.toggle {  cursor: pointer; }
.innerwrap {position:relative;}
.p_contentbox {display:grid; grid-template-columns:0.2fr 0.8fr; margin-top:3rem;}
#tree-left {position:sticky; top:0;  }
#tree-menu {position:sticky; width:210px; border:1px solid #ebebeb;  transition:all .2s;}
#tree-menu.sticky-active { top:100px;  transition:all .2s;  }
#tree-menu h2 {background:#111; color:#fff; padding:10px 15px; text-align:center;}
#tree-menu .inner {padding:0; margin:0;}
#tree-menu .firstli {position:relative; border-bottom:1px solid #ebebeb; padding:5px 10px; font-size:1rem;}
#tree-menu .firstli a {color:#16171d;}
#tree-menu .firstactive a.firstlink {color:#000;font-weight:bold; }
#tree-menu .firstli:last-child {border-bottom:0;}
#tree-menu .firstli .toggle {position:absolute; right:15px; color:#adadad;}
#tree-menu .secul {padding:15px; margin:10px -10px -10px -10px; background:#f9fafb;}
#tree-menu .secli {font-size:0.9rem; margin:3px 0;}
#tree-menu .secli a {color:#16171d;}
#tree-menu .secactive a.seclink {color:#000 !important; font-weight:bold; }

@media (max-width:1200px) {
	.p_contentbox {grid-template-columns:1fr;}
	#tree-left {position:initial; margin-bottom:2rem;}
	#tree-menu {position:initial; width:100%;}
	#tree-left.hiding {display:none;}
}