/* ==========================================================================
   Design System & Style Sheet - bistro bar two K
   ========================================================================== */

/* --- Google Fonts Import --- */
@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@400;600;700&family=Montserrat:wght@200;300;400;500;600;700&family=Noto+Sans+JP:wght@300;400;500;700&display=swap');

/* --- CSS Custom Properties (Variables) --- */
:root {
  /* Colors */
  --burgundy: #4a031d;       /* Primary Accent from Logo */
  --burgundy-dark: #2b0110;
  --burgundy-light: #6e0c32;
  --burgundy-trans: rgba(74, 3, 29, 0.08);
  --burgundy-trans-heavy: rgba(74, 3, 29, 0.85);
  
  --amber: #c5a059;          /* Secondary Accent from Warm Interior */
  --amber-dark: #a48141;
  --amber-light: #e4c384;
  --amber-trans: rgba(197, 160, 89, 0.15);

  --bg-light: #e1e1e6;       /* Slightly Darker Sophisticated Gray */
  --bg-dark: #22010c;        /* Deep Burgundy-Black (A案) */
  --bg-card: rgba(255, 255, 255, 0.9);
  --bg-card-dark: rgba(30, 30, 35, 0.7);

  --text-dark: #2c2c2e;
  --text-medium: #5c5c60;
  --text-light: #8e8e93;
  --text-white: #ffffff;
  --text-white-muted: #d1d1d6;

  /* Font Families */
  --font-serif: 'Cinzel', serif;
  --font-sans: 'Noto Sans JP', sans-serif;

  /* Layout & Utility */
  --max-width: 1200px;
  --radius-sm: 4px;
  --radius-md: 12px;
  --radius-lg: 24px;
  
  /* Animations & Transitions */
  --transition-smooth: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: all 0.2s ease;
  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 12px 32px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 20px 48px rgba(74, 3, 29, 0.1);
}

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

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

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

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: 0.05em;
}

h2 {
  font-size: clamp(1.75rem, 4.5vw, 2.2rem);
  font-family: var(--font-serif);
  color: var(--burgundy);
  position: relative;
  margin-bottom: 2.5rem;
  text-align: center;
}

h2::after {
  content: '';
  position: absolute;
  bottom: -12px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 2px;
  background-color: var(--amber);
}

.sub-title {
  display: block;
  font-size: 0.9rem;
  color: var(--amber-dark);
  font-family: var(--font-serif);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  margin-bottom: 0.5rem;
  font-weight: 600;
  text-align: center;
}

p {
  margin-bottom: 1.5rem;
  font-weight: 300;
  color: var(--text-medium);
}

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

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

/* --- Common Layout & Containers --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 6.5rem 0;
}

.section-dark {
  background-color: var(--bg-dark);
  color: var(--text-white);
}

.section-dark h2 {
  color: var(--text-white);
}

.section-dark p {
  color: var(--text-white-muted);
}

/* --- Buttons --- */
.btn {
  display: inline-block;
  padding: 0.9rem 2.2rem;
  border-radius: var(--radius-sm);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-align: center;
  cursor: pointer;
  transition: var(--transition-smooth);
  font-size: 0.95rem;
  text-shadow: none !important; /* Prevents text-shadow inheritance from parent containers which blurs button labels */
  backface-visibility: hidden; /* Promotes hardware acceleration snap context */
}

.btn-primary {
  background-color: var(--burgundy);
  color: var(--text-white);
  border: 1px solid var(--burgundy);
}

.btn-primary:hover {
  background-color: var(--burgundy-light);
  border-color: var(--burgundy-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-outline {
  background-color: transparent;
  color: var(--burgundy);
  border: 1px solid var(--burgundy);
}

.btn-outline:hover {
  background-color: var(--burgundy);
  color: var(--text-white);
  transform: translateY(-2px);
}

.btn-amber {
  background-color: var(--amber);
  color: var(--bg-dark);
  font-weight: 600;
  border: 1px solid var(--amber);
}

.btn-amber:hover {
  background-color: var(--amber-light);
  border-color: var(--amber-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(197, 160, 89, 0.3);
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: rgba(34, 1, 12, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  transition: var(--transition-smooth);
}

header.scrolled {
  padding: 0.3rem 0;
  background-color: rgba(34, 1, 12, 0.98);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
  transition: var(--transition-smooth);
}

header.scrolled .header-container {
  height: 55px;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.logo-img {
  height: 44px;
  width: auto;
  border-radius: var(--radius-sm);
  transition: var(--transition-smooth);
}

header.scrolled .logo-img {
  height: 36px;
}

/* ==========================================================================
   Text-Based Brand Logo Layouts
   ========================================================================== */
.logo-text-styled {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-family: 'Montserrat', sans-serif;
  color: var(--text-white);
  line-height: 1;
}

