:root{--ink:#0b2545;--text:#33465c;--blue:#1b4fd8;--green:#0f9d58;--sky:#eef3ff;--line:#dbe3ee}
*{box-sizing:border-box;margin:0}
body{font:17px/1.7 "Plus Jakarta Sans",system-ui,sans-serif;color:var(--text);background:#fff}
a{color:var(--blue)}
:focus-visible{outline:3px solid var(--green);outline-offset:3px}
header{border-bottom:1px solid var(--line)}
.bar{max-width:820px;margin:0 auto;padding:0 24px;height:66px;display:flex;align-items:center;justify-content:space-between}
.logo{font-weight:800;font-size:1.3rem;color:var(--ink);text-decoration:none;letter-spacing:-.03em}
.logo b{color:var(--green)}
.bar a.back{font-size:.95rem;text-decoration:none;font-weight:500}
main{max-width:820px;margin:0 auto;padding:48px 24px 72px}
h1{color:var(--ink);font-size:clamp(2rem,4vw,2.8rem);font-weight:800;letter-spacing:-.02em;line-height:1.15}
h2{color:var(--ink);font-size:1.35rem;font-weight:800;margin:38px 0 8px}
.updated{margin:10px 0 28px;font-size:.92rem;color:#5b6b7f}
p,ul{margin-bottom:14px}
ul{padding-left:22px}
li{margin:5px 0}
.note{background:var(--sky);border-left:4px solid var(--blue);padding:14px 18px;border-radius:6px;margin-bottom:24px;font-size:.95rem}
footer{border-top:1px solid var(--line);padding:28px 24px;text-align:center;font-size:.88rem;color:#5b6b7f}
footer a{margin:0 8px}