/* 참고 사이트(headspa.korcolorroom.com) 구조·형태 반영: 각진 모서리, 세리프 제목, 얇은 선, 1/2/3열 그리드. 컬러는 새로 선정. */
:root{--ink:#1d2b30;--sub:#56656b;--accent:#1f5f66;--sand:#f5f1ea;--line:#d9d3c8;--bg:#fff;--serif:"Noto Serif KR",serif}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Pretendard",ui-sans-serif,system-ui,sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol","Noto Color Emoji";color:var(--ink);background:var(--bg);line-height:1.75;font-size:16px;word-break:keep-all}
img{max-width:100%;height:auto;display:block}
a{color:var(--accent)}
h1,h2,h3{font-family:var(--serif);font-weight:600;line-height:1.35;letter-spacing:-.01em;margin:0 0 .6em}
h1{font-size:clamp(1.9rem,5vw,2.9rem)}
h2{font-size:clamp(1.4rem,3.4vw,1.9rem)}
h3{font-size:1.1rem}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
section{padding:56px 0}
.alt{background:var(--sand)}
.eyebrow{font-size:.8rem;letter-spacing:.14em;color:var(--accent);text-transform:uppercase;margin:0 0 10px}
.lead{font-size:1.1rem;max-width:760px}
.muted{color:var(--sub);font-size:.9rem}

.hd{position:sticky;top:0;background:#fff;border-bottom:1px solid var(--line);z-index:20}
.hd-in{display:flex;align-items:center;justify-content:space-between;height:60px}
.logo{font-family:var(--serif);font-weight:600;font-size:1.15rem;color:var(--ink);text-decoration:none}
.hd nav{display:flex;gap:20px;align-items:center;font-size:.92rem}
.hd nav a{color:var(--ink);text-decoration:none}
.nav-cta{background:var(--ink);color:#fff!important;padding:8px 16px}
@media(max-width:720px){.hd nav a:not(.nav-cta){display:none}}

.btn{display:inline-block;background:var(--accent);color:#fff;padding:13px 26px;text-decoration:none;border:0;font-size:1rem}
.btn.line{background:transparent;color:var(--ink);border:1px solid var(--ink)}
.btns{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}

.grid{display:grid;gap:24px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
@media(max-width:900px){.g3{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.g3,.g2{grid-template-columns:1fr}}

/* 전/후 비교 카드: 좌우 50:50 고정 (모바일에서도 상하 전환 없음) */
.case{display:block;text-decoration:none;color:inherit;border:1px solid var(--line);background:#fff}
.cmp{display:grid;grid-template-columns:1fr 1fr;gap:2px;background:var(--line)}
.cmp figure{margin:0;position:relative;aspect-ratio:3/4;overflow:hidden}
.cmp img{width:100%;height:100%;object-fit:cover}
.cmp figcaption{position:absolute;left:0;top:0;background:var(--ink);color:#fff;font-size:.75rem;padding:2px 10px}
.case-b{padding:18px 20px 22px}
.case-b h3{margin-bottom:.3em}
.case-b p{margin:0;color:var(--sub);font-size:.92rem}

.card{display:block;text-decoration:none;color:inherit;border:1px solid var(--line);background:#fff}
.card-img{display:block;aspect-ratio:4/3;overflow:hidden}
.card-img img{width:100%;height:100%;object-fit:cover}
.card-t{display:block;font-family:var(--serif);font-weight:600;padding:14px 18px 2px}
.card-s{display:block;padding:0 18px 18px;color:var(--sub);font-size:.9rem}

.def{border-left:3px solid var(--accent);padding:4px 0 4px 20px;margin:0 0 24px;font-family:var(--serif);font-size:1.15rem}
.tbl{overflow-x:auto;margin:20px 0}
table{border-collapse:collapse;width:100%;min-width:520px;font-size:.95rem}
th,td{border:1px solid var(--line);padding:12px 14px;text-align:left;vertical-align:top}
th{background:var(--sand);font-weight:600}
ul.chk{padding-left:1.2em}
ul.chk li{margin:6px 0}

.faq details{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;list-style:none;padding:16px 36px 16px 0;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary h3{margin:0;font-size:1.02rem;font-family:inherit;font-weight:600}
.faq summary::after{content:"+";position:absolute;right:6px;top:12px;font-size:1.5rem;color:var(--accent)}
.faq details[open] summary::after{content:"\2212"}
.faq p{margin:0 0 18px;color:#33454b}

.article{max-width:780px;margin:0 auto}
.article h2{margin-top:2em}
.story-photo{margin:24px 0}
.story-photo figcaption{font-size:.85rem;color:var(--sub);margin-top:8px}
.story-photo img{width:100%;max-width:520px;margin:0 auto}
.story-photo.land img{max-width:100%}
.quote{border-left:3px solid var(--accent);padding:6px 0 6px 20px;font-family:var(--serif);margin:28px 0}
.quote cite{display:block;font-family:inherit;font-style:normal;font-size:.85rem;color:var(--sub);margin-top:6px}
.meta-t{margin:0}
.page-hero{padding:48px 0 24px}
.crumb{font-size:.85rem;color:var(--sub);margin-bottom:14px}
.crumb a{color:var(--sub)}
.page-img{margin:26px 0}

