diff --git a/popcorn/Assets/PopcornGameManager.cs b/popcorn/Assets/PopcornGameManager.cs
index 580acab1..954aa133 100644
--- a/popcorn/Assets/PopcornGameManager.cs
+++ b/popcorn/Assets/PopcornGameManager.cs
@@ -113,7 +113,7 @@ public class PopcornGameManager : MonoBehaviour
                 characterFlower.gameObject.SetActive(false);
                 characterSweat.gameObject.SetActive(false);
                 // リザルト表示遅延
-                Observable.Timer(TimeSpan.FromMilliseconds(1000)).Subscribe(a =>
+                this.CallWaitForSeconds(1f, () =>
                 {
                     switch (x)
                     {
@@ -135,11 +135,12 @@ public class PopcornGameManager : MonoBehaviour
                         .DistinctUntilChanged()
                         .Skip(1)
                         .FirstOrDefault(b => b)
+                        .DelaySubscription(TimeSpan.FromSeconds(1f))
                         .Subscribe(_ =>
                         {
                             ResetGame();
                         }).AddTo(compositeDisposable);
-                }).AddTo(compositeDisposable);
+                });
             }).AddTo(compositeDisposable);
         
         this.UpdateAsObservable()