:root {
  color-scheme: light;
  --navy-950: #031531;
  --navy-900: #062552;
  --navy-800: #083b78;
  --blue-600: #0b6daa;
  --cyan-500: #08728a;
  --gold-700: #8b6f18;
  --gold-500: #d8bd55;
  --gold-200: #f2e49a;
  --page: #f1f6fc;
  --surface: #fbfdff;
  --surface-strong: #fdfefe;
  --surface-tint: #eaf4fb;
  --ink: #102b50;
  --muted: #526b87;
  --faint: #586f88;
  --line: #cfdeec;
  --line-strong: #abc3d8;
  --danger: #8b2c2c;
  --shadow: 0 24px 70px rgba(3, 21, 49, 0.1);
  --radius-card: 20px;
  --radius-panel: 28px;
  --content: min(1440px, calc(100% - 64px));
  --reading: 780px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background: var(--page);
}

* {
  box-sizing: border-box;
}

html {
  scroll-padding-top: 78px;
}

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 8% -6%, rgba(22, 169, 201, 0.12), transparent 32rem),
    linear-gradient(180deg, var(--page), #f7faff 42%, var(--page));
  color: var(--ink);
}

body,
button,
select {
  font: inherit;
}

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

a {
  color: inherit;
}

button,
select,
a {
  -webkit-tap-highlight-color: transparent;
}

button:focus-visible,
select:focus-visible,
a:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--cyan-500);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 10px;
  left: 10px;
  transform: translateY(-160%);
  border-radius: 999px;
  background: var(--navy-950);
  color: #f8fbff;
  padding: 10px 16px;
  font-size: 0.82rem;
  font-weight: 800;
  text-decoration: none;
}

.skip-link:focus {
  transform: translateY(0);
}

.research-alert {
  display: flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  gap: 12px 22px;
  padding: 9px 24px;
  background: var(--navy-950);
  color: #dceafa;
  font-size: 0.73rem;
  line-height: 1.4;
}

.research-alert strong {
  color: #f7fbff;
}

.research-alert span + span {
  position: relative;
}

.research-alert span + span::before {
  position: absolute;
  top: 50%;
  left: -12px;
  width: 1px;
  height: 12px;
  background: rgba(255, 255, 255, 0.24);
  content: "";
  transform: translateY(-50%);
}

.site-header {
  background: linear-gradient(100deg, #b48f24 0%, var(--gold-200) 46%, #c6a33b 100%);
  border-bottom: 1px solid rgba(3, 21, 49, 0.18);
  box-shadow: 0 10px 30px rgba(3, 21, 49, 0.08);
}

.site-header__inner {
  display: flex;
  width: var(--content);
  min-height: 104px;
  margin: 0 auto;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px 24px;
  padding: 12px 0;
}

.brand-lockup {
  display: inline-flex;
  flex: none;
  align-items: center;
  gap: 12px;
  color: var(--navy-950);
  text-decoration: none;
}

.brand-lockup img {
  width: 158px;
  height: 50px;
  object-fit: contain;
  object-position: left center;
}

.brand-lockup span {
  border-left: 1px solid rgba(3, 21, 49, 0.26);
  padding-left: 12px;
  font-size: 0.72rem;
  font-weight: 900;
}

.research-hub-link {
  margin-left: auto;
  border: 1px solid rgba(3, 21, 49, 0.3);
  border-radius: 999px;
  padding: 8px 13px;
  color: var(--navy-950);
  font-size: 0.75rem;
  font-weight: 900;
  text-decoration: none;
  transition: background 160ms ease, transform 160ms ease;
}

.research-hub-link:hover {
  background: rgba(255, 255, 255, 0.45);
}

.research-hub-link:active {
  transform: translateY(1px);
}

.global-nav {
  display: flex;
  order: 3;
  width: 100%;
  min-width: 0;
  align-items: center;
  justify-content: flex-start;
  gap: 4px;
  overflow-x: auto;
  padding-bottom: 2px;
  scrollbar-width: none;
  white-space: nowrap;
}

.global-nav::-webkit-scrollbar {
  display: none;
}

.global-nav a {
  border-radius: 999px;
  padding: 9px 12px;
  color: var(--navy-950);
  font-size: 0.78rem;
  font-weight: 850;
  text-decoration: none;
  transition: background 160ms ease, transform 160ms ease;
}

.global-nav a:hover {
  background: rgba(255, 255, 255, 0.45);
}

.global-nav a:active,
.text-link:active,
.secondary-button:active,
.segmented button:active {
  transform: translateY(1px);
}

.research-nav {
  position: sticky;
  z-index: 20;
  top: 0;
  border-bottom: 1px solid var(--line);
  background: rgba(247, 250, 255, 0.92);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
}

