/* =============================================
   Root Variables
   ============================================= */
:root {
  --color-bg: #F7F5F0;
  --color-bg-section: #EFECE4;
  --color-bg-card: #F2EFE8;
  --color-text: #1C1C1A;
  --color-accent: #7C6A52;
  --color-subtle: #6B5F4F;
  --color-border: #D8D2C6;
  --color-today: #7C6A52;
  --color-holiday: #C9B8A0;

  --font-serif: 'Noto Serif JP', 'Times New Roman', serif;
  --font-sans: 'Noto Sans JP', sans-serif;
  --font-latin: 'Cormorant Garamond', Georgia, serif;

  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 8rem;

  --max-width: 960px;
  --transition: 0.3s ease;
}

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

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

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-weight: 300;
  line-height: 1.9;
  letter-spacing: 0.04em;
  -webkit-font-smoothing: antialiased;
}

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

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

/* =============================================
   Utility
   ============================================= */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.section-label {
  font-family: var(--font-latin);
  font-style: italic;
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: var(--color-subtle);
  text-transform: uppercase;
  display: block;
  margin-bottom: var(--spacing-sm);
}

.divider {
  width: 40px;
  height: 1px;
  background: var(--color-border);
  margin: var(--spacing-md) 0;
}

/* Fade-in animation */
.fade-in {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* =============================================
   Header / Navigation
   ============================================= */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background-color: rgba(247, 245, 240, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.site-title {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.site-title-ja {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  color: var(--color-text);
}

.site-title-en {
  font-family: var(--font-latin);
  font-style: italic;
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  color: var(--color-subtle);
  text-transform: uppercase;
}

nav ul {
  list-style: none;
  display: flex;
  gap: var(--spacing-md);
}

nav a {
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  color: var(--color-subtle);
  transition: color var(--transition);
  position: relative;
}

nav a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-accent);
  transition: width var(--transition);
}

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

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

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 22px;
  height: 1px;
  background: var(--color-text);
  transition: var(--transition);
}

.mobile-nav {
  display: none;
}

/* =============================================
   Hero
   ============================================= */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(
    160deg,
    #F7F5F0 0%,
    #EFECE4 40%,
    #E8E3D8 100%
  );
  position: relative;
  overflow: hidden;
  padding-top: 64px;
}

#hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 50%, rgba(124,106,82,0.06) 0%, transparent 60%),
    radial-gradient(circle at 80% 20%, rgba(124,106,82,0.04) 0%, transparent 50%);
}

.hero-content {
  text-align: center;
  position: relative;
  z-index: 1;
  padding: var(--spacing-xl) var(--spacing-md);
}

.hero-badge {
  display: inline-block;
  padding: 0.5rem 1.3rem;
  margin-bottom: var(--spacing-md);
  background-color: rgba(255, 255, 255, 0.5);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  font-family: var(--font-latin);
  font-size: 0.78rem;
  letter-spacing: 0.25em;
  color: var(--color-accent);
}

.hero-kamon {
  font-size: 2rem;
  color: var(--color-border);
  margin-bottom: var(--spacing-md);
  letter-spacing: 0.3em;
}

.hero-title-en {
  font-family: var(--font-latin);
  font-style: italic;
  font-size: 0.85rem;
  letter-spacing: 0.3em;
  color: var(--color-subtle);
  text-transform: uppercase;
  display: block;
  margin-bottom: var(--spacing-sm);
}

.hero-title-ja {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 300;
  letter-spacing: 0.2em;
  line-height: 1.4;
  color: var(--color-text);
  margin-bottom: var(--spacing-md);
}

.hero-catch {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 300;
  letter-spacing: 0.15em;
  color: var(--color-subtle);
  margin-bottom: var(--spacing-lg);
}

/* Hero CTA (LINE予約ボタン) */
.cta-button {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  padding: 18px 40px;
  background: var(--color-text);
  color: var(--color-bg);
  border: 1px solid var(--color-text);
  margin-bottom: var(--spacing-lg);
  transition: all var(--transition);
  position: relative;
}

.cta-button::before {
  content: '';
  position: absolute;
  inset: 4px;
  border: 1px solid rgba(247, 245, 240, 0.3);
  pointer-events: none;
  transition: inset var(--transition);
}

.cta-button:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
}

.cta-button:hover::before {
  inset: 6px;
}

.cta-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-bg);
}

.cta-label {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
  text-align: left;
}

.cta-sub {
  font-family: var(--font-latin);
  font-style: italic;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: rgba(247, 245, 240, 0.7);
}

.cta-main {
  font-family: var(--font-serif);
  font-size: 1rem;
  letter-spacing: 0.15em;
  font-weight: 400;
}

