/* 난방온도조절기교체 — 정밀 제어 톤: 짙은 잉크 네이비 + 따뜻한 종이색 + 구리색 포인트 */
:root{
  --ink:#1b2233; --ink2:#2c3550; --paper:#fbfaf7; --tint:#f3efe8; --line:#e2dccf; --mute:#6b6f7a; --soft:#8a8576;
  --accent:#c8642a; --accent-d:#a24d1c; --white:#fff; --r:6px;
  --font:'Pretendard Variable','Pretendard','Apple SD Gothic Neo','Noto Sans KR','Malgun Gothic',sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:76px}
body{margin:0;font-family:var(--font);font-size:16px;line-height:1.7;color:var(--ink);background:var(--paper);word-break:keep-all;overflow-wrap:break-word;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%;height:auto}
a{color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,p,figure,dl,dd{margin:0}
h1,h2,h3{line-height:1.28;letter-spacing:-.02em}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.wrap.narrow{max-width:860px}
.skip{position:absolute;left:-999px;top:0;background:#fff;padding:10px 14px;z-index:99}
.skip:focus{left:8px;top:8px}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 28px;border-radius:999px;font-weight:700;font-size:16px;text-decoration:none;border:1px solid transparent;transition:background .2s,color .2s,transform .2s;cursor:pointer;line-height:1}
.btn-sm{min-height:42px;padding:0 20px;font-size:14px}
.btn-white{background:#fff;color:var(--ink)}.btn-white:hover{background:var(--tint)}
.btn-dark{background:var(--ink);color:#fff}.btn-dark:hover{background:var(--ink2)}
.btn-accent{background:var(--accent);color:#fff}.btn-accent:hover{background:var(--accent-d)}
.btn-light{background:#fff;color:var(--ink)}.btn-light:hover{background:var(--tint)}
.btn-ghost{border-color:rgba(255,255,255,.6);color:#fff}.btn-ghost:hover{background:rgba(255,255,255,.12)}
.btn-line{border-color:var(--ink);color:var(--ink)}
.btn-row{display:flex;flex-wrap:wrap;gap:12px}
.more{display:inline-flex;gap:6px;font-size:14px;font-weight:700;color:var(--accent-d);text-decoration:none}
.more-lg{font-size:16px;margin-top:24px}
a:focus-visible,button:focus-visible{outline:3px solid var(--accent);outline-offset:3px}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(251,250,247,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.hd{display:flex;align-items:center;gap:32px;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;letter-spacing:-.03em;text-decoration:none;white-space:nowrap}
.brand-mark{width:20px;height:20px;border:2.5px solid var(--ink);border-radius:50%;position:relative;flex:none}
.brand-mark::after{content:"";position:absolute;left:50%;top:50%;width:6px;height:2.5px;background:var(--accent);border-radius:2px;transform-origin:left center;transform:translateY(-50%) rotate(-40deg)}
.gnav{display:flex;gap:30px;margin-left:auto;font-size:14.5px;font-weight:600}
.gnav a{text-decoration:none;color:var(--ink2);padding:6px 0;border-bottom:2px solid transparent}
.gnav a:hover{border-color:var(--accent)}
.menu-btn{display:none;width:44px;height:44px;margin-left:auto;background:none;border:0;padding:0;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:5px}
.menu-btn span{display:block;width:22px;height:2px;background:var(--ink);transition:transform .2s,opacity .2s}
.nav-open .menu-btn span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-open .menu-btn span:nth-child(2){opacity:0}
.nav-open .menu-btn span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* hero */
.hero{position:relative;display:flex;flex-direction:column;min-height:640px;background:#1d2231;color:#fff;overflow:hidden}
.hero-media{position:absolute;inset:0 0 0 auto;width:54%}
.hero-media::after{content:"";position:absolute;inset:auto 0 0;height:38%;background:linear-gradient(0deg,rgba(29,34,49,.95),transparent);pointer-events:none}
.hero-media img{width:100%;height:100%;object-fit:cover;object-position:50% 30%;-webkit-mask-image:linear-gradient(90deg,transparent 0,#000 38%);mask-image:linear-gradient(90deg,transparent 0,#000 38%)}
.hero-in{position:relative;flex:1;display:flex;align-items:center;padding-top:72px;padding-bottom:72px}
.hero-copy{max-width:720px}
.eyebrow{font-size:12px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--soft);margin-bottom:10px}
.eyebrow-w{color:#e7b48f}
.hero h1,.page-hero h1{font-weight:800;letter-spacing:-.04em;word-break:keep-all}
.hero h1{font-size:clamp(34px,8.6vw,76px);margin-bottom:22px;white-space:nowrap}
.hero-lead{font-size:clamp(16px,2.2vw,20px);line-height:1.65;color:rgba(255,255,255,.88);max-width:520px;margin-bottom:32px}
.hero-lead.dark{color:var(--mute);margin-bottom:0}
.hero-feats{position:relative;display:grid;grid-template-columns:repeat(3,1fr);gap:24px;padding-top:26px;padding-bottom:30px;border-top:1px solid rgba(255,255,255,.16)}
.hero-feats li{display:flex;align-items:center;gap:14px}
.hero-feats svg{width:44px;height:44px;flex:none;padding:10px;border:1px solid rgba(255,255,255,.4);border-radius:50%;fill:none;stroke:#fff;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.hero-feats strong{display:block;font-size:15px}
.hero-feats span{font-size:13px;color:rgba(255,255,255,.7)}

