/* カスタムプロパティ */
:root {
  /* カラー */
  --primary-color: #8B4513;
  --primary-color-light: rgba(139, 69, 19, 0.1);
  --secondary-color: #D2B48C;
  --text-color: #333;
  --text-color-light: #666;
  --background-color: #fff;
  --background-muted: #f8f9fa;
  --border-color: #e5e7eb;
  
  /* タイポグラフィ */
  --font-family: 'Noto Serif JP', serif;
  --font-size-base: 16px;
  --font-size-sm: 0.875rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.5rem;
  --font-size-2xl: 2rem;
  
  /* スペーシング */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  
  /* ボーダー */
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 16px;
  
  /* シャドウ */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  
  /* トランジション */
  --transition-base: all 0.3s ease;
}

/* リセットとベーススタイル */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: var(--font-size-base);
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  line-height: 1.6;
  color: var(--text-color);
  background-color: var(--background-color);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* アクセシビリティ */
.skip-link {
  position: absolute;
  top: 0;
  left: 0;
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--primary-color);
  color: var(--background-color);
  text-decoration: none;
  transform: translateY(-100%);
  transition: var(--transition-base);
}

.skip-link:focus {
  transform: translateY(0);
}

/* コンテナ */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* セクション */
.section-padding {
  padding: var(--spacing-xl) 0;
}

/* ボタン */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius-md);
  font-weight: 500;
  text-decoration: none;
  transition: var(--transition-base);
  cursor: pointer;
}

.primary-button {
  background-color: var(--primary-color);
  color: var(--background-color);
  border: 2px solid var(--primary-color);
}

.primary-button:hover {
  background-color: transparent;
  color: var(--primary-color);
}

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

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

/* ヘッダー */
.header {
  position: sticky;
  top: 0;
  background-color: var(--background-color);
  box-shadow: var(--shadow-sm);
  z-index: 100;
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4rem;
}

.logo a {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--primary-color);
  text-decoration: none;
}

/* メインナビゲーション */
.main-nav ul {
  display: flex;
  gap: var(--spacing-md);
  list-style: none;
}

.main-nav a {
  color: var(--text-color);
  text-decoration: none;
  transition: var(--transition-base);
}

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

/* モバイルメニュー */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
}

.mobile-menu {
  position: fixed;
  top: 0;
  right: 0;
  width: 100%;
  max-width: 400px;
  height: 100vh;
  background: var(--background-color);
  transform: translateX(100%);
  transition: var(--transition-base);
  z-index: 100;
}

.mobile-menu.active {
  transform: translateX(0);
}

/* メディアクエリ */
@media (max-width: 768px) {
  .main-nav {
    display: none;
  }
  
  .mobile-menu-toggle {
    display: block;
  }
  
  .mobile-menu {
    display: block;
  }
}

/* ベース設定 */
:root {
  --primary: #d4a373;
  --primary-dark: #b08b5e;
  --secondary: #faedcd;
  --text: #333333;
  --text-light: #666666;
  --background: #ffffff;
  --border: #e5e7eb;
  --radius: 0.5rem;
  --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --transition: all 0.3s ease;
  --secondary-color: #D2B48C;
  --accent-color: #FFD700;
  --success-color: #4CAF50;
  --error-color: #f44336;
  --font-size-base: 16px;
  --line-height-base: 1.6;
  --spacing-unit: 8px;
  --border-radius: 4px;
}

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

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  color: var(--text);
  background-color: var(--background);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-family);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: var(--spacing-unit);
}

p {
  font-family: var(--font-family);
  margin-bottom: var(--spacing-unit);
}

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

a {
  font-family: var(--font-family);
  color: var(--primary-color);
  text-decoration: none;
  transition: var(--transition);
}

ul {
  list-style: none;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

.section-padding {
  padding: 4rem 0;
}

@media (min-width: 768px) {
  .section-padding {
    padding: 6rem 0;
  }
}

.bg-muted {
  background-color: var(--background-muted);
}

/* ヘッダー */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  width: 100%;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4rem;
}

