:root {
  --navy: #071c36;
  --navy-2: #0c2b4f;
  --blue: #176fbd;
  --blue-light: #dceefe;
  --ink: #122033;
  --muted: #5a6878;
  --paper: #f3efe5;
  --paper-deep: #e7dfcf;
  --white: #ffffff;
  --line: #cfd7df;
  --gold: #b99855;
  --red: #b22a32;
  --shadow: 0 12px 32px rgba(7, 28, 54, 0.12);
  --header-height: 56px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 92px;
  background: var(--navy);
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background: var(--white);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN", "Yu Gothic", "YuGothic", "Noto Sans JP", sans-serif;
  font-size: 15px;
  line-height: 1.72;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
}

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

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

button,
summary,
a {
  -webkit-tap-highlight-color: rgba(23, 111, 189, 0.18);
}

:focus-visible {
  outline: 3px solid #ffcc58;
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 8px;
  left: 8px;
  transform: translateY(-160%);
  padding: 10px 14px;
  color: var(--white);
  background: var(--navy);
}

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

.mobile-header {
  position: sticky;
  z-index: 100;
  top: 0;
  color: var(--white);
  background: var(--navy);
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}

.header-row {
  height: var(--header-height);
  padding: 0 max(14px, env(safe-area-inset-left));
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto 58px;
  align-items: center;
  gap: 8px;
}

.wordmark {
  min-width: 0;
  min-height: 44px;
  display: flex;
  align-items: baseline;
  gap: 7px;
  text-decoration: none;
}

.wordmark span {
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.wordmark small {
  color: #91b7d8;
  font-size: 9px;
  letter-spacing: 0.09em;
  white-space: nowrap;
}

.header-location {
  color: #bcd2e5;
  font-size: 10px;
  letter-spacing: 0.08em;
  white-space: nowrap;
}

.menu-toggle {
  width: 58px;
  min-height: 44px;
  padding: 3px 0;
  display: grid;
  place-items: center;
  gap: 1px;
  color: var(--white);
  background: transparent;
  border: 0;
  font: inherit;
  font-size: 10px;
  cursor: pointer;
}

.menu-toggle span:first-child {
  width: 20px;
  height: 12px;
  position: relative;
  border-top: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
}

.menu-toggle span:first-child::after {
  content: "";
  position: absolute;
  top: 4px;
  left: 0;
  width: 20px;
  border-top: 2px solid currentColor;
}

.mobile-nav {
  display: none;
  grid-template-columns: repeat(3, 1fr);
  padding: 8px 12px 12px;
  background: #0b2747;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.mobile-nav.is-open {
  display: grid;
}

.mobile-nav a {
  min-height: 46px;
  display: grid;
  place-items: center;
  color: #eef7ff;
  font-size: 12px;
  text-decoration: none;
  border-right: 1px solid rgba(255, 255, 255, 0.1);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.mobile-nav a:nth-child(3n) {
  border-right: 0;
}

.mobile-nav a[aria-current="page"] {
  color: #071c36;
  background: #f3c963;
  font-weight: 800;
}

.review-bar {
  min-height: 24px;
  display: grid;
  place-items: center;
  color: #1f2f3f;
  background: #f3c963;
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.14em;
}

.review-bar:empty {
  display: none;
}

.section-shell {
  width: min(100% - 32px, 1180px);
  margin-inline: auto;
}

.hero {
  color: var(--white);
  background:
    radial-gradient(circle at 88% 12%, rgba(45, 135, 209, 0.34), transparent 31%),
    linear-gradient(155deg, #071c36 0%, #0a2b4f 66%, #0e3c67 100%);
  border-bottom: 4px solid var(--gold);
}

.hero-copy {
  padding-block: 22px 24px;
}

.overline,
.section-number {
  margin: 0 0 8px;
  color: var(--blue);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.16em;
}

.hero .overline {
  color: #91c8f4;
}

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

h1,
h2 {
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-weight: 700;
  text-wrap: balance;
}

h1 {
  max-width: 340px;
  margin-bottom: 12px;
  font-size: clamp(32px, 9.5vw, 40px);
  line-height: 1.22;
  letter-spacing: 0.015em;
}

