:root{--base-bg: #faf5ed;--card-bg: #ffffff;--text-main: #333333;--text-muted: #666666;--accent-blue: #c4e1f6;--icon-blue: #007aff;--border-color: #eaeaea;--content-max-width: 480px}html{background-color:#f0f2f5}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Hiragino Kaku Gothic ProN,Hiragino Sans,Meiryo,sans-serif;margin:0 auto;padding:0;background-color:var(--base-bg);color:var(--text-main);display:flex;flex-direction:column;min-height:100vh;width:100%;max-width:var(--content-max-width);box-shadow:0 0 15px #0000000d;-webkit-font-smoothing:antialiased;position:relative}main{flex:1;padding:1rem;padding-bottom:80px}h1,h2,h3,h4,h5,h6{margin:0;color:var(--text-main);font-weight:700}a{text-decoration:none;color:inherit}p{margin:0 0 1rem;line-height:1.6}img{max-width:100%;height:auto}@media(min-width:768px){:root{--content-max-width: 960px}body{box-shadow:none;background-color:var(--base-bg)}main{padding:2rem 3rem;max-width:960px;margin:0 auto;width:100%;box-sizing:border-box}}@media(min-width:1200px){:root{--content-max-width: 1100px}}.sr-only{border:0;clip:rect(1px,1px,1px,1px);clip-path:inset(50%);height:1px;margin:-1px;overflow:hidden;padding:0;position:absolute;width:1px;white-space:nowrap}.bottom-nav[data-astro-cid-sz7xmlte]{position:fixed;bottom:0;left:50%;transform:translate(-50%);width:100%;max-width:480px;background:#fffffff2;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);display:flex;justify-content:space-around;align-items:center;padding:8px 0;padding-bottom:env(safe-area-inset-bottom,8px);border-top:1px solid var(--border-color);box-sizing:border-box;z-index:1000}.nav-item[data-astro-cid-sz7xmlte]{display:flex;flex-direction:column;align-items:center;color:#999;font-size:.7rem;flex:1;font-weight:700}.nav-item[data-astro-cid-sz7xmlte] svg[data-astro-cid-sz7xmlte]{width:24px;height:24px;margin-bottom:4px}.nav-item[data-astro-cid-sz7xmlte].active{color:var(--icon-blue)}.nav-item[data-astro-cid-sz7xmlte].active svg[data-astro-cid-sz7xmlte]{stroke:none;fill:var(--icon-blue)}.desktop-footer[data-astro-cid-sz7xmlte]{display:none}@media(min-width:768px){.bottom-nav[data-astro-cid-sz7xmlte]{display:none}.desktop-footer[data-astro-cid-sz7xmlte]{display:block;background:#2d2d2d;color:#ccc;padding:0;margin-top:auto}.footer-inner[data-astro-cid-sz7xmlte]{max-width:960px;margin:0 auto;padding:2.5rem 2rem 1.5rem;box-sizing:border-box}.footer-top[data-astro-cid-sz7xmlte]{display:flex;justify-content:space-between;gap:2rem;margin-bottom:2rem;flex-wrap:wrap}.footer-brand[data-astro-cid-sz7xmlte]{flex:1;min-width:200px}.footer-brand[data-astro-cid-sz7xmlte] strong[data-astro-cid-sz7xmlte]{font-size:1.1rem;color:#fff;display:block;margin-bottom:.5rem}.footer-brand[data-astro-cid-sz7xmlte] p[data-astro-cid-sz7xmlte]{font-size:.85rem;color:#999;margin:0;line-height:1.5}.footer-links[data-astro-cid-sz7xmlte]{display:flex;gap:3rem}.footer-col[data-astro-cid-sz7xmlte]{display:flex;flex-direction:column;gap:.5rem}.footer-col[data-astro-cid-sz7xmlte] h4[data-astro-cid-sz7xmlte]{color:#fff;font-size:.85rem;margin-bottom:.3rem;font-weight:700}.footer-col[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]{color:#999;font-size:.85rem;transition:color .2s}.footer-col[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]:hover{color:#fff}.footer-bottom[data-astro-cid-sz7xmlte]{border-top:1px solid #444;padding-top:1rem}.footer-bottom[data-astro-cid-sz7xmlte] p[data-astro-cid-sz7xmlte]{font-size:.8rem;color:#777;margin:0;text-align:center}}header[data-astro-cid-3ef6ksr2]{margin:0;padding:0;background:#fff;position:sticky;top:0;z-index:100;border-bottom:1px solid var(--border-color)}.header-inner[data-astro-cid-3ef6ksr2]{padding:12px 16px;max-width:var(--content-max-width);margin:0 auto;box-sizing:border-box}.header-top[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.header-title[data-astro-cid-3ef6ksr2]{margin:0;font-size:1.1rem;font-weight:700;text-align:center;flex:1}.header-title[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]{color:var(--text-main)}.header-nav[data-astro-cid-3ef6ksr2]{display:none}.header-icons[data-astro-cid-3ef6ksr2]{display:flex;gap:12px;justify-content:flex-end;width:60px}.icon-btn[data-astro-cid-3ef6ksr2]{background:none;border:none;padding:0;cursor:pointer;color:var(--icon-blue);display:flex;align-items:center;justify-content:center}.icon-btn[data-astro-cid-3ef6ksr2] svg[data-astro-cid-3ef6ksr2]{width:24px;height:24px}.search-container[data-astro-cid-3ef6ksr2]{width:100%}.search-bar[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;background-color:#f2f2f7;border-radius:8px;padding:8px 12px;color:#8e8e93}.search-bar[data-astro-cid-3ef6ksr2] input[data-astro-cid-3ef6ksr2]{border:none;background:transparent;width:100%;margin-left:8px;font-size:.95rem;outline:none;color:var(--text-main)}.search-bar[data-astro-cid-3ef6ksr2] input[data-astro-cid-3ef6ksr2]::placeholder{color:#8e8e93}@media(min-width:768px){header[data-astro-cid-3ef6ksr2]{box-shadow:0 2px 8px #0000000f}.header-inner[data-astro-cid-3ef6ksr2]{padding:0 2rem;display:flex;align-items:center;gap:2rem;height:64px}.header-top[data-astro-cid-3ef6ksr2]{margin-bottom:0;flex-shrink:0}.header-title[data-astro-cid-3ef6ksr2]{flex:0 0 auto;font-size:1.2rem;text-align:left;white-space:nowrap}.header-nav[data-astro-cid-3ef6ksr2]{display:flex;gap:1.5rem;align-items:center;flex-shrink:0}.nav-link[data-astro-cid-3ef6ksr2]{font-size:.9rem;font-weight:600;color:var(--text-muted);transition:color .2s;white-space:nowrap}.nav-link[data-astro-cid-3ef6ksr2]:hover,.nav-link[data-astro-cid-3ef6ksr2].active{color:var(--icon-blue)}.search-container[data-astro-cid-3ef6ksr2]{flex:1;max-width:360px}.search-bar[data-astro-cid-3ef6ksr2]{border-radius:20px;padding:8px 16px}.header-icons[data-astro-cid-3ef6ksr2]{width:auto;flex-shrink:0}.icon-btn[data-astro-cid-3ef6ksr2]{padding:6px;border-radius:8px;transition:background-color .2s}.icon-btn[data-astro-cid-3ef6ksr2]:hover{background-color:#f2f2f7}}