/* ========================================
   目黒消防団第８分団 入団促進サイト
   スタイルシート
   ======================================== */

/* ----------------------------------------
   CSS Variables (カスタムプロパティ)
   ---------------------------------------- */
:root {
  /* メインカラー（消防団を象徴） */
  --color-primary: #E53935;
  --color-primary-dark: #C62828;
  --color-primary-light: #FF6F60;

  /* アクセントカラー（オレンジ系） */
  --color-accent: #FF6D00;
  --color-accent-light: #FF9E40;

  /* 紺色（作業服カラー） */
  --color-navy: #1a2744;
  --color-navy-light: #2d3e5f;
  --color-navy-dark: #0f1a2e;

  /* サブカラー */
  --color-secondary: #1565C0;
  --color-secondary-light: #42A5F5;

  /* ニュートラルカラー */
  --color-text: #333333;
  --color-text-light: #666666;
  --color-bg: #FFFFFF;
  --color-bg-light: #F5F5F5;
  --color-bg-dark: #EEEEEE;

  /* グラデーション */
  --gradient-primary: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  --gradient-hero: linear-gradient(135deg, rgba(229, 57, 53, 0.9) 0%, rgba(255, 109, 0, 0.88) 50%, rgba(26, 39, 68, 0.9) 100%);
  --gradient-navy: linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-light) 100%);
  --gradient-navy-red: linear-gradient(135deg, var(--color-navy) 0%, var(--color-primary-dark) 100%);

  /* シャドウ */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.2);

  /* フォント */
  --font-main: 'Noto Serif JP', 'Hiragino Mincho ProN', 'Yu Mincho', 'MS PMincho', serif;

  /* スペーシング */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 3rem;
  --spacing-xl: 4rem;

  /* ボーダー */
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 16px;
  --border-radius-full: 9999px;

  /* トランジション */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
}

/* ----------------------------------------
   リセット & ベーススタイル
   ---------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

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

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

a:hover {
  color: var(--color-primary-dark);
}

ul, ol {
  list-style: none;
}

/* ----------------------------------------
   タイポグラフィ
   ---------------------------------------- */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.4;
  color: var(--color-text);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p {
  margin-bottom: 1rem;
}

/* ----------------------------------------
   レイアウト
   ---------------------------------------- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
}

.section {
  padding: var(--spacing-xl) 0;
}

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

.section--navy {
  background: var(--gradient-navy);
  color: white;
}

.section--navy .section__title {
  color: white;
}

.section--navy .section__title::after {
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-primary-light) 100%);
}

.section--navy .section__subtitle {
  color: rgba(255, 255, 255, 0.8);
}

.section--navy-light {
  background-color: #f0f4f8;
  border-top: 4px solid var(--color-navy);
}

.section__title {
  text-align: center;
  margin-bottom: var(--spacing-lg);
  position: relative;
}

.section__title::after {
  content: '';
  display: block;
  width: 60px;
  height: 4px;
  background: var(--gradient-primary);
  margin: var(--spacing-sm) auto 0;
  border-radius: var(--border-radius-full);
}

.section__subtitle {
  text-align: center;
  color: var(--color-text-light);
  margin-top: -0.5rem;
  margin-bottom: var(--spacing-md);
}

/* ----------------------------------------
   ヘッダー
   ---------------------------------------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
  transition: background-color var(--transition-normal);
}

.header__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-sm) var(--spacing-sm);
  max-width: 1200px;
  margin: 0 auto;
}

.header__logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
}

.header__logo span {
  color: var(--color-text);
}

/* ナビゲーション */
.nav {
  display: none;
}

.nav__list {
  display: flex;
  gap: var(--spacing-md);
}

.nav__link {
  color: var(--color-text);
  font-weight: 500;
  padding: var(--spacing-xs) 0;
  position: relative;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width var(--transition-fast);
}

.nav__link:hover::after {
  width: 100%;
}

/* モバイルメニューボタン */
.menu-btn {
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-xs);
}

.menu-btn__line {
  width: 24px;
  height: 2px;
  background-color: var(--color-text);
  transition: var(--transition-fast);
}

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

.hero__bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient-hero);
  z-index: 1;
}

