/* ===== CSS Variables (Design Tokens) ===== */
:root {
  /* Brand Colors */
  --color-brand-primary: #08307f;
  --color-brand-on-primary: #FFFFFF;
  --color-brand-primary-tint-10: #E6EAFF;
  --color-brand-primary-tint-20: #CDD5FF;
  --color-brand-secondary: #FFD54A;
  --color-brand-on-secondary: #222222;
  --color-brand-secondary-tint-20: #FFF3C2;
  
  /* Neutral Colors */
  --color-neutral-900: #111827;
  --color-neutral-700: #374151;
  --color-neutral-600: #4B5563;
  --color-neutral-500: #6B7280;
  --color-neutral-300: #D1D5DB;
  --color-neutral-100: #F3F4F6;
  --color-neutral-50: #F9FAFB;
  
  /* Status Colors */
  --color-info: #08307f;
  --color-success: #10B981;
  --color-warning: #F59E0B;
  --color-danger: #EF4444;
  
  /* Typography */
  --font-family-serif: 'Noto Serif JP', 'Hiragino Mincho ProN', 'Yu Mincho', 'MS PMincho', serif;
  --font-size-h1: 2.75rem;
  --font-size-h2: 2.125rem;
  --font-size-h3: 1.5rem;
  --font-size-h4: 1.25rem;
  --font-size-body: 1rem;
  --font-size-small: 0.875rem;
  --line-height-tight: 1.25;
  --line-height-normal: 1.6;
  --line-height-loose: 1.8;
  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-bold: 700;
  
  /* Spacing */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 12px;
  --spacing-lg: 16px;
  --spacing-xl: 20px;
  --spacing-2xl: 24px;
  --spacing-3xl: 32px;
  --spacing-4xl: 40px;
  --spacing-5xl: 48px;
  --spacing-6xl: 64px;
  --spacing-7xl: 80px;
  --spacing-8xl: 96px;
  
  /* Radii */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-pill: 9999px;
  
  /* Layout */
  --container-max-width: 1400px;
  --header-height-mobile: 70px;
  --header-height-desktop: 80px;
  --section-padding-mobile: 56px;
  --section-padding-desktop: 88px;
  
  /* Focus Ring */
  --focus-ring: 0 0 0 3px rgba(6, 50, 137, 0.25);
  
  /* Transitions */
  --transition-fast: 120ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 280ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family-serif);
  font-size: var(--font-size-body);
  line-height: var(--line-height-normal);
  color: var(--color-neutral-700);
  background-color: #FFFFFF;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

button {
  border: none;
  background: none;
  font-family: inherit;
  cursor: pointer;
}

ul {
  list-style: none;
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
  color: var(--color-neutral-900);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  letter-spacing: 0.01em;
}

h1 {
  font-size: var(--font-size-h1);
}

h2 {
  font-size: var(--font-size-h2);
}

h3 {
  font-size: var(--font-size-h3);
}

h4 {
  font-size: var(--font-size-h4);
}

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

.section-title {
  text-align: center;
  margin-bottom: var(--spacing-6xl);
  position: relative;
}

/* 会社情報セクションの見出し下線を削除 */
#company .section-title {
  border-bottom: none !important;
  text-decoration: none !important;
  position: static !important;
}

#company .section-title::before,
#company .section-title::after {
  all: unset !important;
  display: none !important;
  content: none !important;
  visibility: hidden !important;
  opacity: 0 !important;
  width: 0 !important;
  height: 0 !important;
  background: none !important;
  background-color: transparent !important;
  border: none !important;
  border-bottom: none !important;
  position: static !important;
  margin: 0 !important;
  padding: 0 !important;
  overflow: hidden !important;
  pointer-events: none !important;
}

/* ===== Button Components ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: 14px 20px;
  border-radius: var(--radius-md);
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-body);
  text-decoration: none;
  transition: all var(--transition-normal);
  cursor: pointer;
  border: none;
  min-height: 48px;
  white-space: nowrap;
}

/* Button Icons */
.btn-icon {
  display: inline-block;
  width: 20px;
  height: 20px;
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  flex-shrink: 0;
}

.phone-icon {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='white'%3E%3Cpath d='M22 16.92v3a2 2 0 0 1-2.18 2 19.79 19.79 0 0 1-8.63-3.07 19.5 19.5 0 0 1-6-6 19.79 19.79 0 0 1-3.07-8.67A2 2 0 0 1 4.11 2h3a2 2 0 0 1 2 1.72 12.84 12.84 0 0 0 .7 2.81 2 2 0 0 1-.45 2.11L8.09 9.91a16 16 0 0 0 6 6l1.27-1.27a2 2 0 0 1 2.11-.45 12.84 12.84 0 0 0 2.81.7A2 2 0 0 1 22 16.92z'/%3E%3C/svg%3E");
}

.line-icon {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='white'%3E%3Cpath d='M19.365 9.863c.349 0 .63.285.63.631 0 .345-.281.63-.63.63H17.61v1.125h1.755c.349 0 .63.283.63.63 0 .344-.281.629-.63.629h-2.386c-.345 0-.627-.285-.627-.629V8.108c0-.345.282-.63.63-.63h2.386c.349 0 .63.285.63.63 0 .349-.281.63-.63.63H17.61v1.125h1.755zm-3.855 3.016c0 .27-.174.51-.432.596-.064.021-.133.031-.199.031-.211 0-.391-.09-.51-.25l-2.443-3.317v2.94c0 .344-.279.629-.631.629-.346 0-.626-.285-.626-.629V8.108c0-.27.173-.51.43-.595.06-.023.136-.033.194-.033.195 0 .375.104.495.254l2.462 3.33V8.108c0-.345.282-.63.63-.63.345 0 .63.285.63.63v4.771zm-5.741 0c0 .344-.282.629-.631.629-.345 0-.627-.285-.627-.629V8.108c0-.345.282-.63.63-.63.346 0 .628.285.628.63v4.771zm-2.466.629H4.917c-.345 0-.63-.285-.63-.629V8.108c0-.345.285-.63.63-.63.348 0 .63.285.63.63v4.141h1.756c.348 0 .629.283.629.63 0 .344-.281.629-.629.629M24 10.314C24 4.943 18.615.572 12 .572S0 4.943 0 10.314c0 4.811 4.27 8.842 10.035 9.608.391.082.923.258 1.058.59.12.301.079.766.038 1.08l-.164 1.02c-.045.301-.24 1.186 1.049.645 1.291-.539 6.916-4.078 9.436-6.975C23.176 14.393 24 12.458 24 10.314'/%3E%3C/svg%3E");
}




.btn-primary {
  background-color: var(--color-brand-primary);
  color: var(--color-brand-on-primary);
}

.btn-primary:hover {
  background-color: #062459;
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: var(--color-brand-primary-tint-10);
  color: var(--color-brand-primary);
  border: 1.5px solid var(--color-brand-primary);
}

.btn-secondary:hover {
  background-color: var(--color-brand-primary-tint-20);
}

.btn-large {
  padding: 18px 32px;
  font-size: 1.125rem;
  min-height: 56px;
}

.btn-small {
  padding: 10px 16px;
  font-size: var(--font-size-small);
  min-height: 40px;
}

.btn-submit {
  width: 100%;
  min-height: 56px;
  font-size: 1.125rem;
  display: block;
  margin: 0 auto;
}




.line-btn {
  background: linear-gradient(135deg, #03a042 0%, #03a042 100%) !important;
  color: white !important;
  border: none !important;
}

.line-btn:hover {
  background: linear-gradient(135deg, #028a37 0%, #028a37 100%) !important;
  transform: translateY(-1px);
}

/* ===== Header ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background-color: transparent;
  backdrop-filter: none;
  border-bottom: 1px solid transparent;
  z-index: 1000;
  height: var(--header-height-mobile);
  transition: all var(--transition-normal);
}
.header .container { height: 100%; }

.header.scrolled {
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-neutral-300);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  white-space: nowrap;
  padding-top: 12px;
}

.logo {
  font-size: 1.25rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-brand-primary);
  transition: all var(--transition-normal);
}

.logo a {
  display: flex;
  align-items: center;
  height: var(--header-height-mobile);
  padding: 0;
  font-size: 1.25rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-brand-primary);
  text-decoration: none;
  transition: all var(--transition-normal);
  position: relative;
}

.header-logo-link:hover {
  text-decoration: none;
  color: #0a3d99;
  transition: color var(--transition-normal);
}

.header-logo-link::after {
  display: none;
}

.header-logo-link:hover::after {
  display: none;
}

.header:not(.scrolled) .logo a {
  color: white;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
}

.header:not(.scrolled) .logo {
  color: white;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
}

.nav-desktop {
  display: none;
}

.nav-list {
  display: flex;
  align-items: center;
  white-space: nowrap;
  gap: var(--spacing-xl);
}

.nav-link {
  display: flex;
  align-items: center;
  height: var(--header-height-mobile);
  color: var(--color-neutral-700);
  font-weight: var(--font-weight-medium);
  transition: color var(--transition-normal);
  position: relative;
  padding: 0 4px;
}

.header:not(.scrolled) .nav-link {
  color: white;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
}

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

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

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

.header:not(.scrolled) .nav-link:hover::after {
  background-color: white;
}

.header-cta {
  display: none;
  flex-direction: column;
  gap: var(--spacing-lg);
  align-items: center;
}

.header-cta .btn {
  width: clamp(100px, 25vw, 160px);
  max-width: 100%;
  font-size: clamp(0.875rem, 2.5vw, 1rem);
  padding: clamp(8px, 2vw, 12px) clamp(12px, 3vw, 20px);
}


/* Hamburger Menu */
.hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 4px;
  padding: var(--spacing-sm);
  min-width: 48px;
  min-height: 48px;
  position: relative;
  z-index: 1001;
  cursor: pointer;
  pointer-events: auto;
  background: transparent;
  border: none;
}

.hamburger span {
  width: 20px;
  height: 2px;
  background-color: var(--color-neutral-700);
  transition: all var(--transition-normal);
  transform-origin: center;
}

.header:not(.scrolled) .hamburger span {
  background-color: white;
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg);
  position: absolute;
  top: 50%;
  left: 50%;
  margin-left: -10px;
  margin-top: -1px;
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
  transform: scale(0);
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg);
  position: absolute;
  top: 50%;
  left: 50%;
  margin-left: -10px;
  margin-top: -1px;
}

/* Mobile Navigation */
.nav-mobile {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background-color: white;
  border-bottom: 1px solid var(--color-neutral-300);
  z-index: 1000;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

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

.nav-mobile-list {
  padding: var(--spacing-lg) 0 0 0;
}

.nav-mobile-list li:last-child .nav-mobile-link {
  border-bottom: none;
}

.nav-mobile-link {
  display: block;
  padding: var(--spacing-lg) var(--spacing-lg);
  color: var(--color-neutral-700);
  font-weight: var(--font-weight-medium);
  border-bottom: 1px solid var(--color-neutral-100);
  transition: all var(--transition-normal);
}

.nav-mobile-link:hover {
  background-color: var(--color-brand-primary-tint-10);
  color: var(--color-brand-primary);
}

/* ===== Hero Section ===== */
.hero {
  position: relative;
  height: calc(80svh + var(--header-height-mobile));
  min-height: calc(80svh + var(--header-height-mobile));
  max-height: calc(80svh + var(--header-height-mobile));
  display: flex;
  align-items: center;
  padding-top: var(--header-height-mobile);
  overflow: hidden;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: -2;
  background-image: url('img/ヒーロー画像.png');
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(6, 50, 137, 0.8) 0%, rgba(255, 213, 74, 0.6) 100%);
  z-index: -1;
}


