html {
  scroll-behavior: smooth;
}
body * {
  box-sizing: border-box;
  display: flex;
  margin: 0px;
}

body * {
  box-sizing: border-box;
  display: flex;
  margin: 0px;
}
body {
  padding: 0px;
  margin: 0px;
  font-family: "Mukta", sans-serif;
  font-size: 16px;
}
.mtc-10 {
  margin-top: 10px;
}
.mtc-20 {
  margin-top: 20px;
}
.mtc-30 {
  margin-top: 30px;
}
.mtc-40 {
  margin-top: 40px;
}
.mtc-50 {
  margin-top: 50px;
}
.mtc-60 {
  margin-top: 60px;
}
.mbc-10 {
  margin-bottom: 10px;
}
.mbc-20 {
  margin-bottom: 20px;
}
.mbc-30 {
  margin-bottom: 30px;
}
.mbc-40 {
  margin-bottom: 40px;
}
.mbc-50 {
  margin-bottom: 50px;
}
.mobile-only {
  display: none;
}
.desktop-only {
  display: flex;
}

@media only screen and (min-width: 769px) {
  /* header and navbar */
  header {
    width: 100%;
    height: 70px;
    padding: 0% 7.5%;
    box-sizing: border-box;
    align-items: center;
    justify-content: space-between;
  }
  .header-logo img {
    width: 180px;
  }
  header > nav {
    /* width: calc(100% - 250px); */
    width: 70%;
    justify-content: space-between;
    height: 100%;
    max-width: 1000px;
  }
  header > nav > a {
    color: #576dda;
    flex-grow: 1;
    justify-content: center;
    height: 100%;
    text-decoration: none;
    padding-top: 22px;
  }
  header > nav > a:hover {
    border-top: 5px solid #29398a;
    box-shadow: inset 0px 0px 6px #5e5e5e29;
    cursor: pointer;
    padding-top: 17px;
  }

  /* footer */
  footer {
    background-color: #576dda;
    width: 100%;
    color: #ffffff;
    flex-direction: column;
    padding: 0% 7.5%;
  }
  .footer-menu {
    flex-basis: 100%;
    padding: 62px 0px 70px 0px;
  }
  .footer-box {
    flex-direction: column;
    flex-grow: 1;
  }
  .footer-box > a {
    color: #ededed;
    text-decoration: none;
    font-size: 16px;
  }
  .footer-box > a:nth-child(2) {
    padding: 17px 0px;
  }
  .footer-under {
    flex-basis: 100%;
    justify-content: space-between;
    padding-bottom: 50px;
  }
  .footer-under > div:nth-child(1) {
    flex-direction: column;
  }
  .footer-logo {
    margin-bottom: 12px;
  }
  .footer-copyright {
    font-size: 14px;
  }
  .footer-under > div:nth-child(2) > img:nth-child(1) {
    margin-right: 18px;
  }
  .footer-under-box > img {
    height: 40px;
    cursor: pointer;
  }
  .footer-logo > img {
    width: 85px;
  }

  #topBtn {
    display: none;
    position: fixed;
    bottom: 20px;
    right: 30px;
    z-index: 99;
    width: 80px;
    height: 80px;
    border: none;
    border-radius: 50%;
    background-color: #d4d9f5;
    cursor: pointer;
    justify-content: center;
    align-items: center;
    box-shadow: 0px 3px 6px #00000029;
  }

  #topBtn:hover {
    background-color: #697cd9;
  }
  .triangle {
    background-color: #ffffff;
    margin-bottom: 3px;
  }
  .triangle:before,
  .triangle:after {
    content: "";
    position: absolute;
    background-color: inherit;
  }
  .triangle,
  .triangle:before,
  .triangle:after {
    width: 15px;
    height: 15px;
    border-top-right-radius: 25%;
  }

  .triangle {
    transform: rotate(-60deg) skewX(-30deg) scale(1, 0.866);
  }
  .triangle:before {
    transform: rotate(-135deg) skewX(-45deg) scale(1.414, 0.707)
      translate(0, -50%);
  }
  .triangle:after {
    transform: rotate(135deg) skewY(-45deg) scale(0.707, 1.414) translate(50%);
  }

  /* home banner */
  .home-banner {
    width: 100%;
    height: 480px;
    background-image: url("../img/home/secco_head.jpeg");
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
    color: #ffffff;
    align-items: center;
    justify-content: center;
  }
  .home-opa {
    width: 100%;
    height: 480px;
    background: rgba(48, 50, 87, 0.4);
    flex-direction: column;
    align-items: center;
    justify-content: center;
  }
  .home-banner h1 {
    font-size: 100px;
    margin-top: -60px;
    text-shadow: 10px 10px 50px #343333;
  }
  .home-banner p {
    font-size: 38px;
    margin-top: -30px;
    text-shadow: 0px 3px 6px #7c7c7c;
    font-family: "Quattrocento Sans";
    font-style: italic;
  }
  .home-banner-box {
    width: 100%;
    height: 178px;
  }
  .home-banner-box img {
    width: 25%;
    object-fit: cover;
  }

  /* home intro */
  .home-intro-box {
    width: 100%;
    height: 390px;
    background-color: #ededed;
    flex-direction: column;
    justify-content: center;
    align-items: center;
  }
  .home-intro-box h2 {
    color: #29398a;
    font-size: 24px;
    margin-bottom: 20px;
    font-family: "Quattrocento Sans";
    font-weight: 700;
  }
  .home-intro-box p {
    color: #707070;
    font-size: 16px;
    width: 800px;
    text-align: center;
  }

  /* home project ref */
  .home-project-bg {
    width: 100%;
    height: 90px;
    justify-content: center;
    align-items: center;
  }
  .home-project-bg h2 {
    color: #29398a;
    font-size: 24px;
    font-family: "Quattrocento Sans";
    font-weight: 700;
  }
  .home-project-container {
    width: 100%;
    height: 240px;
  }
  .home-project-inside-box {
    height: 240px;
    min-width: 100%;
    overflow: hidden;
  }
  .project-box {
    height: 240px;
    width: calc(100% / 3);
    flex-shrink: 0;
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
  }
  .project-box-overlay {
    width: 100%;
    height: 100%;
    background-color: #0000005a;
    justify-content: center;
    align-items: center;
    cursor: pointer;
  }
  .project-box-overlay h4 {
    color: #ffffff;
    font-size: 20px;
    font-family: "Quattrocento Sans";
    font-weight: 700;
    text-shadow: 0px 3px 6px #141313;
  }

  /* home service ref */
  .home-service-bg {
    width: 100%;
    height: 90px;
    justify-content: center;
    align-items: center;
  }
  .home-service-bg h2 {
    color: #29398a;
    font-size: 24px;
    font-family: "Quattrocento Sans";
    font-weight: 700;
  }
  .home-service-container {
    width: 100%;
    height: 240px;
  }
  .home-service-inside-box {
    height: 240px;
    min-width: 100%;
    overflow: hidden;
  }
  .service-box {
    height: 240px;
    width: calc(100% / 3);
    flex-shrink: 0;
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
    text-decoration: none;
  }
  .service-box-overlay {
    width: 100%;
    height: 100%;
    background-color: #0000005a;
    justify-content: center;
    align-items: center;
    text-align: center;
    cursor: pointer;
  }
  .service-box-overlay:hover {
    background-color: #3d4d9e56;
  }
  .service-box-overlay:hover h4 {
    font-size: 22px;
  }
  .service-box-overlay h4 {
    color: #ffffff;
    font-size: 20px;
    font-family: "Quattrocento Sans";
    font-weight: 700;
    line-height: 160%;
    max-width: 70%;
    text-shadow: 0px 3px 6px #141313;
  }

  /* page header */
  .page-header-box {
    width: 100%;
    height: 150px;
    background: transparent
      linear-gradient(180deg, #576dda43 0%, #ffffff00 100%) 0% 0% no-repeat
      padding-box;
    align-items: center;
    padding: 0% 7.5%;
  }
  .page-header-list,
  .page-header-list a {
    color: #9e9e9e;
    text-decoration: none;
    font-size: 14px;
  }

  /* page service ref */
  .page-service-bg {
    width: 100%;
    margin-bottom: 70px;
    justify-content: center;
    align-items: center;
  }
  .page-service-bg h2 {
    color: #29398a;
    font-size: 24px;
    font-family: "Quattrocento Sans";
    font-weight: 700;
  }
  .page-service-container {
    width: 100%;
    height: 220px;
    padding: 0% 7.5%;
  }
  .page-service-inside-box {
    height: 220px;
    min-width: 100%;
    overflow: hidden;
    justify-content: space-between;
  }
  .page-service-inside-box a {
    text-decoration: none;
  }
  .page-service-box {
    height: 220px;
    width: calc(33.33% - 16px);
    flex-shrink: 0;
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
  }
  .page-service-box-overlay {
    width: 100%;
    height: 100%;
    background-color: #0000005a;
    justify-content: center;
    align-items: center;
    text-align: center;
    cursor: pointer;
    text-decoration: none;
  }
  .page-service-box-overlay:hover {
    background-color: #3d4d9e56;
  }
  .page-service-box-overlay:hover h4 {
    font-size: 22px;
  }
  .page-service-box-overlay h4 {
    color: #ffffff;
    font-size: 20px;
    font-family: "Quattrocento Sans";
    font-weight: 700;
    line-height: 30px;
    max-width: 70%;
    text-shadow: 0px 3px 6px #141313;
  }
  .page-service-container.second-row {
    margin: 25px 0px;
  }

