@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;700&family=Noto+Sans+JP:wght@400;500;700&family=Noto+Serif+JP:wght@700&display=swap');

/* --- Custom Properties --- */
:root {
  /* Color Palette (テラコッタレッド & スレートグレー) */
  --color-primary: #b23b25;      /* 瓦テラコッタレッド */
  --color-primary-dark: #7a2212; /* 深い瓦レッド */
  --color-primary-light: #fdf2f0;/* 瓦レッド淡背景 */
  
  --color-slate-dark: #2d3748;   /* スレートダークグレー（ベーストーン） */
  --color-slate-deep: #1e293b;   /* より深いグレー */
  --color-slate-light: #64748b;  /* テキストミュート用 */
  
  --color-accent: #f59e0b;       /* サンシャインイエロー（アクセント） */
  --color-accent-dark: #d97706;  /* 暗めのアクセント */
  
  --color-bg-base: #f8fafc;      /* 標準背景色 */
  --color-bg-white: #ffffff;
  --color-bg-dark: #1e293b;      /* ダーク背景用 */
  
  --color-success: #16a34a;      /* バリデーション成功 */
  --color-error: #dc2626;        /* エラー色 */
  --color-error-light: #fef2f2;  /* エラー時背景色 */
  
  --color-border: #e2e8f0;       /* 罫線 */
  
  /* Fonts */
  --font-serif: 'Noto Serif JP', 'Georgia', serif;
  --font-sans: 'Inter', 'Noto Sans JP', sans-serif;
  
  /* Spacing & Layout */
  --container-max-width: 1200px;
  --header-height: 80px;
  --border-radius: 12px;
  --border-radius-sm: 8px;
  --transition-normal: 0.3s ease;
  
  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-premium: 0 20px 25px -5px rgba(178, 59, 37, 0.1), 0 10px 10px -5px rgba(178, 59, 37, 0.04);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 20px);
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg-base);
  color: var(--color-slate-deep);
  line-height: 1.65;
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
}

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-sans);
  margin-top: 0;
  color: var(--color-slate-dark);
}

p {
  margin-top: 0;
  margin-bottom: 1.5rem;
}

/* --- Accessibility (A11y) --- */
.skip-link {
  position: absolute;
  top: -100px;
  left: 20px;
  background-color: var(--color-primary);
  color: white;
  padding: 10px 20px;
  border-radius: 0 0 5px 5px;
  z-index: 9999;
  text-decoration: none;
  font-weight: bold;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 0;
}

:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* --- Common Layout & Containers --- */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}

.section {
  padding: 80px 0;
}

.section-alt {
  background-color: var(--color-bg-white);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 50px auto;
}

.section-title {
  font-family: var(--font-serif);
  font-size: 2.25rem;
  font-weight: 700;
  margin-bottom: 15px;
  position: relative;
  display: inline-block;
  color: var(--color-slate-dark);
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background-color: var(--color-primary);
}

.section-subtitle {
  color: var(--color-slate-light);
  font-size: 1.125rem;
}

/* --- Buttons & Badges --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  font-size: 1rem;
  font-weight: 700;
  border-radius: var(--border-radius);
  transition: all var(--transition-normal);
  cursor: pointer;
  text-decoration: none;
  border: 2px solid transparent;
  text-align: center;
}

.btn-primary {
  background-color: var(--color-primary);
  color: white;
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-primary:active {
  transform: translateY(0);
}

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

.btn-outline:hover {
  background-color: var(--color-primary);
  color: white;
  transform: translateY(-2px);
}

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

.btn-lg {
  padding: 16px 36px;
  font-size: 1.125rem;
}

.btn-sm {
  padding: 8px 18px;
  font-size: 0.875rem;
  border-radius: var(--border-radius-sm);
}

.badge {
  display: inline-block;
  padding: 3px 8px;
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: 4px;
  vertical-align: middle;
}

.badge-required {
  background-color: var(--color-error);
  color: white;
  margin-left: 6px;
}

/* --- Header & Navigation --- */
.header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
  display: flex;
  align-items: center;
  transition: all var(--transition-normal);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.logo {
  text-decoration: none;
  color: var(--color-slate-dark);
}

.logo-text {
  display: block;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--color-slate-light);
}

.logo-main {
  display: block;
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--color-primary);
  letter-spacing: 0.02em;
  margin-top: 2px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-link {
  text-decoration: none;
  color: var(--color-slate-dark);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color var(--transition-normal);
  position: relative;
  padding: 8px 0;
}

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

.nav-link:hover {
  color: var(--color-primary);
}

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

/* Menu Toggle Button (Mobile) */
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 30px;
  height: 21px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 1100;
}

