:root{
  --bg:#F2F5F7; --surface:#FFFFFF; --ink:#0D1B26; --muted:#56687A; --line:#D7E0E6; --needle:#E5402B; --mark:#FFF1C2; --mark-ink:#5B4300;
  --f-display:"Avenir Next","Segoe UI Variable Display","Segoe UI",system-ui,sans-serif;
  --f-body:-apple-system,BlinkMacSystemFont,"Segoe UI",system-ui,"Helvetica Neue",sans-serif;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--bg:#0A131A;--surface:#111E28;--ink:#E9F0F4;--muted:#93A5B3;--line:#223441;--needle:#FF5B45;--mark:#3D3210;--mark-ink:#F7DE8A;color-scheme:dark}}
:root[data-theme="dark"]{--bg:#0A131A;--surface:#111E28;--ink:#E9F0F4;--muted:#93A5B3;--line:#223441;--needle:#FF5B45;--mark:#3D3210;--mark-ink:#F7DE8A;color-scheme:dark}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--f-body);font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased}
.wrap{max-width:760px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
header{border-bottom:1px solid var(--line)}
header .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;height:64px}
.logo{font-family:var(--f-display);font-weight:800;font-size:21px;letter-spacing:-.03em;text-decoration:none;color:var(--ink)}
header a.back{color:var(--muted);font-weight:600;font-size:15px;text-decoration:none}
main .wrap{padding-block:48px 64px}
h1{font-family:var(--f-display);font-weight:800;font-size:clamp(34px,6vw,48px);letter-spacing:-.025em;line-height:1.05;margin:0 0 8px;text-wrap:balance}
h2{font-family:var(--f-display);font-weight:700;font-size:21px;letter-spacing:-.01em;margin:40px 0 8px}
h3{font-size:16px;margin:24px 0 4px}
p,li{max-width:68ch}
p{margin:0 0 12px}
ul,ol{padding-left:22px;margin:0 0 12px}
a{color:var(--needle)}
.stand{color:var(--muted);font-size:14px}
.ph{background:var(--mark);color:var(--mark-ink);padding:1px 6px;border-radius:5px;font-weight:600}
.note{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:16px 18px;margin:20px 0 8px;font-size:15px}
.box{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:20px 22px;margin:16px 0}
address{font-style:normal}
footer{border-top:1px solid var(--line)}
footer .wrap{padding-block:24px 36px;display:flex;flex-wrap:wrap;gap:12px 22px;font-size:14px;color:var(--muted)}
footer a{color:var(--muted)}
:focus-visible{outline:3px solid var(--needle);outline-offset:3px;border-radius:6px}

.logo .cc-o{display:inline-block;width:.72em;height:.72em;margin:0 .03em;vertical-align:-.04em}