:root {
  /* Sundrug Theme Colors */
  --color-primary: #d32f2f; /* Sundrug Red */
  --color-primary-light: #ff6659;
  --color-primary-dark: #9a0007;
  --color-secondary: #1976d2; /* Trustworthy Blue */
  --color-secondary-light: #e3f2fd;
  
  --color-bg-main: #ffffff;
  --color-bg-alt: #f5f7fa;
  
  --color-text-main: #333333;
  --color-text-light: #666666;
  --color-text-white: #ffffff;

  --font-family: 'Inter', 'Noto Sans JP', sans-serif;
  --font-size-base: 16px;
  --font-size-sm: 0.875rem;
  --font-size-md: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.5rem;
  --font-size-xxl: 2.25rem;

  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;

  --border-radius: 12px;
  --box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
  --box-shadow-hover: 0 15px 40px rgba(0, 0, 0, 0.1);
  --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  color: var(--color-text-main);
  background-color: var(--color-bg-main);
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: inherit;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.text-center {
  text-align: center;
}

/* ==================================
   PR Badge (Legal Compliance)
================================== */
.pr-badge {
  background-color: #f1f1f1;
  color: #757575;
  text-align: center;
  font-size: 12px;
  padding: 6px 0;
  position: relative;
  z-index: 1001;
  width: 100%;
}

/* ==================================
   Header & Navigation
================================== */
.header {
  position: sticky;
  top: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: 1000;
  border-bottom: 1px solid rgba(0,0,0,0.05);
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--color-secondary);
}

.logo-icon {
  background: var(--color-primary);
  color: white;
  width: 35px;
  height: 35px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.nav-links {
  display: none;
  gap: 30px;
}

.nav-links a {
  font-weight: 500;
  color: var(--color-text-main);
  transition: var(--transition);
}

.nav-links a:hover {
  color: var(--color-primary);
}

.nav-cta {
  display: none;
}

.nav-cta-btn {
  background-color: var(--color-primary);
  color: white;
  padding: 8px 24px;
  border-radius: 30px;
  font-weight: 600;
  transition: var(--transition);
}

.nav-cta-btn:hover {
  background-color: var(--color-primary-dark);
  color: white;
  transform: translateY(-2px);
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 25px;
  height: 18px;
  background: transparent;
  border: none;
  cursor: pointer;
  z-index: 1002;
}

.menu-toggle span {
  width: 100%;
  height: 2px;
  background-color: var(--color-text-main);
  transition: var(--transition);
}

.menu-toggle.active span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}
.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}
.menu-toggle.active span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

.mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 80%;
  height: 100vh;
  background-color: white;
  z-index: 1000;
  transition: var(--transition);
  box-shadow: -10px 0 30px rgba(0,0,0,0.1);
  padding-top: 100px;
}

.mobile-menu.active {
  right: 0;
}

.mobile-menu-links {
  display: flex;
  flex-direction: column;
  padding: 0 30px;
  gap: 25px;
}

.mobile-menu-links a {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text-main);
}

.mobile-cta-btn {
  background-color: var(--color-primary);
  color: white !important;
  text-align: center;
  padding: 12px 0;
  border-radius: 8px;
  margin-top: 20px;
}

/* ==================================
   Hero Section
================================== */
.hero {
  padding: var(--space-md) 0 var(--space-lg);
  background: linear-gradient(135deg, var(--color-secondary-light) 0%, #ffffff 100%);
  overflow: hidden;
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  align-items: center;
}

.hero-text {
  text-align: center;
}

.hero-badge {
  display: inline-block;
  background-color: rgba(211, 47, 47, 0.1);
  color: var(--color-primary);
  padding: 6px 16px;
  border-radius: 20px;
  font-size: var(--font-size-sm);
  font-weight: 700;
  margin-bottom: 20px;
}

.hero-title {
  font-size: 2.2rem;
  line-height: 1.3;
  margin-bottom: 20px;
  color: var(--color-secondary);
  font-weight: 800;
}

.highlight {
  position: relative;
  display: inline-block;
  color: var(--color-primary);
}

.hero-description {
  font-size: var(--font-size-md);
  color: var(--color-text-light);
  margin-bottom: 30px;
}

.hero-actions {
  display: flex;
  flex-direction: column;
  gap: 15px;
  align-items: center;
}

.btn-primary, .btn-secondary {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  padding: 16px 32px;
  border-radius: 50px;
  font-size: 1.1rem;
  font-weight: 700;
  width: 100%;
  max-width: 350px;
  transition: var(--transition);
  box-shadow: 0 4px 15px rgba(211, 47, 47, 0.2);
}

.btn-primary {
  background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: white;
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(211, 47, 47, 0.4);
}

.btn-secondary {
  background-color: white;
  color: var(--color-secondary);
  border: 2px solid var(--color-secondary-light);
  box-shadow: none;
}

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

.hero-image {
  position: relative;
  width: 100%;
  max-width: 600px;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--box-shadow);
}

.hero-image img {
  width: 100%;
}

/* ==================================
   Features Section
================================== */
.features {
  padding: var(--space-xl) 0;
  background-color: var(--color-bg-main);
}

.section-label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: var(--color-secondary);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 10px;
}

.section-title {
  font-size: var(--font-size-xl);
  font-weight: 800;
  margin-bottom: 20px;
  color: var(--color-text-main);
}

.section-subtitle {
  font-size: var(--font-size-md);
  color: var(--color-text-light);
  margin-bottom: var(--space-lg);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  word-break: keep-all;
}

.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
}

.feature-card {
  background-color: var(--color-bg-alt);
  padding: 40px 30px;
  border-radius: var(--border-radius);
  text-align: center;
  transition: var(--transition);
  border: 1px solid transparent;
}

