.header-box {
  overflow: hidden;
}
.header-box:before {
  bottom: -51vw;
}

#sec1::before,
.header-box::before {
  content: '';
  position: absolute;
  right: -3vw;
  width: 90vw;
  height: 67vw;
  background: url(../img/concept/s1_deco.png) no-repeat center top;
  background-size: contain;
  z-index: 2;
}

/*--------------------------------------
    sec1
--------------------------------------*/
#sec1 {
  padding: 24vw 0 35vw;
}
#sec1:before {
  top: -16vw;
  z-index: -1;
}
#sec1 .row {
  gap: 7vw;
}
#sec1 .row .content h2 {
  margin: 0 4vw 6vw;
}

/*--------------------------------------
    sec2
--------------------------------------*/
#sec2 {
  position: relative;
  z-index: 1;
}
#sec2:before {
  content: '';
  position: absolute;
  top: -37vw;
  right: 0;
  width: 50%;
  height: 94vw;
  background: url(../img/concept/s2_deco.png) no-repeat center top;
  background-size: contain;
  z-index: -1;
}
#sec2 .row {
  flex-direction: row;
  align-items: center;
}
#sec2 .row h2 {
  margin: 0 -10vw 0 0;
  position: relative;
  z-index: 2;
}
#sec2 .row h2:before {
  content: '';
  position: absolute;
  top: 38vw;
  left: 2vw;
  width: 1px;
  height: 91vw;
  background: #fff;
}
#sec2 .row .photo {
  margin-right: -23vw;
}
#sec2 .s2-js {
  margin-top: 10vw;
  position: relative;
  z-index: 3;
}
#sec2 .s2-js .slick-slide {
  margin: 0 10px;
}
#sec2 .s2-js p {
  height: 60vw;
}
#sec2 .s2-js p img {
  width: auto;
  height: 100%;
  object-fit: cover;
}

/*--------------------------------------
    sec3
--------------------------------------*/
#sec3 {
  padding: 20vw 0 0vw;
  position: relative;
  z-index: 2;
}
#sec3 .content {
  padding: 10vw 4%;
  background: var(--bg2);
  color: #000;
  position: relative;
}
#sec3 .content h2 {
  width: 70%;
  margin-bottom: 6vw;
}
#sec3 .photo {
  position: relative;
  z-index: 2;
}
#sec3 .row1 .photo {
  position: relative;
}
#sec3 .row1 .photo span {
  position: absolute;
  z-index: 2;
}
#sec3 .row1 .photo span.ttl1 {
  top: 7vw;
  left: 31vw;
  width: 23vw;
}
#sec3 .row1 .photo span.ttl2 {
  top: 17vw;
  left: 4vw;
  width: 25vw;
}
#sec3 .row1 .photo span.ttl3 {
  left: 17vw;
  width: 27vw;
  bottom: 10vw;
}
#sec3 .row1 .photo span.ttl4 {
  top: 29vw;
  right: 3vw;
  width: 25vw;
}
#sec3 .row1 .content:before {
  content: '';
  position: absolute;
  top: -12vw;
  right: 5vw;
  width: 24vw;
  height: 25vw;
  background: url(../img/concept/s3_deco.png) no-repeat center top;
  background-size: contain;
}
#sec3 .row2 {
  margin-top: 10vw;
}
#sec3 .row2 .content {
  margin: -5vw -2% 0;
  padding-top: 15vw;
}

/*--------------------------------------
    sec4
--------------------------------------*/
#sec4 {
  padding-bottom: 15vw;
  margin-top: -20vw;
}
#sec4 .bg {
  margin: 0 -25vw 0 -12vw;
}
#sec4 .content {
  position: relative;
}
#sec4 .content:before {
  content: '';
  position: absolute;
  top: -12vw;
  right: 5vw;
  width: 24vw;
  height: 25vw;
  background: url(../img/concept/s4_deco.png) no-repeat center top;
  background-size: contain;
}
#sec4 .content h2 {
  width: 75%;
  margin-bottom: 6vw;
}
#sec4 .bnr {
  margin: 9vw -2% 0;
}

