@charset "utf-8";

.accordion{
  margin-top: 0;
}

.accordion__container {
max-width:1200px;
  width: 100%;
  margin: 0 auto;
  background-color: #444444;
}

.accordion__title {
  background-color: #444444;
  border: 1px solid transparent;
  color: #fff;
  font-size: 1.25em;
  font-weight:normal;
  padding: .625em .625em .625em 2em;
  position: relative;
  cursor: pointer;
  margin:0;
  user-select: none;
}

.accordion__title::before, .accordion__title::after {
  content: '';
  display: block;
  background-color: #fff;
  position: absolute;
  top: 50%;
  width: 15px;
  height: 2px;
  right: 60px;
}

.accordion__title::after {
  transform: rotate(90deg);
  transition-duration: .3s;
}

.accordion__title:hover,
.accordion__title:active,
.accordion__title.is-active { 
  background-color: #444444;
}

.accordion__title.is-active::before {
  opacity: 0;
}

.accordion__title.is-active::after {
  transform: rotate(0);
}

.accordion__content {
  border-left: 1px solid transparent;
  border-right: 1px solid transparent;
  padding: 0 1.5em;
  line-height: 0;
  height: 0;
  overflow: hidden;
  background-color: #444444;
  color: #fff;
  opacity: 0;
  transition-duration: .3s;
}

.accordion__content.is-open {
  border: 1px solid #444444;
  background-color: #444444;
  color: #fff;
  padding: .625em 2.5em;
  line-height: normal; /* numberに書き換える*/
  height: auto;
  opacity: 1;
}