/* 구조·디자인 참고: partremodeling.jibsarepair.com (레이아웃·형태·타이포 위계만 참고, 컬러·텍스트·이미지는 미사용) */
:root{
  --bg:#F5F6F7;--surface:#fff;--surface-2:#ECEFF1;--ink:#16191C;--ink-soft:#4A5259;--ink-faint:#7C858C;
  --line:#DADFE3;--line-alt:#BFC6CC;--accent:#1B5E86;--accent-dark:#12435F;--accent-soft:#E2EDF4;
  --panel:#11161B;--panel-text:#F2F5F7;--panel-muted:#9AA6AF;
  --radius:3px;--maxw:1280px;--gutter:clamp(20px,4vw,48px);--section-pad:clamp(56px,8vw,104px);--ease:cubic-bezier(.22,1,.36,1);
  --font:'Pretendard Variable','Pretendard',-apple-system,BlinkMacSystemFont,'Malgun Gothic',sans-serif;
}
@font-face{font-family:'Pretendard Variable';src:url('https://cdn.jsdelivr.net/npm/pretendard@1.3.9/dist/web/variable/woff2/PretendardVariable.woff2') format('woff2-variations');font-weight:45 920;font-display:swap}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.7;letter-spacing:-.008em;-webkit-font-smoothing:antialiased;word-break:keep-all;overflow-wrap:break-word}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.015em;line-height:1.3}
p{margin:0}
ul{margin:0;padding:0}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 var(--gutter)}
.sec{padding:var(--section-pad) 0}
.sec-alt{background:var(--surface-2)}
.sec-dark{background:var(--panel);color:var(--panel-text)}
.sec-invert{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.eyebrow{display:inline-block;font-size:.78rem;font-weight:700;letter-spacing:.12em;color:var(--accent);margin-bottom:12px}
.sec-dark .eyebrow{color:#8DC2E0}
.sec-title{font-size:clamp(1.5rem,3.4vw,2.4rem);margin-bottom:14px}
.sec-desc{color:var(--ink-soft);max-width:680px;line-height:1.75}
.sec-dark .sec-desc{color:var(--panel-muted)}
.sec-marker{display:flex;flex-wrap:wrap;gap:clamp(18px,3.5vw,48px);padding-bottom:28px;margin-bottom:32px;border-bottom:1px solid var(--line)}
.sec-marker .num{display:block;font-size:clamp(2.2rem,5vw,3.4rem);font-weight:800;color:var(--ink-faint);line-height:1}
.sec-marker .label{display:block;font-size:.7rem;font-weight:700;letter-spacing:.12em;color:var(--accent);margin-top:6px}
.sec-marker-body{flex:1 1 320px}
/* 헤더 */
.hdr{position:fixed;top:0;left:0;right:0;z-index:50;background:var(--bg);border-bottom:1px solid var(--line)}
.hdr-inner{max-width:1440px;margin:0 auto;padding:1rem var(--gutter);display:flex;align-items:center;justify-content:space-between;gap:20px}
.hdr-logo span{font-size:1.08rem;font-weight:800}
.hdr-nav{display:flex;gap:26px;font-size:.9rem;font-weight:600}
.hdr-nav a:hover{color:var(--accent)}
.hdr-cta{padding:.6rem 1.15rem;border-radius:var(--radius);background:var(--accent);color:#fff;font-weight:700;font-size:.88rem;transition:background .25s var(--ease)}
.hdr-cta:hover{background:var(--accent-dark)}
.hdr-burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:10px;min-width:44px;min-height:44px;align-items:center;justify-content:center}
.hdr-burger span{width:22px;height:2px;background:var(--ink)}
#mob-nav{position:fixed;inset:0;background:var(--panel);color:var(--panel-text);z-index:100;display:none;flex-direction:column;padding:80px 32px 32px;gap:20px;font-size:1.15rem;font-weight:700}
#mob-nav.active{display:flex}
#mob-nav a{border-bottom:1px solid rgba(255,255,255,.14);padding-bottom:16px}
#mob-nav-close{position:absolute;top:20px;right:26px;font-size:2.2rem;cursor:pointer;line-height:1}
