#modal-block {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  z-index: 99;
  overflow-y: scroll;
}
#modal-block::-webkit-scrollbar {
  display: none;
}
@media only screen and (max-width: 768px) {
  #modal-block img {
    width: 100%;
  }
}
#modal-block .close-area {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}
#modal-block .close {
  position: absolute;
  top: -40px;
  right: 0px;
  z-index: 5;
  cursor: pointer;
  transition: all 0.3s ease;
}
@media only screen and (max-width: 768px) {
  #modal-block .close {
    top: -7.03125vw;
    right: 6.25vw;
  }
}
#modal-block .close span {
  position: absolute;
  display: block;
  top: 25px;
  left: 14px;
  width: 40px;
  height: 3px;
  background-color: #fff;
  transition: all 0.3s ease;
}
@media only screen and (max-width: 768px) {
  #modal-block .close span {
    top: 3.90625vw;
    left: 2.1875vw;
    width: 6.25vw;
    height: 0.46875vw;
  }
}
#modal-block .close span:nth-child(1) {
  transform: rotate(45deg);
}
#modal-block .close span:nth-child(2) {
  transform: rotate(-45deg);
}
#modal-block .m-box, #modal-block .modal {
  display: none;
  position: relative;
  display: inline-block;
  vertical-align: middle;
  margin: 0 auto;
  text-align: left;
}
#modal-block .modal-content {
  text-align: center;
  position: absolute;
  width: 100%;
  height: 100%;
  left: 0;
  top: 0;
}
#modal-block .modal-content::before {
  content: "";
  display: inline-block;
  height: 100%;
  vertical-align: middle;
}
#modal-block .mv-modal .youtube {
  width: 900px;
  height: 500px;
}
@media only screen and (max-width: 768px) {
  #modal-block .mv-modal .youtube {
    width: 90.625vw;
    height: 56.25vw;
  }
}
#modal-block .mv-modal .youtube iframe {
  width: 100%;
  height: 100%;
}
#modal-block #about h2 {
  position: relative;
  font-size: 60px;
  line-height: 1;
  font-family: "Montserrat", sans-serif;
  text-align: center;
  letter-spacing: 0.18em;
  margin-bottom: 55px;
}
@media only screen and (max-width: 768px) {
  #modal-block #about h2 {
    font-size: 46px;
    font-size: 7.1875vw;
    margin-bottom: 6.25vw;
  }
}
#modal-block #about h2 span {
  display: block;
  font-size: 16px;
  font-family: "Zen Kaku Gothic New", sans-serif;
  letter-spacing: 0.1em;
  padding-top: 15px;
}
@media only screen and (max-width: 768px) {
  #modal-block #about h2 span {
    font-size: 18px;
    font-size: 2.8125vw;
    padding-top: 2.34375vw;
  }
}
#modal-block #about .txt-box {
  width: 753px;
  padding: 50px 60px;
  border-radius: 50px;
  background: url("../img/top/about/bg.png") no-repeat center center #fff;
}
@media only screen and (max-width: 768px) {
  #modal-block #about .txt-box {
    width: 93.75vw;
    padding: 7.8125vw 6.25vw;
    border-radius: 6.25vw;
  }
}
#modal-block #about .txt-box p {
  font-size: 18px;
  line-height: 2.6;
  font-family: "Zen Kaku Gothic New", sans-serif;
  font-weight: 500;
  text-align: center;
  margin-bottom: 30px;
}
@media only screen and (max-width: 768px) {
  #modal-block #about .txt-box p {
    font-size: 20px;
    font-size: 3.125vw;
    line-height: 2.2;
    margin-bottom: 4.6875vw;
  }
}
#modal-block #about .txt-box p a {
  color: #29D2FF;
}