div.topVisual {
  z-index: 2;
  position: relative;
}

div.content div.intro {
  position: relative;
  padding-bottom: 20px;
  margin-bottom: 20px;
  z-index: 1;
  background-color: white;
}

div.content div.intro  p {
  text-align: center;
  font-weight: 600;
  padding: 0 15px;
}

div.intro div.sideimg {
  height: 0;
  top: -10px;
  position: relative;
}

div.intro div.sideimg img.left,
div.intro div.sideimg img.right {
  transition: 0.5s;
  width: 35%;
  height: 400px;
  object-fit: cover;
  position: absolute;
  z-index: -1;
  opacity: 0.6;
}

img.left {
  left: 0;
  object-position: 100% 0;
}

img.right {
  right: 0;
  object-position: 0 0;
}


@media screen and (max-width: 750px){

  div.intro div.sideimg img.left,
  div.intro div.sideimg img.right {
    height: 300px;
    width: 40%;
  }

  div.intro div.sideimg img.left,
  div.intro div.sideimg img.right {
    height: 270px;
  }
}

@media screen and (max-width: 550px){
  div.intro div.sideimg img.left,
  div.intro div.sideimg img.right {
    height: 230px;
    width: 50%;
  }


}

@media screen and (max-width: 390px){
  div.intro div.sideimg img.left,
  div.intro div.sideimg img.right {
    height: 280px;
  }
}


div.service {
  position: relative;
  background-color: #eee;
  z-index: 0;
}

div.service div.s-intro p {
  text-align: center;
  font-weight: 600;
}

div.service div.s-content {
  padding: 0 10%;
}

div.s-box {
  position: relative;
  margin-top: 60px;
}

div.s-box div.textbox {
  background-color: #fffc;
  width: calc( 60% - 40px);
  position: absolute;
  top: 60px;
  z-index: 1;
  padding: 20px;
  transition: 0.5s;
}

div.s-box:hover div.textbox {
  top: 45px;
}

div.s-box div.textbox h1 {
  text-align: left;
  padding: 0;
  font-style: italic;
  font-size: 20px;
}

div.s-box div.textbox p {
  font-size: 18px;
  margin: 5px 0;
}

div.s-box div.textbox a {
  text-decoration: none;
  font-size: 20px;
  width: 130px;
  height: 40px;
  line-height: 40px;
  text-align: center;
  border-radius: 10px;
  display: block;
  transition: 0.2s;
  margin: 10px;
  background-color: #fff;
  color: black;
  border: 2px black solid;

}


div.s-box div.textbox a:first-of-type {
  width: 70px;
}

div.s-box div.textbox a:hover {
  border: 3px black solid;
}

div.s-box div.box-image {
  position: relative; 
  width: 90%;
  z-index: 0;
}

div.s-box.l div.textbox {
  left: 0;
  box-shadow: 2px 2px 5px black;
}

div.s-box.r div.textbox {
  left: 40%;
  box-shadow: -2px 2px 5px black;
}

div.s-box.l div.box-image {
  left: 10%;
}

div.s-box.r div.box-image {
  left: 0;
}

div.s-box div.box-image img {
  width: 100%;
}

@media screen and (max-width: 1000px){
  div.service div.s-content {
    padding: 0;
  }


  div.s-box div.textbox {
    width: calc( 70% - 40px);
    top: 60px;
    padding: 20px;
    margin: 0 20px;
  }

  div.s-box.r div.textbox {
    left: calc(30% - 40px);
  }

}

@media screen and (max-width: 750px){
  div.s-box {
    margin: 0px;
  }

  div.s-box.l div.textbox,
  div.s-box.r div.textbox {
    width: calc(100% - 40px);
    position: unset;
    padding: 20px;
    margin: 0;
  }

  div.s-box:hover div.textbox {
    top: 0;
  }

  div.s-box div.box-image {
    display: none;
  }

  div.s-box.tosou {
    background-image: url('../img/service/tosou.jpg');
  }

  div.s-box.bousui {
    background-image: url('../img/service/bousui.jpg');
  }

  div.s-box.yane {
    background-image: url('../img/service/yane.jpg');
  }

  div.s-box.ceiling {
    background-image: url('../img/service/ceiling.jpg');
  }

  div.s-box.reform {
    background-image: url('../img/service/reform.jpg');
  }

  div.s-box {
    background-repeat: no-repeat;
    background-size: cover;
    margin: 20px;
  }

  div.s-box.r div.textbox,
  div.s-box.l div.textbox {
    background-color: #0008;
    color: white;
    box-shadow: 0 3px 5px black;
  }

  div.s-box div.textbox a {
    margin: 10px auto;
  }

  div.s-box div.textbox h1 {
    text-align: center;
    text-shadow: 1px 1px 3px black;
  }

  div.s-box div.textbox p {
    text-shadow: 1px 1px 3px black;
  }

}

@media screen and (max-width: 550px){
  div.s-box div.textbox p {
    font-size: 16px;
    padding-top: 20px;
  }

  div.s-box div.textbox a {
    font-size: 16px;
    width: 110px;
    height: 40px;
    line-height: 40px;
  }
  
  
  div.s-box div.textbox a:first-of-type {
    width: 60px;
  }
}