:root {
  --bg: #f4f5f7;
  --card: #ffffff;
  --ink: #1f2328;
  --muted: #6b7280;
  --line: #e2e4e8;
  --accent: #2563eb;
  --accent-ink: #ffffff;
  --danger: #b91c1c;
  --warn-bg: #fff7ed;
  --warn-line: #fed7aa;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", "Hiragino Kaku Gothic ProN",
    "Yu Gothic UI", Meiryo, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
}

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

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 16px;
  background: var(--card);
  border-bottom: 1px solid var(--line);
}
.topbar .brand { font-weight: 700; text-decoration: none; color: var(--ink); }
.topbar nav { display: flex; align-items: center; gap: 14px; }

.container { max-width: 860px; margin: 0 auto; padding: 20px 16px 60px; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 20px;
}
.card.narrow { max-width: 460px; margin: 0 auto; }
.subcard {
  background: #fafbfc;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 14px;
}

h1 { font-size: 1.4rem; margin: 0 0 8px; }
h2 { font-size: 1.1rem; margin: 24px 0 8px; }
h3 { font-size: 1rem; margin: 0 0 10px; }

.muted { color: var(--muted); }
.hint { color: var(--muted); font-size: 0.85rem; margin-top: 8px; }
.right { text-align: right; font-size: 0.9rem; }

.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.row.spread { justify-content: space-between; }
.inline { display: inline; margin: 0; }

label { display: block; margin: 12px 0; }
label > span { display: block; font-size: 0.9rem; color: var(--muted); margin-bottom: 4px; }
label.check, label.check > span { display: inline; }
label.check { display: flex; gap: 8px; align-items: flex-start; }

input[type="text"], input[type="password"], input[type="date"],
input[type="number"], select {
  width: 100%;
  padding: 9px 10px;
  font-size: 1rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}
.row input, .row select, .row button { width: auto; }

button, .primary, .bigbtn {
  font: inherit;
  cursor: pointer;
}
button.primary, a.primary {
  display: inline-block;
  background: var(--accent);
  color: var(--accent-ink);
  border: none;
  border-radius: 8px;
  padding: 9px 16px;
  text-decoration: none;
  margin-top: 8px;
}
button, .row button {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 14px;
}
.linklike {
  background: none;
  border: none;
  color: var(--accent);
  padding: 0;
  cursor: pointer;
}
.danger-btn {
  background: var(--danger);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 9px 16px;
}
a.danger, .actions a.danger { color: var(--danger); }

.adminnav { display: flex; flex-wrap: wrap; gap: 8px 16px; }

.choice { display: grid; gap: 12px; margin-top: 16px; }
.bigbtn {
  display: block;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 10px;
  text-decoration: none;
  color: var(--ink);
  background: #fafbfc;
}
.bigbtn strong { display: block; color: var(--accent); }
.bigbtn span { color: var(--muted); font-size: 0.9rem; }

.list { list-style: none; padding: 0; }
.list li { padding: 10px 0; border-bottom: 1px solid var(--line); }

table.grid { width: 100%; border-collapse: collapse; margin-top: 8px; font-size: 0.92rem; }
table.grid th, table.grid td {
  text-align: left;
  padding: 7px 8px;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}
table.grid tr.dim td { color: var(--muted); }
table.grid tr.future td { color: var(--muted); font-style: italic; }
.actions { display: flex; gap: 10px; }

.summary {
  display: flex;
  align-items: baseline;
  gap: 20px;
  flex-wrap: wrap;
  margin: 12px 0;
  padding: 14px 16px;
  background: #f0f6ff;
  border: 1px solid #d5e4fb;
  border-radius: 10px;
}
.bignum .label { display: block; font-size: 0.8rem; color: var(--muted); }
.bignum .value { font-size: 1.8rem; font-weight: 700; }
.bignum .value.neg, .neg { color: var(--danger); }
.submeta { display: flex; gap: 16px; flex-wrap: wrap; color: var(--muted); font-size: 0.9rem; }

.alert {
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: var(--danger);
  border-radius: 8px;
  padding: 10px 12px;
}
.alert.warn {
  background: var(--warn-bg);
  border-color: var(--warn-line);
  color: #9a3412;
}
.alert.warn ul { margin: 6px 0 0; padding-left: 18px; }

.updated-note {
  background: #f0f6ff;
  border: 1px solid #d5e4fb;
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 0.9rem;
}

.ok-line {
  background: #ecfdf5;
  border: 1px solid #a7f3d0;
  color: #065f46;
  border-radius: 8px;
  padding: 10px 12px;
}

.detail-box {
  background: #fafbfc;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 12px;
  font-weight: 600;
}

/* 月間表 */
.month-bar { margin: 12px 0; }
.navbtn {
  display: inline-block;
  padding: 6px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  text-decoration: none;
  background: #fff;
}
.inline-label { display: flex; gap: 6px; align-items: center; }

.grid-scroll {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
}
table.monthgrid {
  border-collapse: collapse;
  font-size: 0.85rem;
}
table.monthgrid th,
table.monthgrid td {
  border: 1px solid var(--line);
  text-align: center;
  padding: 4px 2px;
}
table.monthgrid thead th {
  position: sticky;
  top: 0;
  background: #f4f5f7;
  min-width: 30px;
  line-height: 1.1;
  z-index: 1;
}
table.monthgrid .wdlabel { color: var(--muted); font-size: 0.7rem; }
table.monthgrid .namecol {
  position: sticky;
  left: 0;
  background: #fff;
  text-align: left;
  white-space: nowrap;
  min-width: 92px;
  padding: 4px 8px;
  z-index: 2;
}
table.monthgrid thead .namecol { z-index: 3; background: #f4f5f7; }
table.monthgrid .wd0 { background: #fff1f2; }
table.monthgrid .wd6 { background: #eff6ff; }
table.monthgrid .todaycol { outline: 2px solid var(--accent); }
td.cell { cursor: pointer; user-select: none; font-size: 1rem; }
td.cell.v1 { color: var(--accent); font-weight: 700; }
td.cell.v05 { color: #b45309; font-weight: 700; }
td.cell:hover { background: #fef9c3; }

.store-block { margin-top: 22px; }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 16px; }

@media (max-width: 620px) {
  .two-col { grid-template-columns: 1fr; }
  table.grid { display: block; overflow-x: auto; }
}