@charset "utf-8";

/* =========================================================
   한국철도교육원 (K-RAIL ACADEMY) - demo main page
   ========================================================= */

:root{
  --red:#770e06;
  --red-2:#9a1a0e;
  --red-light:#ffa09f;
  --ink:#111315;
  --ink-2:#2b2f33;
  --gray:#6b7178;
  --gray-2:#9aa1a8;
  --line:#e3e5e8;
  --bg-soft:#f6f7f8;
  --container:1400px;
  --ff:"Pretendard","Pretendard Variable",-apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo","Malgun Gothic",sans-serif;
  --clip:25%;
}

*,*::before,*::after{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;font-family:var(--ff);color:var(--ink);background:#fff;
  font-size:16px;line-height:1.5;letter-spacing:-.015em;overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none;margin:0;padding:0}
p,h1,h2,h3,h4,figure{margin:0}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
svg{width:100%;height:100%;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}

.blind,.blind-link{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.blind-link:focus{position:fixed;left:0;top:0;width:auto;height:auto;clip:auto;margin:0;padding:10px 20px;background:var(--red);color:#fff;z-index:9999}

/* shared type */
.eyebrow{font-size:15px;font-weight:600;letter-spacing:.02em;color:var(--red-2)}
.eyebrow.light{color:var(--red-light)}
.sec-title{font-size:48px;font-weight:700;line-height:1.3;letter-spacing:-.035em;margin-top:18px}
.sec-title.light{color:#fff}
.sec-desc{margin-top:20px;font-size:17px;line-height:1.65;color:var(--gray)}
.sec-desc.light{color:rgba(255,255,255,.72)}

/* shared buttons */
.btn-ico{
  display:inline-grid;place-items:center;width:34px;height:34px;border-radius:50%;
  border:1px solid currentColor;flex:0 0 34px;transition:.3s;
}
.btn-ico svg{width:17px;height:17px}
.btn-blur,.btn-line-dark,.btn-line-white{
  display:inline-flex;align-items:center;gap:14px;border-radius:999px;
  padding:9px 12px 9px 30px;font-size:16px;font-weight:600;transition:.3s;
}
.btn-blur{background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.55);color:#fff;backdrop-filter:blur(8px)}
.btn-blur:hover{background:#fff;color:var(--ink)}
.btn-blur:hover .btn-ico{border-color:var(--ink)}
.btn-line-dark{border:1px solid var(--ink);color:var(--ink)}
.btn-line-dark:hover{background:var(--ink);color:#fff}
.btn-line-white{border:1px solid rgba(255,255,255,.7);color:#fff}
.btn-line-white:hover{background:#fff;color:var(--ink)}
.btn-line-white:hover .btn-ico{border-color:var(--ink)}

/* =========================================================
   HEADER
   ========================================================= */
.site-header{position:fixed;inset:0 0 auto 0;z-index:300;transition:background .35s,box-shadow .35s}
.header-container{
  max-width:var(--container);margin:0 auto;padding:0 40px;height:90px;
  display:flex;align-items:center;justify-content:space-between;gap:30px;
}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{width:44px;height:44px;flex:0 0 44px;color:#fff;display:block}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text em{font-style:normal;font-size:11.5px;font-weight:600;letter-spacing:.06em;color:#fff;opacity:.9}
.brand-text strong{font-size:21px;font-weight:800;letter-spacing:-.04em;color:#fff}

