/* =====================================================================
   main.html
   ===================================================================== */
 
  :root {
    --navy-900: #0d2452;
    --navy-800: #14306a;
    --navy-700: #1a3a5f;
    --navy-600: #1e3a5f;
    --navy-500: #2a4d7a;

    --orange-500: #f26b1e;
    --orange-600: #e85d14;
    --orange-100: #fff1e6;

    --red-500: #e74c3c;
    --blue-500: #2b7bd6;

    --gray-900: #1a1d29;
    --gray-800: #2c2e3a;
    --gray-700: #444441;
    --gray-600: #6b7280;
    --gray-500: #9ca3af;
    --gray-400: #c5c8d0;
    --gray-300: #e5e7eb;
    --gray-200: #eef0f4;
    --gray-100: #f5f6f9;
    --gray-50:  #fafbfc;
    --white:    #ffffff;

    --badge-clinic-bg: #eef3fb;
    --badge-clinic-tx: #2c5da0;
    --badge-basic-bg: #f0f1f6;
    --badge-basic-tx: #4a5475;
    --badge-license-bg: #fff4e6;
    --badge-license-tx: #9a5b1f;
    --badge-deep-bg: #fde9ec;
    --badge-deep-tx: #a83a47;
    --badge-mfg-bg: #e8f3ee;
    --badge-mfg-tx: #2f6b4a;
    --badge-pro-bg: #ecedfa;
    --badge-pro-tx: #41468c;

    --shadow-sm: 0 1px 2px rgba(15,30,60,0.05);
    --shadow-md: 0 4px 14px rgba(15,30,60,0.08);
    --shadow-lg: 0 12px 30px rgba(15,30,60,0.12);

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    --container: 1280px;
  }


  html, body { margin: 0; padding: 0; }

  .lms_main, .lms_main *, .lms_main *::before, .lms_main *::after { box-sizing: border-box; }

  .lms_main {
    font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, system-ui, Roboto, sans-serif;
    color: var(--gray-700);
    background: var(--white);
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
    font-size: 15px;
  }
  .lms_main a { color: inherit; text-decoration: none; }
  .lms_main button { font-family: inherit; cursor: pointer; border: none; background: transparent; }
  .lms_main img { max-width: 100%; display: block; }
  .lms_main ul { list-style: none; padding: 0; margin: 0; }

  .lms_main .container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
  }

  /* ============================
     Hero
     ============================ */
  .main_hp_wrap .visual {
    border-radius: 24px; margin: 10px auto 0; padding: 135px 0 114px; position: relative; overflow: hidden; height: 825px;
    max-width: 1615px; background: var(--navy-900);
  }
  .main_hp_wrap .main_visual_slider { position: absolute; inset: 0; z-index: 0; }

  .main_hp_wrap .main_visual_slide {
    position: absolute; inset: 0; opacity: 0; visibility: hidden; background-image: var(--pc-bg);
    background-repeat: no-repeat; background-position: center center; background-size: cover; transition: opacity .6s ease, visibility .6s ease;
  }
  .main_hp_wrap .main_visual_slide.is-active { opacity: 1; visibility: visible; }

  .main_hp_wrap .main_visual_link {
    position: absolute; inset: 0; z-index: 1; display: block; text-indent: -9999px;
    overflow: hidden;
  }

  .main_hp_wrap .visual_inner { position: relative; z-index: 3; }

  .main_hp_wrap .main_visual_btn {
    position: absolute; top: 50%; z-index: 4; width: 48px; height: 48px;
    border-radius: 50%; background: rgba(13,36,82,.48); color: var(--white); transform: translateY(-50%); transition: background .2s;
  }

  .main_hp_wrap .main_visual_btn:hover { background: rgba(13,36,82,.72); }

  .main_hp_wrap .main_visual_btn,
  .main_hp_wrap .main_visual_dots {
    z-index: 4;
  }

  .main_hp_wrap .main_visual_prev { left: 32px; }

  .main_hp_wrap .main_visual_next { right: 32px; }

  .main_hp_wrap .main_visual_dots {
    position: absolute; left: 50%; bottom: 92px; z-index: 4; display: flex;
    flex-wrap: wrap; justify-content: center; gap: 8px; max-width: calc(100% - 48px); transform: translateX(-50%);
  }

  .main_hp_wrap .main_visual_dots button {
    width: 9px; height: 9px; flex: 0 0 auto; border-radius: 50%; background: rgba(255,255,255,.55);
    transition: width .2s, border-radius .2s, background .2s;
  }

