/* ============================================
   安武板金 YASUTAKE BANKIN — v2.0
   全面改善版：モダンUI・マイクロインタラクション
   カラー：水色・グリーン・白ベース
   ============================================ */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  /* メインカラー：さわやか水色 */
  --color-primary:    #0ea5e9;
  --color-primary-d:  #0284c7;
  --color-primary-l:  #e0f2fe;
  --color-primary-ll: #f0f9ff;

  /* アクセント：グリーン */
  --color-green:      #10b981;
  --color-green-d:    #059669;
  --color-green-l:    #d1fae5;

  /* 熱遮断：オレンジ（法人） */
  --color-heat:       #f97316;
  --color-heat-d:     #ea580c;
  --color-heat-l:     #fff7ed;

  /* セカンダリ（アンバー）*/
  --color-secondary:  #f59e0b;
  --color-secondary-d:#d97706;

  /* テキスト・背景 */
  --color-dark:       #0f172a;
  --color-text:       #334155;
  --color-text-light: #64748b;
  --color-bg:         #f0f9ff;
  --color-bg2:        #f8fafc;
  --color-white:      #ffffff;
  --color-border:     #e2e8f0;

  /* LINE */
  --color-line:       #06c755;

  /* フォント */
  --font-jp:  'Noto Sans JP', sans-serif;
  --font-en:  'Oswald', 'Poppins', sans-serif;

  /* シャドウ — より深みのあるレイヤー */
  --shadow-xs: 0 1px 2px rgba(0,0,0,0.04);
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -4px rgba(0,0,0,0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.08), 0 8px 10px -6px rgba(0,0,0,0.04);
  --shadow-glow-blue: 0 0 20px rgba(14,165,233,0.15);
  --shadow-glow-heat: 0 0 20px rgba(249,115,22,0.15);

  --radius:    8px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ============================================
   ベースリセット＆タイポグラフィ
   ============================================ */
html {
  scroll-behavior: smooth;
  font-size: 16px;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-jp);
  color: var(--color-text);
  background: var(--color-white);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition), opacity var(--transition);
}

ul { list-style: none; }

::selection {
  background: var(--color-primary);
  color: #fff;
}

/* ============================================
   レイアウト
   ============================================ */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: 96px 0; }
.section--sky   { background: var(--color-bg); }
.section--gray  { background: var(--color-bg2); }
.section--white { background: var(--color-white); }
.section--green { background: var(--color-green-l); }
.section--dark  { background: var(--color-dark); color: #fff; }

/* ============================================
   セクションタイトル — リファイン
   ============================================ */
.section-head {
  text-align: center;
  margin-bottom: 56px;
}

.section-head__label {
  display: inline-block;
  font-family: var(--font-en);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: var(--color-primary-l);
  padding: 5px 16px;
  border-radius: 20px;
  margin-bottom: 14px;
  border: 1px solid rgba(14,165,233,0.12);
}

.section-head__title {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 900;
  color: var(--color-dark);
  line-height: 1.35;
  letter-spacing: 0.01em;
}

.section-head__title em {
  color: var(--color-primary);
  font-style: normal;
  position: relative;
}
.section-head__title em::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-green));
  border-radius: 2px;
  opacity: 0.4;
}

.section-head__title em.green { color: var(--color-green); }
.section-head__title em.green::after { background: linear-gradient(90deg, var(--color-green), var(--color-primary)); }
.section-head__title em.heat { color: var(--color-heat); }
.section-head__title em.heat::after { background: linear-gradient(90deg, var(--color-heat), var(--color-secondary)); }

.section-head__sub {
  margin-top: 14px;
  font-size: 0.95rem;
  color: var(--color-text-light);
  line-height: 1.7;
}

/* ============================================
   ヘッダー — ガラスモーフィズム強化
   ============================================ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  box-shadow: 0 1px 0 rgba(0,0,0,0.05);
  height: 68px;
  display: flex;
  align-items: center;
  transition: background var(--transition), box-shadow var(--transition), height var(--transition);
}

.site-header.is-scrolled {
  background: rgba(255,255,255,0.97);
  box-shadow: 0 4px 20px rgba(0,0,0,0.06);
  height: 60px;
}

