:root {
  color-scheme: light;
  --ink: #132a38;
  --teal: #087c83;
  --teal-dark: #056369;
  --muted: #596b75;
  --line: #dce3e7;
  --canvas: #f3f7f8;
  --white: #fff;
  --font-sans: -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  --portal-sticky-top: 116px;
  font-family: var(--font-sans);
  color: var(--ink);
  background: var(--white);
}
.wordmark-lockup { display: flex; align-items: center; width: var(--lockup-width, 280px); height: var(--lockup-height, 52px); flex: 0 1 var(--lockup-width, 280px); min-width: 0; }
.wordmark-lockup img { display: block; width: 100%; height: 100%; object-fit: contain; }
.brand-symbol { display: block; width: 64px; height: 64px; flex: 0 0 64px; }
.brand-symbol img { display: block; width: 100%; height: 100%; object-fit: contain; }

/* Data pages share identity and navigation without inheriting landing-page layout. */
.data-header { position: sticky; top: 0; z-index: 30; background: var(--white); border-bottom: 1px solid var(--line); }
.data-header-inner { display: flex; align-items: center; gap: 28px; min-height: 96px; max-width: 1512px; margin: auto; padding: 14px 36px; box-sizing: border-box; }
.data-header .wordmark-lockup { flex-shrink: 0; margin-right: auto; }
.data-nav { display: flex; align-items: center; gap: 24px; }
.data-nav a { display: inline-flex; align-items: center; min-height: 44px; color: var(--ink); font-size: 15px; font-weight: 650; text-decoration: none; white-space: nowrap; }
.data-nav a[aria-current=page], .data-nav a:hover { color: var(--teal); text-decoration: underline; text-underline-offset: 7px; }
.data-service-link { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 0 18px; border: 1px solid var(--teal); border-radius: 6px; color: var(--teal); font-size: 14px; font-weight: 650; text-decoration: none; white-space: nowrap; }
.data-service-link:hover { color: var(--white); background: var(--teal); }
.data-header a:focus-visible, .data-footer a:focus-visible { outline: 3px solid #52bbc1; outline-offset: 4px; }
.data-skip-link { position: fixed; z-index: 100; top: -100px; left: 16px; padding: 12px 18px; color: var(--ink); background: var(--white); }
.data-skip-link:focus { top: 12px; }
.data-footer { border-top: 1px solid var(--line); background: var(--white); }
.data-footer > div { display: flex; align-items: center; justify-content: space-between; gap: 24px; width: min(1280px, calc(100% - 64px)); margin: auto; padding-block: 32px; }
.data-footer p { margin: 0; font-size: 13px; color: var(--muted); }
.data-footer nav { display: flex; gap: 28px; }
.data-footer a { color: var(--ink); font-size: 14px; text-decoration: none; }
@media (max-width: 1100px) {
  .data-header-inner { gap: 20px; padding-inline: 24px; }
  .data-header .wordmark-lockup { --lockup-width: 250px; }
  .data-nav { gap: 16px; }
  .data-nav a { font-size: 14px; }
}
@media (max-width: 900px) {
  :root { --portal-sticky-top: 136px; }
  .data-header-inner { display: grid; grid-template-columns: minmax(0, 1fr) auto; min-height: auto; gap: 0 12px; padding: 12px 18px 0; }
  .data-header .wordmark-lockup { width: clamp(180px, 54vw, 250px); max-width: 100%; height: 46px; }
  .data-nav { grid-row: 2; grid-column: 1 / -1; justify-content: space-between; gap: 4px; width: 100%; }
  .data-nav a { min-height: 48px; padding-inline: 3px; font-size: clamp(12px, 3.2vw, 14px); }
  .data-service-link { grid-row: 1; grid-column: 2; min-height: 36px; padding-inline: 8px; font-size: 12px; }
  .data-footer > div { width: calc(100% - 36px); flex-wrap: wrap; }
  .data-footer nav { gap: 24px; }
}
@media (max-width: 720px) {
  .site-header .wordmark-lockup { width: 210px; flex-basis: 210px; height: 46px; max-width: calc(100% - 90px); }
}