:root{
  --paper:#f1ebdd;
  --paper-deep:#e7ded0;
  --paper-dark:#dcd1bd;
  --ink:#211d17;
  --ink-soft:#514a3d;
  --ink-faint:#87806f;
  --accent:#7e2f2a;
  --accent-soft:#a8564f;
  --moss:#495c40;
  --rule:#c6b99e;
  --rule-soft:#d8cead;
  --max:1180px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:'Noto Serif KR', serif;
  font-weight:400;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  position:relative;
}
/* paper grain overlay */
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:500;
  opacity:.05;
  mix-blend-mode:multiply;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
a{color:var(--accent); text-decoration-thickness:1px;}
.font-display{font-family:'Fraunces', 'Noto Serif KR', serif;}
.font-sans{font-family:'IBM Plex Sans KR','Noto Serif KR', sans-serif;}
.label{
  font-family:'IBM Plex Sans KR', sans-serif;
  font-size:11px;
  letter-spacing:.24em;
  text-transform:uppercase;
  color:var(--ink-faint);
}
/* ---------- running head ---------- */
.masthead-strip{
  display:flex;
  justify-content:space-between;
  align-items:center;
  max-width:var(--max);
  margin:0 auto;
  padding:22px 28px 16px;
  border-bottom:1px solid var(--rule);
}
.masthead-strip span{font-family:'IBM Plex Sans KR',sans-serif; font-size:11px; letter-spacing:.18em; text-transform:uppercase; color:var(--ink-soft);}
/* ---------- side index tabs ---------- */
.side-index{
  position:fixed;
  left:0;
  top:50%;
  transform:translateY(-50%);
  z-index:400;
  display:flex;
  flex-direction:column;
  gap:4px;
}
.side-index a{
  writing-mode:vertical-rl;
  text-orientation:mixed;
  font-family:'IBM Plex Sans KR',sans-serif;
  font-weight:600;
  font-size:14px;
  letter-spacing:.22em;
  color:var(--paper);
  background:var(--accent);
  border:1px solid var(--ink);
  border-left:none;
  padding:20px 9px;
  text-decoration:none;
  box-shadow:2px 2px 0 var(--ink);
  transition:background .2s, padding-left .2s, transform .2s;
}
.side-index a:hover{background:var(--moss); padding-left:14px; transform:translateX(2px);}
@media (max-width:860px){ .side-index{display:none;} }
/* ---------- hero / masthead ---------- */
.hero{
  max-width:var(--max);
  margin:0 auto;
  padding:64px 28px 56px;
  position:relative;
}
.hero-grid{
  display:grid;
  grid-template-columns:auto 1fr;
  gap:20px 48px;
  align-items:end;
}
.spine{
  writing-mode:vertical-rl;
  transform:rotate(180deg);
  font-family:'IBM Plex Sans KR',sans-serif;
  font-size:12px;
  letter-spacing:.3em;
  color:var(--ink-faint);
  align-self:stretch;
  border-right:1px solid var(--rule);
  padding-right:16px;
  white-space:nowrap;
}
.name{
  font-family:'Fraunces','Noto Serif KR',serif;
  font-weight:500;
  font-size:clamp(58px, 11vw, 132px);
  line-height:.92;
  letter-spacing:-.01em;
  margin:0;
}
.name em{font-style:italic; font-weight:400; color:var(--accent);}
.romanized{
  font-family:'IBM Plex Sans KR',sans-serif;
  font-size:13px;
  letter-spacing:.32em;
  color:var(--ink-soft);
  margin:10px 0 0 4px;
  text-transform:uppercase;
}
.hero-second{
  display:grid;
  grid-template-columns:1fr auto;
  gap:32px;
  margin-top:38px;
  align-items:start;
}
.tagline{
  font-family:'Fraunces','Noto Serif KR',serif;
  font-style:italic;
  font-weight:400;
  font-size:clamp(19px,2.4vw,26px);
  max-width:560px;
  color:var(--ink-soft);
  position:relative;
  padding-bottom:14px;
}
.tagline svg{position:absolute; left:0; bottom:0; width:220px; height:12px;}
.seal{
  justify-self:end;
  border:1px solid var(--ink);
  border-radius:50%;
  width:118px;
  height:118px;
  display:flex;
  align-items:center;
  justify-content:center;
  text-align:center;
  transform:rotate(-9deg);
  font-family:'IBM Plex Sans KR',sans-serif;
