/* ====== メガメニュー共通 ====== */
.has-mega {
    position: static;
}

.mega {
    position: absolute;
    left: 50%;
    transform: translateX(-50%) translateY(6px);
    top: 100%;
    width: 100%;
    background: #f7fbf8;
    border: 1px solid #e8efe9;
    box-shadow: var(--shadow);
    opacity: 0;
    pointer-events: none;
    visibility: hidden;
    transition: opacity .18s ease, transform .18s ease, visibility .18s;
}

/* hover + キーボード（フォーカス）で開く */
.has-mega:hover .mega,
.has-mega:focus-within .mega {
    opacity: 1;
    pointer-events: auto;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.mega-inner {
    padding: 22px;
    display: grid;
    gap: 18px
}

.mega-header {
    display: flex;
    align-items: baseline;
    gap: 10px
}

.mega-title {
    font-size: 18px;
    font-weight: 800;
    color: var(--brand-ink);
    letter-spacing: .06em
}

.mega-sub {
    font-size: 12px;
    color: var(--muted)
}

/* カードグリッド */
.mega-grid {
    display: grid;
    grid-template-columns:repeat(auto-fit, minmax(30%, 1fr));
    gap: 14px;
}

.mega-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 16px 14px;
    background: #fff;
    border: 1px solid #e8efe9;
    border-radius: var(--radius);
    font-weight: 700;
    transition: transform .12s ease, box-shadow .12s ease, border-color .12s ease;
}

.mega-grid a:first-child {
    display: none;
}

.mega-card:hover,
.mega-card:focus-visible {
    transform: translateY(-1px);
    border-color: #d9e7de;
    box-shadow: 0 6px 18px rgba(0, 0, 0, .06);
}

.mega-card svg {
    flex: none;
    width: 18px;
    height: 18px
}

/* 右端の補助リンク行 */
.mega-foot {
    display: flex;
    justify-content: flex-end;
}

.ghost {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    border-radius: 999px;
    border: 1px dashed #cfe3d6;
    color: var(--brand-ink);
    background: #fff;
    font-weight: 600;
}

.ghost:hover {
    background: #f3faf6;
    border-style: solid
}

/* モーション軽減 */
@media (prefers-reduced-motion:reduce) {

    .mega,
    .mega-card {
        transition: none
    }
}