/* ==========================================================================
   こども教室 まなび亭 - Core Styling System
   ========================================================================== */

/* --- Custom Properties (Design Tokens) --- */
:root {
  /* Cheerful Kid-Friendly Brand Colors */
  --color-primary: #0284c7;        /* Aqua Blue (Intelligence & Sky) */
  --color-primary-light: #e0f2fe;  /* Soft Sky Blue */
  --color-primary-dark: #0369a1;   /* Deep Ocean Blue */
  
  --color-accent-orange: #ea580c;  /* Energy Orange (Activity & Warmth) */
  --color-accent-orange-light: #ffedd5; /* Warm Peach */
  
  --color-accent-yellow: #f59e0b;  /* School Yellow (Creativity & Fun) */
  --color-accent-yellow-light: #fef3c7; /* Soft Cream Yellow */
  
  /* Neutral Color Palette */
  --color-bg-base: #fdfaf6;        /* Warm Creamy Off-White */
  --color-bg-card: #ffffff;        /* Pure White */
  --color-bg-alt: #f7f3eb;         /* Soft Sandbox Sand */
  
  --color-text-main: #374151;      /* Dark Charcoal */
  --color-text-muted: #6b7280;     /* Slate Muted Gray */
  --color-text-light: #9ca3af;     /* Light Silver Gray */
  
  --color-border: #e5e7eb;         /* Clean Border Gray */
  --color-border-hover: #cbd5e1;
  --color-error: #ef4444;          /* Warm Red */
  --color-error-light: #fee2e2;    /* Soft Red Mist */
  --color-success: #10b981;        /* Emerald Green */
  
  /* Typography */
  --font-family: 'Noto Sans JP', 'Inter', system-ui, -apple-system, sans-serif;
  --font-fancy: 'Yusei Magic', 'Noto Sans JP', sans-serif; /* Rounded magical kids font */
  
  /* Sizing, Radius & Motion */
  --container-width: 1200px;
  --header-height: 80px;
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 28px;
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1); /* Bouncy kids transition */
  
  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(71, 85, 105, 0.04);
  --shadow-md: 0 8px 16px -2px rgba(71, 85, 105, 0.08), 0 2px 4px -1px rgba(71, 85, 105, 0.04);
  --shadow-lg: 0 20px 25px -5px rgba(71, 85, 105, 0.12), 0 10px 10px -5px rgba(71, 85, 105, 0.04);
  --shadow-glow-blue: 0 0 0 4px rgba(2, 132, 199, 0.2);
  --shadow-glow-orange: 0 0 0 4px rgba(234, 88, 12, 0.2);
}

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

html {
  font-family: var(--font-family);
  color: var(--color-text-main);
  background-color: var(--color-bg-base);
  line-height: 1.7;
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

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

button, input, select, textarea {
  font: inherit;
  color: inherit;
  border: none;
  background: none;
  outline: none;
}

/* Skip Link for accessibility */
.skip-link {
  position: absolute;
  top: -100px;
  left: 20px;
  background: var(--color-accent-orange);
  color: #ffffff;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-sm);
  z-index: 9999;
  transition: top 0.2s ease;
  font-weight: 700;
  box-shadow: var(--shadow-lg);
}
.skip-link:focus {
  top: 20px;
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
}

/* Focus Ring Policy */
button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--color-accent-orange);
  outline-offset: 2px;
}

/* Visually Hidden */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* --- Interactive Elements & Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 2rem;
  font-size: 1rem;
  font-weight: 700;
  border-radius: 999px;
  cursor: pointer;
  transition: all var(--transition-normal);
  text-align: center;
  box-shadow: var(--shadow-sm);
}

.btn-primary {
  background-color: var(--color-accent-orange);
  color: #ffffff;
}
.btn-primary:hover,
.btn-primary:focus-visible {
  background-color: #d94e06;
  box-shadow: var(--shadow-glow-orange);
  transform: translateY(-2px);
}

