/* ============================================
   additions.css — サイト改善追加スタイル
   全ページの </head> 直前に以下を追加してください:
   <link rel="stylesheet" href="css/additions.css">
   ============================================ */

/* CTAボタン強化（全体） */
.btn-primary {
  box-shadow: 0 4px 14px rgba(230, 126, 34, 0.4);
}

.btn-primary:hover {
  box-shadow: 0 6px 20px rgba(230, 126, 34, 0.5);
}

/* ============================================
   FAQアコーディオン（faq.htmlで使用）
   lp.cssを読み込まないページ用
   ============================================ */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
  transition: all 0.3s ease;
}

.faq-item:hover {
  border-color: var(--color-accent);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-primary);
  text-align: left;
  background: var(--color-white);
  cursor: pointer;
  transition: background 0.3s ease;
}

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

.faq-question .arrow {
  font-size: 1.2rem;
  transition: transform 0.3s ease;
  flex-shrink: 0;
  margin-left: 16px;
}

.faq-item.open .faq-question .arrow {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.faq-answer-inner {
  padding: 0 24px 20px;
  font-size: 0.9rem;
  color: var(--color-text-light);
  line-height: 1.8;
}

.faq-item.open .faq-answer {
  max-height: 400px;
}

/* FAQページ カテゴリ */
.faq-category {
  margin-bottom: 48px;
}

.faq-category-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-primary);
  border-left: 4px solid var(--color-accent);
  padding-left: 12px;
  margin-bottom: 20px;
}

/* 在庫ページ スタイル（stock.htmlで使用） */
.stock-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 32px;
}

.stock-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--color-white);
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.stock-card:hover {
  box-shadow: 0 8px 24px rgba(0,0,0,0.12);
  transform: translateY(-2px);
}

.stock-card-img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  background: var(--color-bg-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
}

.stock-card-body {
  padding: 16px;
}

.stock-card-body h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 6px;
}

.stock-card-tag {
  display: inline-block;
  background: var(--color-accent);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 2px 10px;
  border-radius: 20px;
  margin-bottom: 8px;
}

.stock-card-price {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-accent);
}

.stock-card-price small {
  font-size: 0.75rem;
  color: var(--color-text-light);
  font-weight: 400;
}

.stock-carsensor-banner {
  background: linear-gradient(135deg, #1a2a4a 0%, #2a3f6a 100%);
  border-radius: var(--radius);
  padding: 32px;
  text-align: center;
  color: #fff;
  margin-top: 48px;
}

.stock-carsensor-banner h3 {
  font-size: 1.3rem;
  margin-bottom: 8px;
}

.stock-carsensor-banner p {
  opacity: 0.8;
  margin-bottom: 20px;
}

/* ============================================
   写真準備中プレースホルダー改善
   ============================================ */
.card-img-placeholder {
  background: linear-gradient(135deg, #eef2f7 0%, #dde4ef 100%);
  border: none;
  color: var(--color-text-light);
  font-size: 2.5rem;
  letter-spacing: 0.05em;
  flex-direction: column;
}

/* ============================================
   お知らせタグ カテゴリ別カラー
   ============================================ */
.news-tag.tag-new     { background: var(--color-accent); }   /* 新サービス：オレンジ */
.news-tag.tag-stock   { background: #2980b9; }               /* 在庫情報：ブルー */
.news-tag.tag-notice  { background: #7f8c8d; }               /* お知らせ：グレー */
.news-tag.tag-event   { background: #27ae60; }               /* イベント：グリーン */
.news-tag.tag-recruit { background: #8e44ad; }               /* 採用：パープル */

/* ============================================
   法人向けセクション（service.htmlで使用）
   ============================================ */
.corporate-grid {
  max-width: 900px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.corporate-card {
  background: #fff;
  border-radius: var(--radius);
  border-top: 5px solid var(--color-primary);
  padding: 32px;
  box-shadow: var(--shadow);
  transition: all 0.3s ease;
}

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

/* ============================================
   月額シミュレーター（lp.htmlで使用）
   ============================================ */
.simulator-box {
  background: #fff;
  border: 2px solid var(--color-accent);
  border-radius: var(--radius);
  padding: 32px;
  max-width: 520px;
  margin: 0 auto;
  box-shadow: 0 8px 32px rgba(0,0,0,0.1);
}

