:root{
  --bg:#fff;--ivory:#f7f5f0;--mist:#eef4f5;--ink:#1f2a2e;--ink-soft:#54616a;--ink-mute:#84909a;--heading:#17252b;
  --line:#dde6e8;--brand:#2b6d8a;--brand-dark:#1e5068;--brand-soft:#e7f0f4;
  --maxw:1180px;--gutter:24px;--section-py:88px;--section-py-sm:56px;--radius:10px;--btn-radius:4px;--header-h:76px;
  --font-serif:"Noto Serif KR","Nanum Myeongjo","Apple SD Gothic Neo",serif;
  --font-sans:"Pretendard","Apple SD Gothic Neo","Malgun Gothic",ui-sans-serif,system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 8px)}
body{margin:0;font-family:var(--font-sans);font-size:17px;line-height:1.7;color:var(--ink);background:var(--bg);word-break:keep-all;-webkit-text-size-adjust:100%}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0}
h1,h2,h3{margin:0;color:var(--heading)}
.skip{position:absolute;left:-999px;top:0;background:#000;color:#fff;padding:8px 12px;z-index:200}
.skip:focus{left:0}
.container{max-width:var(--maxw);margin:0 auto;padding:0 var(--gutter)}
.container--narrow{max-width:820px}
/* header */
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-bottom:1px solid var(--line);height:var(--header-h)}
.site-header__inner{display:flex;align-items:center;justify-content:space-between;height:100%}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--font-serif);font-size:19px;color:var(--heading)}
.brand__mark{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--brand);color:#fff;font-size:16px}
.site-nav ul{display:flex;gap:28px;list-style:none}
.site-nav a{font-size:15px;color:var(--ink-soft);padding:6px 0;border-bottom:1px solid transparent;transition:color .15s,border-color .15s}
.site-nav a:hover{color:var(--brand-dark);border-color:var(--brand)}
.nav-toggle{display:none;background:none;border:0;width:44px;height:44px;padding:10px;cursor:pointer}
.nav-toggle span{display:block;height:2px;background:var(--heading);margin:6px 0;transition:transform .2s,opacity .2s}
/* hero (참고 사이트 구조: 중앙 정렬 H1 → 와이드 이미지 → 중앙 소개문) */
.hero-intro{padding:72px 0 40px;text-align:center}
.hero-intro__title{font-family:var(--font-serif);font-size:clamp(34px,4.4vw,50px);font-weight:400;letter-spacing:.02em;line-height:1.2}
.hero-intro__desc{max-width:680px;margin:18px auto 0;font-size:16px;color:var(--ink-soft);line-height:1.7}
.hero-image{padding-bottom:var(--section-py)}
.hero-image__frame{margin:0;width:100%}
.hero-image__frame img{width:100%;max-height:640px;object-fit:cover}
.intro-statement{padding:16px 0 110px}
.intro-statement__text{max-width:640px;margin:0 auto;font-family:var(--font-serif);font-size:26px;line-height:1.9;letter-spacing:-.01em;text-align:center}
.intro-statement__line{display:block}
.feature-split{display:flex;width:100%}
.feature-split__panel{position:relative;display:block;flex:0 0 50%;width:50%;height:560px;overflow:hidden;color:#fff}
.feature-split__panel img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.feature-split__panel:hover img{transform:scale(1.04)}
.feature-split__overlay{position:absolute;inset:0;background:linear-gradient(to top,rgba(10,30,40,.55),rgba(10,30,40,.05) 60%)}
.feature-split__label{position:absolute;left:36px;bottom:34px;display:flex;flex-direction:column;gap:6px}
.feature-split__title{font-family:var(--font-serif);font-size:28px}
.feature-split__sub{font-size:14px;letter-spacing:.04em;opacity:.9}
/* sections */
.section{padding:var(--section-py) 0}
.section--alt{background:var(--mist)}
.section__title{font-family:var(--font-serif);font-size:clamp(26px,2.6vw,38px);font-weight:500;letter-spacing:-.005em;line-height:1.3;margin-bottom:20px}
.section__sub{color:var(--ink-soft);margin:-8px 0 28px}
.lead{font-size:19px;line-height:1.8;max-width:820px;margin:0 0 24px}
.prose p,.prose ul,.prose ol{margin:0 0 18px}
.prose ul{padding-left:22px}
.prose li{margin-bottom:6px}
.prose .section__title{margin-top:44px}
