/* =============================================
   共通スタイル - 公共機関レベルの清潔感
   ============================================= */

/* ===== リセット ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Hiragino Kaku Gothic ProN', 'Noto Sans JP', 'Meiryo', sans-serif;
  font-size: 1rem;
  line-height: 1.9;
  color: #1a1a1a;
  background: #fff;
  -webkit-text-size-adjust: 100%;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button {
  cursor: pointer;
  font-family: inherit;
}

ul, ol {
  list-style: none;
}

/* ===== スキップリンク（アクセシビリティ） ===== */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--primary, #1a3a6b);
  color: #fff;
  padding: 10px 20px;
  z-index: 9999;
  font-size: 0.9rem;
  font-weight: 700;
  border-radius: 0 0 6px 0;
}
.skip-link:focus {
  left: 0;
}

/* ===== レイアウト ===== */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

.container-narrow {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== ヘッダー ===== */
.site-header {
  background: #fff;
  border-bottom: 2px solid var(--primary, #1a3a6b);
  position: sticky;
  top: 0;
  z-index: 200;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  max-width: 1100px;
  margin: 0 auto;
  min-height: 64px;
  gap: 16px;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}

.logo-icon {
  font-size: 1.6rem;
  line-height: 1;
  flex-shrink: 0;
}

.logo-text {
  font-size: 1rem;
  font-weight: 700;
  color: var(--primary, #1a3a6b);
  line-height: 1.3;
  display: block;
}

.logo-sub {
  font-size: 0.7rem;
  color: #5a6a7a;
  font-weight: 400;
  display: block;
  margin-top: 1px;
}

/* ===== ナビゲーション ===== */
.main-nav {
  display: flex;
  align-items: center;
}

.main-nav ul {
  display: flex;
  align-items: center;
  gap: 2px;
  list-style: none;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 8px 10px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: #2d3748;
  border-radius: 4px;
  transition: background 0.15s, color 0.15s;
  white-space: nowrap;
  text-decoration: none;
}

.nav-link i {
  font-size: 0.75rem;
}

.nav-link:hover,
.nav-link.active {
  background: var(--accent-light, #ebf5fb);
  color: var(--accent, #2980b9);
}

/* ドロップダウン */
.nav-dropdown {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  background: #fff;
  border: 1px solid #d1d9e0;
  border-radius: 6px;
  min-width: 160px;
  box-shadow: 0 6px 20px rgba(0,0,0,0.12);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: all 0.15s;
  z-index: 300;
  list-style: none;
}

.nav-item:hover .nav-dropdown,
.nav-item.open .nav-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav-dropdown li a {
  display: block;
  padding: 10px 16px;
  font-size: 0.8125rem;
  color: #2d3748;
  transition: background 0.15s;
  white-space: nowrap;
}

.nav-dropdown li a:hover {
  background: var(--accent-light, #ebf5fb);
  color: var(--accent, #2980b9);
}

.nav-dropdown li:not(:last-child) a {
  border-bottom: 1px solid #f0f0f0;
}

/* ハンバーガー */
.hamburger {
  display: none;
  background: none;
  border: 1px solid #d1d9e0;
  border-radius: 4px;
  font-size: 1.2rem;
  color: #2d3748;
  padding: 7px 10px;
  line-height: 1;
  flex-shrink: 0;
}

/* ===== モバイルナビ ===== */
@media (max-width: 840px) {
  .hamburger {
    display: flex;
    align-items: center;
  }

  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    border-top: 1px solid #e2e8f0;
    border-bottom: 2px solid var(--primary, #1a3a6b);
    padding: 8px 0 16px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.12);
    z-index: 201;
  }

  .main-nav.open {
    display: block;
  }

  .main-nav ul {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .nav-item {
    width: 100%;
  }

  .nav-link {
    padding: 13px 24px;
    border-radius: 0;
    font-size: 0.9375rem;
    border-bottom: 1px solid #f0f4f8;
  }

