.sp440 {
  display: none;
}

@media screen and (min-width: 751px) {
  a[href^="tel:"] {
    pointer-events: none;
  }
  .sp {
    display: none;
  }
  header.show .h_box {
    padding: 0;
  }
  .sec_r {
    position: sticky;
    top: 80px;
    position: -webkit-sticky;
    padding-top: 10px;
  }
  .sec_r {
    padding-top: 0;
  }
  .sec_r__khoa-hoc {
    position: absolute;
    top: 0;
    right: 0;
    transition: 0.3s;
  }
  /* .sec_r__khoa-hoc.show {
    position: sticky;
    top: 100px;
  } */
  .sec_r_content_empty {
    position: static;
    top: 60px;
  }
  /* nav */
  .hamburger {
    display: none;
  }
  .h_nav {
    display: flex;
    justify-content: center;
    padding: 4px 0;
  }
  .nav_list {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 4px 85px;
  }
  .nav_list > li {
    position: relative;
  }
  .nav_list > li:not(:last-child) {
    margin-right: 0;
  }
  .nav_list > li .sub_btn,
  .nav_list > li > a,
  .nav_list > li.parent .nav-parent-link,
  .nav_list > li.parent .nav-parent-label {
    display: flex;
    align-items: center;
    gap: 6px;
    position: relative;
    font-weight: 600;
    padding: 10px 18px;
    height: 44px;
    color: var(--txt);
    border-radius: 8px;
    transition: 0.2s;
    text-decoration: none;
  }
  .nav_list > li.parent .nav-parent-item {
    display: inline-flex;
    align-items: center;
    position: relative;
    padding-right: 7px;
    color: var(--txt);
    transition: color 0.2s;
  }
  .nav_list > li.parent:hover .nav-parent-item {
    color: var(--purple);
  }
  .nav_list > li.parent .sub_toggle {
    display: none;
  }
  .nav_list > li.parent > .sub_btn::after,
  .nav_list > li.parent .nav-parent-item::after {
    content: "";
    width: 8px;
    height: 8px;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: rotate(45deg);
    margin-top: -4px;
    transition: 0.2s;
    position: absolute;
    right: -5px;
    top: 50%;
    margin-top: -6px;
    pointer-events: none;
  }
  .nav_list > li:hover > a,
  .nav_list > li:hover > .sub_btn,
  .nav_list > li.parent:hover .nav-parent-link,
  .nav_list > li.parent:hover .nav-parent-label,
  .nav_list > li.current-menu-item > a {
    background: var(--l_purple);
  }
  .nav_list > li:hover > .sub_btn::after,
  .nav_list > li.parent:hover .nav-parent-item::after {
    transform: rotate(225deg);
    margin-top: -2px;
  }
  .nav_list > li.parent > a {
    cursor: default;
  }
  .sub {
    position: absolute;
    z-index: 1;
    transition: all 0.3s;
    opacity: 0;
    visibility: hidden;
    top: calc(100% + 4px);
    left: 0;
    min-width: 240px;
    padding: 10px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(11, 7, 51, 0.12);
  }
  .sub::before {
    content: "";
    position: absolute;
    top: -6px;
    left: 0;
    width: 100%;
    height: 6px;
  }
  .sub ul {
    display: flex;
    flex-direction: column;
    gap: 0;
  }
  .sub ul li a {
    border-bottom: none;
    padding: 7px 14px;
    background: transparent;
    display: block;
    border-radius: 8px;
    color: var(--txt);
    font-weight: 400;
    transition: 0.2s;
  }
  .parent {
    position: relative;
  }

  /*  FOOTER */
  .ft_bnn li:not(:last-child) {
    margin-right: 30px;
  }
  .ft_link a {
    white-space: nowrap;
  }

