:root{
  --paper:#FFFDF7; --paper-2:#FFF3D2; --ink:#1A2E4A; --muted:#5B6274; --line:#1A2E4A1A;
  --accent:#946E00; --mark:#FFC200;
  --menu-bg:#FFFBEF; --menu-ink:#1A2E4A; --menu-faint:#1A2E4A59; --menu-soft:#1A2E4AB3; --menu-line:#1A2E4A1A;
  --gold-band:#FFC928; --foot-bg:#FFF3D2; --logo:#C99A00; --warm:#2A1E0B;
  --night:#0F1B2D; --menu:#13233A; --on-dark:#F7F4EC; --on-dark-soft:#F7F4ECBF; --on-dark-faint:#F7F4EC5E; --glow:#FFC200;
  --f-display:"Hahmlet","Noto Serif KR","Apple SD Gothic Neo","Malgun Gothic",serif;
  --f-body:"IBM Plex Sans KR","Noto Sans KR","Apple SD Gothic Neo","Malgun Gothic",sans-serif;
  --f-mono:"IBM Plex Mono",ui-monospace,"SFMono-Regular",Menlo,monospace;
  --gutter:clamp(18px,4vw,56px);
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;color-scheme:light}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--f-body);font-size:16px;line-height:1.65;word-break:keep-all}
html.menu-open{overflow:hidden}
a{color:inherit}
:focus-visible{outline:2px solid var(--glow);outline-offset:3px}
.skip{position:absolute;left:-999px;top:8px;background:#fff;color:#000;padding:8px 12px;z-index:100}
.skip:focus{left:8px}

/* ---------- header ---------- */
.hdr{position:fixed;inset:0 0 auto 0;z-index:40;display:flex;align-items:center;justify-content:space-between;
  padding-block:22px;padding-inline:var(--gutter);color:var(--on-dark);pointer-events:none}
.hdr > *{pointer-events:auto}
.hdr{transition:background .3s ease,padding .3s ease}
.hdr.is-solid{background:#13233AF0;padding-block:14px;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}
html.menu-open .hdr.is-solid{background:transparent}
.logo{display:flex;align-items:baseline;gap:10px;text-decoration:none}
.logo__en{font-family:var(--f-display);font-weight:600;font-size:21px;letter-spacing:.14em}
.logo__ko{font-size:12px;letter-spacing:.04em;color:var(--on-dark-soft)}
.hdr__right{display:flex;align-items:center;gap:22px}
.hdr__cta{font-size:14px;text-decoration:none;padding-block:4px;border-bottom:1px solid var(--on-dark-faint)}
.hdr__cta:hover{border-color:var(--on-dark)}
.menu-btn{display:flex;align-items:center;gap:12px;background:none;border:0;color:inherit;cursor:pointer;padding:6px 0;font:500 12px/1 var(--f-mono);letter-spacing:.18em}
.menu-btn__icon{position:relative;width:26px;height:12px}
.menu-btn__icon::before,.menu-btn__icon::after{content:"";position:absolute;left:0;right:0;height:1.5px;background:currentColor;transition:transform .35s ease,top .35s ease}
.menu-btn__icon::before{top:2px}.menu-btn__icon::after{top:9px}
html.menu-open .menu-btn__icon::before{top:5.5px;transform:rotate(45deg)}
html.menu-open .menu-btn__icon::after{top:5.5px;transform:rotate(-45deg)}

/* ---------- hero ---------- */
.hero{position:relative;height:100svh;min-height:600px;overflow:hidden;background:var(--night);color:var(--on-dark)}
.hero__media{position:absolute;inset:0}
.hero__slide{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity .9s ease}
.hero__slide.is-active{opacity:1;animation:settle 6s ease-out both}
@keyframes settle{from{transform:scale(1.045)}to{transform:scale(1)}}
.hero__shade{position:absolute;inset:0;background:
  linear-gradient(180deg,#0F1B2D99 0%,#0F1B2D33 26%,#0F1B2D2E 52%,#0F1B2DD9 100%),
  linear-gradient(90deg,#0F1B2D8C 0%,#0F1B2D00 60%)}
.hero__body{position:absolute;left:var(--gutter);right:var(--gutter);bottom:clamp(56px,11vh,120px);max-width:1120px}
.hero__kicker{font:500 12px/1 var(--f-mono);letter-spacing:.2em;color:var(--glow);margin:0 0 22px}
.hero__title{font-family:var(--f-display);font-weight:500;font-size:clamp(34px,5.6vw,76px);line-height:1.16;letter-spacing:-.025em;margin:0;text-wrap:balance}
.hero__title span{display:block}
.hero__sub{margin:22px 0 0;max-width:34em;font-size:clamp(15px,1.35vw,18px);color:var(--on-dark-soft)}
.hero__actions{display:flex;flex-wrap:wrap;align-items:center;gap:14px 28px;margin-top:30px}
.btn{display:inline-flex;align-items:center;gap:10px;text-decoration:none;font-weight:500;font-size:15px}
.btn--solid{background:var(--glow);color:var(--night);padding:13px 22px;border-radius:2px;font-weight:600;transition:background .25s}
.btn--solid:hover{background:#FFD34D}
.btn--line{position:relative;padding-block:6px}
.btn--line::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:currentColor;transform-origin:left;transform:scaleX(.35);transition:transform .35s ease}
.btn--line:hover::after{transform:scaleX(1)}
.arrow{transition:transform .25s}.btn:hover .arrow{transform:translateX(4px)}

/* ---------- fullscreen menu ---------- */
.menu{position:fixed;inset:0;z-index:30;background:var(--menu);color:var(--on-dark);display:grid;grid-template-rows:1fr auto;
  padding-block:110px 34px;padding-inline:var(--gutter);opacity:0;visibility:hidden;transition:opacity .4s ease,visibility 0s .4s}
html.menu-open .menu{opacity:1;visibility:visible;transition:opacity .4s ease}
.menu__main{list-style:none;margin:0;padding:0;align-self:center;display:grid;gap:10px}
.menu__item{display:grid;grid-template-columns:minmax(0,auto) 1fr;align-items:center;gap:28px}