  font-size:10.5px;
  letter-spacing:.12em;
  line-height:1.5;
  color:var(--accent);
  flex-shrink:0;
  padding:8px;
}
.seal b{display:block; font-family:'Fraunces',serif; font-style:italic; font-size:15px; color:var(--ink);}
@media (max-width:640px){
  .spine{display:none;}
  .hero-second{grid-template-columns:1fr;}
  .seal{justify-self:start;}
}
/* ---------- section shell ---------- */
section{
  max-width:var(--max);
  margin:0 auto;
  padding:64px 28px;
  position:relative;
}
.section-head{
  display:grid;
  grid-template-columns:110px 1fr;
  gap:24px;
  margin-bottom:40px;
  align-items:baseline;
}
.section-num{
  font-family:'Fraunces',serif;
  font-style:italic;
  font-size:15px;
  color:var(--accent);
  border-top:1px solid var(--rule);
  padding-top:10px;
}
.section-title{
  font-family:'Fraunces','Noto Serif KR',serif;
  font-weight:500;
  font-size:clamp(26px,3.4vw,38px);
  border-top:1px solid var(--ink);
  padding-top:10px;
  margin:0;
}
.section-title small{
  display:block;
  font-family:'IBM Plex Sans KR',sans-serif;
  font-weight:400;
  font-style:normal;
  font-size:12px;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--ink-faint);
  margin-top:6px;
}
@media (max-width:640px){ .section-head{grid-template-columns:1fr;} .section-num{border-top:none; padding-top:0;} }
/* torn divider */
.divider{max-width:var(--max); margin:0 auto; padding:0 28px;}
.divider svg{width:100%; height:14px; display:block;}
/* ---------- statement ---------- */
.statement-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr;
  gap:56px;
}
.statement p{
  font-size:18px;
  color:var(--ink);
  margin:0 0 22px;
}
.statement p:first-of-type::first-letter{
  font-family:'Fraunces',serif;
  font-style:italic;
  font-weight:600;
  font-size:64px;
  float:left;
  line-height:.8;
  padding:6px 10px 0 0;
  color:var(--accent);
}
.marginalia{
  border-left:1px solid var(--rule);
  padding-left:24px;
  align-self:start;
  position:sticky;
  top:40px;
}
.marginalia .tag{font-family:'IBM Plex Sans KR',sans-serif; font-size:10.5px; letter-spacing:.2em; text-transform:uppercase; color:var(--ink-faint); display:block; margin-bottom:10px;}
.marginalia blockquote{
  font-family:'Fraunces',serif;
  font-style:italic;
  font-size:16px;
  color:var(--ink-soft);
  margin:0 0 8px;
  line-height:1.6;
}
.marginalia cite{font-family:'IBM Plex Sans KR',sans-serif; font-style:normal; font-size:11.5px; color:var(--ink-faint);}
.marginalia + .marginalia, .marginalia .block + .block{margin-top:34px;}
.marginalia .block{margin-bottom:34px;}
.marginalia .block:last-child{margin-bottom:0;}
@media (max-width:800px){ .statement-grid{grid-template-columns:1fr;} .marginalia{position:static; border-left:none; padding-left:0; border-top:1px solid var(--rule); padding-top:24px;} }
/* ---------- timeline ---------- */
.timeline{position:relative;}
.tl-row{
  display:grid;
  grid-template-columns:150px 1fr;
  gap:24px;
  padding:22px 0;
  border-bottom:1px solid var(--rule-soft);
}
.tl-row:first-child{padding-top:0;}
.tl-year{
  font-family:'Fraunces',serif;
  font-style:italic;
  font-size:17px;
  color:var(--accent);
  padding-top:2px;
}
.tl-role{font-family:'IBM Plex Sans KR',sans-serif; font-weight:600; font-size:15.5px; margin:0 0 4px;}
.tl-org{font-size:15px; color:var(--ink-soft); margin:0 0 6px;}
.tl-desc{font-size:14.5px; color:var(--ink-faint); margin:0; max-width:640px;}
.tl-tag{
  display:inline-block;
  font-family:'IBM Plex Sans KR',sans-serif;
  font-size:10px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--moss);
  border:1px solid var(--moss);
  padding:2px 8px;
  border-radius:0 8px 0 8px;
  margin-left:8px;
  vertical-align:2px;
}
