/* ============================================
   index.html — Top Page Styles
   ============================================ */

/* ============================================
   Hero
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--color-ink);
}

.hero-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.65;
  z-index: 0;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(26, 31, 43, 0.3) 0%,
    rgba(26, 31, 43, 0.5) 60%,
    rgba(26, 31, 43, 0.8) 100%
  );
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: var(--space-md);
  max-width: var(--max-width);
  margin: 0 auto;
  width: 100%;
  color: var(--color-bg);
}

.hero-label {
  font-family: var(--font-serif-en);
  font-size: 0.75rem;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  margin-bottom: 2rem;
  opacity: 0;
  animation: fadeUp 1.2s var(--ease) 0.3s forwards;
}

.hero-title {
  font-family: var(--font-serif-jp);
  font-size: 2rem;
  font-weight: 400;
  line-height: 1.7;
  letter-spacing: 0.08em;
  margin-bottom: 2rem;
  opacity: 0;
  animation: fadeUp 1.2s var(--ease) 0.6s forwards;
}

.hero-title .line2 {
  display: block;
  margin-top: 0.3em;
}

.hero-sub {
  font-size: 0.9rem;
  letter-spacing: 0.15em;
  line-height: 2;
  opacity: 0;
  animation: fadeUp 1.2s var(--ease) 0.9s forwards;
  max-width: 400px;
}

.hero-scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  color: var(--color-bg);
  font-family: var(--font-serif-en);
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  opacity: 0;
  animation: fadeUp 1.2s var(--ease) 1.2s forwards;
}

.hero-scroll::after {
  content: '';
  display: block;
  width: 1px;
  height: 40px;
  background: var(--color-bg);
  margin: 0.5rem auto 0;
  animation: scrollLine 2s var(--ease) infinite;
  transform-origin: top;
}

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

@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; }
}

/* ============================================
   Concept (Brand Story)
   ============================================ */
.section-concept {
  background: var(--color-bg);
  padding: var(--space-xxl) var(--space-md);
  position: relative;
}

.concept-mark {
  font-family: var(--font-serif-en);
  font-size: 5rem;
  font-weight: 400;
  color: var(--color-deep-blue);
  letter-spacing: 0.05em;
  line-height: 1;
  margin-bottom: 1rem;
  opacity: 0.9;
}

.concept-kanji {
  font-family: var(--font-serif-jp);
  font-size: 1.25rem;
  letter-spacing: 0.3em;
  color: var(--color-ink-soft);
  margin-bottom: var(--space-md);
}

.concept-text {
  font-family: var(--font-serif-jp);
  font-size: 1.05rem;
  line-height: 2.3;
  color: var(--color-ink);
  margin-bottom: var(--space-md);
}

.concept-text + .concept-text {
  margin-top: var(--space-md);
}

/* ============================================
   Riekei (Why "Rikei")
   ============================================ */
.section-rikei {
  background: var(--color-ink);
  color: var(--color-bg);
  padding: var(--space-xxl) var(--space-md);
  position: relative;
}

.section-rikei .section-label {
  color: var(--color-rose);
}

.rikei-title {
  font-family: var(--font-serif-jp);
  font-size: 1.75rem;
  line-height: 1.7;
  margin-bottom: var(--space-md);
}

.rikei-quote {
  position: relative;
  padding: var(--space-md) 0;
  margin: var(--space-md) 0;
  border-top: 1px solid rgba(248, 246, 241, 0.2);
  border-bottom: 1px solid rgba(248, 246, 241, 0.2);
}

.rikei-quote::before {
  content: '"';
  position: absolute;
  top: -0.5rem;
  left: -0.5rem;
  font-family: var(--font-serif-en);
  font-size: 4rem;
  line-height: 1;
  color: var(--color-rose);
  opacity: 0.5;
}

.rikei-quote p {
  font-family: var(--font-serif-jp);
  font-size: 1rem;
  line-height: 2.2;
  color: var(--color-bg);
  opacity: 0.95;
}

.rikei-quote cite {
  display: block;
  margin-top: 1rem;
  font-style: normal;
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  opacity: 0.6;
}

