/* ======================
   記事詳細 見出しスタイル
   ====================== */

/* --- h2: ✦アイコン風 --- */
.post_content h2 {
	font-size: 1.5rem;
	font-weight: 700;
	padding-left: 1.8em;
	padding-right: 0;
	position: relative;
	line-height: 1.5;
	margin-top: 2.5em;
	margin-bottom: 1em;
	border: none;
	background: linear-gradient(90deg, #f0edff, #edf4ff 50%, transparent 75%);
	color: #333;
	border-radius: 0;
	padding: 0.6em 0.8em 0.6em 1.8em;
}

.post_content h2::before {
	content: "✦";
	position: absolute;
	left: 13px;
	background: linear-gradient(135deg, #7c3aed, #3b82f6);
	-webkit-background-clip: text;
	-webkit-text-fill-color: transparent;
	background-clip: text;
	font-size: 1em;
}

/* --- h3: マーカー風ハイライト --- */
.post_content h3 {
	font-size: 1.25rem;
	font-weight: 700;
	display: inline;
	background: linear-gradient(transparent 60%, #dce0f9 60%);
	padding: 0 0.2em;
	line-height: 1.8;
	border: none;
}

/* --- h4: 太文字ちょっと大きめ --- */
.post_content h4 {
	font-size: 1.1rem;
	font-weight: 700;
	line-height: 1.5;
	margin-top: 1.8em;
	margin-bottom: 0.6em;
	border: none;
	background: none;
}