/* ============================================================
   牛術 黒帯 — Official Website Stylesheet
   Color: Rich Black #090909 / Gold #c9a84c / Ivory #f5f0e8
   Font : Noto Serif JP (serif) / Noto Sans JP (sans)
============================================================ */

/* ========== CSS VARIABLES ========== */
:root {
  --gold:        #c9a84c;
  --gold-light:  #e8c96a;
  --gold-dim:    rgba(201, 168, 76, 0.25);
  --black:       #090909;
  --black-2:     #111111;
  --black-3:     #1a1a1a;
  --ivory:       #f5f0e8;
  --ivory-dim:   rgba(245, 240, 232, 0.75);
  --ivory-faint: rgba(245, 240, 232, 0.12);
  --font-serif:  'Noto Serif JP', 'Georgia', serif;
  --font-sans:   'Noto Sans JP', sans-serif;
  --transition:  0.35s ease;
}

/* ========== RESET ========== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-serif);
  background: var(--black);
  color: var(--ivory);
  line-height: 1.8;
  overflow-x: hidden;
  transition: font-family 0.3s;
}
body.lang-zh { font-family: 'Noto Serif SC', 'Georgia', serif; }
body.lang-ko { font-family: 'Noto Serif KR', 'Georgia', serif; }
body.lang-en { font-family: 'Noto Serif JP', 'Georgia', serif; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }

/* ========== SCROLLBAR ========== */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--black); }
::-webkit-scrollbar-thumb { background: var(--gold); border-radius: 2px; }

/* ========== HEADER ========== */
#header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 22px 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background var(--transition), padding var(--transition),
              border-color var(--transition);
  border-bottom: 1px solid transparent;
}
#header.scrolled {
  background: rgba(9, 9, 9, 0.96);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  padding: 14px 56px;
  border-bottom-color: var(--gold-dim);
}

/* Logo */
.logo {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 500;
  letter-spacing: 0.25em;
  color: var(--gold);
  line-height: 1.2;
}
.logo-en {
  display: block;
  font-size: 0.55em;
  letter-spacing: 0.38em;
  color: var(--ivory-dim);
  font-weight: 300;
  font-family: var(--font-sans);
  margin-top: 3px;
}

/* Header Right */
.header-right {
  display: flex;
  align-items: center;
  gap: 32px;
}

/* Desktop Nav */
.nav-desktop {
  display: flex;
  align-items: center;
  gap: 40px;
}
.nav-desktop a {
  font-family: var(--font-serif);
  font-size: 0.7rem;
  font-weight: 300;
  letter-spacing: 0.24em;
  color: var(--ivory-dim);
  text-transform: uppercase;
  transition: color var(--transition);
}
.nav-desktop a:hover { color: var(--gold); }
.nav-desktop .nav-reserve {
  border: 1px solid var(--gold);
  padding: 8px 22px;
  color: var(--gold);
  transition: background var(--transition), color var(--transition);
}
.nav-desktop .nav-reserve:hover {
  background: var(--gold);
  color: var(--black);
}

/* Language Switcher - Desktop Dropdown */
.lang-dropdown {
  position: relative;
}
.lang-dropdown-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 6px 12px;
  font-family: var(--font-serif);
  font-size: 0.7rem;
  font-weight: 300;
  letter-spacing: 0.24em;
  color: var(--ivory-dim);
  background: transparent;
  border: none;
  cursor: pointer;
  transition: color var(--transition);
  text-transform: uppercase;
  text-align: center;
}
.lang-dropdown-btn:hover {
  color: var(--gold);
}
.lang-arrow {
  transition: transform var(--transition);
  color: currentColor;
}
.lang-dropdown-btn[aria-expanded="true"] .lang-arrow {
  transform: rotate(180deg);
}
.lang-dropdown-menu {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 8px;
  min-width: 120px;
  background: rgba(9, 9, 9, 0.98);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--gold-dim);
  border-radius: 3px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: opacity var(--transition), visibility var(--transition), transform var(--transition);
  z-index: 1001;
}
.lang-dropdown-menu.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.lang-dropdown-item {
  display: block;
  width: 100%;
  padding: 10px 16px;
  font-family: var(--font-serif);
  font-size: 0.7rem;
  font-weight: 300;
  letter-spacing: 0.1em;
  color: var(--ivory-dim);
  background: transparent;
  border: none;
  text-align: center;
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
}
.lang-dropdown-item:hover {
  background: rgba(201, 168, 76, 0.12);
  color: var(--gold);
}
.lang-dropdown-item.active {
  color: var(--gold);
  font-weight: 500;
}
.lang-dropdown-item:first-child {
  border-radius: 3px 3px 0 0;
}
.lang-dropdown-item:last-child {
  border-radius: 0 0 3px 3px;
}

