/* ===================================
   Reset & Base Styles
   =================================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-padding-top: 80px;
  scroll-behavior: smooth;
}

:root {
  --primary-color: #667eea;
  --secondary-color: #764ba2;
  --accent-color: #f093fb;
  --dark-color: #1a1a2e;
  --light-color: #f8f9fa;
  --text-color: #333;
  --text-light: #666;
  --border-color: #e0e0e0;
  --success-color: #4caf50;
  --warning-color: #ff9800;
  --shadow: 0 4px 6px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 30px rgba(0,0,0,0.15);
}

body {
  font-family: 'Hiragino Sans', 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  background: var(--light-color);
  overflow-x: hidden;
}

/* ===================================
   Hero Section
   =================================== */

/* 新しいヘッダー */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  padding: 0.8rem 2rem;
  box-shadow: 0 2px 10px rgba(0,0,0,0.2);
}

.header-container {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.header-logo {
  width: 50px;
  height: 50px;
  border-radius: 10px;
}

.header-title h1 {
  font-size: 1.5rem;
  font-weight: 700;
  color: white;
  margin: 0;
}

.header-title p {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.9);
  margin: 0;
}

.header-nav {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

.header-nav a {
  color: white;
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  transition: opacity 0.3s;
}

.header-nav a:hover {
  opacity: 0.8;
}

.header-nav .nav-cta {
  background: white;
  color: var(--primary-color);
  padding: 0.5rem 1.2rem;
  border-radius: 25px;
  font-weight: 600;
}

.header-nav .nav-cta:hover {
  opacity: 0.9;
}

/* 動画セクション */
.hero-video-section {
  margin-top: 75px;
  width: 100%;
}

.hero-video-section .hero-video {
  width: 100%;
  display: block;
}

/* スマホ対応 */
@media (max-width: 768px) {
  .site-header {
    padding: 0.5rem 1rem;
  }
  
  .header-brand {
    gap: 0.5rem;
  }
  
  .header-logo {
    width: 40px;
    height: 40px;
  }
  
  .header-title h1 {
    font-size: 1rem;
  }
  
  .header-title p {
    display: none;
  }
  
  .header-nav a:not(.nav-cta) {
    display: none;
  }
  
  .header-nav .nav-cta {
    padding: 0.4rem 0.8rem;
    font-size: 0.8rem;
  }
  
  .hero-video-section {
    margin-top: 55px;
  }
}

/* 旧ヒーロースタイル（未使用） */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(102, 126, 234, 0.85), rgba(118, 75, 162, 0.85));
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  text-align: center;
  color: white;
  padding: 2rem;
  max-width: 900px;
}

.logo {
  width: 150px;
  height: auto;
  margin-bottom: 1.5rem;
  filter: drop-shadow(0 4px 8px rgba(0,0,0,0.3));
}

.hero-content h1 {
  font-size: 4rem;
  font-weight: 800;
  margin-bottom: 1rem;
  text-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

.hero-subtitle {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  opacity: 0.95;
}

.hero-description {
  font-size: 1.2rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

.cta-button {
  display: inline-block;
  padding: 1rem 3rem;
  background: white;
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 700;
  font-size: 1.1rem;
  border-radius: 50px;
  transition: all 0.3s ease;
  box-shadow: 0 8px 20px rgba(0,0,0,0.2);
}

.cta-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(0,0,0,0.3);
  background: var(--light-color);
}

/* ===================================
   Sticky Navigation
   =================================== */
.sticky-nav {
  position: sticky;
  top: 0;
  background: white;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  z-index: 100;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: center;
  gap: 2rem;
  padding: 1rem 2rem;
}

.nav-container a {
  color: var(--text-color);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.3s ease;
  position: relative;
}

.nav-container a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-color);
  transition: width 0.3s ease;
}

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

.nav-container a:hover::after {
  width: 100%;
}

/* ===================================
   Common Section Styles
   =================================== */
section {
  padding: 5rem 2rem;
  max-width: 1400px;
  margin: 0 auto;
}

.section-title {
  font-size: 3rem;
  font-weight: 800;
  text-align: center;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  text-align: center;
  font-size: 1.2rem;
  color: var(--text-light);
  margin-bottom: 3rem;
}

/* ===================================
   Services Section
   =================================== */
.services {
  background: white;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.service-card {
  background: white;
  border-radius: 20px;
  padding: 2.5rem;
  box-shadow: var(--shadow);
  transition: all 0.3s ease;
  border: 2px solid transparent;
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-color);
}

.service-card.highlight {
  background: linear-gradient(135deg, #667eea15, #764ba215);
  border-color: var(--primary-color);
}

.service-icon {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  font-size: 2rem;
  color: white;
}

