diff --git a/app/src/main/java/org/android/bbangzip/presentation/ui/navigator/MainActivity.kt b/app/src/main/java/org/android/bbangzip/presentation/ui/navigator/MainActivity.kt
index 42284ab7..12f8c540 100644
--- a/app/src/main/java/org/android/bbangzip/presentation/ui/navigator/MainActivity.kt
+++ b/app/src/main/java/org/android/bbangzip/presentation/ui/navigator/MainActivity.kt
@@ -1,9 +1,9 @@
 package org.android.bbangzip.presentation.ui.navigator
 
 import android.os.Bundle
+import androidx.activity.ComponentActivity
 import androidx.activity.compose.setContent
 import androidx.activity.enableEdgeToEdge
-import androidx.appcompat.app.AppCompatActivity
 import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateOf
@@ -16,7 +16,7 @@ import org.android.bbangzip.ui.theme.BBANGZIPTheme
 import androidx.core.splashscreen.SplashScreen.Companion.installSplashScreen
 
 @AndroidEntryPoint
-class MainActivity : AppCompatActivity() {
+class MainActivity : ComponentActivity() {
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
 
diff --git a/app/src/main/java/org/android/bbangzip/presentation/ui/splash/SplashScreen.kt b/app/src/main/java/org/android/bbangzip/presentation/ui/splash/SplashScreen.kt
index 31018e04..0dcf5c11 100644
--- a/app/src/main/java/org/android/bbangzip/presentation/ui/splash/SplashScreen.kt
+++ b/app/src/main/java/org/android/bbangzip/presentation/ui/splash/SplashScreen.kt
@@ -1,6 +1,5 @@
 package org.android.bbangzip.presentation.ui.splash
 
-import android.window.SplashScreen
 import androidx.compose.foundation.Image
 import androidx.compose.foundation.background
 import androidx.compose.foundation.layout.Column
diff --git a/app/src/main/res/values/themes.xml b/app/src/main/res/values/themes.xml
index 7c291d62..409c4379 100644
--- a/app/src/main/res/values/themes.xml
+++ b/app/src/main/res/values/themes.xml
@@ -1,9 +1,12 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
 
-    <style name="Theme.BBANGZIP" parent="Theme.AppCompat.Light.NoActionBar">
+    <style name="Theme.BBANGZIP" parent="android:Theme.Material.Light.NoActionBar">
         <item name="android:windowLightStatusBar">true</item>
         <item name="android:statusBarColor">@android:color/transparent</item>
         <item name="android:navigationBarColor">@android:color/transparent</item>
+        <item name="android:windowIsTranslucent">true</item>
+        <item name="android:windowDisablePreview">true</item>
+        <item name="android:windowBackground">@null</item>
     </style>
 </resources>
\ No newline at end of file