main{padding-top:68px}
@media (max-width:860px){.hdr-nav{display:none}.hdr-burger{display:flex}.hdr-inner{gap:10px}.hdr-cta{margin-left:auto}}
/* 브레드크럼 */
.crumb{font-size:.78rem;font-weight:600;color:var(--ink-faint);padding:26px 0 8px;display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.crumb a:hover{color:var(--accent)}
.crumb-sep{width:5px;height:5px;border-top:1.5px solid var(--ink-faint);border-right:1.5px solid var(--ink-faint);transform:rotate(45deg)}
.crumb-current{color:var(--ink);font-weight:700}
/* 버튼 */
.btn-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}
.btn{display:inline-block;padding:.9rem 1.5rem;border-radius:var(--radius);font-weight:700;font-size:.92rem;border:1px solid transparent;transition:.25s var(--ease);cursor:pointer;font-family:inherit;background:none}
.btn-primary{background:var(--accent);color:#fff;border-color:var(--accent)}
.btn-primary:hover{background:var(--accent-dark);border-color:var(--accent-dark)}
.btn-outline{border-color:var(--line-alt);color:var(--ink)}
.btn-outline:hover{background:var(--ink);color:#fff;border-color:var(--ink)}
.sec-dark .btn-outline{border-color:rgba(255,255,255,.5);color:#fff}
.sec-dark .btn-outline:hover{background:#fff;color:var(--ink)}
/* 첫 화면: H1 + 답변 */
.intro{padding:clamp(28px,5vw,56px) 0 clamp(28px,4vw,40px)}
.intro h1{font-size:clamp(2.6rem,7vw,5rem);font-weight:900;letter-spacing:-.02em;line-height:1.05;margin-bottom:16px}
.answer{font-size:1.06rem;color:var(--ink-soft);max-width:760px;line-height:1.8}
.answer strong{color:var(--ink)}
/* 사례 카드 (전/후 비교, 좌우 50:50) */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.case-card{display:block;background:var(--surface);border:1px solid var(--line);transition:border-color .25s var(--ease)}
.case-card:hover{border-color:var(--accent)}
.case-card[hidden]{display:none}
.cmp{display:grid;grid-template-columns:1fr 1fr;gap:2px;background:var(--line)}
.cmp figure{position:relative;margin:0}
.cmp img{width:100%;aspect-ratio:3/4;object-fit:cover}
.cmp figcaption{position:absolute;top:8px;left:8px;padding:.2rem .6rem;background:var(--panel);color:#fff;font-size:.68rem;font-weight:800;letter-spacing:.08em}
.cmp .after figcaption{background:var(--accent)}
.case-body{padding:16px 18px 20px;border-top:1px solid var(--line)}
.case-body h3{font-size:1rem;margin-bottom:6px}
.case-body p{font-size:.86rem;color:var(--ink-soft)}
.case-meta{margin-top:8px;font-size:.78rem;color:var(--ink-faint)}
.more-wrap{text-align:center;margin-top:28px}
@media (max-width:1000px){.case-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.case-grid{grid-template-columns:1fr}}
/* 히어로 밴드 (마퀴) */
.band{position:relative;background:var(--panel);color:var(--panel-text);overflow:hidden}
.band-media{height:clamp(220px,34vw,360px);overflow:hidden}
.marquee-track{display:flex;gap:2px;width:max-content;height:100%;animation:mq 60s linear infinite}
.marquee-track img{height:100%;width:auto;flex:none;object-fit:cover}
@keyframes mq{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.band-text{padding:clamp(36px,6vw,64px) 0}
.band-text h2{font-size:clamp(1.5rem,3.4vw,2.4rem);margin-bottom:12px}
.band-text p{color:var(--panel-muted);max-width:640px}
@media (prefers-reduced-motion:reduce){.marquee-track{animation:none}}
/* 괘선 격자 */
.divided-grid{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}
