/* 구조·디자인 참고 출처: partremodeling.jibsarepair.com (레이아웃·타이포 위계만 참고, 컬러·문구·이미지 미사용) */
@font-face{font-family:'Paperlogy';src:url('https://cdn.jsdelivr.net/gh/fonts-archive/Paperlogy/Paperlogy-4Regular.woff2') format('woff2');font-weight:400;font-display:swap}
@font-face{font-family:'Paperlogy';src:url('https://cdn.jsdelivr.net/gh/fonts-archive/Paperlogy/Paperlogy-5Medium.woff2') format('woff2');font-weight:500;font-display:swap}
:root{--bg:#f3f4f6;--paper:#fff;--ink:#14202b;--ink2:#1d2b38;--acc:#b4501a;--acc-d:#8f3e12;--acc-soft:#f8ebe1;--sub:#55606b;--line:#dde1e6;--max:1220px;--r:8px;--pill:999px;
--ff:'Paperlogy','Pretendard Variable',ui-sans-serif,system-ui,-apple-system,'Malgun Gothic',sans-serif;--mono:ui-monospace,'SF Mono',Menlo,Consolas,monospace;
--sh:0 2px 4px rgba(20,32,43,.08),0 1px 3px rgba(20,32,43,.1);--sh2:0 8px 20px rgba(20,32,43,.14)}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--ff);font-size:16px;line-height:1.75;letter-spacing:-.01em;word-break:keep-all}
img{max-width:100%;height:auto;display:block}a{color:inherit;text-decoration:none}
h1,h2,h3{line-height:1.35;margin:0;font-weight:500;letter-spacing:-.02em}
h1{font-size:clamp(2rem,4.6vw,3.2rem);font-weight:500}h2{font-size:clamp(1.45rem,2.8vw,2.05rem)}h3{font-size:1.1rem}
.sec h2::after{content:'';display:block;width:44px;height:3px;background:var(--acc);margin-top:14px;border-radius:2px}.cta-band h2::after{display:none}
p{margin:0 0 1em}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
section.sec{padding:76px 0;border-top:1px solid var(--line)}.intro+section.sec{border-top:0}.sec.alt{background:var(--paper)}.sec.dark{background:var(--ink);color:#fff}
.sec-marker{display:flex;align-items:baseline;gap:14px;margin-bottom:12px}
.sec-marker .no{font-size:.82rem;font-weight:500;color:var(--acc);letter-spacing:.02em;display:inline-flex;align-items:center;gap:10px}.sec-marker .no::before{content:'';width:22px;height:2px;background:var(--acc)}
.dark .sec-marker .no{color:#f0a26f}
.sec-desc{color:var(--sub);max-width:720px;margin:10px 0 0}.dark .sec-desc{color:#b9c3cd}
/* header */
.hdr{position:sticky;top:0;z-index:100;background:var(--ink);border-bottom:1px solid rgba(255,255,255,.14)}
.hdr-inner{max-width:var(--max);margin:0 auto;padding:14px 24px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.hdr-logo{color:#fff;font-weight:500;font-size:1.05rem;display:inline-flex;align-items:center;gap:9px}
.hdr-logo svg{width:28px;height:28px}
.hdr-nav{display:flex;gap:26px;color:#d5dbe1;font-size:.92rem}.hdr-nav a:hover{color:#fff}
.hdr-cta{background:var(--acc);color:#fff;padding:9px 20px;border-radius:var(--pill);font-size:.85rem;font-weight:500}
/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:14px 28px;border-radius:var(--pill);font-size:.95rem;font-weight:500;border:1px solid transparent;cursor:pointer;transition:background .18s,transform .18s}
.btn-acc{background:var(--acc);color:#fff}.btn-acc:hover{background:var(--acc-d)}
.btn-line{border-color:var(--ink);color:var(--ink);background:transparent}.dark .btn-line{border-color:#fff;color:#fff}
/* intro (H1) */
.intro{padding:44px 0 36px;background:var(--paper);border-bottom:1px solid var(--line)}.hero{padding:56px 0}.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:center}.hero-grid>img{border-radius:var(--r);aspect-ratio:4/3;object-fit:cover;width:100%;box-shadow:var(--sh2)}.btn-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.intro .lead{max-width:780px;color:var(--sub);margin:14px 0 0;font-size:1.04rem}
.crumb{font-size:.82rem;color:var(--sub);margin-bottom:10px}.crumb a:hover{text-decoration:underline}
/* grids/cards */
.photo-cards{align-items:stretch}.rel.photo-cards{grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}
.pcard{display:flex;flex-direction:column;background:var(--paper);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:box-shadow .18s,transform .18s}
.pcard:hover{box-shadow:var(--sh2);transform:translateY(-3px)}.pcard img{aspect-ratio:4/3;width:100%;object-fit:cover}
