/* ============================================
   お食事処 舞 - メインスタイル
   カラーパレット: クリーム × 紫
   ============================================ */

/* ===== GOOGLE FONTS ===== */
@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+JP:wght@300;400;500;600;700&family=Noto+Sans+JP:wght@300;400;500&family=Shippori+Mincho:wght@400;500;600;700&display=swap');

/* ===== CSS VARIABLES ===== */
:root {
  --purple-deep:    #3B1F5E;
  --purple-main:    #5C3385;
  --purple-mid:     #7B4FA6;
  --purple-light:   #A87BC8;
  --purple-pale:    #D4B8E8;
  --purple-mist:    #EDE0F5;
  --cream-deep:     #E8D9BB;
  --cream-main:     #F5ECD7;
  --cream-light:    #FAF4E8;
  --cream-white:    #FFFDF7;
  --gold:           #C9A84C;
  --gold-light:     #E8C97A;
  --text-dark:      #2C1A3E;
  --text-mid:       #4A3460;
  --text-light:     #7A6A90;
  --white:          #ffffff;
  --shadow-soft:    0 4px 24px rgba(59,31,94,0.10);
  --shadow-mid:     0 8px 40px rgba(59,31,94,0.16);
  --shadow-deep:    0 16px 64px rgba(59,31,94,0.22);
  --radius-sm:      8px;
  --radius-md:      16px;
  --radius-lg:      24px;
  --radius-xl:      40px;
  --transition:     all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
  --transition-fast: all 0.2s ease;
  --font-serif:     'Shippori Mincho', 'Noto Serif JP', serif;
  --font-sans:      'Noto Sans JP', sans-serif;
}

/* ===== RESET & BASE ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

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

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

a {
  text-decoration: none;
  color: inherit;
}

ul { list-style: none; }

/* ===== CONTAINER ===== */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== SECTION COMMON ===== */
section {
  padding: 100px 0;
  position: relative;
}

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

.section-badge {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--purple-main);
  background: var(--purple-mist);
  border: 1px solid var(--purple-pale);
  padding: 4px 18px;
  border-radius: 100px;
  margin-bottom: 16px;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 600;
  color: var(--purple-deep);
  margin-bottom: 12px;
  line-height: 1.4;
}

.section-subtitle {
  font-size: 0.95rem;
  color: var(--text-light);
  letter-spacing: 0.05em;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 100px;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: var(--transition);
  border: 2px solid transparent;
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--purple-main), var(--purple-mid));
  color: var(--white);
  border-color: var(--purple-main);
  box-shadow: 0 4px 20px rgba(92,51,133,0.35);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--purple-deep), var(--purple-main));
  box-shadow: 0 8px 30px rgba(92,51,133,0.50);
  transform: translateY(-2px);
}

.btn-ghost {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.6);
}

.btn-ghost:hover {
  background: rgba(255,255,255,0.12);
  border-color: var(--white);
  transform: translateY(-2px);
}

/* ===== HEADER ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: transparent;
  transition: var(--transition);
}

.header.scrolled {
  background: rgba(250,244,232,0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 2px 20px rgba(59,31,94,0.10);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: baseline;
  gap: 6px;
  cursor: pointer;
}

.logo-jp {
  font-family: var(--font-serif);
  font-size: 0.85rem;
  color: var(--purple-pale);
  letter-spacing: 0.1em;
  transition: color 0.3s;
}

.logo-name {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 700;
  color: var(--white);
  text-shadow: 0 2px 12px rgba(0,0,0,0.3);
  transition: color 0.3s;
}

.header.scrolled .logo-jp { color: var(--purple-mid); }
.header.scrolled .logo-name { color: var(--purple-deep); text-shadow: none; }

.nav-list {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-size: 0.88rem;
  font-weight: 500;
  color: rgba(255,255,255,0.9);
  letter-spacing: 0.08em;
  position: relative;
  transition: color 0.3s;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--gold);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.nav-link:hover::after { transform: scaleX(1); }
.nav-link:hover { color: var(--gold-light); }

