.tkbv-registry-help {
    display: block;
    margin: 4px 0 10px;
    font-size: 13px;
    line-height: 1.35;
}
.tkbv-required-mark {
    margin-left: 3px;
    color: #b32d2e;
    font-weight: 700;
}
.woocommerce-checkout #billing_company::placeholder,
.woocommerce-checkout #tkbv_registry_code::placeholder,
.woocommerce-checkout #tkbv_vat_number::placeholder {
    opacity: .45;
}
.woocommerce-checkout #tkbv_vat_number:disabled {
    opacity: .65;
}


/* TKBV: WooCommerce marks conditionally-required fields as optional because they are not globally required.
   Hide that technical label for this B2B block to avoid confusing customers. */
.woocommerce-checkout .tkbv-business-toggle .optional,
.woocommerce-checkout .tkbv-business-field .optional,
.woocommerce-checkout #tkbv_is_business_field .optional,
.woocommerce-checkout #billing_company_field .optional,
.woocommerce-checkout #tkbv_registry_code_field .optional,
.woocommerce-checkout #tkbv_vat_number_field .optional,
.woocommerce-checkout #tkbv_not_vat_liable_field .optional {
    display: none !important;
}