/* ============================================================
   終活・相続サポートセンター — style.css
   ブランドカスタマイズ変数は :root の --brand-* を変更するだけ
   ============================================================ */

/* ---------- 1. カスタマイズ変数（ロゴ・色の流用元） ---------- */
:root {
  /* === ブランドカラー（葬儀社・不動産会社向けに上書き可） === */
  --brand-bg:          #f7faf7;
  --brand-main:        #6abf69;
  --brand-main-dark:   #57a657;
  --brand-sub:         #d7f5cb;
  --brand-btn:         #4caf50;
  --brand-btn-hover:   #388e3c;
  --brand-accent:      #2e7d32;
  --brand-footer-bg:   #6abf69;
  --brand-footer-text: #ffffff;

  /* === テキストカラー === */
  --text-primary:   #333333;
  --text-secondary: #555555;
  --text-muted:     #777777;

  /* === UIトークン === */
  --white:          #ffffff;
  --card-shadow:    0 4px 16px rgba(0, 0, 0, 0.09);
  --card-shadow-hv: 0 8px 28px rgba(0, 0, 0, 0.14);
  --radius-card:    16px;
  --radius-btn:     50px;
  --transition:     0.22s ease;

  /* === タイポグラフィ（日本語対応） === */
  --font-body: "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Noto Sans JP",
               "Yu Gothic", "Meiryo", sans-serif;
  --font-size-base: 18px;   /* 高齢者向けに大きめ */
  --line-height:    1.8;
}

/* ---------- 2. リセット・ベース ---------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: var(--font-size-base);
}

body {
  font-family: var(--font-body);
  background-color: var(--brand-bg);
  color: var(--text-primary);
  line-height: var(--line-height);
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--brand-accent);
  text-decoration: none;
}

a:hover,
a:focus-visible {
  text-decoration: underline;
}

/* フォーカスリング（アクセシビリティ） */
:focus-visible {
  outline: 3px solid var(--brand-main);
  outline-offset: 3px;
}

/* ---------- 3. レイアウト共通 ---------- */
.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------- 4. ヘッダー ---------- */
.site-header {
  background: var(--white);
  border-bottom: 3px solid var(--brand-main);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.header-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 14px 20px;
}

.header-logo {
  display: flex;
  align-items: center;
  gap: 16px;
}

.logo-img {
  height: 56px;
  width: auto;
  object-fit: contain;
  flex-shrink: 0;
}

.site-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--brand-accent);
  letter-spacing: 0.03em;
  line-height: 1.3;
}

.site-subtitle {
  font-size: 0.78rem;
  color: var(--text-secondary);
  margin-top: 2px;
  letter-spacing: 0.02em;
}

/* ---------- 5. ヒーロー ---------- */
.hero {
  background: linear-gradient(135deg, var(--brand-sub) 0%, var(--brand-bg) 100%);
  padding: 52px 0 44px;
  text-align: center;
  border-bottom: 1px solid #c5e8c0;
}

.hero-lead {
  font-size: 1.22rem;
  font-weight: 600;
  color: var(--brand-accent);
  line-height: 1.7;
  margin-bottom: 24px;
}

.hero-badges {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
}

.badge {
  background: var(--white);
  color: var(--brand-accent);
  border: 1.5px solid var(--brand-main);
  border-radius: 50px;
  padding: 6px 18px;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

/* ---------- 6. セクション共通 ---------- */
.section-title {
  text-align: center;
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--brand-accent);
  margin-bottom: 8px;
  position: relative;
  padding-bottom: 14px;
}

.section-title::after {
  content: "";
  display: block;
  width: 52px;
  height: 3px;
  background: var(--brand-main);
  border-radius: 2px;
  margin: 12px auto 0;
}

.section-desc {
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 36px;
}

/* ---------- 7. メインコンテンツ（サービスカード） ---------- */
.main-content {
  padding: 60px 0 64px;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

