@charset "UTF-8";
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Noto+Serif+JP:wght@600;700&display=swap');

/* ==========================================================================
   Design System Tokens (CSS Custom Properties)
   ========================================================================== */
:root {
  /* Color Palette */
  --color-primary: #0f2d59;       /* Deep Trust Navy (信頼感あふれる深海ネイビー) */
  --color-primary-dark: #071936;  /* Darker Navy */
  --color-primary-light: #1e4d8c; /* Lighter Navy */
  --color-primary-bg: #f0f5fc;    /* Very Light Navy Background */
  
  --color-secondary: #a37a3e;     /* Prestige Gold (格式あるゴールド・ブロンズ) */
  --color-secondary-dark: #805e2c;/* Deep Gold */
  --color-secondary-light: #fdf6ec;/* Light Gold Background */
  
  --color-accent: #c25e00;        /* Active Amber (アクセント用のアクティブアンバー) */
  --color-accent-light: #fff7ed;
  
  --color-success: #15803d;       /* Forest Green (営業中ステータスなど) */
  --color-success-light: #dcfce7;
  
  --color-error: #b91c1c;         /* Warning Red (エラー・時間外など) */
  --color-error-light: #fee2e2;
  
  --color-bg-base: #ffffff;
  --color-bg-alt: #f8fafc;        /* Cool Slate Gray (知性的でスッキリとした背景) */
  --color-bg-card: #ffffff;
  
  --color-border: #cbd5e1;        /* Slate 300 */
  --color-border-dark: #475569;   /* Slate 600 */
  
  --color-text-main: #1e293b;     /* Slate 800 (高いコントラスト) */
  --color-text-muted: #475569;    /* Slate 600 */
  --color-text-light: #f8fafc;    /* Slate 50 */
  
  /* Typography */
  --font-serif: 'Noto Serif JP', Georgia, 'Hiragino Mincho ProN', serif;
  --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Hiragino Kaku Gothic ProN', sans-serif;
  --font-size-base: 1.05rem;      /* 視認性向上のため基本サイズを拡大 */
  --font-size-sm: 0.95rem;
  --font-size-xs: 0.85rem;
  --font-size-md: 1.25rem;
  --font-size-lg: 1.75rem;
  --font-size-xl: 2.25rem;
  --font-size-xxl: 2.75rem;
  
  --line-height-base: 1.75;
  --line-height-heading: 1.35;
  
  /* Layout & Spacing */
  --container-max-width: 1200px;
  --container-max-width-md: 800px;
  --border-radius: 4px;           /* 士業らしい、少し硬質で知的な角丸 */
  --transition-speed: 0.25s;
  
  /* Tap Target Guarantee */
  --min-tap-target: 48px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  scroll-padding-top: 90px; /* ヘッダー固定用の余白 */
  background-color: var(--color-bg-alt);
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  color: var(--color-text-main);
  background-color: var(--color-bg-base);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography Elements */
h1, h2, h3, h4 {
  margin-top: 0;
  margin-bottom: 0.5em;
  font-family: var(--font-serif);
  font-weight: 700;
  line-height: var(--line-height-heading);
  color: var(--color-primary);
}

p {
  margin-top: 0;
  margin-bottom: 1.5em;
  color: var(--color-text-muted);
}

a {
  color: var(--color-primary-light);
  text-decoration: none;
  transition: color var(--transition-speed) ease;
}

a:hover, a:focus {
  color: var(--color-secondary);
}

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

/* Accessibility Skip Link */
.skip-link {
  position: absolute;
  top: -100px;
  left: 0;
  background: var(--color-secondary);
  color: var(--color-text-light);
  padding: 10px 20px;
  z-index: 10000;
  transition: top 0.2s ease;
  font-weight: bold;
  border-radius: 0 0 var(--border-radius) 0;
}

.skip-link:focus {
  top: 0;
  outline: 2px solid var(--color-primary-light);
}

/* Common Layout Utilities */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

.container-md {
  width: 100%;
  max-width: var(--container-max-width-md);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

.section {
  padding-top: 80px;
  padding-bottom: 80px;
}

.bg-alt {
  background-color: var(--color-bg-alt);
}

.text-bold {
  font-weight: 700;
}

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

.highlight::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 8px;
  background-color: rgba(163, 122, 62, 0.15);
  z-index: -1;
}

