:root {
  --primary: #1665c0;
  --primary-dark: #0d4a8f;
  --green: #1e9e63;
  --green-bg: #e7f6ee;
  --red: #c43d3d;
  --amber: #b07514;
  --amber-bg: #fdf3e0;
  --text: #22303c;
  --text-sub: #5f6f7d;
  --bg: #f2f5f8;
  --card: #ffffff;
  --border: #d8e0e7;
  --radius: 12px;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: "Hiragino Sans", "Noto Sans JP", "Yu Gothic UI", Meiryo, sans-serif;
  background: var(--bg); color: var(--text); line-height: 1.7;
  -webkit-text-size-adjust: 100%;
}
.container { max-width: 640px; margin: 0 auto; padding: 16px; }
.container.wide { max-width: 960px; }
.topbar {
  background: var(--primary); color: #fff; padding: 10px 16px;
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
}
.topbar .title { font-weight: 700; word-break: keep-all; min-width: 0; }
.topbar .sub { font-size: 13px; opacity: .85; }
.topbar a { color: #fff; text-decoration: none; font-size: 14px; }
.topbar .spacer { flex: 1; }
h1, h2, h3 { word-break: keep-all; line-height: 1.4; }
h1 { font-size: 20px; margin: 8px 0; }
h2 { font-size: 17px; margin: 16px 0 8px; }
.card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px; margin: 12px 0;
}
.muted { color: var(--text-sub); font-size: 13px; }
.event-banner {
  display: block; max-width: 100%; max-height: 110px; width: auto;
  margin: 10px auto; border-radius: 10px; object-fit: contain;
}
.error { color: var(--red); font-weight: 600; }
.btn {
  display: inline-block; border: 0; border-radius: 10px; cursor: pointer;
  font-size: 15px; font-weight: 600; padding: 12px 18px; text-decoration: none;
  text-align: center; word-break: keep-all;
  background: var(--primary); color: #fff;
}
.btn:active { background: var(--primary-dark); }
.btn.block { display: block; width: 100%; }
.btn.ghost { background: #fff; color: var(--primary); border: 1px solid var(--primary); }
.btn.danger { background: #fff; color: var(--red); border: 1px solid var(--red); }
.btn.green { background: var(--green); }
.btn.small { font-size: 13px; padding: 8px 12px; border-radius: 8px; }
input[type=text], input[type=password], input[type=search], select {
  width: 100%; font-size: 16px; padding: 12px; border: 1px solid var(--border);
  border-radius: 10px; background: #fff; color: var(--text);
}
label { font-size: 13px; color: var(--text-sub); display: block; margin-bottom: 4px; }
.row { display: flex; gap: 8px; }
.row > * { min-width: 0; flex: 1; }
.searchbox { position: sticky; top: 0; z-index: 5; background: var(--bg); padding: 8px 0; }

.plist { list-style: none; margin: 0; padding: 0; }
.plist .ghead {
  font-size: 13px; font-weight: 700; color: var(--text-sub);
  padding: 10px 4px 4px; word-break: keep-all;
}
.pitem {
  display: flex; align-items: center; gap: 10px; width: 100%;
  background: var(--card); border: 1px solid var(--border); border-radius: 10px;
  padding: 12px; margin: 6px 0; font-size: 16px; cursor: pointer; text-align: left;
}
.pitem .info { flex: 1; min-width: 0; }
.pitem .name { font-weight: 600; }
.pitem .grp { font-size: 12px; color: var(--text-sub); }
.pitem .memo { font-size: 12px; color: var(--amber); }
.pitem .state { font-size: 12px; color: var(--text-sub); white-space: nowrap; }
.pitem.checked { background: var(--green-bg); border-color: #bfe5d0; }
.pitem.checked .state { color: var(--green); font-weight: 700; }

.overlay {
  position: fixed; inset: 0; background: rgba(20,30,40,.5);
  display: flex; align-items: center; justify-content: center; padding: 20px; z-index: 20;
}
.overlay .card { width: 100%; max-width: 420px; margin: 0; }
.hidden { display: none !important; }

