/* ===== local web fonts (subset KS X 1001 + ASCII) ===== */
@font-face{font-family:"Pretendard";font-weight:400;font-style:normal;font-display:swap;src:url(/assets/fonts/Pretendard-Regular.woff2) format("woff2")}
@font-face{font-family:"Pretendard";font-weight:500 600;font-style:normal;font-display:swap;src:url(/assets/fonts/Pretendard-SemiBold.woff2) format("woff2")}
@font-face{font-family:"Pretendard";font-weight:700 800;font-style:normal;font-display:swap;src:url(/assets/fonts/Pretendard-Bold.woff2) format("woff2")}
@font-face{font-family:"Gowun Batang";font-weight:400;font-style:normal;font-display:swap;src:url(/assets/fonts/GowunBatang-Regular.woff2) format("woff2")}
@font-face{font-family:"Gowun Batang";font-weight:700;font-style:normal;font-display:swap;src:url(/assets/fonts/GowunBatang-Bold.woff2) format("woff2")}
@font-face{font-family:"IBM Plex Mono";font-weight:400 500;font-style:normal;font-display:swap;src:url(/assets/fonts/IBMPlexMono-Regular.woff2) format("woff2")}

/* ===== approved home design (from interactive-site/index.html) ===== */
:root{
  --bg:#141210; --bg-2:#1d1a17; --bg-3:#26221e;
  --ink:#ece6dc; --ink-2:#a69d90; --ink-3:#9a9185;
  --rule:rgba(236,230,220,.14); --rule-2:rgba(236,230,220,.3);
  --ember:#e8622c; --ember-ink:#ff8a57; --water:#4f8fb8;
  --sans:"Pretendard","Apple SD Gothic Neo","Noto Sans KR",system-ui,sans-serif;
  --serif:"Gowun Batang","Nanum Myeongjo","AppleMyungjo","Noto Serif KR",serif;
  --mono:"IBM Plex Mono","Pretendard",ui-monospace,"SF Mono",Menlo,Consolas,"D2Coding",monospace;
  --pad:clamp(20px,5vw,64px); --max:1240px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:400 16px/1.65 var(--sans);word-break:keep-all;overflow-wrap:break-word;padding-bottom:76px;-webkit-font-smoothing:antialiased}
@media (min-width:900px){body{padding-bottom:0}}
img{display:block;max-width:100%}
a{color:inherit}
h1,h2,h3{font-family:var(--serif);font-weight:700;letter-spacing:-.01em;line-height:1.25;margin:0}
p{margin:0}
.mono{font-family:var(--mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-2)}
.wrap{max-width:var(--max);margin:0 auto;padding:0 var(--pad)}
.sec{padding:clamp(72px,11vw,144px) 0;border-top:1px solid var(--rule)}
.sec-head{display:grid;gap:14px;margin-bottom:clamp(36px,6vw,64px);max-width:720px}
.sec-head h2{font-size:clamp(28px,4.6vw,46px)}
.sec-head p.lead{color:var(--ink-2);font-size:16px}
:focus-visible{outline:2px solid var(--ember);outline-offset:3px}
.skip{position:absolute;left:-9999px;top:0;min-height:44px;min-width:44px;padding:0 16px;display:inline-flex;align-items:center}
.skip:focus{left:12px;top:12px;z-index:100;background:var(--ember);color:#141210;padding:0 16px;min-height:44px;display:inline-flex;align-items:center}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:52px;padding:0 22px;border:1px solid var(--rule-2);color:var(--ink);text-decoration:none;font:600 15px/1 var(--sans);border-radius:2px;transition:background .2s,border-color .2s,color .2s;cursor:pointer;background:transparent}
.btn:hover{border-color:var(--ink)}
.btn--ember{background:var(--ember);border-color:var(--ember);color:#160c06}
.btn--ember:hover{background:var(--ember-ink);border-color:var(--ember-ink)}
.btn .num{font-family:var(--mono);font-weight:400;letter-spacing:.02em}

