hp-archive: 予定一覧にカレンダーと絞り込みを追加

- 今後の予定ページにカレンダーとカテゴリ絞り込みを追加
- 審議会等・イベントの各表にも絞り込みを反映し、表ごとに
  絞り込み状況と件数を表示
- 市報10月19日号・20日号、市報電子版、市公式Xの新着を追加
- 教育委員会定例会（10月22日）を審議会等の一覧に追加

2 files changed, 526 insertions, 0 deletions

diff --git a/src/components/KodairaNews.astro b/src/components/KodairaNews.astro
index 2826104..4ba2308 100644
--- a/src/components/KodairaNews.astro
+++ b/src/components/KodairaNews.astro
@@ -35,6 +35,39 @@ const LABEL: Record<CatId, string> = {
 
 const posts: Post[] = [
   {
+    date: "10月20日",
+    cat: "other",
+    note: "市報こだいら10月20日号が発行されました（1面は小川パレットのオープン）。電子版も公開されています",
+    links: [
+      { text: "市報こだいら10月20日号（市のX）", url: X("2112332973588500591") },
+      { text: "市報こだいら電子版", url: "https://www.catapoke.com/search/?keyword=%E5%B0%8F%E5%B9%B3%E5%B8%82" },
+    ],
+  },
+  {
+    date: "10月19日",
+    cat: "other",
+    note: "ふるさと納税ポータルサイト「ふるさとチョイス」が使用できないため、当面は窓口または現金書留で受け付け",
+    links: [{ text: "クラウドファンディングの寄附方法の変更", url: X("2112139194940199015") }],
+  },
+  {
+    date: "10月19日",
+    cat: "status",
+    note: "暫定サイトに「市からのお知らせ」「イベント情報」「電子申請一覧」「申請書ダウンロード」などのカテゴリ",
+    links: [{ text: "ホームページの障害状況について", url: X("2112091386333868246") }],
+  },
+  {
+    date: "10月19日",
+    cat: "other",
+    note: "市役所西通り、10月19日・20日の午後10時から午前6時まで夜間通行止め（雨天順延）",
+    links: [{ text: "道路工事情報", url: X("2112015882972971208") }],
+  },
+  {
+    date: "10月18日",
+    cat: "event",
+    note: "あかしあ通りと周辺道路の交通規制は午後4時30分に解除",
+    links: [{ text: "市民まつりは終了しました", url: X("2111717666654507344") }],
+  },
+  {
     date: "10月18日",
     cat: "event",
     note: "午前9時30分から午後4時30分まで",
diff --git a/src/components/ScheduleInteractive.astro b/src/components/ScheduleInteractive.astro
new file mode 100644
index 0000000..5fb058b
--- /dev/null
+++ b/src/components/ScheduleInteractive.astro
@@ -0,0 +1,493 @@
+<script>
+  const CATEGORY_DEFS = [
+    { icon: '👶', label: '子育て' },
+    { icon: '🧓', label: '高齢者・介護' },
+    { icon: '🏥', label: '健康' },
+    { icon: '♿', label: '福祉・相談' },
+    { icon: '🎨', label: '文化・公民館' },
+    { icon: '🏃', label: 'スポーツ' },
+    { icon: '🌳', label: '環境・自然' },
+    { icon: '📚', label: '学習・講演' },
+    { icon: '🤝', label: '交流・地域' },
+  ];
+  const MEETING_ICON = '🏛️';
+  const WEEKDAYS = ['日', '月', '火', '水', '木', '金', '土'];
+  const WEEKDAY_MAP = { 日: 0, 月: 1, 火: 2, 水: 3, 木: 4, 金: 5, 土: 6 };
+
+  const normalizeDigits = (s) =>
+    s.replace(/[０-９]/g, (c) => String.fromCharCode(c.charCodeAt(0) - 0xfee0));
+  const pad2 = (n) => String(n).padStart(2, '0');
+  const toKey = (y, m, d) => `${y}-${pad2(m)}-${pad2(d)}`;
+  const keyToDate = (key) => {
+    const [y, m, d] = key.split('-').map(Number);
+    return new Date(y, m - 1, d);
+  };
+  const escapeHtml = (s) =>
+    s.replace(/[&<>"']/g, (c) => ({ '&': '&amp;', '<': '&lt;', '>': '&gt;', '"': '&quot;', "'": '&#39;' }[c]));
+
+  function applyExclusions(dateSet, raw) {
+    const text = normalizeDigits(raw);
+    const re = /(\d{1,2})月(\d{1,2})日を除く/g;
+    let m;
+    while ((m = re.exec(text)) !== null) {
+      const month = Number(m[1]);
+      const day = Number(m[2]);
+      const year = text.slice(0, m.index).includes('令和9年') ? 2027 : month === 1 ? 2027 : 2026;
+      dateSet.delete(toKey(year, month, day));
+    }
+  }
+
+  // 日付セル・時間セルから YYYY-MM-DD を抽出する。
+  // 期間は、7日以内なら全日、曜日指定があればその曜日、それ以外は開始日と終了日を拾う。
+  function parseDates(raw) {
+    const text = normalizeDigits(raw);
