:root{--k:#17212b;--a:#f08a24;--paper:#eef1f4;--line:#d3dae1;--t:#1d252d;--m:#4a5560}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:Pretendard,"Apple SD Gothic Neo","Noto Sans KR","Malgun Gothic",ui-sans-serif,system-ui,sans-serif;color:var(--t);line-height:1.75;letter-spacing:-.01em;word-break:keep-all;padding-bottom:84px;-webkit-text-size-adjust:100%}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
ul,ol{padding-left:1.3em}
li::marker{color:var(--a)}
ol:not(.steps){list-style:none;padding-left:0}
ol:not(.steps) li{position:relative;padding-left:22px;margin-top:6px}
ol:not(.steps) li:before{content:"";position:absolute;left:0;top:.72em;width:9px;height:9px;background:var(--a)}
:focus-visible{outline:3px solid var(--a);outline-offset:2px}
.wrap{max-width:1160px;margin:0 auto;padding:0 20px}

/* 헤더 */
.site-header{position:sticky;top:0;z-index:20;background:var(--k);color:#fff;border-bottom:5px solid var(--a)}
.hd{display:flex;align-items:center;gap:18px;min-height:60px}
.brand{text-decoration:none;display:flex;flex-direction:column;line-height:1.15;flex:none}
.brand b{font-size:1.2rem;font-weight:900}.brand small{font-size:.72rem;color:var(--a);font-weight:700}
.gnav{display:flex;gap:4px;align-items:center;overflow-x:auto;margin-left:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch}
.gnav::-webkit-scrollbar{display:none}
.gnav a{white-space:nowrap;text-decoration:none;padding:8px 10px;font-size:.92rem;font-weight:700}
.gnav a:hover,.gnav a[aria-current]{color:var(--a)}
.gnav .btn{color:var(--k);margin-left:6px;min-height:40px;padding:8px 16px}.gnav .btn:hover{color:var(--k);background:#fff}

/* 버튼 */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:11px 24px;border-radius:2px;font-weight:800;text-decoration:none;font-size:1rem;line-height:1.3;text-align:center;transition:background .15s,color .15s,transform .15s}
.btn:active{transform:translateY(1px)}
.btn-cta{background:var(--a);color:var(--k);box-shadow:0 3px 0 rgba(0,0,0,.28)}.btn-cta:hover{background:#fff}
.btn-ghost{border:2px solid currentColor}.btn-ghost:hover{background:var(--a);color:var(--k);border-color:var(--a)}

/* 최상단 */
.top{background:var(--k);color:#fff;padding:48px 0 40px;border-bottom:10px solid var(--a)}
.top .eyebrow{color:var(--a);font-weight:800;font-size:.9rem;letter-spacing:.02em}
h1{font-size:clamp(2rem,5vw,3.4rem);line-height:1.15;letter-spacing:-.04em;font-weight:900;margin:8px 0 16px}
.ans{max-width:44em;font-size:1.05rem;color:#e4e9ee}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;list-style:none;padding:0}
.chips li{border:1px solid rgba(255,255,255,.35);padding:4px 12px;font-size:.85rem;font-weight:700;color:#fff;border-radius:99px}
.top .btns{margin-top:22px;display:flex;gap:10px;flex-wrap:wrap}
.top .btn-ghost{color:#fff}

/* 섹션 구분 */
.sec{padding:60px 0;border-top:1px solid var(--line)}
.sec.alt{background:var(--paper)}
.top+.sec{border-top:0}
.sh{margin-bottom:28px}
.kicker{display:block;color:#b8620a;font-weight:800;font-size:.82rem;letter-spacing:.06em;margin-bottom:6px}
h2{font-size:clamp(1.45rem,2.8vw,2rem);line-height:1.3;margin-bottom:16px;letter-spacing:-.03em;font-weight:900;position:relative;padding-bottom:14px}
h2:after{content:"";position:absolute;left:0;bottom:0;width:52px;height:5px;background:var(--a)}
.sh h2{margin-bottom:12px}
h3{font-size:1.1rem;line-height:1.4;margin-bottom:6px;font-weight:800}
p+p,p+ul,ul+p,p+ol,p+.tw{margin-top:12px}
.lead{max-width:50em;color:var(--m)}

