@charset "UTF-8";
/* ========================================
   リセット & 基本設定
======================================== */
* {
  box-sizing: border-box;
  padding: 0;
  margin: 0;
}

:root {
  /* カラーパレット - グレーベース */
  --color-primary: #8B8B8B;
  --color-secondary: #B8B8B8;
  --color-dark: #5D5D5D;
  --color-dark-gray: #6B6B6B;
  --color-gray: #8B8B8B;
  --color-light-gray: #E8E8E8;
  --color-white: #FFF;
  --color-accent: #A0A0A0;
  /* アクセントカラー - 5社のメインカラーを融合（落ち着いた版） */
  /*
  カラー設計の根拠：
  - FULL-FILL（ブルー#4A90E2）+ funs（オレンジ#FF8C42）+ HypeApp（パープル#9B59B6）+ DUX（グリーン#52B788）+ AIm（シアン#06B6D4）
  - 5色を等分に混ぜ合わせ、彩度を40-50%に抑えて落ち着いたトーンに
  */
  --color-accent-primary: #8BA4BE; /* 5社カラーの平均（落ち着いたスレートブルー） */
  --color-accent-primary-light: #A8BFCE; /* ライトトーン */
  --color-accent-primary-dark: #7089A5; /* ダークトーン */
  --color-accent-secondary: #7BA89B; /* 5社カラーの平均（落ち着いたセージグリーン） */
  --color-accent-secondary-light: #98BFAF; /* ライトトーン */
  --color-accent-secondary-dark: #638E82; /* ダークトーン */
  --color-accent-tertiary: #F5E6D3; /* パステルクリーム色 */
  --color-accent-tertiary-light: #FFF4E0; /* ライトトーン */
  --color-accent-tertiary-dark: #E8D4B8; /* ダークトーン */
  /* グラデーション - グレー系 */
  --gradient-primary: linear-gradient(135deg, #9E9E9E 0%, #BDBDBD 100%);
  --gradient-dark: linear-gradient(135deg, #B0B0B0 0%, #D0D0D0 100%);
  --gradient-overlay: linear-gradient(135deg, rgba(158, 158, 158, 0.9) 0%, rgba(189, 189, 189, 0.8) 100%);
  /* グラデーション - アクセントカラー */
  --gradient-primary: linear-gradient(135deg, #8BA4BE 0%, #A8BFCE 100%);
  --gradient-secondary: linear-gradient(135deg, #7BA89B 0%, #98BFAF 100%);
  --gradient-tertiary: linear-gradient(135deg, #F5E6D3 0%, #FFF4E0 100%);
  --gradient-mixed: linear-gradient(135deg, #8BA4BE 0%, #7BA89B 50%, #F5E6D3 100%);
  --gradient-coral: linear-gradient(135deg, #8BA4BE 0%, #A8BFCE 100%);
  /* 各会社 */
  --gradient-all: linear-gradient(135deg, #4e4e4e, #2e2e2e);
  --gradient-info: linear-gradient(135deg, #e977b0, #dd5e97);
  --gradient-recruit: linear-gradient(135deg, #76ce86, #43ad5f);
  --gradient-full-fill: linear-gradient(135deg, #e03131, #c1272d);
  --gradient-funs: linear-gradient(135deg, #7a94a2 0%, #9FB5CE 100%);
  --gradient-hypeapp: linear-gradient(135deg, #868e96, #495057);
  --gradient-dux: linear-gradient(135deg, #cdca00, #aca900);
  --gradient-aim: linear-gradient(135deg, #1c7ed6, #031e89);
  --color-border-all: #2e2e2e;
  --color-border-info: #dd5e97;
  --color-border-recruit: #43ad5f;
  --color-border-full-fill: #c1272d;
  --color-border-funs: #7a94a2;
  --color-border-hypeapp: #495057;
  --color-border-dux: #aca900;
  --color-border-aim: #031e89;
  /* タイポグラフィ */
  --font-primary: 'M PLUS Rounded 1c', 'Hiragino Maru Gothic ProN', 'ヒラギノ丸ゴ ProN', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-secondary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  /* スペーシング */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;
  /* トランジション - 最先端イージング */
  --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition-bounce: all 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: all 0.7s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  /* シャドウ - マルチレイヤー */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04), 0 1px 4px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.08), 0 4px 16px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.1), 0 16px 32px rgba(0, 0, 0, 0.08);
  --shadow-xl: 0 12px 24px rgba(0, 0, 0, 0.12), 0 24px 48px rgba(0, 0, 0, 0.1);
  --shadow-glow: 0 0 20px rgba(139, 139, 139, 0.3), 0 0 40px rgba(139, 139, 139, 0.15);
}

html {
  scroll-behavior: smooth;
}

body {
  overflow-x: hidden;
  font-feature-settings: "palt" 1;
  line-height: 1.75;
  color: var(--color-dark);
  letter-spacing: 0.02em;
  word-wrap: break-word;
  overflow-wrap: break-word;
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* スクロールバーカスタマイズ */
::-webkit-scrollbar {
  width: 12px;
}

::-webkit-scrollbar-track {
  background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, #9E9E9E 0%, #BDBDBD 100%);
  border-radius: 6px;
  -webkit-transition: var(--transition-base);
  transition: var(--transition-base);
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, var(--color-primary) 0%, #A0A0A0 100%);
}

.container {
  max-width: 1200px;
  padding: 0 var(--spacing-md);
  margin: 0 auto;
}

/* テキスト要素の改行設定 */
h1, h2, h3, h4, h5, h6, p, li, span, a {
  word-break: normal;
  word-wrap: break-word;
  overflow-wrap: break-word;
}

/* 長い英単語やURLの改行 */
.about-card-text,
.service-card-description,
.case-preview-text,
.news-card-excerpt,
.company-description {
  word-break: break-word;
  overflow-wrap: anywhere;
}

/* ========================================
   アンカーリンク調整（固定ヘッダー対応）
======================================== */
.home .company-section[id] {
  scroll-margin-top: 100px;
}

/* ========================================
   ヘッダー
======================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1000;
  width: 100%;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.85) 0%, rgba(250, 250, 252, 0.8) 100%);
  backdrop-filter: blur(12px) saturate(180%);
  border-bottom: 1px solid rgba(139, 139, 139, 0.08);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.04);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  animation: headerSlideDown 0.8s ease-out;
}

@keyframes headerSlideDown {
  from {
    opacity: 0;
    transform: translateY(-100%);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.header.scrolled {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98) 0%, rgba(250, 250, 252, 0.96) 100%);
  backdrop-filter: blur(24px) saturate(180%);
  border-bottom: 1px solid rgba(139, 139, 139, 0.12);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.06), 0 8px 40px rgba(0, 0, 0, 0.08);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1400px;
  padding: 1.25rem var(--spacing-md);
  margin: 0 auto;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.header.scrolled .header-container {
  padding: 0.875rem var(--spacing-md);
}

.logo img {
  width: 140px;
}
@media (min-width: 1100px) {
  .logo img {
    width: 250px;
  }
}
@media (max-width: 768px) {
  .logo img {
    width: 166px;
  }
}

.logo a {
  position: relative;
  display: flex;
  align-items: baseline;
  font-family: var(--font-secondary);
  font-weight: 800;
  color: #4D4D4D;
  text-decoration: none;
  text-shadow: none;
  letter-spacing: 0.02em;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.logo a::before {
  position: absolute;
  top: -8px;
  right: -12px;
  bottom: -8px;
  left: -12px;
  z-index: -1;
  content: "";
  background: linear-gradient(135deg, rgba(139, 139, 139, 0.08), rgba(158, 158, 158, 0.04));
  border: 1px solid rgba(139, 139, 139, 0.1);
  border-radius: 10px;
  opacity: 0;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.header.scrolled .logo a {
  color: #4D4D4D;
  text-shadow: none;
}

.logo-text {
  font-size: 1.5rem;
  letter-spacing: 0.08em;
}

.logo-sub {
  margin-left: 0.3rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-primary);
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.header.scrolled .logo-sub {
  color: var(--color-primary);
}

.nav-list {
  display: flex;
  gap: clamp(0.313rem, -1.25rem + 3.33vw, 1.25rem);
  align-items: center;
  list-style: none;
}

.nav-list > li {
  position: relative;
  display: flex;
  align-items: center;
  text-align: center;
}

/* HOMEメニュー - デスクトップでは非表示 */
.nav-home {
  display: none;
}

/* ドロップダウン親要素 */
.nav-dropdown > a {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.nav-dropdown > a i {
  font-size: 0.625rem;
  transition: transform 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.nav-dropdown:hover > a i {
  transform: rotate(180deg) scale(1.1);
}

/* ドロップダウンメニュー */
.nav-dropdown-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  z-index: 1000;
  min-width: 240px;
  padding: 0.5rem;
  margin-top: 0.5rem;
  list-style: none;
  visibility: hidden;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98) 0%, rgba(252, 252, 254, 0.98) 100%);
  backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid rgba(139, 139, 139, 0.08);
  border-radius: 16px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15), 0 0 0 1px rgba(139, 139, 139, 0.1), inset 0 1px 0 rgba(255, 255, 255, 0.8);
  opacity: 0;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  transform: translateX(-50%) translateY(15px);
}

.nav-dropdown:hover .nav-dropdown-menu {
  visibility: visible;
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.nav-dropdown-menu::before {
  position: absolute;
  top: -6px;
  left: 50%;
  width: 12px;
  height: 12px;
  content: "";
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.98) 0%, rgba(252, 252, 254, 0.98) 100%);
  backdrop-filter: blur(20px);
  border-top: 1px solid rgba(139, 139, 139, 0.08);
  border-left: 1px solid rgba(139, 139, 139, 0.08);
  transform: translateX(-50%) rotate(45deg);
}

.nav-dropdown-menu li {
  margin: 0;
}

.nav-submenu-header {
  display: block;
  padding: 0.75rem 1.25rem;
  margin-top: 0.5rem;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  pointer-events: none;
  border-top: 1px solid #E5E5E5;
}

.nav-dropdown-menu a {
  position: relative;
  display: block;
  padding: 0.75rem 1.25rem;
  overflow: hidden;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-dark);
  text-decoration: none;
  text-shadow: none;
  border-radius: 10px;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-dropdown-menu a::before {
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  content: "";
  background: linear-gradient(180deg, var(--color-primary) 0%, #9E9E9E 100%);
  transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  transform: scaleY(0);
}

.nav-dropdown-menu a:hover {
  padding-left: 1.5rem;
  font-weight: 600;
  color: #4D4D4D;
  background: linear-gradient(135deg, rgba(139, 139, 139, 0.12) 0%, rgba(158, 158, 158, 0.08) 100%);
  box-shadow: 0 4px 12px rgba(139, 139, 139, 0.15);
  transform: translateX(6px) scale(1.02);
}

.nav-dropdown-menu a:hover::before {
  transform: scaleY(1);
}

.nav-dropdown-menu a::after,
.nav-dropdown-menu a::before {
  display: none;
}

.nav-list a {
  position: relative;
  display: flex;
  align-items: center;
  padding: 0.5rem 0;
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1;
  color: var(--color-dark);
  text-decoration: none;
  text-shadow: none;
  letter-spacing: 0.08em;
  opacity: 0.9;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.header.scrolled .nav-list a {
  color: var(--color-dark);
  text-shadow: none;
  opacity: 0.9;
}

.nav-list a::after {
  position: absolute;
  bottom: -5px;
  left: 50%;
  width: 0;
  height: 2px;
  content: "";
  background: linear-gradient(90deg, transparent, var(--color-primary) 20%, var(--color-primary) 80%, transparent);
  opacity: 0;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  transform: translateX(-50%);
}

