/* ==============================================
   WanCare Theme CSS v3.0
   明るく・親しみやすく・信頼感のあるデザイン
   peco-japan.com インスパイア:
   白ベース × グリーンティール × ウォームオレンジ
   Mobile-first / wc- prefix
   ============================================== */

/* ── 1. CSS Variables ─────────────────────────── */
:root {
  /* Primary: 鮮やかなグリーンティール */
  --wc-teal:        #00A896;
  --wc-teal-dark:   #007F71;
  --wc-teal-light:  #E0F8F5;
  --wc-teal-mid:    #9EE8E2;

  /* Accent: ウォームオレンジ（親しみやすさ・CTA強調） */
  --wc-accent:      #FF7B00;
  --wc-accent-dark: #E06000;
  --wc-accent-light:#FFF1E0;

  /* Deep: フッター・濃色セクション用 */
  --wc-deep:        #0F3040;
  --wc-deep-mid:    #1A4A5A;

  /* 後方互換 */
  --wc-navy:        #0F3040;
  --wc-navy-dark:   #091E2A;
  --wc-navy-light:  #1A4A5A;

  /* Backgrounds */
  --wc-white:       #FFFFFF;
  --wc-bg-green:    #F0FBF9;   /* 淡いグリーン背景（交互セクション） */
  --wc-bg-warm:     #FFF8F0;   /* ウォームホワイト */
  --wc-warm-white:  #FFF8F0;
  --wc-warm-light:  #FFF1E0;
  --wc-warm:        #FF7B00;

  /* Grays */
  --wc-gray-50:     #F8FAFC;
  --wc-gray-100:    #F1F5F9;
  --wc-gray-200:    #E2E8F0;
  --wc-gray-400:    #94A3B8;
  --wc-gray-600:    #64748B;
  --wc-gray-800:    #334155;
  --wc-gray-900:    #1A202C;

  --wc-green:       #22C55E;
  --wc-orange:      #FF7B00;
  --wc-yellow:      #FBBF24;
  --wc-red:         #EF4444;

  --wc-font:        -apple-system, BlinkMacSystemFont, 'Hiragino Kaku Gothic ProN', 'Noto Sans JP', 'Meiryo', sans-serif;
  --wc-font-mono:   'SF Mono', Consolas, monospace;

  --wc-container:   1080px;
  --wc-gutter:      16px;
  --wc-section-py:  56px;

  --wc-shadow-sm:   0 1px 6px rgba(0,0,0,.06);
  --wc-shadow:      0 4px 16px rgba(0,0,0,.08);
  --wc-shadow-lg:   0 8px 32px rgba(0,0,0,.12);
  --wc-shadow-color:0 4px 20px rgba(0,168,150,.2);

  --wc-radius-sm:   6px;
  --wc-radius:      12px;
  --wc-radius-lg:   16px;
  --wc-radius-xl:   24px;

  --wc-transition:  0.18s ease;
}

/* ── 2. Reset & Base ──────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }

body.wc-page {
  font-family: var(--wc-font);
  font-size: 15px;
  line-height: 1.7;
  color: var(--wc-gray-900);
  background: var(--wc-white);
  margin: 0;
}

.wc-page img { max-width: 100%; height: auto; display: block; }
.wc-page a { color: var(--wc-teal-dark); text-decoration: none; }
.wc-page a:hover { color: var(--wc-teal); }

/* ── 3. Layout ────────────────────────────────── */
.wc-container {
  max-width: var(--wc-container);
  margin: 0 auto;
  padding: 0 var(--wc-gutter);
}

.wc-section {
  padding: var(--wc-section-py) 0;
}
.wc-section--gray { background: var(--wc-gray-50); }
.wc-section--navy { background: var(--wc-navy); color: var(--wc-white); }
.wc-section--teal-light { background: var(--wc-teal-light); }

.wc-grid-2 { display: grid; gap: 16px; }
.wc-grid-3 { display: grid; gap: 16px; }
.wc-grid-4 { display: grid; gap: 12px; }

/* ── 4. Typography ────────────────────────────── */
.wc-section-label {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--wc-teal);
  background: var(--wc-teal-light);
  padding: 3px 10px;
  border-radius: 100px;
  margin-bottom: 8px;
}
.wc-section-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--wc-navy);
  margin: 0 0 4px;
  line-height: 1.35;
}
.wc-section-sub {
  font-size: 13px;
  color: var(--wc-gray-600);
  margin: 0 0 24px;
}
.wc-section-header { margin-bottom: 24px; }
.wc-section-header--center { text-align: center; }

/* ── 5. Buttons ───────────────────────────────── */
.wc-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-family: var(--wc-font);
  font-weight: 700;
  font-size: 15px;
  line-height: 1;
  padding: 14px 24px;
  border-radius: var(--wc-radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: background var(--wc-transition), color var(--wc-transition), box-shadow var(--wc-transition);
  text-decoration: none;
  white-space: nowrap;
}
.wc-btn-primary {
  background: var(--wc-teal);
  color: var(--wc-white) !important;
  border-color: var(--wc-teal);
}
.wc-btn-primary:hover {
  background: var(--wc-teal-dark);
  border-color: var(--wc-teal-dark);
  color: var(--wc-white) !important;
  box-shadow: 0 4px 16px rgba(13,169,158,.35);
}
.wc-btn-navy {
  background: var(--wc-navy);
  color: var(--wc-white) !important;
  border-color: var(--wc-navy);
}
.wc-btn-navy:hover {
  background: var(--wc-navy-dark);
  border-color: var(--wc-navy-dark);
  color: var(--wc-white) !important;
}
.wc-btn-ghost {
  background: transparent;
  color: var(--wc-navy) !important;
  border-color: var(--wc-navy);
}
.wc-btn-ghost:hover {
  background: var(--wc-navy);
  color: var(--wc-white) !important;
}
.wc-btn-ghost-white {
  background: transparent;
  color: var(--wc-gray-800) !important;
  border-color: var(--wc-gray-200);
}
.wc-btn-ghost-white:hover {
  background: var(--wc-gray-100);
  color: var(--wc-gray-900) !important;
  border-color: var(--wc-gray-300, #CBD5E0);
}
.wc-btn-lg { font-size: 16px; padding: 16px 32px; }
.wc-btn-sm { font-size: 13px; padding: 9px 16px; }
.wc-btn-block { display: flex; width: 100%; }

