:root {
  --ink: #20133b;
  --navy: #062f98;
  --royal: #194fc3;
  --sky: #91a5f4;
  --pink: #ff2bb3;
  --pink-deep: #d10a88;
  --pink-soft: #ffd1ec;
  --ivory: #fff8dc;
  --parchment: #f6edd1;
  --gold: #e4b12f;
  --gold-light: #ffe279;
  --line: rgba(209, 10, 136, 0.16);
  --shadow: 0 22px 70px rgba(42, 32, 84, 0.18);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  position: relative;
  margin: 0;
  color: var(--ink);
  font-family: "Noto Serif JP", "Hiragino Mincho ProN", "Yu Mincho", serif;
  background:
    radial-gradient(circle at 8% 8%, rgba(255, 43, 179, 0.2), transparent 10%),
    radial-gradient(circle at 92% 10%, rgba(145, 165, 244, 0.28), transparent 11%),
    radial-gradient(circle at 86% 92%, rgba(255, 43, 179, 0.16), transparent 18%),
    linear-gradient(90deg, rgba(228, 177, 47, 0.12) 1px, transparent 1px),
    linear-gradient(rgba(228, 177, 47, 0.1) 1px, transparent 1px),
    var(--ivory);
  background-size: auto, auto, auto, 42px 42px, 42px 42px, auto;
  line-height: 1.85;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 7% 18%, rgba(255, 43, 179, 0.55) 0 2px, transparent 3px),
    radial-gradient(circle at 14% 10%, rgba(255, 43, 179, 0.45) 0 3px, transparent 4px),
    radial-gradient(circle at 82% 12%, rgba(25, 79, 195, 0.42) 0 3px, transparent 4px),
    radial-gradient(circle at 91% 24%, rgba(25, 79, 195, 0.38) 0 2px, transparent 3px),
    linear-gradient(180deg, rgba(255, 255, 255, 0.38), rgba(255, 248, 220, 0));
  mix-blend-mode: multiply;
  opacity: 0.5;
  z-index: 0;
}

img {
  display: block;
  width: 100%;
  height: auto;
}

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

main,
.site-footer {
  position: relative;
  z-index: 1;
}

.site-header {
  position: fixed;
  top: 0;
  right: 0;
  z-index: 30;
  pointer-events: none;
}

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

.menu-toggle {
  position: fixed;
  top: clamp(14px, 2.2vw, 32px);
  right: clamp(14px, 2.2vw, 34px);
  z-index: 42;
  display: grid;
  grid-template-columns: 1fr;
  place-items: center;
  width: clamp(68px, 7vw, 92px);
  height: clamp(68px, 7vw, 92px);
  padding: 0;
  color: #fff;
  cursor: pointer;
  pointer-events: auto;
  background:
    radial-gradient(circle at 34% 26%, rgba(255, 255, 255, 0.38), transparent 34%),
    linear-gradient(145deg, rgba(255, 43, 179, 0.84), rgba(25, 79, 195, 0.9));
  border: 1px solid rgba(255, 226, 121, 0.9);
  box-shadow:
    0 18px 45px rgba(32, 19, 59, 0.24),
    inset 0 0 0 5px rgba(255, 255, 255, 0.13),
    inset 0 0 22px rgba(255, 226, 121, 0.26);
  backdrop-filter: blur(8px);
  transform: rotate(2deg);
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.menu-toggle::before,
.menu-toggle::after {
  content: "";
  position: absolute;
  pointer-events: none;
}

.menu-toggle::before {
  inset: 8px;
  border: 1px solid rgba(255, 247, 232, 0.36);
}

.menu-toggle::after {
  top: -6px;
  right: -6px;
  width: 18px;
  height: 18px;
  background:
    radial-gradient(circle, #fff 0 20%, transparent 21%),
    linear-gradient(135deg, transparent 0 16%, var(--gold-light) 16% 84%, transparent 84%);
  border: 1px solid rgba(255, 255, 255, 0.86);
  transform: rotate(45deg);
  filter: drop-shadow(0 2px 4px rgba(40, 24, 54, 0.3));
}