.nav-list a:hover::after {
  width: 100%;
  opacity: 1;
}

.nav-list a::before {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: -1;
  width: calc(100% + 2rem);
  height: calc(100% + 1.2rem);
  content: "";
  background: linear-gradient(135deg, rgba(45, 45, 45, 0.95) 0%, rgba(70, 70, 70, 0.95) 100%);
  border-radius: 12px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12), inset 0 1px 0 rgba(255, 255, 255, 0.1);
  transition: all 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
  transform: translate(-50%, -50%) scale(0);
}

/* スクロール後のホバー背景 */
.header.scrolled .nav-list a::before {
  background: linear-gradient(135deg, rgba(45, 45, 45, 0.95) 0%, rgba(70, 70, 70, 0.95) 100%);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15), inset 0 1px 0 rgba(255, 255, 255, 0.12);
}

.nav-list a:hover::before {
  transform: translate(-50%, -50%) scale(1);
}

.nav-list a:hover {
  color: #FFF;
  letter-spacing: 0.1em;
  opacity: 1;
  transform: translateY(-2px);
}

.menu-toggle {
  position: relative;
  z-index: 1001;
  display: none;
  flex-direction: column;
  justify-content: space-around;
  width: 40px;
  height: 40px;
  padding: 8px;
  cursor: pointer;
  -webkit-user-select: none;
          user-select: none;
  background: transparent;
  border: 0;
  -webkit-tap-highlight-color: transparent;
  -webkit-touch-callout: none;
}

.menu-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-dark);
  border-radius: 2px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  transform-origin: center;
}

.menu-toggle span:nth-child(1) {
  transform: translateY(0);
}

.menu-toggle span:nth-child(2) {
  opacity: 1;
}

.menu-toggle span:nth-child(3) {
  transform: translateY(0);
}

/* ========================================
   ヒーローセクション
======================================== */
.hero {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
  min-height: 700px;
  overflow: hidden;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  z-index: -1;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: linear-gradient(135deg, var(--color-light-gray) 0%, #F5F5F5 50%, #E0E0E0 100%);
}

.hero-background::before {
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  content: "";
  background-image: radial-gradient(circle at 20% 30%, rgba(139, 139, 139, 0.12) 0%, transparent 50%), radial-gradient(circle at 80% 70%, rgba(158, 158, 158, 0.1) 0%, transparent 50%), radial-gradient(circle at 50% 50%, rgba(189, 189, 189, 0.08) 0%, transparent 40%), radial-gradient(circle at 10% 80%, rgba(139, 139, 139, 0.1) 0%, transparent 30%);
  opacity: 1;
  animation: gradientMove 20s ease-in-out infinite;
}

@keyframes gradientMove {
  0% {
    transform: translate(0, 0) scale(1) rotate(0deg);
  }
  33% {
    transform: translate(5%, 5%) scale(1.1) rotate(5deg);
  }
  66% {
    transform: translate(-5%, 3%) scale(0.95) rotate(-3deg);
  }
  100% {
    transform: translate(0, 0) scale(1) rotate(0deg);
  }
}
.hero-background::after {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  content: "";
  background-image: linear-gradient(45deg, transparent 48%, rgba(255, 255, 255, 0.08) 49%, rgba(255, 255, 255, 0.08) 51%, transparent 52%), linear-gradient(-45deg, transparent 48%, rgba(255, 255, 255, 0.08) 49%, rgba(255, 255, 255, 0.08) 51%, transparent 52%);
  background-size: 120px 120px;
  opacity: 0.5;
  animation: patternMove 30s linear infinite;
}

@keyframes patternMove {
  0% {
    background-position: 0 0, 0 0;
  }
  100% {
    background-position: 100px 100px, -100px -100px;
  }
}
.hero-shapes {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.shape {
  position: absolute;
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 50%;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08), inset 0 1px 0 rgba(255, 255, 255, 0.6);
}

.shape-1 {
  top: 10%;
  left: 5%;
  width: 300px;
  height: 300px;
  background: linear-gradient(135deg, rgba(139, 164, 190, 0.08), rgba(168, 191, 206, 0.04));
  animation: float1 25s ease-in-out infinite;
}

.shape-2 {
  top: 60%;
  right: 10%;
  width: 200px;
  height: 200px;
  background: linear-gradient(135deg, rgba(123, 168, 155, 0.08), rgba(152, 191, 175, 0.04));
  animation: float2 20s ease-in-out infinite;
}

.shape-3 {
  bottom: 15%;
  left: 15%;
  width: 150px;
  height: 150px;
  background: linear-gradient(135deg, rgba(245, 230, 211, 0.12), rgba(255, 244, 224, 0.08));
  animation: float3 22s ease-in-out infinite;
}

.shape-4 {
  top: 30%;
  right: 20%;
  width: 250px;
  height: 250px;
  background: linear-gradient(135deg, rgba(139, 164, 190, 0.06), rgba(245, 230, 211, 0.06));
  animation: float4 28s ease-in-out infinite;
}

.shape-5 {
  right: 5%;
  bottom: 30%;
  width: 100px;
  height: 100px;
  background: linear-gradient(135deg, rgba(123, 168, 155, 0.09), rgba(139, 164, 190, 0.05));
  animation: float5 18s ease-in-out infinite;
}

.shape-6 {
  top: 50%;
  left: 30%;
  width: 180px;
  height: 180px;
  background: linear-gradient(135deg, rgba(139, 164, 190, 0.07), rgba(123, 168, 155, 0.04));
  animation: float6 24s ease-in-out infinite;
}

@keyframes float1 {
  0%, 100% {
    transform: translate(0, 0) rotate(0deg);
  }
  25% {
    transform: translate(30px, -30px) rotate(90deg);
  }
  50% {
    transform: translate(-20px, 40px) rotate(180deg);
  }
  75% {
    transform: translate(40px, 20px) rotate(270deg);
  }
}
@keyframes float2 {
  0%, 100% {
    transform: translate(0, 0) rotate(0deg);
  }
  25% {
    transform: translate(-40px, 30px) rotate(-90deg);
  }
  50% {
    transform: translate(30px, -20px) rotate(-180deg);
  }
  75% {
    transform: translate(-20px, -40px) rotate(-270deg);
  }
}
@keyframes float3 {
  0%, 100% {
    transform: translate(0, 0) scale(1);
  }
  33% {
    transform: translate(40px, -40px) scale(1.2);
  }
  66% {
    transform: translate(-30px, 30px) scale(0.8);
  }
}
@keyframes float4 {
  0%, 100% {
    transform: translate(0, 0) rotate(0deg) scale(1);
  }
  50% {
    transform: translate(-50px, 50px) rotate(180deg) scale(1.1);
  }
}
@keyframes float5 {
  0%, 100% {
    transform: translate(0, 0);
  }
  33% {
    transform: translate(-30px, 40px);
  }
  66% {
    transform: translate(40px, -30px);
  }
}
@keyframes float6 {
  0%, 100% {
    transform: translate(0, 0) rotate(0deg);
  }
  50% {
    transform: translate(30px, 30px) rotate(360deg);
  }
}
.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 2;
  width: 100%;
  height: 100%;
  pointer-events: none;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 50%, rgba(255, 255, 255, 0.1) 100%);
}

.hero-content {
  position: relative;
  z-index: 10;
  padding: 0 var(--spacing-md);
  color: var(--color-white);
  text-align: center;
}

.hero-title {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2rem;
}

.hero-title-main {
  position: relative;
  font-family: var(--font-secondary);
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 900;
  letter-spacing: -0.02em;
  background: linear-gradient(90deg, #2D2D2D 0%, var(--color-dark) 25%, var(--color-primary) 50%, var(--color-dark) 75%, #2D2D2D 100%);
  filter: drop-shadow(0 4px 20px rgba(0, 0, 0, 0.12)) drop-shadow(0 0 40px rgba(139, 139, 139, 0.2));
  -webkit-background-clip: text;
          background-clip: text;
  background-size: 200% auto;
  opacity: 0;
  transform: translateX(-150px);
  animation: slideInFromLeft 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) forwards, gradientFlow 4s linear 0.8s infinite, textShine 8s ease-in-out 0.8s infinite;
  -webkit-text-fill-color: transparent;
}

.hero-title-main::after {
  position: absolute;
  bottom: -10px;
  left: 0;
  width: 100%;
  height: 4px;
  content: "";
  background: linear-gradient(90deg, transparent 0%, var(--color-dark) 25%, var(--color-primary) 50%, var(--color-dark) 75%, transparent 100%);
  background-size: 200% auto;
  border-radius: 2px;
  box-shadow: 0 0 20px rgba(139, 139, 139, 0.5), 0 0 40px rgba(139, 139, 139, 0.3), 0 0 60px rgba(139, 139, 139, 0.15);
  opacity: 0;
  animation: slideInFromLeft 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) forwards, glowingUnderline 3s ease-in-out 0.8s infinite;
}

@keyframes slideInFromLeft {
  0% {
    opacity: 0;
    transform: translateX(-150px);
  }
  70% {
    opacity: 1;
    transform: translateX(15px);
  }
  100% {
    opacity: 1;
    transform: translateX(0);
  }
}
@keyframes gradientFlow {
  0% {
    background-position: 0% center;
  }
  100% {
    background-position: 200% center;
  }
}
@keyframes glowingUnderline {
  0%, 100% {
    background-position: 0% center;
    box-shadow: 0 0 20px rgba(139, 139, 139, 0.5), 0 0 40px rgba(139, 139, 139, 0.3), 0 0 60px rgba(139, 139, 139, 0.15);
  }
  50% {
    background-position: 200% center;
    box-shadow: 0 0 30px rgba(189, 189, 189, 0.7), 0 0 60px rgba(189, 189, 189, 0.5), 0 0 90px rgba(189, 189, 189, 0.3);
  }
}
@keyframes textShine {
  0%, 100% {
    filter: drop-shadow(0 4px 20px rgba(0, 0, 0, 0.12)) drop-shadow(0 0 40px rgba(139, 139, 139, 0.15));
  }
  50% {
    filter: drop-shadow(0 4px 25px rgba(0, 0, 0, 0.15)) drop-shadow(0 0 60px rgba(139, 139, 139, 0.25));
  }
}
.hero-title-sub {
  font-family: var(--font-secondary);
  font-size: clamp(1.25rem, 3vw, 2rem);
  font-weight: 600;
  letter-spacing: 0.12em;
  background: linear-gradient(90deg, rgba(107, 107, 107, 0.95) 0%, rgb(139, 139, 139) 50%, rgba(107, 107, 107, 0.95) 100%);
  filter: drop-shadow(0 2px 15px rgba(255, 255, 255, 0.6));
  -webkit-background-clip: text;
          background-clip: text;
  opacity: 0;
  transform: translateX(-120px);
  animation: slideInFromLeft 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) 0.25s forwards, subtitleGlow 6s ease-in-out 1.05s infinite;
  -webkit-text-fill-color: transparent;
}

