:root {
  --bg: #f6f5f1;
  --surface: #ffffff;
  --ink: #1d2321;
  --muted: #6a716d;
  --line: #e1dfd8;
  --line-strong: #c9c6bc;
  --brand: #1f4e46;
  --brand-ink: #ffffff;
  --brand-soft: #e5efec;
  --debit: #24527a;
  --credit: #8a3b2e;
  --ok: #2f6b3a;
  --ok-soft: #e7f2e8;
  --err: #a3302a;
  --err-soft: #fbeceb;
  --warn-soft: #fbf4e1;
  --radius: 8px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #151918; --surface: #1d2321; --ink: #e9ebe8; --muted: #9aa29e;
    --line: #2d3532; --line-strong: #3c4642; --brand: #5fa99a; --brand-ink: #0d1512;
    --brand-soft: #22332f; --debit: #84b3dc; --credit: #e09a8c; --ok: #7cc48a;
    --ok-soft: #1f3324; --err: #f08d86; --err-soft: #3a2220; --warn-soft: #33301f;
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 15px/1.6 "Hiragino Sans", "Noto Sans JP", "Yu Gothic UI", "Meiryo", system-ui, sans-serif;
}
a { color: var(--brand); }
h1 { font-size: 22px; margin: 0; letter-spacing: .02em; }
h2 { font-size: 16px; margin: 0 0 12px; }
.num { font-variant-numeric: tabular-nums; font-feature-settings: "tnum"; }
.r { text-align: right; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.nowrap { white-space: nowrap; }

/* header */
.top {
  position: sticky; top: 0; z-index: 10; display: flex; align-items: center; gap: 20px;
  padding: 0 20px; height: 56px; background: var(--surface); border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 8px; font-weight: 700; color: var(--ink); text-decoration: none; white-space: nowrap; }
.mark { display: inline-grid; place-items: center; width: 28px; height: 28px; border-radius: 6px; background: var(--brand); color: var(--brand-ink); font-size: 15px; }
.nav { display: flex; gap: 2px; overflow-x: auto; flex: 1; scrollbar-width: none; }
.nav a { padding: 6px 12px; border-radius: 6px; color: var(--muted); text-decoration: none; white-space: nowrap; }
.nav a:hover { background: var(--bg); color: var(--ink); }
.nav a.on { background: var(--brand-soft); color: var(--brand); font-weight: 600; }
.logout { margin: 0; }
.main { max-width: 1120px; margin: 0 auto; padding: 24px 20px 80px; }

/* parts */
.pagehead { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 16px; }
.row-gap { display: flex; gap: 16px; align-items: center; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 6px; padding: 8px 16px; min-height: 40px;
  border: 1px solid var(--line-strong); border-radius: var(--radius); background: var(--surface); color: var(--ink);
  font: inherit; font-weight: 600; text-decoration: none; cursor: pointer;
}
.btn:hover { border-color: var(--ink); }
.btn.primary { background: var(--brand); border-color: var(--brand); color: var(--brand-ink); }
.btn.primary:disabled { opacity: .45; cursor: not-allowed; }
.btn.danger { background: var(--err); border-color: var(--err); color: #fff; }
button.link { background: none; border: 0; color: var(--muted); font: inherit; cursor: pointer; padding: 4px; }
button.link:hover { color: var(--ink); }
.flash { padding: 10px 14px; border-radius: var(--radius); margin-bottom: 16px; background: var(--ok-soft); color: var(--ok); }
.flash.err { background: var(--err-soft); color: var(--err); }
.notice { padding: 12px 14px; border-radius: var(--radius); background: var(--warn-soft); margin-bottom: 16px; }
.tag { font-size: 12px; padding: 2px 8px; border-radius: 99px; background: var(--ok-soft); color: var(--ok); font-weight: 600; }
.tag.void { background: var(--err-soft); color: var(--err); }
.panel { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 18px; margin-bottom: 16px; }
.panel.old { opacity: .7; }
.panel.danger summary { color: var(--err); cursor: pointer; font-weight: 600; }
.panelhead { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; flex-wrap: wrap; margin-bottom: 8px; }
.panelhead h2 { margin: 0; }

input, select {
  font: inherit; color: var(--ink); background: var(--surface); border: 1px solid var(--line-strong);
  border-radius: 6px; padding: 7px 10px; min-height: 40px; width: 100%;
}
input:focus, select:focus { outline: 2px solid var(--brand); outline-offset: -1px; border-color: var(--brand); }
input[type=checkbox] { width: 18px; min-height: 18px; accent-color: var(--brand); }
label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--muted); }
label > input, label > select { color: var(--ink); font-size: 15px; }
label.check { flex-direction: row; align-items: center; gap: 8px; color: var(--ink); font-size: 14px; }
.stack { display: flex; flex-direction: column; gap: 14px; }
.inline { display: flex; gap: 8px; align-items: center; margin: 8px 0; max-width: 360px; }
.hgrid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 12px 16px; align-items: end; }
.hgrid .wide { grid-column: span 2; }
.actions { display: flex; gap: 12px; align-items: center; margin-top: 8px; }