.header.scrolled .nav-link { color: var(--text-mid); }
.header.scrolled .nav-link:hover { color: var(--purple-main); }
.header.scrolled .nav-link::after { background: var(--purple-main); }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.hamburger span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}

.header.scrolled .hamburger span { background: var(--purple-deep); }

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

.hero-slider {
  position: absolute;
  inset: 0;
}

.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1.2s ease;
}

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

.hero-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  animation: heroZoom 10s ease-in-out infinite alternate;
}

.hero-slide.active img { animation: heroZoom 10s ease-in-out infinite alternate; }

@keyframes heroZoom {
  0%   { transform: scale(1.0); }
  100% { transform: scale(1.08); }
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(30,10,55,0.30) 0%,
    rgba(30,10,55,0.55) 50%,
    rgba(30,10,55,0.75) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 10;
  text-align: center;
  color: var(--white);
  padding: 0 20px;
  animation: heroFadeIn 1.5s ease forwards;
}

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

.hero-deco-line {
  width: 60px;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--gold), transparent);
  margin: 16px auto;
}

.hero-sub {
  font-size: 0.8rem;
  letter-spacing: 0.4em;
  color: var(--cream-main);
  margin-bottom: 8px;
  font-weight: 300;
}

.hero-title {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  margin-bottom: 8px;
}

.hero-title-jp {
  font-family: var(--font-serif);
  font-size: clamp(1.1rem, 3vw, 1.5rem);
  font-weight: 400;
  letter-spacing: 0.5em;
  color: var(--cream-deep);
}

.hero-title-name {
  font-family: var(--font-serif);
  font-size: clamp(4rem, 12vw, 8rem);
  font-weight: 700;
  line-height: 1;
  color: var(--white);
  text-shadow:
    0 0 40px rgba(168,123,200,0.6),
    0 4px 20px rgba(0,0,0,0.4);
  letter-spacing: 0.1em;
}

.hero-catch {
  font-family: var(--font-serif);
  font-size: clamp(1rem, 2.5vw, 1.4rem);
  letter-spacing: 0.5em;
  color: var(--gold-light);
  margin-bottom: 8px;
  font-weight: 400;
}

.hero-btns {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 24px;
}

.btn-icon { font-size: 1rem; }

.hero-dots {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  display: flex;
  gap: 10px;
}

.hero-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.6);
  background: transparent;
  cursor: pointer;
  transition: var(--transition-fast);
}

.hero-dot.active {
  background: var(--white);
  border-color: var(--white);
  transform: scale(1.3);
}

.hero-scroll-hint {
  position: absolute;
  right: 32px;
  bottom: 40px;
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.6);
  font-size: 0.65rem;
  letter-spacing: 0.3em;
  writing-mode: vertical-rl;
}

.scroll-line {
  width: 1px;
  height: 50px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.6), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

/* ===== MESSAGE SECTION ===== */
.message-section {
  background: var(--cream-white);
  text-align: center;
  padding: 100px 0;
  position: relative;
  overflow: hidden;
}

.message-inner {
  position: relative;
  z-index: 2;
}

.message-title {
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  color: var(--purple-deep);
  margin-bottom: 20px;
}

.kamon-divider {
  margin: 24px 0;
}

.kamon {
  font-size: 1.6rem;
  color: var(--purple-light);
  display: inline-block;
  position: relative;
}

.kamon::before, .kamon::after {
  content: '—';
  color: var(--purple-pale);
  margin: 0 12px;
  font-size: 1.2rem;
}

.message-text {
  font-family: var(--font-serif);
  font-size: clamp(1.0rem, 2.2vw, 1.25rem);
  line-height: 2.4;
  color: var(--text-dark);
  letter-spacing: 0.06em;
  margin-bottom: 24px;
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
}