@keyframes subtitleGlow {
  0%, 100% {
    filter: drop-shadow(0 2px 15px rgba(255, 255, 255, 0.6));
  }
  50% {
    filter: drop-shadow(0 2px 20px rgba(255, 255, 255, 0.8)) drop-shadow(0 0 30px rgba(139, 139, 139, 0.3));
  }
}
/* ページヒーロー用アニメーション */
@keyframes heroPatternMove {
  0%, 100% {
    background-position: 0 0, 0 0, 0 0, 0 0, 0 0, 20% 30%, 80% 70%, 50% 50%;
  }
  50% {
    background-position: 5px 5px, -5px -5px, 5px -5px, -5px 5px, 3px 3px, 22% 32%, 78% 68%, 48% 52%;
  }
}
@keyframes heroShapesFloat {
  0%, 100% {
    background-position: 10% 40%, 90% 60%, 50% 80%, 30% 20%, 70% 80%;
  }
  25% {
    background-position: 12% 38%, 88% 62%, 48% 78%, 32% 22%, 68% 78%;
  }
  50% {
    background-position: 8% 42%, 92% 58%, 52% 82%, 28% 18%, 72% 82%;
  }
  75% {
    background-position: 11% 39%, 89% 61%, 49% 79%, 31% 21%, 69% 79%;
  }
}
@keyframes pageTitleGlow {
  0%, 100% {
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3), 0 4px 20px rgba(0, 0, 0, 0.2), 0 0 40px rgba(255, 255, 255, 0.1);
  }
  50% {
    text-shadow: 0 2px 15px rgba(0, 0, 0, 0.4), 0 4px 25px rgba(0, 0, 0, 0.25), 0 0 50px rgba(255, 255, 255, 0.15), 0 0 80px rgba(255, 255, 255, 0.08);
  }
}
.hero-description {
  margin-bottom: 3rem;
  font-size: clamp(1rem, 2vw, 1.125rem);
  line-height: 1.85;
  color: var(--color-primary);
  text-shadow: 0 2px 10px rgba(255, 255, 255, 0.5);
  letter-spacing: 0.03em;
}

.hero-cta {
  position: relative;
  z-index: 100;
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  justify-content: center;
}

.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 2rem;
  z-index: 10;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  opacity: 1;
  animation: fadeInScroll 1s ease-out 1.5s forwards;
}

@keyframes fadeInScroll {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.scroll-line {
  width: 1px;
  height: 50px;
  background: currentColor;
  animation: scrollMove 2.5s ease-in-out infinite;
}

@keyframes scrollMove {
  0%, 100% {
    opacity: 1;
    transform: translateY(0);
  }
  50% {
    opacity: 0.3;
    transform: translateY(15px);
  }
}
/* ========================================
   ボタン
======================================== */
.btn {
  display: inline-flex;
  gap: 0.5rem;
  align-items: center;
  padding: 1rem 2.5rem;
  font-family: var(--font-secondary);
  font-size: 0.9375rem;
  font-weight: 600;
  text-decoration: none;
  letter-spacing: 0.08em;
  cursor: pointer;
  border: 0;
  border-radius: 50px;
  transition: var(--transition-base);
}
.btn:disabled {
  pointer-events: none;
  opacity: 0.5;
}

.btn-primary {
  position: relative;
  overflow: hidden;
  font-weight: 700;
  color: var(--color-white);
  background: #5A5A5A;
  box-shadow: 0 4px 15px rgba(90, 90, 90, 0.4);
}

.btn-primary::before {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  content: "";
  background: rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  transition: width 0.6s, height 0.6s;
  transform: translate(-50%, -50%);
}

.btn-primary:hover::before {
  width: 300px;
  height: 300px;
}

.btn-primary:hover {
  box-shadow: 0 8px 30px rgba(90, 90, 90, 0.5), 0 0 20px rgba(90, 90, 90, 0.3);
  transform: translateY(-3px) scale(1.05);
}

.btn-secondary {
  position: relative;
  overflow: hidden;
  color: var(--color-white);
  background: transparent;
  border: 2px solid rgba(255, 255, 255, 0.6);
}

.btn-bd-black {
  color: var(--color-dark);
  border-color: currentColor;
}

.btn-secondary::before {
  position: absolute;
  top: 0;
  left: -100%;
  z-index: -1;
  width: 100%;
  height: 100%;
  content: "";
  background: var(--color-white);
  transition: left 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.btn-secondary:hover::before {
  left: 0;
}

.btn-secondary:hover {
  color: var(--color-primary);
  box-shadow: 0 8px 30px rgba(255, 255, 255, 0.4);
  transform: translateY(-3px) scale(1.05);
}

.btn-large {
  padding: 1.25rem 3rem;
  font-size: 1.0625rem;
  font-weight: 700;
}

.btn-large i {
  font-size: 1.125rem;
}

/* ========================================
   セクション共通
======================================== */
section {
  padding: var(--spacing-xl) 0;
}

section:nth-child(odd) {
  animation-delay: 0.1s;
}

section:nth-child(even) {
  animation-delay: 0.2s;
}

.section-header {
  margin-bottom: 3.5rem;
  text-align: center;
}

.section-label {
  position: relative;
  display: inline-block;
  padding: 0.625rem 1.75rem;
  margin-bottom: 1.25rem;
  font-family: var(--font-secondary);
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  background: linear-gradient(135deg, rgba(139, 139, 139, 0.06) 0%, rgba(158, 158, 158, 0.04) 100%);
  border: 1px solid rgba(139, 139, 139, 0.12);
  border-radius: 50px;
}

.section-label::before {
  position: absolute;
  top: 50%;
  left: 0.75rem;
  width: 4px;
  height: 4px;
  content: "";
  background: var(--color-primary);
  border-radius: 50%;
  transform: translateY(-50%);
}

.section-label::after {
  position: absolute;
  top: 50%;
  right: 0.75rem;
  width: 4px;
  height: 4px;
  content: "";
  background: var(--color-primary);
  border-radius: 50%;
  transform: translateY(-50%);
}

.section-title {
  margin-bottom: 1.25rem;
  font-family: var(--font-primary);
  font-size: clamp(1.875rem, 4.5vw, 2.75rem);
  font-weight: 700;
  line-height: 1.4;
  color: var(--color-dark);
  letter-spacing: -0.01em;
}

.section-description {
  max-width: 680px;
  margin: 0 auto;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--color-gray);
  letter-spacing: 0.02em;
}

/* ========================================
   Aboutセクション
======================================== */
.about {
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, #FAFBFC 0%, #FFF 50%, #F8F9FA 100%);
}

.about::before {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  content: "";
  background-image: radial-gradient(circle at 15% 20%, rgba(168, 155, 198, 0.03) 0%, transparent 50%), radial-gradient(circle at 85% 80%, rgba(126, 184, 197, 0.03) 0%, transparent 50%), radial-gradient(circle at 50% 50%, rgba(245, 230, 211, 0.03) 0%, transparent 70%);
}

/* 浮遊装飾要素 */
.about-bg-decoration {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  pointer-events: none;
}

.floating-shape {
  position: absolute;
  opacity: 0.06;
}

.shape-circle-1 {
  top: 10%;
  left: -100px;
  width: 300px;
  height: 300px;
  background: linear-gradient(135deg, rgba(176, 137, 214, 0.06), rgba(203, 169, 234, 0.04));
  border-radius: 50%;
  animation: floatDiagonal 20s ease-in-out infinite;
}

.shape-circle-2 {
  right: -50px;
  bottom: 15%;
  width: 200px;
  height: 200px;
  background: linear-gradient(225deg, rgba(95, 188, 212, 0.06), rgba(130, 211, 232, 0.04));
  border-radius: 50%;
  animation: floatDiagonal 25s ease-in-out infinite reverse;
}

.shape-triangle {
  top: 50%;
  right: 10%;
  width: 0;
  height: 0;
  border-right: 150px solid transparent;
  border-bottom: 260px solid rgba(139, 139, 139, 0.8);
  border-left: 150px solid transparent;
  animation: floatRotate 30s linear infinite;
}

@keyframes floatDiagonal {
  0%, 100% {
    transform: translate(0, 0) rotate(0deg);
  }
  50% {
    transform: translate(50px, -30px) rotate(180deg);
  }
}
@keyframes floatRotate {
  0% {
    transform: rotate(0deg) translateY(0);
  }
  50% {
    transform: rotate(180deg) translateY(-20px);
  }
  100% {
    transform: rotate(360deg) translateY(0);
  }
}
.about .container {
  position: relative;
  z-index: 1;
}

/* フローライン装飾 */
.about-flow-container {
  position: relative;
}

.flow-line-decoration {
  position: absolute;
  top: 50%;
  right: 0;
  left: 0;
  z-index: 0;
  display: none;
  height: 2px;
  background: linear-gradient(to right, transparent 0%, rgba(139, 139, 139, 0.2) 20%, rgba(139, 139, 139, 0.4) 50%, rgba(139, 139, 139, 0.2) 80%, transparent 100%);
  transform: translateY(-50%);
}

@media (min-width: 1024px) {
  .flow-line-decoration {
    display: block;
  }
}
.about-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  padding: 0 1rem;
  margin-bottom: var(--spacing-lg);
}

@media (min-width: 1200px) {
  .about-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 2.5rem;
  }
}
@media (min-width: 768px) and (max-width: 1199px) {
  .about-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
  }
}
.about-card {
  position: relative;
  padding: 3rem 2.5rem;
  overflow: visible;
  text-align: center;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.95) 0%, rgba(252, 252, 254, 0.98) 100%);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(139, 139, 139, 0.08);
  border-radius: 20px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.08), 0 0 0 1px rgba(139, 139, 139, 0.06), inset 0 1px 0 rgba(255, 255, 255, 0.8);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.about-card::before {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  content: "";
  background: radial-gradient(circle at 50% 0%, rgba(139, 139, 139, 0.04) 0%, transparent 60%);
  border-radius: inherit;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.about-card::after {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 4px;
  content: "";
  background: linear-gradient(90deg, transparent, var(--color-primary) 50%, transparent);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  transform: scaleX(0);
}

.about-card-logo {
  width: 120px;
  height: 120px;
  padding: 1rem;
  margin-inline: auto;
  margin-bottom: 1.5rem;
  border: 2px solid var(--color-light-gray);
  border-radius: 16px;
}
.about-card-logo img {
  display: block;
  width: 100%;
  height: auto;
  -o-object-fit: contain;
     object-fit: contain;
}

.about-card-icon {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 90px;
  height: 90px;
  margin: 0 auto 2rem;
  font-size: 2.25rem;
  color: var(--color-dark);
  background: linear-gradient(135deg, #C8C8C8 0%, #D8D8D8 100%);
  border-radius: 24px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08), inset 0 1px 0 rgba(255, 255, 255, 0.8);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.about-card-icon::before {
  position: absolute;
  inset: -2px;
  padding: 2px;
  content: "";
  background: linear-gradient(135deg, rgba(139, 139, 139, 0.3), rgba(158, 158, 158, 0.1));
  border-radius: 26px;
  opacity: 0;
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
          mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  transition: opacity 0.4s ease;
  -webkit-mask-composite: xor;
          mask-composite: exclude;
}

.about-card-title {
  position: relative;
  display: inline-block;
  margin-bottom: 1rem;
  font-family: var(--font-secondary);
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--color-dark);
  letter-spacing: 0.01em;
  transition: all 0.3s ease;
}

.about-card-text {
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--color-dark-gray);
  letter-spacing: 0.01em;
  transition: color 0.3s ease;
}

/* About Card アクセントカラー - 各社コーポレートカラー（落ち着いたトーン） */
.about-card-orange .about-card-icon {
  color: var(--color-white);
  background: linear-gradient(135deg, var(--color-accent-secondary) 0%, #8FB89C 100%);
  box-shadow: 0 10px 30px rgba(123, 168, 155, 0.25), inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

