.visual{
    background: url(../images/sub2_1/sub2_1_visualSize.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%;
    text-shadow: 1px 1px 5px rgba(0, 0, 0, .7);
}
.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: 33.33%;
}
.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;
}
h4{
    font-size: 1.5rem;
    font-weight: 600;
    background: var(--font-color-point2);
    color: #ffff;
    padding: 5px 15px;
    margin: 25px 0;
    text-align: left;
    margin-left: 10px;
}
img{
    width: 95%;
}
.tab_title{
    display: none;
}
#content h4 i{
    font-size: 1.3rem;
    padding-bottom: 6px;
    padding-right: 10px;
}

.sub2_1TabButton{
    display: flex;
    text-align: center;
    justify-content: center;
    margin-bottom: 50px;
}
.sub2_1TabButton li{
    width: 33.33%;
}

.sub2_1TabButton li a{
    color: var(--font-color-point2);
    border-bottom: 1px solid var(--font-color-point2);
    font-weight: 600;
    padding: 5px 0;
}
.sub2_1TabButton li a.current{
    background: #fff;
    border-bottom: none;
    border-top: 2px solid var(--font-color-point2);
    border-right:  1px solid var(--font-color-point2);
    border-left:  1px solid var(--font-color-point2);
}



.cont1 li dl{
    padding: 0 20px;
    margin-bottom: 50px;
}
.cont1 li dl dt{
    font-size: 1.2rem;
    font-weight: 600;
    padding: 20px 0;
}
.cont1 li dl dd{
    word-break: break-all;
}
.cont1 li dl dt span{
    font-family: "Frank Ruhl Libre", serif;
    font-size: 1.4rem;
    font-style: italic;
    letter-spacing: 2px;
    color: var(--font-color-point2);
}
.cont1 li:first-child{
    text-align: right;
}
.cont1 li:first-child dl{
    text-align: left;
}
.cont1 li:first-child dd{
    padding-right: 35px;
    text-align: justify;
    padding-bottom: 40px;
    position: relative;
    border-right: 2px solid var(--font-color-point2);
    border-bottom: 2px solid var(--font-color-point2);
    box-shadow: 3px 3px 5px rgba(0, 0, 0, .1);
}
.cont1 li:last-child dl{
    text-align: right;
}
.cont1 li:last-child dd{
    padding-left: 35px;
    text-align: left;
    padding-bottom: 40px;
    position: relative;
    border-left: 2px solid var(--font-color-point2);
    border-bottom: 2px solid var(--font-color-point2);
    box-shadow: -3px 3px 5px rgba(0, 0, 0, .1);
}
.cont1 em{
    font-weight: 500;
    font-size: 1.1rem;
    color: var(--font-color-sub);
}
.cont1 strong{
    display: inline-block;
    padding: 10px 0;
    font-size: 1.1rem;
    font-weight: 600;
}

.cont2{
    text-align: center;
    transition: all .7s ease-out;
    opacity: .1;
}
.cont2.active{
    opacity: 1;
    display: block;
}
.cont2 ul{
    margin: 20px 0;
    width: 100%;
    text-align: justify;
    position: relative;
}
.cont2 img{
    width: 90%;
    box-shadow: 2px 2px 5px rgba(0, 0, 0, .2),
                -2px -2px 5px rgba(0, 0, 0, .2);
}
.cont2 ul li{
    padding: 10px 20px;
    text-align: center;

}
.cont2 ul li:first-child{
    font-size: 1.1rem;
    border-top: 2px solid var(--font-color-point2);
    border-bottom: 2px solid var(--font-color-point2);
    margin: 20px;
    font-size: 1.2rem;
    font-weight: 600;
}
.cont2 ul li:first-child span{
    font-style: italic;
    font-weight: 700;
    color: var(--font-color-point2);
    font-size: 1.4rem;
}
.cont3{
    transition: all .7s ease-out;
    opacity: .1;
}
.cont3.active{
    opacity: 1;
    display: block;
}
.cont3 li{
    padding-bottom: 30px ;
}
.cont3 li:nth-of-type(1),
.cont3 li:nth-of-type(3){
    background: rgba(174, 155, 115, .3);
}

.cont3 li img{
    width:100%; height:200px;
    object-fit: cover;
    object-position: center;
}
.cont3 li dl{
    margin: 20px 20px 0 20px;
    text-align: center;
    position: relative;
}
.cont3 li dl dt{
    font-size: 1.1rem;
    font-weight: 400;
    padding: 10px 20px;
    width: 100%;
    position: absolute; top: -155px; left: -20px;
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(1px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: #fff;
}

.cont3 li dl dt span{
    font-size: 1.3rem;
    font-style: italic;
    color: var(--font-color-point2);
    font-weight: 700;
}
.cont3 li dl dd{
    text-align: justify;
    padding: 10px 20px;
    position: relative;
}