/* sections */
.sec{padding:76px 0}
.sec-slim{padding:56px 0}
.blk+.blk{margin-top:64px;padding-top:56px;border-top:1px solid var(--line)}
.blk-dark{background:var(--ink);color:#fff;border:0!important;border-radius:var(--r);padding:44px 40px!important}
.blk-dark .sec-sub{color:rgba(255,255,255,.7)}.blk-dark .eyebrow{color:#e7b48f}
.narrow-blk{max-width:860px;margin-left:auto;margin-right:auto}
.sec-head{margin-bottom:32px}
.sec-plain{background:var(--paper)}
.sec-tint{background:var(--tint)}
.sec-info{background:#fff}
.sec-dark{background:var(--ink);color:#fff}
.sec-head h2,.prose h2{font-size:clamp(25px,3.4vw,40px);font-weight:800}
.sec-sub{margin-top:12px;color:var(--mute);font-size:16px;max-width:640px}
.sec-dark .sec-sub{color:rgba(255,255,255,.7)}
.sec-dark .eyebrow{color:#e7b48f}
.lead-p{font-size:17px;line-height:1.85;color:var(--ink2);max-width:860px}
.answer{background:#fff;border:1px solid var(--line);border-left:4px solid var(--accent);padding:26px 28px;margin-bottom:24px;font-size:17px;line-height:1.8;border-radius:0 var(--r) var(--r) 0}
.sec-info .answer{background:var(--paper)}
.note-box{margin-top:32px;padding:18px 22px;background:#fff;border:1px dashed var(--soft);border-radius:var(--r);font-size:15px;color:var(--ink2)}
.sec-tint .note-box{background:var(--paper)}
.note-box a,.plain-list a,.lead-p a{color:var(--accent-d);font-weight:700}

/* symptom cards */
.sym-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}
.sym-card{display:flex;flex-direction:column;height:100%;background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;text-decoration:none;transition:transform .2s,box-shadow .2s}
.sym-card:hover{transform:translateY(-3px);box-shadow:0 10px 24px rgba(27,34,51,.08)}
.sym-img img,.svc-img img,.hub-img img,.photo-grid img,.space-grid img{width:100%;aspect-ratio:1/1;object-fit:cover}
.sym-body{padding:14px 14px 18px}
.sym-body h3{font-size:15px;font-weight:700;margin-bottom:6px;text-align:center}
.sym-body p{font-size:12.5px;line-height:1.55;color:var(--mute)}

