diff --git a/packages/frontend/src/components/MkNote.vue b/packages/frontend/src/components/MkNote.vue
index bcf2f35c0f..b8ce7ed830 100644
--- a/packages/frontend/src/components/MkNote.vue
+++ b/packages/frontend/src/components/MkNote.vue
@@ -21,8 +21,8 @@ SPDX-License-Identifier: AGPL-3.0-only
 	</div>
 	<MkNoteSub v-if="appearNote.reply && !renoteCollapsed && !inReplyToCollapsed" :note="appearNote.reply" :class="$style.replyTo"/>
 	<div v-if="pinned" :class="$style.tip"><i class="ti ti-pin"></i> {{ i18n.ts.pinnedNote }}</div>
-	<!--<div v-if="appearNote._prId_" class="tip"><i class="ph-megaphone ph-bold ph-lg"></i> {{ i18n.ts.promotion }}<button class="_textButton hide" @click="readPromo()">{{ i18n.ts.hideThisNote }} <i class="ti ti-x"></i></button></div>-->
-	<!--<div v-if="appearNote._featuredId_" class="tip"><i class="ph-lightning ph-bold ph-lg"></i> {{ i18n.ts.featured }}</div>-->
+	<!--<div v-if="appearNote._prId_" class="tip"><i class="ti ti-speakerphone"></i> {{ i18n.ts.promotion }}<button class="_textButton hide" @click="readPromo()">{{ i18n.ts.hideThisNote }} <i class="ti ti-x"></i></button></div>-->
+	<!--<div v-if="appearNote._featuredId_" class="tip"><i class="ti ti-bolt"></i> {{ i18n.ts.featured }}</div>-->
 	<div v-if="isRenote" :class="$style.renote">
 		<div v-if="note.channel" :class="$style.colorBar" :style="{ background: note.channel.color }"></div>
 		<MkAvatar :class="$style.renoteAvatar" :user="note.user" link preview/>
@@ -42,7 +42,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 			<span v-if="note.visibility !== 'public'" style="margin-left: 0.5em;" :title="i18n.ts._visibility[note.visibility]">
 				<i v-if="note.visibility === 'home'" class="ti ti-home"></i>
 				<i v-else-if="note.visibility === 'followers'" class="ti ti-lock"></i>
-				<i v-else-if="note.visibility === 'specified'" ref="specified" class="ph-envelope ph-bold ph-lg"></i>
+				<i v-else-if="note.visibility === 'specified'" ref="specified" class="ti ti-mail"></i>
 			</span>
 			<span v-if="note.localOnly" style="margin-left: 0.5em;" :title="i18n.ts._visibility['disableFederation']"><i class="ti ti-rocket-off"></i></span>
 			<span v-if="note.channel" style="margin-left: 0.5em;" :title="note.channel.name"><i class="ti ti-device-tv"></i></span>
@@ -132,7 +132,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 					<p v-if="appearNote.renoteCount > 0" :class="$style.footerButtonCount">{{ number(appearNote.renoteCount) }}</p>
 				</button>
 				<button v-else :class="$style.footerButton" class="_button" disabled>
-					<i class="ph-prohibit ph-bold ph-lg"></i>
+					<i class="ti ti-ban"></i>
 				</button>
 				<button
 					v-if="canRenote && !props.mock"
@@ -155,7 +155,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 					<p v-if="(appearNote.reactionAcceptance === 'likeOnly' || defaultStore.state.showReactionsCount) && appearNote.reactionCount > 0" :class="$style.footerButtonCount">{{ number(appearNote.reactionCount) }}</p>
 				</button>
 				<button v-if="defaultStore.state.showClipButtonInNoteFooter" ref="clipButton" :class="$style.footerButton" class="_button" @mousedown="clip()">
-					<i class="ph-paperclip ph-bold ph-lg"></i>
+					<i class="ti ti-paperclip"></i>
 				</button>
 				<button ref="menuButton" :class="$style.footerButton" class="_button" @mousedown="showMenu()">
 					<i class="ti ti-dots"></i>
diff --git a/packages/frontend/src/components/MkNoteDetailed.vue b/packages/frontend/src/components/MkNoteDetailed.vue
index 05d37694c1..3904d33cfe 100644
--- a/packages/frontend/src/components/MkNoteDetailed.vue
+++ b/packages/frontend/src/components/MkNoteDetailed.vue
@@ -38,7 +38,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 			<span v-if="note.visibility !== 'public'" style="margin-left: 0.5em;" :title="i18n.ts._visibility[note.visibility]">
 				<i v-if="note.visibility === 'home'" class="ti ti-home"></i>
 				<i v-else-if="note.visibility === 'followers'" class="ti ti-lock"></i>
-				<i v-else-if="note.visibility === 'specified'" ref="specified" class="ph-envelope ph-bold ph-lg"></i>
+				<i v-else-if="note.visibility === 'specified'" ref="specified" class="ti ti-mail"></i>
 			</span>
 			<span v-if="note.localOnly" style="margin-left: 0.5em;" :title="i18n.ts._visibility['disableFederation']"><i class="ti ti-rocket-off"></i></span>
 		</div>
@@ -56,7 +56,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 						<span v-if="appearNote.visibility !== 'public'" style="margin-left: 0.5em;" :title="i18n.ts._visibility[appearNote.visibility]">
 							<i v-if="appearNote.visibility === 'home'" class="ti ti-home"></i>
 							<i v-else-if="appearNote.visibility === 'followers'" class="ti ti-lock"></i>
-							<i v-else-if="appearNote.visibility === 'specified'" ref="specified" class="ph-envelope ph-bold ph-lg"></i>
+							<i v-else-if="appearNote.visibility === 'specified'" ref="specified" class="ti ti-mail"></i>
 						</span>
 						<span v-if="appearNote.updatedAt" ref="menuVersionsButton" style="margin-left: 0.5em;" title="Edited" @mousedown="menuVersions()"><i class="ph-pencil-simple ph-bold ph-lg"></i></span>
 						<span v-if="appearNote.localOnly" style="margin-left: 0.5em;" :title="i18n.ts._visibility['disableFederation']"><i class="ti ti-rocket-off"></i></span>
@@ -133,7 +133,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 				<p v-if="appearNote.renoteCount > 0" :class="$style.noteFooterButtonCount">{{ number(appearNote.renoteCount) }}</p>
 			</button>
 			<button v-else class="_button" :class="$style.noteFooterButton" disabled>
-				<i class="ph-prohibit ph-bold ph-lg"></i>
+				<i class="ti ti-ban"></i>
 			</button>
 			<button
 				v-if="canRenote"
@@ -155,7 +155,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 				<p v-if="(appearNote.reactionAcceptance === 'likeOnly' || defaultStore.state.showReactionsCount) && appearNote.reactionCount > 0" :class="$style.noteFooterButtonCount">{{ number(appearNote.reactionCount) }}</p>
 			</button>
 			<button v-if="defaultStore.state.showClipButtonInNoteFooter" ref="clipButton" class="_button" :class="$style.noteFooterButton" @mousedown="clip()">
-				<i class="ph-paperclip ph-bold ph-lg"></i>
+				<i class="ti ti-paperclip"></i>
 			</button>
 			<button ref="menuButton" class="_button" :class="$style.noteFooterButton" @mousedown="showMenu()">
 				<i class="ti ti-dots"></i>
diff --git a/packages/frontend/src/components/MkNoteHeader.vue b/packages/frontend/src/components/MkNoteHeader.vue
index 7689a9f9a1..fd5da0d687 100644
--- a/packages/frontend/src/components/MkNoteHeader.vue
+++ b/packages/frontend/src/components/MkNoteHeader.vue
@@ -26,7 +26,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 		<span v-if="note.visibility !== 'public'" style="margin-left: 0.5em;" :title="i18n.ts._visibility[note.visibility]">
 			<i v-if="note.visibility === 'home'" class="ti ti-home"></i>
 			<i v-else-if="note.visibility === 'followers'" class="ti ti-lock"></i>
-			<i v-else-if="note.visibility === 'specified'" ref="specified" class="ph-envelope ph-bold ph-lg"></i>
+			<i v-else-if="note.visibility === 'specified'" ref="specified" class="ti ti-mail"></i>
 		</span>
 		<span v-if="note.updatedAt" ref="menuVersionsButton" style="margin-left: 0.5em; cursor: pointer;" title="Edited" @mousedown="menuVersions()"><i class="ph-pencil-simple ph-bold ph-lg"></i></span>
 		<span v-if="note.localOnly" style="margin-left: 0.5em;" :title="i18n.ts._visibility['disableFederation']"><i class="ti ti-rocket-off"></i></span>
diff --git a/packages/frontend/src/components/MkNoteSub.vue b/packages/frontend/src/components/MkNoteSub.vue
index 66d1e51a6c..410b1735d3 100644
--- a/packages/frontend/src/components/MkNoteSub.vue
+++ b/packages/frontend/src/components/MkNoteSub.vue
@@ -68,7 +68,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 		<MkNoteSub v-for="reply in replies" :key="reply.id" :note="reply" :class="$style.reply" :detail="true" :depth="depth + 1" :expandAllCws="props.expandAllCws" :onDeleteCallback="removeReply"/>
 	</template>
 	<div v-else :class="$style.more">
-		<MkA class="_link" :to="notePage(note)">{{ i18n.ts.continueThread }} <i class="ph-caret-double-right ph-bold ph-lg"></i></MkA>
+		<MkA class="_link" :to="notePage(note)">{{ i18n.ts.continueThread }} <i class="ti ti-chevron-double-right"></i></MkA>
 	</div>
 </div>
 <div v-else :class="$style.muted" @click="muted = false">
diff --git a/packages/frontend/src/components/MkNotification.vue b/packages/frontend/src/components/MkNotification.vue
index cb54765de7..8917c685ca 100644
--- a/packages/frontend/src/components/MkNotification.vue
+++ b/packages/frontend/src/components/MkNotification.vue
@@ -34,13 +34,13 @@ SPDX-License-Identifier: AGPL-3.0-only
 			<i v-else-if="notification.type === 'followRequestAccepted'" class="ti ti-check"></i>
 			<i v-else-if="notification.type === 'renote'" class="ti ti-repeat"></i>
 			<i v-else-if="notification.type === 'reply'" class="ti ti-arrow-back-up"></i>
-			<i v-else-if="notification.type === 'mention'" class="ph-at ph-bold ph-lg"></i>
+			<i v-else-if="notification.type === 'mention'" class="ti ti-at"></i>
 			<i v-else-if="notification.type === 'quote'" class="ti ti-quote"></i>
-			<i v-else-if="notification.type === 'pollEnded'" class="ph-chart-bar-horizontal ph-bold ph-lg"></i>
-			<i v-else-if="notification.type === 'achievementEarned'" class="ph-trophy ph-bold ph-lg"></i>
+			<i v-else-if="notification.type === 'pollEnded'" class="ti ti-chart-arrows"></i>
+			<i v-else-if="notification.type === 'achievementEarned'" class="ti ti-medal"></i>
 			<template v-else-if="notification.type === 'roleAssigned'">
 				<img v-if="notification.role.iconUrl" style="height: 1.3em; vertical-align: -22%;" :src="notification.role.iconUrl" alt=""/>
-				<i v-else class="ph-seal-check ph-bold ph-lg"></i>
+				<i v-else class="ti ti-badges"></i>
 			</template>
 			<i v-else-if="notification.type === 'edited'" class="ph-pencil ph-bold ph-lg"></i>
 			<!-- notification.reaction が null になることはまずないが、ここでoptional chaining使うと一部ブラウザで刺さるので念の為 -->
diff --git a/packages/frontend/src/components/MkPageWindow.vue b/packages/frontend/src/components/MkPageWindow.vue
index 795f82e8a6..aa8bfb4227 100644
--- a/packages/frontend/src/components/MkPageWindow.vue
+++ b/packages/frontend/src/components/MkPageWindow.vue
@@ -117,7 +117,7 @@ const contextmenu = computed(() => ([{
 	text: i18n.ts.showInPage,
 	action: expand,
 }, {
-	icon: 'ph-frame-corners ph-bold ph-lg',
+	icon: 'ti ti-window-maximize',
 	text: i18n.ts.popout,
 	action: popout,
 }, {
diff --git a/packages/frontend/src/components/MkPasswordDialog.vue b/packages/frontend/src/components/MkPasswordDialog.vue
index 3a13326946..3cdf077626 100644
--- a/packages/frontend/src/components/MkPasswordDialog.vue
+++ b/packages/frontend/src/components/MkPasswordDialog.vue
@@ -22,12 +22,12 @@ SPDX-License-Identifier: AGPL-3.0-only
 		<form @submit.prevent="done">
 			<div class="_gaps">
 				<MkInput ref="passwordInput" v-model="password" :placeholder="i18n.ts.password" type="password" autocomplete="current-password webauthn" required :withPasswordToggle="true">
-					<template #prefix><i class="ph-password ph-bold ph-lg"></i></template>
+					<template #prefix><i class="ti ti-password"></i></template>
 				</MkInput>
 
 				<MkInput v-if="$i.twoFactorEnabled" v-model="token" type="text" :pattern="isBackupCode ? '^[A-Z0-9]{32}$' :'^[0-9]{6}$'" autocomplete="one-time-code" required :spellcheck="false" :inputmode="isBackupCode ? undefined : 'numeric'">
 					<template #label>{{ i18n.ts.token }} ({{ i18n.ts['2fa'] }})</template>
-					<template #prefix><i v-if="isBackupCode" class="ph-keyhole ph-bold ph-lg"></i><i v-else class="ph-numpad ph-bold ph-lg"></i></template>
+					<template #prefix><i v-if="isBackupCode" class="ti ti-key"></i><i v-else class="ti ti-123"></i></template>
 					<template #caption><button class="_textButton" type="button" @click="isBackupCode = !isBackupCode">{{ isBackupCode ? i18n.ts.useTotp : i18n.ts.useBackupCode }}</button></template>
 				</MkInput>
 
