/* 메인배너 */
.main_banner {
  overflow: hidden;
}

.main_visual {
  position: relative;
  min-height: 820px;
}

.main_visual.has_carousel {
  min-height: 0;
  background: #c8e6f5;
}

.main_visual_carousel {
  position: relative;
  width: 100%;
  overflow: hidden;
}

.main_visual_carousel_viewport {
  width: 100%;
  overflow: hidden;
}

.main_visual_carousel_track {
  display: flex;
  width: 100%;
  transition: transform 0.6s ease;
  will-change: transform;
}

.main_visual_carousel_slide {
  flex: 0 0 100%;
  min-width: 0;
  display: block;
  line-height: 0;
}

.main_visual_carousel_slide img {
  display: block;
  width: 100%;
  height: auto;
}

.main_visual_carousel_arrow {
  position: absolute;
  top: 50%;
  z-index: 3;
  width: 56px;
  height: 56px;
  margin: 0;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: transparent;
  color: #1f2937;
  font-size: 36px;
  line-height: 1;
  cursor: pointer;
  transform: translateY(-50%);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s ease, color 0.2s ease;
}

.main_visual_carousel_arrow:hover {
  background: rgba(255, 255, 255, 0.55);
  color: #0f172a;
}

.main_visual_carousel_arrow i {
  font-size: 1em;
  line-height: 1;
  pointer-events: none;
}

.main_visual_carousel_prev {
  left: 24px;
}

.main_visual_carousel_next {
  right: 24px;
}

.main_visual_carousel_controls {
  position: absolute;
  left: 50%;
  bottom: 24px;
  z-index: 3;
  display: inline-flex;
  align-items: center;
  gap: 14px;
  transform: translateX(-50%);
  padding: 6px 14px;
  border-radius: 999px;
}

.main_visual_carousel_dots {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.main_visual_carousel_dot {
  width: 10px;
  height: 10px;
  padding: 0;
  border: 0;
  border-radius: 999px;
  background: #cbd5e1;
  cursor: pointer;
  transition: width 0.25s ease, background 0.25s ease;
}

.main_visual_carousel_dot.is_active {
  width: 24px;
  background: #2f6ef5;
}

.main_visual_carousel_toggle {
  position: relative;
  width: 22px;
  height: 22px;
  margin-left: 2px;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.main_visual_carousel_toggle_icon {
  position: relative;
  display: inline-block;
  width: 14px;
  height: 14px;
  pointer-events: none;
}

.main_visual_carousel_toggle_icon::before,
.main_visual_carousel_toggle_icon::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  width: 3px;
  background: #1f2937;
  border-radius: 1px;
  transition: opacity 0.15s ease;
}

.main_visual_carousel_toggle_icon::before {
  left: 2px;
}

.main_visual_carousel_toggle_icon::after {
  right: 2px;
}

.main_visual_carousel_toggle.is_paused .main_visual_carousel_toggle_icon::before {
  top: 50%;
  left: 1px;
  bottom: auto;
  width: 0;
  height: 0;
  background: transparent;
  border-style: solid;
  border-width: 7px 0 7px 11px;
  border-color: transparent transparent transparent #1f2937;
  border-radius: 0;
  transform: translateY(-50%);
}

.main_visual_carousel_toggle.is_paused .main_visual_carousel_toggle_icon::after {
  opacity: 0;
}

@media (max-width: 900px) {
  .main_visual_carousel_arrow {
    width: 40px;
    height: 40px;
    font-size: 24px;
  }

  .main_visual_carousel_prev {
    left: 10px;
  }

  .main_visual_carousel_next {
    right: 10px;
  }

  .main_visual_carousel_controls {
    bottom: 12px;
    gap: 10px;
  }

  .main_visual_carousel_dot {
    width: 8px;
    height: 8px;
  }

  .main_visual_carousel_dot.is_active {
    width: 20px;
  }
}

.main_visual_img {
  position: absolute;
  inset: 0;
  width: 100%;
  background-color: #1d9ae1;
  height: 100%;
}

.main_visual_img::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
}

.main_visual_img img,
.main_visual_img video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.main_visual_inner {
  position: relative;
  z-index: 1;
  max-width: 1520px;
  min-height: 720px;
  margin: 0 auto;
  padding: 120px 0;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 56px;
}

.main_visual_text {
  flex: 0 1 100%;
  color: #fff;
  animation: heroTextIn 0.8s ease-out both;
}

.main_visual_text h2 {
  margin: 0;
  font-size: clamp(42px, 5vw, 65px);
  line-height: 1.18;
  color: #fff;
  font-weight: 700;
}

.main_visual_text h2 span {
  color: #ffcb52;
}

.main_visual_desc {
  margin: 20px 0 0;
  font-size: 25px;
  line-height: 1.5;
  color: #fff;
  word-break: keep-all;
  white-space: nowrap;
}

.main_visual_panel {
  position: relative;
  flex: 0 1 950px;
}

.main_visual_slider {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 950px;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: 7px;
  background: #2f5ad1;
  box-shadow: 0 5px 5px rgb(37 39 44 / 10%), 0 14px 30px rgb(71 71 71 / 20%);
}

.main_visual_track {
  display: flex;
  height: 100%;
  gap: 0;
  transition: transform 0.6s ease;
  will-change: transform;
}

.main_visual_slide {
  position: relative;
  flex: 0 0 auto;
  width: auto;
  height: 100%;
  display: block;
  object-fit: cover;
}

.main_visual_slider_nav {
  position: absolute;
  left: 50%;
  bottom: -90px;
  z-index: 3;
  transform: translateX(-50%);
  display: inline-flex;
  align-items: center;
  gap: 18px;
  padding: 14px 28px;
  border-radius: 12px;
  background: rgba(20, 20, 20, 0.65);
}

.main_visual_slider_status {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: rgba(255, 255, 255, 0.92);
  font-size: 25px;
  line-height: 1;
  font-weight: 500 !important;
}

.main_visual_slider_dot {
  opacity: 0.65;
  transform: translateY(-1px);
}

.main_visual_slider_btn {
  border: 0;
  padding: 0;
  background: transparent;
  color: rgba(255, 255, 255, 0.95);
  font-size: 25px;
  line-height: 1;
  font-weight: 700;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.main_visual_slider_btn:hover {
  color: #fff;
}

.main_visual_slider_btn i {
  font-size: 1em;
  line-height: 1;
  pointer-events: none;
}

@media (max-width: 900px) {
  .main_visual_slider_nav {
    bottom: 12px;
    gap: 12px;
    padding: 9px 14px;
    border-radius: 10px;
  }

