:root {
  --color-primary: #BF4646;
  --color-secondary: #EDDCC6;
  --color-light: #FFF4EA;
  --color-accent: #7EACB5;

  --font-primary: 'Noto Sans JP', sans-serif;
  --font-secondary: 'Zen Kaku Gothic New', sans-serif;

  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-xxl: 4rem;

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

  --shadow-sm: 0 1px 2px 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);

  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;

  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-md: 1.125rem;
  --font-size-lg: 1.25rem;
  --font-size-xl: 1.5rem;
  --font-size-xxl: 2rem;
  --font-size-hero: 2.5rem;
}

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

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

body {
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: #333;
  background-color: var(--color-light);
  min-width: 320px;
}

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

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

a:hover {
  opacity: 0.7;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-secondary);
  font-weight: 500;
  line-height: 1.2;
  margin-bottom: var(--space-md);
}

h1 {
  font-size: var(--font-size-hero);
}

h2 {
  font-size: var(--font-size-xl);
}

h3 {
  font-size: var(--font-size-lg);
}

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

.header {
  background-color: var(--color-light);
  padding: var(--space-md) 0;
  position: relative;
  z-index: 1000;
}

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

.logo {
  display: block;
}

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

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

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

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

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

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

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

.nav {
  display: flex;
  gap: var(--space-lg);
}

.nav-link {
  font-size: var(--font-size-sm);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--border-radius-sm);
  transition: background-color var(--transition-base);
}

.nav-link:hover {
  background-color: var(--color-secondary);
  opacity: 1;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  font-size: var(--font-size-xl);
  color: var(--color-primary);
  padding: var(--space-xs);
  transition: transform var(--transition-fast);
}

.menu-toggle:hover {
  transform: scale(1.1);
}

.menu-toggle:active {
  transform: scale(0.95);
}

.mobile-menu {
  display: block;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background-color: var(--color-light);
  padding: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base), max-height var(--transition-base), padding var(--transition-base);
  box-shadow: var(--shadow-md);
  z-index: 1000;
  max-height: 0;
  overflow: hidden;
}

.mobile-menu.active {
  opacity: 1;
  visibility: visible;
  max-height: 500px;
  padding: var(--space-md);
}

.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.mobile-nav-link {
  padding: var(--space-sm);
  border-radius: var(--border-radius-sm);
  background-color: var(--color-secondary);
  text-align: center;
}

.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 60vh;
  background-color: var(--color-light);
}

.hero-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--space-xl);
  background-color: var(--color-secondary);
}

.hero-image {
  background-color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-xl);
}

.hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--border-radius-lg);
}

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

.hero-text {
  font-size: var(--font-size-md);
  color: #555;
  margin-bottom: var(--space-lg);
}

.btn {
  display: inline-block;
  padding: var(--space-sm) var(--space-lg);
  background-color: var(--color-primary);
  color: white;
  border-radius: var(--border-radius-md);
  font-size: var(--font-size-sm);
  transition: background-color var(--transition-base);
  border: none;
  cursor: pointer;
}

.btn:hover {
  background-color: #a03a3a;
  opacity: 1;
}

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

.btn-secondary:hover {
  background-color: #6b9ba3;
}

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

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

.section-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

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

.card {
  background-color: white;
  padding: var(--space-lg);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-base);
}

.card:hover {
  box-shadow: var(--shadow-md);
}

.card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: var(--border-radius-md);
  margin-bottom: var(--space-md);
}

.card-title {
  font-size: var(--font-size-lg);
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

.card-text {
  font-size: var(--font-size-sm);
  color: #666;
  margin-bottom: var(--space-md);
}

.card-price {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--color-accent);
}

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

.contact-form {
  max-width: 600px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: var(--space-md);
}

.form-label {
  display: block;
  margin-bottom: var(--space-xs);
  font-size: var(--font-size-sm);
  color: #555;
}

.form-input,
.form-textarea {
  width: 100%;
  padding: var(--space-sm);
  border: 1px solid var(--color-accent);
  border-radius: var(--border-radius-sm);
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  background-color: white;
}

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

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

.checkbox-input {
  margin-top: 0.25rem;
}

.checkbox-label {
  font-size: var(--font-size-sm);
  color: #555;
}

.map-container {
  margin-top: var(--space-xl);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.map-container iframe {
  width: 100%;
  height: 400px;
  border: none;
}