@media (max-width:640px){ .tl-row{grid-template-columns:1fr;} }
/* ---------- teaching ---------- */
.teach-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:0;}
.teach-col{border-left:1px solid var(--rule); padding:0 24px;}
.teach-col:first-child{border-left:none; padding-left:0;}
.teach-col h4{font-family:'Fraunces',serif; font-style:italic; font-weight:500; font-size:20px; margin:0 0 4px;}
.teach-col .role{font-family:'IBM Plex Sans KR',sans-serif; font-size:11px; letter-spacing:.14em; color:var(--ink-faint); text-transform:uppercase; margin-bottom:18px; display:block;}
.teach-col ul{list-style:none; margin:0; padding:0;}
.teach-col li{font-size:14.5px; padding:9px 0; border-bottom:1px dotted var(--rule-soft); color:var(--ink-soft);}
.teach-col li span{display:block; font-size:12px; color:var(--ink-faint); margin-top:2px;}
@media (max-width:760px){ .teach-grid{grid-template-columns:1fr; gap:32px;} .teach-col{border-left:none; padding:0; border-top:1px solid var(--rule); padding-top:24px;} .teach-col:first-child{border-top:none; padding-top:0;} }
/* ---------- interests ---------- */
.interest-list{display:grid; gap:0;}
.interest-item{
  display:grid;
  grid-template-columns:70px 1fr;
  gap:20px;
  padding:26px 0;
  border-bottom:1px solid var(--rule-soft);
  align-items:start;
}
.interest-item:first-child{padding-top:0;}
.interest-num{font-family:'Fraunces',serif; font-style:italic; font-size:34px; color:var(--rule);}
.interest-item h4{font-family:'IBM Plex Sans KR',sans-serif; font-weight:600; font-size:17px; margin:0 0 6px;}
.interest-item p{margin:0; font-size:15px; color:var(--ink-soft); max-width:640px;}
/* ---------- board (게시판) ---------- */
.board-note{font-size:14px; color:var(--ink-faint); margin:-20px 0 32px; max-width:640px;}
.board-list{list-style:none; margin:0; padding:0;}
.board-item{border-bottom:1px solid var(--rule-soft);}
.board-item:first-child{border-top:1px solid var(--rule-soft);}
.board-item summary{
  cursor:pointer;
  list-style:none;
  display:grid;
  grid-template-columns:96px auto 1fr 20px;
  gap:18px;
  align-items:baseline;
  padding:20px 0;
}
.board-item summary::-webkit-details-marker{display:none;}
.board-date{font-family:'IBM Plex Sans KR',sans-serif; font-size:12px; color:var(--ink-faint); white-space:nowrap;}
.board-tag{
  font-family:'IBM Plex Sans KR',sans-serif;
  font-size:10.5px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--moss);
  border:1px solid var(--moss);
  padding:2px 8px;
  border-radius:0 8px 0 8px;
  white-space:nowrap;
  align-self:center;
}
.board-title{font-family:'Fraunces','Noto Serif KR',serif; font-style:italic; font-size:17px; color:var(--ink);}
.board-item summary::after{
  content:"＋";
  font-family:'IBM Plex Sans KR',sans-serif;
  color:var(--ink-faint);
  justify-self:end;
}
.board-item[open] summary::after{content:"－";}
.board-body{
  margin:-6px 0 22px 114px;
  padding-right:20px;
  font-size:14.5px;
  color:var(--ink-soft);
  max-width:640px;
}
.board-placeholder{
  font-family:'IBM Plex Sans KR',sans-serif;
  font-size:11px;
  letter-spacing:.1em;
  color:var(--accent);
  display:block;
  margin-bottom:8px;
}
@media (max-width:640px){
  .board-item summary{grid-template-columns:1fr 20px; row-gap:6px;}
  .board-date, .board-tag{grid-column:1/2;}
  .board-title{grid-column:1/2;}
  .board-body{margin-left:0;}
}
.giscus-wrap{border-top:1px solid var(--rule); padding-top:4px;}
.board-actions{display:flex; gap:14px; flex-wrap:wrap; margin:22px 0 34px;}
.board-actions .cta{
  font-family:'IBM Plex Sans KR',sans-serif;
  font-weight:600;
  font-size:13.5px;
  letter-spacing:.04em;
  color:var(--paper);
  background:var(--accent);
  border:1px solid var(--ink);
  border-radius:0 10px 0 10px;
