html,
  body {
    overflow-x: hidden;
  }

  .ynf-guide-section {
    width: 100vw;
    margin-left: calc(50% - 50vw);
    margin-right: calc(50% - 50vw);
    background: #f3f5f7;
    padding: 58px 20px 62px;
    box-sizing: border-box;
    font-family: Arial, Helvetica, sans-serif;
  }

  .ynf-guide-container {
    max-width: 1180px;
    margin: 0 auto;
  }

  .ynf-guide-title {
    margin: 0 0 42px;
    text-align: center;
    color: #111827;
    font-size: 30px;
    line-height: 1.25;
    font-weight: 800;
  }

  .ynf-guide-content {
    display: grid;
    grid-template-columns: 1fr 330px;
    gap: 42px;
    align-items: center;
  }

  .ynf-guide-steps {
    display: grid;
    grid-template-columns: 120px 1fr 120px 1fr 160px;
    align-items: start;
  }

  .ynf-guide-step {
    text-align: center;
    position: relative;
  }

  .ynf-step-number {
    width: 48px;
    height: 48px;
    margin: 0 auto 22px;
    border-radius: 50%;
    background: #d71920;
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    font-weight: 800;
    box-shadow: 0 8px 18px rgba(215, 25, 32, 0.22);
  }

  .ynf-guide-step h3 {
    margin: 0;
    color: #111827;
    font-size: 15px;
    line-height: 1.35;
    font-weight: 800;
  }

  .ynf-step-line {
    position: relative;
    height: 48px;
  }

  .ynf-step-line::before {
    content: "";
    position: absolute;
    top: 23px;
    left: 0;
    right: 16px;
    height: 2px;
    background: #cbd5e1;
  }

  .ynf-step-line::after {
    content: "";
    position: absolute;
    top: 18px;
    right: 6px;
    width: 10px;
    height: 10px;
    border-top: 2px solid #cbd5e1;
    border-right: 2px solid #cbd5e1;
    transform: rotate(45deg);
  }

  .ynf-guide-match-box {
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 10px;
    padding: 28px 30px;
    box-sizing: border-box;
    box-shadow: 0 10px 26px rgba(15, 23, 42, 0.05);
  }

  .ynf-guide-match-box h3 {
    margin: 0 0 14px;
    color: #111827;
    font-size: 20px;
    line-height: 1.25;
    font-weight: 800;
  }

  .ynf-guide-match-box ul {
    margin: 0;
    padding: 0;
    list-style: none;
  }

  .ynf-guide-match-box li {
    position: relative;
    padding-left: 14px;
    margin-bottom: 8px;
    color: #374151;
    font-size: 15px;
    line-height: 1.35;
  }

  .ynf-guide-match-box li:last-child {
    margin-bottom: 0;
  }

  .ynf-guide-match-box li::before {
    content: "•";
    position: absolute;
    left: 0;
    top: 0;
    color: #6b7280;
    font-weight: 700;
  }

  @media (max-width: 991px) {
    .ynf-guide-content {
      grid-template-columns: 1fr;
      gap: 35px;
    }

    .ynf-guide-steps {
      grid-template-columns: 120px 1fr 120px 1fr 160px;
    }

    .ynf-guide-match-box {
      max-width: 520px;
      margin: 0 auto;
    }
  }

  @media (max-width: 575px) {
    .ynf-guide-section {
      padding: 48px 15px;
    }

    .ynf-guide-title {
      font-size: 25px;
      margin-bottom: 32px;
    }

    .ynf-guide-steps {
      display: block;
    }

    .ynf-guide-step {
      display: grid;
      grid-template-columns: 54px 1fr;
      gap: 16px;
      align-items: center;
      text-align: left;
      margin-bottom: 24px;
    }

    .ynf-step-number {
      margin: 0;
      width: 44px;
      height: 44px;
      font-size: 20px;
    }

    .ynf-guide-step h3 {
      font-size: 16px;
    }

    .ynf-step-line {
      display: none;
    }

    .ynf-guide-match-box {
      padding: 24px 22px;
    }
  }