:root {
  --paper: #faf7f2;
  --paper-soft: #f3efe7;
  --ink: #1f1d1b;
  --muted: #6b6761;
  --line: #e3ddd4;
  --blue: #4a6b8a;
  --green: #5a7a5a;
  --coral: #8a6a4a;
  --accent: #8a6a4a;
  --gold: #b08a4a;
  --plum: #6a4a6a;
  --white: #ffffff;
  --shadow: 0 24px 60px rgba(60, 40, 20, 0.14);
  --font-sans: "Noto Sans JP", Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --font-serif: "Noto Serif JP", "Noto Serif", Georgia, "Times New Roman", serif;
  --font-mono: "JetBrains Mono", "SF Mono", "Fira Code", "Roboto Mono", Menlo, Consolas, monospace;
}

*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 17px;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  line-height: 1.65;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(17, 24, 39, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(17, 24, 39, 0.035) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(to bottom, black 0, transparent 620px);
  z-index: -1;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
summary {
  font: inherit;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: 1rem;
  z-index: 20;
  transform: translateY(-140%);
  background: var(--ink);
  color: var(--white);
  padding: 0.5rem 0.75rem;
}

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

.reading-progress {
  position: fixed;
  inset: 0 0 auto;
  height: 4px;
  z-index: 30;
  background: transparent;
}

.reading-progress span {
  display: block;
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, var(--green), var(--blue), var(--coral));
}

.site-header {
  position: relative;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem clamp(1rem, 4vw, 3rem);
  background: var(--paper);
  border-bottom: 1px solid rgba(17, 24, 39, 0.12);
}

.brand,
.top-nav {
  display: flex;
  align-items: center;
}

.brand {
  gap: 0.65rem;
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 1.15rem;
  letter-spacing: 0.01em;
}

.brand-mark {
  display: block;
  width: auto;
  height: 1.85rem;
  object-fit: contain;
}

.top-nav {
  gap: clamp(0.75rem, 3vw, 2rem);
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 700;
}

.top-nav a:hover,
.top-nav a:focus-visible {
  color: var(--ink);
}

.hero {
  display: block;
  border-bottom: 1px solid var(--line);
}

.hero-image {
  margin: 0;
  padding: clamp(1rem, 2vw, 2rem) clamp(1rem, 2vw, 2rem) clamp(1rem, 2vw, 2rem) 0;
}

.hero-image img {
  display: block;
  width: 100%;
  max-width: 640px;
  height: auto;
  border-radius: 4px;
  transform: rotate(-1.5deg);
  filter: sepia(0.14) saturate(0.9) drop-shadow(0 14px 30px rgba(31, 29, 27, 0.12));
  -webkit-mask-image:
    linear-gradient(
      to right,
      transparent 0%,
      transparent 18%,
      rgba(0, 0, 0, 0.25) 38%,
      rgba(0, 0, 0, 0.8) 62%,
      black 82%
    ),
    linear-gradient(to bottom, transparent 0%, black 7%, black 93%, transparent 100%),
    linear-gradient(to left, transparent 0%, black 5%, black 100%);
  -webkit-mask-composite: source-in;
          mask-image:
    linear-gradient(
      to right,
      transparent 0%,
      transparent 18%,
      rgba(0, 0, 0, 0.25) 38%,
      rgba(0, 0, 0, 0.8) 62%,
      black 82%
    ),
    linear-gradient(to bottom, transparent 0%, black 7%, black 93%, transparent 100%),
    linear-gradient(to left, transparent 0%, black 5%, black 100%);
          mask-composite: intersect;
}

@media (max-width: 720px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .hero-image {
    padding: 0 clamp(1rem, 4vw, 2rem) clamp(2rem, 5vw, 3rem);
  }
  .hero-image img {
    max-width: 280px;
    margin: 0 auto;
    transform: rotate(-1deg);
  }
}

.hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(4rem, 8vw, 8rem) clamp(1rem, 6vw, 5rem);
}