.success-screen { text-align: center; padding: 28px 16px; }
.success-screen .mark {
  width: 110px; height: 110px; border-radius: 50%; background: var(--green);
  color: #fff; font-size: 64px; line-height: 110px; margin: 12px auto;
}
.success-screen .who { font-size: 26px; font-weight: 700; word-break: keep-all; }
.success-screen .grp { font-size: 16px; color: var(--text-sub); }
.success-screen .time { font-size: 14px; color: var(--text-sub); margin-top: 4px; }
.notice { background: var(--amber-bg); border: 1px solid #ecd9ae; border-radius: 10px;
  padding: 12px; font-size: 14px; }

.stats { display: flex; gap: 8px; }
.stats .stat {
  flex: 1; min-width: 0; background: var(--card); border: 1px solid var(--border);
  border-radius: 10px; padding: 10px; text-align: center;
}
.stats .num { font-size: 24px; font-weight: 700; }
.stats .lbl { font-size: 12px; color: var(--text-sub); word-break: keep-all; }
.tabs { display: flex; gap: 6px; margin: 10px 0; }
.tabs button {
  flex: 1; min-width: 0; padding: 9px 4px; font-size: 13px; font-weight: 600;
  border: 1px solid var(--border); background: #fff; color: var(--text-sub);
  border-radius: 8px; cursor: pointer; word-break: keep-all;
}
.tabs button.active { background: var(--primary); border-color: var(--primary); color: #fff; }
.badge { display: inline-block; font-size: 12px; font-weight: 700; border-radius: 999px;
  padding: 2px 10px; vertical-align: middle; }
.badge.open { background: var(--green-bg); color: var(--green); }
.badge.closed { background: #eee; color: var(--text-sub); }
.badge.draft { background: var(--amber-bg); color: var(--amber); }

table.sheet { width: 100%; border-collapse: collapse; font-size: 13px; background: #fff; }
table.sheet th, table.sheet td { border: 1px solid var(--border); padding: 6px; text-align: left; }
table.sheet th { background: #eef3f7; word-break: keep-all; }
table.sheet input[type=text] { font-size: 13px; padding: 6px; border-radius: 6px; }
.table-scroll { overflow-x: auto; }
.comment-cell { max-width: 260px; }
.comment-text.clamp {
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.comment-toggle {
  background: none; border: 0; color: var(--primary); font-size: 12px;
  padding: 4px 0 0; cursor: pointer; display: block;
}

/* 狭幅では表をカード表示に変換（td幅不足で所属欄が読めなくなるのを防ぐ） */
@media (max-width: 700px) {
  table.sheet, table.sheet tbody, table.sheet tr, table.sheet td { display: block; width: 100%; }
  table.sheet tr:first-child { display: none; }
  table.sheet tr {
    border: 1px solid var(--border); border-radius: 10px; padding: 10px 12px; margin: 10px 0;
  }
  table.sheet td { border: 0; padding: 5px 0; }
  table.sheet td[data-label]::before {
    content: attr(data-label); display: block; font-size: 12px; font-weight: 700;
    color: var(--text-sub); margin-bottom: 2px;
  }
  table.sheet td:nth-child(1), table.sheet td:nth-child(2), table.sheet td:nth-child(3) {
    display: inline-block; width: auto; vertical-align: middle; padding-top: 0;
  }
  table.sheet td:nth-child(1)::before, table.sheet td:nth-child(2)::before { content: none; }
  table.sheet td:nth-child(3)::before { content: "回答: "; display: inline; margin: 0 0 0 8px; }
  .comment-cell { max-width: none; }
}

.qrbox { text-align: center; }
.qrbox img { max-width: 100%; width: 240px; height: auto; }
.urlbox { display: flex; gap: 8px; align-items: center; }
.urlbox input { flex: 1; min-width: 0; font-size: 13px; }

@media (max-width: 360px) {
  .container { padding: 10px; }
  h1 { font-size: 18px; }
  .success-screen .who { font-size: 22px; }
}