.regional-airport-landing,
.regional-airport-article,
.regional-airport-complete {
  --airport-ink: #173f48;
  --airport-accent: #ef6a50;
  --airport-soft: #d8eee8;
  --airport-paper: #fffdf8;
  --airport-line: #b8c8c6;
  display: grid;
  gap: clamp(1.2rem, 3vw, 3.4rem);
}

.regional-airport--new-chitose-airport { --airport-accent: #4f7691; --airport-soft: #dceaf0; }
.regional-airport--naha-airport { --airport-accent: #cd684e; --airport-soft: #d9eee9; }
.regional-airport--chubu-centrair-airport { --airport-accent: #95713c; --airport-soft: #e9e4d7; }

.regional-airport-hero,
.regional-airport-complete__lead {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(20rem, .82fr);
  overflow: hidden;
  border: 1px solid var(--airport-line);
  border-radius: clamp(1.4rem, 3vw, 3.3rem);
  background: var(--airport-paper);
}

.regional-airport-hero > div,
.regional-airport-complete__lead > div {
  align-self: center;
  padding: clamp(1.5rem, 4vw, 4.4rem);
}

.regional-airport-hero h2,
.regional-airport-complete__lead h2,
.regional-airport-article__lead h2 {
  max-width: 15ch;
  margin: .45rem 0 1rem;
  color: var(--airport-ink);
  font-family: var(--font-display);
  font-size: clamp(2.3rem, 5vw, 5.8rem);
  line-height: .98;
  text-wrap: balance;
}

.regional-airport-hero > div > p,
.regional-airport-complete__lead > div > p,
.regional-airport-article__lead > div > p {
  max-width: 58ch;
  font-size: clamp(1.03rem, 1.3vw, 1.22rem);
}

.regional-airport-hero aside,
.regional-airport-complete__lead aside,
.regional-airport-article__lead aside {
  margin: 1.4rem 0;
  padding: 1rem 1.15rem;
  border-left: .35rem solid var(--airport-accent);
  background: color-mix(in srgb, var(--airport-soft) 55%, white);
}

.regional-airport-hero aside p,
.regional-airport-complete__lead aside p,
.regional-airport-article__lead aside p { margin: .35rem 0 0; }

.regional-airport-hero figure,
.regional-airport-complete__lead figure { margin: 0; background: var(--airport-soft); }
.regional-airport-hero picture,
.regional-airport-complete__lead picture { display: block; height: 100%; min-height: 23rem; }
.regional-airport-hero img,
.regional-airport-complete__lead img { width: 100%; height: 100%; aspect-ratio: 3 / 2; object-fit: cover; }
.regional-airport-hero figcaption,
.regional-airport-complete__lead figcaption { padding: .65rem 1rem; color: #49636a; font-size: .78rem; }

.regional-airport-map,
.regional-airport-purpose-list,
.regional-airport-deep-section,
.regional-airport-history,
.regional-airport-sources,
.regional-airport-sequence,
.regional-airport-details,
.regional-airport-traps {
  padding: clamp(1.4rem, 4vw, 4rem);
  border: 1px solid var(--airport-line);
  border-radius: clamp(1.25rem, 2.4vw, 2.6rem);
  background: var(--airport-paper);
}

.regional-airport-map > header,
.regional-airport-purpose-list > header,
.regional-airport-deep-section > header,
.regional-airport-history > header,
.regional-airport-sequence > header,
.regional-airport-details > header,
.regional-airport-traps > header {
  display: grid;
  grid-template-columns: minmax(15rem, .8fr) minmax(18rem, 1fr);
  gap: 1rem 3rem;
  align-items: end;
  margin-bottom: 1.5rem;
}

.regional-airport-map > header .eyebrow,
.regional-airport-purpose-list > header .eyebrow,
.regional-airport-deep-section > header .eyebrow,
.regional-airport-history > header .eyebrow,
.regional-airport-sequence > header .eyebrow,
.regional-airport-details > header .eyebrow,
.regional-airport-traps > header .eyebrow { grid-column: 1 / -1; }

