html {
  scroll-behavior: smooth;
}


    body {
      background: #f5f5f5;
      font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "Segoe UI", sans-serif;
      padding: 0;
      margin: 0;
      overflow-x: hidden;
    }

/* ===== FV ===== */
.fv {
  position: relative;
  min-height: 520px;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  text-align: left;
  padding: 0;
  background:
    linear-gradient(
      90deg,
      rgba(7, 35, 71, 0.82) 0%,
      rgba(7, 35, 71, 0.72) 35%,
      rgba(7, 35, 71, 0.25) 60%,
      rgba(7, 35, 71, 0.05) 100%
    ),
    url("../img/fv-national-pc.webp") center center / cover no-repeat;
}

/* テキスト部分 */
.fv-inner {
  position: relative;
  z-index: 2;
  max-width: 680px;
  margin-left: max(40px, calc((100vw - 1200px) / 2 + 20px));
  margin-right: 20px;
  color: #fff;
  text-align: left;
  text-shadow: 0 2px 10px rgba(0,0,0,0.25);
}

/* タイトル */
.fv h1 {
  color: #fff;
  font-size: clamp(32px, 4vw, 52px);
  line-height: 1.35;
  font-weight: 800;
  margin: 0 0 18px;
  letter-spacing: 0.02em;
}

/* サブコピー */
.fv-sub {
  color: rgba(255,255,255,0.92);
  font-size: 18px;
  line-height: 1.8;
  margin: 0 0 28px;
}

/* ボタン */
.fv-btn {
  display: inline-block;
  background: #ffffff;
  color: #0077cc;
  padding: 14px 28px;
  border-radius: 999px;
  font-size: 16px;
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 8px 20px rgba(0,0,0,0.12);
  transition: 0.2s;
}

.fv-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(0,0,0,0.16);
}

/* スマホ */
@media (max-width: 768px) {
  .fv {
    min-height: 460px;
    padding: 0 20px;
    justify-content: center;
    text-align: center;
    background:
      linear-gradient(
        180deg,
        rgba(7, 35, 71, 0.78) 0%,
        rgba(7, 35, 71, 0.58) 55%,
        rgba(7, 35, 71, 0.18) 100%
      ),
      url("../img/fv-national-sp.webp") center center / cover no-repeat;
  }

  .fv-inner {
    margin: 0 auto;
    max-width: 100%;
    text-align: center;
  }

  .fv h1 {
    font-size: 28px;
    line-height: 1.45;
  }

  .fv-sub {
    font-size: 15px;
    line-height: 1.7;
    margin-bottom: 22px;
  }

  .fv-btn {
    display: inline-block;
    width: auto;
    padding: 14px 24px;
    font-size: 15px;
  }
}

/* container */
.container {
  max-width: 680px;
  margin: 20px auto;
  padding: 0 16px;
}

/* ===== 共通幅 ===== */
.top-guide {
  background: #fff;
  padding: 16px;
  border-radius: 12px;
}

.area-card {
  background: #fff;
  padding: 16px;
  border-radius: 12px;
}

/* ===== intro ===== */
.top-intro p {
  font-size: 14px;
  line-height: 1.7;
  color: #333;
  margin-left: 16px;
  margin-right: 16px;
  margin-bottom: 10px;
}

/* ===== guide ===== */
.top-guide {
  margin: 0 auto;
  width: calc(100% - 32px);
  
  background: #fff;
  padding: 16px;
  border-radius: 12px;
  box-sizing: border-box;
}

.top-guide h2 {
  font-size: 16px;
  margin-bottom: 10px;
}

.top-guide ul {
  padding-left: 24px;
  margin: 8px 0;
}

.top-guide li {
  font-size: 14px;
  margin-bottom: 6px;
  line-height: 1.6;
}
    /* ===== 全国トップ ===== */
.area-list {
  margin: 0;
  padding: 0;
}

    .area-card {
      background: #fff;
      border-radius: 12px;
      box-shadow: 0 2px 6px rgba(0,0,0,0.12);
      padding: 16px;
      margin: 20px 0;
    }

    .area-toggle {
      width: 100%;
      background: none;
      border: none;
      padding: 0;
      font-size: 18px;
      font-weight: 600;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
    }



    .area-card.open .icon {
      transform: rotate(90deg);
    }

    .area-content {
      display: none;
      margin-top: 12px;
      padding-right: 28px; 
    }

    .area-card.open .area-content {
      display: block;
    }

    /* トップ専用ボタン（全エリア共通） */
.area-top-btn {
  display: block !important;
  width: 100%;
  background: #e8f0fe;
  color: #1967d2;
  padding: 12px 14px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  text-align: center;
  margin-bottom: 12px;
  text-decoration: none;
}

/* --- 追加・書き換え部分 --- */

/* 開いているカード */
.area-card.open {
  background: #f8f9fa;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  border: 1px solid #e8f0fe;
}


/* アイコンの動きをスムーズ */
.icon {
  display: inline-block;
  transition: transform 0.3s ease;
}

    /* 都市チップ */
.area-content a:not(.area-top-btn) {
  display: inline-block;
  background: #f1f3f4;
  padding: 6px 12px;
  margin: 4px 4px 4px 0;
  border-radius: 20px;
  font-size: 14px;
  color: #333;
  text-decoration: none;
  border: 1px solid #dadce0;
  margin: 6px 4px;
  min-width: 40px;
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.area-content a:not(.area-top-btn):hover {
  background: #0077cc;
  color: #fff;
    box-shadow: 0 2px 4px rgba(0,0,0,0.08);
}


.footer-note,
.footer-links,
.footer-about {
  max-width: 680px;
  margin: 20px auto;
  padding: 0 16px;
}

.footer-links ul {
  padding-left: 20px;
}

.footer-links li {
  margin-bottom: 6px;
}

/* ===== フッターセクション共通設定 ===== */
.footer-note,
.footer-links,
.footer-about {
  max-width: 680px;
  width: 90%; 
  margin: 24px auto;
  padding: 20px;
  background: #ffffff;
  border-radius: 14px;
  box-sizing: border-box;
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}
/* ===== 見出し ===== */
.footer-links h2 {
  font-size: 16px;
  margin-bottom: 12px;
  border-left: 4px solid #0077cc;
  padding-left: 10px;
}

/* ===== リンクリスト ===== */
.footer-links ul {
  list-style: none;
  padding: 0;
  margin: 0;
}


/* ===== 人気エリア（横並び） ===== */
.footer-links ul {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  padding: 0;
  margin: 0;
  list-style: none;
}

/* チップボタン */
.footer-links li a {
  display: inline-block;
  background: #f1f3f4;
  padding: 8px 14px;
  border-radius: 20px;
  font-size: 14px;
  color: #333;
  text-decoration: none;
  transition: all 0.2s ease;
  white-space: nowrap;
  min-width: 30px;
  min-height: 30px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* ホバー */
.footer-links li a:hover {
  background: #0077cc;
  color: #fff;
    box-shadow: 0 2px 4px rgba(0,0,0,0.08);
}

/* ===== テキスト ===== */
.footer-note p,
.footer-about p {
  font-size: 14px;
  line-height: 1.7;
  color: #444;
}

    /* ===== フッター ===== */
    footer {
      text-align: center;
      padding: 20px;
      font-size: 12px;
      color: #666;
      background: #fafafa;
      border-top: 1px solid #e5e5e5;
      margin-top: 40px;
    }