/* =========================================================
   ゼロから行政書士  -  デザインシステム
   初学者にやさしい・親しみやすい学習サイト
   ========================================================= */

:root {
  /* --- カラーパレット --- */
  --c-primary:      #4f6ef2;   /* 信頼の青（メイン） */
  --c-primary-dark: #3a55d6;
  --c-primary-soft: #eef1ff;
  --c-accent:       #ff7a59;   /* 元気なコーラル（アクセント） */
  --c-accent-soft:  #fff0eb;
  --c-mint:         #2bc4a6;   /* たとえ話などの差し色 */
  --c-mint-soft:    #e6faf6;
  --c-amber:        #ffb020;   /* ポイント・注意 */
  --c-amber-soft:   #fff6e3;
  --c-pink:         #ff6f9c;
  --c-pink-soft:    #ffeef3;

  --c-ink:     #2b2f3a;        /* 本文 */
  --c-ink-2:   #5b616e;        /* 補足テキスト */
  --c-line:    #e7e9f0;        /* 罫線 */
  --c-bg:      #f7f8fc;        /* ページ背景 */
  --c-white:   #ffffff;

  /* --- タイポ --- */
  --font: "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Noto Sans JP",
          "Yu Gothic", "Meiryo", system-ui, sans-serif;

  /* --- 形 --- */
  --radius:    18px;
  --radius-sm: 12px;
  --shadow:    0 8px 28px rgba(60, 70, 120, 0.10);
  --shadow-sm: 0 4px 14px rgba(60, 70, 120, 0.08);
  --maxw:      1080px;
}

/* =========================================================
   リセット & ベース
   ========================================================= */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--c-ink);
  background: var(--c-bg);
  line-height: 1.85;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; height: auto; display: block; }
a { color: var(--c-primary); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4 { line-height: 1.4; font-weight: 800; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }
.narrow { max-width: 760px; }

/* =========================================================
   ヘッダー / ナビ（main.jsが注入）
   ========================================================= */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,0.88);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--c-line);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.nav__brand { display: flex; align-items: center; gap: 10px; font-weight: 900; font-size: 19px; color: var(--c-ink); }
.nav__brand:hover { text-decoration: none; }
.nav__brand .logo-owl { width: 34px; height: 34px; flex: none; }
.nav__links { display: flex; align-items: center; gap: 4px; list-style: none; margin: 0; padding: 0; }
.nav__links a {
  display: inline-block; padding: 8px 14px; border-radius: 999px;
  color: var(--c-ink-2); font-weight: 700; font-size: 15px;
}
.nav__links a:hover { background: var(--c-primary-soft); color: var(--c-primary-dark); text-decoration: none; }
.nav__cta {
  background: var(--c-primary); color: #fff !important;
  box-shadow: var(--shadow-sm);
}
.nav__cta:hover { background: var(--c-primary-dark) !important; }
.nav__toggle { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav__toggle span { display: block; width: 24px; height: 2.5px; background: var(--c-ink); margin: 5px 0; border-radius: 2px; transition: .25s; }

@media (max-width: 820px) {
  .nav__toggle { display: block; }
  .nav__links {
    position: absolute; top: 64px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: #fff; border-bottom: 1px solid var(--c-line);
    padding: 8px; box-shadow: var(--shadow);
    transform: translateY(-12px); opacity: 0; pointer-events: none; transition: .2s;
  }
  .nav__links.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .nav__links a { padding: 14px; border-radius: 12px; }
  .nav__cta { text-align: center; margin-top: 4px; }
}

/* =========================================================
   ボタン
   ========================================================= */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 26px; border-radius: 999px; font-weight: 800; font-size: 16px;
  cursor: pointer; border: 0; transition: transform .12s, box-shadow .2s;
}
.btn:hover { text-decoration: none; transform: translateY(-2px); }
.btn--primary { background: var(--c-primary); color: #fff; box-shadow: var(--shadow-sm); }
.btn--primary:hover { background: var(--c-primary-dark); }
.btn--accent { background: var(--c-accent); color: #fff; box-shadow: var(--shadow-sm); }
.btn--ghost { background: #fff; color: var(--c-primary); border: 2px solid var(--c-primary-soft); }

