:root{
  --bg:#ffffff; --fg:#1c2024; --muted:#6b7280; --line:#e6e8eb;
  --brand:#0b6bcb; --brand-ink:#084b91; --accent:#f4f6f8;
  --maxw:760px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0; background:var(--bg); color:var(--fg);
  font-family:'Pretendard',-apple-system,BlinkMacSystemFont,'Segoe UI','Malgun Gothic',sans-serif;
  line-height:1.7; font-size:17px; word-break:keep-all;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding-inline:18px}

/* header/footer */
.site-header{border-bottom:1px solid var(--line);background:#fff;position:sticky;top:0;z-index:10}
.header-in{display:flex;align-items:center;justify-content:space-between;padding-block:14px}
.brand{font-weight:800;font-size:20px;color:var(--fg)}
.brand:hover{text-decoration:none}
.nav a{color:var(--muted);font-size:15px}
.main{padding-block:34px 60px;min-height:60vh}
.site-footer{border-top:1px solid var(--line);color:var(--muted);font-size:14px}
.site-footer .wrap{padding-block:24px}

/* home */
.hero{padding:10px 0 28px}
.hero h1{font-size:30px;line-height:1.25;margin:0 0 10px}
.hero p{color:var(--muted);margin:0}
.post-list{list-style:none;margin:0;padding:0;display:grid;gap:18px}
.card{border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:box-shadow .15s,transform .15s}
.card:hover{box-shadow:0 6px 24px rgba(0,0,0,.07);transform:translateY(-2px)}
.card a{display:block;color:inherit}
.card a:hover{text-decoration:none}
.card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.card-body{padding:16px 18px 20px}
.cat{display:inline-block;font-size:12px;font-weight:700;color:var(--brand-ink);background:var(--accent);padding:3px 10px;border-radius:20px;margin-bottom:8px}
.card-body h2{font-size:19px;margin:4px 0 6px;line-height:1.35}
.card-body p{color:var(--muted);font-size:15px;margin:0 0 10px}
.card-body time{color:#9aa2ab;font-size:13px}
.empty{color:var(--muted);text-align:center;padding:60px 0}

/* post */
.post{max-width:100%}
.post .cat{margin-bottom:12px}
.post h1{font-size:30px;line-height:1.3;margin:0 0 10px}
.post .date{color:var(--muted);font-size:14px}
.hero-img{width:100%;border-radius:14px;margin:20px 0}
.prose{font-size:17px}
.prose h2{font-size:23px;margin:38px 0 12px;padding-top:6px}
.prose h3{font-size:19px;margin:28px 0 10px}
.prose p{margin:16px 0}
.prose ul,.prose ol{padding-left:22px;margin:16px 0}
.prose li{margin:6px 0}
.prose img{border-radius:12px;margin:20px 0}
.prose a{text-decoration:underline}
.prose blockquote{border-left:3px solid var(--brand);margin:20px 0;padding:6px 16px;color:var(--muted);background:var(--accent);border-radius:0 8px 8px 0}
.prose table{width:100%;border-collapse:collapse;margin:20px 0;font-size:15px}
.prose th,.prose td{border:1px solid var(--line);padding:10px 12px;text-align:left}
.prose th{background:var(--accent)}
.prose code{background:var(--accent);padding:2px 6px;border-radius:6px;font-size:.9em}
.prose pre{background:#0f172a;color:#e2e8f0;padding:16px;border-radius:12px;overflow-x:auto;margin:20px 0}
.prose pre code{background:none;padding:0}

/* ad + coupang */
.ad-placeholder{border:1px dashed #cbd5e1;border-radius:12px;color:#9aa2ab;text-align:center;padding:22px;margin:26px 0;font-size:14px;background:#fafbfc}
.adsbygoogle{margin:26px 0}
.coupang-disclosure{margin:26px 0 0;padding:12px 14px;background:var(--accent);border-radius:10px;color:var(--muted);font-size:13px;line-height:1.5}
.back{margin-top:34px}

@media (max-width:520px){
  body{font-size:16px}
  .hero h1,.post h1{font-size:25px}
  .prose h2{font-size:21px}
}