.message-sub {
  font-size: clamp(0.85rem, 1.8vw, 0.95rem);
  color: var(--text-light);
  line-height: 2.2;
  letter-spacing: 0.05em;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

.message-bg-deco {
  position: absolute;
  top: -100px;
  right: -150px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--purple-mist) 0%, transparent 70%);
  pointer-events: none;
  z-index: 1;
}

/* ===== ABOUT SECTION ===== */
.about-section {
  background: var(--cream-main);
}

.about-slider-wrap {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-deep);
  margin-bottom: 60px;
  max-height: 520px;
}

.about-slider { position: relative; width: 100%; height: 520px; }

.about-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1.2s ease;
}

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

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

/* Slider buttons */
.slider-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(6px);
  border: none;
  border-radius: 50%;
  width: 50px;
  height: 50px;
  font-size: 1.5rem;
  color: var(--purple-deep);
  cursor: pointer;
  transition: var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 12px rgba(0,0,0,0.15);
}

.slider-btn:hover {
  background: var(--purple-main);
  color: var(--white);
  transform: translateY(-50%) scale(1.05);
}

.slider-prev { left: 16px; }
.slider-next { right: 16px; }

.slider-dots {
  position: absolute;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  z-index: 10;
}

.slider-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.8);
  background: transparent;
  cursor: pointer;
  transition: var(--transition-fast);
}

.slider-dot.active {
  background: var(--white);
  transform: scale(1.3);
}

/* Feature cards */
.about-features {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--cream-white);
  border-radius: var(--radius-md);
  padding: 36px 24px;
  text-align: center;
  border: 1px solid var(--purple-pale);
  box-shadow: var(--shadow-soft);
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-mid);
  border-color: var(--purple-light);
}

.feature-number {
  font-family: var(--font-serif);
  font-size: 2.6rem;
  font-weight: 700;
  color: var(--gold);
  line-height: 1;
  margin-bottom: 16px;
  letter-spacing: 0.05em;
  position: relative;
  display: inline-block;
}

.feature-number::after {
  content: '';
  display: block;
  width: 20px;
  height: 1px;
  background: var(--purple-light);
  margin: 10px auto 0;
}

.feature-card h3 {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--purple-deep);
  margin-bottom: 10px;
  font-weight: 600;
}

.feature-card p {
  font-size: 0.88rem;
  color: var(--text-light);
  line-height: 1.9;
}

/* ===== MENU SECTION ===== */
.menu-section {
  background: var(--purple-deep);
  position: relative;
  overflow: hidden;
}

.menu-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 20%, rgba(92,51,133,0.4) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 80%, rgba(123,79,166,0.3) 0%, transparent 60%);
  pointer-events: none;
}

.menu-section .section-badge {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.2);
  color: var(--purple-pale);
}

.menu-section .section-title { color: var(--cream-main); }
.menu-section .section-subtitle { color: var(--purple-pale); }

.menu-slider-wrap {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-deep);
  margin-bottom: 40px;
  max-height: 560px;
}

.menu-slider { position: relative; width: 100%; height: 560px; }

.menu-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1.2s ease;
}

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

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

.menu-slide-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(30,10,55,0.85), transparent);
  padding: 40px 32px 24px;
}

.menu-slide-label {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  color: var(--cream-main);
  letter-spacing: 0.2em;
}

.menu-cta {
  text-align: center;
  position: relative;
  z-index: 2;
}

.menu-note {
  font-size: 0.82rem;
  color: var(--purple-pale);
  margin-bottom: 24px;
  letter-spacing: 0.05em;
}

/* ===== DRINKS SECTION ===== */
.drinks-section {
  background: var(--cream-white);
}

.drinks-layout {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 36px;
}

.drinks-img-wrap {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-deep);
  width: 100%;
  max-width: 800px;
}

