/* 色は config.json から build.py が書き込む */
:root {
  --primary: #1F3A5F;
  --primary-contrast: #FFFFFF;
  --primary-soft: #F6F2E9;
  --accent: #C8452F;
  --bg: #FFFFFF;
  --surface: #FFFFFF;
  --paper: #F6F2E9;
  --text: #222831;
  --muted: #5B6573;
  --border: #E4DCCB;
  --ok: #1E6B3E;
  --ok-bg: #E8F3EC;
  --ng: #9E1C48;
  --ng-bg: #FBEDF2;
  --warn: #6E4A00;
  --warn-bg: #FFF4CC;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --primary: #A9C2E4;
    --primary-contrast: #0F1724;
    --primary-soft: #243246;
    --accent: #EE8B76;
    --bg: #16202E;
    --surface: #1D2A3B;
    --paper: #223044;
    --text: #E9ECF1;
    --muted: #AEB7C4;
    --border: #3A4A60;
    --ok: #8FD3A8;
    --ok-bg: #173326;
    --ng: #F4A0BD;
    --ng-bg: #3A1A27;
    --warn: #EBC97A;
    --warn-bg: #352A12;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  /* ブランド.md の書体の並び（Web フォントは読み込まない） */
  font-family: "BIZ UDPGothic", "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Meiryo", sans-serif;
  font-size: 16px;
  line-height: 1.7;
}
a { color: var(--primary); text-underline-offset: 2px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--primary); outline-offset: 2px; }
.wrap { max-width: 760px; margin: 0 auto; padding: 0 16px; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 8px; top: 8px; background: var(--surface); padding: 8px 12px; z-index: 10; }

/* ヘッダー・フッター */
.site-header { background: var(--surface); border-bottom: 1px solid var(--border); }
.site-header .wrap { display: flex; align-items: center; gap: 6px 14px; flex-wrap: wrap; padding-top: 10px; padding-bottom: 10px; }
.brand { display: inline-flex; align-items: center; gap: 8px; color: var(--text); text-decoration: none; font-weight: 700; }
.brand-mark { display: inline-flex; align-items: center; justify-content: center; width: 32px; height: 32px; border-radius: 8px; background: var(--primary); color: var(--primary-contrast); font-size: 18px; line-height: 1; }
.brand picture { display: block; line-height: 0; }
.brand-logo { height: 36px; width: auto; display: block; } /* ブランド.md: 横長ロゴは高さ32px以上 */
.brand-name { font-size: 17px; }
.brand-tag { color: var(--muted); font-size: 13px; }
.site-footer { margin-top: 48px; border-top: 1px solid var(--border); background: var(--surface); font-size: 14px; }
.site-footer .wrap { padding-top: 16px; padding-bottom: 24px; }
.footer-links { list-style: none; margin: 0 0 8px; padding: 0; display: flex; flex-wrap: wrap; gap: 4px 20px; }
.footer-links a { display: inline-block; padding: 6px 0; }
.copy { color: var(--muted); margin: 0; }

/* 見出し・本文 */
h1 { font-size: 24px; line-height: 1.4; margin: 20px 0 6px; }
h1, h2 { color: var(--primary); }
h2 { font-size: 19px; line-height: 1.45; margin: 0 0 12px; }
.sec > h2::after { content: ""; display: block; width: 40px; height: 3px; margin-top: 4px; border-radius: 2px; background: var(--accent); }
.lead { margin: 6px 0 14px; }
.crumbs { font-size: 13px; color: var(--muted); margin-top: 14px; }
.asof-badge { display: inline-block; margin: 2px 0 0; padding: 1px 10px; border-radius: 999px; border: 1px solid var(--accent); background: var(--surface); color: var(--accent); font-size: 13px; }
.sec.paper { background: var(--paper); border: 1px solid var(--border); border-radius: 12px; padding: 16px; }
.sec { margin-top: 28px; }
.sec h3 { font-size: 16px; margin: 16px 0 4px; }
.hint { color: var(--muted); font-size: 13px; margin: 4px 0 0; }
.disclaimer { margin-top: 28px; font-size: 13px; color: var(--muted); }
.updated, .asof { font-size: 14px; }
.updated { color: var(--muted); }