.hero__bg-image {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-size: cover;
  background-position: center;
  opacity: 0.3;
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  padding: var(--spacing-md);
}

.hero__badge {
  display: inline-block;
  background: rgba(255, 255, 255, 0.2);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius-full);
  font-size: 0.875rem;
  margin-bottom: var(--spacing-md);
  backdrop-filter: blur(4px);
}

.hero__title {
  font-size: clamp(1.5rem, 6vw, 4rem);
  margin-bottom: var(--spacing-sm);
  color: white;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
  white-space: nowrap;
}

.hero__catch {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  letter-spacing: 0.1em;
}

.hero__subcatch {
  font-size: 1rem;
  opacity: 0.9;
  margin-bottom: var(--spacing-lg);
  line-height: 2;
}

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

/* ----------------------------------------
   ボタン
   ---------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: var(--border-radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
}

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

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: var(--color-primary-dark);
}

.btn--secondary {
  background: transparent;
  color: white;
  border: 2px solid white;
}

.btn--secondary:hover {
  background: white;
  color: var(--color-primary);
}

.btn--accent {
  background: var(--gradient-primary);
  color: white;
  box-shadow: var(--shadow-md);
}

.btn--accent:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn--large {
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: 1.125rem;
}

.btn--navy {
  background: var(--gradient-navy);
  color: white;
  box-shadow: var(--shadow-md);
}

.btn--navy:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: white;
}

.btn--outline-navy {
  background: transparent;
  color: var(--color-navy);
  border: 2px solid var(--color-navy);
}

.btn--outline-navy:hover {
  background: var(--color-navy);
  color: white;
}

/* ----------------------------------------
   強みセクション
   ---------------------------------------- */
.strengths {
  background: var(--color-bg-light);
}

.strengths__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-md);
}

.strength-card {
  background: white;
  padding: var(--spacing-md);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
  text-align: center;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.strength-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.strength-card__icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--spacing-sm);
  background: var(--gradient-primary);
  border-radius: var(--border-radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: white;
}

.strength-card__title {
  margin-bottom: var(--spacing-xs);
  color: var(--color-primary);
}

.strength-card__stat {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: var(--spacing-xs);
}

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

/* 紺色アクセント付きカード */
.strength-card--navy-accent {
  border-top: 4px solid var(--color-navy);
}

.strength-card--navy-accent .strength-card__icon {
  background: var(--gradient-navy);
}

.strength-card--navy-accent .strength-card__title {
  color: var(--color-navy);
}

/* ----------------------------------------
   活動紹介セクション
   ---------------------------------------- */
.activity__content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-md);
  align-items: center;
}

.activity__image {
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.activity__image img {
  width: 100%;
  height: 300px;
  object-fit: cover;
}

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

.activity__list {
  margin: var(--spacing-sm) 0;
}

.activity__list li {
  padding: var(--spacing-xs) 0;
  padding-left: 1.5rem;
  position: relative;
}

.activity__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 8px;
  height: 8px;
  background: var(--color-accent);
  border-radius: 50%;
}

/* ----------------------------------------
   統計セクション
   ---------------------------------------- */
.stats {
  background: var(--gradient-primary);
  color: white;
  text-align: center;
}

.stats .section__title {
  color: white;
}

.stats .section__title::after {
  background: white;
}

.stats__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
}

.stat-item {
  padding: var(--spacing-md);
}

.stat-item__number {
  font-size: 3rem;
  font-weight: 700;
  line-height: 1;
  margin-bottom: var(--spacing-xs);
}

.stat-item__label {
  font-size: 0.9rem;
  opacity: 0.9;
}

/* ----------------------------------------
   訓練セクション
   ---------------------------------------- */
.training__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-md);
}

.training-card {
  background: white;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-fast);
}

.training-card:hover {
  box-shadow: var(--shadow-md);
}

.training-card__image {
  height: 180px;
  background: var(--color-bg-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-light);
}

.training-card__content {
  padding: var(--spacing-md);
}

.training-card__title {
  color: var(--color-primary);
  margin-bottom: var(--spacing-xs);
}