.service-card h3 {
  font-size: 1.8rem;
  margin-bottom: 1rem;
  color: var(--dark-color);
}

.service-card p {
  color: var(--text-light);
  margin-bottom: 1.5rem;
  line-height: 1.8;
}

.service-features {
  list-style: none;
  padding-left: 0;
}

.service-features li {
  padding: 0.5rem 0;
  color: var(--text-color);
  position: relative;
  padding-left: 1.5rem;
}

.service-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--primary-color);
  font-weight: bold;
}

/* ===================================
   Portfolio Gallery
   =================================== */
.portfolio {
  background: var(--light-color);
}

.category-filters {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 3rem;
}

.filter-btn {
  padding: 0.7rem 1.5rem;
  border: 2px solid var(--border-color);
  background: white;
  color: var(--text-color);
  border-radius: 50px;
  cursor: pointer;
  font-weight: 600;
  transition: all 0.3s ease;
}

.filter-btn:hover,
.filter-btn.active {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: white;
  border-color: transparent;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 2rem;
}

.gallery-item {
  background: white;
  border-radius: 15px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: all 0.3s ease;
}

.gallery-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.gallery-item img,
.gallery-video {
  width: 100%;
  height: 250px;
  object-fit: cover;
  display: block;
}

.gallery-info {
  padding: 1.2rem;
}

.gallery-info h4 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
  color: var(--dark-color);
}

.tag {
  display: inline-block;
  padding: 0.3rem 0.8rem;
  background: linear-gradient(135deg, var(--accent-color), #f5576c);
  color: white;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
}

/* ===================================
   LoRA Section
   =================================== */
.lora-section {
  background: white;
}

.lora-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 3rem;
  margin: 3rem 0;
}

.lora-explanation h3,
.lora-process h3 {
  font-size: 1.8rem;
  margin-bottom: 1.5rem;
  color: var(--dark-color);
}

.lora-explanation h3 i,
.lora-process h3 i {
  color: var(--primary-color);
  margin-right: 0.5rem;
}

.lora-benefits {
  display: grid;
  gap: 1.5rem;
  margin-top: 2rem;
}

.benefit-item {
  display: flex;
  gap: 1rem;
  padding: 1.5rem;
  background: linear-gradient(135deg, #667eea10, #764ba210);
  border-radius: 15px;
  border-left: 4px solid var(--primary-color);
}

.benefit-item i {
  font-size: 2rem;
  color: var(--primary-color);
}

.benefit-item h4 {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}

.process-steps {
  list-style: none;
  counter-reset: step-counter;
}

.process-steps li {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 2rem;
  align-items: flex-start;
}

.step-number {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.3rem;
  flex-shrink: 0;
}

.step-content h4 {
  font-size: 1.3rem;
  margin-bottom: 0.5rem;
}

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

.lora-examples {
  margin-top: 4rem;
}

.lora-examples h3 {
  font-size: 1.8rem;
  margin-bottom: 2rem;
  text-align: center;
}

.lora-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

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

.lora-item img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  border-radius: 15px;
  box-shadow: var(--shadow);
  transition: transform 0.3s ease;
}

.lora-item img:hover {
  transform: scale(1.05);
}

.lora-item p {
  margin-top: 1rem;
  font-weight: 600;
  color: var(--text-color);
}

/* ===================================
   Pricing Section
   =================================== */
.pricing {
  background: var(--light-color);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.pricing-card {
  background: white;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: all 0.3s ease;
  position: relative;
}

.pricing-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.pricing-card.featured {
  border: 3px solid var(--primary-color);
}

.ribbon {
  position: absolute;
  top: 15px;
  right: -35px;
  background: linear-gradient(135deg, var(--accent-color), #f5576c);
  color: white;
  padding: 0.5rem 3rem;
  transform: rotate(45deg);
  font-weight: 700;
  font-size: 0.9rem;
  box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

.pricing-header {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: white;
  padding: 2rem;
  text-align: center;
}

.pricing-header h3 {
  font-size: 1.8rem;
  margin-bottom: 0.5rem;
}

.price-range {
  font-size: 2.5rem;
  font-weight: 800;
  margin: 1rem 0;
}

.pricing-features {
  list-style: none;
  padding: 2rem;
}

.pricing-features li {
  padding: 0.8rem 0;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.pricing-features li:last-child {
  border-bottom: none;
}

.pricing-features i {
  color: var(--success-color);
  font-size: 1.1rem;
}

.pricing-note {
  padding: 0 2rem 2rem;
  color: var(--text-light);
  font-size: 0.9rem;
  text-align: center;
}