.divided-col{padding:clamp(22px,3vw,32px);border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--surface)}
.divided-col .counter{display:block;font-size:.76rem;color:var(--ink-faint);margin-bottom:14px;font-weight:600}
.divided-col h3{font-size:1.12rem;position:relative;padding-bottom:12px;margin-bottom:8px}
.divided-col h3::after{content:'';position:absolute;left:0;bottom:0;width:22px;height:2px;background:var(--accent)}
.divided-col p{font-size:.9rem;color:var(--ink-soft)}
@media (max-width:860px){.divided-grid{grid-template-columns:1fr}}
/* 링크 카드 */
.grid{display:grid;gap:20px}
.related-grid,.nseo-grid{grid-template-columns:repeat(3,1fr)}
.nseo-grid{grid-template-columns:repeat(5,1fr)}
.link-card{display:block;background:var(--surface);border:1px solid var(--line);overflow:hidden;transition:border-color .25s var(--ease)}
.link-card:hover{border-color:var(--accent)}
.link-card img{width:100%;aspect-ratio:4/3;object-fit:cover}
.lc-body{padding:14px 16px;border-top:1px solid var(--line)}
.lc-body h4{font-size:.96rem;margin-bottom:4px}
.lc-body span{font-size:.8rem;color:var(--ink-faint);display:block}
@media (max-width:1100px){.nseo-grid{grid-template-columns:repeat(3,1fr)}}
@media (max-width:760px){.related-grid,.nseo-grid{grid-template-columns:1fr 1fr}}
@media (max-width:480px){.related-grid,.nseo-grid{grid-template-columns:1fr}}
/* 표 */
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;border:1px solid var(--line);background:var(--surface)}
table{border-collapse:collapse;width:100%;min-width:560px;font-size:.92rem}
th,td{padding:14px 16px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
th{background:var(--surface-2);font-weight:800;font-size:.84rem;white-space:nowrap}
tr:last-child td{border-bottom:0}
caption{text-align:left;padding:12px 16px;font-size:.84rem;color:var(--ink-faint);caption-side:bottom}
/* 단계 */
.steps{display:flex;flex-direction:column}
.step{display:flex;gap:20px;padding:22px 0;border-bottom:1px solid var(--line)}
.step:last-child{border-bottom:0}
.step-num{flex:none;width:40px;height:40px;border-radius:999px;background:var(--accent-soft);color:var(--accent);display:flex;align-items:center;justify-content:center;font-weight:800}
.step h3{font-size:1rem;margin-bottom:6px}
.step p{color:var(--ink-soft);font-size:.92rem}
.checklist{list-style:none;display:grid;gap:12px}
.checklist li{display:flex;gap:12px;align-items:flex-start;font-size:.95rem;color:var(--ink-soft)}
.checklist li::before{content:'';flex:none;width:14px;height:14px;margin-top:6px;border-radius:2px;background:var(--accent)}
/* FAQ */
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:18px 0}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary h3{font-size:1.02rem;font-weight:700}
.faq-item summary::after{content:'+';font-size:1.5rem;color:var(--accent);flex:none;line-height:1}
.faq-item[open] summary::after{content:'−'}
.faq-item p{padding:0 0 20px;color:var(--ink-soft);max-width:760px}
/* 본문 (세부 페이지) */
.article{max-width:820px}
.article h1{font-size:clamp(1.9rem,4.6vw,3rem);font-weight:900;line-height:1.2;margin-bottom:18px}
.article h2{position:relative;font-size:clamp(1.3rem,2.6vw,1.7rem);margin:56px 0 18px;padding-top:26px;border-top:1px solid var(--line-alt)}
.article h2::before{content:'';position:absolute;left:0;top:-2px;width:44px;height:3px;background:var(--accent)}
