@charset "utf-8";
/* ---------------------------------------------
  取扱業務（再構成）
-----------------------------------------------*/

/* ページ内リンク（10 個のボタンを 3 列で並べる） */
.sec01 .btn_wrap{
    margin-top: 0;
    flex-wrap: wrap;
    justify-content: flex-start;
    gap: 20px 30px;
}
.sec01 .btn_wrap .btn,
.sec01 .btn_wrap .btn+.btn{
    width: calc((100% - 60px) / 3);
    max-width: none;
    margin: 0;
}

/* 業務ボックス */
.sec02,
.sec03{
    overflow: hidden;
}
.sec03{
    padding: 40px 0 160px;
}
.business_box{
    position: relative;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: 60px 0;
    scroll-margin-top: 130px;
}
.business_box:nth-of-type(even){
    flex-direction: row-reverse;
}
/* 画像の裏に薄い青の帯（about.css の意匠に合わせる） */
.business_box:before{
    position: absolute;
    top: 110px;
    bottom: 20px;
    left: -200%;
    display: block;
    content: '';
    width: calc(200% + 220px);
    background: #EFF3F9;
    z-index: -1;
}
.business_box:nth-of-type(even):before{
    left: auto;
    right: -200%;
}
.business_box .img{
    width: 44%;
    max-width: 420px;
    flex-shrink: 0;
}
.business_box .img img,
.business_box .img .sutd-ph{
    display: block;
    width: 100%;
    height: auto;
    box-shadow: 0 10px 30px rgba(7, 49, 144, .12);
}
.business_box .txt{
    width: 52%;
}
.business_box .box-ttl{
    position: relative;
    font-size: 3.2rem;
    color: #28469B;
    line-height: 1.4;
    padding-bottom: 16px;
    margin-bottom: 24px;
}
.business_box .box-ttl:after{
    position: absolute;
    left: 0;
    bottom: 0;
    display: block;
    content: '';
    width: 60px;
    height: 3px;
    background: #28469B;
}
.business_box .txt p{
    font-size: 1.6rem;
    line-height: 1.9;
}

@media(max-width:767px) {
    .sec01 .btn_wrap{ gap: 3% 4%;}
    .sec01 .btn_wrap .btn,
    .sec01 .btn_wrap .btn+.btn{
        width: 48%;
        font-size: 1.3rem;
        padding: 4% 3%;
    }
    .sec01 .btn_wrap .btn:after{ display: none;}

    .sec03{ padding: 4% 0 18%;}
    .business_box,
    .business_box:nth-of-type(even){
        display: block;
        padding: 8% 0;
        scroll-margin-top: 60px;
    }
    .business_box:before,
    .business_box:nth-of-type(even):before{
        top: 22%;
        bottom: auto;
        height: 40vw;
        left: -4%;
        right: auto;
        width: 108%;
    }
    .business_box .img,
    .business_box .txt{
        width: 100%;
        max-width: none;
    }
    .business_box .txt{ margin-top: 6%;}
    .business_box .box-ttl{
        font-size: 2.2rem;
        padding-bottom: 3%;
        margin-bottom: 4%;
    }
    .business_box .txt p{ font-size: 1.4rem;}
}