.menu__link{font-family:var(--f-display);font-weight:500;font-size:clamp(24px,2.5vw,34px);line-height:1.5;letter-spacing:-.02em;text-decoration:none;color:var(--on-dark-faint);transition:color .25s}
.menu__sub{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px 22px;font-size:14px;color:var(--on-dark-soft);opacity:0;transform:translateX(-8px);transition:all .3s}
.menu__sub a{text-decoration:none}.menu__sub a:hover{color:var(--on-dark)}
.menu__item:hover .menu__link,.menu__item:focus-within .menu__link{color:var(--on-dark)}
.menu__item:hover .menu__sub,.menu__item:focus-within .menu__sub{opacity:1;transform:none}
.menu__foot{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px 24px;border-top:1px solid #FFFFFF1F;padding-top:20px;font-size:13px;color:var(--on-dark-soft)}
.menu__foot nav{display:flex;flex-wrap:wrap;gap:6px 20px}.menu__foot a{text-decoration:none}.menu__foot a:hover{color:var(--on-dark)}
.menu__foot span{font-family:var(--f-mono);font-size:12px;letter-spacing:.06em}

/* ---------- below the fold ---------- */
.wrap{max-width:1120px;margin:0 auto;padding-inline:var(--gutter)}
.band{padding-block:clamp(72px,10vw,120px)}
.eyebrow{font:500 12px/1 var(--f-mono);letter-spacing:.18em;color:var(--accent);margin:0 0 18px}
.h2{font-family:var(--f-display);font-weight:500;font-size:clamp(28px,3.4vw,44px);line-height:1.25;letter-spacing:-.02em;margin:0;text-wrap:balance;max-width:18em}
.devices{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;margin-top:56px;border-top:1px solid var(--line)}
.device{padding:30px 28px 8px 0;display:grid;gap:14px;align-content:start}
.device + .device{padding-left:28px;border-left:1px solid var(--line)}
.device svg{width:44px;height:44px;stroke:var(--ink);fill:none;stroke-width:1.4}
.device h3{margin:0;font-size:19px;font-weight:600}
.device p{margin:0;color:var(--muted);max-width:26em}
.life{margin-top:clamp(72px,9vw,110px);display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.3fr);gap:40px 64px;align-items:end}
.life p.lead{margin:18px 0 0;color:var(--muted);max-width:30em}
.ages{position:relative;list-style:none;margin:0;padding:0;display:flex;justify-content:space-between;padding-top:26px}
.ages::before{content:"";position:absolute;left:6px;right:6px;top:5px;height:1px;background:linear-gradient(90deg,var(--line),var(--mark))}
.ages li{position:relative;font-weight:500;font-size:15px}
.ages li::before{content:"";position:absolute;left:0;top:-26px;width:11px;height:11px;border-radius:50%;background:var(--paper);border:1.5px solid var(--mark)}
.ages li a{text-decoration:none}.ages li a:hover{color:var(--accent)}
.ages li:last-child{text-align:right}.ages li:last-child::before{left:auto;right:0}
.ages li:not(:first-child):not(:last-child){text-align:center}
.ages li:not(:first-child):not(:last-child)::before{left:50%;margin-left:-5.5px}
.facts{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));margin-top:clamp(72px,9vw,110px);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.fact{padding:26px 20px 24px 0;display:grid;gap:6px;align-content:start}
.fact + .fact{padding-left:24px;border-left:1px solid var(--line)}
.fact b{font-family:var(--f-display);font-weight:500;font-size:clamp(28px,3vw,40px);line-height:1.1;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.fact span{font-size:14px;color:var(--muted)}
.options{margin:18px 0 0;font:500 13px/1.6 var(--f-mono);letter-spacing:.03em;color:var(--muted)}
.options em{font-style:normal;color:var(--ink)}
.cta{margin-top:clamp(72px,9vw,110px);background:var(--paper-2);padding:clamp(28px,4vw,48px);display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px 40px}
.cta .h2{font-size:clamp(24px,2.6vw,34px)}
.cta__actions{display:flex;flex-wrap:wrap;gap:12px 24px;align-items:center}
.cta .btn--solid{color:#0F1B2D}
.cta .btn--line{color:var(--ink)}
.foot{border-top:1px solid var(--line);padding-block:26px 40px;font-size:12px;color:var(--muted);display:flex;flex-wrap:wrap;gap:8px 24px;justify-content:space-between}

/* ---------- sub pages ---------- */
.page[hidden]{display:none!important}
.page[data-page="home"]:not([hidden]) ~ .foot{display:none}
.banner{position:relative;min-height:clamp(320px,50vh,460px);display:flex;align-items:flex-end;color:var(--on-dark);background:var(--night) center 40%/cover no-repeat}
.banner::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,#0F1B2D99 0%,#0F1B2D1A 40%,#0F1B2DB3 100%),linear-gradient(90deg,#0F1B2DB3 0%,#0F1B2D59 45%,#0F1B2D00 75%)}
.banner__inner{position:relative;width:100%;max-width:1120px;margin:0 auto;padding-inline:var(--gutter);padding-block:120px 44px}
.banner__kicker{font:500 12px/1 var(--f-mono);letter-spacing:.2em;color:var(--glow);margin:0 0 16px}
.banner__title{font-family:var(--f-display);font-weight:500;font-size:clamp(38px,5.2vw,68px);line-height:1.1;letter-spacing:-.025em;margin:0}
.banner__meta{margin:16px 0 0;font:500 13px/1.5 var(--f-mono);letter-spacing:.04em;color:var(--on-dark-soft)}
.anchor{position:sticky;top:57px;z-index:20;background:var(--paper);border-bottom:1px solid var(--line)}