+    const dates = new Set();
+    const add = (y, m, d) => {
+      if (y && m >= 1 && m <= 12 && d >= 1 && d <= 31) dates.add(toKey(y, m, d));
+    };
+    const yearFor = (index, month) => {
+      if (text.slice(0, index).includes('令和9年')) return 2027;
+      return month === 1 ? 2027 : 2026;
+    };
+
+    let m;
+    const rangeRe = /(\d{1,2})月(\d{1,2})日[^〜]*〜\s*(?:(\d{1,2})月)?(\d{1,2})日/g;
+    while ((m = rangeRe.exec(text)) !== null) {
+      const startMonth = Number(m[1]);
+      const startDay = Number(m[2]);
+      const endMonth = m[3] ? Number(m[3]) : startMonth;
+      const endDay = Number(m[4]);
+      const startYear = yearFor(m.index, startMonth);
+      const endYear = startYear + (endMonth < startMonth ? 1 : 0);
+      const start = new Date(startYear, startMonth - 1, startDay);
+      const end = new Date(endYear, endMonth - 1, endDay);
+      if (end < start) continue;
+
+      const lengthDays = Math.round((end - start) / 86400000) + 1;
+      const after = text.slice(m.index + m[0].length);
+      let weekdays = null;
+
+      const noWeek = after.match(/の([月火水木金土日])曜日/);
+      if (noWeek) {
+        weekdays = [WEEKDAY_MAP[noWeek[1]]];
+      } else {
+        const group = after.match(/（([月火水木金土日](?:・[月火水木金土日])*)）/);
+        const hasStartWeekday = new RegExp(`${startMonth}月${startDay}日（[月火水木金土日]`).test(text);
+        if (group && (group[1].includes('・') || !hasStartWeekday)) {
+          weekdays = group[1].split('・').map((w) => WEEKDAY_MAP[w]);
+        } else {
+          const startWeek = text.match(new RegExp(`${startMonth}月${startDay}日（([月火水木金土日])`));
+          const endWeek = text.match(new RegExp(`(?:${endMonth}月)?${endDay}日（([月火水木金土日])`));
+          if (startWeek && endWeek && startWeek[1] === endWeek[1]) {
+            weekdays = [WEEKDAY_MAP[startWeek[1]]];
+          }
+        }
+      }
+
+      if (lengthDays <= 7 || (!weekdays && lengthDays <= 14)) {
+        for (let d = new Date(start); d <= end; d.setDate(d.getDate() + 1)) {
+          add(d.getFullYear(), d.getMonth() + 1, d.getDate());
+        }
+      } else if (weekdays) {
+        for (let d = new Date(start); d <= end; d.setDate(d.getDate() + 1)) {
+          if (weekdays.includes(d.getDay())) add(d.getFullYear(), d.getMonth() + 1, d.getDate());
+        }
+      } else {
+        add(start.getFullYear(), start.getMonth() + 1, start.getDate());
+        add(end.getFullYear(), end.getMonth() + 1, end.getDate());
+      }
+    }
+
+    const fullDates = [];
+    const fullRe = /(\d{1,2})月(\d{1,2})日/g;
+    while ((m = fullRe.exec(text)) !== null) {
+      const month = Number(m[1]);
+      const day = Number(m[2]);
+      fullDates.push({ index: m.index, month });
+      add(yearFor(m.index, month), month, day);
+    }
+
+    const bareRe = /(\d{1,2})日/g;
+    while ((m = bareRe.exec(text)) !== null) {
+      const index = m.index;
+      if (index > 0 && text[index - 1] === '月') continue;
+      let previous = null;
+      for (const fd of fullDates) {
+        if (fd.index < index) previous = fd;
+        else break;
+      }
+      if (!previous) continue;
+      const day = Number(m[1]);
+      add(yearFor(index, previous.month), previous.month, day);
+    }
+
+    // 「（11月4日を除く）」などの除外日を反映する。
+    applyExclusions(dates, text);
+
+    return [...dates].sort();
+  }
+
+  function initSchedule() {
