diff --git a/app/src/main/java/org/ntlab/irisclient/DrawingActivity.java b/app/src/main/java/org/ntlab/irisclient/DrawingActivity.java
index f7af557..28ad776 100644
--- a/app/src/main/java/org/ntlab/irisclient/DrawingActivity.java
+++ b/app/src/main/java/org/ntlab/irisclient/DrawingActivity.java
@@ -9,7 +9,9 @@
 import android.graphics.Color;
 import android.os.Bundle;
 import android.view.View;
+import android.view.WindowManager;
 import android.widget.CompoundButton;
+import android.widget.ImageButton;
 import android.widget.SeekBar;
 import android.widget.TextView;
 import android.widget.ToggleButton;
@@ -29,12 +31,16 @@
     private Integer drawingNow = 0;
     private Integer nowTime;
     private ToggleButton okToggleButton;
+    private ImageButton blackPen;
+    private ImageButton eraser;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_drawing);
 
+        //getWindow().addFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN);//ステータスバー非表示
+
         //Irisから必要な情報を取得
         Iris iris = (Iris) this.getApplication();
         Boolean bMaster = iris.isMaster();
@@ -43,8 +49,8 @@
         drawingStateViewModel= new ViewModelProvider(this).get(DrawingStateViewModel.class);
 
         findViewById(R.id.clearButton).setOnClickListener(this);//画面クリアボタン
-        findViewById(R.id.eraserButton).setOnClickListener(this);//消しゴムボタン
-        findViewById(R.id.blackPenButton).setOnClickListener(this);//消しゴムボタン
+        blackPen = findViewById(R.id.blackPenButton);
+        eraser = findViewById(R.id.eraserButton);
 
         //完了ボタン
         okToggleButton = (ToggleButton) findViewById(R.id.toggleButton);
@@ -72,12 +78,36 @@
             }
         });
 
+        TextView textPenSize =(TextView)findViewById(R.id.penSizeText);
+        TextView textAlpha =(TextView)findViewById(R.id.alphaText);
+        textPenSize.setText("サイズ: 10%");
+        textAlpha.setText("透明度: 255%");
+
         //筆の大きさを変えるシークバー
         SeekBar seekbar = findViewById(R.id.seekBar);
         seekbar.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
             @Override
             public void onProgressChanged(SeekBar seekBar, int i, boolean b) {//変更中
                 drawingCanvas.setPenWidth(i);
+                textPenSize.setText("サイズ: "+ i + "%");
+            }
+
+            @Override
+            public void onStartTrackingTouch(SeekBar seekBar) {//変更開始時
+            }
+
+            @Override
+            public void onStopTrackingTouch(SeekBar seekBar) {//変更終了時
+            }
+        });
+
+        //筆の透明度を変えるシークバー
+        SeekBar seekbar2 = findViewById(R.id.seekBar2);
+        seekbar2.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
+            @Override
+            public void onProgressChanged(SeekBar seekBar, int i, boolean b) {//変更中
+                drawingCanvas.setAlpha(i);
+                textAlpha.setText("透明度: "+ i + "%");
             }
 
             @Override
@@ -94,6 +124,7 @@
         TextView textMemberNum = (TextView)findViewById(R.id.drawingNowText);//残りのイラスト枚数のTextView
         TextView timerText = (TextView)findViewById(R.id.timerText);//TimerのTextView
 
+
         drawingCanvas = (DrawingCanvas) findViewById(R.id.drawingCanvas);
 
         //残りのイラスト枚数の表示
@@ -114,7 +145,7 @@
             @Override
             public void onChanged(Integer dno) {
                 String keyword = keywordList.get(dno);
-                textKeyword.setText("Dno: " + dno + ", Keyword: " + keyword);
+                textKeyword.setText(keyword);
                 drawingNow++;
                 textMemberNum.setText(""+drawingNow+"/"+drawingNum);
                 drawingCanvas.clearCanvas();
@@ -166,8 +197,11 @@
                 drawingCanvas.clearCanvas();
             } else if (v.getId() == R.id.eraserButton) {//eraserButtonが押されたときの処理
                 drawingCanvas.setColor(Color.WHITE);
+                eraser.setBackgroundResource(R.drawable.border);
+                blackPen.setBackgroundColor(Color.WHITE);
             } else if (v.getId() == R.id.blackPenButton) {
                 drawingCanvas.setColor(Color.BLACK);
+                blackPen.setBackgroundResource(R.drawable.border);
             }
         }
     }