  padding:11px 20px;
  text-decoration:none;
  box-shadow:3px 3px 0 var(--ink);
  transition:transform .15s, box-shadow .15s, background .15s;
  display:inline-block;
}
.board-actions .cta:hover{background:var(--moss); transform:translate(-2px,-2px); box-shadow:5px 5px 0 var(--ink);}
.board-actions .cta.secondary{background:transparent; color:var(--ink-soft); box-shadow:3px 3px 0 var(--rule);}
.board-actions .cta.secondary:hover{background:var(--paper-deep); color:var(--ink);}
/* ---------- private board (real, server-gated) ---------- */
.private-note{
  border:1px solid var(--rule);
  background:var(--paper-deep);
  padding:16px 20px;
  font-family:'IBM Plex Sans KR',sans-serif;
  font-size:13px;
  color:var(--ink-soft);
  max-width:640px;
  margin-bottom:32px;
}
.back-link{
  display:inline-block;
  font-family:'IBM Plex Sans KR',sans-serif;
  font-size:13px;
  color:var(--ink-soft);
  text-decoration:none;
  margin-bottom:8px;
}
.back-link:hover{color:var(--accent);}
/* ---------- publications ---------- */
.pub-note{font-size:14px; color:var(--ink-faint); margin:-20px 0 32px; max-width:640px;}
.pub-group{margin-bottom:44px;}
.pub-group h4{
  font-family:'IBM Plex Sans KR',sans-serif;
  font-size:11.5px;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--accent);
  border-bottom:1px solid var(--ink);
  padding-bottom:8px;
  margin:0 0 16px;
}
.pub-list{list-style:none; margin:0; padding:0; columns:1;}
.pub-list li{
  font-size:14.5px;
  line-height:1.7;
  padding:10px 0 10px 30px;
  position:relative;
  border-bottom:1px dotted var(--rule-soft);
  color:var(--ink-soft);
}
.pub-list li::before{
  content:attr(data-n);
  position:absolute;
  left:0; top:10px;
  font-family:'Fraunces',serif;
  font-style:italic;
  font-size:13px;
  color:var(--accent);
}
.pub-list em{font-style:italic; color:var(--ink);}
.pub-list .yr{font-family:'IBM Plex Sans KR',sans-serif; font-size:11.5px; color:var(--ink-faint);}
details.reports{margin-top:8px;}
details.reports summary{
  cursor:pointer;
  font-family:'IBM Plex Sans KR',sans-serif;
  font-size:12px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--accent);
  padding:8px 0;
  list-style:none;
}
details.reports summary::-webkit-details-marker{display:none;}
details.reports summary::before{content:"＋ "; }
details.reports[open] summary::before{content:"－ ";}
details.reports .pub-list{margin-top:12px;}
/* ---------- credentials ---------- */
.cred-grid{display:grid; grid-template-columns:1fr 1fr; gap:12px 48px;}
.cred-grid div{
  display:flex; justify-content:space-between; gap:12px;
  font-size:14.5px; padding:10px 0; border-bottom:1px dotted var(--rule-soft);
  color:var(--ink-soft);
}
.cred-grid div span:last-child{color:var(--ink-faint); font-size:13px; white-space:nowrap; font-family:'IBM Plex Sans KR',sans-serif;}
@media (max-width:640px){ .cred-grid{grid-template-columns:1fr;} }
/* ---------- contact / colophon ---------- */
.colophon{
  background:var(--ink);
  color:var(--paper);
}
.colophon a{color:var(--paper); text-decoration-color:var(--accent-soft);}
.colophon .section-title{border-top:1px solid #4a4437; color:var(--paper);}
.colophon .section-num{border-top:1px solid #4a4437; color:var(--accent-soft);}
.contact-grid{display:grid; grid-template-columns:1fr 1fr; gap:40px;}
.contact-grid h5{font-family:'IBM Plex Sans KR',sans-serif; font-size:11px; letter-spacing:.2em; text-transform:uppercase; color:#a89f8c; margin:0 0 10px;}
.contact-grid p{margin:0 0 6px; font-size:16px;}
.foot-note{
  max-width:var(--max); margin:0 auto; padding:0 28px 40px;
  font-family:'IBM Plex Sans KR',sans-serif; font-size:11px; letter-spacing:.06em; color:#8f8672;
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:8px;
}