body {
  margin: 0;
  display: flex;
  justify-content: center;
  align-items: center;
}

ul {
  list-style: none;
  padding-left: 0;
}

.example-wrapper {
  margin: 1em auto;
  max-width: 800px;
  width: 95%;
  font: 18px/1.5 sans-serif;
}
.example-wrapper code {
  background: #F5F5F5; padding: 2px 6px;
}
.caption {
  font-size:0.8em;
}
.req {
  font-weight:bold;color:#ff0000;
}
.center {
  text-align:center;
}
.tdTime{
  -webkit-user-select:none;
  user-select:none;" 
}
.tdAttention {
  text-align: left;
  position: relative;
  padding-left: 2em;
}
.tdAttention::before {
  content: '';
  position: absolute;
  left: 10px;
}

@media (min-width : 768px) {
  .title {
    font-size:1.5em;
    font-weight:bold;
  }
  .overview {
    border-radius:1.0em;
    border:1px solid #000000;
    margin: 5px auto;
    padding:20px;
    width:80%;
    text-align:center;
  }
  .btn {
    height: 2em;
    font-size: 1em;
    padding: 0 3em;
  }
}

@media (max-width : 767px) {
  .pcOnly {
    display: none;
  }
  .title {
    font-size:1.5em;
    font-weight:bold;
  }
  .overview {
    text-align:center;
    margin: 0 auto;
    padding: 2em;
    width: 95%;
  }
  .texttype {
    width: 80%;
    height: 1.5em;
  }
  .btn {
    width: 80%;
    height: 2em;
    font-size: 1.5em;
  }
  .tdWeek {
    font-weight: bold;
    text-align: left;
    position: relative;
    padding-left: 50%;
  }
  .tdWeek::before {
    content: attr(data-label);
    position: absolute;
    left: 10px;
    font-weight: bold;
  }
  table, thead, tbody, th, td, tr {
    display: block;
  }
  table {
    width: 100%;
  }
  thead {
    display: none;
  }
  th {
    background-color: #cccccc;
  }
}