.sim-form-group {
  margin-bottom: 18px;
}

.sim-form-group label {
  display: block;
  font-weight: 700;
  font-size: 0.9rem;
  margin-bottom: 6px;
  color: var(--color-primary);
}

.sim-form-group select {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-family: inherit;
  background: #fff;
  cursor: pointer;
  transition: border-color 0.3s ease;
  outline: none;
}

.sim-form-group select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0, 119, 182, 0.15);
}

.sim-result {
  text-align: center;
  background: var(--color-bg-light);
  border-radius: var(--radius);
  padding: 24px;
  margin: 24px 0 20px;
}

.sim-price {
  font-size: 2.4rem;
  font-weight: 900;
  color: var(--color-accent);
  line-height: 1.2;
  transition: all 0.3s ease;
}

.sim-note {
  font-size: 0.75rem;
  color: var(--color-text-light);
  margin-top: 6px;
}

/* ============================================
   サービスカード 料金・特徴リスト強化
   ============================================ */
.price-tag {
  font-size: 1.9rem;
  font-weight: 900;
  color: var(--color-accent);
  margin-bottom: 14px;
  line-height: 1;
}

.price-tag span {
  font-size: 0.9rem;
  color: var(--color-text-light);
  font-weight: 400;
}

.service-list {
  list-style: none;
  padding: 0;
  text-align: left;
}

.service-list li {
  padding: 6px 0 6px 22px;
  position: relative;
  font-size: 0.88rem;
  border-bottom: 1px solid #f0f0f0;
}

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

.service-list li::before {
  content: '\2713';
  color: var(--color-accent);
  font-weight: 700;
  position: absolute;
  left: 0;
}

.card-badge {
  position: absolute;
  top: 18px;
  right: 18px;
  background: var(--color-accent);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 20px;
  z-index: 1;
}

.service-card {
  position: relative;
  overflow: hidden;
}

.service-desc {
  font-size: 0.88rem;
  color: var(--color-text-light);
  margin-bottom: 16px;
  line-height: 1.75;
}

/* ============================================
   B2Bティーザーセクション
   ============================================ */
.b2b-grid {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 800px;
  margin: 0 auto;
}

.b2b-card {
  background: var(--color-white);
  padding: 24px 28px;
  border-left: 5px solid var(--color-primary);
  border-radius: 0 var(--radius) var(--radius) 0;
  box-shadow: var(--shadow);
  transition: transform 0.25s, box-shadow 0.25s;
}

.b2b-card:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow-lg);
}

.b2b-card h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.b2b-card p {
  font-size: 0.88rem;
  color: var(--color-text-light);
  line-height: 1.75;
  margin: 0;
}

/* ============================================
   LINEボタン
   ============================================ */
.btn-line {
  background: #06C755;
  color: #fff;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-decoration: none;
  border-radius: 50px;
  transition: 0.3s;
  padding: 14px 28px;
  font-size: 0.95rem;
}

.btn-line:hover {
  background: #05a848;
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(6,199,85,0.4);
}

.btn-line svg { flex-shrink: 0; }

.floating-cta .cta-line {
  background: #06C755;
  color: var(--color-white);
}

/* シミュレーターCTA */
.sim-cta {
  display: block;
  text-align: center;
  background: var(--color-accent);
  color: #fff;
  font-weight: 700;
  font-size: 1rem;
  padding: 16px;
  border-radius: 50px;
  text-decoration: none;
  transition: 0.3s;
  box-shadow: 0 4px 16px rgba(255,159,28,0.35);
}

.sim-cta:hover {
  background: var(--color-accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(255,159,28,0.5);
}

/* モバイル */
@media (max-width: 768px) {
  .b2b-card {
    padding: 20px 22px;
  }

  .corporate-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .corporate-card {
    padding: 24px;
  }

  .simulator-box {
    padding: 24px;
  }

  .sim-price {
    font-size: 2rem;
  }
}

@media (max-width: 480px) {
  .btn {
    padding: 14px 24px;
    font-size: 0.95rem;
  }

  .section-title {
    font-size: 1.6rem;
  }

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