:root{--bg:#faf9f7;--fg:#2b2926;--muted:#6f6b66;--line:#e4e0da;--accent:#8a6d4b;--card:#fff}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--fg);font-family:"Hiragino Sans","Hiragino Kaku Gothic ProN","Noto Sans JP","Yu Gothic",sans-serif;line-height:1.8;font-size:16px}
a{color:inherit;text-decoration:none}
.wrap{max-width:1100px;margin:0 auto;padding:0 16px}
header{border-bottom:1px solid var(--line);background:var(--card)}
header .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 16px}
.brand{font-weight:700;letter-spacing:.06em}
.brand img{height:32px;display:block}
header nav a{font-size:14px;color:var(--muted);margin-left:16px}
h1{font-size:22px;margin:28px 0 6px;letter-spacing:.04em}
.lead{color:var(--muted);margin:0 0 18px;font-size:14px}
.filters{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 22px}
.filters button{border:1px solid var(--line);background:var(--card);border-radius:999px;padding:6px 14px;font-size:13px;color:var(--fg);cursor:pointer}
.filters button[aria-pressed="true"]{background:var(--fg);color:#fff;border-color:var(--fg)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:22px 18px;margin:0 0 48px}
.card{display:block;background:var(--card);border:1px solid var(--line);border-radius:6px;overflow:hidden}
.card img{display:block;width:100%;aspect-ratio:3/2;object-fit:cover;background:#ddd}
.card .body{padding:12px 14px 14px}
.card h2{font-size:15px;margin:0 0 6px;line-height:1.5}
.card .client{font-size:13px;color:var(--muted);margin:0 0 6px}
.tags{display:flex;flex-wrap:wrap;gap:6px;margin:0;padding:0;list-style:none}
.tags li{font-size:12px;border:1px solid var(--line);border-radius:3px;padding:1px 8px;color:var(--muted)}
.tags li.use{border-color:var(--accent);color:var(--accent)}
.hidden{display:none}
.empty{color:var(--muted);padding:40px 0;text-align:center}
.project .hero{width:100%;height:auto;display:block;border-radius:6px;background:#ddd}
.project h1{font-size:24px;margin:22px 0 10px}
.project .client{color:var(--muted);margin:0 0 10px}
.project .text{max-width:720px;margin:22px 0}
.project .text p{margin:0 0 1.2em}
.spec{max-width:720px;border-top:1px solid var(--line);margin:26px 0;padding:0}
.spec div{display:grid;grid-template-columns:110px 1fr;gap:10px;padding:10px 0;border-bottom:1px solid var(--line);font-size:14px}
.spec dt{color:var(--muted)}
.spec dd{margin:0;word-break:break-all}
.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:14px;margin:26px 0}
.gallery img{width:100%;height:auto;display:block;border-radius:4px;background:#ddd}
.cta{display:inline-block;background:var(--fg);color:#fff;padding:12px 22px;border-radius:4px;font-size:14px;margin:8px 0 28px}
.back{display:inline-block;font-size:14px;color:var(--muted);margin:0 0 40px}
footer{border-top:1px solid var(--line);color:var(--muted);font-size:13px;padding:22px 0 36px;margin-top:20px}