/* Smartmart フッター */

.site-footer {
    background: #1a1a1a;
    border-top: 1px solid rgba(255,255,255,0.1);
    margin-top: 80px;
    padding: 0;
}

.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 段1: ブランド */
.footer-brand-row {
    padding: 48px 0 32px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    text-align: center;
}

.footer-logo {
    display: inline-block;
    margin-bottom: 12px;
}

.footer-logo img {
    height: 36px;
    width: auto;
    filter: brightness(0) invert(1);
}

.footer-brand p {
    color: #999;
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 0;
}

.social-links {
    margin-top: 20px;
    display: flex;
    justify-content: center;
    gap: 12px;
}

.social-links a {
    display: inline-flex;
    width: 36px;
    height: 36px;
    background: rgba(255,255,255,0.08);
    border-radius: 50%;
    align-items: center;
    justify-content: center;
    color: #999;
    transition: all 0.3s;
    font-size: 14px;
}

.social-links a:hover {
    background: var(--primary-color, #0071e3);
    color: white;
    transform: translateY(-2px);
}

/* 段2: リンク群 */
.footer-links-row {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 32px 24px;
    padding: 36px 0;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-col h4 {
    color: white;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 14px;
}

.footer-col ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-col ul li {
    margin-bottom: 8px;
}

.footer-col ul li a {
    color: #888;
    text-decoration: none;
    font-size: 12px;
    transition: color 0.2s;
}

.footer-col ul li a:hover {
    color: #0dcaf0;
}

/* 段3: 会社情報 + コピーライト（1行） */
.footer-bottom-row {
    padding: 24px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom-links {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

.footer-bottom-links a {
    color: #888;
    text-decoration: none;
    font-size: 12px;
    transition: color 0.2s;
}

.footer-bottom-links a:hover {
    color: #0dcaf0;
}

.footer-copyright {
    color: #666;
    font-size: 12px;
    margin: 0;
    flex-shrink: 0;
}

/* レスポンシブ */
@media (max-width: 1024px) {
    .footer-links-row {
        grid-template-columns: repeat(3, 1fr);
        gap: 28px 24px;
    }
}

@media (max-width: 768px) {
    .footer-links-row {
        grid-template-columns: repeat(2, 1fr);
        gap: 28px 20px;
    }

    .footer-bottom-row {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }

    .footer-bottom-links {
        justify-content: center;
        gap: 12px;
    }
}

@media (max-width: 480px) {
    .footer-links-row {
        grid-template-columns: 1fr;
    }

    .footer-brand-row {
        padding: 32px 0 24px;
    }
}