@charset "UTF-8";

.site-footer {
    position: relative;
    overflow: hidden;
    background:
        linear-gradient(135deg, rgba(15, 23, 42, 0.96), rgba(30, 64, 175, 0.92)),
        #0f172a;
    color: #e5efff;
    font-family: "Noto Sans JP", "Inter", system-ui, sans-serif;
}

.site-footer::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 12% 18%, rgba(56, 189, 248, 0.24), transparent 34%),
        radial-gradient(circle at 86% 20%, rgba(34, 211, 238, 0.18), transparent 28%);
    pointer-events: none;
}

.footer-inner {
    position: relative;
    z-index: 1;
    width: min(1180px, calc(100% - 40px));
    margin: 0 auto;
    padding: clamp(42px, 6vw, 70px) 0 34px;
    display: grid;
    grid-template-columns: minmax(260px, 1.1fr) minmax(0, 1.6fr);
    gap: clamp(28px, 5vw, 68px);
}

.footer-brand img {
    display: block;
    width: 132px;
    height: auto;
    padding: 10px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.94);
}

.footer-brand p {
    max-width: 460px;
    margin: 18px 0 0;
    color: rgba(229, 239, 255, 0.82);
    font-size: 0.98rem;
    font-weight: 600;
    line-height: 1.9;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
}

.footer-links h2 {
    margin: 0 0 14px;
    color: #ffffff;
    font-size: 0.86rem;
    font-weight: 900;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.footer-links a {
    display: flex;
    align-items: center;
    min-height: 34px;
    color: rgba(229, 239, 255, 0.82);
    font-size: 0.95rem;
    font-weight: 800;
    line-height: 1.45;
    text-decoration: none;
    transition: color 0.18s ease, transform 0.18s ease;
}

.footer-links a:hover,
.footer-links a:focus {
    color: #ffffff;
    transform: translateX(2px);
}

.footer-bottom {
    position: relative;
    z-index: 1;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.footer-bottom p {
    width: min(1180px, calc(100% - 40px));
    margin: 0 auto;
    padding: 18px 0 22px;
    color: rgba(229, 239, 255, 0.68);
    font-size: 0.86rem;
    font-weight: 700;
}

@media (max-width: 820px) {
    .footer-inner,
    .footer-links {
        grid-template-columns: 1fr;
    }

    .footer-links {
        gap: 26px;
    }
}