.menu-toggle span {
  width: 100%;
  height: 3px;
  background-color: var(--color-slate-dark);
  border-radius: 3px;
  transition: all var(--transition-normal);
  transform-origin: left center;
}

/* --- Hero Section --- */
.hero {
  background-color: var(--color-bg-white);
  padding: 60px 0 80px 0;
  position: relative;
  overflow: hidden;
}

.hero-container {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: center;
}

.hero-content {
  z-index: 10;
}

.hero-sub {
  display: inline-block;
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 20px;
  border: 1px solid rgba(178, 59, 37, 0.15);
}

.hero-title {
  font-family: var(--font-serif);
  font-size: 3rem;
  line-height: 1.25;
  margin-bottom: 25px;
  color: var(--color-slate-deep);
}

.hero-title .highlight {
  color: var(--color-primary);
  position: relative;
  display: inline-block;
}

.hero-title .highlight::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 0;
  width: 100%;
  height: 8px;
  background-color: rgba(245, 158, 11, 0.2);
  z-index: -1;
}

.hero-lead {
  font-size: 1.1rem;
  color: var(--color-slate-light);
  margin-bottom: 35px;
  line-height: 1.75;
}

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

.hero-image-wrapper {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-svg {
  filter: drop-shadow(0 20px 30px rgba(15, 23, 42, 0.08));
}

.hero-wave {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 60px;
  overflow: hidden;
  line-height: 0;
}

.hero-wave svg {
  position: relative;
  display: block;
  width: calc(100% + 1.3px);
  height: 60px;
}

/* --- Emergency Steps Section --- */
.emergency-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-top: 20px;
}

.emergency-card {
  background-color: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: 35px 30px;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-sm);
  position: relative;
}

.emergency-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background-color: var(--color-border);
  transition: background-color var(--transition-normal);
  border-radius: var(--border-radius) var(--border-radius) 0 0;
}

.emergency-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(178, 59, 37, 0.15);
}

.emergency-card:hover::before {
  background-color: var(--color-primary);
}

.emergency-icon-box {
  font-size: 2.5rem;
  margin-bottom: 20px;
  display: inline-block;
  line-height: 1;
}

.emergency-card-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 15px;
  color: var(--color-slate-dark);
}

.emergency-card-desc {
  font-size: 0.95rem;
  color: var(--color-slate-light);
  margin-bottom: 0;
  line-height: 1.6;
}

/* --- Simulator Section --- */
.simulator-card {
  background-color: var(--color-bg-white);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-premium);
  border: 1px solid rgba(178, 59, 37, 0.08);
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  overflow: hidden;
  margin-top: 30px;
}

.simulator-inputs {
  padding: 40px;
}

.sim-group {
  margin-bottom: 30px;
}

.sim-group:last-child {
  margin-bottom: 0;
}

.sim-label {
  display: block;
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 15px;
  color: var(--color-slate-dark);
}

.sim-group select {
  width: 100%;
  padding: 12px 16px;
  font-size: 1rem;
  border-radius: var(--border-radius-sm);
  border: 1px solid var(--color-border);
  background-color: var(--color-bg-base);
  color: var(--color-slate-deep);
  cursor: pointer;
  transition: all var(--transition-normal);
}

.sim-group select:focus {
  outline: none;
  border-color: var(--color-primary);
  background-color: white;
}

/* Radio Card Styles */
.radio-card-grid {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.radio-card-label {
  display: block;
  cursor: pointer;
  position: relative;
}

.radio-card-label input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.radio-card-content {
  display: block;
  padding: 16px 20px;
  border: 2px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  background-color: var(--color-bg-base);
  transition: all var(--transition-normal);
}

.radio-card-label input[type="radio"]:checked + .radio-card-content {
  border-color: var(--color-primary);
  background-color: var(--color-primary-light);
}

.radio-title {
  display: block;
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 4px;
  color: var(--color-slate-dark);
}

.radio-card-label input[type="radio"]:checked + .radio-card-content .radio-title {
  color: var(--color-primary);
}

.radio-detail {
  display: block;
  font-size: 0.85rem;
  color: var(--color-slate-light);
  line-height: 1.5;
}

/* Checkbox Card Style */
.checkbox-card-label {
  display: block;
  cursor: pointer;
  position: relative;
}

.checkbox-card-label input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.checkbox-card-content {
  display: block;
  padding: 16px 20px;
  border: 2px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  background-color: var(--color-bg-base);
  transition: all var(--transition-normal);
}

.checkbox-card-label input[type="checkbox"]:checked + .checkbox-card-content {
  border-color: var(--color-primary);
  background-color: var(--color-primary-light);
}

