:root {
  /* 管理画面デザインv2の色（nagaoka-portal の設計書 §3.1） */
  --bg: #ffffff;
  --panel: #ffffff;
  --ink: #2c2417;
  --muted: #6b5d4a;
  --line: #e2dccf;
  --accent: #248a69;
  --danger: #c0392b;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Zen Kaku Gothic New", system-ui, -apple-system, "Hiragino Sans", "Noto Sans JP", sans-serif;
  font-weight: 500;
  letter-spacing: .02em;
  line-height: 1.7;
}

.app-header {
  position: sticky; top: 0; z-index: 10;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
  padding: 0.75rem 1rem 0;
}

.app-header h1 { margin: 0; font-size: 1.05rem; }

.header-top {
  display: flex; align-items: center; justify-content: space-between; gap: 0.5rem;
  margin-bottom: 0.5rem;
}

main { max-width: 1080px; margin: 0 auto; padding: 1rem; }

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.9rem;
  margin-bottom: 0.75rem;
}

.card h3 { margin: 0 0 0.25rem; font-size: 15px; font-weight: 700; }

.meta { color: var(--muted); font-size: 0.85rem; }

label { display: block; margin-bottom: 0.75rem; font-size: 0.9rem; color: var(--muted); }

input, select, textarea {
  width: 100%;
  padding: 0.6rem;
  margin-top: 0.25rem;
  border: 1.5px solid #cfc6b6;
  border-radius: 12px;
  font: inherit;
  background: var(--panel);
  color: var(--ink);
}

/* 人数欄は現場で押しやすいよう大きめに */
.counts { display: flex; gap: 0.75rem; }
.counts label { flex: 1; }
.counts input { font-size: 1.25rem; text-align: center; }

/* 新規作成画面で「＋」で参加者名・団体名の欄を増やせる部分 */
.repeat-field { margin-bottom: 0.5rem; }
.repeat-field > label { margin-bottom: 0.4rem; }
.repeat-row { display: flex; flex-wrap: wrap; gap: 0.4rem; align-items: center; margin-bottom: 0.4rem; }
.repeat-row input, .repeat-row select { margin-top: 0; }
.repeat-row .remove-row { flex-shrink: 0; padding: 0.5rem 0.7rem; }
.repeat-row .area-select { flex: 1 1 9rem; }
.repeat-row .area-other { flex: 1 1 9rem; }
.repeat-row .area-count { max-width: 5rem; flex-shrink: 0; }
.add-row-btn { margin-bottom: 1rem; }

button {
  padding: 0.6rem 1.2rem;
  border: 2px solid var(--ink);
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  box-shadow: 0 3px 0 #1c6e52;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}
button:active { transform: translateY(2px); box-shadow: 0 1px 0 #1c6e52; }

/* 副ボタンはミントの塗り、削除は淡い赤の塗り（線と影は主ボタンだけ） */
button.secondary { background: #e4f3eb; color: #1c6e52; border: 2px solid transparent; box-shadow: none; }
button.secondary:active { background: #bfe3cf; transform: none; box-shadow: none; }
button.danger { background: #fdeceb; color: #a93226; border-color: transparent; box-shadow: none; }
button.danger:active { background: #f3c9c4; transform: none; box-shadow: none; }
.calendar-visit { box-shadow: none; }
.calendar-visit:active { transform: none; box-shadow: none; }

/* ナビのタブ・メニューは共通デザインのボタンの見た目を使う（上の button の指定をかぶせない） */
.nav-toptabs button, .nav-drawer button, .nav-header button, .cross-sidebar button { box-shadow: none; }
.nav-toptabs .ca-tab { padding: 0 16px; border: 2px solid #e2dccf; border-radius: 999px; background: #fff; color: var(--muted); font-size: 12.5px; }
.nav-toptabs .ca-tab.is-active { background: var(--accent); border-color: var(--ink); color: #fff; }
.nav-round-btn { padding: 0; border: 2px solid var(--ink); background: #fff; color: var(--ink); box-shadow: 0 3px 0 #1c6e52 !important; }
.nav-drawer-row { padding: 10px 14px; border: 2px solid transparent; background: none; color: #fff; font-weight: 700; }
.nav-drawer-row.active { background: #fff; border-color: var(--ink); color: var(--ink); }

