/**
 * NETEMO CREW — グローバルスタイル
 *
 * @package netemo-crew
 * @version 2.0.6
 * @since   1.0.0
 */

/* ─── CSS カスタムプロパティ ─── */
:root {
  /* カラー */
  --color-primary:     #1B3A6B;
  --color-primary-dk:  #152D54;
  --color-accent:      #2563EB;
  --color-accent-lt:   #EEF4FF;
  --color-white:       #FFFFFF;
  --color-bg:          #F8FAFC;
  --color-text:        #1E293B;
  --color-muted:       #64748B;
  --color-border:      #E2E8F0;
  --color-success:     #10B981;
  --color-line:        #06C755;

  /* タイポグラフィ */
  --font-ja:   'Noto Sans JP', 'Hiragino Kaku Gothic ProN', sans-serif;
  --font-en:   'Inter', sans-serif;

  --fs-xs:   0.75rem;   /* 12px */
  --fs-sm:   0.875rem;  /* 14px */
  --fs-base: 1rem;      /* 16px */
  --fs-lg:   1.125rem;  /* 18px */
  --fs-xl:   1.25rem;   /* 20px */
  --fs-2xl:  1.5rem;    /* 24px */
  --fs-3xl:  1.875rem;  /* 30px */
  --fs-4xl:  2.25rem;   /* 36px */
  --fs-5xl:  3rem;      /* 48px */

  /* スペーシング */
  --section-py:     80px;
  --section-py-sm:  48px;
  --container:      1120px;
  --container-px:   24px;

  /* その他 */
  --radius-sm:  4px;
  --radius:     8px;
  --radius-lg:  16px;
  --radius-xl:  24px;
  --shadow-sm:  0 1px 3px rgba(0,0,0,0.08);
  --shadow:     0 4px 16px rgba(0,0,0,0.08);
  --shadow-lg:  0 10px 40px rgba(0,0,0,0.12);
  --transition: 0.25s ease;
}

/* ─── リセット ─── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-ja);
  font-size: var(--fs-base);
  line-height: 1.8;
  color: var(--color-text);
  background: var(--color-white);
  -webkit-font-smoothing: antialiased;
}

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

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

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

ul, ol { list-style: none; }

address { font-style: normal; }

/* ─── コンテナ ─── */
.container {
  width: min(var(--container), 100% - var(--container-px) * 2);
  margin-inline: auto;
}

/* ─── セクション共通 ─── */
.section {
  padding: var(--section-py) 0;
}
.section--bg {
  background: var(--color-bg);
}

.section-header {
  text-align: center;
  margin-bottom: 56px;
}
.section-label {
  display: inline-block;
  font-family: var(--font-en);
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
  background: var(--color-accent-lt);
  padding: 4px 14px;
  border-radius: 100px;
  margin-bottom: 12px;
}
.section-title {
  font-size: clamp(var(--fs-2xl), 3vw, var(--fs-4xl));
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.3;
}
.section-title + .section-desc {
  margin-top: 16px;
  font-size: var(--fs-lg);
  color: var(--color-muted);
}

/* ─── ボタン ─── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-ja);
  font-size: var(--fs-base);
  font-weight: 700;
  border-radius: var(--radius);
  padding: 14px 32px;
  cursor: pointer;
  border: 2px solid transparent;
  transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition);
  white-space: nowrap;
  text-decoration: none;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn--primary {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}
.btn--primary:hover {
  background: var(--color-primary-dk);
  border-color: var(--color-primary-dk);
  color: var(--color-white);
  box-shadow: 0 6px 20px rgba(27,58,107,0.35);
}

.btn--outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.btn--outline:hover {
  background: var(--color-primary);
  color: var(--color-white);
}

.btn--line {
  background: var(--color-line);
  color: var(--color-white);
  border-color: var(--color-line);
  font-size: var(--fs-lg);
  padding: 16px 40px;
}
.btn--line:hover {
  background: #05b54c;
  border-color: #05b54c;
  color: var(--color-white);
  box-shadow: 0 6px 20px rgba(6,199,85,0.35);
}

