/* =============================================
   おおがさんち（大賀屋）- style.css
   ============================================= */

/* ----- CSS Variables ----- */
:root {
  --color-primary:   #C4601A;
  --color-secondary: #E8A44A;
  --color-accent:    #8B4C21;
  --color-dark:      #2C1A0E;
  --bg-cream:        #FBF6EE;
  --bg-light:        #FFF9F2;
  --text-dark:       #2C1A0E;
  --text-mid:        #6B4226;
  --text-light:      #A07850;
  --border-color:    #E8D9C8;
  --white:           #ffffff;

  --font-sans:  'Noto Sans JP', sans-serif;
  --font-serif: 'Noto Serif JP', serif;
  --font-en:    'Playfair Display', serif;

  --header-h: 72px;
  --radius:   8px;
  --shadow:   0 4px 24px rgba(44, 26, 14, 0.10);
  --shadow-lg: 0 8px 40px rgba(44, 26, 14, 0.15);
  --transition: 0.3s ease;
}

/* ----- 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);
  color: var(--text-dark);
  background: var(--white);
  line-height: 1.8;
  overflow-x: hidden;
}

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

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

a:hover { opacity: 0.75; }

ul { list-style: none; }

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

.section {
  padding: 100px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-label {
  font-family: var(--font-en);
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.3em;
  color: var(--color-primary);
  display: block;
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 700;
  color: var(--text-dark);
  line-height: 1.4;
  margin-bottom: 20px;
}

.section-desc {
  font-size: 0.95rem;
  color: var(--text-mid);
  line-height: 2;
}

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

/* ----- Buttons ----- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 50px;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: background var(--transition), color var(--transition),
              border-color var(--transition), transform var(--transition),
              box-shadow var(--transition), opacity var(--transition);
  border: 2px solid transparent;
  text-decoration: none;
  white-space: nowrap;
}

.btn:hover { opacity: 1; transform: translateY(-2px); }

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

.btn-primary:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  box-shadow: 0 6px 20px rgba(196, 96, 26, 0.35);
}

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

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

.btn-outline.dark {
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-outline.dark:hover {
  background: var(--color-primary);
  color: var(--white);
}

.btn-sm { padding: 10px 22px; font-size: 0.82rem; }

.btn-large { padding: 18px 48px; font-size: 1rem; }

/* ----- Reveal Animation ----- */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ----- HEADER ----- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-h);
  z-index: 1000;
  transition: background var(--transition), box-shadow var(--transition);
}

.header.scrolled {
  background: rgba(255, 249, 242, 0.97);
  box-shadow: 0 2px 16px rgba(44, 26, 14, 0.10);
  backdrop-filter: blur(8px);
}

.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo {
  display: flex;
  flex-direction: column;
  line-height: 1;
  text-decoration: none;
  transition: opacity var(--transition);
}

.logo:hover { opacity: 0.8; }

.logo-img {
  height: 44px;
  width: auto;
  object-fit: contain;
  display: block;
}

.logo-en {
  font-family: var(--font-en);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.1em;
}

.logo-ja {
  font-family: var(--font-serif);
  font-size: 0.65rem;
  color: var(--text-mid);
  letter-spacing: 0.05em;
  margin-top: 3px;
}

.header.scrolled .logo-en { color: var(--color-primary); }

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

.nav-link {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--white);
  letter-spacing: 0.05em;
  position: relative;
  padding-bottom: 4px;
}

.header.scrolled .nav-link { color: var(--text-dark); }

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

.nav-link:hover::after,
.nav-link:focus::after { width: 100%; }
.nav-link:hover { opacity: 1; }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  z-index: 1100;
}

.hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition),
              background var(--transition);
}

.header.scrolled .hamburger span,
.hamburger.is-active span { background: var(--text-dark); }

.hamburger.is-active span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.hamburger.is-active span:nth-child(2) { opacity: 0; }
.hamburger.is-active span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ----- HERO ----- */
.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;
  object-position: center;
}

/* Fallback gradient when hero.jpg is not present */
.hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #5c2d0e 0%, #8B4C21 35%, #C4601A 65%, #E8A44A 100%);
  z-index: 0;
}

