@import url('https://fonts.googleapis.com/css2?family=Shippori+Mincho:wght@400;500;600;700&family=Noto+Sans+JP:wght@300;400;500;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --paper: #F7F4EC;
  --paper-deep: #EFEADB;
  --ink: #22282E;
  --ink-soft: #4A4F55;
  --navy: #1F3A5F;
  --navy-deep: #16283F;
  --hanko: #9E3B34;
  --hanko-soft: #C0564D;
  --gold: #9C7A3C;
  --line: #D8D2C4;
  --line-strong: #B9B09A;

  --font-display: 'Shippori Mincho', serif;
  --font-body: 'Noto Sans JP', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --max-width: 1040px;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.85;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 28px;
}

/* ===== 印影ロゴマーク ===== */
.seal {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 2px solid var(--hanko);
  border-radius: 50%;
  color: var(--hanko);
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0;
  flex-shrink: 0;
  writing-mode: vertical-rl;
  padding: 2px 0;
}

/* ===== ヘッダー ===== */
.site-header {
  background: var(--navy);
  border-bottom: 3px solid var(--hanko);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  min-height: 84px;
  padding-top: 12px;
  padding-bottom: 12px;
  gap: 10px 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--paper);
}

.brand .seal { border-color: var(--hanko-soft); color: var(--hanko-soft); }

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.3;
}

.brand-text .ja {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.brand-text .en {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--gold);
  letter-spacing: 0.14em;
  margin-top: 2px;
}

.site-nav ul {
  display: flex;
  flex-wrap: wrap;
  list-style: none;
  gap: 8px 22px;
}

.site-nav a {
  color: var(--paper);
  font-size: 13.5px;
  font-weight: 500;
  letter-spacing: 0.03em;
  position: relative;
  padding: 6px 0;
  white-space: nowrap;
}

.site-nav a::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 0%;
  height: 2px;
  background: var(--hanko-soft);
  transition: width .25s ease;
}

.site-nav a:hover::after,
.site-nav a[aria-current="page"]::after { width: 100%; }

.nav-toggle { display: none; }

/* ===== ヒーロー ===== */
.hero {
  background:
    linear-gradient(180deg, var(--navy-deep) 0%, var(--navy) 100%);
  color: var(--paper);
  padding: 96px 0 88px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -120px; right: -120px;
  width: 420px; height: 420px;
  border: 1px solid rgba(212, 175, 130, 0.18);
  border-radius: 50%;
}

.hero::after {
  content: '';
  position: absolute;
  top: -60px; right: -60px;
  width: 420px; height: 420px;
  border: 1px solid rgba(212, 175, 130, 0.1);
  border-radius: 50%;
}

.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--gold);
  margin-bottom: 22px;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(15px, 2.3vw, 34px);
  font-weight: 700;
  line-height: 1.4;
  white-space: nowrap;
  letter-spacing: 0.01em;
}

.hero h1 em {
  font-style: normal;
  color: var(--hanko-soft);
}

.hero p.lead {
  margin-top: 26px;
  font-size: 16.5px;
  color: rgba(247,244,236,0.82);
  max-width: 560px;
  line-height: 1.9;
}

.hero-actions {
  margin-top: 40px;
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* ===== ボタン ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  font-size: 14.5px;
  font-weight: 500;
  letter-spacing: 0.03em;
  border-radius: 2px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all .2s ease;
}

.btn-primary {
  background: var(--hanko);
  color: var(--paper);
}
.btn-primary:hover { background: var(--hanko-soft); }

.btn-outline {
  border-color: rgba(247,244,236,0.4);
  color: var(--paper);
}
.btn-outline:hover { border-color: var(--paper); background: rgba(247,244,236,0.06); }

.btn-outline.on-paper {
  border-color: var(--line-strong);
  color: var(--ink);
}
.btn-outline.on-paper:hover { border-color: var(--navy); background: var(--paper-deep); }

/* ===== 条文セクション（本サイトの中核構造） ===== */
.article-section {
  padding: 76px 0;
  border-bottom: 1px solid var(--line);
}
.article-section:nth-child(even) { background: var(--paper-deep); }

.article-head {
  display: flex;
  align-items: baseline;
  gap: 20px;
  margin-bottom: 34px;
}

.article-num {
  font-family: var(--font-display);
  font-size: 15px;
  color: var(--hanko);
  white-space: nowrap;
  border: 1px solid var(--hanko);
  padding: 4px 12px;
  border-radius: 2px;
}

.article-title {
  font-family: var(--font-display);
  font-size: 27px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.article-body { max-width: 720px; }
.article-body p { margin-bottom: 16px; color: var(--ink-soft); font-size: 15.5px; }
.article-body p:last-child { margin-bottom: 0; }

/* ===== カードグリッド ===== */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 22px;
  margin-top: 36px;
}

.card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-top: 3px solid var(--navy);
  padding: 28px 26px;
}

.card .card-num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--gold);
  letter-spacing: 0.08em;
  margin-bottom: 10px;
}

.card h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 10px;
  line-height: 1.5;
}