.eyebrow,
.section-kicker,
.module-label,
.rail-label {
  margin: 0 0 1rem;
  color: var(--green);
  font-size: 0.75rem;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  text-wrap: balance;
}

h1 {
  max-width: min(100%, 15ch);
  margin-bottom: 1.4rem;
  font-family: var(--font-serif);
  font-size: clamp(2.8rem, 5.6vw, 5.4rem);
  line-height: 0.98;
  font-weight: 800;
  overflow-wrap: normal;
}

h1 span {
  display: block;
}

.hero-deck {
  max-width: 46rem;
  color: var(--muted);
  font-size: clamp(1.1rem, 2.3vw, 1.65rem);
  line-height: 1.45;
}

.hero-tagline {
  margin: 1.5rem 0 0;
  padding: 0;
  max-width: 44rem;
  font-family: var(--font-mono);
  font-size: clamp(0.9rem, 1vw + 0.3rem, 1.1rem);
  font-weight: 400;
  line-height: 1.75;
  letter-spacing: -0.005em;
  color: var(--ink);
  white-space: pre;
  overflow-x: auto;
  background: transparent;
}

.hero-tagline__comment {
  color: var(--muted);
  opacity: 0.75;
}

.hero-tagline__root {
  color: var(--accent);
  font-weight: 700;
}

.hero-tagline__dir {
  color: var(--blue);
}

.hero-tagline__leaf {
  color: var(--green);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  padding: 0.7rem 1.1rem;
  border: 1px solid var(--ink);
  font-size: 0.88rem;
  font-weight: 800;
  letter-spacing: 0.01em;
  transition: background 0.16s ease, color 0.16s ease, transform 0.16s ease;
}

.hero-cta.primary {
  background: var(--ink);
  color: var(--white);
}

.hero-cta.primary:hover,
.hero-cta.primary:focus-visible {
  background: var(--blue);
  border-color: var(--blue);
}

.hero-cta.secondary {
  background: transparent;
  color: var(--ink);
}

.hero-cta.secondary:hover,
.hero-cta.secondary:focus-visible {
  background: var(--ink);
  color: var(--white);
}

.hero-cta:hover,
.hero-cta:focus-visible {
  transform: translateY(-1px);
}

.byline {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin: 1.5rem 0 0;
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 700;
}

.byline span:not([aria-hidden]) {
  letter-spacing: 0.01em;
}

.report-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.25rem;
}

.report-meta span {
  border: 1px solid var(--line);
  padding: 0.45rem 0.7rem;
  background: var(--paper-soft);
  font-size: 0.82rem;
  font-weight: 800;
}

.hero-visual {
  position: relative;
  margin: 0;
  min-height: 560px;
  background: #101820;
  color: var(--white);
  overflow: hidden;
}

.hero-visual figcaption {
  position: absolute;
  left: 1.25rem;
  top: 1.25rem;
  z-index: 2;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.8rem;
  font-weight: 800;
  text-transform: uppercase;
}

.signal-map {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.08) 0 1px, transparent 1px 100%);
  background-size: 34px 34px;
}

.signal-node {
  position: absolute;
  display: grid;
  place-items: center;
  width: clamp(7rem, 12vw, 11rem);
  aspect-ratio: 1;
  border: 1px solid rgba(255, 255, 255, 0.42);
  background: rgba(255, 255, 255, 0.08);
  box-shadow: inset 0 0 0 12px rgba(255, 255, 255, 0.03);
  font-weight: 900;
}

.signal-node span {
  padding: 0.5rem;
}

.node-a {
  left: 12%;
  top: 18%;
  background-color: rgba(49, 87, 213, 0.38);
}

.node-b {
  right: 14%;
  top: 24%;
  background-color: rgba(8, 115, 95, 0.42);
}

.node-c {
  left: 24%;
  bottom: 18%;
  background-color: rgba(210, 75, 54, 0.36);
}

.node-d {
  right: 18%;
  bottom: 16%;
  background-color: rgba(183, 122, 19, 0.38);
}

