/* メインコンテナ */
.main-container {
    max-width: 1200px;
	width: auto;
	margin: 2rem auto;
	padding: 0 2rem;
    display: grid;
    gap: 4rem;
}

/* 記事カード */
.article-card {
    background: white;
    border-radius: 8px;
    overflow: hidden;
	max-width: 720px;
	margin: 3rem auto;
    box-shadow: 0 3px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    border: 1px solid var(--border-light);
}

.article-card:hover {
    transform: translateY(-5px);
    /* 熾火の表現: カードの影を暖色系のグロー（発光）に変更 */
    border-color: var(--soft-ember);
    box-shadow: 0 8px 25px rgba(211, 84, 0, 0.2);
}

@keyframes gentle-glow {
    0%, 100% { opacity: 0.3; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.05); }
}
/* ======================================= */
.article-content {
    padding: 2rem 2.5rem 2.5rem;
}

.post-title {
    font-family: 'Noto Serif JP', serif;
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--sumi-black);
    margin-bottom: 1rem;
    line-height: 1.4;
}

/* レスポンシブ */
@media (max-width: 1024px) {
	.main-container {
	    grid-template-columns: 1fr;
	}
}
@media (max-width: 768px) {
	.article-card {
		margin: 1rem auto;
	}
	.article-content {
		padding: 1rem;
	}
	.post-title {
		font-size: 1.4rem;
	}
	.article-content p {
		font-size: 0.8rem;
	}
}