:root {
  --ink: #17242b;
  --dark: #091019;
  --paper: #ffffff;
  --muted: #53616a;
  --line: #cbd2d6;
  --accent: #00a7b5;
  --accent-ink: #006f7b;
  --accent-light: #56dce5;
  --dark-muted: #bac6cf;
  --dark-line: #33434e;
  --gutter: clamp(24px, 4vw, 72px);
  --header-height: 80px;
  --max-width: 1600px;
  --font-sans: "Yu Gothic", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
  --font-display: Arial, "Helvetica Neue", sans-serif;
  --font-serif: "Yu Mincho", "Hiragino Mincho ProN", "Noto Serif JP", serif;
  color-scheme: light;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; scroll-padding-top: 100px; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 500;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
button { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
img { display: block; max-width: 100%; height: auto; }
svg { display: block; fill: none; stroke: currentColor; stroke-width: 1.5; }
h1, h2, h3, p, figure { margin: 0; }
h1, h2, h3 { font-weight: 600; }
:focus-visible { outline: 2px solid var(--accent-ink); outline-offset: 6px; }
.dark-section :focus-visible,
.hero :focus-visible,
.site-header :focus-visible,
.site-footer :focus-visible { outline-color: var(--accent-light); }
::selection { color: var(--paper); background: var(--accent-ink); }
.page-top-anchor { position: absolute; top: 0; left: 0; }
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.skip-link {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 12px;
  padding: 10px 16px;
  background: var(--paper);
  color: var(--ink);
  transform: translateY(-160%);
}
.skip-link:focus { transform: translateY(0); }
.section-shell {
  width: min(calc(100% - var(--gutter) * 2), var(--max-width));
  margin-inline: auto;
}
.dark-section {
  color: var(--paper);
  background: var(--dark);
  color-scheme: dark;
}
.section-eyebrow {
  display: flex;
  align-items: center;
  gap: 16px;
  color: var(--accent-ink);
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .12em;
  line-height: 1.5;
  text-transform: uppercase;
}
.section-eyebrow > span { flex: 0 0 auto; }
.section-eyebrow > span::after {
  display: inline-block;
  width: 24px;
  height: 1px;
  margin-left: 16px;
  background: currentColor;
  content: "";
  vertical-align: middle;
}
.dark-section .section-eyebrow { color: var(--accent-light); }
.display-title {
  font-family: var(--font-display);
  font-size: clamp(96px, 12.7vw, 208px);
  font-weight: 700;
  letter-spacing: -.065em;
  line-height: 1;
}
h2 { font-size: clamp(32px, 3.3vw, 56px); line-height: 1.4; letter-spacing: -.035em; }
.text-link {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 44px;
  padding-block: 8px;
  border-bottom: 1px solid currentColor;
  text-decoration: none;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.65;
}
.text-link svg { width: 28px; height: 22px; flex: 0 0 auto; }
.text-link:hover { color: var(--accent-ink); }
.dark-section .text-link,
.hero .text-link { border-bottom-color: var(--accent-light); }
.dark-section .text-link:hover,
.hero .text-link:hover { color: var(--accent-light); }
.list-action { display: flex; justify-content: flex-end; margin-top: 30px; }

.site-header {
  position: fixed;
  z-index: 30;
  inset: 0 0 auto;
  display: grid;
  grid-template-columns: 205px 1fr auto;
  align-items: center;
  gap: 32px;
  height: var(--header-height);
  padding-inline: var(--gutter);
  border-bottom: 1px solid transparent;
  background: var(--dark);
  color: var(--paper);
  color-scheme: dark;
  transition: border-color 180ms ease;
}
.site-header.is-scrolled { border-bottom-color: var(--dark-line); }
.brand { display: flex; align-items: center; min-height: 44px; }
