/* =========================================
   Legal Pages Styles (利用規約 / プライバシーポリシー)
   Design: client LP (依頼者側) のデザインを踏襲（シンプル・枠なし）
   Tokens: primary #2563EB / accent #F59E0B / Noto Sans JP + Inter
   ========================================= */

:root {
  --color-primary: #2563EB;
  --color-primary-dark: #1D4ED8;
  --color-accent: #F59E0B;

  --color-bg: #ffffff;
  --color-text-primary: #1e293b;
  --color-text-secondary: #475569;
  --color-text-muted: #94a3b8;

  --color-border: #e2e8f0;
  --color-border-light: #eef2f6;

  --font-jp: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', 'メイリオ', sans-serif;
  --font-en: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  --legal-width: 820px;
  --container-padding: 24px;

  --transition-fast: 0.15s ease;
  --transition-base: 0.3s ease;
}

/* ----------------- Reset & Base ----------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-jp);
  background: var(--color-bg);
  color: var(--color-text-primary);
  line-height: 1.9;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }

/* ----------------- Header ----------------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  max-width: var(--legal-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.site-header__logo {
  font-family: var(--font-en);
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--color-primary);
}

.site-header__nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

.site-header__link {
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  font-weight: 500;
  transition: color var(--transition-fast);
}

.site-header__link:hover { color: var(--color-primary); }
.site-header__link.is-active { color: var(--color-primary); font-weight: 700; }

/* ----------------- Hero ----------------- */
.legal-hero {
  padding: 116px 0 28px;
  border-bottom: 1px solid var(--color-border);
}

.legal-hero__inner {
  max-width: var(--legal-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.legal-hero__eyebrow {
  font-family: var(--font-en);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.legal-hero__title {
  font-size: 1.875rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--color-text-primary);
}

/* ----------------- Layout ----------------- */
.legal-main { padding: 40px 0 88px; }

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

.legal-lead {
  font-size: 1rem;
  color: var(--color-text-secondary);
  margin-bottom: 40px;
}

/* ----------------- Table of Contents ----------------- */
.legal-toc { margin-bottom: 56px; }

.legal-toc__title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-border);
}

.legal-toc__list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 6px 32px;
}

.legal-toc__link {
  display: flex;
  gap: 10px;
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  padding: 3px 0;
  transition: color var(--transition-fast);
}

.legal-toc__link:hover { color: var(--color-primary); }

.legal-toc__num {
  flex-shrink: 0;
  font-family: var(--font-en);
  font-weight: 700;
  color: var(--color-primary);
}

/* ----------------- Chapter ----------------- */
.legal-chapter { margin-bottom: 44px; scroll-margin-top: 80px; }

.legal-chapter__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 10px;
  margin-bottom: 24px;
  border-bottom: 2px solid var(--color-border);
}

.legal-chapter__badge {
  flex-shrink: 0;
  font-family: var(--font-en);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-primary);
}

.legal-chapter__title {
  font-size: 1.3125rem;
  font-weight: 700;
  color: var(--color-text-primary);
  line-height: 1.4;
}

/* ----------------- Article ----------------- */
.legal-article { margin-bottom: 30px; }

.legal-article__title {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 12px;
  line-height: 1.5;
}

.legal-article p { color: var(--color-text-secondary); margin-bottom: 12px; }
.legal-article p:last-child { margin-bottom: 0; }

/* 本文内リンク */
.legal-article a, .legal-box a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--transition-fast);
}
.legal-article a:hover, .legal-box a:hover { color: var(--color-primary-dark); }

/* Ordered list (1. 2. 3.) */
.legal-list { counter-reset: item; margin: 0 0 12px; }
.legal-list > li {
  position: relative;
  padding-left: 28px;
  margin-bottom: 10px;
  color: var(--color-text-secondary);
}
.legal-list > li:last-child { margin-bottom: 0; }
.legal-list > li::before {
  counter-increment: item;
  content: counter(item) ".";
  position: absolute;
  left: 0; top: 0;
  font-family: var(--font-en);
  font-weight: 700;
  color: var(--color-primary);
}

/* CJK ordered list (一 二 三) */
.legal-list--cjk { counter-reset: cjk; margin-top: 8px; }
.legal-list--cjk > li {
  position: relative;
  padding-left: 28px;
  margin-bottom: 8px;
  color: var(--color-text-secondary);
}
.legal-list--cjk > li::before {
  counter-increment: cjk;
  content: counter(cjk, cjk-ideographic);
  position: absolute;
  left: 0; top: 0;
  font-weight: 700;
  color: var(--color-primary);
}