.signal-line {
  position: absolute;
  height: 1px;
  transform-origin: left center;
  background: rgba(255, 255, 255, 0.48);
}

.line-a {
  left: 28%;
  top: 37%;
  width: 42%;
  transform: rotate(8deg);
}

.line-b {
  left: 28%;
  bottom: 36%;
  width: 46%;
  transform: rotate(-10deg);
}

.line-c {
  left: 38%;
  top: 52%;
  width: 32%;
  transform: rotate(72deg);
}

.section-nav {
  position: sticky;
  top: 57px;
  z-index: 12;
  display: flex;
  gap: 0.35rem;
  overflow-x: auto;
  padding: 0.65rem clamp(1rem, 4vw, 3rem);
  background: var(--ink);
  color: rgba(255, 255, 255, 0.7);
  scrollbar-width: none;
}

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

.section-nav a {
  flex: 0 0 auto;
  padding: 0.42rem 0.72rem;
  border: 1px solid transparent;
  font-size: 0.78rem;
  font-weight: 800;
}

.section-nav a:hover,
.section-nav a:focus-visible,
.section-nav a.is-active {
  border-color: rgba(255, 255, 255, 0.35);
  color: var(--white);
}

.report-shell {
  max-width: 820px;
  margin: 0 auto;
  padding: clamp(2rem, 5vw, 4rem) clamp(1rem, 4vw, 3rem);
}

.report-body {
  min-width: 0;
}

.report-section {
  padding: clamp(2rem, 6vw, 5rem) 0;
  border-bottom: 1px solid var(--line);
}

.report-section:first-child {
  padding-top: 0;
}

.report-section h2 {
  margin-bottom: 1.2rem;
  font-family: var(--font-serif);
  font-size: clamp(2rem, 5vw, 4.8rem);
  line-height: 1.04;
  font-weight: 800;
}

.report-section h3 {
  margin-bottom: 0.7rem;
  font-family: var(--font-serif);
  font-size: clamp(1.4rem, 3vw, 2.25rem);
  line-height: 1.1;
}

.report-section p {
  color: #2e3441;
}

.standfirst {
  color: var(--ink) !important;
  font-size: clamp(1.15rem, 2.5vw, 1.55rem);
  line-height: 1.5;
}

.pullquote {
  margin: clamp(2rem, 5vw, 4rem) 0;
  padding: clamp(1.5rem, 4vw, 3rem) 0;
  border-top: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
}

.pullquote p {
  margin: 0;
  color: var(--ink);
  font-family: var(--font-serif);
  font-size: clamp(1.7rem, 4vw, 3.3rem);
  line-height: 1.12;
}

.data-story,
.matrix-module,
.perspective-row {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(280px, 1.15fr);
  gap: clamp(1.2rem, 4vw, 2rem);
  margin: clamp(2rem, 5vw, 4rem) 0;
  align-items: center;
}

.data-copy,
.matrix-copy,
.perspective-heading {
  min-width: 0;
}

.donut-card,
.bar-module,
.guide-card,
.expert-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper-soft);
}

.donut-card {
  margin: 0;
  padding: clamp(1rem, 3vw, 1.5rem);
  box-shadow: var(--shadow);
}

.donut-card figcaption,
.bar-module figcaption {
  margin-bottom: 1rem;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 900;
  text-transform: uppercase;
}

.donut {
  --v1: calc(var(--a) * 1%);
  --v2: calc((var(--a) + var(--b)) * 1%);
  --v3: calc((var(--a) + var(--b) + var(--c)) * 1%);
  position: relative;
  display: grid;
  place-items: center;
  width: min(250px, 72vw);
  aspect-ratio: 1;
  margin: 0 auto 1.2rem;
  border-radius: 50%;
  background: conic-gradient(var(--blue) 0 var(--v1), var(--green) var(--v1) var(--v2), var(--coral) var(--v2) var(--v3), var(--gold) var(--v3) 100%);
}

.donut::before {
  content: "";
  position: absolute;
  width: min(150px, 44vw);
  aspect-ratio: 1;
  border-radius: 50%;
  background: var(--paper-soft);
}

