diff --git a/app/src/main/res/layout/activity_game_master.xml b/app/src/main/res/layout/activity_game_master.xml
index dd4755a..8db564d 100644
--- a/app/src/main/res/layout/activity_game_master.xml
+++ b/app/src/main/res/layout/activity_game_master.xml
@@ -48,6 +48,7 @@
         android:ems="10"
         android:hint="ヒントを入力"
         android:inputType="textPersonName"
+        android:maxLength="10"
         app:layout_constraintBottom_toTopOf="@+id/include"
         app:layout_constraintEnd_toStartOf="@+id/GameHintMax"
         app:layout_constraintHorizontal_bias="0.5"
@@ -64,7 +65,8 @@
         android:layout_marginBottom="23dp"
         android:ems="10"
         android:hint="数"
-        android:inputType="textPersonName"
+        android:inputType="number"
+        android:maxLength="1"
         app:layout_constraintBottom_toTopOf="@+id/include"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintHorizontal_bias="0.5"