+    const calendarEl = document.getElementById('schedule-calendar');
+    const detailsEl = document.getElementById('schedule-day-details');
+    const filtersEl = document.getElementById('event-filters');
+    const meetingsTable = document.querySelector('#meetings-table table');
+    const eventsTable = document.querySelector('#events-table table');
+    if (!calendarEl || !detailsEl || !filtersEl || !meetingsTable || !eventsTable) return;
+    if (calendarEl.dataset.initialized === 'true') return;
+    calendarEl.dataset.initialized = 'true';
+
+    const entries = [];
+
+    function collect(table, type) {
+      table.querySelectorAll('tbody tr').forEach((row, i) => {
+        const cells = row.querySelectorAll('td');
+        if (cells.length < 3) return;
+        const dateText = cells[0].textContent.trim();
+        const name = cells[1].textContent.trim();
+        const timeText = cells[2].textContent.trim();
+        const rowId = `${type}-row-${i}`;
+        row.id = rowId;
+
+        let category = MEETING_ICON;
+        let categoryLabel = '審議会等';
+        const cat = CATEGORY_DEFS.find((c) => name.startsWith(c.icon));
+        if (cat) {
+          category = cat.icon;
+          categoryLabel = cat.label;
+        } else if (type === 'event') {
+          category = '🤝';
+          categoryLabel = '交流・地域';
+        }
+        row.dataset.category = category;
+
+        const dates = new Set(parseDates(dateText));
+        // 審議会の「毎月1回（11月12日、…も開催）」のように、
+        // 時間・会場欄に追加の開催日が書かれている場合がある。
+        if (type === 'meeting') {
+          for (const key of parseDates(timeText)) dates.add(key);
+        }
+        // イベントの「（11月4日を除く）」を反映する。
+        if (type === 'event') {
+          // 時間欄の「（11月4日を除く）」を日付セル側の集合に反映する。
+          applyExclusions(dates, timeText);
+        }
+
+        entries.push({
+          type,
+          name,
+          time: timeText,
+          dates: [...dates],
+          category,
+          categoryLabel,
+          rowId,
+          dateText,
+        });
+      });
+    }
+
+    collect(meetingsTable, 'meeting');
+    collect(eventsTable, 'event');
+
+    const byDate = new Map();
+    for (const entry of entries) {
+      for (const key of entry.dates) {
+        if (!byDate.has(key)) byDate.set(key, []);
+        byDate.get(key).push(entry);
+      }
+    }
+
+    const dateKeys = [...byDate.keys()].sort();
+    if (dateKeys.length === 0) {
+      calendarEl.innerHTML = '<p>表示できる予定がありません。</p>';
+      return;
+    }
+
+    const months = [...new Set(dateKeys.map((k) => k.slice(0, 7)))].sort();
+    const today = new Date();
+    const todayKey = toKey(today.getFullYear(), today.getMonth() + 1, today.getDate());
+    let selectedDate = byDate.has(todayKey) ? todayKey : dateKeys[0];
+    let currentMonth = selectedDate.slice(0, 7);
+    let activeCategory = 'all';
+
+    function matchesCategory(e) {
+      if (activeCategory === 'all') return true;
+      if (activeCategory === MEETING_ICON) return e.type === 'meeting';
+      return e.category === activeCategory;
+    }
+
+    function visibleEntries(key) {
+      const list = byDate.get(key) || [];
+      return list.filter(matchesCategory);
+    }
+
+    function ensureVisibleSelection() {
+      if (selectedDate && visibleEntries(selectedDate).length > 0) return;
+      // 絞り込みで選択中の日付が空になったら、当月の最初の該当日へ移動する。
+      // 当月に該当日がなければ、最初の該当日へ移動する。
