/* 建設・工事サービスページ固有スタイル */

/* メインビジュアル アニメーション */
@keyframes construction-bg-animation {
    0%, 100% { background-image: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)), url('/img/construction/109235659.jpg'); }
    25% { background-image: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)), url('/img/construction/163335878.jpg'); }
    50% { background-image: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)), url('/img/construction/184653922.jpg'); }
    75% { background-image: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)), url('/img/construction/281803762.jpg'); }
}

.hero.construction {
    /* 共通スタイルは main.css に依存 */
    animation: construction-bg-animation 20s infinite; /* 20秒で1周、無限ループ */
}