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

/* ロゴ */
.site-logo {
  display: flex;
  flex-direction: column;
  line-height: 1;
  transition: transform var(--transition);
}
.site-logo:hover { transform: scale(1.02); }

.site-logo__ja {
  font-size: 1.2rem;
  font-weight: 900;
  color: var(--color-dark);
  letter-spacing: 0.04em;
}

.site-logo__en {
  font-family: var(--font-en);
  font-size: 0.58rem;
  letter-spacing: 0.18em;
  color: var(--color-primary);
  margin-top: 2px;
}

/* ナビ */
.site-nav { display: flex; align-items: center; gap: 6px; }

.site-nav__list { display: flex; align-items: center; gap: 2px; }

.site-nav__list a {
  display: block;
  padding: 7px 13px;
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--color-text);
  border-radius: var(--radius);
  transition: background var(--transition), color var(--transition), transform var(--transition);
  position: relative;
}

.site-nav__list a::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: width var(--transition), left var(--transition);
  border-radius: 1px;
}

.site-nav__list a:hover::after,
.site-nav__list a.active::after {
  width: 60%;
  left: 20%;
}

.site-nav__list a:hover,
.site-nav__list a.active {
  color: var(--color-primary);
}

.site-nav__cta { display: flex; gap: 8px; margin-left: 14px; }

/* ハンバーガー — アニメーション改善 */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  background: none;
  border: none;
  position: relative;
  z-index: 10;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-dark);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
  transform-origin: center;
}
.hamburger[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.hamburger[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.hamburger[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* モバイルメニュー — スライドダウン */
.mobile-menu {
  display: none;
  position: fixed;
  top: 68px; left: 0; right: 0;
  background: var(--color-white);
  box-shadow: var(--shadow-xl);
  z-index: 999;
  padding: 16px 20px 24px;
  border-top: 3px solid var(--color-primary);
  transform: translateY(-10px);
  opacity: 0;
  transition: transform var(--transition), opacity var(--transition);
}
.mobile-menu.is-open {
  display: block;
  transform: translateY(0);
  opacity: 1;
  animation: slideDown 0.3s ease forwards;
}
@keyframes slideDown {
  from { transform: translateY(-10px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.mobile-menu__list { display: flex; flex-direction: column; margin-bottom: 16px; }
.mobile-menu__list a {
  display: block;
  padding: 14px 12px;
  font-size: 0.95rem;
  font-weight: 600;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text);
  transition: color var(--transition), padding-left var(--transition);
}
.mobile-menu__list a:hover {
  color: var(--color-primary);
  padding-left: 20px;
}
.mobile-menu__cta { display: flex; flex-direction: column; gap: 10px; }

/* ============================================
   ボタン — 改善版
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  font-size: 0.9rem;
  font-weight: 700;
  border-radius: 50px;
  transition: all var(--transition);
  cursor: pointer;
  border: 2px solid transparent;
  letter-spacing: 0.03em;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

/* ボタン共通 shine エフェクト */
.btn::before {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s ease;
}
.btn:hover::before {
  left: 100%;
}

.btn--primary {
  background: linear-gradient(135deg, var(--color-primary) 0%, #0284c7 100%);
  color: #fff;
  box-shadow: 0 4px 14px rgba(14,165,233,0.3);
}
.btn--primary:hover {
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(14,165,233,0.4);
}

.btn--green {
  background: linear-gradient(135deg, var(--color-green) 0%, #059669 100%);
  color: #fff;
  box-shadow: 0 4px 14px rgba(16,185,129,0.3);
}
.btn--green:hover {
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(16,185,129,0.4);
}

.btn--heat {
  background: linear-gradient(135deg, var(--color-heat) 0%, #ea580c 100%);
  color: #fff;
  box-shadow: 0 4px 14px rgba(249,115,22,0.3);
}
.btn--heat:hover {
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(249,115,22,0.4);
}

.btn--outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.btn--outline:hover {
  background: var(--color-primary);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(14,165,233,0.3);
}

.btn--outline-white {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.6);
}
.btn--outline-white:hover {
  background: rgba(255,255,255,0.15);
  color: #fff;
  transform: translateY(-2px);
}

