:root {
  --bg: #f3f6fb;
  --panel: #ffffff;
  --ink: #0f172a;
  --muted: #475569;
  --line: #d7e0ec;
  --brand: #0b3a6f;
  --accent: #0ea5b7;
  --shadow: 0 14px 30px rgba(15, 23, 42, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Noto Sans JP", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 18%, rgba(14, 165, 183, 0.14), transparent 35%),
    radial-gradient(circle at 88% 5%, rgba(11, 58, 111, 0.14), transparent 28%),
    var(--bg);
}

.page {
  width: min(1080px, calc(100% - 40px));
  margin: 40px auto 56px;
}

.hero {
  background: linear-gradient(130deg, #0d2f55 0%, #0b3a6f 60%, #16508f 100%);
  color: #f8fafc;
  border-radius: 20px;
  padding: 36px 34px;
  box-shadow: var(--shadow);
}

.eyebrow {
  margin: 0;
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0.85;
}

.hero h1 {
  margin: 10px 0 8px;
  font-size: clamp(1.8rem, 4vw, 2.5rem);
}

.lead {
  margin: 0;
  color: #dbe7f6;
  line-height: 1.75;
}

.banner-carousel {
  position: relative;
  margin-top: 22px;
}

.carousel-viewport {
  overflow: hidden;
  padding: 8px 8%;
  touch-action: pan-y;
}

.carousel-track {
  display: flex;
  align-items: center;
  transform: translateX(0);
  transition: transform 0.65s cubic-bezier(0.22, 0.61, 0.36, 1);
  will-change: transform;
}

.carousel-track.is-resetting {
  transition: none;
}

.carousel-track.is-resetting .carousel-slide {
  transition: none;
}

.carousel-slide {
  flex: 0 0 100%;
  padding: 0 8px;
  opacity: 0.48;
  transform: scale(0.94);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

.carousel-slide.is-active {
  opacity: 1;
  transform: scale(1);
}

.carousel-slide img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 1;
  object-fit: contain;
  border-radius: 17px;
  box-shadow: 0 12px 26px rgba(15, 23, 42, 0.1);
  user-select: none;
  -webkit-user-drag: none;
}

.carousel-control {
  position: absolute;
  top: calc(50% - 20px);
  z-index: 2;
  width: 42px;
  height: 42px;
  padding: 0;
  border: 1px solid rgba(178, 200, 228, 0.9);
  border-radius: 50%;
  color: var(--brand);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 8px 18px rgba(15, 23, 42, 0.14);
  cursor: pointer;
  transition: color 0.16s ease, background-color 0.16s ease, transform 0.16s ease;
}

.carousel-control:hover {
  color: #ffffff;
  background: var(--brand);
  transform: translateY(-1px);
}

.carousel-control:focus-visible,
.carousel-indicator:focus-visible {
  outline: 3px solid rgba(14, 165, 183, 0.42);
  outline-offset: 3px;
}

.carousel-control span {
  display: block;
  font-size: 2rem;
  line-height: 35px;
}

.carousel-control-prev {
  left: 1.5%;
}

.carousel-control-next {
  right: 1.5%;
}

.carousel-indicators {
  display: flex;
  justify-content: center;
  gap: 9px;
  margin-top: 10px;
}

.carousel-indicator {
  width: 10px;
  height: 10px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: #b9c7d8;
  cursor: pointer;
  transition: width 0.2s ease, border-radius 0.2s ease, background-color 0.2s ease;
}

.carousel-indicator.is-active {
  width: 26px;
  border-radius: 999px;
  background: var(--brand);
}

.carousel-status {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.action-panel {
  margin-top: 18px;
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.action-card {
  text-decoration: none;
  color: inherit;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 20px;
  box-shadow: 0 10px 22px rgba(15, 23, 42, 0.04);
  transition: transform 0.16s ease, border-color 0.16s ease, box-shadow 0.16s ease;
}

.action-card:hover {
  transform: translateY(-2px);
  border-color: #b2c8e4;
  box-shadow: 0 16px 24px rgba(15, 23, 42, 0.08);
}

.action-card h2 {
  margin: 0 0 10px;
  font-size: 1.3rem;
}

.action-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.action-card span {
  display: inline-block;
  margin-top: 14px;
  color: var(--accent);
  font-weight: 700;
}

@media (max-width: 860px) {
  .carousel-viewport {
    padding-inline: 3%;
  }

  .carousel-slide {
    padding-inline: 4px;
  }

  .carousel-control {
    width: 36px;
    height: 36px;
    top: calc(50% - 18px);
  }

  .carousel-control span {
    font-size: 1.7rem;
    line-height: 30px;
  }

  .carousel-control-prev {
    left: 0;
  }

  .carousel-control-next {
    right: 0;
  }

  .action-panel {
    grid-template-columns: 1fr;
  }

  .page {
    width: min(1080px, calc(100% - 24px));
    margin: 20px auto 28px;
  }

  .hero {
    padding: 28px 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .carousel-track,
  .carousel-slide,
  .carousel-control,
  .carousel-indicator {
    transition: none;
  }
}