:root {
  --ink: #1f2430;
  --sub: #667085;
  --line: #e4e7ec;
  --bg: #f7f8fa;
  --brand: #1e5aa8;
  --accent: #eef4fc;
  --warn: #b45309;
  --warn-bg: #fef3c7;
  --red: #b42318;
  --green: #087f5b;
}
* { box-sizing: border-box; }
html { scroll-padding-top: 18px; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-family: "Hiragino Sans", "Yu Gothic UI", "Meiryo", sans-serif;
  font-size: 15px;
  line-height: 1.7;
  overflow-wrap: anywhere;
}
a { color: var(--brand); text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }
button, input, select, textarea { font: inherit; }
button, .button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  min-width: 0;
  max-width: 100%;
  gap: 6px;
  border: 1px solid var(--brand);
  border-radius: 8px;
  padding: 8px 17px;
  background: var(--brand);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.5;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
}
button:hover, .button:hover { filter: brightness(.95); }
.secondary { color: var(--brand); background: #fff; border-color: #c9d7e8; }
.danger { color: var(--red); border-color: #efc8c5; }
.compact { padding: 7px 11px; min-height: 40px; font-size: 13px; }
button:disabled { opacity: .5; cursor: not-allowed; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 3px solid #73a7df;
  outline-offset: 3px;
}
input, select, textarea {
  display: block;
  width: 100%;
  min-width: 0;
  max-width: 100%;
  min-height: 44px;
  border: 1px solid #cad1db;
  border-radius: 8px;
  padding: 8px 10px;
  color: var(--ink);
  background: #fff;
  font-size: 16px;
}
input[type="hidden"] { display: none; }
input[type="date"], input[type="month"] { appearance: none; }
input[type="checkbox"] { display: inline-block; width: 18px; min-width: 18px; min-height: 18px; height: 18px; margin: 0; accent-color: var(--brand); }
textarea { resize: vertical; min-height: 112px; line-height: 1.7; }
label, .form-field { display: flex; flex-direction: column; gap: 5px; min-width: 0; font-size: 13px; font-weight: 600; }
label .required { display: contents; color: var(--red); }
fieldset { min-width: 0; margin: 0; padding: 16px; border: 1px solid var(--line); border-radius: 8px; }
legend { padding: 0 6px; font-size: 14px; font-weight: 700; }
form { margin: 0; min-width: 0; }
form > button { margin-top: 12px; }
header.site {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px 24px;
  padding: 12px 24px;
  border-bottom: 1px solid var(--line);
  background: #fff;
}
.brand { color: var(--brand); text-decoration: none; font-size: 20px; font-weight: 800; min-height: 40px; display: inline-flex; align-items: center; }
.main-nav { display: flex; flex-wrap: wrap; align-items: center; gap: 3px; min-width: 0; max-width: 100%; }
.main-nav a { display: flex; align-items: center; min-height: 40px; padding: 7px 10px; border-radius: 7px; font-size: 13px; text-decoration: none; color: var(--sub); }
.main-nav a[aria-current="page"] { background: var(--accent); color: var(--brand); font-weight: 700; }
.session-info { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; margin-left: auto; min-width: 0; max-width: 100%; font-size: 13px; }
.session-info > span:first-child { min-width: 0; overflow-wrap: anywhere; }
.skip-link { position: absolute; top: -80px; left: 12px; z-index: 10; padding: 10px 16px; background: #fff; border: 2px solid var(--brand); }
.skip-link:focus { top: 6px; }
main { max-width: 1440px; min-width: 0; margin: 24px auto 56px; padding: 0 24px; }
footer { max-width: 1440px; margin: 0 auto 30px; padding: 16px 24px; border-top: 1px solid var(--line); color: var(--sub); font-size: 12px; }
footer span { margin-left: 14px; }
h1 { margin: 4px 0 8px; font-size: clamp(23px, 3vw, 29px); line-height: 1.45; }
h2 { margin: 0 0 12px; font-size: 18px; line-height: 1.6; }
h3 { margin: 0 0 8px; font-size: 15px; }
p { margin: 0 0 12px; }