/* nav */
.nav{position:absolute;top:0;left:0;right:0;z-index:50;border-bottom:1px solid transparent}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{font:700 17px/1 var(--serif);text-decoration:none;display:flex;align-items:center;gap:10px;min-height:44px}
.nav ul{display:none;list-style:none;margin:0;padding:0;gap:28px}
.nav ul a{text-decoration:none;font-size:14px;color:var(--ink-2)}
.nav ul a:hover{color:var(--ink)}
.nav .btn{display:none;min-height:40px;font-size:14px;padding:0 16px}
.nav .m-tel{font-family:var(--mono);font-size:13px;text-decoration:none;color:var(--ink);padding:12px 0}
@media (min-width:900px){
  .nav{position:sticky;background:rgba(20,18,16,.94);border-bottom-color:var(--rule)}
  .nav ul{display:flex}.nav .btn{display:inline-flex}.nav .m-links{display:none}
}

/* hero */
.hero{position:relative;min-height:100svh;display:flex;align-items:flex-end;overflow:hidden;background:var(--bg-2)}
@media (min-width:900px){.hero{margin-top:-64px;min-height:max(680px,100vh)}}
.hero img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(20deg,rgba(14,12,10,.94) 0%,rgba(14,12,10,.7) 38%,rgba(14,12,10,.12) 75%)}
.hero .wrap{position:relative;z-index:1;width:100%;padding-bottom:clamp(48px,9vw,112px);padding-top:120px}
.hero-copy{max-width:720px;display:grid;gap:22px}
.hero .mono{color:var(--ember-ink);display:flex;align-items:center;gap:10px}
.hero .mono::before{content:"";width:28px;height:1px;background:var(--ember)}
.hero h1{font-size:clamp(34px,6.6vw,72px);line-height:1.18}
.hero h1 span{display:block}
.hero .sub{color:#d6cfc3;font-size:clamp(16px,1.8vw,19px);max-width:520px}
.hero .ctas{display:flex;flex-wrap:wrap;gap:12px;margin-top:8px}
.hero .ctas .btn{flex:1 1 220px;max-width:300px}

/* reveal */
.js .rv{opacity:0;transform:translateY(18px);transition:opacity .8s ease,transform .8s ease}
.js .rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.js .rv{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}}

/* before after */
.ba-grid{display:grid;gap:28px}
@media (min-width:900px){.ba-grid{grid-template-columns:1fr 2.2fr;align-items:end;gap:56px}}
.ba{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--bg-2);touch-action:pan-y;user-select:none;-webkit-user-select:none;cursor:ew-resize}
.ba img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;pointer-events:none}
.ba .after{clip-path:inset(0 0 0 var(--pos,50%))}
.ba .tag{position:absolute;top:14px;font-family:var(--mono);font-size:12px;letter-spacing:.12em;padding:6px 10px;background:rgba(20,18,16,.78);color:var(--ink);pointer-events:none}
.ba .tag.b{left:14px}.ba .tag.a{right:14px;background:var(--ember);color:#160c06}
.ba .handle{position:absolute;top:0;bottom:0;left:var(--pos,50%);width:2px;margin-left:-1px;background:var(--ink);pointer-events:none}
.ba .knob{position:absolute;top:50%;left:var(--pos,50%);width:48px;height:48px;margin:-24px 0 0 -24px;border-radius:50%;background:var(--ink);color:var(--bg);display:grid;place-items:center;pointer-events:none;box-shadow:0 2px 12px rgba(0,0,0,.4)}
.ba:focus-visible{outline-offset:4px}
.ba-cap{margin-top:16px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px 20px;border-top:1px solid var(--rule);padding-top:14px}
.ba-cap p:first-child{font-size:15px}
.ba-note{color:var(--ink-3);font-size:13px}

