:root {
  color-scheme: light;
  --paper: #F7F3EF;
  --surface: #FFFCF8;
  --ink: #111111;
  --cv-navy: #1F3A5F;
  --cv-blue: #2B5C8A;
  --cv-link: #4F81BD;
  --cv-muted: #6B7280;
  --accent-electric: #1554D1;
  --rule: #1F3A5F;
  --rule-soft: #C9D0D8;
  --space-1: 0.5rem;
  --space-2: 0.875rem;
  --space-3: 1.5rem;
  --space-4: 2.5rem;
  --space-5: 4.5rem;
  --radius: 0.2rem;
  --content-width: 72rem;
  font-family: "Noto Serif KR", "Noto Serif", Georgia, serif;
  line-height: 1.72;}
* { box-sizing: border-box; }
html { background: var(--paper); }
body {
  max-width: var(--content-width);
  min-height: 100vh;
  margin: 0 auto;
  padding: var(--space-4) var(--space-3) var(--space-5);
  overflow-x: hidden;
  color: var(--ink);
  background: var(--paper);
  font-family: "Noto Serif KR", "Noto Serif", Georgia, serif;
  font-size: 1rem;
  /* 한국어는 어절 단위로만 줄을 바꾼다. keep-all 이 없으면 "20세/기",
     "기/술공생"처럼 낱말 한가운데가 끊긴다. 어절 하나가 줄보다 길 때만
     break-word 로 예외 처리한다(긴 URL 등). */
  word-break: keep-all;
  overflow-wrap: break-word;}
img,
svg,
video { max-width: 100%; height: auto; }
/* <picture> 는 webp 협상용 껍데기일 뿐이므로 레이아웃 상자를 만들지
   않는다. 이렇게 두어야 .book-cover img { height: 100% } 처럼 부모
   높이를 기준으로 쓰는 기존 규칙이 그대로 동작한다.
   (.hero-tile picture 는 자기 규칙으로 display: block 을 유지한다) */
picture { display: contents; }
main { min-width: 0; }
header,
.site-header {
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--rule);}
.site-identity,
header > p:first-child {
  margin: 0;
  color: var(--cv-navy);
  font-size: clamp(1.5rem, 3vw, 2.35rem);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.15;}
.eyebrow {
  margin: 0 0 var(--space-1);
  color: var(--accent-electric);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.11em;
  text-transform: uppercase;}
.site-nav,
nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem 1rem;
  margin: var(--space-2) 0 0;
  padding: 0;
  list-style: none;}
.site-nav a,
nav a {
  display: inline-block;
  padding: 0.15rem 0;
  color: var(--cv-navy);
  font-size: 0.94rem;
  font-weight: 700;
  line-height: 1.35;
  text-decoration-color: var(--accent-electric);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.24em;}
.site-nav a:hover,
nav a:hover { color: var(--accent-electric); }
.site-nav a[aria-current="page"],
nav a[aria-current="page"] {
  color: var(--ink);
  text-decoration-line: underline;
  text-decoration-color: var(--ink);
  text-decoration-thickness: 2px;}
a {
  color: var(--accent-electric);
  text-decoration-color: currentColor;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;}
a:hover { color: var(--cv-blue); }
a:focus-visible,
button:focus-visible,
[tabindex]:focus-visible {
  outline: 3px solid var(--accent-electric);
  outline-offset: 3px;
  border-radius: var(--radius);}
article,
section { margin: var(--space-4) 0; }
section > :first-child,
article > :first-child { margin-top: 0; }
h1,
h2,
h3 {
  color: var(--cv-navy);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.2;}
h1 {
  max-width: 20ch;
  margin: 0 0 var(--space-2);
  font-size: clamp(2.15rem, 6vw, 4rem);}
h2 {
  margin: 0 0 var(--space-3);
  padding-top: var(--space-1);
  border-top: 1px solid var(--rule);
  font-size: clamp(1.35rem, 3vw, 2rem);}
h3 {
  margin: 0;
  font-size: 1.1rem;}
p,
li { max-width: 75ch; }
p { margin: 0 0 var(--space-2); }
ul,
ol { padding-left: 1.25rem; }
li { margin: 0.4rem 0; }
.lead,
.lead p {
  max-width: 57ch;
  color: var(--cv-navy);
  font-size: clamp(1.12rem, 2.2vw, 1.4rem);
  line-height: 1.65;}
.lead { margin: 0 0 var(--space-4); }
.meta,
.record-meta,
.publication-meta {
  color: var(--cv-muted);
  font-size: 0.91rem;
  line-height: 1.55;}
.label {
  display: inline-block;
  margin-right: 0.4rem;
  padding: 0.05rem 0.4rem;
  border: 1px solid var(--cv-blue);
  color: var(--cv-blue);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1.35;}
.page-subnav {
  margin: var(--space-3) 0 var(--space-4);
  padding: var(--space-2) var(--space-3);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  background: color-mix(in srgb, var(--surface) 80%, transparent);}
.page-subnav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1rem;
  margin: 0;
  padding: 0;
  list-style: none;}
.page-subnav a {
  color: var(--cv-blue);
  font-size: 0.92rem;
  font-weight: 700;}
.record-list,
.book-list,
.publication-list {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--rule);
  list-style: none;}
.record,
.book-item,
.publication-item {
  display: grid;
  grid-template-columns: minmax(6.5rem, 10rem) minmax(0, 1fr);
  gap: var(--space-2) var(--space-3);
  margin: 0;
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--rule-soft);}
.record-date {
  color: var(--cv-blue);
  font-size: 0.9rem;
  font-weight: 700;
  line-height: 1.5;}
.record-title,
.book-title,
.publication-title {
  color: var(--cv-navy);
  font-size: 1.06rem;
  font-weight: 700;
  line-height: 1.45;}
.record-title,
.book-title,
.publication-title,
.record a,
.book-item a,
.publication-item a,
.talk-card a {
  /* anywhere 는 한국어 제목을 낱말 중간에서 자른다. body 의 keep-all 을
     그대로 물려받고, 넘칠 때만 끊도록 break-word 로 둔다. */
  overflow-wrap: break-word;}
.record-body > :last-child,
.book-item > :last-child,
.publication-item > :last-child { margin-bottom: 0; }
.book-note {
  margin-top: 0.25rem;
  color: var(--cv-blue);
  font-size: 0.92rem;}
.book-item { grid-template-columns: minmax(5rem, 8rem) minmax(0, 1fr); }
.book-item::before {
  content: "BOOK";
  color: var(--accent-electric);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.09em;}
.publication-item { grid-template-columns: minmax(4.5rem, 7rem) minmax(0, 1fr); }
.publication-item::before {
  content: "PUB";
  color: var(--accent-electric);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.09em;}
.academic-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(16rem, 0.36fr);
  gap: var(--space-3);
  align-items: start;}
.academic-photo {
  min-width: 0;
  margin: 0;
  padding: var(--space-2);
  border: 1px solid var(--rule-soft);
  border-top: 2px solid var(--cv-navy);
  border-radius: var(--radius);
  background: var(--surface);}
.academic-photo img {
  display: block;
  width: 100%;
  height: auto;}
.academic-photo figcaption {
  margin-top: var(--space-2);
  color: var(--cv-muted);
  font-size: 0.85rem;
  line-height: 1.45;}
.talk-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3);}
.talk-card {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  min-width: 0;
  margin: 0;
  padding: var(--space-3);
  border: 1px solid var(--rule-soft);
  border-top: 2px solid var(--cv-navy);
  border-radius: var(--radius);
  background: var(--surface);}
.talk-card h3 { margin: 0.1rem 0 0.25rem; }
.talk-card p { margin: 0; }
.talk-card:hover { border-top-color: var(--accent-electric); }
blockquote {
  margin: var(--space-3) 0;
  padding: 0.25rem 0 0.25rem var(--space-3);
  border-left: 2px solid var(--accent-electric);
  color: var(--cv-navy);}
hr {
  height: 1px;
  margin: var(--space-4) 0;
  border: 0;
  background: var(--rule);}
footer {
  margin-top: var(--space-5);
  padding-top: var(--space-2);
  border-top: 1px solid var(--rule);
  color: var(--cv-muted);
  font-size: 0.88rem;}
@media (max-width: 720px) {
  body {
    padding: var(--space-3) var(--space-2) var(--space-4);
    font-size: 0.98rem;
  }
  header,
  .site-header { margin-bottom: var(--space-3); }
  .site-nav,
  nav ul { gap: 0.4rem 0.8rem; }
  .site-nav a,
  nav a { font-size: 0.9rem; }
  h1 { font-size: clamp(2rem, 11vw, 3rem); }
  h2 { margin-bottom: var(--space-2); }
  article,
  section { margin: var(--space-3) 0; }
  .page-subnav { padding: var(--space-2); }
  .record,
  .book-item,
  .publication-item {
    grid-template-columns: minmax(0, 1fr);
    gap: 0.35rem;
    padding: var(--space-2) 0;
  }
  .record-date { grid-column: 1; grid-row: auto; }
  .book-item::before,
  .publication-item::before { margin-bottom: 0.15rem; }
  .talk-grid { grid-template-columns: minmax(0, 1fr); gap: var(--space-2); }
  .academic-layout { grid-template-columns: 1fr; }
  .talk-card { padding: var(--space-2); }
}
@media print {
  body {
    max-width: none;
    padding: 0;
    background: #FFFFFF;
  }
  .site-nav,
  .page-subnav { display: none; }
  a { color: inherit; text-decoration: none; }
  .talk-card,
  .record,
  .book-item,
  .publication-item { break-inside: avoid; }
}
/* 2026 brand homepage system */
:root { --paper: #f5f1ed; --surface: #fffdfa; --ink: #0d0e11; --blue: #1648d4; --blue-dark: #0b2d88; --line: #17191d; --line-soft: #d8d0c8; --shadow: 0 20px 50px rgba(22, 72, 212, .12); }
html { background: var(--paper); scroll-behavior: smooth; }
body { max-width: none; padding: 0 clamp(1rem, 3vw, 3.5rem) 3rem; background: var(--paper); color: var(--ink); font-family: "Noto Sans KR", "Pretendard", Arial, sans-serif; }
