フォームコンポーネント

<div class="min-h-screen bg-gray-100 dark:bg-gray-900 py-12 px-4 sm:px-6 lg:px-8">
  <div class="max-w-md mx-auto bg-white dark:bg-gray-800 bg-opacity-30 dark:bg-opacity-30 rounded-xl shadow-lg overflow-hidden backdrop-filter backdrop-blur-lg">
    <div class="px-6 py-8">
      <h2 class="text-center text-3xl font-extrabold text-gray-900 dark:text-white">Contact Us</h2>
      <form class="mt-8 space-y-6" action="#" method="POST">
        <input type="hidden" name="remember" value="true">
        <div class="rounded-md shadow-sm -space-y-px">
          <div>
            <label for="name" class="sr-only">Name</label>
            <input id="name" name="name" type="text" autocomplete="name" required class="appearance-none rounded-none relative block w-full px-3 py-2 border border-gray-300 dark:border-gray-700 placeholder-gray-500 dark:placeholder-gray-400 text-gray-900 dark:text-white rounded-t-md focus:outline-none focus:ring-purple-500 focus:border-purple-500 focus:z-10 sm:text-sm bg-white dark:bg-gray-700 bg-opacity-50 dark:bg-opacity-50" placeholder="Name">
          </div>
          <div>
            <label for="email-address" class="sr-only">Email address</label>
            <input id="email-address" name="email" type="email" autocomplete="email" required class="appearance-none rounded-none relative block w-full px-3 py-2 border border-gray-300 dark:border-gray-700 placeholder-gray-500 dark:placeholder-gray-400 text-gray-900 dark:text-white focus:outline-none focus:ring-purple-500 focus:border-purple-500 focus:z-10 sm:text-sm bg-white dark:bg-gray-700 bg-opacity-50 dark:bg-opacity-50" placeholder="Email address">
          </div>
          <div>
            <label for="message" class="sr-only">Message</label>
            <textarea id="message" name="message" rows="4" required class="appearance-none rounded-none relative block w-full px-3 py-2 border border-gray-300 dark:border-gray-700 placeholder-gray-500 dark:placeholder-gray-400 text-gray-900 dark:text-white rounded-b-md focus:outline-none focus:ring-purple-500 focus:border-purple-500 focus:z-10 sm:text-sm bg-white dark:bg-gray-700 bg-opacity-50 dark:bg-opacity-50" placeholder="Message"></textarea>
          </div>
        </div>

        <div>
          <button type="submit" class="group relative w-full flex justify-center py-2 px-4 border border-transparent text-sm font-medium rounded-md text-white bg-gradient-to-r from-purple-600 to-pink-600 hover:from-purple-700 hover:to-pink-700 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-purple-500">
            Send Message
          </button>
        </div>
      </form>
    </div>
  </div>
</div>