:root {
  --bg: #f4f5f7;
  --card: #fff;
  --text: #1a1d23;
  --muted: #5c6573;
  --border: #e1e4ea;
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --danger: #b91c1c;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(16, 24, 40, 0.06);
  --font-min: 10px;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Hiragino Sans", "Noto Sans JP", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

.site-header {
  background: var(--card);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow);
}
.site-header__inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.brand {
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
}
.nav {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
}
.nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
}
.nav a:hover { color: var(--primary); }
.nav__logout { color: var(--danger); }

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 28px 20px 48px;
}

.page-title {
  margin: 0 0 8px;
  font-size: 1.5rem;
}
.lead { color: var(--muted); margin: 0 0 16px; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  margin-bottom: 16px;
  box-shadow: var(--shadow);
}
.card--danger-zone {
  border-left: 4px solid var(--danger);
}
.card--narrow { max-width: 420px; margin: 48px auto; }
.card h2 { margin-top: 0; font-size: 1.05rem; }

.toolbar {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 16px;
}
.view-switch {
  margin-left: auto;
  display: inline-flex;
  gap: 8px;
}
.card--dashboard-list {
  max-width: 920px;
  margin-left: auto;
  margin-right: auto;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 14px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  text-decoration: none;
  font-size: 0.95rem;
  cursor: pointer;
  box-sizing: border-box;
}
a.btn:visited { color: var(--text); }
.btn:hover { border-color: #cbd2e0; }
.btn--sm {
  padding: 5px 10px;
  font-size: 0.85rem;
  border-radius: 6px;
}
.btn--primary {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}
a.btn--primary:visited { color: #fff; }
.btn--primary:hover { background: var(--primary-hover); border-color: var(--primary-hover); }
.btn--ghost { background: transparent; }
.btn--danger {
  background: #dc2626;
  border-color: #dc2626;
  color: #fff;
}
.btn--danger:hover {
  background: #b91c1c;
  border-color: #b91c1c;
}

.form .field { display: block; margin-bottom: 12px; }
.form--inline .field { display: inline-block; margin-right: 12px; }
.field__label { display: block; font-size: 0.85rem; color: var(--muted); margin-bottom: 4px; }
.input {
  width: 100%;
  max-width: 420px;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 1rem;
}
.form--wide .input { max-width: none; }
textarea.input { min-height: 100px; resize: vertical; }
.field.checkbox { display: flex; align-items: center; gap: 8px; }

.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
}
.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}
.table th, .table td {
  border-bottom: 1px solid var(--border);
  padding: 10px 8px;
  text-align: left;
  vertical-align: top;
}
.table th { color: var(--muted); font-weight: 600; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.02em; }
.table__actions {
  white-space: nowrap;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}
.table__actions form {
  margin: 0;
}
.right { text-align: right; }

.kv { display: grid; grid-template-columns: 140px 1fr; gap: 8px 12px; margin: 0; }
.kv dt { color: var(--muted); margin: 0; }
.kv dd { margin: 0; }

.flash {
  padding: 10px 12px;
  border-radius: 8px;
  margin: 0 0 12px;
}
.flash--error {
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #991b1b;
}

.filters select, .filters .input { max-width: 220px; }
.filters__row { display: flex; flex-wrap: wrap; gap: 12px; align-items: flex-end; }
.reports-filterbar {
  margin-bottom: 12px;
  padding: 10px 0 4px;
}

.reports-sheet-wrap {
  width: 100%;
  overflow-x: auto;
  border: 1px solid #d8dde6;
  border-radius: 8px;
  background: #fff;
}
.reports-sheet {
  min-width: 1650px;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 13px;
}
.reports-sheet th {
  position: sticky;
  top: 0;
  z-index: 2;
  background: #f3f4f6;
  color: #374151;
  text-transform: none;
  font-size: 12px;
  letter-spacing: 0;
  border-bottom: 1px solid #d1d5db;
  white-space: nowrap;
}
.reports-sheet td {
  border-bottom: 1px solid #eceff3;
  background: #fff;
}
.reports-sheet tbody tr:nth-child(even) td {
  background: #fafafa;
}
.reports-sheet__mono {
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}
.reports-sheet__multiline {
  white-space: pre-wrap;
  line-height: 1.45;
  min-width: 220px;
}
.reports-sheet__singleline {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 1px;
}
.reports-sheet .col-week { min-width: 100px; }
.reports-sheet .col-worker { min-width: 130px; }
.reports-sheet .col-work { min-width: 360px; }
.reports-sheet .col-total { min-width: 90px; }
.reports-sheet .col-achievement { min-width: 230px; }
.reports-sheet .col-next { min-width: 300px; }
.reports-sheet .col-note { min-width: 260px; }
.reports-sheet .col-action { min-width: 140px; }

