.footer-logo img {
    max-width: 200px;
    height: auto;
}

.footer-produced-logo img {
    max-width: 200px;
    height: auto;
}

.sns-icon {
    --size: 36px;

    display: inline-flex;
    align-items: center;
    justify-content: center;

    width: var(--size);
    height: var(--size);
    aspect-ratio: 1 / 1;
    border-radius: 50%;

    background: #4d4d4d;
    color: #fff;

    padding: 0;
    margin: 0;
    line-height: 1;
    text-decoration: none;
    box-sizing: content-box;
    transition: opacity .2s;
}

.sns-icon:hover {
    opacity: .8;
}

/* —— アイコンフォント —— */
.sns-icon .bi {
    font-size: calc(var(--size) * 0.5); /* 24px 相当 */
    line-height: 1;
    display: block; /* baseline 無効化 */
}


@media (max-width: 767.98px) {
    .footer-menu-list .nav-link {
        display: inline-block;
        font-size: 0.85rem;
        padding: 0.5rem 0.75rem;
        border-right: none;
        border-bottom: 1px solid #ccc;
    }

    .footer-menu-list {
        justify-content: center;
        text-align: center;
    }

    .footer .btn i {
        font-size: 1.2rem;
    }

    footer .footer-logo img {
        max-width: 160px;
        height: auto;
    }

    footer .footer-produced-logo img {
        max-width: 150px;
        height: auto;
    }
}