.anchor__inner{max-width:1120px;margin:0 auto;padding-inline:var(--gutter);display:flex;gap:28px;overflow-x:auto;scrollbar-width:none}
.anchor a{flex:none;padding-block:16px;font-size:14px;color:var(--muted);text-decoration:none;border-bottom:2px solid transparent;margin-bottom:-1px}
.anchor a:hover,.anchor a.is-on{color:var(--ink);border-color:var(--mark)}
.sec{padding-block:clamp(64px,8vw,104px);scroll-margin-top:110px}
.sec + .sec{border-top:1px solid var(--line)}
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:24px 64px;align-items:end}
.split p{margin:0;color:var(--muted);max-width:34em}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:40px 0 8px}
.chip{display:inline-flex;align-items:center;gap:8px;background:transparent;border:1px solid var(--line);color:var(--ink);font:500 14px/1 var(--f-body);padding:10px 14px;border-radius:999px;cursor:pointer;transition:background .2s,border-color .2s,color .2s}
.chip i{width:8px;height:8px;border-radius:50%;background:var(--c,var(--mark));flex:none}
.chip small{font:400 11px/1 var(--f-mono);color:var(--muted)}
.chip:hover{border-color:var(--ink)}
.chip[aria-pressed="true"]{background:var(--ink);border-color:var(--ink);color:var(--paper)}
.chip[aria-pressed="true"] small{color:inherit;opacity:.7}
.catalog{list-style:none;margin:24px 0 0;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:56px;border-top:1px solid var(--line)}
.course{padding:24px 0 22px;border-bottom:1px solid var(--line);display:grid;gap:8px;align-content:start}
.course__cat{display:flex;align-items:center;gap:8px;font:500 11px/1 var(--f-mono);letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.course__cat i{width:7px;height:7px;border-radius:50%;background:var(--c)}
.course h3{margin:0;font-family:var(--f-display);font-weight:500;font-size:22px;line-height:1.3;letter-spacing:-.01em}
.course h3 span{font:400 12px/1 var(--f-mono);letter-spacing:.02em;color:var(--muted);margin-left:10px;white-space:nowrap}
.course p{margin:0;color:var(--muted);font-size:15px;max-width:32em}
.note{margin:32px 0 0;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px 32px;padding:22px 26px;background:var(--paper-2)}
.note p{margin:0}
.note .btn--line{color:var(--ink)}
.levels-wrap{margin-top:44px;overflow-x:auto}
.levels{width:100%;border-collapse:collapse;min-width:720px;font-size:15px}
.levels th{font:500 11px/1 var(--f-mono);letter-spacing:.12em;text-transform:uppercase;color:var(--muted);text-align:left;padding:0 16px 14px 0;border-bottom:1px solid var(--ink)}
.levels td{padding:18px 16px 18px 0;border-bottom:1px solid var(--line);vertical-align:top;color:var(--muted)}
.levels td:first-child{width:128px;color:var(--ink)}
.lv{display:grid;gap:8px}
.lv b{font-family:var(--f-display);font-weight:500;font-size:26px;line-height:1;letter-spacing:-.01em;font-variant-numeric:tabular-nums}
.lv b small{font:500 11px/1 var(--f-mono);letter-spacing:.1em;margin-right:4px;color:var(--muted)}
.lv s{display:block;height:3px;background:var(--line);text-decoration:none;position:relative;width:96px}
.lv s::after{content:"";position:absolute;left:0;top:0;bottom:0;width:calc(var(--n)/8*100%);background:var(--mark)}
.levels td.name{color:var(--ink);font-weight:600;white-space:nowrap}
.levels td.name span{display:block;font:400 12px/1.4 var(--f-mono);color:var(--muted);font-weight:400;margin-top:4px}
.levels td.cefr{font:500 14px/1.4 var(--f-mono);color:var(--ink);white-space:nowrap}
.levels tr.is-start{background:var(--paper-2)}
.levels tr.is-start td:first-child{box-shadow:inset 3px 0 0 var(--mark);padding-left:12px}
.fine{list-style:none;margin:24px 0 0;padding:0;display:grid;gap:6px;font-size:13px;color:var(--muted)}
.fine li::before{content:"※ ";color:var(--accent)}
/* ---------- shared sub-page components ---------- */
.wrap--narrow{max-width:820px}
.sec--night{background:var(--night);color:var(--on-dark);border-top:0!important}
.sec--night + .sec{border-top:0}
.sec--night .eyebrow{color:var(--glow)}
.sec--tint{background:var(--paper-2);border-top:0!important}
.statement{margin:18px 0 0;font-family:var(--f-display);font-weight:500;font-size:clamp(28px,4vw,52px);line-height:1.3;letter-spacing:-.02em;text-wrap:balance;max-width:20em}
.statement em{font-style:normal;color:var(--glow)}
.statement__sub{margin:26px 0 0;color:var(--on-dark-soft);max-width:36em}
.statement__sub a{color:var(--glow)}
.subhead{margin:clamp(48px,6vw,72px) 0 0;font-size:18px;font-weight:600}
.cols{display:grid;gap:0;margin-top:36px;border-top:1px solid var(--line)}
.cols--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.cols--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.cols--4{grid-template-columns:repeat(4,minmax(0,1fr))}
.col{padding:24px 24px 8px 0;display:grid;gap:10px;align-content:start;text-decoration:none;color:inherit}
.col + .col{padding-left:24px;border-left:1px solid var(--line)}
.col h3{margin:0;font-size:18px;font-weight:600;line-height:1.4}
.col h3::before{content:"";display:block;width:18px;height:2px;background:var(--mark);margin-bottom:14px}
.col p{margin:0;color:var(--muted);font-size:15px}