.hero-lead {
  margin-bottom: 18px;
  color: #e5eff8;
  font-size: 14px;
  line-height: 1.75;
}

.hero-visual {
  display: grid;
  grid-template-columns: 44% 56%;
  overflow: hidden;
  color: var(--ink);
  background: var(--paper);
  box-shadow: var(--shadow);
}

.hero-visual figure {
  min-width: 0;
  margin: 0;
}

.hero-photo {
  position: relative;
  border-right: 1px solid #b9c5cf;
}

.hero-photo img {
  width: 100%;
  height: 224px;
  object-fit: cover;
  object-position: 48% 55%;
}

.hero-visual figcaption {
  min-height: 50px;
  padding: 8px 9px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  line-height: 1.28;
}

.hero-visual figcaption strong {
  color: var(--navy);
  font-size: 12px;
}

.hero-visual figcaption span {
  color: var(--muted);
  font-size: 9px;
}

.hero-locator {
  display: grid;
  grid-template-rows: 224px 50px;
}

.hero-locator svg {
  width: 100%;
  height: 224px;
  background: #eaf1f4;
}

.hero-locator .river {
  fill: none;
  stroke: #86bfd9;
  stroke-width: 10;
  opacity: 0.8;
}

.hero-locator .rail,
.hero-locator .connector {
  fill: none;
  stroke: #8292a2;
  stroke-width: 2;
  stroke-dasharray: 4 3;
}

.hero-locator .connector {
  stroke-width: 1;
  stroke-dasharray: none;
}

.map-point circle {
  fill: var(--blue);
  stroke: var(--white);
  stroke-width: 2;
}

.map-point.small circle {
  fill: var(--red);
}

.map-point.primary circle {
  fill: var(--navy);
  stroke: #f3c963;
  stroke-width: 3;
}

.map-point text {
  fill: var(--navy);
  font-size: 10px;
  font-weight: 800;
}

.north path {
  fill: var(--navy);
}

.north text {
  fill: var(--navy);
  font-size: 8px;
  font-weight: 800;
}

.hero-actions {
  margin-top: 16px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
}

.primary-action,
.official-action {
  min-height: 50px;
  padding: 12px 16px;
  display: grid;
  place-items: center;
  font-weight: 800;
  text-align: center;
  text-decoration: none;
}

.primary-action {
  color: var(--navy);
  background: var(--white);
}

.text-action {
  min-height: 48px;
  padding: 10px 2px;
  display: grid;
  place-items: center;
  color: #e6f2fc;
  font-size: 11px;
  text-decoration: none;
}

.micro-credit {
  margin: 12px 0 0;
  color: #aec5d8;
  font-size: 9px;
  line-height: 1.55;
}

.section-block {
  padding-block: 48px;
  scroll-margin-top: 92px;
}

.paper-block {
  background: var(--paper);
}

.white-block {
  background: var(--white);
}

.navy-block {
  color: var(--white);
  background:
    linear-gradient(135deg, rgba(29, 112, 181, 0.17), transparent 42%),
    var(--navy);
}

.section-heading {
  margin-bottom: 22px;
}

.section-heading h2 {
  margin-bottom: 10px;
  color: var(--navy);
  font-size: clamp(27px, 7.3vw, 36px);
  line-height: 1.33;
  letter-spacing: 0.015em;
}

.section-heading > p:last-child {
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.75;
}

.navy-block .section-heading h2,
.navy-block .section-heading > p:last-child {
  color: var(--white);
}

.navy-block .section-number {
  color: #85c9ff;
}

.compact-heading {
  margin-bottom: 18px;
}

.three-ledger,
.price-three {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 6px;
}

.three-ledger article {
  min-height: 132px;
  padding: 12px 7px;
  display: flex;
  flex-direction: column;
  border-top: 3px solid var(--blue);
  border-bottom: 1px solid #aebbc7;
  background: rgba(255, 255, 255, 0.52);
}

.three-ledger span,
.price-three span {
  color: var(--muted);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.three-ledger strong {
  margin-block: 12px 8px;
  color: var(--navy);
  font-size: clamp(15px, 4.1vw, 18px);
  line-height: 1.25;
}

