@charset "utf-8";
h2 {
  font-size: 2.1rem;
  letter-spacing: 2px;
  margin-bottom: 25px;
}
#concept {
  margin: 50px auto 0;
}
.leadTxt {
  line-height: 2.1;
  margin: 70px auto;
}
.bgGray {
  display: table;
  margin: -50px 0 50px auto;
  z-index: 10;
  position: sticky;
  box-sizing: border-box;
  padding: 10px 8%;
}
.conceptImg{
	width: 100%;
}
@keyframes infinity-scroll-left {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-100%);
  }
}
.scroll-infinity__wrap {
  display: flex;
  overflow: hidden;
  margin: 80px 0;
}
.scroll-infinity__list {
  display: flex;
  list-style: none;
  padding: 0
}
.scroll-infinity__list li {
  margin: 0 5px;
  width: 100px;
}
.scroll-infinity__list--left {
  animation: infinity-scroll-left 30s infinite linear 0.5s both;
}
.scroll-infinity__item {
  width: calc(100vw / 6);
}
.scroll-infinity__item > img {
  width: 100%;
}
.conceptBox {
  margin: 100px auto;
}
.conceptBox .conceptCol {
  margin-bottom: 80px;
}
.conceptBox .conceptCol h2 {
  margin: 0 0 -30px auto;
  font-size: 1.6rem;
  font-weight: 100;
  padding: 15px 10%;
}
.conceptBox .conceptCol p {
  margin: 15px auto;
  line-height: 1.7;
}
.conceptBox .conceptCol img {
  width: 70%;
}
@media screen and (max-width: 768px) {
  .conceptBox .conceptCol:nth-of-type(2n) h2 {
    margin: 0 auto -30px 0;
  }
  .conceptBox .conceptCol:nth-of-type(2n) img {
    margin-left: 30%;
  }
}
@media screen and (min-width: 769px) {
  h2 {
    font-size: 3rem;
  }
  .leadTxt {
    line-height: 3;
    margin: 150px auto;
    font-size: 1.1rem;
    letter-spacing: 1px;
  }
  .scroll-infinity__wrap {
    margin: 250px 0;
  }
  .scroll-infinity__list li {
    margin: 0 15px;
    width: 250px;
  }
    #main {
        margin-top: 120px;
    }
  .conceptBox {
    margin: 250px auto;
  }
  .conceptBox .conceptCol {
    position: relative;
    margin-bottom: 150px;
  }
  .conceptBox .conceptCol img {
    width: 35%;
  }
  .conceptBox .conceptCol h2 {
    position: absolute;
    right: 0;
    width: 50%;
    text-align: center;
  }
  .conceptBox .conceptCol p {
    width: 50%;
    position: absolute;
    right: 0;
    top: 150px;
    line-height: 2.5;
  }
}