/* ══════════ tokens ══════════ */
:root{
  --bg:#16283B;
  --bg-2:#1D3350;
  --fg:#DCE6F1;
  --dim:#A2B6C9;
  --faint:#8DA1B4;   /* WCAG AA — bg 5.63:1, bg-2 4.81:1 */
  --white:#fff;
  --accent:#6E9BF7;
  --accent-2:#B9CDFA;
  --line:rgba(220,230,241,.20);
  --line-soft:rgba(220,230,241,.10);
  --en:'Poppins','Pretendard','Apple SD Gothic Neo',-apple-system,BlinkMacSystemFont,sans-serif;
  --kr:'Pretendard','Apple SD Gothic Neo',-apple-system,BlinkMacSystemFont,'Noto Sans KR','Malgun Gothic',sans-serif;
  --nav-h:84px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:70px;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--fg);
  font-family:var(--kr);font-weight:300;font-size:18px;line-height:1.8;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;word-break:keep-all;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0;font-weight:300;line-height:1.2;color:var(--white)}
p{margin:0 0 1em}
ul{margin:0;padding:0;list-style:none}
::selection{background:var(--accent);color:#fff}

.wrap{width:min(1220px,calc(100% - 80px));margin-inline:auto}
@media(max-width:820px){.wrap{width:calc(100% - 36px)}}

.eng{
  font-family:var(--en);font-size:13.5px;font-weight:400;letter-spacing:.32em;
  text-transform:uppercase;color:var(--dim);
}

/* ══════════ nav ══════════ */
.nav{
  position:fixed;inset:0 0 auto;z-index:100;height:var(--nav-h);display:flex;align-items:center;
  transition:height .4s,background .4s,border-color .4s;border-bottom:1px solid transparent;
}
.nav.stuck{height:62px;background:rgba(22,40,59,.9);backdrop-filter:blur(16px) saturate(150%);border-bottom-color:var(--line-soft)}
/* 모바일 메뉴가 열리면 blur 를 끕니다 —
   backdrop-filter 가 걸린 조상은 position:fixed 의 기준이 되어버려
   화면 중간에서 메뉴를 열면 내비 높이 안에 갇히기 때문입니다. */
.nav.menu-open,.nav.stuck.menu-open{
  backdrop-filter:none;-webkit-backdrop-filter:none;background:transparent;border-bottom-color:transparent;
}
.burger{position:relative}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px}
.logo{display:flex;align-items:center;gap:12px;font-family:var(--en);flex:none}
.logo b{font-size:21.5px;font-weight:600;letter-spacing:.22em;color:var(--white)}
.logo i{width:1px;height:15px;background:var(--line);display:block}
.logo span{font-size:12.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--faint)}
@media(max-width:1240px){.logo i,.logo span{display:none}}
.links{display:flex;align-items:center;gap:26px}
.links a{
  font-family:var(--en);font-size:14px;letter-spacing:.2em;text-transform:uppercase;color:var(--dim);
  position:relative;padding:8px 0;transition:color .3s;white-space:nowrap;
}
.links a::after{content:"";position:absolute;left:0;bottom:2px;width:0;height:1px;background:var(--accent);transition:width .4s cubic-bezier(.4,0,.2,1)}
.links a:hover,.links a.active{color:var(--white)}
.links a:hover::after,.links a.active::after{width:100%}
.burger{display:none;background:none;border:none;padding:12px 0 12px 12px;cursor:pointer;z-index:2}
.burger i{display:block;width:26px;height:1px;background:var(--fg);transition:transform .4s,opacity .25s}
.burger i+i{margin-top:8px}
.burger[aria-expanded="true"] i:nth-child(1){transform:translateY(9px) rotate(45deg)}
.burger[aria-expanded="true"] i:nth-child(2){opacity:0}
.burger[aria-expanded="true"] i:nth-child(3){transform:translateY(-9px) rotate(-45deg)}
@media(max-width:1200px){
  .burger{display:block}
  .links{
    position:fixed;inset:0;background:rgba(22,40,59,.97);backdrop-filter:blur(12px);
    flex-direction:column;justify-content:center;gap:4px;opacity:0;pointer-events:none;transition:opacity .35s;
  }
  .links.open{opacity:1;pointer-events:auto}
  .links a{font-size:17px;letter-spacing:.3em;padding:15px 0;color:var(--fg)}
}

/* ══════════ hero ══════════ */
.hero{
  position:relative;min-height:100svh;display:grid;place-items:center;text-align:center;
  padding:var(--nav-h) 0 90px;overflow:hidden;
}
.hero .bgfx{position:absolute;inset:-25%;z-index:0}
.hero .bgfx::before,.hero .bgfx::after{content:"";position:absolute;inset:0;filter:blur(40px)}
.hero .bgfx::before{
  background:radial-gradient(46% 42% at 70% 26%, rgba(110,155,247,.34), transparent 64%);
  animation:drift1 20s ease-in-out infinite alternate;
}
.hero .bgfx::after{
  background:radial-gradient(44% 40% at 24% 76%, rgba(80,196,237,.30), transparent 64%);
  animation:drift2 26s ease-in-out infinite alternate;
}
@keyframes drift1{to{transform:translate3d(-6%,4%,0) scale(1.18)}}
@keyframes drift2{to{transform:translate3d(7%,-5%,0) scale(1.14)}}
.hero-video{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0;
  opacity:.55;filter:saturate(.85);
}
.hero .veil{
  position:absolute;inset:0;z-index:1;pointer-events:none;
  background-image:linear-gradient(var(--line-soft) 1px,transparent 1px),linear-gradient(90deg,var(--line-soft) 1px,transparent 1px);
  background-size:110px 110px;
  -webkit-mask-image:radial-gradient(70% 62% at 50% 45%,#000,transparent);
          mask-image:radial-gradient(70% 62% at 50% 45%,#000,transparent);
}
.hero .wrap{position:relative;z-index:2}
.hero .eng{display:block;margin-bottom:34px;opacity:0;animation:fade 1.1s .1s cubic-bezier(.2,.8,.3,1) both}
.hero .brandline{
  font-family:var(--en);font-size:clamp(2.62rem,7.98vw,6.1rem);font-weight:200;letter-spacing:-.03em;
  line-height:1.02;color:var(--white);text-transform:uppercase;margin:0 0 26px;
  opacity:0;animation:fade 1.2s .2s cubic-bezier(.2,.8,.3,1) both;
}
.hero .brandline em{font-style:normal;color:var(--faint)}
.hero .copy{
  font-size:clamp(1.11rem,2.31vw,1.44rem);font-weight:200;line-height:1.95;color:var(--fg);
  margin:0 auto 16px;max-width:36ch;opacity:0;animation:fade 1.2s .36s cubic-bezier(.2,.8,.3,1) both;
}
.hero .copy b{font-weight:400;color:var(--accent-2)}
.hero .sub{
  font-size:17px;color:var(--faint);max-width:52ch;margin:0 auto 50px;line-height:1.95;
  opacity:0;animation:fade 1.2s .5s cubic-bezier(.2,.8,.3,1) both;
}
@keyframes fade{from{opacity:0;transform:translateY(22px)}to{opacity:1;transform:none}}
.viewmore{
  display:inline-flex;align-items:center;gap:14px;font-family:var(--en);font-size:14px;
  letter-spacing:.3em;text-transform:uppercase;color:var(--fg);border:1px solid var(--line);
  padding:17px 34px;transition:border-color .4s,color .4s,background .4s,letter-spacing .4s;
  opacity:0;animation:fade 1.2s .64s cubic-bezier(.2,.8,.3,1) both;
}
.viewmore:hover{border-color:var(--accent);color:var(--white);background:rgba(110,155,247,.1);letter-spacing:.36em}
.hero .down{
  position:absolute;left:50%;bottom:38px;transform:translateX(-50%);z-index:2;
  width:1px;height:64px;background:linear-gradient(var(--line),transparent);overflow:hidden;
}
.hero .down::after{content:"";position:absolute;inset:0;background:var(--accent);animation:drop 2.4s cubic-bezier(.6,0,.2,1) infinite}
@keyframes drop{0%{transform:translateY(-100%)}60%,100%{transform:translateY(100%)}}

/* ══════════ ticker ══════════ */
.ticker{border-block:1px solid var(--line);overflow:hidden;background:rgba(37,62,90,.3);padding:16px 0;white-space:nowrap}
.ticker .track{display:inline-flex;animation:slide 38s linear infinite;will-change:transform}
.ticker:hover .track{animation-play-state:paused}
@keyframes slide{to{transform:translateX(-50%)}}
.ticker .ti{
  font-style:normal;font-family:var(--en);font-size:12.5px;letter-spacing:.22em;text-transform:uppercase;
  color:var(--dim);display:inline-flex;align-items:center;padding-right:52px;transition:color .3s;
}
.ticker .ti::after{content:"◆";font-size:6.5px;color:var(--accent);margin-left:52px;opacity:.75}
.ticker .ti.kr{font-family:var(--kr);letter-spacing:.08em;text-transform:none;color:var(--accent-2);font-size:14px}
a.ti:hover{color:var(--white)}
a.ti em{
  font-style:normal;font-size:.8em;color:var(--accent);margin-left:7px;opacity:.9;
  display:inline-block;transition:transform .3s;
}
a.ti:hover em{transform:translate(2px,-2px)}

/* ══════════ section ══════════ */
section{padding:140px 0;position:relative}
@media(max-width:820px){section{padding:88px 0}}
.divide{border-top:1px solid var(--line-soft)}
.chead{text-align:center;margin-bottom:78px}
.chead .eng{display:block;margin-bottom:20px;color:var(--faint)}
.chead h2{font-size:clamp(2.02rem,4.62vw,3.22rem);font-weight:200;letter-spacing:-.02em;color:var(--white);margin-bottom:16px}
.chead .en2{
  font-family:var(--en);font-size:16px;font-weight:300;letter-spacing:.24em;text-transform:uppercase;
  color:var(--accent-2);display:block;
}
.chead p{font-size:17px;color:var(--dim);max-width:60ch;margin:30px auto 0;line-height:1.95}
.rule{display:block;width:1px;height:46px;background:linear-gradient(var(--accent),transparent);margin:0 auto 30px}
.subhead{
  display:flex;align-items:baseline;gap:18px;margin-bottom:30px;padding-bottom:16px;border-bottom:1px solid var(--line);
}
.subhead h3{font-size:1.22rem;font-weight:300;color:var(--white);white-space:nowrap}
.subhead .eng{color:var(--faint)}
.subhead hr{flex:1;border:none;border-top:1px solid var(--line-soft);margin:0}