/* diagnosis */
.dx{display:grid;gap:32px}
@media (min-width:900px){.dx{grid-template-columns:1.1fr 1fr;gap:64px;align-items:start}}
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{min-height:48px;padding:10px 18px 10px 14px;border:1px solid var(--rule-2);background:transparent;color:var(--ink);font:500 15px/1.3 var(--sans);border-radius:2px;cursor:pointer;display:inline-flex;align-items:center;gap:10px;text-align:left;word-break:keep-all;transition:background .15s,border-color .15s}
.chip::before{content:"";width:14px;height:14px;border:1px solid var(--ink-2);flex:none;transition:all .15s}
.chip:hover{border-color:var(--ink)}
.chip[aria-pressed="true"]{border-color:var(--ember);background:#2e1d14;color:var(--ink)}
.chip[aria-pressed="true"]::before{background:var(--ember);border-color:var(--ember);box-shadow:inset 0 0 0 3px var(--bg)}
.dx-hint{margin-top:18px;color:var(--ink-3);font-size:13px}
.panel{background:var(--bg-2);border:1px solid var(--rule);padding:clamp(22px,3vw,34px)}
@media (min-width:900px){.panel{position:sticky;top:96px}}
.panel-top{display:flex;justify-content:space-between;align-items:baseline;border-bottom:1px solid var(--rule);padding-bottom:14px;margin-bottom:18px}
.panel .empty{color:var(--ink-2);padding:28px 0;font-family:var(--serif);font-size:20px;line-height:1.5}
.plan{list-style:none;margin:0;padding:0;counter-reset:s}
.plan li{counter-increment:s;display:grid;grid-template-columns:40px 1fr;gap:6px;padding:12px 0;border-bottom:1px solid var(--rule);animation:pin .35s ease}
.plan li::before{content:counter(s,decimal-leading-zero);font-family:var(--mono);font-size:13px;color:var(--ember-ink);padding-top:2px}
.plan li.fin{color:var(--ink-2)}
.plan li.fin::before{color:var(--ink-3)}
@keyframes pin{from{opacity:0;transform:translateX(-6px)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){.plan li{animation:none}}
.dur{margin-top:22px;display:grid;gap:4px}
.dur strong{font:700 clamp(24px,3vw,30px)/1.25 var(--serif);color:var(--ink)}
.dur strong.cap{font-size:20px}
.panel .btn{width:100%;margin-top:22px}
.panel .fine{margin-top:12px;font-size:12px;color:var(--ink-3)}

/* services */
.svc{display:grid;gap:clamp(64px,9vw,120px)}
.row{display:grid;gap:22px;align-items:center}
.row figure{margin:0;overflow:hidden;aspect-ratio:4/3;background:var(--bg-2)}
.row img{width:100%;height:100%;object-fit:cover}
.row .txt{display:grid;gap:14px;max-width:440px}
.row h3{font-size:clamp(24px,3.4vw,36px)}
.row .txt p:last-child{color:#cfc8bc;font-size:17px}
@media (min-width:900px){
  .row{grid-template-columns:7fr 5fr;gap:64px}
  .row:nth-child(even){grid-template-columns:5fr 7fr}
  .row:nth-child(even) figure{order:2}
  .row:nth-child(odd) .txt{padding-right:20px}
  .row:nth-child(even) .txt{justify-self:end}
  .row figure{aspect-ratio:3/2}
}
@media (max-width:899px){.row figure{margin:0 calc(var(--pad)*-1)}}

/* stepper */
.steps{list-style:none;margin:0;padding:0;display:flex;gap:0;border-top:1px solid var(--rule-2)}
.steps li{flex:1 1 0;min-width:0;border-right:1px solid var(--rule);transition:flex-grow .45s ease}
.steps li:last-child{border-right:0}
.steps li.on{flex-grow:2.4}
.steps button{all:unset;box-sizing:border-box;display:grid;gap:10px;width:100%;padding:22px 20px 26px;cursor:pointer;min-height:100%;position:relative}
.steps button::before{content:"";position:absolute;top:-1px;left:0;height:3px;width:0;background:var(--ember);transition:width .45s ease}
.steps li.on button::before{width:100%}
.steps .n{font-family:var(--mono);font-size:13px;color:var(--ink-3)}
.steps li.on .n{color:var(--ember-ink)}
.steps .t{font:700 18px/1.35 var(--serif)}
.steps .d{color:var(--ink-2);font-size:15px;max-height:0;opacity:0;overflow:hidden;transition:opacity .35s ease,max-height .45s ease}
.steps li.on .d{max-height:120px;opacity:1}
.steps button:focus-visible{outline:2px solid var(--ember);outline-offset:-2px}
.steps-nav{display:none}
@media (max-width:899px){
  .steps{overflow-x:auto;scroll-snap-type:x mandatory;margin:0 calc(var(--pad)*-1);padding:0 var(--pad);border-top:0;scrollbar-width:none;gap:10px}
  .steps::-webkit-scrollbar{display:none}
  .steps li,.steps li.on{flex:0 0 76%;scroll-snap-align:start;border:1px solid var(--rule);background:var(--bg-2)}
  .steps li:last-child{border-right:1px solid var(--rule)}
  .steps .d{max-height:none;opacity:1}
  .steps li:not(.on) .d{color:var(--ink-3)}
  .steps-nav{display:flex;justify-content:space-between;align-items:center;margin-top:16px}
  .steps-nav .bar{flex:1;height:1px;background:var(--rule);margin-right:16px;position:relative}
  .steps-nav .bar i{position:absolute;left:0;top:-1px;height:3px;background:var(--ember);transition:width .3s}
}