.highlight-text {
  color: var(--color-secondary-dark);
  font-weight: bold;
}

/* --- Section Header --- */
.section-header {
  text-align: center;
  margin-bottom: 56px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.section-tag {
  display: inline-block;
  font-size: var(--font-size-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-secondary);
  margin-bottom: 12px;
  text-transform: uppercase;
  border-bottom: 1px solid var(--color-secondary);
  padding-bottom: 2px;
}

.section-title {
  font-size: var(--font-size-lg);
  margin-bottom: 16px;
}

.section-lead {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

@media (min-width: 768px) {
  .section-title {
    font-size: var(--font-size-xl);
  }
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-sans);
  font-weight: 600;
  text-align: center;
  border-radius: var(--border-radius);
  transition: all var(--transition-speed) ease;
  cursor: pointer;
  min-height: var(--min-tap-target);
  padding: 10px 24px;
  font-size: var(--font-size-sm);
  border: 2px solid transparent;
}

.btn-sm {
  min-height: 40px;
  padding: 6px 16px;
  font-size: var(--font-size-xs);
}

.btn-lg {
  min-height: 56px;
  padding: 12px 36px;
  font-size: var(--font-size-base);
}

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

.btn-primary {
  background-color: var(--color-secondary);
  color: var(--color-text-light);
}

.btn-primary:hover, .btn-primary:focus {
  background-color: var(--color-secondary-dark);
  color: var(--color-text-light);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(163, 122, 62, 0.25);
}

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

.btn-outline:hover, .btn-outline:focus {
  background-color: var(--color-secondary-light);
  color: var(--color-secondary-dark);
  transform: translateY(-2px);
}

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

.btn-outline-primary:hover, .btn-outline-primary:focus {
  background-color: var(--color-primary-bg);
  color: var(--color-primary-dark);
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-bg-alt);
  z-index: 1000;
  transition: all var(--transition-speed) ease;
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.logo {
  display: flex;
  align-items: center;
}

.logo-text {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  color: var(--color-text-muted);
  display: flex;
  flex-direction: column;
}

.logo-main {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  letter-spacing: 0.05em;
  color: var(--color-primary);
  line-height: 1.2;
  margin-top: 2px;
}

.menu-toggle {
  display: none; /* デスクトップでは非表示 */
}

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

.nav-link {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-main);
  padding: 8px 0;
  position: relative;
}

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

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

/* モバイルメニュー用メディアクエリ */
@media (max-width: 991px) {
  .menu-toggle {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 20px;
    background: transparent;
    border: none;
    padding: 0;
    cursor: pointer;
    z-index: 2000;
  }
  
  .menu-toggle span {
    width: 100%;
    height: 2px;
    background-color: var(--color-primary);
    transition: all var(--transition-speed) ease;
  }
  
  /* アクティブ時のトグル変形 */
  .menu-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
  }
  .menu-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
  }
  .menu-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
  }

  .nav {
    position: fixed;
    top: 80px;
    left: 0;
    width: 100%;
    height: calc(100vh - 80px);
    background-color: var(--color-bg-base);
    flex-direction: column;
    padding: 40px 24px;
    gap: 32px;
    transform: translateX(100%);
    transition: transform var(--transition-speed) cubic-bezier(0.4, 0, 0.2, 1);
    border-top: 1px solid var(--color-bg-alt);
    overflow-y: auto;
  }
  
  .nav.active {
    transform: translateX(0);
  }
  
  .nav-link {
    font-size: var(--font-size-md);
    width: 100%;
    text-align: center;
    border-bottom: 1px solid var(--color-bg-alt);
    padding-bottom: 16px;
  }
  
  .nav .btn {
    width: 100%;
    margin-top: 20px;
  }
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
  position: relative;
  background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
  padding-top: 160px;
  padding-bottom: 120px;
  overflow: hidden;
}

.hero-container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  align-items: center;
}

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

.hero-sub {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: var(--color-secondary);
  letter-spacing: 0.1em;
  margin-bottom: 16px;
}

.hero-title {
  font-size: var(--font-size-xl);
  line-height: 1.25;
  margin-bottom: 24px;
}