.article h1+p{font-size:1.04rem;color:var(--ink)}
.article h3{font-size:1.05rem;margin:26px 0 8px}
.article p{margin-bottom:16px;color:var(--ink-soft)}
.article ul.checklist{margin:14px 0 20px}
.article .table-wrap{margin:18px 0 24px}
.photo{margin:30px 0;padding-bottom:6px}
.photo img{width:100%;max-width:560px;height:auto;border:1px solid var(--line)}
.photo figcaption{margin-top:8px;font-size:.84rem;color:var(--ink-faint)}
.info-table{margin:20px 0 30px}
.quote{margin:30px 0;padding:22px 26px;background:var(--surface);border-left:3px solid var(--accent)}
.quote p{color:var(--ink);margin-bottom:8px}
.quote cite{font-size:.86rem;color:var(--ink-faint);font-style:normal}
.updated{margin-top:36px;font-size:.84rem;color:var(--ink-faint)}
.inline-link{color:var(--accent);font-weight:700;border-bottom:1px solid currentColor}
/* 상담 페이지 */
.cta-box{background:var(--panel);color:var(--panel-text);padding:clamp(28px,5vw,48px);margin:30px 0}
.cta-box p{color:var(--panel-muted)}
/* 푸터 */
.ftr{background:var(--panel);color:var(--panel-muted);padding:48px 0 90px;font-size:.84rem}
.ftr-top{display:flex;flex-wrap:wrap;justify-content:space-between;gap:20px;margin-bottom:22px;padding-bottom:22px;border-bottom:1px solid rgba(255,255,255,.14)}
.ftr-logo{color:#fff;font-weight:800;font-size:1.1rem}
.ftr-links{display:flex;flex-wrap:wrap;gap:8px 22px}
.ftr-links a:hover{color:#fff}
.ftr-biz{margin-bottom:6px;line-height:1.7}
.ftr-copy{margin-top:14px;opacity:.7}
.float-cta{position:fixed;right:16px;bottom:16px;z-index:40;background:var(--accent);color:#fff;font-weight:700;font-size:.9rem;padding:.85rem 1.2rem;border-radius:var(--radius);border:1px solid rgba(255,255,255,.25)}
.float-cta:hover{background:var(--accent-dark)}

/* 모바일 표: 좁은 화면에서는 행을 카드로 재배치 (라벨: 값) */
@media (max-width:640px){
  .table-wrap{overflow:visible;border:0;background:none}
  table{min-width:0;display:block}
  table thead{position:absolute;left:-9999px}
  table tbody,table tr{display:block}
  table tr{background:var(--surface);border:1px solid var(--line);margin-bottom:12px;padding:6px 0}
  table th[scope=row],table td{display:block;border:0;padding:8px 16px}
  table th[scope=row]{background:none;font-size:.98rem;padding-top:12px}
  table td[data-label]::before{content:attr(data-label);display:block;font-size:.72rem;font-weight:800;color:var(--accent);letter-spacing:.04em;margin-bottom:2px}
  .info-table tr{padding:0}
  .info-table th[scope=row]{padding-bottom:0}
  caption{display:block;padding:0 0 10px}
}

/* 섹션·제목 구분 강화 */
.sec-title::before{content:'';display:block;width:36px;height:3px;background:var(--accent);margin-bottom:14px}
.sec-dark .sec-title::before{background:#8DC2E0}
.sec-marker .sec-title::before{display:none}
.sec{border-top:1px solid var(--line)}
.sec-dark{border-top:0}
.sec-alt{border-bottom:1px solid var(--line)}
.intro{border-bottom:1px solid var(--line)}
.sec-desc{margin-bottom:6px}
.faq-item summary h3{margin:0}
.article .btn-row{margin-top:36px;padding-top:28px;border-top:1px solid var(--line)}
.article section>h2:only-child{margin-bottom:10px}
.related-grid{margin-top:22px}
.lc-body h4{line-height:1.4}
/* 상담 박스(어두운 배경) 아웃라인 버튼: 흰색, 호버 효과 없음 */
.cta-box .btn-outline,.cta-box .btn-outline:hover{border-color:rgba(255,255,255,.6);color:#fff;background:none}
.article .btn-row{margin-bottom:56px}