/* 구조·디자인 참고: 참고 사이트의 레이아웃 위계(컨테이너/섹션 간격/각진 모서리/히어로 2단/FAQ 스플릿/타임라인). 컬러는 별도 선정(슬레이트+구리). */
:root{
  --ink:#1f2933; --ink-soft:#52606d; --ink-mute:#7b8794;
  --bg:#f8f7f4; --bg-alt:#efece6; --card:#ffffff; --line:#dcd7ce;
  --accent:#b8611f; --accent-dark:#964c14; --accent-soft:#f3e4d6; --dark:#1b2128;
  --radius:2px; --container:1200px; --section-v:104px; --header-h:72px;
  --font:'Pretendard Variable','Pretendard',-apple-system,'Apple SD Gothic Neo','Malgun Gothic',ui-sans-serif,system-ui,sans-serif;
  --font-label:'Space Grotesk','Pretendard Variable',sans-serif;
  --shadow:0 6px 24px rgba(31,41,51,.10);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);font-size:17px;line-height:1.75;-webkit-font-smoothing:antialiased;overflow-x:hidden;word-break:keep-all}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3{margin:0;line-height:1.3;letter-spacing:-.03em;color:var(--ink)}
p{margin:0 0 1em}
.wrap{max-width:var(--container);margin:0 auto;padding:0 24px}

/* header */
.site-header{padding-top:10px;position:sticky;top:0;z-index:50;background:rgba(248,247,244,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.header-in{height:var(--header-h);display:flex;align-items:center;gap:32px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.15rem;letter-spacing:-.02em}
.logo-mark{display:inline-flex;width:34px;height:34px;align-items:center;justify-content:center;background:var(--accent);color:#fff;font-family:var(--font-label);font-weight:700}
.gnav{display:flex;gap:26px;margin-left:auto;font-size:.95rem;font-weight:600;color:var(--ink-soft)}
.gnav a:hover{color:var(--accent)}
.btn{display:inline-flex;align-items:center;justify-content:center;height:52px;padding:0 28px;font-weight:700;font-size:1rem;border:1px solid transparent;border-radius:var(--radius);cursor:pointer;transition:background .2s,color .2s}
.btn-sm{height:42px;padding:0 20px;font-size:.92rem}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-dark)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff}

/* hero */
.hero{padding:72px 0 var(--section-v);background:linear-gradient(180deg,#fff 0%,var(--bg) 100%)}
.hero-in{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center}
.eyebrow{font-family:var(--font-label);font-size:.72rem;font-weight:700;letter-spacing:.28em;text-transform:uppercase;color:var(--accent);display:block;margin-bottom:18px}
.hero h1{font-size:clamp(2.4rem,4.8vw,3.8rem);font-weight:800;margin-bottom:22px}
.hero .lead{font-size:1.06rem;color:var(--ink-soft);margin-bottom:24px;max-width:520px}
.tags{display:flex;flex-wrap:wrap;gap:8px;padding:0;margin:0;list-style:none}
.tags li{font-size:.8rem;font-weight:600;color:var(--ink-soft);border:1px solid var(--line);padding:5px 13px;background:var(--card)}
.hero-gallery{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.hero-gallery figure{margin:0}
.hero-gallery img{width:100%;aspect-ratio:3/4;object-fit:cover}
.hero-gallery figcaption{font-size:.78rem;color:var(--ink-mute);margin-top:6px}
.hero-gallery figure:nth-child(2){margin-top:36px}

/* sections */
section.block{padding:var(--section-v) 0;border-top:1px solid var(--line)}
section.block.alt{border-top-color:#e2ddd3}
section.alt{background:var(--bg-alt)}
.sec-head{max-width:720px;margin-bottom:48px}
.sec-head h2,.section-h2{font-size:clamp(1.65rem,2.7vw,2.4rem);font-weight:800;padding-bottom:18px;position:relative}
.sec-head h2::after,.section-h2::after{content:"";position:absolute;left:0;bottom:0;width:48px;height:4px;background:var(--accent)}
.sec-head .eyebrow{margin-bottom:12px}
.sec-head p{color:var(--ink-soft);margin-top:18px}
h3{font-size:1.1rem;font-weight:700;letter-spacing:-.02em}



