/*
Theme Name: 旅するトレカ岩手百景 特設サイト
Theme URI: https://example.com/tabi-toreca
Author: Iwate Nippo
Author URI: https://www.iwate-np.co.jp
Description: 「旅するトレカ 岩手百景 Vol.1」特設サイト用WordPressテーマ
Version: 1.0.0
License: All Rights Reserved
License URI: 
Text Domain: tabi-toreca
Tags: one-page, custom-background, featured-images
*/

/* ===== RESET & BASE ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: 'Noto Sans JP', sans-serif;
  background: #fafbfc;
  color: #333;
  line-height: 1.8;
  overflow-x: hidden;
}

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

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

button {
  font-family: inherit;
  cursor: pointer;
}

::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: #f1f1f1; }
::-webkit-scrollbar-thumb { background: #00a5bf; border-radius: 4px; }

/* ===== ANIMATIONS ===== */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(40px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

@keyframes shimmer {
  0% { background-position: -200% center; }
  100% { background-position: 200% center; }
}

@keyframes sparkle {
  0%, 100% { opacity: 0; transform: scale(0) rotate(0deg); }
  50% { opacity: 1; transform: scale(1) rotate(180deg); }
}

@keyframes cardAppear {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ===== HEADER / NAVIGATION ===== */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 16px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all 0.4s ease;
}

.site-nav.scrolled {
  background: rgba(0, 26, 46, 0.95);
  backdrop-filter: blur(12px);
  padding: 10px 24px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.2);
}

.nav-logo {
  font-family: 'Noto Serif JP', serif;
  font-weight: 800;
  font-size: 18px;
  color: #fff;
}

.nav-links {
  display: flex;
  gap: 28px;
  list-style: none;
}

.nav-links a {
  color: rgba(255,255,255,0.8);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  transition: color 0.3s;
  position: relative;
}

.nav-links a:hover {
  color: #fff;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: #00d4aa;
  transition: width 0.3s ease;
}

.nav-links a:hover::after {
  width: 100%;
}

/* Mobile menu */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: #fff;
  font-size: 24px;
  padding: 4px;
}

@media (max-width: 768px) {
  .nav-toggle {
    display: block;
  }
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(0, 26, 46, 0.98);
    padding: 20px 24px;
    gap: 16px;
  }
  .nav-links.open {
    display: flex;
  }
}

/* ===== HERO SECTION ===== */
.hero {
  min-height: 100vh;
  background: linear-gradient(165deg, #001a2e 0%, #003352 30%, #00526e 55%, #00748a 75%, #00a5bf 100%);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
}

.hero-stars {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-star {
  position: absolute;
  background: #fff;
  border-radius: 50%;
}

.hero-mountain {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  width: 100%;
}

.hero-content {
  text-align: center;
  color: #fff;
  z-index: 10;
  animation: slideUp 1s ease;
}

.hero-badge {
  display: inline-block;
  background: rgba(255,255,255,0.08);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 20px;
  padding: 12px 28px;
  margin-bottom: 32px;
  font-size: 14px;
  font-family: 'Outfit', sans-serif;
  font-weight: 500;
  letter-spacing: 3px;
  color: rgba(255,255,255,0.85);
}

.hero-title {
  font-size: clamp(36px, 7vw, 72px);
  font-family: 'Noto Serif JP', serif;
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 16px;
  text-shadow: 0 4px 40px rgba(0,0,0,0.3);
}

.hero-subtitle {
  font-size: clamp(20px, 4vw, 36px);
  font-family: 'Noto Serif JP', serif;
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: 24px;
  background: linear-gradient(90deg, #fff, #a0e8ff, #fff);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: shimmer 5s linear infinite;
}

.hero-tagline {
  font-size: clamp(15px, 2.5vw, 20px);
  font-weight: 400;
  opacity: 0.85;
  max-width: 600px;
  margin: 0 auto 40px;
  line-height: 1.8;
}

.hero-stats {
  display: flex;
  gap: 40px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.hero-stat-num {
  font-size: 42px;
  font-weight: 800;
  font-family: 'Outfit', sans-serif;
  background: linear-gradient(180deg, #fff, #80d8f0);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-stat-label {
  font-size: 13px;
  opacity: 0.7;
  font-weight: 500;
  letter-spacing: 1px;
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: linear-gradient(135deg, #00d4aa, #00a5bf);
  color: #fff;
  padding: 16px 36px;
  border-radius: 40px;
  font-weight: 700;
  font-size: 16px;
  box-shadow: 0 8px 30px rgba(0,165,191,0.4);
  transition: all 0.3s ease;
  border: none;
}