  /* page job */
  .page-job-bg {
    width: 100%;
    margin-bottom: 70px;
    justify-content: center;
    align-items: center;
    color: #29398a;
  }
  .page-job-bg h2 {
    color: #29398a;
    font-size: 24px;
    font-family: "Quattrocento Sans";
    font-weight: 700;
  }
  .job-container {
    padding: 0% 7.5%;
    justify-content: space-between;
  }
  .job-box {
    width: calc(25% - 30px);
    box-shadow: 0px 3px 6px #00000029;
    border-radius: 45px;
    flex-direction: column;
    background: #ededed;
  }
  .job-box img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 45px 45px 0px 0px;
  }
  .job-desc {
    width: 100%;
    padding: 36px 40px;
    flex-direction: column;
    color: #707070;
    font-family: "Noto Sans Thai", sans-serif;
    line-height: 180%;
    font-size: 15px;
  }
  .job-scroll {
    flex-basis: 240px;
    flex-shrink: 0;
    overflow-y: auto;
    overflow-x: hidden;
    flex-direction: column;
  }
  .job-scroll::-webkit-scrollbar-track {
    background-color: #ededed;
    border-radius: 6px;
    box-shadow: inset 0px 3px 6px #00000011;
  }

  .job-scroll::-webkit-scrollbar {
    width: 8px;
    border-radius: 6px;
    background-color: #ededed;
    box-shadow: inset 0px 3px 6px #00000029;
  }

  .job-scroll::-webkit-scrollbar-thumb {
    background-color: #d9d9d9;
    border-radius: 6px;
  }
  .job-desc b {
    color: #29398a;
  }
  .job-desc h3 {
    color: #29398a;
    font-size: 20px;
    align-self: center;
    margin-bottom: 25px;
  }
  .job-box a {
    background: #576dda 0% 0% no-repeat padding-box;
    box-shadow: 0px 3px 6px #576dda80;
    border-radius: 30px;
    color: #ffffff;
    text-decoration: none;
    width: 150px;
    height: 38px;
    justify-content: center;
    align-items: center;
    align-self: center;
    margin-bottom: 30px;
  }

  /* page contact */
  .page-contact-bg {
    width: 100%;
    margin-bottom: 70px;
    justify-content: center;
    align-items: center;
    color: #29398a;
  }
  .page-contact-bg h2 {
    color: #29398a;
    font-size: 24px;
    font-family: "Quattrocento Sans";
    font-weight: 700;
  }
  .contact-container {
    width: 100%;
    padding: 0% 7.5%;
  }
  .google-map {
    width: 50%;
    height: 400px;
    background-color: #343333;
  }
  .contact-detail-box {
    width: 50%;
    padding-left: 40px;
    flex-direction: column;
    color: #707070;
  }
  .contact-detail-box h3 {
    font-size: 18px;
    color: #29398a;
  }
  .contact-detail-box b {
    color: #29398a;
  }

  /* page projects */
  .page-project-header {
    width: 100%;
    margin-bottom: 90px;
    justify-content: center;
    align-items: center;
    font-family: "Quattrocento Sans";
    font-weight: 700;
    color: #29398a;
  }
  .page-project-header.detailpage {
    margin-bottom: 50px;
  }
  .page-project-header h2 {
    font-size: 24px;
  }
  .page-project-ref-container {
    height: 240px;
    width: 75%;
    margin: auto;
    overflow: hidden;
    margin-bottom: 70px;
    background-image: url("../img/project/logos.jpeg");
    background-position: top;
    background-size: cover;
    background-repeat: no-repeat;
    flex-direction: column;
    transition-duration: 0.7s;
  }
  .project-ref-gradient {
    width: 100%;
    height: 100%;
    background-image: linear-gradient(
      to bottom,
      rgba(255, 0, 0, 0),
      rgb(255, 255, 255)
    );
    transition-duration: 0.7s;
  }
  .page-project-ref-container img {
    width: 100%;
  }
  .project-gray-box {
    width: 100%;
    background-color: #ededed;
    flex-direction: column;
    padding: 57px 7.5% 57px 7.5%;
  }
  .project-white-box {
    width: 100%;
    background-color: #ffffff;
    flex-direction: column;
    padding: 57px 7.5% 57px 7.5%;
  }
  .indiv-project-container {
    width: 100%;
    height: 300px;
    background-color: #ffffff;
    flex-direction: column;
    justify-content: center;
    padding: 60px 7.5% 0px 7.5%;
  }
  .project-adjust-mobile {
    width: 49.333%;
    justify-content: space-between;
  }
  .project-box-header {
    justify-content: space-between;
  }
  .project-box-header h4 {
    font-size: 24px;
    font-family: "Quattrocento Sans";
    font-weight: 700;
    color: #29398a;
    margin-bottom: 25px;
  }
  .project-box-header a {
    text-decoration: none;
    font-size: 13px;
    font-family: mukta;
    color: #576dda;
    align-items: flex-end;
    margin-bottom: 10px;
  }
  .project-box-images {
    width: 100%;
    justify-content: space-between;
    height: auto;
  }
  .project-box-images img {
    width: 100%;
    height: auto;
    object-fit: cover;
  }
  .project-box-element {
    flex-direction: column;
    width: 48.6666%;
    align-items: center;
  }
  .project-box-element p2 {
    text-align: center;
    margin-top: 19px;
    font-size: 16px;
    line-height: 22px;
    color: #29398a;
  }
  .page-project-menu-container {
    border-top: 2px solid #d4d9f5;
    justify-content: center;
    overflow-y: scroll;
    position: sticky;
    top: 0px;
    background-color: white;
  }
  .indiv-project-menu-container {
    border-top: 1px solid #d4d9f5;
    justify-content: center;
    position: sticky;
    top: 0px;
    background-color: white;
  }
  .page-project-menu {
    text-align: center;
  }
  .page-project-menu a {
    text-decoration: none;
    color: #576dda;
    font-family: "Quattrocento Sans";
    font-weight: 700;
    padding: 25px 17px;
  }
  .page-project-menu a:hover {
    border-top: 5px solid #d4d9f5;
    box-shadow: inset 0px 0px 6px #5e5e5e29;
    cursor: pointer;
    padding-top: 20px;
  }
  #project-select {
    border-top: 5px solid #d4d9f5;
    box-shadow: inset 0px 0px 6px #5e5e5e29;
    cursor: pointer;
    padding-top: 20px;
  }
  .project-dropArrow {
    justify-content: center;
    align-items: center;
    background-color: #ffffff;
    cursor: pointer;
    margin-top: -80px;
    margin-bottom: 40px;
  }
  #project-dropArrow-icon {
    transition-duration: 0.5s;
  }

  /* Page qc */
  .page-qc-header {
    width: 100%;
    margin-bottom: 70px;
    justify-content: center;
    align-items: center;
    flex-direction: column;
  }
  .page-qc-header h2 {
    color: #29398a;
    font-size: 24px;
    font-family: "Quattrocento Sans";
    font-weight: 700;
    margin-bottom: 70px;
    text-align: center;
  }
  .page-qc-header p {
    color: #707070;
    font-size: 16px;
    max-width: 760px;
    width: 80%;
    text-align: center;
    line-height: 27px;
  }
  #qc-header-pmobile {
    display: none;
  }
  .qc-diagram {
    height: 850px;
    max-width: 850px;
    width: 100%;
    background-image: url("/img/quality/qc-diagram.svg");
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
    margin: auto;
    margin-top: -70px;
    margin-bottom: 20px;
  }
  .qc-diagram h1 {
    color: #29398a;
    font-size: 13px;
    font-family: "Quattrocento Sans";
    font-weight: 700;
    font-weight: 700;
    text-align: start;
    margin-bottom: 4px;
  }
  .qc-diagram h2 {
    color: #29398a;
    font-size: 11px;
    font-family: QuattrocentoSans;
    font-weight: 600;
    text-align: start;
    margin-bottom: 12px;
  }
  .qc-diagram p {
    color: #29398a;
    font-size: 11px;
    font-family: Mukta;
    text-align: start;
  }
  .qc-diagram a {
    text-decoration: none;
    cursor: pointer;
    color: #c2c4d8;
    font-size: 11px;
    font-family: Mukta;
    justify-content: end;
  }
  .diagram-1 {
    position: absolute;
    margin-top: 150px;
    margin-left: 150px;
    max-width: 160px;
    flex-direction: column;
  }
  .diagram-2 {
    position: absolute;
    margin-top: 570px;
    margin-left: 150px;
    max-width: 160px;
    flex-direction: column;
  }
  .diagram-3 {
    position: absolute;
    margin-top: 150px;
    margin-left: 550px;
    max-width: 160px;
    flex-direction: column;
  }
  .diagram-4 {
    position: absolute;
    margin-top: 570px;
    margin-left: 550px;
    max-width: 160px;
    flex-direction: column;
  }

  /* qc graybox */
  .qc-gray-box {
    width: 100%;
    min-height: 385px;
    height: auto;
    background-color: #ededed;
    padding: 70px 14%;
    flex-direction: row;
  }
  .qc-gray-box p {
    color: #707070;
    font-size: 16px;
    width: 80%;
    text-align: start;
    line-height: 22px;
    padding: 0 8%;
    align-items: center;
    margin-left: 65px;
  }

