:root {
  --bg: #0a0a0a;
  --bg-alt: #1a1a1a;
  --panel: rgba(255, 255, 255, 0.05);
  --panel-strong: rgba(255, 255, 255, 0.08);
  --accent: #ff8c00;
  --accent-sub: #ffb347;
  --accent-deep: #a84d00;
  --text: #ffffff;
  --text-sub: #b0b0b0;
  --border: rgba(255, 179, 71, 0.2);
  --shadow: 0 28px 90px rgba(0, 0, 0, 0.42);
  --hero-shadow: 0 40px 120px rgba(255, 140, 0, 0.18);
  --font-display: "Playfair Display", serif;
  --font-sans: "Inter", "Noto Sans JP", "Hiragino Kaku Gothic ProN", sans-serif;
  --shell: min(1200px, calc(100vw - 32px));
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 12% 14%, rgba(255, 140, 0, 0.14), transparent 26%),
    radial-gradient(circle at 82% 8%, rgba(255, 179, 71, 0.16), transparent 18%),
    linear-gradient(180deg, #060606 0%, #0a0a0a 18%, #111111 100%);
  color: var(--text);
  font-family: var(--font-sans);
  line-height: 1.7;
  overflow-x: hidden;
}

body.menu-open,
body.has-lightbox {
  overflow: hidden;
}

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

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

button,
input,
select,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
  border: 0;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  padding: 14px 16px;
}

textarea {
  resize: vertical;
}

input::placeholder,
textarea::placeholder {
  color: rgba(255, 255, 255, 0.45);
}

.shell {
  width: var(--shell);
  margin: 0 auto;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 80;
  transition: background 220ms ease, border-color 220ms ease, backdrop-filter 220ms ease;
}

.site-header.is-scrolled {
  background: rgba(10, 10, 10, 0.86);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(16px);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand__mark,
.footer-logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 16px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(250, 235, 215, 0.88));
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.28);
}

.brand__mark img,
.footer-logo img {
  width: 34px;
  height: 34px;
  object-fit: contain;
}

.brand__copy {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 2px;
}

.brand__en,
.hero__title,
.subhero h1,
.section-title,
.footer-brand {
  font-family: var(--font-display);
}

.brand__en {
  font-size: 1rem;
  letter-spacing: 0.18em;
}

.brand__ja {
  color: var(--text-sub);
  font-size: 0.7rem;
  letter-spacing: 0.22em;
}

.menu-toggle {
  display: inline-flex;
  width: 46px;
  height: 46px;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  padding: 0;
  background: transparent;
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  margin: 0 auto;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), var(--accent-sub));
}

.site-nav {
  position: absolute;
  top: 72px;
  left: 16px;
  right: 16px;
  display: none;
  flex-direction: column;
  gap: 12px;
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: 20px;
  background:
    linear-gradient(180deg, rgba(28, 18, 10, 0.98), rgba(12, 12, 12, 0.96)),
    var(--bg-alt);
  box-shadow: var(--shadow);
}

.site-nav.is-open {
  display: flex;
}

.site-nav a {
  color: var(--text-sub);
  font-size: 0.8rem;
  letter-spacing: 0.28em;
}

.site-nav a:hover,
.site-nav a:focus-visible,
.site-nav a.is-active {
  color: var(--text);
}

.site-nav__cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent-sub));
  color: #160d04 !important;
  font-weight: 700;
}

.hero,
.subhero {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(120deg, rgba(0, 0, 0, 0.78), rgba(10, 10, 10, 0.28)),
    var(--hero-image) center / cover no-repeat;
}

.hero {
  min-height: 100svh;
}

.subhero {
  min-height: 40svh;
}

.hero__veil,
.subhero__veil {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(0, 0, 0, 0.28), rgba(0, 0, 0, 0.72)),
    radial-gradient(circle at center, rgba(255, 140, 0, 0.22), transparent 34%);
}

.hero__glow {
  position: absolute;
  width: 38vw;
  height: 38vw;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(255, 140, 0, 0.22), transparent 64%);
  filter: blur(12px);
  pointer-events: none;
}

.hero__glow--left {
  top: 12%;
  left: -10%;
}

.hero__glow--right {
  right: -14%;
  bottom: 8%;
  background: radial-gradient(circle, rgba(255, 179, 71, 0.18), transparent 68%);
}

.hero__inner,
.subhero__inner {
  position: relative;
  z-index: 1;
}

.hero__inner {
  display: flex;
  min-height: 100svh;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
}

.subhero__inner {
  display: flex;
  min-height: 40svh;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
}

.eyebrow {
  margin: 0;
  color: var(--accent-sub);
  font-size: 0.72rem;
  letter-spacing: 0.42em;
  text-transform: uppercase;
}

.hero__title {
  margin: 18px 0 12px;
  font-size: clamp(3rem, 15vw, 7rem);
  line-height: 0.98;
  letter-spacing: 0.18em;
  text-shadow: var(--hero-shadow);
}

