.text-area{max-width:600px;margin-right:30px;font-family:Noto Sans CJK jp,Hiragino Kaku Gothic ProN,Meiryo,MS PGothic,sans-serif}@media screen and (max-width:768px){.text-area{margin:0 0 40px}}.content-img{margin-bottom:25px}.contents-heading{margin-bottom:15px;font-size:25px;font-weight:700}.contents-explanation{margin-bottom:13px}.contents-explanation--title{margin-bottom:3px;font-size:16px;font-weight:700}.contents-explanation_list{margin:0;padding-left:15px;list-style:none}.contents-explanation_list>li{position:relative}.contents-explanation_list>li:before{position:absolute;top:45%;left:-10px;width:3px;height:3px;border-radius:50%;background-color:#222;content:""}.rich-text{margin-bottom:40px}