#let common(doc) = {
  set text(font: "Vollkorn", weight: "regular")
  show heading: it => text(font: "National Park", it)
  doc
}

#let phase(doc) = {
  set text(size: 12pt)
  set page(margin: 36mm)
  doc
}

#let playbook(doc) = {
  set text(size: 10pt)
  set page(margin: 12mm)
  doc
}

