/* ===================================================================
   EV/V2H補助金シミュレーター — style.css
   =================================================================== */

/* ---------- リセット・基本設定 ---------- */
*, *::before, *::after {
  box-sizing: border-box;
}

:root {
  --color-bg: #f5f7f6;
  --color-surface: #ffffff;
  --color-border: #dfe5e2;
  --color-text: #1c2621;
  --color-text-muted: #5a6a63;
  --color-primary: #0f7a4a;
  --color-primary-dark: #0a5c37;
  --color-primary-soft: #e6f4ec;
  --color-accent: #1668c1;
  --color-warning-bg: #fff7e6;
  --color-warning-border: #f0c36d;
  --color-warning-text: #6b4c00;
  --color-danger: #b3261e;
  --radius-md: 10px;
  --radius-lg: 16px;
  --shadow-card: 0 2px 10px rgba(20, 40, 30, 0.06);
  --font-system: -apple-system, BlinkMacSystemFont, "Hiragino Sans",
    "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Yu Gothic", Meiryo,
    system-ui, sans-serif;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font-system);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;

  /* ===== 日本語改行ベース（ja-linebreak skill） ===== */
  word-break: auto-phrase;
  overflow-wrap: break-word;
  line-break: strict;
}

h1, h2, h3, .copy {
  text-wrap: balance;
}

.nb {
  display: inline-block;
}

img, svg {
  max-width: 100%;
  display: block;
}

a {
  color: var(--color-accent);
}

/* ---------- レイアウト共通 ---------- */
.container {
  width: 100%;
  max-width: 960px;
  margin: 0 auto;
  padding: 0 16px;
}

.site-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 20;
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  max-width: 960px;
  margin: 0 auto;
}

.site-logo {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-text);
  text-decoration: none;
  letter-spacing: 0.01em;
}

.site-logo span {
  color: var(--color-primary);
}

.site-nav {
  display: flex;
  gap: 20px;
}

.site-nav a {
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 0.9rem;
}

.site-nav a:hover {
  color: var(--color-primary-dark);
}

.site-footer {
  border-top: 1px solid var(--color-border);
  margin-top: 48px;
  padding: 28px 0 40px;
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

.site-footer .container {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  justify-content: space-between;
  align-items: center;
}

.site-footer a {
  color: var(--color-text-muted);
}

/* ---------- ヒーロー ---------- */
.hero {
  padding: 40px 0 24px;
}

.hero h1 {
  font-size: 1.7rem;
  margin: 0 0 10px;
  line-height: 1.5;
  color: var(--color-text);
}

.hero p.lead {
  color: var(--color-text-muted);
  font-size: 0.98rem;
  margin: 0;
}

/* ---------- カード共通 ---------- */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 20px;
  margin-bottom: 20px;
}

.card h2 {
  font-size: 1.1rem;
  margin: 0 0 14px;
}

.card h2 .step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  font-size: 0.8rem;
  margin-right: 8px;
  vertical-align: middle;
}

/* ---------- フォーム部品 ---------- */
.field {
  margin-bottom: 16px;
}

.field:last-child {
  margin-bottom: 0;
}

.field label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--color-text);
}

.field .help {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  margin-top: 4px;
}

.input-text {
  width: 100%;
  padding: 11px 12px;
  font-size: 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: #fff;
  color: var(--color-text);
  font-family: inherit;
}

.input-text:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 1px;
}

.input-text[disabled] {
  background: #f0f1f0;
  color: var(--color-text-muted);
  cursor: not-allowed;
}

.input-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.input-row .input-text {
  flex: 1 1 200px;
}

.badge-wip {
  display: inline-block;
  font-size: 0.72rem;
  background: var(--color-warning-bg);
  border: 1px solid var(--color-warning-border);
  color: var(--color-warning-text);
  padding: 2px 8px;
  border-radius: 999px;
  margin-left: 6px;
  vertical-align: middle;
}

/* オートコンプリート候補 */
.autocomplete {
  position: relative;
}

.autocomplete-list {
  list-style: none;
  margin: 4px 0 0;
  padding: 4px;
  position: absolute;
  left: 0;
  right: 0;
  top: 100%;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  max-height: 260px;
  overflow-y: auto;
  z-index: 10;
  display: none;
}

.autocomplete-list.is-open {
  display: block;
}

.autocomplete-list li {
  padding: 9px 10px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.92rem;
  display: flex;
  justify-content: space-between;
  gap: 8px;
}

