:root {
  --v42-canvas: 1600px;
  --v42-rail: clamp(80px, calc((100vw - var(--v42-canvas)) / 2), 176px);
  --v42-grid: color-mix(in srgb, var(--evidence-line) 34%, transparent);
}

body[data-shell-version="4.2"] {
  --evidence-max: var(--v42-canvas);
  --v5-max: var(--v42-canvas);
  background:
    linear-gradient(90deg, transparent 0, transparent calc(100% - 1px), var(--v42-grid) calc(100% - 1px)) 0 0 / calc(100% / 16) 100%,
    var(--evidence-bg);
}

body[data-shell-version="4.2"] main {
  position: relative;
  isolation: isolate;
}

body[data-shell-version="4.2"] .eo-wrap,
body[data-shell-version="4.2"] .star-shell-wrap {
  width: min(calc(100% - 48px), var(--v42-canvas));
}

@media (min-width: 1100px) {
  body[data-shell-version="4.2"] .star-global-header {
    grid-template-columns: auto minmax(0, 1fr) auto auto;
  }
}

.star-locale-control {
  display: grid;
  grid-template-columns: auto auto;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  margin: 0 0 0 12px;
  padding: 5px 7px 5px 10px;
  border-left: 1px solid var(--evidence-line);
  color: var(--evidence-muted);
  font: 700 10px/1 var(--evidence-mono);
  letter-spacing: .05em;
}

.star-locale-control select {
  min-height: 34px;
  border: 1px solid var(--evidence-ink);
  border-radius: 0;
  background: var(--evidence-surface);
  color: var(--evidence-ink);
  padding: 4px 28px 4px 8px;
  font: 800 12px/1 var(--evidence-body);
}

.star-language {
  display: flex;
  align-self: center;
  min-height: 36px;
  margin-left: 10px;
  border: 1px solid var(--evidence-ink);
  background: var(--evidence-surface);
}

.star-language a {
  display: grid;
  place-items: center;
  min-height: 34px;
  padding: 6px 9px;
  border-right: 1px solid var(--evidence-line);
  color: var(--evidence-muted);
  font: 800 10px/1 var(--evidence-body);
  text-decoration: none;
  white-space: nowrap;
}

/* Legacy pages hide inline English copy through [lang="en"]. The global
   language route itself must remain visible regardless of that page toggle. */
body[data-shell-version="4.2"] .star-language a[lang="en"] { display: grid !important; }

.star-language a:last-child { border-right: 0; }
.star-language a:hover,
.star-language a[aria-current="page"] { background: var(--evidence-ink); color: #fff; }

.star-command-strip {
  position: relative;
  z-index: 5;
  border-bottom: 1px solid var(--evidence-ink);
  background: var(--evidence-ink);
  color: var(--evidence-surface);
}

.star-command-strip__inner {
  display: grid;
  grid-template-columns: minmax(180px, 1.5fr) repeat(5, minmax(112px, 1fr));
  width: min(100%, var(--v42-canvas));
  min-height: 66px;
  margin-inline: auto;
}

.star-command-strip__intro,
.star-command-strip__metric {
  display: grid;
  align-content: center;
  min-width: 0;
  padding: 9px 15px;
  border-right: 1px solid color-mix(in srgb, var(--evidence-surface) 24%, transparent);
}

.star-command-strip__intro {
  border-left: 1px solid color-mix(in srgb, var(--evidence-surface) 24%, transparent);
  color: #fff;
  font: 700 11px/1.4 var(--evidence-mono);
  letter-spacing: .04em;
}

.star-command-strip__intro small,
.star-command-strip__metric small {
  color: color-mix(in srgb, var(--evidence-surface) 68%, transparent);
  font: 700 9px/1.25 var(--evidence-mono);
  letter-spacing: .055em;
}

.star-command-strip__metric b {
  margin-top: 4px;
  color: #fff;
  font: 650 17px/1.05 var(--evidence-display);
  letter-spacing: -.01em;
  overflow-wrap: anywhere;
}