  .main_hp_wrap .main_visual_dots button.is-active { width: 28px; border-radius: 999px; background: var(--orange-500); }
  /* .main_hp_wrap .visual::before {
    content: '';
    position: absolute;
    inset: 0;
    pointer-events: none;
  } */
  .main_hp_wrap .visual_inner {
    position: relative;
    z-index: 1;
    padding-top: 460px;
    padding-bottom: 20px;
  }
  .main_hp_wrap .visual_eyebrow {
    font-size: 13px;
    letter-spacing: 0.25em;
    color: rgba(255,255,255,0.7);
    font-weight: 600;
    margin: 0 0 24px;
  }
  .main_hp_wrap .visual_title {
    font-size: clamp(32px, 5vw, 56px);
    font-weight: 800;
    color: var(--white);
    line-height: 1.3;
    margin: 0 0 60px;
    letter-spacing: -0.03em;
  }
  .main_hp_wrap .visual_title .accent {
    color: var(--orange-500);
    display: block;
  }
  .main_hp_wrap .visual_search {
    max-width: 720px;
    background: rgba(13,36,82,0.5);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255,255,255,0.18);
    border-radius: 16px;
    padding: 14px 16px 14px 24px;
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
  }
  .main_hp_wrap .visual_search .s_tit {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--white);
    font-size: 14px;
    font-weight: 700;
    letter-spacing: -0.01em;
    flex-shrink: 0;
  }
  .main_hp_wrap .visual_search .s_tit i {
    font-size: 14px;
    color: var(--orange-500);
  }
  .main_hp_wrap .visual_search .sel_group_w {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 8px;
    min-width: 0;
  }
  .main_hp_wrap .visual_search .sel_group {
    flex: 0 1 220px;
    position: relative;
  }
  .main_hp_wrap .visual_search .sel_group::after {
    content: '\f078';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: rgba(255,255,255,0.7);
    font-size: 11px;
    pointer-events: none;
  }
  .main_hp_wrap .visual_search select {
    width: 100%;
    height: 44px;
    padding: 0 32px 0 14px;
    border-radius: 10px;
    border: 1px solid rgba(255,255,255,0.2);
    background: rgba(255,255,255,0.08);
    color: var(--white);
    font-size: 14px;
    font-family: inherit;
    appearance: none;
    -webkit-appearance: none;
    outline: none;
    cursor: pointer;
    text-overflow: ellipsis;
  }
  .main_hp_wrap .visual_search select option {
    background: var(--navy-700);
    color: var(--white);
  }
  .main_hp_wrap .visual_search select:focus {
    border-color: rgba(255,255,255,0.45);
  }
  .main_hp_wrap .visual_search .search_box {
    position: relative;
    flex: 1;
    min-width: 0;
    display: flex;
    align-items: center;
  }
  .main_hp_wrap .visual_search .search_box input[type="text"] {
    width: 100%;
    height: 44px;
    padding: 0 56px 0 14px;
    border-radius: 10px;
    border: 1px solid rgba(255,255,255,0.2);
    background: rgba(255,255,255,0.08);
    color: var(--white);
    font-size: 14px;
    font-family: inherit;
    outline: none;
  }
  .main_hp_wrap .visual_search .search_box input::placeholder { color: rgba(255,255,255,0.55); }
  .main_hp_wrap .visual_search .search_box input:focus {
    border-color: rgba(255,255,255,0.45);
    box-shadow: 0 0 0 3px rgba(242,107,30,0.18);
  }
  .main_hp_wrap .visual_search .search_box a {
    position: absolute;
    right: 6px;
    top: 50%;
    transform: translateY(-50%);
    width: 36px;
    height: 36px;
    border-radius: 8px;
    background: var(--orange-500);
    color: var(--white);
    font-size: 14px;
    display: flex; align-items: center; justify-content: center;
    text-decoration: none;
    transition: background .2s;
  }
  .main_hp_wrap .visual_search .search_box a:hover { background: var(--orange-600); }

  /* ============================
     Quick Menu Card
     ============================ */
  .main_hp_wrap .main_quick_w {
    margin-top: -36px;
    position: relative;
    z-index: 5;
  }
  .main_hp_wrap .main_quick {
    background: var(--white);
    border-radius: 18px;
    box-shadow: var(--shadow-lg);
    padding: 22px 28px;
    display: flex;
    align-items: center;
    gap: 32px;
    flex-wrap: wrap;
  }
  .main_hp_wrap .main_quick_profile {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding-right: 24px;
    border-right: 1px solid var(--gray-200);
  }
  .main_hp_wrap .main_quick_label {
    font-size: 11px;
    letter-spacing: 0.18em;
    color: var(--gray-500);
    font-weight: 700;
  }
  .main_hp_wrap .main_quick_name {
    font-size: 17px;
    font-weight: 800;
    color: var(--navy-700);
    letter-spacing: -0.02em;
  }
  .main_hp_wrap .main_quick_list {
    display: flex;
    gap: 28px;
    flex: 1;
    flex-wrap: wrap;
  }
  .main_hp_wrap .main_quick_item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-700);
    transition: color .2s;
  }
  .main_hp_wrap .main_quick_item:hover { color: var(--orange-500); }
  .main_hp_wrap .quick_img {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: var(--gray-100);
    color: var(--navy-700);
    display: flex; align-items: center; justify-content: center;
    font-size: 16px;
    transition: background .2s, color .2s;
  }
  .main_hp_wrap .main_quick_item:hover .quick_img { background: var(--orange-100); color: var(--orange-500); }
  .main_hp_wrap .main_quick_cta {
    margin-left: auto;
    background: var(--orange-500);
    color: var(--white);
    font-size: 14px;
    font-weight: 700;
    padding: 14px 22px;
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: background .2s, transform .15s;
  }
  .main_hp_wrap .main_quick_cta:hover { background: var(--orange-600); }
  .main_hp_wrap .main_quick_cta:active { transform: scale(.98); }