.footer {
  background-color: var(--color-primary);
  color: white;
  padding: var(--space-xl) 0;
  margin-top: var(--space-xxl);
}

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

.footer-title {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-md);
}

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

.footer-link {
  font-size: var(--font-size-sm);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--border-radius-sm);
  transition: background-color var(--transition-base);
}

.footer-link:hover {
  background-color: rgba(255, 255, 255, 0.2);
  opacity: 1;
}

.footer-text {
  font-size: var(--font-size-xs);
  opacity: 0.9;
}

.popup-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 1000;
  align-items: center;
  justify-content: center;
}

.popup-overlay.active {
  display: flex;
}

.popup {
  background-color: white;
  padding: var(--space-xl);
  border-radius: var(--border-radius-lg);
  max-width: 600px;
  max-height: 80vh;
  overflow-y: auto;
  margin: var(--space-md);
  box-shadow: var(--shadow-lg);
}

.popup-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-md);
}

.popup-title {
  font-size: var(--font-size-xl);
  color: var(--color-primary);
}

.popup-close {
  background: none;
  border: none;
  font-size: var(--font-size-xl);
  cursor: pointer;
  color: #666;
  padding: var(--space-xs);
}

.popup-content {
  font-size: var(--font-size-sm);
  line-height: 1.8;
  color: #555;
}

.error-page {
  text-align: center;
  padding: var(--space-xxl) 0;
  min-height: 60vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.error-title {
  font-size: 4rem;
  color: var(--color-primary);
  margin-bottom: var(--space-md);
}

.error-text {
  font-size: var(--font-size-lg);
  color: #666;
  margin-bottom: var(--space-lg);
}

.testimonial-card {
  background-color: white;
  padding: var(--space-lg);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
  margin-bottom: var(--space-md);
}

.testimonial-text {
  font-style: italic;
  margin-bottom: var(--space-md);
  color: #555;
}

.testimonial-author {
  font-weight: 600;
  color: var(--color-primary);
  font-size: var(--font-size-sm);
}

@media (max-width: 768px) {
  :root {
    --font-size-hero: 2rem;
    --space-xl: 2rem;
    --space-xxl: 3rem;
  }

  .header {
    position: relative;
  }

  .nav {
    display: none;
  }

  .menu-toggle {
    display: block;
    z-index: 1001;
    position: relative;
  }

  .mobile-menu {
    display: block;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .hero-content {
    padding: var(--space-lg);
  }

  .hero-image {
    min-height: 300px;
  }

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

  .footer-menu {
    flex-direction: column;
    gap: var(--space-sm);
  }
}

.feature-block {
  background: linear-gradient(135deg, var(--color-light) 0%, var(--color-secondary) 100%);
  padding: var(--space-xl);
  border-radius: var(--border-radius-lg);
  margin: var(--space-lg) 0;
  position: relative;
  overflow: hidden;
}

.feature-block::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(191, 70, 70, 0.05) 0%, transparent 70%);
  animation: float 20s ease-in-out infinite;
}

@keyframes float {

  0%,
  100% {
    transform: translate(0, 0) rotate(0deg);
  }

  50% {
    transform: translate(-30px, -30px) rotate(180deg);
  }
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-md);
  margin: var(--space-xl) 0;
}

.stat-item {
  text-align: center;
  padding: var(--space-lg);
  background-color: white;
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

.stat-number {
  font-size: var(--font-size-xxl);
  font-weight: 700;
  color: var(--color-primary);
  display: block;
  margin-bottom: var(--space-xs);
}

.stat-label {
  font-size: var(--font-size-sm);
  color: #666;
}

.process-steps {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  margin: var(--space-xl) 0;
}

.process-step {
  display: flex;
  gap: var(--space-md);
  align-items: flex-start;
  padding: var(--space-lg);
  background-color: white;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  opacity: 0;
  animation: fadeInUp 0.6s ease forwards;
}

.process-step:nth-child(1) {
  animation-delay: 0.1s;
}

.process-step:nth-child(2) {
  animation-delay: 0.2s;
}

.process-step:nth-child(3) {
  animation-delay: 0.3s;
}

.process-step:nth-child(4) {
  animation-delay: 0.4s;
}

.process-step:hover {
  transform: translateX(10px);
  box-shadow: var(--shadow-md);
}

