:root{--bg:#f5f7fb;--bg2:#eef2f8;--card:#ffffff;--card2:#f4f6fb;--line:#e4e9f1;--text:#1a2233;--muted:#6b7689;--gold:#b8860b;--gold2:#e9b949;--accent:#3b6fe0;--green:#18a86b;--red:#e0453e;--orange:#c2790a;--radius:16px;--shadow:0 1px 2px rgba(20,30,60,.04),0 6px 18px rgba(20,30,60,.05)}*{box-sizing:border-box}body,html{padding:0;margin:0}body{background:var(--bg);color:var(--text);font-family:-apple-system,Hiragino Kaku Gothic ProN,Noto Sans JP,Meiryo,system-ui,sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{cursor:pointer}button,input,select{font-family:inherit}.muted{color:var(--muted)}.gold{color:var(--gold)}.green{color:var(--green)}.red{color:var(--red)}.center{text-align:center}.row{display:flex;align-items:center;gap:12px}.between{justify-content:space-between}.wrap{flex-wrap:wrap}.grow{flex:1 1}.stack{display:flex;flex-direction:column;gap:12px}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow)}.card.tight{padding:14px}.pill{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:999px;font-size:12px;font-weight:700;background:var(--card2);border:1px solid var(--line);color:var(--muted)}.pill.green{color:var(--green);border-color:#bde9d3;background:#e8f7ef}.pill.red{color:var(--red);border-color:#f4c8c4;background:#fdecea}.pill.orange{color:var(--orange);border-color:#f1dcab;background:#fdf4e1}.btn{background:var(--accent);color:#fff;border:none;padding:11px 16px;border-radius:12px;font-weight:700;font-size:14px;transition:filter .15s,box-shadow .15s}.btn:hover{filter:brightness(1.05)}.btn.gold{background:linear-gradient(135deg,#e9b949,#f5d77a);color:#5a460a}.btn.ghost{background:#fff;border:1px solid var(--line);color:var(--text)}.btn.sm{padding:7px 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90px}.hero{border-radius:20px;padding:20px;position:relative;overflow:hidden;background:radial-gradient(120% 120% at 100% 0,rgba(233,185,73,.22),transparent 55%),linear-gradient(135deg,#ffffff,#fbf7ec);border:1px solid #ecdfba;box-shadow:var(--shadow)}.rankbadge{display:inline-flex;align-items:center;gap:8px;padding:6px 12px;border-radius:999px;font-weight:800;font-size:13px;color:var(--gold);background:rgba(233,185,73,.16);border:1px solid rgba(184,134,11,.35)}.progress{height:9px;background:#ece2c6;border-radius:999px;overflow:hidden}.progress>div{height:100%;background:linear-gradient(90deg,#d9a82a,#f5d77a)}.nav{position:fixed;bottom:0;left:0;right:0;z-index:30;max-width:460px;margin:0 auto;background:rgba(255,255,255,.92);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-top:1px solid var(--line);justify-content:space-around;padding:8px 4px 14px}.nav,.nav a{display:flex}.nav a{flex-direction:column;align-items:center;gap:3px;font-size:11px;color:var(--muted);font-weight:700;padding:4px 10px;border-radius:12px}.nav a.active{color:var(--gold)}.nav .ico{font-size:19px}.rankrow{display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:14px;border:1px solid var(--line);background:var(--card)}.rankrow.me{border-color:#e6cd86;background:linear-gradient(135deg,#fdf6e4,#ffffff)}.medal{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;font-weight:800;background:var(--card2);border:1px solid var(--line);flex-shrink:0}.medal.g1{background:linear-gradient(135deg,#f5d77a,#e9b949);color:#5a460a;border:none}.medal.g2{background:linear-gradient(135deg,#e3e7ee,#c2cad6);color:#2b313b;border:none}.medal.g3{background:linear-gradient(135deg,#e6b888,#d08a4d);color:#3a210c;border:none}.admin{display:flex;min-height:100vh}.side{width:240px;flex-shrink:0;background:#ffffff;border-right:1px solid var(--line);padding:18px 14px;position:-webkit-sticky;position:sticky;top:0;height:100vh}.side h1{font-size:15px;margin:6px 8px 18px}.side a{display:flex;align-items:center;gap:10px;padding:11px 12px;border-radius:10px;color:var(--muted);font-weight:700;font-size:14px;margin-bottom:4px}.side a.active,.side a:hover{background:var(--card2);color:var(--text)}.main{flex:1 1;padding:26px 30px;max-width:1200px}.grid4{grid-template-columns:repeat(4,1fr);grid-gap:14px}.grid3,.grid4{display:grid;gap:14px}.grid3{grid-template-columns:repeat(3,1fr);grid-gap:14px}.grid2{display:grid;grid-template-columns:1fr 1fr;grid-gap:14px;gap:14px}.h2{font-size:20px;font-weight:800;margin:0 0 4px}.sub{color:var(--muted);font-size:13px;margin:0 0 20px}.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:var(--green);color:#ffffff;padding:12px 20px;border-radius:12px;font-weight:800;z-index:100;box-shadow:0 10px 30px rgba(0,0,0,.18)}.legal{max-width:820px;margin:0 auto;padding:34px 20px 90px}.legal .back{font-size:13px;font-weight:700;color:var(--muted)}.legal h1{font-size:25px;margin:16px 0 6px}.legal .updated{color:var(--muted);font-size:12px;margin:0 0 22px}.legal .lead{font-size:14px;line-height:1.95;color:#39435a}.legal h2{font-size:16px;margin:26px 0 8px;padding-left:11px;border-left:4px solid var(--gold2)}.legal p{font-size:14px;line-height:1.95;color:#39435a;margin:6px 0}.legal ul{margin:6px 0;padding-left:20px}.legal li{font-size:14px;line-height:1.9;color:#39435a}.legal .tkbl th{width:32%;background:var(--bg2);font-weight:700;color:var(--text)}.legal .tkbl td,.legal .tkbl th{vertical-align:top}.legal .note{font-size:12px;color:var(--muted);margin-top:28px}@media (max-width:760px){.grid4{grid-template-columns:1fr 1fr}.grid2,.grid3{grid-template-columns:1fr}.side{width:64px}.side a span.txt,.side h1{display:none}.main{padding:18px 14px}}