diff --git a/locales/index.d.ts b/locales/index.d.ts
index e99b278c8c..8bc073d1e5 100644
--- a/locales/index.d.ts
+++ b/locales/index.d.ts
@@ -982,6 +982,7 @@ export interface Locale {
     "unassign": string;
     "color": string;
     "manageCustomEmojis": string;
+    "manageAvatarDecorations": string;
     "youCannotCreateAnymore": string;
     "cannotPerformTemporary": string;
     "cannotPerformTemporaryDescription": string;
@@ -1575,6 +1576,7 @@ export interface Locale {
             "inviteLimitCycle": string;
             "inviteExpirationTime": string;
             "canManageCustomEmojis": string;
+            "canManageAvatarDecorations": string;
             "driveCapacity": string;
             "alwaysMarkNsfw": string;
             "pinMax": string;
diff --git a/locales/ja-JP.yml b/locales/ja-JP.yml
index 32877b806a..035cecd25a 100644
--- a/locales/ja-JP.yml
+++ b/locales/ja-JP.yml
@@ -979,6 +979,7 @@ assign: "アサイン"
 unassign: "アサインを解除"
 color: "色"
 manageCustomEmojis: "カスタム絵文字の管理"
+manageAvatarDecorations: "アバターデコレーションの管理"
 youCannotCreateAnymore: "これ以上作成することはできません。"
 cannotPerformTemporary: "一時的に利用できません"
 cannotPerformTemporaryDescription: "操作回数が制限を超過するため一時的に利用できません。しばらく時間を置いてから再度お試しください。"
@@ -1496,6 +1497,7 @@ _role:
     inviteLimitCycle: "招待コードの発行間隔"
     inviteExpirationTime: "招待コードの有効期限"
     canManageCustomEmojis: "カスタム絵文字の管理"
+    canManageAvatarDecorations: "アバターデコレーションの管理"
     driveCapacity: "ドライブ容量"
     alwaysMarkNsfw: "ファイルにNSFWを常に付与"
     pinMax: "ノートのピン留めの最大数"
diff --git a/packages/backend/src/core/RoleService.ts b/packages/backend/src/core/RoleService.ts
index ef05920d50..d6a414694a 100644
--- a/packages/backend/src/core/RoleService.ts
+++ b/packages/backend/src/core/RoleService.ts
@@ -32,6 +32,7 @@ export type RolePolicies = {
 	inviteLimitCycle: number;
 	inviteExpirationTime: number;
 	canManageCustomEmojis: boolean;
+	canManageAvatarDecorations: boolean;
 	canSearchNotes: boolean;
 	canUseTranslator: boolean;
 	canHideAds: boolean;
@@ -57,6 +58,7 @@ export const DEFAULT_POLICIES: RolePolicies = {
 	inviteLimitCycle: 60 * 24 * 7,
 	inviteExpirationTime: 0,
 	canManageCustomEmojis: false,
+	canManageAvatarDecorations: false,
 	canSearchNotes: false,
 	canUseTranslator: true,
 	canHideAds: false,
@@ -306,6 +308,7 @@ export class RoleService implements OnApplicationShutdown {
 			inviteLimitCycle: calc('inviteLimitCycle', vs => Math.max(...vs)),
 			inviteExpirationTime: calc('inviteExpirationTime', vs => Math.max(...vs)),
 			canManageCustomEmojis: calc('canManageCustomEmojis', vs => vs.some(v => v === true)),
+			canManageAvatarDecorations: calc('canManageAvatarDecorations', vs => vs.some(v => v === true)),
 			canSearchNotes: calc('canSearchNotes', vs => vs.some(v => v === true)),
 			canUseTranslator: calc('canUseTranslator', vs => vs.some(v => v === true)),
 			canHideAds: calc('canHideAds', vs => vs.some(v => v === true)),
diff --git a/packages/backend/src/server/api/endpoints/admin/avatar-decorations/create.ts b/packages/backend/src/server/api/endpoints/admin/avatar-decorations/create.ts
index c1869b141a..ec143fcb53 100644
--- a/packages/backend/src/server/api/endpoints/admin/avatar-decorations/create.ts
+++ b/packages/backend/src/server/api/endpoints/admin/avatar-decorations/create.ts
@@ -11,7 +11,7 @@ export const meta = {
 	tags: ['admin'],
 
 	requireCredential: true,
-	requireModerator: true,
+	requireRolePolicy: 'canManageAvatarDecorations',
 } as const;
 
 export const paramDef = {
diff --git a/packages/backend/src/server/api/endpoints/admin/avatar-decorations/delete.ts b/packages/backend/src/server/api/endpoints/admin/avatar-decorations/delete.ts
index 5aba24b426..6f1f386871 100644
--- a/packages/backend/src/server/api/endpoints/admin/avatar-decorations/delete.ts
+++ b/packages/backend/src/server/api/endpoints/admin/avatar-decorations/delete.ts
@@ -13,8 +13,7 @@ export const meta = {
 	tags: ['admin'],
 
