/* 참고: sidewalkblock.kjipsuri.com 구조·타이포 인상 (컬러는 새로 선정) */
:root{--pri:#0e4a5a;--pri-d:#093540;--acc:#a8582c;--acc-d:#8c4620;--bg:#fbf9f5;--alt:#f1ece3;--card:#fff;--tx:#1b2a30;--mu:#566970;--bd:#ddd5c8;--ct:1200px;--sec:120px;--sh:0 6px 24px rgba(14,74,90,.10),0 2px 8px rgba(14,74,90,.06);--font:'Pretendard Variable',Pretendard,-apple-system,'Apple SD Gothic Neo',sans-serif}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:72px}
body{margin:0;font-family:var(--font);color:var(--tx);background:var(--bg);line-height:1.7;font-size:16px;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3{line-height:1.3;letter-spacing:-.03em;margin:0;color:var(--pri)}
p{margin:0 0 1em}
ul,ol{padding-left:1.2em;margin:0 0 1em}
.container{max-width:var(--ct);margin:0 auto;padding:0 24px}
.section{padding:var(--sec) 0}.section.alt{background:var(--alt)}
.section-h2{font-size:clamp(1.6rem,3vw,2.2rem);font-weight:800;margin-bottom:12px}
.section-sub{color:var(--mu);max-width:720px;margin-bottom:40px}
.eyebrow{display:inline-block;font-size:.78rem;font-weight:700;letter-spacing:.08em;color:var(--acc-d);margin-bottom:14px}
/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(251,249,245,.96);border-bottom:1px solid var(--bd);backdrop-filter:blur(6px)}
.hd-in{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.15rem;color:var(--pri)}
.site-nav{display:flex;align-items:center;gap:4px}
.site-nav a{font-size:.9rem;font-weight:600;padding:8px 12px;border-radius:2px;white-space:nowrap}
.site-nav a:hover{background:var(--alt)}
.site-nav .nav-cta{background:var(--acc-d);color:#fff;margin-left:8px;padding:9px 18px}
.site-nav .nav-cta:hover{background:var(--pri)}
.nav-toggle{display:none;background:none;border:0;padding:8px;cursor:pointer}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--pri);margin:5px 0}
/* buttons */
.btn{display:inline-block;padding:14px 26px;font-weight:700;border:1px solid transparent;border-radius:2px;transition:background .2s,transform .2s}
.btn-primary{background:var(--acc-d);color:#fff}.btn-primary:hover{background:var(--pri);transform:translateY(-2px)}
.btn-ghost{border-color:var(--pri);color:var(--pri)}.btn-ghost:hover{background:var(--card)}
.btn-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
/* intro (H1) */
.intro{padding:56px 0 8px}
.intro h1{font-size:clamp(2.4rem,4.6vw,3.6rem);font-weight:800}
.intro .lead{max-width:780px;margin-top:18px;font-size:1.08rem;color:var(--tx)}
/* case cards */
.cases{padding:48px 0 var(--sec)}
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.case-card{display:block;background:var(--card);border:1px solid var(--bd);transition:transform .3s,box-shadow .3s}
.case-card:hover{transform:translateY(-4px);box-shadow:var(--sh)}
.case-card.is-hidden{display:none}
.cmp{display:grid;grid-template-columns:1fr 1fr;position:relative}
.cmp figure{margin:0;position:relative}
.cmp img{width:100%;aspect-ratio:4/3;object-fit:cover}
.cmp figcaption{position:absolute;top:8px;left:8px;font-size:.68rem;font-weight:700;letter-spacing:.06em;color:#fff;background:rgba(27,42,48,.7);padding:3px 9px}
.cmp figure+figure figcaption{left:auto;right:8px;background:rgba(14,74,90,.9)}
.case-body{padding:16px 18px 20px;border-top:1px solid var(--bd)}
.case-body h3{font-size:1.05rem;font-weight:700}
.case-body p{margin:6px 0 0;font-size:.86rem;color:var(--mu)}