  /* ============================
     Sections
     ============================ */
  .main_hp_wrap section { padding: 56px 0; }
  .main_hp_wrap .section_head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    margin-bottom: 28px;
    gap: 16px;
    flex-wrap: wrap;
  }
  .main_hp_wrap .banner_title {
    font-size: 26px;
    font-weight: 800;
    color: var(--gray-900);
    margin: 0 0 6px;
    letter-spacing: -0.025em;
  }
  .main_hp_wrap .banner_subtitle {
    font-size: 14px;
    color: var(--gray-600);
    margin: 0;
  }
  .main_hp_wrap .section_more {
    font-size: 14px;
    font-weight: 700;
    color: var(--orange-500);
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: gap .2s;
  }
  .main_hp_wrap .section_more:hover { gap: 8px; }

  /* ============================
     Popular Courses
     ============================ */
  .main_hp_wrap .lecture_con {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }
  .main_hp_wrap .lec_item {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform .25s ease, box-shadow .25s ease, border-color .25s;
  }
  .main_hp_wrap .lec_item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
  }
  .main_hp_wrap .lec_thumb {
    position: relative;
    aspect-ratio: 16 / 10;
    overflow: hidden;
  }
  .main_hp_wrap .lec_thumb img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform .5s ease;
  }
  .main_hp_wrap .lec_item:hover .lec_thumb img { transform: scale(1.05); }
  .main_hp_wrap .lecs_new {
    position: absolute;
    top: 14px; left: 14px;
    background: var(--orange-500);
    color: var(--white);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.08em;
    padding: 6px 10px;
    border-radius: 6px;
  }
  .main_hp_wrap .comm_txt_w {
    padding: 20px 22px 22px;
    display: flex;
    flex-direction: column;
    flex: 1;
  }
  .main_hp_wrap .lec_tags {
    display: flex;
    gap: 6px;
    margin-bottom: 12px;
    flex-wrap: wrap;
  }
  .main_hp_wrap .lec_tag {
    font-size: 11px;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 4px;
    letter-spacing: 0.02em;
  }
  .main_hp_wrap .lec_tag_clinic { background: var(--badge-clinic-bg);  color: var(--badge-clinic-tx); }
  .main_hp_wrap .lec_tag_basic { background: var(--badge-basic-bg);   color: var(--badge-basic-tx); }
  .main_hp_wrap .lec_tag_license { background: var(--badge-license-bg); color: var(--badge-license-tx); }
  .main_hp_wrap .lec_tag_deep { background: var(--badge-deep-bg);    color: var(--badge-deep-tx); }
  .main_hp_wrap .lec_tag_mfg { background: var(--badge-mfg-bg);     color: var(--badge-mfg-tx); }
  .main_hp_wrap .lec_tag_pro { background: var(--badge-pro-bg);     color: var(--badge-pro-tx); }

  .main_hp_wrap .swiper_title {
    font-size: 17px;
    font-weight: 700;
    color: var(--gray-900);
    line-height: 1.4;
    margin: 0 0 10px;
    letter-spacing: -0.02em;
    /* clamp 2 lines */
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 48px;
  }
  .main_hp_wrap .swiper_txt02 {
    font-size: 13px;
    color: var(--gray-600);
    line-height: 1.55;
    margin: 0 0 22px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 40px;
  }
  .main_hp_wrap .lec_info {
    margin-top: auto;
    padding-top: 16px;
    border-top: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
  }
  .main_hp_wrap .lec_instructor {
    display: flex; align-items: center; gap: 8px;
    font-size: 13px;
    color: var(--gray-700);
    font-weight: 500;
  }
  .main_hp_wrap .lec_instructor_avatar {
    width: 28px; height: 28px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--gray-200), var(--gray-300));
  }
  .main_hp_wrap .lec_price {
    font-size: 17px;
    font-weight: 800;
    color: var(--orange-500);
    letter-spacing: -0.01em;
  }

  /* ============================
     Calendar + Notice
     ============================ */
  .main_hp_wrap .bottom_grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
  .main_hp_wrap .calendar01_w {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 24px;
  }
  .main_hp_wrap .cal_head {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 18px;
  }
  .main_hp_wrap .cal_head_title {
    font-size: 20px;
    font-weight: 800;
    color: var(--gray-900);
    letter-spacing: -0.02em;
  }
  .main_hp_wrap .cal_nav {
    display: flex; align-items: center; gap: 14px;
    font-size: 14px;
    font-weight: 700;
    color: var(--gray-800);
  }
  .main_hp_wrap .cal_nav button {
    width: 28px; height: 28px;
    border-radius: 6px;
    color: var(--gray-700);
    display: flex; align-items: center; justify-content: center;
    transition: background .2s;
  }
  .main_hp_wrap .cal_nav button:hover { background: var(--gray-100); }
  /* ============================
     FullCalendar 커스터마이징
     ============================ */
  .main_hp_wrap #calendar_fc {
    font-family: 'Pretendard', sans-serif;
  }
  /* 자체 툴바는 숨기고 외부 .cal_head 사용 */
  .main_hp_wrap #calendar_fc .fc-header-toolbar { display: none !important; }

  /* 외곽선/배경 제거 */
  .main_hp_wrap #calendar_fc .fc-theme-standard td,
  .main_hp_wrap #calendar_fc .fc-theme-standard th,
  .main_hp_wrap #calendar_fc .fc-theme-standard .fc-scrollgrid,
  .main_hp_wrap #calendar_fc .fc-scrollgrid-section > * {
    border: none !important;
    background: transparent !important;
  }

