:root{font-family:"Yu Gothic UI","Meiryo",sans-serif;color:#233d32;background:#f5f5ed;font-synthesis:none;--green:#205744;--muted:#67776e;--yellow:#efd05b;--border:#dbe3d7}*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}button,a,input,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer;border:0;border-radius:12px;min-height:46px;padding:11px 19px;font-weight:700;color:inherit;background:#e5ebdf;transition:background .15s,transform .15s}button:hover:not(:disabled){background:#d6e1d0}button:active:not(:disabled){transform:translateY(1px)}button:disabled{cursor:default;opacity:.42}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #c78613;outline-offset:4px}.primary{background:var(--green);color:white}.primary:hover:not(:disabled){background:#153f30}.secondary{background:white;border:1px solid var(--border)}.gold{background:var(--yellow)}.danger{color:#a13f2d;background:#fbebe5}.small{font-size:13px;min-height:38px;padding:7px 13px}.site-header{height:76px;padding:0 5%;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border);background:#fcfcf7}.brand{color:var(--green);font-weight:800;font-size:24px;letter-spacing:-1px;display:flex;align-items:center;text-decoration:none;gap:0}.brand>span:not(.brand-icon):not(.brand-caption){font-weight:400}.brand-icon{display:inline-grid;place-items:center;width:36px;height:36px;background:var(--green);color:var(--yellow);border-radius:11px;margin-right:10px}.brand-caption{font-size:11px;letter-spacing:.09em;color:var(--muted);margin-left:22px;font-weight:500}.connection{font-size:12px;border:1px solid var(--border);padding:7px 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0;background:#e8ecd9;border-radius:50%}.mock-card{position:absolute;width:105px;height:146px;border-radius:14px;border:5px solid white;box-shadow:0 8px 18px #1d493719;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:13px;font-size:38px;font-weight:800;top:20px;color:white;background:var(--green)}.mock-card span{font-size:11px;letter-spacing:.1em}.mock-card:nth-child(1){left:25px;transform:rotate(-15deg);background:#dbac39}.mock-card:nth-child(2){left:120px;top:0;transform:rotate(3deg)}.mock-card:nth-child(3){left:215px;transform:rotate(17deg);background:#4a8da2}.entry{background:#fff;border:1px solid var(--border);border-radius:24px;padding:30px;box-shadow:0 16px 55px #26463209}.entry h2{font-size:23px;margin:0 0 8px}.muted{color:var(--muted);font-size:13px;line-height:1.8}.tabs{display:grid;grid-template-columns:1fr 1fr;gap:5px;border-radius:12px;background:#edf1e7;padding:5px;margin:25px 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@media(min-width:1500px){.landing{padding-top:95px}.hero h1{font-size:64px}}@media(max-width:1000px){.landing{gap:30px;padding:45px 5% 20px}.entry{padding:24px}.hero h1{font-size:40px}.board-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.room{padding:20px 3%}.hand-card{width:110px;flex-basis:110px}.flow{margin:10px 5% 25px;gap:15px;padding:20px 0}.flow-item{font-size:11px;gap:7px}.brand-caption{display:none}}@media(max-width:650px){.site-header{height:64px;padding:0 5%}.landing{grid-template-columns:1fr;gap:24px;padding:30px 6%}.hero h1{font-size:36px}.hero p{font-size:13px}.illustration{display:none}.hero .chips{margin-top:18px}.hero .eyebrow{margin-bottom:12px}.entry{padding:22px}.flow{flex-direction:column;margin:0 6% 20px}.flow-item{font-size:12px}.lobby-grid{grid-template-columns:1fr}.room-title h1{font-size:20px}.room-code strong{font-size:20px}.players{gap:6px}.player{min-width:96px;padding:10px}.player .name{font-size:11px}.player .score{font-size:16px}.board-grid{gap:9px}.topic-panel{padding:8px}.topic-top{gap:6px}.topic-top h3{font-size:10px}.topic-top img{height:37px;width:26px}.slots{gap:3px}.slot{font-size:10px}.hand-section{padding:12px}.hand-card{width:105px;flex-basis:105px}.answer-panel{padding:18px 12px}.answer-panel h2{font-size:18px}.answer-cards{gap:6px}.answer-card .selected-badge{width:25px;height:25px;font-size:13px}.actions button{padding:10px 14px}.actions .selection-summary{width:100%}.status-banner{font-size:12px;padding:12px}.status-banner strong{font-size:13px}.room-number-large{font-size:40px}.panel{padding:20px}.action-options{grid-template-columns:1fr}.leaderboard{font-size:12px}.leaderboard th,.leaderboard td{padding:12px 5px}}