@import url("https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@300;400;500;600;700&display=swap");

:root {
  --primary-color: #1a5f7a;
  --secondary-color: #57c5b6;
  --accent-color: #159895;
  --text-dark: #2d3436;
  --text-light: #636e72;
  --bg-light: #f8f9fa;
  --bg-white: #ffffff;
  --border-color: #e0e0e0;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Noto Sans JP", sans-serif;
  line-height: 1.8;
  color: var(--text-dark);
  background-color: var(--bg-white);
}

a {
  text-decoration: none;
  color: inherit;
  transition: color 0.3s ease;
}

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(26, 95, 122, 0.98);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 30px;
}

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

.mobile-menu a {
  color: white;
  font-size: 1.2rem;
  padding: 10px 20px;
}

.mobile-menu-close {
  position: absolute;
  top: 20px;
  right: 20px;
  font-size: 2rem;
  color: white;
  cursor: pointer;
  background: none;
  border: none;
}

header {
  background-color: var(--bg-white);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 20px;
  max-width: 1200px;
  margin: 0 auto;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo img {
  height: 40px;
}

.logo-text {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--primary-color);
}

nav ul {
  display: flex;
  list-style: none;
  gap: 30px;
}

nav a {
  font-weight: 500;
  color: var(--text-dark);
  position: relative;
}

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

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

nav a:hover::after {
  width: 100%;
}

.contact-btn {
  background-color: var(--primary-color);
  color: white !important;
  padding: 10px 25px;
  border-radius: 25px;
  font-weight: 500;
}

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

.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 5px;
}

.hamburger span {
  width: 25px;
  height: 3px;
  background-color: var(--primary-color);
  border-radius: 2px;
}

.hero {
  position: relative;
  height: 80vh;
  min-height: 500px;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -1;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(26, 95, 122, 0.9) 0%, rgba(21, 152, 149, 0.7) 100%);
  z-index: -1;
}

.hero-content {
  max-width: 700px;
  color: white;
  padding: 40px;
}

.hero h1 {
  font-size: 2.8rem;
  margin-bottom: 20px;
  line-height: 1.3;
}

.hero p {
  font-size: 1.1rem;
  margin-bottom: 30px;
  opacity: 0.95;
}

.btn-primary {
  display: inline-block;
  background-color: var(--secondary-color);
  color: white;
  padding: 15px 35px;
  border-radius: 30px;
  font-weight: 600;
  transition: all 0.3s ease;
}

.btn-primary:hover {
  background-color: white;
  color: var(--primary-color);
  transform: translateY(-2px);
}

.btn-secondary {
  display: inline-block;
  background-color: transparent;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
  padding: 13px 33px;
  border-radius: 30px;
  font-weight: 600;
  transition: all 0.3s ease;
}

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

section {
  padding: 80px 20px;
}

.section-title {
  text-align: center;
  margin-bottom: 50px;
}

.section-title h2 {
  font-size: 2rem;
  color: var(--primary-color);
  margin-bottom: 15px;
}

.section-title p {
  color: var(--text-light);
  max-width: 600px;
  margin: 0 auto;
}

.benefits {
  background-color: var(--bg-light);
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto;
}

.benefit-card {
  background: white;
  padding: 35px;
  border-radius: 15px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
  transition: transform 0.3s ease;
}

.benefit-card:hover {
  transform: translateY(-5px);
}

.benefit-card h3 {
  color: var(--primary-color);
  margin-bottom: 15px;
  font-size: 1.2rem;
}

.benefit-card p {
  color: var(--text-light);
  font-size: 0.95rem;
}

.benefit-icon {
  width: 60px;
  height: 60px;
  background-color: var(--secondary-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.5rem;
  color: white;
}

.before-after {
  background: white;
}

.ba-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 40px;
  max-width: 1200px;
  margin: 0 auto;
}

.ba-item {
  background: var(--bg-light);
  border-radius: 15px;
  overflow: hidden;
  padding: 25px;
}

.ba-images {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 15px;
  margin-bottom: 20px;
}

.ba-images img {
  border-radius: 10px;
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.ba-label {
  display: inline-block;
  padding: 5px 15px;
  border-radius: 20px;
  font-size: 0.8rem;
  margin-right: 10px;
  margin-bottom: 10px;
}

.ba-label.before {
  background-color: #ffebee;
  color: #c62828;
}

.ba-label.after {
  background-color: #e8f5e9;
  color: #2e7d32;
}

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

.testimonials .section-title h2 {
  color: white;
}

.testimonials .section-title p {
  color: rgba(255, 255, 255, 0.8);
}

.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto;
}

.testimonial-card {
  background: rgba(255, 255, 255, 0.1);
  padding: 30px;
  border-radius: 15px;
  backdrop-filter: blur(10px);
}

