/* ============================================
   café 陽だまり - Stylesheet
   Natural, warm, Nagasaki-inspired design
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
  /* Colors - Warm natural palette */
  --color-bg: #FAF7F2;
  --color-bg-alt: #F3EDE4;
  --color-bg-dark: #2C2520;
  --color-text: #3D3530;
  --color-text-light: #7A6F66;
  --color-text-muted: #A49A90;
  --color-accent: #B07D4B;
  --color-accent-light: #D4A574;
  --color-accent-dark: #8C5E34;
  --color-green: #6B8F71;
  --color-green-light: #8FB896;
  --color-cream: #F5EFE6;
  --color-white: #FFFFFF;
  --color-border: #E5DED5;
  --color-shadow: rgba(60, 50, 40, 0.08);
  --color-overlay: rgba(44, 37, 32, 0.45);

  /* Typography */
  --font-body: 'Zen Maru Gothic', 'Noto Sans JP', sans-serif;
  --font-heading: 'Zen Maru Gothic', serif;
  --font-accent: 'Cormorant Garamond', serif;

  /* Spacing */
  --section-padding: 120px;
  --container-width: 1200px;
  --header-height: 72px;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.4s ease;
  --transition-slow: 0.6s ease;
  --transition-cubic: 0.6s cubic-bezier(0.22, 1, 0.36, 1);

  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 32px;
}

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

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

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

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

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

ul {
  list-style: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

/* --- Loader --- */
.loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--color-bg);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}

.loader.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loader-inner {
  text-align: center;
}

.loader-circle {
  width: 48px;
  height: 48px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto 1.5rem;
}

.loader-text {
  font-family: var(--font-accent);
  font-size: 1.5rem;
  color: var(--color-accent);
  letter-spacing: 0.1em;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* --- Container --- */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 2rem;
}

/* --- Section --- */
.section {
  padding: var(--section-padding) 0;
}

.section-sm {
  padding: 60px 0;
}

.section-label {
  font-family: var(--font-accent);
  font-size: 0.95rem;
  letter-spacing: 0.2em;
  color: var(--color-accent);
  text-transform: uppercase;
  margin-bottom: 0.75rem;
  text-align: center;
}

.section-title {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 500;
  color: var(--color-text);
  text-align: center;
  margin-bottom: 1rem;
  letter-spacing: 0.05em;
}

.section-subtitle {
  font-size: 0.95rem;
  color: var(--color-text-light);
  text-align: center;
  margin-bottom: 3.5rem;
  font-weight: 300;
}

/* --- Header / Navigation --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: background var(--transition-base), box-shadow var(--transition-base), padding var(--transition-base);
  padding: 0.5rem 0;
}

.header.scrolled {
  background: rgba(250, 247, 242, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 20px var(--color-shadow);
  padding: 0;
}

.header-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  z-index: 1001;
}

.logo-icon {
  font-size: 1.5rem;
}

.logo-text {
  font-family: var(--font-accent);
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: 0.05em;
  transition: color var(--transition-fast);
}

.header:not(.scrolled) .logo-text {
  color: var(--color-white);
}

.nav-list {
  display: flex;
  gap: 2.5rem;
}

.nav-link {
  font-size: 0.85rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  color: var(--color-text-light);
  position: relative;
  padding: 0.25rem 0;
  transition: color var(--transition-fast);
}

.header:not(.scrolled) .nav-link {
  color: rgba(255, 255, 255, 0.85);
}

.header:not(.scrolled) .nav-link:hover,
.header:not(.scrolled) .nav-link.active {
  color: var(--color-white);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition-base);
}

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

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

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  z-index: 1001;
  padding: 0.5rem;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  transition: all var(--transition-base);
  border-radius: 2px;
}

.header:not(.scrolled) .hamburger span {
  background: var(--color-white);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

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

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

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

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.05);
  animation: heroZoom 20s ease-in-out infinite alternate;
}

@keyframes heroZoom {
  0% { transform: scale(1.05); }
  100% { transform: scale(1.12); }
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(44, 37, 32, 0.35) 0%,
    rgba(44, 37, 32, 0.2) 40%,
    rgba(44, 37, 32, 0.5) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  color: var(--color-white);
  padding: 0 2rem;
}

.hero-sub {
  font-family: var(--font-accent);
  font-size: 1rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  margin-bottom: 1rem;
  opacity: 0.9;
}

.hero-title {
  font-family: var(--font-accent);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 400;
  letter-spacing: 0.15em;
  margin-bottom: 1.5rem;
  text-shadow: 0 2px 30px rgba(0, 0, 0, 0.2);
}

.hero-desc {
  font-size: 1rem;
  font-weight: 300;
  line-height: 2;
  letter-spacing: 0.15em;
  margin-bottom: 2.5rem;
  opacity: 0.9;
}

.hero-btn {
  display: inline-block;
  padding: 0.9rem 2.5rem;
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: 50px;
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  color: var(--color-white);
  transition: all var(--transition-base);
}

.hero-btn:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: var(--color-white);
  transform: translateY(-2px);
}