/* service cards */
.svc-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.svc-card{display:flex;flex-direction:column;height:100%;background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;text-decoration:none;transition:transform .2s,box-shadow .2s}
.svc-card:hover{transform:translateY(-3px);box-shadow:0 10px 24px rgba(27,34,51,.08)}
.svc-img img{aspect-ratio:4/3}
.svc-body{display:flex;flex-direction:column;flex:1;padding:16px 16px 18px}
.svc-no{font-size:13px;font-weight:800;color:var(--accent);letter-spacing:.08em;padding-bottom:10px;margin-bottom:12px;border-bottom:1px solid var(--line)}
.svc-body h3{font-size:17px;font-weight:800;margin-bottom:8px}
.svc-body p{font-size:13.5px;line-height:1.6;color:var(--mute);margin-bottom:14px}
.svc-body .more{margin-top:auto}

/* photos */
.photo-grid{display:grid;gap:16px;grid-template-columns:repeat(4,1fr)}
.photo-grid.n2{grid-template-columns:repeat(2,1fr);max-width:620px}
.photo-grid figure{background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.photo-grid figcaption{padding:12px 10px;font-size:14px;font-weight:600;text-align:center;color:var(--ink2)}

/* problem finder */
.prob-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
.prob-grid a{display:flex;align-items:center;justify-content:space-between;gap:10px;min-height:68px;padding:12px 16px;background:#fff;border:1px solid var(--line);border-radius:var(--r);text-decoration:none;font-weight:700;font-size:14.5px;line-height:1.4;transition:border-color .2s}
.prob-grid a:hover{border-color:var(--accent)}
.prob-grid i{font-style:normal;font-size:22px;color:var(--accent)}

/* spaces */
.space-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:12px}
.space-grid figure{position:relative;border-radius:var(--r);overflow:hidden}
.space-grid figcaption{position:absolute;inset:auto 0 0;padding:34px 10px 10px;background:linear-gradient(transparent,rgba(20,26,40,.88));color:#fff;text-align:center}
.space-grid strong{display:block;font-size:14px;line-height:1.35}
.space-grid span{font-size:11.5px;opacity:.82}

/* regions */
.region-in{display:grid;grid-template-columns:320px 1fr;gap:48px;align-items:start}
.region-head h2{font-size:clamp(25px,3.4vw,40px);font-weight:800}
.region-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.region-grid a{display:flex;align-items:center;gap:8px;min-height:52px;padding:10px 14px;background:#fff;border:1px solid var(--line);border-radius:999px;text-decoration:none;font-size:14px;font-weight:600;transition:border-color .2s}
.region-grid a:hover{border-color:var(--accent)}
.region-grid.compact{grid-template-columns:repeat(4,1fr)}
.pin{width:9px;height:9px;border-radius:50%;background:var(--accent);flex:none}

/* info */
.factor-grid,.sign-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin:36px 0}
.factor-grid li,.sign-grid li{padding:20px 4px 4px;border-top:2px solid var(--ink)}
.no{display:block;font-size:13px;font-weight:800;color:var(--accent);letter-spacing:.08em;margin-bottom:8px}
.factor-grid h3,.sign-grid h3{font-size:18px;font-weight:800;margin-bottom:8px}
.factor-grid p,.sign-grid p{font-size:14.5px;color:var(--mute);line-height:1.65}
.callout{background:#fbeee3;border:1px solid #efcdb3;border-radius:var(--r);padding:26px 28px;margin-bottom:36px}
.callout h3{font-size:19px;margin-bottom:8px}
.callout p{color:var(--ink2)}
.concepts{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.concepts h3{font-size:17px;margin-bottom:8px}
.concepts p{font-size:15px;color:var(--mute);line-height:1.75}

/* flow */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:f}
.flow li{position:relative;display:flex;flex-direction:column;gap:6px;padding:20px 18px;background:#fff;border:1px solid var(--line);border-radius:var(--r)}
.flow li:not(:nth-child(4n))::after{content:"→";position:absolute;right:-17px;top:50%;transform:translateY(-50%);color:var(--accent);font-weight:800;z-index:2}
.flow .fn{display:grid;place-items:center;width:30px;height:30px;border-radius:50%;background:var(--ink);color:#fff;font-size:13px;font-weight:700;margin-bottom:6px}
.flow strong{font-size:16px}
.flow li>span:last-child{font-size:13.5px;color:var(--mute)}
.flow li:last-child{background:var(--ink);color:#fff;border-color:var(--ink)}
.flow li:last-child .fn{background:var(--accent)}
.flow li:last-child>span:last-child{color:rgba(255,255,255,.75)}