.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  color: white;
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-text {
  max-width: 100%;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.hero-title {
  font-size: 50px;
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-lg);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
  line-height: 1.2;
  overflow-wrap: break-word;
  word-wrap: break-word;
  color: white;
}

.title-line {
  display: block;
  width: 100%;
  color: white;
}

.title-line-1 {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.title-line-2 {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* レスポンシブテキスト表示制御 */
.mobile-break {
  display: none;
}

.desktop-break {
  display: inline;
}

.mobile-only {
  display: none;
}

/* モバイル版タイトル改行対応 */
@media (max-width: 767px) {
  .mobile-break {
    display: inline !important;
  }
  
  .desktop-break {
    display: none !important;
  }
  
  .mobile-only {
    display: inline !important;
  }
  
  .title-line-1 {
    white-space: normal !important;
    overflow: visible !important;
    text-overflow: unset !important;
  }
  
  .title-line-2 {
    flex-wrap: wrap !important;
    justify-content: center !important;
    gap: 0.3rem !important;
    display: block !important;
  }
  
  .title-part {
    white-space: normal !important;
    display: block !important;
  }
  
  .title-normal {
    display: block !important;
  }
}

.title-part {
  white-space: nowrap;
  color: var(--color-brand-secondary);
}

.title-normal {
  color: white;
}

/* 「。」を表示しつつ幅を0にして中央揃えの計算から除外 */
.title-normal {
  position: relative !important;
  display: inline-block !important;
}

.period-hidden {
  position: absolute !important;
  right: -1em !important;
  top: 0 !important;
}

.hero-subtitle {
  font-size: 23px;
  margin-bottom: var(--spacing-2xl);
  opacity: 0.95;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
  color: white;
}



/* ===== Domains Section ===== */
.domains {
  padding: var(--section-padding-mobile) 0;
  background: var(--color-neutral-50);
}

.domains-grid {
  display: grid;
  gap: var(--spacing-3xl);
  grid-template-columns: 1fr;
}

.domain-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: 0 var(--spacing-3xl) var(--spacing-3xl) var(--spacing-3xl);
  text-align: center;
  transition: transform var(--transition-normal);
  border: none;
  display: flex;
  flex-direction: column;

}

.domain-card:hover {
  transform: translateY(-4px);
}

.domain-icon {
  width: calc(100% + 2 * var(--spacing-3xl));
  height: 325px;
  margin: 0 calc(-1 * var(--spacing-3xl)) 0 calc(-1 * var(--spacing-3xl));
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  background: transparent;
  display: flex;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

.domain-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: top;
  margin: 0 !important;
  padding: 0 !important;
  display: block;
}

.domain-title {
  color: var(--color-brand-primary);
  margin-top: calc(var(--spacing-lg) / 2);
  margin-bottom: var(--spacing-lg);
  font-size: 1.25rem;
  text-align: center;
}

.domain-text {
  line-height: var(--line-height-loose);
  margin-bottom: var(--spacing-lg);
  text-align: left;
  height: 120px;
  display: flex;
  align-items: flex-start;
  overflow: hidden;
}

.domain-bullets {
  list-style: none;
  text-align: left;
  margin: 0;
  padding: 0;
  margin-top: 0;
}

.domain-bullets li {
  position: relative;
  padding-left: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
  line-height: var(--line-height-loose);
}

.domain-bullets li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-brand-primary);
  font-weight: var(--font-weight-bold);
}

/* ===== Approach Section ===== */
.approach {
  padding: 50px 0;
  background: #f5f5f5;
}

/* フローコンテナ */
.approach-flow-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 24px;
  margin-bottom: 50px;
  max-width: 100%;
  margin-left: auto;
  margin-right: auto;
}

/* 各フローステップ */
.approach-flow-step {
  position: relative;
  width: 100%;
  max-width: 320px;
}

/* 矢印型のボックス（右向き） */
.approach-arrow-box {
  position: relative;
  background: var(--color-brand-primary);
  padding: 12px 20px 12px 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  clip-path: polygon(0% 0%, 85% 0%, 100% 50%, 85% 100%, 0% 100%);
  min-height: 200px;
}

/* ステップ番号 */
.approach-step-number {
  width: 48px;
  height: 48px;
  background: white;
  color: var(--color-brand-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--font-weight-bold);
  font-size: 1.5rem;
  margin-bottom: 14px;
}

/* ステップタイトル */
.approach-step-title {
  font-size: 20px;
  font-weight: var(--font-weight-bold);
  color: white;
  margin-bottom: 12px;
  line-height: 1.4;
  min-height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ステップコンテンツ */
.approach-step-content {
  padding-top: 12px;
  padding-bottom: 12px;
}

/* ステップ説明文 */
.approach-step-desc {
  font-size: 15px;
  color: white;
  line-height: 1.6;
  margin: 0;
  padding: 0 12px;
}

/* 免責事項 */
.approach-disclaimer {
  text-align: left;
  background: var(--color-brand-secondary-tint-20);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-md);
  color: var(--color-brand-on-secondary);
  max-width: 100%;
  margin: 0 auto;
}

.approach-disclaimer p {
  margin: 0;
  padding-left: 1.2em;
  text-indent: -1.2em;
  line-height: var(--line-height-loose);
}

/* ===== Benefits Section ===== */
.benefits {
  padding: 32px 16px;
  background: #f9fafb;
}

.benefits-container {
  max-width: 1152px;
  margin: 0 auto;
}

/* セクションタイトル */
.benefits-header {
  text-align: center;
}

/* 特徴リスト */
.benefits-list {
  display: flex;
  flex-direction: column;
}

/* 各特徴アイテム */
.benefit-item {
  display: flex;
  flex-direction: column;
}

/* テキストコンテンツ */
.benefit-content {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px 16px 12px 36px;
}

.benefit-text-wrapper {
  text-align: center;
  max-width: 448px;
  width: 100%;
}

/* ラベル */
.benefit-label {
  margin-bottom: 4px;
  padding-left: 0;
  margin-left: 0;
}

.benefit-label span {
  color: #9ca3af;
  font-size: 16px;
  font-weight: 300;
  font-style: italic;
}

/* 見出し */
.benefit-heading {
  font-size: 18px;
  font-weight: var(--font-weight-bold);
  color: #1f2937;
  margin-bottom: 4px;
  line-height: 1.6;
  padding-left: 0;
  margin-left: 0;
}

/* 説明文 */
.benefit-description {
  color: #4b5563;
  font-size: 16px;
  line-height: 1.6;
  padding-left: 0;
  margin-left: 0;
}

/* 画像エリア */
.benefit-image-wrapper {
  width: 100%;
  position: relative;
  aspect-ratio: 4 / 3;
  background: transparent;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  overflow: hidden;
}

.benefit-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

/* タブレット・デスクトップ対応 */
@media (min-width: 768px) {
  .benefits {
    padding: 64px 16px;
  }

  .benefit-item {
    flex-direction: row;
  }

  /* 偶数番目は画像を左に */
  .benefit-item-reverse {
    flex-direction: row-reverse;
  }
  
  .benefit-item-reverse .benefit-content {
    padding: 32px 52px 32px 32px;
  }

  .benefit-content {
    width: 50%;
    padding: 32px 32px 32px 52px;
  }

  .benefit-text-wrapper {
    text-align: left;
  }

  .benefit-label span {
    font-size: 18px;
  }

  .benefit-heading {
    font-size: 20px;
  }

  .benefit-image-wrapper {
    width: 50%;
  }
}

/* 大画面対応 */
@media (min-width: 1024px) {
  .benefit-label span {
    font-size: 20px;
  }

  .benefit-heading {
    font-size: 24px;
  }
}

/* ===== FAQ Section ===== */
.faq {
  padding: var(--section-padding-mobile) 0;
  background: #f5f5f5;
  color: var(--color-neutral-700);
  position: relative;
}

.faq .section-title {
  margin-top: calc(var(--spacing-2xl) * -1);
}

.faq-background {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: -1;
}

.faq-bg-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
}

.faq .section-title {
  color: var(--color-neutral-900);
  margin-bottom: 20px;
}

.faq-list {
  max-width: 800px;
  margin: 0 auto var(--spacing-4xl);
}

.faq-item {
  background: white;
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-xs);
  border: 1px solid var(--color-neutral-300);
}

.faq-question {
  width: 100%;
  padding: 8px var(--spacing-md);
  text-align: left;
  color: var(--color-neutral-900);
  font-weight: var(--font-weight-medium);
  font-size: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  transition: all var(--transition-normal);
  border-radius: var(--radius-md);
  min-height: 40px;
}

.faq-question:hover {
  background: var(--color-neutral-50);
  border-radius: var(--radius-md);
}

.faq-icon {
  font-size: 1.25rem;
  transition: transform var(--transition-normal);
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: all var(--transition-normal);
}

.faq-item.active .faq-answer {
  max-height: 200px;
}

.faq-answer p {
  padding: 0 var(--spacing-md) var(--spacing-md);
  line-height: var(--line-height-loose);
  font-size: 0.95rem;
  color: var(--color-neutral-700);
}

.faq-note {
  text-align: center;
  background: var(--color-brand-secondary-tint-20);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-brand-secondary);
  color: var(--color-brand-on-secondary);
}

/* ===== Contact Section ===== */
.contact {
  padding: var(--section-padding-mobile) 0;
  background: var(--color-neutral-50);
}

.contact-header {
  text-align: center;
  margin-bottom: var(--spacing-6xl);
}

.contact-methods {
  display: flex;
  flex-direction: row;
  gap: var(--spacing-md);
  margin-top: var(--spacing-6xl);
  margin-bottom: var(--spacing-6xl);
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
}

.contact-subtitle {
  color: var(--color-brand-primary);
  font-weight: var(--font-weight-medium);
  margin-bottom: 12px;
  text-align: center;
}

.contact-bg-image {
  max-width: 300px;
  margin: 0 auto;
}

.contact-description {
  text-align: center;
  margin-bottom: var(--spacing-4xl);
  color: var(--color-neutral-600);
  font-size: 1.125rem;
}


.contact-group {
  flex: 1;
  max-width: 300px;
  min-width: 200px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  height: 100%;
}

.contact-method-title {
  color: var(--color-brand-primary);
  margin-bottom: var(--spacing-sm);
  font-size: 1.125rem;
  font-weight: var(--font-weight-bold);
}

.contact-method-title.line-title {
  color: #03a042;
}

.phone-number {
  font-size: 1.5rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-brand-primary);
  display: block;
  margin-bottom: var(--spacing-sm);
}

.phone-btn,
.line-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0;
  text-align: center;
  width: clamp(200px, 40vw, 320px);
  min-height: 48px;
  font-size: 13px;
  font-weight: var(--font-weight-medium);
  transition: all var(--transition-normal);
  padding: 12px 20px;
}

.phone-btn:hover {
  background-color: #062459;
  transform: translateY(-1px);
}

.phone-note,
.email-note {
  color: var(--color-neutral-600);
  font-size: var(--font-size-small);
  margin-bottom: var(--spacing-sm);
  font-weight: var(--font-weight-medium);
}

.line-note {
  color: var(--color-neutral-600);
  font-size: var(--font-size-small);
  font-weight: var(--font-weight-medium);
  margin: 0;
}

.contact-phone,
.contact-line {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  flex: 1;
}

.contact-line {
  gap: var(--spacing-sm);
}

.contact-email {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
}

/* ===== Form Styles ===== */
.contact-form-section {
  background: white;
  padding: 12px var(--spacing-2xl);
  border-radius: var(--radius-lg);
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
}

.contact-form {
  text-align: center;
}

.contact-form .form-group,
.contact-form .form-privacy {
  text-align: center;
  margin-left: 0;
  margin-right: 0;
  max-width: 100%;
}