.header-right{display:flex;align-items:center;gap:26px}
.gnb-list{display:flex;align-items:center}
.gnb-item{position:relative}
.gnb-link{display:block;padding:34px 22px;font-size:17px;font-weight:600;color:#fff;position:relative}
.gnb-link::after{
  content:"";position:absolute;left:22px;right:22px;bottom:26px;height:2px;background:currentColor;
  transform:scaleX(0);transform-origin:left;transition:transform .3s;
}
.gnb-item:hover .gnb-link::after,.gnb-item:focus-within .gnb-link::after{transform:scaleX(1)}
.gnb-sub{
  position:absolute;left:50%;top:100%;transform:translateX(-50%) translateY(6px);
  min-width:190px;background:#fff;border-radius:10px;box-shadow:0 18px 40px rgba(0,0,0,.16);
  padding:14px 0;opacity:0;visibility:hidden;transition:.28s;
}
.gnb-item:hover .gnb-sub,.gnb-item:focus-within .gnb-sub{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.gnb-sub a{display:block;padding:9px 24px;font-size:14.5px;color:var(--ink-2);white-space:nowrap}
.gnb-sub a:hover{color:var(--red-2);font-weight:700}

.header-utils{display:flex;align-items:center;gap:10px;position:relative}
.btn-apply{
  display:inline-flex;align-items:center;gap:6px;background:#111315;color:#fff;
  border-radius:999px;padding:14px 22px;font-size:16px;font-weight:700;transition:.25s;
}
.btn-apply svg{width:18px;height:18px;stroke-width:2}
.btn-apply:hover{background:var(--red)}
.btn-lang{width:40px;height:40px;display:grid;place-items:center;color:#fff;border-radius:50%;transition:.2s}
.btn-lang svg{width:24px;height:24px}
.btn-lang:hover{background:rgba(255,255,255,.16)}
.lang-list{
  position:absolute;right:0;top:calc(100% + 8px);background:#fff;border-radius:10px;
  box-shadow:0 14px 34px rgba(0,0,0,.18);padding:8px 0;min-width:140px;z-index:10;
}
.lang-list a{display:block;padding:9px 18px;font-size:14px;color:var(--ink-2)}
.lang-list a:hover{background:var(--bg-soft)}

.btn-menu{display:none;width:44px;height:44px;flex-direction:column;align-items:center;justify-content:center;gap:5px}
.btn-menu span{display:block;width:22px;height:2px;background:#fff;border-radius:2px;transition:.28s}
.btn-menu[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.btn-menu[aria-expanded="true"] span:nth-child(2){opacity:0}
.btn-menu[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* solid state */
.site-header.is-solid{background:#fff;box-shadow:0 1px 0 var(--line)}
.site-header.is-solid .brand-mark{color:var(--red)}
.site-header.is-solid .brand-text em{color:var(--gray)}
.site-header.is-solid .brand-text strong,
.site-header.is-solid .gnb-link{color:var(--ink)}
.site-header.is-solid .btn-lang{color:var(--ink)}
.site-header.is-solid .btn-lang:hover{background:rgba(0,0,0,.06)}
.site-header.is-solid .btn-menu span{background:var(--ink)}
.site-header.is-open{background:#fff}

/* mobile menu */
.mobile-menu{
  position:absolute;left:0;right:0;top:100%;background:#fff;border-top:1px solid var(--line);
  max-height:calc(100vh - 70px);overflow-y:auto;padding:10px 0 26px;box-shadow:0 20px 40px rgba(0,0,0,.14);
}
.m-acc>li{border-bottom:1px solid var(--line)}
.m-acc-btn{display:flex;align-items:center;justify-content:space-between;width:100%;padding:16px 24px;font-size:17px;font-weight:700}
.m-acc-btn svg{width:20px;height:20px;transition:transform .25s}
.m-acc-btn[aria-expanded="true"] svg{transform:rotate(180deg)}
.m-acc-panel{padding:4px 24px 16px;background:var(--bg-soft)}
.m-acc-panel a{display:block;padding:9px 0;font-size:15px;color:var(--gray)}
.m-apply{margin:22px 24px 0;justify-content:center;width:calc(100% - 48px)}

