:root { color-scheme: light dark; --bg: #f7f7f5; --fg: #1d1d1b; --muted: #6b6b66; --line: #deded8; --card: #fff; --accent: #c8102e; --bar: #c8102e; }
@media (prefers-color-scheme: dark) { :root { --bg: #151514; --fg: #ededea; --muted: #a3a39d; --line: #34342f; --card: #1e1e1c; --accent: #ff4d63; --bar: #ff4d63; } }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 15px/1.6 system-ui, -apple-system, "Hiragino Sans", "Noto Sans JP", sans-serif; }
a { color: inherit; }
header.top { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; justify-content: space-between; padding: 12px 16px; border-bottom: 1px solid var(--line); background: var(--card); }
header.top .brand { font-weight: 800; letter-spacing: .12em; text-decoration: none; color: var(--accent); }
header.top nav { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; color: var(--muted); }
header.top form { margin: 0; }
main { max-width: 1080px; margin: 0 auto; padding: 16px; }
h1 { font-size: 1.4rem; margin: .4em 0; }
h2 { font-size: 1.1rem; margin: 1.6em 0 .5em; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 16px; margin: 12px 0; }
.muted { color: var(--muted); }
.notice { border-left: 4px solid var(--accent); padding: 8px 12px; background: var(--card); margin: 12px 0; }
.error { color: var(--accent); font-weight: 600; }
.big { font-size: 2rem; font-weight: 700; }
.scroll { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; background: var(--card); }
th, td { border-bottom: 1px solid var(--line); padding: 6px 8px; text-align: left; vertical-align: middle; white-space: nowrap; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
tr.total td, tr.total th { font-weight: 700; }
meter { width: 160px; height: 10px; }
img.thumb { width: 64px; height: 36px; object-fit: cover; border-radius: 4px; background: var(--line); vertical-align: middle; }
form.inline { display: inline; margin: 0; }
label { display: block; margin: 10px 0 4px; font-weight: 600; }
input[type=text], input[type=email], input[type=date], select { font: inherit; padding: 6px 8px; border: 1px solid var(--line); border-radius: 6px; background: var(--bg); color: var(--fg); max-width: 100%; }
input[type=text], input[type=email], select { width: 28rem; }
button, .button { font: inherit; padding: 6px 14px; border-radius: 6px; border: 1px solid var(--accent); background: var(--accent); color: #fff; cursor: pointer; text-decoration: none; display: inline-block; }
button.secondary, .button.secondary { background: transparent; color: var(--accent); }
.row { display: flex; flex-wrap: wrap; gap: 12px; align-items: end; }
.tag { display: inline-block; padding: 0 8px; border-radius: 999px; border: 1px solid var(--accent); color: var(--accent); font-size: .8rem; }