/* ========================================
   Footer CSS - フッタースタイル
   ======================================== */

footer {
    background: white;
    border-top: 1px solid #E5E7EB;
    padding-top: 6rem;
    padding-bottom: 3rem;
}

/* フッターロゴ */
footer .logo {
    margin-bottom: 2rem;
}

/* フッターアドレス */
footer address {
    font-size: 0.875rem;
    color: var(--iron-gray);
    font-style: normal;
    font-weight: 700;
    line-height: 1.75;
}

footer address p {
    margin: 0.75rem 0;
}

footer address a {
    color: inherit;
    text-decoration: none;
    transition: color 0.3s ease;
}

footer address a:hover {
    color: var(--bronze-accent);
}

/* フッターナビゲーション */
footer nav[aria-label="フッターナビゲーション"] {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem 2rem;
}

@media (min-width: 768px) {
    footer nav[aria-label="フッターナビゲーション"] {
        grid-template-columns: repeat(4, 1fr);
        gap: 2rem 2rem;
    }
}

footer nav[aria-label="フッターナビゲーション"] section {
    display: flex;
    flex-direction: column;
}

footer nav[aria-label="フッターナビゲーション"] h2 {
    font-size: 11px;
    font-weight: 900;
    color: var(--deep-slate);
    margin-bottom: 1.5rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    border-bottom: 1px solid #F3F4F6;
    padding-bottom: 0.5rem;
}

footer nav[aria-label="フッターナビゲーション"] ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

footer nav[aria-label="フッターナビゲーション"] li {
    font-size: 13px;
    font-weight: 700;
}

/* フッターコピーライト・メタリンク */
footer .footer-meta {
    padding-top: 2rem;
    border-top: 1px solid #F3F4F6;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    gap: 1.5rem;
}

@media (min-width: 768px) {
    footer .footer-meta {
        flex-direction: row;
    }
}

footer .copyright {
    font-size: 10px;
    font-weight: 700;
    color: #9CA3AF;
    letter-spacing: 0.2em;
}

footer .meta-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem 2rem;
    font-size: 10px;
    font-weight: 900;
    color: #6B7280;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

footer .meta-links a {
    color: inherit;
    text-decoration: none;
    transition: color 0.3s ease;
}

footer .meta-links a:hover {
    color: var(--deep-slate);
}