  /* 요일 헤더 */
  .main_hp_wrap #calendar_fc .fc-col-header-cell { padding: 4px 0 !important; }
  .main_hp_wrap #calendar_fc .fc-col-header-cell-cushion {
    font-size: 11px;
    font-weight: 600;
    color: var(--gray-500);
    text-decoration: none !important;
    padding: 6px 0 !important;
  }
  .main_hp_wrap #calendar_fc .fc-day-sun .fc-col-header-cell-cushion { color: var(--red-500); }
  .main_hp_wrap #calendar_fc .fc-day-sat .fc-col-header-cell-cushion { color: var(--blue-500); }

  /* 날짜 셀 */
  .main_hp_wrap #calendar_fc .fc-daygrid-day-frame {
    min-height: 44px !important;
    padding: 2px 0 !important;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
  }
  .main_hp_wrap #calendar_fc .fc-daygrid-day-top {
    flex-direction: row;
    justify-content: center;
    width: 100%;
  }
  .main_hp_wrap #calendar_fc .fc-daygrid-day-number {
    font-size: 13px;
    font-weight: 600;
    color: var(--gray-800);
    text-decoration: none !important;
    width: 32px;
    height: 32px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    padding: 0 !important;
    margin-top: 4px;
    transition: background .2s, color .2s;
    cursor: pointer;
  }
  .main_hp_wrap #calendar_fc .fc-day-other .fc-daygrid-day-number { color: var(--gray-400); }
  .main_hp_wrap #calendar_fc .fc-day-sun .fc-daygrid-day-number { color: var(--red-500); }
  .main_hp_wrap #calendar_fc .fc-day-sat .fc-daygrid-day-number { color: var(--blue-500); }
  .main_hp_wrap #calendar_fc .fc-daygrid-day-number:hover { background: var(--gray-100); }

  /* 오늘 - 네이비 원형 */
  .main_hp_wrap #calendar_fc .fc-day-today { background: transparent !important; }
  .main_hp_wrap #calendar_fc .fc-day-today .fc-daygrid-day-number {
    background: var(--navy-700) !important;
    color: var(--white) !important;
  }

  /* 선택된 날짜 */
  .main_hp_wrap #calendar_fc .fc-daygrid-day.is-selected .fc-daygrid-day-number {
    background: var(--gray-100);
  }

  /* 이벤트 텍스트 숨김 (점으로만 표시) */
  .main_hp_wrap #calendar_fc .fc-daygrid-day-events,
  .main_hp_wrap #calendar_fc .fc-daygrid-event-harness { display: none !important; }

  /* 이벤트 있는 날 - 오렌지 점 */
  .main_hp_wrap #calendar_fc .fc-daygrid-day.has-event .fc-daygrid-day-frame::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 4px;
    background: var(--orange-500);
    border-radius: 50%;
  }

  .main_hp_wrap .cal_event {
    margin-top: 18px;
    background: #f4f6fb;
    border-radius: 10px;
    padding: 14px 18px;
    display: flex;
    align-items: center;
    gap: 16px;
  }
  .main_hp_wrap .cal_event_date {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: var(--white);
    padding: 8px 12px;
    border-radius: 8px;
    min-width: 52px;
  }
  .main_hp_wrap .cal_event_month {
    font-size: 10px;
    font-weight: 800;
    color: var(--gray-600);
    letter-spacing: 0.1em;
  }
  .main_hp_wrap .cal_event_day {
    font-size: 20px;
    font-weight: 800;
    color: var(--navy-700);
    letter-spacing: -0.02em;
  }
  .main_hp_wrap .cal_event_text {
    display: flex; flex-direction: column; gap: 2px;
  }
  .main_hp_wrap .cal_event_tag {
    font-size: 11px;
    font-weight: 700;
    color: var(--badge-license-tx);
  }
  .main_hp_wrap .cal_event_title {
    font-size: 14px;
    font-weight: 700;
    color: var(--gray-900);
    letter-spacing: -0.01em;
  }