.prose .section__title:first-child{margin-top:0}
.prose--wide{max-width:820px}
.type-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;list-style:none;margin-top:40px}
.type-grid--list{grid-template-columns:repeat(2,1fr);margin-top:0;margin-bottom:24px}
.type-card{display:block;height:100%;padding:24px;background:var(--brand-soft);border-radius:var(--radius);transition:background .15s,transform .15s}
.type-card:hover{background:#d9e8ef;transform:translateY(-2px)}
.type-card h3{font-family:var(--font-serif);font-size:21px;font-weight:500;margin-bottom:8px}
.type-card p{margin:0;font-size:15px;color:var(--ink-soft);line-height:1.6}
/* case cards: 전/후 50:50 */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;list-style:none}
.case-grid .is-hidden{display:none}
.case-card a{display:block;background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:0 1px 0 var(--line);transition:box-shadow .2s,transform .2s}
.case-card a:hover{box-shadow:0 10px 28px rgba(23,37,43,.12);transform:translateY(-3px)}
.case-card__pair{display:grid;grid-template-columns:1fr 1fr;gap:2px;background:#fff}
.case-card__side{position:relative;aspect-ratio:3/4;overflow:hidden;background:var(--line)}
.case-card__side img{width:100%;height:100%;object-fit:cover}
.case-card__side em{position:absolute;left:8px;top:8px;font-style:normal;font-size:12px;letter-spacing:.04em;color:#fff;background:rgba(23,37,43,.62);padding:2px 8px;border-radius:3px}
.case-card__body{display:flex;flex-direction:column;gap:4px;padding:18px 20px 20px}
.case-card__name{font-family:var(--font-serif);font-size:19px;color:var(--heading);line-height:1.4}
.case-card__meta{font-size:14px;color:var(--ink-soft)}
.case-card__view{margin-top:8px;font-size:12px;letter-spacing:.1em;color:var(--brand)}
.more-wrap{text-align:center;margin-top:36px}
/* gallery mosaic */
.gallery-mosaic{padding:var(--section-py) 0 0;background:#fff}
.gallery-mosaic__head{max-width:var(--maxw);margin:0 auto 36px;padding:0 var(--gutter);text-align:center}
.gallery-mosaic__title{font-family:var(--font-serif);font-size:clamp(24px,2.4vw,34px);font-weight:500;line-height:1.4}
.gallery-mosaic__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;max-width:1760px;margin:0 auto;padding:0 10px 0;list-style:none}
.gallery-mosaic__item{position:relative}
.gallery-mosaic__link{position:relative;display:block;aspect-ratio:3/4;overflow:hidden}
.gallery-mosaic__link img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.gallery-mosaic__link:hover img{transform:scale(1.05)}
.gallery-mosaic__scrim{position:absolute;inset:0;background:linear-gradient(to top,rgba(10,30,40,.6),transparent 55%)}
.gallery-mosaic__tag{position:absolute;top:14px;left:14px;z-index:2;font-size:12px;font-weight:600;letter-spacing:.04em;color:#fff;text-shadow:0 1px 4px rgba(0,0,0,.55)}
.gallery-mosaic__keyword{position:absolute;left:14px;bottom:14px;z-index:2;color:#fff;font-family:var(--font-serif);font-size:17px}
/* tables */
.table-wrap{overflow-x:auto;margin:20px 0 24px;-webkit-overflow-scrolling:touch}
table{width:100%;border-collapse:collapse;font-size:15.5px;min-width:480px}
caption{caption-side:top;text-align:left;font-weight:600;color:var(--heading);padding-bottom:10px}
th,td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top;line-height:1.55}
thead th{background:var(--brand-soft);color:var(--brand-dark);font-weight:600;white-space:nowrap}
tbody th{font-weight:600;color:var(--heading);white-space:nowrap}
/* page head & article */
.page-head{padding:56px 0 24px}
.crumbs{font-size:14px;color:var(--ink-mute);margin-bottom:20px}
.crumbs a:hover{color:var(--brand)}
.page-title{font-family:var(--font-serif);font-size:clamp(32px,4.6vw,48px);font-weight:400;letter-spacing:.01em;line-height:1.25}
.answer{margin:22px 0 0;font-size:18px;line-height:1.85}
