/* =================================
   CSS変数定義
================================= */
:root {
  --edo-ai: #4a90e2;
  --kon-iro: #2e86c1;
  --hanada: #5dade2;
  --asagi: #2e86c1;
  --mizu-iro: #aed6f1;
  --sora-iro: #85c1e9;
  --text-primary: #333;
  --text-secondary: #666;
  --text-inverse: #fff;
  --text-muted: #999;
  --bg-primary: #fff;
  --bg-secondary: #f8f9fa;
  --bg-tertiary: #f5f7fa;
  --surface: #fff;
  --border-light: #e9ecef;
  --border-medium: #dee2e6;
  --border-radius: 8px;
  --snow-white: #fff;
  --shadow-medium: 0 4px 16px rgba(0, 0, 0, 0.08);
  --shadow-blue: 0 8px 32px rgba(74, 144, 226, 0.3);
  --shadow-blue-light: 0 4px 16px rgba(74, 144, 226, 0.15);
  --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  --font-display: "Noto Sans JP", sans-serif;
  --font-main: "Noto Sans JP", sans-serif;
  --font-accent: "Noto Sans JP", sans-serif;
  --header-height: 80px;

  /* 背景画像 */
  --bg-image-1: url("../media/background/背景した全部イラスト.png");
  --bg-image-2: url("../media/background/東京都地図背景透過.png");
  --bg-image-3: url("../media/background/浅草最高だぜ.png");
  --bg-image-opacity: 0.05;
  --bg-overlay-color: rgba(255, 255, 255, 0.85);
}

/* フォント読み込み */
@import url("https://fonts.googleapis.com/css2?family=Noto+Serif+JP:wght@400;500;600;700;900&family=Noto+Sans+JP:wght@300;400;500;600;700;800&family=Zen+Kaku+Gothic+New:wght@400;500;700;900&display=swap");

/* =================================
   リセット・ベース
================================= */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  font-family: var(--font-main);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.8;
  font-size: 16px;
  font-weight: 400;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  position: relative;
  overflow-x: hidden;
  padding-top: var(--header-height);
}

/* 背景レイヤー */
body::before,
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -10;
}
body::before {
  background-image: var(--bg-image-1);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-attachment: fixed;
  opacity: var(--bg-image-opacity);
  z-index: -4;
  filter: grayscale(100%) sepia(10%) brightness(1.1);
}
body::after {
  background: var(--bg-overlay-color);
  z-index: -3;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}
ul {
  list-style: none;
}
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
}
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.02em;
}

/* =================================
   ヘッダー・ナビゲーション
================================= */
header {
  background: rgba(255, 255, 255, 1);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-light);
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 1000;
  transition: transform 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
  height: 80px;
}
header.header-hidden {
  transform: translateY(-100%);
}
.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

/* ロゴ */
.logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  text-decoration: none;
}
.logo-image {
  height: 30px;
  width: auto;
  margin-right: 15px;
}
.logo-text {
  text-align: left;
}
.logo-title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--edo-ai);
  margin-bottom: 2px;
  letter-spacing: 0.1em;
}
.logo-subtitle {
  font-family: var(--font-accent);
  font-size: 9px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.15em;
}

/* ナビゲーション */
.nav-wrapper {
  display: flex;
  align-items: center;
  gap: 40px;
}
.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-item {
  position: relative;
}
.nav-link {
  color: var(--text-primary);
  padding: 8px 0;
  display: block;
  font-family: var(--font-accent);
  font-weight: 500;
  font-size: 14px;
  letter-spacing: 0.05em;
  position: relative;
  transition: color 0.3s ease;
}

/* ホバーエフェクト */
.nav-link::before,
.nav-link::after {
  content: "";
  position: absolute;
  bottom: -2px;
  width: 0;
  height: 2px;
  transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.nav-link::before {
  left: 0;
  background: linear-gradient(90deg, var(--edo-ai), var(--aozora));
}
.nav-link::after {
  right: 0;
  background: linear-gradient(90deg, var(--aozora), var(--edo-ai));
  transition-delay: 0.1s;
}
.nav-item:hover .nav-link::before,
.nav-item:hover .nav-link::after {
  width: 50%;
}
.nav-item:hover .nav-link {
  color: var(--edo-ai);
}

