:root {
  --primary: #1a56db;
  --primary-dark: #123a99;
  --danger: #d92d20;
  --warning: #f79009;
  --ok: #12b76a;
  --bg: #f5f7fa;
  --card-bg: #ffffff;
  --border: #d0d5dd;
  --text: #1d2939;
  --text-muted: #667085;
}

* { box-sizing: border-box; }

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

header.app-header {
  background: var(--primary);
  color: #fff;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

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

nav.app-nav { display: flex; gap: 8px; flex-wrap: wrap; }
nav.app-nav a {
  color: #fff;
  text-decoration: none;
  background: rgba(255,255,255,0.15);
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 13px;
}
nav.app-nav a:hover { background: rgba(255,255,255,0.28); }

main { max-width: 1100px; margin: 20px auto; padding: 0 16px 40px; }

.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px 20px;
  margin-bottom: 18px;
}
.card h2 {
  font-size: 15px;
  margin: 0 0 14px;
  border-left: 4px solid var(--primary);
  padding-left: 8px;
}

.row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }

label { font-size: 13px; color: var(--text-muted); display: block; margin-bottom: 4px; }

input, select, textarea, button { font-family: inherit; font-size: 14px; }

input[type=text], input[type=search], input[type=password], select, textarea {
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: #fff;
}
textarea { width: 100%; min-height: 60px; }

button {
  cursor: pointer;
  border: none;
  border-radius: 6px;
  padding: 10px 16px;
  background: var(--primary);
  color: #fff;
  font-weight: 600;
  /* スマホ・タブレットでのタップしやすさ */
  min-height: 40px;
  touch-action: manipulation;
}
button:hover { background: var(--primary-dark); }
button:disabled { background: #98a2b3; cursor: not-allowed; }
button.secondary { background: #eef2ff; color: var(--primary); }
button.secondary:hover { background: #dde5ff; }
button.danger { background: var(--danger); }
button.small { padding: 5px 10px; font-size: 12px; min-height: 30px; }

table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); }
th { color: var(--text-muted); font-weight: 600; }
tr:hover { background: #f9fafc; }

.badge {
  display: inline-block;
  padding: 2px 9px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
}
.badge-ok { background: #ecfdf3; color: var(--ok); }
.badge-warn { background: #fffaeb; color: var(--warning); }
.badge-danger { background: #fef3f2; color: var(--danger); }
.badge-info { background: #eff8ff; color: var(--primary); }
.badge-muted { background: #f2f4f7; color: var(--text-muted); }

.photo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 12px;
}
.photo-grid figure {
  margin: 0;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  background: #fff;
}
.photo-grid img { width: 100%; display: block; aspect-ratio: 4/3; object-fit: cover; }
.photo-grid figcaption { padding: 6px 8px; font-size: 12px; color: var(--text-muted); }

.qr-box { text-align: center; }
.qr-box img { width: 180px; height: 180px; }

video, canvas.capture-canvas { width: 100%; max-width: 480px; border-radius: 8px; background: #000; }

.compare-wrap { display: flex; gap: 16px; flex-wrap: wrap; }
.compare-col { flex: 1; min-width: 280px; }
.compare-col h3 { font-size: 13px; color: var(--text-muted); margin: 0 0 8px; }
.img-diff-wrap { position: relative; display: inline-block; }
.img-diff-wrap img, .img-diff-wrap canvas { display: block; max-width: 100%; }
.img-diff-wrap canvas { position: absolute; top: 0; left: 0; cursor: crosshair; }

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 20px;
  background: #f2f4f7;
}

.toast {
  position: fixed;
  bottom: 20px;
  right: 20px;
  max-width: 90vw;
  background: #1d2939;
  color: #fff;
  padding: 10px 16px;
  border-radius: 8px;
  font-size: 13px;
  opacity: 0.95;
  z-index: 999;
}

.muted { color: var(--text-muted); font-size: 12px; }
.flex-between { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 8px; }
.hidden { display: none !important; }

.angle-tabs { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 10px; }
.angle-tabs button.active { background: var(--primary-dark); box-shadow: inset 0 0 0 2px rgba(255,255,255,0.6); }

.timeline { border-left: 2px solid var(--border); padding-left: 16px; }
.timeline-item { margin-bottom: 18px; position: relative; }
.timeline-item::before {
  content: '';
  position: absolute;
  left: -21px;
  top: 4px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--primary);
}

/* スマートフォン向け調整 */
@media (max-width: 600px) {
  main { margin: 12px auto; padding: 0 10px 30px; }
  .card { padding: 14px; }
  header.app-header { padding: 10px 12px; }
  header.app-header h1 { font-size: 15px; }
  .photo-grid { grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); }
  video, canvas.capture-canvas { max-width: 100%; }
}