.hero-scroll {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-family: var(--font-latin);
  font-style: italic;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--color-border);
  cursor: pointer;
  animation: float 2.5s ease-in-out infinite;
}

.hero-scroll::after {
  content: '';
  display: block;
  width: 1px;
  height: 40px;
  background: var(--color-border);
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(6px); }
}

/* =============================================
   Atmosphere Section
   ============================================= */
#atmosphere {
  padding: var(--spacing-xl) 0;
  background: var(--color-bg);
}

.section-header {
  margin-bottom: var(--spacing-lg);
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 300;
  letter-spacing: 0.15em;
  color: var(--color-text);
}

.concept-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
}

.concept-card {
  padding: var(--spacing-lg) var(--spacing-md);
  border: 1px solid var(--color-border);
  background: var(--color-bg-card);
  position: relative;
}

.concept-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 2px;
  height: 0;
  background: var(--color-accent);
  transition: height 0.4s ease;
}

.concept-card:hover::before {
  height: 100%;
}

.concept-number {
  font-family: var(--font-latin);
  font-style: italic;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--color-border);
  display: block;
  margin-bottom: var(--spacing-md);
}

.concept-card h3 {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  color: var(--color-text);
  margin-bottom: var(--spacing-sm);
}

.concept-card p {
  font-size: 0.85rem;
  line-height: 2;
  color: var(--color-subtle);
}

/* =============================================
   Calendar Section
   ============================================= */
#calendar {
  padding: var(--spacing-xl) 0;
  background: var(--color-bg-section);
}

/* 営業時間バナー */
.hours-banner {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: var(--spacing-md);
  border: 1px solid var(--color-border);
  background: var(--color-bg-card);
  margin-bottom: var(--spacing-md);
}

.hours-banner-label {
  font-family: var(--font-latin);
  font-style: italic;
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  color: var(--color-subtle);
  text-transform: uppercase;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 10px;
}

.hours-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 0;
  padding: 0;
}

.hours-row {
  display: grid;
  grid-template-columns: 120px 1fr;
  align-items: baseline;
  gap: var(--spacing-md);
}

.hours-row dt {
  font-family: var(--font-serif);
  font-size: 0.9rem;
  letter-spacing: 0.2em;
  color: var(--color-subtle);
  font-weight: 400;
}

.hours-row dd {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  letter-spacing: 0.1em;
  color: var(--color-text);
  margin: 0;
}

.hours-banner-note {
  font-size: 0.75rem;
  color: var(--color-subtle);
  letter-spacing: 0.08em;
  border-top: 1px solid var(--color-border);
  padding-top: 10px;
}

.hours-sub {
  display: inline-block;
  margin-top: 6px;
  font-size: 0.75rem;
  color: var(--color-subtle);
  letter-spacing: 0.05em;
}

/* カレンダー凡例 */
.calendar-legend {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  margin-top: var(--spacing-sm);
  padding: 0;
  font-size: 0.75rem;
  color: var(--color-subtle);
  letter-spacing: 0.08em;
}

.calendar-legend li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.legend-swatch {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 1px solid var(--color-border);
}

.legend-open { background: var(--color-bg); }
.legend-closed {
  background: repeating-linear-gradient(
    -45deg,
    transparent,
    transparent 3px,
    rgba(160, 152, 130, 0.5) 3px,
    rgba(160, 152, 130, 0.5) 4px
  );
}
.legend-special {
  background: var(--color-bg);
  position: relative;
}
.legend-special::after {
  content: '';
  position: absolute;
  left: 2px;
  right: 2px;
  bottom: 2px;
  height: 2px;
  background: var(--color-accent);
}

.calendar-nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.calendar-month-label {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 300;
  letter-spacing: 0.1em;
  color: var(--color-text);
  min-width: 180px;
}

.calendar-btn {
  background: none;
  border: 1px solid var(--color-border);
  cursor: pointer;
  color: var(--color-subtle);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  padding: 6px 14px;
  transition: all var(--transition);
  font-family: var(--font-latin);
  font-style: italic;
}

.calendar-btn:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.calendar-table {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
}

.calendar-table th {
  font-family: var(--font-latin);
  font-style: italic;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--color-subtle);
  padding: var(--spacing-sm) 0;
  text-align: center;
  border-bottom: 1px solid var(--color-border);
  font-weight: 400;
}

.calendar-table td {
  text-align: center;
  vertical-align: top;
  padding: 10px 4px;
  border-bottom: 1px solid var(--color-border);
  min-height: 72px;
  font-size: 0.9rem;
  color: var(--color-text);
  cursor: default;
  transition: background var(--transition);
}