/* table */
.rtable table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line)}
.rtable th,.rtable td{padding:16px 18px;text-align:left;border-bottom:1px solid var(--line);font-size:15px}
.rtable thead th{background:var(--ink);color:#fff;font-size:14px;font-weight:700}
.rtable tbody th{font-weight:800;background:#faf7f1;width:28%}

/* process */
.proc{display:grid;grid-template-columns:repeat(3,1fr);gap:0 40px}
.proc li{padding:28px 0;border-top:1px solid rgba(255,255,255,.22)}
.pn{display:block;font-size:46px;font-weight:200;line-height:1;color:#e7b48f;letter-spacing:-.04em;margin-bottom:14px}
.proc h3{font-size:19px;margin-bottom:8px}
.proc p{font-size:14.5px;color:rgba(255,255,255,.72)}

/* checklist */
.check-wrap{display:grid;grid-template-columns:360px 1fr;gap:48px;align-items:start}
.checks{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.checks.one{grid-template-columns:1fr}
.checks li{position:relative;padding:15px 16px 15px 52px;background:#fff;border:1px solid var(--line);border-radius:var(--r);font-weight:600;font-size:15px}
.checks li::before{content:"";position:absolute;left:18px;top:50%;width:20px;height:20px;margin-top:-10px;border:1.5px solid var(--ink);border-radius:4px}
.checks li::after{content:"";position:absolute;left:24px;top:50%;width:6px;height:11px;margin-top:-8px;border:solid var(--accent);border-width:0 2.5px 2.5px 0;transform:rotate(45deg)}

/* company / related / faq */
.chain{display:flex;flex-wrap:wrap;gap:10px 8px;margin-top:28px}
.chain li{position:relative;padding:10px 18px;background:#fff;border:1px solid var(--line);border-radius:999px;font-weight:700;font-size:14px}
.chain li:not(:last-child)::after{content:"›";position:absolute;right:-12px;top:50%;transform:translateY(-52%);color:var(--accent);font-size:18px}
.chain li{margin-right:14px}
.rel-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.rel-cat h3{font-size:14px;font-weight:800;letter-spacing:.04em;color:var(--accent-d);padding-bottom:10px;margin-bottom:12px;border-bottom:2px solid var(--ink)}
.rel-cat li a{display:block;padding:12px 14px;margin-bottom:8px;background:#fff;border:1px solid var(--line);border-radius:var(--r);text-decoration:none}
.rel-cat li a:hover{border-color:var(--accent)}
.rel-cat li strong{display:block;font-size:15px}
.rel-cat li span{font-size:12.5px;color:var(--mute)}
.rel-cat summary{cursor:pointer;font-size:13px;font-weight:700;color:var(--mute);padding:8px 2px;min-height:40px}
.faq-item{padding:26px 0;border-bottom:1px solid var(--line)}
.faq-item:first-child{border-top:2px solid var(--ink)}
.faq-item h3{font-size:19px;font-weight:800;margin-bottom:10px}
.faq-item p{color:var(--ink2);line-height:1.85}
.cta-band{background:var(--ink);color:#fff;padding:60px 0}
.cta-band .wrap{display:flex;align-items:center;justify-content:space-between;gap:28px}
.cta-band h2{font-size:clamp(22px,3vw,32px);margin-bottom:8px}
.cta-band p{color:rgba(255,255,255,.75)}