.logo-stacked {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  line-height: 1.05;
  letter-spacing: 0.18em;
  font-weight: 200;
  font-size: 0.5rem;
  text-transform: lowercase;
  opacity: 0.9;
}

.logo-bistro, .logo-bar {
  display: block;
}

.logo-main {
  font-size: 1.35rem;
  font-weight: 200;
  letter-spacing: 0.05em;
  text-transform: lowercase;
  display: inline-flex;
  align-items: baseline;
}

.logo-k {
  font-size: 1.45em;
  font-weight: 400;
  text-transform: uppercase;
  margin-left: 0.02em;
}

/* Footer Styled Brand Logo */
.footer-logo-styled {
  font-size: 1.25rem !important;
}

/* Navigation Links */
.nav-menu {
  display: flex;
  list-style: none;
  gap: 1.6rem;
  align-items: center;
}

.nav-link {
  color: var(--text-white-muted);
  font-size: 0.9rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  position: relative;
  padding: 0.5rem 0;
}

.nav-link:hover {
  color: var(--amber);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1.5px;
  background-color: var(--amber);
  transition: var(--transition-fast);
}

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

.nav-link.active-link {
  color: var(--amber);
}

.nav-link.active-link::after {
  width: 100%;
}

/* Call to Action in Menu */
.nav-cta .btn-nav {
  padding: 0.5rem 1.2rem;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--amber);
  color: var(--amber);
  font-weight: 500;
  background-color: transparent;
  transition: var(--transition-smooth);
}

.nav-cta .btn-nav:hover {
  background-color: var(--amber);
  color: var(--bg-dark);
}

.nav-insta a {
  display: flex;
  align-items: center;
  color: var(--text-white-muted);
  transition: var(--transition-fast);
}

.nav-insta a:hover {
  color: var(--amber);
}

.nav-insta .insta-icon {
  fill: none;
  stroke: currentColor;
  stroke-width: 2px;
  transition: transform 0.3s ease;
}

.nav-insta a:hover .insta-icon {
  transform: scale(1.15);
}

/* Mobile Toggle Hamburger */
.hamburger {
  display: none;
  cursor: pointer;
  background: none;
  border: none;
  padding: 0.5rem;
  z-index: 1100;
}

.bar {
  display: block;
  width: 25px;
  height: 2px;
  margin: 5px auto;
  background-color: var(--text-white);
  transition: var(--transition-fast);
}

/* ==========================================================================
   Hero Banner / Carousel
   ========================================================================== */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  width: 100%;
  overflow: hidden;
  display: flex;
  align-items: center;
  background-color: var(--bg-dark);
}

.hero-slider {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.hero-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 1.5s ease-in-out;
  background-size: cover;
  background-position: center;
}

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

/* Dark elegant overlay - Made more transparent so background photos show through clearly */
.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, rgba(34, 1, 12, 0.25) 0%, rgba(34, 1, 12, 0.58) 90%),
              linear-gradient(to bottom, rgba(34, 1, 12, 0.2), rgba(34, 1, 12, 0.65));
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  width: 100%;
  color: var(--text-white);
  padding-top: 80px;
}

.hero-text-container {
  max-width: 750px;
  margin: 0 auto;
  text-align: center;
  text-shadow: 0 2px 15px rgba(0, 0, 0, 0.75), 0 1px 5px rgba(0, 0, 0, 0.9); /* Enhanced text shadow for readability */
}

.hero-logo-box {
  margin-bottom: 2rem;
  display: inline-block;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 1s forwards 0.2s;
}

.hero-logo-icon {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  border: 2px solid var(--amber);
  box-shadow: 0 0 20px rgba(197, 160, 89, 0.4);
}

.hero-tagline {
  font-family: var(--font-serif);
  font-size: 0.85rem;
  color: var(--amber);
  letter-spacing: 0.45em;
  text-transform: uppercase;
  margin-bottom: 1.2rem;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 1s forwards 0.4s;
}

