/* ===== Reset & Base ===== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  width: 100%;
  background-color: #023d99;
  overflow-x: hidden;
  -webkit-text-size-adjust: none;
  text-size-adjust: none;
}

body {
  width: 100%;
  min-height: 100%;
  background-color: #023d99;
  background-image: linear-gradient(180deg, #0a0a0a 0%, #0a0a0a 85%, #023d99 100%);
  background-repeat: no-repeat;
  background-attachment: fixed;
  background-size: 100% 100vh;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
}

body {
  font-family: "Pretendard", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-weight: 400;
  color: #fff;
  word-break: keep-all;
}

a {
  color: inherit;
  text-decoration: none;
  cursor: pointer;
}

button {
  padding: 0;
  border: none;
  background: none;
  font: inherit;
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
}

ul,
ol {
  list-style: none;
}

img,
video {
  border: 0;
  vertical-align: top;
  max-width: 100%;
}

.blind {
  overflow: hidden;
  position: absolute;
  clip: rect(0, 0, 0, 0);
  width: 1px;
  height: 1px;
  margin: -1px;
}

.en {
  font-family: "Inter Tight", sans-serif;
}

#wrap {
  position: relative;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ===== Header / GNB ===== */
.header {
  display: flex;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 59px;
  margin: 0 auto;
  background-color: transparent;
  align-items: center;
  z-index: 200;
  transition: background-color 0.3s, backdrop-filter 0.3s;
}

.header.black {
  background-color: rgba(17, 17, 17, 0.2);
  backdrop-filter: blur(120px);
  -webkit-backdrop-filter: blur(120px);
}

.header .inner {
  display: flex;
  align-items: center;
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 40px;
}

.header .title {
  flex-shrink: 0;
}

.header .title a {
  display: flex;
  align-items: center;
  height: 59px;
}

.header .logo-img {
  display: block;
  height: 40px;
  width: auto;
  object-fit: contain;
}

/* GNB */
.header .gnb_box {
  flex: 1;
  height: 100%;
  display: flex;
  margin-left: auto;
  align-items: center;
}

.header .gnb_list_wrap {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  width: 100%;
}

.header .gnb_list {
  display: flex;
  align-items: center;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}

.header .gnb_list > li {
  position: relative;
}

.header .gnb_list > li + li {
  margin-left: 40px;
}

.header .gnb_box .link_gnb,
.header .gnb_box .ly_inner_list a {
  position: relative;
  display: block;
  font-family: "Inter Tight", sans-serif;
  font-weight: 600;
  font-size: 16px;
  line-height: 59px;
  letter-spacing: 0;
  color: #fff;
  transition: opacity 0.2s, color 0.3s;
}

.header:not(.black) .gnb_box .link_gnb,
.header:not(.black) .gnb_box .ly_inner_list a {
  color: #5ad4ff;
}

.header .gnb_box .link_gnb:hover,
.header .gnb_box .ly_inner_list a:hover {
  opacity: 0.7;
}

/* Dropdown arrow */
.link_gnb.type_more::after {
  content: "";
  display: inline-block;
  width: 10px;
  height: 10px;
  margin-left: 4px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 10 10'%3E%3Cpath fill='%23fff' d='M2 3.5L5 6.5L8 3.5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-size: contain;
  vertical-align: middle;
  transition: transform 0.2s;
}

.header:not(.black) .link_gnb.type_more::after {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 10 10'%3E%3Cpath fill='%235ad4ff' d='M2 3.5L5 6.5L8 3.5'/%3E%3C/svg%3E");
}

.gnb_list > li.has-sub:hover .link_gnb.type_more::after {
  transform: rotate(180deg);
}

/* Dropdown menu */
.ly_inner_list {
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translate(-50%, 100%);
  min-width: 140px;
  padding: 16px 0;
  border-radius: 8px;
  background-color: rgba(17, 17, 17, 0.85);
  backdrop-filter: blur(80px);
  -webkit-backdrop-filter: blur(80px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s, visibility 0.2s;
  z-index: 10;
}

.gnb_list > li.has-sub:hover .ly_inner_list {
  opacity: 1;
  visibility: visible;
}

.ly_inner_list li a {
  display: block;
  padding: 8px 24px;
  font-size: 14px;
  line-height: 20px;
  text-align: center;
  color: #fff !important;
}

.ly_inner_list li a:hover {
  color: #5ad4ff !important;
}

/* Login & Official link */
.login_box {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-left: auto;
  position: relative;
  height: 59px;
}

.header .gnb_box a.btn_registration {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  height: 32px;
  min-width: 0;
  padding: 0 16px;
  font-family: "Inter Tight", sans-serif;
  font-weight: 600;
  font-size: 13px;
  line-height: 1;
  letter-spacing: -0.02em;
  color: #111;
  border: 1px solid #4dd3fd;
  border-radius: 4px;
  background-color: #4dd3fd;
  box-sizing: border-box;
  white-space: nowrap;
  transition: background-color 0.2s, color 0.2s, border-color 0.2s;
}

.header .gnb_box a.btn_registration:hover {
  opacity: 1;
  background-color: #111;
  color: #fff;
  border-color: #4dd3fd;
}

.header .gnb_box a.link_official {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  height: 32px;
  font-family: "Inter Tight", sans-serif;
  font-weight: 600;
  font-size: 13px;
  line-height: 1;
  letter-spacing: 0;
  color: #fff;
  padding: 0;
  white-space: nowrap;
  transition: opacity 0.2s, color 0.3s;
}

.header .gnb_box a.link_official .icon_external {
  display: block;
  flex-shrink: 0;
  width: 14px;
  height: 14px;
}

.header .gnb_box a.link_official:hover {
  opacity: 0.7;
}

.header:not(.black) .gnb_box a.link_official {
  color: #5ad4ff;
}

.header.black .gnb_box a.link_official {
  color: #fff;
}

/* Mobile menu button */
.btn_menu {
  display: none;
  position: relative;
  width: 24px;
  height: 24px;
}

.menu-icon,
.menu-icon::before,
.menu-icon::after {
  display: block;
  width: 24px;
  height: 2px;
  background-color: #fff;
  transition: background-color 0.3s;
}

.header:not(.black) .menu-icon,
.header:not(.black) .menu-icon::before,
.header:not(.black) .menu-icon::after {
  background-color: #5ad4ff;
}

.menu-icon {
  position: relative;
}

.menu-icon::before,
.menu-icon::after {
  content: "";
  position: absolute;
  left: 0;
}

.menu-icon::before {
  top: -8px;
}

.menu-icon::after {
  top: 8px;
}

.btn_menu_close {
  display: none;
  width: 24px;
  height: 24px;
  position: relative;
}

.btn_menu_close::before,
.btn_menu_close::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 24px;
  height: 2px;
  background-color: #fff;
}