  .main_visual_slider_status {
    gap: 8px;
    font-size: 18px;
  }

  .main_visual_slider_btn {
    font-size: 20px;
  }
}

.main_visual_window {
  overflow: hidden;
  position: relative;
  z-index: 2;
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(248, 251, 255, 0.98), rgba(241, 246, 253, 0.98));
  border: 1px solid rgba(205, 214, 228, 0.98);
  box-shadow: 0 24px 56px rgba(15, 23, 42, 0.18), 0 8px 20px rgba(15, 23, 42, 0.06);
  backdrop-filter: blur(18px);
  animation: heroWindowFloat 5.2s ease-in-out 1.1s infinite;
}

.main_visual_window::before {
  content: "";
  position: absolute;
  inset: 1px;
  border-radius: 17px;
  border: 1px solid rgba(255, 255, 255, 0.68);
  pointer-events: none;
}

.window_bar {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  padding: 10px 20px 10px;
  background:
    radial-gradient(circle at 14% -30%, rgba(76, 210, 255, 0.42) 0%, rgba(76, 210, 255, 0) 36%),
    radial-gradient(circle at 84% -10%, rgba(111, 126, 255, 0.24) 0%, rgba(111, 126, 255, 0) 34%),
    linear-gradient(135deg, rgba(242, 248, 255, 0.98), rgba(233, 240, 250, 0.97) 48%, rgba(229, 236, 247, 0.96));
  border-bottom: 1px solid rgba(167, 207, 246, 0.72);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.84), inset 0 -1px 0 rgba(122, 196, 255, 0.18);
}

.window_bar::before {
  content: "";
  position: absolute;
  left: 16px;
  right: 16px;
  top: 0;
  height: 1px;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0), rgba(255, 255, 255, 0.96) 12%, rgba(218, 244, 255, 0.98) 50%, rgba(255, 255, 255, 0.96) 88%, rgba(255, 255, 255, 0));
  z-index: 0;
  pointer-events: none;
}

.window_bar::after {
  content: "";
  position: absolute;
  left: -8%;
  top: -8%;
  width: 40%;
  height: 100%;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0) 0%, rgba(214, 246, 255, 0.52) 26%, rgba(255, 255, 255, 0.68) 50%, rgba(214, 246, 255, 0.36) 74%, rgba(255, 255, 255, 0) 100%);
  transform: skewX(-24deg);
  opacity: 0.92;
  z-index: 0;
  pointer-events: none;
}

.window_titlebar {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 36px;
}

.window_titlebar_app {
  position: relative;
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  padding: 4px 12px 4px 8px;
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.54), rgba(255, 255, 255, 0.22));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.7), 0 1px 2px rgba(125, 163, 212, 0.12);
}

.window_titlebar_icon {
  width: 20px;
  height: 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #2a6ef4;
  font-size: 16px;
  line-height: 1;
  filter: drop-shadow(0 0 8px rgba(100, 191, 255, 0.28));
}

.window_titlebar_app strong {
  min-width: 0;
  overflow: hidden;
  color: #163157;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -0.03em;
  white-space: nowrap;
  text-overflow: ellipsis;
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.42);
}

.window_titlebar_actions {
  display: inline-flex;
  align-items: center;
  gap: 0;
  align-self: stretch;
  margin-left: auto;
}

.window_titlebar_actions button {
  appearance: none;
  -webkit-appearance: none;
  width: 36px;
  height: 36px;
  border: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  color: #5b6577;
  cursor: default;
  padding: 0;
  margin: 0;
  box-shadow: none;
  font-size: 15px;
}

.window_titlebar_actions .is_close {
  color: #596171;
}

.window_browser {
  display: flex;
  align-items: center;
  padding-right: 16px;
}

.window_browser_address {
  min-width: 0;
  flex: 1 1 auto;
  height: 42px;
  padding: 0 14px;
  display: flex;
  align-items: center;
  gap: 10px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(212, 220, 232, 0.98);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.65);
}

.window_browser_secure {
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #5d7699;
  font-size: 14px;
}

.window_browser_actions {
  flex: 0 0 auto;
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #7a8799;
  font-size: 14px;
}

.window_browser_address .text_gradient_ai,
.window_browser_label {
  margin: 0;
  min-width: 0;
  overflow: hidden;
  color: #3d4c63;
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  text-overflow: ellipsis;
  background: none;
  -webkit-text-fill-color: currentColor;
}

.window_bar p {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
}

.window_body {
  padding: 34px 38px 38px;
  background: linear-gradient(180deg, #fbfcfe 0%, #f8fafc 100%);
}

.window_heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 14px;
  padding: 0 0 12px;
  border-bottom: 1px solid #e7ecf3;
}

.window_heading h3 {
  margin: 0;
  color: #1f2937;
  font-size: 23px;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.window_heading span {
  color: #7b8798;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.feedback_card {
  position: relative;
  padding: 15px 18px 15px 35px;
  border: 1px solid #e6ebf2;
  border-radius: 9px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: none;
  opacity: 0;
  animation: heroCardIn 0.6s ease-out both;
}

.feedback_card + .feedback_card {
  margin-top: 8px;
}

.feedback_card.type_green {
  animation-delay: 0.42s;
}

.feedback_card.type_blue {
  animation-delay: 0.54s;
}

.feedback_card.type_orange {
  animation-delay: 0.66s;
}

.feedback_card::before {
  content: "";
  position: absolute;
  left: 18px;
  top: 21px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  box-shadow: none;
}

.feedback_card.type_green::before {
  background: #3eb69a;
}

.feedback_card.type_blue::before {
  background: #4f8df7;
}

.feedback_card.type_orange::before {
  background: #f0a13b;
}

.feedback_card.type_green {
  border-color: #e6ebf2;
}

.feedback_card.type_blue {
  border-color: #e6ebf2;
}

.feedback_card.type_orange {
  border-color: #e6ebf2;
}

.feedback_card strong {
  display: block;
  margin-bottom: 4px;
  color: #334155;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.feedback_card p {
  margin: 0;
  color: #5b6678;
  font-size: 15px;
  line-height: 1.55;
  word-break: keep-all;
}

.feedback_card.type_green {
  background: rgba(255, 255, 255, 0.96);
}

.feedback_card.type_green strong {
  color: #2f7d61;
}

.feedback_card.type_blue {
  background: rgba(255, 255, 255, 0.96);
}

.feedback_card.type_blue strong {
  color: #3d73c9;
}

.feedback_card.type_orange {
  background: rgba(255, 255, 255, 0.96);
}

.feedback_card.type_orange strong {
  color: #bf8537;
}

/* 교육과정 */
.course_section {
  background: #F7F8FA;
  padding: 110px 0 120px;
}

.course_inner {
  max-width: 1520px;
  margin: 0 auto;
  padding: 0 40px;
}

.course_header {
  text-align: center;
}

.section_title_motion h3,
.section_title_motion p {
  opacity: 0;
  transform: translateY(18px);
}

.section_title_motion.in-view h3 {
  animation: sectionTitleIn 0.7s ease-out both;
}

