/* 報告書と同じ、紺とグレーの落ち着いた配色 */
:root {
  --navy: #1F3A5F; --navy-2: #2E4A70; --ink: #1E2A38; --muted: #6B7785; --line: #D5DCE4;
  --bg: #F4F6F9; --card: #FFFFFF; --ok: #2E7D5B; --ok-bg: #E6F2EC; --warn: #B23B3B; --warn-bg: #FBEAEA;
  --todo-bg: #FFF8E6;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }  /* 「その他」以外のときのイベント名の欄などを隠す */
body { margin: 0; background: var(--bg); color: var(--ink);
  font-family: "Yu Gothic UI", "Meiryo", "Hiragino Sans", sans-serif; font-size: 15px; line-height: 1.6; }
a { color: var(--navy); }
.top { display: flex; align-items: center; gap: 24px; padding: 10px 24px; background: var(--navy); color: #fff; }
.top .brand { font-weight: 700; letter-spacing: .05em; }
.top nav { display: flex; gap: 4px; flex: 1; }
.top nav a { color: #DCE4EE; text-decoration: none; padding: 4px 12px; border-radius: 4px; }
.top nav a.on, .top nav a:hover { background: var(--navy-2); color: #fff; }
.top .who { display: flex; align-items: center; gap: 12px; }
main { max-width: 1180px; margin: 0 auto; padding: 20px 16px 48px; }
.layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 20px; align-items: start; }
@media (max-width: 900px) { .layout { grid-template-columns: 1fr; } .top { flex-wrap: wrap; gap: 8px; } }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 20px 24px; margin-bottom: 20px; }
.card.narrow { max-width: 420px; margin: 40px auto; }
.head { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 8px; }
h1 { font-size: 20px; margin: 0 0 8px; color: var(--navy); }
h2 { font-size: 17px; margin: 0; color: var(--navy); }
.muted { color: var(--muted); } .small { font-size: 13px; }
.flash { padding: 10px 14px; border-radius: 6px; margin-bottom: 12px; }
.flash.ok { background: var(--ok-bg); color: var(--ok); }
.flash.error { background: var(--warn-bg); color: var(--warn); }
label { display: block; font-weight: 600; font-size: 14px; margin-bottom: 12px; }
input, select { display: block; width: 100%; margin-top: 4px; padding: 8px 10px; font: inherit;
  border: 1px solid var(--line); border-radius: 6px; background: #fff; }
input:focus, select:focus { outline: 2px solid #8FA9C8; border-color: var(--navy); }
.num { display: flex; align-items: center; gap: 6px; }
.num input { text-align: right; font-size: 18px; }
.num em { font-style: normal; color: var(--muted); font-weight: 400; }
.grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0 14px; }
.grid.two { grid-template-columns: 1fr 1fr; }
@media (max-width: 600px) { .grid { grid-template-columns: 1fr 1fr; } }
fieldset { border: none; padding: 0; margin: 0 0 12px; }
legend { font-weight: 600; font-size: 14px; margin-bottom: 4px; }
label.radio { display: inline-flex; align-items: center; gap: 6px; font-weight: 400; margin-right: 16px; }
label.radio input { width: auto; margin: 0; }
button { font: inherit; cursor: pointer; }
.primary { background: var(--navy); color: #fff; border: none; padding: 10px 20px; border-radius: 6px; font-weight: 700; }
.primary:hover { background: var(--navy-2); }
.wide { width: 100%; }
.link { background: none; border: none; color: #DCE4EE; text-decoration: underline; padding: 0; }
.button { border: 1px solid var(--navy); padding: 4px 12px; border-radius: 6px; text-decoration: none; }
.inline { display: inline; }
.inline select, .inline input { display: inline-block; width: auto; margin: 0; }
.datebar { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.datebar label { display: flex; align-items: center; gap: 8px; margin: 0; }
.datebar input { width: auto; margin: 0; }
.dayline { font-size: 17px; font-weight: 700; margin: 10px 0 14px; }
.status { font-size: 12px; font-weight: 700; padding: 2px 10px; border-radius: 10px; white-space: nowrap; }
.status.done { background: var(--ok-bg); color: var(--ok); }
.status.todo { background: var(--warn-bg); color: var(--warn); }
.pager { display: flex; align-items: center; gap: 12px; }
.tbl { width: 100%; border-collapse: collapse; font-size: 14px; }
.tbl th { background: var(--navy); color: #fff; font-weight: 600; padding: 6px 8px; text-align: left; white-space: nowrap; }
.tbl td { padding: 5px 8px; border-bottom: 1px solid var(--line); }
.tbl .r { text-align: right; font-variant-numeric: tabular-nums; }
.tbl tr.todo td { background: var(--todo-bg); }
.tbl tr.sel td { background: #E8EEF6; font-weight: 700; }
.tbl tr.total td { font-weight: 700; border-top: 2px solid var(--navy); background: #F0F3F7; }
.wd5 { color: #2F5FA8; } .wd6 { color: var(--warn); }
.cards { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin: 8px 0 16px; }
@media (max-width: 700px) { .cards { grid-template-columns: 1fr 1fr; } }
.kpi { border: 1px solid var(--line); border-radius: 8px; padding: 10px 14px; }
.kpi span { display: block; color: var(--muted); font-size: 13px; }
.kpi b { font-size: 24px; color: var(--navy); }
.kpi small { font-size: 13px; color: var(--muted); font-weight: 400; margin-left: 2px; }
.history { margin-top: 16px; }
.history summary { cursor: pointer; color: var(--navy); }