diff --git a/packages/frontend/src/store.ts b/packages/frontend/src/store.ts
index 3f1ab60525..f9ad50b30d 100644
--- a/packages/frontend/src/store.ts
+++ b/packages/frontend/src/store.ts
@@ -184,11 +184,11 @@ export const defaultStore = markRaw(new Storage('base', {
 	},
 	useBlurEffectForModal: {
 		where: 'device',
-		default: true,
+		default: !/mobile|iphone|android/.test(navigator.userAgent.toLowerCase()), // 循環参照するのでdevice-kind.tsは参照できない
 	},
 	useBlurEffect: {
 		where: 'device',
-		default: true,
+		default: !/mobile|iphone|android/.test(navigator.userAgent.toLowerCase()), // 循環参照するのでdevice-kind.tsは参照できない
 	},
 	showFixedPostForm: {
 		where: 'device',