.btn--line {
  background: linear-gradient(135deg, var(--color-line) 0%, #04a844 100%);
  color: #fff;
  box-shadow: 0 4px 14px rgba(6,199,85,0.3);
}
.btn--line:hover {
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(6,199,85,0.4);
}

.btn--tel {
  background: #fff;
  color: var(--color-primary);
  border-color: var(--color-primary);
  font-size: 0.84rem;
  padding: 9px 16px;
}
.btn--tel:hover {
  background: var(--color-primary);
  color: #fff;
  transform: translateY(-2px);
}

.btn--gold {
  background: linear-gradient(135deg, var(--color-secondary) 0%, #d97706 100%);
  color: #fff;
  box-shadow: 0 4px 14px rgba(245,158,11,0.3);
}
.btn--gold:hover {
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(245,158,11,0.4);
}

.btn--lg { padding: 16px 40px; font-size: 1rem; }
.btn--full { width: 100%; }
.btn--sm { padding: 8px 18px; font-size: 0.82rem; }

/* ============================================
   ページヒーロー（下層）
   ============================================ */
.page-hero {
  margin-top: 68px;
  padding: 64px 0 56px;
  background: linear-gradient(135deg, var(--color-primary) 0%, #0369a1 100%);
  color: #fff;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.page-hero::after {
  content: '';
  position: absolute;
  bottom: -60px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(255,255,255,0.06) 0%, transparent 60%);
  pointer-events: none;
}
.page-hero__label {
  font-family: var(--font-en);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  color: rgba(255,255,255,0.7);
  margin-bottom: 12px;
  position: relative;
}
.page-hero__title {
  font-size: clamp(1.7rem, 4vw, 2.6rem);
  font-weight: 900;
  position: relative;
  letter-spacing: 0.02em;
}
.page-hero__sub {
  margin-top: 14px;
  font-size: 0.92rem;
  color: rgba(255,255,255,0.8);
  position: relative;
}
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  color: rgba(255,255,255,0.5);
  margin-top: 20px;
  justify-content: center;
  position: relative;
}
.breadcrumb a { color: rgba(255,255,255,0.6); }
.breadcrumb a:hover { color: #fff; }

/* ============================================
   カード — ホバー改善
   ============================================ */
.card {
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
  border: 1px solid rgba(0,0,0,0.04);
}
.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

/* ============================================
   グリッド
   ============================================ */
.grid-2 { display: grid; grid-template-columns: repeat(2,1fr); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; }

/* ============================================
   チェックリスト — 改善版
   ============================================ */
.check-list { display: flex; flex-direction: column; gap: 12px; }
.check-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.92rem;
  line-height: 1.6;
}
.check-list li::before {
  content: '✓';
  min-width: 24px;
  height: 24px;
  background: linear-gradient(135deg, var(--color-primary) 0%, #0284c7 100%);
  color: #fff;
  border-radius: 50%;
  font-size: 0.72rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
  box-shadow: 0 2px 6px rgba(14,165,233,0.25);
}
.check-list--green li::before {
  background: linear-gradient(135deg, var(--color-green) 0%, #059669 100%);
  box-shadow: 0 2px 6px rgba(16,185,129,0.25);
}
.check-list--heat li::before {
  background: linear-gradient(135deg, var(--color-heat) 0%, #ea580c 100%);
  box-shadow: 0 2px 6px rgba(249,115,22,0.25);
}

/* ============================================
   フィーチャーアイテム — ホバー改善
   ============================================ */
.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  padding: 24px;
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(0,0,0,0.04);
  transition: transform var(--transition), box-shadow var(--transition);
}
.feature-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.feature-item__icon {
  min-width: 52px;
  height: 52px;
  background: var(--color-primary-l);
  color: var(--color-primary);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
  transition: transform var(--transition-bounce);
}
.feature-item:hover .feature-item__icon {
  transform: scale(1.1) rotate(-3deg);
}
.feature-item__icon--green { background: var(--color-green-l); color: var(--color-green); }
.feature-item__icon--heat  { background: var(--color-heat-l);  color: var(--color-heat); }

.feature-item__body h3 {
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 6px;
}
.feature-item__body p {
  font-size: 0.86rem;
  color: var(--color-text-light);
  line-height: 1.65;
}

