:root{--ink:#1d1d1b;--sub:#6b6a66;--line:#e6e3dc;--bg:#f7f6f2;--surface:#fff;--accent:#e2553d;--radius:12px;--font:"Hiragino Sans","Hiragino Kaku Gothic ProN","Noto Sans JP","Yu Gothic UI","Yu Gothic",Meiryo,system-ui,sans-serif}
*{box-sizing:border-box}html{color:var(--ink);background:var(--bg);font-family:var(--font);line-height:1.6;-webkit-text-size-adjust:100%}body{margin:0}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer}button,a{touch-action:manipulation;-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible{outline:2px solid #345ec4;outline-offset:4px}img{max-width:100%}
.site{max-width:1040px;margin:auto;padding:0 28px;min-height:100vh;display:flex;flex-direction:column}.site>main{flex:1}
.skip{position:absolute;left:10px;top:-60px;background:#fff;padding:12px;z-index:10}.skip:focus{top:10px}
header{display:flex;align-items:baseline;gap:14px;flex-wrap:wrap;padding:36px 0 30px}.brand{font-size:28px;font-weight:800;letter-spacing:-.04em;line-height:1.2}.brand::before{content:"";display:inline-block;width:.62em;height:.62em;margin-right:.3em;border-radius:50%;background:var(--accent);vertical-align:.02em}.tagline{margin:0;font-size:13px;color:var(--sub)}
.intro{margin:0 0 26px}.intro h1{margin:0;font-size:20px;font-weight:700;letter-spacing:.02em}.intro p{margin:4px 0 0;font-size:14px;color:var(--sub)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:22px;align-items:start}
.card{min-width:0;display:block;background:var(--surface);border-radius:var(--radius);overflow:hidden;box-shadow:0 1px 2px #0000000d,0 0 0 1px var(--line);transition:transform .18s ease,box-shadow .18s ease}.card:hover{transform:translateY(-3px);box-shadow:0 10px 24px #0000001a,0 0 0 1px var(--line)}
.card img{display:block;width:100%;height:auto;aspect-ratio:1;object-fit:cover;background:#eee}.card h2{font-size:15px;line-height:1.45;font-weight:700;margin:0;padding:12px 14px 2px}.meta{display:block;padding:0 14px 13px;font-size:12px;color:var(--sub)}.ext{font-weight:400;color:var(--sub);font-size:13px;margin-left:3px}
.empty{grid-column:1/-1;padding:35px 0 55px;color:var(--sub);font-size:14px}.empty button{display:block;margin-top:15px;padding:0;background:none;border:0;text-decoration:underline;color:#333;font-size:14px}
footer{display:flex;flex-wrap:wrap;align-items:center;gap:8px 20px;border-top:1px solid var(--line);margin-top:64px;padding:22px 0 34px;font-size:12px;color:var(--sub)}footer a:hover,footer button:hover{color:var(--ink)}footer>button{padding:0;border:0;background:none;color:inherit;font-size:12px}
.player-head{display:flex;flex-direction:column;align-items:flex-start;gap:6px;margin:0 0 18px}.player-head h1{font-size:24px;font-weight:700;margin:0}.back{font-size:14px;color:var(--sub)}.back:hover{color:var(--ink)}.frame{width:100%;height:min(680px,75svh);min-height:440px;border:0;display:block;background:#192c44}.below{font-size:13px;color:var(--sub);margin:15px 0 30px}.error{padding:35px 0}.error h1{font-size:22px}.error a{display:inline-block;margin-top:20px;text-decoration:underline}.error button{border:1px solid var(--line);background:var(--surface);border-radius:999px;padding:8px 18px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(max-width:520px){.site{padding:0 16px}header{padding:24px 0 20px;gap:4px 12px}.brand{font-size:24px}.intro{margin-bottom:18px}.intro h1{font-size:18px}.grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.card h2{font-size:14px;padding:10px 11px 1px}.meta{padding:0 11px 11px}.frame{height:68svh}.player-head h1{font-size:20px}footer{margin-top:44px}}
.card img.contain{object-fit:contain;background:#f6f5ef;padding:12px}.external-play{display:inline-block;background:var(--ink);color:#fff;border-radius:999px;padding:12px 26px;font-size:15px;font-weight:700;margin:4px 0 35px}.external-play:hover{background:#000}
.game-detail p{max-width:640px;font-size:15px;line-height:1.9}

