/* ===========================
   THA BLOCK 2026 - Style
   =========================== */

:root {
  --black: #0a0a0a;
  --dark: #1a1a1a;
  --dark-2: #222222;
  --dark-3: #2a2a2a;
  --red: #e63e31;
  --red-dark: #b82e24;
  --gold: #c5a032;
  --gold-light: #d4b44a;
  --white: #ffffff;
  --gray: #999999;
  --gray-light: #cccccc;
  --font-ja: 'Noto Sans JP', sans-serif;
  --font-en: 'Playfair Display', serif;
}

/* Reset */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-ja);
  background: var(--black);
  color: var(--white);
  line-height: 1.8;
  overflow-x: hidden;
}

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

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===========================
   Navigation
   =========================== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: background 0.3s, padding 0.3s;
}

.nav.scrolled {
  background: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(10px);
  padding: 8px 0;
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Nav logo: hidden by default, shown when floating logo is not active */
.nav-logo {
  opacity: 0;
}

.nav-logo.visible {
  opacity: 1;
}

.nav-logo img {
  height: 64px;
  width: auto;
}

/* Floating logo that transitions from hero to nav */
.floating-logo {
  position: fixed;
  z-index: 1001;
  pointer-events: none;
  will-change: transform, top, left, width;
  transition: none;
}

.floating-logo img {
  width: 100%;
  height: auto;
  filter: drop-shadow(0 4px 20px rgba(0, 0, 0, 0.5));
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 1001;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  margin: 5px 0;
  transition: transform 0.3s, opacity 0.3s;
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}
.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 32px;
}

.nav-links a {
  font-family: var(--font-en);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  transition: color 0.3s;
}

.nav-links a:hover {
  color: var(--red);
}

/* ===========================
   Hero Section
   =========================== */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
}

.hero-bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(10, 10, 10, 0.3) 0%,
    rgba(10, 10, 10, 0.1) 40%,
    rgba(10, 10, 10, 0.5) 70%,
    rgba(10, 10, 10, 0.9) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 0 24px;
}

.hero-logo {
  width: min(400px, 70vw);
  margin: 0 auto 32px;
  filter: drop-shadow(0 4px 20px rgba(0, 0, 0, 0.5));
  animation: fadeInUp 1s ease-out 0.3s both;
}

.hero-catchcopy {
  font-size: clamp(1rem, 3vw, 1.5rem);
  font-weight: 700;
  letter-spacing: 0.15em;
  margin-bottom: 40px;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.8);
  animation: fadeInUp 1s ease-out 0.6s both;
}

.hero-date {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  animation: fadeInUp 1s ease-out 0.9s both;
}

.hero-date-num {
  font-family: var(--font-en);
  font-size: clamp(2.5rem, 8vw, 5rem);
  font-weight: 900;
  letter-spacing: 0.05em;
  line-height: 1;
  background: linear-gradient(135deg, var(--white) 0%, var(--gold) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-date-venue {
  font-size: clamp(1rem, 3vw, 1.5rem);
  font-weight: 700;
  letter-spacing: 0.3em;
  color: var(--gold);
}

.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  animation: fadeIn 1s ease-out 1.5s both;
}

.hero-scroll span {
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--gray);
}

.hero-scroll-line {
  width: 1px;
  height: 40px;
  background: var(--gray);
  animation: scrollLine 2s ease-in-out infinite;
}

/* ===========================
   Concept Section
   =========================== */
.concept {
  padding: 120px 0;
  background: var(--dark);
  position: relative;
}

.concept::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--red), transparent);
}

.concept-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  margin-bottom: 60px;
}

.concept-headline {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  font-weight: 900;
  line-height: 1.5;
  margin-bottom: 40px;
  background: linear-gradient(135deg, var(--white) 0%, var(--gold-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.concept-body p {
  margin-bottom: 20px;
  font-size: 0.95rem;
  color: var(--gray-light);
  line-height: 2;
}

.concept-about {
  margin-top: 48px;
  padding: 32px;
  border: 1px solid var(--dark-3);
  border-left: 3px solid var(--red);
  background: rgba(255, 255, 255, 0.02);
}

.concept-about h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--red);
}

.concept-about p {
  font-size: 0.9rem;
  color: var(--gray);
  line-height: 1.9;
}

.concept-visual {
  position: relative;
}

.concept-img {
  border-radius: 4px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.concept-character {
  position: absolute;
  bottom: -30px;
  right: -20px;
  width: 140px;
  filter: drop-shadow(0 4px 20px rgba(0, 0, 0, 0.5));
}

