#structure{width:100%;margin:0 auto}.str_mv{width:100%;min-height:300px;margin:0;background:url("../images/structure_tt_bg.jpg") center center no-repeat;background-size:cover;display:flex;justify-content:center;align-items:center}@media only screen and (max-width: 480px){.str_mv{min-height:220px}}.str_mv h2{margin:0;width:90%;text-align:center}.str_mv h2 img{max-width:480px}.sec_tt_icon{max-width:180px;margin:0 auto}@media only screen and (max-width: 480px){.sec_tt_icon{max-width:150px}}.tt_sub_l{color:#000;font-family:"游明朝",YuMincho,"Yu Mincho","ヒラギノ明朝 ProN W3","Hiragino Mincho ProN","HG明朝E","メイリオ",Meiryo,serif;font-size:2.75em;font-feature-settings:"palt";text-align:center;margin:1em auto 0}@media only screen and (max-width: 480px){.tt_sub_l{font-size:1.5em}}.tt_sub_l span{font-size:.7em}.tt_sub_s{font-size:1.75em;font-feature-settings:"palt";text-align:center;margin:0 auto 1em}@media only screen and (max-width: 480px){.tt_sub_s{font-size:1.3em}}.bg_gry{width:100%;background:#fafafa;margin:3em auto 0;padding:3em 0}.sec_inr{width:90%;max-width:960px;margin:0 auto;position:relative}#str_sec1{width:100%;margin:0 auto;padding:3em 0}@media only screen and (max-width: 480px){#str_sec1{padding:2em 0}}#str_sec1 .str_sec1_imgs1{max-width:760px;margin:0 auto;display:flex;justify-content:space-between;align-items:flex-start;flex-wrap:wrap}#str_sec1 .str_sec1_imgs1 .w50{width:48%;max-width:360px;margin:0}@media only screen and (max-width: 480px){#str_sec1 .str_sec1_imgs1 .w50{width:50%}}#str_sec1 .str_sec1_imgs2{margin:2em auto 0;display:flex;justify-content:space-between;align-items:flex-start;flex-wrap:wrap}#str_sec1 .str_sec1_imgs2 .w50{width:48%;max-width:460px;margin:2% 0}@media only screen and (max-width: 480px){#str_sec1 .str_sec1_imgs2 .w50{width:100%}}#str_sec1 .str_sec1_imgs2 .w50 img{margin:0 0 .5em}#str_sec1 .str_sec1_img3{width:100%;margin:5em 0 -3em}#str_sec1 .str_sec1_img3 dl{position:absolute;left:0;top:0;width:50%;max-width:460px}@media only screen and (max-width: 480px){#str_sec1 .str_sec1_img3 dl{position:relative;width:100%}}#str_sec1 .str_sec1_img3 dt{font-size:1.75em;font-weight:bold;color:#000}@media only screen and (max-width: 480px){#str_sec1 .str_sec1_img3 dt{font-size:1.4em}}#str_sec1 .str_sec1_img3 dd{margin:1em 0}#str_sec1 .str_sec1_img3 img{display:block}@media only screen and (max-width: 834px){#str_sec1 .str_sec1_img3 img{padding:5em 0 0}}@media only screen and (max-width: 480px){#str_sec1 .str_sec1_img3 img{padding:0}}#str_sec2{width:100%;margin:0 auto;padding:3em 0}@media only screen and (max-width: 480px){#str_sec2{padding:2em 0}}#str_sec2 .str_sec2_imgs{display:flex;justify-content:space-between;align-items:flex-start}#str_sec2 .str_sec2_imgs dl{width:calc(100% / 3 - 4%);max-width:300px;margin:2%}#str_sec2 .str_sec2_imgs dt{margin:0 0 .5em;padding:.5em;background:#a4a4a4;color:#fff;text-align:center}#str_sec2 .str_sec2_lst{display:flex;justify-content:space-between;align-items:flex-start;flex-wrap:wrap;margin:3em auto}#str_sec2 .str_sec2_lst .str_sec2_lst_l,#str_sec2 .str_sec2_lst .str_sec2_lst_r{width:48%;max-width:460px}@media only screen and (max-width: 480px){#str_sec2 .str_sec2_lst .str_sec2_lst_l,#str_sec2 .str_sec2_lst .str_sec2_lst_r{width:100%}}#str_sec2 .str_sec2_lst .str_sec2_lst_l dl{position:relative;padding:0 0 0 5em;margin:0 0 2em}#str_sec2 .str_sec2_lst .str_sec2_lst_l dl::before{content:"";position:absolute;left:0;top:0;display:flex;justify-content:center;align-items:center;width:auto;height:100%;padding:0 .5em;border-left:1px #666 solid;border-right:1px #666 solid;font-size:2em;font-family:"游明朝",YuMincho,"Yu Mincho","ヒラギノ明朝 ProN W3","Hiragino Mincho ProN","HG明朝E","メイリオ",Meiryo,serif;text-align:center;color:#000}#str_sec2 .str_sec2_lst .str_sec2_lst_l dl.no01::before{content:"01"}#str_sec2 .str_sec2_lst .str_sec2_lst_l dl.no02::before{content:"02"}#str_sec2 .str_sec2_lst .str_sec2_lst_l dl.no03::before{content:"03"}#str_sec2 .str_sec2_lst .str_sec2_lst_l dt{font-size:1.5em;color:#000;font-weight:bold;line-height:1.4}