.btn_menu_close::before {
  transform: translate(-50%, -50%) rotate(45deg);
}

.btn_menu_close::after {
  transform: translate(-50%, -50%) rotate(-45deg);
}

/* ===== Hero / Main Visual ===== */
.case_main {
  padding-top: 0;
}

.case_main .main {
  position: relative;
  height: 100vh;
  text-align: center;
  background: none;
  overflow: hidden;
  z-index: 0;
}

.case_main .main .spot_bg {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  z-index: 0;
}

.case_main .main .spot_bg video,
.case_main .main .spot_bg .hero_canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.case_main .main .spot_bg video {
  z-index: 1;
  display: block;
}

.hero_canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  display: block;
}

.hero_canvas[hidden] {
  display: none !important;
}

.spot_overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    180deg,
    rgba(0, 0, 0, 0.25) 0%,
    rgba(0, 0, 0, 0.15) 40%,
    rgba(0, 0, 0, 0.35) 70%,
    rgba(17, 17, 17, 0.65) 100%
  );
  pointer-events: none;
}

.case_main .main .spot_wrap {
  position: relative;
  z-index: 10;
  height: 100vh;
  overflow: hidden;
}

.case_main .main .spot {
  position: absolute;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
  padding: 59px 40px 80px;
  text-align: center;
}

.case_main .main .spot.spot01 {
  top: 0;
}

.case_main .main .spot.spot02 {
  top: 100%;
}

.spot_title {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.spot_title_main {
  font-family: "Inter Tight", sans-serif;
  font-weight: 700;
  font-size: clamp(48px, 8vw, 96px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: #fff;
  text-shadow: 0 2px 40px rgba(0, 0, 0, 0.4);
}

.spot_title_sub {
  font-family: "Inter Tight", sans-serif;
  font-weight: 600;
  font-size: clamp(14px, 2vw, 20px);
  letter-spacing: 0.02em;
  color: #fff;
}

.page-test .spot_title_sub,
.page-novideo .spot_title_sub {
  font-size: clamp(20px, 3.2vw, 32px);
  letter-spacing: 0.03em;
}

.page-test .case_main .main .spot.spot01 {
  justify-content: flex-start;
  padding: calc(50vh - clamp(72px, 10vw, 110px)) 40px 80px;
}

.page-test .spot_hero_apply {
  margin-top: clamp(64px, 8vw, 92px);
  text-align: center;
}

.page-test .btn_hero_apply {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: clamp(260px, 42vw, 320px);
  height: clamp(60px, 8vw, 68px);
  padding: 0 48px;
  border: 1px solid #4dd3fd;
  border-radius: 4px;
  font-family: "Inter Tight", sans-serif;
  font-weight: 700;
  font-size: clamp(20px, 2.4vw, 24px);
  letter-spacing: -0.02em;
  color: #111;
  background-color: #4dd3fd;
  transition: background-color 0.2s, color 0.2s, border-color 0.2s;
}

.page-test .btn_hero_apply:hover {
  background-color: #111;
  color: #fff;
  border-color: #4dd3fd;
}

.page-test .spot_slide_head {
  background: linear-gradient(180deg, #67a7d7 0%, #9ec5e3 12%, #ffffff 30%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  text-shadow: none;
}

.page-test .case_main .main .spot.spot02 .spot_slide_head {
  margin-top: -10vh;
}

.page-test .spot_bg video[hidden] {
  display: none !important;
}

.page-test .spot_title_main,
.page-test .spot_slide_head {
  font-size: clamp(37px, 6.12vw, 73px);
}

.page-test .spot_title_main,
.page-test .spot_title_sub,
.page-test .spot_slide_head,
.page-test .btn_hero_apply {
  text-shadow: none;
  filter: drop-shadow(0 1px 4px rgba(2, 61, 153, 0.9));
}

.page-test .program_schedule {
  margin-top: 0;
}

.page-test .program_row--multi .program_content {
  overflow: visible;
}

.page-test .session_cards {
  margin-bottom: 25px;
}

.page-test .session_footer {
  padding-top: 0;
}

.page-test .program_sessions > li {
  position: relative;
}

.page-test .program_sessions > li + li {
  margin-top: 0;
  padding-top: 0;
  border-top: none;
}

.page-test .program_sessions > li + li::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: -16px;
  height: 1px;
  background-color: rgba(255, 255, 255, 0.15);
  pointer-events: none;
}

.page-test .program_row.program_row--multi {
  padding-top: 0;
  padding-bottom: 0;
  align-items: stretch;
}

.page-test .program_row.program_row--multi .program_time {
  align-self: center;
  padding: 18px 0;
}

.page-test .program_session_row {
  display: grid;
  grid-template-columns: minmax(0, 65%) minmax(0, 35%);
  align-items: center;
  min-height: 96px;
  height: 96px;
  box-sizing: border-box;
  margin-right: -16px;
  padding-right: 16px;
  transition: background-color 0.25s ease;
}

.page-test .program_row.program_row--multi:hover {
  background-color: transparent;
}

.page-test .program_session_row:hover {
  background-color: #1a1a1a;
}

.page-test .program_session_main {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  height: 100%;
  padding: 0 16px 0 0;
  box-sizing: border-box;
}

.page-test .program_session_badge {
  align-self: center;
  margin: 0;
  flex-shrink: 0;
  min-height: auto;
  padding: 3px 8px;
  border-radius: 5px;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.45;
  letter-spacing: -0.01em;
}

.page-test .program_session_body {
  flex: 1;
  display: flex;
  align-items: center;
  align-self: center;
  min-width: 0;
  padding-top: 0;
}

.page-test .program_session_body .program_session_title {
  margin: 0;
}

.page-test .program_session_speakers {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 20px;
  min-width: 0;
  margin: 0;
  padding-right: 0;
}

.page-test .program_session_row:has(.program_session_speakers--duo) {
  height: auto;
  min-height: 96px;
}

.page-test .program_session_speakers--duo {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.page-test .program_session_avatars {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.page-test .program_session_speaker_text--duo {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.page-test .program_session_speaker_line {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.page-test .program_session_speaker_item--label-only {
  align-items: center;
}

.page-test .program_session_speaker_item--label-only .program_session_speaker_text {
  justify-content: center;
}

.page-test .program_session_speaker_item--label-only .program_session_speaker_role {
  color: rgba(255, 255, 255, 0.52);
  white-space: nowrap;
}

.page-test .program_session_body .program_session_title.is-pending {
  color: rgba(255, 255, 255, 0.42);
  font-weight: 500;
}

.page-test .program_session_speaker_item {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.page-test .program_session_avatar {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  overflow: hidden;
  background-color: #1a1a1a;
}

.page-test .program_session_avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
}