.hero-cta:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(0,165,191,0.5);
  color: #fff;
}

.scroll-indicator {
  position: absolute;
  bottom: 30px;
  animation: float 3s ease-in-out infinite;
  opacity: 0.5;
  font-size: 24px;
  color: #fff;
}

/* ===== ABOUT SECTION ===== */
.about {
  padding: 80px 20px;
  background: #fff;
  border-bottom: 1px solid #f0f0f0;
}

.about-inner {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.section-title {
  font-size: clamp(24px, 4vw, 36px);
  font-family: 'Noto Serif JP', serif;
  font-weight: 800;
  color: #0e4a5c;
  margin-bottom: 32px;
}

.about-text {
  font-size: 15px;
  line-height: 2.2;
  color: #555;
  max-width: 700px;
  margin: 0 auto 48px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}

.feature-card {
  background: #f8fafc;
  border-radius: 16px;
  padding: 28px 20px;
  border: 1px solid #e2e8f0;
  transition: all 0.3s ease;
}

.feature-card:hover {
  border-color: #00a5bf;
  transform: translateY(-4px);
}

.feature-icon {
  font-size: 32px;
  margin-bottom: 12px;
}

.feature-title {
  font-size: 15px;
  font-weight: 700;
  color: #0e4a5c;
  margin-bottom: 6px;
}

.feature-desc {
  font-size: 13px;
  color: #64748b;
  line-height: 1.5;
}

/* ===== CARDS GALLERY SECTION ===== */
.gallery {
  padding: 80px 20px 100px;
  max-width: 1200px;
  margin: 0 auto;
}

.gallery-header {
  text-align: center;
  margin-bottom: 48px;
}

.gallery-subtitle {
  color: #64748b;
  font-size: 14px;
}

/* Filters */
.filters {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 40px;
  align-items: center;
}

.filter-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
}

.filter-btn {
  border: 2px solid #e2e8f0;
  background: #fff;
  color: #64748b;
  padding: 8px 18px;
  border-radius: 24px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s ease;
  font-family: 'Noto Sans JP', sans-serif;
  white-space: nowrap;
}

.filter-btn:hover {
  border-color: #00a5bf;
  color: #00a5bf;
}

.filter-btn.active {
  background: linear-gradient(135deg, #00a5bf, #0891b2);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 4px 12px rgba(0,165,191,0.3);
}

.card-count {
  text-align: center;
  margin-bottom: 24px;
  color: #94a3b8;
  font-size: 13px;
  font-weight: 500;
}

/* Cards Grid */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.card-item {
  border-radius: 16px;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  animation: cardAppear 0.5s ease both;
}

.card-item:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 12px 40px rgba(0,0,0,0.15);
}

.card-visual {
  height: 220px;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.card-visual-overlay {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 80%, rgba(255,255,255,0.15) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(255,255,255,0.1) 0%, transparent 40%);
}

.card-number {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(8px);
  color: #fff;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 700;
  font-family: 'Outfit', sans-serif;
  letter-spacing: 1px;
}

.card-rarity-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 800;
}

.card-rarity-badge.rarity-2 {
  background: linear-gradient(135deg, #C0C0C0, #E8E8E8);
  color: #444;
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

.card-rarity-badge.rarity-3 {
  background: linear-gradient(135deg, #FFD700, #FFA500);
  color: #5a3800;
  box-shadow: 0 2px 12px rgba(255,215,0,0.5);
}

.card-name-overlay {
  text-align: center;
  color: #fff;
  z-index: 1;
  padding: 0 20px;
}

.card-name-main {
  font-size: 28px;
  font-weight: 800;
  font-family: 'Noto Serif JP', serif;
  text-shadow: 0 2px 20px rgba(0,0,0,0.4);
  line-height: 1.3;
  margin-bottom: 6px;
}

.card-variant-label {
  font-size: 13px;
  font-weight: 600;
  background: rgba(255,255,255,0.2);
  backdrop-filter: blur(4px);
  display: inline-block;
  padding: 2px 12px;
  border-radius: 12px;
  margin-top: 4px;
  color: #fff;
}

.card-info {
  padding: 16px 18px;
}

.card-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
  flex-wrap: wrap;
}

.card-category-tag {
  color: #fff;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 700;
  font-family: 'Outfit', sans-serif;
}

