:root {
  --bg: #fbf8f2;
  --panel: #ffffff;
  --ink: #2b2a27;
  --muted: #6b665d;
  --line: #ddd5c6;
  --accent: #c0632b;
  --ok-bg: #e8f4e5;
  --ok-ink: #24572a;
  --error-bg: #fbe7e4;
  --error-ink: #8a2a1d;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink);
  font-family: "Hiragino Sans", "Yu Gothic UI", "Meiryo", sans-serif; font-size: 15px; line-height: 1.7; }
.site-header { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 20px; padding: 10px 20px;
  background: var(--panel); border-bottom: 3px solid var(--accent); }
.brand { font-weight: 700; font-size: 17px; }
.brand span { font-weight: 400; color: var(--muted); }
nav { display: flex; flex-wrap: wrap; gap: 4px 14px; }
nav a { color: var(--ink); text-decoration: none; }
nav a:hover { color: var(--accent); text-decoration: underline; }
.logout { margin-left: auto; display: flex; gap: 8px; align-items: center; }
.who { color: var(--muted); font-size: 13px; }
main { max-width: 1100px; margin: 0 auto; padding: 16px 20px 40px; }
h1 { font-size: 22px; margin: 8px 0 16px; }
h2 { font-size: 18px; margin: 24px 0 8px; }
h3 { font-size: 16px; margin: 0 0 8px; }
table { border-collapse: collapse; width: 100%; background: var(--panel); margin: 8px 0 16px; }
th, td { border: 1px solid var(--line); padding: 6px 10px; text-align: left; vertical-align: top; }
th { background: #f3eee4; font-weight: 600; white-space: nowrap; }
table.detail { width: auto; min-width: 50%; }
td.nowrap { white-space: nowrap; }
.form { display: flex; flex-direction: column; gap: 6px; background: var(--panel); border: 1px solid var(--line);
  padding: 16px; margin: 12px 0; max-width: 640px; }
.form.narrow { max-width: 420px; }
.form label { font-weight: 600; margin-top: 6px; }
input, select, textarea { font: inherit; padding: 6px 8px; border: 1px solid #b9b0a0; border-radius: 4px; background: #fff; }
button, .button { font: inherit; padding: 6px 14px; border: 1px solid var(--accent); background: var(--accent); color: #fff;
  border-radius: 4px; cursor: pointer; text-decoration: none; display: inline-block; }
button.danger { background: #8a2a1d; border-color: #8a2a1d; }
.logout button { background: transparent; color: var(--ink); border-color: var(--line); padding: 2px 10px; }
.filter { display: flex; gap: 8px; align-items: center; margin-bottom: 8px; }
form.inline { display: inline; }
.ok { background: var(--ok-bg); color: var(--ok-ink); padding: 8px 12px; border-radius: 4px; }
.error { background: var(--error-bg); color: var(--error-ink); padding: 8px 12px; border-radius: 4px; }
.note { color: var(--muted); font-size: 14px; }
.summary { font-size: 17px; }
.rules { background: var(--panel); border: 1px solid var(--line); padding: 4px 16px 8px; }
.admin-actions { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 12px; }
pre { background: #2b2a27; color: #f7f2e8; padding: 12px; overflow-x: auto; border-radius: 4px; }
code { font-family: "Consolas", "Menlo", monospace; }
.site-footer { text-align: center; color: var(--muted); font-size: 12px; padding: 16px; }
.slips { background: #fff; }
.slip { border: 1px dashed #999; padding: 16px 20px; margin: 16px; page-break-inside: avoid; break-inside: avoid; }
.slip h1 { font-size: 18px; margin: 0 0 4px; }
.slip-note { color: var(--muted); font-size: 13px; margin: 0 0 8px; }
@media print {
  .no-print { display: none; }
  .slip { page-break-after: always; break-after: page; }
}