:where(.pub_page), :where(.pub_page) *, :where(.pub_page) *::before, :where(.pub_page) *::after { box-sizing: border-box; margin: 0; padding: 0; }
    /* html reset removed for site embed */
    .pub_page { font-family: 'SUIT Variable', 'Pretendard', sans-serif; background: #f6fdff; overflow-x: hidden; color: #1d1d1f; }
    :where(.pub_page) img { display: block; max-width: 100%; }

    :root {
      --blue:      #1797ff;
      --blue-cmp:  #008cff;
      --purple:    #a812ff;
      --purple-lt: #b56aff;
      --orange:    #ff9500;
      --text-gray: #8f8f93;
      --text-dark: #2b2b2b;
      --text-body: #3d3d3d;
    }

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

    /* ══════════════════════════════
       HERO
    ══════════════════════════════ */
    .hero {
      width: 100%;
      aspect-ratio: 1920 / 716;
      min-height: 260px;
      max-height: 600px;
      position: relative;
      overflow: hidden;
      background: linear-gradient(180deg, #5BB8F5 0%, #A8DCF5 55%, #7DC870 100%);
    }
    .hero__bg {
      position: absolute; inset: 0;
      width: 100%; height: 100%;
      object-fit: cover; object-position: center bottom;
    }

    /* ══════════════════════════════
       S1 – 메인 카피
    ══════════════════════════════ */
    .s1 {
      background: #f6fdff;
      text-align: center;
      padding: clamp(48px, 5vw, 80px) 40px clamp(48px, 5vw, 80px);
    }
    .s1__logo {
      width: clamp(180px, 20vw, 320px);
      margin: 48px auto 60px;
    }
    .s1__logo img { width: 100%; height: auto; }

    .s1__headline {
      font-family: 'Pretendard', sans-serif;
      font-size: clamp(26px, 4.2vw, 80px);
      font-weight: 700;
      line-height: 1.3;
      color: #1d1d1f;
      margin-bottom: 0;
    }
    .s1__headline .blue { color: var(--blue); }

    .s1__laptop-wrap {
      max-width: clamp(360px, 58vw, 860px);
      margin: clamp(-20px, -2vw, -10px) auto clamp(24px, 3vw, 48px);
    }
    .s1__laptop-wrap img { width: 100%; height: auto; }

    .s1__desc {
      font-size: clamp(12px, 1vw, 20px);
      font-weight: 500;
      color: var(--text-gray);
      line-height: 1.75;
      max-width: 1400px;
      margin: 0 auto clamp(28px, 3vw, 48px);
    }

    .s1__btn {
      display: inline-flex;
      align-items: center;
      justify-content: flex-start;
      position: relative;
      background: var(--purple);
      color: #fff;
      font-size: clamp(15px, 1.6vw, 24px);
      font-weight: 700;
      min-width: clamp(200px, 21vw, 320px);
      height: clamp(56px, 6vw, 86px);
      padding: 0 clamp(72px, 7vw, 108px) 0 clamp(28px, 3vw, 48px);
      border-radius: 999px;
      text-decoration: none;
      border: none; cursor: pointer;
      transition: transform .2s;
      margin-bottom: clamp(40px, 5vw, 72px);
    }
    .s1__btn:focus, .s1__btn:focus-visible { outline: none; }
    .s1__btn:hover { transform: translateY(-3px); }
    .s1__btn-icon {
      position: absolute; right: clamp(7px,.9vw,12px); top: 50%; transform: translateY(-50%);
      width: clamp(42px,4.2vw,62px); height: clamp(42px,4.2vw,62px);
      background: rgba(255,255,255,.25); border-radius: 50%;
      display: flex; align-items: center; justify-content: center; flex-shrink: 0;
    }
    .s1__btn-icon img {
      width: clamp(16px, 1.8vw, 26px);
      height: auto;
      transform: rotate(0deg);
      transition: transform 0.25s ease;
    }
    .s1__btn:hover .s1__btn-icon img {
      transform: rotate(45deg);
    }