.donut span {
  position: relative;
  z-index: 1;
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 7vw, 4rem);
  font-weight: 800;
}

.legend {
  display: grid;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--muted);
  font-size: 0.9rem;
}

.legend li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.swatch {
  width: 0.85rem;
  height: 0.85rem;
}

.swatch-blue { background: var(--blue); }
.swatch-green { background: var(--green); }
.swatch-coral { background: var(--coral); }
.swatch-gold { background: var(--gold); }

.matrix {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 360px;
  border: 1px solid var(--ink);
  background: var(--white);
}

.matrix::before,
.matrix::after {
  content: "";
  position: absolute;
  background: var(--ink);
}

.matrix::before {
  left: 50%;
  top: 0;
  bottom: 0;
  width: 1px;
}

.matrix::after {
  left: 0;
  right: 0;
  top: 50%;
  height: 1px;
}

.axis {
  position: absolute;
  z-index: 2;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 900;
  text-transform: uppercase;
}

.axis-x {
  right: 0.8rem;
  bottom: 0.55rem;
}

.axis-y {
  left: 0.7rem;
  top: 0.7rem;
}

.quadrant {
  display: grid;
  place-items: center;
  min-height: 180px;
  padding: 1rem;
  font-weight: 900;
}

.q1 { background: rgba(49, 87, 213, 0.1); color: var(--blue); }
.q2 { background: rgba(8, 115, 95, 0.12); color: var(--green); }
.q3 { background: rgba(183, 122, 19, 0.12); color: var(--gold); }
.q4 { background: rgba(210, 75, 54, 0.12); color: var(--coral); }

.stat-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: clamp(2rem, 5vw, 4rem) 0;
  border-top: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
}

.stat-strip div {
  padding: clamp(1rem, 3vw, 1.4rem);
  border-right: 1px solid var(--line);
}

.stat-strip div:last-child {
  border-right: 0;
}

.stat-strip strong {
  display: block;
  margin-bottom: 0.25rem;
  font-family: var(--font-serif);
  font-size: clamp(2rem, 5vw, 3.8rem);
  line-height: 1;
}

.stat-strip span {
  color: var(--muted);
  font-size: 0.9rem;
}

.expert-list {
  display: grid;
  gap: 0.75rem;
}

.expert-card {
  padding: 1rem;
}

.expert-name {
  margin-bottom: 0.1rem;
  color: var(--ink) !important;
  font-weight: 900;
}

.expert-role {
  margin: 0;
  color: var(--muted) !important;
  font-size: 0.88rem;
}

.bar-module {
  margin: clamp(2rem, 5vw, 4rem) 0;
  padding: clamp(1rem, 3vw, 1.5rem);
  background: var(--white);
}

.bar-row {
  display: grid;
  grid-template-columns: minmax(120px, 180px) minmax(0, 1fr) 3rem;
  gap: 0.8rem;
  align-items: center;
  padding: 0.7rem 0;
  border-top: 1px solid var(--line);
}

.bar-row span {
  font-weight: 800;
}

.bar-row b {
  display: block;
  height: 1.15rem;
  background: linear-gradient(90deg, var(--green), var(--blue));
}

.bar-row em {
  color: var(--muted);
  font-style: normal;
  font-weight: 800;
  text-align: right;
}

.guidance-section {
  border-bottom: 0;
}

.guide-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.guide-card {
  display: grid;
  gap: 0.5rem;
  padding: 1rem;
  transition: transform 0.16s ease, border-color 0.16s ease;
}

.guide-card:hover,
.guide-card:focus-visible {
  transform: translateY(-2px);
  border-color: var(--ink);
}

.guide-card span {
  color: var(--green);
  font-size: 0.76rem;
  font-weight: 900;
  text-transform: uppercase;
}

.guide-card strong {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  line-height: 1.1;
}

.guide-card small {
  color: var(--muted);
  font-size: 0.85rem;
}

.notes-section details {
  border-top: 1px solid var(--line);
  padding: 1rem 0;
}