  /* hover */
  .hover_main .item_img {
    transition: 0.3s;
  }
  .hover_main:hover .item_img {
    box-shadow: 0 0 0 4px var(--scolor);
  }
  .s02_list a:hover .item_ttl {
    color: var(--scolor);
  }
  .ft_link ul li > a:hover {
    color: var(--red);
    text-decoration: none;
  }
  .parent:hover .sub {
    opacity: 1;
    transform: translate(0, 0);
    visibility: visible;
  }
  .sub a:hover {
    background-color: var(--l_purple);
    text-decoration: none;
    padding-left: 17px;
  }
  .ft_bnn li a:hover {
    opacity: 0.8;
  }
  .to_top:hover {
    background-color: var(--txt);
  }
  .item_lo-trinh:hover .btn a,
  .btn a:hover {
    background: #333;
    color: #fff;
  }
  .list_social li a {
    transition: 0.3s;
  }
  .list_social li a:hover {
    transform: translateY(-5px);
  }
  .btn_form:hover {
    background: var(--txt);
    color: #fff;
  }
}

@media screen and (min-width: 751px) and (max-width: 1800px) {
  #wrapper {
    min-width: 1200px;
  }
  .sec_r_list_news a .news_img {
    width: 80px;
  }
  .sec_r_ttl {
    line-height: 1.5em;
    margin-bottom: 10px;
  }
  .sec01_h3 {
    padding-right: 40px;
  }
  .sec04 .col_l {
    width: 40%;
  }
  .sec04 .col_r {
    width: 60%;
  }
  .s05_title {
    font-size: 30px;
  }
}

/* screen-min:750px */
@media screen and (max-width: 750px) {
  :root {
    --mfont-size: 16px;
  }
  img {
    max-width: 100%;
    height: auto;
  }
  #wrapper,
  header,
  main,
  footer,
  .inner {
    width: 100% !important;
    min-width: unset !important;
  }
  .pc {
    display: none !important;
  }
  #wrapper {
    overflow: hidden;
  }

  header .ft_social {
    display: none;
  }
  .h_top {
    flex-wrap: nowrap;
    align-items: center;
    gap: 6px;
    padding: 8px 0;
  }
  .h_left {
    width: auto;
    flex: 0 0 auto;
    margin-right: 0;
  }
  .h_left #logo {
    width: 96px;
  }
  .h_left #logo img {
    width: 96px;
    height: auto;
  }
  .h_contact {
    display: none;
  }
  .h_actions {
    display: flex;
    flex: 1 1 auto;
    align-items: center;
    justify-content: flex-end;
    gap: 4px;
    min-width: 0;
    margin-left: auto;
  }
  .h_actions .h_btn {
    gap: 4px;
    min-height: 32px;
    padding: 5px 8px 4px;
    font-size: 11px;
    line-height: 1.2;
  }
  .h_actions .h_btn__icon {
    width: 12px;
    height: 12px;
  }
  .h_actions .h_btn--primary .h_btn__icon::before,
  .h_actions .h_btn--ghost .h_btn__icon--user::before {
    width: 12px;
    height: 12px;
  }
  .h_actions .h_btn__label--desktop {
    display: none;
  }
  .h_actions .h_btn__label--mobile {
    display: inline;
  }
  .h_nav {
    border: none;
  }

