*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:#1a1a1a;color:#e0e0e0;font-family:"Segoe UI",system-ui,sans-serif;line-height:1.7}
header.heavy{background:linear-gradient(rgba(0,0,0,.6),rgba(0,0,0,.7)),url(img/stones.jpg) center/cover no-repeat;padding:50px 20px 30px;text-align:center;color:#fff;border-bottom:6px solid #c9a227}
.logo{width:80px;height:80px;margin:0 auto 14px;background:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;overflow:hidden;border:3px solid #c9a227}
.logo img{width:100%;height:100%;object-fit:cover}
header.heavy h1{font-size:1.8rem;font-weight:700;letter-spacing:.05em;margin:0}
header.heavy p{font-size:.9rem;opacity:.85;margin-top:6px}
nav.steel{background:#111;display:flex;justify-content:center;gap:2px;flex-wrap:wrap;padding:8px;border-bottom:1px solid #333}
nav.steel a{color:#ccc;text-decoration:none;padding:10px 18px;font-size:.8rem;letter-spacing:.04em}
nav.steel a.on{background:#c9a227;color:#111}
main{max-width:740px;margin:0 auto;padding:36px 20px 70px}
h2{font-size:1.3rem;margin:32px 0 12px;color:#c9a227;font-weight:600}
p,li{margin:0 0 14px}
ul{margin:0 0 14px 1.3em}
img{width:100%;height:auto;display:block;margin:16px 0;border:1px solid #333}
.cap{color:#888;font-size:.82rem;margin:-8px 0 18px}
.pair{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:14px 0}
.pair img{margin:0}
table{width:100%;border-collapse:collapse;margin:12px 0 18px;font-size:.92rem;background:#222}
th,td{border-bottom:1px solid #333;padding:9px 6px;text-align:left}
th{color:#c9a227}
.note{background:#222;padding:16px;margin:20px 0;border-left:4px solid #c9a227;font-size:.92rem}
footer.base{background:#111;color:#aaa;padding:32px 20px 20px;font-size:.88rem;border-top:4px solid #c9a227}
.fgrid{max-width:900px;margin:0 auto;display:grid;grid-template-columns:1fr 1fr 1fr;gap:20px}
footer.base a{color:#c9a227;text-decoration:none}
footer.base h3{color:#fff;font-size:.95rem;margin:0 0 8px}
.end{color:#666;font-size:.85rem}
a{color:#c9a227}
@media(max-width:700px){.pair,.fgrid{grid-template-columns:1fr}}