// version-loader.js
(function () {
    const version = '20250423';

    const bustUrl = (url) => {
        if (!url || url.startsWith('data:') || url.startsWith('http')) return url;
        return `${url.split('?')[0]}?v=${version}`;
    };

    window.addEventListener('DOMContentLoaded', () => {
        const origin = location.origin;

        // CSS
        document.querySelectorAll('link[rel="stylesheet"]').forEach(link => {
            if (link.href.startsWith(origin)) {
                link.href = bustUrl(link.href);
            }
        });

        // JS（自身と外部スクリプトを除外）
        const myScript = document.currentScript || document.querySelector('script[src*="version-loader"]');
        document.querySelectorAll('script[src]').forEach(script => {
            if (script === myScript || script.src.startsWith('http')) return;

            const newScript = document.createElement('script');
            newScript.src = bustUrl(script.src);
            if (script.defer) newScript.defer = true;
            if (script.type) newScript.type = script.type;
            script.replaceWith(newScript);
        });

        // メディア（img, video, source）
        document.querySelectorAll('img[src], video[src], source[src]').forEach(el => {
            const src = el.getAttribute('src');
            if (src && src.startsWith('/') || src.startsWith(origin)) {
                el.src = bustUrl(src);
            }
        });

        // preload / favicon
        document.querySelectorAll('link[rel="preload"], link[rel="icon"]').forEach(link => {
            if (link.href.startsWith(origin)) {
                link.href = bustUrl(link.href);
            }
        });
    });
})();

// フェードイン（別トリガーとして保持）
window.addEventListener('DOMContentLoaded', () => {
    requestAnimationFrame(() => {
        document.body.classList.add('show');
    });
});