.popomee-collab-calendar {
  color-scheme: light;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  color: #24282c;
  background: #fff;
  font-synthesis: none;
  --muted: #596169;
  --border: #cbd0d5;
  --surface: #f5f6f7;
  --selected: #303a43;
}
.popomee-collab-calendar, .popomee-collab-calendar * { box-sizing: border-box; }
.popomee-collab-calendar { margin: 0; line-height: 1.7; }
.popomee-collab-calendar [hidden] { display: none !important; }
.popomee-collab-calendar button, .popomee-collab-calendar input, .popomee-collab-calendar select { font: inherit; color: inherit; }
.popomee-collab-calendar button, .popomee-collab-calendar input, .popomee-collab-calendar select { min-height: 44px; border: 1px solid var(--border); border-radius: 6px; background: #fff; }
.popomee-collab-calendar button { padding: 8px 12px; cursor: pointer; }
.popomee-collab-calendar button:hover { background: var(--surface); }
.popomee-collab-calendar button:disabled { cursor: default; opacity: 0.5; }
.popomee-collab-calendar button:focus-visible, .popomee-collab-calendar input:focus-visible, .popomee-collab-calendar select:focus-visible, .popomee-collab-calendar a:focus-visible, .popomee-collab-calendar summary:focus-visible, .popomee-collab-calendar [tabindex="-1"]:focus-visible { outline: 3px solid #305d84; outline-offset: 3px; }
.popomee-collab-calendar a { color: #24597e; text-underline-offset: 3px; }
.popomee-collab-calendar p { margin: 0 0 8px; }
.popomee-collab-calendar h2, .popomee-collab-calendar h3, .popomee-collab-calendar h4 { border: 0; padding: 0; background: none; line-height: 1.45; overflow-wrap: anywhere; }
.popomee-collab-calendar h2 { font-size: 1.15rem; margin: 0; }
.popomee-collab-calendar h3 { font-size: 1.05rem; margin: 0; }
.popomee-collab-calendar h4 { font-size: 1rem; margin: 0 0 8px; }
.popomee-collab-calendar .calendar-introduction { margin-bottom: 20px; }
.popomee-collab-calendar .calendar-app-navigation { font-size: 0.875rem; }
.popomee-collab-calendar .calendar-lead { color: var(--muted); }
.popomee-collab-calendar .data-update { margin-top: 4px; color: var(--muted); font-size: 0.8125rem; }
.popomee-collab-calendar .service-disclaimer { max-width: 760px; margin-top: 12px; color: var(--muted); font-size: 0.8125rem; }
.popomee-collab-calendar .muted { color: var(--muted); }
.popomee-collab-calendar .notice { padding: 12px; border: 1px solid var(--border); border-radius: 6px; background: var(--surface); font-size: 0.875rem; margin-block: 12px; }
.popomee-collab-calendar fieldset { border: 0; padding: 0; margin: 0 0 16px; min-width: 0; }
.popomee-collab-calendar .control-row, .popomee-collab-calendar .events-heading, .popomee-collab-calendar .dialog-heading, .popomee-collab-calendar .dialog-actions { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px; }
.popomee-collab-calendar .view-switch { display: flex; gap: 8px; }
.popomee-collab-calendar button[aria-pressed="true"] { background: var(--selected); border-color: var(--selected); color: #fff; }
.popomee-collab-calendar .filters { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 12px; margin-block: 14px; }
.popomee-collab-calendar label { display: flex; flex-direction: column; gap: 6px; font-size: 0.875rem; font-weight: 600; min-width: 0; }
.popomee-collab-calendar select, .popomee-collab-calendar input { width: 100%; padding: 8px; font-size: 1rem; font-weight: 400; }
.popomee-collab-calendar .check-label { flex-direction: row; align-items: center; font-weight: 400; min-height: 44px; cursor: pointer; }
.popomee-collab-calendar input[type="checkbox"] { width: 20px; height: 20px; min-height: 20px; flex: 0 0 20px; }