.research-nav__inner {
  display: flex;
  width: var(--content);
  min-height: 54px;
  margin: 0 auto;
  align-items: center;
  gap: 6px;
  overflow-x: auto;
  scrollbar-width: none;
}

.research-nav__inner::-webkit-scrollbar {
  display: none;
}

.research-nav a {
  position: relative;
  flex: none;
  border-radius: 999px;
  padding: 8px 11px;
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 760;
  text-decoration: none;
}

.research-nav a:hover,
.research-nav a.is-active {
  background: var(--surface-tint);
  color: var(--navy-800);
}

main {
  width: var(--content);
  margin: 28px auto 0;
}

.hero {
  display: grid;
  min-height: min(620px, calc(100dvh - 196px));
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-panel);
  background: var(--surface-strong);
  box-shadow: var(--shadow);
  grid-template-columns: minmax(420px, 0.94fr) minmax(520px, 1.06fr);
}

.hero__copy {
  position: relative;
  z-index: 1;
  display: flex;
  min-width: 0;
  align-items: flex-start;
  justify-content: center;
  flex-direction: column;
  padding: clamp(40px, 4vw, 58px);
}

.hero__context,
.section-label {
  margin: 0 0 14px;
  color: var(--blue-600);
  font-size: 0.75rem;
  font-weight: 850;
  letter-spacing: 0.08em;
}

.hero h1 {
  max-width: 8.5em;
  margin: 0;
  color: var(--navy-950);
  font-size: clamp(2.8rem, 4.2vw, 4.2rem);
  font-weight: 900;
  letter-spacing: -0.055em;
  line-height: 1.02;
  overflow-wrap: anywhere;
}

.hero__lead {
  max-width: 25em;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: clamp(1rem, 1.4vw, 1.2rem);
  line-height: 1.65;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-top: 32px;
  border-radius: 999px;
  background: var(--navy-900);
  color: #f8fbff;
  padding: 12px 18px;
  font-size: 0.82rem;
  font-weight: 850;
  text-decoration: none;
  transition: background 160ms ease, transform 160ms ease;
}

.text-link:hover {
  background: var(--navy-800);
}

.hero__visual {
  position: relative;
  min-width: 0;
  margin: 0;
  background: #e8eef3;
}

.hero__visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 58% center;
}

.hero__visual::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.24), transparent 30%);
  content: "";
  pointer-events: none;
}

.hero__visual figcaption,
.support-visual figcaption {
  position: absolute;
  right: 16px;
  bottom: 16px;
  max-width: 430px;
  border-radius: 14px;
  background: rgba(3, 21, 49, 0.86);
  color: #eaf3fb;
  padding: 9px 12px;
  font-size: 0.68rem;
  line-height: 1.5;
}

.research-status {
  display: grid;
  margin: 18px 0 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: var(--surface-strong);
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.research-status div {
  padding: 18px 22px;
}

.research-status div + div {
  border-left: 1px solid var(--line);
}

.research-status span,
.research-status strong {
  display: block;
}

.research-status span {
  color: var(--faint);
  font-size: 0.69rem;
  font-weight: 760;
}

.research-status strong {
  margin-top: 7px;
  color: var(--navy-900);
  font-size: 0.92rem;
}

.section {
  margin-top: clamp(72px, 9vw, 132px);
  scroll-margin-top: 76px;
}

.section-heading {
  display: flex;
  max-width: var(--reading);
  flex-direction: column;
  align-items: flex-start;
}

.section-heading h2,
.findings-heading h2,
.validation-grid h2 {
  margin: 0;
  color: var(--navy-950);
  font-size: clamp(2rem, 3.7vw, 4.2rem);
  font-weight: 880;
  letter-spacing: -0.045em;
  line-height: 1.08;
}

.section-heading > p:last-child,
.findings-heading p {
  max-width: 63ch;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 0.98rem;
  line-height: 1.75;
}

.judgement-grid {
  display: grid;
  margin-top: 42px;
  grid-template-columns: minmax(0, 1.2fr) minmax(340px, 0.8fr);
  gap: 24px;
}

.judgement-grid blockquote {
  margin: 0;
  border-radius: var(--radius-panel);
  background:
    linear-gradient(135deg, rgba(22, 169, 201, 0.18), transparent 58%),
    var(--navy-950);
  color: #f2f7fd;
  padding: clamp(32px, 5vw, 70px);
}

.judgement-grid blockquote span {
  color: #7cecff;
  font-size: 0.75rem;
  font-weight: 850;
}

.judgement-grid blockquote p {
  margin: 24px 0 0;
  font-size: clamp(1.45rem, 2.8vw, 3.1rem);
  font-weight: 760;
  letter-spacing: -0.035em;
  line-height: 1.24;
}

.relationship-list {
  display: grid;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-panel);
  background: var(--surface-strong);
}

