/* ===================================
   リセット & ベーススタイル
   =================================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --color-primary: #1a1a1a;
  --color-secondary: #8b7355;
  --color-accent: #c9a961;
  --color-text: #333;
  --color-text-light: #666;
  --color-bg: #ffffff;
  --color-bg-dark: #0f0f0f;
  --font-primary: "Cormorant Garamond", serif;
  --font-japanese: "Noto Sans JP", sans-serif;
  --transition: all 0.3s ease;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-japanese);
  color: var(--color-text);
  line-height: 1.8;
  overflow-x: hidden;
  background-color: var(--color-bg);
}

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

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

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

/* ===================================
   ヘッダー & ナビゲーション
   =================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(26, 26, 26, 0.95);
  backdrop-filter: blur(10px);
  transition: var(--transition);
}

.header-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 20px 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo a {
  font-family: var(--font-primary);
  font-size: 28px;
  font-weight: 600;
  color: var(--color-accent);
  letter-spacing: 2px;
}

.nav-list {
  display: flex;
  list-style: none;
  gap: 40px;
}

.nav-list a {
  font-size: 14px;
  font-weight: 400;
  letter-spacing: 2px;
  color: #fff;
  position: relative;
  padding: 5px 0;
}

.nav-list a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-accent);
  transition: width 0.3s ease;
}

.nav-list a:hover::after {
  width: 100%;
}

.instagram-link {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 5px !important;
}

.instagram-link svg {
  transition: var(--transition);
}

.instagram-link:hover svg {
  stroke: var(--color-accent);
  transform: scale(1.1);
}

.instagram-link::after {
  display: none;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 15px;
  z-index: 1001;
  position: relative;
  -webkit-tap-highlight-color: transparent;
}

.menu-toggle span {
  width: 28px;
  height: 3px;
  background: #fff;
  transition: all 0.3s ease;
  display: block;
  transform-origin: center center;
}

/* ===================================
   ヒーローセクション
   =================================== */
.hero {
  height: 100vh;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-slideshow {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.hero-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center top;
  background-repeat: no-repeat;
  opacity: 0;
  transition: opacity 1.5s ease-in-out;
}

.hero-slide.active {
  opacity: 1;
}

.hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><rect fill="%23000" opacity="0.3" width="100" height="100"/><circle cx="50" cy="50" r="30" fill="none" stroke="%23c9a961" stroke-width="0.5" opacity="0.1"/></svg>');
  background-size: 200px 200px;
  opacity: 0.3;
  z-index: 1;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(
    circle at center,
    rgba(0, 0, 0, 0.3) 0%,
    rgba(0, 0, 0, 0.7) 100%
  );
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  text-align: center;
  color: #fff;
}

.hero-title {
  font-family: var(--font-primary);
  font-size: 80px;
  font-weight: 300;
  letter-spacing: 8px;
  margin-bottom: 20px;
  color: var(--color-accent);
  text-shadow: 2px 2px 20px rgba(0, 0, 0, 0.8), 0 0 40px rgba(201, 169, 97, 0.5);
  animation: fadeInUp 1s ease;
}

.hero-subtitle {
  font-size: 18px;
  letter-spacing: 4px;
  font-weight: 300;
  margin-bottom: 60px;
  text-shadow: 1px 1px 10px rgba(0, 0, 0, 0.8);
  animation: fadeInUp 1s ease 0.3s backwards;
}

.hero-scroll {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  animation: fadeInUp 1s ease 0.6s backwards;
}

.hero-scroll span {
  font-size: 12px;
  letter-spacing: 3px;
}

.scroll-line {
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, var(--color-accent), transparent);
  animation: scrollDown 2s ease-in-out infinite;
}

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

@keyframes scrollDown {
  0%,
  100% {
    transform: translateY(0);
    opacity: 1;
  }
  50% {
    transform: translateY(20px);
    opacity: 0;
  }
}

/* ===================================
   共通セクションスタイル
   =================================== */
section {
  padding: 120px 0;
  scroll-margin-top: 80px;
}

.section-header {
  text-align: center;
  margin-bottom: 80px;
}

.section-label {
  font-size: 14px;
  letter-spacing: 4px;
  color: var(--color-accent);
  display: block;
  margin-bottom: 15px;
}

.section-title {
  font-family: var(--font-primary);
  font-size: 48px;
  font-weight: 300;
  color: var(--color-primary);
  letter-spacing: 2px;
}

/* ===================================
   ABOUTセクション
   =================================== */
.about {
  background: var(--color-bg);
  position: relative;
  z-index: 1;
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-text p {
  margin-bottom: 25px;
  font-size: 16px;
  line-height: 2;
  color: var(--color-text-light);
}