/* ── 6. Header ────────────────────────────────── */
.wc-site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--wc-navy);
  box-shadow: 0 2px 8px rgba(0,0,0,.2);
}
.wc-header-inner {
  display: flex;
  align-items: center;
  gap: 16px;
  height: 60px;
}
.wc-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  flex-shrink: 0;
}
.wc-logo-mark {
  width: 32px;
  height: 32px;
  background: var(--wc-teal);
  border-radius: var(--wc-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 16px;
  color: var(--wc-white);
}
.wc-logo-text {
  font-size: 20px;
  font-weight: 800;
  color: var(--wc-white);
  letter-spacing: -.02em;
}
.wc-logo-text span { color: var(--wc-teal); }

.wc-main-nav { display: none; flex: 1; }
.wc-nav-list {
  display: flex;
  gap: 0;
  list-style: none;
  margin: 0;
  padding: 0;
}
.wc-nav-list li a {
  display: block;
  padding: 8px 14px;
  color: rgba(255,255,255,.85);
  font-size: 14px;
  font-weight: 500;
  transition: color var(--wc-transition);
  text-decoration: none;
}
.wc-nav-list li a:hover { color: var(--wc-teal); }

.wc-header-actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 10px;
}

/* ハンバーガーメニュー */
.wc-hamburger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.wc-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--wc-white);
  border-radius: 2px;
  transition: transform var(--wc-transition), opacity var(--wc-transition);
}
.wc-hamburger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.wc-hamburger.is-open span:nth-child(2) { opacity: 0; }
.wc-hamburger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* モバイルナビ */
.wc-mobile-nav {
  display: none;
  position: fixed;
  top: 60px;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--wc-navy-dark);
  z-index: 999;
  overflow-y: auto;
}
.wc-mobile-nav.is-open { display: block; }
.wc-mobile-nav-list {
  list-style: none;
  margin: 0;
  padding: 8px 0 40px;
}
.wc-mobile-nav-list li a {
  display: block;
  padding: 16px 24px;
  color: var(--wc-white);
  font-size: 16px;
  font-weight: 600;
  border-bottom: 1px solid rgba(255,255,255,.08);
  text-decoration: none;
}
.wc-mobile-nav-list li a:hover { background: rgba(255,255,255,.05); color: var(--wc-teal); }
.wc-mobile-nav-cta {
  padding: 20px 24px;
}

/* ── 7. Hero（明るい白ベース × 画像付き） ────── */
.wc-hero {
  background: linear-gradient(160deg, #FFFFFF 0%, var(--wc-bg-green) 100%);
  padding: 40px 0 48px;
  overflow: hidden;
  position: relative;
}
.wc-hero::before {
  content: '';
  position: absolute;
  top: -80px; right: -80px;
  width: 340px; height: 340px;
  background: radial-gradient(circle, rgba(0,168,150,.07) 0%, transparent 70%);
  pointer-events: none;
}
.wc-hero::after {
  content: '';
  position: absolute;
  bottom: -40px; left: -40px;
  width: 200px; height: 200px;
  background: radial-gradient(circle, rgba(255,123,0,.06) 0%, transparent 70%);
  pointer-events: none;
}
.wc-hero-inner {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 32px;
}
.wc-hero-content { flex: 1; }

.wc-hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--wc-teal-dark);
  background: var(--wc-teal-light);
  padding: 5px 14px;
  border-radius: 100px;
  margin: 0 0 16px;
}
.wc-hero-title {
  font-size: 28px;
  font-weight: 800;
  color: var(--wc-gray-900);
  line-height: 1.3;
  margin: 0 0 16px;
  letter-spacing: -.02em;
}
.wc-hero-title .wc-accent {
  color: var(--wc-teal);
  position: relative;
}
.wc-hero-desc {
  font-size: 15px;
  color: var(--wc-gray-600);
  line-height: 1.75;
  margin: 0 0 24px;
}
.wc-hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
}
.wc-hero-badge {
  font-size: 12px;
  font-weight: 600;
  color: var(--wc-teal-dark);
  background: var(--wc-teal-light);
  border: 1px solid rgba(0,168,150,.25);
  padding: 5px 12px;
  border-radius: 100px;
}
.wc-hero-btns {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* 統計バー（明るい背景版） */
.wc-hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 2px solid var(--wc-teal-light);
}
.wc-stat-card {
  text-align: center;
  padding: 10px 8px;
}
.wc-stat-num {
  font-size: 26px;
  font-weight: 800;
  color: var(--wc-teal);
  line-height: 1;
}
.wc-stat-num span {
  font-size: 13px;
  font-weight: 600;
  color: var(--wc-gray-600);
  margin-left: 2px;
}
.wc-stat-label {
  font-size: 11px;
  color: var(--wc-gray-400);
  margin-top: 4px;
}

