:root {
  --color-primary: #574964;
  --color-secondary: #9F8383;
  --color-accent: #C8AAAA;
  --color-light: #FFDAB3;
  --color-text: #2c2c2c;
  --color-text-light: #666;
  --color-bg: #ffffff;
  --color-bg-alt: #fafafa;

  --font-primary: 'Noto Sans JP', sans-serif;
  --font-secondary: 'Noto Serif JP', serif;

  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-xxl: 3rem;

  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 1rem;

  --shadow-sm: 0 1px 3px rgba(87, 73, 100, 0.1);
  --shadow-md: 0 4px 6px rgba(87, 73, 100, 0.1);
  --shadow-lg: 0 10px 25px rgba(87, 73, 100, 0.15);

  --transition: all 0.3s ease;
  --transition-slow: all 0.6s ease;
  --transition-fast: all 0.15s ease;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes pulse {

  0%,
  100% {
    transform: scale(1);
  }

  50% {
    transform: scale(1.05);
  }
}

@keyframes shimmer {
  0% {
    background-position: -1000px 0;
  }

  100% {
    background-position: 1000px 0;
  }
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.6;
  font-size: 0.875rem;
  overflow-x: hidden;
  animation: fadeIn 0.8s ease;
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-secondary);
  font-weight: 400;
  line-height: 1.3;
  margin-bottom: var(--space-md);
  color: var(--color-primary);
}

h1 {
  font-size: 1.75rem;
}

h2 {
  font-size: 1.5rem;
}

h3 {
  font-size: 1.25rem;
}

h4 {
  font-size: 1.125rem;
}

p {
  margin-bottom: var(--space-md);
  font-size: 0.875rem;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.header {
  padding: var(--space-lg) 0;
  text-align: center;
  border-bottom: 1px solid var(--color-accent);
  position: relative;
}

.header-logo {
  display: block;
}

.header-logo img {
  width: 4rem;
  position: relative;
  z-index: 20;
}

.header-logo img {
  display: inline-block;
  transform: rotate(-5deg);
  transition: transform var(--transition-normal);
}

.header-logo:hover img {
  transform: rotate(0);
}

/* Responsive Styles */
@media (max-width: 992px) {
  .header-logo img {
    width: 3rem;
    position: relative;
    z-index: 20;
  }
}

@media (max-width: 768px) {
  .header-logo img {
    width: 3rem;
    position: relative;
    z-index: 20;
  }
}

@media (max-width: 576px) {
  .header-logo img {
    width: 2rem;
    position: relative;
    z-index: 20;
  }
}

@media (max-width: 400px) {
  .header-logo img {
    width: 2rem;
    position: relative;
    z-index: 20;
  }
}

.nav {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-lg);
  margin-top: var(--space-md);
}

.nav-link {
  font-size: 0.875rem;
  color: var(--color-text);
  padding: var(--space-xs) 0;
  position: relative;
}

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

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

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

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--color-primary);
  cursor: pointer;
  padding: var(--space-sm);
}

.mobile-menu {
  display: none;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease;
}

.mobile-menu.active {
  display: block;
  opacity: 1;
  visibility: visible;
}

.mobile-menu .nav {
  flex-direction: column;
  gap: var(--space-md);
  padding: var(--space-lg) 0;
}

.hero {
  padding: var(--space-xxl) 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xxl);
  align-items: center;
  min-height: 60vh;
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  animation: slideInLeft 0.8s ease;
}

.hero-title {
  font-size: 2rem;
  line-height: 1.2;
  color: var(--color-primary);
}

.hero-text {
  font-size: 0.9375rem;
  color: var(--color-text-light);
  line-height: 1.8;
}

.hero-image {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
  border-radius: var(--radius-md);
  animation: slideInRight 0.8s ease;
}

.hero-image::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  animation: shimmer 3s infinite;
}

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

.section {
  padding: var(--space-xxl) 0;
}

.section-title {
  text-align: center;
  margin-bottom: var(--space-xl);
  font-size: 1.75rem;
  color: var(--color-primary);
}

.broken-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-xl);
}

.broken-grid-item {
  background: var(--color-bg-alt);
  padding: var(--space-lg);
  border-radius: var(--radius-sm);
  transition: var(--transition);
  opacity: 0;
  animation: fadeInUp 0.6s ease forwards;
}

.broken-grid-item:nth-child(1) {
  animation-delay: 0.1s;
}

.broken-grid-item:nth-child(2) {
  animation-delay: 0.2s;
}

.broken-grid-item:nth-child(3) {
  animation-delay: 0.3s;
}

.broken-grid-item:nth-child(4) {
  animation-delay: 0.4s;
}

.broken-grid-item:nth-child(5) {
  animation-delay: 0.5s;
}

.broken-grid-item:nth-child(odd) {
  transform: translateY(var(--space-md));
}

.broken-grid-item:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px) scale(1.02);
}

.broken-grid-item h3 {
  margin-bottom: var(--space-sm);
  font-size: 1.125rem;
}

