diff --git a/packages/client/src/components/analog-clock.vue b/packages/client/src/components/analog-clock.vue
index 9ca511b6e9..59b8e97304 100644
--- a/packages/client/src/components/analog-clock.vue
+++ b/packages/client/src/components/analog-clock.vue
@@ -90,7 +90,7 @@ onMounted(() => {
 	const update = () => {
 		if (enabled.value) {
 			tick();
-			setTimeout(update, 1000);
+			window.setTimeout(update, 1000);
 		}
 	};
 	update();
diff --git a/packages/client/src/components/captcha.vue b/packages/client/src/components/captcha.vue
index 2a4181255f..7fe499dc86 100644
--- a/packages/client/src/components/captcha.vue
+++ b/packages/client/src/components/captcha.vue
@@ -90,7 +90,7 @@ function requestRender() {
 			'error-callback': callback,
 		});
 	} else {
-		setTimeout(requestRender, 1);
+		window.setTimeout(requestRender, 1);
 	}
 }
 
diff --git a/packages/client/src/components/form/input.vue b/packages/client/src/components/form/input.vue
index 3533f4f27b..7165671af3 100644
--- a/packages/client/src/components/form/input.vue
+++ b/packages/client/src/components/form/input.vue
@@ -167,7 +167,7 @@ export default defineComponent({
 
 				// このコンポーネントが作成された時、非表示状態である場合がある
 				// 非表示状態だと要素の幅などは0になってしまうので、定期的に計算する
-				const clock = setInterval(() => {
+				const clock = window.setInterval(() => {
 					if (prefixEl.value) {
 						if (prefixEl.value.offsetWidth) {
 							inputEl.value.style.paddingLeft = prefixEl.value.offsetWidth + 'px';
@@ -181,7 +181,7 @@ export default defineComponent({
 				}, 100);
 
 				onUnmounted(() => {
-					clearInterval(clock);
+					window.clearInterval(clock);
 				});
 			});
 		});
diff --git a/packages/client/src/components/form/select.vue b/packages/client/src/components/form/select.vue
index afc53ca9c8..87196027a8 100644
--- a/packages/client/src/components/form/select.vue
+++ b/packages/client/src/components/form/select.vue
@@ -117,7 +117,7 @@ export default defineComponent({
 
 				// このコンポーネントが作成された時、非表示状態である場合がある
 				// 非表示状態だと要素の幅などは0になってしまうので、定期的に計算する
-				const clock = setInterval(() => {
+				const clock = window.setInterval(() => {
 					if (prefixEl.value) {
 						if (prefixEl.value.offsetWidth) {
 							inputEl.value.style.paddingLeft = prefixEl.value.offsetWidth + 'px';
@@ -131,7 +131,7 @@ export default defineComponent({
 				}, 100);
 
 				onUnmounted(() => {
-					clearInterval(clock);
+					window.clearInterval(clock);
 				});
 			});
 		});
diff --git a/packages/client/src/components/global/sticky-container.vue b/packages/client/src/components/global/sticky-container.vue
index 859b2c1d73..89d397f082 100644
--- a/packages/client/src/components/global/sticky-container.vue
+++ b/packages/client/src/components/global/sticky-container.vue
@@ -45,7 +45,7 @@ export default defineComponent({
 			calc();
 
 			const observer = new MutationObserver(() => {
-				setTimeout(() => {
+				window.setTimeout(() => {
 					calc();
 				}, 100);
 			});
diff --git a/packages/client/src/components/mini-chart.vue b/packages/client/src/components/mini-chart.vue
index 2eb9ae8cbe..8c74eae876 100644
--- a/packages/client/src/components/mini-chart.vue
+++ b/packages/client/src/components/mini-chart.vue
@@ -63,10 +63,10 @@ export default defineComponent({
 		this.draw();
 