/* ══════════ interests ══════════ */
.rows{border-top:1px solid var(--line)}
.rowitem{
  display:grid;grid-template-columns:88px 1fr 1.1fr;gap:34px;align-items:center;
  padding:34px 8px;border-bottom:1px solid var(--line);position:relative;
  transition:padding-left .45s cubic-bezier(.4,0,.2,1);
}
.rowitem::before{content:"";position:absolute;left:0;top:0;bottom:0;width:0;background:linear-gradient(90deg,rgba(110,155,247,.15),transparent);transition:width .6s cubic-bezier(.4,0,.2,1)}
.rowitem:hover{padding-left:26px}
.rowitem:hover::before{width:100%}
.rowitem>*{position:relative}
.rowitem .no{font-family:var(--en);font-size:14px;letter-spacing:.2em;color:var(--accent)}
.rowitem h3{font-family:var(--en);font-size:clamp(1.29rem,2.42vw,1.87rem);font-weight:200;text-transform:uppercase;transition:color .35s}
.rowitem:hover h3{color:var(--accent-2)}
.rowitem p{font-size:17.5px;color:var(--dim);margin:0}
@media(max-width:820px){
  .rowitem{grid-template-columns:54px 1fr;gap:6px 18px;padding:26px 4px}
  .rowitem p{grid-column:2}
}

/* ══════════ news timeline ══════════ */
.tyear{display:grid;grid-template-columns:170px 1fr;gap:40px;padding:32px 0;border-top:1px solid var(--line)}
.tyear:last-child{border-bottom:1px solid var(--line)}
.tyear .y{font-family:var(--en);font-size:2.29rem;font-weight:200;color:var(--white);line-height:1;letter-spacing:-.03em}
.tyear ul li{
  padding:10px 0;font-size:17px;color:var(--fg);line-height:1.75;position:relative;padding-left:22px;
  transition:color .3s,padding-left .35s;
}
.tyear ul li::before{content:"";position:absolute;left:0;top:18px;width:7px;height:1px;background:var(--faint);transition:width .35s,background .35s}
.tyear ul li:hover{color:var(--white);padding-left:30px}
.tyear ul li:hover::before{width:16px;background:var(--accent)}
.tyear ul li b{color:var(--accent-2);font-weight:400}
.tyear ul li span{color:var(--faint)}
@media(max-width:760px){.tyear{grid-template-columns:1fr;gap:12px;padding:26px 0}.tyear .y{font-size:1.96rem}}

/* ══════════ project tiles ══════════ */
.pgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
@media(max-width:980px){.pgrid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:660px){.pgrid{grid-template-columns:1fr}}
.tile{
  border:1px solid var(--line);background:var(--bg-2);display:flex;flex-direction:column;overflow:hidden;
  transition:transform .55s cubic-bezier(.2,.8,.3,1),border-color .5s;
}
.tile:hover{transform:translateY(-9px);border-color:rgba(110,155,247,.5)}
.tile .cover{position:relative;height:190px;overflow:hidden;flex:none;
  background:linear-gradient(140deg,#ffffff 0%,#eaf1fb 100%);
  display:flex;align-items:center;justify-content:center;padding:22px 26px;}
.tile .cover .glow{display:none}
.tile:hover .cover .glow{transform:scale(1.16)}
.tile.t1 .glow{background:radial-gradient(72% 92% at 26% 16%,rgba(110,155,247,.65),transparent 66%),radial-gradient(62% 80% at 86% 90%,rgba(96,214,247,.40),transparent 62%)}
.tile.t2 .glow{background:radial-gradient(72% 92% at 80% 18%,rgba(150,222,247,.52),transparent 66%),radial-gradient(62% 80% at 14% 88%,rgba(110,155,247,.42),transparent 62%)}
.tile.t3 .glow{background:radial-gradient(72% 92% at 50% 10%,rgba(185,205,250,.50),transparent 66%),radial-gradient(62% 80% at 18% 92%,rgba(80,196,237,.44),transparent 62%)}
.tile .cover::after{display:none}
.tile .cover b{
  position:absolute;left:20px;bottom:6px;z-index:2;font-family:var(--en);font-size:63.5px;font-weight:200;
  line-height:1;color:rgba(14,24,33,.13);letter-spacing:-.04em;
}
.tile .body{padding:28px 24px 24px;display:flex;flex-direction:column;flex:1}
.tile .eng{display:block;margin-bottom:14px;color:var(--accent-2);font-size:13px}
.tile h3{font-size:1.24rem;font-weight:300;line-height:1.45;margin-bottom:14px}
.tile p{font-size:17px;color:var(--dim);line-height:1.85;margin:0 0 22px;flex:1}
.tile .meta{
  display:flex;flex-wrap:wrap;gap:6px 16px;font-family:var(--en);font-size:13.5px;letter-spacing:.13em;
  text-transform:uppercase;color:var(--faint);border-top:1px solid var(--line-soft);padding-top:16px;
}
.tile .meta em{font-style:normal;color:var(--fg);font-family:var(--kr);letter-spacing:.02em}

/* ══════════ table ══════════ */
.tscroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
.tbl{width:100%;border-collapse:collapse;min-width:760px;table-layout:fixed}
.tbl col.c-title{width:auto}
.tbl col.c-agency{width:110px}
.tbl col.c-period{width:190px}
.tbl col.c-role{width:120px}
.tbl th{
  text-align:left;font-family:var(--en);font-size:13px;font-weight:400;letter-spacing:.26em;text-transform:uppercase;
  color:var(--faint);padding:0 18px 16px 0;border-bottom:1px solid var(--line);white-space:nowrap;
}
.tbl td{padding:24px 18px 24px 0;border-bottom:1px solid var(--line-soft);vertical-align:top;transition:background .35s}
.tbl tr:hover td{background:rgba(110,155,247,.05)}
.tbl .t{font-size:17.5px;color:var(--white);font-weight:300;line-height:1.6}
.tbl .t small{display:block;color:var(--faint);font-size:16px;margin-top:6px}
.tbl .m{font-family:var(--en);font-size:14.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--dim);white-space:nowrap}
.role{
  display:inline-block;border:1px solid var(--line);padding:4px 12px;font-family:var(--en);font-size:13px;
  letter-spacing:.16em;text-transform:uppercase;color:var(--dim);white-space:nowrap;
}
.role.pi{border-color:rgba(110,155,247,.5);color:var(--accent-2)}

/* ══════════ professor ══════════ */
.prof{display:grid;grid-template-columns:.88fr 1.12fr;gap:70px;align-items:start}
@media(max-width:940px){.prof{grid-template-columns:1fr;gap:46px}}
.pcard{
  border:1px solid var(--line);padding:46px 38px;position:sticky;top:96px;
  background:linear-gradient(165deg,rgba(37,62,90,.5),rgba(22,40,59,.15));
}
@media(max-width:940px){.pcard{position:static}}
.pcard .mark{
  width:74px;height:74px;border:1px solid rgba(110,155,247,.45);display:grid;place-items:center;
  font-family:var(--en);font-size:22.5px;font-weight:200;letter-spacing:.06em;color:var(--white);margin-bottom:34px;
}
.pcard h3{font-size:2.18rem;font-weight:200;margin-bottom:6px}
.pcard h3 em{font-style:normal;font-family:var(--en);font-size:1.04rem;color:var(--dim);letter-spacing:.06em;margin-left:12px}
.pcard .rl{font-size:17px;color:var(--dim);line-height:1.85;margin-bottom:34px}
.pcard dl{margin:0;display:grid;grid-template-columns:74px 1fr;gap:14px 18px;font-size:17px;align-items:baseline}
.pcard dt{font-family:var(--en);font-size:13px;letter-spacing:.24em;text-transform:uppercase;color:var(--faint)}
.pcard dd{margin:0;color:var(--fg);overflow-wrap:anywhere}
.pcard dd a{border-bottom:1px solid var(--line);transition:color .3s,border-color .3s}
.pcard dd a:hover{color:var(--accent-2);border-color:var(--accent)}
.blk{margin-bottom:54px}
.blk:last-child{margin-bottom:0}
.blk>.eng{display:block;padding-bottom:16px;border-bottom:1px solid var(--line)}
.cv li{
  display:grid;grid-template-columns:132px 1fr;gap:24px;padding:16px 0;border-bottom:1px solid var(--line-soft);
  font-size:17.5px;transition:padding-left .4s;
}
.cv li:hover{padding-left:12px}
.cv li time{font-family:var(--en);font-size:14.5px;letter-spacing:.14em;color:var(--faint);padding-top:3px}
.cv li b{color:var(--white);font-weight:400}
.cv li i{font-style:normal;color:var(--dim)}
@media(max-width:600px){.cv li{grid-template-columns:1fr;gap:3px}}
.tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:22px}
.tag{
  border:1px solid var(--line);padding:9px 17px;font-size:15.5px;color:var(--dim);
  transition:border-color .35s,color .35s,transform .35s;
}
.tag:hover{border-color:rgba(110,155,247,.5);color:var(--white);transform:translateY(-2px)}

/* ══════════ tabs ══════════ */
.tabs{display:flex;gap:40px;border-bottom:1px solid var(--line);margin-bottom:52px;flex-wrap:wrap;justify-content:center}
.tab{
  background:none;border:none;border-bottom:1px solid transparent;margin-bottom:-1px;padding:0 0 18px;cursor:pointer;
  font-family:var(--en);font-size:14.5px;font-weight:400;letter-spacing:.26em;text-transform:uppercase;color:var(--faint);
  transition:color .3s,border-color .3s;
}
.tab:hover{color:var(--fg)}
.tab[aria-selected="true"]{color:var(--white);border-bottom-color:var(--accent)}
.tab sup{font-size:13px;letter-spacing:.05em;color:var(--accent);margin-left:6px;position:relative;top:-.6em}
.panel[hidden]{display:none}