.site-header { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 1.25rem; max-width: 90rem; margin: 0 auto; padding: 1.25rem 0 1rem; border-bottom: 1px solid var(--line); }
.site-brand,
.site-identity { display: inline-flex; align-items: baseline; gap: .75rem; color: var(--ink); font-size: clamp(1.2rem, 2.2vw, 1.65rem); font-weight: 800; letter-spacing: -.06em; text-decoration: none; white-space: nowrap; }
.site-brand span + span { padding-left: .75rem; border-left: 1px solid var(--line); font-size: .72em; letter-spacing: -.03em; }
.site-nav { justify-self: end; margin: 0; }
.site-nav ul { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: .35rem clamp(.7rem, 2.2vw, 1.8rem); margin: 0; padding: 0; list-style: none; }
.site-nav a { color: var(--ink); font-size: .82rem; font-weight: 800; text-decoration: none; }
.site-nav a:hover,
.site-nav a[aria-current="page"] { color: var(--blue); }
.site-nav a[aria-current="page"]::after { display: block; width: 100%; height: 2px; margin-top: .25rem; background: var(--blue); content: ""; }
.skip-link { position: fixed; z-index: 20; top: .75rem; left: .75rem; padding: .55rem .8rem; transform: translateY(-150%); background: var(--blue); color: #fff; font-weight: 800; text-decoration: none; }
.skip-link:focus { transform: translateY(0); }
main { max-width: 90rem; margin: 0 auto; }
.hero { position: relative; display: grid; grid-template-columns: minmax(0, 5fr) minmax(20rem, 7fr); gap: clamp(2rem, 6vw, 6rem); align-items: center; min-height: min(44rem, calc(100vh - 7rem)); padding: clamp(3.5rem, 8vw, 7.5rem) 0 clamp(3rem, 6vw, 6rem); }
.hero-copy { position: relative; z-index: 1; }
.hero h1 { max-width: 14ch; margin: 0; color: var(--ink); font-family: "Noto Sans KR", "Pretendard", Arial, sans-serif; font-size: clamp(2.4rem, 6vw, 6.8rem); font-weight: 900; letter-spacing: -.095em; line-height: 1.03; }
.hero h1 em,
.home-contact h2 em { color: var(--blue); font-style: normal; }
.hero-role { margin: 1.4rem 0 .75rem; font-size: clamp(1rem, 1.8vw, 1.25rem); font-weight: 800; letter-spacing: -.04em; }
.hero-intro { max-width: 35rem; margin: 0; color: #4c5058; font-size: clamp(1rem, 1.6vw, 1.18rem); line-height: 1.75; }
.hero-keywords { display: flex; flex-wrap: wrap; gap: .45rem; margin: 1.5rem 0 1.8rem; }
.hero-keywords a { padding: .4rem .7rem; border: 1px solid var(--blue); border-radius: 999px; color: var(--blue-dark); font-size: .78rem; font-weight: 800; text-decoration: none; }
.hero-keywords a:hover { background: var(--blue); color: #fff; }
.hero-actions,
.contact-actions { display: flex; flex-wrap: wrap; align-items: center; gap: .75rem; }
.cta { display: inline-flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 2.8rem; padding: .65rem 1rem; border: 1px solid var(--ink); font-size: .84rem; font-weight: 800; text-decoration: none; }
.cta-primary { border-color: var(--blue); background: var(--blue); color: #fff; }
.cta-primary:hover { border-color: var(--blue-dark); background: var(--blue-dark); color: #fff; }
.cta-secondary { color: var(--ink); }
.cta-secondary:hover { background: var(--ink); color: #fff; }
.text-link { color: var(--blue-dark); font-size: .9rem; font-weight: 800; text-underline-offset: .3em; }
.book-card-year { color: var(--blue); font-size: .72rem; font-weight: 900; letter-spacing: .12em; text-transform: uppercase; }
section:not(.hero) { margin: clamp(4.5rem, 10vw, 9rem) 0; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 1rem; margin-bottom: 1.5rem; border-bottom: 1px solid var(--line); }
.section-heading h2 { margin: .2rem 0 .75rem; color: var(--ink); font-size: clamp(2rem, 4vw, 4rem); letter-spacing: -.08em; line-height: 1; }
.section-link { margin-bottom: .9rem; color: var(--blue-dark); font-size: .82rem; font-weight: 800; text-decoration: none; }
.section-link:hover { color: var(--blue); text-decoration: underline; text-underline-offset: .3em; }
.book-card-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1rem; }
.book-card { position: relative; display: flex; flex-direction: column; min-height: 20rem; padding: 1.25rem; overflow: hidden; text-decoration: none; transition: transform .25s ease, box-shadow .25s ease; }
.book-card:hover { transform: translateY(-.35rem); box-shadow: var(--shadow); }
.book-card-title { margin-top: 2rem; font-size: clamp(1.35rem, 2.6vw, 2.2rem); font-weight: 900; letter-spacing: -.08em; line-height: 1.05; }
.book-card-meta { margin-top: auto; font-size: .82rem; font-weight: 700; }
.activity-list { margin: 0; padding: 0; border-top: 2px solid var(--ink); list-style: none; }
.activity-list li { display: grid; grid-template-columns: 8.5rem minmax(0, 1fr); gap: 1.5rem; align-items: baseline; padding: 1rem 0; border-bottom: 1px solid var(--line-soft); }
.activity-list time { color: var(--blue); font-size: .8rem; font-weight: 800; }
.activity-list a { display: flex; justify-content: space-between; gap: 1rem; color: var(--ink); font-size: 1.05rem; font-weight: 800; letter-spacing: -.03em; text-decoration: none; }
.activity-list a span { color: #666a72; font-size: .78rem; font-weight: 600; white-space: nowrap; }
.activity-list a:hover { color: var(--blue); }
.home-contact { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; padding: clamp(2rem, 5vw, 4rem); background: var(--ink); color: #fff; }
.home-contact h2 { margin: .25rem 0 0; color: #fff; border-top: 0; font-size: clamp(2.2rem, 5vw, 5rem); letter-spacing: -.09em; line-height: .98; }
.home-contact .eyebrow { color: #97b3ff; }
.home-contact p { max-width: 38rem; color: #c4c7ce; font-size: 1.05rem; line-height: 1.75; }
.home-contact .text-link { color: #b9cbff; }
.site-footer { max-width: 90rem; margin: 4rem auto 0; padding: 1.2rem 0 0; border-top: 1px solid var(--line); color: #666a72; font-size: .8rem; }
.site-footer a { color: inherit; }
@media (max-width: 980px) {
  .site-header { grid-template-columns: 1fr auto; }
  .site-nav { grid-column: 1 / -1; grid-row: 3; justify-self: start; }
  .hero { grid-template-columns: 1fr 1fr; gap: 1.5rem; }
  .hero h1 { font-size: clamp(2.4rem, 6vw, 4.6rem); }
  .book-card-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  body { padding: 0 1rem 2rem; }
  .site-header { gap: .75rem; padding-top: 1rem; }
  .site-brand { font-size: 1.2rem; }
  .site-nav ul { justify-content: flex-start; gap: .45rem .8rem; }
  .site-nav a { font-size: .76rem; }
  .hero { display: flex; flex-direction: column; align-items: stretch; min-height: 0; padding: 3.5rem 0 2.5rem; }
  .hero-copy { order: 1; }
  .hero h1 { max-width: 12ch; font-size: clamp(2.8rem, 14vw, 4.3rem); }
  .hero-actions .cta { flex: 1 1 auto; }
  .section-heading { align-items: start; flex-direction: column; gap: .3rem; }
  .section-heading h2 { margin-bottom: .5rem; }
  .section-link { margin-bottom: 1rem; }
  .book-card-grid { grid-template-columns: 1fr 1fr; }
  .book-card { min-height: 14rem; padding: .8rem; }
  .book-card-title { margin-top: 1.2rem; font-size: 1.35rem; }
  .activity-list li { grid-template-columns: 1fr; gap: .25rem; }
  .activity-list a { flex-direction: column; gap: .2rem; }
  .home-contact { grid-template-columns: 1fr; padding: 1.5rem; }
  .home-contact h2 { font-size: 3.2rem; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .book-card { transition: none; }
}
/* Editorial refinement v2 */
body { background: #f2eee8; color: #111216; }
.site-header { max-width: 84rem; grid-template-columns: auto 1fr auto; padding: 1rem 0 .9rem; border-color: rgba(17,18,22,.28); }
.site-brand,
.site-identity { font-size: 1.05rem; letter-spacing: -.045em; }
.site-brand span + span { font-size: .65em; }
.site-nav ul { gap: .25rem clamp(.8rem, 2vw, 1.5rem); }
.site-nav a { font-size: .72rem; letter-spacing: .03em; }
main { max-width: 84rem; }
.hero { min-height: 0; gap: clamp(2.5rem, 7vw, 8rem); padding: clamp(3.4rem, 8vw, 7.5rem) clamp(0rem, 2vw, 2.5rem) clamp(3rem, 6vw, 5rem); }
.hero-copy { padding-left: clamp(0rem, 1vw, 1rem); }
.hero .eyebrow { color: #626468; letter-spacing: .18em; font-size: .65rem; }
.hero h1 { max-width: 12ch; font-family: Georgia, "Noto Serif KR", serif; font-size: clamp(2.8rem, 6vw, 6.5rem); font-weight: 600; letter-spacing: -.095em; line-height: .98; }
.hero h1 em { color: #1648d4; }
.hero-role { margin-top: 1.8rem; font-size: .9rem; letter-spacing: .02em; }
.hero-intro { max-width: 31rem; color: #676461; font-size: .92rem; line-height: 1.85; }
.hero-keywords { gap: .35rem; margin: 1.25rem 0 1.6rem; }
.hero-keywords a { padding: .32rem .6rem; border-color: #b9b4ae; border-radius: 2px; color: #42454b; font-size: .69rem; letter-spacing: .02em; }
.hero-keywords a:hover { border-color: #1648d4; background: #1648d4; }
.cta { min-height: 2.55rem; padding: .6rem .85rem; font-size: .72rem; letter-spacing: .03em; }
section:not(.hero) { margin: clamp(4rem, 9vw, 8rem) 0; }
