.section-item{margin:3vw 0;justify-content:center;flex-wrap:wrap;}.section-item-ttl{width:100%;padding:4vw 0;text-align:center;background:#fadaaf;}.section-item-img{width:60vw;margin:6vw 16vw;padding:2vw;background:#ccc;}.section-item-txt{margin:6vw auto;}.section-sub-txt{background:#efefef;padding:4vw;}