:root{--ink:#14232e;--ember:#b4472a;--ember-d:#923720;--paper:#fff;--alt:#f4f1ec;--line:#ddd7cd;--mute:#5b6770;--serif:"Noto Serif KR","Nanum Myeongjo","Apple SD Gothic Neo",serif;--sans:ui-sans-serif,system-ui,sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol","Noto Color Emoji";--py:96px}
*{box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--sans);color:var(--ink);line-height:1.8;background:var(--paper);font-size:16px;letter-spacing:-.005em;word-break:keep-all}
img{display:block;max-width:100%;height:auto}a{color:inherit}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}.narrow{max-width:760px}.center{text-align:center}
/* 제목 위계: h1 > h2(짧은 포인트 바) > h3(본문 산세리프 굵게) */
h1,h2,h3{margin:0 0 .6em;line-height:1.4}
h1,h2{font-family:var(--serif);font-weight:500;letter-spacing:-.02em}
h1{font-size:clamp(34px,5.4vw,56px);line-height:1.25}
h2{font-size:clamp(24px,3.4vw,34px);margin-bottom:20px}
h2::after{content:"";display:block;width:44px;height:3px;background:var(--ember);margin-top:16px}
.center h2::after{margin-inline:auto}
h3{font-family:var(--sans);font-size:18px;font-weight:700}
.page-head h1+.lead,.hero-intro h1+.lead{margin-top:6px}
.label{font-family:"JetBrains Mono",ui-monospace,monospace;font-size:12px;letter-spacing:.16em;color:var(--ember);margin:0 0 12px;font-weight:600}
.lead{font-size:18px;color:#33434e}.sub{color:var(--mute);margin:0 0 6px}.def{font-family:var(--serif);font-size:20px}
.sec-head{margin-bottom:36px}.sec-head h2{margin-bottom:12px}
p{margin:0 0 1em}
/* 헤더 */
.site-header{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.96);backdrop-filter:blur(6px);border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{font-family:var(--serif);font-weight:700;font-size:21px;text-decoration:none}
.nav{display:flex;gap:26px;align-items:center;font-size:15px}.nav a{text-decoration:none;position:relative;padding:4px 0}
.nav a:not(.btn):hover{color:var(--ember)}
/* 버튼 */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;background:var(--ink);color:#fff;padding:12px 28px;border:1px solid var(--ink);border-radius:0;text-decoration:none;font-size:16px;font-weight:600;cursor:pointer;font-family:inherit;margin:0 8px 10px 0;transition:background .15s,border-color .15s,color .15s;line-height:1.3}
.btn:hover{background:var(--ember);border-color:var(--ember);color:#fff}
.btn-sm{min-height:38px;padding:6px 16px;font-size:14px;margin:0}
.btn.ghost{background:transparent;color:var(--ink)}.btn.ghost:hover{color:#fff}
.btn.light{background:#fff;color:var(--ink);border-color:#fff}.btn.light:hover{background:var(--ember);color:#fff}
.btns{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}.btns .btn{margin:0}
/* 섹션 구분 */
.hero-intro{padding:88px 0 56px;background:linear-gradient(180deg,#fff 0,var(--alt) 100%)}
.page-head{padding:64px 0 40px;background:var(--alt);border-bottom:1px solid var(--line)}
.page-head img{margin-top:32px;max-height:560px;width:auto;margin-inline:auto}
.hero-image{background:var(--ink);padding:0}.hero-image img{margin:0 auto;max-height:640px;width:auto}
.section{padding:var(--py) 0;border-top:1px solid var(--line)}.section.alt{background:var(--alt)}
.section:first-child{border-top:0}
.section .narrow>h2:first-child,.section .wrap>h2:first-child{margin-top:0}
.narrow h2:not(:first-child){margin-top:48px}
.narrow h3{margin-top:32px;padding-top:20px;border-top:1px dashed var(--line)}
.crumb{font-size:13px;color:var(--mute);margin-bottom:18px}.crumb a{text-decoration:none}.crumb a:hover{color:var(--ember)}
/* 카드 */
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{display:block;text-decoration:none;background:#fff;border:1px solid var(--line);border-radius:0;overflow:hidden;transition:transform .15s,border-color .15s,box-shadow .15s}
.card:hover{border-color:var(--ink);transform:translateY(-3px);box-shadow:0 10px 24px rgba(20,35,46,.1)}
.card>img{width:100%;aspect-ratio:4/5;object-fit:cover}.cb{padding:18px 20px 22px;border-top:1px solid var(--line)}.cb h3{margin-bottom:6px}.cb p{margin:0;color:var(--mute);font-size:14px}
.pair{display:grid;grid-template-columns:1fr 1fr;gap:2px;background:var(--line)}.pair div{position:relative}.pair img{width:100%;aspect-ratio:3/4;object-fit:cover}
.pair span{position:absolute;left:8px;top:8px;background:var(--ink);color:#fff;font-size:12px;padding:2px 9px}.pair div+div span{background:var(--ember)}
.hid{display:none}
