/* ============================================================
   MEDI ALPHA PLUS - 尿検査キット LP
   メインスタイルシート
   ============================================================ */

/* ===== CSS変数 ===== */
:root {
  --color-primary: #0066CC;
  --color-primary-dark: #004F99;
  --color-primary-light: #E8F0FB;
  --color-accent: #FF6B00;
  --color-accent-light: #FFF3E8;
  --color-yellow: #FFD600;
  --color-yellow-dark: #F5C800;
  --color-dark: #1A1A2E;
  --color-text: #333344;
  --color-text-light: #666677;
  --color-bg: #FFFFFF;
  --color-bg-gray: #F4F6FA;
  --color-bg-blue: #0055AA;
  --color-border: #E0E4EE;
  --color-success: #00AA66;
  --font-main: 'Noto Sans JP', sans-serif;
  --font-eng: 'Inter', sans-serif;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
  --shadow-md: 0 6px 24px rgba(0,0,0,0.10);
  --shadow-lg: 0 16px 48px rgba(0,0,0,0.14);
  --shadow-blue: 0 8px 32px rgba(0,102,204,0.25);
  --transition: 0.25s ease;
  --header-h: 68px;
}

/* ===== リセット・ベース ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-main);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ===== ユーティリティ ===== */
.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }
.hidden { display: none !important; }
.text-accent { color: var(--color-accent); }
.text-primary { color: var(--color-primary); }
.text-yellow { color: var(--color-yellow); }
.pc-only { display: inline; }
.sp-only { display: none; }

/* ===== セクション共通 ===== */
.section { padding: 80px 0; }
.section-gray { background: var(--color-bg-gray); }
.section-blue {
  background: linear-gradient(135deg, var(--color-bg-blue) 0%, #003D80 100%);
  color: #fff;
}
.section-form {
  background: linear-gradient(135deg, #0A1628 0%, #0D2144 100%);
  color: #fff;
}

.section-label {
  display: inline-block;
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 4px 14px;
  border-radius: 100px;
  margin-bottom: 16px;
}
.section-label.light {
  background: rgba(255,255,255,0.18);
  color: #fff;
}

.section-title {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 900;
  line-height: 1.3;
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}
.section-title.light { color: #fff; }

.section-desc {
  font-size: 1rem;
  color: var(--color-text-light);
  margin-bottom: 48px;
}
.section-desc.light { color: rgba(255,255,255,0.8); }
.section-desc small { font-size: 0.85em; }

/* ===== ヘッダー ===== */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--header-h);
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--transition);
}
.header.scrolled { box-shadow: var(--shadow-md); }

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 24px;
}

.header-logo { flex-shrink: 0; }
.logo-img { height: 40px; width: auto; }

.header-nav {
  display: flex;
  gap: 4px;
  flex: 1;
  justify-content: center;
}
.header-nav a {
  padding: 6px 12px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}
.header-nav a:hover { color: var(--color-primary); background: var(--color-primary-light); }

/* ヘッダー電話番号 */
.header-tel {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--color-text);
  text-decoration: none;
  transition: color var(--transition);
}
.header-tel:hover { color: var(--color-primary); }
.header-tel > i { color: var(--color-primary); font-size: 1rem; }
.header-tel-body { display: flex; flex-direction: column; }
.header-tel-num {
  font-size: 1rem;
  font-weight: 800;
  font-family: var(--font-eng);
  line-height: 1.2;
  letter-spacing: 0.02em;
}
.header-tel-time { font-size: 0.65rem; color: var(--color-text-light); }

.header-cta {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--color-primary);
  color: #fff;
  font-size: 0.875rem;
  font-weight: 700;
  padding: 10px 20px;
  border-radius: var(--radius-md);
  transition: all var(--transition);
  white-space: nowrap;
}
.header-cta:hover {
  background: var(--color-primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-blue);
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  margin-left: auto;
}
.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ===== ヒーロー ===== */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  background-image: url('https://cdn.shopify.com/s/files/1/0744/6328/1389/files/41e442ba-a6a0-4d7a-b314-2cd2428d473a.png?v=1773848449');
  background-size: cover;
  background-position: center;
  padding-top: var(--header-h);
  overflow: hidden;
}

.hero-bg-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(110deg,
    rgba(5,20,60,0.88) 0%,
    rgba(0,50,120,0.75) 50%,
    rgba(0,30,80,0.55) 100%
  );
}

.hero-inner {
  position: relative;
  z-index: 1;
  padding-top: 40px;
  padding-bottom: 80px;
  max-width: 760px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,214,0,0.18);
  border: 1px solid rgba(255,214,0,0.5);
  color: var(--color-yellow);
  font-size: 0.78rem;
  font-weight: 700;
  padding: 5px 14px;
  border-radius: 100px;
  margin-bottom: 24px;
  letter-spacing: 0.04em;
}

