:root {
  --ink: #14251d;
  --ink-2: #24342c;
  --paper: #f3f0e7;
  --paper-2: #e9e3d5;
  --white: #fffdf7;
  --orange: #ff5837;
  --orange-dark: #db3e24;
  --blue: #345ae8;
  --lime: #d6f35c;
  --line: rgba(20, 37, 29, .2);
  --soft-line: rgba(20, 37, 29, .11);

  /* Semantic color aliases — foundation / system / action / node / story */
  --color-foundation: var(--ink);
  --color-system: var(--blue);
  --color-action: var(--orange);
  --color-action-deep: var(--orange-dark);
  --color-node: var(--lime);
  --color-story: var(--paper);
  --color-story-2: var(--paper-2);

  /* Muted text — readable on light and dark surfaces */
  --text-muted: rgba(20, 37, 29, .78);
  --text-muted-soft: rgba(20, 37, 29, .7);
  --text-muted-on-dark: rgba(255, 253, 247, .8);
  --text-muted-on-dark-soft: rgba(255, 253, 247, .72);

  --header-h: 79px;
  --header-h-mobile: 65px;

  --sans: "Hiragino Kaku Gothic ProN", "Yu Gothic", "YuGothic", "Noto Sans JP", system-ui, sans-serif;
  --display: "Arial Narrow", "Helvetica Neue", var(--sans);
  --max: 1360px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
  background: var(--color-foundation);
  line-break: strict;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--color-story);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  line-break: strict;
  word-break: normal;
  overflow-wrap: break-word;
}

a { color: inherit; }

.nowrap { white-space: nowrap; }

/* Reduce orphaned single characters / mid-phrase wraps in Japanese prose. */
p,
li,
.hero-lead,
.hero-note,
.human-centered-lead,
.section-head p,
.entry-card p,
.entry-card h3,
.journey-step p,
.journey-note span,
.platform-body p,
.partner-card p,
.project-copy p,
.thesis-context > p,
.thesis-questions span,
.network-disclaimer span,
.contact p,
.footer-copy,
.button {
  line-break: strict;
  text-wrap: pretty;
}

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

.heading-line { display: block; }
.heading-nowrap { white-space: nowrap; }
.mobile-break { display: none; }

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

button:focus-visible,
a:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: 3px;
}

/* Anchor offset under sticky header:
   use scroll-padding-top on the scrollport only — do not also set
   scroll-margin-top on targets (they stack and overshoot). */

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 10px;
  left: 10px;
  padding: 10px 14px;
  color: var(--white);
  background: var(--ink);
  transform: translateY(-150%);
}

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

.shell {
  width: min(calc(100% - 64px), var(--max));
  margin-inline: auto;
}

.eyebrow {
  display: flex;
  gap: 12px;
  align-items: center;
  margin: 0 0 22px;
  font: 800 11px/1.2 var(--display);
  letter-spacing: .16em;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 30px;
  height: 3px;
  content: "";
  background: var(--orange);
}

.section-number { color: var(--color-system); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--line);
  background: rgba(243, 240, 231, .94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.header-inner {
  display: flex;
  min-height: 78px;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.brand {
  display: inline-flex;
  flex-shrink: 0;
  align-items: center;
  padding: 6px 0;
  color: var(--ink);
  text-decoration: none;
}

.brand-logo {
  display: block;
  height: auto;
}

.brand-logo-horizontal {
  width: 185px;
  max-width: min(185px, 42vw);
}

.brand-compact {
  display: none;
  gap: 10px;
  align-items: center;
}

.brand-logo-symbol {
  width: 40px;
  height: 40px;
}

.brand-name {
  font: 900 16px/1 var(--display);
  letter-spacing: .06em;
}

.site-nav {
  display: flex;
  gap: 30px;
  align-items: center;
}

.site-nav a {
  font-size: 12px;
  font-weight: 700;
  text-decoration: none;
}

.site-nav a:not(.nav-cta) {
  padding: 8px 0;
  border-bottom: 1px solid transparent;
}

.site-nav a:not(.nav-cta):hover { border-color: var(--ink); }

.site-nav a:not(.nav-cta):active {
  border-color: var(--ink);
  opacity: .82;
}

.nav-cta,
.button {
  display: inline-flex;
  min-height: 46px;
  gap: 24px;
  align-items: center;
  justify-content: space-between;
  padding: 0 18px;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--white);
  font-size: 12px;
  font-weight: 800;
  text-decoration: none;
  transition: background .2s ease, color .2s ease, transform .2s ease, box-shadow .2s ease;
}

.nav-cta:hover,
.button:hover {
  background: var(--orange);
  color: var(--ink);
  transform: translateY(-2px);
}

.nav-cta:active,
.button:active {
  background: var(--orange-dark);
  color: var(--ink);
  transform: translateY(0);
  box-shadow: inset 0 2px 0 rgba(20, 37, 29, .12);
}

.button.light {
  border-color: var(--ink);
  background: transparent;
  color: var(--ink);
}