.hero-lead {
  font-size: 1.15rem;
  line-height: 1.7;
  color: var(--color-text-muted);
  margin-bottom: 40px;
}

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

.hero-image-wrapper {
  position: relative;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(15, 45, 89, 0.15);
}

.hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.hero-image-wrapper:hover .hero-img {
  transform: scale(1.03);
}

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

.hero-wave svg {
  display: block;
  width: 100%;
  height: 40px;
}

@media (min-width: 576px) {
  .hero-actions {
    flex-direction: row;
  }
}

@media (min-width: 992px) {
  .hero-container {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 64px;
  }
  .hero-title {
    font-size: var(--font-size-xxl);
  }
  .hero-wave svg {
    height: 80px;
  }
}

/* ==========================================================================
   Strengths Section
   ========================================================================== */
.strengths-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.strength-card {
  background-color: var(--color-bg-base);
  border: 1px solid var(--color-border);
  padding: 40px 32px;
  border-radius: var(--border-radius);
  transition: all var(--transition-speed) ease;
  border-top: 4px solid var(--color-primary);
}

.strength-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 30px rgba(15, 45, 89, 0.08);
  border-top-color: var(--color-secondary);
}

.strength-icon-box {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  border-radius: var(--border-radius);
  background-color: var(--color-primary-bg);
  color: var(--color-primary);
  margin-bottom: 24px;
}

.strength-card:hover .strength-icon-box {
  background-color: var(--color-secondary-light);
  color: var(--color-secondary);
}

.strength-card-title {
  font-size: 1.25rem;
  margin-bottom: 16px;
  font-family: var(--font-serif);
}

.strength-card-desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
  margin-bottom: 0;
}

@media (min-width: 768px) {
  .strengths-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ==========================================================================
   Services Section
   ========================================================================== */
.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.service-card {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-speed) ease;
}

.service-card:hover {
  box-shadow: 0 12px 30px rgba(15, 45, 89, 0.08);
  transform: translateY(-4px);
}

.service-badge {
  background-color: var(--color-primary);
  color: var(--color-text-light);
  font-size: var(--font-size-xs);
  font-weight: 700;
  padding: 8px 16px;
  text-align: center;
  letter-spacing: 0.05em;
}

.service-card:nth-child(2) .service-badge {
  background-color: var(--color-primary-light);
}

.service-card:nth-child(3) .service-badge {
  background-color: var(--color-secondary);
}

.service-body {
  padding: 32px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.service-card-title {
  font-size: var(--font-size-md);
  margin-bottom: 12px;
  font-family: var(--font-serif);
}

.service-desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  min-height: 60px;
  margin-bottom: 24px;
}

.price-box {
  background-color: var(--color-bg-alt);
  padding: 20px;
  border-radius: var(--border-radius);
  margin-bottom: 24px;
  border-left: 4px solid var(--color-secondary);
}

.price-label {
  display: block;
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  font-weight: 600;
  margin-bottom: 4px;
}

.price-value {
  display: block;
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--color-primary);
  font-family: var(--font-serif);
}

.price-unit {
  font-size: 1rem;
  font-weight: 500;
  font-family: var(--font-sans);
}

.price-note {
  display: block;
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-top: 4px;
}

.service-features-list {
  list-style: none;
  padding: 0;
  margin: 0 0 32px 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.service-features-list li {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  position: relative;
  padding-left: 20px;
}

.service-features-list li::before {
  content: '▪';
  position: absolute;
  left: 0;
  top: 0;
  color: var(--color-secondary);
}

.service-body .btn {
  margin-top: auto;
}

@media (min-width: 992px) {
  .services-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ==========================================================================
   Simulator Section (相続税シミュレーター)
   ========================================================================== */
.simulator-card {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  box-shadow: 0 8px 24px rgba(15, 45, 89, 0.05);
  display: grid;
  grid-template-columns: 1fr;
  overflow: hidden;
  border-left: 6px solid var(--color-secondary);
}

.sim-inputs {
  padding: 32px;
  background-color: var(--color-bg-base);
  border-bottom: 1px solid var(--color-bg-alt);
}

.sim-results {
  padding: 32px;
  background-color: var(--color-primary-bg);
  display: flex;
  flex-direction: column;
}