.page-test .program_session_speaker_text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.page-test .program_session_speaker_name {
  font-size: 14px;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: #fff;
  white-space: nowrap;
}

.page-test .program_session_speaker_role {
  font-size: 13px;
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: rgba(255, 255, 255, 0.52);
  white-space: nowrap;
}

@media (max-width: 768px) {
  .page-test .case_main .main .spot.spot01 {
    padding: calc(50vh - clamp(56px, 14vw, 88px) - 32px) 20px 80px;
  }

  .page-test .spot_hero_apply {
    margin-top: calc(clamp(80px, 16vw, 104px) + 32px);
  }

  .program_time {
    font-size: clamp(18px, 5vw, 22px);
    font-weight: 400;
  }

  .page-test .program_sessions > li + li::before {
    left: 0;
    right: -12px;
  }

  .page-test .program_session_row {
    grid-template-columns: 1fr;
    height: auto;
    min-height: 96px;
    gap: 16px;
    margin-right: -5%;
    padding: 12px 5% 12px 0;
  }

  .page-test .program_session_main {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    width: 100%;
  }

  .page-test .program_session_badge {
    align-self: flex-start;
  }

  .page-test .program_session_body {
    width: 100%;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }

  .page-test .program_session_speakers--duo {
    flex-wrap: wrap;
  }

  .page-test .program_session_speakers {
    width: 100%;
    margin: 0;
    justify-content: flex-start;
    flex-wrap: wrap;
  }

  .page-test .program_session_speaker_text:not(.program_session_speaker_text--duo) {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    gap: 0 6px;
  }

  .page-test .program_session_speaker_text--duo .program_session_speaker_line {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    gap: 0 6px;
  }

  .page-test .program_session_speaker_name,
  .page-test .program_session_speaker_role {
    white-space: normal;
  }

  .page-test .program_session_speaker_text--duo .program_session_speaker_name,
  .page-test .program_session_speaker_text--duo .program_session_speaker_role {
    white-space: normal;
  }

  .page-test .session_cards,
  .page-test .program_schedule,
  .page-test .program_notice,
  .page-test .ground_grid,
  .page-test .section_faq .faq_list,
  .page-test .replay_grid {
    width: 100%;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
  }

  .page-test .program_schedule {
    padding-left: 0;
    padding-right: 0;
  }

  .page-test .program_row {
    margin-left: 0;
    margin-right: 0;
    padding-left: 5%;
    padding-right: 5%;
  }

  .page-test .program_notice {
    padding-left: 0;
    padding-right: 0;
  }

  .page-test .section_faq .faq_list {
    margin-left: auto;
    margin-right: auto;
    padding-left: 0;
    padding-right: 0;
  }

  .page-test .replay_grid {
    justify-items: stretch;
  }

  .page-test .replay_card {
    width: 100%;
    max-width: none;
    box-sizing: border-box;
  }

  .page-test .faq_item {
    padding: 14px 5%;
    gap: 6px 12px;
  }

  .page-test .faq_answer {
    padding-right: 0;
  }

  .page-test .faq_item.is_open .faq_body {
    display: contents;
  }

  .page-test .faq_item.is_open .faq_question {
    grid-column: 1;
    grid-row: 2;
  }

  .page-test .faq_item.is_open .faq_toggle {
    grid-column: 2;
    grid-row: 2;
  }

  .page-test .faq_item.is_open .faq_answer {
    grid-column: 1 / -1;
    grid-row: 3;
    padding-right: 0;
  }

  .page-test .faq_question {
    min-height: 0;
    line-height: 1.35;
    padding-right: 0;
  }

  .page-test .faq_item.is_open .faq_answer_inner {
    padding-top: 12px;
  }

  .page-test .faq_answer_inner p {
    line-height: 1.45;
  }

  .page-test .faq_answer_inner p + p {
    margin-top: 8px;
  }

  .page-test .faq_item.is_open .faq_label {
    padding-top: 2px;
  }

  .page-test .section_faq .section_title {
    margin-bottom: 32px;
  }

  .page-test .section_faq .inner {
    padding-top: 60px;
    padding-bottom: 60px;
  }
}

.spot_slide_head {
  font-family: "Inter Tight", sans-serif;
  font-weight: 500;
  font-size: clamp(48px, 8vw, 96px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: #fff;
  text-shadow: 0 2px 40px rgba(0, 0, 0, 0.4);
}

/* Scroll down indicator */
.ico_down {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 20;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  border: 0;
  background: none;
  cursor: pointer;
  animation: bounce 2s infinite;
}

.ico_down::after {
  content: "";
  display: block;
  width: 36px;
  height: 36px;
  border: 2px solid rgba(255, 255, 255, 0.6);
  border-radius: 50%;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23fff' d='M6 8L2 4h8z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
}

.scroll-text {
  font-size: 12px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.7);
  letter-spacing: 0.1em;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
  40% { transform: translateX(-50%) translateY(-8px); }
  60% { transform: translateX(-50%) translateY(-4px); }
}

/* ===== Section Area ===== */
.section_area {
  position: relative;
  z-index: 2;
  margin-top: -100vh;
  overflow: hidden;
  background-color: #111;
}

.section_area .inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
}

.section_title {
  font-family: "Inter Tight", sans-serif;
  text-align: center;
  font-weight: 700;
  font-size: 40px;
  line-height: 48px;
  color: #fff;
}

/* Coming / About Section */
.section_coming {
  background: linear-gradient(180deg, rgba(17, 17, 17, 0) 0%, #111 30%);
}

.section_coming.section_about {
  display: flex;
  align-items: center;
  position: relative;
  overflow: visible;
  min-height: 100vh;
  box-sizing: border-box;
  padding: 120px 0;
  background: linear-gradient(180deg, #0a0a0a 0%, #0a0a0a 85%, #023d99 100%);
}

.about_gate {
  position: absolute;
  bottom: 0;
  z-index: 3;
  display: flex;
  align-items: flex-end;
  pointer-events: none;
  will-change: transform;
}

.about_gate--left {
  left: 0;
}

.about_gate--right {
  right: 0;
}

.about_gate img {
  display: block;
  width: auto;
  height: auto;
  max-height: min(92vh, 860px);
  max-width: clamp(140px, 22vw, 340px);
  object-fit: contain;
  object-position: bottom center;
}

.section_coming.section_about .inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 100%;
  padding: 60px 40px;
  gap: 40px;
  text-align: center;
  will-change: transform;
}

.section_coming.section_about#about {
  scroll-margin-top: 0;
}

.section_session#sessions,
.section_ground#event,
.section_location#information,
.section_faq#faq,
.section_replay#replay {
  scroll-margin-top: 80px;
}

.section_coming.section_about .section_title {
  flex: none;
  text-align: center;
  text-transform: none;
  font-size: clamp(24px, 3.6vw, 42px);
  line-height: 1.35;
}

