diff --git a/src/app/layout.tsx b/src/app/layout.tsx
index 39f630f2..bf8fa2c4 100644
--- a/src/app/layout.tsx
+++ b/src/app/layout.tsx
@@ -23,7 +23,7 @@ export default function RootLayout({ children }: { children: React.ReactNode })
 }
 
 const containerCss = {
-  maxWidth: '375px',
+  maxWidth: '475px',
   margin: '0 auto',
   minHeight: '100vh',
 };