+      const inMonth = dateKeys.filter(
+        (k) => k.startsWith(currentMonth) && visibleEntries(k).length > 0
+      );
+      const any = dateKeys.filter((k) => visibleEntries(k).length > 0);
+      const fallback = inMonth[0] || any[0];
+      if (!fallback) return;
+      selectedDate = fallback;
+      currentMonth = fallback.slice(0, 7);
+    }
+
+    function renderCalendar() {
+      const index = months.indexOf(currentMonth);
+      const [year, month] = currentMonth.split('-').map(Number);
+      const first = new Date(year, month - 1, 1);
+      const startDay = first.getDay();
+      const daysInMonth = new Date(year, month, 0).getDate();
+
+      const cells = [];
+      for (let i = 0; i < startDay; i++) {
+        cells.push('<div class="schedule-cal-day is-blank"></div>');
+      }
+      for (let day = 1; day <= daysInMonth; day++) {
+        const key = toKey(year, month, day);
+        const list = visibleEntries(key);
+        const classes = ['schedule-cal-day'];
+        if (key === todayKey) classes.push('is-today');
+        if (key === selectedDate) classes.push('is-selected');
+
+        if (list.length === 0) {
+          cells.push(
+            `<div class="${classes.join(' ')}"><span class="schedule-cal-daynum">${day}</span></div>`
+          );
+          continue;
+        }
+
+        const categories = [...new Set(list.map((e) => e.category))];
+        const marks = categories
+          .slice(0, 3)
+          .map((icon) => `<span class="schedule-cal-mark">${icon}</span>`)
+          .join('');
+        const more =
+          categories.length > 3
+            ? `<span class="schedule-cal-more">+${categories.length - 3}</span>`
+            : '';
+        const count =
+          list.length > 1 ? `<span class="schedule-cal-count">${list.length}</span>` : '';
+        cells.push(
+          `<button type="button" class="${classes.join(' ')} has-events" data-date="${key}" aria-label="${month}月${day}日、${list.length}件の予定"><span class="schedule-cal-daynum">${day}${count}</span><span class="schedule-cal-marks">${marks}${more}</span></button>`
+        );
+      }
+
+      calendarEl.innerHTML = `
+        <div class="schedule-cal-header">
+          <button type="button" class="schedule-cal-nav" data-dir="-1" aria-label="前の月" ${index <= 0 ? 'disabled' : ''}>‹</button>
+          <div class="schedule-cal-title">${year}年${month}月</div>
+          <button type="button" class="schedule-cal-nav" data-dir="1" aria-label="次の月" ${index >= months.length - 1 ? 'disabled' : ''}>›</button>
+        </div>
+        <div class="schedule-cal-grid">
+          ${WEEKDAYS.map(
+            (w, i) =>
+              `<div class="schedule-cal-weekday${i === 0 ? ' is-sun' : i === 6 ? ' is-sat' : ''}">${w}</div>`
+          ).join('')}
+          ${cells.join('')}
+        </div>
+      `;
+
+      calendarEl.querySelectorAll('.schedule-cal-day[data-date]').forEach((btn) => {
+        btn.addEventListener('click', () => {
+          selectedDate = btn.dataset.date;
+          renderCalendar();
+          showDayDetails(selectedDate);
+        });
+      });
+
+      calendarEl.querySelectorAll('.schedule-cal-nav').forEach((btn) => {
+        btn.addEventListener('click', () => {
+          const next = months.indexOf(currentMonth) + Number(btn.dataset.dir);
+          if (next < 0 || next >= months.length) return;
