:root {
  --color-bg: #faf5ea;
  --color-surface: #ffffff;
  --color-surface-soft: #f7f1e2;
  --color-border: #e4d8bd;
  --color-green-900: #12362f;
  --color-green-800: #17453b;
  --color-green-700: #1f5c4e;
  --color-green-600: #266b5a;
  --color-green-100: #e4efe9;
  --color-gold: #c69a4b;
  --color-gold-soft: #e8ce93;
  --color-text: #2b2118;
  --color-text-muted: #6e6152;
  --color-text-on-dark: #f6f1e4;
  --color-text-on-dark-muted: #cfc3ac;
  --color-danger: #c0453c;
  --color-success: #2f7d68;
  --color-warn: #b8622a;
  --radius: 10px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
}

a {
  color: var(--color-green-700);
  text-decoration: none;
}

.admin-shell {
  display: flex;
  min-height: 100vh;
}

.admin-nav {
  width: 220px;
  flex-shrink: 0;
  background: linear-gradient(180deg, var(--color-green-800), var(--color-green-900));
  border-right: 1px solid var(--color-green-900);
  padding: 24px 16px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.admin-nav__brand {
  font-weight: 700;
  font-size: 15px;
  line-height: 1.5;
  color: var(--color-text-on-dark);
}

.admin-nav__brand span {
  display: block;
  font-size: 11px;
  color: var(--color-text-on-dark-muted);
  font-weight: 400;
}

.admin-nav nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.admin-nav__link {
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 13.5px;
  color: var(--color-text-on-dark-muted);
}

.admin-nav__link.is-active {
  background: rgba(246, 241, 228, 0.12);
  color: var(--color-gold-soft);
  font-weight: 700;
}

.admin-nav__foot {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 12.5px;
}

.admin-nav__foot a {
  color: var(--color-gold-soft);
}

.admin-nav__logout {
  width: 100%;
  background: none;
  border: 1px solid rgba(246, 241, 228, 0.25);
  color: var(--color-text-on-dark-muted);
  padding: 8px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 12.5px;
}

.admin-main {
  flex: 1;
  padding: 32px 40px 80px;
  max-width: 1080px;
}

.admin-main__title {
  font-size: 22px;
  margin: 0 0 24px;
}

.admin-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-bottom: 28px;
}

.admin-stat {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 16px;
  text-align: center;
}

.admin-stat--warn {
  border-color: var(--color-warn);
}

.admin-stat__value {
  display: block;
  font-size: 26px;
  font-weight: 700;
  color: var(--color-green-700);
}

.admin-stat__label {
  font-size: 12px;
  color: var(--color-text-muted);
}

.admin-panel {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 24px;
}

.admin-panel--warn {
  border-color: var(--color-warn);
}

.admin-panel h2 {
  margin: 0 0 8px;
  font-size: 17px;
}

.admin-panel__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px 16px;
}

.admin-panel__head h2 {
  margin: 0;
}

.admin-panel__hint {
  color: var(--color-text-muted);
  font-size: 13px;
  margin: 0 0 16px;
}

.admin-subheading {
  font-size: 14px;
  color: var(--color-green-700);
  margin: 24px 0 12px;
  border-top: 1px solid var(--color-border);
  padding-top: 16px;
}

.admin-vacancy-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.admin-vacancy-list li {
  background: rgba(184, 98, 42, 0.08);
  border: 1px solid var(--color-warn);
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 13.5px;
}

.admin-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.admin-form--grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 14px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.field--full {
  grid-column: 1 / -1;
}

.field label {
  font-size: 12.5px;
  color: var(--color-text-muted);
}

.required {
  color: var(--color-danger);
  font-size: 10px;
  border: 1px solid var(--color-danger);
  border-radius: 4px;
  padding: 1px 4px;
  margin-left: 4px;
}

input, textarea, select {
  font-family: inherit;
  font-size: 13.5px;
  padding: 9px 10px;
  border-radius: 7px;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
}

input:focus, textarea:focus, select:focus {
  outline: 2px solid var(--color-green-600);
}

.admin-checkbox {
  flex-direction: row;
  align-items: center;
  gap: 8px;
  font-size: 13px;
}

.admin-checkbox--inline {
  flex: 0 0 auto;
}

.admin-hours-grid {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.admin-hours-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px 12px;
  font-size: 13px;
}