.regional-airport-map h2,
.regional-airport-purpose-list h2,
.regional-airport-deep-section h2,
.regional-airport-history h2,
.regional-airport-sequence h2,
.regional-airport-details h2,
.regional-airport-traps h2,
.regional-airport-departure h2,
.regional-airport-scenario h2,
.regional-airport-phrase h2,
.regional-airport-sources h2 {
  margin: 0;
  color: var(--airport-ink);
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.5vw, 4.1rem);
  line-height: 1;
  text-wrap: balance;
}

.regional-airport-map > div,
.regional-airport-deep-map > div {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: .75rem;
  counter-reset: airport-place;
}

.regional-airport-map article,
.regional-airport-deep-map article {
  position: relative;
  padding: 1.2rem;
  border: 1px solid var(--airport-line);
  border-radius: 1.1rem;
  background: color-mix(in srgb, var(--airport-soft) 42%, white);
}

.regional-airport-map article:not(:last-child)::after,
.regional-airport-deep-map article:not(:last-child)::after {
  content: '→';
  position: absolute;
  z-index: 2;
  top: 50%;
  right: -.72rem;
  width: 1.45rem;
  height: 1.45rem;
  border-radius: 50%;
  background: var(--airport-accent);
  color: white;
  text-align: center;
  line-height: 1.45rem;
}

.regional-airport-map article > span,
.regional-airport-deep-map article header span { color: var(--airport-accent); font-size: .75rem; font-weight: 800; letter-spacing: .08em; }
.regional-airport-map article h3,
.regional-airport-deep-map article h3 { margin: .7rem 0; color: var(--airport-ink); }
.regional-airport-map article p,
.regional-airport-deep-map article p { font-size: .9rem; }
.regional-airport-map article strong,
.regional-airport-deep-map article strong { display: block; margin-top: .8rem; padding-top: .75rem; border-top: 1px solid var(--airport-line); font-size: .84rem; }
.regional-airport-deep-map article header { display: grid; gap: .3rem; }

.regional-airport-planner {
  display: grid;
  grid-template-columns: .8fr 1.2fr;
  gap: clamp(1rem, 3vw, 3rem);
  padding: clamp(1.4rem, 4vw, 4rem);
  border-radius: clamp(1.25rem, 2.4vw, 2.6rem);
  background: var(--airport-ink);
  color: white;
}
.regional-airport-planner h2 { margin: .4rem 0 1rem; color: white; font-family: var(--font-display); font-size: clamp(2rem, 3.5vw, 4rem); line-height: 1; }
.regional-airport-planner form { display: grid; gap: 1rem; }
.regional-airport-planner label { display: grid; gap: .4rem; font-weight: 700; }
.regional-airport-planner select { width: 100%; min-height: 3.15rem; padding: .7rem 2.5rem .7rem .85rem; border: 2px solid transparent; border-radius: .75rem; background: white; color: var(--airport-ink); font: inherit; }
.regional-airport-planner__result { display: grid; gap: .5rem; padding: 1rem; border-radius: 1rem; background: var(--airport-soft); color: var(--airport-ink); }
.regional-airport-planner__result > span { font-size: .75rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.regional-airport-planner__result strong { font-size: 1.2rem; }
.regional-airport-planner__result p { margin: 0; }
.regional-airport-planner__result a { justify-self: start; padding: .65rem .9rem; border-radius: 999px; background: var(--airport-accent); color: #102f36; font-weight: 800; text-decoration: none; }