/* case compare cards (F-1-2): 좌우 50:50 고정 */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.case-card{background:var(--card);border:1px solid var(--line);display:flex;flex-direction:column;transition:box-shadow .2s,transform .2s}
.case-card:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
.case-card.is-hidden{display:none}
.compare{display:grid;grid-template-columns:1fr 1fr;position:relative}
.compare img{width:100%;aspect-ratio:3/4;object-fit:cover}
.compare .lab{position:absolute;top:10px;font-family:var(--font-label);font-size:.66rem;font-weight:700;letter-spacing:.08em;padding:4px 10px;color:#fff;background:rgba(31,41,51,.78)}
.compare .lab.l{left:10px}
.compare .lab.r{right:10px;background:var(--accent)}
.case-body{padding:20px 22px 24px}
.case-kind{font-size:.76rem;font-weight:700;color:var(--accent);letter-spacing:.06em}
.case-body h3{font-size:1.1rem;margin:6px 0 8px}
.case-body p{font-size:.9rem;color:var(--ink-soft);margin:0}
.more-wrap{text-align:center;margin-top:36px}

/* process */
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding:0;margin:0;list-style:none}
.timeline li{position:relative;padding:30px 24px 26px;background:var(--card);border:1px solid var(--line)}
.timeline li::before{content:"";display:block;width:28px;height:4px;background:var(--accent);margin-bottom:16px}
.timeline li:not(:last-child)::after{content:"";position:absolute;right:-13px;top:50%;width:6px;height:6px;border-top:2px solid var(--accent);border-right:2px solid var(--accent);transform:rotate(45deg)}
.timeline h3{font-size:1.05rem;margin-bottom:6px}
.timeline p{font-size:.92rem;color:var(--ink-soft);margin:0}

/* definition */

/* coverage */
.areas{display:flex;flex-wrap:wrap;gap:10px;padding:0;margin:0;list-style:none}
.areas li{padding:9px 18px;border:1px solid var(--line);background:var(--card);font-weight:600;font-size:.95rem}

/* faq */
.faq-split{display:grid;grid-template-columns:.8fr 1.4fr;gap:56px}
.faq-list{display:flex;flex-direction:column}
.faq-item{border-top:1px solid var(--line)}
.faq-item:last-child{border-bottom:1px solid var(--line)}
.faq-item summary{list-style:none;cursor:pointer;padding:22px 40px 22px 0;position:relative}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary h3{font-size:1.08rem;font-weight:700}
.faq-item summary::after{content:"+";position:absolute;right:6px;top:18px;font-size:1.6rem;color:var(--accent);transition:transform .2s}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item p{padding:0 40px 24px 0;margin:0;color:var(--ink-soft)}

/* cta */
.cta-band{background:var(--dark);color:#fff;padding:84px 0;text-align:center}
.cta-band h2{color:#fff;font-size:clamp(1.6rem,2.8vw,2.3rem);margin-bottom:14px}
.cta-band p{color:#c5ccd3;margin-bottom:28px}

