:root{
  --deep:#0C2542; --navy:#143963; --mint:#7FCBBE; --mint-dim:#4F9A8E;
  --ink:#141414; --mid:#4a4a4a; --line:#e4e4e1; --paper:#fdfdfc;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--paper);color:var(--ink);font-family:'Noto Sans KR',sans-serif;
  font-weight:400;line-height:1.75;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4,.brand{font-family:'Noto Serif KR',serif}
img{max-width:100%}
a{color:inherit}
.wrap{max-width:1320px;margin:0 auto;padding-left:56px;padding-right:56px}

/* ── 상단 ─────────────────────────────────────────────── */
.topbar{background:var(--deep);color:#fff}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;height:82px}
.topbar.solid{border-bottom:1px solid rgba(255,255,255,.13)}
.brand{font-size:17px;font-weight:600;letter-spacing:.03em;color:#fff;text-decoration:none}
.brand span{font-family:'Inter',sans-serif;font-size:12px;font-weight:400;letter-spacing:.14em;
  color:rgba(255,255,255,.55);margin-left:10px}
.menu{display:flex;gap:32px;font-size:16px}
.menu a{color:rgba(255,255,255,.85);text-decoration:none;padding-bottom:4px;
  border-bottom:1px solid transparent}
.menu a:hover,.menu a.on{border-color:var(--mint);color:#fff}
.lang{font-family:'Inter',sans-serif;font-size:12px;letter-spacing:.1em;color:rgba(255,255,255,.55)}
.lang a{text-decoration:none;color:inherit}
.lang .cur{color:var(--mint);font-weight:500}
.navtoggle{display:none;background:none;border:1px solid rgba(255,255,255,.4);color:#fff;
  border-radius:2px;padding:7px 11px;font-size:13px;cursor:pointer;font-family:'Inter',sans-serif}

/* ── 히어로 ───────────────────────────────────────────── */
.hero{background:linear-gradient(180deg,#0E2A4A 0%,var(--deep) 100%);color:#fff}
.hin{display:grid;grid-template-columns:1.15fr .85fr;gap:80px;align-items:center;
  padding:108px 0 112px}
.rule{width:52px;height:2px;background:var(--mint);margin-bottom:28px}
.eyebrow{font-family:'Inter',sans-serif;font-size:12.5px;letter-spacing:.24em;text-transform:uppercase;
  color:var(--mint);margin-bottom:22px}
.hin h1{font-size:80px;font-weight:700;line-height:1.06;letter-spacing:-.025em}
.hin h1 em{font-style:normal;display:block;font-family:'Inter',sans-serif;font-size:21px;
  font-weight:300;letter-spacing:.18em;color:rgba(255,255,255,.55);margin-top:18px}
.tag{margin-top:34px;font-size:22px;line-height:1.95;font-weight:500;color:rgba(255,255,255,.94);max-width:28em}
.tag b{color:var(--mint);font-weight:600}
.affil{margin:28px 0 44px;font-size:15.5px;line-height:1.95;color:rgba(255,255,255,.58)}
.acts{display:flex;gap:11px;flex-wrap:wrap}
.btn{font-family:'Inter',sans-serif;font-size:15px;text-decoration:none;padding:12px 22px;
  border:1px solid rgba(255,255,255,.36);color:#fff;border-radius:2px;transition:.18s;
  display:inline-block}
.btn.fill{background:var(--mint);border-color:var(--mint);color:#0B2236;font-weight:500}
.btn:hover{background:#fff;color:var(--deep);border-color:#fff}
.pf img{width:100%;display:block}

/* 내부 페이지 머리 */
.phead{background:linear-gradient(180deg,#0E2A4A 0%,var(--deep) 100%);color:#fff;
  padding:76px 0 84px}
.phead h1{font-size:48px;font-weight:700;letter-spacing:-.02em}
.phead .sub{margin-top:20px;font-size:17px;line-height:1.95;color:rgba(255,255,255,.72);
  max-width:46em}

