:root{--bg:#ffffff;--bg-soft:#f5f5f7;--ink:#1d1d1f;--ink-soft:#6e6e73;--line:#e8e8ed;--accent:#0071e3;--accent-ink:#06c;--radius:18px;--radius-sm:12px;--maxw:720px;--shadow:0 2px 8px rgba(0,0,0,.04),0 8px 24px rgba(0,0,0,.06);--shadow-hover:0 4px 12px rgba(0,0,0,.06),0 16px 40px rgba(0,0,0,.10)}*{box-sizing:border-box;margin:0;padding:0}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}body{font-family:Pretendard Variable,Pretendard,-apple-system,BlinkMacSystemFont,Apple SD Gothic Neo,Segoe UI,Malgun Gothic,sans-serif;color:var(--ink);background:var(--bg);line-height:1.7;letter-spacing:-.01em;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}a{color:var(--accent);text-decoration:none;transition:color .15s ease}a:hover{color:var(--accent-ink)}.site-header{position:-webkit-sticky;position:sticky;top:0;z-index:50;background:rgba(255,255,255,.72);backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px);border-bottom:1px solid var(--line)}.site-header__inner{max-width:var(--maxw);margin:0 auto;padding:14px 24px;display:flex;align-items:baseline;gap:12px}.brand{font-weight:700;font-size:1.05rem;letter-spacing:-.02em;color:var(--ink)}.tagline{color:var(--ink-soft);font-size:.82rem}.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}.hero{padding:72px 0 48px}.hero h1{font-size:clamp(2rem,5vw,2.9rem);font-weight:700;letter-spacing:-.03em;line-height:1.15}.hero p{margin-top:16px;font-size:1.15rem;color:var(--ink-soft);max-width:30em}.post-list{list-style:none;display:grid;grid-gap:16px;gap:16px;padding-bottom:64px}.post-card{display:block;padding:24px 26px;background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease}.post-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}.post-card h2{font-size:1.22rem;font-weight:650;letter-spacing:-.02em;color:var(--ink);line-height:1.4;border:0;padding:0;margin:0}.post-card p{margin-top:8px;color:var(--ink-soft);font-size:.98rem}.post-card__meta{margin-top:14px;font-size:.8rem;color:var(--ink-soft)}.article{padding:56px 0 40px}.article__date{color:var(--ink-soft);font-size:.85rem}.article h1{margin-top:10px;font-size:clamp(1.8rem,4.5vw,2.5rem);font-weight:700;letter-spacing:-.03em;line-height:1.2}.article__body{margin-top:36px;font-size:1.12rem;line-height:1.85}.article__body>p{margin:1.3em 0}.article__body h2{margin:1.8em 0 .6em;font-size:1.4rem;font-weight:680;letter-spacing:-.02em;line-height:1.3;border:0;padding:0}.article__body strong{font-weight:650}.article__body ol,.article__body ul{margin:1.2em 0;padding-left:1.3em}.article__body li{margin:.5em 0}.article__body blockquote{margin:1.6em 0;padding:16px 20px;background:var(--bg-soft);border-radius:var(--radius-sm);color:var(--ink-soft);font-size:.96rem;line-height:1.7}.article__body blockquote p{margin:0}.faq{margin-top:48px;padding-top:32px;border-top:1px solid var(--line)}.faq h2{font-size:1.3rem;font-weight:680;letter-spacing:-.02em}.faq__item{margin-top:20px}.faq__q{font-weight:600}.faq__a{margin-top:6px;color:var(--ink-soft)}.cta{margin-top:56px;padding:28px;background:var(--bg-soft);border-radius:var(--radius);text-align:center}.cta strong{display:block;font-size:1.1rem;font-weight:650;letter-spacing:-.02em}.cta p{margin-top:8px;color:var(--ink-soft);font-size:.98rem}.cta__btn{display:inline-block;margin-top:16px;padding:11px 22px;background:var(--accent);color:#fff;border-radius:980px;font-weight:550;font-size:.95rem;transition:background .15s ease,transform .15s ease}.cta__btn:hover{background:var(--accent-ink);color:#fff;transform:scale(1.02)}.site-footer{margin-top:80px;border-top:1px solid var(--line);background:var(--bg-soft)}.site-footer__inner{max-width:var(--maxw);margin:0 auto;padding:32px 24px;color:var(--ink-soft);font-size:.82rem;line-height:1.6}@media (max-width:600px){.hero{padding:48px 0 32px}.post-card{padding:20px}.article{padding:36px 0 24px}}