/* =============================================
   TRATTORIA DEL MARE - STYLESHEET
   ============================================= */

/* ---------- CSS Variables ---------- */
:root {
  --color-primary: #C45C3A;
  --color-primary-light: #FDF2EE;
  --color-primary-dark: #9B3D20;
  --color-accent: #3B7A57;
  --color-accent-light: #EEF5F0;
  --color-gold: #B8923E;
  --color-text: #3A3632;
  --color-text-light: #7A7570;
  --color-heading: #2A2520;
  --color-bg: #FFFCF9;
  --color-bg-alt: #F7F3EF;
  --color-bg-dark: #2A2520;
  --color-border: #E8E2DC;
  --color-white: #FFFFFF;
  --font-display: 'Cormorant Garamond', 'Georgia', serif;
  --font-body: 'Noto Sans JP', 'Hiragino Sans', sans-serif;
  --shadow-sm: 0 1px 4px rgba(42,37,32,0.06);
  --shadow-md: 0 4px 20px rgba(42,37,32,0.08);
  --shadow-lg: 0 8px 36px rgba(42,37,32,0.12);
  --radius-sm: 4px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --header-height: 72px;
  --transition: 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 20px);
}

body {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.85;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

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

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

a:hover {
  color: var(--color-primary-dark);
}

ul { list-style: none; }

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}

.pc-only { display: inline; }
.sp-only { display: none; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 34px;
  border-radius: 4px;
  font-size: 14px;
  font-weight: 500;
  font-family: var(--font-body);
  cursor: pointer;
  transition: all var(--transition);
  border: 2px solid transparent;
  letter-spacing: 0.04em;
}

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

.btn-primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(196,92,58,0.3);
}

.btn-outline {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255,255,255,0.7);
}

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

/* ---------- HEADER ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255,252,249,0.95);
  backdrop-filter: blur(12px);
  height: var(--header-height);
  display: flex;
  align-items: center;
  transition: all var(--transition);
}

.site-header.scrolled {
  box-shadow: var(--shadow-md);
  background: rgba(255,252,249,0.98);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  flex-direction: column;
  text-decoration: none;
}

.logo:hover { color: var(--color-heading); }

.logo-main {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  color: var(--color-heading);
  line-height: 1.1;
  letter-spacing: 0.02em;
}

.logo-sub {
  font-size: 10px;
  color: var(--color-text-light);
  letter-spacing: 0.1em;
}

.main-nav ul {
  display: flex;
  align-items: center;
  gap: 4px;
}

.main-nav a {
  display: block;
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text);
  letter-spacing: 0.06em;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--color-primary);
}

.nav-reserve {
  background: var(--color-primary) !important;
  color: var(--color-white) !important;
  border-radius: var(--radius-sm) !important;
  margin-left: 8px;
}

.nav-reserve:hover {
  background: var(--color-primary-dark) !important;
}

/* Mobile menu */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 1001;
}

.mobile-menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-heading);
  border-radius: 2px;
  transition: all var(--transition);
}

.mobile-menu-btn.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.mobile-menu-btn.active span:nth-child(2) { opacity: 0; }
.mobile-menu-btn.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ---------- HERO ---------- */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  max-height: 960px;
  overflow: hidden;
}

.hero-slider { position: relative; width: 100%; height: 100%; }

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

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

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, rgba(42,37,32,0.5) 0%, rgba(42,37,32,0.2) 60%, rgba(196,92,58,0.15) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  color: var(--color-white);
  padding-bottom: 60px;
}

.hero-lead {
  font-family: var(--font-display);
  font-size: 17px;
  font-style: italic;
  letter-spacing: 0.15em;
  margin-bottom: 16px;
  opacity: 0.85;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: 20px;
  letter-spacing: 0.04em;
}

.hero-desc {
  font-size: 15px;
  line-height: 2;
  margin-bottom: 40px;
  opacity: 0.9;
  font-weight: 300;
}

