/* =============================================================================
   The Funayama Notebook — Profile Redesign
   Edition: mono · Accent: default · Density: compact · Hero size: modest
   ============================================================================= */

:root {
  --bg: #FFFFFF;
  --panel: #F5F5F2;
  --ink: #0A0A0A;
  --muted: #5A5A5A;
  --rule: #0A0A0A;
  --rule-soft: rgba(10, 10, 10, 0.14);
  --accent: #0A0A0A;
  --tag-bg: rgba(10, 10, 10, 0.05);

  --serif: 'EB Garamond', 'Noto Serif JP', Georgia, serif;
  --jp: 'Noto Serif JP', serif;
  --mono: 'JetBrains Mono', ui-monospace, monospace;

  /* compact density */
  --pad-sec-y: 32px;
  --pad-sec-x: 64px;

  /* modest hero */
  --hero-fs: 56px;

  --max-w: 1200px;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
}

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--serif);
  font-feature-settings: 'liga', 'dlig', 'onum';
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

::selection {
  background: var(--ink);
  color: var(--bg);
}

a {
  color: inherit;
}

img {
  max-width: 100%;
  display: block;
}

/* =========================== TOP NAV =================================== */

.top-nav {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid var(--rule);
  padding: 16px var(--pad-sec-x);
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.top-nav__brand {
  display: flex;
  gap: 10px;
  align-items: baseline;
  text-decoration: none;
  color: var(--ink);
}

.top-nav__brand-en {
  font-family: var(--serif);
  font-style: italic;
  font-size: 26px;
  font-weight: 500;
}

.top-nav__brand-ja {
  font-family: var(--jp);
  font-size: 15px;
  color: var(--muted);
}

.top-nav__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 26px;
}

.top-nav__link {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 1.4px;
  text-transform: uppercase;
  color: var(--ink);
  text-decoration: none;
  padding: 4px 0;
  border-bottom: 1px solid transparent;
  transition: border-color 120ms ease;
}

.top-nav__link:hover {
  border-bottom-color: var(--ink);
}

.top-nav__menu-toggle {
  display: none;
  background: none;
  border: 1px solid var(--rule);
  width: 36px;
  height: 36px;
  padding: 0;
  cursor: pointer;
  position: relative;
}

.top-nav__menu-toggle span {
  position: absolute;
  left: 8px;
  right: 8px;
  height: 1px;
  background: var(--ink);
}

.top-nav__menu-toggle span:nth-child(1) { top: 12px; }
.top-nav__menu-toggle span:nth-child(2) { top: 17px; }
.top-nav__menu-toggle span:nth-child(3) { top: 22px; }

/* =========================== SECTIONS =================================== */

.section {
  padding: var(--pad-sec-y) var(--pad-sec-x);
  border-bottom: 1px solid var(--rule-soft);
  max-width: var(--max-w);
  margin: 0 auto;
  scroll-margin-top: 72px;
}

#experience,
#education,
#awards,
.hero {
  scroll-margin-top: 72px;
}

.section--panel {
  background: var(--panel);
  max-width: none;
  margin: 0;
  padding-left: calc((100vw - var(--max-w)) / 2 + var(--pad-sec-x));
  padding-right: calc((100vw - var(--max-w)) / 2 + var(--pad-sec-x));
}

@media (max-width: 1328px) {
  .section--panel {
    padding-left: var(--pad-sec-x);
    padding-right: var(--pad-sec-x);
  }
}

.section-title {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin: 0 0 20px;
}

.section-title__en {
  margin: 0;
  font-family: var(--serif);
  font-size: 36px;
  font-weight: 500;
  letter-spacing: -0.5px;
}

.section-title__ja {
  font-family: var(--jp);
  color: var(--muted);
  font-size: 19px;
}

.section-title__rule {
  flex: 1;
  height: 1px;
  background: var(--rule-soft);
  margin-left: 6px;
}

.section-sub-title {
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 500;
  font-style: italic;
  color: var(--ink);
  margin: 28px 0 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--rule-soft);
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.section-sub-title__ja {
  font-family: var(--jp);
  font-size: 14px;
  font-style: normal;
  color: var(--muted);
  font-weight: 400;
}

.section-sub-title__count {
  margin-left: auto;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 1px;
  color: var(--muted);
  font-style: normal;
  font-weight: 400;
}

