@media only screen and (min-width: 768px) {
  .nav-fixed {
    top: 0px;
    visibility: visible;
  }
  .btn-fixed {
    opacity: 1;
    visibility: visible;
  }
}
#sec1 {
  padding: 16vw 0px 20vw;
}
#sec1 .sec1-img {
  margin: 0px -15% 10vw;
}
#sec1 .sec1-row {
  position: relative;
  padding: 8vw 4%;
  box-sizing: border-box;
}
#sec1 .sec1-row::before, #sec1 .sec1-row::after {
  content: "";
  position: absolute;
  top: 0px;
  left: 0px;
  width: 8vw;
  height: 8vw;
  border-top: 1px solid #fff;
  border-left: 1px solid #fff;
}
#sec1 .sec1-row::after {
  top: auto;
  left: auto;
  bottom: 0px;
  right: 0px;
  border: none;
  border-bottom: 1px solid #fff;
  border-right: 1px solid #fff;
}
#sec1 h2 {
  font-size: 7vw;
  font-weight: 400;
  margin: 0px 4% 6vw;
}
#sec1 h2 span {
  font-size: 6vw;
}
@media only screen and (min-width: 768px) {
  #sec1 {
    padding: 81px 0px 136px;
  }
  #sec1 .sec1-img {
    margin: 0px -149px 90px;
  }
  #sec1 .sec1-row {
    flex-direction: row-reverse;
    padding: 54px 10px 20px;
    margin: 0px -20px;
  }
  #sec1 .sec1-row::before, #sec1 .sec1-row::after {
    width: 40px;
    height: 40px;
  }
  #sec1 h2 {
    font-size: 40px;
    line-height: 65px;
    margin: 0px 54px 0px 10px;
  }
  #sec1 h2 span {
    font-size: 30px;
  }
  #sec1 .sec1-txt {
    height: 350px;
    margin: 49px 0px 0px 70px;
    line-height: 55px;
  }
}

#sec2 {
  background: #000;
  padding: 16vw 0px;
}
#sec2 .sec2-img {
  margin: 0px -15%;
}
#sec2 h2 {
  position: relative;
  z-index: 1;
  margin: -14vw auto 6vw;
  font-size: 7vw;
  font-weight: 400;
}
#sec2 h2 span {
  font-size: 6vw;
}
@media only screen and (min-width: 768px) {
  #sec2 {
    padding: 157px 0px 160px;
  }
  #sec2 .sec2-img {
    width: 1290px;
    margin: 0px -20px 0px -250px;
  }
  #sec2 h2 {
    margin: -80px 0px 0px 105px;
    font-size: 40px;
    line-height: 65px;
  }
  #sec2 h2 span {
    font-size: 30px;
  }
  #sec2 .sec2-txt {
    width: 620px;
    margin: 90px 94px 0px 0px;
  }
}

#sec3 {
  padding: 16vw 0px;
}
#sec3 h2 {
  font-size: 7vw;
  font-weight: 400;
  margin: 0px 6% 6vw;
  text-align: center;
}
#sec3 h2 span {
  font-size: 6vw;
}
#sec3 h2 small {
  font-size: 2.8vw;
  font-weight: 500;
}
#sec3 h2 i {
  display: none;
}
#sec3 .sec3-img2 {
  margin: 8vw auto;
}
@media only screen and (min-width: 768px) {
  #sec3 {
    padding: 166px 0px 167px;
    background: url("../img/concept/sec3_line.png") no-repeat top 395px right;
  }
  #sec3 .sec3-row1, #sec3 .sec3-row2 {
    flex-direction: row-reverse;
  }
  #sec3 .wrap {
    max-width: 1200px;
    padding: 0px 20px;
  }
  #sec3 h2 {
    font-size: 40px;
    line-height: 60px;
    margin: 68px 10px 0px;
    text-align: left;
  }
  #sec3 h2 span {
    font-size: 30px;
  }
  #sec3 h2 small {
    font-size: 13px;
  }
  #sec3 h2 i {
    display: inline-block;
  }
  #sec3 .sec3-img1 {
    width: 962px;
    margin: 0px 0px 0px -100px;
  }
  #sec3 .sec3-row2 {
    margin: 70px 0px 0px;
  }
  #sec3 .sec3-img2 {
    width: 631px;
    margin: 0px -40px 0px 0px;
  }
  #sec3 .sec3-txt {
    width: 422px;
    margin: 40px 26px 0px;
    line-height: 55px;
  }
}
@media screen and (min-width: 768px) and (max-width: 1200px) {
  #sec3 h2 {
    margin-right: 30px;
  }
}