.section_title_motion.in-view p {
  animation: sectionTitleIn 0.7s ease-out 0.12s both;
}

.course_header h3 {
  margin: 0;
  color: #1b1f23;
  font-size: 50px;
  line-height: 1.15;
  font-weight: 700;
  letter-spacing: -0.04em;
}

.course_header p {
  display: inline-block;
  margin: 10px 0 0;
  color: #7a7f87;
  font-size: 20px;
  line-height: 1.5;
}

.course_matrix {
  margin-top: 62px;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1.65fr 2.1fr;
  gap: 22px;
  align-items: start;
}

.course_column {
  background: #fff;
  border-top: 3px solid;
}

.course_column_head {
  min-height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  font-size: 24px;
  font-weight: 600;
  line-height: 1.2;
}

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

.course_column ul li {
  min-height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8px 12px;
  color: #474b52;
  font-size: 18px;
  line-height: 1.35;
  text-align: center;
  border-bottom: 1px solid;
}

.course_column ul li a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  color: inherit;
  text-decoration: none;
}

.course_column.type_blue {
  border-color: #0B4DA2;
}

.course_column.type_blue .course_column_head {
  color: #0B4DA2;
  background: #dbe8fb;
}

.course_column.type_blue ul li {
  border-color: #c7dafb;
}

.course_column.type_green {
  border-color: #16a765;
}

.course_column.type_green .course_column_head {
  color: #16a765;
  background: #e1efe9;
}

.course_column.type_green ul li {
  border-color: #cfe4db;
}

.course_column.type_red {
  border-color: #e3352f;
}

.course_column.type_red .course_column_head {
  color: #e3352f;
  background: #f8e5e4;
}

.course_column.type_red ul li {
  border-color: #f0d4d2;
}

.course_column ul.split_two {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.course_column ul.split_two li {
  border-right: 1px solid;
}

.course_column.type_green ul.split_two li {
  border-right-color: #cfe4db;
}

.course_column.type_red ul.split_two li {
  border-right-color: #f0d4d2;
}

.course_column ul.split_two li:nth-child(2n) {
  border-right: 0;
}

.course_cards {
  margin: 60px auto 0;
  max-width: 1188px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  background: #fff;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(15, 23, 42, 0.08);
}

.course_card {
  min-height: 176px;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 30px 34px;
  text-decoration: none;
  background: #fff;
  border-right: 10px solid #f7f8fa;
  border-bottom: 10px solid #f7f8fa;
}

.course_card:nth-child(3n) {
  border-right: 0;
}

.course_card:nth-last-child(-n+3) {
  border-bottom: 0;
}

.course_card strong {
  display: block;
  margin-bottom: 18px;
  font-size: 24px;
  line-height: 1.2;
  font-weight: 700;
}

.course_card p {
  margin: 0;
  color: #6f747c;
  font-size: 18px;
  line-height: 1.9;
  word-break: keep-all;
}

.course_arrow {
  flex: 0 0 28px;
  width: 28px;
  height: 28px;
  margin-top: 4px;
  background: url("../common/img/caret-right-bold-grey.png") no-repeat center / 18px 18px;
}

.course_card.accent_blue strong {
  color: #0B4DA2;
}

.course_card.accent_green strong {
  color: #16a765;
}

.course_card.accent_red strong {
  color: #e3352f;
}

.course_card.accent_teal strong {
  color: #1f96c7;
}

.text_gradient_ai {
  background: linear-gradient(90deg, #11af8b 0%, #256ef4 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

/* AI ZONE */
.ai_zone_section {
  background: #fff;
  padding: 30px 0 120px;
}

.ai_zone_inner {
  max-width: 1520px;
  margin: 0 auto;
  padding: 0 40px;
}

.ai_zone_badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 112px;
  height: 48px;
  margin-bottom: 28px;
  padding: 0 24px;
  border: 2px solid #1d9ae1;
  border-radius: 999px;
  color: #1d9ae1;
  font-size: 18px;
  font-weight: 700;
  line-height: 1;
}

.ai_zone_showcase {
  margin-top: 68px;
  display: grid;
  grid-template-columns: 550px minmax(0, 1fr);
  gap: 28px;
  align-items: start;
}

.ai_feature_list {
  display: flex;
  flex-direction: column;
  gap: 19px;
}

.ai_feature_card {
  display: flex;
  align-items: center;
  gap: 18px;
  min-height: 116px;
  padding: 28px 24px;
  border: 1px solid #cfd5dc;
  border-radius: 20px;
  background: #fff;
  box-shadow: 0 8px 24px rgba(23, 31, 56, 0.04);
}

.ai_feature_card.is_active {
  border: 2px solid #0B4DA2;
}

.ai_feature_icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 72px;
  height: 72px;
  border-radius: 16px;
  background: #bcbec3;
}

.ai_feature_card.is_active .ai_feature_icon {
  background: #0B4DA2;
}

.ai_feature_icon img {
  display: block;
  width: 30px;
  height: 30px;
  object-fit: none;
}

.ai_feature_text strong {
  display: block;
  color: #7b7f86;
  font-size: 21px;
  font-weight: 700;
  line-height: 1.25;
}

.ai_feature_card.is_active .ai_feature_text strong {
  color: #0B4DA2;
}

.ai_feature_text p {
  margin: 8px 0 0;
  color: #7b7f86;
  font-size: 17px;
  line-height: 1.55;
  word-break: keep-all;
}

.ai_coach_panel {
  min-width: 0;
}

.ai_coach_window {
  overflow: hidden;
  border-radius: 24px;
  background: #fff;
  box-shadow: 0 16px 42px rgba(18, 32, 88, 0.12);
  border: 1px solid #e7ebf2;
}

.ai_coach_bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 19px 32px;
  background: #0B4DA2;
}

.ai_coach_bar h4 {
  margin: 0;
  color: #fff;
  font-size: 24px;
  font-weight: 500;
}

.ai_coach_bar span {
  display: inline-flex;
  align-items: center;
  height: 34px;
  padding: 0 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.96);
  color: #1d9ae1;
  font-size: 14px;
  font-weight: 600;
}

.ai_chat_area {
  padding: 25px 34px 25px;
  background: #fbfcff;
}

.ai_chat_row {
  display: flex;
  align-items: flex-end;
  gap: 14px;
}

.ai_chat_row + .ai_chat_bubble.user,
.ai_chat_bubble.user + .ai_chat_row {
  margin-top: 20px;
}

.ai_chat_avatar {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  flex-shrink: 0;
}

.ai_chat_avatar img {
  display: block;
  width: 50px;
  height: 50px;
  object-fit: none;
}

.ai_chat_bubble {
  max-width: fit-content;
  padding: 18px 26px;
  border-radius: 22px;
  color: #424852;
  font-size: 17px;
  line-height: 1.4;
  word-break: keep-all;
}

.ai_chat_bubble.user {
  margin-left: auto;
  border: 1px solid #d0d5dd;
  background: #fff;
}

