/* アイコンサイズ */
.material-icons.md-18 { font-size: 18px; }
.material-icons.md-24 { font-size: 24px; }
.material-icons.md-36 { font-size: 36px; }
.material-icons.md-48 { font-size: 48px; }
.material-icons.md-60 { font-size: 60px; }
.material-icons.md-80 { font-size: 80px; }
.material-icons.md-100 { font-size: 100px; }

.company_nm {
  font-size: 85px;
  letter-spacing: 5px;
}

.btn_contact {
  height: 75px;
  border-style: solid;
  border-width: 1px;
  border-color: #000;
  border-radius: 10px;
}

.btn_contact:hover {
  height: 75px;
  background-color: #000;
  border-radius: 10px;
  text-decoration: none;
}

.btn_contact:hover .text_contact {
  color: #fff;
}

.text_contact {
  color: #000;
}