:root{--paper:#f7f6f0;--ink:#171d32;--blue:#244bff;--red:#ec633e;--line:#dedfd8;--muted:#737888;font-family:Arial,'Hiragino Kaku Gothic ProN','Yu Gothic',Meiryo,sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}*{box-sizing:border-box}body{margin:0}a{color:inherit;text-decoration:none}button,input{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer;color:inherit}button:disabled{cursor:default;opacity:.45}button:focus-visible,a:focus-visible,canvas:focus-visible{outline:3px solid #eb743f;outline-offset:4px}[hidden]{display:none!important}.skip{position:fixed;top:-80px;left:20px;z-index:20;background:white;padding:16px}.skip:focus{top:10px}.header,main,footer{max-width:1320px;margin:auto}.header{height:98px;display:flex;align-items:center;justify-content:space-between;padding:0 40px;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:10px;font-size:27px;font-weight:800;letter-spacing:-1.2px}.brand-light{font-weight:400}.brand small{display:block;font-size:9px;letter-spacing:3px;margin-top:1px;text-align:center}.header nav{display:flex;align-items:center;gap:32px;font-size:12px;font-weight:700}.nav-play{background:var(--ink);color:white;padding:13px 22px;border-radius:30px}.nav-play span{margin-left:24px}main{padding:0 40px}.intro{display:flex;justify-content:space-between;align-items:center;padding:38px 0 29px}.eyebrow{font-size:10px;letter-spacing:1.8px;font-weight:700;margin:0 0 13px}.live-dot{display:inline-block;width:6px;height:6px;background:var(--blue);border-radius:50%;margin-right:8px}.intro h1{font-size:clamp(35px,4.5vw,59px);letter-spacing:-3px;margin:0 0 15px;line-height:1.2}.intro h1 em{font-style:normal;color:var(--blue)}.intro p:not(.eyebrow){color:var(--muted);font-size:13px;line-height:1.9;margin:0}.intro-side{text-align:right;display:flex;gap:20px;align-items:center}.intro-side>span{font-size:52px;font-weight:300;letter-spacing:-3px;color:#c4c7ce}.intro-side p{font-size:11px!important;text-align:left}.mobile-break{display:none}.game-layout{display:grid;grid-template-columns:minmax(0,1fr) 292px;gap:20px;scroll-margin-top:12px}.arena-panel{border:1px solid var(--line);border-radius:18px;overflow:hidden;background:#fff}.arena-top{padding:14px 18px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #eceeea;gap:8px}.mode-tabs{display:flex;gap:5px}.mode-tabs button{border:0;background:transparent;font-size:11px;padding:9px 11px;border-radius:20px;color:var(--muted);white-space:nowrap}.mode-tabs button.active{background:var(--ink);color:white}.mode-tabs span{padding-left:5px}.arena-actions{display:flex;align-items:center;gap:8px}.arena-actions button{background:transparent;border:1px solid #e7e8e1;border-radius:50%;width:30px;height:30px;font-size:17px}.arena-actions #sound{font-size:9px;border:0;width:45px}.stage{aspect-ratio:720/590;position:relative;background:#e9edf7;isolation:isolate;overflow:hidden}#game{display:block;width:100%;height:100%;touch-action:none;outline-offset:-4px}.scoreboard{position:absolute;top:18px;left:27px;right:27px;display:flex;align-items:center;justify-content:space-between;pointer-events:none}.scoreboard>span{display:flex;align-items:center;gap:9px;font-size:10px;letter-spacing:1.2px;font-weight:700}.scoreboard b{font-size:19px;letter-spacing:0}.player-dot,.cpu-dot{width:7px;height:7px;border-radius:50%;background:var(--blue)}.cpu-dot{background:var(--red)}.scoreboard>div{text-align:center}.scoreboard strong{display:block;font-size:29px;line-height:1;font-weight:400;font-variant-numeric:tabular-nums}.scoreboard small{font-size:7px;letter-spacing:1.6px;color:var(--muted)}.stage-label{position:absolute;left:22px;bottom:18px;letter-spacing:2px;font-size:7px;color:#8e97ae;pointer-events:none}.launch-hint{position:absolute;bottom:33px;left:50%;transform:translateX(-50%);padding:10px 15px;border-radius:24px;background:white;box-shadow:0 4px 24px #17234b12;font-size:11px;white-space:nowrap;pointer-events:none}.launch-hint span{color:var(--blue);margin-left:16px}.game-toolbar{padding:16px 20px;display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:77px}.game-toolbar p{font-size:10px;color:var(--muted);max-width:44%;margin:0;line-height:1.8}.game-toolbar>div{display:flex;gap:7px}.primary,.primary-link{display:inline-flex;justify-content:center;align-items:center;gap:24px;border:0;color:white;background:var(--blue);border-radius:8px;padding:13px 18px;font-size:12px;font-weight:700;white-space:nowrap;transition:background .15s,transform .15s}.primary:hover,.primary-link:hover{background:#1538d9;transform:translateY(-1px)}.primary span{font-size:16px}.subtle{font-size:10px;padding:8px;border:1px solid var(--line);border-radius:7px;background:white}.round-card{position:absolute;z-index:2;top:50%;left:50%;transform:translate(-50%,-50%);background:#ffffffed;backdrop-filter:blur(12px);padding:28px 34px;text-align:center;border:1px solid white;border-radius:15px;box-shadow:0 20px 90px #24335725;min-width:240px}.round-card h2{font-size:34px;letter-spacing:-1px;margin:8px 0}.round-card>p:not(.eyebrow){font-size:11px;color:var(--muted);line-height:1.8}.round-card .primary{width:100%;margin-top:10px}.workshop{background:#efefe8;border-radius:18px;padding:22px 22px 18px}.workshop-title{display:flex;justify-content:space-between;align-items:center}.workshop-title .eyebrow{font-size:9px;margin:0;letter-spacing:1px}.step-label{font-size:9px;color:var(--muted)}.glyph-spot{display:flex;align-items:center;gap:17px;padding:24px 0 20px}.glyph-spot>div:first-child{width:76px;height:76px;flex-shrink:0;background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:13px;color:var(--blue)}.glyph-spot svg{width:100%;height:100%}.glyph-spot h2{font-size:25px;margin:0 0 6px}.glyph-spot h2 span{display:block;font-size:10px;color:var(--muted);font-weight:400;margin-top:4px}.glyph-spot p{font-size:9px;margin:0;line-height:1.7;max-width:110px}.glyph-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:7px}.glyph-grid button{aspect-ratio:1;border:1px solid #d8dad3;background:transparent;border-radius:9px;padding:9px;position:relative;transition:background .15s,color .15s}.glyph-grid svg{width:100%;height:100%;display:block}.glyph-grid button span{position:absolute;opacity:0}.glyph-grid button:hover{background:white}.glyph-grid button.selected{background:var(--blue);border-color:var(--blue);color:white;box-shadow:0 4px 9px #244bff25}.spin-setting{display:flex;justify-content:space-between;align-items:center;margin:20px 0;padding-bottom:19px;border-bottom:1px solid #dadcd4;font-size:11px}.spin-setting button{border:0;background:transparent;font-size:11px;color:var(--blue);padding:5px}.local-record{display:flex;align-items:center;justify-content:space-between}.local-record span{font-size:10px;color:var(--muted)}.local-record strong{font-size:28px;font-weight:400}.workshop-note{font-size:10px;line-height:1.9;color:var(--muted);margin:18px 0 0}.share-row{padding:17px 0 21px;display:flex;align-items:center;gap:18px;border-bottom:1px solid var(--line);font-size:10px;flex-wrap:wrap}.share-row p{margin:0;color:var(--muted)}.share-row p span{color:var(--blue);font-size:15px;margin-right:9px}.share-row button{margin-left:auto;background:transparent;border:0;font-size:11px;font-weight:700}.share-row button span{margin-left:14px;color:var(--blue)}#share-status{width:100%;text-align:right;color:var(--blue)}#share-status:empty{display:none}.how-preview{display:grid;grid-template-columns:1.15fr 1fr 1fr 1fr;gap:40px;padding:45px 0;border-bottom:1px solid var(--line)}.how-preview .eyebrow{font-size:7px;letter-spacing:1px;color:var(--muted)}.how-preview h2{font-size:26px;line-height:1.4;margin:0 0 18px}.how-preview a{font-size:10px;color:var(--blue)}.how-preview article>span{color:var(--blue);font-size:12px;display:block;margin:7px 0 22px}.how-preview h3{font-size:14px;margin:0 0 12px}.how-preview article p{font-size:11px;color:var(--muted);line-height:1.9;margin:0}.home-note{padding:34px 0 42px;max-width:700px}.home-note h2{font-size:15px}.home-note p{font-size:12px;line-height:2;color:var(--muted)}.home-note a{font-size:11px;color:var(--blue)}footer{padding:30px 40px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:22px;flex-wrap:wrap}.foot-tag{font-size:9px;font-weight:400;letter-spacing:0;margin-left:12px}footer .brand{font-size:22px}footer>div{display:flex;gap:20px;font-size:10px}footer>p{font-size:9px;color:var(--muted)}.article{max-width:800px;padding-top:60px;padding-bottom:75px;min-height:70vh}.article h1{font-size:45px;line-height:1.4;letter-spacing:-1px;margin:0 0 28px}.article h2{font-size:21px;margin:38px 0 15px}.article p{font-size:14px;line-height:2.1;color:#5a6173}.article .lead{font-size:17px;color:var(--ink)}.article p a{color:var(--blue);text-decoration:underline;text-underline-offset:4px}.guide-list{padding-left:24px}.guide-list li::marker{color:var(--blue);font-weight:700}.article table{width:100%;border-collapse:collapse;font-size:12px;line-height:1.8}.article th,.article td{border-bottom:1px solid var(--line);padding:13px 8px;text-align:left;vertical-align:top}.arena-panel:fullscreen{display:flex;flex-direction:column;background:#e9edf7;max-width:none;width:100%;border:0;border-radius:0}.arena-panel:fullscreen .stage{flex:1;aspect-ratio:auto;min-height:0}.arena-panel:fullscreen .arena-top,.arena-panel:fullscreen .game-toolbar{background:white}.arena-panel:fullscreen canvas{height:100%;object-fit:contain}
