/* PC用 (922px以上) */
@media (min-width: 922px) {
    .ast-below-header-wrap.is-custom-sticky {
        position: fixed !important;
        top: 0 !important;
        left: 0 !important;
        width: 100% !important;
        z-index: 9999 !important;
        background-color: #ffffff !important;
        box-shadow: 0 2px 10px rgba(0,0,0,0.1) !important;
        animation: slideDown 0.3s ease-out;
    }
}

/* スマホ用 (921px以下) */
@media (max-width: 921px) {
    /* スマホヘッダー全体を固定する設定 */
    .ast-mobile-header-wrap.is-custom-sticky {
        position: fixed !important;
        top: 0 !important;
        left: 0 !important;
        width: 100% !important;
        z-index: 9999 !important;
        background-color: #ffffff !important;
        box-shadow: 0 2px 10px rgba(0,0,0,0.1) !important;
    }
    .ast-logo-title-inline .ast-site-identity {
        padding: 6px 0;
    }
    .site-logo-img img {
        width: auto;
        max-height: 60px;
    }
}

@keyframes slideDown {
    from { transform: translateY(-100%); }
    to { transform: translateY(0); }
}