:root{
  --slide:#EEF1F2; --paper:#FAFBFB; --ink:#16233A; --ink2:#4A586E; --rule:#C9D1D8;
  --b:#2A4BD7; --g:#178F62; --r:#D43A4E; --v:#7C4DCC;
  --b-ink:#2340B8; --g-ink:#0E6E4A; --r-ink:#B02A3C; --v-ink:#6238B0;
  --serif:"Noto Serif KR","Nanum Myeongjo","Batang",serif;
  --sans:"Pretendard Variable",Pretendard,"Noto Sans KR","Malgun Gothic",system-ui,sans-serif;
  --gutter:clamp(20px,5vw,56px);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:17px;line-height:1.85;word-break:keep-all;overflow-wrap:break-word}
img,svg{max-width:100%}
a{color:var(--b-ink);text-underline-offset:3px}
a:hover{color:var(--ink)}
:focus-visible{outline:3px solid var(--b);outline-offset:3px;border-radius:2px}
.skip{position:absolute;left:-999px;top:0;background:var(--ink);color:#fff;padding:10px 16px;z-index:10}
.skip:focus{left:8px;top:8px}
.wrap{width:min(1120px,100%);margin:0 auto;padding-inline:var(--gutter)}
h1,h2,h3{font-family:var(--serif);font-weight:700;line-height:1.35;letter-spacing:-.02em;margin:0}
h1{font-size:clamp(2rem,4.6vw,3.4rem)}
h2{font-size:clamp(1.4rem,2.4vw,1.8rem);margin-bottom:.9em}
h3{font-size:1.2rem}
p{margin:0 0 1em}
.muted{color:var(--ink2)}
.lead{font-size:1.15rem;color:var(--ink2);max-width:36em}
.measure{max-width:38em}
.more{margin-top:1.2em}

/* header */
.top{background:var(--slide);border-bottom:1px solid var(--rule)}
.top-in{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-block:14px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink)}
.mark{width:44px;height:37px;flex:none}
.mark circle{mix-blend-mode:multiply}
.brand-t{display:flex;flex-direction:column;line-height:1.25}
.brand-t b{font-family:var(--serif);font-size:1.35rem;letter-spacing:.02em}
.brand-t small{font-size:.8rem;color:var(--ink2)}
.nav{display:flex;gap:6px;flex-wrap:wrap;align-items:center}
.nav a{color:var(--ink);text-decoration:none;padding:8px 12px;border-radius:6px;font-weight:500}
.nav a:hover{background:#fff}
.nav a[aria-current=page]{box-shadow:inset 0 -3px 0 var(--b)}
.nav .lang{margin-left:8px;border:1px solid var(--rule);background:#fff;font-size:.9rem}

/* hero */
.hero{background:var(--slide);border-bottom:1px solid var(--rule)}
.hero-in{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:clamp(28px,5vw,72px);align-items:center;padding-block:clamp(40px,7vw,88px)}
.where{color:var(--ink2);margin-bottom:1.2em}
.hero h1{margin-bottom:.7em}
.hero-links{display:flex;gap:12px;flex-wrap:wrap;margin-top:1.6em}
.btn{display:inline-block;background:var(--ink);color:#fff;text-decoration:none;padding:12px 22px;border-radius:6px;font-weight:600}
.btn:hover{background:var(--b-ink);color:#fff}
.btn.ghost{background:transparent;color:var(--ink);box-shadow:inset 0 0 0 1.5px var(--ink)}
.btn.ghost:hover{background:#fff;color:var(--ink)}