.contact-form .form-label,
.contact-form .form-input,
.contact-form .form-textarea,
.contact-form .privacy-label {
  max-width: 100%;
}

.contact-form .form-label {
  text-align: left;
}

.contact-form .form-input,
.contact-form .form-textarea,
.contact-form select {
  text-align: left;
}

.contact-form select.form-input {
  text-align: left;
}

.contact-form .btn-submit {
  text-align: center;
  max-width: 100%;
}

.form-title {
  color: var(--color-brand-primary);
  text-align: center;
  margin-bottom: 12px;
}

.form-group {
  margin-bottom: 12px;
  text-align: center;
}

.form-label {
  display: block;
  margin-bottom: var(--spacing-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-neutral-700);
  text-align: left;
}

.required {
  color: var(--color-danger);
}

.form-input,
.form-textarea {
  width: 100%;
  min-width: 0;
  padding: var(--spacing-md);
  border: 1px solid var(--color-neutral-300);
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: var(--font-size-body);
  transition: all var(--transition-normal);
  min-height: 48px;
  text-align: left;
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-brand-primary);
  box-shadow: var(--focus-ring);
}

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

.form-privacy {
  margin-bottom: 12px;
  text-align: center;
}

.privacy-label {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  cursor: pointer;
  font-size: var(--font-size-small);
  line-height: 1.5;
  text-align: center;
  justify-content: center;
  min-height: 48px;
}

.privacy-label input[type="checkbox"] {
  margin: 0;
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  align-self: center;
}

.privacy-link {
  color: var(--color-brand-primary);
  text-decoration: underline;
}

/* ===== Company Section ===== */
.company {
  padding: var(--section-padding-mobile) 0;
  background: white;
}

.company-content {
  display: grid;
  gap: var(--spacing-5xl);
  margin-bottom: var(--spacing-5xl);
  justify-items: center;
  max-width: 100%;
  margin-left: auto;
  margin-right: auto;
}

.company-info { width: 100%; }

.company-table {
  width: 100%;
  max-width: 100%;
  margin: 0 auto;
  border-collapse: collapse;
  background: var(--color-neutral-50);
  border-radius: var(--radius-md);
  overflow: hidden;
  table-layout: fixed;
  border: 1px solid var(--color-neutral-300);
}

.company-table th,
.company-table td {
  padding: var(--spacing-lg) var(--spacing-2xl);
  text-align: left;
  border-bottom: 1px solid var(--color-neutral-300);
}

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

.company-table th {
  background: var(--color-brand-primary-tint-20);
  color: var(--color-neutral-900);
  font-weight: var(--font-weight-medium);
  width: 30%;
  white-space: nowrap;
  border-bottom-color: white;
}

.company-table td {
  background: white;
  width: 70%;
  word-wrap: break-word;
}

.company-table td a {
  color: var(--color-brand-primary);
  text-decoration: underline;
}

.company-disclaimer {
  max-width: 100%;
  background: var(--color-brand-secondary-tint-20);
  padding: var(--spacing-3xl);
  border-radius: var(--radius-md);
  margin: 0px auto;
}

.disclaimer-title {
  color: var(--color-brand-on-secondary);
  margin-bottom: var(--spacing-lg);
  font-size: 1.125rem;
  font-weight: var(--font-weight-bold);
}

.disclaimer-list {
  list-style: disc;
  padding-left: var(--spacing-2xl);
  color: var(--color-brand-on-secondary);
}

.disclaimer-list li {
  margin-bottom: var(--spacing-sm);
  line-height: var(--line-height-loose);
}

/* ===== Compliance Section ===== */
.compliance {
  padding: var(--section-padding-mobile) 0;
  background: var(--color-neutral-50);
}

.compliance-content {
  max-width: 100%;
  margin: 0 auto;
}

.compliance-list {
  list-style: none;
  margin: 0 0 var(--spacing-4xl) 0;
  padding: 0;
}

.compliance-list li {
  background: white;
  padding: var(--spacing-2xl);
  margin-bottom: var(--spacing-lg);
  border-radius: var(--radius-md);
  border-left: 4px solid var(--color-brand-primary);
  line-height: var(--line-height-loose);
}

.compliance-note {
  text-align: center;
  background: var(--color-brand-secondary-tint-20);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-md);
  color: var(--color-brand-on-secondary);
}

/* ===== Footer ===== */
.footer {
  background: var(--color-neutral-100);
  padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer-content {
  display: grid;
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-2xl);
}

.footer-logo h3 {
  color: var(--color-brand-primary);
  margin-bottom: var(--spacing-sm);
}

.footer-logo-link {
  color: inherit;
  text-decoration: none;
  transition: all var(--transition-normal);
  position: relative;
  display: inline-block;
}

.footer-logo-link:hover {
  text-decoration: none;
  color: #0a3d99;
  transition: color var(--transition-normal);
}

.footer-logo-link::after {
  display: none;
}

.footer-logo-link:hover::after {
  display: none;
}

.footer-logo p {
  color: var(--color-neutral-600);
  font-size: var(--font-size-small);
  white-space: nowrap;
}

.footer-contact h4,
.footer-nav h4,
.footer-cta h4 {
  color: var(--color-neutral-900);
  margin-bottom: var(--spacing-lg);
  font-size: 1rem;
}

.footer-phone a {
  font-size: 1.25rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-brand-primary);
  text-decoration: none;
  transition: all var(--transition-normal);
  position: relative;
  display: inline-block;
}

.footer-phone a:hover {
  text-decoration: none;
  color: #0a3d99;
  transition: color var(--transition-normal);
}

.footer-phone a::after {
  display: none;
}

.footer-phone a:hover::after {
  display: none;
}

.footer-address {
  color: var(--color-neutral-600);
  font-size: var(--font-size-small);
  line-height: var(--line-height-loose);
  margin-top: var(--spacing-sm);
}

.footer-nav ul {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.footer-nav a {
  color: var(--color-neutral-600);
  font-size: var(--font-size-small);
  transition: color var(--transition-normal);
}

.footer-nav a:hover {
  color: var(--color-brand-primary);
}

.footer-buttons {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.footer-buttons .btn {
  width: clamp(100px, 25vw, 160px);
  font-size: clamp(0.875rem, 2.5vw, 1rem);
  padding: clamp(8px, 2vw, 12px) clamp(12px, 3vw, 20px);
  min-height: 40px;
}

.footer-bottom {
  border-top: 1px solid var(--color-neutral-300);
  padding-top: var(--spacing-xl);
  text-align: center;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-lg);
}

.footer-links a {
  color: var(--color-neutral-600);
  font-size: var(--font-size-small);
  transition: color var(--transition-normal);
}

.footer-links a:hover {
  color: var(--color-brand-primary);
}

.footer-copyright {
  color: var(--color-neutral-600);
  font-size: var(--font-size-small);
}

/* ===== Mobile CTA Bar ===== */
.mobile-cta-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: white;
  display: flex;
  border-top: 1px solid var(--color-neutral-300);
  z-index: 999;
  box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
}

.mobile-cta-btn {
  flex: 1;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-lg);
  min-height: 64px;
  text-decoration: none;
  transition: all var(--transition-normal);
  gap: var(--spacing-sm);
  font-size: 1rem;
  font-weight: var(--font-weight-medium);
  border: none;
  cursor: pointer;
  border-radius: 0;
}

.mobile-cta-phone {
  background: var(--color-brand-primary);
  color: white;
}

.mobile-cta-email {
  background: var(--color-brand-primary);
  color: white;
}

.mobile-cta-line {
  background: linear-gradient(135deg, #03a042 0%, #03a042 100%) !important;
  color: white !important;
}

.mobile-cta-btn:hover {
  transform: translateY(-2px);
}

.mobile-cta-text {
  font-size: 1rem;
  font-weight: var(--font-weight-medium);
}

/* ===== Mobile-First Responsive Design ===== */
@media (max-width: 767px) {
  /* モバイル版ヒーローセクション高さ調整 */
  .hero {
    height: calc(60svh + var(--header-height-mobile)) !important;
    min-height: calc(60svh + var(--header-height-mobile)) !important;
    max-height: calc(60svh + var(--header-height-mobile)) !important;
  }
  
  .hero-content {
    height: 100% !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
  }
  
  /* モバイル版フォントサイズ最適化（スマホ最適化ルール適用） */
  .hero-title {
    font-size: 32px !important; /* ヒーローh1: 32px */
    line-height: 1.2 !important;
    margin-bottom: 20px !important; /* 見出し下の余白: 20px */
  }
  
  .hero-subtitle {
    font-size: 13px !important; /* 本文: 13px */
    margin-bottom: 20px !important;
  }
  
  .section-title {
    font-size: 22px !important; /* セクションタイトルh2: 22px（モバイル） */
    margin-bottom: 20px !important; /* 見出し下の余白: 20px */
  }
  
  /* 戦略的コンサルティングアプローチセクションの見出し下の余白を20pxに設定 */
  #approach .section-title {
    margin-bottom: 20px !important;
  }
  
  /* 専門コンサルティング領域セクションの見出し下の余白を20pxに設定 */
  #domains .section-title {
    margin-bottom: 20px !important;
  }
  
  /* コンサルティングの強みセクションの見出しを下の要素のpaddingのすぐ上に表示 */
  .benefits-header {
    margin-bottom: 0 !important;
  }
  
  #benefits .section-title {
    margin-bottom: 0 !important;
  }
  
  .benefits-list {
    margin-top: 0 !important;
    padding-top: 0 !important;
  }
  
  /* 会社情報セクションの見出し下の余白 */
  #company .section-title {
    margin-bottom: 20px !important;
  }
  
  /* スマホ版：会社情報セクションのタップを無効化 */
  #company,
  .company {
    pointer-events: none !important;
    touch-action: none !important;
    user-select: none !important;
    -webkit-user-select: none !important;
    -moz-user-select: none !important;
    -ms-user-select: none !important;
    -webkit-touch-callout: none !important;
    position: relative !important;
  }
  
  /* セクション全体を覆う透明なオーバーレイ */
  #company::before,
  .company::before {
    content: '' !important;
    position: absolute !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    z-index: 9999 !important;
    pointer-events: auto !important;
    touch-action: none !important;
    background: transparent !important;
  }
  
  /* セクション内のすべての子要素もタップ無効化 */
  #company *,
  .company * {
    pointer-events: none !important;
    touch-action: none !important;
    user-select: none !important;
    -webkit-user-select: none !important;
    -moz-user-select: none !important;
    -ms-user-select: none !important;
    -webkit-touch-callout: none !important;
  }
  
  /* テーブル内のリンクなど必要な要素はタップ可能にする */
  #company a,
  .company a,
  .company-table a,
  #company .company-table a {
    pointer-events: auto !important;
    touch-action: auto !important;
    user-select: auto !important;
    -webkit-user-select: auto !important;
    -moz-user-select: auto !important;
    -ms-user-select: auto !important;
    -webkit-touch-callout: default !important;
    position: relative !important;
    z-index: 10000 !important;
  }
  
  .domain-title {
    font-size: 18px !important; /* h3: 18px */
  }
  
  h3 {
    font-size: 18px !important; /* h3: 18px */
  }
  
  h4 {
    font-size: 16px !important; /* h4: 16px */
  }
  
  /* ボックス内見出しh3: 14px（モバイル） */
  .benefit-heading,
  .approach-step-title,
  .mission-heading,
  .domain-title {
    font-size: 14px !important; /* ボックス内見出しh3: 14px（モバイル） */
  }
  