/* =========================== HERO ======================================= */

.hero {
  padding: 48px var(--pad-sec-x) 40px;
  border-bottom: 1px solid var(--rule-soft);
  max-width: var(--max-w);
  margin: 0 auto;
}

.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 56px;
  align-items: start;
}

.hero__eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 1.6px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.hero__title {
  margin: 0;
  font-family: var(--serif);
  font-weight: 500;
  font-size: var(--hero-fs);
  line-height: 1;
  letter-spacing: -2px;
}

.hero__subtitle {
  font-family: var(--jp);
  font-size: 24px;
  color: var(--muted);
  margin-top: 10px;
  letter-spacing: 2px;
}

.hero__lede {
  margin: 26px 0 0;
  font-family: var(--serif);
  font-size: 24px;
  line-height: 1.55;
  max-width: 680px;
}

.hero__lede em {
  font-style: italic;
}

.hero__lede-ja {
  margin: 14px 0 0;
  font-family: var(--jp);
  font-size: 17px;
  line-height: 1.75;
  color: var(--muted);
  max-width: 680px;
}

.hero__meta {
  margin: 32px 0 0;
  display: grid;
  grid-template-columns: 140px 1fr;
  row-gap: 14px;
  column-gap: 20px;
  font-size: 17px;
}

.hero__meta dt {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 1.4px;
  text-transform: uppercase;
  color: var(--ink);
  padding-top: 8px;
  border-top: 1px solid var(--rule-soft);
}

.hero__meta dt small {
  display: block;
  font-family: var(--jp);
  font-size: 13px;
  font-weight: 500;
  color: var(--muted);
  margin-top: 3px;
  letter-spacing: 0;
  text-transform: none;
}

.hero__meta dd {
  margin: 0;
  padding-top: 6px;
  border-top: 1px solid var(--rule-soft);
  font-family: var(--serif);
}

.hero__meta dd a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--rule-soft);
  transition: border-color 120ms ease;
}

.hero__meta dd a:hover {
  border-bottom-color: var(--ink);
}

.affil-list,
.contact-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.affil-list li {
  margin-bottom: 4px;
}

.affil-list li small {
  font-family: var(--jp);
  color: var(--muted);
  font-size: 15px;
  margin-left: 4px;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.tag-list li {
  padding: 4px 10px;
  border: 1px solid var(--rule-soft);
  background: var(--tag-bg);
  font-family: var(--serif);
  font-size: 16px;
  border-radius: 2px;
}

.tag-list li small {
  font-family: var(--jp);
  color: var(--muted);
  margin-left: 6px;
  font-size: 14px;
}

.contact-list {
  font-family: var(--mono);
  font-size: 15px;
  line-height: 1.85;
}

.contact-list li span {
  color: var(--muted);
  margin-right: 14px;
  display: inline-block;
  min-width: 110px;
}

.hero__portrait {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 5;
  background: #D9CFB8;
  border: 1px solid var(--rule);
  overflow: hidden;
}

.hero__portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__caption {
  font-family: var(--serif);
  font-style: italic;
  font-size: 14px;
  color: var(--muted);
  margin-top: 10px;
  line-height: 1.5;
}

.hero__caption a {
  color: var(--muted);
}

/* =========================== NEWS / RECENT ============================== */

.news-list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px 40px;
}

.news-list li {
  display: grid;
  grid-template-columns: 76px 1fr;
  gap: 14px;
  align-items: baseline;
}

.news-list__date {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--accent);
  letter-spacing: 1px;
  font-weight: 500;
}

.news-list__text {
  font-family: var(--serif);
  font-size: 17px;
  line-height: 1.55;
}

/* =========================== PUB FILTER ================================= */

.pub-filter {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 4px 0 18px;
  flex-wrap: wrap;
  gap: 12px;
}

.pub-filter__tabs {
  display: flex;
  border: 1px solid var(--rule);
}

.pub-filter__tab {
  padding: 8px 16px;
  border: none;
  border-right: 1px solid var(--rule);
  background: transparent;
  color: var(--ink);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 120ms ease, color 120ms ease;
}

.pub-filter__tab:last-child {
  border-right: none;
}

.pub-filter__tab small {
  font-family: var(--jp);
  opacity: 0.7;
  margin-left: 6px;
  font-size: 11px;
  text-transform: none;
  letter-spacing: 0;
}

