feat: 参加登録ボタンをdisabledにする

Author: staticWagomU

2025/src/components/Top.astro

@@ -36,6 +36,7 @@ import VimLogo from "./VimLogo.astro";
     </div>
     <div class="flex flex-col items-center justify-center gap-3 sm:flex-row">
       <button
+        disabled
         class="inline-flex h-10 w-auto items-center justify-center gap-2 rounded-md bg-emerald-600 px-4 py-2 text-sm font-medium whitespace-nowrap text-primary-foreground ring-offset-background transition-colors hover:bg-emerald-700 focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2 focus-visible:outline-none disabled:pointer-events-none disabled:opacity-50 [&_svg]:pointer-events-none [&_svg]:size-4 [&_svg]:shrink-0"
         >参加登録</button
       ><button