.calendar-table td.clickable {
  cursor: pointer;
}

.calendar-table td.clickable:hover:not(.empty):not(.closed) {
  background: var(--color-bg-card);
}

.calendar-table td.selected {
  background: var(--color-bg-card);
  box-shadow: inset 0 0 0 2px var(--color-accent);
}

.calendar-table td.selected .day-num {
  color: var(--color-accent);
  font-weight: 500;
}

.calendar-table td.empty {
  background: transparent;
  cursor: default;
}

/* 日曜・祝日（営業の可能性あり・色だけ薄く） */
.calendar-table td.is-sunday {
  color: #C9A49A;
}

/* 土曜 */
.calendar-table td.is-saturday {
  color: #8FA0AE;
}

/* 休診日 */
.calendar-table td.closed {
  color: var(--color-holiday);
  background: repeating-linear-gradient(
    -45deg,
    transparent,
    transparent 6px,
    rgba(160, 152, 130, 0.08) 6px,
    rgba(160, 152, 130, 0.08) 7px
  );
}

.event-label.closed-label {
  color: var(--color-holiday);
  letter-spacing: 0.1em;
}

.calendar-table td.today .day-num {
  display: inline-block;
  width: 28px;
  height: 28px;
  line-height: 28px;
  background: var(--color-today);
  color: #fff;
  border-radius: 50%;
  font-weight: 500;
}

.day-num {
  display: inline-block;
  width: 28px;
  height: 28px;
  line-height: 28px;
}

.event-label {
  display: block;
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  margin-top: 3px;
  line-height: 1.4;
}

.calendar-note {
  margin-top: var(--spacing-md);
  font-size: 0.8rem;
  color: var(--color-subtle);
  letter-spacing: 0.08em;
}

/* =============================================================
   Slot Panel (予約枠)
   ============================================================= */
.slot-panel {
  margin-top: var(--spacing-lg);
  padding: var(--spacing-md);
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  min-height: 200px;
}

.slot-placeholder {
  text-align: center;
  padding: var(--spacing-lg) 0;
  color: var(--color-subtle);
}

.slot-placeholder-icon {
  display: block;
  font-size: 2rem;
  color: var(--color-border);
  margin-bottom: var(--spacing-sm);
  letter-spacing: 0.2em;
}

.slot-placeholder p {
  font-size: 0.9rem;
  letter-spacing: 0.1em;
}

.slot-panel-header {
  display: flex;
  align-items: baseline;
  gap: 6px;
  padding-bottom: var(--spacing-sm);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--spacing-md);
}

.slot-date-num {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  letter-spacing: 0.1em;
  color: var(--color-text);
}

.slot-date-weekday {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  color: var(--color-subtle);
  letter-spacing: 0.1em;
}

.slot-closed-message {
  text-align: center;
  padding: var(--spacing-lg) 0;
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--color-accent);
  letter-spacing: 0.15em;
}

.slot-type-toggle {
  display: flex;
  gap: 8px;
  margin-bottom: var(--spacing-sm);
  flex-wrap: wrap;
}

.slot-type-btn {
  flex: 1 1 120px;
  padding: 10px 16px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  color: var(--color-subtle);
  font-family: var(--font-serif);
  font-size: 0.9rem;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: all var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.slot-type-btn:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.slot-type-btn.active {
  background: var(--color-text);
  color: var(--color-bg);
  border-color: var(--color-text);
}

.slot-type-dur {
  font-family: var(--font-latin);
  font-style: italic;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  opacity: 0.7;
}

.slot-hours-info {
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: var(--color-subtle);
  margin-bottom: var(--spacing-sm);
  padding-bottom: 8px;
}

.slot-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 8px;
  margin-top: 8px;
}

.slot-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 12px 10px;
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  text-align: center;
  transition: all var(--transition);
  gap: 4px;
}

.slot-card.available {
  cursor: pointer;
  color: var(--color-text);
}

.slot-card.available:hover {
  border-color: var(--color-accent);
  background: var(--color-accent);
  color: var(--color-bg);
}

.slot-card.available:hover .slot-status {
  color: rgba(247, 245, 240, 0.7);
}

.slot-card.booked {
  background: repeating-linear-gradient(
    -45deg,
    var(--color-bg),
    var(--color-bg) 4px,
    rgba(160, 152, 130, 0.15) 4px,
    rgba(160, 152, 130, 0.15) 5px
  );
  color: var(--color-border);
  cursor: not-allowed;
}

.slot-card.booked .slot-time {
  text-decoration: line-through;
  text-decoration-color: var(--color-border);
}

.slot-time {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  letter-spacing: 0.08em;
}