.hero-btns {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-dots {
  position: absolute;
  bottom: 90px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 12px;
  z-index: 10;
}

.hero-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,0.35);
  cursor: pointer;
  transition: all var(--transition);
  border: none;
}

.hero-dot.active {
  background: var(--color-white);
  transform: scale(1.2);
}

.hero-scroll {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.hero-scroll span {
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 0.15em;
  color: rgba(255,255,255,0.7);
}

.hero-scroll-line {
  width: 1px;
  height: 32px;
  background: rgba(255,255,255,0.4);
  position: relative;
  overflow: hidden;
}

.hero-scroll-line::after {
  content: '';
  position: absolute;
  top: -100%;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--color-white);
  animation: scrollLine 1.8s ease-in-out infinite;
}

@keyframes scrollLine {
  0% { top: -100%; }
  50% { top: 100%; }
  100% { top: 100%; }
}

/* Fade-up */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.hero-slide.active .fade-up { opacity: 1; transform: translateY(0); }
.delay-1 { transition-delay: 0.2s; }
.delay-2 { transition-delay: 0.4s; }
.delay-3 { transition-delay: 0.6s; }

/* ---------- SECTIONS ---------- */
.section { padding: 110px 0; }

.section-concept { background: var(--color-bg); }
.section-menu { background: var(--color-bg-alt); }
.section-chef { background: var(--color-bg); }
.section-interior { background: var(--color-bg-alt); }
.section-info { background: var(--color-bg); }
.section-news { background: var(--color-bg-alt); }

.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-label {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 14px;
  font-style: italic;
  color: var(--color-primary);
  letter-spacing: 0.18em;
  margin-bottom: 8px;
}

.section-label.light { color: rgba(255,255,255,0.8); }

.section-title {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 600;
  color: var(--color-heading);
  letter-spacing: 0.06em;
}

.section-title.light { color: var(--color-white); }

.section-title::after {
  content: '';
  display: block;
  width: 40px;
  height: 1px;
  background: var(--color-primary);
  margin: 18px auto 0;
}

.section-title.light::after { background: rgba(255,255,255,0.5); }

/* Scroll animation */
.scroll-fade {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* ---------- CONCEPT ---------- */
.concept-lead {
  text-align: center;
  margin-bottom: 60px;
}

.concept-tagline {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 600;
  color: var(--color-heading);
  margin-bottom: 20px;
  letter-spacing: 0.06em;
}

.concept-lead > p:last-child {
  color: var(--color-text-light);
  font-size: 14.5px;
}

.concept-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.concept-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}

.concept-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.concept-card-img {
  height: 220px;
  overflow: hidden;
}

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

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

.concept-card-body {
  padding: 28px 24px;
}

.concept-number {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 700;
  color: var(--color-primary);
  opacity: 0.2;
  line-height: 1;
  display: block;
  margin-bottom: 8px;
}

.concept-card-body h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--color-heading);
  margin-bottom: 10px;
}

.concept-card-body p {
  font-size: 13.5px;
  color: var(--color-text-light);
  line-height: 1.85;
}

/* ---------- MENU ---------- */
.menu-tabs {
  display: flex;
  justify-content: center;
  gap: 4px;
  margin-bottom: 48px;
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: 6px;
  display: inline-flex;
  margin-left: auto;
  margin-right: auto;
  width: auto;
}

.section-menu .scroll-fade:nth-child(2) {
  text-align: center;
}

.menu-tab {
  padding: 10px 32px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.08em;
  border: none;
  background: transparent;
  color: var(--color-text-light);
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}

.menu-tab.active {
  background: var(--color-primary);
  color: var(--color-white);
}

.menu-tab:hover:not(.active) {
  color: var(--color-primary);
}

.menu-panel {
  display: none;
  max-width: 800px;
  margin: 0 auto;
}

.menu-panel.active { display: block; }

.menu-course {
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: 32px 36px;
  margin-bottom: 20px;
  box-shadow: var(--shadow-sm);
}

