.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  transition: all .3s linear;
  overflow: auto;
  opacity: 0;
  visibility: hidden;
  z-index: -1;
}
.modal.active {
  opacity: 1;
  visibility: visible;
  z-index: 1000;
}
.modal-content {
  position: relative;
  background-color: #fff;
  margin: 6.25vw;
  padding: 6.25vw;
  /* width: calc(100% - 12.5vw); */
  text-align: left;
}
.modal-content .close {
  position: absolute;
  top: calc(6.25vw / 2);
  right: calc(6.25vw / 2);
  color: #333;
  float: right;
  font-size: 34rem;
  font-weight: bold;
  line-height: 1;
  cursor: pointer;
}
.modal-content .item-description p { margin: 0 0 1em 0; }
.modal-content .item-description h4,
.modal-content .item-description h5 { text-align: left; }
.modal-content .item-description h4 { margin-bottom: 1.5em; }
.modal-content .item-description h5 { margin: 2em 0 .5em 0; }
.modal-content .item-description dl { margin-bottom: 1em; }
.modal-content .item-description dl dt {
  margin-top: 2em;
  font-weight: bold;
}
@media screen and (max-width: 1024px) {
  .modal-content { padding: calc(6.25vw * 2) 6.25vw 6.25vw 6.25vw; }
  .modal-content .close { font-size: 28rem; }
  .modal-content .item-description { font-size: 12rem; }
}

/* submit */
.modal-content .modal-description .submit { margin: 3em 0 0 0; }
.modal-content .modal-description .checkbox_wrap {
  display: flex;
  justify-content: center;
}
.modal-content .modal-description .btn_wrap {
  display: flex;
  justify-content: center;
  margin: 1em 0 0 0;
}
.modal-content .modal-description .btn_wrap .btn {
  pointer-events: none;
  cursor: not-allowed;
}
.modal-content .modal-description .btn_wrap .btn.active {
  pointer-events: all;
  cursor: pointer;
}
.modal-content .modal-description .btn_wrap .btn span {
  background: #ccc;
  color: #eee;
}
.modal-content .modal-description .btn_wrap .btn.active span {
  background: #000;
  color: #fff;
}