.button.light:hover { background: var(--lime); }

.button.light:active {
  background: #c6e34a;
  transform: translateY(0);
  box-shadow: inset 0 2px 0 rgba(20, 37, 29, .1);
}

.button .arrow { font-size: 17px; }

.menu-toggle {
  display: none;
  transition: background .2s ease, transform .2s ease;
}

.menu-toggle:hover { background: rgba(20, 37, 29, .04); }

.menu-toggle:active {
  background: rgba(20, 37, 29, .1);
  transform: translateY(1px);
}

.hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.hero-grid {
  display: grid;
  min-height: 690px;
  grid-template-columns: minmax(0, 1.05fr) minmax(470px, .95fr);
}

.hero-copy {
  display: flex;
  min-width: 0;
  flex-direction: column;
  justify-content: center;
  padding: 82px 6vw 78px max(32px, calc((100vw - var(--max)) / 2));
}

.hero h1 {
  max-width: 760px;
  margin: 0;
  font: 900 clamp(54px, 5.45vw, 88px)/.99 var(--sans);
  letter-spacing: -.075em;
}

.hero h1 .lead-line,
.hero h1 .title-line {
  display: block;
  white-space: nowrap;
}

.hero h1 .lead-line {
  margin-bottom: .18em;
  font-size: .58em;
  letter-spacing: -.055em;
}

.hero h1 .title-line {
  display: inline;
}

.hero h1 .accent {
  position: relative;
  z-index: 1;
  white-space: nowrap;
}

.hero h1 .accent::after {
  position: absolute;
  z-index: -1;
  right: -.04em;
  bottom: .08em;
  left: -.02em;
  height: .19em;
  content: "";
  background: var(--lime);
  transform: rotate(-1.2deg);
}

.hero-lead {
  max-width: 660px;
  margin: 32px 0 0;
  color: var(--ink-2);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.85;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 34px;
}

.hero-note {
  display: flex;
  gap: 9px;
  align-items: flex-start;
  max-width: 630px;
  margin: 18px 0 0;
  color: var(--text-muted-soft);
  font-size: 12px;
  line-height: 1.75;
}

.hero-note::before {
  flex: 0 0 auto;
  width: 6px;
  height: 6px;
  margin-top: 5px;
  border-radius: 50%;
  content: "";
  background: var(--orange);
}

.hero-map {
  position: relative;
  min-width: 0;
  overflow: hidden;
  border-left: 1px solid var(--line);
  background-color: #dce8ee;
  background-image:
    linear-gradient(rgba(52, 90, 232, .14) 1px, transparent 1px),
    linear-gradient(90deg, rgba(52, 90, 232, .14) 1px, transparent 1px),
    linear-gradient(rgba(52, 90, 232, .06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(52, 90, 232, .06) 1px, transparent 1px);
  background-position: -1px -1px;
  background-size: 48px 48px, 48px 48px, 12px 12px, 12px 12px;
}

.hero-map::before {
  position: absolute;
  top: 24px;
  right: 24px;
  padding: 8px 10px;
  border: 1px solid var(--ink);
  content: "ROUTE MAP / JP — 001";
  background: var(--white);
  font: 900 9px/1 var(--display);
  letter-spacing: .14em;
}

.map-svg {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 690px;
}

.map-label {
  position: absolute;
  padding: 11px 13px;
  border: 1px solid var(--ink);
  box-shadow: 6px 6px 0 rgba(20, 37, 29, .12);
  background: var(--white);
  font: 900 10px/1.35 var(--display);
  letter-spacing: .04em;
}

.map-label small {
  display: block;
  margin-top: 5px;
  color: var(--text-muted);
  font: 700 11px/1.45 var(--sans);
  letter-spacing: .02em;
}

/* Keep callouts near nodes without covering the route dots. */
.label-origin { top: 23%; left: 10%; }
.label-entry { top: 36%; right: 6%; }
.label-operation { top: 71%; left: 6%; }

.map-stamp {
  position: absolute;
  right: 10%;
  bottom: 8%;
  display: grid;
  width: 86px;
  height: 86px;
  place-items: center;
  border: 2px solid var(--orange);
  border-radius: 50%;
  color: var(--orange-dark);
  font: 900 9px/1.25 var(--display);
  letter-spacing: .08em;
  text-align: center;
  transform: rotate(9deg);
}

.map-caption {
  position: absolute;
  right: 26px;
  bottom: 24px;
  color: rgba(20, 37, 29, .55);
  font: 800 8px/1.3 var(--display);
  letter-spacing: .12em;
  writing-mode: vertical-rl;
}

.ticker {
  overflow: hidden;
  border-bottom: 1px solid var(--ink);
  background: var(--color-node);
}

.ticker-inner {
  display: flex;
  min-height: 45px;
  align-items: center;
  justify-content: space-between;
  font: 900 10px/1 var(--display);
  letter-spacing: .16em;
  white-space: nowrap;
}

