/* .content {display:flex;flex-wrap:wrap;padding:20px 0;}
.textbox {
	flex: 1 0 300px;
	margin: 10px;
	background: red;
}
.videobox {flex: 1 0 560px;align-items: center;justify-content: center;
	flex-basis:560px;
	top: 50px;
	height:420px;
	margin:0 10px;
}
@media (min-width:1100px) {
	.videobox{
		position:-webkit-sticky;
		position:sticky;
	}
} */
div.textbox{
	margin:10px 5px;
	height:300px;
	overflow:auto; 
	border:1px solid silver;
	padding:10px 10px 20px;
}
div.textbox p.conversation {margin-left:8em;font-size:calc(14px + 0.25vw);line-height: 1.6;text-align:justify;text-indent:0;}
div.textbox p.conversation_con {margin-left:8em;font-size:calc(14px + 0.25vw);line-height: 1.6;text-align:justify;text-indent:0;}
div.textbox p.conversation span {margin-left:-8em;margin-right:.6em;}
div.textbox p.back_txt {margin:0 24px;text-align:center;padding:5px 0; border-bottom:1px solid #ddd;border-top:1px solid #ddd;}
div.textbox p.conversation span.chara_blu{color:royalblue;margin-right:2.7em;}
div.textbox p.conversation span.chara_orn{color:orange;margin-right:2.7em;}
div.textbox p.conversation span.chara_brw{color:brown;margin-right:3.7em;}
div.textbox p.conversation span.chara_gre{color:greenyellow;}