/* leak */
.leak{background:#121518;border-top:1px solid rgba(79,143,184,.3)}
.leak .mono{color:var(--water)}
.leak .row figure{border-bottom:2px solid var(--water)}
.leak :focus-visible{outline-color:var(--water)}
.lsteps{list-style:none;margin:clamp(64px,9vw,112px) 0 0;padding:0;display:grid;grid-template-columns:1fr 1fr;border-top:1px solid rgba(79,143,184,.45)}
@media (min-width:900px){.lsteps{grid-template-columns:repeat(4,1fr)}}
.lsteps li{padding:20px 20px 22px 0;border-bottom:1px solid var(--rule);display:grid;gap:6px;position:relative}
.lsteps li span{font-family:var(--mono);font-size:12px;color:var(--water)}
.lsteps li b{font:700 19px/1.35 var(--serif)}
@media (min-width:900px){.lsteps li:not(:last-child)::after{content:"→";position:absolute;right:20px;top:20px;font-family:var(--mono);color:var(--water)}}
.lcta{margin-top:40px;display:flex;flex-wrap:wrap;align-items:center;gap:14px 24px;padding-left:16px;border-left:2px solid var(--water)}
.lcta p{font:700 clamp(18px,2.2vw,22px)/1.4 var(--serif);flex:1 1 260px}
.lcta .acts{display:flex;flex-wrap:wrap;gap:12px}
.btn--water{background:var(--water);border-color:var(--water);color:#0b1218}
.btn--water:hover{background:#6aa6cc;border-color:#6aa6cc}
.hero .wlink{color:var(--water);font-size:14px;text-decoration:none;display:inline-flex;align-items:center;min-height:44px;justify-self:start;margin-top:-6px}
.hero .wlink span{border-bottom:1px solid rgba(79,143,184,.6);padding-bottom:2px}
.hero .wlink:hover{color:#7fb3d6}
.nav .m-links{display:flex;align-items:center;gap:18px}
.nav .m-leak{font-size:14px;text-decoration:none;color:var(--ink);display:inline-flex;align-items:center;gap:8px;min-height:44px}
.nav .m-leak::before{content:"";width:6px;height:6px;background:var(--water)}

/* diagnosis mode toggle */
.seg{display:inline-flex;border:1px solid var(--rule-2);border-radius:2px;margin-bottom:20px;padding:3px;gap:3px}
.seg button{min-height:44px;padding:0 20px;border:0;background:transparent;color:var(--ink-2);font:600 15px/1 var(--sans);border-radius:1px;cursor:pointer;transition:background .15s,color .15s}
.seg button:hover{color:var(--ink)}
.seg button[aria-pressed="true"]{background:var(--ember);color:#160c06}
.seg button[data-m="w"][aria-pressed="true"]{background:var(--water);color:#0b1218}
.chips[hidden]{display:none}
.chips.w .chip[aria-pressed="true"]{border-color:var(--water);background:#14222d}
.chips.w .chip[aria-pressed="true"]::before{background:var(--water);border-color:var(--water)}
.chips.w .chip:focus-visible{outline-color:var(--water)}
.panel.w{border-color:rgba(79,143,184,.45);box-shadow:inset 0 2px 0 var(--water)}
.panel.w .panel-top .mono:first-child{color:var(--water)}
.panel.w .plan li::before{color:var(--water)}

