/*以下FAQのCSS*/

.qa-4 {
  border-bottom: 2px solid #d6dde3;
  margin: 0 20px;
}

.qa-4 summary {
  display: grid;
  grid-template-columns:70px 1fr 70px;
  align-items: center;
  justify-content: center;
  padding: 20px 0;
  color: #333333;
  font-weight: 600;
  cursor: pointer;
  font-size: 20px;
}

.qa_number {
  font-size: 1.6em;
  color: #ea3700;
  font-family:'Roboto';
  font-weight: 400;
  font-style: italic;
}

.qa_btn_img{
  position: relative;
  width: 40px;
  height: 40px;
  margin: 0 0 0 auto;
}

.qa_btn_img img{
  width: 100%;
  height: auto;
  position: absolute;
  top:0;
  transition: all 0.5s;
}

.qa_btn_img img:nth-child(2){
  opacity: 0;
}

.qa-4 p {
  position: relative;
  transform: translateY(-10px);
  opacity: 0;
  margin: 0 70px 20px;
  color: #333;
  transition: transform 0.5s, opacity 0.5s;
}

.qa-4[open] p {
  transform: none;
  opacity: 1;
}

.qa-4[open] .qa_btn_img img:first-child{
 opacity: 0;
}
.qa-4[open] .qa_btn_img img:nth-child(2){
  opacity: 1;
 }

.qa-container .common_btn{
  background-color: #f8f7f7;
  margin: 40px auto 0 auto;
}


@media screen and (max-width: 700px) {
  .qa-4 {
    margin: 0 auto;
  }
  
  .qa-4 summary {
    grid-template-columns:50px 1fr 50px;  
    padding: 15px 0;
    font-size: 16px;
  }
  
  .qa_btn_img{
    width: 30px;
    height: 30px;
  }

  .qa-4 p {
    font-size: 14px;
    margin: 0 0 20px 50px;
  }

}