/* Hero Section Big Styled Brand Logo */
.hero-title-styled {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 1.1rem;
  font-family: 'Montserrat', sans-serif;
  color: var(--text-white);
  line-height: 1;
  margin-bottom: 2rem;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 1s forwards 0.6s;
}

.hero-stacked {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  line-height: 1.05;
  letter-spacing: 0.22em;
  font-weight: 200;
  font-size: 1.05rem;
  text-transform: lowercase;
  opacity: 0.85;
}

.hero-bistro, .hero-bar {
  display: block;
}

.hero-main {
  font-size: 3.5rem;
  font-weight: 200;
  letter-spacing: 0.05em;
  text-transform: lowercase;
  display: inline-flex;
  align-items: baseline;
}

.hero-k {
  font-size: 1.4em;
  font-weight: 400;
  text-transform: uppercase;
  margin-left: 0.04em;
}

.hero-desc {
  font-size: 1.05rem;
  font-weight: 300;
  line-height: 1.85;
  color: var(--text-white-muted);
  margin-bottom: 2rem;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 1s forwards 0.8s;
}

.hero-btns {
  display: flex;
  justify-content: center;
  gap: 1.2rem;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 1s forwards 1s;
}

.hero-btns .btn {
  padding: 0.65rem 1.6rem;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
}

/* Hero Instagram Link */
.hero-insta-box {
  margin-top: 1.8rem;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 1s forwards 1.1s;
  display: flex;
  justify-content: center;
}

.hero-insta-link {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--amber);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  transition: var(--transition-smooth);
  text-shadow: 0 1px 6px rgba(0, 0, 0, 0.4);
}

.hero-insta-text {
  text-decoration: underline;
  text-decoration-color: var(--amber);
  text-underline-offset: 5px;
  transition: var(--transition-fast);
}

.hero-insta-link:hover {
  color: var(--amber-light);
  transform: translateY(-1px);
}

.hero-insta-link:hover .hero-insta-text {
  text-decoration-color: var(--amber-light);
}

.hero-insta-icon {
  fill: none;
  stroke: currentColor;
  stroke-width: 2.2px;
  transition: transform 0.3s ease;
}

.hero-insta-link:hover .hero-insta-icon {
  transform: rotate(10deg) scale(1.15);
}

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-white-muted);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  opacity: 0.7;
}

.scroll-indicator span {
  width: 1px;
  height: 50px;
  background: linear-gradient(to bottom, var(--amber), transparent);
  animation: scrollLine 2s infinite ease-in-out;
  display: inline-block;
}

/* ==========================================================================
   Concept / Message Section
   ========================================================================== */
.concept-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 4rem;
  align-items: center;
}

.concept-text {
  padding-right: 1.5rem;
}

.concept-h3 {
  font-size: 1.6rem;
  color: var(--burgundy);
  margin-bottom: 1.5rem;
  font-family: var(--font-serif);
  line-height: 1.5;
}

.concept-lead {
  font-size: 1.1rem;
  font-weight: 400;
  color: var(--text-dark);
  line-height: 1.8;
  margin-bottom: 1.8rem;
}

.concept-body {
  font-size: 0.95rem;
  color: var(--text-medium);
  margin-bottom: 2rem;
}

.concept-images {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.concept-img-main {
  width: 85%;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  z-index: 2;
  border: 4px solid var(--bg-card);
}

.concept-img-sub {
  position: absolute;
  width: 45%;
  bottom: -2rem;
  left: -1rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  z-index: 3;
  border: 4px solid var(--bg-card);
}

.concept-frame {
  position: absolute;
  top: -1.5rem;
  right: 0rem;
  width: 85%;
  height: 100%;
  border: 2px solid var(--amber-trans);
  border-radius: var(--radius-md);
  z-index: 1;
}

/* ==========================================================================
   Course Highlights Section (MUST STAND OUT)
   ========================================================================== */
.course-highlight {
  background: linear-gradient(135deg, var(--burgundy-dark) 0%, #1e020e 100%);
  color: var(--text-white);
  border-top: 3px solid var(--amber);
  border-bottom: 3px solid var(--amber);
  position: relative;
  overflow: hidden;
}

/* Add subtle wine background elements */
.course-highlight::before {
  content: '';
  position: absolute;
  top: -10%;
  right: -10%;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(197, 160, 89, 0.1) 0%, transparent 70%);
  z-index: 1;
}

.course-highlight-container {
  position: relative;
  z-index: 2;
}

.course-highlight-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: center;
}