.more-wrap{text-align:center;margin-top:36px}
.more-btn{background:var(--card);border:1px solid var(--pri);color:var(--pri);padding:14px 40px;font:inherit;font-weight:700;cursor:pointer;border-radius:2px}
.more-btn:hover{background:var(--pri);color:#fff}
/* brand definition */
.define{display:grid;grid-template-columns:1.1fr 1fr;gap:56px;align-items:center}
.define img{width:100%;aspect-ratio:4/3;object-fit:cover}
.define p{color:var(--tx)}
/* pain */
.pain-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.pain-card{background:var(--card);border:1px solid var(--bd);border-top:3px solid transparent;padding:28px 24px;transition:border-color .3s,transform .3s}
.pain-card:hover{border-top-color:var(--acc-d);transform:translateY(-4px)}
.pain-card h3{font-size:1.05rem;margin-bottom:8px}.pain-card p{font-size:.92rem;color:var(--mu);margin:0}
/* services */
.sv-list{display:flex;flex-direction:column;gap:20px}
.sv-card{display:grid;grid-template-columns:1fr 1fr;background:var(--card);border:1px solid var(--bd);transition:box-shadow .3s,transform .3s}
.sv-card:hover{box-shadow:var(--sh);transform:translateY(-3px)}
.sv-card:nth-child(even) img{order:2}
.sv-card img{width:100%;height:100%;min-height:240px;object-fit:cover}
.sv-body{padding:32px;display:flex;flex-direction:column;justify-content:center;gap:8px}
.sv-num{font-size:.75rem;font-weight:700;color:var(--acc-d);letter-spacing:.1em}
.sv-body h3{font-size:1.3rem}.sv-body p{color:var(--mu);margin:0;font-size:.95rem}
.sv-more{font-weight:700;color:var(--acc-d);font-size:.9rem;margin-top:6px}
/* tables */
.tbl-wrap{overflow-x:auto;margin:0 0 1.2em;border:1px solid var(--bd);background:var(--card)}
table{border-collapse:collapse;width:100%;min-width:480px;font-size:.93rem}
th,td{padding:13px 16px;text-align:left;border-bottom:1px solid var(--bd);vertical-align:top}
th{background:var(--alt);color:var(--pri);font-weight:700;white-space:nowrap}
tr:last-child td{border-bottom:0}
/* process */
.pt-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:s}
.pt-card{background:var(--card);border:1px solid var(--bd);padding:24px 20px;position:relative}
.pt-card::before{counter-increment:s;content:"0" counter(s);font-weight:800;color:var(--acc-d);font-size:1.4rem;display:block;margin-bottom:8px}
.pt-card h3{font-size:1.05rem;margin-bottom:6px}.pt-card p{font-size:.9rem;color:var(--mu);margin:0}
/* coverage */
.chips{display:flex;flex-wrap:wrap;gap:10px;margin:0 0 20px;padding:0;list-style:none}
.chips li{border:1px solid var(--pri);color:var(--pri);padding:7px 16px;font-weight:600;font-size:.92rem;border-radius:2px;background:var(--card)}
/* faq */
.fsplit{display:grid;grid-template-columns:280px 1fr;gap:64px}
.faq-list{border-top:1px solid var(--bd)}
.faq-item{border-bottom:1px solid var(--bd)}
.faq-item summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;gap:16px;align-items:center;padding:20px 0}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary h3{font-size:1.02rem;font-weight:700;color:var(--tx)}
.faq-item summary::after{content:"+";font-size:1.5rem;color:var(--acc-d);line-height:1}
.faq-item[open] summary::after{content:"\2212"}
.faq-item p{padding:0 0 20px;color:var(--mu);margin:0;max-width:760px}
/* cta banner */
.cta-banner{position:relative;color:#fff;padding:96px 0;text-align:center;background:var(--pri) center/cover}
