/* =========================================================
   紹介研究所 β版 - 法務ページ共通スタイル
   （利用規約 / プライバシーポリシー / 特定商取引法に基づく表記 / ガイドライン）
   styles.css のデザイントークン（ネイビー・ゴールド・アイボリー）を継承します。
   ========================================================= */

/* ===== パンくずリスト ===== */

.breadcrumb-bar {
  background: var(--ivory-100);
  border-bottom: 1px solid var(--line-light);
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin: 0;
  padding: 14px 0;
  list-style: none;
  font-size: 13px;
  color: var(--text-sub);
}

.breadcrumb li {
  display: flex;
  align-items: center;
  gap: 6px;
}

.breadcrumb li:not(:last-child)::after {
  content: "\203A";
  color: var(--gold-500);
}

.breadcrumb a {
  color: var(--text-sub);
  border-bottom: 1px solid transparent;
}

.breadcrumb a:hover {
  color: var(--navy-900);
  border-bottom-color: var(--gold-500);
}

.breadcrumb li[aria-current="page"] {
  color: var(--navy-950);
  font-weight: 700;
}

/* ===== ページヒーロー ===== */

.legal-hero {
  background: linear-gradient(160deg, #071a2f 0%, #0b2340 60%, #12365a 100%);
  color: var(--white);
  padding-block: clamp(44px, 6vw, 72px) clamp(36px, 5vw, 56px);
}

.legal-hero__kicker {
  margin: 0 0 12px;
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--gold-200);
  letter-spacing: 0.03em;
}

.legal-hero__title {
  margin: 0 0 16px;
  font-family: var(--font-heading);
  font-size: clamp(30px, 3.4vw, 44px);
  font-weight: 800;
  line-height: 1.45;
}

.legal-hero__lead {
  margin: 0 0 14px;
  max-width: 720px;
  font-size: clamp(15px, 1.1vw, 17px);
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.86);
}

.legal-hero__meta {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  font-size: 0.86rem;
  color: rgba(255, 255, 255, 0.66);
}

/* ===== 本文レイアウト（目次＋記事） ===== */

.legal-main {
  background: var(--white);
  padding-block: clamp(44px, 6vw, 72px) clamp(80px, 8vw, 120px);
}

.legal-layout {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  gap: 64px;
  align-items: start;
}

.legal-toc {
  position: sticky;
  top: 92px;
  padding: 22px;
  background: var(--ivory-50);
  border: 1px solid var(--line-light);
  border-radius: 12px;
  max-height: calc(100vh - 120px);
  overflow-y: auto;
}

.legal-toc__label {
  margin: 0 0 12px;
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: var(--gold-deep);
}

.legal-toc__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 2px;
  counter-reset: toc;
}

.legal-toc__list a {
  display: block;
  padding: 7px 10px;
  border-radius: 6px;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--text-sub);
}

.legal-toc__list a:hover {
  background: rgba(201, 154, 61, 0.12);
  color: var(--navy-950);
}

.legal-toc__list a.is-active {
  background: var(--navy-950);
  color: var(--white);
  font-weight: 700;
}

.legal-toc-mobile {
  display: none;
}

/* ===== 本文タイポグラフィ ===== */

.legal-article {
  min-width: 0;
}

.legal-article > section {
  padding-top: 40px;
  scroll-margin-top: 92px;
}

.legal-article > section:first-child {
  padding-top: 0;
}

.legal-article > section + section {
  border-top: 1px solid var(--line-light);
}

.legal-article h2 {
  margin: 0 0 20px;
  font-family: var(--font-heading);
  font-size: clamp(21px, 1.9vw, 26px);
  font-weight: 800;
  color: var(--navy-950);
  line-height: 1.55;
  scroll-margin-top: 92px;
}

.legal-article h3 {
  margin: 28px 0 12px;
  font-family: var(--font-heading);
  font-size: clamp(17px, 1.3vw, 19px);
  font-weight: 800;
  color: var(--navy-900);
  scroll-margin-top: 92px;
}

.legal-article p {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 2;
  color: var(--text-sub);
}

.legal-article ul,
.legal-article ol {
  margin: 0 0 16px;
  padding-left: 1.5em;
}

.legal-article li {
  font-size: 16px;
  line-height: 1.9;
  color: var(--text-sub);
  margin-bottom: 6px;
}

.legal-article li > ul,
.legal-article li > ol {
  margin-top: 8px;
  margin-bottom: 0;
}

.legal-article strong {
  color: var(--navy-950);
}

.legal-article a {
  color: var(--navy-900);
  border-bottom: 1px solid var(--gold-500);
}

.legal-article a:hover {
  color: var(--gold-deep);
}

.legal-lead {
  font-size: 16px;
  color: var(--text-sub);
  margin: 0 0 32px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line-light);
}

/* ===== コールアウト（補足・注意喚起） ===== */

.legal-callout {
  position: relative;
  margin: 34px 0 24px;
  padding: 32px 28px 26px;
  border: 2px solid var(--gold-500);
  border-radius: 14px;
  background: var(--white);
}

.legal-callout p:not(.legal-callout__label),
.legal-callout li {
  font-size: 17px;
  font-weight: 500;
  line-height: 1.8;
  color: var(--text-main);
}