.form-group {
  margin-bottom: 28px;
}

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

.form-label {
  display: block;
  font-size: var(--font-size-sm);
  color: var(--color-text-main);
  margin-bottom: 12px;
}

/* Range input custom styles */
.range-wrapper {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.range-val-display {
  align-self: flex-start;
  background-color: var(--color-primary);
  color: var(--color-text-light);
  padding: 8px 16px;
  border-radius: var(--border-radius);
  font-weight: 700;
  font-size: 1.25rem;
}

.range-val-display .unit {
  font-size: var(--font-size-xs);
  font-weight: 500;
  margin-left: 4px;
}

input[type="range"] {
  -webkit-appearance: none;
  width: 100%;
  height: 8px;
  background: var(--color-border);
  border-radius: 4px;
  outline: none;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--color-secondary);
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(0,0,0,0.15);
  transition: transform 0.1s ease;
}

input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.1);
}

/* Counter styles for heirs input */
.counter-wrapper {
  display: flex;
  align-items: center;
  gap: 8px;
}

.btn-counter {
  width: 44px;
  height: 44px;
  border-radius: var(--border-radius);
  border: 1px solid var(--color-border);
  background-color: var(--color-bg-base);
  color: var(--color-text-main);
  font-size: 1.25rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-speed) ease;
}

.btn-counter:hover {
  background-color: var(--color-bg-alt);
  border-color: var(--color-border-dark);
}

#sim-heirs {
  width: 60px;
  height: 44px;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  text-align: center;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-primary);
  background-color: var(--color-bg-alt);
}

/* Result panel styles */
.result-header {
  font-size: 1.15rem;
  color: var(--color-primary);
  border-bottom: 2px solid var(--color-secondary);
  padding-bottom: 8px;
  margin-bottom: 20px;
}

.result-grid {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 24px;
}

.result-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--color-border);
}

.result-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.result-value {
  font-weight: 700;
  color: var(--color-text-main);
}

.highlight-item {
  border-bottom: none;
  background-color: rgba(255, 255, 255, 0.6);
  padding: 16px;
  border-radius: var(--border-radius);
  border: 1px solid rgba(163, 122, 62, 0.2);
}

.highlight-item .result-label {
  font-weight: 700;
  color: var(--color-primary);
}

.highlight-item .result-value {
  font-size: 1.4rem;
  color: var(--color-accent);
  font-family: var(--font-serif);
}

.result-verdict {
  font-size: var(--font-size-sm);
  line-height: 1.6;
  color: var(--color-text-muted);
  margin-bottom: 24px;
  background-color: #ffffff;
  padding: 16px;
  border-radius: var(--border-radius);
  border-left: 4px solid var(--color-primary);
}

.sim-action {
  margin-top: auto;
}

@media (min-width: 768px) {
  .simulator-card {
    grid-template-columns: 1fr 1fr;
    border-left: none;
    border-top: 6px solid var(--color-secondary);
  }
  .sim-inputs {
    border-bottom: none;
    border-right: 1px solid var(--color-bg-alt);
    padding: 40px;
  }
  .sim-results {
    padding: 40px;
  }
}

/* ==========================================================================
   Advisor Section (代表挨拶)
   ========================================================================== */
.advisor-flex {
  display: flex;
  flex-direction: column;
  gap: 48px;
  align-items: center;
}

.advisor-image {
  flex-shrink: 0;
  width: 100%;
  max-width: 380px;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  border: 6px solid var(--color-bg-base);
}

.advisor-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.advisor-info {
  flex-grow: 1;
}

.advisor-name {
  font-size: 1.8rem;
  margin-bottom: 4px;
  font-family: var(--font-serif);
}

.advisor-credentials {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-bottom: 24px;
}

.advisor-quote {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-primary-light);
  line-height: 1.5;
  border-left: 4px solid var(--color-secondary);
  padding-left: 16px;
  margin: 0 0 24px 0;
}

.advisor-history {
  margin-top: 40px;
  background-color: var(--color-bg-base);
  padding: 28px;
  border-radius: var(--border-radius);
  border: 1px solid var(--color-border);
}

.advisor-history h4 {
  font-size: var(--font-size-sm);
  margin-bottom: 20px;
  color: var(--color-primary);
  border-bottom: 1px solid var(--color-bg-alt);
  padding-bottom: 8px;
}