/* ドロップダウン */
.dropdown {
  position: absolute;
  top: calc(100% + 20px);
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  background: var(--surface);
  border: 1px solid var(--border-light);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  min-width: 280px;
  border-radius: var(--border-radius);
  padding: 8px 0;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.nav-item:hover .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}
.dropdown-item {
  padding: 12px 24px;
  transition: all 0.2s ease;
  position: relative;
  overflow: hidden;
}
.dropdown-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--edo-ai), var(--aozora));
  transform: translateX(-3px);
  transition: transform 0.3s ease;
}
.dropdown-item:hover::before {
  transform: translateX(0);
}
.dropdown-item:hover {
  background: var(--bg-secondary);
  padding-left: 32px;
}
.dropdown-item a {
  display: block;
  font-family: var(--font-accent);
  font-weight: 400;
  font-size: 13px;
  color: var(--text-secondary);
  letter-spacing: 0.03em;
}
.dropdown-item:hover a {
  color: var(--text-primary);
}

/* CTAボタン */
.cta-button {
  background: var(--edo-ai);
  color: var(--text-inverse);
  padding: 12px 28px;
  border-radius: var(--border-radius);
  font-family: var(--font-accent);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.1em;
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
  border: 2px solid var(--edo-ai);
}
.cta-button::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: var(--aozora);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.4s ease, height 0.4s ease;
}
.cta-button:hover::before {
  width: 300%;
  height: 300%;
}
.cta-button:hover {
  color: var(--text-inverse);
  border-color: var(--aozora);
  transform: translateY(-2px);
  box-shadow: var(--shadow-blue);
}
.cta-main {
  position: relative;
  z-index: 1;
}

/* ハンバーガーメニュー */
.hamburger {
  display: none;
  cursor: pointer;
  padding: 8px;
  background: transparent;
  border: none;
  position: relative;
  width: 40px;
  height: 40px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  margin: 5px auto;
  background: var(--text-primary);
  transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  position: relative;
}
.hamburger.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.hamburger.active span:nth-child(2) {
  opacity: 0;
  transform: scale(0);
}
.hamburger.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* 固定ハンバーガーメニュー */
.hamburger-fixed {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 1001;
  display: none;
  cursor: pointer;
  padding: 12px;
  background: var(--surface);
  border: 1px solid var(--border-light);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-medium);
  transition: all 0.3s ease;
  opacity: 0;
  transform: translateY(-10px);
  width: 48px;
  height: 48px;
  align-items: center;
  justify-content: center;
}
.hamburger-fixed.show {
  display: flex;
  opacity: 1;
  transform: translateY(0);
}
.hamburger-fixed span {
  display: block;
  width: 24px;
  height: 2px;
  margin: 4px 0;
  background: var(--text-primary);
  transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}
.hamburger-fixed span:nth-child(1) {
  top: 14px;
}
.hamburger-fixed span:nth-child(2) {
  top: 50%;
  transform: translate(-50%, -50%);
}
.hamburger-fixed span:nth-child(3) {
  bottom: 14px;
}
.hamburger-fixed.active span:nth-child(1) {
  top: 50%;
  transform: translate(-50%, -50%) rotate(45deg);
}
.hamburger-fixed.active span:nth-child(2) {
  opacity: 0;
}
.hamburger-fixed.active span:nth-child(3) {
  bottom: 50%;
  transform: translate(-50%, 50%) rotate(-45deg);
}

/* モバイルメニュー */
.mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 100%;
  max-width: 400px;
  height: 100vh;
  background: var(--surface);
  box-shadow: -4px 0 20px rgba(0, 0, 0, 0.1);
  transition: right 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
  z-index: 999;
  overflow-y: auto;
  padding: 80px 32px 32px;
}
.mobile-menu.active {
  right: 0;
}
.mobile-nav-item {
  margin-bottom: 8px;
}
.mobile-nav-link {
  font-family: var(--font-accent);
  font-size: 16px;
  font-weight: 500;
  color: var(--text-primary);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 0;
  border-bottom: 1px solid var(--border-light);
  transition: all 0.3s ease;
  cursor: pointer;
}
.mobile-nav-link:hover {
  color: var(--edo-ai);
  padding-left: 12px;
}