  /* Notice */
  .main_hp_wrap .guide_box {
    display: flex;
    flex-direction: column;
  }
  .main_hp_wrap .g_box_top {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 10px;
  }
  .main_hp_wrap .banner_title {
    font-size: 20px;
    font-weight: 800;
    color: var(--gray-900);
    letter-spacing: -0.02em;
  }
  .main_hp_wrap .g_more {
    font-size: 13px;
    color: var(--gray-500);
    font-weight: 600;
  }
  .main_hp_wrap .g_more:hover { color: var(--navy-700); }
  .main_hp_wrap .g_box_bottom {
    display: flex;
    flex-direction: column;
  }
  .main_hp_wrap .guide_item {
    padding: 18px 0;
    border-bottom: 1px solid var(--gray-200);
    display: flex; flex-direction: column; gap: 8px;
    cursor: pointer;
  }
  .main_hp_wrap .guide_item:last-child { border-bottom: none; }
  .main_hp_wrap .guide_item_top {
    display: flex; align-items: center; justify-content: space-between;
    gap: 12px;
  }
  .main_hp_wrap .g_status {
    font-size: 11px;
    font-weight: 700;
    padding: 4px 9px;
    border-radius: 4px;
    background: var(--gray-100);
    color: var(--gray-700);
  }
  .main_hp_wrap .g_status.important {
    background: var(--orange-500);
    color: var(--white);
  }
  .main_hp_wrap .g_date {
    font-size: 12px;
    color: var(--gray-500);
    font-variant-numeric: tabular-nums;
  }
  .main_hp_wrap .g_detail {
    font-size: 15px;
    font-weight: 700;
    color: var(--gray-900);
    letter-spacing: -0.02em;
    line-height: 1.4;
    transition: color .2s;
  }
  .main_hp_wrap .guide_item:hover .g_detail { color: var(--orange-500); }
  .main_hp_wrap .g_desc {
    font-size: 13px;
    color: var(--gray-600);
    line-height: 1.55;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  /* ============================
     Footer
     ============================ */
  .footer {
    background: var(--gray-50);
    border-top: 1px solid var(--gray-200);
    padding: 56px 0 40px;
    margin-top: 32px;
  }
  .footer_inner {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.4fr;
    gap: 40px;
  }
  .f_info .logo-text { font-size: 22px; }
  .footer .logo_mark img { height: 52px; width: auto; max-width: 100%; object-fit: contain; }
  .f_info p {
    margin-top: 16px;
    font-size: 13px;
    color: var(--gray-600);
    line-height: 1.7;
  }
  .footer h4 {
    font-size: 13px;
    font-weight: 800;
    color: var(--gray-900);
    margin: 0 0 16px;
    letter-spacing: -0.01em;
  }
  .footer ul li {
    font-size: 13px;
    color: var(--gray-600);
    margin-bottom: 10px;
    cursor: pointer;
    transition: color .2s;
  }
  .footer ul li:hover { color: var(--navy-700); }
  .footer ul li.strong {
    color: var(--navy-700);
    font-weight: 700;
  }
  .footer .tel {
    font-size: 14px;
    color: var(--gray-700);
    font-weight: 600;
    margin-top: 8px;
    font-variant-numeric: tabular-nums;
  }
  .copyright_w {
    margin-top: 40px;
    padding-top: 24px;
    border-top: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
  }
  .f_social {
    display: flex; gap: 12px;
  }
  .f_social a {
    width: 36px; height: 36px;
    border-radius: 50%;
    background: var(--white);
    border: 1px solid var(--gray-300);
    display: flex; align-items: center; justify-content: center;
    color: var(--gray-700);
    transition: all .2s;
  }
  .f_social a:hover {
    background: var(--navy-700);
    color: var(--white);
    border-color: var(--navy-700);
  }
  .copyright {
    font-size: 12px;
    color: var(--gray-500);
  }

  /* ============================
    Responsive
    ============================ */

  @media (max-width: 768px) {
    .main_hp_wrap .main_visual_slide { background-image: var(--mo-bg); background-position: center center; background-size: cover; }
    .main_hp_wrap .visual { height: 560px; padding: 40px 0 70px; border-radius: 0 0 18px 18px; }
    .main_hp_wrap .visual_inner { padding-top: 320px; }
    .main_hp_wrap .main_visual_btn { display: none; }
    .main_hp_wrap .main_visual_dots {bottom: 118px;}
  }

  @media (max-width: 900px) {
    .main_hp_wrap .main_quick {
      padding: 18px 20px;
      gap: 18px;
    }
    .main_hp_wrap .main_quick_profile {
      width: 100%;
      padding-right: 0;
      border-right: none;
      padding-bottom: 16px;
      border-bottom: 1px solid var(--gray-200);
    }
    .main_hp_wrap .main_quick_list {
      width: 100%;
      gap: 18px;
    }
    .main_hp_wrap .main_quick_cta {
      margin-left: 0;
      width: 100%;
      justify-content: center;
    }

    .main_hp_wrap section { padding: 40px 0; }
    .main_hp_wrap .banner_title { font-size: 22px; }

    .main_hp_wrap .lecture_con {
      grid-template-columns: repeat(2, 1fr);
      gap: 18px;
    }
    .main_hp_wrap .lec_item:nth-child(3) { grid-column: 1 / -1; }
    .main_hp_wrap .lec_item:nth-child(3) .lec_thumb { aspect-ratio: 21 / 8; }

    .main_hp_wrap .bottom_grid {
      grid-template-columns: 1fr;
      gap: 28px;
    }

    .footer_inner {
      grid-template-columns: 1fr 1fr;
      gap: 32px;
    }
    .f_info { grid-column: 1 / -1; }
  }


  @media (max-width: 600px) {
    .lms_main .container { padding: 0 16px; }

    .main_hp_wrap .visual_eyebrow { font-size: 11px; letter-spacing: 0.2em; }
    .main_hp_wrap .visual_search { padding: 12px 14px; gap: 10px; }
    .main_hp_wrap .visual_search .s_tit { width: 100%; font-size: 13px; }
    .main_hp_wrap .visual_search .sel_group_w { flex-direction: column; gap: 8px; width: 100%; }
    .main_hp_wrap .visual_search .sel_group { flex: 1 1 100%; width: 100%; }
    .main_hp_wrap .visual_search .search_box { width: 100%; }
    .main_hp_wrap .visual_search select,
    .main_hp_wrap .visual_search .search_box input[type="text"] { height: 42px; font-size: 13px; }

    .main_hp_wrap .main_quick { border-radius: 14px; padding: 16px; }
    .main_hp_wrap .main_quick_list { gap: 14px; justify-content: space-between; }
    .main_hp_wrap .main_quick_item { font-size: 12px; flex-direction: column; gap: 6px; }
    .main_hp_wrap .quick_img { width: 44px; height: 44px; font-size: 18px; }

