/* ====================================
   株式会社はぐめいど - スタイルシート
   Modern & Elegant Medical Platform UI
   ==================================== */

/* リセット & ベース */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* 洗練された医療・テック系カラーパレット */
  --color-primary: #0f3057;        /* 紺色（メイン） */
  --color-primary-dark: #081a30;   /* 深い紺色 */
  --color-accent: #3282b8;         /* 水色（アクセント） */
  --color-accent-light: #e3f2fd;   /* 淡いアクセント水色 */
  --color-bg: #ffffff;             /* 白（ベース背景） */
  --color-bg-alt: #f4f9ff;         /* 上品で透明感のある薄い水色 */
  --color-text: #2c3e50;           /* 濃いネイビーグレー（テキスト） */
  --color-text-light: #64748b;     /* モダンなスレートグレー */
  --color-border: #d0e3ff;         /* 上品な薄い水色ボーダー */
  --color-white: #ffffff;
  
  /* 立体感のあるモダン・レイヤードシャドウ（多層影） */
  --shadow-sm: 0 2px 8px -2px rgba(15, 48, 87, 0.06), 0 1px 4px -1px rgba(15, 48, 87, 0.04);
  --shadow-md: 0 12px 24px -6px rgba(15, 48, 87, 0.1), 0 4px 12px -2px rgba(15, 48, 87, 0.06);
  --shadow-lg: 0 20px 40px -12px rgba(15, 48, 87, 0.15), 0 8px 24px -4px rgba(15, 48, 87, 0.08);
  
  /* 角丸の統一 */
  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 24px;
  
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Yu Gothic", "Meiryo", sans-serif;
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.85;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  letter-spacing: 0.03em;
}

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

a:hover {
  color: var(--color-accent);
}

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

/* コンテナ */
.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

.container-narrow {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ====================================
   ヘッダー (モダンなすりガラスGlassmorphism効果)
   ==================================== */
.site-header {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(208, 227, 255, 0.6);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 4px 20px -2px rgba(15, 48, 87, 0.04);
  transition: var(--transition);
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 76px;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  letter-spacing: 0.05em;
}

.site-logo:hover {
  color: var(--color-accent);
  transform: translateY(-1px);
}

.logo-mark {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-weight: 700;
  font-size: 1.15rem;
  box-shadow: var(--shadow-sm);
}

/* ナビゲーション */
.main-nav ul {
  display: flex;
  list-style: none;
  gap: 6px;
  align-items: center;
}

.main-nav a {
  display: block;
  padding: 8px 16px;
  font-size: 0.92rem;
  color: var(--color-text);
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.main-nav a:hover,
.main-nav a.active {
  background: var(--color-accent-light);
  color: var(--color-primary);
}

.nav-cta {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: var(--color-white) !important;
  padding: 10px 22px !important;
  border-radius: 50px !important;
  box-shadow: var(--shadow-sm);
  margin-left: 8px;
}

.nav-cta:hover {
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary)) !important;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* ハンバーガーメニュー */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 40px;
  height: 40px;
  position: relative;
}

.menu-toggle span {
  display: block;
  position: absolute;
  left: 8px;
  width: 24px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
  transition: var(--transition);
}

.menu-toggle span:nth-child(1) { top: 13px; }
.menu-toggle span:nth-child(2) { top: 19px; }
.menu-toggle span:nth-child(3) { top: 25px; }

.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg);
  top: 19px;
}
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg);
  top: 19px;
}

/* ====================================
   ヒーロー
   ==================================== */
.hero {
  background: linear-gradient(145deg, var(--color-bg-alt) 0%, #ffffff 100%);
  padding: 110px 24px 130px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: -150px;
  right: -100px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(50, 130, 184, 0.12) 0%, transparent 70%);
  border-radius: 50%;
  filter: blur(40px);
}

.hero::after {
  content: "";
  position: absolute;
  bottom: -150px;
  left: -100px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(15, 48, 87, 0.08) 0%, transparent 70%);
  border-radius: 50%;
  filter: blur(40px);
}

.hero-inner {
  max-width: 1140px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--color-white);
  color: var(--color-primary);
  font-size: 0.85rem;
  padding: 8px 18px;
  border-radius: 50px;
  font-weight: 600;
  margin-bottom: 28px;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(208, 227, 255, 0.8);
}