.logo {
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.025em;
}

.main-nav {
  display: none;
}

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

.header-actions {
  display: none;
}

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

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

.mobile-menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

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

.mobile-menu nav {
  padding: 1.5rem;
}

.mobile-menu ul {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.mobile-menu a {
  display: block;
  font-size: 1.125rem;
  font-weight: 500;
  padding: 0.5rem 0;
}

@media (min-width: 768px) {
  .main-nav, .header-actions {
    display: flex;
  }
  
  .mobile-menu-toggle {
    display: none;
  }
}

/* ヒーローセクション */
.hero {
  position: relative;
  height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--text-color);
}

.hero-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 20%;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to bottom, rgba(255, 255, 255, 0.9) 0%, rgba(255, 255, 255, 0.3) 100%);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 10;
  padding: 0 1rem;
}

.hero h1 {
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1.5rem;
  color: var(--text-color);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.hero p {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  color: var(--text-color);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
  line-height: 1.8;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  animation: bounce 2s infinite;
  color: white;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateY(0) translateX(-50%);
  }
  40% {
    transform: translateY(-20px) translateX(-50%);
  }
  60% {
    transform: translateY(-10px) translateX(-50%);
  }
}

@media (min-width: 768px) {
  .hero h1 {
    font-size: 3.5rem;
  }
  
  .hero p {
    font-size: 1.5rem;
  }
}

/* セクションヘッダー */
.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-header h2 {
  font-size: 1.875rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.section-header p {
  color: var(--text-light);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

@media (min-width: 768px) {
  .section-header h2 {
    font-size: 2.25rem;
  }
  
  .section-header p {
    font-size: 1.125rem;
  }
}

/* 2カラムレイアウト */
.two-columns {
  display: grid;
  gap: 2.5rem;
}

.two-columns .content {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.two-columns h2 {
  font-size: 1.875rem;
  font-weight: 700;
  line-height: 1.2;
}

.two-columns p {
  color: var(--text-light);
}

.two-columns .image {
  position: relative;
  height: 300px;
  border-radius: var(--radius);
  overflow: hidden;
}

.two-columns .image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

@media (min-width: 768px) {
  .two-columns {
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }
  
  .two-columns h2 {
    font-size: 2.25rem;
  }
  
  .two-columns p {
    font-size: 1.125rem;
  }
  
  .two-columns .image {
    height: 400px;
  }
}

/* カード */
.card {
  background-color: white;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.5rem;
  transition: var(--transition);
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-5px);
}

.card-icon {
  width: 120px;
  height: 120px;
  margin: 0 auto 1.5rem;
  border-radius: 50%;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--background-muted);
  box-shadow: var(--shadow-sm);
}

.card-icon video,
.card-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.card:hover .card-icon video,
.card:hover .card-icon img {
  transform: scale(1.1);
}

.card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 1rem;
  text-align: center;
}

.card p {
  color: var(--text-light);
  text-align: center;
}

/* 価値カード */
.value-cards {
  display: grid;
  gap: 2rem;
}

@media (min-width: 768px) {
  .value-cards {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* プロセスリスト */
.process-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.process-list li {
  display: flex;
  gap: 0.5rem;
}

.process-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 9999px;
  background-color: rgba(212, 163, 115, 0.1);
  color: var(--primary);
  font-weight: 700;
  font-size: 0.875rem;
  flex-shrink: 0;
  margin-top: 0.25rem;
}

.process-content h3 {
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.process-content p {
  color: var(--text-light);
}

/* 商品カード */
.product-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.product-card {
  background: var(--background-color);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
  max-width: 320px;
  margin: 0 auto;
  height: 100%;
  min-height: 500px;
  position: relative;
  border: 1px solid rgba(139, 69, 19, 0.1);
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 40px rgba(139, 69, 19, 0.15);
  border-color: rgba(139, 69, 19, 0.2);
}