.concept-logos {
  text-align: center;
  padding-top: 40px;
}

.concept-logo-oneverse {
  height: 40px;
  width: auto;
  margin: 0 auto;
  opacity: 0.7;
}

/* ===========================
   Section Title (shared)
   =========================== */
.section-title {
  text-align: center;
  margin-bottom: 60px;
}

.section-title-en {
  display: block;
  font-family: var(--font-en);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 900;
  letter-spacing: 0.1em;
  line-height: 1;
  margin-bottom: 12px;
}

.section-title-ja {
  display: block;
  font-size: 0.9rem;
  color: var(--gray);
  letter-spacing: 0.2em;
}

/* ===========================
   Movie Section
   =========================== */
.movie {
  padding: 120px 0;
  background: var(--black);
}

.movie-wrapper {
  max-width: 800px;
  margin: 0 auto;
}

.movie-embed {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  border-radius: 8px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.movie-embed iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

/* ===========================
   Message Section
   =========================== */
.message {
  padding: 120px 0;
  background: var(--dark);
}

.message-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  margin-bottom: 64px;
}

.message-row.reverse .message-text {
  order: 2;
}

.message-row.reverse .message-photo {
  order: 1;
}

.message-row:last-child {
  margin-bottom: 0;
}

.message-headline {
  font-size: clamp(1.3rem, 3.5vw, 2rem);
  font-weight: 900;
  line-height: 1.5;
  margin-bottom: 28px;
  background: linear-gradient(135deg, var(--white) 0%, var(--gold-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.message-body p {
  font-size: 0.95rem;
  color: var(--gray-light);
  line-height: 2.2;
  margin-bottom: 16px;
}

.message-body p:last-child {
  margin-bottom: 0;
}

.message-photo {
  overflow: hidden;
  border-radius: 6px;
}

.message-photo img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 6px;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.4);
}

.message-quote {
  max-width: 720px;
  margin: 0 auto 64px;
  padding: 40px 0;
  text-align: center;
  border-top: 1px solid var(--dark-3);
  border-bottom: 1px solid var(--dark-3);
}

.message-quote p {
  font-size: clamp(1.2rem, 3vw, 1.6rem);
  font-weight: 900;
  line-height: 1.8;
  color: var(--gold);
  letter-spacing: 0.08em;
}

/* Vision Banner */
.vision-banner {
  position: relative;
  overflow: hidden;
}

.vision-banner img {
  width: 100%;
  height: 500px;
  object-fit: cover;
  object-position: center 70%;
  display: block;
}

/* ===========================
   Map Section
   =========================== */
.map-section {
  padding: 120px 0;
  background: var(--black);
}

.map-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 80px;
}

.map-svg-container {
  width: 100%;
  max-width: 700px;
  margin: 0 auto;
}

.map-svg-container svg {
  width: 100%;
  height: auto;
}

.map-svg-container svg {
  max-height: 500px;
}

.map-legend {
  display: flex;
  gap: 24px;
  margin-top: 24px;
  justify-content: center;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--gray);
}

.legend-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.legend-confirmed {
  background: var(--red);
}

.legend-considering {
  background: var(--gold);
  opacity: 0.6;
}

.legend-done {
  background: var(--gray);
}

/* Timeline */
.timeline {
  position: relative;
  max-width: 700px;
  margin: 0 auto;
  padding: 20px 0;
}

.timeline-line {
  position: absolute;
  left: 20px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--gray), var(--red), var(--gold));
}

.timeline-item {
  position: relative;
  padding-left: 60px;
  margin-bottom: 40px;
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-dot {
  position: absolute;
  left: 12px;
  top: 4px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 2px solid var(--gray);
  background: var(--black);
}

.timeline-item.done .timeline-dot {
  border-color: var(--gray);
  background: var(--gray);
}

.timeline-item.upcoming .timeline-dot {
  border-color: var(--red);
  background: var(--black);
}

.timeline-item.final .timeline-dot {
  border-color: var(--gold);
  background: var(--gold);
  box-shadow: 0 0 12px rgba(197, 160, 50, 0.5);
}

.timeline-content {
  display: flex;
  align-items: baseline;
  gap: 16px;
  flex-wrap: wrap;
}

.timeline-date {
  font-family: var(--font-en);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--gray-light);
  min-width: 100px;
}

.timeline-label {
  font-weight: 700;
  font-size: 1rem;
}

.timeline-status {
  font-size: 0.75rem;
  padding: 2px 10px;
  border-radius: 20px;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.status-done {
  background: rgba(153, 153, 153, 0.2);
  color: var(--gray);
}

