:root{font-family:Inter,"Noto Sans JP",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#34415b;background:#f7f8fc;--ink:#34415b;--muted:#778298;--paper:#fff;--line:#e0e5ef;--accent:#6677b7;--accent-dark:#4e5e9a;--tint:#e9edf9}
*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}button,.button{display:inline-flex;justify-content:center;align-items:center;gap:9px;border:1px solid #d6ddeb;background:#fff;color:var(--ink);border-radius:12px;padding:11px 16px;min-height:44px;font-weight:650;text-decoration:none;cursor:pointer;touch-action:manipulation}button:disabled{opacity:.45;cursor:default}.primary{background:var(--accent);border-color:var(--accent);color:white;box-shadow:0 3px 0 var(--accent-dark)}.primary:hover:not(:disabled){background:var(--accent-dark)}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #3679c4;outline-offset:3px}
header{max-width:1160px;margin:auto;padding:23px 28px;display:flex;align-items:center;gap:12px;justify-content:space-between}.brand{color:var(--ink);font-size:22px;font-weight:800;letter-spacing:-.04em;display:flex;align-items:center;gap:10px;text-decoration:none}.brand img{border-radius:10px}.header-tools{margin-left:auto}.languages{display:flex;gap:3px}.languages button{padding:6px 9px;min-height:32px;font-size:11px;background:transparent;border-color:transparent}.languages button[aria-pressed=true]{background:var(--tint);color:var(--accent-dark)}
main{max-width:1000px;margin:auto;padding:24px 28px 190px}h1,h2,p{margin-top:0}h1{font-size:clamp(32px,5.5vw,58px);line-height:1.25;letter-spacing:-.055em}h2{font-size:25px;line-height:1.5;letter-spacing:-.025em}p{line-height:1.8;color:var(--muted)}.eyebrow{font-size:11px;font-weight:800;letter-spacing:.18em;color:var(--accent);margin-bottom:12px}.pill{display:inline-flex;padding:7px 12px;border:1px solid #d8e0f1;border-radius:24px;background:#edf0fa;color:var(--accent-dark);font-size:11px;font-weight:700}.panel{margin:18px 0;padding:25px;background:var(--paper);border:1px solid var(--line);border-radius:22px;box-shadow:0 4px 18px #34415b04}.hero{display:grid;grid-template-columns:1.3fr 1fr;align-items:center;gap:30px;padding:35px 0 65px}.hero h1{margin:22px 0}.hero-art{position:relative;display:grid;place-items:center;min-height:300px;background:radial-gradient(ellipse,#e3eafa,transparent 70%)}.hero-art img{transform:rotate(-7deg);filter:drop-shadow(0 12px 0 #d9dfef)}.art-label{margin-top:20px;font-size:10px;font-weight:800;letter-spacing:.16em;color:var(--accent)}.actions{display:flex;gap:12px;flex-wrap:wrap;margin:22px 0}.rules{border:1px solid var(--line);border-radius:15px;padding:17px 20px;margin:22px 0;background:#fff}.rules summary{font-weight:700;cursor:pointer}.rules ol{padding-left:22px;line-height:1.9;color:var(--muted);font-size:13px}.rules li+li{margin-top:10px}
label{display:grid;gap:8px;font-size:12px;font-weight:700;color:#63708a}input,select{min-height:44px;min-width:0;width:100%;padding:10px 12px;background:#fff;border:1px solid #d6ddeb;border-radius:10px;color:var(--ink)}input:disabled,select:disabled{background:#f5f6fa}.settings-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:17px;align-items:end}.settings-grid>button{justify-self:start}.note{font-size:12px;line-height:1.8;margin:15px 0}.room-heading,.match-heading{display:flex;justify-content:space-between;align-items:center;gap:16px;margin:10px 0 26px}.room-heading h1{font-size:34px;margin-bottom:12px}.code{font-family:ui-monospace,monospace;letter-spacing:.07em}.asset-status{font-size:12px;color:#5a8b79}.roster{margin-top:24px}.member{display:flex;flex-wrap:wrap;align-items:center;gap:12px;padding:15px 0;border-top:1px solid var(--line)}.member>div:first-child{flex:1;min-width:100px}.member small{display:block;color:var(--muted);font-size:10px;margin-top:5px}.badge{font-size:11px;color:var(--muted)}.name-form{display:flex;gap:7px;max-width:230px}.name-form input{max-width:145px}.name-form button{font-size:11px;padding:8px 10px}.participation-choices{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px}.participation-choices button{font-size:12px}.participation-choices [aria-pressed=true]{background:var(--tint);border-color:#b9c5e6;color:var(--accent-dark)}.connection{font-size:11px;margin:20px 0 0}.connection button{font-size:11px;min-height:32px;padding:5px 10px}.status-dot{display:inline-block;width:6px;height:6px;background:#6ca68e;border-radius:50%;margin-right:7px}.error{color:#b75457;font-size:12px;min-height:1em}.match-heading h1{font-size:30px;margin:0}
