:root {
  --color-murasaki: #2D1B36;
  --color-murasaki-light: #3D2B46;
  --color-gold: #C5A55A;
  --color-gold-light: #D4BC7E;
  --color-gold-pale: #F0E6CC;
  --color-enji: #8B4B62;
  --color-enji-light: #A66B82;
  --color-kinari: #FBF7F0;
  --color-kinari-warm: #F5EDE0;
  --color-charcoal: #2C2424;
  --color-charcoal-light: #4A4040;
  --color-ai: #1B3A5C;
  --color-ai-light: #2A4F75;
  --color-sumi: #333333;
  --font-jp: 'Noto Serif JP', 'Yu Mincho', serif;
  --font-en: 'Cormorant Garamond', 'Georgia', serif;
  --font-body: 'Noto Sans JP', 'Hiragino Sans', sans-serif;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
  font-family: var(--font-body);
  color: var(--color-charcoal);
  background-color: var(--color-kinari);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body.lang-en .ja { display: none; }
body.lang-ja .en { display: none; }
body:not(.lang-en):not(.lang-ja) .en { display: none; }

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-jp);
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: 0.05em;
}

body.lang-en h1,
body.lang-en h2,
body.lang-en h3 {
  font-family: var(--font-en);
  font-weight: 600;
  letter-spacing: 0.02em;
}

a {
  color: var(--color-enji);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover {
  color: var(--color-gold);
}

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

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

/* ─── Header ─── */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(251, 247, 240, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-gold-pale);
  transition: background var(--transition), box-shadow var(--transition);
}
.site-header.scrolled {
  box-shadow: 0 2px 20px rgba(45, 27, 54, 0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--color-murasaki);
}
.logo-img {
  height: 48px;
  width: auto;
}
.logo-text {
  font-family: var(--font-jp);
  font-size: 0.85rem;
  line-height: 1.3;
  color: var(--color-murasaki);
  letter-spacing: 0.1em;
}
.logo-text-en {
  font-family: var(--font-en);
  font-size: 0.7rem;
  color: var(--color-charcoal-light);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}
.main-nav a {
  font-family: var(--font-jp);
  font-size: 0.85rem;
  color: var(--color-charcoal);
  letter-spacing: 0.08em;
  position: relative;
  padding: 4px 0;
}
.main-nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-gold);
  transition: width var(--transition);
}
.main-nav a:hover::after,
.main-nav a.active::after {
  width: 100%;
}
.main-nav a:hover {
  color: var(--color-murasaki);
}

.lang-switch {
  display: flex;
  border: 1px solid var(--color-gold-pale);
  border-radius: 4px;
  overflow: hidden;
  font-size: 0.75rem;
}
.lang-switch button {
  padding: 4px 10px;
  border: none;
  background: transparent;
  cursor: pointer;
  font-family: var(--font-en);
  font-size: 0.75rem;
  color: var(--color-charcoal-light);
  transition: all var(--transition);
  letter-spacing: 0.05em;
}
.lang-switch button.active {
  background: var(--color-murasaki);
  color: var(--color-kinari);
}

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.mobile-menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-murasaki);
  transition: var(--transition);
}