  .disclaimer-title {
    font-size: 16px !important; /* h4: 16px */
  }
  
  p, .form-label, .domain-text, .benefit-description, .mission-description {
    font-size: 13px !important; /* 本文: 13px */
  }
  
  .btn, .form-label, label {
    font-size: 13px !important; /* ボタン/ラベル: 13px */
  }
  
  .faq-question {
    font-size: 16px !important; /* 見出しサイズ: 16〜18px */
    min-height: 40px !important;
  }
  
  /* キャプション/補足: 10px */
  .phone-note,
  .line-note,
  .email-note,
  .contact-subtitle,
  small,
  .faq-answer p {
    font-size: 10px !important; /* キャプション/補足: 10px */
  }
  
  /* 画像と文言の横幅位置を揃える */
  .benefit-item,
  .domain-card {
    display: flex !important;
    flex-direction: column !important;
    align-items: stretch !important;
  }
  
  /* 文言の横幅を狭める */
  .benefit-content,
  .benefit-text-wrapper,
  .benefit-description,
  .domain-text,
  .approach-step-desc,
  .domain-bullets {
    width: 100% !important;
    max-width: 95% !important;
  }
  
  .mission-description {
    width: 100% !important;
    max-width: 100% !important;
  }
  
  .benefit-heading,
  .domain-title,
  .approach-step-title {
    max-width: 95% !important;
  }
  
  .mission-heading {
    max-width: 100% !important;
  }
  
  .benefit-image-wrapper,
  .domain-icon {
    width: 100% !important;
    max-width: 100% !important;
  }
  
  .benefit-image-wrapper {
    margin-right: calc(-36px - ((100vw - 100%) / 2)) !important;
    padding-right: 0 !important;
    max-width: 100vw !important;
    width: 100vw !important;
    margin-left: calc(-36px - ((100vw - 100%) / 2)) !important;
  }
  
  /* モバイル版セクション間隔調整（スマホ最適化ルール適用） */
  .hero {
    padding-bottom: 0px !important;
  }
  
  .domains,
  .approach {
    padding: 30px 0 20px 0 !important;
    padding-left: 0 !important;
    padding-right: 0 !important;
  }
  
  .benefits {
    padding: 50px 0 20px 0 !important; /* スマホ版：コンサルティングの強みセクションの上余白を50pxに */
    padding-left: 0 !important;
    padding-right: 0 !important;
  }
  
  .mission,
  .faq,
  .company {
    padding: 50px 0 20px 0 !important; /* 全てのセクション上下の余白: 50px、下の余白: 20px */
  }
  
  .contact {
    padding: 50px 0 !important; /* 全てのセクション上下の余白: 50px */
  }
  
  .faq .section-title {
    margin-top: calc(var(--spacing-xl) * -1) !important;
    margin-bottom: 20px !important; /* 見出し下の余白: 20px */
  }
  
  /* 見出し下の余白を統一 */
  h1, h2, h3, h4, h5, h6 {
    margin-bottom: 20px !important; /* 見出し下の余白: 20px */
  }
  
  /* モバイル版カードレイアウト最適化（スマホ最適化ルール適用） */
  .domain-card,
  .mission-card {
    padding-top: 0 !important; /* 画像コンテナをカード上部に揃えるため */
    padding-bottom: 20px !important;
    padding-left: 16px !important;
    padding-right: 16px !important;
    margin-bottom: 4px !important; /* ボックス下の余白をさらに縮小（8px → 4px） */
    overflow: hidden !important;
  }
  
  .benefit-item {
    padding-top: 5px !important; /* コンサルティングの強みセクションの縦の余白を小さく */
    padding-bottom: 5px !important;
    margin-bottom: 2px !important; /* ボックス下の余白をさらに縮小 */
  }
  
  .faq-item {
    padding-top: 0 !important;
    padding-bottom: 0 !important;
    margin-bottom: 1px !important; /* ボックス下の余白をさらに縮小（2px → 1px） */
  }
  
  /* 画像の上下余白: 下の余白をさらに縮小 */
  img {
    padding-top: 20px !important;
    padding-bottom: 5px !important; /* ボックス下の余白をさらに縮小（10px → 5px） */
  }
  
  .domain-icon img,
  .benefit-image,
  .mission-bg-image {
    padding-top: 0 !important;
    padding-bottom: 0 !important;
  }
  
  .domain-icon {
    width: calc(100% + 36px + 16px) !important;
    max-width: calc(100% + 36px + 16px) !important;
    height: 350px !important;
    margin-top: 0 !important;
    margin-left: -36px !important;
    margin-right: -16px !important;
    margin-bottom: -40px !important;
    padding-right: 0 !important;
    padding-left: 0 !important;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0 !important;
    overflow: hidden !important;
    background: transparent !important;
    position: relative !important;
    z-index: 1 !important;
    box-sizing: border-box !important;
  }
  
  .domain-icon img {
    object-fit: contain !important;
    object-position: top !important;
    margin: 0 !important;
    padding: 0 !important;
    display: block !important;
    width: 100% !important;
    height: 100% !important;
    min-width: 100% !important;
    max-width: 100% !important;
  }
  
  /* モバイル版タッチ操作性向上（スマホ最適化ルール適用） */
  .btn {
    min-height: 48px !important;
    padding: 14px 20px !important;
    font-size: 13px !important; /* ボタン/ラベル: 13px */
  }
  
  
  .nav-mobile-link {
    padding: var(--spacing-xl) var(--spacing-lg) !important;
    font-size: 13px !important;
    min-height: 48px !important;
  }
  
  .nav-mobile-list {
    padding-bottom: 0 !important;
  }
  
  .nav-mobile-list li:last-child .nav-mobile-link {
    border-bottom: none !important;
  }
  
  /* モバイル版ナビゲーション全幅対応 */
  .nav-mobile {
    left: 0 !important;
    right: 0 !important;
    width: 100vw !important;
    margin-left: calc(-50vw + 50%) !important;
  }
  
  /* モバイル版ハンバーガーメニュー最適化 */
  .hamburger {
    display: flex !important;
    min-width: 56px !important;
    min-height: 56px !important;
    padding: var(--spacing-md) !important;
    justify-content: center !important;
    align-items: center !important;
    margin-right: 0 !important;
    flex-shrink: 0 !important;
    z-index: 1001 !important;
    cursor: pointer !important;
    pointer-events: auto !important;
    position: relative !important;
  }
  
  .hamburger span {
   width: 24px !important;
   height: 3px !important;
 }
  
  .hamburger.active span:nth-child(1) {
   transform: rotate(45deg) !important;
   position: absolute !important;
   top: 50% !important;
   left: 50% !important;
   margin-left: -12px !important;
   margin-top: -1.5px !important;
 }
  
  .hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) !important;
    position: absolute !important;
    top: 50% !important;
    left: 50% !important;
    margin-left: -12px !important;
    margin-top: -1.5px !important;
  }
  
  /* モバイル版フォーム最適化 */
  .form-input,
  .form-textarea {
    font-size: 16px !important; /* iOS zoom防止 */
    padding: var(--spacing-lg) !important;
  }
  
  .contact-form-section {
    padding: 12px var(--spacing-md) !important;
    margin: 0 8px !important;
    text-align: center !important;
  }
  
  /* モバイル版フォーム余白調整 */
  .contact-header {
    margin-bottom: var(--spacing-lg) !important;
  }
  
  .form-title {
    margin-bottom: 12px !important;
  }
  
  .form-group {
    margin-bottom: 12px !important;
    max-width: 100% !important;
    text-align: center !important;
  }
  
  .form-label {
    text-align: left !important;
  }
  
  .form-input,
  .form-textarea,
  select.form-input {
    text-align: left !important;
  }
  
  .form-privacy {
    max-width: 100% !important;
    margin-bottom: 12px !important;
    text-align: center !important;
  }
  
  .privacy-label {
    min-height: 48px !important;
    justify-content: center !important;
    text-align: center !important;
  }
  
  .btn-submit {
    max-width: 100% !important;
    margin: 0 auto !important;
  }
  
  .contact-form {
    text-align: center !important;
  }
  
  .contact-subtitle {
    margin-bottom: 12px !important;
  }
  
  /* モバイル版テーブル最適化 */
  .company-table {
    font-size: 0.9rem;
    max-width: 100% !important;
    table-layout: fixed !important;
  }
  
  .company-table th {
    width: 30% !important;
    padding: var(--spacing-md) var(--spacing-lg) !important;
  }
  
  .company-table td {
    width: 70% !important;
    padding: var(--spacing-md) var(--spacing-lg) !important;
  }
  
  .contact-methods {
    display: flex !important;
    flex-direction: row !important;
    gap: var(--spacing-xs) !important;
    align-items: center !important;
    margin-top: var(--spacing-2xl) !important;
    margin-bottom: var(--spacing-2xl) !important;
    justify-content: center !important;
    flex-wrap: wrap !important;
  }
  
  .contact-group {
    max-width: none !important;
    flex: 1 !important;
    min-width: 120px !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
  }
  
  .contact-method-title {
    margin-bottom: var(--spacing-xs) !important;
  }
  
  /* モバイル版中央配置の徹底（スマホ最適化ルール適用） */
  .hero-content,
  .section-title,
  .contact-header {
    text-align: center !important;
    margin: 0 auto !important;
  }
  
  /* 戦略的コンサルティングアプローチセクションの見出し下の余白を20pxに設定 */
  #approach .section-title {
    margin: 0 auto 20px auto !important;
  }
  
  /* 専門コンサルティング領域セクションの見出し下の余白を20pxに設定 */
  #domains .section-title {
    margin: 0 auto 20px auto !important;
  }
  
  /* コンサルティングの強みセクションの見出しを下の要素のpaddingのすぐ上に表示 */
  .benefits-header {
    margin-bottom: 0 !important;
  }
  
  #benefits .section-title {
    margin-bottom: 0 !important;
  }
  
  .benefits-list {
    margin-top: 0 !important;
    padding-top: 0 !important;
  }
  
  /* ボックスやカードを中央に固定 */
  .domain-card,
  .mission-card,
  .faq-item,
  .contact-group {
    margin-left: auto !important;
    margin-right: auto !important;
    justify-content: center !important;
  }
  
  .benefit-item {
    margin-left: 0 !important;
    margin-right: 0 !important;
    width: 100% !important;
    max-width: 100% !important;
  }
  
  /* 1カラム縦並びレイアウト */
  .domains-grid,
  .faq-list {
    display: grid !important;
    grid-template-columns: 1fr !important; /* grid-cols-1 */
    gap: var(--spacing-lg) !important;
    max-width: 100% !important;
    width: 100% !important;
  }
  
  .benefits-list {
    display: grid !important;
    grid-template-columns: 1fr !important; /* grid-cols-1 */
    gap: var(--spacing-sm) !important; /* コンサルティングの強みセクションの縦の余白を小さく */
  }
  
  /* モバイル版余白調整 */
  .container {
    padding: 0 var(--spacing-md) !important;
  }
  
  /* モバイル版ヘッダー配置調整 */
  .header-content {
    padding-right: 0 !important;
    gap: var(--spacing-sm) !important;
  }
  
  .logo {
    flex: 1 !important;
    min-width: 0 !important;
    font-size: 15px !important;
  }
  
  .logo a {
    font-size: 15px !important;
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
  }
  
  /* モバイル版FAQ最適化 */
  .faq-question {
    font-size: 14px !important;
    padding: 6px var(--spacing-sm) !important;
    min-height: 40px !important;
    display: flex !important;
    align-items: center !important;
    width: 100% !important;
  }
  
  .faq-question span:first-child {
    flex: 1 !important;
    min-width: 0 !important;
  }
  
  .faq-answer p {
    font-size: 12px !important;
    padding: 0 var(--spacing-sm) var(--spacing-sm) !important;
  }
  