.updated{margin:16px 0 0;font-size:14px;color:var(--ink-mute)}
.wide-figure{margin:24px auto 0}
.wide-figure img{width:100%;max-height:520px;object-fit:cover;border-radius:var(--radius)}
.story h2.story__h{font-family:var(--font-serif);font-size:clamp(22px,2vw,28px);font-weight:500;margin:44px 0 14px}
.story h2.story__h:first-child{margin-top:0}
.story p{margin:0 0 16px}
.story__fig{margin:26px 0}
.story__fig img{width:100%;max-width:560px;margin:0 auto;border-radius:var(--radius)}
.story__fig figcaption{margin-top:10px;text-align:center;font-size:14px;color:var(--ink-soft)}
.story ul{padding-left:22px}
.steps{list-style:none;display:grid;gap:12px;margin:0 0 36px}
.steps li{padding:16px 20px;background:var(--brand-soft);border-radius:var(--radius);border-left:4px solid var(--brand)}
.steps strong{display:block;color:var(--heading);margin-bottom:2px}
.cta-row{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0 8px}
/* related cards */
.related__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;list-style:none}
.rcard{display:block;background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:0 1px 0 var(--line);height:100%;transition:box-shadow .2s,transform .2s}
.rcard:hover{box-shadow:0 10px 28px rgba(23,37,43,.12);transform:translateY(-3px)}
.rcard__media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.rcard__body{display:block;padding:16px 18px 20px}
.rcard__title{display:block;font-family:var(--font-serif);font-size:18px;color:var(--heading);line-height:1.4;margin-bottom:6px}
.rcard__sum{display:block;font-size:14px;color:var(--ink-soft);line-height:1.6}
.rcard--wide{display:grid;grid-template-columns:280px 1fr}
.rcard--wide .rcard__media img{height:100%;aspect-ratio:auto}
/* faq */
.faq{display:grid;gap:10px}
.faq__item{border:1px solid var(--line);border-radius:var(--radius);background:#fff}
.faq__item summary{list-style:none;cursor:pointer;padding:18px 52px 18px 20px;position:relative}
.faq__item summary::-webkit-details-marker{display:none}
.faq__item summary h3{font-family:var(--font-sans);font-size:17px;font-weight:600;line-height:1.5}
.faq__item summary::after{content:"";position:absolute;right:22px;top:50%;width:9px;height:9px;border-right:2px solid var(--brand);border-bottom:2px solid var(--brand);transform:translateY(-70%) rotate(45deg);transition:transform .2s}
.faq__item[open] summary::after{transform:translateY(-30%) rotate(-135deg)}
.faq__item p{margin:0;padding:0 20px 20px;color:var(--ink-soft)}
/* buttons / cta */
.btn{display:inline-flex;align-items:center;justify-content:center;height:52px;padding:0 28px;border-radius:var(--btn-radius);font-size:15.5px;font-weight:500;letter-spacing:.01em;border:1px solid transparent;cursor:pointer;font-family:inherit;transition:background .15s,color .15s,border-color .15s}
.btn--primary{background:var(--brand);color:#fff}
.btn--primary:hover{background:var(--brand-dark)}
.btn--line{background:#fff;color:var(--brand-dark);border-color:var(--brand)}
.btn--line:hover{background:var(--brand-soft)}
.cta{background:var(--brand-soft);padding:var(--section-py-sm) 0;text-align:center}
.cta__title{font-family:var(--font-serif);font-size:clamp(24px,2.4vw,32px);font-weight:500;margin-bottom:12px}
.cta p{margin:0 auto 24px;max-width:560px;color:var(--ink-soft)}
.floating-cta{position:fixed;right:20px;bottom:20px;z-index:90;background:var(--brand);color:#fff;padding:13px 22px;border-radius:999px;font-size:15px;font-weight:500;box-shadow:0 6px 20px rgba(23,37,43,.28)}
.floating-cta:hover{background:var(--brand-dark)}
/* footer */
.site-footer{background:var(--ivory);border-top:1px solid var(--line);padding:48px 0 90px;font-size:14.5px;color:var(--ink-soft)}
.site-footer__nav ul{display:flex;flex-wrap:wrap;gap:10px 24px;list-style:none;margin-bottom:24px}
.site-footer__nav a:hover{color:var(--brand-dark)}
