/* いついくら 共通スタイル — 温かみのある丸ゴシック系 */
:root {
  --bg: #fbf6ee;
  --card: #fffdf9;
  --text: #3d3229;
  --sub: #8a7d6f;
  --accent: #e8702a;
  --accent-dark: #b85417;
  --accent-soft: #fdeadb;
  --line: #eee3d2;
  --shadow: 0 4px 20px rgba(180, 120, 60, .10);
  --radius: 20px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: "Zen Maru Gothic", "Hiragino Maru Gothic ProN", "Hiragino Kaku Gothic ProN", "Noto Sans JP", Meiryo, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.9;
  font-weight: 500;
}
.container { max-width: 720px; margin: 0 auto; padding: 0 18px; }

/* ヘッダー */
header.site { padding: 18px 0 4px; }
header.site .container { display: flex; flex-wrap: wrap; align-items: baseline; gap: 2px 12px; }
.logo {
  font-size: 1.45rem; font-weight: 900; color: var(--accent-dark);
  text-decoration: none; letter-spacing: .04em; white-space: nowrap;
}
.logo::before { content: "⏰💰"; font-size: 1rem; margin-right: 6px; letter-spacing: 0; }
.tagline { font-size: .74rem; color: var(--sub); }

main { padding: 20px 0 56px; }
h1 { font-size: 1.55rem; font-weight: 900; line-height: 1.45; margin-bottom: 10px; letter-spacing: .01em; }
.lead { color: var(--sub); font-size: .95rem; margin-bottom: 26px; }
h2 {
  font-size: 1.18rem; font-weight: 800; margin: 44px 0 14px;
  display: flex; align-items: center; gap: 8px;
}
h2::before { content: ""; width: 10px; height: 10px; border-radius: 50%; background: var(--accent); flex: none; }
h3 { font-size: 1rem; font-weight: 800; margin: 22px 0 8px; }
p { margin-bottom: 12px; }
ul { padding-left: 1.3em; margin-bottom: 12px; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 22px;
  margin-bottom: 18px;
  box-shadow: var(--shadow);
}

/* フォーム */
.field { margin-bottom: 22px; }
.field > label { display: block; font-weight: 800; font-size: .95rem; margin-bottom: 10px; }
.seg { display: flex; flex-wrap: wrap; gap: 10px; }
.seg input[type="radio"] { position: absolute; opacity: 0; }
.seg label {
  padding: 10px 18px;
  border: 2px solid var(--line);
  border-radius: 999px;
  font-size: .92rem;
  font-weight: 700;
  cursor: pointer;
  background: var(--card);
  transition: transform .12s ease, background .15s, border-color .15s, color .15s;
  user-select: none;
}
.seg label:hover { border-color: var(--accent); transform: translateY(-1px); }
.seg label:active { transform: scale(.96); }
.seg input[type="radio"]:checked + label {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.seg input[type="radio"]:focus-visible + label { outline: 3px solid var(--accent-soft); }
.range-wrap { display: flex; align-items: center; gap: 16px; }
input[type="range"] { flex: 1; accent-color: var(--accent); height: 28px; }
.range-val { font-weight: 900; font-size: 1.15rem; min-width: 4em; text-align: right; }

/* 結果 */
.result {
  background: linear-gradient(160deg, #fff3e6, #fde3cb);
  border: none;
  border-radius: var(--radius);
  padding: 26px 20px 22px;
  text-align: center;
  margin: 26px 0 8px;
  position: relative;
  overflow: hidden;
}
.result::after {
  content: "🐾"; position: absolute; right: -6px; bottom: -14px;
  font-size: 5rem; opacity: .10; transform: rotate(-16deg);
}
.result .label { font-size: .88rem; color: var(--accent-dark); font-weight: 800; letter-spacing: .06em; }
.result .amount { font-size: 2.3rem; font-weight: 900; color: var(--accent-dark); line-height: 1.35; font-variant-numeric: tabular-nums; }
.result .amount small { font-size: 1.05rem; font-weight: 800; }
.result .monthly { font-size: .95rem; margin-top: 4px; }
.result .monthly strong { font-variant-numeric: tabular-nums; }

/* 内訳バーリスト */
.chart { margin-top: 10px; }
.chart .row { display: grid; grid-template-columns: 11.5em 1fr auto; align-items: center; gap: 10px; padding: 7px 0; }
.chart .row .name { font-size: .88rem; font-weight: 700; }
.chart .row .track { display: block; background: var(--accent-soft); border-radius: 6px; height: 18px; overflow: hidden; }
.chart .row .bar {
  display: block; height: 100%; background: var(--accent);
  border-radius: 0 4px 4px 0;
  transition: width .45s cubic-bezier(.22, 1, .36, 1);
  min-width: 2px;
}
.chart .row .val { font-size: .88rem; font-weight: 800; font-variant-numeric: tabular-nums; white-space: nowrap; color: var(--text); }
.chart .total {
  display: flex; justify-content: space-between;
  border-top: 2px solid var(--text);
  margin-top: 10px; padding-top: 10px;
  font-weight: 900;
}
.note { font-size: .78rem; color: var(--sub); margin-top: 14px; }

/* 記事・データ表 */
.updated { font-size: .78rem; color: var(--sub); margin-bottom: 18px; }
table.data {
  width: 100%; border-collapse: collapse; font-size: .9rem;
  background: var(--card); border-radius: 12px; overflow: hidden;
  box-shadow: var(--shadow); margin: 14px 0 6px;
}
table.data th {
  background: var(--accent-soft); color: var(--accent-dark);
  font-weight: 800; padding: 10px 12px; text-align: left; font-size: .85rem;
}
table.data td { padding: 10px 12px; border-top: 1px solid var(--line); }
table.data td:last-child, table.data th:last-child { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.src { font-size: .76rem; color: var(--sub); margin: 4px 0 18px; }
.src a { color: var(--sub); }
.sources { font-size: .82rem; color: var(--sub); }
.sources li { margin-bottom: 6px; }
.sources a { color: var(--accent-dark); word-break: break-all; }

/* FAQ */
details {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 15px 18px;
  margin-bottom: 10px;
  box-shadow: var(--shadow);
}
details summary { font-weight: 800; cursor: pointer; font-size: .95rem; }
details summary::marker { color: var(--accent); }
details p { margin: 10px 0 0; font-size: .92rem; }

/* ツール一覧 */
.tool-list { display: grid; gap: 16px; }
.tool-card {
  display: block;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 24px;
  text-decoration: none;
  color: var(--text);
  box-shadow: var(--shadow);
  transition: transform .15s ease, box-shadow .15s ease;
}
.tool-card:hover { transform: translateY(-3px); box-shadow: 0 8px 28px rgba(180, 120, 60, .16); }
.tool-card .name { font-weight: 900; font-size: 1.08rem; color: var(--accent-dark); }
.tool-card .desc { font-size: .88rem; color: var(--sub); margin-top: 4px; display: block; }

footer.site {
  background: #453729;
  color: #d8cbbc;
  padding: 28px 0 40px;
  font-size: .8rem;
  margin-top: 40px;
}
footer.site nav { margin-bottom: 10px; }
footer.site a { color: #f0e5d8; margin-right: 16px; font-weight: 700; }

@media (max-width: 520px) {
  h1 { font-size: 1.3rem; }
  .result .amount { font-size: 1.75rem; }
  .chart .row { grid-template-columns: 1fr auto; }
  .chart .row .name { grid-column: 1 / -1; padding-bottom: 0; margin-bottom: -4px; }
}