/* ヒーロー画像エリア */
.wc-hero-visual {
  position: relative;
  padding: 0 var(--wc-gutter);
  margin-top: 24px;
}
.wc-hero-img {
  width: 100%;
  max-width: 100%;
  height: 260px;
  object-fit: cover;
  border-radius: var(--wc-radius-xl);
  box-shadow: var(--wc-shadow-lg);
  display: block;
}
.wc-hero-img-placeholder {
  width: 100%;
  height: 260px;
  border-radius: var(--wc-radius-xl);
  background: linear-gradient(135deg, var(--wc-teal-light) 0%, var(--wc-bg-warm) 100%);
  border: 2px dashed rgba(0,168,150,.3);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
}
.wc-hero-img-placeholder span { font-size: 56px; line-height: 1; }
.wc-hero-img-placeholder p {
  font-size: 12px;
  color: var(--wc-gray-400);
  text-align: center;
  margin: 0;
  line-height: 1.6;
}
@media (min-width: 768px) {
  /* グリッドで左右カラムを同じ高さに揃える */
  .wc-hero {
    display: grid;
    grid-template-columns: 1fr 46%;
    align-items: stretch;
    padding: 0;
  }
  .wc-hero-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    max-width: 100%;
    margin: 0;
    padding: 40px var(--wc-gutter) 44px;
  }
  .wc-hero-visual {
    position: relative;
    padding: 0; margin-top: 0;
    overflow: hidden;
  }
  /* mask-image で色補間なしの完全シームレスブレンド
     8ストップの ease-in 2次曲線 (t²) でグラデーション幅60%を滑らかに遷移 */
  .wc-hero-visual .wc-hero-img {
    position: absolute;
    inset: 0;
    width: 100% !important;
    height: 100% !important;
    max-width: none !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    object-fit: cover;
    display: block;
    -webkit-mask-image: linear-gradient(
      to right,
      rgba(0,0,0,0.000)  0%,
      rgba(0,0,0,0.020)  7%,
      rgba(0,0,0,0.082) 14%,
      rgba(0,0,0,0.184) 21%,
      rgba(0,0,0,0.327) 29%,
      rgba(0,0,0,0.510) 36%,
      rgba(0,0,0,0.735) 43%,
      rgba(0,0,0,1.000) 50%
    );
    mask-image: linear-gradient(
      to right,
      rgba(0,0,0,0.000)  0%,
      rgba(0,0,0,0.020)  7%,
      rgba(0,0,0,0.082) 14%,
      rgba(0,0,0,0.184) 21%,
      rgba(0,0,0,0.327) 29%,
      rgba(0,0,0,0.510) 36%,
      rgba(0,0,0,0.735) 43%,
      rgba(0,0,0,1.000) 50%
    );
  }
  .wc-hero-visual .wc-hero-img-placeholder {
    position: absolute;
    inset: 0;
    width: 100% !important;
    height: 100% !important;
    border-radius: 0 !important;
    box-shadow: none !important;
  }
  .wc-hero-content { max-width: 560px; }
  .wc-hero-stats { margin-top: 28px; }
  .wc-hero-title { font-size: 34px; }
  .wc-hero-btns { flex-direction: row; }
}

/* ── 8. 診断CTA Band ──────────────────────────── */
.wc-diag-band {
  background: linear-gradient(90deg, var(--wc-teal-dark) 0%, var(--wc-teal) 100%);
  padding: 28px 0;
}
.wc-diag-band-inner {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.wc-diag-band-text h2 {
  font-size: 20px;
  font-weight: 800;
  color: var(--wc-white);
  margin: 0 0 6px;
  line-height: 1.35;
}
.wc-diag-band-text p {
  font-size: 13px;
  color: rgba(255,255,255,.85);
  margin: 0;
}
.wc-diag-band-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
}
.wc-diag-band-badge {
  font-size: 11px;
  color: rgba(255,255,255,.9);
  background: rgba(255,255,255,.15);
  padding: 3px 10px;
  border-radius: 100px;
  border: 1px solid rgba(255,255,255,.3);
}

/* ── 9. 症状グリッド ──────────────────────────── */
.wc-symptom-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
.wc-symptom-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 16px 8px;
  background: var(--wc-white);
  border: 1px solid var(--wc-gray-200);
  border-radius: var(--wc-radius);
  text-decoration: none;
  transition: border-color var(--wc-transition), box-shadow var(--wc-transition), transform var(--wc-transition);
}
.wc-symptom-item:hover {
  border-color: var(--wc-teal);
  box-shadow: 0 2px 10px rgba(13,169,158,.18);
  transform: translateY(-2px);
}
.wc-symptom-item--active {
  border-color: var(--wc-teal);
  background: var(--wc-teal-light);
}
.wc-symptom-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--wc-teal-dark);
}
.wc-symptom-item--active .wc-symptom-icon { color: var(--wc-teal); }
.wc-symptom-item--more   .wc-symptom-icon { color: var(--wc-gray-400); }
.wc-symptom-label {
  font-size: 12px;
  font-weight: 700;
  color: var(--wc-gray-800);
  text-align: center;
  line-height: 1.3;
}
.wc-symptom-item--active .wc-symptom-label { color: var(--wc-teal-dark); }
.wc-svg-icon { display: block; flex-shrink: 0; }