.about-card-orange:hover .about-card-icon {
  box-shadow: 0 15px 40px rgba(123, 168, 155, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.about-card-teal .about-card-icon {
  color: var(--color-white);
  background: linear-gradient(135deg, var(--color-accent-primary) 0%, #9FB5CE 100%);
  box-shadow: 0 10px 30px rgba(139, 164, 190, 0.25), inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

.about-card-teal:hover .about-card-icon {
  box-shadow: 0 15px 40px rgba(139, 164, 190, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.about-card-yellow .about-card-icon {
  color: var(--color-white);
  background: linear-gradient(135deg, #B89DC9 0%, #C9B3D9 100%);
  box-shadow: 0 10px 30px rgba(184, 157, 201, 0.25), inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

.about-card-yellow:hover .about-card-icon {
  box-shadow: 0 15px 40px rgba(184, 157, 201, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.about-card-gradient .about-card-icon {
  color: var(--color-white);
  background: linear-gradient(135deg, #7BAFBE 0%, #93C4D0 100%);
  box-shadow: 0 10px 30px rgba(123, 175, 190, 0.25), inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

.about-card-gradient:hover .about-card-icon {
  box-shadow: 0 15px 40px rgba(123, 175, 190, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.about-video {
  max-width: 1000px;
  padding: 0 1rem;
  margin: 0 auto;
}

.video-wrapper {
  position: relative;
  height: 0;
  padding-bottom: 56.25%;
  overflow: hidden;
  border: 2px solid rgba(255, 255, 255, 0.8);
  border-radius: 24px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.12), 0 0 0 1px rgba(139, 139, 139, 0.08);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.video-wrapper:hover {
  box-shadow: 0 40px 100px rgba(0, 0, 0, 0.15), 0 0 0 1px rgba(139, 139, 139, 0.12);
  transform: translateY(-4px);
}

.video-wrapper iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.video-caption {
  margin-top: 2rem;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-dark-gray);
  text-align: center;
  letter-spacing: 0.05em;
}

/* ========================================
   グループ会社セクション
======================================== */
/* ========================================
   会社概要セクション
======================================== */
.company-overview {
  padding: var(--spacing-xl) 0;
  background: linear-gradient(to bottom, #FFF 0%, #F8FAFC 100%);
}

.company-info-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  padding: 3rem;
  margin-bottom: 3rem;
  background: var(--color-white);
  border-radius: 20px;
  box-shadow: 0 4px 20px rgba(93, 93, 93, 0.08);
}

.company-info-item {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 2rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid #F1F5F9;
}

.company-info-item:last-child {
  border-bottom: 0;
}

.company-info-label {
  font-size: 1rem;
  font-weight: 700;
  color: #4D4D4D;
}

.company-info-value {
  margin: 0;
  font-size: 1rem;
  line-height: 1.8;
  color: #2D2D2D;
}

.company-info-value a {
  font-weight: 500;
  color: var(--color-dark);
  text-decoration: none;
  transition: all 0.3s ease;
}

.company-info-value a:hover {
  color: #4D4D4D;
  text-decoration: underline;
}

.company-map {
  margin-top: 3rem;
}

.company-map-title {
  margin-bottom: 1.5rem;
  font-family: var(--font-secondary);
  font-size: 1.75rem;
  font-weight: 700;
  color: #2D2D2D;
}

.map-container {
  overflow: hidden;
  border-radius: 16px;
  box-shadow: 0 4px 20px rgba(93, 93, 93, 0.1);
}

.map-container iframe {
  display: block;
  width: 100%;
}

/* カード全体のリンクラッパー */
.company-card-link-wrapper {
  display: block;
  color: inherit;
  text-decoration: none;
  transition: var(--transition-base);
}

.company-card-link-wrapper:hover .company-card {
  box-shadow: var(--shadow-xl), var(--shadow-glow);
  transform: translateY(-12px) scale(1.02);
}

.company-card-link-wrapper:hover .company-card-overlay {
  background: linear-gradient(135deg, rgba(158, 158, 158, 0.7) 0%, rgba(189, 189, 189, 0.5) 100%);
}

.company-card-link-wrapper:hover .company-card-logo-text {
  transform: scale(1.05);
}

.company-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--color-white);
  border: 1px solid rgba(139, 139, 139, 0.08);
  border-radius: 20px;
  box-shadow: var(--shadow-md);
  transition: var(--transition-smooth);
  transform-style: preserve-3d;
  perspective: 1000px;
}

.company-card * {
  text-decoration: none !important;
}

.company-card h3,
.company-card h3 *,
.company-card-title,
.company-card-title * {
  text-decoration: none !important;
  text-decoration-line: none !important;
  text-decoration-style: none !important;
  border-bottom: 0 !important;
}

.company-card-image {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 200px;
  overflow: hidden;
  cursor: pointer;
  background: var(--gradient-primary);
}

.company-card-image::before {
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  content: "";
  background-image: radial-gradient(circle at 30% 40%, rgba(255, 255, 255, 0.1) 0%, transparent 50%), radial-gradient(circle at 70% 60%, rgba(255, 255, 255, 0.08) 0%, transparent 50%);
  animation: cardPatternMove 20s linear infinite;
}

@keyframes cardPatternMove {
  0% {
    transform: translate(0, 0) rotate(0deg);
  }
  100% {
    transform: translate(10%, 10%) rotate(360deg);
  }
}
.company-card-overlay {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(158, 158, 158, 0.8) 0%, rgba(189, 189, 189, 0.6) 100%);
}

.company-card-logo {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  padding: 2rem;
}

/* ロゴ画像スタイル */
.company-card-logo img {
  width: auto;
  max-width: 80%;
  height: auto;
  max-height: 120px;
  filter: brightness(0) invert(1);
  /* 白色に変換（ロゴがカラーの場合はこの行を削除） */
  transition: var(--transition-base);
  -o-object-fit: contain;
     object-fit: contain;
}

.company-card:hover .company-card-logo img {
  filter: brightness(0) invert(1) drop-shadow(0 4px 12px rgba(255, 255, 255, 0.4));
  transform: scale(1.05);
}

/* テキストロゴスタイル（画像がない場合のフォールバック） */
.company-card-logo-text {
  font-family: var(--font-secondary);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-white);
  text-decoration: none !important;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 0 !important;
  transition: var(--transition-base);
}

/* ロゴエリアの注釈（Betabox用） */
.company-card-logo-note {
  position: absolute;
  bottom: 1rem;
  left: 50%;
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.8);
  white-space: nowrap;
  background: rgba(0, 0, 0, 0.3);
  border-radius: 12px;
  transform: translateX(-50%);
}

.company-card-content {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  padding: 2rem;
}

.company-card-title {
  margin-bottom: 1rem;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-dark);
  text-decoration: none !important;
  border-bottom: 0 !important;
}

.company-card-title::after,
.company-card-title::before {
  display: none !important;
}

/* 会社カードタイトル内のすべての要素から下線を削除 */
.company-card-title * {
  text-decoration: none !important;
  border-bottom: 0 !important;
}

.company-card-description {
  flex-grow: 1;
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--color-gray);
}

.company-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.tag {
  display: inline-block;
  padding: 0.375rem 1rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-primary);
  background: var(--color-light-gray);
  border-radius: 50px;
}

.company-card-link {
  display: inline-flex;
  gap: 0.5rem;
  align-items: center;
  font-weight: 600;
  color: var(--color-primary);
  text-decoration: none;
  transition: var(--transition-base);
}

.company-card-link:hover {
  gap: 1rem;
}

/* ========================================
   事例プレビューセクション
======================================== */
.cases-preview {
  background: linear-gradient(to bottom, #F8FAFC 0%, #FFF 100%);
}

.cases-preview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

.case-preview-card {
  overflow: hidden;
  background: var(--color-white);
  border: 1px solid rgba(139, 139, 139, 0.08);
  border-radius: 16px;
  box-shadow: var(--shadow-sm);
}

.case-preview-header {
  position: relative;
}

.case-preview-image {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 180px;
  overflow: hidden;
  background: var(--gradient-primary);
}

.case-preview-image::before {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  content: "";
  background-image: radial-gradient(circle at 30% 40%, rgba(255, 255, 255, 0.1) 0%, transparent 50%), radial-gradient(circle at 70% 60%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
}

.case-preview-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(139, 164, 190, 0.5) 0%, rgba(168, 191, 206, 0.3) 100%);
}

.case-preview-card:nth-child(2n) .case-preview-overlay {
  background: linear-gradient(135deg, rgba(123, 168, 155, 0.5) 0%, rgba(152, 191, 175, 0.3) 100%);
}

.case-preview-card:nth-child(3n) .case-preview-overlay {
  background: linear-gradient(135deg, rgba(245, 230, 211, 0.5) 0%, rgba(255, 244, 224, 0.3) 100%);
}

.case-preview-card:nth-child(4n) .case-preview-overlay {
  background: linear-gradient(135deg, rgba(123, 175, 190, 0.5) 0%, rgba(147, 196, 208, 0.3) 100%);
}

.case-preview-card:nth-child(5n) .case-preview-overlay {
  background: linear-gradient(135deg, rgba(184, 157, 201, 0.5) 0%, rgba(201, 179, 217, 0.3) 100%);
}

.case-preview-number {
  position: relative;
  z-index: 1;
  font-family: var(--font-secondary);
  font-size: 4.5rem;
  font-weight: 900;
  line-height: 1;
  color: rgba(255, 255, 255, 0.9);
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3), 0 0 40px rgba(255, 255, 255, 0.5);
  letter-spacing: -0.05em;
}

.case-preview-meta {
  position: absolute;
  right: 1.5rem;
  bottom: 1rem;
  left: 1.5rem;
  z-index: 2;
}

.case-preview-company {
  display: inline-block;
  padding: 0.625rem 1.5rem;
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--color-white);
  background: rgba(10, 14, 39, 0.9);
  backdrop-filter: blur(12px);
  border: 2px solid rgba(255, 255, 255, 0.2);
  border-radius: 50px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* 各社カラー */
.case-preview-card[data-company=full-fill] .case-preview-company {
  background: var(--gradient-full-fill);
  border-color: var(--color-border-full-fill);
}

.case-preview-card[data-company=funs] .case-preview-company {
  background: var(--gradient-funs);
  border-color: var(--color-border-funs);
}

.case-preview-card[data-category=hypeapp] .case-preview-company {
  background: var(--gradient-hypeapp);
  border-color: var(--color-border-hypeapp);
}

.case-preview-card[data-company=dux] .case-preview-company {
  background: var(--gradient-dux);
  border-color: var(--color-border-dux);
}

.case-preview-card[data-company=aim] .case-preview-company {
  background: var(--gradient-aim);
  border-color: var(--color-border-aim);
}

.case-preview-content {
  padding: 1.75rem;
}

.case-preview-title {
  margin-bottom: 1rem;
  font-size: 1.25rem;
  font-weight: 800;
  line-height: 1.4;
  color: #2D2D2D;
  letter-spacing: -0.01em;
}

.case-preview-text {
  margin-bottom: 1.5rem;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: #4D4D4D;
}

.case-preview-results {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 1rem;
  padding-top: 1.5rem;
  border-top: 2px solid var(--color-light-gray);
}

.preview-result-item {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 1rem 0.75rem;
  overflow: hidden;
  text-align: center;
  background: linear-gradient(135deg, rgba(139, 164, 190, 0.08) 0%, rgba(168, 191, 206, 0.05) 100%);
  border-radius: 12px;
}

.preview-result-item::before {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  content: "";
  background: linear-gradient(90deg, var(--color-accent-primary) 0%, var(--color-accent-primary-light) 100%);
}

