:root {
  --primary: #1a1a1a;
  --accent: #c5a059;
  --bg: #fcfcfc;
  --text: #333;
  --text-light: #777;
  --white: #ffffff;
  --transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --shadow: 0 10px 30px rgba(0,0,0,0.05);
}

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

body {
  font-family: 'Noto Sans JP', sans-serif;
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, .logo {
  font-family: 'Shippori Mincho', serif;
  font-weight: 700;
  letter-spacing: 0.05em;
}

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

ul {
  list-style: none;
}

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

header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: 20px 50px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(10px);
}

.logo {
  font-size: 1.5rem;
  text-transform: uppercase;
}

nav ul {
  display: flex;
  gap: 30px;
}

nav ul li a:hover {
  color: var(--accent);
}

.hero {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background-attachment: fixed;
  background-size: cover;
  background-position: center;
  color: var(--white);
  position: relative;
}

.hero::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.3);
}

.hero-content {
  position: relative;
  z-index: 1;
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 1.5s forwards;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {transform: translateX(-50%) translateY(0);}
  40% {transform: translateX(-50%) translateY(-10px);}
  60% {transform: translateX(-50%) translateY(-5px);}
}

.btn {
  padding: 15px 40px;
  background: var(--white);
  color: var(--primary);
  border: none;
  cursor: pointer;
  font-weight: bold;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  transition: var(--transition);
  display: inline-block;
}

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

.hero-content {
  max-width: 700px;
  text-align: left;
}

.vertical-text {
  writing-mode: vertical-rl;
  text-orientation: mixed;
  font-family: 'Shippori Mincho', serif;
  font-size: 8rem;
  opacity: 0.03;
  position: absolute;
  top: 100px;
  right: 50px;
  pointer-events: none;
  z-index: 0;
}

.concept-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  padding: 150px 10%;
}

.concept-image {
  position: relative;
}

.concept-image::before {
  content: '';
  position: absolute;
  top: -20px;
  left: -20px;
  width: 100px;
  height: 100px;
  border-top: 2px solid var(--accent);
  border-left: 2px solid var(--accent);
}

.concept-content h2 {
  font-size: 3rem;
  margin-bottom: 30px;
}

.ethos-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  background: var(--primary);
  color: var(--white);
  padding: 100px 10%;
}

.ethos-item {
  text-align: center;
}

.ethos-number {
  font-size: 4rem;
  font-family: 'Shippori Mincho', serif;
  color: var(--accent);
  margin-bottom: 20px;
  display: block;
}

.masonry-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 200px;
  gap: 20px;
  padding: 100px 5%;
}

.masonry-item {
  position: relative;
  overflow: hidden;
  background: #eee;
}

.masonry-item.wide { grid-column: span 2; }
.masonry-item.tall { grid-row: span 2; }

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

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

.feature-tag {
  position: absolute;
  top: 20px;
  left: 20px;
  background: var(--white);
  padding: 5px 15px;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.newsletter-section {
  text-align: center;
  padding: 150px 20%;
  background: #f4f1ea;
}

.newsletter-section h2 {
  font-size: 2.5rem;
  margin-bottom: 20px;
}

.newsletter-form {
  display: flex;
  gap: 10px;
  margin-top: 40px;
}

.newsletter-form input {
  flex: 1;
  padding: 15px;
  border: none;
  background: var(--white);
}

.testimonial-section {
  padding: 150px 10%;
  background: var(--white);
  text-align: center;
}

.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 60px;
  margin-top: 60px;
}

.testimonial-item {
  text-align: left;
  padding: 40px;
  background: #fdfcf9;
  border-left: 3px solid var(--accent);
}

.testimonial-text {
  font-style: italic;
  font-size: 1.1rem;
  margin-bottom: 20px;
  line-height: 1.8;
}

.testimonial-author {
  font-weight: bold;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.region-section {
  padding: 100px 10%;
  background: var(--primary);
  color: var(--white);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.region-list {
  display: flex;
  gap: 40px;
}

.region-item span {
  display: block;
  font-size: 0.8rem;
  color: var(--accent);
  margin-bottom: 5px;
}

