@import url('https://fonts.googleapis.com/css2?family=Barlow+Condensed:wght@500;600;700;800&family=Noto+Sans+JP:wght@400;500;700;900&display=swap');
:root{--bg:#090b0c;--panel:#101416;--line:#293136;--text:#eef0ed;--muted:#798187;--lime:#d7ff45;--orange:#ff703d}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:radial-gradient(circle at 70% 15%,#20272b,transparent 35%),var(--bg);color:var(--text);font-family:'Noto Sans JP',sans-serif}button{font:inherit}.hidden{display:none!important}header{height:66px;border-bottom:1px solid var(--line);padding:0 4vw;display:flex;align-items:center;justify-content:space-between}header a{font:800 24px 'Barlow Condensed';color:#fff;text-decoration:none}header span{font:700 13px 'Barlow Condensed';letter-spacing:.24em}header button,#exit{border:1px solid var(--line);background:#0b0e10;color:#929ba0;padding:8px 14px;cursor:pointer}.entry{min-height:calc(100vh - 66px);max-width:1500px;margin:auto;display:grid;grid-template-columns:.8fr 1.2fr;gap:7vw;align-items:center;padding:55px 6vw}.eyebrow{font:700 10px 'Barlow Condensed';letter-spacing:.27em;color:var(--lime)}.intro h1{font:800 clamp(65px,8vw,120px)/.76 'Barlow Condensed';margin:20px 0 35px;letter-spacing:-.035em}.intro h1 i{font-style:normal;color:transparent;-webkit-text-stroke:1px #738086}.intro>p:not(.eyebrow){color:#90999e;max-width:500px;line-height:1.9;font-size:14px}.meta{margin-top:35px;color:#687178;font:600 11px 'Barlow Condensed';letter-spacing:.15em}.meta b{font-size:25px;color:#fff;margin-right:6px}.selector{border:1px solid var(--line);background:#0d1113;padding:32px;max-width:760px}.selector-head{display:flex;justify-content:space-between;align-items:end;border-bottom:1px solid var(--line);padding-bottom:17px;margin-bottom:20px}.selector-head small{color:var(--lime);font:700 9px 'Barlow Condensed';letter-spacing:.2em}.rooms{display:grid;grid-template-columns:repeat(3,1fr);gap:9px}.room{min-height:74px;text-align:left;border:1px solid #303a40;background:#090c0e;color:#788187;padding:13px;cursor:pointer}.room:hover:not(:disabled){border-color:#879496}.room.active{border-color:var(--lime);box-shadow:inset 3px 0 var(--lime);background:#151b16}.room:disabled{opacity:.35}.room b{display:block;font:800 18px 'Barlow Condensed';color:#fff}.room small{font-size:9px}.choice-title{font:700 9px 'Barlow Condensed';letter-spacing:.18em;color:#657078;margin:23px 0 8px}.sides{display:grid;grid-template-columns:1fr 1fr;gap:9px}.sides label input{position:absolute;opacity:0}.sides label>span{display:grid;grid-template-columns:28px 1fr;align-items:center;border:1px solid #303a40;padding:14px;cursor:pointer}.sides input:checked+span{border-color:var(--lime);background:#151b16}.sides i{grid-row:1/3;width:16px;height:28px;clip-path:polygon(50% 0,100% 28%,100% 100%,0 100%,0 28%)}.light-piece{background:#f5ead5}.dark-piece{background:var(--orange)}.sides b{font:800 15px 'Barlow Condensed'}.sides small{color:#707980;font-size:9px}.main-btn{width:100%;margin-top:22px;border:0;background:var(--lime);color:#0a0c08;padding:15px 17px;font-weight:900;display:flex;justify-content:space-between;cursor:pointer}.main-btn:disabled{opacity:.3}#error,#hint{color:#ff7b7b;font-size:11px;min-height:16px}.game{padding:18px 3vw 45px}.gamebar{max-width:1450px;margin:auto;display:flex;align-items:center;gap:40px;border:1px solid var(--line);padding:10px 15px;background:#0d1113}.gamebar div small{display:block;font:600 8px 'Barlow Condensed';letter-spacing:.16em;color:#69747a}.gamebar div b{font:800 17px 'Barlow Condensed'}.gamebar #exit{margin-left:auto}.lobby{max-width:760px;margin:10vh