/* ===========================================
   サバイ堂 Responsive Design System
   Mobile-first approach (360px → 768px → 1024px → 1200px+)
   =========================================== */

/* --- Hero --- */
.sabai-hero {
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  min-height: 300px;
  padding: 24px 16px;
}
.sabai-hero-inner {
  max-width: 520px;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(4px);
  padding: 24px;
  border-radius: 12px;
}
.sabai-hero-tag {
  color: #8fdb8f;
  font-size: 0.65em;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin: 0 0 6px;
}
.sabai-hero h1 {
  color: #fff;
  font-size: 1.5em;
  margin: 0 0 8px;
  line-height: 1.35;
}
.sabai-hero-desc {
  color: rgba(255,255,255,0.85);
  font-size: 0.82em;
  line-height: 1.7;
  margin: 0 0 16px;
}
.sabai-hero-btns {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.sabai-hero-btns a {
  display: inline-block;
  padding: 11px 24px;
  font-weight: 600;
  text-decoration: none;
  border-radius: 100px;
  font-size: 0.85em;
  text-align: center;
}
.sabai-hero-btns .btn-primary {
  background: #1a6b2a;
  color: #fff;
}
.sabai-hero-btns .btn-secondary {
  background: rgba(255,255,255,0.15);
  color: #fff;
  border: 1px solid rgba(255,255,255,0.3);
}

/* --- Stats Bar --- */
.sabai-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  padding: 24px 16px;
  background: #f8faf8;
  text-align: center;
}
.sabai-stats .stat-value {
  font-size: 1.3em;
  font-weight: 700;
  color: #1a6b2a;
}
.sabai-stats .stat-label {
  font-size: 0.7em;
  color: #5a5a72;
  margin-top: 2px;
}

/* --- Section Headings --- */
.sabai-section-header {
  text-align: center;
  padding: 32px 16px 8px;
}
.sabai-section-header h2 {
  font-size: 1.25em;
  font-weight: 700;
  color: #1a1a2e;
  margin: 0 0 6px;
}
.sabai-section-header p {
  color: #5a5a72;
  font-size: 0.8em;
  margin: 0;
}

/* --- Category Grid --- */
.sabai-categories {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  padding: 16px;
}
.sabai-cat-card {
  background: #fff;
  padding: 20px 12px;
  border-radius: 10px;
  text-decoration: none;
  text-align: center;
  border: 1px solid #e8e9ec;
  transition: all 0.2s;
}
.sabai-cat-card:hover {
  border-color: #c0e0c0;
  box-shadow: 0 4px 16px rgba(0,0,0,0.08);
  transform: translateY(-2px);
}
.sabai-cat-icon {
  width: 40px;
  height: 40px;
  margin: 0 auto 8px;
  background: #f0f0f0;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2em;
}
.sabai-cat-card .cat-name {
  font-weight: 600;
  font-size: 0.85em;
  margin-bottom: 2px;
}
.sabai-cat-card .cat-desc {
  color: #8a8a9a;
  font-size: 0.7em;
}

/* --- Price Comparison --- */
.sabai-price-compare {
  background: #f4f5f7;
  padding: 32px 16px;
}
.sabai-price-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  max-width: 800px;
  margin: 16px auto 0;
}
.sabai-price-card {
  background: #fff;
  border-radius: 10px;
  padding: 20px;
  text-align: center;
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}
.sabai-price-card .item-name {
  font-size: 0.72em;
  color: #8a8a9a;
  margin-bottom: 6px;
}
.sabai-price-card .old-price {
  font-size: 0.78em;
  color: #8a8a9a;
  text-decoration: line-through;
}
.sabai-price-card .new-price {
  font-size: 1.3em;
  font-weight: 700;
  color: #c0392b;
  margin-top: 4px;
}
.sabai-price-card .discount {
  font-size: 0.68em;
  color: #1a6b2a;
  font-weight: 600;
  margin-top: 4px;
}

/* --- Steps --- */
.sabai-steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  padding: 16px;
}
.sabai-step {
  text-align: center;
  padding: 20px 16px;
}
.sabai-step-num {
  width: 40px;
  height: 40px;
  background: #1a6b2a;
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 12px;
  font-weight: 700;
  font-size: 1em;
}
.sabai-step-title {
  font-weight: 600;
  color: #1a1a2e;
  font-size: 0.9em;
  margin-bottom: 4px;
}
.sabai-step-desc {
  color: #5a5a72;
  font-size: 0.78em;
  line-height: 1.6;
}

/* --- Trust Section --- */
.sabai-trust {
  background: #1a6b2a;
  color: #fff;
  padding: 32px 16px;
  text-align: center;
}
.sabai-trust h2 {
  font-size: 1.2em;
  font-weight: 700;
  color: #fff;
  margin: 0 0 4px;
}
.sabai-trust .trust-sub {
  color: rgba(255,255,255,0.65);
  font-size: 0.78em;
  margin: 0 0 24px;
}
.sabai-trust-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  max-width: 900px;
  margin: 0 auto;
}
.sabai-trust-item .trust-icon {
  font-size: 1.5em;
  margin-bottom: 6px;
}
.sabai-trust-item .trust-title {
  font-weight: 600;
  font-size: 0.82em;
  margin-bottom: 4px;
}
.sabai-trust-item .trust-desc {
  font-size: 0.68em;
  color: rgba(255,255,255,0.6);
  line-height: 1.5;
}