/* ── 10. 診断カード ───────────────────────────── */
.wc-diag-card {
  background: var(--wc-white);
  border: 1px solid var(--wc-gray-200);
  border-radius: var(--wc-radius-lg);
  padding: 20px;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: box-shadow var(--wc-transition), transform var(--wc-transition);
  box-shadow: var(--wc-shadow-sm);
}
.wc-diag-card:hover {
  box-shadow: var(--wc-shadow-lg);
  transform: translateY(-3px);
}
.wc-diag-card-header {
  display: flex;
  align-items: center;
  gap: 10px;
}
.wc-diag-card-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--wc-radius);
  background: var(--wc-teal-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--wc-teal);
  flex-shrink: 0;
}
.wc-diag-card-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--wc-gray-900);
  margin: 0;
  line-height: 1.35;
}
.wc-diag-card-desc {
  font-size: 13px;
  color: var(--wc-gray-600);
  margin: 0;
  line-height: 1.6;
}
.wc-diag-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  padding-top: 10px;
  border-top: 1px solid var(--wc-gray-100);
}
.wc-diag-card-time {
  font-size: 11px;
  color: var(--wc-gray-400);
}
.wc-diag-card-arrow {
  color: var(--wc-teal);
  font-size: 16px;
  font-weight: 700;
}
.wc-diag-card--active { border-color: var(--wc-teal); }
.wc-diag-card-badge {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  color: var(--wc-white);
  background: var(--wc-teal);
  padding: 2px 8px;
  border-radius: 100px;
}

/* ── 11. 記事カード ───────────────────────────── */
.wc-article-card {
  background: var(--wc-white);
  border-radius: var(--wc-radius);
  overflow: hidden;
  border: 1px solid var(--wc-gray-200);
  box-shadow: var(--wc-shadow-sm);
  transition: box-shadow var(--wc-transition), transform var(--wc-transition);
  text-decoration: none;
  display: flex;
  flex-direction: column;
}
.wc-article-card:hover {
  box-shadow: var(--wc-shadow);
  transform: translateY(-2px);
}
.wc-article-card-thumb {
  aspect-ratio: 16/9;
  background: var(--wc-gray-100);
  overflow: hidden;
}
.wc-article-card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .3s ease;
}
.wc-article-card:hover .wc-article-card-thumb img { transform: scale(1.04); }
.wc-article-card-body { padding: 14px; flex: 1; display: flex; flex-direction: column; gap: 6px; }
.wc-article-card-cat {
  font-size: 11px;
  font-weight: 700;
  color: var(--wc-teal);
  text-decoration: none;
}
.wc-article-card-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--wc-gray-900);
  line-height: 1.45;
  margin: 0;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  overflow: hidden;
}
.wc-article-card-meta {
  font-size: 11px;
  color: var(--wc-gray-400);
  margin-top: auto;
}

/* 横並び記事カード */
.wc-article-card-h {
  background: var(--wc-white);
  border-radius: var(--wc-radius);
  border: 1px solid var(--wc-gray-200);
  overflow: hidden;
  display: flex;
  gap: 0;
  text-decoration: none;
  transition: box-shadow var(--wc-transition);
}
.wc-article-card-h:hover { box-shadow: var(--wc-shadow); }
.wc-article-card-h-thumb {
  width: 100px;
  flex-shrink: 0;
  aspect-ratio: 1;
  background: var(--wc-gray-100);
  overflow: hidden;
}
.wc-article-card-h-thumb img { width: 100%; height: 100%; object-fit: cover; }
.wc-article-card-h-body {
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  justify-content: center;
}
.wc-article-card-h-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--wc-gray-900);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
}
.wc-article-card-h-meta { font-size: 11px; color: var(--wc-gray-400); }

/* ── 12. 商品比較カード ───────────────────────── */
.wc-product-card {
  background: var(--wc-white);
  border: 1px solid var(--wc-gray-200);
  border-radius: var(--wc-radius-lg);
  padding: 16px;
  display: flex;
  gap: 14px;
  box-shadow: var(--wc-shadow-sm);
}
.wc-product-card-thumb {
  width: 80px;
  height: 80px;
  flex-shrink: 0;
  background: var(--wc-gray-50);
  border-radius: var(--wc-radius);
  overflow: hidden;
  border: 1px solid var(--wc-gray-200);
}
.wc-product-card-thumb img { width: 100%; height: 100%; object-fit: contain; padding: 4px; }
.wc-product-card-body { flex: 1; min-width: 0; }
.wc-product-card-name {
  font-size: 14px;
  font-weight: 700;
  color: var(--wc-gray-900);
  margin: 0 0 4px;
  line-height: 1.35;
}
.wc-product-card-rank {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  font-weight: 700;
  color: var(--wc-white);
  background: var(--wc-orange);
  padding: 2px 8px;
  border-radius: 100px;
  margin-bottom: 6px;
}
.wc-product-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-bottom: 8px;
}
.wc-product-tag {
  font-size: 10px;
  color: var(--wc-teal-dark);
  background: var(--wc-teal-light);
  border-radius: 100px;
  padding: 2px 8px;
  font-weight: 600;
}
.wc-product-card-link {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  color: var(--wc-teal);
  border: 1.5px solid var(--wc-teal);
  padding: 5px 14px;
  border-radius: var(--wc-radius-sm);
  transition: background var(--wc-transition), color var(--wc-transition);
  text-decoration: none;
}
.wc-product-card-link:hover { background: var(--wc-teal); color: var(--wc-white); }