.case-preview-card:nth-child(2n) .preview-result-item {
  background: linear-gradient(135deg, rgba(123, 168, 155, 0.08) 0%, rgba(152, 191, 175, 0.05) 100%);
}

.case-preview-card:nth-child(2n) .preview-result-item::before {
  background: linear-gradient(90deg, var(--color-accent-secondary) 0%, #8FB89C 100%);
}

.case-preview-card:nth-child(3n) .preview-result-item {
  background: linear-gradient(135deg, rgba(245, 230, 211, 0.12) 0%, rgba(255, 244, 224, 0.08) 100%);
}

.case-preview-card:nth-child(3n) .preview-result-item::before {
  background: linear-gradient(90deg, var(--color-accent-tertiary) 0%, var(--color-accent-tertiary-light) 100%);
}

.case-preview-card:nth-child(4n) .preview-result-item {
  background: linear-gradient(135deg, rgba(123, 175, 190, 0.08) 0%, rgba(147, 196, 208, 0.05) 100%);
}

.case-preview-card:nth-child(4n) .preview-result-item::before {
  background: linear-gradient(90deg, #7BAFBE 0%, #93C4D0 100%);
}

.case-preview-card:nth-child(5n) .preview-result-item {
  background: linear-gradient(135deg, rgba(184, 157, 201, 0.08) 0%, rgba(201, 179, 217, 0.05) 100%);
}

.case-preview-card:nth-child(5n) .preview-result-item::before {
  background: linear-gradient(90deg, #B89DC9 0%, #C9B3D9 100%);
}

.preview-result-value {
  margin-bottom: 0.5rem;
  font-family: var(--font-secondary);
  font-size: 2rem;
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--color-accent-primary) 0%, #5D7A9B 100%);
  -webkit-background-clip: text;
          background-clip: text;
  -webkit-text-fill-color: transparent;
}

.preview-result-label {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-dark);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

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

/* ========================================
   ページヒーロー（共通）
======================================== */
.page-hero {
  position: relative;
  padding: calc(var(--spacing-xl) + 80px) 0 var(--spacing-lg);
  overflow: hidden;
}

.page-hero-background {
  position: absolute;
  top: 0;
  left: 0;
  z-index: -1;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: linear-gradient(135deg, #4D4D4D 0%, var(--color-dark-gray) 50%, var(--color-dark) 100%);
}

.page-hero-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  filter: grayscale(100%);
  opacity: 0;
  -o-object-fit: cover;
     object-fit: cover;
}

.page-hero-background::before {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  content: "";
  background-image: radial-gradient(circle at 50% 0%, rgba(255, 255, 255, 0.04) 0%, transparent 50%), radial-gradient(circle at 0% 50%, rgba(255, 255, 255, 0.04) 0%, transparent 50%), radial-gradient(circle at 100% 50%, rgba(255, 255, 255, 0.04) 0%, transparent 50%), radial-gradient(circle at 50% 100%, rgba(255, 255, 255, 0.04) 0%, transparent 50%), radial-gradient(circle at center, rgba(255, 255, 255, 0.06) 0.5px, transparent 0.5px), radial-gradient(ellipse at 20% 30%, rgba(139, 164, 190, 0.15) 0%, transparent 60%), radial-gradient(ellipse at 80% 70%, rgba(123, 168, 155, 0.15) 0%, transparent 60%), radial-gradient(ellipse at 50% 50%, rgba(245, 230, 211, 0.12) 0%, transparent 70%);
  background-position: 0 0, 0 0, 0 0, 0 0, 0 0, 20% 30%, 80% 70%, 50% 50%;
  background-size: 80px 80px, 80px 80px, 80px 80px, 80px 80px, 20px 20px, 800px 600px, 800px 600px, 1000px 800px;
  animation: heroPatternMove 20s ease-in-out infinite;
}

.page-hero-background::after {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  content: "";
  background-image: radial-gradient(ellipse at 10% 40%, rgba(255, 255, 255, 0.06) 0%, transparent 40%), radial-gradient(ellipse at 90% 60%, rgba(255, 255, 255, 0.07) 0%, transparent 45%), radial-gradient(ellipse at 50% 80%, rgba(255, 255, 255, 0.05) 0%, transparent 35%), radial-gradient(circle at 30% 20%, transparent 35%, rgba(255, 255, 255, 0.03) 36%, rgba(255, 255, 255, 0.03) 37%, transparent 38%), radial-gradient(circle at 70% 80%, transparent 40%, rgba(255, 255, 255, 0.025) 41%, rgba(255, 255, 255, 0.025) 42%, transparent 43%);
  background-position: 10% 40%, 90% 60%, 50% 80%, 30% 20%, 70% 80%;
  background-size: 600px 500px, 700px 600px, 500px 400px, 800px 800px, 900px 900px;
  animation: heroShapesFloat 25s ease-in-out infinite;
}

.page-hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(77, 77, 77, 0.25) 0%, rgba(107, 107, 107, 0.15) 100%);
  backdrop-filter: blur(0);
}

.page-hero-content {
  position: relative;
  z-index: 1;
  color: var(--color-white);
  text-align: center;
}

.page-hero-label {
  display: inline-block;
  margin-bottom: 1rem;
  font-family: var(--font-secondary);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-white);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  opacity: 0.9;
}

.page-hero-title {
  margin-bottom: 1rem;
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-white);
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3), 0 4px 20px rgba(0, 0, 0, 0.2), 0 0 40px rgba(255, 255, 255, 0.1);
  animation: pageTitleGlow 4s ease-in-out infinite;
}

.page-hero-description {
  max-width: 600px;
  margin: 0 auto;
  font-size: clamp(1rem, 2vw, 1.25rem);
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.9);
}

/* ========================================
   CTAセクション
======================================== */
.cta {
  position: relative;
  overflow: hidden;
  background: var(--gradient-dark);
}

.cta::before {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  content: "";
  background-image: radial-gradient(circle at 30% 50%, rgba(158, 158, 158, 0.2) 0%, transparent 50%), radial-gradient(circle at 70% 50%, rgba(189, 189, 189, 0.2) 0%, transparent 50%);
}

.cta-content {
  position: relative;
  z-index: 1;
  color: var(--color-white);
  text-align: center;
}

.cta-title {
  margin-bottom: 1.5rem;
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
}

.cta-text {
  margin-bottom: 3rem;
  font-size: 1.125rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.9);
}

.cta-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  justify-content: center;
}

.to-top-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  justify-content: center;
  margin-top: 3rem;
}

/* ========================================
   フッター
======================================== */
.footer {
  padding: var(--spacing-xl) 0;
  color: rgba(255, 255, 255, 0.8);
  background: var(--color-dark);
}

.footer-content {
  display: flex;
  flex-wrap: wrap;
  gap: 30px;
  justify-content: space-between;
}

.footer-section.--2 {
  display: flex;
  flex-wrap: wrap;
  gap: 30px;
  justify-content: space-between;
  overflow: hidden;
}
.footer-section.--2 > div {
  min-width: 150px;
}
.footer-section.--2 div div {
  display: flex;
  flex-shrink: 0;
  flex-wrap: wrap;
  gap: 20px;
}
.footer-section.--2 div div > *:first-child {
  min-width: 120px;
}
.footer-section.--2 div div > *:last-child {
  min-width: 160px;
}

/* フッターロゴコンテナ（リンク） */
.footer-logo {
  display: inline-flex;
  align-items: center;
  width: 300px;
  margin-bottom: 1rem;
  text-decoration: none;
  transition: var(--transition-base);
}

.footer-logo:hover {
  opacity: 0.8;
}

/* フッターロゴ画像 */
.footer-logo img {
  width: auto;
  max-width: 270px;
  height: auto;
  max-height: 60px;
  transition: var(--transition-base);
  -o-object-fit: contain;
     object-fit: contain;
}
@media (max-width: 640px) {
  .footer-logo img {
    max-width: 206px;
  }
}

/* フッタータイトル（テキストロゴのフォールバック） */
.footer-title {
  margin-bottom: 0;
  font-family: var(--font-secondary);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-white);
  transition: var(--transition-base);
}

.footer-text {
  font-size: 0.875rem;
  line-height: 1.7;
}

.footer-sns {
  display: flex;
  gap: 15px;
  padding: 0;
  margin: 30px 0 0;
  list-style: none;
}
.footer-sns .footer-sns-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  text-decoration: none;
  background-color: #fff;
  border-radius: 999px;
  transition: transform 0.15s ease, opacity 0.15s ease;
}
.footer-sns .footer-sns-link:hover {
  opacity: 0.85;
  transform: translateY(-2px);
}
.footer-sns .footer-sns-link svg {
  fill: #5A5A5A;
}
.footer-sns .--instagram svg {
  width: 22px;
  height: 22px;
}
.footer-sns .--tiktok svg {
  width: 20px;
  height: 20px;
}
.footer-sns .--x svg {
  width: 20px;
  height: 20px;
}
.footer-sns .--facebook svg {
  width: 24px;
  height: 24px;
}

.footer-heading {
  margin-bottom: 1rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-white);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a {
  position: relative;
  display: inline-block;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.footer-links a::before {
  position: absolute;
  left: -20px;
  content: "→";
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.footer-links a:hover {
  padding-left: 8px;
  color: var(--color-primary);
  transform: translateX(3px);
}

.footer-links a:hover::before {
  left: -15px;
  opacity: 1;
}

.footer-sitemap-wrapper {
  display: flex;
  flex-wrap: wrap;
  -moz-column-gap: 30px;
       column-gap: 30px;
}

/* フッターサイトマップ階層スタイル */
.footer-sitemap .footer-submenu-parent {
  margin-bottom: 1rem;
}

.footer-sitemap .footer-submenu-parent > a {
  display: inline-block;
  margin-bottom: 0.5rem;
}

.footer-submenu {
  padding-left: 0.75rem;
  margin-top: 0.5rem;
  margin-left: 1rem;
  list-style: none;
  border-left: 2px solid rgba(139, 139, 139, 0.3);
}

.footer-submenu li {
  margin-bottom: 0.5rem;
}

.footer-submenu a {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.6);
}

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

.footer-contact {
  list-style: none;
}

.footer-contact li {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1rem;
  font-size: 0.875rem;
  line-height: 1.6;
}

.footer-contact i {
  margin-top: 3px;
  color: var(--color-primary);
}

.footer-contact-btn {
  display: inline-flex;
  gap: 0.5rem;
  align-items: center;
  padding: 0.875rem 1.75rem;
  margin-top: 1.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-white);
  text-decoration: none;
  background: #5A5A5A;
  border-radius: 50px;
  box-shadow: 0 4px 15px rgba(90, 90, 90, 0.4);
  transition: all 0.3s ease;
}

.footer-contact-btn i {
  margin-top: 0;
  font-size: 1rem;
  color: var(--color-white);
}

.footer-contact-btn:hover {
  background: #6A6A6A;
  box-shadow: 0 6px 20px rgba(90, 90, 90, 0.5);
  transform: translateY(-2px);
}

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

.footer-bottom {
  padding-top: 2rem;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.5);
  text-align: center;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* ========================================
   アニメーション（AOS風）
======================================== */
[data-aos] {
  opacity: 0;
  transition: var(--transition-slow);
}