  .faq-item {
    width: 100% !important;
    max-width: 100% !important;
    margin-bottom: var(--spacing-xs) !important;
    padding-top: 0 !important;
    padding-bottom: 0 !important;
  }
  
  .faq-icon {
    font-size: 1.1rem !important;
    flex-shrink: 0 !important;
  }
  
  /* モバイル版フッター最適化 */
  .footer {
    padding: var(--spacing-2xl) 0 var(--spacing-lg) !important;
  }
  
  .footer-content {
    grid-template-columns: 1fr !important;
    gap: var(--spacing-xl) !important;
    margin-bottom: var(--spacing-xl) !important;
    text-align: center !important;
  }
  
  .footer-bottom {
    padding-top: var(--spacing-lg) !important;
  }
  
  .footer-nav ul {
    flex-direction: row !important;
    flex-wrap: wrap !important;
    justify-content: center !important;
    gap: var(--spacing-lg) !important;
  }
  
  .footer-buttons {
    flex-direction: row !important;
    justify-content: center !important;
    align-items: center !important;
    gap: var(--spacing-md) !important;
  }
  
  .footer-buttons .btn {
    width: calc(50% - var(--spacing-md) / 2) !important;
    max-width: 160px !important;
    margin: 0 !important;
    font-size: 14px !important;
    padding: 12px 16px !important;
  }
  
  /* モバイル版アプローチセクション最適化 */
  .approach {
    padding: var(--spacing-4xl) 0 !important;
  }
  
  .approach-flow-container {
    gap: 16px !important;
    margin-bottom: var(--spacing-4xl) !important;
  }
  
  .approach-flow-step {
    max-width: 100% !important;
  }
  
  .approach-arrow-box {
    padding: 12px 16px 12px 12px !important;
    min-height: 120px !important;
    clip-path: none !important;
    position: relative !important;
    flex-direction: column !important;
    align-items: flex-start !important;
    justify-content: flex-start !important;
    text-align: left !important;
  }
  
  .approach-step-number {
    display: none !important;
  }
  
  .approach-step-content {
    flex: 1 !important;
    min-width: 0 !important;
    display: flex !important;
    flex-direction: column !important;
    width: 100% !important;
    padding-top: 12px !important;
    padding-bottom: 12px !important;
  }
  
  .approach-step-title {
    display: flex !important;
    align-items: center !important;
    gap: 8px !important;
    font-size: 16px !important;
    min-height: auto !important;
    margin-bottom: 12px !important;
    text-align: left !important;
  }
  
  .approach-step-title::before {
    content: attr(data-number) !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    width: 24px !important;
    height: 24px !important;
    min-width: 24px !important;
    background: white !important;
    color: var(--color-brand-primary) !important;
    border-radius: 50% !important;
    font-weight: var(--font-weight-bold) !important;
    font-size: 0.875rem !important;
    flex-shrink: 0 !important;
    line-height: 1 !important;
  }
  
  .approach-step-desc {
    font-size: 13px !important;
    padding: 0 !important;
    text-align: left !important;
  }
  
  /* モバイル版disclaimer調整 */
  .approach-disclaimer {
    padding: var(--spacing-lg) !important;
    margin: 0 var(--spacing-sm) !important;
  }
  
  .approach-disclaimer p {
    padding-left: 1.2em !important;
    text-indent: -1.2em !important;
    font-size: 13px !important;
    line-height: 1.6 !important;
  }
  
  /* モバイル版パフォーマンス最適化 */
  .hero-background {
    background-attachment: scroll !important; /* モバイルでfixed無効化 */
  }
  
  /* モバイル版アニメーション軽量化 */
  
  /* モバイル版画像最適化 */
  .domain-icon img {
    object-fit: contain !important;
    object-position: top !important;
    padding: 0 !important;
    margin: 0 !important;
    width: 100% !important;
    height: 100% !important;
    min-width: 100% !important;
    max-width: 100% !important;
  }
  
  /* 画像下のグレー背景を解消 */
  .benefit-image-wrapper {
    background: transparent !important;
    overflow: hidden !important;
    aspect-ratio: 16 / 9 !important;
    max-height: 200px !important;
    display: flex !important;
    align-items: flex-start !important;
    justify-content: center !important;
    margin-top: -10px !important;
    padding-right: 0 !important;
    padding-left: 0 !important;
    width: 100% !important;
    max-width: 100% !important;
    position: relative !important;
    margin-left: auto !important;
    margin-right: auto !important;
    box-sizing: border-box !important;
    left: 0 !important;
    right: 0 !important;
    transform: translateX(0) !important;
  }
  
  /* benefitsセクションのパディングを確認 */
  .benefits {
    overflow-x: visible !important;
  }
  
  /* 親要素のパディングを確認 */
  .benefit-item {
    padding-right: 0 !important;
    margin-right: 0 !important;
    overflow: visible !important;
  }
  
  /* 親要素のパディングを確認 */
  .benefit-item {
    width: 100% !important;
    max-width: 100% !important;
    padding-left: 0 !important;
    padding-right: 0 !important;
    margin-left: 0 !important;
    margin-right: 0 !important;
    overflow: visible !important;
  }
  
  .benefits-container {
    padding-left: 0 !important;
    padding-right: 0 !important;
    max-width: 100% !important;
    margin-left: 0 !important;
    margin-right: 0 !important;
    width: 100% !important;
    overflow: visible !important;
  }
  
  .benefits-list {
    padding-left: 0 !important;
    padding-right: 0 !important;
    margin-left: 0 !important;
    margin-right: 0 !important;
    width: 100% !important;
    max-width: 100% !important;
    overflow: visible !important;
  }
  
  .benefit-image {
    object-fit: cover !important;
    object-position: center top !important;
    width: 100% !important;
    height: 100% !important;
    display: block !important;
    margin-left: auto !important;
    margin-right: auto !important;
    padding: 0 !important;
    min-width: 100% !important;
    max-width: 100% !important;
  }
  
  .domain-icon {
    background: transparent !important;
  }
  
  /* モバイル版スクロール最適化 */
  .hero {
    scroll-margin-top: var(--header-height-mobile) !important;
  }
  
  section[id] {
    scroll-margin-top: calc(var(--header-height-mobile) + 20px) !important;
  }
  
  /* モバイル版テキスト可読性向上 */
  .domain-text {
    font-size: 14px !important;
    text-align: left !important;
    line-height: 1.6 !important;
    display: block !important;
    height: auto !important;
    min-height: auto !important;
    align-items: unset !important;
    overflow: visible !important;
    margin-bottom: var(--spacing-md) !important;
    padding: 0 !important;
  }
  
  .domain-bullets {
    margin-top: 0 !important;
    margin-bottom: 0 !important;
    padding: 0 !important;
    text-align: left !important;
  }
  
  .domain-bullets li {
    font-size: 14px !important;
    line-height: 1.6 !important;
    margin-bottom: var(--spacing-sm) !important;
    padding-left: var(--spacing-lg) !important;
    padding-right: 0 !important;
    padding-top: 0 !important;
    padding-bottom: 0 !important;
  }
  
  /* モバイル版ボタン間隔調整 - 既に上で設定済み */
  
  .contact-methods {
    gap: var(--spacing-3xl) !important;
  }
  
  /* モバイル版企業理念のフォントサイズ調整 */
  .mission-lead {
    font-size: 13px !important;
    text-align: center !important;
  }
  
  .mission-description {
    font-size: 12px !important;
  }
  
  .mission-heading {
    font-size: 14px !important;
    text-align: center !important;
  }
  
  /* モバイル版ドメインカードのフォントサイズ */
  .domain-title {
    font-size: 14px !important; /* ボックス内見出しh3: 14px（モバイル） */
  }
  
  /* モバイル版ベネフィットセクションのフォントサイズ */
  .benefit-heading {
    font-size: 14px !important; /* ボックス内見出しh3: 14px（モバイル） */
    padding-left: 0 !important;
    margin-left: 0 !important;
    margin-bottom: 4px !important;
  }
  
  .benefit-label {
    margin-bottom: 4px !important;
  }
  
  .benefit-text-wrapper {
    text-align: left !important;
    padding-left: 0 !important;
  }
  
  .benefit-content {
    padding-top: 12px !important;
    padding-bottom: 12px !important;
    padding-left: 36px !important;
    padding-right: 16px !important;
  }
  
  .benefit-item-reverse .benefit-content {
    padding-top: 12px !important;
    padding-bottom: 12px !important;
    padding-left: 36px !important;
    padding-right: 16px !important;
  }
  
  .benefit-description {
    font-size: 14px !important;
    line-height: 1.6 !important;
    text-align: left !important;
    padding-left: 0 !important;
    margin-left: 0 !important;
  }
  
  .benefit-label {
    padding-left: 0 !important;
    margin-left: 0 !important;
  }
  
  /* 同様の要素を画像と同じレイアウトに統一 */
  .domain-card,
  .approach-step-content {
    padding-left: 36px !important;
    padding-right: 16px !important;
  }
  
  .mission-content {
    padding-left: 16px !important;
    padding-right: 16px !important;
  }
  
  .domain-title,
  .approach-step-title {
    text-align: center !important;
    padding-left: 0 !important;
    margin-left: 0 !important;
    margin-top: 0 !important;
    margin-bottom: 4px !important;
    padding-top: 0 !important;
    padding-bottom: 0 !important;
  }
  
  /* 画像のすぐ下から文言を表示 */
  .domain-card .domain-title {
    margin-top: -20px !important;
    padding-top: 0 !important;
    margin-bottom: 20px !important;
  }
  
  .domain-card .domain-icon {
    margin-bottom: -40px !important;
  }
  
  /* 画像と見出しの間の余白を半分に */
  .domain-card .domain-icon + .domain-title {
    margin-top: -20px !important;
    padding-top: 0 !important;
  }
  
  /* 画像のすぐ下に文言を表示 */
  .domain-icon img {
    margin: 0 !important;
    padding: 0 !important;
    display: block !important;
    object-fit: contain !important;
    object-position: top !important;
    width: 100% !important;
    height: 100% !important;
  }
  
  .mission-heading {
    text-align: center !important;
    padding-left: 0 !important;
    margin-left: 0 !important;
    margin-top: 40px !important; /* 見出しを下に下げる */
    margin-bottom: 20px !important; /* 文言が被らないように余白を増やす */
  }
  
  .domain-text,
  .approach-step-desc,
  .mission-description {
    text-align: left !important;
    padding-left: 0 !important;
    margin-left: 0 !important;
    margin-top: 0 !important;
    line-height: 1.6 !important;
  }
  
  .domain-bullets {
    text-align: left !important;
    padding-left: 0 !important;
    margin-left: 0 !important;
  }
  
  /* モバイル版お問い合わせセクションのフォントサイズ */
  .contact-method-title {
    font-size: 13px !important;
    margin-bottom: var(--spacing-xs) !important;
  }
  
  /* モバイル版フォームのフォントサイズ */
  .form-label {
    font-size: 14px !important;
  }
  
  .form-input,
  .form-textarea {
    font-size: 14px !important;
  }
  
  /* モバイル版会社情報テーブルのフォントサイズ */
  .company-table {
    font-size: 13px !important;
  }
  
  .company-table th,
  .company-table td {
    font-size: 13px !important;
  }
  
  /* 会社名だけ15pxにする */
  .company-table tr:first-child td {
    font-size: 15px !important;
  }
  
  /* モバイル版フッターのフォントサイズ */
  .footer-nav a,
  .footer-links a,
  .footer-copyright {
    font-size: 13px !important;
  }
  
  /* フッターの会社名だけ15pxにする */
  .footer-logo h3,
  .footer-logo-link {
    font-size: 15px !important;
  }
  