.feature-card:hover {
  transform: translateY(-10px);
  background-color: white;
  border-color: var(--color-secondary-light);
  box-shadow: var(--box-shadow-hover);
}

.feature-icon {
  font-size: 3rem;
  margin-bottom: 20px;
  color: var(--color-secondary);
}

.feature-title {
  font-size: var(--font-size-lg);
  margin-bottom: 15px;
  font-weight: 700;
}

.feature-description {
  color: var(--color-text-light);
  font-size: 0.95rem;
}

/* ==================================
   Products Gallery
================================== */
.gallery {
  padding: var(--space-lg) 0;
  background-color: var(--color-bg-alt);
}

.products-image {
  max-width: 800px;
  margin: 0 auto;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--box-shadow);
}

/* ==================================
   Benefits List (Why Buy Here)
================================== */
.benefits {
  padding: var(--space-xl) 0;
}

.benefits-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.benefit-item {
  display: flex;
  gap: 20px;
  margin-bottom: 30px;
  align-items: flex-start;
}

.benefit-check {
  background-color: #e8f5e9;
  color: #2e7d32;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  flex-shrink: 0;
  margin-top: 5px;
}

.benefit-item h4 {
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.benefit-item p {
  color: var(--color-text-light);
  font-size: 0.95rem;
}

/* ==================================
   Affiliate Banner Area
================================== */
.affiliate-banner {
  margin: var(--space-lg) auto;
  max-width: 728px;
  text-align: center;
  background-color: var(--color-bg-alt);
  border: 2px dashed #ccc;
  border-radius: var(--border-radius);
  overflow: hidden;
}

.affiliate-banner img {
  margin: 0 auto;
}

/* ==================================
   FAQ
================================== */
.faq {
  padding: var(--space-xl) 0;
  background-color: var(--color-bg-alt);
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
  text-align: left;
}

.faq-item {
  background-color: white;
  border-radius: var(--border-radius);
  margin-bottom: 15px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.02);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  padding: 20px 25px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: none;
  border: none;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-text-main);
  cursor: pointer;
}

.faq-icon {
  font-size: 1.5rem;
  color: var(--color-primary);
  transition: transform 0.3s ease;
}

.faq-question[aria-expanded="true"] .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.faq-answer-inner {
  padding: 0 25px 20px;
  color: var(--color-text-light);
}

/* ==================================
   CTA & Footer
================================== */
.cta {
  padding: var(--space-xl) 0;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: white;
  text-align: center;
}

.cta h2 {
  font-size: 2rem;
  margin-bottom: 15px;
}

.cta p {
  margin-bottom: 30px;
  font-size: 1.1rem;
  opacity: 0.9;
}

.btn-white {
  display: inline-flex;
  padding: 16px 40px;
  background-color: white;
  color: var(--color-primary);
  border-radius: 50px;
  font-weight: 700;
  font-size: 1.1rem;
  transition: var(--transition);
}

.btn-white:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(0,0,0,0.2);
}

.footer {
  background-color: #222;
  color: white;
  padding: 60px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand p {
  margin-top: 15px;
  color: #aaa;
  font-size: 0.9rem;
}

.footer-heading {
  font-size: 1.1rem;
  margin-bottom: 20px;
  font-weight: 600;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  color: #aaa;
  font-size: 0.95rem;
}

.footer-links a:hover {
  color: white;
}

.footer-bottom {
  text-align: center;
  padding-top: 30px;
  border-top: 1px solid #444;
  color: #888;
  font-size: 0.85rem;
}

.footer-legal {
  margin-top: 15px;
  line-height: 1.6;
}

/* ==================================
   Animations
================================== */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }

/* ==================================
   Comparison Table & Ranking List
================================== */
.table-responsive {
  overflow-x: auto;
  margin-top: 30px;
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  background: white;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.comparison-table th, .comparison-table td {
  padding: 15px 20px;
  text-align: left;
  border-bottom: 1px solid #eee;
}

.comparison-table th {
  background-color: var(--color-secondary);
  color: white;
  font-weight: 600;
  text-align: center;
}

.comparison-table td:first-child {
  font-weight: 600;
  background-color: #fafafa;
}

.ranking-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
  max-width: 800px;
  margin: 0 auto;
}

.ranking-item {
  background: white;
  border-radius: var(--border-radius);
  padding: 25px;
  display: flex;
  gap: 20px;
  align-items: flex-start;
  box-shadow: var(--box-shadow);
  transition: var(--transition);
}

.ranking-item:hover {
  transform: translateX(5px);
  box-shadow: var(--box-shadow-hover);
}

.ranking-badge {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: white;
  width: 45px;
  height: 45px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 800;
  border-radius: 50%;
  flex-shrink: 0;
}

.ranking-content h3 {
  font-size: 1.2rem;
  margin-bottom: 10px;
  color: var(--color-text-main);
}

.ranking-content p {
  color: var(--color-text-light);
  font-size: 0.95rem;
}

/* ==================================
   Media Queries (Responsive)
================================== */
@media (min-width: 768px) {
  .hero {
    padding: var(--space-xl) 0;
  }
  
  .hero-content {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
  
  .hero-text {
    text-align: left;
    flex: 1;
  }
  
  .hero-title {
    font-size: 3rem;
  }
  
  .hero-actions {
    flex-direction: row;
    justify-content: flex-start;
  }
  
  .btn-primary, .btn-secondary {
    width: auto;
    padding: 16px 40px;
  }

  .hero-image {
    flex: 1;
    margin-left: 40px;
  }

  .features-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .benefits-content {
    flex-direction: row;
    align-items: center;
  }

  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }
}

@media (min-width: 1024px) {
  .menu-toggle {
    display: none;
  }

  .nav-links {
    display: flex;
  }

  .nav-cta {
    display: block;
  }
}