/* 구조·디자인 참고: partremodeling.jibsarepair.com (레이아웃·타이포·컴포넌트 형태만 참고, 컬러/문구/이미지는 새로 작성) */
:root{--bg:#F5F7F9;--surface:#fff;--surface-2:#E9EEF3;--ink:#16202B;--ink-soft:#4C5967;--ink-faint:#7E8B98;--line:#D6DDE4;--accent:#2A5A85;--accent-dark:#1B4263;--accent-soft:#E3ECF4;--panel:#0F1822;--panel-text:#F2F5F8;--panel-muted:#9AA8B6;--radius:3px;--maxw:1200px;--gutter:clamp(18px,4vw,44px);--pad:clamp(52px,7vw,92px);--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:1.75;letter-spacing:-.008em;-webkit-font-smoothing:antialiased;word-break:keep-all;overflow-wrap:break-word}
img{max-width:100%;display:block;height:auto}a{color:inherit;text-decoration:none}p{margin:0 0 1em}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.015em;line-height:1.3;overflow-wrap:anywhere}
.wrap{max-width:var(--maxw);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-line{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-title{font-size:clamp(1.55rem,3.4vw,2.4rem);margin-bottom:12px}.sec-desc{color:var(--ink-soft);max-width:640px}.sec-dark .sec-desc{color:var(--panel-muted)}
.marker{display:flex;flex-wrap:wrap;gap:clamp(14px,3vw,40px);padding-bottom:26px;margin-bottom:30px;border-bottom:1px solid var(--line)}
.sec-dark .marker{border-color:rgba(255,255,255,.18)}
.marker-num{flex:none;min-width:90px}.marker-num b{display:block;font-size:clamp(2rem,4.6vw,3.2rem);font-weight:800;line-height:1;color:var(--ink-faint)}
.marker-num span{display:block;margin-top:6px;font-size:.7rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--accent)}.sec-dark .marker-num span{color:#8DB4D6}
.marker-body{flex:1 1 300px}
/* 헤더 */
.hdr{position:fixed;inset:0 0 auto 0;z-index:50;background:var(--bg);border-bottom:1px solid var(--line)}
.hdr-in{max-width:1400px;margin:0 auto;padding:.95rem var(--gutter);display:flex;align-items:center;justify-content:space-between;gap:20px}
.hdr-logo{font-weight:800;font-size:1.08rem;display:flex;align-items:center;gap:9px}.hdr-logo img{width:28px;height:28px}
.hdr-nav{display:flex;gap:24px;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)}
.burger{display:none;background:none;border:0;cursor:pointer;min-width:44px;min-height:44px;flex-direction:column;gap:5px;align-items:center;justify-content:center}.burger i{width:22px;height:2px;background:var(--ink)}
#mnav{position:fixed;inset:0;background:var(--panel);color:var(--panel-text);z-index:100;display:none;flex-direction:column;padding:80px 30px 30px;gap:18px;font-size:1.12rem;font-weight:700}
#mnav.on{display:flex}#mnav a{border-bottom:1px solid rgba(255,255,255,.14);padding-bottom:14px}#mnav button{position:absolute;top:18px;right:22px;background:none;border:0;color:#fff;font-size:2rem;cursor:pointer}
main{padding-top:64px}
.crumb{font-size:.78rem;font-weight:600;color:var(--ink-faint);padding:30px 0 6px;display:flex;flex-wrap:wrap;gap:8px}.crumb a:hover{color:var(--accent)}.crumb b{color:var(--ink)}
/* 버튼 */
.btn-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}
.btn{display:inline-block;padding:.85rem 1.5rem;min-height:48px;border-radius:var(--radius);font-weight:700;font-size:.92rem;border:1px solid transparent;transition:.25s var(--ease);text-align:center}
.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-dark)}
.btn-outline{border-color:var(--ink);color:var(--ink)}.btn-outline:hover{background:var(--ink);color:#fff}
.sec-dark .btn-outline{border-color:rgba(255,255,255,.55);color:#fff}.sec-dark .btn-outline:hover{background:#fff;color:var(--ink)}
/* 첫 화면(H1) */
.top{padding:34px 0 var(--pad)}
.top h1{font-size:clamp(2.2rem,6vw,4.2rem);font-weight:900;line-height:1.08;margin:6px 0 16px}
.eyebrow{font-size:.78rem;font-weight:700;letter-spacing:.12em;color:var(--accent);text-transform:uppercase}
.answer{font-size:1.06rem;max-width:760px;color:var(--ink-soft)}.answer strong{color:var(--ink)}
.top-head{margin-bottom:34px}
/* 전/후 비교 카드 */
.cases{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.case{display:block;background:var(--surface);border:1px solid var(--line);transition:border-color .25s var(--ease)}.case:hover{border-color:var(--accent)}
.case.hide{display:none}
.cmp{display:grid;grid-template-columns:1fr 1fr;gap:2px;background:var(--line)}
.cmp figure{margin:0;position:relative}.cmp img{width:100%;aspect-ratio:3/4;object-fit:cover}