.pcard-body{padding:18px 20px 22px;display:flex;flex-direction:column;flex:1}.pcard-body h3{margin-bottom:8px}.pcard-body p{color:var(--sub);font-size:.92rem;margin:0 0 14px}
.pcard-more{margin-top:auto;color:var(--acc);font-weight:500;font-size:.9rem}.pcard-more::after{content:' \2192'}
.case-link{display:grid;grid-template-columns:200px 1fr;gap:0;background:var(--paper);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:box-shadow .18s,transform .18s}.case-link:hover{box-shadow:var(--sh2);transform:translateY(-2px)}
.case-link img{width:100%;height:100%;object-fit:cover;min-height:140px}.case-link div{padding:18px 22px;display:flex;flex-direction:column;justify-content:center;gap:4px}.case-link b{font-weight:500;font-size:1.05rem}.case-link span:last-child{color:var(--sub);font-size:.9rem}
.grid{display:grid;gap:22px}.g3{grid-template-columns:repeat(3,1fr)}.g2{grid-template-columns:repeat(2,1fr)}.g4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:30px 26px;transition:box-shadow .18s,transform .18s}
a.card:hover,.case-card:hover{box-shadow:var(--sh2);transform:translateY(-2px)}
.card h3{margin-bottom:8px}.card p{color:var(--sub);margin:0;font-size:.95rem}
/* case compare card */
.case-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;display:block;transition:box-shadow .18s,transform .18s}
.cmp{display:grid;grid-template-columns:1fr 1fr;gap:2px;background:var(--line);position:relative}
.cmp figure{margin:0;position:relative;aspect-ratio:3/4;overflow:hidden;background:#cfd5db}
.cmp img{width:100%;height:100%;object-fit:cover}
.cmp figcaption{position:absolute;left:8px;top:8px;background:rgba(20,32,43,.82);color:#fff;font-size:.72rem;padding:2px 10px;border-radius:var(--pill);font-family:var(--mono)}
.case-body{padding:18px 20px 22px}.case-body h3{margin-bottom:6px}.case-body p{color:var(--sub);font-size:.9rem;margin:0}
.case-tag{font-family:var(--mono);font-size:.72rem;color:var(--acc);letter-spacing:.06em;margin-bottom:4px}
.case-card.is-hidden{display:none}
.more-wrap{text-align:center;margin-top:30px}
/* steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:var(--paper)}
.step{padding:26px 22px;border-right:1px solid var(--line)}.step:last-child{border-right:0}
.step h3{margin:0 0 6px;padding-left:12px;border-left:3px solid var(--acc)}.step p{margin:0;color:var(--sub);font-size:.92rem}
/* table */
.tbl-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r);background:var(--paper)}
table{border-collapse:collapse;width:100%;min-width:560px;font-size:.93rem}
th,td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}th{background:var(--acc-soft);font-weight:500;white-space:nowrap}tr:last-child td{border-bottom:0}
/* faq */
details{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);margin-bottom:10px}
summary{cursor:pointer;list-style:none;padding:18px 22px;font-weight:500;display:flex;justify-content:space-between;gap:16px}
summary::-webkit-details-marker{display:none}summary::after{content:'+';font-family:var(--mono);color:var(--acc);font-size:1.2rem;line-height:1}
details[open] summary::after{content:'−'}details .ans{padding:0 22px 20px;color:var(--sub)}details .ans p{margin:0}
/* gallery */
.gal{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.gal figure{margin:0;background:var(--paper);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.gal img{aspect-ratio:4/3;width:100%;object-fit:cover}.gal figcaption{padding:12px 16px;font-size:.92rem}
/* article */
.article{max-width:820px;margin:0 auto}.article h2{margin:56px 0 16px;padding-top:40px;border-top:1px solid var(--line)}.article h2:first-child{margin-top:0;padding-top:0;border-top:0}.article h3{margin:28px 0 10px;padding-left:12px;border-left:3px solid var(--acc);font-size:1.08rem}details h3{margin:0;padding:0;border:0;font-size:1rem;font-weight:500;display:inline}.article>.cta-band,.article>.case-link{margin-top:40px}.article section{margin:0}
.article ul,.article ol{padding-left:1.2em;margin:0 0 1.2em}.article li{margin-bottom:.4em}
