:root{--ink:#06131e;--ink-soft:#112232;--chalk:#f4f8f5;--paper:#fff;--sky:#e3f0f9;--line:#cfdde6;
--grass:#14623c;--grass-deep:#0d4a2c;--ball:#c8312b;--sun:#ffd24a;--gut:16px;
--head:"Bricolage Grotesque","Trebuchet MS","Segoe UI",system-ui,sans-serif;
--body:"Figtree","Segoe UI",system-ui,-apple-system,Roboto,Arial,sans-serif;color-scheme:light}
html:lang(ja){--head:"Bricolage Grotesque","Hiragino Sans","Hiragino Kaku Gothic ProN","Yu Gothic UI","Yu Gothic","Meiryo","Noto Sans CJK JP",sans-serif;--body:"Figtree","Hiragino Sans","Hiragino Kaku Gothic ProN","Yu Gothic UI","Yu Gothic","Meiryo","Noto Sans CJK JP",sans-serif;line-break:strict}
html:lang(ko){--head:"Bricolage Grotesque","Apple SD Gothic Neo","Malgun Gothic","Noto Sans CJK KR",sans-serif;--body:"Figtree","Apple SD Gothic Neo","Malgun Gothic","Noto Sans CJK KR",sans-serif;word-break:keep-all}
html:lang(ja) body,html:lang(ko) body{line-height:1.85}
html:lang(ja) :is(h1,h2,h3),html:lang(ko) :is(h1,h2,h3){letter-spacing:0;line-height:1.3}

*,*::before,*::after{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:16px;scrollbar-width:thin;scrollbar-color:var(--grass) transparent}
html.lock{overflow:hidden}
::-webkit-scrollbar{width:6px;height:6px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--grass);border-radius:6px}
::-webkit-scrollbar-thumb:hover{background:var(--grass-deep)}
body{margin:0;background:var(--chalk);color:var(--ink);font:400 1.0625rem/1.65 var(--body);min-height:100vh;display:flex;flex-direction:column;overflow-x:hidden}
main{flex:1 0 auto}
img,svg{max-width:100%}
a{color:var(--grass)}
:focus-visible{outline:3px solid var(--ink);outline-offset:3px;border-radius:4px}
.pitch :focus-visible,.foot :focus-visible{outline-color:#fff}
.skip{position:absolute;left:12px;top:-70px;z-index:1000;padding:10px 16px;border-radius:8px;background:var(--sun);color:var(--ink);font-weight:700;text-decoration:none}
.skip:focus{top:12px}
.wrap{width:min(1180px,calc(100% - 2*var(--gut) - 2*max(env(safe-area-inset-left,0px),env(safe-area-inset-right,0px))));margin-inline:auto}
h1,h2,h3{margin:0;font-family:var(--head);font-optical-sizing:auto;line-height:1.1;text-wrap:balance}
h1{font-weight:800;font-size:clamp(1.9rem,5.2vw,3.5rem);letter-spacing:-.025em}
h2{font-weight:800;font-size:clamp(1.55rem,3.4vw,2.3rem);letter-spacing:-.02em}
h3{font-weight:700;font-size:1.2rem}
p{margin:0 0 1em}
@media(max-width:350px){:root{--gut:10px}}
@media(min-width:1500px){html{font-size:106.25%}}

