diff --git a/src/core/commit4.tsx b/src/core/commit4.tsx
index 4b5a98b..8a47c5c 100644
--- a/src/core/commit4.tsx
+++ b/src/core/commit4.tsx
@@ -10,31 +10,34 @@ import { Layout } from "@/core/layout";
 export const Commit4 = () => {
   const { t } = useTranslation();
   const { ref, entry } = useIntersectionObserver();
+
   const { handleStart } = useGame();
 
   const isCaseClip = Boolean(entry?.rootBounds && entry.boundingClientRect.top > entry.rootBounds.bottom);
 
   return (
     <Layout>
-      <div className="relative mx-auto flex h-235 w-166 justify-center after:absolute after:inset-0 after:bg-case after:bg-no-repeat after:drop-shadow-xl">
-        <div className="relative mt-23 h-75 w-100 bg-lcd after:absolute after:inset-0 after:bg-screen">
-          <Suspense>
-            <Scene />
-          </Suspense>
-        </div>
+      <div className="@container relative mx-auto aspect-166/235 w-full max-w-166">
+        <div className="absolute top-0 left-0 flex h-235 w-166 origin-top-left scale-[calc(100cqw/41.5rem)] justify-center after:absolute after:inset-0 after:bg-case after:bg-no-repeat after:drop-shadow-xl">
+          <div className="relative mt-23 h-75 w-100 bg-lcd after:absolute after:inset-0 after:bg-screen">
+            <Suspense>
+              <Scene />
+            </Suspense>
+          </div>
 
-        <button
-          type="button"
-          aria-label={t("game.start")}
-          className="absolute top-133 left-47.5 z-10 h-19 w-14 cursor-pointer bg-button opacity-0 outline-none active:opacity-100"
-          onClick={handleStart}
-        />
+          <button
+            type="button"
+            aria-label={t("game.start")}
+            className="absolute top-133 left-47.5 z-10 h-19 w-14 cursor-pointer bg-button opacity-0 outline-none active:opacity-100"
+            onClick={handleStart}
+          />
+        </div>
 
         <div ref={ref} aria-hidden="true" className="pointer-events-none absolute bottom-0 h-px w-full" />
 
         {isCaseClip ? (
           <div aria-hidden="true" className="pointer-events-none absolute inset-0 z-20">
-            <div className="fixed bottom-0 h-24 w-full bg-linear-to-t from-white via-white/30 to-transparent" />
+            <div className="fixed inset-x-0 bottom-0 h-24 bg-linear-to-t from-white via-white/30 to-transparent" />
           </div>
         ) : null}
       </div>