/* ===================================================================
   級地検索 — 和モダン（生成りの台帳 × 朱印）
   =================================================================== */
:root {
  --paper: #f5efe2;
  --paper-deep: #ece3cf;
  --ink: #26323c;
  --ink-soft: #5a6873;
  --indigo: #1f3a5f;
  --indigo-deep: #162c49;
  --shu: #a93b26;          /* 朱 */
  --shu-soft: #c0563f;
  --gold: #b08d3c;
  --line: #d8cdb4;
  --card: #fbf7ec;
  --serif: "Shippori Mincho", "Hiragino Mincho ProN", serif;
  --sans: "Zen Kaku Gothic New", "Hiragino Kaku Gothic ProN", sans-serif;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.7;
  min-height: 100svh;
}

/* 和紙の質感（ノイズ＋うっすら繊維） */
.washi {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.55;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0.55 0 0 0 0 0.5 0 0 0 0 0.42 0 0 0 0.05 0'/%3E%3C/filter%3E%3Crect width='240' height='240' filter='url(%23n)'/%3E%3C/svg%3E");
}

header, main, footer { position: relative; z-index: 1; }

/* ---------- ヘッダー ---------- */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  max-width: 880px;
  margin: 0 auto;
  padding: 26px 20px 8px;
}

.brand { display: flex; align-items: center; gap: 14px; }

.brand-seal {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border: 3px solid var(--shu);
  border-radius: 50%;
  color: var(--shu);
  font-family: var(--serif);
  font-weight: 800;
  font-size: 26px;
  transform: rotate(-6deg);
  box-shadow: inset 0 0 0 1.5px rgba(169, 59, 38, 0.25);
  background: rgba(169, 59, 38, 0.04);
}

.brand-text h1 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 800;
  font-size: 28px;
  letter-spacing: 0.18em;
  color: var(--indigo-deep);
}

.brand-sub {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--ink-soft);
}

.period-picker { display: flex; align-items: center; gap: 8px; }

.period-label {
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--ink-soft);
  writing-mode: vertical-rl;
  border-right: 1px solid var(--line);
  padding-right: 6px;
}

#period-select {
  font-family: var(--sans);
  font-size: 13px;
  color: var(--indigo-deep);
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 8px 10px;
  cursor: pointer;
}

/* ---------- 検索 ---------- */
main { max-width: 880px; margin: 0 auto; padding: 0 20px 40px; }

.search-stage { text-align: center; padding: 30px 0 6px; }

.lede {
  font-family: var(--serif);
  font-size: 16px;
  color: var(--ink);
  margin: 0 0 22px;
  letter-spacing: 0.06em;
}

.search-box {
  position: relative;
  max-width: 560px;
  margin: 0 auto;
}

.search-icon {
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  width: 20px;
  height: 20px;
  color: var(--ink-soft);
  pointer-events: none;
}

#search-input {
  width: 100%;
  font-family: var(--sans);
  font-size: 18px;
  padding: 16px 48px 16px 50px;
  color: var(--ink);
  background: var(--card);
  border: 1.5px solid var(--line);
  border-radius: 999px;
  outline: none;
  box-shadow: 0 2px 0 rgba(38, 50, 60, 0.05);
  transition: border-color 0.2s, box-shadow 0.2s;
}

#search-input:focus {
  border-color: var(--indigo);
  box-shadow: 0 0 0 4px rgba(31, 58, 95, 0.12);
}

#search-input::placeholder { color: #a89f8c; font-size: 15px; }

#clear-btn {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  width: 30px;
  height: 30px;
  border: none;
  border-radius: 50%;
  background: var(--paper-deep);
  color: var(--ink-soft);
  font-size: 16px;
  cursor: pointer;
}

#suggest-list {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  right: 0;
  margin: 0;
  padding: 6px;
  list-style: none;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: 0 14px 30px rgba(38, 50, 60, 0.14);
  text-align: left;
  z-index: 20;
  max-height: 320px;
  overflow-y: auto;
}

#suggest-list li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 15px;
}

#suggest-list li .s-pref { color: var(--ink-soft); font-size: 12px; }
#suggest-list li .s-kyuchi { font-size: 12px; color: var(--indigo); white-space: nowrap; }
#suggest-list li.active,
#suggest-list li:hover { background: rgba(31, 58, 95, 0.08); }

.search-hint { font-size: 12px; color: var(--ink-soft); margin-top: 12px; letter-spacing: 0.04em; }

