:root{--ink:#16212b;--ink-soft:#4b5a68;--ink-faint:#c2cbd3;--line:#dde3e8;--surface:#fff;--surface-2:#f1f4f6;--panel:#16212b;--panel-text:#eef2f5;--panel-muted:#9fb0bf;--accent:#a55a16;--accent-dk:#874610;--glass:#7fb6c7;--max:1180px;--gutter:clamp(18px,4vw,40px);--pad:clamp(56px,9vw,112px);--radius:4px;--pill:999px;--font:'Pretendard Variable',Pretendard,ui-sans-serif,system-ui,sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol","Noto Color Emoji"}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--ink);background:var(--surface);line-height:1.7;letter-spacing:-.01em;-webkit-text-size-adjust:100%}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
ul{list-style:none}
.wrap{max-width:var(--max);margin:0 auto;padding:0 var(--gutter)}
.sec{padding:var(--pad) 0}
.sec-alt{background:var(--surface-2)}
.sec-dark{background:var(--panel);color:var(--panel-text)}
.sec-title{font-size:clamp(1.55rem,3.4vw,2.5rem);line-height:1.25;letter-spacing:-.025em;font-weight:700;margin-bottom:14px}
.sec-desc{color:var(--ink-soft);max-width:640px}
.sec-dark .sec-desc{color:var(--panel-muted)}
.sec-marker{display:flex;flex-wrap:wrap;gap:clamp(18px,3.5vw,48px);padding-bottom:26px;margin-bottom:34px;border-bottom:1px solid var(--line)}
.sec-dark .sec-marker{border-color:rgba(255,255,255,.18)}
.num{display:block;font-size:clamp(2.2rem,5vw,3.4rem);font-weight:800;line-height:1;color:var(--ink-faint);letter-spacing:-.03em}
.sec-dark .num{color:#3a4b5a}
.label{display:block;margin-top:6px;font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);font-weight:600}
.sec-dark .label{color:var(--glass)}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 26px;border-radius:var(--pill);font-weight:600;font-size:.95rem;transition:transform .18s,background .18s}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-dk);transform:translateY(-2px)}
.btn-outline{border:1.5px solid var(--ink);color:var(--ink)}
.btn-outline:hover{background:var(--ink);color:#fff}
.sec-dark .btn-outline{border-color:rgba(255,255,255,.4);color:#fff}
.btn-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
/* header */
.hdr{position:sticky;top:0;z-index:50;background:var(--panel);border-bottom:1px solid rgba(255,255,255,.1)}
.hdr-inner{max-width:var(--max);margin:0 auto;padding:14px var(--gutter);display:flex;align-items:center;justify-content:space-between;gap:20px}
.hdr-logo{display:inline-flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:1.08rem}
.hdr-mark{width:18px;height:18px;border:2px solid var(--glass);position:relative}
.hdr-mark:after{content:"";position:absolute;left:50%;top:0;bottom:0;border-left:2px solid var(--glass)}
.hdr-nav{display:flex;gap:26px;color:var(--panel-muted);font-size:.92rem}
.hdr-nav a:hover{color:#fff}
.hdr-cta{background:var(--accent);color:#fff;padding:9px 20px;border-radius:var(--pill);font-weight:600;font-size:.86rem;white-space:nowrap}
/* cases */
.cases-head{padding:clamp(40px,7vw,80px) 0 0}
.eyebrow{color:var(--accent);font-weight:600;font-size:.82rem;letter-spacing:.1em;text-transform:uppercase;margin-bottom:10px}
h1{font-size:clamp(2.1rem,5.6vw,3.8rem);line-height:1.15;letter-spacing:-.035em;font-weight:800;margin-bottom:18px}
.lead{font-size:clamp(1rem,1.6vw,1.15rem);color:var(--ink-soft);max-width:760px}
.grid{display:grid;gap:22px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.cmp-card{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:box-shadow .18s,transform .18s}
.cmp-card:hover{box-shadow:0 14px 30px rgba(22,33,43,.12);transform:translateY(-3px)}
.cmp{display:grid;grid-template-columns:1fr 1fr;gap:2px;background:var(--ink)}
.cmp figure{position:relative;aspect-ratio:3/4;overflow:hidden;background:var(--surface-2)}
.cmp img{width:100%;height:100%;object-fit:cover}
.cmp figcaption{position:absolute;left:8px;top:8px;background:rgba(22,33,43,.82);color:#fff;font-size:.72rem;padding:2px 9px;border-radius:var(--pill);font-weight:600}
