diff --git a/packages/frontend/src/components/MkPageWindow.vue b/packages/frontend/src/components/MkPageWindow.vue
index aa4509b14b..7682452999 100644
--- a/packages/frontend/src/components/MkPageWindow.vue
+++ b/packages/frontend/src/components/MkPageWindow.vue
@@ -98,6 +98,15 @@ windowRouter.addListener('replace', ctx => {
 	history.value.push({ path: ctx.path, key: ctx.key });
 });
 
+windowRouter.navHook = (path) => {
+	const res = windowRouter.resolve(path);
+	if (res?.route.path === '/:(*)') {
+		window.open(path, '_blank', 'noopener');
+		return true;
+	}
+	return res ?? false;
+};
+
 windowRouter.init();
 
 provide('router', windowRouter);
diff --git a/packages/frontend/src/nirax.ts b/packages/frontend/src/nirax.ts
index 6a8ea09ed6..3157185041 100644
--- a/packages/frontend/src/nirax.ts
+++ b/packages/frontend/src/nirax.ts
@@ -100,7 +100,13 @@ export interface IRouter extends EventEmitter<RouterEvent> {
 	current: Resolved;
 	currentRef: ShallowRef<Resolved>;
 	currentRoute: ShallowRef<RouteDef>;
-	navHook: ((path: string, flag?: any) => boolean) | null;
+
+	/**
+	 * ナビゲーションフック
+	 *
+	 * `true`でナビゲーションをキャンセル、`false`またはResolvedオブジェクトでナビゲーションを続行
+	 */
+	navHook: ((path: string, flag?: any) => boolean | Resolved) | null;
 
 	/**
 	 * ルートの初期化（eventListenerの定義後に必ず呼び出すこと）
@@ -190,7 +196,7 @@ export class Router extends EventEmitter<RouterEvent> implements IRouter {
 	private currentKey = Date.now().toString();
 	private redirectCount = 0;
 
-	public navHook: ((path: string, flag?: any) => boolean) | null = null;
+	public navHook: ((path: string, flag?: any) => boolean | Resolved) | null = null;
 
 	constructor(routes: Router['routes'], currentPath: Router['currentPath'], isLoggedIn: boolean, notFoundPageComponent: Component) {
 		super();
@@ -403,11 +409,20 @@ export class Router extends EventEmitter<RouterEvent> implements IRouter {
 			this.emit('same');
 			return;
 		}
+
+		let res: Resolved | null = null;
 		if (this.navHook) {
-			const cancel = this.navHook(path, flag);
-			if (cancel) return;
+			const hookRes = this.navHook(path, flag);
+			if (hookRes === true) return;
+			if (hookRes !== false) {
+				res = hookRes;
+			}
 		}
-		const res = this.navigate(path, null);
+
+		if (res == null) {
+			res = this.navigate(path, null);
+		}
+
 		if (res.route.path === '/:(*)') {
 			location.href = path;
 		} else {
diff --git a/packages/frontend/src/ui/deck.vue b/packages/frontend/src/ui/deck.vue
index 14a08f50ba..b6f1b98774 100644
--- a/packages/frontend/src/ui/deck.vue
+++ b/packages/frontend/src/ui/deck.vue
@@ -134,7 +134,7 @@ const columnComponents = {
 	roleTimeline: XRoleTimelineColumn,
 };
 
-mainRouter.navHook = (path, flag): boolean => {
+mainRouter.navHook = (path, flag) => {
 	if (flag === 'forcePage') return false;
 	const noMainColumn = !deckStore.state.columns.some(x => x.type === 'main');
 	if (deckStore.state.navWindow || noMainColumn) {