.relationship-list div {
  display: grid;
  align-content: center;
  padding: 22px 28px;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: 18px;
}

.relationship-list div + div {
  border-top: 1px solid var(--line);
}

.relationship-list strong {
  color: var(--navy-800);
}

.relationship-list span {
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.6;
}

.framework-flow {
  margin-top: 22px;
  overflow-x: auto;
  border-radius: var(--radius-card);
  background: var(--surface-strong);
  scrollbar-width: thin;
}

.framework-flow__track {
  display: grid;
  min-width: 880px;
  border: 1px solid var(--line);
  border-radius: inherit;
  grid-template-columns: repeat(6, minmax(130px, 1fr));
}

.flow-node {
  position: relative;
  padding: 22px 20px;
}

.flow-node + .flow-node {
  border-left: 1px solid var(--line);
}

.flow-node + .flow-node::before {
  position: absolute;
  top: 50%;
  left: -7px;
  width: 13px;
  height: 13px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: var(--surface-strong);
  content: "";
  transform: translateY(-50%);
}

.flow-node span,
.flow-node strong {
  display: block;
}

.flow-node span {
  color: var(--cyan-500);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.7rem;
}

.flow-node strong {
  margin-top: 7px;
  color: var(--navy-900);
  font-size: 0.9rem;
}

.supply-layout {
  display: grid;
  margin-top: 42px;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
  grid-template-rows: repeat(2, minmax(190px, auto));
  gap: 18px;
}

.supply-item {
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: var(--surface-strong);
  padding: 28px;
}

.supply-item:first-child {
  display: flex;
  grid-row: 1 / 3;
  justify-content: flex-end;
  flex-direction: column;
  background:
    linear-gradient(145deg, rgba(22, 169, 201, 0.13), transparent 56%),
    var(--surface-strong);
}

.supply-item span {
  color: var(--blue-600);
  font-size: 0.73rem;
  font-weight: 820;
}

.supply-item h3 {
  margin: 16px 0 0;
  color: var(--navy-950);
  font-size: clamp(1.2rem, 2vw, 2rem);
  letter-spacing: -0.025em;
  line-height: 1.28;
}

.supply-item p {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 0.85rem;
  line-height: 1.7;
}

.evidence-note {
  display: grid;
  margin-top: 18px;
  border-left: 4px solid var(--cyan-500);
  border-radius: 0 var(--radius-card) var(--radius-card) 0;
  background: var(--surface-tint);
  padding: 20px 24px;
  grid-template-columns: 132px minmax(0, 1fr) minmax(0, 1fr);
  gap: 18px 24px;
}

.evidence-note strong {
  color: var(--navy-800);
}

.evidence-note p {
  margin: 0;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.65;
}

.case-toolbar {
  display: flex;
  margin-top: 36px;
  align-items: flex-end;
  gap: 16px;
}

.segmented {
  display: inline-flex;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface-strong);
  padding: 4px;
}

.segmented button {
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  padding: 9px 16px;
  font-size: 0.78rem;
  font-weight: 820;
}

.segmented button.is-active {
  background: var(--navy-900);
  color: #f8fbff;
}

.case-toolbar label {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-size: 0.7rem;
  font-weight: 760;
}

.case-toolbar select {
  min-width: 230px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface-strong);
  color: var(--ink);
  padding: 10px 34px 10px 14px;
  font-size: 0.78rem;
}

#case-count {
  margin: 0 0 10px auto;
  color: var(--faint);
  font-size: 0.72rem;
  font-weight: 720;
}

.case-grid {
  display: grid;
  margin-top: 22px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.case-card {
  display: flex;
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: var(--surface-strong);
  flex-direction: column;
}

.case-card header {
  display: flex;
  min-height: 112px;
  align-items: flex-start;
  justify-content: space-between;
  gap: 22px;
  padding: 24px 26px 18px;
}

.case-card h3 {
  margin: 8px 0 0;
  color: var(--navy-950);
  font-size: 1.24rem;
  letter-spacing: -0.02em;
  line-height: 1.3;
}

.case-region,
.case-mechanism,
.case-pair span,
.mechanism-card > span {
  color: var(--faint);
  font-size: 0.68rem;
  font-weight: 760;
}

.case-mechanism {
  max-width: 142px;
  border-radius: 999px;
  background: var(--surface-tint);
  color: var(--blue-600);
  padding: 7px 10px;
  text-align: center;
  line-height: 1.4;
}

.case-action {
  display: grid;
  margin: 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  padding: 15px 26px;
  font-size: 0.84rem;
  grid-template-columns: 84px minmax(0, 1fr);
  gap: 12px;
}

.case-action b {
  color: var(--blue-600);
}

.case-mechanism-copy {
  margin: 0;
  color: var(--ink);
  padding: 23px 26px 19px;
  font-size: 0.92rem;
  font-weight: 650;
  line-height: 1.7;
}

