:root {
  --bg: #fff;
  --fg: #1b1f24;
  --muted: #6b7280;
  --line: #e3e7ec;
  --accent: #12557f;
  --accent-weak: #eaf2f8;
  --warn: #a4531a;
  --warn-bg: #fdf3e7;
  --soon: #b0281a;
  --card: #fff;
  --radius: 10px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans",
    "Noto Sans JP", "Yu Gothic", Meiryo, sans-serif;
  line-height: 1.7;
  font-size: 16px;
}

.wrap { max-width: 960px; margin: 0 auto; padding: 0 16px; }

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

/* ---- header ---- */
.site-head {
  border-bottom: 1px solid var(--line);
  background: #fff;
  position: sticky; top: 0; z-index: 10;
}
.site-head .wrap {
  display: flex; align-items: center; gap: 20px;
  flex-wrap: wrap; padding-top: 12px; padding-bottom: 12px;
}
.brand { font-weight: 700; font-size: 1.05rem; text-decoration: none; color: var(--fg); }
.gnav { display: flex; gap: 14px; flex-wrap: wrap; }
.gnav a { text-decoration: none; font-size: .92rem; }
.gnav a:hover { text-decoration: underline; }

.crumbs { font-size: .82rem; color: var(--muted); padding: 10px 0 0; }
.crumbs a { color: var(--muted); }
.crumbs .sep { opacity: .5; }

h1 { font-size: 1.5rem; line-height: 1.4; margin: 22px 0 8px; }
h2 { font-size: 1.16rem; margin: 30px 0 10px; }
.lead { color: var(--muted); margin: 0 0 18px; font-size: .94rem; }

/* ---- filters ---- */
.filters {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px 16px 10px;
  margin: 18px 0;
  background: #fbfcfd;
}
.fgroup { display: flex; align-items: flex-start; gap: 12px; margin-bottom: 10px; flex-wrap: wrap; }
.flabel { font-size: .82rem; color: var(--muted); min-width: 74px; padding-top: 5px; }
.chips { display: flex; gap: 6px; flex-wrap: wrap; }
.chip {
  border: 1px solid var(--line); background: #fff; color: var(--fg);
  border-radius: 999px; padding: 5px 13px; font-size: .86rem;
  cursor: pointer; font-family: inherit;
}
.chip:hover { border-color: var(--accent); }
.chip.on { background: var(--accent); border-color: var(--accent); color: #fff; }
#sort { padding: 5px 8px; font-size: .86rem; font-family: inherit; border: 1px solid var(--line); border-radius: 6px; }
.hint { font-size: .82rem; color: var(--muted); margin: 6px 0 2px; }

.count { font-size: .86rem; color: var(--muted); margin: 12px 0; }

/* ---- cards ---- */
.cards { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.card {
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 14px 16px; background: var(--card);
}
.card-head { display: flex; align-items: center; gap: 10px; margin-bottom: 6px; }
.badge {
  font-size: .74rem; padding: 2px 9px; border-radius: 4px;
  background: var(--accent-weak); color: var(--accent); font-weight: 700;
}
.adv { font-size: .84rem; color: var(--muted); }
.ttl { font-size: 1.02rem; margin: 2px 0 10px; line-height: 1.5; }
.ttl a { text-decoration: none; }
.ttl a:hover { text-decoration: underline; }

.meta { display: flex; gap: 22px; flex-wrap: wrap; margin: 0 0 10px; }
.meta > div { display: flex; gap: 7px; align-items: baseline; }
.meta dt { font-size: .76rem; color: var(--muted); margin: 0; }
.meta dd { margin: 0; font-size: .9rem; }
.amount { font-weight: 700; }
.cond { font-size: .86rem; }
.card.cond-申込だけ .cond { color: #17683f; font-weight: 600; }
.deadline.soon { color: var(--soon); font-weight: 700; }
.muted { color: var(--muted); font-size: .86rem; }
.warn {
  font-size: .72rem; background: var(--warn-bg); color: var(--warn);
  padding: 1px 7px; border-radius: 4px; margin-left: 4px;
}

.official { font-size: .86rem; text-decoration: none; }
.official::after { content: " ↗"; font-size: .8em; }
.official:hover { text-decoration: underline; }
.official.big {
  display: inline-block; background: var(--accent); color: #fff;
  padding: 11px 22px; border-radius: 8px; font-weight: 700; font-size: .96rem;
}
.empty { color: var(--muted); padding: 30px 0; text-align: center; }

/* ---- detail ---- */
.spec { width: 100%; border-collapse: collapse; margin: 16px 0; font-size: .94rem; }
.spec th, .spec td { border: 1px solid var(--line); padding: 10px 13px; text-align: left; vertical-align: top; }
.spec th { background: #f7f9fb; width: 130px; font-weight: 600; font-size: .88rem; }
.cta { margin: 22px 0; }
.alert {
  background: var(--warn-bg); border-left: 3px solid var(--warn);
  padding: 11px 14px; font-size: .88rem; border-radius: 0 6px 6px 0;
}
.hist { width: 100%; border-collapse: collapse; font-size: .88rem; }
.hist th, .hist td { border: 1px solid var(--line); padding: 7px 11px; text-align: left; }
.hist th { background: #f7f9fb; font-weight: 600; }
.mini { padding-left: 18px; }
.mini li { margin: 5px 0; font-size: .92rem; }

/* ---- list pages ---- */
.adv-list { list-style: none; padding: 0; display: grid; gap: 8px; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); }
.adv-list a { display: block; border: 1px solid var(--line); border-radius: 8px; padding: 11px 14px; text-decoration: none; }
.adv-list a:hover { border-color: var(--accent); }
.adv-list .n { color: var(--muted); font-size: .82rem; }


/* ---- 誤り報告への導線（全ページ末尾） ---- */
.report-link {
  margin: 34px 0 0; padding: 12px 15px;
  border: 1px dashed var(--line); border-radius: 8px;
  font-size: .84rem; color: var(--muted); background: #fbfcfd;
}
.report-link a { font-weight: 600; }

/* ---- footer ---- */
.site-foot { border-top: 1px solid var(--line); margin-top: 48px; padding: 22px 0 34px; background: #fafbfc; }
.site-foot .note { font-size: .82rem; color: var(--muted); margin: 0 0 10px; }
.fnav { display: flex; gap: 16px; flex-wrap: wrap; margin: 14px 0 8px; }
.fnav a { font-size: .84rem; }
.copy { font-size: .78rem; color: var(--muted); margin: 0; }

/* ---- prose (about/privacy) ---- */
.prose h2 { font-size: 1.1rem; }
.prose p, .prose li { font-size: .94rem; }

@media (max-width: 600px) {
  h1 { font-size: 1.28rem; }
  .flabel { min-width: 100%; padding-top: 0; }
  .meta { gap: 14px; }
  .spec th { width: 96px; }
}