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

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

.page-index__section {
  padding: 30px 0;
}

.page-index__top-section {
  padding-top: 10px; /* Small top padding, not --header-offset */
  text-align: center;
  padding-bottom: 20px;
}

.page-index__page-title {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 700;
  color: #26A9E0;
  margin-bottom: 15px;
  line-height: 1.2;
}

.page-index__description {
  font-size: 1.1rem;
  max-width: 800px;
  margin: 0 auto 25px auto;
  color: #555555;
}

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

.page-index__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 30px;
  border-radius: 6px;
  font-size: 1.1rem;
  font-weight: 700;
  text-decoration: none;
  min-height: 44px; /* Minimum touch target height */
  transition: background-color 0.3s ease, transform 0.2s ease;
  box-sizing: border-box;
  max-width: 100%; /* Ensure buttons adapt to container width */
  white-space: normal;
  word-wrap: break-word;
}

.page-index__btn--primary {
  background-color: #26A9E0;
  color: #FFFFFF;
  border: 2px solid #26A9E0;
}

.page-index__btn--primary:hover {
  background-color: #1a8cc2;
  transform: translateY(-2px);
}

.page-index__btn--secondary {
  background-color: #EA7C07;
  color: #FFFFFF;
  border: 2px solid #EA7C07;
}

.page-index__btn--secondary:hover {
  background-color: #d46f06;
  transform: translateY(-2px);
}

.page-index__section-title {
  font-size: 2rem;
  font-weight: 700;
  color: #26A9E0;
  text-align: center;
  margin-bottom: 25px;
}

.page-index__announcement-section,
.page-index__brand-overview-section,
.page-index__seo-content-section,
.page-index__registration-tutorial-section,
.page-index__faq-section {
  background-color: #FFFFFF;
  padding: 40px 0;
}

.page-index__announcement-section p,
.page-index__brand-overview-section p,
.page-index__seo-content-section p,
.page-index__registration-tutorial-section p,
.page-index__faq-section p {
  text-align: justify;
  margin-bottom: 15px;
  color: #333333;
}

.page-index__features-list,
.page-index__facts-list,
.page-index__identification-list,
.page-index__product-list,
.page-index__promo-features,
.page-index__contact-info ul {
  list-style-type: disc;
  margin-left: 25px;
  margin-bottom: 20px;
  color: #333333;
}

.page-index__features-list li,
.page-index__facts-list li,
.page-index__identification-list li,
.page-index__product-list li,
.page-index__promo-features li,
.page-index__contact-info ul li {
  margin-bottom: 8px;
  line-height: 1.5;
}

.page-index__highlight-text {
  text-align: center;
  font-style: italic;
  color: #ed1c24;
  font-weight: 600;
  margin-top: 20px;
}

.page-index__info-card {
  background-color: #f9f9f9;
  border: 1px solid #ddd;
  border-radius: 8px;
  padding: 20px;
  margin-top: 30px;
  margin-bottom: 30px;
  color: #333333;
}

.page-index__info-card p,
.page-index__info-card ul {
  margin-bottom: 10px;
}

.page-index__info-card ul {
  list-style-type: circle;
  margin-left: 20px;
}

.page-index__info-card em {
  font-size: 0.9em;
  color: #666;
}

.page-index__warning-card {
  background-color: #fff4f4;
  border-left: 5px solid #ff4141;
  border-radius: 8px;
  padding: 15px;
  margin-bottom: 30px;
  color: #333333;
  font-weight: 500;
}

.page-index__seo-content-section h3 {
  font-size: 1.5rem;
  color: #26A9E0;
  margin-top: 30px;
  margin-bottom: 15px;
  font-weight: 600;
}

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

.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-size: 0.9em;
  color: #666;
  margin-top: 10px;
  font-style: italic;
}

.page-index__blockquote {
  border-left: 4px solid #26A9E0;
  padding-left: 20px;
  margin: 30px 0;
  font-style: italic;
  color: #555555;
  font-size: 1.1em;
}

.page-index__blockquote cite {
  display: block;
  margin-top: 10px;
  font-style: normal;
  font-weight: 600;
  color: #26A9E0;
}

.page-index__product-list li strong {
  color: #26A9E0;
}

.page-index__promo-box-section {
  background-color: #f5f5f5;
  padding: 40px 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-box-title {
  font-size: 1.8rem;
  color: #d62828;
  margin-bottom: 20px;
  font-weight: 700;
}

.page-index__promo-features {
  list-style-type: none;
  padding: 0;
  margin: 20px 0 30px 0;
  text-align: left;
}

.page-index__promo-features li {
  margin-bottom: 10px;
  font-size: 1.1em;
  color: #333333;
  display: flex;
  align-items: flex-start;
}

.page-index__promo-features li::before {
  content: '✔️';
  margin-right: 10px;
  color: #26A9E0;
  font-size: 1.2em;
  line-height: 1;
}

.page-index__registration-tutorial-section h3.page-index__step-title {
  font-size: 1.6rem;
  color: #26A9E0;
  margin-top: 35px;
  margin-bottom: 15px;
  font-weight: 700;
  text-align: center;
}