.case-observed {
  display: grid;
  margin: 0 26px 20px;
  border-radius: 14px;
  background: var(--surface-tint);
  color: var(--muted);
  padding: 13px 15px;
  font-size: 0.75rem;
  line-height: 1.6;
  gap: 6px;
}

.case-observed b {
  color: var(--blue-600);
  font-size: 0.68rem;
}

.case-pair {
  display: grid;
  padding: 0 26px 22px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.case-pair p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.65;
}

.case-card details {
  margin-top: auto;
  border-top: 1px solid var(--line);
  padding: 0 26px;
}

.case-card summary,
.opportunity-item summary,
.veto-panel summary {
  cursor: pointer;
  color: var(--navy-800);
  padding: 16px 0;
  font-size: 0.76rem;
  font-weight: 820;
}

.case-evidence {
  padding: 0 0 22px;
}

.case-evidence p {
  margin: 0 0 10px;
  color: var(--muted);
  font-size: 0.76rem;
  line-height: 1.65;
}

.case-evidence div {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.case-evidence a {
  border-radius: 999px;
  background: var(--surface-tint);
  color: var(--blue-600);
  padding: 7px 10px;
  font-size: 0.71rem;
  font-weight: 780;
  text-decoration: none;
}

.secondary-button {
  display: block;
  margin: 22px auto 0;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: var(--surface-strong);
  color: var(--navy-800);
  cursor: pointer;
  padding: 11px 18px;
  font-size: 0.8rem;
  font-weight: 850;
}

.loading-state {
  display: grid;
  grid-column: 1 / -1;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.loading-state span {
  min-height: 260px;
  border-radius: var(--radius-card);
  background: linear-gradient(100deg, var(--surface-tint), var(--surface-strong), var(--surface-tint));
  background-size: 220% 100%;
}

.empty-state,
.error-state {
  margin-top: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: var(--surface-strong);
  padding: 34px;
  text-align: center;
}

.empty-state p,
.error-state p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 0.84rem;
}

.mechanism-track {
  display: grid;
  margin-top: 38px;
  overflow-x: auto;
  padding: 2px 0 16px;
  grid-auto-columns: minmax(320px, 39vw);
  grid-auto-flow: column;
  gap: 18px;
  scroll-snap-type: x mandatory;
  scrollbar-color: var(--line-strong) transparent;
}

.classification-note {
  max-width: 72ch;
  margin: 20px 0 0;
  border-left: 3px solid var(--cyan-500);
  color: var(--muted);
  padding-left: 14px;
  font-size: 0.75rem;
  line-height: 1.6;
}

.mechanism-card {
  display: flex;
  min-height: 360px;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: var(--surface-strong);
  padding: 30px;
  flex-direction: column;
  scroll-snap-align: start;
}

.mechanism-card:nth-child(2n) {
  background:
    linear-gradient(145deg, rgba(22, 169, 201, 0.1), transparent 55%),
    var(--surface-strong);
}

.mechanism-card h3 {
  margin: 16px 0 0;
  color: var(--navy-950);
  font-size: 1.65rem;
  letter-spacing: -0.03em;
  line-height: 1.2;
}

.mechanism-chain {
  margin: 22px 0 0;
  color: var(--ink);
  font-size: 0.95rem;
  font-weight: 650;
  line-height: 1.7;
}

.mechanism-card dl {
  display: grid;
  margin: auto 0 0;
  gap: 16px;
}

.mechanism-card dl div {
  border-left: 2px solid var(--line-strong);
  padding-left: 13px;
}

.mechanism-card dt {
  color: var(--blue-600);
  font-size: 0.7rem;
  font-weight: 820;
}

.mechanism-card dd {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.6;
}

.section--findings {
  display: grid;
  align-items: start;
  grid-template-columns: minmax(300px, 0.7fr) minmax(0, 1.3fr);
  gap: clamp(42px, 7vw, 110px);
}

.findings-heading {
  position: sticky;
  top: 82px;
}

.findings-grid {
  display: grid;
  margin: 0;
  padding: 0;
  list-style: none;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.findings-grid li {
  min-height: 180px;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: var(--surface-strong);
  padding: 24px;
}

.findings-grid li:nth-child(3),
.findings-grid li:nth-child(7) {
  grid-column: 1 / -1;
  min-height: 140px;
}

.findings-grid strong,
.findings-grid span {
  display: block;
}

.findings-grid strong {
  color: var(--navy-900);
  font-size: 1.08rem;
}

.findings-grid span {
  margin-top: 15px;
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.7;
}

.consumption-loop {
  display: grid;
  margin-top: 38px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-panel);
  background: var(--surface-strong);
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.consumption-node {
  position: relative;
  min-height: 128px;
  padding: 24px;
}