.cat-nature { background: #0891b2; }
.cat-festival { background: #dc2626; }
.cat-architecture { background: #7c3aed; }
.cat-historic { background: #b45309; }
.cat-experience { background: #059669; }

.card-area, .card-season {
  font-size: 12px;
  font-family: 'Outfit', sans-serif;
}

.card-area { color: #666; font-weight: 500; }
.card-season { color: #999; }

.card-desc {
  color: #555;
  font-size: 13px;
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.no-results {
  text-align: center;
  padding: 60px 20px;
  color: #94a3b8;
  font-size: 15px;
  grid-column: 1 / -1;
}

/* ===== MODAL ===== */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(8px);
  align-items: center;
  justify-content: center;
  padding: 20px;
  animation: fadeIn 0.3s ease;
}

.modal-overlay.open {
  display: flex;
}

.modal-content {
  background: #fff;
  border-radius: 24px;
  max-width: 600px;
  width: 100%;
  max-height: 90vh;
  overflow: auto;
  animation: slideUp 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-header {
  height: 280px;
  border-radius: 24px 24px 0 0;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: rgba(0,0,0,0.3);
  border: none;
  color: #fff;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(4px);
  transition: background 0.3s;
}

.modal-close:hover {
  background: rgba(0,0,0,0.5);
}

.modal-title-area {
  text-align: center;
  color: #fff;
  z-index: 1;
  padding: 0 40px;
}

.modal-number {
  font-size: 14px;
  font-weight: 600;
  font-family: 'Outfit', sans-serif;
  opacity: 0.8;
  margin-bottom: 8px;
  letter-spacing: 2px;
}

.modal-name {
  font-size: 36px;
  font-weight: 800;
  font-family: 'Noto Serif JP', serif;
  text-shadow: 0 3px 20px rgba(0,0,0,0.3);
  line-height: 1.3;
  margin-bottom: 8px;
}

.modal-name-en {
  font-size: 16px;
  font-family: 'Outfit', sans-serif;
  opacity: 0.85;
  font-weight: 400;
}

.modal-body {
  padding: 28px 32px;
}

.modal-tags {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
  flex-wrap: wrap;
  align-items: center;
}

.modal-tag {
  padding: 5px 14px;
  border-radius: 16px;
  font-size: 13px;
  font-weight: 600;
}

.modal-tag.category {
  color: #fff;
  font-weight: 700;
}

.modal-tag.area, .modal-tag.season {
  background: #f0f0f0;
  color: #555;
}

.modal-rarity {
  margin-left: auto;
  font-size: 1.1em;
  letter-spacing: 2px;
}

.rarity-1 { color: #CD7F32; }
.rarity-2 { color: #C0C0C0; }
.rarity-3 { color: #FFD700; text-shadow: 0 0 8px rgba(255,215,0,0.6); }

.modal-desc {
  color: #333;
  font-size: 15px;
  line-height: 2;
  margin-bottom: 24px;
}

.modal-qr-box {
  background: linear-gradient(135deg, #f0f9ff, #e0f2fe);
  border-radius: 16px;
  padding: 20px 24px;
  border: 1px solid #bae6fd;
}

.modal-qr-title {
  font-size: 14px;
  font-weight: 700;
  color: #0369a1;
  margin-bottom: 6px;
}

.modal-qr-desc {
  font-size: 13px;
  color: #64748b;
  line-height: 1.6;
}

/* ===== CAMPAIGN SECTION ===== */
.campaign {
  background: linear-gradient(165deg, #001a2e, #003352, #00526e);
  padding: 80px 20px;
  color: #fff;
}

.campaign-inner {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.campaign-badge {
  display: inline-block;
  background: rgba(255,215,0,0.15);
  border: 1px solid rgba(255,215,0,0.3);
  border-radius: 24px;
  padding: 6px 20px;
  margin-bottom: 24px;
  font-size: 13px;
  font-weight: 700;
  color: #FFD700;
  letter-spacing: 2px;
}

.campaign-title {
  font-size: clamp(22px, 4vw, 34px);
  font-family: 'Noto Serif JP', serif;
  font-weight: 800;
  margin-bottom: 24px;
  line-height: 1.4;
  color: #fff;
}

.campaign-text {
  font-size: 15px;
  line-height: 2;
  opacity: 0.85;
  max-width: 650px;
  margin: 0 auto 40px;
}