+          currentMonth = months[next];
+          selectedDate = null;
+          renderCalendar();
+          detailsEl.innerHTML =
+            '<p class="schedule-day-placeholder">日付を選ぶと、その日の予定が表示されます。</p>';
+        });
+      });
+    }
+
+    function showDayDetails(key) {
+      if (!key) return;
+      const date = keyToDate(key);
+      const weekday = WEEKDAYS[date.getDay()];
+      const list = visibleEntries(key)
+        .slice()
+        .sort((a, b) => {
+          if (a.type !== b.type) return a.type === 'meeting' ? -1 : 1;
+          return a.name.localeCompare(b.name, 'ja');
+        });
+      const title = `${date.getMonth() + 1}月${date.getDate()}日（${weekday}）の予定`;
+
+      if (list.length === 0) {
+        detailsEl.innerHTML = `<h3>${title}</h3><p>この日の予定はありません。</p>`;
+        return;
+      }
+
+      const items = list
+        .map((e) => {
+          const displayName = e.name.startsWith(e.category)
+            ? e.name.slice(e.category.length).trim()
+            : e.name;
+          return `<li><a class="schedule-day-link" href="#${e.rowId}"><span class="schedule-day-icon">${e.category}</span>${escapeHtml(displayName)}</a><span class="schedule-day-meta">${escapeHtml(e.time)}</span></li>`;
+        })
+        .join('');
+
+      detailsEl.innerHTML = `<h3>${title}</h3><ul>${items}</ul>`;
+      detailsEl.querySelectorAll('a.schedule-day-link').forEach((a) => {
+        a.addEventListener('click', () => {
+          const row = document.getElementById(a.getAttribute('href').slice(1));
+          if (!row) return;
+          row.classList.add('schedule-row-highlight');
+          window.setTimeout(() => row.classList.remove('schedule-row-highlight'), 3000);
+        });
+      });
+    }
+
+    const meetingEntries = entries.filter((e) => e.type === 'meeting');
+    const eventEntries = entries.filter((e) => e.type === 'event');
+    const counts = {};
+    for (const e of entries) {
+      counts[e.category] = (counts[e.category] || 0) + 1;
+    }
+
+    function categoryLabel(category) {
+      if (category === MEETING_ICON) return '審議会等';
+      const def = CATEGORY_DEFS.find((c) => c.icon === category);
+      return def ? def.label : '交流・地域';
+    }
+
+    function ensureStatus(container, type) {
+      const id = `${type}-filter-status`;
+      let status = document.getElementById(id);
+      if (!status) {
+        status = document.createElement('div');
+        status.id = id;
+        status.className = 'schedule-table-status';
+        status.setAttribute('role', 'status');
+        status.setAttribute('aria-live', 'polite');
+        container.parentElement.insertBefore(status, container);
+      }
+      return status;
+    }
+
+    const meetingStatus = ensureStatus(meetingsTable.parentElement, 'meeting');
+    const eventStatus = ensureStatus(eventsTable.parentElement, 'event');
+
+    function updateTableStatus(status, type, total, visible) {
+      const tableLabel = type === 'meeting' ? '審議会等' : 'イベント';
+      const filtered = activeCategory !== 'all';
+      status.classList.toggle('is-filtered', filtered);
+      const text = filtered
+        ? `${tableLabel}：「${activeCategory} ${categoryLabel(activeCategory)}」で絞り込み中：${visible}件／全${total}件`
+        : `${tableLabel}：全${total}件を表示しています（絞り込みなし）`;
+      status.innerHTML = `<span class="schedule-table-status-text">${text}</span>`;
+      if (filtered) {
