.content_area{
    width: 90%;
    margin: 0 auto;
    margin-top: 130px;
}

.content_ttl h3{
    font-size: 2rem;
    color: var(--color_orange);
}
.content_ttl h2{
    font-size: 2.8rem;
    margin-top: 5px;
}
.content_txt{

}
.content_txt p{
    font-size: 1.4rem;
    margin-top: 15px;
    line-height: 200%;
}
.content_under{
    margin-top: 30px;
}
table {
  margin-top: 30px;
  background-color: #F2F1F1;
  border-collapse: collapse; /* ← これで線を共有 */
  width: 100%;
}

th, td {
  font-size: 1.2rem;
  padding: 10px;
  border-bottom: 1px solid #E5E4E4;
  border-top: 1px solid #E5E4E4 ;

  vertical-align: top; 
}
td{
    border-right: 1px solid #E5E4E4 ;
       border-left: 1px solid #E5E4E4 ;
}
th {
  width: 120px;
  text-align: left;
  background-color: #F2F1F1;
     border-left: 1px solid #E5E4E4 ;
  font-weight: bold;
}

td {
  background-color: var(--bgcolor2);
}

th p,
td p {
  margin: 0;
  line-height: 175%;
}
.back_btn {
    margin: 0 auto;
    margin-top: 60px;
    width: 200px;
    height: 48px;
    font-size: 14px;
    background-color: var(--color_black);
    border-radius: 99px;
}
.back_btn a {
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--bgcolor2);
}
@media screen and (min-width:768px){
    .content_area{

        max-width: 1024px;
    }
}
@media screen and (min-width:1024px){
    .content_area{
        margin-top: 180px;
        width: 80%;
    }
.content_ttl h3{
    font-size: 3.6rem;
  }
.content_ttl h2{
    font-size: 5.4rem;
  }
.content_txt p{
        font-size: 2.6rem;
    }
    th, td{
               font-size: 2.6rem; 
            padding: 20px;
    }

}
@media screen and (min-width:1200px){
.content_ttl h3{
font-size: 24px;
}
.content_ttl h2{
    font-size: 32px;
}
.content_txt p{
    font-size: 16px;
    }
    th, td{
    font-size: 16px;
            padding: 20px;
    }
}