.testimonial-card img {
  width: 70px;
  height: 70px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: 15px;
}

.testimonial-card p {
  font-style: italic;
  margin-bottom: 15px;
  opacity: 0.95;
}

.testimonial-card .author {
  font-weight: 600;
  color: var(--secondary-color);
}

.wholesale {
  background: linear-gradient(135deg, var(--bg-light) 0%, white 100%);
}

.wholesale-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
}

.wholesale-image img {
  border-radius: 20px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.wholesale-text h2 {
  font-size: 2rem;
  color: var(--primary-color);
  margin-bottom: 20px;
}

.wholesale-text p {
  color: var(--text-light);
  margin-bottom: 25px;
}

.wholesale-features {
  list-style: none;
  margin-bottom: 30px;
}

.wholesale-features li {
  padding: 10px 0;
  padding-left: 30px;
  position: relative;
}

.wholesale-features li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--secondary-color);
  font-weight: bold;
}

.faq {
  background: white;
}

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

.faq-item {
  border-bottom: 1px solid var(--border-color);
  padding: 25px 0;
}

.faq-question {
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: 10px;
  font-size: 1.1rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-answer {
  color: var(--text-light);
  line-height: 1.8;
}

.contact-section {
  background-color: var(--bg-light);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  max-width: 1200px;
  margin: 0 auto;
}

.contact-form {
  background: white;
  padding: 40px;
  border-radius: 15px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.contact-form h3 {
  color: var(--primary-color);
  margin-bottom: 25px;
  font-size: 1.5rem;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
  color: var(--text-dark);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 15px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-family: inherit;
  font-size: 1rem;
  transition: border-color 0.3s ease;
}

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

.form-group textarea {
  height: 150px;
  resize: vertical;
}

.submit-btn {
  background-color: var(--primary-color);
  color: white;
  border: none;
  padding: 15px 40px;
  border-radius: 30px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

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

.contact-info {
  padding: 20px;
}

.contact-info h3 {
  color: var(--primary-color);
  margin-bottom: 30px;
  font-size: 1.5rem;
}

.info-item {
  display: flex;
  gap: 15px;
  margin-bottom: 25px;
  padding: 20px;
  background: white;
  border-radius: 10px;
  box-shadow: 0 3px 15px rgba(0, 0, 0, 0.05);
}

.info-icon {
  width: 50px;
  height: 50px;
  background-color: var(--secondary-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.info-content h4 {
  color: var(--primary-color);
  margin-bottom: 5px;
}

.info-content p {
  color: var(--text-light);
  font-size: 0.95rem;
}

.info-content a {
  color: var(--primary-color);
}

.info-content a:hover {
  color: var(--secondary-color);
}

footer {
  background-color: var(--text-dark);
  color: white;
  padding: 60px 20px 30px;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 40px;
  max-width: 1200px;
  margin: 0 auto 40px;
}

.footer-section h4 {
  color: var(--secondary-color);
  margin-bottom: 20px;
  font-size: 1.1rem;
}

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

.footer-section li {
  margin-bottom: 10px;
}

.footer-section a {
  color: rgba(255, 255, 255, 0.7);
  transition: color 0.3s ease;
}

.footer-section a:hover {
  color: var(--secondary-color);
}

.footer-bottom {
  text-align: center;
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.9rem;
}

.page-hero {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
  color: white;
  padding: 100px 20px 60px;
  text-align: center;
}

.page-hero h1 {
  font-size: 2.5rem;
  margin-bottom: 15px;
}

.page-hero p {
  opacity: 0.9;
  max-width: 600px;
  margin: 0 auto;
}

.product-section {
  background: white;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto;
}

.product-card {
  background: var(--bg-light);
  border-radius: 15px;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.product-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

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

.product-info {
  padding: 25px;
}

.product-info h3 {
  color: var(--primary-color);
  margin-bottom: 10px;
}

.product-info p {
  color: var(--text-light);
  margin-bottom: 15px;
  font-size: 0.95rem;
}

.product-price {
  font-weight: 700;
  color: var(--accent-color);
  font-size: 1.2rem;
}

.usage-steps {
  background: var(--bg-light);
}

.steps-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto;
}

.step-card {
  background: white;
  padding: 30px;
  border-radius: 15px;
  text-align: center;
  position: relative;
}