/* =========================================================
   HERO
   ========================================================= */
.sec-hero{position:relative;height:100vh;min-height:620px;max-height:900px;overflow:hidden;background:#0d0f11}
.hero-media{position:absolute;inset:0}
.hero-poster{
  position:absolute;inset:0;background:url("./img/hero-train.jpg") center/cover no-repeat;
  transform:scale(1.06);animation:heroZoom 18s ease-in-out infinite alternate;
}
@keyframes heroZoom{from{transform:scale(1.06)}to{transform:scale(1.16)}}
.hero-veil{
  position:absolute;inset:0;
  background:
    linear-gradient(to right,rgba(10,12,14,.82) 0%,rgba(10,12,14,.45) 48%,rgba(10,12,14,.25) 100%),
    linear-gradient(to bottom,rgba(10,12,14,.72) 0%,rgba(10,12,14,.15) 34%,rgba(10,12,14,.55) 100%);
}
.hero-inner{
  position:relative;height:100%;max-width:var(--container);margin:0 auto;padding:0 40px;
  display:flex;flex-direction:column;justify-content:center;
}
.hero-title-area{max-width:760px}
.hero-title{font-size:64px;font-weight:800;line-height:1.24;letter-spacing:-.045em;color:#fff}
.hero-desc{margin-top:34px;font-size:20px;line-height:1.6;color:rgba(255,255,255,.86)}
.hero-title-area .btn-blur{margin-top:50px}
.btn-down{
  position:absolute;right:40px;bottom:92px;width:44px;height:44px;border-radius:50%;
  background:var(--red);color:#fff;display:grid;place-items:center;
  animation:downBob 1.9s ease-in-out infinite;
}
.btn-down svg{width:20px;height:20px;stroke-width:2}
@keyframes downBob{0%,100%{transform:translateY(0)}50%{transform:translateY(7px)}}

/* hero reveal on load */
.hero-title,.hero-desc,.hero-title-area .btn-blur{
  opacity:0;transform:translateY(34px);animation:heroIn .9s cubic-bezier(.22,.61,.36,1) forwards;
}
.hero-desc{animation-delay:.18s}
.hero-title-area .btn-blur{animation-delay:.34s}
@keyframes heroIn{to{opacity:1;transform:none}}

/* =========================================================
   TICKER
   ========================================================= */
.sec-ticker{background:var(--red);color:#fff;overflow:hidden}
.ticker-area{display:flex;width:max-content}
.ticker-track{display:flex;align-items:center;flex:0 0 auto;animation:tickerMove 34s linear infinite}
.ticker-track span{display:inline-flex;align-items:center;gap:7px;padding:18px 44px;font-size:16px;font-weight:500;white-space:nowrap}
.ticker-track strong{font-weight:800}
@keyframes tickerMove{from{transform:translateX(0)}to{transform:translateX(-100%)}}
.sec-ticker:hover .ticker-track{animation-play-state:paused}

/* =========================================================
   MISSION & VISION
   ========================================================= */
.sec-mission{padding:150px 0 170px;background:#fff}
.mission-inner{max-width:var(--container);margin:0 auto;padding:0 40px;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,560px);gap:80px;align-items:start}
.mission-sticky{position:sticky;top:160px}
.mission-head .sec-title{font-size:46px}
.mission-steps{position:relative;margin-top:70px;height:180px}
.mission-step{position:absolute;inset:0;opacity:0;visibility:hidden;transform:translateY(18px);transition:.5s}
.mission-step.is-active{opacity:1;visibility:visible;transform:none}
.step-no{display:block;font-size:15px;font-weight:700;color:var(--red-2);letter-spacing:.04em}
.step-tit{margin-top:14px;font-size:32px;font-weight:700;letter-spacing:-.035em}
.step-desc{margin-top:14px;font-size:17px;color:var(--gray)}

.mission-list{display:flex;flex-direction:column;gap:150px}
.mission-figure{border-radius:6px;overflow:hidden;aspect-ratio:483/318;background:var(--bg-soft)}
.mission-figure img{width:100%;height:100%;object-fit:cover;transition:transform .8s}
.mission-item:hover .mission-figure img{transform:scale(1.05)}
.mission-mobile-text{display:none}

