diff --git a/app/src/main/java/org/ntlab/irisclient/DrawingCardFragment.java b/app/src/main/java/org/ntlab/irisclient/DrawingCardFragment.java
index f9fcd19..ab43f5a 100644
--- a/app/src/main/java/org/ntlab/irisclient/DrawingCardFragment.java
+++ b/app/src/main/java/org/ntlab/irisclient/DrawingCardFragment.java
@@ -13,7 +13,8 @@
 
 public class DrawingCardFragment extends Fragment {
 
-
+    private ImageButton[] imageButtons;
+    private Drawable[] images;
 
     // コンストラクタ
     public static DrawingCardFragment newInstance(String str){
@@ -31,7 +32,7 @@
         View view = inflater.inflate(R.layout.fragment_card_drawing,  container, false);
 
         // ImageButton16個の型を使いまわしやすいように配列で使用
-        ImageButton[] imageButtons = {
+        imageButtons = new ImageButton[]{
                 (ImageButton) view.findViewById(R.id.imageButton00),
                 (ImageButton) view.findViewById(R.id.imageButton01),
                 (ImageButton) view.findViewById(R.id.imageButton02),
@@ -51,7 +52,7 @@
         };
 
         // 16枚表示させるImage画像の配列
-        Drawable[] images = {
+        images = new Drawable[]{
                 resources.getDrawable(R.drawable.test02),
                 resources.getDrawable(R.drawable.test02),
                 resources.getDrawable(R.drawable.test02),
@@ -79,38 +80,11 @@
     }
 
     public void onClick(View v) {
-        if (v.getId() == R.id.imageButton00) {
-            Log.i("didTap", "imageButton00");
-        } else if (v.getId() == R.id.imageButton01) {
-            Log.i("didTap", "imageButton01");
-        } else if (v.getId() == R.id.imageButton02) {
-            Log.i("didTap", "imageButton02");
-        } else if (v.getId() == R.id.imageButton03) {
-            Log.i("didTap", "imageButton03");
-        } else if (v.getId() == R.id.imageButton10) {
-            Log.i("didTap", "imageButton10");
-        } else if (v.getId() == R.id.imageButton11) {
-            Log.i("didTap", "imageButton11");
-        } else if (v.getId() == R.id.imageButton12) {
-            Log.i("didTap", "imageButton12");
-        } else if (v.getId() == R.id.imageButton13) {
-            Log.i("didTap", "imageButton13");
-        } else if (v.getId() == R.id.imageButton20) {
-            Log.i("didTap", "imageButton20");
-        } else if (v.getId() == R.id.imageButton21) {
-            Log.i("didTap", "imageButton21");
-        } else if (v.getId() == R.id.imageButton22) {
-            Log.i("didTap", "imageButton22");
-        } else if (v.getId() == R.id.imageButton23) {
-            Log.i("didTap", "imageButton23");
-        } else if (v.getId() == R.id.imageButton30) {
-            Log.i("didTap", "imageButton30");
-        } else if (v.getId() == R.id.imageButton31) {
-            Log.i("didTap", "imageButton31");
-        } else if (v.getId() == R.id.imageButton32) {
-            Log.i("didTap", "imageButton32");
-        } else if (v.getId() == R.id.imageButton33) {
-            Log.i("didTap", "imageButton33");
+
+        for(int i=0; i< imageButtons.length; i++) {
+            if(v.getId() == imageButtons[i].getId())  {
+                System.out.println( "タップされたボタンの配列番号：" + i);
+            }
         }
 
     }