.col a{color:var(--accent)}
.col--link span{font-size:14px;color:var(--accent)}
.col--link:hover h3{text-decoration:underline;text-underline-offset:4px}
.who{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-top:22px}
.who__item{display:grid;gap:10px;align-content:start;padding:22px;background:var(--paper-2);text-decoration:none;color:inherit;transition:background .2s}
.who__item b{font-family:var(--f-display);font-weight:500;font-size:22px}
.who__item p{margin:0;color:var(--muted);font-size:14px}
.who__item span{font-size:13px;color:var(--accent)}
.who__item:hover{background:color-mix(in srgb,var(--paper-2) 70%,var(--mark) 30%)}
.steps{list-style:none;margin:40px 0 0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;counter-reset:s}
.steps--5{grid-template-columns:repeat(5,minmax(0,1fr))}
.step{position:relative;padding:22px 22px 26px 0;border-top:1px solid var(--line);display:grid;gap:8px;align-content:start}
.step::before{content:"";position:absolute;left:0;top:-4px;width:7px;height:7px;border-radius:50%;background:var(--mark)}
.step__n{font:500 12px/1 var(--f-mono);letter-spacing:.1em;color:var(--accent)}
.step h3{margin:0;font-size:18px;font-weight:600}
.step p{margin:0;color:var(--muted);font-size:15px}
.ladder{list-style:none;margin:40px 0 0;padding:0;display:grid;grid-template-columns:repeat(8,minmax(0,1fr));align-items:end;gap:6px}
.ladder li{display:grid;gap:8px;align-content:end;padding:14px 12px;background:var(--paper-2);font-weight:600;font-size:15px;border-top:3px solid var(--mark)}
.ladder li span{font:500 10px/1 var(--f-mono);letter-spacing:.1em;color:var(--muted);font-weight:500}
.ladder li:nth-child(1){min-height:64px}.ladder li:nth-child(2){min-height:76px}.ladder li:nth-child(3){min-height:88px}.ladder li:nth-child(4){min-height:100px}
.ladder li:nth-child(5){min-height:112px}.ladder li:nth-child(6){min-height:124px}.ladder li:nth-child(7){min-height:136px}.ladder li:nth-child(8){min-height:148px;background:var(--ink);color:var(--paper)}
.ladder li:nth-child(8) span{color:inherit;opacity:.7}
.care{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:36px}
.care__col{padding:28px;background:var(--paper-2)}
.care__col h3{margin:0 0 14px;font-family:var(--f-display);font-weight:500;font-size:24px}
.care__col ul{margin:0;padding:0;list-style:none;display:grid;gap:10px}
.care__col li{display:flex;gap:12px;align-items:baseline}
.care__col li::before{content:"";flex:none;width:6px;height:6px;border-radius:50%;background:var(--mark);transform:translateY(-2px)}
.reviews{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:40px 40px;margin-top:40px}
.review{margin:0;display:grid;gap:16px;align-content:start;padding-top:20px;border-top:1px solid var(--ink)}
.review blockquote{margin:0;font-size:15.5px;line-height:1.75}
.review blockquote::before{content:"“";display:block;font-family:var(--f-display);font-size:40px;line-height:.8;color:var(--mark)}
.review figcaption{font:500 12px/1.4 var(--f-mono);letter-spacing:.04em;color:var(--muted)}
.ages-band{list-style:none;margin:40px 0 0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0}
.ages-band li{padding:26px 26px 26px 0;border-top:3px solid var(--mark);display:grid;gap:8px;align-content:start}
.ages-band li + li{padding-left:26px}
.ages-band li:nth-child(2){border-top-color:color-mix(in srgb,var(--mark) 60%,var(--line))}
.ages-band li:nth-child(3){border-top-color:var(--line)}
.ages-band b{font-family:var(--f-display);font-weight:500;font-size:clamp(30px,3.4vw,44px);line-height:1.1}
.ages-band h3{margin:0;font-size:17px;font-weight:600}
.ages-band p{margin:0;color:var(--muted)}
.fine-line{margin:26px 0 0;color:var(--muted);font-size:15px}
.fine-line a{color:var(--accent)}
.compare-wrap{margin-top:36px;overflow-x:auto}
.compare{width:100%;border-collapse:collapse;min-width:520px}
.compare th{text-align:left;font:500 11px/1 var(--f-mono);letter-spacing:.12em;color:var(--muted);padding:0 20px 14px 0;border-bottom:1px solid var(--ink)}
.compare td{padding:20px 20px 20px 0;border-bottom:1px solid var(--line);font-size:17px;width:50%}
.compare td:first-child{color:var(--muted);text-decoration:line-through;text-decoration-color:var(--line);text-decoration-thickness:1px}
.compare td:last-child{font-weight:600}
.compare th:last-child{color:var(--accent)}
.bignums{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));margin-top:36px;border-top:1px solid var(--line)}
.bignum{padding:28px 24px 8px 0;display:grid;gap:12px;align-content:start}
.bignum + .bignum{padding-left:24px;border-left:1px solid var(--line)}
.bignum b{font-family:var(--f-display);font-weight:500;font-size:clamp(44px,6vw,80px);line-height:1;letter-spacing:-.03em;color:var(--ink)}
.bignum--dim b{color:var(--muted);opacity:.55}
.bignum p{margin:0;color:var(--muted);max-width:18em}
.moments{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:36px}
.moments figure{margin:0;padding:28px;background:var(--paper-2);display:grid;gap:14px;align-content:start}
.moments blockquote{margin:0;font-family:var(--f-display);font-weight:500;font-size:21px;line-height:1.45}