.rare-cards {
  display: flex;
  gap: 24px;
  justify-content: center;
  flex-wrap: wrap;
}

.rare-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,215,0,0.25);
  border-radius: 16px;
  padding: 24px;
  width: 220px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.rare-card:hover {
  border-color: rgba(255,215,0,0.6);
  transform: translateY(-4px);
}

.rare-card-stars {
  font-size: 20px;
  margin-bottom: 12px;
  color: #FFD700;
  letter-spacing: 3px;
}

.rare-card-name {
  font-size: 18px;
  font-weight: 800;
  font-family: 'Noto Serif JP', serif;
  margin-bottom: 6px;
  color: #fff;
}

.rare-card-variant {
  font-size: 12px;
  opacity: 0.7;
  margin-bottom: 8px;
  color: #fff;
}

.rare-card-meta {
  font-size: 13px;
  opacity: 0.6;
  color: #fff;
}

/* ===== PURCHASE SECTION ===== */
.purchase {
  padding: 80px 20px;
  background: #fff;
}

.purchase-inner {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.purchase-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  text-align: left;
}

.purchase-card {
  background: #f8fafc;
  border-radius: 16px;
  padding: 28px 24px;
  border: 1px solid #e2e8f0;
  transition: all 0.3s ease;
}

.purchase-card:hover {
  border-color: #00a5bf;
  transform: translateY(-4px);
}

.purchase-icon {
  font-size: 28px;
  margin-bottom: 12px;
}

.purchase-title {
  font-size: 16px;
  font-weight: 700;
  color: #0e4a5c;
  margin-bottom: 8px;
}

.purchase-desc {
  font-size: 13px;
  color: #64748b;
  line-height: 1.7;
}

/* ===== FOOTER ===== */
.site-footer {
  background: #0e1b2a;
  padding: 48px 20px 32px;
  color: rgba(255,255,255,0.5);
  text-align: center;
}

.footer-title {
  font-size: 20px;
  font-family: 'Noto Serif JP', serif;
  font-weight: 700;
  color: rgba(255,255,255,0.8);
  margin-bottom: 8px;
}

.footer-vol {
  font-size: 13px;
  font-family: 'Outfit', sans-serif;
  margin-bottom: 24px;
  letter-spacing: 1px;
}

.footer-copy {
  font-size: 12px;
  line-height: 1.8;
}

/* ===== LANGUAGE SWITCHER ===== */
.lang-switcher {
  display: flex;
  align-items: center;
  gap: 0;
  background: rgba(255,255,255,0.08);
  border-radius: 10px;
  padding: 3px;
  border: 1px solid rgba(255,255,255,0.12);
}

.lang-btn {
  background: transparent;
  border: none;
  color: rgba(255,255,255,0.6);
  padding: 5px 14px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s ease;
  font-family: 'Outfit', sans-serif;
  letter-spacing: 0.5px;
  white-space: nowrap;
}

.lang-btn:hover {
  color: rgba(255,255,255,0.9);
}

.lang-btn.active {
  background: rgba(255,255,255,0.18);
  color: #fff;
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

.site-nav.scrolled .lang-switcher {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.15);
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 20px;
}

@media (max-width: 768px) {
  .lang-switcher {
    position: absolute;
    top: 14px;
    right: 56px;
  }
  .lang-btn {
    padding: 4px 10px;
    font-size: 11px;
  }
  .nav-right {
    gap: 8px;
  }
}

/* ===== NEWS / お知らせ SECTION ===== */
.news {
  padding: 64px 20px;
  background: #fff;
  border-bottom: 1px solid #f0f0f0;
}

.news-inner {
  max-width: 800px;
  margin: 0 auto;
}

.news-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 28px;
  flex-wrap: wrap;
  gap: 12px;
}

.news-more-link {
  font-size: 13px;
  font-weight: 600;
  color: #00a5bf;
  transition: color 0.3s;
}

.news-more-link:hover {
  color: #0891b2;
}

.news-list {
  list-style: none;
}

.news-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid #f0f0f0;
  transition: background 0.2s;
}

.news-item:last-child {
  border-bottom: none;
}

.news-item:hover {
  background: #f8fafc;
  margin: 0 -12px;
  padding-left: 12px;
  padding-right: 12px;
  border-radius: 8px;
}

.news-date {
  flex-shrink: 0;
  font-size: 13px;
  font-weight: 600;
  color: #94a3b8;
  font-family: 'Outfit', sans-serif;
  min-width: 90px;
  padding-top: 2px;
}