.three-ledger strong em {
  margin-left: 2px;
  font-size: 9px;
  font-style: normal;
  font-weight: 700;
}

.three-ledger small {
  margin-top: auto;
  color: var(--muted);
  font-size: 9px;
  line-height: 1.45;
}

.source-line {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 10px;
  line-height: 1.65;
}

.conclusion-line {
  margin: 18px 0 0;
  padding: 14px 14px 14px 52px;
  position: relative;
  color: var(--navy);
  background: var(--white);
  border-left: 3px solid var(--gold);
  font-weight: 700;
}

.conclusion-line span {
  position: absolute;
  top: 16px;
  left: 10px;
  color: #806529;
  font-size: 10px;
  letter-spacing: 0.08em;
}

.source-details {
  margin-top: 14px;
  border-top: 1px solid #adb8c2;
  border-bottom: 1px solid #adb8c2;
}

.source-details summary {
  min-height: 48px;
  padding: 12px 28px 12px 0;
  position: relative;
  display: flex;
  align-items: center;
  color: var(--navy);
  font-size: 12px;
  font-weight: 800;
  cursor: pointer;
  list-style: none;
}

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

.source-details summary::after {
  content: "+";
  position: absolute;
  right: 5px;
  font-size: 19px;
  font-weight: 400;
}

.source-details[open] summary::after {
  content: "−";
}

.source-details > div {
  padding-bottom: 14px;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.7;
}

.source-details p:last-child {
  margin-bottom: 0;
}

.detail-meta {
  color: #6b7885;
  font-size: 10px;
}

.section-link {
  min-height: 50px;
  margin-top: 18px;
  padding: 10px 2px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--blue);
  font-weight: 800;
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

.airport-overview {
  margin: 0 0 14px;
  background: #ecf2f5;
  border: 1px solid #c5d1da;
}

.airport-overview svg {
  width: 100%;
  height: 160px;
}

.airport-overview figcaption {
  padding: 9px 12px;
  color: var(--muted);
  font-size: 9px;
  line-height: 1.45;
  border-top: 1px solid #c5d1da;
}

.bay {
  fill: none;
  stroke: #8cc0d8;
  stroke-width: 11;
  opacity: 0.75;
}

.route-line {
  fill: none;
  stroke: #83919e;
  stroke-width: 2;
  stroke-dasharray: 4 4;
}

.overview-point circle {
  fill: var(--red);
  stroke: var(--white);
  stroke-width: 2;
}

.overview-point.core circle {
  fill: var(--blue);
}

.overview-point.yoshiwara circle {
  fill: var(--navy);
  stroke: #f3c963;
}

.overview-point text {
  fill: var(--navy);
  font-size: 10px;
  font-weight: 800;
}

.overview-point .direction {
  fill: var(--muted);
  font-size: 8px;
  font-weight: 600;
}

.entry-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px;
}

.entry-grid p {
  min-height: 76px;
  margin: 0;
  padding: 10px 11px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: var(--paper);
  border-left: 3px solid var(--gold);
}

.entry-grid strong {
  color: var(--navy);
  font-size: 12px;
}

.entry-grid span {
  color: var(--muted);
  font-size: 10px;
  line-height: 1.45;
}

.map-figure {
  margin: 14px 0 0;
}

.gsi-map {
  height: 300px;
  position: relative;
  overflow: hidden;
  background: #dfe8eb;
  border: 1px solid #aab7c2;
}

.access-overview-map {
  height: 420px;
}

.map-canvas {
  position: absolute;
  inset: 0;
}

.map-tile {
  width: 256px;
  height: 256px;
  position: absolute;
  max-width: none;
}

.map-shade {
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.05);
  pointer-events: none;
}

.map-marker {
  width: 1px;
  height: 1px;
  position: absolute;
  z-index: 3;
}

.map-marker-dot {
  width: 12px;
  height: 12px;
  position: absolute;
  top: -6px;
  left: -6px;
  background: var(--red);
  border: 2px solid var(--white);
  border-radius: 50%;
  box-shadow: 0 2px 6px rgba(7, 28, 54, 0.28);
}

.map-marker.primary .map-marker-dot {
  width: 15px;
  height: 15px;
  top: -7px;
  left: -7px;
  background: var(--blue);
  border-color: var(--white);
}