auto;border:1px solid var(--line);background:#0d1113;padding:50px;text-align:center}.lobby h2{font:800 48px 'Barlow Condensed';margin:10px}.seats{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:30px 0}.seat{border:1px solid var(--line);padding:20px}.seat b{display:block;font:800 18px 'Barlow Condensed'}.seat span{font-size:10px;color:#717c82}.lobby .main-btn{max-width:320px;margin:20px auto}.play{max-width:1450px;margin:18px auto;display:grid;grid-template-columns:210px minmax(620px,1fr) 210px;gap:20px}.play aside{border:1px solid var(--line);background:#0d1113;padding:20px}.play aside h2{font:800 30px/1 'Barlow Condensed';margin:15px 0}.play aside>p:not(.eyebrow){font-size:12px;color:#818b91;line-height:1.7}.speed{border-top:1px solid var(--line);margin-top:20px;padding-top:15px;display:grid;gap:7px;font-size:10px;color:#778187}.speed b{color:#c9d0cc}.board-shell{aspect-ratio:1;max-height:calc(100vh - 125px);margin:auto;width:100%;background:#121719;border:1px solid #394349;padding:5%;box-shadow:0 30px 80px #0008}.board{height:100%;display:grid;grid-template-columns:repeat(7,1fr);grid-template-rows:repeat(7,1fr);background:linear-gradient(#252d31 1px,transparent 1px),linear-gradient(90deg,#252d31 1px,transparent 1px);background-size:calc(100% / 6) calc(100% / 6);position:relative}.cell{position:relative;display:grid;place-items:center}.cell.inner:after{content:'';width:10px;height:10px;border:1px solid #3e484d;border-radius:50%}.piece{position:absolute;z-index:4;width:38%;height:68%;clip-path:polygon(50% 0,100% 24%,100% 100%,0 100%,0 24%);filter:drop-shadow(0 5px 5px #0009);transition:.2s}.piece.light{background:#f3e9d5;transform:rotate(90deg)}.piece.dark{background:var(--orange);transform:rotate(180deg)}.piece.light.back{transform:rotate(-90deg)}.piece.dark.back{transform:rotate(0)}.piece.selectable{cursor:pointer;animation:glow 1.4s infinite}.piece.selectable:hover{filter:drop-shadow(0 0 9px var(--lime));scale:1.14}.edge-num{color:#667177;font:700 11px 'Barlow Condensed'}.done-dot{width:11px;height:11px;background:var(--lime);border-radius:50%;box-shadow:0 0 8px var(--lime)}.log #logs{display:grid}.log-item{font-size:10px;color:#7c878d;border-bottom:1px solid #20282c;padding:10px 0}.log-item:last-child{color:#e4e9e6}.winner{color:var(--lime)!important;font-size:36px!important}dialog{width:min(620px,calc(100% - 28px));background:#0d1113;color:#eef0ed;border:1px solid #3a4449;padding:35px}dialog::backdrop{background:#050607dd}dialog h2{font:800 48px 'Barlow Condensed'}dialog ol{list-style:none;padding:0;display:grid;gap:16px}dialog li{border-top:1px solid var(--line);padding-top:13px;display:grid;grid-template-columns:100px 1fr;gap:15px}dialog li b{color:var(--lime)}dialog li span{color:#879197;font-size:12px;line-height:1.7}.close{float:right;border:0;background:none;color:#899399;font-size:24px}@keyframes glow{50%{filter:drop-shadow(0 0 8px var(--lime))}}@media(max-width:1000px){.entry{grid-template-columns:1fr;gap:35px}.intro h1{font-size:72px}.intro{max-width:700px}.selector{max-width:none}.play{grid-template-columns:1fr}.play aside{order:0}.board-shell{order:1}.log{order:2}}@media(max-width:650px){.entry{padding:38px 14px}.intro h1{font-size:58px}.selector{padding:19px}.rooms{grid-template-columns:repeat(2,1fr)}.room{min-height:68px}.game{padding:10px 7px}.gamebar{gap:15px}.play{margin-top:10px}.board-shell{padding:3%}.piece{width:48%;height:72%}.lobby{margin:5vh auto;padding:30px 15px}.play aside{padding:14px}dialog{padding:26px 16px}dialog li{grid-template-columns:1fr;gap:4px}}