/* faq */
.faq-grid{display:grid;gap:24px}
@media (min-width:900px){.faq-grid{grid-template-columns:4fr 7fr;gap:64px}}
.faq details{border-top:1px solid var(--rule)}
.faq details:last-child{border-bottom:1px solid var(--rule)}
.faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:22px 0;min-height:56px;font:700 clamp(18px,2.2vw,21px)/1.4 var(--serif)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font:400 22px/1 var(--mono);color:var(--ember-ink);transition:transform .25s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{padding:0 0 24px;color:#cfc8bc;max-width:560px}

/* final cta */
.final{background:var(--bg-2);border-top:3px solid var(--ember);padding:clamp(72px,11vw,140px) 0}
.final .wrap{display:grid;gap:22px}
.final h2{font-size:clamp(28px,5vw,52px);max-width:14em}
.final .big{font:400 clamp(36px,9vw,104px)/1 var(--mono);letter-spacing:-.02em;color:var(--ember);text-decoration:none;display:inline-block;margin:0 0 4px;padding:8px 0}
.final .big:hover{color:var(--ember-ink)}
.final .btn{justify-self:start;min-width:240px}

/* footer */
.foot{padding:40px 0 48px;border-top:1px solid var(--rule);font-size:14px;color:var(--ink-2)}
.foot .wrap{display:grid;gap:10px}
.foot .line{display:flex;flex-wrap:wrap;gap:6px 14px}
.foot .line b{color:var(--ink);font-weight:600}
.foot a{text-decoration:none;display:inline-flex;align-items:center;min-height:44px}
.foot .line{align-items:center}
.foot small{font-size:12px;color:var(--ink-3)}

/* mobile call bar */
.callbar{position:fixed;left:0;right:0;bottom:0;z-index:60;padding:10px 12px calc(10px + env(safe-area-inset-bottom));background:rgba(20,18,16,.97);border-top:1px solid var(--rule)}
.callbar a{display:flex;align-items:center;justify-content:center;gap:10px;min-height:52px;background:var(--ember);color:#160c06;text-decoration:none;font:700 16px/1 var(--sans);border-radius:2px}
.callbar a .num{font-family:var(--mono);font-weight:500}
@media (min-width:900px){.callbar{display:none}}

/* ===== multi-page additions ===== */
:root{--acc:var(--ember);--acc-ink:var(--ember-ink)}
.t-water{--acc:var(--water);--acc-ink:#7fb3d6}
.t-water :focus-visible{outline-color:var(--water)}
.brand svg{width:26px;height:26px;flex:none}
.brand span{white-space:nowrap}
.nav ul{gap:24px}
.nav ul a[aria-current="page"]{color:var(--ink);box-shadow:inset 0 -1px 0 var(--acc)}
.nav ul a{display:inline-flex;align-items:center;min-height:44px}
@media (min-width:900px) and (max-width:1199px){.nav ul{gap:18px}.nav ul a{font-size:13.5px}.nav .btn .num{display:none}}
.nav .m-links{gap:14px}
.menu summary{list-style:none;cursor:pointer;min-height:44px;min-width:44px;display:inline-flex;align-items:center;justify-content:flex-end;gap:8px;font-size:14px;color:var(--ink)}
.menu summary::-webkit-details-marker{display:none}
.menu summary::after{content:"";width:16px;height:9px;border-top:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transition:transform .2s}
.menu[open] summary::after{transform:scaleY(.4)}
.menu-panel{position:absolute;left:0;right:0;top:64px;background:var(--bg);border-top:1px solid var(--rule);border-bottom:1px solid var(--rule-2);padding:6px var(--pad) 22px;display:grid;box-shadow:0 18px 40px rgba(0,0,0,.45);max-height:calc(100svh - 64px);overflow:auto}
.menu-panel a{display:flex;align-items:center;justify-content:space-between;min-height:52px;border-bottom:1px solid var(--rule);text-decoration:none;font:700 18px/1.3 var(--serif)}
.menu-panel a::after{content:"→";font:400 14px/1 var(--mono);color:var(--ink-3)}
.menu-panel .btn{margin-top:16px;font-family:var(--sans);font-size:15px}
.menu-panel .btn::after{content:none}
@media (min-width:900px){.menu{display:none}}