.card p { font-size: 14px; color: var(--ink-soft); }

/* ===== タイムライン（沿革） ===== */
.timeline { margin-top: 10px; }
.timeline-item {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 24px;
  padding: 22px 0;
  border-bottom: 1px dashed var(--line-strong);
}
.timeline-item:last-child { border-bottom: none; }
.timeline-year {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--navy);
  font-weight: 500;
  padding-top: 2px;
}
.timeline-text h4 {
  font-family: var(--font-display);
  font-size: 16.5px;
  font-weight: 600;
  margin-bottom: 6px;
}
.timeline-text p { color: var(--ink-soft); font-size: 14.5px; }

/* ===== フォーム ===== */
.form-grid { max-width: 640px; margin-top: 10px; }
.field { margin-bottom: 22px; }
.field label {
  display: block;
  font-size: 13.5px;
  font-weight: 500;
  margin-bottom: 8px;
  color: var(--ink);
}
.field .required {
  color: var(--hanko);
  font-size: 11px;
  margin-left: 6px;
  border: 1px solid var(--hanko);
  padding: 1px 6px;
  border-radius: 2px;
}
.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line-strong);
  background: var(--paper);
  font-family: var(--font-body);
  font-size: 14.5px;
  color: var(--ink);
  border-radius: 2px;
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--navy);
  box-shadow: 0 0 0 3px rgba(31,58,95,0.1);
}
.field textarea { resize: vertical; min-height: 140px; }
.field-hint { font-size: 12.5px; color: var(--ink-soft); margin-top: 6px; }
.hp-field { position: absolute; left: -9999px; top: -9999px; }

.alert {
  padding: 16px 18px;
  border-left: 3px solid var(--navy);
  background: var(--paper-deep);
  font-size: 14px;
  margin-bottom: 28px;
}
.alert.error { border-color: var(--hanko); }

/* ===== お知らせ帯 ===== */
.notice-strip {
  background: var(--navy-deep);
  color: var(--paper);
  font-size: 13.5px;
  padding: 10px 0;
  text-align: center;
  letter-spacing: 0.03em;
}
.notice-strip a { color: var(--gold); border-bottom: 1px solid var(--gold); }

/* ===== フッター ===== */
.site-footer {
  background: var(--navy-deep);
  color: rgba(247,244,236,0.72);
  padding: 56px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(247,244,236,0.14);
}
.footer-brand .brand-text .en { color: var(--gold); }
.footer-brand p {
  margin-top: 16px;
  font-size: 13.5px;
  line-height: 1.9;
  color: rgba(247,244,236,0.6);
  max-width: 320px;
}
.footer-col h5 {
  font-family: var(--font-display);
  font-size: 14px;
  color: var(--paper);
  margin-bottom: 16px;
  letter-spacing: 0.05em;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 10px; font-size: 13.5px; }
.footer-col a:hover { color: var(--gold); }
.footer-bottom {
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: rgba(247,244,236,0.45);
  font-family: var(--font-mono);
  letter-spacing: 0.03em;
}

/* ===== レスポンシブ ===== */
@media (max-width: 780px) {
  .site-nav { display: none; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .article-head { flex-direction: column; gap: 10px; }
  .hero { padding: 64px 0 56px; }
  .hero h1 { font-size: clamp(11px, 3vw, 15px); }
  .footer-bottom { flex-direction: column; gap: 8px; }
}

/* ===== 判例解説フィーチャー（トップ・新着記事） ===== */
.news-feature {
  padding: 64px 0;
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}
.news-feature-inner { max-width: 820px; }

.news-badge-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 22px;
}
.news-badge-new {
  background: var(--hanko);
  color: var(--paper);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: 4px 12px;
  border-radius: 2px;
}
.news-badge-date {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-soft);
}
.news-badge-cat {
  font-size: 12px;
  color: var(--navy);
  border: 1px solid var(--line-strong);
  padding: 3px 10px;
  border-radius: 2px;
}

.news-feature h2 {
  font-family: var(--font-display);
  font-size: clamp(21px, 3vw, 28px);
  font-weight: 700;
  line-height: 1.6;
  color: var(--ink);
  margin-bottom: 22px;
}

.news-lede {
  font-size: 15.5px;
  color: var(--ink-soft);
  line-height: 1.9;
  margin-bottom: 30px;
}

/* 判決比較テーブル */
.ruling-compare-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 32px;
  font-size: 14.5px;
  background: var(--paper);
  border: 1px solid var(--line-strong);
}
.ruling-compare-table th,
.ruling-compare-table td {
  border: 1px solid var(--line-strong);
  padding: 14px 16px;
  text-align: left;
  vertical-align: top;
  line-height: 1.7;
}
.ruling-compare-table thead th {
  background: var(--navy);
  color: var(--paper);
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.03em;
  white-space: nowrap;
}
.ruling-compare-table tbody tr:nth-child(even) { background: var(--paper-deep); }
.ruling-compare-table tbody td:first-child {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--navy);
  white-space: nowrap;
  font-weight: 500;
}

