:root {
  --bg: #f5f6f8; --card: #fff; --text: #1d2330; --muted: #6b7280; --line: #e3e6eb;
  --primary: #1f6feb; --primary-ink: #fff; --danger: #c62828; --accent: #fff4d6; --chip: #eef3ff;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #14171c; --card: #1d2128; --text: #e7e9ee; --muted: #9aa3b2; --line: #2e343e;
    --primary: #4c8dff; --accent: #3a3320; --chip: #24304a; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text);
  font: 16px/1.6 system-ui, -apple-system, "Hiragino Sans", "Yu Gothic UI", "Meiryo", sans-serif; }
main { max-width: 960px; margin: 0 auto; padding: 16px; }
a { color: var(--primary); }
h1 { font-size: 1.3rem; margin: 0 0 12px; } h2 { font-size: 1.1rem; margin: 0; }

.topbar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px;
  padding: 10px 16px; background: var(--card); border-bottom: 1px solid var(--line); }
.brand { font-weight: 700; text-decoration: none; color: var(--text); }
.topbar nav { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }
.topbar nav a { text-decoration: none; }
.inline { display: inline; }

.card { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 16px; margin-bottom: 16px; }
.card.narrow { max-width: 420px; margin: 40px auto; }
label { display: block; margin-bottom: 12px; font-size: .9rem; color: var(--muted); }
input, select { display: block; width: 100%; margin-top: 4px; padding: 10px; font-size: 16px;
  border: 1px solid var(--line); border-radius: 8px; background: var(--card); color: var(--text); }
input:focus, select:focus { outline: 2px solid var(--primary); outline-offset: -1px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 12px; }
.grid2.tight { gap: 0 8px; }
@media (max-width: 560px) { .grid2 { grid-template-columns: 1fr; } .grid2.tight { grid-template-columns: 1fr 1fr; } }

button, .button { display: inline-block; padding: 10px 16px; font-size: 1rem; border-radius: 8px; cursor: pointer;
  border: 1px solid var(--line); background: var(--card); color: var(--text); text-decoration: none; }
.primary { background: var(--primary); border-color: var(--primary); color: var(--primary-ink); }
.secondary { width: 100%; margin: 4px 0 12px; border-style: dashed; }
.danger { background: transparent; color: var(--danger); border-color: var(--danger); }
.wide { width: 100%; }
button.link { background: none; border: 0; padding: 0; color: var(--primary); font-size: .9rem; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin-top: 8px; }
.row-between { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.error { color: var(--danger); background: color-mix(in srgb, var(--danger) 10%, transparent);
  padding: 8px 12px; border-radius: 8px; }
.muted { color: var(--muted); }

/* グループ */
.group { border: 1px solid var(--line); border-radius: 10px; padding: 12px; margin: 0 0 12px; }
.group legend { padding: 0 6px; font-weight: 600; }
.members { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 8px; }
.chip { display: inline-flex; align-items: center; gap: 6px; background: var(--chip); border-radius: 999px; padding: 4px 6px 4px 12px; }
.chip.leader { background: var(--accent); }
.chip.leader b::before { content: "★"; margin-right: 2px; }
.chip .cc { display: inline-flex; align-items: center; gap: 2px; margin: 0; font-size: .75rem; }
.chip .cc input { width: 3.2em; padding: 2px 4px; margin: 0; font-size: .85rem; }
.chip button { border: 0; background: none; padding: 0 6px; font-size: 1.1rem; color: var(--muted); }

/* 候補 */
.ac { position: relative; }
.suggest { position: absolute; z-index: 10; left: 0; right: 0; top: 100%; margin: 2px 0 0; padding: 4px 0; list-style: none;
  background: var(--card); border: 1px solid var(--line); border-radius: 8px; box-shadow: 0 6px 20px rgba(0,0,0,.15);
  max-height: 280px; overflow-y: auto; color: var(--text); }
.suggest li { padding: 10px 12px; cursor: pointer; }
.suggest li small { color: var(--muted); margin-left: 6px; }
.suggest li.active, .suggest li:hover { background: var(--chip); }

