/* 수리터 전신거울 — 디자인 토큰 (구조 참고: Swiss/Editorial 플랫, 컬러는 신규 선정) */
:root{--bg:#F4F5F7;--surface:#fff;--surface-2:#E9ECF1;--ink:#14171F;--ink-soft:#4A5160;--ink-faint:#707887;--line:#D8DCE3;--accent:#2C4A7A;--accent-dark:#1D3357;--accent-soft:#E3EAF4;--panel:#11141B;--panel-text:#F2F4F8;--panel-muted:#9AA3B2;--radius:3px;--maxw:1280px;--gutter:clamp(20px,4vw,48px);--pad:clamp(56px,8vw,104px);--ease:cubic-bezier(.22,1,.36,1);--font:'Pretendard Variable','Pretendard',-apple-system,BlinkMacSystemFont,'Malgun Gothic',sans-serif}
@font-face{font-family:'Pretendard Variable';src:url('https://cdn.jsdelivr.net/npm/pretendard@1.3.9/dist/web/variable/woff2/PretendardVariable.woff2') format('woff2-variations');font-weight:45 920;font-display:swap}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.75;letter-spacing:-.008em;-webkit-font-smoothing:antialiased;word-break:keep-all;overflow-wrap:break-word}
img{max-width:100%;height:auto;display:block}a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.015em;line-height:1.3}p{margin:0 0 1em}ul,ol{margin:0 0 1em;padding-left:1.2em}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 var(--gutter)}
.sec{padding:var(--pad) 0}.sec-alt{background:var(--surface-2)}.sec-dark{background:var(--panel);color:var(--panel-text)}
.sec-invert{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.eyebrow{display:inline-block;font-size:.78rem;font-weight:700;letter-spacing:.12em;color:var(--accent);margin-bottom:12px}.sec-dark .eyebrow{color:#9DB6DC}
.sec-title{font-size:clamp(1.6rem,3.6vw,2.5rem);margin-bottom:14px}.sec-desc{color:var(--ink-soft);max-width:680px}.sec-dark .sec-desc{color:var(--panel-muted)}
.sec-marker{display:flex;flex-wrap:wrap;gap:clamp(18px,3.5vw,48px);padding-bottom:28px;margin-bottom:32px;border-bottom:1px solid var(--line)}
.sec-dark .sec-marker{border-color:rgba(255,255,255,.18)}
.sec-marker .num{display:block;font-size:clamp(2.2rem,5vw,3.4rem);font-weight:800;line-height:1;color:var(--ink-faint)}.sec-dark .num{color:var(--panel-muted)}
.sec-marker .label{display:block;font-size:.7rem;font-weight:700;letter-spacing:.12em;color:var(--accent);margin-top:6px}
.sec-marker-body{flex:1 1 320px}
/* header */
.hdr{position:fixed;top:0;left:0;right:0;z-index:50;background:linear-gradient(180deg,rgba(8,10,14,.55),rgba(8,10,14,0));transition:background .3s var(--ease)}
.hdr.hdr--solid{background:var(--bg);border-bottom:1px solid var(--line)}
.hdr-inner{max-width:1440px;margin:0 auto;padding:1.2rem var(--gutter);display:flex;align-items:center;justify-content:space-between;gap:20px}
.hdr-logo{font-size:1.08rem;font-weight:800;color:#fff}.hdr-nav{display:flex;gap:26px;font-size:.9rem;font-weight:600;color:#fff}.hdr-nav a:hover{opacity:.65}
.hdr-cta{padding:.6rem 1.15rem;border-radius:var(--radius);color:#fff;font-weight:700;font-size:.88rem;border:1px solid #fff;transition:.25s var(--ease)}.hdr-cta:hover{background:#fff;color:var(--ink)}
.hdr-burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:12px;min-width:44px;min-height:44px}.hdr-burger span{width:22px;height:2px;background:#fff;display:block}
.hdr--solid .hdr-logo,.hdr--solid .hdr-nav{color:var(--ink)}.hdr--solid .hdr-burger span{background:var(--ink)}.hdr--solid .hdr-cta{background:var(--accent);border-color:var(--accent)}
.hdr--solid .hdr-cta:hover{background:var(--accent-dark);color:#fff}
#mob-nav{position:fixed;inset:0;background:var(--panel);color:var(--panel-text);z-index:100;display:none;flex-direction:column;padding:80px 32px 32px;gap:20px;font-size:1.15rem;font-weight:700}
#mob-nav.active{display:flex}#mob-nav a{border-bottom:1px solid rgba(255,255,255,.12);padding-bottom:16px}
#mob-nav-close{position:absolute;top:18px;right:22px;font-size:2rem;background:none;border:0;color:#fff;cursor:pointer;min-width:44px;min-height:44px}
.hdr-sub .hdr-logo,.hdr-sub .hdr-nav{color:var(--ink)}
/* hero */
.hero{position:relative;height:100vh;min-height:580px;overflow:hidden;background:var(--panel);color:#fff;display:flex;align-items:flex-end}
.hero-track{position:absolute;inset:0;display:flex;gap:6px;width:max-content;animation:marq 60s linear infinite}
.hero-track img{height:100%;width:auto;aspect-ratio:3/4;object-fit:cover;flex:none}
