:root{
  --bg:#fbf8f2;
  --ink:#241d18;
  --muted:#6f665e;
  --line:rgba(36,29,24,.12);
  --accent:#8b5239;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  color:var(--ink);
  font-family:"Hiragino Sans","BIZ UDPGothic","Yu Gothic","Meiryo",sans-serif;
  background:
    radial-gradient(circle at top right, rgba(139,82,57,.08), transparent 28%),
    linear-gradient(180deg, #ffffff, var(--bg));
  line-height:1.75;
}
a{color:inherit;text-decoration:none}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}
.site-header{
  position:sticky;
  top:0;
  z-index:10;
  border-bottom:1px solid var(--line);
  background:rgba(255,255,255,.86);
  backdrop-filter:blur(10px);
}
.header-inner,.footer-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  flex-wrap:wrap;
  min-height:74px;
}
.brand-title{
  font-size:22px;
  font-weight:700;
  letter-spacing:.03em;
}
.brand-sub{
  font-size:11px;
  color:var(--muted);
  letter-spacing:.12em;
  text-transform:uppercase;
}
.nav,.footer-links{
  display:flex;
  gap:18px;
  flex-wrap:wrap;
}
.nav a,.footer-links a{
  color:var(--muted);
  font-size:14px;
}
.page{
  padding:56px 24px 44px;
}
h1{
  margin:0 0 14px;
  font-family:"Hiragino Sans","BIZ UDPGothic","Yu Gothic","Meiryo",sans-serif;
  font-size:clamp(22px,3vw,30px);
  line-height:1.3;
  font-weight:700;
}
.intro{
  max-width:720px;
  margin:0;
  color:var(--muted);
  font-size:15px;
}
.content{
  max-width:860px;
  margin-top:32px;
}
.content > * + *{
  margin-top:16px;
}
.content h2{
  margin:34px 0 10px;
  padding-top:18px;
  border-top:1px solid var(--line);
  font-size:18px;
  font-weight:700;
}
.content p{
  margin:0;
  font-size:15px;
}
.content ul{
  margin:0;
  padding-left:1.25rem;
  font-size:15px;
}
.content li + li{
  margin-top:6px;
}
.muted{
  color:var(--muted);
}
.action-links{
  display:flex;
  gap:18px;
  flex-wrap:wrap;
  margin-top:28px;
}
.action-links a{
  color:var(--accent);
  font-size:13px;
  font-weight:700;
}
.primary-link{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--accent);
  font-weight:700;
}
.site-footer{
  border-top:1px solid var(--line);
  padding:8px 0 28px;
  color:var(--muted);
}

@media (max-width: 860px){
  .page{
    padding-top:42px;
  }
}