/* ── 13. LINE CTA ─────────────────────────────── */
.wc-line-cta {
  background: #00B900;
  padding: 28px 0;
}
.wc-line-cta-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  text-align: center;
}
.wc-line-cta-text h3 {
  font-size: 18px;
  font-weight: 800;
  color: var(--wc-white);
  margin: 0 0 6px;
}
.wc-line-cta-text p {
  font-size: 13px;
  color: rgba(255,255,255,.85);
  margin: 0;
}
.wc-btn-line {
  background: var(--wc-white);
  color: #00B900;
  border-color: var(--wc-white);
  font-size: 15px;
  font-weight: 800;
  padding: 14px 32px;
  border-radius: var(--wc-radius);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: box-shadow var(--wc-transition);
}
.wc-btn-line:hover { box-shadow: 0 4px 20px rgba(0,0,0,.2); color: #00B900; }

/* ── 14. 診断ページ固有 ───────────────────────── */
.wc-diag-page-hero {
  background: linear-gradient(135deg, var(--wc-navy-dark) 0%, var(--wc-navy) 100%);
  padding: 40px 0 48px;
}
.wc-diag-page-hero-eyebrow {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--wc-teal);
  text-transform: uppercase;
  margin: 0 0 10px;
}
.wc-diag-page-hero-title {
  font-size: 24px;
  font-weight: 800;
  color: var(--wc-white);
  margin: 0 0 14px;
  line-height: 1.35;
}
.wc-diag-page-hero-desc {
  font-size: 14px;
  color: rgba(255,255,255,.8);
  margin: 0 0 24px;
  line-height: 1.7;
}

/* メリットリスト */
.wc-benefit-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 0 0 28px;
}
.wc-benefit-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  background: var(--wc-white);
  border-radius: var(--wc-radius);
  padding: 14px 16px;
  border: 1px solid var(--wc-gray-200);
}
.wc-benefit-num {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
  background: var(--wc-teal);
  border-radius: 50%;
  color: var(--wc-white);
  font-weight: 800;
  font-size: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.wc-benefit-body h4 {
  font-size: 14px;
  font-weight: 700;
  color: var(--wc-gray-900);
  margin: 0 0 3px;
}
.wc-benefit-body p {
  font-size: 13px;
  color: var(--wc-gray-600);
  margin: 0;
  line-height: 1.55;
}

/* 診断エリアラッパー */
.wc-diag-wrapper {
  background: var(--wc-white);
  border: 1px solid var(--wc-gray-200);
  border-radius: var(--wc-radius-xl);
  padding: 24px 16px;
  box-shadow: var(--wc-shadow);
}

/* 医療免責 */
.wc-disclaimer {
  background: var(--wc-gray-50);
  border: 1px solid var(--wc-gray-200);
  border-radius: var(--wc-radius);
  padding: 14px 16px;
  font-size: 12px;
  color: var(--wc-gray-600);
  line-height: 1.65;
}
.wc-disclaimer-title {
  font-weight: 700;
  color: var(--wc-gray-800);
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 6px;
}

/* ── 15. 記事テンプレート固有 ─────────────────── */
.wc-article-header {
  padding: 28px 0 24px;
  border-bottom: 1px solid var(--wc-gray-200);
}
.wc-article-breadcrumb {
  font-size: 12px;
  color: var(--wc-gray-400);
  margin-bottom: 10px;
}
.wc-article-breadcrumb a {
  color: var(--wc-gray-400);
  text-decoration: none;
}
.wc-article-breadcrumb a:hover { color: var(--wc-teal); }
.wc-article-cat-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  color: var(--wc-white);
  background: var(--wc-teal);
  padding: 3px 10px;
  border-radius: 100px;
  text-decoration: none;
  margin-bottom: 10px;
}
.wc-article-title {
  font-size: 22px;
  font-weight: 800;
  color: var(--wc-gray-900);
  line-height: 1.4;
  margin: 0 0 14px;
}
.wc-article-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 12px;
  color: var(--wc-gray-400);
  flex-wrap: wrap;
}
.wc-article-meta-vet {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--wc-teal-dark);
  font-weight: 600;
  background: var(--wc-teal-light);
  padding: 4px 10px;
  border-radius: 100px;
}

/* 記事本文 */
.wc-article-body {
  font-size: 15px;
  line-height: 1.8;
  color: var(--wc-gray-900);
}
.wc-article-body h2 {
  font-size: 20px;
  font-weight: 800;
  color: var(--wc-navy);
  border-left: 4px solid var(--wc-teal);
  padding-left: 12px;
  margin: 36px 0 16px;
}
.wc-article-body h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--wc-gray-900);
  margin: 28px 0 12px;
}
.wc-article-body p { margin: 0 0 16px; }
.wc-article-body ul, .wc-article-body ol { padding-left: 20px; margin: 0 0 16px; }
.wc-article-body li { margin-bottom: 6px; }
.wc-article-body strong { color: var(--wc-navy); }

/* 記事内CTA */
.wc-article-cta {
  background: linear-gradient(135deg, var(--wc-teal-light) 0%, rgba(224,247,246,.3) 100%);
  border: 1.5px solid var(--wc-teal-mid);
  border-radius: var(--wc-radius-lg);
  padding: 20px;
  margin: 28px 0;
}
.wc-article-cta-title {
  font-size: 15px;
  font-weight: 800;
  color: var(--wc-teal-dark);
  margin: 0 0 8px;
}
.wc-article-cta-desc {
  font-size: 13px;
  color: var(--wc-gray-700);
  margin: 0 0 14px;
  line-height: 1.6;
}