.moments figcaption{color:var(--muted);font-size:14px}
.skills{list-style:none;margin:36px 0 0;padding:0;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px}
.skills li{padding:22px 16px;background:var(--paper-2);font-weight:600;border-left:3px solid var(--mark)}
.faq{margin-top:32px;border-top:1px solid var(--ink)}
.qa{border-bottom:1px solid var(--line)}
.qa summary{list-style:none;cursor:pointer;display:grid;grid-template-columns:28px 1fr 24px;gap:12px;align-items:baseline;padding:20px 0;font-weight:600;font-size:17px}
.qa summary::-webkit-details-marker{display:none}
.qa summary::after{content:"+";font:400 22px/1 var(--f-mono);color:var(--muted);text-align:right;transition:transform .2s}
.qa[open] summary::after{content:"−";color:var(--accent)}
.qa__q{font:500 14px/1 var(--f-mono);color:var(--accent)}
.qa__a{padding:0 36px 24px 40px;color:var(--muted);max-width:52em}
.qa__a p{margin:0 0 10px}
.qa__a .formula{font:500 14px/1.6 var(--f-mono);color:var(--ink);background:var(--paper-2);padding:12px 14px}
.qa__a .small{font-size:13px}
.calc{border-collapse:collapse;margin:6px 0 12px;min-width:min(100%,420px);font-variant-numeric:tabular-nums}
.calc caption{text-align:left;font-size:13px;color:var(--muted);padding-bottom:8px}
.calc th{text-align:left;font-weight:400;padding:8px 24px 8px 0;border-bottom:1px solid var(--line)}
.calc td{text-align:right;padding:8px 0;border-bottom:1px solid var(--line);font-family:var(--f-mono);color:var(--ink);white-space:nowrap}
.calc tr.sum th,.calc tr.sum td{font-weight:600;color:var(--ink);border-bottom:1px solid var(--ink)}
.contact{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:32px}
.contact__item{display:grid;gap:8px;align-content:start;padding:26px;background:var(--paper-2);text-decoration:none;color:inherit;transition:background .2s}
.contact__item span{font:500 12px/1 var(--f-mono);letter-spacing:.08em;color:var(--accent)}
.contact__item b{font-family:var(--f-display);font-weight:500;font-size:23px}
.contact__item p{margin:0;color:var(--muted);font-size:14px}
.contact__item:hover{background:color-mix(in srgb,var(--paper-2) 70%,var(--mark) 30%)}
.regions{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:40px 48px;margin-top:44px}
.region h3{margin:0 0 6px;font-family:var(--f-display);font-weight:500;font-size:24px;display:flex;justify-content:space-between;align-items:baseline;border-bottom:1px solid var(--ink);padding-bottom:10px}
.region h3 span{font:500 11px/1 var(--f-mono);letter-spacing:.1em;color:var(--muted)}
.region ul{list-style:none;margin:0;padding:0}
.region li{display:flex;justify-content:space-between;gap:12px;padding:12px 0;border-bottom:1px solid var(--line)}
.region li b{font-weight:600}
.region li span{color:var(--muted);font-size:13px;text-align:right}
.posts{list-style:none;margin:36px 0 0;padding:0;border-top:1px solid var(--ink)}
.posts a{display:grid;grid-template-columns:120px 1fr auto;gap:8px 24px;align-items:baseline;padding:22px 0;border-bottom:1px solid var(--line);text-decoration:none;color:inherit}
.posts time{font:500 13px/1 var(--f-mono);color:var(--muted)}
.posts b{font-weight:600;font-size:17px;line-height:1.5}
.posts span{font-size:13px;color:var(--accent);white-space:nowrap}
.posts a:hover b{text-decoration:underline;text-underline-offset:4px}
.col--link{cursor:pointer}
.expr{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:32px 64px;margin-top:28px;padding-block:32px;border-top:1px solid #FFFFFF26;border-bottom:1px solid #FFFFFF26}
.expr__en{margin:0;font-family:var(--f-display);font-weight:500;font-size:clamp(40px,6vw,76px);line-height:1.05;letter-spacing:-.02em}
.expr__pron{margin:14px 0 0;font:500 14px/1 var(--f-mono);color:var(--on-dark-soft)}
.expr__ko{margin:14px 0 0;font-size:20px;color:var(--glow)}
.expr__ex{display:grid;gap:14px;align-content:start}
.expr__ex p{margin:0;display:grid;gap:2px}
.expr__ex b{font-weight:600}
.expr__ex span{color:var(--on-dark-soft);font-size:15px}
.expr__label{font:500 11px/1 var(--f-mono)!important;letter-spacing:.12em;color:var(--on-dark-faint)}
.expr__next{margin-top:10px!important;display:block!important;font-size:14px;color:var(--on-dark-soft)}
.lead-p{margin:16px 0 0;color:var(--muted)}
.req,.field__label i{color:#C2410C;font-style:normal}
.form{margin-top:36px;display:grid;gap:0;border-top:1px solid var(--ink)}
.field{display:grid;grid-template-columns:44px 1fr;gap:12px;padding:22px 0;border-bottom:1px solid var(--line)}
.field__n{font:500 12px/1.9 var(--f-mono);color:var(--accent)}
.field__body{display:grid;gap:12px;min-width:0}
.field__label{margin:0;font-weight:600;font-size:16px}
.field__label small{font-weight:400;color:var(--muted);font-size:13px}
.field__hint{margin:0;font-size:13px;color:var(--muted)}
.field__hint.is-bad{color:#C2410C;font-weight:600}
.inp{width:100%;min-width:0;font:inherit;font-size:16px;color:var(--ink);background:var(--paper);border:1px solid color-mix(in srgb,var(--ink) 22%,transparent);border-radius:2px;padding:12px 14px}
.inp:focus{outline:2px solid var(--mark);outline-offset:0;border-color:transparent}