.hero-title {
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 800;
  line-height: 1.35;
  color: var(--color-primary-dark);
  margin-bottom: 28px;
  letter-spacing: 0.01em;
}

.hero-title .accent {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-lead {
  font-size: 1.1rem;
  line-height: 2;
  color: var(--color-text-light);
  max-width: 740px;
  margin-bottom: 44px;
}

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

/* ページヘッダー（下層ページ） */
.page-header {
  background: linear-gradient(145deg, var(--color-bg-alt) 0%, #ffffff 100%);
  padding: 80px 24px 60px;
  text-align: center;
  position: relative;
  border-bottom: 1px solid rgba(208, 227, 255, 0.4);
}

.page-header h1 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  color: var(--color-primary-dark);
  margin-bottom: 12px;
  font-weight: 800;
  letter-spacing: 0.05em;
}

.page-header .breadcrumb {
  font-size: 0.88rem;
  color: var(--color-text-light);
}

.page-header .breadcrumb a {
  color: var(--color-text-light);
}

.page-header .breadcrumb a:hover {
  color: var(--color-accent);
}

/* ====================================
   洗練されたボタンUI
   ==================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 15px 36px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 0.98rem;
  text-align: center;
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--transition);
  letter-spacing: 0.04em;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: var(--color-white);
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
  color: var(--color-white);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

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

.btn-outline:hover {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

/* ====================================
   セクション共通
   ==================================== */
section {
  padding: 96px 0;
}

.section-title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  color: var(--color-primary-dark);
  text-align: center;
  margin-bottom: 16px;
  font-weight: 800;
  position: relative;
  padding-bottom: 24px;
  letter-spacing: 0.04em;
}

.section-title::after {
  content: "";
  display: block;
  width: 48px;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  margin: 16px auto 0;
  border-radius: 4px;
}

.section-subtitle {
  text-align: center;
  color: var(--color-text-light);
  font-size: 1.02rem;
  margin-bottom: 64px;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.9;
}

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

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

/* ====================================
   モダン・カード
   ==================================== */
.card {
  background: var(--color-white);
  border-radius: var(--radius);
  padding: 36px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border: 1px solid rgba(208, 227, 255, 0.6);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-accent);
}

.card-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--color-accent-light), #ffffff);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  font-size: 1.6rem;
  margin-bottom: 24px;
  box-shadow: var(--shadow-sm);
}

.card h3 {
  font-size: 1.3rem;
  color: var(--color-primary-dark);
  margin-bottom: 14px;
  font-weight: 700;
}

.card p {
  color: var(--color-text-light);
  font-size: 0.96rem;
  line-height: 1.9;
  flex: 1;
}

/* グリッド */
.grid {
  display: grid;
  gap: 32px;
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* ====================================
   CTAセクション
   ==================================== */
.cta-section {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-white);
  text-align: center;
  padding: 96px 24px;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: "";
  position: absolute;
  top: -50%;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(50, 130, 184, 0.25) 0%, transparent 60%);
  border-radius: 50%;
}

.cta-section h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  margin-bottom: 20px;
  font-weight: 800;
  position: relative;
  z-index: 1;
}

.cta-section p {
  font-size: 1.08rem;
  margin-bottom: 36px;
  opacity: 0.9;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
  position: relative;
  z-index: 1;
}

.cta-section .btn {
  background: var(--color-white);
  color: var(--color-primary);
  font-weight: 700;
  position: relative;
  z-index: 1;
  box-shadow: var(--shadow-md);
}

.cta-section .btn:hover {
  background: var(--color-accent-light);
  transform: translateY(-3px) scale(1.02);
}

/* ====================================
   フッター
   ==================================== */
.site-footer {
  background: var(--color-primary-dark);
  color: rgba(255, 255, 255, 0.85);
  padding: 72px 24px 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-inner {
  max-width: 1140px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand .site-logo {
  color: var(--color-white);
  margin-bottom: 20px;
}

.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.9;
  opacity: 0.75;
}

.footer-col h4 {
  color: var(--color-white);
  font-size: 1rem;
  margin-bottom: 20px;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.footer-col ul {
  list-style: none;
}

