body{
    margin: 0;
  }
  
.header{
    background: #2a83f9;
    height: 80px;
    color: #fff;
    opacity: 0.9;
    font-family: "arial";
    padding-top: 20px;
    text-align: center;
    margin: 0;
    font-weight: bold;
    width: 100%;
    position: fixed;
    z-index: 999;
    top: 0;
    left: 0
  }

  main {
    margin-top: 130px; /* 上の空白を50pxに指定 */
  }


  .space2 {
    line-height: 4em;
  }


  .noline {
    text-decoration:none;
    color: #fff;
    }