.about-image {
  position: relative;
}

.image-placeholder {
  width: 100%;
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, #2d2416 0%, #1a1a1a 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  font-size: 24px;
  letter-spacing: 4px;
  border: 1px solid var(--color-accent);
}

/* ===================================
   MENUセクション
   =================================== */
.menu {
  background: #f8f6f3;
}

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

.menu-card {
  background: #fff;
  padding: 50px 30px;
  text-align: center;
  border: 1px solid #e5e5e5;
  transition: var(--transition);
}

.menu-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
  border-color: var(--color-accent);
}

.menu-icon {
  font-size: 48px;
  margin-bottom: 20px;
}

.menu-icon img {
  width: 120px;
  height: 120px;
  object-fit: contain;
  margin: 0 auto;
}

.menu-title {
  font-size: 24px;
  margin-bottom: 15px;
  color: var(--color-primary);
}

.menu-price {
  font-family: var(--font-primary);
  font-size: 32px;
  color: var(--color-accent);
  margin-bottom: 20px;
}

.menu-description {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.8;
}

/* ===================================
   FACILITIESセクション
   =================================== */
.facilities {
  background: var(--color-bg);
}

.facilities-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 50px;
}

.facility-item {
  text-align: center;
  padding: 40px 20px;
}

.facility-icon {
  font-size: 56px;
  margin-bottom: 25px;
}

.facility-icon img {
  width: 120px;
  height: 120px;
  object-fit: contain;
  margin: 0 auto;
}

.facility-item h3 {
  font-size: 22px;
  margin-bottom: 15px;
  color: var(--color-primary);
}

.facility-item p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.8;
}

/* ===================================
   ACCESSセクション
   =================================== */
.access {
  background: #f8f6f3;
}

.access-content {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
}

.access-info {
  display: flex;
  flex-direction: column;
  gap: 35px;
}

.info-item h3 {
  font-size: 14px;
  letter-spacing: 2px;
  color: var(--color-accent);
  margin-bottom: 10px;
}

.info-item p {
  font-size: 16px;
  line-height: 1.8;
  color: var(--color-text);
}

.info-item a {
  color: var(--color-text);
  border-bottom: 1px solid var(--color-accent);
}

.info-item a:hover {
  color: var(--color-accent);
}

.access-map {
  border: 1px solid #e5e5e5;
  overflow: hidden;
}

.access-map iframe {
  display: block;
}

/* ===================================
   フッター
   =================================== */
.footer {
  background: var(--color-bg-dark);
  color: #999;
  padding: 60px 0 30px;
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  margin-bottom: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid #333;
}

.footer-logo h3 {
  font-family: var(--font-primary);
  font-size: 32px;
  color: var(--color-accent);
  margin-bottom: 15px;
  letter-spacing: 2px;
}

.footer-logo p {
  font-size: 14px;
  line-height: 1.8;
  margin-bottom: 20px;
}

.footer-social {
  display: flex;
  gap: 15px;
  margin-top: 20px;
}

.social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--color-accent);
  border-radius: 50%;
  transition: var(--transition);
  color: var(--color-accent);
}

.social-link:hover {
  background: var(--color-accent);
  color: var(--color-bg-dark);
  transform: translateY(-3px);
}

.social-link svg {
  stroke: currentColor;
}

.footer-info p {
  font-size: 14px;
  margin-bottom: 10px;
  line-height: 1.8;
}

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

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

.footer-bottom p {
  font-size: 12px;
  letter-spacing: 1px;
}

/* ===================================
   レスポンシブデザイン
   =================================== */
@media (max-width: 768px) {
  .header-container {
    padding: 15px 20px;
  }

  .logo a {
    font-size: 22px;
  }

  .nav {
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    background: rgba(26, 26, 26, 0.98);
    padding: 40px 20px;
    transform: translateY(-100%);
    opacity: 0;
    transition: var(--transition);
  }

  .nav.active {
    transform: translateY(0);
    opacity: 1;
  }

  .nav-list {
    flex-direction: column;
    gap: 25px;
    text-align: center;
  }

  .instagram-link {
    margin-top: 10px;
  }

  .menu-toggle {
    display: flex;
  }

  .hero-title {
    font-size: 48px;
    letter-spacing: 4px;
  }

  .hero-subtitle {
    font-size: 14px;
    letter-spacing: 2px;
  }

  section {
    padding: 80px 0;
  }

  .section-title {
    font-size: 36px;
  }

  .about-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .menu-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .facilities-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .access-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 36px;
  }

  .section-title {
    font-size: 28px;
  }

  .menu-price {
    font-size: 28px;
  }
}