.star-command-strip__metric em {
  color: #f2a18e;
  font: 800 11px/1 var(--evidence-mono);
  font-style: normal;
}

.star-edge-rail {
  display: none;
}

body[data-page-family="home"][data-shell-version="4.2"] .eo-hero {
  position: relative;
  overflow: clip;
  padding-block: clamp(56px, 6vw, 104px);
  border-bottom: 1px solid var(--evidence-ink);
  background:
    linear-gradient(90deg, color-mix(in srgb, var(--evidence-steel) 7%, transparent), transparent 18%, transparent 82%, color-mix(in srgb, var(--evidence-signal) 6%, transparent)),
    color-mix(in srgb, var(--evidence-bg) 94%, white);
}

body[data-page-family="home"][data-shell-version="4.2"] .eo-hero::after {
  content: "EVIDENCE COMMAND CANVAS / LIVE REFERENCE SURFACE";
  position: absolute;
  right: 24px;
  bottom: 10px;
  color: var(--evidence-muted);
  font: 700 9px/1 var(--evidence-mono);
  letter-spacing: .08em;
  writing-mode: vertical-rl;
}

body[data-page-family="home"][data-shell-version="4.2"] .eo-hero__grid {
  grid-template-columns: minmax(0, 1.08fr) minmax(440px, .92fr);
  gap: clamp(24px, 3vw, 48px);
  align-items: stretch;
}

body[data-page-family="home"][data-shell-version="4.2"] .eo-hero__copy {
  position: relative;
  display: grid;
  align-content: center;
  min-height: 700px;
  padding: clamp(28px, 4vw, 64px) clamp(24px, 3vw, 48px) clamp(28px, 4vw, 64px) 0;
  border-right: 1px solid var(--evidence-line);
}

body[data-page-family="home"][data-shell-version="4.2"] .eo-hero__copy::before {
  content: "01 / DECISION INFRASTRUCTURE";
  position: absolute;
  top: 0;
  left: 0;
  color: var(--evidence-signal);
  font: 800 10px/1 var(--evidence-mono);
  letter-spacing: .05em;
}

body[data-page-family="home"][data-shell-version="4.2"] .eo-h1 {
  max-width: 12ch;
  font-size: clamp(54px, 4.75vw, 86px);
  line-height: .92;
}

body[data-page-family="home"][data-shell-version="4.2"] .star-hero-image {
  min-height: 300px;
  border-bottom: 0;
  aspect-ratio: 16 / 8.4;
}

body[data-page-family="home"][data-shell-version="4.2"] .eo-record {
  box-shadow: 12px 12px 0 color-mix(in srgb, var(--evidence-steel) 14%, transparent);
}

body[data-page-family="home"][data-shell-version="4.2"] .eo-section,
body[data-page-family="home"][data-shell-version="4.2"] .star-task-starter {
  position: relative;
  background: color-mix(in srgb, var(--evidence-bg) 94%, white);
}

body[data-page-family="home"][data-shell-version="4.2"] .eo-section:nth-of-type(even) {
  background: color-mix(in srgb, var(--evidence-steel) 6%, var(--evidence-bg));
}

body[data-page-family="home"][data-shell-version="4.2"] .eo-section::before,
body[data-page-family="home"][data-shell-version="4.2"] .star-task-starter::before {
  content: attr(data-v42-index);
  position: absolute;
  top: 30px;
  left: 24px;
  color: var(--evidence-steel-dark);
  font: 800 10px/1 var(--evidence-mono);
  letter-spacing: .06em;
}

