:root {
  color-scheme: light;
  --bg: #f5f6f8;
  --panel: #ffffff;
  --border: #d7dbe0;
  --text: #222;
  --muted: #666;
  --accent: #2f6fed;
  --ok: #2e9e4f;
  --ok-bg: #e5f6ea;
  --ng: #d64545;
  --ng-bg: #fceaea;
  --gray-bg: #eceef1;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", "Meiryo", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 24px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}

.app-header h1 { font-size: 18px; margin: 0; }

.month-picker { display: flex; align-items: center; gap: 8px; font-size: 14px; }

.tabs {
  display: flex;
  gap: 4px;
  padding: 8px 24px 0;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}

.tab-btn {
  border: 1px solid var(--border);
  border-bottom: none;
  background: var(--gray-bg);
  padding: 10px 16px;
  border-radius: 8px 8px 0 0;
  cursor: pointer;
  font-size: 14px;
  color: var(--muted);
}

.tab-btn.active {
  background: var(--panel);
  color: var(--accent);
  font-weight: bold;
}

main { max-width: 1100px; margin: 0 auto; padding: 24px; }

.tab-panel { display: none; background: var(--panel); border: 1px solid var(--border); border-radius: 0 8px 8px 8px; padding: 24px; }
.tab-panel.active { display: block; }

h2 { font-size: 15px; margin: 24px 0 8px; border-left: 4px solid var(--accent); padding-left: 8px; }
h2:first-child { margin-top: 0; }

.hint { color: var(--muted); font-size: 13px; margin: 4px 0 12px; }

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px 24px;
}

.form-grid label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--muted); }

input[type=text], input[type=number], input[type=date], input[type=month], input[type=time], select {
  padding: 6px 8px;
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 14px;
  font-family: inherit;
}

.btn-primary, .btn-secondary {
  border: none;
  border-radius: 6px;
  padding: 8px 18px;
  font-size: 14px;
  cursor: pointer;
}

.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: #2559c4; }

.btn-secondary { background: var(--gray-bg); color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover { background: #dfe2e6; }

.saved-flag { margin-left: 12px; color: var(--ok); font-size: 13px; }

.editable-table {
  border-collapse: collapse;
  width: 100%;
  font-size: 13px;
}

.editable-table th, .editable-table td {
  border: 1px solid var(--border);
  padding: 6px 8px;
  text-align: center;
}

.editable-table th { background: var(--gray-bg); font-weight: 600; }

.table-scroll { overflow-x: auto; border: 1px solid var(--border); border-radius: 6px; }

.grid-table { min-width: 100%; }
.grid-table th, .grid-table td { white-space: nowrap; padding: 4px; }
.grid-table td.name-cell, .grid-table th.name-col { background: #fff; text-align: left; min-width: 130px; }
.grid-table th.name-col { background: var(--gray-bg); }
.grid-table th.name-col { background: var(--gray-bg); z-index: 2; }

.day-cell select, .day-cell input[type=time] { display: block; margin: 0 auto 2px; }
.day-cell select:last-child, .day-cell input[type=time]:last-child { margin-bottom: 0; }
.day-cell select { font-size: 11px; padding: 2px; }
.day-cell input[type=time] { width: 78px; font-size: 11px; padding: 2px; }
.day-cell.weekend { background: #fafbe8; }

.import-log { margin-top: 8px; font-size: 13px; }
.import-log .log-ok { color: var(--ok); }
.import-log .log-err { color: var(--ng); }
.import-log ul { margin: 4px 0; padding-left: 20px; }

#calendarWrap {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 6px;
  margin-top: 16px;
}

.cal-dow { text-align: center; font-size: 12px; color: var(--muted); padding: 4px; }

.cal-day {
  border: 1px solid var(--border);
  border-radius: 6px;
  min-height: 64px;
  padding: 6px;
  cursor: pointer;
  background: var(--gray-bg);
}

.cal-day.empty { visibility: hidden; }
.cal-day .cal-date { font-size: 12px; color: var(--muted); }
.cal-day .cal-badge { display: inline-block; margin-top: 6px; font-size: 12px; padding: 2px 8px; border-radius: 10px; }

