/*まずはお決まりのボックスサイズ算出をborer-boxに */
*,
*:before,
*:after {
  -webkit-box-sizing: inherit;
  box-sizing: inherit;
}

.btn,
a.btn,
button.btn {
  font-size: 1.6rem;
  font-weight: 700;
  line-height: 1.5;
  position: relative;
  display: inline-block;
  padding: 1rem 4rem;
  cursor: pointer;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  -webkit-transition: all 0.3s;
  transition: all 0.3s;
  text-align: center;
  vertical-align: middle;
  text-decoration: none;
  letter-spacing: 0.1em;
  color: #212529;
  border-radius: 0.5rem;
}

/*主な共通部分は省略*/

a.btn-border {
  border: 2px solid #000;
  border-radius: 0;
  background: #fff;
  -webkit-box-shadow: 4px 4px 0 #000;
  box-shadow: 4px 4px 0 #000;
}

a.btn-border:hover {
  -webkit-box-shadow: -4px -4px 0 #000;
  box-shadow: -4px -4px 0 #000;
}


html {
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
  font-size: 70.5%;/*rem算出をしやすくするために*/
}




@import "https://use.fontawesome.com/releases/v5.13.0/css/all.css";

*,
*:before,
*:after {
  -webkit-box-sizing: inherit;
  box-sizing: inherit;
}

html {
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
  font-size: 78.5%;
}

.btn,
a.btn,
button.btn {
  font-size: 1.6rem;
  font-weight: 700;
  line-height: 1.5;
  position: relative;
  display: inline-block;
  padding: 1rem 4rem;
  cursor: pointer;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  -webkit-transition: all 0.3s;
  transition: all 0.3s;
  text-align: center;
  vertical-align: middle;
  text-decoration: none;
  letter-spacing: 0.1em;
  color: #212529;
  border-radius: 0.5rem;
}

.btn-wrap {
  margin: 60px 0 0 20px;
}

a.btn-c {
  font-size: 2.2rem;

  position: relative;

  padding: 0.25rem 2rem 1.5rem 3.5rem;

  color: #fff;
  background: #32b16c;
  -webkit-box-shadow: 0 5px 0 #2c9d60;
  box-shadow: 0 5px 0 #2c9d60;
}

a.btn-c span {
  font-size: 1.5rem;

  position: absolute;
  top: -10px;
  left: calc(50% - 150px);

  display: block;

  width: 300px;
  padding: 0.2rem 0;

  color: #32b16c;
  border: 2px solid #32b16c;
  border-radius: 0.5rem;
  background: #fff;
  -webkit-box-shadow: 0 3px 3px rgba(0, 0, 0, 0.2);
  box-shadow: 0 3px 3px rgba(0, 0, 0, 0.2);
}

a.btn-c:hover {
  -webkit-transform: translate(0, 3px);
  transform: translate(0, 3px);

  color: #fff;
  background: #30a967;
  -webkit-box-shadow: 0 2px 0 #2c9d60;
  box-shadow: 0 2px 0 #2c9d60;
}

a.btn-c:hover:before {
  left: 2rem;
}