.cta-banner::before{content:"";position:absolute;inset:0;background:rgba(9,53,64,.82)}
.cta-banner .container{position:relative}
.cta-banner h2{color:#fff;font-size:clamp(1.5rem,3vw,2.1rem);margin-bottom:12px}
.cta-banner p{color:#e6eef0}
.cta-banner .btn-primary{background:#fff;color:var(--pri)}
/* article (case / nseo / consultation) */
.crumbs{font-size:.84rem;color:var(--mu);padding:20px 0 0}
.crumbs a:hover{text-decoration:underline}.crumbs span{margin:0 6px}
.article{max-width:820px;margin:0 auto;padding:32px 24px 72px}
.article h1{font-size:clamp(1.9rem,4vw,2.8rem);font-weight:800;margin-bottom:20px}
.article h2{font-size:1.5rem;margin:48px 0 14px}
.article h3{font-size:1.1rem;margin:24px 0 8px}
.answer{font-size:1.08rem;background:var(--alt);border-left:4px solid var(--acc-d);padding:18px 22px;margin-bottom:28px}
.info-tbl{margin-bottom:28px}
.article figure{margin:28px 0}
.article figure img{width:100%;border:1px solid var(--bd)}
.article figcaption{font-size:.85rem;color:var(--mu);margin-top:8px}
.summary-list{background:var(--card);border:1px solid var(--bd);padding:22px 28px 22px 44px}
.quote{border-left:4px solid var(--pri);padding:6px 0 6px 20px;margin:28px 0;font-size:1.05rem}
.quote cite{display:block;font-style:normal;font-size:.88rem;color:var(--mu);margin-top:8px}
.updated{font-size:.85rem;color:var(--mu);margin-top:40px}
.related{max-width:var(--ct);margin:0 auto;padding:0 24px 80px}
.related h2{font-size:1.5rem;margin-bottom:20px}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.rel-card{display:block;background:var(--card);border:1px solid var(--bd);transition:transform .3s,box-shadow .3s}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh)}
.rel-card img{width:100%;aspect-ratio:4/3;object-fit:cover}
.rel-card div{padding:16px 18px 20px}.rel-card h3{font-size:1.02rem;margin:0 0 6px}.rel-card p{font-size:.86rem;color:var(--mu);margin:0}
.steps{counter-reset:st;list-style:none;padding:0}
.steps li{counter-increment:st;position:relative;padding:0 0 18px 52px}
.steps li::before{content:counter(st);position:absolute;left:0;top:0;width:34px;height:34px;background:var(--pri);color:#fff;font-weight:700;text-align:center;line-height:34px}
/* footer & floating */
.site-footer{background:var(--pri-d);color:#cfdde1;padding:48px 0 96px;font-size:.88rem}
.ft-top{display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px;margin-bottom:20px}
.ft-brand{color:#fff;font-size:1.1rem}
.ft-nav{display:flex;flex-wrap:wrap;gap:6px 18px}.ft-nav a:hover{color:#fff;text-decoration:underline}
.ft-biz,.ft-copy{margin:0 0 6px}
.floating-cta{position:fixed;right:20px;bottom:20px;z-index:60;background:var(--acc-d);color:#fff;font-weight:700;padding:14px 22px;border-radius:2px;box-shadow:var(--sh)}
.floating-cta:hover{background:var(--pri)}
.notfound{text-align:center;padding:120px 24px}
@media(max-width:1024px){.case-grid,.pain-grid,.rel-grid{grid-template-columns:repeat(2,1fr)}.pt-grid{grid-template-columns:repeat(2,1fr)}.define,.fsplit{grid-template-columns:1fr;gap:32px}}
@media(max-width:720px){
:root{--sec:64px}
.container{padding:0 18px}
.nav-toggle{display:block}
.site-nav{display:none;position:absolute;top:64px;left:0;right:0;flex-direction:column;align-items:stretch;background:var(--bg);border-bottom:1px solid var(--bd);padding:10px 18px 18px}