.btn-secondary {
  background-color: #ffffff;
  color: var(--color-text-main);
  border: 3px solid var(--color-border);
}
.btn-secondary:hover,
.btn-secondary:focus-visible {
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-2px);
}

.btn-block {
  display: flex;
  width: 100%;
}

.btn-lg {
  padding: 1.1rem 3rem;
  font-size: 1.125rem;
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background-color: rgba(253, 250, 246, 0.9);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 2px dashed rgba(2, 132, 199, 0.15); /* Cheerful dashed border */
  z-index: 100;
  transition: background-color var(--transition-normal);
}

.header-container {
  max-width: var(--container-width);
  height: 100%;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo a {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-primary);
  font-family: var(--font-fancy);
  font-weight: 700;
  font-size: 1.5rem;
}
.logo-icon {
  color: var(--color-accent-yellow);
}
.brand-sub {
  color: var(--color-accent-orange);
}

/* Navigation Menu */
.nav-menu {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 2rem;
}

.nav-link {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--color-text-main);
  position: relative;
  padding: 0.5rem 0;
  transition: color var(--transition-normal);
}
.nav-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background-color: var(--color-primary);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition-normal);
  border-radius: 99px;
}
.nav-link:hover {
  color: var(--color-primary);
}
.nav-link:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav-btn {
  background-color: var(--color-primary);
  color: #ffffff;
  padding: 0.65rem 1.5rem;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.95rem;
  transition: all var(--transition-normal);
}
.nav-btn:hover {
  background-color: var(--color-primary-dark);
  transform: scale(1.05);
  box-shadow: var(--shadow-glow-blue);
}

/* Mobile Toggle Hamburger */
.menu-toggle {
  display: none;
  position: relative;
  width: 44px;
  height: 44px;
  cursor: pointer;
  z-index: 101;
  border-radius: var(--radius-sm);
  align-items: center;
  justify-content: center;
}

.hamburger {
  display: block;
  width: 22px;
  height: 3px;
  background-color: var(--color-text-main);
  position: relative;
  transition: background-color var(--transition-normal);
  border-radius: 99px;
}
.hamburger::before,
.hamburger::after {
  content: "";
  position: absolute;
  width: 22px;
  height: 3px;
  background-color: var(--color-text-main);
  left: 0;
  transition: transform var(--transition-normal), top var(--transition-normal);
  border-radius: 99px;
}
.hamburger::before { top: -7px; }
.hamburger::after { top: 7px; }

/* Menu open state for hamburger */
.menu-toggle[aria-expanded="true"] .hamburger {
  background-color: transparent;
}
.menu-toggle[aria-expanded="true"] .hamburger::before {
  top: 0;
  transform: rotate(45deg);
}
.menu-toggle[aria-expanded="true"] .hamburger::after {
  top: 0;
  transform: rotate(-45deg);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
  max-width: var(--container-width);
  margin: calc(var(--header-height) + 2rem) auto 4rem;
  padding: 0 1.5rem;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 4rem;
  min-height: calc(80vh - var(--header-height));
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.hero-tagline {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  background-color: var(--color-primary-light);
  padding: 0.4rem 1rem;
  border-radius: 999px;
  margin-bottom: 1.5rem;
  letter-spacing: 0.05em;
  border: 1px solid rgba(2, 132, 199, 0.15);
}

.hero-title {
  font-family: var(--font-fancy);
  font-size: clamp(2.25rem, 4.5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.25;
  color: var(--color-text-main);
  margin-bottom: 1.75rem;
  letter-spacing: -0.01em;
}

.hero-desc {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  margin-bottom: 2.75rem;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
}

/* Hero Image Grid (Playful arrangement) */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.hero-img-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  max-width: 460px;
  position: relative;
}
.hero-img-grid::before {
  content: "";
  position: absolute;
  width: 120px;
  height: 120px;
  background-color: var(--color-accent-yellow-light);
  border-radius: 50%;
  z-index: -1;
  top: -20px;
  right: -20px;
}

