/*------------------------------------
ブログ・木材ガイド
------------------------------------*/
.material-guide {
	max-width: 900px;
}

.material-guide__intro {
	margin-bottom: 55px;
	font-size: var(--font-size_m);
	line-height: 2;
}

.material-guide__toc {
	margin: 0 0 80px;
	padding: 30px 35px;
	border-top: 1px solid var(--color_05);
	border-bottom: 1px solid var(--color_05);
}

.material-guide__toc-title {
	margin: 0 0 18px;
	font-size: var(--font-size_s);
	letter-spacing: 0.12em;
	text-transform: uppercase;
}

.material-guide__toc ol {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 10px 25px;
	margin: 0;
	padding-left: 1.5em;
}

.material-guide__toc a {
	border-bottom: 1px solid transparent;
	transition: border-color 0.25s ease;
}

.material-guide__toc a:hover {
	border-color: currentColor;
}

.material-guide__item {
	display: grid;
	grid-template-columns: minmax(250px, 0.95fr) minmax(0, 1.05fr);
	gap: clamp(30px, 6vw, 80px);
	align-items: center;
	padding: 45px 0;
	border-top: 1px solid var(--color_05);
}

.material-guide__item:last-child {
	border-bottom: 1px solid var(--color_05);
}

.material-guide__image {
	width: 100%;
	aspect-ratio: 4 / 3;
	background-image: url('../img/materials/wood-grains-guide.png');
	background-size: 300% 300%;
	background-repeat: no-repeat;
}

.material-guide__image--pine { background-position: 0 0; }
.material-guide__image--oak { background-position: 50% 0; }
.material-guide__image--ash { background-position: 100% 0; }
.material-guide__image--cherry { background-position: 0 50%; }
.material-guide__image--maple { background-position: 50% 50%; }
.material-guide__image--birch { background-position: 100% 50%; }
.material-guide__image--chestnut { background-position: 0 100%; }
.material-guide__image--beech { background-position: 50% 100%; }
.material-guide__image--red-oak { background-position: 100% 100%; }

.material-guide__eyebrow {
	margin: 0 0 10px;
	font-size: var(--font-size_s);
	letter-spacing: 0.1em;
	color: var(--color_04);
}

.material-guide__title {
	margin: 0 0 18px;
	font-size: var(--font-size_ll);
	font-weight: 400;
	line-height: 1.35;
}

.material-guide__text {
	margin: 0;
	line-height: 2;
}

@media screen and (max-width: 699px) {
	.material-guide__intro {
		margin-bottom: 40px;
		font-size: var(--font-size_s);
	}

	.material-guide__toc {
		margin-bottom: 50px;
		padding: 25px 20px;
	}

	.material-guide__toc ol {
		grid-template-columns: repeat(2, 1fr);
		gap: 8px 20px;
		font-size: var(--font-size_s);
	}

	.material-guide__item {
		grid-template-columns: 1fr;
		gap: 25px;
		padding: 35px 0;
	}

	.material-guide__image {
		aspect-ratio: 16 / 10;
	}

	.material-guide__title {
		margin-bottom: 12px;
		font-size: var(--font-size_l);
	}

	.material-guide__text {
		font-size: var(--font-size_s);
	}
}