/* --- CTA Section --- */
.sabai-cta {
  text-align: center;
  padding: 40px 16px 32px;
}
.sabai-cta p {
  font-size: 1em;
  color: #1a1a2e;
  font-weight: 500;
  margin-bottom: 16px;
}
.sabai-cta .cta-btn {
  display: inline-block;
  padding: 14px 40px;
  background: #1a6b2a;
  color: #fff;
  font-weight: 600;
  text-decoration: none;
  border-radius: 100px;
  font-size: 0.9em;
  box-shadow: 0 4px 16px rgba(26,107,42,0.3);
}
.sabai-cta .cta-note {
  color: #8a8a9a;
  font-size: 0.7em;
  margin-top: 10px;
}

/* ===========================================
   Tablet (768px+)
   =========================================== */
@media (min-width: 768px) {
  .sabai-hero {
    min-height: 380px;
    padding: 32px;
  }
  .sabai-hero-inner {
    padding: 32px 36px;
    border-radius: 14px;
  }
  .sabai-hero-tag { font-size: 0.72em; }
  .sabai-hero h1 { font-size: 1.8em; }
  .sabai-hero-desc { font-size: 0.88em; }

  .sabai-stats {
    grid-template-columns: repeat(4, 1fr);
    padding: 28px 32px;
    gap: 24px;
  }
  .sabai-stats .stat-value { font-size: 1.5em; }

  .sabai-categories {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    padding: 20px 32px;
    max-width: 900px;
    margin: 0 auto;
  }
  .sabai-cat-card { padding: 24px 16px; }
  .sabai-cat-icon { width: 44px; height: 44px; }

  .sabai-price-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }

  .sabai-steps {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    padding: 20px 32px;
    max-width: 900px;
    margin: 0 auto;
  }

  .sabai-trust-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
  }
}

/* ===========================================
   Desktop (1024px+)
   =========================================== */
@media (min-width: 1024px) {
  .sabai-hero {
    min-height: 440px;
    padding: 48px 40px;
  }
  .sabai-hero-inner {
    padding: 40px 44px;
    border-radius: 16px;
  }
  .sabai-hero-tag { font-size: 0.78em; }
  .sabai-hero h1 { font-size: 2.1em; }
  .sabai-hero-desc { font-size: 0.92em; }
  .sabai-hero-btns a {
    padding: 13px 32px;
    font-size: 0.9em;
  }

  .sabai-stats .stat-value { font-size: 1.6em; }
  .sabai-stats .stat-label { font-size: 0.75em; }

  .sabai-categories {
    gap: 18px;
    padding: 24px 0;
    max-width: 960px;
  }
  .sabai-cat-card { padding: 28px 20px; }
  .sabai-cat-card .cat-name { font-size: 0.92em; }
  .sabai-cat-icon { width: 48px; height: 48px; font-size: 1.4em; }

  .sabai-price-compare { padding: 48px 32px; }
  .sabai-price-grid { gap: 20px; }
  .sabai-price-card { padding: 24px; }

  .sabai-steps { max-width: 960px; }

  .sabai-trust { padding: 48px 32px; }
  .sabai-trust h2 { font-size: 1.3em; }

  .sabai-cta { padding: 56px 20px 40px; }
}

/* ===========================================
   Wide Desktop (1200px+)
   =========================================== */
@media (min-width: 1200px) {
  .sabai-hero { min-height: 480px; }
  .sabai-hero h1 { font-size: 2.3em; }
}

/* ===========================================
   Small phone (< 380px)
   =========================================== */
@media (max-width: 379px) {
  .sabai-hero h1 { font-size: 1.3em; }
  .sabai-hero-inner { padding: 20px; }
  .sabai-hero-btns { flex-direction: column; }
  .sabai-hero-btns a { text-align: center; width: 100%; }
  .sabai-categories { gap: 8px; }
  .sabai-cat-card { padding: 16px 8px; }
  .sabai-cat-card .cat-name { font-size: 0.78em; }
  .sabai-price-card { padding: 16px; }
}

/* === Image Cards Responsive === */

/* ランキングカード hover */
.sabai-hero ~ div a[href*="product/"]:hover,
div[style*="grid-template-columns"] a[href*="product-category"]:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.12);
}

/* モバイル: ランキング2.5列スクロール */
@media (max-width: 767px) {
  /* ランキングカード */
  div[style*="repeat(5"] {
    grid-template-columns: repeat(5, 140px) !important;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 8px !important;
  }
  div[style*="repeat(5"] > a {
    scroll-snap-align: start;
    min-width: 140px;
  }

  /* カテゴリカード 2列 */
  div[style*="repeat(4,1fr)"][style*="product-category"],
  div[style*="repeat(4"] {
    grid-template-columns: repeat(2, 1fr) !important;
  }

  /* ブランドカード 2列 */
  div[style*="repeat(4"] > div[style*="border:1px"] {
    padding: 14px !important;
  }
}

/* タブレット: ランキング5列、カテゴリ3列 */
@media (min-width: 768px) and (max-width: 1023px) {
  div[style*="repeat(4,1fr)"] {
    grid-template-columns: repeat(3, 1fr) !important;
  }
}