/* バブルリング会員マッチング 共通スタイル（スマホ前提・シンプル） */
:root {
  --blue: #1d84db;
  --blue-dark: #006ad5;
  --blue-light: #e8f4fd;
  --ink: #243447;
  --gray: #6b7a8d;
  --line: #d7e3ee;
  --bg: #f4f8fb;
  --warn-bg: #fff4e0;
  --warn-line: #f0b429;
  --ok: #1a9e6b;
  --ng: #c05555;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Noto Sans JP", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.7;
  font-size: 16px;
}
header.site {
  background: linear-gradient(135deg, #00a3d9, var(--blue-dark));
  color: #fff;
  padding: 18px 16px 14px;
}
header.site .brand { font-size: 13px; letter-spacing: .12em; opacity: .85; }
header.site h1 { margin: 2px 0 0; font-size: 21px; font-weight: 700; }
header.site p { margin: 6px 0 0; font-size: 13px; opacity: .9; }
main { max-width: 720px; margin: 0 auto; padding: 16px 14px 48px; }
.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px;
  margin: 0 0 14px;
}
.card h2 { font-size: 17px; margin: 0 0 10px; color: var(--blue-dark); }
.card h3 { font-size: 15px; margin: 14px 0 6px; }
.btn {
  display: inline-block;
  border: none;
  border-radius: 999px;
  padding: 11px 22px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  text-align: center;
}
.btn-primary { background: var(--blue); color: #fff; }
.btn-primary:disabled { background: #a9c8e2; cursor: default; }
.btn-sub { background: #fff; color: var(--blue-dark); border: 2px solid var(--blue); }
.btn-ghost { background: #eef3f8; color: var(--ink); }
.btn-join { background: var(--ok); color: #fff; }
.btn-decline { background: #fff; color: var(--ng); border: 2px solid #e0b4b4; }
.btn-small { padding: 6px 14px; font-size: 13px; }
.btn-block { display: block; width: 100%; margin: 8px 0; }
label.f { display: block; font-size: 14px; font-weight: 700; margin: 14px 0 4px; }
label.f .req { color: var(--ng); font-size: 12px; margin-left: 4px; }
input[type="text"], input[type="date"], input[type="time"], input[type="number"],
input[type="email"], input[type="password"], input[type="tel"],
select, textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  font-size: 16px;
  background: #fff;
  color: var(--ink);
}
textarea { min-height: 76px; }
.radio-row { display: flex; gap: 8px; flex-wrap: wrap; margin: 6px 0 2px; }
.radio-row label {
  border: 2px solid var(--line);
  border-radius: 999px;
  padding: 8px 16px;
  font-size: 15px;
  cursor: pointer;
  background: #fff;
}
.radio-row input { display: none; }
.radio-row label.on { border-color: var(--blue); background: var(--blue-light); font-weight: 700; }
.badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  border-radius: 999px;
  padding: 2px 10px;
  vertical-align: middle;
}
.badge-user { background: #e3f2fd; color: #0d5aa6; }
.badge-vol { background: #e6f6ee; color: #117a4d; }
.badge-donor { background: #fdf3e3; color: #9a6a12; }
.badge-matched { background: var(--ok); color: #fff; }
.badge-unmatched { background: var(--warn-bg); color: #8a5d00; border: 1px solid var(--warn-line); }
.muted { color: var(--gray); font-size: 13px; }
.session-item, .member-item, .match-item {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px 14px;
  margin: 0 0 10px;
  background: #fff;
}
.session-item .ttl { font-weight: 700; font-size: 16px; }
.pick { cursor: pointer; }
.pick.sel { border-color: var(--blue); background: var(--blue-light); box-shadow: 0 0 0 2px var(--blue) inset; }
.pick.done { opacity: .55; }
.alert-warn {
  background: var(--warn-bg);
  border: 1px solid var(--warn-line);
  border-radius: 12px;
  padding: 12px 14px;
  margin: 0 0 14px;
  font-size: 14px;
}
.alert-ok {
  background: #e6f6ee;
  border: 1px solid #9fd8bd;
  border-radius: 12px;
  padding: 12px 14px;
  margin: 0 0 14px;
  font-size: 14px;
}
.urlbox {
  word-break: break-all;
  background: var(--blue-light);
  border: 1px dashed var(--blue);
  border-radius: 10px;
  padding: 12px;
  font-size: 14px;
  margin: 8px 0;
}
.counts { display: flex; gap: 10px; }
.counts .cnt {
  flex: 1;
  background: var(--blue-light);
  border-radius: 12px;
  text-align: center;
  padding: 10px 4px;
}
.counts .cnt .num { font-size: 24px; font-weight: 700; color: var(--blue-dark); }
.counts .cnt .lbl { font-size: 12px; color: var(--gray); }
footer.site { text-align: center; color: var(--gray); font-size: 12px; padding: 10px 16px 30px; }
.entry-btns { display: flex; gap: 8px; margin-top: 8px; }
.entry-btns .btn { flex: 1; }
.state-join { color: var(--ok); font-weight: 700; }
.state-decline { color: var(--ng); font-weight: 700; }
.state-none { color: var(--gray); }
details summary { cursor: pointer; font-weight: 700; color: var(--blue-dark); }
table.mini { width: 100%; border-collapse: collapse; font-size: 14px; }
table.mini td { padding: 4px 6px; border-bottom: 1px solid var(--line); vertical-align: top; }
table.mini td.k { width: 34%; color: var(--gray); }

