.accordion_container {
  width: 100%;
  max-width: 672px;
  border-radius: 8px;
  position: relative;
  transition: 0.3s;
  background: rgba(0, 0, 0, 0.06);
  container-type: inline-size;
}

.accordion_container>button.accordion_button {
  padding: 24px 56px 24px 32px;
  width: 100%;
  color: var(--primary);
  font-weight: bold;
  font-size: 16px;
  text-align: left;
  pointer-events: auto;
  display: flex;
  align-items: center;
  transition: 0.3s;
  position: relative;
  border-radius: 6px;
  z-index: 10;
}

.accordion_container>button.accordion_button::after {
  content: "\f105";
  font-family: "FontAwesome";
  position: absolute;
  right: 32px;
  font-size: 30px;
  font-weight: normal;
  transition: 0.3s;
  transform: rotate(90deg);
}

.accordion_container>button.accordion_button.open::after {
  transform: rotate(-90deg);
}

.accordion_container.icon>button.accordion_button {
  gap: 8px;
}

.accordion_container>div {
  width: 100%;
  max-height: 0px;
  overflow: auto;
  transition: max-height 0.7s;
  padding: 0 32px;
  overflow: hidden;
}

@media (hover: hover) {
  .accordion_container>button.accordion_button:hover {
    background: rgba(185, 233, 255, 0.3);
  }

  .accordion_container>button.accordion_button:hover::after {
    margin-top: 4px;
  }

  .accordion_container>button.accordion_button.open:hover::after {
    margin-top: 0;
  }
}

@container (max-width: 500px) {
  .accordion_container {
    border-radius: 4px;
  }

  .accordion_container>button.accordion_button {
    padding: 16px 48px 16px 24px;
  }

  .accordion_container>button.accordion_button::after {
    right: 24px;
  }

  .accordion_container>div {
    padding: 0 16px;
  }
}


/* 注意系
-------------------------------------*/
.accordion_container.attention {
  border: 2px solid var(--secondary-600);
  background: var(--background-red);
}

.accordion_container.attention>button.accordion_button {
  color: var(--secondary-600);
}

.accordion_container.attention>button.accordion_button:hover {
  background: var(--secondary-100);
}

/* 最重要
-------------------------------------*/
.accordion_container.caution {
  border: 2px solid var(--secondary);
  background: var(--background-yellow);
}

.accordion_container.caution>button.accordion_button {
  background: var(--secondary);
  color: var(--white);
}

.accordion_container.caution>button.accordion_button:hover {
  background: var(--secondary-600);
}

/* 動作確認済端末一覧
-------------------------------------*/
.accordion_container.deviceList>div {
  height: 400px;
  overflow: scroll;
}

.accordion_container.deviceList #confirmed_operation_device .device_select_box {
  padding: 16px 0 48px;
}

.accordion_container.deviceList #confirmed_operation_device #smartphoneList {
  background: transparent;
  padding: 0;
  text-align: left;
}

#confirmed_operation_device #smartphoneList h2.brand-title {
  font-size: 20px;
  margin-bottom: 0px;
}

#confirmed_operation_device #smartphoneList .carrier-section {
  padding: 40px;
}