body {
    margin: 0;
    font-family: 'Noto Sans KR', Arial, sans-serif;
    background: #fff;
    color: #1a237e;
  }
  
  .top-section {
    background: #ffe066;
    border-bottom-left-radius: 32px;
    border-bottom-right-radius: 32px;
    box-shadow: 0 2px 16px rgba(200, 200, 0, 0.08);
    padding: 32px 0 24px 0;
  }
  
  .header-inner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
    max-width: 600px;
    margin: 0 auto;
  }
  
  .shuttlecock-illustration {
    flex-shrink: 0;
    background: #fffde7;
    border-radius: 50%;
    padding: 12px;
    box-shadow: 0 2px 8px rgba(200, 200, 0, 0.10);
  }
  
  .header-text h1 {
    margin: 0 0 8px 0;
    font-size: 2rem;
    color: #1a237e;
    font-weight: 800;
    letter-spacing: -1px;
  }
  
  .info {
    display: flex;
    gap: 18px;
    font-size: 1.05rem;
    color: #1a237e;
  }
  
  main {
    max-width: 600px;
    margin: 32px auto 0 auto;
    padding: 0 16px;
  }
  
  .skills-card, .log-card {
    background: #fff;
    border-radius: 24px;
    box-shadow: 0 4px 24px rgba(200, 200, 0, 0.08);
    padding: 28px 24px 20px 24px;
    margin-bottom: 28px;
  }
  
  .skills-card h2, .log-card h2 {
    margin-top: 0;
    margin-bottom: 18px;
    font-size: 1.3rem;
    color: #1a237e;
    font-weight: 700;
  }
  
  .skills-list {
    list-style: none;
    padding: 0;
    margin: 0;
  }
  
  .skills-list li {
    display: flex;
    align-items: center;
    gap: 14px;
    background: #f9fbe7;
    border-left: 6px solid #ffe066;
    margin-bottom: 12px;
    padding: 10px 16px;
    border-radius: 12px;
    font-size: 1.05rem;
    color: #1a237e;
  }
  
  .skills-list input[type="range"] {
    accent-color: #ffe066;
    width: 120px;
    margin: 0 8px;
  }
  
  .range-value {
    min-width: 40px;
    color: #1a237e;
    font-weight: bold;
  }
  
  .log-list {
    list-style: none;
    padding: 0;
    margin: 0;
  }
  
  .log-list li {
    background: #f9fbe7;
    border-left: 6px solid #ffe066;
    margin-bottom: 10px;
    padding: 10px 16px;
    border-radius: 12px;
    font-size: 1.05rem;
    color: #1a237e;
    display: flex;
    align-items: center;
    gap: 8px;
  }
  
  @media (max-width: 600px) {
    .header-inner {
      flex-direction: column;
      gap: 10px;
    }
    .skills-card, .log-card {
      padding: 16px 8px 12px 8px;
    }
    .top-section {
      padding: 20px 0 14px 0;
      border-bottom-left-radius: 18px;
      border-bottom-right-radius: 18px;
    }
    main {
      padding: 0 4px;
    }
  }