:root {
  --background: #f7fbf8;
  --foreground: #17323a;
  --ink: #17323a;
  --teal: #06a6b8;
  --deep-teal: #075868;
  --green: #72b857;
  --sun: #f8b84e;
  --coral: #f27d67;
  --mist: #e6f7f4;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 12% 20%, rgba(248, 184, 78, 0.18), transparent 28rem),
    linear-gradient(180deg, #f2fbff 0%, var(--background) 42%, #fffaf1 100%);
  color: var(--foreground);
  font-family: Arial, Helvetica, sans-serif;
}

a {
  color: inherit;
  text-decoration: none;
}

.travelLink {
  color: inherit;
  font-weight: inherit;
  text-decoration: underline;
  text-decoration-thickness: 0.09em;
  text-underline-offset: 0.18em;
  transition: color 160ms ease, text-decoration-color 160ms ease;
}

.travelLink:hover {
  color: var(--sun);
}

main {
  overflow: hidden;
}

.hero {
  position: relative;
  min-height: 92vh;
  display: grid;
  align-items: end;
  padding: 2rem min(5vw, 4.5rem) 5rem;
  color: #ffffff;
  isolation: isolate;
}

.heroImage {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  z-index: -3;
}

.heroShade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(5, 34, 44, 0.76) 0%, rgba(5, 34, 44, 0.38) 48%, rgba(5, 34, 44, 0.12) 100%),
    linear-gradient(180deg, rgba(3, 26, 34, 0.18) 0%, rgba(3, 26, 34, 0.1) 46%, rgba(3, 26, 34, 0.72) 100%);
  z-index: -2;
}

.topNav {
  position: absolute;
  top: 1.4rem;
  right: min(5vw, 4.5rem);
  display: flex;
  gap: 0.45rem;
  padding: 0.4rem;
  border: 1px solid rgba(255, 255, 255, 0.36);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(16px);
}

.topNav a {
  display: grid;
  min-height: 2.35rem;
  place-items: center;
  padding: 0 1rem;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 700;
}

.topNav a:hover {
  background: rgba(255, 255, 255, 0.22);
}

.heroContent {
  width: min(52rem, 100%);
  padding-top: 9rem;
}

.eyebrow {
  margin: 0 0 0.85rem;
  color: var(--teal);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0;
}

.hero .eyebrow,
.routeSection .eyebrow,
.driveBand .eyebrow,
.footer p {
  color: #bdf7ff;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  margin: 0;
  font-size: clamp(2.65rem, 8vw, 6.8rem);
  line-height: 0.95;
  letter-spacing: 0;
  text-wrap: balance;
}

h1 span {
  display: block;
}

.lead {
  width: min(43rem, 100%);
  margin: 1.45rem 0 0;
  color: rgba(255, 255, 255, 0.92);
  font-size: clamp(1.05rem, 2vw, 1.32rem);
  line-height: 1.8;
  font-weight: 700;
}

.heroActions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem 1.25rem;
  margin-top: 2rem;
}

.primaryButton {
  display: inline-grid;
  min-height: 3.25rem;
  place-items: center;
  padding: 0 1.45rem;
  border-radius: 999px;
  background: #ffffff;
  color: var(--deep-teal);
  font-weight: 900;
  box-shadow: 0 18px 38px rgba(0, 0, 0, 0.25);
}

.heroActions span {
  color: rgba(255, 255, 255, 0.9);
  font-weight: 800;
}

.introBand {
  background: #ffffff;
  border-bottom: 1px solid rgba(23, 50, 58, 0.08);
}

.introInner {
  width: min(72rem, calc(100% - 2rem));
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2rem;
  padding: 2rem 0;
}

.introInner p {
  margin: 0;
  color: #325a61;
  font-size: clamp(1.05rem, 2vw, 1.45rem);
  line-height: 1.7;
  font-weight: 800;
}

.section,
.routeSection {
  padding: clamp(4rem, 8vw, 7rem) min(5vw, 4.5rem);
}

.sectionHeader {
  width: min(56rem, 100%);
  margin-bottom: 2rem;
}

.sectionHeader h2,
.driveBand h2,
.footer h2 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(2rem, 5vw, 4.6rem);
  line-height: 1.05;
  letter-spacing: 0;
  text-wrap: balance;
}

.sectionHeader.light h2,
.driveBand h2,
.footer h2 {
  color: #ffffff;
}

.highlightGrid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.highlightCard {
  min-height: 18rem;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.25rem;
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.2), rgba(255, 255, 255, 0.92)),
    linear-gradient(135deg, rgba(6, 166, 184, 0.2), rgba(248, 184, 78, 0.24));
  border: 1px solid rgba(23, 50, 58, 0.08);
  box-shadow: 0 18px 50px rgba(23, 50, 58, 0.08);
}

.highlightCard:nth-child(2) {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.14), rgba(255, 255, 255, 0.92)),
    linear-gradient(135deg, rgba(114, 184, 87, 0.24), rgba(242, 125, 103, 0.18));
}

.highlightCard:nth-child(3) {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.92)),
    linear-gradient(135deg, rgba(6, 166, 184, 0.32), rgba(114, 184, 87, 0.18));
}

.highlightCard:nth-child(4) {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.92)),
    linear-gradient(135deg, rgba(248, 184, 78, 0.3), rgba(6, 166, 184, 0.12));
}

.highlightCard p,
.dayLabel {
  margin: 0 0 0.55rem;
  color: var(--deep-teal);
  font-size: 0.75rem;
  font-weight: 900;
  letter-spacing: 0;
}

