diff --git a/app/src/main/kotlin/jackall/moncalc/activity/MainActivity.kt b/app/src/main/kotlin/jackall/moncalc/activity/MainActivity.kt
index 352b493..c8a1050 100644
--- a/app/src/main/kotlin/jackall/moncalc/activity/MainActivity.kt
+++ b/app/src/main/kotlin/jackall/moncalc/activity/MainActivity.kt
@@ -4,6 +4,7 @@
 import android.databinding.DataBindingUtil
 import android.os.Bundle
 import android.support.v7.app.AppCompatActivity
+import com.google.android.gms.ads.AdSize
 import com.google.gson.Gson
 import com.google.gson.stream.JsonReader
 import io.realm.RealmList
@@ -107,6 +108,6 @@
 
     override fun onStart() {
         super.onStart()
-        AdUtil.startBannerAd(this, mainBinding.root.main_banner_layout, Const.BannerUnitId)
+        AdUtil.startBannerAd(this, mainBinding.root.main_banner_layout, AdSize.BANNER, Const.BannerUnitId)
     }
 }
\ No newline at end of file
diff --git a/app/src/main/kotlin/jackall/moncalc/service/MainService.kt b/app/src/main/kotlin/jackall/moncalc/service/MainService.kt
index 5665904..b074991 100644
--- a/app/src/main/kotlin/jackall/moncalc/service/MainService.kt
+++ b/app/src/main/kotlin/jackall/moncalc/service/MainService.kt
@@ -11,6 +11,7 @@
 import android.os.IBinder
 import android.support.v4.app.NotificationCompat
 import android.view.*
+import com.google.android.gms.ads.AdSize
 import jackall.moncalc.Const
 import jackall.moncalc.R
 import jackall.moncalc.activity.MainActivity
@@ -142,7 +143,7 @@
     }
 
     override fun showRegistView() {
-        AdUtil.startBannerAd(this, registBinding.overlayBannerLayout, Const.overlayBannerUnitId)
+        AdUtil.startBannerAd(this, registBinding.overlayBannerLayout, AdSize.BANNER, Const.overlayBannerUnitId)
         if (moveOverlayView.isShown) {
             windowManager.removeView(moveOverlayView)
         }
diff --git a/app/src/main/kotlin/jackall/moncalc/utils/AdUtil.kt b/app/src/main/kotlin/jackall/moncalc/utils/AdUtil.kt
index 5606939..3a40e38 100644
--- a/app/src/main/kotlin/jackall/moncalc/utils/AdUtil.kt
+++ b/app/src/main/kotlin/jackall/moncalc/utils/AdUtil.kt
@@ -6,18 +6,17 @@
 import com.google.android.gms.ads.AdSize
 import com.google.android.gms.ads.AdView
 import com.google.android.gms.ads.MobileAds
-import jackall.moncalc.Const
 
 /**
  * Created by matsumoto_k on 2017/11/06.
  */
 class AdUtil {
     companion object {
-        fun startBannerAd(context: Context, framelayout: FrameLayout, bannerUnitId: String) {
+        fun startBannerAd(context: Context, framelayout: FrameLayout, adSize: AdSize, bannerUnitId: String) {
             MobileAds.initialize(context)
             val adBannerView = AdView(context)
-            adBannerView.adSize = AdSize.BANNER
-            adBannerView.adUnitId = Const.overlayBannerUnitId
+            adBannerView.adSize = adSize
+            adBannerView.adUnitId = bannerUnitId
             framelayout.addView(adBannerView)
             val adBannerRequest = AdRequest.Builder().build()
             adBannerView.loadAd(adBannerRequest)