/*ボタン*/
.btn-square {
  position: relative;
  display: inline-block;
  padding: 0.25em 0.5em;
  text-decoration: none;
  color: #FFF;
  background: #fd9535;/*背景色*/
  border-bottom: solid 2px #d27d00;/*少し濃い目の色に*/
  border-radius: 4px;/*角の丸み*/
  box-shadow: inset 0 2px 0 rgba(255,255,255,0.2), 0 2px 2px rgba(0, 0, 0, 0.19);
  font-weight: bold;
}

.btn-square:active {
  border-bottom: solid 2px #fd9535;
  box-shadow: 0 0 2px rgba(0, 0, 0, 0.30);
}

.contact {
  padding: 0.25em 0.5em;/*上下 左右の余白*/
  background: transparent;/*背景透明に*/
  border-left: solid 5px #3bb1c1;/*左線*/
}