.m-spstplusBtn {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  margin-top: 100px;
  font-family: "Noto Serif JP", serif;
}
@media (max-width: 767px) {
  .m-spstplusBtn {
    margin-top: 50px;
  }
}
.m-spstplusBtn__link {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  width: 100%;
  max-width: 600px;
  min-height: 80px;
  padding: 0 24px;
  background-color: #735b5c;
  border: 1px solid #735b5c;
  color: #fff;
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
  -webkit-transition: background-color 0.3s, color 0.3s;
  transition: background-color 0.3s, color 0.3s;
}
@media (max-width: 767px) {
  .m-spstplusBtn__link {
    padding: 0 16px;
  }
}
.m-spstplusBtn__link:hover {
  background-color: #fff;
  color: #000;
}
.m-spstplusBtn__link::after {
  -webkit-box-flex: 0;
      -ms-flex: 0 0 auto;
          flex: 0 0 auto;
  content: "";
  display: block;
  width: 8px;
  height: 8px;
  border-top: 1px solid currentColor;
  border-right: 1px solid currentColor;
  -webkit-transform: rotate(45deg);
          transform: rotate(45deg);
}
.m-spstplusBtn__label {
  -webkit-box-flex: 1;
      -ms-flex: 1 1 auto;
          flex: 1 1 auto;
  text-align: center;
  font-size: 16px;
  font-weight: 500;
  line-height: 1.5;
  letter-spacing: 0.1em;
}
@media (max-width: 767px) {
  .m-spstplusBtn__label {
    font-size: 14px;
  }
}
.m-spstplusBtn__forSP {
  display: none;
}
@media (max-width: 767px) {
  .m-spstplusBtn__forSP {
    display: block;
  }
}