/*--------------------------------------
    PC
--------------------------------------*/
@media screen and (min-width: 768px) {
  .header-box:before {
    bottom: -510px;
  }
  #sec1:before,
  .header-box:before {
    width: 627px;
    height: 540px;
    right: calc(50% - 620px);
    opacity: 0.8;
  }
  /*--------------------------------------
        sec1
    --------------------------------------*/
  #sec1 {
    padding: 149px 0 146px;
    position: relative;
    z-index: 2;
  }
  #sec1:before {
    top: -30px;
  }
  #sec1 .row {
    max-width: 1104px;
    gap: 20px;
    justify-content: space-between;
  }
  #sec1 .row .photo {
    margin-left: -109px;
  }
  #sec1 .row .content {
    width: 502px;
  }
  #sec1 .row .content h2 {
    margin: 79px 0 55px -2px;
  }
  #sec1 .row .content .txt {
    line-height: 50px;
    text-align: justify;
  }
  /*--------------------------------------
    sec2
  --------------------------------------*/
  #sec2:before {
    width: 437px;
    height: 721px;
    top: -374px;
  }
  #sec2 .wrap {
    max-width: 1160px;
  }
  #sec2 .row {
    justify-content: start;
  }
  #sec2 .row h2 {
    margin: -16px -57px 0 0;
    min-width: 215px;
  }
  #sec2 .row h2:before {
    top: 329px;
    left: 23px;
    width: 1px;
    height: 553px;
  }
  #sec2 .row .photo {
    margin-right: 0;
  }
  #sec2 .s2-js {
    margin-top: 63px;
  }
  #sec2 .s2-js .slick-slide {
    margin: 0 25px;
  }
  #sec2 .s2-js p {
    height: 280px;
  }
  /*--------------------------------------
    sec3
  --------------------------------------*/
  #sec3 {
    padding-top: 168px;
  }
  #sec3 .wrap {
    max-width: 1240px;
  }
  #sec3 .row .content {
    padding: 116px 0 0;
  }
  #sec3 .row .content .inner {
    width: 420px;
    margin: 0 auto;
  }
  #sec3 .row .content h2 {
    width: auto;
    margin-bottom: 39px;
  }
  #sec3 .row .content .txt {
    line-height: 50px;
  }
  #sec3 .row1 {
    gap: 1px;
  }
  #sec3 .row1 .photo {
    width: 50vw;
    margin-left: -73px;
    height: 630px;
  }
  #sec3 .row1 .photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  #sec3 .row1 .photo span.ttl1 {
    top: 62px;
    left: 33.7%;
    width: 132px;
  }
  #sec3 .row1 .photo span.ttl2 {
    top: 152px;
    left: 9.9%;
    width: 132px;
  }
  #sec3 .row1 .photo span.ttl3 {
    left: 21%;
    width: 152px;
    bottom: 91px;
  }
  #sec3 .row1 .photo span.ttl4 {
    top: 248px;
    right: 4%;
    width: 132px;
  }
  #sec3 .row1 .content {
    max-width: 562px;
    width: 562px;
  }
  #sec3 .row1 .content:before {
    width: 137px;
    height: 141px;
    top: -91px;
    right: 17px;
  }
  #sec3 .row2 {
    margin-top: 140px;
    flex-direction: row-reverse;
    margin-left: 20px;
    align-items: center;
  }
  #sec3 .row2 .content {
    margin: 0 -48px 0 0;
    padding-bottom: 65px;
    width: 672px;
  }
  #sec3 .row2 .content .inner {
    width: 474px;
  }
  #sec3 .row2 .content .txt {
    margin-right: 50px;
  }
  #sec3 .row2 .photo {
    margin-right: -94px;
  }
  /*--------------------------------------
    sec4
  --------------------------------------*/
  #sec4 {
    margin-top: 179px;
    padding-bottom: 118px;
    position: relative;
  }
  #sec4 .wrap {
    max-width: 1200px;
  }
  #sec4 .bg {
    position: absolute;
    top: -334px;
    z-index: -1;
    left: calc(50% - 901px);
    margin: 0;
  }
  #sec4 .content {
    width: 527px;
    margin-left: auto;
  }
  #sec4 .content .txt {
    text-align: justify;
  }
  #sec4 .content:before {
    width: 119px;
    height: 157px;
    top: -110px;
    right: 23px;
  }
  #sec4 .content h2 {
    width: auto;
    margin-bottom: 45px;
  }
  #sec4 .bnr {
    margin: 231px 0 0;
    text-align: center;
  }
}
@media (min-width: 768px) and (max-width: 1400px) {
  #sec3 .row1 .photo {
    margin-left: 0;
  }
  #sec3 .row1 .content {
    width: calc(100% - 50vw);
  }
  #sec3 .row2 {
    margin-left: 0;
  }
}

/*# sourceMappingURL=concept.css.map */