:root {
  --bg: #f4f6f8;
  --card: #ffffff;
  --ink: #1f2933;
  --muted: #5f6b7a;
  --line: #d5dbe2;
  --accent: #1d5fa8;
  --accent-soft: #e6eef8;
  --ok: #1e7a46;
  --ok-soft: #e5f4ea;
  --warn: #9a6200;
  --warn-soft: #fff4dc;
  --err: #b42318;
  --err-soft: #fdecea;
  --radius: 8px;
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font-family: "BIZ UDPGothic", "Yu Gothic UI", "Meiryo UI", "Hiragino Sans", sans-serif;
  font-size: 15px; line-height: 1.6;
}
.top { background: var(--accent); color: #fff; position: sticky; top: 0; z-index: 10; }
.top-inner { max-width: 1040px; margin: 0 auto; padding: 10px 16px; display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.top h1 { font-size: 18px; margin: 0; flex: 1; min-width: 240px; }
.top-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.wrap { max-width: 1040px; margin: 0 auto; padding: 16px; }
.foot { max-width: 1040px; margin: 24px auto; padding: 0 16px; color: var(--muted); font-size: 12px; }

.intro { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 18px; margin-bottom: 16px; }
.intro p { margin: 6px 0; }
.intro ul { margin: 4px 0 8px; padding-left: 1.4em; }
.note { color: var(--muted); font-size: 13px; }

.steps { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 14px; }
.steps button { white-space: nowrap;
  border: 1px solid var(--line); background: var(--card); color: var(--ink); border-radius: 999px;
  padding: 6px 14px; font: inherit; font-size: 14px; cursor: pointer;
}
.steps button[aria-current="step"] { background: var(--accent); color: #fff; border-color: var(--accent); }
.steps .num { display: inline-block; min-width: 1.4em; font-weight: bold; }

.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 18px; margin-bottom: 14px; }
.card h2 { font-size: 18px; margin: 0 0 4px; }
.card h3 { font-size: 16px; margin: 14px 0 6px; padding-top: 10px; border-top: 1px dashed var(--line); }
.card h3:first-of-type { border-top: 0; padding-top: 0; }
.lead { color: var(--muted); margin: 0 0 12px; font-size: 14px; }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 10px 16px; }
.f { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.f.wide { grid-column: 1 / -1; }
.f > span { font-size: 13px; font-weight: bold; }
.f .req { color: var(--err); font-weight: normal; margin-left: 4px; font-size: 12px; }
.f small { color: var(--muted); font-size: 12px; line-height: 1.45; }
input[type=text], input[type=date], input[type=number], select, textarea {
  font: inherit; padding: 7px 9px; border: 1px solid #b9c2cc; border-radius: 6px; background: #fff; color: var(--ink); width: 100%;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: 0; border-color: var(--accent); }
input.yen { text-align: right; }
.chk { display: flex; align-items: flex-start; gap: 8px; font-size: 14px; cursor: pointer; }
.chk input { margin-top: 4px; width: 16px; height: 16px; flex: none; }
.radios { display: flex; gap: 6px 16px; flex-wrap: wrap; }
.radios label { display: flex; align-items: center; gap: 5px; cursor: pointer; font-size: 14px; }

.person { border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 14px; margin: 10px 0; background: #fbfcfd; }
.person-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 8px; }
.person-head strong { font-size: 15px; }
.incbox { border-left: 3px solid var(--accent-soft); padding: 6px 0 6px 12px; margin-top: 10px; }
.incbox > p { margin: 0 0 6px; font-size: 13px; font-weight: bold; }
details { margin-top: 10px; }
details > summary { cursor: pointer; color: var(--accent); font-size: 14px; }
details[open] > summary { margin-bottom: 8px; }

.badges { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.badge { font-size: 12.5px; padding: 3px 9px; border-radius: 999px; background: var(--accent-soft); color: var(--accent); }
.badge.ok { background: var(--ok-soft); color: var(--ok); }
.badge.off { background: #eef0f2; color: var(--muted); }
.calc-line { font-size: 13px; color: var(--muted); margin-top: 4px; }
.calc-line b { color: var(--ink); }

.btn {
  font: inherit; font-size: 14px; padding: 7px 16px; border-radius: 6px; border: 1px solid #b9c2cc; background: #fff; color: var(--ink);
  cursor: pointer; display: inline-flex; align-items: center; gap: 6px;
}
.btn:hover { filter: brightness(0.97); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.big { font-size: 16px; padding: 11px 26px; }
.btn.ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,0.6); }
.btn.ghost.danger:hover { background: rgba(255,255,255,0.12); }
.btn.small { font-size: 13px; padding: 4px 10px; }
.btn.del { color: var(--err); border-color: #e6b4ae; }
.btn:disabled { opacity: 0.55; cursor: not-allowed; }
.pager { display: flex; justify-content: space-between; margin-top: 4px; }

.msgs { list-style: none; padding: 0; margin: 0 0 8px; }
.msgs li { padding: 7px 12px; border-radius: 6px; margin-bottom: 6px; font-size: 14px; }
.msgs .err { background: var(--err-soft); color: var(--err); }
.msgs .warn { background: var(--warn-soft); color: var(--warn); }
.msgs .info { background: var(--accent-soft); color: #164a83; }

table.sum { width: 100%; border-collapse: collapse; font-size: 14px; margin: 6px 0 10px; }
table.sum th, table.sum td { border-bottom: 1px solid var(--line); padding: 6px 8px; text-align: left; vertical-align: top; }
table.sum th { width: 46%; font-weight: normal; color: var(--muted); }
table.sum td.n { text-align: right; font-variant-numeric: tabular-nums; }
.forms-pick { display: flex; flex-direction: column; gap: 6px; margin: 10px 0 14px; }
.status { margin-top: 10px; font-size: 14px; }
.status.err { color: var(--err); }

@media (max-width: 640px) {
  body { font-size: 14px; }
  .top h1 { font-size: 16px; }
  .grid { grid-template-columns: 1fr; }
}
@media print { .top, .steps, .pager, .intro, .foot { display: none; } }
input.yen.bad { border-color: var(--err); background: var(--err-soft); }