    /* 통계 바 */
    .stats-bar {
      background: var(--blue);
      width: 100%;
      padding: clamp(20px, 2.5vw, 36px) 40px;
      display: flex;
      justify-content: center;
      gap: 0;
    }
    .stats-item {
      flex: 1;
      max-width: 280px;
      text-align: center;
      color: #fff;
      position: relative;
    }
    .stats-item + .stats-item::before {
      content: '';
      position: absolute; left: 0; top: 10%; height: 80%;
      width: 1px; background: rgba(255,255,255,.35);
    }
    .stats-num {
      font-size: clamp(28px, 3vw, 56px);
      font-weight: 700;
      line-height: 1.2;
      display: block;
      color: #FFD600;
    }
    .stats-num em { font-style: normal; font-size: clamp(18px, 1.8vw, 34px); color: #fff; }
    .stats-label {
      font-size: clamp(10px, 0.9vw, 16px);
      font-weight: 500;
      opacity: .85;
      display: block;
      margin-top: 4px;
    }

    /* ══════════════════════════════
       S2 – 피처 카드
    ══════════════════════════════ */
    .s2 {
      background: #ffffff;
      padding: clamp(64px, 7vw, 120px) 40px;
      text-align: center;
    }
    .sec-h2 {
      font-family: 'Pretendard', sans-serif;
      font-weight: 700;
      line-height: 1.3;
      margin-bottom: clamp(12px, 1.2vw, 20px);
    }
    .s2 .sec-h2 {
      font-size: clamp(24px, 4.2vw, 80px);
      color: #1d1d1f;
    }
    .s2 .sec-h2 .blue { color: var(--blue); }
    .sec-sub {
      font-size: clamp(12px, 1vw, 20px);
      font-weight: 500;
      color: var(--text-gray);
      line-height: 1.7;
      max-width: 1200px;
      margin: 0 auto clamp(40px, 5vw, 72px);
    }

    .feat-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: clamp(14px, 2vw, 36px);
      max-width: 1240px;
      margin: 0 auto;
      align-items: start;
    }
    .feat-card {
      display: flex;
      flex-direction: column;
    }

    .feat-card__header {
      padding: clamp(20px, 2.5vw, 36px) clamp(20px, 2.5vw, 36px) 0;
      color: #fff;
      text-align: left;
    }
    .fc-blue  .feat-card__header { background: linear-gradient(160deg, #1797ff 0%, #0066d6 100%); }
    .fc-orange .feat-card__header { background: linear-gradient(160deg, #ff9500 0%, #e07800 100%); }
    .fc-purple .feat-card__header { background: linear-gradient(160deg, #b56aff 0%, #8800dd 100%); }

    .feat-num {
      font-size: clamp(22px, 1.85vw, 36px);
      font-weight: 400;
      color: rgba(255,255,255,.7);
      display: block;
      margin-bottom: clamp(6px, .6vw, 10px);
    }
    .feat-card__title {
      font-size: clamp(16px, 1.72vw, 33px);
      font-weight: 700;
      color: #fff;
      margin-bottom: clamp(4px, .4vw, 8px);
    }
    .feat-card__sub {
      font-size: clamp(12px, 1.2vw, 23px);
      color: rgba(255,255,255,.82);
      margin-bottom: clamp(14px, 1.8vw, 28px);
    }
    .feat-card__img {
      width: 100%;
    }
    .feat-card__img img {
      width: 100%;
      height: auto;
      display: block;
    }
    .feat-card__feats {
      background: #fff;
      padding: clamp(16px, 2vw, 28px) clamp(16px, 2vw, 28px);
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: clamp(10px, 1.2vw, 18px);
    }
    .feat-item {
      display: flex;
      gap: clamp(6px, .6vw, 10px);
      align-items: flex-start;
    }
    .feat-item i {
      font-size: clamp(13px, 1.1vw, 17px);
      margin-top: 2px;
      flex-shrink: 0;
    }
    .fc-blue   .feat-item i { color: var(--blue); }
    .fc-orange .feat-item i { color: var(--orange); }
    .fc-purple .feat-item i { color: var(--purple-lt); }
    .feat-item span {
      font-size: clamp(11px, 1.04vw, 20px);
      color: #333;
      line-height: 1.5;
      font-weight: 500;
    }