.notes-section details:last-child {
  border-bottom: 1px solid var(--line);
}

.notes-section summary {
  cursor: pointer;
  font-weight: 900;
}

.endnotes {
  margin: 1rem 0 0;
  padding-left: 1.2rem;
  color: var(--muted);
}

.section-standfirst {
  margin: 0 0 1.6rem;
  color: var(--ink) !important;
  font-family: var(--font-serif);
  font-size: clamp(1.2rem, 2.6vw, 1.7rem);
  line-height: 1.4;
  font-weight: 500;
}

.subsection {
  display: grid;
  grid-template-columns: 3rem minmax(0, 1fr);
  gap: 0.5rem 1.4rem;
  margin: clamp(1.5rem, 4vw, 2.5rem) 0 1.4rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--line);
}

.subsection-num {
  margin: 0;
  color: var(--green);
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 3vw, 2.3rem);
  font-weight: 800;
  line-height: 1;
}

.subsection h3 {
  grid-column: 2;
  margin: 0 0 0.6rem;
}

.subsection p {
  grid-column: 2;
}

.chart-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1rem 0 0;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.chart-actions a {
  color: var(--blue);
  border-bottom: 1px solid currentColor;
}

.chart-actions a:hover,
.chart-actions a:focus-visible {
  color: var(--ink);
}

.endnote-ref {
  margin-left: 0.1rem;
  font-size: 0.7em;
  vertical-align: super;
  line-height: 0;
}

.endnote-ref a {
  color: var(--blue);
  font-weight: 800;
}

.endnote-ref a:hover,
.endnote-ref a:focus-visible {
  color: var(--ink);
}

.endnote-back {
  margin-left: 0.4rem;
  color: var(--blue);
  text-decoration: none;
  font-weight: 800;
}

.endnote-back:hover,
.endnote-back:focus-visible {
  color: var(--ink);
}

.looking-ahead-section {
  background: linear-gradient(180deg, rgba(89, 64, 100, 0.06), transparent 320px);
  border-bottom: 0;
}

.looking-ahead-list {
  display: grid;
  gap: clamp(1rem, 3vw, 1.5rem);
  margin: clamp(1.5rem, 4vw, 2.5rem) 0 0;
  padding: 0;
  list-style: none;
}

.looking-ahead-list li {
  padding: clamp(1.25rem, 3vw, 1.75rem);
  border: 1px solid var(--line);
  background: var(--paper-soft);
}

.looking-ahead-list h3 {
  margin: 0.2rem 0 0.6rem;
  font-family: var(--font-serif);
  font-size: clamp(1.15rem, 2.6vw, 1.55rem);
  line-height: 1.2;
}

.looking-ahead-list p {
  margin: 0;
  color: var(--muted) !important;
}

.related-content {
  padding: clamp(2rem, 6vw, 4rem) 0 clamp(2.5rem, 7vw, 5rem);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: clamp(1.25rem, 3vw, 2rem);
}

.related-card {
  display: grid;
  gap: 0.45rem;
  padding: clamp(1rem, 3vw, 1.4rem);
  border: 1px solid var(--line);
  background: var(--paper-soft);
  transition: transform 0.16s ease, border-color 0.16s ease;
}

.related-card:hover,
.related-card:focus-visible {
  transform: translateY(-2px);
  border-color: var(--ink);
}

.related-label {
  color: var(--green);
  font-size: 0.76rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.related-card strong {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  line-height: 1.15;
}

.related-card small {
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.45;
}

/* ---------- Section pill (sticky, click-to-expand) ---------- */

.section-pill {
  position: sticky;
  top: 0;
  z-index: 14;
  display: flex;
  flex-direction: column;
  align-items: center;
  pointer-events: none;
  padding: 0.85rem 1rem 0;
  background: transparent;
}