.bg-sec {
  position: relative;
  margin: 18vw 0px 0px;
  background: rgba(0, 0, 0, 0.6);
}
.bg-sec::before {
  content: "";
  position: absolute;
  top: -18vw;
  left: 0px;
  width: 100%;
  height: 18vw;
  background: url("../img/concept/sec4_bg1_sp.png") top center/100% 100%;
}
@media only screen and (min-width: 768px) {
  .bg-sec {
    margin: 272px 0px 0px;
  }
  .bg-sec::before {
    top: -272px;
    height: 272px;
    background-image: url("../img/index/sec3_bg1.png");
  }
}

#sec4 {
  padding: 4vw 0px 16vw;
}
#sec4 h2 {
  text-align: center;
  font-weight: 400;
  font-size: 7vw;
}
#sec4 h2 span {
  font-size: 2.8vw;
  font-weight: 500;
}
#sec4 .sec4-img {
  margin: 8vw -10%;
}
#sec4 h3 {
  font-size: 6vw;
  font-weight: 400;
  margin: 0px 0px 6vw;
}
#sec4 h3 span {
  font-size: 7vw;
}
@media only screen and (min-width: 768px) {
  #sec4 {
    padding: 40px 0px 112px;
  }
  #sec4 h2 {
    font-size: 40px;
    line-height: 70px;
  }
  #sec4 h2 span {
    font-size: 13px;
  }
  #sec4 .sec4-img {
    margin: 76px -250px 0px 148px;
  }
  #sec4 .sec4-box {
    width: 690px;
    margin: -248px 0px 0px;
    position: relative;
    z-index: 1;
  }
  #sec4 h3 {
    font-size: 30px;
    line-height: 60px;
    margin: 0px 0px 40px;
  }
  #sec4 h3 span {
    font-size: 40px;
  }
}

#sec5 {
  padding: 0px 0px 20vw;
}
#sec5 h2 {
  text-align: center;
  font-size: 7vw;
  font-weight: 400;
}
#sec5 h2 span {
  font-size: 6vw;
}
#sec5 h2 i {
  display: none;
}
#sec5 .sec5-img1 {
  margin: 8vw auto 8vw;
}
#sec5 .sec5-img2 {
  width: 90%;
  margin: 0px auto;
}
#sec5 h3 {
  font-size: 6vw;
  font-weight: 400;
  margin: 4vw 5% 0px;
}
#sec5 .sec5-map {
  width: 95%;
  margin: 10vw auto 0px;
}
@media only screen and (min-width: 768px) {
  #sec5 {
    padding: 0px 0px 184px;
  }
  #sec5 h2 {
    text-align: left;
    font-size: 40px;
    line-height: 65px;
    margin: 21px 20px 0px 20px;
  }
  #sec5 h2 span {
    font-size: 30px;
  }
  #sec5 h2 i {
    display: inline;
  }
  #sec5 .sec5-row1 {
    flex-direction: row-reverse;
  }
  #sec5 .sec5-img1 {
    width: 819px;
    margin: 0px 0px 0px -30px;
  }
  #sec5 .sec5-box1 {
    width: 393px;
    margin: 34px 0px 0px;
  }
  #sec5 .sec5-map {
    width: 580px;
    margin: -102px -20px 0px 0px;
  }
  #sec5 .sec5-img2 {
    width: 100%;
    margin: 0px;
  }
  #sec5 h3 {
    font-size: 25px;
    margin: 13px 30px 0px;
  }
}/*# sourceMappingURL=concept.css.map */