:root{
  --ink:#1a1a1a; --muted:#5b6470; --line:#e5e7eb; --bg:#fbfbf9;
  --accent:#3f7d5a; --accent-soft:#eef5f0; --card:#ffffff;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0; background:var(--bg); color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo","Pretendard","Malgun Gothic",sans-serif;
  line-height:1.75; font-size:17px;
}
.wrap{max-width:820px; margin:0 auto; padding:0 22px}

.site-header{
  border-bottom:1px solid var(--line); background:rgba(251,251,249,.92);
  position:sticky; top:0; backdrop-filter:saturate(180%) blur(8px); z-index:10;
}
.site-header .wrap{display:flex; align-items:center; justify-content:space-between; gap:16px; min-height:64px; flex-wrap:wrap}
.brand{font-weight:700; letter-spacing:-.01em; text-decoration:none; color:var(--ink); font-size:1.05rem}
.site-header nav{display:flex; gap:18px; flex-wrap:wrap}
.site-header nav a{color:var(--muted); text-decoration:none; font-size:.94rem}
.site-header nav a:hover{color:var(--accent)}

.hero{padding:56px 0 30px}
.hero h1{font-size:2.05rem; line-height:1.35; margin:0 0 18px; letter-spacing:-.02em}
.lede{font-size:1.08rem; color:var(--muted); margin:0}
.lede strong{color:var(--ink)}

.cards{display:grid; gap:18px; grid-template-columns:1fr; padding:14px 0 8px}
@media(min-width:720px){.cards{grid-template-columns:repeat(3,1fr)}}
.card{background:var(--card); border:1px solid var(--line); border-radius:14px; padding:22px 20px}
.card h2{font-size:1.06rem; margin:0 0 10px}
.card p{margin:0 0 12px; color:var(--muted); font-size:.95rem}
.facts{list-style:none; padding:0; margin:0}
.facts li{font-size:.88rem; color:var(--muted); padding-left:14px; position:relative}
.facts li::before{content:"·"; position:absolute; left:2px; color:var(--accent); font-weight:700}

.note{
  background:var(--card); border:1px solid var(--line); border-radius:14px;
  padding:24px 22px; margin:18px 0;
}
.note h2{font-size:1.06rem; margin:0 0 12px}
.note p{margin:0 0 12px; color:#374151; font-size:.97rem}
.note p:last-child{margin-bottom:0}
.note a{color:var(--accent)}

.article{padding:44px 0 10px}
.article h1{font-size:1.8rem; line-height:1.4; margin:0 0 8px; letter-spacing:-.02em}
.article .meta{color:var(--muted); font-size:.9rem; margin:0 0 28px}
.article h2{font-size:1.16rem; margin:34px 0 12px}
.article h3{font-size:1.02rem; margin:24px 0 10px}
.article p{margin:0 0 16px}
.article ul,.article ol{margin:0 0 16px; padding-left:22px}
.article li{margin:0 0 8px}
.article table{width:100%; border-collapse:collapse; margin:0 0 18px; font-size:.92rem}
.article th,.article td{border:1px solid var(--line); padding:9px 11px; text-align:left}
.article th{background:var(--accent-soft); font-weight:600}

.site-footer{border-top:1px solid var(--line); margin-top:48px; padding:26px 0 40px}
.site-footer p{margin:0; color:var(--muted); font-size:.87rem}
.site-footer a{color:var(--muted)}

.back{display:inline-block; margin:30px 0 0; color:var(--muted); text-decoration:none; font-size:.92rem}
.back:hover{color:var(--accent)}