 	requireCredential: true,
-	requireModerator: true,
-
+	requireRolePolicy: 'canManageAvatarDecorations',
 	errors: {
 	},
 } as const;
diff --git a/packages/backend/src/server/api/endpoints/admin/avatar-decorations/list.ts b/packages/backend/src/server/api/endpoints/admin/avatar-decorations/list.ts
index 9a32a59081..d9c669377d 100644
--- a/packages/backend/src/server/api/endpoints/admin/avatar-decorations/list.ts
+++ b/packages/backend/src/server/api/endpoints/admin/avatar-decorations/list.ts
@@ -16,7 +16,7 @@ export const meta = {
 	tags: ['admin'],
 
 	requireCredential: true,
-	requireModerator: true,
+	requireRolePolicy: 'canManageAvatarDecorations',
 
 	res: {
 		type: 'array',
diff --git a/packages/backend/src/server/api/endpoints/admin/avatar-decorations/update.ts b/packages/backend/src/server/api/endpoints/admin/avatar-decorations/update.ts
index 564014a3df..5ea9a40762 100644
--- a/packages/backend/src/server/api/endpoints/admin/avatar-decorations/update.ts
+++ b/packages/backend/src/server/api/endpoints/admin/avatar-decorations/update.ts
@@ -13,7 +13,7 @@ export const meta = {
 	tags: ['admin'],
 
 	requireCredential: true,
-	requireModerator: true,
+	requireRolePolicy: 'canManageAvatarDecorations',
 
 	errors: {
 	},
diff --git a/packages/frontend/src/const.ts b/packages/frontend/src/const.ts
index 3998df9efe..b3071fd924 100644
--- a/packages/frontend/src/const.ts
+++ b/packages/frontend/src/const.ts
@@ -66,6 +66,7 @@ export const ROLE_POLICIES = [
 	'inviteLimitCycle',
 	'inviteExpirationTime',
 	'canManageCustomEmojis',
+	'canManageAvatarDecorations',
 	'canSearchNotes',
 	'canUseTranslator',
 	'canHideAds',
diff --git a/packages/frontend/src/pages/admin/index.vue b/packages/frontend/src/pages/admin/index.vue
index b304edbf57..2bb1e80c18 100644
--- a/packages/frontend/src/pages/admin/index.vue
+++ b/packages/frontend/src/pages/admin/index.vue
@@ -118,7 +118,7 @@ const menuDef = $computed(() => [{
 	}, {
 		icon: 'ti ti-sparkles',
 		text: i18n.ts.avatarDecorations,
-		to: '/admin/avatar-decorations',
+		to: '/avatar-decorations',
 		active: currentPage?.route.name === 'avatarDecorations',
 	}, {
 		icon: 'ti ti-whirl',
diff --git a/packages/frontend/src/pages/admin/roles.editor.vue b/packages/frontend/src/pages/admin/roles.editor.vue
index 89dd7d4c7c..1db99e61f4 100644
--- a/packages/frontend/src/pages/admin/roles.editor.vue
+++ b/packages/frontend/src/pages/admin/roles.editor.vue
@@ -259,6 +259,26 @@ SPDX-License-Identifier: AGPL-3.0-only
 				</div>
 			</MkFolder>
 
+			<MkFolder v-if="matchQuery([i18n.ts._role._options.canManageAvatarDecorations, 'canManageAvatarDecorations'])">
+				<template #label>{{ i18n.ts._role._options.canManageAvatarDecorations }}</template>
+				<template #suffix>
+					<span v-if="role.policies.canManageAvatarDecorations.useDefault" :class="$style.useDefaultLabel">{{ i18n.ts._role.useBaseValue }}</span>
+					<span v-else>{{ role.policies.canManageAvatarDecorations.value ? i18n.ts.yes : i18n.ts.no }}</span>
+					<span :class="$style.priorityIndicator"><i :class="getPriorityIcon(role.policies.canManageAvatarDecorations)"></i></span>
+				</template>
+				<div class="_gaps">
+					<MkSwitch v-model="role.policies.canManageAvatarDecorations.useDefault" :readonly="readonly">
+						<template #label>{{ i18n.ts._role.useBaseValue }}</template>
+					</MkSwitch>
+					<MkSwitch v-model="role.policies.canManageAvatarDecorations.value" :disabled="role.policies.canManageAvatarDecorations.useDefault" :readonly="readonly">
+						<template #label>{{ i18n.ts.enable }}</template>
+					</MkSwitch>
+					<MkRange v-model="role.policies.canManageAvatarDecorations.priority" :min="0" :max="2" :step="1" easing :textConverter="(v) => v === 0 ? i18n.ts._role._priority.low : v === 1 ? i18n.ts._role._priority.middle : v === 2 ? i18n.ts._role._priority.high : ''">
+						<template #label>{{ i18n.ts._role.priority }}</template>
+					</MkRange>
+				</div>
+			</MkFolder>
+			
 			<MkFolder v-if="matchQuery([i18n.ts._role._options.canSearchNotes, 'canSearchNotes'])">
 				<template #label>{{ i18n.ts._role._options.canSearchNotes }}</template>
 				<template #suffix>
diff --git a/packages/frontend/src/pages/admin/roles.vue b/packages/frontend/src/pages/admin/roles.vue
index 74de9f7396..d3f3773564 100644
--- a/packages/frontend/src/pages/admin/roles.vue
+++ b/packages/frontend/src/pages/admin/roles.vue
@@ -79,6 +79,14 @@ SPDX-License-Identifier: AGPL-3.0-only
 							</MkInput>
 						</MkFolder>
 
