/*====================================================================
.accordion_one
====================================================================*/
.accordion_one {
  max-width: 1024px;
  margin: 0 auto 50px;
}
.accordion_one .accordion_header {
  background-color: #00B0F0;
  border-radius: 12px;
  color: #ffffff;
  font-size: 26px;
  font-weight: bold;
  padding: 20px 11%;
  text-align: center;
  position: relative;
  z-index: +1;
  cursor: pointer;
  transition-duration: 0.2s;
  width: 47%;
  margin: 0 auto;
}
.accordion_one .accordion_header:hover {
  opacity: .8;
}
.accordion_one .accordion_header .i_box {
  display: flex;
  justify-content: center;
  align-items: center;
  position: absolute;
  top: 50%;
  right: 13%;
  width: 40px;
  height: 40px;
  margin-top: -20px;
  box-sizing: border-box;
  -webkit-transform: rotate(45deg);
  transform: rotate(45deg);
  transform-origin: center center;
  transition-duration: 0.2s;
}
.accordion_one .accordion_header .i_box .one_i {
  display: block;
  width: 18px;
  height: 18px;
  -webkit-transform: rotate(45deg);
  transform: rotate(45deg);
  transform-origin: center center;
  transition-duration: 0.2s;
  position: relative;
}
.accordion_one .accordion_header.open .i_box {
  -webkit-transform: rotate(-360deg);
  transform: rotate(-360deg);
}
.accordion_one .accordion_header .i_box .one_i:before, .accordion_one .accordion_header .i_box .one_i:after {
  display: flex;
  content: '';
  background-color: #ffffff;
  border-radius: 10px;
  width: 18px;
  height: 4px;
  position: absolute;
  top: 7px;
  left: 0;
  -webkit-transform: rotate(0deg);
  transform: rotate(0deg);
  transform-origin: center center;
}
.accordion_one .accordion_header .i_box .one_i:before {
  width: 4px;
  height: 18px;
  top: 0;
  left: 7px;
}
.accordion_one .accordion_header.open .i_box .one_i:before {
  content: none;
}
.accordion_one .accordion_header.open .i_box .one_i:after {
  -webkit-transform: rotate(-45deg);
  transform: rotate(-45deg);
}
.accordion_one .accordion_inner {
  display: none;
  padding: 30px 30px;
  box-sizing: border-box;
}
.accordion_one .accordion_inner .box_one {
  height: auto;
  margin-top: 30px;
}
.accordion_one .accordion_inner p.txt_a_ac {
  margin: 0;
}
@media screen and (max-width: 1024px) {
  .accordion_one .accordion_header {
    font-size: 30px;
  }
  .accordion_one .accordion_header .i_box {
    width: 30px;
    height: 30px;
    margin-top: -15px;
  }
}
@media screen and (max-width: 767px) {
  .accordion_one .accordion_header {
    font-size: 32px;
    text-align: center;
    padding: 15px 60px 15px 15px;
    width: auto;
  }
}