  /* フッターのその他の文言をすべて13pxにする */
  .footer-logo p,
  .footer-address,
  .footer-contact h4,
  .footer-cta h4,
  .footer p {
    font-size: 13px !important;
  }
  
  /* モバイル版お問い合わせ詳細のフォントサイズ */
  .contact-subtitle {
    font-size: 13px !important;
  }
  
  .phone-number {
    font-size: 16px !important;
  }
  
  .phone-note,
  .line-note {
    font-size: 13px !important;
  }
  
  .form-title {
    font-size: 18px !important;
  }
  
  /* モバイル版ボタンのバリエーション */
  .btn-large,
  .btn-small,
  .btn-submit,
  .line-btn,
  .phone-btn {
    font-size: 13px !important;
    width: clamp(160px, 45vw, 220px) !important;
    min-height: 48px !important;
    padding: 12px 20px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
  }
  
  .contact-phone,
  .contact-line {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
  }
  
  .contact-group {
    min-width: 120px !important;
  }
  
  /* モバイル版CTAバーのフォントサイズ */
  .mobile-cta-btn {
    font-size: 14px !important;
  }
  
  /* モバイル版その他のクラスのフォントサイズ */
  .disclaimer-title {
    font-size: 16px !important;
  }
  
  .disclaimer-list li {
    font-size: 13px !important;
  }
  
  .benefit-label span {
    font-size: 13px !important;
  }
  
  .approach-step-number {
    font-size: 18px !important;
  }
  
  .mission-label h3 {
    font-size: 18px !important;
  }
  
  .mission-subtitle {
    font-size: 22px !important;
  }
  
  .mission-subtitle-wrapper {
    top: 20px !important;
    left: 50% !important;
    transform: translateX(-50%) !important;
    right: auto !important;
    width: 100% !important;
  }
  
  /* モバイル版Our Mission背景テキスト */
  .mission-bg-title {
    font-size: clamp(32px, 12vw, 56px) !important;
    white-space: nowrap !important;
    overflow: visible !important;
  }
  
  .mission-bg-text {
    top: 0px !important;
    width: 100% !important;
    overflow: visible !important;
    padding: 0 16px !important;
    box-sizing: border-box !important;
  }
  
  /* モバイル版セクションタイトル下線の余白調整 */
  .section-title::after {
    margin-bottom: 10px !important;
  }
  
  /* 会社情報セクションの見出し下線を削除 */
  #company .section-title {
    position: static !important;
  }
  
  #company .section-title::after {
    all: unset !important;
    display: none !important;
    content: none !important;
  }
}

@media (min-width: 768px) {
  :root {
    --header-height-mobile: var(--header-height-desktop);
    --section-padding-mobile: var(--section-padding-desktop);
  }

  .faq-question {
    font-size: 1.1rem;
    min-height: 44px;
    padding: 8px var(--spacing-md);
  }

  .faq-answer p {
    font-size: 1rem;
  }

  .hero-background {
    background-attachment: fixed;
  }

  .container {
    padding: 0 var(--spacing-lg);
  }

  .nav-desktop {
    display: block;
  }

  .header-cta {
    display: flex;
    flex-direction: row;
    justify-content: center;
    gap: var(--spacing-md);
  }

  .header-cta .btn {
    width: clamp(120px, 12vw, 150px);
    font-size: clamp(0.9rem, 1.5vw, 1rem);
    padding: clamp(10px, 1.5vw, 14px) clamp(16px, 2vw, 24px);
  }


  .hamburger {
    display: none;
  }

  .hero-title {
    font-size: 50px;
  }

  .hero-subtitle {
    font-size: 23px;
  }




  .domains-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  /* タブレット・デスクトップ版アプローチセクション */
  .approach {
    padding: 80px 0;
  }

  .approach-flow-container {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 24px;
    align-items: flex-start;
    justify-content: flex-start;
    max-width: 1050px;
    margin-left: auto;
    margin-right: auto;
  }

  .approach-flow-step {
    width: calc(33.333% - 16px);
    min-width: 280px;
    max-width: 320px;
  }

  .approach-flow-step:nth-child(4),
  .approach-flow-step:nth-child(5) {
    width: calc(33.333% - 16px);
    min-width: 280px;
    max-width: 320px;
  }

  .approach-arrow-box {
    padding: 12px 20px 12px 0;
    min-height: 280px;
  }

  .approach-step-number {
    width: 52px;
    height: 52px;
    font-size: 1.5rem;
    margin-bottom: 14px;
  }

  .approach-step-title {
    font-size: 20px;
    min-height: 58px;
    margin-bottom: 12px;
  }

  .approach-step-desc {
    font-size: 14px;
    padding: 0 12px;
  }

  .approach-disclaimer {
    max-width: 100%;
    padding: var(--spacing-3xl);
    margin: 0 auto;
  }

  .approach-disclaimer p {
    font-size: 1rem;
  }

  .benefits-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .contact-methods {
    flex-direction: row;
    gap: var(--spacing-2xl);
  }

  .phone-btn,
  .line-btn {
    width: clamp(200px, 25vw, 280px);
    padding: 12px 20px;
    font-size: 13px;
    min-height: 48px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .company-content {
    grid-template-columns: 1fr;
    align-items: center;
    justify-items: center;
  }

  .footer-content {
    grid-template-columns: repeat(4, 1fr);
  }

  .footer-buttons {
    flex-direction: row;
  }

  .footer-buttons .btn {
    width: clamp(120px, 12vw, 150px);
    font-size: clamp(0.9rem, 1.5vw, 1rem);
    padding: clamp(10px, 1.5vw, 14px) clamp(16px, 2vw, 24px);
    min-height: 44px;
  }

  .mobile-cta-bar {
    display: none;
  }

  /* 会社情報セクションの見出し下線を削除（デスクトップ版） */
  #company .section-title {
    position: static !important;
  }
  
  #company .section-title::before,
  #company .section-title::after {
    all: unset !important;
    display: none !important;
    content: none !important;
  }

  /* Desktop-specific adjustments - Asymmetric playful layout */
  .hero {
    height: calc(75vh + var(--header-height-desktop));
    min-height: calc(75vh + var(--header-height-desktop));
    max-height: calc(75vh + var(--header-height-desktop));
  }

  .hero-content {
    text-align: center;
    max-width: 100%;
    position: relative;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .title-line-1 {
    margin-left: 0;
    position: relative;
  }

  .title-line-2 {
    margin-left: 0;
    position: relative;
    display: flex;
    align-items: center;
    gap: 0.3rem;
    flex-wrap: wrap;
    justify-content: center;
  }



  /* Asymmetric card layouts */
  .support-item:nth-child(odd) {
    margin-left: 0;
    border-left-color: var(--color-brand-secondary);
  }

  .support-item:nth-child(even) {
    margin-left: 0;
    margin-right: 0;
    border-left-color: var(--color-brand-secondary);
  }

  /* フローカードの左右のずれを削除して線を揃える */
  .flow-step {
    margin-left: 0;
    margin-right: 0;
  }

  /* Playful problem cards arrangement */
  .problems-grid {
    position: relative;
  }

  /* カードの傾きは削除 - まっすぐ配置 */

  /* Asymmetric contact methods */
  .contact-method:nth-child(1) {
    transform: translateY(-1rem);
  }

  .contact-method:nth-child(2) {
    transform: translateY(1rem);
  }
}

@media (min-width: 1024px) {
  .container {
    padding: 0 var(--spacing-xl);
  }

  .hero-title {
    font-size: 50px;
  }

  .hero-subtitle {
    font-size: 23px;
  }

  .domains-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  /* 1024px以上でのアプローチセクション調整 */
  .approach-flow-container {
    max-width: 1150px;
    gap: 32px;
    justify-content: flex-start;
    margin-left: auto;
    margin-right: auto;
  }

  .approach-flow-step {
    width: calc(33.333% - 24px);
    min-width: 300px;
    max-width: 350px;
  }

  .approach-flow-step:nth-child(4),
  .approach-flow-step:nth-child(5) {
    width: calc(33.333% - 24px);
    min-width: 300px;
    max-width: 350px;
  }

  .approach-arrow-box {
    padding: 12px 24px 12px 0;
    min-height: 300px;
  }

  .approach-step-number {
    width: 60px;
    height: 60px;
    font-size: 1.875rem;
  }

  .approach-step-title {
    font-size: 22px;
    min-height: 62px;
    margin-bottom: 12px;
  }

  .approach-step-desc {
    font-size: 15px;
    padding: 0 16px;
  }
}

/* ===== Animations ===== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* MV文字のフェードインアニメーション */
.fade-in-text {
  opacity: 0;
  transition: opacity 1.5s ease-out;
}

.fade-in-text.animate {
  opacity: 1;
}

.fade-in-delay {
  transition-delay: 0.6s;
}

@keyframes sparkle {
  0%, 100% {
    opacity: 0.7;
    transform: translateY(-50%) scale(1);
  }
  50% {
    opacity: 1;
    transform: translateY(-50%) scale(1.2);
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.fade-in-up {
  animation: fadeInUp 0.6s ease-out;
}

/* ===== Accessibility ===== */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Focus styles for keyboard navigation */
input:focus,
textarea:focus {
  outline: 2px solid var(--color-brand-primary);
  outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  .btn-primary {
    border: 2px solid var(--color-brand-on-primary);
  }
  
  .btn-secondary {
    border-width: 2px;
  }
}

/* ===== Mission Section ===== */
.mission {
  padding: 100px 0;
  background: var(--color-brand-primary);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
}

.mission-container {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 8px;
  width: 100%;
}

/* 背景テキスト */
.mission-bg-text {
  position: absolute;
  top: 120px;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  text-align: center;
  user-select: none;
  pointer-events: none;
  z-index: 10;
}

.mission-bg-title {
  font-size: 80px;
  font-weight: var(--font-weight-bold);
  color: rgba(255, 255, 255, 0.15);
  opacity: 1;
  letter-spacing: 0.05em;
  line-height: 1;
  text-shadow: none;
}

/* サブタイトル */
.mission-subtitle-wrapper {
  position: absolute;
  top: 125px;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  z-index: 11;
  width: 100%;
}

.mission-subtitle {
  font-size: 22px;
  color: rgba(255, 255, 255, 0.8);
  font-weight: var(--font-weight-bold);
}

/* 白いカード */
.mission-card {
  background: transparent;
  border-radius: 0;
  padding: 50px 16px 0;
  margin-top: 0;
  position: relative;
}

/* MISSIONアイテム */
.mission-label {
  flex-shrink: 0;
  padding-bottom: 20px;
}

.mission-label h3 {
  font-size: 18px;
  font-weight: var(--font-weight-bold);
  color: white;
  letter-spacing: 0.1em;
}

.mission-content {
  flex: 1;
}

.mission-heading {
  font-size: 24px;
  font-weight: var(--font-weight-bold);
  color: white;
  margin-top: 24px;
  margin-bottom: 12px;
  line-height: 1.2;
  text-align: center;
}

.mission-description {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.7;
}

/* タブレット・デスクトップ対応 */
@media (min-width: 768px) {
  .mission {
    padding: 100px 0;
  }

  .mission-container {
    padding: 0 12px;
  }

  .mission-bg-text {
    top: -50px;
    left: 50%;
    transform: translateX(-50%);
  }

  .mission-bg-title {
    font-size: 140px;
  }

  .mission-subtitle-wrapper {
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    right: auto;
  }