/* CTA専用モバイルリンク */
.mobile-nav-link.cta-style {
  background: transparent;
  color: var(--text-inverse); /* 修正: 通常時の文字色を見える色に変更 */
  border-bottom: 2px solid var(--edo-ai);
  padding: 16px 0 16px 14px;
  margin: 16px 0 8px 0;
  justify-content: space-between;
  font-weight: 600;
  letter-spacing: 0.02em;
  position: relative;
  overflow: hidden;
}
.mobile-nav-link.cta-style::before {
  content: "";
  position: absolute;
  inset: 0 0 0 -100%;
  background: var(--edo-ai);
  transition: left 0.3s ease;
  z-index: -1;
}
.mobile-nav-link.cta-style:hover {
  color: var(--text-inverse);
  padding-left: 16px;
  transform: none;
  box-shadow: none;
}
.mobile-nav-link.cta-style:hover::before {
  left: 0;
}
.mobile-nav-link.cta-style::after {
  content: "→";
  font-size: 18px;
  transition: transform 0.3s ease;
  margin-left: 8px;
  margin-right: 8px;
}
.mobile-nav-link.cta-style:hover::after {
  transform: translateX(4px);
}

.mobile-nav-link.has-dropdown::after {
  content: "+";
  font-size: 20px;
  font-weight: 300;
  transition: transform 0.3s ease;
}
.mobile-nav-link.has-dropdown.active::after {
  transform: rotate(45deg);
}

/* モバイルドロップダウン */
.mobile-dropdown {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out;
  margin-bottom: 8px;
}
.mobile-dropdown.active {
  max-height: 500px;
  transition: max-height 0.4s ease-in;
}
.mobile-dropdown-item {
  padding: 12px 0 12px 24px;
  border-left: 2px solid var(--border-light);
  margin-left: 12px;
}
.mobile-dropdown-item a {
  font-family: var(--font-accent);
  font-size: 14px;
  color: var(--text-secondary);
  display: block;
  transition: all 0.3s ease;
}
.mobile-dropdown-item:hover a {
  color: var(--edo-ai);
  padding-left: 8px;
}

/* =================================
   ボタン統一スタイル
================================= */
.content-button,
.view-all-btn,
.join-button,
.contact-button {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 16px 32px;
  font-family: var(--font-accent);
  font-weight: 600;
  font-size: 14px;
  text-decoration: none;
  background: var(--snow-white);
  color: var(--edo-ai);
  border: 2px solid var(--edo-ai);
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: var(--transition);
  overflow: hidden;
  position: relative;
  letter-spacing: 0.05em;
  z-index: 1;
  box-shadow: var(--shadow-blue-light);
}
.content-button::before,
.view-all-btn::before,
.join-button::before,
.contact-button::before {
  content: "";
  position: absolute;
  inset: 0 100% 0 0;
  background: linear-gradient(135deg, var(--edo-ai), var(--aozora));
  transition: right 0.4s ease;
  z-index: -1;
}
.content-button:hover::before,
.view-all-btn:hover::before,
.join-button:hover::before,
.contact-button:hover::before {
  right: 0;
}
.content-button:hover,
.view-all-btn:hover,
.join-button:hover,
.contact-button:hover {
  color: var(--text-inverse);
  border-color: var(--aozora);
  box-shadow: var(--shadow-blue);
}

/* ゴールドボタン */
.button-gold {
  border-color: var(--gold-accent);
  color: var(--text-primary);
  background: var(--gold-accent);
  box-shadow: 0 4px 16px rgba(212, 175, 55, 0.2);
}
.button-gold::before {
  background: var(--text-primary);
}
.button-gold:hover {
  color: var(--gold-accent);
  background: transparent;
  border-color: var(--gold-accent);
}

/* =================================
   フッター
================================= */
footer {
  background: var(--edo-ai);
  color: var(--text-inverse);
  padding: 80px 0 40px;
  position: relative;
  z-index: 5;
}
footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 10%;
  right: 10%;
  height: 1px;
  background: var(--sora-iro);
  opacity: 0.3;
}
.footer-top {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: 60px;
  margin-bottom: 60px;
  position: relative;
  z-index: 1;
}
.footer-info h3 {
  font-family: var(--font-display);
  color: var(--text-inverse);
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 24px;
  letter-spacing: 0.05em;
}
.footer-info p {
  margin-bottom: 20px;
  line-height: 1.8;
  color: var(--mizu-iro);
  font-weight: 400;
}

.footer-contact {
  margin-top: 24px;
}
.contact-item {
  display: flex;
  align-items: center;
  margin-bottom: 16px;
  transition: var(--transition);
  color: var(--mizu-iro);
}
.contact-item:hover {
  color: var(--text-inverse);
  transform: translateX(8px);
}
.contact-icon {
  width: 20px;
  text-align: center;
  margin-right: 12px;
  font-size: 14px;
}