diff --git a/packages/frontend/src/components/MkPostForm.vue b/packages/frontend/src/components/MkPostForm.vue
index 0f49110cfd..30f8765b0b 100644
--- a/packages/frontend/src/components/MkPostForm.vue
+++ b/packages/frontend/src/components/MkPostForm.vue
@@ -21,10 +21,10 @@ SPDX-License-Identifier: AGPL-3.0-only
 		<div :class="$style.headerRight">
 			<template v-if="!(channel != null && fixed)">
 				<button v-if="channel == null" ref="visibilityButton" v-click-anime v-tooltip="i18n.ts.visibility" :class="['_button', $style.headerRightItem, $style.visibility]" @click="setVisibility">
-					<span v-if="visibility === 'public'"><i class="ph-globe-hemisphere-west ph-bold ph-lg"></i></span>
+					<span v-if="visibility === 'public'"><i class="ti ti-world"></i></span>
 					<span v-if="visibility === 'home'"><i class="ti ti-home"></i></span>
 					<span v-if="visibility === 'followers'"><i class="ti ti-lock"></i></span>
-					<span v-if="visibility === 'specified'"><i class="ph-envelope ph-bold ph-lg"></i></span>
+					<span v-if="visibility === 'specified'"><i class="ti ti-mail"></i></span>
 					<span :class="$style.headerRightButtonText">{{ i18n.ts._visibility[visibility] }}</span>
 				</button>
 				<button v-else class="_button" :class="[$style.headerRightItem, $style.visibility]" disabled>
@@ -80,13 +80,13 @@ SPDX-License-Identifier: AGPL-3.0-only
 	<footer :class="$style.footer">
 		<div :class="$style.footerLeft">
 			<button v-tooltip="i18n.ts.attachFile" class="_button" :class="$style.footerButton" @click="chooseFileFrom"><i class="ph-image-square ph-bold ph-lg-plus"></i></button>
-			<button v-tooltip="i18n.ts.poll" class="_button" :class="[$style.footerButton, { [$style.footerButtonActive]: poll }]" @click="togglePoll"><i class="ph-chart-bar-horizontal ph-bold ph-lg"></i></button>
+			<button v-tooltip="i18n.ts.poll" class="_button" :class="[$style.footerButton, { [$style.footerButtonActive]: poll }]" @click="togglePoll"><i class="ti ti-chart-arrows"></i></button>
 			<button v-tooltip="i18n.ts.useCw" class="_button" :class="[$style.footerButton, { [$style.footerButtonActive]: useCw }]" @click="useCw = !useCw"><i class="ti ti-eye-off"></i></button>
-			<button v-tooltip="i18n.ts.mention" class="_button" :class="$style.footerButton" @click="insertMention"><i class="ph-at ph-bold ph-lg"></i></button>
+			<button v-tooltip="i18n.ts.mention" class="_button" :class="$style.footerButton" @click="insertMention"><i class="ti ti-at"></i></button>
 			<button v-tooltip="i18n.ts.hashtags" class="_button" :class="[$style.footerButton, { [$style.footerButtonActive]: withHashtags }]" @click="withHashtags = !withHashtags"><i class="ti ti-hash"></i></button>
-			<button v-if="postFormActions.length > 0" v-tooltip="i18n.ts.plugins" class="_button" :class="$style.footerButton" @click="showActions"><i class="ph-plug ph-bold ph-lg"></i></button>
+			<button v-if="postFormActions.length > 0" v-tooltip="i18n.ts.plugins" class="_button" :class="$style.footerButton" @click="showActions"><i class="ti ti-plug"></i></button>
 			<button v-tooltip="i18n.ts.emoji" :class="['_button', $style.footerButton]" @click="insertEmoji"><i class="ti ti-mood-happy"></i></button>
-			<button v-if="showAddMfmFunction" v-tooltip="i18n.ts.addMfmFunction" :class="['_button', $style.footerButton]" @click="insertMfmFunction"><i class="ph-palette ph-bold ph-lg"></i></button>
+			<button v-if="showAddMfmFunction" v-tooltip="i18n.ts.addMfmFunction" :class="['_button', $style.footerButton]" @click="insertMfmFunction"><i class="ti ti-palette"></i></button>
 		</div>
 		<div :class="$style.footerRight">
 			<button v-tooltip="i18n.ts.previewNoteText" class="_button" :class="[$style.footerButton, { [$style.previewButtonActive]: showPreview }]" @click="showPreview = !showPreview"><i class="ti ti-eye"></i></button>
diff --git a/packages/frontend/src/components/MkPostFormAttaches.vue b/packages/frontend/src/components/MkPostFormAttaches.vue
index 3a38dc40c6..a979cbc59f 100644
--- a/packages/frontend/src/components/MkPostFormAttaches.vue
+++ b/packages/frontend/src/components/MkPostFormAttaches.vue
@@ -145,11 +145,11 @@ function showFileMenu(file: Misskey.entities.DriveFile, ev: MouseEvent): void {
 		action: () => { toggleSensitive(file); },
 	}, {
 		text: i18n.ts.describeFile,
-		icon: 'ph-text-indent ph-bold ph-lg',
+		icon: 'ti ti-text-caption',
 		action: () => { describe(file); },
 	}, ...isImage ? [{
 		text: i18n.ts.cropImage,
-		icon: 'ph-crop ph-bold ph-lg',
+		icon: 'ti ti-crop',
 		action: () : void => { crop(file); },
 	}] : [], {
 		type: 'divider',
diff --git a/packages/frontend/src/components/MkRolePreview.vue b/packages/frontend/src/components/MkRolePreview.vue
index 603c531aa5..c1b922198f 100644
--- a/packages/frontend/src/components/MkRolePreview.vue
+++ b/packages/frontend/src/components/MkRolePreview.vue
@@ -11,9 +11,9 @@ SPDX-License-Identifier: AGPL-3.0-only
 				<img :class="$style.badge" :src="role.iconUrl"/>
 			</template>
 			<template v-else>
-				<i v-if="role.isAdministrator" class="ph-crown ph-bold ph-lg" style="color: var(--accent);"></i>
+				<i v-if="role.isAdministrator" class="ti ti-crown" style="color: var(--accent);"></i>
 				<i v-else-if="role.isModerator" class="ti ti-shield" style="color: var(--accent);"></i>
-				<i v-else class="ph-user ph-bold ph-lg" style="opacity: 0.7;"></i>
+				<i v-else class="ti ti-user" style="opacity: 0.7;"></i>
 			</template>
 		</span>
 		<span :class="$style.name">{{ role.name }}</span>
diff --git a/packages/frontend/src/components/MkSignin.vue b/packages/frontend/src/components/MkSignin.vue
index 95eb53e52d..a46a35c45c 100644
--- a/packages/frontend/src/components/MkSignin.vue
+++ b/packages/frontend/src/components/MkSignin.vue
@@ -38,7 +38,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 				</MkInput>
 				<MkInput v-model="token" type="text" :pattern="isBackupCode ? '^[A-Z0-9]{32}$' :'^[0-9]{6}$'" autocomplete="one-time-code" required :spellcheck="false" :inputmode="isBackupCode ? undefined : 'numeric'">
 					<template #label>{{ i18n.ts.token }} ({{ i18n.ts['2fa'] }})</template>
-					<template #prefix><i v-if="isBackupCode" class="ph-keyhole ph-bold ph-lg"></i><i v-else class="ph-numpad ph-bold ph-lg"></i></template>
+					<template #prefix><i v-if="isBackupCode" class="ti ti-key"></i><i v-else class="ti ti-123"></i></template>
 					<template #caption><button class="_textButton" type="button" @click="isBackupCode = !isBackupCode">{{ isBackupCode ? i18n.ts.useTotp : i18n.ts.useBackupCode }}</button></template>
 				</MkInput>
 				<MkButton type="submit" :disabled="signing" large primary rounded style="margin: 0 auto;">{{ signing ? i18n.ts.loggingIn : i18n.ts.login }}</MkButton>
diff --git a/packages/frontend/src/components/MkSignupDialog.form.vue b/packages/frontend/src/components/MkSignupDialog.form.vue
index bd5fd979a5..e673b6d530 100644
--- a/packages/frontend/src/components/MkSignupDialog.form.vue
+++ b/packages/frontend/src/components/MkSignupDialog.form.vue
@@ -6,7 +6,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 <template>
 <div>
 	<div :class="$style.banner">
-		<i class="ph-user-list ph-bold ph-lg"></i>
+		<i class="ti ti-user-edit"></i>
 	</div>
 	<MkSpacer :marginMin="20" :marginMax="32">
 		<form class="_gaps_m" autocomplete="new-password" @submit.prevent="onSubmit">
@@ -31,7 +31,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 			</MkInput>
 			<MkInput v-if="instance.emailRequiredForSignup" v-model="email" :debounce="true" type="email" :spellcheck="false" required data-cy-signup-email @update:modelValue="onChangeEmail">
 				<template #label>{{ i18n.ts.emailAddress }} <div v-tooltip:dialog="i18n.ts._signup.emailAddressInfo" class="_button _help"><i class="ti ti-help-circle"></i></div></template>
-				<template #prefix><i class="ph-envelope ph-bold ph-lg"></i></template>
+				<template #prefix><i class="ti ti-mail"></i></template>
 				<template #caption>
 					<span v-if="emailState === 'wait'" style="color:#999"><MkLoading :em="true"/> {{ i18n.ts.checking }}</span>
 					<span v-else-if="emailState === 'ok'" style="color: var(--success)"><i class="ti ti-check ti-fw"></i> {{ i18n.ts.available }}</span>
diff --git a/packages/frontend/src/components/MkTutorialDialog.PostNote.vue b/packages/frontend/src/components/MkTutorialDialog.PostNote.vue
index 25d0ba7173..44566b1d9b 100644
--- a/packages/frontend/src/components/MkTutorialDialog.PostNote.vue
+++ b/packages/frontend/src/components/MkTutorialDialog.PostNote.vue
@@ -11,11 +11,11 @@ SPDX-License-Identifier: AGPL-3.0-only
 		<template #label>{{ i18n.ts.visibility }}</template>
 		<div class="_gaps">
 			<div>{{ i18n.ts._initialTutorial._postNote._visibility.description }}</div>
-			<div><i class="ph-globe-hemisphere-west ph-bold ph-lg"></i> <b>{{ i18n.ts._visibility.public }}</b> … {{ i18n.ts._initialTutorial._postNote._visibility.public }}</div>
+			<div><i class="ti ti-world"></i> <b>{{ i18n.ts._visibility.public }}</b> … {{ i18n.ts._initialTutorial._postNote._visibility.public }}</div>
 			<div><i class="ti ti-home"></i> <b>{{ i18n.ts._visibility.home }}</b> … {{ i18n.ts._initialTutorial._postNote._visibility.home }}</div>
 			<div><i class="ti ti-lock"></i> <b>{{ i18n.ts._visibility.followers }}</b> … {{ i18n.ts._initialTutorial._postNote._visibility.followers }}</div>
 			<div class="_gaps_s">
-				<div><i class="ph-envelope ph-bold ph-lg"></i> <b>{{ i18n.ts._visibility.specified }}</b> … {{ i18n.ts._initialTutorial._postNote._visibility.direct }}</div>
+				<div><i class="ti ti-mail"></i> <b>{{ i18n.ts._visibility.specified }}</b> … {{ i18n.ts._initialTutorial._postNote._visibility.direct }}</div>
 				<MkInfo :warn="true">
 					<b>{{ i18n.ts._initialTutorial._postNote._visibility.doNotSendConfidencialOnDirect1 }}</b> {{ i18n.ts._initialTutorial._postNote._visibility.doNotSendConfidencialOnDirect2 }}
 				</MkInfo>
diff --git a/packages/frontend/src/components/MkTutorialDialog.Timeline.vue b/packages/frontend/src/components/MkTutorialDialog.Timeline.vue
index 25f367da74..11992e00db 100644
--- a/packages/frontend/src/components/MkTutorialDialog.Timeline.vue
+++ b/packages/frontend/src/components/MkTutorialDialog.Timeline.vue
@@ -10,7 +10,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 		<div><i class="ti ti-home"></i> <b>{{ i18n.ts._timelines.home }}</b> … {{ i18n.ts._initialTutorial._timeline.home }}</div>
 		<div><i class="ti ti-planet"></i> <b>{{ i18n.ts._timelines.local }}</b> … {{ i18n.ts._initialTutorial._timeline.local }}</div>
 		<div><i class="ph-rocket-launch ph-bold ph-lg"></i> <b>{{ i18n.ts._timelines.social }}</b> … {{ i18n.ts._initialTutorial._timeline.social }}</div>
-		<div><i class="ph-globe-hemisphere-west ph-bold ph-lg"></i> <b>{{ i18n.ts._timelines.global }}</b> … {{ i18n.ts._initialTutorial._timeline.global }}</div>
+		<div><i class="ti ti-world"></i> <b>{{ i18n.ts._timelines.global }}</b> … {{ i18n.ts._initialTutorial._timeline.global }}</div>
 	</div>
 	<div class="_gaps_s">
 		<div>{{ i18n.ts._initialTutorial._timeline.description2 }}</div>
diff --git a/packages/frontend/src/components/MkUrlPreview.vue b/packages/frontend/src/components/MkUrlPreview.vue
index 09d2c8bac4..1c9ba35637 100644
--- a/packages/frontend/src/components/MkUrlPreview.vue
+++ b/packages/frontend/src/components/MkUrlPreview.vue
@@ -67,7 +67,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 	<template v-if="showActions">
 		<div v-if="tweetId" :class="$style.action">
 			<MkButton :small="true" inline @click="tweetExpanded = true">
-				<i class="ph-twitter-logo ph-bold ph-lg"></i> {{ i18n.ts.expandTweet }}
+				<i class="ti ti-brand-x"></i> {{ i18n.ts.expandTweet }}
 			</MkButton>
 		</div>
 		<div v-if="!playerEnabled && player.url" :class="$style.action">
@@ -75,7 +75,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 				<i class="ti ti-player-play"></i> {{ i18n.ts.enablePlayer }}
 			</MkButton>
 			<MkButton v-if="!isMobile" :small="true" inline @click="openPlayer()">
-				<i class="ph-picture-in-picture ph-bold ph-lg"></i> {{ i18n.ts.openInWindow }}
+				<i class="ti ti-picture-in-picture"></i> {{ i18n.ts.openInWindow }}
 			</MkButton>
 		</div>
 	</template>
diff --git a/packages/frontend/src/components/MkUserSetupDialog.vue b/packages/frontend/src/components/MkUserSetupDialog.vue
index bd446be96b..1d376382ca 100644
--- a/packages/frontend/src/components/MkUserSetupDialog.vue
+++ b/packages/frontend/src/components/MkUserSetupDialog.vue
@@ -12,10 +12,10 @@ SPDX-License-Identifier: AGPL-3.0-only
 	@close="close(true)"
 	@closed="emit('closed')"
 >
-	<template v-if="page === 1" #header><i class="ph-user-list ph-bold ph-lg"></i> {{ i18n.ts._initialAccountSetting.profileSetting }}</template>
+	<template v-if="page === 1" #header><i class="ti ti-user-edit"></i> {{ i18n.ts._initialAccountSetting.profileSetting }}</template>
 	<template v-else-if="page === 2" #header><i class="ti ti-lock"></i> {{ i18n.ts._initialAccountSetting.privacySetting }}</template>
-	<template v-else-if="page === 3" #header><i class="ph-user-plus ph-bold ph-lg"></i> {{ i18n.ts.follow }}</template>
-	<template v-else-if="page === 4" #header><i class="ph-bell-ringing ph-bold ph-lg"></i> {{ i18n.ts.pushNotification }}</template>
+	<template v-else-if="page === 3" #header><i class="ti ti-user-plus"></i> {{ i18n.ts.follow }}</template>
+	<template v-else-if="page === 4" #header><i class="ti ti-bell-plus"></i> {{ i18n.ts.pushNotification }}</template>
 	<template v-else-if="page === 5" #header>{{ i18n.ts.done }}</template>
 	<template v-else #header>{{ i18n.ts.initialAccountSetting }}</template>
 
@@ -91,7 +91,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 				<div :class="$style.centerPage">
 					<MkSpacer :marginMin="20" :marginMax="28">
 						<div class="_gaps" style="text-align: center;">
-							<i class="ph-bell-ringing ph-bold ph-lg" style="display: block; margin: auto; font-size: 3em; color: var(--accent);"></i>
+							<i class="ti ti-bell-ringing-2" style="display: block; margin: auto; font-size: 3em; color: var(--accent);"></i>
 							<div style="font-size: 120%;">{{ i18n.ts.pushNotification }}</div>
 							<div style="padding: 0 16px;">{{ i18n.tsx._initialAccountSetting.pushNotificationDescription({ name: instance.name ?? host }) }}</div>
 							<MkPushNotificationAllowButton primary showOnlyToRegister style="margin: 0 auto;"/>
diff --git a/packages/frontend/src/components/MkVisibilityPicker.vue b/packages/frontend/src/components/MkVisibilityPicker.vue
index a2865e32fb..e0aec8b2f3 100644
--- a/packages/frontend/src/components/MkVisibilityPicker.vue
+++ b/packages/frontend/src/components/MkVisibilityPicker.vue
@@ -10,7 +10,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 			{{ i18n.ts.visibility }}
 		</div>
 		<button key="public" :disabled="isSilenced || isReplyVisibilitySpecified" class="_button" :class="[$style.item, { [$style.active]: v === 'public' }]" data-index="1" @click="choose('public')">
-			<div :class="$style.icon"><i class="ph-globe-hemisphere-west ph-bold ph-lg"></i></div>
+			<div :class="$style.icon"><i class="ti ti-world"></i></div>
 			<div :class="$style.body">
 				<span :class="$style.itemTitle">{{ i18n.ts._visibility.public }}</span>
 				<span :class="$style.itemDescription">{{ i18n.ts._visibility.publicDescription }}</span>
@@ -31,7 +31,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 			</div>
 		</button>
 		<button key="specified" :disabled="localOnly" class="_button" :class="[$style.item, { [$style.active]: v === 'specified' }]" data-index="4" @click="choose('specified')">
-			<div :class="$style.icon"><i class="ph-envelope ph-bold ph-lg"></i></div>
+			<div :class="$style.icon"><i class="ti ti-mail"></i></div>
 			<div :class="$style.body">
 				<span :class="$style.itemTitle">{{ i18n.ts._visibility.specified }}</span>
 				<span :class="$style.itemDescription">{{ i18n.ts._visibility.specifiedDescription }}</span>
diff --git a/packages/frontend/src/components/MkWindow.vue b/packages/frontend/src/components/MkWindow.vue
index 80648cdd67..303e49de00 100644
--- a/packages/frontend/src/components/MkWindow.vue
+++ b/packages/frontend/src/components/MkWindow.vue
@@ -27,10 +27,10 @@ SPDX-License-Identifier: AGPL-3.0-only
 					<template v-if="!minimized">
 						<button v-for="button in buttonsRight" v-tooltip="button.title" class="_button" :class="[$style.headerButton, { [$style.highlighted]: button.highlighted }]" @click="button.onClick"><i :class="button.icon"></i></button>
 					</template>
-					<button v-if="canResize && minimized" v-tooltip="i18n.ts.windowRestore" class="_button" :class="$style.headerButton" @click="unMinimize()"><i class="ph-frame-corners ph-bold ph-lg"></i></button>
-					<button v-else-if="canResize && !maximized" v-tooltip="i18n.ts.windowMinimize" class="_button" :class="$style.headerButton" @click="minimize()"><i class="ph-arrows-in-simple ph-bold ph-lg"></i></button>
-					<button v-if="canResize && maximized" v-tooltip="i18n.ts.windowRestore" class="_button" :class="$style.headerButton" @click="unMaximize()"><i class="ph-picture-in-picture ph-bold ph-lg"></i></button>
-					<button v-else-if="canResize && !maximized && !minimized" v-tooltip="i18n.ts.windowMaximize" class="_button" :class="$style.headerButton" @click="maximize()"><i class="ph-frame-corners ph-bold ph-lg"></i></button>
+					<button v-if="canResize && minimized" v-tooltip="i18n.ts.windowRestore" class="_button" :class="$style.headerButton" @click="unMinimize()"><i class="ti ti-maximize"></i></button>
+					<button v-else-if="canResize && !maximized" v-tooltip="i18n.ts.windowMinimize" class="_button" :class="$style.headerButton" @click="minimize()"><i class="ti ti-minimize"></i></button>
+					<button v-if="canResize && maximized" v-tooltip="i18n.ts.windowRestore" class="_button" :class="$style.headerButton" @click="unMaximize()"><i class="ti ti-picture-in-picture"></i></button>
+					<button v-else-if="canResize && !maximized && !minimized" v-tooltip="i18n.ts.windowMaximize" class="_button" :class="$style.headerButton" @click="maximize()"><i class="ti ti-rectangle"></i></button>
 					<button v-if="closeButton" v-tooltip="i18n.ts.close" class="_button" :class="$style.headerButton" @click="close()"><i class="ti ti-x"></i></button>
 				</span>
 			</div>
diff --git a/packages/frontend/src/components/MkYouTubePlayer.vue b/packages/frontend/src/components/MkYouTubePlayer.vue
index 3ad2a95bc3..1fad222fc5 100644
--- a/packages/frontend/src/components/MkYouTubePlayer.vue
+++ b/packages/frontend/src/components/MkYouTubePlayer.vue
@@ -6,7 +6,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 <template>
 <MkWindow :initialWidth="640" :initialHeight="402" :canResize="true" :closeButton="true">
 	<template #header>
-		<i class="icon ph-youtube-logo ph-bold ph-lg" style="margin-right: 0.5em;"></i>
+		<i class="icon ti ti-brand-youtube" style="margin-right: 0.5em;"></i>
 		<span>{{ title ?? 'YouTube' }}</span>
 	</template>
 