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

/* 紺色トレーニングカード */
.training-card--navy .training-card__image {
  background: var(--gradient-navy);
  color: rgba(255, 255, 255, 0.7);
}

.training-card--navy .training-card__title {
  color: var(--color-navy);
}

/* ----------------------------------------
   入団条件セクション
   ---------------------------------------- */
.requirements__content {
  background: white;
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-md);
  box-shadow: var(--shadow-sm);
}

.requirements__list {
  display: grid;
  gap: var(--spacing-sm);
}

.requirement-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm);
  background: var(--color-bg-light);
  border-radius: var(--border-radius-md);
}

.requirement-item__icon {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  background: var(--color-primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

.requirement-item__text {
  flex: 1;
}

.requirement-item__text strong {
  display: block;
  color: var(--color-primary);
}

/* ----------------------------------------
   FAQセクション
   ---------------------------------------- */
.faq__list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: white;
  border-radius: var(--border-radius-md);
  margin-bottom: var(--spacing-sm);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.faq-item__question {
  width: 100%;
  padding: var(--spacing-md);
  background: none;
  border: none;
  text-align: left;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  transition: background-color var(--transition-fast);
}

.faq-item__question:hover {
  background-color: var(--color-bg-light);
}

.faq-item__icon {
  width: 24px;
  height: 24px;
  position: relative;
  flex-shrink: 0;
}

.faq-item__icon::before,
.faq-item__icon::after {
  content: '';
  position: absolute;
  background: var(--color-primary);
  transition: transform var(--transition-fast);
}

.faq-item__icon::before {
  width: 2px;
  height: 12px;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}

.faq-item__icon::after {
  width: 12px;
  height: 2px;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}

.faq-item.is-open .faq-item__icon::before {
  transform: translate(-50%, -50%) rotate(90deg);
}

.faq-item__answer {
  display: none;
  padding: 0 var(--spacing-md) var(--spacing-md);
  color: var(--color-text-light);
}

.faq-item.is-open .faq-item__answer {
  display: block;
}

/* ----------------------------------------
   SNSセクション
   ---------------------------------------- */
.sns {
  background: var(--color-bg-light);
  text-align: center;
}

.sns__links {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.sns-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-md);
  background: white;
  border-radius: var(--border-radius-full);
  box-shadow: var(--shadow-sm);
  color: var(--color-text);
  font-weight: 600;
  transition: all var(--transition-fast);
}

.sns-link:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.sns-link--instagram {
  background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
  color: white;
}

.sns-link--youtube {
  background: #FF0000;
  color: white;
}

/* ----------------------------------------
   CTAセクション
   ---------------------------------------- */
.cta {
  background: var(--gradient-primary);
  color: white;
  text-align: center;
  padding: var(--spacing-xl) 0;
}

.cta__title {
  color: white;
  margin-bottom: var(--spacing-sm);
}

.cta__text {
  margin-bottom: var(--spacing-md);
  opacity: 0.9;
}

/* 紺色CTA */
.cta--navy {
  background: var(--gradient-navy);
}

.cta--navy .btn--primary {
  background: var(--color-accent);
  color: white;
}

.cta--navy .btn--primary:hover {
  background: var(--color-accent-light);
  color: white;
}

/* ----------------------------------------
   フッター
   ---------------------------------------- */
.footer {
  background: var(--gradient-navy);
  color: white;
  padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer__content {
  display: grid;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.footer__section h4 {
  color: white;
  margin-bottom: var(--spacing-sm);
  font-size: 1rem;
}

.footer__section p,
.footer__section a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
}

.footer__section a:hover {
  color: white;
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.footer__bottom {
  text-align: center;
  padding-top: var(--spacing-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer__copyright {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.5);
}

/* ----------------------------------------
   フォームページ
   ---------------------------------------- */
.form-page {
  padding-top: 80px;
  min-height: 100vh;
}

.form-container {
  max-width: 600px;
  margin: 0 auto;
  padding: var(--spacing-md);
}

.form {
  background: white;
  padding: var(--spacing-md);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
}

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

.form__label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 600;
}

.form__label--required::after {
  content: '*';
  color: var(--color-primary);
  margin-left: 4px;
}

