/* Collapsible TOC */
.post__toc details > summary {
	list-style: none;
	cursor: pointer;
	position: relative;
	padding-right: 30px;
}

.post__toc details > summary::-webkit-details-marker {
	display: none;
}

.post__toc details > summary::after {
	content: "▸";
	position: absolute;
	right: 12px;
	top: 50%;
	transform: translateY(-50%);
	transition: transform 0.15s ease;
	color: #fff;
	font-size: 0.85em;
}

.post__toc details[open] > summary::after {
	transform: translateY(-50%) rotate(90deg);
}