/* Language Switcher - Mobile (keep existing) */
.lang-switcher {
  display: flex;
  gap: 4px;
  border: 1px solid var(--gold-dim);
  border-radius: 3px;
  overflow: hidden;
  background: rgba(9, 9, 9, 0.4);
}
.lang-btn {
  padding: 6px 12px;
  font-family: var(--font-serif);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  color: var(--ivory-dim);
  background: transparent;
  border: none;
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
  white-space: nowrap;
}
.lang-btn:hover {
  background: rgba(201, 168, 76, 0.12);
  color: var(--gold);
}
.lang-btn.active {
  background: var(--gold);
  color: var(--black);
  font-weight: 500;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 6px;
  background: none;
  border: none;
}
.hamburger span {
  display: block;
  width: 26px;
  height: 1px;
  background: var(--ivory);
  transition: all 0.3s;
}
.hamburger.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* Mobile Nav Overlay */
.nav-mobile {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(9, 9, 9, 0.98);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 44px;
  z-index: 999;
}
.nav-mobile.open { display: flex; }
.nav-mobile a {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  letter-spacing: 0.28em;
  color: var(--ivory);
  text-transform: uppercase;
  transition: color var(--transition);
}
.nav-mobile a:hover { color: var(--gold); }
.mobile-lang-switcher {
  display: flex;
  gap: 12px;
  margin-top: 24px;
}
.mobile-lang-switcher .lang-btn {
  padding: 10px 20px;
  border: 1px solid var(--gold-dim);
  font-size: 0.75rem;
}

/* ========== HERO ========== */
#hero {
  position: relative;
  height: 100vh;
  min-height: 640px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  transform: scale(1.06);
  transition: transform 9s ease-out;
  will-change: transform;
  overflow: hidden;
}
.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
}
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(9,9,9,0.25) 0%,
    rgba(9,9,9,0.50) 45%,
    rgba(9,9,9,0.88) 100%
  );
}
.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 0 28px;
}
.hero-eyebrow {
  font-family: var(--font-sans);
  font-size: 0.66rem;
  letter-spacing: 0.45em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 30px;
  opacity: 0;
  animation: fadeUp 1s 0.3s forwards;
}
.hero-title {
  font-size: clamp(2rem, 4.8vw, 3.8rem);
  font-weight: 300;
  line-height: 1.65;
  letter-spacing: 0.08em;
  opacity: 0;
  animation: fadeUp 1s 0.75s forwards;
}
.hero-title em {
  display: block;
  color: var(--gold);
  font-style: normal;
}
.hero-sub {
  margin-top: 22px;
  font-size: clamp(0.8rem, 1.8vw, 1rem);
  font-weight: 300;
  letter-spacing: 0.2em;
  color: var(--ivory-dim);
  opacity: 0;
  animation: fadeUp 1s 1.2s forwards;
}
.hero-line {
  width: 1px;
  height: 64px;
  background: var(--gold-dim);
  margin: 36px auto;
  opacity: 0;
  animation: fadeIn 1s 1.6s forwards;
}
.hero-scroll {
  position: absolute;
  bottom: 38px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-sans);
  font-size: 0.58rem;
  letter-spacing: 0.45em;
  color: var(--ivory-dim);
  text-transform: uppercase;
  z-index: 1;
  opacity: 0;
  animation: fadeIn 1s 2.4s forwards;
}
.hero-scroll::after {
  content: '';
  display: block;
  width: 1px;
  height: 44px;
  background: var(--gold-dim);
  margin: 12px auto 0;
  animation: scrollPulse 2.2s 3s infinite;
}