@keyframes marq{to{transform:translateX(-50%)}}
.hero::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,12,18,.25),rgba(10,12,18,.35) 45%,rgba(10,12,18,.82))}
.hero-inner{position:relative;z-index:2;max-width:1440px;margin:0 auto;padding:0 var(--gutter) 64px;width:100%}
.hero h1{font-size:clamp(2.8rem,8vw,5.6rem);line-height:1.05;margin-bottom:20px}
.hero-ans{font-size:clamp(1rem,1.6vw,1.2rem);color:rgba(255,255,255,.9);max-width:640px;margin-bottom:26px}
.btn{display:inline-block;padding:.9rem 1.7rem;border-radius:var(--radius);background:var(--accent);color:#fff;font-weight:700;border:1px solid var(--accent);transition:.25s var(--ease)}
.btn:hover{background:var(--accent-dark)}.btn-line{background:transparent;border-color:#fff}.btn-line:hover{background:#fff;color:var(--ink)}
.hero .btn{background:#fff;color:var(--ink);border-color:#fff}.hero .btn:hover{background:var(--accent-soft)}
/* grids */
.divided{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}
.divided>div{padding:clamp(22px,3vw,32px);border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--surface)}
.divided .counter{display:block;font-size:.76rem;color:var(--ink-faint);font-weight:600;margin-bottom:12px}
.divided h3{font-size:1.15rem;padding-bottom:12px;margin-bottom:10px;position:relative}.divided h3::after{content:'';position:absolute;left:0;bottom:0;width:22px;height:2px;background:var(--accent)}
.divided p{font-size:.92rem;color:var(--ink-soft);margin:0}
.gal{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.gal a{display:block;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.25s var(--ease)}
.gal a:hover{border-color:var(--accent)}.gal img{width:100%;aspect-ratio:4/3;object-fit:cover}.gal span{display:block;padding:12px 14px;font-weight:700;font-size:.95rem}
/* case cards */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:.25s var(--ease)}
.card:hover{border-color:var(--accent)}.card.is-hidden{display:none}
.pair{display:grid;grid-template-columns:1fr 1fr;gap:2px;background:var(--line)}
.pair figure{margin:0;position:relative}.pair img{width:100%;aspect-ratio:3/4;object-fit:cover}
.tag{position:absolute;top:8px;left:8px;padding:.2rem .6rem;background:var(--panel);color:#fff;font-size:.7rem;font-weight:800}.pair .after .tag{background:var(--accent)}
.card-b{padding:16px 18px 20px}.card-b h3{font-size:1.05rem;margin-bottom:8px}.card-b dl{margin:0;font-size:.85rem;color:var(--ink-soft)}.card-b dt{display:inline;font-weight:700;color:var(--ink)}.card-b dd{display:inline;margin:0 0 0 4px}.card-b div{margin-bottom:2px}
.more{text-align:center;margin-top:32px}.more button{font:inherit;font-weight:700;padding:.85rem 2rem;border:1px solid var(--ink);background:transparent;border-radius:var(--radius);cursor:pointer}.more button:hover{background:var(--ink);color:#fff}
/* tables / lists */
.tbl{overflow-x:auto;margin:20px 0;border:1px solid var(--line)}
table{border-collapse:collapse;width:100%;min-width:560px;background:var(--surface);font-size:.92rem}
th,td{text-align:left;padding:13px 16px;border-bottom:1px solid var(--line);vertical-align:top}th{background:var(--surface-2);font-weight:800;white-space:nowrap}
.steps{counter-reset:s;list-style:none;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.steps li{counter-increment:s;padding:20px;border:1px solid var(--line);background:var(--surface);border-radius:var(--radius)}
.steps li::before{content:'0' counter(s);display:block;font-weight:800;color:var(--accent);margin-bottom:8px}
.sec-dark .steps li{background:#1A1E28;border-color:rgba(255,255,255,.15)}
.checks li{margin-bottom:6px}
/* faq */
.faq-item{border-bottom:1px solid var(--line)}.faq-item summary{cursor:pointer;list-style:none;padding:20px 40px 20px 0;font-weight:700;font-size:1.05rem;position:relative}
.faq-item summary::-webkit-details-marker{display:none}.faq-item summary::after{content:'+';position:absolute;right:6px;top:50%;transform:translateY(-50%);font-size:1.5rem;font-weight:400}
.faq-item[open] summary::after{content:'\2212'}.faq-a{padding:0 0 22px;color:var(--ink-soft);max-width:760px}.faq-a p{margin:0}
.faq-item h3{font-size:inherit;font-weight:inherit;display:inline}
/* sub pages */