/* ══════════ publications timeline ══════════ */
.tl{position:relative;padding:4px 0 24px}
.tl::before{
  content:"";position:absolute;left:50%;top:0;bottom:0;width:1px;transform:translateX(-50%);
  background:linear-gradient(180deg,transparent,var(--line) 4%,var(--line) 96%,transparent);
}
.tl-year{position:relative;z-index:3;text-align:center;margin:56px 0 34px}
.tl-year:first-child{margin-top:0}
.tl-year span{
  display:inline-block;background:var(--bg);border:1px solid var(--line);padding:9px 26px;
  font-family:var(--en);font-size:1.64rem;font-weight:200;color:var(--white);letter-spacing:-.02em;line-height:1.1;
}
.tl-year small{
  display:block;font-family:var(--en);font-size:13px;letter-spacing:.24em;text-transform:uppercase;
  color:var(--faint);margin-top:12px;
}
.tl-item{position:relative;width:calc(50% - 48px);margin-bottom:20px}
.tl-item.l{margin-right:auto}
.tl-item.r{margin-left:auto}
.tl-item::before{content:"";position:absolute;top:40px;width:48px;height:1px;background:var(--line);transition:background .35s}
.tl-item.l::before{right:-48px}
.tl-item.r::before{left:-48px}
.tl-item::after{
  content:"";position:absolute;top:36px;width:9px;height:9px;border-radius:50%;z-index:2;
  border:1px solid var(--accent);background:var(--bg);transition:background .35s,transform .35s,box-shadow .35s;
}
.tl-item.l::after{right:-52.5px}
.tl-item.r::after{left:-52.5px}
.tl-item:hover::before{background:var(--accent)}
.tl-item:hover::after{background:var(--accent);transform:scale(1.35);box-shadow:0 0 0 6px rgba(110,155,247,.15)}
.tl-card{
  border:1px solid var(--line);background:var(--bg-2);padding:24px 26px;
  transition:transform .45s cubic-bezier(.2,.8,.3,1),border-color .4s,background .4s;
}
.tl-item:hover .tl-card{transform:translateY(-4px);border-color:rgba(110,155,247,.55)}
.tl-item.l .tl-card{text-align:right}
.tl-card h3{font-size:18.5px;font-weight:300;line-height:1.55;color:var(--white);margin-bottom:12px}
.tl-card .au{font-size:16px;color:var(--faint);line-height:1.8;margin:0 0 16px}
.tl-card .au em{font-style:normal;color:var(--fg);border-bottom:1px solid rgba(110,155,247,.45)}
.tl-card .foot{
  display:flex;flex-wrap:wrap;gap:8px 14px;align-items:center;
  padding-top:14px;border-top:1px solid var(--line-soft);
}
.tl-item.l .tl-card .foot{justify-content:flex-end}
.tl-card .j{font-size:16px;color:var(--accent-2)}
.tl-card .v{font-family:var(--en);font-size:13.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--faint)}
.tl-card .inv{font-size:16px;color:var(--faint);line-height:1.75;margin:0 0 16px}
.tl-card .no{font-family:var(--en);font-size:14px;letter-spacing:.08em;color:var(--fg)}
.mk{
  display:inline-block;border:1px solid var(--line);padding:3px 10px;font-family:var(--en);font-size:13px;
  letter-spacing:.14em;text-transform:uppercase;color:var(--dim);
}
.mk.q1{border-color:rgba(250,241,124,.55);color:#FAF17C}
.mk.q2{border-color:rgba(150,222,247,.55);color:#9BE0F7}
.mk.ap{border-color:rgba(110,155,247,.5);color:var(--accent-2)}
.mk.rg{border-color:rgba(150,222,247,.5);color:#9BE0F7}
@media(max-width:880px){
  .tl::before{left:11px;transform:none}
  .tl-year{text-align:left;margin:44px 0 24px}
  .tl-year span{padding:7px 18px;font-size:1.42rem}
  .tl-year small{margin-top:10px;padding-left:2px}
  .tl-item{width:auto;margin-left:52px;margin-right:0}
  .tl-item.l .tl-card,.tl-item.l .tl-card .foot{text-align:left;justify-content:flex-start}
  .tl-item.l::before,.tl-item.r::before{left:-40px;right:auto;width:40px}
  .tl-item.l::after,.tl-item.r::after{left:-44.5px;right:auto}
}

.tl .hid{display:none}
.tl.open .hid{display:block}
.tl-more{position:relative;z-index:3;text-align:center;margin-top:38px}
.morebtn{
  background:var(--bg);border:1px solid var(--line);color:var(--dim);cursor:pointer;
  font-family:var(--kr);font-size:16px;font-weight:300;letter-spacing:.1em;
  padding:15px 32px;display:inline-flex;align-items:center;gap:14px;
  transition:border-color .35s,color .35s,background .35s;
}
.morebtn:hover{border-color:var(--accent);color:var(--white);background:rgba(110,155,247,.1)}
.morebtn i{font-style:normal;font-size:18px;line-height:1;color:var(--accent);transition:transform .45s cubic-bezier(.4,0,.2,1)}
.morebtn[aria-expanded="true"] i{transform:rotate(135deg)}

/* ══════════ members ══════════ */
.mgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
@media(max-width:900px){.mgrid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.mgrid{grid-template-columns:1fr}}
.mcard{border:1px solid var(--line);padding:38px 30px;position:relative;overflow:hidden;transition:transform .5s cubic-bezier(.2,.8,.3,1),border-color .45s}
.mcard::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .6s cubic-bezier(.4,0,.2,1)}
.mcard:hover{transform:translateY(-7px);border-color:rgba(110,155,247,.42)}
.mcard:hover::after{transform:scaleX(1)}
.mcard .ini{
  width:56px;height:56px;border:1px solid var(--line);display:grid;place-items:center;margin-bottom:28px;
  font-family:var(--en);font-size:17px;letter-spacing:.12em;color:var(--accent-2);font-weight:300;
}
.mcard h3{font-size:1.47rem;font-weight:300;margin-bottom:6px}
.mcard .en3{font-family:var(--en);font-size:13.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--faint);display:block;margin-bottom:20px}
.mcard .pos{font-family:var(--en);font-size:13.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--accent-2);margin-bottom:10px}
.mcard .int{font-size:17px;color:var(--dim);margin:0}
.alum li{
  display:grid;grid-template-columns:1fr 168px 1.1fr;gap:10px 30px;align-items:baseline;padding:20px 8px;
  border-bottom:1px solid var(--line-soft);transition:padding-left .4s,background .4s;
}
.alum li:hover{padding-left:18px;background:rgba(110,155,247,.05)}
.alum .n{font-size:17px;color:var(--white);font-weight:300}
.alum .n em{font-style:normal;font-family:var(--en);font-size:13.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--faint);margin-left:10px}
.alum .d{font-family:var(--en);font-size:13.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--faint)}
.alum .now{font-size:17px;color:var(--dim)}
@media(max-width:760px){.alum li{grid-template-columns:1fr}}

/* ══════════ visiting ══════════ */
.visit{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:stretch}
@media(max-width:880px){.visit{grid-template-columns:1fr}}
.vinfo{border:1px solid var(--line);padding:44px 38px}
.vinfo dl{margin:0;display:grid;grid-template-columns:130px 1fr;gap:22px 20px;align-items:baseline}
.vinfo dt{font-family:var(--en);font-size:13px;letter-spacing:.24em;text-transform:uppercase;color:var(--faint)}
.vinfo dd{margin:0;font-size:17px;color:var(--white);line-height:1.8}
.vinfo dd small{display:block;font-family:var(--en);font-size:14.5px;color:var(--faint);margin-top:8px;line-height:1.75}
.vinfo dd a{border-bottom:1px solid var(--line);transition:color .3s,border-color .3s}
.vinfo dd a:hover{color:var(--accent-2);border-color:var(--accent)}
@media(max-width:560px){.vinfo{padding:32px 24px}.vinfo dl{grid-template-columns:1fr;gap:6px 0}.vinfo dd{margin-bottom:16px}}
.vmap{border:1px solid var(--line);display:flex;flex-direction:column;overflow:hidden;background:var(--bg-2)}
.vmap .fig{
  flex:1;min-height:250px;position:relative;display:grid;place-items:center;
  background:radial-gradient(60% 70% at 50% 40%,rgba(110,155,247,.22),transparent 66%);
}
.vmap .fig::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(var(--line-soft) 1px,transparent 1px),linear-gradient(90deg,var(--line-soft) 1px,transparent 1px);
  background-size:32px 32px;
}
.pin{position:relative;text-align:center;z-index:1}
.pin .dot{width:12px;height:12px;border-radius:50%;background:var(--accent);margin:0 auto 16px;box-shadow:0 0 0 8px rgba(110,155,247,.16),0 0 0 18px rgba(110,155,247,.08)}
.pin b{display:block;font-size:17px;color:var(--white);font-weight:300}
.pin span{font-family:var(--en);font-size:13.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--faint)}
.vmap .act{padding:18px 22px;border-top:1px solid var(--line);display:flex;gap:10px;flex-wrap:wrap}
.vmap .act a{
  border:1px solid var(--line);padding:12px 18px;font-family:var(--en);font-size:13.5px;letter-spacing:.2em;
  text-transform:uppercase;color:var(--dim);transition:border-color .35s,color .35s,background .35s;
}
.vmap .act a:hover{border-color:rgba(110,155,247,.55);color:var(--white);background:rgba(110,155,247,.08)}
.bigmail{
  display:inline-block;font-family:var(--en);font-size:clamp(1.53rem,5.25vw,3.6rem);font-weight:200;
  letter-spacing:-.03em;color:var(--white);line-height:1.1;position:relative;
}
.bigmail::after{content:"";position:absolute;left:0;right:0;bottom:-8px;height:1px;background:var(--faint);transform:scaleX(0);transform-origin:right;transition:transform .6s cubic-bezier(.4,0,.2,1)}
.bigmail:hover::after{transform:scaleX(1);transform-origin:left}

/* ══════════ partners ══════════ */
.pset{margin-bottom:46px}
.pset:last-child{margin-bottom:0}
.pset>.eng{display:block;padding-bottom:18px;border-bottom:1px solid var(--line);text-align:center}
.wall{display:grid;grid-template-columns:repeat(4,1fr)}
@media(max-width:900px){.wall{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.wall{grid-template-columns:1fr}}
.wall div{padding:36px 20px;border-right:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);text-align:center;transition:background .4s}
.wall div:hover{background:rgba(110,155,247,.07)}
.wall b{display:block;font-size:1.14rem;font-weight:300;color:var(--dim);transition:color .4s,transform .4s}
.wall div:hover b{color:var(--white);transform:translateY(-2px)}
.wall span{display:block;font-family:var(--en);font-size:13px;letter-spacing:.2em;text-transform:uppercase;color:var(--faint);margin-top:9px}

/* ══════════ images ══════════ */
.logo img{height:34px;width:auto;display:block;opacity:.95;transition:opacity .3s}
.logo:hover img{opacity:1}
@media(max-width:560px){.logo img{height:28px}}

.pcard .portrait{
  width:100%;max-width:100%;aspect-ratio:342/472;object-fit:contain;background:rgba(255,255,255,.04);
  border:1px solid var(--line);margin-bottom:32px;filter:saturate(.92) contrast(1.02);
}

.tile .orgplate{
  position:relative;z-index:3;width:100%;
  transition:transform .5s cubic-bezier(.2,.8,.3,1);
}
.tile:hover .orgplate{transform:scale(1.05)}
.tile .orgplate img{width:100%;height:auto;display:block}

.tyear ul li.withimg{
  display:grid;grid-template-columns:236px 1fr;gap:28px;align-items:center;padding:18px 0 18px 0;
}
.tyear ul li.withimg::before{display:none}
.tyear ul li.withimg img{
  width:236px;height:168px;object-fit:contain;padding:10px;
  background:rgba(255,255,255,.055);border:1px solid var(--line);
  filter:saturate(.9);transition:filter .4s,background .4s,border-color .4s;
}
.tyear ul li.withimg:hover{padding-left:0}
.tyear ul li.withimg:hover img{filter:none;background:rgba(255,255,255,.09);border-color:rgba(110,155,247,.45)}
@media(max-width:820px){
  .tyear ul li.withimg{grid-template-columns:170px 1fr;gap:20px}
  .tyear ul li.withimg img{width:170px;height:124px;padding:8px}
}
@media(max-width:560px){
  .tyear ul li.withimg{grid-template-columns:1fr;gap:14px}
  .tyear ul li.withimg img{width:100%;height:200px}
}

.mcard .photo{
  width:100%;aspect-ratio:23/20;object-fit:cover;object-position:center 30%;
  border:1px solid var(--line);margin-bottom:26px;filter:saturate(.9);transition:filter .45s
}
.mcard:hover .photo{filter:none}