.regional-airport-purpose-list > div {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .8rem;
}
.regional-airport-purpose-card {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: .6rem 1rem;
  align-items: start;
  min-height: 13rem;
  padding: 1.3rem;
  border: 1px solid var(--airport-line);
  border-radius: 1.2rem;
  color: var(--airport-ink);
  text-decoration: none;
  transition: transform .18s ease, border-color .18s ease;
}
.regional-airport-purpose-card:hover { transform: translateY(-3px); border-color: var(--airport-accent); }
.regional-airport-purpose-card > span { font: 800 .8rem/1 sans-serif; color: var(--airport-accent); }
.regional-airport-purpose-card > i { grid-column: 3; grid-row: 1 / 3; width: 2.8rem; height: 2.8rem; border-radius: 50%; background: var(--airport-soft); font: normal 800 1.2rem/2.8rem sans-serif; text-align: center; }
.regional-airport-purpose-card h3 { grid-column: 1 / 3; margin: .3rem 0 0; font-size: 1.25rem; }
.regional-airport-purpose-card p { grid-column: 1 / -1; margin: 0; }
.regional-airport-purpose-card small { grid-column: 1 / -1; align-self: end; display: flex; justify-content: space-between; font-weight: 800; }

.regional-airport-live-boundary,
.regional-airport-scenario,
.regional-airport-departure {
  display: grid;
  grid-template-columns: minmax(15rem, .7fr) minmax(18rem, 1fr);
  gap: 1.25rem 3rem;
  padding: clamp(1.4rem, 4vw, 3.5rem);
  border-radius: 2rem;
  background: var(--airport-soft);
}
.regional-airport-live-boundary > div { display: flex; gap: 1rem; align-items: flex-start; }
.regional-airport-live-boundary > div > span { flex: 0 0 auto; width: 3rem; height: 3rem; border-radius: 50%; background: var(--airport-accent); color: white; font: 800 1.1rem/3rem sans-serif; text-align: center; }
.regional-airport-live-boundary h2 { margin: 0; color: var(--airport-ink); font-family: var(--font-display); font-size: clamp(1.7rem, 3vw, 3rem); line-height: 1; }
.regional-airport-live-boundary a { grid-column: 2; justify-self: start; font-weight: 800; }

.regional-airport-article__lead {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 16rem;
  gap: 2rem;
  padding: clamp(1.5rem, 4vw, 4rem);
  border: 1px solid var(--airport-line);
  border-radius: 2.4rem;
  background: var(--airport-paper);
}
.regional-airport-article__lead nav,
.regional-airport-complete__lead nav { display: grid; align-content: end; gap: .5rem; }
.regional-airport-article__lead nav a,
.regional-airport-complete__lead nav a { padding: .8rem; border-bottom: 1px solid var(--airport-line); color: var(--airport-ink); font-weight: 800; text-decoration: none; }

.regional-airport-sequence ol,
.regional-airport-arrival ol { display: grid; gap: .7rem; padding: 0; list-style: none; }
.regional-airport-sequence li,
.regional-airport-arrival li { display: grid; grid-template-columns: 3rem 1fr; gap: 1rem; padding: 1rem 0; border-top: 1px solid var(--airport-line); }
.regional-airport-sequence li > span,
.regional-airport-arrival li > span { width: 2.5rem; height: 2.5rem; border-radius: 50%; background: var(--airport-accent); color: white; font: 800 .8rem/2.5rem sans-serif; text-align: center; }
.regional-airport-sequence h3,
.regional-airport-arrival h3 { margin: 0; color: var(--airport-ink); }
.regional-airport-sequence p,
.regional-airport-arrival p { margin: .35rem 0 0; }

.regional-airport-details > div,
.regional-airport-transport__grid,
.regional-airport-facilities > div,
.regional-airport-recovery > div { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .8rem; }
.regional-airport-details article,
.regional-airport-transport__grid article,
.regional-airport-facilities article,
.regional-airport-recovery article { padding: 1.2rem; border: 1px solid var(--airport-line); border-radius: 1rem; }
.regional-airport-details article > span,
.regional-airport-facilities article > span,
.regional-airport-recovery article > span { display: inline-grid; place-items: center; min-width: 2.5rem; height: 2.5rem; padding: 0 .4rem; border-radius: 999px; background: var(--airport-soft); color: var(--airport-ink); font-weight: 800; }
.regional-airport-details h3,
.regional-airport-transport h3,
.regional-airport-facilities h3,
.regional-airport-recovery h3 { color: var(--airport-ink); }
.regional-airport-details strong,
.regional-airport-transport article aside { display: block; margin-top: .9rem; padding-top: .8rem; border-top: 1px solid var(--airport-line); }
.regional-airport-transport article header { display: flex; justify-content: space-between; gap: 1rem; color: var(--airport-accent); font-weight: 800; }