.crumb{font-size:.8rem;color:var(--ink-faint);padding:96px 0 14px;display:flex;flex-wrap:wrap;gap:8px}.crumb a:hover{color:var(--accent)}.crumb b{color:var(--ink)}
.page-h1{font-size:clamp(1.9rem,4.6vw,3.2rem);margin-bottom:18px}
.answer{font-size:1.1rem;color:var(--ink);border-left:3px solid var(--accent);padding:4px 0 4px 18px;margin:0 0 28px;max-width:760px}
.article{max-width:820px}.article h2{font-size:clamp(1.3rem,2.6vw,1.8rem);margin:44px 0 14px}.article h3{font-size:1.15rem;margin:28px 0 10px}
.fig{margin:24px 0}.fig img{width:100%;max-width:560px;border:1px solid var(--line)}.fig figcaption{font-size:.84rem;color:var(--ink-faint);margin-top:8px}
.meta-box{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));border:1px solid var(--line);background:var(--surface);margin:20px 0 30px}
.meta-box div{padding:14px 18px;border-right:1px solid var(--line)}.meta-box dt{font-size:.74rem;font-weight:700;color:var(--accent);letter-spacing:.08em}.meta-box dd{margin:2px 0 0;font-weight:600}
blockquote.q{margin:30px 0;padding:18px 22px;background:var(--accent-soft);border-left:3px solid var(--accent)}blockquote.q p{margin:0 0 6px}blockquote.q cite{font-size:.85rem;color:var(--ink-soft);font-style:normal}
.updated{font-size:.82rem;color:var(--ink-faint);margin-top:40px}
.rel{margin-top:56px;padding-top:36px;border-top:1px solid var(--line)}.rel h2{font-size:1.4rem;margin:0 0 18px}
.rel-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.rel-cards a{display:block;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}.rel-cards a:hover{border-color:var(--accent)}
.rel-cards img{width:100%;aspect-ratio:4/3;object-fit:cover}.rel-cards div{padding:14px 16px}.rel-cards strong{display:block;font-size:1rem}.rel-cards small{color:var(--ink-soft);font-size:.84rem}
.cta-box{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
/* footer / floating */
.ftr{background:var(--panel);color:var(--panel-muted);padding:56px 0 100px;font-size:.88rem}.ftr a:hover{color:#fff}
.ftr-top{display:flex;flex-wrap:wrap;gap:12px 26px;margin-bottom:24px;color:var(--panel-text);font-weight:600}
.ftr p{margin:0 0 4px}
.float{position:fixed;right:18px;bottom:18px;z-index:40;padding:.9rem 1.4rem;background:var(--accent);color:#fff;font-weight:700;border-radius:var(--radius);box-shadow:0 4px 14px rgba(0,0,0,.25)}
.float:hover{background:var(--accent-dark)}
@media(max-width:900px){.hdr-nav,.hdr-cta{display:none}.hdr-burger{display:flex}.divided,.cards,.gal,.rel-cards{grid-template-columns:1fr 1fr}.steps{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.divided,.cards,.gal,.rel-cards,.steps{grid-template-columns:1fr}.hero-track img{aspect-ratio:3/4}}
.tbl{-webkit-overflow-scrolling:touch}
.tbl th[scope=row]{position:sticky;left:0;background:var(--surface);z-index:1;box-shadow:1px 0 0 var(--line)}
@media(max-width:640px){table{min-width:480px;font-size:.85rem}th,td{padding:10px 12px}}
/* 세부 페이지 섹션·헤딩 구분 */
.article>section{margin-top:44px;padding-top:36px;border-top:1px solid var(--line)}
.article>section>h2{margin:0 0 18px;padding-left:14px;border-left:4px solid var(--accent)}
.article>section p+p{margin-top:.4em}
.faq-item{border-bottom:1px solid var(--line)}
/* 키워드 세부페이지(메인 디자인) */
.dhero{background:var(--panel);color:#fff;padding:clamp(110px,16vw,170px) 0 clamp(48px,7vw,80px)}
.dhero h1{font-size:clamp(2.4rem,7vw,4.6rem);line-height:1.08;margin:14px 0 20px}.dhero .hero-ans{max-width:720px}
.dhero .crumb,.dhero .crumb a{color:rgba(255,255,255,.7)}.dhero .btn{background:#fff;color:var(--ink);border-color:#fff}
.dtext{max-width:760px}.dtext>p{margin:0 0 1.1em}
.dcase{margin:0 0 56px}.dcase .pair{max-width:640px;margin-bottom:22px}.dcase h3{font-size:1.4rem;margin:0 0 12px}
.sec-invert .dtext{margin-top:28px}.divided+blockquote.q,.dtext+.divided{margin-top:28px}
@media(max-width:760px){.dcase .pair{max-width:none}}
.dhero .crumb b{color:#fff}
.dhero{background-size:cover;background-position:center}
.dcase .pair{margin:0 auto 36px}
.dtext figure,.dtext .fig{margin-left:auto;margin-right:auto}
.dphotos{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin:28px 0 36px}.dphotos figure{margin:0;flex:0 1 300px}.dphotos img{width:100%;aspect-ratio:3/4;object-fit:cover}.dphotos figcaption{font-size:.84rem;color:var(--ink-soft);margin-top:8px;text-align:center}