.ticker-separator { color: var(--orange-dark); }

.human-centered {
  padding: 96px 0;
  border-bottom: 1px solid var(--line);
  background: var(--white);
}

.human-centered .section-kicker {
  margin-bottom: 22px;
  color: var(--blue);
  font: 900 11px/1.2 var(--display);
  letter-spacing: .16em;
  text-transform: uppercase;
}

.human-centered-grid {
  display: grid;
  grid-template-columns: minmax(300px, .9fr) minmax(0, 1.1fr);
  gap: 72px;
  align-items: start;
}

.human-centered h2 {
  margin: 0;
  font-size: clamp(38px, 4.8vw, 68px);
  line-height: 1.12;
  letter-spacing: -.055em;
}

.human-centered h2 .h2-line {
  display: block;
  white-space: nowrap;
}

.human-centered h2 .mark {
  position: relative;
  z-index: 1;
}

.human-centered h2 .mark::after {
  position: absolute;
  z-index: -1;
  right: -.03em;
  bottom: .06em;
  left: -.02em;
  height: .18em;
  content: "";
  background: var(--lime);
  transform: rotate(-1deg);
}

.human-centered-lead {
  max-width: 720px;
  margin: 0 0 34px;
  color: var(--ink-2);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.85;
}

.human-pillars {
  display: grid;
  border-top: 1px solid var(--ink);
}

.human-pillar {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 24px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.human-pillar b {
  color: var(--orange-dark);
  font: 900 10px/1.4 var(--display);
  letter-spacing: .12em;
}

.human-pillar strong {
  display: block;
  margin-bottom: 6px;
  font-size: 18px;
}

.human-pillar p {
  margin: 0;
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.8;
}

.thesis-band {
  position: relative;
  overflow: hidden;
  padding: 82px 0;
  border-bottom: 1px solid rgba(255, 253, 247, .18);
  background: var(--ink);
  color: var(--white);
}

.thesis-band::after {
  position: absolute;
  top: -220px;
  right: -180px;
  width: 510px;
  height: 510px;
  border: 1px solid rgba(214, 243, 92, .18);
  border-radius: 50%;
  content: "";
  box-shadow: 0 0 0 52px rgba(214, 243, 92, .025), 0 0 0 104px rgba(214, 243, 92, .025);
}

.thesis-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(360px, .92fr);
  gap: 8vw;
  align-items: center;
}

.thesis-band .eyebrow {
  margin-bottom: 25px;
  color: var(--lime);
}

.thesis-band .eyebrow::before { background: var(--orange); }

.thesis-band h2 {
  margin: 0;
  font: 900 clamp(41px, 4.6vw, 68px)/1.08 var(--sans);
  letter-spacing: -.06em;
}

.thesis-band h2 span { color: var(--lime); }
.thesis-band h2 .heading-normal { color: inherit; }

.thesis-context > p {
  max-width: 570px;
  margin: 0 0 26px;
  color: var(--text-muted-on-dark);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.85;
}

.thesis-questions {
  margin: 0;
  padding: 0;
  border-top: 1px solid rgba(255, 253, 247, .28);
  list-style: none;
}

.thesis-questions li {
  display: grid;
  min-height: 54px;
  grid-template-columns: 42px 1fr;
  gap: 10px;
  align-items: center;
  border-bottom: 1px solid rgba(255, 253, 247, .28);
  font-size: 13px;
  font-weight: 750;
  letter-spacing: .02em;
}

.thesis-questions b {
  color: var(--lime);
  font: 900 9px/1 var(--display);
  letter-spacing: .12em;
}

.section {
  padding: 118px 0;
  border-bottom: 1px solid var(--line);
}

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(300px, .66fr);
  gap: 8vw;
  align-items: end;
  margin-bottom: 58px;
}

.section h2 {
  margin: 0;
  font: 900 clamp(38px, 4.5vw, 67px)/1.08 var(--sans);
  letter-spacing: -.06em;
}

.section-head p {
  margin: 0;
  color: var(--ink-2);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.85;
}

.entry-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--ink);
  border-left: 1px solid var(--ink);
}

.entry-card {
  position: relative;
  min-height: 310px;
  padding: 30px;
  border-right: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  background: var(--white);
}

.entry-card:nth-child(2) { background: var(--paper-2); }
.entry-card:nth-child(3) { background: #dfebee; }

.entry-card .index {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 60px;
  color: var(--blue);
  font: 900 10px/1 var(--display);
  letter-spacing: .12em;
}

.entry-card .index::after {
  width: 10px;
  height: 10px;
  border: 2px solid currentColor;
  border-radius: 50%;
  content: "";
}

.entry-card h3 {
  margin: 0 0 18px;
  font-size: 22px;
  line-height: 1.45;
  letter-spacing: -.03em;
}

.entry-card p {
  margin: 0;
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.85;
}

.entry-card .card-foot {
  position: absolute;
  right: 30px;
  bottom: 25px;
  left: 30px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 13px;
  border-top: 1px solid var(--line);
  font: 800 10px/1 var(--display);
  letter-spacing: .08em;
}