+						<MkFolder v-if="matchQuery([i18n.ts._role._options.canManageAvatarDecorations, 'canManageAvatarDecorations'])">
+							<template #label>{{ i18n.ts._role._options.canManageAvatarDecorations }}</template>
+							<template #suffix>{{ policies.canManageAvatarDecorations ? i18n.ts.yes : i18n.ts.no }}</template>
+							<MkSwitch v-model="policies.canManageAvatarDecorations">
+								<template #label>{{ i18n.ts.enable }}</template>
+							</MkSwitch>
+						</MkFolder>
+
 						<MkFolder v-if="matchQuery([i18n.ts._role._options.canManageCustomEmojis, 'canManageCustomEmojis'])">
 							<template #label>{{ i18n.ts._role._options.canManageCustomEmojis }}</template>
 							<template #suffix>{{ policies.canManageCustomEmojis ? i18n.ts.yes : i18n.ts.no }}</template>
diff --git a/packages/frontend/src/pages/admin/avatar-decorations.vue b/packages/frontend/src/pages/avatar-decorations.vue
similarity index 96%
rename from packages/frontend/src/pages/admin/avatar-decorations.vue
rename to packages/frontend/src/pages/avatar-decorations.vue
index b4007e6d20..715f234493 100644
--- a/packages/frontend/src/pages/admin/avatar-decorations.vue
+++ b/packages/frontend/src/pages/avatar-decorations.vue
@@ -5,7 +5,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 
 <template>
 <MkStickyContainer>
-	<template #header><XHeader :actions="headerActions" :tabs="headerTabs"/></template>
+	<template #header><MkPageHeader v-model:tab="tab" :actions="headerActions" :tabs="headerTabs"/></template>
 	<MkSpacer :contentMax="900">
 		<div class="_gaps">
 			<MkFolder v-for="avatarDecoration in avatarDecorations" :key="avatarDecoration.id ?? avatarDecoration._id" :defaultOpen="avatarDecoration.id == null">
@@ -35,7 +35,6 @@ SPDX-License-Identifier: AGPL-3.0-only
 
 <script lang="ts" setup>
 import { } from 'vue';
-import XHeader from './_header_.vue';
 import MkButton from '@/components/MkButton.vue';
 import MkInput from '@/components/MkInput.vue';
 import MkTextarea from '@/components/MkTextarea.vue';
diff --git a/packages/frontend/src/router.ts b/packages/frontend/src/router.ts
index e73532f6b2..ef0f5343bb 100644
--- a/packages/frontend/src/router.ts
+++ b/packages/frontend/src/router.ts
@@ -313,6 +313,10 @@ export const routes = [{
 }, {
 	path: '/custom-emojis-manager',
 	component: page(() => import('./pages/custom-emojis-manager.vue')),
+}, {
+	path: '/avatar-decorations',
+	name: 'avatarDecorations',
+	component: page(() => import('./pages/avatar-decorations.vue')),
 }, {
 	path: '/registry/keys/system/:path(*)?',
 	component: page(() => import('./pages/registry.keys.vue')),
@@ -350,7 +354,7 @@ export const routes = [{
 	}, {
 		path: '/avatar-decorations',
 		name: 'avatarDecorations',
-		component: page(() => import('./pages/admin/avatar-decorations.vue')),
+		component: page(() => import('./pages/avatar-decorations.vue')),
 	}, {
 		path: '/queue',
 		name: 'queue',
diff --git a/packages/frontend/src/ui/_common_/common.ts b/packages/frontend/src/ui/_common_/common.ts
index e075e05db3..125d340fe7 100644
--- a/packages/frontend/src/ui/_common_/common.ts
+++ b/packages/frontend/src/ui/_common_/common.ts
@@ -67,6 +67,11 @@ export function openInstanceMenu(ev: MouseEvent) {
 			to: '/custom-emojis-manager',
 			text: i18n.ts.manageCustomEmojis,
 			icon: 'ti ti-icons',
+		} : undefined, ($i && ($i.isAdmin || $i.policies.canManageAvatarDecorations)) ? {
+			type: 'link',
+			to: '/avatar-decorations',
+			text: i18n.ts.manageAvatarDecorations,
+			icon: 'ti ti-sparkles',
 		} : undefined],
 	}, null, (instance.impressumUrl) ? {
 		text: i18n.ts.impressum,