:root { --ink:#212529; --muted:#ADB5BD; --line:#e9ecef; }
* { box-sizing:border-box; }
body { margin:0; font-family:"Pretendard",-apple-system,sans-serif; font-display:swap; color:var(--ink); background:#fff; font-size:16px; line-height:1.7; }
a { color:var(--ink); text-decoration:underline; text-underline-offset:3px; }
.skip-link { position:absolute; left:-999px; top:0; background:var(--ink); color:#fff; padding:10px 16px; z-index:200; font-weight:700; }
.skip-link:focus { left:8px; top:8px; }

.site-header { border-bottom:1px solid var(--line); }
.header-inner { max-width:760px; margin:0 auto; padding:16px 20px; }
.wordmark { font-weight:800; font-size:1.1rem; text-decoration:none; }

main { max-width:760px; margin:0 auto; padding:36px 20px 60px; }
h1 { font-size:1.7rem; margin-bottom:24px; }

.tree, .tree ul { list-style:none; margin:0; padding:0 0 0 20px; }
.tree { padding-left:0; }
.tree li { margin:10px 0; }
.tree > li > a { font-weight:700; font-size:1.1rem; }

.site-footer { background:#212529; color:#ced4da; padding:36px 20px; margin-top:20px; }
.site-footer nav ul { list-style:none; display:flex; flex-wrap:wrap; gap:12px 20px; margin:0 0 18px; padding:0; max-width:760px; margin-left:auto; margin-right:auto; }
.site-footer nav a { color:#fff; text-decoration:none; font-size:.88rem; }
.site-footer address { font-style:normal; font-size:.85rem; line-height:1.8; text-align:center; }
.site-footer a[href^="tel:"] { color:var(--muted); font-weight:700; text-decoration:none; }
.site-footer p { text-align:center; }