/* sub pages */
.page-hero{position:relative;background:#1d2231;color:#fff;overflow:hidden;min-height:440px;display:flex;align-items:center}
.page-hero-media{position:absolute;inset:0 0 0 auto;width:46%}
.page-hero-media img{width:100%;height:100%;object-fit:cover;-webkit-mask-image:linear-gradient(90deg,transparent 0,#000 40%);mask-image:linear-gradient(90deg,transparent 0,#000 40%)}
.page-hero-in{position:relative;padding-top:56px;padding-bottom:56px}
.page-hero h1{font-size:clamp(32px,5.4vw,56px);margin-bottom:18px;max-width:640px}
.page-hero .hero-lead{max-width:600px;font-size:clamp(15px,1.8vw,18px)}
.page-hero--plain{background:var(--tint);color:var(--ink);min-height:0}
.page-hero--plain .wrap{padding-top:56px;padding-bottom:56px}
.page-hero--plain h1{margin-bottom:14px}
.crumbs{margin-bottom:26px;font-size:13px}
.crumbs ol{display:flex;flex-wrap:wrap;gap:4px 8px}
.crumbs li+li::before{content:"/";margin-right:8px;opacity:.5}
.crumbs a{opacity:.75;text-decoration:none}
.crumbs a:hover{text-decoration:underline}
.page-hero--plain .crumbs{color:var(--mute)}
.prose{font-size:16.5px;line-height:1.9;color:var(--ink2)}
.prose h2{color:var(--ink);margin-bottom:18px}
.prose p+p,.prose ul,.prose ol{margin-top:16px}
.prose ul:not(.checks){list-style:disc;padding-left:22px}
.prose ul:not(.checks) li,.prose ol li{margin-bottom:8px}
.prose ol{list-style:decimal;padding-left:22px}
.prose .checks{margin-top:20px}
.prose .checks li{margin:0}
.steps-list{list-style:decimal}
.plain-list li{padding:14px 0;border-bottom:1px solid var(--line)}
.hub-list{display:grid;gap:14px}
.hub-list a{display:grid;grid-template-columns:auto 120px 1fr auto;align-items:center;gap:20px;padding:14px 22px 14px 14px;background:#fff;border:1px solid var(--line);border-radius:var(--r);text-decoration:none;transition:border-color .2s}
.hub-list a:hover{border-color:var(--accent)}
.hub-list li:not(:has(.hub-no)) a{grid-template-columns:120px 1fr auto}
.hub-no{font-size:15px;font-weight:800;color:var(--accent);padding-left:8px}
.hub-img img{border-radius:4px}
.hub-body h2{font-size:21px;font-weight:800;margin-bottom:4px}
.hub-body p{font-size:14.5px;color:var(--mute)}
.hub-list .more{font-size:22px}
.rel-svc{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.rel-svc a{display:flex;gap:16px;align-items:center;padding:14px;background:#fff;border:1px solid var(--line);border-radius:var(--r);text-decoration:none}
.rel-svc a:hover{border-color:var(--accent)}
.rel-svc .svc-img{width:84px;flex:none}
.rel-svc .svc-img img{aspect-ratio:1/1;border-radius:4px}
.rel-svc strong{display:block;font-size:16px;margin-bottom:4px}
.rel-svc em{font-style:normal;font-size:13px;color:var(--mute);line-height:1.5;display:block}
.profile{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:28px}
.profile div{padding:16px 18px;background:#fff;border:1px solid var(--line);border-radius:var(--r)}
.sec-plain .profile div{background:var(--tint)}
.profile dt{font-size:12px;font-weight:800;letter-spacing:.08em;color:var(--accent-d);margin-bottom:4px}
.profile dd{font-weight:600}
.profile a{color:var(--accent-d);font-weight:800}

/* footer */
.site-footer{background:#141a28;color:rgba(255,255,255,.72);font-size:14px}
.ft{display:grid;grid-template-columns:1.6fr 1.2fr 1.2fr 1fr;gap:36px;padding-top:56px;padding-bottom:44px}
.ft-brand{font-size:20px;font-weight:800;color:#fff;margin-bottom:10px}
.ft-info{margin-top:14px;display:grid;gap:4px;font-size:13px;line-height:1.6}
.ft-info a{color:#fff}
.ft-label{font-size:12px;font-weight:800;letter-spacing:.1em;color:#e7b48f;margin-bottom:12px}
.ft-col a{display:block;padding:5px 0;text-decoration:none;color:rgba(255,255,255,.78)}
.ft-col a:hover{color:#fff;text-decoration:underline}
.ft-bottom{border-top:1px solid rgba(255,255,255,.1);padding:18px 0;font-size:12.5px}
.m-cta{display:none}
/* 푸터: PC·모바일 동일한 압축형 */
.ft{display:flex;flex-wrap:wrap;gap:6px 24px;padding-top:32px;padding-bottom:20px}
.ft-biz{flex-basis:100%;margin-bottom:6px}
.ft-brand{font-size:18px;margin-bottom:6px}
.ft-biz>p:not(.ft-brand){display:none}
.ft-info{margin-top:0;display:flex;flex-wrap:wrap;gap:2px 16px;font-size:13px;line-height:1.6}
.ft-col{display:contents}
.ft-label{display:none}
.ft-col a{padding:8px 0;font-size:14px}
.ft-col a:not(:last-child){display:none}
.ft-col:last-child a{display:block}
.ft-bottom{padding:12px 0}