.hero-title {
  font-size: clamp(2rem, 5.5vw, 3.8rem);
  font-weight: 900;
  color: #fff;
  line-height: 1.15;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}
.hero-title-small {
  display: block;
  font-size: 0.45em;
  font-weight: 600;
  color: rgba(255,255,255,0.7);
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}
.hero-title-accent { color: var(--color-yellow); }

.hero-sub {
  font-size: clamp(0.95rem, 2vw, 1.125rem);
  color: rgba(255,255,255,0.88);
  margin-bottom: 28px;
  line-height: 1.8;
}
.hero-sub strong { color: #fff; }
.hero-sub-accent {
  background: var(--color-yellow);
  color: #111;
  font-weight: 800;
  padding: 2px 8px;
  border-radius: 4px;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 36px;
}
.hero-tags span {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.25);
  color: #fff;
  font-size: 0.82rem;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 100px;
}
.hero-tags span i { color: #6EE7B7; font-size: 0.75em; }

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 40px;
}

.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius-md);
  padding: 18px 24px;
  width: fit-content;
}
.hero-trust-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0 24px;
  text-align: center;
}
.hero-trust-item:first-child { padding-left: 0; }
.hero-trust-item strong {
  font-size: 1.5rem;
  font-weight: 900;
  color: #fff;
  font-family: var(--font-eng);
  line-height: 1;
}
.hero-trust-item strong span { font-size: 0.65em; color: rgba(255,255,255,0.7); }
.hero-trust-item > span {
  font-size: 0.73rem;
  color: rgba(255,255,255,0.65);
  margin-top: 4px;
}
.hero-trust-divider {
  width: 1px;
  background: rgba(255,255,255,0.2);
  margin: 0;
}

.hero-scroll-hint {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  color: rgba(255,255,255,0.5);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  animation: bounce 2s infinite;
}
@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}

/* ===== ボタン ===== */
.btn {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  font-family: var(--font-main);
  font-weight: 700;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  border: 2px solid transparent;
  line-height: 1.3;
}
.btn i { margin-right: 6px; }
.btn-sub {
  display: block;
  font-size: 0.72rem;
  font-weight: 500;
  opacity: 0.85;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  padding: 14px 28px;
  font-size: 1rem;
}
.btn-primary:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-blue);
}

.btn-outline {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.5);
  padding: 14px 28px;
  font-size: 1rem;
}
.btn-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: #fff;
}

.btn-ghost {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
  padding: 12px 20px;
  font-size: 0.9rem;
}
.btn-ghost:hover {
  background: var(--color-primary-light);
}

.btn-yellow {
  background: var(--color-yellow);
  color: #111;
  padding: 18px 36px;
  font-size: 1.05rem;
}
.btn-yellow:hover {
  background: var(--color-yellow-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(255,214,0,0.4);
}

.btn-xl { padding: 18px 36px; font-size: 1.05rem; }
.btn-sm { padding: 8px 16px; font-size: 0.82rem; border-radius: var(--radius-sm); }
.btn-block { width: 100%; text-align: center; }

/* ===== 課題セクション ===== */
.challenges-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 48px;
}
.challenge-card {
  background: #fff;
  border-radius: var(--radius-md);
  padding: 28px 24px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: all var(--transition);
}
.challenge-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
}
.challenge-icon {
  width: 48px; height: 48px;
  background: var(--color-primary-light);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  font-size: 1.2rem;
  margin-bottom: 14px;
}
.challenge-card h3 {
  font-size: 1rem;
  font-weight: 800;
  margin-bottom: 8px;
  color: var(--color-dark);
}
.challenge-card p {
  font-size: 0.875rem;
  color: var(--color-text-light);
  line-height: 1.6;
}

.challenge-solution-banner {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  border-radius: var(--radius-xl);
  padding: 36px 48px;
  text-align: center;
  color: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}
.challenge-solution-text {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  opacity: 0.85;
}
.challenge-solution-brand {
  font-size: clamp(1.2rem, 2.5vw, 1.7rem);
  font-weight: 900;
}

/* ===== 強みセクション ===== */
.strengths-list {
  display: flex;
  flex-direction: column;
  gap: 64px;
}

.strength-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.strength-item-rev .strength-img { order: 2; }
.strength-item-rev .strength-body { order: 1; }

.strength-img {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.strength-img img {
  width: 100%;
  height: 320px;
  object-fit: cover;
  display: block;
}