/* ---------- 結果 ---------- */
.result { margin: 26px auto 8px; max-width: 720px; animation: rise 0.35s ease both; }

@keyframes rise {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

.result-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 10px 28px rgba(38, 50, 60, 0.1);
}

.result-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
  padding: 20px 24px 6px;
}

.result-pref {
  font-size: 13px;
  color: var(--ink-soft);
  letter-spacing: 0.15em;
}

.result-muni {
  font-family: var(--serif);
  font-weight: 800;
  font-size: 30px;
  letter-spacing: 0.1em;
  color: var(--indigo-deep);
  margin: 0;
}

.ward-note, .fallback-note {
  font-size: 12px;
  color: var(--ink-soft);
  padding: 0 24px;
  margin: 0;
}

.differ-ribbon {
  margin: 12px 24px 0;
  padding: 8px 14px;
  background: rgba(169, 59, 38, 0.08);
  border: 1px solid rgba(169, 59, 38, 0.35);
  border-radius: 8px;
  color: var(--shu);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.same-ribbon {
  margin: 12px 24px 0;
  padding: 8px 14px;
  background: rgba(31, 58, 95, 0.06);
  border: 1px solid rgba(31, 58, 95, 0.18);
  border-radius: 8px;
  color: var(--indigo);
  font-size: 13px;
  letter-spacing: 0.06em;
}

.kyuchi-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  margin-top: 16px;
  border-top: 1px solid var(--line);
}

.kyuchi-cell {
  padding: 22px 18px 26px;
  text-align: center;
  position: relative;
}

.kyuchi-cell + .kyuchi-cell { border-left: 1px dashed var(--line); }

.kyuchi-kind {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.3em;
  text-indent: 0.3em;
  color: #fff;
  padding: 4px 14px;
  border-radius: 999px;
  margin-bottom: 16px;
}

.kind-kaigo { background: var(--indigo); }
.kind-shougai { background: var(--gold); }

.seal {
  width: 118px;
  height: 118px;
  margin: 0 auto 12px;
  border: 3.5px solid var(--shu);
  border-radius: 50%;
  display: grid;
  place-items: center;
  position: relative;
  color: var(--shu);
  background:
    radial-gradient(circle at 32% 28%, rgba(169, 59, 38, 0.07), transparent 60%);
  box-shadow: inset 0 0 0 2px rgba(169, 59, 38, 0.18);
  transform: rotate(-3deg);
}

.seal::after {
  /* 印影のかすれ */
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='118' height='118'%3E%3Cfilter id='k'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.55' numOctaves='2'/%3E%3CfeColorMatrix values='0 0 0 0 0.96 0 0 0 0 0.94 0 0 0 0 0.88 0 0 0 0.5 0'/%3E%3C/filter%3E%3Crect width='118' height='118' filter='url(%23k)'/%3E%3C/svg%3E");
  mix-blend-mode: lighten;
  opacity: 0.5;
  pointer-events: none;
}

.seal-num {
  font-family: var(--serif);
  font-weight: 800;
  font-size: 52px;
  line-height: 1;
  letter-spacing: 0;
}

.seal-num.is-other { font-size: 34px; letter-spacing: 0.1em; }

.seal-label {
  display: block;
  font-family: var(--serif);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.4em;
  text-indent: 0.4em;
  margin-top: 2px;
}

.kyuchi-rate {
  font-size: 13px;
  color: var(--ink-soft);
}

.kyuchi-rate strong {
  font-family: var(--serif);
  font-size: 22px;
  color: var(--ink);
  margin-right: 2px;
}

/* ---------- 差分一覧 ---------- */
.diff-section { max-width: 720px; margin: 34px auto 0; }

.diff-toggle {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--ink);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px 16px;
  cursor: pointer;
  transition: background 0.2s;
}

.diff-toggle:hover { background: rgba(31, 58, 95, 0.05); }

.diff-mark {
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border: 2px solid var(--shu);
  border-radius: 50%;
  color: var(--shu);
  font-family: var(--serif);
  font-size: 13px;
  font-weight: 800;
  transform: rotate(-6deg);
}

.diff-count { color: var(--ink-soft); font-weight: 400; }
.diff-toggle .chev { width: 16px; height: 16px; margin-left: auto; transition: transform 0.25s; }
.diff-toggle[aria-expanded="true"] .chev { transform: rotate(180deg); }