/* Hero scroll indicator */
.hero-scroll {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  color: var(--color-white);
  z-index: 1;
}

.hero-scroll span {
  font-family: var(--font-accent);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  display: block;
  margin-bottom: 0.5rem;
}

.hero-scroll-line {
  width: 1px;
  height: 50px;
  background: rgba(255, 255, 255, 0.4);
  margin: 0 auto;
  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 2s ease-in-out infinite;
}

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

/* Hero animations */
.animate-fade-up {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeUp 1s ease forwards;
}

.delay-1 { animation-delay: 0.3s; }
.delay-2 { animation-delay: 0.6s; }
.delay-3 { animation-delay: 0.9s; }

@keyframes fadeUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* --- About Section --- */
.about {
  background: var(--color-bg);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  margin-top: 3rem;
}

.about-images {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 1rem;
}

.about-img-main {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 3/4;
}

.about-img-main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.about-img-main:hover img {
  transform: scale(1.05);
}

.about-img-sub {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 3/4;
  margin-top: 2rem;
}

.about-img-sub img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.about-img-sub:hover img {
  transform: scale(1.05);
}

.about-heading {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 500;
  line-height: 1.8;
  margin-bottom: 1.5rem;
  color: var(--color-text);
}

.about-description {
  font-size: 0.95rem;
  line-height: 2;
  color: var(--color-text-light);
  margin-bottom: 1rem;
  font-weight: 300;
}

.about-info {
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
}

.about-info-item {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: 0.75rem;
}

.about-info-label {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-accent);
  letter-spacing: 0.1em;
  min-width: 80px;
}

.about-info-value {
  font-size: 0.9rem;
  color: var(--color-text-light);
}

/* --- Features Section --- */
.features {
  background: var(--color-cream);
  padding: 80px 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
}

.feature-card {
  text-align: center;
  padding: 2.5rem 2rem;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(60, 50, 40, 0.08);
}

.feature-icon {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
}

.feature-title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 500;
  margin-bottom: 1rem;
  color: var(--color-text);
}

.feature-desc {
  font-size: 0.9rem;
  color: var(--color-text-light);
  line-height: 1.8;
  font-weight: 300;
}

/* --- Menu Section --- */
.menu {
  background: var(--color-bg);
}

.menu-tabs {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 3rem;
}

.menu-tab {
  padding: 0.7rem 2rem;
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  color: var(--color-text-light);
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
  background: transparent;
}

.menu-tab:hover {
  border-color: var(--color-accent-light);
  color: var(--color-accent);
}

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

.menu-content {
  display: none;
  animation: fadeIn 0.5s ease;
}

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

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.menu-category-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 3rem;
  align-items: start;
}

.menu-image-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 1/1;
  position: sticky;
  top: calc(var(--header-height) + 2rem);
}

.menu-image-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

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

.menu-items-card {
  padding: 0;
}

.menu-category-title {
  font-family: var(--font-accent);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--color-accent);
  letter-spacing: 0.15em;
  margin-bottom: 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--color-border);
}

.menu-item {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: 1rem 0;
  border-bottom: 1px dashed var(--color-border);
  transition: background var(--transition-fast);
}

.menu-item:last-child {
  border-bottom: none;
}

.menu-item:hover {
  padding-left: 0.5rem;
}

.menu-item-info {
  flex: 1;
}

.menu-item-name {
  display: block;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: 0.25rem;
}

.menu-item-desc {
  display: block;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  font-weight: 300;
}

.menu-item-price {
  font-family: var(--font-accent);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-accent);
  white-space: nowrap;
  margin-left: 1.5rem;
  padding-top: 0.15rem;
}

/* --- Gallery Section --- */
.gallery {
  background: var(--color-cream);
  overflow: hidden;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}

.gallery-item {
  aspect-ratio: 1/1;
  overflow: hidden;
  position: relative;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.gallery-item:hover img {
  transform: scale(1.1);
}

.gallery-item::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(44, 37, 32, 0);
  transition: background var(--transition-base);
}

.gallery-item:hover::after {
  background: rgba(44, 37, 32, 0.1);
}

/* --- Access Section --- */
.access {
  background: var(--color-bg);
}

.access-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3rem;
  margin-top: 3rem;
}

.access-map {
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-height: 450px;
  box-shadow: 0 4px 20px var(--color-shadow);
}

.access-map iframe {
  display: block;
}

.access-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: 0 4px 20px var(--color-shadow);
}

.access-card-title {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid var(--color-accent-light);
}

.access-detail {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.access-detail-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.access-icon {
  font-size: 1.2rem;
  flex-shrink: 0;
  margin-top: 0.1rem;
}

.access-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-accent);
  letter-spacing: 0.1em;
  margin-bottom: 0.25rem;
}

.access-value {
  display: block;
  font-size: 0.9rem;
  color: var(--color-text-light);
  line-height: 1.7;
}

/* --- Contact Section --- */
.contact {
  background: var(--color-cream);
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 3rem;
  margin-top: 3rem;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.contact-info-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: 0 4px 20px var(--color-shadow);
}

.contact-info-title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 500;
  margin-bottom: 1rem;
  color: var(--color-text);
}

