:root{
  --bg:#fbfaf7;
  --surface:#ffffff;
  --text:#1d1d1f;
  --muted:#686868;
  --line:#e8e4dc;
  --accent:#e56f2d;
  --accent-soft:#fff2e9;
  --max:960px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans JP","Helvetica Neue",Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.75;
}
a{color:inherit}
.site-header{
  border-bottom:1px solid var(--line);
  background:rgba(251,250,247,.92);
  position:sticky; top:0; backdrop-filter:blur(12px);
}
.header-inner,.container{max-width:var(--max);margin:0 auto;padding:0 24px}
.header-inner{height:64px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{font-weight:750;text-decoration:none;letter-spacing:-.02em}
.nav{display:flex;gap:18px;font-size:14px}
.nav a{text-decoration:none;color:var(--muted)}
.nav a:hover{color:var(--text)}
.hero{padding:88px 0 64px}
.eyebrow{
  display:inline-block;
  padding:7px 12px;
  border-radius:999px;
  background:var(--accent-soft);
  color:#9f461b;
  font-size:13px;
  font-weight:700;
}
h1{
  font-size:clamp(38px,7vw,72px);
  line-height:1.05;
  letter-spacing:-.055em;
  margin:24px 0 24px;
  max-width:820px;
}
.lead{
  font-size:clamp(18px,2.5vw,23px);
  color:var(--muted);
  max-width:740px;
}
.grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:18px;
  padding:16px 0 72px;
}
.card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:20px;
  padding:26px;
}
.card h2{font-size:20px;margin:0 0 10px}
.card p{color:var(--muted);margin:0}
.section{padding:56px 0;border-top:1px solid var(--line)}
.section h2{font-size:30px;letter-spacing:-.035em;margin:0 0 18px}
.section p,.section li{color:var(--muted)}
.flow{display:grid;gap:12px;margin-top:22px}
.step{
  display:flex;gap:14px;align-items:flex-start;
  background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:18px
}
.step-num{
  width:30px;height:30px;display:grid;place-items:center;border-radius:50%;
  background:var(--accent-soft);color:#9f461b;font-weight:800;flex:0 0 30px
}
.note{
  margin-top:28px;padding:18px 20px;border-left:4px solid var(--accent);
  background:var(--accent-soft);border-radius:10px;color:#6f3a1c
}
.policy{padding:70px 0}
.policy h1{font-size:clamp(36px,5vw,58px)}
.policy h2{font-size:24px;margin-top:42px;letter-spacing:-.025em}
.policy p,.policy li{color:var(--muted)}
.policy ul{padding-left:1.25rem}
.small{font-size:14px;color:var(--muted)}
.footer{border-top:1px solid var(--line);padding:28px 0 48px;color:var(--muted);font-size:14px}
.footer-inner{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap}
.button{
  display:inline-block;margin-top:18px;padding:12px 16px;border-radius:12px;
  background:var(--text);color:white;text-decoration:none;font-weight:700
}
@media(max-width:760px){
  .grid{grid-template-columns:1fr}
  .hero{padding-top:64px}
  .header-inner{height:auto;padding-top:16px;padding-bottom:16px;align-items:flex-start}
  .nav{flex-wrap:wrap;justify-content:flex-end}
}