[data-aos].aos-animate {
  opacity: 1;
}

[data-aos=fade-up] {
  transform: translateY(40px);
}

[data-aos=fade-up].aos-animate {
  transform: translateY(0);
}

/* ========================================
   レスポンシブデザイン
======================================== */
@media (max-width: 768px) {
  /* ヘッダー・ナビゲーション */
  .nav {
    position: fixed;
    top: 80px;
    left: 0;
    z-index: 999;
    width: 100%;
    height: calc(100vh - 80px);
    padding: 1.5rem 1.25rem 4rem;
    overflow-x: hidden;
    overflow-y: auto;
    overscroll-behavior: contain;
    background: linear-gradient(135deg, rgba(245, 245, 245, 0.98) 0%, rgba(232, 232, 232, 0.98) 100%);
    backdrop-filter: blur(20px);
    box-shadow: 2px 0 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    transform: translateX(-100%);
    -webkit-overflow-scrolling: touch;
  }
  /* カスタムスクロールバー（モバイルメニュー用） */
  .nav::-webkit-scrollbar {
    width: 6px;
  }
  .nav::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.05);
    border-radius: 3px;
  }
  .nav::-webkit-scrollbar-thumb {
    background: rgba(139, 139, 139, 0.4);
    border-radius: 3px;
    -webkit-transition: background 0.3s;
    transition: background 0.3s;
  }
  .nav::-webkit-scrollbar-thumb:hover {
    background: rgba(139, 139, 139, 0.6);
  }
  .nav.active {
    transform: translateX(0);
  }
  /* iOSでのスクロール問題対策 */
  body.menu-open {
    position: fixed;
    width: 100%;
    overflow: hidden;
  }
  .nav-list {
    flex-direction: column;
    gap: 0;
  }
  .nav-list {
    padding: 0;
  }
  .nav-list > li {
    display: block;
    padding: 0;
    border-bottom: 1px solid rgba(139, 139, 139, 0.1);
  }
  .nav-list > li:last-child {
    border-bottom: 0;
  }
  /* HOMEメニュー - モバイルでは表示 */
  .nav-home {
    display: block;
  }
  .nav-list > li > a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 1rem 1.5rem;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-dark);
    -webkit-user-select: none;
            user-select: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    -webkit-tap-highlight-color: transparent;
    -webkit-touch-callout: none;
  }
  .nav-list > li > a:hover,
  .nav-list > li > a:active {
    color: var(--color-primary);
    background: rgba(139, 139, 139, 0.05);
  }
  /* ドロップダウンボタン */
  .nav-dropdown > a {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 1rem 1.5rem;
  }
  .nav-dropdown > a i {
    margin-left: 0.5rem;
    font-size: 0.75rem;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  }
  .nav-dropdown.active > a i {
    transform: rotate(180deg);
  }
  /* ドロップダウンメニュー - モバイル（下に展開） */
  .nav-dropdown-menu {
    position: static !important;
    width: 100%;
    max-height: 0;
    padding: 0;
    margin: 0;
    overflow: hidden;
    visibility: visible !important;
    background: rgba(245, 245, 245, 0.95);
    backdrop-filter: blur(10px);
    border: 0;
    border-radius: 0;
    box-shadow: none;
    opacity: 1 !important;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    transform: none !important;
  }
  .nav-dropdown-menu::before {
    display: none !important;
  }
  .nav-dropdown.active .nav-dropdown-menu {
    max-height: 800px;
    padding: 0.75rem 0;
    border-top: 1px solid rgba(139, 139, 139, 0.1);
  }
  /* サブメニューを縦並び（下に展開） */
  .nav-dropdown-menu {
    display: block;
  }
  .nav-dropdown-menu li {
    padding: 0;
    margin: 0;
    border-bottom: 1px solid rgba(139, 139, 139, 0.08);
  }
  .nav-dropdown-menu li:last-child {
    border-bottom: 0;
  }
  .nav-dropdown-menu li a {
    display: block;
    padding: 0.875rem 1.5rem;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-medium);
    text-align: center;
    -webkit-user-select: none;
            user-select: none;
    background: transparent;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    -webkit-tap-highlight-color: transparent;
    -webkit-touch-callout: none;
  }
  .nav-dropdown-menu li a:hover,
  .nav-dropdown-menu li a:active {
    color: var(--color-primary);
    background: rgba(139, 139, 139, 0.05);
  }
  .nav-dropdown-menu .nav-submenu-header {
    padding: 0.875rem 1.5rem 0.5rem;
    font-size: 0.6875rem;
    font-weight: 700;
    color: var(--color-primary);
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    background: rgba(139, 139, 139, 0.05);
    border-bottom: 1px solid rgba(139, 139, 139, 0.08);
  }
  /* 最初の項目（サービス概要）を強調 */
  .nav-dropdown-menu li:first-child a {
    padding: 1rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-dark);
    background: rgba(139, 139, 139, 0.08);
  }
  .menu-toggle {
    display: flex;
  }
  /* 小画面（iPhone SE等）向け最適化 */
}
@media (max-width: 768px) and (max-width: 375px) {
  .nav {
    padding: 1.25rem 1rem 3rem;
  }
  .nav-list > li {
    padding: 0;
  }
  .nav-list > li > a {
    padding: 0.875rem 1.25rem;
    font-size: 1rem;
  }
  .nav-dropdown > a {
    padding: 0.875rem 1.25rem;
  }
  .nav-dropdown > a i {
    margin-left: 0.4rem;
    font-size: 0.6875rem;
  }
  .nav-dropdown.active .nav-dropdown-menu {
    padding: 0.5rem 0;
  }
  .nav-dropdown-menu li a {
    padding: 0.75rem 1.25rem;
    font-size: 0.875rem;
  }
  .nav-dropdown-menu li:first-child a {
    padding: 0.875rem 1.25rem;
    font-size: 0.9375rem;
  }
  .nav-dropdown-menu .nav-submenu-header {
    padding: 0.75rem 1.25rem 0.5rem;
    font-size: 0.625rem;
  }
}
@media (max-width: 768px) {
  .menu-toggle.active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }
  .menu-toggle.active span:nth-child(2) {
    opacity: 0;
    transform: scale(0);
  }
  .menu-toggle.active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }
}
@media (max-width: 768px) {
  /* ヒーローセクション */
  .hero {
    height: auto;
    min-height: 600px;
    padding: 8rem 0 6rem;
  }
  .scroll-indicator {
    display: none;
  }
  .hero-description br {
    display: none;
  }
  .hero-cta {
    flex-direction: column;
    align-items: center;
  }
  .btn {
    justify-content: center;
    width: 100%;
    max-width: 300px;
  }
  /* セクション全般 */
  .section-title br {
    display: none;
  }
  .section-description br {
    display: none;
  }
  /* Aboutセクション */
  .about-card-text br {
    display: none;
  }
  /* グリッド */
  .companies-grid {
    grid-template-columns: 1fr;
  }
  /* フッター */
  .footer-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .footer-text br {
    display: none;
  }
  .footer-contact-btn {
    display: flex;
    justify-content: center;
    width: 100%;
    padding: 1rem 1.5rem;
    font-size: 0.9375rem;
  }
  /* CTAボタン（タブレット） */
  .cta-buttons {
    flex-direction: column;
    gap: 1rem;
    align-items: center;
    width: 100%;
    padding: 0 2rem;
  }
  .btn-large {
    display: flex;
    gap: 0.75rem;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 1.125rem 2rem;
    font-size: 1rem;
  }
}
@media (max-width: 480px) {
  :root {
    --spacing-xl: 4rem;
    --spacing-lg: 3rem;
  }
  /* ヒーロー */
  .hero {
    min-height: 500px;
    padding: 6rem 0 4rem;
  }
  .hero-title-main {
    font-size: 2rem;
    word-break: keep-all;
    overflow-wrap: break-word;
  }
  .hero-title-sub {
    font-size: 1.25rem;
    word-break: keep-all;
    overflow-wrap: break-word;
  }
  .hero-description {
    font-size: 0.9375rem;
    word-break: normal;
    overflow-wrap: break-word;
  }
  /* セクションヘッダー */
  .section-title {
    font-size: 1.75rem;
    word-break: keep-all;
    overflow-wrap: break-word;
  }
  .section-description {
    font-size: 0.9375rem;
    word-break: normal;
    overflow-wrap: break-word;
  }
  /* カードのテキスト */
  .about-card-title,
  .case-preview-title,
  .news-card-title {
    word-break: keep-all;
    overflow-wrap: break-word;
  }
  .about-card-text,
  .case-preview-text,
  .news-card-excerpt {
    line-height: 1.8;
    word-break: normal;
    overflow-wrap: break-word;
  }
  /* セクションタイトルのbr要素をモバイルで無効化 */
  .section-title br {
    display: none;
  }
  /* サービスカードタイトルのbr要素をモバイルで無効化 */
  .service-card-title br {
    display: none;
  }
  /* CTAテキストのbr要素をモバイルで調整 */
  .cta-text br {
    display: none;
  }
  .hero-description br {
    display: none;
  }
  /* グリッド */
  .about-grid,
  .cases-preview-grid {
    grid-template-columns: 1fr;
  }
  /* 会社カード */
  .company-card-image {
    height: 150px;
  }
  .company-card-logo {
    font-size: 2rem;
  }
  .company-card-description {
    font-size: 0.9375rem;
  }
  /* パートナーシップ */
  .partnership-title {
    font-size: 1.5rem;
  }
  .partnership-description {
    font-size: 0.9375rem;
  }
  /* コアビジネス */
  .core-business-title {
    font-size: 1.0625rem;
  }
  .core-business-description {
    font-size: 0.875rem;
  }
  /* カード系タイトル */
  .about-card-title {
    font-size: 1.25rem;
  }
  .company-name {
    font-size: 1.5rem;
  }
  .service-card-title {
    font-size: 1.25rem;
  }
  /* CTAボタン */
  .cta-buttons {
    flex-direction: column;
    gap: 1rem;
    width: 100%;
    padding: 0 1rem;
  }
  .btn-large {
    display: flex;
    gap: 0.625rem;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 1.125rem 1.5rem;
    font-size: 0.9375rem;
    text-align: center;
    white-space: nowrap;
  }
  .btn-large span {
    flex-shrink: 0;
    white-space: nowrap;
  }
  .btn-large i {
    flex-shrink: 0;
  }
  /* CTAセクション */
  .cta {
    padding: 4rem 0;
  }
  .cta-title {
    margin-bottom: 1rem;
    font-size: 1.75rem;
  }
  .cta-text {
    margin-bottom: 2rem;
    font-size: 0.9375rem;
  }
}
/* ========================================
   ユーティリティクラス
======================================== */
.mt-1 {
  margin-top: var(--spacing-xs);
}

.mt-2 {
  margin-top: var(--spacing-sm);
}

.mt-3 {
  margin-top: var(--spacing-md);
}

.mt-4 {
  margin-top: var(--spacing-lg);
}

.mb-1 {
  margin-bottom: var(--spacing-xs);
}

.mb-2 {
  margin-bottom: var(--spacing-sm);
}

.mb-3 {
  margin-bottom: var(--spacing-md);
}

.mb-4 {
  margin-bottom: var(--spacing-lg);
}

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

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

.text-right {
  text-align: right;
}

/* ========================================
   コアビジネスセクション
======================================== */
/* ワンストップダイアグラム（グループ会社セクション内） */
.group-companies-services .onestop-diagram {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  max-width: 900px;
  height: 600px;
  margin: 4rem auto;
}

/* ========================================
   ワンストップダイアグラム
   （グループ会社セクション内で使用）
======================================== */
.onestop-diagram {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  max-width: 1200px;
  height: 1050px;
  padding-top: 1rem;
  margin: 2rem auto 3rem;
}

.diagram-center {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 10;
  transform: translate(-50%, -50%);
}

.center-circle {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 200px;
  height: 200px;
  background: var(--gradient-mixed);
  border-radius: 50%;
  box-shadow: 0 20px 60px rgba(150, 148, 148, 0.3);
  animation: centerPulse 3s ease-in-out infinite;
}