.section-pill__toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  margin: 0;
  padding: 0.55rem 1.1rem;
  background: var(--paper-soft);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink);
  pointer-events: auto;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, transform 0.15s, box-shadow 0.15s;
  box-shadow: 0 6px 14px rgba(17, 24, 39, 0.05);
}

.section-pill__toggle:hover,
.section-pill__toggle:focus-visible {
  background: var(--paper);
  border-color: var(--ink);
  transform: translateY(-1px);
  box-shadow: 0 10px 22px rgba(17, 24, 39, 0.1);
}

.section-pill__caret {
  transition: transform 0.18s ease;
}

.section-pill.is-open .section-pill__caret {
  transform: rotate(180deg);
}

.section-pill__menu {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.35rem;
  margin-top: 0.55rem;
  padding: 0.6rem;
  width: min(960px, calc(100% - 1.5rem));
  background: var(--paper-soft);
  border: 1.5px dashed var(--ink);
  border-radius: 14px;
  pointer-events: auto;
  box-shadow: 0 14px 28px rgba(17, 24, 39, 0.06);
}

.section-pill__menu[hidden] {
  display: none;
}

.section-pill__item {
  display: grid;
  align-content: center;
  gap: 0.3rem;
  padding: 0.75rem 0.8rem;
  border-radius: 8px;
  background: transparent;
  transition: background 0.15s;
  text-align: center;
  min-height: 56px;
}

.section-pill__item:hover,
.section-pill__item:focus-visible {
  background: var(--paper);
}

.section-pill__item.is-active {
  background: var(--paper);
}

.section-pill__item .section-pill__num {
  display: block;
  color: var(--ink);
  font-size: 0.66rem;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  line-height: 1.2;
}

.section-pill__item .section-pill__title {
  display: block;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 600;
  line-height: 1.25;
}

@media (max-width: 720px) {
  .section-pill__menu {
    grid-template-columns: 1fr;
    gap: 0.1rem;
    width: min(360px, calc(100% - 1rem));
  }
  .section-pill__item {
    text-align: left;
    min-height: 0;
  }
}

/* ---------- Values grid (4 value cards) ---------- */

.values-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
  margin: clamp(1.5rem, 4vw, 2.5rem) 0 0;
  border-top: 1px solid var(--line);
}

.value-card {
  padding: clamp(1.5rem, 3vw, 2rem) clamp(1rem, 2.5vw, 1.5rem);
  border-bottom: 1px solid var(--line);
  border-right: 1px solid var(--line);
}

.value-card:nth-child(2n) {
  border-right: 0;
}

.value-card__num {
  margin: 0 0 0.85rem;
  color: var(--accent);
  font-family: var(--font-serif);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.value-card h3 {
  margin: 0 0 0.4rem;
  font-family: var(--font-serif);
  font-size: clamp(1.25rem, 2.4vw, 1.55rem);
  font-weight: 600;
  letter-spacing: -0.005em;
  color: var(--ink);
}

.value-card__sub {
  margin: 0 0 1rem;
  color: var(--muted);
  font-family: var(--font-serif);
  font-size: 0.95rem;
  font-style: italic;
  line-height: 1.5;
}

.value-card p:not(.value-card__num):not(.value-card__sub) {
  margin: 0;
  color: var(--ink);
  font-size: 1rem;
  line-height: 1.7;
}

@media (max-width: 640px) {
  .values-grid {
    grid-template-columns: 1fr;
  }
  .value-card {
    border-right: 0;
  }
}

/* ---------- Missions prose (rhythmic one-paragraph enumeration) ---------- */

.missions-prose,
.experiences-prose {
  margin: clamp(1.5rem, 4vw, 2.5rem) 0 0 !important;
  max-width: 52rem;
  font-family: var(--font-serif) !important;
  font-size: clamp(1.15rem, 1.4vw + 0.4rem, 1.45rem) !important;
  font-weight: 400 !important;
  line-height: 1.55 !important;
  color: var(--ink) !important;
}

/* ---------- Mission grid (9 mission titles, 3x3) ---------- */

.mission-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  margin: clamp(1.5rem, 4vw, 2.5rem) 0 0;
  border-top: 1px solid var(--line);
}