 		// Vueが何故かWatchを発動させない場合があるので
-		this.clock = setInterval(this.draw, 1000);
+		this.clock = window.setInterval(this.draw, 1000);
 	},
 	beforeUnmount() {
-		clearInterval(this.clock);
+		window.clearInterval(this.clock);
 	},
 	methods: {
 		draw() {
diff --git a/packages/client/src/components/notification-toast.vue b/packages/client/src/components/notification-toast.vue
index 5449409ccc..fbd8467a6e 100644
--- a/packages/client/src/components/notification-toast.vue
+++ b/packages/client/src/components/notification-toast.vue
@@ -29,7 +29,7 @@ export default defineComponent({
 		};
 	},
 	mounted() {
-		setTimeout(() => {
+		window.setTimeout(() => {
 			this.showing = false;
 		}, 6000);
 	}
diff --git a/packages/client/src/components/ripple.vue b/packages/client/src/components/ripple.vue
index 272eacbc6e..401e78e304 100644
--- a/packages/client/src/components/ripple.vue
+++ b/packages/client/src/components/ripple.vue
@@ -94,7 +94,7 @@ export default defineComponent({
 		}
 
 		onMounted(() => {
-			setTimeout(() => {
+			window.setTimeout(() => {
 				context.emit('end');
 			}, 1100);
 		});
diff --git a/packages/client/src/components/toast.vue b/packages/client/src/components/toast.vue
index 869182d8e1..031aa45633 100644
--- a/packages/client/src/components/toast.vue
+++ b/packages/client/src/components/toast.vue
@@ -26,7 +26,7 @@ const showing = ref(true);
 const zIndex = os.claimZIndex('high');
 
 onMounted(() => {
-	setTimeout(() => {
+	window.setTimeout(() => {
 		showing.value = false;
 	}, 4000);
 });
diff --git a/packages/client/src/components/ui/button.vue b/packages/client/src/components/ui/button.vue
index 804a2e2720..c7b6c8ba96 100644
--- a/packages/client/src/components/ui/button.vue
+++ b/packages/client/src/components/ui/button.vue
@@ -117,14 +117,14 @@ export default defineComponent({
 
 			const scale = calcCircleScale(e.target.clientWidth, e.target.clientHeight, circleCenterX, circleCenterY);
 
-			setTimeout(() => {
+			window.setTimeout(() => {
 				ripple.style.transform = 'scale(' + (scale / 2) + ')';
 			}, 1);
-			setTimeout(() => {
+			window.setTimeout(() => {
 				ripple.style.transition = 'all 1s ease';
 				ripple.style.opacity = '0';
 			}, 1000);
-			setTimeout(() => {
+			window.setTimeout(() => {
 				if (this.$refs.ripples) this.$refs.ripples.removeChild(ripple);
 			}, 2000);
 		}
diff --git a/packages/client/src/components/ui/modal.vue b/packages/client/src/components/ui/modal.vue
index 3e2e59b27c..c691c8c6d0 100644
--- a/packages/client/src/components/ui/modal.vue
+++ b/packages/client/src/components/ui/modal.vue
@@ -211,7 +211,7 @@ export default defineComponent({
 				contentClicking = true;
 				window.addEventListener('mouseup', e => {
 					// click イベントより先に mouseup イベントが発生するかもしれないのでちょっと待つ
-					setTimeout(() => {
+					window.setTimeout(() => {
 						contentClicking = false;
 					}, 100);
 				}, { passive: true, once: true });
diff --git a/packages/client/src/directives/anim.ts b/packages/client/src/directives/anim.ts
index 1ceef984d8..04e1c6a404 100644
--- a/packages/client/src/directives/anim.ts
+++ b/packages/client/src/directives/anim.ts
@@ -10,7 +10,7 @@ export default {
 	},
 
 	mounted(src, binding, vn) {
-		setTimeout(() => {
+		window.setTimeout(() => {
 			src.style.opacity = '1';
 			src.style.transform = 'none';
 		}, 1);
diff --git a/packages/client/src/directives/tooltip.ts b/packages/client/src/directives/tooltip.ts
index e14ee81dff..fffde14874 100644
--- a/packages/client/src/directives/tooltip.ts
+++ b/packages/client/src/directives/tooltip.ts
@@ -21,7 +21,7 @@ export default {
 
 		self.close = () => {
 			if (self._close) {
-				clearInterval(self.checkTimer);
+				window.clearInterval(self.checkTimer);
 				self._close();
 				self._close = null;
 			}
@@ -61,19 +61,19 @@ export default {
 		});
 
