/* ========================================
   Reset & Base Styles
   ======================================== */

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

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", YuGothic, Meiryo, sans-serif;
  line-height: 1.7;
  color: #222222;
  background-color: #f7f3ee;
  overflow-x: hidden;
}

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

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

a:hover {
  opacity: 0.7;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* ========================================
   Container & Layout
   ======================================== */

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

@media (max-width: 768px) {
  .container {
    padding: 0 16px;
  }
}

/* ========================================
   Header & Navigation
   ======================================== */

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background-color: rgba(247, 243, 238, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  border-bottom: 1px solid rgba(0, 60, 90, 0.1);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0;
}

.logo {
  font-size: 24px;
  font-weight: 600;
  color: #003C5A;
  letter-spacing: 0.05em;
}

.nav-list {
  display: flex;
  gap: 32px;
  list-style: none;
}

.nav-link {
  font-size: 14px;
  color: #222222;
  font-weight: 500;
  transition: color 0.3s ease;
}

.nav-link:hover {
  color: #0F766E;
  opacity: 1;
}

@media (max-width: 1024px) {
  .nav-list {
    gap: 20px;
  }
  
  .nav-link {
    font-size: 13px;
  }
}

@media (max-width: 768px) {
  .header-content {
    flex-direction: column;
    gap: 16px;
  }
  
  .nav-list {
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px 16px;
  }
  
  .nav-link {
    font-size: 12px;
  }
}

/* ========================================
   Main Content
   ======================================== */

.main {
  margin-top: 80px;
}

@media (max-width: 768px) {
  .main {
    margin-top: 120px;
  }
}

/* ========================================
   Section Styles
   ======================================== */

section {
  padding: 80px 0;
}

@media (max-width: 768px) {
  section {
    padding: 60px 0;
  }
}

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

.section-label {
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  color: #0F766E;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section-title {
  font-size: 36px;
  font-weight: 700;
  color: #003C5A;
  line-height: 1.3;
}

@media (max-width: 768px) {
  .section-header {
    margin-bottom: 40px;
  }
  
  .section-title {
    font-size: 28px;
  }
}

/* ========================================
   Hero Section
   ======================================== */

.hero {
  padding: 100px 0;
  background: linear-gradient(135deg, #f7f3ee 0%, #e8e4df 100%);
}

.hero-content {
  display: flex;
  align-items: center;
  gap: 60px;
}

.hero-text {
  flex: 1;
}

.hero-title {
  font-size: 48px;
  font-weight: 700;
  color: #003C5A;
  margin-bottom: 24px;
  line-height: 1.2;
}

.hero-subtitle {
  font-size: 18px;
  color: #444444;
  margin-bottom: 36px;
  line-height: 1.8;
}

.hero-image {
  flex: 1;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.hero-image img {
  width: 100%;
  object-fit: cover;
}

@media (max-width: 768px) {
  .hero {
    padding: 60px 0;
  }
  
  .hero-content {
    flex-direction: column;
    gap: 40px;
  }
  
  .hero-title {
    font-size: 32px;
  }
  
  .hero-subtitle {
    font-size: 16px;
  }
}

/* ========================================
   Button Styles
   ======================================== */

.btn {
  display: inline-block;
  padding: 16px 40px;
  font-size: 16px;
  font-weight: 600;
  border-radius: 8px;
  transition: all 0.3s ease;
  text-align: center;
}

.btn-primary {
  background-color: #0F766E;
  color: #ffffff;
}

.btn-primary:hover {
  background-color: #0EA5E9;
  opacity: 1;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(15, 118, 110, 0.3);
}

@media (max-width: 768px) {
  .btn {
    padding: 14px 32px;
    font-size: 14px;
  }
}

/* ========================================
   About Section
   ======================================== */

.about {
  background-color: #ffffff;
}

.about-content {
  max-width: 900px;
  margin: 0 auto;
}

.about-text {
  font-size: 17px;
  line-height: 1.9;
  color: #333333;
  margin-bottom: 28px;
}

.about-text:last-child {
  margin-bottom: 0;
}

@media (max-width: 768px) {
  .about-text {
    font-size: 15px;
  }
}

/* ========================================
   Features Section
   ======================================== */

.features {
  background-color: #f7f3ee;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 40px;
}

.feature-card {
  background-color: #ffffff;
  padding: 40px 32px;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
}

.feature-icon {
  color: #0F766E;
  margin-bottom: 24px;
}

.feature-title {
  font-size: 20px;
  font-weight: 700;
  color: #003C5A;
  margin-bottom: 16px;
}

.feature-text {
  font-size: 15px;
  line-height: 1.8;
  color: #555555;
}

@media (max-width: 768px) {
  .features-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  
  .feature-card {
    padding: 32px 24px;
  }
}

/* ========================================
   Collection Section
   ======================================== */

.collection {
  background-color: #ffffff;
}

.collection-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 32px;
}

.product-card {
  background-color: #f7f3ee;
  border-radius: 12px;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.product-image {
  width: 100%;
  height: 280px;
  overflow: hidden;
  background-color: #ffffff;
}