.course-badge {
  display: inline-block;
  background-color: var(--amber);
  color: var(--bg-dark);
  padding: 0.3rem 1.2rem;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  border-radius: 30px;
  margin-bottom: 1.2rem;
}

.course-highlight-text h3 {
  font-family: var(--font-serif);
  font-size: clamp(1.7rem, 5vw, 2.4rem);
  margin-bottom: 1.5rem;
  color: var(--text-white);
  line-height: 1.3;
}

.course-highlight-text h3 span {
  color: var(--amber);
}

.course-highlight-desc {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--text-white-muted);
  margin-bottom: 2rem;
}

.course-notice {
  background-color: rgba(255, 255, 255, 0.05);
  border-left: 3px solid var(--amber);
  padding: 1.2rem 1.5rem;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin-bottom: 2.5rem;
}

.course-notice p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--amber-light);
  font-weight: 500;
}

.course-highlight-image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.course-highlight-img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  transition: transform 0.8s ease;
}

.course-highlight-image:hover .course-highlight-img {
  transform: scale(1.05);
}

.course-image-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  background: linear-gradient(to top, rgba(0,0,0,0.85) 0%, transparent 100%);
  padding: 2rem;
  color: var(--text-white);
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
}

.course-image-overlay-title {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 0.2rem;
}

.course-image-overlay-subtitle {
  font-size: 0.85rem;
  color: var(--amber);
}

.course-price-tag {
  font-family: var(--font-serif);
  color: var(--amber);
  font-size: 1.5rem;
  font-weight: 700;
}

/* ==========================================================================
   Recommended Points Section
   ========================================================================== */
.points-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}

.point-card {
  background-color: var(--bg-card);
  border-radius: var(--radius-md);
  padding: 3rem;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-smooth);
  border: 1px solid rgba(0,0,0,0.03);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.point-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: var(--amber-trans);
}

.point-num {
  font-family: var(--font-serif);
  font-size: 2.8rem;
  font-weight: 700;
  color: var(--burgundy-trans);
  line-height: 1;
}

.point-card:hover .point-num {
  color: rgba(74, 3, 29, 0.15);
}

.point-header h3 {
  font-size: 1.4rem;
  color: var(--burgundy);
  margin-bottom: 0.8rem;
  font-weight: 700;
}

.point-desc {
  font-size: 0.95rem;
  color: var(--text-medium);
  margin: 0;
  line-height: 1.8;
}

.point-card-img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  margin-top: auto;
}

/* ==========================================================================
   Private Charter (貸切) Section
   ========================================================================== */
.charter {
  background-color: #d6d6db;
  position: relative;
}

.charter-unified-box {
  background-color: var(--bg-card);
  max-width: 900px;
  margin: 0 auto;
  padding: 3.5rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(0, 0, 0, 0.03);
}

.charter-info-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  text-align: center;
}

.charter-info-col {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.charter-label {
  font-size: 0.85rem;
  color: var(--text-light);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.charter-value {
  font-size: 1.05rem;
  color: var(--burgundy);
  font-weight: 700;
}

.charter-divider {
  height: 1px;
  background-color: rgba(0, 0, 0, 0.08);
  margin: 2.5rem 0;
}

.charter-description {
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--text-medium);
  text-align: center;
  max-width: 780px;
  margin: 0 auto 2.5rem;
}

.charter-btn-box {
  text-align: center;
}

/* ==========================================================================
   Menu Gallery Section
   ========================================================================== */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
}

.gallery-item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  aspect-ratio: 4/3;
  cursor: pointer;
}

.gallery-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.gallery-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to top, rgba(74, 3, 29, 0.9) 0%, rgba(34, 1, 12, 0.2) 100%);
  opacity: 0;
  transition: opacity 0.4s ease;
  z-index: 1;
}

.gallery-info {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: 1.5rem;
  color: var(--text-white);
  transform: translateY(15px);
  opacity: 0;
  transition: all 0.4s ease;
  z-index: 2;
}

.gallery-info h4 {
  font-size: 1.1rem;
  margin-bottom: 0.3rem;
}

.gallery-info p {
  font-size: 0.8rem;
  color: var(--amber);
  margin: 0;
}

.gallery-item:hover .gallery-img {
  transform: scale(1.08);
}


/* Lightbox Modal */
.lightbox {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(34, 1, 12, 0.95);
  z-index: 2000;
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
}