.map-marker-label {
  position: absolute;
  top: 8px;
  left: 8px;
  padding: 2px 5px;
  color: var(--navy);
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(7, 28, 54, 0.2);
  font-size: 9px;
  font-weight: 800;
  line-height: 1.2;
  white-space: nowrap;
}

.map-figure figcaption {
  padding: 9px 2px 0;
  display: grid;
  gap: 4px;
  color: var(--muted);
  font-size: 9px;
  line-height: 1.45;
}

.map-figure figcaption a {
  color: #435c70;
}

.access-note {
  margin-top: 16px;
  padding: 14px;
  color: var(--navy);
  background: var(--blue-light);
  border-left: 3px solid var(--blue);
}

.access-note strong {
  font-size: 11px;
  letter-spacing: 0.04em;
}

.access-note p {
  margin: 4px 0 0;
  font-size: 12px;
  line-height: 1.7;
}

.price-three article {
  min-height: 142px;
  padding: 12px 5px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  border-top: 3px solid #7fc2f4;
  border-bottom: 1px solid rgba(255, 255, 255, 0.35);
  background: rgba(255, 255, 255, 0.07);
}

.price-three span {
  color: #bddbf2;
}

.price-three strong {
  min-height: 53px;
  margin-block: 10px 6px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  color: var(--white);
  font-size: clamp(15px, 4vw, 18px);
  line-height: 1.18;
}

.price-three strong em {
  margin-top: 3px;
  color: #dcebf7;
  font-size: 9px;
  font-style: normal;
  font-weight: 600;
}

.price-three small {
  color: #9fc3df;
  font-size: 8px;
}

.dark-conclusion {
  margin: 18px 0 0;
  padding: 14px;
  color: #e9f3fb;
  background: rgba(255, 255, 255, 0.08);
  border-left: 3px solid var(--gold);
  font-size: 12px;
  font-weight: 700;
}

.dark-details {
  border-color: rgba(255, 255, 255, 0.3);
}

.dark-details summary,
.dark-details > div {
  color: #d7e8f5;
}

.light-link {
  color: #8fd0ff;
}

.dual-links {
  display: grid;
  gap: 0;
}

.dual-links .section-link {
  margin-top: 8px;
}

.purpose-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.purpose-grid a {
  min-height: 130px;
  padding: 16px 14px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  text-decoration: none;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.purpose-grid a::after {
  content: "→";
  margin-top: 8px;
  color: var(--blue);
  font-weight: 800;
}

.purpose-grid span {
  color: var(--gold);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.purpose-grid strong {
  margin-top: 3px;
  color: var(--navy);
  font-size: 16px;
}

.purpose-grid small {
  color: var(--muted);
  font-size: 10px;
}

.history-pair {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.history-pair figure {
  min-width: 0;
  margin: 0;
  background: var(--white);
  border: 1px solid #c3bbaa;
}

.history-pair img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

.history-pair figure:first-child img {
  object-position: 50% 65%;
}

.history-pair figure:last-child img {
  object-position: 50% 28%;
}

.history-pair figcaption {
  min-height: 62px;
  padding: 9px;
  display: flex;
  flex-direction: column;
  line-height: 1.35;
}

.history-pair figcaption strong {
  color: #8d6d2d;
  font-size: 9px;
  letter-spacing: 0.12em;
}

.history-pair figcaption span {
  margin-top: 4px;
  color: var(--navy);
  font-size: 10px;
  font-weight: 700;
}

.history-caption {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.7;
}

.handoff-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.handoff-grid article {
  min-height: 154px;
  padding: 15px 12px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.handoff-grid article:last-child {
  background: var(--blue-light);
}

.handoff-grid span {
  color: var(--blue);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.handoff-grid strong {
  margin-top: 7px;
  display: block;
  color: var(--navy);
  font-size: 15px;
  line-height: 1.4;
}

.handoff-grid p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 10px;
  line-height: 1.6;
}

.official-action {
  margin-top: 14px;
  color: var(--white);
  background: var(--blue);
}

.site-footer {
  padding-block: 32px calc(32px + env(safe-area-inset-bottom));
  color: #d7e2ec;
  background: #06172a;
}