.broken-grid-item p {
  font-size: 0.8125rem;
  color: var(--color-text-light);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-xl);
  margin-top: var(--space-xl);
}

.product-card {
  background: var(--color-bg-alt);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

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

.product-image {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}

.product-info {
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.product-name {
  font-size: 1.125rem;
  margin-bottom: var(--space-sm);
  color: var(--color-primary);
}

.product-price {
  font-size: 1.25rem;
  color: var(--color-secondary);
  font-weight: 500;
}

.product-info .btn {
  width: 100%;
  text-align: center;
  margin-top: auto;
}

.contact-section {
  padding: var(--space-xxl) 0;
}

.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xxl);
  margin-top: var(--space-xl);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.form-label {
  font-size: 0.8125rem;
  color: var(--color-text);
  font-weight: 500;
}

.form-input,
.form-textarea {
  padding: var(--space-sm);
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-sm);
  font-family: var(--font-primary);
  font-size: 0.875rem;
  transition: var(--transition);
  background: var(--color-bg);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(87, 73, 100, 0.1);
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

.checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  margin-top: var(--space-sm);
}

.checkbox-group input[type="checkbox"] {
  margin-top: 0.25rem;
}

.checkbox-group label {
  font-size: 0.8125rem;
  color: var(--color-text-light);
}

.btn {
  padding: var(--space-sm) var(--space-lg);
  background: var(--color-primary);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font-primary);
  font-size: 0.875rem;
  cursor: pointer;
  transition: var(--transition);
  align-self: flex-start;
}

.btn:hover {
  background: var(--color-secondary);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.contact-item {
  padding: var(--space-md);
  background: var(--color-bg-alt);
  border-radius: var(--radius-sm);
}

.contact-item h4 {
  margin-bottom: var(--space-xs);
  font-size: 1rem;
}

.contact-item p {
  font-size: 0.875rem;
  color: var(--color-text-light);
  margin: 0;
}

.map-container {
  margin-top: var(--space-xl);
  border-radius: var(--radius-md);
  overflow: hidden;
  height: 400px;
}

.map-container iframe {
  width: 100%;
  height: 100%;
  border: none;
}

.footer {
  padding: var(--space-lg) 0;
  border-top: 1px solid var(--color-accent);
  margin-top: var(--space-xxl);
}

.footer-content {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-md);
  font-size: 0.75rem;
  color: var(--color-text-light);
}

.footer-link {
  color: var(--color-text-light);
  transition: var(--transition);
}

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

.thank-you-page {
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-xxl) 0;
}

.thank-you-content {
  max-width: 600px;
  padding: var(--space-xxl);
}

.thank-you-title {
  font-size: 2rem;
  color: var(--color-primary);
  margin-bottom: var(--space-lg);
}

.thank-you-message {
  font-size: 1rem;
  color: var(--color-text-light);
  line-height: 1.8;
}

.error-page {
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-xxl) 0;
}

.error-content {
  max-width: 600px;
}

.error-title {
  font-size: 3rem;
  color: var(--color-primary);
  margin-bottom: var(--space-md);
}

.error-message {
  font-size: 1rem;
  color: var(--color-text-light);
  margin-bottom: var(--space-xl);
}

.legal-page {
  padding: var(--space-xxl) 0;
  max-width: 800px;
  margin: 0 auto;
}

.legal-page h1 {
  margin-bottom: var(--space-xl);
}

.legal-page h2 {
  margin-top: var(--space-xl);
  margin-bottom: var(--space-md);
}

.legal-page p {
  margin-bottom: var(--space-md);
}

.privacy-popup {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-bg);
  border-top: 2px solid var(--color-primary);
  padding: var(--space-lg);
  box-shadow: var(--shadow-lg);
  z-index: 1000;
}

.privacy-popup.active {
  display: block;
}

.privacy-popup-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
  flex-wrap: wrap;
}

.privacy-popup-text {
  font-size: 0.8125rem;
  color: var(--color-text);
  flex: 1;
}

.privacy-popup-actions {
  display: flex;
  gap: var(--space-sm);
}

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

.btn-decline {
  background: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
}

.stats-section {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  color: white;
  padding: var(--space-xxl) 0;
  margin: var(--space-xxl) 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-xl);
  text-align: center;
}

.stat-item {
  opacity: 0;
  animation: fadeInUp 0.6s ease forwards;
}

.stat-number {
  font-size: 2.5rem;
  font-family: var(--font-secondary);
  font-weight: 500;
  margin-bottom: var(--space-xs);
  display: block;
}

.stat-label {
  font-size: 0.875rem;
  opacity: 0.9;
}

.testimonial-section {
  background: var(--color-bg-alt);
  padding: var(--space-xxl) 0;
}

.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-xl);
}

.testimonial-card {
  background: var(--color-bg);
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  border-left: 3px solid var(--color-primary);
  transition: var(--transition);
  opacity: 0;
  animation: fadeInUp 0.6s ease forwards;
}