/* Bullet list (・) */
.legal-bullets { margin: 8px 0 12px; }
.legal-bullets > li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 7px;
  color: var(--color-text-secondary);
}
.legal-bullets > li::before {
  content: '';
  position: absolute;
  left: 2px; top: 12px;
  width: 5px; height: 5px;
  background: var(--color-text-muted);
  border-radius: 50%;
}

.legal-list .legal-bullets { margin-top: 8px; }

/* Definition list (用語定義) */
.legal-defs { display: flex; flex-direction: column; }
.legal-defs > div {
  padding: 12px 0;
  border-bottom: 1px solid var(--color-border-light);
}
.legal-defs > div:last-child { border-bottom: none; }
.legal-defs dt {
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 3px;
}
.legal-defs dd { color: var(--color-text-secondary); }

/* Key-value rows (計算例・スケジュール・事業者情報) */
.legal-box { margin: 10px 0 12px; padding-left: 14px; border-left: 2px solid var(--color-border); }
.legal-box__caption {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 8px;
}
.legal-box__row {
  display: flex;
  gap: 16px;
  padding: 4px 0;
  font-size: 0.9375rem;
}
.legal-box__label {
  flex-shrink: 0;
  min-width: 170px;
  font-weight: 500;
  color: var(--color-text-primary);
}
.legal-box__value { color: var(--color-text-secondary); }

/* Table (推奨フォーマット例) — 横罫のみのシンプル表 */
.legal-table {
  width: 100%;
  border-collapse: collapse;
  margin: 10px 0 12px;
  font-size: 0.9375rem;
}
.legal-table th, .legal-table td {
  text-align: left;
  padding: 9px 12px 9px 0;
  border-bottom: 1px solid var(--color-border-light);
}
.legal-table thead th {
  color: var(--color-text-primary);
  font-weight: 700;
  border-bottom: 2px solid var(--color-border);
}
.legal-table td.is-num {
  font-family: var(--font-en);
  white-space: nowrap;
  color: var(--color-text-secondary);
}
.legal-table tfoot td {
  font-weight: 700;
  color: var(--color-text-primary);
  border-bottom: none;
}

/* Note (※) — 枠なしの控えめ注記 */
.legal-note {
  margin: 12px 0 0;
  padding-left: 1.4em;
  text-indent: -1.4em;
  font-size: 0.9rem;
  color: var(--color-text-muted);
}
.legal-note::before { content: '※ '; color: var(--color-primary); font-weight: 700; }

.legal-article__subhead {
  font-weight: 700;
  color: var(--color-text-primary);
  margin: 6px 0 8px;
}

/* Closing block (制定日) */
.legal-closing {
  margin-top: 44px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
  text-align: right;
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  line-height: 1.8;
}
.legal-closing strong { color: var(--color-text-primary); font-weight: 700; }

/* ----------------- Footer ----------------- */
.footer {
  background: var(--color-text-primary);
  color: rgba(255, 255, 255, 0.7);
  padding: 56px 0 28px;
}
.footer__container { max-width: var(--legal-width); margin: 0 auto; padding: 0 var(--container-padding); }
.footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 40px;
  margin-bottom: 40px;
}
.footer__brand { font-size: 1.25rem; font-weight: 700; color: #fff; margin-bottom: 12px; }
.footer__nav-title { color: #fff; font-weight: 700; margin-bottom: 14px; }
.footer__nav-list { display: flex; flex-direction: column; gap: 8px; }
.footer__nav-link { font-size: 0.875rem; transition: color var(--transition-fast); }
.footer__nav-link:hover { color: #fff; }
.footer__bottom {
  text-align: center;
  padding-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 0.875rem;
}

/* ----------------- Responsive ----------------- */
@media (max-width: 768px) {
  .site-header__nav { gap: 16px; }
  .site-header__link { font-size: 0.8125rem; }
  .legal-hero { padding: 100px 0 24px; }
  .legal-hero__title { font-size: 1.5rem; }
  .legal-toc__list { grid-template-columns: 1fr; }
  .legal-chapter__title { font-size: 1.1875rem; }
  .legal-box__row { flex-direction: column; gap: 2px; }
  .legal-box__label { min-width: 0; }
  .footer__inner { flex-direction: column; gap: 28px; }
}

@media (max-width: 480px) {
  :root { --container-padding: 16px; }
  .legal-hero__title { font-size: 1.375rem; }
  .site-header__logo { font-size: 1.25rem; }
}