.regional-airport-scenario > p { margin: 0; font-size: 1.12rem; }
.regional-airport-scenario > strong { grid-column: 2; padding-top: 1rem; border-top: 1px solid var(--airport-line); }
.regional-airport-field-note { padding: clamp(1.4rem, 4vw, 3.5rem); border-radius: 2rem; background: var(--airport-soft); }
.regional-airport-field-note header { max-width: 55rem; margin-bottom: 1.2rem; }
.regional-airport-field-note h2 { margin: .4rem 0 0; color: var(--airport-ink); font-family: var(--font-display); font-size: clamp(1.9rem, 3vw, 3.4rem); line-height: 1; }
.regional-airport-field-note > div { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .75rem; }
.regional-airport-field-note article { padding: 1rem; border: 1px solid var(--airport-line); border-radius: 1rem; background: var(--airport-paper); }
.regional-airport-field-note article > span { color: var(--airport-accent); font-weight: 800; }
.regional-airport-field-note article h3 { color: var(--airport-ink); }
.regional-airport-traps ul { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .7rem; padding: 0; list-style: none; }
.regional-airport-traps li { padding: 1rem 1rem 1rem 2.8rem; border-radius: 1rem; background: var(--airport-soft); position: relative; }
.regional-airport-traps li::before { content: '×'; position: absolute; left: 1rem; color: var(--airport-accent); font-weight: 900; }

.regional-airport-phrase { display: grid; grid-template-columns: .75fr 1.25fr; gap: 1rem 3rem; padding: clamp(1.4rem, 4vw, 3.5rem); border-radius: 2rem; background: var(--airport-ink); color: white; }
.regional-airport-phrase h2 { color: white; }
.regional-airport-phrase > article,
.regional-airport-phrase > div:last-of-type { display: grid; gap: .7rem; }
.regional-airport-phrase article { padding: 1rem; border-radius: 1rem; background: white; color: var(--airport-ink); }
.regional-airport-phrase article p { margin: 0; font-size: 1.25rem; font-weight: 800; }
.regional-airport-phrase article button { justify-self: start; min-height: 2.75rem; padding: .65rem 1rem; border: 0; border-radius: 999px; background: var(--airport-accent); color: #102f36; font: 800 .9rem/1 sans-serif; cursor: pointer; }

.regional-airport-next { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .6rem; }
.regional-airport-next a { display: flex; justify-content: space-between; gap: 1rem; padding: 1rem; border: 1px solid var(--airport-line); border-radius: 1rem; color: var(--airport-ink); font-weight: 800; text-decoration: none; }

.regional-airport-purpose-strip { padding: 1.2rem; overflow: hidden; border-radius: 1.4rem; background: var(--airport-soft); }
.regional-airport-purpose-strip p { margin-top: 0; font-weight: 800; }
.regional-airport-purpose-strip > div { display: flex; gap: .55rem; overflow-x: auto; padding-bottom: .45rem; scroll-snap-type: x proximity; }
.regional-airport-purpose-strip a { flex: 0 0 min(18rem, 80vw); display: grid; grid-template-columns: auto 1fr auto; gap: .6rem; padding: .8rem; border-radius: .8rem; background: white; color: var(--airport-ink); text-decoration: none; scroll-snap-align: start; }

.regional-airport-destinations { margin-top: 1.2rem; overflow-x: auto; }
.regional-airport-destinations table { width: 100%; min-width: 42rem; border-collapse: collapse; }
.regional-airport-destinations caption { padding: .8rem; color: var(--airport-ink); font-weight: 800; text-align: left; }
.regional-airport-destinations th,
.regional-airport-destinations td { padding: .9rem; border-top: 1px solid var(--airport-line); text-align: left; vertical-align: top; }

