通知コンポーネント

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    <h2 class="text-center text-2xl font-bold text-brown-700 dark:text-brown-300 mb-4">Notifications</h2>
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                <img src="https://randomuser.me/api/portraits/men/75.jpg" alt="User Avatar" class="w-10 h-10 rounded-full mr-3">
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                    <p class="font-semibold text-brown-800 dark:text-brown-200">John Doe</p>
                    <p class="text-brown-600 dark:text-brown-400">You have a new message!</p>
                    <p class="text-gray-500 dark:text-gray-400 text-sm">2 minutes ago</p>
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                <img src="https://randomuser.me/api/portraits/women/45.jpg" alt="User Avatar" class="w-10 h-10 rounded-full mr-3">
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                    <p class="font-semibold text-brown-800 dark:text-brown-200">Jane Smith</p>
                    <p class="text-brown-600 dark:text-brown-400">Your portfolio has been viewed!</p>
                    <p class="text-gray-500 dark:text-gray-400 text-sm">10 minutes ago</p>
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                <img src="https://randomuser.me/api/portraits/men/85.jpg" alt="User Avatar" class="w-10 h-10 rounded-full mr-3">
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                    <p class="font-semibold text-brown-800 dark:text-brown-200">Alice Brown</p>
                    <p class="text-brown-600 dark:text-brown-400">Your project deadline is approaching!</p>
                    <p class="text-gray-500 dark:text-gray-400 text-sm">30 minutes ago</p>
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    <button class="mt-4 w-full bg-brown-600 dark:bg-brown-700 text-white py-2 rounded-lg hover:bg-brown-500 dark:hover:bg-brown-600">View All Notifications</button>
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