  /* NAV */
  header nav {
    display: block;
    position: fixed;
    top: 60px;
    left: 0;
    width: 100%;
    height: calc(100vh - 60px);
    overflow: auto;
    padding-bottom: 80px;
    z-index: 100;
    display: none;
    background: #0b0733;
  }
  nav .inner {
    padding: 0;
  }
  .nav_list {
    flex-direction: column;
  }
  .nav_list ul,
  .nav_list li {
    width: 100%;
  }
  .nav_list .parent .sub ul li {
    background: #fff;
  }
  .nav_list .parent .sub ul li:not(:last-child) {
    border-bottom: 1px solid var(--txt);
  }
  .nav_list .sub_btn,
  .nav_list a,
  .nav_list .nav-parent-link,
  .nav_list .nav-parent-label {
    display: block;
    padding: 13px 15px 12px;
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    border-bottom: 1px solid #fff;
    font-weight: 500;
    text-decoration: none;
  }
  .nav_list > li.parent .nav-parent-item {
    display: flex;
    align-items: stretch;
    border-bottom: 1px solid #fff;
    padding-right: 0;
    color: #fff;
  }
  .nav_list > li.parent .nav-parent-item::after {
    display: none;
  }
  .nav_list > li.parent .nav-parent-link,
  .nav_list > li.parent .nav-parent-label {
    flex: 1;
    min-width: 0;
    border-bottom: none;
  }
  .nav_list > li.parent .sub_toggle {
    position: relative;
    flex-shrink: 0;
    width: 52px;
    margin: 0;
    padding: 0;
    border: none;
    border-left: 1px solid #fff;
    background: transparent;
    cursor: pointer;
  }
  .nav_list > li.parent .sub_toggle::before,
  .nav_list > li.parent .sub_toggle::after {
    content: "";
    position: absolute;
    width: 16px;
    height: 2px;
    background-color: #fff;
    top: calc(50% - 1px);
    left: calc(50% - 8px);
    transition: all 0.3s;
  }
  .nav_list > li.parent .sub_toggle::after {
    transform: rotate(-90deg);
  }
  .nav_list > li.parent .sub_toggle.open::after {
    transform: rotate(0);
  }
  .nav_list .sub_btn {
    position: relative;
    padding-left: 15px;
  }
  .nav_list .sub_btn::before,
  .nav_list .sub_btn::after {
    content: "";
    position: absolute;
    width: 16px;
    height: 2px;
    background-color: #fff;
    top: calc(50% - 1px);
    right: 10px;
    transition: all 0.3s;
  }
  .nav_list .sub_btn::after {
    transform: rotate(-90deg);
  }
  .nav_list .sub_btn.open::after {
    transform: rotate(0);
  }

  .sub {
    display: none;
  }
  .sub ul:not(:last-child) {
    margin-bottom: 15px;
  }
  .sub a {
    color: #0b0733;
    border-bottom: none;
    font-size: 15px;
  }
  .h_top .hamburger {
    position: relative;
    top: auto;
    right: auto;
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    padding: 5px;
    margin: 0;
    font: inherit;
    overflow: visible;
    cursor: pointer;
    transition-timing-function: linear;
    transition-duration: 0.15s;
    transition-property: opacity, filter;
    text-transform: none;
    color: inherit;
    border: 0;
    z-index: 101;
  }
  .h_top .hamburger-box {
    width: 28px;
    height: 18px;
  }
  .h_top .hamburger-inner,
  .h_top .hamburger-inner::after,
  .h_top .hamburger-inner::before {
    width: 28px;
    height: 2px;
  }
  .h_top .hamburger-inner::before {
    top: -8px;
  }
  .h_top .hamburger-inner::after {
    bottom: -8px;
  }

  /*=====================================================
                          C U S T O M
    ======================================================*/

  .title {
    font-size: 22px;
    padding: 0;
    line-height: 1.3em;
    margin-bottom: 15px;
  }

  /*============ HEADER ============*/
  .h_box {
    height: 65px;
    padding: 10px 0;
    display: flex;
    align-items: center;
  }
  header.show .h_inner,
  .h_inner {
    padding: 0;
  }
  #logo {
    width: 110px;
  }
  .h_right {
    width: auto;
    margin-right: 50px;
  }