    /* ══════════════════════════════
       S3 – 명작동화의 세계
    ══════════════════════════════ */
    .s3 {
      background: #f7f3ff;
      padding: clamp(64px, 7vw, 120px) 40px;
      text-align: center;
    }
    .s3 .sec-h2 {
      font-size: clamp(24px, 4.2vw, 80px);
    }
    .s3 .sec-sub {
      line-height: 1.4;
    }
    .s3 .sec-h2 .purple { color: var(--purple); }
    .s3 .sec-h2 .dark { color: #1d1d1f; }

    .tale-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 2px;
      max-width: 1400px;
      margin: 0 auto;
    }
    .tale-card {
      overflow: hidden;
    }
    .tale-card__img {
      width: 100%;
    }
    .tale-card__img img {
      width: 100%;
      height: auto;
      display: block;
    }

    /* ══════════════════════════════
       S4 – 비교표
    ══════════════════════════════ */
    .s4 {
      background: #ffffff;
      padding: clamp(64px, 7vw, 120px) 40px;
      text-align: center;
    }
    .s4 .sec-h2 {
      font-size: clamp(24px, 4.2vw, 80px);
      color: #1d1d1f;
    }
    .s4 .sec-h2 .blue { color: var(--blue); }
    .s4__img-wrap {
      max-width: 1100px;
      margin: clamp(36px, 4vw, 64px) auto 0;
    }
    .s4__img-wrap img { width: 100%; height: auto; }
    .s4__img-mobile { display: none; }

    .compare-wrap {
      max-width: 1100px;
      margin: clamp(36px, 4vw, 64px) auto 0;
      display: flex;
      align-items: stretch;
      gap: 0;
      position: relative;
    }
    .cmp-box {
      flex: 1;
      border-radius: clamp(14px, 1.5vw, 20px);
      overflow: hidden;
      border: 2px solid;
      position: relative;
      z-index: 1;
    }
    .cmp-box.old { border-color: #d0d0d0; background: #fff; }
    .cmp-box.new { border-color: var(--blue); background: #eef7ff; box-shadow: 0 0 clamp(20px, 2.8vw, 50px) rgba(23,151,255,.2); }
    .cmp-header {
      padding: clamp(14px, 1.6vw, 24px) 28px;
      font-size: clamp(14px, 1.77vw, 34px);
      font-weight: 700;
      color: #fff;
      text-align: center;
    }
    .cmp-box.old .cmp-header { background: #b0b0b0; }
    .cmp-box.new .cmp-header { background: var(--blue); }
    .cmp-body {
      padding: clamp(16px, 2vw, 28px) clamp(20px, 2.2vw, 36px) clamp(16px, 2vw, 28px);
      display: flex;
      flex-direction: column;
    }
    .cmp-row {
      display: flex;
      gap: clamp(12px, 1.4vw, 20px);
      align-items: center;
      padding: clamp(16px, 1.8vw, 24px) 0;
      border-bottom: 1px dashed #d0d0d0;
    }
    .cmp-box.new .cmp-row { border-bottom-color: #b8d9f8; }
    .cmp-row:last-child { border-bottom: none; }
    .cmp-icon {
      width: clamp(52px, 5.5vw, 72px); height: clamp(52px, 5.5vw, 72px);
      border-radius: 50%;
      display: flex; align-items: center; justify-content: center;
      font-size: clamp(20px, 2.2vw, 28px);
      flex-shrink: 0;
    }
    .cmp-box.old .cmp-icon { background: #e8e8e8; color: #888; }
    .cmp-box.new .cmp-icon { background: #cce8ff; color: var(--blue-cmp); }
    .cmp-text strong {
      display: block;
      font-size: clamp(13px, 1.46vw, 28px);
      font-weight: 700;
      margin-bottom: 4px;
      line-height: 1.3;
    }
    .cmp-box.old .cmp-text strong { color: #333131; }
    .cmp-box.new .cmp-text strong { color: var(--blue-cmp); }
    .cmp-text p {
      font-size: clamp(11px, 1.35vw, 26px);
      color: #3d3d3d;
      line-height: 1.55;
      font-weight: 400;
    }
    .vs-wrap {
      display: flex; align-items: center; justify-content: center;
      width: clamp(80px, 8vw, 130px);
      flex-shrink: 0;
      position: relative; z-index: 2;
    }
    .vs-wrap::before, .vs-wrap::after {
      content: '';
      position: absolute;
      width: clamp(60px, 6.5vw, 100px);
      height: clamp(60px, 6.5vw, 100px);
      border-radius: 50%;
      border: 2px dashed #b8d9f8;
      top: 50%;
      transform: translateY(-50%);
    }
    .vs-wrap::before { right: 38%; }
    .vs-wrap::after  { left: 38%; }
    .vs-badge {
      width: clamp(46px, 5vw, 72px); height: clamp(46px, 5vw, 72px);
      border-radius: 50%;
      background: var(--blue);
      display: flex; align-items: center; justify-content: center;
      font-size: clamp(13px, 1.4vw, 22px);
      font-weight: 700;
      color: #fff;
      box-shadow: 0 4px 16px rgba(23,151,255,.3);
      position: relative; z-index: 1;
    }