.section-heading { margin-bottom: 1.2rem; border-color: rgba(17,18,22,.28); }
.section-heading h2 { font-family: Georgia, "Noto Serif KR", serif; font-size: clamp(2rem, 4vw, 3.8rem); font-weight: 500; letter-spacing: -.08em; }
.section-link { font-size: .7rem; letter-spacing: .03em; }
.book-card-grid { grid-template-columns: repeat(4, minmax(0,1fr)); gap: .75rem; }
.book-card { min-height: 23rem; border: 1px solid rgba(17,18,22,.18); background: #e6e1db; color: #15161a; box-shadow: none; }
.book-card:hover { transform: translateY(-.22rem); box-shadow: 0 16px 30px rgba(17,18,22,.11); }
.book-card-media { display: block; height: 13.5rem; margin: -.3rem -.3rem 0; overflow: hidden; background: #d8d3cd; }
.book-card-media img { display: block; width: 100%; height: 100%; object-fit: cover; object-position: center; }
.book-card-body { display: flex; flex-direction: column; height: 100%; padding-top: 1.1rem; }
.book-card-image .book-card-body { height: auto; padding-top: 1rem; }
.book-card-year { color: #626468; font-size: .63rem; letter-spacing: .08em; text-transform: none; }
.book-card-title { margin-top: .7rem; font-family: Georgia, "Noto Serif KR", serif; font-size: 1.7rem; font-weight: 500; letter-spacing: -.09em; line-height: .98; }
.book-card-meta { margin-top: auto; color: #676461; font-size: .7rem; font-weight: 600; }
.book-card-note { margin-top: .75rem; color: #1648d4; font-size: .62rem; letter-spacing: .13em; text-transform: uppercase; }
.book-card-text { background: linear-gradient(140deg,#f0ece7 0%,#dad3ca 100%); }
.book-card-text::before { position: absolute; right: -1.6rem; bottom: -1.6rem; width: 7.5rem; height: 7.5rem; border: 1px solid rgba(22,72,212,.38); border-radius: 50%; content: ""; }
.book-card-text-dark { background: #17181b; color: #f2eee8; }
.book-card-text-dark .book-card-year,
.book-card-text-dark .book-card-meta { color: #a9bdf7; }
.book-card-text-dark::before { border-color: rgba(169,189,247,.5); }
.activity-list { border-color: rgba(17,18,22,.55); }
.activity-list li { padding: 1.05rem 0; border-color: rgba(17,18,22,.16); }
.activity-list time { color: #686460; font-size: .68rem; letter-spacing: .06em; }
.activity-list a { font-family: Georgia, "Noto Serif KR", serif; font-size: 1rem; font-weight: 500; letter-spacing: -.04em; }
.activity-list a span { color: #68645f; font-family: "Noto Sans KR", Arial, sans-serif; font-size: .67rem; }
.home-contact { padding: clamp(2rem, 4vw, 3.5rem); background: #1b1c20; }
.home-contact h2 { font-family: Georgia, "Noto Serif KR", serif; font-size: clamp(2.3rem, 5vw, 4.7rem); font-weight: 500; }
.home-contact p { color: #b9b7b4; font-size: .9rem; }
.site-footer { max-width: 84rem; margin-top: 3rem; border-color: rgba(17,18,22,.28); font-size: .7rem; }
@media (max-width: 980px) {
  .hero { gap: 2rem; }
  .book-card-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
}
@media (max-width: 640px) {
  .site-header { grid-template-columns: 1fr; }
  .site-nav { grid-column: 1; }
  .site-nav ul { gap: .4rem .7rem; }
  .hero { padding-top: 3rem; }
  .hero h1 { font-size: clamp(2.8rem, 14vw, 4.4rem); }
  .book-card-grid { grid-template-columns: 1fr 1fr; }
  .book-card { min-height: 17rem; }
  .book-card-media { height: 9rem; }
  .book-card-title { font-size: 1.3rem; }
  .book-card-meta { font-size: .64rem; }
  .home-contact { padding: 1.35rem; }
}
/* 2026 spacing + detail type scale refinement */
.hero {
  gap: clamp(1.5rem, 4vw, 4rem);
  padding-top: clamp(1.75rem, 4vw, 3.75rem);}
@media (max-width: 640px) {
  .hero { padding-top: 1.75rem; }
}
/* Keep internal menu pages compact and editorially readable. */
body:not(.home-page) {
  font-size: .95rem;
  line-height: 1.62;}
body:not(.home-page) main {
  max-width: 76rem;}
body:not(.home-page) h1 {
  max-width: none;
  margin-bottom: 1rem;
  font-size: clamp(2rem, 4.2vw, 3.25rem);
  letter-spacing: -.065em;}
body:not(.home-page) h2 {
  margin-bottom: 1.25rem;
  font-size: clamp(1.25rem, 2.25vw, 1.7rem);
  letter-spacing: -.045em;}
body:not(.home-page) h3 {
  font-size: 1rem;}
body:not(.home-page) .lead {
  max-width: 62ch;
  font-size: 1rem;
  line-height: 1.72;}
body:not(.home-page) section {
  margin-top: 3rem;
  margin-bottom: 3rem;}
body:not(.home-page) .record-title,
body:not(.home-page) .book-title,
body:not(.home-page) .publication-title {
  font-size: .98rem;
  line-height: 1.52;}
body:not(.home-page) .record-meta,
body:not(.home-page) .publication-meta,
body:not(.home-page) .meta {
  font-size: 1.02rem;}
/* Academic presentations section layout & KAIST feature photo */
body:not(.home-page) .academic-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(18rem, .75fr);
  align-items: start;
  gap: clamp(1rem, 2.8vw, 2.25rem);}
body:not(.home-page) .academic-photo {
  align-self: start;
  position: sticky;
  top: 2rem;
  margin: 0;
  padding: .5rem .5rem .75rem;
  border-top: 2px solid #1648d4;
  border: 1px solid rgba(17, 18, 22, .16);
  border-top: 2px solid #1648d4;
  background: rgba(255, 253, 250, .85);
  box-shadow: 0 4px 12px rgba(0, 0, 0, .04);}
body:not(.home-page) .academic-photo img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;
  border-radius: 2px;}
body:not(.home-page) .academic-photo figcaption {
  margin: .6rem .1rem 0;
  color: var(--muted, #6b6862);
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .02em;
  line-height: 1.4;}
@media (max-width: 760px) {
  body:not(.home-page) .academic-layout {
    grid-template-columns: minmax(0, 1fr);
  }
  body:not(.home-page) .academic-photo {
    position: static;
    max-width: 100%;
  }
}
body:not(.home-page) .talk-card {
  padding: 1.15rem;}
body:not(.home-page) .page-subnav {
  margin-top: 1.5rem;
  margin-bottom: 2.5rem;}
@media (max-width: 720px) {
  body:not(.home-page) h1 { font-size: clamp(1.85rem, 9vw, 2.6rem); }
  body:not(.home-page) h2 { font-size: 1.3rem; }
}
/* 2026 hero flush alignment refinement */
.hero {
  align-items: start;
  gap: clamp(1rem, 2.5vw, 2.25rem);
  padding-top: .5rem;}
@media (max-width: 980px) {
  .hero { gap: 1rem; }
}
@media (max-width: 640px) {
  .hero {
    align-items: stretch;
    gap: 1.25rem;
    padding-top: .5rem;
  }
}
/* 2026 homepage compact rhythm refinement */
.home-page .hero {
  padding-bottom: .75rem;}
.home-page section:not(.hero) {
  margin: 1.5rem 0;}
.home-page .section-heading {
  margin-bottom: .7rem;}
.home-page .section-heading h2 {
  margin-top: .1rem;
  margin-bottom: .4rem;}
.home-page .book-card-grid {
  gap: .55rem;}
.home-page .activity-list li {
  padding-top: .75rem;
  padding-bottom: .75rem;}
.home-page .home-contact {
  margin-top: 2rem;
  padding: 1.75rem;}
.home-page .site-footer {
  margin-top: 1.5rem;
  padding-top: .85rem;}
@media (max-width: 640px) {
  .home-page section:not(.hero) {
    margin: 1.25rem 0;
  }
  .home-page .home-contact {
    margin-top: 1.5rem;
    padding: 1.25rem;
  }
}
/* 2026 internal pages compact rhythm refinement */
body:not(.home-page) {
  font-size: .92rem;
  line-height: 1.58;}
body:not(.home-page) h1 {
  margin-bottom: .7rem;
  font-size: clamp(1.65rem, 3.2vw, 2.6rem);
  line-height: 1.12;}
body:not(.home-page) h2 {
  margin-bottom: .8rem;
  padding-top: .45rem;
  font-size: clamp(1.15rem, 1.8vw, 1.45rem);
  line-height: 1.2;}
body:not(.home-page) h3 {
  font-size: .95rem;
  line-height: 1.35;}
body:not(.home-page) .lead {
  margin-bottom: 1.25rem;
  font-size: .92rem;
  line-height: 1.65;}
body:not(.home-page) section {
  margin-top: 1.4rem;
  margin-bottom: 1.4rem;}
body:not(.home-page) .page-subnav {
  margin-top: .75rem;
  margin-bottom: 1.25rem;
  padding: .65rem .85rem;}
body:not(.home-page) .page-subnav a {
  font-size: .8rem;}
body:not(.home-page) .record,
body:not(.home-page) .book-item,
body:not(.home-page) .publication-item {
  gap: .35rem 1rem;
  padding: .65rem 0;}
body:not(.home-page) .record-date {
  font-size: .76rem;}
body:not(.home-page) .record-title,
body:not(.home-page) .book-title,
body:not(.home-page) .publication-title {
  font-size: .9rem;
  line-height: 1.48;}
body:not(.home-page) .book-note {
  font-size: .78rem;}
body:not(.home-page) .talk-grid {
  gap: .75rem;}
body:not(.home-page) .talk-card {
  gap: .3rem;
  padding: .8rem;}
body:not(.home-page) .site-footer {
  margin-top: 1.5rem;
  padding-top: .85rem;}
@media (max-width: 720px) {
  body:not(.home-page) h1 { font-size: clamp(1.55rem, 8vw, 2.15rem); }
  body:not(.home-page) section { margin: 1.1rem 0; }
  body:not(.home-page) .record,
  body:not(.home-page) .book-item,
  body:not(.home-page) .publication-item {
    grid-template-columns: 4.5rem minmax(0, 1fr);
    gap: .25rem .65rem;
    padding: .55rem 0;
  }
}
/* 2026 hero scale refinement */
.home-page .hero {
  grid-template-columns: minmax(0, 1fr) minmax(18rem, .92fr);}
.home-page .hero h1 {
  font-size: clamp(2.25rem, 4.8vw, 5.25rem);}
