.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;
  text-align: center;
  background: #F5F7FA;
  color: #333333;
}

.page-index__page-title {
  font-size: 2.5em;
  font-weight: 700;
  line-height: 1.2;
  color: #E53935;
  margin-bottom: 15px;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.page-index__lead-text {
  font-size: 1.1em;
  margin-bottom: 25px;
  line-height: 1.6;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  color: #333333;
}

.page-index__top-cta {
  display: flex;
  gap: 20px;
  justify-content: center;
  margin-bottom: 30px;
  flex-wrap: wrap;
}

.page-index__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 30px;
  border-radius: 6px;
  font-size: 1.1em;
  font-weight: 700;
  text-decoration: none;
  min-height: 48px;
  cursor: pointer;
  transition: all 0.3s ease;
  max-width: 100%;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
  text-align: center;
}

.page-index__btn--primary {
  background: linear-gradient(180deg, #FF5A4F 0%, #E53935 100%);
  color: #ffffff;
  border: 2px solid transparent;
}

.page-index__btn--primary:hover {
  opacity: 0.9;
  transform: translateY(-2px);
}

.page-index__btn--secondary {
  background: #ffffff;
  color: #E53935;
  border: 2px solid #E53935;
}

.page-index__btn--secondary:hover {
  background: #f0f0f0;
  transform: translateY(-2px);
}

.page-index__section-title {
  font-size: 2em;
  font-weight: 700;
  color: #E53935;
  text-align: center;
  margin-bottom: 30px;
  line-height: 1.3;
}

.page-index__announcement-section,
.page-index__brand-summary-section,
.page-index__long-seo-content,
.page-index__register-tutorial-section,
.page-index__faq-section {
  background: #ffffff;
  color: #333333;
}

.page-index__announcement-section p,
.page-index__brand-summary-section p,
.page-index__long-seo-content p,
.page-index__register-tutorial-section p,
.page-index__faq-section p {
  line-height: 1.7;
  margin-bottom: 1em;
  text-align: justify;
}

.page-index__selling-points-list,
.page-index__fact-list,
.page-index__advantage-list,
.page-index__product-list,
.page-index__promotion-list,
.page-index__recognition-list,
.page-index__register-info-list,
.page-index__worldcup-promo-list,
.page-index__contact-info-list {
  list-style-type: disc;
  margin-left: 25px;
  margin-bottom: 20px;
  line-height: 1.7;
  color: #333333;
}

.page-index__selling-points-list li strong {
  color: #E53935;
}

.page-index__promo-highlight {
  text-align: center;
  font-style: italic;
  color: #E53935;
  font-weight: 600;
  margin-top: 25px;
}

.page-index__promo-highlight a {
  color: #FF5A4F;
  text-decoration: underline;
}

.page-index__info-card {
  background: #f9f9f9;
  border: 1px solid #ddd;
  border-radius: 8px;
  padding: 25px;
  margin: 30px 0;
  color: #333333;
}

.page-index__info-card p strong {
  color: #E53935;
}

.page-index__info-card ul {
  list-style-type: disc;
  margin-left: 20px;
  margin-top: 10px;
  margin-bottom: 10px;
  line-height: 1.6;
}

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

.page-index__warning-card {
  background: #fff4f4;
  border-left: 5px solid #ff4141;
  border-radius: 0 8px 8px 0;
  padding: 20px;
  margin: 30px 0;
  color: #333333;
}

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

.page-index__sub-title {
  font-size: 1.5em;
  font-weight: 700;
  color: #E53935;
  margin-top: 35px;
  margin-bottom: 20px;
  line-height: 1.4;
}

.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;
}

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

.page-index__blockquote {
  border-left: 5px solid #E53935;
  padding: 15px 20px;
  margin: 30px 0;
  background: #f9f9f9;
  font-style: italic;
  color: #555;
}

.page-index__blockquote cite {
  display: block;
  text-align: right;
  margin-top: 10px;
  font-style: normal;
  font-weight: 600;
  color: #E53935;
}

.page-index__product-list li strong,
.page-index__promotion-list li strong {
  color: #E53935;
}

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

.page-index__promo-box-section {
  padding: 40px 0;
  text-align: center;
}

.page-index__promo-box {
  background: #fffbe6;
  border: 2px dashed #111;
  border-radius: 10px;
  padding: 30px;
  margin: 0 auto;
  max-width: 800px;
  color: #333333;
}

