:root {
  --ink: #1e2d35;
  --ink-sub: #5b6d76;
  --line: #dde5e4;
  --accent: #0e7a6c;
  --accent-deep: #0a5a50;
  --accent-soft: #e2f2ef;
  --gold: #c08a12;
  --gold-soft: #fbf3df;
  --warn: #b3452f;
  --warn-soft: #fbe9e4;
  --bg: #f5f7f6;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Yu Gothic", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.7;
  font-size: 15px;
}
a { color: var(--accent); }

/* ---------- ヘッダ ---------- */
.doc-header {
  background: linear-gradient(135deg, #0d4f46, #14806f 55%, #1c6f96);
  color: #fff;
  padding: 1.4rem 1.5rem 1.6rem;
}
.dh-inner { max-width: 1080px; margin: 0 auto; }
.doc-header .back {
  color: #fff; text-decoration: none; font-size: .82rem; font-weight: 700;
  background: rgba(255, 255, 255, .18); border-radius: 99px; padding: .25rem .9rem;
}
.doc-header .back:hover { background: rgba(255, 255, 255, .3); }
.doc-header h1 { margin: .6rem 0 .2rem; font-size: 1.5rem; }
.doc-header p { margin: 0; font-size: .8rem; opacity: .9; }

/* ---------- レイアウト ---------- */
.doc-layout {
  max-width: 1080px; margin: 0 auto;
  display: grid; grid-template-columns: 210px minmax(0, 1fr);
  gap: 1.4rem; padding: 1.2rem 1.5rem 3rem;
  align-items: start;
}
#toc { position: sticky; top: 1rem; }
.toc-inner {
  background: #fff; border-radius: 12px; box-shadow: 0 1px 5px rgba(20, 40, 50, .1);
  padding: .7rem .4rem; display: flex; flex-direction: column;
}
.toc-title { font-size: .72rem; font-weight: 800; color: var(--ink-sub); padding: 0 .7rem .3rem; letter-spacing: .06em; }
#toc a {
  font-size: .78rem; text-decoration: none; color: var(--ink);
  padding: .28rem .7rem; border-radius: 8px; border-left: 3px solid transparent;
}
#toc a:hover { background: var(--accent-soft); }
#toc a.on { border-left-color: var(--accent); background: var(--accent-soft); font-weight: 700; }

#doc-main section {
  background: #fff; border-radius: 14px; box-shadow: 0 1px 5px rgba(20, 40, 50, .1);
  padding: 1.1rem 1.4rem 1.3rem; margin-bottom: 1.1rem;
  scroll-margin-top: 1rem;
}
#doc-main h2 {
  margin: 0 0 .3rem; font-size: 1.15rem;
  border-bottom: 2px solid var(--accent-soft); padding-bottom: .35rem;
}
#doc-main h3 { font-size: .98rem; margin: 1.3em 0 .4em; }
#doc-main h4 { font-size: .88rem; margin: 1.1em 0 .35em; }
.lead { color: var(--ink-sub); font-size: .85rem; margin: .2em 0 .9em; }
.note, .notes { font-size: .78rem; color: var(--ink-sub); }
.notes { margin: .5rem 0 0 1.1rem; padding: 0; }

/* ---------- 表 ---------- */
.tbl-wrap { overflow-x: auto; }
table.tbl { border-collapse: collapse; width: 100%; font-size: .82rem; }
.tbl.slim { width: auto; min-width: 50%; }
.tbl th, .tbl td { border: 1px solid var(--line); padding: .35rem .55rem; text-align: left; vertical-align: top; }
.tbl th { background: #eef3f2; font-size: .74rem; white-space: nowrap; }
.tbl th.w160 { min-width: 160px; }
.tbl td.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.tbl td.nw { white-space: nowrap; }
.tbl tr.star td { background: var(--gold-soft); }
.tbl tr.star td:first-child::before { content: "★ "; color: var(--gold); }
.tbl tr.ng td { color: #9aa7ad; text-decoration: line-through; }
.tbl tr.ng td.keep { text-decoration: none; color: var(--warn); font-size: .74rem; }
.matrix td.hit { background: var(--accent-soft); font-weight: 700; text-align: center; white-space: nowrap; }
.matrix td.miss { text-align: center; color: #c3ccd1; }

/* ---------- 部品 ---------- */
.callout {
  border-left: 4px solid var(--accent); background: var(--accent-soft);
  border-radius: 6px; padding: .55rem .85rem; font-size: .82rem; margin: .7rem 0;
}
.callout.warn { border-color: var(--warn); background: var(--warn-soft); }
.callout.gold { border-color: var(--gold); background: var(--gold-soft); }
.callout ul { margin: .2rem 0 .1rem 1.1rem; padding: 0; }

.steps { font-size: .86rem; margin: .3rem 0 .3rem 1.3rem; padding: 0; }
.steps li { margin-bottom: .15rem; }
.cols2 { columns: 2; font-size: .86rem; margin: .3rem 0; }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; }

.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: .6rem; margin: .7rem 0; }
.mini-card {
  border: 1px solid var(--line); border-radius: 11px; padding: .55rem .75rem;
  font-size: .78rem;
}
.mini-card b { display: block; margin-bottom: .15rem; }
.mini-card p { margin: 0; color: var(--ink-sub); }

/* バー */
.bar-row { display: grid; grid-template-columns: 160px 1fr 130px; gap: .6rem; align-items: center; font-size: .8rem; padding: .18rem 0; }
.bar-row.total { border-top: 2px solid var(--line); margin-top: .4rem; padding-top: .5rem; }
.bar-track { background: #edf1f0; border-radius: 6px; height: 16px; position: relative; overflow: hidden; }
.bar-fill { position: absolute; inset: 0 auto 0 0; background: var(--accent); border-radius: 6px; opacity: .88; }
.bar-fill.std { background: var(--gold); }
.bar-val { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.bar-note { font-size: .72rem; color: var(--ink-sub); }

/* リンクカード */
.linkgrid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: .55rem; }
.linkcard {
  display: flex; gap: .6rem; align-items: stretch;
  border: 1px solid var(--line); border-radius: 11px; overflow: hidden;
  text-decoration: none; color: var(--ink);
  transition: border-color .15s; min-height: 58px; background: #fff;
}
.linkcard:hover { border-color: var(--accent); }
.linkcard .lc-img {
  flex: 0 0 86px; background: #eef3f2 center/cover no-repeat;
  display: flex; align-items: center; justify-content: center; font-size: 1.2rem;
}
.linkcard .lc-img img { width: 20px; height: 20px; }
.linkcard .lc-txt { padding: .4rem .6rem .4rem 0; min-width: 0; align-self: center; }
.linkcard .lc-t { font-size: .78rem; font-weight: 700; line-height: 1.35; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.linkcard .lc-d { font-size: .68rem; color: var(--ink-sub); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.linkcard .lc-host { font-size: .62rem; color: #9aa7ad; }

.doc-footer { max-width: 1080px; margin: 0 auto; padding: 0 1.5rem 2rem; font-size: .72rem; color: var(--ink-sub); }

@media (max-width: 820px) {
  .doc-layout { grid-template-columns: minmax(0, 1fr); padding: 1rem .8rem 2.5rem; }
  .tbl { min-width: 560px; } /* 列を潰さず tbl-wrap 内で横スクロールさせる */
  .tbl.slim { min-width: 0; }
  .cols2 { columns: 1; }
  #toc { position: static; }
  .toc-inner { flex-direction: row; flex-wrap: wrap; gap: .1rem; }
  .two-col { grid-template-columns: 1fr; }
}