.row .txt p.more{font-size:14px;color:inherit}
.row .txt p.more a{color:var(--ember-ink);text-decoration:none;display:inline-flex;align-items:center;min-height:44px;border-bottom:1px solid transparent}
.row .txt p.more a:hover{border-bottom-color:currentColor}
.leak .row .txt p.more a{color:#7fb3d6}

/* page hero */
.phero{position:relative;display:flex;align-items:flex-end;overflow:hidden;background:var(--bg-2);min-height:min(640px,92svh)}
.phero>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.phero::after{content:"";position:absolute;inset:0;background:linear-gradient(20deg,rgba(14,12,10,.95) 0%,rgba(14,12,10,.74) 42%,rgba(14,12,10,.2) 80%)}
.phero .wrap{position:relative;z-index:1;width:100%;padding-top:104px;padding-bottom:clamp(40px,7vw,88px)}
@media (min-width:900px){.phero{min-height:560px}.phero .wrap{padding-top:72px}}
.phero .hero-copy{max-width:760px;display:grid;gap:18px}
.phero h1{font-size:clamp(30px,5.2vw,58px);line-height:1.2}
.phero .sub{color:#d6cfc3;font-size:clamp(16px,1.8vw,19px);max-width:560px}
.phero .eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.08em;color:var(--acc-ink);display:flex;align-items:center;gap:10px}
.phero .eyebrow::before{content:"";width:28px;height:1px;background:var(--acc)}
.phero .ctas{display:flex;flex-wrap:wrap;gap:12px;margin-top:6px}
.phero .ctas .btn{flex:1 1 200px;max-width:300px}
.phero--plain{min-height:0;background:var(--bg)}
.phero--plain::after{display:none}
.phero--plain .wrap{padding-bottom:clamp(36px,5vw,56px)}
.t-water .phero{border-bottom:2px solid var(--water)}
.btn--acc{background:var(--acc);border-color:var(--acc);color:#160c06}
.btn--acc:hover{background:var(--acc-ink);border-color:var(--acc-ink)}
.t-water .btn--acc{color:#0b1218}

/* breadcrumb */
.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:4px 8px;margin:0;padding:0;font-family:var(--mono);font-size:12px;letter-spacing:.04em;color:var(--ink-2)}
.crumbs li+li::before{content:"/";margin-right:8px;color:var(--ink-3)}
.crumbs a{text-decoration:none;display:inline-flex;align-items:center;min-height:28px}
.crumbs a:hover{color:var(--ink)}
.crumbs [aria-current]{color:var(--ink)}

/* facts strip */
.strip{border-top:1px solid var(--rule)}
.facts{list-style:none;margin:0;padding:0;display:grid}
.facts li{display:flex;gap:14px;align-items:baseline;padding:16px 0;border-bottom:1px solid var(--rule);font-size:15px}
.facts li:last-child{border-bottom:0}
.facts li span{font-family:var(--mono);font-size:12px;color:var(--acc-ink)}
@media (min-width:900px){.facts{grid-template-columns:repeat(3,1fr)}.facts li{border-bottom:0;border-right:1px solid var(--rule);padding:20px 24px}.facts li:first-child{padding-left:0}.facts li:last-child{border-right:0}}

.sec--tight{padding:clamp(56px,8vw,104px) 0}
.split{display:grid;gap:28px}
@media (min-width:900px){.split{grid-template-columns:4fr 7fr;gap:64px;align-items:start}}