 		el.addEventListener(start, () => {
-			clearTimeout(self.showTimer);
-			clearTimeout(self.hideTimer);
-			self.showTimer = setTimeout(self.show, delay);
+			window.clearTimeout(self.showTimer);
+			window.clearTimeout(self.hideTimer);
+			self.showTimer = window.setTimeout(self.show, delay);
 		}, { passive: true });
 
 		el.addEventListener(end, () => {
-			clearTimeout(self.showTimer);
-			clearTimeout(self.hideTimer);
-			self.hideTimer = setTimeout(self.close, delay);
+			window.clearTimeout(self.showTimer);
+			window.clearTimeout(self.hideTimer);
+			self.hideTimer = window.setTimeout(self.close, delay);
 		}, { passive: true });
 
 		el.addEventListener('click', () => {
-			clearTimeout(self.showTimer);
+			window.clearTimeout(self.showTimer);
 			self.close();
 		});
 	},
@@ -85,6 +85,6 @@ export default {
 
 	unmounted(el, binding, vn) {
 		const self = el._tooltipDirective_;
-		clearInterval(self.checkTimer);
+		window.clearInterval(self.checkTimer);
 	},
 } as Directive;
diff --git a/packages/client/src/directives/user-preview.ts b/packages/client/src/directives/user-preview.ts
index 68d9e2816c..cdd2afa194 100644
--- a/packages/client/src/directives/user-preview.ts
+++ b/packages/client/src/directives/user-preview.ts
@@ -30,11 +30,11 @@ export class UserPreview {
 			source: this.el
 		}, {
 			mouseover: () => {
-				clearTimeout(this.hideTimer);
+				window.clearTimeout(this.hideTimer);
 			},
 			mouseleave: () => {
-				clearTimeout(this.showTimer);
-				this.hideTimer = setTimeout(this.close, 500);
+				window.clearTimeout(this.showTimer);
+				this.hideTimer = window.setTimeout(this.close, 500);
 			},
 		}, 'closed');
 
@@ -44,10 +44,10 @@ export class UserPreview {
 			}
 		};
 
-		this.checkTimer = setInterval(() => {
+		this.checkTimer = window.setInterval(() => {
 			if (!document.body.contains(this.el)) {
-				clearTimeout(this.showTimer);
-				clearTimeout(this.hideTimer);
+				window.clearTimeout(this.showTimer);
+				window.clearTimeout(this.hideTimer);
 				this.close();
 			}
 		}, 1000);
@@ -56,7 +56,7 @@ export class UserPreview {
 	@autobind
 	private close() {
 		if (this.promise) {
-			clearInterval(this.checkTimer);
+			window.clearInterval(this.checkTimer);
 			this.promise.cancel();
 			this.promise = null;
 		}
@@ -64,21 +64,21 @@ export class UserPreview {
 
 	@autobind
 	private onMouseover() {
-		clearTimeout(this.showTimer);
-		clearTimeout(this.hideTimer);
-		this.showTimer = setTimeout(this.show, 500);
+		window.clearTimeout(this.showTimer);
+		window.clearTimeout(this.hideTimer);
+		this.showTimer = window.setTimeout(this.show, 500);
 	}
 
 	@autobind
 	private onMouseleave() {
-		clearTimeout(this.showTimer);
-		clearTimeout(this.hideTimer);
-		this.hideTimer = setTimeout(this.close, 500);
+		window.clearTimeout(this.showTimer);
+		window.clearTimeout(this.hideTimer);
+		this.hideTimer = window.setTimeout(this.close, 500);
 	}
 
 	@autobind
 	private onClick() {
-		clearTimeout(this.showTimer);
+		window.clearTimeout(this.showTimer);
 		this.close();
 	}
 