.lightbox.active {
  opacity: 1;
  pointer-events: auto;
}

.lightbox-content {
  max-width: 85%;
  max-height: 80%;
  border-radius: var(--radius-sm);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
  border: 4px solid var(--text-white);
}

.lightbox-close {
  position: absolute;
  top: 2rem;
  right: 2rem;
  color: var(--text-white);
  font-size: 2.5rem;
  cursor: pointer;
  background: none;
  border: none;
  transition: var(--transition-fast);
}

.lightbox-close:hover {
  color: var(--amber);
}

/* ==========================================================================
   Access, Info & Payments Section
   ========================================================================== */
.info-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
}

.info-table-box {
  background-color: var(--bg-card);
  padding: 3rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.info-row {
  display: grid;
  grid-template-columns: 140px 1fr;
  padding-bottom: 1.2rem;
  border-bottom: 1px solid var(--bg-light);
}

.info-row:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.info-label {
  font-weight: 700;
  color: var(--burgundy);
  font-size: 0.95rem;
}

.info-value {
  font-size: 0.95rem;
  color: var(--text-dark);
}

/* Instagram link - persistent underline */
.insta-link {
  color: var(--burgundy);
  font-weight: 700;
  text-decoration: underline;
  text-decoration-color: var(--burgundy);
  text-underline-offset: 4px;
  transition: var(--transition-fast);
}

.insta-link:hover {
  color: var(--burgundy-light);
  text-decoration-color: var(--burgundy-light);
}

/* Payment Icons Layout */
.payment-grid {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  margin-top: 0.5rem;
}

.payment-type {
  font-size: 0.85rem;
  background-color: var(--bg-light);
  padding: 0.6rem 1rem;
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--amber);
}

.payment-type strong {
  color: var(--burgundy);
  display: inline-block;
  width: 95px;
}

/* Map Styling */
.map-box {
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(0,0,0,0.05);
  height: 100%;
  min-height: 400px;
}

.map-box iframe {
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}

/* ==========================================================================
   Reservation & Contact Form Section
   ========================================================================== */
.contact {
  background: linear-gradient(180deg, var(--bg-light) 0%, #ebebeb 100%);
  position: relative;
}

.contact-layout {
  max-width: 750px;
  margin: 0 auto;
}

.contact-intro {
  text-align: center;
  margin-bottom: 3.5rem;
}

.contact-phone-box {
  background-color: var(--bg-card);
  border: 2px solid var(--burgundy-trans);
  padding: 2.2rem;
  border-radius: var(--radius-md);
  margin-bottom: 3rem;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-smooth);
}

.contact-phone-box:hover {
  border-color: var(--burgundy);
  box-shadow: var(--shadow-md);
}

.contact-phone-label {
  font-size: 0.9rem;
  color: var(--text-medium);
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
}

.contact-phone-number {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--burgundy);
  margin-bottom: 0.5rem;
  display: block;
}

.contact-phone-note {
  font-size: 0.85rem;
  color: var(--burgundy-light);
  margin: 0;
  font-weight: 500;
}

/* Form Styling */
.contact-form {
  background-color: var(--bg-card);
  padding: 3.5rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(0,0,0,0.03);
}

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

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--burgundy);
  margin-bottom: 0.6rem;
}

.form-control {
  width: 100%;
  padding: 1rem 1.2rem;
  border-radius: var(--radius-sm);
  border: 1px solid #d1d1d6;
  background-color: #fafafa;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: var(--text-dark);
  transition: var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--burgundy);
  background-color: var(--text-white);
  box-shadow: 0 0 0 3px var(--burgundy-trans);
}

textarea.form-control {
  resize: vertical;
  min-height: 150px;
}

.form-btn-container {
  text-align: center;
}

.form-btn-container .btn {
  min-width: 200px;
  font-weight: 600;
}

/* Form success animation modal */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(34, 1, 12, 0.8);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
  z-index: 2500;
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-box {
  background-color: var(--bg-card);
  padding: 3.5rem;
  border-radius: var(--radius-md);
  text-align: center;
  max-width: 500px;
  width: 90%;
  box-shadow: var(--shadow-lg);
  border-top: 5px solid var(--amber);
  transform: translateY(30px);
  transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.modal-overlay.active .modal-box {
  transform: translateY(0);
}

.modal-icon {
  width: 70px;
  height: 70px;
  background-color: var(--burgundy-trans);
  color: var(--burgundy);
  font-size: 2.5rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 2rem;
}