.checkbox-title {
  display: block;
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 4px;
  color: var(--color-slate-dark);
  position: relative;
  padding-left: 28px;
}

.checkbox-title::before {
  content: '';
  position: absolute;
  left: 0;
  top: 2px;
  width: 18px;
  height: 18px;
  border: 2px solid var(--color-slate-light);
  border-radius: 4px;
  background-color: white;
  transition: all var(--transition-normal);
}

.checkbox-card-label input[type="checkbox"]:checked + .checkbox-card-content .checkbox-title::before {
  border-color: var(--color-primary);
  background-color: var(--color-primary);
}

.checkbox-card-label input[type="checkbox"]:checked + .checkbox-card-content .checkbox-title::after {
  content: '';
  position: absolute;
  left: 6px;
  top: 5px;
  width: 6px;
  height: 10px;
  border: stroke 2px white;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.checkbox-detail {
  display: block;
  padding-left: 28px;
  font-size: 0.85rem;
  color: var(--color-slate-light);
  line-height: 1.5;
}

.checkbox-card-label input[type="checkbox"]:checked + .checkbox-card-content .checkbox-title {
  color: var(--color-primary);
}

/* Simulator Output Sidebar */
.simulator-outputs {
  background-color: var(--color-slate-dark);
  color: white;
  padding: 40px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.output-title {
  color: white;
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 25px;
  padding-bottom: 15px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.output-row {
  margin-bottom: 25px;
}

.border-top {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 25px;
}

.output-label {
  display: block;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 8px;
}

.output-price-box {
  display: flex;
  align-items: baseline;
}

.price-currency {
  font-size: 1.5rem;
  font-weight: 700;
  margin-right: 4px;
}

.price-value {
  font-size: 2.75rem;
  font-weight: 700;
  line-height: 1;
}

.price-period {
  font-size: 1.1rem;
  margin-left: 4px;
  color: rgba(255, 255, 255, 0.7);
}

.loan-conditions {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.5);
  margin-top: 8px;
  margin-bottom: 0;
}

.output-breakdown {
  background-color: rgba(255, 255, 255, 0.05);
  border-radius: var(--border-radius-sm);
  padding: 15px;
  font-size: 0.85rem;
  line-height: 1.6;
  margin-bottom: 25px;
  color: rgba(255, 255, 255, 0.9);
}

.output-disclaimer {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.5);
  line-height: 1.5;
  margin-bottom: 30px;
}

/* --- Case Studies (施工事例) --- */
.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.case-card {
  background-color: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: 30px;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow-sm);
}

.case-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(178, 59, 37, 0.15);
}

.case-category {
  display: inline-block;
  align-self: flex-start;
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 4px;
  margin-bottom: 15px;
}

.case-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--color-slate-dark);
  line-height: 1.4;
}

.case-desc {
  font-size: 0.9rem;
  color: var(--color-slate-light);
  margin-bottom: 20px;
  line-height: 1.6;
  flex-grow: 1;
}

.case-results {
  border-top: 1px solid var(--color-border);
  padding-top: 15px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.result-label {
  font-size: 0.8rem;
  color: var(--color-slate-light);
}

.result-val {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-primary);
}

/* --- FAQ Section --- */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

details.faq-item {
  background-color: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  margin-bottom: 16px;
  overflow: hidden;
  transition: border-color var(--transition-normal);
}

details.faq-item:hover {
  border-color: rgba(178, 59, 37, 0.2);
}

details.faq-item[open] {
  border-color: rgba(178, 59, 37, 0.3);
  box-shadow: var(--shadow-sm);
}

summary.faq-question {
  padding: 20px 24px;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--color-slate-dark);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  user-select: none;
}

summary.faq-question::-webkit-details-marker {
  display: none;
}

summary.faq-question::marker {
  display: none;
}

.faq-icon {
  width: 20px;
  height: 20px;
  position: relative;
  transition: transform 0.3s ease;
  flex-shrink: 0;
  margin-left: 15px;
}

.faq-icon::before,
.faq-icon::after {
  content: '';
  position: absolute;
  background-color: var(--color-primary);
  transition: transform 0.3s ease;
}

.faq-icon::before {
  top: 9px;
  left: 2px;
  width: 16px;
  height: 2px;
}

.faq-icon::after {
  top: 2px;
  left: 9px;
  width: 2px;
  height: 16px;
}

details.faq-item[open] .faq-icon {
  transform: rotate(45deg);
}

/* Smooth Height transition using CSS Grid technique */
.faq-answer-wrapper {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
}

details.faq-item[open] .faq-answer-wrapper {
  grid-template-rows: 1fr;
}

.faq-answer {
  min-height: 0;
  padding: 0 24px 20px 24px;
  color: var(--color-slate-light);
  line-height: 1.7;
  font-size: 0.95rem;
  border-top: 1px solid transparent;
}

details.faq-item[open] .faq-answer {
  border-top-color: var(--color-border);
}

/* --- Office Info & Map --- */
.info-flex {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: start;
}