.news-tag {
  flex-shrink: 0;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 10px;
  white-space: nowrap;
}

.news-tag-info {
  background: #e0f2fe;
  color: #0369a1;
}

.news-tag-event {
  background: #fef3c7;
  color: #b45309;
}

.news-tag-new {
  background: #dcfce7;
  color: #16a34a;
}

.news-tag-media {
  background: #f3e8ff;
  color: #7c3aed;
}

.news-title-text {
  font-size: 14px;
  color: #333;
  line-height: 1.6;
  font-weight: 500;
}

.news-empty {
  text-align: center;
  padding: 40px 20px;
  color: #94a3b8;
  font-size: 14px;
}

/* ===== LOAD MORE BUTTON ===== */
.load-more-wrap {
  text-align: center;
  margin-top: 40px;
}

.load-more-btn {
  display: none;
  align-items: center;
  gap: 8px;
  background: #fff;
  color: #0e4a5c;
  border: 2px solid #00a5bf;
  padding: 14px 36px;
  border-radius: 32px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s ease;
  font-family: 'Noto Sans JP', sans-serif;
}

.load-more-btn:hover {
  background: linear-gradient(135deg, #00a5bf, #0891b2);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,165,191,0.25);
}

.load-more-btn .arrow-icon {
  transition: transform 0.3s;
}

.load-more-btn:hover .arrow-icon {
  transform: translateY(2px);
}

.load-more-btn.hidden {
  display: none;
}

/* ===== RESPONSIVE — TABLET (768px) ===== */
@media (max-width: 768px) {
  /* Nav */
  .site-nav {
    padding: 12px 16px;
  }
  .nav-logo {
    font-size: 15px;
  }

  /* Hero */
  .hero {
    padding: 30px 16px;
    min-height: 90vh;
  }
  .hero-badge {
    padding: 8px 18px;
    font-size: 12px;
    margin-bottom: 20px;
  }
  .hero-tagline {
    margin-bottom: 28px;
  }
  .hero-stats {
    gap: 24px;
    margin-bottom: 32px;
  }
  .hero-stat-num {
    font-size: 32px;
  }
  .hero-cta {
    padding: 14px 28px;
    font-size: 15px;
  }

  /* About */
  .about {
    padding: 56px 16px;
  }
  .about-text {
    font-size: 14px;
    line-height: 2;
    margin-bottom: 36px;
  }
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  .feature-card {
    padding: 20px 16px;
  }

  /* News */
  .news {
    padding: 48px 16px;
  }
  .news-item {
    flex-wrap: wrap;
    gap: 8px;
    padding: 14px 0;
  }
  .news-date {
    min-width: auto;
  }

  /* Gallery */
  .gallery {
    padding: 56px 16px 72px;
  }
  .filter-row {
    gap: 6px;
  }
  .filter-btn {
    padding: 7px 14px;
    font-size: 12px;
  }
  .cards-grid {
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 16px;
  }
  .card-visual {
    height: 190px;
  }
  .card-name-main {
    font-size: 24px;
  }
  .card-info {
    padding: 14px 16px;
  }

  /* Modal */
  .modal-overlay {
    padding: 12px;
  }
  .modal-header {
    height: 220px;
  }
  .modal-name {
    font-size: 26px;
  }
  .modal-name-en {
    font-size: 14px;
  }
  .modal-body {
    padding: 20px;
  }
  .modal-tags {
    gap: 8px;
  }
  .modal-desc {
    font-size: 14px;
    line-height: 1.9;
  }

  /* Campaign */
  .campaign {
    padding: 56px 16px;
  }
  .campaign-title br {
    display: none;
  }
  .rare-card {
    width: 180px;
    padding: 18px;
  }

  /* Purchase */
  .purchase {
    padding: 56px 16px;
  }
  .purchase-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  .purchase-card {
    padding: 20px 16px;
  }
}

/* ===== RESPONSIVE — MOBILE (480px) ===== */
@media (max-width: 480px) {
  /* Nav */
  .site-nav {
    padding: 10px 12px;
  }
  .nav-logo {
    font-size: 14px;
  }
  .lang-switcher {
    position: relative;
    right: auto;
    top: auto;
  }
  .lang-btn {
    padding: 4px 8px;
    font-size: 10px;
  }
  .nav-right {
    gap: 6px;
  }