.step-number {
  width: 50px;
  height: 50px;
  background: var(--primary-color);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.3rem;
  margin: 0 auto 20px;
}

.step-card h3 {
  color: var(--primary-color);
  margin-bottom: 10px;
}

.step-card p {
  color: var(--text-light);
  font-size: 0.95rem;
}

.company-info {
  background: white;
}

.company-table {
  max-width: 800px;
  margin: 0 auto 50px;
  border-collapse: collapse;
  width: 100%;
}

.company-table tr {
  border-bottom: 1px solid var(--border-color);
}

.company-table th,
.company-table td {
  padding: 20px;
  text-align: left;
}

.company-table th {
  background-color: var(--bg-light);
  color: var(--primary-color);
  font-weight: 600;
  width: 30%;
}

.company-table td {
  color: var(--text-dark);
}

.ceo-section {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 40px;
  max-width: 1000px;
  margin: 50px auto;
  align-items: start;
}

.ceo-image img {
  border-radius: 15px;
  width: 100%;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.ceo-message h3 {
  color: var(--primary-color);
  margin-bottom: 20px;
  font-size: 1.5rem;
}

.ceo-message p {
  color: var(--text-light);
  margin-bottom: 15px;
}

.philosophy-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  max-width: 1200px;
  margin: 50px auto;
}

.philosophy-card {
  background: var(--bg-light);
  padding: 30px;
  border-radius: 15px;
  border-left: 4px solid var(--secondary-color);
}

.philosophy-card h4 {
  color: var(--primary-color);
  margin-bottom: 10px;
}

.philosophy-card p {
  color: var(--text-light);
  font-size: 0.95rem;
}

.timeline {
  max-width: 800px;
  margin: 50px auto;
  position: relative;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 20px;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--secondary-color);
}

.timeline-item {
  padding-left: 60px;
  margin-bottom: 40px;
  position: relative;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: 10px;
  top: 5px;
  width: 24px;
  height: 24px;
  background: var(--primary-color);
  border-radius: 50%;
  border: 4px solid white;
  box-shadow: 0 0 0 3px var(--secondary-color);
}

.timeline-item h4 {
  color: var(--primary-color);
  margin-bottom: 10px;
}

.timeline-item p {
  color: var(--text-light);
}

.case-studies {
  background: var(--bg-light);
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto;
}

.case-card {
  background: white;
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
}

.case-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.case-content {
  padding: 25px;
}

.case-content h3 {
  color: var(--primary-color);
  margin-bottom: 15px;
}

.case-content p {
  color: var(--text-light);
  font-size: 0.95rem;
  margin-bottom: 15px;
}

.case-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.case-tag {
  background: var(--bg-light);
  color: var(--primary-color);
  padding: 5px 15px;
  border-radius: 20px;
  font-size: 0.85rem;
}

.price-table {
  width: 100%;
  max-width: 1000px;
  margin: 0 auto;
  border-collapse: collapse;
  background: white;
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
}

.price-table th,
.price-table td {
  padding: 20px;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

.price-table th {
  background: var(--primary-color);
  color: white;
  font-weight: 600;
}

.price-table tr:last-child td {
  border-bottom: none;
}

.price-table tr:hover {
  background-color: var(--bg-light);
}

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: white;
  padding: 20px;
  box-shadow: 0 -5px 20px rgba(0, 0, 0, 0.1);
  z-index: 1000;
  display: none;
}

.cookie-banner.show {
  display: block;
}

.cookie-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.cookie-content p {
  flex: 1;
  color: var(--text-light);
  font-size: 0.9rem;
}

.cookie-buttons {
  display: flex;
  gap: 10px;
}

.cookie-btn {
  padding: 10px 20px;
  border-radius: 20px;
  cursor: pointer;
  font-size: 0.9rem;
  border: none;
}

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

.cookie-btn.decline {
  background: var(--border-color);
  color: var(--text-dark);
}

@media (max-width: 992px) {
  .wholesale-content {
    grid-template-columns: 1fr;
  }

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

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

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

  .hamburger {
    display: flex;
  }

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

  .hero-content {
    padding: 20px;
  }

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

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

  .section-title h2 {
    font-size: 1.6rem;
  }

  .page-hero h1 {
    font-size: 1.8rem;
  }

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

@media (max-width: 480px) {
  .benefits-grid,
  .product-grid,
  .steps-container {
    grid-template-columns: 1fr;
  }

  .hero {
    height: auto;
    min-height: 400px;
  }

  .btn-primary,
  .btn-secondary {
    display: block;
    text-align: center;
    margin-bottom: 10px;
  }
}