.download-page{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:28px;font-size:15px;line-height:1.8}.download-cover{width:100%;height:auto}.download-button{border:1px solid #333;background:#222;color:white;border-radius:3px;padding:12px 16px;line-height:1.6;font-size:14px;margin-top:14px}.download-button:disabled{opacity:.6;cursor:wait}.download-status{font-size:13px;min-height:24px;color:#666}.install-steps{padding-left:22px}.download-page .below{margin-bottom:12px}@media(max-width:700px){.download-page{grid-template-columns:1fr;gap:16px}}

.game-cover{display:block;width:min(100%,600px);height:auto;margin:8px 0 20px;border-radius:var(--radius);box-shadow:0 0 0 1px var(--line)}

/* Embedded play view: slim header, full-height dark stage, centered game. */
body.playing{height:100dvh;overflow:hidden;background:#12110f}
.playing .site{width:100%;max-width:none;padding:0;margin:0}
.playing .site>header,.playing .site>footer{display:none}
.playing main{height:100dvh;display:grid;grid-template-rows:60px minmax(0,1fr)}
.play-bar{position:relative;display:grid;grid-template-columns:100px minmax(0,1fr) 100px;align-items:center;background:#fff;border-bottom:2px solid #263548;color:#172435;z-index:1}
.play-bar h1{font-size:22px;line-height:1.3;font-weight:700;margin:0;text-align:center;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.play-home{width:60px;height:58px;display:grid;place-items:center}
.play-home img{display:block;width:28px;height:28px}



.play-stage{display:flex;align-items:stretch;justify-content:center;min-height:0;background:#12110f}
.play-frame{display:block;border:0;height:100%;width:min(100%,480px,max(280px,calc((100dvh - 60px)*.5625)));min-width:0;background:#eef3e8}
@media(max-width:520px){.playing main{grid-template-rows:52px minmax(0,1fr)}.play-bar{grid-template-columns:80px minmax(0,1fr) 80px}.play-bar h1{font-size:17px}.play-home{width:52px;height:50px}.play-home img{width:25px;height:25px}.play-frame{width:min(100%,480px,max(280px,calc((100dvh - 52px)*.5625)))}}
.play-fullscreen{justify-self:end;display:flex;align-items:center;gap:5px;height:40px;margin-right:12px;padding:0 10px;border:0;border-radius:8px;background:none;color:#172435;font-size:13px;font-weight:700;white-space:nowrap}.play-fullscreen:hover{background:#eef1f5}.play-fullscreen svg{display:block;flex:none}
@media(max-width:520px){.play-fullscreen{margin-right:6px;padding:0 6px;font-size:12px}}
.play-stage:fullscreen{width:100%;height:100%;background:#12110f}
.play-stage:fullscreen .play-frame{width:min(100%,max(280px,calc(100dvh*.5625)))}
/* games.orientation: "landscape" / "both" use a wide frame on wide screens (PC, rotated phone); "portrait" or unset keeps the phone frame. */
@media(orientation:landscape){.play-stage[data-orientation=landscape] .play-frame,.play-stage[data-orientation=both] .play-frame{width:100%}}


.analytics-choice{position:fixed;z-index:100;bottom:16px;right:16px;max-width:380px;width:calc(100% - 32px);padding:18px;background:#fff;border:1px solid #ccc;border-radius:5px;box-shadow:0 3px 16px #0002;font-size:14px;line-height:1.6;color:#222}.analytics-choice p{margin:0 0 8px}.analytics-choice a{font-size:12px;text-decoration:underline}.analytics-choice div{display:flex;gap:10px;margin-top:14px}.analytics-choice button{background:#fff;border:1px solid #888;border-radius:3px;padding:7px 12px;flex:1}.privacy-text{max-width:720px;line-height:1.9;background:var(--surface);border-radius:var(--radius);padding:8px 32px 28px;box-shadow:0 0 0 1px var(--line)}.privacy-text button{border:1px solid var(--line);background:var(--surface);border-radius:999px;padding:7px 16px;font-size:13px}@media(max-width:520px){.privacy-text{padding:4px 18px 22px}}.privacy-text h1{font-size:26px}.privacy-text h2{font-size:19px;margin-top:30px}.privacy-text a{text-decoration:underline}

.platform-tags{display:flex;gap:4px;flex-wrap:wrap;padding-top:5px}.platform-tag{display:inline-block;border:1px solid var(--line);border-radius:4px;padding:1px 5px;font-size:10px;line-height:1.5;white-space:nowrap}