.page-heading { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; margin: 0 0 24px; }
.page-heading > div { min-width: 0; max-width: 100%; }
.page-heading p:last-child { margin-bottom: 0; }
.eyebrow { margin: 0 0 2px; color: var(--sub); font-size: 12px; font-weight: 600; letter-spacing: .04em; }
.crumb { display: inline-flex; align-items: center; min-height: 40px; font-size: 13px; text-decoration: none; color: var(--sub); }
.panel { padding: 22px 24px; background: #fff; border: 1px solid var(--line); border-radius: 11px; margin-bottom: 20px; min-width: 0; }
.section { margin-top: 28px; }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; min-width: 0; max-width: 100%; }
.actions form { display: inline-flex; }
.actions button, .filter-actions button { margin: 0; }
.muted, .help { color: var(--sub); }
.help { font-size: 12px; font-weight: 400; line-height: 1.65; }
.notice { padding: 12px 16px; border-radius: 8px; border: 1px solid #f4deaa; background: var(--warn-bg); color: #855008; margin: 0 0 18px; font-size: 14px; }
.notice.error { color: var(--red); background: #fff1f0; border-color: #f3cecb; }
.field-error { color: var(--red); font-weight: 500; font-size: 12px; }
.badge { display: inline-block; padding: 3px 8px; max-width: 100%; min-width: 0; border-radius: 6px; font-size: 11px; line-height: 1.55; font-weight: 700; vertical-align: middle; }
.badges { display: inline-flex; gap: 5px; align-items: center; flex-wrap: wrap; min-width: 0; max-width: 100%; }
.badge.role, .badge.planned { background: var(--accent); color: var(--brand); }
.badge.paid, .badge.enabled { background: #e4f5ed; color: #096548; }
.badge.cancelled { background: #f0f1f3; color: #636a76; }
.badge.overdue { background: #fee9e7; color: var(--red); }
.badge.due-today { background: #fff3cf; color: #885400; }
.badge.method { background: #f0edfb; color: #67529e; font-size: 10px; }
.tabs { display: flex; flex-wrap: wrap; gap: 6px; padding-bottom: 13px; margin-bottom: 12px; border-bottom: 1px solid var(--line); }
.tabs a { display: inline-flex; align-items: center; min-height: 42px; padding: 7px 15px; border: 1px solid transparent; border-radius: 8px; text-decoration: none; font-size: 14px; color: var(--sub); }
.tabs a.active { background: #fff; border-color: #b8cce5; color: var(--brand); font-weight: 700; }
.filter-panel { margin-bottom: 20px; min-width: 0; }
.filter-panel > summary { display: flex; align-items: center; gap: 10px; min-height: 44px; padding: 8px 14px; border: 1px solid var(--line); border-radius: 9px; background: #fff; color: var(--brand); font-size: 14px; font-weight: 700; cursor: pointer; }
.filter-panel[open] > summary { border-bottom-left-radius: 0; border-bottom-right-radius: 0; border-bottom-color: transparent; }
.filter-panel > .panel { border-top-left-radius: 0; border-top-right-radius: 0; margin-bottom: 0; }
.filter-state { padding: 1px 8px; border-radius: 6px; background: var(--accent); font-size: 11px; font-weight: 600; }
.filter-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px 16px; }
.filter-wide { grid-column: span 2; }
.filter-actions { display: flex; align-items: end; flex-wrap: wrap; gap: 8px; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px 24px; max-width: 1050px; }
.wide { grid-column: 1 / -1; }
.form-grid .help.wide { margin: 0; }
.form-grid > label { justify-content: start; }
.checkbox-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 5px 14px; }
.check-option { display: flex; flex-direction: row; align-items: center; min-height: 42px; gap: 8px; font-weight: 400; }
.list-summary { display: flex; flex-wrap: wrap; align-items: baseline; gap: 10px 28px; padding: 5px 0 16px; font-size: 14px; }
.summary-amount { font-size: 24px; letter-spacing: -.025em; margin-left: 7px; color: var(--brand); }
table.list { border-collapse: separate; border-spacing: 0; width: 100%; table-layout: fixed; background: #fff; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; font-size: 13px; }