  /* Hero */
  .hero {
    min-height: 85vh;
    padding: 24px 14px;
  }
  .hero-badge {
    padding: 6px 14px;
    font-size: 11px;
    letter-spacing: 2px;
    margin-bottom: 16px;
  }
  .hero-stats {
    gap: 16px;
    margin-bottom: 24px;
  }
  .hero-stat-num {
    font-size: 28px;
  }
  .hero-stat-label {
    font-size: 11px;
  }
  .hero-cta {
    padding: 12px 24px;
    font-size: 14px;
    border-radius: 32px;
  }
  .scroll-indicator {
    bottom: 16px;
    font-size: 18px;
  }

  /* About */
  .about {
    padding: 44px 14px;
  }
  .section-title {
    font-size: 22px;
    margin-bottom: 20px;
  }
  .about-text {
    font-size: 13px;
    line-height: 1.9;
    margin-bottom: 28px;
  }
  .feature-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .feature-card {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px;
    text-align: left;
  }
  .feature-icon {
    font-size: 28px;
    margin-bottom: 0;
    flex-shrink: 0;
  }
  .feature-card > div:last-child {
    flex: 1;
  }

  /* News */
  .news {
    padding: 40px 14px;
  }
  .news-header {
    margin-bottom: 20px;
  }
  .news-item {
    flex-direction: column;
    gap: 6px;
    padding: 14px 0;
  }
  .news-date {
    font-size: 12px;
  }
  .news-title-text {
    font-size: 13px;
  }

  /* Gallery */
  .gallery {
    padding: 44px 14px 64px;
  }
  .gallery-header {
    margin-bottom: 28px;
  }
  .filters {
    gap: 10px;
    margin-bottom: 24px;
  }
  .filter-btn {
    padding: 6px 12px;
    font-size: 11px;
    border-width: 1.5px;
  }
  .cards-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .card-visual {
    height: 200px;
  }
  .card-name-main {
    font-size: 24px;
  }
  .card-desc {
    font-size: 12px;
    -webkit-line-clamp: 2;
  }
  .load-more-btn {
    padding: 12px 28px;
    font-size: 14px;
  }

  /* Modal - full screen on mobile */
  .modal-overlay {
    padding: 0;
    align-items: flex-end;
  }
  .modal-content {
    border-radius: 20px 20px 0 0;
    max-height: 95vh;
  }
  .modal-header {
    height: 200px;
    border-radius: 20px 20px 0 0;
  }
  .modal-title-area {
    padding: 0 20px;
  }
  .modal-name {
    font-size: 22px;
  }
  .modal-number {
    font-size: 12px;
  }
  .modal-body {
    padding: 18px 16px 24px;
  }
  .modal-tags {
    gap: 6px;
    flex-wrap: wrap;
  }
  .modal-tag {
    padding: 4px 10px;
    font-size: 12px;
  }
  .modal-rarity {
    margin-left: 0;
    width: 100%;
    margin-top: 4px;
  }
  .modal-desc {
    font-size: 13px;
    line-height: 1.85;
    margin-bottom: 18px;
  }
  .modal-qr-box {
    padding: 16px;
  }

  /* Campaign */
  .campaign {
    padding: 44px 14px;
  }
  .campaign-badge {
    font-size: 11px;
    padding: 5px 16px;
  }
  .campaign-title {
    font-size: 20px;
  }
  .campaign-title br {
    display: none;
  }
  .campaign-text {
    font-size: 13px;
    line-height: 1.9;
    margin-bottom: 28px;
  }
  .rare-cards {
    flex-direction: column;
    align-items: center;
    gap: 14px;
  }
  .rare-card {
    width: 100%;
    max-width: 280px;
    padding: 18px;
    display: flex;
    gap: 14px;
    align-items: center;
  }
  .rare-card-stars {
    margin-bottom: 0;
    font-size: 16px;
    flex-shrink: 0;
  }
  .rare-card-name {
    font-size: 16px;
    margin-bottom: 2px;
  }
  .rare-card-meta {
    font-size: 12px;
  }

  /* Purchase */
  .purchase {
    padding: 44px 14px;
  }
  .purchase-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .purchase-card {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 16px;
  }
  .purchase-icon {
    font-size: 24px;
    margin-bottom: 0;
    flex-shrink: 0;
    padding-top: 2px;
  }

  /* Footer */
  .site-footer {
    padding: 36px 16px 24px;
  }
  .footer-title {
    font-size: 16px;
  }
}
