.box-notfound {
  text-align: center;
  padding-bottom: 50px;
}
.box-notfound .ttl-notfound {
  color: #6DA61F;
  font-size: 48px;
  font-weight: bold;
  font-family: 'Roboto', sans-serif;
  margin-bottom: 33px;
}
.box-notfound .subttl-notfound {
  font-weight: bold;
  font-size: 18px;
  margin-bottom: 55px;
}
.box-notfound .txt-notfound {
  line-height: 1.8;
  margin-bottom: 80px;
}
.box-notfound .btn-toppage {
  width: 145px;
  background: #6DA61F;
  margin: 0 auto;
}
.box-notfound .btn-toppage a {
  display: block;
  color: #fff;
  padding: 10px 0;
}
.box-notfound .btn-toppage:hover {
  opacity: 0.7;
}