/* ── 섹션 공통 ────────────────────────────────────────── */
section{padding-top:140px;padding-bottom:140px}
section+section{padding-top:0}
.shead{margin-bottom:60px}
.headrow{display:flex;align-items:flex-end;justify-content:space-between;gap:40px}
h2{font-size:36px;font-weight:700;letter-spacing:-.01em;position:relative;padding-left:21px}
h2::before{content:'';position:absolute;left:0;top:11px;bottom:11px;width:3px;background:var(--mint-dim)}
h2 small{font-family:'Inter',sans-serif;font-size:13px;letter-spacing:.2em;color:var(--mint-dim);
  text-transform:uppercase;display:block;margin-bottom:10px;font-weight:400}
.lede{margin-top:18px;font-size:19px;color:var(--mid);max-width:46em;line-height:1.95}
.more{font-family:'Inter',sans-serif;font-size:14px;color:var(--navy);text-decoration:none;
  border-bottom:1px solid var(--mint-dim);padding-bottom:2px;white-space:nowrap}
.prose p{font-size:17px;line-height:2.05;color:#2e2e2e;max-width:44em}
.prose p+p{margin-top:22px}

/* ── 경력 ─────────────────────────────────────────────── */
.career{display:grid;grid-template-columns:1fr}
.crow{display:grid;grid-template-columns:210px 1fr;gap:32px;padding:26px 0;
  border-bottom:1px solid var(--line);align-items:baseline}
.crow .p{font-family:'Inter',sans-serif;font-size:13.5px;color:var(--mint-dim);letter-spacing:.02em}
.crow h4{font-size:18px;font-weight:700;margin-bottom:5px}
.crow p{font-size:14.5px;color:var(--mid);line-height:1.75}
.ckind{display:inline-block;font-family:'Inter',sans-serif;font-size:10.5px;letter-spacing:.14em;
  color:var(--navy);border:1px solid #d5dee3;padding:2px 8px;border-radius:2px;margin-left:9px;
  vertical-align:2px}
.groupt{font-family:'Inter',sans-serif;font-size:12px;letter-spacing:.2em;text-transform:uppercase;
  color:var(--mint-dim);margin:56px 0 14px}
.groupt:first-child{margin-top:0}

/* ── 연구 두 축 ───────────────────────────────────────── */
.axes{display:grid;grid-template-columns:1fr 1fr;gap:52px}
.axis{border:1px solid var(--line);background:#fff;display:flex;flex-direction:column}
.axis .fig{height:290px;display:flex;align-items:center;justify-content:center;
  border-bottom:1px solid var(--line);background:#fbfbfa;overflow:hidden;padding:14px}
.axis .fig img,.axis .fig svg{max-height:100%;max-width:100%;object-fit:contain}
.axis .bd{padding:34px 38px 40px;display:flex;flex-direction:column;flex:1}
.axis .no{font-family:'Inter',sans-serif;font-size:11px;letter-spacing:.2em;color:var(--mint-dim)}
.axis h3{font-size:25px;font-weight:700;margin:11px 0 16px;letter-spacing:-.01em}
.axis p{font-size:18px;line-height:1.95;color:#333}
.kw{margin-top:24px;display:flex;gap:7px;flex-wrap:wrap}
.kw span{font-family:'Inter',sans-serif;font-size:13px;color:var(--navy);border:1px solid #d9e2e6;
  background:#f4f8f8;padding:4px 11px;border-radius:2px}
.axis .go{margin-top:22px;align-self:flex-start}

/* ── 대표 성과 ────────────────────────────────────────── */
.picks{display:grid;grid-template-columns:repeat(3,1fr);gap:40px}
.pick{border-top:2px solid var(--deep);padding-top:26px;display:flex;flex-direction:column}
.plabel{font-family:'Inter',sans-serif;font-size:11px;letter-spacing:.18em;text-transform:uppercase;
  color:#fff;background:var(--navy);align-self:flex-start;padding:4px 10px;border-radius:2px}
.pick h3{font-size:20px;font-weight:700;line-height:1.55;margin:20px 0 12px}
.pick .src{font-size:14px;color:var(--mid);margin-bottom:16px}
.pick p{font-size:15px;line-height:1.95;color:#3a3a3a;flex:1}
.pick a{font-family:'Inter',sans-serif;font-size:13px;color:var(--navy);text-decoration:none;
  margin-top:22px;border-bottom:1px solid var(--mint-dim);align-self:flex-start;padding-bottom:2px}

