登録フォームコンポーネント

<div class="min-h-screen flex items-center justify-center bg-gray-100 dark:bg-gray-900">
  <div class="bg-white dark:bg-gray-800 bg-opacity-60 dark:bg-opacity-60 backdrop-filter backdrop-blur-lg rounded-lg shadow-lg p-8 max-w-md w-full m-4">
    <h2 class="text-2xl font-bold text-gray-800 dark:text-white text-center mb-6">Register</h2>
    <form>
      <div class="mb-4">
        <label for="username" class="block text-gray-700 dark:text-gray-300 text-sm font-bold mb-2">Username</label>
        <input type="text" id="username" name="username" class="shadow appearance-none border rounded w-full py-2 px-3 text-gray-700 leading-tight focus:outline-none focus:shadow-outline bg-white dark:bg-gray-700 border-gray-300 dark:border-gray-600 dark:text-white opacity-80 backdrop-filter backdrop-blur-sm" placeholder="Enter your username">
      </div>
      <div class="mb-4">
        <label for="email" class="block text-gray-700 dark:text-gray-300 text-sm font-bold mb-2">Email</label>
        <input type="email" id="email" name="email" class="shadow appearance-none border rounded w-full py-2 px-3 text-gray-700 leading-tight focus:outline-none focus:shadow-outline bg-white dark:bg-gray-700 border-gray-300 dark:border-gray-600 dark:text-white opacity-80 backdrop-filter backdrop-blur-sm" placeholder="Enter your email">
      </div>
      <div class="mb-6">
        <label for="password" class="block text-gray-700 dark:text-gray-300 text-sm font-bold mb-2">Password</label>
        <input type="password" id="password" name="password" class="shadow appearance-none border rounded w-full py-2 px-3 text-gray-700 mb-3 leading-tight focus:outline-none focus:shadow-outline bg-white dark:bg-gray-700 border-gray-300 dark:border-gray-600 dark:text-white opacity-80 backdrop-filter backdrop-blur-sm" placeholder="Enter your password">
      </div>
      <div class="flex items-center justify-between">
        <button type="submit" class="bg-gray-700 hover:bg-gray-800 text-white font-bold py-2 px-4 rounded focus:outline-none focus:shadow-outline transition duration-300 ease-in-out dark:bg-gray-200 dark:text-gray-800 dark:hover:bg-gray-300">
          Register
        </button>
        <a class="inline-block align-baseline font-bold text-sm text-gray-600 dark:text-gray-400 hover:text-gray-800 dark:hover:text-gray-200" href="#">
          Already have an account?
        </a>
      </div>
    </form>
  </div>
</div>