:root {
  --bg: #f7f6f2;
  --card: #ffffff;
  --text: #1f1f1f;
  --muted: #6b6b6b;
  --primary: #2f6f4f;
  --primary-text: #ffffff;
  --border: #d9d6cc;
  --error: #b3261e;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #161716;
    --card: #222422;
    --text: #ececec;
    --muted: #a0a0a0;
    --primary: #5fae86;
    --primary-text: #0c1a12;
    --border: #3a3d3a;
    --error: #f2b8b5;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Hiragino Sans", "Noto Sans JP", sans-serif;
  font-size: 18px;
  line-height: 1.6;
}
main { max-width: 640px; margin: 0 auto; padding: 16px; }
h1 { font-size: 1.5rem; }
h2 { font-size: 1.2rem; margin-top: 2rem; }
a { color: var(--primary); }
.topbar {
  display: flex; justify-content: space-between; align-items: center;
  padding: 10px 16px; background: var(--card); border-bottom: 1px solid var(--border);
}
.topbar form { margin: 0; }
.brand { font-weight: bold; text-decoration: none; color: var(--text); }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 16px; }
label { display: block; font-weight: bold; margin-bottom: 6px; }
input, select, textarea {
  width: 100%; font-size: 1.1rem; padding: 12px; border-radius: 8px;
  border: 1px solid var(--border); background: var(--bg); color: var(--text);
}
.btn {
  display: block; width: 100%; margin: 12px 0; padding: 16px; font-size: 1.15rem; font-weight: bold;
  text-align: center; text-decoration: none; border-radius: 12px; cursor: pointer;
  border: 1px solid var(--border); background: var(--card); color: var(--text);
}
.btn.primary { background: var(--primary); border-color: var(--primary); color: var(--primary-text); }
button.link { background: none; border: none; color: var(--primary); font-size: 1rem; cursor: pointer; padding: 8px; }
.error { color: var(--error); font-weight: bold; }
.muted { color: var(--muted); }
.stats { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 8px; }
.stat {
  background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 12px;
  display: flex; flex-direction: column; align-items: center;
}
.stat .num { font-size: 1.7rem; font-weight: bold; }
.stat .num small { font-size: 0.9rem; margin-left: 2px; }
.stat .label { color: var(--muted); font-size: 0.95rem; }
.list { padding-left: 1.4em; }
.list li { margin: 8px 0; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.photo { display: block; width: 100%; max-height: 60vh; object-fit: contain; border-radius: 12px; background: var(--card); }
.notice { background: var(--card); border-left: 4px solid var(--primary); padding: 10px 12px; border-radius: 6px; }
.stack label { margin-top: 14px; }
textarea { font-family: inherit; }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.props { display: grid; grid-template-columns: max-content 1fr; gap: 6px 14px; }
.props dt { color: var(--muted); }
.props dd { margin: 0; }
.overlay { position: fixed; inset: 0; background: rgba(0, 0, 0, 0.55); display: flex; align-items: center; justify-content: center; z-index: 10; }
.overlay[hidden] { display: none; }
.overlay-box { background: var(--card); color: var(--text); border-radius: 16px; padding: 24px; text-align: center; width: min(320px, 85vw); }
.spinner { width: 44px; height: 44px; margin: 0 auto; border: 5px solid var(--border); border-top-color: var(--primary); border-radius: 50%; animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.topbar nav { margin-left: auto; margin-right: 8px; }
.topbar nav a { text-decoration: none; padding: 8px; }
.gallery { display: grid; gap: 8px; }
.links { padding-left: 1.2em; }
.links li { margin: 6px 0; }
.badge { display: inline-block; padding: 0 8px; border-radius: 999px; border: 1px solid var(--border); font-size: 0.85rem; }
.filters { display: grid; gap: 8px; }
.item-list { list-style: none; padding: 0; margin: 0; }
.item-list li { margin: 8px 0; }
.item-row {
  display: flex; gap: 12px; align-items: center; text-decoration: none; color: var(--text);
  background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 8px;
}
.item-row img, .item-row .noimg { width: 76px; height: 76px; object-fit: cover; border-radius: 8px; flex: none; background: var(--bg); }
.item-body { display: flex; flex-direction: column; min-width: 0; }
.item-name { font-weight: bold; overflow-wrap: anywhere; }
.item-meta { font-size: 0.9rem; color: var(--muted); }
.slot { margin: 12px 0; }
.slot-head { display: flex; justify-content: space-between; align-items: center; }
.slot .btn { margin: 8px 0 0; }
.slot-preview { display: block; width: 100%; max-height: 220px; object-fit: contain; margin-top: 8px; border-radius: 8px; }
.btn:disabled { opacity: 0.5; cursor: default; }
[hidden] { display: none !important; }
.table { width: 100%; border-collapse: collapse; font-size: 0.95rem; }
.table th, .table td { border-bottom: 1px solid var(--border); padding: 8px 6px; text-align: left; vertical-align: top; overflow-wrap: anywhere; }
.table th { color: var(--muted); font-weight: normal; }
.compare td { width: 40%; }
.verdicts { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.verdicts .btn { margin: 0; }
.today h2 { margin-top: 12px; }
.nudge { font-size: 1.2rem; font-weight: bold; color: var(--primary); }
.topbar { flex-wrap: wrap; gap: 4px; }
.ai-io pre { white-space: pre-wrap; overflow-wrap: anywhere; background: var(--card); border: 1px solid var(--border); border-radius: 8px; padding: 8px; font-size: 0.85rem; }