/* article (case / nseo) */
.crumbs{font-size:.84rem;color:var(--ink-mute);padding:28px 0 0}
.crumbs a:hover{color:var(--accent)}
.article{padding:28px 0 72px;max-width:860px;margin:0 auto}
.article h1{font-size:clamp(1.9rem,3.6vw,2.8rem);font-weight:800;margin:10px 0 20px}
.article h2{font-size:clamp(1.35rem,2.2vw,1.75rem);margin:56px 0 16px;padding-top:28px;border-top:1px solid var(--line);position:relative}
.article h2::before{content:"";position:absolute;left:0;top:-1px;width:48px;height:3px;background:var(--accent)}
.article>h2:first-of-type{margin-top:36px}
.answer{background:var(--accent-soft);border-left:4px solid var(--accent);padding:20px 24px;font-size:1.04rem;margin-bottom:28px}
.article figure{margin:28px 0}
.article figure img{width:100%;max-height:640px;object-fit:cover}
.article figcaption{font-size:.84rem;color:var(--ink-mute);margin-top:8px}
.article ul{padding-left:1.2em}
.article li{margin-bottom:.4em}
.table-wrap{overflow-x:auto;margin:20px 0}
table{width:100%;border-collapse:collapse;font-size:.95rem;min-width:520px}
th,td{border:1px solid var(--line);padding:12px 14px;text-align:left;vertical-align:top}
th{background:var(--bg-alt);font-weight:700}
td{background:var(--card)}
.meta-table{min-width:0}
.meta-table th{width:30%}
.summary-box{background:var(--card);border:1px solid var(--line);padding:22px 26px;margin:28px 0}
.quote{border-left:3px solid var(--ink);padding:6px 0 6px 20px;margin:28px 0;font-size:1.06rem}
.quote cite{display:block;font-size:.88rem;color:var(--ink-mute);margin-top:6px;font-style:normal}

.inline-link{display:inline-block;margin-top:8px;color:var(--accent-dark);font-weight:700;border-bottom:2px solid var(--accent)}

/* related / photo cards */
.related{max-width:var(--container);margin:0 auto;padding:var(--section-v) 24px;border-top:1px solid var(--line)}
.related-head{margin-bottom:36px}
.related-head h2{font-size:clamp(1.4rem,2.3vw,1.9rem);font-weight:800;padding-bottom:16px;position:relative}
.related-head h2::after{content:"";position:absolute;left:0;bottom:0;width:48px;height:4px;background:var(--accent)}
.related-head .eyebrow{margin-bottom:10px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.related-grid.cols5{grid-template-columns:repeat(6,1fr)}
.related-grid.cols5 .related-card{grid-column:span 2}
.related-grid.cols5 .related-card:nth-child(n+4){grid-column:span 3}
.related-grid.single{grid-template-columns:minmax(0,420px);margin:18px 0}
.related-card{background:var(--card);border:1px solid var(--line);display:flex;flex-direction:column;transition:box-shadow .25s,transform .25s,border-color .25s}
.related-card:hover{box-shadow:var(--shadow);transform:translateY(-4px);border-color:var(--accent)}
.rc-img{position:relative;overflow:hidden}
.rc-img img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .5s}
.related-card:hover .rc-img img{transform:scale(1.05)}
.rc-tag{position:absolute;left:12px;top:12px;background:rgba(31,41,51,.82);color:#fff;font-size:.74rem;font-weight:700;padding:4px 10px}
.related-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:6px;flex:1}
.related-body h3{font-size:1.06rem}
.related-body p{font-size:.9rem;color:var(--ink-soft);margin:0;flex:1}
.rc-more{margin-top:10px;font-size:.88rem;font-weight:700;color:var(--accent-dark)}
.rc-more::after{content:" \2192"}

/* who (대상·증상) */
.who-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.who-card{background:var(--card);border:1px solid var(--line);border-top:4px solid var(--accent);padding:28px 26px;display:flex;flex-direction:column}
.who-label{font-size:.78rem;font-weight:700;color:var(--accent-dark);background:var(--accent-soft);align-self:flex-start;padding:4px 10px;margin-bottom:14px}
.who-card h3{font-size:1.14rem;line-height:1.45;margin-bottom:12px}
.who-card p{font-size:.94rem;color:var(--ink-soft);margin:0 0 14px}
.who-check{margin-top:auto!important;padding-top:14px;border-top:1px dashed var(--line);font-size:.88rem!important;color:var(--ink)!important}
.who-check strong{color:var(--accent-dark);margin-right:8px}
.who-note{margin:32px 0 0;padding:20px 24px;background:var(--dark);color:#fff;font-weight:600}
.table-note{font-size:.92rem;color:var(--ink-soft);margin-top:12px}
.cost .sec-head{max-width:860px}