.section_coming.section_about .section_title_sub {
  display: inline-block;
  margin-top: 0.15em;
  font-weight: 400;
  font-size: clamp(18px, 2.4vw, 28px);
  line-height: 1.4;
}

.section_title-mobile {
  display: none;
}

.section_coming.section_about .info_container {
  flex: none;
  max-width: 594px;
}

.section_coming.section_about .btn_apply_box {
  text-align: center;
  margin-top: 0;
}

.section_coming .inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: 140px 40px 100px;
  gap: 40px;
  scroll-margin-top: 80px;
}

.section_coming .section_title {
  min-width: 0;
  flex: 1;
  text-align: left;
  font-size: clamp(40px, 6vw, 78px);
  line-height: 1.05;
  text-transform: uppercase;
}

.section_coming .section_title.type_day {
  font-size: clamp(60px, 10vw, 150px);
  line-height: 0.95;
}

.section_coming .info_container {
  flex: 1;
  min-width: 280px;
  max-width: 594px;
}

.section_coming .info_text {
  font-weight: 500;
  font-size: 18px;
  line-height: 26px;
  letter-spacing: -0.03em;
  color: #fff;
}

.section_coming .info_text + .info_text {
  margin-top: 20px;
}

.info_text-mobile {
  display: none;
}

.btn_apply_box {
  margin-top: 52px;
  text-align: left;
}

.btn_common {
  display: inline-block;
  min-width: 228px;
  height: 56px;
  padding: 0 40px;
  border: 1px solid #4dd3fd;
  border-radius: 4px;
  font-weight: 700;
  font-size: 20px;
  line-height: 54px;
  letter-spacing: -0.02em;
  color: #111;
  background-color: #4dd3fd;
  text-align: center;
  transition: background-color 0.2s, color 0.2s, border-color 0.2s;
}

.btn_common:hover {
  background-color: #111;
  color: #fff;
  border-color: #4dd3fd;
}

.btn_common.type_check {
  color: #fff;
  background-color: #444;
}

.btn_common.type_check:hover {
  background-color: #666;
}

/* ===== Sessions Section ===== */
.section_session {
  background-color: #111;
  overflow: hidden;
}

.section_session .inner {
  padding: 120px 40px 0;
}

.section_session .section_title {
  margin-bottom: 60px;
}

.session_cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 80px;
}

.session_card {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  aspect-ratio: 3 / 4;
  cursor: pointer;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.28);
  transition: transform 0.35s ease, box-shadow 0.35s ease;
}

.session_card:hover {
  transform: translateY(-20px);
  box-shadow: 0 28px 48px rgba(0, 0, 0, 0.5);
}

.card_bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: transform 0.5s ease;
}

.card_bg::after {
  content: none;
}

.session_card:hover .card_bg {
  transform: scale(1.14);
}

.card_bg_keynote {
  background-image: url("../images/S1.jpg");
}

.card_bg_deepdive {
  background-image: url("../images/S2.jpg");
}

.card_bg_service {
  background-image: url("../images/S3.jpg");
}

.card_content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1;
  padding: 32px 24px;
  background: transparent;
}

.card_label {
  display: block;
  font-family: "Inter Tight", sans-serif;
  font-weight: 700;
  font-size: 24px;
  color: #fff;
  margin-bottom: 8px;
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.35);
}

.session_card:has(.card_bg_keynote) .card_label {
  color: #5ad4ff;
}

.session_card:has(.card_bg_deepdive) .card_label {
  color: #34d399;
}

.session_card:has(.card_bg_service) .card_label {
  color: #f5b942;
}

.card_desc {
  font-size: 14px;
  line-height: 20px;
  color: rgba(255, 255, 255, 0.88);
  text-shadow: 0 1px 6px rgba(0, 0, 0, 0.35);
}

.session_track_head {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 28px;
}

.session_track_title {
  margin: 0;
  font-family: "Inter Tight", sans-serif;
  font-weight: 700;
  font-size: 30px;
  line-height: 48px;
  text-align: center;
  color: #fff;
}

.session_nav {
  position: absolute;
  right: 0;
  top: 50%;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
  transform: translateY(-50%);
}

.btn_session_nav {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  color: rgba(255, 255, 255, 0.85);
  background: transparent;
  transition: color 0.2s, background-color 0.2s;
}

.btn_session_nav:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
}

.btn_session_nav:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.session_carousel_outer {
  margin-left: max(40px, calc((100% - 1440px) / 2 + 40px));
  overflow-x: clip;
  overflow-y: visible;
  isolation: isolate;
}

.session_carousel {
  display: flex;
  gap: 12px;
  overflow-x: auto;
  overflow-y: visible;
  overscroll-behavior-x: contain;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  padding: 48px 56px;
  margin: -48px 0;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  cursor: grab;
}

.session_carousel.is-dragging {
  cursor: grabbing;
  scroll-snap-type: none;
  scroll-behavior: auto;
}

.session_carousel::-webkit-scrollbar {
  display: none;
}

.session_roll_card {
  flex: 0 0 clamp(240px, 22vw, 280px);
  width: clamp(240px, 22vw, 280px);
  min-height: 324px;
  padding: 25px 22px 22px;
  border-radius: 16px;
  background: linear-gradient(180deg, #1a1a1a 0%, #1a1a1a 85%, #023d99 100%);
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  position: relative;
  z-index: 1;
  overflow: hidden;
  transform: scale(1);
  transform-origin: center center;
  transition: transform 0.35s ease;
  will-change: transform;
}

.session_roll_card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: url("../images/agenda_hover.jpg") center / cover no-repeat;
  opacity: 0;
  transition: opacity 0.35s ease;
  z-index: 0;
  pointer-events: none;
}

.session_roll_card > * {
  position: relative;
  z-index: 1;
}

.session_roll_card:last-child {
  margin-right: max(40px, calc((100% - 1440px) / 2 + 40px));
}

@media (hover: hover) and (pointer: fine) {
  .session_roll_card:hover {
    transform: scale(1.2);
    z-index: 20;
  }

  .session_roll_card:hover::before {
    opacity: 1;
  }

  .session_carousel.is-dragging .session_roll_card:hover {
    transform: scale(1);
    z-index: 1;
  }

  .session_carousel.is-dragging .session_roll_card:hover::before {
    opacity: 0;
  }
}

.session_badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  align-self: flex-start;
  min-height: 28px;
  padding: 6px 12px;
  margin-bottom: 18px;
  border-radius: 8px;
  font-family: "Inter Tight", sans-serif;
  font-weight: 700;
  font-size: 11px;
  line-height: 1.25;
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.session_badge--keynote {
  background: #5ad4ff;
  color: #111;
}

