:root{--ink:#12303A;--accent:#2B8CA3;--accent-d:#1D6F84;--soft:#E6F2F5;--bg:#FAFAF8;--bg2:#F1F6F7;--bd:#DCE6E9;--mut:#5B6F76;--foot:#0D2229;
--r:2px;--hh:72px;--wrap:1200px;--sv:96px;--sh:0 6px 24px rgba(18,48,58,.10),0 2px 8px rgba(18,48,58,.06);
--f:'Pretendard',-apple-system,'Apple SD Gothic Neo',ui-sans-serif,system-ui,sans-serif;--fl:'Space Grotesk','Pretendard',ui-sans-serif,sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:var(--hh)}
body{margin:0;font-family:var(--f);color:var(--ink);background:var(--bg);line-height:1.7;font-size:16px;word-break:keep-all}
img{max-width:100%;height:auto;display:block}a{color:inherit}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
#site-header{position:sticky;top:0;z-index:50;background:rgba(250,250,248,.96);border-bottom:1px solid var(--bd);backdrop-filter:blur(8px)}
.hd{height:var(--hh);display:flex;align-items:center;justify-content:space-between}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:800;font-size:1.15rem;letter-spacing:-.02em}
.nav{display:flex;align-items:center;gap:28px}.nav a{text-decoration:none;font-weight:600;font-size:.95rem}.nav a:hover{color:var(--accent-d)}
.btn{display:inline-block;background:var(--ink);color:#fff!important;padding:14px 26px;border-radius:var(--r);font-weight:700;text-decoration:none;border:1px solid var(--ink);cursor:pointer;font:inherit;font-weight:700}
.btn:hover{background:var(--accent-d);border-color:var(--accent-d)}.btn-sm{padding:9px 18px;font-size:.9rem}
.btn-line{background:transparent;color:var(--ink)!important}.btn-line:hover{background:var(--ink);color:#fff!important}
.burger{display:none;background:none;border:0;width:44px;height:44px;cursor:pointer;padding:10px}
.burger span{display:block;height:2px;background:var(--ink);margin:6px 0}
.sec{padding:var(--sv) 0}.alt{background:var(--bg2)}
.eyebrow{font-family:var(--fl);font-size:.72rem;font-weight:700;letter-spacing:.28em;text-transform:uppercase;color:var(--accent-d);margin:0 0 14px;display:flex;align-items:center;gap:10px}
.eyebrow:before{content:'';width:22px;height:1px;background:var(--accent-d)}
h1{font-size:clamp(2.2rem,4.6vw,3.4rem);font-weight:800;letter-spacing:-.03em;line-height:1.25;margin:0 0 18px}
.h2{font-size:clamp(1.6rem,3vw,2.2rem);font-weight:800;letter-spacing:-.02em;line-height:1.35;margin:0 0 14px}
h2{font-size:1.5rem;font-weight:800;letter-spacing:-.02em;margin:48px 0 12px}h3{font-size:1.15rem;font-weight:700;margin:22px 0 8px}
.lead{font-size:1.1rem;color:var(--ink);max-width:760px;margin:0 0 28px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.cards .cc[hidden]{display:none}
.cc{background:#fff;border:1px solid var(--bd);text-decoration:none;display:block;transition:box-shadow .25s}.cc:hover{box-shadow:var(--sh)}
.cmp{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:2px;background:var(--bd)}
.cmp div{aspect-ratio:1/1;overflow:hidden;position:relative}.cmp img{width:100%;height:100%;object-fit:cover}
.tag{position:absolute;top:10px;font-family:var(--fl);font-size:.66rem;font-weight:700;letter-spacing:.08em;padding:4px 10px;color:#fff;background:rgba(18,48,58,.7)}
.cmp div:first-child .tag{left:10px}.cmp div:last-child .tag{right:10px;background:rgba(43,140,163,.92)}
.cc-b{padding:18px 20px}.cc-b strong{display:block;font-size:1.05rem;line-height:1.4;margin-bottom:6px}
.cc-b span{display:block;font-size:.88rem;color:var(--mut)}
.more{text-align:center;margin-top:36px}
.pain{background:#fff;border:1px solid var(--bd);padding:28px}.pain h3{margin-top:0}.pain p{margin:0;color:var(--mut)}
.svc{background:#fff;border:1px solid var(--bd);text-decoration:none;display:block}.svc:hover{box-shadow:var(--sh)}
.svc img{width:100%;aspect-ratio:4/3;object-fit:cover}.svc div{padding:18px 20px}.svc strong{font-size:1.1rem}.svc p{margin:4px 0 0;font-size:.9rem;color:var(--mut)}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem;list-style:none;padding:0;margin:0}