/* =========================================================
   ヒーロー
   ========================================================= */
.hero {
  position: relative; overflow: hidden;
  background:
    radial-gradient(1200px 400px at 85% -10%, var(--c-accent-soft), transparent 60%),
    radial-gradient(900px 500px at 0% 110%, var(--c-mint-soft), transparent 55%),
    linear-gradient(180deg, #fbfcff, var(--c-bg));
}
.hero__inner {
  display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 40px; align-items: center;
  padding: 64px 20px 56px;
}
.hero__eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  background: #fff; border: 1px solid var(--c-line); color: var(--c-primary-dark);
  font-weight: 800; font-size: 13px; padding: 7px 14px; border-radius: 999px;
  box-shadow: var(--shadow-sm);
}
.hero h1 { font-size: clamp(30px, 5vw, 48px); margin: 18px 0 10px; letter-spacing: 0.02em; }
.hero h1 .mark { color: var(--c-primary); position: relative; }
.hero h1 .mark::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 4px; height: 12px;
  background: var(--c-amber-soft); z-index: -1; border-radius: 4px;
}
.hero__lead { font-size: 17px; color: var(--c-ink-2); margin: 0 0 26px; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hero__stats { display: flex; gap: 26px; margin-top: 28px; }
.hero__stat b { display: block; font-size: 26px; color: var(--c-ink); }
.hero__stat span { font-size: 13px; color: var(--c-ink-2); }
.hero__art { display: flex; justify-content: center; }
.hero__art svg { width: 100%; max-width: 380px; filter: drop-shadow(0 16px 30px rgba(80,90,160,.18)); }

@media (max-width: 820px) {
  .hero__inner { grid-template-columns: 1fr; text-align: center; padding-top: 40px; }
  .hero__actions { justify-content: center; }
  .hero__stats { justify-content: center; }
  .hero__art { order: -1; }
  .hero__art svg { max-width: 260px; }
}

/* =========================================================
   セクション共通
   ========================================================= */
.section { padding: 64px 0; }
.section--soft { background: #fff; }
.section__head { text-align: center; max-width: 640px; margin: 0 auto 44px; }
.section__tag {
  display: inline-block; font-weight: 800; font-size: 13px; letter-spacing: .08em;
  color: var(--c-primary); background: var(--c-primary-soft);
  padding: 5px 14px; border-radius: 999px; margin-bottom: 14px;
}
.section__head h2 { font-size: clamp(24px, 4vw, 34px); margin: 0 0 12px; }
.section__head p { color: var(--c-ink-2); margin: 0; font-size: 16px; }

/* =========================================================
   「なぜ学ぶ？」特徴カード
   ========================================================= */
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.feature {
  background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius);
  padding: 28px 24px; box-shadow: var(--shadow-sm); transition: transform .15s, box-shadow .2s;
}
.feature:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.feature__icon {
  width: 56px; height: 56px; border-radius: 16px; display: grid; place-items: center;
  margin-bottom: 16px; font-size: 28px;
}
.feature h3 { margin: 0 0 8px; font-size: 19px; }
.feature p { margin: 0; color: var(--c-ink-2); font-size: 15px; }
@media (max-width: 820px) { .feature-grid { grid-template-columns: 1fr; } }

/* =========================================================
   ロードマップ（レッスン一覧）
   ========================================================= */
.roadmap { position: relative; }
.quest-chapter { margin-bottom: 40px; }
.quest-chapter__head { display: flex; align-items: center; gap: 14px; margin-bottom: 18px; }
.quest-chapter__badge {
  width: 46px; height: 46px; border-radius: 14px; flex: none;
  display: grid; place-items: center; font-weight: 900; font-size: 18px; color: #fff;
}
.quest-chapter__head h3 { margin: 0; font-size: 22px; }
.quest-chapter__head p { margin: 2px 0 0; font-size: 14px; color: var(--c-ink-2); }

.quest-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.quest-card {
  display: flex; align-items: center; gap: 14px;
  background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius-sm);
  padding: 16px 18px; box-shadow: var(--shadow-sm);
  transition: transform .12s, box-shadow .2s; position: relative;
}
.quest-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); text-decoration: none; }
.quest-card__no {
  width: 38px; height: 38px; flex: none; border-radius: 10px;
  display: grid; place-items: center; font-weight: 900; font-size: 15px;
  background: var(--c-primary-soft); color: var(--c-primary-dark);
}
.quest-card__body { flex: 1; min-width: 0; }
.quest-card__body b { display: block; font-size: 16px; color: var(--c-ink); }
.quest-card__body span { font-size: 13px; color: var(--c-ink-2); }
.quest-card__check {
  width: 24px; height: 24px; flex: none; border-radius: 50%;
  border: 2px solid var(--c-line); display: grid; place-items: center;
  color: transparent; font-size: 14px; font-weight: 900;
}
.quest-card.is-done .quest-card__check { background: var(--c-mint); border-color: var(--c-mint); color: #fff; }
.quest-card.is-done .quest-card__no { background: var(--c-mint-soft); color: var(--c-mint); }
.quest-card.is-coming { opacity: .55; pointer-events: none; }
.quest-card.is-coming::after {
  content: "準備中"; position: absolute; top: 10px; right: 12px;
  font-size: 11px; font-weight: 800; color: var(--c-ink-2);
  background: var(--c-bg); padding: 2px 8px; border-radius: 999px;
}
@media (max-width: 820px) { .quest-list { grid-template-columns: 1fr; } }