    /* ══════════════════════════════
       S5 – 수업 몰입
    ══════════════════════════════ */
    .s5 {
      background: #fff7ed;
      padding: clamp(64px, 7vw, 120px) 40px;
    }
    .s5__head {
      text-align: center;
      margin-bottom: clamp(40px, 5vw, 72px);
    }
    .s5__head .sec-h2 {
      font-size: clamp(24px, 4.2vw, 80px);
      font-weight: 700;
      color: #1d1d1f;
    }
    .s5__inner {
      max-width: 1200px;
      margin: 0 auto;
      display: flex;
      gap: clamp(32px, 5vw, 88px);
      align-items: center;
    }
    .s5__img-col {
      flex: 0 0 clamp(240px, 40%, 540px);
    }
    .s5__img-box {
      width: 100%;
      aspect-ratio: 4/3;
      border-radius: clamp(14px, 1.8vw, 22px);
      overflow: hidden;
      box-shadow: 0 12px 40px rgba(0,0,0,.12);
    }
    .s5__img-box img {
      width: 100%; height: 100%;
      object-fit: cover;
      transition: opacity .4s;
    }
    .s5__qa-col { flex: 1; min-width: 0; }
    .mo-br { display: none; }
    .s5__mobile { display: none; }
    .s5__img-full { position: relative; margin: 0 auto; }
    .s5__img-full img { width: 100%; height: auto; display: block; max-width: 100%; }
    .s5__hit {
      position: absolute;
      left: 50%;
      width: 50%;
      background: transparent;
      border: none;
      cursor: pointer;
      padding: 0;
    }
    .s5__hit:nth-child(2) { top: 5%;   height: 30%; }
    .s5__hit:nth-child(3) { top: 36%;  height: 30%; }
    .s5__hit:nth-child(4) { top: 67%;  height: 30%; }
    .qa-item {
      padding: clamp(20px, 2.5vw, 38px) 0;
      border-bottom: 2px solid #eeddcc;
    }
    .qa-item:last-child { border-bottom: none; }
    .qa-item { cursor: pointer; opacity: .45; transition: opacity .3s; }
    .qa-item.qa-active,
    .qa-item:hover { opacity: 1; }
    .qa-num {
      font-size: clamp(16px, 2.1vw, 40px);
      font-weight: 700;
      color: var(--orange);
      margin-bottom: clamp(8px, 1vw, 14px);
    }
    .qa-body {
      font-size: clamp(13px, 1.65vw, 32px);
      font-weight: 500;
      color: var(--text-dark);
      line-height: 1.65;
    }