  .qc-icon-safety {
    background-image: url("/img/quality/safety.svg");
    background-repeat: no-repeat;
    background-size: auto;
    width: 168px;
    align-items: flex-start;
  }
  .qc-icon-safety p {
    display: none;
  }
  #qc-safety {
    color: #29398a;
    font-size: 24px;
    font-family: "Quattrocento Sans";
    font-weight: 700;
    margin-bottom: 70px;
    align-items: center;
    margin-top: 100px;
    margin-left: 70px;
    white-space: nowrap;
  }
  .qc-img-box {
    width: 100%;
    height: 200px;
  }
  .qc-img-box img {
    object-fit: cover;
    width: 50%;
    height: 200px;
  }
  .qc-img-box.iso img {
    object-fit: cover;
    width: auto;
    height: 200px;
  }
  .qc-img-overlay {
    width: 100%;
    height: 200px;
    position: absolute;
    background-color: #0000005a;
  }

  .qc-icon-license {
    background-image: url("/img/quality/license.svg");
    background-repeat: no-repeat;
    background-size: auto;
    width: 168px;
    margin-top: 50px;
    flex-direction: column;
  }
  .qc-icon-license p {
    display: none;
  }
  #qc-license {
    color: #29398a;
    font-size: 24px;
    font-family: "Quattrocento Sans";
    font-weight: 700;
    margin-left: -40px;
    margin-top: -20px;
    white-space: nowrap;
  }
  #qc-license-sub {
    color: #29398a;
    font-size: 16px;
    font-family: "Quattrocento Sans";
    font-weight: 700;
    margin-left: -40px;
    white-space: nowrap;
  }

  /* qc white box */
  .qc-white-box {
    width: 100%;
    min-height: 385px;
    height: auto;
    padding: 70px 14%;
    flex-direction: row-reverse;
    justify-content: space-between;
  }
  .qc-white-box p {
    color: #707070;
    font-size: 16px;
    width: 80%;
    text-align: start;
    line-height: 22px;
    padding: 0 15% 0 0;
    align-items: center;
  }
  .qc-white-box h2,
  h3 {
    color: #29398a;
    font-size: 24px;
    font-family: "Quattrocento Sans";
    font-weight: 700;
    margin-right: 30px;
    white-space: nowrap;
  }
  .qc-icon-bim {
    background-image: url("/img/quality/bim.svg");
    background-repeat: no-repeat;
    background-size: auto;
    width: 168px;
    margin-top: 50px;
    flex-direction: column;
    align-items: end;
  }
  .qc-icon-bim p {
    display: none;
  }
  #qc-bim-sub {
    font-size: 16px;
    white-space: nowrap;
  }

  .qc-icon-service {
    background-image: url("/img/quality/service.svg");
    background-repeat: no-repeat;
    background-size: auto;
    width: 168px;
    margin-top: 50px;
    flex-direction: column;
    align-items: end;
  }
  .qc-icon-service p {
    display: none;
  }
  #qc-service {
    margin-right: 70px;
    margin-top: 20px;
  }

  /* application form*/
  .page-app-bg {
    width: 100%;
    margin-bottom: 70px;
    justify-content: center;
    align-items: center;
    color: #29398a;
  }
  .page-app-bg h2 {
    color: #29398a;
    font-size: 24px;
    font-family: "Quattrocento Sans";
    font-weight: 700;
  }
  .app-container {
    width: 100%;
    padding: 0% 7.5%;
    flex-direction: column;
    align-items: center;
  }
  .app-step-container {
    max-width: 1200px;
    width: 70%;
    justify-content: space-between;
    align-items: center;
  }
  .app-step-box {
    flex-direction: column;
    color: #576dda;
    text-align: center;
    justify-content: center;
    align-items: center;
  }
  .app-circle {
    border: 3px solid #576dda;
    border-radius: 50%;
    width: 35px;
    height: 35px;
    margin-top: 10px;
    z-index: 99;
    background-color: #ffffff;
  }
  hr.app-step-line {
    height: 3px;
    border: none;
    background-color: #d9d9d9;
    width: 54%;
    margin-top: 62px;
    margin-left: 43px;
    position: absolute;
    z-index: 2;
  }
  .company-selection-container {
    width: 100%;
    background-color: #d4d9f5;
    border-radius: 8px;
    padding: 19px 42px;
    margin-top: 90px;
    align-items: center;
  }
  .company-selection-box {
    font-size: 16px;
    color: #29398a;
    font-family: "Noto Sans Thai", sans-serif;
    font-weight: bold;
    margin-left: 15px;
    margin-right: 50px;
  }
  .company-selection-box.right {
    font-size: 15px;
    margin: 0px;
    margin-left: auto;
  }
  .company-selection-container input[type="radio"] {
    /* remove original input */
    -webkit-appearance: none;
    appearance: none;
    margin: 0;

    /* add uncheck */
    background-color: #d4d9f5;
    width: 25px;
    height: 25px;
    border: 3px solid #29398a;
    border-radius: 50%;
    cursor: pointer;

    /* add checked */
    display: grid;
    place-content: center;
  }
  .company-selection-container input[type="radio"]::before {
    content: "";
    width: 12px;
    height: 12px;
    border-radius: 50%;
    transform: scale(0);
    transition: 120ms transform ease-in-out;
    box-shadow: inset 1em 1em var(--form-control-color);
    background-color: #29398a;
  }
  .company-selection-container input[type="radio"]:checked::before {
    transform: scale(1);
  }
  .app-date-container {
    margin: 20px 5%;
    margin-left: auto;
    color: #707070;
  }
  .app-box-shadow {
    box-shadow: 0px 0px 6px #d9d9d9;
    border-radius: 8px;
    width: 90%;
    flex-direction: column;
    padding: 15px 35px;
  }
  .app-row {
    width: 100%;
    justify-content: space-between;
  }
  .app-box {
    flex-direction: column;
    font-family: "Noto Sans Thai", sans-serif;
    padding: 20px 0px;
  }
  .app-box.cus1 {
    flex-shrink: 0;
    width: 100%;
  }
  .app-box.cus1-5 {
    flex-shrink: 0;
    width: 65%;
  }
  .app-box.cus2 {
    flex-shrink: 0;
    width: 50%;
  }
  .app-box.cus3 {
    flex-shrink: 0;
    width: 30%;
  }
  .app-box.cus4 {
    flex-shrink: 0;
    width: 22%;
  }
  .app-box.cus6 {
    flex-shrink: 0;
    width: 14%;
  }
  .app-box h3 {
    font-size: 16px;
    color: #29398a;
  }
  .app-box h4 {
    font-size: 14px;
    color: #707070;
    margin-bottom: 20px;
  }
  .app-box select {
    background: #ededed;
    border: none;
    border-radius: 5px;
    padding: 10px;
    font-family: "Noto Sans Thai", sans-serif;
    color: #9e9e9e;
  }
  .app-box input[type="text"] {
    padding: 10px;
    font-family: "Noto Sans Thai", sans-serif;
    color: #9e9e9e;
    border: none;
    border-bottom: 2px solid #d9d9d9;
  }
  .app-box input[type="text"]:focus {
    outline: none;
  }
  .app-header-container {
    width: 100%;
    background-color: #d4d9f5;
    border-radius: 8px;
    padding: 19px 42px;
    margin-top: 70px;
    margin-bottom: 40px;
    align-items: center;
    font-size: 16px;
    color: #29398a;
    font-family: "Noto Sans Thai", sans-serif;
    font-weight: bold;
  }
  .app-main-container {
    width: 90%;
    flex-direction: column;
  }
  h3.no-h4 {
    margin-bottom: 10px;
  }
  .app-break {
    width: 100%;
    height: 20px;
  }
  .app-select-side {
    position: absolute;
    margin-left: 200px;
    align-items: center;
  }
  .app-select-side-box {
    flex-direction: column;
    margin-left: 17px;
  }
  .app-select-side-box h4 {
    margin: 0px;
  }
  .app-select-side input[type="checkbox"] {
    /* remove original input */
    -webkit-appearance: none;
    appearance: none;
    margin: 0;

    /* add uncheck */
    background-color: #ffffff;
    width: 25px;
    height: 25px;
    border: 3px solid #29398a;
    border-radius: 50%;
    cursor: pointer;

    /* add checked */
    display: grid;
    place-content: center;
  }
  .app-select-side input[type="checkbox"]::before {
    content: "";
    width: 12px;
    height: 12px;
    border-radius: 50%;
    transform: scale(0);
    transition: 120ms transform ease-in-out;
    box-shadow: inset 1em 1em var(--form-control-color);
    background-color: #29398a;
  }
  .app-select-side input[type="checkbox"]:checked::before {
    transform: scale(1);
  }
  .app-box.display-row {
    flex-direction: row;
    align-items: center;
  }
  .app-selection-box {
    font-size: 15px;
    color: #29398a;
    font-family: "Noto Sans Thai", sans-serif;
    font-weight: bold;
    margin-left: 15px;
    margin-right: 50px;
    flex-direction: column;
  }
  .app-box input[type="radio"] {
    /* remove original input */
    -webkit-appearance: none;
    appearance: none;
    margin: 0;

