/* 進捗ボード — Material Design 3 の色を基準に、業務画面として読みやすさを優先 */
:root {
  --surface: #ffffff;
  --container: #f8f9fa;
  --container-low: #f3f3f3;
  --container-high: #e8eaed;
  --text: #1f1f1f;
  --text-variant: #444746;
  --muted: #5f6368;
  --outline: #747775;
  --outline-variant: #c4c7c5;
  --primary: #1a73e8;
  --primary-soft: #e8f0fe;
  --primary-strong: #0b57d0;
  --error: #d93025;
  --error-soft: #fce8e6;
  --success: #1e8e3e;
  --success-soft: #e6f4ea;
  --warning: #b06000;
  --warning-soft: #fef7e0;
  --meeting: #8430ce;
  --meeting-soft: #f3e8fd;
  --radius: 12px;
  --shadow-1: 0 1px 2px 0 rgba(60,64,67,.3), 0 1px 3px 1px rgba(60,64,67,.15);
  --shadow-2: 0 1px 2px 0 rgba(60,64,67,.3), 0 2px 6px 2px rgba(60,64,67,.15);
  font-family: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Yu Gothic UI", "Meiryo", system-ui, sans-serif;
  color: var(--text);
  font-size: 14px;
  line-height: 1.6;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--container); }
[hidden] { display: none !important; }
h1, h2, h3 { margin: 0; line-height: 1.3; }
button, input, select, textarea { font: inherit; color: inherit; }
.muted { color: var(--muted); }
.error { color: var(--error); min-height: 1.6em; margin: 0; }
:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }

/* ---------- ボタン ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 40px; padding: 0 16px; border-radius: 20px; border: 1px solid var(--outline-variant);
  background: var(--surface); cursor: pointer; font-weight: 600; white-space: nowrap;
}
.btn:hover { background: var(--container-low); }
.btn.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn.primary:hover { background: var(--primary-strong); }
.btn.danger { color: var(--error); border-color: var(--error); }
.btn.ghost { border-color: transparent; background: transparent; }
.btn.small { min-height: 32px; padding: 0 12px; font-size: 13px; }
.btn:disabled { opacity: .5; cursor: default; }
.icon-btn {
  width: 40px; height: 40px; border-radius: 20px; border: none; background: transparent;
  font-size: 24px; line-height: 1; cursor: pointer; color: var(--text-variant);
}
.icon-btn:hover { background: var(--container-high); }

/* ---------- ログイン ---------- */
.login { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login-card {
  width: min(400px, 100%); background: var(--surface); border-radius: 16px; padding: 40px 32px;
  box-shadow: var(--shadow-2); display: grid; gap: 16px;
}
.login-card h1 { font-size: 28px; font-weight: 800; }
.login-card p { margin: 0; }
label { display: grid; gap: 4px; font-size: 13px; font-weight: 600; color: var(--text-variant); }
input, select, textarea {
  width: 100%; min-height: 40px; padding: 8px 12px; border: 1px solid var(--outline);
  border-radius: 8px; background: var(--surface); font-weight: 400; color: var(--text);
}
textarea { min-height: 80px; resize: vertical; }
input[type=checkbox] { width: auto; min-height: 0; }

/* ---------- 上部バー ---------- */
.topbar {
  position: sticky; top: 0; z-index: 10; display: flex; align-items: center; gap: 24px;
  padding: 8px 24px; background: var(--surface); border-bottom: 1px solid var(--outline-variant);
}
.brand { display: flex; align-items: center; gap: 8px; font-weight: 800; font-size: 16px; min-width: 0; }
.brand-mark { display: block; width: 24px; height: 24px; border-radius: 6px; background: linear-gradient(135deg, var(--primary), #34a853); flex: none; }
.nav { display: flex; gap: 4px; flex: 1; min-width: 0; overflow-x: auto; }
.nav a {
  padding: 8px 16px; border-radius: 20px; text-decoration: none; color: var(--text-variant);
  font-weight: 600; white-space: nowrap; position: relative;
}
.nav a:hover { background: var(--container-low); }
.nav a.active { background: var(--primary-soft); color: var(--primary-strong); }
.nav .count {
  display: inline-block; min-width: 20px; padding: 0 6px; margin-left: 4px; border-radius: 10px;
  background: var(--error); color: #fff; font-size: 11px; text-align: center; line-height: 18px;
}
.me { display: flex; align-items: center; gap: 8px; white-space: nowrap; }

.view { padding: 24px; max-width: 1440px; margin: 0 auto; }
.page-head { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; margin-bottom: 16px; }
.page-head h1 { font-size: 24px; font-weight: 800; margin-right: auto; }
.seg { display: inline-flex; border: 1px solid var(--outline-variant); border-radius: 20px; overflow: hidden; }
.seg button { border: none; background: var(--surface); padding: 6px 16px; cursor: pointer; font-weight: 600; }
.seg button.on { background: var(--primary-soft); color: var(--primary-strong); }