.brand img { width: 205px; height: auto; }
.primary-nav { display: flex; justify-content: flex-end; align-items: center; gap: clamp(20px, 2vw, 36px); }
.primary-nav a, .nav-group > summary {
  display: flex;
  align-items: center;
  min-height: 44px;
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
}
.primary-nav a:hover, .nav-group > summary:hover { color: var(--accent-light); }
.nav-group { position: relative; }
.nav-group__heading { display: none; }
.nav-group > summary { gap: 10px; cursor: pointer; list-style: none; }
.nav-group > summary::-webkit-details-marker { display: none; }
.nav-group > summary::after { content: ""; width: 6px; height: 6px; margin-top: -3px; border-right: 1px solid currentColor; border-bottom: 1px solid currentColor; transform: rotate(45deg); }
.nav-group[open] > summary::after { margin-top: 3px; transform: rotate(225deg); }
.nav-group__links { position: absolute; top: calc(100% + 8px); left: -20px; width: 260px; max-width: calc(100vw - 48px); padding: 10px 20px; border: 1px solid var(--dark-line); background: var(--dark); }
.nav-group__links a { min-height: 48px; line-height: 1.65; white-space: normal; }
.nav-group__links a + a { border-top: 1px solid var(--dark-line); }
.primary-nav > .nav-contact { justify-content: center; padding-inline: 18px; border: 1px solid var(--dark-line); }
.primary-nav > .nav-contact:hover { border-color: var(--accent-light); }
.language-switch { display: flex; gap: 5px; padding-left: 20px; border-left: 1px solid var(--dark-line); }
.language-switch a {
  display: grid;
  place-items: center;
  width: 44px;
  min-height: 44px;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  text-decoration: none;
}
.language-switch .is-current { color: var(--accent-light); text-decoration: underline; text-underline-offset: 10px; }
.nav-toggle { display: none; }

.hero { position: relative; min-height: 800px; height: 100svh; overflow: hidden; color: var(--paper); background: var(--dark); }
.hero-art {
  --caption-overhang: 6vw;
  position: absolute;
  inset: 70px -6% 74px 24%;
  margin: 0;
  pointer-events: none;
}
.hero-art img { width: 100%; height: 100%; object-fit: cover; object-position: center; }
.hero-art::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--dark) 0%, transparent 38%);
  content: "";
}
.hero-art figcaption {
  position: absolute;
  z-index: 1;
  right: calc(var(--caption-overhang) + var(--gutter));
  bottom: 120px;
  padding: 4px 8px;
  background: rgba(9, 16, 25, .88);
  color: #c4d1db;
  font-size: 11px;
  letter-spacing: .02em;
}
.hero-inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  width: min(100%, calc(var(--max-width) + var(--gutter) * 2));
  min-height: inherit;
  height: 100%;
  margin-inline: auto;
  padding: 142px var(--gutter) 28px;
}
.hero-copy { max-width: 1020px; padding-top: clamp(12px, 3vh, 36px); }
.hero-division { margin-bottom: 25px; color: var(--dark-muted); font-size: 12px; font-weight: 500; letter-spacing: .09em; }
.hero h1 { font-size: clamp(42px, 4vw, 64px); font-weight: 500; letter-spacing: -.045em; line-height: 1.45; }
.hero-title-line { display: block; }
.hero-lead { max-width: 760px; margin-top: 30px; font-size: 16px; line-height: 2; }
.hero-actions { display: flex; align-items: center; gap: 32px; margin-top: 34px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  min-height: 66px;
  padding: 16px 24px;
  text-decoration: none;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.6;
}
.button-primary { border: 1px solid var(--paper); background: var(--paper); color: var(--ink); }
.button-primary:hover { background: var(--accent-light); border-color: var(--accent-light); }