/* static process */
.flow{list-style:none;margin:0;padding:0;display:grid;border-top:1px solid var(--rule-2)}
.flow li{display:grid;grid-template-columns:44px 1fr;gap:4px 0;padding:20px 0 22px;border-bottom:1px solid var(--rule);position:relative}
.flow .n{font-family:var(--mono);font-size:13px;color:var(--acc-ink);grid-row:span 2;padding-top:3px}
.flow b{font:700 18px/1.4 var(--serif)}
.flow p{color:var(--ink-2);font-size:15px}
@media (min-width:900px){
  .flow{grid-template-columns:repeat(var(--n,4),1fr)}
  .flow li{display:flex;flex-direction:column;gap:10px;border-bottom:0;border-right:1px solid var(--rule);padding:24px 22px 28px}
  .flow li:first-child{padding-left:0}.flow li:last-child{border-right:0}
  .flow li:first-child::before{content:"";position:absolute;top:-1px;left:0;width:48px;height:3px;background:var(--acc)}
}

/* includes */
.ticks{list-style:none;margin:0;padding:0;display:grid;border-top:1px solid var(--rule)}
@media (min-width:640px){.ticks{grid-template-columns:1fr 1fr;column-gap:36px}}
.ticks li{display:flex;gap:14px;align-items:baseline;padding:16px 0;border-bottom:1px solid var(--rule);font-size:16px}
.ticks li::before{content:"";width:9px;height:9px;background:var(--acc);flex:none;transform:translateY(-1px)}

/* link cards */
.cards{display:grid;gap:1px;background:var(--rule);border:1px solid var(--rule)}
@media (min-width:640px){.cards{grid-template-columns:1fr 1fr}}
@media (min-width:1000px){.cards{grid-template-columns:repeat(3,1fr)}}
.cards>a,.cards>div{display:grid;align-content:start;gap:8px;padding:22px 22px 24px;background:var(--bg);text-decoration:none;transition:background .2s}
.cards>a:hover{background:var(--bg-2)}
.cards .mono{color:var(--ember-ink)}
.cards .w .mono{color:#7fb3d6}
.cards b{font:700 20px/1.35 var(--serif)}
.cards p{color:var(--ink-2);font-size:15px}
.cards .go{color:var(--ink);font-size:14px;margin-top:4px}
.cards>a:hover .go{color:var(--acc-ink)}
.notes>div b{font-size:19px}

.alinks{display:flex;flex-wrap:wrap;gap:8px}
.alinks a{min-height:44px;padding:0 16px;border:1px solid var(--rule-2);display:inline-flex;align-items:center;text-decoration:none;font-size:15px;border-radius:2px;transition:border-color .15s,background .15s}
.alinks a:hover{border-color:var(--acc);background:var(--bg-2)}
.alinks a[aria-current]{border-color:var(--acc);color:var(--acc-ink)}
.tags{display:flex;flex-wrap:wrap;gap:6px 8px;list-style:none;margin:0;padding:0}
.tags li{font-size:14px;color:var(--ink-2);padding:6px 12px;background:var(--bg-2);border:1px solid var(--rule)}
.sub-block{margin-top:40px;display:grid;gap:14px}
#areas .dx-hint a{color:var(--ink-2)}

/* prose */
.prose{max-width:700px;display:grid;gap:14px}
.prose h2{font-size:clamp(22px,3vw,30px);margin-top:22px}
.prose h2:first-child{margin-top:0}
.prose h3{font-size:clamp(19px,2.4vw,22px);margin-top:18px}
.prose p{color:#cfc8bc;font-size:17px;line-height:1.85}
.prose a{color:var(--acc-ink)}
.prose ul{margin:0;padding-left:1.2em;color:#cfc8bc;display:grid;gap:6px}
.detail{background:var(--bg-2)}
.detail .wrap{display:grid;gap:28px}
@media (min-width:900px){.detail .wrap{grid-template-columns:4fr 7fr;gap:64px}}

