@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;
}

img {
  display: block;
  width: 100%;
  height: auto;
  vertical-align: middle;
}

a {
  text-decoration: none;
}

/*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/
.header_bg img {
  vertical-align: initial;
}
.header_wrap .inner {
  width: 60%;
  max-width: 370px;
  margin: 0 auto;
  line-height: 1;
}

.container {
  width: 100%;
  font-family: "Noto Sans JP", sans-serif;
  font-weight: 400;
  background: url(bg.jpg) no-repeat top center/300% auto;
  background-color: #071441;
  overflow: hidden;
}

.top .mv_wrap {
  position: relative;
  padding-top: 5%;
}
.top .mv_wrap h1 {
  width: 80%;
  max-width: 340px;
  margin: 0 auto 5%;
}
.top .mv_wrap h1 img:nth-of-type(2) {
  width: 70%;
  margin: 5% auto 0;
}
.top .mv_wrap .top_img {
  width: 100%;
  height: 60vw;
  overflow: hidden;
}
.top .mv_wrap .top_img img {
  height: 100%;
  -o-object-fit: cover;
     object-fit: cover;
  -o-object-position: left 30%;
     object-position: left 30%;
}
.top .mv_wrap h2 {
  width: 72%;
  max-width: 400px;
  margin: -20% 5% 0 auto;
}
.top .lead {
  width: 80%;
  margin: 8% auto 30px;
  padding: 5%;
  background-color: rgba(7, 20, 65, 0.5);
}
.top .lead p {
  font-size: 16px;
  line-height: 1.8;
  color: #fff;
}

.main_inner {
  background-color: #fff;
  width: 88%;
  max-width: 1000px;
  margin: 0 auto 50px;
  padding: 5% 0 100px;
  position: relative;
}
.main_inner::after {
  content: "";
  position: absolute;
  background-repeat: no-repeat;
  background-size: contain;
  background-position: center center;
  background-image: url(side_box_5.png);
  width: 26.7vw;
  height: 30.8vw;
  left: -5vw;
  bottom: -8vw;
}
.main_inner .section {
  position: relative;
  padding: 10% 5% 0;
}
.main_inner .section::after {
  content: "";
  position: absolute;
  background-repeat: no-repeat;
  background-size: contain;
  background-position: center center;
}
.main_inner .section.sec-1::after {
  background-image: url(side_box_1.png);
  width: 30vw;
  height: 27.3vw;
  left: -10vw;
  top: -10vw;
}
.main_inner .section.sec-2::after {
  background-image: url(side_box_2.png);
  width: 26.7vw;
  height: 30.8vw;
  right: -12vw;
  top: -15vw;
}
.main_inner .section.sec-3::after {
  background-image: url(side_box_3.png);
  width: 20.4vw;
  height: 23.6vw;
  left: -8vw;
  top: -10vw;
}
.main_inner .section.sec-4::after {
  background-image: url(side_box_4.png);
  width: 17.3vw;
  height: 27.5vw;
  right: -10vw;
  top: -2vw;
}
.main_inner .section + .section {
  margin-top: 50px;
}
.main_inner .section h3 {
  position: relative;
  width: 100%;
  margin: 0 auto 10%;
}
.main_inner .section h3 img {
  max-width: 400px;
  margin: 0 auto;
}
.main_inner .section .speaker_box {
  width: min(80%, 300px);
  margin: 40px auto;
}
.main_inner .section .speaker_box .speaker_text {
  margin: 15px 0 25px;
  color: #20396f;
}
.main_inner .section .speaker_box .speaker_text p {
  margin: 0;
  font-size: 14px;
  line-height: 1.5;
  text-indent: 0;
}
.main_inner .section .speaker_box .speaker_text p.name {
  font-size: 20px;
  font-weight: 700;
}
.main_inner .section .speaker_box .speaker_text p.name small {
  font-size: 14px;
  font-weight: 400;
  margin-left: 0.25em;
}
.main_inner .section > p {
  margin: 0 auto;
  font-size: 15px;
  text-indent: 1em;
  line-height: 1.8;
}
.main_inner .section > p + p {
  margin-top: 1.5em;
}
.main_inner .banner_area {
  margin: 60px auto;
  padding: 0 5%;
  max-width: 600px;
}
.main_inner .banner_area a {
  display: block;
}
.main_inner .banner_area a + a {
  margin-top: 10px;
}
.main_inner .footer {
  text-align: center;
  margin-top: 60px;
}
.main_inner .footer h3 {
  font-size: 16px;
  color: #717070;
  position: relative;
  font-weight: 600;
}
.main_inner .footer h3::before {
  content: " ";
  width: 96px;
  height: 3px;
  background-color: #717070;
  position: absolute;
  bottom: -5px;
}
.main_inner .footer .linkImg {
  display: block;
  width: min(76%, 300px);
  margin: 50px auto 30px;
}
.main_inner .footer p {
  font-size: 16px;
  margin-bottom: 5px;
}
.main_inner .footer .linkTxt {
  font-size: 16px;
  font-weight: 600;
  color: #0096d1;
}

