diff --git a/app/src/main/java/one/nem/kidshift/MainActivity.java b/app/src/main/java/one/nem/kidshift/MainActivity.java
index 968a7fe..14e4854 100644
--- a/app/src/main/java/one/nem/kidshift/MainActivity.java
+++ b/app/src/main/java/one/nem/kidshift/MainActivity.java
@@ -51,6 +51,7 @@ public class MainActivity extends AppCompatActivity {
             return insets;
         });
 
+
         logger = loggerFactory.create("MainActivity");
 
         logger.info("MainActivity started!");
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index 8405d79..1de25e3 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -7,35 +7,60 @@
     android:layout_height="match_parent"
     tools:context=".MainActivity">
 
-    <androidx.fragment.app.FragmentContainerView
-        android:id="@+id/fragmentContainerView"
-        android:name="androidx.navigation.fragment.NavHostFragment"
-        android:layout_width="0dp"
-        android:layout_height="0dp"
-        app:defaultNavHost="true"
-        app:layout_constraintBottom_toTopOf="@+id/bottom_nav"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent"
-        app:navGraph="@navigation/main_nav" />
-
-    <com.google.android.material.bottomnavigation.BottomNavigationView
-        android:id="@+id/bottom_nav"
+    <androidx.drawerlayout.widget.DrawerLayout
         android:layout_width="match_parent"
-        android:layout_height="0dp"
-        app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintStart_toStartOf="parent"
-        app:menu="@menu/main_nav_menu" />
+        android:layout_height="match_parent">
 
-    <com.google.android.material.floatingactionbutton.FloatingActionButton
-        android:id="@+id/mainFab"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_marginEnd="24dp"
-        android:layout_marginBottom="24dp"
-        android:clickable="true"
-        app:layout_constraintBottom_toTopOf="@id/bottom_nav"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:srcCompat="@drawable/add_24px" />
-</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
+        <androidx.constraintlayout.widget.ConstraintLayout
+            android:layout_width="match_parent"
+            android:layout_height="match_parent">
+
+            <androidx.appcompat.widget.Toolbar
+                android:id="@+id/toolbar"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:background="?attr/colorPrimary"
+                android:minHeight="?attr/actionBarSize"
+                android:theme="?attr/actionBarTheme"
+                app:layout_constraintEnd_toEndOf="parent"
+                app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintTop_toTopOf="parent"
+                app:title="ナビゲーションサンプル" />
+
+            <androidx.fragment.app.FragmentContainerView
+                android:id="@+id/fragmentContainerView"
+                android:name="androidx.navigation.fragment.NavHostFragment"
+                android:layout_width="0dp"
+                android:layout_height="0dp"
+                app:defaultNavHost="true"
+                app:layout_constraintBottom_toTopOf="@+id/bottom_nav"
+                app:layout_constraintEnd_toEndOf="parent"
+                app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintTop_toBottomOf="@+id/toolbar"
+                app:navGraph="@navigation/main_nav" />
+
+            <com.google.android.material.bottomnavigation.BottomNavigationView
+                android:id="@+id/bottom_nav"
+                android:layout_width="match_parent"
+                android:layout_height="0dp"
+                app:layout_constraintBottom_toBottomOf="parent"
+                app:layout_constraintEnd_toEndOf="parent"
+                app:layout_constraintStart_toStartOf="parent"
+                app:menu="@menu/main_nav_menu" />
+
+            <com.google.android.material.floatingactionbutton.FloatingActionButton
+                android:id="@+id/mainFab"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginEnd="24dp"
+                android:layout_marginBottom="24dp"
+                android:clickable="true"
+                app:layout_constraintBottom_toTopOf="@id/bottom_nav"
+                app:layout_constraintEnd_toEndOf="parent"
+                app:srcCompat="@drawable/add_24px" />
+
+        </androidx.constraintlayout.widget.ConstraintLayout>
+
+    </androidx.drawerlayout.widget.DrawerLayout>
+
+</androidx.constraintlayout.widget.ConstraintLayout>