.admin-hours-row__day {
  width: 60px;
  flex-shrink: 0;
  color: var(--color-text-muted);
}

.admin-hours-row__time {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.admin-hours-row input[type="time"] {
  width: 110px;
}

@media (max-width: 480px) {
  .admin-hours-row__time {
    width: 100%;
    padding-left: 72px;
  }
  .admin-hours-row input[type="time"] {
    width: 100px;
    flex: 1 1 auto;
    min-width: 0;
  }
}

.actions {
  display: flex;
  justify-content: flex-end;
}

button {
  font-family: inherit;
  cursor: pointer;
}

button[type="submit"]:not(.button-secondary):not(.button-danger) {
  background: linear-gradient(135deg, var(--color-green-600), var(--color-green-800));
  color: #fdfaf1;
  border: none;
  padding: 10px 22px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 13.5px;
  box-shadow: 0 8px 18px rgba(18, 54, 47, 0.25);
}

.button-secondary {
  background: var(--color-surface-soft);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  padding: 8px 16px;
  border-radius: 999px;
  white-space: nowrap;
  flex-shrink: 0;
  display: inline-block;
  font-size: 13px;
}

.button-danger {
  background: none;
  border: 1px solid var(--color-danger);
  color: var(--color-danger);
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 12.5px;
  white-space: nowrap;
  flex-shrink: 0;
}

.button-danger--small {
  padding: 3px 10px;
  font-size: 11.5px;
}

.admin-filter {
  display: flex;
  align-items: end;
  gap: 14px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.admin-filter--compact {
  margin-bottom: 0;
}

.admin-filter--compact select {
  padding: 7px 10px;
}

/* --- 予約カレンダー --- */
.admin-calendar-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  flex-wrap: nowrap;
  width: 100%;
}

.admin-calendar-nav__label {
  font-weight: 700;
  font-size: 15px;
  color: var(--color-green-800);
  min-width: 90px;
  text-align: center;
  flex-shrink: 0;
  white-space: nowrap;
}

.admin-calendar-weekdays {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  text-align: center;
  font-size: 11.5px;
  color: var(--color-text-muted);
  margin-bottom: 6px;
}

.admin-calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 6px;
}

.admin-calendar-day {
  min-height: 68px;
  border: 1px solid var(--color-border);
  background: var(--color-surface-soft);
  border-radius: 8px;
  padding: 6px 4px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  color: var(--color-text);
  font-size: 11px;
  text-decoration: none;
}

.admin-calendar-day--pad {
  border: none;
  background: transparent;
}

.admin-calendar-day__num {
  font-weight: 700;
  font-size: 14px;
}

.admin-calendar-day__status {
  font-size: 10px;
}

.admin-calendar-day__status--busy {
  color: var(--color-green-700);
  font-weight: 700;
}

.admin-calendar-day__status--empty {
  color: var(--color-text-muted);
}

.admin-calendar-day__status--closed {
  color: var(--color-text-muted);
}

.admin-calendar-day__flag {
  font-size: 9px;
  color: var(--color-warn);
  font-weight: 700;
}

.admin-calendar-day.is-closed {
  opacity: 0.45;
}

.admin-calendar-day.is-today {
  box-shadow: 0 0 0 1px var(--color-gold) inset;
}

.admin-calendar-day.is-selected {
  border-color: var(--color-green-700);
  background: var(--color-green-100);
  box-shadow: 0 0 0 2px var(--color-green-700) inset;
}

.admin-calendar-day.has-vacancy {
  border-color: var(--color-warn);
}

/* --- 選択日の予約カード --- */
.admin-reservation-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.admin-reservation-card {
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 14px 16px;
  background: var(--color-surface-soft);
}

.admin-reservation-card.is-cancelled {
  opacity: 0.55;
}

.admin-reservation-card__head {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 10px;
  margin-bottom: 10px;
}

.admin-reservation-card__time {
  font-weight: 700;
  font-size: 14px;
  white-space: nowrap;
  flex-shrink: 0;
}

.admin-reservation-card__body {
  font-size: 13.5px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 8px;
}

.admin-reservation-card__contact {
  color: var(--color-text-muted);
  font-size: 12.5px;
}