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

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

.product-info {
  padding: 24px;
}

.product-name {
  font-size: 18px;
  font-weight: 700;
  color: #003C5A;
  margin-bottom: 12px;
}

.product-desc {
  font-size: 14px;
  line-height: 1.7;
  color: #555555;
}

@media (max-width: 768px) {
  .collection-grid {
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 20px;
  }
  
  .product-image {
    height: 240px;
  }
}

/* ========================================
   Story Section
   ======================================== */

.story {
  background-color: #f7f3ee;
}

.story-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.story-image {
  position: sticky;
  top: 120px;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.story-text p {
  font-size: 16px;
  line-height: 1.9;
  color: #333333;
  margin-bottom: 24px;
}

.story-text p:last-child {
  margin-bottom: 0;
}

@media (max-width: 768px) {
  .story-content {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  
  .story-image {
    position: static;
  }
  
  .story-text p {
    font-size: 15px;
  }
}

/* ========================================
   Scenes Section
   ======================================== */

.scenes {
  background-color: #ffffff;
}

.scenes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 40px;
}

.scene-card {
  background-color: #f7f3ee;
  border-radius: 12px;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.scene-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.scene-image {
  width: 100%;
  height: 240px;
  overflow: hidden;
  background-color: #ffffff;
}

.scene-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

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

.scene-info {
  padding: 28px;
}

.scene-title {
  font-size: 20px;
  font-weight: 700;
  color: #003C5A;
  margin-bottom: 12px;
}

.scene-text {
  font-size: 15px;
  line-height: 1.8;
  color: #555555;
}

@media (max-width: 768px) {
  .scenes-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

/* ========================================
   FAQ Section
   ======================================== */

.faq {
  background-color: #f7f3ee;
}

.faq-list {
  max-width: 900px;
  margin: 0 auto;
}

.faq-item {
  background-color: #ffffff;
  border-radius: 12px;
  margin-bottom: 16px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 28px;
  text-align: left;
  font-size: 17px;
  font-weight: 600;
  color: #003C5A;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.faq-question:hover {
  background-color: #f7f3ee;
}

.faq-icon {
  font-size: 24px;
  font-weight: 300;
  color: #0F766E;
  transition: transform 0.3s ease;
  flex-shrink: 0;
  margin-left: 16px;
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-item.active .faq-answer {
  max-height: 500px;
  padding: 0 28px 24px 28px;
}

.faq-answer p {
  font-size: 15px;
  line-height: 1.8;
  color: #555555;
}

@media (max-width: 768px) {
  .faq-question {
    padding: 20px;
    font-size: 15px;
  }
  
  .faq-item.active .faq-answer {
    padding: 0 20px 20px 20px;
  }
  
  .faq-answer p {
    font-size: 14px;
  }
}

/* ========================================
   Contact Section
   ======================================== */

.contact {
  background-color: #ffffff;
}

.contact-intro {
  text-align: center;
  font-size: 17px;
  color: #333333;
  margin-bottom: 48px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.contact-info {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
  max-width: 1000px;
  margin: 0 auto 40px;
}

.contact-item {
  text-align: center;
  padding: 32px 24px;
  background-color: #f7f3ee;
  border-radius: 12px;
}

.contact-label {
  font-size: 14px;
  font-weight: 600;
  color: #0F766E;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 12px;
}

.contact-text {
  font-size: 16px;
  line-height: 1.8;
  color: #333333;
}

.contact-link {
  color: #0F766E;
  text-decoration: underline;
}

.contact-link:hover {
  color: #0EA5E9;
}

.contact-note {
  text-align: center;
  font-size: 14px;
  color: #666666;
  line-height: 1.8;
  max-width: 700px;
  margin: 0 auto;
}

@media (max-width: 768px) {
  .contact-info {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .contact-item {
    padding: 24px 20px;
  }
}

/* ========================================
   Footer
   ======================================== */

.footer {
  background-color: #003C5A;
  color: #ffffff;
  padding: 60px 0 32px;
}

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

.footer-logo {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: 0.05em;
  margin-bottom: 16px;
}

.footer-tagline {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 40px;
}

.footer-nav {
  margin-bottom: 40px;
}

.footer-nav-list {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px 32px;
  list-style: none;
}

.footer-link {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.9);
  transition: color 0.3s ease;
}

.footer-link:hover {
  color: #0EA5E9;
  opacity: 1;
}

.footer-copyright {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 8px;
}

.footer-legal {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.6);
}

@media (max-width: 768px) {
  .footer {
    padding: 48px 0 24px;
  }
  
  .footer-logo {
    font-size: 24px;
  }
  
  .footer-nav-list {
    gap: 8px 20px;
  }
  
  .footer-link {
    font-size: 13px;
  }
}

/* ========================================
   Utility Classes
   ======================================== */

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

.mb-0 {
  margin-bottom: 0;
}

.mt-0 {
  margin-top: 0;
}