.center-circle::before {
  position: absolute;
  inset: -10px;
  z-index: -1;
  content: "";
  background: linear-gradient(135deg, rgba(176, 137, 214, 0.3), rgba(203, 169, 234, 0.2));
  filter: blur(20px);
  border-radius: 50%;
  animation: glowPulse 3s ease-in-out infinite;
}

@keyframes centerPulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}
@keyframes glowPulse {
  0%, 100% {
    opacity: 0.5;
  }
  50% {
    opacity: 0.8;
  }
}
.center-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.5rem;
  font-size: 3rem;
  color: #fff;
}

.center-text {
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.3;
  color: #fff;
  text-align: center;
}

.center-text span {
  font-size: 1rem;
  font-weight: 500;
  opacity: 0.9;
}

/* 中央ロゴ画像 */
.center-logo {
  display: block;
  width: auto;
  max-width: 160px;
  height: auto;
  max-height: 160px;
  -o-object-fit: contain;
     object-fit: contain;
}

/* 接続線 */
.diagram-connections {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 100%;
  height: 100%;
  transform: translate(-50%, -50%);
}

.connection-line {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 340px;
  height: 2px;
  background: linear-gradient(to right, rgba(139, 139, 139, 0.6), rgba(139, 139, 139, 0.1));
  transform-origin: left center;
  animation: lineFlow 3s ease-in-out infinite;
}

@keyframes lineFlow {
  0%, 100% {
    opacity: 0.6;
  }
  50% {
    opacity: 1;
  }
}
.line-1 {
  transform: rotate(0deg);
}

.line-2 {
  transform: rotate(45deg);
}

.line-3 {
  transform: rotate(90deg);
}

.line-4 {
  transform: rotate(135deg);
}

.line-5 {
  transform: rotate(180deg);
}

.line-6 {
  transform: rotate(225deg);
}

.line-7 {
  transform: rotate(270deg);
}

.line-8 {
  transform: rotate(315deg);
}

/* ノード */
.diagram-node {
  position: absolute;
  z-index: 5;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 160px;
  height: 160px;
  padding: 0.75rem 0.625rem;
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ノードの会社ラベル（カード内に配置） */
.node-company-label {
  display: block;
  padding: 0.25rem 0.5rem;
  margin-bottom: 0.5rem;
  font-size: 0.5625rem;
  font-weight: 600;
  color: #fff;
  text-decoration: none;
  white-space: nowrap;
  background: linear-gradient(135deg, var(--color-primary) 0%, #A8A8A8 100%);
  border-radius: 6px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
  transition: all 0.3s;
}
.node-company-label.node-company-label-full-fill {
  background: var(--gradient-full-fill) !important;
  border-color: var(--color-border-full-fill);
}
.node-company-label.node-company-label-funs {
  background: var(--gradient-funs) !important;
  border-color: var(--color-border-funs);
}
.node-company-label.node-company-label-hypeapp {
  background: var(--gradient-hypeapp) !important;
  border-color: var(--color-border-hypeapp);
}
.node-company-label.node-company-label-dux {
  background: var(--gradient-dux) !important;
  border-color: var(--color-border-dux);
}
.node-company-label.node-company-label-aim {
  background: var(--gradient-aim) !important;
  border-color: var(--color-border-aim);
}

/* 複数ラベルの場合のラッパー */
.node-company-labels-wrapper {
  display: flex;
  gap: 0.25rem;
  justify-content: center;
  margin-bottom: 0.5rem;
}

.node-company-labels-wrapper .node-company-label {
  margin-bottom: 0;
}

.diagram-node::before {
  position: absolute;
  inset: -2px;
  z-index: -1;
  content: "";
  background: linear-gradient(135deg, var(--color-primary), #A8A8A8);
  border-radius: 20px;
  opacity: 0;
  transition: opacity 0.3s;
}

.node-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
}

.node-content i {
  display: block;
  margin-bottom: 0.5rem;
  font-size: 1.875rem;
  color: var(--color-primary);
  transition: all 0.3s;
}

.node-content span {
  display: block;
  max-width: 100%;
  padding: 0 0.25rem;
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1.4;
  color: #333;
  text-align: center;
  word-break: keep-all;
  overflow-wrap: break-word;
  transition: color 0.3s;
}

/* ホバーエフェクト（ポインターデバイスのみ） */
@media (hover: hover) and (pointer: fine) {
  .diagram-node .node-company-label:hover {
    transform: scale(1.1) translateY(-5px);
  }
}
/* タッチデバイスでは常にテキストとアイコンを表示 */
@media (hover: none) {
  .diagram-node .node-content span {
    color: var(--color-dark) !important;
    visibility: visible !important;
    opacity: 1 !important;
  }
  .diagram-node .node-content i {
    display: block !important;
    color: var(--color-primary) !important;
    visibility: visible !important;
    opacity: 1 !important;
  }
}
/* ノード配置（8方向に等間隔配置・サイズ縮小対応） */
.node-1 { /* 左 */
  top: 50%;
  left: 1%;
  z-index: 5;
  transform: translate(0%, -50%);
}

.node-2 { /* 左上 */
  top: 6%;
  left: 16%;
  z-index: 5;
  transform: translate(0%, 0%);
}

.node-3 { /* 右上 */
  top: 6%;
  right: 16%;
  z-index: 5;
  transform: translate(0%, 0%);
}

.node-4 { /* 右 */
  top: 50%;
  right: 1%;
  z-index: 5;
  transform: translate(0%, -50%);
}

.node-5 { /* 右下 */
  right: 16%;
  bottom: 6%;
  z-index: 5;
  transform: translate(0%, 0%);
}

.node-6 { /* 左下 */
  bottom: 6%;
  left: 16%;
  z-index: 5;
  transform: translate(0%, 0%);
}

.node-7 { /* 左上斜め */
  top: 28%;
  left: 8%;
  z-index: 5;
  transform: translate(0%, 0%);
}

.node-8 { /* 右上斜め */
  top: 28%;
  right: 8%;
  z-index: 5;
  transform: translate(0%, 0%);
}

/* ========================================
   グループ会社とサービス統合セクション
======================================== */
.group-companies-services {
  position: relative;
  padding: var(--spacing-xl) 0;
  overflow: hidden;
  background: linear-gradient(180deg, #f8f8f8 0%, #fff 50%, #f8f8f8 100%);
}

.group-companies-services::before {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  pointer-events: none;
  content: "";
  background: radial-gradient(circle at 20% 30%, rgba(158, 158, 158, 0.05) 0%, transparent 50%), radial-gradient(circle at 80% 70%, rgba(189, 189, 189, 0.05) 0%, transparent 50%);
}

.group-companies-services::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 150px;
  pointer-events: none;
  content: "";
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 120'%3E%3Cpath d='M0,60 Q300,10 600,60 T1200,60 L1200,120 L0,120 Z' fill='%23ffffff' fill-opacity='0.8'/%3E%3C/svg%3E");
  background-position: bottom;
  background-size: cover;
}

.group-companies-services .container {
  position: relative;
  z-index: 1;
}

.company-section {
  padding: 3rem;
  margin-bottom: 4rem;
  background: var(--color-white);
  border-radius: 24px;
  box-shadow: 0 4px 20px rgba(93, 93, 93, 0.08);
  transition: all 0.4s ease;
}

.company-section:last-child {
  margin-bottom: 0;
}

.company-header {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 2rem;
  margin-bottom: 2rem;
  border-bottom: 2px solid #F8FAFC;
}

.company-logo-area {
  flex: 1;
  min-width: 250px;
}

.company-name-logo {
  display: flex;
  gap: 1.5rem;
  align-items: center;
  margin-bottom: 0.5rem;
}
@media (max-width: 500px) {
  .company-name-logo {
    flex-direction: column;
    gap: 0;
    margin-bottom: 1rem;
  }
}
.company-name-logo img {
  flex-shrink: 0;
  width: auto !important;
  height: 4rem;
}

.company-name {
  font-family: var(--font-secondary);
  font-size: 1.75rem;
  font-weight: 700;
  color: #2D2D2D;
}

.company-tagline {
  margin: 0;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-dark-gray);
}

.company-link-btn {
  display: inline-flex;
  gap: 0.5rem;
  align-items: center;
  padding: 0.75rem 1.5rem;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-white);
  text-decoration: none;
  background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-dark-gray) 100%);
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(93, 93, 93, 0.2);
  transition: all 0.3s ease;
}

.company-link-btn:hover {
  background: linear-gradient(135deg, #4D4D4D 0%, var(--color-dark) 100%);
  box-shadow: 0 6px 20px rgba(93, 93, 93, 0.3);
  transform: translateY(-2px);
}

.company-description {
  margin-bottom: 2rem;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: #4D4D4D;
}

.company-more-btn {
  display: inline-block;
  padding: 0.625rem 1.75rem;
  margin-bottom: 1.25rem;
  font-family: var(--font-secondary);
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  cursor: pointer;
  background: linear-gradient(135deg, rgba(139, 139, 139, 0.06) 0%, rgba(158, 158, 158, 0.04) 100%);
  border: 1px solid rgba(139, 139, 139, 0.12);
  border-radius: 50px;
  transition: all 0.3s ease;
}
.company-more-btn:hover {
  transform: translateY(-3px);
}
.company-more-btn::after {
  display: inline-block;
  margin-left: 0.5em;
  content: "▼";
  transition: transform 0.3s ease;
}
.company-more-btn.is-active::after {
  transform: rotate(180deg);
}

.company-more-content {
  display: none;
  opacity: 0;
  transition: opacity 0.3s ease;
}
.company-more-content.is-display {
  display: block;
  opacity: 1;
}

.company-services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

/* サービス数が多い会社用のコンパクトグリッド */
.company-services-grid-compact {
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

/* サービス数が特に多い会社用の3カラムグリッド */
.company-services-grid-triple {
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

@media (max-width: 1200px) {
  .company-services-grid-triple {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 1024px) {
  .company-services-grid-compact {
    gap: 1.25rem;
  }
}
@media (max-width: 900px) {
  .company-services-grid-compact {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  .company-services-grid-triple {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}
.company-service-card {
  display: flex;
  flex-direction: column;
  padding: 2rem;
  background: var(--color-white);
  border: 1px solid rgba(107, 107, 107, 0.1);
  border-radius: 20px;
  box-shadow: 0 4px 20px rgba(93, 93, 93, 0.08);
  transition: all 0.4s ease;
}

/* コンパクトグリッド内のカードをコンパクト化 */
.company-services-grid-compact .company-service-card {
  padding: 1.5rem;
  border-radius: 16px;
}

.company-services-grid-compact .service-card-header {
  padding-bottom: 1rem;
  margin-bottom: 1rem;
}

.company-services-grid-compact .service-card-icon {
  width: 55px;
  height: 55px;
  margin: 0 auto 0.75rem;
  font-size: 1.5rem;
  border-radius: 12px;
}

.company-services-grid-compact .service-card-title {
  margin-bottom: 0.375rem;
  font-size: 1.125rem;
}

.company-services-grid-compact .service-card-tagline {
  font-size: 0.8125rem;
}

.company-services-grid-compact .service-card-lead,
.company-services-grid-compact .service-card-description {
  margin-bottom: 1rem;
  font-size: 0.875rem;
  line-height: 1.6;
}

.company-services-grid-compact .service-card-features {
  gap: 0.5rem;
}

.company-services-grid-compact .service-card-features li {
  font-size: 0.8125rem;
}