/* =========================================================
   EDUCATION CONTENTS
   ========================================================= */
.sec-contents{padding:130px 0 140px;background:#fff}
.contents-head{max-width:var(--container);margin:0 auto 64px;padding:0 40px;text-align:center}
.contents-head .sec-title{font-size:46px}
.panel-set{display:flex;height:780px;width:100%}
.panel{
  position:relative;flex:1 1 0;min-width:0;overflow:hidden;display:block;
  border-left:1px solid rgba(255,255,255,.28);transition:flex-grow .6s cubic-bezier(.22,.61,.36,1);
}
.panel:first-child{border-left:0}
.panel.is-active{flex-grow:1.6}
.panel-bg{
  position:absolute;inset:0;background-image:var(--bg);background-size:cover;background-position:var(--pos,center);
  transform:scale(1.08);transition:transform .8s;
}
.panel.is-active .panel-bg{transform:scale(1)}
.panel::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(to top,rgba(10,12,14,.78) 0%,rgba(10,12,14,.25) 45%,rgba(10,12,14,.12) 100%);
}
.panel-body{position:absolute;left:44px;right:44px;bottom:48px;z-index:2;color:#fff}
.panel-tit{display:block;font-size:26px;font-weight:700;letter-spacing:-.03em}
.panel-desc{
  display:block;font-style:normal;font-size:15px;color:rgba(255,255,255,.8);
  margin-top:0;max-height:0;opacity:0;overflow:hidden;transition:.5s;
}
.panel.is-active .panel-desc{margin-top:14px;max-height:60px;opacity:1}
.panel-arrow{
  position:absolute;left:44px;bottom:140px;z-index:2;width:44px;height:44px;border-radius:50%;
  border:1px solid rgba(255,255,255,.7);color:#fff;display:grid;place-items:center;
  opacity:0;transform:translateY(10px);transition:.45s;
}
.panel-arrow svg{width:18px;height:18px}
.panel.is-active .panel-arrow{opacity:1;transform:none}

/* =========================================================
   CLIP SECTIONS (Impact / Accreditation)
   ========================================================= */
.clip-sec{position:relative;padding:170px 0;overflow:hidden;background:#fff}
.clip-bg{position:absolute;inset:0;pointer-events:none}
.clip-img{
  position:absolute;inset:0;display:block;
  clip-path:inset(0 var(--clip) 0 var(--clip));
  transition:clip-path .15s linear;
}
.impact-img{background:url("./img/rail-track.jpg") center/cover no-repeat}
.impact-img::after{content:"";position:absolute;inset:0;background:linear-gradient(to bottom,rgba(6,8,10,.72),rgba(6,8,10,.86))}
.accredit-img{background:url("./img/contents-1.jpg") center/cover no-repeat}
.accredit-img::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(140deg,rgba(8,10,12,.93) 0%,rgba(20,11,10,.9) 55%,rgba(44,14,8,.88) 100%);
}
.clip-inner{position:relative;max-width:var(--container);margin:0 auto;padding:0 40px}

.sec-impact .textset{text-align:center;max-width:820px;margin:0 auto}
.count-list{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:86px}
.count-item{text-align:center;color:#fff;position:relative}
.count-item+.count-item::before{content:"";position:absolute;left:0;top:14%;bottom:26%;width:1px;background:rgba(255,255,255,.22)}
.count-wrap{display:flex;align-items:baseline;justify-content:center;gap:8px}
.count-num{font-size:72px;font-weight:800;letter-spacing:-.05em;line-height:1}
.count-unit{font-size:26px;font-weight:600}
.count-item p{margin-top:22px;font-size:17px;color:rgba(255,255,255,.72)}