    /* add uncheck */
    background-color: #ffffff;
    width: 25px;
    height: 25px;
    border: 3px solid #29398a;
    border-radius: 50%;
    cursor: pointer;

    /* add checked */
    display: grid;
    place-content: center;
  }
  .app-box input[type="radio"]::before {
    content: "";
    width: 12px;
    height: 12px;
    border-radius: 50%;
    transform: scale(0);
    transition: 120ms transform ease-in-out;
    box-shadow: inset 1em 1em var(--form-control-color);
    background-color: #29398a;
  }
  .app-box input[type="radio"]:checked::before {
    transform: scale(1);
  }
  h4.no-margin {
    margin: 0px;
  }
  .app-shadow-header h3 {
    font-size: 16px;
    color: #29398a;
    font-family: "Noto Sans Thai", sans-serif;
    font-weight: bold;
    margin-top: 10px;
    margin-bottom: 15px;
  }
  .add-sibling-box {
    align-items: center;
    margin: 10px 0px;
    cursor: pointer;
  }
  .add-sibling-box img {
    filter: invert(97%) sepia(6%) saturate(2%) hue-rotate(350deg)
      brightness(87%) contrast(101%);
  }
  .add-sib-text {
    font-size: 16px;
    color: #d9d9d9;
    font-family: "Noto Sans Thai", sans-serif;
    margin-left: 20px;
  }

  /* service page */
  .sevice-page-container {
    width: 85%;
    padding: 44px 75px 68px 75px;
    background-color: #ededed;
    flex-direction: column;
    margin: auto;
  }
  .service-page-box {
    width: 100%;
    justify-content: space-between;
  }
  .service-page-inside {
    flex-basis: 47%;
    flex-shrink: 0;
    flex-direction: column;
    color: #707070;
  }
  .service-page-inside img {
    width: 100%;
  }
  .service-page-inside h4 {
    color: #29398a;
    font-size: 24px;
    margin: auto;
    margin-bottom: 16px;
    font-family: "Quattrocento Sans";
    font-weight: 700;
    text-align: center;
  }
  .service-page-inside h5 {
    color: #29398a;
    font-size: 18px;
    margin-bottom: 5px;
  }

  /* page about */
  .page-about-bg-container {
    background-color: #ededed;
    flex-direction: column;
  }
  .page-about-bg-container.sticky {
    position: -webkit-sticky; /* Safari */
    position: sticky;
    top: 0;
  }
  .page-about-bg {
    width: 100%;
    margin-bottom: 112px;
    justify-content: center;
    align-items: center;
    background-color: #ededed;
    flex-direction: column;
  }
  .page-about-bg h2 {
    color: #29398a;
    font-size: 24px;
    font-family: "Quattrocento Sans";
    font-weight: 700;
    margin-bottom: 70px;
  }
  .page-about-bg p {
    color: #707070;
    font-size: 16px;
    width: 800px;
    text-align: center;
  }
  .page-about-menu {
    border-top: 2px solid #d4d9f5;
    justify-content: center;
  }
  .page-about-menu a {
    text-decoration: none;
    color: #576dda;
    font-family: "Quattrocento Sans";
    font-weight: 700;
    padding: 25px 30px;
  }
  .page-about-menu a:hover {
    border-top: 5px solid #d4d9f5;
    box-shadow: inset 0px 0px 6px #5e5e5e29;
    cursor: pointer;
    padding-top: 20px;
  }
  .page-about-menu hr {
    border: none;
  }
  .page-vision-img-bg {
    width: 100%;
    background-image: url("../img/home/secco_head.jpeg");
    background-position: center;
    background-size: cover;
  }
  .page-vision-blue-bg {
    width: 100%;
    height: 100%;
    background-color: rgba(87, 109, 218, 0.5);
    justify-content: center;
    padding: 80px 0px 90px 0px;
  }
  .page-vision-cover {
    width: 660px;
    flex-direction: column;
  }
  .page-vision-row {
    width: 100%;
    justify-content: space-between;
  }
  .page-vision-box-1 {
    width: 100%;
    padding: 32px 0px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 15px;
    flex-direction: column;
    justify-content: center;
    align-items: center;
  }
  .page-vision-header {
    color: #29398a;
    font-family: "Quattrocento Sans";
    font-weight: 700;
    font-size: 24px;
    margin-bottom: 20px;
  }
  .page-vision-box-2 {
    flex-basis: 40%;
    flex-shrink: 0;
    padding: 32px 40px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 15px;
    flex-direction: column;
    align-items: flex-start;
  }
  .page-vision-box-3 {
    flex-basis: 55%;
    flex-shrink: 0;
    padding: 32px 40px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 15px;
    flex-direction: column;
    align-items: flex-start;
  }
  .page-vision-box-4 {
    flex-basis: 56%;
    flex-shrink: 0;
    padding: 32px 40px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 15px;
    flex-direction: column;
    align-items: flex-start;
  }
  .page-vision-box-5 {
    flex-basis: 39%;
    flex-shrink: 0;
    padding: 32px 40px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 15px;
    flex-direction: column;
    align-items: flex-start;
  }
  .vision-row-middle {
    margin: 40px 0px;
  }
  .page-vision-con1 {
    font-size: 23px;
    color: #29398a;
    font-weight: 700;
    margin-bottom: 20px;
  }
  .page-vision-con2 {
    font-size: 22px;
    color: #29398a;
    font-weight: 600;
    line-height: 160%;
  }
  .page-vision-con3 {
    font-size: 20px;
    color: #29398a;
    line-height: 160%;
    flex-direction: column;
  }
  .page-vision-con3 b {
    margin-right: 33px;
  }
  .page-corporate-container {
    width: 85%;
    margin: auto;
    flex-direction: column;
    align-items: center;
    margin-bottom: 120px;
  }
  .page-corporate-container > h2 {
    margin: 50px 0px 71px 0px;
    font-size: 24px;
    color: #29398a;
    font-family: "Quattrocento Sans";
    font-weight: 700;
  }
  .page-corporate-cover {
    justify-content: space-between;
  }
  .page-corporate-box-1 {
    flex-basis: 45%;
    flex-direction: column;
    flex-shrink: 0;
    margin-right: 20px;
  }
  .page-corporate-box-2 {
    flex-basis: 23%;
    flex-direction: column;
    flex-shrink: 0;
  }
  .page-corporate-box-2 h5 {
    font-size: 20px;
    color: #29398a;
    font-family: "Quattrocento Sans";
    font-weight: 700;
    line-height: 150%;
  }
  .page-corporate-box-2 p {
    color: #707070;
    margin-top: 14px;
  }
  .page-org-img-bg {
    width: 100%;
    background-image: url("../img/home/secco_head.jpeg");
    background-position: center;
    background-size: cover;
  }
  .page-org-grey-bg {
    width: 100%;
    height: 100%;
    background-color: rgba(237, 237, 237, 0.9);
    align-items: center;
    flex-direction: column;
    padding-bottom: 50px;
  }
  .page-org-grey-bg h2 {
    margin: 50px 0px 80px 0px;
    font-size: 24px;
    color: #29398a;
    font-family: "Quattrocento Sans";
    font-weight: 700;
  }
  .page-org-grey-bg img {
    width: 70%;
    max-width: 900px;
  }
  .org-group2 {
    margin-top: 60px;
    margin-bottom: 50px;
  }
  .page-board-container {
    width: 85%;
    margin: auto;
    flex-direction: column;
    align-items: center;
  }
  .page-board-container h2 {
    color: #29398a;
    font-size: 24px;
    font-family: "Quattrocento Sans";
    font-weight: 700;
    margin-bottom: 40px;
    margin-top: 100px;
  }
  .page-board-row {
    width: 100%;
    justify-content: space-between;
  }
  .board-m-row {
    width: 48.7%;
    justify-content: space-between;
  }
  .page-board-box {
    width: 47.3%;
    flex-direction: column;
    align-items: center;
  }
  .page-board-box img {
    width: 100%;
    margin-bottom: 25px;
  }
  .page-board-title {
    color: #29398a;
    font-size: 16px;
    font-family: "Quattrocento Sans";
    font-weight: 700;
    text-align: center;
    line-height: 180%;
  }