.alum .n{display:flex;align-items:center;gap:14px}
.athumb{
  width:38px;height:38px;border-radius:50%;object-fit:cover;object-position:center 22%;
  border:1px solid var(--line);flex:none;filter:saturate(.8) brightness(.92);transition:filter .4s
}
.alum li:hover .athumb{filter:none}

.logowall{
  display:grid;grid-template-columns:repeat(6,1fr);background:#fff;
  border:1px solid var(--line);gap:1px;padding:1px;
}
.logowall>div{
  background:#fff;display:flex;align-items:center;justify-content:center;
  padding:26px 20px;min-height:118px;position:relative;transition:background .35s;
}
.logowall>div::after{
  content:"";position:absolute;inset:0;box-shadow:inset 0 0 0 1px #eef2f6;pointer-events:none;
}
.logowall>div:hover{background:#f4f8fd}
.logowall img{
  max-width:100%;max-height:60px;object-fit:contain;
  filter:grayscale(1) opacity(.62);transition:filter .4s,transform .4s;
}
.logowall>div:hover img{filter:none;transform:scale(1.06)}
@media(max-width:900px){.logowall{grid-template-columns:repeat(3,1fr)}.logowall>div{min-height:98px;padding:20px 14px}}
@media(max-width:520px){.logowall{grid-template-columns:repeat(2,1fr)}}

.band{position:relative;overflow:hidden;border-top:1px solid var(--line-soft);line-height:0}
.band img{width:100%;height:auto;display:block;filter:saturate(.86) brightness(.78)}
.band::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(22,40,59,.72),rgba(22,40,59,.28) 42%,rgba(22,40,59,.96));
}


/* ══════════ closing ══════════ */
.closing{position:relative;text-align:center;padding:165px 0 145px;border-top:1px solid var(--line-soft);overflow:hidden}
.closing::before{
  content:"";position:absolute;inset:-40% -10%;z-index:0;filter:blur(50px);
  background:radial-gradient(40% 44% at 50% 50%, rgba(110,155,247,.26), transparent 68%);
  animation:drift1 24s ease-in-out infinite alternate;
}
.closing .wrap{position:relative;z-index:1}
.big{
  font-family:var(--en);font-size:clamp(3.05rem,10.08vw,7.85rem);font-weight:200;line-height:.98;
  letter-spacing:-.035em;text-transform:uppercase;color:var(--white);margin-bottom:54px;
}
.big span{display:block}
.big .dim{color:var(--faint)}
.contactus{
  display:inline-flex;align-items:center;gap:16px;font-family:var(--en);font-size:14.5px;letter-spacing:.3em;
  text-transform:uppercase;color:var(--fg);border-bottom:1px solid var(--line);padding-bottom:12px;
  transition:color .35s,border-color .35s,gap .35s;
}
.contactus:hover{color:var(--white);border-color:var(--accent);gap:24px}
@media(max-width:820px){.closing{padding:104px 0 96px}}

/* ══════════ footer ══════════ */
footer{border-top:1px solid var(--line);padding:42px 0}
footer .wrap{display:flex;flex-wrap:wrap;gap:14px 40px;justify-content:space-between;align-items:center}
footer p{margin:0;font-size:16px;color:var(--faint);line-height:1.9}
footer .cr{font-family:var(--en);font-size:13.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--faint)}
.totop{
  font-family:var(--en);font-size:13.5px;letter-spacing:.26em;text-transform:uppercase;color:var(--dim);
  display:inline-flex;align-items:center;gap:10px;transition:color .3s;
}
.totop:hover{color:var(--white)}

/* ══════════ reveal ══════════ */
.rv{opacity:0;transform:translateY(18px);transition:opacity .45s cubic-bezier(.2,.8,.3,1),transform .45s cubic-bezier(.2,.8,.3,1)}
.rv.in{opacity:1;transform:none}
.rv.d1{transition-delay:.05s}.rv.d2{transition-delay:.1s}
/* 앵커 진입·스크롤 복원처럼 중간부터 열릴 때는 애니메이션 없이 즉시 표시 */
.rv.now{transition:none}
@media(prefers-reduced-motion:reduce){
  .rv{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition-duration:.01ms!important}
}

/* ══════════ 갤러리 ══════════ */
/* 타일은 항상 정사각형입니다. 사진·영상 모두 가운데를 기준으로 잘립니다. */
.gtile{
  position:relative;margin:0;padding:0;width:100%;display:block;aspect-ratio:1/1;
  overflow:hidden;cursor:zoom-in;text-align:left;font:inherit;color:inherit;
  background:var(--bg-2);border:1px solid var(--line);
}
.gtile:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.gtile .gmedia{
  width:100%;height:100%;object-fit:cover;display:block;
  filter:saturate(.92);transition:transform .6s cubic-bezier(.2,.8,.3,1),filter .45s;
}
.gtile:hover .gmedia{transform:scale(1.05);filter:none}

/* 링크가 있으면 타일 전체가 클릭 영역이 됩니다. */
.gtile .glink{position:absolute;inset:0;z-index:3}
.sr-only{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;
}

/* 설명 — 아래쪽에 그라데이션으로 얹습니다. */
.gtile .gcap{
  position:absolute;left:0;right:0;bottom:0;z-index:2;padding:34px 14px 12px;
  display:flex;flex-direction:column;gap:2px;pointer-events:none;
  background:linear-gradient(180deg,transparent,rgba(10,20,32,.82));
}
.gtile .gcap b{
  font-size:14px;font-weight:400;line-height:1.45;color:#fff;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.gtile .gcap i{
  font-style:normal;font-family:var(--en);font-size:11px;letter-spacing:.16em;
  text-transform:uppercase;color:rgba(255,255,255,.72);
}

/* 영상 표시 — 재생 중에는 숨깁니다. */
.gtile .gplay{
  position:absolute;top:12px;right:12px;z-index:2;width:26px;height:26px;border-radius:50%;
  background:rgba(10,20,32,.55);backdrop-filter:blur(3px);
  border:1px solid rgba(255,255,255,.34);transition:opacity .35s;
}
.gtile .gplay::after{
  content:"";position:absolute;top:50%;left:53%;transform:translate(-50%,-50%);
  border-style:solid;border-width:5px 0 5px 8px;border-color:transparent transparent transparent #fff;
}
.gtile.playing .gplay{opacity:0}

/* 메인 화면 — 가로 스크롤 스트립 */
.gstrip{
  display:flex;gap:16px;overflow-x:auto;overflow-y:hidden;
  padding-bottom:14px;scroll-snap-type:x mandatory;
  scrollbar-width:thin;scrollbar-color:var(--line) transparent;
}
.gstrip>*{flex:0 0 clamp(200px,23%,270px);scroll-snap-align:start}
.gstrip::-webkit-scrollbar{height:6px}
.gstrip::-webkit-scrollbar-thumb{background:var(--line);border-radius:3px}
.gstrip::-webkit-scrollbar-track{background:transparent}

.gmore{margin-top:30px;text-align:center}
.gmore a{
  display:inline-block;font-family:var(--en);font-size:13px;font-weight:400;
  letter-spacing:.26em;text-transform:uppercase;color:var(--dim);
  border:1px solid var(--line);padding:14px 30px;transition:color .35s,border-color .35s;
}
.gmore a:hover{color:var(--accent-2);border-color:var(--accent)}

@media(max-width:640px){
  .gstrip>*{flex-basis:64%}
  .gtile .gcap{padding:26px 10px 9px}
  .gtile .gcap b{font-size:12.5px}
}

/* ══════════ 갤러리 전용 페이지 (사진 앱 형태) ══════════ */
.ga-head{padding:calc(var(--nav-h) + 54px) 0 30px}
.ga-head .backlink{
  display:inline-block;margin-bottom:26px;font-family:var(--en);font-size:12.5px;
  letter-spacing:.24em;text-transform:uppercase;color:var(--faint);transition:color .3s;
}
.ga-head .backlink:hover{color:var(--accent-2)}
.ga-head h1{font-size:clamp(2rem,4vw,3rem);font-weight:200;color:var(--white)}
.ga-head .ga-count{
  margin:12px 0 0;display:flex;align-items:baseline;gap:12px;
  font-size:15px;color:var(--faint);
}
.ga-head .ga-count .eng{font-size:12px}
.ga-head .ga-count b{color:var(--dim);font-weight:400}
.ga-empty{text-align:center;color:var(--faint);padding:80px 0}

/* 월별 묶음 — 사진 앱처럼 헤더가 붙어 따라옵니다. */
/* 간격은 헤더 "위"로만 줍니다 — 헤더가 자기 격자에 붙어 보이도록. */
.ga-group{margin-bottom:8px}
/* 헤더 자체에는 배경을 주지 않습니다. 배경을 깔면 스크롤 중 sticky 헤더가
   사진 위를 가로지르는 어두운 띠로 보입니다. 대신 글자 뒤에만 알약을 깝니다. */
.ga-period{
  position:sticky;top:var(--nav-h);z-index:4;
  display:flex;align-items:center;gap:8px;margin:0 0 5px;padding:12px 0 4px;
  font-size:1rem;font-weight:400;color:var(--fg);
  background:none;pointer-events:none;
}
.ga-group:first-child .ga-period{padding-top:0}
.ga-period b,.ga-period span{
  background:rgba(11,21,33,.72);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
  border:1px solid rgba(255,255,255,.1);border-radius:999px;
}
.ga-period b{font-weight:400;color:#fff;padding:4px 13px}
.ga-period span{
  font-family:var(--en);font-size:11.5px;letter-spacing:.18em;color:rgba(255,255,255,.66);
  padding:3px 9px;
}
:root[data-theme="light"] .ga-period b,
:root[data-theme="light"] .ga-period span{
  background:rgba(255,255,255,.82);border-color:rgba(19,37,57,.12);color:var(--white);
}
:root[data-theme="light"] .ga-period span{color:var(--faint)}

/* 촘촘한 정사각 격자 + 모자이크
   dense 를 주어야 큰 타일이 들어간 뒤 남는 자리를 뒤 타일이 메웁니다. */
.ga-grid{
  display:grid;grid-template-columns:repeat(4,1fr);
  grid-auto-flow:dense;gap:5px;
}
.ga-cell{
  position:relative;aspect-ratio:1/1;overflow:hidden;cursor:zoom-in;
  padding:0;border:0;background:var(--bg-2);display:block;
}
/* ── 모자이크 규격
   빈틈이 남지 않도록 "딱 맞아떨어지는 단위"로 배치합니다.
     4열 — 2×2 하나 + 1×1 넷  =  8칸 = 2행  → 5개가 한 단위
     3열 — 2×2 하나 + 1×1 다섯 = 9칸 = 3행  → 6개가 한 단위
   큰 타일을 좌·우 번갈아 두어 한 방향으로 쏠려 보이지 않게 합니다.
   :not(:nth-last-child(...)) 은 마지막 자투리 단위에 큰 타일이 들어가
   행이 반만 차는 것을 막습니다. (5~25개를 전부 시뮬레이션해 확인) */
@media(min-width:981px){                      /* 4열 */
  .ga-grid>.ga-cell:nth-child(10n+1):not(:nth-last-child(-n+4)){grid-column:1/span 2;grid-row:span 2}
  .ga-grid>.ga-cell:nth-child(10n+6):not(:nth-last-child(-n+4)){grid-column:3/span 2;grid-row:span 2}
}
@media(max-width:980px) and (min-width:641px){ /* 3열 */
  .ga-grid>.ga-cell:nth-child(12n+1):not(:nth-last-child(-n+5)){grid-column:1/span 2;grid-row:span 2}
  .ga-grid>.ga-cell:nth-child(12n+7):not(:nth-last-child(-n+5)){grid-column:2/span 2;grid-row:span 2}
}
/* 640px 이하(2열)에서는 큰 타일을 쓰지 않습니다 — 화면을 통째로 차지해 답답합니다. */