.popomee-collab-calendar .month-navigation { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: center; gap: 8px; }
.popomee-collab-calendar #month-picker { font-weight: 650; }
.popomee-collab-calendar #current-month { grid-column: 2; justify-self: center; }
.popomee-collab-calendar #region-picker { text-align: left; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-weight: 400; }
.popomee-collab-calendar .text-button { color: #24597e; font-size: 0.8125rem; }
.popomee-collab-calendar .secondary-controls { margin-top: 10px; padding-bottom: 14px; border-bottom: 1px solid var(--border); }
.popomee-collab-calendar #announcement { color: var(--muted); font-size: 0.875rem; margin: 16px 0; }
.popomee-collab-calendar #results { display: grid; grid-template-columns: minmax(0, 1fr); gap: 28px; }
.popomee-collab-calendar .calendar-help { font-size: 0.8125rem; margin-block: 10px 14px; }
.popomee-collab-calendar .calendar-legend { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 12px; font-size: 0.8125rem; }
.popomee-collab-calendar .calendar-legend span { padding: 2px 8px; border: 1px solid var(--border); border-radius: 4px; }
.popomee-collab-calendar [data-density="low"] { background: #e6f1fa; }
.popomee-collab-calendar [data-density="medium"] { background: #b5d5ed; }
.popomee-collab-calendar [data-density="high"] { background: #73acd4; }
.popomee-collab-calendar .calendar { width: 100%; border-collapse: collapse; table-layout: fixed; }
.popomee-collab-calendar .calendar th { font-size: 0.875rem; font-weight: 500; padding: 6px 0; }
.popomee-collab-calendar .calendar td { padding: 2px; border: 1px solid var(--border); height: 66px; vertical-align: top; }
.popomee-collab-calendar .calendar td:empty { background: var(--surface); }
.popomee-collab-calendar .day-button { width: 100%; min-height: 80px; padding: 3px 0; border: 1px solid transparent; display: flex; flex-direction: column; align-items: center; gap: 2px; }
.popomee-collab-calendar .calendar [data-density] .day-button:not([aria-pressed="true"]) { background: transparent; }
.popomee-collab-calendar .day-button[aria-pressed="true"] { background: var(--selected); color: #fff; }
.popomee-collab-calendar .day-button:hover { outline: 1px solid var(--selected); outline-offset: -1px; }
.popomee-collab-calendar .day-button[aria-current="date"] { border-color: var(--selected); font-weight: 700; }
.popomee-collab-calendar .day-count { font-size: clamp(0.625rem, 2.6vw, 0.6875rem); line-height: 1.5; white-space: nowrap; }
.popomee-collab-calendar .events-heading { margin-bottom: 12px; }
.popomee-collab-calendar .day-group { margin-top: 24px; }
.popomee-collab-calendar .day-group + .day-group { margin-top: 36px; }
.popomee-collab-calendar .day-group > h2 { margin-bottom: 12px; }
/* 新規一覧の始まりと終わりを、継続一覧とは独立した区画で示します。 */
.popomee-collab-calendar .day-group[data-day-group="new"] { padding: 16px 12px; border: 1px solid #aac7b7; border-radius: 6px; background: #f1f8f4; }
.popomee-collab-calendar .day-group[data-day-group="new"] > h2 { color: #294b3e; }
.popomee-collab-calendar .day-group[data-day-group="new"] > .event-item:last-child { padding-bottom: 0; }
.popomee-collab-calendar .day-group[data-day-group="new"] + .day-group { margin-top: 32px; }
.popomee-collab-calendar .event-item { padding-block: 8px; border-top: 1px solid var(--border); overflow-wrap: anywhere; }
.popomee-collab-calendar .campaign-heading { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 8px; padding: 8px 10px; background: #f8e6dc; border-radius: 6px; }
.popomee-collab-calendar .campaign-hide-toggle { flex-direction: row; align-items: center; gap: 5px; min-height: 36px; padding: 3px 5px; font-size: 0.75rem; font-weight: 500; white-space: nowrap; cursor: pointer; }