.quality-grid {
  background: var(--color-primary);
  padding: 36px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 28px;
  min-height: 320px;
}
.quality-badge-large {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: #fff;
  font-size: 1.1rem;
  font-weight: 800;
}
.quality-badge-large i { font-size: 3rem; color: var(--color-yellow); }
.quality-stats {
  display: flex;
  gap: 20px;
}
.qstat {
  display: flex;
  flex-direction: column;
  align-items: center;
  color: #fff;
  text-align: center;
}
.qstat strong {
  font-size: 1.4rem;
  font-weight: 900;
  font-family: var(--font-eng);
  color: var(--color-yellow);
}
.qstat span { font-size: 0.72rem; opacity: 0.8; margin-top: 2px; }

.strength-num {
  font-size: 3.5rem;
  font-weight: 900;
  color: var(--color-border);
  font-family: var(--font-eng);
  line-height: 1;
  margin-bottom: 8px;
}
.strength-tag {
  display: inline-block;
  background: var(--color-accent-light);
  color: var(--color-accent);
  font-size: 0.78rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 100px;
  margin-bottom: 12px;
}
.strength-body h3 {
  font-size: clamp(1.4rem, 2.5vw, 1.9rem);
  font-weight: 900;
  margin-bottom: 14px;
  line-height: 1.3;
}
.strength-body p {
  color: var(--color-text-light);
  margin-bottom: 20px;
  line-height: 1.8;
}
.strength-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.strength-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  font-weight: 600;
}
.strength-list li i { color: var(--color-primary); font-size: 0.85em; flex-shrink: 0; }

/* コスト比較 */
.cost-compare {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--color-bg-gray);
  border-radius: var(--radius-md);
  padding: 20px;
  margin-top: 20px;
}
.cost-before, .cost-after {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  text-align: center;
}
.cost-label {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--color-text-light);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.cost-before ul {
  font-size: 0.85rem;
  color: var(--color-text-light);
  line-height: 1.9;
}
.cost-total-bad {
  font-size: 0.9rem;
  font-weight: 700;
  color: #CC0000;
  background: #FFF0F0;
  padding: 3px 10px;
  border-radius: var(--radius-sm);
}
.cost-arrow { color: var(--color-primary); font-size: 1.2rem; }
.cost-price {
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--color-primary);
  font-family: var(--font-eng);
  line-height: 1;
}
.cost-price span { font-size: 0.5em; color: var(--color-text-light); }
.cost-note {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--color-primary);
  background: var(--color-primary-light);
  padding: 3px 10px;
  border-radius: var(--radius-sm);
}

/* ===== 商品セクション ===== */
.product-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}

.product-img-main {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.product-img-main img {
  width: 100%;
  aspect-ratio: 1/1;
  object-fit: contain;
  background: #f8f9fb;
}
.product-img-badge {
  position: absolute;
  top: 16px; left: 16px;
  background: var(--color-primary);
  color: #fff;
  font-size: 0.78rem;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: 100px;
  display: flex;
  align-items: center;
  gap: 5px;
}

.product-variants {
  display: flex;
  gap: 12px;
  margin-top: 12px;
}
.variant-card {
  flex: 1;
  background: #fff;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 10px;
  cursor: pointer;
  transition: all var(--transition);
  text-align: center;
}
.variant-card:hover, .variant-card.active {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
}
.variant-card img {
  width: 100%;
  aspect-ratio: 1/1;
  object-fit: contain;
  border-radius: var(--radius-sm);
  margin-bottom: 6px;
}
.variant-card span {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text);
}

.product-name {
  font-size: 1.6rem;
  font-weight: 900;
  margin-bottom: 16px;
  line-height: 1.3;
}
.product-name span {
  font-size: 0.6em;
  color: var(--color-text-light);
  font-weight: 600;
}

.product-price-block {
  background: var(--color-primary-light);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  margin-bottom: 24px;
  display: flex;
  align-items: baseline;
  gap: 8px;
  flex-wrap: wrap;
}
.product-price-from {
  font-size: 0.85rem;
  color: var(--color-primary);
  font-weight: 600;
  width: 100%;
  margin-bottom: 4px;
}
.product-price-main {
  font-size: 3rem;
  font-weight: 900;
  color: var(--color-primary);
  font-family: var(--font-eng);
  line-height: 1;
}
.product-price-main span { font-size: 0.45em; color: var(--color-text-light); }
.product-price-note {
  font-size: 0.75rem;
  color: var(--color-text-light);
  width: 100%;
}

.product-contents {
  margin-bottom: 24px;
}
.product-contents h4 {
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--color-primary);
}
.product-contents ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.product-contents li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--color-text);
}
.product-contents li i { color: var(--color-success); font-size: 0.85em; flex-shrink: 0; }
.product-contents li strong { color: var(--color-primary); }

