:root {
  --color-light: #EBEAFF;
  --color-medium: #9694FF;
  --color-dark: #3D3BF3;
  --color-accent: #FF2929;
  --color-text: #2C2C2C;
  --color-text-light: #666666;
  --color-bg: #FFFFFF;
  --color-bg-alt: #F8F8F8;

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

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

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

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 20px rgba(0, 0, 0, 0.12);

  --transition: all 0.3s ease;
  --transition-slow: all 0.5s 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 float {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-10px);
  }
}

.fade-in-up {
  animation: fadeInUp 0.6s ease-out forwards;
  opacity: 0;
}

.fade-in {
  animation: fadeIn 0.6s ease-out forwards;
  opacity: 0;
}

.slide-in-left {
  animation: slideInLeft 0.6s ease-out forwards;
  opacity: 0;
}

.slide-in-right {
  animation: slideInRight 0.6s ease-out forwards;
  opacity: 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;
  overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-secondary);
  font-weight: 500;
  line-height: 1.3;
  margin-bottom: var(--space-md);
}

h1 {
  font-size: clamp(1.75rem, 5vw, 3rem);
}

h2 {
  font-size: clamp(1.5rem, 4vw, 2.25rem);
}

h3 {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
}

p {
  margin-bottom: var(--space-md);
  font-size: clamp(0.875rem, 2vw, 1rem);
}

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

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

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

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

header {
  position: relative;
  background-color: var(--color-bg);
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--color-light);
}

.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;
  align-items: center;
}

.nav-links {
  display: none;
  list-style: none;
  gap: var(--space-lg);
}

.nav-links.active {
  display: flex;
  flex-direction: column;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background-color: var(--color-bg);
  padding: var(--space-lg);
  border-bottom: 1px solid var(--color-light);
  z-index: 100;
  opacity: 0;
  animation: fadeIn 0.3s ease forwards;
}

@keyframes fadeIn {
  to {
    opacity: 1;
  }
}

.nav-links li {
  margin-bottom: var(--space-sm);
}

.nav-links a {
  position: relative;
  padding-bottom: var(--space-xs);
  font-size: clamp(0.875rem, 2vw, 1rem);
}

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

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.menu-toggle {
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-xs);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-dark);
  font-size: 1.5rem;
  transition: var(--transition);
}

.menu-toggle:hover {
  color: var(--color-medium);
}

@media (min-width: 768px) {
  .nav-links {
    display: flex;
    flex-direction: row;
    position: static;
    padding: 0;
    border: none;
    opacity: 1;
  }

  .nav-links.active {
    position: static;
    animation: none;
  }

  .menu-toggle {
    display: none;
  }
}

.hero {
  position: relative;
  width: 100%;
  height: 100vh;
  min-height: 500px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-light) 0%, var(--color-medium) 100%);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(2px);
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: var(--color-dark);
  padding: var(--space-lg);
  max-width: 800px;
}

.hero-content h1 {
  margin-bottom: var(--space-lg);
  font-weight: 400;
  letter-spacing: 0.05em;
  animation: fadeInUp 1s ease-out;
}

.hero-content p {
  animation: fadeInUp 1.2s ease-out;
}

.hero-content .btn {
  animation: fadeInUp 1.4s ease-out;
}

.hero-content p {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: var(--color-text);
  margin-bottom: var(--space-xl);
}

section {
  padding: var(--space-2xl) 0;
  opacity: 0;
  animation: fadeInUp 0.8s ease-out forwards;
}

section.visible {
  opacity: 1;
}

section:nth-child(even) {
  animation-delay: 0.1s;
}

section:nth-child(odd) {
  animation-delay: 0.2s;
}

.section-title {
  text-align: center;
  margin-bottom: var(--space-2xl);
  color: var(--color-dark);
}

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

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

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

.product-card {
  background-color: var(--color-bg);
  border: 1px solid var(--color-light);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  transition: var(--transition);
  text-align: center;
}

.product-card {
  opacity: 0;
  animation: fadeInUp 0.6s ease-out forwards;
}

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

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

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

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

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

.product-card h3 {
  margin-bottom: var(--space-sm);
  font-size: clamp(1.125rem, 2.5vw, 1.5rem);
}

.product-price {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  color: var(--color-dark);
  font-weight: 600;
  margin-top: var(--space-md);
}

.btn {
  display: inline-block;
  padding: var(--space-sm) var(--space-lg);
  background-color: var(--color-dark);
  color: var(--color-bg);
  border: none;
  border-radius: var(--radius-sm);
  font-size: clamp(0.875rem, 2vw, 1rem);
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
  font-family: var(--font-primary);
}

.btn:hover {
  background-color: var(--color-medium);
  color: var(--color-bg);
}

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

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

.contact-section {
  background-color: var(--color-bg-alt);
  padding: var(--space-2xl) 0;
}

.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
}

@media (min-width: 768px) {
  .contact-wrapper {
    grid-template-columns: 1fr 1fr;
  }
}

.contact-form {
  background-color: var(--color-bg);
  padding: var(--space-xl);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-light);
}

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

.form-group label {
  display: block;
  margin-bottom: var(--space-xs);
  font-size: clamp(0.875rem, 2vw, 1rem);
  color: var(--color-text);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: var(--space-sm);
  border: 1px solid var(--color-light);
  border-radius: var(--radius-sm);
  font-family: var(--font-primary);
  font-size: clamp(0.875rem, 2vw, 1rem);
  transition: var(--transition);
}

