@charset "UTF-8";
body, h1, h2, h3, h4, p, figure, blockquote, dl, dd {
  margin: 0;
}

.clearfix:before {
  content: " ";
  display: table;
}
.clearfix:after {
  content: " ";
  display: table;
  clear: both;
}

@media screen\0  {
  #content {
    font-family: "メイリオ", Meiryo, sans-serif;
  }
}
body {
  margin: 0;
  padding: 0;
  width: 100%;
  /*overflow-x: hidden;*/
  font-family: "游ゴシック体", YuGothic, "游ゴシック Medium", "Yu Gothic Medium", "游ゴシック", "Yu Gothic", sans-serif;
  margin: 0;
}

#header {
  width: 100%;
  text-align: center;
}
#header img {
  max-width: 100%;
  height: auto;
}

/*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/
.container {
  width: 100%;
  margin: 0 auto;
  padding: 0;
  font-family: "Noto Sans JP", sans-serif;
  font-optical-sizing: auto;
  font-weight: 400;
  font-style: normal;
  color: #000;
}
.container p {
  font-size: 15px;
  line-height: 2;
}
.container img {
  width: 100%;
  height: auto;
  vertical-align: bottom;
}
.container a {
  text-decoration: none;
  transition: 0.4s;
}
.container .header {
  position: relative;
  color: #fff;
  width: 100%;
  z-index: 1;
  padding: 30px 0;
}
.container .header .bg {
  width: 100%;
  height: 100%;
  position: absolute;
  z-index: -1;
  top: 0;
}
.container .header .bg img {
  width: 100%;
  height: 100%;
  -o-object-fit: cover;
     object-fit: cover;
}
.container .header .bg::before {
  content: "";
  position: absolute;
  width: 100%;
  height: min(33vw, 215px);
  opacity: 0.5;
  background: linear-gradient(to top, rgba(0, 0, 0, 0) 0%, rgba(0, 0, 0, 0.5) 24%, rgb(0, 0, 0) 100%);
}
.container .header .summary {
  width: 88%;
  max-width: 611px;
  margin: auto;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.container .header .summary img:nth-of-type(1) {
  width: 14%;
  padding-right: 5%;
  border-right: solid 1px #fff;
}
.container .header .summary img:nth-of-type(2) {
  width: 76%;
  padding-left: 4%;
}
.container .header .title {
  position: relative;
  display: block;
  width: 100%;
  max-width: 840px;
  margin: 18px auto;
}
.container .header .title h1 picture {
  display: block;
}
.container .header .title h1 picture:nth-child(2) {
  margin-top: -5%;
}
.container .header .lead {
  width: min(90%, 710px);
  background-color: rgba(0, 0, 0, 0.8);
  margin: auto;
  padding: 5%;
  box-sizing: border-box;
}
.container main {
  overflow-x: hidden;
}
.container section {
  width: min(90%, 880px);
  margin: 50px auto 0;
  padding: 50px 0;
  position: relative;
}
.container section::before {
  content: "";
  position: absolute;
  top: 0;
  width: 100%;
  height: 100%;
  border: solid 4px;
  -o-border-image: linear-gradient(to right, #a100ff, #542489);
     border-image: linear-gradient(to right, #a100ff, #542489);
  border-image-slice: 1;
  background-color: #fff;
  opacity: 0.7;
  z-index: -1;
  box-sizing: border-box;
}
.container section::after {
  content: "";
  position: absolute;
  width: 70%;
  aspect-ratio: 265/154;
  background: url(secbg.png) no-repeat 100% 100%/cover;
  top: -50px;
  right: -5%;
  z-index: -10;
}
.container section.sec2::after {
  transform: scaleX(-1);
  right: 0;
  left: -5%;
}
.container section .inner {
  width: min(88%, 704px);
  margin: 0 auto;
}
.container section .inner h2 {
  width: min(95%, 420px);
  margin-bottom: 35px;
}
.container section .inner > p {
  text-indent: 1em;
  line-height: 2;
}
.container section .inner > p + p {
  margin-top: 1.5em;
}
.container section .inner > p.cap {
  font-size: 12px;
  text-indent: 0;
  margin: 2.5em 0;
}
.container section .inner > p.cap a {
  color: #7500c0;
  border-bottom: solid 1px #7500c0;
}
.container section .inner .speaker {
  margin: 45px auto;
}
.container section .inner .speaker img {
  -o-object-fit: cover;
     object-fit: cover;
  min-height: 220px;
  -o-object-position: 70% 100%;
     object-position: 70% 100%;
}
.container section .inner .speaker .profile {
  background: linear-gradient(to right, #a100ff, #542489);
  padding: 1em;
  margin-top: -1px;
}
.container section .inner .speaker .profile p {
  color: #fff;
  font-size: 12px;
  line-height: 1.7;
}
.container section .inner .speaker .profile p + p {
  margin-top: 0.5em;
}
.container section .inner .speaker .profile p span {
  font-size: 20px;
  font-weight: bold;
}
.container .foot {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  margin-bottom: 50px;
}
.container .foot a {
  color: #7500c0;
}
.container .foot a.logo {
  display: block;
  width: 250px;
  margin: 60px auto;
}