  /* job page new */
  .job-header-img-container {
    width: 100%;
    height: 227px;
  }
  .job-header-img {
    flex-basis: calc(100% / 3);
    height: 100%;
  }
  .job-header-opa {
    width: 100%;
    height: 100%;
    background: #15161c6c 0% 0% no-repeat padding-box;
    opacity: 0.4;
  }
  .job-header-img-container > .job-header-img:nth-child(1) {
    background-image: url("/img/job/job_head1.jpg");
    background-position: center;
    background-size: cover;
  }
  .job-header-img-container > .job-header-img:nth-child(2) {
    background-image: url("/img/job/job_head2.jpg");
    background-position: center;
    background-size: cover;
  }
  .job-header-img-container > .job-header-img:nth-child(3) {
    background-image: url("/img/job/job_head3.jpg");
    background-position: center;
    background-size: cover;
  }
  .page-header-list-job {
    width: 100%;
    padding: 29px 7.5%;
  }
  .page-header-list-job,
  .page-header-list-job a {
    color: #9e9e9e;
    text-decoration: none;
    font-size: 14px;
  }
  .page-job-new-bg {
    width: 100%;
    height: auto;
    justify-content: center;
    margin-bottom: 70px;
  }
  .page-job-new-bg > h2 {
    color: #29398a;
    font-size: 24px;
    font-family: "Quattrocento Sans";
    font-weight: 700;
    text-align: center;
  }
  .job-new-container {
    width: 78%;
    margin: auto;
    flex-direction: column;
  }
  .job-new-box {
    width: 100%;
    padding: 25px 40px;
    justify-content: space-between;
    box-shadow: 0px 0px 6px #d9d9d9;
    border-radius: 8px;
    align-items: center;
    margin-bottom: 30px;
    flex-direction: column;
  }
  .job-new-box h4 {
    font-family: "Noto Sans Thai", sans-serif;
    font-size: 20px;
    color: #29398a;
  }
  .job-new-row {
    justify-content: space-between;
    width: 100%;
  }
  .job-new-arrow {
    font-size: 20px;
    font-family: "Quattrocento Sans";
    font-weight: 700;
    color: #576dda;
    cursor: pointer;
    align-items: center;
  }
  .job-new-arrow img {
    width: 11px;
    margin-left: 5px;
    object-fit: cover;
    filter: invert(43%) sepia(62%) saturate(790%) hue-rotate(197deg)
      brightness(88%) contrast(93%);
  }
  .job-new-row.active .job-new-arrow {
    color: #d9d9d9;
  }
  .job-new-row.active .job-new-arrow img {
    rotate: 180deg;
    filter: invert(87%) sepia(28%) saturate(11%) hue-rotate(336deg)
      brightness(115%) contrast(70%);
  }
  .job-new-row.job-detail {
    flex-direction: column;
    font-family: "Noto Sans Thai", sans-serif;
    font-size: 16px;
    margin-top: 50px;
    line-height: 30px;
    color: #707070;
  }
  .job-new-row.job-detail b {
    color: #29398a;
    font-weight: 700;
  }
  .job-new-row.job-apply {
    justify-content: flex-end;
    margin-top: 22px;
    margin-bottom: 13px;
  }
  .job-new-row.job-apply button {
    background-color: #576dda;
    color: #ffffff;
    box-shadow: 0px 3px 6px #576dda80;
    border-radius: 30px;
    padding: 12px 40px;
    font-size: 16px;
    font-family: "Quattrocento Sans";
    font-weight: 700;
    justify-content: center;
    align-items: center;
    border: none;
    cursor: pointer;
  }
  .job-new-app-detail-box {
    background-color: #ededed;
  }
  .job-new-app-detail-box h4 {
    color: #ff6e6e;
  }
  .job-new-app-detail-arrow {
    color: #707070;
  }
  .job-new-row.active .job-new-app-detail-arrow {
    color: #9e9e9e;
  }
  .job-new-app-detail-arrow img {
    filter: invert(43%) sepia(0%) saturate(1192%) hue-rotate(200deg)
      brightness(103%) contrast(96%);
  }
  .job-new-row.active .job-new-app-detail-arrow img {
    filter: invert(64%) sepia(16%) saturate(0%) hue-rotate(266deg)
      brightness(96%) contrast(90%);
  }
  .job-app-detail {
    color: #707070;
    line-height: 30px;
    margin-bottom: 35px;
  }
  .job-app-detail a {
    color: #ff6e6e;
    text-decoration: none;
    margin-left: 7px;
  }
  .job-app-detail a.line-add {
    margin-left: 0px;
  }
  .job-new-app-cbox {
    width: 100%;
    justify-content: space-between;
  }
  .job-app-detail.right {
    align-items: flex-start;
    justify-content: flex-start;
    width: 50%;
    min-width: 250px;
  }
  .job-app-detail.right h5 {
    color: #707070;
    font-size: 20px;
  }
  .job-app-detail.right b {
    color: #707070;
    font-weight: 800;
  }
  .job-app-detail.right img.line_button {
    width: 109px;
    margin-top: 11px;
    margin-bottom: 15px;
  }
  .job-app-detail.right img.line_qr {
    width: 180px;
    margin-bottom: 15px;
  }
  .job-new-cover {
    width: 100%;
    flex-direction: column;
  }
  .height0 {
    max-height: 0px;
    overflow: hidden;
    transition-duration: 0.5s;
  }
  #job-toggle {
    cursor: pointer;
  }
}

@media (max-width: 760px) {
  .page-project-menu-container {
    flex-direction: column;
    align-items: center;
  }
  .indiv-project-menu-container {
    flex-direction: column;
    align-items: center;
  }
  .page-project-menu a {
    padding: 15px 25px;
    font-size: 80%;
  }
}

@media (max-width: 1200px) {
  /* menu */
  header {
    width: 100%;
    height: 60px;
    align-items: center;
    padding: 0px 5%;
    box-shadow: 0px 0px 50px 1px #576dda43;
    justify-content: space-between;
    background-color: #ffffff;
    z-index: 99;
  }
  .header-logo img {
    width: 107px;
  }
  .menu-mobile-right img {
    cursor: pointer;
  }
  #close_mobile {
    display: none;
  }
  nav {
    width: 100%;
    height: calc(100% - 60px);
    background-color: white;
    padding: 5px 10% 0px 10%;
    position: fixed;
    left: 100%;
    top: 60px;
    z-index: 10;
    flex-direction: column;
    transition-duration: 0.5s;
    z-index: 999;
  }
  nav a {
    width: 100%;
    height: 60px;
    padding: 0px 23.5px;
    align-items: center;
    font-size: 15px;
    text-decoration: none;
    color: #576dda;
    font-weight: 600;
  }
  nav hr {
    border: 0px solid #d4d9f5;
    height: 1pt;
    background-color: #d4d9f5;
  }
  .header-after-click {
    width: 100%;
    height: 60px;
    display: none;
  }
  .menu-mobile-right.mobile-only {
    display: flex;
  }
  #nav_cover {
    display: flex;
  }
}

@media only screen and (max-width: 768px) {
  .mobile-only {
    display: flex;
  }
  .desktop-only {
    display: none;
  }

  /* menu */
  header {
    width: 100%;
    height: 60px;
    align-items: center;
    padding: 0px 5%;
    box-shadow: 0px 0px 50px 1px #576dda43;
    justify-content: space-between;
    background-color: #ffffff;
    z-index: 99;
  }
  .header-logo img {
    width: 107px;
  }
  .menu-mobile-right img {
    cursor: pointer;
  }
  #close_mobile {
    display: none;
  }
  nav {
    width: 100%;
    height: calc(100% - 60px);
    background-color: white;
    padding: 5px 10% 0px 10%;
    position: fixed;
    left: 100%;
    top: 60px;
    z-index: 10;
    flex-direction: column;
    transition-duration: 0.5s;
    z-index: 999;
  }
  nav a {
    width: 100%;
    height: 60px;
    padding: 0px 23.5px;
    align-items: center;
    font-size: 15px;
    text-decoration: none;
    color: #576dda;
    font-weight: 600;
  }
  nav hr {
    border: 0px solid #d4d9f5;
    height: 1pt;
    background-color: #d4d9f5;
  }
  .header-after-click {
    width: 100%;
    height: 60px;
    display: none;
  }

  /* footer */
  footer {
    width: 100%;
    height: auto;
    background-color: #576dda;
    padding: 50px 5% 37px 5%;
    flex-direction: column;
  }
  .footer-menu {
    flex-direction: column;
  }
  .footer-box {
    flex-direction: column;
  }
  .footer-box a {
    font-size: 12px;
    text-decoration: none;
    color: #d9d9d9;
    margin-bottom: 13px;
  }
  .footer-under {
    flex-direction: column-reverse;
    margin-top: 40px;
  }
  .footer-under > div:nth-child(1) {
    flex-direction: column;
    margin-top: 11px;
  }
  .footer-under-box > img {
    height: 18px;
    margin-right: 10px;
  }
  .footer-copyright {
    font-size: 9px;
    color: #ededed;
    line-height: 15px;
    margin-top: 7px;
  }
  .footer-logo > img {
    width: 68px;
  }

  /* home banner */
  .home-banner {
    width: 100%;
    height: 250px;
    background-image: url("../img/home/secco_head.jpeg");
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
    color: #ffffff;
    align-items: center;
    justify-content: center;
  }
  .home-opa {
    width: 100%;
    height: 250px;
    background: rgba(48, 50, 87, 0.4);
    flex-direction: column;
    align-items: center;
    justify-content: center;
  }
  .home-banner h1 {
    font-size: 62px;
    margin-top: -60px;
    text-shadow: 10px 10px 50px #343333;
  }
  .home-banner p {
    font-size: 20px;
    margin-top: -18px;
    text-shadow: 0px 3px 6px #7c7c7c;
    font-family: "Quattrocento Sans";
    font-style: italic;
  }
  .home-banner-box {
    width: 100%;
    height: 230px;
  }
  .home-banner-box img {
    width: 25%;
    object-fit: cover;
  }

  /* home intro */
  .home-intro-box {
    width: 100%;
    height: 456px;
    background-color: #ededed;
    flex-direction: column;
    justify-content: center;
    align-items: center;
  }
  .home-intro-box h2 {
    color: #29398a;
    font-size: 20px;
    margin-bottom: 40px;
    font-family: "Quattrocento Sans";
    font-weight: 700;
  }
  .home-intro-box p {
    color: #707070;
    font-size: 15px;
    width: 80%;
    text-align: center;
  }