.product-delivery {
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: var(--color-bg-gray);
  border-radius: var(--radius-md);
  padding: 16px;
  margin-bottom: 24px;
}
.delivery-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.875rem;
}
.delivery-item i {
  color: var(--color-primary);
  width: 18px;
  margin-top: 2px;
}
.delivery-item div {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.delivery-item strong { font-weight: 700; }
.delivery-item span { color: var(--color-text-light); }

.product-info .btn + .btn { margin-top: 10px; }

/* ===== 価格表 ===== */
.pricing-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 28px;
  background: var(--color-bg-gray);
  padding: 5px;
  border-radius: var(--radius-md);
  width: fit-content;
}
.ptab {
  padding: 10px 22px;
  font-size: 0.9rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  color: var(--color-text-light);
  transition: all var(--transition);
}
.ptab.active {
  background: #fff;
  color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.pricing-content { margin-bottom: 48px; }
.pricing-header {
  margin-bottom: 20px;
}
.pricing-header h3 {
  font-size: 1.3rem;
  font-weight: 800;
  margin-bottom: 6px;
}
.pricing-header p { color: var(--color-text-light); font-size: 0.9rem; }

.pricing-table {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.pricing-row {
  display: grid;
  grid-template-columns: 1.5fr 1.5fr 1.5fr 1fr;
  align-items: center;
  padding: 20px 24px;
  border-bottom: 1px solid var(--color-border);
  position: relative;
  background: #fff;
  transition: background var(--transition);
}
.pricing-row:last-child { border-bottom: none; }
.pricing-row:hover { background: var(--color-primary-light); }
.pricing-row-featured {
  background: linear-gradient(135deg, #EFF6FF 0%, #DBEAFE 100%) !important;
  border-left: 4px solid var(--color-primary);
}

.pricing-badge {
  position: absolute;
  top: 12px; left: -2px;
  background: var(--color-accent);
  color: #fff;
  font-size: 0.68rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.pricing-qty { font-size: 1rem; font-weight: 700; }
.pricing-unit {
  font-size: 1.4rem;
  font-weight: 900;
  color: var(--color-primary);
  font-family: var(--font-eng);
}
.pricing-unit span { font-size: 0.55em; color: var(--color-text-light); }
.pricing-total { font-size: 0.9rem; color: var(--color-text-light); }

/* コスト比較バー */
.cost-comparison {
  background: var(--color-bg-gray);
  border-radius: var(--radius-lg);
  padding: 36px;
  margin-bottom: 48px;
}
.cost-comparison h3 {
  font-size: 1.2rem;
  font-weight: 800;
  margin-bottom: 28px;
}
.compare-bars { display: flex; flex-direction: column; gap: 16px; }
.compare-bar-item { display: flex; flex-direction: column; gap: 8px; }
.compare-label { font-size: 0.85rem; font-weight: 600; color: var(--color-text-light); }
.compare-bar {
  background: #E0E4EE;
  border-radius: 100px;
  height: 40px;
  overflow: hidden;
}
.compare-fill {
  height: 100%;
  border-radius: 100px;
  display: flex;
  align-items: center;
  padding: 0 16px;
  font-size: 0.85rem;
  font-weight: 700;
  color: #fff;
  min-width: 80px;
  transition: width 1s ease;
}
.compare-fill-bad { background: #CC4444; }
.compare-fill-mid { background: var(--color-accent); }
.compare-fill-good { background: var(--color-primary); }
.compare-note { font-size: 0.78rem; color: var(--color-text-light); margin-top: 16px; }

/* なぜ安いのか */
.why-cheap {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 36px;
}
.why-cheap h3 {
  font-size: 1.2rem;
  font-weight: 800;
  margin-bottom: 28px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.why-cheap h3 i { color: var(--color-yellow-dark); }
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.why-item { text-align: center; }
.why-icon {
  width: 56px; height: 56px;
  background: var(--color-primary-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  font-size: 1.3rem;
  margin: 0 auto 12px;
}
.why-item h4 { font-size: 0.9rem; font-weight: 700; margin-bottom: 8px; }
.why-item p { font-size: 0.82rem; color: var(--color-text-light); line-height: 1.7; }

/* ===== 法人セクション ===== */
.corp-points {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 40px;
}
.corp-point {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius-md);
  padding: 28px 24px;
}
.corp-num {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--color-yellow);
  letter-spacing: 0.1em;
  margin-bottom: 10px;
}
.corp-point h4 {
  font-size: 1.1rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 10px;
}
.corp-point p { font-size: 0.875rem; color: rgba(255,255,255,0.8); line-height: 1.7; margin-bottom: 10px; }
.corp-point strong { color: var(--color-yellow); }
.corp-example {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.55);
  font-style: italic;
}

