:root{--bg:#f7f9fc;--surface:#fff;--text:#16181d;--muted:#5b6472;--faint:#8890a0;--line:#e4e8ef;--accent:#2563eb;--accent-dark:#1d4ed8;--chip:#eaf0fe}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{background:var(--bg);color:var(--text);word-break:keep-all;margin:0;font-family:-apple-system,Pretendard,Apple SD Gothic Neo,Malgun Gothic,sans-serif;line-height:1.7}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.wrap{max-width:980px;margin:0 auto;padding:0 24px}.muted{color:var(--muted)}.top{background:var(--surface);border-bottom:1px solid var(--line);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px 20px;padding:20px 24px;display:flex}.brand{color:var(--text);align-items:center;gap:8px;font-size:1.1rem;font-weight:800;display:inline-flex}.brand:hover{text-decoration:none}nav{flex-wrap:wrap;gap:4px;display:flex}nav a{color:var(--muted);border-radius:8px;padding:7px 14px;font-weight:600}nav a:hover{background:var(--chip);text-decoration:none}nav a[aria-current=page]{background:var(--chip);color:var(--accent)}main{min-height:60vh;padding:40px 24px 64px}h1{letter-spacing:-.01em;margin:0 0 12px;font-size:clamp(1.6rem,3.6vw,2.3rem);line-height:1.35}.card:focus-visible,.guide:focus-visible,.back:focus-visible{outline:3px solid var(--accent);outline-offset:2px}.cards{grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px;margin:24px 0;display:grid}.card{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:20px;transition:border-color .15s,transform .15s;display:block}.card:hover{border-color:var(--accent);text-decoration:none;transform:translateY(-2px)}.card .chip{color:var(--accent);background:var(--chip);border-radius:99px;margin-bottom:10px;padding:3px 10px;font-size:.76rem;font-weight:700;display:inline-block}.card strong{color:var(--text);margin:0 0 6px;font-size:1.08rem;line-height:1.4;display:block}.card span.desc{color:var(--muted);font-size:.92rem;line-height:1.6}.guides{gap:10px;margin:0;padding:0;list-style:none;display:grid}.guide{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:16px 20px;transition:border-color .15s,transform .15s;display:block}.guide:hover{border-color:var(--accent);text-decoration:none;transform:translateY(-2px)}.guide .title{color:var(--text);font-size:1.02rem;font-weight:700;display:block}.guide .meta{color:var(--faint);margin-top:4px;font-size:.85rem;display:block}.article{max-width:760px;margin:0 auto}.article-head .chip{color:var(--accent);background:var(--chip);border-radius:99px;margin-bottom:14px;padding:4px 12px;font-size:.78rem;font-weight:700;display:inline-block}.article-head .meta{color:var(--faint);margin:10px 0 0;font-size:.9rem}.prose{font-size:1.04rem}.prose h2{margin:40px 0 12px;font-size:1.32rem;line-height:1.4}.prose h3{margin:28px 0 8px;font-size:1.12rem}.prose p,.prose ul,.prose ol{margin:0 0 16px}.prose li{margin:4px 0}.prose a.dl{background:var(--accent);color:#fff;border-radius:10px;margin:6px 0 18px;padding:10px 18px;font-weight:700;display:inline-block}.prose a.dl:hover{background:var(--accent-dark);text-decoration:none}.prose code{background:#eef1f6;border-radius:6px;padding:2px 6px;font-size:.92em}.prose blockquote{color:var(--text);background:#fff8e8;border-left:1px solid #f0c955;border-radius:10px;margin:20px 0;padding:14px 18px}.prose hr{border:none;border-top:1px solid var(--line);margin:36px 0}.back{background:var(--chip);color:var(--accent);border-radius:99px;margin-top:32px;padding:9px 16px;font-weight:600;display:inline-block}.back:hover{background:#dde8fe;text-decoration:none}.foot{background:var(--surface);border-top:1px solid var(--line);margin-top:48px;padding:28px 0 20px}.foot-in{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;display:flex}.foot-copy{color:var(--muted);margin:0;font-size:.88rem}.foot-copy a{color:var(--muted)}.foot-links{gap:16px;display:flex}.foot-links a{color:var(--muted);font-size:.88rem;font-weight:600}.disclaimer{color:var(--faint);margin:14px 0 0;font-size:.8rem;line-height:1.6}@media (width<=640px){.top{padding:16px}main{padding:28px 16px 48px}}