:root{--ink:#18202b;--muted:#687385;--line:#dfe5ec;--paper:#fff;--bg:#f3f6f9;--primary:#315b8a;--primary-dark:#1f3f63;--accent:#c78636}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:"Segoe UI","Noto Sans JP",sans-serif}.select-header{height:72px;padding:0 max(20px,calc((100vw - 1240px)/2));display:flex;align-items:center;justify-content:space-between;background:#152536;color:#fff;border-bottom:3px solid var(--accent)}.select-brand{color:#fff;text-decoration:none}.select-brand b,.select-brand small{display:block}.select-brand small{color:#b9c6d4;font-size:11px;margin-top:3px}.select-header nav{display:flex;gap:14px;align-items:center}.select-header nav a{color:#fff;text-decoration:none}.select-header form{margin:0}main{max-width:1240px;margin:auto;padding:34px 20px 80px}.button{display:inline-flex;justify-content:center;align-items:center;border:0;border-radius:8px;background:var(--primary);color:#fff;padding:12px 18px;text-decoration:none;font-weight:750;cursor:pointer}.button:hover{background:var(--primary-dark)}.button.secondary{background:#253342}.button.compact{padding:8px 12px}.text-button{border:0;background:none;color:#fff;cursor:pointer}.eyebrow{color:var(--primary);font-weight:850;font-size:11px;letter-spacing:.12em}.catalog-hero{background:#fff;border:1px solid var(--line);border-radius:14px;padding:26px 30px}.catalog-hero h1{margin:5px 0 8px}.catalog-hero p{color:var(--muted)}.filters{display:grid;grid-template-columns:2fr 1.4fr repeat(4,1fr);gap:10px;margin:18px 0;padding:16px;background:#fff;border:1px solid var(--line);border-radius:12px}.filters .button{grid-column:auto}.check{display:flex;gap:7px;align-items:center;font-size:13px}input,select,textarea{width:100%;padding:11px 12px;border:1px solid #cfd7e1;border-radius:8px;background:#fff;font:inherit}textarea{min-height:120px;resize:vertical}.product-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:15px}.product-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:12px;padding:13px;min-width:0}.product-card a{text-decoration:none;color:inherit}.product-card img{display:block;width:100%;aspect-ratio:1/1;object-fit:contain;background:#f8fafc;border-radius:8px}.product-card h2{height:3em;overflow:hidden;font-size:14px;line-height:1.5;margin:12px 0}.select-check{position:absolute;top:20px;left:20px;z-index:1;background:rgba(255,255,255,.92);border-radius:5px;padding:5px;font-size:11px}.select-check input{width:auto}.metrics{display:flex;gap:6px;flex-wrap:wrap}.metrics span,.metrics b,.state-row span{padding:5px 7px;border-radius:5px;background:#edf3f8;font-size:11px}.metrics b{background:#e5eef8;color:var(--primary-dark)}.price{font-size:18px;font-weight:800;margin:11px 0}.state-row{display:flex;gap:6px}.export-bar,.login-notice{position:sticky;bottom:15px;margin-top:20px;padding:14px 18px;border:1px solid var(--line);border-radius:10px;background:rgba(255,255,255,.96);box-shadow:0 8px 30px rgba(20,40,60,.12);display:flex;align-items:center;justify-content:space-between}.auth-panel{max-width:480px;margin:50px auto;background:#fff;border:1px solid var(--line);border-radius:14px;padding:32px}.auth-panel>p{color:var(--muted)}.stack{display:grid;gap:14px}.stack label{display:grid;gap:6px;font-size:13px;font-weight:700}.alert,.warning{padding:12px;border-radius:8px;background:#fff1ed;color:#932e16}.switch{text-align:center}.detail{display:grid;grid-template-columns:1fr 1fr;gap:40px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:28px;margin-top:18px}.detail-image{width:100%;aspect-ratio:1/1;object-fit:contain}.detail h1{font-size:25px;line-height:1.5}.detail-metrics{display:flex;gap:12px;flex-wrap:wrap;margin:20px 0}.detail-metrics b{font-size:26px}.workspace{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:18px}.workspace article{background:#fff;border:1px solid var(--line);border-radius:12px;padding:24px}.workspace ol{color:var(--muted);line-height:1.8}.copy-button{margin-top:12px;border:1px solid var(--primary);border-radius:8px;background:#fff;color:var(--primary);padding:10px 14px;cursor:pointer}.back{color:var(--primary)}@media(max-width:960px){.filters{grid-template-columns:repeat(2,1fr)}.product-grid{grid-template-columns:repeat(3,1fr)}}@media(max-width:680px){.select-header{height:auto;padding:14px 16px}.select-brand small,.select-header nav>span{display:none}main{padding:20px 12px 60px}.catalog-hero{padding:20px}.catalog-hero h1{font-size:23px}.filters{grid-template-columns:1fr}.product-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}.product-card{padding:9px}.product-card h2{font-size:12px}.detail,.workspace{grid-template-columns:1fr;padding:18px;gap:18px}.export-bar,.login-notice{display:block}.export-bar .button{width:100%}}