.history-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.history-list li {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  display: flex;
  gap: 16px;
}

.history-list li span {
  font-weight: 700;
  color: var(--color-primary);
  flex-shrink: 0;
  width: 70px;
}

@media (min-width: 992px) {
  .advisor-flex {
    flex-direction: row;
    align-items: flex-start;
    gap: 64px;
  }
}

/* ==========================================================================
   FAQ Section
   ========================================================================== */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* details styles */
.faq-item {
  background-color: var(--color-bg-base);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  overflow: hidden;
  transition: all var(--transition-speed) ease;
}

.faq-item[open] {
  border-color: var(--color-primary-light);
  box-shadow: 0 4px 12px rgba(15, 45, 89, 0.05);
}

/* summary element */
.faq-question {
  padding: 24px;
  font-weight: 700;
  font-size: var(--font-size-sm);
  color: var(--color-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  list-style: none; /* デフォルトの矢印を非表示 */
}

/* Safari用矢印非表示 */
.faq-question::-webkit-details-marker {
  display: none;
}

.faq-question span:first-child {
  padding-right: 16px;
}

/* カスタムトグル矢印アイコン */
.faq-icon {
  width: 24px;
  height: 24px;
  position: relative;
  flex-shrink: 0;
}

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

/* 横線 */
.faq-icon::before {
  top: 11px;
  left: 4px;
  width: 16px;
  height: 2px;
}

/* 縦線 */
.faq-icon::after {
  top: 4px;
  left: 11px;
  width: 2px;
  height: 16px;
}

.faq-item[open] .faq-icon::after {
  transform: rotate(90deg) scaleY(0); /* 縦線を消す */
}

.faq-item[open] .faq-icon::before {
  transform: rotate(180deg);
}

/* アサーティブトランジションのための内包コンテンツ */
.faq-answer-wrapper {
  overflow: hidden;
  transition: max-height 0.35s ease;
  max-height: 0; /* JSで動的に制御される */
}

/* アコーディオンが開いた状態のデフォルトフォールバック(JS無効時) */
.faq-item[open] .faq-answer-wrapper {
  max-height: 1000px;
}

.faq-answer {
  padding: 0 24px 24px 24px;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
  border-top: 1px solid var(--color-bg-alt);
  padding-top: 20px;
  background-color: var(--color-bg-alt);
}

/* detailsが[hidden="until-found"]のときの表示制御 */
.faq-item[hidden="until-found"] {
  display: block; /* ブラウザ標準の隠しモードを妨げない */
}

/* ==========================================================================
   Office Info & Map Section
   ========================================================================== */
.info-flex {
  display: flex;
  flex-direction: column;
  gap: 48px;
}

.info-details {
  flex-grow: 1;
}

.status-badge-wrapper {
  margin-bottom: 24px;
}

.status-badge {
  display: inline-block;
  padding: 8px 16px;
  border-radius: var(--border-radius);
  font-size: var(--font-size-xs);
  font-weight: 700;
  border: 1.5px solid var(--color-border);
  color: var(--color-text-light);
}

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

.info-table th, .info-table td {
  padding: 16px 0;
  border-bottom: 1px solid var(--color-border);
  font-size: var(--font-size-sm);
  vertical-align: top;
}

.info-table th {
  font-weight: 700;
  color: var(--color-primary);
  width: 120px;
  text-align: left;
}

.info-table td {
  color: var(--color-text-muted);
}

.info-map-container {
  flex-shrink: 0;
  width: 100%;
}

.svg-map-wrapper {
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(15, 45, 89, 0.05);
}

.svg-map {
  display: block;
}

.map-note {
  margin-top: 16px;
  background-color: var(--color-bg-base);
  padding: 16px;
  border-radius: var(--border-radius);
  border: 1.5px solid var(--color-border);
}

.map-note p {
  margin: 0;
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  line-height: 1.6;
}

@media (min-width: 992px) {
  .info-flex {
    flex-direction: row;
    gap: 64px;
    align-items: flex-start;
  }
  .info-map-container {
    width: 450px;
  }
  .info-table th {
    width: 150px;
  }
}

/* ==========================================================================
   Booking & Consultation Form (お問合せ・相談フォーム)
   ========================================================================== */
.form-container {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: 32px;
  box-shadow: 0 12px 30px rgba(15, 45, 89, 0.05);
  transition: all var(--transition-speed) ease;
}

