:root {
  --accent: #0f766e;
  --accent-dark: #115e59;
  --accent-light: #ccfbf1;
  --bg: #f4f6f5;
  --card: #ffffff;
  --text: #1f2937;
  --muted: #6b7280;
  --border: #e5e7eb;
  --danger: #b91c1c;
  --radius: 12px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic UI", "Meiryo", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-text-size-adjust: 100%;
}

.topbar {
  background: var(--accent);
  padding: 12px 16px;
  position: sticky;
  top: 0;
  z-index: 10;
}
.brand {
  color: #fff;
  font-weight: 700;
  font-size: 1.1rem;
  text-decoration: none;
}

main {
  max-width: 640px;
  margin: 0 auto;
  padding: 16px 12px 48px;
}

.foot {
  text-align: center;
  color: var(--muted);
  font-size: 0.78rem;
  padding: 16px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 16px;
  margin-bottom: 14px;
}
.card h2 { margin: 0 0 10px; font-size: 1.15rem; }
.card h3 { margin: 16px 0 6px; font-size: 1rem; }

.hero { text-align: center; padding: 28px 16px; }
.hero h1 { font-size: 1.5rem; margin: 0 0 8px; }
.hero p { color: var(--muted); margin: 0 0 18px; }

.muted { color: var(--muted); font-size: 0.9rem; }
.small { font-size: 0.82rem; }
.error { color: var(--danger); font-weight: 600; }
.ok-msg { color: var(--accent-dark); font-weight: 600; }

button, .btn {
  display: inline-block;
  font: inherit;
  border: none;
  border-radius: 8px;
  padding: 10px 18px;
  cursor: pointer;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  text-decoration: none;
  text-align: center;
}
button:hover, .btn:hover { background: var(--accent-dark); }
button:disabled { opacity: 0.5; cursor: default; }

.btn-outline {
  background: #fff;
  color: var(--accent);
  border: 1.5px solid var(--accent);
}
.btn-outline:hover { background: var(--accent-light); }

.btn-ghost {
  background: transparent;
  color: var(--muted);
  padding: 6px 10px;
  font-weight: 400;
}
.btn-ghost:hover { background: var(--border); }

.btn-big { width: 100%; padding: 14px; font-size: 1.05rem; }
.btn-sm { padding: 6px 12px; font-size: 0.85rem; }

label.field { display: block; margin-bottom: 14px; }
label.field > span, .field-label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 4px;
}
.req { color: var(--danger); font-size: 0.8rem; margin-left: 4px; }

input[type="text"], input[type="number"], input[type="url"],
input[type="datetime-local"], textarea, select {
  width: 100%;
  font: inherit;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
  color: var(--text);
}
input:focus, textarea:focus, select:focus {
  outline: 2px solid var(--accent);
  border-color: var(--accent);
}
textarea { resize: vertical; min-height: 72px; }

.radio-group { display: flex; flex-wrap: wrap; gap: 8px; }
.radio-group label {
  border: 1.5px solid var(--border);
  border-radius: 8px;
  padding: 8px 12px;
  cursor: pointer;
  font-size: 0.9rem;
  background: #fff;
}
.radio-group input { margin-right: 6px; }
.radio-group label:has(input:checked) {
  border-color: var(--accent);
  background: var(--accent-light);
  font-weight: 600;
}

.item-row {
  display: flex;
  gap: 6px;
  align-items: center;
  margin-bottom: 8px;
}
.item-row input[type="text"] { flex: 1; min-width: 0; }
.item-row select { width: 110px; flex: none; }
.item-row .req-check {
  flex: none;
  font-size: 0.78rem;
  white-space: nowrap;
  cursor: pointer;
}
.item-row .del {
  flex: none;
  background: transparent;
  color: var(--danger);
  padding: 4px 8px;
  font-size: 1.1rem;
}
.item-row .del:hover { background: #fee2e2; }

.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-size: 0.85rem;
  font-weight: 700;
  margin-right: 8px;
  flex: none;
}
.step-title { display: flex; align-items: center; margin: 0 0 10px; font-size: 1.05rem; }

ol.guide { padding-left: 20px; margin: 8px 0; }
ol.guide li { margin-bottom: 6px; font-size: 0.92rem; }

.code-box {
  position: relative;
  margin: 10px 0;
}
.code-box textarea {
  font-family: ui-monospace, Consolas, monospace;
  font-size: 0.72rem;
  height: 140px;
  background: #f8fafc;
  white-space: pre;
}
.copy-float { position: absolute; top: 6px; right: 6px; }

.url-box {
  display: flex;
  gap: 6px;
  margin: 6px 0 14px;
}
.url-box input { flex: 1; min-width: 0; font-size: 0.8rem; background: #f8fafc; }
.url-box button { flex: none; }

.tally-list-item {
  display: block;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  margin-bottom: 8px;
}
.tally-list-item .t-title { font-weight: 600; }
.tally-list-item .t-links { display: flex; gap: 10px; margin-top: 4px; }
.tally-list-item a { color: var(--accent); font-size: 0.88rem; }

.badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 999px;
  padding: 2px 10px;
  background: var(--accent-light);
  color: var(--accent-dark);
  margin-left: 6px;
  vertical-align: middle;
}
.badge.gray { background: var(--border); color: var(--muted); }

table.agg {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  margin: 8px 0;
}
table.agg th, table.agg td {
  border-bottom: 1px solid var(--border);
  padding: 7px 8px;
  text-align: left;
}
table.agg th { background: #f8fafc; font-size: 0.82rem; }
table.agg td.num, table.agg th.num { text-align: right; font-variant-numeric: tabular-nums; }
table.agg tr.total td { font-weight: 700; border-top: 2px solid var(--accent); }

.comment-item {
  border-left: 3px solid var(--accent);
  background: #f8fafc;
  border-radius: 0 8px 8px 0;
  padding: 8px 12px;
  margin-bottom: 8px;
}
.comment-item .c-meta { font-size: 0.78rem; color: var(--muted); }

.stat-row { display: flex; gap: 10px; margin: 12px 0; }
.stat {
  flex: 1;
  text-align: center;
  background: var(--accent-light);
  border-radius: 8px;
  padding: 10px 4px;
}
.stat .stat-v { font-size: 1.4rem; font-weight: 700; color: var(--accent-dark); }
.stat .stat-l { font-size: 0.78rem; color: var(--accent-dark); }

.notice {
  background: #fffbeb;
  border: 1px solid #fcd34d;
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 0.88rem;
  margin: 10px 0;
}
.notice.green { background: var(--accent-light); border-color: var(--accent); }

details.help { margin: 10px 0; }
details.help summary { cursor: pointer; font-weight: 600; color: var(--accent); }

.center { text-align: center; }
.mt { margin-top: 16px; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 14px; }
.actions > * { flex: 1; }

@media (max-width: 480px) {
  .item-row { flex-wrap: wrap; }
  .item-row input[type="text"] { flex-basis: 100%; }
}