h2 {
   font-size: 20px;
   text-align: center;
}

/*ボックス全体*/
.accbox {
    margin: 2em 0;
    padding: 0;
    width: 100%;
}

/*ラベル*/
.accbox label {
    display: block;
    margin: 1.5px 0;
    padding : 13px 12px;
    color: #000000;
    font-weight: bold;
    background: #ffffff;
    cursor :pointer;
    transition: all 0.5s;
}

/*アイコンを表示*/
.accbox label:before {
    content: '\f067';
    font-family: 'Font Awesome 5 Free';
    padding-right: 8px;
}

/*ラベルホバー時*/
.accbox label:hover {
    background :#;
}

/*チェックは隠す*/
.accbox input {
    display: none;
}

/*中身を非表示にしておく*/
.accbox .accshow {
    height: 0;
    padding: 0;
    overflow: hidden;
    opacity: 0;
    transition: 0.8s;
}

/*クリックで中身表示*/
.cssacc:checked + label + .accshow {
    height: auto;
    padding: 5px;
    background: #f5f5f5;
    opacity: 1;
}

.accbox .accshow p {
    margin: 15px 10px}

/*アイコンを入れ替える*/
.cssacc:checked + label:before {
    content: '\f068';
}

.btn-flat-dashed-border {
  display: inline-block;
  padding: 1em;
  margin: 5px;
  text-decoration: none;
  color: #808080;
  border: dashed 1px #808080;
  border-radius: 3px;
  transition: .4s;
}

.btn-flat-dashed-border:hover {
  border-style: dotted;
  color: #679efd;
}