.cmp-body{padding:16px 18px 20px}
.cmp-body h3{font-size:1.04rem;line-height:1.4;font-weight:700;margin-bottom:6px}
.cmp-body p{color:var(--ink-soft);font-size:.9rem}
.cmp-meta{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}
.cmp-meta span{font-size:.74rem;border:1px solid var(--line);border-radius:var(--pill);padding:1px 10px;color:var(--ink-soft)}
.more{display:none}
.more.show{display:block}
.more-row{text-align:center;margin-top:34px}
.more-btn{min-height:48px;padding:0 34px;border:1.5px solid var(--ink);border-radius:var(--pill);background:#fff;font:inherit;font-weight:600;cursor:pointer}
.more-btn:hover{background:var(--ink);color:#fff}
/* split intro (G-6) */
.split{display:grid;grid-template-columns:1.05fr 1fr;gap:clamp(24px,5vw,64px);align-items:center}
.split-media{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.split-media img{aspect-ratio:3/4;object-fit:cover;width:100%;border-radius:var(--radius)}
.split-media img:nth-child(2){margin-top:28px}
.split-text h2{margin-bottom:14px}
.split-text p{color:var(--ink-soft);margin-bottom:12px}
.def{border-left:3px solid var(--accent);padding:4px 0 4px 16px;margin:18px 0;color:var(--ink);font-weight:600}
/* divided grid */
.divided{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.divided div{padding:30px clamp(16px,3vw,32px);border-left:1px solid var(--line)}
.divided div:first-child{border-left:0}
.sec-dark .divided,.sec-dark .divided div{border-color:rgba(255,255,255,.18)}
.counter{font-size:.78rem;color:var(--accent);font-weight:700;letter-spacing:.08em}
.sec-dark .counter{color:var(--glass)}
.divided h3{margin:8px 0;font-size:1.15rem}
.divided p{color:var(--ink-soft);font-size:.95rem}
.sec-dark .divided p{color:var(--panel-muted)}
/* tables */
.tbl-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;border:1px solid var(--line);border-radius:var(--radius);background:#fff}
table{width:100%;border-collapse:collapse;font-size:.94rem}
th,td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
thead th{background:var(--surface-2);font-weight:700;white-space:nowrap}
tbody tr:last-child td,tbody tr:last-child th{border-bottom:0}
tbody th{font-weight:600;white-space:nowrap}
/* steps */
.steps{counter-reset:s;display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.steps li{counter-increment:s;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.14);padding:24px;border-radius:var(--radius)}
.steps li:before{content:"0" counter(s);display:block;font-size:1.8rem;font-weight:800;color:var(--glass);margin-bottom:8px}
.steps strong{display:block;font-size:1.05rem;margin-bottom:6px}
.steps span{color:var(--panel-muted);font-size:.93rem}
/* faq */
.faq-item{border-bottom:1px solid var(--line)}
.faq-item h3{font-size:1.05rem;font-weight:600}
.faq-q{display:flex;justify-content:space-between;align-items:center;gap:16px;width:100%;padding:20px 4px;background:none;border:0;font:inherit;font-weight:600;text-align:left;cursor:pointer;color:inherit}
.faq-q:after{content:"+";font-size:1.4rem;color:var(--accent);transition:transform .25s}
.faq-q[aria-expanded=true]:after{transform:rotate(45deg)}
.faq-a{display:none;padding:0 4px 22px;color:var(--ink-soft)}
.faq-a.open{display:block}
/* cta band */
.cta-band{text-align:center}
.cta-band .sec-desc{margin:0 auto}
.cta-band .btn-row{justify-content:center}
/* case page */
.crumbs{font-size:.84rem;color:var(--ink-soft);padding:22px 0 0}
.crumbs a:hover{text-decoration:underline}
.article{max-width:820px;margin:0 auto;padding:30px var(--gutter) 70px}
.article h1{font-size:clamp(1.8rem,4.4vw,2.8rem)}
.article h2{font-size:clamp(1.3rem,2.6vw,1.75rem);margin:44px 0 14px;line-height:1.3;letter-spacing:-.025em}
.article h3{font-size:1.08rem;margin:22px 0 8px}
.article p{margin-bottom:14px;color:#2b3844}
.answer{background:var(--surface-2);border-left:4px solid var(--accent);padding:18px 22px;margin:20px 0 6px;font-size:1.05rem}