/* pathway: the signature element */
.pathway{margin:0;background:var(--paper);border:1px solid var(--rule);border-radius:10px;padding:26px 26px 30px}
.pathway figcaption{font-weight:700;margin-bottom:18px}
.chain{list-style:none;margin:0;padding:0;position:relative}
.chain li{position:relative;display:grid;grid-template-columns:150px 1fr;align-items:center;gap:14px;padding:10px 0 10px 0;opacity:0;transform:translateX(-8px);animation:in .5s ease forwards;animation-delay:calc(var(--i)*.28s + .2s)}
.chain li:not(:last-child)::after{content:"";position:absolute;left:34px;top:calc(50% + 22px);height:calc(100% - 20px);width:2px;background:var(--rule)}
.node{display:inline-block;justify-self:start;padding:7px 14px;border-radius:999px;font-weight:700;font-size:.95rem;line-height:1.3;color:#fff;white-space:nowrap}
.n-b{background:var(--b)} .n-g{background:var(--g)} .n-end{background:var(--ink)}
.note{font-size:.88rem;line-height:1.5;color:var(--ink2)}
@keyframes in{to{opacity:1;transform:none}}

/* sections */
.sec{padding-block:clamp(40px,6vw,72px)}
.sec.tint{background:var(--slide);border-block:1px solid var(--rule)}
.two{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,5vw,72px)}
.rows{list-style:none;margin:0;padding:0;border-top:1px solid var(--rule)}
.row{display:grid;grid-template-columns:minmax(0,.7fr) minmax(0,1.3fr);gap:8px 40px;padding:26px 0 26px 22px;border-bottom:1px solid var(--rule);position:relative}
.row::before,.person::before,.axis::before{content:"";position:absolute;left:0;top:26px;bottom:26px;width:5px;border-radius:3px;background:var(--bar)}
.row h3 a{color:var(--ink);text-decoration:none}
.row h3 a:hover{text-decoration:underline;text-decoration-color:var(--bar);text-decoration-thickness:3px}
.row p{margin:0;color:var(--ink2)}
.c-b{--bar:var(--b);--ink-c:var(--b-ink)} .c-g{--bar:var(--g);--ink-c:var(--g-ink)} .c-r{--bar:var(--r);--ink-c:var(--r-ink)} .c-v{--bar:var(--v);--ink-c:var(--v-ink)}

/* page heads */
.page-head{background:var(--slide);border-bottom:1px solid var(--rule);padding-block:clamp(36px,5vw,60px)}
.page-head h1{margin-bottom:.5em}
.page-head .lead{margin:0}

/* research axes */
.axis{position:relative;padding-block:clamp(36px,5vw,60px);border-bottom:1px solid var(--rule)}
.axis::before{top:clamp(36px,5vw,60px);bottom:clamp(36px,5vw,60px);left:var(--gutter);display:none}
.axis-in{display:grid;grid-template-columns:minmax(0,.7fr) minmax(0,1.3fr);gap:20px clamp(28px,5vw,72px)}
.axis h2{margin:0;padding-left:18px;border-left:5px solid var(--bar)}
.axis-body p{max-width:36em}
.keys{list-style:none;display:flex;flex-wrap:wrap;gap:8px;margin:1.4em 0 0;padding:0}
.keys li{border:1.5px solid var(--bar);color:var(--ink-c);border-radius:999px;padding:2px 12px;font-size:.92rem;line-height:1.7;font-weight:500}

/* members */
.pi{display:grid;grid-template-columns:minmax(0,.7fr) minmax(0,1.3fr);gap:20px clamp(28px,5vw,72px)}
.pi h2{margin-bottom:.2em}
.role{color:var(--ink2);margin:0}
.people{list-style:none;margin:0;padding:0;border-top:1px solid var(--rule)}
.person{position:relative;display:grid;grid-template-columns:minmax(0,.7fr) minmax(0,1.3fr);gap:6px 40px;padding:22px 0 22px 22px;border-bottom:1px solid var(--rule)}
.person::before{top:22px;bottom:22px}
.person .topic{margin:0}
.since{margin-left:10px;font-size:.88rem}
.since::before{content:"";display:inline-block;width:1px;height:.9em;background:var(--rule);margin-right:10px;vertical-align:-1px}

