/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+JP:wght@200;300;400;500;600&family=Noto+Sans+JP:wght@300;400;500&display=swap');

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

/* Root Variables */
:root {
  --primary-color: #f5f3f0;
  --secondary-color: #e8ddd4;
  --accent-color: #d4af37;
  --text-dark: #2c2c2c;
  --text-light: #666;
  --white: #ffffff;
  --section-padding: 80px 0;
  --container-max-width: 1200px;
}

/* Base Styles */
body {
  font-family: 'Noto Sans JP', sans-serif;
  line-height: 1.7;
  color: var(--text-dark);
  background-color: var(--white);
}

html {
  scroll-behavior: smooth;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Noto Serif JP', serif;
  font-weight: 300;
  line-height: 1.4;
  margin-bottom: 1rem;
}

h1 {
  font-size: 3rem;
  font-weight: 200;
}

h2 {
  font-size: 2.5rem;
  font-weight: 300;
}

h3 {
  font-size: 1.8rem;
  font-weight: 400;
}

p {
  margin-bottom: 1rem;
  color: var(--text-light);
}

/* Container */
.container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  padding: 15px 0;
  transition: all 0.3s ease;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-family: 'Noto Serif JP', serif;
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--text-dark);
  text-decoration: none;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.nav-menu a {
  text-decoration: none;
  color: var(--text-dark);
  font-weight: 400;
  transition: color 0.3s ease;
  position: relative;
}

.nav-menu a:hover {
  color: var(--accent-color);
}

.nav-menu a.active::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent-color);
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 4px;
}

.menu-toggle span {
  width: 25px;
  height: 3px;
  background: var(--text-dark);
  transition: 0.3s;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 15px 30px;
  text-decoration: none;
  border-radius: 50px;
  font-weight: 500;
  text-align: center;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  font-size: 1rem;
}

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

.btn-primary:hover {
  background: #b8941f;
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--text-dark);
  border: 2px solid var(--text-dark);
}

.btn-outline:hover {
  background: var(--text-dark);
  color: var(--white);
}

/* Hero Section */
.hero {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  background: #f5f3f0;
  padding: 80px 20px 20px 20px;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  z-index: 1;
  filter: brightness(0.85) contrast(1.05) saturate(1.1);
  transition: all 0.5s ease;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(44, 44, 44, 0.4), rgba(212, 175, 55, 0.1), rgba(0, 0, 0, 0.3));
  z-index: 2;
}

.hero-content {
  text-align: center;
  color: var(--white);
  max-width: 1100px;
  padding: 0 20px;
  position: relative;
  z-index: 3;
}

.hero-box {
  backdrop-filter: blur(8px);
  background: rgba(255, 255, 255, 0.15);
  padding: 3.5rem 4.5rem;
  border-radius: 25px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
  min-width: 800px;
  max-width: 1000px;
}

.hero-title {
  font-weight: 200;
  letter-spacing: 3px;
  margin-bottom: 1.5rem;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
  font-size: 3.2rem;
  color: var(--white);
}

.title-line {
  display: inline;
  white-space: nowrap;
}

.hero-subtitle {
  font-weight: 300;
  letter-spacing: 1.5px;
  margin-bottom: 2.5rem;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
  color: #ffffff;
  font-size: 1.4rem;
}

.hero-subtitle-small {
  font-size: 1.1rem;
  color: #f0f0f0;
  letter-spacing: 1px;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.4);
}

.hero-btn {
  padding: 20px 45px;
  font-size: 1.1rem;
  letter-spacing: 1.5px;
  box-shadow: 0 10px 30px rgba(212, 175, 55, 0.4);
  font-weight: 500;
}

.hero-content h1 {
  font-size: 3.5rem;
  margin-bottom: 1rem;
  text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.3);
  font-family: 'Noto Serif JP', serif;
  line-height: 1.2;
}

.hero-content .subtitle {
  font-size: 1.3rem;
  margin-bottom: 2rem;
  font-weight: 300;
  text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.3);
  line-height: 1.6;
}

