diff --git a/app/src/main/java/org/ntlab/irisclient/DrawingActivity.java b/app/src/main/java/org/ntlab/irisclient/DrawingActivity.java
index f7af557..a4010c5 100644
--- a/app/src/main/java/org/ntlab/irisclient/DrawingActivity.java
+++ b/app/src/main/java/org/ntlab/irisclient/DrawingActivity.java
@@ -9,6 +9,7 @@
 import android.graphics.Color;
 import android.os.Bundle;
 import android.view.View;
+import android.view.WindowManager;
 import android.widget.CompoundButton;
 import android.widget.SeekBar;
 import android.widget.TextView;
@@ -35,6 +36,8 @@
         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();
@@ -72,12 +75,35 @@
             }
         });
 
+        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
@@ -114,7 +140,7 @@
             @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();
diff --git a/app/src/main/java/org/ntlab/irisclient/DrawingCanvas.java b/app/src/main/java/org/ntlab/irisclient/DrawingCanvas.java
index 4467a44..a5e7a4d 100644
--- a/app/src/main/java/org/ntlab/irisclient/DrawingCanvas.java
+++ b/app/src/main/java/org/ntlab/irisclient/DrawingCanvas.java
@@ -14,6 +14,8 @@
 
 import androidx.annotation.Nullable;
 
+import java.util.ArrayList;
+
 public class DrawingCanvas extends View {
 
     private Canvas canvas;
@@ -102,6 +104,11 @@
         paint.setColor(color);
     }
 
+    //筆の透明度を変更
+    public void setAlpha(int alpha){
+        paint.setAlpha(alpha);
+    }
+
     //筆の幅を変更
     public void setPenWidth(int size){
         paint.setStrokeWidth(size);
diff --git a/app/src/main/res/drawable/eraser.png b/app/src/main/res/drawable/eraser.png
new file mode 100644
index 0000000..2632152
--- /dev/null
+++ b/app/src/main/res/drawable/eraser.png
Binary files differ
diff --git a/app/src/main/res/drawable/pen.png b/app/src/main/res/drawable/pen.png
new file mode 100644
index 0000000..b904578
--- /dev/null
+++ b/app/src/main/res/drawable/pen.png
Binary files differ
diff --git a/app/src/main/res/layout/activity_drawing.xml b/app/src/main/res/layout/activity_drawing.xml
index 8c19528..42d07cf 100644
--- a/app/src/main/res/layout/activity_drawing.xml
+++ b/app/src/main/res/layout/activity_drawing.xml
@@ -8,124 +8,170 @@
 
     <org.ntlab.irisclient.DrawingCanvas
         android:id="@+id/drawingCanvas"
-        android:layout_width="479dp"
-        android:layout_height="320dp"
+        android:layout_width="500dp"
+        android:layout_height="310dp"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintHorizontal_bias="0.94"
+        app:layout_constraintHorizontal_bias="1"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toTopOf="parent"
-        app:layout_constraintVertical_bias="0.836" />
+        app:layout_constraintVertical_bias="1" />
 
     <Button
         android:id="@+id/clearButton"
-        android:layout_width="89dp"
-        android:layout_height="53dp"
+        android:layout_width="90dp"
+        android:layout_height="50dp"
         android:text="clear"
         app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintHorizontal_bias="0.119"
+        app:layout_constraintEnd_toStartOf="@+id/toggleButton"
+        app:layout_constraintHorizontal_bias="0.512"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toTopOf="parent"
-        app:layout_constraintVertical_bias="0.74" />
-
-    <Button
-        android:id="@+id/eraserButton"
-        android:layout_width="85dp"
-        android:layout_height="85dp"
-        android:text="消しゴム"
-        app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintHorizontal_bias="0.039"
-        app:layout_constraintStart_toEndOf="@+id/blackPenButton"
-        app:layout_constraintTop_toTopOf="parent"
-        app:layout_constraintVertical_bias="0.303" />
+        app:layout_constraintVertical_bias="0.933" />
 
     <TextView
         android:id="@+id/drawingNowText"
-        android:layout_width="87dp"
-        android:layout_height="45dp"
+        android:layout_width="95dp"
+        android:layout_height="51dp"
+        android:gravity="center_horizontal"
         android:text="test"
-        app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintEnd_toStartOf="@+id/keywordText"
-        app:layout_constraintHorizontal_bias="0.44"
+        android:textSize="25sp"
+        app:layout_constraintBottom_toTopOf="@+id/drawingCanvas"
+        app:layout_constraintEnd_toStartOf="@+id/drawingCanvas"
+        app:layout_constraintHorizontal_bias="0.558"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toTopOf="parent"
-        app:layout_constraintVertical_bias="0.043" />
+        app:layout_constraintVertical_bias="0.84" />
 
