@charset "UTF-8";
:root {
  --base-design-width: 750px;
  --main-column-width-pc: 500px;
}
* {
  -webkit-box-sizing: border-box;
  -o-box-sizing: border-box;
  -ms-box-sizing: border-box;
  box-sizing: border-box; }
html {
  font-size: 62.5%;
  height: 100%;
  scroll-behavior: smooth;
}
body {
  position: relative;
  font-size: 1.6rem;
  font-family: "Hina Mincho", serif;
  color: white;
  height: 100dvh;
}
body::before {
  content: "";
  width: 100%;
  height: 100%;
  height: 100dvh;
  position: fixed;
  left: 0;
  bottom: 0;
  z-index: 0;
  background: url(../img/pc_bg.jpg) no-repeat top / cover;
  transform: translate3d(0, 0, -1px);
}
a {
  color: white;
  cursor: pointer;
  text-decoration: none;
  transition: opacity 0.3s ease;
}
a:hover {
  opacity: 0.7;
}
.nobr {
  white-space: nowrap;
}

.wrap {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  overflow: hidden;
  position: relative;
}
.wrap img {
  width: 100%;
}
.wrap .right {
  display: flex;
  align-items: center;
  justify-content: center;
  width: calc(50vw - (var(--main-column-width-pc) / 2));
  height: 100%;
  position: fixed;
  top: 0;
  right: 0;
  overflow: hidden;
  z-index: 7000;
}
.wrap .right img {
  margin-top: -15vh;
  max-width: 488px;
}
.wrap .right ._btn {
  position: absolute;
  bottom: 7%;
  font-size: clamp(9px, 1.1vw, 16px);
}
.wrap .left {
  display: flex;
  align-items: center;
  justify-content: center;
  width: calc(50vw - (var(--main-column-width-pc) / 2));
  height: 100%;
  position: fixed;
  top: 0;
  left: 0;
  overflow: hidden;
  z-index: 7000;
}
.wrap .left img {
  max-width: 460px;
}

.wrap .center {
  background-color: #05122a;
  width: min(100%, var(--main-column-width-pc));
  box-shadow: 0 0 13px rgba(0, 0, 0, 0.3);
  overflow: hidden;
  position: relative;
  z-index: 1.8;
  font-size: 19px;
  line-height: 2;
}
.pk, .yl, .bl {
  font-size: 40px;
  color: white;
  padding-right: 0.5rem;
}
.pk {
  text-shadow: 
  0 0 5px #7b1f79, 0 0 5px #7b1f79, 0 0 5px #7b1f79,
  0 0 10px #7b1f79, 0 0 10px #7b1f79, 0 0 10px #7b1f79;;
}
.yl {
  text-shadow: 
  0 0 5px #888436, 0 0 5px #888436, 0 0 5px #888436,
  0 0 10px #888436, 0 0 10px #888436, 0 0 10px #888436;;
}
.bl {
  text-shadow: 
  0 0 5px #1f3f84, 0 0 5px #1f3f84, 0 0 5px #1f3f84,
  0 0 10px #1f3f84, 0 0 10px #1f3f84, 0 0 10px #1f3f84;;
}
._btn {
  position: relative;
  display: block;
  width: 80%;
  max-width: 300px;
  margin: 0 auto;
  background: url(../img/btn_bg.png)no-repeat center / cover;
  border-radius: 50vw;
  padding: 2rem;
  text-align: center;
}
._btn::after {
  content: "";
  position: absolute;
  display: block;
  top: 50%;
  right: 5%;
  width: 6%;
  padding-top: 6%;
  transform: translateY(-50%);
  background: url(../img/arrow_right.png) no-repeat center / contain;
}
._btn.shadow_wh {
  box-shadow: 0px 0px 15px rgba(255, 255, 255, 0.3);
}
._btn.shadow_bk {
  box-shadow: 0px 0px 15px rgba(0, 0, 0, 0.3);
}

/* mv */
.mv_wrap {
  width: 100%;
}

/* lead */
.lead {
  margin-bottom: 14%;
}
.bg_top {
  position: relative;
  background: url(../img/bg_center_top.png) no-repeat top / cover;
  padding: 2% 0 11%;
}
.bg_top::after {
  content: "";
  position: absolute;
  display: block;
  bottom: 0;
  background: url(../img/bg_info_head.png) no-repeat bottom / contain;
  width: 100%;
  padding-top: 10.9%;
}
.lead_ttl {
  width: 80%;
  margin: 0 auto 5%;
}
.lead p {
  text-align: center;
}
.lead p:not(:last-of-type) {
  margin-bottom: 20px;
}
.lead p:last-of-type {
  margin-bottom: 14%;
}

