diff --git a/packages/frontend/src/ui/_common_/navbar.vue b/packages/frontend/src/ui/_common_/navbar.vue
index bd5e0bba8a..234972e76d 100644
--- a/packages/frontend/src/ui/_common_/navbar.vue
+++ b/packages/frontend/src/ui/_common_/navbar.vue
@@ -9,12 +9,12 @@ SPDX-License-Identifier: AGPL-3.0-only
 		<div :class="$style.top">
 			<div :class="$style.banner" :style="{ backgroundImage: `url(${ instance.bannerUrl })` }"></div>
 			<button v-tooltip.noDelay.right="instance.name ?? i18n.ts.instance" class="_button" :class="$style.instance" @click="openInstanceMenu">
-				<img :src="instance.iconUrl || instance.faviconUrl || '/favicon.ico'" alt="" :class="$style.instanceIcon"/>
+				<img :src="instance.iconUrl || instance.faviconUrl || '/favicon.ico'" alt="" :class="$style.instanceIcon" style="viewTransitionName: navbar-serverIcon;"/>
 			</button>
 		</div>
 		<div :class="$style.middle">
 			<MkA v-tooltip.noDelay.right="i18n.ts.timeline" :class="$style.item" :activeClass="$style.active" to="/" exact>
-				<i :class="$style.itemIcon" class="ti ti-home ti-fw"></i><span :class="$style.itemText">{{ i18n.ts.timeline }}</span>
+				<i :class="$style.itemIcon" class="ti ti-home ti-fw" style="viewTransitionName: navbar-homeIcon;"></i><span :class="$style.itemText">{{ i18n.ts.timeline }}</span>
 			</MkA>
 			<template v-for="item in menu">
 				<div v-if="item === '-'" :class="$style.divider"></div>
@@ -28,7 +28,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 					:to="navbarItemDef[item].to"
 					v-on="navbarItemDef[item].action ? { click: navbarItemDef[item].action } : {}"
 				>
-					<i class="ti-fw" :class="[$style.itemIcon, navbarItemDef[item].icon]"></i><span :class="$style.itemText">{{ navbarItemDef[item].title }}</span>
+					<i class="ti-fw" :class="[$style.itemIcon, navbarItemDef[item].icon]" :style="{ viewTransitionName: 'navbar-item-' + item }"></i><span :class="$style.itemText">{{ navbarItemDef[item].title }}</span>
 					<span v-if="navbarItemDef[item].indicated" :class="$style.itemIndicator" class="_blink">
 						<span v-if="navbarItemDef[item].indicateValue" class="_indicateCounter" :class="$style.itemIndicateValueIcon">{{ navbarItemDef[item].indicateValue }}</span>
 						<i v-else class="_indicatorCircle"></i>
@@ -37,14 +37,14 @@ SPDX-License-Identifier: AGPL-3.0-only
 			</template>
 			<div :class="$style.divider"></div>
 			<MkA v-if="$i != null && ($i.isAdmin || $i.isModerator)" v-tooltip.noDelay.right="i18n.ts.controlPanel" :class="$style.item" :activeClass="$style.active" to="/admin">
-				<i :class="$style.itemIcon" class="ti ti-dashboard ti-fw"></i><span :class="$style.itemText">{{ i18n.ts.controlPanel }}</span>
+				<i :class="$style.itemIcon" class="ti ti-dashboard ti-fw" style="viewTransitionName: navbar-controlPanel;"></i><span :class="$style.itemText">{{ i18n.ts.controlPanel }}</span>
 			</MkA>
 			<button class="_button" :class="$style.item" @click="more">
-				<i :class="$style.itemIcon" class="ti ti-grid-dots ti-fw"></i><span :class="$style.itemText">{{ i18n.ts.more }}</span>
+				<i :class="$style.itemIcon" class="ti ti-grid-dots ti-fw" style="viewTransitionName: navbar-more;"></i><span :class="$style.itemText">{{ i18n.ts.more }}</span>
 				<span v-if="otherMenuItemIndicated" :class="$style.itemIndicator" class="_blink"><i class="_indicatorCircle"></i></span>
 			</button>
 			<MkA v-tooltip.noDelay.right="i18n.ts.settings" :class="$style.item" :activeClass="$style.active" to="/settings">
-				<i :class="$style.itemIcon" class="ti ti-settings ti-fw"></i><span :class="$style.itemText">{{ i18n.ts.settings }}</span>
+				<i :class="$style.itemIcon" class="ti ti-settings ti-fw" style="viewTransitionName: navbar-settings;"></i><span :class="$style.itemText">{{ i18n.ts.settings }}</span>
 			</MkA>
 		</div>
 		<div :class="$style.bottom">
@@ -52,7 +52,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 				<i class="ti ti-pencil ti-fw" :class="$style.postIcon"></i><span :class="$style.postText">{{ i18n.ts.note }}</span>
 			</button>
 			<button v-if="$i != null" v-tooltip.noDelay.right="`${i18n.ts.account}: @${$i.username}`" class="_button" :class="[$style.account]" @click="openAccountMenu">
-				<MkAvatar :user="$i" :class="$style.avatar"/><MkAcct class="_nowrap" :class="$style.acct" :user="$i"/>
+				<MkAvatar :user="$i" :class="$style.avatar" style="viewTransitionName: navbar-avatar;"/><MkAcct class="_nowrap" :class="$style.acct" :user="$i"/>
 			</button>
 		</div>
 	</div>
@@ -128,7 +128,13 @@ watch(store.r.menuDisplay, () => {
 });
 
 function toggleIconOnly() {
-	store.set('menuDisplay', iconOnly.value ? 'sideFull' : 'sideIcon');
+	if (document.startViewTransition && prefer.s.animation) {
+		document.startViewTransition(() => {
+			store.set('menuDisplay', iconOnly.value ? 'sideFull' : 'sideIcon');
+		});
+	} else {
+		store.set('menuDisplay', iconOnly.value ? 'sideFull' : 'sideIcon');
+	}
 }
 
 function openAccountMenu(ev: MouseEvent) {