body {
    margin: 0;
    padding: 0;
    background: #E8F5E9;
    position: relative;
    overflow-x: hidden;
}

.container {
    position: relative;
    width: 960px;
    height: 540px;
    background: #000;
}

.rect {
    width: 100px;
    height: 100px;
    display: block;
    position: absolute;
    background: white;
    top: 200px;
}

#top_c{
  background-color: #fff;
  writing-mode:vertical-rl;
  text-align: center;
  width: 180px;
  margin: auto;
}

#top_addr{
  text-align: center;
}

#clover{
  position: relative;
  text-align: center;
}

#mail_form{
  position: absolute;
  z-index: 100;
  width: 100%;
  text-align: center;
  margin: auto;
}

@media screen and (max-width:500px){
  #gaiyou img{width: 100%;}
}