    /* ══════════════════════════════
       S6 – 수업 흐름
    ══════════════════════════════ */
    .s6 {
      background: #f6fdff;
      padding: clamp(64px, 7vw, 120px) 40px;
      text-align: center;
    }
    .s6 .sec-h2 {
      font-size: clamp(24px, 4.2vw, 80px);
      font-weight: 700;
      color: #1d1d1f;
    }
    .s6 .sec-h2 .blue { color: var(--blue); }
    .s6__swiper-wrap {
      max-width: 1100px;
      margin: clamp(40px, 5vw, 72px) auto 0;
      position: relative;
    }
    .s6__swiper { overflow: hidden; }
    .s6__inner {
      display: block;
    }
    .s6__swiper .swiper-button-next,
    .s6__swiper .swiper-button-prev { color: var(--blue); }
    .s6__swiper .swiper-pagination-bullet-active { background: var(--blue); }
    .s6__img {
      width: 100%;
    }
    .s6__img img {
      width: 100%;
      height: auto;
      display: block;
    }
    .s6__content { flex: 1; }
    .s6__step-badge {
      display: inline-block;
      background: #f0e6ff;
      color: var(--purple-lt);
      font-size: clamp(13px, 1.1vw, 18px);
      font-weight: 600;
      padding: 6px 18px;
      border-radius: 999px;
      margin-bottom: clamp(14px, 1.6vw, 22px);
    }
    .s6__title {
      font-size: clamp(22px, 3vw, 52px);
      font-weight: 700;
      color: #1d1d1f;
      line-height: 1.3;
      margin-bottom: clamp(12px, 1.4vw, 20px);
    }
    .s6__desc {
      font-size: clamp(13px, 1.2vw, 20px);
      font-weight: 500;
      color: var(--text-gray);
      line-height: 1.75;
    }

    /* ══════════════════════════════
       FOOTER CTA
    ══════════════════════════════ */
    .footer-cta {
      position: relative;
      text-align: center;
    }
    .footer-cta__bg {
      width: 100%;
      height: auto;
      display: block;
    }
    .footer-cta__bg-fallback { display: none; }
    .footer-cta__text {
      position: absolute;
      top: clamp(12px, 5%, 40px);
      left: 50%;
      transform: translateX(-50%);
      z-index: 2;
      width: 100%;
      padding: 0 40px;
      text-align: center;
      font-family: 'Pretendard', sans-serif;
    }
    .footer-cta__content {
      position: absolute;
      top: clamp(80px, 30%, 200px);
      left: 50%;
      transform: translateX(-50%);
      z-index: 2;
      width: 100%;
      padding: 0 40px;
    }
    .footer-cta__sub {
      font-size: clamp(14px, 1.5vw, 28px);
      font-weight: 600;
      color: #1d1d1f;
      margin-bottom: 8px;
    }
    .footer-cta__h2 {
      font-size: clamp(14px, 1.5vw, 28px);
      font-weight: 600;
      color: #1d1d1f;
      line-height: 1.6;
      margin-bottom: clamp(16px, 2vw, 30px);
    }
    .btn-start {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      background: var(--blue);
      color: #fff;
      font-size: clamp(16px, 1.6vw, 26px);
      font-weight: 700;
      padding: clamp(14px, 1.5vw, 24px) clamp(40px, 5vw, 80px);
      border-radius: 999px;
      text-decoration: none;
      border: none; cursor: pointer;
      box-shadow: 0 6px 24px rgba(23,151,255,.3);
      transition: transform .2s;
    }
    .btn-start:hover { transform: translateY(-3px); }

    /* ══════════════════════════════
       FOOTER
    ══════════════════════════════ */
    footer {
      background: #1a1a1a;
      color: #888;
      font-size: clamp(10px, 0.85vw, 13px);
      line-height: 1.9;
    }
    .footer-inner {
      max-width: 1400px;
      margin: 0 auto;
      padding: clamp(28px, 3vw, 44px) clamp(24px, 4vw, 60px) clamp(20px, 2.5vw, 36px);
    }
    .footer-top {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: clamp(16px, 2vw, 24px);
    }
    .footer-brand {
      color: #fff;
      font-size: clamp(18px, 2vw, 28px);
      font-weight: 800;
      letter-spacing: .04em;
    }
    .footer-family {
      background: transparent;
      border: 1px solid #555;
      color: #999;
      padding: 7px 36px 7px 14px;
      border-radius: 4px;
      font-size: clamp(11px, .85vw, 13px);
      font-family: 'Pretendard', sans-serif;
      cursor: pointer;
      appearance: auto;
    }
    .footer-divider { border: none; border-top: 1px solid #333; margin: 0 0 clamp(16px, 2vw, 24px); }
    .footer-info { color: #888; font-size: clamp(10px, .85vw, 13px); line-height: 1.9; margin-bottom: clamp(20px, 2.5vw, 32px); }
    .footer-info a { color: #666; text-decoration: none; }
    .footer-links { display: flex; gap: clamp(14px, 2vw, 28px); }
    .footer-links a { color: #666; text-decoration: underline; font-size: clamp(10px, .85vw, 12px); }
    .footer-links a:hover { color: #aaa; }

