/* ==========================================
   Base & Typography (法律事務所スタイル)
   ========================================== */
:root {
  --primary-navy: #1a2b4c;       /* 信頼感のある深いネイビー */
  --accent-gold: #c5a059;        /* 士業らしい品のあるゴールド */
  --accent-gold-hover: #b38e47;
  --bg-light: #f8f9fa;            /* 淡いグレー背景 */
  --text-dark: #2c3e50;           /* 読みやすいダークグレー */
  --text-muted: #6c757d;
  --border-color: #e9ecef;
  --font-serif: "Times New Roman", "YuMincho", "Hiragino Mincho ProN", serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

/* ==========================================
   Header
   ========================================== */
.law-header {
  background-color: #ffffff;
  border-bottom: 2px solid var(--primary-navy);
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  max-width: 1000px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.site-brand {
  display: flex;
  flex-direction: column;
}

.office-name {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--primary-navy);
  letter-spacing: 1px;
}

.office-sub {
  font-size: 0.75rem;
  color: var(--accent-gold);
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

.header-nav a {
  text-decoration: none;
  color: var(--text-dark);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
}

.header-nav a:hover {
  color: var(--accent-gold);
}

.btn-contact {
  background-color: var(--primary-navy);
  color: #fff !important;
  padding: 8px 18px;
  border-radius: 4px;
  transition: opacity 0.2s !important;
}

.btn-contact:hover {
  opacity: 0.9;
}

/* ==========================================
   Main Article Area
   ========================================== */
.page-container {
  max-width: 860px;
  margin: 40px auto;
  padding: 0 20px;
}

.article {
  background: #ffffff;
  padding: 48px 40px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  box-shadow: 0 4px 20px rgba(0,0,0,0.03);
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
}

.category-badge {
  background-color: #eef2f7;
  color: var(--primary-navy);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 3px;
}

.article-meta time {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.article-title {
  font-family: var(--font-serif);
  font-size: 1.85rem;
  line-height: 1.4;
  color: var(--primary-navy);
  margin-bottom: 28px;
}

/* 著者カード */
.author-card {
  display: flex;
  align-items: center;
  gap: 16px;
  background-color: var(--bg-light);
  border-left: 4px solid var(--accent-gold);
  padding: 16px 20px;
  margin-bottom: 32px;
  border-radius: 0 6px 6px 0;
}

.author-avatar {
  font-size: 2rem;
}

.author-info {
  display: flex;
  flex-direction: column;
}

.author-title {
  font-size: 0.75rem;
  color: var(--accent-gold);
  font-weight: 700;
}

.author-name {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--primary-navy);
}

.author-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* リード文 */
.lead-text {
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 36px;
}

/* 目次 */
.toc-box {
  background-color: #fdfbf7;
  border: 1px solid #f0e6d2;
  padding: 24px 30px;
  border-radius: 6px;
  margin-bottom: 48px;
}

.toc-title {
  font-weight: 700;
  color: var(--primary-navy);
  margin-bottom: 12px;
  font-size: 1.05rem;
}

.toc-list {
  padding-left: 20px;
}

.toc-list li {
  margin-bottom: 8px;
}

.toc-list a {
  color: var(--text-dark);
  text-decoration: none;
  font-size: 0.95rem;
}

.toc-list a:hover {
  color: var(--accent-gold);
  text-decoration: underline;
}

/* 本文セクション */
.section {
  margin-bottom: 48px;
}

.section h2 {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  color: var(--primary-navy);
  border-bottom: 2px solid var(--primary-navy);
  padding-bottom: 8px;
  margin-bottom: 20px;
}

.section p {
  margin-bottom: 16px;
  font-size: 0.98rem;
}

/* 法律解説強調ボックス */
.law-box {
  background-color: #f0f4f8;
  border-top: 3px solid var(--primary-navy);
  padding: 20px 24px;
  margin: 24px 0;
  border-radius: 4px;
}

.law-box-title {
  font-weight: 700;
  color: var(--primary-navy);
  margin-bottom: 12px;
}

.law-box ul {
  padding-left: 20px;
}

.law-box li {
  margin-bottom: 8px;
  font-size: 0.95rem;
}

/* ポイントカード */
.point-card {
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 20px;
  margin-bottom: 16px;
  background-color: #ffffff;
}

.point-card h3 {
  font-size: 1.1rem;
  color: var(--accent-gold);
  margin-bottom: 8px;
}

/* Q&A */
.qa-item {
  margin-bottom: 24px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 16px;
}

.qa-q {
  font-weight: 700;
  color: var(--primary-navy);
  margin-bottom: 8px;
}

.qa-a {
  font-size: 0.95rem;
  color: var(--text-dark);
}

/* CTA お問い合わせボックス */
.cta-box {
  background-color: var(--primary-navy);
  color: #ffffff;
  padding: 36px;
  border-radius: 8px;
  text-align: center;
  margin-top: 60px;
}

.cta-title {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  color: var(--accent-gold);
  margin-bottom: 12px;
}

.cta-desc {
  font-size: 0.9rem;
  margin-bottom: 24px;
  color: #d1d5db;
}

.cta-button {
  display: inline-block;
  background-color: var(--accent-gold);
  color: #ffffff;
  text-decoration: none;
  font-weight: 700;
  padding: 14px 32px;
  border-radius: 4px;
  transition: background-color 0.2s;
}

.cta-button:hover {
  background-color: var(--accent-gold-hover);
}

/* Footer */
.law-footer {
  text-align: center;
  padding: 30px;
  color: var(--text-muted);
  font-size: 0.85rem;
  border-top: 1px solid var(--border-color);
  background-color: #ffffff;
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
  .header-nav {
    display: none;
  }
  .article {
    padding: 24px 18px;
  }
  .article-title {
    font-size: 1.4rem;
  }
}