.page-register {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  color: #FFF6D6; /* Main text color on dark background */
  background-color: #0A0A0A; /* Body background from custom配色 */
}

.page-register__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  box-sizing: border-box;
}

.page-register__section-title {
  font-size: clamp(2rem, 4vw, 3rem); /* H1 size constraint */
  color: #FFD36B; /* Auxiliary color for titles */
  text-align: center;
  margin-bottom: 20px;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.page-register__section-description {
  font-size: 1.1rem;
  text-align: center;
  max-width: 800px;
  margin: 0 auto 40px auto;
  color: #FFF6D6; /* Main text color */
}

/* Hero Section */
.page-register__hero-section {
  padding-top: var(--header-offset, 120px);
  background: linear-gradient(135deg, #0A0A0A 0%, #1a1a1a 100%); /* Darker gradient for hero background */
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding-bottom: 50px;
}

.page-register__hero-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  max-width: 1200px;
  padding: 0 20px;
  box-sizing: border-box;
}

.page-register__hero-image {
  width: 100%;
  height: auto;
  max-width: 1000px;
  border-radius: 10px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  margin-bottom: 40px;
}

.page-register__hero-text-area {
  text-align: center;
  max-width: 800px;
}

.page-register__main-title {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  color: #FFD36B; /* Glow color for main title */
  margin-bottom: 20px;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: 0.08em;
  text-shadow: 0 0 10px rgba(255, 211, 107, 0.5);
}

.page-register__intro-text {
  font-size: 1.25rem;
  color: #FFF6D6;
  margin-bottom: 40px;
  line-height: 1.5;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.page-register__cta-buttons {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
}

.page-register__btn-primary,
.page-register__btn-secondary {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.1rem;
  transition: all 0.3s ease;
  box-sizing: border-box;
  text-align: center;
  max-width: 100%; /* For mobile responsiveness */
  white-space: normal;
  word-wrap: break-word;
}

.page-register__btn-primary {
  background: linear-gradient(180deg, #FFD86A 0%, #DDA11D 100%);
  color: #333333; /* Dark text for contrast on bright gradient */
  border: 2px solid #DDA11D;
  box-shadow: 0 5px 15px rgba(255, 211, 107, 0.4);
}

.page-register__btn-primary:hover {
  background: linear-gradient(180deg, #E0B440 0%, #C48E12 100%);
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(255, 211, 107, 0.6);
}

.page-register__btn-secondary {
  background: #111111; /* Card BG */
  color: #FFD36B; /* Glow color */
  border: 2px solid #3A2A12; /* Border color */
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.page-register__btn-secondary:hover {
  background: #222222;
  border-color: #FFD36B;
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.5);
}

/* Benefits Section */
.page-register__benefits-section {
  padding: 60px 0;
  background-color: #0A0A0A; /* Background color */
}

.page-register__benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-register__benefit-card {
  background-color: #111111; /* Card BG */
  border: 1px solid #3A2A12; /* Border color */
  border-radius: 10px;
  padding: 30px;
  text-align: center;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.4);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  color: #FFF6D6; /* Text Main */
  display: flex;
  flex-direction: column;
  align-items: center;
}

.page-register__benefit-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.6);
}

.page-register__card-image {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  margin-bottom: 20px;
  object-fit: cover;
}

.page-register__card-title {
  font-size: 1.5rem;
  color: #FFD36B; /* Glow color */
  margin-bottom: 15px;
  font-weight: 600;
}

.page-register__card-text {
  font-size: 1rem;
  color: #FFF6D6; /* Text Main */
  line-height: 1.7;
}

.page-register__card-text a {
  color: #F2C14E; /* Primary color for links */
  text-decoration: underline;
}

.page-register__card-text a:hover {
  color: #FFD36B;
}

/* Steps Section */
.page-register__steps-section {
  padding: 80px 0;
  background-color: #0A0A0A; /* Background color */
}

