なんかもう全部変えた

app/src/main/java/one/nem/lacerta/MainActivity.java

@@ -45,6 +45,9 @@ public class MainActivity extends AppCompatActivity {
         }
 
         // Set navigation bar color
-        getWindow().setNavigationBarColor(ContextCompat.getColor(this, one.nem.lacerta.shared.ui.R.color.colorSurfaceVariant));
+        getWindow().setNavigationBarColor(ContextCompat.getColor(this, one.nem.lacerta.shared.ui.R.color.colorSecondaryContainer));
+
+        // Set status bar color
+        getWindow().setStatusBarColor(ContextCompat.getColor(this, one.nem.lacerta.shared.ui.R.color.colorSurface));
     }
 }

app/src/main/res/layout/activity_main.xml

@@ -24,6 +24,11 @@
         android:id="@+id/bottom_nav"
         android:layout_width="0dp"
         android:layout_height="wrap_content"
+        android:background="@color/colorSecondaryContainer"
+        app:itemIconTint="@color/colorOnSecondaryContainer"
+        app:itemTextColor="@color/colorOnSecondaryContainer"
+        app:itemActiveIndicatorStyle="@style/Lacerta.Custom.Indicator"
+        app:labelVisibilityMode="selected"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"