#archive_cont{background:linear-gradient(#00a6ba 60%,rgba(0,0,0,0));margin: 0 43px;padding:200px 0;position: relative;}
#archive_cont_ttl{padding:0 0 30px;color:#fff;max-width: 700px;margin: 0 auto;position: relative;}
.archive_ttl{text-align: center;font-size: 40px;font-weight: 900;position: relative;z-index: 1;}
.archive_lead{text-align:center;font-size: 20px;font-family: "Shippori Mincho", serif;}
.vertical_bd_archive{width: 2px; height: 40px;margin: 10px auto 20px;border-left:solid 2px #fff;}
#archive_cont_ttl:before{content:"";width: 353px;height: 253px; position: absolute;top:-120px;left: -170px;background:url(../img/company/company_clownfish_green_left.svg)no-repeat;background-size: contain;}
#archive_cont_ttl:after{content:"";width: 249px;height: 290px; position: absolute;bottom:-100px;right: -200px;background:url(../img/common/dolphin.svg)no-repeat;background-size: contain;}
@media screen and (max-width:980px) {
    .archive_ttl{font-size: 35px;}
    #archive_cont_ttl:before{width: 30vw;}
    #archive_cont_ttl:after{width: 35vw;}
}
@media screen and (max-width:740px) {
    #archive_cont{margin: 0 20px;}
    #archive_cont_ttl{padding:0 20px 30px;font-size: 30px;}
    .archive_ttl_column{text-align: justify;}
    .archive_ttl span{display: inline;}
    .archive_lead{text-align: justify;font-size: 18px;}
    #archive_cont_ttl:before{left: 10px;}
    #archive_cont_ttl:after{right: 0;top:-80px;bottom: auto;}
}

.archive_cont_inner{max-width: 900px;margin: 0 auto;padding: 0 0 100px;}
.archive_list{border-radius: 10px;display: flex;gap:30px;flex-wrap: wrap;}
.archive_list a{width: calc((100% - 60px)/3) ;padding: 30px; background:#f8f8f8;color:#143855;text-decoration: none;}
.archive_item_ttl{font-size:17px;font-weight: 600; }
.archive_item_date{font-size: 15px;}
@media screen and (max-width:980px) {
    .archive_cont_inner{padding: 0 20px 100px;}
}
@media screen and (max-width:740px) {
    .archive_list a{width:100%;}
}