/* ============================================
   CTAバナー — ガラスカード風
   ============================================ */
.cta-banner {
  background: linear-gradient(135deg, #0369a1 0%, var(--color-primary) 50%, var(--color-green) 100%);
  color: #fff;
  padding: 80px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(255,255,255,0.08), transparent 60%);
  pointer-events: none;
}
.cta-banner::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(255,255,255,0.05), transparent 60%);
  pointer-events: none;
}
.cta-banner__title {
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 900;
  margin-bottom: 12px;
  position: relative;
}
.cta-banner__sub {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.85);
  margin-bottom: 36px;
  position: relative;
  line-height: 1.8;
}
.cta-banner__btns {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  position: relative;
}
.cta-banner__note {
  margin-top: 18px;
  font-size: 0.76rem;
  color: rgba(255,255,255,0.5);
  position: relative;
}

/* ============================================
   固定CTAバー（モバイル）
   ============================================ */
.fixed-contact-bar {
  display: none;
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 500;
  background: rgba(255,255,255,0.98);
  backdrop-filter: blur(12px);
  border-top: 1px solid rgba(14,165,233,0.12);
  padding: 10px 12px;
  gap: 8px;
  box-shadow: 0 -4px 30px rgba(0,0,0,0.08);
}
.fixed-contact-bar a {
  flex: 1;
  text-align: center;
  padding: 12px 6px;
  border-radius: var(--radius);
  font-size: 0.8rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  color: #fff;
  transition: transform var(--transition), opacity var(--transition);
}
.fixed-contact-bar a:active { transform: scale(0.96); }
.fixed-contact-bar__tel  { background: linear-gradient(135deg, var(--color-primary), #0284c7); }
.fixed-contact-bar__line { background: linear-gradient(135deg, var(--color-line), #04a844); }
.fixed-contact-bar__form { background: linear-gradient(135deg, var(--color-green), #059669); }

/* ============================================
   フッター — リファイン
   ============================================ */
.site-footer {
  background: var(--color-dark);
  color: rgba(255,255,255,0.7);
  padding: 64px 0 0;
  position: relative;
}
.site-footer::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-green), var(--color-heat));
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.footer-logo__ja {
  font-size: 1.3rem;
  font-weight: 900;
  color: #fff;
}
.footer-logo__en {
  font-family: var(--font-en);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  color: var(--color-primary);
  display: block;
  margin-top: 3px;
}
.footer-info {
  margin-top: 18px;
  font-size: 0.82rem;
  line-height: 2.1;
}
.footer-info a { color: rgba(255,255,255,0.7); }
.footer-info a:hover { color: var(--color-primary); }

.footer-nav h4 {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 16px;
  position: relative;
  padding-bottom: 10px;
}
.footer-nav h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 24px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 1px;
}
.footer-nav ul { display: flex; flex-direction: column; gap: 10px; }
.footer-nav ul a {
  font-size: 0.84rem;
  color: rgba(255,255,255,0.55);
  transition: color var(--transition), padding-left var(--transition);
}
.footer-nav ul a:hover {
  color: #fff;
  padding-left: 4px;
}

.footer-bottom {
  padding: 20px 0;
  text-align: center;
  font-size: 0.74rem;
  color: rgba(255,255,255,0.25);
}

/* ============================================
   仮画像プレースホルダー
   ============================================ */
.img-placeholder {
  width: 100%;
  background: linear-gradient(135deg, var(--color-primary-l), #bae6fd);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  color: var(--color-primary);
  font-size: 0.84rem;
  font-weight: 600;
}
.img-placeholder--hero { height: 480px; }
.img-placeholder--card { height: 200px; }

/* ============================================
   ユーティリティ
   ============================================ */
.text-center { text-align: center; }
.mt-8  { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-40 { margin-top: 40px; }
.fw-900 { font-weight: 900; }
.color-primary { color: var(--color-primary); }
.color-green   { color: var(--color-green); }
.color-heat    { color: var(--color-heat); }

/* ============================================
   スクロールアニメーション — 豊富なバリエーション
   ============================================ */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}
.fade-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.fade-in-delay-1 { transition-delay: 0.12s; }
.fade-in-delay-2 { transition-delay: 0.24s; }
.fade-in-delay-3 { transition-delay: 0.36s; }
.fade-in-delay-4 { transition-delay: 0.48s; }