/* 그리드·카드 */
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.card{display:block;border:2px solid var(--k);background:#fff;border-radius:2px;text-decoration:none;overflow:hidden;transition:box-shadow .15s,transform .15s}
.card:hover{box-shadow:6px 6px 0 var(--a);transform:translate(-2px,-2px)}
.card img{width:100%;aspect-ratio:4/3;object-fit:cover}
.cb{padding:16px 18px 18px}.cb p{font-size:.92rem;color:var(--m)}
.tile{border:2px solid var(--k);background:#fff;padding:16px;border-radius:2px}.tile p{font-size:.92rem;color:var(--m)}
.tile h3{padding-bottom:8px;margin-bottom:8px;border-bottom:2px solid var(--line)}

/* 사례 카드 */
.case{border:2px solid var(--k);background:#fff;border-radius:2px;overflow:hidden;transition:box-shadow .15s,transform .15s}
.case:hover{box-shadow:6px 6px 0 var(--a);transform:translate(-2px,-2px)}
.case>a{text-decoration:none;display:block}
.cmp{display:grid;grid-template-columns:1fr 1fr;gap:2px;background:var(--k)}
.cmp figure{position:relative}
.cmp img{width:100%;aspect-ratio:3/4;object-fit:cover}
.cmp figcaption{position:absolute;left:0;top:0;background:var(--a);color:var(--k);font-weight:900;font-size:.8rem;padding:3px 10px}
.case .cb h3{font-size:1.05rem;padding-bottom:10px;margin-bottom:10px;border-bottom:2px solid var(--line)}
.case dl{display:grid;grid-template-columns:4.5em 1fr;gap:4px 10px;font-size:.88rem}
.case dt{font-weight:800;color:var(--m)}
.more{text-align:center;margin-top:26px}
.more button{font:inherit;font-weight:800;border:2px solid var(--k);background:#fff;padding:12px 40px;min-height:48px;cursor:pointer;border-radius:2px}
.more button:hover{background:var(--a)}
[hidden]{display:none!important}

/* 증상 카드 */
.sym{display:flex;flex-direction:column;border:2px solid var(--k);border-top:7px solid var(--a);background:#fff;padding:18px 18px 16px;text-decoration:none;border-radius:2px;transition:box-shadow .15s,transform .15s}
.sym:hover{box-shadow:6px 6px 0 var(--a);transform:translate(-2px,-2px)}
.sym h3{font-size:1.12rem;margin-bottom:8px}
.sym p{font-size:.92rem;color:var(--m);flex:1}
.sym .go{margin-top:12px;font-weight:800;font-size:.88rem;color:#b8620a}
.who{display:grid;grid-template-columns:5fr 6fr;gap:34px;align-items:center}
.who img{width:100%;border:2px solid var(--k);aspect-ratio:4/3;object-fit:cover}
.who ul{list-style:none;padding:0;margin-top:14px}
.who li{padding:12px 0 12px 22px;border-top:1px solid var(--line);position:relative}
.who li:before{content:"";position:absolute;left:0;top:1.35em;width:9px;height:9px;background:var(--a)}
.who li b{display:block}
.who li span{font-size:.92rem;color:var(--m)}
.subh{margin:34px 0 14px;font-size:1.05rem}

/* 표 */
.tw{overflow-x:auto;-webkit-overflow-scrolling:touch}
table{border-collapse:collapse;width:100%;min-width:560px;background:#fff;font-size:.93rem}
th,td{border:2px solid var(--k);padding:10px 12px;text-align:left;vertical-align:top}
th{background:var(--k);color:#fff}
tbody tr:nth-child(even) td{background:#f6f8fa}