/* Sections */
.section {
  padding: var(--section-padding);
}

.section-title {
  text-align: center;
  margin-bottom: 3rem;
}

.section-title h2 {
  color: var(--text-dark);
  position: relative;
  display: inline-block;
}

.section-title h2::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 2px;
  background: var(--accent-color);
}

/* Grid Layouts */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

/* Cards */
.card {
  background: var(--white);
  border-radius: 10px;
  padding: 2rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.2);
}

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

/* Premium card styles */
.card img {
  transition: transform 0.3s ease;
}

.card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 1rem;
}

/* Forms */
.form-group {
  margin-bottom: 2rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--text-dark);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 15px;
  border: 2px solid var(--secondary-color);
  border-radius: 8px;
  font-family: inherit;
  font-size: 1rem;
  transition: border-color 0.3s ease;
}

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

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

/* Footer */
footer {
  background: var(--text-dark);
  color: var(--white);
  padding: 3rem 0 2rem;
  text-align: center;
}

.footer-content {
  margin-bottom: 2rem;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-links a {
  color: var(--white);
  text-decoration: none;
  transition: color 0.3s ease;
}

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

.social-links {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

.social-links a {
  display: inline-block;
  width: 40px;
  height: 40px;
  background: var(--accent-color);
  color: var(--white);
  text-decoration: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s ease;
}

.social-links a:hover {
  transform: translateY(-3px);
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.mb-3 { margin-bottom: 3rem; }

.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mt-3 { margin-top: 3rem; }

/* Concept Section Responsive Layout */
.concept-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.concept-image img {
  width: 100%;
  height: auto;
  max-width: 100%;
  border-radius: 10px;
}

/* Owner Profile Responsive Layout */
.owner-profile-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

/* Responsive Design */
@media (max-width: 768px) {
  .concept-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .concept-image {
    order: 1;
  }
  
  .concept-text {
    order: 2;
  }
  
  .concept-text h3 {
    font-size: 1.4rem;
    margin-top: 1.5rem;
  }
  
  .concept-text h3:first-child {
    margin-top: 0;
  }
  
  .owner-profile-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .owner-text {
    order: 1;
  }
  
  .owner-card {
    order: 2;
  }
  .menu-toggle {
    display: flex;
  }
  
  .nav-menu {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background: var(--white);
    flex-direction: column;
    justify-content: start;
    align-items: center;
    padding-top: 2rem;
    transition: left 0.3s ease;
    z-index: 999;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  }
  
  .nav-menu.active {
    left: 0;
  }
  
  .nav-menu li {
    margin: 1rem 0;
  }
  
  .hero {
    height: auto;
    min-height: 80vh;
    padding-top: 120px;
    padding-bottom: 3rem;
    align-items: flex-start;
  }
  
  .hero-content {
    margin-top: 2rem;
  }
  
  .hero-box {
    min-width: auto;
    max-width: 90%;
    width: 90%;
    padding: 1.8rem 1.3rem;
    border-radius: 15px;
  }
  
  .hero-title {
    font-size: 1.35rem;
    line-height: 1.7;
    margin-bottom: 0.8rem;
    letter-spacing: 0.3px;
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  
  .title-line {
    display: block;
    white-space: nowrap;
  }
  
  .hero-subtitle {
    font-size: 0.95rem;
    letter-spacing: 0.5px;
    margin-bottom: 1.8rem;
    line-height: 1.6;
  }
  