.product-image {
  position: relative;
  padding-top: 100%;
  overflow: hidden;
  background: linear-gradient(135deg, var(--background-muted), #f5f5f5);
}

.product-image::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(to bottom, transparent 60%, rgba(0, 0, 0, 0.1));
  z-index: 1;
}

.product-image img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.product-card:hover .product-image img {
  transform: scale(1.08);
}

.product-badge {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  background: var(--primary-color);
  color: var(--background-color);
  padding: 0.5rem 1.25rem;
  border-radius: 30px;
  font-size: 0.875rem;
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(139, 69, 19, 0.2);
  z-index: 2;
  letter-spacing: 0.02em;
}

.product-content {
  padding: 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  height: 100%;
  background: var(--background-color);
}

.product-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--text-color);
  min-height: 2.5em;
  display: flex;
  align-items: center;
  letter-spacing: -0.02em;
  position: relative;
  padding-bottom: 0.5rem;
}

.product-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 3px;
  background: var(--primary-color);
  border-radius: 2px;
}

.product-features {
  margin-bottom: 0.5rem;
  flex: 1;
  min-height: 120px;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.feature {
  padding: 0.75rem;
  background: rgba(139, 69, 19, 0.03);
  border-radius: 12px;
  transition: all 0.3s ease;
  border: 1px solid rgba(139, 69, 19, 0.05);
}

.feature:hover {
  background: rgba(139, 69, 19, 0.08);
  transform: translateX(4px);
  border-color: rgba(139, 69, 19, 0.1);
}

.feature-info {
  width: 100%;
}

.feature-label {
  font-size: 0.875rem;
  color: var(--text-color-light);
  margin-bottom: 2px;
  font-weight: 500;
  letter-spacing: 0.02em;
}

.feature-values {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.feature-value {
  font-size: 0.875rem;
  color: var(--text-color);
  font-weight: 500;
  line-height: 1.4;
}

.feature-value.price {
  font-weight: 700;
  color: var(--primary-color);
  font-size: 1.25rem;
  letter-spacing: 0.02em;
}

.product-description {
  margin-top: auto;
  padding-top: 1rem;
  min-height: 100px;
  border-top: 1px solid rgba(139, 69, 19, 0.1);
}

.product-description h4 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--text-color);
  min-height: 1.5em;
  letter-spacing: 0.02em;
}

.benefits {
  list-style: none;
  margin-bottom: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.benefits li {
  position: relative;
  padding-left: 1.5rem;
  font-size: 0.875rem;
  color: var(--text-color-light);
  min-height: 1.5em;
  line-height: 1.6;
  letter-spacing: 0.01em;
}

.benefits li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--primary-color);
  font-weight: 700;
}

.product-card .button {
  width: 100%;
  margin-top: 1rem;
  margin-bottom: 0.5rem;
  padding: 1rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  border-radius: 12px;
  transition: all 0.3s ease;
  background: var(--primary-color);
  color: var(--background-color);
  border: none;
  position: relative;
  overflow: hidden;
}

.product-card .button::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  transform: translateX(-100%);
  transition: transform 0.6s ease;
}

.product-card .button:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(139, 69, 19, 0.2);
}

.product-card .button:hover::before {
  transform: translateX(100%);
}

@media (min-width: 768px) {
  .product-cards {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
  }
}

@media (min-width: 1024px) {
  .product-cards {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* プロセスステップ */
.process-steps {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  max-width: 800px;
  margin: 0 auto;
}

.process-step {
  background: var(--background-color);
  border-radius: 16px;
  padding: 2rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(139, 69, 19, 0.1);
}

.process-step:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

.process-step::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--primary-color);
  opacity: 0.8;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--primary-color);
  color: white;
  border-radius: 50%;
  font-weight: 700;
  margin-bottom: 1rem;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.process-step h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--text-color);
  font-weight: 600;
  position: relative;
  padding-bottom: 0.5rem;
}