/* ========== COMMON BUTTONS ========== */
.btn-outline {
  display: inline-block;
  padding: 16px 52px;
  border: 1px solid var(--gold);
  color: var(--gold);
  font-family: var(--font-sans);
  font-size: 0.75rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  transition: background var(--transition), color var(--transition),
              transform 0.2s;
  opacity: 0;
  animation: fadeUp 1s 1.9s forwards;
}
.btn-outline:hover {
  background: var(--gold);
  color: var(--black);
  transform: translateY(-2px);
}
.btn-solid {
  display: inline-block;
  padding: 20px 68px;
  background: var(--gold);
  color: var(--black);
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  transition: background var(--transition), transform 0.2s;
}
.btn-solid:hover {
  background: var(--gold-light);
  transform: translateY(-2px);
}

/* ========== SECTION BASE ========== */
section { padding: 128px 56px; }
.section-label {
  font-family: var(--font-sans);
  font-size: 0.64rem;
  letter-spacing: 0.48em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 18px;
}
.section-title {
  font-size: clamp(1.7rem, 3.6vw, 2.9rem);
  font-weight: 300;
  letter-spacing: 0.12em;
  line-height: 1.55;
  margin-bottom: 44px;
}
.section-title em { color: var(--gold); font-style: normal; }
.inner { max-width: 1120px; margin: 0 auto; }

/* Gold divider */
.gold-divider {
  display: flex;
  align-items: center;
  gap: 18px;
  margin: 0 auto 56px;
  max-width: 260px;
}
.gold-divider::before,
.gold-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--gold-dim);
}
.gold-divider span {
  color: var(--gold);
  font-family: var(--font-sans);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  white-space: nowrap;
}

/* ========== STORY ========== */
#story { background: var(--black-2); }
.story-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 88px;
  align-items: center;
}
.story-text p {
  font-size: 0.97rem;
  font-weight: 300;
  line-height: 2.3;
  color: var(--ivory-dim);
  margin-bottom: 22px;
}
.story-text p:last-child { margin-bottom: 0; }
.story-image-wrap {
  position: relative;
}
.story-image-wrap img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border: 1px solid var(--gold-dim);
  display: block;
}

/* ========== MENU ========== */
#menu { background: var(--black); }
.menu-heading { text-align: center; margin-bottom: 76px; }

/* 3-column cards */
.menu-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-bottom: 72px;
}
.menu-card {
  border: 1px solid var(--gold-dim);
  overflow: hidden;
  transition: border-color var(--transition), transform var(--transition);
}
.menu-card:hover {
  border-color: var(--gold);
  transform: translateY(-7px);
}
.menu-card-thumb {
  aspect-ratio: 4 / 3;
  overflow: hidden;
}
.menu-card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.65s ease;
}
.menu-card:hover .menu-card-thumb img { transform: scale(1.07); }
.menu-card-body { padding: 26px; }
.menu-card-label {
  font-family: var(--font-sans);
  font-size: 0.6rem;
  letter-spacing: 0.38em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 10px;
}
.menu-card-name {
  font-size: 1.05rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  margin-bottom: 10px;
}
.menu-card-desc {
  font-size: 0.82rem;
  font-weight: 300;
  color: var(--ivory-dim);
  line-height: 1.95;
}

/* Course block */
.course-block {
  display: grid;
  grid-template-columns: 1fr 1.45fr;
  border: 1px solid var(--gold-dim);
  overflow: hidden;
}
.course-thumb { overflow: hidden; }
.course-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 1;
}
.course-body { padding: 52px; }
.course-badge {
  display: inline-block;
  border: 1px solid var(--gold);
  padding: 4px 16px;
  font-family: var(--font-sans);
  font-size: 0.62rem;
  letter-spacing: 0.35em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 22px;
}
.course-name {
  font-size: 1.35rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  margin-bottom: 18px;
}
.course-desc {
  font-size: 0.88rem;
  font-weight: 300;
  color: var(--ivory-dim);
  line-height: 2.1;
  margin-bottom: 32px;
}
.course-price {
  font-size: 1.1rem;
  color: var(--gold);
  letter-spacing: 0.08em;
}
.course-price small {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  color: var(--ivory-dim);
  margin-left: 8px;
}