.hero-img { position: relative; z-index: 1; }

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(28, 14, 4, 0.35) 0%,
    rgba(28, 14, 4, 0.55) 50%,
    rgba(28, 14, 4, 0.70) 100%
  );
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  text-align: center;
  color: var(--white);
  padding: 0 24px;
  max-width: 800px;
  animation: heroFadeIn 1.2s ease both;
}

@keyframes heroFadeIn {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero-label {
  font-family: var(--font-en);
  font-size: 0.75rem;
  letter-spacing: 0.4em;
  opacity: 0.85;
  margin-bottom: 20px;
  text-transform: uppercase;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 6vw, 3.6rem);
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: 20px;
  text-shadow: 0 2px 12px rgba(0,0,0,0.3);
}

.hero-desc {
  font-size: clamp(0.85rem, 2vw, 1rem);
  line-height: 2;
  opacity: 0.9;
  margin-bottom: 40px;
}

.hero-cta {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* Scroll indicator */
.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.7);
}

.hero-scroll-text {
  font-family: var(--font-en);
  font-size: 0.65rem;
  letter-spacing: 0.3em;
}

.scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.7), transparent);
  animation: scrollAnim 1.8s ease-in-out infinite;
}

@keyframes scrollAnim {
  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; }
}

/* ----- CONCEPT ----- */
.concept {
  background: var(--bg-cream);
}

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

.concept-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 40px 28px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}

.concept-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.concept-icon {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--bg-cream);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  color: var(--color-primary);
}

.concept-card-title {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 16px;
}

.concept-card-text {
  font-size: 0.88rem;
  color: var(--text-mid);
  line-height: 1.9;
}

/* ----- MENU ----- */
.menu {
  background: var(--bg-light);
}

.menu-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-bottom: 40px;
}

.menu-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}

.menu-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.menu-card-img {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, var(--color-secondary), var(--color-accent));
}

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

.menu-card:hover .menu-card-img img {
  transform: scale(1.06);
}

/* Placeholder for missing images */
.menu-card-img img[src=""] ,
.menu-card-img img:not([src]) {
  display: none;
}

.menu-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--color-primary);
  color: var(--white);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 50px;
  letter-spacing: 0.05em;
}

.menu-badge--cool { background: #5b9bd5; }
.menu-badge--special { background: var(--color-accent); }

.menu-card-body {
  padding: 20px 22px 24px;
}

.menu-card-title {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 10px;
}

.menu-card-text {
  font-size: 0.83rem;
  color: var(--text-mid);
  line-height: 1.85;
}

.menu-note {
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-light);
}

.menu-note a {
  color: var(--color-primary);
  text-decoration: underline;
}

/* ----- STORY ----- */
.story {
  background: var(--bg-cream);
}

.story-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}

.story-img-wrap {
  position: relative;
  padding: 12px;
  border: 2px solid var(--color-secondary);
  border-radius: var(--radius);
  background: var(--bg-cream);
}

.story-img {
  display: block;
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
  object-position: center center;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  background: linear-gradient(135deg, var(--color-secondary), var(--color-accent));
  image-orientation: from-image;
}

.story-img-wrap::before {
  content: none;
}

.story-title {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 3.5vw, 2.2rem);
  font-weight: 700;
  color: var(--text-dark);
  line-height: 1.4;
  margin-bottom: 28px;
}

.story-text {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-bottom: 32px;
}

.story-text p {
  font-size: 0.92rem;
  color: var(--text-mid);
  line-height: 2;
}

.story-signature {
  padding-top: 24px;
  border-top: 1px solid var(--border-color);
}

.story-signature span {
  font-family: var(--font-serif);
  font-size: 0.9rem;
  color: var(--text-mid);
  letter-spacing: 0.1em;
}

/* ----- VEHICLE ----- */
.vehicle {
  background: var(--white);
}

.vehicle-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.vehicle-info-title {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--color-secondary);
}

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

.vehicle-table th,
.vehicle-table td {
  padding: 14px 16px;
  font-size: 0.9rem;
  border-bottom: 1px solid var(--border-color);
  text-align: left;
  vertical-align: middle;
}