.grid-img-wrap {
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 4px solid #ffffff;
  transition: transform var(--transition-smooth);
}
.grid-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 1;
}

.grid-img-1 {
  transform: rotate(-4deg);
}
.grid-img-2 {
  transform: rotate(3deg) translateY(20px);
}
.grid-img-3 {
  grid-column: span 2;
  aspect-ratio: 2 / 1;
  transform: rotate(-1deg) translateY(10px);
}
.grid-img-3 img {
  aspect-ratio: 2 / 1;
}

.grid-img-wrap:hover {
  transform: scale(1.05) rotate(0deg);
  z-index: 2;
}

/* ==========================================================================
   Section Common Layout
   ========================================================================== */
section {
  padding: 6.5rem 0;
}

.section-container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section-header-center {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 4rem;
}

.section-subtitle {
  font-size: 0.95rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
  display: inline-block;
}

.section-title {
  font-family: var(--font-fancy);
  font-size: clamp(1.85rem, 3.2vw, 2.35rem);
  font-weight: 700;
  color: var(--color-text-main);
  position: relative;
  display: inline-block;
}
.section-title::after {
  content: "";
  position: absolute;
  bottom: -8px;
  left: 20%;
  right: 20%;
  height: 4px;
  background-color: var(--color-accent-yellow);
  border-radius: 99px;
}

/* ==========================================================================
   Features Section (3 Strengths)
   ========================================================================== */
.features-section {
  background-color: var(--color-bg-alt);
  position: relative;
}

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

.feature-card {
  background-color: var(--color-bg-card);
  padding: 3rem 2rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  border: 2px solid transparent;
}
.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

/* Color themed icon backings */
.feature-icon-wrapper {
  width: 76px;
  height: 76px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 2rem;
}
.feature-icon-wrapper.f-orange {
  color: var(--color-accent-orange);
  background-color: var(--color-accent-orange-light);
}
.feature-card:hover:has(.f-orange) {
  border-color: var(--color-accent-orange-light);
}

.feature-icon-wrapper.f-blue {
  color: var(--color-primary);
  background-color: var(--color-primary-light);
}
.feature-card:hover:has(.f-blue) {
  border-color: var(--color-primary-light);
}

.feature-icon-wrapper.f-yellow {
  color: var(--color-accent-yellow);
  background-color: var(--color-accent-yellow-light);
}
.feature-card:hover:has(.f-yellow) {
  border-color: var(--color-accent-yellow-light);
}

.feature-card h3 {
  font-family: var(--font-fancy);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  color: var(--color-text-main);
}

.feature-card p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ==========================================================================
   Courses Section (Alternating Detailed Rows)
   ========================================================================== */
.courses-detailed {
  display: flex;
  flex-direction: column;
  gap: 6rem;
}

.course-detail-row {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 4rem;
  align-items: center;
}
.course-detail-row.reverse {
  grid-template-columns: 1.1fr 1fr;
}
.course-detail-row.reverse .course-detail-image {
  grid-column: 2;
}
.course-detail-row.reverse .course-detail-content {
  grid-column: 1;
  grid-row: 1;
}

.course-detail-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 6px solid #ffffff;
  aspect-ratio: 1.4 / 1;
}
.course-detail-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-smooth);
}
.course-detail-row:hover .course-detail-image img {
  transform: scale(1.04);
}

.course-detail-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.course-detail-tag {
  font-size: 0.85rem;
  font-weight: 700;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1.25rem;
}
.course-detail-tag.c-orange {
  background-color: var(--color-accent-orange-light);
  color: var(--color-accent-orange);
}
.course-detail-tag.c-yellow {
  background-color: var(--color-accent-yellow-light);
  color: #c27803;
}
.course-detail-tag.c-blue {
  background-color: var(--color-primary-light);
  color: var(--color-primary);
}

