diff --git a/app/layout.tsx b/app/layout.tsx
index 284ab94..65613c7 100644
--- a/app/layout.tsx
+++ b/app/layout.tsx
@@ -3,6 +3,7 @@ import { Geist, Geist_Mono, Inter } from "next/font/google";
 import "./globals.css";
 import { cn } from "@/lib/utils";
 import { SiteHeader } from "@/components/site-header";
+import { SiteFooter } from "@/components/site-footer";
 
 const inter = Inter({subsets:['latin'],variable:'--font-sans'});
 
@@ -34,6 +35,7 @@ export default function RootLayout({
       <body className="min-h-full flex flex-col">
         <SiteHeader />
         {children}
+        <SiteFooter />
       </body>
     </html>
   );
diff --git a/app/page.tsx b/app/page.tsx
index 26bf12d..424fef0 100644
--- a/app/page.tsx
+++ b/app/page.tsx
@@ -107,19 +107,6 @@ export default function Home() {
           </ol>
         </section>
       </main>
-      <footer className="border-t bg-card/60">
-        <div className="mx-auto flex w-full max-w-6xl items-center justify-center px-4 py-4 text-center text-xs text-muted-foreground sm:px-8 sm:text-sm">
-          運用元:
-          <a
-            href="https://neody.land/ja"
-            target="_blank"
-            rel="noopener noreferrer"
-            className="ml-1 font-medium text-foreground underline underline-offset-4 hover:text-primary"
-          >
-            Neodyland
-          </a>
-        </div>
-      </footer>
     </div>
   );
 }
diff --git a/components/site-footer.tsx b/components/site-footer.tsx
new file mode 100644
index 0000000..1cdcb10
--- /dev/null
+++ b/components/site-footer.tsx
@@ -0,0 +1,17 @@
+export function SiteFooter() {
+  return (
+    <footer className="border-t bg-card/60">
+      <div className="mx-auto flex w-full max-w-6xl items-center justify-center px-4 py-4 text-center text-xs text-muted-foreground sm:px-8 sm:text-sm">
+        運用元:
+        <a
+          href="https://neody.land/ja"
+          target="_blank"
+          rel="noopener noreferrer"
+          className="ml-1 font-medium text-foreground underline underline-offset-4 hover:text-primary"
+        >
+          Neodyland
+        </a>
+      </div>
+    </footer>
+  );
+}
\ No newline at end of file