.button svg { width: 30px; height: 24px; }
.feature-index {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0;
  margin-top: auto;
  padding-top: 70px;
  border-bottom: 1px solid #7c8f9b;
}
.feature-index a {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 20px;
  min-height: 84px;
  padding: 6px 24px 24px;
  text-decoration: none;
}
.feature-index a:first-child { padding-left: 0; }
.feature-index a:last-child { padding-right: 0; }
.feature-index a + a::before { position: absolute; top: 7px; left: 0; height: 40px; border-left: 1px solid var(--dark-line); content: ""; }
.index-number { font-family: var(--font-display); font-size: 12px; line-height: 1.7; }
.index-copy { display: flex; flex-direction: column; gap: 6px; }
.index-copy > span { color: var(--dark-muted); font-family: var(--font-display); font-size: 11px; letter-spacing: .06em; }
.index-copy strong { font-size: 14px; font-weight: 500; line-height: 1.65; }
.feature-index svg { width: 16px; height: 16px; margin: 3px 0 0 auto; opacity: 0; transition: opacity 150ms ease; }
.feature-index a:hover,
.feature-index a:focus-visible { color: var(--accent-light); }
.feature-index a:hover svg,
.feature-index a:focus-visible svg { opacity: 1; }

.research-domains { padding-block: 90px 100px; }
.research-domains .display-title { margin-top: 20px; margin-bottom: 10px; }
.research-layout { display: grid; grid-template-columns: 48fr 52fr; gap: 54px; }
.research-intro > p { max-width: 580px; margin-top: 22px; font-size: 16px; }
.research-visual { margin-top: 30px; }
.research-visual img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; }
figcaption { margin-top: 10px; color: var(--muted); font-size: 11px; line-height: 1.6; }
.domain-list { padding-top: 33px; }
.domain-row {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr) 24px;
  align-items: start;
  gap: 22px;
  min-height: 140px;
  padding: 23px 0;
  border-top: 1px solid var(--line);
  text-decoration: none;
}
.domain-row:nth-child(4) { border-bottom: 1px solid var(--line); }
.row-number { display: block; font-family: var(--font-display); font-size: 12px; letter-spacing: .08em; line-height: 1.8; }
.domain-row .row-number { padding-top: 6px; }
.domain-row h3 { font-size: 24px; letter-spacing: -.025em; line-height: 1.4; }
.domain-row p { margin-top: 10px; color: var(--muted); font-size: 16px; line-height: 1.85; }
.domain-row svg { width: 24px; height: 24px; margin-top: 7px; }
.domain-row:hover,
.domain-row:focus-visible { color: var(--accent-ink); border-top-color: var(--accent); }

.ai-research { padding-block: 84px 72px; border-top: 1px solid var(--line); }
.ai-research-heading { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); align-items: start; gap: 48px; margin-top: 28px; }
.ai-research-heading h2 { font-size: clamp(32px, 3.2vw, 48px); line-height: 1.55; letter-spacing: -.035em; }
.ai-research-heading > p { max-width: 660px; padding-top: 8px; font-size: 16px; line-height: 2; }
.ai-research-options { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 36px; margin-top: 42px; }
.ai-research-options article { min-width: 0; padding-top: 24px; border-top: 1px solid var(--line); }
.ai-research-options h3 { font-size: 22px; line-height: 1.55; }
.ai-research-options p { margin-top: 14px; color: var(--muted); font-size: 16px; line-height: 1.9; }
.ai-research-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 22px 36px; margin-top: 34px; }

.knowledge { padding-block: 30px 105px; }
.knowledge-title { margin-bottom: 72px; }
.chapter-heading { display: flex; align-items: flex-start; gap: 28px; padding-top: 20px; border-top: 1px solid var(--line); }
