.system_img {
  position: relative;
  width: 90%;
  margin: 1em auto 2em;
}
.system_img .img-reveal img {
  position: relative;
  height: 250px;
  object-fit: cover;
}
.system_img .img-reveal img.img-gray {
  position: absolute;
  opacity: 0.5;
}
.system_img .img-reveal img.img-gray.nofillter {
  opacity: 1;
}
.system_img_ap {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 150px;
  z-index: 5;
  font-family: "the-seasons", sans-serif;
  font-weight: 400;
  text-transform: uppercase;
  font-size: 1.8rem;
  line-height: 2;
}
.system_txt {
  text-align: left;
  width: 80%;
  margin: auto;
}
.system {
  width: 80%;
  margin: 1em auto 1em;
}
.system li {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  list-style: none;
  justify-content: space-between;
  padding: 10px 0;
  text-align: left;
  font-family: "the-seasons", sans-serif;
  font-size: 1.8rem;
}
.system li::before {
  position: absolute;
  content: '';
  top: 50%;
  left: 115px;
  transform: translate(0%, -50%);
  background: #fff;
  height: 0.5px;
  width: calc(100% - 205px);
}
.system li dt {
  width: 115px;
}
.system li dd {
  text-align: right;
  width: 90px;
}
.system_note.mgnb {
  margin: 1em auto 3em;
}
.system_note {
  width: 80%;
  margin: 1em auto 0;
  text-align: left;
}
.system_note li {
  position: relative;
  padding: 2px 0 2px 15px;
  font-size: 1.2rem;
}
.system_note li::before {
  position: absolute;
  top: 2px;
  left: 0;
  content: '※'
}
.access {
  width: 80%;
  margin: 1em auto 0;
}
.access div {
  margin: 1em auto 0;
}
.access iframe {
  filter: grayscale(100%);
}
.access p {
  text-align: left;
  margin: 2em auto 0;
}
.access p a {
  display: block;
  margin: 1em auto 0;
  text-decoration: underline;
}
.tab {
  width: 85%;
  margin: 1em auto 0;
  display: flex;
  flex-wrap: wrap;
  border-bottom: 1px solid #fff;
  justify-content: center;
  font-size: 1.4rem;
}
.tab li a {
  display: block;
  padding: 10px 30px;
  color: rgb(255, 255, 255, 0.5);
}
/*liにactiveクラスがついた時の形状*/
.tab li.active a {
  color: #fff;
}
/*エリアの表示非表示と形状*/
.area {
  width: 80%;
  margin: 2em auto 0;
  display: none; /*はじめは非表示*/
  opacity: 0; /*透過0*/
}
/*areaにis-activeというクラスがついた時の形状*/
.area.is-active {
  display: block; /*表示*/
  animation-name: displayAnime; /*ふわっと表示させるためのアニメーション*/
  animation-duration: 2s;
  animation-fill-mode: forwards;
}
@keyframes displayAnime {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}
.area > p {
  text-align: left;
}
.area > p span {
  display: block;
  margin: 0 auto 0.3em;
  font-weight: 500;
  font-size: 1.4rem;
  text-align: center;
}
.area > ul {
  margin: 1.5em auto 1.5em;
}
.area > ul li {
  display: flex;
  flex-wrap: wrap;
  list-style: none;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 0.5px solid #fff;
  text-align: left;
}
.area > ul li:last-child {
  border-bottom: none;
}
.area > ul li dt {
  width: 80px;
}
.area > ul li dd {
  width: calc(100% - 80px);
}
.event_bg {
  padding: 3em 0 0;
}
.event_slider {
  margin: 1em auto 0;
}
.event_slider .slick-slide {
  width: 80vw;
  margin: 0 20px;
  transition: all .1s; /*拡大や透過のアニメーションを0.5秒で行う*/
  opacity: 0.5;
}
.event_slider .slick-slide.slick-center {
  opacity: 1;
}
/*戻る、次へ矢印の位置*/
.event_slider .slick-prev, .event_slider .slick-next {
  position: absolute;
  top: 42%;
  cursor: pointer;
  outline: none;
  border-top: 1px solid #fff;
  border-right: 1px solid #fff;
  height: 15px;
