:root {
  --color-primary: #474E93;
  --color-secondary: #7E5CAD;
  --color-accent: #72BAA9;
  --color-light: #D5E7B5;
  --color-dark: #2a2a2a;
  --color-text: #333333;
  --color-bg: #fafafa;
  --color-white: #ffffff;

  --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 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: 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 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;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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: 500;
  line-height: 1.2;
  margin-bottom: var(--space-md);
}

h1 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
}

h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

h3 {
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
}

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

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

.header {
  background-color: var(--color-white);
  box-shadow: var(--shadow-sm);
  position: relative;
  z-index: 1000;
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-md) var(--space-md);
  max-width: 1200px;
  margin: 0 auto;
}

.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-list {
  display: flex;
  list-style: none;
  gap: var(--space-lg);
  align-items: center;
}

.nav-link {
  font-size: clamp(0.875rem, 1.5vw, 1rem);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  transition: var(--transition);
  position: relative;
}

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

.nav-link.active {
  background-color: var(--color-accent);
  color: var(--color-white);
}

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

.mobile-menu {
  display: block;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background-color: var(--color-white);
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  max-height: 0;
  overflow: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease, max-height 0.3s ease;
  z-index: 999;
}

.mobile-menu.active {
  opacity: 1;
  visibility: visible;
  max-height: 500px;
}

.mobile-nav-list {
  list-style: none;
  padding: var(--space-md);
}

.mobile-nav-item {
  margin-bottom: var(--space-sm);
}

.mobile-nav-link {
  display: block;
  padding: var(--space-md);
  border-radius: var(--radius-sm);
  background-color: var(--color-light);
  transition: var(--transition);
}

.mobile-nav-link:hover {
  background-color: var(--color-accent);
  color: var(--color-white);
}

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

.hero-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--space-2xl) var(--space-xl);
  background: linear-gradient(135deg, var(--color-light) 0%, var(--color-accent) 100%);
}

.hero-image {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-2xl);
}

.hero-image-placeholder {
  width: 100%;
  height: 100%;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-size: clamp(1rem, 2vw, 1.25rem);
}

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

.hero-text {
  color: var(--color-text);
  font-size: clamp(1rem, 2vw, 1.125rem);
  margin-bottom: var(--space-xl);
}

.btn {
  display: inline-block;
  padding: var(--space-md) var(--space-xl);
  border-radius: var(--radius-md);
  font-size: clamp(0.875rem, 1.5vw, 1rem);
  font-weight: 500;
  text-align: center;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  font-family: var(--font-primary);
}

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

.btn-primary:hover {
  background-color: var(--color-secondary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

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

.section {
  padding: var(--space-2xl) var(--space-md);
}

.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: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

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

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

.card-text {
  font-size: clamp(0.875rem, 1.5vw, 1rem);
  color: var(--color-text);
}

.product-card {
  text-align: center;
}

.product-image {
  width: 100%;
  height: 200px;
  background: linear-gradient(135deg, var(--color-light) 0%, var(--color-accent) 100%);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  font-size: clamp(0.875rem, 1.5vw, 1rem);
}

.product-price {
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
  font-weight: 600;
  color: var(--color-secondary);
  margin-top: var(--space-md);
}

.contact-section {
  background: linear-gradient(135deg, var(--color-light) 0%, var(--color-accent) 100%);
  padding: var(--space-2xl) var(--space-md);
  border-radius: var(--radius-lg);
  margin: var(--space-2xl) auto;
  max-width: 800px;
}

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

.form-group {
  display: flex;
  flex-direction: column;
}

.form-label {
  margin-bottom: var(--space-sm);
  font-weight: 500;
  color: var(--color-primary);
  font-size: clamp(0.875rem, 1.5vw, 1rem);
}

.form-input,
.form-textarea {
  padding: var(--space-md);
  border: 2px solid var(--color-accent);
  border-radius: var(--radius-md);
  font-family: var(--font-primary);
  font-size: clamp(0.875rem, 1.5vw, 1rem);
  transition: var(--transition);
}