/* 진행 순서(숫자 없음) */
.steps{list-style:none;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.steps li{border:2px solid var(--k);border-top:7px solid var(--a);padding:16px;background:#fff;border-radius:2px;margin:0}
.steps li:before{display:none}
.steps h3{margin-bottom:6px}
.steps p{font-size:.92rem;color:var(--m)}

/* FAQ */
.faq{border:2px solid var(--k);margin:10px 0;background:#fff;border-radius:2px}
.faq summary{cursor:pointer;padding:14px 16px 14px 56px;list-style:none;position:relative;min-height:52px}
.faq summary::-webkit-details-marker{display:none}
.faq summary:before{content:"Q";position:absolute;left:0;top:0;bottom:0;width:42px;background:var(--a);font-weight:900;display:flex;align-items:center;justify-content:center;border-right:2px solid var(--k)}
.faq summary:after{content:"+";position:absolute;right:14px;top:50%;transform:translateY(-50%);font-weight:900;font-size:1.3rem;color:var(--m)}
.faq[open] summary:after{content:"\2212"}
.faq[open] summary{border-bottom:2px solid var(--line)}
.faq summary h3{display:inline;font-size:1.02rem;margin:0;padding-right:28px}
.faq p{padding:14px 16px 16px 56px;margin:0;color:#2c3640}

/* CTA·푸터 */
.cta{background:var(--k);color:#fff;padding:60px 0;text-align:center;border-top:10px solid var(--a)}
.cta h2{color:#fff;padding-bottom:16px}.cta h2:after{left:50%;transform:translateX(-50%)}
.cta p{color:#cdd5dc;margin:0 auto 18px;max-width:38em}
.meta{font-size:.85rem;color:var(--m);margin-top:22px}
.crumb{font-size:.82rem;color:#b9c3cc;margin-bottom:6px}.crumb a{text-decoration:none}
.site-footer{background:var(--k);color:#b9c3cc;padding:40px 0 34px;font-size:.88rem;border-top:10px solid var(--a)}
.site-footer address{font-style:normal;line-height:1.9;margin:16px 0;padding:16px 0;border-top:1px solid rgba(255,255,255,.18);border-bottom:1px solid rgba(255,255,255,.18)}
.fnav{display:flex;flex-wrap:wrap;gap:6px 18px}.fnav a{color:#fff;text-decoration:none;font-weight:700;padding:4px 0}

/* 본문(사례·NSEO) */
.article{max-width:820px}
.article>section{padding-top:34px;margin-top:34px;border-top:2px solid var(--line)}
.article>.tw+section,.article>figure+section,.article>.tw:first-child{margin-top:28px}
.article>section:first-child{border-top:0;padding-top:0;margin-top:0}
.article h3{font-size:1.08rem;padding-left:12px;border-left:4px solid var(--a);margin:22px 0 8px}
.article figure{margin:26px 0}.article figure img{width:100%;border:2px solid var(--k)}
.article figcaption{font-size:.86rem;color:var(--m);margin-top:6px;padding-left:10px;border-left:3px solid var(--line)}
.article ul{margin-top:10px}.article li{margin-top:5px}
.quote{border-left:9px solid var(--a);background:var(--paper);padding:16px 20px;margin:34px 0 0}
.floating{position:fixed;right:16px;bottom:16px;z-index:30;box-shadow:0 4px 0 rgba(0,0,0,.35)}