  width: 15px;
}
.event_slider .slick-prev {
  left: 2%;
  transform: rotate(-135deg);
}
.event_slider .slick-next {
  right: 2%;
  transform: rotate(45deg);
}
/*ドットナビゲーションの設定*/
.slick-dots {
  text-align: center;
  margin: 20px 0 0 0;
}
.slick-dots li {
  display: inline-block;
  margin: 0 5px;
}
.slick-dots button {
  color: transparent;
  outline: none;
  width: 8px;
  height: 8px;
  display: block;
  border-radius: 50%;
  background: #000;
  border: 1px solid #fff;
}
.slick-dots .slick-active button {
  background: #fff;
}
.event_slider_in {}
.event_slider_ttl {
  margin: 0 auto 1em;
}
.event_slider_ttl span {
  display: block;
  font-size: 1.6rem;
}
.event_slider_in p {
  text-align: left;
  margin: 1em auto 0;
  width: 90%;
}
/* ------------------------------------ */
/* ▼PC用デザインとして付け足すデザイン */
/* ------------------------------------ */
@media all and (min-width: 768px) {
  .system_img {
    margin: 1em auto 4em;
  }
  .system_img .img-reveal img {
    height: 480px;
  }
  .system_img_ap {
    width: 250px;
    font-size: 2.4rem;
  }
  .system_txt {
    max-width: 900px;
    margin: -2em auto 0;
    line-height: 2;
  }
  .system {
    max-width: 800px;
    margin: 1em auto 0em;
  }
  .system li {
    padding: 15px 0;
    font-size: 3rem;
  }
  .system li::before {
    left: 200px;
    width: calc(100% - 350px);
  }
  .system li dt {
    width: 200px;
  }
  .system li dd {
    width: 150px;
  }
  .system_note.mgnb {
    margin: 1em auto 5em;
  }
  .system_note {
    max-width: 800px;
    margin: 2em auto 0;
    text-align: left;
  }
  .system_note li {
    position: relative;
    padding: 2px 0 2px 15px;
    font-size: 1.4rem;
  }
  .system_note li::before {
    position: absolute;
    top: 2px;
    left: 0;
    content: '※'
  }
  .access {
    width: 90%;
    max-width: 1100px;
    margin: 1em auto 0;
    position: relative;
    display: flex;
    flex-wrap: wrap;
    list-style: none;
    justify-content: space-between;
    align-items: center;
  }
  .access h2 {
    position: absolute;
    top: 0.3em;
    left: 75%;
  }
  .access div {
    width: 60%;
    margin: 0;
  }
  .access p {
    width: 25%;
    margin: 2em 0 0;
  }
  .access p a {
    margin: 1em auto 0;
  }
  .tab {
    max-width: 1100px;
    margin: 1em auto 0;
    letter-spacing: 2px;
    font-size: 1.9rem;
  }
  .tab li a {
    padding: 15px 30px;
  }
  /*エリアの表示非表示と形状*/
  .area {
    max-width: 850px;
    margin: 2.5em auto 0;
  }
  .area > p {
    line-height: 2;
  }
  .area > p span {
    margin: 0 auto 0.5em;
    font-size: 1.8rem;
  }
  .area > ul {
    margin: 1.5em auto 1.5em;
  }
  .area > ul li {
    padding: 30px 0;
  }
  .area > ul li dt {
    width: 120px;
  }
  .area > ul li dd {
    width: calc(100% - 120px);
  }
  .event_bg {
    padding: 5em 0 0;
  }
  .event_slider {
    margin: 1em auto 0;
  }
  .event_slider .slick-slide {
    width: 900px;
    margin: 0 40px;
  }
  .event_slider .slick-prev, .event_slider .slick-next {
    top: 45%;
    height: 15px;
    width: 15px;
  }
  .event_slider .slick-prev {
    left: calc(50% - 480px);
  }
  .event_slider .slick-next {
    right: calc(50% - 480px);
  }
  .slick-dots {
    margin: 40px 0 0 0;
  }
  .event_slider_ttl {
    margin: 0 auto 1.5em;
  }
  .event_slider_ttl span {
    font-size: 2.2rem;
    letter-spacing: 2px;
  }
  .event_slider_in p {
    margin: 1.5em auto 0;
    max-width: 600px;
    line-height: 2;
  }
}