diff --git a/packages/frontend/src/boot/common.ts b/packages/frontend/src/boot/common.ts
index 681beaf00f..d86ae18ffe 100644
--- a/packages/frontend/src/boot/common.ts
+++ b/packages/frontend/src/boot/common.ts
@@ -145,8 +145,11 @@ export async function common(createVue: () => App<Element>) {
 	// NOTE: この処理は必ずクライアント更新チェック処理より後に来ること(テーマ再構築のため)
 	watch(defaultStore.reactiveState.darkMode, (darkMode) => {
 		applyTheme(darkMode ? ColdDeviceStorage.get('darkTheme') : ColdDeviceStorage.get('lightTheme'));
+		document.documentElement.dataset.colorMode = darkMode ? 'dark' : 'light';
 	}, { immediate: miLocalStorage.getItem('theme') == null });
 
+	document.documentElement.dataset.colorMode = defaultStore.state.darkMode ? 'dark' : 'light';
+
 	const darkTheme = computed(ColdDeviceStorage.makeGetterSetter('darkTheme'));
 	const lightTheme = computed(ColdDeviceStorage.makeGetterSetter('lightTheme'));
 
diff --git a/packages/frontend/src/style.scss b/packages/frontend/src/style.scss
index 187d902733..250a2616a7 100644
--- a/packages/frontend/src/style.scss
+++ b/packages/frontend/src/style.scss
@@ -431,12 +431,13 @@ rt {
 	border-radius: 10px;
 
 	--bg: #F1E8DC;
-	--panel: #fff;
 	--fg: #693410;
-	--switchOffBg: rgba(0, 0, 0, 0.1);
-	--switchOffFg: rgb(255, 255, 255);
-	--switchOnBg: var(--accent);
-	--switchOnFg: rgb(255, 255, 255);
+}
+
+html[data-color-mode=dark] ._woodenFrame {
+	--bg: #1d0c02;
+	--fg: #F1E8DC;
+	--panel: #192320;
 }
 
 ._woodenFrameH {