.diff-body { margin-top: 10px; }

.diff-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  font-size: 14px;
}

.diff-table th, .diff-table td {
  text-align: left;
  padding: 9px 16px;
  border-bottom: 1px solid var(--line);
}

.diff-table th {
  background: var(--paper-deep);
  font-size: 12px;
  letter-spacing: 0.15em;
  color: var(--ink-soft);
  font-weight: 700;
}

.diff-table tr:last-child td { border-bottom: none; }
.diff-table tbody tr { cursor: pointer; }
.diff-table tbody tr:hover { background: rgba(31, 58, 95, 0.05); }

/* ---------- 注意書き・フッター ---------- */
.notes {
  max-width: 720px;
  margin: 36px auto 0;
  padding: 18px 22px;
  background: rgba(236, 227, 207, 0.55);
  border-left: 3px solid var(--gold);
  border-radius: 0 12px 12px 0;
}

.notes-title {
  margin: 0 0 8px;
  font-family: var(--serif);
  font-size: 15px;
  letter-spacing: 0.2em;
  color: var(--indigo-deep);
}

.notes ul { margin: 0; padding-left: 1.3em; font-size: 13px; color: var(--ink-soft); }
.notes li { margin: 4px 0; }
.notes a { color: var(--indigo); }

.site-footer {
  text-align: center;
  padding: 28px 20px 36px;
  font-size: 12px;
  color: var(--ink-soft);
  letter-spacing: 0.05em;
}

.site-footer .disclaimer {
  margin-top: 4px;
  font-size: 11px;
  color: #8d8472;
}

/* ---------- レスポンシブ ---------- */
.sp-only { display: none; }

@media (max-width: 600px) {
  .sp-only { display: inline; }
  .site-header { padding-top: 20px; }
  .brand-text h1 { font-size: 22px; }
  .period-label { writing-mode: horizontal-tb; border-right: none; padding-right: 0; }
  .kyuchi-grid { grid-template-columns: 1fr; }
  .kyuchi-cell + .kyuchi-cell { border-left: none; border-top: 1px dashed var(--line); }
  .result-muni { font-size: 24px; }
  .seal { width: 100px; height: 100px; }
  .seal-num { font-size: 44px; }
  .diff-table { font-size: 12.5px; }
  .diff-table th, .diff-table td { padding: 8px 10px; }
}

@media (prefers-reduced-motion: reduce) {
  .result { animation: none; }
  .diff-toggle .chev { transition: none; }
}

/* ---------- 1単位の単価（サービス別） ---------- */
.price-details {
  margin: 14px auto 0;
  max-width: 320px;
  text-align: left;
}

.price-details summary {
  cursor: pointer;
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--indigo);
  text-align: center;
  padding: 6px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(31, 58, 95, 0.04);
  list-style: none;
}

.price-details summary::-webkit-details-marker { display: none; }
.price-details summary::after { content: " ▾"; font-size: 10px; }
.price-details[open] summary::after { content: " ▴"; }
.price-details summary:hover { background: rgba(31, 58, 95, 0.09); }

.price-table {
  display: block;
  width: 100%;
  margin-top: 8px;
  font-size: 11.5px;
  background: rgba(255, 255, 255, 0.5);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.price-table tbody { display: block; }

/* サービス名を全幅で表示し、金額をその下に右寄せ（狭いカラムでも読める2段組） */
.price-table tr {
  display: block;
  padding: 7px 10px 6px;
  border-bottom: 1px dashed var(--line);
}

.price-table tr:last-child { border-bottom: none; }

.price-table td { display: block; padding: 0; border: none; }

.pt-services {
  color: var(--ink-soft);
  line-height: 1.6;
  text-align: left;
}

.pt-price {
  white-space: nowrap;
  text-align: right;
  color: var(--ink);
  margin-top: 1px;
}

.pt-price strong {
  font-family: var(--serif);
  font-size: 15px;
}

.pt-note {
  margin: 6px 2px 0;
  font-size: 10.5px;
  color: var(--ink-soft);
  line-height: 1.5;
}

/* ---------- 介護/障害で級地が異なるとき: 高い方を金、低い方をグレー ---------- */
.cell-higher .seal {
  border-color: var(--gold);
  color: var(--gold);
  box-shadow:
    inset 0 0 0 2px rgba(176, 141, 60, 0.25),
    0 4px 14px rgba(176, 141, 60, 0.25);
  background: radial-gradient(circle at 32% 28%, rgba(176, 141, 60, 0.12), transparent 60%);
}

