diff --git a/app/src/main/res/layout/activity_launch.xml b/app/src/main/res/layout/activity_launch.xml
index 7ccbd4b..cc3237c 100644
--- a/app/src/main/res/layout/activity_launch.xml
+++ b/app/src/main/res/layout/activity_launch.xml
@@ -23,7 +23,7 @@
 
   <Button
       android:id="@+id/Newregistationbutton"
-      android:layout_width="300dp"
+      android:layout_width="350dp"
       android:layout_height="70dp"
       android:text="新規登録"
       android:textSize="20dp"
@@ -32,13 +32,19 @@
       app:layout_constraintHorizontal_bias="0.495"
       app:layout_constraintStart_toStartOf="parent"
       app:layout_constraintTop_toTopOf="parent"
-      app:layout_constraintVertical_bias="0.692" />
+      app:layout_constraintVertical_bias="0.692"
+      app:cornerRadius="0dp" />
 
   <Button
       android:id="@+id/Loginbutton"
-      android:layout_width="300dp"
+      android:layout_width="350dp"
       android:layout_height="70dp"
+      android:background="@android:color/transparent"
+      android:minWidth="0dp"
+      android:minHeight="0dp"
+      android:padding="0dp"
       android:text="ログイン"
+      android:textColor="#000000"
       android:textSize="20dp"
       app:layout_constraintBottom_toBottomOf="parent"
       app:layout_constraintEnd_toEndOf="parent"