/* カード */
.card {
  background: var(--white);
  border-radius: var(--radius-card);
  box-shadow: var(--card-shadow);
  padding: 36px 24px 28px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  transition: transform var(--transition), box-shadow var(--transition);
  border: 1.5px solid transparent;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--card-shadow-hv);
  border-color: var(--brand-sub);
}

.card-accent {
  border-color: var(--brand-main);
  background: linear-gradient(160deg, var(--white) 60%, var(--brand-sub));
}

.card-icon {
  font-size: 2.6rem;
  line-height: 1;
}

.card-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--brand-accent);
  line-height: 1.4;
}

.card-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.75;
  flex-grow: 1;
}

.coming-soon-note {
  font-size: 0.72rem;
  color: var(--text-muted);
}

/* ---------- 8. ボタン ---------- */
.btn {
  display: inline-block;
  padding: 13px 30px;
  border-radius: var(--radius-btn);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  text-align: center;
  border: none;
  line-height: 1;
}

.btn-primary {
  background: var(--brand-btn);
  color: var(--white);
  box-shadow: 0 3px 10px rgba(76, 175, 80, 0.35);
  min-width: 130px;
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: var(--brand-btn-hover);
  transform: translateY(-2px);
  box-shadow: 0 5px 16px rgba(76, 175, 80, 0.45);
  text-decoration: none;
  color: var(--white);
}

.btn-accent {
  background: var(--brand-accent);
  color: var(--white);
  box-shadow: 0 3px 10px rgba(46, 125, 50, 0.35);
  min-width: 130px;
}

.btn-accent:hover,
.btn-accent:focus-visible {
  background: #1b5e20;
  transform: translateY(-2px);
  box-shadow: 0 5px 16px rgba(46, 125, 50, 0.45);
  text-decoration: none;
  color: var(--white);
}

/* ---------- 9. 運営団体セクション ---------- */
.about-section {
  background: var(--white);
  padding: 60px 0;
  border-top: 1px solid #ddeedd;
  border-bottom: 1px solid #ddeedd;
}

.about-card {
  display: flex;
  align-items: flex-start;
  gap: 36px;
  background: var(--brand-bg);
  border-radius: var(--radius-card);
  padding: 36px 40px;
  box-shadow: var(--card-shadow);
  margin-top: 16px;
}

.about-logo-wrap {
  flex-shrink: 0;
}

.about-logo-placeholder {
  width: 140px;
  height: 100px;
  background: var(--brand-sub);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--brand-accent);
  line-height: 1.5;
  border: 2px dashed var(--brand-main);
}

.about-org-name {
  font-size: 1.12rem;
  font-weight: 700;
  color: var(--brand-accent);
  margin-bottom: 10px;
}

.about-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 18px;
  line-height: 1.8;
}

.about-contacts {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.about-contacts li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 0.9rem;
}

.contact-label {
  color: var(--text-muted);
  font-size: 0.82rem;
  min-width: 100px;
  flex-shrink: 0;
}

.contact-value {
  color: var(--text-primary);
  font-weight: 500;
}

.text-link {
  color: var(--brand-main-dark);
  text-decoration: underline;
}

/* ---------- 10. LINEセクション ---------- */
.line-section {
  padding: 60px 0;
  background: var(--brand-bg);
}

.line-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  max-width: 600px;
  margin: 0 auto;
}

.line-card {
  background: var(--white);
  border-radius: var(--radius-card);
  box-shadow: var(--card-shadow);
  padding: 28px 24px 22px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  border: 1.5px solid #e0f2e0;
  transition: transform var(--transition), box-shadow var(--transition);
}

.line-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--card-shadow-hv);
}

.line-card-header {
  display: flex;
  align-items: center;
  gap: 10px;
}

.line-icon {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.line-card-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--brand-accent);
  text-align: left;
  line-height: 1.4;
}

.qr-wrap {
  width: 140px;
  height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.qr-img {
  width: 140px;
  height: 140px;
  object-fit: contain;
  border-radius: 8px;
  border: 1px solid #e0e0e0;
}