/* ---- v2 追加 ---- */
.formerr { color: var(--ng); font-size: 14px; min-height: 1em; }
.check-grid { display: flex; flex-wrap: wrap; gap: 6px 14px; margin: 4px 0 6px; }
.check-grid label {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 14px; background: #f7fafc; border: 1px solid var(--line);
  border-radius: 999px; padding: 5px 12px; cursor: pointer;
}
.check-grid input { width: 16px; height: 16px; }
.radio-row.small label { padding: 6px 14px; font-size: 14px; }

.chip {
  display: inline-block; font-size: 12px; font-weight: 700;
  border-radius: 999px; padding: 2px 10px; vertical-align: middle;
}
.chip-open { background: #e3f2fd; color: #0d5aa6; }
.chip-matched { background: var(--ok); color: #fff; }
.chip-cancelled { background: #eee; color: var(--gray); }

.req-item {
  border: 1px solid var(--line); border-radius: 12px;
  padding: 12px 14px; margin: 0 0 12px; background: #fff;
}
.req-item .ttl { font-weight: 700; font-size: 16px; }
.req-item h3 { font-size: 14px; margin: 12px 0 6px; }
.req-item input[type="text"] { margin: 6px 0; }

.notif-badge {
  display: inline-block; background: #d64545; color: #fff;
  font-size: 12px; font-weight: 700; border-radius: 999px;
  padding: 1px 9px; vertical-align: middle;
}
.notif-item {
  border-bottom: 1px solid var(--line);
  padding: 9px 4px; cursor: pointer;
}
.notif-item:last-child { border-bottom: none; }
.notif-item .notif-ttl { font-weight: 700; font-size: 15px; }
.notif-item.unread .notif-ttl { color: var(--blue-dark); }
.notif-item .dot {
  display: inline-block; width: 8px; height: 8px; border-radius: 50%;
  background: #d64545; margin-right: 6px; vertical-align: middle;
}
.notif-item .notif-body { font-size: 14px; color: var(--ink); }
.notif-item:not(.unread) .notif-ttl, .notif-item:not(.unread) .notif-body { color: var(--gray); }

.caution-box {
  background: #fffaf0; border: 1px solid var(--warn-line);
  border-radius: 12px; padding: 12px 14px; margin-top: 10px;
}
.caution-box h3 { margin: 0 0 8px; font-size: 14px; color: #8a5d00; }

.tabs { display: flex; gap: 8px; margin: 0 0 14px; }
.tabs button {
  flex: 1; border: 2px solid var(--line); background: #fff; color: var(--ink);
  border-radius: 999px; padding: 9px 10px; font-size: 15px; font-weight: 700; cursor: pointer;
}
.tabs button.on { border-color: var(--blue); background: var(--blue-light); color: var(--blue-dark); }
.member-card .badge { margin-right: 4px; }

.note-box {
  border-top: 1px dashed var(--line); margin-top: 12px; padding-top: 10px;
}
.note-box h3 { margin: 0 0 6px; font-size: 14px; }
.note-box .pre-note, .note-box .post-note {
  background: var(--blue-light); border-radius: 10px; padding: 8px 10px; margin: 6px 0;
  white-space: pre-wrap; word-break: break-word;
}
.day-flow {
  background: var(--bg); border-radius: 10px; padding: 8px 10px; margin-top: 10px;
}
.day-flow h3 { margin: 0 0 4px; font-size: 14px; }