@charset "utf-8";.youtube-item iframe{margin:auto;}@media screen and (max-width:768px){.youtube-item{width:100%;aspect-ratio:16 / 9;}.youtube-item iframe{width:100%;height:100%;}}figure.w50-100{margin:0;}.sec-cont dl.dl01{display:flex;flex-wrap:wrap;}.sec-cont dl.dl01 dt,
.sec-cont dl.dl01 dd{margin:0;}.sec-cont dl.dl01 dt{width:11em;border-bottom:none;}.sec-cont dl.dl01 dd{width:calc(100% - 11em);border-bottom:none;}