diff --git a/popcorn/Assets/PopcornGameManager.cs b/popcorn/Assets/PopcornGameManager.cs
index c162c21b..a8f9b56a 100644
--- a/popcorn/Assets/PopcornGameManager.cs
+++ b/popcorn/Assets/PopcornGameManager.cs
@@ -17,6 +17,7 @@ public class PopcornGameManager : MonoBehaviour
     private bool isProgress;
     private int gameCount;
     private int failCount;
+    private bool isPerfect;
     private readonly int maxGameCount = 3;
     private readonly int maxFailCount = 2;
 
@@ -44,6 +45,7 @@ public class PopcornGameManager : MonoBehaviour
     {
         gameCount = 0;
         failCount = 0;
+        isPerfect = true;
         powerMeter.StartMove();
         tapAction = () =>
         {
@@ -53,11 +55,8 @@ public class PopcornGameManager : MonoBehaviour
             var pos = powerMeter.GetCurrentPosisiton();
             Debug.Log($"tap! {pos}");
             // 判定
-            if (!CheckQuality(pos))
-            {
-                failCount++;
-            }
-            
+            CheckQuality(pos);
+
             this.CallWaitForSeconds(1f, () =>
             {
                 powerResultText.text = "";
@@ -84,6 +83,10 @@ public class PopcornGameManager : MonoBehaviour
                 if (gameCount >= maxGameCount)
                 {
                     gameResultText.text = "成功！";
+                    if (isPerfect)
+                    {
+                        gameResultText.text = "大成功！";
+                    }
                     powerMeter.gameObject.SetActive(false);
                     tapAction = () => { };
                     panController.enabled = false;
@@ -104,21 +107,24 @@ public class PopcornGameManager : MonoBehaviour
         };
     }
 
-    private bool CheckQuality(float pos)
+    private void CheckQuality(float pos)
     {
-        //Great=0.3
         //Perfect=0.45~0.5
-        powerResultText.text = "ミス！";
+        //Good=0.3
+        if (pos <= 0.05f)
+        {
+            powerResultText.text = "パーフェクト";
+            return;
+        }
         if (pos <= 0.2)
         {
             powerResultText.text = "グッド";
-            if (pos <= 0.05f)
-            {
-                powerResultText.text = "パーフェクト";    
-            }
-            return true;
+            isPerfect = false;
+            return;
         }
-        return false;
+        powerResultText.text = "ミス！";
+        isPerfect = false;
+        failCount++;
     }    
 
     // Update is called once per frame