:root {
  --bg: #ffffff;
  --surface: #f8f9fb;
  --line: #d6dbe3;
  --text: #12161d;
  --muted: #5d6777;
  --link: #1b4fa3;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", "Noto Sans JP", sans-serif;
  line-height: 1.6;
}

a {
  color: var(--link);
}

.page {
  max-width: 920px;
  margin: 0 auto;
  padding: 24px 16px 48px;
}

.topline {
  margin: 0 0 8px;
  font-size: 0.95rem;
}

h1 {
  margin: 0 0 8px;
  font-size: 1.7rem;
}

.lead {
  margin: 0 0 18px;
  color: var(--muted);
}

.controls {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 16px;
}

.control {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 10px;
  background: #fff;
}

.control label {
  font-size: 0.9rem;
  color: var(--muted);
}

select {
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 6px 8px;
  background: #fff;
  color: var(--text);
}

.result-count {
  margin-left: auto;
  color: var(--muted);
  font-size: 0.9rem;
}

.cards {
  display: grid;
  gap: 12px;
}

.card {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
  padding: 12px;
}

.card-title {
  margin: 0 0 8px;
  font-size: 1.1rem;
}

.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 8px;
}

.badge {
  display: inline-block;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 2px 9px;
  font-size: 0.78rem;
  letter-spacing: 0.01em;
  background: #fff;
}

.badge-status-idea { background: #f8f8f8; }
.badge-status-research { background: #f6f8fb; }
.badge-status-building { background: #f4f7fc; }
.badge-status-polish { background: #f2f7f5; }
.badge-status-released { background: #eff7ef; }
.badge-status-archived { background: #f3f3f3; }

.short {
  margin: 0;
  color: var(--muted);
}

.empty {
  border: 1px dashed var(--line);
  border-radius: 10px;
  padding: 14px;
  color: var(--muted);
  background: #fff;
}

.section {
  border-top: 1px solid var(--line);
  padding-top: 14px;
  margin-top: 14px;
}

.section h2 {
  margin: 0 0 8px;
  font-size: 1.05rem;
}

.section p,
.section ul {
  margin: 0;
}

.idea-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 10px;
}

@media (max-width: 640px) {
  .result-count {
    margin-left: 0;
    width: 100%;
  }
}