/* motif */
.motif {
  margin-bottom: 14%;
}
.motif .left_txt {
  width: fit-content;
  margin-right: auto;
  margin-bottom: 15%;
  padding-left: 5%;
}
.motif .right_txt {
  width: fit-content;
  margin-left: auto;
  margin-bottom: 15%;
  padding-right: 5%;
}
.motif .center_txt {
  width: fit-content;
  margin: 0 auto 20%;
  text-align: center;
}
img.ntroduction_img {
  display: block;
  width: 80%;
  margin-bottom: 15%;
}
img.ntroduction_img._01 {
  margin-right: auto;
}
img.ntroduction_img._02 {
  margin-left: auto;
}
.mv_ttl {
  width: 75%;
  margin: 0 auto;
}
.movie_wrap {
  position: relative;
  width: 90%;
  margin: 0 auto;
  z-index: 2;
}
.movie_wrap::after {
  content: "";
  position: absolute;
  width: 100%;
  top: 2%;
  left: 2%;
  aspect-ratio: 16 / 9;
  background: url(../img/mv_shadow.png) no-repeat top / cover;
  z-index: 1;
}
.movie_wrap iframe {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  z-index: 2;
}

/* bg_info 開催概要 */
.bg_info {
  color: #05122a;
  background-image: url(../img/bg_info_cloud_01.png), url(../img/bg_info_cloud_02.png), url(../img/bg_info_bg.png);
  background-repeat: no-repeat, no-repeat, no-repeat;
  background-position: top 5% right 0, bottom 5% left 0, top;
  background-size: 25%, 35%, 100% 100%;
  padding: 0 5% 10%;
}
.info_ttl {
  width: 60%;
  margin: 0 auto -6%;
}
.info {
  margin: 0 auto;
  width: 70%;
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
}
.info dt {
  width: 23%;
  text-align: center;
  border: 1px solid #05122a;
  background-color: rgba(5, 18, 42, 0.2);
  line-height: 1.5;
}
.info dd {
  width: 77%;
  padding-left: 5%;
  margin-bottom: 4%;
}
.exhibition_title {
  font-size: 22px;
  text-align: center;
  margin-bottom: 3%;
}
.exhibition_title span {
  font-size: 18px;
}
.note {
  font-size: 1.6rem;
  padding-left: 1.6rem;
  text-indent: -1.6rem;
  line-height: 1.5;
  margin-bottom: 10%;
}

/* bottom */
.bg_bottom {
  position: relative;
  text-align: center;
  background: url(../img/bg_center_bottom.png) no-repeat top / cover;
  padding: 27% 0 20%;
}
.bg_bottom::before {
  content: "";
  position: absolute;
  display: block;
  top: 0;
  background: url(../img/bg_info_foot.png) no-repeat top / contain;
  width: 100%;
  padding-top: 8.2%;
  margin-top: -1px;
}
.credit {
  width: 90%;
  margin: 0 auto;
}
.credit dt {
  width: 30%;
  margin: 0 auto;
  border: 1px solid white;
  line-height: 1.5;
  margin-bottom: 2%;
}
.credit dd {
  width: 100%;
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  margin-bottom: 2%;
}
.credit dd:not(:last-of-type):after {
  content: "";
  display: block;
  width: 100%;
  padding-bottom: 20%;
  background: url(../img/icon.png) no-repeat center / 10%;
}
.credit dd:last-of-type::after {
  display: none;
}
.copyright {
  background: url(../img/btn_bg.png) no-repeat top / cover;
	font-size: 1.4rem;
  padding: 3% 5%;
  text-align: center;
}
img.piapro_logo {
  width: 13%;
}
@media screen and (max-width: 750px) {
  /* sp */
  body {
    background-color: #05122a;
  }
  body::before {
    display: none;
  }
  .wrap .left,
  .wrap .right {
    display: none;
  }
  .wrap .center {
    width: 100%;
    font-size: clamp(14px, 4vw, 30px);
  }
  .pk, .yl, .bl {
    font-size: clamp(30px, 6.8vw, 50px);
  }
  ._btn {
    width: 60%;
    max-width: none;
  }
  .exhibition_title {
    font-size: clamp(16px, 4.6vw, 35px);
  }
  .exhibition_title span {
    font-size: clamp(14px, 4vw, 27px);
  }
  .note {
    font-size: clamp(12px, 3.2vw, 24px);
    padding-left: clamp(12px, 3.2vw, 24px);
    text-indent: calc(-1 * clamp(12px, 3.2vw, 24px));
  }
  .copyright {
    font-size: clamp(12px, 2.7vw, 20px);
  }
}