diff --git a/packages/frontend/src/components/global/MkPageHeader.stories.impl.ts b/packages/frontend/src/components/global/MkPageHeader.stories.impl.ts
index 22af9c1586..1d079edd2c 100644
--- a/packages/frontend/src/components/global/MkPageHeader.stories.impl.ts
+++ b/packages/frontend/src/components/global/MkPageHeader.stories.impl.ts
@@ -86,17 +86,17 @@ export const SomeTabs = {
 			{
 				key: 'princess',
 				title: 'Princess',
-				icon: 'ph-crown ph-bold ph-lg',
+				icon: 'ti ti-crown',
 			},
 			{
 				key: 'fairy',
 				title: 'Fairy',
-				icon: 'ph-snowflake ph-bold ph-lg',
+				icon: 'ti ti-snowflake',
 			},
 			{
 				key: 'angel',
 				title: 'Angel',
-				icon: 'ph-feather ph-bold ph-lg',
+				icon: 'ti ti-feather',
 			},
 		],
 	},
diff --git a/packages/frontend/src/components/page/page.dynamic.vue b/packages/frontend/src/components/page/page.dynamic.vue
index 7f80f0c455..8c511a690d 100644
--- a/packages/frontend/src/components/page/page.dynamic.vue
+++ b/packages/frontend/src/components/page/page.dynamic.vue
@@ -6,7 +6,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 <!-- 動的ページのブロックの代替。利用できないということを表示する -->
 <template>
 <div :class="$style.root">
-	<div :class="$style.heading"><i class="ph ph-dice-5 ph-bold ph-lg"></i> {{ i18n.ts._pages.blocks.dynamic }}</div>
+	<div :class="$style.heading"><i class="ti ti-dice-5"></i> {{ i18n.ts._pages.blocks.dynamic }}</div>
 	<I18n :src="i18n.ts._pages.blocks.dynamicDescription" tag="div" :class="$style.text">
 		<template #play>
 			<MkA to="/play" class="_link">Play</MkA>
diff --git a/packages/frontend/src/navbar.ts b/packages/frontend/src/navbar.ts
index 621a5fc323..69314b563f 100644
--- a/packages/frontend/src/navbar.ts
+++ b/packages/frontend/src/navbar.ts
@@ -40,7 +40,7 @@ export const navbarItemDef = reactive({
 	},
 	followRequests: {
 		title: i18n.ts.followRequests,
-		icon: 'ph-user-plus ph-bold ph-lg',
+		icon: 'ti ti-user-plus',
 		show: computed(() => $i != null && $i.isLocked),
 		indicated: computed(() => $i != null && $i.hasPendingReceivedFollowRequest),
 		to: '/my/follow-requests',
@@ -52,7 +52,7 @@ export const navbarItemDef = reactive({
 	},
 	announcements: {
 		title: i18n.ts.announcements,
-		icon: 'ph-megaphone ph-bold ph-lg',
+		icon: 'ti ti-speakerphone',
 		indicated: computed(() => $i != null && $i.hasUnreadAnnouncement),
 		to: '/announcements',
 	},
@@ -63,20 +63,20 @@ export const navbarItemDef = reactive({
 	},
 	lookup: {
 		title: i18n.ts.lookup,
-		icon: 'ph-binoculars ph-bold ph-lg',
+		icon: 'ti ti-world-search',
 		action: (ev) => {
 			lookup();
 		},
 	},
 	lists: {
 		title: i18n.ts.lists,
-		icon: 'ph-list ph-bold ph-lg',
+		icon: 'ti ti-list',
 		show: computed(() => $i != null),
 		to: '/my/lists',
 	},
 	antennas: {
 		title: i18n.ts.antennas,
-		icon: 'ph-flying-saucer ph-bold ph-lg',
+		icon: 'ti ti-antenna',
 		show: computed(() => $i != null),
 		to: '/my/antennas',
 	},
@@ -88,7 +88,7 @@ export const navbarItemDef = reactive({
 	},
 	pages: {
 		title: i18n.ts.pages,
-		icon: 'ph-newspaper ph-bold ph-lg',
+		icon: 'ti ti-news',
 		to: '/pages',
 	},
 	play: {
@@ -103,7 +103,7 @@ export const navbarItemDef = reactive({
 	},
 	clips: {
 		title: i18n.ts.clip,
-		icon: 'ph-paperclip ph-bold ph-lg',
+		icon: 'ti ti-paperclip',
 		show: computed(() => $i != null),
 		to: '/my/clips',
 	},
@@ -114,18 +114,18 @@ export const navbarItemDef = reactive({
 	},
 	achievements: {
 		title: i18n.ts.achievements,
-		icon: 'ph-trophy ph-bold ph-lg',
+		icon: 'ti ti-medal',
 		show: computed(() => $i != null && instance.enableAchievements),
 		to: '/my/achievements',
 	},
 	games: {
 		title: 'Games',
-		icon: 'ph-game-controller ph-bold ph-lg',
+		icon: 'ti ti-device-gamepad',
 		to: '/games',
 	},
 	ui: {
 		title: i18n.ts.switchUi,
-		icon: 'ph-devices ph-bold ph-lg',
+		icon: 'ti ti-devices',
 		action: (ev) => {
 			os.popupMenu([{
 				text: i18n.ts.default,
@@ -167,7 +167,7 @@ export const navbarItemDef = reactive({
 	},
 	profile: {
 		title: i18n.ts.profile,
-		icon: 'ph-user ph-bold ph-lg',
+		icon: 'ti ti-user',
 		show: computed(() => $i != null),
 		to: `/@${$i?.username}`,
 	},
diff --git a/packages/frontend/src/pages/about.vue b/packages/frontend/src/pages/about.vue
index 921405c607..4fc1c2570a 100644
--- a/packages/frontend/src/pages/about.vue
+++ b/packages/frontend/src/pages/about.vue
@@ -58,13 +58,13 @@ SPDX-License-Identifier: AGPL-3.0-only
 							</MkKeyValue>
 						</FormSplit>
 						<FormLink v-if="instance.impressumUrl" :to="instance.impressumUrl" external>
-							<template #icon><i class="ph-newspaper-clipping ph-bold ph-lg"></i></template>
+							<template #icon><i class="ti ti-user-shield"></i></template>
 							{{ i18n.ts.impressum }}
 						</FormLink>
 						<div class="_gaps_s">
 							<MkFolder v-if="instance.serverRules.length > 0">
 								<template #label>
-									<i class="ph-list-checks ph-bold ph-lg"></i>
+									<i class="ti ti-checkup-list"></i>
 									{{ i18n.ts.serverRules }}
 								</template>
 
@@ -73,7 +73,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 								</ol>
 							</MkFolder>
 							<FormLink v-if="instance.tosUrl" :to="instance.tosUrl" external>
-								<template #icon><i class="ph-notebook ph-bold ph-lg"></i></template>
+								<template #icon><i class="ti ti-license"></i></template>
 								{{ i18n.ts.termsOfService }}
 							</FormLink>
 							<FormLink v-if="instance.privacyPolicyUrl" :to="instance.privacyPolicyUrl" external>
@@ -81,7 +81,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 								{{ i18n.ts.privacyPolicy }}
 							</FormLink>
 							<FormLink v-if="instance.feedbackUrl" :to="instance.feedbackUrl" external>
-								<template #icon><i class="ph-envelope ph-bold ph-lg"></i></template>
+								<template #icon><i class="ti ti-message"></i></template>
 								{{ i18n.ts.feedback }}
 							</FormLink>
 						</div>
diff --git a/packages/frontend/src/pages/achievements.vue b/packages/frontend/src/pages/achievements.vue
index 4e496c3c6c..77ab473ea2 100644
--- a/packages/frontend/src/pages/achievements.vue
+++ b/packages/frontend/src/pages/achievements.vue
@@ -50,7 +50,7 @@ onDeactivated(() => {
 
 definePageMetadata(() => ({
 	title: i18n.ts.achievements,
-	icon: 'ph-trophy ph-bold ph-lg',
+	icon: 'ti ti-medal',
 }));
 </script>
 
diff --git a/packages/frontend/src/pages/admin-file.vue b/packages/frontend/src/pages/admin-file.vue
index dca7ded646..d8311186ab 100644
--- a/packages/frontend/src/pages/admin-file.vue
+++ b/packages/frontend/src/pages/admin-file.vue
@@ -133,7 +133,7 @@ const headerTabs = computed(() => [{
 }, iAmModerator ? {
 	key: 'ip',
 	title: 'IP',
-	icon: 'ph-password ph-bold ph-lg',
+	icon: 'ti ti-password',
 } : null, {
 	key: 'raw',
 	title: 'Raw data',
diff --git a/packages/frontend/src/pages/admin-user.vue b/packages/frontend/src/pages/admin-user.vue
index 25f2096d07..7cc2c28dd7 100644
--- a/packages/frontend/src/pages/admin-user.vue
+++ b/packages/frontend/src/pages/admin-user.vue
@@ -97,7 +97,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 						</MkFolder>
 
 						<MkFolder>
-							<template #icon><i class="ph-password ph-bold ph-lg"></i></template>
+							<template #icon><i class="ti ti-password"></i></template>
 							<template #label>IP</template>
 							<MkInfo v-if="!iAmAdmin" warn>{{ i18n.ts.requireAdminForView }}</MkInfo>
 							<MkInfo v-else>The date is the IP address was first acknowledged.</MkInfo>
@@ -110,7 +110,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 						</MkFolder>
 
 						<div>
-							<MkButton v-if="iAmModerator" inline danger style="margin-right: 8px;" @click="unsetUserAvatar"><i class="ph-user-circle ph-bold ph-lg"></i> {{ i18n.ts.unsetUserAvatar }}</MkButton>
+							<MkButton v-if="iAmModerator" inline danger style="margin-right: 8px;" @click="unsetUserAvatar"><i class="ti ti-user-circle"></i> {{ i18n.ts.unsetUserAvatar }}</MkButton>
 							<MkButton v-if="iAmModerator" inline danger style="margin-right: 8px;" @click="unsetUserBanner"><i class="ti ti-photo"></i> {{ i18n.ts.unsetUserBanner }}</MkButton>
 							<MkButton v-if="iAmModerator" inline danger @click="deleteAllFiles"><i class="ph-cloud ph-bold ph-lg"></i> {{ i18n.ts.deleteAllFiles }}</MkButton>
 						</div>
@@ -127,7 +127,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 						<MkRolePreview :class="$style.role" :role="role" :forModeration="true"/>
 						<button class="_button" @click="toggleRoleItem(role)"><i class="ti ti-chevron-down"></i></button>
 						<button v-if="role.target === 'manual'" class="_button" :class="$style.roleUnassign" @click="unassignRole(role, $event)"><i class="ti ti-x"></i></button>
-						<button v-else class="_button" :class="$style.roleUnassign" disabled><i class="ph-prohibit ph-bold ph-lg"></i></button>
+						<button v-else class="_button" :class="$style.roleUnassign" disabled><i class="ti ti-ban"></i></button>
 					</div>
 					<div v-if="expandedRoles.includes(role.id)" :class="$style.roleItemSub">
 						<div>Assigned: <MkTime :time="info.roleAssigns.find(a => a.roleId === role.id).createdAt" mode="detail"/></div>
@@ -517,11 +517,11 @@ const headerTabs = computed(() => [{
 }, {
 	key: 'roles',
 	title: i18n.ts.roles,
-	icon: 'ph-seal-check ph-bold ph-lg',
+	icon: 'ti ti-badges',
 }, {
 	key: 'announcements',
 	title: i18n.ts.announcements,
-	icon: 'ph-megaphone ph-bold ph-lg',
+	icon: 'ti ti-speakerphone',
 }, {
 	key: 'drive',
 	title: i18n.ts.drive,
diff --git a/packages/frontend/src/pages/admin/RolesEditorFormula.vue b/packages/frontend/src/pages/admin/RolesEditorFormula.vue
index 9bcdd3b7b6..f001a4ac20 100644
--- a/packages/frontend/src/pages/admin/RolesEditorFormula.vue
+++ b/packages/frontend/src/pages/admin/RolesEditorFormula.vue
@@ -28,7 +28,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 			<option value="not">{{ i18n.ts._role._condition.not }}</option>
 		</MkSelect>
 		<button v-if="draggable" class="drag-handle _button" :class="$style.dragHandle">
-			<i class="ph-list ph-bold ph-lg-2"></i>
+			<i class="ti ti-menu-2"></i>
 		</button>
 		<button v-if="draggable" class="_button" :class="$style.remove" @click="removeSelf">
 			<i class="ti ti-x"></i>
diff --git a/packages/frontend/src/pages/admin/ads.vue b/packages/frontend/src/pages/admin/ads.vue
index 8026798221..bd442ccc69 100644
--- a/packages/frontend/src/pages/admin/ads.vue
+++ b/packages/frontend/src/pages/admin/ads.vue
@@ -257,7 +257,7 @@ const headerTabs = computed(() => []);
 
 definePageMetadata(() => ({
 	title: i18n.ts.ads,
-	icon: 'ph-flag ph-bold ph-lg',
+	icon: 'ti ti-ad',
 }));
 </script>
 
diff --git a/packages/frontend/src/pages/admin/announcements.vue b/packages/frontend/src/pages/admin/announcements.vue
index 00392ad2d3..e7fb62ec1d 100644
--- a/packages/frontend/src/pages/admin/announcements.vue
+++ b/packages/frontend/src/pages/admin/announcements.vue
@@ -159,6 +159,6 @@ const headerTabs = computed(() => []);
 
 definePageMetadata(() => ({
 	title: i18n.ts.announcements,
-	icon: 'ph-megaphone ph-bold ph-lg',
+	icon: 'ti ti-speakerphone',
 }));
 </script>
diff --git a/packages/frontend/src/pages/admin/branding.vue b/packages/frontend/src/pages/admin/branding.vue
index e8b34fa41a..2e14aef0b9 100644
--- a/packages/frontend/src/pages/admin/branding.vue
+++ b/packages/frontend/src/pages/admin/branding.vue
@@ -200,7 +200,7 @@ const headerTabs = computed(() => []);
 
 definePageMetadata(() => ({
 	title: i18n.ts.branding,
-	icon: 'ph-paint-roller ph-bold ph-lg',
+	icon: 'ti ti-paint',
 }));
 </script>
 
diff --git a/packages/frontend/src/pages/admin/database.vue b/packages/frontend/src/pages/admin/database.vue
index a64e07b4c7..e092efd92c 100644
--- a/packages/frontend/src/pages/admin/database.vue
+++ b/packages/frontend/src/pages/admin/database.vue
@@ -35,6 +35,6 @@ const headerTabs = computed(() => []);
 
