.img-area, .photo {
  min-height: 15.5vw;
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center center;
  position: relative;
}
.img-area h4{
  width:100%;
  position:absolute;
  bottom:0;
  background-color:rgb(255,255,255,75%);
}
.photo {
  min-height: 10vw;
}
.client-wrap > li {
  background-color: #111;
}
.title-link {
  padding: .2vw .5vw;
}
.to-detail {
  padding: .25vw 0;
}
.accordion {
}
.toggle {
  display: none;
}
.option {
  position: relative;
  margin-bottom: 1em;
}
.title,
.content {
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  transform: translateZ(0);
  transition: all 0.3s;
}
.title {
  border: solid 1px #ccc;
  padding: 1em;
  display: block;
  color: #333;
  font-weight: bold;
}
.title::after,
.title::before {
  content: "";
  position: absolute;
  right: 1.25em;
  top: 1.25em;
  width: 2px;
  height: 0.75em;
  background-color: #999;
  transition: all 0.3s;
}
.title::after {
  transform: rotate(90deg);
}
.content {
  max-height: 0;
  overflow: hidden;
}
.content p {
  margin: 0;
  padding: 0.5em 1em 1em;
  font-size: 0.9em;
  line-height: 1.5;
}
.toggle:checked + .title + .content {
  max-height: 2000px;
  transition: all 2s;
}
.toggle:checked + .title::before {
  transform: rotate(90deg) !important;
}
@media (min-width: 1300px){
  .img-area, .photo {
    min-height:200px;
  }
}
@media (max-width: 767px){
  .img-area {
    min-height: 50vw;
  }
  .photo {
    min-height: 20vw;
  }
}

@media (max-width: 575px){
  .img-area {
    min-height: 55vw;
  }
  .photo {
    min-height: 30vw;
  }
}