@charset "UTF-8";
/* ////////////////////////////
土木部門
//////////////////////////// */

#video_Wrap .txt {
  color: #000;
  font-size: clamp(15px, 1.8666666666666667vw, 18px);
  letter-spacing: 0.03em;
  font-style: normal;
  line-height: 2.5;
  text-align: center;
}
#service_Wrap .bg {
  margin: 0 auto;
  width: 100%;
  height: 100vh;
  background: no-repeat center center / cover;
  background-image: url(../img/civ_bg04.png);
  /* background-size: cover; */
  z-index: -1;
}

/*=========================================================================================================
sp
=========================================================================================================*/
@media screen and (max-width: 767px) {

#video_Wrap .txt {
  line-height: 1.8;
  text-align: left;
}
#service_Wrap .bg {
  /* padding: 100px 0 150px; */
  margin: 0 auto;
  width: 100%;
  height: 100vh;
  background: no-repeat center center / cover;
  background-image: url(../img/civ_bg04.png);
  position: sticky;
  top: 0;
  z-index: -1;
}

}

/* @media screen and (max-width: 450px) {

  #arc_Wrap .gif {
    position: absolute;
    top: 52%;
    left: 0;
    right: 0;
    margin: 0 auto;
    width: 65%;
  }
  #arc_Wrap {
    position: relative;
    height: 83vh;
  }
  } */

/* @media screen and (max-width: 420px) {

  #arc_Wrap .gif {
    position: absolute;
    top: 53%;
    left: 0;
    right: 0;
    margin: 0 auto;
    width: 65%;
  }
  #arc_Wrap {
    position: relative;
    height: 82vh;
  }
  } */

  /* @media screen and (max-width: 390px) {

    #arc_Wrap .gif {
      position: absolute;
      top: 56%;
      left: 0;
      right: 0;
      margin: 0 auto;
    }
    #arc_Wrap {
      position: relative;
      height: 75vh;
    }
    }


@media screen and (max-width: 375px) {

#arc_Wrap .gif {
  position: absolute;
  top: 56%;
  left: 0;
  right: 0;
  margin: 0 auto;
}
#arc_Wrap {
  position: relative;
  height: 90vh;
}
} */