 definePageMetadata(() => ({
 	title: i18n.ts.database,
-	icon: 'ph-database ph-bold ph-lg',
+	icon: 'ti ti-database',
 }));
 </script>
diff --git a/packages/frontend/src/pages/admin/email-settings.vue b/packages/frontend/src/pages/admin/email-settings.vue
index ced0c8290c..4a858887f3 100644
--- a/packages/frontend/src/pages/admin/email-settings.vue
+++ b/packages/frontend/src/pages/admin/email-settings.vue
@@ -132,7 +132,7 @@ const headerTabs = computed(() => []);
 
 definePageMetadata(() => ({
 	title: i18n.ts.emailServer,
-	icon: 'ph-envelope ph-bold ph-lg',
+	icon: 'ti ti-mail',
 }));
 </script>
 
diff --git a/packages/frontend/src/pages/admin/index.vue b/packages/frontend/src/pages/admin/index.vue
index 4402af7e3e..098e845dab 100644
--- a/packages/frontend/src/pages/admin/index.vue
+++ b/packages/frontend/src/pages/admin/index.vue
@@ -100,7 +100,7 @@ const menuDef = computed(() => [{
 		action: adminLookup,
 	}, ...(instance.disableRegistration ? [{
 		type: 'button',
-		icon: 'ph-user-plus ph-bold ph-lg',
+		icon: 'ti ti-user-plus',
 		text: i18n.ts.createInviteCode,
 		action: invite,
 	}] : [])],
@@ -117,7 +117,7 @@ const menuDef = computed(() => [{
 		to: '/admin/users',
 		active: currentPage.value?.route.name === 'users',
 	}, {
-		icon: 'ph-user-plus ph-bold ph-lg',
+		icon: 'ti ti-user-plus',
 		text: i18n.ts.invite,
 		to: '/admin/invites',
 		active: currentPage.value?.route.name === 'invites',
@@ -127,7 +127,7 @@ const menuDef = computed(() => [{
 		to: '/admin/approvals',
 		active: currentPage.value?.route.name === 'approvals',
 	}, {
-		icon: 'ph-seal-check ph-bold ph-lg',
+		icon: 'ti ti-badges',
 		text: i18n.ts.roles,
 		to: '/admin/roles',
 		active: currentPage.value?.route.name === 'roles',
@@ -157,12 +157,12 @@ const menuDef = computed(() => [{
 		to: '/admin/files',
 		active: currentPage.value?.route.name === 'files',
 	}, {
-		icon: 'ph-megaphone ph-bold ph-lg',
+		icon: 'ti ti-speakerphone',
 		text: i18n.ts.announcements,
 		to: '/admin/announcements',
 		active: currentPage.value?.route.name === 'announcements',
 	}, {
-		icon: 'ph-flag ph-bold ph-lg',
+		icon: 'ti ti-ad',
 		text: i18n.ts.ads,
 		to: '/admin/ads',
 		active: currentPage.value?.route.name === 'ads',
@@ -185,7 +185,7 @@ const menuDef = computed(() => [{
 		to: '/admin/settings',
 		active: currentPage.value?.route.name === 'settings',
 	}, {
-		icon: 'ph-paint-roller ph-bold ph-lg',
+		icon: 'ti ti-paint',
 		text: i18n.ts.branding,
 		to: '/admin/branding',
 		active: currentPage.value?.route.name === 'branding',
@@ -195,7 +195,7 @@ const menuDef = computed(() => [{
 		to: '/admin/moderation',
 		active: currentPage.value?.route.name === 'moderation',
 	}, {
-		icon: 'ph-envelope ph-bold ph-lg',
+		icon: 'ti ti-mail',
 		text: i18n.ts.emailServer,
 		to: '/admin/email-settings',
 		active: currentPage.value?.route.name === 'email-settings',
@@ -215,7 +215,7 @@ const menuDef = computed(() => [{
 		to: '/admin/relays',
 		active: currentPage.value?.route.name === 'relays',
 	}, {
-		icon: 'ph-prohibit ph-bold ph-lg',
+		icon: 'ti ti-ban',
 		text: i18n.ts.instanceBlocking,
 		to: '/admin/instance-block',
 		active: currentPage.value?.route.name === 'instance-block',
@@ -238,7 +238,7 @@ const menuDef = computed(() => [{
 }, {
 	title: i18n.ts.info,
 	items: [{
-		icon: 'ph-database ph-bold ph-lg',
+		icon: 'ti ti-database',
 		text: i18n.ts.database,
 		to: '/admin/database',
 		active: currentPage.value?.route.name === 'database',
@@ -305,13 +305,13 @@ function invite() {
 function adminLookup(ev: MouseEvent) {
 	os.popupMenu([{
 		text: i18n.ts.user,
-		icon: 'ph-user ph-bold ph-lg',
+		icon: 'ti ti-user',
 		action: () => {
 			lookupUser();
 		},
 	}, {
 		text: `${i18n.ts.user} (${i18n.ts.email})`,
-		icon: 'ph-user ph-bold ph-lg',
+		icon: 'ti ti-user',
 		action: () => {
 			lookupUserByEmail();
 		},
diff --git a/packages/frontend/src/pages/admin/instance-block.vue b/packages/frontend/src/pages/admin/instance-block.vue
index 7247fcf3ce..6b14bd42c2 100644
--- a/packages/frontend/src/pages/admin/instance-block.vue
+++ b/packages/frontend/src/pages/admin/instance-block.vue
@@ -59,7 +59,7 @@ const headerActions = computed(() => []);
 const headerTabs = computed(() => [{
 	key: 'block',
 	title: i18n.ts.block,
-	icon: 'ph-prohibit ph-bold ph-lg',
+	icon: 'ti ti-ban',
 }, {
 	key: 'silence',
 	title: i18n.ts.silence,
@@ -68,6 +68,6 @@ const headerTabs = computed(() => [{
 
 definePageMetadata(() => ({
 	title: i18n.ts.instanceBlocking,
-	icon: 'ph-prohibit ph-bold ph-lg',
+	icon: 'ti ti-ban',
 }));
 </script>
diff --git a/packages/frontend/src/pages/admin/invites.vue b/packages/frontend/src/pages/admin/invites.vue
index d5f473b4b2..9f172140bc 100644
--- a/packages/frontend/src/pages/admin/invites.vue
+++ b/packages/frontend/src/pages/admin/invites.vue
@@ -115,7 +115,7 @@ const headerTabs = computed(() => []);
 
 definePageMetadata(() => ({
 	title: i18n.ts.invite,
-	icon: 'ph-user-plus ph-bold ph-lg',
+	icon: 'ti ti-user-plus',
 }));
 </script>
 
diff --git a/packages/frontend/src/pages/admin/relays.vue b/packages/frontend/src/pages/admin/relays.vue
index bd0b886bc8..04982eea1f 100644
--- a/packages/frontend/src/pages/admin/relays.vue
+++ b/packages/frontend/src/pages/admin/relays.vue
@@ -12,7 +12,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 				<div>{{ relay.inbox }}</div>
 				<div style="margin: 8px 0;">
 					<i v-if="relay.status === 'accepted'" class="ti ti-check" :class="$style.icon" style="color: var(--success);"></i>
-					<i v-else-if="relay.status === 'rejected'" class="ph-prohibit ph-bold ph-lg" :class="$style.icon" style="color: var(--error);"></i>
+					<i v-else-if="relay.status === 'rejected'" class="ti ti-ban" :class="$style.icon" style="color: var(--error);"></i>
 					<i v-else class="ti ti-clock" :class="$style.icon"></i>
 					<span>{{ i18n.ts._relayStatus[relay.status] }}</span>
 				</div>
diff --git a/packages/frontend/src/pages/admin/roles.edit.vue b/packages/frontend/src/pages/admin/roles.edit.vue
index 544a98e675..60f06d50ba 100644
--- a/packages/frontend/src/pages/admin/roles.edit.vue
+++ b/packages/frontend/src/pages/admin/roles.edit.vue
@@ -89,7 +89,7 @@ const headerTabs = computed(() => []);
 
 definePageMetadata(() => ({
 	title: role.value ? `${i18n.ts._role.edit}: ${role.value.name}` : i18n.ts._role.new,
-	icon: 'ph-seal-check ph-bold ph-lg',
+	icon: 'ti ti-badge',
 }));
 </script>
 
diff --git a/packages/frontend/src/pages/admin/roles.role.vue b/packages/frontend/src/pages/admin/roles.role.vue
index ad208ea729..6bce60cfb9 100644
--- a/packages/frontend/src/pages/admin/roles.role.vue
+++ b/packages/frontend/src/pages/admin/roles.role.vue
@@ -172,7 +172,7 @@ const headerTabs = computed(() => []);
 
 definePageMetadata(() => ({
 	title: `${i18n.ts.role}: ${role.name}`,
-	icon: 'ph-seal-check ph-bold ph-lg',
+	icon: 'ti ti-badge',
 }));
 </script>
 
diff --git a/packages/frontend/src/pages/admin/roles.vue b/packages/frontend/src/pages/admin/roles.vue
index 3760cc3479..ffd7577689 100644
--- a/packages/frontend/src/pages/admin/roles.vue
+++ b/packages/frontend/src/pages/admin/roles.vue
@@ -299,7 +299,7 @@ const headerTabs = computed(() => []);
 
 definePageMetadata(() => ({
 	title: i18n.ts.roles,
-	icon: 'ph-seal-check ph-bold ph-lg',
+	icon: 'ti ti-badges',
 }));
 </script>
 
diff --git a/packages/frontend/src/pages/admin/server-rules.vue b/packages/frontend/src/pages/admin/server-rules.vue
index 19104e4e48..36e2a29923 100644
--- a/packages/frontend/src/pages/admin/server-rules.vue
+++ b/packages/frontend/src/pages/admin/server-rules.vue
@@ -23,7 +23,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 						<div :class="$style.item">
 							<div :class="$style.itemHeader">
 								<div :class="$style.itemNumber" v-text="String(index + 1)"/>
-								<span :class="$style.itemHandle"><i class="ph-list ph-bold ph-lg"/></span>
+								<span :class="$style.itemHandle"><i class="ti ti-menu"/></span>
 								<button class="_button" :class="$style.itemRemove" @click="remove(index)"><i class="ti ti-x"></i></button>
 							</div>
 							<MkInput v-model="serverRules[index]"/>
diff --git a/packages/frontend/src/pages/admin/settings.vue b/packages/frontend/src/pages/admin/settings.vue
index 1cc964eea4..90ac259c53 100644
--- a/packages/frontend/src/pages/admin/settings.vue
+++ b/packages/frontend/src/pages/admin/settings.vue
@@ -29,7 +29,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 						</MkInput>
 
 						<MkInput v-model="maintainerEmail" type="email">
-							<template #prefix><i class="ph-envelope ph-bold ph-lg"></i></template>
+							<template #prefix><i class="ti ti-mail"></i></template>
 							<template #label>{{ i18n.ts.maintainerEmail }}</template>
 						</MkInput>
 					</FormSplit>
diff --git a/packages/frontend/src/pages/ads.vue b/packages/frontend/src/pages/ads.vue
index c6373e8d60..b31807f9f5 100644
--- a/packages/frontend/src/pages/ads.vue
+++ b/packages/frontend/src/pages/ads.vue
@@ -22,7 +22,7 @@ import { instance } from '@/instance.js';
 
 definePageMetadata(() => ({
 	title: i18n.ts.ads,
-	icon: 'ph-flag ph-bold ph-lg',
+	icon: 'ti ti-ad',
 }));
 </script>
 
diff --git a/packages/frontend/src/pages/announcement.vue b/packages/frontend/src/pages/announcement.vue
index f624494801..85ae9062d4 100644
--- a/packages/frontend/src/pages/announcement.vue
+++ b/packages/frontend/src/pages/announcement.vue
@@ -104,7 +104,7 @@ const headerTabs = computed(() => []);
 
 definePageMetadata(() => ({
 	title: announcement.value ? `${i18n.ts.announcements}: ${announcement.value.title}` : i18n.ts.announcements,
-	icon: 'ph-megaphone ph-bold ph-lg',
+	icon: 'ti ti-speakerphone',
 }));
 </script>
 
diff --git a/packages/frontend/src/pages/announcements.vue b/packages/frontend/src/pages/announcements.vue
index 0fa70c14d5..ffbea15a73 100644
--- a/packages/frontend/src/pages/announcements.vue
+++ b/packages/frontend/src/pages/announcements.vue
@@ -113,7 +113,7 @@ const headerTabs = computed(() => [{
 
 definePageMetadata(() => ({
 	title: i18n.ts.announcements,
-	icon: 'ph-megaphone ph-bold ph-lg',
+	icon: 'ti ti-speakerphone',
 }));
 </script>
 
diff --git a/packages/frontend/src/pages/antenna-timeline.vue b/packages/frontend/src/pages/antenna-timeline.vue
index 4dcb107b35..82dcf57d2d 100644
--- a/packages/frontend/src/pages/antenna-timeline.vue
+++ b/packages/frontend/src/pages/antenna-timeline.vue
@@ -93,7 +93,7 @@ const headerTabs = computed(() => []);
 
 definePageMetadata(() => ({
 	title: antenna.value ? antenna.value.name : i18n.ts.antennas,
-	icon: 'ph-flying-saucer ph-bold ph-lg',
+	icon: 'ti ti-antenna',
 }));
 </script>
 
diff --git a/packages/frontend/src/pages/channel-editor.vue b/packages/frontend/src/pages/channel-editor.vue
index 045dde4afc..d3f4a65b89 100644
--- a/packages/frontend/src/pages/channel-editor.vue
+++ b/packages/frontend/src/pages/channel-editor.vue
@@ -50,7 +50,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 					>
 						<template #item="{element,index}">
 							<div :class="$style.pinnedNote">
-								<button class="_button" :class="$style.pinnedNoteHandle"><i class="ph-list ph-bold ph-lg"></i></button>
+								<button class="_button" :class="$style.pinnedNoteHandle"><i class="ti ti-menu"></i></button>
 								{{ element.id }}
 								<button class="_button" :class="$style.pinnedNoteRemove" @click="removePinnedNote(index)"><i class="ti ti-x"></i></button>
 							</div>
diff --git a/packages/frontend/src/pages/channel.vue b/packages/frontend/src/pages/channel.vue
index f1e10a3d4b..930cbebb00 100644
--- a/packages/frontend/src/pages/channel.vue
+++ b/packages/frontend/src/pages/channel.vue
@@ -285,7 +285,7 @@ const headerTabs = computed(() => [{
 }, {
 	key: 'featured',
 	title: i18n.ts.featured,
-	icon: 'ph-lightning ph-bold ph-lg',
+	icon: 'ti ti-bolt',
 }, {
 	key: 'search',
 	title: i18n.ts.search,
diff --git a/packages/frontend/src/pages/clip.vue b/packages/frontend/src/pages/clip.vue
index 0b2f71e489..c9aaeb96e5 100644
--- a/packages/frontend/src/pages/clip.vue
+++ b/packages/frontend/src/pages/clip.vue
@@ -164,7 +164,7 @@ const headerActions = computed(() => clip.value && isOwned.value ? [{
 
 definePageMetadata(() => ({
 	title: clip.value ? clip.value.name : i18n.ts.clip,
-	icon: 'ph-paperclip ph-bold ph-lg',
+	icon: 'ti ti-paperclip',
 }));
 </script>
 
diff --git a/packages/frontend/src/pages/drive.file.info.vue b/packages/frontend/src/pages/drive.file.info.vue
index d206722b9d..4749d7c981 100644
--- a/packages/frontend/src/pages/drive.file.info.vue
+++ b/packages/frontend/src/pages/drive.file.info.vue
@@ -21,7 +21,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 					<i class="ti ti-pencil"></i>
 				</button>
 				<button v-if="isImage" v-tooltip="i18n.ts.cropImage" class="_button" :class="$style.fileQuickActionsOthersButton" @click="crop()">
-					<i class="ph-crop ph-bold ph-lg"></i>
+					<i class="ti ti-crop"></i>
 				</button>
 				<button v-if="file.isSensitive" v-tooltip="i18n.ts.unmarkAsSensitive" class="_button" :class="$style.fileQuickActionsOthersButton" @click="toggleSensitive()">
 					<i class="ti ti-eye"></i>
diff --git a/packages/frontend/src/pages/drop-and-fusion.vue b/packages/frontend/src/pages/drop-and-fusion.vue
index e8c0c556fa..54352c9b0d 100644
--- a/packages/frontend/src/pages/drop-and-fusion.vue
+++ b/packages/frontend/src/pages/drop-and-fusion.vue
@@ -123,7 +123,7 @@ function onGameEnd() {
 
 definePageMetadata(() => ({
 	title: i18n.ts.bubbleGame,
-	icon: 'ph-game-controller ph-bold ph-lg',
+	icon: 'ti ti-device-gamepad',
 }));
 </script>
 
diff --git a/packages/frontend/src/pages/emoji-edit-dialog.vue b/packages/frontend/src/pages/emoji-edit-dialog.vue
index 93a9a8fef6..5805fb4589 100644
--- a/packages/frontend/src/pages/emoji-edit-dialog.vue
+++ b/packages/frontend/src/pages/emoji-edit-dialog.vue
@@ -59,7 +59,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 						<div v-for="role in rolesThatCanBeUsedThisEmojiAsReaction" :key="role.id" :class="$style.roleItem">
 							<MkRolePreview :class="$style.role" :role="role" :forModeration="true" :detailed="false" style="pointer-events: none;"/>
 							<button v-if="role.target === 'manual'" class="_button" :class="$style.roleUnassign" @click="removeRole(role, $event)"><i class="ti ti-x"></i></button>
-							<button v-else class="_button" :class="$style.roleUnassign" disabled><i class="ph-prohibit ph-bold ph-lg"></i></button>
+							<button v-else class="_button" :class="$style.roleUnassign" disabled><i class="ti ti-ban"></i></button>
 						</div>
 