.mission-card {
  display: grid;
  gap: 0.55rem;
  padding: clamp(1.4rem, 3vw, 1.8rem) clamp(1rem, 2.5vw, 1.5rem);
  border-bottom: 1px solid var(--line);
  border-right: 1px solid var(--line);
}

.mission-card:nth-child(3n) {
  border-right: 0;
}

.mission-card__num {
  display: block;
  color: var(--accent);
  font-family: var(--font-serif);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.mission-card h3 {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  font-weight: 600;
  letter-spacing: -0.005em;
  color: var(--ink);
  line-height: 1.25;
}

@media (max-width: 920px) {
  .mission-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .mission-card:nth-child(3n) {
    border-right: 1px solid var(--line);
  }
  .mission-card:nth-child(2n) {
    border-right: 0;
  }
}

@media (max-width: 560px) {
  .mission-grid {
    grid-template-columns: 1fr;
  }
  .mission-card,
  .mission-card:nth-child(3n) {
    border-right: 0;
  }
}

/* ---------- Intro coda (personal note under triad) ---------- */

.intro-coda {
  margin: clamp(1.75rem, 4vw, 2.5rem) 0 0 !important;
  color: var(--muted) !important;
  font-family: var(--font-serif);
  font-size: clamp(1rem, 1.4vw, 1.1rem) !important;
  line-height: 1.65 !important;
  font-style: italic;
}

/* ---------- Triad grid (Software / Hardware / Mononaware) ---------- */

.triad-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  margin: clamp(1.5rem, 4vw, 2.5rem) 0 0;
  border-top: 1px solid var(--line);
}

.triad-item {
  padding: clamp(1.5rem, 3vw, 2rem) clamp(1rem, 2.5vw, 1.5rem);
  border-bottom: 1px solid var(--line);
  border-right: 1px solid var(--line);
}

.triad-item:nth-child(3n) {
  border-right: 0;
}

.triad-item__label {
  margin: 0 0 0.7rem;
  font-family: var(--font-serif);
  font-size: clamp(1.4rem, 2.6vw, 1.8rem);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.triad-item--accent .triad-item__label {
  color: var(--accent);
}

.triad-item__body {
  margin: 0;
  color: var(--muted);
  font-size: 0.98rem;
  line-height: 1.55;
}

@media (max-width: 640px) {
  .triad-grid {
    grid-template-columns: 1fr;
  }
  .triad-item {
    border-right: 0;
  }
}

/* ---------- Why grid (founder section: 2 beats per role) ---------- */

.why-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1.5rem, 4vw, 2.5rem);
  margin: clamp(1.5rem, 4vw, 2.5rem) 0 0;
  padding-top: clamp(1.5rem, 3vw, 2rem);
  border-top: 1px solid var(--line);
}

.why-card__label {
  margin: 0 0 0.6rem;
  color: var(--accent);
  font-family: var(--font-sans);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.why-card p:not(.why-card__label) {
  margin: 0;
  color: var(--ink);
  font-size: 1.02rem;
  line-height: 1.7;
}

@media (max-width: 640px) {
  .why-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

/* ---------- Credentials list (founder section) ---------- */

.credentials-list {
  counter-reset: cred;
  list-style: none;
  margin: clamp(1.5rem, 4vw, 2.5rem) 0 0;
  padding: 0;
}

.credentials-list > li {
  counter-increment: cred;
  position: relative;
  padding: clamp(1.4rem, 3vw, 1.8rem) 0 clamp(1.4rem, 3vw, 1.8rem) clamp(3rem, 6vw, 4.5rem);
  border-top: 1px solid var(--line);
}

.credentials-list > li:last-child {
  border-bottom: 1px solid var(--line);
}

.credentials-list > li::before {
  content: counter(cred, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: clamp(1.55rem, 3.15vw, 2rem);
  color: var(--accent);
  font-family: var(--font-serif);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.credentials-list > li h3 {
  margin: 0 0 0.4rem;
  font-family: var(--font-serif);
  font-size: clamp(1.2rem, 2.4vw, 1.5rem);
  font-weight: 600;
  line-height: 1.3;
  color: var(--ink);
}