.popomee-collab-calendar .campaign-hide-toggle input { width: 18px; height: 18px; min-height: 18px; flex: 0 0 18px; margin: 0; padding: 0; }
.popomee-collab-calendar .hide-icon { flex: 0 0 18px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.popomee-collab-calendar .campaign-detail-toggle { min-height: 40px; padding: 5px 2px; }
.popomee-collab-calendar .campaign-detail-line { display: inline-flex; width: calc(100% - 1.4em); align-items: baseline; justify-content: space-between; gap: 10px; vertical-align: middle; }
.popomee-collab-calendar .campaign-date { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: #24282c; font-size: 0.8125rem; }
.popomee-collab-calendar .campaign-detail-label { flex: 0 0 auto; font-size: 0.8125rem; white-space: nowrap; }
.popomee-collab-calendar .campaign-detail-close { display: none; }
.popomee-collab-calendar .event-item > details[open] .campaign-detail-open { display: none; }
.popomee-collab-calendar .event-item > details[open] .campaign-detail-close { display: inline; }
.popomee-collab-calendar summary { cursor: pointer; min-height: 44px; padding-block: 8px; color: #24597e; font-size: 0.875rem; }
.popomee-collab-calendar .schedule-details { border-top: 1px solid var(--border); margin-top: 12px; padding-top: 14px; font-size: 0.875rem; }
.popomee-collab-calendar .source { margin-top: 12px; }
.popomee-collab-calendar #undated-panel { margin-top: 24px; }
.popomee-collab-calendar #undated-panel h2 { margin-bottom: 12px; }
.popomee-collab-calendar .empty-message { padding: 20px 0; color: var(--muted); }
.popomee-collab-calendar dialog { width: min(560px, calc(100% - 32px)); max-height: calc(100dvh - 40px); padding: 20px; border: 1px solid var(--border); border-radius: 6px; color: inherit; background: #fff; overflow: auto; }
.popomee-collab-calendar dialog::backdrop { background: rgb(0 0 0 / 25%); }
.popomee-collab-calendar .dialog-heading { margin-bottom: 16px; }
.popomee-collab-calendar .dialog-actions { margin-top: 16px; }
.popomee-collab-calendar #region-dialog[open] { display: flex; flex-direction: column; overflow: hidden; }
.popomee-collab-calendar #region-dialog .dialog-heading, .popomee-collab-calendar #region-dialog .dialog-actions { flex-shrink: 0; }
.popomee-collab-calendar .region-dialog-body { min-height: 0; overflow-y: auto; overscroll-behavior: contain; padding-inline: 3px; }
.popomee-collab-calendar #region-dialog .dialog-actions { border-top: 1px solid var(--border); padding-top: 12px; }
.popomee-collab-calendar #apply-regions { background: var(--selected); color: #fff; border-color: var(--selected); }
.popomee-collab-calendar .year-navigation { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: end; gap: 10px; }
.popomee-collab-calendar .month-options { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; margin-top: 16px; }
.popomee-collab-calendar .region-options { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 4px 12px; margin-block: 12px; }
.popomee-collab-calendar .hidden-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding-block: 12px; border-top: 1px solid var(--border); }
.popomee-collab-calendar .hidden-row span { min-width: 0; overflow-wrap: anywhere; }
.popomee-collab-calendar .hidden-row button { flex-shrink: 0; }
.popomee-collab-calendar #hide-notice { position: fixed; z-index: 5; left: 50%; bottom: calc(var(--preview-space, 0px) + 8px); transform: translateX(-50%); width: min(560px, calc(100% - 16px)); display: flex; align-items: center; gap: 10px; padding: 8px 10px; border: 1px solid #91afa0; border-radius: 6px; background: #f1f8f4; }
