:root { --fg:#1f2937; --muted:#6b7280; --bg:#f6f7f9; --card:#fff; --line:#e5e7eb; --accent:#1f4e5f; --in:#166534; --out:#9a3412; }
* { box-sizing: border-box; }
html, body { margin:0; padding:0; background:var(--bg); color:var(--fg); font: 15px/1.6 -apple-system, "Hiragino Sans", "Noto Sans JP", sans-serif; }
a { color: var(--accent); }
main { max-width: 1100px; margin: 0 auto; padding: 12px 16px 40px; }
.top { background: var(--card); border-bottom: 1px solid var(--line); padding: 10px 16px; display: flex; flex-wrap: wrap; gap: 8px 16px; align-items: center; }
.brand { font-weight: 700; } .brand .sub { color: var(--muted); font-weight: 400; margin-left: 6px; }
.top nav { display: flex; flex-wrap: wrap; gap: 4px; }
.top nav a { text-decoration: none; padding: 6px 10px; border-radius: 6px; }
.top nav a.on { background: var(--accent); color: #fff; }
.logout { margin-left: auto; display: flex; gap: 8px; align-items: center; } .user { color: var(--muted); }
button, input[type=date], input[type=text], input[type=password] { font: inherit; padding: 8px 10px; border: 1px solid var(--line); border-radius: 6px; background: #fff; }
button { cursor: pointer; } button.primary { background: var(--accent); color: #fff; border-color: var(--accent); width: 100%; margin-top: 8px; }
button.small, a.small { padding: 4px 8px; font-size: 13px; }
.period { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin: 8px 0 16px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 16px; margin-bottom: 16px; }
.card h2 { margin: 0 0 8px; font-size: 17px; }
.narrow { max-width: 420px; margin: 24px auto; }
body.center { display: flex; align-items: center; justify-content: center; min-height: 100vh; }
body.center main { display: block; width: 100%; }
label { display: block; margin: 10px 0 4px; } label input { display: block; width: 100%; margin-top: 4px; }
.error { color: #b91c1c; background: #fef2f2; padding: 8px 10px; border-radius: 6px; }
.notice { color: #92400e; background: #fffbeb; padding: 8px 10px; border-radius: 6px; }
.muted { color: var(--muted); font-size: 13px; } .small { font-size: 13px; }
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 12px; }
.kpi { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 14px; }
.kpi .label { color: var(--muted); font-size: 13px; } .kpi .value { font-size: 24px; font-weight: 700; margin: 2px 0; }
.two { display: grid; grid-template-columns: 1fr; gap: 16px; } @media (min-width: 860px) { .two { grid-template-columns: 1fr 1fr; } }
.tablewrap { overflow-x: auto; } table { border-collapse: collapse; width: 100%; font-size: 14px; }
th, td { padding: 8px 10px; border-bottom: 1px solid var(--line); text-align: left; white-space: nowrap; }
th { color: var(--muted); font-weight: 600; font-size: 13px; } .num { text-align: right; font-variant-numeric: tabular-nums; }
.badge { font-size: 11px; background: #fef3c7; color: #92400e; padding: 1px 6px; border-radius: 999px; }
.tag { font-size: 12px; padding: 1px 8px; border-radius: 999px; background: #e5e7eb; } .tag.in { background: #dcfce7; color: var(--in); } .tag.out { background: #ffedd5; color: var(--out); }
.thumb img { width: 64px; height: 64px; object-fit: cover; border-radius: 6px; border: 1px solid var(--line); } .nothumb { color: var(--muted); }
.hist { width: 100%; height: auto; display: block; }
.histbar { fill: var(--accent); } .histaxis { stroke: var(--line); } .histlabel { font-size: 9px; fill: var(--muted); text-anchor: middle; }
.foot { max-width: 1100px; margin: 0 auto; padding: 0 16px 24px; color: var(--muted); font-size: 12px; }