/* ========== SPACE ========== */
#space { background: var(--black-2); }
.space-heading { text-align: center; margin-bottom: 68px; }

/* Mosaic gallery */
.space-gallery {
  display: grid;
  grid-template-columns: 1.55fr 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 14px;
  margin-bottom: 64px;
  height: 480px;
}
.space-gallery-item { overflow: hidden; }
.space-gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.55s ease;
}
.space-gallery-item:hover img { transform: scale(1.05); }
.space-gallery-item:first-child { grid-row: 1 / 3; }

/* Features row */
.space-features {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.space-feature {
  border: 1px solid var(--gold-dim);
  padding: 30px 22px;
  text-align: center;
  transition: border-color var(--transition);
}
.space-feature:hover { border-color: var(--gold); }
.space-feature-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 14px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.space-feature-icon svg {
  width: 100%;
  height: 100%;
  transition: transform 0.3s ease;
}
.space-feature:hover .space-feature-icon svg {
  transform: scale(1.1);
}
.space-feature-name {
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--gold);
  margin-bottom: 8px;
}
.space-feature-desc {
  font-size: 0.75rem;
  font-weight: 300;
  color: var(--ivory-dim);
  line-height: 1.85;
}

/* ========== ACCESS ========== */
#access { background: var(--black); }
.access-grid {
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: 72px;
  align-items: start;
}
.access-table { width: 100%; border-collapse: collapse; }
.access-table tr { border-bottom: 1px solid rgba(201,168,76,0.13); }
.access-table th {
  padding: 18px 0;
  font-family: var(--font-sans);
  font-size: 0.66rem;
  letter-spacing: 0.24em;
  color: var(--gold);
  font-weight: 400;
  width: 28%;
  text-align: left;
  vertical-align: top;
  text-transform: uppercase;
}
.access-table td {
  padding: 18px 0 18px 18px;
  font-size: 0.88rem;
  font-weight: 300;
  color: var(--ivory-dim);
  line-height: 1.95;
}
.access-table a { color: var(--gold); transition: opacity var(--transition); }
.access-table a:hover { opacity: 0.75; }
.access-table .access-note {
  font-size: 0.75em;
  color: rgba(245, 240, 232, 0.6);
  display: block;
  margin-top: 4px;
}
.access-map iframe {
  width: 100%;
  height: 400px;
  border: none;
  border: 1px solid var(--gold-dim);
  filter: grayscale(75%) invert(92%) contrast(88%);
  display: block;
}

/* ========== RESERVATION ========== */
#reservation {
  background: var(--black-2);
  text-align: center;
}
.reservation-inner { max-width: 720px; margin: 0 auto; }
.reservation-inner .lead {
  font-size: 0.94rem;
  font-weight: 300;
  color: var(--ivory-dim);
  line-height: 2.3;
  margin-bottom: 52px;
}
.platform-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
  margin-top: 44px;
}
.platform-link {
  border: 1px solid var(--gold-dim);
  padding: 11px 26px;
  font-family: var(--font-sans);
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  color: var(--ivory-dim);
  transition: border-color var(--transition), color var(--transition);
}
.platform-link:hover { border-color: var(--gold); color: var(--gold); }