.popomee-collab-calendar #hide-notice p { min-width: 0; flex: 1; margin: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 0.8125rem; }
.popomee-collab-calendar #undo-hide { min-height: 36px; flex-shrink: 0; padding: 4px 10px; color: #24597e; font-size: 0.8125rem; font-weight: 600; }
.popomee-collab-calendar .calendar-notes { margin-top: 40px; padding-top: 20px; border-top: 1px solid var(--border); color: var(--muted); font-size: 0.8125rem; }
.popomee-collab-calendar .calendar-notes h2 { margin-bottom: 12px; color: #24282c; }
.popomee-collab-calendar .visually-hidden, .popomee-collab-calendar .calendar-skip-link:not(:focus) { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.popomee-collab-calendar .calendar-skip-link:focus { display: block; padding: 12px 16px; }
@media (min-width: 640px) {
  .popomee-collab-calendar .month-navigation { display: flex; }
  .popomee-collab-calendar #month-picker { min-width: 200px; }
  .popomee-collab-calendar #current-month { margin-left: auto; }
  .popomee-collab-calendar .filters { max-width: 640px; }
  .popomee-collab-calendar .day-count { font-size: 0.8125rem; }
  .popomee-collab-calendar .calendar td { height: 76px; }
  .popomee-collab-calendar .day-button { min-height: 72px; }
  .popomee-collab-calendar .region-options { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

/* 月の操作をカレンダーと一覧の閲覧位置から離さないための追従バー。 */
.popomee-collab-calendar .month-navigation { position: sticky; top: 0; z-index: 2; grid-template-columns: 44px minmax(0, 1fr) 44px auto; background: #fff; padding-block: 8px; border-bottom: 1px solid var(--border); gap: 4px; }
.popomee-collab-calendar .month-navigation button { padding: 6px; font-size: 0.875rem; }
.popomee-collab-calendar #current-month { grid-column: auto; justify-self: stretch; }
.popomee-collab-calendar #results { gap: 12px; }
.popomee-collab-calendar .calendar-guide { margin-top: 8px; }
.popomee-collab-calendar .schedule-period { font-weight: 600; text-decoration: underline; text-decoration-color: #718494; text-underline-offset: 4px; text-decoration-thickness: 1px; }
.popomee-collab-calendar .event-item, .popomee-collab-calendar #calendar-panel { scroll-margin-top: 76px; }
/* 期間の補足は本文の高さを変えず、日別プレビューと同じ下部領域に表示します。 */
.popomee-collab-calendar #range-preview { position: fixed; z-index: 3; bottom: 8px; left: 50%; transform: translateX(-50%); width: min(560px, calc(100% - 16px)); height: 72px; display: flex; align-items: center; gap: 10px; border: 1px solid #b9a4b4; border-radius: 6px; padding: 8px 12px; background: #f8f4f8; }
.popomee-collab-calendar #range-preview > div { min-width: 0; flex: 1; }
.popomee-collab-calendar #range-preview p { margin: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.popomee-collab-calendar #range-label { font-size: 0.8125rem; font-weight: 600; }
.popomee-collab-calendar #range-dates { font-size: 0.75rem; color: #674975; }
.popomee-collab-calendar #clear-range { flex-shrink: 0; font-size: 0.8125rem; }
/* 件数の背景色を変えず、選択中の日程だけを下線で示します。 */
.popomee-collab-calendar .range-boundary { font-size: 0.625rem; line-height: 1; }
@media (max-width: 639px) {
  .popomee-collab-calendar .day-button { min-height: 60px; gap: 0; }
  .popomee-collab-calendar .calendar td { height: 64px; }
}
@media (min-width: 640px) {
  .popomee-collab-calendar .month-navigation { display: flex; }
  .popomee-collab-calendar .month-navigation button { padding-inline: 12px; }
}

.popomee-collab-calendar { padding-bottom: var(--preview-space, 0px); }
.popomee-collab-calendar #day-dialog { position: fixed; z-index: 4; bottom: 8px; left: 50%; transform: translateX(-50%); width: min(560px, calc(100% - 16px)); max-height: max(156px, 25dvh); display: flex; flex-direction: column; padding: 8px 12px; border: 1px solid #718494; border-radius: 6px; background: #fff; }
