/* ==========================================================================
   Page Hero
   ========================================================================== */
.page-hero {
  background: linear-gradient(135deg, rgba(0,59,70,0.85), rgba(7,87,91,0.8)), url('../images/page-hero-washer.jpg') center/cover no-repeat;
  color: var(--color-white);
  padding: var(--spacing-3xl) 0;
  margin-top: var(--header-height);
}

.page-hero-title {
  font-size: var(--font-size-3xl);
  color: var(--color-white);
  margin-bottom: 0.5rem;
}

.page-hero-desc {
  font-size: var(--font-size-lg);
  color: var(--color-foam);
}

/* ==========================================================================
   Front Page - Hero
   ========================================================================== */
.hero {
  margin-top: var(--header-height);
  background: linear-gradient(135deg, rgba(0, 59, 70, 0.85) 0%, rgba(7, 87, 91, 0.8) 50%, rgba(102, 165, 173, 0.75) 100%),
              url('../images/hero-bg.jpg') center/cover no-repeat;
  color: var(--color-white);
  padding: var(--spacing-3xl) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 30% 50%, rgba(102, 165, 173, 0.2) 0%, transparent 60%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  border-radius: var(--border-radius-full);
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-md);
}

.hero-badge-dot {
  width: 8px;
  height: 8px;
  background: var(--color-accent);
  border-radius: 50%;
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero-title {
  font-size: var(--font-size-4xl);
  color: var(--color-white);
  margin-bottom: var(--spacing-sm);
  line-height: var(--line-height-tight);
}

.hero-title .highlight {
  color: var(--color-accent);
}

.hero-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-foam);
  margin-bottom: var(--spacing-xl);
  line-height: var(--line-height-relaxed);
}

@media (min-width: 768px) {
  .hero {
    padding: var(--spacing-3xl) 0 calc(var(--spacing-3xl) + 2rem);
  }

  .hero-title {
    font-size: var(--font-size-5xl);
  }
}

/* Hero Search */
.hero-search {
  max-width: 600px;
  margin: 0 auto var(--spacing-xl);
}

.hero-search-form {
  display: flex;
  background: var(--color-white);
  border-radius: var(--border-radius-xl);
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.hero-search-input {
  flex: 1;
  padding: 1rem 1.5rem;
  border: none;
  font-size: var(--font-size-lg);
  font-family: var(--font-family);
  color: var(--color-gray-700);
  outline: none;
}

.hero-search-input::placeholder {
  color: var(--color-gray-300);
}

.hero-search-btn {
  padding: 1rem 1.5rem;
  background: var(--color-primary);
  color: var(--color-white);
  font-size: var(--font-size-lg);
  font-weight: 600;
  transition: background var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.hero-search-btn:hover {
  background: var(--color-wave);
}

.hero-search-suggestions {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--color-white);
  border-radius: 0 0 var(--border-radius-xl) var(--border-radius-xl);
  box-shadow: var(--shadow-lg);
  max-height: 300px;
  overflow-y: auto;
  display: none;
  z-index: 10;
}

.hero-search-suggestions.is-active {
  display: block;
}

.search-suggestion-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1.5rem;
  color: var(--color-gray-700);
  transition: background var(--transition-fast);
  text-decoration: none;
  font-size: var(--font-size-sm);
}

.search-suggestion-item:hover {
  background: var(--color-foam);
}

.search-suggestion-model {
  font-weight: 700;
  color: var(--color-deep);
}

.search-suggestion-maker {
  color: var(--color-gray-500);
}

/* Hero Stats */
.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
  max-width: 500px;
  margin: 0 auto;
}
.hero-stats--4col {
  grid-template-columns: repeat(4, 1fr);
  max-width: 600px;
}
@media (max-width: 480px) {
  .hero-stats--4col {
    grid-template-columns: repeat(2, 1fr);
  }
}

.hero-stat {
  text-align: center;
}

.hero-stat-number {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  color: var(--color-white);
  display: block;
}

.hero-stat-label {
  font-size: var(--font-size-sm);
  color: var(--color-foam);
}

/* ==========================================================================
   Front Page - Category Section
   ========================================================================== */
.category-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
}

.category-card {
  background: var(--color-white);
  border-radius: var(--border-radius-xl);
  padding: var(--spacing-xl);
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  text-decoration: none;
  border: 2px solid transparent;
}

.category-card:hover {
  border-color: var(--color-wave);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.category-card.is-active {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-blue);
}

.category-card-img {
  width: 120px;
  height: 120px;
  object-fit: contain;
  margin: 0 auto var(--spacing-sm);
  border-radius: var(--border-radius-md);
}

.category-card-icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-sm);
}

.category-card-title {
  font-size: var(--font-size-xl);
  color: var(--color-deep);
  margin-bottom: 0.25rem;
}