.regional-airport-history ol { padding: 0; list-style: none; }
.regional-airport-history li { display: grid; grid-template-columns: 7rem 1fr; gap: 1rem; padding: 1rem 0; border-top: 1px solid var(--airport-line); }
.regional-airport-history time { color: var(--airport-accent); font: 800 1rem/1.3 sans-serif; }
.regional-airport-history h3 { margin: 0; color: var(--airport-ink); }
.regional-airport-history p { margin: .35rem 0 0; }
.regional-airport-departure ol { margin: 0; }
.regional-airport-sources { display: grid; grid-template-columns: .75fr 1.25fr; gap: 2rem; }
.regional-airport-sources ul { margin: 0; padding-left: 1.25rem; }
.regional-airport-sources li { margin-bottom: .5rem; }

.regional-airport-planner select:focus-visible,
.regional-airport-planner a:focus-visible,
.regional-airport-purpose-card:focus-visible,
.regional-airport-phrase button:focus-visible,
.regional-airport-next a:focus-visible,
.regional-airport-purpose-strip a:focus-visible { outline: .22rem solid #ffbf47; outline-offset: .18rem; }

@media (max-width: 900px) {
  .regional-airport-hero,
  .regional-airport-complete__lead { grid-template-columns: 1fr; }
  .regional-airport-hero figure,
  .regional-airport-complete__lead figure { grid-row: 1; }
  .regional-airport-hero picture,
  .regional-airport-complete__lead picture { min-height: 0; }
  .regional-airport-map > div,
  .regional-airport-deep-map > div { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .regional-airport-map article:nth-child(2)::after,
  .regional-airport-deep-map article:nth-child(2)::after { content: '↓'; top: auto; right: .5rem; bottom: -.72rem; }
  .regional-airport-planner { grid-template-columns: 1fr; }
}

@media (max-width: 680px) {
  .regional-airport-hero h2,
  .regional-airport-complete__lead h2,
  .regional-airport-article__lead h2 { font-size: clamp(2.25rem, 12vw, 3.8rem); }
  .regional-airport-map > header,
  .regional-airport-purpose-list > header,
  .regional-airport-deep-section > header,
  .regional-airport-history > header,
  .regional-airport-sequence > header,
  .regional-airport-details > header,
  .regional-airport-traps > header,
  .regional-airport-live-boundary,
  .regional-airport-scenario,
  .regional-airport-departure,
  .regional-airport-article__lead,
  .regional-airport-phrase,
  .regional-airport-sources { grid-template-columns: 1fr; }
  .regional-airport-map > div,
  .regional-airport-deep-map > div,
  .regional-airport-purpose-list > div,
  .regional-airport-details > div,
  .regional-airport-transport__grid,
  .regional-airport-facilities > div,
  .regional-airport-recovery > div,
  .regional-airport-traps ul,
  .regional-airport-next { grid-template-columns: 1fr; }
  .regional-airport-field-note > div { grid-template-columns: 1fr; }
  .regional-airport-map article:not(:last-child)::after,
  .regional-airport-deep-map article:not(:last-child)::after { content: '↓'; top: auto; right: .5rem; bottom: -.72rem; }
  .regional-airport-live-boundary > p,
  .regional-airport-live-boundary > a,
  .regional-airport-scenario > strong { grid-column: 1; }
  .regional-airport-article__lead nav,
  .regional-airport-complete__lead nav { display: flex; overflow-x: auto; padding-bottom: .35rem; }
  .regional-airport-article__lead nav a,
  .regional-airport-complete__lead nav a { flex: 0 0 auto; }
  .regional-airport-purpose-card { min-height: 0; }
  .regional-airport-history li { grid-template-columns: 5.5rem 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  .regional-airport-purpose-card { transition: none; }
  .regional-airport-purpose-card:hover { transform: none; }
}

@media (forced-colors: active) {
  .regional-airport-landing *,
  .regional-airport-article *,
  .regional-airport-complete * { border-color: CanvasText; }
  .regional-airport-purpose-card > i,
  .regional-airport-sequence li > span,
  .regional-airport-arrival li > span { forced-color-adjust: none; background: CanvasText; color: Canvas; }
}