/* 左右からスライドイン */
.slide-in-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.slide-in-left.is-visible {
  opacity: 1;
  transform: translateX(0);
}

.slide-in-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.slide-in-right.is-visible {
  opacity: 1;
  transform: translateX(0);
}

/* スケールイン */
.scale-in {
  opacity: 0;
  transform: scale(0.9);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.scale-in.is-visible {
  opacity: 1;
  transform: scale(1);
}

/* ============================================
   チャットボット — UI改善
   ============================================ */
.chatbot-btn {
  position: fixed;
  bottom: 88px;
  right: 20px;
  z-index: 600;
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-green));
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  cursor: pointer;
  box-shadow: 0 6px 24px rgba(14,165,233,0.4);
  border: none;
  transition: transform var(--transition-bounce), box-shadow var(--transition);
  animation: chatPulse 3s ease-in-out infinite;
}
.chatbot-btn:hover {
  transform: scale(1.12);
  box-shadow: 0 8px 32px rgba(14,165,233,0.5);
}
@keyframes chatPulse {
  0%,100% { box-shadow: 0 6px 24px rgba(14,165,233,0.4); }
  50%      { box-shadow: 0 6px 32px rgba(14,165,233,0.6), 0 0 0 10px rgba(14,165,233,0.08); }
}

.chatbot-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  background: #ef4444;
  color: #fff;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  font-size: 0.68rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid #fff;
  animation: badgeBounce 2s ease-in-out infinite;
}
@keyframes badgeBounce {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.15); }
}

.chatbot-window {
  position: fixed;
  bottom: 160px;
  right: 20px;
  z-index: 600;
  width: 360px;
  max-height: 540px;
  background: #fff;
  border-radius: var(--radius-xl);
  box-shadow: 0 12px 50px rgba(0,0,0,0.15);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid rgba(0,0,0,0.06);
  animation: chatOpen 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}
@keyframes chatOpen {
  from { opacity: 0; transform: translateY(20px) scale(0.92); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}
.chatbot-window.is-hidden { display: none; }

.chatbot-header {
  background: linear-gradient(135deg, var(--color-primary), var(--color-green));
  color: #fff;
  padding: 18px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.chatbot-header__avatar {
  width: 38px;
  height: 38px;
  background: rgba(255,255,255,0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  backdrop-filter: blur(4px);
}
.chatbot-header__name { font-weight: 700; font-size: 0.95rem; }
.chatbot-header__status { font-size: 0.72rem; opacity: 0.8; }
.chatbot-header__close {
  margin-left: auto;
  background: rgba(255,255,255,0.15);
  border: none;
  color: #fff;
  font-size: 1rem;
  cursor: pointer;
  padding: 6px;
  opacity: 0.8;
  line-height: 1;
  border-radius: 50%;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition), opacity var(--transition);
}
.chatbot-header__close:hover {
  opacity: 1;
  background: rgba(255,255,255,0.25);
}

.chatbot-messages {
  flex: 1;
  overflow-y: auto;
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: #f8fafc;
}
.chatbot-messages::-webkit-scrollbar { width: 4px; }
.chatbot-messages::-webkit-scrollbar-track { background: transparent; }
.chatbot-messages::-webkit-scrollbar-thumb { background: rgba(0,0,0,0.1); border-radius: 4px; }

.chat-bubble {
  max-width: 85%;
  padding: 11px 16px;
  border-radius: 18px;
  font-size: 0.86rem;
  line-height: 1.65;
  animation: bubbleIn 0.3s ease;
}
@keyframes bubbleIn {
  from { opacity: 0; transform: translateY(8px) scale(0.95); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
.chat-bubble--bot {
  background: #fff;
  color: var(--color-text);
  border: 1px solid rgba(0,0,0,0.06);
  border-bottom-left-radius: 4px;
  align-self: flex-start;
  box-shadow: var(--shadow-xs);
}
.chat-bubble--user {
  background: linear-gradient(135deg, var(--color-primary), #0284c7);
  color: #fff;
  border-bottom-right-radius: 4px;
  align-self: flex-end;
}
.chat-bubble--bot .bot-icon {
  font-size: 1rem;
  margin-bottom: 4px;
  display: block;
}

