@charset "Shift_JIS";
.square_btn{
    display: inline-block;
    padding: 0.5em 1em;
    text-decoration: none;
    background: #a9a9a9;/*ボタン色*/
    color: #000;
    border-bottom: solid 4px #627295;
    border-radius: 3px;
    font-size: 16px;
}
.square_btn:active {/*ボタンを押したとぁE/
    -ms-transform: translateY(4px);
    -webkit-transform: translateY(4px);
    transform: translateY(4px);/*下に動く*/
    border-bottom: none;/*線を消す*/
}
.btn-flat-logo {
  position: relative;
  display: inline-block;
  font-weight: bold;
  padding: 0.25em 0.5em;
  text-decoration: none;
  color: #000;
  background: #fdd35c;
  transition: .4s;
}

.btn-flat-logo:hover {
  background: #ea5549;
}