.menu-toggle:hover,
.menu-toggle:focus-visible,
.menu-toggle[aria-expanded="true"] {
  border-color: #fff3c8;
  transform: rotate(0deg) translateY(-1px);
}

.menu-label {
  margin-top: 7px;
  font-family: "Cinzel", "Noto Serif JP", serif;
  font-size: clamp(0.62rem, 1.05vw, 0.82rem);
  font-weight: 700;
  line-height: 1;
  text-transform: uppercase;
  text-shadow: 0 2px 8px rgba(25, 14, 45, 0.5);
}

.menu-icon {
  display: grid;
  gap: 6px;
  width: 31px;
  margin-bottom: 8px;
}

.menu-icon span {
  display: block;
  height: 2px;
  background: linear-gradient(90deg, #fff, var(--gold-light));
  box-shadow: 0 1px 5px rgba(30, 18, 45, 0.45);
  transition: transform 180ms ease, opacity 180ms ease;
}

.menu-toggle[aria-expanded="true"] .menu-icon span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] .menu-icon span:nth-child(2) {
  opacity: 0;
}

.menu-toggle[aria-expanded="true"] .menu-icon span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

.menu-panel {
  position: fixed;
  top: 0;
  right: 0;
  z-index: 38;
  display: grid;
  align-content: start;
  gap: 18px;
  width: 86vw;
  max-width: 360px;
  min-height: 100svh;
  padding: 138px 42px 42px;
  color: #fff;
  pointer-events: auto;
  background:
    radial-gradient(circle at 18% 8%, rgba(255, 226, 121, 0.28), transparent 19%),
    linear-gradient(145deg, rgba(6, 47, 152, 0.96), rgba(25, 79, 195, 0.94) 48%, rgba(255, 43, 179, 0.92)),
    var(--navy);
  border-left: 1px solid rgba(255, 226, 121, 0.68);
  box-shadow: -24px 0 72px rgba(19, 13, 32, 0.36);
  transform: translateX(105%);
  transition: transform 240ms ease;
}

.menu-panel::before {
  content: "20th Anniversary Exhibition";
  display: block;
  margin-bottom: 14px;
  color: var(--gold-light);
  font-family: "Cinzel", "Noto Serif JP", serif;
  font-size: 0.78rem;
  font-weight: 700;
}

.menu-panel a {
  display: block;
  padding: 12px 0;
  font-family: "Cinzel", "Noto Serif JP", serif;
  font-size: 1.35rem;
  font-weight: 700;
  border-bottom: 1px solid rgba(255, 226, 121, 0.34);
}

.menu-backdrop {
  position: fixed;
  inset: 0;
  z-index: 34;
  display: none;
  padding: 0;
  pointer-events: auto;
  background: rgba(32, 19, 59, 0.28);
  border: 0;
}

body.menu-open .menu-panel {
  transform: translateX(0);
}

body.menu-open .menu-backdrop {
  display: block;
}

.hero {
  position: relative;
  z-index: 2;
  min-height: 0;
  display: block;
  isolation: isolate;
  overflow: hidden;
  background:
    linear-gradient(180deg, #fff 0 78%, rgba(255, 43, 179, 0.11) 100%),
    var(--ivory);
}

.hero-poster {
  position: relative;
  z-index: 2;
  display: block;
  width: 100%;
  max-width: 1080px;
  height: auto;
  margin: 0 auto;
  box-shadow: 0 0 0 1px rgba(32, 19, 59, 0.1), 0 26px 80px rgba(255, 43, 179, 0.16);
}

.hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 130px;
  background: linear-gradient(0deg, var(--ivory), rgba(255, 255, 255, 0));
  z-index: -1;
}

