/* ヘッダー */
.site-header {
  position: fixed;
  top: 0;
  width: 100%;
  background: #000;
  z-index: 1100;
  height: auto;
  min-height: 280px;
}

/* 内側 */
.header-inner {
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
}

/* バナー */
.header-banner img {
  width: 100%;
  max-width: 753px;
  aspect-ratio: 753 / 199;
  object-fit: contain;
  height: auto !important;
  display: block;
  margin: 0 auto;
}

/* Navi */
.main-nav {
  display: flex;
  justify-content: center;
  margin: 10px 0 10px;
}

.main-nav ul {
  display: flex;
  background-color: #111;
  border-radius: 999px;
  padding: 5px;
  list-style: none;
}

.main-nav a {
  display: block;
  padding: 10px 20px;
  color: #fff;
  border-radius: 999px;
  transition: all 0.3s ease;
}

.main-nav a:hover {
  background-color: #24b49c;
}

.main-nav a.active {
  background-color: #fff;
  color: #000;
}

main {
  width: 100%;
  margin: 0;
  padding: 0;
  position: relative;
  z-index: 10;
  margin-top: 260px;
}

main.page-white {
  background-color: #fff;
  color: #000;
  min-height: 80px;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 40px 20px;
}

.date {
  margin-top: 10px;
  margin-bottom: 10px;
}

.date .bi {
  margin-right: 10px;
}

.bi {
  margin-right: 5px;
}

/* footer */
.site-footer {
  background: #111;
  border-top: 1px solid #444;
  text-align: center;
  padding: 20px;
}

/* MAP */
.map-container {
  position: relative;
  width: 100%;
  padding-top: 56.25%;
  /* 16:9 の比率で表示 */
  overflow: hidden;
}

.map-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100% !important;
  height: 100% !important;
}

/* レスポンシブ */
@media (max-width: 768px) {

  .site-header {
    min-height: auto;
  }

  /* バナー高さ調整 */
  .header-banner img {
    height: auto !important;
    width: 100%;
    max-width: 100vw;
  }

  .main-nav {
    margin: 5px 0 10px;
  }

  /* ナビ縦並び */
  .main-nav ul {
    display: flex;
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    -ms-overflow-style: none;
    background-color: transparent;
    border-radius: 0;
    padding: 0 10px;
    gap: 10px;
  }

  .main-nav ul::-webkit-scrollbar {
    display: none;
    width: 0;
    height: 0;
  }

  .main-nav li::-webkit-scrollbar {
    display: none;
  }

  .main-nav a {
    padding: 6px 12px;
    font-size: 12px;
    white-space: nowrap;
    background-color: #222;
    border: 1px solid #444;
  }

  .main-nav a.active {
    background-color: #fff;
    color: #000;
  }

  /* main余白調整 */
  main {
    margin-top: 45vw;
    padding-top: 0;
  }
}