/* 3カラムグリッド用のさらなるコンパクト化 */
.company-services-grid-triple .company-service-card {
  padding: 1.25rem;
}

.company-services-grid-triple .service-card-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 0.625rem;
  font-size: 1.25rem;
}
.company-services-grid-triple .service-card-icon.service-card-icon-logo {
  width: 80px;
  height: 80px;
  border: 2px solid var(--color-light-gray);
  box-shadow: none !important;
}
.company-services-grid-triple .service-card-icon.service-card-icon-logo .service-logo {
  padding: 0;
}

.company-services-grid-triple .service-card-title {
  margin-bottom: 0.25rem;
  font-size: 1rem;
}

.company-services-grid-triple .service-card-tagline {
  font-size: 0.75rem;
}

.company-services-grid-triple .service-card-lead,
.company-services-grid-triple .service-card-description {
  margin-bottom: 0.875rem;
  font-size: 0.8125rem;
  line-height: 1.5;
}

.company-services-grid-triple .service-card-features {
  gap: 0.375rem;
}

.company-services-grid-triple .service-card-features li {
  font-size: 0.75rem;
}

.service-card-header {
  padding-bottom: 1.5rem;
  margin-bottom: 1.5rem;
  text-align: center;
  border-bottom: 2px solid #F8FAFC;
}

.service-card-icon {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 70px;
  height: 70px;
  margin: 0 auto 1rem;
  overflow: hidden;
  font-size: 2rem;
  color: var(--color-white);
  background: linear-gradient(135deg, var(--color-accent-secondary) 0%, var(--color-accent-secondary-light) 100%);
  border-radius: 16px;
  box-shadow: 0 4px 15px rgba(123, 168, 155, 0.25);
  transition: all 0.3s ease;
}

.company-service-card:nth-child(even) .service-card-icon {
  background: linear-gradient(135deg, var(--color-accent-primary) 0%, var(--color-accent-primary-light) 100%);
  box-shadow: 0 4px 15px rgba(139, 164, 190, 0.25);
}

.company-service-card:nth-child(3n) .service-card-icon {
  color: var(--color-white);
  background: linear-gradient(135deg, var(--color-accent-tertiary) 0%, var(--color-accent-tertiary-light) 100%);
  box-shadow: 0 4px 15px rgba(245, 230, 211, 0.3);
}

.company-service-card:nth-child(even):hover .service-card-icon {
  box-shadow: 0 8px 25px rgba(139, 164, 190, 0.3);
}

.company-service-card:nth-child(3n):hover .service-card-icon {
  box-shadow: 0 8px 25px rgba(245, 230, 211, 0.4);
}

/* サービスロゴ画像用スタイル */
.service-logo {
  width: 100%;
  height: 100%;
  -o-object-fit: contain;
     object-fit: contain;
  padding: 10px;
}

/* ロゴ画像が追加されたときにアイコンを非表示 */
.service-logo-placeholder:has(.service-logo) i {
  display: none;
}

.service-card-title {
  margin-bottom: 0.5rem;
  font-family: var(--font-secondary);
  font-size: 1.375rem;
  font-weight: 700;
  color: #2D2D2D;
}

.service-card-tagline {
  margin: 0;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-dark-gray);
}

.service-card-content {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.service-card-lead {
  margin-bottom: 1.5rem;
  font-size: 0.9375rem;
  font-weight: 500;
  line-height: 1.7;
  color: #4D4D4D;
}

.service-card-description {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: #4D4D4D;
}

.service-card-features {
  padding: 0;
  margin: 0;
  list-style: none;
}

.service-card-features li {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  padding: 0.75rem 0;
  font-size: 0.9375rem;
  line-height: 1.6;
  color: #4D4D4D;
  border-bottom: 1px solid #F1F5F9;
}

.service-card-features li:last-child {
  border-bottom: 0;
}

.service-card-features i {
  flex-shrink: 0;
  margin-top: 0.1rem;
  font-size: 1rem;
  color: var(--color-dark-gray);
}

/* ========================================
   パートナーシップセクション
======================================== */
.partnership {
  padding: var(--spacing-xl) 0;
  background: linear-gradient(to bottom, #FFF 0%, #F8FAFC 100%);
}

.partnership-card {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 3rem;
  overflow: hidden;
  background: var(--color-white);
  border-radius: 24px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
  transition: var(--transition-base);
}

/* 左側：ビジュアルエリア */
.partnership-card-visual {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 2rem;
  align-items: center;
  justify-content: center;
  padding: 3rem;
  overflow: hidden;
  background: linear-gradient(135deg, #000a14 0%, #001420 100%);
}

.partnership-img img {
  max-width: 100%;
  height: auto;
}

@keyframes floatSlow {
  0%, 100% {
    transform: translate(0, 0);
  }
  50% {
    transform: translate(-20px, -20px);
  }
}
.partnership-logo-container {
  position: relative;
  z-index: 1;
  text-align: center;
}

.partnership-logo-bg {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 150px;
  height: 150px;
  margin: 0 auto 1.5rem;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  transition: var(--transition-base);
}

.partnership-logo-bg:hover {
  border-color: rgba(255, 255, 255, 0.5);
  transform: scale(1.05);
}

.partnership-logo-bg i {
  font-size: 4rem;
  color: var(--color-white);
  animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}
.partnership-team-name {
  margin-bottom: 0.5rem;
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-white);
  letter-spacing: 0.02em;
}

.partnership-team-subtitle {
  font-family: var(--font-secondary);
  font-size: 0.875rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.8);
  text-transform: uppercase;
  letter-spacing: 0.15em;
}

.partnership-badge {
  position: relative;
  z-index: 1;
  display: inline-flex;
  gap: 0.5rem;
  align-items: center;
  padding: 0.625rem 1.25rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-white);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 50px;
}

.partnership-badge i {
  font-size: 1rem;
  color: #FFD700;
}

/* 右側：コンテンツエリア */
.partnership-card-content {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  padding: 3rem 3rem 3rem 0;
}

.partnership-description {
  padding-bottom: 2rem;
  border-bottom: 2px solid #F1F5F9;
}

.partnership-about-title {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  margin-bottom: 1rem;
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-dark);
}

.partnership-about-title i {
  font-size: 1.25rem;
  color: #000a14;
}

.partnership-about-text {
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--color-gray);
}

.partnership-info-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.partnership-info-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  padding: 1.25rem;
  background: #F8FAFC;
  border: 1px solid #E2E8F0;
  border-radius: 12px;
  transition: var(--transition-base);
}

.partnership-info-icon {
  display: flex;
  flex-shrink: 0;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, #000510 0%, #000a14 100%);
  border-radius: 10px;
}

.partnership-info-icon i {
  font-size: 1.125rem;
  color: var(--color-white);
}

.partnership-info-content {
  flex: 1;
}

.partnership-info-label {
  display: block;
  margin-bottom: 0.25rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-gray);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.partnership-info-value {
  display: block;
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-dark);
  letter-spacing: -0.01em;
}

.partnership-actions {
  padding-top: 1rem;
  margin-top: auto;
}

.partnership-btn {
  display: inline-flex;
  gap: 0.75rem;
  align-items: center;
  justify-content: center;
  padding: 1rem 2rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-white);
  text-decoration: none;
  background: linear-gradient(135deg, #000510 0%, #000a14 100%);
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0, 10, 20, 0.4);
  transition: var(--transition-base);
}

.partnership-btn:hover {
  background: linear-gradient(135deg, #000a14 0%, #001420 100%);
  box-shadow: 0 8px 20px rgba(0, 10, 20, 0.5);
  transform: translateY(-2px);
}

.partnership-btn i {
  font-size: 1rem;
  transition: var(--transition-base);
}

.partnership-btn:hover i {
  transform: translateX(5px);
}

/* ========================================
   スクロールトップボタン
   ======================================== */
.scroll-top-btn {
  position: fixed;
  right: 30px;
  bottom: 30px;
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  font-size: 1.25rem;
  color: var(--color-white);
  cursor: pointer;
  visibility: hidden;
  background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-dark-gray) 100%);
  backdrop-filter: blur(10px);
  border: 0;
  border-radius: 50%;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
  opacity: 0;
  transition: all 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  transform: translateY(20px) scale(0.8);
}

.scroll-top-btn::before {
  position: absolute;
  top: -2px;
  right: -2px;
  bottom: -2px;
  left: -2px;
  z-index: -1;
  content: "";
  background: linear-gradient(135deg, var(--color-primary), #BDBDBD);
  border-radius: 50%;
  opacity: 0;
  transition: opacity 0.3s ease;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% {
    opacity: 0.3;
    transform: scale(1);
  }
  50% {
    opacity: 0;
    transform: scale(1.1);
  }
}
.scroll-top-btn.visible {
  visibility: visible;
  opacity: 1;
  transform: translateY(0) scale(1);
}

.scroll-top-btn:hover {
  background: linear-gradient(135deg, #2D2D2D 0%, #4D4D4D 100%);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3), 0 0 20px rgba(139, 139, 139, 0.4);
  transform: translateY(-5px) scale(1.1) rotate(360deg);
}

.scroll-top-btn:hover::before {
  opacity: 0.5;
}

.scroll-top-btn:active {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
  transform: translateY(-3px) scale(1.05);
}

.scroll-top-btn i {
  transition: transform 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.scroll-top-btn:hover i {
  transform: translateY(-3px) scale(1.2);
  animation: bounce 0.6s ease-in-out;
}

@keyframes bounce {
  0%, 100% {
    transform: translateY(-3px) scale(1.2);
  }
  50% {
    transform: translateY(-6px) scale(1.25);
  }
}
/* レスポンシブ対応 */
@media (max-width: 768px) {
  .scroll-top-btn {
    right: 20px;
    bottom: 20px;
    width: 45px;
    height: 45px;
    font-size: 1.125rem;
  }
  .core-business-grid {
    grid-template-columns: 1fr;
  }
  .company-section {
    padding: 2rem;
    margin-bottom: 2rem;
  }
  .company-header {
    flex-direction: column;
    align-items: flex-start;
    padding-bottom: 1.5rem;
  }
  .company-name {
    font-size: 1.5rem;
  }
  .company-link-btn {
    justify-content: center;
    width: 100%;
  }
  .company-services-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  /* モバイルでもコンパクトグリッドは1カラムに */
  .company-services-grid-compact {
    grid-template-columns: 1fr;
  }
  .company-service-card {
    padding: 1.5rem;
  }
  .service-card-icon {
    width: 60px;
    height: 60px;
    font-size: 1.75rem;
  }
  .service-card-title {
    font-size: 1.25rem;
  }
  .company-info-grid {
    padding: 2rem;
  }
  .company-info-item {
    grid-template-columns: 1fr;
    gap: 0.5rem;
    padding: 1rem 0;
  }
  .company-info-label {
    margin-bottom: 0.25rem;
    font-size: 0.875rem;
  }
  .company-info-value {
    font-size: 0.9375rem;
  }
  .company-map-title {
    font-size: 1.5rem;
  }
  .partnership-card {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .partnership-logo-bg {
    width: 120px;
    height: 120px;
  }
  .partnership-logo-bg i {
    font-size: 3rem;
  }
  .partnership-team-name {
    font-size: 1.5rem;
  }
  .partnership-card-content {
    padding: 2rem;
  }
  .partnership-info-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  .partnership-btn {
    width: 100%;
  }
  .partnership-title br {
    display: none;
  }
  .partnership-description br {
    display: none;
  }
  .partnership-info {
    flex-direction: column;
    gap: 1.25rem;
  }
  .partnership-details {
    padding: 1.5rem;
  }
}