diff --git a/vtubermini/src/pages/home-page.tsx b/vtubermini/src/pages/home-page.tsx
index 3df6b02..90b3914 100644
--- a/vtubermini/src/pages/home-page.tsx
+++ b/vtubermini/src/pages/home-page.tsx
@@ -454,7 +454,7 @@ export function HomePage({
 
   return (
     <div className="relative h-full overflow-hidden bg-[#061124]">
-      <div className="home-canvas overflow-hidden" onPointerDownCapture={resetHomeIdleTimer}>
+      <div className="absolute overflow-hidden" style={{ top: 0, left: "50%", width: "min(100vw, 540px, calc(100vh * 9 / 16))", aspectRatio: "9 / 16", transform: "translateX(-50%)" }} onPointerDownCapture={resetHomeIdleTimer}>
       <div
         aria-hidden="true"
         className="absolute inset-0 bg-[radial-gradient(circle_at_50%_18%,rgba(83,169,255,0.34),transparent_30%),linear-gradient(180deg,#18345f_0%,#071a33_48%,#030a17_100%)]"