+        const clear = document.createElement('button');
+        clear.type = 'button';
+        clear.className = 'schedule-table-status-clear';
+        clear.textContent = '絞り込みを解除';
+        clear.addEventListener('click', () => setActiveCategory('all'));
+        status.appendChild(clear);
+      }
+    }
+
+    function updateEmptyMessage(container, id, count, text) {
+      let empty = document.getElementById(id);
+      if (!empty) {
+        empty = document.createElement('p');
+        empty.id = id;
+        empty.className = 'schedule-filter-empty';
+        container.appendChild(empty);
+      }
+      empty.hidden = count > 0;
+      empty.textContent = text;
+    }
+
+    function applyFilter() {
+      const visibleMeetings = meetingEntries.filter(matchesCategory).length;
+      const visibleEvents = eventEntries.filter(matchesCategory).length;
+      for (const e of entries) {
+        const row = document.getElementById(e.rowId);
+        if (row) {
+          const show = matchesCategory(e);
+          row.hidden = !show;
+          row.classList.toggle('is-filtered-out', !show);
+        }
+      }
+      updateTableStatus(meetingStatus, 'meeting', meetingEntries.length, visibleMeetings);
+      updateTableStatus(eventStatus, 'event', eventEntries.length, visibleEvents);
+      updateEmptyMessage(
+        meetingsTable.parentElement,
+        'meeting-filter-empty',
+        visibleMeetings,
+        '該当する審議会等はありません。'
+      );
+      updateEmptyMessage(
+        eventsTable.parentElement,
+        'event-filter-empty',
+        visibleEvents,
+        '該当するイベントはありません。'
+      );
+    }
+
+    function setActiveCategory(category) {
+      activeCategory = category;
+      filtersEl.querySelectorAll('.schedule-filter-btn').forEach((b) => {
+        b.setAttribute('aria-pressed', String(b.dataset.category === activeCategory));
+      });
+      applyFilter();
+      ensureVisibleSelection();
+      renderCalendar();
+      if (selectedDate) showDayDetails(selectedDate);
+    }
+
+    function buildFilters() {
+      const buttonDefs = [
+        { category: 'all', icon: '', label: 'すべて', count: entries.length },
+        {
+          category: MEETING_ICON,
+          icon: MEETING_ICON,
+          label: '審議会等',
+          count: meetingEntries.length,
+        },
+        ...CATEGORY_DEFS.map((c) => ({
+          category: c.icon,
+          icon: c.icon,
+          label: c.label,
+          count: counts[c.icon] || 0,
+        })),
+      ];
+      filtersEl.innerHTML = buttonDefs
+        .map(
+          (b) =>
+            `<button type="button" class="schedule-filter-btn" data-category="${b.category}" aria-pressed="${b.category === activeCategory}">${b.icon ? `${b.icon} ` : ''}${b.label} (${b.count})</button>`
+        )
+        .join('');
+      filtersEl.querySelectorAll('.schedule-filter-btn').forEach((btn) => {
+        btn.addEventListener('click', () => setActiveCategory(btn.dataset.category));
+      });
+    }
+
+    buildFilters();
+    applyFilter();
+    renderCalendar();
+    if (selectedDate) showDayDetails(selectedDate);
+  }
+
+  function boot() {
+    initSchedule();
+  }
+
+  if (document.readyState === 'loading') {
+    document.addEventListener('DOMContentLoaded', boot, { once: true });
+  } else {
+    boot();
+  }
+  document.addEventListener('astro:page-load', boot);
+</script>