:root {
  --iuc-accent: #e63900;
  --iuc-navy: #1d3557;
  --iuc-ink: #050505;
  --iuc-paper: #ffffff;
}

html {
  scroll-padding-top: 88px;
}

:where(a, button, input, select, textarea):focus-visible {
  outline: 3px solid #ff8c00;
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 20000;
  padding: 10px 14px;
  background: var(--iuc-ink);
  color: #fff;
  font: 700 0.875rem/1.4 "Yu Gothic", "YuGothic", sans-serif;
  transform: translateY(-160%);
  transition: transform 0.2s ease;
}

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

.seo-breadcrumbs {
  position: relative;
  z-index: 4;
  max-width: 1120px;
  margin: 0 auto;
  padding: 12px 20px;
  color: #52525b;
  font: 700 0.78rem/1.6 "Yu Gothic", "YuGothic", "Hiragino Kaku Gothic ProN", sans-serif;
}

.seo-breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
  margin: 0;
  padding: 0;
  list-style: none;
}

.seo-breadcrumbs li:not(:last-child)::after {
  content: "/";
  margin-left: 6px;
  color: #a1a1aa;
}

.seo-breadcrumbs a {
  color: inherit;
  text-underline-offset: 3px;
}

.seo-breadcrumbs [aria-current="page"] {
  color: var(--iuc-ink);
}

.journey-links {
  max-width: 1120px;
  margin: 32px auto;
  padding: clamp(20px, 4vw, 36px);
  border: 1px solid rgba(29, 53, 87, 0.16);
  border-left: 6px solid var(--iuc-accent);
  background: linear-gradient(135deg, #fff 0%, #f7f7f8 100%);
  color: var(--iuc-ink);
  box-shadow: 0 18px 45px rgba(5, 5, 5, 0.06);
}

.journey-links__eyebrow {
  margin: 0 0 6px;
  color: var(--iuc-accent);
  font: 800 0.72rem/1.4 "JetBrains Mono", monospace;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.journey-links h2 {
  margin: 0;
  color: var(--iuc-ink);
  font-size: clamp(1.25rem, 3vw, 1.8rem);
  line-height: 1.35;
}

.journey-links__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-top: 18px;
}

.journey-links__grid a {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 10px 14px;
  border: 1px solid rgba(5, 5, 5, 0.18);
  background: #fff;
  color: var(--iuc-ink);
  font-size: 0.9rem;
  font-weight: 800;
  line-height: 1.45;
  text-align: center;
  text-decoration: none;
  transition: border-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.journey-links__grid a:hover {
  border-color: var(--iuc-accent);
  color: var(--iuc-accent);
  transform: translateY(-2px);
}

.mobile-action-bar {
  display: none;
}

.latest-schedule-notice {
  max-width: 1120px;
  margin: 14px auto 0;
  padding: 14px 20px;
  border-left: 4px solid var(--iuc-accent);
  background: #fff7ed;
  color: #27272a;
  font-size: 0.95rem;
  line-height: 1.7;
}

.latest-schedule-notice a {
  font-weight: 800;
  text-underline-offset: 3px;
}

.application-status {
  max-width: 1120px;
  margin: 14px auto;
  padding: 16px 20px;
  border: 1px solid rgba(230, 57, 0, 0.24);
  border-left: 5px solid var(--iuc-accent);
  background: #fff7ed;
  color: #27272a;
  font-size: 0.95rem;
  line-height: 1.7;
}

.application-status strong,
.application-status span {
  display: block;
}

.application-status a {
  margin-left: 0.25em;
  font-weight: 800;
  text-underline-offset: 3px;
}

.is-disabled[aria-disabled="true"] {
  cursor: not-allowed;
  opacity: 0.68;
  filter: grayscale(1);
}

@media (max-width: 820px) {
  .journey-links {
    margin: 24px 16px;
  }

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

@media (max-width: 720px) {
  body.has-mobile-actions {
    padding-bottom: calc(68px + env(safe-area-inset-bottom));
  }

  .seo-breadcrumbs {
    padding: 10px 16px;
    font-size: 0.75rem;
  }

  main :where(p, li, dd) {
    font-size: max(0.9rem, 14px);
  }

  .mobile-action-bar {
    position: fixed;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 12000;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1px;
    padding: 6px max(6px, env(safe-area-inset-right)) calc(6px + env(safe-area-inset-bottom)) max(6px, env(safe-area-inset-left));
    background: rgba(5, 5, 5, 0.94);
    box-shadow: 0 -8px 26px rgba(0, 0, 0, 0.22);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
  }

  .mobile-action-bar a {
    display: inline-flex;
    min-height: 48px;
    align-items: center;
    justify-content: center;
    padding: 7px 5px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #fff;
    font-size: 0.75rem;
    font-weight: 800;
    line-height: 1.3;
    text-align: center;
    text-decoration: none;
  }

  .mobile-action-bar a:first-child {
    border-color: var(--iuc-accent);
    background: var(--iuc-accent);
  }
}

@media (max-width: 480px) {
  .journey-links__grid {
    grid-template-columns: 1fr;
  }
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}