:root {
  --bg: #f9fbf6;          /* ほんのり緑の白 */
  --text: #2f3a2f;        /* 少し柔らかい黒 */

  --accent: #8fbf7a;      /* 萌黄色（メイン） */
  --accent-soft: #eef6ea; /* 薄い背景色 */

  --border: #dbe7d3;      
  --border-soft: #edf4e8;

  --danger: #d9534f;

  --emergency-height: 0px;
  --header-height: 120px;
}

/* ------------------------------------
   基本設定（少しだけ洗練）
------------------------------------ */
    body {
      margin: 0;
      font-family: -apple-system, "Yu Gothic", Meiryo, sans-serif;
      background: var(--bg);
      color: var(--text);
      line-height: 1.75;
      overflow-wrap: break-word;
      -webkit-text-size-adjust: 100%;
    }

    a { color: #4f7a4f; }

    /* ===== 緊急情報 ===== */
    .alert {
      height: 48px;
      display: flex;
      align-items: center;
      background: var(--danger);
      color: #fff;
      margin: 0;
      padding: 10px 16px;
      font-weight: bold;
      font-size: 0.9rem;
    }

/* セクション間の余白（重要） */

/* コンテンツ幅 */
.section-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 16px;
}

/* 見出し余白 */
.section-title {
  font-size: 1.25rem;
  margin-bottom: 18px;
  padding-left: 12px;
  border-left: 4px solid var(--accent);

  line-height: 1.5;
  letter-spacing: 0.04em;

  scroll-margin-top: calc(var(--header-height) + var(--emergency-height));
}

a:focus {
  outline: 3px solid #ffbf47;
  outline-offset: 2px;
}

.skip-link {
  position: absolute;
  top: -40px;
  left: -9999px;
  background: #000;
  color: #fff;
  padding: 8px;
  z-index: 10000;
}

.skip-link:focus {
  top: 0;
}

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

input, textarea {
  width: 100%;
  padding: 8px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 1rem;
}

.important {
  border-bottom: 3px solid var(--danger);
}

.news-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.news-list li {
  border-bottom: 1px solid #ddd;
  padding: 8px 0;
}

.new-mark {
  background: #e60033;
  color: #fff;
  font-size: 0.7em;
  padding: 2px 6px;
  margin-left: 6px;
  border-radius: 4px;
}

/* ------------------------------------
   ヘッダー
------------------------------------ */
header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: #f1f7ed;
  border-bottom: 1px solid #d6e2eb;
  box-shadow: 0 1px 2px rgba(0,0,0,0.05);
}

    .header-inner {
      max-width: 1100px;
      margin: auto;
      padding: 10px 16px;
    }

    .title {
      font-size: 1.2rem;
      font-weight: bold;
    }

.site-header {
  max-width: 1080px;
  margin: 0 auto;

  padding: 8px 16px; /* ←ここが余白改善ポイント */
  text-align: center;

  display: flex;
  flex-direction: column;
  gap: 2px;
}

.site-title {
  margin: 0;
  font-size: 1.35rem;
  font-weight: 600;
  line-height: 1.2;
}

.site-subtitle {
  margin: 0;
  font-size: 0.8rem;
  color: #666;
}

/* 緊急情報バー*/
.emergency-bar {
  height: var(--emergency-height);
  background: #ffefef;
  color: #a40000;
  display: flex;
  align-items: center;
  padding: 0 12px;
  font-size: 0.9rem;
}

/* =========================
   災害モード（JSなし切替）
   ========================= */

/* 通常 */
.mode-normal .alert {
  display: none;
}

/* 災害時 */
.mode-disaster .alert {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 99999;
}

/* 背景を視認性強化 */
.mode-disaster {
  --accent: #b10000;
}

/* ------------------------------------
   ナビゲーション（安定優先）
------------------------------------ */
    nav ul {
      list-style: none;
      padding: 0;
      margin: 10px 0 0;
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 10px;
    }

nav li {
  width: 160px;
}

    nav a {
      display: block;
      padding: 6px 10px;
      border: 1px solid var(--border);
      background: #fafafa;
      text-decoration: none;
      font-size: 0.9rem;
    }

nav a {
  transition: all 0.25s ease;
}

    /* ===== レイアウト ===== */
    section {
      padding: 32px 16px;
    }

    .container {
      max-width: 1100px;
      margin: auto;
    }

    h2 {
      border-left: 4px solid var(--accent);
      padding-left: 10px;
      font-size: 1.2rem;
    }

