/**
 * 共通フッター（全ページ）
 */
.footer {
    position: relative;
    background: linear-gradient(165deg, #0c1222 0%, #151d32 48%, #0f1628 100%);
    color: #e8ecf4;
    padding: 0 0 32px;
    font-size: 0.95rem;
    overflow: hidden;
}

.footer::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #0066cc 0%, #436ceb 50%, #5eb8ff 100%);
}

.footer-inner {
    max-width: 1120px;
    margin: 0 auto;
    padding: 56px 24px 0;
}

.footer-main {
    display: grid;
    grid-template-columns: minmax(260px, 1.1fr) minmax(0, 1.6fr);
    gap: 48px 56px;
    align-items: start;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.footer-logo-wrap {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: fit-content;
    padding: 14px 18px;
    background: rgba(255, 255, 255, 0.96);
    border-radius: 14px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
}

.footer-logo-img {
    height: 72px;
    width: auto;
    display: block;
}

.footer-text-block {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-company-name {
    font-size: 1.35rem;
    font-weight: 900;
    color: #fff;
    margin: 0;
    line-height: 1.35;
    letter-spacing: 0.02em;
}

.footer-tagline {
    margin: 0;
    font-size: 0.88rem;
    line-height: 1.65;
    color: rgba(255, 255, 255, 0.55);
}

.footer-address {
    margin: 0;
    line-height: 1.75;
    color: rgba(255, 255, 255, 0.72);
    font-size: 0.9rem;
}

.footer-menus {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 28px 36px;
}

.footer-menu-col {
    min-width: 0;
}

.footer-menu-title {
    margin: 0 0 18px;
    padding-bottom: 10px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.45);
    border-bottom: 2px solid rgba(67, 108, 235, 0.55);
}

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

.footer-menu-col li {
    margin-bottom: 12px;
}

.footer-menu-col li:last-child {
    margin-bottom: 0;
}

.footer-menu-col a {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: rgba(255, 255, 255, 0.82);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.92rem;
    line-height: 1.5;
    transition: color 0.2s ease, transform 0.2s ease;
}

.footer-menu-col a:hover {
    color: #fff;
    transform: translateX(3px);
}

.footer-menu-col a[target="_blank"]::after {
    content: "↗";
    font-size: 0.75em;
    opacity: 0.55;
}

.footer-copyright {
    text-align: center;
    margin: 28px 0 0;
    padding-top: 0;
    font-size: 0.78rem;
    color: rgba(255, 255, 255, 0.38);
    letter-spacing: 0.04em;
}

@media (max-width: 900px) {
    .footer-main {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .footer-menus {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 600px) {
    .footer-inner {
        padding-top: 48px;
    }

    .footer-info {
        align-items: center;
        text-align: center;
    }

    .footer-logo-wrap {
        margin: 0 auto;
    }

    .footer-text-block {
        align-items: center;
    }

    .footer-menus {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .footer-menu-col {
        text-align: center;
    }

    .footer-menu-title {
        display: inline-block;
    }

    .footer-menu-col a:hover {
        transform: none;
    }
}