*,
    *::before,
    *::after {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      background-color: #f8fafc;
      line-height: 1.6;
      min-height: 100vh;
    }

    a {
      color: inherit;
      text-decoration: underline 1px;
      text-underline-offset: 4px;
    }

    a:hover {
      color: var(--subcolor);
      font-weight: bold;      
    }

    /* Hero */
    .hero {
      padding: 5rem 1.5rem 3rem;
      text-align: center;
    }

    .hero-title {
      font-size: 2.5rem;
      font-weight: 800;
      margin-bottom: 1rem;
      letter-spacing: -0.02em;
    }

    .hero-text {
      font-size: 1.125rem;
      color: var(--grey-dark);
      max-width: 600px;
      margin: 0 auto;
      line-height: 1.8;
    }

    /* Main */
    .main {
      max-width: 800px;
      margin: 0 auto;
      padding: 3rem 1.5rem 0;
      container-type: inline-size;
      container-name: main-content;
    }

    /* Category */
    .category {
      margin-bottom: 3rem;
      container-type: inline-size;
      container-name: category;
    }

    .category-title {
      font-size: 0.75rem;
      font-weight: 600;
      color: var(--subcolor);
      margin-bottom: 1rem;
      padding-left: 0.5rem;
    }

    .faq-list {
      display: flex;
      flex-direction: column;
      gap: 0.75rem;
    }

    /* FAQ Item */
    .faq-item {
      background-color: #ffffff;
      border: 1px solid var(--grey-light);
      border-radius: 12px;
      overflow: hidden;
    }

    .faq-item[open] {
      box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    }

    .faq-question {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 1.25rem 1.5rem;
      cursor: pointer;
      font-size: 1rem;
      font-weight: 600;
      list-style: none;
    }

    .faq-question::-webkit-details-marker {
      display: none;
    }

    .faq-question::marker {
      display: none;
      content: '';
    }

    .faq-question:hover {
      background-color: #ebf7fd;
    }

    .faq-question::after {
      content: '';
      width: 10px;
      height: 10px;
      border-right: 2px solid var(--grey-dark);
      border-bottom: 2px solid var(--grey-dark);
      transform: rotate(45deg);
      flex-shrink: 0;
      margin-left: 1rem;
    }

    .faq-item[open] .faq-question::after {
      transform: rotate(-135deg);
    }

    .faq-answer {
      padding: 0 1.5rem 1.5rem;
      line-height: 1.8;
      font-size: 0.8rem;
      text-align: justify;
    }

    .faq-answer span {
      font-weight:bold;
    }    

    .anno {
      font-size:0.6rem;
      color: var(--grey-dark);
      font-weight: normal;
    }


       /* Container Queries - FAQ content responds to container size */
    @container main-content (max-width: 500px) {
      .cta {
        padding: 2rem 1.5rem;
      }

      .cta-title {
        font-size: 1.25rem;
      }
    }

    @container category (max-width: 450px) {
      .faq-question {
        padding: 1rem 1.25rem;
        font-size: 0.9375rem;
      }

      .faq-answer {
        padding: 0 1.25rem 1.25rem;
        font-size: 0.875rem;
      }
    }

    @container category (min-width: 600px) {
      .faq-question {
        padding: 1rem 2rem;
        font-size: 1.0625rem;
      }

      .faq-answer {
        padding: 1.5rem 2rem;
        font-size: 1rem;
      }
    }