.si-glossary {
	max-width: 600px;
	margin: 0 auto;
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Sans", "Yu Gothic", sans-serif;
}

.si-glossary-search {
	width: 100%;
	box-sizing: border-box;
	padding: 10px 14px;
	border: 1px solid #ddd;
	border-radius: 999px;
	font-size: 14px;
	margin-bottom: 16px;
}

.si-glossary-item {
	border-bottom: 1px solid #eee;
	padding: 10px 0;
}

.si-glossary-item summary {
	font-weight: 600;
	font-size: 15px;
	cursor: pointer;
}

.si-glossary-def {
	font-size: 13px;
	color: #444;
	margin-top: 6px;
	line-height: 1.7;
}

.si-glossary-diagram {
	margin-top: 8px;
	border: 1px solid #eee;
	border-radius: 8px;
	overflow: hidden;
}

.si-glossary-diagram svg {
	display: block;
	width: 100%;
	height: auto;
}

.si-empty {
	color: #888;
	font-size: 14px;
	text-align: center;
}

/* タブ切り替え(用語集・クイズ統合ページ) */
.si-tabs {
	max-width: 600px;
	margin: 0 auto;
}

.si-tab-nav {
	display: flex;
	gap: 8px;
	margin-bottom: 20px;
}

.si-tab-btn {
	flex: 1;
	padding: 10px;
	border: 1px solid #ddd;
	border-radius: 10px;
	background: #f7f7f7;
	color: #555;
	font-size: 14px;
	font-weight: 600;
	cursor: pointer;
}

.si-tab-btn.si-tab-active {
	background: #1a1a1a;
	color: #fff;
	border-color: #1a1a1a;
}

.si-tab-panel {
	display: none;
}

.si-tab-panel.si-tab-panel-active {
	display: block;
}

/* クイズ */
.si-quiz {
	max-width: 500px;
	margin: 0 auto;
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Sans", "Yu Gothic", sans-serif;
}

.si-quiz-start {
	display: block;
	width: 100%;
	padding: 14px;
	background: #1a1a1a;
	color: #fff;
	border: none;
	border-radius: 10px;
	font-size: 15px;
	font-weight: 600;
	cursor: pointer;
}

.si-quiz-question {
	font-size: 16px;
	font-weight: 700;
	margin-bottom: 16px;
	text-align: center;
}

.si-quiz-diagram {
	max-width: 320px;
	margin: 0 auto 16px;
	border: 1px solid #eee;
	border-radius: 8px;
	overflow: hidden;
}

.si-quiz-diagram svg {
	display: block;
	width: 100%;
	height: auto;
}

.si-quiz-options {
	display: flex;
	flex-direction: column;
	gap: 10px;
}

.si-quiz-option {
	padding: 12px 14px;
	border: 1px solid #ddd;
	border-radius: 10px;
	font-size: 13px;
	text-align: left;
	background: #fff;
	cursor: pointer;
}

.si-quiz-option.si-correct {
	border-color: #16a34a;
	background: #f0fdf4;
}

.si-quiz-option.si-incorrect {
	border-color: #dc2626;
	background: #fef2f2;
}

.si-quiz-progress {
	text-align: center;
	font-size: 12px;
	color: #888;
	margin-bottom: 8px;
}

.si-quiz-result {
	text-align: center;
	font-size: 18px;
	font-weight: 700;
	padding: 24px 0;
}

.si-quiz-next {
	display: block;
	width: 100%;
	margin-top: 16px;
	padding: 12px;
	background: #1a1a1a;
	color: #fff;
	border: none;
	border-radius: 10px;
	font-size: 14px;
	cursor: pointer;
}