@media(min-width:1450px){.stage{max-height:620px}}@media(max-width:1000px){.header,main,footer{padding-left:24px;padding-right:24px}.game-layout{grid-template-columns:minmax(0,1fr) 250px;gap:14px}.workshop{padding:18px 15px}.game-toolbar{padding:12px}.game-toolbar p{font-size:9px}.primary{padding:12px;font-size:11px}.intro-side{display:none}.glyph-spot{gap:10px}.how-preview{gap:24px}}@media(max-width:730px){.header{height:74px;padding:0 18px}.brand{font-size:24px}.brand img{width:30px;height:30px}.header nav{gap:17px;font-size:10px}.header nav>a:nth-child(2){display:none}.nav-play{padding:10px 14px}.nav-play span{margin-left:8px}main{padding:0 14px}.intro{padding:28px 4px 23px}.intro h1{font-size:39px;letter-spacing:-2px}.intro p:not(.eyebrow){font-size:11px}.eyebrow{font-size:9px}.game-layout{display:flex;flex-direction:column;gap:12px}.stage{aspect-ratio:720/650}.arena-top{padding:10px}.mode-tabs button{padding:8px 10px;font-size:10px}.arena-actions{gap:0}.arena-actions button{width:27px;height:27px}.scoreboard{top:17px;left:20px;right:20px}.scoreboard strong{font-size:24px}.scoreboard>span{font-size:8px;gap:7px}.scoreboard b{font-size:16px}.launch-hint{bottom:25px;font-size:10px;padding:9px 12px}.stage-label{font-size:5px;bottom:10px;left:13px}.game-toolbar{padding:12px;min-height:75px;gap:7px}.game-toolbar p{max-width:43%;font-size:9px}.game-toolbar>div{gap:4px}.game-toolbar .primary{font-size:10px;gap:10px;padding:12px}.subtle{font-size:9px;padding:6px}.workshop{padding:17px 17px 12px;display:grid;grid-template-columns:1fr 1.5fr;column-gap:15px}.workshop-title{grid-column:1/-1;margin-bottom:12px}.glyph-spot{padding:0 0 10px;gap:10px;align-items:center;flex-direction:column;text-align:center}.glyph-spot>div:first-child{width:62px;height:62px;padding:10px}.glyph-spot h2{font-size:20px;margin:0}.glyph-spot h2 span{display:inline;font-size:9px;margin-left:7px}.glyph-spot p{margin-top:6px;font-size:9px;max-width:none}.glyph-grid{gap:6px}.glyph-grid button{padding:8px}.spin-setting{grid-column:1/-1;margin:8px 0 10px;padding-bottom:8px;font-size:10px}.local-record{grid-column:1/-1}.local-record strong{font-size:22px}.workshop-note{display:none}.share-row{padding:15px 3px;gap:10px}.share-row p{font-size:9px}.share-row button{font-size:10px}.how-preview{padding:30px 4px;grid-template-columns:1fr 1fr;gap:25px}.how-preview h2{font-size:24px}.how-preview article>span{margin:0 0 17px}.how-preview h3{font-size:13px}.how-preview article p{font-size:10px}.home-note{padding:24px 4px 30px}.home-note p{font-size:11px}.home-note a{font-size:10px;line-height:1.8;display:block}footer{padding:24px 18px;gap:20px}footer>div{gap:15px;font-size:9px}footer>p{margin:0}.article{padding:35px 22px 50px}.article h1{font-size:33px}.article .lead{font-size:15px}.article p{font-size:13px}.article table{font-size:10px}.round-card{padding:22px;min-width:215px}.round-card h2{font-size:29px}.mobile-break{display:block}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition:none!important}}

@media(min-width:731px){.stage{height:clamp(360px,46vw,480px);aspect-ratio:auto}.arena-panel:fullscreen .stage{height:auto}}

.analytics-consent{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:20px 22px;margin:22px 0;border:1px solid var(--line);border-radius:12px;background:white;font-size:11px}.analytics-consent strong{font-size:12px}.analytics-consent p{color:var(--muted);line-height:1.8;max-width:670px}.analytics-consent a{color:var(--blue);font-size:10px}.analytics-actions{display:flex;gap:8px;flex-shrink:0}.analytics-actions button{border:1px solid var(--line);background:white;border-radius:7px;padding:10px 14px;font-size:11px}.analytics-actions button:last-child{background:var(--blue);color:white;border-color:var(--blue)}.analytics-preferences{border:0;background:transparent;padding:0;font:inherit}.analytics-preferences:hover{text-decoration:underline}@media(max-width:730px){.analytics-consent{flex-direction:column;align-items:flex-start;padding:18px;gap:8px}.analytics-actions{width:100%;justify-content:flex-end}footer>div{flex-wrap:wrap}}