:root {
  --primary: #b5433f;      /* 和風の朱色 */
  --primary-dark: #8f312e;
  --bg: #faf6f1;           /* 和紙っぽいベージュ */
  --card-bg: #ffffff;
  --text: #2e2620;
  --border: #e5ddd2;
  --muted: #8a7f70;
}

* { box-sizing: border-box; }

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

.app-header {
  background: var(--primary);
  color: white;
  padding: 24px 16px;
  text-align: center;
}

.app-header h1 { margin: 0 0 4px 0; font-size: 1.5rem; }
.subtitle { margin: 0; opacity: 0.9; font-size: 0.9rem; }

.back-link {
  display: inline-block;
  margin-top: 10px;
  color: white;
  opacity: 0.9;
  font-size: 0.82rem;
  text-decoration: underline;
}

.container { max-width: 640px; margin: 0 auto; padding: 16px; }

.card {
  background: var(--card-bg);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 16px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

.card h2 {
  margin-top: 0;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

.data-panel { border: 1px solid #e0c9a6; background: #fffaf0; }
.data-explain { font-size: 0.82rem; color: var(--muted); line-height: 1.6; margin: 6px 0 10px 0; }
.data-status { font-size: 0.82rem; font-weight: bold; color: var(--primary-dark); margin: 0 0 10px 0; }

.due-panel { border: 1px solid #f0c9c7; background: #fff6f5; }
.due-item .customer-summary { cursor: pointer; }
.sub-line.overdue { color: var(--primary-dark); font-weight: bold; }

.quick-edit-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
  margin: 8px 0;
}

.quick-edit-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  font-weight: bold;
  margin: 0;
}

.quick-edit {
  width: auto;
  padding: 5px 8px;
  font-size: 0.82rem;
  font-weight: normal;
}

.form-row { margin-bottom: 14px; border: none; padding: 0; }

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.form-row label, fieldset legend {
  display: block;
  font-size: 0.85rem;
  margin-bottom: 4px;
  font-weight: bold;
}

.required { color: var(--primary); font-weight: normal; font-size: 0.75rem; }

input, textarea, select {
  width: 100%;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 1rem;
  font-family: inherit;
  background: white;
}

input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--primary);
}

.checklist {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  margin-bottom: 8px;
  font-weight: normal;
  font-size: 0.9rem;
}

.checklist label {
  display: flex;
  align-items: center;
  gap: 4px;
  font-weight: normal;
}

.checklist input[type=checkbox] { width: auto; }

.form-buttons {
  display: flex;
  gap: 10px;
}

.btn-primary, .btn-secondary, .btn-danger {
  border: none;
  padding: 12px 18px;
  border-radius: 8px;
  font-size: 1rem;
  cursor: pointer;
}

.btn-primary { background: var(--primary); color: white; flex: 1; }
.btn-primary:hover { background: var(--primary-dark); }

.btn-secondary { background: var(--border); color: var(--text); }
.btn-secondary:hover { background: #d8cebd; }

.btn-danger { background: #fbe4e2; color: var(--primary-dark); }
.btn-danger:hover { background: #f5c9c5; }

.btn-small { padding: 6px 12px; font-size: 0.8rem; }

.search-box { margin-bottom: 16px; }
.search-box input { background: var(--card-bg); }

.badge {
  background: var(--border);
  color: var(--text);
  font-size: 0.75rem;
  padding: 2px 10px;
  border-radius: 999px;
  font-weight: normal;
}

.customer-list { display: flex; flex-direction: column; gap: 10px; }

.customer-card {
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}

.customer-summary {
  padding: 12px 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
}

.customer-summary:hover { background: #fbf8f4; }

.customer-info h3 { margin: 0 0 4px 0; font-size: 1rem; }

.sub-line { margin: 0; font-size: 0.82rem; color: var(--muted); }

.toggle-arrow { color: var(--muted); font-size: 0.8rem; }

.customer-detail {
  padding: 0 14px 14px 14px;
  border-top: 1px dashed var(--border);
}

.customer-detail p { margin: 6px 0; font-size: 0.85rem; }

.detail-buttons {
  display: flex;
  gap: 8px;
  margin-top: 12px;
}

.visit-section {
  margin-top: 14px;
  background: var(--bg);
  border-radius: 8px;
  padding: 10px 12px;
}

.visit-section h4 { margin: 0 0 8px 0; font-size: 0.85rem; }

.visit-list { list-style: none; padding: 0; margin: 0 0 10px 0; }

.visit-list li {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  padding: 4px 0;
  border-bottom: 1px solid var(--border);
}

.visit-note { color: var(--muted); }

.mini-delete {
  margin-left: auto;
  background: none;
  border: none;
  color: #bbb;
  cursor: pointer;
  font-size: 0.9rem;
}
.mini-delete:hover { color: var(--primary); }

.visit-form {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.visit-form .visit-date { flex: 0 0 140px; }
.visit-form .visit-note { flex: 1 1 160px; }

.contact-form { display: flex; gap: 6px; flex-wrap: wrap; }
.contact-form .contact-date { flex: 0 0 140px; }
.contact-form .contact-method,
.contact-form .contact-response { flex: 1 1 110px; }

.empty-message { color: #999; text-align: center; padding: 24px 0; font-size: 0.9rem; }

@media (max-width: 480px) {
  .form-grid { grid-template-columns: 1fr; }
}