/* 入力 */
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 16px; }
.form { margin-top: 14px; }
.form-title { font-size: 17px; margin-bottom: 8px; }
.field { margin: 0 0 12px; min-width: 0; }
.field label, .field legend { display: block; font-weight: 600; font-size: 14px; margin-bottom: 4px; }
fieldset.field { border: 0; padding: 0; }
.choice label { display: inline-flex; align-items: center; gap: 6px; font-weight: 400; margin: 2px 18px 2px 0; min-height: 36px; }
.check { display: flex; align-items: center; gap: 8px; min-height: 40px; font-size: 15px; }
input[type="text"], input[type="date"], select {
  width: 100%;
  font: inherit;
  font-size: 18px;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  min-height: 48px;
}
input[type="radio"], input[type="checkbox"] { width: 20px; height: 20px; accent-color: var(--primary); }
.with-unit { display: flex; align-items: center; gap: 8px; }
.with-unit input { flex: 1; min-width: 0; }
.unit { color: var(--muted); }
.row2 { display: grid; grid-template-columns: 1fr; gap: 0 12px; }
@media (min-width: 520px) { .row2 { grid-template-columns: 1fr 1fr; } }
.row2.tight { grid-template-columns: 7.5em 1fr; }

/* 結果 */
.result { margin-top: 10px; }
.result .card { margin-bottom: 10px; }
.out { border-color: var(--primary); }
.out-title { font-size: 16px; margin: 0 0 2px; }
.out-sub { margin: 4px 0; }
.out-note { font-size: 14px; margin: 8px 0 0; }
.out-list { margin: 10px 0 0; padding-left: 1.2em; }
.pair { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 8px; }
.big { display: flex; flex-direction: column; background: var(--primary-soft); border-radius: 10px; padding: 10px 12px; min-width: 0; }
.big-label { font-size: 13px; color: var(--muted); display: block; }
.big-num { font-size: 28px; font-weight: 700; line-height: 1.25; font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
.big-num small { font-size: 15px; font-weight: 600; margin-left: 2px; }
.big-calc { font-size: 12px; color: var(--muted); overflow-wrap: anywhere; }
.big-line { margin: 4px 0; display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 10px; }
.eq { color: var(--muted); font-size: 22px; }
.out-caution { font-size: 13px; color: var(--text); margin: 10px 0 0; padding-top: 8px; border-top: 1px solid var(--border); }
.msg { margin: 0; padding: 12px 14px; border-radius: 10px; background: var(--warn-bg); color: var(--warn); }
.verdict.ok { background: var(--ok-bg); border-color: var(--ok); }
.verdict.ng { background: var(--ng-bg); border-color: var(--ng); }
.verdict-text { font-size: 22px; font-weight: 700; margin: 0 0 4px; }
.verdict.ok .verdict-text { color: var(--ok); }
.verdict.ng .verdict-text { color: var(--ng); }
.notice { background: var(--warn-bg); border-color: var(--warn); }
.notice p { margin: 4px 0; }

/* 説明の部品 */
.steps, .formula, .sources, .promise { padding-left: 1.3em; margin: 0; }
.steps li, .formula li, .sources li, .promise li { margin-bottom: 6px; }
.sources .checked { color: var(--muted); font-size: 13px; }
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; border: 1px solid var(--border); border-radius: 10px; }
table { border-collapse: collapse; width: 100%; font-size: 14px; background: var(--surface); }
th, td { padding: 6px 10px; border-bottom: 1px solid var(--border); text-align: right; white-space: nowrap; font-variant-numeric: tabular-nums; }
th:first-child, td:first-child { text-align: left; }
thead th { background: var(--primary-soft); position: sticky; top: 0; }
caption { text-align: left; padding: 8px 10px; font-size: 13px; color: var(--muted); caption-side: top; white-space: nowrap; }
.table-source { font-size: 13px; color: var(--muted); margin: 6px 0 0; overflow-wrap: anywhere; }

/* 一覧 */
.hero { margin-top: 8px; }
.cat { margin-top: 24px; }
.cards { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: 1fr; gap: 10px; }
@media (min-width: 560px) { .cards { grid-template-columns: 1fr 1fr; } }
.cards a { display: block; height: 100%; text-decoration: none; color: var(--text); background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 14px 16px; }
.cards a:hover { border-color: var(--primary); }
.card-title { display: block; font-weight: 700; color: var(--primary); font-size: 17px; }
.card-text { display: block; font-size: 14px; margin-top: 4px; }
.card-meta { display: block; font-size: 12px; color: var(--muted); margin-top: 6px; }
.page h2 { margin-top: 24px; }