.rikei-cta {
  margin-top: var(--space-lg);
}

.rikei-cta .btn {
  border-color: var(--color-bg);
  color: var(--color-bg);
}

.rikei-cta .btn:hover {
  background: var(--color-bg);
  color: var(--color-ink);
}

/* ============================================
   Menu Preview
   ============================================ */
.section-menu-preview {
  background: var(--color-bg);
  padding: var(--space-xxl) var(--space-md);
}

.menu-list {
  list-style: none;
  margin: var(--space-md) 0;
}

.menu-list li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--color-line);
  font-family: var(--font-serif-jp);
}

.menu-list .name {
  font-size: 1rem;
  letter-spacing: 0.1em;
}

.menu-list .price {
  font-family: var(--font-serif-en);
  font-size: 0.95rem;
  letter-spacing: 0.1em;
  color: var(--color-deep-blue);
}

.menu-preview-cta {
  margin-top: var(--space-lg);
  text-align: center;
}

/* ============================================
   Salon Preview (Gallery)
   ============================================ */
.section-salon-preview {
  background: var(--color-bg);
  padding: var(--space-xxl) var(--space-md);
}

.gallery {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  margin: var(--space-md) 0 var(--space-lg);
}

.gallery-item {
  aspect-ratio: 1;
  overflow: hidden;
  background: var(--color-line);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1s var(--ease);
}

.gallery-item:hover img {
  transform: scale(1.05);
}

.gallery-item.tall {
  grid-row: span 2;
  aspect-ratio: 1 / 2;
}

.salon-cta {
  text-align: center;
}

/* ============================================
   Access / Reserve CTA
   ============================================ */
.section-access {
  background: var(--color-deep-blue);
  color: var(--color-bg);
  padding: var(--space-xxl) var(--space-md);
  text-align: center;
}

.section-access .section-label {
  color: var(--color-rose);
}

.section-access .section-title {
  color: var(--color-bg);
  margin-bottom: var(--space-md);
}

.access-info {
  margin: var(--space-md) auto;
  max-width: 480px;
  text-align: left;
  font-family: var(--font-serif-jp);
  line-height: 2.2;
}

.access-info dt {
  font-family: var(--font-serif-en);
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  margin-top: var(--space-sm);
  margin-bottom: 0.25rem;
  opacity: 0.6;
}

.access-info dt:first-child {
  margin-top: 0;
}

.access-info dd {
  font-size: 1rem;
  margin-bottom: var(--space-sm);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid rgba(248, 246, 241, 0.15);
}

.access-info dd:last-child {
  border-bottom: none;
}

.access-info a {
  color: var(--color-bg);
  border-bottom: 1px dashed rgba(248, 246, 241, 0.3);
}

.access-cta-group {
  margin-top: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
}

.btn-hpb {
  background: var(--color-bg);
  color: var(--color-deep-blue);
  border-color: var(--color-bg);
  padding: 1.25rem 2.5rem;
  font-size: 0.95rem;
}

.btn-hpb:hover {
  background: var(--color-ink);
  color: var(--color-bg);
  border-color: var(--color-ink);
}

.btn-ig {
  background: transparent;
  color: var(--color-bg);
  border-color: rgba(248, 246, 241, 0.5);
}

.btn-ig:hover {
  background: var(--color-bg);
  color: var(--color-deep-blue);
  border-color: var(--color-bg);
}

/* ============================================
   Responsive — Desktop
   ============================================ */
@media (min-width: 768px) {
  .hero-content {
    padding: var(--space-lg);
  }

  .hero-title {
    font-size: 3.5rem;
    line-height: 1.6;
  }

  .hero-sub {
    font-size: 1rem;
    max-width: 500px;
  }

  .concept-mark {
    font-size: 8rem;
  }

  .concept-kanji {
    font-size: 1.5rem;
  }

  .concept-text {
    font-size: 1.15rem;
  }

  .rikei-title {
    font-size: 2.25rem;
  }

  .rikei-quote p {
    font-size: 1.1rem;
  }

  .menu-list .name {
    font-size: 1.15rem;
  }

  .menu-list .price {
    font-size: 1.1rem;
  }

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

  .access-cta-group {
    flex-direction: row;
    justify-content: center;
  }
}