@charset "utf-8";
.p-hero__bg::before{
  content: '';
  background-color: rgba(0,0,0,.4);
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
}
.p-hero__bg-list::before{
  content: '';
  background-color: rgba(0,0,0,.4);
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
}

.p-hero {
  margin-bottom: 150px;
}

.p-link__title {
  margin-bottom: 50px;
  line-height: 1.5;
}

.of-h {
  /* overflow: hidden; */
  margin-bottom: 150px;
}

.main-event {
  max-width: 2000px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 70px;
  overflow: hidden;
}

.main-event li {
  max-width: 50%;
}

.main-event .right {
  float: right;
}

.main-event .left {
  float: left;
}

.rel {
  max-width: 100%;
  position: relative;
}

.abs {
  position: absolute;
}

.left .abs {
  left: 0;
}

.right .abs {
  right: 0;
}

.main-event .abs {
  max-width: 100%;
  z-index: 2;
  transition: all 0.75s;
  top: 0;
}

.main-event .abs:hover {
  top: -60px;
}

.main-event a {
  display: block;
  position: relative;
  overflow: hidden;
}

.main-event a:hover::after {
  background: rgba(0, 0, 0, 0);
}

.main-event a::after {
  display: block;
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  background: rgba(0, 0, 0, 0.6);
  width: 100%;
  height: 100%;
  z-index: 1;
  transition: .15s ease-out;
}

.btn--orange {
  position: absolute;
  top: 75%;
  left: 50%;
  padding: 0 3%;
  color: rgb(23, 23, 23);
  background-color: #ffffff;
  transition: all 0.5s;
  transform: translate(-50%, -50%);
  opacity: 0;
  font-family: Yu Mincho,
    "游明朝",
    YuMincho,
    "游明朝体",
    Hiragino Mincho ProN,
    "HGS明朝E",
    "メイリオ",
    serif;
}

.main-event .abs:hover+.btn--orange {
  opacity: 1;
}

details {
  text-align: center;
}

details[open] ul {
  animation: fadeIn 0.9s ease-in-out;
}

@keyframes fadeIn {
  0% {
    opacity: 0;
    /* Transparent */
    transform: translateY(-100px);
    /* translateX(+100px)：右から表示 */
    /* translateX(-100px)：左から表示 */
    /* translateY(+100px)：下から表示 */
    /* translateY(-100px)：上から表示 */

  }

  100% {
    opacity: 1;
    transform: none;
  }
}

details[open] .do-open {
  display: none;
}

/* 閉じている状態 */
details:not([open]) .do-close {
  display: none;
}

summary {
  padding: 0 10px;
  border: solid 1px;
  max-width: 100px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 3rem;
  font-family: Yu Mincho,
    "游明朝",
    YuMincho,
    "游明朝体",
    Hiragino Mincho ProN,
    "HGS明朝E",
    "メイリオ",
    serif;
}

.all-button {
  text-align: center;
}

.all-link {
  color: rgb(23, 23, 23);
  padding: 30px 200px;
  border: solid 1px;
  max-width: 100px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 3rem;
  font-family: Yu Mincho,
    "游明朝",
    YuMincho,
    "游明朝体",
    Hiragino Mincho ProN,
    "HGS明朝E",
    "メイリオ",
    serif;
}

.all-link:hover {
  opacity: 0.5;
  transition: 0.2s;
}

@media screen and (max-width: 769px) {
  .p-hero {
    margin-bottom: 75px;
  }

  .p-link__title {
    margin-bottom: 30px;
  }

  .of-h {
    margin-bottom: 75px;
  }

  .main-event li {
    max-width: 100%;
  }

  .main-event .abs:hover {
    top: -40px;
  }

  .all-link {
    padding: 10px 20px;
  }
}