チェックアウトフォームコンポーネント

<div class="min-h-screen bg-gray-100 dark:bg-gray-900 flex items-center justify-center p-4">
  <div class="bg-white dark:bg-gray-800 shadow-md rounded-lg p-6 w-full max-w-md">
    <h2 class="text-2xl font-bold mb-6 text-gray-800 dark:text-white">Checkout</h2>
    <form>
      <div class="mb-4">
        <label for="name" class="block text-sm font-medium text-gray-700 dark:text-gray-300 mb-2">Full Name</label>
        <input type="text" id="name" class="w-full px-3 py-2 border border-gray-300 dark:border-gray-600 rounded-md shadow-sm focus:outline-none focus:ring-gray-500 focus:border-gray-500 dark:bg-gray-700 dark:text-white">
      </div>
      <div class="mb-4">
        <label for="email" class="block text-sm font-medium text-gray-700 dark:text-gray-300 mb-2">Email Address</label>
        <input type="email" id="email" class="w-full px-3 py-2 border border-gray-300 dark:border-gray-600 rounded-md shadow-sm focus:outline-none focus:ring-gray-500 focus:border-gray-500 dark:bg-gray-700 dark:text-white">
      </div>
      <div class="mb-4">
        <label for="card-number" class="block text-sm font-medium text-gray-700 dark:text-gray-300 mb-2">Card Number</label>
        <input type="text" id="card-number" class="w-full px-3 py-2 border border-gray-300 dark:border-gray-600 rounded-md shadow-sm focus:outline-none focus:ring-gray-500 focus:border-gray-500 dark:bg-gray-700 dark:text-white">
      </div>
      <div class="grid grid-cols-2 gap-4 mb-4">
        <div>
          <label for="expiry-date" class="block text-sm font-medium text-gray-700 dark:text-gray-300 mb-2">Expiry Date</label>
          <input type="text" id="expiry-date" placeholder="MM/YY" class="w-full px-3 py-2 border border-gray-300 dark:border-gray-600 rounded-md shadow-sm focus:outline-none focus:ring-gray-500 focus:border-gray-500 dark:bg-gray-700 dark:text-white">
        </div>
        <div>
          <label for="cvv" class="block text-sm font-medium text-gray-700 dark:text-gray-300 mb-2">CVV</label>
          <input type="text" id="cvv" class="w-full px-3 py-2 border border-gray-300 dark:border-gray-600 rounded-md shadow-sm focus:outline-none focus:ring-gray-500 focus:border-gray-500 dark:bg-gray-700 dark:text-white">
        </div>
      </div>
      <div class="mb-6">
        <label for="country" class="block text-sm font-medium text-gray-700 dark:text-gray-300 mb-2">Country</label>
        <select id="country" class="w-full px-3 py-2 border border-gray-300 dark:border-gray-600 rounded-md shadow-sm focus:outline-none focus:ring-gray-500 focus:border-gray-500 dark:bg-gray-700 dark:text-white">
          <option value="">Select Country</option>
          <option value="us">United States</option>
          <option value="ca">Canada</option>
          <!-- Add more countries as needed -->
        </select>
      </div>
      <button type="submit" class="w-full bg-gray-800 dark:bg-gray-200 text-white dark:text-gray-900 py-2 px-4 rounded-md shadow-md hover:bg-gray-900 dark:hover:bg-gray-300 focus:outline-none focus:ring-2 focus:ring-gray-500 focus:ring-opacity-50">Pay Now</button>
    </form>
  </div>
</div>