  .nav-link i {
    font-size: 0.875rem;
    width: 18px;
  }

  .nav-dropdown {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    border-radius: 0;
    background: #f8fafb;
    min-width: unset;
    display: none;
  }

  .nav-item.open .nav-dropdown {
    display: block;
  }

  .nav-dropdown li a {
    padding: 11px 24px 11px 44px;
    font-size: 0.875rem;
    border-bottom: 1px solid #eff2f5;
  }

  .nav-dropdown li a:before {
    content: "- ";
    color: #aaa;
  }

  .header-inner {
    position: relative;
    padding: 0 16px;
    flex-wrap: nowrap;
  }
}

/* ===== ヒーローセクション ===== */
.hero {
  background: linear-gradient(150deg, var(--primary, #1a3a6b) 0%, var(--primary-light, #2d5a9b) 100%);
  color: #fff;
  padding: 72px 24px;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.4);
  color: #fff;
  font-size: 0.8125rem;
  font-weight: 700;
  padding: 5px 14px;
  border-radius: 20px;
  margin-bottom: 20px;
}

.hero-title {
  font-size: clamp(1.6rem, 4.5vw, 2.6rem);
  font-weight: 800;
  line-height: 1.45;
  margin-bottom: 18px;
}

.hero-desc {
  font-size: clamp(0.9375rem, 2vw, 1.0625rem);
  opacity: 0.93;
  line-height: 1.85;
  max-width: 580px;
  margin: 0 auto 32px;
}

.hero-btns {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ===== ボタン ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 22px;
  border-radius: 6px;
  font-size: 0.9375rem;
  font-weight: 700;
  border: 2px solid transparent;
  transition: background 0.15s, color 0.15s, border-color 0.15s, box-shadow 0.15s;
  cursor: pointer;
  text-decoration: none;
  line-height: 1.4;
}

.btn-primary {
  background: var(--accent, #2980b9);
  color: #fff;
  border-color: var(--accent, #2980b9);
}
.btn-primary:hover {
  background: var(--accent-dark, #1f6391);
  border-color: var(--accent-dark, #1f6391);
}

.btn-secondary {
  background: #fff;
  color: var(--primary, #1a3a6b);
  border-color: #fff;
}
.btn-secondary:hover {
  background: transparent;
  color: #fff;
}

.btn-outline {
  background: transparent;
  color: var(--accent, #2980b9);
  border-color: var(--accent, #2980b9);
}
.btn-outline:hover {
  background: var(--accent, #2980b9);
  color: #fff;
}

.btn-danger {
  background: #c0392b;
  color: #fff;
  border-color: #c0392b;
}
.btn-danger:hover {
  background: #a93226;
  border-color: #a93226;
}

.btn-sm {
  padding: 7px 14px;
  font-size: 0.8125rem;
}

.btn-lg {
  padding: 13px 28px;
  font-size: 1rem;
}

.btn-block {
  width: 100%;
  justify-content: center;
}

/* ===== セクション ===== */
.section {
  padding: 60px 0;
}

.section-alt {
  background: #f7f9fb;
}

.section-title {
  font-size: clamp(1.2rem, 2.5vw, 1.6rem);
  font-weight: 800;
  color: var(--primary, #1a3a6b);
  text-align: center;
  margin-bottom: 10px;
  line-height: 1.4;
}

.section-subtitle {
  text-align: center;
  color: #5a6a7a;
  margin-bottom: 36px;
  font-size: 0.9375rem;
  line-height: 1.7;
}

.section-title-line {
  width: 44px;
  height: 3px;
  background: var(--accent, #2980b9);
  border-radius: 2px;
  margin: 0 auto 36px;
}

/* ===== カード ===== */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

.card {
  background: #fff;
  border: 1px solid #d8e3ec;
  border-radius: 8px;
  overflow: hidden;
}

.card-header {
  padding: 20px 20px 0;
}

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  margin-bottom: 12px;
  background: var(--accent-light, #ebf5fb);
  color: var(--accent, #2980b9);
}