/* ========== FOOTER ========== */
footer {
  background: var(--black);
  padding: 72px 56px 44px;
  text-align: center;
  border-top: 1px solid var(--gold-dim);
}
.footer-logo {
  font-size: 1.55rem;
  font-weight: 300;
  letter-spacing: 0.32em;
  color: var(--gold);
  margin-bottom: 6px;
}
.footer-sub {
  font-family: var(--font-sans);
  font-size: 0.62rem;
  letter-spacing: 0.42em;
  color: var(--ivory-dim);
  text-transform: uppercase;
  margin-bottom: 36px;
}
.footer-sns {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 44px;
}
.footer-sns a {
  font-family: var(--font-sans);
  font-size: 0.68rem;
  letter-spacing: 0.25em;
  color: var(--ivory-dim);
  border: 1px solid var(--gold-dim);
  padding: 9px 22px;
  transition: color var(--transition), border-color var(--transition);
}
.footer-sns a:hover { color: var(--gold); border-color: var(--gold); }
.footer-nav {
  display: flex;
  gap: 32px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 32px;
}
.footer-nav a {
  font-family: var(--font-sans);
  font-size: 0.62rem;
  letter-spacing: 0.25em;
  color: var(--ivory-dim);
  transition: color var(--transition);
}
.footer-nav a:hover { color: var(--gold); }
.footer-copy {
  font-family: var(--font-sans);
  font-size: 0.6rem;
  color: rgba(245,240,232,0.28);
  letter-spacing: 0.16em;
}

/* ========== UTILITY ========== */
.text-center { text-align: center; }
.sp-only { display: none; }
@media (max-width: 900px) { .sp-only { display: block; } }

/* ========== GHOST BUTTONS ========== */
.btn-ghost-gold {
  display: inline-block;
  margin-top: 28px;
  padding: 13px 36px;
  border: 1px solid var(--gold-dim);
  font-family: var(--font-sans);
  font-size: 0.68rem;
  letter-spacing: 0.3em;
  color: var(--gold);
  text-transform: uppercase;
  transition: border-color 0.35s, background 0.35s, color 0.35s;
}
.btn-ghost-gold:hover {
  border-color: var(--gold);
  background: rgba(201,168,76,0.08);
}
.btn-ghost-ivory {
  display: inline-block;
  padding: 16px 52px;
  border: 1px solid var(--gold-dim);
  font-family: var(--font-sans);
  font-size: 0.72rem;
  letter-spacing: 0.34em;
  color: var(--ivory-dim);
  text-transform: uppercase;
  transition: all 0.35s;
}
.btn-ghost-ivory:hover {
  border-color: var(--gold);
  color: var(--gold);
}
.menu-cta-wrap { text-align: center; margin-top: 56px; }
.gold-divider--reserve { margin-top: 52px; }

/* ========== SCROLL REVEAL ========== */
.reveal {
  opacity: 0;
  transform: translateY(44px);
  transition: opacity 0.85s ease, transform 0.85s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.15s; }
.reveal-delay-2 { transition-delay: 0.30s; }
.reveal-delay-3 { transition-delay: 0.45s; }

/* ========== KEYFRAME ANIMATIONS ========== */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes scrollPulse {
  0%   { transform: scaleY(0); transform-origin: top;    opacity: 1; }
  50%  { transform: scaleY(1); transform-origin: top; }
  51%  { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; opacity: 0.2; }
}

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
  section { padding: 96px 40px; }
  #header,
  #header.scrolled { padding-left: 32px; padding-right: 32px; }
  .story-grid { gap: 52px; }
  .menu-cards { gap: 22px; }
}

@media (max-width: 900px) {
  section { padding: 80px 24px; }
  #header { padding: 18px 24px; }
  #header.scrolled { padding: 14px 24px; }

  .nav-desktop { display: none; }
  .lang-dropdown { display: none; }
  .lang-switcher { display: none; }
  .hamburger   { display: flex; }

  .story-grid { grid-template-columns: 1fr; gap: 48px; }
  .story-image-wrap::before { display: none; }

  .menu-cards { grid-template-columns: 1fr; }
  .course-block { grid-template-columns: 1fr; }
  .course-thumb img { aspect-ratio: 16 / 9; }

  .space-gallery {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto;
    height: auto;
  }
  .space-gallery-item:first-child { grid-row: auto; }
  .space-gallery-item img { aspect-ratio: 4/3; height: auto; }

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

  .access-grid { grid-template-columns: 1fr; gap: 44px; }
  .access-map iframe { height: 300px; }
}

@media (max-width: 600px) {
  .space-gallery { grid-template-columns: 1fr; }
  .space-features { grid-template-columns: 1fr 1fr; }
  .btn-solid { padding: 16px 40px; }
  footer { padding: 56px 24px 36px; }
}