/* 등장 애니메이션 — .ga-anim 은 site.js 가 붙입니다.
   (JS 가 실행되지 않으면 이 규칙 자체가 적용되지 않아 타일이 그냥 보입니다) */
.ga-anim .ga-cell{
  opacity:0;transform:translateY(14px) scale(.985);
  transition:opacity .5s cubic-bezier(.2,.8,.3,1),transform .5s cubic-bezier(.2,.8,.3,1);
  transition-delay:calc(var(--d,0) * 45ms);
}
.ga-anim .ga-cell.in{opacity:1;transform:none}
.ga-anim .ga-cell.now{transition:none}
@media(prefers-reduced-motion:reduce){
  .ga-anim .ga-cell{opacity:1;transform:none;transition:none}
}
.ga-cell .gmedia{
  width:100%;height:100%;object-fit:cover;display:block;
  transition:transform .55s cubic-bezier(.2,.8,.3,1),filter .35s;
}
.ga-cell:hover .gmedia{transform:scale(1.06)}
.ga-cell:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.ga-cell .gplay{
  position:absolute;top:9px;right:9px;z-index:2;width:24px;height:24px;border-radius:50%;
  background:rgba(10,20,32,.55);border:1px solid rgba(255,255,255,.34);transition:opacity .35s;
}
.ga-cell .gplay::after{
  content:"";position:absolute;top:50%;left:53%;transform:translate(-50%,-50%);
  border-style:solid;border-width:4.5px 0 4.5px 7px;
  border-color:transparent transparent transparent #fff;
}
.ga-cell.playing .gplay{opacity:0}

/* 설명은 사진 앱처럼 평소엔 감췄다가 올렸을 때만 보여줍니다. */
.ga-cell .ga-cap{
  position:absolute;left:0;right:0;bottom:0;padding:26px 10px 8px;text-align:left;
  font-size:12.5px;line-height:1.4;color:#fff;
  background:linear-gradient(180deg,transparent,rgba(10,20,32,.85));
  opacity:0;transition:opacity .3s;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.ga-cell:hover .ga-cap,.ga-cell:focus-visible .ga-cap{opacity:1}

@media(max-width:980px){.ga-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:640px){
  .ga-grid{grid-template-columns:repeat(2,1fr);gap:4px}
  .ga-cell .ga-cap{opacity:1;font-size:11px;padding:20px 8px 6px}
}

/* ── 전체화면 뷰어 */
.lightbox{
  position:fixed;inset:0;z-index:120;display:grid;
  grid-template-rows:1fr auto;background:rgba(8,15,24,.97);
  opacity:0;transition:opacity .22s ease;
}
/* display 를 선언하면 [hidden] 의 display:none 이 무효가 되어
   닫힌 뷰어가 화면을 덮은 채 클릭을 가로챕니다. 반드시 다시 감춰줍니다. */
.lightbox[hidden]{display:none}
.lightbox.open{opacity:1}
@media(prefers-reduced-motion:reduce){.lightbox{transition:none}}

.lb-stage{
  grid-row:1;display:grid;place-items:center;padding:64px 76px 10px;min-height:0;
}
.lb-stage img,.lb-stage video{
  max-width:100%;max-height:100%;width:auto;height:auto;
  object-fit:contain;display:block;background:#000;
}

.lb-close,.lb-nav{
  position:absolute;z-index:2;background:rgba(255,255,255,.07);color:#fff;
  border:1px solid rgba(255,255,255,.16);cursor:pointer;
  display:grid;place-items:center;transition:background .25s,border-color .25s;
}
.lb-close:hover,.lb-nav:hover{background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.4)}
.lb-close{top:18px;right:18px;width:42px;height:42px;border-radius:50%;font-size:15px}
.lb-nav{
  top:50%;transform:translateY(-50%);width:48px;height:66px;
  font-size:30px;line-height:1;padding-bottom:5px;
}
.lb-nav.prev{left:14px}
.lb-nav.next{right:14px}
.lb-nav[disabled]{opacity:.22;cursor:default}

.lb-bar{
  grid-row:2;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:16px 22px 22px;color:rgba(255,255,255,.82);
}
.lb-meta{min-width:0}
.lb-meta b{display:block;font-size:15px;font-weight:400;color:#fff}
.lb-meta i{
  font-style:normal;font-family:var(--en);font-size:11.5px;letter-spacing:.18em;
  text-transform:uppercase;color:rgba(255,255,255,.55);
}
.lb-right{display:flex;align-items:center;gap:18px;flex:none}
.lb-link{font-size:13px;color:var(--accent-2);border-bottom:1px solid rgba(110,155,247,.4)}
.lb-count{font-family:var(--en);font-size:12px;letter-spacing:.18em;color:rgba(255,255,255,.55)}

body.lb-lock{overflow:hidden}

@media(max-width:640px){
  .lb-stage{padding:56px 10px 6px}
  .lb-nav{width:40px;height:56px;font-size:25px}
  .lb-nav.prev{left:6px}
  .lb-nav.next{right:6px}
  .lb-bar{padding:12px 14px 18px}
}

/* ══════════ 갤러리 게시글 ══════════ */
.wrap.narrow{width:min(820px,calc(100% - 80px))}
@media(max-width:820px){.wrap.narrow{width:calc(100% - 36px)}}

.post{padding:calc(var(--nav-h) + 54px) 0 40px}
.post .backlink{
  display:inline-block;margin-bottom:30px;font-family:var(--en);font-size:12.5px;
  letter-spacing:.24em;text-transform:uppercase;color:var(--faint);transition:color .3s;
}
.post .backlink:hover{color:var(--accent-2)}

.post-head{margin-bottom:30px}
.post-head h1{
  font-size:clamp(1.7rem,3.4vw,2.5rem);font-weight:300;line-height:1.3;color:var(--white);
}
.post-date{
  display:inline-block;margin-top:12px;font-family:var(--en);font-size:12.5px;
  letter-spacing:.2em;color:var(--faint);
}

.post-body{margin-bottom:38px}
.post-body p{
  font-size:17px;line-height:1.95;color:var(--fg);margin:0 0 1.15em;
}
.post-body p:last-child{margin-bottom:0}

/* 게시글 안에서는 사진을 자르지 않고 원래 비율 그대로 보여줍니다. */
.post-media{margin:0 0 14px}
.post-media:last-of-type{margin-bottom:30px}
.post-count{
  margin:-4px 0 30px;font-family:var(--en);font-size:11.5px;letter-spacing:.2em;
  color:var(--faint);text-align:right;
}
.post-media img,.post-media video{
  width:100%;height:auto;display:block;
  border:1px solid var(--line);background:var(--bg-2);
}

.post-link{margin:0 0 40px}
.post-link a{
  font-size:15px;color:var(--accent-2);border-bottom:1px solid rgba(110,155,247,.4);
  transition:border-color .3s;
}
.post-link a:hover{border-color:var(--accent)}

.post-nav{
  display:flex;gap:16px;justify-content:space-between;
  border-top:1px solid var(--line-soft);padding-top:26px;
}
.post-nav a,.post-nav .empty{flex:1 1 0;min-width:0;display:block}
.post-nav .n{text-align:right}
.post-nav span{
  display:block;font-family:var(--en);font-size:11px;letter-spacing:.22em;
  text-transform:uppercase;color:var(--faint);margin-bottom:6px;
}
.post-nav b{
  display:block;font-size:15px;font-weight:300;color:var(--dim);line-height:1.5;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;transition:color .3s;
}
.post-nav a:hover b{color:var(--accent-2)}

/* 목록 타일: 게시글로 가는 것과 사진만 크게 보는 것을 커서로 구분 */
.gtile[href],.ga-cell[href]{cursor:pointer}
.ga-cap em,.gtile .gcap i{font-style:normal}
.ga-cap em{
  display:block;margin-top:3px;font-family:var(--en);font-size:10.5px;
  letter-spacing:.16em;text-transform:uppercase;color:var(--accent-2);
}

/* ══════════ 링크 (논문 · 소식) ══════════ */
.tl-link{color:inherit;transition:color .3s}
.tl-link:hover{color:var(--accent-2)}
.nlink{border-bottom:1px solid rgba(110,155,247,.3);transition:color .3s,border-color .3s}
.nlink:hover{color:var(--accent-2);border-color:var(--accent)}
.tl-link i,.nlink i{
  font-style:normal;font-size:.78em;color:var(--accent);margin-left:7px;
  opacity:.85;transition:transform .3s,opacity .3s;display:inline-block;
}
.tl-link:hover i,.nlink:hover i{opacity:1;transform:translate(2px,-2px)}
.tyear ul li.withimg a>img{transition:filter .4s,transform .4s}

/* ══════════ 구성원 카드 링크 ══════════ */
.mcard{display:block;text-decoration:none}
.mcard .more-link{
  display:block;margin-top:18px;font-family:var(--en);font-size:12px;letter-spacing:.18em;
  text-transform:uppercase;color:var(--faint);transition:color .35s;
}
.mcard:hover .more-link{color:var(--accent-2)}
.alum .n{transition:color .3s}
.alum li:hover .n{color:var(--accent-2)}

/* ══════════ 개인 프로필 페이지 ══════════ */
.subpage{padding-top:0}
.profile{padding:calc(var(--nav-h) + 90px) 0 130px;position:relative}
.profile::before{
  content:"";position:absolute;inset:0 0 auto;height:520px;z-index:0;pointer-events:none;filter:blur(50px);
  background:radial-gradient(46% 60% at 74% 10%, rgba(110,155,247,.22), transparent 66%);
}
.profile .wrap{position:relative;z-index:1}
@media(max-width:820px){.profile{padding:calc(var(--nav-h) + 54px) 0 90px}}

.backlink{
  display:inline-block;font-family:var(--en);font-size:12px;letter-spacing:.24em;text-transform:uppercase;
  color:var(--dim);margin-bottom:56px;transition:color .3s,letter-spacing .3s;
}
.backlink:hover{color:var(--white);letter-spacing:.28em}

