diff --git a/.idea/misc.xml b/.idea/misc.xml
index af953e4..0d5cfb3 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -5,6 +5,10 @@
       <map>
         <entry key="..\:/Users/Nitta/AndroidStudioProjects/IrisClient/app/src/main/res/layout/activity_main.xml" value="0.20969202898550723" />
         <entry key="..\:/Users/Nitta/StudioProjects/IrisClient/app/src/main/res/layout/activity_main.xml" value="0.266304347826087" />
+        <entry key="..\:/Users/Student/StudioProjects/IrisClient/app/src/main/res/layout/activity_game_master.xml" value="0.3171875" />
+        <entry key="..\:/Users/Student/StudioProjects/IrisClient/app/src/main/res/layout/activity_master_game.xml" value="0.3171875" />
+        <entry key="..\:/Users/Student/StudioProjects/IrisClient/app/src/main/res/layout/activity_member_game.xml" value="0.4015625" />
+        <entry key="..\:/Users/Student/StudioProjects/IrisClient/app/src/main/res/layout/fragment_card_drawing.xml" value="0.4015625" />
         <entry key="..\:/Users/student/Desktop/IrisClient/app/src/main/res/layout-land/activity_main.xml" value="0.1574074074074074" />
         <entry key="..\:/Users/student/Desktop/IrisClient/app/src/main/res/layout/activity_create_room.xml" value="0.17571611799914494" />
         <entry key="..\:/Users/student/Desktop/IrisClient/app/src/main/res/layout/activity_enter_room.xml" value="0.17571611799914494" />
@@ -13,7 +17,6 @@
         <entry key="..\:/Users/student/Desktop/IrisClient/app/src/main/res/layout/activity_owner_room.xml" value="0.17571611799914494" />
         <entry key="..\:/Users/student/Desktop/IrisClient/app/src/main/res/layout/fragment_first.xml" value="0.15433946130825138" />
         <entry key="..\:/Users/student/Desktop/IrisClient/app/src/main/res/layout/recycler_view_item.xml" value="0.17571611799914494" />
-        <entry key="..\:/Users/student/StudioProjects/IrisClient/app/src/main/res/drawable/frame_style.xml" value="0.285" />
         <entry key="..\:/Users/student/StudioProjects/IrisClient/app/src/main/res/layout-land/activity_main.xml" value="0.31040564373897706" />
         <entry key="..\:/Users/student/StudioProjects/IrisClient/app/src/main/res/layout-sw600dp/activity_main.xml" value="0.2189207650273224" />
         <entry key="..\:/Users/student/StudioProjects/IrisClient/app/src/main/res/layout/activity_create_room.xml" value="0.29030797101449274" />
@@ -23,9 +26,6 @@
         <entry key="..\:/Users/student/StudioProjects/IrisClient/app/src/main/res/layout/activity_main.xml" value="0.29030797101449274" />
         <entry key="..\:/Users/student/StudioProjects/IrisClient/app/src/main/res/layout/activity_member_room.xml" value="0.36614583333333334" />
         <entry key="..\:/Users/student/StudioProjects/IrisClient/app/src/main/res/layout/activity_owner_room.xml" value="0.36614583333333334" />
-        <entry key="..\:/Users/student/StudioProjects/IrisClient/app/src/main/res/layout/fragment_card_drawing.xml" value="0.4981481481481482" />
-        <entry key="..\:/Users/student/StudioProjects/IrisClient/app/src/main/res/layout/frame_style.xml" value="0.2796875" />
-        <entry key="..\:/Users/student/StudioProjects/IrisClient/app/src/main/res/layout/recycler_view_item.xml" value="0.28072916666666664" />
         <entry key="..\:/Users/totos/StudioProjects/IrisClient/app/src/main/res/layout/activity_drawing.xml" value="0.25" />
         <entry key="..\:/Users/totos/StudioProjects/IrisClient/app/src/main/res/layout/activity_member_room.xml" value="0.33" />
       </map>
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 4c139bc..39be663 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="org.ntlab.irisclient">
+    package="org.ntlab.irisclient" >
 
     <uses-permission android:name="android.permission.INTERNET" />
     <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
@@ -14,7 +14,10 @@
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
         android:theme="@style/Theme.IrisClient"
-        android:usesCleartextTraffic="true">
+        android:usesCleartextTraffic="true" >
+        <activity
+            android:name=".GameMasterActivity"
+            android:exported="false" />
         <activity
             android:name=".GameMemberActivity"
