/* ==========================================================================
   CSS Design System & Variables (Redesigned: Warm Elegant Salon)
   ========================================================================== */
:root {
  --color-primary: #2d1e18;        /* ココアダークブラウン - 柔らかい引き締め */
  --color-primary-light: #523f36;
  --color-secondary: #d4af37;      /* シャンパンゴールド - 華やかさ・上質 */
  --color-secondary-light: #fdfaf6; /* 明るいエクリュ */
  --color-secondary-dark: #b89524;
  --color-pink-accent: #e5b9b9;    /* ダスティローズ - フェミニンで優しい印象 */
  --color-pink-light: #fbf5f5;
  --color-accent: #c94a4a;         /* エラー・警告 */
  --color-accent-bg: #fff6f6;
  --color-bg-base: #faf8f5;        /* ベース背景 */
  --color-bg-warm: #f5efe6;        /* グレージュ */
  --color-bg-dark: #221a17;        /* フッター用ダークブラウン */
  --color-surface: #ffffff;
  --color-text-main: #3a2e2b;
  --color-text-muted: #80726e;
  --color-border: #ebdcc9;
  --color-shadow: rgba(45, 30, 24, 0.06);

  --font-base: 'Outfit', 'Noto Sans JP', sans-serif;
  --font-heading: 'Playfair Display', 'Noto Serif JP', serif;
  --max-width: 1200px;
}

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

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

body {
  font-family: var(--font-base);
  background-color: var(--color-bg-base);
  color: var(--color-text-main);
  line-height: 1.8;
  overflow-x: hidden;
  letter-spacing: 0.02em;
}

a {
  color: inherit;
  text-decoration: none;
  transition: all 0.3s ease;
}

ul {
  list-style: none;
}

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

/* ==========================================================================
   Typography & Layout Utilities
   ========================================================================== */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  color: var(--color-primary);
  font-weight: 500;
  letter-spacing: 0.05em;
}

.section-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 100px 24px;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-subtitle {
  font-family: var(--font-heading);
  color: var(--color-secondary-dark);
  font-size: 1.05rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  display: block;
  margin-bottom: 12px;
}

.section-title {
  font-size: 2.5rem;
  position: relative;
  display: inline-block;
  padding-bottom: 16px;
  margin-bottom: 20px;
}

/* Rounded luxury double line */
.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 2px;
  background-color: var(--color-secondary);
}

.section-desc {
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto;
  font-size: 1rem;
  font-family: 'Noto Serif JP', serif;
  line-height: 1.8;
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.main-header {
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 20px rgba(45, 30, 24, 0.04);
  border-bottom: 1px solid var(--color-border);
}

.header-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.header-logo .logo-link {
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo-icon {
  font-size: 1.8rem;
  color: var(--color-secondary-dark);
}

.logo-text {
  font-family: var(--font-heading);
  font-size: 1.45rem;
  color: var(--color-primary);
  font-weight: 500;
}

.logo-text strong {
  font-weight: 600;
  color: var(--color-secondary-dark);
}

.header-nav {
  display: flex;
  align-items: center;
}

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

.nav-item {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text-main);
  position: relative;
  padding: 4px 0;
}

.nav-item::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-secondary);
  transition: width 0.3s ease;
}

.nav-item:hover {
  color: var(--color-secondary-dark);
}

.nav-item:hover::after {
  width: 100%;
}

.nav-btn {
  background-color: var(--color-primary);
  color: #ffffff;
  padding: 12px 30px;
  border-radius: 40px;
  font-weight: 600;
  font-size: 0.85rem;
  border: 1px solid var(--color-primary);
  letter-spacing: 0.1em;
  box-shadow: 0 4px 10px rgba(45, 30, 24, 0.15);
}

.nav-btn:hover {
  background-color: transparent;
  color: var(--color-primary);
  box-shadow: none;
}

/* Mobile Toggle */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 40px;
  height: 40px;
  position: relative;
}

.mobile-menu-toggle .bar {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-primary);
  position: absolute;
  left: 8px;
  transition: all 0.3s ease;
}

.mobile-menu-toggle .bar:nth-child(1) { top: 13px; }
.mobile-menu-toggle .bar:nth-child(2) { top: 19px; }
.mobile-menu-toggle .bar:nth-child(3) { top: 25px; }

/* ==========================================================================
   Hero Section (Warm Luxury Split)
   ========================================================================== */
.hero-section {
  background: linear-gradient(135deg, #fbfaf8 0%, #f6f0e7 100%);
  position: relative;
  overflow: hidden;
  padding: 100px 0;
  border-bottom: 1px solid var(--color-border);
}

