/* スケサン スタイル */
:root {
  --accent: #0d9488;
  --accent-dark: #0f766e;
  --accent-pale: #ccfbf1;
  --bg: #f4f7f6;
  --card: #ffffff;
  --text: #1f2937;
  --muted: #6b7280;
  --border: #e5e7eb;
  --ok: #0d9488;
  --maybe: #d97706;
  --ng: #dc2626;
  --danger: #dc2626;
  --radius: 14px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN",
    "Hiragino Sans", "Noto Sans JP", Meiryo, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  background: var(--card);
  border-bottom: 1px solid var(--border);
}
.logo-wrap {
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
}
.logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--accent-dark);
  text-decoration: none;
}
.tagline {
  font-size: 0.75rem;
  color: var(--muted);
  font-weight: 600;
}

.container {
  max-width: 760px;
  margin: 0 auto;
  padding: 20px 14px 60px;
}

.hero { text-align: center; padding: 18px 0 10px; }
.hero h1 { margin: 0 0 6px; font-size: 1.5rem; }
.hero p { margin: 0; color: var(--muted); }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  margin: 18px 0;
}
.card h2 { margin: 0 0 12px; font-size: 1.1rem; }
.card.center { text-align: center; }

/* ---- フォーム ---- */
.field { margin-bottom: 18px; }
.field > label {
  display: block;
  font-weight: 600;
  margin-bottom: 6px;
}
.req {
  font-size: 0.7rem;
  color: #fff;
  background: var(--danger);
  border-radius: 4px;
  padding: 1px 6px;
  vertical-align: 2px;
}
.hint { color: var(--muted); font-size: 0.85rem; font-weight: normal; }

input[type="text"],
input[type="time"],
textarea {
  width: 100%;
  padding: 10px 12px;
  font-size: 1rem;
  font-family: inherit;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
  color: var(--text);
}
input[type="text"]:focus,
input[type="time"]:focus,
textarea:focus {
  outline: 2px solid var(--accent);
  outline-offset: -1px;
  border-color: var(--accent);
}
input[type="time"] { width: auto; padding: 6px 8px; }

.btn {
  display: inline-block;
  padding: 10px 18px;
  font-size: 1rem;
  font-family: inherit;
  font-weight: 600;
  border: 1px solid transparent;
  border-radius: 8px;
  cursor: pointer;
  text-decoration: none;
  text-align: center;
  transition: filter 0.15s;
}
.btn:hover { filter: brightness(1.05); }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); }
.btn-ghost {
  background: transparent;
  color: var(--accent-dark);
  border-color: var(--border);
}
.btn-danger { background: #fff; color: var(--danger); border-color: var(--danger); }
.btn-lg { width: 100%; padding: 14px; font-size: 1.05rem; }
.btn-sm { padding: 6px 12px; font-size: 0.85rem; }

.form-actions { display: flex; gap: 10px; align-items: center; }
.form-actions .btn-lg { flex: 1; width: auto; }

.alert {
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: var(--danger);
  border-radius: 8px;
  padding: 10px 14px;
  margin: 14px 0;
}
.toast {
  background: var(--accent-pale);
  border: 1px solid var(--accent);
  color: var(--accent-dark);
  border-radius: 8px;
  padding: 10px 14px;
  margin: 14px 0;
  font-weight: 600;
}

/* ---- モード選択 ---- */
.mode-select { display: flex; gap: 10px; flex-wrap: wrap; }
.mode-option { flex: 1; min-width: 180px; cursor: pointer; }
.mode-option input { display: none; }
.mode-box {
  display: block;
  border: 2px solid var(--border);
  border-radius: 10px;
  padding: 10px 14px;
}
.mode-box small { display: block; color: var(--muted); }
.mode-option input:checked + .mode-box {
  border-color: var(--accent);
  background: var(--accent-pale);
}

/* ---- カレンダー ---- */
.calendar {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px;
  max-width: 380px;
}
.cal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}
.cal-label { font-weight: 700; }
.cal-nav {
  border: 1px solid var(--border);
  background: #fff;
  border-radius: 8px;
  width: 34px;
  height: 34px;
  font-size: 1.1rem;
  cursor: pointer;
}
.cal-nav:disabled { opacity: 0.3; cursor: default; }
.cal-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 3px;
}
.cal-wd {
  text-align: center;
  font-size: 0.75rem;
  color: var(--muted);
  padding: 2px 0;
}
.cal-day {
  aspect-ratio: 1;
  border: 1px solid transparent;
  background: transparent;
  border-radius: 8px;
  font-size: 0.95rem;
  font-family: inherit;
  color: var(--text);
  cursor: pointer;
}
.cal-day:hover:not(:disabled):not(.selected) { background: var(--accent-pale); }
.cal-day:disabled { color: #d1d5db; cursor: default; }
.cal-day.today { border-color: var(--accent); }
.cal-day.selected {
  background: var(--accent);
  color: #fff;
  font-weight: 700;
}
.cal-day.sun:not(.selected):not(:disabled), .cal-wd.sun { color: var(--ng); }
.cal-day.sat:not(.selected):not(:disabled), .cal-wd.sat { color: #2563eb; }

.chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: var(--accent-pale);
  color: var(--accent-dark);
  border-radius: 999px;
  padding: 3px 6px 3px 12px;
  font-size: 0.9rem;
  font-weight: 600;
}
.chip-x {
  border: none;
  background: transparent;
  color: var(--accent-dark);
  cursor: pointer;
  font-size: 0.8rem;
  padding: 2px 4px;
}

/* ---- 使い方 ---- */
.howto ol { margin: 0; padding-left: 1.4em; }
.howto li { margin: 6px 0; }

/* ---- イベントページ ---- */
.event-head h1 { margin: 0 0 8px; font-size: 1.4rem; display: inline; margin-right: 10px; }
.badge {
  display: inline-block;
  background: var(--accent-pale);
  color: var(--accent-dark);
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: 999px;
  padding: 2px 12px;
  vertical-align: 3px;
}
.memo { margin: 10px 0 0; color: var(--muted); white-space: pre-line; }
.expiry {
  margin: 12px 0 0;
  font-size: 0.85rem;
  color: var(--muted);
  background: var(--bg);
  border-radius: 8px;
  padding: 6px 12px;
}
.expiry strong { color: var(--accent-dark); }
.expiry-soon { background: #fef2f2; color: var(--danger); }
.expiry-soon strong { color: var(--danger); }

.share-new { border-color: var(--accent); background: #f0fdfa; }
.share-row { display: flex; gap: 8px; }
.share-url {
  flex: 1;
  font-size: 0.9rem;
  color: var(--muted);
  background: var(--bg);
}
.share-row .btn { white-space: nowrap; }

/* ---- おすすめ候補 ---- */
.ranking { list-style: none; margin: 0; padding: 0; }
.rank-item {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 10px;
  margin-bottom: 6px;
  flex-wrap: wrap;
}
.rank-1 { background: #fffbeb; border: 1px solid #fde68a; }
.rank-2, .rank-3 { background: var(--bg); }
.rank-no { font-size: 1.3rem; }
.rank-date { font-weight: 700; font-size: 1.05rem; }
.rank-detail strong { color: var(--accent-dark); }

/* ---- 回答テーブル ---- */
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.result-table {
  border-collapse: collapse;
  width: 100%;
  min-width: 420px;
}
.result-table th, .result-table td {
  border: 1px solid var(--border);
  padding: 8px 10px;
  text-align: center;
  white-space: nowrap;
  font-size: 0.92rem;
}
.result-table thead th { background: var(--bg); }
.result-table .col-date { text-align: left; font-weight: 600; }
.result-table .col-count { font-size: 0.8rem; color: var(--muted); }
.col-person a { color: var(--accent-dark); text-decoration: none; }
.col-person a:hover { text-decoration: underline; }
.best-row { background: #fffbeb; }
.best-badge {
  background: #f59e0b;
  color: #fff;
  font-size: 0.68rem;
  border-radius: 4px;
  padding: 1px 6px;
  margin-left: 4px;
  vertical-align: 1px;
}
.mark { font-size: 1.15rem; font-weight: 700; }
.ans-ok .mark { color: var(--ok); }
.ans-maybe .mark { color: var(--maybe); }
.ans-ng .mark { color: var(--ng); }
.ans-none .mark { color: #d1d5db; }
.time-note { display: block; color: var(--muted); font-size: 0.72rem; }

.comments { margin-top: 16px; border-top: 1px dashed var(--border); padding-top: 12px; }
.comments h3 { margin: 0 0 8px; font-size: 0.95rem; }
.comments p { margin: 4px 0; font-size: 0.92rem; }

/* ---- 回答フォーム ---- */
.entry-table { border-collapse: collapse; width: 100%; }
.entry-table th, .entry-table td {
  border-bottom: 1px solid var(--border);
  padding: 10px 8px;
  text-align: left;
  vertical-align: middle;
}
.entry-table th { white-space: nowrap; font-size: 0.95rem; }
.choice-cell { white-space: nowrap; }
.choice { display: inline-block; cursor: pointer; margin-right: 4px; }
.choice input { display: none; }
.choice span {
  display: inline-block;
  width: 44px;
  height: 44px;
  line-height: 42px;
  text-align: center;
  border: 2px solid var(--border);
  border-radius: 10px;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--muted);
  user-select: none;
}
.choice input:checked + span { color: #fff; }
.choice-ok input:checked + span { background: var(--ok); border-color: var(--ok); }
.choice-maybe input:checked + span { background: var(--maybe); border-color: var(--maybe); }
.choice-ng input:checked + span { background: var(--ng); border-color: var(--ng); }

.time-cell { white-space: nowrap; }
.time-cell input:disabled { opacity: 0.4; }
.tilde { color: var(--muted); }

.delete-form { margin-top: 14px; text-align: right; }

.site-footer {
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
  padding: 20px 0 30px;
}

@media (max-width: 560px) {
  .card { padding: 16px; }
  .entry-table th { display: block; border-bottom: none; padding-bottom: 0; }
  .entry-table td { display: inline-block; border-bottom: none; }
  .entry-table tr { display: block; border-bottom: 1px solid var(--border); padding: 6px 0; }
  .form-actions { flex-direction: column; }
  .form-actions .btn { width: 100%; }
}