.ga-head{display:grid;grid-template-columns:300px 1fr;gap:60px;align-items:start;margin-bottom:80px}
@media(max-width:820px){.ga-head{grid-template-columns:1fr;gap:34px;margin-bottom:56px}}
.pphoto img{
  width:100%;aspect-ratio:23/20;object-fit:cover;object-position:center 30%;
  border:1px solid var(--line);filter:saturate(.92);
}
.pphoto .noimg{
  width:100%;aspect-ratio:23/20;border:1px solid var(--line);display:grid;place-items:center;
  font-family:var(--en);font-size:2.4rem;font-weight:200;color:var(--accent-2);
  background:linear-gradient(165deg,rgba(37,62,90,.5),rgba(22,40,59,.2));
}
.pmeta .eng{display:block;margin-bottom:20px}
.pmeta h1{font-size:clamp(2.2rem,5.2vw,3.4rem);font-weight:200;letter-spacing:-.03em;color:var(--white);margin:0 0 10px}
.pmeta .en2{
  font-family:var(--en);font-size:14px;letter-spacing:.24em;text-transform:uppercase;
  color:var(--accent-2);display:block;margin-bottom:38px;
}
.pmeta dl{margin:0 0 34px;display:grid;grid-template-columns:106px 1fr;gap:16px 20px;align-items:baseline}
.pmeta dt{font-family:var(--en);font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:var(--faint)}
.pmeta dd{margin:0;color:var(--fg);font-size:16px}
@media(max-width:560px){.pmeta dl{grid-template-columns:1fr;gap:4px}.pmeta dd{margin-bottom:14px}}
.plinks{display:flex;flex-wrap:wrap;gap:10px}
.plinks a{
  border:1px solid var(--line);padding:11px 18px;font-family:var(--en);font-size:12px;
  letter-spacing:.16em;text-transform:uppercase;color:var(--dim);
  transition:border-color .35s,color .35s,background .35s;
}
.plinks a:hover{border-color:rgba(110,155,247,.55);color:var(--white);background:rgba(110,155,247,.08)}

.pbio{border-top:1px solid var(--line);padding-top:40px;margin-bottom:80px;max-width:74ch}
.pbio .eng{display:block;margin-bottom:26px}
.pbio p{font-size:17px;line-height:1.95;color:var(--fg);margin:0 0 1.3em}
.pbio p:last-child{margin-bottom:0}

.psiblings{border-top:1px solid var(--line);padding-top:40px}
.psiblings .eng{display:block;margin-bottom:26px}
.srow{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
@media(max-width:900px){.srow{grid-template-columns:repeat(2,1fr)}}
.srow a{
  border:1px solid var(--line);padding:20px;text-align:center;
  transition:transform .4s cubic-bezier(.2,.8,.3,1),border-color .35s;
}
.srow a:hover{transform:translateY(-4px);border-color:rgba(110,155,247,.45)}
.srow img{
  width:64px;height:64px;border-radius:50%;object-fit:cover;object-position:center 25%;
  margin:0 auto 14px;border:1px solid var(--line);filter:saturate(.85);
}
.srow b{display:block;font-size:15px;font-weight:300;color:var(--white);margin-bottom:4px}
.srow span{font-size:13px;color:var(--faint)}

/* ══════════ 프로필 — 논문 · 특허 ══════════ */
.ppubs{border-top:1px solid var(--line);padding-top:40px;margin-bottom:80px}
.pubblock{margin-bottom:52px}
.pubblock:last-child{margin-bottom:0}
.pubblock>.eng{display:block;margin-bottom:22px}
.pubblock>.eng b{color:var(--accent);font-weight:400;margin-left:6px}
.pubblock ul{margin:0;padding:0;list-style:none}
.pubblock li{
  display:grid;grid-template-columns:96px 1fr;gap:26px;align-items:baseline;
  padding:20px 8px;border-bottom:1px solid var(--line-soft);
  transition:padding-left .4s cubic-bezier(.4,0,.2,1),background .4s;
}
.pubblock li:hover{padding-left:18px;background:rgba(110,155,247,.05)}
.pubblock time{
  font-family:var(--en);font-size:13px;letter-spacing:.14em;color:var(--faint);
}
.pubblock h3{font-size:16.5px;font-weight:300;line-height:1.6;color:var(--white);margin:0}
.pubblock h3 a{color:inherit;transition:color .3s}
.pubblock h3 a:hover{color:var(--accent-2)}
.pubblock h3 i{
  font-style:normal;font-size:.78em;color:var(--accent);margin-left:7px;opacity:.85;
  display:inline-block;transition:transform .3s;
}
.pubblock h3 a:hover i{transform:translate(2px,-2px)}
.pubblock .meta{display:block;font-size:14px;color:var(--faint);margin-top:7px}
@media(max-width:640px){
  .pubblock li{grid-template-columns:1fr;gap:6px}
}

/* ══════════ 구성원 모달 (공개 사이트) ══════════ */
.m-modal{
  border:1px solid var(--line);border-radius:0;padding:0;
  width:min(880px,92vw);max-height:88vh;background:var(--bg-2);color:var(--fg);
  font-family:var(--kr);font-size:16px;line-height:1.8;overflow:auto;
  box-shadow:0 30px 80px rgba(0,0,0,.55);
}
.m-modal::backdrop{background:rgba(10,20,32,.72);backdrop-filter:blur(4px)}
.m-modal .mclose{
  position:sticky;top:0;float:right;z-index:5;margin:14px 14px 0 0;
  width:40px;height:40px;border:1px solid var(--line);background:rgba(22,40,59,.9);
  color:var(--dim);font-size:15px;cursor:pointer;transition:color .3s,border-color .3s;
}
.m-modal .mclose:hover{color:var(--white);border-color:var(--accent)}

.m-modal .mtop{display:grid;grid-template-columns:210px 1fr;gap:36px;padding:38px 40px 30px}
@media(max-width:700px){.m-modal .mtop{grid-template-columns:1fr;gap:24px;padding:30px 24px 22px}}
.m-modal .mphoto img{
  width:100%;aspect-ratio:23/20;object-fit:cover;object-position:center 30%;
  border:1px solid var(--line);filter:saturate(.92);
}
.m-modal .mphoto .noimg{
  width:100%;aspect-ratio:23/20;border:1px solid var(--line);display:grid;place-items:center;
  font-family:var(--en);font-size:2rem;font-weight:200;color:var(--accent-2);
  background:linear-gradient(165deg,rgba(37,62,90,.5),rgba(22,40,59,.2));
}
.m-modal .minfo .eng{display:block;margin-bottom:14px}
.m-modal .minfo h2{font-size:2rem;font-weight:200;letter-spacing:-.02em;color:var(--white);margin:0 0 6px}
.m-modal .minfo .en2{
  font-family:var(--en);font-size:13px;letter-spacing:.22em;text-transform:uppercase;
  color:var(--accent-2);display:block;margin-bottom:26px;
}
.m-modal .minfo dl{margin:0 0 24px;display:grid;grid-template-columns:96px 1fr;gap:12px 18px;align-items:baseline}
.m-modal .minfo dt{font-family:var(--en);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--faint)}
.m-modal .minfo dd{margin:0;color:var(--fg);font-size:15px}
@media(max-width:560px){.m-modal .minfo dl{grid-template-columns:1fr;gap:2px}.m-modal .minfo dd{margin-bottom:12px}}

.m-modal .mbio,.m-modal .mpubs{padding:0 40px 30px}
@media(max-width:700px){.m-modal .mbio,.m-modal .mpubs{padding:0 24px 24px}}
.m-modal .mbio{border-top:1px solid var(--line);padding-top:28px;margin:0 40px 30px;padding-left:0;padding-right:0}
@media(max-width:700px){.m-modal .mbio{margin:0 24px 24px}}
.m-modal .mbio .eng{display:block;margin-bottom:16px}
.m-modal .mbio p{font-size:16px;line-height:1.9;margin:0 0 1.1em}
.m-modal .mbio p:last-child{margin-bottom:0}
.m-modal .mpubs .pubblock{margin-bottom:34px}
.m-modal .mpubs .pubblock:last-child{margin-bottom:0}
.m-modal .mpubs li{padding:16px 4px}
.m-modal .mpubs li:hover{padding-left:12px}
.m-modal .pubblock h3{font-size:15.5px}

.m-modal .mfull{
  display:block;margin:0 40px 34px;padding:16px;text-align:center;border:1px solid var(--line);
  font-family:var(--en);font-size:12px;letter-spacing:.22em;text-transform:uppercase;color:var(--dim);
  transition:border-color .35s,color .35s,background .35s;
}
.m-modal .mfull:hover{border-color:rgba(110,155,247,.55);color:var(--white);background:rgba(110,155,247,.08)}
@media(max-width:700px){.m-modal .mfull{margin:0 24px 26px}}

/* 프로필 내용이 없는 구성원 — 클릭 대상이 아님 */
.mcard.noprofile{cursor:default}
.mcard.noprofile:hover{transform:none;border-color:var(--line)}
.mcard.noprofile:hover::after{transform:scaleX(0)}
.alum .n.noprofile{cursor:default}
.alum li:hover .n.noprofile{color:var(--white)}

/* 특허 관련사업 */
.tl-card .note{font-size:13.5px;color:var(--faint);margin:0 0 14px;line-height:1.7;opacity:.9}
.tl-item.l .tl-card .note{text-align:right}
/* 교수 수상·저서 개수 */
.blk>.eng b{color:var(--accent);font-weight:400;margin-left:6px}
/* 지도 임베드 */
.vmap iframe.fig{width:100%;border:none;min-height:280px;display:block;filter:grayscale(.15) brightness(.92)}

/* 표 접기 · 더 보기 */
.cbox tr.hid{display:none}
.cbox.open tr.hid{display:table-row}
.morebtn.cmore{margin-top:22px}