table.list th, table.list td { text-align: left; padding: 12px 11px; border-bottom: 1px solid var(--line); vertical-align: top; overflow-wrap: anywhere; min-width: 0; }
table.list th { background: var(--accent); color: #56657b; font-size: 12px; font-weight: 600; }
table.list tr:last-child td { border-bottom: 0; }
table.list .number { text-align: right; font-variant-numeric: tabular-nums; }
table.list .amount { font-weight: 700; }
.plan-list th:nth-child(2) { width: 18%; }
.plan-list th:nth-child(3) { width: 14%; }
table.list a.row-link { display: inline-flex; align-items: center; min-height: 40px; margin-top: -8px; margin-bottom: -8px; text-decoration: none; font-weight: 700; }
.empty { color: var(--sub); text-align: center !important; padding: 30px 16px !important; }
.pagination { display: flex; justify-content: center; align-items: center; flex-wrap: wrap; gap: 16px; margin: 24px 0; color: var(--sub); font-size: 13px; }
.detail-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 32px; margin: 0; }
.detail-grid > div { min-width: 0; border-bottom: 1px solid var(--line); padding: 15px 0; }
.detail-grid dt { color: var(--sub); font-size: 12px; }
.detail-grid dd { margin: 3px 0 0; font-size: 15px; }
.detail-grid .detail-amount { font-size: 26px; color: var(--brand); font-weight: 700; line-height: 1.45; }
.pre-wrap { white-space: pre-wrap; min-width: 0; max-width: 100%; }
.json-view { overflow-wrap: anywhere; white-space: pre-wrap; background: var(--bg); border-radius: 6px; padding: 14px; max-width: 100%; font-size: 12px; }
.transition-grid { display: flex; flex-wrap: wrap; gap: 20px 30px; }
.action-form { flex: 1 1 270px; max-width: 430px; }
.audit-change { font-size: 12px; padding-bottom: 6px; }
.note-text { font-size: 12px; color: var(--sub); margin: 4px 0; white-space: pre-wrap; }
.audit-list th:nth-child(5) { width: 30%; }
.stat-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.stat-card { padding: 22px; border: 1px solid var(--line); border-top: 3px solid var(--brand); border-radius: 10px; background: #fff; min-width: 0; }
.stat-card.attention { border-top-color: #df866c; }
.stat-card h2 { font-size: 13px; color: var(--sub); margin-bottom: 12px; }
.stat-value { font-size: clamp(23px, 2.6vw, 32px); line-height: 1.35; font-weight: 800; font-variant-numeric: tabular-nums; letter-spacing: -.04em; margin: 0 0 8px; }
.stat-card .muted { font-size: 12px; margin: 0; }
.stat-card.attention .stat-value, .overdue-text { color: var(--red); }
.metric-count { display: block; font-size: 11px; color: var(--sub); margin-top: 2px; }
.chart-months { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.chart-month { min-width: 0; }
.chart-month h3 { font-size: 13px; padding-bottom: 7px; border-bottom: 1px solid var(--line); }
.chart-item { margin-top: 11px; }
.chart-label { display: flex; flex-wrap: wrap; gap: 2px 10px; justify-content: space-between; font-size: 11px; }
.chart-label strong { font-variant-numeric: tabular-nums; }
.bar-chart { display: block; width: 100%; height: 12px; margin-top: 4px; }
.chart-track { fill: #f0f2f5; }
.company-color-0 { fill: #3778bd; }
.company-color-1 { fill: #429a8b; }
.company-color-2 { fill: #a989c3; }
.company-color-3 { fill: #d4a357; }
.company-color-4 { fill: #839fb7; }
.company-color-5 { fill: #cd7f89; }
.company-subtotals { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; margin-bottom: 22px; }
.subtotal { background: #fff; border: 1px solid var(--line); border-radius: 9px; padding: 16px; }
.subtotal h2 { font-size: 13px; margin-bottom: 5px; color: var(--sub); }
.subtotal > strong { display: block; font-size: 23px; }
.subtotal > span { font-size: 12px; }
.calendar-heading { display: flex; gap: 16px; align-items: center; justify-content: space-between; margin-bottom: 15px; }
.calendar-heading h2 { margin: 0; font-size: 23px; }