.popomee-collab-calendar .preview-heading { display: flex; align-items: center; justify-content: space-between; gap: 8px; flex-shrink: 0; }
.popomee-collab-calendar .preview-heading h2 { font-size: 0.9375rem; }
.popomee-collab-calendar .preview-heading button { padding: 4px 8px; font-size: 0.8125rem; }
.popomee-collab-calendar #day-preview { min-height: 0; overflow-y: auto; overscroll-behavior: contain; }
.popomee-collab-calendar .preview-title { display: block; width: 100%; min-height: 36px; padding: 5px 0; border: 0; border-bottom: 1px solid var(--border); border-radius: 4px; text-align: left; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; font-size: 0.875rem; color: #24597e; }
.popomee-collab-calendar #show-continuing { flex-shrink: 0; text-align: left; font-size: 0.8125rem; padding: 4px 0; border: 0; }
.popomee-collab-calendar .day-group { scroll-margin-top: 76px; }
/* 白背景の日付ボタンにも線を重ね、重なり順はカレンダー内に限定します。 */
.popomee-collab-calendar #calendar-grid { position: relative; isolation: isolate; }
.popomee-collab-calendar #range-arrows { position: absolute; z-index: 1; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.popomee-collab-calendar #range-arrows path { fill: none; stroke: #855297; stroke-width: 2.5; stroke-linejoin: round; }
.popomee-collab-calendar .day-button.range-day { padding-bottom: 10px; }

/* 暖色の見出しと控えめな補助色で、青い日付マスとの役割を分けます。 */
.popomee-collab-calendar .campaign-heading h3 { color: #563c32; }
.popomee-collab-calendar #month-picker { background: #f2edf4; }
.popomee-collab-calendar .view-switch button[aria-pressed="true"] { background: #dceee6; border-color: #91afa0; color: #294b3e; }
.popomee-collab-calendar #day-dialog { max-height: max(208px, 30dvh); border-color: #b9a4b4; }
.popomee-collab-calendar .preview-heading { background: #f3edf3; border-radius: 4px; padding-inline: 6px; }
.popomee-collab-calendar .preview-heading button { min-height: 36px; }
.popomee-collab-calendar #preview-scroll-area { position: relative; min-height: 0; display: flex; flex: 1 1 auto; }
.popomee-collab-calendar #day-preview { flex: 1; padding-right: 12px; scrollbar-width: thin; scrollbar-color: #866c80 #eee7ed; }
.popomee-collab-calendar #preview-scroll-track { position: absolute; right: 0; top: 0; bottom: 0; width: 5px; background: #eee7ed; border-radius: 4px; pointer-events: none; }
.popomee-collab-calendar #preview-scroll-thumb { position: absolute; width: 5px; background: #866c80; border-radius: 4px; }
.popomee-collab-calendar #preview-scroll-hint { flex-shrink: 0; margin: 0; font-size: 0.6875rem; color: #695165; }
.popomee-collab-calendar #preview-range-label { flex-shrink: 0; margin: 0; font-size: 0.6875rem; color: #674975; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.popomee-collab-calendar .preview-row { display: flex; min-width: 0; gap: 6px; border-bottom: 1px solid #e5dce2; }
.popomee-collab-calendar .preview-title { flex: 1; min-width: 0; min-height: 40px; border: 0; }
.popomee-collab-calendar .preview-range-button { flex: 0 0 44px; min-height: 40px; padding: 4px; font-size: 0.75rem; background: #f3edf3; }
.popomee-collab-calendar .preview-range-button[aria-pressed="true"] { background: #795986; border-color: #795986; }
.popomee-collab-calendar #show-continuing { min-height: 36px; color: #355b4b; }
.popomee-collab-calendar .day-button { position: relative; }
.popomee-collab-calendar .day-button.range-day { padding-bottom: 3px; }
.popomee-collab-calendar .range-boundary { position: absolute; bottom: 5px; right: 2px; font-size: 0.5rem; }