/* ---------- カレンダー ---------- */
.cal-layout { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 24px; align-items: start; }
.cal { background: var(--surface); border-radius: var(--radius); box-shadow: var(--shadow-1); overflow: hidden; }
.cal-dow, .cal-grid { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); }
.cal-dow div { padding: 8px; font-size: 12px; font-weight: 700; color: var(--muted); text-align: center; border-bottom: 1px solid var(--outline-variant); }
.cal-dow div:first-child { color: var(--error); }
.cal-dow div:last-child { color: var(--primary); }
.cal-day {
  min-height: 128px; padding: 4px; border-right: 1px solid var(--container-high);
  border-bottom: 1px solid var(--container-high); display: flex; flex-direction: column; gap: 4px; min-width: 0;
}
.cal-day:nth-child(7n) { border-right: none; }
.cal-day.other { background: var(--container); }
.cal-day.other .daynum { color: var(--outline); }
.daynum { font-size: 12px; font-weight: 700; color: var(--text-variant); padding: 2px 4px; }
.cal-day.today .daynum { background: var(--primary); color: #fff; border-radius: 12px; align-self: flex-start; padding: 2px 8px; }
.cal-grid.week .cal-day { min-height: 360px; }

/* カード（カレンダー内は小さく） */
.card {
  display: block; width: 100%; text-align: left; border: none; border-radius: 8px; padding: 4px 8px;
  cursor: pointer; font-size: 12px; line-height: 1.4; min-width: 0;
}
.card .t { display: block; font-weight: 700; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.card .s { display: block; color: var(--text-variant); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.card.meeting { background: var(--meeting-soft); border-left: 4px solid var(--meeting); }
.card.meeting .t { white-space: normal; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.card.task { background: var(--surface); border: 1px solid var(--outline-variant); border-left: 4px solid var(--outline); }
.card.task.todo { border-left-color: var(--outline); }
.card.task.doing { border-left-color: var(--primary); }
.card.task.review { border-left-color: var(--warning); background: var(--warning-soft); }
.card.task.done { border-left-color: var(--success); opacity: .65; }
.card.task.done .t { text-decoration: line-through; }
.card.task.overdue { border-color: var(--error); border-left-color: var(--error); background: var(--error-soft); }
.card:hover { filter: brightness(.97); }

.side h2 { font-size: 15px; font-weight: 800; margin-bottom: 8px; }
.side .panel { background: var(--surface); border-radius: var(--radius); box-shadow: var(--shadow-1); padding: 16px; display: grid; gap: 8px; }
.side .panel + .panel { margin-top: 16px; }
.legend { display: flex; flex-wrap: wrap; gap: 8px 16px; font-size: 12px; color: var(--text-variant); }
.legend span::before { content: ""; display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 4px; vertical-align: -1px; background: var(--c); }
.lg-meeting { --c: var(--meeting); } .lg-todo { --c: var(--outline); } .lg-doing { --c: var(--primary); }
.lg-review { --c: var(--warning); } .lg-done { --c: var(--success); } .lg-overdue { --c: var(--error); }
.note.lead { margin: 0 0 16px; }
.pw { font-size: 20px; letter-spacing: .08em; font-feature-settings: "tnum"; }
form.review-item { margin-top: 16px; }

/* 大きいカード（一覧・詳細用） */
.tcard {
  background: var(--surface); border-radius: var(--radius); border: 1px solid var(--outline-variant);
  padding: 16px; display: grid; gap: 8px; cursor: pointer; text-align: left; width: 100%;
}
.tcard:hover { box-shadow: var(--shadow-1); }
.tcard h3 { font-size: 15px; font-weight: 700; }
.tcard .meta { display: flex; flex-wrap: wrap; gap: 8px; font-size: 12px; color: var(--text-variant); }
.chip {
  display: inline-flex; align-items: center; border-radius: 16px; padding: 2px 10px; font-size: 12px;
  font-weight: 700; background: var(--container-high); color: var(--text-variant); white-space: nowrap;
}
.chip.todo { background: var(--container-high); }
.chip.doing { background: var(--primary-soft); color: var(--primary-strong); }
.chip.review { background: var(--warning-soft); color: var(--warning); }
.chip.done { background: var(--success-soft); color: var(--success); }
.chip.overdue { background: var(--error-soft); color: var(--error); }
.chip.stalled { background: var(--warning-soft); color: var(--warning); }
.chip.meeting { background: var(--meeting-soft); color: var(--meeting); }
.chip.draft { background: #fde7f3; color: #a50e5f; }

/* タスクの列（状態ごと） */
.board { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; align-items: start; }
.col { background: var(--container-low); border-radius: var(--radius); padding: 12px; display: grid; gap: 8px; }
.col h2 { font-size: 14px; font-weight: 800; display: flex; justify-content: space-between; }

