body {
  background: #F0F0F0;
  //background: skyblue;
}

.total_layout {
  width: 100%;
  //width: 760px;
  max-width: 760px;
  margin: 0 auto;
  padding: 60px 20px 20px 20px;
}

.contents_back {
  position: fixed;
  tpp: 0;
  left:calc(50% - 400px);
  width: 800px;
  height: 100%;
  z-index: -1;
  background: white;
}

.contents-center {
  text-align: center;
}

.contents-left{
  text-align: left;
  padding-left: 45px;
  padding-right: 45px;
}

.contents-left-sub{
  text-align: left;
  padding-left: 30px;
}

h1{
  margin: 20px 0 10px 0;
}

h2{
  margin-top: 0;
  margin-bottom: 2px;
}

h3{
  margin-top: 0;
  margin-bottom: 5px;
}

.title {
  font-size: 2.0em;
}

.subtitle {
  font-size: 1.4em;
}

.right {
  text-align: right;
  padding: 2px 2px;
}

@media screen and (max-width:759px) {
  .total_layout{
    //width: 440px;
    //width: 520px;
    padding: 30px 2px;
  }
  .contents_back {
    left: 0;
    width: 0 auto;
  }
  
  .contents-left{
    text-align: left;
    padding-left: 10px;
    padding-right: 10px;
  }
}