.modal-box h3 {
  font-size: 1.5rem;
  color: var(--burgundy);
  margin-bottom: 1rem;
}

.modal-box p {
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 2rem;
}

/* ==========================================================================
   Footer
   ========================================================================== */
footer {
  background-color: var(--bg-dark);
  color: var(--text-white-muted);
  padding: 4.5rem 0 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-layout {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2.5rem;
  text-align: center;
}

.footer-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

/* Footer Styled logo base overrides */
.footer-logo .logo-text-styled {
  font-size: 1.45rem;
}

.footer-logo-sub {
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  color: var(--amber-light);
}

.footer-nav {
  display: flex;
  list-style: none;
  gap: 2.5rem;
}

.footer-nav-link {
  font-size: 0.85rem;
  color: var(--text-white-muted);
}

.footer-nav-link:hover {
  color: var(--amber);
}

.footer-socials {
  display: flex;
  gap: 1.5rem;
}

.footer-social-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background-color: rgba(255, 255, 255, 0.05);
  border-radius: 50%;
  color: var(--text-white);
  transition: var(--transition-fast);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-social-btn:hover {
  background-color: var(--amber);
  color: var(--bg-dark);
  border-color: var(--amber);
}

.footer-copyright {
  margin-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 2rem;
  width: 100%;
  text-align: center;
  font-size: 0.75rem;
  color: var(--text-light);
}

/* ==========================================================================
   Course Details Page Layout (`course.html` specifics)
   ========================================================================== */
.course-hero {
  position: relative;
  background-color: var(--bg-dark);
  padding: 9.5rem 0 5.5rem;
  text-align: center;
}

.course-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, rgba(74, 3, 29, 0.2) 0%, rgba(34, 1, 12, 0.85) 90%);
  z-index: 1;
}

.course-hero-content {
  position: relative;
  z-index: 2;
  color: var(--text-white);
}

.course-hero h1 {
  font-family: var(--font-serif);
  font-size: 3rem;
  letter-spacing: 0.1em;
  margin-bottom: 0.8rem;
}

.course-hero p {
  color: var(--amber);
  font-size: 0.95rem;
  letter-spacing: 0.25em;
  margin: 0;
  text-transform: uppercase;
}

/* Course Grid */
.courses-list-grid {
  display: flex;
  flex-direction: column;
  gap: 5rem;
}

.course-item-card {
  background-color: var(--bg-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  transition: var(--transition-smooth);
  border: 1px solid rgba(0,0,0,0.03);
}

.course-item-card:nth-child(even) {
  grid-template-columns: 0.9fr 1.1fr;
}

.course-item-card:nth-child(even) .course-item-img-container {
  order: 2;
}

.course-item-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.course-item-img-container {
  position: relative;
  height: 100%;
  min-height: 380px;
}

.course-item-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  top: 0;
  left: 0;
}

.course-item-details {
  padding: 4.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.course-item-title-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  border-bottom: 2px solid var(--amber-trans);
  padding-bottom: 1.5rem;
  margin-bottom: 2rem;
}

.course-item-title-row h3 {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  color: var(--burgundy);
  margin: 0;
}

.course-item-price {
  font-family: var(--font-serif);
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--amber-dark);
}

.course-item-menu {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  margin-bottom: 2.5rem;
}

.course-item-menu li {
  font-size: 0.95rem;
  color: var(--text-dark);
  position: relative;
  padding-left: 1.5rem;
}

.course-item-menu li::before {
  content: '✦';
  position: absolute;
  left: 0;
  color: var(--amber);
  font-size: 0.8rem;
}

.course-item-footer {
  margin-top: auto;
}

/* ==========================================================================
   Animations Keyframes
   ========================================================================== */
@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: none; /* Deletes translation layer entirely, forcing sharp text snapping */
  }
}

@keyframes scrollLine {
  0% {
    transform: scaleY(0);
    transform-origin: top;
  }
  50% {
    transform: scaleY(1);
    transform-origin: top;
  }
  51% {
    transform: scaleY(1);
    transform-origin: bottom;
  }
  100% {
    transform: scaleY(0);
    transform-origin: bottom;
  }
}

/* ==========================================================================
   Responsive Styling (Media Queries)
   ========================================================================== */
@media screen and (max-width: 1024px) {
  h2 {
    font-size: 1.9rem;
  }

  .concept-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .concept-text {
    padding-right: 0;
    text-align: center;
  }

