:root{--bg: #0f0f0f;--surface: #1a1a1a;--surface-2: #232323;--text: #f5f5f5;--text-dim: #a8a8a8;--accent: #d4af37;--accent-2: #b8941f;--danger: #e85d5d;--line-green: #06c755;--border: #2c2c2c;--radius: 12px;--radius-sm: 8px;font-family:-apple-system,BlinkMacSystemFont,Helvetica Neue,Hiragino Sans,Noto Sans JP,sans-serif}*{box-sizing:border-box}html,body{margin:0;padding:0;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}input,select,textarea{font-family:inherit;background:var(--surface-2);color:var(--text);border:1px solid var(--border);border-radius:var(--radius-sm);padding:10px 12px;font-size:15px;width:100%}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--accent)}.container{max-width:720px;margin:0 auto;padding:16px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 18px;border-radius:var(--radius-sm);background:var(--surface-2);color:var(--text);font-weight:600;font-size:15px;transition:opacity .2s}.btn:hover{opacity:.85}.btn-primary{background:var(--accent);color:#1a1a1a}.btn-line{background:var(--line-green);color:#fff;font-size:17px;padding:16px;width:100%}.btn-danger{background:var(--danger);color:#fff}.btn-ghost{background:transparent;border:1px solid var(--border)}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px;margin-bottom:12px}.label{display:block;color:var(--text-dim);font-size:12px;margin-bottom:4px;margin-top:12px}.spec-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px 16px}.spec-grid>div{padding:6px 0;border-bottom:1px solid var(--border)}.spec-grid .k{color:var(--text-dim);font-size:12px}.spec-grid .v{font-size:14px}.price{font-family:Georgia,serif;color:var(--accent);font-size:32px;font-weight:700}.hero{width:100%;aspect-ratio:4/3;background:#000;object-fit:cover;border-radius:var(--radius)}.thumb-row{display:flex;gap:6px;overflow-x:auto;padding:8px 0;scrollbar-width:thin}.thumb-row img{width:80px;height:60px;object-fit:cover;border-radius:var(--radius-sm);cursor:pointer;border:2px solid transparent}.thumb-row img.active{border-color:var(--accent)}.section-title{font-size:13px;color:var(--text-dim);margin:24px 0 8px;padding-bottom:6px;border-bottom:1px solid var(--border)}.cta-fixed{position:sticky;bottom:0;background:linear-gradient(to top,var(--bg),rgba(15,15,15,.95));padding:12px 16px;margin:0 -16px}body.shooting{overflow:hidden}video{background:#000}