.session_badge--deep-dive {
  background: #34d399;
  color: #111;
}

.session_badge--case-study {
  background: #8b7cf6;
  color: #fff;
}

.session_badge--business {
  background: #f5b942;
  color: #111;
}

.session_roll_title {
  flex: 1;
  margin: 0;
  font-family: "Inter Tight", sans-serif;
  font-weight: 700;
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.35;
  letter-spacing: -0.02em;
  color: #fff;
}

.session_speaker {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  margin-top: 25px;
}

.session_speaker_info {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.session_speaker_item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin: 0;
}

.session_speaker_name {
  font-size: 17px;
  font-weight: 600;
  line-height: 1.35;
  color: #fff;
}

.session_speaker_role {
  font-size: 15px;
  font-weight: 400;
  line-height: 1.35;
  color: rgba(255, 255, 255, 0.65);
}

.session_speaker_dot {
  flex-shrink: 0;
  font-size: 17px;
  line-height: 1;
  color: rgba(255, 255, 255, 0.45);
  align-self: center;
}

.session_footer {
  padding: 40px 40px 120px;
}

.sub_title_box {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.sub_title_box--center {
  justify-content: center;
}

.sub_title_box .sub_title {
  font-family: "Inter Tight", sans-serif;
  font-weight: 700;
  font-size: 30px;
  line-height: 48px;
  color: #fff;
}

.btn_apply {
  display: inline-block;
  padding: 0 20px;
  border-radius: 4px;
  font-weight: 600;
  font-size: 16px;
  line-height: 48px;
  letter-spacing: -0.02em;
  color: #111;
  background-color: #4dd3fd;
  transition: background-color 0.2s;
}

.btn_apply:hover {
  background-color: #38c8ed;
}

/* Program schedule */
.program_schedule {
  margin-top: 48px;
  padding: 0 40px;
  background: transparent;
  border: none;
  border-radius: 0;
}

.program_row {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 24px 32px;
  margin: 0 -16px;
  padding: 28px 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  align-items: start;
  transition: background-color 0.25s ease;
}

.program_row:hover {
  background-color: #1a1a1a;
}

.program_row:not(.program_row--multi) {
  align-items: center;
}

.program_row:not(.program_row--multi) .program_category {
  margin-bottom: 0;
}

.program_row:first-child {
  padding-top: 28px;
  border-top: 2px solid rgba(255, 255, 255, 0.28);
}

.program_row:last-child {
  padding-bottom: 28px;
  border-bottom: 2px solid rgba(255, 255, 255, 0.28);
}

.program_time {
  font-family: "Inter Tight", sans-serif;
  font-weight: 600;
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 1.4;
  color: #fff;
  white-space: nowrap;
}

.program_content {
  min-width: 0;
}

.program_category {
  margin: 0 0 8px;
  font-family: "Inter Tight", sans-serif;
  font-weight: 700;
  font-size: clamp(18px, 2vw, 24px);
  line-height: 1.3;
  color: rgba(255, 255, 255, 0.92);
}

.program_category--keynote {
  color: #5ad4ff;
}

.program_category--deep-dive {
  color: #34d399;
}

.program_category--case-study {
  color: #8b7cf6;
}

.program_category--business {
  color: #f5b942;
}

.program_row--multi .program_category {
  margin-bottom: 28px;
}

.program_session_title {
  margin: 0 0 6px;
  font-size: clamp(14px, 1.5vw, 16px);
  font-weight: 500;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.92);
}

.program_session_head {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.program_session_head .program_session_title {
  flex: 1;
  min-width: 0;
  margin: 0;
}

.program_session_badge {
  margin-bottom: 0;
  margin-top: 2px;
  flex-shrink: 0;
}

.program_session_title.is-pending {
  color: rgba(255, 255, 255, 0.42);
  font-weight: 500;
}

.program_session_head + .program_session_speaker {
  margin-top: 8px;
}

.program_session_meta {
  margin: 0 0 6px;
  font-size: 14px;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.65);
}

.program_session_speaker {
  margin: 0;
  font-size: 14px;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.75);
}

.program_sessions {
  list-style: none;
  margin: 0;
  padding: 0;
}

.program_sessions li + li {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.program_notice {
  margin: 24px 0 48px;
  padding: 0 40px;
  font-size: 13px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.45);
  text-align: left;
}

/* ===== GROUND Section ===== */
.section_ground {
  background-color: #0a0a0a;
}

.section_ground .inner {
  padding: 120px 40px;
}

.section_ground .section_title {
  margin-bottom: 60px;
}

.ground_grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.ground_item {
  border-radius: 12px;
  overflow: hidden;
  background-color: #1a1a1a;
  box-shadow: none;
  cursor: pointer;
  transition: transform 0.35s ease, box-shadow 0.5s ease;
}

@media (hover: hover) and (pointer: fine) {
  .ground_item:hover {
    transform: translateY(-20px);
    box-shadow:
      0 0 28px 10px rgba(2, 61, 153, 0.28),
      0 0 56px 20px rgba(2, 61, 153, 0.16),
      0 0 88px 32px rgba(77, 211, 253, 0.08);
  }

  .ground_item:hover .ground_img img {
    transform: scale(1.14);
  }
}

.ground_img {
  height: clamp(300px, 24vw, 360px);
  overflow: hidden;
}

.ground_img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}

.ground_info {
  padding: 32px;
  text-align: center;
}

.ground_info strong {
  display: block;
  font-family: "Inter Tight", sans-serif;
  font-weight: 700;
  font-size: 24px;
  margin-bottom: 12px;
}

.ground_item:first-child .ground_info strong {
  color: #5ad4ff;
}

.ground_item:last-child .ground_info strong {
  color: #f5b942;
}

.ground_info p {
  font-size: 15px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.7);
  margin: 0;
}

.btn_more {
  font-family: "Inter Tight", sans-serif;
  font-weight: 600;
  font-size: 14px;
  color: #4dd3fd;
}

.btn_more::after {
  content: " →";
}

/* ===== Location Section ===== */
.section_location {
  background-color: #111;
}

.section_location .inner {
  padding: 120px 40px;
}

.section_location .section_title {
  margin-bottom: 40px;
}

.location_tabs {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 32px;
}

.tab_btn {
  padding: 12px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.85);
  background-color: rgba(255, 255, 255, 0.1);
  transition: background-color 0.2s, color 0.2s;
}

.tab_btn.active {
  color: #111;
  background-color: #fff;
}

.tab_btn:hover:not(.active) {
  background-color: rgba(255, 255, 255, 0.16);
}

.location_panels {
  border-radius: 16px;
  overflow: hidden;
}

.location_panel {
  display: grid;
  grid-template-columns: 65fr 35fr;
  min-height: 480px;
}