@media screen and (min-width: 768px) {
  .container {
    background-size: 100% auto;
    background-position: center top;
  }
  .top .mv_wrap {
    display: flex;
    flex-direction: row-reverse;
    justify-content: flex-start;
    align-items: flex-start;
    padding: 45px 0 0 0;
    margin: 0 auto;
  }
  .top .mv_wrap h1 {
    width: 30%;
    padding-top: 15px;
    margin: 0 auto 0 3%;
  }
  .top .mv_wrap h1 img:nth-of-type(2) {
    width: 100%;
    margin: 15px auto 0;
  }
  .top .mv_wrap .top_img {
    width: 64%;
    height: auto;
  }
  .top .mv_wrap h2 {
    width: 90%;
    max-width: 90%;
    position: absolute;
    top: 73%;
    left: 5%;
    margin: 0;
  }
  .top .mv_wrap h2 img {
    max-width: 1000px;
    margin: 0 auto;
  }
  .top .lead {
    width: 90%;
    max-width: 800px;
    margin: 50px auto 80px;
    padding: 15px;
  }
  .main_inner {
    margin: 0 auto 80px;
    padding: 0 0 160px;
  }
  .main_inner::after {
    width: 267px;
    height: 308px;
    left: -65px;
    bottom: -46px;
  }
  .main_inner .section {
    max-width: 1000px;
    margin: 0 auto;
    padding-top: 100px;
  }
  .main_inner .section.sec-1::after {
    width: 300px;
    height: 273px;
    left: -20px;
    top: -45px;
  }
  .main_inner .section.sec-2::after {
    width: 267px;
    height: 308px;
    right: -110px;
    top: -60px;
  }
  .main_inner .section.sec-3::after {
    width: 204px;
    height: 236px;
    left: -60px;
    top: 20px;
  }
  .main_inner .section.sec-4::after {
    width: 173px;
    height: 275px;
    right: -60px;
    top: -40px;
  }
  .main_inner .section + .section {
    margin-top: 0;
  }
  .main_inner .section h3 {
    margin: 0 auto 80px;
  }
  .main_inner .section h3 img {
    width: 60%;
    max-width: 500px;
  }
  .main_inner .section .speaker_box {
    width: 37.5%;
    margin: 0 0 10px;
    padding-top: 5px;
  }
  .main_inner .section .speaker_box.right {
    float: right;
  }
  .main_inner .section .speaker_box.left {
    float: left;
  }
  .main_inner .section .speaker_box .speaker_text {
    margin: 15px 0 25px;
    color: #20396f;
  }
  .main_inner .section .speaker_box .speaker_text p {
    margin: 0;
    font-size: 14px;
    line-height: 1.5;
    text-indent: 0;
  }
  .main_inner .section .speaker_box .speaker_text p.name {
    font-size: 20px;
    font-weight: 700;
  }
  .main_inner .section > p {
    font-size: 16px;
    text-indent: 1em;
    line-height: 1.8;
  }
  .main_inner .section > p.mb {
    margin-bottom: 1.5em;
  }
  .main_inner .section > p.left {
    width: 57.5%;
    float: left;
  }
  .main_inner .section > p.right {
    width: 57.5%;
    float: right;
  }
  .main_inner .section > p.center {
    clear: both;
  }
  .main_inner .banner_area {
    margin: 130px auto 0;
  }
  .main_inner .banner_area a {
    transition: all 0.4s;
  }
  .main_inner .banner_area a:hover {
    opacity: 0.8;
  }
  .main_inner .banner_area a + a {
    margin-top: 30px;
  }
  .main_inner .banner_area a.dummy {
    pointer-events: none;
  }
  .main_inner .footer {
    margin-top: 150px;
  }
  .main_inner .footer h3 {
    font-size: 18px;
    color: #717070;
    position: relative;
    font-weight: 600;
  }
  .main_inner .footer h3::before {
    width: 110px;
  }
  .main_inner .footer .linkImg {
    margin: 60px auto 30px;
    transition: opacity 0.5s;
  }
  .main_inner .footer .linkImg:hover {
    opacity: 0.7;
  }
  .main_inner .footer p {
    font-size: 18px;
    margin-bottom: 10px;
  }
  .main_inner .footer .linkTxt {
    position: relative;
    transition: all 0.5s;
  }
  .main_inner .footer .linkTxt::before {
    content: " ";
    position: absolute;
    width: 100%;
    height: 2px;
    background-color: #0096d1;
    bottom: -5px;
    transform: scale(0, 0);
    transition: all 0.5s;
  }
  .main_inner .footer .linkTxt:hover {
    opacity: 0.7;
  }
  .main_inner .footer .linkTxt:hover::before {
    transform: scale(1, 1);
  }
}
@media screen and (min-width: 1010px) {
  .main_inner .section {
    padding-left: calc(50% - 400px);
    padding-right: calc(50% - 400px);
  }
}
@media screen and (min-width: 1133px) {
  .top .mv_wrap .top_img {
    width: calc(94% - 340px);
  }
  .top .mv_wrap h2 {
    top: 378px;
  }
}
@media screen and (min-width: 1280px) {
  .top .mv_wrap .top_img {
    height: 563px;
  }
}
@media screen and (min-width: 1440px) {
  .top .mv_wrap h1 {
    margin-left: 38px;
  }
  .top .mv_wrap .top_img {
    width: 1013px;
    margin-left: calc(50% - 720px);
  }
}