.calendar { background: #fff; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
.calendar-weekdays, .calendar-week { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); }
.calendar-weekdays { background: var(--accent); font-size: 12px; text-align: center; color: var(--sub); }
.calendar-weekdays > div { padding: 9px 0; }
.calendar-weekdays > div:first-child { color: var(--red); }
.calendar-weekdays > div:last-child { color: var(--brand); }
.calendar-day { min-width: 0; min-height: 150px; padding: 9px 7px; border-right: 1px solid var(--line); border-top: 1px solid var(--line); }
.calendar-day:last-child { border-right: 0; }
.calendar-day.outside-month { background: #f7f8fa; color: #adb4be; }
.calendar-day.today { background: #f7faff; }
.day-heading { display: flex; align-items: center; flex-wrap: wrap; gap: 6px; font-size: 12px; }
.day-full-date { display: none; }
.today-marker { font-weight: 500; color: var(--brand); font-size: 10px; }
.calendar-plan { display: flex; flex-direction: column; gap: 4px; margin-bottom: 6px; padding: 7px; border-radius: 6px; background: #f3f6fa; color: var(--ink); text-decoration: none; min-width: 0; max-width: 100%; }
.calendar-plan.overdue-plan { background: #fff0ee; color: var(--red); }
.calendar-customer { font-size: 11px; line-height: 1.6; }
.calendar-plan strong { font-size: 12px; font-variant-numeric: tabular-nums; }
.calendar-plan .badge { font-size: 9px; padding: 1px 4px; }
.day-total { border-top: 1px dashed var(--line); margin: 7px 0 0; padding-top: 6px; color: var(--sub); font-size: 10px; }
.day-total strong { display: block; color: var(--ink); font-size: 11px; font-variant-numeric: tabular-nums; }
.admin-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.admin-card { display: flex; flex-direction: column; min-width: 0; padding: 24px; border: 1px solid var(--line); border-radius: 10px; background: #fff; text-decoration: none; }
.admin-card:hover { border-color: #a6c1df; }
.admin-card h2 { color: var(--ink); font-size: 18px; }
.admin-card p { font-size: 13px; color: var(--sub); }
.admin-card > span { margin-top: auto; font-size: 13px; }
.login-panel { width: min(480px, 100%); margin: 60px auto; padding: 32px; }
.login-panel h1 { margin-bottom: 12px; }
.login-panel .full-width { margin-top: 16px; }
.login-divider { margin-top: 26px; padding-top: 24px; border-top: 1px solid var(--line); }
.login-divider h2 { font-size: 16px; margin-bottom: 4px; }
.login-panel select { margin-top: 5px; }
.full-width { width: 100%; }
.message-panel { width: min(700px, 100%); margin: 60px auto; }
code { font-family: ui-monospace, monospace; background: #f0f3f7; border-radius: 3px; padding: 2px 4px; }
[hidden], .hidden { display: none !important; }
@media (max-width: 1100px) {
  header.site { gap: 6px 18px; }
  .session-info { width: 100%; justify-content: flex-end; }
  .filter-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  table.list { font-size: 12px; }
  table.list th, table.list td { padding: 10px 8px; }
  .chart-months { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stat-card { padding: 18px; }
}
@media (max-width: 800px) {
  .filter-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .admin-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stat-value { font-size: 22px; }
  .stat-card { padding: 16px 12px; }
  table.list, table.list tbody, table.list tr, table.list td { display: block; width: 100%; }
  table.list { border: 0; border-radius: 0; background: transparent; overflow: visible; }
  table.list thead { display: none; }
  table.list tr { background: #fff; border: 1px solid var(--line); border-radius: 9px; padding: 5px 12px; margin: 0 0 12px; }
  table.list td { display: grid; grid-template-columns: 94px minmax(0, 1fr); gap: 10px; padding: 9px 0; border-bottom: 1px solid #edf0f4; text-align: left; font-size: 13px; }