.legal-callout p:last-child {
  margin-bottom: 0;
}

.legal-callout--warning {
  border-color: var(--navy-900);
}

.legal-callout__label {
  position: absolute;
  top: 0;
  left: 22px;
  transform: translateY(-50%);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 0;
  padding: 8px 18px;
  border-radius: 999px;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--white);
  background: var(--gold-deep);
  white-space: nowrap;
}

.legal-callout__label span {
  color: var(--white);
}

.legal-callout__label-icon {
  flex-shrink: 0;
  width: 19px;
  height: 19px;
  color: var(--white);
}

.legal-callout--warning .legal-callout__label {
  background: var(--navy-900);
}

.legal-callout__critical {
  font-weight: 700;
  color: #b3251d;
}

/* ===== 表 ===== */

.legal-table-wrap {
  margin: 0 0 24px;
  overflow-x: auto;
  border: 1px solid var(--line-light);
  border-radius: 10px;
}

.legal-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 460px;
}

.legal-table th,
.legal-table td {
  padding: 12px 16px;
  font-size: 14.5px;
  line-height: 1.75;
  text-align: left;
  border-bottom: 1px solid var(--line-light);
  color: var(--text-sub);
  vertical-align: top;
}

.legal-table th {
  background: var(--navy-950);
  color: var(--white);
  font-weight: 700;
  white-space: nowrap;
}

.legal-table tr:last-child td {
  border-bottom: none;
}

.legal-table td strong {
  color: var(--navy-950);
}

.is-placeholder {
  color: var(--gold-deep);
  font-weight: 700;
}

/* ===== カード（ガイドライン等） ===== */

.legal-card-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  margin: 0 0 24px;
}

.legal-card {
  padding: 24px 26px;
  background: var(--ivory-50);
  border: 1px solid var(--line-light);
  border-radius: 12px;
}

.legal-card--good {
  border-color: var(--gold-500);
}

.legal-card--bad {
  border-color: var(--silver);
}

.legal-card__label {
  display: inline-block;
  margin: 0 0 12px;
  padding: 3px 12px;
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 800;
  color: var(--white);
  background: var(--gold-deep);
}

.legal-card--bad .legal-card__label {
  color: var(--navy-950);
  background: var(--silver);
}

.legal-card ul {
  margin: 0;
  padding-left: 1.2em;
}

.legal-card li {
  font-size: 15px;
  margin-bottom: 8px;
}

.legal-card li:last-child {
  margin-bottom: 0;
}

/* ===== ステップ（紹介までの流れ） ===== */

.legal-steps {
  display: grid;
  gap: 0;
  margin: 0 0 24px;
}

.legal-step {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 16px;
  padding: 18px 0;
  border-top: 1px solid var(--line-light);
}

.legal-step:first-child {
  border-top: none;
}

.legal-step__index {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--gold-deep);
}

.legal-step__title {
  margin: 0 0 4px;
  font-weight: 800;
  color: var(--navy-950);
  font-size: 16px;
}

.legal-step__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-sub);
}

/* ===== FAQヒント（アコーディオン導線） ===== */

.legal-faq-hint {
  margin: -8px 0 24px;
  font-size: 0.88rem;
  color: var(--text-sub);
}

/* ===== 目次に戻る導線・ページ内リンク見出し ===== */

.legal-anchor-note {
  font-size: 13px;
  color: var(--text-sub);
}

.legal-anchor-note a {
  border-bottom: 1px solid var(--gold-500);
  color: var(--text-sub);
}

/* ===== スクロールトップボタン ===== */

.back-to-top {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 45;
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: none;
  background: linear-gradient(180deg, var(--gold-400), var(--gold-500));
  color: var(--navy-950);
  box-shadow: 0 6px 16px rgba(7, 26, 47, 0.22);
  cursor: pointer;
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.back-to-top.is-visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.back-to-top svg {
  width: 18px;
  height: 18px;
}

/* ===== レスポンシブ ===== */

@media (max-width: 959px) {
  .legal-layout {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .legal-toc {
    display: none;
  }

  .legal-toc-mobile {
    display: block;
    margin-bottom: 8px;
    border: 1px solid var(--line-light);
    border-radius: 10px;
    background: var(--ivory-50);
    padding: 0 20px;
  }

  .legal-toc-mobile summary {
    padding: 14px 0;
    font-weight: 800;
    font-size: 15px;
    color: var(--navy-950);
    cursor: pointer;
  }

  .legal-toc-mobile[open] summary {
    border-bottom: 1px solid var(--line-light);
  }

  .legal-toc-mobile .legal-toc__list {
    padding: 12px 0 16px;
  }

  .legal-toc-mobile .legal-toc__list a {
    padding: 9px 4px;
  }
}

@media (max-width: 719px) {
  .legal-hero {
    padding-block: 40px 32px;
  }

  .legal-hero__title {
    font-size: clamp(24px, 7vw, 30px);
  }

  .legal-article h2 {
    font-size: clamp(19px, 5.4vw, 22px);
  }

  .legal-article p,
  .legal-article li {
    font-size: 15.5px;
  }

  .legal-card-grid {
    grid-template-columns: 1fr;
  }

  .legal-step {
    grid-template-columns: 32px 1fr;
  }

  .back-to-top {
    right: 16px;
    bottom: 16px;
    width: 44px;
    height: 44px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .back-to-top {
    transition: none;
  }
}