.card-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--primary, #1a3a6b);
  margin-bottom: 8px;
  line-height: 1.4;
}

.card-body {
  padding: 16px 20px 22px;
}

.card-text {
  font-size: 0.9rem;
  color: #3d4a5a;
  line-height: 1.8;
}

/* ===== ページヘッダー ===== */
.page-header {
  background: linear-gradient(150deg, var(--primary, #1a3a6b), var(--primary-light, #2d5a9b));
  color: #fff;
  padding: 44px 24px;
}

.page-title {
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 800;
  line-height: 1.4;
}

.page-desc {
  font-size: 0.9375rem;
  opacity: 0.9;
  margin-top: 8px;
  line-height: 1.7;
}

.breadcrumb {
  font-size: 0.8125rem;
  opacity: 0.82;
  margin-bottom: 10px;
  line-height: 1.6;
}

.breadcrumb a {
  opacity: 0.9;
  text-decoration: underline;
}

.breadcrumb span {
  margin: 0 5px;
}

/* ===== お知らせ ===== */
.news-list {
  display: grid;
  gap: 14px;
}

.news-item {
  background: #fff;
  border: 1px solid #d8e3ec;
  border-left: 4px solid var(--accent, #2980b9);
  border-radius: 0 6px 6px 0;
  padding: 18px 22px;
}

.news-date {
  font-size: 0.8125rem;
  color: #5a6a7a;
  font-weight: 600;
  display: block;
  margin-bottom: 4px;
}

.news-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--primary, #1a3a6b);
  margin: 4px 0 6px;
  line-height: 1.5;
}

.news-content {
  font-size: 0.9rem;
  color: #3d4a5a;
  line-height: 1.8;
}

.news-badge {
  display: inline-block;
  background: #c0392b;
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 3px;
  margin-left: 8px;
  vertical-align: middle;
}

/* ===== フォーム ===== */
.form-group {
  margin-bottom: 22px;
}

.form-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 700;
  color: #1a1a1a;
  margin-bottom: 6px;
  line-height: 1.5;
}

.form-label .required {
  color: #c0392b;
  margin-left: 4px;
  font-size: 0.75rem;
  font-weight: 700;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid #b8c5d0;
  border-radius: 5px;
  font-size: 1rem;
  font-family: inherit;
  line-height: 1.6;
  transition: border-color 0.15s, box-shadow 0.15s;
  background: #fff;
  color: #1a1a1a;
  -webkit-appearance: none;
  appearance: none;
}

.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath fill='%236b7280' d='M4 6l4 4 4-4'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 16px;
  padding-right: 36px;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--accent, #2980b9);
  box-shadow: 0 0 0 3px rgba(41, 128, 185, 0.15);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

/* ===== アラート ===== */
.alert {
  padding: 14px 18px;
  border-radius: 5px;
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 0.9rem;
  margin-bottom: 22px;
  line-height: 1.75;
}

.alert i {
  flex-shrink: 0;
  margin-top: 2px;
  font-size: 1rem;
}

.alert-info {
  background: #eaf4fb;
  border-left: 4px solid #2980b9;
  color: #1a3a6b;
}

.alert-warning {
  background: #fef9e7;
  border-left: 4px solid #d97706;
  color: #7d4e00;
}

.alert-success {
  background: #edfaf1;
  border-left: 4px solid #27ae60;
  color: #1a5e34;
}

.alert-danger {
  background: #fdf2f2;
  border-left: 4px solid #c0392b;
  color: #7b1f1f;
}

/* ===== テーブル ===== */
.info-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
}

.info-table th,
.info-table td {
  padding: 12px 16px;
  border-bottom: 1px solid #d8e3ec;
  text-align: left;
  vertical-align: top;
  line-height: 1.75;
}

.info-table th {
  width: 30%;
  color: var(--primary, #1a3a6b);
  font-weight: 700;
  background: #f4f7fa;
  white-space: nowrap;
}

.info-table tr:last-child th,
.info-table tr:last-child td {
  border-bottom: none;
}