/* =========================================================
   レッスン記事本文
   ========================================================= */
.lesson { background: #fff; }
.lesson__hero {
  background:
    radial-gradient(800px 300px at 90% -20%, var(--c-primary-soft), transparent 60%),
    linear-gradient(180deg, #fbfcff, #fff);
  border-bottom: 1px solid var(--c-line);
  padding: 40px 0 34px;
}
.breadcrumb { font-size: 13px; color: var(--c-ink-2); margin-bottom: 14px; }
.breadcrumb a { color: var(--c-ink-2); }
.lesson__meta { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
.chip {
  font-size: 12px; font-weight: 800; padding: 5px 12px; border-radius: 999px;
  background: var(--c-primary-soft); color: var(--c-primary-dark);
}
.chip--accent { background: var(--c-accent-soft); color: #d9532f; }
.chip--mint { background: var(--c-mint-soft); color: #1a8a74; }
.lesson__hero h1 { font-size: clamp(26px, 4.5vw, 38px); margin: 0 0 8px; }
.lesson__hero .sub { color: var(--c-ink-2); font-size: 16px; margin: 0; }

.article { padding: 44px 0 20px; }
.article p { margin: 0 0 20px; font-size: 16.5px; }
.article h2 {
  font-size: 26px; margin: 48px 0 18px; padding-left: 16px;
  border-left: 6px solid var(--c-primary); line-height: 1.45;
}
.article h3 { font-size: 20px; margin: 34px 0 12px; color: var(--c-primary-dark); }
.article strong { color: var(--c-ink); background: linear-gradient(transparent 62%, var(--c-amber-soft) 62%); font-weight: 800; padding: 0 2px; }
.article ul, .article ol { margin: 0 0 22px; padding-left: 1.4em; }
.article li { margin-bottom: 8px; }
.article a { font-weight: 700; text-decoration: underline; text-underline-offset: 3px; }

/* たとえ話ボックス */
.callout {
  border-radius: var(--radius); padding: 22px 24px 22px 64px; margin: 28px 0;
  position: relative; font-size: 16px; box-shadow: var(--shadow-sm);
}
.callout::before {
  position: absolute; left: 20px; top: 20px; font-size: 26px; line-height: 1;
}
.callout p:last-child { margin-bottom: 0; }
.callout b { display: block; margin-bottom: 6px; font-size: 15px; }
.callout--tatoe { background: var(--c-mint-soft); border: 1px solid #c8f0e8; }
.callout--tatoe::before { content: "💡"; }
.callout--tatoe b { color: #1a8a74; }
.callout--rei { background: var(--c-primary-soft); border: 1px solid #d9e0ff; }
.callout--rei::before { content: "📝"; }
.callout--rei b { color: var(--c-primary-dark); }
.callout--point { background: var(--c-amber-soft); border: 1px solid #ffe6b0; }
.callout--point::before { content: "⭐"; }
.callout--point b { color: #b5790a; }
.callout--chui { background: var(--c-accent-soft); border: 1px solid #ffd6c8; }
.callout--chui::before { content: "⚠️"; }
.callout--chui b { color: #d9532f; }

/* キャラクターの会話 */
.talk { display: flex; gap: 14px; align-items: flex-start; margin: 26px 0; }
.talk__avatar { width: 56px; height: 56px; flex: none; }
.talk__bubble {
  position: relative; background: #fff; border: 2px solid var(--c-line);
  border-radius: 16px; padding: 14px 18px; font-size: 15.5px; box-shadow: var(--shadow-sm);
}
.talk__bubble::before {
  content: ""; position: absolute; left: -10px; top: 18px;
  border: 8px solid transparent; border-right-color: #fff; }
.talk__bubble::after {
  content: ""; position: absolute; left: -13px; top: 17px;
  border: 9px solid transparent; border-right-color: var(--c-line); z-index: -1; }
.talk--right { flex-direction: row-reverse; }
.talk--right .talk__bubble { background: var(--c-primary-soft); border-color: #d9e0ff; }
.talk--right .talk__bubble::before { left: auto; right: -10px; border-right-color: transparent; border-left-color: var(--c-primary-soft); }
.talk--right .talk__bubble::after { left: auto; right: -13px; border-right-color: transparent; border-left-color: #d9e0ff; }