.category-card-count {
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
}

.category-card-soon {
  display: inline-block;
  padding: 0.2rem 0.5rem;
  background: var(--color-gray-100);
  color: var(--color-gray-500);
  font-size: 0.75rem;
  border-radius: var(--border-radius-sm);
  margin-top: 0.5rem;
}

@media (min-width: 768px) {
  .category-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ==========================================================================
   Front Page - Popular Models
   ========================================================================== */
.popular-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
}

@media (min-width: 768px) {
  .popular-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ==========================================================================
   Front Page - Makers Section
   ========================================================================== */
.maker-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-sm);
}

.maker-card {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  background: var(--color-white);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  text-decoration: none;
  color: var(--color-gray-700);
  font-weight: 500;
  font-size: var(--font-size-sm);
}

.maker-card:hover {
  box-shadow: var(--shadow-md);
  color: var(--color-primary);
}

.maker-card-count {
  margin-left: auto;
  font-size: 0.75rem;
  color: var(--color-gray-500);
}

@media (min-width: 768px) {
  .maker-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ==========================================================================
   CTA Repair Section (Front Page)
   ========================================================================== */
.cta-repair-section {
  background: linear-gradient(135deg, rgba(30, 64, 175, 0.9), rgba(59, 130, 246, 0.85)),
              url('../images/cta-repair-bg.jpg') center/cover no-repeat;
  color: var(--color-white);
}

.cta-repair-inner {
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.cta-repair-title {
  font-size: var(--font-size-3xl);
  color: var(--color-white);
  margin-bottom: var(--spacing-sm);
}

.cta-repair-desc {
  font-size: var(--font-size-lg);
  opacity: 0.9;
  margin-bottom: var(--spacing-lg);
  line-height: var(--line-height-relaxed);
}

/* ==========================================================================
   Front Page - Error Code Dictionary
   ========================================================================== */
.error-dict-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr)); /* 長い社名（FUJITSU GENERAL 等）で 1fr が min-content に負けて横はみ出しするのを防ぐ */
  gap: var(--spacing-md);
}

.error-dict-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--spacing-lg) var(--spacing-md);
  background: var(--color-white);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  text-decoration: none;
  color: var(--color-gray-700);
  position: relative;
  min-width: 0;
  overflow-wrap: anywhere;
}

.error-dict-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  color: var(--color-primary);
}

.error-dict-card-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  background: rgba(245, 158, 11, 0.1);
  color: var(--color-accent);
  border-radius: var(--border-radius-full);
  margin-bottom: var(--spacing-sm);
}

.error-dict-card-maker {
  font-size: var(--font-size-xl);
  font-weight: 800;
  color: var(--color-deep);
  letter-spacing: 0.05em;
}

.error-dict-card-name {
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
  margin-bottom: var(--spacing-xs);
}

.error-dict-card-count {
  font-size: var(--font-size-sm);
  color: var(--color-wave);
  font-weight: 600;
}

.error-dict-card-arrow {
  position: absolute;
  top: var(--spacing-sm);
  right: var(--spacing-sm);
  font-size: var(--font-size-xl);
  color: var(--color-gray-300);
  transition: all var(--transition-normal);
}

.error-dict-card:hover .error-dict-card-arrow {
  color: var(--color-primary);
  transform: translateX(4px);
}

@media (min-width: 768px) {
  .error-dict-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ==========================================================================
   Dual CTA (Front Page)
   ========================================================================== */
.cta-dual-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
  max-width: 900px;
  margin: 0 auto;
}
@media (max-width: 640px) {
  .cta-dual-grid {
    grid-template-columns: 1fr;
  }
}
.cta-dual-card {
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--border-radius-xl);
  padding: var(--spacing-xl) var(--spacing-lg);
  text-align: center;
  backdrop-filter: blur(4px);
}
.cta-dual-icon {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-sm);
}
.cta-dual-title {
  font-size: var(--font-size-xl);
  color: var(--color-white);
  margin-bottom: var(--spacing-xs);
}
.cta-dual-desc {
  font-size: var(--font-size-sm);
  color: var(--color-white);
  opacity: 0.85;
  margin-bottom: var(--spacing-md);
  line-height: var(--line-height-relaxed);
}

/* ==========================================================================
   Section Coming Soon
   ========================================================================== */
.section-coming-soon {
  text-align: center;
  color: var(--color-gray-500);
  font-size: var(--font-size-sm);
  margin-top: var(--spacing-lg);
  padding: var(--spacing-sm) 0;
}
.section-coming-soon-badge {
  display: inline-block;
  background: var(--color-gray-100);
  color: var(--color-gray-500);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.2rem 0.6rem;
  border-radius: var(--border-radius-full);
  margin-right: 0.5rem;
  vertical-align: middle;
}