/* guide article */
.article{display:grid;gap:48px}
@media (min-width:1000px){.article{grid-template-columns:minmax(0,7fr) minmax(0,4fr);gap:72px;align-items:start}}
.article figure{margin:0 0 8px}
.article figure img{width:100%;height:auto;aspect-ratio:16/9;object-fit:cover}
.article figcaption{font-size:13px;color:var(--ink-3);margin-top:8px}
.summary-box{border-left:2px solid var(--acc);padding:4px 0 4px 18px;color:var(--ink);font-size:16px}
.aside{display:grid;gap:20px}
@media (min-width:1000px){.aside{position:sticky;top:96px}}
.aside .panel{position:static}
.aside .panel .big{font:400 28px/1.1 var(--mono);color:var(--ember);text-decoration:none;display:block;margin-top:10px}
.meta-line{font-family:var(--mono);font-size:12px;color:var(--ink-3);letter-spacing:.04em}

/* contact */
.contact-big{font:400 clamp(34px,8vw,88px)/1 var(--mono);letter-spacing:-.02em;color:var(--ember);text-decoration:none;display:inline-block;padding:8px 0}
.contact-big:hover{color:var(--ember-ink)}
.checklist{list-style:none;margin:0;padding:0;counter-reset:c;border-top:1px solid var(--rule)}
.checklist li{counter-increment:c;display:grid;grid-template-columns:44px 1fr;padding:16px 0;border-bottom:1px solid var(--rule);font-size:16px}
.checklist li::before{content:counter(c,decimal-leading-zero);font-family:var(--mono);font-size:13px;color:var(--ember-ink);padding-top:3px}

/* faq page groups */
.faq-group+.faq-group{margin-top:56px}
.faq-group h2{font-size:clamp(22px,3vw,28px);margin-bottom:8px}
.faq-group .mono a{color:inherit}

.final .ctas{display:flex;flex-wrap:wrap;gap:12px}
.t-water .final{border-top-color:var(--water)}

/* footer */
.foot-grid{display:grid;gap:28px;padding-bottom:28px;margin-bottom:14px;border-bottom:1px solid var(--rule)}
@media (min-width:640px){.foot-grid{grid-template-columns:1fr 1fr}}
@media (min-width:1000px){.foot-grid{grid-template-columns:1.3fr 1fr 1fr 1.2fr}}
.foot-grid .mono{font-size:11px;color:var(--ink-3);margin-bottom:4px}
.foot-grid ul{list-style:none;margin:0 0 14px;padding:0;display:grid}
.foot-grid ul.cols2{grid-template-columns:1fr 1fr;column-gap:16px}
.foot-grid ul a{min-height:36px;color:var(--ink-2)}
.foot-grid ul a:hover,.foot .line a:hover{color:var(--ink)}
.foot-grid .about{display:grid;gap:8px;align-content:start}
.foot-grid .about .brand{color:var(--ink)}
.foot-grid .about p{line-height:1.8}

/* fixes */
[hidden]{display:none!important}
@media (min-width:900px){.nav .m-links{display:none}}
@media (max-width:899px){
  .hero .wrap{padding-bottom:calc(clamp(48px,9vw,112px) + 64px)}
  .phero::before{content:"";position:absolute;left:0;right:0;top:0;height:140px;z-index:1;background:linear-gradient(rgba(14,12,10,.82),rgba(14,12,10,0));pointer-events:none}
  .phero--plain::before{display:none}
}

/* sister site (메가누수케어) */
.nav .sister{display:none;font-size:13px;color:#7fb3d6;text-decoration:none;align-items:center;gap:8px;min-height:44px;white-space:nowrap}
.nav .sister::before{content:"";width:6px;height:6px;background:var(--water)}
.nav .sister:hover{color:var(--ink)}
@media (min-width:900px){.nav .sister{display:inline-flex}.nav .wrap{gap:20px}.nav ul{margin-left:auto}}
@media (min-width:900px) and (max-width:1099px){.nav ul li:nth-child(5){display:none}}
.menu-panel .m-sister{color:#7fb3d6}
.menu-panel .m-sister small{font:400 11px/1 var(--mono);color:var(--ink-3);margin-left:auto;margin-right:12px}
.lcta .lsub{flex-basis:100%;font:400 14px/1.5 var(--sans)}
.lcta .lsub a{color:var(--ink-2);display:inline-flex;align-items:center;min-height:44px}
.lcta .lsub a:hover{color:var(--ink)}
.foot .family a{color:var(--ink-2)}