/* 記事サイドバー・2カラムレイアウト */
.wc-article-layout {
  display: flex;
  flex-direction: column;
  gap: 32px;
}
.wc-article-sidebar {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.wc-sidebar-widget {
  background: var(--wc-white);
  border: 1px solid var(--wc-gray-200);
  border-radius: var(--wc-radius);
  padding: 16px;
}
.wc-sidebar-widget-title {
  font-size: 13px;
  font-weight: 800;
  color: var(--wc-navy);
  padding-bottom: 10px;
  border-bottom: 2px solid var(--wc-teal);
  margin-bottom: 12px;
}

/* ── 16. フッター ─────────────────────────────── */
.wc-site-footer {
  background: var(--wc-navy-dark);
  color: rgba(255,255,255,.7);
  padding: 40px 0 24px;
}
.wc-footer-inner {
  display: flex;
  flex-direction: column;
  gap: 28px;
}
.wc-footer-brand { display: flex; flex-direction: column; gap: 10px; }
.wc-footer-brand-desc {
  font-size: 13px;
  line-height: 1.65;
  color: rgba(255,255,255,.55);
}
.wc-footer-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.wc-footer-col-title {
  font-size: 12px;
  font-weight: 800;
  color: var(--wc-teal);
  letter-spacing: .05em;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.wc-footer-col-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 7px;
}
.wc-footer-col-list li a {
  font-size: 13px;
  color: rgba(255,255,255,.6);
  text-decoration: none;
}
.wc-footer-col-list li a:hover { color: var(--wc-teal); }
.wc-footer-bottom {
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,.1);
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 11px;
  color: rgba(255,255,255,.35);
}
.wc-footer-legal-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.wc-footer-legal-links a {
  color: rgba(255,255,255,.4);
  text-decoration: none;
}
.wc-footer-legal-links a:hover { color: var(--wc-teal); }

/* ── 17. Utilities ────────────────────────────── */
.wc-text-teal { color: var(--wc-teal) !important; }
.wc-text-navy { color: var(--wc-navy) !important; }
.wc-text-center { text-align: center; }
.wc-text-muted { color: var(--wc-gray-600); }
.wc-mt-0 { margin-top: 0 !important; }
.wc-mb-0 { margin-bottom: 0 !important; }
.wc-mt-24 { margin-top: 24px; }
.wc-mb-24 { margin-bottom: 24px; }
.wc-visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

/* 「もっと見る」リンク */
.wc-more-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 13px;
  font-weight: 700;
  color: var(--wc-teal);
  text-decoration: none;
  border-bottom: 1.5px solid var(--wc-teal);
  padding-bottom: 1px;
}
.wc-more-link:hover { color: var(--wc-teal-dark); border-color: var(--wc-teal-dark); }

/* 区切り線 */
.wc-divider {
  border: none;
  border-top: 1px solid var(--wc-gray-200);
  margin: 24px 0;
}

/* セクションフッター */
.wc-section-footer {
  text-align: center;
  margin-top: 24px;
}

/* ── 18. Media Queries ────────────────────────── */
@media (min-width: 480px) {
  .wc-symptom-grid { grid-template-columns: repeat(4, 1fr); }
  .wc-hero-btns { flex-direction: row; }
}

@media (min-width: 640px) {
  .wc-grid-2 { grid-template-columns: repeat(2, 1fr); }
  .wc-grid-4 { grid-template-columns: repeat(4, 1fr); }
  .wc-diag-band-inner { flex-direction: row; align-items: center; justify-content: space-between; }
  .wc-symptom-grid { grid-template-columns: repeat(6, 1fr); }
  .wc-line-cta-inner { flex-direction: row; justify-content: center; gap: 32px; text-align: left; }
  .wc-footer-cols { grid-template-columns: repeat(4, 1fr); }
}

@media (min-width: 768px) {
  :root {
    --wc-section-py: 64px;
  }
  .wc-section-title { font-size: 26px; }
  .wc-hero { min-height: 380px; }
  .wc-hero-title { font-size: 34px; }
  .wc-hero-desc { font-size: 15px; }
  .wc-hero-stats { margin-top: 28px; padding-top: 20px; border-top: 2px solid var(--wc-teal-light); }
  .wc-hamburger { display: none; }
  .wc-main-nav { display: flex; }
  .wc-grid-3 { grid-template-columns: repeat(3, 1fr); }
  .wc-diag-page-hero-title { font-size: 32px; }
  .wc-benefit-list { flex-direction: row; }
  .wc-article-layout { flex-direction: row; }
  .wc-article-main { flex: 1; min-width: 0; }
  .wc-article-sidebar { width: 280px; flex-shrink: 0; }
  .wc-footer-inner { flex-direction: row; gap: 40px; }
  .wc-footer-brand { flex: 1; max-width: 240px; }
  .wc-footer-cols { flex: 1; grid-template-columns: repeat(4, 1fr); gap: 12px; }
  .wc-article-title { font-size: 28px; }
  .wc-diag-wrapper { padding: 32px 28px; }
}

@media (min-width: 1024px) {
  .wc-header-inner { gap: 24px; }
  .wc-hero { grid-template-columns: 52% 48%; }
  /* 左パディング: (viewport - 1080px) / 2 + gutter で他セクションのコンテナ左端と揃える */
  .wc-hero-inner { padding: 44px var(--wc-gutter) 48px max(16px, calc((100vw - 1080px) / 2 + 16px)); }
  .wc-hero-title { font-size: 44px; }
}