.credentials-list > li p {
  margin: 0;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.6;
}

@media (max-width: 640px) {
  .credentials-list > li {
    padding-left: 2.6rem;
  }
}

/* ---------- Experiences titles-only variant ---------- */

.experiences-list--titles-only > li {
  padding-top: clamp(1.1rem, 2.4vw, 1.4rem);
  padding-bottom: clamp(1.1rem, 2.4vw, 1.4rem);
}

.experiences-list--titles-only > li::before {
  top: clamp(1.25rem, 2.55vw, 1.6rem);
}

.experiences-list--titles-only > li h3 {
  margin-bottom: 0;
}

/* ---------- Experiences list (10 numbered items) ---------- */

.experiences-list {
  counter-reset: exp;
  list-style: none;
  margin: clamp(1.5rem, 4vw, 2.5rem) 0 0;
  padding: 0;
}

.experiences-list > li {
  counter-increment: exp;
  position: relative;
  padding: clamp(1.4rem, 3vw, 1.8rem) 0 clamp(1.4rem, 3vw, 1.8rem) clamp(3rem, 6vw, 4.5rem);
  border-top: 1px solid var(--line);
}

.experiences-list > li:last-child {
  border-bottom: 1px solid var(--line);
}

.experiences-list > li::before {
  content: counter(exp, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: clamp(1.55rem, 3.15vw, 2rem);
  color: var(--accent);
  font-family: var(--font-serif);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.experiences-list > li h3 {
  margin: 0 0 0.6rem;
  font-family: var(--font-serif);
  font-size: clamp(1.15rem, 2.2vw, 1.4rem);
  font-weight: 600;
  line-height: 1.35;
  color: var(--ink);
}

.experiences-list > li p {
  margin: 0;
  color: var(--ink);
  font-size: 1rem;
  line-height: 1.7;
}

@media (max-width: 640px) {
  .experiences-list > li {
    padding-left: 2.6rem;
  }
}

/* ---------- Coda section (bookends the hero at page end) ---------- */

.coda-section {
  border-top: 1px solid var(--line);
  background: var(--paper);
}

.coda-section__inner {
  padding: clamp(4rem, 8vw, 8rem) clamp(1rem, 6vw, 5rem);
}

.coda-section h2 {
  margin: 0 0 1.4rem;
  font-family: var(--font-serif);
  font-size: clamp(2rem, 5vw, 4.8rem);
  line-height: 1.04;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.coda-section .standfirst {
  max-width: 56rem;
}

.coda-section .why-grid {
  max-width: 920px;
  margin-top: clamp(1.5rem, 4vw, 2.5rem);
}

/* ---------- Site footer ---------- */

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 2rem clamp(1rem, 4vw, 3rem);
  background: var(--ink);
  color: var(--white);
}

.site-footer p {
  margin: 0;
}

.site-footer a {
  color: rgba(255, 255, 255, 0.74);
}

@media (max-width: 920px) {
  .data-story,
  .matrix-module,
  .perspective-row {
    grid-template-columns: 1fr;
  }

  .stat-strip,
  .guide-grid,
  .related-grid {
    grid-template-columns: 1fr;
  }

  .stat-strip div {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .stat-strip div:last-child {
    border-bottom: 0;
  }
}

@media (max-width: 620px) {
  html {
    font-size: 16px;
  }

  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .top-nav {
    width: 100%;
    justify-content: space-between;
  }

  .section-nav {
    top: 96px;
  }

  h1 {
    max-width: none;
    font-size: clamp(2.25rem, 11vw, 3.05rem);
  }

  .hero-visual {
    min-height: 390px;
  }

  .signal-node {
    width: 6.6rem;
  }

  .bar-row {
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }

  .bar-row em {
    text-align: left;
  }

  .site-footer {
    flex-direction: column;
  }
}