.hero-section::before {
  content: '';
  position: absolute;
  top: -10%;
  right: -5%;
  width: 450px;
  height: 450px;
  background: radial-gradient(circle, rgba(229, 185, 185, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.hero-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 60px;
}

.hero-content {
  z-index: 2;
}

.hero-badge {
  background-color: var(--color-pink-light);
  color: var(--color-text-main);
  border: 1px solid var(--color-pink-accent);
  padding: 6px 18px;
  border-radius: 40px;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  display: inline-block;
  margin-bottom: 24px;
  box-shadow: 0 2px 8px rgba(229, 185, 185, 0.15);
}

.hero-title {
  font-size: 3.2rem;
  color: var(--color-primary);
  line-height: 1.35;
  margin-bottom: 24px;
  font-weight: 400;
}

.hero-desc {
  font-size: 1.05rem;
  color: var(--color-text-main);
  margin-bottom: 40px;
  line-height: 1.9;
  font-family: 'Noto Serif JP', serif;
}

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

.btn {
  display: inline-block;
  padding: 16px 36px;
  border-radius: 40px;
  font-weight: 600;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  text-align: center;
  font-size: 0.95rem;
  letter-spacing: 0.05em;
}

.btn-primary {
  background-color: var(--color-primary);
  color: #ffffff;
  border: 1px solid var(--color-primary);
  box-shadow: 0 6px 15px rgba(45, 30, 24, 0.25);
}

.btn-primary:hover {
  background-color: var(--color-secondary);
  border-color: var(--color-secondary);
  color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(212, 175, 55, 0.3);
}

.btn-secondary {
  background-color: #ffffff;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
}

.btn-secondary:hover {
  background-color: var(--color-pink-light);
  transform: translateY(-2px);
}

.hero-image-wrapper {
  position: relative;
  z-index: 2;
}

.hero-image-card {
  background-color: #ffffff;
  padding: 24px;
  border-radius: 80px 80px 0px 0px; /* Elegant Dome Frame */
  border: 1px solid var(--color-border);
  box-shadow: 0 15px 35px var(--color-shadow);
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-svg-art {
  width: 100%;
  height: auto;
  max-width: 320px;
}

.image-label {
  color: var(--color-text-muted);
  font-family: var(--font-heading);
  text-align: center;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  margin-top: 16px;
}

/* ==========================================================================
   Style Gallery (最新スタイル紹介) - Rich Colors SVG Hair Catalogue
   ========================================================================== */
.gallery-section {
  background-color: var(--color-surface);
}

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

.style-card {
  background-color: var(--color-secondary-light);
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition: all 0.4s ease;
  box-shadow: 0 4px 15px var(--color-shadow);
}

.style-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 30px rgba(45, 30, 24, 0.1);
  border-color: var(--color-pink-accent);
}

.style-visual-box {
  background-color: #ffffff;
  height: 350px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  border-bottom: 1px solid var(--color-border);
}

.portrait-svg-art {
  width: 100%;
  height: 100%;
}

.style-info {
  padding: 24px;
  text-align: center;
}

.style-category {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-secondary-dark);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 6px;
  display: block;
}

.style-name {
  font-size: 1.25rem;
  margin-bottom: 12px;
  color: var(--color-primary);
}

.style-desc {
  color: var(--color-text-muted);
  font-size: 0.88rem;
  line-height: 1.7;
  font-family: 'Noto Serif JP', serif;
}

/* ==========================================================================
   Values (3 Pillars)
   ========================================================================== */
.about-section {
  background-color: var(--color-bg-base);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

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

.value-card {
  text-align: center;
  padding: 20px;
  background-color: #ffffff;
  border-radius: 8px;
  border: 1px solid var(--color-border);
  box-shadow: 0 4px 15px var(--color-shadow);
  transition: all 0.3s ease;
}

.value-card:hover {
  transform: translateY(-3px);
  border-color: var(--color-pink-accent);
}

.value-num {
  font-family: var(--font-heading);
  font-size: 2.8rem;
  color: var(--color-pink-accent);
  line-height: 1;
  margin-bottom: 16px;
}

.value-title {
  font-size: 1.25rem;
  margin-bottom: 14px;
  font-weight: 600;
}

.value-text {
  color: var(--color-text-muted);
  font-size: 0.92rem;
  line-height: 1.8;
  font-family: 'Noto Serif JP', serif;
}

