トースト通知コンポーネント

<div class="fixed top-5 right-5 space-y-4">
    <!-- Success Toast -->
    <div class="bg-white dark:bg-gray-800 rounded-lg shadow-md hover:shadow-lg transition-shadow duration-300 p-4 flex items-center space-x-3">
        <img class="w-10 h-10 rounded-full" src="https://randomuser.me/api/portraits/men/1.jpg" alt="User Avatar">
        <div class="flex-1">
            <p class="text-gray-800 dark:text-gray-200 font-semibold">Success!</p>
            <p class="text-gray-600 dark:text-gray-400">Your changes have been saved successfully.</p>
        </div>
        <button class="text-gray-500 dark:text-gray-300 hover:text-gray-700 dark:hover:text-gray-200 focus:outline-none">
            <svg xmlns="http://www.w3.org/2000/svg" class="h-6 w-6" fill="none" viewBox="0 0 24 24" stroke="currentColor">
                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M6 18L18 6M6 6l12 12" />
            </svg>
        </button>
    </div>

    <!-- Error Toast -->
    <div class="bg-white dark:bg-gray-800 rounded-lg shadow-md hover:shadow-lg transition-shadow duration-300 p-4 flex items-center space-x-3">
        <img class="w-10 h-10 rounded-full" src="https://randomuser.me/api/portraits/women/2.jpg" alt="User Avatar">
        <div class="flex-1">
            <p class="text-red-600 dark:text-red-400 font-semibold">Error!</p>
            <p class="text-gray-600 dark:text-gray-400">There was an issue processing your request.</p>
        </div>
        <button class="text-gray-500 dark:text-gray-300 hover:text-gray-700 dark:hover:text-gray-200 focus:outline-none">
            <svg xmlns="http://www.w3.org/2000/svg" class="h-6 w-6" fill="none" viewBox="0 0 24 24" stroke="currentColor">
                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M6 18L18 6M6 6l12 12" />
            </svg>
        </button>
    </div>

    <!-- Info Toast -->
    <div class="bg-white dark:bg-gray-800 rounded-lg shadow-md hover:shadow-lg transition-shadow duration-300 p-4 flex items-center space-x-3">
        <img class="w-10 h-10 rounded-full" src="https://randomuser.me/api/portraits/men/3.jpg" alt="User Avatar">
        <div class="flex-1">
            <p class="text-blue-600 dark:text-blue-400 font-semibold">Info!</p>
            <p class="text-gray-600 dark:text-gray-400">This is an informational message.</p>
        </div>
        <button class="text-gray-500 dark:text-gray-300 hover:text-gray-700 dark:hover:text-gray-200 focus:outline-none">
            <svg xmlns="http://www.w3.org/2000/svg" class="h-6 w-6" fill="none" viewBox="0 0 24 24" stroke="currentColor">
                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M6 18L18 6M6 6l12 12" />
            </svg>
        </button>
    </div>
</div>

<style>
    /* Neumorphism Styles */
    .bg-white {
        box-shadow: 8px 8px 15px rgba(0, 0, 0, 0.1),
                    -8px -8px 15px rgba(255, 255, 255, 0.9);
    }
    .dark .bg-gray-800 {
        box-shadow: inset 8px 8px 15px rgba(0, 0, 0, 0.5),
                     inset -8px -8px 15px rgba(255, 255, 255, 0.1);
    }
</style>