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

.footer-col a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
  transition: var(--transition);
}

.footer-col a:hover {
  color: var(--color-white);
  padding-left: 4px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 28px;
  max-width: 1140px;
  margin: 0 auto;
  text-align: center;
  font-size: 0.85rem;
  opacity: 0.6;
}

/* ====================================
   ページ別コンテンツ
   ==================================== */

/* TOPページ - 3事業紹介 */
.service-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border: 1px solid rgba(208, 227, 255, 0.6);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-accent);
}

.service-card-header {
  background: linear-gradient(135deg, var(--color-bg-alt), #ffffff);
  padding: 36px;
  border-bottom: 1px solid rgba(208, 227, 255, 0.5);
}

.service-card-header h3 {
  font-size: 1.5rem;
  color: var(--color-primary-dark);
  margin-bottom: 8px;
  font-weight: 800;
}

.service-card-header .service-tag {
  font-size: 0.82rem;
  color: var(--color-accent);
  letter-spacing: 0.08em;
  font-weight: 700;
}

.service-card-body {
  padding: 32px 36px;
}

.service-card-body p {
  color: var(--color-text-light);
  font-size: 0.98rem;
  margin-bottom: 24px;
  line-height: 1.9;
}

.service-card-body .link-more {
  color: var(--color-primary);
  font-weight: 700;
  font-size: 0.95rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.service-card-body .link-more:hover {
  gap: 12px;
  color: var(--color-accent);
}

/* 数字を強調表示 */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 48px;
}

.stat-item {
  text-align: center;
  padding: 36px 24px;
  background: var(--color-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(208, 227, 255, 0.6);
  transition: var(--transition);
}

.stat-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-accent);
}

.stat-number {
  font-size: 2.8rem;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 8px;
}

.stat-number .unit {
  font-size: 1.2rem;
  margin-left: 4px;
  -webkit-text-fill-color: var(--color-primary);
}

.stat-label {
  color: var(--color-text-light);
  font-size: 0.95rem;
  font-weight: 600;
}

/* コンテンツブロック */
.content-block {
  background: var(--color-white);
  border-radius: var(--radius);
  padding: 44px;
  margin-bottom: 32px;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(208, 227, 255, 0.6);
  border-left: 5px solid var(--color-primary);
}

.content-block h2 {
  font-size: 1.5rem;
  color: var(--color-primary-dark);
  margin-bottom: 18px;
  font-weight: 800;
}

.content-block h3 {
  font-size: 1.2rem;
  color: var(--color-primary-dark);
  margin-bottom: 14px;
  font-weight: 700;
}

.content-block p {
  color: var(--color-text-light);
  line-height: 2;
  margin-bottom: 14px;
}

/* メッセージページ */
.message-block {
  background: var(--color-white);
  padding: 48px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(208, 227, 255, 0.6);
  margin-bottom: 24px;
}

.message-block h3 {
  font-size: 1.35rem;
  color: var(--color-primary-dark);
  margin-bottom: 18px;
  padding-left: 18px;
  border-left: 4px solid var(--color-accent);
  font-weight: 700;
}

.message-block p {
  color: var(--color-text);
  line-height: 2;
}

.signature {
  text-align: right;
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
}

.signature .name {
  font-size: 1.25rem;
  color: var(--color-primary-dark);
  font-weight: 800;
  margin-bottom: 4px;
}

.signature .title {
  font-size: 0.9rem;
  color: var(--color-text-light);
}

/* 会社情報テーブル */
.info-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-white);
  box-shadow: var(--shadow-sm);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid rgba(208, 227, 255, 0.6);
}

.info-table th,
.info-table td {
  padding: 22px 28px;
  text-align: left;
  border-bottom: 1px solid rgba(208, 227, 255, 0.4);
}

.info-table th {
  background: var(--color-bg-alt);
  color: var(--color-primary-dark);
  font-weight: 700;
  width: 28%;
  font-size: 0.96rem;
}

.info-table td {
  color: var(--color-text);
  line-height: 1.8;
}

.info-table tr:hover td,
.info-table tr:hover th {
  background: rgba(244, 249, 255, 0.5);
}

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

/* フォーム */
.contact-form {
  background: var(--color-white);
  padding: 56px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(208, 227, 255, 0.6);
}