/* ==========================================================================
   Realtime Reservation Empty Status Dashboard
   ========================================================================== */
.status-section {
  background-color: var(--color-surface);
}

.status-table-wrapper {
  max-width: 900px;
  margin: 0 auto;
  background-color: var(--color-secondary-light);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 30px;
  box-shadow: 0 6px 20px var(--color-shadow);
}

.status-table-title {
  font-size: 1.25rem;
  text-align: center;
  margin-bottom: 20px;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

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

.status-matrix-table th, 
.status-matrix-table td {
  padding: 12px;
  text-align: center;
  border: 1px solid var(--color-border);
  font-size: 0.9rem;
}

.status-matrix-table th {
  background-color: var(--color-primary);
  color: #ffffff;
  font-weight: 600;
}

.status-matrix-table th.day-tue {
  background-color: #8c7368;
}

.status-matrix-table td {
  background-color: #ffffff;
  font-weight: 700;
}

.status-matrix-table td.status-ok {
  color: #2e7d32;
}

.status-matrix-table td.status-few {
  color: var(--color-secondary-dark);
}

.status-matrix-table td.status-closed {
  background-color: #f5ede6;
  color: var(--color-text-muted);
  font-weight: 500;
}

.status-caption {
  text-align: center;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-top: 16px;
  font-family: 'Noto Serif JP', serif;
}

/* ==========================================================================
   Stylist Section
   ========================================================================== */
.stylist-section {
  background-color: var(--color-bg-base);
  border-bottom: 1px solid var(--color-border);
}

.stylist-card {
  background-color: #ffffff;
  border-radius: 16px;
  border: 1px solid var(--color-border);
  padding: 50px;
  box-shadow: 0 10px 30px var(--color-shadow);
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 50px;
  align-items: center;
}

.stylist-image-wrapper {
  background-color: var(--color-pink-light);
  border: 1px solid var(--color-pink-accent);
  border-radius: 50%;
  padding: 30px;
  aspect-ratio: 1 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 5px 15px rgba(229, 185, 185, 0.2);
  overflow: hidden;
}

.stylist-avatar-svg {
  width: 100%;
  height: 100%;
}

.stylist-info {
  display: flex;
  flex-direction: column;
}

.stylist-badge {
  color: var(--color-secondary-dark);
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.15em;
  margin-bottom: 8px;
}

.stylist-name {
  font-size: 2.2rem;
  margin-bottom: 20px;
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.stylist-name .ruby {
  font-family: var(--font-base);
  font-size: 0.95rem;
  color: var(--color-text-muted);
  font-weight: 500;
}

.stylist-message p {
  font-size: 0.95rem;
  color: var(--color-text-main);
  margin-bottom: 16px;
  text-align: justify;
  font-family: 'Noto Serif JP', serif;
}

.stylist-message p:last-child {
  margin-bottom: 0;
}

/* ==========================================================================
   Menu & Prices
   ========================================================================== */
.menu-section {
  background-color: var(--color-surface);
}

.menu-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  margin-bottom: 50px;
}

.menu-list-box {
  background-color: var(--color-secondary-light);
  border: 1px solid var(--color-border);
  padding: 40px;
  border-radius: 8px;
}

.menu-box-title {
  font-size: 1.4rem;
  margin-bottom: 30px;
  border-bottom: 2px solid var(--color-secondary);
  padding-bottom: 10px;
  color: var(--color-primary);
}

.menu-item-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 24px;
}

.menu-item-row:last-child {
  margin-bottom: 0;
}

.menu-item-name-box {
  flex: 1;
}

.menu-item-title {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.menu-item-desc {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  font-family: 'Noto Serif JP', serif;
}

.menu-item-price {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  color: var(--color-primary);
  font-weight: 700;
  margin-left: 20px;
}

.menu-coupons-box {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: 40px;
  border-radius: 8px;
  box-shadow: 0 4px 15px var(--color-shadow);
}

.coupon-card {
  border: 1.5px dashed var(--color-pink-accent);
  border-radius: 8px;
  padding: 24px;
  margin-bottom: 20px;
  background-color: var(--color-pink-light);
}

.coupon-card:last-child {
  margin-bottom: 0;
}

.coupon-badge {
  background-color: var(--color-pink-accent);
  color: var(--color-primary);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 12px;
  display: inline-block;
  margin-bottom: 10px;
  letter-spacing: 0.1em;
  border-radius: 20px;
}