.status-upcoming {
  background: rgba(230, 62, 49, 0.15);
  color: var(--red);
}

.status-considering {
  background: rgba(197, 160, 50, 0.15);
  color: var(--gold);
}

.status-final {
  background: rgba(197, 160, 50, 0.2);
  color: var(--gold);
}

.timeline-item.final .timeline-label {
  color: var(--gold);
  font-size: 1.2rem;
}

/* ===========================
   Events Section
   =========================== */
.events {
  padding: 120px 0;
  background: var(--dark);
}

.events-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}

.event-card {
  background: var(--dark-2);
  border: 1px solid var(--dark-3);
  border-radius: 8px;
  padding: 28px;
  transition: transform 0.3s, box-shadow 0.3s;
}

.event-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

.event-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.event-status {
  font-size: 0.7rem;
  padding: 3px 12px;
  border-radius: 20px;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.event-region {
  font-size: 0.8rem;
  color: var(--gray);
}

.event-title {
  font-size: 1.1rem;
  font-weight: 900;
  margin-bottom: 12px;
}

.event-details {
  margin-bottom: 12px;
}

.event-date {
  font-family: var(--font-en);
  font-size: 0.9rem;
  color: var(--gray-light);
  font-weight: 700;
}

.event-venue {
  font-size: 0.85rem;
  color: var(--gray);
}

.event-desc {
  font-size: 0.85rem;
  color: var(--gray);
  line-height: 1.7;
}

.event-ticket {
  display: inline-block;
  margin-top: 16px;
  padding: 8px 20px;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--red);
  border: 1px solid var(--red);
  border-radius: 4px;
  letter-spacing: 0.05em;
  transition: background 0.3s, color 0.3s;
}

.event-ticket:hover {
  background: var(--red);
  color: var(--white);
}

.event-venue-img {
  margin-top: 16px;
  border-radius: 4px;
  width: 100%;
  height: 160px;
  object-fit: cover;
}

.event-card.event-final {
  border-color: var(--gold);
  background: linear-gradient(135deg, var(--dark-2) 0%, rgba(197, 160, 50, 0.08) 100%);
  grid-column: 1 / -1;
}

.event-card.event-final .event-title {
  font-size: 1.3rem;
  color: var(--gold);
}

.event-card.event-done {
  opacity: 0.7;
}

.event-card.event-considering {
  border-style: dashed;
}

/* ===========================
   Archive / Gallery Section
   =========================== */
.archive {
  padding: 120px 0;
  background: var(--black);
}

.archive-intro {
  text-align: center;
  max-width: 700px;
  margin: -20px auto 48px;
  font-size: 0.95rem;
  color: var(--gray);
  line-height: 1.9;
}

.gallery {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.gallery-item {
  overflow: hidden;
  border-radius: 4px;
  cursor: pointer;
  aspect-ratio: 4/3;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s;
}

.gallery-item:hover img {
  transform: scale(1.08);
}

.archive-more {
  text-align: center;
  margin-top: 40px;
}

.btn-archive {
  display: inline-block;
  padding: 16px 48px;
  border: 1px solid var(--gray);
  color: var(--white);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  border-radius: 4px;
  transition: border-color 0.3s, background 0.3s, transform 0.3s;
}

.btn-archive:hover {
  border-color: var(--red);
  background: rgba(230, 62, 49, 0.1);
  transform: translateY(-2px);
}

/* Lightbox */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.95);
  z-index: 2000;
  align-items: center;
  justify-content: center;
}

.lightbox.active {
  display: flex;
}

.lightbox-img {
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain;
}

.lightbox-close {
  position: absolute;
  top: 20px;
  right: 24px;
  background: none;
  border: none;
  color: var(--white);
  font-size: 2.5rem;
  cursor: pointer;
  z-index: 2001;
  line-height: 1;
}

.lightbox-prev,
.lightbox-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--white);
  font-size: 2rem;
  cursor: pointer;
  padding: 16px;
  z-index: 2001;
}

.lightbox-prev { left: 16px; }
.lightbox-next { right: 16px; }

/* ===========================
   Sponsor Section
   =========================== */
.sponsor {
  padding: 120px 0;
  background: var(--dark);
}

.sponsor-tiers {
  max-width: 800px;
  margin: 0 auto 48px;
}

.sponsor-tier {
  margin-bottom: 40px;
}

.sponsor-tier-name {
  font-family: var(--font-en);
  font-size: 1rem;
  letter-spacing: 0.15em;
  text-align: center;
  margin-bottom: 20px;
  color: var(--gold);
}