.corp-merits {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
  margin-bottom: 40px;
}
.corp-merit {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.12);
  color: #fff;
  padding: 10px 20px;
  border-radius: 100px;
  font-size: 0.875rem;
  font-weight: 600;
}
.corp-merit i { color: var(--color-yellow); }

.section-blue .btn-yellow { display: block; margin: 0 auto; text-align: center; max-width: 480px; }

/* ===== 大口実績カード ===== */
.big-clients {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 36px;
}
.big-client-card {
  background: #fff;
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-lg);
  padding: 24px 28px;
  display: flex;
  align-items: center;
  gap: 18px;
  position: relative;
  box-shadow: var(--shadow-md);
}
.big-client-icon {
  width: 52px; height: 52px;
  background: var(--color-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.3rem;
  flex-shrink: 0;
}
.big-client-body { flex: 1; }
.big-client-tag {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--color-primary);
  background: var(--color-primary-light);
  display: inline-block;
  padding: 2px 8px;
  border-radius: 100px;
  margin-bottom: 6px;
  letter-spacing: 0.05em;
}
.big-client-name {
  font-size: 1rem;
  font-weight: 800;
  color: var(--color-dark);
  margin-bottom: 6px;
}
.big-client-volume {
  font-size: 0.875rem;
  color: var(--color-text-light);
}
.big-client-volume strong { color: var(--color-primary); font-size: 1.05em; }
.big-client-badge {
  position: absolute;
  top: -10px; right: 16px;
  background: var(--color-success);
  color: #fff;
  font-size: 0.68rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 100px;
}

/* ===== 業種別導入実績 ===== */
.industry-adoption {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 28px 32px;
  margin-bottom: 36px;
  border: 1px solid var(--color-border);
}
.industry-adoption-title {
  font-size: 1rem;
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.industry-adoption-title::before {
  content: '';
  display: inline-block;
  width: 4px; height: 18px;
  background: var(--color-primary);
  border-radius: 2px;
}
.industry-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.industry-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  text-align: center;
  padding: 16px 8px;
  background: var(--color-bg-gray);
  border-radius: var(--radius-md);
  transition: all var(--transition);
}
.industry-item:hover { background: var(--color-primary-light); }
.industry-item > i { color: var(--color-success); font-size: 1.1rem; }
.industry-name { font-size: 0.875rem; font-weight: 700; color: var(--color-dark); }
.industry-status {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--color-success);
  background: #ECFDF5;
  padding: 2px 8px;
  border-radius: 100px;
}

/* ===== お客様の声 ===== */
.voices-wrap {
  margin-bottom: 36px;
}
.voices-title {
  font-size: 1rem;
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.voices-title::before {
  content: '';
  display: inline-block;
  width: 4px; height: 18px;
  background: var(--color-primary);
  border-radius: 2px;
}
.voice-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 32px 36px;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}
.voice-card::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 5px;
  background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  border-radius: 0;
}
.voice-quote {
  font-size: 2.5rem;
  color: var(--color-primary-light);
  line-height: 1;
  margin-bottom: 12px;
}
.voice-quote i { color: var(--color-primary); opacity: 0.25; }
blockquote.voice-text {
  font-size: 1.05rem;
  line-height: 1.85;
  color: var(--color-text);
  margin-bottom: 24px;
  font-style: normal;
  font-weight: 500;
}
blockquote.voice-text strong {
  color: var(--color-primary);
  font-weight: 800;
}
.voice-meta {
  display: flex;
  align-items: center;
  gap: 14px;
}
.voice-avatar {
  width: 44px; height: 44px;
  background: var(--color-primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 800;
  flex-shrink: 0;
  font-family: var(--font-eng);
}
.voice-info { display: flex; flex-direction: column; gap: 4px; }
.voice-who { font-size: 0.875rem; font-weight: 700; color: var(--color-text); }
.voice-stars {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 0.8rem;
}
.voice-stars i { color: var(--color-yellow-dark); font-size: 0.75rem; }
.voice-stars span {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-left: 6px;
  background: var(--color-primary-light);
  padding: 1px 8px;
  border-radius: 100px;
}

/* ===== 資格・認証バー ===== */
.cert-bar {
  background: var(--color-dark);
  border-radius: var(--radius-lg);
  padding: 24px 32px;
  margin-bottom: 36px;
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}
.cert-label {
  font-size: 0.75rem;
  font-weight: 700;
  color: rgba(255,255,255,0.5);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
}
.cert-items {
  display: flex;
  align-items: center;
  gap: 0;
  flex: 1;
  flex-wrap: wrap;
}
.cert-item {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 1;
  min-width: 160px;
  padding: 0 20px;
  color: #fff;
}
.cert-item i {
  font-size: 1.4rem;
  color: var(--color-yellow);
  flex-shrink: 0;
}
.cert-item span {
  font-size: 0.82rem;
  font-weight: 600;
  line-height: 1.5;
}
.cert-divider {
  width: 1px;
  height: 36px;
  background: rgba(255,255,255,0.15);
  flex-shrink: 0;
}

