@media screen and (min-width: 1921px) {
  html {
    font-size: 18px;
  }
}
@media screen and (max-width: 1680px) {
  /* header */
  .gnb-item:not(:last-child) {
    margin-right: 2vw;
  }
}
@media screen and (max-width: 1480px) {
  html {
    font-size: 15px;
  }
}
@media screen and (max-width: 1280px) {
  html {
    font-size: 14px;
  }

  /* header */
  .gnb-wrap {
    max-width: 596px;
    width: 100%;
    height: 100vh;
    height: 100dvh;
    position: fixed;
    right: -100%;
    top: 0;
    z-index: 2;
    transition: right 0.6s;
  }
  .gnb-wrap.open {
    right: 0;
  }
  .gnb {
    background-color: var(--c-primary);
    display: flex;
    justify-content: center;
    align-items: center;
    position: static;
    transform: none;
  }
  .gnb-list {
    display: block;
    height: auto;
  }
  .gnb-item {
    font-size: 2.8rem;
    font-weight: 700;
    text-align: center;
    transition: color 0.2s;
  }
  .gnb-item:hover {
    color: var(--c-border); /* 0912 */
  }
  .gnb-item:not(:last-child) {
    margin-right: 0;
    margin-bottom: max(5vh, 4.5rem);
  }
  .gnb-item:after {
    display: none;
  }
  .gnb-link {
    display: block;
  }
  .past-connect {
    font-size: 1.125rem;
    text-align: center;
    width: 16rem;
    position: absolute;
    left: 50%;
    bottom: 7%;
    top: auto;
    transform: translateX(-50%);
  }
  .past-select {
    width: 100%;
    height: 3.35rem;
  }
  .past-options {
    border-radius: 1.25rem 1.25rem 0 0;
    top: auto;
    bottom: 3.35rem;
  }
  .past-connect .ico-chevron {
    transform: scaleY(-1);
  }
  .past-connect.open .ico-chevron {
    transform: scaleY(1);
  }
  .past-connect.open .past-select {
    border-radius: 0 0 1.5rem 1.5rem;
  }

  .sub-menu {
    margin-right: 0;
  }

  .header-toggle {
    display: block;
    margin-left: 0.8rem;
  }

  /* speaker */
  .speaker-list {
    grid-template-columns: repeat(3, 1fr);
  }

  /* location */
  .airport-wrap .content {
    display: block;
  }
  .airport-wrap .sub-tit {
    display: block;
    margin-bottom: 1.25rem;
  }
  .method-wrap:not(:last-of-type) {
    margin-bottom: 1rem;
  }
  .method-name {
    min-width: 58px;
  }
}
@media screen and (max-width: 1024px) {
  html {
    font-size: 13px;
  }

  /* main-visual */
  .evt-wrap {
    top: calc(6rem + 12%);
  }
  .evt-text {
    white-space: normal;
  }

  /* schedule */
  .tbl-schedule thead .tbl-name,
  .tbl-schedule thead .tbl-affiliation {
    display: none;
  }
  .tbl-schedule .tbl-time {
    min-width: 120px;
  }
  .tbl-schedule .tbl-wrap {
    display: table-cell;
  }
  .tbl-schedule .tbl-program {
    font-weight: 700;
    width: 100%;
  }
  .tbl-affiliation {
    margin-left: 0.5rem;
  }
  .tbl-schedule .tbl-name,
  .tbl-schedule .tbl-affiliation {
    font-weight: 300;
    display: inline-block;
    width: auto;
  }
  .tbl-schedule tbody .tbl-program {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
  }
  .tbl-schedule .tr-session .tbl-time span {
    border-radius: 1.25rem;
    padding: 0.4rem 0;
  }
  .tbl-schedule .tr-session .tbl-wrap {
    padding-top: 1.4rem;
    padding-bottom: 1.4rem;
  }

  /* location */
  .location {
    display: block;
  }
  .location-right {
    height: 500px;
  }
  .location-right iframe {
    height: 100%;
  }
  .airport-wrap .content {
    display: flex;
  }

  /* register */
  /* .lang-select.in-modal { 0912 768px로 옮김
    display: none;
  } */
}
@media screen and (max-width: 768px) {
  html {
    font-size: 12px;
  }
  .br-768 {
    display: block;
  }

  /* header */
  .header {
    z-index: 2000;
  }
  .gnb-wrap {
    max-width: none;
  }

  /* btn-float */
  .btn-float__bg {
    width: 7.5rem;
    height: 7.5rem;
  }

  /* main-visual */
  .evt-title {
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
    padding: 0 1rem;
  }
  .evt-info {
    font-size: 1.125rem;
  }
  .btn-register {
    font-size: 1.125rem;
    width: auto;
    padding-left: 4rem;
    padding-right: 4rem;
  }
  .main-bg {
    width: calc(100% - 5rem);
    height: 82.5%;
  }

  /* invite */
  .invite {
    padding-top: 2rem;
  }
  .invite-title {
    font-size: 2.5rem;
    line-height: 1.15;
  }
  .invite-content {
    padding: 2.5rem 1.5rem;
  }
  .invite-text:not(:last-of-type) {
    margin-bottom: 1.25rem;
  }

  /********** common **********/
  .section-title {
    font-size: 3rem;
  }

  /* schedule */
  .schedule {
    padding-top: 7rem;
  }
  .tbl-schedule .tbl-time {
    min-width: 107px;
  }

  /* speaker */
  .speaker {
    padding-top: 5rem;
  }
  .speaker-list {
    grid-template-columns: repeat(2, 1fr);
  }