  /* home project ref */
  .home-project-bg {
    width: 100%;
    height: 80px;
    justify-content: center;
    align-items: center;
  }
  .home-project-bg h2 {
    color: #29398a;
    font-size: 20px;
    font-family: "Quattrocento Sans";
    font-weight: 700;
  }
  .home-project-container {
    width: 100%;
  }
  .home-project-inside-box {
    min-width: 100%;
    overflow: hidden;
    flex-direction: column;
  }
  .project-box {
    height: 200px;
    width: 100%;
    flex-shrink: 0;
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
  }
  .project-box-overlay {
    width: 100%;
    height: 100%;
    background-color: #0000005a;
    justify-content: center;
    align-items: center;
    cursor: pointer;
  }
  .project-box-overlay h4 {
    color: #ffffff;
    font-size: 15px;
    font-family: "Quattrocento Sans";
    font-weight: 700;
    text-shadow: 0px 3px 6px #141313;
  }

  /* home service ref */
  .home-service-bg {
    width: 100%;
    height: 80px;
    justify-content: center;
    align-items: center;
  }
  .home-service-bg h2 {
    color: #29398a;
    font-size: 20px;
    font-family: "Quattrocento Sans";
    font-weight: 700;
  }
  .home-service-container {
    width: 100%;
  }
  .home-service-inside-box {
    height: 200px;
    min-width: 100%;
    overflow: hidden;
  }
  .service-box {
    height: 200px;
    width: calc(100% / 2);
    flex-shrink: 0;
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
    text-decoration: none;
  }
  .service-box-overlay {
    width: 100%;
    height: 100%;
    background-color: #0000005a;
    justify-content: center;
    align-items: center;
    text-align: center;
    cursor: pointer;
  }
  .service-box-overlay:hover {
    background-color: #3d4d9e56;
  }
  .service-box-overlay:hover h4 {
    font-size: 13px;
    text-shadow: 0px 3px 6px #141313;
  }
  .service-box-overlay h4 {
    color: #ffffff;
    font-size: 13px;
    font-family: "Quattrocento Sans";
    font-weight: 700;
    line-height: 25px;
    max-width: 70%;
  }

  /* page about */
  .page-about-bg-container {
    background-color: #ededed;
    flex-direction: column;
    position: relative;
    z-index: 10;
  }
  .page-about-bg {
    margin-top: 80px;
    width: 100%;
    margin-bottom: 90px;
    justify-content: center;
    align-items: center;
    background-color: #ededed;
    flex-direction: column;
  }
  .page-about-bg h2 {
    color: #29398a;
    font-size: 20px;
    font-family: "Quattrocento Sans";
    font-weight: 700;
    margin-bottom: 40px;
  }
  .page-about-bg p {
    color: #707070;
    font-size: 15px;
    width: 80%;
    text-align: center;
  }
  .page-about-menu {
    border-top: 6px solid #d4d9f5;
    justify-content: center;
    flex-direction: column;
  }
  .page-about-menu hr {
    width: 80%;
    height: 1.5px;
    border: solid 0px #d4d9f5;
    color: #d4d9f5;
    background-color: #d4d9f5;
    margin: auto;
  }
  .page-about-menu a {
    text-decoration: none;
    color: #576dda;
    font-family: "Quattrocento Sans";
    font-weight: 700;
    padding: 16px 0px;
    justify-content: center;
    font-size: 15px;
  }
  .page-vision-img-bg {
    width: 100%;
    background-image: url("../img/home/secco_head.jpeg");
    background-position: center;
    background-size: cover;
  }
  .page-vision-blue-bg {
    width: 100%;
    height: 100%;
    background-color: rgba(87, 109, 218, 0.5);
    justify-content: center;
    padding: 90px 10% 90px 10%;
  }
  .page-vision-cover {
    width: 100%;
    flex-direction: column;
  }
  .page-vision-row {
    width: 100%;
    justify-content: space-between;
    flex-direction: column;
  }
  .page-vision-box-1 {
    width: 100%;
    padding: 19px 0px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 15px;
    flex-direction: column;
    justify-content: center;
    align-items: center;
  }
  .page-vision-box-1 > img {
    width: 90px !important;
  }
  .page-vision-header {
    color: #29398a;
    font-family: "Quattrocento Sans";
    font-weight: 700;
    font-size: 15px;
    margin-bottom: 10px;
  }
  .page-vision-box-2 {
    padding: 22px 28px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 15px;
    flex-direction: column;
    align-items: flex-start;
    margin-bottom: 15px;
  }
  .page-vision-box-3 {
    padding: 22px 28px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 15px;
    flex-direction: column;
    align-items: flex-start;
  }
  .page-vision-box-4 {
    padding: 22px 28px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 15px;
    flex-direction: column;
    align-items: flex-start;
    margin-bottom: 15px;
  }
  .page-vision-box-5 {
    padding: 22px 28px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 15px;
    flex-direction: column;
    align-items: flex-start;
  }
  .vision-row-middle {
    margin: 40px 0px 15px 0px;
  }
  .page-vision-con1 {
    font-size: 15px;
    color: #29398a;
    font-weight: 700;
    margin-bottom: 2px;
  }
  .page-vision-con2 {
    font-size: 13px;
    color: #29398a;
    font-weight: 600;
    line-height: 160%;
  }
  .page-vision-con3 {
    font-size: 13px;
    color: #29398a;
    line-height: 20px;
    flex-direction: column;
  }
  .page-vision-con3 b {
    margin-right: 10px;
  }
  .page-corporate-container {
    width: 80%;
    margin: auto;
    flex-direction: column;
    align-items: center;
    margin-bottom: 90px;
  }
  .page-corporate-container > h2 {
    margin: 58px 0px 40px 0px;
    font-size: 20px;
    color: #29398a;
    font-family: "Quattrocento Sans";
    font-weight: 700;
  }
  .page-corporate-cover {
    flex-direction: column;
  }
  .page-corporate-box-1 {
    width: 100%;
    flex-direction: column;
  }
  .page-corporate-box-2 {
    width: 100%;
    flex-direction: column;
    margin-top: 50px;
  }
  .page-corporate-box-2 h5 {
    font-size: 15px;
    color: #29398a;
    font-family: "Quattrocento Sans";
    font-weight: 700;
    line-height: 150%;
  }
  .page-corporate-box-2 p {
    color: #707070;
    margin-top: 5px;
    font-size: 15px;
    line-height: 25px;
  }
  .page-org-img-bg {
    width: 100%;
    background-image: url("../img/home/secco_head.jpeg");
    background-position: center;
    background-size: cover;
  }
  .page-org-grey-bg {
    width: 100%;
    height: 100%;
    background-color: rgba(237, 237, 237, 0.9);
    align-items: center;
    flex-direction: column;
    padding-bottom: 50px;
  }
  .org-group1 {
    margin-top: 78px;
    margin-bottom: 40px;
  }
  .page-org-grey-bg h2 {
    margin: 58px 0px 40px 0px;
    font-size: 20px;
    color: #29398a;
    font-family: "Quattrocento Sans";
    font-weight: 700;
  }
  .page-org-grey-bg img {
    width: 70%;
    max-width: 900px;
  }
  .page-board-container {
    width: 80%;
    margin: auto;
    flex-direction: column;
    align-items: center;
  }
  .page-board-container h2 {
    color: #29398a;
    font-size: 20px;
    font-family: "Quattrocento Sans";
    font-weight: 700;
    margin-bottom: 10px;
    margin-top: 58px;
  }
  .page-board-row {
    width: 100%;
    flex-direction: column;
  }
  .board-m-row {
    width: 100%;
    justify-content: space-between;
    margin-top: 30px;
  }
  .page-board-box {
    width: 48%;
    flex-direction: column;

    align-items: center;
  }
  .page-board-box img {
    width: 100%;
    margin-bottom: 10px;
  }
  .page-board-title {
    color: #29398a;
    font-size: 13px;
    font-family: "Quattrocento Sans";
    font-weight: 700;
    text-align: center;
    line-height: 180%;
  }
  .page-board-row.mtc-60 {
    margin-top: 0px !important;
  }

  /* page contact */
  .page-contact-bg {
    width: 100%;
    margin-bottom: 40px;
    justify-content: center;
    align-items: center;
    color: #29398a;
    margin-top: 80px;
  }
  .page-contact-bg h2 {
    color: #29398a;
    font-size: 20px;
    font-family: "Quattrocento Sans";
    font-weight: 700;
  }
  .contact-container {
    width: 100%;
    padding: 0% 10%;
    flex-direction: column;
  }
  .google-map {
    width: 100%;
    height: 400px;
    background-color: #343333;
  }
  .contact-detail-box {
    width: 100%;
    flex-direction: column;
    font-size: 15px;
    margin-top: 40px;
    color: #707070;
  }
  .contact-detail-box h3 {
    font-size: 15px;
    color: #29398a;
  }
  .contact-detail-box b {
    color: #29398a;
  }