.course-detail-content h3 {
  font-family: var(--font-fancy);
  font-size: clamp(1.4rem, 2.5vw, 1.85rem);
  font-weight: 700;
  margin-bottom: 0.75rem;
  line-height: 1.35;
}

.course-target {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-text-muted);
  margin-bottom: 1.25rem;
}

.course-text {
  color: var(--color-text-muted);
  font-size: 1rem;
  line-height: 1.75;
  margin-bottom: 1.75rem;
}

.course-benefits {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  width: 100%;
}
.course-benefits li {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-text-main);
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.course-benefits li::before {
  content: "";
  display: inline-block;
  width: 20px;
  height: 20px;
  background-color: var(--color-success);
  border-radius: 50%;
  flex-shrink: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' width='24' height='24'%3E%3Cpath fill='%23ffffff' d='M9,16.17L4.83,12L3.41,13.41L9,19L21,7L19.59,5.59L9,16.17Z'/%3E%3C/svg%3E");
  background-size: 0.75rem;
  background-position: center;
  background-repeat: no-repeat;
}

/* ==========================================================================
   Simulator Section (Tuition Calculator)
   ========================================================================== */
.simulator-section {
  background-color: var(--color-bg-alt);
}
.simulator-intro-text {
  color: var(--color-text-muted);
  font-size: 1.05rem;
  margin-top: 0.75rem;
}

.simulator-box {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 2.5rem;
  align-items: stretch;
}

.sim-card {
  background-color: var(--color-bg-card);
  border-radius: var(--radius-lg);
  padding: 3rem;
  box-shadow: var(--shadow-sm);
  border: 2px solid var(--color-border);
}

.sim-fieldset {
  border: none;
  display: flex;
  flex-direction: column;
  gap: 2.25rem;
}

.sim-legend-title {
  font-family: var(--font-fancy);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-text-main);
  margin-bottom: 1.5rem;
  width: 100%;
}

.sim-field-group {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.sim-field-label {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text-main);
}

/* Course Checkbox list as Cards */
.checkbox-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.custom-checkbox-card {
  display: block;
  position: relative;
  cursor: pointer;
  border-radius: var(--radius-md);
  border: 2px solid var(--color-border);
  background-color: var(--color-bg-base);
  transition: all var(--transition-normal);
}
.custom-checkbox-card input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.cb-card-inner {
  padding: 1rem 1.25rem 1rem 3rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
}

/* Custom indicator inside card */
.cb-card-inner::before {
  content: "";
  position: absolute;
  left: 1.25rem;
  top: 50%;
  transform: translateY(-50%);
  width: 1.35rem;
  height: 1.35rem;
  border: 2px solid var(--color-border);
  border-radius: 4px;
  background-color: #ffffff;
  transition: all var(--transition-normal);
}

.custom-checkbox-card:hover {
  border-color: var(--color-border-hover);
}

/* Checked state card styling using :has() */
.custom-checkbox-card:has(input:checked) {
  border-color: var(--color-primary);
  background-color: var(--color-primary-light);
}
.custom-checkbox-card:has(input:checked) .cb-card-inner::before {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' width='24' height='24'%3E%3Cpath fill='%23ffffff' d='M9,16.17L4.83,12L3.41,13.41L9,19L21,7L19.59,5.59L9,16.17Z'/%3E%3C/svg%3E");
  background-size: 0.85rem;
  background-position: center;
  background-repeat: no-repeat;
}

.custom-checkbox-card input:focus-visible + .cb-card-inner::before {
  outline: 3px solid var(--color-accent-orange);
  outline-offset: 2px;
}

.cb-subject {
  font-weight: 700;
  font-size: 1rem;
}
.cb-price {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--color-text-muted);
}
.custom-checkbox-card:has(input:checked) .cb-price {
  color: var(--color-primary-dark);
}