.location_panel[hidden] {
  display: none;
}

.location_panel_map {
  background-color: #1a1a1a;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 480px;
  overflow: hidden;
}

.location_panel_map img {
  width: 100%;
  height: 100%;
  min-height: 480px;
  object-fit: cover;
  display: block;
}

.location_panel_map--layout img {
  object-fit: contain;
  padding: 24px;
}

.location_panel_info {
  display: flex;
  flex-direction: column;
  padding: 48px 40px;
  background-color: #ececec;
  color: #111;
}

.location_label {
  display: block;
  font-family: "Inter Tight", sans-serif;
  font-size: 13px;
  font-weight: 500;
  color: rgba(0, 0, 0, 0.45);
  margin-bottom: 8px;
}

.location_name {
  display: block;
  font-family: "Inter Tight", sans-serif;
  font-size: 40px;
  line-height: 48px;
  font-weight: 700;
  margin-bottom: 8px;
}

.location_sub {
  font-family: "Inter Tight", sans-serif;
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 32px;
}

.location_detail {
  margin-bottom: 24px;
}

.location_detail h4 {
  font-family: "Inter Tight", sans-serif;
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 12px;
}

.location_detail ul {
  list-style: none;
}

.location_detail li {
  font-size: 14px;
  line-height: 1.65;
  color: rgba(0, 0, 0, 0.72);
  padding-left: 12px;
  position: relative;
}

.location_detail li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: rgba(0, 0, 0, 0.45);
}

.location_detail li + li {
  margin-top: 6px;
}

.location_detail p {
  font-size: 14px;
  line-height: 1.65;
  color: rgba(0, 0, 0, 0.72);
}

.location_directions {
  list-style: none;
}

.location_directions li {
  font-size: 14px;
  line-height: 1.65;
  color: rgba(0, 0, 0, 0.72);
  padding-left: 16px;
  position: relative;
}

.location_directions li::before {
  content: "◦";
  position: absolute;
  left: 0;
  color: rgba(0, 0, 0, 0.45);
}

.location_directions li.is-sub {
  font-size: 13px;
  line-height: 1.6;
  padding-left: 32px;
  margin-top: 6px;
}

.location_directions li.is-sub::before {
  content: "*";
  left: 16px;
}

.location_directions li + li {
  margin-top: 8px;
}

.location_detail.location_venue {
  margin-bottom: 20px;
}

.location_detail h4 + .location_divider {
  margin-top: 12px;
  margin-bottom: 20px;
}

.location_divider {
  height: 1px;
  background-color: rgba(0, 0, 0, 0.12);
}

.location_zone_list {
  list-style: none;
}

.location_zone_list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding-left: 0;
  position: static;
  color: inherit;
}

.location_zone_list li::before {
  content: none;
}

.location_zone_list li + li {
  margin-top: 16px;
}

.location_zone_list .zone_num {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background-color: #111;
  color: #fff;
  font-family: "Inter Tight", sans-serif;
  font-size: 12px;
  font-weight: 700;
  line-height: 1;
}

.location_zone_list .zone_text strong {
  display: block;
  font-family: "Inter Tight", sans-serif;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.4;
  color: #111;
}

.location_zone_list .zone_text p {
  margin-top: 4px;
  font-size: 13px;
  line-height: 1.5;
  color: rgba(0, 0, 0, 0.6);
}

.btn_traffic {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: auto;
  padding: 16px 24px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  background-color: #111;
  transition: background-color 0.2s;
}

.btn_traffic:hover {
  background-color: #333;
}

.btn_traffic svg {
  flex-shrink: 0;
}

/* ===== FAQ Section ===== */
.section_faq {
  background-color: #0a0a0a;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.section_faq .inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 120px 40px;
}

.section_faq .section_title {
  margin-bottom: 48px;
}

.faq_list {
  margin: 0 -16px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.faq_item {
  display: grid;
  grid-template-columns: 120px 1fr 48px;
  gap: 0 32px;
  align-items: center;
  padding: 32px 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  transition: background-color 0.25s ease, align-items 0.3s ease;
}

.faq_item:hover {
  background-color: #1a1a1a;
}

.faq_item.is_open {
  align-items: start;
}

.faq_label {
  display: block;
  font-size: 14px;
  line-height: 20px;
  color: rgba(255, 255, 255, 0.45);
  word-break: keep-all;
}

.faq_item.is_open .faq_label {
  padding-top: 8px;
}

.faq_body {
  min-width: 0;
}

.faq_question {
  display: flex;
  align-items: center;
  width: 100%;
  min-height: 48px;
  text-align: left;
  font-family: "Inter Tight", sans-serif;
  font-weight: 700;
  font-size: clamp(20px, 3vw, 28px);
  line-height: 1.4;
  letter-spacing: -0.02em;
  color: #fff;
  cursor: pointer;
}

.faq_item.is_open .faq_question {
  min-height: 0;
  align-items: flex-start;
}

.faq_answer {
  display: grid;
  grid-template-rows: 0fr;
  overflow: hidden;
  padding-right: 20px;
  transition: grid-template-rows 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq_item.is_open .faq_answer {
  grid-template-rows: 1fr;
}

.faq_answer_inner {
  min-height: 0;
  overflow: hidden;
  padding-top: 0;
  transition: padding-top 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq_item.is_open .faq_answer_inner {
  padding-top: 20px;
}

.faq_answer_inner p {
  font-size: 15px;
  line-height: 26px;
  color: rgba(255, 255, 255, 0.65);
  letter-spacing: -0.02em;
}

.faq_answer_inner p + p {
  margin-top: 12px;
}

.faq_answer a {
  color: #4dd3fd;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.faq_answer a:hover {
  color: #7ee0ff;
}

.faq_toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  align-self: center;
  cursor: pointer;
  transition: opacity 0.2s;
  position: relative;
}

.faq_item.is_open .faq_toggle {
  align-self: start;
  margin-top: 4px;
}

.faq_toggle:hover {
  opacity: 0.7;
}

.icon_plus,
.icon_minus {
  position: absolute;
  top: 50%;
  left: 50%;
  margin: 0;
  transform: translate(-50%, -50%);
  display: block;
  width: 18px;
  height: 18px;
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.faq_item.is_open .icon_plus {
  opacity: 0;
  transform: translate(-50%, -50%) rotate(90deg) scale(0.6);
}

.faq_item:not(.is_open) .icon_minus {
  opacity: 0;
  transform: translate(-50%, -50%) rotate(-90deg) scale(0.6);
}

.faq_item.is_open .icon_minus {
  opacity: 1;
  transform: translate(-50%, -50%);
}

.faq_item:not(.is_open) .icon_plus {
  opacity: 1;
  transform: translate(-50%, -50%);
}

.icon_plus::before,
.icon_plus::after,
.icon_minus::before {
  content: "";
  position: absolute;
  background-color: #fff;
}