.sponsor-slots {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.sponsor-slot {
  width: 280px;
  height: 120px;
  border: 2px dashed var(--dark-3);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-en);
  font-size: 0.9rem;
  color: var(--gray);
  letter-spacing: 0.1em;
}

.sponsor-cta {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.sponsor-cta p {
  font-size: 0.9rem;
  color: var(--gray);
  margin-bottom: 24px;
  line-height: 1.9;
}

.btn {
  display: inline-block;
  padding: 14px 40px;
  border-radius: 4px;
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.05em;
  transition: transform 0.3s, box-shadow 0.3s;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-gold {
  background: linear-gradient(135deg, var(--gold) 0%, var(--gold-light) 100%);
  color: var(--black);
}

.btn-gold:hover {
  box-shadow: 0 8px 30px rgba(197, 160, 50, 0.3);
}

/* ===========================
   Contact Section
   =========================== */
.contact {
  padding: 120px 0;
  background: var(--black);
}

.contact-lead {
  text-align: center;
  max-width: 600px;
  margin: -20px auto 24px;
  font-size: 1rem;
  line-height: 2;
  color: var(--gray-light);
}

.contact-sub {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 48px;
  font-size: 0.9rem;
  line-height: 2;
  color: var(--gray);
}

.contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
  max-width: 800px;
  margin: 0 auto;
}

.contact-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 28px;
  background: var(--dark-2);
  border: 1px solid var(--dark-3);
  border-radius: 8px;
  transition: border-color 0.3s, transform 0.3s;
  font-size: 0.9rem;
}

.contact-link:hover {
  border-color: var(--red);
  transform: translateY(-2px);
}

.contact-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

/* ===========================
   Footer
   =========================== */
.footer {
  padding: 48px 0;
  background: var(--dark);
  border-top: 1px solid var(--dark-3);
}

.footer-inner {
  text-align: center;
}

.footer-logo {
  height: 28px;
  width: auto;
  margin: 0 auto 16px;
  opacity: 0.6;
}

.footer-org {
  font-size: 0.8rem;
  color: var(--gray);
  margin-bottom: 8px;
}

.footer-copy {
  font-size: 0.75rem;
  color: var(--gray);
  opacity: 0.6;
}

/* ===========================
   Scroll Animations
   =========================== */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

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

/* ===========================
   Keyframes
   =========================== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes scrollLine {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ===========================
   Map Tooltip
   =========================== */
.map-tooltip {
  position: absolute;
  background: var(--dark-2);
  border: 1px solid var(--dark-3);
  padding: 8px 14px;
  border-radius: 4px;
  font-size: 0.8rem;
  pointer-events: none;
  z-index: 100;
  white-space: nowrap;
  opacity: 0;
  transition: opacity 0.2s;
}

.map-tooltip.show {
  opacity: 1;
}

/* ===========================
   Expo Gallery Page
   =========================== */

/* Nav override for gallery page */
.expo-page .nav {
  background: rgba(10, 10, 10, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.expo-page .nav-logo {
  opacity: 1;
}

.expo-nav-back {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  color: var(--gray);
  transition: color 0.3s;
}

.expo-nav-back:hover {
  color: var(--white);
}

.expo-nav-back svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

/* Hero */
.expo-hero {
  position: relative;
  height: 70vh;
  min-height: 480px;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  overflow: hidden;
  padding-bottom: 80px;
}

.expo-hero-bg {
  position: absolute;
  inset: 0;
}

.expo-hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
}

.expo-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(10, 10, 10, 0.2) 0%,
    rgba(10, 10, 10, 0.4) 40%,
    rgba(10, 10, 10, 0.85) 80%,
    rgba(10, 10, 10, 1) 100%
  );
}

.expo-hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 0 24px;
}

.expo-hero-eyebrow {
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 16px;
  animation: fadeInUp 0.8s ease-out 0.2s both;
}

.expo-hero-title {
  font-family: var(--font-en);
  font-size: clamp(3rem, 10vw, 7rem);
  font-weight: 900;
  letter-spacing: 0.05em;
  line-height: 0.9;
  margin-bottom: 20px;
  background: linear-gradient(135deg, var(--white) 0%, rgba(255, 255, 255, 0.7) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: fadeInUp 0.8s ease-out 0.4s both;
}

.expo-hero-subtitle {
  font-size: clamp(1rem, 2.5vw, 1.4rem);
  font-weight: 700;
  letter-spacing: 0.25em;
  color: var(--gray-light);
  animation: fadeInUp 0.8s ease-out 0.6s both;
}

