/* ------------------ コンテンツ表示 (共通) ------------------- */
.tab_accordion__hidden {
  display: none;
}

/* ------------------ タブ表示 (PC用) ------------------- */
.tab_accordion__tab.active {
  background-color: #526BCE;
}
.tab_accordion__tabs {
  display: flex;
  justify-content: space-around;
  display: none; /* 初期状態で非表示 */
  gap: 6px;
}
.tab_accordion__tab {
  flex: 1 1 0;
  padding: 8px;
  cursor: pointer;
  font-size: 18px;
  font-weight: bold;
  color: #FFFFFF;
  background-color: #A3A3A3;
}
.tab_accordion__tab:hover {
  background-color: #c6cdec;
}
.tab_accordion__contents {
  padding: 30px 15px 50px;
  background-color: #FFFFFF;
  border: solid 1px #526BCE;
}

/* PC用コンテンツの表示制御 */
.tab_accordion__contents .tab_accordion__content {
  display: none;
}
.tab_accordion__contents .tab_accordion__content.active {
  display: block;
}

/* -------------- アコーディオン表示 (SP用) -------------- */
.tab_accordion__accordion {
  display: none; /* 初期状態で非表示 */
}
.tab_accordion__accordionitem {
  font-size: 16px;
}
.tab_accordion__accordionheader {
  width: 100%;
  text-align: left;
  padding: 1em;
  margin: 5px 0;
  font-size: 16px;
  font-weight: bold;
  cursor: pointer;
  color: #FFFFFF;
  background-color: #A3A3A3;
  position: relative;
}
.tab_accordion__accordionheader[aria-expanded="true"] {
  background-color: #526BCE;
  margin: 5px 0 0 0;
}

/* + ボタン、 - ボタン */
.tab_accordion__accordionheader::before,
.tab_accordion__accordionheader::after {
  content: "";
  position: absolute;
  right: 1.25em;
  top: 1.25em;
  width: 2px;
  height: 0.75em;
  background-color: #FFFFFF;
  transition: all 0.3s;
}
.tab_accordion__accordionheader::before {
  transform: rotate(90deg);
}
.tab_accordion__accordionheader[aria-expanded="true"]::after {
  background: none;
}

/* 画面サイズで表示切り替え */
@media (min-width: 769px) {
  .tab_accordion__tabs {
    display: flex;
  }
  .tab_accordion__tabcontents {
    display: block;
  }
  .tab_accordion__content {
    width: 800px;
  }
}

@media (max-width: 768px) {
  .tab_accordion__accordion {
    display: block;
  }
  .tab_accordion__contents {
    display: none;
  }
  .tab_accordion__accordion .tab_accordion__content {
    padding: 10px 10px 30px 10px;
    background-color: #FFFFFF;
    border: solid 1px #526BCE;
  }

}