.root{color-scheme:light}:root{--bg:#fafafa;--panel:#fff;--panelBorder:#e6e6e6;--text:#111;--muted:#555b66;--accent:#cc7a00;--accent2:#cc7a00;--success:#2ecc71;--warn:#f39c12;--danger:#e74c3c}body,html{min-height:100vh}body{margin:0;background:linear-gradient(to bottom right,#f9f9f9,#ffebb7);background-repeat:no-repeat;background-size:100% 100%;background-attachment:fixed;color:var(--text);font-family:system-ui,-apple-system,Noto Sans JP,Hiragino Kaku Gothic ProN,Meiryo,sans-serif}a{color:var(--accent2);text-decoration:none}.container{max-width:1040px;margin:0 auto;padding:28px}.card{background:var(--panel);border:1px solid var(--panelBorder);border-radius:12px;padding:16px;box-shadow:0 6px 18px rgba(0,0,0,.08)}.card-link{display:block;color:inherit}.card-link:hover{border-color:var(--accent)}.tall-card{min-height:420px}.home-card{min-height:140px}.display-card{min-height:unset}.btn{background:linear-gradient(135deg,#ffb74d,var(--accent));border:none;border-radius:10px;padding:12px 16px;color:#fff;font-weight:700;cursor:pointer;transition:transform .08s ease,filter .2s ease}.btn:hover{filter:brightness(1.08);transform:translateY(-1px)}.btn:active{transform:translateY(0);filter:brightness(.98)}.btn:disabled{opacity:.6;cursor:default}.btn-info{background:linear-gradient(135deg,var(--accent2),#0094cc);box-shadow:0 6px 18px rgba(0,194,255,.25)}input,select{background:#fff;border:1px solid var(--panelBorder);border-radius:10px;color:var(--text);padding:10px 12px;font-size:16px}label{display:block;margin-top:12px;margin-bottom:6px;color:var(--muted)}h1,h2,h3{margin:0 0 12px}.grid-cards{display:grid;grid-gap:20px;gap:20px;grid-template-columns:repeat(auto-fit,minmax(380px,1fr))}.muted,.subtitle{color:var(--muted)}.subtitle{margin-top:-6px;margin-bottom:18px}.scoreboard{margin-top:16px}.score-row{display:flex;align-items:center;justify-content:space-between;padding:12px;border-bottom:1px solid var(--panelBorder)}.scoreboard .score-row:last-child{border-bottom:none}.score-left{display:flex;align-items:baseline;gap:10px;min-width:0;white-space:nowrap}.score-left span:last-child{overflow:hidden;text-overflow:ellipsis}.rank{width:36px;text-align:center;font-weight:800}.medal-1{color:#ffd166}.medal-2{color:#d3d6e2}.medal-3{color:#f29e85}.chip{background:#fff3d6;border:1px solid #ffdca3;border-radius:999px;padding:2px 10px;font-size:13px;color:#7a5a00}.value{font-weight:800;font-size:22px}.page-title{font-size:44px;letter-spacing:.5px;margin-bottom:6px;color:var(--accent)}.section-title{font-size:26px;margin-bottom:6px}.danger-text{color:var(--danger)}.btn-danger{background:transparent;color:var(--danger)!important;border:1px solid var(--danger)}.btn-danger:hover{filter:none;transform:none}.autumn-background{background:linear-gradient(to bottom right,#f9f9f9,#ffebb7);background-repeat:no-repeat;background-size:cover;border:1px solid #ffebb7;border-radius:5px}.leaves-container{position:absolute;inset:0;overflow:hidden;pointer-events:none;z-index:0;margin:0;padding:0}.content-layer{position:relative;z-index:1}.leaf{position:absolute;background-size:contain;background-repeat:no-repeat;background-position:50%;animation:animate-leaf 8s linear 1 forwards;left:0;opacity:0;will-change:transform,opacity,top}.leaf-1{background-image:url(/leafs/leaf-1.svg)}.leaf-1,.leaf-2{width:50px;height:50px}.leaf-2{background-image:url(/leafs/leaf-2.svg)}.leaf-3{background-image:url(/leafs/leaf-3.svg);width:50px;height:50px}@keyframes animate-leaf{0%{opacity:0;top:-10%;transform:rotate(0deg)}10%{opacity:1}90%{opacity:1}to{opacity:0;top:110vh;transform:rotate(3turn)}}