.form__input,
.form__textarea,
.form__select {
  width: 100%;
  padding: var(--spacing-sm);
  border: 2px solid var(--color-bg-dark);
  border-radius: var(--border-radius-md);
  font-size: 1rem;
  font-family: inherit;
  transition: border-color var(--transition-fast);
}

.form__input:focus,
.form__textarea:focus,
.form__select:focus {
  outline: none;
  border-color: var(--color-primary);
}

/* 日付入力欄のスマホ対応（iOS Chrome/Safari） */
.form__input[type="date"] {
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  min-height: 48px;
  height: auto;
  line-height: 1.5;
  background-color: #fff;
  padding: var(--spacing-sm);
  font-size: 16px; /* iOS自動ズーム防止 */
}

/* iOS Safari/Chrome専用 */
@supports (-webkit-touch-callout: none) {
  .form__input[type="date"] {
    min-height: 52px;
    padding-top: 14px;
    padding-bottom: 14px;
  }
}

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

.form__privacy {
  font-size: 0.85rem;
  color: var(--color-text-light);
  background: var(--color-bg-light);
  padding: var(--spacing-sm);
  border-radius: var(--border-radius-md);
  margin-bottom: var(--spacing-md);
}

.form__submit {
  width: 100%;
}

/* ----------------------------------------
   詳細ページ共通
   ---------------------------------------- */
.page-header {
  background: var(--gradient-navy-red);
  color: white;
  padding: calc(80px + var(--spacing-lg)) 0 var(--spacing-lg);
  text-align: center;
}

.page-header__title {
  color: white;
  margin-bottom: var(--spacing-xs);
}

.page-header__subtitle {
  opacity: 0.9;
}

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

.page-content h2 {
  color: var(--color-primary);
  margin: var(--spacing-lg) 0 var(--spacing-md);
  padding-bottom: var(--spacing-xs);
  border-bottom: 2px solid var(--color-bg-dark);
}

.page-content h3 {
  color: var(--color-text);
  margin: var(--spacing-md) 0 var(--spacing-sm);
}

.page-content ul,
.page-content ol {
  margin: var(--spacing-sm) 0;
  padding-left: var(--spacing-md);
}

.page-content li {
  margin-bottom: var(--spacing-xs);
  list-style: disc;
}

.page-content ol li {
  list-style: decimal;
}

/* アコーディオン（FAQ詳細用） */
.accordion {
  margin: var(--spacing-md) 0;
}

.accordion-item {
  background: white;
  border: 1px solid var(--color-bg-dark);
  border-radius: var(--border-radius-md);
  margin-bottom: var(--spacing-sm);
  overflow: hidden;
}

.accordion-header {
  width: 100%;
  padding: var(--spacing-md);
  background: var(--color-bg-light);
  border: none;
  text-align: left;
  cursor: pointer;
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.accordion-content {
  display: none;
  padding: var(--spacing-md);
  border-top: 1px solid var(--color-bg-dark);
}

.accordion-item.is-open .accordion-content {
  display: block;
}

/* ----------------------------------------
   モバイルメニュー
   ---------------------------------------- */
.mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.mobile-menu.is-open {
  opacity: 1;
  visibility: visible;
}

.mobile-menu__content {
  position: absolute;
  top: 0;
  right: 0;
  width: 280px;
  height: 100%;
  background: white;
  padding: var(--spacing-lg) var(--spacing-md);
  transform: translateX(100%);
  transition: transform var(--transition-normal);
}

.mobile-menu.is-open .mobile-menu__content {
  transform: translateX(0);
}

.mobile-menu__close {
  position: absolute;
  top: var(--spacing-sm);
  right: var(--spacing-sm);
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--color-text);
}

.mobile-menu__list {
  margin-top: var(--spacing-lg);
}

.mobile-menu__link {
  display: block;
  padding: var(--spacing-sm) 0;
  color: var(--color-text);
  font-weight: 500;
  border-bottom: 1px solid var(--color-bg-dark);
}

/* ----------------------------------------
   ユーティリティ
   ---------------------------------------- */
.text-center { text-align: center; }
.text-primary { color: var(--color-primary); }
.text-accent { color: var(--color-accent); }
.text-navy { color: var(--color-navy); }
.bg-navy { background-color: var(--color-navy); color: white; }
.bg-navy-light { background-color: var(--color-navy-light); color: white; }
.border-navy { border-color: var(--color-navy); }
.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }

/* ----------------------------------------
   レスポンシブ（タブレット: 768px〜）
   ---------------------------------------- */
@media (min-width: 768px) {
  h1 { font-size: 3rem; }
  h2 { font-size: 2.5rem; }

  /* hero__titleはclamp()で自動調整されるためここでは上書きしない */

  .hero__catch {
    font-size: 2rem;
  }

  .hero__cta {
    flex-direction: row;
    justify-content: center;
  }

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

  .activity__content {
    grid-template-columns: 1fr 1fr;
  }

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

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

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

/* ----------------------------------------
   レスポンシブ（PC: 1024px〜）
   ---------------------------------------- */
@media (min-width: 1024px) {
  .nav {
    display: block;
  }

  .menu-btn {
    display: none;
  }

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

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

  /* hero__titleはclamp()で自動調整されるためここでは上書きしない */

  .hero__catch {
    font-size: 2.5rem;
  }

  .stat-item__number {
    font-size: 4rem;
  }
}

/* ----------------------------------------
   アニメーション
   ---------------------------------------- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fadeInUp {
  animation: fadeInUp 0.6s ease forwards;
}

/* スクロール時のアニメーション用 */
.scroll-animate {
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.6s ease;
}

.scroll-animate.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ----------------------------------------
   ヒーローセクション アニメーション
   ---------------------------------------- */

/* 背景画像のスローズーム */
@keyframes heroZoom {
  0% {
    transform: scale(1);
  }
  100% {
    transform: scale(1.15);
  }
}

.hero__bg-image {
  animation: heroZoom 20s ease-out forwards;
}

/* グラデーション動的アニメーション */
@keyframes gradientShift {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

.hero__bg {
  background: linear-gradient(-45deg,
    rgba(229, 57, 53, 0.92),
    rgba(255, 109, 0, 0.88),
    rgba(198, 40, 40, 0.9),
    rgba(26, 39, 68, 0.9));
  background-size: 400% 400%;
  animation: gradientShift 15s ease infinite;
}

/* バッジのアニメーション */
@keyframes badgeSlideIn {
  0% {
    opacity: 0;
    transform: translateY(-30px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero__badge {
  animation: badgeSlideIn 0.8s ease 0.3s forwards;
  opacity: 0;
}

/* タイトルのアニメーション */
@keyframes titleReveal {
  0% {
    opacity: 0;
    transform: translateY(40px);
    letter-spacing: 0.3em;
  }
  100% {
    opacity: 1;
    transform: translateY(0);
    letter-spacing: 0.05em;
  }
}

.hero__title {
  animation: titleReveal 1s ease 0.6s forwards;
  opacity: 0;
}

/* サブキャッチのアニメーション */
@keyframes subcatchFadeIn {
  0% {
    opacity: 0;
    transform: translateX(-20px);
  }
  100% {
    opacity: 0.9;
    transform: translateX(0);
  }
}

.hero__subcatch p {
  opacity: 0;
  animation: subcatchFadeIn 0.6s ease forwards;
}

.hero__subcatch p:nth-child(1) {
  animation-delay: 1.0s;
}

.hero__subcatch p:nth-child(2) {
  animation-delay: 1.3s;
}

.hero__subcatch p:nth-child(3) {
  animation-delay: 1.6s;
}

/* CTAボタンのアニメーション */
@keyframes ctaSlideUp {
  0% {
    opacity: 0;
    transform: translateY(30px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero__cta {
  opacity: 0;
  animation: ctaSlideUp 0.8s ease 2.0s forwards;
}

/* 火の粉パーティクル */
@keyframes particleFloat {
  0% {
    transform: translateY(0) translateX(0) scale(1);
    opacity: 0;
  }
  10% {
    opacity: 1;
  }
  90% {
    opacity: 1;
  }
  100% {
    transform: translateY(-100vh) translateX(50px) scale(0.3);
    opacity: 0;
  }
}

.hero__particles {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
  overflow: hidden;
  pointer-events: none;
}