.chapter-number { padding-top: 9px; color: var(--accent-ink); font-family: var(--font-display); font-size: 14px; letter-spacing: .08em; }
.chapter-heading .section-eyebrow { margin-top: 6px; color: var(--muted); font-size: 10px; letter-spacing: .25em; }
.analysis-intro { max-width: 780px; margin-top: 34px; }
.empty-state { margin-bottom: 12px; font-size: 21px; line-height: 1.6; }
.analysis-intro > p:last-child { color: var(--muted); font-size: 15px; }
.analysis-intro .research-caution { margin-top: 20px; padding-left: 16px; border-left: 2px solid var(--accent-ink); }
.analysis-standards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 42px; margin-top: 34px; }
.analysis-standards article { display: flex; flex-direction: column; align-items: flex-start; min-width: 0; padding-top: 16px; border-top: 1px solid #79878f; }
.analysis-standards h3 { margin-top: 9px; font-size: 21px; line-height: 1.5; }
.analysis-standards p { margin: 13px 0 22px; color: var(--muted); font-size: 16px; }
.analysis-standards .text-link { margin-top: auto; font-size: 14px; }
.outreach-articles { margin-top: 84px; }
.outreach-layout { display: grid; grid-template-columns: 47fr 53fr; align-items: center; gap: 20px; margin-top: 28px; }
.outreach-copy { position: relative; z-index: 1; padding-block: 16px; }
.outreach-copy h3 { margin-bottom: 24px; font-size: clamp(24px, 2.3vw, 35px); line-height: 1.65; letter-spacing: -.04em; }
.outreach-copy > p { max-width: 580px; margin-top: 15px; color: var(--muted); font-size: 16px; line-height: 2; }
.outreach-actions { display: flex; flex-wrap: wrap; gap: 12px 26px; margin-top: 22px; }
.outreach-actions .text-link { font-size: 14px; gap: 16px; }
.outreach-visual img { width: 100%; aspect-ratio: 3 / 2; object-fit: contain; }
.outreach-visual figcaption { text-align: right; }
.related-reading { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 42px; margin-top: 40px; }
.related-reading a { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 18px 0; border-top: 1px solid #79878f; text-decoration: none; }
.related-reading a:hover { color: var(--accent-ink); }
.related-reading span { display: block; font-size: 16px; font-weight: 600; }
.related-reading strong { display: block; margin-top: 5px; font-size: 14px; font-weight: 500; }
.related-reading p { margin-top: 5px; color: var(--muted); font-size: 11px; }
.related-reading svg { width: 28px; height: 22px; flex-shrink: 0; }

.data-platform { padding-block: 78px 60px; }
.method-heading { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 60px; margin-top: 28px; }
.method-heading .display-title { font-size: clamp(92px, 10.3vw, 172px); }
.method-heading h2 { font-size: clamp(28px, 3vw, 48px); }
.method-heading > div > p { max-width: 530px; margin-top: 20px; color: var(--dark-muted); font-size: 15px; }
.platform-steps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 36px; margin: 54px 0 0; padding: 0; list-style: none; }
.step-line { display: flex; align-items: center; gap: 18px; color: var(--accent-light); }
.platform-number { font-family: var(--font-display); font-size: 32px; font-weight: 400; letter-spacing: -.04em; line-height: 1; }
.step-line svg { min-width: 0; width: 100%; height: 20px; stroke-width: 1; }
.platform-steps h3 { margin-top: 24px; font-size: 24px; }
.platform-steps p { margin-top: 16px; color: var(--dark-muted); font-size: 16px; line-height: 1.95; }
.data-platform .list-action { margin-top: 42px; }

.news-panel { padding-block: 84px 72px; }
.news-intro { display: grid; grid-template-columns: 1.4fr 1fr; align-items: center; gap: 60px; margin-top: 28px; margin-bottom: 52px; }
.news-intro h2 { font-size: clamp(32px, 3.8vw, 62px); }
.news-intro p { max-width: 490px; color: var(--muted); font-size: 15px; }
