.page-index {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: #333333; /* Default text color for light background */
  background-color: #FFFFFF; /* Default background */
}

.page-index__article-wrap {
  max-width: 1150px;
  margin: 0 auto;
  padding: 0 20px;
  box-sizing: border-box;
}

.page-index__section {
  padding: 20px 0;
  margin-bottom: 20px;
}

.page-index__top-section {
  padding-top: 10px; /* Fixed header spacing */
  text-align: center;
  background-color: #FFFFFF;
}

.page-index__page-title {
  font-size: clamp(2em, 3.5vw, 2.5em);
  color: #26A9E0;
  font-weight: bold;
  margin-bottom: 20px;
  line-height: 1.2;
  text-align: center;
}

.page-index__top-cta {
  display: flex;
  gap: 15px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 30px;
}

.page-index__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 30px;
  border-radius: 6px;
  text-decoration: none;
  font-weight: bold;
  font-size: 1.1em;
  min-height: 44px; /* Minimum touch target size */
  cursor: pointer;
  transition: background-color 0.3s ease, transform 0.2s ease;
  box-sizing: border-box;
  max-width: 100%;
  white-space: normal;
  word-wrap: break-word;
}

.page-index__btn--primary {
  background-color: #0066ff;
  color: #ffffff;
  border: 2px solid #0066ff;
}

.page-index__btn--primary:hover {
  background-color: #0056e6;
  border-color: #0056e6;
  transform: translateY(-2px);
}

.page-index__announcement-section {
  background-color: #f9f9f9;
  border-radius: 8px;
  padding: 30px 20px;
  text-align: justify;
}

.page-index__announcement-title {
  font-size: 1.8em;
  color: #26A9E0;
  text-align: center;
  margin-bottom: 20px;
  font-weight: bold;
}

.page-index__announcement-section p {
  margin-bottom: 15px;
}

.page-index__selling-points {
  margin-left: 25px;
  margin-bottom: 20px;
}

.page-index__selling-points li {
  margin-bottom: 8px;
}

.page-index__text--highlight {
  color: #26A9E0;
  font-weight: bold;
}

.page-index__highlight-text {
  text-align: center;
  font-style: italic;
  color: #d62828;
  font-weight: bold;
}

.page-index__highlight-text a {
  color: #d62828;
  text-decoration: underline;
}

.page-index__overview-section p {
  margin-bottom: 15px;
  text-align: justify;
}

.page-index__fact-list {
  list-style: none;
  padding: 0;
  margin-bottom: 30px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 10px;
}

.page-index__fact-list li {
  background-color: #f0f8ff;
  padding: 10px 15px;
  border-left: 4px solid #26A9E0;
  border-radius: 4px;
}

.page-index__info-card {
  background-color: #f9f9f9;
  border: 1px solid #ddd;
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 25px;
}

.page-index__info-card p strong {
  color: #26A9E0;
  font-size: 1.1em;
}

.page-index__info-card ul {
  margin-left: 20px;
  margin-top: 10px;
  margin-bottom: 10px;
}

.page-index__info-card li {
  margin-bottom: 5px;
}

.page-index__info-card em {
  font-size: 0.9em;
  color: #555;
}

.page-index__warning-card {
  background-color: #fff4f4;
  border-left: 5px solid #ff4141;
  border-radius: 0 8px 8px 0;
  padding: 20px;
  color: #d62828;
  font-weight: 500;
}

.page-index__warning-card strong {
  color: #ff4141;
}

.page-index__warning-link {
  color: #d62828;
  text-decoration: underline;
  font-weight: bold;
}

.page-index__seo-content h2,
.page-index__seo-content h3 {
  color: #26A9E0;
  margin-top: 30px;
  margin-bottom: 15px;
  font-weight: bold;
  line-height: 1.3;
}

.page-index__seo-content h2 {
  font-size: 2em;
  text-align: center;
}

.page-index__seo-content h3 {
  font-size: 1.5em;
}

.page-index__seo-content p {
  margin-bottom: 15px;
  text-align: justify;
}

.page-index__seo-content a {
  color: #0066ff;
  text-decoration: underline;
}

.page-index__wp-caption {
  margin: 25px auto;
  max-width: 680px;
  text-align: center;
}