.footer-inner > strong {
  color: var(--white);
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: 16px;
}

.footer-inner > p {
  margin: 7px 0 14px;
  color: #9fb2c3;
  font-size: 10px;
}

.footer-inner nav {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
}

.footer-inner nav a {
  min-width: 44px;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #d7e2ec;
  font-size: 11px;
}

@media (min-width: 720px) {
  .header-row {
    width: min(100% - 48px, 1180px);
    margin-inline: auto;
    grid-template-columns: minmax(0, 1fr) auto 64px;
  }

  .section-shell {
    width: min(100% - 64px, 1180px);
  }

  .hero-copy {
    padding-block: 48px 42px;
    display: grid;
    grid-template-columns: minmax(0, 0.88fr) minmax(430px, 1.12fr);
    column-gap: 48px;
    align-items: center;
  }

  .hero-copy > .overline,
  .hero-copy > h1,
  .hero-copy > .hero-lead,
  .hero-copy > .hero-actions,
  .hero-copy > .micro-credit {
    grid-column: 1;
  }

  .hero-visual {
    grid-column: 2;
    grid-row: 1 / span 5;
  }

  .hero-actions {
    grid-template-columns: minmax(220px, 1fr) auto;
  }

  .section-block {
    padding-block: 72px;
  }

  .section-heading {
    display: grid;
    grid-template-columns: minmax(250px, 0.85fr) minmax(320px, 1.15fr);
    column-gap: 48px;
    align-items: start;
  }

  .section-heading .section-number {
    grid-column: 1;
  }

  .section-heading h2 {
    grid-column: 1;
  }

  .section-heading > p:last-child {
    grid-column: 2;
    grid-row: 1 / span 2;
    padding-top: 22px;
  }

  .three-ledger article,
  .price-three article {
    min-height: 170px;
    padding: 24px;
  }

  .three-ledger strong {
    font-size: 22px;
  }

  .location-grid-desktop {
    display: grid;
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  }

  .airport-overview {
    max-width: 760px;
  }

  .entry-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .gsi-map {
    height: 420px;
  }

  .purpose-grid,
  .handoff-grid {
    max-width: 860px;
    margin-inline: auto;
  }

  .purpose-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .site-index-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    max-width: 980px;
  }

  .dual-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 28px;
  }

  .history-pair {
    max-width: 860px;
    margin-inline: auto;
    gap: 18px;
  }

  .history-pair img {
    height: 330px;
  }

  .handoff-grid article {
    padding: 24px;
  }
}

@media (min-width: 1100px) {
  h1 {
    font-size: 54px;
  }

  .hero-photo img,
  .hero-locator svg {
    height: 300px;
  }

  .hero-locator {
    grid-template-rows: 300px 50px;
  }

  .three-ledger,
  .price-three {
    gap: 14px;
  }

  .section-heading h2 {
    font-size: 40px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

/* Shared mobile-first article pages */
.page-hero {
  padding-block: 24px 28px;
  color: var(--white);
  background:
    radial-gradient(circle at 90% 0%, rgba(45, 135, 209, 0.34), transparent 34%),
    linear-gradient(155deg, #071c36 0%, #0a2b4f 72%, #0e3c67 100%);
  border-bottom: 4px solid var(--gold);
}

.breadcrumb {
  margin: 0 0 20px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 4px 8px;
  color: #a9c6dd;
  font-size: 10px;
}

.breadcrumb a {
  min-width: 44px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #d9ebf8;
}

.page-kicker {
  margin: 0 0 8px;
  color: #8dc9f6;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.15em;
}

.page-hero h1 {
  margin: 0;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: clamp(34px, 10vw, 48px);
  line-height: 1.18;
  letter-spacing: 0.02em;
}

.page-lead {
  margin: 14px 0 0;
  color: #edf6fc;
  font-size: 15px;
  line-height: 1.75;
}

.page-hero-visual {
  margin: 22px 0 0;
  overflow: hidden;
  background: #0d2e52;
  border: 1px solid rgba(255, 255, 255, 0.24);
}

.page-hero-visual img {
  width: 100%;
  height: 210px;
  object-fit: cover;
}

.page-hero-visual figcaption {
  padding: 10px 12px;
  color: #c7dced;
  font-size: 9px;
  line-height: 1.55;
}