.pub-filter__tab:hover {
  background: var(--tag-bg);
}

.pub-filter__tab.is-active {
  background: var(--ink);
  color: var(--bg);
}

.pub-filter__tab.is-active small {
  opacity: 0.85;
}

.pub-filter__count {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 1px;
}

/* =========================== PUBLICATIONS =============================== */

.pub-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--rule);
  counter-reset: pub;
}

.pub-list > li {
  display: grid;
  grid-template-columns: 50px 1fr 220px;
  gap: 22px;
  padding: 16px 0;
  border-bottom: 1px solid var(--rule-soft);
  align-items: baseline;
}

.pub-list__year {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--accent);
  letter-spacing: 1px;
  font-weight: 500;
  padding-top: 4px;
}

.pub-list__title-ja {
  font-family: var(--jp);
  font-size: 18px;
  font-weight: 500;
  line-height: 1.5;
  margin-bottom: 4px;
}

.pub-list__title-en {
  font-family: var(--serif);
  font-size: 19px;
  line-height: 1.4;
  font-weight: 500;
}

.pub-list__title-en--with-ja {
  font-style: italic;
  color: var(--muted);
  font-size: 16px;
}

.pub-list__authors {
  font-family: var(--serif);
  font-size: 16px;
  color: var(--muted);
  margin-top: 6px;
  line-height: 1.6;
}

.pub-list__authors u,
.pub-list__authors .me {
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
  color: var(--ink);
}

.pub-list__venue {
  font-family: var(--serif);
  font-size: 16px;
  font-style: italic;
  margin-top: 4px;
  color: var(--ink);
}

.pub-list__venue .details {
  color: var(--muted);
  font-style: normal;
}

.pub-list__links {
  display: flex;
  gap: 14px;
  align-items: baseline;
  justify-content: flex-end;
  flex-wrap: wrap;
}

.pub-list__link {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 1.2px;
  color: var(--accent);
  text-decoration: none;
  text-transform: uppercase;
  border-bottom: 1px solid var(--accent);
  padding-bottom: 1px;
}

.pub-list__link--quiet {
  color: var(--muted);
  border-bottom-color: transparent;
}

.pub-list__badge {
  display: inline-block;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid var(--accent);
  padding: 2px 8px;
  margin-top: 6px;
  margin-right: 6px;
}

/* =========================== TALKS ====================================== */

.talks-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--rule);
}

.talks-list > li {
  display: grid;
  grid-template-columns: 110px 1fr 200px;
  gap: 22px;
  padding: 14px 0;
  border-bottom: 1px solid var(--rule-soft);
  align-items: baseline;
}

.talks-list__date {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--accent);
  letter-spacing: 1px;
  font-weight: 500;
}

.talks-list__title {
  font-family: var(--jp);
  font-size: 19px;
  line-height: 1.45;
  font-weight: 500;
}

.talks-list__title--en {
  font-family: var(--serif);
}

.talks-list__venue {
  font-family: var(--serif);
  font-size: 15px;
  font-style: italic;
  color: var(--muted);
  margin-top: 4px;
}

.talks-list__meta {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  align-items: baseline;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--muted);
}

.talks-list__meta a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid var(--accent);
}

/* =========================== EXPERIENCE / EDUCATION ===================== */

.exp-edu {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
}

.timeline {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  border-top: 1px solid var(--rule);
}

.timeline > li {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px solid var(--rule-soft);
  align-items: baseline;
}

.timeline__date {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--accent);
  letter-spacing: 1px;
}

.timeline__primary {
  font-family: var(--serif);
  font-size: 18px;
  line-height: 1.4;
  font-weight: 500;
}

.timeline__secondary {
  font-family: var(--serif);
  font-size: 15px;
  font-style: italic;
  color: var(--muted);
  margin-top: 2px;
}

/* =========================== AWARDS ===================================== */

.awards-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--rule);
}

.awards-list > li {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 18px;
  padding: 12px 0;
  border-bottom: 1px solid var(--rule-soft);
  align-items: baseline;
}

.awards-list__year {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--accent);
  letter-spacing: 1px;
  font-weight: 500;
}

.awards-list__title {
  font-family: var(--jp);
  font-size: 18px;
  font-weight: 500;
  line-height: 1.4;
}

.awards-list__title--en {
  font-family: var(--serif);
}

.awards-list__title a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid var(--rule-soft);
}