.slot-status {
  font-family: var(--font-latin);
  font-style: italic;
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  color: var(--color-subtle);
}

.slot-card.booked .slot-status {
  color: var(--color-border);
}

.slot-no-slots {
  text-align: center;
  padding: var(--spacing-md) 0;
  color: var(--color-subtle);
  font-size: 0.9rem;
  letter-spacing: 0.1em;
}

.slot-note {
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-sm);
  border-top: 1px solid var(--color-border);
  font-size: 0.75rem;
  color: var(--color-subtle);
  letter-spacing: 0.08em;
  line-height: 1.9;
}

/* =============================================
   Access Section
   ============================================= */
#access {
  padding: var(--spacing-xl) 0;
  background: var(--color-bg);
}

.access-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  align-items: start;
}

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

.access-table tr {
  border-bottom: 1px solid var(--color-border);
}

.access-table th,
.access-table td {
  padding: var(--spacing-sm) 0;
  font-size: 0.85rem;
  text-align: left;
  vertical-align: top;
}

.access-table th {
  font-weight: 400;
  color: var(--color-subtle);
  white-space: nowrap;
  width: 80px;
  letter-spacing: 0.08em;
}

.access-table td {
  color: var(--color-text);
  letter-spacing: 0.05em;
  line-height: 1.8;
}

.map-placeholder {
  aspect-ratio: 4 / 3;
  background: var(--color-bg-section);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: var(--spacing-sm);
  color: var(--color-subtle);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  overflow: hidden;
}

.map-placeholder iframe {
  width: 100%;
  height: 100%;
  border: none;
  display: block;
}

/* =============================================
   Footer
   ============================================= */
footer {
  padding: var(--spacing-lg) 0;
  border-top: 1px solid var(--color-border);
  background: var(--color-bg);
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-title {
  font-family: var(--font-serif);
  font-size: 0.9rem;
  font-weight: 300;
  letter-spacing: 0.12em;
}

.footer-copy {
  font-family: var(--font-latin);
  font-style: italic;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--color-subtle);
}

/* Social links */
.social-links {
  list-style: none;
  display: flex;
  gap: var(--spacing-md);
  padding: 0;
  margin: 0;
}

.social-links a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-latin);
  font-style: italic;
  font-size: 0.78rem;
  letter-spacing: 0.15em;
  color: var(--color-subtle);
  transition: color var(--transition);
}

.social-links a:hover {
  color: var(--color-accent);
}

.social-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  transition: border-color var(--transition);
}

.social-links a:hover .social-icon {
  border-color: var(--color-accent);
}

/* Inline text links */
.inline-link {
  color: var(--color-accent);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition);
}

.inline-link:hover {
  border-bottom-color: var(--color-accent);
}

.link-sep {
  color: var(--color-border);
  margin: 0 6px;
}

/* =============================================
   Responsive (768px)
   ============================================= */
@media (max-width: 768px) {
  :root {
    --spacing-lg: 3rem;
    --spacing-xl: 5rem;
  }

  .hamburger {
    display: flex;
  }

  nav ul {
    display: none;
  }

  .mobile-nav {
    display: none;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    padding: var(--spacing-md);
    z-index: 99;
  }

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

  .mobile-nav ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
  }

  .mobile-nav a {
    font-size: 1rem;
    letter-spacing: 0.1em;
    color: var(--color-text);
  }

  .concept-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
  }

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

  .footer-inner {
    flex-direction: column;
    gap: var(--spacing-sm);
    text-align: center;
  }

  .calendar-month-label {
    font-size: 1.1rem;
  }
}

/* =============================================================
   Booking modal
   ============================================================= */
.booking-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.22s ease;
}
.booking-modal[hidden] { display: none; }
.booking-modal.open {
  opacity: 1;
  pointer-events: auto;
}

.booking-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(28, 28, 26, 0.55);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
}

.booking-modal-dialog {
  position: relative;
  width: 100%;
  max-width: 480px;
  max-height: calc(100vh - 2.5rem);
  overflow-y: auto;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  padding: 2rem 1.75rem 1.75rem;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.18);
  animation: modalIn 0.24s ease;
}

@keyframes modalIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.booking-modal-close {
  position: absolute;
  top: 0.55rem;
  right: 0.75rem;
  background: transparent;
  border: none;
  font-size: 1.6rem;
  line-height: 1;
  color: var(--color-subtle);
  cursor: pointer;
  padding: 0.25rem 0.5rem;
}
.booking-modal-close:hover { color: var(--color-text); }

.booking-modal-title {
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: 1.15rem;
  letter-spacing: 0.12em;
  margin: 0 0 1.1rem;
  text-align: center;
  color: var(--color-text);
}

