:root{
  --canvas:#F4F3EF;
  --canvas-2:#ECEAE4;
  --paper:#FAFAFA;
  --ink:#141412;
  --text:#242421;
  --muted:#62625B;
  --faint:#6A6A63;
  --lime:#BEF264;
  --line:rgba(20,20,18,.12);
  --line-strong:rgba(20,20,18,.24);
  --sans:'Albert Sans','Pretendard Variable',Pretendard,sans-serif;
  --body:'Pretendard Variable',Pretendard,'Albert Sans',sans-serif;
  --ease:cubic-bezier(.16,1,.3,1);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--canvas);
  color:var(--text);
  font-family:var(--body);
  font-size:17px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  word-break:keep-all;
  overflow-wrap:break-word;
}
body.en{font-family:var(--sans);word-break:normal}
img{display:block;max-width:100%}
a{color:inherit}
button,a{-webkit-tap-highlight-color:transparent}
::selection{background:var(--lime);color:var(--ink)}

.skip-link{
  position:fixed;
  top:10px;
  left:10px;
  z-index:100;
  padding:10px 14px;
  background:var(--ink);
  color:var(--paper);
  text-decoration:none;
  transform:translateY(-160%);
}
.skip-link:focus{transform:translateY(0)}

.site-nav{
  position:fixed;
  inset:0 0 auto;
  z-index:50;
  min-height:72px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  padding:0 40px;
  background:rgba(244,243,239,.94);
  border-bottom:1px solid var(--line);
}
.brand{
  display:inline-flex;
  align-items:baseline;
  gap:8px;
  min-height:44px;
  font-family:var(--sans);
  font-size:17px;
  font-weight:700;
  letter-spacing:-.01em;
  text-decoration:none;
}
.brand-mark{width:10px;height:10px;background:var(--lime);outline:1px solid rgba(20,20,18,.14)}
.nav-links{display:flex;align-items:center;gap:22px}
.nav-link{
  min-height:44px;
  display:inline-flex;
  align-items:center;
  font-family:var(--sans);
  font-size:13px;
  font-weight:600;
  letter-spacing:.02em;
  text-decoration:none;
  color:var(--muted);
  transition:color .2s var(--ease);
}
.nav-link:hover,.nav-link[aria-current='page']{color:var(--ink)}
.nav-cta{color:var(--ink);border-bottom:1px solid var(--line-strong)}
.nav-cta:hover{border-color:var(--ink)}

.container{width:min(1180px,calc(100% - 80px));margin:0 auto}

.hero{
  min-height:100dvh;
  display:flex;
  align-items:center;
  padding:96px 0 56px;
}
.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1.2fr) minmax(320px,.8fr);
  gap:clamp(48px,7vw,96px);
  align-items:center;
}
.hero-kicker{
  font-family:var(--sans);
  font-size:12px;
  font-weight:700;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--muted);
  margin-bottom:24px;
}
.hero-title{
  font-family:var(--sans);
  font-size:clamp(62px,8.8vw,112px);
  font-weight:800;
  line-height:.88;
  letter-spacing:-.045em;
  color:var(--ink);
}
.hero-title span{
  display:block;
  margin-top:22px;
  font-size:.34em;
  font-weight:600;
  line-height:1;
  letter-spacing:.06em;
  color:var(--muted);
}
.hero-lead{margin-top:38px;max-width:590px}
.hero-role{
  font-family:var(--sans);
  font-size:18px;
  font-weight:700;
  color:var(--ink);
}
.hero-summary{margin-top:12px;max-width:36em;color:var(--muted);font-size:16px;line-height:1.8}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
.button{
  min-height:48px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:12px 24px;
  border:1px solid transparent;
  background:var(--ink);
  color:var(--paper);
  font-family:var(--sans);
  font-size:14px;
  font-weight:700;
  text-decoration:none;
  white-space:nowrap;
  transition:transform .18s var(--ease),background .2s var(--ease),border-color .2s var(--ease);
}
.button:hover{background:#30302B}
.button:active{transform:translateY(1px)}
.button-secondary{background:transparent;color:var(--ink);border-color:var(--line-strong)}
.button-secondary:hover{background:var(--paper);border-color:var(--ink)}
.portrait{width:min(100%,390px);margin-left:auto}
.portrait-frame{position:relative;aspect-ratio:2/3;overflow:hidden;background:#D7EAF3}
.portrait-frame::after{
  content:'';
  position:absolute;
  top:18px;
  right:18px;
  width:15px;
  height:15px;
  background:var(--lime);
}
.portrait-frame img{width:100%;height:100%;object-fit:cover;object-position:center top}
.portrait figcaption{
  margin-top:14px;
  color:var(--muted);
  font-family:var(--sans);
  font-size:12px;
  line-height:1.5;
}