.process-step h3::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 3px;
  background-color: var(--primary-color);
  border-radius: 2px;
}

.process-step p {
  color: var(--text-light);
  line-height: 1.8;
  font-size: 1.1rem;
}

/* お客様の声 */
.testimonials {
  position: relative;
  width: 100%;
  overflow: hidden;
}

.testimonial-cards {
  display: flex;
  overflow-x: hidden;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  padding: 0 calc(50% - 150px);
  position: relative;
  transition: transform 0.5s ease-out;
}

.testimonial-cards::-webkit-scrollbar {
  display: none;
}

.testimonial-card {
  flex: 0 0 300px;
  margin-right: 1rem;
  scroll-snap-align: center;
  opacity: 0.5;
  transform: scale(0.9);
  transition: all 0.5s ease-out;
}

.testimonial-card.active {
  opacity: 1;
  transform: scale(1);
}

.testimonial-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.testimonial-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  overflow: hidden;
}

.testimonial-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.testimonial-author h3 {
  font-size: 1.125rem;
  margin-bottom: 0.25rem;
}

.testimonial-author p {
  font-size: 0.875rem;
  color: var(--text-light);
}

.testimonial-text {
  font-size: 0.875rem;
  line-height: 1.6;
  margin-bottom: 1rem;
}

.testimonial-image {
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.testimonial-image img {
  width: 100%;
  height: auto;
  display: block;
}

.testimonial-dots {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 2rem;
}

.testimonial-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: rgba(139, 69, 19, 0.2);
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
}

.testimonial-dot.active {
  background-color: var(--primary-color);
  transform: scale(1.2);
  box-shadow: 0 2px 4px rgba(139, 69, 19, 0.3);
}

.testimonial-dot:hover {
  background-color: rgba(139, 69, 19, 0.4);
  transform: scale(1.1);
}

/* アコーディオン */
.accordion {
  max-width: 768px;
  margin: 0 auto;
}

.accordion-item {
  border-bottom: 1px solid var(--border);
}

.accordion-trigger {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
  background: transparent;
  border: none;
  text-align: left;
  font-weight: 700;
  cursor: pointer;
}

.accordion-icon {
  width: 1.25rem;
  height: 1.25rem;
  transition: transform 0.3s ease;
}

.accordion-trigger[aria-expanded="true"] .accordion-icon {
  transform: rotate(180deg);
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.accordion-content p {
  padding: 0 0 1rem;
  color: var(--text-light);
}

/* CTA */
.cta-buttons {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 1rem;
}

@media (min-width: 640px) {
  .cta-buttons {
    flex-direction: row;
  }
}

/* お問い合わせフォーム */
.form-container {
  max-width: 48rem;
  margin: 0 auto;
  padding: 3rem;
  background-color: var(--color-white);
  border-radius: 1rem;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  position: relative;
  overflow: hidden;
}

.form-container::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

@media (min-width: 768px) {
  .form-row {
    flex-direction: row;
    gap: 2rem;
  }
  
  .form-group {
    flex: 1;
  }
}

.form-group {
  position: relative;
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.75rem;
  font-weight: 600;
  color: var(--color-text);
  position: relative;
  padding-left: 1.5rem;
}

.form-group label::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 1.25rem;
  background-color: var(--color-primary);
  border-radius: 2px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 1rem 1.25rem;
  border: 2px solid var(--color-border);
  border-radius: 0.75rem;
  background-color: var(--color-white);
  transition: all 0.3s ease;
  font-size: 1rem;
  line-height: 1.5;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(139, 69, 19, 0.1);
  transform: translateY(-2px);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-text-muted);
  opacity: 0.5;
}

.form-group textarea {
  min-height: 150px;
  resize: vertical;
}

.form-help {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-top: 0.75rem;
  padding-left: 1.5rem;
  position: relative;
}

