:root {
  --bg: #f7f3ec;
  --card: #ffffff;
  --line: #e2d8c8;
  --text: #33291f;
  --muted: #7a6c5c;
  --brand: #7a4a2f;
  --brand-dark: #5c3821;
  --accent: #c47a3d;
  --danger: #b3432b;
  --warn-bg: #fff4dc;
  --warn: #8a5a00;
  --ok: #4f7a3a;
  --sans: "Noto Sans JP", "Hiragino Sans", "Yu Gothic UI", sans-serif;
}
* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: var(--sans); font-size: 16px; line-height: 1.6; }
a { color: var(--brand); }

header.app-header { background: var(--brand); color: #fff; }
header.app-header .inner { max-width: 1100px; margin: 0 auto; padding: 12px 16px; display: flex; flex-wrap: wrap; gap: 8px 16px; align-items: center; justify-content: space-between; }
header.app-header h1 { font-size: 1.25rem; margin: 0; }
header.app-header nav { display: flex; flex-wrap: wrap; gap: 6px; }
header.app-header nav a, header.app-header nav button { color: #fff; text-decoration: none; padding: 6px 14px; border: 1px solid rgba(255,255,255,.45); border-radius: 999px; font-size: .95rem; background: none; cursor: pointer; font-family: inherit; }
header.app-header nav a.is-active { background: #fff; color: var(--brand); font-weight: 700; }

main { max-width: 1100px; margin: 0 auto; padding: 16px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 16px; margin-bottom: 16px; }
.card h2 { font-size: 1.1rem; margin: 0 0 10px; }
.row { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.spacer { flex: 1; }
.muted { color: var(--muted); font-size: .9rem; }
.big { font-size: 1.3rem; font-weight: 700; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; min-height: 48px; padding: 0 20px; border-radius: 10px; border: 0; background: var(--brand); color: #fff; font-size: 1rem; font-weight: 700; font-family: inherit; cursor: pointer; text-decoration: none; }
.btn:hover { background: var(--brand-dark); }
.btn.secondary { background: #fff; color: var(--brand); border: 2px solid var(--brand); }
.btn.danger { background: #fff; color: var(--danger); border: 2px solid var(--danger); }
.btn.small { min-height: 36px; padding: 0 12px; font-size: .9rem; }
.btn:disabled { opacity: .5; cursor: default; }

input, select, textarea { font: inherit; padding: 8px 10px; border: 1px solid var(--line); border-radius: 8px; background: #fff; min-height: 42px; }
input[type="number"] { width: 8em; text-align: right; }
label.field { display: flex; flex-direction: column; gap: 4px; font-size: .9rem; color: var(--muted); }
label.field > input, label.field > select { color: var(--text); }

.notice { border-radius: 10px; padding: 12px 14px; margin-bottom: 12px; }
.notice.warn { background: var(--warn-bg); color: var(--warn); border: 1px solid #f0d79a; }
.notice.ok { background: #eef6e8; color: var(--ok); border: 1px solid #cfe3c1; }
.notice.danger { background: #fbeae6; color: var(--danger); border: 1px solid #efc4b9; }
.notice ul { margin: 6px 0 0; padding-left: 1.2em; }

.status { display: inline-block; padding: 2px 12px; border-radius: 999px; font-size: .9rem; font-weight: 700; }
.status.draft { background: var(--warn-bg); color: var(--warn); }
.status.confirmed { background: #eef6e8; color: var(--ok); }

.table-wrap { overflow-x: auto; }
table.list { width: 100%; border-collapse: collapse; font-size: .95rem; }
table.list th, table.list td { padding: 10px 8px; border-bottom: 1px solid var(--line); text-align: right; white-space: nowrap; }
table.list th { color: var(--muted); font-weight: 600; font-size: .85rem; background: #fbf8f3; }
table.list td.name, table.list th.name { text-align: left; }
table.list tbody tr { cursor: pointer; }
table.list tbody tr:hover { background: #fbf6ee; }
table.list tbody tr.selected { background: #f6ead9; }
table.list tfoot td { font-weight: 700; border-top: 2px solid var(--line); }
.tag { display: inline-block; font-size: .75rem; padding: 0 8px; border-radius: 999px; background: #efe6d8; color: var(--muted); margin-left: 6px; }
.tag.warn { background: var(--warn-bg); color: var(--warn); }

.detail-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; }
.kv { display: grid; grid-template-columns: 1fr auto; gap: 4px 16px; }
.kv .k { color: var(--muted); }
.kv .v { text-align: right; font-variant-numeric: tabular-nums; }
.kv .total { font-weight: 700; border-top: 1px solid var(--line); padding-top: 4px; }

.item-row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-bottom: 8px; }
.days { font-size: .85rem; }
.days td, .days th { padding: 4px 6px; }
.days tr.hol td { background: #fdf3e7; }

dialog { border: 0; border-radius: 14px; padding: 20px; max-width: 520px; width: calc(100% - 32px); }
dialog::backdrop { background: rgba(0,0,0,.35); }

.login-shell { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 16px; }
.login-card { background: #fff; border-radius: 14px; padding: 28px; width: 100%; max-width: 360px; border: 1px solid var(--line); }
.login-card h1 { font-size: 1.3rem; margin: 0 0 16px; text-align: center; }
.login-card input { width: 100%; margin-bottom: 12px; }
.login-error { color: var(--danger); min-height: 1.5em; margin-top: 8px; font-size: .9rem; }

@media (max-width: 640px) {
  main { padding: 10px; }
  .btn { width: 100%; }
}
table.list tr.group td { background: #efe6d8; font-weight: 700; color: var(--brand); cursor: default; }
table.list tr.subtotal td { font-weight: 700; background: #fbf8f3; cursor: default; }