:root {
  --bg: #f5f5f3;
  --panel: #ffffff;
  --ink: #1d1d1b;
  --sub: #6b6b66;
  --line: #deded8;
  --accent: #1f4e79;
  --accent-bg: #e8eef5;
  --ok: #2e7d4f;
  --ok-bg: #e6f2eb;
  --warn: #b3261e;
  --warn-bg: #fbe9e7;
  --check: #8a6100;
  --check-bg: #fdf3dc;
  --muted-bg: #efefeb;
  --radius: 6px;
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN", "Yu Gothic", "Meiryo", sans-serif;
  font-size: 14px;
  color: var(--ink);
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); }
a { color: var(--accent); }
header.top {
  display: flex; align-items: center; gap: 24px;
  padding: 0 20px; height: 52px; background: var(--ink); color: #fff;
  position: sticky; top: 0; z-index: 10;
}
header.top h1 { font-size: 15px; font-weight: 700; margin: 0; letter-spacing: .04em; white-space: nowrap; }
header.top nav { display: flex; gap: 4px; }
header.top nav button {
  background: transparent; color: #cfcfca; border: 0; padding: 8px 14px; border-radius: var(--radius);
  font-size: 14px; cursor: pointer;
}
header.top nav button.active { background: #fff; color: var(--ink); font-weight: 700; }
header.top .ver { margin-left: auto; font-size: 12px; color: #a9a9a3; }
@media (max-width: 1150px) { header.top .ver { visibility: hidden; } }
@media (max-width: 900px) { header.top { gap: 12px; overflow-x: auto; } header.top nav button { padding: 8px 10px; } }
header.top .who { white-space: nowrap; display: flex; gap: 8px; align-items: center; font-size: 12px; color: #cfcfca; }
header.top .who button { background: transparent; color: #cfcfca; border-color: #555; }
main { padding: 20px; max-width: 1400px; margin: 0 auto; }
.tab { display: none; }
.tab.active { display: block; }
.cols { display: grid; grid-template-columns: 380px 1fr; gap: 20px; align-items: start; }
@media (max-width: 1000px) { .cols { grid-template-columns: 1fr; } }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; }
.panel + .panel { margin-top: 16px; }
.panel h2 { font-size: 15px; margin: 0 0 12px; }
.panel h3 { font-size: 13px; margin: 16px 0 8px; color: var(--sub); border-bottom: 1px solid var(--line); padding-bottom: 4px; }
input.from-gis, select.from-gis { background: #fffbe6; border-color: #e6c75a; }
.hint { font-size: 12px; color: var(--sub); line-height: 1.6; }
label.f { display: block; margin-bottom: 8px; font-size: 12px; color: var(--sub); }
label.f > span { display: block; margin-bottom: 3px; }
input, select, textarea {
  width: 100%; padding: 6px 8px; border: 1px solid var(--line); border-radius: 4px;
  font: inherit; color: var(--ink); background: #fff;
}
textarea { min-height: 60px; }
input[type=checkbox] { width: auto; }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.row3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 8px; }
.inline { display: flex; gap: 8px; align-items: center; }
button, .btn {
  font: inherit; padding: 7px 14px; border-radius: 4px; border: 1px solid var(--line);
  background: #fff; color: var(--ink); cursor: pointer; white-space: nowrap;
}
button.primary { background: var(--accent); color: #fff; border-color: var(--accent); }
button.small { padding: 3px 8px; font-size: 12px; }
button:disabled { opacity: .5; cursor: default; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px; }
.badge { display: inline-block; padding: 1px 7px; border-radius: 10px; font-size: 11px; font-weight: 600; background: var(--muted-bg); color: var(--sub); }
.badge.warn { background: var(--warn-bg); color: var(--warn); }
.badge.check { background: var(--check-bg); color: var(--check); }
