/* ============================================================
   くらしの早見表ラボ — 共通スタイルシート
   モバイルファースト / システムフォント / 最大幅720px
   ============================================================ */

:root {
  --color-bg: #f7f7f5;
  --color-surface: #ffffff;
  --color-text: #23241f;
  --color-text-muted: #5b5c56;
  --color-border: #dedcd4;
  --color-primary: #1f5f4f;
  --color-primary-dark: #163f34;
  --color-primary-contrast: #ffffff;
  --color-accent-bg: #eef4f1;
  --color-notice-bg: #fdf3e3;
  --color-notice-border: #e7c37f;
  --color-notice-text: #6b4c15;
  --radius-sm: 6px;
  --radius-md: 10px;
  --max-width: 720px;
  --font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans",
    "Hiragino Kaku Gothic ProN", "Yu Gothic", "Segoe UI", Meiryo, sans-serif;
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  font-family: var(--font-family);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
}

a {
  color: var(--color-primary);
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}

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

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 16px;
}

/* ---------- ヘッダー ---------- */

.site-header {
  background: var(--color-primary);
  color: var(--color-primary-contrast);
}

.site-header__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 14px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.site-header__logo {
  color: var(--color-primary-contrast);
  font-size: 1.05rem;
  font-weight: 700;
  text-decoration: none;
  letter-spacing: 0.02em;
}

.site-header__logo:hover {
  color: var(--color-primary-contrast);
  opacity: 0.9;
}

.site-header__tagline {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.8);
  display: none;
}

@media (min-width: 480px) {
  .site-header__tagline {
    display: inline;
  }
}

/* ---------- パンくず ---------- */

.breadcrumb {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.breadcrumb li:not(:last-child)::after {
  content: "›";
  margin-left: 4px;
  color: var(--color-border);
}

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

/* ---------- メインコンテンツ ---------- */

main {
  padding: 20px 0 48px;
}

main .container > h1 {
  font-size: 1.5rem;
  line-height: 1.4;
  margin: 12px 0 6px;
}

.page-lead {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  margin: 0 0 20px;
}

h2 {
  font-size: 1.15rem;
  margin: 32px 0 12px;
  padding-top: 8px;
  border-top: 1px solid var(--color-border);
}

h3 {
  font-size: 1rem;
  margin: 18px 0 8px;
}

p {
  margin: 0 0 14px;
}

/* ---------- トップページ: ツールカード一覧 ---------- */

.tool-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin: 20px 0;
  padding: 0;
  list-style: none;
}

@media (min-width: 480px) {
  .tool-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.tool-card {
  display: block;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 16px;
  text-decoration: none;
  color: var(--color-text);
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.tool-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-1px);
}

.tool-card__title {
  display: block;
  font-weight: 700;
  font-size: 1rem;
  color: var(--color-primary-dark);
  margin-bottom: 4px;
}

.tool-card__desc {
  display: block;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.tool-card--soon {
  opacity: 0.55;
  pointer-events: none;
}

.tool-card__badge {
  display: inline-block;
  font-size: 0.7rem;
  background: var(--color-border);
  color: var(--color-text-muted);
  border-radius: 999px;
  padding: 2px 8px;
  margin-top: 8px;
}

/* ---------- ツール本体: 入力群 ---------- */

.tool-panel {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 18px 16px;
  margin: 16px 0;
}

.tool-panel__title {
  font-size: 1rem;
  font-weight: 700;
  margin: 0 0 14px;
  color: var(--color-primary-dark);
}

.input-group {
  margin-bottom: 14px;
}

.input-group:last-child {
  margin-bottom: 0;
}

.input-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--color-text);
}

.input-group__hint {
  display: block;
  font-size: 0.78rem;
  color: var(--color-text-muted);
  margin-top: 4px;
}

.input-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.input-row .input-group {
  flex: 1 1 120px;
  margin-bottom: 0;
}

input[type="text"],
input[type="number"],
input[type="date"],
select {
  width: 100%;
  padding: 10px 12px;
  font-size: 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  color: var(--color-text);
  font-family: inherit;
}

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

.btn {
  display: inline-block;
  width: 100%;
  padding: 12px 16px;
  font-size: 1rem;
  font-weight: 700;
  border: none;
  border-radius: var(--radius-sm);
  background: var(--color-primary);
  color: var(--color-primary-contrast);
  cursor: pointer;
  text-align: center;
}

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

.btn:active {
  transform: translateY(1px);
}

/* ---------- 結果カード ---------- */

.result-card {
  margin-top: 16px;
  padding: 16px;
  background: var(--color-accent-bg);
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-md);
}

.result-card[hidden] {
  display: none;
}

.result-card__label {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin: 0 0 4px;
}

