diff --git a/app/src/main/res/layout/characters_fragment.xml b/app/src/main/res/layout/characters_fragment.xml
index 79e4fe8..bfaa80a 100644
--- a/app/src/main/res/layout/characters_fragment.xml
+++ b/app/src/main/res/layout/characters_fragment.xml
@@ -1,39 +1,50 @@
 <?xml version="1.0" encoding="utf-8"?>
-<android.support.constraint.ConstraintLayout
-    xmlns:android="http://schemas.android.com/apk/res/android"
+<android.support.constraint.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:id="@+id/CharactersFragment"
     android:layout_width="match_parent"
     android:layout_height="match_parent">
 
     <Button
-        android:id="@+id/chooseInstances"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:text="ワールド選択へ"
-        tools:layout_editor_absoluteX="148dp"
-        tools:layout_editor_absoluteY="367dp" />
-
-    <Button
         android:id="@+id/button"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
+        android:layout_marginLeft="55dp"
+        android:layout_marginStart="55dp"
         android:text="Jyaian"
-        tools:layout_editor_absoluteX="148dp"
-        tools:layout_editor_absoluteY="218dp" />
+        app:layout_constraintBaseline_toBaselineOf="@+id/button2"
+        app:layout_constraintStart_toEndOf="@+id/button2" />
 
     <Button
         android:id="@+id/button3"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
+        android:layout_marginLeft="58dp"
+        android:layout_marginStart="58dp"
         android:text="DORAEMON"
-        tools:layout_editor_absoluteX="266dp"
-        tools:layout_editor_absoluteY="218dp" />
+        app:layout_constraintBaseline_toBaselineOf="@+id/button"
+        app:layout_constraintStart_toEndOf="@+id/button" />
 
     <Button
         android:id="@+id/button2"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
+        android:layout_marginLeft="25dp"
+        android:layout_marginStart="25dp"
+        android:layout_marginTop="64dp"
         android:text="Nobita"
-        tools:layout_editor_absoluteX="27dp"
-        tools:layout_editor_absoluteY="218dp" />
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+    <Button
+        android:id="@+id/chooseInstances"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginBottom="82dp"
+        android:layout_marginLeft="26dp"
+        android:layout_marginStart="26dp"
+        android:text="ワールド選択へ"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintStart_toStartOf="parent" />
 </android.support.constraint.ConstraintLayout>
\ No newline at end of file