ソーシャルログインコンポーネント

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      <h2 class="text-3xl font-bold text-gray-800 dark:text-white text-center mb-6">Social Login</h2>
      <p class="text-gray-600 dark:text-gray-300 text-center mb-8">Sign in to unlock exclusive shopping features.</p>

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        <button class="w-full flex items-center justify-center px-4 py-2 border border-gray-300 dark:border-gray-600 rounded-lg shadow-sm text-lg font-medium text-gray-800 dark:text-white bg-white bg-opacity-40 dark:bg-gray-700 dark:bg-opacity-40 hover:bg-opacity-60 dark:hover:bg-opacity-60 focus:outline-none focus:ring-2 focus:ring-gray-400 focus:ring-opacity-75 transition duration-200 ease-in-out backdrop-filter backdrop-blur-lg">
          <img src="https://www.google.com/images/branding/googleg/1x/googleg_standard_color_64dp.png" alt="Google icon" class="h-6 w-6 mr-3">
          Sign in with Google
        </button>
        <button class="w-full flex items-center justify-center px-4 py-2 border border-gray-300 dark:border-gray-600 rounded-lg shadow-sm text-lg font-medium text-gray-800 dark:text-white bg-white bg-opacity-40 dark:bg-gray-700 dark:bg-opacity-40 hover:bg-opacity-60 dark:hover:bg-opacity-60 focus:outline-none focus:ring-2 focus:ring-gray-400 focus:ring-opacity-75 transition duration-200 ease-in-out backdrop-filter backdrop-blur-lg">
          <img src="https://upload.wikimedia.org/wikipedia/commons/0/05/Facebook_Logo_%282019%29.png" alt="Facebook icon" class="h-6 w-6 mr-3">
          Sign in with Facebook
        </button>
        <button class="w-full flex items-center justify-center px-4 py-2 border border-gray-300 dark:border-gray-600 rounded-lg shadow-sm text-lg font-medium text-gray-800 dark:text-white bg-white bg-opacity-40 dark:bg-gray-700 dark:bg-opacity-40 hover:bg-opacity-60 dark:hover:bg-opacity-60 focus:outline-none focus:ring-2 focus:ring-gray-400 focus:ring-opacity-75 transition duration-200 ease-in-out backdrop-filter backdrop-blur-lg">
          <img src="https://upload.wikimedia.org/wikipedia/commons/4/4f/Twitter-logo.png" alt="Twitter icon" class="h-6 w-6 mr-3">
          Sign in with Twitter
        </button>
      </div>

      <div class="mt-8 text-center">
        <p class="text-gray-600 dark:text-gray-300">Don't have an account? <a href="#" class="text-gray-800 dark:text-white font-medium hover:underline">Sign up</a></p>
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