/* Content gallery block (left text + right 3 or 4 images with captions)
   Breakpoint: PC 768px+ / SP 767px- */

.content-gallery-block {
    padding-bottom: var(--space-12xl);
}

.content-gallery-block:not(.content-section--after-hero-image) {
    padding-top: var(--space-12xl);
}

.content-gallery-block__inner {
    max-width: var(--content-max-width);
    margin-inline: auto;
    padding-inline: var(--content-inner-padding-inline);
}

.content-gallery-block__gallery {
    display: grid;
    gap: var(--space-md);
}

/* 3 images: left 1 (tall, centered), right column 2 stacked */
.content-gallery-block__gallery--3 {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    align-items: stretch;
}

.content-gallery-block__gallery--3 .content-gallery-block__item:first-child {
    grid-column: 1;
    grid-row: 1 / -1;
    align-self: center;
}

.content-gallery-block__gallery--3 .content-gallery-block__item:nth-child(2) {
    grid-column: 2;
    grid-row: 1;
}

.content-gallery-block__gallery--3 .content-gallery-block__item:nth-child(3) {
    grid-column: 2;
    grid-row: 2;
}

/* 4 images: 2x2 */
.content-gallery-block__gallery--4 {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
}

.content-gallery-block__item {
    margin: 0;
    display: flex;
    flex-direction: column;
}

.content-gallery-block__image {
    display: block;
    width: 250px;
    height: 250px;
    object-fit: cover;
    border-radius: var(--radius-md);
}

.content-gallery-block__gallery--3 .content-gallery-block__item:first-child .content-gallery-block__image {
    width: 250px;
    height: 250px;
    object-fit: cover;
}

.content-gallery-block__caption {
    padding: var(--space-sm) 0 0;
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: var(--space-xxs);
}

.content-gallery-block__caption-title {
    font-size: var(--fs-md);
    font-weight: bold;
    display: block;
}

.content-gallery-block__caption-text {
    font-size: var(--fs-sm);
    line-height: var(--lh-loose);
    color: var(--color-text);
}

/* SP: body first, then horizontal scroll gallery */
@media (max-width: 767px) {
    .content-gallery-block {
        padding-bottom: var(--space-4xl);
    }

    .content-gallery-block.content-section--after-hero-image {
        padding-bottom: 0;
    }

    .content-gallery-block:not(.content-section--after-hero-image) {
        padding-top: var(--space-4xl);
    }

    .content-gallery-block__inner {
        display: flex;
        flex-direction: column;
        gap: var(--space-lg);
        margin-bottom: var(--space-4xl);
    }

    .content-block__body {
        order: 0;
    }

    .content-gallery-block__gallery {
        order: 1;
        display: flex;
        align-items: flex-start;
        overflow-x: auto;
        gap: var(--space-md);
        padding-bottom: var(--space-xs);
        margin-inline: calc(-1 * var(--content-inner-padding-inline));
        scroll-snap-type: x mandatory;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        -ms-overflow-style: none;
    }

    .content-gallery-block__gallery::-webkit-scrollbar {
        display: none;
    }

    @media (prefers-reduced-motion: reduce) {
        .content-gallery-block__gallery {
            scroll-snap-type: none;
        }
    }

    .content-gallery-block__gallery::before {
        content: '';
        flex: 0 0 max(0px, calc(var(--content-inner-padding-inline) - var(--space-md)));
        scroll-snap-align: start;
    }

    .content-gallery-block__gallery--3,
    .content-gallery-block__gallery--4 {
        grid-template-columns: unset;
        grid-template-rows: unset;
    }

    .content-gallery-block__gallery .content-gallery-block__item {
        flex: 0 0 auto;
        width: max-content;
        max-width: 250px;
        scroll-snap-align: start;
    }

    .content-gallery-block__gallery .content-gallery-block__item:last-child {
        margin-right: var(--content-inner-padding-inline);
    }

    .content-gallery-block__gallery .content-gallery-block__item .content-gallery-block__image {
        width: 250px;
        height: 250px;
    }

    .content-gallery-block__gallery .content-gallery-block__caption {
        width: 100%;
        box-sizing: border-box;
        overflow-wrap: break-word;
    }

    .content-block__content {
        font-size: var(--fs-sm);
    }
}

/* PC: 6fr 4fr grid, body left, gallery right */
@media (min-width: 768px) {
    .content-gallery-block__inner {
        display: grid;
        grid-template-columns: 6fr 4fr;
        gap: var(--space-4xl);
        align-items: center;
    }

    .content-block__body {
        grid-column: 1;
        grid-row: 1;
    }

    .content-gallery-block__gallery {
        grid-column: 2;
        grid-row: 1;
    }

    /* 3枚時: 右側グリッドの高さを揃える */
    .content-gallery-block__gallery--3 {
        min-height: 320px;
    }
}