/* consultation */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;padding:0;margin:20px 0;list-style:none}
.steps li{background:var(--card);border:1px solid var(--line);border-top:4px solid var(--accent);padding:22px}
.cta-row{display:flex;flex-wrap:wrap;gap:12px;margin:28px 0}

/* footer / floating */
.site-footer{background:var(--dark);color:#aeb7c0;padding:56px 0 100px;font-size:.9rem}
.foot-nav{display:flex;flex-wrap:wrap;gap:8px 22px;margin-bottom:24px}
.foot-nav a{color:#dde2e7}
.foot-nav a:hover{color:#fff}
.biz-info{font-style:normal;line-height:1.8}
.biz-info p{margin:0}
.biz-info strong{color:#fff}
.copy{margin:24px 0 0;font-size:.82rem}
.floating-cta{position:fixed;right:20px;bottom:20px;z-index:60;background:var(--accent);color:#fff;font-weight:700;padding:14px 22px;box-shadow:var(--shadow);border-radius:var(--radius)}
.floating-cta:hover{background:var(--accent-dark)}

@media(max-width:960px){
  .site-header{padding-top:14px}
  .header-in{flex-wrap:wrap;height:auto;padding-top:12px;padding-bottom:16px;gap:14px 12px;justify-content:space-between}
  .gnav{order:3;width:100%;margin:0;gap:8px;overflow-x:auto;white-space:nowrap;padding:2px 24px 2px 0;scrollbar-width:none}
  .gnav::-webkit-scrollbar{display:none}
  .gnav a{flex:none;display:inline-flex;align-items:center;min-height:40px;border:1px solid var(--line);background:var(--card);padding:0 16px;font-size:.92rem}
  .hero-in,.faq-split{grid-template-columns:1fr;gap:36px}
  .who-grid,.case-grid,.related-grid{grid-template-columns:1fr 1fr}
  .related-grid.cols5{grid-template-columns:1fr 1fr}
  .related-grid.cols5 .related-card,.related-grid.cols5 .related-card:nth-child(n+4){grid-column:auto}
  .timeline{grid-template-columns:1fr 1fr}
  .timeline li::after{display:none}
  :root{--section-v:72px}
}
@media(max-width:640px){
  body{font-size:16px}
  table{min-width:0;font-size:.85rem;table-layout:fixed}
  th,td{padding:10px 8px;word-break:keep-all;overflow-wrap:anywhere}
  .meta-table th{width:34%}
  .wrap{padding:0 18px}
  .who-grid,.case-grid,.related-grid,.related-grid.cols5,.timeline,.steps{grid-template-columns:1fr}
  .related-grid.single{grid-template-columns:1fr}
  .related{padding-left:18px;padding-right:18px}
  .hero{padding-top:36px}
  .hero-gallery{gap:10px}
  .hero-gallery figure:nth-child(2){margin-top:0}
  .cta-row{flex-direction:column;gap:10px}
  .cta-row .btn,.cta-band .btn,.more-wrap .btn,.article .btn{width:100%;height:56px;font-size:1.05rem}
  .site-header .btn-sm{height:42px;padding:0 20px}
  .header-in{padding-left:20px;padding-right:20px}
  .logo-mark{width:36px;height:36px}
  .tags li{font-size:.76rem}
  .case-body,.who-card{padding-left:20px;padding-right:20px}
  .faq-item summary{padding:20px 36px 20px 0}
  .faq-item summary h3{font-size:1rem}
  .site-footer{padding-bottom:110px}
  .floating-cta{left:0;right:0;bottom:0;border-radius:0;text-align:center;padding:16px 18px calc(16px + env(safe-area-inset-bottom));font-size:1.02rem;box-shadow:0 -6px 20px rgba(31,41,51,.18)}
}
.case-grid.single{grid-template-columns:minmax(0,460px);margin:24px 0}
.article .case-card h3{margin:0 0 6px}