.result-card__value {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin: 0;
  word-break: break-word;
}

.result-card__sub {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin: 6px 0 0;
}

.result-card__error {
  color: #a3351a;
  font-weight: 600;
}

/* ---------- 早見表テーブル ---------- */

.table-scroll {
  overflow-x: auto;
  margin: 16px 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  max-height: 480px;
  overflow-y: auto;
}

table.hayami-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

table.hayami-table caption {
  text-align: left;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  padding: 10px 12px 0;
}

table.hayami-table th,
table.hayami-table td {
  padding: 8px 12px;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
}

table.hayami-table thead th {
  position: sticky;
  top: 0;
  background: var(--color-accent-bg);
  color: var(--color-primary-dark);
  font-size: 0.8rem;
  z-index: 1;
}

table.hayami-table tbody tr:hover {
  background: var(--color-accent-bg);
}

table.hayami-table tr.is-transition td {
  background: var(--color-notice-bg);
  font-weight: 600;
}

/* 小さな要約テーブル(元号一覧など) */

table.quick-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
  margin: 12px 0 20px;
}

table.quick-table th,
table.quick-table td {
  padding: 8px 10px;
  border-bottom: 1px solid var(--color-border);
  text-align: left;
}

table.quick-table thead th {
  background: var(--color-accent-bg);
  color: var(--color-primary-dark);
}

/* ---------- 使い方 ---------- */

.howto-list {
  margin: 0 0 14px;
  padding-left: 1.3em;
}

.howto-list li {
  margin-bottom: 8px;
}

/* ---------- 注意書き(免責等) ---------- */

.notice-box {
  background: var(--color-notice-bg);
  border: 1px solid var(--color-notice-border);
  color: var(--color-notice-text);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  font-size: 0.88rem;
  margin: 14px 0;
}

.notice-box strong {
  display: block;
  margin-bottom: 4px;
}

/* ---------- FAQ ---------- */

.faq-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  padding: 14px 16px;
  margin-bottom: 10px;
}

.faq-item__q {
  font-weight: 700;
  font-size: 0.95rem;
  margin: 0 0 6px;
  color: var(--color-primary-dark);
}

.faq-item__a {
  margin: 0;
  font-size: 0.9rem;
  color: var(--color-text);
}

/* ---------- 関連ツール ---------- */

.related-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.related-list a {
  display: block;
  padding: 10px 14px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--color-text);
  font-size: 0.9rem;
}

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

/* ---------- 六曜カレンダー(rokuyouツール) ---------- */

.rokuyou-calendar {
  margin-bottom: 20px;
}

.rokuyou-calendar:last-child {
  margin-bottom: 0;
}

.rokuyou-calendar__title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin: 0 0 8px;
}

.rokuyou-calendar__grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
}

.rokuyou-calendar__weekday {
  text-align: center;
  font-size: 0.72rem;
  color: var(--color-text-muted);
  padding: 4px 0;
}

.rokuyou-calendar__day {
  text-align: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 6px 2px;
  background: var(--color-surface);
}

.rokuyou-calendar__day--empty {
  border-color: transparent;
  background: none;
}

.rokuyou-calendar__day--today {
  border-color: var(--color-primary);
  border-width: 2px;
}

.rokuyou-calendar__day--taian {
  background: var(--color-accent-bg);
}

.rokuyou-calendar__date {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
}

.rokuyou-calendar__roku {
  display: block;
  font-size: 0.65rem;
  color: var(--color-text-muted);
  margin-top: 2px;
}

/* ---------- 広告枠(プレースホルダ) ---------- */

.ad-slot {
  margin: 20px 0;
  padding: 14px;
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-sm);
  text-align: center;
  font-size: 0.72rem;
  color: var(--color-text-muted);
  background: var(--color-surface);
}

/* ---------- 静的ページ(about/privacy/disclaimer/contact) ---------- */

.static-page section {
  margin-bottom: 24px;
}

.static-page ul,
.static-page ol {
  padding-left: 1.3em;
}

.static-page li {
  margin-bottom: 6px;
}

/* ---------- フッター ---------- */

.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 24px 0 40px;
  background: var(--color-surface);
}

.site-footer__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 16px;
  margin: 0 0 14px;
  padding: 0;
  list-style: none;
  font-size: 0.85rem;
}

.site-footer__copy {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  margin: 0;
}

/* ---------- 404 ---------- */

.error-page {
  text-align: center;
  padding: 60px 0;
}

.error-page__code {
  font-size: 3rem;
  font-weight: 800;
  color: var(--color-border);
  margin: 0;
}

/* ---------- ユーティリティ ---------- */

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

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