/* ============================================
   about.html 専用スタイル
   lp.css を継承して about ページ固有の見た目を追加
   ============================================ */

/* ヒーロー */
.about-hero {
  background: linear-gradient(135deg, #dbeafe 0%, #93c5fd 100%);
  padding: 80px 24px 100px;
  text-align: center;
}
.about-hero-inner {
  max-width: 900px;
  margin: 0 auto;
}
.about-hero-eyebrow {
  display: inline-block;
  background: rgba(30, 64, 175, 0.9);
  color: white;
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  padding: 6px 18px;
  border-radius: 999px;
  margin-bottom: 28px;
}
.about-hero h1 {
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  line-height: 1.5;
  color: #1e3a8a;
  margin: 0 0 24px;
  font-weight: 800;
}
.about-hero h1 .accent { color: #1d4ed8; }
.about-hero-lead {
  font-size: 1.05rem;
  color: #1e40af;
  line-height: 1.9;
  max-width: 760px;
  margin: 0 auto;
}

/* 会社概要 dl */
.about-kv {
  display: grid;
  grid-template-columns: minmax(180px, 240px) 1fr;
  gap: 0;
  background: white;
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  overflow: hidden;
  max-width: 860px;
  margin: 0 auto;
}
.about-kv dt,
.about-kv dd {
  padding: 18px 24px;
  margin: 0;
  border-bottom: 1px solid #e5e7eb;
  line-height: 1.7;
}
.about-kv dt {
  background: #f9fafb;
  color: #374151;
  font-weight: 700;
  font-size: 0.92rem;
}
.about-kv dd { color: #111827; font-size: 0.95rem; }
.about-kv dt:nth-last-of-type(1),
.about-kv dd:nth-last-of-type(1) { border-bottom: none; }
.about-kv dd small { display: inline-block; margin-top: 4px; color: #6b7280; font-size: 0.82rem; }
.about-kv a { color: #2563eb; text-decoration: none; }
.about-kv a:hover { text-decoration: underline; }

/* ミッション */
.about-mission-quote {
  font-size: clamp(1.3rem, 3vw, 1.7rem);
  line-height: 1.6;
  color: #1e3a8a;
  text-align: center;
  font-weight: 700;
  margin: 32px 0;
  padding: 24px;
  background: white;
  border-radius: 12px;
  border-left: 5px solid #3b82f6;
}
.about-mission p {
  max-width: 760px;
  margin: 0 auto;
  line-height: 1.9;
  color: #374151;
}

/* 事業内容グリッド */
.about-biz-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  max-width: 1080px;
  margin: 40px auto 0;
}
.about-biz-card {
  background: white;
  border: 1px solid #e5e7eb;
  border-radius: 14px;
  padding: 28px 24px;
  transition: transform .15s, box-shadow .15s;
}
.about-biz-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(0,0,0,.06);
}
.about-biz-card-highlight {
  border-color: #3b82f6;
  background: linear-gradient(135deg, #eff6ff 0%, #ffffff 60%);
  box-shadow: 0 4px 20px rgba(59,130,246,.12);
}
.about-biz-icon { font-size: 2.2rem; margin-bottom: 12px; }
.about-biz-card h3 {
  font-size: 1.05rem;
  margin: 0 0 12px;
  color: #1e3a8a;
  font-weight: 700;
  line-height: 1.5;
}
.about-biz-card h3 small {
  display: block;
  font-size: 0.78rem;
  color: #2563eb;
  font-weight: 600;
  margin-top: 4px;
}
.about-biz-card p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.75;
  color: #4b5563;
}

/* ストーリー */
.about-story-inner {
  max-width: 800px;
}
.about-story p {
  line-height: 2;
  color: #374151;
  font-size: 1rem;
  margin: 0 0 20px;
}
.about-story-signature {
  margin-top: 36px;
  padding-top: 24px;
  border-top: 1px solid #e5e7eb;
  text-align: right;
  font-weight: 700;
  color: #1e3a8a;
  line-height: 1.8;
}

/* お問い合わせカード */
.about-contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  max-width: 1000px;
  margin: 36px auto 0;
}
.about-contact-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  background: white;
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  padding: 24px 16px;
  text-decoration: none;
  color: inherit;
  transition: transform .15s, border-color .15s, box-shadow .15s;
}
.about-contact-card:hover {
  transform: translateY(-2px);
  border-color: #3b82f6;
  box-shadow: 0 6px 20px rgba(59,130,246,.12);
}
.about-contact-icon {
  font-size: 1.8rem;
  margin-bottom: 8px;
}
.about-contact-card strong {
  color: #1e3a8a;
  font-size: 0.95rem;
  margin-bottom: 4px;
}
.about-contact-card span {
  font-size: 0.82rem;
  color: #6b7280;
  word-break: break-all;
}

/* CTAセクション */
.about-cta-inner {
  text-align: center;
}
.about-cta-inner h2 { margin-bottom: 8px; }
.about-cta-inner p { margin: 0 0 24px; color: #6b7280; }
.about-cta-inner .column-cta {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

/* レスポンシブ */
@media (max-width: 720px) {
  .about-hero { padding: 60px 20px 70px; }
  .about-kv {
    grid-template-columns: 1fr;
  }
  .about-kv dt { border-bottom: none; padding-bottom: 6px; }
  .about-kv dd { padding-top: 6px; }
  .about-kv dt:nth-last-of-type(1) { border-bottom: 1px solid #e5e7eb; }
}