/* お問い合わせボタン */
.c-btn {
  background: #00736e;
  border: 2px solid #fff;
  border-radius: 10px;
  display: block;
  font-weight: bold;
  max-width: 30%;
  padding: 1% 1%;
  text-align: center;
  transition: 1s;
}
.c-btn span{
  color: #fff;
  font-size: x-large;
  font-weight: bold;
  letter-spacing: 0.06em;
  transition: 1s;
}
.c-btn:hover {
  background: #fff;
}
.c-btn:hover span{
  color: #00736e;
}
/* インスタその他ボタン */
.c-btn2 {
  background: #5aa091;
  border: 3px solid #448ac9;
  /* 角丸サイズ */
  border-radius: 10px;
  display: block;
  font-weight: bold;
  max-width: 20%;
  padding: 0.5em 3em;
  text-align: center;
  transition: 0.5s;
}
/* 文字の色とサイズ */
.c-btn2 span{
  color: #5aa091;
  font-size: x-large;
  font-weight: bold;
  letter-spacing: 0.06em;
  transition: 0.5s;
}
.c-btn2:hover {
  background: #fff;
}
.c-btn2:hover span{
  color: #FFF;
}
.c-btn2.slide {
  background: #fff;
  border: 3px solid #5aa091;
  color: #FFF;
  overflow: hidden;
  position: relative;
  z-index: 1;
}
.c-btn2.slide::after {
  background: #5aa091;
  position: absolute;
  top: 0;
  left: 0;
  content: '';
  width: 100%;
  height: 100%;
  transform: scale(0, 1);
  transform-origin: left top;
  transition: .2s cubic-bezier(0.45, 0, 0.55, 1);
  z-index: -1;
}
.c-btn2.slide:hover {
  color: #fff;
}
.c-btn2.slide:hover::after {
  transform: scale(1, 1);
}