.badge.ok { background: var(--ok-bg); color: var(--ok); }
.badge.info { background: var(--accent-bg); color: var(--accent); }
.summary { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 12px; }
.summary .kpi { background: var(--muted-bg); padding: 8px 12px; border-radius: var(--radius); min-width: 120px; }
.summary .kpi b { display: block; font-size: 18px; }
.summary .kpi small { color: var(--sub); font-size: 11px; }
.item { border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 14px; margin-bottom: 10px; background: #fff; }
.item.lv-warn { border-left: 4px solid var(--warn); }
.item.lv-check { border-left: 4px solid #d9a400; }
.item.na { opacity: .6; }
.item .head { display: flex; gap: 8px; align-items: baseline; flex-wrap: wrap; }
.item .head .cat { font-size: 11px; color: var(--sub); }
.item .head .title { font-weight: 700; }
.item .result { margin: 6px 0; font-size: 14px; }
.item ul.detail { margin: 4px 0 6px; padding-left: 18px; color: var(--sub); font-size: 12.5px; }
.cites { margin-top: 6px; }
.cite { font-size: 12.5px; padding: 6px 8px; background: #fafaf8; border: 1px solid var(--line); border-radius: 4px; margin-top: 4px; }
.cite .lbl { font-weight: 600; }
.cite details summary { cursor: pointer; color: var(--sub); font-size: 12px; margin-top: 2px; }
.cite .ex { color: var(--sub); font-size: 12px; line-height: 1.6; margin-top: 4px; }
.cite.office { background: var(--ok-bg); }
.cite.local { background: #fffaf0; }
.learn { margin-top: 8px; font-size: 12px; background: var(--ok-bg); padding: 6px 8px; border-radius: 4px; }
.learn.past { background: var(--check-bg); }
.review { margin-top: 8px; display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.review .done { font-size: 12px; }
.fixform { margin-top: 8px; padding: 10px; border: 1px dashed var(--line); border-radius: 4px; background: #fcfcfb; }
table.t { width: 100%; border-collapse: collapse; font-size: 13px; }
table.t th, table.t td { border-bottom: 1px solid var(--line); padding: 6px 8px; text-align: left; vertical-align: top; }
table.t th { font-size: 12px; color: var(--sub); font-weight: 600; background: #fafaf8; }
table.t td.num { text-align: right; font-variant-numeric: tabular-nums; }
tr.clickable { cursor: pointer; }
tr.clickable:hover { background: var(--accent-bg); }
.ua-big { font-size: 40px; font-weight: 800; letter-spacing: -.02em; }
.ua-big small { font-size: 14px; color: var(--sub); font-weight: 400; }
.bar { height: 8px; background: var(--muted-bg); border-radius: 4px; overflow: hidden; }
.bar > i { display: block; height: 100%; background: var(--accent); }
.part { border: 1px solid var(--line); border-radius: var(--radius); padding: 10px; margin-bottom: 10px; background: #fff; }
.part .ph { display: grid; grid-template-columns: 1.3fr 1fr .8fr .6fr auto; gap: 6px; align-items: end; }
.layers { margin-top: 8px; }
.layer { display: grid; grid-template-columns: 22px 1fr 90px 60px auto; gap: 6px; align-items: center; margin-bottom: 4px; font-size: 12px; }
.layer .n { color: var(--sub); text-align: center; }
.layer .r { color: var(--sub); font-size: 11px; text-align: right; }
.frame { display: grid; grid-template-columns: auto 80px auto 1fr; gap: 6px; align-items: center; font-size: 12px; margin-top: 6px; color: var(--sub); }
.empty { color: var(--sub); padding: 24px; text-align: center; }
.toast { position: fixed; bottom: 20px; right: 20px; background: var(--ink); color: #fff; padding: 10px 16px; border-radius: var(--radius); font-size: 13px; opacity: 0; transition: opacity .2s; pointer-events: none; z-index: 50; }
.toast.show { opacity: 1; }