/*  header  */
.top{position:relative;z-index:60;background:var(--paper);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;flex-wrap:wrap;align-items:center;gap:10px;min-height:68px;padding-block:8px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;min-width:0;color:var(--ink);text-decoration:none}
.brand img{display:block;width:40px;height:40px;border-radius:10px}
.brand b{font:800 1.3rem/1 var(--head);letter-spacing:-.02em;white-space:nowrap}
.nav{display:flex;gap:2px;margin-left:auto}
.nav a{padding:9px 14px;border-radius:999px;color:var(--ink);font-size:.95rem;font-weight:600;text-decoration:none;white-space:nowrap}
.nav a:hover{background:var(--chalk)}
.lang{position:relative}
.lang summary{display:inline-flex;align-items:center;gap:6px;height:44px;padding:0 12px;border:1.5px solid var(--line);border-radius:12px;background:var(--paper);cursor:pointer;list-style:none;font:700 .9rem/1 var(--body)}
.lang summary::-webkit-details-marker{display:none}
.lang summary svg{width:18px;height:18px}
.lang summary::after{content:"";width:6px;height:6px;margin:-3px 0 0 2px;border:solid currentColor;border-width:0 2px 2px 0;rotate:45deg}
.lang[open] summary{border-color:var(--ink);background:var(--sun)}
.lang ul{position:absolute;right:0;top:calc(100% + 8px);z-index:70;min-width:176px;margin:0;padding:6px;list-style:none;border:1px solid var(--line);border-radius:14px;background:var(--paper);box-shadow:0 18px 40px -10px rgba(14,31,44,.35)}
.lang a{display:block;padding:10px 12px;border-radius:9px;color:var(--ink);font-weight:600;text-decoration:none}
.lang a:hover{background:var(--chalk)}
.lang a[aria-current]{background:var(--sun)}
.burger{display:none;position:relative;flex-shrink:0;width:44px;height:44px;padding:0;border:1.5px solid var(--line);border-radius:12px;background:var(--paper);cursor:pointer}
.burger span{position:absolute;left:11px;right:11px;height:2px;border-radius:2px;background:var(--ink);transition:transform .2s,opacity .2s,top .2s}
.burger span:nth-child(1){top:14px}
.burger span:nth-child(2){top:20px}
.burger span:nth-child(3){top:26px}
.burger[aria-expanded="true"]{border-color:var(--ink);background:var(--sun)}
.burger[aria-expanded="true"] span:nth-child(1){top:20px;transform:rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){top:20px;transform:rotate(-45deg)}
@media(max-width:960px){
 .nav{order:3;width:100%;margin:0;overflow-x:auto;scrollbar-width:none}
 .lang{margin-left:auto}
 .js .burger{display:block}
 .js .nav{order:0;position:absolute;left:0;right:0;top:100%;display:none;flex-direction:column;gap:2px;width:auto;max-height:calc(100vh - 80px);max-height:calc(100dvh - 80px);padding:10px max(var(--gut),env(safe-area-inset-left,0px)) 18px;overflow-y:auto;border-bottom:1px solid var(--line);background:var(--paper);box-shadow:0 20px 30px -12px rgba(14,31,44,.25)}
 .js .nav.open{display:flex}
 .js .nav a{padding:14px;border-radius:12px;font-size:1.05rem}
}
@media(max-width:380px){.brand{gap:8px}.brand b{font-size:1.08rem}.top .wrap{gap:8px}}

/*  hero: the pitch  */
.pitch{position:relative;padding:30px 0 40px;background:var(--grass) repeating-linear-gradient(90deg,rgba(255,255,255,.05) 0 90px,transparent 90px 180px);color:#fff}
.pitch-head{margin-bottom:26px}
.pitch-head p{max-width:62ch;margin:14px 0 0;color:#daf9e7;font-size:1.1rem}
.pitch a{color:#fff}
@media(min-width:900px){
 .pitch-head{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:40px;align-items:end}
 .pitch-head h1{font-size:clamp(2rem,3.6vw,3rem)}
 .pitch-head p{margin:0 0 4px}
}
@media(max-height:500px) and (orientation:landscape){.pitch-head p{display:none}.pitch{padding-top:16px}.sec{padding:40px 0!important}}

/*  banner slots (JS-filled, fixed size = no layout shift)  */
.slot{display:flex;align-items:center;justify-content:center;width:728px;height:90px;max-width:100%;margin:22px auto;overflow:hidden;border-radius:12px;background:rgba(14,31,44,.05);contain:layout paint}
.pitch .slot{background:rgba(255,255,255,.12)}
@media(max-width:1023px){.slot{width:300px;height:250px}}
@media print{.slot{display:none}}