/* =====================================================
   v2.0 追加スタイル
   犬の健康総合プラットフォーム化 リデザイン
   ===================================================== */

/* ── ウォーム背景セクション ── */
.wc-section--warm { background: var(--wc-warm-white); }

/* ── WanCareの特徴セクション（明るいグリーン背景） ── */
.wc-features {
  padding: var(--wc-section-py) 0;
  background: var(--wc-teal-light);
}
.wc-features .wc-section-label {
  color: var(--wc-teal-dark);
  background: rgba(0,168,150,.12);
}
.wc-features .wc-section-title { color: var(--wc-gray-900); }
.wc-features .wc-section-sub   { color: var(--wc-gray-600); }

.wc-features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-top: 32px;
}
@media (min-width: 640px) {
  .wc-features-grid { grid-template-columns: repeat(3, 1fr); }
}

.wc-feature-item {
  background: var(--wc-white);
  border: 1px solid rgba(0,168,150,.15);
  border-radius: var(--wc-radius-lg);
  padding: 28px 24px;
  box-shadow: var(--wc-shadow-sm);
  transition: box-shadow var(--wc-transition), transform var(--wc-transition);
}
.wc-feature-item:hover {
  box-shadow: var(--wc-shadow-color);
  transform: translateY(-3px);
}

.wc-feature-icon {
  margin-bottom: 14px;
  color: var(--wc-teal);
}
.wc-feature-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--wc-gray-900);
  margin: 0 0 10px;
}
.wc-feature-desc {
  font-size: 14px;
  color: var(--wc-gray-600);
  line-height: 1.75;
  margin: 0;
}

/* ── 症状アイテム: バッジ対応 ── */
.wc-symptom-item { position: relative; flex-direction: column; gap: 4px; padding-bottom: 10px; }
.wc-symptom-badge {
  display: block;
  font-size: 10px;
  font-weight: 700;
  color: var(--wc-teal-dark);
  background: var(--wc-teal-light);
  padding: 2px 6px;
  border-radius: 100px;
  margin-top: 2px;
}
.wc-symptom-badge--soon {
  color: #7A5200;
  background: var(--wc-warm-light);
}
.wc-symptom-item--more {
  border-style: dashed;
  color: var(--wc-gray-600);
}
.wc-symptom-item--more .wc-symptom-icon { color: var(--wc-gray-400); }
.wc-symptom-item--more:hover { border-color: var(--wc-teal); color: var(--wc-teal); }

/* ── 診断グリッド v2（5枚） ── */
.wc-diag-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 8px;
}
@media (min-width: 480px) {
  .wc-diag-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 768px) {
  .wc-diag-grid { grid-template-columns: repeat(3, 1fr); }
  /* 1枚目を大きく（提供中を強調） */
  .wc-diag-card:first-child { grid-column: span 1; }
}
@media (min-width: 1024px) {
  .wc-diag-grid { grid-template-columns: repeat(5, 1fr); }
}

/* 提供中 */
.wc-diag-status {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 100px;
  margin-bottom: 4px;
}
.wc-diag-status--live {
  color: var(--wc-white);
  background: var(--wc-teal);
}
.wc-diag-status--soon {
  color: #7A5200;
  background: var(--wc-warm-light);
  border: 1px solid var(--wc-warm);
}

/* 近日公開カード */
.wc-diag-card--soon {
  opacity: 1;           /* 旧 opacity:.65 を廃止 */
  border-color: var(--wc-gray-200);
  cursor: default;
  background: var(--wc-gray-50);
}
.wc-diag-card--soon .wc-diag-card-title { color: var(--wc-gray-700, #4A5568); }
.wc-diag-card--soon .wc-diag-card-desc  { color: var(--wc-gray-500, #718096); }
.wc-diag-card--soon:hover {
  transform: none;
  box-shadow: var(--wc-shadow-sm);
}

.wc-diag-card-notify {
  font-size: 12px;
  color: var(--wc-teal-dark);
  font-weight: 600;
}

/* ── 比較カード v2 ── */
.wc-compare-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: 8px;
}
@media (min-width: 480px) {
  .wc-compare-grid { grid-template-columns: repeat(2, 1fr); }
}

.wc-compare-card {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--wc-white);
  border: 1px solid var(--wc-gray-200);
  border-radius: var(--wc-radius);
  padding: 20px;
  text-decoration: none;
  transition: box-shadow var(--wc-transition), transform var(--wc-transition), border-color var(--wc-transition);
}
.wc-compare-card:hover {
  box-shadow: var(--wc-shadow);
  transform: translateY(-2px);
  border-color: var(--wc-teal);
}
.wc-compare-card-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--wc-teal-light);
  border-radius: var(--wc-radius);
  color: var(--wc-teal);
}
.wc-compare-card-body { flex: 1; min-width: 0; }
.wc-compare-card-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--wc-gray-900);
  margin: 0 0 4px;
}
.wc-compare-card-desc {
  font-size: 13px;
  color: var(--wc-gray-600);
  margin: 0;
}
.wc-compare-card-arrow {
  font-size: 18px;
  color: var(--wc-teal);
  font-weight: 700;
  flex-shrink: 0;
}

