:root {
  --bg: #eef1ef;
  --surface: #ffffff;
  --ink: #16232b;
  --ink-sub: #5b6b74;
  --line: #dbe2e0;
  --accent: #1d4f91;      /* 銀行の帳票ブルー */
  --accent-ink: #ffffff;
  --ok: #157a55;
  --ok-bg: #e2f2ea;
  --error: #b4362e;
  --error-bg: #fbe9e7;
  --warn: #8a5f00;
  --warn-bg: #fdf3d7;
  --radius: 10px;
  --mono: "SF Mono", "Cascadia Mono", Consolas, "Roboto Mono", monospace;
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font-family: "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Yu Gothic UI", system-ui, sans-serif;
  font-size: 14.5px; line-height: 1.65;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ヘッダー */
.topbar {
  background: #12283f; color: #e8eef5;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 22px; height: 54px;
}
.brand { font-weight: 700; letter-spacing: .02em; display: flex; align-items: center; gap: 9px; }
.brand-mark {
  display: inline-flex; align-items: center; justify-content: center;
  width: 26px; height: 26px; border-radius: 6px;
  background: #e8b931; color: #12283f; font-family: var(--mono); font-weight: 800;
}
.brand { margin-right: auto; }
.brand-sub { font-size: 11px; font-weight: 400; color: #9db2c6; margin-left: 2px; }
.nav { display: flex; align-items: center; gap: 18px; }
.nav a { color: #cfdae6; font-size: 13.5px; }
.nav a:hover { color: #fff; text-decoration: none; }
.logout-form { margin-left: 18px; flex: 0 0 auto; }
.logout-form .link-btn { color: #9db2c6; font-size: 13px; }
.logout-form .link-btn:hover { color: #fff; text-decoration: none; }

.container { max-width: 1080px; margin: 0 auto; padding: 26px 22px 60px; }
.foot { max-width: 1080px; margin: 0 auto; padding: 0 22px 30px; color: var(--ink-sub); font-size: 12px; }

h1 { font-size: 21px; margin: 0 0 14px; }
h2 { font-size: 15.5px; margin: 26px 0 10px; color: var(--ink); }
.page-head { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-bottom: 14px; }
.page-head h1 { margin: 0; }

/* カード・テーブル */
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); }
.table-card { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 10px 14px; border-bottom: 1px solid var(--line); vertical-align: top; }
thead th { font-size: 12px; color: var(--ink-sub); font-weight: 600; background: #f7f9f8; white-space: nowrap; }
tbody tr:last-child td { border-bottom: none; }
.r { text-align: right; }
.num { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.mono { font-family: var(--mono); font-size: 13px; }
.strong { font-weight: 700; }
.sub, .sub-cell { color: var(--ink-sub); font-size: 12px; }
td .sub { display: block; margin-top: 2px; }
fieldset.no-border { border: 0; padding: 0; margin: 0; }
fieldset.no-border legend { padding: 0; }
.err { color: var(--error); }
.row-error td { background: #fff7f6; }
.row-muted td { color: var(--ink-sub); background: #fafbfa; }
.total-row td { background: #f7f9f8; font-weight: 600; }
.empty, .empty-cell { padding: 26px; text-align: center; color: var(--ink-sub); }

/* チップ・フラッシュ */
.chip { display: inline-block; padding: 2px 9px; border-radius: 99px; font-size: 12px; font-weight: 600; white-space: nowrap; }
.chip-ok { background: var(--ok-bg); color: var(--ok); }
.chip-error { background: var(--error-bg); color: var(--error); }
.chip-muted { background: #edf0ef; color: var(--ink-sub); }
.chip-warn { background: #fdf3e2; color: #a5661b; }
.flash { padding: 11px 15px; border-radius: var(--radius); margin-bottom: 16px; font-size: 13.5px; }
.flash-ok { background: var(--ok-bg); color: var(--ok); }
.flash-error { background: var(--error-bg); color: var(--error); }
.flash-warn { background: var(--warn-bg); color: var(--warn); }
ul.plain { margin: 0; padding-left: 18px; }

/* 出力バー */
.export-bar {
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
  background: var(--surface); border: 1px solid var(--line); border-left: 4px solid var(--accent);
  border-radius: var(--radius); padding: 13px 18px; margin-bottom: 16px;
}
.stat { margin-right: 18px; color: var(--ink-sub); }
.stat b { color: var(--ink); font-size: 16px; }