.hero__tagline,
.subhero p,
.section-note,
.section-copy p,
.cast-card__body p,
.info-card p,
.route-card li,
.benefit-card p,
.step-card p,
.contact-card p,
.contact-card span,
.footer-copy,
.footer-details,
.form-note {
  color: var(--text-sub);
}

.hero__tagline {
  margin: 0;
  max-width: 34rem;
  font-size: clamp(1rem, 3.2vw, 1.22rem);
}

.hero__actions,
.inline-actions,
.social-links,
.footer-actions,
.detail-cluster,
.chip-list,
.payment-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.hero__actions {
  margin-top: 28px;
  justify-content: center;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 24px;
  border-radius: 999px;
  transition: transform 180ms ease, filter 180ms ease, background 180ms ease;
  font-weight: 700;
  letter-spacing: 0.14em;
}

.button:hover,
.button:focus-visible {
  transform: scale(1.05);
  filter: brightness(1.06);
}

.button--primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-sub));
  color: #140b02;
  box-shadow: 0 16px 32px rgba(255, 140, 0, 0.22);
}

.button--secondary {
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
}

.scroll-cue {
  position: absolute;
  left: 50%;
  bottom: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  transform: translateX(-50%);
  color: var(--accent-sub);
  animation: bounce 1.9s infinite;
}

.section {
  padding: 60px 0;
}

.section--alt {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0.01)),
    var(--bg-alt);
}

.section-head {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 28px;
}

.section-title {
  margin: 12px 0 0;
  font-size: clamp(2rem, 7vw, 3.5rem);
  line-height: 1.04;
}

.section-title--small {
  font-size: clamp(1.5rem, 5vw, 2.2rem);
}

.split-layout,
.access-layout,
.detail-grid,
.system-grid,
.route-grid,
.staff-grid,
.contact-grid,
.benefit-grid,
.step-grid {
  display: grid;
  gap: 24px;
}

.section-copy,
.access-panel,
.info-card,
.route-card,
.benefit-card,
.step-card,
.contact-card,
.price-table,
.form-shell {
  position: relative;
  border: 1px solid var(--border);
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.03));
  box-shadow: var(--shadow);
}

.section-copy,
.access-panel,
.info-card,
.route-card,
.benefit-card,
.step-card,
.contact-card,
.form-shell {
  padding: 24px;
}

.section-visual {
  min-height: 320px;
  border-radius: 28px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.section-visual img,
.cast-card__media img,
.gallery-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.detail-cluster div {
  min-width: 120px;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.03);
}

.detail-cluster span {
  display: block;
  color: var(--text-sub);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.detail-cluster strong {
  display: block;
  margin-top: 8px;
  font-size: 0.98rem;
}

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

.cast-card {
  display: block;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.04);
  box-shadow: var(--shadow);
  transition: transform 180ms ease, border-color 180ms ease;
}

.cast-card:hover,
.cast-card:focus-visible {
  transform: translateY(-6px);
  border-color: rgba(255, 179, 71, 0.42);
}

.cast-card__media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 5;
}

.cast-card__media img {
  transition: transform 220ms ease;
}

.cast-card:hover .cast-card__media img,
.cast-card:focus-visible .cast-card__media img {
  transform: scale(1.05);
}

.cast-card__overlay {
  position: absolute;
  inset: auto 14px 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: 0 14px;
  border-radius: 999px;
  background: rgba(10, 10, 10, 0.72);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 180ms ease, transform 180ms ease;
  letter-spacing: 0.18em;
  font-size: 0.72rem;
}

.cast-card:hover .cast-card__overlay,
.cast-card:focus-visible .cast-card__overlay {
  opacity: 1;
  transform: translateY(0);
}

.cast-card__body {
  padding: 16px;
}

.cast-card__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.cast-card__head h3 {
  margin: 0;
  font-size: 1.1rem;
}

.cast-card__head span {
  color: var(--accent-sub);
  font-size: 0.8rem;
}

.cast-card__body p {
  margin: 8px 0 0;
  font-size: 0.9rem;
}

.section-toggle {
  margin: 28px auto 0;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 18px;
}

.gallery-card {
  position: relative;
  min-height: 260px;
  overflow: hidden;
  border-radius: 26px;
  border: 1px solid var(--border);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.gallery-card--featured {
  min-height: 360px;
}

.gallery-card img {
  transition: transform 220ms ease;
}

.gallery-card:hover img,
.gallery-card:focus-visible img {
  transform: scale(1.04);
}

.gallery-card__tag {
  position: absolute;
  left: 16px;
  bottom: 16px;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(10, 10, 10, 0.74);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
}

.access-panel {
  padding: 24px;
}

.info-list {
  display: grid;
  gap: 14px;
  margin: 0;
}

.info-list div {
  display: grid;
  gap: 6px;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.info-list dt {
  color: var(--accent-sub);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.info-list dd {
  margin: 0;
}

.map-frame {
  width: 100%;
  min-height: 360px;
  border: 0;
  border-radius: 28px;
  box-shadow: var(--shadow);
}

.map-frame--wide {
  min-height: 460px;
}

.narrow-layout {
  max-width: 860px;
}

.price-table {
  padding: 24px;
}

.price-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.price-row strong {
  font-size: 1.04rem;
}