  /*============ Main ============*/
  main {
    padding-top: 60px;
  }
  .section_container {
    flex-direction: column;
  }
  /*SECTION LEFT*/
  .sec_l {
    width: 100%;
    padding: 0;
    margin-bottom: 30px;
  }
  .col_l,
  .col_r {
    width: 100%;
  }
  .col_l {
    margin-bottom: 15px;
  }
  .sec_2col {
    flex-direction: column;
  }
  /* sec02 */
  .s02_list {
    flex-direction: column;
  }
  .s02_list .item_ytb {
    width: 100%;
  }
  /*sec03*/
  .lo-trinh-list {
    flex-direction: column;
  }
  .lo-trinh-list .item_lo-trinh {
    width: 100%;
    padding-bottom: 60px;
  }
  .lo-trinh-list .item_lo-trinh .btn {
    bottom: 10px;
  }
  /* sec05 */
  .gallery-3fr {
    gap: 16px;
  }
  .gallery-3fr .item_3fr {
    width: calc(50% - 8px);
    padding: 0;
  }
  .gallery-3fr::after,
  .gallery-3fr::before {
    aspect-ratio: 3/2;
    height: auto;
    width: 100px;
    right: 0;
  }
  /* sec06 */
  .s06_content {
    width: 100%;
  }
  .s06_item {
    width: calc(50% - 10px);
  }
  .s06_item {
    font-size: 16px;
    line-height: 1.5em;
    padding: 8px 15px 7px;
  }
  .moira_banner .bnr_txt {
    font-size: 20px;
  }
  .moira_banner .bnr_logo {
    width: 50px;
    flex-shrink: 0;
  }
  .moira_banner .bnr_btn {
    width: 120px;
    flex-shrink: 0;
  }
  .moira_banner .bnr_btn a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 1px 10px;
  }
  /*SECTION RIGHT*/
  .sec_r {
    width: 100%;
    max-width: 360px;
    margin: 0 auto;
  }
  .sec_r_ttl {
    font-size: 24px;
  }

  /*============ FOOTER ============*/
  footer {
    margin-bottom: 50px;
  }
  .ft_top {
    flex-direction: column;
  }
  .ft_social {
    margin-bottom: 30px;
  }
  .ft_info_tel a {
    font-size: 20px;
    padding-left: 25px;
  }
  .ft_info_tel a::before {
    width: 16px;
    height: 16px;
    top: calc(50% - 8px);
  }
  .ft_bot {
    flex-direction: column;
  }
  .ft_box {
    width: 100%;
  }
  .ft_logo {
    text-align: center;
  }
  .ft_social li:not(:last-child) {
    margin-right: 0;
  }
  .ft_info_logo {
    margin-bottom: 10px;
  }
  .ft_social_box {
    padding-top: 19px;
  }
  .ft_link a {
    font-size: 14px;
  }

  /* sp contact */
  .sp_contact {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 50px;
    position: fixed;
    left: 0;
    z-index: 99;
    bottom: -55px;
    transition: all 0.3s;
  }
  .sp_contact.show {
    bottom: 0;
  }
  .sp_contact li {
    width: 50%;
    height: 100%;
  }
  .sp_contact li a {
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #fff;
    font-size: 15px;
    font-family: var(--f-roboto);
    font-weight: 700;
    letter-spacing: 0.05em;
  }
  .sp_contact li a span {
    position: relative;
    padding-left: 25px;
  }
  .sp_contact li a span::before {
    content: "";
    position: absolute;
    width: 16px;
    height: 16px;
    left: 0px;
    top: calc(50% - 7px);
  }
  .sp_contact_tel {
    background-color: var(--mcolor);
  }
  .sp_contact_tel a span::before {
    background: url(../images/phone_ic.png) no-repeat center / cover;
  }
  .sp_contact_mail {
    background-color: var(--scolor);
  }
  .sp_contact_mail a span::before {
    background: url(../images/mail_ic.png) no-repeat center / cover;
  }

  /* to top */
  .to_top {
    width: 40px;
    height: 40px;
    right: 10px;
    bottom: 60px;
  }
  .to_top a img {
    bottom: 0;
    position: absolute;
  }
  .to_top::before {
    width: 10px;
    height: 10px;
    left: 10px;
    top: 10px;
  }
  .to_top::after {
    width: 10px;
    height: 10px;
    left: 10px;
    top: 20px;
  }
  /*============ END 750 ============ */
}

@media screen and (max-width: 639px) {
  .s06_item {
    width: 100%;
  }
}

/* screen-max:460px */
@media screen and (max-width: 440px) {
  .sp440 {
    display: block !important;
  }
  .pc440 {
    display: none !important;
  }

  .ft_bnn li {
    width: 100%;
  }
  .s02_list {
    grid-template-columns: repeat(1, 1fr);
  }
}

/* screen-max: 360px */
@media screen and (max-width: 360px) {
}