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

.form-group label {
  display: block;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 10px;
  font-size: 0.96rem;
}

.form-group .required {
  background: #fff0f0;
  color: #e53e3e;
  font-size: 0.75rem;
  padding: 3px 8px;
  border-radius: 4px;
  margin-left: 8px;
  font-weight: 600;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 14px 18px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-family: inherit;
  background: #f8fafc;
  transition: var(--transition);
  color: var(--color-text);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  background: var(--color-white);
  box-shadow: 0 0 0 4px rgba(50, 130, 184, 0.15);
}

.form-group textarea {
  resize: vertical;
  min-height: 180px;
}

.form-note {
  font-size: 0.88rem;
  color: var(--color-text-light);
  background: var(--color-bg-alt);
  padding: 18px 24px;
  border-radius: var(--radius-sm);
  margin: 28px 0;
  border-left: 4px solid var(--color-accent);
}

/* リスト */
.check-list {
  list-style: none;
  padding: 0;
}

.check-list li {
  padding: 14px 0 14px 36px;
  position: relative;
  color: var(--color-text);
  line-height: 1.8;
  border-bottom: 1px dashed rgba(208, 227, 255, 0.6);
}

.check-list li:last-child {
  border-bottom: none;
}

.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 14px;
  width: 24px;
  height: 24px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 800;
  box-shadow: var(--shadow-sm);
}

/* タイムライン（事業実績の今後の目標） */
.timeline {
  position: relative;
  padding-left: 40px;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 11px;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-border) 100%);
  border-radius: 3px;
}

.timeline-item {
  position: relative;
  padding-bottom: 36px;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -35px;
  top: 4px;
  width: 16px;
  height: 16px;
  background: var(--color-white);
  border-radius: 50%;
  border: 4px solid var(--color-primary);
  box-shadow: 0 0 0 4px rgba(15, 48, 87, 0.1);
}

.timeline-year {
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 8px;
  font-size: 1.1rem;
}

/* ====================================
   追加した画像レイアウト用のスタイル
   ==================================== */

/* メッセージページのレイアウト */
.message-wrapper {
  display: flex;
  gap: 48px;
  align-items: flex-start;
  margin-bottom: 48px;
}

.message-profile-img {
  flex: 0 0 300px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  border: 1px solid rgba(208, 227, 255, 0.6);
}

.message-content-area {
  flex: 1;
}

.message-content-area .message-block {
  margin-bottom: 24px;
}

.concept-image-wrapper {
  text-align: center;
  margin-top: 56px;
}

.concept-image-wrapper img {
  max-width: 100%;
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(208, 227, 255, 0.6);
}

/* お問い合わせページのメール画像レイアウト */
.email-image-wrapper {
  text-align: center;
  margin-top: 24px;
  padding: 36px 20px;
  background: var(--color-bg-alt);
  border-radius: var(--radius);
  border: 1px solid rgba(208, 227, 255, 0.6);
}

.email-image-wrapper img {
  max-height: 42px;
  margin: 0 auto;
}

/* ====================================
   アニメーション
   ==================================== */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ====================================
   レスポンシブ
   ==================================== */
@media (max-width: 960px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-inner {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }
  .stat-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  body { font-size: 15px; }

  .menu-toggle { display: block; }

  .main-nav {
    position: fixed;
    top: 76px;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(16px);
    box-shadow: var(--shadow-lg);
    transform: translateY(-150%);
    transition: transform 0.3s ease;
    border-top: 1px solid var(--color-border);
  }

  .main-nav.active {
    transform: translateY(0);
  }

  .main-nav ul {
    flex-direction: column;
    padding: 20px;
    gap: 8px;
  }

  .main-nav a {
    padding: 14px 18px;
  }

  .nav-cta {
    text-align: center;
    margin-top: 10px;
    margin-left: 0;
  }

  section { padding: 64px 0; }
  .hero { padding: 70px 24px 90px; }

  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .content-block,
  .message-block,
  .contact-form {
    padding: 32px 20px;
  }

  .info-table th,
  .info-table td {
    display: block;
    width: 100%;
    padding: 14px 20px;
  }