  /* page service ref */
  .page-service-bg {
    width: 100%;
    margin-bottom: 40px;
    justify-content: center;
    align-items: center;
    color: #29398a;
    margin-top: 80px;
  }
  .page-service-bg h2 {
    color: #29398a;
    font-size: 20px;
    font-family: "Quattrocento Sans";
    font-weight: 700;
  }
  .page-service-container {
    width: 100%;
    height: auto;
    padding: 0% 10%;
    flex-direction: column;
  }
  .page-service-inside-box {
    height: auto;
    flex-direction: column;
  }
  .page-service-inside-box a {
    text-decoration: none;
  }
  .page-service-box {
    height: 170px;
    width: 100%;
    flex-shrink: 0;
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
    margin-bottom: 15px;
  }
  .page-service-box-overlay {
    width: 100%;
    height: 100%;
    background-color: #0000005a;
    justify-content: center;
    align-items: center;
    text-align: center;
    cursor: pointer;
    text-decoration: none;
  }
  .page-service-box-overlay:hover {
    background-color: #3d4d9e56;
  }
  .page-service-box-overlay:hover h4 {
    font-size: 15px;
  }
  .page-service-box-overlay h4 {
    color: #ffffff;
    font-size: 13px;
    font-family: "Quattrocento Sans";
    font-weight: 700;
    line-height: 25px;
    max-width: 70%;
    text-shadow: 0px 3px 6px #141313;
  }

  /* service page */
  .sevice-page-container {
    width: 100%;
    padding: 80px 10% 68px 10%;
    background-color: #ededed;
    flex-direction: column;
    margin: auto;
    font-size: 15px;
  }
  .service-page-box {
    width: 100%;
    justify-content: space-between;
    flex-direction: column;
  }
  .service-page-inside {
    flex-basis: 100%;
    flex-shrink: 0;
    flex-direction: column;
    color: #707070;
  }
  .service-page-inside img {
    width: 100%;
    margin-bottom: 30px;
    margin-top: 5px;
  }
  .service-page-inside h4 {
    color: #29398a;
    font-size: 20px;
    margin: auto;
    margin-bottom: 40px;
    font-family: "Quattrocento Sans";
    font-weight: 700;
    text-align: center;
  }
  .service-page-inside h5 {
    color: #29398a;
    font-size: 17px;
    margin-bottom: 5px;
  }
  .service-page-text-cover {
    flex-direction: column;
  }
  .service-page-text-cover p {
    margin-left: 0px !important;
  }

  /* job page new */
  .job-header-img-container {
    width: 100%;
    height: 209px;
  }
  .job-header-img {
    flex-basis: calc(100% / 3);
    height: 100%;
  }
  .job-header-opa {
    width: 100%;
    height: 100%;
    background: #15161c6c 0% 0% no-repeat padding-box;
    opacity: 0.4;
  }
  .job-header-img-container > .job-header-img:nth-child(1) {
    background-image: url("/img/job/job_head1.jpg");
    background-position: center;
    background-size: cover;
  }
  .job-header-img-container > .job-header-img:nth-child(2) {
    background-image: url("/img/job/job_head2.jpg");
    background-position: center;
    background-size: cover;
  }
  .job-header-img-container > .job-header-img:nth-child(3) {
    background-image: url("/img/job/job_head3.jpg");
    background-position: center;
    background-size: cover;
  }
  .page-header-list-job {
    width: 100%;
    padding: 29px 7.5%;
  }
  .page-header-list-job,
  .page-header-list-job a {
    color: #9e9e9e;
    text-decoration: none;
    font-size: 14px;
  }
  .page-job-new-bg {
    width: 100%;
    height: auto;
    justify-content: center;
    margin-bottom: 30px;
    margin-top: 75px;
  }
  .page-job-new-bg > h2 {
    color: #29398a;
    font-size: 20px;
    font-family: "Quattrocento Sans";
    font-weight: 700;
    text-align: center;
  }
  .job-new-container {
    width: 80%;
    margin: auto;
    flex-direction: column;
  }
  .job-new-box {
    width: 100%;
    padding: 18px 27px;
    justify-content: space-between;
    box-shadow: 0px 0px 6px #d9d9d9;
    border-radius: 8px;
    align-items: center;
    margin-bottom: 15px;
    flex-direction: column;
  }
  .job-new-box h4 {
    font-family: "Noto Sans Thai", sans-serif;
    font-size: 15px;
    color: #29398a;
    max-width: 70%;
  }
  .job-new-row {
    justify-content: space-between;
    width: 100%;
  }
  .job-new-arrow {
    font-size: 15px;
    font-family: "Quattrocento Sans";
    font-weight: 700;
    color: #576dda;
    cursor: pointer;
    align-items: center;
  }
  .job-new-arrow img {
    width: 9px;
    margin-left: 5px;
    object-fit: cover;
    filter: invert(43%) sepia(62%) saturate(790%) hue-rotate(197deg)
      brightness(88%) contrast(93%);
  }
  .job-new-row.active .job-new-arrow {
    color: #d9d9d9;
  }
  .job-new-row.active .job-new-arrow img {
    rotate: 180deg;
    filter: invert(87%) sepia(28%) saturate(11%) hue-rotate(336deg)
      brightness(115%) contrast(70%);
  }
  .job-new-row.job-detail {
    flex-direction: column;
    font-family: "Noto Sans Thai", sans-serif;
    font-size: 15px;
    margin-top: 15px;
    line-height: 25px;
    color: #707070;
  }
  .job-new-row.job-detail b {
    color: #29398a;
    font-weight: 600;
  }
  .job-new-row.job-apply {
    justify-content: flex-start;
    margin-top: 30px;
    margin-bottom: 15px;
  }
  .job-new-row.job-apply button {
    background-color: #576dda;
    color: #ffffff;
    box-shadow: 0px 3px 6px #576dda80;
    border-radius: 30px;
    padding: 10px 30px;
    font-size: 15px;
    font-family: "Quattrocento Sans";
    font-weight: 700;
    justify-content: center;
    align-items: center;
    border: none;
    cursor: pointer;
  }
  .job-new-app-detail-box {
    background-color: #ededed;
  }
  .job-new-app-detail-box h4 {
    color: #ff6e6e;
  }
  .job-new-app-detail-arrow {
    color: #707070;
  }
  .job-new-row.active .job-new-app-detail-arrow {
    color: #9e9e9e;
  }
  .job-new-app-detail-arrow img {
    filter: invert(43%) sepia(0%) saturate(1192%) hue-rotate(200deg)
      brightness(103%) contrast(96%);
  }
  .job-new-row.active .job-new-app-detail-arrow img {
    filter: invert(64%) sepia(16%) saturate(0%) hue-rotate(266deg)
      brightness(96%) contrast(90%);
  }
  .job-app-detail {
    color: #707070;
    line-height: 30px;
    margin-bottom: 35px;
  }
  .job-app-detail a {
    color: #ff6e6e;
    text-decoration: none;
    margin-left: 7px;
  }
  .job-app-detail a.line-add {
    margin-left: 0px;
  }
  .job-new-app-cbox {
    width: 100%;
    justify-content: space-between;
  }
  .job-app-detail.right {
    align-items: flex-start;
    justify-content: flex-start;
    width: 50%;
    min-width: 250px;
    display: none;
  }
  .job-app-detail.right h5 {
    color: #707070;
    font-size: 20px;
  }
  .job-app-detail.right b {
    color: #707070;
    font-weight: 800;
  }
  .job-app-detail.right img.line_button {
    width: 109px;
    margin-top: 11px;
    margin-bottom: 15px;
  }
  .job-app-detail.right img.line_qr {
    width: 180px;
    margin-bottom: 15px;
  }
  .job-new-cover {
    width: 100%;
    flex-direction: column;
  }
  .height0 {
    max-height: 0px;
    overflow: hidden;
    transition-duration: 0.5s;
  }
  #job-toggle {
    cursor: pointer;
  }
  .job-app-contact-box {
    flex-direction: column;
    font-size: 15px;
    line-height: 25px;
    font-family: "Noto Sans Thai", sans-serif;
    background-color: #ededed;
    color: #707070;
    padding: 32px 27px;
    box-shadow: 0px 0px 6px #d9d9d9;
    border-radius: 8px;
  }
  .job-app-contact-box h5 {
    color: #707070;
    font-size: 15px;
  }
  .job-app-contact-box b {
    color: #707070;
    font-weight: 800;
    font-size: 15px;
  }
  .job-app-contact-box img.line_button {
    width: 109px;
    margin-top: 10px;
    margin-bottom: 12px;
  }
  .job-app-contact-box img.line_qr {
    width: 180px;
    margin-bottom: 12px;
  }