.photo{margin:24px 0}.photo img{border-radius:var(--r);margin:0 auto;max-height:640px;width:auto}.photo figcaption{font-size:.86rem;color:var(--sub);text-align:center;margin-top:8px}
.meta{display:flex;flex-wrap:wrap;gap:8px 22px;font-size:.88rem;color:var(--sub);margin-top:14px}
.quote{border-left:3px solid var(--acc);background:var(--acc-soft);padding:18px 22px;border-radius:0 var(--r) var(--r) 0;margin:26px 0}
.quote small{display:block;margin-top:8px;color:var(--sub)}
.rel{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:16px}
.rel a{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:box-shadow .18s,transform .18s}.rel a:hover{box-shadow:var(--sh2);transform:translateY(-2px)}
.rel img{aspect-ratio:4/3;width:100%;object-fit:cover}.rel div{padding:14px 16px}.rel b{display:block;font-weight:500}.rel span{font-size:.86rem;color:var(--sub)}
.updated{font-size:.85rem;color:var(--sub);margin-top:30px}
/* split hero (brand definition) */
.split{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.split img{border-radius:var(--r);aspect-ratio:4/3;object-fit:cover;width:100%}
.cta-band{background:var(--ink);color:#fff;border-radius:var(--r);padding:44px 40px;display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
/* footer */
.ftr{background:var(--ink);color:#b9c3cd;padding:56px 0 90px;font-size:.9rem}
.ftr-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:36px}.ftr h4{color:#fff;margin:0 0 12px;font-weight:500}.ftr a:hover{color:#fff}.ftr ul{list-style:none;padding:0;margin:0}.ftr li{margin-bottom:6px}
.ftr-copy{border-top:1px solid rgba(255,255,255,.14);margin-top:32px;padding-top:18px;font-size:.82rem}
.float-cta{position:fixed;right:18px;bottom:18px;z-index:90;background:var(--acc);color:#fff;padding:14px 22px;border-radius:var(--pill);box-shadow:var(--sh2);font-weight:500;font-size:.92rem}
@media (max-width:900px){.hero-grid{grid-template-columns:1fr;gap:28px}.hdr-inner{flex-wrap:wrap;gap:8px 16px;padding:10px 18px}.hdr-nav{display:flex!important;order:3;width:100%;gap:20px;overflow-x:auto;white-space:nowrap;padding-bottom:4px;scrollbar-width:none}.hdr-nav::-webkit-scrollbar{display:none}.g3,.g4,.rel,.gal{grid-template-columns:repeat(2,1fr)}.steps{grid-template-columns:repeat(2,1fr)}.step:nth-child(2){border-right:0}.step:nth-child(-n+2){border-bottom:1px solid var(--line)}.split,.ftr-grid{grid-template-columns:1fr}}
@media (max-width:600px){body{font-size:15.5px;padding-bottom:76px}.wrap{padding:0 18px}.hero{padding:32px 0}section.sec{padding:52px 0}.btn{width:100%;padding:16px 20px;font-size:1rem;min-height:52px}.btn-row{flex-direction:column}.cta-band .btn{width:100%}.hdr-cta{padding:8px 16px}.float-cta{left:0;right:0;bottom:0;border-radius:0;text-align:center;padding:18px 20px;font-size:1rem;box-shadow:0 -4px 14px rgba(20,32,43,.18)}.case-link{grid-template-columns:1fr}.case-link img{aspect-ratio:16/9;height:auto}.steps{grid-template-columns:1fr}.step{border-right:0!important;border-bottom:1px solid var(--line)}.step:last-child{border-bottom:0}summary{padding:16px 16px}details .ans{padding:0 16px 18px}.article h2{margin-top:44px;padding-top:32px}.cta-band{text-align:left}.g3,.g2,.g4,.rel,.gal{grid-template-columns:1fr}.cmp figure{aspect-ratio:3/4}.cta-band{padding:30px 22px}}
@media (max-width:600px){table{min-width:0}thead{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}table,tbody,tr,td{display:block;width:100%}tr{border-bottom:1px solid var(--line);padding:10px 0}tr:last-child{border-bottom:0}td{border:0;padding:6px 16px}td[data-label]::before{content:attr(data-label);display:block;font-size:.76rem;color:var(--acc);font-weight:500}tr td:first-child{font-weight:500;font-size:1rem}.tbl-scroll{overflow:visible}}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
.flow{list-style:none;padding:0!important;margin:0 0 1.2em}.flow li{border-left:3px solid var(--acc);padding:4px 0 4px 16px;margin:0 0 16px}.flow b{display:block;margin-bottom:2px}.flow span{color:var(--sub)}
.pcard.is-hidden{display:none}