.fact-bar{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--paper)}
.facts{display:grid;grid-template-columns:repeat(3,1fr)}
.fact{padding:32px 0}
.fact+.fact{border-left:1px solid var(--line);padding-left:36px}
.fact dt{color:var(--muted);font-size:13px}
.fact dd{
  margin-top:4px;
  font-family:var(--sans);
  font-size:clamp(27px,3vw,42px);
  font-weight:800;
  line-height:1.15;
  letter-spacing:-.03em;
  color:var(--ink);
}

.section{padding:128px 0}
.section-soft{background:var(--canvas-2)}
.section-head{margin-bottom:58px}
.section-title{
  max-width:850px;
  font-family:var(--sans);
  font-size:clamp(42px,6.4vw,76px);
  font-weight:800;
  line-height:1.02;
  letter-spacing:-.04em;
  color:var(--ink);
  text-wrap:balance;
}
.section-intro{max-width:650px;margin-top:22px;color:var(--muted);font-size:16px;line-height:1.85}

.intro-grid{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(300px,.92fr);gap:72px;align-items:start}
.intro-statement{
  max-width:700px;
  font-size:clamp(27px,3.4vw,40px);
  font-weight:700;
  line-height:1.45;
  letter-spacing:-.025em;
  color:var(--ink);
}
.intro-copy{color:var(--muted);font-size:16px;line-height:1.9}
.intro-copy p+p{margin-top:20px}

.company-list{border-top:1px solid var(--line-strong)}
.company-row{
  display:grid;
  grid-template-columns:minmax(180px,.65fr) minmax(260px,1fr) minmax(280px,1.25fr);
  gap:42px;
  padding:44px 0;
  border-bottom:1px solid var(--line);
  align-items:start;
}
.company-name{
  font-family:var(--sans);
  font-size:clamp(28px,3vw,40px);
  font-weight:800;
  line-height:1;
  letter-spacing:-.03em;
  color:var(--ink);
}
.company-name::after{content:'';display:block;width:34px;height:6px;margin-top:20px;background:var(--lime)}
.company-meta{display:grid;grid-template-columns:max-content 1fr;gap:8px 18px;font-size:14px}
.company-meta dt{color:var(--faint)}
.company-meta dd{font-weight:600;color:var(--text)}
.company-copy{color:var(--muted);font-size:15px;line-height:1.85}
.company-copy strong{color:var(--text)}
.company-note{margin-top:22px;color:var(--faint);font-size:13px}

.project-list{border-top:1px solid var(--line-strong)}
.project{
  display:grid;
  grid-template-columns:120px minmax(260px,.9fr) minmax(360px,1.35fr);
  gap:36px;
  padding:46px 0;
  border-bottom:1px solid var(--line);
  align-items:start;
}
.project-year{font-family:var(--sans);font-size:14px;font-weight:700;color:var(--muted);font-variant-numeric:tabular-nums}
.project-title{font-family:var(--sans);font-size:clamp(24px,2.8vw,34px);font-weight:750;line-height:1.25;letter-spacing:-.025em;color:var(--ink)}
.project-kind{display:block;margin-top:11px;color:var(--muted);font-family:var(--sans);font-size:12px;font-weight:600;letter-spacing:.08em}
.project-copy{color:var(--muted);font-size:15px;line-height:1.85}

.timeline-groups{display:grid;grid-template-columns:1fr 1fr;gap:74px}
.timeline-group h3{
  margin-bottom:30px;
  font-family:var(--sans);
  font-size:18px;
  font-weight:750;
  color:var(--ink);
}
.timeline-list{list-style:none;display:grid;gap:28px}
.timeline-list li{display:grid;grid-template-columns:68px 1fr;gap:18px;align-items:start}
.timeline-year{font-family:var(--sans);font-size:13px;font-weight:700;color:var(--muted);font-variant-numeric:tabular-nums}
.timeline-item strong{display:block;font-size:16px;color:var(--text);line-height:1.5}
.timeline-item span{display:block;margin-top:4px;color:var(--faint);font-size:13px;line-height:1.6}

.teaching-layout{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(330px,.9fr);gap:64px;align-items:start}
.seminar-image{width:100%;aspect-ratio:2.15/1;object-fit:cover;background:var(--canvas-2)}
.seminar-copy{margin-top:16px;color:var(--muted);font-size:13px}
.experience-groups{display:grid;gap:42px}
.experience-group h3{font-family:var(--sans);font-size:22px;font-weight:750;color:var(--ink)}
.experience-list{list-style:none;display:grid;gap:22px;margin-top:22px}
.experience-list strong{display:block;font-size:15px;color:var(--text)}
.experience-list span{display:block;margin-top:3px;color:var(--muted);font-size:13px;line-height:1.6}