.coupon-title {
  font-size: 1.15rem;
  margin-bottom: 8px;
}

.coupon-price {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.coupon-price span {
  font-size: 0.9rem;
  text-decoration: line-through;
  color: var(--color-text-muted);
  margin-left: 10px;
}

.coupon-desc {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  font-family: 'Noto Serif JP', serif;
}

/* ==========================================================================
   Instagram Style Gallery Section
   ========================================================================== */
.instagram-section {
  background-color: var(--color-bg-base);
  border-top: 1px solid var(--color-border);
}

.instagram-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
}

.instagram-item {
  background-color: #ffffff;
  border: 1px solid var(--color-border);
  aspect-ratio: 1 / 1;
  padding: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
}

.instagram-item:hover {
  transform: scale(1.03);
  box-shadow: 0 8px 20px var(--color-shadow);
  border-color: var(--color-pink-accent);
}

.instagram-svg {
  width: 100%;
  height: 100%;
}

.instagram-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(45, 30, 24, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
  color: #ffffff;
  font-size: 0.85rem;
  font-weight: 600;
}

.instagram-item:hover .instagram-overlay {
  opacity: 1;
}

/* ==========================================================================
   Reviews (お客様の声)
   ========================================================================== */
.reviews-section {
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-border);
}

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

.review-card {
  background-color: var(--color-secondary-light);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 30px;
  box-shadow: 0 4px 15px var(--color-shadow);
}

.review-stars {
  color: var(--color-secondary);
  font-size: 1.1rem;
  margin-bottom: 12px;
}

.review-text {
  font-size: 0.9rem;
  color: var(--color-text-main);
  line-height: 1.7;
  margin-bottom: 20px;
  font-family: 'Noto Serif JP', serif;
}

.review-author {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  font-weight: 700;
  text-align: right;
}

/* ==========================================================================
   Reserve & Simulator Form Section
   ========================================================================== */
.reserve-section {
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-border);
}

.reserve-card {
  background-color: var(--color-bg-base);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 60px;
  box-shadow: 0 10px 30px var(--color-shadow);
}

.reserve-header {
  text-align: center;
  margin-bottom: 50px;
}

.reserve-badge {
  background-color: var(--color-pink-accent);
  color: var(--color-primary);
  padding: 6px 24px;
  font-size: 0.8rem;
  font-weight: 700;
  display: inline-block;
  margin-bottom: 16px;
  letter-spacing: 0.1em;
  border-radius: 30px;
}

.reserve-title {
  font-size: 2rem;
  margin-bottom: 12px;
}

.reserve-subtitle {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  font-family: 'Noto Serif JP', serif;
}

/* Form Styles */
.form-section {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 36px;
  margin-bottom: 30px;
}

.form-section-title {
  font-size: 1.15rem;
  margin-bottom: 24px;
  border-left: 4px solid var(--color-pink-accent);
  padding-left: 12px;
  line-height: 1.4;
}

/* Radiogroup */
.purpose-selector {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.purpose-option {
  cursor: pointer;
  display: block;
}

.purpose-option input[type="radio"] {
  display: none;
}

.purpose-box {
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 20px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  transition: all 0.3s ease;
  background-color: var(--color-surface);
}

.purpose-icon {
  font-size: 1.8rem;
}

.purpose-label-text {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-text-main);
  letter-spacing: 0.05em;
}

.purpose-option input[type="radio"]:checked + .purpose-box {
  border-color: var(--color-pink-accent);
  background-color: var(--color-pink-light);
}

.purpose-option input[type="radio"]:checked + .purpose-box .purpose-label-text {
  color: var(--color-primary);
}

/* Field Grid Layout */
.field-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 24px;
}

.field-grid:last-child {
  margin-bottom: 0;
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-group label {
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--color-primary);
}

.form-group label .req {
  background-color: var(--color-accent);
  color: #ffffff;
  font-size: 0.7rem;
  padding: 2px 6px;
  margin-left: 6px;
  vertical-align: middle;
  border-radius: 2px;
}

.form-group input[type="text"],
.form-group input[type="tel"],
.form-group input[type="email"],
.form-group input[type="date"],
.form-group input[type="time"],
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  font-family: inherit;
  font-size: 0.95rem;
  transition: all 0.3s ease;
  background-color: var(--color-surface);
  color: var(--color-text-main);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-pink-accent);
}

