.notice {
  padding-top: 36px;
}

.notice__heading {
  margin-left: 53.5px;
  position: relative;
  background: #C86EBE;
  border: 2px solid #000000;
  padding: 16px 52px 16px 73px;
}

.notice__heading > img {
  height: 30px;
  width: auto;
}

.notice__heading::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 66px;
  height: 100%;
  background-image: url(/yukimaji19/pc/assets/img/common/icon_plus.png);
  background-color: #000000;
  background-repeat: no-repeat;
  background-position: center;
  background-size: 25px auto;
}

.notice__heading::after {
  content: "";
  position: absolute;
  background: url(/yukimaji19/pc/assets/img/common/h3_bg_stripe.png);
  width: 100%;
  height: 100%;
  left: 12px;
  bottom: -10px;
  background-repeat: repeat;
  background-size: 6px;
  z-index: -1;
}

.notice__number {
  position: absolute;
  width: 107px;
  height: 107px;
  top: -20px;
  left: -53.5px;
  z-index: 1;
}

.notice__contents {
  padding: 12px 78px 0 68px;
  height: 0;
  -webkit-transition: height 300ms;
  transition: height 300ms;
  overflow: hidden;
}

.notice__item + .notice__item {
  margin-top: 72px;
}

.notice__item.is-open .notice__heading::before {
  background-image: url(/yukimaji19/pc/assets/img/common/icon_minus.png);
}

.notice__sub-heading {
  font-size: 26px;
  text-align: center;
  font-weight: bold;
  padding-top: 16px;
  margin-bottom: -10px;
}