/* 보일러분배기교체비용 — 공통 스타일(모바일 우선). 상세페이지는 inc/detail.php 가 이 규칙을 그대로 쓴다. */
:root{--ch:#1d2124;--ch2:#2a3034;--ch3:#3a4247;--cu:#a4561a;--cu-d:#85430f;--cu-l:#e0a56a;--warm:#f6f3ee;--warm2:#ece6dc;--line:#dfd8cc;--tx:#23272a;--mut:#555c61;--w:1200px}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:auto}
body{margin:0;font-family:"Noto Sans KR","Apple SD Gothic Neo","Malgun Gothic","Nanum Gothic",sans-serif;font-size:17px;line-height:1.75;color:var(--tx);background:#fff;word-break:keep-all;overflow-wrap:anywhere;padding-bottom:calc(84px + env(safe-area-inset-bottom))}
img{max-width:100%;height:auto;display:block}
a{color:var(--cu-d)}
h1,h2,h3{line-height:1.35;margin:0 0 .6em;color:var(--ch);font-weight:700;letter-spacing:-.01em}
h1{font-size:30px}h2{font-size:25px}h3{font-size:19px}
p{margin:0 0 1em}
ul,ol{margin:0 0 1em;padding-left:1.25em}
li{margin-bottom:.35em}
:focus-visible{outline:3px solid #f0a14f;outline-offset:3px;border-radius:3px}
.skip{position:absolute;left:-999px;top:0;background:#fff;color:#000;padding:12px 16px;z-index:100}
.skip:focus{left:8px;top:8px}
.wrap{max-width:var(--w);margin:0 auto;padding:0 20px}
/* header */
.site-head{background:var(--ch);color:#fff}
.site-head .wrap{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:60px}
.logo{color:#fff;text-decoration:none;font-weight:700;font-size:18px;min-height:44px;display:inline-flex;align-items:center;gap:8px}
.logo i{width:12px;height:12px;border-radius:50%;background:var(--cu-l);display:inline-block}
.nav{display:flex;gap:2px}
.nav a{color:#e9e4dc;text-decoration:none;min-height:44px;display:inline-flex;align-items:center;padding:0 12px;font-size:16px;border-radius:6px}
.nav a[aria-current="page"]{color:#fff;background:var(--ch3)}
.nav a:hover{background:var(--ch2)}
/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:50px;padding:0 28px;border-radius:8px;font-weight:700;font-size:17px;text-decoration:none;border:2px solid transparent;cursor:pointer}
.btn-cu{background:var(--cu);color:#fff}
.btn-cu:hover{background:var(--cu-d)}
.btn-line{background:#fff;color:var(--ch);border-color:var(--ch)}
.btn-line:hover{background:var(--warm)}
.btn-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:18px}
/* hero */
.hero{background:var(--ch);color:#ece7df}
.hero .wrap{padding:0}
.hero-photo{position:relative;background:#000}
.hero-photo img{width:100%;aspect-ratio:1/1;object-fit:cover}
.hero-txt{padding:28px 20px 38px}
.hero h1{color:#fff;font-size:34px;margin-bottom:.5em}
.hero .kick{color:var(--cu-l);font-weight:700;font-size:15px;margin:0 0 10px}
.hero p{font-size:17px}
.hero .note{font-size:15px;color:#bdb6aa;margin-top:14px}
/* sections */
.sec{padding:48px 0}
.sec.warm{background:var(--warm)}
.sec.dark{background:var(--ch);color:#e6e0d6}
.sec.dark h2,.sec.dark h3{color:#fff}
.sec .lead{font-size:18px;max-width:46em}
.sec-h{margin-bottom:22px}
.sec-h .tag{display:block;color:var(--cu-d);font-weight:700;font-size:15px;margin-bottom:4px}
.dark .sec-h .tag{color:var(--cu-l)}
figure{margin:0}
figcaption{font-size:15px;line-height:1.6;color:var(--mut);padding-top:8px}
.dark figcaption{color:#c9c2b6}
.fig img{width:100%;border-radius:8px;background:#ddd}
.fig.sq img{aspect-ratio:1/1;object-fit:cover}
.fig.l img{aspect-ratio:4/3;object-fit:cover}
.fig.p img{aspect-ratio:3/4;object-fit:cover}
.grid3{display:grid;grid-template-columns:1fr;gap:26px}
.grid2{display:grid;grid-template-columns:1fr;gap:26px}
.card-body h3{margin-bottom:.3em}
.card-body p{margin:0;font-size:17px}
.ba{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.ba figure{position:relative}.ba .badge{position:absolute;left:6px;top:6px;z-index:1;display:inline-block;font-size:13px;font-weight:700;background:var(--ch);color:#fff;border-radius:4px;padding:1px 8px;line-height:1.6}
.ba .badge.af{background:var(--cu)}
