/**
 * landing.css - ランディングページ専用スタイル
 */

/* ========================================
   Landing Header
======================================== */
.landing-header {
  background: var(--mhw-brown-dark);
  border-bottom: 2px solid var(--mhw-brown-light);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--mhw-orange);
  font-size: 1.5rem;
  font-weight: bold;
}

.logo-icon {
  font-size: 2rem;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  color: var(--mhw-text);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
}

.nav-link:hover {
  color: var(--mhw-orange);
}

.btn-cta-small {
  background: var(--mhw-orange);
  color: white;
  padding: 0.6rem 1.5rem;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
}

.btn-cta-small:hover {
  background: var(--mhw-gold);
  transform: translateY(-2px);
}

/* ========================================
   Hero Section
======================================== */
.hero-section {
  background: linear-gradient(135deg, var(--mhw-brown-dark) 0%, var(--mhw-brown-dark) 100%);
  padding: 6rem 2rem;
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 20% 50%, rgba(233, 69, 96, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  position: relative;
}

.hero-content {
  z-index: 1;
}

.hero-title {
  color: var(--mhw-text);
  font-size: 3rem;
  margin: 0 0 1rem 0;
  line-height: 1.2;
}

.hero-subtitle {
  color: var(--mhw-orange);
  font-size: 2.5rem;
}

.hero-description {
  color: var(--mhw-text-muted);
  font-size: 1.2rem;
  line-height: 1.8;
  margin: 2rem 0;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.btn-hero-primary,
.btn-hero-secondary {
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.05rem;
  transition: all 0.3s ease;
}

.btn-hero-primary {
  background: var(--mhw-orange);
  color: white;
}

.btn-hero-primary:hover {
  background: var(--mhw-gold);
  transform: translateY(-4px);
  box-shadow: 0 8px 16px rgba(233, 69, 96, 0.4);
}

.btn-hero-secondary {
  background: transparent;
  color: var(--mhw-text);
  border: 2px solid var(--mhw-brown-light);
}

.btn-hero-secondary:hover {
  border-color: var(--mhw-orange);
  color: var(--mhw-orange);
}

.hero-note {
  color: #888;
  font-size: 0.95rem;
}

.hero-image {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-mockup {
  width: 100%;
  max-width: 500px;
}

.mockup-placeholder {
  background: rgba(26, 26, 46, 0.8);
  border: 3px solid var(--mhw-brown-light);
  border-radius: 12px;
  padding: 4rem 2rem;
  text-align: center;
  color: #888;
  font-size: 2rem;
  line-height: 1.8;
}

/* ========================================
   Features Section
======================================== */
.features-section {
  padding: 4rem 2rem;
  background: var(--mhw-brown-dark);
}

.section-container {
  max-width: 1200px;
  margin: 0 auto;
}

.section-title {
  color: var(--mhw-orange);
  text-align: center;
  font-size: 2.5rem;
  margin: 0 0 2rem 0;
}

.section-description {
  text-align: center;
  color: var(--mhw-text-muted);
  font-size: 1.2rem;
  margin: 0 0 3rem 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.feature-card {
  background: var(--mhw-brown);
  border: 2px solid var(--mhw-brown-light);
  border-radius: 12px;
  padding: 2rem;
  text-align: center;
  transition: all 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 24px rgba(233, 69, 96, 0.3);
  border-color: var(--mhw-orange);
}

.feature-icon {
  font-size: 3.5rem;
  margin-bottom: 1rem;
}

.feature-card h3 {
  color: var(--mhw-text);
  margin: 0 0 1rem 0;
  font-size: 1.3rem;
}

.feature-card p {
  color: var(--mhw-text-muted);
  margin: 0;
  line-height: 1.6;
}

/* ========================================
   Pricing Section
======================================== */
.pricing-section {
  padding: 4rem 2rem;
  background: linear-gradient(135deg, var(--mhw-brown-dark) 0%, var(--mhw-brown-dark) 100%);
}

.pricing-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  max-width: 1000px;
  margin: 0 auto;
}

.pricing-card {
  background: var(--mhw-brown);
  border: 2px solid var(--mhw-brown-light);
  border-radius: 12px;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all 0.3s ease;
}

.pricing-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 24px rgba(233, 69, 96, 0.3);
  border-color: var(--mhw-orange);
}

.pricing-card.recommended {
  border-color: var(--mhw-orange);
  border-width: 3px;
  box-shadow: 0 8px 16px rgba(233, 69, 96, 0.2);
}

.pricing-badge {
  position: absolute;
  top: -12px;
  right: 20px;
  background: linear-gradient(135deg, var(--mhw-orange) 0%, var(--mhw-gold) 100%);
  color: white;
  padding: 0.4rem 1rem;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: bold;
}

.pricing-header {
  text-align: center;
  margin-bottom: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--mhw-brown-light);
}

.pricing-header h3 {
  color: var(--mhw-text);
  margin: 0 0 1rem 0;
  font-size: 1.5rem;
}