.admin-reservation-card__note {
  font-size: 12.5px;
  color: var(--color-text-muted);
}

.admin-reservation-card__foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px 12px;
  border-top: 1px solid var(--color-border);
  padding-top: 10px;
}

.admin-reservation-card__foot details {
  font-size: 12.5px;
  flex: 1;
}

@media (max-width: 780px) {
  .admin-calendar-day {
    min-height: 52px;
    font-size: 9.5px;
  }
  .admin-calendar-day__num {
    font-size: 12px;
  }
}

.admin-date-heading {
  font-size: 14px;
  color: var(--color-green-700);
  margin: 24px 0 8px;
}

.admin-table-wrap {
  overflow-x: auto;
  margin-bottom: 8px;
}

.admin-table {
  width: 100%;
  min-width: 600px;
  border-collapse: collapse;
  font-size: 13px;
}

.admin-table th, .admin-table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--color-border);
  text-align: left;
  vertical-align: top;
  white-space: nowrap;
}

.admin-table th {
  color: var(--color-text-muted);
  font-weight: 500;
  font-size: 12px;
}

.admin-table tr.is-cancelled {
  opacity: 0.5;
}

.admin-table__note {
  max-width: 220px;
  font-size: 12.5px;
  white-space: normal;
}

.admin-table__note details summary {
  cursor: pointer;
  color: var(--color-green-700);
}

.admin-inline-form {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 6px;
}

.admin-inline-form--row {
  flex-direction: row;
  align-items: center;
  margin-bottom: 16px;
}

.admin-empty {
  color: var(--color-text-muted);
  font-size: 13.5px;
}

.badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 700;
  border: 1px solid var(--color-border);
  white-space: nowrap;
  flex-shrink: 0;
}

.badge--confirmed {
  border-color: var(--color-success);
  color: var(--color-success);
}

.badge--cancelled {
  border-color: var(--color-danger);
  color: var(--color-danger);
}

.badge--web {
  border-color: var(--color-gold);
  color: var(--color-gold);
}

.badge--phone {
  border-color: var(--color-text-muted);
  color: var(--color-text-muted);
}

.admin-menu-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 12px 16px;
  margin-bottom: 12px;
  background: var(--color-surface-soft);
}

.admin-menu-item summary {
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.admin-menu-item__name {
  font-weight: 700;
  font-size: 14px;
}

.admin-menu-item__meta {
  color: var(--color-text-muted);
  font-size: 12.5px;
}

.admin-menu-item form.admin-form--grid {
  margin-top: 16px;
}

.admin-closed-dates {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.admin-closed-dates li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  background: var(--color-surface-soft);
  border-radius: 8px;
  padding: 8px 12px;
}

.notice {
  border-radius: 8px;
  padding: 12px 16px;
  font-size: 13.5px;
  margin-bottom: 20px;
}

.notice--success {
  background: rgba(47, 125, 104, 0.1);
  border: 1px solid var(--color-success);
  color: var(--color-success);
}

.notice--error {
  background: rgba(192, 69, 60, 0.1);
  border: 1px solid var(--color-danger);
  color: var(--color-danger);
}

.notice--info {
  background: rgba(198, 154, 75, 0.12);
  border: 1px solid var(--color-gold);
  color: #8a6620;
}

/* --- ログインページ --- */
.admin-login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
}

.admin-login-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px;
  width: 320px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  text-align: center;
}

.admin-login-card h1 {
  font-size: 17px;
  margin: 0 0 8px;
}

.admin-login-card__hint {
  font-size: 11.5px;
  color: var(--color-text-muted);
}

@media (max-width: 780px) {
  .admin-shell {
    flex-direction: column;
  }
  .admin-nav {
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
    padding: 16px 16px 12px;
  }
  .admin-nav__brand {
    text-align: center;
  }
  .admin-nav nav {
    flex-direction: row;
    flex-wrap: nowrap;
    overflow-x: auto;
    gap: 6px;
    padding-bottom: 2px;
  }
  .admin-nav__link {
    flex-shrink: 0;
    white-space: nowrap;
    padding: 8px 12px;
  }
  .admin-nav__foot {
    display: none;
  }
  .admin-main {
    padding: 20px;
  }
  .admin-stats {
    grid-template-columns: repeat(2, 1fr);
  }
}