/* news & publications */
.news-list .item{padding:20px 0;border-bottom:1px solid var(--rule);display:grid;grid-template-columns:110px 1fr;gap:4px 20px}
.news-list .item:first-child{border-top:1px solid var(--rule)}
.news-list time{color:var(--ink2);font-variant-numeric:tabular-nums}
.news-list h3{font-size:1.05rem;font-family:var(--sans);font-weight:700;letter-spacing:0;margin-bottom:.2em}
.news-list p{margin:0;color:var(--ink2)}
.pubs h2{margin:1.6em 0 .6em}
.pubs ol{list-style:none;margin:0;padding:0;border-top:1px solid var(--rule)}
.pubs li{padding:16px 0;border-bottom:1px solid var(--rule)}
.pubs .t{font-weight:700;display:block}
.pubs .m{color:var(--ink2);font-size:.95rem}
.empty{border:1.5px dashed var(--rule);border-radius:10px;padding:28px;background:#fff;max-width:40em}

/* contact */
address{font-style:normal;margin-bottom:1em}
.mail{font-size:1.3rem;font-weight:700}
.plain{padding-left:1.2em}

/* footer */
.foot{background:var(--ink);color:#DCE3EC;padding-block:40px 24px;font-size:.92rem;line-height:1.7}
.foot a{color:#fff}
.foot-in{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap}
.foot-name{font-weight:700;color:#fff;margin-bottom:.4em}
.foot-links{list-style:none;margin:0;padding:0}
.copy{margin-top:28px;padding-top:18px;border-top:1px solid #33425C;color:#AEBBCC;font-size:.85rem}

@media (max-width:860px){
  body{font-size:16px}
  .hero-in,.two,.axis-in,.pi{grid-template-columns:1fr}
  .row,.person{grid-template-columns:1fr}
  .chain li{grid-template-columns:132px 1fr}
  .news-list .item{grid-template-columns:1fr}
}
@media (max-width:480px){
  .chain li{grid-template-columns:1fr;gap:2px}
  .chain li:not(:last-child)::after{display:none}
  .pathway{padding:20px}
}
@media (prefers-reduced-motion:reduce){
  .chain li{animation:none;opacity:1;transform:none}
}

/* alumni table */
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.tbl-wrap{margin-top:1.4em}
.alumni-tbl{width:100%;border-collapse:collapse;font-size:.97rem;line-height:1.6}
.alumni-tbl thead th{text-align:left;font-weight:600;color:var(--ink2);font-size:.85rem;padding:8px 14px;border-bottom:2px solid var(--ink)}
.alumni-tbl tbody{border-bottom:1px solid var(--rule)}
.alumni-tbl td,.alumni-tbl th.yr{padding:12px 14px;vertical-align:top}
.alumni-tbl tbody tr+tr td{border-top:1px dashed var(--rule)}
.alumni-tbl th.yr{width:5.5em;font-family:var(--serif);font-size:1.15rem;color:var(--b-ink);text-align:left;border-right:1px solid var(--rule)}
.alumni-tbl .nm{width:22%}
.alumni-tbl .dg{width:24%;color:var(--ink2)}
@media (max-width:700px){
  .alumni-tbl thead{display:none}
  .alumni-tbl,.alumni-tbl tbody,.alumni-tbl tr,.alumni-tbl td,.alumni-tbl th.yr{display:block;width:auto}
  .alumni-tbl th.yr{border:0;padding:16px 0 4px;font-size:1.25rem}
  .alumni-tbl tbody tr{padding:8px 0 8px 14px;border-left:4px solid var(--b)}
  .alumni-tbl tbody tr+tr{margin-top:8px}
  .alumni-tbl td{padding:0;border:0!important}
  .alumni-tbl tbody{border-bottom:0}
  .alumni-tbl .nm,.alumni-tbl .dg{width:auto}
}
/* mouse logo */
.mark{width:50px;height:50px}
.mark circle{mix-blend-mode:normal}
.brand-t b span:nth-child(1),.brand-t b span:nth-child(4){color:var(--b)}
.brand-t b span:nth-child(2){color:var(--r)}
.brand-t b span:nth-child(3){color:#C76F00}
.brand-t b span:nth-child(5){color:var(--g)}


/* student mouse icon */
.mini{width:26px;height:26px;vertical-align:-6px;margin-left:4px}
.row p+p{grid-column:2;margin-top:8px}
@media (max-width:700px){.row p+p{grid-column:auto}}