.expo-hero-desc {
  margin-top: 24px;
  font-size: 0.9rem;
  color: var(--gray);
  letter-spacing: 0.05em;
  line-height: 1.9;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
  animation: fadeInUp 0.8s ease-out 0.8s both;
}

/* Photo count bar */
.expo-meta {
  background: var(--dark);
  border-bottom: 1px solid var(--dark-3);
  padding: 16px 0;
}

.expo-meta-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.expo-meta-label {
  font-size: 0.8rem;
  color: var(--gray);
  letter-spacing: 0.1em;
}

.expo-meta-count {
  font-family: var(--font-en);
  font-size: 1rem;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: 0.1em;
}

.expo-meta-hint {
  font-size: 0.75rem;
  color: var(--gray);
  opacity: 0.6;
  letter-spacing: 0.05em;
}

/* Gallery grid */
.expo-gallery-section {
  background: var(--black);
  padding: 0 0 80px;
}

.expo-grid {
  column-count: 4;
  column-gap: 6px;
  padding: 6px;
}

.expo-grid-item {
  position: relative;
  overflow: hidden;
  cursor: pointer;
  margin-bottom: 6px;
  break-inside: avoid;
  border-radius: 2px;
}

.expo-grid-item img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.expo-grid-item::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(10, 10, 10, 0);
  transition: background 0.3s;
  pointer-events: none;
}

.expo-grid-item:hover img {
  transform: scale(1.06);
}

.expo-grid-item:hover::after {
  background: rgba(10, 10, 10, 0.2);
}

/* Expo Lightbox */
.expo-lightbox {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.97);
  z-index: 3000;
  align-items: center;
  justify-content: center;
}

.expo-lightbox.active {
  display: flex;
}

.expo-lightbox-inner {
  position: relative;
  max-width: 92vw;
  max-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.expo-lightbox-img {
  max-width: 92vw;
  max-height: 85vh;
  object-fit: contain;
  display: block;
}

.expo-lightbox-close {
  position: fixed;
  top: 20px;
  right: 24px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--white);
  font-size: 1.4rem;
  cursor: pointer;
  z-index: 3001;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  transition: background 0.2s;
}

.expo-lightbox-close:hover {
  background: rgba(255, 255, 255, 0.16);
}

.expo-lightbox-prev,
.expo-lightbox-next {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--white);
  font-size: 1.2rem;
  cursor: pointer;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 3001;
  transition: background 0.2s;
}

.expo-lightbox-prev:hover,
.expo-lightbox-next:hover {
  background: rgba(255, 255, 255, 0.16);
}

.expo-lightbox-prev { left: 20px; }
.expo-lightbox-next { right: 20px; }

.expo-lightbox-counter {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-en);
  font-size: 0.8rem;
  color: var(--gray);
  letter-spacing: 0.15em;
  background: rgba(10, 10, 10, 0.6);
  padding: 6px 16px;
  border-radius: 20px;
}

/* ===========================
   Responsive: Tablet
   =========================== */
@media (max-width: 968px) {
  .concept-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .concept-visual {
    order: -1;
    max-width: 500px;
    margin: 0 auto;
  }

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

  .event-card.event-final {
    grid-column: auto;
  }

  .message-row {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .message-row.reverse .message-text {
    order: 0;
  }

  .message-row.reverse .message-photo {
    order: 0;
  }


  .expo-grid {
    column-count: 3;
  }
}

/* ===========================
   Responsive: Mobile
   =========================== */
@media (max-width: 640px) {
  .nav-toggle {
    display: block;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 70%;
    max-width: 300px;
    height: 100vh;
    background: rgba(10, 10, 10, 0.98);
    flex-direction: column;
    padding: 80px 40px;
    gap: 24px;
    transition: right 0.3s;
  }

  .nav-links.open {
    right: 0;
  }

  .nav-links a {
    font-size: 1rem;
  }

  .concept,
  .map-section,
  .events,
  .archive,
  .sponsor,
  .contact {
    padding: 80px 0;
  }

  .concept-character {
    width: 100px;
    bottom: -20px;
    right: -10px;
  }

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

  .expo-grid {
    column-count: 2;
  }

  .expo-meta-hint {
    display: none;
  }

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

  .timeline-content {
    flex-direction: column;
    gap: 4px;
  }

  .contact-links {
    flex-direction: column;
    align-items: stretch;
  }

  .sponsor-slot {
    width: 100%;
  }

  .section-title-en {
    font-size: 2rem;
  }

  .hero-scroll {
    bottom: 24px;
  }
}