.pricing-options {
  padding: 0 2rem 2rem;
  background: #f8f9fa;
}

.pricing-options h4 {
  font-size: 1.1rem;
  margin-bottom: 1rem;
  color: var(--dark-color);
}

.pricing-options ul {
  list-style: none;
}

.pricing-options li {
  padding: 0.5rem 0;
  color: var(--text-color);
  font-size: 0.95rem;
}

.payment-info {
  max-width: 800px;
  margin: 3rem auto 0;
  padding: 2rem;
  background: white;
  border-radius: 15px;
  box-shadow: var(--shadow);
  text-align: center;
}

.payment-info h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--dark-color);
}

.payment-info i {
  color: var(--primary-color);
}

.payment-info p {
  margin: 0.8rem 0;
  color: var(--text-color);
}

/* ===================================
   Notice Section
   =================================== */
.notice {
  background: white;
}

.notice-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.notice-card {
  background: linear-gradient(135deg, #fff9e610, #ffe08210);
  border-left: 5px solid var(--warning-color);
  padding: 2rem;
  border-radius: 15px;
}

.notice-card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--dark-color);
}

.notice-card h3 i {
  color: var(--warning-color);
  margin-right: 0.5rem;
}

.notice-card ul {
  list-style: none;
}

.notice-card li {
  padding: 0.8rem 0;
  padding-left: 1.5rem;
  position: relative;
  color: var(--text-color);
}

.notice-card li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--warning-color);
  font-weight: bold;
  font-size: 1.5rem;
}

/* ===================================
   Contact Section
   =================================== */
.contact {
  background: var(--light-color);
}

.contact-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 3rem;
  margin-top: 3rem;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.info-item {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
  padding: 1.5rem;
  background: white;
  border-radius: 15px;
  box-shadow: var(--shadow);
}

.info-item i {
  font-size: 2rem;
  color: var(--primary-color);
}

.info-item h3 {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}

.info-item a {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 600;
}

.info-item a:hover {
  text-decoration: underline;
}

.contact-tips {
  padding: 2rem;
  background: linear-gradient(135deg, #667eea15, #764ba215);
  border-radius: 15px;
}

.contact-tips h3 {
  font-size: 1.2rem;
  margin-bottom: 1rem;
  color: var(--dark-color);
}

.contact-tips i {
  color: var(--primary-color);
}

.contact-tips ul {
  list-style: none;
}

.contact-tips li {
  padding: 0.5rem 0;
  padding-left: 1.5rem;
  position: relative;
}

.contact-tips li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--primary-color);
  font-weight: bold;
}

.contact-form {
  background: white;
  padding: 2.5rem;
  border-radius: 20px;
  box-shadow: var(--shadow);
}

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

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--dark-color);
}

.required {
  color: #e74c3c;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.9rem;
  border: 2px solid var(--border-color);
  border-radius: 10px;
  font-family: inherit;
  font-size: 1rem;
  transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
}

.submit-button {
  width: 100%;
  padding: 1.2rem;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: white;
  border: none;
  border-radius: 50px;
  font-size: 1.1rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.submit-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(102, 126, 234, 0.4);
}

.form-note {
  text-align: center;
  margin-top: 2rem;
  color: var(--text-light);
  font-size: 0.95rem;
}

/* ===================================
   Footer
   =================================== */
footer {
  background: var(--dark-color);
  color: white;
  padding: 3rem 2rem 1.5rem;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  margin-bottom: 2rem;
}

.footer-logo {
  width: 100px;
  margin-bottom: 1rem;
  filter: brightness(0) invert(1);
}

.footer-info h3 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.footer-info p {
  color: #aaa;
  font-size: 0.95rem;
}

.footer-links h4,
.footer-contact h4 {
  font-size: 1.2rem;
  margin-bottom: 1rem;
}

.footer-links ul {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.5rem;
}

.footer-links a {
  color: #aaa;
  text-decoration: none;
  transition: color 0.3s ease;
}

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

.footer-contact a {
  color: var(--primary-color);
  text-decoration: none;
}

.footer-contact a:hover {
  text-decoration: underline;
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid #333;
  color: #888;
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 1024px) {
  .gallery-grid {
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  }

  .service-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }
}

@media (max-width: 768px) {
  /* Hero Section */
  .hero {
    min-height: 500px;
    height: 80vh;
  }

  .hero-content {
    padding: 1.5rem;
  }

  .hero-content h1 {
    font-size: 2.5rem;
  }

  .hero-subtitle {
    font-size: 1.2rem;
  }

  .hero-description {
    font-size: 1rem;
  }

  .logo {
    width: 120px;
  }

  /* Typography */
  .section-title {
    font-size: 2.2rem;
  }

  .section-subtitle {
    font-size: 1rem;
  }

  /* Navigation */
  .nav-container {
    flex-wrap: wrap;
    gap: 0.8rem;
    padding: 1rem;
    justify-content: center;
  }