/* Rakuten Top Shops (hybrid CTA) */
.rakuten-shops-section .section-desc {
  font-size: 0.9rem;
  color: var(--color-gray-500);
  margin-top: 0.5rem;
}
.rakuten-shops-list {
  display: grid;
  gap: 1rem;
  margin-top: 1.5rem;
}
.rakuten-shop-card {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 1rem;
  align-items: center;
  padding: 1rem 1.25rem;
  background: #fff;
  border: 1px solid var(--color-gray-100);
  border-radius: 8px;
  transition: box-shadow 0.2s, transform 0.2s;
}
.rakuten-shop-card:hover {
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  transform: translateY(-1px);
}
.rakuten-shop-rank {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary, #bf0000);
  min-width: 2.5rem;
  text-align: center;
}
.rakuten-shop-body { min-width: 0; }
.rakuten-shop-price {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-gray-900);
  line-height: 1.2;
}
.rakuten-shop-name {
  font-size: 0.85rem;
  color: var(--color-gray-600);
  margin-top: 0.15rem;
}
.rakuten-shop-item {
  font-size: 0.8rem;
  color: var(--color-gray-500);
  margin-top: 0.25rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
@media (max-width: 640px) {
  .rakuten-shop-card {
    grid-template-columns: auto 1fr;
    grid-template-rows: auto auto;
  }
  .rakuten-shop-card .btn { grid-column: 1 / -1; }
}
/* ==========================================================================
   Section Backgrounds (plan4)
   ========================================================================== */
.section--bg {
  position: relative;
  isolation: isolate;
}

.section--bg.section--bg::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
}

.section--bg .section-header .section-title,
.section--bg .section-header .section-subtitle {
  color: var(--color-white);
}

.section--bg .section-header .section-label {
  background: rgba(255, 255, 255, 0.16);
  color: var(--color-white);
}

.section--bg .section-header .section-divider {
  background: rgba(255, 255, 255, 0.7);
}

.section--bg .btn--outline {
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.8);
}

.section--bg.section--hero { background: #0b3a40 url('../images/sections/hero-m.webp') center / cover no-repeat; }
.section--bg.section--hero::before { background: linear-gradient(135deg, rgba(0, 40, 52, 0.84) 0%, rgba(7, 87, 91, 0.62) 100%); }
.section--bg.section--washer { background: #0e2a5a url('../images/sections/washer-m.webp') center / cover no-repeat; }
.section--bg.section--washer::before { background: linear-gradient(135deg, rgba(8, 30, 72, 0.84) 0%, rgba(30, 90, 170, 0.6) 100%); }
.section--bg.section--aircon { background: #0d4560 url('../images/sections/aircon-m.webp') center / cover no-repeat; }
.section--bg.section--aircon::before { background: linear-gradient(135deg, rgba(6, 52, 82, 0.82) 0%, rgba(60, 150, 200, 0.55) 100%); }
.section--bg.section--fridge { background: #0f3d2c url('../images/sections/fridge-m.webp') center / cover no-repeat; }
.section--bg.section--fridge::before { background: linear-gradient(135deg, rgba(8, 56, 38, 0.84) 0%, rgba(40, 130, 90, 0.58) 100%); }
.section--bg.section--error { background: #4a1a0a url('../images/sections/error-m.webp') center / cover no-repeat; }
.section--bg.section--error::before { background: linear-gradient(135deg, rgba(84, 24, 8, 0.86) 0%, rgba(196, 92, 20, 0.6) 100%); }
.section--bg.section--trouble { background: #24272e url('../images/sections/trouble-m.webp') center / cover no-repeat; }
.section--bg.section--trouble::before { background: linear-gradient(135deg, rgba(28, 30, 36, 0.84) 0%, rgba(84, 88, 98, 0.6) 100%); }
.section--bg.section--blog { background: #2e2b28 url('../images/sections/blog-m.webp') center / cover no-repeat; }
.section--bg.section--blog::before { background: linear-gradient(135deg, rgba(36, 34, 32, 0.82) 0%, rgba(96, 90, 84, 0.56) 100%); }
.section--bg.section--cta { background: #6e2800 url('../images/sections/cta-m.webp') center / cover no-repeat; }
.section--bg.section--cta::before { background: linear-gradient(135deg, rgba(110, 40, 0, 0.84) 0%, rgba(236, 120, 20, 0.62) 100%); }

@media (min-width: 768px) {
  .section--bg.section--hero { background-image: url('../images/sections/hero.webp'); }
  .section--bg.section--washer { background-image: url('../images/sections/washer.webp'); }
  .section--bg.section--aircon { background-image: url('../images/sections/aircon.webp'); }
  .section--bg.section--fridge { background-image: url('../images/sections/fridge.webp'); }
  .section--bg.section--error { background-image: url('../images/sections/error.webp'); }
  .section--bg.section--trouble { background-image: url('../images/sections/trouble.webp'); }
  .section--bg.section--blog { background-image: url('../images/sections/blog.webp'); }
  .section--bg.section--cta { background-image: url('../images/sections/cta.webp'); }
}