:root{color-scheme:light dark;--ink:#191a1c;--muted:#65666d;--surface:#fff;--panel:#f1f1f2;--line:#dadbdd;--accent:#df001b}
*{box-sizing:border-box}
html{scroll-padding-top:24px}
body{margin:0;background:var(--surface);color:var(--ink);font:16px/1.75 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
a{color:inherit;text-underline-offset:4px}
a:hover{text-decoration-thickness:2px}
a:focus-visible{outline:2px solid var(--accent);outline-offset:5px}
.top,main,.bottom{width:min(1040px,calc(100% - 64px));margin-inline:auto}
.top{min-height:88px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.top a{display:inline-flex;align-items:center;min-height:44px}
.brand{font-weight:700;text-decoration:none;letter-spacing:-.4px}
.top nav{flex-shrink:0}
.hero{position:relative;display:grid;grid-template-columns:1.15fr .85fr;align-items:center;gap:48px;padding:56px 0 52px;border-bottom:1px solid var(--line)}
h1{max-width:700px;margin:0 0 20px;font-size:40px;line-height:1.2;letter-spacing:-1.2px;text-wrap:balance}
.intro{max-width:680px;margin:0 0 26px;color:var(--muted);font-size:18px;line-height:1.7}
.cta{display:inline-flex;min-height:46px;align-items:center;background:var(--accent);color:#fff;border-radius:12px;padding:8px 20px;font-weight:600;text-decoration:none}
.tape{display:block;width:100%;height:auto;border-radius:16px;background:#fff}
.reading{display:grid;grid-template-columns:240px minmax(0,1fr);gap:64px;padding-top:48px}
.contents{align-self:start;background:var(--panel);border-radius:16px;padding:24px}
.contents h2{font-size:15px;margin:0 0 12px}
.contents ul{list-style:none;padding:0;margin:0}
.contents li+li{margin-top:10px}
.contents a{display:flex;align-items:center;min-height:44px;font-size:14px;line-height:1.65}
article{max-width:700px}
section{margin:0 0 40px;scroll-margin-top:24px}
section h2{margin:0 0 12px;font-size:22px;line-height:1.35;letter-spacing:-.3px;text-wrap:balance}
section p{margin:0;overflow-wrap:anywhere}
.bottom{margin-top:24px;padding:28px 0 36px;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}
.skip{position:absolute;z-index:2;top:-90px;left:24px;background:var(--surface);padding:12px}
.skip:focus{top:12px}
@media(max-width:760px){.top,main,.bottom{width:calc(100% - 40px)}.top{min-height:72px;gap:16px}.brand{font-size:15px}.hero{grid-template-columns:1fr;gap:28px;padding:32px 0 36px}h1{font-size:30px;letter-spacing:-.7px}.intro{font-size:16px}.tape{max-width:420px}.reading{grid-template-columns:1fr;gap:32px;padding-top:32px}.contents{padding:20px}.contents ul{display:grid;grid-template-columns:1fr 1fr;gap:12px 20px}.contents li+li{margin:0}section h2{font-size:21px}}
@media(max-width:420px){.contents ul{grid-template-columns:1fr}.top nav{font-size:14px}}
@media(prefers-color-scheme:dark){:root{--ink:#f4f4f5;--muted:#b8b8be;--surface:#191a1c;--panel:#27282c;--line:#494a50}.tape{opacity:1}}