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

/* User-invalid CSS selector styling */
.form-group .error-msg {
  display: none;
  color: var(--color-accent);
  font-size: 0.8rem;
  margin-top: 6px;
  font-weight: 500;
  font-family: 'Noto Serif JP', serif;
}

.form-group:has(:user-invalid) input,
.form-group:has(:user-invalid) select,
.form-group:has(:user-invalid) textarea {
  border-color: var(--color-accent);
  background-color: var(--color-accent-bg);
}

.form-group:has(:user-invalid) .error-msg {
  display: block;
}

/* Polyfill class fallback */
.form-group:has(.user-invalid-fallback) input,
.form-group:has(.user-invalid-fallback) select,
.form-group:has(.user-invalid-fallback) textarea {
  border-color: var(--color-accent);
  background-color: var(--color-accent-bg);
}

.form-group:has(.user-invalid-fallback) .error-msg {
  display: block;
}

/* Success visual feedback */
.form-group input:not(:placeholder-shown):valid,
.form-group select:valid:not([value=""]) {
  border-color: #3b7a57;
}

/* ==========================================================================
   CSS-only :has() form fields toggle (Reservation vs Consultation)
   ========================================================================== */
.booking-fields,
.consult-fields {
  display: none;
}

body:has(#purpose-booking:checked) .booking-fields {
  display: block;
  animation: formSectionFade 0.4s ease-out forwards;
}

body:has(#purpose-consult:checked) .consult-fields {
  display: block;
  animation: formSectionFade 0.4s ease-out forwards;
}

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

/* ==========================================================================
   Dynamic Menu Simulator Result Panel
   ========================================================================== */
.simulation-result-box {
  background-color: var(--color-primary);
  color: #ffffff;
  padding: 30px;
  margin-top: 24px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 20px;
  align-items: center;
  border-left: 4px solid var(--color-pink-accent);
  animation: resultBoxReveal 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  border-radius: 8px;
}

@keyframes resultBoxReveal {
  from {
    opacity: 0;
    transform: scale(0.97);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.sim-result-icon {
  font-size: 2.2rem;
}

.sim-result-content {
  display: flex;
  flex-direction: column;
}

.sim-result-title {
  color: var(--color-pink-accent);
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 6px;
  letter-spacing: 0.05em;
}

.sim-result-value {
  font-size: 1.3rem;
  font-weight: 500;
  margin-bottom: 8px;
}

.sim-result-value .price-num {
  font-size: 2.2rem;
  color: var(--color-secondary-light);
  font-weight: 700;
  font-family: var(--font-heading);
}

.sim-result-value .price-discount {
  font-size: 1.1rem;
  text-decoration: line-through;
  color: rgba(255, 255, 255, 0.5);
  margin-left: 10px;
}

.sim-result-desc {
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.5;
  font-family: 'Noto Serif JP', serif;
}

/* ==========================================================================
   Alert Notification Boxes
   ========================================================================== */
.info-alert-box {
  background-color: var(--color-pink-light);
  border: 1px solid var(--color-pink-accent);
  border-left: 4px solid var(--color-primary-light);
  padding: 20px;
  display: flex;
  gap: 16px;
  margin-top: 20px;
  border-radius: 4px;
}

.info-alert-icon {
  font-size: 1.4rem;
}

.info-title {
  font-size: 0.92rem;
  color: var(--color-primary);
  margin-bottom: 4px;
  font-weight: 700;
}

.info-text {
  font-size: 0.82rem;
  color: var(--color-text-main);
  line-height: 1.5;
  font-family: 'Noto Serif JP', serif;
}

/* ==========================================================================
   Form Submit Area
   ========================================================================== */
.form-actions {
  text-align: center;
  margin-top: 40px;
}

.privacy-note {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  max-width: 580px;
  margin: 0 auto 20px;
  font-family: 'Noto Serif JP', serif;
}

.btn-submit {
  width: 100%;
  max-width: 360px;
  background-color: var(--color-primary);
  color: #ffffff;
  border: 1px solid var(--color-primary);
  padding: 18px 0;
  cursor: pointer;
  box-shadow: 0 4px 15px rgba(45, 30, 24, 0.15);
  font-size: 0.95rem;
  letter-spacing: 0.15em;
  font-weight: 600;
  border-radius: 40px;
}

.btn-submit:hover {
  background-color: var(--color-secondary);
  color: var(--color-primary);
  border-color: var(--color-secondary);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(212, 175, 55, 0.25);
}

.btn-submit:disabled {
  background-color: #e2e2e2;
  border-color: #e2e2e2;
  color: #8c8c8c;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