.cell-higher .kyuchi-rate strong { color: var(--gold); }

.cell-lower .seal {
  border-color: #9aa0a3;
  color: #9aa0a3;
  box-shadow: inset 0 0 0 2px rgba(120, 126, 130, 0.15);
  background: radial-gradient(circle at 32% 28%, rgba(120, 126, 130, 0.06), transparent 60%);
}

.cell-lower .kyuchi-rate, .cell-lower .kyuchi-rate strong { color: #8b9196; }

.diff-table td.diff-higher { color: var(--gold); font-weight: 700; }
.diff-table td.diff-lower { color: #9aa0a3; }

/* ---------- 上乗せ割合のしくみ（強調コールアウト＋※モーダル） ---------- */
.formula-callout {
  max-width: 720px;
  margin: 36px auto 0;
  padding: 18px 22px 16px;
  background: rgba(169, 59, 38, 0.05);
  border: 1.5px solid rgba(169, 59, 38, 0.4);
  border-radius: 14px;
}

.fc-mark {
  display: inline-grid;
  place-items: center;
  width: 22px;
  height: 22px;
  margin-right: 8px;
  border: 2px solid var(--shu);
  border-radius: 50%;
  color: var(--shu);
  font-size: 13px;
  font-weight: 800;
  transform: rotate(-6deg);
}

.fc-head {
  margin: 0 0 10px;
  font-size: 14.5px;
  font-weight: 700;
  color: var(--shu);
  letter-spacing: 0.04em;
}

.fc-formula {
  margin: 0 0 8px;
  padding: 10px 14px;
  background: var(--card);
  border: 1px dashed var(--line);
  border-radius: 8px;
  font-family: var(--serif);
  font-size: 16px;
  font-weight: 700;
  color: var(--indigo-deep);
  text-align: center;
  letter-spacing: 0.04em;
}

.fc-formula em { font-style: normal; color: var(--shu); }
.fc-example { margin: 0; font-size: 12.5px; color: var(--ink-soft); line-height: 1.7; }

.rate-help {
  margin-left: 6px;
  width: 20px;
  height: 20px;
  padding: 0;
  border: 1.5px solid var(--shu);
  border-radius: 50%;
  background: rgba(169, 59, 38, 0.06);
  color: var(--shu);
  font-size: 11px;
  font-weight: 800;
  cursor: pointer;
  vertical-align: 1px;
  transition: background 0.15s;
}

.rate-help:hover { background: rgba(169, 59, 38, 0.16); }

#rate-modal {
  max-width: 440px;
  border: 1.5px solid var(--line);
  border-radius: 16px;
  padding: 22px 24px;
  background: var(--card);
  color: var(--ink);
  font-family: var(--sans);
  line-height: 1.8;
  box-shadow: 0 24px 60px rgba(38, 50, 60, 0.3);
}

#rate-modal::backdrop { background: rgba(38, 50, 60, 0.45); }

#rate-modal h2 {
  margin: 0 0 10px;
  font-family: var(--serif);
  font-size: 17px;
  color: var(--indigo-deep);
  letter-spacing: 0.06em;
}

#rate-modal p { margin: 0 0 10px; font-size: 13px; }

.rate-modal-example {
  padding: 10px 14px;
  background: rgba(31, 58, 95, 0.05);
  border-radius: 8px;
  font-size: 13.5px !important;
}

.rate-modal-close {
  display: block;
  margin: 6px auto 0;
  padding: 8px 28px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--indigo);
  color: #fff;
  font-family: var(--sans);
  font-size: 13px;
  letter-spacing: 0.1em;
  cursor: pointer;
}

/* ---------- 3カラム（障害児追加） ---------- */
.kind-shougaiji { background: #3a7a6a; }

.kyuchi-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.kyuchi-grid.cols-3 .price-details { max-width: 100%; }
.pt-varies { font-size: 10.5px; color: var(--ink-soft); }

@media (max-width: 720px) {
  .kyuchi-grid.cols-3 { grid-template-columns: 1fr; }
  .kyuchi-grid.cols-3 .kyuchi-cell + .kyuchi-cell { border-left: none; border-top: 1px dashed var(--line); }
}

.rm-naive { display: block; margin-top: 4px; font-size: 11.5px; color: var(--shu); }