@media (max-width: 980px) {
  .home-page .hero {
    grid-template-columns: minmax(0, 1fr) minmax(16rem, .92fr);
  }
}
@media (max-width: 640px) {
  .home-page .hero {
    display: flex;
  }
  .home-page .hero h1 {
    font-size: clamp(2.3rem, 12vw, 3.8rem);
  }
}
/* 2026 internal pages density pass */
body:not(.home-page) {
  font-size: .88rem;
  line-height: 1.5;}
body:not(.home-page) main > .eyebrow {
  margin-bottom: .3rem;}
body:not(.home-page) h1 {
  margin-bottom: .5rem;
  font-size: clamp(1.45rem, 2.8vw, 2.25rem);
  line-height: 1.1;}
body:not(.home-page) h2 {
  margin-bottom: .55rem;
  padding-top: .3rem;
  font-size: clamp(1.05rem, 1.5vw, 1.3rem);
  line-height: 1.15;}
body:not(.home-page) h3 {
  font-size: .9rem;
  line-height: 1.3;}
body:not(.home-page) p {
  margin-bottom: .45rem;}
body:not(.home-page) .lead {
  margin-bottom: .9rem;
  font-size: .88rem;
  line-height: 1.55;}
body:not(.home-page) section {
  margin-top: .8rem;
  margin-bottom: .8rem;}
body:not(.home-page) .page-subnav {
  margin-top: .45rem;
  margin-bottom: .8rem;
  padding: .45rem .65rem;}
body:not(.home-page) .page-subnav ul {
  gap: .2rem .7rem;}
body:not(.home-page) .page-subnav a {
  font-size: .74rem;}
body:not(.home-page) .record,
body:not(.home-page) .book-item,
body:not(.home-page) .publication-item {
  gap: .2rem .8rem;
  padding: .42rem 0;}
body:not(.home-page) .record-date {
  font-size: .7rem;
  line-height: 1.35;}
body:not(.home-page) .record-title,
body:not(.home-page) .book-title,
body:not(.home-page) .publication-title {
  font-size: .84rem;
  line-height: 1.42;}
body:not(.home-page) .book-note {
  margin-top: .12rem;
  font-size: .72rem;}
body:not(.home-page) .talk-grid {
  gap: .55rem;}
body:not(.home-page) .talk-card {
  gap: .2rem;
  padding: .6rem;}
body:not(.home-page) .meta,
body:not(.home-page) .record-meta,
body:not(.home-page) .publication-meta {
  font-size: .72rem;}
body:not(.home-page) .site-footer {
  margin-top: .9rem;
  padding-top: .6rem;}
@media (max-width: 720px) {
  body:not(.home-page) h1 {
    font-size: clamp(1.35rem, 7vw, 1.9rem);
  }
  body:not(.home-page) section {
    margin: .65rem 0;
  }
  body:not(.home-page) .record,
  body:not(.home-page) .book-item,
  body:not(.home-page) .publication-item {
    padding: .36rem 0;
  }
}
/* 2026 internal pages editorial system */
body:not(.home-page) {
  background: #f2eee8;
  color: #17181b;
  font-size: .86rem;}
body:not(.home-page) main {
  max-width: 84rem;
  padding-top: .5rem;}
body:not(.home-page) .eyebrow {
  color: #1648d4;
  font-size: .6rem;
  letter-spacing: .16em;}
body:not(.home-page) h1 {
  max-width: none;
  margin: .2rem 0 .75rem;
  padding-left: .7rem;
  border-left: 3px solid #1648d4;
  color: #17181b;
  font-family: Georgia, "Noto Serif KR", serif;
  font-size: clamp(1.5rem, 3vw, 2.35rem);
  font-weight: 500;
  letter-spacing: -.07em;}
body:not(.home-page) h2 {
  display: flex;
  align-items: center;
  gap: .65rem;
  margin: 0 0 .6rem;
  padding: 0;
  border: 0;
  color: #17181b;
  font-family: Georgia, "Noto Serif KR", serif;
  font-size: clamp(1rem, 1.5vw, 1.25rem);
  font-weight: 500;
  letter-spacing: -.05em;}
body:not(.home-page) h2::after {
  flex: 1;
  height: 1px;
  background: rgba(17,18,22,.2);
  content: "";}
body:not(.home-page) h2 .section-note {
  flex: 0 0 auto;
  margin-left: -.35rem;
  color: #686663;
  font-family: "Noto Sans KR", Arial, sans-serif;
  font-size: .58rem;
  font-weight: 400;
  letter-spacing: .01em;}
body:not(.home-page) section {
  margin: .85rem 0;
  padding-top: .75rem;
  border-top: 1px solid rgba(17,18,22,.18);}
body:not(.home-page) section:first-of-type {
  padding-top: .55rem;}
body:not(.home-page) .lead {
  max-width: 68ch;
  color: #686663;
  font-size: .86rem;
  line-height: 1.58;}
body:not(.home-page) .page-subnav {
  display: flex;
  align-items: center;
  margin: .45rem 0 .85rem;
  padding: .45rem .65rem;
  border: 1px solid rgba(17,18,22,.18);
  border-left: 3px solid #1648d4;
  background: rgba(255,253,250,.58);}
body:not(.home-page) .page-subnav ul {
  gap: .2rem .55rem;}
body:not(.home-page) .page-subnav a {
  color: #44474e;
  font-size: .7rem;
  font-weight: 700;
  text-decoration: none;}
body:not(.home-page) .page-subnav a:hover,
body:not(.home-page) .page-subnav a[aria-current="page"] {
  color: #1648d4;}
body:not(.home-page) .record-list,
body:not(.home-page) .book-list,
body:not(.home-page) .publication-list {
  border: 1px solid rgba(17,18,22,.16);
  border-top: 2px solid #1648d4;
  background: rgba(255,253,250,.34);
  padding: 0 .8rem;}
body:not(.home-page) .record,
body:not(.home-page) .book-item,
body:not(.home-page) .publication-item {
  border-color: rgba(17,18,22,.12);
  padding: .4rem 0;}
body:not(.home-page) .record:hover,
body:not(.home-page) .book-item:hover,
body:not(.home-page) .publication-item:hover {
  background: rgba(22,72,212,.045);}
body:not(.home-page) .record-title,
body:not(.home-page) .book-title,
body:not(.home-page) .publication-title {
  color: #282a2f;
  font-size: .8rem;
  font-weight: 500;
  line-height: 1.42;}
body:not(.home-page) .record-date,
body:not(.home-page) .record-meta,
body:not(.home-page) .publication-meta,
body:not(.home-page) .meta {
  color: #686460;
  font-size: .68rem;}
body:not(.home-page) .book-note {
  color: #1648d4;
  font-size: .68rem;}
body:not(.home-page) .talk-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: .55rem;}
body:not(.home-page) .talk-card {
  gap: .2rem;
  padding: .65rem;
  border: 1px solid rgba(17,18,22,.16);
  border-top: 2px solid #1648d4;
  border-radius: 0;
  background: rgba(255,253,250,.58);}
body:not(.home-page) .talk-card h3 {
  color: #292b31;
  font-size: .78rem;
  font-weight: 700;}
body:not(.home-page) .site-footer {
  margin-top: 1rem;
  border-color: rgba(17,18,22,.24);
  font-size: .66rem;}
@media (max-width: 980px) {
  body:not(.home-page) .talk-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (max-width: 720px) {
  body:not(.home-page) main {
    padding-top: .25rem;
  }
  body:not(.home-page) h1 {
    font-size: clamp(1.4rem, 7vw, 2rem);
  }
  body:not(.home-page) section {
    margin: .6rem 0;
    padding-top: .55rem;
  }
  body:not(.home-page) .record-list,
  body:not(.home-page) .book-list,
  body:not(.home-page) .publication-list {
    padding: 0 .55rem;
  }
  body:not(.home-page) .talk-grid {
    grid-template-columns: 1fr;
  }
}
/* Hero statement cursor */
.home-page .hero h1 em::after {
  display: inline-block;
  width: .07em;
  height: .82em;
  margin-left: .14em;
  background: #1648d4;
  vertical-align: -.06em;
  content: "";
  animation: hero-cursor-blink 1s steps(1, end) infinite;}
@keyframes hero-cursor-blink {
  0%, 48% { opacity: 1; }
  49%, 100% { opacity: 0; }}
/* 2026 stacked header identity */
.home-page .site-brand.site-identity-stack {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: .08rem;
  font-size: 1rem;
  line-height: 1.1;}
.home-page .site-brand.site-identity-stack > .identity-role {
  color: #666462;
  font-family: "Noto Sans KR", Arial, sans-serif;
  font-size: .58rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;}
.home-page .site-brand.site-identity-stack > .identity-name {
  display: inline-flex;
  align-items: baseline;
  gap: .42rem;
  color: #17181b;
  font-family: Georgia, "Noto Serif KR", serif;
  font-size: 1.08rem;
  font-weight: 600;
  letter-spacing: -.055em;}
.home-page .site-brand.site-identity-stack > .identity-name span {
  padding: 0;
  border: 0;
  color: inherit;
  font-size: inherit;
  letter-spacing: inherit;}
.home-page .site-brand.site-identity-stack > .identity-name span[aria-hidden="true"] {
  color: #686460;
  font-family: "Noto Sans KR", Arial, sans-serif;
  font-weight: 400;}
@media (max-width: 640px) {
  .home-page .site-brand.site-identity-stack > .identity-name {
    font-size: 1rem;
  }
}
/* Ensure the hero cursor remains visibly animated. */
.home-page .hero h1 em::after {
  animation: hero-cursor-blink .85s steps(1, end) infinite !important;
  animation-play-state: running !important;}
/* Hero title first-line fit */
.home-page .hero h1 {
  max-width: none;
  font-size: clamp(2.1rem, 3.7vw, 4.35rem);}
.home-page .hero-title-line {
  white-space: nowrap;}
@media (max-width: 980px) {
  .home-page .hero h1 {
    font-size: clamp(1.95rem, 4.1vw, 3.65rem);
  }
}
@media (max-width: 640px) {
  .home-page .hero h1 {
    max-width: 12ch;
    font-size: clamp(2rem, 10vw, 3.35rem);
  }
  .home-page .hero-title-line {
    white-space: normal;
  }
}
/* 2026 reference-style full-bleed hero */
.home-page .hero {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  min-height: clamp(34rem, 52vw, 41rem);
  padding: 0;
  overflow: hidden;
  background: #f2eee8;}
.home-page .hero::before {
  position: absolute;
  z-index: 1;
  inset: 0 auto 0 0;