.clocks{display:grid;grid-template-columns:repeat(auto-fit,minmax(145px,1fr));gap:10px;margin:20px 0}.clock-card{padding:13px 15px;border:1px solid var(--line);border-radius:16px;background:white;position:relative;min-width:0}.clock-card.active{border:2px solid var(--player);padding:12px 14px;box-shadow:0 4px 0 color-mix(in srgb,var(--player) 25%,transparent)}.clock-card>div:first-child{display:flex;justify-content:space-between;align-items:center;gap:6px}.clock-card strong{font-size:12px;overflow-wrap:anywhere}.clock-card small{font-size:10px;color:var(--muted)}.clock-card>b{display:block;font-size:32px;font-variant-numeric:tabular-nums;letter-spacing:-.05em;margin:8px 0 6px}.clock-card .danger{color:#b95c61}.clock-track{height:5px;border-radius:5px;background:#edf0f6;overflow:hidden;margin-bottom:8px}.clock-track>span{height:100%;display:block;background:var(--player);border-radius:5px;transition:width .1s linear}.clock-card.out{opacity:.5;background:#eef0f5}.clock-card.out>b{text-decoration:line-through}.question-panel{text-align:center;padding:28px 32px}.question-panel h2{font-size:clamp(21px,3.5vw,30px);margin:12px 0 25px}.turn-label{color:var(--accent-dark);font-size:13px;font-weight:800;margin:0}.question-art{display:grid;place-items:center;min-height:200px;margin:0 auto 24px}.question-art img{max-width:100%;height:auto;border-radius:24px}.choices{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;text-align:left}.choices button{justify-content:flex-start;min-height:65px;padding:15px;font-size:17px;text-align:left;overflow-wrap:anywhere}.choices button>span{display:grid;place-items:center;flex-shrink:0;width:29px;height:29px;border-radius:9px;background:var(--tint);font-size:12px;color:var(--accent-dark)}.answer-row{display:flex;gap:10px;max-width:600px;margin:0 auto}.answer-row input{flex:1;font-size:20px;min-height:52px}.answer-row button{flex-shrink:0}.sr-label{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}.feedback{min-height:24px;margin:18px 0 10px;font-size:13px;font-weight:700}.failure,.penalty{color:#b95c61}.pass{font-size:12px;color:var(--muted);border-style:dashed;background:transparent;margin-top:4px}.record{border:1px solid #e3d8dd;background:#fffafa;border-radius:20px;padding:23px;margin:18px 0}.record.success{border-color:#cde3d9;background:#f4fcf7;color:#427e63}.record p{font-size:14px;margin:10px 0 0}.record b{color:var(--ink)}.penalty{font-size:11px}.result-banner{text-align:center;border:1px solid #d8dff0;border-radius:22px;padding:28px;background:linear-gradient(120deg,#e9effa,#f8f1df);margin:22px 0}.result-banner h2{margin-bottom:0}.practice-metrics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin:20px 0}.practice-metrics>div{padding:20px 12px;text-align:center;border-radius:16px;background:#fff;border:1px solid var(--line)}.practice-metrics strong{display:block;font-size:30px;font-variant-numeric:tabular-nums}.practice-metrics span{font-size:11px;color:var(--muted)}.match-membership{margin-top:25px}footer{max-width:1000px;margin:auto;padding:0 28px 120px;font-size:12px}footer a{color:var(--muted)}
@media(max-width:620px){header{padding:17px 18px}.brand{font-size:18px}main{padding:16px 16px 190px}.hero{grid-template-columns:1fr;padding-top:15px;gap:12px}.hero-art{min-height:200px}.hero-art img{width:170px;height:170px}.hero h1{font-size:39px}.panel{padding:20px 16px}.room-heading,.match-heading{align-items:flex-start;flex-wrap:wrap}.match-heading h1{font-size:26px}.settings-grid{gap:13px}.clocks{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.clock-card{padding:10px 12px}.clock-card.active{padding:9px 11px}.clock-card>b{font-size:28px;margin:5px 0}.question-panel{padding:22px 16px}.question-panel h2{margin-bottom:20px}.choices{gap:9px}.choices button{padding:12px 10px;min-height:60px;font-size:15px;gap:8px}.answer-row{flex-wrap:wrap}.answer-row input{min-width:100%;font-size:18px}.answer-row button{width:100%}.name-form{max-width:100%}.member>div:first-child{min-width:90px}.record{padding:18px}.practice-metrics strong{font-size:24px}.practice-metrics span{font-size:10px}.hero .actions{flex-direction:column}.hero .actions .button{width:100%}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{transition:none!important;animation:none!important}}
@media(max-width:620px){.clocks{display:flex;position:sticky;top:0;z-index:3;background:#f7f8fc;overflow-x:auto;padding:6px 0 8px;scroll-snap-type:x proximity}.clock-card{flex:0 0 120px;scroll-snap-align:start}.clock-card.active{order:-1}.clock-card>b{font-size:27px}.question-art{min-height:170px;margin-bottom:16px}.question-art img{width:204px;height:170px}}