/* ===== 導入事例（cases-grid は引き続き使用） ===== */
.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}
.case-card {
  background: #fff;
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}
.case-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.case-icon {
  width: 48px; height: 48px;
  background: var(--color-primary-light);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  font-size: 1.2rem;
  margin-bottom: 14px;
}
.case-card h3 { font-size: 1rem; font-weight: 800; margin-bottom: 8px; }
.case-card p { font-size: 0.875rem; color: var(--color-text-light); line-height: 1.6; margin-bottom: 16px; flex: 1; }
.case-img { border-radius: var(--radius-md); overflow: hidden; margin-top: auto; }
.case-img img { width: 100%; aspect-ratio: 16/9; object-fit: cover; display: block; }

.trust-numbers {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  background: var(--color-primary);
  border-radius: var(--radius-xl);
  padding: 36px 24px;
}
.trust-num-item { text-align: center; }
.trust-number {
  font-size: 2.4rem;
  font-weight: 900;
  color: #fff;
  font-family: var(--font-eng);
  line-height: 1;
}
.trust-number span {
  font-size: 0.5em;
  color: rgba(255,255,255,0.7);
}
.trust-num-label {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.7);
  margin-top: 6px;
}

/* ===== FAQ ===== */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.faq-item { border-bottom: 1px solid var(--color-border); }
.faq-item:last-child { border-bottom: none; }
.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 28px;
  background: #fff;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-text);
  text-align: left;
  transition: background var(--transition);
  gap: 16px;
}
.faq-q:hover { background: var(--color-bg-gray); }
.faq-q.active { background: var(--color-primary-light); color: var(--color-primary); }
.faq-q.active i { transform: rotate(45deg); color: var(--color-primary); }
.faq-q i { flex-shrink: 0; color: var(--color-primary); transition: transform var(--transition); }
.faq-a {
  display: none;
  padding: 0 28px 22px;
  background: var(--color-bg-gray);
}
.faq-a.open { display: block; }
.faq-a p { font-size: 0.9rem; color: var(--color-text-light); line-height: 1.8; padding-top: 14px; }

/* ===== 見積CTA中央ブロック ===== */
.cta-center-block {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}
.cta-center-block .section-label { margin-bottom: 20px; }
.cta-center-block .section-title { margin-bottom: 16px; }
.cta-center-block .section-desc { margin-bottom: 32px; }

/* メリットリスト（中央揃え） */
.form-merits {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 32px;
}
.form-merits li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: rgba(255,255,255,0.9);
}
.form-merits li i { color: #6EE7B7; font-size: 0.85em; }
.form-merits-center {
  display: grid;
  grid-template-columns: 1fr 1fr;
  width: fit-content;
  margin: 0 auto 32px;
  text-align: left;
}

/* フロー（中央揃え） */
.form-flow {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.form-flow-center {
  justify-content: center;
  margin-bottom: 40px;
}
.flow-step {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.8);
}
.flow-num {
  width: 26px; height: 26px;
  background: var(--color-yellow);
  color: #111;
  font-size: 0.78rem;
  font-weight: 800;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.flow-arrow { color: rgba(255,255,255,0.4); font-size: 0.85rem; }

/* CTAボタングループ */
.cta-btn-group {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
}

/* メインCTAボタン（フォームへ） */
.btn-cta-main {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 16px;
  background: var(--color-yellow);
  color: #111;
  padding: 20px 32px;
  border-radius: var(--radius-lg);
  font-family: var(--font-main);
  font-weight: 800;
  width: 100%;
  max-width: 520px;
  text-decoration: none;
  transition: all var(--transition);
  box-shadow: 0 6px 24px rgba(255,214,0,0.3);
  text-align: left;
}
.btn-cta-main:hover {
  background: var(--color-yellow-dark);
  transform: translateY(-3px);
  box-shadow: 0 12px 36px rgba(255,214,0,0.45);
}
.btn-cta-icon {
  font-size: 1.6rem;
  flex-shrink: 0;
  color: #333;
}
.btn-cta-body {
  display: flex;
  flex-direction: column;
  gap: 3px;
  flex: 1;
}
.btn-cta-main-text {
  font-size: 1.1rem;
  font-weight: 900;
  line-height: 1.2;
}
.btn-cta-sub {
  font-size: 0.75rem;
  font-weight: 500;
  opacity: 0.7;
}
.btn-cta-arrow {
  font-size: 1rem;
  flex-shrink: 0;
  opacity: 0.6;
}