.sec-accredit .textset{text-align:center;max-width:820px;margin:0 auto}
.cert-cards{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;margin-top:78px}
.cert-card{
  position:relative;display:flex;flex-direction:column;justify-content:space-between;
  min-height:470px;padding:44px 30px 30px;border-radius:12px;color:#fff;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.18);
  backdrop-filter:blur(6px);transition:.35s;
}
.cert-card:hover{background:rgba(255,255,255,.16);transform:translateY(-8px)}
.cert-ico{display:block;width:46px;height:46px;color:var(--red-light)}
.cert-tit{display:block;margin-top:34px;font-size:22px;font-weight:700;letter-spacing:-.03em}
.cert-desc{display:block;margin-top:14px;font-style:normal;font-size:14.5px;line-height:1.6;color:rgba(255,255,255,.7)}
.cert-arrow{
  width:42px;height:42px;border-radius:50%;border:1px solid rgba(255,255,255,.5);
  display:grid;place-items:center;margin-top:36px;transition:.3s;
}
.cert-arrow svg{width:18px;height:18px}
.cert-card:hover .cert-arrow{background:#fff;color:var(--ink);border-color:#fff}

/* =========================================================
   NEWS
   ========================================================= */
.sec-news{padding:150px 0 160px;background:#fff}
.news-inner{max-width:var(--container);margin:0 auto;padding:0 40px;display:grid;grid-template-columns:minmax(0,420px) minmax(0,1fr);gap:70px;align-items:start}
.news-head .sec-title{font-size:46px}
.news-head .btn-line-dark{margin-top:44px}
.news-list-wrap{position:relative}
.news-list>li{border-top:1px solid var(--line)}
.news-list>li:last-child{border-bottom:1px solid var(--line)}
.news-item{display:flex;align-items:center;gap:24px;padding:36px 8px;transition:.3s}
.news-item h3{flex:1;font-size:21px;font-weight:600;letter-spacing:-.03em;transition:.3s;min-width:0}
.news-item p{font-size:15px;color:var(--gray-2);flex:0 0 auto}
.news-item:hover h3{color:var(--red-2)}
.news-item:hover{padding-left:16px}
.news-thumb{display:none}
.news-preview{
  position:absolute;width:280px;height:196px;border-radius:8px;overflow:hidden;pointer-events:none;
  opacity:0;transform:translate(-50%,-50%) scale(.9);transition:opacity .3s,transform .3s;z-index:5;
  box-shadow:0 20px 40px rgba(0,0,0,.28);
}
.news-preview.is-on{opacity:1;transform:translate(-50%,-50%) scale(1)}
.news-preview img{width:100%;height:100%;object-fit:cover}

/* =========================================================
   CTA
   ========================================================= */
.sec-cta{position:relative;min-height:680px;display:flex;align-items:center;background:#05070c;overflow:hidden}
.sec-cta::before{
  content:"";position:absolute;inset:0;background:url("./img/earth-night.jpg") center/cover no-repeat;
}
.cta-overlay{position:absolute;inset:0;background:linear-gradient(to bottom,rgba(4,6,10,.55),rgba(4,6,10,.72))}
.cta-inner{position:relative;max-width:var(--container);margin:0 auto;padding:120px 40px;width:100%;text-align:center}
.sec-cta .sec-title{font-size:48px}
.sec-cta .btn-line-white{margin-top:44px}

/* =========================================================
   FOOTER
   ========================================================= */
.site-footer{background:#000;color:#fff;padding:52px 0 44px}
.footer-inner{max-width:var(--container);margin:0 auto;padding:0 40px;display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap}
.footer-addr-list{display:flex;gap:48px;flex-wrap:wrap}
.footer-addr-item strong{display:flex;align-items:center;gap:6px;font-size:16px;font-weight:700}
.footer-addr-item strong svg{width:16px;height:16px;color:var(--red-light);flex:0 0 16px}
.footer-addr-item p{margin-top:14px;font-size:13.5px;line-height:1.7;color:rgba(255,255,255,.62)}
.footer-copy{display:block;margin-top:36px;font-size:13px;color:rgba(255,255,255,.5)}
.footer-demo{display:block;margin-top:6px;font-size:11px;color:rgba(255,255,255,.3)}