/* ── 연구이력 목록 ────────────────────────────────────── */
.filters{display:flex;gap:9px;flex-wrap:wrap;margin-bottom:40px}
.filters button{font-family:'Inter',sans-serif;font-size:13px;padding:8px 16px;border-radius:2px;
  border:1px solid var(--line);background:#fff;color:var(--mid);cursor:pointer;transition:.15s}
.filters button:hover{border-color:#b9c6cc}
.filters button.on{background:var(--navy);border-color:var(--navy);color:#fff}
.pubs{border-top:1px solid var(--line)}
.pub{display:grid;grid-template-columns:112px 1fr 150px;gap:28px;padding:26px 0;
  border-bottom:1px solid var(--line);align-items:baseline}
.pub .yr{font-family:'Inter',sans-serif;font-size:14px;color:var(--navy)}
.pub .ti{font-size:18px;line-height:1.62}
.pub .ti i{display:block;font-style:normal;font-size:14px;color:var(--mid);margin-top:6px}
.pub .ti a{color:var(--navy);text-decoration:none;border-bottom:1px solid var(--mint-dim)}
.pub .kd{font-family:'Inter',sans-serif;font-size:11px;letter-spacing:.1em;text-align:right}
.pub .kd span{background:var(--navy);color:#fff;padding:3px 9px;border-radius:2px;
  display:inline-block}
.pub[hidden]{display:none}

/* ── 카드 목록(강의·자료) ─────────────────────────────── */
.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:36px}
.card{border:1px solid var(--line);background:#fff;padding:34px 36px 38px;display:flex;
  flex-direction:column}
.card .kind{font-family:'Inter',sans-serif;font-size:12px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--mint-dim);margin-bottom:12px}
.card h3{font-size:23px;font-weight:700;margin-bottom:12px;letter-spacing:-.005em}
.card .meta{font-size:14px;color:var(--mid);margin-bottom:14px}
.card p{font-size:18px;line-height:1.95;color:#333;flex:1}
.card a.go{margin-top:22px;align-self:flex-start}

/* ── 하단 밴드 ────────────────────────────────────────── */
.band{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  margin-top:140px}
.band .wrap{display:grid;grid-template-columns:1fr 1fr}
.bcell{padding:52px 0}
.bcell+.bcell{border-left:1px solid var(--line);padding-left:56px}
.bcell h4{font-size:21px;font-weight:700;margin-bottom:10px}
.bcell p{font-size:15px;color:var(--mid);margin-bottom:18px;line-height:1.85}

/* ── 연락 ─────────────────────────────────────────────── */
.contact{display:grid;grid-template-columns:repeat(3,1fr);gap:44px}
.contact .item h4{font-family:'Inter',sans-serif;font-size:12px;letter-spacing:.18em;
  text-transform:uppercase;color:var(--mint-dim);margin-bottom:12px;font-weight:400}
.contact .item p{font-size:16.5px;line-height:1.85}
.contact .item a{color:var(--navy);text-decoration:none;border-bottom:1px solid var(--mint-dim)}

footer{background:var(--deep);color:rgba(255,255,255,.62);padding:60px 0 72px;font-size:15px;
  line-height:1.9}
footer a{color:var(--mint);text-decoration:none}
footer .fgrid{display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap}

/* ── 인쇄 ─────────────────────────────────────────────── */
@media print{
  .topbar,.phead,footer,.filters,.band,.more,.btn{display:none!important}
  body{background:#fff}
  .wrap{max-width:none;padding:0}
  section{padding:0 0 18px}
  .pub{grid-template-columns:90px 1fr 110px;padding:10px 0;break-inside:avoid}
  h2{font-size:20px;padding-left:0}
  h2::before{display:none}
  .pub[hidden]{display:grid!important}
}