.menu-course-header h3 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  color: var(--color-heading);
  display: flex;
  align-items: baseline;
  gap: 16px;
  flex-wrap: wrap;
}

.menu-price {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  color: var(--color-primary);
}

.menu-course-desc {
  font-size: 13px;
  color: var(--color-text-light);
  margin-top: 4px;
}

.menu-course-items {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
}

.menu-course-items li {
  padding: 6px 0 6px 20px;
  font-size: 14px;
  color: var(--color-text);
  position: relative;
}

.menu-course-items li::before {
  content: '';
  position: absolute;
  left: 2px;
  top: 14px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
  opacity: 0.3;
}

.menu-course-items.alacarte li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
}

.menu-course-items.alacarte li::before { display: none; }

.menu-course-items.alacarte li {
  padding-left: 0;
  border-bottom: 1px dotted var(--color-border);
  padding-bottom: 10px;
}

.menu-course-items.alacarte .menu-price {
  font-size: 15px;
  white-space: nowrap;
}

.menu-images {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 28px;
}

.menu-images img {
  border-radius: var(--radius-md);
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.menu-note {
  text-align: center;
  font-size: 12.5px;
  color: var(--color-text-light);
  margin-top: 36px;
}

/* ---------- CHEF ---------- */
.chef-grid {
  display: grid;
  grid-template-columns: 400px 1fr;
  gap: 60px;
  align-items: center;
}

.chef-image img {
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  width: 100%;
}

.chef-role {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 14px;
  font-style: italic;
  color: var(--color-primary);
  letter-spacing: 0.12em;
  margin-bottom: 8px;
}

.chef-name {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 600;
  color: var(--color-heading);
  margin-bottom: 20px;
}

.chef-name-en {
  display: block;
  font-size: 14px;
  font-weight: 400;
  font-style: italic;
  color: var(--color-text-light);
  letter-spacing: 0.1em;
  margin-top: 4px;
}

.chef-message p {
  font-size: 14.5px;
  color: var(--color-text);
  margin-bottom: 14px;
}

.chef-career {
  margin-top: 28px;
  padding-top: 28px;
  border-top: 1px solid var(--color-border);
}

.chef-career dl {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 8px 16px;
}

.chef-career dt {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
}

.chef-career dd {
  font-size: 13.5px;
  color: var(--color-text);
}

/* ---------- INTERIOR ---------- */
.interior-desc {
  text-align: center;
  margin-bottom: 48px;
  color: var(--color-text-light);
  font-size: 14.5px;
}

.interior-gallery {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: auto auto;
  gap: 16px;
  margin-bottom: 48px;
}

.gallery-item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
}

.gallery-large {
  grid-column: 1 / -1;
}

.gallery-item img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.gallery-large img {
  height: 400px;
}

.gallery-item:hover img {
  transform: scale(1.04);
}

.gallery-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 12px 16px;
  background: linear-gradient(transparent, rgba(42,37,32,0.7));
  color: var(--color-white);
  font-size: 13px;
  font-weight: 500;
}

.interior-features {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.interior-feature {
  text-align: center;
  padding: 24px 16px;
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.interior-feature i {
  font-size: 24px;
  color: var(--color-primary);
  margin-bottom: 10px;
  display: block;
}

.interior-feature strong {
  display: block;
  font-size: 14px;
  color: var(--color-heading);
  margin-bottom: 2px;
}

.interior-feature span {
  font-size: 12px;
  color: var(--color-text-light);
}

/* ---------- INFO ---------- */
.info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.info-table {
  width: 100%;
  border-collapse: collapse;
}

.info-table th,
.info-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--color-border);
  text-align: left;
  font-size: 14px;
  vertical-align: top;
}

