diff --git a/app/src/main/res/layout/activity_login.xml b/app/src/main/res/layout/activity_login.xml
index 2fe6f9f..b6381cc 100644
--- a/app/src/main/res/layout/activity_login.xml
+++ b/app/src/main/res/layout/activity_login.xml
@@ -67,4 +67,14 @@
         app:layout_constraintTop_toTopOf="@+id/name"
         app:layout_constraintVertical_bias="0.0" />
 
+    <TextView
+        android:id="@+id/textView"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="※パスワードは8文字以上です"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
 </androidx.constraintlayout.widget.ConstraintLayout>
diff --git a/app/src/main/res/layout/activity_signup.xml b/app/src/main/res/layout/activity_signup.xml
index ae97e94..de3fd30 100644
--- a/app/src/main/res/layout/activity_signup.xml
+++ b/app/src/main/res/layout/activity_signup.xml
@@ -79,4 +79,14 @@
         app:layout_constraintTop_toBottomOf="@+id/passWord"
         app:layout_constraintVertical_bias="0.734" />
 
+    <TextView
+        android:id="@+id/textView2"
+        android:layout_width="67dp"
+        android:layout_height="10dp"
+        android:text="※パスワードは８文字以上です"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
 </androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file