.consumption-node + .consumption-node {
  border-left: 1px solid var(--line);
}

.consumption-node:nth-child(n + 6) {
  border-top: 1px solid var(--line);
}

.consumption-node:nth-child(6) {
  border-left: 0;
}

.consumption-node span,
.consumption-node strong {
  display: block;
}

.consumption-node span {
  color: var(--cyan-500);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.7rem;
}

.consumption-node strong {
  margin-top: 18px;
  color: var(--navy-900);
  font-size: 0.92rem;
  line-height: 1.45;
}

.opportunity-layout {
  display: grid;
  margin-top: 42px;
  align-items: start;
  grid-template-columns: minmax(0, 1.2fr) minmax(360px, 0.8fr);
  gap: 26px;
}

.opportunity-list {
  display: grid;
  gap: 16px;
}

.opportunity-item {
  border: 1px solid var(--line);
  border-left: 5px solid var(--cyan-500);
  border-radius: 0 var(--radius-card) var(--radius-card) 0;
  background: var(--surface-strong);
  padding: 26px;
}

.opportunity-item.is-comparator {
  border-left-color: var(--line-strong);
}

.opportunity-item > header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
}

.opportunity-item header span,
.opportunity-item header p {
  color: var(--faint);
  font-size: 0.7rem;
  font-weight: 760;
}

.opportunity-item .source-ids {
  display: block;
  margin-top: 9px;
  color: var(--blue-600);
  font-size: 0.66rem;
  font-weight: 760;
}

.opportunity-item .evidence-coverage {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  font-size: 0.66rem;
  font-weight: 720;
  line-height: 1.5;
}

.opportunity-item h3 {
  margin: 8px 0 0;
  color: var(--navy-950);
  font-size: 1.55rem;
  letter-spacing: -0.03em;
}

.opportunity-item header p {
  margin: 7px 0 0;
}

.opportunity-score {
  flex: none;
  color: var(--navy-900);
}

.opportunity-score strong {
  display: block;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 1.25rem;
}

.opportunity-score span {
  display: block;
  margin-top: 3px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.64rem;
  text-align: right;
}

.opportunity-item > p {
  margin: 22px 0 0;
  color: var(--ink);
  line-height: 1.7;
}

.opportunity-evidence {
  display: grid;
  margin-top: 20px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.opportunity-evidence p {
  margin: 0;
  border-radius: 14px;
  background: var(--surface-tint);
  color: var(--muted);
  padding: 14px 16px;
  font-size: 0.77rem;
  line-height: 1.6;
}

.opportunity-item details {
  margin-top: 16px;
  border-top: 1px solid var(--line);
}

.dimension-grid {
  display: grid;
  padding-bottom: 12px;
  grid-template-columns: 1fr;
  gap: 8px 18px;
}

.dimension-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border-radius: 10px;
  background: var(--surface-tint);
  padding: 9px 11px;
  color: var(--muted);
  font-size: 0.72rem;
}

.dimension-item > div {
  min-width: 0;
}

.dimension-item span,
.dimension-item small {
  display: block;
}

.dimension-item small {
  margin-top: 4px;
  color: var(--faint);
  font-size: 0.66rem;
  line-height: 1.5;
}

.dimension-item strong {
  color: var(--navy-800);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}

.score-note {
  margin: 8px 0 0;
  color: var(--faint);
  font-size: 0.7rem;
  line-height: 1.6;
}

.support-visual {
  position: relative;
  overflow: hidden;
  margin: 0;
  border-radius: var(--radius-panel);
  background: var(--surface-tint);
}

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

.support-visual--ritual {
  position: sticky;
  top: 82px;
  aspect-ratio: 3 / 4;
}

.support-visual--ritual img {
  object-position: 52% center;
}

.hypothesis-intro {
  display: grid;
  align-items: end;
  grid-template-columns: minmax(0, 0.84fr) minmax(420px, 1.16fr);
  gap: 40px;
}

.support-visual--making {
  aspect-ratio: 16 / 9;
}

.hypothesis-list {
  display: grid;
  margin-top: 28px;
  border-top: 1px solid var(--line-strong);
}

.hypothesis-card {
  border-bottom: 1px solid var(--line-strong);
}

.hypothesis-card summary {
  display: grid;
  cursor: pointer;
  align-items: center;
  padding: 26px 6px;
  list-style: none;
  grid-template-columns: 120px minmax(0, 1fr) 220px;
  gap: 26px;
}

.hypothesis-card summary::-webkit-details-marker {
  display: none;
}

.hypothesis-card summary span,
.hypothesis-card summary small {
  color: var(--faint);
  font-size: 0.72rem;
  font-weight: 760;
}