.section-inner {
  position: relative;
  z-index: 2;
  width: calc(100% - 40px);
  max-width: 1120px;
  margin: 0 auto;
  padding: clamp(70px, 9vw, 118px) 0;
}

h2 {
  margin: 0;
  font-size: clamp(2rem, 4.2vw, 4.15rem);
  line-height: 1.22;
  letter-spacing: 0;
  overflow-wrap: anywhere;
  line-break: anywhere;
}

h3,
p {
  margin-top: 0;
  overflow-wrap: anywhere;
  line-break: anywhere;
}

.concept p {
  font-size: clamp(1rem, 1.5vw, 1.12rem);
  font-weight: 500;
}

.lead-copy {
  max-width: 980px;
}

.lead-copy p:not(:last-child) {
  margin-bottom: 1.35em;
}

.concept {
  background:
    radial-gradient(circle at 8% 12%, rgba(255, 43, 179, 0.13), transparent 22%),
    radial-gradient(circle at 90% 16%, rgba(145, 165, 244, 0.16), transparent 24%),
    linear-gradient(120deg, rgba(255, 248, 220, 0.98), rgba(255, 209, 236, 0.54)),
    var(--parchment);
}

.ornament {
  width: 60%;
  max-width: 240px;
  height: 10px;
  margin: 26px 0 28px;
  background:
    linear-gradient(90deg, transparent 0 12px, var(--gold) 12px 70%, transparent 70%),
    linear-gradient(90deg, var(--pink) 0 35%, transparent 35%);
  background-size: 100% 2px, 100% 2px;
  background-position: center top, center bottom;
  background-repeat: no-repeat;
}

.outline {
  color: var(--ink);
  background:
    radial-gradient(circle at 90% 12%, rgba(145, 165, 244, 0.22), transparent 24%),
    linear-gradient(120deg, rgba(255, 248, 220, 0.98), rgba(230, 236, 255, 0.72)),
    var(--parchment);
}

.outline h2,
.benefit h2,
.tickets h2 {
  color: var(--ink);
}

.outline-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 42px);
  margin-top: 34px;
  align-items: start;
}

.info-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: rgba(228, 177, 47, 0.4);
  border: 1px solid rgba(228, 177, 47, 0.55);
}

.info-grid article {
  padding: 28px 24px;
  background: rgba(255, 255, 255, 0.54);
  overflow-wrap: anywhere;
}

.info-grid h3 {
  margin: 0 0 16px;
  color: var(--pink-deep);
  font-size: 1rem;
}

.info-grid p {
  margin: 0;
  font-weight: 700;
}

small {
  color: inherit;
  font-size: 0.86em;
  opacity: 0.86;
}

.tickets {
  color: var(--ink);
  background:
    radial-gradient(circle at 14% 18%, rgba(255, 43, 179, 0.14), transparent 24%),
    linear-gradient(120deg, rgba(255, 248, 220, 0.98), rgba(255, 209, 236, 0.72)),
    var(--ivory);
}

.section-heading-row {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: end;
}

.benefit {
  color: var(--ink);
  background:
    radial-gradient(circle at 18% 18%, rgba(25, 79, 195, 0.15), transparent 24%),
    radial-gradient(circle at 88% 76%, rgba(255, 43, 179, 0.13), transparent 24%),
    linear-gradient(120deg, rgba(255, 248, 220, 0.98), rgba(230, 236, 255, 0.64)),
    var(--ivory);
}

.benefit-layout {
  margin-top: 30px;
}

.benefit-box {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(220px, 320px);
  gap: clamp(28px, 5vw, 56px);
  align-items: center;
  max-width: 980px;
  padding: clamp(26px, 4vw, 42px);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.8), rgba(255, 248, 220, 0.72));
  border: 1px solid rgba(228, 177, 47, 0.64);
  box-shadow: var(--shadow);
}

.benefit-box p {
  margin: 0;
  font-size: clamp(1.15rem, 2vw, 1.45rem);
  font-weight: 900;
}

.benefit-box p + p {
  margin-top: 8px;
}

.benefit-box small {
  font-size: 0.86rem;
  font-weight: 700;
}

.benefit-visual {
  margin: 0;
}

.benefit-visual img {
  aspect-ratio: 1;
  object-fit: cover;
  background: rgba(255, 253, 245, 0.82);
  border: 1px solid rgba(228, 177, 47, 0.72);
  box-shadow: var(--shadow);
}

.ticket-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  max-width: 720px;
  margin-top: 34px;
  background: rgba(228, 177, 47, 0.42);
  border: 1px solid rgba(228, 177, 47, 0.58);
}