.footer-links h4 {
  font-family: var(--font-accent);
  color: var(--text-inverse);
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 24px;
  letter-spacing: 0.03em;
  position: relative;
  padding-bottom: 8px;
}
.footer-links h4::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 24px;
  height: 1px;
  background: var(--sora-iro);
}
.footer-links ul li {
  margin-bottom: 12px;
}
.footer-links ul li a {
  color: var(--mizu-iro);
  transition: var(--transition);
  display: flex;
  align-items: center;
  font-weight: 400;
  font-size: 13px;
}
.footer-links ul li a:hover {
  color: var(--text-inverse);
  padding-left: 8px;
}
.link-icon {
  font-size: 12px;
  margin-right: 8px;
  transition: var(--transition);
}
.footer-links ul li a:hover .link-icon {
  transform: translateX(4px);
}

.footer-bottom {
  text-align: center;
  padding-top: 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 12px;
  color: var(--sora-iro);
  position: relative;
  z-index: 1;
}

/* =================================
   色調整・ユーティリティ
================================= */
.desc-lead {
  font-family: var(--font-accent);
  font-weight: 600;
  color: var(--text-primary);
}
.section-badge {
  color: var(--edo-ai);
  border-color: var(--edo-ai);
}
.counter {
  color: var(--edo-ai);
  font-weight: 700;
}
.highlight-box {
  border-color: var(--edo-ai);
}
.highlight-label {
  color: var(--text-muted);
}
.highlight-value {
  color: var(--edo-ai);
}
.schedule-icon {
  background-color: var(--edo-ai);
  color: var(--text-inverse);
}
.news-category {
  background-color: var(--edo-ai);
  color: var(--text-inverse);
}
.area-header {
  border-left-color: var(--edo-ai);
}
.area-name {
  color: var(--edo-ai);
}

.branch-button {
  border-color: var(--border-light);
  background: var(--snow-white);
  color: var(--text-primary);
  box-shadow: var(--shadow-blue-light);
}
.branch-button:hover {
  border-color: var(--edo-ai);
  color: var(--edo-ai);
  background-color: rgba(74, 123, 167, 0.05);
  box-shadow: var(--shadow-blue);
}

.card {
  background: var(--snow-white);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-blue-light);
}
.card:hover {
  box-shadow: var(--shadow-blue);
  border-color: var(--asagi);
}

a.text-link {
  color: var(--edo-ai);
}
a.text-link:hover {
  color: var(--aozora);
}

.active,
.current {
  color: var(--edo-ai) !important;
  border-color: var(--edo-ai) !important;
}

input:focus,
textarea:focus,
select:focus {
  border-color: var(--edo-ai);
  box-shadow: 0 0 0 3px rgba(74, 123, 167, 0.1);
}

/* =================================
   ページヘッダー・パンくずリスト
================================= */

/* ページヘッダー */
.page-header {
  background: var(--bg-primary);
  margin-top: 80px;
  padding: 40px 0 80px;
  position: relative;
  border-bottom: 1px solid var(--border-light);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

/* 背景画像付きヘッダーの場合のオーバーレイ */
.page-header[data-bg-image]::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(250, 250, 248, 0.85);
  z-index: 1;
}

.page-header[data-bg-image] .container {
  position: relative;
  z-index: 2;
}

/* 背景画像用のバリエーション */
.page-header.bg-tokyo-map {
  background-image: var(--bg-image-2);
}

.page-header.bg-asakusa {
  background-image: var(--bg-image-3);
}

.page-header.bg-illustration {
  background-image: var(--bg-image-1);
}

/* カスタム背景画像 */
.page-header.custom-bg {
  background-attachment: fixed;
}

.page-header.custom-bg::before {
  background: rgba(250, 250, 248, 0.9);
}

/* ページタイトル */
.page-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 1rem;
  letter-spacing: 0.03em;
  text-align: center;
  line-height: 1.3;
  position: relative;
}

.page-title::after {
  content: "";
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 40px;
  height: 2px;
  background: var(--edo-ai);
  border-radius: 1px;
}

/* パンくずリスト */
.breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  margin-top: 1.5rem;
  flex-wrap: wrap;
}

.breadcrumb-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.breadcrumb-item:not(:last-child)::after {
  content: ">";
  color: var(--text-muted);
  font-size: 0.8rem;
  margin-left: 0.25rem;
}