.hypothesis-card summary strong {
  color: var(--navy-950);
  font-size: clamp(1.15rem, 2vw, 1.65rem);
}

.hypothesis-card summary small {
  text-align: right;
}

.hypothesis-body {
  padding: 0 6px 32px 146px;
}

.hypothesis-status {
  margin: 0 0 22px;
  border-radius: 14px;
  background: #fff4e8;
  color: #77431b;
  padding: 11px 14px;
  font-size: 0.72rem;
  font-weight: 780;
  line-height: 1.55;
}

.hypothesis-body dl {
  display: grid;
  margin: 0;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 28px;
}

.hypothesis-body dt {
  color: var(--blue-600);
  font-size: 0.7rem;
  font-weight: 820;
}

.hypothesis-body dd {
  margin: 7px 0 0;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.65;
}

.architecture-stack {
  display: grid;
  margin-top: 42px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-panel);
  background: var(--surface-strong);
}

.architecture-layer {
  display: grid;
  min-height: 116px;
  align-items: center;
  padding: 22px 28px;
  grid-template-columns: 54px minmax(220px, 0.75fr) minmax(260px, 1.25fr) 120px;
  gap: 24px;
}

.architecture-layer + .architecture-layer {
  border-top: 1px solid var(--line);
}

.architecture-layer:nth-child(2) {
  background: rgba(22, 169, 201, 0.1);
}

.architecture-layer > span {
  color: var(--cyan-500);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}

.architecture-layer small {
  color: var(--faint);
  font-size: 0.69rem;
  font-weight: 760;
}

.architecture-layer h3 {
  margin: 7px 0 0;
  color: var(--navy-950);
  font-size: 1.3rem;
}

.architecture-layer p {
  margin: 0;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.6;
}

.architecture-layer em {
  color: var(--blue-600);
  font-size: 0.72rem;
  font-style: normal;
  font-weight: 800;
  text-align: right;
}

.architecture-disclaimer {
  margin: 14px 0 0;
  color: var(--faint);
  font-size: 0.72rem;
  text-align: right;
}

.alternative-panel {
  margin-top: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: var(--surface-tint);
  padding: 24px 28px;
}

.alternative-panel h3 {
  margin: 0;
  color: var(--navy-950);
  font-size: 1rem;
}

.alternative-panel ul {
  display: grid;
  margin: 16px 0 0;
  padding-left: 1.2em;
  gap: 9px;
}

.alternative-panel li {
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.65;
}

.validation-grid {
  display: grid;
  align-items: start;
  grid-template-columns: minmax(0, 1.2fr) minmax(360px, 0.8fr);
  gap: 32px;
}

.validation-list {
  display: grid;
  margin-top: 30px;
  gap: 10px;
}

.validation-item {
  display: grid;
  align-items: start;
  border-radius: 14px;
  background: var(--surface-strong);
  padding: 15px 17px;
  grid-template-columns: 18px minmax(0, 1fr);
  gap: 12px;
}

.validation-item span {
  width: 12px;
  height: 12px;
  margin-top: 5px;
  border: 2px solid var(--cyan-500);
  border-radius: 3px;
}

.validation-item p {
  margin: 0;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.6;
}

.veto-panel {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-panel);
  background: var(--navy-950);
  color: #f1f7fd;
}

.veto-panel summary {
  padding: 24px 28px;
  color: #f1f7fd;
  font-size: 0.88rem;
}

.veto-panel ol {
  display: grid;
  margin: 0;
  padding: 0 28px 28px 56px;
  gap: 12px;
}

.veto-panel li {
  color: #c9d9e9;
  font-size: 0.78rem;
  line-height: 1.55;
}

.state-legend {
  display: flex;
  margin-top: 34px;
  flex-wrap: wrap;
  gap: 8px;
}

.state-legend span {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface-strong);
  color: var(--muted);
  padding: 8px 11px;
  font-size: 0.7rem;
  font-weight: 780;
}

.state-legend span[data-state="fact"],
.state-legend span[data-state="judgement"],
.state-legend span[data-state="hypothesis"] {
  border-color: rgba(22, 169, 201, 0.42);
  color: var(--blue-600);
}

.source-list {
  display: grid;
  margin-top: 24px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.research-log {
  margin-top: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: var(--surface-strong);
  padding: 0 22px;
}

.research-log summary {
  cursor: pointer;
  color: var(--navy-800);
  padding: 17px 0;
  font-size: 0.76rem;
  font-weight: 820;
}

.research-log > div {
  display: grid;
  padding: 0 0 20px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.research-log p {
  margin: 0;
  color: var(--muted);
  font-size: 0.76rem;
  line-height: 1.65;
}

.source-item {
  display: grid;
  min-height: 92px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: var(--surface-strong);
  padding: 16px 18px;
  text-decoration: none;
  grid-template-columns: 42px minmax(0, 1fr) 22px;
  gap: 14px;
}