/* The 16-column canvas is shared by every page family. Text stays measured;
   structure, evidence, and visuals receive the additional width. */
body[data-shell-version="4.2"] .eo-page-head {
  position: relative;
  overflow: clip;
  padding-block: 0;
  border-bottom: 1px solid var(--evidence-ink);
  background:
    linear-gradient(90deg, color-mix(in srgb, var(--evidence-steel) 7%, transparent), transparent 24%, transparent 76%, color-mix(in srgb, var(--evidence-signal) 5%, transparent)),
    var(--evidence-bg);
}

body[data-shell-version="4.2"] .eo-page-head::after {
  content: attr(data-v42-coordinate);
  position: absolute;
  right: 24px;
  bottom: 16px;
  color: var(--evidence-muted);
  font: 700 9px/1 var(--evidence-mono);
  letter-spacing: .07em;
}

body[data-shell-version="4.2"] .eo-page-head > .eo-wrap,
body[data-shell-version="4.2"] .eo-page-head__grid {
  min-height: clamp(390px, 46vw, 660px);
  padding-block: clamp(64px, 7vw, 112px);
}

body[data-shell-version="4.2"] .eo-page-head > .eo-wrap:not(.eo-page-head__grid) {
  display: grid;
  grid-template-columns: repeat(16, minmax(0, 1fr));
  gap: 0 24px;
  align-content: center;
}

body[data-shell-version="4.2"] .eo-page-head > .eo-wrap:not(.eo-page-head__grid) > * {
  grid-column: 3 / 13;
}

body[data-shell-version="4.2"] .eo-page-head > .eo-wrap:not(.eo-page-head__grid) > .eo-truth,
body[data-shell-version="4.2"] .eo-page-head > .eo-wrap:not(.eo-page-head__grid) > .eo-actions {
  justify-self: start;
}

body[data-shell-version="4.2"] .eo-page-head__grid {
  grid-template-columns: minmax(180px, 3fr) minmax(0, 10fr) minmax(240px, 3fr);
  gap: 24px;
}

body[data-shell-version="4.2"] .eo-page-head__grid > :first-child { grid-column: 1 / 3; }
body[data-shell-version="4.2"] .eo-page-head__grid > .eo-page-head__aside { grid-column: 3; }
body[data-shell-version="4.2"] .eo-page-head .eo-h1 { max-width: 13ch; }

/* Localized briefs use longer Latin and Japanese lines. Keep the editorial scale,
   but fill the command canvas instead of leaving a ceremonial empty column. */
body[data-locale-page="true"][data-shell-version="4.2"] .eo-page-head__grid {
  min-height: clamp(380px, 38vw, 540px);
  padding-block: clamp(52px, 5vw, 80px);
  align-items: center;
}

body[data-locale-page="true"][data-shell-version="4.2"] .eo-page-head__aside {
  align-self: center;
}

html[lang="en"] body[data-locale-page="true"] .eo-page-head .eo-h1 { max-width: 23ch; }
html[lang="ja"] body[data-locale-page="true"] .eo-page-head .eo-h1 { max-width: 17ch; }

body[data-shell-version="4.2"] main > .eo-section {
  overflow: clip;
  background: color-mix(in srgb, var(--evidence-bg) 95%, white);
}

body[data-shell-version="4.2"] main > .eo-section:nth-of-type(even) {
  background: color-mix(in srgb, var(--evidence-steel) 5%, var(--evidence-bg));
}

body[data-shell-version="4.2"] .eo-section-head {
  grid-template-columns: minmax(180px, 3fr) minmax(0, 7fr) minmax(240px, 3fr);
  gap: 24px;
  align-items: end;
}

body[data-shell-version="4.2"] .eo-section-head > :first-child { grid-column: 1 / 3; }
body[data-shell-version="4.2"] .eo-section-head > p:last-child { grid-column: 3; }

body[data-shell-version="4.2"] .star-page-visual,
body[data-shell-version="4.2"] .star-detail-visuals {
  width: min(calc(100% - 48px), var(--v42-canvas));
}

body[data-shell-version="4.2"] .star-page-visual {
  max-height: 720px;
  box-shadow: 14px 14px 0 color-mix(in srgb, var(--evidence-steel) 12%, transparent);
}

body[data-shell-version="4.2"] .eo-registry-row {
  grid-template-columns: 72px minmax(300px, 1.7fr) minmax(210px, .9fr) minmax(180px, .7fr) 150px;
  min-height: 148px;
}

body[data-shell-version="4.2"] .eo-atlas-layout {
  grid-template-columns: minmax(0, 11fr) minmax(300px, 5fr);
}

body[data-shell-version="4.2"] .eo-detail-hero {
  grid-template-columns: minmax(0, 10fr) minmax(360px, 6fr);
  gap: 32px;
}

body[data-shell-version="4.2"] .eo-trace li {
  grid-template-columns: 60px minmax(170px, 3fr) minmax(0, 7fr) minmax(220px, 3fr);
}

