main {
  /*============================
  #concept
  ============================*/
  /*============================
  #works
  ============================*/
  /*============================
  #strong
  ============================*/
  /*============================
  #contents
  ============================*/
}
main h2 {
  font-weight: bold;
  font-size: 36px;
  line-height: 1.333;
  text-align: center;
}
@media screen and (max-width: 768px) {
  main h2 {
    font-size: 21.6px;
  }
}
main #concept {
  text-align: center;
  padding: 60px 30px 120px;
}
@media screen and (max-width: 768px) {
  main #concept {
    padding: 60px 20px 120px;
  }
}
main #concept h2 {
  font-weight: bold;
  font-size: 48px;
  line-height: 1.3;
  margin-bottom: 2em;
}
@media screen and (max-width: 768px) {
  main #concept h2 {
    font-size: 28.8px;
  }
}
main #concept h2 small {
  font-family: "Roboto Slab", serif !important;
  font-weight: 700;
  font-size: 21px;
  font-size: 0.44em;
  letter-spacing: 0.04em;
  color: #0A319F;
  display: block;
  padding: 0.3em 0 0;
}
main #concept .movie {
  max-width: 624px;
  margin: auto;
}
main #concept .movie .yt_cont {
  position: relative;
  height: 0;
  padding-bottom: 56.25%;
  overflow: hidden;
}
main #concept .movie .yt_cont iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}
main #works h2 {
  background: #e6eaf5;
  padding: 30px 0;
}
main #works ul {
  display: flex;
  flex-wrap: wrap;
  margin: 0 0 0 -1px;
}
@media screen and (max-width: 768px) {
  main #works ul {
    display: block;
    margin: 0;
  }
}
main #works ul li {
  flex: 0 0 50%;
  border-left: 1px solid #fff;
  border-bottom: 1px solid #fff;
}
@media screen and (max-width: 768px) {
  main #works ul li {
    border: none;
    border-bottom: 1px solid #fff;
  }
}
main #works ul li a {
  display: block;
  background: #0A319F;
  color: #fff;
  position: relative;
  font-weight: bold;
  font-size: 24px;
  line-height: 1.333;
  padding: 65px;
  padding: 2.7em;
  text-align: center;
  text-decoration: none;
}
@media screen and (max-width: 768px) {
  main #works ul li a {
    font-size: 16.8px;
    text-align: left;
    padding: 1.7em 20px;
  }
}
main #works ul li a span.more {
  position: absolute;
  right: 0;
  bottom: 0;
  background: transparent;
}
main #strong {
  background: url("img/strong_bg.jpg") no-repeat center;
  background-size: cover;
  color: #fff;
  padding: 100px 30px 130px;
  position: relative;
}
@media screen and (max-width: 768px) {
  main #strong {
    padding: 100px 30px 90px;
  }
}
main #strong::before {
  content: "";
  display: block;
  width: 100%;
  height: 100%;
  background: #000;
  position: absolute;
  left: 0;
  top: 0;
  opacity: 0.5;
}
main #strong h2 {
  position: relative;
  text-shadow: 0px 0px 5px #000;
  margin-bottom: 1em;
}
main #strong p {
  position: relative;
  font-size: 17px;
  letter-spacing: 0.01em;
  line-height: 40px;
  text-align: left;
  text-shadow: 0px 0px 5px #000;
  max-width: 610px;
  margin: auto;
  text-align: justify;
}
@media screen and (max-width: 768px) {
  main #strong p {
    font-size: 14px;
  }
}
main #contents {
  padding: 100px 30px;
  background-image: url("img/contents_bg1.svg"), url("img/contents_bg2.svg");
  background-position: left top, right bottom;
  background-repeat: no-repeat;
}
@media screen and (max-width: 768px) {
  main #contents {
    padding: 50px 0px;
    background-size: 70% auto;
  }
}
main #contents h2 {
  padding-bottom: 1em;
}
main #contents .flex {
  flex-wrap: wrap;
  max-width: 1160px;
  margin: 0 auto 50px;
}
@media screen and (max-width: 768px) {
  main #contents .flex {
    display: block;
    margin: 0 auto 30px;
  }
}
main #contents .flex figure {
  flex: 0 0 48.3%;
  margin-bottom: 30px;
}
@media screen and (max-width: 768px) {
  main #contents .flex figure {
    margin-bottom: 1px;
  }
}
main #contents .flex figure a {
  display: block;
  position: relative;
}
main #contents .flex figure a::before {
  content: "";
  display: block;
  width: 100%;
  height: 100%;
  background: #000;
  position: absolute;
  left: 0;
  top: 0;
  opacity: 0.4;
}
main #contents .flex figure a p {
  display: block;
  width: 100%;
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  color: #fff;
  text-align: center;
  font-family: "Roboto Slab", serif !important;
  font-weight: 700;
  font-size: 31px;
  line-height: 1;
}
main #contents .flex figure a p small {
  display: block;
  line-height: 1.2;
  font-family: "Noto Sans JP", sans-serif !important;
  font-weight: 400;
  font-weight: 600;
  font-size: 16px;
  padding-top: 0.5em;
}
main #contents .flex figure a span.more {
  position: absolute;
  right: 0;
  bottom: 0;
}
main #contents .flex + p {
  line-height: 2.5;
  max-width: 800px;
  margin: auto;
  text-align: justify;
}
@media screen and (max-width: 768px) {
  main #contents .flex + p {
    padding: 20px;
  }
}