.form-help::before {
  content: '※';
  position: absolute;
  left: 0;
  color: var(--color-primary);
  opacity: 0.5;
}

.form-group.error input,
.form-group.error textarea {
  border-color: var(--color-error);
  animation: shake 0.5s ease-in-out;
}

.form-group.error .error-message {
  color: var(--color-error);
  font-size: 0.875rem;
  margin-top: 0.5rem;
  display: block;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-5px); }
  75% { transform: translateX(5px); }
}

.form-disclaimer {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  text-align: center;
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
  position: relative;
}

.form-disclaimer::before {
  content: '※';
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  font-size: 1.5rem;
  color: var(--color-primary);
  opacity: 0.2;
}

.form-container .button {
  width: 100%;
  padding: 1rem 2rem;
  font-size: 1.125rem;
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
}

.form-container .button::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(45deg, var(--color-primary), var(--color-secondary));
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: -1;
}

.form-container .button:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.form-container .button:hover::before {
  opacity: 1;
}

.options-menu {
  position: fixed;
  top: 0;
  right: 0;
  width: 100%;
  max-width: 400px;
  height: 100vh;
  background: white;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
  transform: translateX(100%);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 1000;
  overflow-y: auto;
}

.options-menu.active {
  transform: translateX(0);
}

.options-header {
  position: sticky;
  top: 0;
  background: white;
  padding: 1.5rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 1;
}

.options-header h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
  margin: 0;
}

.close-button {
  background: none;
  border: none;
  padding: 0.5rem;
  cursor: pointer;
  transition: transform 0.3s ease;
}

.close-button:hover {
  transform: rotate(90deg);
}

.options-content {
  padding: 1.5rem;
}

.option-group {
  margin-bottom: 2rem;
}

.option-group h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--primary-color);
}

.option-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem;
  background: var(--background-muted);
  border-radius: 8px;
  margin-bottom: 0.5rem;
  transition: all 0.3s ease;
}

.option-item:hover {
  background: var(--primary-color);
  color: white;
  transform: translateX(5px);
}

.option-item:hover .option-price {
  color: white;
}

.option-label {
  font-weight: 500;
}

.option-price {
  color: var(--primary-color);
  font-weight: 600;
}

.option-description {
  font-size: 0.875rem;
  color: var(--text-light);
  margin-top: 0.25rem;
}

.options-footer {
  position: sticky;
  bottom: 0;
  background: white;
  padding: 1.5rem;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.total-price {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary-color);
}

.options-footer .button {
  width: 100%;
  padding: 1rem;
  font-weight: 600;
  border-radius: 8px;
  transition: all 0.3s ease;
}

.options-footer .button:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.additional-options {
  background: var(--background-muted);
  border-radius: 16px;
  padding: 2rem;
  margin-top: 2rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.additional-options h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 1.5rem;
  position: relative;
  padding-bottom: 0.5rem;
}

.additional-options h3::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 50px;
  height: 3px;
  background: var(--primary-color);
  border-radius: 2px;
}

.additional-options ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.additional-options li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  background: white;
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.additional-options li::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--primary-color);
  opacity: 0.2;
  transition: opacity 0.3s ease;
}

.additional-options li:hover {
  transform: translateX(5px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.additional-options li:hover::before {
  opacity: 1;
}

.additional-options li span {
  font-weight: 500;
  color: var(--text);
}

.additional-options li .price {
  font-weight: 700;
  color: var(--primary-color);
  background: rgba(139, 69, 19, 0.1);
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.875rem;
}

/* 準備中のスタイル */
.additional-options li.coming-soon {
  background: rgba(0, 0, 0, 0.02);
  opacity: 0.7;
}

.additional-options li.coming-soon span {
  color: var(--text-color-light);
}

.additional-options li.coming-soon .price {
  background: rgba(0, 0, 0, 0.05);
  color: var(--text-color-light);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
}