.source-item:hover {
  border-color: var(--line-strong);
  background: var(--surface-tint);
}

.source-item > span {
  color: var(--cyan-500);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.72rem;
}

.source-item strong,
.source-item small {
  display: block;
}

.source-item strong {
  color: var(--navy-900);
  font-size: 0.85rem;
}

.source-item small {
  margin-top: 7px;
  color: var(--faint);
  font-size: 0.67rem;
}

.source-item > b {
  color: var(--blue-600);
}

.publication-boundary {
  display: grid;
  margin-top: 24px;
  border-radius: var(--radius-panel);
  background:
    linear-gradient(125deg, rgba(22, 169, 201, 0.13), transparent 50%),
    var(--navy-950);
  color: #eef6fd;
  padding: clamp(26px, 4vw, 48px);
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 40px;
}

.publication-boundary h3 {
  margin: 0;
  font-size: 1.6rem;
}

.publication-boundary div {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 28px;
}

.publication-boundary p {
  margin: 0;
  color: #cbd9e8;
  font-size: 0.78rem;
  line-height: 1.7;
}

.publication-boundary strong {
  color: #7cecff;
}

.site-footer {
  display: flex;
  width: var(--content);
  margin: 112px auto 28px;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
  border-radius: var(--radius-panel);
  background: var(--navy-950);
  color: #f2f7fd;
  padding: 36px 40px;
}

.site-footer strong {
  font-size: 1rem;
}

.site-footer p {
  margin: 9px 0 0;
  color: #bfd0e1;
  font-size: 0.75rem;
  line-height: 1.6;
}

.site-footer a {
  flex: none;
  border-radius: 999px;
  background: #f6fbff;
  color: var(--navy-950);
  padding: 11px 15px;
  font-size: 0.77rem;
  font-weight: 850;
  text-decoration: none;
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --page: #07182c;
    --surface: #0a2038;
    --surface-strong: #0d2743;
    --surface-tint: #12314e;
    --ink: #edf5fd;
    --muted: #bfd0e1;
    --faint: #93abc2;
    --line: #254866;
    --line-strong: #3a607d;
    --shadow: 0 24px 70px rgba(0, 0, 0, 0.22);
  }

  body {
    background: radial-gradient(circle at 8% -6%, rgba(22, 169, 201, 0.11), transparent 32rem), var(--page);
  }

  .research-nav {
    background: rgba(7, 24, 44, 0.92);
  }

  .hero h1,
  .section-heading h2,
  .findings-heading h2,
  .validation-grid h2,
  .case-card h3,
  .mechanism-card h3,
  .opportunity-item h3,
  .hypothesis-card summary strong,
  .architecture-layer h3 {
    color: #f2f7fd;
  }

  .research-status strong,
  .relationship-list strong,
  .flow-node strong,
  .case-action,
  .case-observed b,
  .mechanism-card dt,
  .findings-grid strong,
  .consumption-node strong,
  .opportunity-score,
  .dimension-item strong,
  .architecture-layer em,
  .research-log summary,
  .source-item strong {
    color: #dceafa;
  }

  .hero__visual::after {
    background: linear-gradient(90deg, rgba(13, 39, 67, 0.24), transparent 30%);
  }

  .hypothesis-status {
    background: #3c2b1d;
    color: #ffd8b4;
  }
}

@media (max-width: 1120px) {
  :root {
    --content: min(100% - 40px, 1080px);
  }

  .hero {
    grid-template-columns: minmax(340px, 0.9fr) minmax(420px, 1.1fr);
  }

  .hero__copy {
    padding: 42px;
  }

  .opportunity-layout {
    grid-template-columns: minmax(0, 1fr) 340px;
  }

  .architecture-layer {
    grid-template-columns: 44px minmax(190px, 0.8fr) minmax(220px, 1.2fr) 100px;
  }
}

@media (max-width: 900px) {
  :root {
    --content: min(100% - 32px, 820px);
  }

  .site-header__inner {
    min-height: 68px;
  }

  .hero {
    min-height: auto;
    grid-template-columns: 1fr;
  }

  .hero__copy {
    min-height: 430px;
  }

  .hero__visual {
    aspect-ratio: 16 / 9;
  }

  .research-status {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .research-status div:nth-child(3),
  .research-status div:nth-child(4) {
    border-top: 1px solid var(--line);
  }

  .research-status div:nth-child(3) {
    border-left: 0;
  }

  .judgement-grid,
  .section--findings,
  .opportunity-layout,
  .hypothesis-intro,
  .validation-grid {
    grid-template-columns: 1fr;
  }