/* イラスト図解枠 */
.figure { margin: 30px 0; text-align: center; }
.figure svg { width: 100%; max-width: 560px; margin: 0 auto; }
.figure figcaption { font-size: 13px; color: var(--c-ink-2); margin-top: 10px; }

/* ○×ミニクイズ */
.quiz {
  background: #fff; border: 2px dashed var(--c-primary-soft);
  border-radius: var(--radius); padding: 24px; margin: 30px 0;
}
.quiz__q { font-weight: 800; font-size: 17px; margin: 0 0 14px; }
.quiz__q .quiz__label { color: var(--c-accent); margin-right: 6px; }
.quiz__opts { display: flex; gap: 10px; margin-bottom: 8px; }
.quiz__opt {
  flex: 1; padding: 12px; border-radius: 12px; border: 2px solid var(--c-line);
  background: #fff; font-weight: 800; font-size: 16px; cursor: pointer; transition: .15s;
}
.quiz__opt:hover { border-color: var(--c-primary); background: var(--c-primary-soft); }
.quiz__opt.correct { border-color: var(--c-mint); background: var(--c-mint-soft); color: #1a8a74; }
.quiz__opt.wrong { border-color: var(--c-accent); background: var(--c-accent-soft); color: #d9532f; }
.quiz__exp { margin: 6px 0 0; font-size: 15px; color: var(--c-ink-2); display: none; }
.quiz__exp.show { display: block; }

/* まとめボックス */
.summary {
  background: linear-gradient(135deg, var(--c-primary-soft), #fff);
  border: 1px solid #d9e0ff; border-radius: var(--radius); padding: 26px 28px; margin: 40px 0;
}
.summary h3 { margin: 0 0 14px; color: var(--c-primary-dark); display: flex; align-items: center; gap: 8px; }
.summary ul { margin: 0; padding-left: 0; list-style: none; }
.summary li { padding-left: 30px; position: relative; margin-bottom: 10px; }
.summary li::before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--c-mint); font-weight: 900; }

/* 前後ナビ */
.lesson-nav { display: flex; justify-content: space-between; gap: 14px; margin: 50px 0 10px; }
.lesson-nav a {
  flex: 1; background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius-sm);
  padding: 16px 20px; box-shadow: var(--shadow-sm); transition: .15s;
}
.lesson-nav a:hover { box-shadow: var(--shadow); transform: translateY(-2px); text-decoration: none; }
.lesson-nav span { font-size: 12px; color: var(--c-ink-2); }
.lesson-nav b { display: block; color: var(--c-ink); }
.lesson-nav .next { text-align: right; }
.lesson-nav .prev:empty, .lesson-nav .disabled { visibility: hidden; }
@media (max-width: 560px) { .lesson-nav { flex-direction: column; } }

/* このページでわかること（学習ゴール） */
.goal {
  background: #fff; border: 1px solid var(--c-line); border-top: 4px solid var(--c-primary);
  border-radius: var(--radius); padding: 22px 26px; margin: 0 0 30px; box-shadow: var(--shadow-sm);
}
.goal h2 { font-size: 17px; margin: 0 0 12px; padding: 0; border: 0; display: flex; align-items: center; gap: 8px; color: var(--c-primary-dark); }
.goal ol { margin: 0; padding-left: 0; list-style: none; counter-reset: g; }
.goal li {
  position: relative; padding: 6px 0 6px 38px; font-size: 15.5px; font-weight: 700; color: var(--c-ink);
  counter-increment: g;
}
.goal li::before {
  content: counter(g); position: absolute; left: 0; top: 6px;
  width: 24px; height: 24px; border-radius: 50%; background: var(--c-primary-soft);
  color: var(--c-primary-dark); font-size: 13px; font-weight: 900; display: grid; place-items: center;
}

