.header {
  width: 100%;
  height: 100px;
  background-color: #fff;
  color: #4496d3;
  display: flex;
  align-items: end;
  justify-content: space-between;
  flex-wrap: wrap;
  padding: 0;
  position: fixed;
  top: 0;
  transition: 0.5s;
  width: 100%;
  z-index: 1000;
}

.header-top_bar {
  background-color: #fff;
  display: flex;
  width: 100%;
  height: 60px;
  padding: 0 20px;
  justify-content: center;
}

.header-bottom_bar {
  background-color: #e4e8ee;
  display: flex;
  width: 100%;
  height: 40px;
  padding: 0 20px;
  justify-content: center;
  align-items: center;
}

.header.header-hide {
  top: -63px;
}

.header-hero {
  height: 100px;
}

.header-Logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  color: inherit;
  margin: 0;
}

.header-SiteName_Link {
  display: flex;
  align-items: center;
  text-decoration: none;
  color: inherit;
}
.header-SiteName_Link:hover {
  color: #a2c2e6;
}

.header-Menu {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.header-Menu > p {
  margin: 0;
  padding: 0;
  font-size: 20px;
}

.header-Menu_Link {
  display: flex;
  align-items: center;
  text-decoration: none;
  color: inherit;
  margin-left: 40px;
}
.header-Menu_Link:hover {
  color: #a2c2e6;
}

.navbar-toggler {
  border: none !important;
  box-shadow: none !important;
  margin: 0;
  padding: 0.25rem 0.25rem; /* 横paddingを減らす */
  position: relative;
  width: 32px;
  height: 48px;
  z-index: 1100;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

/* === navbarのトグル（横幅が狭い際に表示されるやつ）ー === */
.toggler-bar {
  display: block;
  width: 24px;
  height: 3px;
  margin: 3px 0;
  background: #1c305c;
  border-radius: 2px;
  transition: all 0.3s cubic-bezier(0.4, 2.3, 0.3, 1);
  position: relative;
  border: none; /* 線の太さをborderでなくheightで調整 */
}

/* ドロワーが開いている時（.collapsedが外れる） */
.navbar-toggler:not(.collapsed) .toggler-bar:nth-child(1) {
  transform: translateY(9px) rotate(45deg);
}
.navbar-toggler:not(.collapsed) .toggler-bar:nth-child(2) {
  opacity: 0;
}
.navbar-toggler:not(.collapsed) .toggler-bar:nth-child(3) {
  transform: translateY(-9px) rotate(-45deg);
}

/* === navbarのドロワー（横幅が狭い際に使うやつ）ー === */
/* トグルメニュー展開時・アニメーション中の背景色 */
.navbar-collapse.collapsing,
.navbar-collapse.collapse.show {
  width: 100%;
  position: fixed;
  align-items: center;
  top: 100px;
  /* ヘッダーの高さ分だけ下げる */
  z-index: 1050;
  background: #1c305cf0;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  color: #fff;
}
/* トグルメニューのリンク */
.navbar-collapse.collapsing a,
.navbar-collapse.collapse.show a {
  color: #fff;
  align-items: center;
  text-decoration: none;
  text-align: center;
  padding: 0.5rem 1rem;
  display: block;
  transition: background-color 0.3s ease;
}

.navbar-collapse.collapsing a:hover,
.navbar-collapse.collapse.show a:hover {
  /* background-color: #e1f4ff; */
  color: #a2c2e6;
}

.navbar-nav {
  list-style: none;
  width: 100%;
  display: flex;
  justify-content: center;
}

.navbar-nav > li {
  /* width: 100%; */
  font-size: 0.9rem;
  text-align: center;
  padding: 0rem 2rem;
}

/* 画面幅がlg以上（トグルでなく常時表示）の場合は背景色を消す */
@media (min-width: 992px) {
  .navbar-collapse {
    background: none !important;
    box-shadow: none !important;
    border-radius: 0 !important;
    padding: 0 !important;
  }
}

/* === パン屑リスト === */
.breadcrumb {
  display: flex;
  align-items: center;
  padding: 0.25rem 1rem;
  margin-bottom: 1rem;
  /* background-color: #a2c2e6; */
  border-left: solid 24px #4496d3;
  color: #aaa;
  font-size: 0.75rem;
}

.breadcrumb span {
  margin-inline: 0.25rem;
  color: #1c305c;
}

.breadcrumb a {
  text-decoration: none;
}