@media (max-width: 480px) {
  .info-table th,
  .info-table td {
    display: block;
    width: 100%;
  }
  .info-table th {
    padding-bottom: 4px;
    border-bottom: none;
  }
  .info-table td {
    padding-top: 4px;
  }
}

/* ===== タイムライン ===== */
.timeline {
  position: relative;
  padding-left: 40px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 13px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: #d0dce8;
}

.timeline-item {
  position: relative;
  margin-bottom: 30px;
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-marker {
  position: absolute;
  left: -40px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--accent, #2980b9);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.timeline-content h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--primary, #1a3a6b);
  margin-bottom: 5px;
  line-height: 1.4;
}

.timeline-content p {
  font-size: 0.9rem;
  color: #3d4a5a;
  line-height: 1.8;
}

/* ===== 統計 ===== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 20px;
}

.stat-card {
  text-align: center;
  padding: 28px 16px;
  background: #fff;
  border-radius: 8px;
  border: 1px solid #d8e3ec;
}

.stat-number {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--accent, #2980b9);
  line-height: 1;
}

.stat-label {
  font-size: 0.875rem;
  color: #5a6a7a;
  margin-top: 8px;
  line-height: 1.5;
}

/* ===== フッター ===== */
.site-footer {
  background: var(--primary, #1a3a6b);
  color: #d0dce8;
  padding: 52px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 32px;
  margin-bottom: 40px;
}

.footer-title {
  font-size: 0.8125rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 14px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(255,255,255,0.15);
}

.footer-links li {
  margin-bottom: 7px;
}

.footer-links a {
  font-size: 0.875rem;
  color: #a8bccf;
  transition: color 0.15s;
  line-height: 1.5;
}

.footer-links a:hover {
  color: #fff;
}

.footer-text {
  font-size: 0.875rem;
  color: #a8bccf;
  line-height: 1.8;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.12);
  padding-top: 18px;
  text-align: center;
  font-size: 0.8125rem;
  color: #7a90a4;
}

.partner-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 5px;
  padding: 9px 14px;
  font-size: 0.875rem;
  color: #d0dce8;
  transition: background 0.15s;
  text-decoration: none;
}

.partner-link:hover {
  background: rgba(255,255,255,0.18);
  color: #fff;
}

/* ===== 緊急ボタン ===== */
.emergency-btn {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 1000;
  background: #c0392b;
  color: #fff;
  border: none;
  border-radius: 50px;
  padding: 11px 20px;
  font-size: 0.9rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 3px 12px rgba(192,57,43,0.5);
  transition: transform 0.15s, box-shadow 0.15s;
  text-decoration: none;
}

.emergency-btn:hover {
  transform: scale(1.04);
  box-shadow: 0 5px 18px rgba(192,57,43,0.6);
}

/* ===== ページトップ ===== */
.scroll-top {
  position: fixed;
  bottom: 72px;
  right: 20px;
  z-index: 999;
  background: #4a6fa5;
  color: #fff;
  border: none;
  border-radius: 50%;
  width: 42px;
  height: 42px;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(0,0,0,0.2);
  opacity: 0;
  transition: opacity 0.2s;
  cursor: pointer;
}

.scroll-top.visible {
  opacity: 1;
}

/* ===== 管理画面 ===== */
.admin-header {
  background: #1a202c;
  color: #fff;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.admin-title {
  font-size: 1rem;
  font-weight: 700;
}

.admin-container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 28px 20px;
}

.admin-card {
  background: #fff;
  border-radius: 8px;
  border: 1px solid #d8e3ec;
  padding: 24px;
  margin-bottom: 22px;
}

.admin-card h2 {
  font-size: 1.05rem;
  font-weight: 700;
  color: #1a202c;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid #e2e8f0;
}

.status-badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 3px;
  font-size: 0.75rem;
  font-weight: 700;
}

.status-new { background: #fed7d7; color: #c53030; }
.status-in_progress { background: #fefcbf; color: #975a16; }
.status-done { background: #c6f6d5; color: #276749; }