.steps li{border-top:2px solid var(--ink);padding-top:16px}.steps b{font-family:var(--fl);color:var(--accent-d);font-size:.8rem;letter-spacing:.14em}
.steps h3{margin:6px 0}.steps p{margin:0;color:var(--mut);font-size:.93rem}
.tw{overflow-x:auto;margin:18px 0}table{border-collapse:collapse;width:100%;background:#fff}
th,td{border:1px solid var(--bd);padding:12px 14px;text-align:left;font-size:.94rem;vertical-align:top}th{background:var(--soft);font-weight:700}
.faq details{background:#fff;border:1px solid var(--bd);margin-bottom:10px}
.faq summary{cursor:pointer;padding:18px 22px;list-style:none;display:flex;justify-content:space-between;gap:16px}
.faq summary::-webkit-details-marker{display:none}.faq summary h3,.faq summary h2{margin:0;font-size:1.02rem}
.faq summary:after{content:'+';font-family:var(--fl);font-size:1.4rem;line-height:1;color:var(--accent-d)}
.faq details[open] summary:after{content:'\2212'}.faq details p{margin:0;padding:0 22px 20px;color:#34505a}
.cta{background:var(--ink);color:#fff;text-align:center;padding:80px 0}.cta h2{margin:0 0 12px;color:#fff;font-size:1.9rem}.cta p{margin:0 0 26px;opacity:.85}
.cta .btn{background:#fff;color:var(--ink)!important;border-color:#fff}.cta .btn:hover{background:var(--soft)}
.art{max-width:860px;margin:0 auto;padding:48px 24px 72px}.crumb{font-size:.85rem;color:var(--mut);margin-bottom:18px}.crumb a{text-decoration:none}
.fig{margin:20px 0}.fig .ph{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:10px}
.fig img{width:100%;aspect-ratio:4/3;object-fit:cover;border:1px solid var(--bd)}.fig figcaption{font-size:.85rem;color:var(--mut);margin-top:6px}
.sum{background:var(--soft);padding:22px 28px;margin:20px 0}.sum li{margin:4px 0}
blockquote{margin:24px 0;padding:6px 0 6px 20px;border-left:3px solid var(--accent)}blockquote cite{display:block;font-size:.88rem;color:var(--mut);margin-top:6px;font-style:normal}

.rcard{background:#fff;border:1px solid var(--bd);text-decoration:none;display:block}.rcard:hover{box-shadow:var(--sh)}
.rcard img{width:100%;aspect-ratio:4/3;object-fit:cover}.rcard-b{display:block;padding:16px 18px}.rcard-b strong{display:block;line-height:1.4}.rcard-b small{color:var(--mut)}
.chips{display:flex;flex-wrap:wrap;gap:8px;list-style:none;padding:0;margin:14px 0}.chips li{border:1px solid var(--bd);background:#fff;padding:6px 14px;font-size:.92rem}
.btns{display:flex;gap:12px;flex-wrap:wrap;margin:20px 0}
.float-cta{position:fixed;right:20px;bottom:20px;z-index:40;background:var(--accent-d);color:#fff;padding:14px 22px;text-decoration:none;font-weight:700;box-shadow:var(--sh);border-radius:var(--r)}
#site-footer{background:var(--foot);color:#c4d3d8;padding:56px 0 28px;font-size:.9rem}
.ft{display:flex;justify-content:space-between;gap:32px;flex-wrap:wrap}.ft-brand{color:#fff;font-weight:800;font-size:1.2rem;margin:0 0 8px}
.ft-links{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,auto);gap:6px 32px}.ft-links a{text-decoration:none}.ft-links a:hover{color:#fff}
.ft-biz{border-top:1px solid rgba(255,255,255,.12);margin-top:32px;padding-top:20px;font-size:.82rem;opacity:.85}.ft-biz p{margin:4px 0}
@media(max-width:860px){:root{--sv:64px}
.nav{display:none;position:absolute;top:var(--hh);left:0;right:0;background:var(--bg);flex-direction:column;align-items:flex-start;padding:20px 24px;border-bottom:1px solid var(--bd);gap:16px}
.nav.open{display:flex}.burger{display:block}
.grid3,.grid2{grid-template-columns:1fr}.steps{grid-template-columns:1fr 1fr}.grid2{gap:28px}
.cmp div{aspect-ratio:1/1}}
@media(max-width:520px){.steps{grid-template-columns:1fr}.wrap{padding:0 18px}}

/* ===== v3: 섹션 구분 · 상세페이지 디자인 ===== */
.h2{position:relative;padding-bottom:16px;margin:0 0 22px}
.h2:after{content:'';position:absolute;left:0;bottom:0;width:44px;height:3px;background:var(--accent)}