.cal-day.ok { background: var(--ok-bg); }
.cal-day.ok .cal-badge { background: var(--ok); color: #fff; }

.cal-day.ng { background: var(--ng-bg); }
.cal-day.ng .cal-badge { background: var(--ng); color: #fff; }

.cal-day.nodata .cal-badge { background: #bbb; color: #fff; }

.cal-day.selected { outline: 2px solid var(--accent); }

.cal-badge-break {
  display: inline-block;
  margin-top: 4px;
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 10px;
  box-sizing: border-box;
}
.cal-badge-break.ok { background: var(--ok-bg); color: var(--ok); border: 1px solid var(--ok); }
.cal-badge-break.ng { background: var(--ng-bg); color: var(--ng); border: 1px solid var(--ng); }

.day-detail { margin-top: 20px; }
.day-detail table { border-collapse: collapse; width: 100%; font-size: 13px; }
.day-detail th, .day-detail td { border: 1px solid var(--border); padding: 6px 10px; text-align: center; }
.day-detail th { background: var(--gray-bg); }
.day-detail tr.ng td { background: var(--ng-bg); }

/* ===== サンプルデータ ===== */
.sample-box {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 12px 14px;
  background: #fbfcfd;
  margin-bottom: 8px;
}
.sample-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}
.sample-row:last-of-type { margin-bottom: 0; }
.sample-label {
  display: inline-block;
  min-width: 8.5em;
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
}
.sample-note { font-size: 12.5px; color: var(--muted); }

/* ===== 案内（note・メルマガ・カスタマイズ相談） ===== */
.tab-btn-sub { margin-left: auto; font-size: 13px; }

.cta-box {
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent);
  border-radius: 6px;
  background: #f7f9fd;
  padding: 14px 16px;
  margin-top: 16px;
}
.cta-box + .cta-box { margin-top: 12px; }
.cta-box h4 { margin: 0 0 6px; font-size: 14px; }
.cta-box p { margin: 0 0 10px; font-size: 13px; color: var(--muted); line-height: 1.75; }
.cta-box p:last-child { margin-bottom: 0; }
.cta-actions { display: flex; flex-wrap: wrap; gap: 10px; }

.cta-link {
  display: inline-block;
  padding: 7px 16px;
  border-radius: 6px;
  font-size: 13px;
  text-decoration: none;
  border: 1px solid var(--accent);
  color: var(--accent);
  background: #fff;
}
.cta-link:hover { background: var(--accent); color: #fff; }
.cta-link.primary { background: var(--accent); color: #fff; }
.cta-link.primary:hover { background: #2559c4; }

.import-log .log-hint {
  color: var(--text);
  background: #f7f9fd;
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 4px;
  padding: 8px 10px;
  margin-top: 6px;
  font-size: 12.5px;
  line-height: 1.7;
}
.import-log .log-hint a { color: var(--accent); }

.app-footer {
  max-width: 1100px;
  margin: 8px auto 28px;
  padding: 14px 24px 0;
  border-top: 1px solid var(--border);
  font-size: 12.5px;
  color: var(--muted);
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  align-items: center;
}
.app-footer a { color: var(--muted); }
.app-footer a:hover { color: var(--accent); }

/* ===== はじめに（初回の入口） ===== */
.start-hero { max-width: 760px; }
.start-lead { color: var(--accent); font-size: 13px; margin: 0 0 8px; font-weight: 600; }
.start-title { font-size: 26px; margin: 0 0 14px; line-height: 1.45; }
.start-desc { font-size: 14px; color: var(--muted); line-height: 1.9; margin: 0 0 22px; }

.start-steps { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 24px; }
.start-step {
  flex: 1 1 210px;
  display: flex; align-items: center; gap: 10px;
  border: 1px solid var(--border); border-radius: 6px;
  padding: 12px 14px; font-size: 13px; background: #fbfcfd;
}
.start-step-no {
  flex: none;
  width: 24px; height: 24px; border-radius: 50%;
  background: var(--accent); color: #fff;
  font-size: 13px; display: flex; align-items: center; justify-content: center;
}

.start-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 16px; }
.btn-lg { padding: 12px 26px; font-size: 15px; }
.start-note { font-size: 12.5px; color: var(--muted); line-height: 1.8; margin: 0; }