.contact-phone {
  display: block;
  font-family: var(--font-accent);
  font-size: 1.8rem;
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: 0.5rem;
  transition: color var(--transition-fast);
}

.contact-phone:hover {
  color: var(--color-accent-dark);
}

.contact-info-note {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.contact-sns {
  display: flex;
  gap: 1rem;
}

.sns-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.2rem;
  border: 1px solid var(--color-border);
  border-radius: 50px;
  font-size: 0.85rem;
  color: var(--color-text-light);
  transition: all var(--transition-base);
}

.sns-link:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: var(--color-cream);
}

.sns-link svg {
  width: 18px;
  height: 18px;
}

/* Contact Form */
.contact-form-wrapper {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: 0 4px 20px var(--color-shadow);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: 0.5rem;
  letter-spacing: 0.05em;
}

.required {
  color: #C75B5B;
  font-size: 0.8rem;
}

.form-input {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  color: var(--color-text);
  font-size: 0.9rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}

.form-input:focus {
  border-color: var(--color-accent-light);
  box-shadow: 0 0 0 3px rgba(176, 125, 75, 0.1);
}

.form-input::placeholder {
  color: var(--color-text-muted);
  font-weight: 300;
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%237A6F66' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

.form-submit {
  width: 100%;
  padding: 1rem;
  background: var(--color-accent);
  color: var(--color-white);
  border: none;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: all var(--transition-base);
}

.form-submit:hover {
  background: var(--color-accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(176, 125, 75, 0.25);
}

.form-submit:active {
  transform: translateY(0);
}

/* --- Footer --- */
.footer {
  background: var(--color-bg-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 4rem 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 3rem;
}

.footer-brand {
  max-width: 280px;
}

.footer-logo {
  font-family: var(--font-accent);
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--color-white);
  letter-spacing: 0.05em;
}

.footer-tagline {
  margin-top: 1rem;
  font-size: 0.85rem;
  line-height: 1.8;
  font-weight: 300;
}

.footer-heading {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  color: var(--color-accent-light);
  margin-bottom: 1.25rem;
  text-transform: uppercase;
}

.footer-links ul {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-links a {
  font-size: 0.85rem;
  font-weight: 300;
  transition: color var(--transition-fast);
}

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

.footer-links li {
  font-size: 0.85rem;
  font-weight: 300;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 1.5rem 0;
  text-align: center;
}

.footer-bottom p {
  font-size: 0.75rem;
  font-weight: 300;
  opacity: 0.6;
}

/* --- Back to Top --- */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 48px;
  height: 48px;
  background: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px var(--color-shadow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-base);
  z-index: 100;
  color: var(--color-accent);
}

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

.back-to-top:hover {
  background: var(--color-accent);
  color: var(--color-white);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(176, 125, 75, 0.2);
}

/* --- AOS (Animate on Scroll) Custom --- */
[data-aos] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--transition-cubic), transform var(--transition-cubic);
}

[data-aos].visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  :root {
    --section-padding: 80px;
  }

  .about-grid {
    gap: 3rem;
  }

  .features-grid {
    gap: 1.5rem;
  }

  .menu-category-grid {
    grid-template-columns: 1fr 1.5fr;
    gap: 2rem;
  }

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

  .access-map {
    min-height: 350px;
  }
}

@media (max-width: 768px) {
  :root {
    --section-padding: 60px;
    --header-height: 64px;
  }

  .hamburger {
    display: flex;
  }

  .nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background: var(--color-bg);
    padding: 6rem 2rem 2rem;
    transition: right var(--transition-cubic);
    box-shadow: -10px 0 40px rgba(0, 0, 0, 0.1);
    z-index: 1000;
  }

  .nav.active {
    right: 0;
  }

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

  .nav-link {
    display: block;
    padding: 1rem 0;
    font-size: 1rem;
    border-bottom: 1px solid var(--color-border);
    color: var(--color-text) !important;
  }

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

  .hero-title {
    font-size: clamp(2rem, 8vw, 3rem);
  }

  .hero-desc {
    font-size: 0.9rem;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .about-images {
    max-width: 500px;
    margin: 0 auto;
  }

  .features-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .feature-card {
    padding: 2rem 1.5rem;
  }

  .menu-tabs {
    flex-wrap: wrap;
  }

  .menu-tab {
    padding: 0.6rem 1.5rem;
    font-size: 0.85rem;
  }

  .menu-category-grid {
    grid-template-columns: 1fr;
  }

  .menu-image-card {
    position: relative;
    top: 0;
    aspect-ratio: 16/10;
  }

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

  .contact-grid {
    grid-template-columns: 1fr;
  }

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

  .section-title {
    font-size: 1.6rem;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 1.25rem;
  }

  .about-images {
    grid-template-columns: 1fr;
  }

  .about-img-sub {
    margin-top: 0;
    aspect-ratio: 16/10;
  }

  .contact-sns {
    flex-direction: column;
  }

  .access-card {
    padding: 1.5rem;
  }

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

/* --- Mobile Nav Overlay --- */
.nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

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