.price-note {
  margin: 18px 0 0;
  color: var(--text-sub);
}

.stack-list {
  display: grid;
}

.chip-list {
  margin-top: 18px;
}

.chip {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
}

.payment-grid {
  gap: 18px;
}

.payment-card {
  display: inline-flex;
  min-width: 180px;
  align-items: center;
  gap: 12px;
  padding: 18px 20px;
  border: 1px solid var(--border);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.04);
}

.payment-card i {
  font-size: 2rem;
  color: var(--accent-sub);
}

.route-card ul {
  margin: 14px 0 0;
  padding-left: 18px;
}

.route-card__icon,
.benefit-card i,
.contact-card i {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(255, 140, 0, 0.16), rgba(255, 179, 71, 0.1));
  color: var(--accent-sub);
  font-size: 1.35rem;
}

.benefit-card,
.contact-card {
  display: grid;
  gap: 12px;
}

.benefit-card h3,
.step-card h3,
.contact-card h2,
.route-card h2 {
  margin: 0;
}

.section-note--accent {
  margin-top: 22px;
  color: var(--accent-sub);
}

.step-card {
  overflow: hidden;
}

.step-card__index {
  display: inline-flex;
  width: 52px;
  height: 52px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-sub));
  color: #140b02;
  font-weight: 700;
}

.contact-card {
  min-height: 220px;
}

.contact-card--muted {
  opacity: 0.74;
}

.form-shell {
  padding: 24px;
}

.contact-form {
  display: grid;
  gap: 18px;
}

.form-grid {
  display: grid;
  gap: 16px;
}

.form-grid label,
.form-grid__full {
  display: grid;
  gap: 10px;
}

.form-grid span,
.form-grid__full span {
  font-size: 0.9rem;
  letter-spacing: 0.08em;
}

.site-footer {
  padding: 56px 0 92px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-grid {
  display: grid;
  gap: 24px;
}

.footer-brand-wrap {
  display: grid;
  gap: 12px;
}

.footer-brand {
  margin: 0;
  font-size: 1.5rem;
  letter-spacing: 0.14em;
}

.footer-copy,
.footer-details {
  margin: 0;
}

.social-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border: 1px solid var(--border);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.03);
  transition: transform 180ms ease, border-color 180ms ease;
}

.social-links a:hover,
.social-links a:focus-visible {
  transform: translateY(-4px);
  border-color: rgba(255, 179, 71, 0.48);
}

.footer-bottom {
  margin-top: 24px;
  color: var(--text-sub);
  font-size: 0.85rem;
}

.mobile-bar {
  position: fixed;
  left: 16px;
  right: 16px;
  bottom: 14px;
  z-index: 70;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.mobile-bar a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 52px;
  border-radius: 999px;
  background: rgba(10, 10, 10, 0.9);
  border: 1px solid var(--border);
  backdrop-filter: blur(12px);
}

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 90;
  display: none;
}

.lightbox.is-open {
  display: block;
}

.lightbox__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.82);
}

.lightbox__dialog {
  position: relative;
  z-index: 1;
  width: min(960px, calc(100vw - 24px));
  margin: 60px auto 0;
  border-radius: 24px;
  overflow: hidden;
  background: #111111;
  box-shadow: var(--shadow);
}

.lightbox__dialog img {
  width: 100%;
  max-height: 72vh;
  object-fit: contain;
  background: #090909;
}

.lightbox__close {
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 2;
  display: inline-flex;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(10, 10, 10, 0.72);
  color: var(--text);
}

.lightbox__caption {
  padding: 14px 18px 18px;
  color: var(--text-sub);
}

.fade-in-section {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 600ms ease, transform 600ms ease;
}

.fade-in-section.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes bounce {
  0%,
  100% {
    transform: translate(-50%, 0);
  }
  50% {
    transform: translate(-50%, 8px);
  }
}

@media (min-width: 768px) {
  .section {
    padding: 80px 0;
  }

  .site-header__inner {
    min-height: 82px;
  }

  .menu-toggle {
    display: none;
  }

  .site-nav {
    position: static;
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 18px;
    padding: 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
  }

  .split-layout,
  .access-layout,
  .detail-grid,
  .system-grid,
  .route-grid,
  .staff-grid,
  .contact-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .cast-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .gallery-grid {
    grid-auto-flow: dense;
  }

  .gallery-card--featured {
    grid-column: span 2;
  }

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

  .footer-grid {
    grid-template-columns: 1.2fr 1fr auto;
    align-items: start;
  }
}

@media (min-width: 1024px) {
  .route-grid,
  .staff-grid,
  .contact-grid,
  .benefit-grid,
  .step-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .section-head {
    flex-direction: row;
    justify-content: space-between;
    align-items: end;
  }

  .section-head > * {
    max-width: 50rem;
  }
}

@media (max-width: 767px) {
  .hero__actions,
  .inline-actions {
    display: grid;
    width: 100%;
  }

  .button {
    width: 100%;
  }

  .mobile-bar {
    display: grid;
  }
}

@media (min-width: 768px) {
  .mobile-bar {
    display: none;
  }
}