.additional-options li.coming-soon .price::before {
  content: '';
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-color-light);
  animation: pulse 2s infinite;
}

.additional-options li.coming-soon::before {
  background: var(--text-color-light);
  opacity: 0.3;
}

.additional-options li.coming-soon:hover {
  transform: none;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

@keyframes pulse {
  0% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.2);
    opacity: 0.5;
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}

.additional-options .note {
  margin-top: 1.5rem;
  padding: 1rem;
  background: rgba(139, 69, 19, 0.05);
  border-radius: 8px;
  font-size: 0.875rem;
  color: var(--text-light);
  line-height: 1.6;
}

/* 毛並みの再現へのこだわりセクション */
.craftsmanship {
  position: relative;
  overflow: hidden;
}

.craftsmanship-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: start;
}

.craftsmanship-image {
  position: relative;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  aspect-ratio: 1;
}

.craftsmanship-image img {
  width: 600px;
  height: 600px;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.craftsmanship-image:hover img {
  transform: scale(1.05);
}

.image-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.7), transparent);
  display: flex;
  align-items: flex-end;
  padding: var(--spacing-lg);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.craftsmanship-image:hover .image-overlay {
  opacity: 1;
}

.overlay-content {
  color: var(--background-color);
}

.overlay-content h3 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-xs);
}

.overlay-content p {
  font-size: var(--font-size-sm);
  opacity: 0.9;
}

.craftsmanship-steps {
  display: grid;
  gap: var(--spacing-lg);
}

.step-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  background: var(--background-color);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.step-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.step-number {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--primary-color);
  opacity: 0.7;
}

.step-content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.step-title {
  font-size: var(--font-size-lg);
  font-weight: 500;
  color: var(--text-color);
}

.step-description {
  font-size: var(--font-size-base);
  color: var(--text-color-light);
  line-height: 1.6;
}

@media (max-width: 768px) {
  .craftsmanship-grid {
    grid-template-columns: 1fr;
  }
  
  .craftsmanship-image {
    aspect-ratio: 16/9;
  }
  
  .step-card {
    grid-template-columns: 1fr;
  }
  
  .step-number {
    font-size: var(--font-size-lg);
  }
}

.product-price {
  margin: 0.5rem 0;
  text-align: center;
  padding: var(--spacing-sm);
  background: rgba(139, 69, 19, 0.05);
  border-radius: 8px;
}

.product-price .feature-value.price {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary-color);
  letter-spacing: 0.02em;
}

.text-link {
  color: var(--primary-color);
  text-decoration: none;
  background-color: rgba(139, 69, 19, 0.1);
  padding: 0.2em 0.4em;
  border-radius: 0.2em;
  transition: background-color 0.3s ease;
}

.text-link:hover {
  background-color: rgba(139, 69, 19, 0.2);
}

.footer-nav {
  margin-bottom: 1rem;
}

.footer-nav-list {
  display: flex;
  justify-content: center;
  gap: 2rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-nav-item {
  margin: 0;
}

.footer-nav-link {
  color: var(--text-color);
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-nav-link:hover {
  color: var(--primary-color);
}

.radio-group {
  display: flex;
  gap: 1rem;
  margin-top: 0.5rem;
  width: 100%;
}

.radio-label {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  padding: 1rem;
  background-color: var(--color-white);
  border: 2px solid var(--color-border);
  border-radius: 0.5rem;
  transition: all 0.3s ease;
  flex: 1;
  min-height: 3.5rem;
}

.radio-label:hover {
  border-color: var(--color-primary);
  background-color: rgba(139, 69, 19, 0.05);
}

.radio-label input[type="radio"] {
  position: absolute;
  opacity: 0;
  cursor: pointer;
}

.radio-text {
  position: relative;
  font-weight: 500;
  color: var(--color-text);
  transition: all 0.3s ease;
  text-align: center;
  width: 100%;
}