    .main_hp_wrap .lecture_con {
      grid-template-columns: 1fr;
      gap: 18px;
    }
    .main_hp_wrap .lec_item:nth-child(3) { grid-column: auto; }
    .main_hp_wrap .lec_item:nth-child(3) .lec_thumb { aspect-ratio: 16 / 10; }
    .main_hp_wrap .swiper_title { min-height: auto; }
    .main_hp_wrap .swiper_txt02 { min-height: auto; }

    .main_hp_wrap .calendar01_w { padding: 18px 14px; }
    .main_hp_wrap #calendar_fc .fc-daygrid-day-number { width: 28px; height: 28px; font-size: 12px; }
    .main_hp_wrap #calendar_fc .fc-daygrid-day-frame { min-height: 38px !important; }
    .main_hp_wrap .cal_event { padding: 12px; gap: 12px; }

    .footer_inner {
      grid-template-columns: 1fr;
      gap: 28px;
    }
  }


/* =====================================================================
   gateway.html 
   ===================================================================== */
  .main_gate_wrap {

    --color-bg: #f7f8fa;
    --color-surface: #ffffff;
    --color-text: #1a2332;
    --color-text-sub: #5b6577;
    --color-text-muted: #94a0b2;
    --color-navy: #0d1f66;
    --color-navy-deep: #0a1850;
    --color-orange: #e8881a;
    --color-orange-deep: #d97808;
    --color-footer: #1a2332;
    --color-border: #e6e9ef;

    --radius-card: 20px;
    --radius-icon: 16px;
    --shadow-card: 0 1px 2px rgba(13, 31, 102, 0.04), 0 8px 24px rgba(13, 31, 102, 0.06);
    --shadow-card-hover: 0 4px 12px rgba(13, 31, 102, 0.08), 0 20px 40px rgba(13, 31, 102, 0.12);

    --font-sans: 'Pretendard Variable', Pretendard, -apple-system, BlinkMacSystemFont, system-ui, sans-serif;

    font-family: var(--font-sans);
    color: var(--color-text);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    line-height: 1.5;

    display: flex;
    flex-direction: column;
    min-height: 100vh;
  }

  * { box-sizing: border-box; }

  /* ===== Main ===== */
  .main_gate_wrap .main {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: clamp(40px, 8vw, 100px) 24px clamp(60px, 10vw, 120px);
  }

  .main_gate_wrap .container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
  }

  .main_gate_wrap .card__icon .fa-regular, .main_gate_wrap .far, .main_gate_wrap .card__icon  .fa-solid {
    font-size: 42px;
    color: #ffff;
  }

  /* ===== Hero ===== */
  .main_gate_wrap .hero {
    text-align: center;
    margin-bottom: clamp(40px, 6vw, 72px);
  }

  .main_gate_wrap .hero__title {
    font-size: clamp(28px, 5vw, 48px);
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--color-text);
    margin: 0 0 20px;
    line-height: 1.25;
    word-break: keep-all;
  }

  .main_gate_wrap .hero__desc {
    font-size: clamp(14px, 1.6vw, 16px);
    color: var(--color-text-sub);
    margin: 0;
    line-height: 1.7;
    word-break: keep-all;
  }

  .main_gate_wrap .hero__desc br { display: block; }

  /* ===== Cards Grid ===== */
  .main_gate_wrap .cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
  }

  /* ===== Card ===== */
  .main_gate_wrap .card {
    background: var(--color-surface);
    border-radius: var(--radius-card);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    transition: transform 0.5s cubic-bezier(0.33, 1, 0.68, 1),
                box-shadow 0.5s cubic-bezier(0.33, 1, 0.68, 1);
    position: relative;
    isolation: isolate;
    will-change: transform;
  }

  .card:hover,
  .main_gate_wrap .card:focus-visible {
    transform: translateY(-6px);
    box-shadow: var(--shadow-card-hover);
  }

  .main_gate_wrap .card:focus-visible {
    outline: 2px solid var(--color-navy);
    outline-offset: 4px;
  }

  /* ===== Card Visual (top colored area) ===== */

    .main_gate_wrap .card__visual {
      position: relative;
      height: clamp(180px, 22vw, 260px);
      display: flex;
      align-items: center;
      justify-content: center;
      overflow: hidden;
      background-size: cover;
      background-position: center;
      background-repeat: no-repeat;
    }
  
    /* 어두운 오버레이 */
    .main_gate_wrap .card__visual::before {
      content: "";
      position: absolute;
      inset: 0;
      background: rgb(87 84 84 / 45%);;
      z-index: 1;
    }
  
 
    .main_gate_wrap .card--navy .card__visual {
      background-image: url("../img/edu_003.jpg");
    }
  
    .main_gate_wrap .card--orange .card__visual {
      background-image: url("../img/edu_002.jpg");
    }



  /* Hexagonal pattern overlay */
  .main_gate_wrap .card__pattern {
    position: absolute;
    inset: 0;
    opacity: 0.18;
    pointer-events: none;
  }

  /* Icon container */
  .main_gate_wrap .card__icon {
    position: relative;
    width: 80px;
    height: 80px;
    border-radius: var(--radius-icon);
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(4px);
    z-index: 2;
    transition: transform 0.5s cubic-bezier(0.33, 1, 0.68, 1);
  }

  .main_gate_wrap .card--navy .card__icon {
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.18);
  }

