:root{--ink:#171E2E;--line:#E6E8EE;--bg:#FFFFFF;--muted:#5B6478;--blue:#2563EB;--r:14px}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);
  font-family:'Plus Jakarta Sans',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
  font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased}
.wrap{max-width:760px;margin:0 auto;padding:0 20px}
header.top{border-bottom:1px solid var(--line);padding:18px 0}
header.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand{display:inline-flex;align-items:center;text-decoration:none;color:var(--ink)}
.brand img{height:34px;width:auto;display:block}
.brand .txt{font-weight:800;letter-spacing:-.01em;font-size:15px}
.back{font-size:14px;color:var(--blue);text-decoration:none;font-weight:600}
.back:hover{text-decoration:underline}
main{padding:40px 0 64px}
h1{font-size:30px;line-height:1.2;letter-spacing:-.02em;margin:0 0 8px}
.eff{color:var(--muted);font-size:14px;margin:0 0 28px}
h2{font-size:19px;letter-spacing:-.01em;margin:34px 0 10px;padding-top:22px;border-top:1px solid var(--line)}
h2:first-of-type{border-top:0;padding-top:0}
h3{font-size:15px;margin:20px 0 6px}
p,li{color:#26304A}
ul{padding-left:20px;margin:10px 0}
li{margin:5px 0}
a{color:var(--blue)}
.card{border:1px solid var(--line);border-radius:var(--r);padding:18px 20px;margin:22px 0;background:#F9FAFC}
.card p{margin:6px 0}
.card strong{display:block;margin-bottom:6px}
.notice{border-left:3px solid var(--blue);background:#F5F8FF;border-radius:0 var(--r) var(--r) 0;
  padding:16px 20px;margin:24px 0}
.notice p{margin:0}
footer.legal{border-top:1px solid var(--line);padding:26px 0 44px;color:var(--muted);font-size:13.5px}
footer.legal a{margin-right:14px}
@media(max-width:560px){h1{font-size:25px}main{padding:30px 0 48px}}