.news-conclusion-box {
  background: var(--paper-deep);
  border-left: 3px solid var(--navy);
  padding: 22px 24px;
  margin-bottom: 24px;
}
.news-conclusion-box .label {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--navy);
  letter-spacing: 0.08em;
  margin-bottom: 10px;
  font-weight: 500;
}
.news-conclusion-box p {
  font-size: 15px;
  color: var(--ink);
  line-height: 1.9;
}

.news-warning {
  border-left: 3px solid var(--hanko);
  background: rgba(158,59,52,0.06);
  padding: 18px 22px;
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.85;
  margin-bottom: 32px;
}
.news-warning strong { color: var(--hanko); }

.news-feature-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  padding-top: 8px;
}
.news-feature-footer .src {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--ink-soft);
}

@media (max-width: 780px) {
  .ruling-compare-table { font-size: 13px; }
  .ruling-compare-table th, .ruling-compare-table td { padding: 10px 12px; }
  .news-feature-footer { flex-direction: column; align-items: flex-start; }
}

/* ===== ケーススタディ（係属中案件）専用 ===== */
.case-intro-note {
  background: var(--paper-deep);
  border-left: 3px solid var(--gold);
  padding: 18px 22px;
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.85;
  margin-bottom: 40px;
}
.case-intro-note strong { color: var(--ink); }

.case-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-top: 3px solid var(--navy);
  padding: 32px 30px;
  margin-bottom: 28px;
}

.case-card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 20px;
  padding-bottom: 20px;
  border-bottom: 1px dashed var(--line-strong);
}

.case-title {
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 700;
  color: var(--ink);
  max-width: 620px;
  line-height: 1.6;
}

/* ステータスバッジ：係属中 / 控訴中 / 判決確定 */
.case-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: 6px 14px;
  border-radius: 2px;
  white-space: nowrap;
}
.case-status::before {
  content: '';
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
}
.case-status[data-status="係属中"],
.case-status[data-status="控訴中"] {
  background: rgba(156,122,60,0.14);
  color: var(--gold);
  border: 1px solid var(--gold);
}
.case-status[data-status="判決確定"] {
  background: rgba(31,58,95,0.1);
  color: var(--navy);
  border: 1px solid var(--navy);
}

.case-meta-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 18px;
  margin-bottom: 26px;
}
.case-meta-item .k {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--gold);
  letter-spacing: 0.08em;
  margin-bottom: 6px;
}
.case-meta-item .v {
  font-size: 14.5px;
  color: var(--ink);
  line-height: 1.6;
}

.case-section-label {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--navy);
  letter-spacing: 0.08em;
  font-weight: 500;
  margin: 26px 0 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.case-section-label::before {
  content: '';
  width: 14px;
  height: 1px;
  background: var(--hanko);
}

/* 匿名化した時系列 */
.case-timeline { margin-top: 4px; }
.case-timeline-item {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 18px;
  padding: 14px 0;
  border-bottom: 1px dashed var(--line);
  font-size: 14px;
}
.case-timeline-item:last-child { border-bottom: none; }
.case-timeline-item .date {
  font-family: var(--font-mono);
  color: var(--ink-soft);
  font-size: 13px;
}
.case-timeline-item .event { color: var(--ink); }

/* 被告側の主張の骨子（主張であることを明示するボックス） */
.case-argument-box {
  background: var(--paper-deep);
  border-left: 3px solid var(--navy);
  padding: 18px 22px;
  margin-bottom: 8px;
}
.case-argument-box .argument-tag {
  display: inline-block;
  font-size: 11px;
  color: var(--paper);
  background: var(--navy);
  padding: 2px 9px;
  border-radius: 2px;
  margin-bottom: 10px;
  letter-spacing: 0.04em;
}
.case-argument-box p { font-size: 14.5px; color: var(--ink); line-height: 1.85; }

/* 参照判例リスト */
.case-precedent-list { list-style: none; margin-top: 4px; }
.case-precedent-list li {
  font-size: 14px;
  color: var(--ink-soft);
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
  line-height: 1.7;
}
.case-precedent-list li:last-child { border-bottom: none; }
.case-precedent-list .case-no {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--navy);
  display: block;
  margin-bottom: 2px;
}

/* 多言語見出し枠（本文は後日） */
.case-lang-tabs {
  display: flex;
  gap: 8px;
  margin-top: 30px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  flex-wrap: wrap;
}
.case-lang-tab {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-soft);
  border: 1px solid var(--line-strong);
  padding: 6px 14px;
  border-radius: 2px;
}

@media (max-width: 780px) {
  .case-card { padding: 24px 20px; }
  .case-card-head { flex-direction: column; }
  .case-timeline-item { grid-template-columns: 1fr; gap: 4px; }
}

/* ===== 判例DB専用（後日統合） ===== */
.db-search-bar {
  display: flex;
  gap: 12px;
  margin-bottom: 30px;
  flex-wrap: wrap;
}
.db-search-bar input {
  flex: 1;
  min-width: 240px;
  padding: 13px 16px;
  border: 1px solid var(--line-strong);
  font-family: var(--font-body);
  font-size: 14.5px;
  background: var(--paper);
}