.drinks-img {
  width: 100%;
  height: clamp(260px, 40vw, 480px);
  object-fit: cover;
  object-position: center;
  display: block;
  transition: transform 0.6s ease;
}

.drinks-img-wrap:hover .drinks-img { transform: scale(1.03); }

.drinks-lead-text {
  font-family: var(--font-serif);
  font-size: clamp(0.95rem, 2vw, 1.1rem);
  color: var(--text-mid);
  max-width: 600px;
  line-height: 2.0;
  margin: 0 auto 32px;
  text-align: center;
  letter-spacing: 0.05em;
}

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

/* ===== INFO SECTION ===== */
.info-section {
  background: var(--cream-main);
}

.info-card {
  background: var(--cream-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-mid);
  border: 1px solid var(--purple-pale);
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.info-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

.info-table tr {
  border-bottom: 1px solid var(--cream-deep);
  transition: background 0.2s;
}

.info-table tr:last-child { border-bottom: none; }
.info-table tr:hover { background: var(--purple-mist); }

.info-table th {
  padding: 20px 24px;
  text-align: left;
  font-weight: 500;
  color: var(--purple-main);
  white-space: nowrap;
  width: 130px;
  font-family: var(--font-serif);
  border-right: 2px solid var(--purple-pale);
}

.info-table td {
  padding: 20px 24px;
  color: var(--text-dark);
}

.hours-grid { display: flex; flex-direction: column; gap: 6px; }

.hours-row {
  display: flex;
  gap: 16px;
  align-items: center;
}

.hours-day {
  font-weight: 500;
  color: var(--purple-main);
  min-width: 80px;
  font-size: 0.85rem;
  background: var(--purple-mist);
  padding: 2px 10px;
  border-radius: 100px;
}

.hours-time {
  color: var(--text-dark);
  font-size: 0.92rem;
}

.closed-tag {
  background: var(--purple-mist);
  color: var(--purple-main);
  font-size: 0.85rem;
  padding: 4px 14px;
  border-radius: 100px;
  border: 1px solid var(--purple-pale);
}

.tel-link {
  color: var(--purple-main);
  font-weight: 500;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.info-reserve {
  background: linear-gradient(135deg, var(--purple-deep), var(--purple-main));
  padding: 48px 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 32px;
  text-align: center;
}

.reserve-label {
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  color: var(--purple-pale);
  margin-bottom: 4px;
}

.reserve-tel {
  display: block;
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.05em;
  transition: color 0.2s;
}

.reserve-tel:hover { color: var(--gold-light); }

.reserve-note {
  font-size: 0.78rem;
  color: var(--purple-pale);
  margin-top: 4px;
}

.instagram-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.3);
  color: var(--white);
  padding: 12px 24px;
  border-radius: 100px;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  transition: var(--transition);
}

.instagram-btn:hover {
  background: rgba(255,255,255,0.22);
  transform: translateY(-2px);
}

.ig-icon {
  width: 20px;
  height: 20px;
}

/* ===== ACCESS SECTION ===== */
.access-section {
  background: var(--cream-light);
}

.map-wrap {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-mid);
  border: 3px solid var(--purple-pale);
  margin-bottom: 40px;
}

.map-wrap iframe { display: block; }

.access-detail {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
}

.access-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  flex: 1;
  min-width: 260px;
  background: var(--cream-white);
  border: 1px solid var(--purple-pale);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-soft);
  transition: var(--transition);
}

.access-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-mid);
}

.access-icon { font-size: 1.8rem; }

.access-item strong {
  display: block;
  font-family: var(--font-serif);
  color: var(--purple-deep);
  margin-bottom: 4px;
  font-size: 1rem;
}

.access-item p {
  font-size: 0.88rem;
  color: var(--text-mid);
  line-height: 1.7;
}

/* ===== FOOTER ===== */
.footer {
  background: var(--purple-deep);
  color: var(--white);
  padding: 60px 0 32px;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  text-align: center;
}