 						<MkInfo>{{ i18n.ts.rolesThatCanBeUsedThisEmojiAsReactionEmptyDescription }}</MkInfo>
diff --git a/packages/frontend/src/pages/explore.vue b/packages/frontend/src/pages/explore.vue
index 3a8977ff0b..b1a8183d9b 100644
--- a/packages/frontend/src/pages/explore.vue
+++ b/packages/frontend/src/pages/explore.vue
@@ -48,7 +48,7 @@ const headerActions = computed(() => []);
 
 const headerTabs = computed(() => [{
 	key: 'featured',
-	icon: 'ph-lightning ph-bold ph-lg',
+	icon: 'ti ti-bolt',
 	title: i18n.ts.featured,
 }, {
 	key: 'users',
@@ -56,7 +56,7 @@ const headerTabs = computed(() => [{
 	title: i18n.ts.users,
 }, {
 	key: 'roles',
-	icon: 'ph-seal-check ph-bold ph-lg',
+	icon: 'ti ti-badges',
 	title: i18n.ts.roles,
 }]);
 
diff --git a/packages/frontend/src/pages/follow-requests.vue b/packages/frontend/src/pages/follow-requests.vue
index 87d851b7be..d50887b2e9 100644
--- a/packages/frontend/src/pages/follow-requests.vue
+++ b/packages/frontend/src/pages/follow-requests.vue
@@ -71,7 +71,7 @@ const headerTabs = computed(() => []);
 
 definePageMetadata(() => ({
 	title: i18n.ts.followRequests,
-	icon: 'ph-user-plus ph-bold ph-lg',
+	icon: 'ti ti-user-plus',
 }));
 </script>
 
diff --git a/packages/frontend/src/pages/games.vue b/packages/frontend/src/pages/games.vue
index 2822fbde89..afd6df1ad9 100644
--- a/packages/frontend/src/pages/games.vue
+++ b/packages/frontend/src/pages/games.vue
@@ -29,6 +29,6 @@ import { definePageMetadata } from '@/scripts/page-metadata.js';
 
 definePageMetadata(() => ({
 	title: 'Misskey Games',
-	icon: 'ph-game-controller ph-bold ph-lg',
+	icon: 'ti ti-device-gamepad',
 }));
 </script>
diff --git a/packages/frontend/src/pages/install-extensions.vue b/packages/frontend/src/pages/install-extensions.vue
index 5141708083..4bee437f65 100644
--- a/packages/frontend/src/pages/install-extensions.vue
+++ b/packages/frontend/src/pages/install-extensions.vue
@@ -10,8 +10,8 @@ SPDX-License-Identifier: AGPL-3.0-only
 		<MkLoading v-if="uiPhase === 'fetching'"/>
 		<div v-else-if="uiPhase === 'confirm' && data" class="_gaps_m" :class="$style.extInstallerRoot">
 			<div :class="$style.extInstallerIconWrapper">
-				<i v-if="data.type === 'plugin'" class="ph-plug ph-bold ph-lg"></i>
-				<i v-else-if="data.type === 'theme'" class="ph-palette ph-bold ph-lg"></i>
+				<i v-if="data.type === 'plugin'" class="ti ti-plug"></i>
+				<i v-else-if="data.type === 'theme'" class="ti ti-palette"></i>
 				<i v-else class="ti ti-download"></i>
 			</div>
 			<h2 :class="$style.extInstallerTitle">{{ i18n.ts._externalResourceInstaller[`_${data.type}`].title }}</h2>
diff --git a/packages/frontend/src/pages/invite.vue b/packages/frontend/src/pages/invite.vue
index 45864d37ff..ef485a9446 100644
--- a/packages/frontend/src/pages/invite.vue
+++ b/packages/frontend/src/pages/invite.vue
@@ -20,7 +20,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 	<MkSpacer v-else :contentMax="800">
 		<div class="_gaps_m" style="text-align: center;">
 			<div v-if="resetCycle && inviteLimit">{{ i18n.tsx.inviteLimitResetCycle({ time: resetCycle, limit: inviteLimit }) }}</div>
-			<MkButton inline primary rounded :disabled="currentInviteLimit !== null && currentInviteLimit <= 0" @click="create"><i class="ph-user-plus ph-bold ph-lg"></i> {{ i18n.ts.createInviteCode }}</MkButton>
+			<MkButton inline primary rounded :disabled="currentInviteLimit !== null && currentInviteLimit <= 0" @click="create"><i class="ti ti-user-plus"></i> {{ i18n.ts.createInviteCode }}</MkButton>
 			<div v-if="currentInviteLimit !== null">{{ i18n.tsx.createLimitRemaining({ limit: currentInviteLimit }) }}</div>
 
 			<MkPagination ref="pagingComponent" :pagination="pagination">
@@ -95,7 +95,7 @@ update();
 
 definePageMetadata(() => ({
 	title: i18n.ts.invite,
-	icon: 'ph-user-plus ph-bold ph-lg',
+	icon: 'ti ti-user-plus',
 }));
 </script>
 
diff --git a/packages/frontend/src/pages/list.vue b/packages/frontend/src/pages/list.vue
index 870bc47e93..091ea53124 100644
--- a/packages/frontend/src/pages/list.vue
+++ b/packages/frontend/src/pages/list.vue
@@ -103,7 +103,7 @@ const headerTabs = computed(() => []);
 
 definePageMetadata(() => ({
 	title: list.value ? list.value.name : i18n.ts.lists,
-	icon: 'ph-list ph-bold ph-lg',
+	icon: 'ti ti-list',
 }));
 </script>
 <style lang="scss" module>
diff --git a/packages/frontend/src/pages/my-antennas/create.vue b/packages/frontend/src/pages/my-antennas/create.vue
index ee2330a4f7..2d026d2fa9 100644
--- a/packages/frontend/src/pages/my-antennas/create.vue
+++ b/packages/frontend/src/pages/my-antennas/create.vue
@@ -41,6 +41,6 @@ function onAntennaCreated() {
 
 definePageMetadata(() => ({
 	title: i18n.ts.manageAntennas,
-	icon: 'ph-flying-saucer ph-bold ph-lg',
+	icon: 'ti ti-antenna',
 }));
 </script>
diff --git a/packages/frontend/src/pages/my-antennas/edit.vue b/packages/frontend/src/pages/my-antennas/edit.vue
index a262e932f3..9471be8575 100644
--- a/packages/frontend/src/pages/my-antennas/edit.vue
+++ b/packages/frontend/src/pages/my-antennas/edit.vue
@@ -38,6 +38,6 @@ misskeyApi('antennas/show', { antennaId: props.antennaId }).then((antennaRespons
 
 definePageMetadata(() => ({
 	title: i18n.ts.manageAntennas,
-	icon: 'ph-flying-saucer ph-bold ph-lg',
+	icon: 'ti ti-antenna',
 }));
 </script>
diff --git a/packages/frontend/src/pages/my-antennas/index.vue b/packages/frontend/src/pages/my-antennas/index.vue
index f42ecb3cc1..58c8643eb5 100644
--- a/packages/frontend/src/pages/my-antennas/index.vue
+++ b/packages/frontend/src/pages/my-antennas/index.vue
@@ -57,7 +57,7 @@ const headerTabs = computed(() => []);
 
 definePageMetadata(() => ({
 	title: i18n.ts.manageAntennas,
-	icon: 'ph-flying-saucer ph-bold ph-lg',
+	icon: 'ti ti-antenna',
 }));
 
 onActivated(() => {
diff --git a/packages/frontend/src/pages/my-clips/index.vue b/packages/frontend/src/pages/my-clips/index.vue
index 43219b7557..1a0d7177fc 100644
--- a/packages/frontend/src/pages/my-clips/index.vue
+++ b/packages/frontend/src/pages/my-clips/index.vue
@@ -93,7 +93,7 @@ const headerActions = computed(() => []);
 const headerTabs = computed(() => [{
 	key: 'my',
 	title: i18n.ts.myClips,
-	icon: 'ph-paperclip ph-bold ph-lg',
+	icon: 'ti ti-paperclip',
 }, {
 	key: 'favorites',
 	title: i18n.ts.favorites,
@@ -102,7 +102,7 @@ const headerTabs = computed(() => [{
 
 definePageMetadata(() => ({
 	title: i18n.ts.clip,
-	icon: 'ph-paperclip ph-bold ph-lg',
+	icon: 'ti ti-paperclip',
 }));
 </script>
 
diff --git a/packages/frontend/src/pages/my-lists/index.vue b/packages/frontend/src/pages/my-lists/index.vue
index 97c81580ad..eb512cee2e 100644
--- a/packages/frontend/src/pages/my-lists/index.vue
+++ b/packages/frontend/src/pages/my-lists/index.vue
@@ -73,7 +73,7 @@ const headerTabs = computed(() => []);
 
 definePageMetadata(() => ({
 	title: i18n.ts.manageLists,
-	icon: 'ph-list ph-bold ph-lg',
+	icon: 'ti ti-list',
 }));
 
 onActivated(() => {
diff --git a/packages/frontend/src/pages/my-lists/list.vue b/packages/frontend/src/pages/my-lists/list.vue
index c3461a31e1..369d5a5ef8 100644
--- a/packages/frontend/src/pages/my-lists/list.vue
+++ b/packages/frontend/src/pages/my-lists/list.vue
@@ -135,7 +135,7 @@ async function removeUser(item, ev) {
 async function showMembershipMenu(item, ev) {
 	os.popupMenu([{
 		text: item.withReplies ? i18n.ts.hideRepliesToOthersInTimeline : i18n.ts.showRepliesToOthersInTimeline,
-		icon: item.withReplies ? 'ph-envelope-open ph-bold ph-lg' : 'ph-envelope ph-bold ph-lg',
+		icon: item.withReplies ? 'ph-envelope-open ph-bold ph-lg' : 'ti ti-messages',
 		action: async () => {
 			misskeyApi('users/lists/update-membership', {
 				listId: list.value.id,
@@ -188,7 +188,7 @@ const headerTabs = computed(() => []);
 
 definePageMetadata(() => ({
 	title: list.value ? list.value.name : i18n.ts.lists,
-	icon: 'ph-list ph-bold ph-lg',
+	icon: 'ti ti-list',
 }));
 </script>
 
diff --git a/packages/frontend/src/pages/note.vue b/packages/frontend/src/pages/note.vue
index 8c636d9e37..78b44f05a1 100644
--- a/packages/frontend/src/pages/note.vue
+++ b/packages/frontend/src/pages/note.vue
@@ -17,7 +17,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 					<div class="_margin">
 						<div v-if="!showNext" class="_buttons" :class="$style.loadNext">
 							<MkButton v-if="note.channelId" rounded :class="$style.loadButton" @click="showNext = 'channel'"><i class="ti ti-chevron-up"></i> <i class="ph-television-simple ph-bold ph-lg"></i></MkButton>
-							<MkButton rounded :class="$style.loadButton" @click="showNext = 'user'"><i class="ti ti-chevron-up"></i> <i class="ph-user ph-bold ph-lg"></i></MkButton>
+							<MkButton rounded :class="$style.loadButton" @click="showNext = 'user'"><i class="ti ti-chevron-up"></i> <i class="ti ti-user"></i></MkButton>
 						</div>
 						<div v-if="defaultStore.state.noteDesign === 'misskey'" class="_margin _gaps_s">
 							<MkRemoteCaution v-if="note.user.host != null" :href="note.url ?? note.uri"/>
@@ -35,7 +35,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 						</div>
 						<div v-if="!showPrev" class="_buttons" :class="$style.loadPrev">
 							<MkButton v-if="note.channelId" rounded :class="$style.loadButton" @click="showPrev = 'channel'"><i class="ti ti-chevron-down"></i> <i class="ph-television-simple ph-bold ph-lg"></i></MkButton>
-							<MkButton rounded :class="$style.loadButton" @click="showPrev = 'user'"><i class="ti ti-chevron-down"></i> <i class="ph-user ph-bold ph-lg"></i></MkButton>
+							<MkButton rounded :class="$style.loadButton" @click="showPrev = 'user'"><i class="ti ti-chevron-down"></i> <i class="ti ti-user"></i></MkButton>
 						</div>
 					</div>
 
diff --git a/packages/frontend/src/pages/notifications.vue b/packages/frontend/src/pages/notifications.vue
index 6306bd0d90..bfe7bc495f 100644
--- a/packages/frontend/src/pages/notifications.vue
+++ b/packages/frontend/src/pages/notifications.vue
@@ -87,11 +87,11 @@ const headerTabs = computed(() => [{
 }, {
 	key: 'mentions',
 	title: i18n.ts.mentions,
-	icon: 'ph-at ph-bold ph-lg',
+	icon: 'ti ti-at',
 }, {
 	key: 'directNotes',
 	title: i18n.ts.directNotes,
-	icon: 'ph-envelope ph-bold ph-lg',
+	icon: 'ti ti-mail',
 }]);
 
 definePageMetadata(() => ({
diff --git a/packages/frontend/src/pages/page-editor/page-editor.container.vue b/packages/frontend/src/pages/page-editor/page-editor.container.vue
index 68c1b21f0a..2531de0e62 100644
--- a/packages/frontend/src/pages/page-editor/page-editor.container.vue
+++ b/packages/frontend/src/pages/page-editor/page-editor.container.vue
@@ -13,7 +13,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 				<i class="ti ti-trash"></i>
 			</button>
 			<button v-if="draggable" class="drag-handle _button">
-				<i class="ph-list ph-bold ph-lg-2"></i>
+				<i class="ti ti-menu-2"></i>
 			</button>
 			<button class="_button" @click="toggleContent(!showBody)">
 				<template v-if="showBody"><i class="ti ti-chevron-up"></i></template>
diff --git a/packages/frontend/src/pages/reversi/game.vue b/packages/frontend/src/pages/reversi/game.vue
index 21b7797240..eadc51881c 100644
--- a/packages/frontend/src/pages/reversi/game.vue
+++ b/packages/frontend/src/pages/reversi/game.vue
@@ -115,6 +115,6 @@ onUnmounted(() => {
 