.breadcrumb a {
  color: var(--edo-ai);
  font-family: var(--font-accent);
  font-weight: 400;
  text-decoration: none;
  transition: color 0.2s ease;
}

.breadcrumb a:hover {
  color: var(--aozora);
  text-decoration: underline;
}

.breadcrumb span {
  color: var(--text-secondary);
  font-family: var(--font-accent);
  font-weight: 400;
}

/* =================================
   背景パターン
================================= */
.bg-pattern {
  position: relative;
}
.bg-pattern::before {
  content: "";
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  z-index: -1;
  pointer-events: none;
  opacity: var(--bg-image-opacity);
}

.bg-pattern-1::before {
  background-image: var(--bg-image-1);
}

.bg-pattern-2::before {
  background-image: var(--bg-image-2);
}

.bg-pattern-3::before {
  background-image: var(--bg-image-3);
}

/* =================================
   レスポンシブ
================================= */
@media (max-width: 968px) {
  .nav-menu {
    display: none;
  }
  .hamburger {
    display: block;
  }
  .nav-wrapper {
    gap: 20px;
  }
  .desktop-only {
    display: none;
  }
  .footer-top {
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
  }
}

@media (max-width: 768px) {
  body {
    padding-top: var(--header-height-collapsed);
  }
  .container {
    padding: 0 20px;
  }
  .logo-title {
    font-size: 20px;
  }
  .footer-top {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  body::before {
    background-attachment: scroll;
  }

  /* ページヘッダーレスポンシブ */
  .page-header {
    padding: 100px 0 50px;
    background-attachment: scroll;
  }

  .page-header[data-bg-image]::before {
    background: rgba(250, 250, 248, 0.9);
  }

  .page-title {
    font-size: clamp(1.6rem, 3vw, 2rem);
    margin-bottom: 0.8rem;
  }

  .page-title::after {
    width: 30px;
  }

  .breadcrumb {
    font-size: 0.85rem;
    margin-top: 1rem;
  }
}

@media (max-width: 640px) {
  .logo-title {
    font-size: 18px;
  }
  .logo-subtitle {
    font-size: 8px;
  }
  .cta-button {
    padding: 10px 20px;
    font-size: 12px;
  }

  /* ページヘッダー小画面対応 */
  .page-header {
    padding: 90px 0 40px;
  }

  .page-title {
    font-size: clamp(1.4rem, 3vw, 1.8rem);
  }

  .breadcrumb {
    font-size: 0.8rem;
  }
}

@media (max-width: 480px) {
  .logo-title {
    font-size: 18px;
  }
  .cta-button {
    font-size: 11px;
    padding: 10px 16px;
  }

  /* ページヘッダー極小画面対応 */
  .page-header {
    padding: 80px 0 40px;
  }

  .page-title {
    font-size: clamp(1.2rem, 2.5vw, 1.6rem);
    margin-bottom: 0.8rem;
  }

  .page-title::after {
    width: 25px;
  }

  .breadcrumb {
    font-size: 0.75rem;
    gap: 0.3rem;
  }
}

/* その他ユーティリティ */
body.menu-open {
  overflow: hidden;
}
.header-scroll-hidden {
  transform: translateY(-100%);
}

/* =================================
   統一アニメーションシステム
================================= */
/* スタッガーアニメーション基本設定 */
.stagger-animation {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.stagger-animation.animated {
  opacity: 1;
  transform: translateY(0);
}

/* キーフレームアニメーション */
@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* スケジュールアイテム用スタッガーアニメーション */
.schedule-item.stagger-animation {
  animation: slideInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

/* アニメーション遅延（8つまで対応） */
.schedule-item:nth-child(1) {
  animation-delay: 0.1s;
}
.schedule-item:nth-child(2) {
  animation-delay: 0.2s;
}
.schedule-item:nth-child(3) {
  animation-delay: 0.3s;
}
.schedule-item:nth-child(4) {
  animation-delay: 0.4s;
}
.schedule-item:nth-child(5) {
  animation-delay: 0.5s;
}
.schedule-item:nth-child(6) {
  animation-delay: 0.6s;
}
.schedule-item:nth-child(7) {
  animation-delay: 0.7s;
}
.schedule-item:nth-child(8) {
  animation-delay: 0.8s;
}

/* アクセシビリティ配慮：アニメーション削減設定 */
@media (prefers-reduced-motion: reduce) {
  .stagger-animation,
  .schedule-item.stagger-animation {
    animation: none !important;
    transition: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
}