  .mission-subtitle {
    font-size: 22px;
  }

  .mission-card {
    padding: 50px 24px 0;
    margin-top: 0;
  }

  .mission-label {
    width: 140px;
    padding-bottom: 20px;
  }

  .mission-label h3 {
    font-size: 20px;
  }

  .mission-content {
    text-align: center;
  }

  .mission-heading {
    font-size: 28px;
    margin-bottom: 16px;
    text-align: center;
  }

  .mission-description {
    font-size: 15px;
    text-align: center;
  }
}

/* 大きな画面でのヒーローボタン調整 */
@media (min-width: 1200px) {
  .hero-text {
    max-width: 1200px;
  }
  
  .hero {
    height: calc(75vh + var(--header-height-desktop));
    min-height: calc(75vh + var(--header-height-desktop));
    max-height: calc(75vh + var(--header-height-desktop));
  }

  .hero-content {
    max-width: 1200px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .hero-title {
    margin-bottom: var(--spacing-3xl);
  }

  .hero-subtitle {
    margin-bottom: var(--spacing-4xl);
  }


  .header-cta .btn {
    width: clamp(130px, 10vw, 160px);
    font-size: clamp(0.95rem, 1.2vw, 1.1rem);
  }

  .phone-btn,
  .line-btn {
    width: clamp(220px, 22vw, 320px);
    padding: 12px 20px;
    font-size: 13px;
    min-height: 48px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .footer-buttons .btn {
    width: clamp(130px, 10vw, 160px);
    font-size: clamp(0.95rem, 1.2vw, 1.1rem);
    padding: 14px 22px;
    min-height: 48px;
  }
}

/* 超大画面でのヒーロー間隔調整 */
@media (min-width: 1400px) {
  .hero-title {
    margin-bottom: var(--spacing-4xl);
  }

  .hero-subtitle {
    margin-bottom: var(--spacing-5xl);
  }

}

/* スマホ版：事業領域セクション（#domains）の文字サイズ調整 */
/* ===== スマホ最適化ルール（767px以下） ===== */
@media screen and (max-width: 767px) {

  /* セクション見出し */
  #domains .section-title {
    font-size: 22px !important;
  }

  /* 各カードの見出し */
  #domains .domain-title {
    font-size: 16px !important;
  }

  /* 本文・箇条書き */
  #domains .domain-text {
    font-size: 14px !important;
    line-height: 1.6 !important;
    text-align: left !important;
    display: block !important;
    height: auto !important;
    min-height: auto !important;
    align-items: unset !important;
    overflow: visible !important;
    margin-bottom: var(--spacing-md) !important;
    padding: 0 !important;
  }
  
  #domains .domain-bullets {
    margin-top: 0 !important;
    margin-bottom: 0 !important;
    padding: 0 !important;
    text-align: left !important;
  }
  
  #domains .domain-bullets li {
    font-size: 14px !important;
    line-height: 1.6 !important;
    margin-bottom: var(--spacing-sm) !important;
    padding-left: var(--spacing-lg) !important;
    padding-right: 0 !important;
    padding-top: 0 !important;
    padding-bottom: 0 !important;
  }

  /* 見出しタグのフォントサイズ */
  h1, h2, h3, h4, h5, h6, p {
    line-height: 1.5 !important;
  }
  
  h2 {
    font-size: 20px !important;
  }
  
  h3 {
    font-size: 18px !important;
  }
  
  h4 {
    font-size: 16px !important;
  }
  
  h5 {
    font-size: 14px !important;
  }
  
  h6 {
    font-size: 13px !important;
  }

  /* 本文 */
  p {
    font-size: 13px !important;
  }

  /* 強調タグ */
  strong, b {
    font-size: 14px !important;
  }
  
  em, i {
    font-size: 13px !important;
  }

  /* リストタグ */
  ul, ol, li {
    font-size: 13px !important;
  }

  /* リンクタグ */
  a {
    font-size: 13px !important;
  }

  /* フォーム要素 */
  button, input, textarea {
    font-size: 14px !important;
  }

  /* カスタムクラス */
  .title {
    font-size: 16px !important;
  }
  
  .content {
    font-size: 13px !important;
  }
  
  .header {
    font-size: 14px !important;
  }

  /* 画像のレスポンシブ対応 */
  .image {
    max-width: 100% !important;
    height: auto !important;
  }
  
  img {
    max-width: 100% !important;
    height: auto !important;
  }

  /* お問い合わせフォーム全体の高さを最小化し、余白を減らす */
  .contact-form {
    padding: 8px !important;
    margin: 0 auto !important;
    max-width: 100% !important;
  }

  /* 入力フィールドとボタンの縦幅を調整 */
  input, textarea, button {
    margin-bottom: 6px !important;
  }

  /* 入力フィールドの高さを調整 */
  input, textarea {
    height: 36px !important;
    padding: 8px !important;
    font-size: 14px !important;
  }

  /* テキストエリアの高さを制限 */
  textarea {
    min-height: 60px !important;
    max-height: 100px !important;
    resize: vertical !important;
  }

  /* ボタンサイズの調整（最小44px x 44px） */
  button {
    padding: 10px 16px !important;
    font-size: 14px !important;
    min-height: 44px !important;
    min-width: 44px !important;
  }

  /* コンテナの余白調整 */
  .container {
    padding: 16px !important;
  }
}

/* ===== 320px以下（小さなスマートフォン） ===== */
@media screen and (max-width: 320px) {
  /* コンテナの余白 */
  .container {
    padding: 8px !important;
  }

  /* 見出しサイズ */
  h1 {
    font-size: 20px !important;
    line-height: 1.4 !important;
  }

  h2, .section-title {
    font-size: 22px !important; /* セクションタイトルh2: 22px（モバイル） */
  }

  h3 {
    font-size: 18px !important; /* h3: 18px（モバイル） */
  }

  h4 {
    font-size: 16px !important; /* h4: 16px（モバイル） */
  }

  /* ボックス内見出しh3: 14px（モバイル） */
  .benefit-heading,
  .approach-step-title,
  .mission-heading,
  .domain-title {
    font-size: 14px !important;
  }

  /* 本文サイズ */
  p {
    font-size: 13px !important; /* 本文: 13px（モバイル） */
    line-height: 1.6 !important;
  }

  /* ボタン/ラベル: 13px（モバイル） */
  button, .button, .btn, .form-label, label {
    min-width: 44px !important;
    min-height: 44px !important;
    padding: 8px !important;
    font-size: 13px !important;
  }

  /* キャプション/補足: 10px（モバイル） */
  .phone-note,
  .line-note,
  .email-note,
  .contact-subtitle,
  small,
  .faq-answer p {
    font-size: 10px !important;
  }

  /* ナビゲーション */
  .nav-bar, .nav-desktop {
    display: none !important;
  }

  .menu-button, .hamburger {
    display: flex !important;
  }

  /* 画像のサイズ調整 */
  .image, img {
    width: 100% !important;
    height: auto !important;
  }

  /* ヘッダー320px対応 */
  .header-content {
    gap: 4px !important;
    padding-top: 8px !important;
    padding-left: 4px !important;
    padding-right: 4px !important;
  }

  .logo {
    flex: 0 1 auto !important;
    min-width: 0 !important;
    max-width: calc(100% - 56px) !important;
    font-size: 15px !important;
  }

  .logo a {
    font-size: 15px !important;
    padding: 0 !important;
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
    max-width: 100% !important;
  }

  .hamburger {
    display: flex !important;
    flex-shrink: 0 !important;
    min-width: 44px !important;
    min-height: 44px !important;
    padding: 8px !important;
    margin-left: 4px !important;
  }

  .hamburger span {
    width: 18px !important;
  }

  /* フッター320px対応 */
  .footer {
    padding: var(--spacing-xl) 0 var(--spacing-md) !important;
  }
  
  .footer-content {
    gap: var(--spacing-lg) !important;
    margin-bottom: var(--spacing-lg) !important;
  }
  
  .footer-bottom {
    padding-top: var(--spacing-md) !important;
  }
  
  .footer-nav ul {
    flex-direction: column !important;
    gap: var(--spacing-xs) !important;
  }

  .footer-buttons {
    flex-direction: column !important;
    gap: var(--spacing-xs) !important;
  }

  .footer-buttons .btn {
    width: 100% !important;
    max-width: 100% !important;
    font-size: 0.875rem !important;
    padding: 10px 12px !important;
  }

  .footer-links {
    flex-direction: column !important;
    gap: var(--spacing-sm) !important;
  }

  .footer-links a {
    font-size: 0.75rem !important;
  }

  /* モバイルCTAバー320px対応 */
  .mobile-cta-bar {
    flex-direction: column !important;
  }

  .mobile-cta-btn {
    width: 100% !important;
    min-height: 48px !important;
    padding: 10px 12px !important;
    font-size: 0.875rem !important;
  }

  /* お問い合わせセクション320px対応 */
  .contact-methods {
    display: flex !important;
    flex-direction: row !important;
    gap: var(--spacing-xs) !important;
    justify-content: center !important;
    flex-wrap: wrap !important;
  }

  .contact-group {
    max-width: none !important;
    flex: 1 !important;
    min-width: 110px !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
  }
  
  .contact-method-title {
    font-size: 12px !important;
    margin-bottom: var(--spacing-xs) !important;
  }
  
  .line-btn,
  .phone-btn {
    font-size: 13px !important;
    width: clamp(120px, 35vw, 160px) !important;
    min-height: 48px !important;
    padding: 12px 20px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
  }
  
  .contact-phone,
  .contact-line {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
  }
  
  .contact-group {
    min-width: 110px !important;
  }

  /* ヒーローセクション320px対応 */
  .hero-title {
    font-size: 1.5rem !important;
    line-height: 1.3 !important;
    margin-bottom: var(--spacing-md) !important;
    padding: 0 4px !important;
  }

  .hero-subtitle {
    font-size: 0.875rem !important;
    line-height: 1.5 !important;
    padding: 0 4px !important;
  }

  .title-line {
    display: block !important;
    width: 100% !important;
  }

  .title-line-1,
  .title-line-2 {
    white-space: normal !important;
    overflow: visible !important;
    text-overflow: unset !important;
  }

  .title-part,
  .title-normal {
    display: block !important;
    white-space: normal !important;
  }

  /* セクションタイトル320px対応 */
  .section-title {
    font-size: 1.125rem !important;
    line-height: 1.4 !important;
    margin-bottom: var(--spacing-2xl) !important;
    padding: 0 4px !important;
  }
  
  /* 戦略的コンサルティングアプローチセクションの見出し下の余白を20pxに設定 */
  #approach .section-title {
    margin-bottom: 20px !important;
  }
  
  /* 専門コンサルティング領域セクションの見出し下の余白を20pxに設定 */
  #domains .section-title {
    margin-bottom: 20px !important;
  }
  
  /* コンサルティングの強みセクションの見出しを下の要素のpaddingのすぐ上に表示 */
  .benefits-header {
    margin-bottom: 0 !important;
  }
  
  #benefits .section-title {
    margin-bottom: 0 !important;
  }
  
  .benefits-list {
    margin-top: 0 !important;
    padding-top: 0 !important;
  }
  
  /* 会社情報セクションの見出し下の余白 */
  #company .section-title {
    margin-bottom: 20px !important;
  }
  
  /* 会社情報セクションの見出し下線を削除 */
  #company .section-title {
    position: static !important;
  }
  
  #company .section-title::after {
    all: unset !important;
    display: none !important;
    content: none !important;
  }
  
  #domains .section-title {
    font-size: 22px !important;
  }

  /* ドメインカード320px対応 */
  .domain-card {
    padding: var(--spacing-lg) !important;
    margin-bottom: var(--spacing-md) !important;
  }

  .domain-title {
    font-size: 16px !important;
    margin-bottom: var(--spacing-md) !important;
  }