.footer-right{display:flex;flex-direction:column;align-items:flex-end;gap:18px}
.footer-brand .brand-mark{color:#fff}
.footer-brand .brand-text em{color:rgba(255,255,255,.7)}
.footer-menu{display:flex;gap:18px;align-items:center}
.footer-menu li+li{position:relative;padding-left:18px}
.footer-menu li+li::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:1px;height:12px;background:rgba(255,255,255,.3)}
.footer-menu button{font-size:13.5px;color:rgba(255,255,255,.72)}
.footer-menu button:hover{color:#fff;text-decoration:underline}

/* =========================================================
   MODAL
   ========================================================= */
.modal{position:fixed;inset:0;z-index:500;display:grid;place-items:center;padding:24px}
.modal-dim{position:absolute;inset:0;background:rgba(0,0,0,.6)}
.modal-content{position:relative;width:min(620px,100%);background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 30px 70px rgba(0,0,0,.3)}
.modal-header{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:22px 26px;border-bottom:1px solid var(--line)}
.modal-header h2{font-size:20px;font-weight:700}
.modal-close{width:34px;height:34px;display:grid;place-items:center;border-radius:50%}
.modal-close:hover{background:var(--bg-soft)}
.modal-close svg{width:20px;height:20px}
.modal-body{padding:26px;max-height:56vh;overflow-y:auto}
.modal-body p{font-size:14.5px;line-height:1.75;color:var(--gray)}
.modal-body p+p{margin-top:14px}

/* to top */
.to-top{
  position:fixed;right:28px;bottom:28px;width:48px;height:48px;border-radius:50%;
  background:var(--red);color:#fff;display:grid;place-items:center;z-index:200;
  box-shadow:0 10px 26px rgba(0,0,0,.28);
}
.to-top svg{width:20px;height:20px;stroke-width:2}

/* reveal */
.reveal{opacity:0;transform:translateY(30px);transition:opacity .8s ease,transform .8s ease}
.reveal.is-in{opacity:1;transform:none}
.cert-card.reveal{transition-delay:calc(var(--i,0) * 80ms)}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .hero-title,.hero-desc,.hero-title-area .btn-blur{opacity:1;transform:none;animation:none}
  .hero-poster,.btn-down{animation:none}
  html{scroll-behavior:auto}
}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width:1400px){
  .gnb-link{padding:34px 15px;font-size:16px}
  .header-container{padding:0 28px}
  .hero-inner,.mission-inner,.contents-head,.clip-inner,.news-inner,.cta-inner,.footer-inner{padding-left:28px;padding-right:28px}
  .btn-down{right:28px}
}

@media (max-width:1200px){
  .sec-title{font-size:38px}
  .hero-title{font-size:50px}
  .mission-head .sec-title,.contents-head .sec-title,.news-head .sec-title{font-size:36px}
  .count-num{font-size:54px}
  .cert-cards{grid-template-columns:repeat(3,1fr)}
  .cert-card{min-height:340px}
  .panel-set{height:620px}
  .news-inner{grid-template-columns:minmax(0,320px) minmax(0,1fr);gap:44px}
}