.page-register__steps-content {
  display: flex;
  gap: 50px;
  align-items: center;
  margin-top: 40px;
}

.page-register__steps-image-wrapper {
  flex: 1;
  min-width: 400px;
}

.page-register__steps-image {
  width: 100%;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
}

.page-register__steps-list {
  flex: 1;
  list-style: none;
  padding: 0;
  margin: 0;
}

.page-register__step-item {
  background-color: #111111; /* Card BG */
  border: 1px solid #3A2A12; /* Border color */
  border-radius: 8px;
  padding: 25px;
  margin-bottom: 20px;
  box-shadow: 0 3px 15px rgba(0, 0, 0, 0.2);
  color: #FFF6D6; /* Text Main */
}

.page-register__step-title {
  font-size: 1.3rem;
  color: #F2C14E; /* Primary color */
  margin-bottom: 10px;
  font-weight: 600;
}

.page-register__step-text {
  font-size: 1rem;
  line-height: 1.6;
}

.page-register__btn-small {
  display: inline-block;
  padding: 10px 20px;
  margin-top: 15px;
  border-radius: 5px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  background: linear-gradient(180deg, #FFD86A 0%, #DDA11D 100%);
  color: #333333; /* Dark text for contrast */
  border: 1px solid #DDA11D;
  transition: all 0.3s ease;
}

.page-register__btn-small:hover {
  background: linear-gradient(180deg, #E0B440 0%, #C48E12 100%);
  transform: translateY(-2px);
}

/* Security Section */
.page-register__security-section {
  padding: 80px 0;
  background-color: #0A0A0A; /* Background color */
}

.page-register__security-content {
  display: flex;
  gap: 50px;
  align-items: flex-start;
  margin-top: 40px;
}

.page-register__security-text {
  flex: 1;
  color: #FFF6D6; /* Text Main */
}

.page-register__sub-title {
  font-size: 1.6rem;
  color: #FFD36B; /* Glow color */
  margin-top: 30px;
  margin-bottom: 15px;
  font-weight: 700;
}

.page-register__sub-title:first-child {
  margin-top: 0;
}

.page-register__text-block {
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: 20px;
}

.page-register__text-block a {
  color: #F2C14E; /* Primary color for links */
  text-decoration: underline;
}

.page-register__text-block a:hover {
  color: #FFD36B;
}

.page-register__security-image-wrapper {
  flex: 1;
  min-width: 400px;
}

.page-register__security-image {
  width: 100%;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
}

/* App Section */
.page-register__app-section {
  padding: 80px 0;
  background-color: #111111; /* Card BG */
  text-align: center;
}

.page-register__app-features {
  margin-top: 40px;
}

.page-register__feature-list {
  list-style: none;
  padding: 0;
  margin: 0 auto 30px auto;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 30px;
  max-width: 900px;
}

.page-register__feature-list li {
  background-color: #0A0A0A; /* Background color */
  border: 1px solid #3A2A12; /* Border color */
  border-radius: 8px;
  padding: 15px 25px;
  font-size: 1.1rem;
  color: #FFF6D6; /* Text Main */
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.page-register__feature-icon {
  color: #F2C14E; /* Primary color */
  font-size: 1.5rem;
}

.page-register__app-cta .page-register__btn-primary {
  margin-top: 20px;
}

/* FAQ Section */
.page-register__faq-section {
  padding: 80px 0;
  background-color: #0A0A0A; /* Background color */
}

.page-register__faq-list {
  margin-top: 40px;
}

.page-register__faq-item {
  background-color: #111111; /* Card BG */
  border: 1px solid #3A2A12; /* Border color */
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
  box-shadow: 0 3px 15px rgba(0, 0, 0, 0.2);
}

.page-register__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  cursor: pointer;
  background-color: #1a1a1a; /* Slightly lighter than card BG */
  color: #FFD36B; /* Glow color */
  font-weight: 700;
  font-size: 1.2rem;
  transition: background-color 0.3s ease;
}