.ai_chat_bubble.user.small {
  max-width: 340px;
}

.ai_chat_bubble.reply {
  border: 2px solid transparent;
  background:
    linear-gradient(#f3f7ff, #f3f7ff) padding-box,
    linear-gradient(90deg, #11af8b 0%, #256ef4 100%) border-box;
  border-radius: 15px 15px 15px 0px;
  font-weight: 600;
}

.ai_chat_input {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 18px 34px 18px;
  background: #f3f5fa;
}

.ai_chat_input p {
  flex: 1;
  margin: 0;
  padding: 16px 22px;
  border: 1px solid #d9deea;
  border-radius: 999px;
  background: #fff;
  color: #8c919a;
  font-size: 16px;
}

.ai_chat_input button {
  width: 56px;
  height: 56px;
  border: 0;
  border-radius: 50%;
  background: linear-gradient(135deg, #18b29c, #256ef4);
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
}

.ai_zone_curriculum {
  margin-top: 74px;
}

.ai_zone_tabs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  align-items: end;
}

.ai_zone_tabs button {
  padding: 25px 16px;
  border: 0;
  background: transparent;
  color: #585d66;
  font-size: 23px;
  font-weight: 500;
  cursor: pointer;
}

.ai_zone_tabs button.is_active {
  border-radius: 22px 22px 0 0;
  background: linear-gradient(90deg, #18b29c 0%, #256ef4 100%);
  color: #fff;
}

.ai_zone_panel {
  padding: 42px 52px 36px;
border: 2px solid transparent;
  background:
    linear-gradient(#ffffff, #ffffff) padding-box,
    linear-gradient(90deg, #11af8b 0%, #256ef4 100%) border-box;
  border-radius: 0 0 24px 24px;
}

.ai_zone_panel h4 {
  margin: 0;
  color: #1f2328;
  font-size: 23px;
  font-weight: 700;
  line-height: 1.2;
}

.ai_zone_panel > p {
  margin: 5px 0 0;
  color: #6e747d;
  font-size: 20px;
  line-height: 1.55;
}

.ai_zone_panel ul {
  margin: 30px 0 32px;
  padding: 0;
  list-style: none;
}

.ai_zone_panel li {
  position: relative;
  padding: 20px 28px 20px 54px;
  border-radius: 16px;
  background: #eef2fb;
  color: #0B4DA2;
  font-size: 20px;
  font-weight: 500;
  line-height: 1.45;
}

.ai_zone_panel li + li {
  margin-top: 14px;
}

.ai_zone_panel li::before {
  content: "";
  position: absolute;
  left: 28px;
  top: 50%;
  width: 10px;
  height: 10px;
  margin-top: -5px;
  border-radius: 50%;
  background: #0B4DA2;
}

.ai_zone_panel strong {
  display: block;
  color: #222;
  font-size: 20px;
  font-weight: 500;
  text-align: center;
}

.ai_zone_panel strong span {
  color: #0B4DA2;
}

.ai_zone_cta {
  margin-top: 64px;
  text-align: center;
}

.ai_zone_cta a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 400px;
  height: 84px;
  padding: 0 40px;
  border-radius: 5px;
  background: #0B4DA2;
  box-shadow: 0 12px 28px rgba(33, 90, 240, 0.22);
  color: #fff;
  font-size: 23px;
  font-weight: 600;
  text-decoration: none;
}

/* WHY AINEX */
.why_ainex_section {
  background: #fff;
}

.why_ainex_top {
  background:
    url("../common/img/main/main_card_bg.png") no-repeat center top / cover,
    linear-gradient(180deg, #1c83ef 0%, #1877ea 100%);
  padding: 96px 0 0;
}

.why_ainex_inner {
  max-width: 1520px;
  margin: 0 auto;
  padding: 0 40px;
}

.why_ainex_title {
  position: relative;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  text-align: center;
}

.why_ainex_title h3 {
  position: relative;
  z-index: 1;
  margin: 0;
  color: #fff;
  font-size: 50px;
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.04em;
}

.why_ainex_title h3 span {
  font-weight: 800;
}

.why_ainex_cards {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 45px;
  margin-top: 22px;
  transform: translateY(78px);
}

.why_ainex_card {
  position: relative;
  z-index: 2;
  min-height: 320px;
  padding: 52px 46px 38px;
  border-radius: 5px;
  background: #fff;
  box-shadow: 0 10px 10px rgba(28, 58, 138, 0.14), 0 10px 60px rgba(28, 58, 138, 0.12);
}

.why_ainex_card strong {
  display: block;
  color: #3d3d3d;
  font-size: 35px;
  line-height: 1.05;
  font-weight: 700;
  letter-spacing: -0.04em;
}

.why_ainex_card em {
  display: block;
  margin-top: 10px;
  color: #0B4DA2;
  font-size: 20px;
  line-height: 1.25;
  font-style: normal;
  font-weight: 700;
}

.why_ainex_card span {
  display: block;
  width: 40px;
  height: 3px;
  margin: 10px 0;
  border-radius: 999px;
  background: #2f3135;
}

.why_ainex_card p {
  margin: 0;
  color: #757575;
  font-size: 15px;
  line-height: 1.5;
  word-break: keep-all;
}

.why_ainex_bottom {
  padding: 130px 0 96px;
  background: #fff;
}

.why_ainex_badges {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 16px;
}

.why_ainex_badges span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 30px;
  border: 1px solid #d6dceb;
  border-radius: 999px;
  background: #fff;
  color: #0B4DA2;
  font-size: 17px;
  font-weight: 600;
  white-space: nowrap;
}

/* SUPPORT */
.support_section {
  padding: 110px 0 140px;
  background: #fff;
}

.support_inner {
  max-width: 1520px;
  margin: 0 auto;
  padding: 0 40px;
}

.support_layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 24px;
  align-items: start;
}

.support_head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  padding-bottom: 25px;
  border-bottom: 2px solid #2f3135;
}

.support_head h3 {
  margin: 0;
  color: #3a3a3a;
  font-size: 50px;
  line-height: 1;
  font-weight: 700;
  letter-spacing: -0.04em;
}

.support_tabs {
  display: flex;
  align-items: center;
  gap: 36px;
}

.support_tab {
  padding: 0;
  border: 0;
  background: transparent;
  color: #b1b1b1;
  font-size: 30px;
  font-weight: 500;
  cursor: pointer;
}

.support_tab.is_active {
  color: #2f3135;
  font-weight: 700;
}

.support_panel {
  display: none;
}

.support_panel.is_active {
  display: block;
}

.support_item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) 120px;
  align-items: center;
  gap: 18px;
  min-height: 92px;
  border-bottom: 1px solid #dde3ec;
  text-decoration: none;
}