  /* event */

  .event-table {
    width: 100%;
  }

  .description-row {
    flex-direction: column;
  }
  .description-text-stack {
    width: 100%;
  }
  .description-photo {
    padding-top: 30px;
    width: 100%;
  }

  .description-row-temp {
    flex-direction: column;
  }
  .description-text-stack-temp {
    width: 100%;
    padding-top: 0px;
    padding-right: 0px;
  }
  .description-photo-temp {
    padding-top: 30px;
    width: 100%;
  }

  .description-text-number-temp {
    font-size: 1.1rem;
    width: 24px;
    height: 24px;
  }

  .description-footer-text-container {
    height: 98px;
    padding: 5px 40px;
  }

  .description-footer-color-text,
  .description-footer-text {
    font-size: 1.3rem;
  }

  .prize-list {
    padding-top: 0px;
  }

  .prize-rank {
    width: 32px;
    height: 32px;
    top: 10px;
    left: 10px;
  }

  /* connect */
  .connect {
    padding-top: 7rem;
  }
  .gallery-top {
    width: 90%;
  }
  .gallery-thumbs {
    width: 90%;
    margin: 0 auto;
  }
  .navigation-wrap {
    width: 103%;
  }
  .swiper-button-next,
  .swiper-button-prev {
    width: auto;
  }
  .swiper-button-next:after,
  .swiper-button-prev:after {
    font-size: 1.75rem;
  }

  /* location */
  .location {
    margin-top: 7rem;
  }
  .location-left {
    padding-top: 5rem;
    padding-bottom: 5.25rem;
  }
  .airport-wrap .content {
    display: block;
  }
  .location-info {
    width: 100%;
    margin: 0;
    padding: 0 2.5rem;
  }
  .location-info .content {
    border-radius: 0.5rem;
    padding: 1.25rem 1.75rem;
  }
  .location-info .sub-tit {
    min-width: 82px;
  }

  /* register */
  .register {
    height: calc(100% - 6rem + 1px);
    top: calc(6rem - 1px);
  }
  .register .modal {
    border-radius: 0;
    max-width: none;
    max-height: none;
    height: 100%;
    padding: 2.125rem 0 2.125rem 2.5rem;
  }
  .btn-close {
    display: none;
  }
  .modal-scroll {
    padding-right: 2.5rem;
    padding-bottom: 8rem;
  }
  .modal-scroll .tit-wrap h4 {
    font-size: 2.5rem;
  }
  .modal-scroll .tit-bot > p {
    font-size: 1.125rem;
  }

  .lang-select.in-modal {
    display: none;
  }

  #register-form .user-info {
    display: block;
  }
  #register-form .input-wrap {
    width: 100%;
  }
  #register-form .input-wrap:not(:first-of-type) {
    margin-top: 1rem;
  }
  #register-form .input-wrap label {
    font-size: 1rem;
    margin-bottom: 0.6rem;
  }
  #register-form .input-wrap input {
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
  }
  #register-form .input-wrap input,
  #register-form .selected-option {
    font-size: 1.25rem;
    height: 3.75rem;
  }
  #register-form .selected-option .ico-chevron {
    width: 1.1rem;
    height: 0.6625rem;
  }
  #register-form .input-business,
  #register-form .input-department {
    margin-right: 0;
  }
  #register-form .select-countryCode {
    width: 7.5rem;
  }
  .business-list,
  .countryCode-list {
    font-size: 1.25rem;
  }
  .business-options,
  .countryCode-options {
    top: 4.25rem;
  }
  #register-form #phone {
    width: calc(100% - 8rem);
  }
  input[type="checkbox"] {
    width: 1.5rem;
    height: 1.5rem;
  }
  #register-form .agree-info {
    font-size: 0.9rem;
  }
  .lbl-all .content {
    font-size: 1.125rem;
  }
}
@media screen and (max-width: 480px) {
  /* schedule */
  .tbl-schedule .tbl-time {
    min-width: 90px;
    padding-right: 0;
  }

  /* speaker */
  .speaker-list {
    grid-template-columns: repeat(1, 1fr);
  }
  .card {
    aspect-ratio: 1 / 1;
  }
  .speaker-affiliation {
    font-size: 1rem;
  }
  .card-front .speaker-img {
    width: 50%;
  }
  .card-front .speaker-info {
    margin-top: 7%;
  }
  .card-front .speaker-name {
    font-size: 1.5rem;
  }

  /* event */
  .description-row {
    padding: 24px 16px;
  }

  .prize-list {
    gap: 8px;
  }

  .prize-rank {
    width: 25px;
    height: 25px;
    top: 0px;
    left: 0px;
    font-size: 0.75rem;
  }

  /* connect */
  .connect {
    padding-top: 40px;
  }

  .gallery-thumbs {
    display: none;
  }

  .description-row-temp {
    padding: 28px 32px;
  }

  .description-footer-wrapper {
    margin-bottom: 16px;
  }

  .description-footer-text-container {
    height: 98px;
    width: 90%;
    padding: 5px 14px;
  }

  .description-footer-color-text,
  .description-footer-text {
    font-size: 1.1rem;
  }

  @media screen and (max-width: 350px) {
    /* event */
    .description-row-temp {
      padding: 28px 24px;
    }

    .prize-list {
      gap: 0px;
    }

    .description-footer-text-container {
      height: 78px;
      padding: 0px;
      width: 94%;
    }

    .description-footer-color-text,
    .description-footer-text {
      font-size: 1rem;
    }
  }
}