/* ─── Hero ─── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: linear-gradient(135deg, var(--color-murasaki) 0%, var(--color-ai) 50%, var(--color-murasaki-light) 100%);
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 80 80'%3E%3Ccircle cx='40' cy='40' r='32' fill='none' stroke='%23C5A55A' stroke-width='0.3' opacity='0.12'/%3E%3Ccircle cx='40' cy='40' r='20' fill='none' stroke='%23C5A55A' stroke-width='0.3' opacity='0.08'/%3E%3C/svg%3E");
  background-size: 80px 80px;
  animation: patternFloat 60s linear infinite;
}
@keyframes patternFloat {
  from { background-position: 0 0; }
  to { background-position: 80px 80px; }
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  margin: 0 auto;
  padding: 120px 24px 80px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.hero-text {
  color: var(--color-kinari);
}
.hero-title {
  font-family: var(--font-jp);
  font-size: 3rem;
  font-weight: 500;
  line-height: 1.3;
  letter-spacing: 0.15em;
  margin-bottom: 8px;
  color: var(--color-kinari);
}
.hero-title-en {
  font-family: var(--font-en);
  font-size: 1.2rem;
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 24px;
}
.hero-subtitle {
  font-family: var(--font-jp);
  font-size: 1.1rem;
  font-weight: 300;
  line-height: 2;
  color: rgba(251, 247, 240, 0.85);
  margin-bottom: 40px;
}
.hero-image {
  position: relative;
}
.hero-image img {
  border-radius: 8px;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.3);
  width: 100%;
  max-height: 560px;
  object-fit: cover;
  object-position: top center;
}
.hero-image::before {
  content: '';
  position: absolute;
  top: -12px;
  right: -12px;
  bottom: 12px;
  left: 12px;
  border: 1px solid var(--color-gold);
  border-radius: 8px;
  opacity: 0.4;
  z-index: -1;
}

/* ─── Buttons ─── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 36px;
  font-family: var(--font-jp);
  font-size: 0.9rem;
  letter-spacing: 0.1em;
  border-radius: 4px;
  transition: all var(--transition);
  cursor: pointer;
  border: none;
  text-decoration: none;
}
.btn-primary {
  background: var(--color-gold);
  color: var(--color-murasaki);
}
.btn-primary:hover {
  background: var(--color-gold-light);
  color: var(--color-murasaki);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(197, 165, 90, 0.3);
}
.btn-outline {
  background: transparent;
  color: var(--color-kinari);
  border: 1px solid var(--color-gold);
}
.btn-outline:hover {
  background: var(--color-gold);
  color: var(--color-murasaki);
}
.btn-dark {
  background: var(--color-murasaki);
  color: var(--color-kinari);
}
.btn-dark:hover {
  background: var(--color-murasaki-light);
  color: var(--color-kinari);
  transform: translateY(-2px);
}

/* ─── Section ─── */
.section {
  padding: 100px 0;
}
.section-alt {
  background: var(--color-kinari-warm);
}
.section-dark {
  background: var(--color-murasaki);
  color: var(--color-kinari);
}
.section-dark h2,
.section-dark h3 {
  color: var(--color-kinari);
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}
.section-title {
  font-size: 2rem;
  color: var(--color-murasaki);
  margin-bottom: 8px;
}
.section-title-en {
  font-family: var(--font-en);
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 16px;
}
.section-divider {
  width: 48px;
  height: 1px;
  background: var(--color-gold);
  margin: 24px auto;
}
.section-desc {
  max-width: 640px;
  margin: 0 auto;
  font-size: 0.95rem;
  color: var(--color-charcoal-light);
  line-height: 1.9;
}

.section-dark .section-title {
  color: var(--color-kinari);
}

/* ─── Grid Cards ─── */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
}
.card {
  background: #fff;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(45, 27, 54, 0.06);
  transition: transform var(--transition), box-shadow var(--transition);
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(45, 27, 54, 0.12);
}
.card-img {
  height: 220px;
  overflow: hidden;
  background: var(--color-kinari-warm);
}
.card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.card:hover .card-img img {
  transform: scale(1.05);
}
.card-body {
  padding: 28px;
}
.card-body h3 {
  font-size: 1.15rem;
  margin-bottom: 12px;
  color: var(--color-murasaki);
}
.card-body p {
  font-size: 0.9rem;
  color: var(--color-charcoal-light);
  line-height: 1.8;
}

/* ─── Character Section ─── */
.character-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.character-section.reverse {
  direction: rtl;
}
.character-section.reverse > * {
  direction: ltr;
}
.character-img {
  position: relative;
  border-radius: 8px;
  overflow: hidden;
  max-width: 480px;
  margin: 0 auto;
}
.character-img img {
  border-radius: 8px;
  width: 100%;
  height: 480px;
  object-fit: cover;
  object-position: top center;
}
.character-text h3 {
  font-size: 1.5rem;
  margin-bottom: 16px;
  color: var(--color-murasaki);
}
.character-text p {
  font-size: 0.95rem;
  line-height: 2;
  color: var(--color-charcoal-light);
  margin-bottom: 16px;
}