.page-register__faq-question:hover {
  background-color: #222222;
}

.page-register__faq-toggle {
  font-size: 1.8rem;
  line-height: 1;
  transition: transform 0.3s ease;
}

.page-register__faq-item.active .page-register__faq-toggle {
  transform: rotate(45deg);
}

.page-register__faq-answer {
  max-height: 0;
  overflow: hidden;
  padding: 0 25px;
  transition: max-height 0.3s ease, padding 0.3s ease;
  color: #FFF6D6; /* Text Main */
  font-size: 1rem;
  line-height: 1.7;
}

.page-register__faq-item.active .page-register__faq-answer {
  max-height: 1000px !important; /* Sufficiently large to show all content */
  padding: 20px 25px;
}

.page-register__faq-title {
  margin: 0;
  color: inherit;
}

/* Final CTA Section */
.page-register__cta-final-section {
  padding: 80px 0;
  background-color: #0A0A0A; /* Background color */
  text-align: center;
}

.page-register__cta-final-section .page-register__cta-buttons {
  margin-top: 40px;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .page-register__hero-image {
    max-width: 800px;
  }
  .page-register__steps-content,
  .page-register__security-content {
    flex-direction: column;
  }
  .page-register__steps-image-wrapper,
  .page-register__security-image-wrapper {
    min-width: unset;
    width: 100%;
    margin-bottom: 30px;
  }
  .page-register__security-image {
    max-width: 600px;
    margin: 0 auto;
  }
}

@media (max-width: 768px) {
  /* Fixed header spacing for mobile */
  .page-register__hero-section {
    padding-top: var(--header-offset, 120px) !important; /* Mobile: controlled by shared's media */
  }

  .page-register__main-title {
    font-size: clamp(2rem, 8vw, 2.8rem);
    letter-spacing: 0.05em;
  }

  .page-register__intro-text {
    font-size: 1.1rem;
  }

  .page-register__section-title {
    font-size: clamp(1.8rem, 6vw, 2.5rem);
  }

  .page-register__section-description {
    font-size: 1rem;
    margin-bottom: 30px;
  }

  .page-register__cta-buttons {
    flex-direction: column;
    gap: 15px;
    padding: 0 15px;
    box-sizing: border-box;
  }
  
  .page-register__btn-primary,
  .page-register__btn-secondary,
  .page-register__btn-small,
  .page-register a[class*="button"],
  .page-register a[class*="btn"] {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
    padding-left: 15px;
    padding-right: 15px;
    margin-left: auto;
    margin-right: auto;
  }

  .page-register__container {
    padding-left: 15px;
    padding-right: 15px;
  }

  .page-register img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  
  .page-register__section,
  .page-register__card,
  .page-register__container,
  .page-register__steps-image-wrapper,
  .page-register__security-image-wrapper,
  .page-register__app-features,
  .page-register__cta-buttons,
  .page-register__button-group,
  .page-register__btn-container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }

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

  .page-register__steps-image {
    margin-bottom: 20px;
  }

  .page-register__feature-list {
    flex-direction: column;
    gap: 15px;
    padding: 0 15px;
  }
  .page-register__feature-list li {
    width: 100%;
  }
  
  .page-register__faq-question {
    font-size: 1.1rem;
    padding: 15px 20px;
  }
  .page-register__faq-answer {
    padding: 15px 20px;
  }
}

@media (max-width: 480px) {
  .page-register__main-title {
    font-size: clamp(1.8rem, 10vw, 2.5rem);
  }
  .page-register__intro-text {
    font-size: 1rem;
  }
  .page-register__section-title {
    font-size: clamp(1.6rem, 8vw, 2rem);
  }
  .page-register__sub-title {
    font-size: 1.4rem;
  }
  .page-register__btn-primary,
  .page-register__btn-secondary {
    padding: 12px 20px;
  }
}