.booking-modal-summary {
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: 0.9rem 0.2rem;
  margin-bottom: 1.1rem;
}

.booking-summary-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  padding: 0.3rem 0;
  font-size: 0.9rem;
}
.booking-summary-row span {
  color: var(--color-subtle);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
}
.booking-summary-row strong {
  font-weight: 400;
  color: var(--color-text);
  font-family: var(--font-serif);
}

.booking-modal-note {
  font-size: 0.78rem;
  line-height: 1.7;
  color: var(--color-subtle);
  margin: 0 0 0.75rem;
}

.booking-modal-preview {
  background: var(--color-bg-section);
  border: 1px solid var(--color-border);
  padding: 0.9rem 1rem;
  font-size: 0.82rem;
  line-height: 1.7;
  white-space: pre-wrap;
  word-break: break-word;
  font-family: var(--font-sans);
  color: var(--color-text);
  margin: 0 0 1.2rem;
  max-height: 180px;
  overflow-y: auto;
}

.booking-modal-actions {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.booking-modal-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1rem;
  font-size: 0.88rem;
  letter-spacing: 0.1em;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid var(--color-accent);
  transition: background 0.2s ease, color 0.2s ease;
  font-family: var(--font-sans);
}
.booking-modal-btn.primary {
  background: var(--color-accent);
  color: var(--color-bg);
}
.booking-modal-btn.primary:hover {
  background: var(--color-text);
  border-color: var(--color-text);
}
.booking-modal-btn.secondary {
  background: transparent;
  color: var(--color-accent);
}
.booking-modal-btn.secondary:hover {
  background: var(--color-bg-section);
}
.booking-modal-btn.secondary.copied {
  color: var(--color-text);
  border-color: var(--color-text);
}

.booking-modal-foot-note {
  margin: 1rem 0 0;
  font-size: 0.72rem;
  color: var(--color-subtle);
  text-align: center;
  line-height: 1.6;
}

@media (min-width: 600px) {
  .booking-modal-actions {
    flex-direction: row-reverse;
  }
  .booking-modal-btn {
    flex: 1;
  }
}

/* =============================================================
   Instagram section
   ============================================================= */
#instagram {
  background: var(--color-bg);
}

.instagram-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-md);
  justify-items: center;
  margin-bottom: var(--spacing-md);
}

/* Instagram公式埋め込みのblockquoteをリセット */
.instagram-grid .instagram-media {
  margin: 0 !important;
  min-width: 0 !important;
  width: 100% !important;
  max-width: 540px !important;
}

.instagram-link-wrap {
  text-align: center;
  margin-top: var(--spacing-sm);
}

.instagram-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  text-decoration: none;
  border-bottom: 1px solid var(--color-accent);
  padding-bottom: 0.15rem;
  transition: color 0.2s ease, border-color 0.2s ease;
}
.instagram-link:hover {
  color: var(--color-text);
  border-color: var(--color-text);
}

@media (max-width: 768px) {
  .instagram-grid {
    grid-template-columns: 1fr;
  }
}

/* =============================================================
   Photo grid（院の雰囲気）
   ============================================================= */
.photo-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: auto auto;
  gap: 0.5rem;
  margin-top: var(--spacing-lg);
}

.photo-item {
  overflow: hidden;
  aspect-ratio: 4 / 3;
}

.photo-item--wide {
  grid-column: 1 / 3;
  aspect-ratio: 16 / 7;
}

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

.photo-item:hover img {
  transform: scale(1.03);
}

@media (max-width: 768px) {
  .photo-grid {
    grid-template-columns: 1fr;
  }
  .photo-item--wide {
    grid-column: 1 / 2;
    aspect-ratio: 4 / 3;
  }
}

/* =============================================================
   Access signboard
   ============================================================= */
.access-signboard {
  margin-bottom: var(--spacing-md);
  max-height: 360px;
  overflow: hidden;
}

.access-signboard img {
  width: 100%;
  height: 100%;
  max-height: 360px;
  object-fit: cover;
  object-position: center 30%;
  display: block;
}

/* =============================================================
   Concept feature（写真＋テキスト 交互レイアウト）
   ============================================================= */
.concept-feature {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  margin-bottom: 3rem;
  border: 1px solid var(--color-border);
}

.concept-feature--reverse {
  direction: rtl;
}
.concept-feature--reverse > * {
  direction: ltr;
}

.concept-feature-photo {
  overflow: hidden;
  aspect-ratio: 4 / 3;
}

.concept-feature-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s ease;
}

.concept-feature:hover .concept-feature-photo img {
  transform: scale(1.04);
}

.concept-feature-body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 2.5rem 2rem;
  background: var(--color-bg);
}