.errors { color: var(--danger); font-size: 0.9rem; }

a { color: #1c6e52; font-weight: 700; }

.toast {
  position: fixed; left: 50%; bottom: 1.5rem; transform: translateX(-50%);
  background: var(--ink); color: #fff;
  padding: 0.6rem 1rem; border-radius: 999px; font-size: 0.9rem;
}

@media (min-width: 720px) {
  main { padding: 1.5rem; }
}

.big { font-size: 24px; font-weight: 900; margin: 0.25rem 0; font-variant-numeric: tabular-nums; }

/* 実績画面：年の切り替え・期間指定 */
.stats-range-nav { display: flex; align-items: center; gap: 0.6rem; margin-bottom: 0.6rem; flex-wrap: wrap; }
.stats-range-nav button { padding: 0.35rem 0.7rem; }
.stats-range-label { font-weight: 600; min-width: 5em; text-align: center; }
.stats-range-nav #toggle-custom { margin-left: auto; }
.stats-range-form { display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap; margin-bottom: 0.75rem; }
.stats-range-form input { width: auto; margin-top: 0; }

table { width: 100%; border-collapse: collapse; font-size: 0.95rem; }

table th {
  text-align: left; font-weight: 700; color: #1c6e52;
  padding: 0.35rem 0; border-bottom: 1px solid var(--line);
}

table td {
  text-align: right; padding: 0.35rem 0;
  border-bottom: 1px solid var(--line); font-variant-numeric: tabular-nums;
}

.attendee-list { list-style: none; margin: 0 0 0.75rem; padding: 0; }

.attendee-list li {
  display: flex; align-items: center; gap: 0.5rem;
  padding: 0.4rem 0; border-bottom: 1px solid var(--line);
}

.attendee-list li button { margin-left: auto; padding: 0.3rem 0.7rem; font-size: 0.85rem; }

/* 編集画面の上に置く、一覧へ戻るボタン */
.back-btn { display: block; margin-bottom: 0.75rem; }

/* 「見学を記録する」ボタンとカレンダーの間の余白 */
#new-visit { margin-bottom: 1rem; }

/* 見学一覧のカレンダー表示 */
.calendar-card { padding: 0.75rem; }
.calendar-nav { display: flex; align-items: center; justify-content: center; gap: 1rem; margin-bottom: 0.6rem; }
.calendar-nav button { padding: 0.35rem 0.7rem; }
.calendar-title { font-weight: 600; min-width: 7em; text-align: center; }
.calendar-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 2px; }
.calendar-weekday {
  text-align: center; font-size: 0.75rem; color: var(--muted); padding-bottom: 0.3rem;
}
.calendar-day {
  min-height: 4.5rem; border: 1px solid var(--line); border-radius: 6px;
  padding: 0.2rem; display: flex; flex-direction: column; gap: 2px; overflow: hidden;
}
.calendar-day-empty { border-color: transparent; }
.calendar-today { border-color: var(--accent); border-width: 2px; }
.calendar-daynum { font-size: 0.75rem; color: var(--muted); text-align: right; padding-right: 2px; }
.calendar-visit {
  display: block; width: 100%; text-align: left;
  background: #e4f3eb; color: #1c6e52;
  border: 0; border-radius: 4px; padding: 1px 4px;
  font-size: 0.65rem; line-height: 1.3;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

/* カレンダーの下の簡潔な一覧 */
.visit-list { margin-bottom: 0.5rem; }
.visit-row {
  display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem;
  padding: 0.5rem 0; border-bottom: 1px solid var(--line);
}
.visit-row-date { color: var(--muted); font-size: 0.85rem; flex-shrink: 0; }
.visit-row-title { font-weight: 600; }
.visit-row button { margin-left: auto; padding: 0.3rem 0.7rem; font-size: 0.85rem; }

.pagination {
  display: flex; align-items: center; justify-content: center; gap: 1rem; margin: 0.75rem 0 1.5rem;
}
.pagination button:disabled { opacity: 0.4; cursor: default; }

@media (min-width: 480px) {
  .calendar-visit { font-size: 0.7rem; }
}