/* Legacy solution pages become dense editorial canvases instead of narrow
   two-column marketing pages. */
body[data-shell-version="4.2"] .page-hero,
body[data-shell-version="4.2"] .case-detail-hero,
body[data-shell-version="4.2"] .site-section {
  width: min(100%, var(--v42-canvas));
  max-width: var(--v42-canvas);
}

body[data-shell-version="4.2"] .page-hero,
body[data-shell-version="4.2"] .case-detail-hero {
  padding-inline: 24px;
  background: color-mix(in srgb, var(--evidence-bg) 95%, white);
}

body[data-shell-version="4.2"] .page-hero-grid {
  grid-template-columns: minmax(0, 9fr) minmax(360px, 7fr);
  gap: clamp(32px, 4vw, 64px);
}

body[data-shell-version="4.2"] .site-section {
  padding-inline: 24px;
}

@media (min-width: 1280px) {
  body[data-shell-version="4.2"] .df-section {
    display: grid;
    grid-template-columns: minmax(210px, 3fr) minmax(0, 10fr) minmax(260px, 3fr);
    gap: 24px;
    align-items: start;
  }

  body[data-shell-version="4.2"] .df-section > .df-section__head {
    grid-column: 1;
    position: sticky;
    top: calc(var(--v5-header) + var(--v5-route) + 28px);
    display: block;
    min-width: 0;
    padding-right: 20px;
    border-right: 1px solid var(--evidence-line);
  }

  body[data-shell-version="4.2"] .df-section > .df-section__head .df-section__index {
    display: block;
    margin-bottom: 42px;
    color: var(--evidence-signal);
  }

  body[data-shell-version="4.2"] .df-section > .df-section__head .section-title {
    font-size: clamp(30px, 2.7vw, 48px);
  }

  body[data-shell-version="4.2"] .df-section > :not(.df-section__head) {
    grid-column: 2 / 4;
    min-width: 0;
  }

  body[data-shell-version="4.2"] .df-section > .df-section__intro {
    max-width: 72ch;
  }

  body[data-shell-version="4.2"] .split-section {
    grid-template-columns: minmax(220px, 3fr) minmax(0, 10fr) minmax(240px, 3fr);
    gap: 24px;
  }

  body[data-shell-version="4.2"] .split-section > :first-child { grid-column: 1 / 2; }
  body[data-shell-version="4.2"] .split-section > :last-child { grid-column: 2 / 4; }
}

body[data-shell-version="4.2"] .star-next-step__inner {
  grid-template-columns: minmax(220px, 3fr) minmax(0, 10fr) minmax(240px, 3fr);
  gap: 24px;
}

body[data-shell-version="4.2"] .star-next-step__body { grid-column: 2 / 4; }

body[data-shell-version="4.2"] .star-global-footer__main {
  grid-template-columns: minmax(240px, 5fr) minmax(0, 11fr);
}

@media (min-width: 1840px) {
  .star-edge-rail {
    position: fixed;
    top: calc(var(--v5-header) + var(--v5-route) + 66px);
    bottom: 0;
    z-index: 20;
    display: grid;
    align-content: space-between;
    width: var(--v42-rail);
    padding: 22px 18px;
    border-inline: 1px solid var(--evidence-line);
    background: color-mix(in srgb, var(--evidence-bg) 95%, transparent);
    backdrop-filter: blur(10px);
    color: var(--evidence-muted);
    font: 700 10px/1.45 var(--evidence-mono);
  }