.journey-section {
  position: relative;
  overflow: hidden;
  background: var(--color-foundation);
  color: var(--white);
}

.journey-section::after {
  position: absolute;
  top: -240px;
  right: -150px;
  width: 540px;
  height: 540px;
  border: 1px solid rgba(214, 243, 92, .22);
  border-radius: 50%;
  content: "";
  box-shadow: 0 0 0 55px rgba(214, 243, 92, .03), 0 0 0 110px rgba(214, 243, 92, .03);
}

.journey-section .eyebrow::before { background: var(--color-node); }
.journey-section .section-number { color: var(--color-node); }

.journey-section .section-head p { color: var(--text-muted-on-dark-soft); }

.journey {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  border-top: 1px solid rgba(255, 253, 247, .35);
  border-left: 1px solid rgba(255, 253, 247, .35);
}

.journey-step {
  position: relative;
  display: flex;
  min-height: 220px;
  flex-direction: column;
  padding: 25px 18px 22px;
  border-right: 1px solid rgba(255, 253, 247, .35);
  border-bottom: 1px solid rgba(255, 253, 247, .35);
}

.journey-step:nth-child(3) {
  background: var(--color-action);
  color: var(--ink);
}

.journey-step:nth-child(3) .step-dot { background: var(--ink); }

.journey-step .num {
  color: var(--color-node);
  font: 900 10px/1 var(--display);
  letter-spacing: .1em;
}

.journey-step:nth-child(3) .num { color: var(--ink); }

.step-dot {
  width: 9px;
  height: 9px;
  margin: 36px 0 22px;
  border-radius: 50%;
  background: var(--color-node);
  box-shadow: 0 0 0 6px rgba(214, 243, 92, .08);
}

.journey-step h3 {
  margin: 0 0 13px;
  font-size: 16px;
  line-height: 1.45;
}

.journey-step p {
  margin: 0;
  color: var(--text-muted-on-dark);
  font-size: 14px;
  line-height: 1.7;
}

.journey-step:nth-child(3) p { color: rgba(20, 37, 29, .8); }

.step-owner {
  width: fit-content;
  margin-top: auto;
  padding: 6px 8px;
  border: 1px solid rgba(214, 243, 92, .45);
  color: var(--color-node);
  font: 900 11px/1.2 var(--display);
  letter-spacing: .06em;
  white-space: nowrap;
}

.journey-step:nth-child(3) .step-owner {
  border-color: rgba(20, 37, 29, .36);
  color: var(--ink);
}

.journey-note {
  display: flex;
  gap: 18px;
  align-items: center;
  justify-content: space-between;
  margin-top: 22px;
  color: var(--text-muted-on-dark-soft);
  font-size: 12px;
  line-height: 1.7;
}

.journey-note strong {
  color: var(--color-node);
  font: 900 10px/1 var(--display);
  letter-spacing: .1em;
  white-space: nowrap;
}

.network-wrap {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(350px, .8fr);
  border: 1px solid var(--ink);
}

.platform-card {
  position: relative;
  display: flex;
  min-height: 520px;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
  padding: 42px;
  border-right: 1px solid var(--ink);
  background: var(--color-system);
  color: var(--white);
}

.platform-card::before,
.platform-card::after {
  position: absolute;
  content: "";
  border: 1px solid rgba(255, 253, 247, .34);
  border-radius: 50%;
}

.platform-card::before {
  right: -150px;
  bottom: -170px;
  width: 510px;
  height: 510px;
}

.platform-card::after {
  right: -54px;
  bottom: -74px;
  width: 315px;
  height: 315px;
}

.platform-label {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font: 900 10px/1 var(--display);
  letter-spacing: .12em;
}

.platform-label span:last-child {
  padding: 6px 9px;
  border: 1px solid rgba(255, 253, 247, .7);
  font-size: 11px;
  letter-spacing: .08em;
}

.platform-body {
  position: relative;
  z-index: 1;
  max-width: 570px;
}

.platform-body h3 {
  margin: 0 0 18px;
  font: 900 clamp(45px, 5vw, 72px)/1 var(--display);
  letter-spacing: -.04em;
}

.platform-body p {
  max-width: 520px;
  margin: 0;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.85;
}

.platform-tags {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.platform-tags span {
  padding: 8px 10px;
  border: 1px solid rgba(255, 253, 247, .55);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .06em;
}

.partner-stack { display: grid; grid-template-rows: repeat(4, minmax(0, 1fr)); }

.product-platform-card {
  border-color: var(--blue);
  background: rgba(52, 90, 232, .045);
}

a.product-platform-card:hover {
  background: rgba(52, 90, 232, .1);
}

a.product-platform-card:active {
  background: rgba(52, 90, 232, .16);
}

.project-link {
  display: inline-flex;
  gap: 16px;
  align-items: center;
  margin-top: 22px;
  padding-bottom: 4px;
  border-bottom: 1px solid currentColor;
  font-size: 12px;
  font-weight: 800;
  text-decoration: none;
  transition: color .2s ease, transform .15s ease;
}