             android:exported="false" />
@@ -48,12 +51,10 @@
             android:name=".DrawingActivity"
             android:exported="true"
             android:screenOrientation="landscape" />
-
         <activity
             android:name=".TestEnterActivity"
             android:exported="true"
             android:screenOrientation="landscape" />
-
         <activity
             android:name=".TestDrawingActivity"
             android:exported="true"
@@ -62,9 +63,6 @@
             android:name=".TestGameActivity"
             android:exported="true"
             android:screenOrientation="landscape" />
-
-
-
     </application>
 
 </manifest>
\ No newline at end of file
diff --git a/app/src/main/java/org/ntlab/irisclient/GameMasterActivity.java b/app/src/main/java/org/ntlab/irisclient/GameMasterActivity.java
new file mode 100644
index 0000000..afdd7ee
--- /dev/null
+++ b/app/src/main/java/org/ntlab/irisclient/GameMasterActivity.java
@@ -0,0 +1,14 @@
+package org.ntlab.irisclient;
+
+import androidx.appcompat.app.AppCompatActivity;
+
+import android.os.Bundle;
+
+public class GameMasterActivity extends AppCompatActivity {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_game_master);
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/res/layout/activity_game_master.xml b/app/src/main/res/layout/activity_game_master.xml
new file mode 100644
index 0000000..bc4540f
--- /dev/null
+++ b/app/src/main/res/layout/activity_game_master.xml
@@ -0,0 +1,100 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".GameMasterActivity">
+
+    <Button
+        android:id="@+id/finishGuessButton"
+        android:layout_width="159dp"
+        android:layout_height="38dp"
+        android:text="推測終了"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toEndOf="@+id/timeTextView" />
+
+    <Button
+        android:id="@+id/button23"
+        android:layout_width="46dp"
+        android:layout_height="54dp"
+        android:layout_marginStart="684dp"
+        android:layout_marginBottom="352dp"
+        android:text="横にゅるん"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintStart_toStartOf="parent" />
+
+    <ImageButton
+        android:id="@+id/button21"
+        android:layout_width="46dp"
+        android:layout_height="54dp"
+        android:layout_marginTop="68dp"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+    <ImageButton
+        android:id="@+id/button22"
+        android:layout_width="46dp"
+        android:layout_height="54dp"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/button20" />
+
+    <ImageButton
+        android:id="@+id/button20"
+        android:layout_width="46dp"
+        android:layout_height="54dp"
+        android:layout_marginBottom="220dp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/button21" />
+
+    <TextView
+        android:id="@+id/timeTextView"
+        android:layout_width="131dp"
+        android:layout_height="35dp"
+        android:gravity="center_horizontal"
+        android:text="00 : 00"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent" />
+
+    <TextView
+        android:id="@+id/hintTextView"
+        android:layout_width="450dp"
+        android:layout_height="30dp"
+        android:autoSizeTextType="uniform"
+        android:background="@drawable/frame_style"
+        android:gravity="center_horizontal"
+        android:text="ヒントの内容をここに表示"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.498"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/textView10" />
+
+    <TextView
+        android:id="@+id/textView10"
+        android:layout_width="71dp"
+        android:layout_height="18dp"
+        android:layout_marginTop="16dp"
+        android:gravity="center_horizontal"
+        android:text="ヒント"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.146"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+    <include
+        layout="@layout/fragment_card_drawing"
+        android:layout_width="490dp"
+        android:layout_height="272dp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.497"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintVertical_bias="0.64" />
+
+
+
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file