/* ---------- tablet ---------- */
@media (max-width:1100px){
  .sym-grid{grid-template-columns:repeat(3,1fr)}
  .svc-grid{grid-template-columns:repeat(3,1fr)}
  .prob-grid{grid-template-columns:repeat(2,1fr)}
  .space-grid{grid-template-columns:repeat(3,1fr)}
  .region-in{grid-template-columns:1fr;gap:28px}
  .factor-grid,.sign-grid{grid-template-columns:repeat(2,1fr)}
  .rel-grid{grid-template-columns:repeat(2,1fr)}
  .flow{grid-template-columns:repeat(2,1fr)}
  .flow li:not(:nth-child(4n))::after{content:none}
  .flow li:nth-child(odd)::after{content:"→";right:-17px}
  .check-wrap{grid-template-columns:1fr;gap:28px}
  .gnav{gap:20px}
}
/* ---------- mobile ---------- */
@media (max-width:820px){
  body{font-size:15.5px;padding-bottom:76px}
  .wrap{padding:0 20px}
  .hd{height:56px;gap:0}
  .hd-cta{display:none}
  .menu-btn{display:flex}
  .gnav{position:absolute;left:0;right:0;top:56px;flex-direction:column;gap:0;margin:0;background:var(--paper);border-bottom:1px solid var(--line);padding:6px 20px 14px;display:none;box-shadow:0 14px 24px rgba(27,34,51,.08)}
  .nav-open .gnav{display:flex}
  .gnav a{padding:14px 0;border-bottom:1px solid var(--line);font-size:16px}
  .hero{min-height:0}
  .hero-media{position:relative;inset:auto;width:100%;height:min(100vw,420px)}
  .hero-media::after{display:none}
  .hero-media img{-webkit-mask-image:linear-gradient(180deg,#000 55%,transparent);mask-image:linear-gradient(180deg,#000 55%,transparent);object-position:50% 38%}
  .hero-in{padding-top:6px;padding-bottom:36px;display:block;margin-top:-26px}
  .hero h1{margin-bottom:14px}
  .hero-lead{margin-bottom:24px}
  .hero .btn{width:100%}
  .hero-feats{grid-template-columns:repeat(3,1fr);gap:8px;padding-top:20px;padding-bottom:22px}
  .hero-feats li{flex-direction:column;text-align:center;gap:8px}
  .hero-feats strong{font-size:12.5px}
  .hero-feats span{display:block;font-size:11px;line-height:1.35}
  .sec{padding:44px 0}
  .sec-slim{padding:40px 0}
  .blk+.blk{margin-top:40px;padding-top:36px}
  .blk-dark{padding:28px 20px!important;margin-left:-20px;margin-right:-20px;border-radius:0}
  .proc li{padding:16px 0}
  .sec-head{margin-bottom:26px}
  .sec-sub{font-size:14.5px}
  .sym-grid{grid-template-columns:repeat(2,1fr);gap:10px}
  .sym-body{padding:10px 10px 14px}
  .sym-body h3{font-size:14px}
  .sym-body p{font-size:12px}
  .svc-grid{grid-template-columns:1fr;gap:10px}
  .svc-card{flex-direction:row;align-items:stretch}
  .svc-img{width:104px;flex:none}
  .svc-img img{height:100%;aspect-ratio:1/1}
  .svc-body{padding:12px 14px}
  .svc-no{padding-bottom:6px;margin-bottom:6px;font-size:12px}
  .svc-body h3{font-size:16px;margin-bottom:4px}
  .svc-body p{font-size:12.5px;margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
  .photo-grid{grid-template-columns:repeat(2,1fr);gap:10px}
  .photo-grid figcaption{font-size:13px;padding:10px 6px}
  .prob-grid{grid-template-columns:1fr 1fr;gap:8px}
  .prob-grid a{min-height:58px;padding:8px 12px;font-size:13.5px}
  .prob-grid i{font-size:18px}
  .space-grid{grid-template-columns:repeat(2,1fr);gap:10px}
  .region-grid,.region-grid.compact{grid-template-columns:repeat(2,1fr)}
  .answer{padding:18px 18px;font-size:15.5px}
  .factor-grid{grid-template-columns:1fr;gap:2px;margin:22px 0}
  .sign-grid{grid-template-columns:1fr 1fr;gap:6px 16px;margin:22px 0}
  .factor-grid li{padding:14px 0 10px}
  .sign-grid li{padding:12px 0 8px}
  .sign-grid h3{font-size:15px}
  .sign-grid p{font-size:12.5px}
  .concepts{grid-template-columns:1fr;gap:22px}