.concept-feature-body .concept-number {
  font-family: var(--font-en);
  font-size: 2rem;
  color: var(--color-border);
  line-height: 1;
  margin-bottom: 0.75rem;
  display: block;
}

.concept-feature-body h3 {
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: 1.15rem;
  letter-spacing: 0.15em;
  margin-bottom: 1rem;
  color: var(--color-text);
}

.concept-feature-body p {
  font-size: 0.88rem;
  line-height: 2;
  color: var(--color-subtle);
}

/* アクセス：看板＋地図 */
.map-wrap {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.map-signboard {
  overflow: hidden;
  aspect-ratio: 16 / 7;
}

.map-signboard img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
  display: block;
}

@media (max-width: 768px) {
  .concept-feature {
    grid-template-columns: 1fr;
  }
  .concept-feature--reverse {
    direction: ltr;
  }
  .concept-feature-photo {
    aspect-ratio: 3 / 2;
  }
  .concept-feature-body {
    padding: 1.5rem 1.25rem;
  }
}

/* =============================================================
   写真の縁を柔らかく（ビネット効果）
   ============================================================= */

/* concept-feature の写真 */
.concept-feature-photo {
  position: relative;
}
.concept-feature-photo::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(to right,  transparent 60%, var(--color-bg) 100%),
    linear-gradient(to bottom, var(--color-bg) 0%, transparent 18%, transparent 82%, var(--color-bg) 100%),
    linear-gradient(to left,   transparent 60%, var(--color-bg) 100%);
}
/* reverse（テキストが右）のときはグラデ方向を反転 */
.concept-feature--reverse .concept-feature-photo::after {
  background:
    linear-gradient(to left,   transparent 60%, var(--color-bg) 100%),
    linear-gradient(to bottom, var(--color-bg) 0%, transparent 18%, transparent 82%, var(--color-bg) 100%),
    linear-gradient(to right,  transparent 60%, var(--color-bg) 100%);
}

/* アクセス看板 */
.map-signboard {
  position: relative;
}
.map-signboard::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(to bottom, transparent 55%, var(--color-bg-section) 100%),
    linear-gradient(to right,  var(--color-bg-section) 0%, transparent 12%, transparent 88%, var(--color-bg-section) 100%),
    linear-gradient(to top,    transparent 80%, var(--color-bg-section) 100%);
}

/* concept-feature の外枠ボーダーを除去（グラデ演出と相性が悪いため） */
.concept-feature {
  border: none;
}

/* z-index fix: ビネット疑似要素を画像の上に */
.concept-feature-photo::after,
.map-signboard::after {
  z-index: 1;
}

/* ビネット強度を弱める（上書き） */
.concept-feature-photo::after {
  background:
    linear-gradient(to right,  transparent 78%, var(--color-bg) 100%),
    linear-gradient(to bottom, var(--color-bg) 0%, transparent 8%, transparent 92%, var(--color-bg) 100%),
    linear-gradient(to left,   transparent 78%, var(--color-bg) 100%);
}
.concept-feature--reverse .concept-feature-photo::after {
  background:
    linear-gradient(to left,   transparent 78%, var(--color-bg) 100%),
    linear-gradient(to bottom, var(--color-bg) 0%, transparent 8%, transparent 92%, var(--color-bg) 100%),
    linear-gradient(to right,  transparent 78%, var(--color-bg) 100%);
}
.map-signboard::after {
  background:
    linear-gradient(to bottom, transparent 72%, var(--color-bg-section) 100%),
    linear-gradient(to right,  var(--color-bg-section) 0%, transparent 6%, transparent 94%, var(--color-bg-section) 100%),
    linear-gradient(to top,    transparent 88%, var(--color-bg-section) 100%);
}

/* 看板写真のビネットをさらに控えめに */
.map-signboard::after {
  background:
    linear-gradient(to bottom, transparent 85%, var(--color-bg-section) 100%),
    linear-gradient(to right,  var(--color-bg-section) 0%, transparent 4%, transparent 96%, var(--color-bg-section) 100%),
    linear-gradient(to top,    transparent 94%, var(--color-bg-section) 100%);
}

/* 看板写真：全体表示＋余白にビネット */
.map-signboard {
  aspect-ratio: 4 / 3;
  background: var(--color-bg-section);
}
.map-signboard img {
  object-fit: contain;
  object-position: center center;
}
.map-signboard::after {
  background: radial-gradient(
    ellipse 60% 55% at center,
    transparent 55%,
    var(--color-bg-section) 100%
  );
}

