/* Base styles */
:root {
  --color-primary: #000000;
  --color-secondary: #666666;
  --color-background: #ffffff;
  --color-gray: #f3f3f3;
  --color-accent: #737373;
  --font-primary: 'Noto Sans JP', sans-serif;
  --font-decorative: 'Oooh Baby', cursive;
}

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

body {
  font-family: var(--font-primary);
  font-weight: 500;
  line-height: 1.2;
  color: var(--color-primary);
  background-color: var(--color-background);
}

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

/* Hero Section */
.hero {
  text-align: center;
  padding: 60px 0;
}

.hero-title {
  font-size: 15px;
  margin-bottom: 10px;
}

.hero-subtitle {
  font-size: 24px;
  margin-bottom: 20px;
}

.hero-catchphrase {
  font-family: var(--font-decorative);
  font-size: 48px;
  font-weight: 400;
}

/* Message Section */
.message-section {
  padding: 60px 0;
}

.section-title {
  font-size: 32px;
  margin-bottom: 40px;
}

.message-name {
  font-size: 16px;
  text-align: center;
  margin-bottom: 20px;
}

.message-content {
  display: flex;
  gap: 16px;
  margin-bottom: 30px;
}

.gm-messages {
  display: grid;
  gap: 60px;
  margin-top: 60px;
}

/* Message Section Additional Styles */
.profile-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 8px;
}

.message-image {
  width: 100%;
  max-width: 300px;
  aspect-ratio: 3/4;
  background-color: var(--color-gray);
  border-radius: 8px;
  overflow: hidden;
}

.social-links {
  display: flex;
  gap: 20px;
  margin-top: 16px;
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--color-background);
  transition: transform 0.3s;
}

.social-link:hover {
  transform: scale(1.1);
}

.social-icon,
.brand-icon {
  width: 24px;
  height: 24px;
}

/* Campaign Section */
.campaign-section {
  padding: 60px 0;
  background-color: var(--color-gray);
}

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

.campaign-label {
  font-size: 15px;
  margin-bottom: 10px;
}

.campaign-title {
  font-size: 15px;
  margin-bottom: 27px;
}

.campaign-prize {
  font-size: 44px;
  margin-bottom: 19px;
}

.campaign-period {
  font-size: 13.5px;
  margin-bottom: 10px;
}

.campaign-description {
  font-size: 15px;
}

/* Brand Section */
.brand-section {
  padding: 80px 0;
}

.section-subtitle {
  font-size: 15px;
  margin-bottom: 40px;
}

.brand-cards {
  display: grid;
  gap: 80px;
}

.brand-card {
  background: var(--color-background);
  border-radius: 6px;
  padding: 22px;
  animation: fadeIn 0.6s ease-out;
}

.brand-card:nth-child(2) {
  animation-delay: 0.2s;
}

.brand-card:nth-child(3) {
  animation-delay: 0.4s;
}

.brand-card:nth-child(4) {
  animation-delay: 0.6s;
}

.brand-header {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 22px;
}

.brand-titles {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.brand-type,
.brand-name {
  font-size: 15px;
}

.brand-image {
  width: 100%;
  margin-bottom: 22px;
  aspect-ratio: 16/9;
  background-color: var(--color-gray);
}

.brand-description {
  font-size: 15px;
  margin-bottom: 22px;
  text-align: justify;
}

.brand-actions {
  display: flex;
  gap: 20px;
}

.btn {
  flex: 1;
  padding: 10px 20px;
  text-align: center;
  text-decoration: none;
  border-radius: 6px;
  font-size: 15px;
  transition: opacity 0.3s;
}

.btn:hover {
  opacity: 0.8;
}

.btn-primary {
  background-color: var(--color-accent);
  color: var(--color-background);
}

.btn-secondary {
  background-color: var(--color-background);
  color: var(--color-accent);
  border: 1px solid var(--color-accent);
}

/* Brand Section Additional Styles */
.logo-image {
  width: 60px;
  height: 60px;
  object-fit: contain;
}

.brand-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 6px;
}

/* Coming Soon Section */
.coming-soon-section {
  padding: 60px 0;
  background-color: var(--color-gray);
}

.coming-soon-content {
  text-align: center;
  padding: 20px 100px;
}

.coming-soon-title {
  font-size: 15px;
  margin-bottom: 10px;
}

.coming-soon-text {
  font-size: 32px;
  margin-bottom: 10px;
}

.coming-soon-date {
  font-size: 15px;
  padding: 0 10px;
  display: inline-block;
}

/* Footer */
.footer {
  padding: 60px 0;
  background-color: var(--color-background);
}

.footer-brands {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
  margin-bottom: 40px;
}

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

.company-name {
  font-size: 15px;
  margin-bottom: 20px;
}

.copyright {
  font-size: 10px;
}

/* Footer Additional Styles */
.footer-logo {
  width: 80px;
  height: 80px;
  object-fit: contain;
  opacity: 0.8;
  transition: opacity 0.3s;
}

.footer-logo:hover {
  opacity: 1;
}

/* Animation Styles */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Additional Responsive Styles */
@media (max-width: 768px) {
  .container {
    padding: 0 15px;
  }

  .hero-catchphrase {
    font-size: 36px;
  }

  .message-content {
    flex-direction: column;
  }

  .brand-cards {
    gap: 40px;
  }

  .coming-soon-content {
    padding: 20px;
  }

  .footer-brands {
    justify-content: center;
  }

  .social-links {
    justify-content: center;
  }

  .message-image {
    max-width: 100%;
  }

  .footer-logo {
    width: 60px;
    height: 60px;
  }
}

@media (max-width: 480px) {
  .hero-subtitle {
    font-size: 20px;
  }

  .section-title {
    font-size: 24px;
  }

  .campaign-prize {
    font-size: 32px;
  }

  .brand-actions {
    flex-direction: column;
  }

  .brand-header {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .brand-titles {
    align-items: center;
  }

  .social-icon,
  .brand-icon {
    width: 20px;
    height: 20px;
  }
}