  .flow{grid-template-columns:1fr;gap:0;padding-left:16px;border-left:2px solid var(--line);margin-left:14px}
  .flow li,.flow li:not(:nth-child(4n))::after,.flow li:nth-child(odd)::after{content:none}
  .flow li{margin:0 0 8px 18px;padding:12px 14px}
  .flow .fn{position:absolute;left:-49px;top:14px;margin:0;box-shadow:0 0 0 5px var(--tint)}
  .proc{grid-template-columns:1fr;gap:0}
  .proc li{display:grid;grid-template-columns:64px 1fr;column-gap:8px;padding:20px 0}
  .pn{grid-row:span 2;font-size:36px}
  .checks{grid-template-columns:1fr 1fr;gap:8px}
  .checks.one{grid-template-columns:1fr}
  .checks li{padding:12px 10px 12px 40px;font-size:13px}
  .checks li::before{left:12px}.checks li::after{left:18px}
  .chain{display:grid;grid-template-columns:1fr 1fr;gap:8px}
  .chain li{margin:0;text-align:center}
  .chain li::after{content:none!important}
  .rel-grid{grid-template-columns:1fr;gap:20px}
  .faq-item{padding:20px 0}
  .faq-item h3{font-size:17px}
  .cta-band{padding:44px 0}
  .cta-band .wrap{flex-direction:column;align-items:stretch;text-align:left}
  .cta-band .btn{width:100%}
  /* sub hero: photo on top */
  .page-hero{display:block;min-height:0}
  .page-hero-media{position:relative;inset:auto;width:100%;height:min(66vw,300px)}
  .page-hero-media img{-webkit-mask-image:linear-gradient(180deg,#000 55%,transparent);mask-image:linear-gradient(180deg,#000 55%,transparent)}
  .page-hero-in{padding-top:0;margin-top:-26px;padding-bottom:36px}
  .page-hero--plain .wrap{padding-top:36px;padding-bottom:36px}
  .page-hero .btn-white,.btn-row .btn{width:100%}
  .crumbs{margin-bottom:14px}
  .hub-list a,.hub-list li:not(:has(.hub-no)) a{grid-template-columns:auto 84px 1fr;gap:12px;padding:10px 14px 10px 10px}
  .hub-list li:not(:has(.hub-no)) a{grid-template-columns:84px 1fr}
  .hub-list .more{display:none}
  .hub-no{padding-left:4px;font-size:13px}
  .hub-body h2{font-size:17px}
  .hub-body p{font-size:13px}
  .rel-svc{grid-template-columns:1fr}
  .profile{grid-template-columns:1fr}
  .prose{font-size:15.5px;line-height:1.85}
  /* table → cards */
  .rtable table,.rtable tbody,.rtable tr,.rtable th,.rtable td{display:block;width:100%}
  .rtable table{border:0;background:none}
  .rtable thead{position:absolute;left:-9999px}
  .rtable tr{margin-bottom:12px;background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
  .rtable tbody th{width:100%;background:var(--ink);color:#fff;padding:12px 16px}
  .rtable td{display:flex;gap:12px;padding:11px 16px;font-size:14.5px}
  .rtable td::before{content:attr(data-label);flex:none;width:76px;font-size:12.5px;font-weight:700;color:var(--accent-d)}
  .ft{display:flex;flex-wrap:wrap;gap:6px 18px;padding-top:28px;padding-bottom:18px}
  .ft-biz{flex-basis:100%;margin-bottom:6px}
  .ft-brand{font-size:18px;margin-bottom:6px}
  .ft-biz>p:not(.ft-brand){display:none}
  .ft-info{margin-top:0;display:flex;flex-wrap:wrap;gap:2px 12px;font-size:12.5px;line-height:1.55}
  .ft-info li:nth-child(4){flex-basis:100%}
  .ft-col{display:contents}
  .ft-label{display:none}
  .ft-col a{padding:8px 0;font-size:13.5px}
  .ft-col a:not(:last-child){display:none}
  .ft-col:last-child a{display:block}
  .ft-bottom{padding:12px 0}
  .m-cta{display:block;position:fixed;left:0;right:0;bottom:0;z-index:60;padding:10px 16px calc(10px + env(safe-area-inset-bottom));background:rgba(251,250,247,.96);border-top:1px solid var(--line);backdrop-filter:blur(8px)}
  .m-cta .btn{width:100%;min-height:50px}
}
@media (max-width:380px){
  .hero h1{font-size:33px}
  .sym-body p{display:none}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}