/* Custom Select Dropdowns */
select {
  width: 100%;
  min-height: 52px;
  padding: 0 1rem;
  border-radius: var(--radius-md);
  border: 2px solid var(--color-border);
  background-color: var(--color-bg-base);
  font-size: 1rem;
  color: var(--color-text-main);
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' width='24' height='24'%3E%3Cpath fill='%2357534e' d='M7.41,8.58L12,13.17L16.59,8.58L18,10L12,16L6,10L7.41,8.58Z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  background-size: 1.25rem;
  transition: all var(--transition-normal);
}
select:hover {
  border-color: var(--color-border-hover);
}
select:focus-visible {
  border-color: var(--color-primary);
}

/* Custom Toggle Switch for Options */
.custom-toggle-container {
  display: flex;
  align-items: center;
  gap: 1rem;
  cursor: pointer;
  user-select: none;
}
.custom-toggle-container input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.toggle-track {
  width: 52px;
  height: 28px;
  background-color: var(--color-border);
  border-radius: 99px;
  position: relative;
  transition: background-color var(--transition-normal);
  flex-shrink: 0;
}
.toggle-track::after {
  content: "";
  position: absolute;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background-color: #ffffff;
  top: 3px;
  left: 3px;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-smooth);
}

.custom-toggle-container input:checked + .toggle-track {
  background-color: var(--color-success);
}
.custom-toggle-container input:checked + .toggle-track::after {
  transform: translateX(24px);
}

.toggle-label-text {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-text-muted);
}
.custom-toggle-container:has(input:checked) .toggle-label-text {
  color: var(--color-text-main);
}

.custom-toggle-container input:focus-visible + .toggle-track {
  outline: 3px solid var(--color-accent-orange);
  outline-offset: 2px;
}

/* Result Card Styling */
.sim-results {
  background-color: var(--color-primary-dark);
  color: #ffffff;
  border: none;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.sim-results h3 {
  font-family: var(--font-fancy);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 2rem;
  border-bottom: 2px solid rgba(255, 255, 255, 0.15);
  padding-bottom: 1rem;
}

.sim-result-details {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  flex-grow: 1;
}

.sim-res-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.95rem;
  color: var(--color-primary-light);
}
.sim-res-row span:last-child {
  color: #ffffff;
  font-weight: 700;
}
.sim-res-row.discount span:last-child {
  color: var(--color-accent-yellow-light);
}

.sim-divider {
  border: 0;
  height: 2px;
  background-color: rgba(255, 255, 255, 0.15);
  margin: 1.25rem 0;
}

.sim-total-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2.5rem;
}
.total-label {
  display: flex;
  flex-direction: column;
}
.total-label span:first-child {
  font-size: 1.1rem;
  font-weight: 700;
}
.total-label .sub-label {
  font-size: 0.75rem;
  color: var(--color-primary-light);
  margin-top: 0.15rem;
}

.final-price-value {
  font-family: var(--font-fancy);
  font-size: 2.5rem;
  font-weight: 700;
  color: #ffffff;
  text-shadow: 0 2px 4px rgba(0,0,0,0.15);
}

.sim-result-actions {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.sim-result-actions .btn {
  background-color: var(--color-accent-orange);
  color: #ffffff;
  border: none;
  box-shadow: 0 6px 12px rgba(0,0,0,0.15);
}
.sim-result-actions .btn:hover {
  background-color: #d94e06;
  box-shadow: 0 8px 16px rgba(0,0,0,0.2);
}

.sim-estimate-notice {
  font-size: 0.8rem;
  color: var(--color-primary-light);
  line-height: 1.4;
}

/* ==========================================================================
   Booking Form Section
   ========================================================================== */
.reserve-section {
  background-color: var(--color-bg-base);
}
.reserve-intro-text {
  color: var(--color-text-muted);
  font-size: 1.05rem;
  margin-top: 0.75rem;
}

