@charset "UTF-8";
/*タイトル ========================================================================*/
#main .ttl_main.u15_u16_u18 h1 {
  background: linear-gradient(-90deg, rgba(0, 0, 0, .1) 50%, rgba(0, 0, 0, .9)) 50%, url(../img/ttl_u15_u16_u18.jpg) no-repeat center center / cover;
}
h2 {
  text-align: left;
  line-height: 30px;
}
h2 .en {
  display: block;
  margin-left: -12px;
}
h2 .sub {
  display: block;
  font-size: 18px;
  margin-top: 5px;
}
section {
  text-align: justify;
  text-justify: inter-ideograph;
}
section section {
  margin-bottom: 50px;
}
figure {
  margin: 0;
}
figure img {
  width: 100%;
}
figcaption {
  font-size: 12px;
}
.bold {
  font-weight: bold;
}
h3 {
  font-size: 18px;
  margin: 0;
}
.inner02 {
  display: flex;
  justify-content: space-between;
}
.inner03 {
  flex-direction: row-reverse;
}
.inner02 figure {
  width: 48.5%;
  margin: 0;
}
.inner02 .txt {
  width: 48.5%;
}
.inner04 {
  display: flex;
  justify-content: space-between;
}
.inner04 .left {
  width: 48.5%;
}
.inner04 .right {
  width: 48.5%;
}
.inner04 .left .txt {
  margin-bottom: 50px;
}
.inner05 {
  align-items: center;
  flex-direction: row-reverse;
  margin-bottom: 20px;
}
.inner05 figure {
  width: 28.5%;
  margin: 0;
}
.inner05 .txt {
  width: 68.5%;
}
/*ユーチューブ埋め込み*/
.video {
  width: 100%;
  padding-bottom: 56.25%;
  height: 0;
  position: relative;
}
.video iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}
.figure_box {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}
.figure_box figure {
  width: 48.5%;
}
.design {
  border: solid 1px #ccc;
  padding: 20px 3%;
}
.figure_box02 figure {
  display: flex;
}
.figure_box02 img {
  width: 31%;
  margin: 0 1%;
}
.symbol_box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border: solid 1px #ccc;
  padding: 10px 5% 10px 0;
  margin-bottom: 30px;
}
.symbol_box figure {
  width: 50%;
}
.symbol_box p {
  width: 50%;
}
.symbol_box02 figure {
  border: solid 1px #ccc;
  padding: 10px 5%;
}
figure figcaption {
  margin-bottom: 30px;
}
@media screen and (max-width:1050px) {
  h3 {
    font-size: 17px;
  }
  section section {
    margin-bottom: 30px;
  }
  .inner02 {
    display: block;
  }
  .inner02 figure {
    width: auto;
  }
  .inner02 .txt {
    width: auto;
  }
  .inner04 {
    display: block;
  }
  .inner04 .left {
    width: auto;
  }
  .inner04 .left .txt {
    margin-bottom: 20px;
  }
  .inner04 .right {
    width: auto;
  }
  .inner05 {
    display: block;
  }
  .inner05 figure {
    width: 250px;
    margin: 0 auto;
  }
  .inner05 .txt {
    width: auto;
  }
  .figure_box {
    display: block;
  }
  .design {
    padding: 20px 5%;
  }
  .figure_box figure {
    width: auto;
  }
  .figure_box02 figure {
    display: block;
  }
  .figure_box02 img {
    width: 100%;
    margin: 0 auto 5px;
  }
  figure figcaption {
    margin-bottom: 20px;
  }
  .symbol_box {
    margin-bottom: 20px;
  }
  .symbol_box02 figure {
    padding: 5px 5% 5px 0;
  }
}