  .hero-subtitle-small {
    font-size: 0.85rem;
  }
  
  .hero-btn {
    padding: 14px 30px;
    font-size: 0.95rem;
  }
  
  .hero-content .subtitle {
    font-size: 1.1rem;
  }
  
  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .section {
    padding: 60px 0;
  }
  
  h2 {
    font-size: 2rem;
  }
  
  .footer-links {
    flex-direction: column;
    gap: 1rem;
  }
  
  /* Mobile-specific adjustments */
  .card img {
    height: 250px;
  }
  
  .owner-card div {
    padding: 1.5rem !important;
  }
  
  .owner-text p {
    font-size: 0.95rem;
    line-height: 1.7;
  }
  
  .section-title h2::after {
    width: 40px;
  }
}

@media (max-width: 480px) {
  .concept-text h3 {
    font-size: 1.2rem;
  }
  
  .concept-text p {
    font-size: 0.9rem;
    line-height: 1.6;
  }
  
  .concept-grid {
    gap: 1.5rem;
  }
  
  .owner-profile-grid {
    gap: 1.5rem;
  }
  
  .hero {
    height: auto;
    min-height: 75vh;
    padding-top: 110px;
    padding-bottom: 2rem;
    align-items: flex-start;
  }
  
  .hero-content {
    margin-top: 1.5rem;
  }
  
  .hero-box {
    min-width: auto;
    max-width: 95%;
    width: 95%;
    padding: 1.5rem 1rem;
    border-radius: 12px;
  }
  
  .hero-title {
    font-size: 1.2rem;
    line-height: 1.8;
    margin-bottom: 0.8rem;
    letter-spacing: 0.2px;
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  
  .title-line {
    display: block;
  }
  
  .hero-subtitle {
    font-size: 0.85rem;
    line-height: 1.7;
    letter-spacing: 0.3px;
    margin-bottom: 1.5rem;
  }
  
  .hero-subtitle-small {
    font-size: 0.8rem;
  }
  
  .hero-btn {
    padding: 12px 25px;
    font-size: 0.9rem;
    letter-spacing: 0.5px;
  }
  
  .hero-content .subtitle {
    font-size: 1rem;
  }
  
  .container {
    padding: 0 15px;
  }
  
  .btn {
    padding: 12px 24px;
    font-size: 0.9rem;
  }
  
  .card {
    padding: 1.5rem;
  }
  
  .card img {
    height: 200px;
  }
  
  h1 {
    font-size: 2rem;
  }
  
  h2 {
    font-size: 1.8rem;
  }
  
  h3 {
    font-size: 1.4rem;
  }
  
  .hero {
    height: 60vh !important;
  }
  
  .section-title {
    margin-bottom: 2rem;
  }
}

/* Premium Design Enhancements */
.hero:hover .hero-bg {
  filter: brightness(0.9) contrast(1.1) saturate(1.15);
  transform: scale(1.02);
}

/* Glass morphism effect */
.glass-effect {
  backdrop-filter: blur(10px);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

/* Premium button hover effects */
.btn-primary:hover {
  background: linear-gradient(135deg, #e8c547, #d4af37);
  transform: translateY(-3px);
  box-shadow: 0 12px 35px rgba(212, 175, 55, 0.4);
}

/* Elegant text animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-content h1 {
  animation: fadeInUp 1s ease-out 0.5s both;
}

.hero-content .subtitle {
  animation: fadeInUp 1s ease-out 0.8s both;
}

.hero-content a {
  animation: fadeInUp 1s ease-out 1.1s both;
}

/* Very small screens */
@media (max-width: 360px) {
  .hero {
    padding-top: 100px;
  }
  
  .hero-box {
    padding: 1.3rem 0.9rem;
  }
  
  .hero-title {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 0.7rem;
    letter-spacing: 0.1px;
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  
  .hero-subtitle {
    font-size: 0.8rem;
    margin-bottom: 1.3rem;
    line-height: 1.7;
  }
  
  .hero-subtitle-small {
    font-size: 0.75rem;
  }
  
  .hero-btn {
    padding: 11px 22px;
    font-size: 0.85rem;
  }
}

/* Large screens */
@media (min-width: 1400px) {
  .container {
    max-width: 1400px;
  }
  
  .hero-content h1 {
    font-size: 4rem;
  }
  
  .hero-content .subtitle {
    font-size: 1.5rem;
  }
}