/* 完了ボタン */
.complete-bar { text-align: center; margin: 30px 0; }

/* =========================================================
   広告枠（収益化）
   ========================================================= */
.ad-slot {
  margin: 32px auto; max-width: 728px; text-align: center;
  background: repeating-linear-gradient(45deg, #fafbff, #fafbff 10px, #f3f5fc 10px, #f3f5fc 20px);
  border: 1px dashed var(--c-line); border-radius: var(--radius-sm);
  min-height: 100px; display: grid; place-items: center; color: #aeb4c4;
  font-size: 13px; padding: 12px;
}
.ad-slot__label { font-size: 11px; letter-spacing: .1em; color: #c2c7d6; }
.ad-slot--inline { max-width: 100%; }

/* =========================================================
   ストーリー（連続キャラの物語で理解する）
   ========================================================= */
.story {
  position: relative; margin: 30px 0;
  background: linear-gradient(180deg, #fffdf6, #fff7e8);
  border: 1px solid #f0e3c5; border-left: 6px solid var(--c-amber);
  border-radius: var(--radius); padding: 20px 24px 20px 24px;
  box-shadow: var(--shadow-sm);
}
.story__title {
  display: inline-flex; align-items: center; gap: 8px;
  font-weight: 900; font-size: 14px; color: #b5790a;
  background: #fff3d6; padding: 5px 14px; border-radius: 999px; margin-bottom: 14px;
}
.story p { margin: 0 0 12px; font-size: 16px; }
.story p:last-child { margin-bottom: 0; }
.story .who { font-weight: 800; color: var(--c-primary-dark); }
.story .who--k { color: #c2317c; }       /* カエデ */
.story .who--h { color: #2877c2; }        /* ハジメ */
.story .serif {                            /* セリフ */
  display: block; background: #fff; border: 1px solid #f0e3c5; border-radius: 12px;
  padding: 10px 14px; margin: 8px 0; font-size: 15.5px;
}
.story__point {                            /* 物語→ルールへの橋渡し */
  margin-top: 14px; padding-top: 12px; border-top: 1px dashed #e6d4a8;
  font-size: 15px; color: var(--c-ink);
}
.story__point b { color: #b5790a; }

/* 解説ページ→ストーリーページへのリンクボタン */
.story-link { margin: 26px 0; text-align: center; }
.story-link a {
  display: inline-flex; align-items: center; gap: 10px;
  background: linear-gradient(135deg, #fff3d6, #ffe6ab);
  color: #8a5a00; border: 1px solid #f0d68a; border-radius: 999px;
  padding: 14px 28px; font-weight: 800; font-size: 16px; box-shadow: var(--shadow-sm);
}
.story-link a:hover { text-decoration: none; transform: translateY(-2px); box-shadow: var(--shadow); }
.story-link .sub { display: block; font-size: 12.5px; color: var(--c-ink-2); font-weight: 600; margin-top: 6px; }

/* 登場人物紹介カード */
.cast { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin: 24px 0; }
.cast__card { background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius-sm); padding: 16px; text-align: center; box-shadow: var(--shadow-sm); }
.cast__face { font-size: 34px; }
.cast__card b { display: block; margin: 6px 0 4px; font-size: 16px; }
.cast__card span { font-size: 13px; color: var(--c-ink-2); }
@media (max-width: 640px){ .cast { grid-template-columns: 1fr; } }

/* =========================================================
   フッター
   ========================================================= */
.site-footer { background: #1f2330; color: #c5c9d6; padding: 50px 0 30px; margin-top: 60px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 30px; }
.site-footer h4 { color: #fff; font-size: 15px; margin: 0 0 14px; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: 8px; }
.site-footer a { color: #dfe3ec; font-size: 14px; }
.site-footer a:hover { color: #fff; }
/* 応援リンクを目立たせる（ボタン風） */
.footer-support {
  display: inline-block; background: var(--c-accent); color: #fff !important;
  padding: 8px 18px; border-radius: 999px; font-weight: 800; margin-top: 2px;
  box-shadow: 0 4px 12px rgba(255,122,89,.35);
}
.footer-support:hover { background: #e85f3d; color: #fff !important; text-decoration: none; transform: translateY(-1px); }
.footer-brand { display: flex; align-items: center; gap: 10px; font-weight: 900; color: #fff; font-size: 18px; margin-bottom: 10px; }
.footer-brand .logo-owl { width: 32px; height: 32px; }
.footer-note { font-size: 13px; color: #c2c7d4; line-height: 1.8; }
.footer-bottom { border-top: 1px solid #343a4a; margin-top: 30px; padding-top: 20px; text-align: center; font-size: 13px; color: #b3b9c6; }
@media (max-width: 820px) { .footer-grid { grid-template-columns: 1fr; gap: 24px; } }

