ログインフォームコンポーネント

<div class="flex items-center justify-center min-h-screen bg-gray-100 dark:bg-gray-900">
    <div class="bg-white dark:bg-gray-800 shadow-lg rounded-lg p-8 max-w-md w-full">
        <h2 class="text-3xl font-bold text-center text-vibrant-600 dark:text-vibrant-300 mb-6">Login</h2>
        <img src="https://picsum.photos/200/100" alt="Decorative Header Image" class="rounded-lg w-full mb-4" />
        <form>
            <div class="mb-4">
                <label class="block text-sm font-medium text-gray-700 dark:text-gray-300 mb-2" for="email">Email</label>
                <input type="email" id="email" name="email" class="border border-gray-300 dark:border-gray-700 rounded-lg p-2 focus:outline-none focus:ring focus:ring-vibrant-300 dark:focus:ring-vibrant-500 w-full" required />
            </div>
            <div class="mb-6">
                <label class="block text-sm font-medium text-gray-700 dark:text-gray-300 mb-2" for="password">Password</label>
                <input type="password" id="password" name="password" class="border border-gray-300 dark:border-gray-700 rounded-lg p-2 focus:outline-none focus:ring focus:ring-vibrant-300 dark:focus:ring-vibrant-500 w-full" required />
            </div>
            <button type="submit" class="bg-vibrant-600 dark:bg-vibrant-500 text-white font-bold py-2 rounded-lg w-full hover:bg-vibrant-700 dark:hover:bg-vibrant-400 transition duration-300 ease-in-out">Log In</button>
        </form>
        <div class="flex items-center justify-between mt-4">
            <a href="#" class="text-sm text-vibrant-600 dark:text-vibrant-300 hover:underline">Forgot Password?</a>
            <a href="#" class="text-sm text-vibrant-600 dark:text-vibrant-300 hover:underline">Sign Up</a>
        </div>
        <img src="https://randomuser.me/api/portraits/men/1.jpg" alt="User Avatar" class="rounded-full w-16 h-16 mx-auto mt-4" />
    </div>
</div>