/* OR区切り */
.cta-or {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.4);
  letter-spacing: 0.1em;
}

/* 電話ボタン */
.btn-cta-tel {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 14px;
  background: rgba(255,255,255,0.1);
  border: 1.5px solid rgba(255,255,255,0.25);
  color: #fff;
  padding: 16px 28px;
  border-radius: var(--radius-lg);
  font-family: var(--font-main);
  font-weight: 700;
  width: 100%;
  max-width: 520px;
  text-decoration: none;
  transition: all var(--transition);
  text-align: left;
}
.btn-cta-tel:hover {
  background: rgba(255,255,255,0.18);
  border-color: rgba(255,255,255,0.5);
  transform: translateY(-2px);
}
.btn-cta-tel > i {
  font-size: 1.3rem;
  flex-shrink: 0;
  color: #6EE7B7;
}
.btn-cta-tel .btn-cta-main-text {
  font-size: 1.2rem;
  font-family: var(--font-eng);
  letter-spacing: 0.03em;
}
.btn-cta-tel .btn-cta-sub { color: rgba(255,255,255,0.6); }

/* 注意書き */
.cta-note {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}
.cta-note i { font-size: 0.75em; }

/* ===== フッター ===== */
.footer {
  background: var(--color-dark);
  color: rgba(255,255,255,0.75);
  padding: 60px 0 0;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-logo-img { height: 36px; width: auto; filter: brightness(0) invert(1); margin-bottom: 14px; }
.footer-logo p { font-size: 0.82rem; line-height: 1.7; }
.footer-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.footer-col h4 {
  font-size: 0.82rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 8px; }
.footer-col ul li {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
}
.footer-col ul li i { font-size: 0.85em; color: rgba(255,255,255,0.4); }
.footer-col ul li a { transition: color var(--transition); }
.footer-col ul li a:hover { color: #fff; }
.footer-address { margin-top: 12px; font-size: 0.78rem; line-height: 1.7; }
.footer-bottom {
  padding: 20px 0;
  text-align: center;
  font-size: 0.78rem;
  color: rgba(255,255,255,0.35);
}

/* ===== 固定CTA ===== */
.sticky-cta {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 900;
  background: rgba(10,20,50,0.97);
  backdrop-filter: blur(10px);
  border-top: 1px solid rgba(255,255,255,0.1);
  transform: translateY(100%);
  transition: transform 0.4s cubic-bezier(0.4,0,0.2,1);
}
.sticky-cta.visible { transform: translateY(0); }
.sticky-cta-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 12px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.sticky-cta-text { display: flex; flex-direction: column; }
.sticky-cta-text strong { color: #fff; font-size: 0.95rem; }
.sticky-cta-text span { color: rgba(255,255,255,0.55); font-size: 0.78rem; }

/* 固定CTA 2ボタン */
.sticky-cta-btns {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-shrink: 0;
}
.btn-sticky-tel {
  display: flex;
  align-items: center;
  gap: 7px;
  background: rgba(255,255,255,0.12);
  border: 1.5px solid rgba(255,255,255,0.3);
  color: #fff;
  padding: 10px 16px;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 700;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn-sticky-tel:hover { background: rgba(255,255,255,0.2); }
.btn-sticky-tel i { color: #6EE7B7; }
.sticky-tel-label { display: inline; }

/* ===== TOPボタン ===== */
.back-to-top {
  position: fixed;
  bottom: 80px;
  right: 24px;
  z-index: 900;
  width: 44px; height: 44px;
  background: var(--color-primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  box-shadow: var(--shadow-md);
  opacity: 0;
  transform: translateY(10px);
  transition: all var(--transition);
  pointer-events: none;
}
.back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: all;
}
.back-to-top:hover { background: var(--color-primary-dark); transform: translateY(-2px); }

/* ===== アニメーション ===== */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== レスポンシブ ===== */
@media (max-width: 1024px) {
  .strength-item, .strength-item-rev {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .strength-item-rev .strength-img { order: 0; }
  .strength-item-rev .strength-body { order: 0; }
  .strength-img img { height: 240px; }
  .product-layout { grid-template-columns: 1fr; gap: 32px; }
  .form-merits-center { grid-template-columns: 1fr; }
  .challenges-grid { grid-template-columns: repeat(2, 1fr); }
  .big-clients { grid-template-columns: 1fr; }
  .industry-grid { grid-template-columns: repeat(2, 1fr); }
  .cert-bar { flex-direction: column; align-items: flex-start; gap: 16px; }
  .cert-items { gap: 0; flex-direction: column; width: 100%; }
  .cert-item { padding: 12px 0; border-bottom: 1px solid rgba(255,255,255,0.08); min-width: unset; }
  .cert-divider { display: none; }
  .why-grid { grid-template-columns: 1fr; gap: 20px; }
  .why-item { text-align: left; display: flex; align-items: flex-start; gap: 16px; }
  .why-icon { flex-shrink: 0; margin: 0; }
}