  .info-table th {
    border-bottom: none;
    padding-bottom: 6px;
  }

  .hero-buttons {
    flex-direction: column;
  }

  .hero-buttons .btn {
    width: 100%;
  }

  .message-wrapper {
    flex-direction: column;
  }

  .message-profile-img {
    flex: none;
    width: 100%;
    max-width: 320px;
    margin: 0 auto 24px;
  }

  .email-image-wrapper img {
    max-height: 30px;
  }
}

/* ====================================
   LINEデモ画面セクション
   ==================================== */
.line-demo-section {
  background: linear-gradient(180deg, var(--color-bg-alt) 0%, #ffffff 100%);
  padding: 96px 20px;
  text-align: center;
}

.line-demo-inner {
  max-width: 800px;
  margin: 0 auto;
}

.line-demo-title {
  color: var(--color-primary-dark);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  margin-bottom: 16px;
  font-weight: 800;
}

.line-demo-desc {
  color: var(--color-text-light);
  margin-bottom: 48px;
  font-size: 1.05rem;
}

/* スマホ風の枠組み設定 */
.line-demo-mockup {
  background-color: var(--color-white);
  border: 6px solid var(--color-primary-dark);
  border-radius: 36px;
  padding: 16px;
  max-width: 320px;
  margin: 0 auto;
  box-shadow: var(--shadow-lg);
  position: relative;
}

/* 画面上部のスピーカー部分の装飾 */
.line-demo-mockup::before {
  content: "";
  position: absolute;
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
  width: 50px;
  height: 5px;
  background-color: var(--color-primary-dark);
  border-radius: 10px;
}

.line-demo-img {
  width: 100%;
  height: auto;
  border-radius: 20px;
  display: block;
  margin-top: 12px;
}

/* ====================================
   ブログ (モダンカード仕様)
   ==================================== */
.blog-hero-tag {
  display: inline-block;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: var(--color-white);
  font-size: 0.8rem;
  padding: 6px 16px;
  border-radius: 50px;
  font-weight: 700;
  letter-spacing: 0.08em;
  box-shadow: var(--shadow-sm);
}

.blog-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-bottom: 48px;
}

.blog-filter button {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  padding: 10px 22px;
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
  box-shadow: var(--shadow-sm);
}

.blog-filter button:hover,
.blog-filter button.active {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: var(--color-white);
  border-color: transparent;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.blog-card {
  background: var(--color-white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(208, 227, 255, 0.6);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.blog-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-accent);
}

.blog-card a {
  color: inherit;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.blog-thumb {
  height: 200px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3.2rem;
  color: var(--color-white);
  position: relative;
  transition: transform 0.5s ease;
}

.blog-card:hover .blog-thumb {
  transform: scale(1.05);
}

.blog-thumb.thumb-2 { background: linear-gradient(135deg, #3282b8, #bbdefb); color: var(--color-primary-dark); }
.blog-thumb.thumb-3 { background: linear-gradient(135deg, #0f3057, #3282b8); }
.blog-thumb.thumb-4 { background: linear-gradient(135deg, #5c6e80, #bbdefb); color: var(--color-primary-dark); }
.blog-thumb.thumb-5 { background: linear-gradient(135deg, #081a30, #3282b8); }
.blog-thumb.thumb-6 { background: linear-gradient(135deg, #3282b8, #0f3057); }
.blog-thumb.thumb-7 { background: linear-gradient(135deg, #bbdefb, #3282b8); color: var(--color-primary-dark); }
.blog-thumb.thumb-8 { background: linear-gradient(135deg, #0f3057, #081a30); }
.blog-thumb.thumb-9 { background: linear-gradient(135deg, #3282b8, #f0f8ff); color: var(--color-primary-dark); }
.blog-thumb.thumb-10 { background: linear-gradient(135deg, #081a30, #5c6e80); }
.blog-thumb.thumb-11 { background: linear-gradient(135deg, #3282b8, #bbdefb); color: var(--color-primary-dark); }

.blog-card-body {
  padding: 28px 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
  background: var(--color-white);
  z-index: 1;
}

.blog-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
  font-size: 0.82rem;
  color: var(--color-text-light);
}

.blog-category {
  background: var(--color-accent-light);
  color: var(--color-primary);
  padding: 4px 12px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 0.75rem;
}