.ft{background:var(--ink);color:#c9d3d6;padding:40px 0 90px;font-size:.88rem}
.ft a{color:#c9d3d6}
.ft-name{font-family:var(--serif);color:#fff;font-size:1.2rem;margin:0 0 10px}
.ft-links{list-style:none;display:flex;flex-wrap:wrap;gap:6px 18px;padding:0;margin:0 0 16px}
.ft-info{line-height:1.9}
.ft-copy{opacity:.7}
.float-cta{position:fixed;right:16px;bottom:16px;background:var(--accent);color:#fff;padding:13px 20px;text-decoration:none;font-size:.95rem;z-index:30;box-shadow:0 2px 10px rgba(0,0,0,.25)}

/* ---- 디자인 개선: 섹션·헤딩 구분, 번호 마커 제거, 모바일 버튼 ---- */
section{padding:72px 0;border-top:1px solid var(--line)}
.page-hero{border-top:0}
.alt{border-color:transparent}
.sec-head{margin-bottom:32px;max-width:720px}
.sec-head h2{margin:0 0 10px;padding-top:18px;position:relative}
.sec-head h2::before{content:"";position:absolute;left:0;top:0;width:36px;height:3px;background:var(--accent)}
.sec-head p{margin:0;color:var(--sub)}
h1{margin-bottom:.5em;letter-spacing:-.02em}
.article h2{margin:2.4em 0 .7em;padding-top:1.2em;border-top:1px solid var(--line);font-size:clamp(1.3rem,3.2vw,1.65rem)}
.article h2:first-of-type{margin-top:1.6em}
.article h3{margin-top:1.6em}
.article p{margin:0 0 1em}
.lead{color:#33454b;line-height:1.85}
.steps{list-style:none;padding:0;margin:0;display:grid;gap:12px}
.steps li{border:1px solid var(--line);border-left:4px solid var(--accent);padding:16px 20px;background:#fff}
ul.chk{list-style:none;padding:0}
ul.chk li{position:relative;padding-left:20px;margin:8px 0}
ul.chk li::before{content:"";position:absolute;left:0;top:.72em;width:8px;height:8px;background:var(--accent)}
.sym{display:flex;flex-direction:column;padding:22px 22px 20px;border:1px solid var(--line);background:#fff;text-decoration:none;color:inherit;transition:border-color .15s,transform .15s}
.sym:hover,.card:hover,.case:hover{border-color:var(--accent);transform:translateY(-2px)}
.sym h3{margin:0 0 8px;font-size:1.08rem}
.sym p{margin:0 0 14px;color:var(--sub);font-size:.92rem;flex:1}
.sym span{color:var(--accent);font-size:.88rem;font-weight:600}
.card,.case{transition:border-color .15s,transform .15s}
.who{margin-top:36px;padding:24px 26px;background:#fff;border:1px solid var(--line)}
.who h3{margin:0 0 10px}
.btn{text-align:center;min-height:48px;line-height:1.3;padding:14px 26px;font-weight:600}
.btn:hover{opacity:.9}
@media(max-width:720px){
  body{font-size:15.5px}
  section{padding:52px 0}
  .wrap{padding:0 18px}
  .btns{flex-direction:column;gap:10px}
  .btn{display:block;width:100%;min-height:52px;padding:16px}
  .nav-cta{padding:10px 14px;min-height:40px}
  .float-cta{left:0;right:0;bottom:0;text-align:center;padding:16px;font-weight:600;box-shadow:0 -2px 12px rgba(0,0,0,.18)}
  .ft{padding-bottom:96px}
  .story-photo img{max-width:100%}
  th,td{padding:10px 12px}
}
/* 모바일 표: 가로 스크롤 대신 행을 카드로 재배치 */
@media(max-width:720px){
  .tbl{overflow:visible}
  table{min-width:0;display:block}
  table thead{display:none}
  table tbody,table tr{display:block}
  table tr{border:1px solid var(--line);margin-bottom:12px;background:#fff}
  table th,table td{display:block;border:0;border-bottom:1px solid var(--line);padding:10px 14px}
  table tr>:last-child{border-bottom:0}
  table th{background:var(--sand);font-size:.82rem;color:var(--sub)}
  td[data-label]::before{content:attr(data-label);display:block;font-size:.76rem;color:var(--accent);font-weight:600;margin-bottom:2px}
}
/* 함께 보면 좋은 페이지: .wrap 이 section 여백을 덮어쓰던 문제 */
section.related{padding-top:72px;padding-bottom:88px}
.related h2{margin-bottom:28px}
@media(max-width:720px){section.related{padding-top:52px;padding-bottom:72px}}
/* 예약 발행 세부페이지 */
.wrap.nw{max-width:820px}
.sec-head .sub{margin:0;color:var(--sub)}
.blk p{margin:0 0 1em}
.blk .tbl,.blk .steps,.blk ul.chk,.blk .story-photo,.blk .quote{margin-top:20px;margin-bottom:20px}
.blk .steps strong{display:block;margin-bottom:2px}
.blk .grid{margin-top:8px}
.blk-link{margin-top:20px}