body{
  margin: 0;
  padding: 0;
  text-align: center;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  position: relative;
  font-family: "Sawarabi Mincho";
  background-color: #fffffc;
}
h2,h3,p{
  color: #606060;
}
footer{
  width: 100%;
  background-color: white;
  display: flex;
  flex-direction: row;
}
.guide_p{
  color: #303030;
  font-size: 1.2em;
}
.guide{
  background-image: url("back_image.PNG");
  background-size: cover;
  background-color: #fdeff2;
}
.tour_video{
  min-width: 300px;
}
.tour_title{
  position: relative;
  display: block;
  padding: 30px;
}
.tour_title:before{
  content: "";
  margin-top: -10px;
  display: block;
  position: absolute;
  width: 5%;
  border-top: solid 2px #808080;
  transition: 1s ease-in-out;
  left: 0;
}
.tour_title:after{
  content: "";
  margin-top: 10px;
  display: block;
  position: absolute;
  width: 5%;
  border-top: solid 2px #808080;
  transition: 1s ease-in-out;
  right: 0;
}
.tour_title:hover:before{
  width: 70%;
  left: 15%
}
.tour_title:hover:after{
  width: 70%;
  right: 15%;
}

@media screen and (orientation: landscape){
  .side{
    display: flex;
    flex-flow: row nowrap;
  }
  .tour{
    flex: auto;
    padding: 5vh;
  }
  .tour_title{
    margin: 10px;
    padding: 10px;
    position: relative;
    display: block;
  }
  .tour_title:after{
    content: "";
    margin-top: 10px;
    display: block;
    position: absolute;
    width: 5%;
    border-top: solid 2px #808080;
    transition: 1s ease-in-out;
    right: 0;
  }
  .tour_title:hover:before{
    width: 90%;
    left: 5%
  }
  .tour_title:hover:after{
    width: 90%;
    right: 5%;
  }
}