 definePageMetadata(() => ({
 	title: 'Reversi',
-	icon: 'ph-game-controller ph-bold ph-lg',
+	icon: 'ti ti-device-gamepad',
 }));
 </script>
diff --git a/packages/frontend/src/pages/reversi/index.vue b/packages/frontend/src/pages/reversi/index.vue
index 5de8fd5f79..51a03e4418 100644
--- a/packages/frontend/src/pages/reversi/index.vue
+++ b/packages/frontend/src/pages/reversi/index.vue
@@ -36,13 +36,13 @@ SPDX-License-Identifier: AGPL-3.0-only
 					<div :class="$style.gamePreviews">
 						<MkA v-for="g in items" :key="g.id" v-panel :class="[$style.gamePreview, !g.isStarted && !g.isEnded && $style.gamePreviewWaiting, g.isStarted && !g.isEnded && $style.gamePreviewActive]" tabindex="-1" :to="`/reversi/g/${g.id}`">
 							<div :class="$style.gamePreviewPlayers">
-								<span v-if="g.winnerId === g.user1Id" style="margin-right: 0.75em; color: var(--accent); font-weight: bold;"><i class="ph-trophy ph-bold ph-lg"></i></span>
+								<span v-if="g.winnerId === g.user1Id" style="margin-right: 0.75em; color: var(--accent); font-weight: bold;"><i class="ti ti-trophy"></i></span>
 								<span v-if="g.winnerId === g.user2Id" style="margin-right: 0.75em; visibility: hidden;"><i class="ti ti-x"></i></span>
 								<MkAvatar :class="$style.gamePreviewPlayersAvatar" :user="g.user1"/>
 								<span style="margin: 0 1em;">vs</span>
 								<MkAvatar :class="$style.gamePreviewPlayersAvatar" :user="g.user2"/>
 								<span v-if="g.winnerId === g.user1Id" style="margin-left: 0.75em; visibility: hidden;"><i class="ti ti-x"></i></span>
-								<span v-if="g.winnerId === g.user2Id" style="margin-left: 0.75em; color: var(--accent); font-weight: bold;"><i class="ph-trophy ph-bold ph-lg"></i></span>
+								<span v-if="g.winnerId === g.user2Id" style="margin-left: 0.75em; color: var(--accent); font-weight: bold;"><i class="ti ti-trophy"></i></span>
 							</div>
 							<div :class="$style.gamePreviewFooter">
 								<span v-if="g.isStarted && !g.isEnded" :class="$style.gamePreviewStatusActive">{{ i18n.ts._reversi.playing }}</span>
@@ -63,13 +63,13 @@ SPDX-License-Identifier: AGPL-3.0-only
 					<div :class="$style.gamePreviews">
 						<MkA v-for="g in items" :key="g.id" v-panel :class="[$style.gamePreview, !g.isStarted && !g.isEnded && $style.gamePreviewWaiting, g.isStarted && !g.isEnded && $style.gamePreviewActive]" tabindex="-1" :to="`/reversi/g/${g.id}`">
 							<div :class="$style.gamePreviewPlayers">
-								<span v-if="g.winnerId === g.user1Id" style="margin-right: 0.75em; color: var(--accent); font-weight: bold;"><i class="ph-trophy ph-bold ph-lg"></i></span>
+								<span v-if="g.winnerId === g.user1Id" style="margin-right: 0.75em; color: var(--accent); font-weight: bold;"><i class="ti ti-trophy"></i></span>
 								<span v-if="g.winnerId === g.user2Id" style="margin-right: 0.75em; visibility: hidden;"><i class="ti ti-x"></i></span>
 								<MkAvatar :class="$style.gamePreviewPlayersAvatar" :user="g.user1"/>
 								<span style="margin: 0 1em;">vs</span>
 								<MkAvatar :class="$style.gamePreviewPlayersAvatar" :user="g.user2"/>
 								<span v-if="g.winnerId === g.user1Id" style="margin-left: 0.75em; visibility: hidden;"><i class="ti ti-x"></i></span>
-								<span v-if="g.winnerId === g.user2Id" style="margin-left: 0.75em; color: var(--accent); font-weight: bold;"><i class="ph-trophy ph-bold ph-lg"></i></span>
+								<span v-if="g.winnerId === g.user2Id" style="margin-left: 0.75em; color: var(--accent); font-weight: bold;"><i class="ti ti-trophy"></i></span>
 							</div>
 							<div :class="$style.gamePreviewFooter">
 								<span v-if="g.isStarted && !g.isEnded" :class="$style.gamePreviewStatusActive">{{ i18n.ts._reversi.playing }}</span>
@@ -263,7 +263,7 @@ onUnmounted(() => {
 
 definePageMetadata(() => ({
 	title: 'Reversi',
-	icon: 'ph-game-controller ph-bold ph-lg',
+	icon: 'ti ti-device-gamepad',
 }));
 </script>
 
diff --git a/packages/frontend/src/pages/role.vue b/packages/frontend/src/pages/role.vue
index 3a4af9d964..45edbc5da2 100644
--- a/packages/frontend/src/pages/role.vue
+++ b/packages/frontend/src/pages/role.vue
@@ -95,7 +95,7 @@ const headerTabs = computed(() => [{
 
 definePageMetadata(() => ({
 	title: role.value ? role.value.name : i18n.ts.role,
-	icon: 'ph-seal-check ph-bold ph-lg',
+	icon: 'ti ti-badge',
 }));
 </script>
 
diff --git a/packages/frontend/src/pages/settings/apps.vue b/packages/frontend/src/pages/settings/apps.vue
index cf4ba3abf2..c58ea5d378 100644
--- a/packages/frontend/src/pages/settings/apps.vue
+++ b/packages/frontend/src/pages/settings/apps.vue
@@ -77,7 +77,7 @@ const headerTabs = computed(() => []);
 
 definePageMetadata(() => ({
 	title: i18n.ts.installedApps,
-	icon: 'ph-plug ph-bold ph-lg',
+	icon: 'ti ti-plug',
 }));
 </script>
 
diff --git a/packages/frontend/src/pages/settings/email.vue b/packages/frontend/src/pages/settings/email.vue
index a69cfd3314..f226647569 100644
--- a/packages/frontend/src/pages/settings/email.vue
+++ b/packages/frontend/src/pages/settings/email.vue
@@ -8,7 +8,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 	<FormSection first>
 		<template #label>{{ i18n.ts.emailAddress }}</template>
 		<MkInput v-model="emailAddress" type="email" manualSave>
-			<template #prefix><i class="ph-envelope ph-bold ph-lg"></i></template>
+			<template #prefix><i class="ti ti-mail"></i></template>
 			<template v-if="$i.email && !$i.emailVerified" #caption>{{ i18n.ts.verificationEmailSent }}</template>
 			<template v-else-if="emailAddress === $i.email && $i.emailVerified" #caption><i class="ti ti-check" style="color: var(--success);"></i> {{ i18n.ts.emailVerified }}</template>
 		</MkInput>
@@ -115,6 +115,6 @@ const headerTabs = computed(() => []);
 
 definePageMetadata(() => ({
 	title: i18n.ts.email,
-	icon: 'ph-envelope ph-bold ph-lg',
+	icon: 'ti ti-mail',
 }));
 </script>
diff --git a/packages/frontend/src/pages/settings/import-export.vue b/packages/frontend/src/pages/settings/import-export.vue
index 4122b1b6a5..8bb5972aa2 100644
--- a/packages/frontend/src/pages/settings/import-export.vue
+++ b/packages/frontend/src/pages/settings/import-export.vue
@@ -116,7 +116,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 		</div>
 	</FormSection>
 	<FormSection>
-		<template #label><i class="ph-flying-saucer ph-bold ph-lg"></i> {{ i18n.ts.antennas }}</template>
+		<template #label><i class="ti ti-antenna"></i> {{ i18n.ts.antennas }}</template>
 		<div class="_gaps_s">
 			<MkFolder>
 				<template #label>{{ i18n.ts.export }}</template>
diff --git a/packages/frontend/src/pages/settings/index.vue b/packages/frontend/src/pages/settings/index.vue
index 437e9af806..91d19e3eb6 100644
--- a/packages/frontend/src/pages/settings/index.vue
+++ b/packages/frontend/src/pages/settings/index.vue
@@ -62,7 +62,7 @@ const ro = new ResizeObserver((entries, observer) => {
 const menuDef = computed(() => [{
 	title: i18n.ts.basicSettings,
 	items: [{
-		icon: 'ph-user ph-bold ph-lg',
+		icon: 'ti ti-user',
 		text: i18n.ts.profile,
 		to: '/settings/profile',
 		active: currentPage.value?.route.name === 'profile',
@@ -87,7 +87,7 @@ const menuDef = computed(() => [{
 		to: '/settings/notifications',
 		active: currentPage.value?.route.name === 'notifications',
 	}, {
-		icon: 'ph-envelope ph-bold ph-lg',
+		icon: 'ti ti-mail',
 		text: i18n.ts.email,
 		to: '/settings/email',
 		active: currentPage.value?.route.name === 'email',
@@ -105,12 +105,12 @@ const menuDef = computed(() => [{
 		to: '/settings/general',
 		active: currentPage.value?.route.name === 'general',
 	}, {
-		icon: 'ph-palette ph-bold ph-lg',
+		icon: 'ti ti-palette',
 		text: i18n.ts.theme,
 		to: '/settings/theme',
 		active: currentPage.value?.route.name === 'theme',
 	}, {
-		icon: 'ph-list ph-bold ph-lg-2',
+		icon: 'ti ti-menu-2',
 		text: i18n.ts.navbar,
 		to: '/settings/navbar',
 		active: currentPage.value?.route.name === 'navbar',
@@ -125,7 +125,7 @@ const menuDef = computed(() => [{
 		to: '/settings/sounds',
 		active: currentPage.value?.route.name === 'sounds',
 	}, {
-		icon: 'ph-plug ph-bold ph-lg',
+		icon: 'ti ti-plug',
 		text: i18n.ts.plugins,
 		to: '/settings/plugin',
 		active: currentPage.value?.route.name === 'plugin',
@@ -133,12 +133,12 @@ const menuDef = computed(() => [{
 }, {
 	title: i18n.ts.otherSettings,
 	items: [{
-		icon: 'ph-seal-check ph-bold ph-lg',
+		icon: 'ti ti-badges',
 		text: i18n.ts.roles,
 		to: '/settings/roles',
 		active: currentPage.value?.route.name === 'roles',
 	}, {
-		icon: 'ph-prohibit ph-bold ph-lg',
+		icon: 'ti ti-ban',
 		text: i18n.ts.muteAndBlock,
 		to: '/settings/mute-block',
 		active: currentPage.value?.route.name === 'mute-block',
diff --git a/packages/frontend/src/pages/settings/mute-block.vue b/packages/frontend/src/pages/settings/mute-block.vue
index 6b95e84205..3c20505497 100644
--- a/packages/frontend/src/pages/settings/mute-block.vue
+++ b/packages/frontend/src/pages/settings/mute-block.vue
@@ -91,7 +91,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 	</MkFolder>
 
 	<MkFolder>
-		<template #icon><i class="ph-prohibit ph-bold ph-lg"></i></template>
+		<template #icon><i class="ti ti-ban"></i></template>
 		<template #label>{{ i18n.ts.blockedUsers }}</template>
 
 		<MkPagination :pagination="blockingPagination">
@@ -231,7 +231,7 @@ const headerTabs = computed(() => []);
 
 definePageMetadata(() => ({
 	title: i18n.ts.muteAndBlock,
-	icon: 'ph-prohibit ph-bold ph-lg',
+	icon: 'ti ti-ban',
 }));
 </script>
 
diff --git a/packages/frontend/src/pages/settings/navbar.vue b/packages/frontend/src/pages/settings/navbar.vue
index 0081a2e02a..7f8460e316 100644
--- a/packages/frontend/src/pages/settings/navbar.vue
+++ b/packages/frontend/src/pages/settings/navbar.vue
@@ -21,7 +21,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 						v-if="element.type === '-' || navbarItemDef[element.type]"
 						:class="$style.item"
 					>
-						<button class="_button" :class="$style.itemHandle"><i class="ph-list ph-bold ph-lg"></i></button>
+						<button class="_button" :class="$style.itemHandle"><i class="ti ti-menu"></i></button>
 						<i class="ti-fw" :class="[$style.itemIcon, navbarItemDef[element.type]?.icon]"></i><span :class="$style.itemText">{{ navbarItemDef[element.type]?.title ?? i18n.ts.divider }}</span>
 						<button class="_button" :class="$style.itemRemove" @click="removeItem(index)"><i class="ti ti-x"></i></button>
 					</div>
@@ -120,7 +120,7 @@ const headerTabs = computed(() => []);
 
 definePageMetadata(() => ({
 	title: i18n.ts.navbar,
-	icon: 'ph-list ph-bold ph-lg',
+	icon: 'ti ti-list',
 }));
 </script>
 
diff --git a/packages/frontend/src/pages/settings/plugin.vue b/packages/frontend/src/pages/settings/plugin.vue
index d2125486be..9804454e66 100644
--- a/packages/frontend/src/pages/settings/plugin.vue
+++ b/packages/frontend/src/pages/settings/plugin.vue
@@ -141,6 +141,6 @@ const headerTabs = computed(() => []);
 
 definePageMetadata(() => ({
 	title: i18n.ts.plugins,
-	icon: 'ph-plug ph-bold ph-lg',
+	icon: 'ti ti-plug',
 }));
 </script>
diff --git a/packages/frontend/src/pages/settings/profile.vue b/packages/frontend/src/pages/settings/profile.vue
index 7f7ed39bbf..9c276f5525 100644
--- a/packages/frontend/src/pages/settings/profile.vue
+++ b/packages/frontend/src/pages/settings/profile.vue
@@ -50,7 +50,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 
 	<FormSlot>
 		<MkFolder>
-			<template #icon><i class="ph-list ph-bold ph-lg"></i></template>
+			<template #icon><i class="ti ti-list"></i></template>
 			<template #label>{{ i18n.ts._profile.metadataEdit }}</template>
 
 			<div :class="$style.metadataRoot">
@@ -72,7 +72,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 				>
 					<template #item="{element, index}">
 						<div :class="$style.fieldDragItem">
-							<button v-if="!fieldEditMode" class="_button" :class="$style.dragItemHandle" tabindex="-1"><i class="ph-list ph-bold ph-lg"></i></button>
+							<button v-if="!fieldEditMode" class="_button" :class="$style.dragItemHandle" tabindex="-1"><i class="ti ti-menu"></i></button>
 							<button v-if="fieldEditMode" :disabled="fields.length <= 1" class="_button" :class="$style.dragItemRemove" @click="deleteField(index)"><i class="ti ti-x"></i></button>
 							<div :class="$style.dragItemForm">
 								<FormSplit :minWidth="200">
@@ -396,7 +396,7 @@ const headerTabs = computed(() => []);
 
 definePageMetadata(() => ({
 	title: i18n.ts.profile,
-	icon: 'ph-user ph-bold ph-lg',
+	icon: 'ti ti-user',
 }));
 </script>
 
diff --git a/packages/frontend/src/pages/settings/roles.vue b/packages/frontend/src/pages/settings/roles.vue
index 273cf013f0..5346a58a79 100644
--- a/packages/frontend/src/pages/settings/roles.vue
+++ b/packages/frontend/src/pages/settings/roles.vue
@@ -39,7 +39,7 @@ const headerTabs = computed(() => []);
 
 definePageMetadata(() => ({
 	title: i18n.ts.roles,
-	icon: 'ph-seal-check ph-bold ph-lg',
+	icon: 'ti ti-badges',
 }));
 </script>
 
diff --git a/packages/frontend/src/pages/settings/statusbar.vue b/packages/frontend/src/pages/settings/statusbar.vue
index fa924d13f0..1ae3de7994 100644
--- a/packages/frontend/src/pages/settings/statusbar.vue
+++ b/packages/frontend/src/pages/settings/statusbar.vue
@@ -52,6 +52,6 @@ const headerTabs = computed(() => []);
 
 definePageMetadata(() => ({
 	title: i18n.ts.statusbar,
-	icon: 'ph-list ph-bold ph-lg',
+	icon: 'ti ti-list',
 }));
 </script>
diff --git a/packages/frontend/src/pages/settings/theme.vue b/packages/frontend/src/pages/settings/theme.vue
index e678a7d183..37117205d2 100644
--- a/packages/frontend/src/pages/settings/theme.vue
+++ b/packages/frontend/src/pages/settings/theme.vue
@@ -59,9 +59,9 @@ SPDX-License-Identifier: AGPL-3.0-only
 	<FormSection>
 		<div class="_formLinksGrid">
 			<FormLink to="/settings/theme/manage"><template #icon><i class="ph-wrench ph-bold ph-lg"></i></template>{{ i18n.ts._theme.manage }}<template #suffix>{{ themesCount }}</template></FormLink>
-			<FormLink to="https://assets.misskey.io/theme/list" external><template #icon><i class="ph-globe-hemisphere-west ph-bold ph-lg"></i></template>{{ i18n.ts._theme.explore }}</FormLink>
+			<FormLink to="https://assets.misskey.io/theme/list" external><template #icon><i class="ti ti-world"></i></template>{{ i18n.ts._theme.explore }}</FormLink>
 			<FormLink to="/settings/theme/install"><template #icon><i class="ti ti-download"></i></template>{{ i18n.ts._theme.install }}</FormLink>
-			<FormLink to="/theme-editor"><template #icon><i class="ph-paint-roller ph-bold ph-lg"></i></template>{{ i18n.ts._theme.make }}</FormLink>
+			<FormLink to="/theme-editor"><template #icon><i class="ti ti-paint"></i></template>{{ i18n.ts._theme.make }}</FormLink>
 		</div>
 	</FormSection>
 