.process-number {
  flex-shrink: 0;
  width: 50px;
  height: 50px;
  background-color: var(--color-primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: var(--font-size-lg);
}

.process-content h3 {
  margin-bottom: var(--space-xs);
  color: var(--color-primary);
}

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

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

.fade-in {
  opacity: 0;
  animation: fadeInUp 0.8s ease forwards;
}

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

.interactive-card::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(191, 70, 70, 0.1);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

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

.benefits-list {
  list-style: none;
  padding: 0;
  margin: var(--space-lg) 0;
}

.benefits-list li {
  padding: var(--space-md);
  margin-bottom: var(--space-sm);
  background-color: white;
  border-left: 4px solid var(--color-primary);
  border-radius: var(--border-radius-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.benefits-list li:hover {
  transform: translateX(10px);
  box-shadow: var(--shadow-sm);
}

.benefits-list li::before {
  content: '\f00c';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  color: var(--color-primary);
  margin-right: var(--space-sm);
}

.quote-block {
  background-color: var(--color-secondary);
  padding: var(--space-xl);
  border-radius: var(--border-radius-lg);
  border-left: 5px solid var(--color-primary);
  margin: var(--space-xl) 0;
  position: relative;
}

.quote-block::before {
  content: '\f10d';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  font-size: 3rem;
  color: var(--color-primary);
  opacity: 0.2;
  position: absolute;
  top: var(--space-md);
  left: var(--space-md);
}

.quote-text {
  font-size: var(--font-size-lg);
  font-style: italic;
  color: #555;
  margin-bottom: var(--space-md);
  position: relative;
  z-index: 1;
}

.quote-author {
  font-weight: 600;
  color: var(--color-primary);
  text-align: right;
}

.image-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-md);
  margin: var(--space-xl) 0;
}

.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--border-radius-md);
  aspect-ratio: 1;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.gallery-item:hover img {
  transform: scale(1.1);
}

.gallery-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.7) 0%, transparent 100%);
  opacity: 0;
  transition: opacity var(--transition-base);
  display: flex;
  align-items: flex-end;
  padding: var(--space-md);
}

.gallery-item:hover .gallery-overlay {
  opacity: 1;
}

.gallery-title {
  color: white;
  font-size: var(--font-size-sm);
}

.cta-banner {
  background: linear-gradient(135deg, var(--color-primary) 0%, #a03a3a 100%);
  color: white;
  padding: var(--space-xxl);
  border-radius: var(--border-radius-lg);
  text-align: center;
  margin: var(--space-xxl) 0;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
  animation: rotate 20s linear infinite;
}

@keyframes rotate {
  from {
    transform: rotate(0deg);
  }

  to {
    transform: rotate(360deg);
  }
}

.cta-banner h2,
.cta-banner p {
  position: relative;
  z-index: 1;
}

.cta-banner .btn {
  background-color: white;
  color: var(--color-primary);
  margin-top: var(--space-md);
  position: relative;
  z-index: 1;
}

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

.accordion {
  margin: var(--space-xl) 0;
}

.accordion-item {
  background-color: white;
  border-radius: var(--border-radius-md);
  margin-bottom: var(--space-sm);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

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

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

.accordion-header.active {
  background-color: var(--color-secondary);
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow), padding var(--transition-base);
  padding: 0 var(--space-md);
}

.accordion-content.active {
  max-height: 500px;
  padding: var(--space-md);
}

.accordion-icon {
  transition: transform var(--transition-base);
}

.accordion-header.active .accordion-icon {
  transform: rotate(180deg);
}

.scroll-reveal {
  opacity: 0;
  transform: translateY(50px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

@media (max-width: 480px) {
  :root {
    --font-size-hero: 1.75rem;
    --font-size-xl: 1.25rem;
  }

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

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

  .hero-content {
    padding: var(--space-md);
  }

  .popup {
    padding: var(--space-md);
  }

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

  .process-step {
    flex-direction: column;
    text-align: center;
  }

  .image-gallery {
    grid-template-columns: 1fr;
  }
}