diff --git a/app/src/main/java/org/ntlab/acanthus_client/views/animation/AnimationActivity.java b/app/src/main/java/org/ntlab/acanthus_client/views/animation/AnimationActivity.java
index 242a3b8..3be698a 100644
--- a/app/src/main/java/org/ntlab/acanthus_client/views/animation/AnimationActivity.java
+++ b/app/src/main/java/org/ntlab/acanthus_client/views/animation/AnimationActivity.java
@@ -49,6 +49,7 @@
     private Button buttonDetail;
     private Button buttonSkip;
     private Button buttonBack;
+    private Button buttonVisible;
 
 
     //animationCanvasの表示
@@ -56,7 +57,7 @@
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_animation);
-        //animationCanvas = this.findViewById(R.id.animationMyCanvas);
+        animationCanvas = this.findViewById(R.id.animationMyCanvas);
         init();
 
         //intentでHomeFragmentから渡されたanimation情報を取得
@@ -131,13 +132,11 @@
                 startActivity(intent);
             }
         });
-    }
-    //Activity内のボタンの表示/非表示
-    @Override
-    public boolean onTouchEvent(MotionEvent motionEvent) {
-        switch (motionEvent.getAction()){
-            case MotionEvent.ACTION_DOWN:
-                //画面タップで表示されてたら非表示にする。
+
+        //Activity内のボタンの表示/非表示
+        buttonVisible = findViewById(R.id.button_visible);
+        buttonVisible.setOnClickListener(new View.OnClickListener(){
+            public void onClick(View v) {
                 if(buttonView) {
                     buttonReset.setVisibility(View.INVISIBLE);
                     buttonPlayback.setVisibility(View.INVISIBLE);
@@ -158,10 +157,40 @@
 
                     buttonView = true;
                 }
-        }
-        return false;
+            }
+        });
     }
 
+    //Activity内のボタンの表示/非表示
+//    @Override
+//    public boolean onTouchEvent(MotionEvent motionEvent) {
+//        switch (motionEvent.getAction()){
+//            case MotionEvent.ACTION_DOWN:
+//                //画面タップで表示されてたら非表示にする。
+//                if(buttonView) {
+//                    buttonReset.setVisibility(View.INVISIBLE);
+//                    buttonPlayback.setVisibility(View.INVISIBLE);
+//                    buttonDetail.setVisibility(View.INVISIBLE);
+//                    buttonClose.setVisibility(View.INVISIBLE);
+//                    buttonSkip.setVisibility(View.INVISIBLE);
+//                    buttonBack.setVisibility(View.INVISIBLE);
+//
+//                    buttonView = false;
+//                }
+//                else {
+//                    buttonReset.setVisibility(View.VISIBLE);
+//                    buttonPlayback.setVisibility(View.VISIBLE);
+//                    buttonDetail.setVisibility(View.VISIBLE);
+//                    buttonClose.setVisibility(View.VISIBLE);
+//                    buttonSkip.setVisibility(View.VISIBLE);
+//                    buttonBack.setVisibility(View.VISIBLE);
+//
+//                    buttonView = true;
+//                }
+//        }
+//        return false;
+//    }
+
 
     ////////////////////////////////////////////////////////////////////////////
     //以下アニメーション操作画面
diff --git a/app/src/main/res/layout/activity_animation.xml b/app/src/main/res/layout/activity_animation.xml
index c325be8..bc38433 100644
--- a/app/src/main/res/layout/activity_animation.xml
+++ b/app/src/main/res/layout/activity_animation.xml
@@ -97,13 +97,27 @@
 
     <WebView
         android:id="@+id/animationWebview"
-        android:layout_width="415dp"
-        android:layout_height="733dp"
+        android:layout_width="412dp"
+        android:layout_height="734dp"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.054"
         app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent">
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintVertical_bias="0.947">
 
     </WebView>
 
+    <Button
+        android:id="@+id/button_visible"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="visible"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.517"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintVertical_bias="0.193" />
+
 </androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file