/* Assist Banner for School Hours */
.assist-alert-banner {
  max-width: 780px;
  margin: 0 auto 2.25rem;
  border-radius: var(--radius-md);
  padding: 1.1rem 1.4rem;
  box-shadow: var(--shadow-sm);
  background-color: var(--color-accent-yellow-light);
  border: 1px solid rgba(245, 158, 11, 0.25);
  color: #a16207;
}

.banner-inner {
  display: flex;
  gap: 0.85rem;
  align-items: center;
}
.alert-svg-icon {
  flex-shrink: 0;
  color: var(--color-accent-yellow);
}
.assist-alert-banner p {
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 1.5;
}

/* Booking Form */
.booking-form-container {
  max-width: 780px;
  margin: 0 auto;
  background-color: var(--color-bg-card);
  padding: 3.5rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border: 2px solid var(--color-border);
}

.form-fieldset-group {
  border: none;
  margin-bottom: 2.75rem;
}

.form-legend-header {
  font-family: var(--font-fancy);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-text-main);
  margin-bottom: 1.75rem;
  border-left: 5px solid var(--color-primary);
  padding-left: 0.85rem;
  width: 100%;
}

.form-row-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.75rem;
  margin-bottom: 1.75rem;
}

.form-field-unit {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  position: relative;
}

.form-field-unit label,
.form-field-label-text {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-text-main);
}

.badge-req {
  background-color: var(--color-accent-orange);
  color: #ffffff;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  margin-left: 0.25rem;
  vertical-align: middle;
}

/* Input elements */
input[type="text"],
input[type="email"],
input[type="tel"],
input[type="date"],
textarea {
  width: 100%;
  min-height: 52px;
  padding: 0.85rem 1.1rem;
  border-radius: var(--radius-md);
  border: 2px solid var(--color-border);
  background-color: var(--color-bg-base);
  font-size: 1rem;
  color: var(--color-text-main);
  transition: all var(--transition-normal);
}

textarea {
  resize: vertical;
}

input:hover,
textarea:hover {
  border-color: var(--color-border-hover);
}

input:focus,
textarea:focus {
  border-color: var(--color-primary);
  background-color: var(--color-bg-card);
  box-shadow: var(--shadow-glow-blue);
}

.field-hint {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  line-height: 1.4;
}

.field-error {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-error);
  display: none;
  margin-top: 0.25rem;
}

/* Form Validation Styling using :user-invalid and :has() */
input:user-invalid,
select:user-invalid {
  border-color: var(--color-error);
  background-color: var(--color-error-light);
}

.form-field-unit:has(:user-invalid) .field-error {
  display: block;
}

/* Horizontal Checkbox Grid Row for Course selection */
.checkbox-group-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 0.25rem;
}

.form-checkbox-label {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 700;
  transition: all var(--transition-normal);
  background-color: var(--color-bg-base);
  text-align: center;
}
.form-checkbox-label input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.form-checkbox-label:hover {
  border-color: var(--color-border-hover);
}

/* Checked state cards in Form */
.form-checkbox-label:has(input:checked) {
  border-color: var(--color-accent-orange);
  background-color: var(--color-accent-orange-light);
  color: var(--color-accent-orange);
}

/* Helper note box */
.info-helper-box {
  background-color: var(--color-primary-light);
  border: 2px dashed rgba(2, 132, 199, 0.25);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  margin: 1rem 0 1.75rem;
  animation: slide-down 0.4s ease-out forwards;
}
.info-helper-box h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 0.5rem;
}
.info-helper-box ul {
  list-style-position: inside;
  font-size: 0.875rem;
  color: var(--color-text-main);
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

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

.mb-1-5 {
  margin-bottom: 1.5rem;
}

.form-submit-row {
  display: flex;
  justify-content: center;
  border-top: 2px dashed var(--color-border);
  padding-top: 2.75rem;
  margin-top: 2rem;
}

/* ==========================================================================
   FAQ Section (Accordions)
   ========================================================================== */
.faq-section {
  background-color: var(--color-bg-alt);
}