.vehicle-table th {
  font-weight: 700;
  color: var(--text-dark);
  width: 40%;
  background: var(--bg-cream);
}

.vehicle-table td {
  color: var(--text-mid);
}

.vehicle-badge-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.vehicle-badge {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--bg-cream);
  padding: 14px 18px;
  border-radius: var(--radius);
  font-size: 0.88rem;
  color: var(--text-dark);
  font-weight: 500;
  border-left: 3px solid var(--color-primary);
}

.vehicle-badge svg {
  color: var(--color-primary);
  flex-shrink: 0;
}

.vehicle-photo {
  margin-bottom: 48px;
  border-radius: var(--radius);
  overflow: hidden;
  max-height: 420px;
  box-shadow: var(--shadow-lg);
}

.vehicle-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  image-orientation: from-image;
}

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

/* ----- GALLERY ----- */
.gallery {
  background: var(--bg-light);
  padding-bottom: 60px;
}

.gallery-wrap {
  position: relative;
  overflow: hidden;
  margin: 0 0 24px;
}

.gallery-track {
  display: flex;
  transition: transform 0.45s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  cursor: grab;
}

.gallery-track:active { cursor: grabbing; }

.gallery-item {
  flex: 0 0 calc(33.333% - 8px);
  margin-right: 12px;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, var(--color-secondary), var(--color-accent));
}

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

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

.gallery-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.92);
  border: none;
  font-size: 1.8rem;
  line-height: 1;
  cursor: pointer;
  color: var(--color-primary);
  box-shadow: var(--shadow);
  transition: background var(--transition), transform var(--transition),
              box-shadow var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
}

.gallery-btn:hover {
  background: var(--color-primary);
  color: var(--white);
  box-shadow: var(--shadow-lg);
  transform: translateY(-50%) scale(1.08);
}

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

.gallery-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 32px;
}

.gallery-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--border-color);
  border: none;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
  padding: 0;
}

.gallery-dot.is-active {
  background: var(--color-primary);
  transform: scale(1.3);
}

.gallery-instagram {
  text-align: center;
  font-size: 0.88rem;
  color: var(--text-mid);
}

.gallery-instagram a {
  color: var(--color-primary);
  font-weight: 700;
  text-decoration: underline;
}

/* ----- CONTACT ----- */
.contact {
  background: var(--bg-cream);
}

.contact-form {
  max-width: 700px;
  margin: 0 auto;
  background: var(--white);
  border-radius: 12px;
  padding: 48px 48px;
  box-shadow: var(--shadow-lg);
}

.form-group {
  margin-bottom: 24px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 24px;
}

.form-row .form-group {
  margin-bottom: 0;
}

.form-label {
  display: block;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 8px;
}

.required {
  display: inline-block;
  font-size: 0.7rem;
  color: var(--white);
  background: var(--color-primary);
  padding: 2px 7px;
  border-radius: 3px;
  margin-left: 6px;
  vertical-align: middle;
  font-weight: 700;
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-size: 0.92rem;
  color: var(--text-dark);
  background: var(--bg-light);
  transition: border-color var(--transition), box-shadow var(--transition);
  appearance: none;
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(196, 96, 26, 0.15);
  background: var(--white);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: #bba89a;
}

.form-textarea {
  resize: vertical;
  min-height: 130px;
}

.form-error {
  display: block;
  font-size: 0.78rem;
  color: #d94f4f;
  margin-top: 6px;
  min-height: 1.2em;
}

.form-submit {
  text-align: center;
  margin-top: 8px;
  margin-bottom: 16px;
}

.form-success {
  background: #edf7ed;
  border: 1.5px solid #a3d9a5;
  border-radius: var(--radius);
  padding: 28px 24px;
  text-align: center;
  margin-bottom: 16px;
  color: #2e7d32;
}

.form-success svg {
  margin: 0 auto 12px;
  color: #43a047;
}

.form-success p {
  font-size: 0.9rem;
  line-height: 2;
}

.form-note {
  text-align: center;
  font-size: 0.78rem;
  color: var(--text-light);
}