.page-index__promo-box-title {
  font-size: 1.8em;
  font-weight: 700;
  color: #d62828;
  margin-bottom: 20px;
  line-height: 1.3;
}

.page-index__worldcup-promo-list {
  list-style-type: circle;
  margin-left: 30px;
  margin-bottom: 25px;
  text-align: left;
}

.page-index__worldcup-promo-list li strong {
  color: #d62828;
}

.page-index__btn--worldcup {
  background: #d62828;
  color: #ffffff;
  border: 2px solid transparent;
  font-size: 1.2em;
  padding: 15px 35px;
  border-radius: 8px;
}

.page-index__btn--worldcup:hover {
  background: #e53935;
  transform: translateY(-2px);
}

.page-index__tutorial-step-title {
  font-size: 1.6em;
  font-weight: 700;
  color: #0066ff;
  margin-top: 30px;
  margin-bottom: 15px;
  line-height: 1.4;
}

.page-index__register-info-list {
  list-style-type: decimal;
}

.page-index__faq-question {
  font-size: 1.3em;
  font-weight: 600;
  color: #E53935;
  margin-top: 25px;
  margin-bottom: 15px;
  line-height: 1.5;
}

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

.page-index__contact-info-list li {
  margin-bottom: 8px;
}

.page-index__contact-info-list li strong {
  color: #E53935;
}

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

/* --- Responsive Styles --- */
@media (max-width: 768px) {
  .page-index__article-wrap {
    padding: 0 15px !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }

  /* 1. Top Section & CTA */
  .page-index__top-section {
    padding-top: 10px !important;
  }

  .page-index__page-title {
    font-size: 2em;
    margin-bottom: 15px;
  }

  .page-index__lead-text {
    font-size: 1em;
    margin-bottom: 20px;
  }

  .page-index__top-cta {
    flex-direction: column;
    gap: 15px;
    margin-bottom: 25px;
  }

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

  /* 2. Single Column Long Text Container */
  .page-index__section {
    padding: 15px 0;
    margin-bottom: 15px;
  }

  .page-index__section-title {
    font-size: 1.5em;
    margin-bottom: 20px;
  }

  .page-index__announcement-section p,
  .page-index__brand-summary-section p,
  .page-index__long-seo-content p,
  .page-index__register-tutorial-section p,
  .page-index__faq-section p {
    text-align: left;
    font-size: 0.95em;
  }

  .page-index__selling-points-list,
  .page-index__fact-list,
  .page-index__advantage-list,
  .page-index__product-list,
  .page-index__promotion-list,
  .page-index__recognition-list,
  .page-index__register-info-list,
  .page-index__worldcup-promo-list,
  .page-index__contact-info-list {
    margin-left: 20px;
    font-size: 0.95em;
  }

  .page-index__info-card,
  .page-index__warning-card {
    padding: 15px;
    margin: 20px 0;
  }

  .page-index__sub-title {
    font-size: 1.2em;
    margin-top: 25px;
    margin-bottom: 15px;
  }

  .page-index__blockquote {
    padding: 10px 15px;
    margin: 20px 0;
    font-size: 0.95em;
  }

  .page-index__promo-box {
    padding: 20px;
    margin: 0 15px;
    width: auto;
  }

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

  /* 3. General Images and Figure */
  .page-index img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    box-sizing: border-box !important;
  }

  .page-index__wp-caption {
    margin: 15px auto;
  }

  .page-index__figcaption {
    font-size: 0.85em;
  }

  /* 4. Buttons and Button Containers */
  .page-index__btn--worldcup {
    width: 100% !important;
    max-width: 100% !important;
    font-size: 1.1em !important;
    padding: 12px 15px !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
  }

  .page-index__top-cta,
  .page-index__promo-box-section .page-index__btn-container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    flex-wrap: wrap !important;
    gap: 10px;
  }

  /* 5. Registration Tutorial and FAQ Blocks */
  .page-index__tutorial-step-title {
    font-size: 1.3em;
    margin-top: 20px;
    margin-bottom: 10px;
  }

  .page-index__faq-question {
    font-size: 1.1em;
    margin-top: 20px;
    margin-bottom: 10px;
  }

  .page-index__contact-info-list {
    font-size: 0.95em;
  }
}