.sec{border-top:1px solid var(--bd)}.sec:first-of-type{border-top:0}
.hero-band{background:linear-gradient(180deg,var(--soft),var(--bg));padding:56px 0 64px;border-bottom:1px solid var(--bd)}
.hero-band h1{font-size:clamp(1.9rem,3.8vw,2.8rem)}
.hb{align-items:start;gap:48px}.crumb{margin:0 0 18px}
.cmp.big{box-shadow:var(--sh)}.cmp.big div{aspect-ratio:1/1}
.cmp .tag{z-index:2;font-family:var(--f);letter-spacing:0;font-size:.78rem}
.narrow{max-width:860px}
.stage{background:#fff;border:1px solid var(--bd);padding:28px;margin-bottom:28px}
.stage-h{display:flex;align-items:center;flex-wrap:wrap;gap:12px;margin-bottom:10px}
.stage-h h3{margin:0;font-size:1.2rem;padding-left:12px;border-left:3px solid var(--accent)}
.num{font-family:var(--fl);font-weight:700;font-size:.78rem;letter-spacing:.14em;color:var(--accent-d)}
.phase{font-size:.78rem;font-weight:700;padding:4px 12px;color:#fff;background:var(--mut)}
.phase.before{background:var(--ink)}.phase.after{background:var(--accent)}
.stage p{margin:0 0 16px;color:#34505a}
.ph{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:10px}
.ph div{position:relative}.ph b{position:absolute;left:8px;top:8px;background:rgba(18,48,58,.82);color:#fff;font:700 .75rem var(--fl);padding:2px 9px}
.ph img{width:100%;aspect-ratio:4/3;object-fit:cover;border:1px solid var(--bd)}
.box{background:#fff;border:1px solid var(--bd);border-top:3px solid var(--accent);padding:26px}
.box h3{margin:0 0 10px;font-size:1.1rem}.box p,.box li{color:#34505a;font-size:.96rem}.box ul{padding-left:18px;margin:10px 0}
.sumcard{background:#fff;border:1px solid var(--bd);padding:28px}.sumcard h3{margin-top:0}
.sumcard ul{list-style:none;padding:0;margin:0}.sumcard li{padding:10px 0 10px 22px;border-bottom:1px solid var(--bd);position:relative}
.sumcard li:last-child{border:0}.sumcard li:before{content:'';position:absolute;left:0;top:19px;width:9px;height:9px;background:var(--accent)}
.qcard{background:var(--ink);color:#fff;padding:32px;display:flex;flex-direction:column;justify-content:center}
.qcard p{font-size:1.1rem;line-height:1.7;margin:0 0 14px}.qcard cite{font-style:normal;opacity:.75;font-size:.9rem}
.blk .tw{margin:16px 0}.blk ul{background:#fff;border:1px solid var(--bd);padding:18px 22px 18px 40px}
.blk p{max-width:820px}
.idx{font-family:var(--fl);font-weight:700;color:var(--accent-d);letter-spacing:.2em;font-size:.8rem;margin:0 0 8px}
.facts{margin:22px 0 0}
.cc.one{max-width:520px}
.sec-sub{color:var(--mut);margin:-8px 0 24px}
@media(max-width:860px){.hero-band{padding:36px 0 44px}.hb{gap:28px}.stage{padding:20px}.ph{grid-template-columns:repeat(2,1fr)}.qcard{padding:24px}}
/* v4: 비교 카드 이미지는 박스를 꽉 채우도록 고정 (세로 늘어짐 방지) */
.cmp div{min-height:0}.cmp img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.grid2>div>img{width:100%;aspect-ratio:4/3;object-fit:cover}

/* v7: 세부(sub) 페이지 */
.hero-fig{margin:0}.hero-fig img{width:100%;aspect-ratio:4/3;object-fit:cover;box-shadow:var(--sh)}
.hero-fig figcaption,.split figcaption{font-size:.85rem;color:var(--mut);margin-top:8px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}.split.rev figure{order:2}
.split img{width:100%;aspect-ratio:4/3;object-fit:cover;border:1px solid var(--bd)}.split .fig{margin:0}
.g2c{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem}
.quote-band{background:var(--ink);color:#fff;padding:64px 0}
.quote-band blockquote{border:0;margin:0;padding:0;font-size:clamp(1.2rem,2.4vw,1.6rem);line-height:1.7;font-weight:600;position:relative}
.quote-band blockquote:before{content:'';display:block;width:44px;height:3px;background:var(--accent);margin-bottom:22px}
.quote-band cite{color:#9fc9d3}
.steps.auto{grid-template-columns:repeat(auto-fit,minmax(190px,1fr))}
@media(max-width:860px){.split,.g2c{grid-template-columns:1fr;gap:24px}.split.rev figure{order:0}.quote-band{padding:44px 0}}