  .domain-text {
    font-size: 14px !important;
    height: auto !important;
    min-height: auto !important;
    margin-bottom: var(--spacing-md) !important;
    line-height: 1.6 !important;
    text-align: left !important;
    display: block !important;
    align-items: unset !important;
    overflow: visible !important;
    padding: 0 !important;
  }

  .domain-bullets {
    margin-top: 0 !important;
    margin-bottom: 0 !important;
    padding: 0 !important;
    text-align: left !important;
  }
  
  .domain-bullets li {
    font-size: 14px !important;
    margin-bottom: var(--spacing-sm) !important;
    line-height: 1.6 !important;
    padding-left: var(--spacing-lg) !important;
    padding-right: 0 !important;
    padding-top: 0 !important;
    padding-bottom: 0 !important;
  }

  /* アプローチセクション320px対応 */
  .approach-flow-step {
    max-width: 100% !important;
    margin-bottom: var(--spacing-md) !important;
  }

  .approach-arrow-box {
    padding: 12px 12px 12px 0 !important;
    min-height: auto !important;
  }

  .approach-step-number {
    width: 36px !important;
    height: 36px !important;
    font-size: 16px !important;
    margin-bottom: 8px !important;
  }

  .approach-step-title {
    font-size: 14px !important; /* ボックス内見出しh3: 14px（モバイル） */
    min-height: auto !important;
    margin-bottom: 12px !important;
  }

  .approach-step-desc {
    font-size: 13px !important;
    padding: 0 4px !important;
  }

  .approach-disclaimer {
    padding: var(--spacing-md) !important;
    margin: 0 !important;
  }

  .approach-disclaimer p {
    font-size: 13px !important;
    line-height: 1.5 !important;
  }

  /* ベネフィットセクション320px対応 */
  .benefit-heading {
    font-size: 14px !important; /* ボックス内見出しh3: 14px（モバイル） */
    margin-bottom: 4px !important;
    padding-left: 0 !important;
    margin-left: 0 !important;
  }

  .benefit-description {
    font-size: 14px !important;
    line-height: 1.6 !important;
    text-align: left !important;
    padding-left: 0 !important;
    margin-left: 0 !important;
  }

  .benefit-label {
    padding-left: 0 !important;
    margin-left: 0 !important;
  }

  .benefit-label span {
    font-size: 13px !important;
  }
  
  .benefit-text-wrapper {
    padding-left: 0 !important;
  }
  
  .benefit-content {
    padding-top: 12px !important;
    padding-bottom: 12px !important;
    padding-left: 36px !important;
    padding-right: 16px !important;
  }
  
  .benefit-item-reverse .benefit-content {
    padding-top: 12px !important;
    padding-bottom: 12px !important;
    padding-left: 36px !important;
    padding-right: 16px !important;
  }

  /* ミッションセクション320px対応 */
  .mission-heading {
    font-size: 14px !important;
    margin-top: 60px !important; /* 見出しを下に下げる */
    margin-bottom: 20px !important; /* 文言が被らないように余白を増やす */
    text-align: center !important;
  }

  .mission-description {
    font-size: 12px !important;
    line-height: 1.6 !important;
    margin-top: 0 !important;
  }

  .mission-subtitle {
    font-size: 16px !important;
  }

  .mission-label h3 {
    font-size: 16px !important;
  }

  /* FAQセクション320px対応 */
  .faq-question {
    font-size: 12px !important;
    padding: 6px var(--spacing-xs) !important;
    min-height: 40px !important;
    display: flex !important;
    align-items: center !important;
  }

  .faq-answer p {
    font-size: 11px !important;
    padding: 0 var(--spacing-xs) var(--spacing-xs) !important;
  }
  
  .faq-item {
    margin-bottom: var(--spacing-xs) !important;
    padding-top: 0 !important;
    padding-bottom: 0 !important;
  }
  
  .faq-icon {
    font-size: 1rem !important;
    flex-shrink: 0 !important;
  }

  /* お問い合わせフォーム320px対応 */
  .contact-method-title {
    font-size: 14px !important;
    margin-bottom: var(--spacing-xs) !important;
  }

  .phone-number {
    font-size: 14px !important;
  }

  .phone-note,
  .line-note {
    font-size: 13px !important;
  }

  .form-title {
    font-size: 16px !important;
    margin-bottom: 12px !important;
  }

  .form-label {
    font-size: 13px !important;
    margin-bottom: var(--spacing-xs) !important;
  }

  .form-input,
  .form-textarea {
    font-size: 14px !important;
    padding: var(--spacing-sm) !important;
  }

  /* 会社情報テーブル320px対応 */
  .company-table {
    font-size: 13px !important;
  }

  .company-table th,
  .company-table td {
    font-size: 13px !important;
    padding: var(--spacing-sm) var(--spacing-xs) !important;
  }
  
  /* 会社名だけ15pxにする */
  .company-table tr:first-child td {
    font-size: 15px !important;
  }
  
  /* フッターの会社名だけ15pxにする */
  .footer-logo h3,
  .footer-logo-link {
    font-size: 15px !important;
  }
  
  /* フッターのその他の文言をすべて13pxにする */
  .footer-logo p,
  .footer-address,
  .footer-contact h4,
  .footer-cta h4,
  .footer p {
    font-size: 13px !important;
  }

  .disclaimer-title {
    font-size: 14px !important;
    margin-bottom: var(--spacing-sm) !important;
  }

  .disclaimer-list li {
    font-size: 13px !important;
    margin-bottom: var(--spacing-xs) !important;
  }

  /* 横スクロール防止 */
  body {
    overflow-x: hidden !important;
  }

  * {
    max-width: 100% !important;
    box-sizing: border-box !important;
  }

  /* ヒーローセクション高さ調整 */
  .hero {
    height: auto !important;
    min-height: calc(50svh + var(--header-height-mobile)) !important;
    padding: var(--spacing-2xl) 0 !important;
  }

  .hero-content {
    padding: var(--spacing-lg) 0 !important;
  }

  /* セクション間隔調整 */
  .domains,
  .approach,
  .benefits {
    padding: var(--spacing-xl) 0 20px 0 !important; /* コンサルティングの強みセクションの縦の余白を小さく */
  }
  
  .mission,
  .faq,
  .contact,
  .company {
    padding: var(--spacing-2xl) 0 20px 0 !important;
  }
}

/* ===== 375px以下（一般的なスマートフォン） ===== */
@media screen and (max-width: 375px) {
  /* コンテナの余白を設定 */
  .container {
    padding: 16px !important;
  }

  /* 見出しのフォントサイズ */
  h1 {
    font-size: 24px !important;
    line-height: 1.4 !important;
  }

  h2, .section-title {
    font-size: 22px !important; /* セクションタイトルh2: 22px（モバイル） */
  }

  h3 {
    font-size: 18px !important; /* h3: 18px（モバイル） */
  }

  h4 {
    font-size: 16px !important; /* h4: 16px（モバイル） */
  }

  /* ボックス内見出しh3: 14px（モバイル） */
  .benefit-heading,
  .approach-step-title,
  .mission-heading,
  .domain-title {
    font-size: 14px !important;
  }

  /* 本文のフォントサイズ */
  p {
    font-size: 13px !important; /* 本文: 13px（モバイル） */
    line-height: 1.6 !important;
  }

  /* ボタン/ラベル: 13px（モバイル） */
  button, .button, .btn, .form-label, label {
    min-width: 44px !important;
    min-height: 44px !important;
    padding: 12px !important;
    font-size: 13px !important;
  }

  /* キャプション/補足: 10px（モバイル） */
  .phone-note,
  .line-note,
  .email-note,
  .contact-subtitle,
  small,
  .faq-answer p {
    font-size: 10px !important;
  }

  /* 電話で相談・LINEで相談ボタンのフォントサイズ */
  .phone-btn,
  .line-btn {
    font-size: 13px !important;
  }

  /* 会社情報セクションの見出し下の余白 */
  #company .section-title {
    margin-bottom: 20px !important;
  }
  
  /* 会社情報セクションの見出し下線を削除 */
  #company .section-title {
    position: static !important;
  }
  
  #company .section-title::after {
    all: unset !important;
    display: none !important;
    content: none !important;
  }

  /* ナビゲーションバー */
  .nav-bar, .nav-desktop {
    display: none !important;
  }

  /* ハンバーガーメニュー */
  .hamburger {
    display: flex !important;
  }

  /* メニューのボタン */
  .menu-button {
    display: none !important;
  }

  /* 画像のサイズ設定 */
  .image, img {
    width: 100% !important;
    height: auto !important;
  }
}

/* ===== 425px以下（大きめのスマートフォン） ===== */
@media screen and (max-width: 425px) {
  /* コンテナの余白を設定 */
  .container {
    padding: 20px !important;
  }

  /* 見出しのフォントサイズ */
  h1 {
    font-size: 28px !important;
    line-height: 1.4 !important;
  }

  h3 {
    font-size: 18px !important; /* h3: 18px（モバイル） */
  }

  /* 本文のフォントサイズ */
  p {
    font-size: 18px !important;
    line-height: 1.6 !important;
  }

  /* ボタンのサイズ設定 */
  button, .button, .btn {
    min-width: 48px !important;
    min-height: 48px !important;
    padding: 16px !important;
    font-size: 18px !important;
  }

  /* 電話で相談・LINEで相談ボタンのフォントサイズ */
  .phone-btn,
  .line-btn {
    font-size: 13px !important;
  }

  /* 会社情報セクションの見出し下の余白 */
  #company .section-title {
    margin-bottom: 20px !important;
  }
  
  /* 会社情報セクションの見出し下線を削除 */
  #company .section-title {
    position: static !important;
  }
  
  #company .section-title::after {
    all: unset !important;
    display: none !important;
    content: none !important;
  }

  /* ナビゲーションバー */
  .nav-bar, .nav-desktop {
    display: none !important;
  }

  /* ハンバーガーメニュー */
  .hamburger {
    display: flex !important;
  }

  /* メニューのボタン */
  .menu-button {
    display: none !important;
  }

  /* 画像のサイズ設定 */
  .image, img {
    width: 100% !important;
    height: auto !important;
  }
}

/* ===== 425px以下（大きめのスマートフォン） ===== */
@media screen and (max-width: 425px) {
  /* コンテナの余白を設定 */
  .container {
    padding: 20px !important;
  }

  /* 見出しのフォントサイズ */
  h1 {
    font-size: 28px !important;
    line-height: 1.4 !important;
  }

  h3 {
    font-size: 18px !important; /* h3: 18px（モバイル） */
  }

  /* 本文のフォントサイズ */
  p {
    font-size: 18px !important;
    line-height: 1.6 !important;
  }

  /* ボタンのサイズ設定 */
  button, .button, .btn {
    min-width: 48px !important;
    min-height: 48px !important;
    padding: 16px !important;
    font-size: 18px !important;
  }

  /* 電話で相談・LINEで相談ボタンのフォントサイズ */
  .phone-btn,
  .line-btn {
    font-size: 13px !important;
  }

  /* 会社情報セクションの見出し下の余白 */
  #company .section-title {
    margin-bottom: 20px !important;
  }
  
  /* 会社情報セクションの見出し下線を削除 */
  #company .section-title {
    position: static !important;
  }
  
  #company .section-title::after {
    all: unset !important;
    display: none !important;
    content: none !important;
  }

  /* ナビゲーションバー */
  .nav-bar, .nav-desktop {
    display: none !important;
  }

  /* ハンバーガーメニュー */
  .hamburger {
    display: flex !important;
  }

  /* メニューのボタン */
  .menu-button {
    display: none !important;
  }

  /* 画像のサイズ設定 */
  .image, img {
    width: 100% !important;
    height: auto !important;
  }
}