.c-btnPush {
  display: block;
  max-width: 160px;
  width: 100%;
  padding: 8px 16px;
  background-color: #fff;
  border-radius: 100px;
  text-align: center;
  box-shadow: #ccc 0px 4px 0px;
  transition: 0.5s ease;
  color: #000;
}

.c-btnPush:hover {
  box-shadow: #ccc 0px 0px 0px;
  transform: translateY(4px);
}

.c-btnPush span {
  /* 文字を少し歪ませる */
  transform: scaleY(0.95);
}