  .main_gate_wrap .card--orange .card__icon {
    background: rgba(255, 255, 255, 0.18);
    border: 1px solid rgba(255, 255, 255, 0.22);
  }

  .main_gate_wrap .card:hover .card__icon {
    transform: scale(1.06);
  }

  .main_gate_wrap .card__icon svg {
    width: 32px;
    height: 32px;
    color: #fff;
    stroke-width: 1.8;
  }

  /* ===== Card Body ===== */
  .main_gate_wrap .card__body {
    padding: clamp(24px, 3vw, 32px);
    display: flex;
    flex-direction: column;
    gap: 12px;
    flex: 1;
  }

  .main_gate_wrap .card__title {
    font-size: clamp(17px, 1.8vw, 20px);
    font-weight: 700;
    letter-spacing: -0.015em;
    color: var(--color-text);
    margin: 0;
    word-break: keep-all;
  }

  .main_gate_wrap .card__desc {
    font-size: clamp(13px, 1.4vw, 15px);
    color: var(--color-text-sub);
    margin: 0;
    line-height: 1.65;
    word-break: keep-all;
    flex: 1;
  }

  /* ===== Card CTA ===== */
    .main_gate_wrap .card__cta {
      margin-top: 20px;
      display: inline-flex;
      align-self: flex-start;
      align-items: center;
      gap: 10px;
      padding: 11px 20px;
      border-radius: 10px;
      font-size: clamp(13px, 1.4vw, 14px);
      font-weight: 600;
      transition: background 0.3s cubic-bezier(0.33, 1, 0.68, 1),
        transform 0.3s cubic-bezier(0.33, 1, 0.68, 1);
    }
  
    .main_gate_wrap .card--navy .card__cta {
      background: #e6e9f5;
      color: var(--color-navy);
    }
  
    .main_gate_wrap .card--navy:hover .card__cta {
      background: #d4d9ed;
    }
  
    .main_gate_wrap .card--orange .card__cta {
      background: #faecdc;
      color: #b96305;
    }
  
    .main_gate_wrap .card--orange:hover .card__cta {
      background: #f4dcc1;
    }
  
    .main_gate_wrap .card__cta-arrow {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 16px;
      transition: transform 0.5s cubic-bezier(0.33, 1, 0.68, 1);
    }
  
    .main_gate_wrap .card:hover .card__cta-arrow {
      transform: translateX(6px);
    }
  /* ===== Footer ===== */
  .main_gate_wrap .footer {
    background: var(--color-footer);
    color: rgba(255, 255, 255, 0.6);
    padding: 32px 24px;
    text-align: center;
  }

  .main_gate_wrap .footer__nav {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 0;
    list-style: none;
    margin: 0 0 12px;
    padding: 0;
  }

  .main_gate_wrap .footer__nav li {
    position: relative;
    padding: 4px 20px;
  }

  .main_gate_wrap .footer__nav li + li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 1px;
    height: 12px;
    background: rgba(255, 255, 255, 0.18);
  }

  .main_gate_wrap .footer__nav a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.2s ease;
  }

  .main_gate_wrap .footer__nav a:hover { color: #fff; }

  .main_gate_wrap .footer__copy {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.4);
    margin: 0;
  }

  /* ===== Responsive ===== */
  @media (max-width: 768px) {
    .main_gate_wrap .cards {
      grid-template-columns: 1fr;
      gap: 20px;
    }

    .main_gate_wrap .card__visual { height: 200px; }

    .main_gate_wrap .card__icon {
      width: 64px;
      height: 64px;
    }

    .main_gate_wrap .card__icon svg {
      width: 28px;
      height: 28px;
    }

    .main_gate_wrap .footer__nav li {
      padding: 4px 14px;
    }
  }

  @media (max-width: 480px) {
    .main_gate_wrap .main {
      padding: 32px 16px 60px;
    }

    .main_gate_wrap .hero { margin-bottom: 32px; }
    .main_gate_wrap .hero__title br { display: none; }
    .main_gate_wrap .card__body { padding: 24px 20px; }
    .main_gate_wrap .footer__nav li { padding: 4px 10px; }
    .main_gate_wrap .footer__nav a { font-size: 13px; }
  }

  /* ===== Entrance animations ===== */
  @keyframes fadeUp {
    from { opacity: 0; transform: translateY(16px); }
    to   { opacity: 1; transform: translateY(0); }
  }

  .main_gate_wrap .hero__title { animation: fadeUp 0.7s cubic-bezier(0.2, 0.8, 0.2, 1) both; }
  .main_gate_wrap .hero__desc { animation: fadeUp 0.7s cubic-bezier(0.2, 0.8, 0.2, 1) 0.1s both; }
  .main_gate_wrap .card:nth-child(1) { animation: fadeUp 0.7s cubic-bezier(0.2, 0.8, 0.2, 1) 0.2s both; }
  .main_gate_wrap .card:nth-child(2) { animation: fadeUp 0.7s cubic-bezier(0.2, 0.8, 0.2, 1) 0.3s both; }