.blog-card h3 {
  font-size: 1.15rem;
  color: var(--color-primary-dark);
  margin-bottom: 14px;
  line-height: 1.6;
  font-weight: 700;
}

.blog-excerpt {
  color: var(--color-text-light);
  font-size: 0.92rem;
  line-height: 1.8;
  flex: 1;
  margin-bottom: 20px;
}

.blog-read-more {
  color: var(--color-primary);
  font-weight: 700;
  font-size: 0.9rem;
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: var(--transition);
}

.blog-card:hover .blog-read-more {
  color: var(--color-accent);
  gap: 8px;
}

/* ブログ記事本文 */
.blog-article {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 64px;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(208, 227, 255, 0.6);
}

.blog-article-header {
  border-bottom: 1px solid rgba(208, 227, 255, 0.6);
  padding-bottom: 32px;
  margin-bottom: 40px;
}

.blog-article-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 18px;
  font-size: 0.88rem;
  color: var(--color-text-light);
  flex-wrap: wrap;
}

.blog-article h1 {
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  color: var(--color-primary-dark);
  line-height: 1.45;
  font-weight: 800;
  margin-bottom: 12px;
}

.blog-article h2 {
  font-size: 1.45rem;
  color: var(--color-primary-dark);
  margin: 48px 0 20px;
  padding-left: 18px;
  border-left: 5px solid var(--color-accent);
  font-weight: 800;
}

.blog-article h3 {
  font-size: 1.2rem;
  color: var(--color-primary-dark);
  margin: 32px 0 14px;
  font-weight: 700;
}

.blog-article p {
  color: var(--color-text);
  line-height: 2;
  margin-bottom: 24px;
  font-size: 1.02rem;
}

.blog-article ul, .blog-article ol {
  margin-bottom: 28px;
  padding-left: 24px;
}

.blog-article li {
  color: var(--color-text);
  line-height: 2;
  margin-bottom: 10px;
}

.blog-quote-block {
  background: var(--color-bg-alt);
  border-left: 5px solid var(--color-primary);
  padding: 28px 32px;
  margin: 32px 0;
  border-radius: 0 var(--radius) var(--radius) 0;
}

.blog-quote-block .quote-author {
  font-size: 0.9rem;
  color: var(--color-primary);
  font-weight: 700;
  margin-bottom: 8px;
}

.blog-quote-block p {
  margin-bottom: 0;
  font-size: 0.98rem;
  line-height: 1.9;
}

.blog-tags {
  margin-top: 48px;
  padding-top: 28px;
  border-top: 1px solid rgba(208, 227, 255, 0.6);
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.blog-tag {
  background: var(--color-bg-alt);
  color: var(--color-primary);
  padding: 8px 16px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  transition: var(--transition);
}

.blog-tag:hover {
  background: var(--color-accent-light);
  color: var(--color-primary-dark);
}

.blog-nav {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-top: 40px;
  flex-wrap: wrap;
}

.blog-nav a {
  background: var(--color-white);
  border: 1px solid rgba(208, 227, 255, 0.6);
  padding: 20px 28px;
  border-radius: var(--radius);
  font-size: 0.95rem;
  transition: var(--transition);
  flex: 1;
  min-width: 220px;
  box-shadow: var(--shadow-sm);
}

.blog-nav a:hover {
  border-color: var(--color-accent);
  background: var(--color-bg-alt);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.blog-nav .nav-label {
  display: block;
  font-size: 0.78rem;
  color: var(--color-accent);
  margin-bottom: 6px;
  font-weight: 700;
  letter-spacing: 0.05em;
}

/* パンくずリスト強化版 */
.breadcrumb-nav {
  background: var(--color-bg-alt);
  padding: 14px 0;
  border-bottom: 1px solid rgba(208, 227, 255, 0.5);
  font-size: 0.88rem;
}

.breadcrumb-nav .container {
  color: var(--color-text-light);
  display: flex;
  align-items: center;
  gap: 8px;
}

.breadcrumb-nav a {
  color: var(--color-text-light);
  font-weight: 500;
}

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

.breadcrumb-nav .separator {
  color: var(--color-border);
}

@media (max-width: 960px) {
  .blog-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .blog-grid { grid-template-columns: 1fr; }
  .blog-article { padding: 32px 24px; }
}