.icon_plus::before,
.icon_minus::before {
  top: 50%;
  left: 0;
  width: 100%;
  height: 2px;
  transform: translateY(-50%);
}

.icon_plus::after {
  top: 0;
  left: 50%;
  width: 2px;
  height: 100%;
  transform: translateX(-50%);
}

/* ===== Replay Section ===== */
.section_replay {
  background-color: #0a0a0a;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.section_replay .inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 120px 40px;
}

.section_replay .section_title {
  margin-bottom: 40px;
  background: linear-gradient(180deg, #4d96c9 0%, #67a7d7 28%, #9ec5e3 58%, #ffffff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.replay_title_br {
  display: none;
}

.replay_grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.replay_grid--single {
  display: block;
  width: 100%;
  max-width: none;
}

.replay_card {
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: 20px;
  border-radius: 20px;
  background-color: #1a1a1a;
  transition: background-color 0.25s ease;
}

@media (hover: hover) and (pointer: fine) {
  .replay_card:hover {
    background-color: #2a2a2a;
  }
}

.replay_video {
  position: relative;
  aspect-ratio: 16 / 9;
  background-color: #000;
  overflow: hidden;
}

.replay_video::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background-color: rgba(0, 0, 0, 0.7);
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.replay_play_icon {
  position: absolute;
  left: 50%;
  top: 50%;
  z-index: 2;
  width: 25%;
  height: 25%;
  transform: translate(-50%, -50%);
  object-fit: contain;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.replay_card:hover .replay_play_icon,
.replay_card:hover .replay_video::after,
.replay_card.is-playing .replay_play_icon,
.replay_card.is-playing .replay_video::after {
  opacity: 0;
  pointer-events: none;
}

.replay_video iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.replay_card_body {
  padding: 20px 4px 4px;
}

.replay_title {
  margin: 0 0 8px;
  font-family: "Inter Tight", sans-serif;
  font-size: clamp(17px, 2vw, 22px);
  font-weight: 700;
  line-height: 1.45;
  letter-spacing: -0.02em;
  color: #fff;
}

.replay_title--simple {
  margin: 0;
  font-size: clamp(16px, 1.8vw, 20px);
  font-weight: 600;
}

.replay_speaker {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.72);
}

/* ===== Footer ===== */
.footer {
  background: transparent;
}

.footer .inner {
  max-width: 1440px;
  margin: 0 auto;
  padding: 40px;
}

.top_container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 24px;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.top_container:empty {
  display: none;
  padding: 0;
  border: none;
}

.footer_info {
  order: 2;
  flex: 1 1 auto;
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  justify-content: center;
  gap: 12px 24px;
  min-width: 0;
  text-align: center;
  line-height: 1;
}

.footer_info a {
  font-size: 13px;
  line-height: 1;
  color: rgba(255, 255, 255, 0.6);
  transition: color 0.2s;
}

.footer_info a:hover {
  color: #fff;
}

.footer_contact {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  justify-content: center;
  gap: 8px 10px;
  margin: 0;
  font-size: 13px;
  line-height: 1;
  color: rgba(255, 255, 255, 0.6);
}

.footer_contact_label {
  margin-right: 2px;
}

.footer_contact_item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.footer_contact_icon {
  flex-shrink: 0;
  color: rgba(255, 255, 255, 0.55);
}

.footer_contact_item a {
  color: rgba(255, 255, 255, 0.6);
  transition: color 0.2s;
}

.footer_contact_item a:hover {
  color: #fff;
}

.footer_contact_sep {
  color: rgba(255, 255, 255, 0.35);
}

.footer_actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.sns_list {
  display: flex;
  gap: 12px;
}

.sns_list a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  color: rgba(255, 255, 255, 0.75);
  background-color: rgba(255, 255, 255, 0.1);
  transition: background-color 0.2s, color 0.2s;
}

.sns_list a:hover {
  color: #fff;
  background-color: rgba(255, 255, 255, 0.2);
}

.btn_top {
  padding: 8px 16px;
  border-radius: 4px;
  font-family: "Inter Tight", sans-serif;
  font-weight: 600;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: all 0.2s;
}

.btn_top:hover {
  color: #111;
  background-color: #4dd3fd;
  border-color: #4dd3fd;
}

.under_container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-top: 24px;
}

.footer:not(:has(.top_container:not(:empty))) .under_container {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.under_container_meta {
  display: contents;
}

.footer_logo {
  order: 1;
  flex-shrink: 0;
  width: auto;
  height: 16px;
  opacity: 0.5;
}

.corp_list {
  order: 3;
  flex-shrink: 0;
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  gap: 24px;
  margin-left: 0;
  line-height: 1;
}

.corp_list li {
  font-size: 13px;
  line-height: 1;
  color: rgba(255, 255, 255, 0.4);
}

/* ===== Mobile Responsive ===== */
@media (max-width: 1279px) {
  .header .gnb_box {
    flex: 0 0 auto;
    margin-left: auto;
    width: auto;
  }

  .header .gnb_list {
    position: static;
    transform: none;
  }

  .header .gnb_list_wrap {
    display: none;
  }

  .header .gnb_box.open .gnb_list_wrap,
  .gnb_list_wrap.is-open {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: flex-start;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100%;
    height: 100dvh;
    max-height: none;
    z-index: 10000;
    box-sizing: border-box;
    padding: 59px 30px calc(48px + env(safe-area-inset-bottom, 0px));
    background-color: #111;
    overflow-x: hidden;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
    touch-action: pan-y;
  }

  .header .gnb_box.open .gnb_list > li .link_gnb,
  .header .gnb_box.open .link_official,
  .gnb_list_wrap.is-open .link_gnb,
  .gnb_list_wrap.is-open .link_official {
    color: #fff !important;
    opacity: 1;
  }

  .header .gnb_box.open .btn_menu_close::before,
  .header .gnb_box.open .btn_menu_close::after,
  .gnb_list_wrap.is-open .btn_menu_close::before,
  .gnb_list_wrap.is-open .btn_menu_close::after {
    background-color: #fff;
  }

  .header .gnb_box.open .gnb_list,
  .gnb_list_wrap.is-open .gnb_list {
    display: block;
    width: 100%;
    position: static;
    transform: none;
    order: 0;
    margin-top: 0;
  }

  .header .gnb_box.open .gnb_list > li,
  .gnb_list_wrap.is-open .gnb_list > li {
    display: block;
  }

  .header .gnb_box.open .gnb_list > li + li,
  .gnb_list_wrap.is-open .gnb_list > li + li {
    margin-top: 20px;
    margin-left: 0;
  }

  .header .gnb_box.open .gnb_list > li .link_gnb,
  .gnb_list_wrap.is-open .gnb_list > li .link_gnb {
    font-size: 28px;
    line-height: 40px;
    color: #fff !important;
  }