@media (max-width: 768px) {
  :root { --header-h: 60px; }
  .pc-only { display: none; }
  .sp-only { display: inline; }
  .section { padding: 60px 0; }

  /* ヘッダー */
  .header-nav { display: none; flex-direction: column; position: absolute; top: var(--header-h); left: 0; right: 0; background: #fff; padding: 16px 24px; border-bottom: 1px solid var(--color-border); gap: 4px; box-shadow: var(--shadow-md); }
  .header-nav.open { display: flex; }
  .header-nav a { padding: 10px 12px; font-size: 1rem; border-radius: var(--radius-sm); }
  .header-cta { display: none; }
  .header-tel { display: none; }
  .menu-toggle { display: flex; }

  /* ヒーロー */
  .hero { min-height: 100svh; }
  .hero-inner { padding-top: 28px; padding-bottom: 60px; }
  .hero-title { font-size: 2rem; }
  .hero-cta-group { flex-direction: column; }
  .hero-cta-group .btn { width: 100%; justify-content: center; }
  .hero-trust { width: 100%; justify-content: space-between; padding: 16px; }
  .hero-trust-item { padding: 0 12px; }
  .hero-trust-item strong { font-size: 1.2rem; }

  /* 課題 */
  .challenges-grid { grid-template-columns: 1fr; }
  .challenge-solution-banner { padding: 24px; }

  /* 価格表 */
  .pricing-row { grid-template-columns: 1fr 1fr; row-gap: 8px; }
  .pricing-total { display: none; }
  .pricing-action { grid-column: 1/-1; }
  .pricing-tabs { width: 100%; }
  .ptab { flex: 1; text-align: center; font-size: 0.82rem; padding: 8px 10px; }

  /* 法人 */
  .corp-points { grid-template-columns: 1fr; }
  .corp-merits { gap: 10px; }
  .corp-merit { font-size: 0.82rem; padding: 8px 14px; }

  /* 導入実績 */
  .big-clients { grid-template-columns: 1fr; }
  .industry-grid { grid-template-columns: repeat(2, 1fr); }
  .voice-card { padding: 24px 20px; }
  blockquote.voice-text { font-size: 0.95rem; }
  .cert-bar { flex-direction: column; gap: 14px; }
  .cert-items { flex-wrap: wrap; gap: 12px; }
  .cert-item { min-width: calc(50% - 6px); flex: unset; padding: 10px 12px; }
  .cert-divider { display: none; }
  .cases-grid { grid-template-columns: 1fr; }
  .trust-numbers { grid-template-columns: repeat(2, 1fr); padding: 24px; gap: 20px; }
  .trust-number { font-size: 1.8rem; }

  /* FAQ */
  .faq-q { padding: 18px 20px; font-size: 0.9rem; }
  .faq-a { padding: 0 20px 18px; }

  /* CTA */
  .btn-cta-main, .btn-cta-tel { max-width: 100%; }
  .form-merits-center { grid-template-columns: 1fr; width: 100%; }

  /* フッター */
  .footer-inner { grid-template-columns: 1fr; }
  .footer-links { grid-template-columns: 1fr 1fr; }

  /* 固定CTA */
  .sticky-cta-inner { padding: 10px 16px; }
  .sticky-cta-text { display: none; }
  .sticky-cta-btns { width: 100%; gap: 8px; }
  .sticky-cta-btns .btn, .btn-sticky-tel { flex: 1; justify-content: center; font-size: 0.875rem; padding: 11px 10px; }
  .sticky-tel-label { display: inline; }

  .back-to-top { bottom: 70px; right: 16px; width: 40px; height: 40px; }
}

@media (max-width: 480px) {
  .hero-badge { font-size: 0.7rem; padding: 4px 10px; text-align: center; }
  .hero-tags span { font-size: 0.75rem; padding: 4px 10px; }
  .hero-trust { flex-wrap: wrap; justify-content: center; }
  .hero-trust-divider { display: none; }
  .footer-links { grid-template-columns: 1fr; }
  .trust-numbers { grid-template-columns: repeat(2, 1fr); }
  .cost-comparison { padding: 20px; }
  .why-cheap { padding: 20px; }
}