.qr-placeholder {
  width: 140px;
  height: 140px;
  background: var(--brand-sub);
  border-radius: 8px;
  border: 2px dashed var(--brand-main);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  color: var(--brand-accent);
  font-weight: 600;
  text-align: center;
  line-height: 1.5;
}

.line-note {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* ---------- 11. 免責事項 ---------- */
.disclaimer-section {
  padding: 44px 0 52px;
  background: #f0f6f0;
  border-top: 1px solid #d0e8d0;
}

.btn-disclaimer {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 auto;
  background: var(--white);
  border: 2px solid var(--brand-main);
  border-radius: var(--radius-btn);
  padding: 14px 32px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--brand-accent);
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
  font-family: var(--font-body);
}

.btn-disclaimer:hover,
.btn-disclaimer:focus-visible {
  background: var(--brand-main);
  color: var(--white);
}

.disclaimer-arrow {
  display: inline-block;
  transition: transform var(--transition);
  font-size: 0.85rem;
}

.disclaimer-arrow.open {
  transform: rotate(180deg);
}

.disclaimer-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.45s ease, opacity 0.35s ease, margin-top 0.3s ease;
  opacity: 0;
}

.disclaimer-content.is-open {
  max-height: 3000px;
  opacity: 1;
  margin-top: 24px;
}

.disclaimer-inner {
  background: var(--white);
  border-radius: 12px;
  border: 1px solid #d5ebd5;
  padding: 36px 40px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.9;
}

.disclaimer-inner h3 {
  font-size: 1.05rem;
  color: var(--brand-accent);
  margin-bottom: 14px;
  font-weight: 700;
}

.disclaimer-inner h4 {
  font-size: 0.92rem;
  color: var(--text-primary);
  font-weight: 700;
  margin-top: 22px;
  margin-bottom: 8px;
  border-left: 3px solid var(--brand-main);
  padding-left: 10px;
}

.disclaimer-inner p {
  margin-bottom: 10px;
}

.disclaimer-inner ol {
  padding-left: 22px;
}

.disclaimer-inner ol li {
  margin-bottom: 6px;
}

.disclaimer-appendix {
  margin-top: 22px;
  font-size: 0.82rem;
  color: var(--text-muted);
  white-space: pre-line;
}

/* ---------- 12. フッター ---------- */
.site-footer {
  background: var(--brand-footer-bg);
  color: var(--brand-footer-text);
  padding: 22px 0;
  text-align: center;
}

.footer-copy {
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  opacity: 0.92;
}

/* ---------- 13. レスポンシブ ---------- */

/* タブレット（768px以下） */
@media (max-width: 900px) {
  .cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* スマートフォン（600px以下） */
@media (max-width: 600px) {
  html {
    font-size: 16px;
  }

  .site-title {
    font-size: 1.08rem;
  }

  .site-subtitle {
    font-size: 0.72rem;
  }

  .logo-img {
    height: 40px;
  }

  .hero {
    padding: 36px 0 30px;
  }

  .hero-lead {
    font-size: 1rem;
  }

  .badge {
    font-size: 0.76rem;
    padding: 5px 14px;
  }

  .main-content {
    padding: 44px 0 48px;
  }

  .cards-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .card {
    padding: 28px 22px 22px;
  }

  .about-card {
    flex-direction: column;
    padding: 24px 20px;
    gap: 20px;
  }

  .about-logo-placeholder {
    width: 100%;
    height: 72px;
  }

  .line-grid {
    grid-template-columns: 1fr;
    max-width: 320px;
  }

  .disclaimer-inner {
    padding: 22px 18px;
  }

  .section-title {
    font-size: 1.2rem;
  }

  .about-contacts li {
    flex-direction: column;
    gap: 2px;
  }

  .contact-label {
    min-width: auto;
  }
}

/* 超小型画面 */
@media (max-width: 360px) {
  .container {
    padding: 0 14px;
  }

  .btn {
    padding: 12px 22px;
    font-size: 0.95rem;
  }
}

/* ---------- 14. アクセシビリティ：モーション低減 ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition: none !important;
    animation: none !important;
  }
  html {
    scroll-behavior: auto;
  }
}