.visual{
    background: url(../images/sub3_1/sub3_visual.jpg) no-repeat center center;
    width:100%; height:200px;
    background-size:cover;
    position: relative;
}
.visual span{
    display: block;
    font-size: 1.5rem;
    color: #fff;
    text-align: center;
    width: 100%;
    position: absolute;
    left: 0;
    top: 50%;
}
.sub_nav{
    width: 100%;
    border-bottom: 1px solid #c1c1c1;
}
.sub_nav ul{
    display: flex;
    width: 100%;
    margin: 0 auto;
    text-align: center;
}
.sub_nav ul li{
    width: 50%;
}
.sub_nav ul li a{
    padding: 10px 0;
    font-weight: 500;
}
.sub_nav li .current{
    background: var(--font-color-point2);
    color: #fff;
    font-weight: 600;
}
#content .title_area h2{
    font-size: 2.2rem;
    font-weight: 700;
    text-align: center;
    margin: 100px 0 80px;
    position: relative;
}
#content .title_area h2::before{
content: ''; width: 12px; height: 12px; background: var(--font-color-point2);
position: absolute; transform: rotate(45deg); border-radius: 2px; 
top: -27px; left: 50%; margin-left: -6px;
}
#content .title_area h2::after{
content: ''; width: 12px; height: 12px; background: var(--font-color-point2);
position: absolute; transform: rotate(45deg); border-radius: 2px; 
bottom: -34px; left: 50%; margin-left: -6px;
}
.content_area{
    text-align: center;
}
.content_area img{
    width: 90%;
}
.content_area ul{
    padding: 50px 0;
}

.content_area dl{
    text-align: left; 
    padding: 20px;
}
.content_area li dt{
    font-size: 1.4rem;
    font-weight: 700;
    padding-bottom: 10px;
    position: relative;
    padding-left: 20px;
}
.content_area li dt::after{
    content: ''; width: 5px; height: 20px; background: var(--font-color-point2);
    position: absolute;
    top: 3px; left: 0px; 
}
.content_area li dd{
    text-align: justify;
    font-size: 1.2rem;
    padding-bottom: 5px;
}
.content_area li:nth-of-type(1) dd:nth-of-type(2) span:first-child{
    color: #3f9cc7;
    font-weight: 700;
}
.content_area li:nth-of-type(1) dd:nth-of-type(2) span:last-child{
    color: #e7970e;
    font-weight: 700;
}
.content_area li:nth-of-type(2) dl:nth-of-type(2) dd{
    padding-right: 20px;
}
.content_area li:nth-of-type(2) dl:nth-of-type(2) dd strong::after{
    content: ''; width: 8px; height: 2px; background: var(--font-color2);
    position: absolute;
    top: 12px; left:8px; 
}
.content_area li:nth-of-type(2) dl:nth-of-type(2) dd strong{
    font-weight: 600;
    display: block;
    position: relative;
    width: 80px;
    padding-left: 20px;
}   
.content_area li:nth-of-type(2) dl:nth-of-type(2) dd span{
    display: block;
    margin-left: 20px;
}

.content_area li:nth-of-type(2) dl:nth-of-type(3) dd a{
    display: inline;
    text-decoration: underline;
}
.content_area>p:nth-of-type(1){
    margin-top: 10px;
    margin-bottom: 5px;
}
.content_area>p:nth-of-type(1) span{
    background: #3f9cc7;
    padding: 0 15px;
    margin-right: 10px;
    border-radius: 5px;
}
.content_area>p:nth-of-type(2) span{
    background: #e7970e;
    padding: 0 15px;
    margin-right: 10px;
    border-radius: 5px;
}