/* ==========================================================================
   Access & Map Section
   ========================================================================== */
.access-section {
  background-color: var(--color-bg-base);
  border-top: 1px solid var(--color-border);
}

.access-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 50px;
  align-items: start;
}

.access-info {
  background-color: var(--color-surface);
  padding: 40px;
  border: 1px solid var(--color-border);
  box-shadow: 0 5px 15px var(--color-shadow);
  border-radius: 8px;
}

.facility-title {
  font-size: 1.5rem;
  margin-bottom: 24px;
}

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

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

.info-table tr:last-child {
  border-bottom: none;
}

.info-table th {
  text-align: left;
  padding: 16px 0;
  font-size: 0.9rem;
  color: var(--color-primary);
  font-weight: 600;
  width: 110px;
  vertical-align: top;
}

.info-table td {
  padding: 16px 0;
  font-size: 0.9rem;
  color: var(--color-text-main);
  line-height: 1.6;
  font-family: 'Noto Serif JP', serif;
}

.access-map {
  background-color: var(--color-surface);
  padding: 14px;
  border: 1px solid var(--color-border);
  box-shadow: 0 5px 15px var(--color-shadow);
  border-radius: 8px;
}

.map-svg {
  background-color: #faf9f6;
  display: block;
  border-radius: 4px;
}

.map-caption {
  margin-top: 16px;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  font-family: 'Noto Serif JP', serif;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.main-footer {
  background-color: var(--color-bg-dark);
  color: rgba(255, 255, 255, 0.65);
  padding: 70px 0 30px;
  border-top: 3px solid var(--color-pink-accent);
}

.footer-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 40px;
  margin-bottom: 50px;
}

.footer-brand {
  max-width: 400px;
}

.footer-logo {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  color: #ffffff;
  display: block;
  margin-bottom: 16px;
}

.footer-desc {
  font-size: 0.88rem;
  line-height: 1.7;
  font-family: 'Noto Serif JP', serif;
}

.footer-links {
  display: flex;
  gap: 50px;
}

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

.footer-nav-list a {
  font-size: 0.88rem;
}

.footer-nav-list a:hover {
  color: #ffffff;
}

.footer-bottom {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 24px 24px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  text-align: center;
  font-size: 0.78rem;
}

/* ==========================================================================
   Intersection Observer (Scroll Animations)
   ========================================================================== */
.scroll-reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), 
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* ==========================================================================
   Responsive Styles
   ========================================================================== */
@media (max-width: 1200px) {
  .instagram-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 992px) {
  .hero-container {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }
  
  .hero-actions {
    justify-content: center;
  }

  .hero-image-wrapper {
    max-width: 400px;
    margin: 0 auto;
    width: 100%;
  }

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

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

  .stylist-card {
    grid-template-columns: 1fr;
    gap: 40px;
    padding: 30px;
  }

  .stylist-image-wrapper {
    max-width: 250px;
    margin: 0 auto;
  }

  .menu-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

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

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

@media (max-width: 768px) {
  .section-title {
    font-size: 1.8rem;
  }
  
  .main-header {
    position: relative;
  }

  .mobile-menu-toggle {
    display: block;
    z-index: 105;
  }

  /* Mobile Nav active */
  .header-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 260px;
    height: 100vh;
    background-color: var(--color-surface);
    box-shadow: -8px 0 25px rgba(0,0,0,0.1);
    z-index: 100;
    transition: right 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    padding: 70px 20px 20px;
    align-items: start;
  }

  .header-nav.active {
    right: 0;
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    gap: 20px;
  }

  .nav-btn {
    text-align: center;
    width: 100%;
  }

  .mobile-menu-toggle[aria-expanded="true"] .bar:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
  }
  .mobile-menu-toggle[aria-expanded="true"] .bar:nth-child(2) {
    opacity: 0;
  }
  .mobile-menu-toggle[aria-expanded="true"] .bar:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
  }

  .status-table-wrapper {
    padding: 20px 10px;
  }

  .status-matrix-table th, 
  .status-matrix-table td {
    padding: 8px 4px;
    font-size: 0.8rem;
  }

  .reserve-card {
    padding: 30px 20px;
  }

  .purpose-selector {
    grid-template-columns: 1fr;
  }

  .field-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .footer-container {
    flex-direction: column;
    gap: 30px;
  }

  .footer-links {
    width: 100%;
    justify-content: space-between;
  }
}