.news-row { display: grid; grid-template-columns: 124px 112px minmax(0, 1fr) 28px; align-items: center; gap: 32px; min-height: 100px; padding: 24px 4px; border-bottom: 1px solid var(--line); text-decoration: none; }
.news-row:first-child { border-top: 1px solid var(--line); }
.news-row time { font-family: var(--font-display); font-size: 14px; letter-spacing: .04em; }
.news-tag { border-left: 1px solid var(--line); padding-left: 24px; color: var(--accent-ink); font-size: 13px; }
.news-row strong { font-size: 15px; font-weight: 500; line-height: 1.8; }
.news-row svg { width: 28px; height: 22px; }
.news-row:hover strong,
.news-row:hover svg { color: var(--accent-ink); }

.closing-cta { padding-block: 74px 82px; }
.closing-layout { display: grid; grid-template-columns: 1.13fr 1fr 124px; align-items: start; gap: 44px; margin-top: 38px; }
.closing-layout > h2 { font-family: var(--font-serif); font-size: clamp(44px, 5.5vw, 86px); font-weight: 400; line-height: 1.42; letter-spacing: -.045em; }
.closing-content { padding-top: 14px; }
.closing-lead { font-size: 15px; line-height: 2; }
.closing-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; margin-top: 30px; }
.closing-actions h3 { font-size: 15px; line-height: 1.6; }
.closing-actions p { margin-top: 12px; color: var(--dark-muted); font-size: 14px; line-height: 1.9; }
.closing-actions .text-link { margin-top: 16px; gap: 12px; font-size: 14px; }
.closing-actions .text-link svg { width: 22px; }
.contact-orbit { display: grid; place-items: center; width: 124px; height: 124px; margin-top: 10px; border: 1px solid var(--accent-light); border-radius: 50%; color: var(--accent-light); transition: background-color 180ms ease, color 180ms ease; }
.contact-orbit svg { width: 64px; height: 48px; stroke-width: 1; }
.contact-orbit:hover { background: var(--accent-light); color: var(--dark); }

.site-footer { padding-block: 44px 28px; color: var(--paper); background: var(--dark); color-scheme: dark; }
.footer-bottom { display: grid; grid-template-columns: 205px 1fr 44px; align-items: center; gap: 36px; padding-top: 22px; border-top: 1px solid var(--dark-line); }
.footer-brand { display: flex; align-items: center; min-height: 44px; }
.footer-brand img { width: 205px; }
.footer-legal nav { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 4px 22px; }
.footer-legal nav a { display: flex; align-items: center; min-height: 44px; font-size: 11px; text-decoration: none; }
.footer-legal nav a:hover { color: var(--accent-light); }
.footer-legal > p { color: var(--dark-muted); font-family: var(--font-display); font-size: 10px; text-align: right; }
.back-to-top { display: grid; place-items: center; width: 44px; height: 44px; border: 1px solid var(--dark-line); }
.back-to-top svg { width: 22px; height: 22px; }
.back-to-top:hover { color: var(--accent-light); border-color: var(--accent-light); }

.hero-copy { animation: arrive 700ms ease both; }
.is-entering { animation: settle 650ms ease both; }
@keyframes arrive { from { opacity: .35; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }
@keyframes settle { from { transform: translateY(12px); } to { transform: translateY(0); } }

@media (min-width: 1800px) {
  .hero-art { --caption-overhang: 0px; left: 31%; right: 0; }
  .hero-copy { padding-top: 50px; }
}
@media (max-width: 1199px) {
  .site-header { grid-template-columns: 205px 1fr auto; gap: 20px; position: relative; height: auto; min-height: var(--header-height); padding-block: 14px; }
  .site-header[data-nav-ready] { position: fixed; height: var(--header-height); padding-block: 0; }
  .primary-nav { grid-column: 1 / -1; grid-row: 2; justify-content: flex-start; flex-wrap: wrap; }