.info-table th {
  width: 100px;
  font-weight: 600;
  color: var(--color-heading);
  white-space: nowrap;
}

.info-table td a {
  font-weight: 500;
}

.map-wrapper {
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  margin-bottom: 20px;
}

.map-wrapper iframe { display: block; }

.access-detail {
  background: var(--color-bg-alt);
  border-radius: var(--radius-md);
  padding: 24px;
}

.access-detail h4 {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-heading);
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.access-detail h4 i { color: var(--color-primary); }

.access-detail p {
  font-size: 13.5px;
  color: var(--color-text);
  margin-bottom: 16px;
}

.access-detail p:last-child { margin-bottom: 0; }

/* ---------- RESERVE ---------- */
.section-reserve {
  position: relative;
  padding: 110px 0;
  overflow: hidden;
}

.reserve-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}

.reserve-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, rgba(42,37,32,0.88) 0%, rgba(42,37,32,0.75) 100%);
}

.reserve-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: var(--color-white);
}

.reserve-desc {
  font-size: 15px;
  opacity: 0.9;
  margin-bottom: 36px;
  line-height: 2;
}

.reserve-btns {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.btn-reserve-phone {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 40px;
  background: var(--color-white);
  color: var(--color-primary);
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  letter-spacing: 0.04em;
}

.btn-reserve-phone:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 24px rgba(0,0,0,0.2);
  color: var(--color-primary);
}

.btn-reserve-web {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 40px;
  background: var(--color-primary);
  color: var(--color-white);
  font-size: 15px;
  font-weight: 500;
  border-radius: var(--radius-sm);
  border: 2px solid var(--color-primary);
  transition: all var(--transition);
}

.btn-reserve-web:hover {
  background: transparent;
  border-color: var(--color-white);
  color: var(--color-white);
  transform: translateY(-3px);
}

.reserve-note {
  font-size: 13px;
  opacity: 0.7;
  line-height: 1.9;
}

/* ---------- NEWS ---------- */
.news-list {
  max-width: 780px;
  margin: 0 auto;
}

.news-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text);
  transition: all var(--transition);
}

.news-item:first-child { border-top: 1px solid var(--color-border); }

.news-item:hover {
  color: var(--color-primary);
  padding-left: 8px;
}

.news-date {
  font-family: var(--font-display);
  font-size: 14px;
  color: var(--color-text-light);
  white-space: nowrap;
  flex-shrink: 0;
  letter-spacing: 0.04em;
}

.news-tag {
  display: inline-block;
  padding: 2px 12px;
  font-size: 11px;
  font-weight: 600;
  border-radius: 50px;
  white-space: nowrap;
  flex-shrink: 0;
}

.tag-info { background: var(--color-primary-light); color: var(--color-primary-dark); }
.tag-menu { background: var(--color-accent-light); color: var(--color-accent); }
.tag-event { background: #FFF8E1; color: #B8923E; }
.tag-media { background: #EDE9FE; color: #6D28D9; }

.news-title {
  font-size: 14px;
  flex: 1;
}

/* ---------- FOOTER ---------- */
.site-footer {
  background: var(--color-bg-dark);
  color: #9A9590;
  padding: 60px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-logo { margin-bottom: 20px; }

.footer-logo-main {
  display: block;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  color: var(--color-white);
}

.footer-logo-sub {
  display: block;
  font-size: 10px;
  color: #7A7570;
  letter-spacing: 0.1em;
}

.footer-address {
  font-size: 13px;
  line-height: 1.8;
  margin-bottom: 12px;
}

.footer-tel {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-white);
}

.footer-tel i { color: var(--color-primary); }

.footer-nav h4,
.footer-hours h4,
.footer-social h4 {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: 16px;
  letter-spacing: 0.06em;
}

.footer-nav li { margin-bottom: 8px; }

.footer-nav a {
  font-size: 13px;
  color: #9A9590;
  transition: color var(--transition);
}