  .star-edge-rail--left { left: 0; border-left: 0; }
  .star-edge-rail--right { right: 0; border-right: 0; }
  .star-edge-rail__label { color: var(--evidence-signal); letter-spacing: .06em; }
  .star-edge-rail ol { display: grid; gap: 9px; margin: 0; padding: 0; list-style: none; }
  .star-edge-rail a { display: grid; grid-template-columns: 18px 1fr; gap: 6px; color: inherit; text-decoration: none; }
  .star-edge-rail a:hover { color: var(--evidence-ink); }
  .star-edge-rail dl { margin: 0; }
  .star-edge-rail dl div { padding-block: 8px; border-top: 1px solid var(--evidence-line); }
  .star-edge-rail dt { color: var(--evidence-muted); }
  .star-edge-rail dd { margin: 3px 0 0; color: var(--evidence-ink); overflow-wrap: anywhere; }
}

@media (max-width: 1260px) {
  .star-locale-control span { display: none; }
  .star-locale-control { margin-left: 0; padding-left: 7px; }
  .star-command-strip__inner { grid-template-columns: minmax(160px, 1.4fr) repeat(3, 1fr); }
  .star-command-strip__metric:nth-last-child(-n + 2) { display: none; }
}

@media (min-width: 1100px) and (max-width: 1420px) {
  body[data-shell-version="4.2"] .star-nav a { padding-inline: 9px; font-size: 14px; }
  body[data-shell-version="4.2"] .star-brand { min-width: 190px; padding-inline: 22px; }
  body[data-shell-version="4.2"] .star-header-action { margin-inline: 8px 14px; padding-inline: 11px; }
  .star-language { margin-left: 6px; }
  .star-language a { padding-inline: 6px; font-size: 9px; }
}

@media (max-width: 1099px) {
  body[data-shell-version="4.2"] .eo-wrap,
  body[data-shell-version="4.2"] .star-shell-wrap { width: min(calc(100% - 32px), var(--v42-canvas)); }
  body[data-page-family="home"][data-shell-version="4.2"] .eo-hero__grid {
    width: min(calc(100% - 32px), var(--v42-canvas));
    grid-template-columns: minmax(0, 1fr);
    gap: 40px;
  }
  .star-locale-control { grid-column: 1; grid-row: 1; justify-self: end; margin-right: 72px; border-left: 0; }
  body[data-shell-version="4.2"] .star-global-header { grid-template-columns: minmax(0, 1fr) auto auto; }
  body[data-shell-version="4.2"] .star-brand { grid-column: 1; grid-row: 1; }
  body[data-shell-version="4.2"] .star-language { grid-column: 2; grid-row: 1; justify-self: auto; margin: 0 6px; }
  body[data-shell-version="4.2"] .star-menu { grid-column: 3; grid-row: 1; }
  .star-command-strip { overflow-x: auto; }
  .star-command-strip__inner { min-width: 760px; }
  body[data-page-family="home"][data-shell-version="4.2"] .eo-hero__copy { min-height: 0; padding-right: 0; border-right: 0; }
  body[data-shell-version="4.2"] .eo-page-head > .eo-wrap:not(.eo-page-head__grid) { display: block; }
  body[data-shell-version="4.2"] .eo-page-head__grid,
  body[data-shell-version="4.2"] .eo-section-head,
  body[data-shell-version="4.2"] .eo-detail-hero,
  body[data-shell-version="4.2"] .star-next-step__inner { grid-template-columns: minmax(0, 1fr); }
  body[data-shell-version="4.2"] .eo-page-head__grid > :first-child,
  body[data-shell-version="4.2"] .eo-page-head__grid > .eo-page-head__aside,
  body[data-shell-version="4.2"] .eo-section-head > :first-child,
  body[data-shell-version="4.2"] .eo-section-head > p:last-child,
  body[data-shell-version="4.2"] .star-next-step__body { grid-column: 1; }
  body[data-shell-version="4.2"] .page-hero-grid { grid-template-columns: minmax(0, 1fr); }
  body[data-shell-version="4.2"] .eo-registry-row { grid-template-columns: 56px minmax(0, 1fr) 138px; }
  body[data-shell-version="4.2"] .eo-trace li { grid-template-columns: 48px minmax(150px, .55fr) minmax(0, 1fr); }
}