.btn--sm {
  font-size: var(--fs-sm);
  padding: 10px 20px;
}

.btn--lg {
  font-size: var(--fs-xl);
  padding: 18px 48px;
}

/* ─── ヘッダー ─── */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: transparent;
  border-bottom: 1px solid transparent;
  height: 72px;
  transition: background var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.site-header.is-scrolled {
  background: var(--color-white);
  border-bottom-color: var(--color-border);
  box-shadow: var(--shadow);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.site-logo {
  text-decoration: none;
  display: flex;
  align-items: center;
}
.logo-text {
  font-family: var(--font-en);
  font-size: var(--fs-xl);
  font-weight: 700;
  color: var(--color-white);
  letter-spacing: 0.05em;
}
.logo-accent {
  color: rgba(255,255,255,0.85);
}
.site-header.is-scrolled .logo-text { color: var(--color-primary); }
.site-header.is-scrolled .logo-accent { color: var(--color-accent); }
.site-nav .nav-list {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-item a {
  font-size: var(--fs-sm);
  font-weight: 500;
  color: rgba(255,255,255,0.9);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
  text-decoration: none;
}
.nav-item a:hover,
.nav-item.is-active > a {
  color: var(--color-white);
  background: rgba(255,255,255,0.15);
}
.site-header.is-scrolled .nav-item a { color: var(--color-text); }
.site-header.is-scrolled .nav-item a:hover,
.site-header.is-scrolled .nav-item.is-active > a {
  color: var(--color-accent);
  background: var(--color-accent-lt);
}
.nav-item.nav-cta { margin-left: 8px; }

/* ハンバーガー */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-white);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.site-header.is-scrolled .hamburger span { background: var(--color-primary); }
.hamburger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.is-open span:nth-child(2) { opacity: 0; }
.hamburger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ─── ヘッダー CTA ボタン（透過状態：白アウトライン） ─── */
.nav-item.nav-cta .btn--primary {
  background: rgba(255,255,255,0.15);
  border-color: rgba(255,255,255,0.85);
  color: var(--color-white);
}
.nav-item.nav-cta .btn--primary:hover {
  background: rgba(255,255,255,0.28);
  border-color: var(--color-white);
  color: var(--color-white);
}
/* スクロール後（白背景）: 通常の紺ボタンに戻す */
.site-header.is-scrolled .nav-item.nav-cta .btn--primary {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
}
.site-header.is-scrolled .nav-item.nav-cta .btn--primary:hover {
  background: var(--color-primary-dk);
  border-color: var(--color-primary-dk);
}

/* モバイルオーバーレイ */
.mobile-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  z-index: 998;
}
.mobile-overlay.is-visible { display: block; }

/* ─── フッター ─── */
.site-footer {
  background: var(--color-primary);
  color: rgba(255,255,255,0.85);
  padding-top: 56px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.5fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
.footer-logo .logo-text { color: var(--color-white); }
.footer-logo .logo-accent { color: #93C5FD; }
.footer-tagline {
  margin-top: 16px;
  font-size: var(--fs-sm);
  line-height: 1.9;
  color: rgba(255,255,255,0.65);
}
.footer-nav-title {
  font-size: var(--fs-sm);
  font-weight: 700;
  color: rgba(255,255,255,0.5);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 16px;
}
.footer-nav ul, .footer-info address {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-nav a {
  font-size: var(--fs-sm);
  color: rgba(255,255,255,0.75);
  transition: color var(--transition);
  text-decoration: none;
}
.footer-nav a:hover { color: var(--color-white); }
.footer-info p {
  font-size: var(--fs-sm);
  line-height: 1.7;
  color: rgba(255,255,255,0.75);
}
.footer-info a {
  color: rgba(255,255,255,0.75);
  text-decoration: none;
}
.footer-info a:hover { color: var(--color-white); }
.footer-bottom {
  text-align: center;
  padding: 20px 0;
}
.copyright {
  font-size: var(--fs-xs);
  color: rgba(255,255,255,0.45);
}

/* ─── ページヘッダー（各内部ページ共通） ─── */
.page-hero {
  padding: 120px 0 64px;
  background: linear-gradient(135deg, var(--color-primary) 0%, #2b5598 100%);
  color: var(--color-white);
  text-align: center;
}
.page-hero-label {
  font-family: var(--font-en);
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  opacity: 0.65;
  margin-bottom: 12px;
}
.page-hero-title {
  font-size: clamp(var(--fs-3xl), 4vw, var(--fs-5xl));
  font-weight: 700;
  line-height: 1.2;
}
.page-hero-desc {
  margin-top: 16px;
  font-size: var(--fs-lg);
  opacity: 0.8;
}