.project-link:hover { color: var(--orange-dark); }

.project-link:active {
  color: var(--orange-dark);
  transform: translateY(1px);
}

.partner-card {
  display: grid;
  min-height: 173px;
  grid-template-columns: 105px 1fr auto;
  gap: 20px;
  align-items: center;
  padding: 28px;
  border-bottom: 1px solid var(--ink);
  background: var(--white);
  text-decoration: none;
  transition: background .2s ease;
}

.partner-card:last-child { border-bottom: 0; }
a.partner-card:hover { background: var(--lime); }
a.partner-card:active { background: #c6e34a; }

.partner-card .role {
  color: var(--orange-dark);
  font: 900 10px/1.4 var(--display);
  letter-spacing: .11em;
}

.partner-card h3 {
  margin: 0 0 9px;
  font-size: 19px;
  line-height: 1.3;
}

.partner-card p {
  margin: 0;
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.8;
}

.partner-card .out {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border: 1px solid var(--ink);
  border-radius: 50%;
  font-size: 13px;
}

.network-disclaimer {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  margin-top: 18px;
  color: var(--text-muted);
  font-size: 12px;
  line-height: 1.75;
}

.network-disclaimer strong {
  flex: 0 0 auto;
  padding: 3px 5px;
  background: var(--ink);
  color: var(--white);
  font: 900 8px/1 var(--display);
  letter-spacing: .08em;
}

.projects-section { background: var(--color-story-2); }

.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border: 1px solid var(--ink);
}

.project-card {
  min-width: 0;
  background: var(--white);
}

.project-card:first-child { border-right: 1px solid var(--ink); }

.project-visual {
  position: relative;
  height: 280px;
  overflow: hidden;
  border-bottom: 1px solid var(--ink);
  background: var(--ink);
  color: var(--white);
}

.project-card:nth-child(2) .project-visual {
  background: var(--orange);
  color: var(--ink);
}

.project-visual .project-id {
  position: absolute;
  z-index: 2;
  top: 24px;
  left: 25px;
  font: 900 9px/1 var(--display);
  letter-spacing: .15em;
}

.project-visual .project-status {
  position: absolute;
  z-index: 2;
  top: 19px;
  right: 22px;
  padding: 6px 9px;
  border: 1px solid currentColor;
  font: 900 11px/1 var(--sans);
}

.wheel {
  position: absolute;
  right: 10%;
  bottom: -38%;
  width: 360px;
  aspect-ratio: 1;
  border: 2px solid var(--lime);
  border-radius: 50%;
  box-shadow: inset 0 0 0 48px var(--ink), inset 0 0 0 50px rgba(214, 243, 92, .6);
}

.wheel::before,
.wheel::after {
  position: absolute;
  top: 50%;
  left: 50%;
  content: "";
  background: var(--lime);
  transform: translate(-50%, -50%);
}

.wheel::before { width: 100%; height: 1px; }
.wheel::after { width: 1px; height: 100%; }

.wheel-core {
  position: absolute;
  top: 50%;
  left: 50%;
  display: grid;
  width: 90px;
  height: 90px;
  place-items: center;
  border-radius: 50%;
  background: var(--lime);
  color: var(--ink);
  font: 900 11px/1.2 var(--display);
  text-align: center;
  transform: translate(-50%, -50%);
}

.channels {
  position: absolute;
  right: 7%;
  bottom: 28px;
  left: 7%;
  display: grid;
  gap: 9px;
}

.channel {
  display: grid;
  height: 39px;
  grid-template-columns: 100px 1fr 32px;
  gap: 10px;
  align-items: center;
  padding: 0 12px;
  border: 1px solid var(--ink);
  background: rgba(255, 253, 247, .2);
  font: 900 9px/1 var(--display);
  letter-spacing: .06em;
}

.channel .line {
  height: 6px;
  background-image: repeating-linear-gradient(90deg, var(--ink) 0 12px, transparent 12px 18px);
}

.project-copy { padding: 32px 34px 36px; }

.project-copy h3 {
  margin: 0 0 15px;
  font-size: 29px;
  letter-spacing: -.035em;
}

.project-copy p {
  max-width: 590px;
  margin: 0;
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.85;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 23px;
}

.tags span {
  padding: 6px 8px;
  border: 1px solid var(--line);
  font: 900 8px/1 var(--display);
  letter-spacing: .08em;
}

.contact {
  position: relative;
  overflow: hidden;
  padding: 96px 0;
  background: var(--color-action);
}

.contact::after {
  position: absolute;
  top: -120px;
  right: -110px;
  width: 430px;
  height: 430px;
  border: 1px solid rgba(20, 37, 29, .4);
  border-radius: 50%;
  content: "";
  box-shadow: 0 0 0 46px rgba(20, 37, 29, .04), 0 0 0 92px rgba(20, 37, 29, .04);
}