@@ -179,7 +179,7 @@ const headerTabs = computed(() => []);
 
 definePageMetadata(() => ({
 	title: i18n.ts.theme,
-	icon: 'ph-palette ph-bold ph-lg',
+	icon: 'ti ti-palette',
 }));
 </script>
 
diff --git a/packages/frontend/src/pages/theme-editor.vue b/packages/frontend/src/pages/theme-editor.vue
index aec30c9581..1cdccdc244 100644
--- a/packages/frontend/src/pages/theme-editor.vue
+++ b/packages/frontend/src/pages/theme-editor.vue
@@ -221,7 +221,7 @@ const headerTabs = computed(() => []);
 
 definePageMetadata(() => ({
 	title: i18n.ts.themeEditor,
-	icon: 'ph-palette ph-bold ph-lg',
+	icon: 'ti ti-palette',
 }));
 </script>
 
diff --git a/packages/frontend/src/pages/timeline.vue b/packages/frontend/src/pages/timeline.vue
index 80640f68b8..5cb358cdb5 100644
--- a/packages/frontend/src/pages/timeline.vue
+++ b/packages/frontend/src/pages/timeline.vue
@@ -316,12 +316,12 @@ const headerTabs = computed(() => [...(defaultStore.reactiveState.pinnedUserList
 	icon: 'ph-globe-hemisphere-west ph-bold ph-lg',
 	iconOnly: true,
 }] : []), {
-	icon: 'ph-list ph-bold ph-lg',
+	icon: 'ti ti-list',
 	title: i18n.ts.lists,
 	iconOnly: true,
 	onClick: chooseList,
 }, {
-	icon: 'ph-flying-saucer ph-bold ph-lg',
+	icon: 'ti ti-antenna',
 	title: i18n.ts.antennas,
 	iconOnly: true,
 	onClick: chooseAntenna,
@@ -349,7 +349,7 @@ const headerTabsWhenNotLogin = computed(() => [
 
 definePageMetadata(() => ({
 	title: i18n.ts.timeline,
-	icon: src.value === 'local' ? 'ti ti-planet' : src.value === 'social' ? 'ph-rocket-launch ph-bold ph-lg' : src.value === 'global' ? 'ph-globe-hemisphere-west ph-bold ph-lg' : src.value === 'bubble' ? 'ph-drop ph-bold ph-lg' : 'ti ti-home',
+	icon: src.value === 'local' ? 'ti ti-planet' : src.value === 'social' ? 'ph-rocket-launch ph-bold ph-lg' : src.value === 'global' ? 'ti ti-world' : src.value === 'bubble' ? 'ph-drop ph-bold ph-lg' : 'ti ti-home',
 }));
 </script>
 
diff --git a/packages/frontend/src/pages/user-list-timeline.vue b/packages/frontend/src/pages/user-list-timeline.vue
index 6cefe88f30..6566263c01 100644
--- a/packages/frontend/src/pages/user-list-timeline.vue
+++ b/packages/frontend/src/pages/user-list-timeline.vue
@@ -107,7 +107,7 @@ const headerTabs = computed(() => []);
 
 definePageMetadata(() => ({
 	title: list.value ? list.value.name : i18n.ts.lists,
-	icon: 'ph-list ph-bold ph-lg',
+	icon: 'ti ti-list',
 }));
 </script>
 
diff --git a/packages/frontend/src/pages/user/followers.vue b/packages/frontend/src/pages/user/followers.vue
index e8addf88b7..70883242e5 100644
--- a/packages/frontend/src/pages/user/followers.vue
+++ b/packages/frontend/src/pages/user/followers.vue
@@ -54,7 +54,7 @@ const headerTabs = computed(() => []);
 
 definePageMetadata(() => ({
 	title: i18n.ts.user,
-	icon: 'ph-user ph-bold ph-lg',
+	icon: 'ti ti-user',
 	...user.value ? {
 		title: user.value.name ? `${user.value.name} (@${user.value.username})` : `@${user.value.username}`,
 		subtitle: i18n.ts.followers,
diff --git a/packages/frontend/src/pages/user/following.vue b/packages/frontend/src/pages/user/following.vue
index 8e4da40383..37b25f694f 100644
--- a/packages/frontend/src/pages/user/following.vue
+++ b/packages/frontend/src/pages/user/following.vue
@@ -54,7 +54,7 @@ const headerTabs = computed(() => []);
 
 definePageMetadata(() => ({
 	title: i18n.ts.user,
-	icon: 'ph-user ph-bold ph-lg',
+	icon: 'ti ti-user',
 	...user.value ? {
 		title: user.value.name ? `${user.value.name} (@${user.value.username})` : `@${user.value.username}`,
 		subtitle: i18n.ts.following,
diff --git a/packages/frontend/src/pages/user/index.vue b/packages/frontend/src/pages/user/index.vue
index 9e0bed80e6..e42a6fad9f 100644
--- a/packages/frontend/src/pages/user/index.vue
+++ b/packages/frontend/src/pages/user/index.vue
@@ -95,7 +95,7 @@ const headerTabs = computed(() => user.value ? [{
 }, ...(user.value.host == null ? [{
 	key: 'achievements',
 	title: i18n.ts.achievements,
-	icon: 'ph-trophy ph-bold ph-lg',
+	icon: 'ti ti-medal',
 }] : []), ...($i && ($i.id === user.value.id || $i.isAdmin || $i.isModerator)) || user.value.publicReactions ? [{
 	key: 'reactions',
 	title: i18n.ts.reaction,
@@ -103,15 +103,15 @@ const headerTabs = computed(() => user.value ? [{
 }] : [], {
 	key: 'clips',
 	title: i18n.ts.clips,
-	icon: 'ph-paperclip ph-bold ph-lg',
+	icon: 'ti ti-paperclip',
 }, {
 	key: 'lists',
 	title: i18n.ts.lists,
-	icon: 'ph-list ph-bold ph-lg',
+	icon: 'ti ti-list',
 }, {
 	key: 'pages',
 	title: i18n.ts.pages,
-	icon: 'ph-newspaper ph-bold ph-lg',
+	icon: 'ti ti-news',
 }, {
 	key: 'flashs',
 	title: 'Play',
@@ -128,7 +128,7 @@ const headerTabs = computed(() => user.value ? [{
 
 definePageMetadata(() => ({
 	title: i18n.ts.user,
-	icon: 'ph-user ph-bold ph-lg',
+	icon: 'ti ti-user',
 	...user.value ? {
 		title: user.value.name ? ` (@${user.value.username})` : `@${user.value.username}`,
 		subtitle: `@${getAcct(user.value)}`,
diff --git a/packages/frontend/src/scripts/get-drive-file-menu.ts b/packages/frontend/src/scripts/get-drive-file-menu.ts
index 31164b1878..7aca5f83b2 100644
--- a/packages/frontend/src/scripts/get-drive-file-menu.ts
+++ b/packages/frontend/src/scripts/get-drive-file-menu.ts
@@ -93,11 +93,11 @@ export function getDriveFileMenu(file: Misskey.entities.DriveFile, folder?: Miss
 		action: () => toggleSensitive(file),
 	}, {
 		text: i18n.ts.describeFile,
-		icon: 'ph-text-indent ph-bold ph-lg',
+		icon: 'ti ti-text-caption',
 		action: () => describe(file),
 	}, ...isImage ? [{
 		text: i18n.ts.cropImage,
-		icon: 'ph-crop ph-bold ph-lg',
+		icon: 'ti ti-crop',
 		action: () => os.cropImage(file, {
 			aspectRatio: NaN,
 			uploadFolder: folder ? folder.id : folder,
diff --git a/packages/frontend/src/scripts/get-note-menu.ts b/packages/frontend/src/scripts/get-note-menu.ts
index 23e40dad69..3851bde534 100644
--- a/packages/frontend/src/scripts/get-note-menu.ts
+++ b/packages/frontend/src/scripts/get-note-menu.ts
@@ -363,7 +363,7 @@ export function getNoteMenu(props: {
 			}),
 			{
 				type: 'parent' as const,
-				icon: 'ph-paperclip ph-bold ph-lg',
+				icon: 'ti ti-paperclip',
 				text: i18n.ts.clip,
 				children: () => getNoteClipMenu(props),
 			},
@@ -387,7 +387,7 @@ export function getNoteMenu(props: {
 			} : undefined,
 			{
 				type: 'parent' as const,
-				icon: 'ph-user ph-bold ph-lg',
+				icon: 'ti ti-user',
 				text: i18n.ts.user,
 				children: async () => {
 					const user = appearNote.userId === $i?.id ? $i : await misskeyApi('users/show', { userId: appearNote.userId });
@@ -400,7 +400,7 @@ export function getNoteMenu(props: {
 		...($i.isModerator || $i.isAdmin ? [
 			{ type: 'divider' },
 			{
-				icon: 'ph-megaphone ph-bold ph-lg',
+				icon: 'ti ti-speakerphone',
 				text: i18n.ts.promote,
 				action: promote
 			}]
@@ -495,7 +495,7 @@ export function getNoteMenu(props: {
 
 	if (noteActions.length > 0) {
 		menu = menu.concat([{ type: "divider" }, ...noteActions.map(action => ({
-			icon: 'ph-plug ph-bold ph-lg',
+			icon: 'ti ti-plug',
 			text: action.title,
 			action: () => {
 				action.handler(appearNote);
@@ -578,7 +578,7 @@ export function getRenoteMenu(props: {
 			},
 		}, {
 			text: i18n.ts.inChannelQuote,
-			icon: 'ph ph-quotes',
+			icon: 'ti ti-quote',
 			action: () => {
 				if (!props.mock) {
 					os.post({
@@ -624,7 +624,7 @@ export function getRenoteMenu(props: {
 			},
 		}, (props.mock) ? undefined : {
 			text: i18n.ts.quote,
-			icon: 'ph ph-quotes',
+			icon: 'ti ti-quote',
 			action: () => {
 				os.post({
 					renote: appearNote,
diff --git a/packages/frontend/src/scripts/get-user-menu.ts b/packages/frontend/src/scripts/get-user-menu.ts
index e485e610fd..906a3f999c 100644
--- a/packages/frontend/src/scripts/get-user-menu.ts
+++ b/packages/frontend/src/scripts/get-user-menu.ts
@@ -153,7 +153,7 @@ export function getUserMenu(user: Misskey.entities.UserDetailed, router: IRouter
 	}
 
 	let menu = [{
-		icon: 'ph-at ph-bold ph-lg',
+		icon: 'ti ti-at',
 		text: i18n.ts.copyUsername,
 		action: () => {
 			copyToClipboard(`@${user.username}@${user.host ?? host}`);
@@ -185,7 +185,7 @@ export function getUserMenu(user: Misskey.entities.UserDetailed, router: IRouter
 			copyToClipboard(`${url}/${canonical}`);
 		},
 	}, {
-		icon: 'ph-envelope ph-bold ph-lg',
+		icon: 'ti ti-mail',
 		text: i18n.ts.sendMessage,
 		action: () => {
 			const canonical = user.host === null ? `@${user.username}` : `@${user.username}@${user.host}`;
@@ -199,7 +199,7 @@ export function getUserMenu(user: Misskey.entities.UserDetailed, router: IRouter
 		},
 	}, {
 		type: 'parent',
-		icon: 'ph-list ph-bold ph-lg',
+		icon: 'ti ti-list',
 		text: i18n.ts.addToList,
 		children: async () => {
 			const lists = await userListsCache.fetch();
@@ -232,7 +232,7 @@ export function getUserMenu(user: Misskey.entities.UserDetailed, router: IRouter
 		},
 	}, {
 		type: 'parent',
-		icon: 'ph-flying-saucer ph-bold ph-lg',
+		icon: 'ti ti-antenna',
 		text: i18n.ts.addToAntenna,
 		children: async () => {
 			const antennas = await antennasCache.fetch();
@@ -263,7 +263,7 @@ export function getUserMenu(user: Misskey.entities.UserDetailed, router: IRouter
 		if (iAmModerator) {
 			menu = menu.concat([{
 				type: 'parent',
-				icon: 'ph-seal-check ph-bold ph-lg',
+				icon: 'ti ti-badges',
 				text: i18n.ts.roles,
 				children: async () => {
 					const roles = await rolesCache.fetch();
@@ -324,7 +324,7 @@ export function getUserMenu(user: Misskey.entities.UserDetailed, router: IRouter
 			text: user.isRenoteMuted ? i18n.ts.renoteUnmute : i18n.ts.renoteMute,
 			action: toggleRenoteMute,
 		}, {
-			icon: 'ph-prohibit ph-bold ph-lg',
+			icon: 'ti ti-ban',
 			text: user.isBlocking ? i18n.ts.unblock : i18n.ts.block,
 			action: toggleBlock,
 		}]);
@@ -374,7 +374,7 @@ export function getUserMenu(user: Misskey.entities.UserDetailed, router: IRouter
 
 	if (userActions.length > 0) {
 		menu = menu.concat([{ type: 'divider' }, ...userActions.map(action => ({
-			icon: 'ph-plug ph-bold ph-lg',
+			icon: 'ti ti-plug',
 			text: action.title,
 			action: () => {
 				action.handler(user);
diff --git a/packages/frontend/src/ui/_common_/common.ts b/packages/frontend/src/ui/_common_/common.ts
index dc1848a32c..41b0a7b7a0 100644
--- a/packages/frontend/src/ui/_common_/common.ts
+++ b/packages/frontend/src/ui/_common_/common.ts
@@ -67,13 +67,13 @@ export function openInstanceMenu(ev: MouseEvent) {
 	}, { type: 'divider' }, {
 		type: 'link',
 		text: i18n.ts.ads,
-		icon: 'ph-flag ph-bold ph-lg',
+		icon: 'ti ti-ad',
 		to: '/ads',
 	}, ($i && ($i.isAdmin || $i.policies.canInvite) && instance.disableRegistration) ? {
 		type: 'link',
 		to: '/invite',
 		text: i18n.ts.invite,
-		icon: 'ph-user-plus ph-bold ph-lg',
+		icon: 'ti ti-user-plus',
 	} : undefined, {
 		type: 'parent',
 		text: i18n.ts.tools,
@@ -92,7 +92,7 @@ export function openInstanceMenu(ev: MouseEvent) {
 		},
 	} : undefined, (instance.tosUrl) ? {
 		text: i18n.ts.termsOfService,
-		icon: 'ph-notebook ph-bold ph-lg',
+		icon: 'ti ti-notebook',
 		action: () => {
 			window.open(instance.tosUrl, '_blank', 'noopener');
 		},
diff --git a/packages/frontend/src/ui/classic.vue b/packages/frontend/src/ui/classic.vue
index ea9ea56b90..ce5a22a61d 100644
--- a/packages/frontend/src/ui/classic.vue
+++ b/packages/frontend/src/ui/classic.vue
@@ -118,13 +118,13 @@ function onContextmenu(ev: MouseEvent) {
 		type: 'label',
 		text: path,
 	}, {
-		icon: fullView.value ? 'ph-arrows-in-simple ph-bold ph-lg' : 'ph-frame-corners ph-bold ph-lg',
+		icon: fullView.value ? 'ti ti-minimize' : 'ti ti-maximize',
 		text: fullView.value ? i18n.ts.quitFullView : i18n.ts.fullView,
 		action: () => {
 			fullView.value = !fullView.value;
 		},
 	}, {
-		icon: 'ph-frame-corners ph-bold ph-lg',
+		icon: 'ti ti-window-maximize',
 		text: i18n.ts.openInWindow,
 		action: () => {
 			os.pageWindow(path);
diff --git a/packages/frontend/src/ui/deck.vue b/packages/frontend/src/ui/deck.vue
index 744591c712..1429bc4a19 100644
--- a/packages/frontend/src/ui/deck.vue
+++ b/packages/frontend/src/ui/deck.vue
@@ -50,7 +50,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 	</div>
 
 	<div v-if="isMobile" :class="$style.nav">
-		<button :class="$style.navButton" class="_button" @click="drawerMenuShowing = true"><i :class="$style.navButtonIcon" class="ph-list ph-bold ph-lg-2"></i><span v-if="menuIndicated" :class="$style.navButtonIndicator"><i class="_indicatorCircle"></i></span></button>
+		<button :class="$style.navButton" class="_button" @click="drawerMenuShowing = true"><i :class="$style.navButtonIcon" class="ti ti-menu-2"></i><span v-if="menuIndicated" :class="$style.navButtonIndicator"><i class="_indicatorCircle"></i></span></button>
 		<button :class="$style.navButton" class="_button" @click="mainRouter.push('/')"><i :class="$style.navButtonIcon" class="ti ti-home"></i></button>
 		<button :class="$style.navButton" class="_button" @click="mainRouter.push('/my/notifications')">
 			<i :class="$style.navButtonIcon" class="ph-bell ph-bold ph-lg"></i>
diff --git a/packages/frontend/src/ui/deck/antenna-column.vue b/packages/frontend/src/ui/deck/antenna-column.vue
index 398dad7f16..0185d742eb 100644
--- a/packages/frontend/src/ui/deck/antenna-column.vue
+++ b/packages/frontend/src/ui/deck/antenna-column.vue
@@ -6,7 +6,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 <template>
 <XColumn :menu="menu" :column="column" :isStacked="isStacked" :refresher="() => timeline.reloadTimeline()">
 	<template #header>
-		<i class="ph-flying-saucer ph-bold ph-lg"></i><span style="margin-left: 8px;">{{ column.name }}</span>
+		<i class="ti ti-antenna"></i><span style="margin-left: 8px;">{{ column.name }}</span>
 	</template>
 