/* 取引先別 */
.party-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 16px; }
.party { background: var(--surface); border-radius: var(--radius); box-shadow: var(--shadow-1); padding: 20px; display: grid; gap: 12px; align-content: start; }
.party h2 { font-size: 18px; font-weight: 800; }
.stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
.stat { background: var(--container); border-radius: 8px; padding: 8px; text-align: center; }
.stat b { display: block; font-size: 28px; font-weight: 800; line-height: 1.1; font-feature-settings: "tnum"; }
.stat span { font-size: 11px; color: var(--muted); }
.stat.bad b { color: var(--error); }
.stat.warn b { color: var(--warning); }
.mini-list { display: grid; gap: 4px; }
.mini-list .card { font-size: 13px; padding: 6px 10px; }

/* ---------- 詳細パネル ---------- */
.drawer { position: fixed; inset: 0; z-index: 50; }
.drawer-backdrop { position: absolute; inset: 0; background: rgba(32,33,36,.4); }
.drawer-panel {
  position: absolute; top: 0; right: 0; bottom: 0; width: min(640px, 100%); background: var(--surface);
  box-shadow: var(--shadow-2); display: flex; flex-direction: column;
}
.drawer-head { display: flex; align-items: flex-start; gap: 8px; padding: 16px 16px 8px 24px; border-bottom: 1px solid var(--container-high); }
.drawer-head h2 { flex: 1; font-size: 20px; font-weight: 800; padding-top: 6px; overflow-wrap: anywhere; }
.drawer-body { flex: 1; overflow-y: auto; padding: 16px 24px 48px; display: grid; gap: 24px; align-content: start; }
.sec h3 { font-size: 13px; font-weight: 800; color: var(--muted); margin-bottom: 8px; letter-spacing: .04em; }
.sec ul { margin: 0; padding-left: 20px; display: grid; gap: 4px; }
.sec p { margin: 0; white-space: pre-wrap; overflow-wrap: anywhere; }
.kv { display: grid; grid-template-columns: 88px minmax(0, 1fr); gap: 8px 16px; font-size: 13px; }
.kv dt { color: var(--muted); font-weight: 700; }
.kv dd { margin: 0; overflow-wrap: anywhere; }
.status-buttons { display: flex; flex-wrap: wrap; gap: 8px; }
.status-buttons .btn.on { background: var(--primary); color: #fff; border-color: var(--primary); }
.comment { background: var(--container); border-radius: 8px; padding: 8px 12px; }
.comment.internal { background: var(--warning-soft); }
.comment .who { font-size: 12px; color: var(--muted); display: flex; gap: 8px; }
.comment p { margin: 4px 0 0; white-space: pre-wrap; overflow-wrap: anywhere; }
.form { display: grid; gap: 12px; }
.form .row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.checks { display: flex; flex-wrap: wrap; gap: 8px 16px; font-weight: 400; }
.checks label { display: inline-flex; align-items: center; gap: 6px; font-weight: 400; color: var(--text); }
.actions { display: flex; flex-wrap: wrap; gap: 8px; }
.note { font-size: 12px; color: var(--muted); margin: 0; }
.banner { background: var(--warning-soft); color: var(--warning); border-radius: 8px; padding: 8px 12px; font-size: 13px; font-weight: 600; }

/* 確認待ち */
.review-item { background: var(--surface); border-radius: var(--radius); box-shadow: var(--shadow-1); padding: 20px; display: grid; gap: 12px; }
.review-item + .review-item { margin-top: 16px; }
table.list { width: 100%; border-collapse: collapse; background: var(--surface); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-1); }
table.list th { background: var(--container-high); text-align: left; padding: 8px 12px; font-size: 12px; }
table.list td { padding: 8px 12px; border-top: 1px solid var(--container-high); vertical-align: top; }
.empty { padding: 32px; text-align: center; color: var(--muted); background: var(--surface); border-radius: var(--radius); }

.toast {
  position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%); z-index: 60;
  background: #303134; color: #fff; padding: 12px 20px; border-radius: 8px; box-shadow: var(--shadow-2);
  max-width: calc(100% - 32px);
}

/* 予定一覧（スマホ・週の縦表示） */
.agenda { display: grid; gap: 12px; }
.agenda-day { background: var(--surface); border-radius: var(--radius); padding: 12px; box-shadow: var(--shadow-1); display: grid; gap: 8px; }
.agenda-day h3 { font-size: 14px; font-weight: 800; }
.agenda-day.today h3 { color: var(--primary); }
.agenda .card { font-size: 14px; padding: 8px 12px; }
.agenda .card .t, .agenda .card .s { white-space: normal; }

@media (max-width: 960px) {
  .cal-layout { grid-template-columns: minmax(0, 1fr); }
  .board { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 700px) {
  .topbar { flex-wrap: wrap; gap: 8px; padding: 8px 16px; }
  .nav { order: 3; flex-basis: 100%; }
  .me { margin-left: auto; }
  #me-name { display: none; }
  .view { padding: 16px; }
  .board { grid-template-columns: minmax(0, 1fr); }
  .form .row { grid-template-columns: minmax(0, 1fr); }
  .drawer-body { padding: 16px 16px 48px; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; } }

table.list td textarea { margin-top: 4px; min-height: 64px; font-size: 13px; }
table.list td:first-child { width: 50%; }