/* ========== MOBILE PREMIUM IMPROVEMENTS ========== */
@media (max-width: 900px) {

  /* ----- HERO ----- */
  #hero {
    padding-left: 0;
    padding-right: 0;
  }
  .hero-content {
    padding: 0 18px;
    text-align: left;
    width: 100%;
    box-sizing: border-box;
  }
  .hero-title {
    font-size: clamp(1.4rem, 7vw, 2.6rem);
    line-height: 1.6;
    letter-spacing: 0.02em;
    width: 100%;
  }
  .hero-eyebrow { text-align: left; }
  .hero-sub { text-align: left; }
  .hero-cta-wrap { text-align: left; }
  .hero-eyebrow {
    font-size: 0.6rem;
    letter-spacing: 0.28em;
    margin-bottom: 20px;
  }
  .hero-sub {
    font-size: 0.78rem;
    letter-spacing: 0.12em;
  }
  .hero-line { height: 40px; margin: 24px auto; }
  .btn-outline {
    padding: 15px 36px;
    font-size: 0.72rem;
    letter-spacing: 0.22em;
  }

  /* ----- SECTION ----- */
  section { padding: 72px 20px; }
  .section-title {
    font-size: clamp(1.5rem, 6.5vw, 2.2rem);
    letter-spacing: 0.06em;
    margin-bottom: 32px;
  }

  /* ----- STORY ----- */
  .story-text p { font-size: 0.9rem; line-height: 2.1; }

  /* ----- MENU CARDS ----- */
  .menu-card-body { padding: 20px; }
  .menu-card-desc { font-size: 0.8rem; }
  .course-body { padding: 28px 20px; }
  .course-name { font-size: 1.1rem; }
  .course-desc { font-size: 0.84rem; }

  /* ----- SPACE FEATURES ----- */
  .space-feature { padding: 24px 16px; }
  .space-feature-desc { font-size: 0.72rem; }

  /* ----- ACCESS TABLE — スタック表示 ----- */
  .access-table { display: block; }
  .access-table tbody { display: block; }
  .access-table tr {
    display: block;
    padding: 16px 0;
    border-bottom: 1px solid rgba(201,168,76,0.13);
  }
  .access-table tr:first-child { border-top: 1px solid rgba(201,168,76,0.13); }
  .access-table th {
    display: block;
    width: 100%;
    padding: 0 0 6px 0;
    font-size: 0.6rem;
    letter-spacing: 0.3em;
  }
  .access-table td {
    display: block;
    width: 100%;
    padding: 0;
    font-size: 0.86rem;
    line-height: 1.8;
  }
  .access-map iframe { height: 260px; }

  /* ----- RESERVATION ----- */
  .reservation-inner .lead { font-size: 0.88rem; line-height: 2.1; }
  .btn-solid { font-size: 0.75rem; letter-spacing: 0.22em; }

  /* ----- FOOTER ----- */
  .footer-logo { font-size: 1.2rem; }
  .footer-sns a { padding: 10px 16px; font-size: 0.65rem; }
  /* 固定予約バー分の余白 */
  body { padding-bottom: 60px; }
}

/* ========== STICKY RESERVATION BAR (mobile) ========== */
.sticky-reserve {
  display: none;
}
@media (max-width: 900px) {
  .sticky-reserve {
    display: flex;
    position: fixed;
    bottom: 0; left: 0; right: 0;
    z-index: 800;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    height: 58px;
    background: var(--gold);
    color: var(--black);
    font-family: var(--font-sans);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-decoration: none;
    /* 上端に薄いボーダー */
    border-top: 1px solid var(--gold-light);
    box-shadow: 0 -4px 24px rgba(0,0,0,0.4);
    transition: background 0.2s;
  }
  .sticky-reserve:active { background: var(--gold-light); }
  .sticky-reserve__label { flex: 1; text-align: center; }
  .sticky-reserve__icon {
    width: 18px; height: 18px;
    opacity: 0.7;
    flex-shrink: 0;
  }
  /* 予約セクション付近では非表示にしてボタンとかぶらせない */
  .sticky-reserve.hidden { transform: translateY(100%); }
}