.highlightCard h3 {
  margin: 0 0 0.65rem;
  color: var(--ink);
  font-size: clamp(1.45rem, 2vw, 2rem);
  line-height: 1.08;
}

.spotLink {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.spotLink::after {
  content: "↗";
  display: inline-grid;
  width: 1.65rem;
  height: 1.65rem;
  place-items: center;
  border-radius: 999px;
  background: var(--mist);
  color: var(--deep-teal);
  font-size: 0.88rem;
  line-height: 1;
}

.spotLink:hover {
  color: var(--deep-teal);
}

.highlightCard span {
  color: #3c6269;
  font-weight: 700;
  line-height: 1.65;
}

.routeSection {
  background:
    linear-gradient(135deg, rgba(7, 88, 104, 0.96), rgba(8, 124, 132, 0.96)),
    var(--deep-teal);
  color: #ffffff;
}

.dayStack {
  display: grid;
  gap: 1rem;
}

.dayCard {
  display: grid;
  grid-template-columns: minmax(18rem, 0.9fr) minmax(18rem, 1.1fr);
  gap: 1.5rem;
  padding: clamp(1.15rem, 3vw, 2rem);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.1);
  box-shadow: 0 22px 70px rgba(2, 27, 36, 0.22);
}

.dayTop {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  justify-content: space-between;
}

.dayTop h3 {
  margin: 0;
  font-size: clamp(1.7rem, 3vw, 2.65rem);
  line-height: 1.08;
}

.dayTop span {
  width: fit-content;
  padding: 0.55rem 0.8rem;
  border-radius: 999px;
  background: #ffffff;
  color: var(--deep-teal);
  font-size: 0.85rem;
  font-weight: 900;
}

.routeText {
  margin: 1.2rem 0 0;
  color: #cef8f6;
  font-weight: 800;
  line-height: 1.6;
}

.timeline {
  display: grid;
  gap: 0.6rem;
}

.timelineRow {
  display: grid;
  grid-template-columns: 6.8rem 1fr;
  gap: 0.9rem;
  align-items: start;
  padding: 0.85rem;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.12);
}

.timelineRow time {
  color: #fff0b8;
  font-size: 0.95rem;
  font-weight: 900;
}

.timelineRow p {
  margin: 0;
  color: rgba(255, 255, 255, 0.94);
  line-height: 1.55;
  font-weight: 700;
}

.jigokuRoute {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 0.7rem;
}

.jigokuStep {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  min-height: 2rem;
  padding: 0.35rem 0.55rem;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
}

.jigokuStep small {
  color: #fff0b8;
  font-size: 0.72rem;
  font-weight: 900;
  white-space: nowrap;
}

.driveBand {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 2rem;
  align-items: end;
  padding: clamp(3rem, 7vw, 6rem) min(5vw, 4.5rem);
  background:
    linear-gradient(120deg, rgba(16, 48, 54, 0.84), rgba(22, 88, 77, 0.62)),
    url("hero-travel.png");
  background-size: cover;
  background-position: center bottom;
  color: #ffffff;
}

.driveBand p:last-child {
  margin: 0;
  color: rgba(255, 255, 255, 0.92);
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  line-height: 1.8;
  font-weight: 800;
}

.checkSection {
  background: #fffdf8;
}

.prepGrid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.prepItem {
  min-height: 9.5rem;
  padding: 1.2rem;
  border-radius: 8px;
  background: #ffffff;
  border: 1px solid rgba(23, 50, 58, 0.08);
  box-shadow: 0 14px 40px rgba(23, 50, 58, 0.07);
}

.prepItem span {
  display: grid;
  width: 2.2rem;
  height: 2.2rem;
  place-items: center;
  border-radius: 999px;
  background: var(--mist);
  color: var(--deep-teal);
  font-weight: 900;
}

.prepItem p {
  margin: 1rem 0 0;
  color: #31595f;
  font-size: 1.05rem;
  line-height: 1.6;
  font-weight: 800;
}

.footer {
  padding: clamp(3.2rem, 8vw, 6.5rem) min(5vw, 4.5rem);
  background: linear-gradient(135deg, #062f3a, #078a99 54%, #73b95a);
  color: #ffffff;
}

.footer p {
  margin: 0 0 0.8rem;
  font-size: 0.78rem;
  font-weight: 900;
}

@media (max-width: 920px) {
  .hero {
    min-height: 88vh;
    padding-bottom: 3.25rem;
  }

  .topNav {
    left: 1rem;
    right: 1rem;
    justify-content: space-between;
  }

  .topNav a {
    flex: 1;
    padding: 0 0.65rem;
  }

  .introInner,
  .dayCard,
  .driveBand {
    grid-template-columns: 1fr;
  }

  .highlightGrid,
  .prepGrid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 620px) {
  .hero {
    min-height: 94vh;
    padding: 1rem 1rem 2.25rem;
  }

  .heroContent {
    padding-top: 7rem;
  }

  h1 {
    font-size: clamp(2.45rem, 12vw, 3.55rem);
    line-height: 1.03;
  }

  .heroActions {
    align-items: stretch;
  }

  .primaryButton {
    width: 100%;
  }

  .section,
  .routeSection,
  .driveBand,
  .footer {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .highlightGrid,
  .prepGrid {
    grid-template-columns: 1fr;
  }

  .highlightCard {
    min-height: 14rem;
  }

  .timelineRow {
    grid-template-columns: 1fr;
    gap: 0.25rem;
  }
}