@media (max-width: 760px) {
  .star-locale-control { margin-right: 64px; }
  .star-locale-control select { width: 70px; padding-right: 16px; }
  body[data-shell-version="4.2"] .star-language { margin-inline: 2px; }
  .star-language a { padding-inline: 5px; font-size: 8px; }
  .star-command-strip__inner { min-width: 680px; min-height: 58px; }
  .star-command-strip__intro, .star-command-strip__metric { padding-inline: 11px; }
  body[data-page-family="home"][data-shell-version="4.2"] .eo-hero::after { display: none; }
  body[data-page-family="home"][data-shell-version="4.2"] .eo-h1 { max-width: none; font-size: clamp(38px, 10.5vw, 46px); line-height: .98; }
  body[data-shell-version="4.2"] .star-task-route__inner,
  body[data-shell-version="4.2"] .star-command-strip { scrollbar-width: none; }
  body[data-shell-version="4.2"] .star-task-route__inner::-webkit-scrollbar,
  body[data-shell-version="4.2"] .star-command-strip::-webkit-scrollbar { display: none; }
  body[data-shell-version="4.2"] .star-global-footer__main { grid-template-columns: minmax(0, 1fr); }
  body[data-shell-version="4.2"] .star-global-footer nav { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  .star-edge-rail { backdrop-filter: none; }
}

@media print {
  .star-command-strip, .star-edge-rail, .star-locale-control, .star-language { display: none !important; }
}

/* Four editorial story bands turn the home page into a continuous evidence narrative. */
.star-story-visual {
  width: min(1600px, calc(100% - 48px));
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 11fr) minmax(300px, 5fr);
  min-height: 430px;
  border-top: 1px solid var(--eo-line, rgba(17, 24, 39, .18));
  border-bottom: 1px solid var(--eo-line, rgba(17, 24, 39, .18));
  background: #f3f2ed;
  overflow: hidden;
}

.star-story-visual__media {
  min-width: 0;
  background: #0f1112;
}

.star-story-visual__media img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 430px;
  object-fit: cover;
}

.star-story-visual figcaption {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 28px;
  padding: clamp(28px, 3.2vw, 56px);
  border-left: 1px solid var(--eo-line, rgba(17, 24, 39, .18));
}

.star-story-visual figcaption span,
.star-story-visual figcaption small {
  font: 700 11px/1.4 var(--eo-mono, ui-monospace, monospace);
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--eo-muted, #5d646b);
}

.star-story-visual figcaption strong {
  max-width: 15ch;
  font: 560 clamp(25px, 2.1vw, 38px)/1.13 var(--eo-display, sans-serif);
  letter-spacing: -.035em;
  color: var(--eo-ink, #111518);
}

.star-story-visual--atlas,
.star-story-visual--governance {
  background: #111517;
  color: #f5f2e9;
}

.star-story-visual--atlas figcaption,
.star-story-visual--governance figcaption {
  order: -1;
  border-left: 0;
  border-right: 1px solid rgba(255,255,255,.2);
}

.star-story-visual--atlas figcaption strong,
.star-story-visual--governance figcaption strong {
  color: #f5f2e9;
}

.star-story-visual--atlas figcaption span,
.star-story-visual--atlas figcaption small,
.star-story-visual--governance figcaption span,
.star-story-visual--governance figcaption small {
  color: #aeb8bd;
}

@media (max-width: 900px) {
  .star-story-visual {
    width: calc(100% - 28px);
    grid-template-columns: 1fr;
    min-height: 0;
  }

  .star-story-visual__media img {
    min-height: 0;
    aspect-ratio: 16 / 10;
  }

  .star-story-visual figcaption,
  .star-story-visual--atlas figcaption,
  .star-story-visual--governance figcaption {
    order: initial;
    min-height: 240px;
    border: 0;
    border-top: 1px solid var(--eo-line, rgba(17, 24, 39, .18));
  }

  .star-story-visual figcaption strong {
    max-width: 22ch;
  }
}