.disclaimer { font-size: 11.5px; color: var(--sub); border-top: 1px solid var(--line); margin-top: 12px; padding-top: 8px; line-height: 1.6; }

/* ホーム */
.home-hero h2 { font-size: 20px; margin: 4px 0 6px; }
.home-hero { margin-bottom: 16px; }
.pillars { display: grid; grid-template-columns: 1fr 28px 1fr 28px 1fr; gap: 8px; align-items: stretch; }
.pillar { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; display: flex; flex-direction: column; gap: 8px; cursor: pointer; }
.pillar:hover { border-color: var(--accent); }
.pillar .pn { width: 28px; height: 28px; border-radius: 50%; background: var(--ink); color: #fff; display: grid; place-items: center; font-weight: 700; }
.pillar h3 { margin: 0; font-size: 17px; }
.pillar p { margin: 0; font-size: 13px; line-height: 1.7; color: var(--sub); flex: 1; }
.pillar .stats { font-size: 12px; background: var(--muted-bg); border-radius: 4px; padding: 6px 8px; }
.pillar button { align-self: flex-start; }
.arrow { display: grid; place-items: center; color: var(--sub); font-size: 20px; }
@media (max-width: 1000px) { .pillars { grid-template-columns: 1fr; } .arrow { transform: rotate(90deg); } }
.extra { padding: 10px 0; border-bottom: 1px solid var(--line); cursor: pointer; font-size: 13px; }
.extra:hover b { color: var(--accent); }

/* ターム比較 */
.term-card { border: 1px solid var(--line); border-radius: var(--radius); padding: 10px 12px; margin-bottom: 8px; background: #fff; }
.term-card.locked { border-left: 4px solid var(--accent); }
.term-card .head { display: flex; gap: 8px; align-items: baseline; }
.term-card .head b { font-size: 14px; }
.term-card .nums { font-size: 12px; color: var(--sub); margin: 4px 0; }
.dec-row { display: grid; grid-template-columns: 130px 1fr 1fr 1fr 24px; gap: 4px; margin-bottom: 4px; }
.dec-row input, .dec-row select { font-size: 12px; padding: 4px 6px; }
td.chg { background: var(--check-bg); }
td.chg .d { color: var(--check); font-size: 11px; display: block; }
.charts { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 12px; }
@media (max-width: 1000px) { .charts { grid-template-columns: 1fr; } }
.chart h4 { font-size: 12px; margin: 0 0 4px; color: var(--sub); font-weight: 600; }
.chart svg { width: 100%; height: auto; display: block; }
.chart .tip { position: fixed; pointer-events: none; background: var(--ink); color: #fff; font-size: 12px; padding: 4px 8px; border-radius: 4px; display: none; z-index: 60; }
.impact { border: 1px solid var(--line); border-radius: var(--radius); padding: 14px; margin-top: 12px; }
.impact.lv-2 { border-left: 4px solid #d9a400; } .impact.lv-3 { border-left: 4px solid var(--warn); }
.impact .big { font-size: 18px; font-weight: 800; }
.impact .talk { background: var(--accent-bg); padding: 10px 12px; border-radius: 4px; line-height: 1.8; margin-top: 8px; }

/* 印刷（協議用チェックシート） */
#print-area { display: none; }
@media print {
  @page { size: A4 portrait; margin: 12mm; }
  body { background: #fff; }
  header.top, main { display: none !important; }
  #print-area { display: block; font-size: 10.5px; }
  #print-area h1 { font-size: 16px; margin: 0 0 4px; }
  #print-area .meta { font-size: 10px; color: #444; margin-bottom: 8px; }
  #print-area table { width: 100%; border-collapse: collapse; }
  #print-area th, #print-area td { border: 1px solid #999; padding: 4px 5px; vertical-align: top; }
  #print-area th { background: #eee; }
  #print-area tr { page-break-inside: avoid; }
  #print-area .u { font-size: 9px; color: #444; word-break: break-all; }
  #print-area .chk { width: 70px; }
}