.footer-nav a:hover { color: var(--color-primary); }

.footer-hours p {
  font-size: 13px;
  line-height: 1.8;
}

.footer-closed {
  margin-top: 8px;
  font-size: 12.5px;
  color: #7A7570;
}

.social-links {
  display: flex;
  gap: 12px;
}

.social-links a {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  color: #9A9590;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  transition: all var(--transition);
}

.social-links a:hover {
  background: var(--color-primary);
  color: var(--color-white);
}

.footer-bottom {
  padding: 20px 0;
  text-align: center;
  font-size: 12px;
  color: #6A6560;
}

/* ---------- BACK TO TOP ---------- */
.back-to-top {
  position: fixed;
  bottom: 100px;
  right: 24px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-white);
  border: none;
  cursor: pointer;
  font-size: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition);
  z-index: 900;
}

.back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { background: var(--color-primary-dark); transform: translateY(-3px); }

/* ---------- FIXED SP BAR ---------- */
.fixed-sp-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 999;
  background: var(--color-white);
  box-shadow: 0 -2px 10px rgba(0,0,0,0.1);
}

.fixed-sp-bar a {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-white);
  background: var(--color-primary);
}

.fixed-sp-bar a.sp-web-reserve {
  background: var(--color-bg-dark);
}

/* =============================================
   RESPONSIVE
   ============================================= */

@media (max-width: 1024px) {
  .main-nav {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(255,252,249,0.98);
    backdrop-filter: blur(12px);
    z-index: 1000;
    padding: 100px 32px 32px;
    overflow-y: auto;
  }

  .main-nav.open { display: block; }

  .main-nav ul {
    flex-direction: column;
    gap: 0;
  }

  .main-nav a {
    font-size: 17px;
    padding: 16px 0;
    border-bottom: 1px solid var(--color-border);
  }

  .nav-reserve {
    margin-left: 0 !important;
    margin-top: 16px;
    text-align: center;
    display: block !important;
    border-bottom: none !important;
  }

  .mobile-menu-btn { display: flex; }

  .concept-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .concept-card {
    display: grid;
    grid-template-columns: 200px 1fr;
  }

  .concept-card-img { height: 100%; }

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

  .chef-image { max-width: 360px; margin: 0 auto; }

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

  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 768px) {
  .pc-only { display: none; }
  .sp-only { display: inline; }

  .section { padding: 80px 0; }

  .section-title { font-size: 26px; }

  .hero { min-height: 520px; }
  .hero-title { font-size: 28px; }
  .hero-desc { font-size: 14px; }

  .hero-btns {
    flex-direction: column;
    gap: 12px;
  }

  .hero-btns .btn { text-align: center; }

  .concept-card {
    grid-template-columns: 1fr;
  }

  .concept-card-img { height: 200px; }

  .concept-tagline { font-size: 20px; }

  .menu-tab { padding: 8px 20px; font-size: 14px; }

  .menu-course { padding: 24px 20px; }

  .menu-images img { height: 160px; }

  .interior-gallery {
    grid-template-columns: 1fr;
  }

  .gallery-large img,
  .gallery-item img {
    height: 220px;
  }

  .interior-features {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }

  .news-item { flex-wrap: wrap; gap: 8px; }
  .news-title { flex-basis: 100%; }

  .reserve-btns { flex-direction: column; align-items: center; }

  .btn-reserve-phone { font-size: 18px; padding: 14px 32px; }

  .footer-grid { grid-template-columns: 1fr; gap: 28px; }

  .fixed-sp-bar { display: flex; }
  .site-footer { padding-bottom: 60px; }
  .back-to-top { bottom: 80px; }
}

@media (max-width: 480px) {
  .hero { min-height: 440px; }
  .hero-title { font-size: 24px; }

  .menu-images { grid-template-columns: 1fr; }
  .menu-images img { height: 200px; }

  .interior-features { grid-template-columns: 1fr; }
}