:root {
  --red: #bf0000;
  --red-dark: #8f0000;
  --ink: #222;
  --muted: #666;
  --line: #e5e5e5;
  --bg: #faf8f5;
  --card: #fff;
  --accent: #fff4e5;
  --radius: 10px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Hiragino Sans", "Noto Sans JP", "Yu Gothic UI", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.7;
}

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

main { max-width: 1080px; margin: 0 auto; padding: 0 16px 48px; }

h1 { font-size: 1.6rem; line-height: 1.4; margin: 24px 0 8px; }
h2 { font-size: 1.25rem; margin: 40px 0 16px; padding-left: 10px; border-left: 4px solid var(--red); }

.deadline { background: var(--accent); border-block: 1px solid #f3d9b5; text-align: center; padding: 8px 16px; }
.deadline p { margin: 0; display: flex; flex-wrap: wrap; gap: 4px 12px; justify-content: center; align-items: center; }
.deadline strong { color: var(--red); font-size: 1.15rem; }
/* 数字が変わっても幅が変わらないよう、等幅フォント＋固定幅にする（隣のボタンが揺れないように） */
.deadline .time {
  display: inline-block; width: 8ch; text-align: left;
  font-family: ui-monospace, Consolas, "SFMono-Regular", Menlo, monospace; font-variant-numeric: tabular-nums;
}
.deadline .btn { padding: 4px 12px; font-size: 0.8rem; }
.deadline small { display: block; color: var(--muted); font-size: 0.7rem; margin-top: 2px; }

.pr-note { font-size: 0.85rem; color: var(--muted); margin: 0 0 8px; }

.site-header {
  display: flex; flex-wrap: wrap; gap: 8px 24px; align-items: center; justify-content: space-between;
  max-width: 1080px; margin: 0 auto; padding: 12px 16px;
}
.logo { font-weight: 700; font-size: 1.1rem; color: var(--ink); text-decoration: none; }
.site-header nav { display: flex; gap: 16px; font-size: 0.9rem; }
.site-header nav a { color: var(--ink); text-decoration: none; }

.lead { color: var(--muted); }
.note { font-size: 0.8rem; color: var(--muted); }
.breadcrumb { font-size: 0.8rem; margin-top: 16px; color: var(--muted); }

/* シミュレーター */
.simulator {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 24px; margin-top: 16px;
}
.simulator h1 { margin-top: 0; }
#sim-form { display: grid; gap: 16px; max-width: 560px; }
#sim-form label { display: grid; gap: 4px; font-weight: 600; font-size: 0.95rem; }
#sim-form label.check { display: block; font-weight: 400; }
#sim-form label.check small { display: block; color: var(--muted); margin-left: 1.6em; }
#sim-form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
#sim-form input[type="number"], #sim-form select {
  font-size: 1rem; padding: 10px; border: 1px solid #ccc; border-radius: 6px; width: 100%; background: #fff;
}
.input-unit { display: flex; align-items: center; gap: 8px; }
.input-unit input { flex: 1; }
details summary { cursor: pointer; color: var(--muted); font-size: 0.9rem; }
details label { margin-top: 8px; }

.sim-result { margin-top: 24px; padding: 20px; background: var(--accent); border-radius: var(--radius); }
.sim-result p { margin: 4px 0; }
.sim-result .limit { font-size: 2.4rem; font-weight: 800; color: var(--red); line-height: 1.2; }
.sim-sub { font-weight: 600; }

/* ボタン */
.btn {
  display: inline-block; text-align: center; background: var(--red); color: #fff; text-decoration: none;
  font-weight: 700; border: 0; border-radius: 6px; padding: 10px 16px; cursor: pointer; font-size: 0.9rem;
}
.btn:hover { background: var(--red-dark); }
.btn-lg { font-size: 1.1rem; padding: 14px 24px; }

/* リンク一覧 */
.band-links, .cat-links { list-style: none; padding: 0; margin: 8px 0; display: flex; flex-wrap: wrap; gap: 8px; }
.band-links a, .cat-links a {
  display: block; padding: 8px 16px; background: var(--card); border: 1px solid var(--red);
  border-radius: 999px; text-decoration: none; font-weight: 600;
}
.band-links a:hover, .cat-links a:hover { background: var(--red); color: #fff; }
.band-links a.disabled { border-color: var(--line); color: #aaa; pointer-events: none; }
.band-links a.current { background: var(--red); color: #fff; }

.btn-share { background: #111; margin-top: 8px; }
.btn-share:hover { background: #333; }

/* 年収別ページの早見表 */
.limit-table { width: 100%; max-width: 560px; border-collapse: collapse; background: var(--card); margin: 16px 0 8px; }
.limit-table th, .limit-table td { border: 1px solid var(--line); padding: 10px 14px; text-align: left; }
.limit-table th { background: var(--accent); }
.limit-table td:last-child { font-weight: 700; color: var(--red); text-align: right; white-space: nowrap; }
ul.note { padding-left: 1.2em; }