.calendar-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin: 10px 0 12px;
}
.reports-calendar {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  border: 1px solid #d8dde6;
  border-right: 0;
  border-bottom: 0;
  background: #fff;
}
.reports-calendar-mobile {
  display: none;
}
.reports-calendar__head {
  padding: 8px 6px;
  text-align: center;
  font-size: 12px;
  font-weight: 600;
  color: #4b5563;
  background: #f3f4f6;
  border-right: 1px solid #d8dde6;
  border-bottom: 1px solid #d8dde6;
}
.reports-calendar__cell {
  min-height: 170px;
  padding: 6px;
  border-right: 1px solid #e5e7eb;
  border-bottom: 1px solid #e5e7eb;
}
.reports-calendar__cell--empty {
  background: #fafafa;
}
.reports-calendar__date {
  font-size: 12px;
  font-weight: 700;
  margin-bottom: 6px;
}
.reports-calendar__event {
  font-size: 12px;
  line-height: 1.4;
  margin-bottom: 4px;
  padding: 3px 6px;
  border-radius: 4px;
  background: #eef2ff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.reports-calendar__event--office {
  background: #fee2e2;
  color: #991b1b;
}
.reports-calendar__event--remote {
  background: #e0f2fe;
  color: #075985;
}
.reports-calendar__group {
  margin-top: 8px;
}
.reports-calendar__group-label {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  margin: 0 0 6px;
  padding: 6px 14px;
  border-radius: 999px;
  line-height: 1;
  letter-spacing: 0.01em;
}
.reports-calendar__group--remote .reports-calendar__group-label {
  background: #92b7ea;
  color: #ffffff;
}
.reports-calendar__group--remote-label {
  background: #92b7ea;
  color: #ffffff;
}
.reports-calendar__group--office .reports-calendar__group-label {
  background: #edc195;
  color: #ffffff;
}
.reports-calendar__group--office-label {
  background: #edc195;
  color: #ffffff;
}
.reports-calendar__event {
  border-radius: 12px;
  margin-bottom: 6px;
  padding: 8px 12px;
  font-size: 13px;
  position: relative;
  cursor: pointer;
  overflow: visible;
}
.reports-calendar__event--remote {
  background: #f7faff;
  color: #0f172a;
}
.reports-calendar__event--office {
  background: #fff7f3;
  color: #0f172a;
}
.reports-calendar__tooltip {
  position: absolute;
  left: 50%;
  bottom: calc(100% + 8px);
  transform: translate(-50%, 4px);
  z-index: 10;
  background: #f8fafc;
  color: #334155;
  border: 1px solid #cbd5e1;
  box-shadow: 0 6px 18px rgba(15, 23, 42, 0.14);
  font-size: 10px;
  border-radius: 6px;
  padding: 4px 8px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.15s ease, transform 0.15s ease;
}
.reports-calendar__tooltip::after {
  content: '';
  position: absolute;
  left: 50%;
  top: 100%;
  transform: translateX(-50%);
  border: 6px solid transparent;
  border-top-color: #cbd5e1;
}
.reports-calendar__tooltip::before {
  content: '';
  position: absolute;
  left: 50%;
  top: calc(100% - 1px);
  transform: translateX(-50%);
  border: 5px solid transparent;
  border-top-color: #f8fafc;
  z-index: 1;
}
.reports-calendar__event:hover .reports-calendar__tooltip,
.reports-calendar__event:focus .reports-calendar__tooltip,
.reports-calendar__event.is-open .reports-calendar__tooltip {
  opacity: 1;
  transform: translate(-50%, 0);
}
@media (max-width: 900px) {
  .reports-calendar {
    display: none;
  }
  .reports-calendar-mobile {
    display: block;
  }
  .reports-calendar-mobile__day {
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 10px;
    padding: 10px;
    margin-bottom: 10px;
  }
  .reports-calendar-mobile__head {
    font-size: 13px;
    font-weight: 700;
    color: #334155;
    margin-bottom: 8px;
  }
  .reports-calendar-mobile__group {
    margin-bottom: 10px;
  }
  .reports-calendar-mobile__label {
    margin-bottom: 6px;
  }
  .reports-calendar-mobile__none {
    color: #94a3b8;
    font-size: 12px;
  }
  .reports-calendar__event {
    font-size: 12px;
  }
}

.repeat-block { display: flex; flex-direction: column; gap: 10px; }
.repeat-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr auto auto;
  gap: 8px;
  align-items: end;
  padding: 10px;
  border: 1px dashed var(--border);
  border-radius: 8px;
  background: #fafbfc;
}
@media (max-width: 900px) {
  .repeat-row { grid-template-columns: 1fr 1fr; }
}

.hint { font-size: 0.85rem; color: var(--muted); margin: 8px 0 0; }

.invoice-totals { max-width: 420px; margin-top: 16px; }

fieldset.card { border: 1px solid var(--border); }
fieldset.card legend { font-weight: 600; padding: 0 6px; }