  width: 58%;
  background: linear-gradient(90deg, rgba(242,238,232,.98) 0%, rgba(242,238,232,.94) 58%, rgba(242,238,232,0) 100%);
  content: "";
  pointer-events: none;}
.home-page .hero-copy {
  z-index: 2;
  align-self: center;
  width: min(48%, 40rem);
  max-width: none;
  padding: clamp(2rem, 5vw, 4rem) 0;}
@media (max-width: 980px) {
  .home-page .hero {
    min-height: 35rem;
  }
  .home-page .hero-copy {
    width: min(56%, 35rem);
  }
}
@media (max-width: 640px) {
  .home-page .hero {
    min-height: 38rem;
  }
  .home-page .hero::before {
    width: 100%;
    background: linear-gradient(180deg, rgba(242,238,232,.98) 0%, rgba(242,238,232,.88) 46%, rgba(242,238,232,.08) 82%);
  }
  .home-page .hero-copy {
    align-self: start;
    width: 100%;
    padding: 2rem 0 8rem;
  }
}
/* Keep the homepage header system on every menu page. */
body:not(.home-page) .site-brand.site-identity-stack {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: .08rem;
  font-size: 1rem;
  line-height: 1.1;}
body:not(.home-page) .site-brand.site-identity-stack > .identity-role {
  color: #666462;
  font-family: "Noto Sans KR", Arial, sans-serif;
  font-size: .58rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;}
body:not(.home-page) .site-brand.site-identity-stack > .identity-name {
  display: inline-flex;
  align-items: baseline;
  gap: .42rem;
  color: #17181b;
  font-family: Georgia, "Noto Serif KR", serif;
  font-size: 1.08rem;
  font-weight: 600;
  letter-spacing: -.055em;}
body:not(.home-page) .site-brand.site-identity-stack > .identity-name span {
  padding: 0;
  border: 0;
  color: inherit;
  font-size: inherit;
  letter-spacing: inherit;}
body:not(.home-page) .site-brand.site-identity-stack > .identity-name span[aria-hidden="true"] {
  color: #686460;
  font-family: "Noto Sans KR", Arial, sans-serif;
  font-weight: 400;}
body:not(.home-page) .record-title,
body:not(.home-page) .book-title,
body:not(.home-page) .publication-title {
  font-size: .78rem;}
body:not(.home-page) .lead {
  font-size: .82rem;}
@media (max-width: 640px) {
  body:not(.home-page) .site-brand.site-identity-stack > .identity-name {
    font-size: 1rem;
  }
}
/* 2026 unified header lock */
.site-header {
  max-width: 84rem;
  margin: 0 auto;
  grid-template-columns: auto 1fr auto;
  gap: 1.25rem;
  padding: 1rem 0 .9rem;
  border-bottom: 1px solid rgba(17,18,22,.28);}
.site-header .site-brand.site-identity-stack {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: .08rem;
  margin: 0;
  font-size: 1rem !important;
  line-height: 1.1;}
.site-header .site-brand.site-identity-stack > .identity-role {
  color: #666462;
  font-family: "Noto Sans KR", Arial, sans-serif;
  font-size: .58rem !important;
  font-weight: 700;
  letter-spacing: .1em;
  line-height: 1.1;
  text-transform: uppercase;}
.site-header .site-brand.site-identity-stack > .identity-name {
  display: inline-flex;
  align-items: baseline;
  gap: .42rem;
  color: #17181b;
  font-family: Georgia, "Noto Serif KR", serif;
  font-size: 1.08rem !important;
  font-weight: 600;
  letter-spacing: -.055em;
  line-height: 1.1;}
.site-header .site-brand.site-identity-stack > .identity-name span {
  padding: 0;
  border: 0;
  color: inherit;
  font-size: inherit !important;
  letter-spacing: inherit;}
.site-header .site-brand.site-identity-stack > .identity-name span[aria-hidden="true"] {
  color: #686460;
  font-family: "Noto Sans KR", Arial, sans-serif;
  font-weight: 400;}
.site-header .site-nav {
  justify-self: end;
  margin: 0;}
.site-header .site-nav ul {
  gap: .25rem clamp(.8rem, 2vw, 1.5rem);
  margin: 0;}
.site-header .site-nav a {
  color: #17181b;
  font-size: .72rem !important;
  font-weight: 800;
  line-height: 1.35;}
@media (max-width: 980px) {
  .site-header {
    grid-template-columns: auto 1fr auto;
  }
}
@media (max-width: 640px) {
  .site-header {
    grid-template-columns: 1fr;
    gap: .75rem;
  }
  .site-header .site-nav {
    grid-column: 1;
    justify-self: start;
  }
  .site-header .site-nav ul {
    gap: .4rem .7rem;
  }
  .site-header .site-brand.site-identity-stack > .identity-name {
    font-size: 1rem !important;
  }
}
/* Book cover links */
body:not(.home-page) .book-item {
  grid-template-columns: minmax(5rem, 8rem) minmax(0, 1fr);
  align-items: start;}
body:not(.home-page) .book-item::before {
  display: none;
  content: none;}
body:not(.home-page) .book-item > .book-body:first-child {
  grid-column: 1 / -1;}
body:not(.home-page) .book-cover {
  display: block;
  width: min(100%, 8rem);
  aspect-ratio: 2 / 3;
  overflow: hidden;
  background: #ebe6dc;}
body:not(.home-page) .book-cover img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;}
body:not(.home-page) .book-cover:focus-visible,
body:not(.home-page) .book-title-link:focus-visible {
  outline: 2px solid var(--accent-electric, #1648d4);
  outline-offset: 3px;}
body:not(.home-page) .book-title-link {
  color: inherit;
  text-decoration: none;}
body:not(.home-page) .book-title-link:hover,
body:not(.home-page) .book-title-link:focus-visible {
  color: var(--accent-electric, #1648d4);
  text-decoration: underline;}
@media (max-width: 640px) {
  body:not(.home-page) .book-item {
    grid-template-columns: 4.5rem minmax(0, 1fr);
  }
  body:not(.home-page) .book-cover {
    width: 4.5rem;
  }
}
/* English publication cover links */
body:not(.home-page) .publication-item--book {
  grid-template-columns: minmax(5rem, 8rem) minmax(0, 1fr);
  align-items: start;}
body:not(.home-page) .publication-item--book::before {
  display: none;
  content: none;}
body:not(.home-page) .publication-cover {
  display: block;
  width: min(100%, 8rem);
  aspect-ratio: 2 / 3;
  overflow: hidden;
  background: #ebe6dc;}
body:not(.home-page) .publication-cover img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;}
body:not(.home-page) .publication-cover:focus-visible,
body:not(.home-page) .publication-title-link:focus-visible {
  outline: 2px solid var(--accent-electric, #1648d4);
  outline-offset: 3px;}
body:not(.home-page) .publication-title-link {
  color: inherit;
  text-decoration: none;}
body:not(.home-page) .publication-title-link:hover,
body:not(.home-page) .publication-title-link:focus-visible {
  color: var(--accent-electric, #1648d4);
  text-decoration: underline;}
@media (max-width: 640px) {
  body:not(.home-page) .publication-item--book {
    grid-template-columns: 4.5rem minmax(0, 1fr);
  }
  body:not(.home-page) .publication-cover {
    width: 4.5rem;
  }
}
/* 2026 featured YouTube videos */
.featured-youtube { margin-top: 4.5rem; }
.youtube-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: .75rem; }
.youtube-card { display: flex; flex-direction: column; min-width: 0; border: 1px solid rgba(17,18,22,.18); background: #e6e1db; color: #15161a; }
.youtube-card-media { aspect-ratio: 16 / 9; background: #17181b; overflow: hidden; }
.youtube-card-media iframe { display: block; width: 100%; height: 100%; border: 0; }
.youtube-card-body { display: flex; flex-direction: column; min-height: 10.5rem; padding: 1rem; }
.youtube-card-body h3 { margin: 0; font-family: Georgia, "Noto Serif KR", serif; font-size: clamp(1rem, 1.45vw, 1.35rem); line-height: 1.2; }
.youtube-card-body p { margin: .65rem 0 1rem; color: #676461; font-size: .75rem; line-height: 1.45; }
.youtube-card-body a { margin-top: auto; color: #1648d4; font-size: .68rem; font-weight: 800; letter-spacing: .02em; text-decoration: none; }
.youtube-card-body a:hover { text-decoration: underline; }
@media (max-width: 980px) {
  .youtube-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 640px) {
  .featured-youtube { margin-top: 3rem; }
  .youtube-grid { grid-template-columns: 1fr; }
}
/* 2026 selected-book metadata */
.home-page .book-card-note {
  color: #1648d4;
  font-size: .62rem;
  letter-spacing: .02em;
  line-height: 1.45;
  text-transform: none;
  word-break: keep-all;}
/* Teaching records have no date column, so let the course descriptions use the full width. */
body:not(.home-page) .teaching-section .record {
  grid-template-columns: minmax(0, 1fr);}
/* Book introductions */
body:not(.home-page) .book-intro {
  margin: .65rem 0 0;
  color: var(--muted, #6b6862);
  font-size: .78rem;
  line-height: 1.5;}
@media (max-width: 640px) {
  body:not(.home-page) .book-intro {
    font-size: .74rem;
    line-height: 1.5;
  }
}
/* 2026 desktop header alignment */
@media (min-width: 641px) {
  .site-header { display: flex; align-items: center; justify-content: space-between; flex-wrap: nowrap; gap: 2rem; }
  .site-header .site-brand.site-identity-stack { flex: 0 0 auto; flex-direction: row; align-items: baseline; gap: .75rem; white-space: nowrap; }
  .site-header .site-nav { flex: 0 0 auto; margin-left: auto; justify-self: auto; }