     <TextView
         android:id="@+id/timerText"
         android:layout_width="95dp"
         android:layout_height="51dp"
         android:layout_marginEnd="16dp"
+        android:gravity="center_horizontal"
         android:text="time"
-        app:layout_constraintBottom_toBottomOf="parent"
+        android:textSize="25sp"
+        app:layout_constraintBottom_toTopOf="@+id/drawingCanvas"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintTop_toTopOf="parent"
-        app:layout_constraintVertical_bias="0.041" />
+        app:layout_constraintVertical_bias="0.86" />
 
     <TextView
         android:id="@+id/keywordText"
         android:layout_width="375dp"
         android:layout_height="50dp"
         android:layout_marginStart="228dp"
+        android:gravity="center_horizontal"
         android:text="keyword"
-        app:layout_constraintBottom_toBottomOf="parent"
+        android:textSize="25sp"
+        app:layout_constraintBottom_toTopOf="@+id/drawingCanvas"
         app:layout_constraintEnd_toStartOf="@+id/timerText"
+        app:layout_constraintHorizontal_bias="0.166"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toTopOf="parent"
-        app:layout_constraintVertical_bias="0.044" />
+        app:layout_constraintVertical_bias="0.843" />
 
     <ToggleButton
         android:id="@+id/toggleButton"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
+        android:layout_width="90dp"
+        android:layout_height="50dp"
         android:checked="true"
         android:text="ToggleButton"
         android:textOff="描き直す"
         android:textOn="完了"
         app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintHorizontal_bias="0.119"
+        app:layout_constraintEnd_toStartOf="@+id/drawingCanvas"
+        app:layout_constraintHorizontal_bias="0.858"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toTopOf="parent"
-        app:layout_constraintVertical_bias="0.92" />
-
-    <Button
-        android:id="@+id/blackPenButton"
-        android:layout_width="85dp"
-        android:layout_height="85dp"
-        android:text="黒ペン"
-        app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintHorizontal_bias="0.039"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent"
-        app:layout_constraintVertical_bias="0.303" />
+        app:layout_constraintVertical_bias="0.933" />
 
     <TextView
         android:id="@+id/textView4"
-        android:layout_width="479dp"
-        android:layout_height="320dp"
+        android:layout_width="500dp"
+        android:layout_height="310dp"
         android:background="@drawable/border"
-        android:text="TextView"
         app:layout_constraintBottom_toBottomOf="@+id/drawingCanvas"
         app:layout_constraintEnd_toEndOf="@+id/drawingCanvas"
+        app:layout_constraintHorizontal_bias="1.0"
         app:layout_constraintStart_toStartOf="@+id/drawingCanvas"
-        app:layout_constraintTop_toTopOf="@+id/drawingCanvas" />
+        app:layout_constraintTop_toTopOf="@+id/drawingCanvas"
+        app:layout_constraintVertical_bias="1.0" />
 
     <SeekBar
         android:id="@+id/seekBar"
-        android:layout_width="185dp"
-        android:layout_height="58dp"
+        android:layout_width="170dp"
+        android:layout_height="50dp"
         android:max="100"
         android:min="10"
+        android:progress="10"
         app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintHorizontal_bias="0.056"
+        app:layout_constraintEnd_toStartOf="@+id/drawingCanvas"
+        app:layout_constraintHorizontal_bias="1.0"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toTopOf="parent"
-        app:layout_constraintVertical_bias="0.563" />
+        app:layout_constraintVertical_bias="0.578" />
+
+    <ImageButton
+        android:id="@+id/blackPenButton"
+        android:layout_width="90dp"
+        android:layout_height="90dp"
+        android:scaleType="fitXY"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toStartOf="@+id/eraserButton"
+        app:layout_constraintHorizontal_bias="0.516"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/drawingNowText"
+        app:layout_constraintVertical_bias="0.035"
+        app:srcCompat="@drawable/pen" />
+
+    <ImageButton
+        android:id="@+id/eraserButton"
+        android:layout_width="90dp"
+        android:layout_height="90dp"
+        android:layout_marginEnd="20dp"
+        android:scaleType="fitXY"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toStartOf="@+id/drawingCanvas"
+        app:layout_constraintTop_toBottomOf="@+id/drawingNowText"
+        app:layout_constraintVertical_bias="0.035"
+        app:srcCompat="@drawable/eraser" />
+
+    <SeekBar
+        android:id="@+id/seekBar2"
+        android:layout_width="170dp"
+        android:layout_height="50dp"
+        android:max="255"
+        android:min="10"
+        android:progress="255"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toStartOf="@+id/drawingCanvas"
+        app:layout_constraintHorizontal_bias="1.0"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/seekBar"
+        app:layout_constraintVertical_bias="0.156" />
+
+    <TextView
+        android:id="@+id/penSizeText"
+        android:layout_width="60dp"
+        android:layout_height="50dp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toStartOf="@+id/seekBar"
+        app:layout_constraintHorizontal_bias="1.0"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintVertical_bias="0.578" />
+
+    <TextView
+        android:id="@+id/alphaText"
+        android:layout_width="60dp"
+        android:layout_height="50dp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toStartOf="@+id/seekBar2"
+        app:layout_constraintHorizontal_bias="1.0"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintVertical_bias="0.761" />
 
 
 </androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file