  /* Redesigned Concept Image layout for robust and elegant responsive grids */
  .concept-images {
    margin-top: 2.5rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.2rem;
    height: auto;
    width: 100%;
  }

  .concept-img-main {
    position: static;
    width: 100%;
    height: 240px;
    object-fit: cover;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(0, 0, 0, 0.05);
  }

  .concept-img-sub {
    position: static;
    width: 100%;
    height: 240px;
    object-fit: cover;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(0, 0, 0, 0.05);
  }

  .concept-frame {
    display: none;
  }

  .course-highlight-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .course-highlight-image {
    max-width: 550px;
    margin: 0 auto;
    width: 100%;
  }

  .points-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .charter-info-row {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }
  .charter-unified-box {
    padding: 2.5rem;
  }

  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .info-layout {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .course-item-card, 
  .course-item-card:nth-child(even) {
    grid-template-columns: 1fr;
  }

  .course-item-card:nth-child(even) .course-item-img-container {
    order: 0;
  }

  .course-item-img-container {
    height: 300px;
    min-height: auto;
  }

  .course-item-details {
    padding: 3rem 2rem;
  }
}

@media screen and (max-width: 768px) {
  .section {
    padding: 4.5rem 0;
  }

  h2 {
    font-size: 1.55rem; /* Guarantees "メニュー＆店内ギャラリー" fits on a single line on smartphones */
  }

  /* Robust and cute side-by-side heights for smartphones */
  .concept-img-main,
  .concept-img-sub {
    height: 175px !important;
  }

  /* Responsive layout to place course prices below titles on smartphones */
  .course-item-title-row {
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 0.6rem !important;
    padding-bottom: 1rem !important;
    margin-bottom: 1.5rem !important;
  }

  /* Unified Charter mobile styles */
  .charter-info-row {
    grid-template-columns: 1fr;
    gap: 1.2rem;
  }
  .charter-unified-box {
    padding: 2.2rem 1.5rem;
  }
  .charter-divider {
    margin: 1.8rem 0;
  }
  .charter-description {
    margin-bottom: 1.8rem;
  }

  /* Navigation Hamburger Action */
  .hamburger {
    display: block;
  }

  .hamburger.active .bar:nth-child(2) {
    opacity: 0;
  }

  .hamburger.active .bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .hamburger.active .bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .nav-menu {
    position: fixed;
    left: -100%;
    top: 70px;
    flex-direction: column;
    background-color: var(--bg-dark);
    width: 100%;
    height: calc(100vh - 70px);
    text-align: center;
    transition: 0.3s;
    box-shadow: 0 10px 15px rgba(0,0,0,0.1);
    padding: 3rem 0;
    gap: 2.5rem;
    z-index: 999;
  }

  header.scrolled .nav-menu {
    top: 55px;
    height: calc(100vh - 55px);
  }

  .nav-menu.active {
    left: 0;
  }

  .nav-link {
    font-size: 1.1rem;
  }

  .hero-tagline {
    font-size: 0.72rem;
    letter-spacing: 0.35em;
    margin-bottom: 0.8rem;
  }

  .hero-title-styled {
    gap: 0.6rem;
    margin-bottom: 1.5rem;
  }
  .hero-stacked {
    font-size: 0.72rem;
    letter-spacing: 0.18em;
  }
  .hero-main {
    font-size: 2.3rem;
  }

  .hero-desc {
    font-size: 0.82rem;
    line-height: 1.95;
  }

  .hero-btns {
    flex-direction: column;
    align-items: center;
    gap: 0.8rem;
  }

  .hero-btns .btn {
    width: auto;
    min-width: 190px;
    padding: 0.55rem 1.4rem;
    font-size: 0.78rem;
    letter-spacing: 0.06em;
  }

  .point-card {
    padding: 2rem;
  }

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

  .course-highlight-text h3 {
    font-size: 1.8rem;
  }

  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.8rem;
  }

  .contact-phone-number {
    font-size: 2rem;
  }

  .info-table-box {
    padding: 2rem;
  }

  .info-row {
    grid-template-columns: 110px 1fr;
  }

  .contact-form {
    padding: 2rem 1.5rem;
  }

  .footer-nav {
    flex-direction: column;
    gap: 1.5rem;
  }
}

/* ==========================================================================
   Premium Drink Menu Section Styles
   ========================================================================== */
.drink-menu-section {
  margin-top: 6rem;
  background: var(--bg-dark);
  color: var(--text-white);
  padding: 4rem;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.drink-menu-section::before {
  content: '';
  position: absolute;
  top: -50px;
  right: -50px;
  width: 150px;
  height: 150px;
  background: radial-gradient(circle, rgba(197, 160, 89, 0.15) 0%, transparent 70%);
  z-index: 1;
}