/* 看板ビネットをさらに弱める */
.map-signboard::after {
  background: radial-gradient(
    ellipse 75% 70% at center,
    transparent 70%,
    var(--color-bg-section) 100%
  );
}

/* =============================================================
   院の想い
   ============================================================= */
.clinic-philosophy {
  text-align: center;
  padding: var(--spacing-lg) var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.clinic-philosophy-lead {
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: 1rem;
  line-height: 2.4;
  letter-spacing: 0.1em;
  color: var(--color-subtle);
  margin-bottom: 2rem;
}

.clinic-philosophy-body {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 1.1rem;
  line-height: 2.2;
  letter-spacing: 0.12em;
  color: var(--color-text);
}

@media (max-width: 768px) {
  .clinic-philosophy {
    padding: var(--spacing-md) var(--spacing-sm);
  }
  .clinic-philosophy-lead {
    font-size: 0.9rem;
    line-height: 2.2;
  }
  .clinic-philosophy-body {
    font-size: 1rem;
  }
}

/* =============================================================
   About（院長）
   ============================================================= */
#about {
  background: var(--color-bg-section);
}

.about-grid {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: var(--spacing-lg);
  align-items: start;
}

/* 写真がない場合のレイアウト：1カラム・中央寄せ */
.about-grid--no-photo {
  grid-template-columns: 1fr;
  max-width: 720px;
  margin: 0 auto;
}

.about-photo {
  position: sticky;
  top: 84px;
}

.about-photo img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  display: block;
}

.about-photo-placeholder {
  width: 100%;
  aspect-ratio: 3 / 4;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-border);
  font-size: 2rem;
}

.about-name {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 400;
  letter-spacing: 0.2em;
  color: var(--color-text);
  margin-bottom: 0.4rem;
}

.about-title {
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  color: var(--color-subtle);
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--color-border);
}

.about-message p {
  font-size: 0.92rem;
  line-height: 2.2;
  color: var(--color-text);
  margin-bottom: 1.2rem;
}

.about-tagline {
  font-family: var(--font-serif);
  font-size: 1rem !important;
  font-weight: 400;
  letter-spacing: 0.12em;
  line-height: 2 !important;
  color: var(--color-accent) !important;
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-border);
}

@media (max-width: 768px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }
  .about-photo {
    position: static;
    max-width: 200px;
    margin: 0 auto;
  }
  .about-name {
    text-align: center;
  }
  .about-title {
    text-align: center;
  }
}

/* =============================================
   Legal page (privacy policy etc.)
   ============================================= */
.legal-page {
  padding: var(--spacing-lg) 0 var(--spacing-xl);
}

.legal-body {
  max-width: 720px;
  margin: 0 auto;
  font-size: 0.95rem;
  line-height: 2;
  color: var(--color-text);
}

.legal-intro {
  margin-bottom: var(--spacing-md);
  padding: var(--spacing-md);
  background-color: var(--color-bg-card);
  border-left: 2px solid var(--color-accent);
  font-size: 0.95rem;
}

.legal-body h3 {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  margin-top: var(--spacing-md);
  margin-bottom: var(--spacing-xs);
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--color-border);
}

.legal-body p {
  margin-bottom: var(--spacing-sm);
}

.legal-body ul {
  margin-bottom: var(--spacing-sm);
  padding-left: 1.5rem;
}

.legal-body li {
  margin-bottom: 0.4rem;
}

.legal-body strong {
  font-weight: 500;
  color: var(--color-text);
}

.inline-link {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.legal-contact {
  margin: var(--spacing-sm) 0;
  padding: var(--spacing-sm) var(--spacing-md);
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  font-size: 0.9rem;
}

.legal-revision {
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-sm);
  border-top: 1px solid var(--color-border);
  font-size: 0.85rem;
  color: var(--color-subtle);
  text-align: right;
}

/* footer legal links */
.footer-legal-links {
  list-style: none;
  display: flex;
  gap: var(--spacing-sm);
  justify-content: center;
  margin: var(--spacing-sm) 0 0;
  padding: 0;
}

.footer-legal-links a {
  font-size: 0.8rem;
  color: var(--color-subtle);
  letter-spacing: 0.08em;
  transition: color var(--transition);
}

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

/* =============================================
   Menu section
   ============================================= */
#menu {
  padding: var(--spacing-lg) 0;
  background-color: var(--color-bg-section);
}

.menu-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
  max-width: 720px;
  margin: 0 auto;
}

.menu-card {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  padding: var(--spacing-md);
  text-align: center;
  position: relative;
  transition: border-color var(--transition);
}