/*  game frame  */
.frame{width:min(100%,max(480px,calc((100vh - 150px)*1.4167)));width:min(100%,max(480px,calc((100dvh - 150px)*1.4167)));margin:0 auto;overflow:hidden;border:6px solid var(--chalk);border-radius:24px;background:var(--ink);box-shadow:0 26px 50px -14px rgba(0,0,0,.55)}
.stage{position:relative;aspect-ratio:850/600;background:#0b1a26}
@media(max-width:640px){.stage{aspect-ratio:4/3}.frame{border-width:4px;border-radius:18px}}
.poster,.stage iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.poster{object-fit:cover}
.stage iframe{background:transparent}
.veil{position:absolute;inset:0;display:grid;place-items:center;background:linear-gradient(rgba(14,31,44,.1),rgba(14,31,44,.55))}
.play{display:inline-flex;align-items:center;gap:14px;padding:9px 30px 9px 9px;border:0;border-radius:999px;background:var(--sun);color:var(--ink);cursor:pointer;font:800 clamp(1.2rem,3vw,1.7rem)/1 var(--head);box-shadow:0 12px 28px rgba(0,0,0,.4);transition:transform .15s,box-shadow .15s}
.play .ico{display:grid;place-items:center;width:clamp(44px,7vw,62px);height:clamp(44px,7vw,62px);border-radius:50%;background:var(--ink);color:var(--sun)}
.play svg{width:46%;height:46%;margin-left:6%}
.play:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(0,0,0,.45)}
.play:active{transform:translateY(1px)}
.help{position:absolute;z-index:2;left:10px;right:10px;bottom:10px;margin:0;padding:10px 14px;border-radius:12px;background:var(--chalk);color:var(--ink);font-size:.92rem;line-height:1.4;text-align:center}
.help a{color:var(--ink);font-weight:700;text-underline-offset:3px}
.bar{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;padding:12px;background:var(--ink)}
.tool{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:44px;padding:10px 20px;border:0;border-radius:999px;background:var(--chalk);color:var(--ink);cursor:pointer;font:700 .95rem/1 var(--body);text-decoration:none;transition:filter .15s}
.tool svg{width:16px;height:16px;flex-shrink:0}
.tool:hover{filter:brightness(.93)}
.tool--main{background:var(--sun)}
.tool:disabled{opacity:.4;cursor:not-allowed;filter:none}
.bar .tool:focus-visible{outline-color:var(--sun)}
@media(max-width:380px){.tool{flex:1 1 100%}}
.frame.is-fs{position:fixed;inset:0;z-index:9999;display:flex;flex-direction:column;width:100%;height:100%;max-width:none;margin:0;padding:env(safe-area-inset-top,0px) env(safe-area-inset-right,0px) env(safe-area-inset-bottom,0px) env(safe-area-inset-left,0px);border:0;border-radius:0;box-shadow:none}
.frame.is-fs .stage{flex:1;min-height:0;aspect-ratio:auto}

/*  sections  */
.sec{padding:72px 0}
@media(max-width:640px){.sec{padding:48px 0}}
.sec--white{background:var(--paper)}
.sec--sky{background:var(--sky)}
.sec .lead{max-width:60ch;margin:12px 0 0;color:var(--ink-soft)}
.center{text-align:center}

.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin:40px 0 0;padding:0;list-style:none;counter-reset:s}
.steps li{position:relative;counter-increment:s;padding:12px 12px 22px;border:1px solid var(--line);border-radius:22px;background:var(--chalk)}
.steps li::before{content:counter(s);position:absolute;top:22px;left:22px;z-index:1;display:grid;place-items:center;width:42px;height:42px;border-radius:50%;background:var(--ball);color:#fff;font:800 1.2rem/1 var(--head);box-shadow:0 4px 10px rgba(0,0,0,.25)}
.steps img{display:block;width:100%;height:auto;aspect-ratio:4/3;margin-bottom:16px;border-radius:14px;background:var(--sky);object-fit:cover}
.steps h3,.steps p{padding-inline:8px}
.steps p{margin:8px 0 0;color:var(--ink-soft)}
@media(max-width:860px){.steps{grid-template-columns:1fr;max-width:540px;margin-inline:auto}}

.band{position:relative;isolation:isolate;overflow:hidden;padding:48px 0;background:var(--sun);color:var(--ink)}
.band::before{content:"";position:absolute;inset:0;z-index:-1;background:repeating-linear-gradient(90deg,transparent 0 90px,rgba(14,31,44,.05) 90px 180px)}
.band .wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px 40px}
.band p{max-width:52ch;margin:10px 0 0}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:16px 28px;border:0;border-radius:14px;background:var(--ink);color:var(--sun);font:800 1.1rem/1.2 var(--head);text-align:center;text-decoration:none;transition:transform .15s,box-shadow .15s}
.btn svg{width:18px;height:18px;flex-shrink:0}
.btn:hover{transform:translateY(-2px);box-shadow:0 10px 22px -8px rgba(14,31,44,.6)}
.btn--green{background:var(--grass);color:#fff}
@media(max-width:560px){.band .btn{width:100%}}

.about{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr);gap:48px;align-items:start}
.prose{max-width:70ch}
.prose h2{margin:0 0 18px}
.prose h3{margin:28px 0 8px}
.prose ul{margin:0 0 1em;padding:0;list-style:none}
.prose li{position:relative;margin-bottom:.6em;padding-left:26px}
.prose li::before{content:"";position:absolute;left:2px;top:.62em;width:10px;height:10px;border-radius:50%;background:var(--ball)}
.facts{margin:0;padding:8px 24px;border-radius:22px;background:var(--ink);color:var(--chalk)}
.facts div{padding:14px 0;border-bottom:1px solid rgba(255,255,255,.14)}
.facts div:last-child{border:0}
.facts dt{color:#9db3c5;font-size:.85rem;font-weight:600}
.facts dd{margin:2px 0 0;color:var(--sun);font:700 1.2rem/1.3 var(--head)}
@media(max-width:900px){.about{grid-template-columns:1fr;gap:30px}}