.site-nav.open{display:flex}.site-nav .nav-cta{margin:8px 0 0;text-align:center}
.case-grid,.pain-grid,.rel-grid,.pt-grid{grid-template-columns:1fr}
.sv-card{grid-template-columns:1fr}.sv-card:nth-child(even) img{order:0}
.sv-body{padding:22px}
.floating-cta{left:18px;right:18px;text-align:center;bottom:14px}
.article{padding:24px 18px 56px}
}
/* ===== v2: 상세 페이지 섹션형 레이아웃 · 구분 · 인터랙션 ===== */
:focus-visible{outline:3px solid var(--acc);outline-offset:2px}
.site-header{box-shadow:0 1px 0 var(--bd),0 4px 14px rgba(14,74,90,.04)}
.container.narrow{max-width:920px}
.page-hero{background:var(--alt);border-bottom:1px solid var(--bd);padding:20px 0 56px}
.page-hero h1{font-size:clamp(1.9rem,4.2vw,2.9rem);font-weight:800;margin-bottom:20px}
.page-hero .answer{background:var(--card);margin-bottom:24px}
.page-hero .facts{margin:0 0 4px}
.page-hero .facts th{width:120px}
.page-hero .btn-row{margin-top:0}
.sec{padding:72px 0;border-top:1px solid var(--bd)}
.sec.alt{background:var(--alt)}
.sec h2,.section-h2{position:relative;padding-bottom:16px;margin:0 0 24px;font-size:clamp(1.45rem,2.6vw,1.9rem);font-weight:800}
.sec h2::after,.section-h2::after{content:"";position:absolute;left:0;bottom:0;width:48px;height:3px;background:var(--acc)}
.sec>.container>h2:not(:first-child){margin-top:56px}
.sec>.container>h3{font-size:1.1rem;margin:32px 0 10px;padding-left:12px;border-left:3px solid var(--acc)}
.sec>.container>p:last-child,.sec>.container>ul:last-child{margin-bottom:0}
.sec figure{margin:28px 0;position:relative}
.sec figure img{width:100%;border:1px solid var(--bd);background:var(--card)}
.sec figcaption{font-size:.85rem;color:var(--mu);margin-top:8px}
.tag{position:absolute;top:12px;left:12px;z-index:2;font-size:.75rem;font-weight:700;letter-spacing:.06em;color:#fff;background:rgba(27,42,48,.78);padding:5px 12px}
.ph-mid .tag{background:rgba(255,255,255,.94);color:var(--pri);border:1px solid var(--bd)}
.ba-pair{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:8px 0 24px}
.ba-pair figure{margin:0;background:var(--card);border:1px solid var(--bd);border-top:4px solid #8a9296}
.ba-pair .is-after{border-top-color:var(--acc-d)}
.ba-pair img{aspect-ratio:4/3;object-fit:cover;border:0}
.ba-pair .is-after .tag{background:var(--acc-d)}
.ba-pair figcaption{margin:0;padding:12px 16px;font-weight:700;color:var(--pri);text-align:center}
.rel-grid.one{grid-template-columns:minmax(0,440px)}
.related h2{margin-bottom:28px}
.rel-card{overflow:hidden}
.rel-card img{transition:transform .5s}
.rel-card:hover img{transform:scale(1.04)}
.rel-card h3{border:0;padding:0}
.sv-more::after{content:" \2192"}
.faq-item summary h3{border:0;padding:0;margin:0}
.faq-item summary:hover h3{color:var(--acc-d)}
.summary-list li{margin-bottom:6px}
.quote{background:var(--card);padding:20px 24px;border:1px solid var(--bd);border-left:4px solid var(--acc-d)}
@media(max-width:720px){
.sec{padding:48px 0}
.page-hero{padding:12px 0 40px}
.ba-pair{grid-template-columns:1fr}
.page-hero .facts th{width:88px;white-space:normal}
.tbl-wrap{position:relative}
}
.section{border-top:1px solid var(--bd)}.intro+.cases{border-top:0}
.case-grid.cg-fit{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}.case-grid.cg-fit .case-card.is-hidden{display:none}.sec .eyebrow{display:block}