:root {
  --color-bg: #FAFAF8;
  --color-surface: #FFFFFF;
  --color-primary: #4A90A4;
  --color-primary-dark: #357085;
  --color-accent: #F7C5B0;
  --color-text: #2D2D2D;
  --color-text-muted: #6B6B6B;
  --color-border: #E8E4DF;
  --color-section-alt: #F0EDE8;
  
  --spacing-xs: 8px;
  --spacing-sm: 12px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-2xl: 48px;
  
  --radius: 8px;
  --radius-lg: 12px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  font-size: 16px;
  font-weight: 400;
}

h1 {
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: var(--spacing-md);
}

h2 {
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: var(--spacing-lg);
  text-align: center;
}

h3 {
  font-size: 1.3rem;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

p {
  margin-bottom: var(--spacing-md);
  color: var(--color-text);
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--color-primary-dark);
}

header {
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: var(--spacing-lg) var(--spacing-xl);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo-section {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.logo-section img {
  width: 48px;
  height: 48px;
}

.brand-name {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
}

nav a {
  margin-left: var(--spacing-lg);
  font-size: 0.95rem;
  color: var(--color-text);
  font-weight: 500;
}

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

.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 var(--spacing-xl);
}

main {
  min-height: calc(100vh - 200px);
  padding: var(--spacing-2xl) 0;
}

.policy-section {
  margin-bottom: var(--spacing-2xl);
}

.policy-section h3 {
  color: var(--color-primary);
}

.policy-section ol, .policy-section ul {
  margin-left: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

.policy-section li {
  margin-bottom: var(--spacing-sm);
  line-height: 1.7;
}

footer {
  background-color: var(--color-text);
  color: var(--color-surface);
  padding: var(--spacing-xl);
  margin-top: var(--spacing-2xl);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.footer-section h4 {
  margin-bottom: var(--spacing-md);
  font-size: 1rem;
  color: var(--color-surface);
}

.footer-section a {
  display: block;
  margin-bottom: var(--spacing-sm);
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.95rem;
}

.footer-section a:hover {
  color: var(--color-accent);
}

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

.footer-section ul li {
  margin-bottom: var(--spacing-sm);
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.95rem;
}

.footer-section ul li a {
  display: inline;
  margin-bottom: 0;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.footer-logo img {
  width: 36px;
  height: 36px;
}

.footer-brand {
  font-weight: 700;
  font-size: 1rem;
  color: var(--color-surface);
}

.footer-bottom {
  text-align: center;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  padding-top: var(--spacing-lg);
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.7);
}

#cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-lg);
  box-shadow: 0 -2px 12px rgba(0, 0, 0, 0.15);
  z-index: 1000;
  display: none;
  flex-direction: column;
  gap: var(--spacing-md);
}

#cookie-banner.show {
  display: flex;
}

#cookie-banner.hidden {
  display: none;
}

#cookie-banner-main {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-lg);
}

.cookie-content {
  flex: 1;
}

.cookie-title {
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: var(--spacing-xs);
}

.cookie-description {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-xs);
}

.cookie-policy-link {
  font-size: 0.85rem;
  color: var(--color-primary);
  text-decoration: underline;
}

.cookie-buttons {
  display: flex;
  gap: var(--spacing-md);
  flex-shrink: 0;
  flex-wrap: wrap;
}

.cookie-buttons button {
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  background-color: transparent;
  color: var(--color-text);
  font-weight: 600;
  cursor: pointer;
  font-size: 0.9rem;
}

.cookie-buttons button:hover {
  background-color: var(--color-section-alt);
}

.cookie-buttons button.accept {
  background-color: var(--color-primary);
  color: var(--color-surface);
  border: none;
}

.cookie-buttons button.accept:hover {
  background-color: var(--color-primary-dark);
}

#cookie-customization {
  display: none;
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--spacing-lg);
}

.cookie-option {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.cookie-option:last-child {
  margin-bottom: 0;
}

.cookie-option input[type="checkbox"] {
  width: 20px;
  height: 20px;
  cursor: pointer;
}

.cookie-option label {
  cursor: pointer;
  flex: 1;
}

.cookie-option label strong {
  display: block;
  margin-bottom: 4px;
}

.cookie-option label span {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

@media (max-width: 768px) {
  h1 {
    font-size: 1.8rem;
  }

  h2 {
    font-size: 1.5rem;
  }

  header {
    flex-direction: column;
    gap: var(--spacing-md);
  }

  nav a {
    margin-left: var(--spacing-md);
    font-size: 0.85rem;
  }

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

  #cookie-banner {
    flex-direction: column;
    align-items: flex-start;
  }

  .cookie-buttons {
    width: 100%;
    flex-direction: column;
  }

  .cookie-buttons button {
    width: 100%;
  }
}