.terms{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,260px),1fr));gap:16px;margin:32px 0 0}
.terms div{padding:16px 18px 18px;border:1px solid var(--line);border-left:5px solid var(--ball);border-radius:14px;background:var(--paper)}
.terms dt{font:800 1.2rem/1.2 var(--head)}
.terms dd{margin:8px 0 0;color:var(--ink-soft)}
.note-line{max-width:60ch;margin:28px 0 0;font:700 1.15rem/1.4 var(--head)}

.faq{max-width:820px;margin:32px auto 0;border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{position:relative;padding:20px 52px 20px 0;cursor:pointer;list-style:none;font:700 1.1rem/1.35 var(--head)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:0;top:50%;display:grid;place-items:center;width:34px;height:34px;translate:0 -50%;border-radius:50%;background:var(--chalk);font:700 1.4rem/1 var(--body);transition:background .15s}
.faq details[open] summary::after{content:"\2212";background:var(--sun)}
.faq details p{margin:0;padding:0 52px 22px 0;color:var(--ink-soft)}

.games{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,150px),1fr));gap:16px;margin:32px 0 0;padding:0;list-style:none}
.g{display:block;height:100%;overflow:hidden;border:1px solid var(--line);border-radius:16px;background:var(--paper);color:inherit;text-decoration:none;transition:box-shadow .2s,border-color .2s}
.g .th{aspect-ratio:3/2;background:var(--sky)}
.g img{display:block;width:100%;height:100%;object-fit:cover}
.g .tx{padding:10px 12px 14px}
.g b{display:block;font:700 1.05rem/1.2 var(--head)}
.g span{display:block;margin-top:4px;color:var(--ink-soft);font-size:.88rem;line-height:1.35}
.g:hover{border-color:var(--grass);box-shadow:0 14px 28px -14px rgba(14,31,44,.45)}
@media(max-width:400px){.games{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}}

/*  plain pages (about, privacy)  */
.page-head{padding:40px 0 8px}
.page-head p{margin:12px 0 0;color:var(--ink-soft);font-size:1.15rem}
.crumbs{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 16px;padding:0;list-style:none;font-size:.9rem}
.crumbs li+li::before{content:"/";margin-right:8px;color:var(--ink-soft)}
.doc{padding:20px 0 64px}
.doc .prose{overflow-wrap:anywhere;max-width:820px;padding:clamp(18px,4vw,40px);border:1px solid var(--line);border-radius:22px;background:var(--paper)}
.doc .prose h2{margin:30px 0 8px;font-size:1.4rem}
.doc .prose h2:first-child{margin-top:0}
.doc .prose a{text-underline-offset:3px}
.doc blockquote{margin:0 0 1.2em;padding-left:16px;border-left:4px solid var(--sun);color:var(--ink-soft)}
.note{color:var(--ink-soft);font-style:italic}

/*  404  */
.nf{align-items:center;justify-content:center;padding:32px 16px;text-align:center}
.nf main{display:flex;flex:0 0 auto;flex-direction:column;align-items:center}
.nf .brand{margin-bottom:24px}
.nf h1{font-size:clamp(4.5rem,22vw,9rem);line-height:1;letter-spacing:-.04em;color:var(--ball);text-shadow:5px 5px 0 var(--ink)}
.nf h2{margin:18px 0 6px;font-size:1.6rem}
.nf p{max-width:44ch;margin:0 0 26px;color:var(--ink-soft)}
.nf .links{display:flex;flex-wrap:wrap;justify-content:center;gap:6px 22px;margin-top:28px;font-size:.95rem}
.nf small{margin-top:34px;color:var(--ink-soft)}

/*  footer  */
.foot{padding:40px 0 calc(30px + env(safe-area-inset-bottom,0px));background:var(--ink);color:#c9d8e4;font-size:.95rem}
.foot a{color:#fff;text-underline-offset:3px}
.foot .row{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px}
.foot .flogo{display:block;padding:8px 14px;border-radius:12px;background:#051c30}
.foot .flogo img{display:block;width:auto;height:40px}
.foot ul{display:flex;flex-wrap:wrap;gap:6px 22px;margin:0;padding:0;list-style:none}
.foot .langs{justify-content:flex-start;margin-top:22px;padding-top:18px;border-top:1px solid rgba(255,255,255,.16)}
.foot .langs span{color:#fff;font-weight:700}
.foot .disc{max-width:86ch;margin:22px 0 14px;color:#bee2ff;font-size:.88rem;line-height:1.6}
.foot .copy{margin:0;font-size:.88rem}

@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}}