  .site-header[data-nav-ready] .primary-nav { position: absolute; inset: var(--header-height) 0 auto; grid-column: auto; grid-row: auto; display: grid; grid-template-columns: 1fr 1fr; gap: 0 28px; max-height: calc(100svh - var(--header-height)); overflow-y: auto; padding: 24px var(--gutter) 30px; border-bottom: 1px solid var(--dark-line); background: var(--dark); }
  .primary-nav a { min-height: 54px; font-size: 14px; }
  .primary-nav .nav-group { min-width: 0; padding-bottom: 14px; border-bottom: 1px solid var(--dark-line); }
  .nav-group > summary { min-height: 32px; margin-bottom: 4px; color: var(--accent-light); font-size: 13px; letter-spacing: .06em; }
  [data-nav-ready] .nav-group > summary { display: none; }
  [data-nav-ready] .nav-group__heading { display: block; min-height: 32px; margin: 0 0 4px; color: var(--accent-light); font-size: 13px; font-weight: 600; line-height: 32px; letter-spacing: .06em; }
  .nav-group__links { position: static; width: auto; max-width: none; padding: 0; border: 0; background: transparent; }
  .nav-group__links a + a { border-top: 0; }
  .primary-nav > a { margin-top: 16px; white-space: normal; }
  .primary-nav > .nav-contact { justify-content: flex-start; padding-inline: 14px; }
  .nav-toggle { grid-column: 2; grid-row: 1; justify-self: end; width: 44px; height: 44px; padding: 10px; border: 0; background: transparent; color: inherit; }
  [data-nav-ready] .nav-toggle { display: flex; flex-direction: column; justify-content: center; gap: 7px; }
  .nav-toggle span { width: 24px; height: 1px; background: currentColor; transition: transform 180ms ease; }
  .nav-toggle[aria-expanded="true"] span:first-child { transform: translateY(4px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:last-child { transform: translateY(-4px) rotate(-45deg); }
  .language-switch { grid-column: 3; grid-row: 1; padding-left: 12px; }
  .hero h1 { font-size: clamp(40px, 4.4vw, 54px); }
  .hero-art { --caption-overhang: 15vw; left: 16%; right: -15%; }
  .hero-lead { max-width: 610px; font-size: 15px; }
  .feature-index a { gap: 12px; padding-inline: 18px; }
  .feature-index svg { display: none; }
  .research-layout { gap: 36px; }
  .domain-row { grid-template-columns: 24px minmax(0, 1fr) 24px; gap: 16px; min-height: 146px; }
  .domain-row h3 { font-size: 21px; }
  .domain-row p { font-size: 15px; }
  .analysis-standards, .related-reading { gap: 28px; }
  .method-heading { gap: 36px; }
  .platform-steps { gap: 26px; }
  .platform-steps h3 { font-size: 21px; }
  .news-row { grid-template-columns: 110px 94px minmax(0, 1fr) 24px; gap: 24px; }
  .news-tag { padding-left: 18px; }
  .closing-layout { grid-template-columns: 1fr 1fr; gap: 36px; }
  .contact-orbit { grid-column: 1; grid-row: 2; width: 96px; height: 96px; margin-top: -16px; }
  .closing-content { grid-column: 2; grid-row: 1 / 3; }
  .closing-actions { grid-template-columns: 1fr; gap: 26px; }
  .footer-bottom { gap: 24px; }
}

@media (max-width: 767px) {
  :root { --gutter: 24px; --header-height: 72px; }
  html { scroll-padding-top: 90px; }
  body { font-size: 15px; }
  .site-header { grid-template-columns: 1fr 44px auto; gap: 8px; }
  .brand img { width: clamp(145px, 42vw, 190px); }
  .language-switch { padding-left: 5px; gap: 0; }
  .language-switch a { width: 44px; font-size: 11px; }
  .site-header[data-nav-ready] .primary-nav { grid-template-columns: 1fr; padding-block: 16px 24px; }
  .primary-nav a { min-height: 48px; font-size: 14px; }
  .primary-nav .nav-group + .nav-group { margin-top: 14px; }
  .hero { min-height: 0; height: auto; }
  .hero-art { --caption-overhang: 54vw; inset: 66px -54% auto 2%; height: 560px; }