/* ── 좁은 화면 ────────────────────────────────────────── */
@media (max-width:1100px){
  .hin{grid-template-columns:1fr;gap:48px;padding:72px 0 84px}
  .hin h1{font-size:58px}
  .pf{max-width:420px}
  .axes,.cards,.band .wrap{grid-template-columns:1fr}
  .bcell+.bcell{border-left:0;border-top:1px solid var(--line);padding-left:0}
  .picks{grid-template-columns:1fr}
  .contact{grid-template-columns:1fr}
}
@media (max-width:820px){
  .wrap{padding-left:24px;padding-right:24px}
  .menu{display:none}
  .menu.open{display:flex;position:absolute;left:0;right:0;top:82px;background:var(--deep);
    flex-direction:column;gap:0;padding:8px 24px 20px;z-index:20}
  .menu.open a{padding:12px 0;border-bottom:1px solid rgba(255,255,255,.1)}
  .navtoggle{display:block}
  .topbar .wrap{position:relative}
  section{padding-top:88px;padding-bottom:88px}
  .band{margin-top:88px}
  .hin h1{font-size:46px}
  .phead h1{font-size:34px}
  .crow{grid-template-columns:1fr;gap:8px}
  .pub{grid-template-columns:1fr;gap:6px}
  .pub .kd{text-align:left}
}

/* ── 한 페이지 구조: 나열식 목록 ─────────────────────── */
.topbar{position:sticky;top:0;z-index:30}
section{scroll-margin-top:82px}
.listing{border-top:1px solid var(--line)}
.row{display:grid;grid-template-columns:132px 1fr;gap:28px;padding:20px 0;
  border-bottom:1px solid var(--line);align-items:baseline}
.row .rd{font-family:'Inter',sans-serif;font-size:14.5px;color:var(--mint-dim);
  letter-spacing:.02em;white-space:nowrap}
.row .rt{font-size:19px;line-height:1.78;font-weight:500}
.rtag{display:inline-block;font-family:'Inter',sans-serif;font-size:11.5px;letter-spacing:.1em;
  color:var(--navy);border:1px solid #d5dee3;padding:3px 9px;border-radius:2px;margin-right:11px;
  vertical-align:2px;white-space:nowrap}
.doi{display:block;font-family:'Inter',sans-serif;font-size:14px;color:var(--navy);
  text-decoration:none;margin-top:6px;border-bottom:1px solid var(--mint-dim);
  width:fit-content;padding-bottom:1px}
.toggle{display:block;width:100%;margin:0;padding:16px 0;background:none;border:0;
  border-bottom:1px solid var(--line);font-family:'Inter',sans-serif;font-size:14.5px;
  letter-spacing:.06em;color:var(--navy);cursor:pointer;text-align:left}
.toggle:hover{color:var(--mint-dim)}
.toggle .lb-close{display:none}
.toggle[aria-expanded="true"] .lb-open{display:none}
.toggle[aria-expanded="true"] .lb-close{display:inline}
.rest .yr{font-family:'Inter',sans-serif;font-size:13px;letter-spacing:.2em;color:var(--mint-dim);
  padding:30px 0 8px}
ul.plain{list-style:none;margin-top:4px}
ul.plain li{font-size:15.5px;line-height:2.1;color:#3a3a3a;padding-left:14px;position:relative}
ul.plain li::before{content:'';position:absolute;left:0;top:15px;width:5px;height:1px;
  background:var(--mint-dim)}
@media (max-width:820px){
  .row{grid-template-columns:1fr;gap:6px}
  .rtag{margin-left:0}
}
.cards.one{grid-template-columns:1fr}
.rtag.i{color:var(--mint-dim);border-color:#cfe3df;background:#f4faf8}
.au{color:var(--mid)}
.thesis{display:block;font-size:17px;color:var(--mid);margin-top:7px;line-height:1.7}
.rt a.tl{color:inherit;text-decoration:none;border-bottom:1px solid #cfd9de}
.rt a.tl:hover{border-color:var(--mint-dim);color:var(--navy)}
.doitag{display:inline-block;font-family:'Inter',sans-serif;font-size:11px;letter-spacing:.1em;
  color:var(--mint-dim);border:1px solid #cfe3df;background:#f4faf8;padding:2px 7px;
  border-radius:2px;margin-left:8px;text-decoration:none;vertical-align:1px}
.doitag:hover{border-color:var(--mint-dim);color:var(--navy)}