.inp.is-bad{border-color:#C2410C}
.inp:disabled{background:var(--paper-2);color:var(--muted);cursor:not-allowed;opacity:.8}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.row3{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:8px}
.tel{display:grid;grid-template-columns:auto 1fr 1fr;gap:8px;align-items:center;max-width:360px}
.tel span{font-family:var(--f-mono);padding-inline:6px}
.opts{display:flex;flex-wrap:wrap;gap:8px}
.opt{position:relative;cursor:pointer}
.opt input{position:absolute;opacity:0;inset:0;margin:0;cursor:pointer}
.opt span{display:inline-block;padding:10px 14px;border:1px solid color-mix(in srgb,var(--ink) 22%,transparent);border-radius:999px;font-size:14px;background:var(--paper);transition:all .15s}
.opt input:checked + span{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.opt input:focus-visible + span{outline:2px solid var(--mark);outline-offset:2px}
.opt--plain span{border:0;padding:0;background:none;border-radius:0;font-weight:600}
.opt--plain input{position:static;opacity:1;width:18px;height:18px;margin-right:10px;vertical-align:-3px;accent-color:var(--ink)}
.opt--plain input:checked + span{background:none;color:inherit}
.agree{padding:22px 0;display:grid;gap:8px;border-bottom:1px solid var(--line)}
.agree p{margin:0 0 0 28px;font-size:13px;color:var(--muted)}
.form__foot{padding-top:28px;display:grid;gap:14px;justify-items:start}
.btn--big{padding:16px 28px;font-size:16px;border:0;cursor:pointer;font-family:var(--f-body)}
.form__msg{margin:0;padding:14px 16px;background:var(--paper);border-left:3px solid var(--mark);font-size:14px}
.form__msg.is-bad{border-left-color:#C2410C}
.site-foot{background:var(--night);color:var(--on-dark-soft);padding-block:56px 32px;font-size:14px}

.site-foot__in{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.4fr) minmax(0,1fr);gap:28px 48px}
.site-foot__brand .logo__en{color:var(--on-dark);font-family:var(--f-display);font-weight:600;letter-spacing:.14em}
.site-foot__brand p{margin:10px 0 0}
.site-foot__nav{display:flex;flex-wrap:wrap;gap:10px 22px;align-content:start}
.site-foot a{color:inherit;text-decoration:none}.site-foot a:hover{color:var(--on-dark)}
.site-foot__info{display:grid;gap:8px;align-content:start;justify-items:start}
.site-foot__legal{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px 24px;margin-top:44px;padding-top:20px;border-top:1px solid #FFFFFF1F;font:400 12px/1.4 var(--f-mono);color:var(--on-dark-faint)}
@media (max-width:960px){
  .cols--4,.who{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cols--4 .col:nth-child(3){padding-left:0;border-left:0}
  .cols--4 .col:nth-child(n+3){border-top:1px solid var(--line)}
  .steps,.steps--5{grid-template-columns:repeat(2,minmax(0,1fr))}
  .ladder{grid-template-columns:repeat(4,minmax(0,1fr))}
  .reviews,.regions{grid-template-columns:repeat(2,minmax(0,1fr))}
  .skills{grid-template-columns:repeat(3,minmax(0,1fr))}
  .site-foot__in{grid-template-columns:1fr}
}
@media (max-width:640px){
  .cols--2,.cols--3,.cols--4,.who,.care,.reviews,.regions,.moments,.contact,.bignums,.ages-band,.expr{grid-template-columns:1fr}
  .col,.col + .col,.cols--4 .col:nth-child(3){padding:22px 0 18px;border-left:0}
  .col + .col{border-top:1px solid var(--line)}
  .bignum,.bignum + .bignum{padding:24px 0 16px;border-left:0}
  .bignum + .bignum{border-top:1px solid var(--line)}
  .ages-band li,.ages-band li + li{padding:22px 0}
  .steps,.steps--5{grid-template-columns:1fr}
  .ladder{grid-template-columns:repeat(2,minmax(0,1fr))}
  .ladder li{min-height:0!important}
  .skills{grid-template-columns:repeat(2,minmax(0,1fr))}
  .posts a{grid-template-columns:1fr}
  .row3{grid-template-columns:1fr}
  .field{grid-template-columns:1fr;gap:6px}
  .qa__a{padding:0 0 22px 40px}
}

/* ---------- learner journey (3D ring, scroll driven) ---------- */
.journey{--slots:16;--item-width:min(38rem,44vw);--radius:-1600px;background:var(--paper);border-bottom:1px solid var(--line)}
.journey__track{position:relative;height:300vh}
.journey__stage{position:sticky;top:0;height:100svh;display:flex;align-items:center;justify-content:center;overflow:hidden;perspective:1600px;padding-block:clamp(235px,28svh,260px) 60px;box-sizing:border-box}
.journey__head{position:absolute;z-index:2;top:calc(112px + 2svh);left:max(var(--gutter),calc((100vw - 1120px)/2 + var(--gutter)))}
.journey__title{margin:0;font-family:var(--f-display);font-weight:500;font-size:clamp(26px,2.8vw,38px);letter-spacing:-.02em}
.ring{list-style:none;margin:0;padding:0;position:relative;width:var(--item-width);height:min(calc(var(--item-width) * .94),calc(100svh - 320px));transform-style:preserve-3d;transform:translate3d(0,0,var(--radius)) rotateY(calc(var(--rotate) * -1deg));will-change:transform}
.ring__card{position:absolute;inset:0;overflow:hidden;background:var(--night);backface-visibility:hidden;transform:rotateY(calc(360deg / var(--slots) * var(--index))) translate3d(0,0,calc(var(--radius) * -1))}
.ring__card img{width:100%;height:100%;object-fit:cover;display:block}