.contact-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 60px;
  align-items: end;
}

.contact h2 {
  max-width: 850px;
  margin: 0;
  font: 900 clamp(45px, 5.3vw, 78px)/1.03 var(--sans);
  letter-spacing: -.065em;
}

.contact p {
  max-width: 720px;
  margin: 25px 0 0;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.85;
}

.contact-status-wrap {
  max-width: 320px;
  padding: 22px 24px;
  border: 1px solid rgba(20, 37, 29, .35);
  background: rgba(255, 253, 247, .22);
  user-select: text;
}

.contact-status {
  margin: 0;
  color: var(--ink);
  font-size: 14px;
  font-weight: 800;
  line-height: 1.5;
  letter-spacing: .02em;
  text-align: left;
}

.contact-status-note {
  margin: 8px 0 0;
  color: rgba(20, 37, 29, .78);
  font-size: 12px;
  font-weight: 600;
  line-height: 1.7;
  text-align: left;
}

.contact-status-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 13px;
  padding-top: 12px;
  border-top: 1px solid rgba(20, 37, 29, .24);
  color: var(--ink);
  font-size: 13px;
  font-weight: 800;
  text-decoration: none;
  transition: color .15s ease, border-color .15s ease;
}

.contact-status-link:hover {
  border-color: var(--ink);
  color: #263fc7;
}

.contact-status-detail:hover {
  border-color: rgba(20, 37, 29, .24);
  color: var(--ink);
}

.contact a:focus-visible,
.contact .button:focus-visible {
  outline-color: var(--ink);
  outline-offset: 4px;
}

/* Back to top — utility control; circle matches partner out / map stamp language */
.back-to-top {
  position: fixed;
  right: 28px;
  bottom: 32px;
  z-index: 60;
  display: grid;
  width: 44px;
  height: 44px;
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition: opacity 180ms ease, transform 180ms ease;
}

.back-to-top.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.back-to-top__button {
  display: grid;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid rgba(20, 37, 29, .18);
  border-radius: 50%;
  color: var(--ink);
  background: rgba(255, 253, 247, .92);
  box-shadow: 0 6px 20px rgba(20, 37, 29, .14);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  cursor: pointer;
  place-items: center;
  transition: color 160ms ease, background-color 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.back-to-top__button span {
  display: block;
  font-family: var(--display);
  font-size: 1.2rem;
  font-weight: 700;
  line-height: 1;
  transform: translateY(1px);
}

.back-to-top__button:hover {
  color: var(--ink);
  border-color: transparent;
  background: var(--orange);
  box-shadow: 0 8px 22px rgba(255, 88, 55, .28);
}

.back-to-top__button:active {
  background: var(--orange-dark);
  box-shadow: inset 0 2px 0 rgba(20, 37, 29, .12);
}

.back-to-top__button:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: 3px;
}

.site-footer {
  padding: 42px 0 28px;
  background: var(--color-foundation);
  color: var(--white);
}

.footer-top {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 60px;
  padding-bottom: 42px;
}

.footer-brand {
  display: inline-block;
  margin-bottom: 18px;
  text-decoration: none;
}

.footer-logo {
  display: block;
  width: min(200px, 100%);
  height: auto;
}

.footer-copy,
.footer-col a,
.footer-col span {
  color: var(--text-muted-on-dark);
  font-size: 13px;
  line-height: 1.85;
}

.footer-col h3 {
  margin: 0 0 13px;
  color: var(--color-node);
  font: 900 9px/1 var(--display);
  letter-spacing: .13em;
}

.footer-col a,
.footer-col span { display: block; }
.footer-col a { text-decoration: none; transition: color .15s ease; }
.footer-col a:hover { color: var(--white); }
.footer-col a:active { color: var(--lime); }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 253, 247, .16);
  color: rgba(255, 253, 247, .55);
  font: 800 9px/1.5 var(--display);
  letter-spacing: .08em;
}

@media (max-width: 1050px) {
  .shell { width: min(calc(100% - 40px), var(--max)); }
  .site-nav { gap: 16px; }
  .site-nav a:not(.nav-cta) { display: none; }
  .site-nav.is-open {
    position: absolute;
    top: 78px;
    right: 0;
    left: 0;
    display: grid;
    gap: 0;
    align-items: stretch;
    padding: 10px 20px 16px;
    border-bottom: 1px solid var(--ink);
    background: var(--paper);
  }
  .site-nav.is-open a:not(.nav-cta) {
    display: block;
    padding: 15px 4px;
    border-bottom: 1px solid var(--line);
  }
  .site-nav.is-open .nav-cta { margin-top: 10px; }
  .menu-toggle {
    display: inline-grid;
    width: 40px;
    height: 34px;
    flex: 0 0 auto;
    place-items: center;
    border: 1px solid var(--ink);
    background: transparent;
    color: var(--ink);
    font: 900 8px/1 var(--display);
    letter-spacing: .08em;
  }
  .hero-grid { grid-template-columns: 1fr .8fr; }
  .hero-copy { padding-left: 32px; }

