@charset "utf-8";@media screen and (max-width:768px){.youtube-item{width:100%;aspect-ratio:16 / 9;height:51vw;}.youtube-item iframe{width:100%;height:100%;}}#free_body1{.list-ann{margin-left:2em;}}#free_body3{.tx-box{overflow:hidden;}@media screen and (min-width:768px), print{.tx-box>h4:first-child{margin-top:0;}}}