.site-footer__biz{margin:0 0 12px;line-height:1.9}
.site-footer__copy{margin:0;color:var(--ink-mute);font-size:13px}
/* responsive */
@media (max-width:1023px){
  .case-grid{grid-template-columns:repeat(2,1fr)}
  .type-grid{grid-template-columns:repeat(2,1fr)}
  .gallery-mosaic__grid{grid-template-columns:repeat(2,1fr)}
  .related__grid{grid-template-columns:repeat(2,1fr)}
  .feature-split__panel{height:420px}
  .nav-toggle{display:block}
  .site-nav{position:absolute;left:0;right:0;top:var(--header-h);background:#fff;border-bottom:1px solid var(--line);display:none}
  .site-nav.is-open{display:block}
  .site-nav ul{flex-direction:column;gap:0;padding:8px var(--gutter) 16px}
  .site-nav a{display:block;padding:14px 0;border-bottom:1px solid var(--line)}
}
@media (max-width:700px){
  :root{--section-py:56px;--header-h:64px;--gutter:20px}
  body{font-size:16px}
  .hero-intro{padding:44px 0 28px}
  .hero-image{padding-bottom:0}
  .intro-statement{padding:36px 0 44px}
  .intro-statement__text{font-size:clamp(19px,5.6vw,23px);line-height:1.65;letter-spacing:-.02em}
  .feature-split{flex-direction:column}
  .feature-split__panel{flex-basis:auto;width:100%;height:340px}
  .case-grid,.related__grid,.type-grid,.type-grid--list{grid-template-columns:1fr}
  .gallery-mosaic__grid{padding:0 6px}
  .rcard--wide{grid-template-columns:1fr}
  .btn{width:100%}
  .cta-row .btn{flex:1 1 100%}
  .floating-cta{left:16px;right:16px;text-align:center;bottom:14px}
}

/* ── 개선: 섹션 구분 · 제목 위계 · 카드 ── */
.section--ivory{background:var(--ivory)}
.section__head{margin-bottom:40px}
.eyebrow{margin:0 0 10px;font-size:13px;font-weight:600;letter-spacing:.14em;color:var(--brand)}
.section__title{position:relative;padding-top:20px}
.section__title::before{content:"";position:absolute;left:0;top:0;width:40px;height:3px;background:var(--brand)}
.section__head .section__title{margin-bottom:12px}
.section__head .section__sub{margin:0}
.gallery-mosaic__head{padding-top:20px}
.gallery-mosaic__title{position:relative;padding-top:0}
.gallery-mosaic .eyebrow{margin-bottom:10px}
.prose h3,.about-note h3,.story h3{font-family:var(--font-sans);font-size:19px;font-weight:600;padding-left:12px;border-left:3px solid var(--brand);margin:28px 0 12px;line-height:1.4}
.prose .section__title{margin-top:56px}
.story h2.story__h{position:relative;padding-top:18px;margin-top:56px}
.story h2.story__h::before{content:"";position:absolute;left:0;top:0;width:28px;height:3px;background:var(--brand)}
.story h2.story__h:first-child{margin-top:0}
.section + .section:not(.section--alt):not(.section--ivory){border-top:1px solid var(--line)}
.table-wrap{border:1px solid var(--line);border-radius:var(--radius);background:#fff}
.table-wrap table{margin:0}
caption{padding:14px 14px 10px}
tbody tr:nth-child(even) th,tbody tr:nth-child(even) td{background:#fafbfb}
tbody tr:last-child th,tbody tr:last-child td{border-bottom:0}
/* 고민 카드 */
.pain-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;list-style:none}
.pcard,.rcard{border:1px solid var(--line)}
.pcard{display:block;height:100%;background:#fff;border-radius:var(--radius);overflow:hidden;transition:box-shadow .2s,transform .2s,border-color .2s}
.pcard:hover{box-shadow:0 12px 30px rgba(23,37,43,.13);transform:translateY(-4px);border-color:var(--brand)}
.pcard__media{display:block;overflow:hidden}
.pcard__media img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .5s}
.pcard:hover .pcard__media img{transform:scale(1.05)}
.pcard__body{display:flex;flex-direction:column;gap:8px;padding:20px 22px 22px}
.pcard__q{font-family:var(--font-serif);font-size:20px;line-height:1.4;color:var(--heading)}
.pcard__a{font-size:15px;line-height:1.65;color:var(--ink-soft)}
.pcard__go{margin-top:4px;font-size:14px;font-weight:600;color:var(--brand)}
.pcard__go::after{content:" \2192"}