@@ -94,7 +94,7 @@ export class UserPreview {
 		this.el.removeEventListener('mouseover', this.onMouseover);
 		this.el.removeEventListener('mouseleave', this.onMouseleave);
 		this.el.removeEventListener('click', this.onClick);
-		clearInterval(this.checkTimer);
+		window.clearInterval(this.checkTimer);
 	}
 }
 
diff --git a/packages/client/src/os.ts b/packages/client/src/os.ts
index e6dd4567f7..dd7fdea4bd 100644
--- a/packages/client/src/os.ts
+++ b/packages/client/src/os.ts
@@ -83,7 +83,7 @@ export function promiseDialog<T extends Promise<any>>(
 			onSuccess(res);
 		} else {
 			success.value = true;
-			setTimeout(() => {
+			window.setTimeout(() => {
 				showing.value = false;
 			}, 1000);
 		}
@@ -139,7 +139,7 @@ export async function popup(component: Component | typeof import('*.vue') | Prom
 	const id = ++popupIdCount;
 	const dispose = () => {
 		// このsetTimeoutが無いと挙動がおかしくなる(autocompleteが閉じなくなる)。Vueのバグ？
-		setTimeout(() => {
+		window.setTimeout(() => {
 			popups.value = popups.value.filter(popup => popup.id !== id);
 		}, 0);
 	};
@@ -329,7 +329,7 @@ export function select(props: {
 export function success() {
 	return new Promise((resolve, reject) => {
 		const showing = ref(true);
-		setTimeout(() => {
+		window.setTimeout(() => {
 			showing.value = false;
 		}, 1000);
 		popup(import('@/components/waiting-dialog.vue'), {
diff --git a/packages/client/src/pages/messaging/messaging-room.vue b/packages/client/src/pages/messaging/messaging-room.vue
index 1bcee01d29..9a34551ddd 100644
--- a/packages/client/src/pages/messaging/messaging-room.vue
+++ b/packages/client/src/pages/messaging/messaging-room.vue
@@ -162,7 +162,7 @@ const Component = defineComponent({
 				// もっと見るの交差検知を発火させないためにfetchは
 				// スクロールが終わるまでfalseにしておく
 				// scrollendのようなイベントはないのでsetTimeoutで
-				setTimeout(() => this.fetching = false, 300);
+				window.setTimeout(() => this.fetching = false, 300);
 			});
 		},
 
@@ -300,9 +300,9 @@ const Component = defineComponent({
 				this.showIndicator = false;
 			});
 
-			if (this.timer) clearTimeout(this.timer);
+			if (this.timer) window.clearTimeout(this.timer);
 
-			this.timer = setTimeout(() => {
+			this.timer = window.setTimeout(() => {
 				this.showIndicator = false;
 			}, 4000);
 		},
diff --git a/packages/client/src/pages/share.vue b/packages/client/src/pages/share.vue
index bdd8500ee4..5df6256fb2 100644
--- a/packages/client/src/pages/share.vue
+++ b/packages/client/src/pages/share.vue
@@ -169,7 +169,7 @@ export default defineComponent({
 			window.close();
 
 			// 閉じなければ100ms後タイムラインに
-			setTimeout(() => {
+			window.setTimeout(() => {
 				this.$router.push('/');
 			}, 100);
 		}
diff --git a/packages/client/src/pizzax.ts b/packages/client/src/pizzax.ts
index dbbbfc228a..fa35df5511 100644
--- a/packages/client/src/pizzax.ts
+++ b/packages/client/src/pizzax.ts
@@ -54,7 +54,7 @@ export class Storage<T extends StateDef> {
 
 		if ($i) {
 			// なぜかsetTimeoutしないとapi関数内でエラーになる(おそらく循環参照してることに原因がありそう)
-			setTimeout(() => {
+			window.setTimeout(() => {
 				api('i/registry/get-all', { scope: ['client', this.key] }).then(kvs => {
 					const cache = {};
 					for (const [k, v] of Object.entries(def)) {
diff --git a/packages/client/src/router.ts b/packages/client/src/router.ts
index 499afefbfe..ec48b76fdf 100644
--- a/packages/client/src/router.ts
+++ b/packages/client/src/router.ts
@@ -115,11 +115,11 @@ export const router = createRouter({
 		window._scroll = () => { // さらにHacky
 			if (to.name === 'index') {
 				window.scroll({ top: indexScrollPos, behavior: 'instant' });
-				const i = setInterval(() => {
+				const i = window.setInterval(() => {
 					window.scroll({ top: indexScrollPos, behavior: 'instant' });
 				}, 10);
-				setTimeout(() => {
-					clearInterval(i);
+				window.setTimeout(() => {
+					window.clearInterval(i);
 				}, 500);
 			} else {
 				window.scroll({ top: 0, behavior: 'instant' });
diff --git a/packages/client/src/scripts/physics.ts b/packages/client/src/scripts/physics.ts
index 445b6296eb..36e476b6f9 100644
--- a/packages/client/src/scripts/physics.ts
+++ b/packages/client/src/scripts/physics.ts
@@ -136,7 +136,7 @@ export function physics(container: HTMLElement) {
 	}
 