/* 生活スタイル別 */
.persona-cards {
  list-style: none; padding: 0; margin: 0;
  display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 12px;
}
.persona-cards a {
  display: grid; gap: 4px; height: 100%; padding: 14px 16px; text-decoration: none; color: var(--ink);
  background: var(--card); border: 1px solid var(--line); border-left: 4px solid var(--red); border-radius: var(--radius);
}
.persona-cards a:hover { border-color: var(--red); }
.persona-cards strong { color: var(--red); }
.persona-cards span { font-size: 0.85rem; color: var(--muted); }

.tips { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 4px 20px 8px; margin: 16px 0; }
.tips h2 { margin: 16px 0 8px; font-size: 1.05rem; }
.tips ul { margin: 0 0 8px; padding-left: 1.2em; }
.tips li { margin: 4px 0; }

/* A8.net 提携広告の案内枠 */
.promo {
  position: relative; background: var(--card); border: 1px dashed #d9b98a; border-radius: var(--radius);
  padding: 14px 20px; margin: 16px 0;
}
.promo p { margin: 4px 0; }
.promo-title { font-weight: 700; }
.promo .btn { margin-top: 8px; }
.a8-pixel { position: absolute; width: 1px; height: 1px; }
.promo-note { font-size: 0.8rem; color: var(--muted); }
.promo-with-banner { display: flex; gap: 20px; align-items: center; }
.promo .banner { flex: 0 0 260px; }
.promo .banner img { display: block; width: 100%; height: auto; border-radius: 6px; }
@media (max-width: 640px) { .promo-with-banner { flex-direction: column; align-items: stretch; } .promo .banner { align-self: center; } }

/* ふるさと納税サイト比較 */
.compare-table { width: 100%; border-collapse: collapse; background: var(--card); margin: 16px 0; }
.compare-table th, .compare-table td { border: 1px solid var(--line); padding: 10px 12px; text-align: left; vertical-align: middle; }
.compare-table th { background: var(--accent); }
.portal-name { display: flex; align-items: center; gap: 12px; }
/* ロゴは縦横比の違う画像（120x60・120x120）を同じ大きさの枠に収める */
.compare-table .banner img, .compare-table .logo-text { width: 96px; height: 60px; display: block; border-radius: 4px; }
.compare-table .banner img { object-fit: contain; background: #fff; }
.compare-table .logo-text { display: grid; place-items: center; background: var(--red); color: #fff; font-size: 0.75rem; font-weight: 700; text-align: center; line-height: 1.3; }
.compare-table .btn { white-space: nowrap; }
.portal { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 4px 20px 16px; margin: 16px 0; }
.portal ul { padding-left: 1.2em; }
@media (max-width: 640px) { .portal-name { flex-direction: column; align-items: flex-start; } .promo .banner { flex-basis: auto; width: 260px; } }
.promo-label {
  position: absolute; top: 10px; right: 12px; font-size: 0.7rem; color: var(--muted);
  border: 1px solid var(--line); border-radius: 4px; padding: 0 6px;
}

/* 返礼品カード */
.items {
  list-style: none; padding: 0; margin: 0;
  display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 16px;
}
.item {
  position: relative; display: flex; flex-direction: column; gap: 8px;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px;
}
.item-link { color: var(--ink); text-decoration: none; display: grid; gap: 8px; }
.item img { width: 100%; height: auto; aspect-ratio: 1; object-fit: cover; border-radius: 6px; background: #f2f2f2; }
.item-name {
  font-size: 0.9rem; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.item-meta { display: grid; font-size: 0.85rem; margin-top: auto; }
.price { font-weight: 800; color: var(--red); font-size: 1rem; }
.review { color: #e69500; }
.review small, .shop { color: var(--muted); }
.rank {
  position: absolute; top: 6px; left: 6px; z-index: 1; width: 32px; height: 32px; border-radius: 50%;
  display: grid; place-items: center; font-weight: 800; color: #fff; background: #888; font-size: 0.9rem;
}
.rank-1 { background: #d4a300; }
.rank-2 { background: #9a9a9a; }
.rank-3 { background: #b06c33; }

.more { text-align: right; font-weight: 600; }
.cta-sim { background: var(--accent); padding: 10px 14px; border-radius: 6px; }

.howto, .static {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 8px 24px 16px; margin-top: 40px;
}
.static dl { display: grid; grid-template-columns: auto 1fr; gap: 4px 16px; }
.static dt { font-weight: 700; }
.static dd { margin: 0; }

.site-footer { border-top: 1px solid var(--line); padding: 24px 16px; text-align: center; font-size: 0.85rem; color: var(--muted); }
.site-footer nav { display: flex; justify-content: center; gap: 16px; }
.site-footer a { color: var(--muted); }

@media (max-width: 560px) {
  h1 { font-size: 1.35rem; }
  .simulator { padding: 16px; }
  #sim-form .row { grid-template-columns: 1fr; }
  .items { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .site-header nav { gap: 12px; font-size: 0.8rem; }
  .item { padding: 8px; }
  .item .btn { padding: 8px; font-size: 0.8rem; }
}
.faq { margin-top: 32px; }
.faq details { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 16px; margin: 8px 0; }
.faq summary { cursor: pointer; font-weight: 700; list-style: none; }
.faq summary::before { content: "Q. "; color: var(--red); }
.faq summary::-webkit-details-marker { display: none; }
.faq p { margin: 8px 0 0; color: var(--muted); }