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

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

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

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

.checkbox-label {
  font-size: clamp(0.75rem, 1.5vw, 0.875rem);
  line-height: 1.5;
}

.map-container {
  margin: var(--space-xl) 0;
  border-radius: var(--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: var(--color-white);
  padding: var(--space-xl) var(--space-md);
  margin-top: auto;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}

.footer-cta {
  margin-bottom: var(--space-xl);
}

.footer-cta-title {
  color: var(--color-white);
  margin-bottom: var(--space-md);
}

.footer-cta-text {
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--space-lg);
}

.footer-links {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-top: var(--space-lg);
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.footer-link {
  color: rgba(255, 255, 255, 0.8);
  font-size: clamp(0.75rem, 1.5vw, 0.875rem);
  transition: var(--transition);
}

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

.copyright {
  margin-top: var(--space-md);
  font-size: clamp(0.75rem, 1.5vw, 0.875rem);
  color: rgba(255, 255, 255, 0.7);
}

.privacy-popup {
  position: fixed;
  bottom: var(--space-md);
  left: var(--space-md);
  right: var(--space-md);
  background-color: var(--color-white);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  z-index: 10000;
  max-width: 500px;
  margin: 0 auto;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.privacy-popup.active {
  opacity: 1;
  visibility: visible;
}

.privacy-popup-content {
  margin-bottom: var(--space-md);
}

.privacy-popup-text {
  font-size: clamp(0.75rem, 1.5vw, 0.875rem);
  margin-bottom: var(--space-md);
}

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

.error-page {
  min-height: 60vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-2xl);
}

.error-title {
  font-size: clamp(3rem, 8vw, 6rem);
  color: var(--color-primary);
  margin-bottom: var(--space-md);
}

.error-text {
  font-size: clamp(1rem, 2vw, 1.25rem);
  margin-bottom: var(--space-xl);
}

.testimonial-card {
  background: linear-gradient(135deg, var(--color-light) 0%, rgba(255, 255, 255, 0.5) 100%);
  border-left: 4px solid var(--color-accent);
}

.testimonial-author {
  margin-top: var(--space-md);
  font-weight: 600;
  color: var(--color-primary);
  font-size: clamp(0.875rem, 1.5vw, 1rem);
}

.project-card {
  position: relative;
  overflow: hidden;
}

.project-image {
  width: 100%;
  height: 200px;
  background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-primary) 100%);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-size: clamp(0.875rem, 1.5vw, 1rem);
}

@media (max-width: 768px) {
  .nav-list {
    display: none;
  }

  .menu-toggle {
    display: block;
  }

  .mobile-menu {
    display: block;
  }

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

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

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

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

  .footer-links {
    flex-direction: column;
    align-items: center;
  }

  .privacy-popup {
    left: var(--space-sm);
    right: var(--space-sm);
  }
}

.feature-block {
  background: linear-gradient(135deg, rgba(71, 78, 147, 0.05) 0%, rgba(126, 92, 173, 0.05) 100%);
  border-left: 3px solid var(--color-accent);
  padding: var(--space-xl);
  margin: var(--space-lg) 0;
  border-radius: var(--radius-md);
  animation: fadeInUp 0.6s ease-out;
}

.feature-block-icon {
  font-size: 2.5rem;
  color: var(--color-accent);
  margin-bottom: var(--space-md);
  display: inline-block;
}

.stats-section {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  color: var(--color-white);
  padding: var(--space-2xl) var(--space-md);
  border-radius: var(--radius-lg);
  margin: var(--space-2xl) 0;
}

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

.stat-item {
  text-align: center;
  animation: fadeInUp 0.8s ease-out;
}

.stat-number {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  color: var(--color-light);
  display: block;
  margin-bottom: var(--space-sm);
}

.stat-label {
  font-size: clamp(0.875rem, 2vw, 1.125rem);
  opacity: 0.9;
}

.process-step {
  position: relative;
  padding-left: var(--space-xl);
  margin-bottom: var(--space-xl);
  animation: slideInRight 0.6s ease-out;
}

.process-step::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 3px;
  height: 100%;
  background: linear-gradient(180deg, var(--color-accent) 0%, var(--color-primary) 100%);
  border-radius: var(--radius-sm);
}