.pricing-price {
  margin: 1rem 0;
}

.price-amount {
  color: var(--mhw-orange);
  font-size: 3rem;
  font-weight: bold;
}

.pricing-features {
  list-style: none;
  padding: 0;
  margin: 0 0 2rem 0;
  flex: 1;
}

.pricing-features li {
  color: var(--mhw-text-muted);
  padding: 0.8rem 0;
  border-bottom: 1px solid rgba(15, 52, 96, 0.3);
}

.btn-pricing {
  width: 100%;
  padding: 1rem;
  background: rgba(15, 52, 96, 0.6);
  color: var(--mhw-text);
  border: 1px solid var(--mhw-brown-light);
  border-radius: 8px;
  text-decoration: none;
  text-align: center;
  font-weight: 600;
  transition: all 0.3s ease;
  display: block;
}

.btn-pricing:hover {
  background: rgba(15, 52, 96, 0.8);
  border-color: var(--mhw-orange);
}

.btn-pricing.primary {
  background: var(--mhw-orange);
  border-color: var(--mhw-orange);
}

.btn-pricing.primary:hover {
  background: var(--mhw-gold);
  transform: scale(1.05);
}

/* ========================================
   How It Works Section
======================================== */
.how-section {
  padding: 4rem 2rem;
  background: var(--mhw-brown-dark);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.step-card {
  background: var(--mhw-brown);
  border: 2px solid var(--mhw-brown-light);
  border-radius: 12px;
  padding: 2rem;
  text-align: center;
  position: relative;
  transition: all 0.3s ease;
}

.step-card:hover {
  transform: translateY(-4px);
  border-color: var(--mhw-orange);
}

.step-number {
  width: 50px;
  height: 50px;
  background: var(--mhw-orange);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: bold;
  margin: 0 auto 1rem auto;
}

.step-card h3 {
  color: var(--mhw-text);
  margin: 0 0 1rem 0;
  font-size: 1.3rem;
}

.step-card p {
  color: var(--mhw-text-muted);
  margin: 0;
  line-height: 1.6;
}

/* ========================================
   CTA Section
======================================== */
.cta-section {
  padding: 4rem 2rem;
  background: linear-gradient(135deg, var(--mhw-orange) 0%, var(--mhw-gold) 100%);
  text-align: center;
}

.cta-container {
  max-width: 800px;
  margin: 0 auto;
}

.cta-container h2 {
  color: white;
  font-size: 2.5rem;
  margin: 0 0 1rem 0;
}

.cta-container p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.2rem;
  margin: 0 0 2rem 0;
}

.btn-cta-large {
  background: white;
  color: var(--mhw-orange);
  padding: 1rem 2.5rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.1rem;
  display: inline-block;
  transition: all 0.3s ease;
}

.btn-cta-large:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
}

/* ========================================
   Landing Footer
======================================== */
.landing-footer {
  background: var(--mhw-brown-dark);
  padding: 3rem 2rem 2rem 2rem;
  border-top: 2px solid var(--mhw-brown-light);
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--mhw-brown-light);
}

.footer-section h4 {
  color: var(--mhw-orange);
  margin: 0 0 1rem 0;
  font-size: 1.1rem;
}

.footer-section p {
  color: var(--mhw-text-muted);
  margin: 0;
  line-height: 1.6;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: 0.5rem;
}

.footer-links a {
  color: var(--mhw-text-muted);
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-links a:hover {
  color: var(--mhw-orange);
}

.footer-bottom {
  text-align: center;
  color: #888;
}

.footer-bottom p {
  margin: 0.5rem 0;
}

.footer-disclaimer {
  font-size: 0.85rem;
  line-height: 1.6;
}

/* ========================================
   Responsive Design
======================================== */
@media (max-width: 768px) {
  .header-container {
    flex-direction: column;
    gap: 1rem;
  }

  .header-nav {
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
  }

  .hero-section {
    padding: 4rem 1rem;
  }

  .hero-container {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .hero-title {
    font-size: 2rem;
  }

  .hero-subtitle {
    font-size: 1.8rem;
  }

  .hero-description {
    font-size: 1rem;
  }

  .hero-buttons {
    flex-direction: column;
  }

  .features-section,
  .pricing-section,
  .how-section {
    padding: 4rem 1rem;
  }

  .section-title {
    font-size: 2rem;
  }

  .features-grid,
  .pricing-cards,
  .steps-grid {
    grid-template-columns: 1fr;
  }

  .cta-section {
    padding: 4rem 1rem;
  }

  .cta-container h2 {
    font-size: 2rem;
  }

  .footer-content {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 1.5rem;
  }

  .hero-subtitle {
    font-size: 1.3rem;
  }

  .section-title {
    font-size: 1.5rem;
  }

  .cta-container h2 {
    font-size: 1.5rem;
  }

  .btn-hero-primary,
  .btn-hero-secondary,
  .btn-cta-large {
    font-size: 1rem;
    padding: 0.9rem 1.5rem;
  }
}