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

.info-table th,
.info-table td {
  padding: 16px 20px;
  border-bottom: 1px solid var(--color-border);
}

.info-table th {
  font-weight: 700;
  color: var(--color-slate-dark);
  width: 140px;
  vertical-align: top;
  background-color: rgba(178, 59, 37, 0.02);
}

.info-table td {
  color: var(--color-slate-deep);
}

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

.info-map {
  background-color: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: 20px;
  box-shadow: var(--shadow-sm);
}

.map-svg {
  width: 100%;
  height: auto;
  border-radius: var(--border-radius-sm);
  border: 1px solid var(--color-border);
}

.map-link-container {
  margin-top: 15px;
  text-align: center;
}

.map-link-btn {
  display: inline-block;
  font-size: 0.85rem;
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 700;
  transition: color var(--transition-normal);
}

.map-link-btn:hover {
  color: var(--color-primary-dark);
  text-decoration: underline;
}

/* --- Contact & Request Section --- */
.contact-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 40px;
  align-items: start;
}

.contact-lead-box {
  background-color: var(--color-primary-light);
  border: 2px dashed rgba(178, 59, 37, 0.25);
  border-radius: var(--border-radius);
  padding: 30px;
  margin-bottom: 30px;
  position: relative;
}

.contact-lead-box h3 {
  color: var(--color-primary);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 15px;
}

.tel-number {
  font-family: var(--font-serif);
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: 10px;
}

.tel-hours {
  font-size: 0.85rem;
  color: var(--color-slate-light);
  margin-bottom: 15px;
}

.tel-desc {
  font-size: 0.9rem;
  color: var(--color-slate-dark);
  margin-bottom: 0;
}

.contact-notice-box {
  background-color: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: 30px;
}

.contact-notice-box h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-slate-dark);
  margin-bottom: 15px;
  border-bottom: 2px solid var(--color-accent);
  padding-bottom: 10px;
}

.contact-notice-box p {
  font-size: 0.9rem;
  color: var(--color-slate-light);
  margin-bottom: 0;
  line-height: 1.6;
}

/* Form Styles */
.contact-form-col {
  background-color: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: 40px;
  box-shadow: var(--shadow-sm);
}

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

.form-label-header {
  display: block;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--color-slate-dark);
  margin-bottom: 10px;
}

.form-label {
  display: block;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--color-slate-dark);
  margin-bottom: 8px;
}

.form-field-hint {
  font-size: 0.8rem;
  color: var(--color-slate-light);
  margin-top: -6px;
  margin-bottom: 12px;
}

.form-radio-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.form-radio-label {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  cursor: pointer;
  font-size: 0.95rem;
}

.form-radio-label input[type="radio"] {
  margin-top: 4px;
  flex-shrink: 0;
  accent-color: var(--color-primary);
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"],
.form-group input[type="date"],
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  font-size: 1rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  background-color: var(--color-bg-base);
  color: var(--color-slate-deep);
  transition: all var(--transition-normal);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  background-color: white;
  box-shadow: 0 0 0 4px rgba(178, 59, 37, 0.1);
}

/* Date Time Picker Fields */
.date-time-flex {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 15px;
  margin-bottom: 12px;
}

.date-time-flex:last-of-type {
  margin-bottom: 0;
}

/* CSS Native Validation (:user-invalid / :user-valid) */
.error-message {
  display: none;
  color: var(--color-error);
  font-size: 0.8rem;
  font-weight: 700;
  margin-top: 6px;
}

/* Style field when invalid after user interaction */
.form-group input:user-invalid,
.form-group select:user-invalid,
.form-group textarea:user-invalid {
  border-color: var(--color-error);
  background-color: var(--color-error-light);
}

/* Trigger error message visibility */
.form-group input:user-invalid ~ .error-message,
.form-group select:user-invalid ~ .error-message,
.form-group textarea:user-invalid ~ .error-message {
  display: block;
}

/* Apply error state to custom groupings (e.g. date-time validation JS error classes) */
.form-group.has-error input,
.form-group.has-error select {
  border-color: var(--color-error);
  background-color: var(--color-error-light);
}

.form-group.has-error .error-message {
  display: block;
}

.form-group input:user-valid,
.form-group select:user-valid,
.form-group textarea:user-valid {
  border-color: var(--color-success);
}