.quick-facts {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 6px;
}

.quick-facts article {
  min-width: 0;
  min-height: 92px;
  padding: 10px 7px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: rgba(255, 255, 255, 0.08);
  border-top: 2px solid #78bee9;
}

.quick-facts span {
  color: #9fc3df;
  font-size: 8px;
  font-weight: 800;
}

.quick-facts strong {
  margin-top: 4px;
  color: var(--white);
  font-size: 13px;
  line-height: 1.35;
}

.content-section {
  padding-block: 42px;
  background: var(--white);
}

.content-section.paper {
  background: var(--paper);
}

.content-section.navy {
  color: var(--white);
  background: var(--navy);
}

.section-intro {
  margin-bottom: 20px;
}

.section-intro .section-number {
  margin-bottom: 7px;
}

.section-intro h2 {
  margin: 0;
  color: var(--navy);
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: clamp(25px, 7vw, 36px);
  line-height: 1.35;
}

.section-intro p:last-child {
  margin: 10px 0 0;
  color: var(--muted);
}

.navy .section-intro h2,
.navy .section-intro p:last-child {
  color: var(--white);
}

.navy .section-number {
  color: #85c9ff;
}

.two-grid,
.three-grid,
.card-grid,
.photo-grid,
.page-link-grid,
.source-grid {
  display: grid;
  gap: 10px;
}

.two-grid,
.page-link-grid,
.photo-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.three-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 6px;
}

.info-card,
.route-card,
.source-card {
  min-width: 0;
  padding: 16px;
  background: var(--white);
  border: 1px solid var(--line);
  border-top: 3px solid var(--blue);
}

.info-card h3,
.route-card h3,
.source-card h3 {
  margin: 0;
  color: var(--navy);
  font-size: 15px;
  line-height: 1.4;
}

.info-card p,
.route-card p,
.source-card p {
  margin: 7px 0 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.65;
}

.info-card small,
.route-card small,
.source-card small {
  display: block;
  margin-top: 9px;
  color: #6d7884;
  font-size: 9px;
  line-height: 1.55;
}

.source-card a {
  min-height: 44px;
  margin-top: 7px;
  display: flex;
  align-items: center;
  color: var(--blue);
  font-size: 11px;
  font-weight: 800;
}

.compact-card {
  min-height: 128px;
  padding: 13px 8px;
  text-align: center;
}

.compact-card strong {
  display: block;
  margin-top: 9px;
  color: var(--navy);
  font-size: clamp(17px, 4.6vw, 21px);
  line-height: 1.2;
}

.compact-card strong em {
  display: block;
  margin-top: 3px;
  font-size: 9px;
  font-style: normal;
}

.compact-card p {
  font-size: 9px;
  line-height: 1.45;
}

.stat-card strong {
  display: block;
  margin: 8px 0;
  color: var(--navy);
  font-size: clamp(23px, 7vw, 34px);
  line-height: 1;
}

.stat-card strong em {
  margin-left: 2px;
  font-size: 10px;
  font-style: normal;
}

.fact-note,
.plain-note {
  margin: 15px 0 0;
  padding: 13px 14px;
  color: var(--navy);
  background: var(--blue-light);
  border-left: 3px solid var(--blue);
  font-size: 11px;
  line-height: 1.7;
}

.plain-note strong {
  display: block;
  margin-bottom: 3px;
}

.meta-line {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 9px;
  line-height: 1.55;
}

.step-list,
.check-list,
.timeline-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.step-list {
  counter-reset: step;
}

.step-list li {
  counter-increment: step;
  padding: 17px 0 17px 48px;
  position: relative;
  border-top: 1px solid var(--line);
}

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

.step-list li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  top: 17px;
  left: 0;
  color: var(--gold);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.step-list h3,
.check-list strong {
  margin: 0;
  color: var(--navy);
  font-size: 15px;
}

.step-list p,
.check-list p {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.check-list li {
  padding: 14px 0 14px 28px;
  position: relative;
  border-bottom: 1px solid var(--line);
}