/* ダッシュボード: 集計カード */
.dashboard-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
  max-width: 920px;
  margin: 0 auto 20px;
}
.dashboard-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 16px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  text-decoration: none;
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.06);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
a.dashboard-stat:visited {
  color: var(--text);
}
.dashboard-stat:hover {
  border-color: #c5cce0;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.08);
}
.dashboard-stat--active {
  border-color: var(--primary);
  box-shadow: 0 0 0 1px var(--primary);
  background: #f8fafc;
}
.dashboard-stat__label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--muted);
  line-height: 1.35;
}
.dashboard-stat__value {
  font-size: 1.65rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.1;
}
.dashboard-stat__hint {
  font-size: max(var(--font-min), 0.72rem);
  color: var(--muted);
}
.dashboard-filter-note {
  max-width: 920px;
  margin: -8px auto 16px;
  font-size: 0.9rem;
  color: var(--muted);
}
.dashboard-filter-note a {
  color: var(--primary);
  text-decoration: none;
}
.dashboard-filter-note a:hover {
  text-decoration: underline;
}
.lead--sub {
  max-width: 920px;
  margin: 0 auto 12px;
  font-size: 0.95rem;
  color: var(--muted);
}

.badge--profile {
  background: #f0fdfa;
  color: #0f766e;
  border-color: #99f6e4;
}

/* ダッシュボード: 1カラム横長カード */
.dashboard-grid {
  display: flex;
  flex-direction: column;
  gap: 22px;
  max-width: 920px;
  margin: 0 auto;
}

.member-card {
  position: relative;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  border-left: 4px solid var(--primary);
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.06);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.member-card__head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px 16px;
  padding: 18px 22px 16px;
  border-bottom: 1px solid var(--border);
  background: #f8fafc;
}
.member-card__title {
  min-width: 0;
}
.member-card__head-right {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  justify-content: flex-end;
}
.member-card__name {
  display: block;
  font-weight: 700;
  font-size: 1.08rem;
  letter-spacing: 0.02em;
}
.member-card__kana {
  display: block;
  font-size: 0.8rem;
  color: var(--muted);
  margin-top: 2px;
}
.member-card__badges {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.member-card__edit {
  padding: 6px 12px;
  font-size: 0.85rem;
}

.badge {
  display: inline-block;
  font-size: max(var(--font-min), 0.72rem);
  font-weight: 600;
  padding: 4px 8px;
  border-radius: 999px;
  background: #eff6ff;
  color: #1e40af;
  border: 1px solid #bfdbfe;
}
.badge--muted {
  background: #f4f4f5;
  color: var(--muted);
  border-color: var(--border);
}

.member-card__body {
  padding: 18px 22px 22px;
}

.member-card__columns {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
@media (min-width: 768px) {
  .member-card__columns {
    flex-direction: row;
    align-items: flex-start;
    gap: 16px;
  }
  .member-card__column {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 14px;
  }
}

.member-card__block {
  border-radius: 10px;
  padding: 14px 14px 12px;
  border: 1px solid var(--border);
}
.member-card__block--accent {
  border-left: 3px solid var(--primary);
  background: #fafafa;
}
.member-card__block--tone-a {
  background: #f1f5f9;
  border-color: #e2e8f0;
}
.member-card__block--tone-b {
  background: #f3e8ff;
  border-color: #e9d5ff;
  border-left-color: #7c3aed;
}
.member-card__block--tone-d {
  background: #ecfeff;
  border-color: #a5f3fc;
  border-left-color: #0891b2;
}

.member-card__details {
  padding: 0;
  overflow: hidden;
}
.member-card__summary {
  margin: 0;
  padding: 14px 14px 12px;
  font-size: max(var(--font-min), 0.72rem);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #6b21a8;
  cursor: pointer;
  list-style: none;
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  user-select: none;
}
.member-card__summary::-webkit-details-marker {
  display: none;
}
.member-card__summary::before {
  content: '▸ ';
  display: inline-block;
  transition: transform 0.15s ease;
  opacity: 0.7;
}
.member-card__details[open] .member-card__summary::before {
  transform: rotate(90deg);
}
.member-card__details-body {
  padding: 12px 14px 14px;
}
.member-card__details .member-card__block--accent {
  border-left-width: 3px;
}
.member-card__label {
  margin: 0 0 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  font-size: max(var(--font-min), 0.72rem);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.member-dl {
  margin: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px 16px;
}
@media (min-width: 520px) {
  .member-dl {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
.member-dl > div {
  display: grid;
  grid-template-columns: 5.5rem minmax(0, 1fr);
  gap: 8px 10px;
  align-items: start;
}
.member-dl--full {
  grid-column: 1 / -1;
  grid-template-columns: 5.5rem minmax(0, 1fr);
}
.member-dl dt {
  margin: 0;
  font-size: max(var(--font-min), 0.78rem);
  color: var(--muted);
  font-weight: 600;
}
.member-dl dd {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.45;
  word-break: break-word;
}
.member-dl__break {
  overflow-wrap: anywhere;
}