 	// 奈落に落ちたオブジェクトは消す
-	const intervalId = setInterval(() => {
+	const intervalId = window.setInterval(() => {
 		for (const obj of objs) {
 			if (obj.position.y > (containerHeight + 1024)) Matter.World.remove(world, obj);
 		}
@@ -146,7 +146,7 @@ export function physics(container: HTMLElement) {
 		stop: () => {
 			stop = true;
 			Matter.Runner.stop(runner);
-			clearInterval(intervalId);
+			window.clearInterval(intervalId);
 		}
 	};
 }
diff --git a/packages/client/src/scripts/theme.ts b/packages/client/src/scripts/theme.ts
index 3b7f003d0f..85c087331b 100644
--- a/packages/client/src/scripts/theme.ts
+++ b/packages/client/src/scripts/theme.ts
@@ -34,11 +34,11 @@ export const builtinThemes = [
 let timeout = null;
 
 export function applyTheme(theme: Theme, persist = true) {
-	if (timeout) clearTimeout(timeout);
+	if (timeout) window.clearTimeout(timeout);
 
 	document.documentElement.classList.add('_themeChanging_');
 
-	timeout = setTimeout(() => {
+	timeout = window.setTimeout(() => {
 		document.documentElement.classList.remove('_themeChanging_');
 	}, 1000);
 
diff --git a/packages/client/src/ui/deck/column.vue b/packages/client/src/ui/deck/column.vue
index d3c7cf8213..1982d92ad3 100644
--- a/packages/client/src/ui/deck/column.vue
+++ b/packages/client/src/ui/deck/column.vue
@@ -224,7 +224,7 @@ export default defineComponent({
 
 			// Chromeのバグで、Dragstartハンドラ内ですぐにDOMを変更する(=リアクティブなプロパティを変更する)とDragが終了してしまう
 			// SEE: https://stackoverflow.com/questions/19639969/html5-dragend-event-firing-immediately
-			setTimeout(() => {
+			window.setTimeout(() => {
 				this.dragging = true;
 			}, 10);
 		},
diff --git a/packages/client/src/widgets/calendar.vue b/packages/client/src/widgets/calendar.vue
index d16d3424b6..b0e3edcb12 100644
--- a/packages/client/src/widgets/calendar.vue
+++ b/packages/client/src/widgets/calendar.vue
@@ -104,9 +104,9 @@ const tick = () => {
 
 tick();
 
-const intervalId = setInterval(tick, 1000);
+const intervalId = window.setInterval(tick, 1000);
 onUnmounted(() => {
-	clearInterval(intervalId);
+	window.clearInterval(intervalId);
 });
 
 defineExpose<WidgetComponentExpose>({
diff --git a/packages/client/src/widgets/digital-clock.vue b/packages/client/src/widgets/digital-clock.vue
index 637b0368be..62f052a692 100644
--- a/packages/client/src/widgets/digital-clock.vue
+++ b/packages/client/src/widgets/digital-clock.vue
@@ -67,12 +67,12 @@ const tick = () => {
 tick();
 
 watch(() => widgetProps.showMs, () => {
-	if (intervalId) clearInterval(intervalId);
-	intervalId = setInterval(tick, widgetProps.showMs ? 10 : 1000);
+	if (intervalId) window.clearInterval(intervalId);
+	intervalId = window.setInterval(tick, widgetProps.showMs ? 10 : 1000);
 }, { immediate: true });
 
 onUnmounted(() => {
-	clearInterval(intervalId);
+	window.clearInterval(intervalId);
 });
 