@media (max-width:1024px){
  .gnb,.btn-apply:not(.m-apply){display:none}
  .btn-menu{display:flex}
  .header-container{height:70px}
  .header-right{gap:6px}
  .sec-hero{height:auto;max-height:none;min-height:0;padding:150px 0 110px}
  .hero-inner{display:block}
  .hero-title{font-size:40px}
  .hero-desc{font-size:17px;margin-top:24px}
  .hero-title-area .btn-blur{margin-top:34px}
  .btn-down{position:static;margin:48px 0 0 auto}
  .sec-mission{padding:90px 0 100px}
  .mission-inner{grid-template-columns:minmax(0,1fr);gap:0}
  .mission-sticky{position:static}
  .mission-steps{display:none}
  .mission-head{margin-bottom:48px}
  .mission-list{gap:56px}
  .mission-mobile-text{display:block;margin-top:24px}
  .mission-mobile-text .step-tit{font-size:24px}
  .mission-mobile-text .step-desc{font-size:15px}
  .sec-contents{padding:90px 0 100px}
  .contents-head{margin-bottom:44px}
  .panel-set{flex-direction:column;height:auto}
  .panel{height:320px;border-left:0;border-top:1px solid rgba(255,255,255,.28)}
  .panel:first-child{border-top:0}
  .panel.is-active{flex-grow:1}
  .panel-desc{margin-top:14px;max-height:60px;opacity:1}
  .panel-arrow{opacity:1;transform:none;left:auto;right:28px;bottom:48px}
  .panel-body{left:28px;right:90px;bottom:40px}
  .clip-sec{padding:90px 0}
  .count-list{grid-template-columns:repeat(2,1fr);gap:40px 20px;margin-top:56px}
  .count-item:nth-child(3)::before{display:none}
  .cert-cards{grid-template-columns:repeat(2,1fr);margin-top:48px}
  .sec-news{padding:90px 0 100px}
  .news-inner{grid-template-columns:minmax(0,1fr);gap:44px}
  .news-preview{display:none}
  .news-item{padding:24px 4px;gap:18px;flex-wrap:wrap}
  .news-thumb{display:block;width:92px;height:64px;border-radius:6px;overflow:hidden;order:-1;flex:0 0 92px}
  .news-thumb img{width:100%;height:100%;object-fit:cover}
  .news-item h3{font-size:17px;flex:1 1 200px}
  .news-item:hover{padding-left:4px}
  .sec-cta{min-height:0}
  .cta-inner{padding:90px 28px}
  .sec-cta .sec-title{font-size:32px}
  .footer-inner{flex-direction:column}
  .footer-right{align-items:flex-start}
}

@media (max-width:640px){
  .header-container{padding:0 18px}
  .hero-inner,.mission-inner,.contents-head,.clip-inner,.news-inner,.cta-inner,.footer-inner{padding-left:18px;padding-right:18px}
  .brand-mark{width:36px;height:36px;flex-basis:36px}
  .brand-text strong{font-size:17px}
  .brand-text em{font-size:10px}
  .sec-hero{padding:120px 0 80px}
  .hero-title{font-size:31px}
  .hero-desc{font-size:15.5px}
  .btn-blur,.btn-line-dark,.btn-line-white{font-size:14.5px;padding:7px 8px 7px 22px;gap:10px}
  .btn-ico{width:30px;height:30px;flex-basis:30px}
  .sec-title,.mission-head .sec-title,.contents-head .sec-title,.news-head .sec-title,.sec-cta .sec-title{font-size:27px}
  .sec-desc{font-size:15px}
  .ticker-track span{padding:14px 26px;font-size:14px}
  .step-tit{font-size:21px}
  .panel{height:260px}
  .panel-tit{font-size:20px}
  .panel-body{left:18px;right:78px;bottom:28px}
  .panel-arrow{right:18px;bottom:36px;width:38px;height:38px}
  .count-num{font-size:42px}
  .count-unit{font-size:19px}
  .count-item p{font-size:14px;margin-top:14px}
  .cert-cards{grid-template-columns:1fr;gap:12px}
  .cert-card{min-height:0;padding:28px 22px 22px}
  .cert-arrow{margin-top:24px}
  .footer-addr-list{flex-direction:column;gap:24px}
  .to-top{right:14px;bottom:14px;width:42px;height:42px}
}