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

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

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

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

.checkbox-group label {
  margin-bottom: 0;
  font-size: clamp(0.75rem, 1.5vw, 0.875rem);
}

.map-container {
  width: 100%;
  height: 300px;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-light);
}

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

footer {
  background-color: var(--color-bg-alt);
  padding: var(--space-lg) 0;
  border-top: 1px solid var(--color-light);
  margin-top: var(--space-2xl);
}

.footer-content {
  text-align: center;
  font-size: clamp(0.75rem, 1.5vw, 0.875rem);
  color: var(--color-text-light);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
  list-style: none;
}

.footer-links a {
  color: var(--color-text-light);
  font-size: clamp(0.75rem, 1.5vw, 0.875rem);
}

.footer-links a:hover {
  color: var(--color-dark);
}

.privacy-popup {
  position: fixed;
  bottom: var(--space-md);
  left: var(--space-md);
  right: var(--space-md);
  background-color: var(--color-bg);
  border: 1px solid var(--color-light);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  box-shadow: var(--shadow-lg);
  z-index: 1000;
  max-width: 500px;
  margin: 0 auto;
  opacity: 0;
  animation: fadeIn 0.5s ease forwards;
}

.privacy-popup.hidden {
  display: none;
}

.privacy-popup p {
  margin-bottom: var(--space-md);
  font-size: clamp(0.875rem, 2vw, 1rem);
}

.privacy-popup-buttons {
  display: flex;
  gap: var(--space-md);
  justify-content: flex-end;
}

.error-page {
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-2xl);
}

.error-page h1 {
  font-size: clamp(3rem, 8vw, 6rem);
  color: var(--color-dark);
  margin-bottom: var(--space-lg);
}

.error-page p {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  margin-bottom: var(--space-xl);
}

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

@media (min-width: 768px) {
  .testimonial-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.testimonial-card {
  background-color: var(--color-bg-alt);
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  border-left: 3px solid var(--color-medium);
}

.testimonial-card p {
  font-style: italic;
  margin-bottom: var(--space-md);
}

.testimonial-author {
  font-weight: 600;
  color: var(--color-dark);
  font-size: clamp(0.875rem, 2vw, 1rem);
}

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

@media (min-width: 768px) {
  .project-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.project-card {
  background-color: var(--color-bg);
  border: 1px solid var(--color-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
}

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

.project-card img {
  width: 100%;
  height: 250px;
  object-fit: cover;
}

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

.thank-you-page {
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-2xl);
}

.thank-you-content {
  max-width: 600px;
}

.thank-you-content h1 {
  color: var(--color-dark);
  margin-bottom: var(--space-lg);
}

.thank-you-content p {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  margin-bottom: var(--space-xl);
}

.policy-content {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--space-2xl) 0;
}

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

.policy-content h3 {
  margin-top: var(--space-lg);
  margin-bottom: var(--space-sm);
}

.policy-content ul {
  margin-left: var(--space-lg);
  margin-bottom: var(--space-md);
}

.policy-content li {
  margin-bottom: var(--space-xs);
}

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

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

.feature-card {
  text-align: center;
  padding: var(--space-lg);
  background-color: var(--color-bg);
  border: 1px solid var(--color-light);
  border-radius: var(--radius-md);
  transition: var(--transition);
  opacity: 0;
  animation: fadeInUp 0.6s ease-out forwards;
}

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

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

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

.feature-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.feature-icon {
  font-size: 2.5rem;
  color: var(--color-medium);
  margin-bottom: var(--space-md);
  display: inline-block;
  animation: float 3s ease-in-out infinite;
}

.feature-card:nth-child(2) .feature-icon {
  animation-delay: 0.5s;
}

.feature-card:nth-child(3) .feature-icon {
  animation-delay: 1s;
}

.stats-section {
  background: linear-gradient(135deg, var(--color-light) 0%, var(--color-medium) 100%);
  padding: var(--space-2xl) 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xl);
  text-align: center;
}

@media (min-width: 768px) {
  .stats-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

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

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

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

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

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

.stat-number {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 600;
  color: var(--color-dark);
  display: block;
  margin-bottom: var(--space-xs);
}

.stat-label {
  font-size: clamp(0.875rem, 2vw, 1rem);
  color: var(--color-text);
}

.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(61, 59, 243, 0.1);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

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

.accordion-item {
  border-bottom: 1px solid var(--color-light);
  margin-bottom: var(--space-md);
}

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

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

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

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

.accordion-icon {
  transition: transform 0.3s ease;
}

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

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

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

.cta-section {
  background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-medium) 100%);
  color: var(--color-bg);
  text-align: center;
  padding: var(--space-2xl) 0;
}

.cta-section h2,
.cta-section p {
  color: var(--color-bg);
}

.cta-section .btn {
  background-color: var(--color-bg);
  color: var(--color-dark);
}

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

.badge {
  display: inline-block;
  padding: var(--space-xs) var(--space-sm);
  background-color: var(--color-medium);
  color: var(--color-bg);
  border-radius: var(--radius-sm);
  font-size: clamp(0.75rem, 1.5vw, 0.875rem);
  font-weight: 500;
}

.quote-block {
  border-left: 4px solid var(--color-medium);
  padding-left: var(--space-lg);
  margin: var(--space-xl) 0;
  font-style: italic;
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: var(--color-text-light);
}

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

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

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

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

@media (max-width: 320px) {
  html {
    font-size: 14px;
  }

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

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