.hero__particle {
  position: absolute;
  bottom: -10px;
  width: 6px;
  height: 6px;
  background: radial-gradient(circle, rgba(255, 200, 100, 1) 0%, rgba(255, 109, 0, 0.8) 50%, transparent 70%);
  border-radius: 50%;
  animation: particleFloat linear infinite;
  box-shadow: 0 0 10px rgba(255, 150, 50, 0.8), 0 0 20px rgba(255, 109, 0, 0.5);
}

/* パーティクルの位置と遅延をバリエーション */
.hero__particle:nth-child(1) { left: 5%; animation-duration: 8s; animation-delay: 0s; width: 4px; height: 4px; }
.hero__particle:nth-child(2) { left: 15%; animation-duration: 10s; animation-delay: 1s; width: 5px; height: 5px; }
.hero__particle:nth-child(3) { left: 25%; animation-duration: 7s; animation-delay: 2s; width: 3px; height: 3px; }
.hero__particle:nth-child(4) { left: 35%; animation-duration: 9s; animation-delay: 0.5s; width: 6px; height: 6px; }
.hero__particle:nth-child(5) { left: 45%; animation-duration: 11s; animation-delay: 3s; width: 4px; height: 4px; }
.hero__particle:nth-child(6) { left: 55%; animation-duration: 8s; animation-delay: 1.5s; width: 5px; height: 5px; }
.hero__particle:nth-child(7) { left: 65%; animation-duration: 10s; animation-delay: 2.5s; width: 3px; height: 3px; }
.hero__particle:nth-child(8) { left: 75%; animation-duration: 7s; animation-delay: 0.8s; width: 4px; height: 4px; }
.hero__particle:nth-child(9) { left: 85%; animation-duration: 9s; animation-delay: 1.8s; width: 6px; height: 6px; }
.hero__particle:nth-child(10) { left: 95%; animation-duration: 12s; animation-delay: 3.5s; width: 5px; height: 5px; }
.hero__particle:nth-child(11) { left: 10%; animation-duration: 9s; animation-delay: 4s; width: 4px; height: 4px; }
.hero__particle:nth-child(12) { left: 30%; animation-duration: 8s; animation-delay: 5s; width: 5px; height: 5px; }
.hero__particle:nth-child(13) { left: 50%; animation-duration: 10s; animation-delay: 4.5s; width: 3px; height: 3px; }
.hero__particle:nth-child(14) { left: 70%; animation-duration: 7s; animation-delay: 6s; width: 4px; height: 4px; }
.hero__particle:nth-child(15) { left: 90%; animation-duration: 11s; animation-delay: 5.5s; width: 6px; height: 6px; }

/* スクロールインジケーター */
@keyframes scrollBounce {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(10px);
  }
}

.hero__scroll-indicator {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.75rem;
  animation: fadeInUp 1s ease 2.5s forwards;
  opacity: 0;
}

.hero__scroll-indicator span {
  letter-spacing: 0.1em;
}

.hero__scroll-icon {
  width: 24px;
  height: 40px;
  border: 2px solid rgba(255, 255, 255, 0.5);
  border-radius: 12px;
  position: relative;
}

.hero__scroll-icon::before {
  content: '';
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 8px;
  background: rgba(255, 255, 255, 0.7);
  border-radius: 2px;
  animation: scrollBounce 1.5s ease infinite;
}

/* 光のオーバーレイエフェクト */
@keyframes lightSweep {
  0% {
    transform: translateX(-100%) rotate(45deg);
  }
  100% {
    transform: translateX(200%) rotate(45deg);
  }
}

.hero__light-effect {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
  overflow: hidden;
  pointer-events: none;
}

.hero__light-effect::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 50%;
  height: 200%;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(255, 255, 255, 0.03) 50%,
    transparent 100%
  );
  animation: lightSweep 8s ease-in-out infinite;
  animation-delay: 3s;
}

/* ----------------------------------------
   プレースホルダー画像用スタイル
   ---------------------------------------- */
.placeholder-image {
  background: linear-gradient(135deg, var(--color-bg-dark) 0%, var(--color-bg-light) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-light);
  font-size: 0.9rem;
}