  /* Tablet: 4 + 3 journey rows */
  .journey {
    grid-template-columns: repeat(4, 1fr);
  }
  .journey-step {
    min-height: 210px;
    padding: 22px 14px 20px;
  }
  .journey-step p {
    font-size: 13px;
    line-height: 1.7;
  }
  .step-owner {
    font-size: 11px;
    white-space: normal;
  }
  /* Keep row edges closed; empty 4th cell on row 2 has no pseudo borders */
  .journey-step:nth-child(4),
  .journey-step:nth-child(7) {
    border-right: 1px solid rgba(255, 253, 247, .35);
  }

  .network-wrap { grid-template-columns: 1fr; }
  .platform-card { min-height: 430px; border-right: 0; border-bottom: 1px solid var(--ink); }
  .partner-stack {
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: repeat(2, 1fr);
  }
  .partner-card {
    grid-template-columns: 1fr;
    align-content: start;
    border-right: 1px solid var(--ink);
    border-bottom: 1px solid var(--ink);
  }
  .partner-card:nth-child(2n) { border-right: 0; }
  .partner-card:nth-last-child(-n+2) { border-bottom: 0; }
  .partner-card .out { margin-top: auto; }
  .human-centered-grid { grid-template-columns: 1fr; gap: 42px; }
  .partner-card p { font-size: 13px; }
}

@media (max-width: 760px) {
  html { scroll-padding-top: var(--header-h-mobile); }

  .back-to-top {
    right: 16px;
    bottom: max(20px, calc(20px + env(safe-area-inset-bottom)));
    width: 46px;
    height: 46px;
  }

  .back-to-top__button {
    width: 46px;
    height: 46px;
  }

  .back-to-top__button span {
    font-size: 1.28rem;
  }

  .shell { width: min(calc(100% - 32px), var(--max)); }
  .header-inner { min-height: 64px; }
  .brand-logo-horizontal { display: none; }
  .brand-compact { display: inline-flex; }
  .site-nav { display: none; }
  .site-nav.is-open { top: 64px; padding-inline: 16px; }
  .hero-grid { display: block; min-height: 0; }
  .hero-copy { padding: 58px 16px 48px; }
  .hero h1 { font-size: clamp(46px, 13.2vw, 66px); }
  .hero h1 .lead-line { font-size: .47em; }
  .hero-lead { margin-top: 25px; font-size: 14px; line-height: 1.85; }
  .hero-actions { display: grid; }
  .hero-actions .button { width: 100%; }
  .hero-note { font-size: 12px; }
  .hero-map { min-height: 500px; border-top: 1px solid var(--ink); border-left: 0; }
  .map-svg { min-height: 500px; }
  .map-label { padding: 9px 10px; font-size: 9px; }
  .map-label small {
    font-size: 10px;
    line-height: 1.4;
  }
  .label-entry { right: 4%; }
  .map-stamp { width: 68px; height: 68px; font-size: 7px; }
  .ticker-inner { gap: 35px; justify-content: flex-start; overflow: hidden; }
  .ticker-inner span:nth-child(n+4) { display: none; }
  .human-centered { padding: 72px 0; }
  .human-centered h2 {
    font-size: clamp(30px, 8.2vw, 38px);
    letter-spacing: -.04em;
  }
  .hero h1 .lead-line,
  .hero h1 .title-line {
    white-space: nowrap;
  }
  .human-centered-lead { font-size: 14px; line-height: 1.85; }
  .human-pillar { grid-template-columns: 1fr; gap: 8px; }
  .human-pillar p { font-size: 13px; line-height: 1.8; }
  .thesis-band { padding: 68px 0; }
  .thesis-grid { grid-template-columns: 1fr; gap: 35px; }
  .thesis-band h2 { font-size: clamp(39px, 10.6vw, 52px); }
  .thesis-context > p { font-size: 14px; line-height: 1.85; }
  .section { padding: 78px 0; }
  .section-head { grid-template-columns: 1fr; gap: 26px; margin-bottom: 40px; }
  .section h2 { font-size: clamp(36px, 10.5vw, 52px); }
  .section-head p { font-size: 14px; line-height: 1.85; }
  .entry-grid { grid-template-columns: 1fr; }
  .entry-card { min-height: 260px; padding: 24px; }
  .entry-card .index { margin-bottom: 42px; }
  .entry-card p { font-size: 13px; line-height: 1.8; }
  .entry-card .card-foot { right: 24px; left: 24px; }

  /* Mobile: vertical timeline with continuous path line on the node rail */
  .journey {
    display: grid;
    grid-template-columns: 1fr;
    border: none;
    border-top: 1px solid rgba(255, 253, 247, .28);
    padding-top: 8px;
  }