.tag{position:absolute;top:8px;left:8px;padding:.2rem .6rem;background:var(--panel);color:#fff;font-size:.7rem;font-weight:800;letter-spacing:.08em}.cmp figure+figure .tag{background:var(--accent)}
.case-body{padding:14px 16px 16px;border-top:1px solid var(--line)}.case-body h3{font-size:1rem;margin-bottom:4px}.case-body span{font-size:.82rem;color:var(--ink-faint)}
.more-row{text-align:center;margin-top:30px}
/* 괘선 그리드 */
.dgrid{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}
.dgrid>div{padding:clamp(20px,3vw,30px);border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--surface)}
.dgrid small{display:block;font-size:.76rem;color:var(--ink-faint);font-weight:600;margin-bottom:12px}
.dgrid h3{font-size:1.12rem;position:relative;padding-bottom:12px;margin-bottom:8px}.dgrid h3:after{content:'';position:absolute;left:0;bottom:0;width:22px;height:2px;background:var(--accent)}
.dgrid p{font-size:.92rem;color:var(--ink-soft);margin:0}
.def-lead{font-size:1.12rem;font-weight:700;max-width:820px;margin-bottom:14px}
/* 링크 카드 */
.lgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.lcard{display:block;background:var(--surface);border:1px solid var(--line);transition:border-color .25s var(--ease)}.lcard:hover{border-color:var(--accent)}
.lcard img{width:100%;aspect-ratio:4/3;object-fit:cover}.lc-body{padding:14px 16px;border-top:1px solid var(--line)}.lc-body h3,.lc-body h4{font-size:.98rem;margin-bottom:3px}.lc-body span{font-size:.82rem;color:var(--ink-faint);display:block}
/* 절차 */
.steps{display:grid;gap:0;border-top:1px solid var(--line)}.step{display:flex;gap:18px;padding:18px 0;border-bottom:1px solid var(--line)}
.step-n{flex:none;width:40px;height:40px;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800}.step b{display:block}.step span{color:var(--ink-soft);font-size:.92rem}
/* 표 */
.tbl{overflow-x:auto;margin:18px 0 24px;border:1px solid var(--line);background:var(--surface)}
table{border-collapse:collapse;width:100%;min-width:520px;font-size:.92rem}th,td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}th{background:var(--surface-2);font-weight:800;white-space:nowrap}tr:last-child td{border-bottom:0}
/* FAQ */
.faq details{border-bottom:1px solid var(--line)}.faq summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:14px;padding:16px 4px;font-weight:700;font-size:1rem}
.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:'+';font-size:1.3rem;line-height:1;color:var(--accent);flex:none}.faq details[open] summary:after{content:'\2212'}
.faq .a{padding:0 4px 18px;color:var(--ink-soft)}.faq h3{font-size:inherit;display:inline;font-weight:inherit}
/* 상세 글 */
.art{max-width:800px;margin:0 auto;padding:0 var(--gutter)}
.art h1{font-size:clamp(1.9rem,4.6vw,3rem);margin:8px 0 18px;font-weight:900}.art h2{font-size:clamp(1.3rem,2.6vw,1.7rem);margin:44px 0 14px;padding-top:10px;border-top:1px solid var(--line)}.art h3{font-size:1.1rem;margin:26px 0 8px}
.art ul{padding-left:1.2em}.art li{margin-bottom:.4em}
.lead{font-size:1.08rem;padding:18px 20px;background:var(--accent-soft);border-left:3px solid var(--accent);margin:0 0 26px}
.photo{margin:26px 0}.photo img{width:100%;max-width:560px;margin:0 auto;border:1px solid var(--line)}.photo figcaption{text-align:center;font-size:.84rem;color:var(--ink-faint);margin-top:8px}
.photo2{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:26px 0}.photo2 figure{margin:0}.photo2 img{width:100%;border:1px solid var(--line)}.photo2 figcaption{text-align:center;font-size:.84rem;color:var(--ink-faint);margin-top:8px}
.quote{margin:30px 0;padding:20px 22px;border-left:3px solid var(--accent);background:var(--surface)}.quote p{margin:0 0 8px}.quote cite{font-size:.86rem;color:var(--ink-faint);font-style:normal}
.meta{font-size:.84rem;color:var(--ink-faint);margin-top:34px}
.callout{background:var(--panel);color:var(--panel-text);padding:28px;margin:34px 0}.callout h2{border:0;margin:0 0 8px;padding:0;font-size:1.3rem}.callout p{color:var(--panel-muted)}
/* 푸터 */
.ftr{background:var(--panel);color:var(--panel-muted);padding:46px 0 90px;font-size:.86rem}.ftr a:hover{color:#fff}
.ftr-nav{display:flex;flex-wrap:wrap;gap:8px 22px;margin-bottom:20px;color:var(--panel-text);font-weight:600}.ftr p{margin:0 0 4px}
