diff --git a/app/src/main/res/drawable/blue_circle_button.xml b/app/src/main/res/drawable/blue_circle_button.xml
index e007807..182023f 100644
--- a/app/src/main/res/drawable/blue_circle_button.xml
+++ b/app/src/main/res/drawable/blue_circle_button.xml
@@ -2,5 +2,5 @@
 <shape xmlns:android="http://schemas.android.com/apk/res/android"
     android:shape="oval">
     <solid
-        android:color="@color/purple_200"/>
+        android:color="@color/design_default_color_secondary"/>
 </shape>
diff --git a/app/src/main/res/layout/activity_mypage.xml b/app/src/main/res/layout/activity_mypage.xml
index 956e605..c338201 100644
--- a/app/src/main/res/layout/activity_mypage.xml
+++ b/app/src/main/res/layout/activity_mypage.xml
@@ -106,7 +106,7 @@
     <Button
         android:id="@+id/myPageEdit"
         android:layout_width="180dp"
-        android:layout_height="40dp"
+        android:layout_height="60dp"
         android:layout_marginTop="20dp"
         android:text="マイページ編集"
         android:textSize="16sp"
diff --git a/app/src/main/res/layout/layout_my_page_activity_posts.xml b/app/src/main/res/layout/layout_my_page_activity_posts.xml
index 16e37ba..769dde2 100644
--- a/app/src/main/res/layout/layout_my_page_activity_posts.xml
+++ b/app/src/main/res/layout/layout_my_page_activity_posts.xml
@@ -8,10 +8,15 @@
     android:layout_marginBottom="10dp"
     android:orientation="vertical">
 
+    <View
+        android:id="@+id/divider"
+        android:layout_width="match_parent"
+        android:layout_height="1dp"
+        android:background="?android:attr/listDivider" />
+
     <LinearLayout
         android:layout_width="match_parent"
-        android:layout_height="30dp"
-        android:ele
+        android:layout_height="50dp"
         android:orientation="horizontal">
 
         <TextView
@@ -19,27 +24,28 @@
             android:layout_width="0dp"
             android:layout_height="match_parent"
             android:layout_weight="1"
+            android:gravity="center_vertical"
             android:text="yyyy/mm/dd"
             android:textSize="20sp" />
 
         <ImageView
             android:id="@+id/image1"
-            android:layout_width="60dp"
-            android:layout_height="60dp"
+            android:layout_width="50dp"
+            android:layout_height="50dp"
             android:layout_weight="0.1"
             tools:srcCompat="@tools:sample/avatars" />
 
         <ImageView
             android:id="@+id/image2"
-            android:layout_width="60dp"
-            android:layout_height="60dp"
+            android:layout_width="50dp"
+            android:layout_height="50dp"
             android:layout_weight="0.1"
             tools:srcCompat="@tools:sample/avatars" />
 
         <ImageView
             android:id="@+id/image3"
-            android:layout_width="60dp"
-            android:layout_height="60dp"
+            android:layout_width="50dp"
+            android:layout_height="50dp"
             android:layout_weight="0.1"
             tools:srcCompat="@tools:sample/avatars" />
 
@@ -51,8 +57,8 @@
 
         <ImageButton
             android:id="@+id/deleteButton"
-            android:layout_width="45dp"
-            android:layout_height="45dp"
+            android:layout_width="50dp"
+            android:layout_height="50dp"
             android:layout_weight="0"
             android:background="@drawable/blue_circle_button"
             android:padding="5dp"