/* :has() と :user-invalid によるフォーム全体枠線のエラー連動 */
.form-container:has(:user-invalid) {
  border-color: var(--color-error);
  box-shadow: 0 12px 30px rgba(185, 28, 28, 0.08);
}

/* エラーパネル */
.form-error-panel {
  background-color: var(--color-error-light);
  border: 1.5px solid var(--color-error);
  border-radius: var(--border-radius);
  padding: 16px;
  margin-bottom: 32px;
}

.error-panel-title {
  margin: 0;
  color: var(--color-error);
  font-weight: 700;
  font-size: var(--font-size-sm);
  display: flex;
  align-items: center;
  gap: 8px;
}

.error-panel-title::before {
  content: '⚠️';
}

/* Form inputs & controls */
.form-group {
  margin-bottom: 24px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0 24px;
}

@media (min-width: 768px) {
  .form-row {
    grid-template-columns: 1fr 1fr;
  }
}

.form-label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.required {
  color: var(--color-error);
  font-size: var(--font-size-xs);
  vertical-align: middle;
  margin-left: 4px;
}

.required-conditional {
  color: var(--color-text-muted);
  background-color: var(--color-bg-alt);
  padding: 2px 6px;
  font-size: 0.75rem;
  border-radius: 2px;
  margin-left: 6px;
  vertical-align: middle;
  border: 1px solid var(--color-border);
}

.required-conditional.is-required {
  color: var(--color-error);
  background-color: var(--color-error-light);
  border-color: var(--color-error);
}

.form-control {
  width: 100%;
  min-height: 44px;
  padding: 10px 14px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--border-radius);
  font-family: var(--font-sans);
  font-size: var(--font-size-sm);
  color: var(--color-text-main);
  background-color: var(--color-bg-base);
  transition: all var(--transition-speed) ease;
  outline: none;
}

.form-control:focus {
  border-color: var(--color-primary-light);
  box-shadow: 0 0 0 3px rgba(30, 77, 140, 0.15);
}

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

.help-text {
  display: block;
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-top: 6px;
  line-height: 1.4;
}

/* Radio & Checkbox layouts */
.radio-flex, .checkbox-flex {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 12px;
  background-color: var(--color-bg-alt);
  border-radius: var(--border-radius);
  border: 1px solid var(--color-border);
}

@media (min-width: 576px) {
  .radio-flex, .checkbox-flex {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 16px 24px;
  }
}

.radio-label, .checkbox-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: var(--font-size-sm);
  color: var(--color-text-main);
  cursor: pointer;
  min-height: 36px;
  user-select: none;
}

.flex-align-start {
  align-items: flex-start;
}

.radio-label input[type="radio"], .checkbox-label input[type="checkbox"] {
  width: 20px;
  height: 20px;
  accent-color: var(--color-secondary);
  cursor: pointer;
}

/* Warning block inside form */
.info-alert {
  background-color: var(--color-secondary-light);
  border-left: 4px solid var(--color-secondary);
  padding: 16px;
  border-radius: var(--border-radius);
  font-size: var(--font-size-xs);
  color: var(--color-secondary-dark);
  line-height: 1.6;
  margin-bottom: 24px;
}

.info-alert-warning {
  background-color: var(--color-error-light);
  border-left-color: var(--color-error);
  color: var(--color-error);
}

/* ==========================================================================
   Validation State styling (CSS-only)
   ========================================================================== */
.error-msg {
  display: none;
  font-size: var(--font-size-xs);
  color: var(--color-error);
  margin-top: 6px;
  font-weight: 600;
}

/* inputが :user-invalid (ユーザーが操作して無効) になった時 */
.form-control:user-invalid {
  border-color: var(--color-error);
  background-color: #fffafb;
}

/* エラーメッセージの表示 */
.form-group:has(.form-control:user-invalid) .error-msg {
  display: block;
}

/* ラジオボタンやチェックボックス群でチェック必須の場合 */
.form-group:has(input[type="checkbox"]:user-invalid) .error-msg,
.form-group:has(input[type="radio"]:user-invalid) .error-msg {
  display: block;
}