  .header .gnb_box.open .ly_inner_list,
  .gnb_list_wrap.is-open .ly_inner_list {
    position: relative;
    bottom: auto;
    left: auto;
    transform: none;
    opacity: 1;
    visibility: visible;
    background: transparent;
    backdrop-filter: none;
    padding: 12px 0 0 14px;
  }

  .header .gnb_box.open .ly_inner_list li a,
  .gnb_list_wrap.is-open .ly_inner_list li a {
    text-align: left;
    font-size: 20px;
    line-height: 32px;
    padding: 4px 0;
  }

  .header .gnb_box.open .login_box,
  .gnb_list_wrap.is-open .login_box {
    display: contents;
  }

  .header .gnb_box.open .login_box .btn_registration,
  .gnb_list_wrap.is-open .login_box .btn_registration {
    order: -1;
    width: 50%;
    max-width: 240px;
    height: 52px;
    padding: 0 24px;
    font-size: 18px;
    margin-bottom: 32px;
    color: #111 !important;
    background-color: #4dd3fd !important;
    border-color: #4dd3fd !important;
  }

  .header .gnb_box.open .login_box .btn_registration:hover,
  .gnb_list_wrap.is-open .login_box .btn_registration:hover {
    background-color: #111 !important;
    color: #fff !important;
    border-color: #4dd3fd !important;
  }

  .header .gnb_box.open .login_box .link_official,
  .gnb_list_wrap.is-open .login_box .link_official {
    order: 0;
    width: auto;
    height: auto;
    margin-top: 24px;
    padding-top: 0;
    font-size: 16px;
    line-height: 1;
    color: #fff !important;
  }

  .btn_menu {
    display: flex;
    align-items: center;
    justify-content: center;
    position: fixed;
    top: 18px;
    right: 30px;
    z-index: 110;
  }

  .header .gnb_box.open .btn_menu {
    display: none;
  }

  html.menu-open .btn_menu {
    display: none;
  }

  .header .gnb_box.open .btn_menu_close,
  .gnb_list_wrap.is-open .btn_menu_close {
    display: block;
    position: fixed;
    top: 18px;
    right: 30px;
    z-index: 10001;
  }

  .session_cards {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin: 0 auto 60px;
  }

  .session_carousel_outer {
    margin-left: 30px;
  }

  .session_roll_card:last-child {
    margin-right: 30px;
  }

  .session_speaker--dual .session_speaker_info {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .session_speaker_dot {
    display: none;
  }

  .section_session .inner,
  .section_session .session_footer {
    padding-left: 30px;
    padding-right: 30px;
  }

  .section_session .session_footer {
    padding-bottom: 80px;
  }

  .program_schedule {
    padding: 0 24px;
  }

  .program_row {
    grid-template-columns: 1fr;
    gap: 12px;
    margin: 0 -12px;
    padding: 24px 12px;
  }

  .program_notice {
    margin-bottom: 40px;
    padding: 0 24px;
    text-align: left;
  }

  .ground_grid {
    grid-template-columns: 1fr;
  }

  .location_panel {
    grid-template-columns: 1fr;
  }

  .location_panel_map {
    min-height: clamp(360px, 72vw, 480px);
  }

  .location_panel_map img {
    width: 100%;
    height: auto;
    min-height: clamp(360px, 72vw, 480px);
    max-height: none;
  }

  .location_panel_map--layout img {
    padding: 12px;
    object-fit: contain;
  }

  .location_panel_info {
    padding: 32px 24px;
  }

  .section_coming.section_about {
    padding: 80px 0;
  }

  .section_coming.section_about .inner {
    padding: 40px 30px;
  }

  .info_text-desktop,
  .section_title-desktop {
    display: none;
  }

  .info_text-mobile,
  .section_title-mobile {
    display: inline;
  }

  .section_coming .inner {
    flex-direction: column;
    padding: 80px 30px 60px;
  }

  .section_coming .section_title {
    text-align: center;
  }

  .btn_apply_box {
    text-align: center;
  }

  .faq_item {
    grid-template-columns: 1fr 48px;
    gap: 8px 16px;
    padding: 24px 16px;
  }

  .faq_label {
    grid-column: 1 / -1;
    padding-top: 0;
    font-size: 13px;
  }

  .faq_body {
    grid-column: 1;
  }

  .faq_toggle {
    grid-column: 2;
    grid-row: 2;
    align-self: center;
  }

  .faq_item.is_open .faq_toggle {
    align-self: start;
  }

  .section_faq .inner {
    padding: 80px 30px;
  }

  .section_replay .inner {
    padding: 80px 30px;
  }

  .replay_title_br {
    display: inline;
  }

  .replay_grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .replay_card {
    padding: 16px;
    border-radius: 16px;
  }

  .replay_card_body {
    padding: 16px 2px 2px;
  }
}

@media (max-width: 767px) {
  .header .inner {
    padding: 0 20px;
  }

  .header .gnb_box.open .btn_menu_close,
  .btn_menu {
    right: 20px;
  }

  .section_area .inner,
  .section_session .inner,
  .section_ground .inner,
  .section_location .inner {
    padding-left: 20px;
    padding-right: 20px;
  }

  .section_faq .inner,
  .section_replay .inner {
    padding: 60px 20px;
  }

  .section_replay .section_title {
    font-size: 26px;
    line-height: 34px;
  }

  .replay_title_br {
    display: inline;
  }

  .case_main .main .spot {
    padding: 80px 20px;
  }

  .about_gate img {
    max-width: clamp(72px, 22vw, 120px);
    max-height: 55vh;
    opacity: 0.9;
  }

  .faq_question {
    font-size: 18px;
    padding-right: 8px;
  }

  .footer .inner {
    padding: 30px 20px;
  }

  .top_container {
    justify-content: flex-end;
  }

  .footer_actions {
    width: 100%;
    justify-content: flex-end;
  }

  .under_container {
    display: flex;
    justify-content: space-between;
    gap: 8px 12px;
  }

  .footer_info {
    display: none;
  }

  .footer_logo {
    order: 1;
  }

  .corp_list {
    order: 2;
    margin-left: 0;
  }
}

@media (max-width: 1279px) {
  body {
    background-attachment: scroll;
  }
}

html.menu-open,
html.menu-open body {
  overflow: hidden;
  overscroll-behavior: none;
}

html.menu-open #wrap {
  overflow: visible;
}

html.menu-open .header,
html.menu-open .header.black {
  z-index: 10000;
  overflow: visible;
  background-color: transparent;
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
  filter: none !important;
  transform: none !important;
  transition: none;
}

body.menu-open {
  overflow: hidden;
  width: 100%;
}

/* Fade-in animation */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}