.ring__veil{position:absolute;inset:0;background:linear-gradient(180deg,#0F1B2D1F 0%,#0F1B2D6B 55%,#0F1B2DD9 100%)}
.ring__text{position:absolute;left:clamp(22px,3vw,40px);right:clamp(22px,3vw,40px);bottom:clamp(22px,3vw,38px);color:var(--on-dark)}
.ring__label{margin:0;display:flex;align-items:baseline;gap:16px}
.ring__num{font-family:var(--f-mono);font-weight:500;font-size:clamp(22px,2.2vw,32px);color:var(--glow)}
.ring__name{font-family:var(--f-display);font-weight:500;font-size:clamp(22px,2.2vw,32px);letter-spacing:-.02em}
.ring__line{margin:12px 0 0;font-size:clamp(14px,1.1vw,16px);line-height:1.65;color:var(--on-dark-soft);max-width:30em}
.journey__count{position:absolute;z-index:2;bottom:3svh;left:50%;transform:translateX(-50%);margin:0;font:500 14px/1 var(--f-mono);letter-spacing:.08em;color:var(--muted)}
.journey__count b{color:var(--ink);font-weight:500}
.journey__count span{margin-inline:6px}
.journey__hint{position:absolute;z-index:2;bottom:3svh;right:max(var(--gutter),calc((100vw - 1120px)/2 + var(--gutter)));margin:0;font-size:13px;color:var(--muted);transition:opacity .4s}
.journey__hint span{display:inline-block;animation:nudge 1.4s ease-in-out infinite}
@keyframes nudge{0%,100%{transform:translateY(0)}50%{transform:translateY(4px)}}
.journey.is-end .journey__hint{opacity:0}
.flat{list-style:none;margin:40px 0 0;padding:0;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:0;border-top:1px solid var(--ink)}
.flat li{padding:20px 18px 22px 0;display:grid;gap:8px;align-content:start;border-bottom:1px solid var(--line)}
.flat__n{font:500 12px/1 var(--f-mono);color:var(--accent);letter-spacing:.08em}
.flat b{font-size:17px;font-weight:600}
.flat p{margin:0;font-size:14px;color:var(--muted)}
@media (max-width:960px){ .flat{grid-template-columns:repeat(2,minmax(0,1fr))} .journey__hint{display:none} }
@media (max-width:767px){
  .journey{--item-width:76vw}
  .journey__track{height:260vh}
  .journey__stage{perspective:900px}
  .ring{height:min(calc(var(--item-width) * 1.2),calc(100svh - 320px))}
  .journey__title{font-size:24px}
  .ring__line{font-size:13px}
}
@media (max-width:640px){ .flat{grid-template-columns:1fr} }
@media (prefers-reduced-motion:reduce){
  .journey__track{height:auto}
  .journey__stage{position:relative;height:auto;display:block;perspective:none;padding-block:130px 60px;overflow-x:auto}
  .journey__head{position:static;padding-inline:var(--gutter);margin-bottom:24px}
  .ring{display:flex;gap:12px;width:auto;height:auto;transform:none;padding-inline:var(--gutter)}
  .ring__card{position:relative;flex:none;width:min(80vw,420px);aspect-ratio:1/1;transform:none}
  .journey__count,.journey__hint{display:none}
}

@media (max-width:760px){
  .split{grid-template-columns:1fr}
  .catalog{grid-template-columns:1fr}
  .anchor{top:53px}
}

@media (max-width:760px){
  .hdr__cta{display:none}
  .logo__ko{display:none}
  .logo__en{font-size:18px;letter-spacing:.1em}
  .devices{grid-template-columns:1fr}
  .device,.device + .device{padding:26px 0 24px;border-left:0}
  .device + .device{border-top:1px solid var(--line)}
  .life{grid-template-columns:1fr}
  .facts{grid-template-columns:repeat(2,minmax(0,1fr))}
  .fact:nth-child(3){padding-left:0;border-left:0}
  .fact:nth-child(n+3){border-top:1px solid var(--line)}
  .menu__item{grid-template-columns:1fr}
  .menu__sub{display:none}
}
@media (max-width:420px){ .ages li{font-size:13px} }
@media (prefers-reduced-motion:reduce){
  .hero__slide{transition:none}.hero__slide.is-active{animation:none}
  .menu,.menu__sub,.btn--line::after{transition:none}
}

/* ---------- bright gold theme overrides ---------- */
.hdr.is-solid{background:#FFFDF7F2;color:var(--menu-ink);box-shadow:0 1px 0 var(--line)}
.hdr.is-solid .logo__en{color:var(--logo)}
.hdr.is-solid .logo__ko{color:var(--muted)}
.hdr__cta{border-bottom-color:color-mix(in srgb,currentColor 45%,transparent)}
.hdr__cta:hover{border-bottom-color:currentColor}
.logo__en{color:var(--glow)}
html.menu-open .hdr{color:var(--menu-ink)}
html.menu-open .hdr .logo__en{color:var(--logo)}
html.menu-open .hdr .logo__ko{color:var(--muted)}
.menu{background:var(--menu-bg);color:var(--menu-ink)}
.menu__link{color:var(--menu-faint)}
.menu__item:hover .menu__link,.menu__item:focus-within .menu__link{color:var(--menu-ink)}
.menu__item:hover .menu__link{text-decoration:underline;text-decoration-color:var(--mark);text-decoration-thickness:3px;text-underline-offset:8px}
.menu__sub{color:var(--menu-soft)}
.menu__sub a:hover{color:var(--menu-ink)}
.menu__foot{border-top-color:var(--menu-line);color:var(--menu-soft)}
.menu__foot a:hover{color:var(--menu-ink)}
.hero__shade{background:linear-gradient(180deg,#2A1E0B59 0%,#2A1E0B0D 28%,#2A1E0B14 48%,#2A1E0B99 100%),linear-gradient(90deg,#2A1E0B99 0%,#2A1E0B40 38%,#2A1E0B00 62%)}
.hero__title,.hero__sub,.hero__kicker{text-shadow:0 2px 22px #2A1E0B8C,0 1px 2px #2A1E0B66}
.banner__title,.banner__meta{text-shadow:0 2px 18px #2A1E0B80}
.banner::before{background:linear-gradient(180deg,#2A1E0B4D 0%,#2A1E0B00 40%,#2A1E0B80 100%),linear-gradient(90deg,#2A1E0B99 0%,#2A1E0B40 42%,#2A1E0B00 70%)}