  .journey-step {
    display: grid;
    grid-template-columns: 40px minmax(0, 1fr);
    grid-template-rows: auto auto auto auto;
    column-gap: 16px;
    row-gap: 6px;
    min-height: 0;
    align-items: start;
    padding: 4px 0 28px;
    border-right: 0;
    border-bottom: 0;
    background: transparent;
  }

  /* Override tablet nth-child border rules that otherwise win by specificity */
  .journey-step:nth-child(4),
  .journey-step:nth-child(7) {
    border-right: 0;
  }

  .journey-step:nth-child(3) {
    padding: 16px 14px 28px;
    margin: 0 0 4px;
    background: var(--color-action);
    color: var(--ink);
  }

  .journey-step .num {
    grid-column: 2;
    grid-row: 1;
    align-self: start;
    margin: 0;
  }

  .step-dot {
    position: relative;
    z-index: 1;
    grid-column: 1;
    grid-row: 1 / span 2;
    align-self: start;
    justify-self: center;
    width: 11px;
    height: 11px;
    margin: 4px 0 0;
    box-shadow: 0 0 0 5px rgba(214, 243, 92, .12);
  }

  .journey-step:nth-child(3) .step-dot {
    background: var(--ink);
    box-shadow: 0 0 0 5px rgba(20, 37, 29, .1);
  }

  .journey-step h3 {
    grid-column: 2;
    grid-row: 2;
    margin: 0;
    font-size: 16px;
  }

  .journey-step p {
    grid-column: 2;
    grid-row: 3;
    margin: 0;
    font-size: 13px;
    line-height: 1.75;
    color: var(--text-muted-on-dark);
  }

  .journey-step:nth-child(3) p {
    color: rgba(20, 37, 29, .82);
  }

  .journey-step .step-owner {
    grid-column: 2;
    grid-row: 4;
    margin-top: 4px;
    font-size: 11px;
    white-space: normal;
  }

  /* Continuous vertical path line on the node rail (does not cross body copy) */
  .journey-step:not(:last-child)::before {
    position: absolute;
    z-index: 0;
    top: 20px;
    bottom: 0;
    left: 19px;
    width: 2px;
    content: "";
    background: rgba(214, 243, 92, .38);
  }

  .journey-step:nth-child(3):not(:last-child)::before {
    left: calc(14px + 19px);
    background: rgba(20, 37, 29, .28);
  }

  .journey-note { display: block; font-size: 12px; }
  .journey-note strong { display: block; margin-bottom: 10px; }
  .platform-card { min-height: 430px; padding: 28px 24px; }
  .platform-label { gap: 18px; align-items: flex-start; }
  .platform-body h3 { font-size: 48px; }
  .platform-body p { font-size: 14px; }
  .partner-stack { display: block; }
  .partner-card {
    min-height: 0;
    grid-template-columns: 90px 1fr auto;
    border-right: 0;
    border-bottom: 1px solid var(--ink);
  }
  .partner-card p { font-size: 13px; }
  .projects-grid { grid-template-columns: 1fr; }
  .project-card:first-child { border-right: 0; border-bottom: 1px solid var(--ink); }
  .project-visual { height: 240px; }
  .project-visual .project-status { font-size: 11px; }
  .wheel { right: -10%; width: 300px; }
  .project-copy { padding: 27px 24px 30px; }
  .project-copy p { font-size: 13px; line-height: 1.85; }
  .contact { padding: 72px 0; }
  .contact-grid { grid-template-columns: 1fr; gap: 34px; }
  .contact h2 { font-size: clamp(43px, 12vw, 60px); }
  .contact p { font-size: 14px; }
  .contact-status-wrap { max-width: none; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 35px 25px; }
  .footer-top > div:first-child { grid-column: 1 / -1; }
  .footer-copy,
  .footer-col a,
  .footer-col span { font-size: 13px; }
  .footer-bottom { display: block; }
  .footer-bottom span { display: block; margin-top: 7px; }
  .network-disclaimer { font-size: 12px; }
}

@media (max-width: 430px) {
  .mobile-break { display: inline; }
  .thesis-band h2 { font-size: clamp(32px, 10vw, 41px); }
}

@media (max-width: 430px) {
  .brand-logo-symbol { width: 34px; height: 34px; }
  .brand-name { font-size: 14px; }
  .partner-card { grid-template-columns: 80px 1fr; gap: 15px; padding: 23px 19px; }
  .partner-card .out { display: none; }
  .journey-step {
    grid-template-columns: 34px minmax(0, 1fr);
    column-gap: 12px;
  }
  .journey-step:not(:last-child)::before {
    left: 16px;
  }
  .journey-step:nth-child(3):not(:last-child)::before {
    left: calc(14px + 16px);
  }
  .journey-step h3 { font-size: 15px; }
  .journey-step p { font-size: 13px; }
  .step-owner { font-size: 11px; }
  .channel { grid-template-columns: 72px 1fr 25px; }
  .map-label small { font-size: 10px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .back-to-top,
  .back-to-top__button {
    transition: none;
  }
  *,
  *::before,
  *::after {
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
  }
}