.page-index__wp-caption img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: 8px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.page-index__wp-caption figcaption {
  font-style: italic;
  font-size: 0.9em;
  color: #666;
  margin-top: 10px;
}

.page-index__benefits-list,
.page-index__product-list {
  margin-left: 25px;
  margin-bottom: 20px;
}

.page-index__benefits-list li,
.page-index__product-list li {
  margin-bottom: 8px;
}

.page-index__blockquote {
  background-color: #f0f8ff;
  border-left: 5px solid #26A9E0;
  padding: 20px 25px;
  margin: 30px 0;
  font-style: italic;
  color: #555;
  border-radius: 0 8px 8px 0;
}

.page-index__blockquote p {
  margin-bottom: 10px;
  text-align: justify;
}

.page-index__blockquote footer {
  text-align: right;
  font-size: 0.9em;
  color: #777;
}

.page-index__promo-box-section {
  background-color: #FFFFFF;
  padding: 30px 0;
}

.page-index__promo-box {
  background-color: #fffbe6;
  border: 2px dashed #111;
  border-radius: 10px;
  padding: 30px;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
  box-sizing: border-box;
}

.page-index__promo-title {
  font-size: 1.8em;
  color: #d62828;
  margin-bottom: 20px;
  font-weight: bold;
}

.page-index__promo-features {
  list-style: none;
  padding: 0;
  margin-bottom: 25px;
}

.page-index__promo-features li {
  margin-bottom: 10px;
  font-size: 1.1em;
  color: #444;
}

.page-index__btn--promo {
  background-color: #d62828;
  color: #ffffff;
  border: 2px solid #d62828;
  padding: 15px 40px;
  font-size: 1.2em;
  border-radius: 8px;
}

.page-index__btn--promo:hover {
  background-color: #c02121;
  border-color: #c02121;
  transform: translateY(-2px);
}

.page-index__registration-tutorial-section p {
  text-align: justify;
}

.page-index__tutorial-title {
  font-size: 2em;
  color: #26A9E0;
  text-align: center;
  margin-bottom: 20px;
  font-weight: bold;
}

.page-index__tutorial-steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  margin-top: 30px;
}

.page-index__tutorial-step {
  background-color: #f9f9f9;
  border-radius: 8px;
  padding: 25px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.page-index__step-title {
  font-size: 1.6em;
  color: #EA7C07; /* Login color for steps */
  margin-bottom: 15px;
  font-weight: bold;
  text-align: center;
}

.page-index__faq-title {
  font-size: 2em;
  color: #26A9E0;
  text-align: center;
  margin-bottom: 30px;
  font-weight: bold;
}

.page-index__faq-item {
  margin-bottom: 20px;
  padding-bottom: 15px;
  border-bottom: 1px solid #eee;
}

.page-index__faq-item:last-of-type {
  border-bottom: none;
}

.page-index__faq-question {
  font-size: 1.3em;
  color: #000000;
  font-weight: bold;
  margin-bottom: 10px;
  line-height: 1.4;
}

.page-index__faq-answer {
  color: #555;
  text-align: justify;
}

.page-index__contact-intro {
  text-align: center;
  margin-top: 30px;
  margin-bottom: 20px;
  font-size: 1.1em;
}

.page-index__contact-list {
  list-style: none;
  padding: 0;
  text-align: center;
  margin-bottom: 30px;
}

.page-index__contact-list li {
  margin-bottom: 10px;
  font-size: 1.1em;
}

.page-index__contact-list a {
  color: #0066ff;
  text-decoration: underline;
}

/* --- Responsive Styles --- */

@media (max-width: 1024px) {
  .page-index__article-wrap {
    padding: 0 15px;
  }

  .page-index__page-title {
    font-size: clamp(1.8em, 4vw, 2.2em);
  }

  .page-index__announcement-title,
  .page-index__seo-content h2,
  .page-index__tutorial-title,
  .page-index__faq-title {
    font-size: 1.6em;
  }

