From 18daf43f705bde35c7f9a3a584ec14650612d7c1 Mon Sep 17 00:00:00 2001
From: syuilo <4439005+syuilo@users.noreply.github.com>
Date: Thu, 31 Jul 2025 21:12:07 +0900
Subject: [PATCH] clean up
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ワイルドカードセレクタはexpensive
---
 packages/frontend/src/style.scss |  6 ------
 packages/frontend/src/theme.ts   | 12 +++---------
 2 files changed, 3 insertions(+), 15 deletions(-)

diff --git a/packages/frontend/src/style.scss b/packages/frontend/src/style.scss
index ebd2b7e48c..d9565841f2 100644
--- a/packages/frontend/src/style.scss
+++ b/packages/frontend/src/style.scss
@@ -64,12 +64,6 @@ html {
 	}
 }
 
-html._themeChangingFallback_ {
-	&, * {
-		transition: background 0.5s ease, border 0.5s ease !important;
-	}
-}
-
 html._themeChanging_ {
 	view-transition-name: theme-changing;
 }
diff --git a/packages/frontend/src/theme.ts b/packages/frontend/src/theme.ts
index a2658df374..036b86cff8 100644
--- a/packages/frontend/src/theme.ts
+++ b/packages/frontend/src/theme.ts
@@ -140,7 +140,7 @@ export function applyTheme(theme: Theme, persist = true) {
 	// リアクティビティ解除
 	currentTheme = deepClone(theme);
 
-	if (window.document.startViewTransition != null && prefer.s.animation) {
+	if (window.document.startViewTransition != null) {
 		window.document.documentElement.classList.add('_themeChanging_');
 		window.document.startViewTransition(async () => {
 			applyThemeInternal(theme, persist);
@@ -151,15 +151,9 @@ export function applyTheme(theme: Theme, persist = true) {
 			globalEvents.emit('themeChanged');
 		});
 	} else {
-		// TODO: ViewTransition API が主要ブラウザで対応したら消す
-		window.document.documentElement.classList.add('_themeChangingFallback_');
-		timeout = window.setTimeout(() => {
-			window.document.documentElement.classList.remove('_themeChangingFallback_');
-			// 色計算など再度行えるようにクライアント全体に通知
-			globalEvents.emit('themeChanged');
-		}, 500);
-
 		applyThemeInternal(theme, persist);
+		// 色計算など再度行えるようにクライアント全体に通知
+		globalEvents.emit('themeChanged');
 	}
 }