/* 同意チェックボックスの特別エラー */
#health-warning-group:has(input:user-invalid) .error-msg {
  display: block;
}

.form-submit-box {
  text-align: center;
  margin-top: 40px;
}

.submit-note {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-top: 12px;
}

@media (min-width: 768px) {
  .form-container {
    padding: 48px;
  }
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
  background-color: var(--color-primary-dark);
  color: var(--color-text-light);
  padding-top: 64px;
}

.footer-container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

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

.footer-logo {
  margin-bottom: 20px;
}

.footer-desc {
  font-size: var(--font-size-sm);
  color: #cbd5e1;
  line-height: 1.65;
}

.footer-links-title {
  font-size: 1.15rem;
  color: #ffffff;
  margin-bottom: 24px;
  position: relative;
  padding-bottom: 8px;
}

.footer-links-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 2px;
  background-color: var(--color-secondary);
}

.footer-menu-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-menu-list a {
  font-size: var(--font-size-sm);
  color: #cbd5e1;
  transition: all var(--transition-speed) ease;
  display: inline-block;
}

.footer-menu-list a:hover, .footer-menu-list a:focus {
  color: var(--color-secondary);
  transform: translateX(4px);
}

.footer-tel {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--color-secondary);
  margin-bottom: 8px;
}

.footer-hours {
  font-size: var(--font-size-xs);
  color: #cbd5e1;
  margin-bottom: 16px;
}

.footer-address {
  font-size: var(--font-size-sm);
  color: #cbd5e1;
  line-height: 1.6;
}

.footer-bottom {
  padding: 24px 0;
  background-color: #040d1c;
}

.footer-bottom-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.copyright {
  font-size: var(--font-size-xs);
  color: #94a3b8;
  margin-bottom: 0;
}

.footer-policies {
  display: flex;
  gap: 24px;
}

.footer-policies a {
  font-size: var(--font-size-xs);
  color: #94a3b8;
}

.footer-policies a:hover {
  color: var(--color-secondary);
}

@media (min-width: 768px) {
  .footer-container {
    grid-template-columns: repeat(3, 1fr);
  }
  .footer-bottom-container {
    flex-direction: row;
  }
}

/* ==========================================================================
   Modal Dialog (<dialog>)
   ========================================================================== */
.dialog-modal {
  border: none;
  border-radius: var(--border-radius);
  padding: 0;
  width: 90%;
  max-width: 580px;
  background-color: var(--color-bg-base);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
  overflow: hidden;
  outline: none;
}

.dialog-modal::backdrop {
  background-color: rgba(15, 45, 89, 0.65);
  backdrop-filter: blur(4px);
}

.dialog-content {
  padding: 40px;
}

.dialog-icon {
  width: 64px;
  height: 64px;
  background-color: var(--color-primary-bg);
  color: var(--color-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.2rem;
  font-weight: bold;
  margin: 0 auto 24px auto;
}

.dialog-heading {
  text-align: center;
  font-size: var(--font-size-lg);
  margin-bottom: 20px;
}

.dialog-body {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
}

.dialog-body p {
  margin-bottom: 16px;
}

.dialog-receipt {
  background-color: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: 20px;
  margin: 24px 0;
}

.dialog-receipt h4 {
  font-size: var(--font-size-xs);
  color: var(--color-primary);
  margin-top: 0;
  margin-bottom: 12px;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 8px;
}

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

.receipt-table th, .receipt-table td {
  padding: 8px 0;
  font-size: var(--font-size-xs);
  vertical-align: top;
}

.receipt-table th {
  font-weight: 700;
  color: var(--color-text-main);
  width: 90px;
  text-align: left;
}

.receipt-table td {
  color: var(--color-text-muted);
}

.dialog-closing-note {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  border-top: 1px dashed var(--color-border);
  padding-top: 16px;
  margin-top: 24px;
}

.dialog-action {
  margin-top: 32px;
}

/* ==========================================================================
   Scroll Reveal Animation Classes
   ========================================================================== */
.scroll-reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.2, 0.8, 0.2, 1), transform 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
}

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

/* Animation delay utility classes */
.delay-100 { transition-delay: 100ms; }
.delay-200 { transition-delay: 200ms; }
.delay-300 { transition-delay: 300ms; }
.delay-400 { transition-delay: 400ms; }