/* タイピングインジケーター */
.typing-indicator {
  display: flex;
  gap: 4px;
  padding: 12px 16px;
  align-self: flex-start;
}
.typing-indicator span {
  width: 8px;
  height: 8px;
  background: #94a3b8;
  border-radius: 50%;
  animation: typingDot 1.4s ease-in-out infinite;
}
.typing-indicator span:nth-child(2) { animation-delay: 0.2s; }
.typing-indicator span:nth-child(3) { animation-delay: 0.4s; }
@keyframes typingDot {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
  30% { transform: translateY(-6px); opacity: 1; }
}

.chatbot-choices {
  padding: 0 18px 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: #f8fafc;
}
.chat-choice {
  padding: 10px 16px;
  background: #fff;
  border: 1.5px solid var(--color-primary);
  border-radius: 50px;
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--color-primary);
  cursor: pointer;
  text-align: left;
  transition: all var(--transition);
}
.chat-choice:hover {
  background: var(--color-primary);
  color: #fff;
  transform: translateX(4px);
  box-shadow: 0 2px 8px rgba(14,165,233,0.2);
}

.chatbot-footer {
  padding: 12px 16px;
  background: #fff;
  border-top: 1px solid rgba(0,0,0,0.06);
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}
.chatbot-input {
  flex: 1;
  padding: 10px 16px;
  border: 1.5px solid var(--color-border);
  border-radius: 50px;
  font-size: 0.86rem;
  font-family: var(--font-jp);
  outline: none;
  color: var(--color-text);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.chatbot-input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(14,165,233,0.1);
}
.chatbot-send {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--color-primary), #0284c7);
  color: #fff;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  flex-shrink: 0;
  transition: transform var(--transition-bounce), box-shadow var(--transition);
}
.chatbot-send:hover {
  transform: scale(1.1);
  box-shadow: 0 2px 10px rgba(14,165,233,0.3);
}

/* ============================================
   悩みリスト
   ============================================ */
.worry-list { display: flex; flex-direction: column; gap: 0; }
.worry-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  font-size: 0.9rem;
  color: var(--color-text);
  border-radius: var(--radius);
  transition: background var(--transition), transform var(--transition);
  cursor: default;
}
.worry-item:hover {
  background: var(--color-heat-l);
  transform: translateX(4px);
}
.worry-item--blue:hover {
  background: var(--color-primary-l);
}
.worry-item__icon {
  font-size: 1.2rem;
  flex-shrink: 0;
  line-height: 1;
}

/* ============================================
   レスポンシブ
   ============================================ */
@media (max-width: 900px) {
  .site-nav { display: none; }
  .hamburger { display: flex; }
  .grid-3 { grid-template-columns: repeat(2,1fr); }
  .grid-4 { grid-template-columns: repeat(2,1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid > *:first-child { grid-column: 1 / -1; }
}

@media (max-width: 640px) {
  .section { padding: 64px 0; }
  .grid-2 { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr; }
  .fixed-contact-bar { display: flex; }
  body { padding-bottom: 72px; }
  .cta-banner { padding: 56px 0; }
  .section-head { margin-bottom: 40px; }
  .container { padding: 0 18px; }
}

@media (max-width: 400px) {
  .grid-4 { grid-template-columns: 1fr; }
}

/* モバイルはチャットボットを下に */
@media (max-width: 640px) {
  .chatbot-btn    { bottom: 84px; right: 14px; width: 54px; height: 54px; }
  .chatbot-window {
    bottom: 0; right: 0; left: 0;
    width: 100%;
    max-height: 80vh;
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  }
}

/* ============================================
   アクセシビリティ：キーボードフォーカス
   ============================================ */
:focus-visible {
  outline: 3px solid var(--color-secondary);
  outline-offset: 3px;
  border-radius: 4px;
}
a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--color-secondary);
  outline-offset: 3px;
}

/* prefers-reduced-motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .fade-in, .slide-in-left, .slide-in-right, .scale-in {
    opacity: 1;
    transform: none;
  }
}