.support_label {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: max-content;
  padding: 5px 10px;
  height: 28px;
  border-radius: 6px;
  background: #e8f1ff;
  color: #5d7ea8;
  font-size: 14px;
  font-weight: 700;
}

.support_item strong {
  color: #1f2328;
  font-size: 20px;
  font-weight: 500;
  line-height: 1.5;
}

.support_item em {
  color: #50555c;
  font-size: 18px;
  font-style: normal;
  text-align: right;
}

.support_side {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top:32px;
}

.support_box {
  max-height: 220px;
  padding: 28px 24px;
  background: #eef2fb;
}

.support_box strong {
  display: block;
  color: #31353c;
  font-size: 24px;
  font-weight: 700;
  line-height: 1.2;
}

.support_box span {
  display: block;
  margin-top: 8px;
  color: #8a93a1;
  font-size: 15px;
  line-height: 1.2;
}
/*  */
.support_box b {
  display: block;
  margin-top: 50px;
  color: #0B4DA2;
  font-size: 35px;
  font-weight: 700;
  line-height: 1;
  text-align: right;
  letter-spacing: -0.04em;
}

.support_box a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 148px;
  height: 48px;
  margin-top: 30px;
  border-radius: 8px;
  background: #0B4DA2;
  color: #fff;
  font-size: 18px;
  font-weight: 600;
  margin-left: 83px;
  text-decoration: none;
}

.main_bottom_banner_section {
  background: #fff;
}

.main_bottom_banner_inner {
  min-height: 300px;
  margin: 0 auto;
  margin-left: calc(50% - 50vw);
  background: #0B4DA2;
  background-size: cover;
}

.main_bottom_banner_frame {
  max-width: 1520px;
  min-height: 300px;
  margin: 0 auto;
  padding: 40px 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
}

.main_bottom_banner_content {
  color: #fff;
}

.main_bottom_banner_content h3 {
  margin: 0;
  font-size: 38px;
  color: #fff;
  line-height: 1.3;
  font-weight: 600;
  letter-spacing: -0.03em;
}

.main_bottom_banner_content p {
  margin: 10px 0 0;
  font-size: 18px;
  line-height: 1.6;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.92);
  letter-spacing: -0.02em;
}

.main_bottom_banner_actions {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 14px;
}

.main_bottom_banner_actions a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 200px;
  height: 54px;
  padding: 0 28px;
  border: 1px solid #fff;
  border-radius: 999px;
  color: #fff;
  font-size: 24px;
  font-weight: 600;
  letter-spacing: -0.03em;
  background: transparent;
  white-space: nowrap;
  text-decoration: none;
}

.main_bottom_banner_actions a:first-child {
  background: #fff;
  color: #1559d6;
}

.main_bottom_banner_actions a.is_line {
  background: transparent;
  color: #fff;
}

@keyframes heroTextIn {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes heroPanelIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes heroCardIn {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes heroWindowFloat {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-6px);
  }
}

@keyframes sectionTitleIn {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .main_visual_text,
  .main_visual_panel,
  .main_visual_window,
  .feedback_card,
  .section_title_motion h3,
  .section_title_motion p {
    animation: none !important;
    opacity: 1;
  }
}



@media (max-width: 1440px) {
  .main_visual_inner {
    padding: 90px 32px 72px;
  }

  .main_visual_text h2 {
    font-size: clamp(40px, 5.2vw, 64px);
  }

  .main_visual_desc {
    font-size: 19px;
  }

  .course_inner {
    padding: 0 32px;
  }

  .ai_zone_inner {
    padding: 0 32px;
  }

  .course_matrix {
    grid-template-columns: repeat(3, 1fr);
  }

  .course_column.large {
    grid-column: span 3;
  }

  .ai_zone_showcase {
    grid-template-columns: 550px minmax(0, 1fr);
  }

  .why_ainex_inner {
    padding: 0 32px;
  }

  .why_ainex_title h3 {
    font-size: 52px;
  }

  .why_ainex_cards {
    gap: 24px;
  }

  .why_ainex_card {
    min-height: 390px;
    padding: 40px 30px 30px;
  }

  .why_ainex_card strong {
    font-size: 48px;
  }

  .why_ainex_card em {
    font-size: 23px;
  }

  .why_ainex_card p {
    font-size: 18px;
  }

  .support_inner {
    padding: 0 32px;
  }

  .support_head h3 {
    font-size: 56px;
  }

  .support_tab {
    font-size: 22px;
  }
}

@media (max-width: 1080px) {
  .main_visual {
    min-height: auto;
  }

  .main_visual_inner {
    min-height: auto;
    padding: 80px 24px 64px;
    flex-direction: column;
    align-items: flex-start;
  }

  .main_visual_text,
  .main_visual_panel {
    width: 100%;
    flex-basis: auto;
  }

  .main_visual_panel {
    padding: 28px 16px 16px;
  }

  .main_visual_text h2 {
    font-size: clamp(38px, 6vw, 56px);
  }

  .main_visual_desc {
    font-size: 19px;
  }

  .course_section {
    padding: 84px 0 90px;
  }

  .course_inner {
    padding: 0 24px;
  }

  .ai_zone_inner {
    padding: 0 24px;
  }

  .course_header h3 {
    font-size: 44px;
  }

  .course_matrix {
    margin-top: 48px;
    grid-template-columns: 1fr 1fr;
  }

  .course_column.small,
  .course_column.large {
    grid-column: span 1;
  }

  .course_cards {
    max-width: none;
    grid-template-columns: 1fr 1fr;
  }

  .course_card:nth-child(3n) {
    border-right: 1px solid #d8dde5;
  }

  .course_card:nth-child(2n) {
    border-right: 0;
  }

  .course_card:nth-last-child(-n+3) {
    border-bottom: 1px solid #d8dde5;
  }

  .course_card:nth-last-child(-n+2) {
    border-bottom: 0;
  }

  .ai_zone_section {
    padding: 8px 0 96px;
  }

  .ai_zone_showcase {
    margin-top: 48px;
    grid-template-columns: 1fr;
  }

  .ai_feature_card {
    min-height: auto;
  }

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

  .ai_zone_panel {
    padding: 36px 28px 30px;
  }

  .ai_zone_panel h4 {
    font-size: 34px;
  }

  .ai_zone_panel li {
    font-size: 18px;
  }

  .why_ainex_top {
    padding-top: 84px;
  }

  .why_ainex_inner {
    padding: 0 24px;
  }

  .why_ainex_title {
    min-height: 132px;
  }

  .why_ainex_title h3 {
    font-size: 42px;
  }

  .why_ainex_cards {
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    transform: translateY(54px);
  }

  .why_ainex_card {
    min-height: 300px;
  }

  .why_ainex_bottom {
    padding: 92px 0 80px;
  }

  .support_section {
    padding: 88px 0 100px;
  }

  .support_inner {
    padding: 0 24px;
  }

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

  .support_head {
    align-items: flex-start;
    flex-direction: column;
  }

  .support_head h3 {
    font-size: 52px;
  }

  .support_side {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .support_box {
    min-height: 180px;
  }