.awards-list__title a:hover {
  border-bottom-color: var(--ink);
}

.awards-list__body {
  font-family: var(--serif);
  font-style: italic;
  font-size: 15px;
  color: var(--muted);
  margin-top: 2px;
}

/* =========================== FOOTER ===================================== */

.footer-mini {
  padding: 28px var(--pad-sec-x) 36px;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  max-width: var(--max-w);
  margin: 0 auto;
}

.footer-mini__copy {
  font-family: var(--serif);
  font-size: 16px;
  color: var(--muted);
}

.footer-mini__updated {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 1.2px;
  color: var(--muted);
}

/* =========================== RESPONSIVE ================================= */

@media (max-width: 960px) {
  :root {
    --pad-sec-x: 32px;
    --hero-fs: 44px;
  }

  .hero__grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .hero__portrait-wrap {
    order: -1;
    max-width: 240px;
    margin-left: auto;
    margin-right: auto;
  }

  .news-list {
    grid-template-columns: 1fr;
  }

  .pub-list > li {
    grid-template-columns: 56px 1fr;
  }

  .pub-list__links {
    grid-column: 2;
    justify-content: flex-start;
    margin-top: 6px;
  }

  .talks-list > li {
    grid-template-columns: 90px 1fr;
  }

  .talks-list__meta {
    grid-column: 2;
    justify-content: flex-start;
    margin-top: 4px;
  }

  .exp-edu {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

@media (max-width: 640px) {
  :root {
    --pad-sec-x: 18px;
    --pad-sec-y: 24px;
    --hero-fs: 36px;
  }

  .top-nav {
    padding: 14px 18px;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
  }

  .top-nav nav {
    order: 3;
    flex-basis: 100%;
  }

  .top-nav__brand {
    align-items: center;
  }

  .top-nav__menu-toggle {
    width: 32px;
    height: 32px;
  }

  .top-nav__menu-toggle span:nth-child(1) { top: 10px; }
  .top-nav__menu-toggle span:nth-child(2) { top: 15px; }
  .top-nav__menu-toggle span:nth-child(3) { top: 20px; }

  .top-nav__list {
    display: none;
    flex-direction: column;
    gap: 0;
    border-top: 1px solid var(--rule-soft);
    padding-top: 8px;
    margin-top: 8px;
  }

  .top-nav__list.is-open {
    display: flex;
  }

  .top-nav__list li {
    padding: 8px 0;
    border-bottom: 1px solid var(--rule-soft);
  }

  .top-nav__menu-toggle {
    display: block;
    order: 2;
  }

  .top-nav__brand {
    order: 1;
  }

  .top-nav__brand-en {
    font-size: 18px;
  }

  .hero {
    padding: 28px 18px 24px;
  }

  .hero__title {
    line-height: 1.05;
  }

  .hero__subtitle {
    font-size: 18px;
  }

  .hero__lede {
    font-size: 17px;
  }

  .hero__meta {
    grid-template-columns: 1fr;
    row-gap: 14px;
  }

  .hero__meta dt {
    padding-top: 10px;
  }

  .hero__meta dd {
    padding-top: 4px;
    border-top: none;
  }

  .news-list li {
    grid-template-columns: 60px 1fr;
    gap: 10px;
  }

  .pub-list > li {
    grid-template-columns: 50px 1fr;
    gap: 12px;
  }

  .pub-list__title-en {
    font-size: 16px;
  }

  .pub-list__title-ja {
    font-size: 15px;
  }

  .talks-list > li {
    grid-template-columns: 78px 1fr;
    gap: 12px;
  }

  .talks-list__title {
    font-size: 15px;
  }

  .timeline > li {
    grid-template-columns: 110px 1fr;
    gap: 12px;
  }

  .awards-list > li {
    grid-template-columns: 76px 1fr;
    gap: 12px;
  }

  .footer-mini {
    flex-direction: column;
    gap: 6px;
    padding: 20px 18px 28px;
  }

  .pub-filter {
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
  }

  .pub-filter__tabs {
    width: 100%;
  }

  .pub-filter__tab {
    flex: 1;
    padding: 8px 4px;
    font-size: 11px;
    letter-spacing: 0.8px;
    text-align: center;
  }

  .pub-filter__tab small {
    display: block;
    margin-left: 0;
    margin-top: 2px;
    font-size: 10px;
  }
}