/* ========================================
   居酒屋 大海 - 専用スタイル
   ======================================== */

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

:root {
  --color-dark: #1a1a1a;
  --color-dark-warm: #2a241f;
  --color-warm-brown: #3d2e24;
  --color-orange: #d97744;
  --color-orange-light: #e89d6f;
  --color-wood: #8b6f47;
  --color-text: #f5f5f5;
  --color-text-light: #d4d4d4;
  --color-text-warm: #f0e6d8;
  --spacing-xs: 1rem;
  --spacing-sm: 2rem;
  --spacing-md: 3rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-weight: 400;
  color: var(--color-text);
  background-color: var(--color-dark);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

main {
  overflow-x: hidden;
}

/* ========================================
   ① HERO Section
   ======================================== */
.hero {
  position: relative;
  width: 100%;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

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

.hero-background img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-background::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(26, 26, 26, 0.4);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: var(--spacing-sm);
  max-width: 900px;
}

.hero-title {
  font-size: clamp(2rem, 7vw, 4.5rem);
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-warm);
  letter-spacing: 0.05em;
}

.hero-subtitle {
  font-size: clamp(1.1rem, 3vw, 1.8rem);
  font-weight: 400;
  color: var(--color-text-light);
  line-height: 1.8;
  letter-spacing: 0.1em;
  margin-bottom: var(--spacing-md);
}

.btn-reserve {
  display: inline-block;
  background-color: #c62828;
  color: var(--color-text);
  text-decoration: none;
  font-weight: 500;
  text-align: center;
  border-radius: 4px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
  transition: background-color 0.3s ease, box-shadow 0.3s ease;
  letter-spacing: 0.05em;
}

.btn-reserve:hover,
.btn-reserve:focus {
  background-color: #b71c1c;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
  outline: none;
}

.btn-reserve-hero {
  font-size: clamp(1rem, 2.5vw, 1.3rem);
  padding: 1rem 2.5rem;
  min-height: 48px;
  margin-top: var(--spacing-md);
}

.btn-reserve-info {
  font-size: clamp(0.9rem, 2vw, 1.1rem);
  padding: 0.875rem 2rem;
  min-height: 44px;
}

.scroll-indicator {
  position: absolute;
  bottom: 3rem;
  left: 50%;
  transform: translateX(-50%);
  color: var(--color-text-light);
  text-decoration: none;
  opacity: 0.7;
  animation: bounce 2s infinite;
  z-index: 1;
}

.scroll-indicator:hover,
.scroll-indicator:focus {
  opacity: 1;
  color: var(--color-orange-light);
  outline: none;
}

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

/* ========================================
   ② CONCEPT Section
   ======================================== */
.concept {
  padding: var(--spacing-xl) var(--spacing-sm);
  background-color: var(--color-dark);
}

.concept-inner {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.concept-text {
  font-size: clamp(1.3rem, 4vw, 2rem);
  font-weight: 500;
  line-height: 2;
  color: var(--color-text-warm);
  margin-bottom: var(--spacing-md);
  letter-spacing: 0.05em;
}

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

/* ========================================
   ③ ABOUT Section
   ======================================== */
.about {
  padding: var(--spacing-xl) var(--spacing-sm);
  background-color: var(--color-dark-warm);
}

.about-inner {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.about-text {
  font-size: clamp(1.1rem, 3vw, 1.5rem);
  font-weight: 400;
  line-height: 2;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-md);
  letter-spacing: 0.05em;
}

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

/* ========================================
   ④ FOOD & DRINK Section
   ======================================== */
.food-drink {
  padding: var(--spacing-xl) var(--spacing-sm);
  background-color: var(--color-dark);
}

.food-drink-inner {
  max-width: 900px;
  margin: 0 auto;
}

.section-title {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: var(--spacing-lg);
  color: var(--color-text-warm);
  letter-spacing: 0.1em;
}

.food-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.food-item {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background-color: var(--color-dark-warm);
}

.food-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 0.3s ease;
}

.food-item:hover img {
  transform: scale(1.05);
}

.food-name {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--spacing-sm);
  background: linear-gradient(to top, rgba(26, 26, 26, 0.9), transparent);
  color: var(--color-text-warm);
  font-size: clamp(1rem, 2vw, 1.3rem);
  font-weight: 500;
  text-align: center;
  letter-spacing: 0.05em;
}

/* ========================================
   ⑤ ATMOSPHERE Section
   ======================================== */
.atmosphere {
  padding: var(--spacing-xl) var(--spacing-sm);
  background-color: var(--color-dark-warm);
}

.atmosphere-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.atmosphere-images {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.atmosphere-item {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background-color: var(--color-dark);
}

.atmosphere-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 0.3s ease;
}

.atmosphere-item:hover img {
  transform: scale(1.05);
}

.atmosphere-text-wrapper {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.atmosphere-text {
  font-size: clamp(1.3rem, 4vw, 2rem);
  font-weight: 500;
  line-height: 2.2;
  color: var(--color-text-warm);
  margin-bottom: var(--spacing-md);
  letter-spacing: 0.05em;
}

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

/* ========================================
   ⑥ SCENE Section
   ======================================== */
.scene {
  padding: var(--spacing-xl) var(--spacing-sm);
  background-color: var(--color-dark);
}

.scene-inner {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.scene-text {
  font-size: clamp(1.2rem, 3.5vw, 1.8rem);
  font-weight: 400;
  line-height: 2;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-md);
  letter-spacing: 0.05em;
}

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

/* ========================================
   ⑦ PUSH COPY Section
   ======================================== */
.push-copy {
  padding: var(--spacing-xl) var(--spacing-sm);
  background-color: var(--color-warm-brown);
}