  .support_box b {
    margin-top: 34px;
    font-size: 40px;
  }
}

@media (max-width: 767px) {
  .main_visual_inner {
    padding: 64px 16px 48px;
    gap: 32px;
  }

  .main_visual_text h2 {
    font-size: clamp(36px, 9vw, 46px);
  }

  .main_visual_desc {
    margin-top: 18px;
    font-size: 19px;
    line-height: 1.5;
  }

  .window_bar {
    padding: 14px 16px;
  }

  .window_titlebar {
    margin-bottom: 10px;
  }

  .window_titlebar_app strong {
    font-size: 16px;
  }

  .window_titlebar_actions button {
    width: 34px;
    height: 30px;
  }

  .window_browser {
    padding-right: 0;
  }

  .window_bar p {
    font-size: 14px;
  }

  .window_browser_address {
    height: 34px;
    padding: 0 12px;
    border-radius: 8px;
  }

  .window_browser_actions {
    gap: 6px;
    font-size: 13px;
  }

  .window_browser_label {
    font-size: 12px;
  }

  .window_body {
    padding: 22px 16px 24px;
  }

  .window_heading {
    align-items: flex-start;
    flex-direction: column;
    margin-bottom: 16px;
  }

  .window_heading h3 {
    font-size: 22px;
  }

  .feedback_card {
    padding: 14px 14px 14px 34px;
    border-radius: 12px;
  }

  .feedback_card::before {
    left: 14px;
    top: 19px;
    width: 8px;
    height: 8px;
  }

  .feedback_card strong {
    font-size: 14px;
  }

  .feedback_card p {
    font-size: 15px;
  }

  .course_section {
    padding: 64px 0 72px;
  }

  .course_inner {
    padding: 0 16px;
  }

  .ai_zone_inner {
    padding: 0 16px;
  }

  .course_header h3 {
    font-size: 34px;
  }

  .course_header p {
    margin-top: 14px;
    font-size: 14px;
  }

  .course_matrix {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .course_column_head {
    min-height: 62px;
    font-size: 20px;
  }

  .course_column ul li {
    min-height: 42px;
    font-size: 15px;
  }

  .course_cards {
    margin-top: 36px;
    grid-template-columns: 1fr;
  }

  .course_card {
    min-height: auto;
    padding: 24px 20px;
    border-right: 0;
  }

  .course_card:nth-child(2n) {
    border-right: 0;
  }

  .course_card:nth-last-child(-n+2) {
    border-bottom: 1px solid #d8dde5;
  }

  .course_card:last-child {
    border-bottom: 0;
  }

  .course_card strong {
    margin-bottom: 12px;
    font-size: 21px;
  }

  .course_card p {
    font-size: 16px;
    line-height: 1.7;
  }

  .ai_zone_section {
    padding: 0 0 72px;
  }

  .ai_zone_badge {
    min-width: 92px;
    height: 40px;
    margin-bottom: 20px;
    font-size: 15px;
  }

  .ai_zone_showcase {
    margin-top: 34px;
    gap: 20px;
  }

  .ai_feature_list {
    gap: 14px;
  }

  .ai_feature_card {
    padding: 18px 16px;
    border-radius: 16px;
  }

  .ai_feature_icon {
    width: 52px;
    height: 52px;
    border-radius: 12px;
    font-size: 16px;
  }

  .ai_feature_text strong {
    font-size: 18px;
  }

  .ai_feature_text p {
    font-size: 14px;
  }

  .ai_coach_bar {
    flex-direction: column;
    align-items: flex-start;
    padding: 18px 18px 16px;
  }

  .ai_coach_bar h4 {
    font-size: 20px;
  }

  .ai_coach_bar span {
    height: 30px;
    padding: 0 12px;
    font-size: 12px;
  }

  .ai_chat_area {
    padding: 20px 16px 14px;
  }

  .ai_chat_bubble {
    max-width: 100%;
    padding: 14px 16px;
    font-size: 14px;
    line-height: 1.6;
  }

  .ai_chat_bubble.user.small {
    max-width: 100%;
  }

  .ai_chat_input {
    padding: 14px 16px 18px;
    gap: 10px;
  }

  .ai_chat_input p {
    padding: 12px 14px;
    font-size: 13px;
  }

  .ai_chat_input button {
    width: 48px;
    height: 48px;
    font-size: 13px;
  }

  .ai_zone_curriculum {
    margin-top: 44px;
  }

  .ai_zone_tabs {
    gap: 10px;
    grid-template-columns: 1fr 1fr;
  }

  .ai_zone_tabs button {
    padding: 14px 12px 16px;
    font-size: 16px;
  }

  .ai_zone_panel {
    padding: 24px 18px 22px;
    border-radius: 0 0 18px 18px;
  }

  .ai_zone_panel h4 {
    font-size: 24px;
  }

  .ai_zone_panel > p {
    font-size: 15px;
  }

  .ai_zone_panel ul {
    margin: 20px 0 22px;
  }

  .ai_zone_panel li {
    padding: 15px 16px 15px 38px;
    font-size: 15px;
    border-radius: 12px;
  }

  .ai_zone_panel li::before {
    left: 16px;
    width: 8px;
    height: 8px;
    margin-top: -4px;
  }

  .ai_zone_panel strong {
    font-size: 18px;
  }

  .ai_zone_cta {
    margin-top: 36px;
  }

  .ai_zone_cta a {
    min-width: 100%;
    height: 62px;
    font-size: 20px;
  }

  .why_ainex_top {
    padding-top: 64px;
  }

  .why_ainex_inner {
    padding: 0 16px;
  }

  .why_ainex_title {
    min-height: 92px;
    padding-top: 8px;
  }

  .why_ainex_title h3 {
    font-size: 28px;
  }

  .why_ainex_cards {
    grid-template-columns: 1fr;
    gap: 16px;
    margin-top: 10px;
    transform: translateY(34px);
  }

  .why_ainex_card {
    min-height: auto;
    padding: 28px 22px 24px;
    border-radius: 8px;
  }

  .why_ainex_card strong {
    font-size: 40px;
  }

  .why_ainex_card em {
    margin-top: 10px;
    font-size: 21px;
  }

  .why_ainex_card span {
    width: 36px;
    height: 4px;
    margin: 14px 0 16px;
  }

  .why_ainex_card p {
    font-size: 16px;
  }

  .why_ainex_bottom {
    padding: 58px 0 64px;
  }

  .why_ainex_badges {
    gap: 10px;
  }

  .why_ainex_badges span {
    min-height: 46px;
    padding: 0 18px;
    font-size: 14px;
    white-space: normal;
    text-align: center;
  }

