diff --git a/popcorn/Assets/MyGame/Scenes/Cooking/Scripts/PopcornGameManager.cs b/popcorn/Assets/MyGame/Scenes/Cooking/Scripts/PopcornGameManager.cs
index fb38233b..dd39f273 100644
--- a/popcorn/Assets/MyGame/Scenes/Cooking/Scripts/PopcornGameManager.cs
+++ b/popcorn/Assets/MyGame/Scenes/Cooking/Scripts/PopcornGameManager.cs
@@ -122,18 +122,17 @@ public class PopcornGameManager : MonoBehaviour
         cornManager.SetCornsActive(true);
         compositeDisposable.Clear();
         cornManager.Result.SkipLatestValueOnSubscribe()
-            .FirstOrDefault()
-            .DelayFrame(1) // Disposeタイミング調整
+            .Take(1)
             .Subscribe(result =>
             {
                 state.Value = GameState.Result;
                 // リザルト表示遅延
-                this.CallWaitForSeconds(1.2f, () =>
+                Observable.Timer(TimeSpan.FromSeconds(1.2f)).Subscribe(_ =>
                 {
                     LocalCacheManager.Save(CookingResultDataTag, (rarityData, result, new Action(() => cornManager.SetCornsActive(false))));
                     LocalCacheManager.Save(RestartCallbackTag, new Action(ResetGame));
                     TransitionManager.Instance.LoadSceneAdditive(GameScenes.CookingResults);
-                });
+                }).AddTo(compositeDisposable);
             }).AddTo(compositeDisposable);
         
         // 画面タップでスタート