/* 메인 간소화 */
.blk-title{font-size:20px;font-weight:800;margin-bottom:18px}
.blk-h2{font-size:clamp(25px,3.4vw,36px);font-weight:800;margin-bottom:22px}
.steps6{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}
.steps6 li{padding-top:16px;border-top:2px solid var(--ink)}
.steps6 h3{font-size:16px;font-weight:800;margin-bottom:4px}
.steps6 p{font-size:13px;color:var(--mute);line-height:1.55}
.flow li{padding:16px 16px 14px}
.more-row{margin-top:18px}
.more-row .more{font-size:15px}
.company-line{margin-top:22px;padding-top:18px;border-top:1px solid var(--line);font-size:14.5px;color:var(--mute)}
.company-line a{color:var(--accent-d);font-weight:700}
@media (max-width:1100px){.steps6{grid-template-columns:repeat(3,1fr)}}
@media (max-width:820px){
  .sec-info .sec-head{margin-bottom:18px}
  .flow{grid-template-columns:1fr 1fr;gap:8px;padding:0;border:0;margin:0}
  .flow li{margin:0;padding:12px;flex-direction:row;align-items:center;gap:10px}
  .flow .fn{position:static;margin:0;box-shadow:none;flex:none;width:26px;height:26px;font-size:12px}
  .flow strong{font-size:13.5px;line-height:1.3}
  .flow li:not(:nth-child(4n))::after,.flow li:nth-child(odd)::after{content:none}
  .steps6{grid-template-columns:1fr 1fr;gap:12px}
  .steps6 p{display:none}
  .steps6 h3{font-size:14.5px}
  .sym-body p{display:none}
  .sym-body{padding:10px 8px 12px}
  .sym-body h3{font-size:13.5px;margin:0}
  .blk-title{font-size:17px;margin-bottom:12px}
}

/* 교체 전·후 */
.ba-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.ba-grid.n1{grid-template-columns:minmax(0,640px)}
.ba{background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.ba-pair{display:grid;grid-template-columns:1fr 1fr;gap:2px;background:var(--line)}
.ba-pair>div{position:relative;background:#fff}
.ba-pair img{width:100%;aspect-ratio:1/1;object-fit:cover}
.ba-tag{position:absolute;left:10px;top:10px;z-index:1;padding:4px 10px;border-radius:999px;background:rgba(27,34,51,.88);color:#fff;font-size:12px;font-weight:700;line-height:1.3}
.ba-tag.after{background:var(--accent)}
.ba figcaption{padding:12px 14px;font-size:14px;font-weight:600;text-align:center;color:var(--ink2)}
@media (max-width:820px){.ba-grid,.ba-grid.n1{grid-template-columns:1fr;gap:14px}.ba-tag{left:6px;top:6px;font-size:11px;padding:3px 8px}}