.dark .ba .badge{background:#4a5358}.dark .ba .badge.af{background:var(--cu)}
/* table */
.tbl{width:100%;border-collapse:collapse;margin:0 0 1.2em;font-size:17px}
.tbl th,.tbl td{border:1px solid var(--line);padding:12px 14px;text-align:left;vertical-align:top;line-height:1.6}
.tbl th{background:var(--warm2);width:36%;font-weight:700;color:var(--ch)}
.tbl thead th{background:var(--ch);color:#fff;width:auto}
.tbl td{background:#fff}
/* steps */
.steps{list-style:none;padding:0;margin:0 0 24px;counter-reset:s;display:grid;gap:12px}
.steps li{counter-increment:s;background:var(--ch2);border-radius:8px;padding:14px 16px 14px 56px;position:relative;margin:0}
.steps li::before{content:counter(s);position:absolute;left:14px;top:14px;width:30px;height:30px;border-radius:50%;background:var(--cu);color:#fff;font-weight:700;text-align:center;line-height:30px;font-size:16px}
.steps b{display:block;color:#fff;margin-bottom:2px}
.steps span{font-size:16px;line-height:1.65;color:#d6cfc4}
/* link cards */
.cards-h{font-size:20px;margin:26px 0 12px}
.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.lcard{display:block;text-decoration:none;color:var(--ch);background:#fff;border:1px solid var(--line);border-radius:10px;overflow:hidden}
.lcard img{width:100%;aspect-ratio:1/1;object-fit:cover}
.lcard strong{display:block;padding:10px 10px 12px;font-size:15px;line-height:1.45;min-height:3.6em}
.lcard:hover{border-color:var(--cu)}
.lcard:hover strong{color:var(--cu-d)}
/* regions */
.rg{display:grid;gap:14px;grid-template-columns:1fr}
.rg div{background:#fff;border:1px solid var(--line);border-radius:10px;padding:16px 18px}
.rg h3{font-size:18px;margin-bottom:.4em}
.rg ul{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:6px 8px}
.rg li{margin:0}
.rg li span,.rg li a{display:inline-flex;align-items:center;min-height:36px;padding:0 12px;border-radius:18px;background:var(--warm);font-size:16px;color:var(--tx);text-decoration:none}
.rg li a{background:var(--cu);color:#fff;font-weight:700;min-height:44px;padding:0 16px}
.rg li a:hover{background:var(--cu-d)}
/* faq */
.faq details{border:1px solid var(--line);border-radius:10px;background:#fff;margin-bottom:10px}
.faq summary{list-style:none;cursor:pointer;min-height:56px;padding:14px 52px 14px 18px;font-weight:700;font-size:18px;line-height:1.5;position:relative;color:var(--ch)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:18px;top:50%;transform:translateY(-50%);font-size:26px;font-weight:400;color:var(--cu-d);line-height:1}
.faq details[open] summary::after{content:"−"}
.faq details[open] summary{border-bottom:1px solid var(--line)}
.faq .ans{padding:14px 18px 6px}
.faq h3{margin:0;font-size:inherit;display:block}
/* detail */
.crumb{font-size:15px;color:var(--mut);padding:14px 0 0}
.crumb a{color:var(--mut)}
.page-h{background:var(--warm);padding:22px 0 34px}
.page-h h1{margin-top:10px}
.page-h .lead{font-size:18px;max-width:46em;margin-bottom:0}
.prose{max-width:50em}
.cta-box{background:var(--ch);color:#e6e0d6;border-radius:12px;padding:26px 22px;margin:34px 0 0}
.cta-box h2{color:#fff;font-size:22px}
.cta-box p{margin-bottom:0}
.rel{display:flex;flex-wrap:wrap;gap:10px;list-style:none;padding:0}
.rel a{display:inline-flex;align-items:center;min-height:44px;padding:0 16px;border:1px solid var(--line);border-radius:22px;text-decoration:none;color:var(--ch);background:#fff}
.rel a:hover{border-color:var(--cu)}
.callout{border-left:4px solid var(--cu);background:var(--warm);padding:14px 18px;margin:0 0 1.2em;border-radius:0 8px 8px 0}
.callout p{margin:0}
/* footer */
.site-foot{background:var(--ch);color:#c9c2b6;padding:34px 0 20px;font-size:15px;line-height:1.8}
.site-foot a{color:#e9e4dc}
.site-foot dl{margin:0 0 14px;display:grid;grid-template-columns:auto 1fr;gap:2px 14px}
