diff --git a/popcorn/Assets/MyGame/Scenes/marketing/Scripts/CustomerFlow.cs b/popcorn/Assets/MyGame/Scenes/marketing/Scripts/CustomerFlow.cs
index f123b44a..60b95341 100644
--- a/popcorn/Assets/MyGame/Scenes/marketing/Scripts/CustomerFlow.cs
+++ b/popcorn/Assets/MyGame/Scenes/marketing/Scripts/CustomerFlow.cs
@@ -23,6 +23,9 @@ public class CustomerFlow : MonoBehaviour
     [Header("試食のお客さん出現間隔(秒)")]
     [SerializeField] private float tastingCustomerInterval = 5f;
 
+    public float TastingCustomerInterval => tastingCustomerInterval;
+    private int adActiveCount = 0;
+
     public IObservable<bool> Flow => walkerObservable.Merge(customerObservable, adWalkerObservable, tastingCustomerObservable);
     
     private void Awake()
@@ -66,8 +69,11 @@ public class CustomerFlow : MonoBehaviour
         }
 #endif
         // 試食
+        // tastingCustomerInterval毎にTastingCountを確認
         var tastingTimer = Observable.Interval(TimeSpan.FromSeconds(tastingCustomerInterval))
-            .Where(_ => GameDataManager.GameData.TastingCount > 0)
+            .Where(_ => adActiveCount <= 0) // 宣伝中判定
+            .Where(_ => GameDataManager.GameData.ShopStock.Count > 0) // 在庫ゼロ判定
+            .Where(_ => GameDataManager.GameData.TastingCount > 0) // 試食残り判定
             .Publish()
             .RefCount();
         // 試食残りカウントを減らす
@@ -84,8 +90,10 @@ public class CustomerFlow : MonoBehaviour
     {
         var timerObservable = AdWalkerTimer().Publish().RefCount();
         adStartObservable.OnNext(timerObservable);
+        adActiveCount++;
         timerObservable.Subscribe(_ => { }, () =>
         {
+            adActiveCount--;
             onComplete?.Invoke();
         }).AddTo(this);
     }