/* 試作版と同じ色づかい */
:root {
  --bg: #F3F6FB; --surface: #FFFFFF; --line: #DCE3EE;
  --text: #1E2A3A; --muted: #4A5566;
  --blue: #1F5FBF; --blue-d: #174A94; --blue-l: #E3EDFB; --on-blue: #FFFFFF;
  --ng-bg: #FDE7E7; --ng: #9B2222;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121821; --surface: #1A2230; --line: #2E3A4D;
    --text: #E6ECF5; --muted: #A7B3C4;
    --blue: #5B93E6; --blue-d: #7FAAF0; --blue-l: #1E3150; --on-blue: #0E1520;
    --ng-bg: #3A1C1C; --ng: #F2A0A0;
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: 'Hiragino Sans', 'Yu Gothic', 'Meiryo', sans-serif; font-size: 15px; line-height: 1.6; }
button, input { font: inherit; color: inherit; }
:focus-visible { outline: 3px solid var(--blue); outline-offset: 2px; }
.top { background: #1F5FBF; color: #fff; padding: 10px 16px; display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.brand { display: flex; flex-direction: column; line-height: 1.2; }
.brand b { font-size: 17px; }
.brand span { font-size: 12px; opacity: .9; }
.who { display: flex; align-items: center; gap: 10px; font-size: 13px; flex-wrap: wrap; }
.who form { margin: 0; }
.wrap { max-width: 960px; margin: 0 auto; padding-block: 24px 48px; padding-inline: 16px; display: flex; flex-direction: column; gap: 16px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; }
.pad { padding: 20px; }
h1 { margin: 0 0 4px; font-size: 22px; }
.sub { margin: 4px 0 0; color: var(--muted); font-size: 13px; }
.login { max-width: 420px; width: 100%; margin: 32px auto 0; }
.stack { display: flex; flex-direction: column; gap: 14px; margin-top: 16px; }
.field { display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: var(--muted); }
.field input { padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); font-size: 16px; }
.btn { border: 1px solid var(--blue); background: var(--surface); color: var(--blue); border-radius: 8px; padding: 10px 16px; font-weight: 700; cursor: pointer; }
.btn.primary { background: var(--blue); color: var(--on-blue); }
.btn.small { padding: 5px 10px; font-size: 12px; }
.btn.light { background: #fff; border-color: #fff; color: #1F5FBF; }
a.btn { display: inline-block; text-decoration: none; }
.scroll { overflow-x: auto; margin-top: 12px; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); white-space: nowrap; }
th { color: var(--muted); font-size: 12px; }
td.num { text-align: right; font-variant-numeric: tabular-nums; }
.kv { display: grid; grid-template-columns: max-content 1fr; gap: 8px 16px; margin: 16px 0; }
.kv dt { color: var(--muted); font-size: 13px; }
.kv dd { margin: 0; min-width: 0; overflow-wrap: anywhere; }
.steps { margin: 16px 0 0; padding-left: 1.4em; display: flex; flex-direction: column; gap: 4px; }
.tally, .row-actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 16px; }
.row-actions form { margin: 0; }
.pill { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: 12px; font-weight: 700; white-space: nowrap; }
.p-new { background: #E3F4EA; color: #1D6B3C; }
.p-update { background: var(--blue-l); color: var(--blue-d); }
.p-same { background: #EEF1F5; color: var(--muted); }
.p-error { background: var(--ng-bg); color: var(--ng); }
td.wrapcell { white-space: normal; min-width: 200px; }
.checklist { margin: 0; padding-left: 1.6em; display: flex; flex-direction: column; gap: 6px; }
.checklist li { padding: 6px 0; border-bottom: 1px solid var(--line); }
.checklist li > * { vertical-align: middle; }
.item-name { display: inline-block; min-width: 0; margin-right: 12px; }
.choice { display: inline-flex; gap: 14px; white-space: nowrap; }
.choice label { display: inline-flex; gap: 4px; align-items: center; }
textarea { padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); color: var(--text); font: inherit; }
.proposal { display: flex; flex-direction: column; gap: 4px; background: var(--blue-l); border-color: transparent; }
.big { font-size: 24px; color: var(--blue-d); }
.more { margin-top: 16px; }
.more summary { cursor: pointer; color: var(--blue); font-weight: 700; }
.more h2 { font-size: 15px; margin: 16px 0 4px; }
.skilllist { margin: 0; padding-left: 1.8em; font-size: 14px; }
.linkbox { font-family: ui-monospace, Consolas, monospace; font-size: 12px; background: var(--bg); border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; overflow-wrap: anywhere; }
h2 { margin: 0; font-size: 16px; }
form.inline { display: flex; gap: 6px; align-items: center; margin: 0; }
select { padding: 6px 8px; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); color: var(--text); font: inherit; max-width: 240px; }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.err { background: var(--ng-bg); color: var(--ng); border-radius: 8px; padding: 10px 12px; margin: 12px 0 0; font-size: 14px; }
.notice { background: var(--blue-l); color: var(--blue-d); border-radius: 8px; padding: 10px 12px; margin: 12px 0 0; font-size: 14px; }