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

.menu-card-tag {
  display: inline-block;
  font-family: var(--font-latin);
  font-style: italic;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--color-subtle);
  text-transform: uppercase;
  margin-bottom: var(--spacing-sm);
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--color-border);
  min-width: 100px;
}

.menu-card-name {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 400;
  letter-spacing: 0.2em;
  color: var(--color-text);
  margin-bottom: 0.8rem;
}

.menu-card-detail {
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  color: var(--color-subtle);
  margin-bottom: var(--spacing-md);
  line-height: 1.7;
}

.menu-card-price {
  font-family: var(--font-latin);
  font-size: 2.2rem;
  font-weight: 300;
  color: var(--color-accent);
  letter-spacing: 0.05em;
  margin: 0;
}

.menu-card-price-yen {
  font-size: 1.4rem;
  margin-right: 0.2rem;
  vertical-align: 0.15em;
}

.menu-card-note {
  font-size: 0.72rem;
  letter-spacing: 0.02em;
  color: var(--color-subtle);
  line-height: 1.7;
  margin-top: var(--spacing-sm);
  padding-top: 0.6rem;
  border-top: 1px solid var(--color-border);
  text-align: left;
}

.menu-payment {
  max-width: 720px;
  margin: var(--spacing-lg) auto 0;
  padding: var(--spacing-md);
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
}

.menu-payment-title {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  color: var(--color-accent);
  margin-bottom: var(--spacing-sm);
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--color-border);
}

.menu-payment-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.menu-payment-list li {
  font-size: 0.9rem;
  letter-spacing: 0.04em;
  color: var(--color-text);
  padding: 0.5rem 0;
  padding-left: 1.2rem;
  position: relative;
}

.menu-payment-list li::before {
  content: "・";
  position: absolute;
  left: 0;
  color: var(--color-accent);
}

.menu-cancel-text {
  font-size: 0.9rem;
  letter-spacing: 0.04em;
  color: var(--color-text);
  line-height: 2;
  margin: 0;
}

/* 来院の流れ */
.menu-flow-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.menu-flow-list li {
  padding: 0.9rem 1rem;
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-left: 2px solid var(--color-accent);
}

.menu-flow-head {
  display: flex;
  align-items: baseline;
  gap: 0.8rem;
  margin-bottom: 0.4rem;
}

.menu-flow-step {
  font-family: var(--font-latin);
  font-style: italic;
  font-size: 0.9rem;
  color: var(--color-accent);
  letter-spacing: 0.1em;
}

.menu-flow-name {
  font-family: var(--font-serif);
  font-size: 0.98rem;
  color: var(--color-text);
  letter-spacing: 0.06em;
}

.menu-flow-desc {
  font-size: 0.82rem;
  color: var(--color-subtle);
  line-height: 1.8;
  letter-spacing: 0.03em;
  margin: 0;
  padding-left: 2.6rem;
}

@media (max-width: 600px) {
  .menu-flow-desc {
    padding-left: 0;
  }
}

/* =============================================
   Approach section
   ============================================= */
#approach {
  padding: var(--spacing-lg) 0;
}

.approach-intro {
  text-align: center;
  font-size: 0.95rem;
  letter-spacing: 0.06em;
  color: var(--color-text);
  line-height: 2;
  margin-bottom: var(--spacing-lg);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.approach-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
  max-width: 720px;
  margin: 0 auto;
}

.approach-card {
  padding: var(--spacing-md);
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  transition: border-color var(--transition);
}

.approach-card:hover {
  border-color: var(--color-accent);
}

.approach-card-num {
  display: inline-block;
  font-family: var(--font-latin);
  font-style: italic;
  font-size: 0.85rem;
  color: var(--color-accent);
  letter-spacing: 0.15em;
  margin-bottom: 0.5rem;
}

.approach-card-name {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 400;
  letter-spacing: 0.18em;
  color: var(--color-text);
  margin-bottom: 0.8rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--color-border);
}

.approach-card-desc {
  font-size: 0.85rem;
  color: var(--color-subtle);
  line-height: 1.9;
  letter-spacing: 0.03em;
  margin: 0;
}

.approach-house-call {
  max-width: 720px;
  margin: var(--spacing-lg) auto 0;
  padding: var(--spacing-md);
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
}

.approach-house-call-title {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  color: var(--color-accent);
  margin-bottom: var(--spacing-sm);
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--color-border);
}

.approach-house-call-text {
  font-size: 0.9rem;
  letter-spacing: 0.04em;
  color: var(--color-text);
  line-height: 1.9;
  margin: 0;
}

@media (max-width: 600px) {
  .approach-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .menu-grid {
    grid-template-columns: 1fr;
  }
  .menu-card-price {
    font-size: 1.9rem;
  }
}