:root {
  --primary: #E8A9A9;
  --primary-dark: #D88A8A;
  --secondary: #1a2a3a;
  --secondary-light: #2d3f4e;
  --accent: #8B7F6F;
  --background: #F5F1E8;
  --text-dark: #1a1a1a;
  --text-light: #666666;
  --border: #E0D5C7;
  --spacing-unit: 1rem;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Noto Sans JP', 'Helvetica Neue', sans-serif;
  background-color: var(--background);
  color: var(--text-dark);
  line-height: 1.6;
}

h1 {
  font-size: 3.5rem;
  font-weight: 700;
  line-height: 1.2;
  color: var(--secondary);
  margin-bottom: calc(var(--spacing-unit) * 1.5);
}

h2 {
  font-size: 2.5rem;
  font-weight: 600;
  color: var(--secondary);
  margin-bottom: calc(var(--spacing-unit) * 1.25);
}

h3 {
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--secondary);
  margin-bottom: calc(var(--spacing-unit) * 0.75);
}

p {
  font-size: 1.125rem;
  color: var(--text-light);
  margin-bottom: calc(var(--spacing-unit) * 0.75);
}

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

a:hover {
  color: var(--secondary);
}

header {
  background-color: white;
  border-bottom: 1px solid var(--border);
  padding: calc(var(--spacing-unit) * 1.5) calc(var(--spacing-unit) * 2);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo-container {
  display: flex;
  align-items: center;
  gap: calc(var(--spacing-unit) * 0.75);
}

.logo-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.brand-name {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--secondary);
  letter-spacing: 0.5px;
}

footer {
  background-color: var(--secondary);
  color: white;
  padding: calc(var(--spacing-unit) * 3) calc(var(--spacing-unit) * 2);
  text-align: center;
  border-top: 4px solid var(--primary);
}

footer p {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: calc(var(--spacing-unit) * 0.5);
  font-size: 1rem;
}

footer a {
  color: var(--primary);
}

.copyright {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.6);
  margin-top: calc(var(--spacing-unit) * 1.5);
}

section {
  padding: calc(var(--spacing-unit) * 4) calc(var(--spacing-unit) * 2);
}

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

.hero {
  background: linear-gradient(135deg, #fff9f7 0%, #f5f1e8 100%);
  padding: calc(var(--spacing-unit) * 6) calc(var(--spacing-unit) * 2);
  text-align: center;
}

.hero h1 {
  font-size: 4rem;
  margin-bottom: calc(var(--spacing-unit) * 1);
}

.hero .subtitle {
  font-size: 1.5rem;
  color: var(--text-light);
  margin-bottom: calc(var(--spacing-unit) * 2);
}

.btn {
  display: inline-block;
  padding: calc(var(--spacing-unit) * 0.75) calc(var(--spacing-unit) * 1.5);
  border-radius: 4px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: background-color 0.2s ease;
}

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

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

.btn-secondary {
  background-color: var(--secondary);
  color: white;
}

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

.btn-outline {
  background-color: transparent;
  color: var(--primary-dark);
  border: 2px solid var(--primary-dark);
}

.btn-outline:hover {
  background-color: var(--primary);
  color: white;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: calc(var(--spacing-unit) * 2);
  align-items: center;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: calc(var(--spacing-unit) * 2);
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: calc(var(--spacing-unit) * 2);
}

.card {
  background-color: white;
  border-radius: 8px;
  padding: calc(var(--spacing-unit) * 2);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  transition: box-shadow 0.2s ease;
}

.card:hover {
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.card h3 {
  margin-bottom: calc(var(--spacing-unit) * 1);
}

.card p {
  margin-bottom: calc(var(--spacing-unit) * 1);
}

.card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  display: block;
  border-radius: 8px;
  margin-bottom: calc(var(--spacing-unit) * 1);
}

.photo-placeholder {
  background: linear-gradient(135deg, #E0D5C7 0%, #C9B8A8 100%);
  width: 100%;
  height: 250px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
  font-size: 0.95rem;
  text-align: center;
  margin-bottom: calc(var(--spacing-unit) * 1.5);
  position: relative;
}

.photo-placeholder::before {
  content: '📷';
  position: absolute;
  font-size: 2rem;
  opacity: 0.5;
}

.icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
}

.icon svg {
  width: 100%;
  height: 100%;
}

.section-light {
  background-color: white;
}

.section-accent {
  background-color: #fef9f7;
}

.section-title {
  text-align: center;
  margin-bottom: calc(var(--spacing-unit) * 3);
}

.section-title h2 {
  margin-bottom: calc(var(--spacing-unit) * 0.5);
}

.section-title p {
  font-size: 1.25rem;
  color: var(--text-light);
}

.contact-info {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: calc(var(--spacing-unit) * 2);
}

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

.contact-item .icon {
  width: 48px;
  height: 48px;
  margin: 0 auto calc(var(--spacing-unit) * 1);
  color: var(--primary);
}

.contact-item h3 {
  font-size: 1.25rem;
  margin-bottom: calc(var(--spacing-unit) * 0.5);
}

.contact-item p {
  word-break: break-word;
}

.product-card {
  background-color: white;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  transition: box-shadow 0.2s ease;
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.product-image {
  width: 100%;
  height: 200px;
  background: linear-gradient(135deg, #E0D5C7 0%, #C9B8A8 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
  font-size: 0.9rem;
  position: relative;
}

.product-image::before {
  content: '📷';
  position: absolute;
  font-size: 2rem;
  opacity: 0.5;
}

.product-info {
  padding: calc(var(--spacing-unit) * 1.5);
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.product-info h3 {
  margin-bottom: calc(var(--spacing-unit) * 0.5);
}

.product-info p {
  margin-bottom: calc(var(--spacing-unit) * 1);
  flex-grow: 1;
}

.product-info .btn {
  align-self: flex-start;
}

@media (max-width: 768px) {
  h1 {
    font-size: 2.5rem;
  }

  h2 {
    font-size: 1.75rem;
  }

  h3 {
    font-size: 1.25rem;
  }

  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

  .contact-info {
    grid-template-columns: 1fr;
  }

  header {
    padding: calc(var(--spacing-unit) * 1) calc(var(--spacing-unit) * 1.5);
  }

  section {
    padding: calc(var(--spacing-unit) * 2) calc(var(--spacing-unit) * 1.5);
  }

  .hero {
    padding: calc(var(--spacing-unit) * 3) calc(var(--spacing-unit) * 1.5);
  }

  .hero h1 {
    font-size: 2rem;
  }
}

@media (max-width: 480px) {
  h1 {
    font-size: 1.75rem;
  }

  h2 {
    font-size: 1.25rem;
  }

  h3 {
    font-size: 1rem;
  }

  .brand-name {
    font-size: 1.2rem;
  }

  .contact-info {
    grid-template-columns: 1fr;
  }
}