  .findings-heading {
    position: static;
  }

  .support-visual--ritual {
    position: relative;
    aspect-ratio: 16 / 10;
  }

  .case-grid,
  .source-list {
    grid-template-columns: 1fr;
  }

  .consumption-loop {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .consumption-node,
  .consumption-node:nth-child(n + 6) {
    border-top: 0;
    border-left: 0;
  }

  .consumption-node:nth-child(n + 4) {
    border-top: 1px solid var(--line);
  }

  .consumption-node:not(:nth-child(3n + 1)) {
    border-left: 1px solid var(--line);
  }

  .architecture-layer {
    grid-template-columns: 42px minmax(180px, 0.8fr) minmax(0, 1.2fr);
  }

  .architecture-layer em {
    display: none;
  }

  .publication-boundary {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  :root {
    --content: calc(100% - 24px);
    --radius-card: 16px;
    --radius-panel: 20px;
  }

  .research-alert {
    justify-content: flex-start;
    gap: 7px 14px;
    overflow-x: auto;
    padding: 10px 12px;
    white-space: nowrap;
    scrollbar-width: none;
  }

  .research-alert span + span::before {
    left: -7px;
  }

  .site-header__inner {
    width: var(--content);
  }

  .brand-lockup img {
    width: 132px;
    height: 44px;
  }

  .brand-lockup span {
    font-size: 0.65rem;
  }

  .research-hub-link {
    padding: 7px 11px;
    font-size: 0.7rem;
  }

  .global-nav {
    margin: 0 -12px;
    width: calc(100% + 24px);
    padding: 2px 12px 4px;
  }

  .research-nav__inner {
    width: 100%;
    padding: 0 12px;
  }

  main {
    margin-top: 12px;
  }

  .hero__copy {
    min-height: 390px;
    padding: 34px 24px;
  }

  .hero h1 {
    max-width: 9em;
    font-size: clamp(2.4rem, 12vw, 3.6rem);
  }

  .hero__lead {
    margin-top: 19px;
  }

  .text-link {
    margin-top: 24px;
  }

  .hero__visual figcaption,
  .support-visual figcaption {
    right: 10px;
    bottom: 10px;
    left: 10px;
    max-width: none;
  }

  .research-status {
    grid-template-columns: 1fr;
  }

  .research-status div + div,
  .research-status div:nth-child(3) {
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .section {
    margin-top: 72px;
  }

  .section-heading h2,
  .findings-heading h2,
  .validation-grid h2 {
    font-size: clamp(1.9rem, 9vw, 3rem);
  }

  .judgement-grid {
    margin-top: 28px;
  }

  .judgement-grid blockquote {
    padding: 28px 24px;
  }

  .relationship-list div {
    grid-template-columns: 1fr;
    gap: 7px;
  }

  .supply-layout {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
  }

  .supply-item:first-child {
    display: block;
    grid-row: auto;
  }

  .evidence-note {
    grid-template-columns: 1fr;
  }

  .case-toolbar {
    align-items: stretch;
    flex-direction: column;
  }

  .segmented {
    align-self: flex-start;
  }

  .case-toolbar select {
    width: 100%;
  }

  #case-count {
    margin: 0;
  }

  .case-card header {
    flex-direction: column;
  }

  .case-mechanism {
    max-width: none;
  }

  .case-action,
  .case-pair,
  .opportunity-evidence,
  .dimension-grid,
  .hypothesis-body dl,
  .findings-grid,
  .publication-boundary div,
  .research-log > div {
    grid-template-columns: 1fr;
  }

  .case-pair {
    gap: 14px;
  }

  .mechanism-track {
    grid-auto-columns: minmax(282px, 88vw);
  }

  .findings-grid li:nth-child(3),
  .findings-grid li:nth-child(7) {
    grid-column: auto;
  }

  .findings-grid li {
    min-height: auto;
  }

  .consumption-loop {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .consumption-node,
  .consumption-node:nth-child(n + 4) {
    border-top: 0;
    border-left: 0;
  }

  .consumption-node:nth-child(n + 3) {
    border-top: 1px solid var(--line);
  }

  .consumption-node:nth-child(2n) {
    border-left: 1px solid var(--line);
  }

  .hypothesis-card summary {
    padding: 22px 4px;
    grid-template-columns: 1fr;
    gap: 7px;
  }

  .hypothesis-card summary small {
    text-align: left;
  }

  .hypothesis-body {
    padding: 0 4px 26px;
  }

  .architecture-layer {
    grid-template-columns: 38px minmax(0, 1fr);
    gap: 12px 16px;
  }

  .architecture-layer p {
    grid-column: 2;
  }

  .architecture-disclaimer {
    text-align: left;
  }

  .site-footer {
    width: var(--content);
    margin-top: 72px;
    align-items: flex-start;
    padding: 28px 24px;
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}

@media (prefers-reduced-transparency: reduce) {
  .research-nav {
    background: var(--page);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }
}