  .page-index__seo-content h3 {
    font-size: 1.3em;
  }

  .page-index__fact-list {
    grid-template-columns: 1fr;
  }

  .page-index__promo-box {
    padding: 25px;
  }

  .page-index__promo-title {
    font-size: 1.6em;
  }

  .page-index__step-title {
    font-size: 1.4em;
  }

  .page-index__faq-question {
    font-size: 1.2em;
  }
}

@media (max-width: 768px) {
  .page-index {
    font-size: 16px;
    line-height: 1.6;
  }

  .page-index__article-wrap {
    padding: 0 15px !important;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  /* Module 0: Top section title + Dual CTA */
  .page-index__top-section {
    padding-top: 10px !important;
  }

  .page-index__page-title {
    font-size: clamp(1.5em, 5vw, 2em) !important;
    margin-bottom: 15px !important;
  }

  .page-index__top-cta {
    flex-direction: column !important;
    gap: 10px !important;
    margin-bottom: 20px !important;
    padding: 0 15px;
  }

  .page-index__btn {
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
    padding: 12px 15px !important;
    font-size: 1em !important;
  }

  /* Module 1: Announcement / Featured Welfare section */
  .page-index__announcement-section {
    padding: 20px 15px !important;
  }

  .page-index__announcement-title {
    font-size: 1.5em !important;
  }

  .page-index__selling-points {
    margin-left: 20px !important;
  }

  /* Module 2: Brand Overview + Info Card + Warning Card */
  .page-index__fact-list {
    grid-template-columns: 1fr !important;
  }

  .page-index__info-card,
  .page-index__warning-card {
    padding: 15px !important;
  }

  /* Module 3: Long SEO text */
  .page-index__seo-content h2 {
    font-size: 1.6em !important;
    text-align: left !important;
    margin-top: 25px !important;
    margin-bottom: 10px !important;
  }

  .page-index__seo-content h3 {
    font-size: 1.2em !important;
    margin-top: 20px !important;
    margin-bottom: 10px !important;
  }

  .page-index__wp-caption {
    margin: 20px auto !important;
  }

  .page-index__wp-caption img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }

  .page-index__benefits-list,
  .page-index__product-list {
    margin-left: 20px !important;
  }

  /* Module 4: World Cup / Major Event Promo Box */
  .page-index__promo-box-section {
    padding: 20px 0 !important;
  }

  .page-index__promo-box {
    padding: 20px !important;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  .page-index__promo-title {
    font-size: 1.4em !important;
    margin-bottom: 15px !important;
  }

  .page-index__promo-features {
    margin-bottom: 20px !important;
  }

  .page-index__btn--promo {
    padding: 12px 25px !important;
    font-size: 1.1em !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }

  /* Module 5: Four-step Registration Tutorial */
  .page-index__registration-tutorial-section {
    padding: 20px 0 !important;
  }

  .page-index__tutorial-title {
    font-size: 1.6em !important;
    margin-bottom: 15px !important;
  }

  .page-index__tutorial-steps {
    gap: 25px !important;
    margin-top: 20px !important;
  }

  .page-index__tutorial-step {
    padding: 20px !important;
  }

  .page-index__step-title {
    font-size: 1.3em !important;
    margin-bottom: 10px !important;
  }

  /* Module 6: FAQ + Footer Contact Info */
  .page-index__faq-contact-section {
    padding: 20px 0 !important;
  }

  .page-index__faq-title {
    font-size: 1.6em !important;
    margin-bottom: 20px !important;
  }

  .page-index__faq-question {
    font-size: 1.1em !important;
    margin-bottom: 8px !important;
  }

  .page-index__contact-intro {
    margin-top: 20px !important;
    margin-bottom: 15px !important;
    font-size: 1em !important;
  }

  .page-index__contact-list li {
    font-size: 1em !important;
  }

  /* Ensure all section/container elements handle overflow */
  .page-index__section,
  .page-index__info-card,
  .page-index__warning-card,
  .page-index__promo-box,
  .page-index__tutorial-step {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
}