.push-copy-inner {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.push-copy-text {
  font-size: clamp(1.5rem, 4vw, 2.2rem);
  font-weight: 700;
  line-height: 2;
  color: var(--color-text-warm);
  letter-spacing: 0.1em;
}

/* ========================================
   ⑧ INFO Section
   ======================================== */
.info {
  padding: var(--spacing-xl) var(--spacing-sm);
  background-color: var(--color-dark);
}

.info-inner {
  max-width: 900px;
  margin: 0 auto;
}

.info-content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.info-item {
  padding-bottom: var(--spacing-sm);
  border-bottom: 1px solid rgba(217, 119, 68, 0.2);
}

.info-item:last-of-type {
  border-bottom: none;
}

.info-label {
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  color: var(--color-text-light);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
}

.info-value {
  font-size: clamp(1rem, 2vw, 1.2rem);
  line-height: 1.8;
  color: var(--color-text);
}

.info-link {
  color: var(--color-text);
  text-decoration: none;
  transition: color 0.3s ease;
}

.info-link:hover,
.info-link:focus {
  color: var(--color-orange-light);
  outline: none;
}

.info-reserve {
  margin-top: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
  text-align: center;
  padding-top: var(--spacing-sm);
  padding-bottom: var(--spacing-sm);
  border-top: 1px solid rgba(217, 119, 68, 0.2);
  border-bottom: 1px solid rgba(217, 119, 68, 0.2);
}

.info-map {
  margin-top: var(--spacing-sm);
  text-align: center;
  padding-top: var(--spacing-sm);
  border-top: 1px solid rgba(217, 119, 68, 0.2);
}

.map-link {
  font-size: 0.9rem;
  color: var(--color-text-light);
  text-decoration: none;
  letter-spacing: 0.1em;
  transition: color 0.3s ease;
}

.map-link:hover,
.map-link:focus {
  color: var(--color-orange-light);
  outline: none;
}

.map-link-separator {
  font-size: 0.9rem;
  color: var(--color-text-light);
  margin: 0 0.75rem;
  opacity: 0.5;
}

/* ========================================
   Map Modal
   ======================================== */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
  overflow: hidden;
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-backdrop {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(10, 10, 10, 0.9);
  backdrop-filter: blur(2px);
}

.modal-content {
  position: relative;
  z-index: 1;
  max-width: 90vw;
  max-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.modal-image-wrapper {
  position: relative;
  max-width: 100%;
  max-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-image {
  max-width: 100%;
  max-height: 90vh;
  width: auto;
  height: auto;
  object-fit: contain;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.modal-content-map {
  max-height: 95vh;
  padding: 1rem;
  align-items: flex-start;
  overflow-y: auto;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
}

.modal-image-wrapper-map {
  width: 100%;
  max-height: none;
  overflow: visible;
}

.modal-image-map {
  max-height: none;
  width: 100%;
  height: auto;
  display: block;
  border: none;
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 2.5rem;
  height: 2.5rem;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--color-text-light);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  z-index: 2;
  padding: 0;
}

.modal-close:hover,
.modal-close:focus {
  border-color: var(--color-text);
  color: var(--color-text);
  outline: none;
}

.modal-overlay.active ~ body {
  overflow: hidden;
}

/* ========================================
   ⑨ 外部導線 Section
   ======================================== */
.external-links {
  padding: var(--spacing-lg) var(--spacing-sm);
  background-color: var(--color-dark-warm);
}

.external-links-inner {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.external-link-text {
  font-size: clamp(0.9rem, 2vw, 1rem);
  line-height: 2;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-sm);
  letter-spacing: 0.05em;
}

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

.external-link {
  color: var(--color-text-light);
  text-decoration: underline;
  text-decoration-color: rgba(217, 119, 68, 0.5);
  transition: color 0.3s ease, text-decoration-color 0.3s ease;
}

.external-link:hover,
.external-link:focus {
  color: var(--color-orange-light);
  text-decoration-color: var(--color-orange-light);
  outline: none;
}

/* ========================================
   ⑩ フッター直前（締め） Section
   ======================================== */
.closing {
  padding: var(--spacing-xl) var(--spacing-sm);
  background-color: var(--color-dark);
}

.closing-inner {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.closing-text {
  font-size: clamp(1.8rem, 5vw, 3rem);
  font-weight: 700;
  line-height: 2;
  color: var(--color-text-warm);
  letter-spacing: 0.1em;
}

/* ========================================
   Footer
   ======================================== */
.footer {
  padding: var(--spacing-md) var(--spacing-sm);
  background-color: var(--color-dark);
  text-align: center;
  border-top: 1px solid rgba(217, 119, 68, 0.2);
}

.footer-text {
  font-size: 0.85rem;
  color: var(--color-text-light);
  letter-spacing: 0.1em;
}

/* ========================================
   Responsive
   ======================================== */
@media (min-width: 768px) {
  .concept,
  .about,
  .atmosphere,
  .scene,
  .push-copy,
  .closing {
    padding: var(--spacing-xl) var(--spacing-md);
  }

  .food-drink,
  .info,
  .external-links {
    padding: var(--spacing-xl) var(--spacing-md);
  }

  .food-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .atmosphere-images {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1024px) {
  .concept,
  .about,
  .atmosphere,
  .scene,
  .push-copy,
  .closing {
    padding: var(--spacing-xl) var(--spacing-lg);
  }

  .food-drink,
  .info,
  .external-links {
    padding: var(--spacing-xl) var(--spacing-lg);
  }

  .food-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
  }

  .atmosphere-images {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
  }
}

/* ========================================
   Accessibility
   ======================================== */
@media (prefers-reduced-motion: reduce) {
  .scroll-indicator {
    animation: none;
  }
}

/* Focus styles */
a:focus,
button:focus {
  outline: 2px solid var(--color-orange);
  outline-offset: 2px;
}