/* Cutline マニュアル（GitHub Pages用・LPの配色に合わせた文書スタイル） */
:root {
  --navy: #0b1b26;
  --ink: #1c2b36;
  --subtle: #5b7385;
  --line: #dbe6ee;
  --accent: #1779b8;
  --bg: #ffffff;
  --alt: #f4f8fb;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Yu Gothic", Meiryo, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.85;
  font-size: 15.5px;
}
.doc-wrap { max-width: 860px; margin: 0 auto; padding: 0 20px; }

.doc-header { background: var(--navy); color: #e8f3fa; padding: 18px 0; }
.doc-nav { display: flex; gap: 20px; flex-wrap: wrap; }
.doc-nav a { color: #cfe6f5; text-decoration: none; font-size: 13.5px; }
.doc-nav a:hover { color: #fff; text-decoration: underline; }
.doc-version { margin: 10px 0 0; font-size: 12.5px; color: #8fb0c4; }

main { padding: 36px 20px 72px; }
h1 { font-size: 26px; line-height: 1.4; margin: 0 0 24px; }
h2 { font-size: 20px; margin: 48px 0 14px; padding-top: 14px; border-top: 1px solid var(--line); }
h3 { font-size: 16.5px; margin: 28px 0 10px; }
h4 { font-size: 15px; margin: 22px 0 8px; }
p { margin: 0 0 14px; }
ul, ol { margin: 0 0 16px; padding-left: 24px; }
li { margin-bottom: 5px; }
code {
  font-family: SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.88em;
  background: var(--alt);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 1px 5px;
  word-break: break-all;
}
pre {
  background: var(--alt);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px 16px;
  overflow-x: auto;
  margin: 0 0 16px;
}
pre code { background: none; border: none; padding: 0; font-size: 13px; line-height: 1.7; }
blockquote {
  margin: 0 0 16px;
  padding: 12px 16px;
  border-left: 4px solid var(--accent);
  background: var(--alt);
  border-radius: 0 8px 8px 0;
}
blockquote p { margin: 0; }
figure { margin: 20px 0 24px; }
figure img {
  max-width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: 10px;
  box-shadow: 0 4px 18px rgba(11, 27, 38, 0.08);
}
figcaption { font-size: 12.5px; color: var(--subtle); margin-top: 8px; }
.table-wrap { overflow-x: auto; margin: 0 0 18px; }
table { border-collapse: collapse; width: 100%; font-size: 14px; }
th, td { border: 1px solid var(--line); padding: 8px 12px; text-align: left; vertical-align: top; }
th { background: var(--alt); white-space: nowrap; }

.toc {
  background: var(--alt);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 16px 20px;
  margin-bottom: 36px;
}
.toc-title { font-weight: 700; margin: 0 0 8px; font-size: 14px; }
.toc ol { margin: 0; padding-left: 22px; columns: 2; column-gap: 32px; }
.toc li { font-size: 13.5px; margin-bottom: 4px; break-inside: avoid; }
.toc a { color: var(--accent); text-decoration: none; }
.toc a:hover { text-decoration: underline; }
@media (max-width: 640px) { .toc ol { columns: 1; } }

.doc-footer { border-top: 1px solid var(--line); padding: 28px 0 40px; }
.doc-footer p { font-size: 12px; color: var(--subtle); }