/* ══════════ 모집 지원 폼 ══════════ */
.applyform{
  display:grid;grid-template-columns:repeat(2,1fr);gap:22px 26px;
  border-top:1px solid var(--line);padding-top:44px;
}
@media(max-width:760px){.applyform{grid-template-columns:1fr;gap:20px}}
.applyform .hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
.applyform .fld{display:flex;flex-direction:column;gap:10px;min-width:0}
.applyform .fld.full{grid-column:1/-1}
.applyform label{
  font-family:var(--en);font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--dim);
}
.applyform label b{color:var(--accent);font-weight:400}
.applyform label .hint{
  font-family:var(--kr);font-size:12.5px;letter-spacing:.02em;text-transform:none;color:var(--faint);
  margin-left:10px;
}
.applyform input:not([type=file]):not(.hp),
.applyform select,.applyform textarea{
  background:rgba(255,255,255,.04);border:1px solid var(--line);color:var(--white);
  font:inherit;font-size:16px;padding:14px 16px;width:100%;
  transition:border-color .3s,background .3s;
}
.applyform textarea{resize:vertical;line-height:1.75;min-height:150px}
.applyform input:focus,.applyform select:focus,.applyform textarea:focus{
  outline:none;border-color:var(--accent);background:rgba(110,155,247,.07);
}
.applyform input::placeholder,.applyform textarea::placeholder{color:var(--faint)}
.applyform select{appearance:none;background-image:none;cursor:pointer}
.applyform select option{background:var(--bg-2);color:var(--fg)}
.applyform input[type=file]{
  padding:12px;font-size:14px;color:var(--dim);background:rgba(255,255,255,.03);cursor:pointer;
}
.applyform input[type=file]::file-selector-button{
  background:none;border:1px solid var(--line);color:var(--fg);font:inherit;font-size:13px;
  padding:8px 16px;margin-right:14px;cursor:pointer;transition:border-color .3s,color .3s;
}
.applyform input[type=file]::file-selector-button:hover{border-color:var(--accent);color:var(--white)}
.applyform .act{
  display:flex;flex-wrap:wrap;align-items:center;gap:16px 24px;
  border-top:1px solid var(--line-soft);padding-top:26px;margin-top:6px;
}
.applyform .act .hint{font-size:14px;color:var(--faint)}
.applyform .act .hint a{border-bottom:1px solid var(--line)}
.applyform .act .hint a:hover{color:var(--accent-2);border-color:var(--accent)}
.applyform button{
  background:none;border:1px solid var(--line);color:var(--fg);cursor:pointer;
  font-family:var(--en);font-size:12.5px;letter-spacing:.26em;text-transform:uppercase;
  padding:18px 40px;transition:border-color .35s,color .35s,background .35s,letter-spacing .35s;
}
.applyform button:hover{
  border-color:var(--accent);color:var(--white);background:rgba(110,155,247,.1);letter-spacing:.3em;
}
.formmsg{
  border:1px solid var(--line);padding:20px 24px;margin-bottom:34px;font-size:16px;
}
.formmsg.ok{border-color:rgba(110,155,247,.5);background:rgba(110,155,247,.09);color:var(--white)}
.formmsg.err{border-color:rgba(224,110,110,.5);background:rgba(224,110,110,.08);color:#ffc9c9}

/* ══════════════════════════════════════════════
   모바일 보강 — 좁은 화면에서 깨지는 부분 정리
   ══════════════════════════════════════════════ */

/* 긴 영문 제목·DOI·특허번호가 칸을 넘지 않도록 */
.tl-card h3, .tl-card .au, .tl-card .inv, .tl-card .note, .tl-card .no,
.pubblock h3, .pubblock .meta, .alum .now, .mcard .int,
.tbl .t, .tbl .t small, .vinfo dd, .vinfo dd small,
.chead p, .rowitem p, .tile p, .tyear ul li{
  overflow-wrap:anywhere;
}



@media(max-width:560px){
  /* 히어로 — 아주 좁은 화면에서 제목이 넘치지 않게 */
  .hero .brandline{font-size:clamp(1.9rem,8.6vw,2.6rem)}
  .hero .eng{letter-spacing:.18em;font-size:11px;line-height:1.9}
  .hero .copy{font-size:1.05rem;line-height:1.8}
  .hero .sub{font-size:13.5px}
  .viewmore{padding:15px 26px;letter-spacing:.22em;font-size:11px}

  /* 섹션 머리말 */
  .chead{margin-bottom:44px}
  .chead .eng{letter-spacing:.2em}
  .chead .en2{letter-spacing:.16em;font-size:11.5px}
  .subhead{flex-wrap:wrap;gap:6px 12px}
  .subhead hr{display:none}

  /* 타임라인 카드 여백 축소 */
  .tl-card{padding:20px 18px}
  .tl-year span{padding:7px 16px;font-size:1.25rem}
  .morebtn{padding:16px 12px;letter-spacing:.16em;font-size:12px}

  /* 연구 관심분야 */
  .rowitem{padding:22px 2px}
  .rowitem h3{font-size:1.15rem}

  /* 교수 카드 */
  .pcard{padding:32px 22px}
  .pcard h3{font-size:1.6rem}
  .pcard h3 em{display:block;margin:6px 0 0}
  .cv li time{font-size:11.5px}

  /* 구성원 */
  .mcard{padding:28px 20px}
  .alum .n em{display:block;margin:4px 0 0 52px}

  /* 파트너 로고 월 */
  .logowall>div{padding:22px 14px;min-height:84px}
  .logowall img{max-height:44px}

  /* 지원 폼 */
  .applyform{padding-top:34px;gap:18px}
  .applyform input,.applyform select,.applyform textarea{font-size:16px;padding:13px 14px}
  .applyform button{width:100%;padding:17px 20px;letter-spacing:.18em}
  .applyform .act{flex-direction:column;align-items:stretch;gap:14px}
  .applyform .act .hint{text-align:center}
  .applyform label .hint{display:block;margin:4px 0 0}

  /* 찾아오시는 길 */
  .vinfo{padding:28px 20px}
  .bigmail{font-size:1.3rem;letter-spacing:-.01em;overflow-wrap:anywhere}
  .vmap .act{padding:14px}
  .vmap .act a{flex:1;text-align:center;padding:12px 10px;letter-spacing:.12em}

  /* 클로징 */
  .closing{padding:88px 0 76px}
  .big{font-size:clamp(2.2rem,11vw,3.4rem);margin-bottom:40px}
  .contactus{letter-spacing:.2em;font-size:11px}

  /* 푸터 */
  footer{padding:34px 0}
  footer .wrap{gap:14px}
  footer p{font-size:12.5px}

  /* 구성원 모달 */
  .m-modal{width:94vw;max-height:90vh}
  .m-modal .minfo h2{font-size:1.7rem}
  .m-modal .mfull{margin:0 20px 22px;letter-spacing:.16em}
}

/* ══════════ 모바일 메뉴 — 화면 전체 오버레이 ══════════ */
@media(max-width:1120px){
  .links{
    z-index:120;padding:calc(var(--nav-h) + 24px) 28px 40px;
    justify-content:flex-start;gap:0;overflow-y:auto;
  }
  .links a{
    font-size:17px;letter-spacing:.16em;padding:20px 4px;width:100%;
    border-bottom:1px solid var(--line-soft);
  }
  .links a::after{display:none}
  .links a.active{color:var(--accent-2)}
  .links.open{animation:menuIn .32s cubic-bezier(.2,.8,.3,1)}
  @keyframes menuIn{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:none}}
  .burger{z-index:130}
}

/* ══════════ 모바일 배치 정리 ══════════ */
@media(max-width:760px){
  /* 섹션 리듬 — 위아래 여백을 줄여 스크롤 피로 완화 */
  section{padding:72px 0}
  .chead{margin-bottom:40px}
  .chead .rule{height:36px;margin-bottom:22px}
  .chead p{margin-top:20px;font-size:14.5px;line-height:1.85}

  /* 타임라인 — 세로선을 없애고 카드 목록으로 단순화 */
  .tl::before{display:none}
  .tl-item{width:auto;margin:0 0 12px}
  .tl-item::before,.tl-item::after{display:none}
  .tl-item.l .tl-card,.tl-item.l .tl-card .foot{text-align:left;justify-content:flex-start}
  .tl-year{text-align:left;margin:34px 0 16px}
  .tl-year span{background:none;border:none;padding:0;font-size:1.7rem}
  .tl-year small{margin-top:6px}
  .tl-card .foot{gap:6px 12px}

  /* 소식 — 사진과 글을 한 덩어리로 */
  .tyear{padding:24px 0;gap:10px}
  .tyear .y{font-size:1.6rem;color:var(--accent-2)}
  .tyear ul li.withimg{grid-template-columns:1fr;gap:12px}
  .tyear ul li.withimg img{width:100%;height:auto;max-height:220px;object-fit:contain}

  /* 연구 관심분야 — 번호를 제목 위로 */
  .rowitem{grid-template-columns:1fr;gap:8px;padding:22px 2px}
  .rowitem .no{font-size:11px}
  .rowitem p{grid-column:1}

  /* 중점 연구 타일 */
  .tile .cover{height:150px;padding:18px 20px}
  .tile .cover b{font-size:44px;left:16px}
  .tile .body{padding:22px 20px}

  /* 교수 이력 */
  .cv li{padding:14px 0}
  .blk{margin-bottom:40px}

  /* 프로필 페이지 */
  .profile{padding:calc(var(--nav-h) + 40px) 0 70px}
  .backlink{margin-bottom:34px}
  .ga-head{gap:26px}
  .pphoto{max-width:220px}
  .srow{grid-template-columns:repeat(2,1fr);gap:12px}
}

/* ══════════ 모바일 — 표를 카드 목록으로 ══════════ */
@media(max-width:760px){
  .tscroll{overflow:visible}
  .tbl{min-width:0;display:block;table-layout:auto}
  .tbl colgroup,.tbl thead{display:none}
  .tbl tbody,.tbl tr,.tbl td{display:block;width:100%}
  .tbl tr{
    padding:22px 2px;border-bottom:1px solid var(--line-soft);
    transition:background .35s,padding-left .4s;
  }
  .tbl tr:hover{background:none}
  .tbl tr:last-child{border-bottom:none}
  .tbl td{padding:0;border:none}
  .tbl td:empty{display:none}
  .tbl .t{font-size:16.5px;line-height:1.55;margin-bottom:12px}
  .tbl .t small{margin-top:6px}
  /* 기관 · 기간을 한 줄에 나란히 */
  .tbl td:nth-child(2),.tbl td:nth-child(3){display:inline-block;width:auto;vertical-align:baseline}
  .tbl td:nth-child(2){margin-right:14px}
  .tbl td:nth-child(2)::after{content:"·";margin-left:14px;color:var(--faint)}
  .tbl .m{font-size:12px;letter-spacing:.1em}
  .tbl td:nth-child(2) .m{color:var(--accent-2)}
  .tbl td:last-child{margin-top:12px}
  .role{padding:5px 12px;font-size:10.5px}
}

/* ══════════ 모바일 — 논문/특허 탭 ══════════ */
@media(max-width:600px){
  .tabs{
    display:grid;grid-template-columns:1fr 1fr;gap:0;justify-content:stretch;margin-bottom:38px;
  }
  .tab{
    padding:14px 6px;font-size:11px;letter-spacing:.12em;text-align:center;
    border-bottom:1px solid var(--line);
  }
  .tab sup{margin-left:4px;top:-.5em}
  .tab[aria-selected="true"]{border-bottom-width:2px}
}

/* ══════════ 폼 안내 카드 ══════════ */
.joincta{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px}
.joincard{
  border:1px solid var(--line);padding:34px 30px;display:flex;flex-direction:column;gap:12px;
  transition:transform .45s cubic-bezier(.2,.8,.3,1),border-color .4s,background .4s;
}
.joincard:hover{transform:translateY(-6px);border-color:rgba(110,155,247,.5);background:rgba(110,155,247,.05)}
.joincard .eng{color:var(--accent-2)}
.joincard b{font-size:1.45rem;font-weight:200;color:var(--white);letter-spacing:-.01em}
.joincard .desc{font-size:15px;color:var(--dim);line-height:1.8;flex:1}
.joincard .go{
  font-family:var(--en);font-size:12px;letter-spacing:.2em;text-transform:uppercase;
  color:var(--faint);padding-top:14px;border-top:1px solid var(--line-soft);transition:color .35s;
}
.joincard:hover .go{color:var(--accent-2)}
.joincard.mailto .go{text-transform:none;letter-spacing:.06em}