/* 一覧 */
.monthnav { display: flex; align-items: center; justify-content: center; gap: 20px; }
.monthnav a { text-decoration: none; font-size: 1.3rem; }
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; margin-bottom: 12px; }
.kpis span { display: block; font-size: .8rem; color: var(--muted); } .kpis b { font-size: 1.3rem; }
.scroll { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-size: .9rem; }
th, td { padding: 6px 8px; border-bottom: 1px solid var(--line); white-space: nowrap; }
table.num td, table.num th { text-align: right; } table.num .l { text-align: left; }
.joblist { list-style: none; padding: 0; margin: 0; }
.joblist li { border-bottom: 1px solid var(--line); }
.joblist a { display: grid; grid-template-columns: 9em 1fr auto; gap: 4px 10px; padding: 10px 4px; text-decoration: none; color: var(--text); }
.joblist .w { grid-column: 1 / -1; color: var(--muted); font-size: .85rem; }
.tag { font-size: .75rem; background: var(--accent); border-radius: 4px; padding: 0 6px; align-self: center; }
@media (max-width: 560px) { .joblist a { grid-template-columns: 1fr auto; } .joblist .s { grid-column: 1 / -1; grid-row: 2; } }
.day { font-size: .95rem; margin: 16px 0 4px; padding-bottom: 4px; border-bottom: 2px solid var(--line); }
.joblist .n { color: var(--muted); font-size: .85rem; text-align: right; }
.small { font-size: .85rem; }

/* タブ（案件登録がメイン） */
.tabs { display: flex; gap: 4px; max-width: 960px; margin: 0 auto; padding: 8px 16px 0; }
.tabs a { flex: 1; text-align: center; padding: 10px 6px; border: 1px solid var(--line); border-bottom: 0;
  border-radius: 10px 10px 0 0; background: var(--bg); color: var(--muted); text-decoration: none; font-weight: 600; }
.tabs a.main { flex: 1.4; }
.tabs a.on { background: var(--card); color: var(--text); box-shadow: inset 0 3px 0 var(--primary); }
.tabs a.main.on { color: var(--primary); }
.notice { background: color-mix(in srgb, #2e9d57 14%, transparent); border-radius: 8px; padding: 10px 12px; margin-bottom: 12px; }
.notice a { margin-left: 10px; }

/* 職人一覧・メンテ */
.filters { display: flex; flex-wrap: wrap; gap: 8px; margin: 8px 0 12px; }
.filters input { flex: 1 1 200px; margin: 0; } .filters select { flex: 0 1 180px; margin: 0; }
td.r, th.r { text-align: right; }
label.check { display: flex; align-items: center; gap: 8px; color: var(--text); margin-bottom: 2px; }
label.check input { width: auto; margin: 0; }
.help { margin: -8px 0 12px; font-size: .8rem; color: var(--muted); }
.notice, .error { margin-bottom: 12px; }
@media (max-width: 560px) { .hide-sm { display: none; } th, td { padding: 6px 5px; } }

/* 明細 */
.stmt-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; }
.stmt-head h1 { margin: 0; } .stmt-head p { margin: 0; }
table.stmt tfoot th { border-top: 2px solid var(--line); }
.stmt-sum { width: auto; min-width: 280px; margin: 16px 0 8px auto; }
.stmt-sum tr.total th, .stmt-sum tr.total td { font-size: 1.1rem; font-weight: 700; background: var(--accent); }
.links { list-style: none; padding: 0; margin: 12px 0 0; }
.links li { border-top: 1px solid var(--line); padding: 10px 0; }
.copyrow { display: flex; gap: 6px; margin-bottom: 4px; } .copyrow input { margin: 0; font-size: .85rem; }
.danger-link { color: var(--danger); margin-left: 8px; }

/* 顧客別 */
.bar { display: inline-block; width: 60px; height: 8px; margin-right: 6px; border-radius: 4px; vertical-align: middle;
  background: linear-gradient(to right, var(--primary) var(--w), var(--line) var(--w)); }
@media (max-width: 560px) {
  .bar { display: none; }
  .tabs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 4px; padding-bottom: 8px; }
  .tabs a, .tabs a.main { border: 1px solid var(--line); border-radius: 8px; white-space: nowrap; padding: 8px 2px; font-size: .85rem; }
  .tabs a.on { box-shadow: inset 0 -3px 0 var(--primary); }
  table.stmt { font-size: .8rem; }
}