/* ===== アクティビティカード ===== */
.activity-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
}

.activity-card {
  background: #fff;
  border-radius: 8px;
  border: 1px solid #d8e3ec;
  padding: 22px;
}

.activity-icon {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  margin-bottom: 12px;
}

.activity-title {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--primary, #1a3a6b);
  margin-bottom: 8px;
  line-height: 1.4;
}

.activity-desc {
  font-size: 0.875rem;
  color: #3d4a5a;
  line-height: 1.8;
}

/* ===== CTA ===== */
.cta-box {
  background: linear-gradient(150deg, var(--primary, #1a3a6b), var(--primary-light, #2d5a9b));
  color: #fff;
  border-radius: 10px;
  padding: 44px 36px;
  text-align: center;
}

.cta-box h2 {
  font-size: clamp(1.2rem, 2.5vw, 1.5rem);
  font-weight: 800;
  margin-bottom: 12px;
  line-height: 1.4;
}

.cta-box p {
  opacity: 0.9;
  margin-bottom: 28px;
  font-size: 0.9375rem;
  line-height: 1.8;
}

/* ===== メッセージ・受付番号 ===== */
.msg-box {
  text-align: center;
  padding: 52px 20px;
}

.msg-box .icon {
  font-size: 2.8rem;
  margin-bottom: 16px;
}

.msg-box h2 {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--primary, #1a3a6b);
  margin-bottom: 12px;
  line-height: 1.4;
}

.msg-box p {
  color: #3d4a5a;
  line-height: 1.8;
}

.receipt-box {
  background: #edfaf1;
  border: 2px solid #27ae60;
  border-radius: 8px;
  padding: 24px;
  text-align: center;
  margin-bottom: 24px;
}

.receipt-number {
  font-size: 1.7rem;
  font-weight: 800;
  color: #1a5e34;
  letter-spacing: 0.1em;
}

/* ===== 汎用ユーティリティ ===== */
.lead-text {
  font-size: 1rem;
  color: #3d4a5a;
  line-height: 1.9;
  margin-bottom: 22px;
}

.feature-list {
  list-style: none;
  padding: 0;
}

.feature-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  margin-bottom: 14px;
  font-size: 0.9375rem;
  color: #3d4a5a;
  line-height: 1.75;
}

.feature-list li i {
  color: var(--accent, #2980b9);
  margin-top: 3px;
  flex-shrink: 0;
  font-size: 0.9rem;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
}

/* ===== レスポンシブ ===== */
@media (max-width: 768px) {
  .section {
    padding: 44px 0;
  }

  .hero {
    padding: 52px 16px;
  }

  .page-header {
    padding: 36px 16px;
  }

  .cta-box {
    padding: 36px 20px;
  }

  .card-grid {
    grid-template-columns: 1fr;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }

  .emergency-btn {
    bottom: 14px;
    right: 14px;
    padding: 10px 16px;
    font-size: 0.85rem;
  }

  .scroll-top {
    bottom: 66px;
    right: 14px;
  }

  .container,
  .container-narrow {
    padding: 0 16px;
  }
}

@media (max-width: 480px) {
  html {
    font-size: 15px;
  }

  .hero-btns {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }

  .hero-btns .btn {
    justify-content: center;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .activity-grid {
    grid-template-columns: 1fr;
  }

  .cta-box {
    padding: 28px 16px;
  }
}

/* ===== アニメーション ===== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

.fade-in   { animation: fadeInUp 0.45s ease forwards; }
.fade-in-d1 { animation: fadeInUp 0.45s 0.1s ease both; }
.fade-in-d2 { animation: fadeInUp 0.45s 0.2s ease both; }
.fade-in-d3 { animation: fadeInUp 0.45s 0.3s ease both; }

/* ===== 2列レイアウト ===== */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}
@media (max-width: 640px) {
  .two-col {
    grid-template-columns: 1fr;
  }
}