  .site-header .site-nav ul { flex-wrap: nowrap; justify-content: flex-end; white-space: nowrap; }}
/* 2026 restore full book cover visibility */
.home-page .book-card-media img {
  object-fit: contain;
  object-position: center;}
/* 2026 remove header-hero gap */
@media (min-width: 641px) {
  .home-page .site-header { margin-bottom: 0; }
  .home-page .hero { margin-top: 0; padding-top: 0; }}
/* Broadcast feature media */
body:not(.home-page) .broadcast-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(15rem, .62fr);
  align-items: start;
  gap: clamp(1rem, 2.8vw, 2.25rem);}
body:not(.home-page) .broadcast-feature {
  align-self: start;
  margin: 0;
  padding: .45rem .45rem .65rem;
  border-top: 2px solid #1648d4;
  background: rgba(255, 253, 250, .72);}
body:not(.home-page) .broadcast-feature img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;}
body:not(.home-page) .broadcast-feature figcaption {
  margin: .55rem .1rem 0;
  color: var(--muted, #6b6862);
  font-size: .68rem;
  letter-spacing: .02em;
  line-height: 1.35;}
@media (max-width: 720px) {
  body:not(.home-page) .broadcast-layout {
    grid-template-columns: minmax(0, 1fr);
  }
  body:not(.home-page) .broadcast-feature {
    max-width: 32rem;
  }
}
/* University feature media */
body:not(.home-page) .university-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(15rem, .62fr);
  align-items: start;
  gap: clamp(1rem, 2.8vw, 2.25rem);}
body:not(.home-page) .university-feature {
  align-self: start;
  margin: 0;
  padding: .45rem .45rem .65rem;
  border-top: 2px solid #1648d4;
  background: rgba(255, 253, 250, .72);}
body:not(.home-page) .university-feature img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;}
body:not(.home-page) .university-feature figcaption {
  margin: .55rem .1rem 0;
  color: var(--muted, #6b6862);
  font-size: .68rem;
  letter-spacing: .02em;
  line-height: 1.35;}
@media (max-width: 720px) {
  body:not(.home-page) .university-layout {
    grid-template-columns: minmax(0, 1fr);
  }
  body:not(.home-page) .university-feature {
    max-width: 32rem;
  }
}
/* 2026 contact page */
.contact-page {
  max-width: 84rem;
  margin: 0 auto;}
.contact-page .contact-shell {
  display: grid;
  grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
  gap: clamp(2rem, 6vw, 7rem);
  align-items: start;
  padding: clamp(2rem, 5vw, 4.5rem);
  border: 1px solid rgba(17, 18, 22, .22);
  background: rgba(255, 253, 250, .48);}
.contact-page h1 {
  max-width: 8ch;
  margin: .35rem 0 1rem;
  font-family: Georgia, "Noto Serif KR", serif;
  font-size: clamp(2.8rem, 6vw, 5.8rem);
  font-weight: 500;
  letter-spacing: -.09em;
  line-height: .98;}
.contact-page h1 em { color: var(--blue); font-style: normal; }
.contact-page .contact-lead {
  max-width: 32rem;
  margin: 0;
  color: #5d5a57;
  font-size: clamp(1rem, 1.5vw, 1.18rem);
  line-height: 1.85;}
.contact-page .contact-note {
  margin-top: 2rem;
  color: #686460;
  font-size: .78rem;
  line-height: 1.7;}
.contact-page .contact-form {
  display: grid;
  gap: 1.1rem;
  padding: clamp(1.25rem, 3vw, 2rem);
  border: 1px solid rgba(17, 18, 22, .18);
  background: #fffdfa;}
.contact-page .contact-field { display: grid; gap: .45rem; }
.contact-page .contact-field label {
  color: #17181b;
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .02em;}
.contact-page .contact-field input,
.contact-page .contact-field textarea {
  width: 100%;
  box-sizing: border-box;
  border: 1px solid #bdb7b0;
  border-radius: 0;
  padding: .78rem .85rem;
  background: #fffdfa;
  color: var(--ink);
  font: inherit;
  font-size: .9rem;
  line-height: 1.55;}
.contact-page .contact-field input:focus,
.contact-page .contact-field textarea:focus {
  outline: 2px solid rgba(22, 72, 212, .28);
  outline-offset: 1px;
  border-color: var(--blue);}
.contact-page .contact-field textarea { min-height: 11rem; resize: vertical; }
.contact-page .contact-submit { justify-self: start; cursor: pointer; }
.contact-page .contact-submit[disabled] { cursor: wait; opacity: .62; }
.contact-page .contact-status {
  min-height: 1.5em;
  margin: 0;
  color: #4c5058;
  font-size: .82rem;
  line-height: 1.6;}
.contact-page .contact-status.is-success { color: #165c35; }
.contact-page .contact-status.is-error { color: #a22b2b; }
.contact-page .contact-back { margin-top: 1.25rem; }
@media (max-width: 760px) {
  .contact-page .contact-shell { grid-template-columns: 1fr; gap: 2rem; padding: 1.35rem; }
  .contact-page h1 { max-width: none; font-size: clamp(2.8rem, 15vw, 4.6rem); }
  .contact-page .contact-note { margin-top: 1.25rem; }
}
/* Header contact link */
.site-nav .nav-contact-link,
.page-subnav .nav-contact-link {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  min-height: 2rem;
  padding: .42rem .7rem;
  border: 1px solid var(--blue);
  background: var(--blue);
  color: #fff;
  font-size: .72rem;
  font-weight: 800;
  line-height: 1;
  text-decoration: none;}
.site-nav .nav-contact-link:hover,
.page-subnav .nav-contact-link:hover {
  border-color: var(--blue-dark);
  background: var(--blue-dark);
  color: #fff;}
/* Supporting note for the degree record. */
body:not(.home-page) .education-note {
  display: block;
  margin-top: .2rem;
  color: #686460;
  font-size: .78em;
  font-weight: 400;}
/* CV PDF access block */
.cv-download {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1.5rem;
  align-items: end;
  margin: 0 0 var(--space-4);
  padding: 1.1rem 1.15rem;
  border: 1px solid rgba(17, 18, 22, .16);
  border-top: 2px solid var(--cv-blue);
  background: rgba(255, 253, 250, .58);}
.cv-download h2 { margin: .1rem 0 .35rem; }
.cv-download-copy > p:not(.eyebrow):not(.meta) { margin: 0; color: #404249; }
.cv-download-copy .meta { margin-top: .55rem; }
.cv-download-actions { display: flex; flex-wrap: wrap; gap: .55rem; justify-content: flex-end; }
.cv-download-actions .cta { white-space: nowrap; }
@media (max-width: 720px) {
  .cv-download { grid-template-columns: 1fr; align-items: start; gap: .9rem; }
  .cv-download-actions { justify-content: flex-start; }
}
/* Contact contrast override */
.page-subnav .nav-contact-link,
.page-subnav .nav-contact-link:hover,
.page-subnav .nav-contact-link:focus-visible {
  color: #fff !important;
  -webkit-text-fill-color: #fff;
  text-shadow: 0 1px 2px rgba(0, 0, 0, .22);}
/* 2026 section title scale 70 */
.home-page .section-heading h2 {
  font-size: clamp(1.4rem, 2.8vw, 2.66rem);}
/* 2026 tighten YouTube subtitle-to-link spacing */
.home-page .youtube-card-body p {
  margin-bottom: 0;}
.home-page .youtube-card-body a {
  margin-top: 0;}
/* 2026 remove YouTube card bottom whitespace */
.home-page .youtube-card {
  align-self: start;}
.home-page .youtube-card-body {
  min-height: 0;}
/* Public talks feature media */
body:not(.home-page) .public-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(15rem, .62fr);
  align-items: start;
  gap: clamp(1rem, 2.8vw, 2.25rem);}
body:not(.home-page) .public-feature {
  align-self: start;
  margin: 0;
  padding: .45rem .45rem .65rem;
  border-top: 2px solid #1648d4;
  background: rgba(255, 253, 250, .72);}
body:not(.home-page) .public-feature img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;}
body:not(.home-page) .public-feature figcaption {
  margin: .55rem .1rem 0;
  color: var(--muted, #6b6862);
  font-size: .68rem;
  letter-spacing: .02em;
  line-height: 1.35;}
@media (max-width: 720px) {
  body:not(.home-page) .public-layout {
    grid-template-columns: minmax(0, 1fr);
  }
  body:not(.home-page) .public-feature {
    max-width: 32rem;
  }
}
/* Media feature media */
body:not(.home-page) .media-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(15rem, .62fr);
  align-items: start;
  gap: clamp(1rem, 2.8vw, 2.25rem);}
body:not(.home-page) .media-feature {
  align-self: start;
  margin: 0;
  padding: .45rem .45rem .65rem;
  border-top: 2px solid #1648d4;
  background: rgba(255, 253, 250, .72);}
body:not(.home-page) .media-feature img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;}
body:not(.home-page) .media-feature figcaption {
  margin: .55rem .1rem 0;
  color: var(--muted, #6b6862);
  font-size: .68rem;
  letter-spacing: .02em;
  line-height: 1.35;}
@media (max-width: 720px) {
  body:not(.home-page) .media-layout {
    grid-template-columns: minmax(0, 1fr);
  }
  body:not(.home-page) .media-feature {
    max-width: 32rem;
  }
}
/* Career section feature media */
body:not(.home-page) .career-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(15rem, .62fr);
  align-items: start;
  gap: clamp(1rem, 2.8vw, 2.25rem);}
body:not(.home-page) .career-feature {
  align-self: start;
  margin: 0;
  padding: .45rem .45rem .65rem;
  border-top: 2px solid #1648d4;
  background: rgba(255, 253, 250, .72);}
body:not(.home-page) .career-feature img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;}