  table.list td::before { content: attr(data-label); color: var(--sub); font-size: 11px; font-weight: 500; padding-top: 2px; }
  table.list td > * { min-width: 0; max-width: 100%; }
  table.list .number { text-align: left; }
  table.list tr:last-child td { border-bottom: 1px solid #edf0f4; }
  table.list tr td:last-child { border-bottom: 0; }
  table.list .empty-row td { display: block; }
  table.list .empty-row td::before { display: none; }
  table.list a.row-link { margin: -9px 0; }
  .checkbox-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (min-width: 601px) and (max-width: 800px) {
  /* タブレット縦持ち: カードを2列に並べ、1画面に入る件数を増やす */
  table.list tbody { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
  table.list tr { margin: 0; }
  table.list .empty-row { grid-column: 1 / -1; }
}
@media (max-width: 700px) {
  .calendar { border: 0; background: transparent; border-radius: 0; overflow: visible; }
  .calendar-weekdays { display: none; }
  .calendar-week { display: contents; }
  .calendar-day { min-height: 0; margin-bottom: 15px; padding: 15px; background: #fff; border: 1px solid var(--line); border-radius: 9px; }
  .calendar-day:last-child { border-right: 1px solid var(--line); }
  .calendar-day.empty-day, .calendar-day.outside-month { display: none; }
  .day-number { display: none; }
  .day-full-date { display: inline; font-size: 15px; }
  .day-plans { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
  .calendar-plan { padding: 11px; margin: 0; }
  .calendar-customer { font-size: 13px; }
  .calendar-plan strong { font-size: 15px; }
  .calendar-plan .badge { font-size: 10px; padding: 2px 5px; }
  .day-total { display: flex; align-items: baseline; justify-content: space-between; font-size: 12px; padding-top: 10px; margin-top: 10px; }
  .day-total strong { font-size: 17px; }
}
@media (max-width: 600px) {
  header.site { padding: 10px 12px; gap: 4px; }
  .brand { margin-right: auto; }
  .main-nav { width: 100%; order: 3; gap: 2px; margin-top: 6px; }
  .main-nav a { padding: 7px 8px; font-size: 11px; }
  .session-info { width: auto; flex: 0 1 auto; font-size: 11px; gap: 5px; }
  .session-info .compact { font-size: 11px; padding: 5px 8px; }
  main { padding: 0 12px; margin-top: 20px; }
  footer { padding: 15px 12px; }
  footer span { display: block; margin: 5px 0 0; }
  .page-heading { gap: 12px; margin-bottom: 18px; }
  .panel { padding: 18px 15px; }
  .filter-grid, .form-grid { grid-template-columns: minmax(0, 1fr); gap: 15px; }
  .filter-wide, .wide { grid-column: 1; }
  .filter-actions { gap: 8px; }
  .form-grid .actions { margin-top: 4px; }
  .tabs { gap: 2px; }
  .tabs a { padding: 7px 10px; font-size: 12px; }
  .list-summary { gap: 7px 16px; font-size: 13px; }
  .summary-amount { font-size: 22px; }
  .list-summary .muted { width: 100%; font-size: 11px; }
  .stat-grid { grid-template-columns: minmax(0, 1fr); gap: 12px; }
  .stat-card { padding: 17px 18px; }
  .stat-card h2 { margin-bottom: 7px; }
  .stat-value { font-size: 31px; }
  .chart-months { grid-template-columns: minmax(0, 1fr); gap: 24px; }
  .chart-label { font-size: 12px; }
  .bar-chart { height: 13px; }
  .company-subtotals { grid-template-columns: minmax(0, 1fr); gap: 10px; }
  .subtotal { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: baseline; gap: 0 10px; }
  .subtotal h2 { grid-column: 1 / -1; }
  .subtotal > strong { font-size: 24px; }
  .detail-grid { grid-template-columns: minmax(0, 1fr); }
  .detail-grid .wide { grid-column: 1; }
  .transition-grid { gap: 22px; }
  .action-form { max-width: 100%; }
  .admin-grid { grid-template-columns: minmax(0, 1fr); gap: 12px; }
  .admin-card { padding: 20px; }
  .login-panel, .message-panel { margin: 28px auto; }
  .checkbox-grid { grid-template-columns: minmax(0, 1fr); }
  .day-plans { grid-template-columns: minmax(0, 1fr); }
}
@media (prefers-reduced-motion: reduce) { * { scroll-behavior: auto !important; } }