.process-number {
  position: absolute;
  left: -15px;
  top: 0;
  width: 30px;
  height: 30px;
  background-color: var(--color-accent);
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.875rem;
}

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

.interactive-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: left 0.5s ease;
}

.interactive-card:hover::before {
  left: 100%;
}

.quote-block {
  background-color: var(--color-light);
  border-left: 4px solid var(--color-secondary);
  padding: var(--space-xl);
  margin: var(--space-xl) 0;
  border-radius: var(--radius-md);
  font-style: italic;
  position: relative;
}

.quote-block::before {
  content: '"';
  position: absolute;
  top: -10px;
  left: var(--space-md);
  font-size: 4rem;
  color: var(--color-accent);
  opacity: 0.3;
  font-family: serif;
}

.cta-banner {
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-primary) 100%);
  color: var(--color-white);
  padding: var(--space-2xl) var(--space-md);
  border-radius: var(--radius-lg);
  text-align: center;
  margin: var(--space-2xl) 0;
  animation: fadeInUp 0.8s ease-out;
}

.cta-banner h2 {
  color: var(--color-white);
  margin-bottom: var(--space-md);
}

.cta-banner p {
  color: rgba(255, 255, 255, 0.95);
  margin-bottom: var(--space-lg);
}

.benefit-list {
  list-style: none;
  padding: 0;
}

.benefit-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
  padding: var(--space-md);
  background-color: rgba(114, 186, 169, 0.1);
  border-radius: var(--radius-sm);
  animation: fadeInUp 0.6s ease-out;
}

.benefit-icon {
  color: var(--color-accent);
  font-size: 1.5rem;
  flex-shrink: 0;
  margin-top: var(--space-xs);
}

.pricing-card {
  position: relative;
  border: 2px solid var(--color-accent);
  transition: var(--transition);
}

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

.pricing-card.featured {
  border-color: var(--color-secondary);
  transform: scale(1.05);
}

.pricing-card.featured::before {
  content: 'Popular';
  position: absolute;
  top: -12px;
  right: var(--space-md);
  background-color: var(--color-secondary);
  color: var(--color-white);
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
}

.fade-in {
  animation: fadeIn 0.8s ease-out;
}

.fade-in-up {
  animation: fadeInUp 0.8s ease-out;
}

.slide-in-right {
  animation: slideInRight 0.8s ease-out;
}

.zen-divider {
  width: 60px;
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent) 0%, var(--color-primary) 100%);
  margin: var(--space-xl) auto;
  border-radius: var(--radius-sm);
}

.zen-divider.large {
  width: 100px;
  height: 3px;
}

.text-highlight {
  background: linear-gradient(120deg, var(--color-light) 0%, var(--color-accent) 100%);
  background-repeat: no-repeat;
  background-size: 100% 0.3em;
  background-position: 0 88%;
  padding: 0 0.2em;
}

.accordion-container {
  max-width: 800px;
  margin: 0 auto;
}

.accordion-item {
  border-bottom: 1px solid rgba(114, 186, 169, 0.2);
  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: rgba(114, 186, 169, 0.1);
}

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

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

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

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

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

.tab-buttons {
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
  border-bottom: 2px solid var(--color-light);
  flex-wrap: wrap;
}

.tab-button {
  padding: var(--space-md) var(--space-lg);
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-primary);
  font-size: clamp(0.875rem, 1.5vw, 1rem);
  color: var(--color-text);
  border-bottom: 3px solid transparent;
  transition: var(--transition);
  position: relative;
  bottom: -2px;
}

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

.tab-button.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-accent);
  font-weight: 600;
}

.tab-content {
  display: none;
  animation: fadeIn 0.4s ease-out;
}

.tab-content.active {
  display: block;
}

.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: 320px) {
  .container {
    padding: 0 var(--space-sm);
  }

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

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

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

  .pricing-card.featured {
    transform: scale(1);
  }
}

@media (min-width: 769px) {
  .mobile-menu {
    display: none !important;
  }

  .menu-toggle {
    display: none !important;
  }
}