.radio-label input[type="radio"]:checked + .radio-text {
  color: var(--color-primary);
  font-weight: 600;
}

.radio-label input[type="radio"]:checked {
  background-color: var(--color-primary);
}

.radio-label input[type="radio"]:checked + .radio-text::before {
  content: '';
  position: absolute;
  left: -1rem;
  top: 50%;
  transform: translateY(-50%);
  width: 0.5rem;
  height: 0.5rem;
  background-color: var(--color-primary);
  border-radius: 50%;
  animation: radioPulse 0.3s ease;
}

@keyframes radioPulse {
  0% { transform: translateY(-50%) scale(0.8); opacity: 0.5; }
  50% { transform: translateY(-50%) scale(1.2); opacity: 0.8; }
  100% { transform: translateY(-50%) scale(1); opacity: 1; }
}

/* 電話番号表示 */
.phone-display {
  text-align: center;
}

.phone-number {
  font-size: 3rem;
  font-weight: 700;
  color: var(--primary-color);
  letter-spacing: 0.05em;
  margin: 0;
  line-height: 1.2;
}

@media (max-width: 768px) {
  .phone-number {
    font-size: 2rem;
  }
}

/* フッター全体 */
.footer {
  background-color: #f9f4ef;
  color: var(--text-color);
  padding: 4rem 0 2rem;
  margin-top: 4rem;
  border-top: 1px solid rgba(139, 69, 19, 0.1);
}

.footer-content {
  display: flex;
  flex-direction: column;
  gap: 3rem;
  margin-bottom: 3rem;
}

/* PC表示 */
@media (min-width: 768px) {
  .footer-content {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-start;
  }
  
  .footer-info {
    flex: 1;
    max-width: 45%;
  }
  
  .footer-links {
    flex: 1;
    max-width: 45%;
    display: flex;
    justify-content: flex-end;
  }

  .footer-column {
    min-width: 250px;
  }
}

/* フッター情報エリア */
.footer-info .logo {
  font-size: 2rem;
  margin-bottom: 1rem;
  display: inline-block;
  color: var(--primary-color);
}

.footer-description {
  margin-bottom: 1.5rem;
  color: var(--text-color-light);
  line-height: 1.8;
  font-size: 0.95rem;
}

/* SNSリンク */
.social-links {
  display: flex;
  gap: 1rem;
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background-color: white;
  border-radius: 50%;
  color: var(--primary-color);
  border: 1px solid rgba(139, 69, 19, 0.2);
  transition: all 0.3s ease;
}

.social-link:hover {
  background-color: var(--primary-color);
  color: white;
  transform: translateY(-3px);
  box-shadow: 0 4px 10px rgba(139, 69, 19, 0.2);
}

/* フッターリンクエリア */
.footer-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: var(--primary-color);
  position: relative;
  display: inline-block;
}

.footer-title::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 30px;
  height: 2px;
  background-color: var(--secondary-color);
}

.footer-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.footer-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 1rem;
  color: var(--text-color);
}

.footer-icon {
  width: 20px;
  height: 20px;
  color: var(--primary-color);
  opacity: 0.8;
  flex-shrink: 0;
}

.footer-link {
  color: var(--text-color);
  text-decoration: none;
  transition: color 0.3s ease;
  position: relative;
}

.footer-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--primary-color);
  transition: width 0.3s ease;
}

.footer-link:hover {
  color: var(--primary-color);
}

.footer-link:hover::after {
  width: 100%;
}

/* フッター下部 */
.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(139, 69, 19, 0.1);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

.copyright {
  font-size: 0.85rem;
  color: var(--text-color-light);
  letter-spacing: 0.05em;
}

/* フッターナビゲーション調整 */
.footer-nav-list {
  gap: 1.5rem;
  flex-wrap: wrap;
}

.footer-nav-link {
  font-size: 0.9rem;
  color: var(--text-color-light);
}

.footer-nav-link:hover {
  color: var(--primary-color);
}