/* ── LINE CTAの柔らかい訴求 ── */
.wc-line-cta-eyebrow {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  color: rgba(255,255,255,.6);
  background: rgba(255,255,255,.15);
  padding: 3px 10px;
  border-radius: 100px;
  margin-bottom: 8px;
}
.wc-line-cta-actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}
.wc-line-cta-note {
  font-size: 11px;
  color: rgba(255,255,255,.55);
  margin: 0;
  text-align: center;
}

/* ── 商品ブロック (product_inserter.py 生成) ───────────────────── */
.wc-product-block { font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", sans-serif; max-width: 900px; margin: 2em auto; }
.wc-pr-disclosure { font-size: .75em; color: #888; text-align: right; margin-bottom: .5em; padding: 4px 8px; background: #f8f8f8; border-radius: 4px; }
.wc-block-heading { font-size: 1.4em; font-weight: bold; border-left: 4px solid #4a90d9; padding-left: .6em; margin: 1em 0 .8em; color: #222; }
.wc-insufficient-note { font-size: .85em; color: #888; padding: 8px 12px; background: #f9f9f9; border: 1px dashed #ccc; border-radius: 6px; margin-bottom: 1em; }
.wc-cards { display: flex; flex-direction: column; gap: 1.2em; margin-bottom: 1.5em; }
.wc-card { border: 1px solid #e0e0e0; border-radius: 10px; padding: 1.2em 1.4em; background: #fff; box-shadow: 0 2px 6px rgba(0,0,0,.06); position: relative; }
.wc-card-header { display: flex; align-items: flex-start; gap: .8em; margin-bottom: .6em; }
.wc-rank-badge { flex-shrink: 0; width: 2em; height: 2em; border-radius: 50%; background: #4a90d9; color: #fff; font-weight: bold; font-size: 1em; display: flex; align-items: center; justify-content: center; margin-top: 2px; }
.wc-rank-badge.rank-1 { background: #c0932a; }
.wc-rank-badge.rank-2 { background: #888; }
.wc-rank-badge.rank-3 { background: #a0651a; }
.wc-card-title-area { flex: 1; }
.wc-card-product-name { font-size: 1.1em; font-weight: bold; color: #111; margin: 0 0 2px; }
.wc-card-brand { font-size: .82em; color: #666; margin: 0; }
.wc-badges { display: flex; flex-wrap: wrap; gap: 6px; margin: .5em 0 .6em; }
.wc-badge { font-size: .75em; padding: 2px 8px; border-radius: 12px; font-weight: bold; }
.wc-badge-lulute { background: #e8f0fb; color: #2a5db0; }
.wc-badge-lulute.grade-sp { background: #fff3cd; color: #856404; }
.wc-badge-lulute.grade-s  { background: #d1e7dd; color: #0a5c36; }
.wc-badge-lulute.grade-a  { background: #e8f0fb; color: #2a5db0; }
.wc-badge-lulute.grade-b  { background: #f8f9fa; color: #555; }
.wc-badge-lulute.grade-c  { background: #f5f5f5; color: #888; }
.wc-badge-health { background: #f3e8fb; color: #6a2a9e; }
.wc-card-meta { font-size: .85em; color: #444; margin-bottom: .5em; }
.wc-card-meta-row { display: flex; gap: 1em; flex-wrap: wrap; margin-bottom: 2px; }
.wc-card-meta-label { color: #888; font-size: .9em; min-width: 4em; }
.wc-card-issue { font-size: .85em; color: #555; margin-bottom: .6em; padding: 4px 0; border-top: 1px solid #f0f0f0; }
.wc-card-buttons { display: flex; gap: .6em; flex-wrap: wrap; margin-top: .8em; }
.wc-btn-amazon { background: #FF9900; color: #111; }
.wc-btn-rakuten { background: #BF0000; color: #fff; }
.wc-review-summary { font-size: .78em; color: #777; margin-top: .5em; }
.wc-comparison-wrap { overflow-x: auto; margin: 1em 0; }
.wc-comparison-table { width: 100%; border-collapse: collapse; font-size: .88em; }
.wc-comparison-table th, .wc-comparison-table td { border: 1px solid #ddd; padding: .5em .8em; text-align: left; vertical-align: top; }
.wc-comparison-table th { background: #f2f6fc; color: #333; font-weight: bold; white-space: nowrap; }
.wc-comparison-table tr:nth-child(even) td { background: #fafafa; }
.wc-comparison-table td.grade-sp { color: #856404; font-weight: bold; }
.wc-comparison-table td.grade-s  { color: #0a5c36; font-weight: bold; }
.wc-comparison-table td.grade-a  { color: #2a5db0; font-weight: bold; }
.wc-coming-soon { font-size: .85em; color: #aaa; text-align: center; padding: 1em; border: 1px dashed #ddd; border-radius: 8px; margin: .5em 0; }
@media (max-width: 600px) {
  .wc-card-header { flex-direction: column; gap: .4em; }
  .wc-card-buttons { flex-direction: column; }
  .wc-card-buttons .wc-btn { text-align: center; justify-content: center; }
}

/* ── wcjh 関連記事グリッド修正 ──────────────────── */
.wcjh-grid > p {
  display: contents;
}
.wcjh-grid > p > br {
  display: none;
}
/* 中身が空の wcjh-card を非表示 */
.wcjh-grid .wcjh-card:not(:has(*)) {
  display: none !important;
}
/* アイコンだけのカード（テキスト無し）を非表示 */
.wcjh-grid .wcjh-card:has(> .wcjh-card-icon:only-child) {
  display: none !important;
}