/* =====================================================================
   login.html
   ===================================================================== */
  .login_w {
    --navy-900: #0d2452;
    --navy-800: #102c63;
    --navy-700: #1a3a5f;
    --navy-600: #1e3a5f;
    --blue-600: #1c5fa8;
    --gray-900: #1a1d29;
    --gray-800: #2c2e3a;
    --gray-700: #444441;
    --gray-600: #6b7280;
    --gray-500: #9ca3af;
    --gray-400: #c5c8d0;
    --gray-300: #e5e7eb;
    --gray-200: #eef0f4;
    --gray-100: #f5f6f9;
    --gray-50:  #fafbfc;
    --white: #ffffff;
    --bg-page: #eef5fc;
    --shadow-card: 0 18px 50px rgba(20,42,90,0.10), 0 2px 8px rgba(20,42,90,0.04);
    --container: 460px;
  }


  html, body { margin: 0; padding: 0; }

  .login_w, .login_w *, .login_w *::before, .login_w *::after { box-sizing: border-box; }
  .login_w {
    font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
    color: var(--gray-700);
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;

    /* 화면 정중앙 배치 (반응형 핵심) */
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    background: var(--bg-page);
  }
  .login_w a { color: inherit; text-decoration: none; }
  .login_w button { font-family: inherit; cursor: pointer; border: none; background: transparent; }
  .login_w input { font-family: inherit; }

  /* ===================================================================
    로그인 카드
     =================================================================== */
  .login_w .login_card {
    width: 100%;
    max-width: var(--container);
    background: var(--white);
    border-radius: 20px;
    box-shadow: var(--shadow-card);
    padding: 48px 56px 44px;
  }

  /* 헤더 */
  .login_w .login_head {
    text-align: center;
    margin-bottom: 32px;
  }
  .login_w .login_title {
    margin: 0;
    font-size: 28px;
    font-weight: 800;
    color: var(--gray-900);
    letter-spacing: -0.02em;
  }
  .login_w .login_sub {
    margin: 10px 0 0;
    font-size: 14px;
    color: var(--gray-600);
  }

  /* 회원 유형 탭 */
  .login_w .login_tabs {
    display: flex;
    gap: 4px;
    padding: 4px;
    background: var(--gray-200);
    border-radius: 12px;
    margin-bottom: 28px;
  }
  .login_w .login_tab {
    flex: 1;
    height: 44px;
    border-radius: 9px;
    font-size: 14px;
    font-weight: 700;
    color: var(--gray-600);
    background: transparent;
    transition: background .2s, color .2s, box-shadow .2s;
  }
  .login_w .login_tab.is_active {
    background: var(--white);
    color: var(--navy-700);
    box-shadow: 0 1px 3px rgba(20,42,90,0.10);
  }

  /* 폼 */
  .login_w .login_form { display: flex; flex-direction: column; }
  .login_w .field { margin-bottom: 18px; }
  .login_w .field_label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 8px;
  }
  .login_w .field_input {
    width: 100%;
    height: 52px;
    padding: 0 16px;
    border-radius: 10px;
    border: 1px solid transparent;
    background: var(--gray-100);
    font-size: 15px;
    color: var(--gray-900);
    outline: none;
    transition: border-color .18s, background .18s, box-shadow .18s;
  }
  .login_w .field_input::placeholder { color: var(--gray-500); }
  .login_w .field_input:focus {
    background: var(--white);
    border-color: var(--navy-600);
    box-shadow: 0 0 0 3px rgba(30,58,95,0.10);
  }

  /* 로그인 버튼 */
  .login_w .login_btn {
    width: 100%;
    height: 56px;
    margin-top: 14px;
    border-radius: 10px;
    background: linear-gradient(180deg, var(--blue-600) 0%, var(--navy-900) 100%);
    color: var(--white);
    font-size: 16px;
    font-weight: 700;
    letter-spacing: -0.01em;
    transition: filter .2s, transform .12s;
  }
  .login_w .login_btn:hover { filter: brightness(1.07); }
  .login_w .login_btn:active { transform: scale(.99); }

  /* 하단 링크 */
  .login_w .login_links {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0 18px;
    margin-top: 26px;
  }
  .login_w .login_links a {
    position: relative;
    font-size: 13px;
    color: var(--gray-600);
    padding: 4px 0;
    transition: color .2s;
  }
  .login_w .login_links a:hover { color: var(--navy-700); }
  .login_w .login_links a + a::before {
    content: '';
    position: absolute;
    left: -9px;
    top: 50%;
    transform: translateY(-50%);
    width: 1px;
    height: 12px;
    background: var(--gray-300);
  }

  /* ===================================================================
     반응형
     =================================================================== */
  @media (max-width: 520px) {
    .login_w { padding: 24px 16px; }
    .login_w .login_card {
      border-radius: 16px;
      padding: 36px 26px 32px;
    }
    .login_w .login_title { font-size: 24px; }
    .login_w .login_sub { font-size: 13px; }
    .login_w .login_head { margin-bottom: 26px; }
    .login_w .field_input,
    .login_w .login_tab { height: 50px; }
    .login_w .login_btn { height: 54px; font-size: 15px; }
  }

  @media (max-width: 360px) {
    .login_w .login_card { padding: 30px 18px 28px; }
    .login_w .login_title { font-size: 22px; }
    .login_w .login_links { gap: 0 12px; }
    .login_w .login_links a + a::before { left: -6px; }
  }

  /* 화면 높이가 낮을 때(가로 모바일 등) — 스크롤 허용 + 여백 축소 */
  @media (max-height: 640px) {
    .login_w { align-items: flex-start; padding-top: 24px; padding-bottom: 24px; }
    .login_w .login_head { margin-bottom: 22px; }
    .login_w .field { margin-bottom: 14px; }
  }