:root{color-scheme:light;--canvas:#f7f8fa;--surface:#fff;--heading:#1d1d1f;--body:#444b55;--muted:#5d6672;--blue:#0059b8;--button:#0067c8;--line:#d5dce4}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--canvas);color:var(--heading);font:16px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;-webkit-font-smoothing:antialiased}
a{color:var(--blue);text-underline-offset:3px}
a:focus-visible{outline:3px solid var(--blue);outline-offset:4px;border-radius:4px}
.wrap{width:min(1120px,calc(100% - 48px));margin:auto}
header{border-bottom:1px solid var(--line);background:var(--surface)}
.header-inner{min-height:80px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:inline-flex;align-items:center;gap:12px;color:var(--heading);text-decoration:none;font-size:21px;font-weight:750;letter-spacing:-.035em}
.brand img{width:34px;height:34px}
nav{display:flex;align-items:center;gap:24px;flex-wrap:wrap}
nav a{color:var(--body);font-size:14px;text-decoration:none}
nav a:hover,nav a[aria-current=page]{color:var(--heading);text-decoration:underline}
main{max-width:800px;margin:0 auto;padding:64px 24px 96px}
.eyebrow{color:var(--muted);font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase}
h1{font-size:clamp(40px,6vw,64px);line-height:1.08;letter-spacing:-.05em;margin:12px 0 18px}
h2{font-size:24px;line-height:1.2;letter-spacing:-.025em;margin:44px 0 14px}
h3{font-size:17px;margin:24px 0 8px}
p,li{color:var(--body)}
p{margin:0 0 16px}
li{margin:0 0 9px}
ul{padding-left:22px;margin:0 0 18px}
.intro{font-size:18px;line-height:1.6}
.meta{font-size:13px;color:var(--muted);margin:0 0 34px}
.notice{padding:18px 20px;background:var(--surface);border:1px solid var(--line);border-radius:16px;margin:30px 0}
.notice p:last-child{margin-bottom:0}
.button{min-height:48px;display:inline-flex;align-items:center;justify-content:center;padding:11px 20px;border-radius:14px;background:var(--button);color:#fff;text-decoration:none;font-size:15px;font-weight:680}
.button:hover{background:#0059b8}
footer{border-top:1px solid var(--line);background:var(--surface);padding:32px 0 44px}
.footer-inner{display:flex;justify-content:space-between;align-items:flex-start;gap:24px;flex-wrap:wrap}
.footer-inner p{font-size:13px;margin:4px 0 0;color:var(--muted)}
.footer-links{display:flex;gap:20px;flex-wrap:wrap}
.footer-links a{font-size:13px;color:var(--body);text-decoration:none}
.footer-links a:hover{text-decoration:underline}
@media(max-width:600px){.wrap{width:calc(100% - 36px)}.header-inner{min-height:68px}.brand{font-size:18px}.brand img{width:32px;height:32px}nav{gap:12px}nav a{font-size:13px}main{padding:48px 18px 72px}}