通知コンポーネント

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    <h2 class="text-2xl font-bold text-blue-600 dark:text-blue-400 mb-4">Notifications</h2>
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          <h3 class="text-lg font-semibold text-black dark:text-white">New Order Placed!</h3>
          <p class="text-sm text-gray-700 dark:text-gray-300">Order #12345 has been successfully placed.</p>
          <span class="text-xs text-gray-500 dark:text-gray-400">Just now</span>
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        <img src="https://picsum.photos/40" alt="Avatar" class="rounded-full mr-3 border-2 border-green-600 dark:border-green-400" />
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          <h3 class="text-lg font-semibold text-black dark:text-white">Item Shipped!</h3>
          <p class="text-sm text-gray-700 dark:text-gray-300">Your order #12345 is on its way!</p>
          <span class="text-xs text-gray-500 dark:text-gray-400">2 hours ago</span>
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          <h3 class="text-lg font-semibold text-black dark:text-white">Payment Failed!</h3>
          <p class="text-sm text-gray-700 dark:text-gray-300">There was an issue with your payment for order #12345.</p>
          <span class="text-xs text-gray-500 dark:text-gray-400">5 hours ago</span>
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      <div class="flex items-center bg-purple-200 dark:bg-purple-800 p-4 rounded-lg shadow">
        <img src="https://picsum.photos/40" alt="Avatar" class="rounded-full mr-3 border-2 border-purple-600 dark:border-purple-400" />
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          <h3 class="text-lg font-semibold text-black dark:text-white">Review Reminder!</h3>
          <p class="text-sm text-gray-700 dark:text-gray-300">Don’t forget to review your recent purchase.</p>
          <span class="text-xs text-gray-500 dark:text-gray-400">1 day ago</span>
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