:root{--navy:#111c35;--blue:#3156d3;--blue-dark:#2445b4;--cream:#f5f3ed;--white:#fdfdfb;--ink:#172037;--muted:#6d7380;--line:#d8d8d2}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:var(--cream);font-family:"Instrument Sans",sans-serif;-webkit-font-smoothing:antialiased}button,input,select{font:inherit}a,button{-webkit-tap-highlight-color:transparent}.logo{width:max-content;display:inline-flex;align-items:center;color:var(--navy);text-decoration:none;font-size:20px;font-weight:700;line-height:1;letter-spacing:-.075em}.logo-box{margin-left:1px;padding:3px 5px 2px;color:#fff;background:var(--blue);border-radius:2px}.board-header{height:76px;padding:0 max(24px,calc((100vw - 1200px)/2));position:sticky;z-index:30;top:0;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;background:rgba(253,253,251,.95);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}.board-header 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a.active{color:var(--navy);background:#fff}.category-strip{margin:35px 0 26px;padding-bottom:10px;display:flex;gap:7px;overflow-x:auto;scrollbar-width:thin}.category-strip a{padding:8px 11px;flex:0 0 auto;color:var(--muted);background:#f4f4f1;border:1px solid #e1e1db;border-radius:7px;text-decoration:none;font-size:11px}.category-strip a:hover,.category-strip a.active{color:#fff;background:var(--blue);border-color:var(--blue)}.rank-list{border-top:1px solid #bfc1c7}.rank-row{min-height:116px;padding:20px 0;display:grid;grid-template-columns:70px minmax(260px,1fr) 190px 115px 145px;align-items:center;gap:18px;border-bottom:1px solid var(--line)}.rank-row.top-rank{margin:0 -16px;padding:20px 16px;background:#f5f7ff}.rank-row.rank-1{background:#edf1ff}.rank-number{color:#9095a1;font:500 22px "IBM Plex Mono",monospace}.rank-number span{font-size:11px}.rank-1 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a.raise{color:#fff;background:var(--navy);border-color:var(--navy)}.empty-board{padding:75px 20px;text-align:center}.empty-board strong,.empty-board span{display:block}.empty-board strong{font-size:25px}.empty-board span{margin-top:8px;color:var(--muted)}.empty-board a{margin-top:22px;display:inline-block;color:var(--blue)}.pagination{margin-top:30px;display:flex;align-items:center;justify-content:center;gap:24px}.pagination a{color:var(--blue);text-decoration:none}.pagination span{color:var(--muted);font-size:12px}.activity-section{max-width:1144px;margin:auto;padding:100px 0;display:grid;grid-template-columns:1fr 1.25fr;gap:80px}.activity-section ol{margin:0;padding:0;list-style:none;border-top:1px solid var(--line)}.activity-section li{padding:16px 0;display:grid;grid-template-columns:1fr auto 80px;gap:18px;border-bottom:1px solid var(--line);font-size:12px}.activity-section li a{color:var(--navy);font-weight:600;text-decoration:none}.activity-section li 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