.faq-accordion-group {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.faq-disclosure {
  background-color: var(--color-bg-card);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 2px solid var(--color-border);
  overflow: hidden;
  transition: all var(--transition-normal);
}
.faq-disclosure:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-border-hover);
}
.faq-disclosure[open] {
  border-color: var(--color-primary-light);
}

.faq-summary {
  padding: 1.5rem;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-text-main);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  list-style: none;
  user-select: none;
}
.faq-summary::-webkit-details-marker {
  display: none;
}

/* Interactive plus/minus indicator */
.faq-icon-indicator {
  width: 22px;
  height: 22px;
  position: relative;
  flex-shrink: 0;
  transition: transform var(--transition-normal);
}
.faq-icon-indicator::before,
.faq-icon-indicator::after {
  content: "";
  position: absolute;
  background-color: var(--color-text-muted);
  transition: all var(--transition-normal);
}
/* Horizontal */
.faq-icon-indicator::before {
  width: 14px;
  height: 3px;
  top: 10px;
  left: 4px;
  border-radius: 99px;
}
/* Vertical */
.faq-icon-indicator::after {
  width: 3px;
  height: 14px;
  top: 4px;
  left: 10px;
  border-radius: 99px;
}

.faq-disclosure[open] .faq-summary .faq-icon-indicator {
  transform: rotate(45deg);
}
.faq-disclosure[open] .faq-summary .faq-icon-indicator::before,
.faq-disclosure[open] .faq-summary .faq-icon-indicator::after {
  background-color: var(--color-primary);
}

/* Answer content */
.faq-answer {
  padding: 0 1.5rem 1.5rem;
  color: var(--color-text-muted);
  font-size: 0.975rem;
  line-height: 1.65;
  border-top: 1px solid transparent;
  animation: fade-in-faq 0.3s ease-out forwards;
}
.faq-disclosure[open] .faq-answer {
  border-top-color: var(--color-border);
}

@keyframes fade-in-faq {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background-color: #2e2a25; /* Soft dark warm cocoa */
  color: #ffffff;
  padding: 5.5rem 0 2rem;
  border-top: 6px solid var(--color-accent-yellow);
}

.footer-container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr 1fr;
  gap: 4.5rem;
  margin-bottom: 4.5rem;
}

.footer-brand-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-fancy);
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--color-primary-light);
  margin-bottom: 1.75rem;
}
.footer-brand-logo .logo-icon {
  color: var(--color-accent-yellow);
}

.footer-postal-addr {
  font-size: 0.95rem;
  color: #ebdcb9;
  line-height: 1.6;
  margin-bottom: 1rem;
}

.footer-phone-number {
  font-size: 1.25rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 1.25rem;
}

.footer-business-hours {
  font-size: 0.85rem;
  color: #a8a29e;
  line-height: 1.6;
}

.footer-links-col h4,
.footer-map-col h4 {
  font-family: var(--font-fancy);
  font-size: 1.15rem;
  color: #ffffff;
  margin-bottom: 1.75rem;
  position: relative;
  padding-bottom: 0.5rem;
}
.footer-links-col h4::after,
.footer-map-col h4::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 45px;
  height: 3px;
  background-color: var(--color-accent-yellow);
  border-radius: 99px;
}

.footer-links-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}
.footer-links-col a {
  font-size: 0.95rem;
  color: #ebdcb9;
  transition: all var(--transition-normal);
}
.footer-links-col a:hover {
  color: var(--color-accent-yellow-light);
  padding-left: 6px;
}

/* Access Map */
.footer-map-outer-shell {
  width: 100%;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 10px 20px rgba(0,0,0,0.25);
  border: 1px solid #44403c;
}
.access-svg-canvas {
  width: 100%;
  height: auto;
  display: block;
}

