:root{
  --bg:#f6f6f4;
  --paper:#ffffff;
  --text:#171717;
  --muted:#6f6f6f;
  --line:#e7e7e3;
  --accent:#111111;
  --max:900px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Arial,sans-serif;
  font-size:17px;
  line-height:1.62;
}
.site-header{
  position:sticky;
  top:0;
  z-index:10;
  background:rgba(246,246,244,.95);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.site-header .inner{
  max-width:var(--max);
  margin:0 auto;
  padding:14px 24px;
  display:flex;
  gap:20px;
  align-items:center;
  justify-content:space-between;
}
.brand{
  color:var(--text);
  text-decoration:none;
  font-weight:750;
  letter-spacing:-.02em;
}
.nav{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  font-size:14px;
}
.nav a{
  color:var(--muted);
  text-decoration:none;
}
.nav a:hover{color:var(--text)}
main{
  max-width:var(--max);
  margin:42px auto 64px;
  padding:0 24px;
}
.document{
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:18px;
  padding:44px 52px;
  box-shadow:0 8px 30px rgba(0,0,0,.035);
}
.doc-title{
  margin:0 0 8px;
  font-size:34px;
  line-height:1.12;
  letter-spacing:-.035em;
}
.doc-subtitle{
  margin:0 0 32px;
  color:var(--muted);
  font-size:15px;
}
h2{
  margin:34px 0 12px;
  font-size:23px;
  line-height:1.25;
  letter-spacing:-.02em;
}
h3{
  margin:26px 0 10px;
  font-size:19px;
  line-height:1.3;
}
p{margin:0 0 13px}
ul{
  margin:4px 0 18px;
  padding-left:24px;
}
li{margin:5px 0}
table{
  width:100%;
  border-collapse:collapse;
  margin:20px 0 26px;
  font-size:15px;
}
th,td{
  border:1px solid var(--line);
  text-align:left;
  vertical-align:top;
  padding:10px 12px;
}
th{
  background:#fafafa;
  font-weight:650;
}
.notice{
  margin:24px 0;
  padding:14px 16px;
  border-left:3px solid #222;
  background:#fafafa;
}
.footer{
  max-width:var(--max);
  margin:0 auto 48px;
  padding:0 24px;
  color:var(--muted);
  font-size:13px;
}
.home-card{
  display:block;
  background:#fff;
  border:1px solid var(--line);
  border-radius:16px;
  padding:22px 24px;
  margin:12px 0;
  color:var(--text);
  text-decoration:none;
}
.home-card:hover{border-color:#cfcfca}
.home-card strong{display:block;margin-bottom:5px}
.home-card span{color:var(--muted);font-size:14px}
@media (max-width:720px){
  body{font-size:16px}
  .site-header .inner{align-items:flex-start;flex-direction:column;gap:8px}
  .document{padding:30px 22px;border-radius:14px}
  .doc-title{font-size:28px}
  main{margin-top:24px;padding:0 14px}
  .footer{padding:0 14px}
  table{display:block;overflow-x:auto}
}