:root{color-scheme:dark;--bg:#10151c;--text:#e8edf2;--muted:#abb7c5;--line:#2c3644;--accent:#c4f567}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font:17px/1.75 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;-webkit-font-smoothing:antialiased}
a{color:var(--accent);text-underline-offset:4px;overflow-wrap:anywhere}
a:hover{color:#e0ffa2}
a:focus-visible{outline:2px solid var(--accent);outline-offset:5px;border-radius:2px}
header,main,footer{width:min(900px,100%);margin:auto;padding-left:40px;padding-right:40px}
header{display:flex;justify-content:space-between;align-items:center;gap:18px;min-height:102px;border-bottom:1px solid var(--line)}
.studio{display:inline-flex;align-items:center;flex:none}
.studio img{display:block;width:142px;height:auto}
nav{display:flex;align-items:center;flex-wrap:wrap;gap:20px}
.languages{gap:18px;font-size:14px}
nav a{text-decoration:none;color:var(--muted);display:inline-block;padding:10px 0}
nav a[aria-current=page]{color:var(--text);text-decoration:underline;text-decoration-color:var(--accent);text-decoration-thickness:2px;text-underline-offset:8px}
main{padding-top:50px;padding-bottom:60px}
.identity{display:flex;align-items:center;gap:24px;margin-bottom:30px}
.identity>img{flex:none;border-radius:23px;width:96px;height:96px}
.eyebrow{font-size:12px;font-weight:650;letter-spacing:.08em;color:var(--muted);margin:0 0 7px}
.tagline{font-size:24px;line-height:1.4;margin:0;font-weight:600;letter-spacing:-.03em}
.page-nav{gap:30px;border-bottom:1px solid var(--line);padding-bottom:12px;margin-bottom:34px}
h1{font-size:clamp(30px,5.5vw,46px);line-height:1.25;letter-spacing:-.035em;margin:0 0 18px;overflow-wrap:anywhere}
:lang(ja) h1{font-size:clamp(24px,4.8vw,42px)}
h2{font-size:23px;font-weight:600;line-height:1.4;letter-spacing:-.02em;margin:0 0 16px}
p{margin:0 0 18px}
p:last-child{margin-bottom:0}
.intro{font-size:20px;color:var(--muted);max-width:680px;margin-bottom:36px}
.updated{font-size:14px;color:var(--muted);margin-bottom:28px}
.content{max-width:740px}
section{border-top:1px solid var(--line);padding-top:28px;margin-top:32px}
section:first-child{margin-top:0}
ol{padding-left:24px;margin:0 0 22px}
li{padding-left:7px;margin:0 0 10px}
.contact-email{font-weight:600}
aside{border-left:2px solid var(--line);padding-left:20px;margin-top:34px;color:var(--muted);font-size:15px}
.download-link{display:inline-flex;padding:10px 18px;background:var(--accent);border-radius:6px;color:#10151c;font-weight:600;text-decoration:none;margin-top:18px}
.download-link:hover{background:#dcff9d;color:#10151c}
footer{border-top:1px solid var(--line);padding-top:24px;padding-bottom:36px;color:var(--muted);display:flex;justify-content:space-between;align-items:center;gap:20px;font-size:13px}
footer .studio img{width:100px}
footer p{margin:0}
.skip-link{position:absolute;top:-100px;left:20px;background:var(--bg);padding:10px 16px;z-index:3}
.skip-link:focus{top:10px}
@media(max-width:600px){header,main,footer{padding-left:24px;padding-right:24px}header{align-items:flex-start;justify-content:space-between;flex-direction:column;gap:9px;padding-top:22px;padding-bottom:12px;min-height:0}.studio img{width:127px}.languages{gap:23px}main{padding-top:30px}.identity{gap:16px;margin-bottom:22px}.identity>img{width:72px;height:72px;border-radius:18px}.eyebrow{font-size:10px;letter-spacing:.035em}.tagline{font-size:21px}.page-nav{gap:23px;margin-bottom:28px}.intro{font-size:18px}h2{font-size:21px}section{padding-top:24px;margin-top:27px}footer{align-items:flex-start;flex-direction:column;gap:16px}}
@media(max-width:350px){header,main,footer{padding-left:20px;padding-right:20px}.identity{align-items:flex-start;gap:13px}.identity>img{width:60px;height:60px;border-radius:15px}.tagline{font-size:19px}.eyebrow{font-size:9px}body{font-size:16px}.page-nav{gap:20px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}