body:not(.home-page) .career-feature figcaption {
  margin: .55rem .1rem 0;
  color: var(--muted, #6b6862);
  font-size: .68rem;
  letter-spacing: .02em;
  line-height: 1.35;}
@media (max-width: 720px) {
  body:not(.home-page) .career-layout {
    grid-template-columns: minmax(0, 1fr);
  }
  body:not(.home-page) .career-feature {
    max-width: 32rem;
  }
}
/* Papers section feature media */
body:not(.home-page) .papers-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(15rem, .62fr);
  align-items: start;
  gap: clamp(1rem, 2.8vw, 2.25rem);}
body:not(.home-page) .papers-feature {
  align-self: start;
  margin: 0;
  padding: .45rem .45rem .65rem;
  border-top: 2px solid #1648d4;
  background: rgba(255, 253, 250, .72);}
body:not(.home-page) .papers-feature img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;}
body:not(.home-page) .papers-feature figcaption {
  margin: .55rem .1rem 0;
  color: var(--muted, #6b6862);
  font-size: .68rem;
  letter-spacing: .02em;
  line-height: 1.35;}
@media (max-width: 720px) {
  body:not(.home-page) .papers-layout {
    grid-template-columns: minmax(0, 1fr);
  }
  body:not(.home-page) .papers-feature {
    max-width: 32rem;
  }
}
/* Public talks explicit two-column placement */
@media (min-width: 721px) {
  body:not(.home-page) .public-layout > .record-list {
    grid-column: 1;
    grid-row: 1;
  }

  body:not(.home-page) .public-layout > .public-feature {
    grid-column: 2;
    grid-row: 1;
  }}
@media (max-width: 720px) {
  body:not(.home-page) .public-layout > .record-list {
    grid-column: 1;
    grid-row: 1;
  }
  body:not(.home-page) .public-layout > .public-feature {
    grid-column: 1;
    grid-row: 2;
  }
}
/* Enlarged contact metadata for the profile page. */
body:not(.home-page) .meta {
  font-size: 1.02rem;}
/* Speaking topics section (home). Replaces the former research-areas block.
   .area-grid rules are kept because en.html still uses them. */
.speaking-topics .section-aside { display: flex; flex-direction: column; align-items: flex-end; gap: .15rem; margin-bottom: .8rem; text-align: right; }
.speaking-topics .section-stat { margin: 0; color: #686460; font-size: .68rem; font-weight: 700; letter-spacing: .04em; }
.speaking-topics .section-aside .section-link { margin-bottom: 0; }
.topic-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid rgba(17, 18, 22, .27); border-left: 1px solid rgba(17, 18, 22, .27); }
.topic-grid a { display: flex; flex-direction: column; min-height: 13.5rem; padding: 1.15rem 1.25rem; border-right: 1px solid rgba(17, 18, 22, .27); border-bottom: 1px solid rgba(17, 18, 22, .27); color: var(--ink); text-decoration: none; }
.topic-grid a:hover { background: #1648d4; color: #fff; }
.topic-num { color: #686460; font-size: .65rem; font-weight: 900; letter-spacing: .12em; }
.topic-grid a:hover .topic-num { color: #b9cbff; }
.topic-title { margin-top: auto; font-family: Georgia, "Noto Serif KR", serif; font-size: 1.45rem; font-weight: 500; letter-spacing: -.05em; line-height: 1.25; }
.topic-desc { margin: .5rem 0 0; color: #55524e; font-size: .76rem; line-height: 1.65; }
.topic-grid a:hover .topic-desc { color: #e2e8ff; }
.topic-meta { display: flex; flex-direction: column; gap: .25rem; margin-top: .9rem; padding-top: .7rem; border-top: 1px solid rgba(17, 18, 22, .27); }
.topic-grid a:hover .topic-meta { border-color: rgba(255, 255, 255, .32); }
.topic-meta dt { color: #686460; font-size: .6rem; font-weight: 900; letter-spacing: .14em; }
.topic-grid a:hover .topic-meta dt { color: #9db4ff; }
.topic-meta dd { margin: 0; color: #55524e; font-size: .7rem; line-height: 1.5; }
.topic-grid a:hover .topic-meta dd { color: #dfe6ff; }
@media (max-width: 640px) {
  .speaking-topics .section-aside { align-items: flex-start; margin-bottom: .7rem; text-align: left; }
  .topic-grid { grid-template-columns: 1fr; }
  .topic-grid a { min-height: 0; }
}
/* Top-nav hover submenus: show each page's section links on hover/focus */
.site-nav li.has-submenu { position: relative; }
.site-nav .nav-caret {
  display: inline-block;
  margin-left: .3em;
  font-size: .85em;
  opacity: .6;}
.site-nav .nav-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  z-index: 60;
  min-width: 10.5rem;
  margin: .35rem 0 0;
  padding: .35rem;
  list-style: none;
  background: var(--surface, #fff);
  border: 1px solid var(--rule-soft, #ddd);
  border-radius: .45rem;
  box-shadow: 0 10px 28px rgba(17, 18, 22, .16);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition: opacity .15s ease, transform .15s ease, visibility .15s;}
.site-nav li.has-submenu:hover > .nav-dropdown,
.site-nav li.has-submenu:focus-within > .nav-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);}
.site-nav .nav-dropdown li { display: block; }
.site-nav .nav-dropdown a {
  display: block;
  padding: .38rem .55rem;
  font-size: .74rem !important;
  font-weight: 600 !important;
  line-height: 1.4;
  white-space: nowrap;
  border-radius: .3rem;}
.site-nav .nav-dropdown a::after { content: none; }
.site-nav .nav-dropdown a:hover,
.site-nav .nav-dropdown a:focus-visible {
  background: var(--paper, #f4f4f2);
  color: var(--cv-blue, #2B5C8A);}
@media (max-width: 640px) {
  .site-nav .nav-dropdown {
    position: static;
    display: none;
    margin: .3rem 0 .2rem .8rem;
    padding: 0;
    background: none;
    border: none;
    box-shadow: none;
    opacity: 1;
    visibility: visible;
    transform: none;
  }
  .site-nav li.has-submenu:hover > .nav-dropdown,
  .site-nav li.has-submenu:focus-within > .nav-dropdown {
    display: block;
  }
}
/* ============================================================
   2026-08 홈 히어로: 활동 사진 모자이크
   (기존 full-bleed 히어로 규칙을 마지막에 덮어씀)
   ============================================================ */
.home-page .hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.04fr);
  align-items: center;
  gap: clamp(1.5rem, 4vw, 3.5rem);
  min-height: clamp(22rem, 36vw, 30rem);
  padding: clamp(0.7rem, 1.5vw, 1.25rem) 0 clamp(2.5rem, 5vw, 4rem);
  overflow: visible;
  background: #f2eee8;}
.home-page .hero::before { display: none; }
.home-page .hero-copy {
  z-index: 2;
  align-self: center;
  width: 100%;
  max-width: 34rem;
  padding: 0;}
.hero-mosaic {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1.02fr;
  grid-template-rows: 1fr 1fr;
  gap: clamp(.35rem, .7vw, .6rem);
  height: clamp(17rem, 30.3vw, 28rem);
  margin: 0;
  box-shadow: 13px 15px 0 rgba(22, 72, 212, .1);}
.hero-tile-a { grid-column: 1; grid-row: 1; }
.hero-tile-b { grid-column: 1; grid-row: 2; }
.hero-tile-c { grid-column: 2; grid-row: 1 / -1; }
.hero-tile {
  position: relative;
  display: block;
  min-width: 0;
  min-height: 0;
  margin: 0;
  overflow: hidden;
  background: #ded9d2;
  text-decoration: none;}
.hero-tile picture { display: block; width: 100%; height: 100%; }
.hero-tile img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.95) contrast(1.02);
  transition: transform .55s cubic-bezier(.2, .7, .3, 1), filter .35s ease;}
a.hero-tile:hover img,
a.hero-tile:focus-visible img { transform: scale(1.05); filter: saturate(1.05) contrast(1.03); }
a.hero-tile:focus-visible { outline: 2px solid #1648d4; outline-offset: 2px; }
.hero-tile-caption {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  padding: 1.9rem .6rem .5rem;
  background: linear-gradient(180deg, rgba(14, 15, 18, 0) 0%, rgba(14, 15, 18, .3) 42%, rgba(14, 15, 18, .78) 100%);
  color: #fff;
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .005em;
  line-height: 1.32;
  text-shadow: 0 1px 2px rgba(0, 0, 0, .4);}
@media (prefers-reduced-motion: reduce) {
  .hero-tile img { transition: none; }
  a.hero-tile:hover img,
  a.hero-tile:focus-visible img { transform: none; }
}
@media (max-width: 980px) {
  .home-page .hero {
    grid-template-columns: 1fr;
    gap: 2rem;
    min-height: 0;
    padding: 0.9rem 0 3rem;
  }
  .home-page .hero-copy { order: 0; max-width: none; }
  .hero-mosaic { order: 1; height: clamp(13rem, 62vw, 38rem); box-shadow: 10px 12px 0 rgba(22, 72, 212, .1); }
}
@media (max-width: 640px) {
  /* 641px 미만에서는 .home-page .site-header 의 margin-bottom:0 규칙이
     적용되지 않아 헤더 아래 여백이 24px 정도 더 붙는다. 함께 줄인다. */
    .home-page .site-header { margin-bottom: .4rem; }
  /* margin-top:0 규칙도 min-width:641px 에만 걸려 있어 여기서 다시 지정 */
    .home-page .hero { margin-top: 0; padding: 0.7rem 0 2.5rem; }
  .home-page .hero-copy { order: 0; align-self: start; width: 100%; padding: 0; }
  .hero-mosaic {
    gap: .3rem;
    box-shadow: 7px 8px 0 rgba(22, 72, 212, .1);
  }
  .hero-tile-caption { padding: 1.5rem .45rem .4rem; font-size: .6rem; }
}
/* ============================================================
   2026-08 헤더 내비 가로 오버플로 수정 (641~980px)
   min-width:641px 블록에서 .site-header 가 flex 로 바뀌므로
   max-width:980px 의 grid-column 규칙은 적용되지 않는다.
