:root {
  --color-bg: #f4f6fb;
  --color-card: #ffffff;
  --color-text: #1f2430;
  --color-muted: #6b7280;
  --color-border: #e3e7f0;
  --color-primary: #2563eb;
  --color-primary-dark: #1d4ed8;
  --color-secondary: #64748b;
  --color-danger: #dc2626;
  --color-yes-bg: #e6f6ec;
  --color-yes-text: #16803c;
  --color-maybe-bg: #fff6e0;
  --color-maybe-text: #a16207;
  --color-no-bg: #fde8e8;
  --color-no-text: #b91c1c;
  --radius: 14px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Kaku Gothic ProN",
    "Hiragino Sans", "Yu Gothic", Meiryo, sans-serif;
  line-height: 1.7;
}

.site-header {
  background: var(--color-card);
  border-bottom: 1px solid var(--color-border);
  padding: 14px 20px;
}
.site-header .brand {
  font-weight: 700;
  font-size: 18px;
  color: var(--color-text);
  text-decoration: none;
}

.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 24px 16px 60px;
}

h1 {
  font-size: 24px;
  margin: 8px 0 6px;
}
h2 {
  font-size: 17px;
  margin: 0 0 14px;
}
.lead, .description {
  color: var(--color-muted);
  margin: 0 0 20px;
}

.card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 20px;
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.04);
}

.card.danger-zone {
  border-color: #f3c8c8;
}

.form-group { margin-bottom: 16px; }
.form-group label {
  display: block;
  font-weight: 600;
  font-size: 14px;
  margin-bottom: 6px;
}
.required {
  color: var(--color-danger);
  font-size: 12px;
  font-weight: 600;
  margin-left: 4px;
}
.hint {
  font-size: 12px;
  color: var(--color-muted);
  margin: 6px 0 0;
}

input[type="text"],
textarea {
  width: 100%;
  padding: 10px 12px;
  font-size: 15px;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  background: #fbfcfe;
  color: var(--color-text);
  font-family: inherit;
}
input[type="text"]:focus,
textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  background: #fff;
}
textarea { resize: vertical; }

.btn {
  display: inline-block;
  border: none;
  border-radius: 10px;
  padding: 11px 22px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
}
.btn-primary {
  background: var(--color-primary);
  color: #fff;
}
.btn-primary:hover { background: var(--color-primary-dark); }
.btn-secondary {
  background: #eef1f8;
  color: var(--color-text);
}
.btn-secondary:hover { background: #e2e6f0; }
.btn-danger {
  background: #fff;
  color: var(--color-danger);
  border: 1px solid var(--color-danger);
}
.btn-danger:hover { background: #fef2f2; }
.btn-small {
  padding: 8px 12px;
  font-size: 13px;
  background: #eef1f8;
  color: var(--color-text);
  border-radius: 8px;
  white-space: nowrap;
}
.btn-small:hover { background: #e2e6f0; }

.flash {
  padding: 12px 16px;
  border-radius: 10px;
  margin-bottom: 18px;
  font-size: 14px;
}
.flash-success { background: var(--color-yes-bg); color: var(--color-yes-text); }
.flash-error { background: var(--color-no-bg); color: var(--color-no-text); }
.flash-info { background: #eef2ff; color: #3730a3; }

.url-row { margin-bottom: 14px; }
.url-row label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 6px;
}
.url-copy { display: flex; gap: 8px; }
.url-copy input {
  flex: 1;
  background: #f8fafc;
}

.table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
table.matrix {
  border-collapse: collapse;
  width: 100%;
  min-width: 480px;
  font-size: 14px;
}
table.matrix th,
table.matrix td {
  border: 1px solid var(--color-border);
  padding: 10px 12px;
  text-align: center;
  white-space: nowrap;
}
table.matrix th {
  background: #f8fafc;
  font-weight: 600;
}
table.matrix .sticky-col {
  text-align: left;
  white-space: normal;
  min-width: 160px;
}
table.matrix .agg-col {
  font-size: 12px;
  color: var(--color-muted);
  white-space: normal;
}
td.status-yes { background: var(--color-yes-bg); color: var(--color-yes-text); font-weight: 700; }
td.status-maybe { background: var(--color-maybe-bg); color: var(--color-maybe-text); font-weight: 700; }
td.status-no { background: var(--color-no-bg); color: var(--color-no-text); font-weight: 700; }

.edit-link {
  display: block;
  font-size: 11px;
  color: var(--color-primary);
  text-decoration: none;
  margin-top: 4px;
}
.edit-link:hover { text-decoration: underline; }

.answer-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--color-border);
}
.answer-row:last-child { border-bottom: none; }
.answer-label { flex: 1; font-size: 14px; }
.answer-options { display: flex; gap: 6px; }

.radio-pill {
  position: relative;
  cursor: pointer;
}
.radio-pill input {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
}
.radio-pill span {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1.5px solid var(--color-border);
  font-size: 17px;
  font-weight: 700;
  color: var(--color-muted);
  background: #fff;
  transition: all 0.12s ease;
}
.radio-pill.status-yes input:checked + span {
  background: var(--color-yes-bg);
  color: var(--color-yes-text);
  border-color: var(--color-yes-text);
}
.radio-pill.status-maybe input:checked + span {
  background: var(--color-maybe-bg);
  color: var(--color-maybe-text);
  border-color: var(--color-maybe-text);
}
.radio-pill.status-no input:checked + span {
  background: var(--color-no-bg);
  color: var(--color-no-text);
  border-color: var(--color-no-text);
}
.radio-pill input:focus-visible + span {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.inline-form {
  display: inline;
}
.link-btn {
  background: none;
  border: none;
  padding: 0;
  font-size: 11px;
  cursor: pointer;
  text-decoration: none;
}
.link-btn.danger {
  color: var(--color-danger);
}
.link-btn.danger:hover { text-decoration: underline; }

.site-footer {
  text-align: center;
  color: var(--color-muted);
  font-size: 12px;
  padding: 20px 0 40px;
}

/* ボット対策のハニーポット項目: 画面上には表示しない */
.hp-field {
  position: absolute;
  left: -9999px;
  top: -9999px;
  height: 0;
  overflow: hidden;
  opacity: 0;
}

.superadmin-table td, .superadmin-table th {
  vertical-align: top;
}
.superadmin-actions { display: flex; flex-direction: column; gap: 6px; }
.superadmin-actions a, .superadmin-actions button { font-size: 12px; }
.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  background: #eef1f8;
  color: var(--color-secondary);
  font-size: 11px;
}
.login-box {
  max-width: 360px;
  margin: 40px auto;
}
.search-row {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}
.search-row input { flex: 1; }
.pagination {
  display: flex;
  gap: 10px;
  justify-content: center;
  margin-top: 16px;
  font-size: 13px;
}
.pagination a {
  color: var(--color-primary);
  text-decoration: none;
}

@media (max-width: 560px) {
  .container { padding: 16px 12px 48px; }
  .card { padding: 16px; }
  .answer-row { flex-direction: column; align-items: flex-start; }
  .url-copy { flex-direction: column; }
}