/* ─── About Section ─── */
.philosophy-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  margin-top: 48px;
}
.philosophy-item {
  text-align: center;
  padding: 32px 24px;
}
.philosophy-icon {
  font-size: 2.5rem;
  margin-bottom: 20px;
  display: block;
}
.philosophy-item h3 {
  font-size: 1.1rem;
  margin-bottom: 12px;
  color: var(--color-murasaki);
}
.philosophy-item p {
  font-size: 0.9rem;
  color: var(--color-charcoal-light);
  line-height: 1.8;
}

/* ─── Gallery ─── */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
.gallery-item {
  position: relative;
  border-radius: 8px;
  overflow: hidden;
  aspect-ratio: 3/4;
  background: var(--color-kinari-warm);
  cursor: pointer;
}
.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.gallery-item:hover img {
  transform: scale(1.08);
}
.gallery-item.wide {
  grid-column: span 2;
  aspect-ratio: 3/2;
}
.gallery-item.tall {
  grid-row: span 2;
  aspect-ratio: auto;
}

/* ─── Footer Logo ─── */
.footer-brand-logo {
  height: 60px;
  width: auto;
  margin-bottom: 12px;
}

/* ─── Hero Banner ─── */
.hero-banner {
  max-width: 420px;
  margin-bottom: 24px;
}
.hero-banner img {
  width: 100%;
  height: auto;
}

/* ─── Contact Form ─── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}
.form-group {
  margin-bottom: 24px;
}
.form-group label {
  display: block;
  font-family: var(--font-jp);
  font-size: 0.85rem;
  color: var(--color-murasaki);
  margin-bottom: 8px;
  letter-spacing: 0.05em;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--color-gold-pale);
  border-radius: 4px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  background: #fff;
  transition: border-color var(--transition);
  color: var(--color-charcoal);
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-gold);
}
.form-group textarea {
  min-height: 150px;
  resize: vertical;
}

.contact-info-card {
  background: var(--color-murasaki);
  color: var(--color-kinari);
  padding: 40px;
  border-radius: 8px;
}
.contact-info-card h3 {
  color: var(--color-gold);
  margin-bottom: 24px;
  font-size: 1.3rem;
}
.contact-info-item {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
  align-items: flex-start;
}
.contact-info-item .icon {
  font-size: 1.2rem;
  color: var(--color-gold);
  flex-shrink: 0;
  margin-top: 2px;
}
.contact-info-item p {
  font-size: 0.9rem;
  line-height: 1.6;
  color: rgba(251, 247, 240, 0.85);
}
.contact-info-item a {
  color: var(--color-gold-light);
}

/* ─── Footer ─── */
.site-footer {
  background: var(--color-charcoal);
  color: rgba(251, 247, 240, 0.7);
  padding: 64px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-brand h3 {
  font-family: var(--font-jp);
  color: var(--color-gold);
  font-size: 1.3rem;
  margin-bottom: 12px;
}
.footer-brand p {
  font-size: 0.85rem;
  line-height: 1.8;
}
.footer-col h4 {
  font-family: var(--font-jp);
  color: var(--color-kinari);
  font-size: 0.9rem;
  margin-bottom: 16px;
  letter-spacing: 0.08em;
}
.footer-col a {
  display: block;
  font-size: 0.85rem;
  color: rgba(251, 247, 240, 0.6);
  margin-bottom: 10px;
  transition: color var(--transition);
}
.footer-col a:hover {
  color: var(--color-gold);
}
.footer-bottom {
  border-top: 1px solid rgba(251, 247, 240, 0.1);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
}