@media screen and (min-width: 641px) {
  .container .header {
    padding: 37px 0 55px;
  }
  .container .header .title {
    margin: 35px auto 15px;
  }
  .container .header .title h1 picture:nth-child(2) {
    margin-top: -40px;
  }
  .container .header .lead {
    padding: 30px;
  }
  .container section {
    margin-top: 100px;
    padding: 80px 0;
  }
  .container section::before {
    border-width: 8px;
  }
  .container section::after {
    width: max(450px, 60.23%);
    top: -80px;
    right: -15%;
  }
  .container section.sec2::after {
    right: 0;
    left: -15%;
  }
  .container section .inner h2 {
    margin-bottom: 57px;
  }
  .container section .inner > p.cap a {
    transition: 0.2s;
  }
  .container section .inner > p.cap a:hover {
    opacity: 0.5;
  }
  .container section .inner .speaker {
    position: relative;
    margin: 60px auto;
  }
  .container section .inner .speaker .speaker_inner {
    display: flex;
    align-items: center;
    width: min(100%, 640px);
    aspect-ratio: 16/9;
  }
  .container section .inner .speaker .speaker_inner img {
    position: absolute;
    max-width: 640px;
  }
  .container section .inner .speaker .speaker_inner .profile {
    position: absolute;
    clip-path: polygon(0 0, 100% 0, 95% 100%, 0% 100%);
    width: 52.27%;
    aspect-ratio: 182/89;
    display: flex;
    justify-content: center;
    flex-direction: column;
    padding: 1.5em;
    box-sizing: border-box;
    margin-top: 0;
  }
  .container section .inner .speaker .speaker_inner .profile p {
    font-size: 15px;
  }
  .container section .inner .speaker .speaker_inner.right img {
    right: -21%;
  }
  .container section .inner .speaker .speaker_inner.right .profile {
    left: 0;
  }
  .container section .inner .speaker .speaker_inner.left img {
    left: -21%;
  }
  .container section .inner .speaker .speaker_inner.left .profile {
    right: 0;
  }
  .container .foot a.logo {
    margin: 80px auto;
    transition: opacity 0.3s;
  }
  .container .foot a.logo:hover {
    opacity: 0.6;
  }
  .container .foot a span {
    padding-bottom: 5px;
    position: relative;
  }
  .container .foot a span::before {
    background-color: #7500c0;
    content: "";
    width: 100%;
    height: 1px;
    position: absolute;
    left: 0;
    bottom: 0;
    transform-origin: right top;
    transform: scale(0, 1);
    transition: transform 0.3s;
  }
  .container .foot a span:hover::before {
    transform-origin: left top;
    transform: scale(1, 1);
  }
}