/* ─── CTA バナー（共通） ─── */
.cta-banner {
  padding: var(--section-py) 0;
  background: linear-gradient(135deg, var(--color-primary) 0%, #2b5598 100%);
  text-align: center;
  color: var(--color-white);
}
.cta-banner-title {
  font-size: clamp(var(--fs-2xl), 3vw, var(--fs-4xl));
  font-weight: 700;
  margin-bottom: 16px;
}
.cta-banner-desc {
  font-size: var(--fs-lg);
  opacity: 0.85;
  margin-bottom: 40px;
}
.cta-banner-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
.cta-banner .btn--outline {
  border-color: rgba(255,255,255,0.6);
  color: var(--color-white);
}
.cta-banner .btn--outline:hover {
  background: rgba(255,255,255,0.15);
  border-color: var(--color-white);
  color: var(--color-white);
}


/* ─── ユーティリティ ─── */
.text-center { text-align: center; }
.text-muted   { color: var(--color-muted); }
.fw-bold      { font-weight: 700; }
.mt-4  { margin-top: 16px; }
.mt-8  { margin-top: 32px; }
.mt-12 { margin-top: 48px; }
.gap-4 { gap: 16px; }
.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ─── レスポンシブ ─── */
@media (max-width: 1023px) {
  :root {
    --section-py: 64px;
  }
}

@media (max-width: 767px) {
  :root {
    --section-py: var(--section-py-sm);
  }

  /* SP ナビ */
  .hamburger { display: flex; }
  .site-nav {
    position: fixed;
    top: 72px;
    right: -100%;
    width: 280px;
    height: calc(100vh - 72px);
    background: var(--color-white);
    box-shadow: var(--shadow-lg);
    z-index: 999;
    transition: right var(--transition);
    overflow-y: auto;
    padding: 24px;
  }
  .site-nav.is-open { right: 0; }
  .site-nav .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
  }
  .nav-item a {
    display: block;
    padding: 12px 16px;
    font-size: var(--fs-base);
    /* SP: 白背景パネル内なので文字色を上書き */
    color: var(--color-text);
  }
  .nav-item a:hover,
  .nav-item.is-active > a {
    color: var(--color-accent);
    background: var(--color-accent-lt);
  }
  /* SP: CTAボタンは通常の紺ボタン */
  .nav-item.nav-cta .btn--primary {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-white);
  }
  .nav-item.nav-cta { margin-left: 0; margin-top: 16px; }
  .nav-item.nav-cta .btn { width: 100%; justify-content: center; }

  /* ロゴ（SP: 透過状態でも白パネル開いたときの対応） */
  .site-header:not(.is-scrolled) .logo-text { color: var(--color-white); }

  /* ページヘッダー余白削減 */
  .page-hero { padding: 96px 0 48px; }
  .page-hero-title { font-size: var(--fs-3xl); }
  .page-hero-desc { font-size: var(--fs-base); }

  /* フッター */
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .cta-banner-buttons {
    flex-direction: column;
    align-items: center;
  }
  .cta-banner-buttons .btn {
    width: 100%;
    max-width: 320px;
  }
}

/* ─── フローティング LINE ボタン ─── */
.float-line {
  position: fixed;
  bottom: 32px;
  right: 24px;
  z-index: 990;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.35s ease, transform 0.35s ease;
  pointer-events: none;
}
.float-line.is-visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.float-line__btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  background: var(--color-line);
  color: var(--color-white);
  text-decoration: none;
  border-radius: 50px;
  padding: 12px 16px;
  box-shadow: 0 6px 24px rgba(6,199,85,0.45);
  transition: background var(--transition), box-shadow var(--transition), transform var(--transition);
  white-space: nowrap;
}
.float-line__btn:hover {
  background: #05b54c;
  color: var(--color-white);
  box-shadow: 0 8px 30px rgba(6,199,85,0.55);
  transform: translateY(-3px);
}
.float-line__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
}
.float-line__text {
  font-size: var(--fs-xs);
  font-weight: 700;
  text-align: center;
  line-height: 1.3;
}

@media (max-width: 767px) {
  .float-line {
    bottom: 16px;
    right: auto;
    left: 50%;
    transform: translateX(-50%) translateY(16px);
  }
  .float-line.is-visible {
    transform: translateX(-50%) translateY(0);
  }
}

/* ─── スクロールアニメーション ─── */
.anim-ready {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.anim-ready.is-visible {
  opacity: 1;
  transform: translateY(0);
}