.ticket-grid article {
  padding: 28px 24px;
  background: rgba(255, 255, 255, 0.58);
}

.ticket-grid h3 {
  margin: 0 0 10px;
  color: var(--pink-deep);
  font-size: 1rem;
}

.ticket-grid p {
  margin: 0;
  font-size: clamp(1.35rem, 2.3vw, 1.75rem);
  font-weight: 900;
}

.ticket-release {
  margin: 30px 0 8px;
  color: var(--ink);
  font-size: clamp(1rem, 1.5vw, 1.12rem);
  font-weight: 900;
}

.ticket-actions {
  margin-top: 20px;
}

.ticket-cta {
  display: inline-block;
  min-width: min(100%, 280px);
  padding: 14px 28px;
  color: #fff;
  text-align: center;
  font-weight: 900;
  background:
    linear-gradient(135deg, var(--pink), var(--royal));
  border: 1px solid rgba(255, 226, 121, 0.9);
  box-shadow: 0 16px 36px rgba(209, 10, 136, 0.22);
  transition: transform 180ms ease, box-shadow 180ms ease;
  overflow-wrap: anywhere;
}

.ticket-cta::after {
  content: "";
  display: inline-block;
  width: 0.5em;
  height: 0.5em;
  margin-left: 0.75em;
  border-top: 2px solid currentColor;
  border-right: 2px solid currentColor;
  transform: rotate(45deg) translateY(-1px);
}

.ticket-cta:hover,
.ticket-cta:focus-visible {
  box-shadow: 0 20px 44px rgba(25, 79, 195, 0.26);
  transform: translateY(-1px);
}

.ticket-notes {
  display: grid;
  gap: 8px;
  max-width: 980px;
  padding: 0;
  margin: 28px 0 0;
  font-size: 0.92rem;
  line-height: 1.72;
  list-style: none;
}

.ticket-notes li {
  margin: 0;
  overflow-wrap: anywhere;
  line-break: anywhere;
}

.map-panel {
  position: relative;
  overflow: hidden;
  width: 100%;
  aspect-ratio: 16 / 9;
  min-height: 360px;
  background: rgba(255, 250, 240, 0.76);
  border: 1px solid rgba(228, 177, 47, 0.68);
  box-shadow: var(--shadow);
}

.map-panel iframe {
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
}

.character-lineup {
  position: relative;
  z-index: 1;
  padding: clamp(48px, 8vw, 92px) 0 0;
  background:
    linear-gradient(180deg, rgba(255, 209, 236, 0.32), #fff 46%, #fff);
}

.character-lineup img {
  width: min(1440px, calc(100% - 32px));
  max-height: 520px;
  margin: 0 auto;
  object-fit: contain;
}

.site-footer {
  padding: 34px 20px;
  color: #fff;
  text-align: center;
  background: #050505;
}

.site-footer p {
  margin: 0;
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0;
}

.section-reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 520ms ease, transform 520ms ease;
}

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

@media (max-width: 980px) {
  .benefit-box {
    grid-template-columns: 1fr;
  }

  .benefit-visual {
    width: min(360px, 100%);
    margin: 0 auto;
  }

}

@media (max-width: 700px) {
  body {
    background-size: 28px 28px, 28px 28px, auto;
  }

  .menu-toggle {
    top: 12px;
    right: 12px;
    width: 66px;
    height: 66px;
  }

  .menu-panel {
    width: 86vw;
    max-width: 310px;
    padding: 112px 30px 34px;
  }

  .menu-panel a {
    font-size: 1.12rem;
  }

  .hero,
  .hero-poster {
    min-height: 0;
  }

  .section-inner {
    width: calc(100% - 28px);
    max-width: 1120px;
    padding: 62px 0;
  }

  h2 {
    font-size: clamp(1.55rem, 7.6vw, 2rem);
  }

  .info-grid {
    grid-template-columns: 1fr;
  }

  .ticket-grid {
    grid-template-columns: 1fr;
  }

  .ticket-cta {
    width: 100%;
  }

  .section-heading-row {
    align-items: start;
    flex-direction: column;
  }

  .map-panel {
    min-height: 0;
  }

  .site-footer {
    padding: 28px 14px;
  }

}