   같은 블록의 .site-nav ul { flex-wrap: nowrap } 이 줄바꿈을
   막아 8개 메뉴가 뷰포트를 넘겼다. 이 구간에서만 되돌린다.
   ============================================================ */
@media (min-width: 641px) and (max-width: 980px) {
  .site-header {
    flex-wrap: wrap;
    gap: .55rem 1.1rem;
  }
  .site-header .site-brand.site-identity-stack {
    flex: 0 1 auto;
    min-width: 0;
  }
  /* 항상 자기 줄로 내려보낸다 (한 줄에 욱여넣다 넘치는 경계 케이스 제거) */
  .site-header .site-nav {
    flex: 1 1 100%;
    min-width: 0;
    margin-left: 0;
  }
  /* 최상위 ul 만 (자식 결합자 없으면 .nav-dropdown 까지 잡힌다) */
  .site-header .site-nav > ul {
    flex-wrap: wrap;
    justify-content: flex-start;
    gap: .3rem .8rem;
  }
  /* 좌측 정렬된 메뉴에서는 드롭다운도 왼쪽 기준으로 펼친다 */
  .site-nav .nav-dropdown { right: auto; left: 0; }
  /* 줄바꿈된 둘째 줄 위로 드롭다운이 겹쳐 뜨도록 */
  .site-nav li.has-submenu { z-index: 1; }
  .site-nav li.has-submenu:hover,
  .site-nav li.has-submenu:focus-within { z-index: 61; }}
/* ------------------------------------------------------------
   기존 버그: .site-nav ul { display: flex } (styles.css:487) 이
   .nav-dropdown 에도 걸려 하위 메뉴가 세로 목록이 아니라 가로
   한 줄로 뭉개져 있었다 (라이브에서도 동일). 641px 이상에서만
   block 으로 되돌린다 — 640px 이하는 display 로 여닫으므로 제외.
   ------------------------------------------------------------ */
.site-nav .nav-dropdown { display: block; }
@media (max-width: 640px) {
  /* 640px 이하에서는 다시 display 로 여닫는다 (min-width:641 을 쓰면
     640~641 사이 소수점 폭에서 어느 쪽도 안 걸리는 1px 틈이 생긴다) */
    .site-nav .nav-dropdown { display: none; }
  .site-nav li.has-submenu:hover > .nav-dropdown,
  .site-nav li.has-submenu:focus-within > .nav-dropdown { display: block; }
}
/* EBS 타일은 사진 위쪽에 프로그램 로고·상단 띠, 아래쪽에 방송 자막이
   이미 들어차 있다. 전체 폭 캡션을 쓰면 어느 쪽에 두든 글자가 겹치므로,
   비어 있는 우측 상단에 작은 배지로 얹는다. */
.hero-tile-cap-top .hero-tile-caption {
  top: .35rem;
  right: .35rem;
  bottom: auto;
  left: auto;
  width: max-content;
  max-width: calc(100% - .7rem);
  padding: .22rem .42rem;
  border-radius: 2px;
  background: rgba(12, 14, 18, .74);
  font-size: .62rem;
  letter-spacing: .01em;}
/* ============================================================
   2026-09 모바일 목록 레이아웃: 좌측 라벨/날짜 열 접기
   720px 이하에서 목록을 1열로 접는 규칙(styles.css 상단)이
   뒤에 온 `body:not(.home-page)` 블록의
   `grid-template-columns: 4.5rem minmax(0,1fr)` 에 덮여 있었다.
   375px 기준으로 좌측 열이 72px(본문 폭의 22%)를 가져가
   서지정보가 238px 안에서 뭉개졌고, 날짜("2023.09.19.~2025.08.31")도
   72px 열을 넘쳐 흘렀다. 이 구간에서만 다시 1열로 되돌린다.
   표지 이미지를 왼쪽에 두는 .book-item / .publication-item--book 은
   각자의 640px 규칙을 그대로 쓰므로 건드리지 않는다.
   ============================================================ */
@media (max-width: 720px) {
  body:not(.home-page) .record,
  body:not(.home-page) .publication-item:not(.publication-item--book) {
    grid-template-columns: minmax(0, 1fr);
    gap: .15rem;
  }

  /* "PUB" 은 목록 전체가 같은 종류일 때만 뜻이 있는 장식 라벨이다.
     좁은 화면에서는 폭만 차지하고, 스크린리더에는 항목마다 읽힌다. */
  body:not(.home-page) .publication-item:not(.publication-item--book)::before {
    display: none;
    content: none;
  }

  body:not(.home-page) .record-date {
    margin-bottom: .1rem;
  }}
/* ============================================================
   2026-09 다크 책 카드의 주석 대비 보정
   .book-card-text-dark 가 .book-card-year / .book-card-meta 만
   밝은 색으로 덮고 .book-card-note 는 빠뜨려, 파랑 #1648d4 가
   near-black #17181b 위에 그대로 남아 대비 2.46:1 이었다.
   같은 계열 밝은 파랑(#a9bdf7)으로 맞추면 약 9.5:1 이 된다.
   ============================================================ */
.book-card-text-dark .book-card-note { color: #a9bdf7; }
/* ============================================================
   2026-09 좁은 화면 하위 메뉴 토글
   드롭다운이 :hover 전용이라 터치 기기에서는 열 수 없었다.
   assets/site-nav.js 가 상위 링크 옆에 버튼을 넣고, 640px 이하에서만
   이 버튼을 노출한다. 641px 이상은 기존 hover 동작 그대로 두고
   버튼을 숨겨 탭 순서에도 끼지 않게 한다.
   ============================================================ */
.nav-submenu-toggle { display: none; }
@media (max-width: 640px) {
  .site-nav .nav-caret { display: none; }
  .nav-submenu-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 2rem;
    min-height: 2rem;
    margin-left: .1rem;
    padding: 0;
    border: 0;
    background: none;
    color: inherit;
    font-size: .8rem;
    line-height: 1;
    cursor: pointer;
  }
  .nav-submenu-toggle > span {
    display: inline-block;
    opacity: .6;
    transition: transform .15s ease;
  }
  .site-nav li.has-submenu.is-open > .nav-submenu-toggle > span {
    transform: rotate(180deg);
    opacity: 1;
  }
  .nav-submenu-toggle:focus-visible {
    outline: 2px solid var(--accent-electric, #1648d4);
    outline-offset: 2px;
    border-radius: 2px;
  }
  /* 터치에는 hover 가 없다. 열림 여부는 .is-open 으로만 판단한다. */
    .site-nav li.has-submenu:hover > .nav-dropdown,
  .site-nav li.has-submenu:focus-within > .nav-dropdown { display: none; }
  .site-nav li.has-submenu.is-open > .nav-dropdown { display: block; }
}
/* ============================================================
   2026-09 문의 폼 보강
   - .contact-honeypot: 스팸 봇만 채우도록 화면에서 완전히 뺀다.
     display: none 은 일부 봇이 걸러내므로 위치로 밀어낸다.
   - .contact-privacy: 개인정보 수집·이용 안내
   ============================================================ */
.contact-honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;}
.contact-privacy {
  margin-top: .7rem;
  padding-top: .7rem;
  border-top: 1px solid var(--rule-soft);
  line-height: 1.6;}
.contact-privacy strong { color: var(--cv-navy); }

/* ============================================================
   2026-09 영문 페이지: 한국어 페이지로 가는 링크 표시
   en.html 의 Books·Research·Criticism·Speaking·Career 는 한국어
   페이지로 이어진다. 영어 방문자가 누르기 전에 알 수 있도록
   작은 KO 배지를 붙이고, 화면에 안 보이는 설명을 함께 둔다.
   ============================================================ */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.nav-lang {
  display: inline-block;
  margin-left: .28em;
  padding: .05em .28em;
  border: 1px solid currentColor;
  border-radius: 2px;
  opacity: .55;
  font-size: .62em;
  font-weight: 700;
  letter-spacing: .04em;
  vertical-align: .1em;
}

.site-nav a:hover .nav-lang { opacity: .85; }