.autocomplete-list li:hover,
.autocomplete-list li.is-active {
  background: var(--color-primary-soft);
}

.autocomplete-list li .pref-tag {
  color: var(--color-text-muted);
  font-size: 0.78rem;
  white-space: nowrap;
}

.autocomplete-list .no-result {
  padding: 10px;
  color: var(--color-text-muted);
  font-size: 0.85rem;
  cursor: default;
}

.autocomplete-list .no-result:hover {
  background: transparent;
}

/* 選択済み自治体チップ */
.selected-city {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-primary-soft);
  color: var(--color-primary-dark);
  border-radius: 999px;
  padding: 6px 8px 6px 14px;
  font-size: 0.88rem;
  margin-top: 10px;
}

.selected-city button {
  border: none;
  background: rgba(255, 255, 255, 0.6);
  border-radius: 50%;
  width: 20px;
  height: 20px;
  line-height: 1;
  cursor: pointer;
  color: var(--color-primary-dark);
  font-size: 0.9rem;
}

/* チェックボックス群（対象車種） */
.checkbox-group {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.checkbox-pill {
  position: relative;
}

.checkbox-pill input {
  position: absolute;
  opacity: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  cursor: pointer;
}

.checkbox-pill span {
  display: inline-block;
  padding: 9px 16px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  font-size: 0.9rem;
  background: #fff;
  color: var(--color-text);
}

.checkbox-pill input:checked + span {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

.checkbox-pill input:focus-visible + span {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* ボタン */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 13px 24px;
  border-radius: var(--radius-md);
  border: none;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  font-family: inherit;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  width: 100%;
}

.btn-primary:hover {
  background: var(--color-primary-dark);
}

.btn-primary:disabled {
  background: #a9b6b0;
  cursor: not-allowed;
}

/* ---------- 結果セクション ---------- */
.result-section {
  display: none;
}

.result-section.is-visible {
  display: block;
}

.result-total {
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 24px 20px;
  margin-bottom: 20px;
}

.result-total .label {
  font-size: 0.85rem;
  opacity: 0.9;
  margin: 0 0 6px;
}

.result-total .amount {
  font-size: 2.1rem;
  font-weight: 800;
  margin: 0;
  line-height: 1.3;
}

.result-total .amount small {
  font-size: 1rem;
  font-weight: 600;
  margin-left: 4px;
}

.result-total .amount-note {
  font-size: 0.78rem;
  opacity: 0.85;
  margin: 8px 0 0;
}

/* 内訳テーブル：横スクロールコンテナ必須 */
.table-scroll {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.breakdown-table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  font-size: 0.88rem;
}

.breakdown-table caption {
  text-align: left;
  padding: 10px 12px;
  font-weight: 700;
  background: #f8faf9;
  border-bottom: 1px solid var(--color-border);
}

.breakdown-table th,
.breakdown-table td {
  padding: 12px;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
  vertical-align: top;
}

.breakdown-table thead th {
  background: #f8faf9;
  font-weight: 700;
  color: var(--color-text-muted);
  font-size: 0.8rem;
  white-space: nowrap;
}

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

.breakdown-table td.amount-cell {
  font-weight: 700;
  white-space: nowrap;
}

.breakdown-table .level-tag {
  display: inline-block;
  font-size: 0.72rem;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--color-primary-soft);
  color: var(--color-primary-dark);
  white-space: nowrap;
}

.status-wip-row td {
  color: var(--color-text-muted);
}

.status-wip-row .wip-note {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--color-warning-bg);
  border: 1px solid var(--color-warning-border);
  color: var(--color-warning-text);
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.78rem;
}

/* 受付終了（status: closed） */
.status-closed-row td {
  color: var(--color-text-muted);
  background: #f4f5f4;
}

.status-closed-row .closed-note {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #e7e9e8;
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.78rem;
}

/* 受付状況要確認（status: unknown） */
.status-unknown-note {
  display: block;
  font-size: 0.72rem;
  color: var(--color-text-muted);
  margin-top: 2px;
}

/* 区分外（audience不一致・参考表示） */
.status-refonly-row td {
  color: var(--color-text-muted);
}

.audience-badge {
  display: inline-block;
  font-size: 0.72rem;
  background: #eef1fb;
  border: 1px solid #c9d2f0;
  color: #33418f;
  padding: 2px 8px;
  border-radius: 999px;
  margin-left: 6px;
  vertical-align: middle;
  white-space: nowrap;
}