 defineExpose<WidgetComponentExpose>({
diff --git a/packages/client/src/widgets/federation.vue b/packages/client/src/widgets/federation.vue
index 5d53b683b4..ed7350188e 100644
--- a/packages/client/src/widgets/federation.vue
+++ b/packages/client/src/widgets/federation.vue
@@ -66,9 +66,9 @@ const fetch = async () => {
 
 onMounted(() => {
 	fetch();
-	const intervalId = setInterval(fetch, 1000 * 60);
+	const intervalId = window.setInterval(fetch, 1000 * 60);
 	onUnmounted(() => {
-		clearInterval(intervalId);
+		window.clearInterval(intervalId);
 	});
 });
 
diff --git a/packages/client/src/widgets/memo.vue b/packages/client/src/widgets/memo.vue
index 3dfc6eb5fa..450598f65a 100644
--- a/packages/client/src/widgets/memo.vue
+++ b/packages/client/src/widgets/memo.vue
@@ -51,8 +51,8 @@ const saveMemo = () => {
 
 const onChange = () => {
 	changed.value = true;
-	clearTimeout(timeoutId);
-	timeoutId = setTimeout(saveMemo, 1000);
+	window.clearTimeout(timeoutId);
+	timeoutId = window.setTimeout(saveMemo, 1000);
 };
 
 watch(() => defaultStore.reactiveState.memo, newText => {
diff --git a/packages/client/src/widgets/online-users.vue b/packages/client/src/widgets/online-users.vue
index 2d47688697..1746a8314e 100644
--- a/packages/client/src/widgets/online-users.vue
+++ b/packages/client/src/widgets/online-users.vue
@@ -45,9 +45,9 @@ const tick = () => {
 
 onMounted(() => {
 	tick();
-	const intervalId = setInterval(tick, 1000 * 15);
+	const intervalId = window.setInterval(tick, 1000 * 15);
 	onUnmounted(() => {
-		clearInterval(intervalId);
+		window.clearInterval(intervalId);
 	});
 });
 
diff --git a/packages/client/src/widgets/rss.vue b/packages/client/src/widgets/rss.vue
index 7a2272d744..9e2e503602 100644
--- a/packages/client/src/widgets/rss.vue
+++ b/packages/client/src/widgets/rss.vue
@@ -62,9 +62,9 @@ watch(() => widgetProps.url, tick);
 
 onMounted(() => {
 	tick();
-	const intervalId = setInterval(tick, 60000);
+	const intervalId = window.setInterval(tick, 60000);
 	onUnmounted(() => {
-		clearInterval(intervalId);
+		window.clearInterval(intervalId);
 	});
 });
 
diff --git a/packages/client/src/widgets/slideshow.vue b/packages/client/src/widgets/slideshow.vue
index ac0c6c9e07..7b2e539685 100644
--- a/packages/client/src/widgets/slideshow.vue
+++ b/packages/client/src/widgets/slideshow.vue
@@ -59,7 +59,7 @@ const change = () => {
 	slideB.value.style.backgroundImage = img;
 
 	slideB.value.classList.add('anime');
-	setTimeout(() => {
+	window.setTimeout(() => {
 		// 既にこのウィジェットがunmountされていたら要素がない
 		if (slideA.value == null) return;
 
@@ -101,9 +101,9 @@ onMounted(() => {
 		fetch();
 	}
 
-	const intervalId = setInterval(change, 10000);
+	const intervalId = window.setInterval(change, 10000);
 	onUnmounted(() => {
-		clearInterval(intervalId);
+		window.clearInterval(intervalId);
 	});
 });
 
diff --git a/packages/client/src/widgets/trends.vue b/packages/client/src/widgets/trends.vue
index 3905daa673..5768a8d5d1 100644
--- a/packages/client/src/widgets/trends.vue
+++ b/packages/client/src/widgets/trends.vue
@@ -60,9 +60,9 @@ const fetch = () => {
 
 onMounted(() => {
 	fetch();
-	const intervalId = setInterval(fetch, 1000 * 60);
+	const intervalId = window.setInterval(fetch, 1000 * 60);
 	onUnmounted(() => {
-		clearInterval(intervalId);
+		window.clearInterval(intervalId);
 	});
 });