2要素認証コンポーネント

<div class="flex items-center justify-center min-h-screen bg-gray-100 dark:bg-gray-900 p-4">
    <div class="bg-white dark:bg-gray-800 rounded-lg shadow-xl p-8 transform transition-all duration-500 hover:shadow-2xl">
        <h2 class="text-center text-2xl font-semibold text-gray-800 dark:text-gray-200 mb-6">Two-Factor Authentication</h2>
        <p class="text-center text-gray-600 dark:text-gray-400 mb-4">Secure your account with an additional layer of protection.</p>
        <div class="mb-4">
            <label class="block text-gray-700 dark:text-gray-300 mb-2" for="phone">Phone Number</label>
            <input type="text" id="phone" class="w-full p-2 rounded bg-gray-200 dark:bg-gray-700 border border-gray-300 dark:border-gray-600 focus:outline-none focus:ring-2 focus:ring-blue-500 dark:focus:ring-blue-600" placeholder="Enter your phone number" />
        </div>
        <div class="mb-6">
            <label class="block text-gray-700 dark:text-gray-300 mb-2" for="code">Authentication Code</label>
            <input type="text" id="code" class="w-full p-2 rounded bg-gray-200 dark:bg-gray-700 border border-gray-300 dark:border-gray-600 focus:outline-none focus:ring-2 focus:ring-blue-500 dark:focus:ring-blue-600" placeholder="Enter the authentication code" />
        </div>
        <button class="w-full bg-blue-500 hover:bg-blue-600 text-white font-bold py-2 rounded focus:outline-none focus:ring-2 focus:ring-blue-400 dark:focus:ring-blue-500">Verify</button>
        <div class="text-center mt-4">
            <p class="text-gray-600 dark:text-gray-400">Or</p>
            <a href="#" class="text-blue-500 hover:underline">Use an Authenticator App</a>
        </div>
        <div class="mt-6">
            <img src="https://picsum.photos/200/100" alt="Random image" class="rounded-lg shadow-md dark:shadow-lg" />
        </div>
    </div>
</div>