/*tab*/
.tab_area{
    width: 100%;
    margin: 15px auto 15px;;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
}
ul li {
    float: left;
    list-style-type: none;
    width: 50%;
    border-bottom: 4px solid #d5e7f5;
}
.ttl{
    font-family: serif;
} 

ul li a {
    font-size: 1em;
    font-weight: bold;
    color: #585858;
    text-decoration: none;
    display: block;
    padding: 5% 9% 3% 9%;
    text-align: center;
    width: 82%;
    background: #c3c3c3;
    /* border: 1px solid #c3c3c3;*/
    border-bottom: none;
    position: relative;
    line-height: 1;
}
ul li a:hover{
    background:#d5e7f5;
    color:#585858;
}

ul li a.current {
    background: #d5e7f5;
    color: #585858;
}
ul li a.current::after {
    content: '';
    position: absolute;
    left: 45%;
    margin-left: -8px;
    bottom: -20px;
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 20px 15px 0px 15px;
    border-color: #d5e7f5 transparent transparent transparent;
}
ul li a.current2 {
    background: #d5e7f5;
    color:#585858;
}
ul li a.current2::after {
    content: '';
    position: absolute;
    left: 45%;
    margin-left: -8px;
    bottom: -20px;
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 20px 15px 0px 15px;
    border-color: #d5e7f5 transparent transparent transparent;
}


ul li a.current3 {
    background: #d5e7f5;
    color: #585858;
}
ul li a.current3::after {
    content: '';
    position: absolute;
    left: 45%;
    margin-left: -8px;
    bottom: -20px;
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 20px 15px 0px 15px;
    border-color: #d5e7f5 transparent transparent transparent;
}


ul li a.current4 {
    background: #d5e7f5;
    color: #585858;
}
ul li a.current4::after {
    content: '';
    position: absolute;
    left: 45%;
    margin-left: -8px;
    bottom: -20px;
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 20px 15px 0px 15px;
    border-color: #d5e7f5 transparent transparent transparent;
}

ul li a.current5 {
    background: #d5e7f5;
    color: #585858;
}
ul li a.current5::after {
    content: '';
    position: absolute;
    left: 45%;
    margin-left: -8px;
    bottom: -20px;
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 20px 15px 0px 15px;
    border-color: #d5e7f5 transparent transparent transparent;
}


#contents{
    clear:both;
}

#contents div {
    padding: 3%;
    background: white;
    text-align: left;
}

#contents p{
    margin-top:20px;
    color:#c3c3c3;
}

#contents strong {
    font-size: 1em;
    font-weight: bold;
    color: #464646;
    line-height: 1.4;

}
#contents_b{
    clear:both;
}

#contents_b div {
    padding: 5%;
    background: white;
    text-align: left;
}

#contents_b p{
    margin-top:20px;
    color:#c3c3c3;
}

#contents_b strong {
    font-size: 1em;
    font-weight: bold;
    color: #464646;
    line-height: 1.4;
}
#contents_c{
    clear:both;
}

#contents_c div {
    padding: 5%;
    background: white;
    text-align: left;
}

#contents_c p{
    margin-top:20px;
    color:#c3c3c3;
}

#contents_c strong {
    font-size: 1em;
    font-weight: bold;
    color: #464646;
    line-height: 1.4;
}
#contents_d{
    clear:both;
}

#contents_d div {
    padding: 5%;
    background: white;
    text-align: left;
}

#contents_d p{
    margin-top:15px;
    color:#c3c3c3;
}

#contents_d strong {
    font-size: 1em;
    font-weight: bold;
    color: #464646;
    line-height: 1.4;
}
#contents_e{
    clear:both;
}

#contents_e div {
    padding: 5%;
    background: white;
    text-align: left;
}

#contents_e p{
    margin-top:20px;
    color:#c3c3c3;
}

#contents_e strong {
    font-size: 1em;
    font-weight: bold;
    color: #464646;
    line-height: 1.4;
}



ul li a.current .tab_icon::after {
    display: block;
    content:'\f107';
    font-family:"Font Awesome 5 Free";
    font-weight:900;
    color: #98d4f6;

}
ul li a.current2 .tab_icon::after {
    display: block;
    content:'\f107';
    font-family:"Font Awesome 5 Free";
    font-weight:900;
    color: #98d4f6;
}
ul li a.current3 .tab_icon::after {
    display: block;
    content:'\f107';
    font-family:"Font Awesome 5 Free";
    font-weight:900;
    color: #98d4f6;
}
ul li a.current4 .tab_icon::after {
    display: block;
    content:'\f107';
    font-family:"Font Awesome 5 Free";
    font-weight:900;
    color: #98d4f6;
}
ul li a.current5 .tab_icon::after {
    display: block;
    content:'\f107';
    font-family:"Font Awesome 5 Free";
    font-weight:900;
    color: #98d4f6;
}
ul li a .tab_icon::after {
    display: block;
    content:'\f107';
    font-family:"Font Awesome 5 Free";
    font-weight:900;
    color: #787878;
}