.region-item h4 {
  font-size: 1.2rem;
}

.press-bar {
  padding: 60px 10%;
  border-top: 1px solid #eee;
  border-bottom: 1px solid #eee;
  display: flex;
  justify-content: space-around;
  align-items: center;
  opacity: 0.5;
  filter: grayscale(1);
}

.press-logo {
  font-family: 'Shippori Mincho', serif;
  font-weight: bold;
  font-size: 1.2rem;
}

.showroom-section {
  padding: 150px 10%;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 100px;
  align-items: center;
}

@media (max-width: 992px) {
  .concept-section, .ethos-grid, .testimonial-grid, .region-section, .showroom-section {
    grid-template-columns: 1fr;
    flex-direction: column;
    gap: 40px;
    padding: 80px 5%;
  }
  .masonry-grid {
    grid-template-columns: 1fr 1fr;
  }
  .hero {
    padding: 40px;
  }
  .vertical-text {
    font-size: 4rem;
  }
  .region-list {
    flex-wrap: wrap;
    gap: 20px;
  }
}

section {
  padding: 100px 50px;
}

.section-title {
  text-align: center;
  margin-bottom: 60px;
}

.section-title h2 {
  font-size: 2.5rem;
  margin-bottom: 10px;
}

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 40px;
}

.product-card {
  background: var(--white);
  padding: 20px;
  box-shadow: var(--shadow);
  transition: var(--transition);
  cursor: pointer;
}

.product-card:hover {
  transform: translateY(-10px);
}

.product-img {
  height: 300px;
  overflow: hidden;
  margin-bottom: 20px;
  position: relative;
}

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

.product-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
}

.product-card:hover .product-overlay {
  opacity: 1;
}

.quick-add {
  background: var(--white);
  color: var(--primary);
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  cursor: pointer;
  transform: translateY(20px);
  transition: var(--transition);
  box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.product-card:hover .quick-add {
  transform: translateY(0);
}

.quick-add:hover {
  background: var(--accent);
  color: var(--white);
}

.product-card:hover .product-img img {
  transform: scale(1.05);
}

.product-info h3 {
  font-size: 1.2rem;
  margin-bottom: 10px;
}

.product-price {
  color: var(--accent);
  font-weight: bold;
}

footer {
  background: var(--primary);
  color: var(--white);
  padding: 80px 50px 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 40px;
  margin-bottom: 60px;
}

.footer-col h4 {
  margin-bottom: 25px;
  font-size: 1.1rem;
}

.footer-col ul li {
  margin-bottom: 15px;
  color: #ccc;
}

.footer-col ul li a:hover {
  color: var(--accent);
}

.footer-bottom {
  border-top: 1px solid #333;
  padding-top: 40px;
  text-align: center;
  font-size: 0.9rem;
  color: #888;
}

.disclaimer {
  font-size: 0.8rem;
  margin-top: 20px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.8);
  z-index: 2000;
  justify-content: center;
  align-items: center;
  backdrop-filter: blur(5px);
}

.modal-content {
  background: var(--white);
  padding: 50px;
  max-width: 900px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  font-size: 1.5rem;
  cursor: pointer;
}

.cart-icon {
  position: relative;
}

.cart-count {
  position: absolute;
  top: -10px;
  right: -15px;
  background: var(--accent);
  color: var(--white);
  border-radius: 50%;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
}

.filter-container {
  margin-bottom: 40px;
  display: flex;
  gap: 20px;
  justify-content: center;
}

.filter-btn {
  padding: 8px 20px;
  border: 1px solid #ddd;
  background: none;
  cursor: pointer;
  transition: var(--transition);
}

.filter-btn.active, .filter-btn:hover {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
}

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

.form-group label {
  display: block;
  margin-bottom: 8px;
}

.form-group input, .form-group textarea {
  width: 100%;
  padding: 12px;
  border: 1px solid #ddd;
  outline: none;
}

.checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 15px;
  font-size: 0.9rem;
}

.checkbox-group input {
  width: auto;
  margin-top: 4px;
}

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

@media (max-width: 768px) {
  header {
    padding: 15px 20px;
  }
  nav ul {
    display: none;
  }
  .hero h1 {
    font-size: 2.5rem;
  }
}