/* フォーム */
.form-card { padding: 20px; }
.stack > * + * { margin-top: 14px; }
label { display: block; font-size: 12.5px; color: var(--ink-sub); font-weight: 600; }
input, select {
  display: block; width: 100%; margin-top: 5px; padding: 8px 11px;
  border: 1px solid var(--line); border-radius: 7px; font-size: 14px; font-family: inherit;
  background: #fff; color: var(--ink);
}
input:focus, select:focus { outline: 2px solid var(--accent); outline-offset: 0; border-color: var(--accent); }
input[type="file"] { padding: 6px; }
.hint { display: block; font-weight: 400; font-size: 12px; color: var(--ink-sub); margin-top: 5px; }
.check-label { display: flex; align-items: center; gap: 8px; padding-top: 24px; }
.check-label input { width: auto; margin: 0; }
.radio-row { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.radio-row .radio-label { min-width: 120px; color: #555; font-size: 14px; }
.radio-row .check-label { padding-top: 0; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.grid4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.align-top { align-items: start; }
.actions { display: flex; gap: 10px; }

/* ボタン */
.btn {
  display: inline-block; padding: 9px 18px; border-radius: 8px; border: 1px solid var(--line);
  background: #fff; color: var(--ink); font-size: 14px; font-weight: 600; cursor: pointer; text-decoration: none;
}
.btn:hover { text-decoration: none; border-color: var(--accent); }
.btn-primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.btn-primary:hover { background: #173f74; }
.btn-disabled { opacity: .45; pointer-events: none; }
.btn-sm { padding: 4px 12px; font-size: 12px; }
.month-foot { margin-top: 10px; text-align: right; }
.filter-bar { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; padding: 14px; }
.filter-bar select, .filter-bar input { padding: 8px 10px; border: 1px solid var(--line); border-radius: 8px; }
.nowrap { white-space: nowrap; }
.chips { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.kv { margin: 0; }
.kv > div { display: flex; gap: 12px; padding: 5px 0; border-bottom: 1px dashed var(--line); }
.kv dt { color: var(--ink-sub); min-width: 80px; margin: 0; }
.kv dd { margin: 0; }
.link-btn { background: none; border: none; color: var(--accent); font-size: 13px; cursor: pointer; padding: 0; font-family: inherit; }
.link-btn:hover { text-decoration: underline; }
.link-btn.danger { color: var(--error); }
.inline { display: inline; }

/* ログイン */
.login-wrap { display: flex; justify-content: center; padding-top: 8vh; }
.login-card { width: 360px; padding: 28px; }
.login-card.wide { width: 560px; max-width: 94vw; }
.login-card h1 { text-align: center; }

/* マイ報酬 */
.month-card { margin-bottom: 16px; }
.month-head { display: flex; align-items: baseline; justify-content: space-between; padding: 13px 16px 0; }
.month-head h2 { margin: 0; }
.month-total .num { font-size: 19px; }
.month-card table { margin-top: 8px; }

@media (max-width: 760px) {
  .grid2, .grid4 { grid-template-columns: 1fr; }
  .page-head { flex-direction: column; align-items: flex-start; }
  .export-bar { flex-direction: column; align-items: stretch; text-align: center; }
  /* トップバーを2段に：上段=ブランド＋ログアウト / 下段=横スクロールのメニュー */
  .topbar { flex-wrap: wrap; height: auto; align-items: center; padding: 0; }
  .brand { order: 1; flex: 1 1 auto; padding: 11px 16px; white-space: nowrap; margin-right: 0; }
  .brand-sub { display: none; }
  .logout-form { order: 2; flex: 0 0 auto; margin-left: 0; padding: 0 16px; }
  .nav {
    order: 3; gap: 0; width: 100%; flex-wrap: nowrap;
    overflow-x: auto; -webkit-overflow-scrolling: touch;
    border-top: 1px solid rgba(255,255,255,.1);
  }
  .nav::-webkit-scrollbar { display: none; }
  .nav a { flex: 0 0 auto; white-space: nowrap; padding: 12px 13px; font-size: 13.5px; }
}