  .support_section {
    padding: 64px 0 72px;
  }

  .support_inner {
    padding: 0 16px;
  }

  .support_head {
    gap: 16px;
    padding-bottom: 14px;
  }

  .support_head h3 {
    font-size: 40px;
  }

  .support_tabs {
    gap: 22px;
  }

  .support_tab {
    font-size: 18px;
  }

  .support_item {
    grid-template-columns: 48px minmax(0, 1fr);
    gap: 12px;
    padding: 14px 0;
  }

  .support_item em {
    grid-column: 2;
    text-align: left;
    font-size: 14px;
  }

  .support_label {
    width: 42px;
    height: 24px;
    font-size: 12px;
  }

  .support_item strong {
    font-size: 15px;
  }

  .support_side {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .support_box {
    min-height: auto;
    padding: 22px 18px;
  }

  .support_box strong {
    font-size: 20px;
  }

  .support_box b {
    margin-top: 24px;
    font-size: 34px;
  }

  .support_box a {
    min-width: 132px;
    height: 42px;
    margin-top: 20px;
    font-size: 15px;
  }
}

.why_ainex_top {
  position: relative;
  padding: 120px 0 178px;
}

.why_ainex_inner {
  position: relative;
}

.why_ainex_cards {
  position: absolute;
  left: 40px;
  right: 40px;
  top:150px;
  margin-top: 0;
  transform: none;
}

.why_ainex_bottom {
  padding: 300px 0 96px;
}



@media (max-width: 1440px) {
  .why_ainex_top {
    padding: 88px 0 154px;
  }

  .why_ainex_cards {
    left: 32px;
    right: 32px;
    bottom: -66px;
  }

  .why_ainex_bottom {
    padding: 154px 0 88px;
  }
}

@media (max-width: 1080px) {
  .why_ainex_top {
    padding: 84px 0 0;
  }

  .why_ainex_cards {
    position: relative;
    left: auto;
    right: auto;
    bottom: auto;
    margin-top: 24px;
  }

  .why_ainex_bottom {
    padding: 92px 0 80px;
  }
}

@media (max-width: 767px) {
  .why_ainex_top {
    padding: 64px 0 0;
  }

  .why_ainex_cards {
    margin-top: 10px;
  }

  .why_ainex_bottom {
    padding: 58px 0 64px;
  }

  .main_bottom_banner_section {
    padding: 0 0 72px;
  }

  .main_bottom_banner_inner {
    min-height: 0;
    margin: 0;
  }

  .main_bottom_banner_frame {
    min-height: 0;
    padding: 28px 20px;
    flex-direction: column;
    align-items: flex-start;
    gap: 24px;
  }

  .main_bottom_banner_content h3 {
    font-size: 28px;
  }

  .main_bottom_banner_content p {
    margin-top: 12px;
    font-size: 15px;
  }

  .main_bottom_banner_actions {
    width: 100%;
    flex-direction: column;
    align-items: stretch;
  }

  .main_bottom_banner_actions a {
    width: 100%;
    min-width: 0;
    height: 50px;
    font-size: 18px;
  }
}


/* Main page interactions moved from /hrdedu/main/main.html on 2026-04-20. */
        .main_visual_window,
        .feedback_card,
        .course_column ul li,
        .course_card,
        .course_arrow,
        .ai_feature_card,
        .ai_feature_icon,
        .ai_zone_tabs button,
        .ai_zone_panel,
        .ai_chat_input button,
        .ai_zone_cta a,
        .why_ainex_card,
        .why_ainex_badges span,
        .support_tab,
        .support_item,
        .support_label,
        .support_box,
        .support_box a,
        .main_bottom_banner_actions a {
            transition: transform 0.28s ease, box-shadow 0.28s ease, border-color 0.28s ease, background-color 0.28s ease, color 0.28s ease, opacity 0.28s ease;
        }

        .course_card,
        .ai_feature_card,
        .support_item,
        .support_box,
        .why_ainex_card,
        .main_bottom_banner_actions a,
        .ai_zone_cta a,
        .ai_zone_tabs button,
        .support_tab,
        .ai_chat_input button {
            position: relative;
        }

        .ai_zone_cta a {
            overflow: hidden;
            isolation: isolate;
        }

        .ai_zone_cta a::before {
            content: "";
            position: absolute;
            inset: -2px;
            border-radius: inherit;
            background: linear-gradient(120deg, rgba(24, 178, 156, 0.18) 0%, rgba(37, 110, 244, 0.32) 55%, rgba(24, 178, 156, 0.18) 100%);
            opacity: 0;
            transform: scale(0.96);
            transition: opacity 0.35s ease, transform 0.35s ease;
            z-index: -1;
        }

        .ai_zone_cta a::after {
            content: "";
            position: absolute;
            top: -20%;
            left: -32%;
            width: 34%;
            height: 140%;
            background: linear-gradient(90deg, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 0.72) 50%, rgba(255, 255, 255, 0) 100%);
            transform: skewX(-24deg);
            opacity: 0;
            pointer-events: none;
        }

        .ai_zone_tabs button,
        .support_tab {
            background-color: transparent;
            background-image: none;
            -webkit-text-fill-color: currentColor;
        }

        .support_tab {
            transition: transform 0.28s ease, opacity 0.28s ease;
        }

        .course_matrix_link {
            display: inline-flex;
            align-items: center;
            min-height: 24px;
            padding: 0;
            border: 0;
            background: transparent;
            color: inherit;
            font: inherit;
            text-align: left;
            cursor: pointer;
        }

        @media (hover: hover) {
            .main_visual_panel:hover .main_visual_window {
                transform: translateY(-8px);
                box-shadow: 0 38px 78px rgba(8, 23, 94, 0.34);
            }

            .main_visual_panel:hover .feedback_card {
                transform: translateX(6px);
            }

            .course_column ul li:hover,
            .course_column ul li:hover .course_matrix_link {
                color: #0B4DA2;
            }

            .course_card:hover {
                z-index: 1;
                transform: none;
                box-shadow: inset 0 0 0 1px rgba(15, 23, 42, 0.08);
            }

            .course_card:hover .course_arrow {
                transform: none;
                opacity: 1;
            }

            .course_card.accent_blue:hover {
                background: #edf4ff;
            }

            .course_card.accent_blue:hover p {
                color: #2f5ea9;
            }

            .course_card.accent_green:hover {
                background: #edf9f3;
            }

            .course_card.accent_green:hover p {
                color: #257652;
            }

            .course_card.accent_red:hover {
                background: #fff1f0;
            }

            .course_card.accent_red:hover p {
                color: #b13a35;
            }

            .course_card.accent_teal:hover {
                background: #eef9fc;
            }

            .course_card.accent_teal:hover p {
                color: #2b7897;
            }

            .course_card:hover .course_arrow {
                filter: brightness(0.72);
            }

            .ai_feature_card:hover:not(.is_active) {
                transform: translateY(-6px);
                border-color: #5f95ff;
                background: #f4f8ff;
            }