.footer-bottom-bar {
  border-top: 1px solid #44403c;
  padding-top: 2rem;
  text-align: center;
}
.footer-bottom-bar p {
  font-size: 0.85rem;
  color: #a8a29e;
}

/* ==========================================================================
   Completion Dialog (Modal Popup)
   ========================================================================== */
.completion-dialog {
  border: none;
  border-radius: var(--radius-lg);
  padding: 0;
  box-shadow: var(--shadow-lg);
  max-width: 600px;
  width: 90%;
  margin: auto;
  overflow: hidden;
  background-color: var(--color-bg-card);
}

.completion-dialog::backdrop {
  background-color: rgba(46, 42, 37, 0.65);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  animation: fade-in-backdrop 0.3s ease-out;
}

.dialog-inner {
  padding: 3.5rem 3rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  animation: pop-up-dialog 0.45s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.dialog-icon-shield {
  width: 88px;
  height: 88px;
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.75rem;
}

.dialog-inner h2 {
  font-family: var(--font-fancy);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-text-main);
  margin-bottom: 1.25rem;
  line-height: 1.4;
}

.dialog-body-text {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: 1.75rem;
}

.booking-receipt-box {
  width: 100%;
  background-color: var(--color-bg-base);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  margin-bottom: 2.25rem;
  text-align: left;
  border: 2px dashed var(--color-primary-light);
}
.booking-receipt-box h3 {
  font-family: var(--font-fancy);
  font-size: 1.1rem;
  color: var(--color-primary-dark);
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 0.5rem;
}

.receipt-list {
  display: grid;
  grid-template-columns: auto 1fr;
  row-gap: 0.85rem;
  column-gap: 1.5rem;
  font-size: 0.9rem;
}
.receipt-list dt {
  font-weight: 700;
  color: var(--color-text-muted);
}
.receipt-list dd {
  color: var(--color-text-main);
}

.dialog-actions-row {
  width: 100%;
  display: flex;
  justify-content: center;
}

@keyframes fade-in-backdrop {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes pop-up-dialog {
  from { opacity: 0; transform: scale(0.88) translateY(24px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 1024px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 3.5rem;
    text-align: center;
    margin-top: calc(var(--header-height) + 1rem);
  }
  .hero-content {
    align-items: center;
  }
  .hero-actions {
    justify-content: center;
  }
  
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .course-detail-row,
  .course-detail-row.reverse {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .course-detail-row.reverse .course-detail-image {
    grid-column: 1;
  }
  .course-detail-row.reverse .course-detail-content {
    grid-column: 1;
  }
  .course-detail-image {
    max-width: 580px;
    margin: 0 auto;
    width: 100%;
  }
  
  .simulator-box {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 70px;
  }
  
  section {
    padding: 4.5rem 0;
  }
  
  /* Drawer Mobile Navigation */
  .menu-toggle {
    display: flex;
  }
  
  .nav-menu {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    height: calc(100vh - var(--header-height));
    background-color: var(--color-bg-base);
    padding: 3rem 1.5rem;
    box-shadow: var(--shadow-lg);
    transform: translateX(100%);
    transition: transform var(--transition-normal);
    z-index: 99;
    flex-direction: column;
    justify-content: flex-start;
  }
  
  .nav-menu.active {
    transform: translateX(0);
  }
  
  .nav-list {
    flex-direction: column;
    gap: 2rem;
    width: 100%;
    text-align: center;
  }
  
  .nav-link {
    font-size: 1.15rem;
    display: block;
    width: 100%;
  }
  
  .nav-btn {
    display: inline-block;
    width: 80%;
    font-size: 1.1rem;
    padding: 0.85rem;
  }
  
  /* Grid Layouts Stacked */
  .features-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
  }
  
  .booking-form-container {
    padding: 2rem 1.5rem;
  }
  
  .form-row-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
    margin-bottom: 0;
  }
  .form-field-unit {
    margin-bottom: 1.25rem;
  }
  
  .checkbox-group-row {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 3.5rem;
  }
}