/* ----- ACCESS ----- */
.access {
  background: var(--white);
}

.access-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}

.access-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 28px;
}

.access-table th,
.access-table td {
  padding: 16px 14px;
  font-size: 0.88rem;
  border-bottom: 1px solid var(--border-color);
  vertical-align: top;
  text-align: left;
}

.access-table th {
  font-weight: 700;
  color: var(--text-dark);
  white-space: nowrap;
  width: 36%;
}

.access-table td {
  color: var(--text-mid);
  line-height: 1.9;
}

.access-table td a {
  color: var(--color-primary);
  font-weight: 700;
}

.access-table small {
  font-size: 0.78rem;
  color: var(--text-light);
}

.access-map iframe {
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  display: block;
}

.access-sns { margin-top: 8px; }

/* ----- FOOTER ----- */
.footer {
  background: var(--text-dark);
  color: var(--white);
  padding: 64px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-logo-en {
  font-family: var(--font-en);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-secondary);
  letter-spacing: 0.1em;
  margin-bottom: 6px;
}

.footer-logo-ja {
  font-family: var(--font-serif);
  font-size: 0.75rem;
  color: rgba(255,255,255,0.6);
  letter-spacing: 0.05em;
  margin-bottom: 16px;
}

.footer-tagline {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.5);
  line-height: 1.8;
}

.footer-nav ul {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-nav a {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.7);
  transition: color var(--transition);
}

.footer-nav a:hover {
  color: var(--color-secondary);
  opacity: 1;
}

.footer-instagram {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
  color: rgba(255,255,255,0.8);
  font-weight: 700;
  transition: color var(--transition);
}

.footer-instagram:hover {
  color: var(--color-secondary);
  opacity: 1;
}

.footer-bottom {
  padding: 20px 0;
  text-align: center;
}

.footer-bottom p {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.35);
}

/* ----- BACK TO TOP ----- */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--white);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition), transform var(--transition),
              background var(--transition);
  z-index: 900;
}

.back-to-top.visible {
  opacity: 1;
  pointer-events: auto;
}

.back-to-top:hover {
  background: var(--color-accent);
  transform: translateY(-3px);
}

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

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

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

  .menu-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }

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

  .story-img-wrap { max-width: 400px; margin: 0 auto; }

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

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

  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .footer-brand { grid-column: 1 / -1; }
}

/* Mobile */
@media (max-width: 767px) {
  :root { --header-h: 64px; }

  .pc-only { display: none !important; }
  .sp-only { display: block !important; }

  .section { padding: 60px 0; }
  .section-header { margin-bottom: 40px; }

  /* Header */
  .hamburger { display: flex; }

  .nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: min(280px, 80vw);
    height: 100vh;
    background: var(--bg-light);
    padding: calc(var(--header-h) + 24px) 32px 40px;
    box-shadow: -4px 0 24px rgba(0,0,0,0.12);
    transition: right 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    z-index: 1050;
  }

  .nav.is-open { right: 0; }

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

  .nav-list li {
    width: 100%;
    border-bottom: 1px solid var(--border-color);
  }

  .nav-link {
    display: block;
    padding: 16px 0;
    font-size: 1rem;
    color: var(--text-dark);
  }

  .nav-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.4);
    z-index: 1040;
  }

  .nav-overlay.is-show { display: block; }

  /* Hero */
  .hero-title { font-size: clamp(1.7rem, 7vw, 2.4rem); }
  .hero-cta { flex-direction: column; align-items: center; }
  .hero-cta .btn { width: 100%; max-width: 300px; justify-content: center; }

  /* Menu */
  .menu-grid { grid-template-columns: 1fr; }

  /* Contact */
  .contact-form { padding: 32px 20px; }
  .form-row { grid-template-columns: 1fr; }

  /* Gallery */
  .gallery-item { flex: 0 0 calc(80% - 8px); }

  /* Footer */
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
    text-align: center;
  }

  .footer-nav ul { align-items: center; }
  .footer-social { display: flex; justify-content: center; }

  /* Back to top */
  .back-to-top { bottom: 20px; right: 20px; width: 44px; height: 44px; }
}

@media (max-width: 480px) {
  .hero-title { font-size: 1.6rem; }
  .concept-card { padding: 28px 20px; }
  .contact-form { padding: 28px 16px; }
}