.answer p{margin:0;color:var(--ink)}
.photo{margin:22px auto;max-width:380px}
.photo img{width:100%;border-radius:var(--radius)}
.photo figcaption{font-size:.84rem;color:var(--ink-soft);text-align:center;margin-top:8px}
.checks li{position:relative;padding:8px 0 8px 26px;border-bottom:1px solid var(--line)}
.checks li:before{content:"";position:absolute;left:4px;top:17px;width:8px;height:8px;background:var(--accent)}
.quote{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:22px 0;margin:30px 0;font-size:1.05rem}
.quote cite{display:block;margin-top:8px;font-size:.88rem;color:var(--ink-soft);font-style:normal}
.updated{font-size:.84rem;color:var(--ink-soft);margin-top:30px}
.link-card{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:box-shadow .18s,transform .18s}
.link-card:hover{box-shadow:0 14px 30px rgba(22,33,43,.12);transform:translateY(-3px)}
.link-card img{aspect-ratio:4/3;object-fit:cover;width:100%}
.lc-body{padding:16px 18px}
.lc-body h3{font-size:1rem;margin:0 0 4px;line-height:1.4}
.lc-body span{font-size:.87rem;color:var(--ink-soft)}
/* footer */
.ftr{background:var(--panel);color:rgba(238,242,245,.72);padding:56px 0 26px;font-size:.92rem}
.ftr-grid{display:grid;grid-template-columns:1.3fr .7fr 1.4fr;gap:36px}
.ftr-brand{color:#fff;font-weight:700;font-size:1.1rem;margin-bottom:6px}
.ftr-links li{padding:3px 0}
.ftr-links a:hover{color:#fff}
.ftr-info{font-style:normal;display:grid;gap:3px}
.ftr-bottom{margin-top:34px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);font-size:.8rem;color:rgba(238,242,245,.45)}
.float-cta{position:fixed;right:16px;bottom:16px;z-index:40;background:var(--accent);color:#fff;padding:13px 22px;border-radius:var(--pill);font-weight:700;font-size:.9rem;box-shadow:0 8px 22px rgba(0,0,0,.28)}
@media(max-width:900px){.grid-3{grid-template-columns:repeat(2,1fr)}.split{grid-template-columns:1fr}.steps,.divided{grid-template-columns:1fr}.divided div{border-left:0;border-top:1px solid var(--line)}.divided div:first-child{border-top:0}.sec-dark .divided div{border-color:rgba(255,255,255,.18)}.ftr-grid{grid-template-columns:1fr}.hdr-nav{display:none}}
@media(max-width:600px){.grid-3{grid-template-columns:1fr}}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
@media(max-width:600px){.tbl3 table{min-width:520px}th,td{padding:12px 14px}}
.cmp-inline{max-width:560px;margin:26px auto;cursor:default}
.cmp-inline:hover{transform:none;box-shadow:none}
.steps-list{counter-reset:s;margin:14px 0 20px}
.steps-list li{counter-increment:s;position:relative;padding:16px 0 16px 56px;border-bottom:1px solid var(--line)}
.steps-list li:before{content:"0" counter(s);position:absolute;left:0;top:14px;font-size:1.5rem;font-weight:800;color:var(--accent)}
.steps-list strong{display:block;margin-bottom:4px}
.steps-list span{color:var(--ink-soft)}
.hl-list{display:grid;gap:22px}
/* 섹션/헤딩 구분 (세부페이지·사례 상세 공통) */
.dpage,.article{counter-reset:sec}
.dsec,.article>section{counter-increment:sec;margin-top:44px;padding-top:40px;border-top:1px solid var(--line);position:relative}
.dsec:before,.article>section:before{content:"";position:absolute;left:0;top:-1px;width:64px;border-top:3px solid var(--accent)}
.dsec h2,.article>section h2{margin:0 0 18px;padding:0;border:0}
.dsec h2:before,.article>section h2:before{content:"0" counter(sec);display:block;font-size:.8rem;letter-spacing:.14em;color:var(--accent);font-weight:700;margin-bottom:6px}
.dsec h3,.article>section h3{font-size:1.04rem;margin:26px 0 8px;padding-left:12px;border-left:3px solid var(--glass);color:var(--ink)}
.dsec .faq-item h3,.article>section .faq-item h3{border:0;padding:0;margin:0}
.dsec .cmp-body h3{border:0;padding:0;margin:0 0 6px}
.dsec .quote{background:var(--surface-2);border:0;border-left:4px solid var(--accent);padding:20px 24px;margin:28px 0}
.dsec .photo{margin:26px auto}