/* ══════════ 폼 페이지 ══════════ */
.formpage{padding:calc(var(--nav-h) + 80px) 0 120px;position:relative}
.formpage::before{
  content:"";position:absolute;inset:0 0 auto;height:460px;z-index:0;pointer-events:none;filter:blur(50px);
  background:radial-gradient(44% 58% at 76% 8%, rgba(110,155,247,.2), transparent 66%);
}
.formpage .wrap{position:relative;z-index:1;max-width:860px}
.formpage .chead .rule{display:none}
.formpage .applyform{margin-top:0}
@media(max-width:760px){.formpage{padding:calc(var(--nav-h) + 40px) 0 70px}}

/* ══════════ 모바일 UX 강화 ══════════ */
@media(max-width:760px){
  /* 구성원 카드 — 세로로 긴 카드를 가로형으로 */
  .mgrid{gap:12px}
  .mcard{
    display:grid;grid-template-columns:100px 1fr;column-gap:18px;row-gap:2px;
    align-content:start;text-align:left;padding:16px;
  }
  .mcard .photo{grid-column:1;grid-row:1 / span 6;margin:0;aspect-ratio:1;object-position:center 25%;align-self:start}
  .mcard h3,.mcard .en3,.mcard .pos,.mcard .int,.mcard .more-link{grid-column:2}
  .mcard h3{font-size:1.2rem;margin-bottom:2px}
  .mcard .en3{margin-bottom:8px;font-size:10.5px}
  .mcard .pos{margin-bottom:6px;font-size:10px}
  .mcard .int{font-size:13.5px;line-height:1.6}
  .mcard .more-link{margin-top:10px;font-size:11px}
  .mcard:hover{transform:none}

  /* 동문 — 이름·소속을 한 덩어리로 */
  .alum li{padding:16px 4px;gap:6px}
  .alum li:hover{padding-left:4px}
  .alum .n{font-size:16px}
  .alum .athumb{width:44px;height:44px}
  .alum .d{margin-left:58px;font-size:11px}
  .alum .now{margin-left:58px;font-size:14px;color:var(--dim)}

  /* 터치 영역 확보 */
  .links a,.viewmore,.morebtn,.contactus,.maplinks a,.vmap .act a,.plinks a,.joincard .go{
    min-height:44px;display:flex;align-items:center;
  }
  .maplinks a,.vmap .act a,.plinks a{justify-content:center}
  .tabs .tab{min-height:46px}

  /* 탭 하이라이트 정리 */
  a,button{-webkit-tap-highlight-color:rgba(110,155,247,.18)}
}

/* 긴 페이지용 — 위로 이동 버튼 (모바일 전용) */
.fab-top{
  position:fixed;right:16px;bottom:16px;z-index:90;
  width:48px;height:48px;display:none;place-items:center;
  background:rgba(22,40,59,.92);border:1px solid var(--line);
  color:var(--fg);font-size:18px;line-height:1;
  backdrop-filter:blur(8px);opacity:0;transform:translateY(10px);
  transition:opacity .3s,transform .3s,border-color .3s,color .3s;
}
.fab-top.show{opacity:1;transform:none}
.fab-top:active{border-color:var(--accent);color:var(--white)}
@media(max-width:900px){.fab-top{display:grid}}
@media(prefers-reduced-motion:reduce){.fab-top{transition:none}}

/* ══════════ 내비 CTA — Join 버튼 ══════════ */
.links a.cta{
  border:1px solid var(--line);border-radius:999px;
  padding:10px 22px;margin-left:14px;color:var(--fg);
  transition:border-color .35s,background .35s,color .35s;
}
.links a.cta::after{display:none}
.links a.cta:hover,.links a.cta.active{
  border-color:var(--accent);background:rgba(110,155,247,.12);color:var(--white);
}
@media(max-width:1200px){
  /* 모바일 메뉴에서는 사이트의 일반 버튼과 같은 각진 형태 */
  .links a.cta{
    margin:24px 0 0;border-radius:0;justify-content:center;width:100%;
    padding:18px 24px;border:1px solid var(--line);color:var(--fg);background:none;
    font-family:var(--en);font-size:13px;letter-spacing:.26em;text-transform:uppercase;
  }
  .links a.cta:hover,.links a.cta:active{
    border-color:var(--accent);background:rgba(110,155,247,.1);color:var(--white);
  }
}
.applyform .filehint{font-size:13px;color:var(--faint);margin-top:8px;letter-spacing:.02em}

/* ══════════════════════════════════════════════════════════════
   라이트 / 다크 모드
   ── 기본(다크)은 위쪽 스타일 그대로,
      아래 블록은 html[data-theme="light"] 일 때만 덮어씁니다.
   ══════════════════════════════════════════════════════════════ */

/* ── 내비 오른쪽 묶음 (메뉴 · 테마 버튼 · 햄버거) */
.navend{display:flex;align-items:center;gap:22px}
@media(max-width:1200px){.navend{gap:6px}}

.themebtn{
  flex:none;width:40px;height:40px;display:grid;place-items:center;cursor:pointer;
  background:none;border:1px solid var(--line);border-radius:999px;color:var(--dim);
  padding:0;z-index:130;transition:color .3s,border-color .3s,background .3s,transform .3s;
}
.themebtn:hover{color:var(--white);border-color:var(--accent);background:rgba(110,155,247,.1)}
.themebtn:active{transform:scale(.94)}
.themebtn:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.themebtn svg{
  width:19px;height:19px;display:block;fill:none;stroke:currentColor;
  stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;
}
.themebtn .i-sun circle{fill:currentColor;stroke:none}
.themebtn .i-moon path{fill:currentColor;stroke:none}
.themebtn .i-moon{display:none}
[data-theme="light"] .themebtn .i-sun{display:none}
[data-theme="light"] .themebtn .i-moon{display:block}
@media(max-width:1200px){
  /* 메뉴를 열어도 버튼이 오버레이 위에 보이도록 */
  .themebtn{width:44px;height:44px;margin-right:2px}
  .themebtn svg{width:20px;height:20px}
}
/* 전환하는 순간에만 색이 부드럽게 바뀌도록 */
.theming,.theming *,.theming *::before,.theming *::after{
  transition:background-color .35s ease,color .35s ease,border-color .35s ease,fill .35s ease!important;
}
@media(prefers-reduced-motion:reduce){.theming,.theming *{transition:none!important}}

/* ══════════ 라이트 팔레트 ══════════ */
:root[data-theme="light"]{
  --bg:#F3F7FC;
  --bg-2:#FFFFFF;
  --fg:#33465C;
  --dim:#4C627E;            /* WCAG AA — bg 5.82:1, bg-2 6.26:1 */
  --faint:#5D738C;          /* WCAG AA — bg 4.54:1, bg-2 4.89:1 */
  --white:#132539;          /* 가장 진한 글자 — 다크에서의 흰색 자리 */
  --accent:#2C60D6;
  --accent-2:#1B47AE;
  --line:rgba(19,37,57,.17);
  --line-soft:rgba(19,37,57,.08);
}
:root[data-theme="light"] ::selection{background:var(--accent);color:#fff}

/* ── 로고 — 흰색 PNG 를 반전시켜 씁니다 (관리자가 로고를 바꿔도 그대로 동작) */
[data-theme="light"] .logo img{filter:invert(1);opacity:.86}
[data-theme="light"] .logo:hover img{opacity:1}

/* ── 히어로 영상 — 요청대로 색상 반전.
      invert 만 쓰면 파랑이 주황으로 뒤집히므로 hue-rotate 로 색조를 되돌립니다. */
[data-theme="light"] .hero-video{
  filter:invert(1) hue-rotate(180deg) saturate(.78) brightness(1.04) contrast(.94);
  opacity:.62;
}
[data-theme="light"] .hero .bgfx::before{
  background:radial-gradient(46% 42% at 70% 26%, rgba(44,96,214,.22), transparent 64%);
}
[data-theme="light"] .hero .bgfx::after{
  background:radial-gradient(44% 40% at 24% 76%, rgba(30,160,200,.20), transparent 64%);
}

/* ── 표면 · 패널 */
[data-theme="light"] .nav.stuck{background:rgba(255,255,255,.88)}
[data-theme="light"] .ticker{background:rgba(19,37,57,.035)}
[data-theme="light"] .pcard,
[data-theme="light"] .pphoto .noimg,
[data-theme="light"] .m-modal .mphoto .noimg{
  background:linear-gradient(165deg,#FFFFFF,#EDF3FB);
}
[data-theme="light"] .pcard .portrait{background:rgba(19,37,57,.035)}
[data-theme="light"] .tyear ul li.withimg img{background:#fff}
[data-theme="light"] .tyear ul li.withimg:hover img{background:#fff;border-color:rgba(44,96,214,.4)}
[data-theme="light"] .fab-top{background:rgba(255,255,255,.94)}

/* ── 사진 · 지도 — 다크용으로 어둡게 깔아둔 필터를 되돌립니다 */
[data-theme="light"] .mcard .photo{filter:saturate(.96)}
[data-theme="light"] .athumb{filter:saturate(.92)}
[data-theme="light"] .vmap iframe.fig{filter:grayscale(.08)}
[data-theme="light"] .band img{filter:saturate(.95)}
[data-theme="light"] .band::after{
  background:linear-gradient(180deg,rgba(243,247,252,.55),rgba(243,247,252,.12) 42%,rgba(243,247,252,.94));
}

/* ── 뱃지 — 어두운 배경용 형광색은 흰 배경에서 안 보입니다 */
[data-theme="light"] .mk.q1{border-color:rgba(150,116,0,.45);color:#7A5E00}
[data-theme="light"] .mk.q2,
[data-theme="light"] .mk.rg{border-color:rgba(11,102,134,.42);color:#0B6686}

/* ── 모달 */
[data-theme="light"] .m-modal{box-shadow:0 24px 70px rgba(19,37,57,.18)}
[data-theme="light"] .m-modal::backdrop{background:rgba(19,37,57,.34)}
[data-theme="light"] .m-modal .mclose{background:rgba(255,255,255,.92)}

/* ── 폼 입력칸 */
[data-theme="light"] .applyform input:not([type=file]):not(.hp),
[data-theme="light"] .applyform select,
[data-theme="light"] .applyform textarea{background:#fff}
[data-theme="light"] .applyform input[type=file]{background:#fff}
[data-theme="light"] .applyform input:focus,
[data-theme="light"] .applyform select:focus,
[data-theme="light"] .applyform textarea:focus{background:rgba(44,96,214,.05)}
[data-theme="light"] .formmsg.ok{border-color:rgba(44,96,214,.4);background:rgba(44,96,214,.07);color:var(--white)}
[data-theme="light"] .formmsg.err{border-color:rgba(178,52,52,.4);background:rgba(178,52,52,.06);color:#96241F}

/* ── 모바일 메뉴 오버레이 */
@media(max-width:1200px){
  [data-theme="light"] .links{background:rgba(247,250,254,.98)}
}