body {
  background-color: #eef2f3;
  background-size: contain;
  background-image: url('../images/10.jpg'); 
  background-position: right bottom;
  background-repeat: no-repeat;
  background-attachment: fixed;
}

a {
  color: #111111;
}

ul, li {
  list-style-type: none;
  margin-left: 5px;
}

ul{
 margin-left: 0;
 padding-left: 0.75em;
 text-indent:  0;
}

h1 {
  font-size: 15px;
  margin-top: 10px;
}

h2, h3, h4, h5 {
  font-size: 14px;
  margin-top: 10px;
  }

.menu-div-position{
  margin-top: 40px;
  margin-left: 30px;
  margin-right: 30px;
}

.information-h2-position {
  margin-top: 10px;
  margin-bottom: 0;
}

.profile-area-div-position {
  padding: 10px 20px 20px 20px;
  margin-top: 50px;
  margin-left: 25px;
  margin-right: 25px;
  margin-bottom: 25px;
  max-width: 340px;
}

.information-area-div-position {
  padding: 10px 20px 10px 20px;
  margin-top: 20px;
  margin-left: 25px;
  margin-right: 25px;
  max-width: 340px;
}

@media screen and (min-width: 640px){

  body{
    font: 12px "游ゴシック体", "Yu Gothic", YuGothic, "Lucida Grande", Helvetica, Arial, sans-serif;
  }

  .information-area-div-color {
    background-color: rgba( 250, 250, 250, 0.55 );
    color: #222222;
  }

  .information-h2-font{
    font-size: 15px;
  }

  .information-h2-sub-font{
    font-size: 12px;
  }
  .exhibition-term{
    margin-left: 10px;
    margin-bottom: 0px;
  }

  .exhibition-place{
    margin-left: 15px;
    margin-top: 0px;
  }

  .menu-div-font{
    font-family: 'Orbitron';
  }

}

@media screen and (max-width:640px){
  body{
    font: 1.11em "游ゴシック体", "Yu Gothic", YuGothic, "Lucida Grande", Helvetica, Arial, sans-serif;
  }

  .menu-div-font{
    font-size: 1.35em;
    font-family: 'Orbitron';
  }

  .information-area-div-color {
    background-color: rgba( 250, 250, 250, 0.82 );
    color: #222222;
  }

  .information-h2-font{
    font-size: 1.45em;
  }

  .information-h2-sub-font{
    font-size: 0.75em;
  }
}