.filters { display: flex; flex-wrap: wrap; gap: 10px 14px; align-items: end; margin-bottom: 16px; }
.filters label { min-width: 110px; }
.filters .grow { flex: 1; min-width: 200px; }

/* tables */
.scroll { overflow-x: auto; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); }
.panel .scroll { border: 0; }
.tbl { width: 100%; border-collapse: collapse; font-size: 14px; }
.tbl th { text-align: left; font-weight: 600; color: var(--muted); font-size: 12.5px; padding: 8px 10px; border-bottom: 1px solid var(--line-strong); white-space: nowrap; }
.tbl th.r { text-align: right; }
.tbl td { padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
.tbl tfoot th { border-top: 1px solid var(--line-strong); border-bottom: 0; color: var(--ink); }
.tbl tr.click { cursor: pointer; }
.tbl tr.click:hover td { background: var(--brand-soft); }
.tbl.book tr.cont td { border-top: 0; }
.tbl.book tr.first td { border-top: 1px solid var(--line-strong); }
.tbl tr.grp td { font-weight: 700; padding-top: 14px; border-bottom-color: var(--line-strong); }
.tbl tr.subtotal td { font-weight: 600; background: var(--bg); }
.tbl tr.carry td { color: var(--muted); }
.tbl tr.off td { color: var(--muted); }
.code { display: inline-block; min-width: 40px; color: var(--muted); font-size: 12px; font-variant-numeric: tabular-nums; }
.ver { margin-left: 4px; font-size: 10.5px; padding: 0 4px; border-radius: 4px; background: var(--warn-soft); color: var(--muted); }
.meta { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 6px 16px; margin: 0 0 12px; }
.meta div { display: flex; gap: 8px; }
.meta dt { color: var(--muted); font-size: 13px; min-width: 48px; }
.meta dd { margin: 0; }

/* cards */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 12px; margin-bottom: 16px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; }
.card .k { font-size: 13px; color: var(--muted); }
.card .v { font-size: 24px; font-weight: 700; margin-top: 2px; }
.card .v small { font-size: 13px; font-weight: 400; margin-left: 2px; color: var(--muted); }
.card .v.small { font-size: 15px; }
.card .sub { font-size: 12px; color: var(--muted); }
.card.strong { border-color: var(--brand); background: var(--brand-soft); }

/* journal form */
.jform { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; }
.jrows { margin-top: 18px; display: flex; flex-direction: column; gap: 10px; }
.jrow { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 16px; padding: 10px 0; border-top: 1px solid var(--line); }
.jrow .side { display: grid; grid-template-columns: 40px 1.6fr 1fr 1.1fr; gap: 6px; align-items: center; }
.jrow .lbl { font-size: 12px; font-weight: 700; }
.jrow .d .lbl { color: var(--debit); }
.jrow .c .lbl { color: var(--credit); }
.jrow .amt { text-align: right; font-variant-numeric: tabular-nums; }
.jrow .tax { font-size: 13px; color: var(--muted); }
.jrow .memo { grid-column: 1 / -1; display: flex; gap: 8px; align-items: center; padding-left: 46px; }
.jrow .memo input { min-height: 34px; font-size: 13px; }
.jrow .del { font-size: 18px; }
.jfoot { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--line-strong); }
.totals { display: flex; gap: 18px; flex-wrap: wrap; align-items: baseline; }
.totals b { font-size: 18px; margin-left: 4px; }
.diff { padding: 2px 10px; border-radius: 6px; background: var(--err-soft); color: var(--err); }
.diff.ok { background: var(--ok-soft); color: var(--ok); }
.jform .actions { margin-top: 16px; }

/* opening */
.cols2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.kv { flex-direction: row; align-items: center; justify-content: space-between; gap: 12px; padding: 4px 0; color: var(--ink); font-size: 14px; }
.kv input { max-width: 180px; text-align: right; }
.opening .jfoot { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 16px; }

.steps { padding-left: 20px; }
.key { display: inline-block; margin: 4px 0; padding: 6px 10px; background: var(--bg); border-radius: 6px; font-size: 16px; letter-spacing: .05em; word-break: break-all; }
code { word-break: break-all; }

/* login */
body.guest { display: grid; place-items: center; min-height: 100vh; }
.login { width: min(380px, 100%); background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 28px; }
.login h1 { display: flex; align-items: center; gap: 10px; margin-bottom: 20px; font-size: 20px; }

@media (max-width: 760px) {
  .top { gap: 10px; padding: 0 12px; }
  .brand { font-size: 0; }
  .brand .mark { font-size: 15px; }
  .logout { display: none; }
  .main { padding: 16px 16px 80px; }
  .hgrid .wide { grid-column: auto; }
  .jrow { grid-template-columns: 1fr; }
  .jrow .side { grid-template-columns: 36px 1fr 110px; }
  .jrow .side .tax { grid-column: 2 / -1; }
  .jrow .memo { padding-left: 0; }
  .cols2 { grid-template-columns: 1fr; }
  .tbl { font-size: 13px; }
}