diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8f98fffa9e..434a18442a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -71,6 +71,7 @@
 - Fix: ActivityPubリクエストURLチェック実装は仕様に従っていないのを修正
 - Fix: 連合無しモードでも外部から照会可能だった問題を修正
 - Fix: テスト用WebHookのペイロードの`emojis`パラメータが実際のものと異なる問題を修正
+- Fix: 非ログインでタイムラインのストリームに接続した際、表示にログイン必須のノートが流れる場合がある問題を修正
 
 ## 2025.3.1
 
diff --git a/packages/backend/src/server/api/stream/channels/global-timeline.ts b/packages/backend/src/server/api/stream/channels/global-timeline.ts
index ed56fe0d40..4f64ce6866 100644
--- a/packages/backend/src/server/api/stream/channels/global-timeline.ts
+++ b/packages/backend/src/server/api/stream/channels/global-timeline.ts
@@ -50,6 +50,7 @@ class GlobalTimelineChannel extends Channel {
 
 		if (note.visibility !== 'public') return;
 		if (note.channelId != null) return;
+		if (note.user.requireSigninToViewContents && this.user == null) return;
 
 		if (isRenotePacked(note) && !isQuotePacked(note) && !this.withRenotes) return;
 
diff --git a/packages/backend/src/server/api/stream/channels/local-timeline.ts b/packages/backend/src/server/api/stream/channels/local-timeline.ts
index 491029f5de..c3cf78a24a 100644
--- a/packages/backend/src/server/api/stream/channels/local-timeline.ts
+++ b/packages/backend/src/server/api/stream/channels/local-timeline.ts
@@ -53,6 +53,7 @@ class LocalTimelineChannel extends Channel {
 		if (note.user.host !== null) return;
 		if (note.visibility !== 'public') return;
 		if (note.channelId != null) return;
+		if (note.user.requireSigninToViewContents && this.user == null) return;
 
 		// 関係ない返信は除外
 		if (note.reply && this.user && !this.following[note.userId]?.withReplies && !this.withReplies) {
diff --git a/packages/frontend-shared/themes/l-botanical.json5 b/packages/frontend-shared/themes/l-botanical.json5
index 17e9ca246f..4ad539e8a0 100644
--- a/packages/frontend-shared/themes/l-botanical.json5
+++ b/packages/frontend-shared/themes/l-botanical.json5
@@ -13,18 +13,18 @@
 		fgHighlighted: '#6bc9a0',
 		fgOnWhite: '@accent',
 		divider: '#cfcfcf',
-		panel: '@X14',
+		panel: '#ebe7e5',
 		panelHeaderBg: '@panel',
 		panelHeaderDivider: '@divider',
 		header: ':alpha<0.7<@panel',
-		navBg: '@X14',
+		navBg: '#ebe7e5',
 		renote: '#229e92',
 		mention: '#da6d35',
 		mentionMe: '#d44c4c',
 		hashtag: '#4cb8d4',
 		link: '@accent',
 		buttonGradateB: ':hue<-70<@accent',
-		success: '#86b300',
-    X14: '#ebe7e5'
+		success: '@accent',
+		error: '#da5635',
 	},
 }
diff --git a/packages/frontend-shared/themes/l-coffee.json5 b/packages/frontend-shared/themes/l-coffee.json5
index b64cc73583..df3a12a37b 100644
--- a/packages/frontend-shared/themes/l-coffee.json5
+++ b/packages/frontend-shared/themes/l-coffee.json5
@@ -18,5 +18,8 @@
 		mention: '@accent',
 		mentionMe: 'rgb(170, 149, 98)',
 		hashtag: '@accent',
+		error: '#db9184',
+		warn: '#dbc184',
+		success: '#a3c975',
 	},
 }
diff --git a/packages/frontend/.storybook/preview.ts b/packages/frontend/.storybook/preview.ts
index 269bc4fb9a..fb855c1410 100644
--- a/packages/frontend/.storybook/preview.ts
+++ b/packages/frontend/.storybook/preview.ts
@@ -83,7 +83,7 @@ queueMicrotask(() => {
 			widgets(app);
 			misskeyOS = os;
 			if (isChromatic()) {
-				prefer.set('animation', false);
+				prefer.commit('animation', false);
 			}
 		});
 	});