diff --git a/src/index.html b/src/index.html
index fbc5988..7c034ae 100644
--- a/src/index.html
+++ b/src/index.html
@@ -11,6 +11,11 @@
     <header>
       <h1>JSON Web Key Generator</h1>
       <p>Generate JSON Web Key.</p>
+      <nav>
+        <a href="https://github.com/kou029w/jwk.pages.dev" rel="noreferrer">
+          GitHub
+        </a>
+      </nav>
     </header>
     <main>
       <form>
@@ -66,8 +71,5 @@
       <label for="public">Public Key</label>
       <pre id="public"></pre>
     </main>
-    <footer>
-      by <a href="https://github.com/kou029w" rel="noreferrer">kou029w</a>
-    </footer>
   </body>
 </html>