  .nav-container a {
    font-size: 0.9rem;
  }

  /* Grids */
  .service-grid,
  .pricing-grid,
  .gallery-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .lora-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .contact-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .notice-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: 2rem;
    text-align: center;
  }

  /* Cards */
  .service-card,
  .pricing-card {
    padding: 2rem;
  }

  .contact-form {
    padding: 2rem;
  }

  /* Sections */
  section {
    padding: 3rem 1.5rem;
  }

  /* LoRA Section */
  .lora-gallery {
    grid-template-columns: 1fr;
  }

  .benefit-item {
    flex-direction: column;
    text-align: center;
  }

  /* Process Steps */
  .process-steps li {
    flex-direction: column;
    text-align: center;
  }

  .step-number {
    margin-bottom: 1rem;
  }
}

@media (max-width: 480px) {
  /* Hero */
  .hero {
    min-height: 450px;
  }

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

  .hero-subtitle {
    font-size: 1rem;
  }

  .hero-description {
    font-size: 0.9rem;
  }

  .cta-button {
    padding: 0.8rem 2rem;
    font-size: 1rem;
  }

  .logo {
    width: 100px;
  }

  /* Typography */
  .section-title {
    font-size: 1.8rem;
  }

  .section-subtitle {
    font-size: 0.95rem;
  }

  /* Navigation */
  .nav-container {
    gap: 0.5rem;
    padding: 0.8rem;
  }

  .nav-container a {
    font-size: 0.85rem;
    padding: 0.3rem 0.5rem;
  }

  /* Filters */
  .category-filters {
    gap: 0.5rem;
  }

  .filter-btn {
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
  }

  /* Cards */
  .service-card,
  .pricing-card,
  .notice-card {
    padding: 1.5rem;
  }

  .service-icon {
    width: 60px;
    height: 60px;
    font-size: 1.5rem;
  }

  .service-card h3,
  .pricing-header h3 {
    font-size: 1.5rem;
  }

  .price-range {
    font-size: 2rem;
  }

  /* Forms */
  .contact-form {
    padding: 1.5rem;
  }

  .form-group input,
  .form-group select,
  .form-group textarea {
    padding: 0.8rem;
    font-size: 0.95rem;
  }

  .submit-button {
    padding: 1rem;
    font-size: 1rem;
  }

  /* Info Items */
  .info-item {
    flex-direction: column;
    text-align: center;
    padding: 1.2rem;
  }

  .info-item i {
    font-size: 1.5rem;
  }

  /* Gallery */
  .gallery-item img,
  .gallery-video {
    height: 200px;
  }

  .lora-item img {
    height: 200px;
  }

  /* Sections */
  section {
    padding: 2.5rem 1rem;
  }

  /* Footer */
  footer {
    padding: 2rem 1rem 1rem;
  }

  .footer-content {
    gap: 1.5rem;
  }

  /* Ribbon */
  .ribbon {
    font-size: 0.75rem;
    padding: 0.4rem 2.5rem;
  }

  /* Payment Info */
  .payment-info {
    padding: 1.5rem;
  }

  .payment-info h3 {
    font-size: 1.2rem;
  }

  .payment-info p {
    font-size: 0.9rem;
  }
}

/* ===================================
   Utility Classes
   =================================== */
.hidden {
  display: none !important;
}

.fade-in {
  animation: fadeIn 0.5s ease-in;
}

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


/* ===================================
   Buy Button (Stripe)
   =================================== */
.buy-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  padding: 1rem 2rem;
  margin-top: 1.5rem;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  text-decoration: none;
  border-radius: 8px;
  font-weight: 600;
  font-size: 1rem;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.buy-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(102, 126, 234, 0.6);
}

.buy-button:active {
  transform: translateY(0);
}

.price-detail {
  font-size: 0.9rem;
  color: #718096;
  margin-top: 0.25rem;
}

.pricing-card.featured .buy-button {
  background: linear-gradient(135deg, #D4AF37 0%, #B8860B 100%);
  color: white;
  box-shadow: 0 4px 15px rgba(184, 134, 11, 0.4);
}

.pricing-card.featured .buy-button:hover {
  box-shadow: 0 6px 20px rgba(184, 134, 11, 0.6);
}

/* ヘッダー内のボタン */
.pricing-header .buy-button {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
  margin-top: 1rem;
  font-weight: 700;
}

.pricing-header .buy-button:hover {
  box-shadow: 0 6px 20px rgba(102, 126, 234, 0.6);
}