@media(max-width:860px){
  .grid3,.steps,.grid4{grid-template-columns:1fr 1fr}
  .who{grid-template-columns:1fr}
  .hd{flex-wrap:wrap;padding-top:8px;gap:4px 18px}
  .gnav{width:100%;margin:0;padding-bottom:6px}
  .sec{padding:48px 0}
}
@media(max-width:560px){
  body{font-size:16px}
  .wrap{padding:0 16px}
  .grid3,.steps,.grid4{grid-template-columns:1fr}
  .steps[style]{grid-template-columns:1fr!important}
  .top{padding:34px 0 30px}
  .sec{padding:40px 0}
  .sh{margin-bottom:22px}
  .btn{width:100%;min-height:52px}
  .top .btns{flex-direction:column;gap:10px}
  .gnav .btn{width:auto;min-height:40px}
  .more button{width:100%}
  .cmp img{aspect-ratio:4/5}
  .article>section{padding-top:28px;margin-top:28px}
  .faq summary{padding:14px 14px 14px 52px}
  .faq p{padding:12px 14px 16px 52px}
  .site-footer .fnav{gap:2px 16px}
  /* 하단 고정 버튼: 모바일에서는 화면 폭 전체 */
  .floating{left:12px;right:12px;bottom:calc(10px + env(safe-area-inset-bottom));width:auto;min-height:54px;font-size:1.05rem}
  body{padding-bottom:84px}
}
.kv{min-width:0}
@media(max-width:640px){
  .tw{overflow:visible}
  table.rt{min-width:0;background:none}
  .rt thead{position:absolute;left:-9999px}
  .rt,.rt tbody,.rt tr,.rt td{display:block;width:100%}
  .rt tr{border:2px solid var(--k);margin-bottom:12px;background:#fff}
  .rt td,.rt tbody tr:nth-child(even) td{border:0;border-bottom:1px solid var(--line);padding:9px 14px;background:#fff}
  .rt td:last-child{border-bottom:0}
  .rt td:before{content:attr(data-label);display:block;font-size:.78rem;font-weight:800;color:#b8620a}
  .rt tbody tr td:first-child,.rt tbody tr:nth-child(even) td:first-child{background:var(--k);color:#fff;font-weight:800}
  .rt td:first-child:before{display:none}
}
/* 모바일 헤더: 메뉴가 잘리지 않도록 3열 격자로 모두 노출 */
@media(max-width:860px){
  .site-header{position:static}
  .hd{padding:10px 16px 12px}
  .gnav{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;overflow:visible;width:100%;margin:0;padding:0}
  .gnav a{text-align:center;white-space:normal;padding:10px 4px;font-size:.9rem;border:1px solid rgba(255,255,255,.22);border-radius:2px;display:flex;align-items:center;justify-content:center;min-height:44px}
  .gnav .btn{margin:0;width:100%;border:0;padding:8px 4px}
}
/* 브랜드: 한 줄, 같은 글자 크기 */
.brand{flex-direction:row;align-items:baseline;gap:8px;white-space:nowrap}
.brand b,.brand small{font-size:1.15rem;font-weight:900;line-height:1.2}
.brand small{color:var(--a)}
@media(max-width:860px){.is-home .gnav{display:none}.is-home .hd{padding:14px 16px}}
.brand{padding-bottom:4px}
@media(max-width:860px){.brand{padding-bottom:8px}.is-home .hd{padding:14px 16px 20px}}

/* 키워드 페이지: 사진 배치 4종(패턴 A~D)과 2열 카드 */
.gal{display:grid;gap:10px;margin-top:14px}.gal figure{margin:0}
.gal img{width:100%;height:100%;object-fit:cover;border:2px solid var(--k)}
.g-grid{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}.g-grid img{aspect-ratio:4/3}
.g-strip{grid-template-columns:repeat(auto-fit,minmax(150px,1fr))}.g-strip img{aspect-ratio:1/1}
.g-pair{grid-template-columns:1fr 1fr}.g-pair img{aspect-ratio:3/4}
.g-feature{grid-template-columns:repeat(3,1fr)}.g-feature figure:first-child{grid-column:1/-1}.g-feature figure:first-child img{aspect-ratio:16/9}.g-feature img{aspect-ratio:4/3}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:14px}.grid2 .case .cb p{font-size:.9rem;color:var(--m)}
@media(max-width:640px){.grid2,.g-pair{grid-template-columns:1fr}.g-feature{grid-template-columns:1fr 1fr}}