  .hero-art img { object-position: 51% center; }
  .hero-art::after { background: linear-gradient(90deg, var(--dark) 0%, transparent 65%); }
  .hero-art figcaption { top: 16px; bottom: auto; max-width: calc(100vw - var(--gutter) * 2 - 32px); margin-top: 0; font-size: 11px; }
  .hero-inner { min-height: 100svh; height: auto; padding: 118px var(--gutter) 32px; }
  .hero-copy { max-width: 100%; padding: 0; }
  .hero-division { margin-bottom: 26px; font-size: 11px; letter-spacing: .025em; }
  .hero h1 { font-size: clamp(28px, 8.45vw, 52px); font-weight: 500; line-height: 1.52; letter-spacing: -.045em; }
  .hero-phrase { display: block; }
  .hero-title-line + .hero-title-line { margin-top: 8px; }
  .hero-lead { max-width: 460px; margin-top: 28px; font-size: 14px; line-height: 1.95; text-wrap: balance; }
  .lead-break { display: none; }
  .hero-actions { flex-wrap: wrap; gap: 15px 28px; margin-top: 28px; }
  .button { min-height: 56px; padding: 14px 18px; gap: 25px; font-size: 14px; }
  .hero-actions .text-link { font-size: 14px; gap: 18px; }
  .hero-actions .text-link svg { width: 22px; }
  .feature-index { grid-template-columns: 1fr 1fr; gap: 0 24px; padding-top: 0; margin-top: 54px; border-bottom: 0; }
  .feature-index a, .feature-index a:first-child, .feature-index a:last-child { min-height: 85px; gap: 12px; padding: 17px 0; border-top: 1px solid var(--dark-line); }
  .feature-index a + a::before { display: none; }
  .feature-index a:last-child { grid-column: 1 / -1; min-height: 76px; }
  .index-number { font-size: 11px; }
  .index-copy > span { font-size: 11px; }
  .index-copy strong { font-size: 14px; }
  .feature-index svg { display: block; opacity: 1; width: 13px; height: 13px; }
  .display-title { font-size: clamp(50px, 15vw, 116px); letter-spacing: -.065em; }
  h2 { font-size: 30px; line-height: 1.5; }
  .section-eyebrow { font-size: 11px; }
  .research-domains { padding-block: 58px 50px; }
  .research-domains .display-title { margin: 25px 0 22px; font-size: clamp(58px, 19vw, 140px); }
  .research-layout { grid-template-columns: 1fr; gap: 24px; }
  .research-intro > p { margin-top: 18px; font-size: 14px; }
  .research-visual { margin-top: 24px; }
  figcaption { font-size: 11px; }
  .domain-list { padding-top: 0; }
  .domain-row { min-height: 0; gap: 16px; padding-block: 23px; }
  .domain-row h3 { font-size: 21px; }
  .domain-row p { margin-top: 10px; font-size: 14px; line-height: 1.95; }
  .list-action { margin-top: 22px; }
  .text-link { font-size: 14px; gap: 18px; }
  .knowledge { padding-block: 26px 54px; }
  .knowledge-title { margin-bottom: 40px; }
  .chapter-heading { gap: 18px; padding-top: 24px; }
  .chapter-number { font-size: 12px; }
  .chapter-heading .section-eyebrow { margin-top: 5px; font-size: 11px; }
  .analysis-intro { margin-top: 26px; }
  .empty-state { font-size: 17px; line-height: 1.8; }
  .analysis-intro > p:last-child { font-size: 14px; line-height: 1.9; }
  .analysis-standards { grid-template-columns: 1fr; gap: 26px; margin-top: 28px; }
  .analysis-standards article { padding-top: 20px; }
  .analysis-standards h3 { font-size: 20px; }
  .analysis-standards p { margin-bottom: 10px; font-size: 14px; }
  .outreach-articles { margin-top: 54px; }
  .outreach-layout { grid-template-columns: 1fr; gap: 18px; margin-top: 20px; }
  .outreach-copy { padding-block: 10px; }
  .outreach-copy h3 { font-size: 23px; line-height: 1.8; }
  .outreach-copy > p { font-size: 14px; line-height: 1.95; }
  .outreach-actions { gap: 12px 24px; }
  .outreach-visual { margin-inline: -12px; }
  .outreach-visual figcaption { margin-right: 12px; }
  .related-reading { grid-template-columns: 1fr; gap: 0; margin-top: 24px; }