.testimonial-card:nth-child(1) {
  animation-delay: 0.1s;
}

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

.testimonial-card:nth-child(3) {
  animation-delay: 0.3s;
}

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

.testimonial-text {
  font-style: italic;
  margin-bottom: var(--space-md);
  color: var(--color-text-light);
  line-height: 1.8;
}

.testimonial-author {
  font-weight: 500;
  color: var(--color-primary);
  font-size: 0.875rem;
}

.feature-highlight {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xxl);
  align-items: center;
  padding: var(--space-xxl) 0;
}

.feature-highlight:nth-child(even) {
  direction: rtl;
}

.feature-highlight:nth-child(even)>* {
  direction: ltr;
}

.feature-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  opacity: 0;
  animation: fadeIn 0.8s ease forwards;
}

.feature-content {
  opacity: 0;
  animation: slideInLeft 0.8s ease forwards;
}

.feature-highlight:nth-child(even) .feature-content {
  animation-name: slideInRight;
}

.cta-section {
  background: var(--color-light);
  padding: var(--space-xxl) 0;
  text-align: center;
  border-radius: var(--radius-lg);
  margin: var(--space-xxl) 0;
}

.cta-title {
  font-size: 2rem;
  margin-bottom: var(--space-md);
  color: var(--color-primary);
}

.cta-text {
  font-size: 1rem;
  color: var(--color-text-light);
  margin-bottom: var(--space-xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-xl);
  position: relative;
}

.process-step {
  text-align: center;
  padding: var(--space-lg);
  position: relative;
  opacity: 0;
  animation: fadeInUp 0.6s ease forwards;
}

.process-step::after {
  content: '';
  position: absolute;
  top: 2rem;
  right: -50%;
  width: 100%;
  height: 2px;
  background: var(--color-accent);
  z-index: -1;
}

.process-step:last-child::after {
  display: none;
}

.process-number {
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  background: var(--color-primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-md);
  font-size: 1.25rem;
  font-weight: 500;
  transition: var(--transition);
}

.process-step:hover .process-number {
  transform: scale(1.1);
  box-shadow: var(--shadow-md);
}

.faq-section {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--color-accent);
  padding: var(--space-md) 0;
}

.faq-question {
  font-size: 1rem;
  color: var(--color-primary);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition);
  padding: var(--space-sm) 0;
}

.faq-question:hover {
  color: var(--color-secondary);
}

.faq-question::after {
  content: '+';
  font-size: 1.5rem;
  color: var(--color-primary);
  transition: var(--transition);
}

.faq-question.active::after {
  content: '−';
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  padding: 0;
  color: var(--color-text-light);
  font-size: 0.875rem;
}

.faq-answer.active {
  max-height: 500px;
  padding: var(--space-md) 0;
}

.disclaimer-box {
  background: var(--color-bg-alt);
  border-left: 4px solid var(--color-secondary);
  padding: var(--space-md);
  margin: var(--space-lg) 0;
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  color: var(--color-text-light);
}

.accordion-item {
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-md);
  overflow: hidden;
}

.accordion-header {
  padding: var(--space-md);
  background: var(--color-bg-alt);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition);
}

.accordion-header:hover {
  background: var(--color-light);
}

.accordion-header::after {
  content: '+';
  font-size: 1.25rem;
  color: var(--color-primary);
  transition: var(--transition);
}

.accordion-header.active::after {
  content: '−';
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  padding: 0 var(--space-md);
}

.accordion-content.active {
  max-height: 1000px;
  padding: var(--space-md);
}

.interactive-card {
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.interactive-card::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(87, 73, 100, 0.1);
  transform: translate(-50%, -50%);
  transition: width 0.6s ease, height 0.6s ease;
}

.interactive-card:hover::before {
  width: 300px;
  height: 300px;
}

.scroll-reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.scroll-reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 768px) {
  html {
    font-size: 14px;
  }

  .mobile-menu-toggle {
    display: block;
    position: absolute;
    top: var(--space-lg);
    right: var(--space-md);
  }

  .nav {
    display: none;
  }

  .mobile-menu.active .nav {
    display: flex;
  }

  .hero {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
    padding: var(--space-xl) 0;
  }

  .hero-title {
    font-size: 1.5rem;
  }

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

  .broken-grid {
    grid-template-columns: 1fr;
  }

  .broken-grid-item:nth-child(odd) {
    transform: none;
  }

  .feature-highlight {
    grid-template-columns: 1fr;
  }

  .feature-highlight:nth-child(even) {
    direction: ltr;
  }

  .process-step::after {
    display: none;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .testimonial-grid {
    grid-template-columns: 1fr;
  }

  .product-grid {
    grid-template-columns: 1fr;
  }

  .privacy-popup-content {
    flex-direction: column;
    text-align: center;
  }

  .privacy-popup-actions {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  html {
    font-size: 13px;
  }

  .container {
    padding: 0 var(--space-sm);
  }

  .section {
    padding: var(--space-xl) 0;
  }

  .hero-title {
    font-size: 1.25rem;
  }

  h1 {
    font-size: 1.5rem;
  }

  h2 {
    font-size: 1.25rem;
  }
}