.drink-menu-header {
  text-align: center;
  margin-bottom: 3.5rem;
  position: relative;
  z-index: 2;
}

.drink-menu-header h3 {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  color: var(--amber);
  margin-bottom: 0.5rem;
  letter-spacing: 0.1em;
}

.drink-menu-header p {
  color: var(--text-white-muted);
  font-size: 0.95rem;
  margin: 0;
  letter-spacing: 0.05em;
}

.drink-menu-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  position: relative;
  z-index: 2;
}

.drink-category-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-md);
  padding: 2rem;
  transition: var(--transition-smooth);
}

.drink-category-card:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: var(--amber-trans);
  transform: translateY(-4px);
}

.drink-category-card h4 {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: var(--amber);
  border-bottom: 1px solid rgba(197, 160, 89, 0.3);
  padding-bottom: 0.8rem;
  margin-bottom: 1.2rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.drink-category-card h4 span {
  font-size: 1.3rem;
}

.drink-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  padding: 0;
  margin: 0;
}

.drink-list li {
  font-size: 0.9rem;
  color: var(--text-white-muted);
  line-height: 1.6;
  padding-left: 0;
}

.drink-list li::before {
  display: none; /* Remove any custom bullets */
}

.drink-list li strong {
  color: var(--text-white);
  font-weight: 700;
  display: block;
  margin-bottom: 0.2rem;
  font-size: 0.95rem;
  letter-spacing: 0.03em;
}

.drink-list li .drink-subtext {
  font-size: 0.82rem;
  color: var(--text-white-muted);
  opacity: 0.8;
  display: block;
  margin-top: 0.1rem;
}

/* Responsiveness for Drink Menu */
@media screen and (max-width: 991px) {
  .drink-menu-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.8rem;
  }
  .drink-menu-section {
    padding: 3.5rem 2.5rem;
  }
}

@media screen and (max-width: 767px) {
  .drink-menu-section {
    margin-top: 4.5rem;
    padding: 3rem 1.8rem;
  }
  .drink-menu-header h3 {
    font-size: 1.8rem;
  }
  .drink-menu-header {
    margin-bottom: 2.5rem;
  }
}

@media screen and (max-width: 575px) {
  .drink-menu-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  .drink-category-card {
    padding: 1.5rem;
  }
}

/* ==========================================================================
   Elegant Intro Splash Screen Overlay Styles
   ========================================================================== */
#splash-screen {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  height: 100%;
  background-color: var(--bg-dark);
  z-index: 9999;
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 1;
  transition: opacity 1.2s cubic-bezier(0.25, 1, 0.5, 1);
  pointer-events: auto;
  touch-action: none; /* Prevents scroll gestures on touchscreens while playing */
}

#splash-screen.fade-out {
  opacity: 0;
  pointer-events: none;
}

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

.splash-logo {
  width: 130px;
  height: 130px;
  border-radius: 50%;
  opacity: 0;
  transform: scale(0.3);
  animation: splashPop 3s cubic-bezier(0.25, 1, 0.3, 1) forwards;
}

@keyframes splashPop {
  0% {
    opacity: 0;
    transform: scale(0.3);
    filter: blur(5px);
  }
  20% {
    opacity: 1;
    transform: scale(1);
    filter: blur(0);
  }
  60% {
    opacity: 1;
    transform: scale(1.1);
    filter: blur(0);
  }
  100% {
    opacity: 0;
    transform: scale(10.0);
    filter: blur(40px);
  }
}

/* Responsive Splash logo size */
@media screen and (max-width: 575px) {
  .splash-logo {
    width: 90px;
    height: 90px;
  }
}

/* Responsive Concept Image height for extremely small screens */
@media screen and (max-width: 480px) {
  .concept-img-main,
  .concept-img-sub {
    height: 135px !important;
  }
  h2 {
    font-size: 1.32rem; /* Ensures single line fits even on 320px screens */
  }
  .hero-desc {
    font-size: 0.72rem; /* Ensures long subtitle lines fit on a single line on extremely small screens */
    line-height: 1.85;
  }
}