    /* ══════════════════════════════
       반응형 – 태블릿 ≤ 900px
    ══════════════════════════════ */
    @media (max-width: 900px) {
      .hero { aspect-ratio: 16/7; min-height: 200px; max-height: 380px; }
      .feat-grid { grid-template-columns: 1fr; max-width: 480px; }
      .tale-grid { grid-template-columns: repeat(2, 1fr); }
      .compare-wrap { flex-direction: column; gap: 12px; }
      .vs-wrap { width: 60px; }
      .s5__inner { flex-direction: column; align-items: center; }
      .s5__img-col { max-width: 460px; width: 100%; }
      .s6__inner { flex-direction: column !important; }
      .s6__img { max-width: 420px; width: 100%; }
    }

    /* ══════════════════════════════
       반응형 – 모바일 ≤ 640px
    ══════════════════════════════ */
    @media (max-width: 640px) {
      .hero { aspect-ratio: auto; height: 54vw; min-height: 180px; max-height: 320px; }
      .s1, .s2, .s3, .s4, .s6 { padding-left: 20px; padding-right: 20px; }
      .s5 { padding-left: 0; padding-right: 0; }
      .s5__head { padding-left: 20px; padding-right: 20px; }
      .s1__desc { word-break: keep-all; font-size: clamp(12px, 3.2vw, 16px); text-wrap: pretty; text-align: center; }
      .mo-br { display: inline; }
      .s1__headline, .sec-h2, .s4 .sec-h2, .s5__head .sec-h2, .s6 .sec-h2 { font-size: 24px !important; }
      .s6 .sec-h2, .s6 .sec-sub { word-break: keep-all; }
      .s5__desktop { display: none; }
      .s5__mobile { display: block; }
      .s5__mobile img { width: 80%; height: auto; display: block; margin: 0 auto 24px; }
      .s5__mobile-tabs { padding: 0 20px; }
      .s5__mtab {
        padding: 16px 0;
        border-bottom: 1px solid #e0d5c8;
        opacity: 0.4;
        transition: opacity 0.3s;
        cursor: pointer;
        font-family: 'Pretendard', sans-serif;
      }
      .s5__mtab:first-child { border-top: 1px solid #e0d5c8; }
      .s5__mtab.active { opacity: 1; }
      .s5__mtab .s5__tab-num { color: #FF9500; font-weight: 700; font-size: clamp(13px, 3.5vw, 16px); margin-bottom: 4px; }
      .s5__mtab .s5__tab-title { color: #FF9500; font-weight: 700; font-size: clamp(14px, 4vw, 18px); margin-bottom: 6px; line-height: 1.4; }
      .s5__mtab .s5__tab-desc { color: #2B2B2B; font-size: clamp(12px, 3.2vw, 15px); line-height: 1.7; }
      .footer-cta { display: flex; flex-direction: column; }
      .footer-cta__bg { order: 3; margin-top: 0; height: clamp(200px, 55vw, 320px); object-fit: cover; object-position: top center; }
      .footer-cta__text { order: 1; position: relative !important; top: auto !important; left: auto !important; transform: none !important; padding: 24px 20px 0; width: 100%; }
      .footer-cta__content { order: 2; position: relative !important; top: auto !important; left: auto !important; transform: none !important; padding: 16px 20px 20px; width: 100%; }
      .s1__logo { width: clamp(140px, 50vw, 240px); }
      .stats-bar { padding: 16px 20px; gap: 0; }
      .tale-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
      .s4__img-desktop { display: none; }
      .s4__img-mobile { display: block; }
      .footer-top { flex-direction: column; align-items: flex-start; gap: 12px; }
      .footer-links { flex-direction: column; gap: 8px; }
    }

    @media (max-width: 480px) {
      .hero { height: 60vw; }
      .tale-grid { grid-template-columns: 1fr; max-width: 320px; margin-left: auto; margin-right: auto; }
      .s6__inner { gap: 20px; }
    }