/* =========================================================
   比較表
   ========================================================= */
.tbl-wrap { overflow-x: auto; margin: 26px 0; -webkit-overflow-scrolling: touch; }
.tbl {
  width: 100%; border-collapse: separate; border-spacing: 0; min-width: 540px;
  font-size: 15px; background: #fff; border-radius: var(--radius-sm); overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.tbl th, .tbl td { padding: 12px 14px; text-align: left; border-bottom: 1px solid var(--c-line); vertical-align: top; }
.tbl thead th { background: var(--c-primary); color: #fff; font-weight: 800; font-size: 14px; position: sticky; top: 0; }
.tbl tbody th { background: var(--c-primary-soft); color: var(--c-primary-dark); font-weight: 800; white-space: nowrap; }
.tbl tbody tr:nth-child(even) td { background: #fafbff; }
.tbl tbody tr:last-child th, .tbl tbody tr:last-child td { border-bottom: 0; }
.tbl .ok { color: #1a8a74; font-weight: 800; }
.tbl .ng { color: #d9532f; font-weight: 800; }
.tbl small { color: var(--c-ink-2); font-size: 12.5px; }
.tbl-note { font-size: 13px; color: var(--c-ink-2); margin: -14px 0 24px; }

/* 条文ミニ引用 */
.law {
  background: #fbfcff; border: 1px solid var(--c-line); border-left: 4px solid var(--c-ink-2);
  border-radius: 10px; padding: 12px 16px; margin: 18px 0; font-size: 14.5px; color: var(--c-ink-2);
}
.law b { color: var(--c-ink); }

/* 一問一答（クリックで答えを開く） */
.qa { margin: 24px 0; }
.qa details {
  background: #fff; border: 1px solid var(--c-line); border-radius: 12px;
  margin-bottom: 10px; box-shadow: var(--shadow-sm); overflow: hidden;
}
.qa summary {
  cursor: pointer; padding: 14px 18px; font-weight: 800; font-size: 15.5px; list-style: none;
  display: flex; align-items: center; gap: 10px; color: var(--c-ink);
}
.qa summary::-webkit-details-marker { display: none; }
.qa summary::before {
  content: "Q"; flex: none; width: 26px; height: 26px; border-radius: 8px;
  background: var(--c-primary-soft); color: var(--c-primary-dark);
  display: grid; place-items: center; font-size: 14px; font-weight: 900;
}
.qa summary::after { content: "＋"; margin-left: auto; color: var(--c-primary); font-weight: 900; }
.qa details[open] summary::after { content: "−"; }
.qa details[open] summary { border-bottom: 1px dashed var(--c-line); }
.qa__a { padding: 14px 18px 16px; font-size: 15px; background: var(--c-mint-soft); }
.qa__a b { color: #1a8a74; }

/* 過去問チャレンジ見出し */
.drill-head {
  display: flex; align-items: center; gap: 10px; margin: 44px 0 6px;
  font-size: 22px; font-weight: 800; color: var(--c-ink);
}
.drill-head .badge {
  font-size: 12px; font-weight: 800; color: #fff; background: var(--c-accent);
  padding: 4px 12px; border-radius: 999px;
}

/* =========================================================
   汎用ユーティリティ
   ========================================================= */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.fade-up { opacity: 0; transform: translateY(18px); transition: opacity .6s, transform .6s; }
.fade-up.in { opacity: 1; transform: none; }

/* =========================================================
   お問い合わせフォーム
   ========================================================= */
.form { max-width: 600px; margin: 30px auto 0; }
.form .field { margin-bottom: 18px; }
.form label { display: block; font-weight: 800; font-size: 15px; margin-bottom: 6px; color: var(--c-ink); }
.form input[type="text"],
.form input[type="email"],
.form textarea {
  width: 100%; padding: 13px 15px; font-size: 16px; font-family: inherit;
  border: 2px solid var(--c-line); border-radius: var(--radius-sm); background: #fff;
  color: var(--c-ink); transition: border-color .15s; box-sizing: border-box;
}
.form input:focus, .form textarea:focus { outline: none; border-color: var(--c-primary); }
.form textarea { resize: vertical; min-height: 130px; }
.form .form-note { font-size: 13px; color: var(--c-ink-2); margin: 4px 0 0; }
.form .submit-row { text-align: center; margin-top: 24px; }
.form button[type="submit"] { font-size: 16px; }