.site-foot dt{color:#9d968a}
.site-foot dd{margin:0}
.foot-nav{display:flex;flex-wrap:wrap;gap:4px 8px;margin:0 0 12px}
.foot-nav a{min-height:44px;display:inline-flex;align-items:center;padding:0 10px 0 0}
/* sticky cta */
.sticky-cta{position:fixed;left:0;right:0;bottom:0;z-index:50;padding:10px 16px calc(10px + env(safe-area-inset-bottom));background:rgba(29,33,36,.96);display:flex;justify-content:center}
.sticky-cta .btn{width:100%;max-width:420px}
.contact-actions{display:grid;gap:12px;grid-template-columns:1fr;max-width:460px;margin:18px 0 8px}
.contact-actions .btn{font-size:19px;min-height:56px}
@media(max-width:899px){
 .hero-txt{padding:20px 20px 26px}
 .hero .kick{font-size:14px;margin-bottom:6px}
 .hero h1{font-size:28px;margin-bottom:.4em}
 .hero p{font-size:15px;line-height:1.65;margin-bottom:.7em}
 .hero .btn-row{margin-top:12px}
 .hero .btn{min-height:46px;font-size:16px;padding:0 24px}
 #area .sec-h{margin-bottom:12px}
 #area .lead{font-size:16px}
 .rg{gap:8px}
 .rg div{padding:10px 12px}
 .rg h3{font-size:16px;margin-bottom:.25em}
 .rg ul{gap:4px 5px}
 .rg li span{min-height:30px;padding:0 10px;font-size:15px}
 .rg li a{min-height:44px;padding:0 13px;font-size:15px}
 .area-note{font-size:15px;margin:12px 0 0}
 #area h3:not(.rg h3){font-size:18px;margin:16px 0 .3em}
 #area .wrap>p:last-child{font-size:16px;line-height:1.6}
 .prep{margin-bottom:.4em}.prep li{margin-bottom:.15em;line-height:1.55;font-size:16px}
 #cost h3{font-size:18px;margin-bottom:.3em}
 #cost .btn-row{margin-top:12px}
 #cost .lead{font-size:16px}
 .strip{grid-template-columns:repeat(3,1fr);gap:8px}
 .strip figcaption{font-size:14px;line-height:1.4;padding-top:6px}
 .strip .more{display:none}
 #estimate .strip{grid-template-columns:1fr;gap:14px}
 #estimate .strip figcaption{font-size:15px}
 .tbl{font-size:15px}.tbl th,.tbl td{padding:7px 9px;line-height:1.5}.tbl th{width:36%}.sec>.wrap>.tbl{margin-bottom:.8em}
 #estimate .sec-h{margin-bottom:14px}
 #process .sec-h{margin-bottom:14px}
 #process .lead{font-size:16px}
 .steps{gap:8px;margin-bottom:16px}
 .steps li{padding:9px 12px 9px 50px}
 .steps li::before{top:10px;left:12px}
 .steps b{display:inline;margin-right:6px}
 .steps span{font-size:15px;line-height:1.5}
 #process .strip{grid-template-columns:1fr 1fr;gap:10px}
 #process .strip figure:nth-child(3){grid-column:1/-1}
 #process .strip figure:nth-child(3) img{aspect-ratio:4/3}
 #process .strip figcaption{font-size:15px}
 .proc .fig.p img{aspect-ratio:3/4}
 .note-m{font-size:14px;line-height:1.5;color:#c9c2b6;margin:10px 0 0}
}
@media(min-width:600px){
 .grid2{grid-template-columns:1fr 1fr}
 .rg{grid-template-columns:1fr 1fr}
 .cards{gap:16px}
}
@media(min-width:900px){
 .only-m{display:none}
 body{font-size:18px;line-height:1.7;padding-bottom:0}
 h1{font-size:40px}h2{font-size:32px}h3{font-size:21px}
 .sticky-cta{display:none}
 .sec{padding:76px 0}
 .sec .lead{font-size:20px}
 .hero .wrap{display:grid;grid-template-columns:1fr 1.15fr;align-items:stretch;min-height:540px}
 .hero-txt{order:1;padding:64px 48px 64px 20px;align-self:center}
 .hero-photo{order:2}
 .hero-photo img{height:100%;aspect-ratio:auto;min-height:540px}
 .hero h1{font-size:48px}
 .hero p{font-size:19px}
 .grid3{grid-template-columns:repeat(3,1fr);gap:30px}
 .cards{grid-template-columns:repeat(4,1fr)}
 .lcard strong{font-size:18px;padding:12px 14px 14px}
 .rg{grid-template-columns:repeat(3,1fr)}
 .steps{grid-template-columns:repeat(5,1fr)}
 .steps li{padding:56px 14px 16px}
 .steps li::before{top:14px}
 .page-h{padding:30px 0 50px}
 .contact-actions{grid-template-columns:1fr 1fr;max-width:640px}
 .site-foot dl{grid-template-columns:auto 1fr}
}
@media(max-width:359px){h1{font-size:27px}.hero h1{font-size:30px}.btn{padding:0 18px}.nav a{padding:0 8px;font-size:15px}.logo{font-size:16px}}