  /* page projects */
  .page-project-header {
    width: 100%;
    margin-bottom: 40px;
    justify-content: center;
    align-items: center;
    font-family: "Quattrocento Sans";
    font-weight: 700;
    color: #29398a;
    margin-top: 80px;
  }
  .page-project-header h2 {
    font-size: 20px;
  }
  .page-project-ref-container {
    height: 137px;
    width: 80%;
    margin: auto;
    overflow: hidden;
    margin-bottom: 70px;
    background-image: url("../img/project/logos.jpeg");
    background-position: top;
    background-size: cover;
    background-repeat: no-repeat;
    flex-direction: column;
    transition-duration: 0.7s;
  }
  .project-ref-gradient {
    width: 100%;
    height: 100%;
    background-image: linear-gradient(
      to bottom,
      rgba(255, 0, 0, 0),
      rgb(255, 255, 255)
    );
    transition-duration: 0.7s;
  }
  .page-project-ref-container img {
    width: 100%;
  }
  .project-gray-box {
    width: 100%;
    background-color: #ededed;
    flex-direction: column;
    padding: 40px 10% 30px 10%;
  }
  .project-white-box {
    width: 100%;
    background-color: #ffffff;
    flex-direction: column;
    padding: 40px 10% 30px 10%;
  }
  .indiv-project-container {
    width: 100%;
    flex-direction: column;
    justify-content: center;
    padding: 0px 10% 0px 10%;
  }
  .project-box-header {
    justify-content: space-between;
  }
  .project-box-header h4 {
    font-size: 15px;
    font-family: "Quattrocento Sans";
    font-weight: 700;
    color: #29398a;
    margin-bottom: 20px;
  }
  .project-box-header a {
    text-decoration: none;
    font-size: 11px;
    font-family: mukta;
    color: #576dda;
    align-items: flex-end;
    margin-bottom: 20px;
  }
  .project-box-images {
    width: 100%;
    justify-content: space-between;
    height: auto;
    flex-direction: column;
  }
  .project-box-images img {
    width: 100%;
    height: 172px;
    object-fit: cover;
  }
  .project-adjust-mobile {
    width: 100%;
    justify-content: space-between;
    margin-bottom: 18px;
  }
  .project-box-element {
    flex-direction: column;
    width: 48%;
    align-items: center;
  }
  .project-box-element p2 {
    text-align: center;
    margin-top: 19px;
    font-size: 13px;
    line-height: 22px;
    color: #29398a;
  }
  .page-project-menu-container {
    border-top: 2px solid #d4d9f5;
    justify-content: center;
    overflow-y: scroll;
    position: sticky;
    top: 0px;
    background-color: white;
  }
  .indiv-project-menu-container {
    border-top: 4px solid #d4d9f5;
    justify-content: center;
    background-color: white;
  }
  .page-project-menu {
    text-align: center;
    flex-direction: column;
    width: 80%;
  }
  .page-project-menu a {
    text-decoration: none;
    color: #576dda;
    font-family: "Quattrocento Sans";
    font-weight: 700;
    border-top: 2px solid #d4d9f5;
  }
  .page-project-menu a#first_box {
    border-top: none;
  }
  .project-dropArrow {
    justify-content: center;
    align-items: center;
    background-color: #ffffff;
    cursor: pointer;
    margin-top: -80px;
    margin-bottom: 40px;
  }
  #project-dropArrow-icon {
    transition-duration: 0.5s;
  }

  /* qc page */
  .page-qc-header {
    width: 100%;
    margin-top: 80px;
    margin-bottom: 30px;
    justify-content: center;
    align-items: center;
    flex-direction: column;
  }
  .page-qc-header h2 {
    color: #29398a;
    font-size: 20px;
    font-family: "Quattrocento Sans";
    font-weight: 700;
    margin-bottom: 40px;
    text-align: center;
  }
  .page-qc-header p {
    color: #707070;
    font-size: 15px;
    font-family: Mukta;
    max-width: 760px;
    width: 80%;
    text-align: center;
    line-height: 25px;
  }
  #qc-header-p {
    display: none;
  }
  .qc-diagram {
    aspect-ratio: 1/1;
    width: 100%;
    background-image: url("/img/quality/qc-diagram.svg");
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
    margin: auto;
    margin-bottom: 20px;
  }
  .qc-diagram h1 {
    color: #29398a;
    font-size: 16px;
    font-family: "Quattrocento Sans";
    font-weight: 700;
    font-weight: 700;
    text-align: start;
  }
  .qc-diagram h2 {
    display: none;
  }
  .qc-diagram p {
    display: none;
  }
  .qc-diagram a {
    text-decoration: none;
    cursor: pointer;
    color: #c2c4d8;
    font-size: 10px;
    font-family: Mukta;
    justify-content: start;
  }
  .diagram-container {
    width: 100%;
  }
  .column {
    width: 40%;
  }
  .column-space {
    width: 20%;
  }
  .diagram-1 {
    margin-top: 55%;
    margin-left: 42%;
    flex-direction: column;
  }
  .diagram-2 {
    position: absolute;
    margin-top: 67%;
    margin-left: 17%;
    max-width: 64px;
    flex-direction: column;
  }
  .diagram-3 {
    position: absolute;
    margin-top: 20%;
    margin-left: 7%;
    max-width: 64px;
    flex-direction: column;
  }
  .diagram-4 {
    position: absolute;
    margin-top: 70%;
    margin-left: 7%;
    max-width: 160px;
    flex-direction: column;
  }

  /* qc graybox */
  .qc-gray-box {
    width: 100%;
    min-height: 385px;
    height: auto;
    background-color: #ededed;
    padding: 60px 10%;
    flex-direction: column;
  }
  .qc-gray-box p {
    color: #707070;
    font-size: 16px;
    width: 100%;
    text-align: start;
    line-height: 22px;
    align-items: center;
  }

  .qc-icon-safety {
    background-image: url("/img/quality/safety.svg");
    background-repeat: no-repeat;
    background-size: auto;
    width: 180px;
    height: 180px;
    align-items: flex-start;
    margin-bottom: 70px;
    margin-left: -30px;
    flex-direction: column;
  }
  .qc-icon-safety p {
    color: #29398a;
    font-size: 15px;
    align-items: center;
    font-family: Mukta;
    margin-left: 65%;
    width: 245px;
    margin-top: 30px;
  }
  #qc-safety {
    color: #29398a;
    font-size: 20px;
    font-family: "Quattrocento Sans";
    font-weight: 700;
    align-items: center;
    margin-top: 50px;
    margin-left: 70px;
    white-space: nowrap;
  }
  .qc-img-box {
    width: 100%;
    height: 150px;
  }
  .qc-img-box img {
    object-fit: cover;
    width: 50%;
    height: 150px;
  }
  .qc-img-box.iso img {
    object-fit: contain;
    width: 90%;
    height: 150px;
  }
  .qc-img-overlay {
    width: 100%;
    height: 150px;
    position: absolute;
    background-color: #0000005a;
  }
  .qc-icon-license {
    background-image: url("/img/quality/license.svg");
    background-repeat: no-repeat;
    background-size: auto;
    width: 180px;
    height: 180px;
    align-items: flex-start;
    margin-bottom: 50px;
    flex-direction: column;
  }
  .qc-icon-license p {
    color: #29398a;
    font-size: 15px;
    font-family: Mukta;
    margin-left: 85px;
    margin-top: 30px;
    width: 250px;
  }
  #qc-license {
    color: #29398a;
    font-size: 20px;
    font-family: "Quattrocento Sans";
    font-weight: 700;
    margin-left: 85px;
    margin-top: 40px;
    white-space: nowrap;
  }
  #qc-license-sub {
    color: #29398a;
    font-size: 15px;
    font-family: "Quattrocento Sans";
    font-weight: 700;
    margin-left: 85px;
    white-space: nowrap;
  }

  /* qc white box */
  .qc-white-box {
    width: 100%;
    min-height: 385px;
    height: auto;
    padding: 60px 10%;
    flex-direction: column;
    align-items: flex-end;
  }
  .qc-white-box p {
    color: #707070;
    font-size: 16px;
    width: 100%;
    text-align: start;
    line-height: 22px;
    align-items: center;
    margin-bottom: 30px;
  }
  .qc-white-box h2,
  h3 {
    color: #29398a;
    font-size: 20px;
    font-family: "Quattrocento Sans";
    font-weight: 700;
    margin-right: 75px;
    white-space: nowrap;
  }
  .qc-icon-bim {
    background-image: url("/img/quality/bim.svg");
    background-repeat: no-repeat;
    background-size: auto;
    width: 180px;
    height: 180px;
    align-items: flex-end;
    margin-bottom: 100px;
    margin-left: 160px;
    flex-direction: column;
  }
  .qc-icon-bim p {
    color: #29398a;
    font-size: 15px;
    font-family: Mukta;
    text-align: end;
    margin-right: 40px;
    margin-top: 20px;
    width: 230px;
  }
  #qc-bim {
    margin-top: 90px;
  }
  #qc-bim-sub {
    font-size: 15px;
    white-space: nowrap;
  }

  .qc-icon-service {
    background-image: url("/img/quality/service.svg");
    background-repeat: no-repeat;
    background-size: auto;
    width: 180px;
    height: 180px;
    align-items: flex-end;
    margin-bottom: 50px;
    margin-left: 160px;
    flex-direction: column;
  }
  .qc-icon-service p {
    color: #29398a;
    font-size: 15px;
    font-family: Mukta;
    margin-right: 125px;
    margin-top: 25px;
    width: 180px;
    text-align: end;
  }
  #qc-service {
    margin-right: 75px;
    margin-top: 75px;
  }
}

@media only screen and (max-width: 450px) {
  .qc-diagram h1 {
    color: #29398a;
    font-size: 11px;
    font-family: "Quattrocento Sans";
    font-weight: 700;
    font-weight: 700;
    text-align: start;
    width: 100%;
  }
  .qc-diagram h2 {
    display: none;
  }
  .qc-diagram p {
    display: none;
  }
  .qc-diagram a {
    text-decoration: none;
    cursor: pointer;
    color: #c2c4d8;
    font-size: 10px;
    font-family: Mukta;
    justify-content: start;
  }
}