  .related-reading a { padding-block: 18px; }
  .related-reading a:last-child { border-bottom: 1px solid var(--line); }
  .data-platform { padding-block: 52px 42px; }
  .method-heading { grid-template-columns: 1fr; gap: 24px; margin-top: 28px; }
  .method-heading .display-title { font-size: clamp(80px, 23vw, 150px); }
  .method-heading h2 { font-size: 28px; }
  .method-heading > div > p { margin-top: 16px; font-size: 14px; }
  .platform-steps { grid-template-columns: 1fr 1fr; gap: 32px 24px; margin-top: 36px; }
  .step-line { gap: 10px; }
  .platform-number { font-size: 28px; }
  .platform-steps h3 { margin-top: 18px; font-size: 18px; }
  .platform-steps p { margin-top: 12px; font-size: 14px; line-height: 1.95; }
  .data-platform .list-action { margin-top: 30px; }
  .news-panel { padding-block: 54px 44px; }
  .news-intro { grid-template-columns: 1fr; gap: 22px; margin: 24px 0 30px; }
  .news-intro h2 { font-size: 29px; }
  .news-intro p { font-size: 14px; }
  .news-row { grid-template-columns: 102px 1fr 24px; gap: 12px 20px; padding-block: 20px; }
  .news-row time { font-size: 12px; }
  .news-tag { padding-left: 16px; font-size: 12px; }
  .news-row strong { grid-column: 1 / 3; grid-row: 2; font-size: 14px; line-height: 1.9; }
  .news-row svg { grid-column: 3; grid-row: 1 / 3; width: 24px; }
  .closing-cta { padding-block: 52px 28px; }
  .closing-layout { grid-template-columns: 1fr 70px; gap: 28px 18px; margin-top: 30px; }
  .closing-layout > h2 { grid-column: 1 / -1; font-size: clamp(40px, 11.5vw, 72px); line-height: 1.45; }
  .closing-content { grid-column: 1 / -1; grid-row: 2; padding-top: 0; }
  .closing-lead { font-size: 14px; line-height: 2; }
  .closing-actions { grid-template-columns: 1fr; gap: 26px; margin-top: 28px; }
  .closing-actions h3 { font-size: 15px; }
  .closing-actions p { max-width: 420px; font-size: 14px; }
  .closing-actions .text-link { margin-top: 12px; font-size: 14px; }
  .contact-orbit { grid-column: 2; grid-row: 3; width: 70px; height: 70px; margin-top: 0; }
  .contact-orbit svg { width: 38px; height: 30px; }
  .site-footer { padding-block: 20px 24px; }
  .footer-bottom { grid-template-columns: 1fr 44px; gap: 20px; }
  .footer-brand img { width: 186px; }
  .footer-legal { grid-column: 1 / -1; grid-row: 2; }
  .footer-legal nav { justify-content: flex-start; gap: 0 18px; }
  .footer-legal nav a { font-size: 11px; }
  .footer-legal > p { margin-top: 14px; text-align: left; font-size: 11px; }
  .back-to-top { grid-column: 2; grid-row: 1; }
}

@media (max-width: 359px) {
  :root { --gutter: 20px; }
  .site-header { gap: 4px; }
  .brand img { width: 133px; }
  .language-switch { border-left: 0; padding-left: 0; }
  .language-switch a { width: 44px; }
  .hero-inner { padding-top: 152px; }
  .hero h1 { font-size: 28px; }
  .hero-actions { gap: 12px; }
  .hero-actions .text-link { font-size: 14px; }
  .feature-index { gap: 0 18px; }
  .outreach-copy h3 { font-size: 20px; }
  .platform-steps { gap: 28px 18px; }
  .platform-steps h3 { font-size: 16px; }
}

@media (max-width: 767px) {
  .ai-research { padding-block: 52px 54px; }
  .ai-research-heading { grid-template-columns: 1fr; gap: 22px; margin-top: 24px; }
  .ai-research-heading > p { padding-top: 0; font-size: 15px; }
  .ai-research-options { grid-template-columns: 1fr; gap: 28px; margin-top: 30px; }
  .ai-research-options article { padding-top: 20px; }
  .ai-research-options h3 { font-size: 21px; }
  .ai-research-options p { margin-top: 10px; font-size: 15px; }
  .ai-research-actions { align-items: flex-start; flex-direction: column; margin-top: 28px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}