.check-list li::before {
  content: "✓";
  position: absolute;
  top: 14px;
  left: 2px;
  color: var(--blue);
  font-weight: 900;
}

.taxi-script {
  margin: 18px 0 0;
  padding: 18px;
  color: var(--white);
  background: var(--navy);
  border-left: 4px solid var(--gold);
}

.taxi-script span {
  color: #a9cbe4;
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.taxi-script p {
  margin: 8px 0 0;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: 18px;
  line-height: 1.55;
}

.photo-card {
  min-width: 0;
  margin: 0;
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--line);
}

.photo-card img {
  width: 100%;
  height: 190px;
  object-fit: cover;
}

.photo-card.contain img {
  object-fit: contain;
  background: #e8e1d4;
}

.photo-card figcaption {
  padding: 11px;
  color: var(--muted);
  font-size: 9px;
  line-height: 1.55;
}

.photo-card figcaption strong {
  display: block;
  color: var(--navy);
  font-size: 12px;
}

.timeline-list li {
  padding: 0 0 22px 56px;
  position: relative;
  border-left: 1px solid #b6c4d0;
}

.timeline-list time {
  position: absolute;
  top: 0;
  left: 10px;
  color: var(--blue);
  font-size: 11px;
  font-weight: 900;
}

.timeline-list h3 {
  margin: 0;
  color: var(--navy);
  font-size: 14px;
}

.timeline-list p {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.page-link-grid a {
  min-height: 112px;
  padding: 14px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  color: var(--navy);
  background: var(--white);
  border: 1px solid var(--line);
  text-decoration: none;
}

.page-link-grid a strong {
  font-size: 14px;
}

.page-link-grid a span {
  margin-top: 4px;
  color: var(--muted);
  font-size: 9px;
  line-height: 1.5;
}

.page-link-grid a::after {
  content: "→";
  margin-top: 8px;
  color: var(--blue);
  font-weight: 900;
}

.official-panel {
  padding: 20px;
  color: var(--white);
  background: linear-gradient(135deg, #0b3159, #176fbd);
  border-top: 4px solid var(--gold);
}

.official-panel h2,
.official-panel h3 {
  margin: 0;
  color: var(--white);
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  line-height: 1.35;
}

.official-panel p {
  color: #e5f2fc;
  font-size: 12px;
}

.official-panel a {
  min-height: 48px;
  margin-top: 12px;
  padding: 10px 13px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--navy);
  background: var(--white);
  font-size: 12px;
  font-weight: 900;
  text-decoration: none;
}

.simple-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 11px;
}

.simple-table th,
.simple-table td {
  padding: 11px 9px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
}

.simple-table th {
  color: var(--navy);
  font-weight: 800;
}

.simple-table td {
  color: var(--muted);
}

.page-menu-note {
  margin: 0;
  padding: 12px 16px;
  color: var(--navy);
  background: #f7d985;
  font-size: 10px;
  font-weight: 800;
  text-align: center;
}

@media (min-width: 720px) {
  .page-hero {
    padding-block: 42px 48px;
  }

  .page-hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 0.95fr) minmax(380px, 1.05fr);
    gap: 48px;
    align-items: center;
  }

  .page-hero-visual {
    margin-top: 0;
  }

  .page-hero-visual img {
    height: 340px;
  }

  .quick-facts {
    max-width: 620px;
    gap: 10px;
  }

  .content-section {
    padding-block: 70px;
  }

  .section-intro {
    display: grid;
    grid-template-columns: minmax(260px, 0.85fr) minmax(360px, 1.15fr);
    column-gap: 48px;
  }

  .section-intro .section-number,
  .section-intro h2 {
    grid-column: 1;
  }

  .section-intro p:last-child {
    grid-column: 2;
    grid-row: 1 / span 2;
    padding-top: 18px;
  }

  .two-grid,
  .source-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }

  .card-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

  .three-grid {
    gap: 14px;
  }

  .info-card,
  .route-card,
  .source-card {
    padding: 22px;
  }

  .compact-card {
    min-height: 170px;
    padding: 24px 18px;
  }

  .photo-grid {
    gap: 18px;
  }

  .photo-card img {
    height: 330px;
  }

  .page-link-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
  }

  .official-panel {
    padding: 32px;
  }
}