.page-index__faq-question-text {
  font-size: 1.4rem;
  color: #26A9E0;
  margin-top: 30px;
  margin-bottom: 15px;
  font-weight: 600;
}

.page-index__conclusion-text {
  text-align: center;
  font-size: 1.1rem;
  margin-top: 30px;
  margin-bottom: 20px;
  color: #333333;
}

.page-index__contact-info {
  margin-top: 40px;
  padding: 20px;
  background-color: #f9f9f9;
  border-radius: 8px;
  text-align: center;
  color: #333333;
}

.page-index__contact-title {
  font-size: 1.5rem;
  color: #26A9E0;
  margin-bottom: 15px;
  font-weight: 700;
}

.page-index__contact-info ul {
  list-style-type: none;
  padding: 0;
  margin: 0;
}

.page-index__contact-info ul li {
  margin-bottom: 8px;
  font-size: 1.1em;
}

.page-index__contact-info ul li a {
  color: #26A9E0;
  text-decoration: none;
}

.page-index__contact-info ul li a:hover {
  text-decoration: underline;
}

/* --- Mobile Responsive Styles --- */
@media (max-width: 768px) {
  .page-index {
    font-size: 16px;
    line-height: 1.65;
  }

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

  .page-index__section,
  .page-index__card,
  .page-index__container,
  .page-index__promo-box {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  /* Module 0: Top H1 + Dual CTA */
  .page-index__top-section {
    padding-top: 10px !important;
    padding-bottom: 15px;
  }
  .page-index__page-title {
    font-size: clamp(2rem, 8vw, 2.5rem); /* Adjust clamp for smaller screens */
    margin-bottom: 10px;
  }
  .page-index__description {
    font-size: 1rem;
    margin-bottom: 20px;
  }
  .page-index__top-cta {
    flex-direction: column; /* Stack buttons vertically */
    gap: 10px;
  }
  .page-index__btn {
    width: 100% !important;
    max-width: 100% !important;
    padding: 10px 20px;
    font-size: 1rem;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
  }

  /* General Section Titles */
  .page-index__section-title {
    font-size: 1.6rem;
    margin-bottom: 20px;
  }

  /* Module 1: Announcement / Main Promotion Area */
  .page-index__announcement-section p,
  .page-index__brand-overview-section p,
  .page-index__seo-content-section p,
  .page-index__registration-tutorial-section p,
  .page-index__faq-section p {
    font-size: 0.95rem;
  }
  .page-index__features-list,
  .page-index__facts-list,
  .page-index__identification-list,
  .page-index__product-list,
  .page-index__promo-features,
  .page-index__contact-info ul {
    margin-left: 20px;
  }
  .page-index__highlight-text {
    font-size: 1rem;
  }

  /* Module 2: Brand Overview + Info/Warning Cards */
  .page-index__info-card,
  .page-index__warning-card {
    padding: 15px;
    margin-top: 20px;
    margin-bottom: 20px;
  }
  .page-index__info-card p strong {
    font-size: 1rem;
  }
  .page-index__warning-card strong {
    font-size: 1rem;
  }

  /* Module 3: Long SEO Text (Images, Blockquote) */
  .page-index__seo-content-section h3 {
    font-size: 1.3rem;
    margin-top: 25px;
    margin-bottom: 10px;
  }
  .page-index__wp-caption {
    margin: 20px auto;
    width: 100% !important;
    max-width: 100% !important;
  }
  .page-index__wp-caption img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }
  .page-index__blockquote {
    margin: 20px 0;
    font-size: 1em;
    padding-left: 15px;
  }

  /* Module 4: World Cup / Event Box */
  .page-index__promo-box-section {
    padding: 30px 0;
  }
  .page-index__promo-box {
    padding: 20px;
    width: 100% !important;
    max-width: 100% !important;
  }
  .page-index__promo-box-title {
    font-size: 1.5rem;
  }
  .page-index__promo-features li {
    font-size: 1em;
  }

  /* Module 5: 4-Step Registration Tutorial */
  .page-index__registration-tutorial-section h3.page-index__step-title {
    font-size: 1.4rem;
    margin-top: 25px;
    margin-bottom: 10px;
  }

  /* Module 6: FAQ + Footer Contact Info */
  .page-index__faq-question-text {
    font-size: 1.2rem;
    margin-top: 25px;
    margin-bottom: 10px;
  }
  .page-index__conclusion-text {
    font-size: 1rem;
    margin-top: 25px;
  }
  .page-index__contact-info {
    margin-top: 30px;
    padding: 15px;
  }
  .page-index__contact-title {
    font-size: 1.3rem;
  }
  .page-index__contact-info ul li {
    font-size: 1em;
  }
}

/* Ensure all images and containers are responsive by default */
.page-index img {
  max-width: 100%;
  height: auto;
  display: block;
}

.page-index__section,
.page-index__card,
.page-index__container,
.page-index__promo-box {
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  overflow: hidden;
}