イメージライトボックスコンポーネント

<div class="relative flex flex-col items-center justify-center p-4 w-full max-w-screen-lg mx-auto bg-white dark:bg-gray-800 border-2 border-gray-700 dark:border-gray-300 rounded-lg overflow-hidden shadow-lg">
    <h2 class="text-3xl font-bold mb-4 text-gray-800 dark:text-gray-200">Image Lightbox</h2>
    <div class="flex flex-wrap justify-center gap-4">
        <!-- Image Thumbnails -->
        <div class="w-1/3 p-2">
            <img src="https://picsum.photos/300/200?random=1" alt="Example Image 1" class="cursor-pointer rounded-lg hover:scale-105 transition-transform duration-300" onclick="openLightbox('https://picsum.photos/600/400?random=1')">
        </div>
        <div class="w-1/3 p-2">
            <img src="https://picsum.photos/300/200?random=2" alt="Example Image 2" class="cursor-pointer rounded-lg hover:scale-105 transition-transform duration-300" onclick="openLightbox('https://picsum.photos/600/400?random=2')">
        </div>
        <div class="w-1/3 p-2">
            <img src="https://picsum.photos/300/200?random=3" alt="Example Image 3" class="cursor-pointer rounded-lg hover:scale-105 transition-transform duration-300" onclick="openLightbox('https://picsum.photos/600/400?random=3')">
        </div>
    </div>
    <!-- Lightbox Overlay -->
    <div id="lightbox" class="hidden fixed inset-0 z-50 bg-black bg-opacity-75 flex items-center justify-center transition-opacity duration-300">
        <span class="absolute top-4 right-4 text-white cursor-pointer" onclick="closeLightbox()">&times;</span>
        <img id="lightbox-img" class="max-w-full max-h-full object-contain" src="" alt="Lightbox Image">
    </div>
</div>

<script>
function openLightbox(imageUrl) {
    const lightbox = document.getElementById('lightbox');
    const lightboxImg = document.getElementById('lightbox-img');
    lightboxImg.src = imageUrl;
    lightbox.classList.remove('hidden');
}

function closeLightbox() {
    const lightbox = document.getElementById('lightbox');
    lightbox.classList.add('hidden');
}
</script>