.contact-section{padding:90px 0 110px}
.contact-panel{
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  gap:48px;
  align-items:end;
  padding:54px 58px;
  background:var(--lime);
}
.contact-title{
  max-width:720px;
  font-family:var(--sans);
  font-size:clamp(38px,5vw,66px);
  font-weight:800;
  line-height:1;
  letter-spacing:-.04em;
  color:var(--ink);
}
.contact-copy{margin-top:20px;max-width:580px;color:#3A3A35;font-size:15px}
.contact-meta{margin-top:18px;font-family:var(--sans);font-size:13px;font-weight:650;color:var(--ink)}

.site-footer{border-top:1px solid var(--line);padding:36px 0 48px}
.footer-inner{display:flex;justify-content:space-between;gap:32px;align-items:flex-start}
.footer-brand{font-family:var(--sans);font-size:15px;font-weight:700;color:var(--ink)}
.footer-copy{margin-top:8px;color:var(--muted);font-size:12px;line-height:1.7}
.footer-links{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:20px}
.footer-links a{min-height:44px;display:inline-flex;align-items:center;color:var(--muted);font-size:12px;text-decoration:none}
.footer-links a:hover{color:var(--ink)}

:focus-visible{outline:2px solid var(--ink);outline-offset:4px}
.reveal{opacity:1;transform:none}
.reveal.reveal-ready{opacity:0;transform:translateY(18px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.reveal-ready.in{opacity:1;transform:none}

@media(max-width:900px){
  .site-nav{padding:0 22px}
  .container{width:min(100% - 44px,720px)}
  .hero{padding:112px 0 72px}
  .hero-grid{grid-template-columns:1fr;gap:52px}
  .portrait{width:min(82vw,390px);margin:0}
  .fact{padding:26px 0}
  .fact+.fact{padding-left:24px}
  .section{padding:96px 0}
  .intro-grid,.teaching-layout{grid-template-columns:1fr;gap:42px}
  .company-row{grid-template-columns:1fr 1fr;gap:28px 36px}
  .company-copy{grid-column:1/-1}
  .project{grid-template-columns:88px 1fr;gap:18px 28px}
  .project-copy{grid-column:2}
  .timeline-groups{gap:42px}
  .contact-panel{grid-template-columns:1fr;align-items:start;padding:44px}
}

@media(max-width:620px){
  body{font-size:16px}
  .nav-links{gap:14px}
  .nav-projects{display:none}
  .nav-link{font-size:12px}
  .hero{min-height:auto;padding:100px 0 50px}
  .hero-grid{grid-template-columns:minmax(0,1fr) 116px;gap:0 18px;align-items:start}
  .hero-grid>div:first-child{display:contents;opacity:1!important;transform:none!important}
  .hero-kicker{grid-column:1/-1;grid-row:1;margin-bottom:14px}
  .hero-title{grid-column:1;grid-row:2;font-size:clamp(50px,14vw,58px)}
  .hero-title span{margin-top:14px;font-size:.31em}
  .hero-lead{grid-column:1/-1;grid-row:3;margin-top:28px}
  .hero-summary{line-height:1.65}
  .hero-actions{grid-column:1/-1;grid-row:4;margin-top:24px}
  .hero-actions{display:grid;grid-template-columns:1fr}
  .button{width:100%}
  .portrait{grid-column:2;grid-row:2;width:100%;align-self:start}
  .portrait-frame{aspect-ratio:2/3}
  .portrait-frame::after{top:10px;right:10px;width:10px;height:10px}
  .portrait-frame img{object-position:center top}
  .portrait figcaption{display:none}
  .facts{grid-template-columns:1fr}
  .fact{display:grid;grid-template-columns:110px 1fr;align-items:end;padding:22px 0}
  .fact+.fact{border-left:0;border-top:1px solid var(--line);padding-left:0}
  .fact dt{grid-column:2;grid-row:1}
  .fact dd{grid-column:1;grid-row:1/3;font-size:28px}
  .section{padding:82px 0}
  .section-head{margin-bottom:42px}
  .section-title{font-size:clamp(38px,12vw,54px)}
  .intro-grid{gap:30px}
  .company-row{grid-template-columns:1fr;gap:26px;padding:36px 0}
  .company-copy{grid-column:auto}
  .project{grid-template-columns:1fr;gap:12px;padding:36px 0}
  .project-copy{grid-column:auto}
  .project-year{margin-bottom:2px}
  .timeline-groups{grid-template-columns:1fr;gap:58px}
  .seminar-image{aspect-ratio:1.65/1}
  .contact-section{padding:62px 0 82px}
  .contact-panel{padding:34px 26px}
  .footer-inner{flex-direction:column}
  .footer-links{justify-content:flex-start}
}

@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal.reveal-ready{opacity:1;transform:none;transition:none}
  .button{transition:none}
}