:root {
  --text: #1f2328;
  --muted: #5f6670;
  --line: #e3e5e8;
  --soft: #f5f6f7;
  --accent: #1a5fb4;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: #fff;
  color: var(--text);
  font-family: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic UI", "Meiryo", sans-serif;
  font-size: 17px;
  line-height: 1.8;
  -webkit-text-size-adjust: 100%;
}

a { color: var(--accent); }
a:hover { text-decoration: none; }

.visually-hidden {
  position: absolute; width: 1px; height: 1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap;
}

/* トップ */
.home, .page {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 16px 64px;
}

.hero {
  text-align: center;
  padding: 12vh 0 24px;
}
.hero h1 { font-size: 1.8rem; margin: 0; letter-spacing: 0.04em; }
.lead { color: var(--muted); margin: 4px 0 24px; }

.search input {
  width: 100%;
  font-size: 1.1rem;
  padding: 14px 18px;
  border: 1px solid #c9cdd2;
  border-radius: 999px;
  outline: none;
  color: var(--text);
  background: #fff;
}
.search input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(26, 95, 180, 0.15);
}

.status { color: var(--muted); font-size: 0.9rem; min-height: 1.6em; margin: 8px 0 0; }

.category-block { margin-top: 32px; }
.category-block h2,
.results h2 { font-size: 1.05rem; }
.category-block summary {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 0;
  border-bottom: 1px solid var(--line);
  cursor: pointer;
  list-style: none;
}
.category-block summary::-webkit-details-marker { display: none; }
.category-block summary::before {
  content: "";
  width: 7px; height: 7px;
  border-right: 2px solid var(--muted);
  border-bottom: 2px solid var(--muted);
  transform: rotate(-45deg);
  transition: transform 0.15s;
  flex-shrink: 0;
}
.category-block[open] summary::before { transform: rotate(45deg); }
.category-block summary:hover h2 { color: var(--accent); }
.category-block h2 { margin: 0; }
.count { color: var(--muted); font-size: 0.8rem; }

.doc-list { list-style: none; margin: 0; padding: 0; }
.doc-list li {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--soft);
}
.owner { color: var(--muted); font-size: 0.85rem; }
.none { color: var(--muted); font-size: 0.9rem; margin: 10px 0 0; }

/* 作成予定（未作成）のマニュアル */
.planned-label { color: var(--muted); font-size: 0.8rem; margin: 14px 0 4px; }
.planned-list { list-style: none; margin: 0; padding: 0; }
.planned-list li {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 4px 12px;
  padding: 8px 12px;
  margin-bottom: 6px;
  border: 1px dashed #c9cdd2;
  border-radius: 6px;
}
.planned-title { color: var(--muted); }
.badge {
  font-size: 0.75rem;
  line-height: 1.6;
  padding: 1px 8px;
  border-radius: 999px;
  border: 1px solid #c9cdd2;
  color: var(--muted);
  white-space: nowrap;
}

.result { padding: 18px 0; border-bottom: 1px solid var(--line); }
.result h2 { margin: 0 0 4px; }
.result-category { color: var(--muted); font-size: 0.8rem; margin: 0; }
.snippet {
  margin: 0 0 8px;
  color: var(--muted);
  font-size: 0.95rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.empty { color: var(--muted); text-align: center; padding: 24px 0; }

/* タグ */
.tags { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 6px; }
.tags a {
  display: inline-block;
  font-size: 0.8rem;
  line-height: 1.6;
  padding: 2px 10px;
  border-radius: 999px;
  background: var(--soft);
  color: var(--muted);
  text-decoration: none;
}
.tags a:hover { color: var(--accent); }

/* マニュアル本文 */
.back { margin: 20px 0; font-size: 0.95rem; }
.category { color: var(--muted); font-size: 0.9rem; margin: 24px 0 0; }
.page h1 { font-size: 1.6rem; line-height: 1.4; margin: 4px 0 12px; }
.meta { display: flex; flex-wrap: wrap; gap: 4px 24px; margin: 0 0 12px; color: var(--muted); font-size: 0.9rem; }
.meta div { display: flex; gap: 8px; }
.meta dd { margin: 0; color: var(--text); }

.body { border-top: 1px solid var(--line); margin-top: 20px; }
.body h2 { font-size: 1.2rem; margin: 32px 0 8px; scroll-margin-top: 16px; }

/* 目次 */
.toc {
  margin: 20px 0 0;
  padding: 12px 16px;
  background: var(--soft);
  border-radius: 6px;
  font-size: 0.95rem;
}
.toc-title { margin: 0 0 4px; color: var(--muted); font-size: 0.85rem; }
.toc ol { margin: 0; padding-left: 1.5em; }
.toc li { margin: 2px 0; }
.body ol, .body ul { padding-left: 1.5em; }
.body li { margin: 4px 0; }

.table-wrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-size: 0.95rem; }
th, td { border: 1px solid var(--line); padding: 8px 12px; text-align: left; }
th { background: var(--soft); }

@media (max-width: 480px) {
  body { font-size: 16px; }
  .hero { padding-top: 8vh; }
  .hero h1 { font-size: 1.5rem; }
  .page h1 { font-size: 1.35rem; }
}