.ring__veil{background:linear-gradient(180deg,#2A1E0B00 0%,#2A1E0B33 50%,#2A1E0BCC 100%)}
.sec--night{background:var(--gold-band);color:#1A2E4A}
.sec--night .eyebrow{color:#1A2E4A;opacity:.72}
.statement em{color:inherit;background:linear-gradient(transparent 60%,#FFFFFFB3 60%);padding-inline:2px}
.statement__sub{color:#1A2E4ACC}
.statement__sub a{color:#1A2E4A;text-decoration-thickness:2px}
.sec--night .expr{border-color:#1A2E4A33}
.sec--night .expr__pron,.sec--night .expr__ex span,.sec--night .expr__next{color:#1A2E4AB3}
.sec--night .expr__label{color:#1A2E4A80}
.sec--night .expr__ko{color:#1A2E4A;font-weight:600}
.site-foot{background:var(--foot-bg);color:var(--muted);border-top:4px solid var(--mark)}
.site-foot__brand .logo__en{color:var(--logo)}
.site-foot a:hover{color:var(--ink)}
.site-foot__legal{border-top-color:var(--line);color:var(--muted)}
.chip[aria-pressed="true"]{background:var(--mark);border-color:var(--mark);color:#1A2E4A}
.opt input:checked + span{background:var(--mark);border-color:var(--mark);color:#1A2E4A}
.ladder li:nth-child(8){background:var(--mark);color:#1A2E4A}
.who__item:hover,.contact__item:hover{background:color-mix(in srgb,var(--paper-2) 55%,var(--mark) 45%)}
.btn--solid{box-shadow:0 6px 18px -8px #FFC20099}

/* ---------- production additions ---------- */
.course[hidden]{display:none}
.banner--short{min-height:clamp(260px,38vh,360px)}
.site-foot__biz{display:flex;flex-wrap:wrap;gap:4px 18px;margin-top:28px;font-size:12.5px;color:var(--muted)}
.site-foot__legal a{color:inherit}
.region-links{margin-top:clamp(40px,5vw,64px)}
.region-links ul{list-style:none;margin:16px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.region-links a{display:inline-block;padding:9px 14px;border:1px solid var(--line);border-radius:999px;text-decoration:none;color:var(--ink);font-size:14px;background:var(--paper)}
.region-links a:hover{background:var(--mark);border-color:var(--mark)}
.rules{margin-top:28px;background:var(--paper);border:1px solid var(--line)}
.rules summary{cursor:pointer;list-style:none;padding:16px 20px;font-weight:600;display:flex;justify-content:space-between;align-items:center}
.rules summary::-webkit-details-marker{display:none}
.rules summary::after{content:"+";font:400 20px/1 var(--f-mono);color:var(--muted)}
.rules[open] summary::after{content:"−";color:var(--accent)}
.rules__body{padding:4px 20px 20px;font-size:14px;color:var(--muted);display:grid;gap:18px}
.rules__grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px 28px}
.rules h3{margin:0 0 6px;font-size:14px;color:var(--ink)}
.rules ul{margin:0;padding-left:18px;display:grid;gap:3px}
.rules .formula{list-style:none;margin-left:-18px;font:500 13px/1.6 var(--f-mono);color:var(--ink);background:var(--paper-2);padding:10px 12px}
.rules__table{overflow-x:auto}
.rules .calc{min-width:420px}
.rules .calc td{text-align:center}
.done{margin-top:36px;padding:32px;background:var(--paper);border-top:4px solid var(--mark)}
.done__sum{margin:20px 0 0;display:grid;gap:0;border-top:1px solid var(--line)}
.done__sum div{display:grid;grid-template-columns:110px 1fr;gap:12px;padding:12px 0;border-bottom:1px solid var(--line)}
.done__sum dt{color:var(--muted)}
.done__sum dd{margin:0;font-weight:600}
#f-int-etc{margin-top:8px;max-width:420px}
.form button[disabled]{opacity:.6;cursor:default}
@media (max-width:640px){ .rules__grid{grid-template-columns:1fr} }

/* ---------- standalone trial application page ---------- */
.hdr--solo{position:sticky;top:0;background:#FFFDF7F2;color:var(--ink);box-shadow:0 1px 0 var(--line);padding-block:14px}
.hdr--solo .logo__en{color:var(--logo)}
.hdr--solo .logo__ko{color:var(--muted)}
.hdr--solo .hdr__right{gap:18px}
.solo__hero{background:var(--gold-band);color:#1A2E4A;padding-block:clamp(40px,7vw,72px) clamp(36px,6vw,60px)}
.solo__kicker{margin:0 0 14px;font:500 12px/1.4 var(--f-mono);letter-spacing:.16em;opacity:.75}
.solo__title{margin:0;font-family:var(--f-display);font-weight:600;font-size:clamp(34px,5vw,56px);line-height:1.15;letter-spacing:-.02em}
.solo__sub{margin:14px 0 0;font-size:clamp(15px,1.6vw,18px);color:#1A2E4ACC}
.solo__facts{list-style:none;margin:22px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.solo__facts li{padding:7px 12px;background:#FFFFFFB3;border-radius:999px;font-size:13px;font-weight:600}
.solo #trial-form{padding-block:clamp(36px,5vw,56px) clamp(56px,7vw,88px)}
.solo__h2{font-size:clamp(22px,2.4vw,28px)}
.solo-foot{background:var(--foot-bg);border-top:4px solid var(--mark);padding-block:28px 36px;font-size:13px;color:var(--muted)}
.solo-foot p{margin:0}
.solo-foot__help{font-size:14px;color:var(--ink);margin-bottom:8px!important}
.solo-foot a{color:inherit}
@media (max-width:760px){ .hdr--solo .hdr__cta{display:inline;font-size:13px} .hdr--solo .hdr__cta:first-child{display:none} }

/* 첫 화면 영상: 전환 순서(z-index)가 글자·그림자 위로 올라가지 않도록 */
.hero__media{isolation:isolate}

/* 첫 화면 영상: 확대(zoom) 효과 제거 — 느린 확대가 영상 결을 미세하게 떨려 보이게 함 */
.hero__slide,.hero__slide.is-active{animation:none;transform:none}