            .ai_feature_card:hover:not(.is_active) .ai_feature_icon {
                background: #8eb2ff;
            }

            .ai_zone_tabs button:hover:not(.is_active) {
                transform: translateY(-2px);
                background-image: linear-gradient(90deg, #18b29c 0%, #256ef4 100%);
                background-color: transparent;
                background-repeat: no-repeat;
                background-size: 100% 100%;
                -webkit-background-clip: text;
                background-clip: text;
                -webkit-text-fill-color: transparent;
                color: transparent;
            }

            .support_tab:hover:not(.is_active) {
                color: #0B4DA2;
                background-image: none;
            }

            .ai_chat_input button:hover,
            .support_box a:hover,
            .main_bottom_banner_actions a:hover {
                transform: translateY(-3px);
            }

            .ai_zone_cta a:hover {
                transform: translateY(-4px) scale(1.02);
                background: linear-gradient(90deg, #18b29c 0%, #256ef4 100%);
                color: #fff;
            }

            .ai_zone_cta a:hover::before {
                opacity: 1;
                transform: scale(1);
            }

          

            .why_ainex_card:hover {
                transform: translateY(-8px);
                box-shadow: 0 22px 44px rgba(18, 32, 88, 0.12);
            }

            .why_ainex_badges span:hover {
                transform: translateY(-3px);
            }

            .support_item:hover strong {
                color: #256ef4;
            }

            .support_item:hover .support_label {
                background: #d6e8ff;
                color: #2f5ea9;
            }
        }

        .course_card:focus-visible,
        .ai_feature_card:focus-visible,
        .ai_zone_tabs button:focus-visible,
        .support_tab:focus-visible,
        .support_item:focus-visible,
        .ai_zone_cta a:focus-visible,
        .support_box a:focus-visible,
        .main_bottom_banner_actions a:focus-visible,
        .ai_chat_input button:focus-visible {
            outline: 2px solid #256ef4;
            outline-offset: 3px;
        }

        @keyframes aiCtaSweep {
            0% {
                left: -32%;
            }
            100% {
                left: 118%;
            }
        }

        .main_visual_typing {
            position: relative;
            display: inline-block;
        }

        .main_visual_typing .typing_measure {
            visibility: hidden;
            pointer-events: none;
        }

        .main_visual_typing .typing_text {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
        }

        .main_visual_typing .typing_line {
            display: inline-block;
            min-height: 1.2em;
            font-weight: 700;
            color: #ffff;
        }

        .main_visual_typing .typing_source {
            position: absolute;
            top: 0;
            left: 0;
            opacity: 0;
            pointer-events: none;
            white-space: pre-wrap;
        }

        .main_visual_typing .typing_line span {
            color: inherit;
        }

        .main_visual_typing .typing_accent,
        .main_visual_typing .typing_line .typing_accent {
            color: #ffcb52;
        }

        .main_visual_text {
            animation: none;
        }

        .main_visual_window {
            animation: none;
        }

/* === 메인 페이지 전체 폰트 사이즈 축소 (override) === */
/* 메인 비주얼 */
.main_visual_text h2 { font-size: clamp(36px, 4.3vw, 56px); }
.main_visual_desc { font-size: 22px; }

/* 섹션 헤더 (course / ai_zone / why_ainex / support 공통 .course_header / 단독 헤더) — 유지 */
.course_header h3,
.section_title_motion h3 { font-size: 40px; }
.course_header p { font-size: 18px; }

/* 교육과정 매트릭스 & 카드 */
.course_column_head { font-size: 22px; }
.course_column ul li { font-size: 16px; }
.course_card strong { font-size: 22px; }
.course_card p { font-size: 16px; }

/* AI ZONE */
.ai_zone_badge { font-size: 16px; }
.ai_feature_text strong { font-size: 19px; }
.ai_feature_text p { font-size: 15px; }
.ai_coach_bar h4 { font-size: 22px; }
.ai_coach_bar span { font-size: 14px; }
.ai_chat_bubble { font-size: 15px; }
.ai_chat_input p { font-size: 15px; }
.ai_chat_input button { font-size: 15px; }
.ai_zone_tabs button { font-size: 21px; }
.ai_zone_panel h4 { font-size: 21px; }
.ai_zone_panel > p { font-size: 18px; }
.ai_zone_panel li { font-size: 18px; }
.ai_zone_panel strong { font-size: 18px; }
.ai_zone_cta a { font-size: 21px; }

/* WHY AINEX */
.why_ainex_title h3 { font-size: 40px; }
.why_ainex_card strong { font-size: 32px; }
.why_ainex_card em { font-size: 19px; }
.why_ainex_card p { font-size: 14px; }
.why_ainex_badges span { font-size: 16px; }

/* Support */
.support_head h3 { font-size: 40px; }
.support_tab { font-size: 26px; }
.support_label { font-size: 13px; }
.support_item strong { font-size: 18px; }
.support_item em { font-size: 16px; }
.support_box strong { font-size: 22px; }
.support_box span { font-size: 14px; }
.support_box b { font-size: 32px; }
.support_box a { font-size: 16px; }

/* 하단 띠배너 (h3는 섹션헤더로 간주해 유지) */
.main_bottom_banner_content h3 { font-size: 32px; }
.main_bottom_banner_content p { font-size: 17px; }
.main_bottom_banner_actions a { font-size: 22px; }

/* 윈도우 카드(메인 비주얼 패널 내부) */
.window_titlebar_app strong { font-size: 16px; }
.window_bar p { font-size: 16px; }
.window_heading h3 { font-size: 21px; }
.window_heading span { font-size: 13px; }
.feedback_card strong { font-size: 13px; }
.feedback_card p { font-size: 14px; }

/* 반응형 보정 — 1200px 이하 */
@media (max-width: 1200px) {
  .course_header h3,
  .section_title_motion h3,
  .why_ainex_title h3,
  .support_head h3 { font-size: 34px; }
  .support_tab { font-size: 22px; }
  .main_bottom_banner_content h3 { font-size: 27px; }
  .ai_zone_tabs button { font-size: 18px; }
}

/* 반응형 보정 — 900px 이하 */
@media (max-width: 900px) {
  .main_visual_text h2 { font-size: clamp(30px, 6vw, 42px); }
  .main_visual_desc { font-size: 17px; }
  .course_header h3,
  .section_title_motion h3,
  .why_ainex_title h3,
  .support_head h3 { font-size: 30px; }
  .course_header p { font-size: 15px; }
  .course_column_head { font-size: 18px; }
  .course_card strong { font-size: 19px; }
  .ai_zone_tabs button { font-size: 15px; }
  .support_tab { font-size: 18px; }
  .main_bottom_banner_content h3 { font-size: 23px; }
  .main_bottom_banner_actions a { font-size: 17px; }
}