/* ─── Legal Pages ─── */
.legal-content {
  max-width: 800px;
  margin: 0 auto;
  padding-top: 120px;
  padding-bottom: 80px;
}
.legal-content h1 {
  font-size: 1.8rem;
  color: var(--color-murasaki);
  margin-bottom: 8px;
}
.legal-content .subtitle {
  font-family: var(--font-en);
  font-size: 0.85rem;
  color: var(--color-gold);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 40px;
}
.legal-content h2 {
  font-size: 1.2rem;
  margin-top: 40px;
  margin-bottom: 16px;
  color: var(--color-murasaki);
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-gold-pale);
}
.legal-content p {
  margin-bottom: 16px;
  font-size: 0.9rem;
  line-height: 1.9;
  color: var(--color-charcoal-light);
}
.legal-content ul,
.legal-content ol {
  margin-bottom: 16px;
  padding-left: 24px;
}
.legal-content li {
  margin-bottom: 8px;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--color-charcoal-light);
}

.legal-table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
}
.legal-table th,
.legal-table td {
  padding: 14px 20px;
  text-align: left;
  border-bottom: 1px solid var(--color-gold-pale);
  font-size: 0.9rem;
}
.legal-table th {
  width: 30%;
  background: var(--color-kinari-warm);
  font-family: var(--font-jp);
  font-weight: 500;
  color: var(--color-murasaki);
  white-space: nowrap;
}

/* ─── Page Hero (sub pages) ─── */
.page-hero {
  background: linear-gradient(135deg, var(--color-murasaki), var(--color-ai));
  padding: 140px 0 60px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 80 80'%3E%3Ccircle cx='40' cy='40' r='32' fill='none' stroke='%23C5A55A' stroke-width='0.3' opacity='0.1'/%3E%3C/svg%3E");
  background-size: 80px 80px;
}
.page-hero h1 {
  position: relative;
  color: var(--color-kinari);
  font-size: 2.2rem;
  margin-bottom: 8px;
  letter-spacing: 0.15em;
}
.page-hero .subtitle {
  position: relative;
  font-family: var(--font-en);
  font-size: 0.85rem;
  color: var(--color-gold);
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

/* ─── eBay Link ─── */
.ebay-banner {
  display: flex;
  align-items: center;
  gap: 20px;
  background: #fff;
  border: 1px solid var(--color-gold-pale);
  border-radius: 8px;
  padding: 24px 32px;
  margin-top: 32px;
  transition: all var(--transition);
}
.ebay-banner:hover {
  border-color: var(--color-gold);
  box-shadow: 0 8px 24px rgba(197, 165, 90, 0.15);
}
.ebay-banner .ebay-logo {
  font-size: 1.5rem;
  font-weight: 700;
  font-family: var(--font-en);
}
.ebay-banner .ebay-logo span:nth-child(1) { color: #E53238; }
.ebay-banner .ebay-logo span:nth-child(2) { color: #0064D2; }
.ebay-banner .ebay-logo span:nth-child(3) { color: #F5AF02; }
.ebay-banner .ebay-logo span:nth-child(4) { color: #86B817; }

/* ─── Fade In Animation ─── */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ─── Responsive ─── */
@media (max-width: 768px) {
  .header-inner { height: 60px; }
  .main-nav { display: none; }
  .main-nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    background: rgba(251, 247, 240, 0.98);
    backdrop-filter: blur(12px);
    padding: 24px;
    gap: 20px;
    border-bottom: 1px solid var(--color-gold-pale);
  }
  .mobile-menu-btn { display: flex; }

  .hero-content {
    grid-template-columns: 1fr;
    padding: 100px 24px 60px;
    gap: 40px;
  }
  .hero-title { font-size: 2rem; }
  .hero-image { order: -1; }

  .character-section,
  .character-section.reverse {
    grid-template-columns: 1fr;
    direction: ltr;
    gap: 32px;
  }

  .philosophy-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .logo-img { height: 40px; }
  .hero-banner { max-width: 280px; }

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

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

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

  .footer-bottom {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }

  .section { padding: 60px 0; }
  .section-header { margin-bottom: 40px; }
  .section-title { font-size: 1.5rem; }
  .page-hero { padding: 110px 0 40px; }
  .page-hero h1 { font-size: 1.6rem; }
  .legal-content { padding-top: 100px; }

  .ebay-banner {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .gallery-grid {
    grid-template-columns: 1fr;
  }
  .gallery-item.tall {
    grid-row: span 1;
  }
}