.footer-logo {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.footer-logo-jp {
  font-family: var(--font-serif);
  font-size: 0.9rem;
  color: var(--purple-pale);
  letter-spacing: 0.15em;
}

.footer-logo-name {
  font-family: var(--font-serif);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--white);
}

.footer-links {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  justify-content: center;
}

.footer-links a {
  font-size: 0.82rem;
  color: var(--purple-pale);
  letter-spacing: 0.08em;
  transition: color 0.2s;
}

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

.footer-info p {
  font-size: 0.82rem;
  color: var(--purple-pale);
}

.footer-info a {
  color: var(--purple-pale);
  transition: color 0.2s;
}

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

.footer-ig {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--purple-pale);
  font-size: 0.85rem;
  transition: color 0.2s;
}

.footer-ig:hover { color: var(--white); }

.footer-ig svg {
  width: 18px;
  height: 18px;
}

.footer-copy {
  font-size: 0.75rem;
  color: var(--purple-light);
  margin-top: 8px;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.1);
  width: 100%;
  text-align: center;
}

/* ===== BACK TO TOP ===== */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  z-index: 999;
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--purple-main), var(--purple-mid));
  color: var(--white);
  border: none;
  border-radius: 50%;
  font-size: 0.85rem;
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(92,51,133,0.4);
  opacity: 0;
  pointer-events: none;
  transform: translateY(20px);
  transition: var(--transition);
}

.back-to-top.visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.back-to-top:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 28px rgba(92,51,133,0.5);
}

/* ===== SCROLL ANIMATIONS ===== */
.fade-up {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-up:nth-child(2) { transition-delay: 0.1s; }
.fade-up:nth-child(3) { transition-delay: 0.2s; }

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  section { padding: 72px 0; }

  .about-features { grid-template-columns: repeat(2, 1fr); }
  .info-card { grid-template-columns: 1fr; }
  .info-reserve { padding: 36px 24px; }
}

@media (max-width: 768px) {
  .nav { display: none; }
  .nav.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    inset: 0;
    background: rgba(30,10,55,0.97);
    z-index: 900;
    align-items: center;
    justify-content: center;
    gap: 0;
  }
  .nav.open .nav-list {
    flex-direction: column;
    gap: 0;
    align-items: center;
    width: 100%;
  }
  .nav.open .nav-list li {
    width: 100%;
    text-align: center;
    border-bottom: 1px solid rgba(255,255,255,0.08);
  }
  .nav.open .nav-link {
    display: block;
    padding: 20px;
    font-size: 1.2rem;
    color: var(--cream-main);
    letter-spacing: 0.2em;
  }
  .hamburger { display: flex; z-index: 1000; }

  .hamburger.open span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  .hamburger.open span:nth-child(2) { opacity: 0; }
  .hamburger.open span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }
  .hamburger.open span { background: var(--white); }

  .hero-title-name { font-size: clamp(3.5rem, 15vw, 5rem); }
  .hero-btns { flex-direction: column; align-items: center; }

  .about-slider { height: 300px; }
  .about-slider-wrap { max-height: 300px; }

  .menu-slider { height: 340px; }
  .menu-slider-wrap { max-height: 340px; }

  .info-table th { padding: 14px 16px; font-size: 0.85rem; width: 90px; }
  .info-table td { padding: 14px 16px; font-size: 0.85rem; }

  .hours-row { flex-wrap: wrap; gap: 8px; }

  .hero-scroll-hint { display: none; }

  .back-to-top { bottom: 20px; right: 20px; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .header-inner { padding: 0 16px; }
  .section-title { font-size: 1.6rem; }
  .about-features { grid-template-columns: 1fr; }
  .feature-card { padding: 24px 16px; }
  .access-detail { gap: 16px; }
  .access-item { min-width: 100%; }
  .footer-links { gap: 16px; }
  .reserve-tel { font-size: 1.6rem; }
}