.float{position:fixed;right:16px;bottom:16px;z-index:40;background:var(--accent);color:#fff;padding:.85rem 1.3rem;border-radius:var(--radius);font-weight:700;font-size:.92rem;box-shadow:0 2px 8px rgba(0,0,0,.18)}.float:hover{background:var(--accent-dark)}
.contact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin:20px 0}
@media(max-width:900px){.hdr-nav,.hdr-cta{display:none}.burger{display:flex}.cases,.lgrid{grid-template-columns:repeat(2,1fr)}.dgrid{grid-template-columns:1fr}}
@media(max-width:560px){.cases,.lgrid,.contact-grid{grid-template-columns:1fr}.photo2{grid-template-columns:1fr 1fr}}
/* ---- v2 디자인 개선 ---- */
:root{--shadow:0 6px 20px rgba(22,32,43,.08)}
.marker{align-items:flex-start;border-bottom:0;padding-bottom:0;margin-bottom:28px}
.marker-num{min-width:0;min-height:0}.marker-num span{display:inline-block;margin:0 0 10px;padding:.28rem .7rem;background:var(--accent-soft);color:var(--accent);font-size:.72rem;border-radius:2px}
.sec-dark .marker-num span{background:rgba(255,255,255,.12);color:#cfe0ee}
.marker-body{flex:1 1 100%}
.sec-title{position:relative;padding-bottom:16px}.sec-title:after{content:'';position:absolute;left:0;bottom:0;width:44px;height:3px;background:var(--accent)}
.sec{border-top:1px solid var(--line)}.top{border-top:0}
.eyebrow{display:inline-block;padding:.3rem .7rem;background:var(--accent-soft);border-radius:2px}
.top{background:linear-gradient(180deg,var(--surface) 0,var(--bg) 100%)}
.case,.lcard,.ccard{border-radius:6px;overflow:hidden}.case:hover,.lcard:hover,.ccard:hover{box-shadow:var(--shadow);transform:translateY(-2px)}
.case,.lcard,.ccard{transition:border-color .25s var(--ease),box-shadow .25s var(--ease),transform .25s var(--ease)}
.cmp figure{overflow:hidden}.case-body h3{font-size:1.02rem}.case-body span{display:block;margin-top:2px}
.tag{border-radius:2px}
.btn{border-radius:6px;min-height:50px;display:inline-flex;align-items:center;justify-content:center}
.hdr-cta,.float{border-radius:6px}
.ccards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.ccard{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-top:3px solid var(--accent);padding:22px 22px 18px}
.ccard h3{font-size:1.1rem;margin-bottom:8px}.ccard p{font-size:.92rem;color:var(--ink-soft);margin:0 0 14px;flex:1}.ccard span{font-size:.86rem;font-weight:700;color:var(--accent)}.ccard span:after{content:' \2192'}
.who{margin-top:34px;padding:26px;background:var(--surface-2);border-radius:6px}.who h3{font-size:1.1rem;margin-bottom:10px}.who ul{margin:0 0 14px;padding-left:1.2em}.who li{margin-bottom:.3em}.who .note{font-size:.9rem;color:var(--ink-soft)}
.dgrid{border-radius:6px;overflow:hidden}
.step{align-items:flex-start}.step-n{border-radius:50%}
.faq details{background:var(--surface);border:1px solid var(--line);border-radius:6px;margin-bottom:10px;padding:0 14px}.faq details[open]{border-color:var(--accent)}
.faq summary{padding:16px 0}.sec-alt .faq details{background:var(--surface)}
.tbl{border-radius:6px}
/* 글 페이지: 헤딩 계층 구분 */
.art h1{padding-bottom:14px;border-bottom:3px solid var(--ink)}
.art section{padding:6px 0}
.art h2{border-top:0;padding:0 0 0 14px;margin:48px 0 16px;border-left:4px solid var(--accent);font-size:clamp(1.25rem,2.6vw,1.6rem)}
.art h3{margin:28px 0 10px;font-size:1.08rem;color:var(--accent-dark)}.art h3:before{content:'';display:inline-block;width:8px;height:8px;background:var(--accent);margin-right:8px;vertical-align:middle}
.faq h3{margin:0;color:inherit}.faq h3:before{display:none}
.lead{border-radius:0 6px 6px 0}.photo img,.photo2 img{border-radius:6px}.quote{border-radius:0 6px 6px 0}
@media(max-width:900px){.ccards{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){
 body{font-size:15.5px}.wrap,.art{padding-left:16px;padding-right:16px}
 .top h1{font-size:2.3rem}.ccards{grid-template-columns:1fr}.ccard{padding:18px}
 .btn-row{flex-direction:column}.btn-row .btn,.contact-grid .btn,.more-row .btn{width:100%;min-height:54px;font-size:1rem}
 .art p>a.btn{display:flex;width:100%;min-height:54px}
 .cases{gap:16px}.case-body{padding:12px 14px}
 .who{padding:18px}
 .float{left:12px;right:12px;bottom:12px;text-align:center;min-height:54px;display:flex;align-items:center;justify-content:center;font-size:1rem}
 .ftr{padding-bottom:100px}
 .faq summary{font-size:.96rem}
 .art h2{margin-top:40px}
}
.top h1{margin:22px 0 28px}
.top .eyebrow{margin-bottom:0}
@media(max-width:560px){.top h1{margin:18px 0 22px}}