.about-note{margin-top:56px;padding:32px 36px;background:var(--ivory);border-radius:var(--radius);border:1px solid var(--line)}
.about-note h3{margin-top:0}
.about-note p{margin:0;max-width:820px}
.rcard__sum{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rcard--wide .rcard__sum{-webkit-line-clamp:3}
.btn:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #8cc0d6;outline-offset:2px}
/* ── 모바일 ── */
@media (max-width:1023px){.pain-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:700px){
  .section__head{margin-bottom:28px}
  .section__title{font-size:25px;padding-top:16px}
  .page-title{font-size:30px}
  .answer{font-size:16.5px;line-height:1.8}
  .about-note{padding:24px 20px;margin-top:36px}
  .pain-grid,.related__grid{grid-template-columns:1fr;gap:14px}
  .pcard,.related__grid .rcard{display:grid;grid-template-columns:128px 1fr;align-items:stretch}
  .pcard__media,.related__grid .rcard__media{height:100%}
  .pcard__media img,.related__grid .rcard__media img{height:100%;aspect-ratio:auto;min-height:132px}
  .pcard__body{padding:14px 16px;gap:4px}
  .pcard__q{font-size:16.5px}
  .pcard__a{font-size:13.5px;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
  .pcard__go{font-size:13px;margin-top:2px}
  .related__grid .rcard__body{padding:12px 14px}
  .related__grid .rcard__title{font-size:16px}
  .rcard--wide{display:block}
  .case-card__name{font-size:17.5px}
  .type-card{padding:18px}
  .table-wrap{margin-left:0;margin-right:0}
  table{font-size:14.5px;min-width:440px}
  th,td{padding:10px 12px}
  .btn{width:100%;height:54px;font-size:16px}
  .cta-row{flex-direction:column;gap:10px}
  .cta-row .btn{flex:none}
  .cta{padding:44px 0}
  .more-wrap .btn{width:100%}
  .site-nav a{padding:16px 0;font-size:16px}
  .floating-cta{left:0;right:0;bottom:0;border-radius:0;padding:16px 20px calc(16px + env(safe-area-inset-bottom));font-size:16px;font-weight:600;text-align:center;box-shadow:0 -4px 16px rgba(23,37,43,.18)}
  .site-footer{padding-bottom:96px}
  .site-footer__nav ul{gap:8px 16px}
}
/* 표: 모바일에서는 가로 스크롤 대신 줄바꿈으로 화면 폭에 맞춤 */
@media (max-width:700px){
  .table-wrap{overflow-x:visible}
  table{min-width:0;table-layout:auto;font-size:14px}
  thead th,tbody th{white-space:normal}
  th,td{padding:10px;word-break:keep-all;overflow-wrap:anywhere}
  tbody th{width:32%}
}
/* ── 세부페이지(키워드 상세) ── */
.crumbs--center{margin-bottom:18px}
.section--mist{background:var(--mist)}
.section--photo{padding:0 0 var(--section-py)}
.section--before-photo{padding-bottom:32px}
.section--quote{background:var(--ivory);padding:64px 0}
.pullquote{margin:0;text-align:center}
.pullquote p{margin:0;font-family:var(--font-serif);font-size:clamp(21px,2.4vw,28px);line-height:1.7;letter-spacing:-.01em;color:var(--heading)}
.pullquote p::before{content:"";display:block;width:36px;height:3px;background:var(--brand);margin:0 auto 22px}
.photo-pair{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.photo-pair .story__fig{margin:0}
.photo-pair .story__fig img{max-width:none}
.checklist,.sumlist{list-style:none;padding:0!important;display:grid;gap:10px;margin:18px 0 24px!important}
.checklist li,.sumlist li{position:relative;padding:14px 18px 14px 48px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);margin:0!important}
.checklist li::before{content:"";position:absolute;left:20px;top:50%;width:8px;height:14px;border-right:3px solid var(--brand);border-bottom:3px solid var(--brand);transform:translateY(-62%) rotate(45deg)}
.sumlist li{padding-left:22px;border-left:4px solid var(--brand)}
.case-grid--2{grid-template-columns:repeat(2,1fr)}
.hero-image__frame img{object-position:50% 45%}
@media (max-width:700px){.photo-pair{grid-template-columns:1fr}.case-grid--2,.case-grid--3{grid-template-columns:1fr}.section--quote{padding:44px 0}.section--photo{padding-bottom:var(--section-py)}}