 	<MkTimeline v-if="column.antennaId" ref="timeline" src="antenna" :antenna="column.antennaId" @note="onNote"/>
diff --git a/packages/frontend/src/ui/deck/column.vue b/packages/frontend/src/ui/deck/column.vue
index fafd34816d..0e870c7a27 100644
--- a/packages/frontend/src/ui/deck/column.vue
+++ b/packages/frontend/src/ui/deck/column.vue
@@ -165,7 +165,7 @@ function getMenu() {
 			stackLeftColumn(props.column.id);
 		},
 	}, props.isStacked ? {
-		icon: 'ph-frame-corners ph-bold ph-lg',
+		icon: 'ti ti-window-maximize',
 		text: i18n.ts._deck.popRight,
 		action: () => {
 			popRightColumn(props.column.id);
diff --git a/packages/frontend/src/ui/deck/direct-column.vue b/packages/frontend/src/ui/deck/direct-column.vue
index 09412ce386..e011de0e3b 100644
--- a/packages/frontend/src/ui/deck/direct-column.vue
+++ b/packages/frontend/src/ui/deck/direct-column.vue
@@ -5,7 +5,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 
 <template>
 <XColumn :column="column" :isStacked="isStacked" :refresher="() => reloadTimeline()">
-	<template #header><i class="ph-envelope ph-bold ph-lg" style="margin-right: 8px;"></i>{{ column.name }}</template>
+	<template #header><i class="ti ti-mail" style="margin-right: 8px;"></i>{{ column.name }}</template>
 
 	<MkNotes ref="tlComponent" :pagination="pagination"/>
 </XColumn>
diff --git a/packages/frontend/src/ui/deck/list-column.vue b/packages/frontend/src/ui/deck/list-column.vue
index c92e5d9ffe..913f9b1688 100644
--- a/packages/frontend/src/ui/deck/list-column.vue
+++ b/packages/frontend/src/ui/deck/list-column.vue
@@ -6,7 +6,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 <template>
 <XColumn :menu="menu" :column="column" :isStacked="isStacked" :refresher="() => timeline.reloadTimeline()">
 	<template #header>
-		<i class="ph-list ph-bold ph-lg"></i><span style="margin-left: 8px;">{{ column.name }}</span>
+		<i class="ti ti-list"></i><span style="margin-left: 8px;">{{ column.name }}</span>
 	</template>
 
 	<MkTimeline v-if="column.listId" ref="timeline" :key="column.listId + column.withRenotes + column.onlyFiles" src="list" :list="column.listId" :withRenotes="withRenotes" :onlyFiles="onlyFiles" @note="onNote"/>
diff --git a/packages/frontend/src/ui/deck/main-column.vue b/packages/frontend/src/ui/deck/main-column.vue
index 847dcf247a..79c9671917 100644
--- a/packages/frontend/src/ui/deck/main-column.vue
+++ b/packages/frontend/src/ui/deck/main-column.vue
@@ -66,7 +66,7 @@ function onContextmenu(ev: MouseEvent) {
 		type: 'label',
 		text: path,
 	}, {
-		icon: 'ph-frame-corners ph-bold ph-lg',
+		icon: 'ti ti-window-maximize',
 		text: i18n.ts.openInWindow,
 		action: () => {
 			os.pageWindow(path);
diff --git a/packages/frontend/src/ui/deck/mentions-column.vue b/packages/frontend/src/ui/deck/mentions-column.vue
index 70ec98119a..81926dd7cb 100644
--- a/packages/frontend/src/ui/deck/mentions-column.vue
+++ b/packages/frontend/src/ui/deck/mentions-column.vue
@@ -5,7 +5,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 
 <template>
 <XColumn :column="column" :isStacked="isStacked" :refresher="() => reloadTimeline()">
-	<template #header><i class="ph-at ph-bold ph-lg" style="margin-right: 8px;"></i>{{ column.name }}</template>
+	<template #header><i class="ti ti-at" style="margin-right: 8px;"></i>{{ column.name }}</template>
 
 	<MkNotes ref="tlComponent" :pagination="pagination"/>
 </XColumn>
diff --git a/packages/frontend/src/ui/deck/role-timeline-column.vue b/packages/frontend/src/ui/deck/role-timeline-column.vue
index 62a82ff51f..24e31681a5 100644
--- a/packages/frontend/src/ui/deck/role-timeline-column.vue
+++ b/packages/frontend/src/ui/deck/role-timeline-column.vue
@@ -6,7 +6,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 <template>
 <XColumn :menu="menu" :column="column" :isStacked="isStacked" :refresher="() => timeline.reloadTimeline()">
 	<template #header>
-		<i class="ph-seal-check ph-bold ph-lg"></i><span style="margin-left: 8px;">{{ column.name }}</span>
+		<i class="ti ti-badge"></i><span style="margin-left: 8px;">{{ column.name }}</span>
 	</template>
 
 	<MkTimeline v-if="column.roleId" ref="timeline" src="role" :role="column.roleId" @note="onNote"/>
diff --git a/packages/frontend/src/ui/universal.vue b/packages/frontend/src/ui/universal.vue
index 14c9589a69..831f5343f9 100644
--- a/packages/frontend/src/ui/universal.vue
+++ b/packages/frontend/src/ui/universal.vue
@@ -25,7 +25,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 	<button v-if="(!isDesktop || pageMetadata?.needWideArea) && !isMobile" :class="$style.widgetButton" class="_button" @click="widgetsShowing = true"><i class="ph-stack ph-bold ph-lg"></i></button>
 
 	<div v-if="isMobile" ref="navFooter" :class="$style.nav">
-		<button :class="$style.navButton" class="_button" @click="drawerMenuShowing = true"><i :class="$style.navButtonIcon" class="ph-list ph-bold ph-lg-2"></i><span v-if="menuIndicated" :class="$style.navButtonIndicator"><i class="_indicatorCircle"></i></span></button>
+		<button :class="$style.navButton" class="_button" @click="drawerMenuShowing = true"><i :class="$style.navButtonIcon" class="ti ti-menu-2"></i><span v-if="menuIndicated" :class="$style.navButtonIndicator"><i class="_indicatorCircle"></i></span></button>
 		<button :class="$style.navButton" class="_button" @click="isRoot ? top() : mainRouter.push('/')"><i :class="$style.navButtonIcon" class="ti ti-home"></i></button>
 		<button :class="$style.navButton" class="_button" @click="mainRouter.push('/my/notifications')">
 			<i :class="$style.navButtonIcon" class="ph-bell ph-bold ph-lg"></i>
@@ -209,7 +209,7 @@ const onContextmenu = (ev) => {
 		type: 'label',
 		text: path,
 	}, {
-		icon: 'ph-frame-corners ph-bold ph-lg',
+		icon: 'ti ti-window-maximize',
 		text: i18n.ts.openInWindow,
 		action: () => {
 			os.pageWindow(path);
diff --git a/packages/frontend/src/ui/visitor.vue b/packages/frontend/src/ui/visitor.vue
index e9074e7ec0..3a5dbeb186 100644
--- a/packages/frontend/src/ui/visitor.vue
+++ b/packages/frontend/src/ui/visitor.vue
@@ -22,7 +22,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 			</div>
 			<div v-else-if="narrow === true" class="narrow">
 				<button class="menu _button" @click="showMenu = true">
-					<i class="ph-list ph-bold ph-lg-2 icon"></i>
+					<i class="ti ti-menu-2 icon"></i>
 				</button>
 			</div>
 		</div>
@@ -50,10 +50,10 @@ SPDX-License-Identifier: AGPL-3.0-only
 			<MkA to="/" class="link" activeClass="active"><i class="ti ti-home icon"></i>{{ i18n.ts.home }}</MkA>
 			<MkA v-if="isTimelineAvailable" to="/timeline" class="link" activeClass="active"><i class="ph-chat-text ph-bold ph-lg icon"></i>{{ i18n.ts.timeline }}</MkA>
 			<MkA to="/explore" class="link" activeClass="active"><i class="ti ti-hash icon"></i>{{ i18n.ts.explore }}</MkA>
-			<MkA to="/announcements" class="link" activeClass="active"><i class="ph-megaphone ph-bold ph-lg icon"></i>{{ i18n.ts.announcements }}</MkA>
+			<MkA to="/announcements" class="link" activeClass="active"><i class="ti ti-speakerphone icon"></i>{{ i18n.ts.announcements }}</MkA>
 			<MkA to="/channels" class="link" activeClass="active"><i class="ti ti-device-tv icon"></i>{{ i18n.ts.channel }}</MkA>
 			<div class="divider"></div>
-			<MkA to="/pages" class="link" activeClass="active"><i class="ph-newspaper ph-bold ph-lg icon"></i>{{ i18n.ts.pages }}</MkA>
+			<MkA to="/pages" class="link" activeClass="active"><i class="ti ti-news icon"></i>{{ i18n.ts.pages }}</MkA>
 			<MkA to="/play" class="link" activeClass="active"><i class="ti ti-player-play icon"></i>Play</MkA>
 			<MkA to="/gallery" class="link" activeClass="active"><i class="ph-images-square ph-bold ph-lgs icon"></i>{{ i18n.ts.gallery }}</MkA>
 			<div class="action">
diff --git a/packages/frontend/src/widgets/WidgetTimeline.vue b/packages/frontend/src/widgets/WidgetTimeline.vue
index 51201f9703..4e77795a30 100644
--- a/packages/frontend/src/widgets/WidgetTimeline.vue
+++ b/packages/frontend/src/widgets/WidgetTimeline.vue
@@ -11,8 +11,8 @@ SPDX-License-Identifier: AGPL-3.0-only
 		<i v-else-if="widgetProps.src === 'social'" class="ph-rocket-launch ph-bold ph-lg"></i>
 		<i v-else-if="widgetProps.src === 'bubble'" class="ph-drop ph-bold ph-lg"></i>
 		<i v-else-if="widgetProps.src === 'global'" class="ph-globe-hemisphere-west ph-bold ph-lg"></i>
-		<i v-else-if="widgetProps.src === 'list'" class="ph-list ph-bold ph-lg"></i>
-		<i v-else-if="widgetProps.src === 'antenna'" class="ph-flying-saucer ph-bold ph-lg"></i>
+		<i v-else-if="widgetProps.src === 'list'" class="ti ti-list"></i>
+		<i v-else-if="widgetProps.src === 'antenna'" class="ti ti-antenna"></i>
 	</template>
 	<template #header>
 		<button class="_button" @click="choose">
@@ -103,7 +103,7 @@ const choose = async (ev) => {
 	]);
 	const antennaItems = antennas.map(antenna => ({
 		text: antenna.name,
-		icon: 'ph-flying-saucer ph-bold ph-lg',
+		icon: 'ti ti-antenna',
 		action: () => {
 			widgetProps.antenna = antenna;
 			setSrc('antenna');
@@ -111,7 +111,7 @@ const choose = async (ev) => {
 	}));
 	const listItems = lists.map(list => ({
 		text: list.name,
-		icon: 'ph-list ph-bold ph-lg',
+		icon: 'ti ti-list',
 		action: () => {
 			widgetProps.list = list;
 			setSrc('list');
diff --git a/packages/frontend/src/widgets/server-metric/disk.vue b/packages/frontend/src/widgets/server-metric/disk.vue
index e94a8b6848..0602b8cd27 100644
--- a/packages/frontend/src/widgets/server-metric/disk.vue
+++ b/packages/frontend/src/widgets/server-metric/disk.vue
@@ -7,7 +7,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 <div class="zbwaqsat">
 	<XPie class="pie" :value="usage"/>
 	<div>
-		<p><i class="ph-database ph-bold ph-lg"></i>Disk</p>
+		<p><i class="ti ti-database"></i>Disk</p>
 		<p>Total: {{ bytes(total, 1) }}</p>
 		<p>Free: {{ bytes(available, 1) }}</p>
 		<p>Used: {{ bytes(used, 1) }}</p>
diff --git a/packages/frontend/vite.config.ts b/packages/frontend/vite.config.ts
index 97ec8927ae..700892fa94 100644
--- a/packages/frontend/vite.config.ts
+++ b/packages/frontend/vite.config.ts
@@ -186,7 +186,6 @@ export function getConfig(): UserConfig {
 					'ti ti-plus': 'ph-plus ph-bold ph-lg',
 					'ti ti-planet': 'ph-planet ph-bold ph-lg',
 					'ti ti-world-x': 'ph-planet ph-bold ph-lg',
-					'ti ti-world-search': 'ph-planet ph-bold ph-lg',
 					'ti ti-chevron-right': 'ph-caret-right ph-bold ph-lg',
 					'ti ti-chevrons-right': 'ph-caret-right ph-bold ph-lg',
 					'ti ti-dots': 'ph-dots-three ph-bold ph-lg',
@@ -276,6 +275,61 @@ export function getConfig(): UserConfig {
 					'ti ti-arrow-back-up': 'ph-arrow-u-up-left ph-bold ph-lg',
 					'ti ti-quote': 'ph-quotes ph-bold ph-lg',
 					'ti ti-send': 'ph-paper-plane-tilt ph-bold ph-lg',
+					'ti ti-speakerphone': 'ph-megaphone ph-bold ph-lg',
+					'ti ti-bolt': 'ph-lightning ph-bold ph-lg',
+					'ti ti-mail': 'ph-envelope ph-bold ph-lg',
+					'ti ti-paperclip': 'ph-paperclip ph-bold ph-lg',
+					'ti ti-ban': 'ph-prohibit ph-bold ph-lg',
+					'ti ti-chevron-double-right': 'ph-caret-double-right ph-bold ph-lg',
+					'ti ti-at': 'ph-at ph-bold ph-lg',
+					'ti ti-chart-arrows': 'ph-chart-bar-horizontal ph-bold ph-lg',
+					'ti ti-medal': 'ph-trophy ph-bold ph-lg',
+					'ti ti-trophy': 'ph-trophy ph-bold ph-lg',
+					'ti ti-badges': 'ph-seal-check ph-bold ph-lg',
+					'ti ti-badge': 'ph-seal-check ph-bold ph-lg',
+					'ti ti-window-maximize': 'ph-frame-corners ph-bold ph-lg',
+					'ti ti-password': 'ph-password ph-bold ph-lg',
+					'ti ti-key': 'ph-key ph-bold ph-lg',
+					'ti ti-123': 'ph-numpad ph-bold ph-lg',
+					'ti ti-world': 'ph-globe-hemisphere-west ph-bold ph-lg',
+					'ti ti-plug': 'ph-plug ph-bold ph-lg',
+					'ti ti-palette': 'ph-palette ph-bold ph-lg',
+					'ti ti-text-caption': 'ph-text-indent ph-bold ph-lg',
+					'ti ti-crop': 'ph-crop ph-bold ph-lg',
+					'ti ti-crown': 'ph-crown ph-bold ph-lg',
+					'ti ti-user': 'ph-user ph-bold ph-lg',
+					'ti ti-brand-x': 'ph-twitter-logo ph-bold ph-lg',
+					'ti ti-picture-in-picture': 'ph-picture-in-picture ph-bold ph-lg',
+					'ti ti-user-edit': 'ph-user-list ph-bold ph-lg',
+					'ti ti-user-plus': 'ph-user-plus ph-bold ph-lg',
+					'ti ti-bell-plus': 'ph-bell-ringing ph-bold ph-lg',
+					'ti ti-bell-ringing-2': 'ph-bell-ringing ph-bold ph-lg',
+					'ti ti-maximize': 'ph-frame-corners ph-bold ph-lg',
+					'ti ti-minimize': 'ph-arrows-in-simple ph-bold ph-lg',
+					'ti ti-rectangle': 'ph-frame-corners ph-bold ph-lg',
+					'icon ti ti-brand-youtube': 'icon ph-youtube-logo ph-bold ph-lg',
+					'ti ti-snowflake': 'ph-snowflake ph-bold ph-lg',
+					'ti ti-feather': 'ph-feather ph-bold ph-lg',
+					'ti ti-dice-5': 'ph ph-dice-5 ph-bold ph-lg',
+					'ti ti-world-search': 'ph-binoculars ph-bold ph-lg',
+					'ti ti-list': 'ph-list ph-bold ph-lg',
+					'ti ti-antenna': 'ph-flying-saucer ph-bold ph-lg',
+					'ti ti-news': 'ph-newspaper ph-bold ph-lg',
+					'ti ti-device-gamepad': 'ph-game-controller ph-bold ph-lg',
+					'ti ti-devices': 'ph-devices ph-bold ph-lg',
+					'ti ti-user-shield': 'ph-newspaper-clipping ph-bold ph-lg',
+					'ti ti-checkup-list': 'ph-list-checks ph-bold ph-lg',
+					'ti ti-license': 'ph-notebook ph-bold ph-lg',
+					'ti ti-notebook': 'ph-notebook ph-bold ph-lg',
+					'ti ti-message': 'ph-envelope ph-bold ph-lg',
+					'ti ti-messages': 'ph-envelope ph-bold ph-lg',
+					'ti ti-user-circle': 'ph-user-circle ph-bold ph-lg',
+					'ti ti-menu-2': 'ph-list ph-bold ph-lg',
+					'ti ti-menu': 'ph-list ph-bold ph-lg',
+					'ti ti-ad': 'ph-flag ph-bold ph-lg',
+					'ti ti-paint': 'ph-paint-roller ph-bold ph-lg',
+					'ti ti-database': 'ph-database ph-bold ph-lg',
+
 				},
 			}),
 			...process.env.NODE_ENV === 'production'