/* Assist Box Styles */
.calendar-assist-banner {
  background-color: #fef3c7;
  border: 1px solid #f59e0b;
  border-radius: var(--border-radius-sm);
  padding: 12px 16px;
  font-size: 0.85rem;
  color: #b45309;
  margin-bottom: 24px;
}

/* --- Footer --- */
.footer {
  background-color: var(--color-bg-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 60px 0 0 0;
  font-size: 0.9rem;
  border-top: 4px solid var(--color-primary);
}

.footer-container {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 1fr;
  gap: 40px;
  padding-bottom: 50px;
}

.footer-brand .logo-text {
  color: rgba(255, 255, 255, 0.4);
}

.footer-logo .text-white {
  color: white;
}

.footer-desc {
  margin-top: 15px;
  font-size: 0.85rem;
  line-height: 1.6;
}

.footer-nav-title {
  color: white;
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 20px;
}

.footer-nav-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-nav-links li {
  margin-bottom: 12px;
}

.footer-nav-links a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: color var(--transition-normal);
}

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

.footer-contact-info p {
  margin-bottom: 10px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 25px 0;
}

.footer-bottom-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 15px;
}

.copyright {
  margin-bottom: 0;
  font-size: 0.8rem;
}

.footer-a11y-msg {
  margin-bottom: 0;
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.4);
}

/* --- Dialog Modal --- */
.dialog-modal {
  border: none;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-lg);
  padding: 0;
  max-width: 500px;
  width: 90%;
  overflow: hidden;
  background-color: var(--color-bg-white);
}

.dialog-modal::backdrop {
  background-color: rgba(30, 41, 59, 0.6);
  backdrop-filter: blur(5px);
}

.dialog-content {
  padding: 40px 30px;
  text-align: center;
}

.dialog-icon-success {
  width: 60px;
  height: 60px;
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  font-size: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  margin: 0 auto 20px auto;
  font-weight: bold;
}

.dialog-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 15px;
}

.dialog-desc {
  color: var(--color-slate-light);
  margin-bottom: 20px;
  font-size: 0.95rem;
  line-height: 1.6;
}

.dialog-sub-desc {
  background-color: var(--color-bg-base);
  border-radius: var(--border-radius-sm);
  padding: 15px;
  font-size: 0.8rem;
  color: var(--color-slate-dark);
  line-height: 1.6;
  text-align: left;
  margin-bottom: 30px;
}

/* --- Responsive Media Queries --- */
@media (max-width: 1024px) {
  .hero-container {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }
  
  .hero-actions {
    justify-content: center;
  }
  
  .hero-image-wrapper {
    max-width: 450px;
    margin: 0 auto;
  }
  
  .simulator-card {
    grid-template-columns: 1fr;
  }
  
  .info-flex {
    grid-template-columns: 1fr;
  }
  
  .contact-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 60px 0;
  }

  .section-title {
    font-size: 1.75rem;
  }
  
  /* Navigation toggles on Mobile */
  .menu-toggle {
    display: flex;
  }
  
  .nav {
    position: fixed;
    top: var(--header-height);
    left: -100%;
    width: 100%;
    height: calc(100vh - var(--header-height));
    background-color: var(--color-bg-white);
    flex-direction: column;
    align-items: center;
    padding: 40px 20px;
    gap: 30px;
    transition: left var(--transition-normal);
    box-shadow: 0 10px 15px rgba(0,0,0,0.05);
    overflow-y: auto;
  }
  
  .nav.active {
    left: 0;
  }
  
  .nav-link {
    font-size: 1.1rem;
    width: 100%;
    text-align: center;
  }
  
  /* Hamburger Menu Animations */
  .menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(2px, -2px);
  }
  
  .menu-toggle.active span:nth-child(2) {
    opacity: 0;
  }
  
  .menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(2px, 2px);
  }
  
  /* Emergency Grid */
  .emergency-grid {
    grid-template-columns: 1fr;
  }
  
  /* Cases Grid */
  .cases-grid {
    grid-template-columns: 1fr;
  }
  
  /* Footer */
  .footer-container {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  
  .footer-bottom-container {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2.25rem;
  }
  
  .hero-actions {
    flex-direction: column;
    gap: 12px;
  }
  
  .btn {
    width: 100%;
  }
  
  .simulator-inputs,
  .simulator-outputs {
    padding: 20px;
  }
  
  .price-value {
    font-size: 2.25rem;
  }
  
  .contact-form-col {
    padding: 20px;
  }
  
  .date-time-flex {
    grid-template-columns: 1fr;
    gap: 10px;
  }
}