.amount-sub-note {
  display: block;
  font-size: 0.72rem;
  color: var(--color-text-muted);
  margin-top: 2px;
  font-weight: 400;
}

.program-sub-note {
  display: block;
  font-size: 0.78rem;
  color: var(--color-text-muted);
  font-weight: 400;
  margin-top: 2px;
}

.source-link {
  font-size: 0.82rem;
}

.no-source {
  color: var(--color-text-muted);
  font-size: 0.82rem;
}

/* ---------- 都道府県別ページへのリンク一覧 ---------- */
.pref-link-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.pref-link-list li {
  margin: 0;
}

.pref-link-list a {
  display: inline-block;
  padding: 8px 16px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  font-size: 0.88rem;
  text-decoration: none;
  color: var(--color-text);
  background: #fff;
}

.pref-link-list a:hover {
  border-color: var(--color-primary);
  color: var(--color-primary-dark);
}

/* ---------- CTAカード（文脈連動オファー） ---------- */
/* 広告枠ではなく「シミュレーションの続き」に見えるトーンに揃える */
.cta-card {
  display: block;
  background: var(--color-primary-soft);
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  margin: 16px 0;
  text-decoration: none;
  color: var(--color-text);
}

.cta-card:hover {
  border-color: var(--color-primary-dark);
  background: #ddf0e5;
}

.cta-card .cta-label {
  display: block;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--color-primary-dark);
  margin-bottom: 4px;
}

.cta-card .cta-description {
  display: block;
  font-size: 0.82rem;
  color: var(--color-text-muted);
}

.cta-card .cta-arrow {
  display: inline-block;
  margin-left: 4px;
}

/* 注意書き */
.notice-box {
  background: var(--color-warning-bg);
  border: 1px solid var(--color-warning-border);
  color: var(--color-warning-text);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  font-size: 0.86rem;
  margin-top: 16px;
  line-height: 1.7;
}

.notice-box strong {
  color: var(--color-danger);
}

.empty-state {
  text-align: center;
  padding: 30px 16px;
  color: var(--color-text-muted);
}

/* ---------- FAQ ---------- */
.faq-item {
  border-bottom: 1px solid var(--color-border);
  padding: 14px 0;
}

.faq-item:last-child {
  border-bottom: none;
}

.faq-item summary {
  cursor: pointer;
  font-weight: 700;
  font-size: 0.95rem;
  list-style: none;
  position: relative;
  padding-right: 24px;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 0;
  font-size: 1.2rem;
  color: var(--color-primary);
}

.faq-item[open] summary::after {
  content: "\2212";
}

.faq-item p {
  margin: 10px 0 0;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

/* ---------- about.html 用 ---------- */
.about-body h2 {
  font-size: 1.15rem;
  margin: 28px 0 10px;
}

.about-body p {
  margin: 0 0 12px;
}

.about-body ul {
  margin: 0 0 12px;
  padding-left: 1.4em;
}

.about-body li {
  margin-bottom: 6px;
}

/* ---------- レスポンシブ: PC（1280px想定）---------- */
@media (min-width: 900px) {
  .hero h1 {
    font-size: 2.1rem;
  }

  .card {
    padding: 28px 32px;
  }

  .result-total .amount {
    font-size: 2.6rem;
  }

  .site-nav {
    gap: 28px;
  }
}

/* ---------- モバイルナビ（375px想定）---------- */
.nav-toggle {
  display: none;
  border: 1px solid var(--color-border);
  background: #fff;
  border-radius: 8px;
  width: 40px;
  height: 40px;
  font-size: 1.1rem;
  cursor: pointer;
}

@media (max-width: 599px) {
  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    gap: 0;
    padding: 8px 16px 12px;
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a {
    padding: 10px 0;
    border-bottom: 1px solid var(--color-border);
  }

  .site-nav a:last-child {
    border-bottom: none;
  }

  .site-header__inner {
    position: relative;
  }

  .hero h1 {
    font-size: 1.4rem;
  }

  .result-total .amount {
    font-size: 1.7rem;
  }
}

/* 条件セルの長文は6行でクランプ（全文はtitle属性で参照可能） */
.breakdown-table td.cond-cell {
  max-width: 320px;
  min-width: 180px;
}

.breakdown-table td.cond-cell .cond-clamp {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 6;
  overflow: hidden;
}