.news-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

nav a:hover {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: #2f3a2f;
  transform: translateY(-2px);
  box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

nav a:active {
  transform: translateY(0);
  box-shadow: none;
}

a {
  outline: none;
}

nav a:focus {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ------------------------------------
   スマホナビ（重要改善）
------------------------------------ */
@media (max-width: 768px) {
  .hamburger {
    display: block;
  }

  nav ul {
    display: none;
    flex-direction: column;
  }

  nav.nav-open ul {
    display: flex;
  }

  nav ul li {
    width: 100%;
  }
}

/* ------------------------------------
   ファーストビュー
------------------------------------ */
.hero {
  background: linear-gradient(135deg, #f9fbfd, #eef4f9);
  border-bottom: 1px solid var(--border-soft);
}

.hero-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 40px 16px 48px;
}

.hero-copy {
  font-size: 1.7rem;
  font-weight: 500;
  margin-bottom: 12px;
}

.hero-sub {
  max-width: 800px;
}

/* ------------------------------------
   セクション
------------------------------------ */

.nowrap {
  white-space: nowrap;
}

/* ------------------------------------
   白枠（統一感アップ）
------------------------------------ */
.white-box {
  background: #fff;
  border-radius: 10px;

  padding: 22px;     /* ←少し詰める */
  margin-bottom: 20px;

  box-shadow: 0 2px 6px rgba(0,0,0,0.05);
}

.white-box p {
  margin-bottom: 0.8em;
}

/* ------------------------------------
   役割
------------------------------------ */
.roles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.role-box {
  background: #ffffff;
  border-radius: 8px;
  padding: 16px;
}

.role-title {
  font-weight: 600;
  margin-bottom: 8px;
  color: #35556b;
}

/* スマホ */
@media (max-width: 768px) {
  .roles {
    grid-template-columns: 1fr;
  }
}

/* ------------------------------------
   お知らせ
------------------------------------ */
    .news {
      background: #fff;
      border: 1px solid var(--border);
      padding: 16px;
    }

    .news-item {
      border-bottom: 1px solid #eee;
      padding: 8px 0;
    }

.news-date {
  display: inline-block;
  width: 7em;
  color: #777;
}

/* ------------------------------------
   SNS
------------------------------------ */
.sns-links a {
  display: inline-block;
  margin-right: 12px;
  padding: 6px 10px;
  border-radius: 6px;
  background: var(--accent-soft);
}

    /* ===== カード ===== */
    .grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 12px;
    }

    .card {
      background: #fff;
      border: 1px solid var(--border);
      padding: 12px;
    }

/* ------------------------------------
   アクセス（完成版）
------------------------------------ */
    .access {
      background: #fff;
      border: 1px solid var(--border);
      padding: 16px;
    }

    iframe {
      width: 100%;
      height: 300px;
      border: 0;
    }

.access-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.access-table {
  width: 100%;
  border-collapse: collapse;
}

.access-table th {
  text-align: left;
  vertical-align: top;
  padding: 12px;
  width: 110px;
  background: #f5f5f5;
  white-space: nowrap;
}

.access-table td {
  padding: 12px;
  line-height: 1.8;
  letter-spacing: 0.03em;
}

.tel {
  font-weight: bold;
  font-size: 1.1em;
}

.note {
  font-size: 0.9em;
  color: #666;
}

.access-alert {
  margin-top: 20px;
  padding: 14px;
  background: #fff4f4;
  border-left: 5px solid #ff6b6b;
  font-size: 0.95em;
}

/* 地図 */
.map-placeholder iframe {
  width: 100%;
  height: 300px;
  border-radius: 8px;
  border: 1px solid #ddd;
}

/* スマホ */
@media (max-width: 768px) {
  .access-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .access-table th {
    width: 90px;
  }
}

/* ------------------------------------
   フッター
------------------------------------ */
    footer {
      background: #fff;
      border-top: 1px solid var(--border);
      padding: 20px;
      font-size: 0.85rem;
      color: #666;
    }

.footer-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 16px;
}

.footer-copy {
  font-size: 0.8rem;
  color: #999;
}

.official-name {
  background: #f5f7f4;
  font-size: 0.85rem;
  text-align: center;
  padding: 6px 0;
}

/* ------------------------------------
   TOPボタン
------------------------------------ */
#floating-top {
  position: fixed;
  right: 20px;
  bottom: 20px;

  width: 50px;
  height: 50px;

      background: #fff;
  border-radius: 50%;
      border: 1px solid var(--border);

  display: flex;
  align-items: center;
  justify-content: center;

  opacity: 0;
  pointer-events: none;

  transition: 0.3s;
  z-index: 9999;
}

    @media (max-width: 768px) {
      .grid { grid-template-columns: 1fr; }
      nav ul { flex-direction: column; }
    }

#floating-top.show {
  opacity: 1;
  pointer-events: auto;
}

#floating-top:hover {
  transform: translateY(-3px);
}

/* スムーススクロール */
html {
  scroll-behavior: smooth;
  scroll-padding-top: 140px;
}