/* ================================================
   activities.css — 活動内容概要ページ固有スタイル
   ================================================ */

.activities-hero {
    position: relative;
    overflow: hidden;
    text-align: center;
    padding: 92px 0 72px;
    background: linear-gradient(145deg, #eaf4fb 0%, #f7f6f1 100%);
}

.activities-hero__title {
    font-size: clamp(2rem, 4vw, 2.7rem);
    margin-bottom: 14px;
}

.activities-hero__sub {
    max-width: 620px;
    margin: 0 auto;
    color: var(--text-sub);
}

.activity-section:nth-child(even) {
    background: var(--bg-cream);
}

.activity-section:nth-child(odd) {
    background: var(--bg-white);
}

.activity-block {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 58px;
    align-items: center;
}

.activity-block--reverse {
    direction: rtl;
}

.activity-block--reverse>* {
    direction: ltr;
}

.activity-block__image {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    border-radius: var(--radius-stadium);
    border: 1px solid rgba(30, 85, 123, 0.14);
    box-shadow: var(--shadow-md);
}

.activity-block__content {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.activity-block__en {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--sunset-orange-dark);
}

.activity-block__title {
    font-size: clamp(1.48rem, 3vw, 1.9rem);
}

.activity-block__text {
    color: var(--text-sub);
    line-height: 1.95;
}

@media (max-width: 1024px) {
    .activity-block,
    .activity-block--reverse {
        grid-template-columns: 1fr;
        gap: 30px;
        direction: ltr;
    }

    .activity-block__image {
        max-width: 560px;
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    .activities-hero {
        padding: 72px 0 56px;
    }

    .activities-hero__title {
        font-size: 1.85rem;
    }
}