/* 증상/대상 */
.sym-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-top:3px solid var(--ember);padding:26px 24px;text-decoration:none;transition:transform .15s,box-shadow .15s}
.sym-card:hover{transform:translateY(-3px);box-shadow:0 10px 24px rgba(20,35,46,.1)}
.sym-card h3{margin-bottom:10px}.sym-card p{color:var(--mute);font-size:15px;flex:1}
.more{color:var(--ember);font-weight:600;font-size:14px}.more::after{content:" \2192"}
.who>div{padding:4px 0 4px 20px;border-left:3px solid var(--ember)}.who p{margin:0;color:var(--mute)}
.note{margin-top:36px;padding:20px 24px;background:#fff;border:1px solid var(--line);color:#33434e;font-size:15px}
/* 표 */
.tw{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:20px 0;border:1px solid var(--line);background:#fff}
table{border-collapse:collapse;width:100%;min-width:480px}th,td{border-bottom:1px solid var(--line);padding:14px 16px;text-align:left;vertical-align:top;font-size:15px}
th{background:var(--alt);font-weight:700;white-space:nowrap}tr:last-child td,tr:last-child th{border-bottom:0}
/* 목록: 숫자 마커 없음 */
ul{padding-left:0;list-style:none;margin:0 0 1.2em}ul li{position:relative;padding-left:22px;margin-bottom:8px}
ul li::before{content:"";position:absolute;left:4px;top:.8em;width:7px;height:7px;background:var(--ember)}
ul.steps li{padding:14px 18px 14px 28px;margin:0;border-left:3px solid var(--line);background:#fff;border-bottom:1px solid var(--line)}
ul.steps li::before{left:-3px;top:0;width:3px;height:100%;background:var(--ember)}
.section.alt ul.steps li{background:#fff}
figure{margin:28px 0}figure img{max-height:560px;width:auto;margin:0 auto;border:1px solid var(--line)}figcaption{font-size:13px;color:var(--mute);text-align:center;margin-top:10px}
blockquote{margin:32px 0;padding:8px 0 8px 22px;border-left:3px solid var(--ember);font-family:var(--serif);font-size:18px}cite{display:block;color:var(--mute);font-size:14px;font-style:normal;font-family:var(--sans)}
/* FAQ */
.faq{border-top:2px solid var(--ink)}.faq details{border-bottom:1px solid var(--line);background:#fff}.faq summary{cursor:pointer;list-style:none;padding:18px 44px 18px 20px;position:relative;min-height:56px}
.faq summary::-webkit-details-marker{display:none}.faq summary h3{margin:0;padding:0;border:0;font-size:17px;line-height:1.5}
.faq summary::after{content:"+";position:absolute;right:18px;top:50%;transform:translateY(-50%);font-size:24px;color:var(--ember);line-height:1}.faq details[open] summary::after{content:"\2212"}
.faq details[open] summary{background:var(--alt)}.faq details p{margin:0;padding:16px 20px 20px}
.cta-row{margin-top:32px}
.cta-band{background:var(--ink);color:#fff;padding:80px 0}.cta-band h2{color:#fff}.cta-band h2::after{background:var(--ember)}.cta-band p{color:#c9d1d6}
/* 푸터 */
.site-footer{background:#0e1a22;color:#c9d1d6;padding:56px 0 100px;font-size:14px}.flinks{display:flex;flex-wrap:wrap;gap:10px 22px;margin-bottom:24px;padding-bottom:24px;border-bottom:1px solid #243845}.flinks a{text-decoration:none}.flinks a:hover{color:#fff}
.biz{line-height:1.9}.copy{color:#8a97a0;margin:0}
.float-cta{position:fixed;right:18px;bottom:18px;background:var(--ember);color:#fff;padding:14px 22px;min-height:48px;display:flex;align-items:center;text-decoration:none;z-index:40;font-size:15px;font-weight:600;box-shadow:0 6px 18px rgba(0,0,0,.25)}
.float-cta:hover{background:var(--ember-d)}
@media(max-width:1023px){.grid3{grid-template-columns:repeat(2,1fr)}:root{--py:72px}}
@media(max-width:700px){
 :root{--py:56px}body{font-size:16px}
 .grid3{grid-template-columns:1fr;gap:16px}
 .bar{height:58px}.nav a:not(.btn){display:none}
 .hero-intro{padding:48px 0 36px}.page-head{padding:40px 0 28px}
 .lead{font-size:17px}
 /* 모바일 버튼: 전폭, 큰 터치 영역, 세로 배치 */
 .btns,.cta-row{display:flex;flex-direction:column;gap:10px}
 .btn{display:flex;width:100%;min-height:54px;margin:0 0 10px;font-size:17px}
 .btn-sm{width:auto;min-height:40px;font-size:14px;margin:0}
 .cta-row .btn,.btns .btn{margin:0}
 .float-cta{left:0;right:0;bottom:0;justify-content:center;padding:16px;min-height:56px;font-size:17px;box-shadow:0 -4px 14px rgba(0,0,0,.18)}
 .site-footer{padding-bottom:110px}
 th,td{padding:12px;font-size:14px}.sym-card{padding:22px 20px}.faq summary{padding:16px 40px 16px 16px}.faq details p{padding:14px 16px 18px}
 .narrow h2:not(:first-child){margin-top:36px}.cta-band{padding:56px 0}
}