:root {
  color-scheme: light dark;
  --bg: #f8f6f0;
  --surface: #efebe1;
  --text: #222;
  --muted: #5c5a55;
  --line: #dcd6c8;
  --accent: #2f4b6e;
  --on-accent: #f4eedf;
  --link: #2a5a96;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1c1c1c;
    --surface: #2a2a2a;
    --text: #e8e6e1;
    --muted: #b0aca4;
    --line: #3c3a36;
    --accent: #f4eedf;
    --on-accent: #2f4b6e;
    --link: #9cc0ef;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Hiragino Sans", "Noto Sans JP", "Yu Gothic UI", "Meiryo", sans-serif;
  font-size: 17px;
  line-height: 1.8;
}
main, footer { max-width: 40rem; margin: 0 auto; padding: 0 1rem; }
a { color: var(--link); }
header {
  max-width: 40rem;
  margin: 0 auto;
  padding: 2.5rem 1rem 1rem;
  display: flex;
  gap: 1rem;
  align-items: center;
}
header img { width: 72px; height: 72px; border-radius: 16px; flex: none; }
h1 { font-family: "Hiragino Mincho ProN", "Yu Mincho", "Noto Serif JP", serif; font-size: 2rem; line-height: 1.2; margin: 0; }
header p { margin: .25rem 0 0; color: var(--muted); }
h2 { font-size: 1.25rem; margin: 2.5rem 0 .75rem; padding-bottom: .25rem; border-bottom: 1px solid var(--line); }
.lead { font-size: 1.1rem; }
.download {
  margin: 1.5rem 0 2rem;
  padding: 1.25rem;
  background: var(--surface);
  border-radius: 12px;
  text-align: center;
}
.button {
  display: inline-block;
  min-width: 16rem;
  padding: 1rem 1.5rem;
  background: var(--accent);
  color: var(--on-accent);
  font-size: 1.2rem;
  font-weight: bold;
  text-decoration: none;
  border-radius: 999px;
}
.button:focus-visible { outline: 3px solid var(--link); outline-offset: 3px; }
.download p { margin: .75rem 0 0; color: var(--muted); font-size: .95rem; }
.shots {
  display: flex;
  gap: 1rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: .25rem 0 1rem;
  margin: 0 -1rem;
  padding-left: 1rem;
  padding-right: 1rem;
}
.shots figure { margin: 0; flex: 0 0 auto; width: 13rem; scroll-snap-align: start; }
.shots img { width: 100%; height: auto; border: 1px solid var(--line); border-radius: 12px; display: block; }
.shots figcaption { font-size: .9rem; color: var(--muted); margin-top: .4rem; line-height: 1.5; }
/* A screen the install steps refer to: as wide as the text allows, at most a phone's width. */
.note-shot { display: block; width: 100%; max-width: 22rem; height: auto; border-radius: 12px; margin: .5rem 0 0; }
ul, ol { padding-left: 1.4rem; }
li { margin: .35rem 0; }
ol > li { margin: .75rem 0; }
.note { background: var(--surface); border-radius: 12px; padding: .75rem 1rem; }
footer { margin-top: 3rem; padding-top: 1rem; padding-bottom: 3rem; border-top: 1px solid var(--line); color: var(--muted); font-size: .9rem; }
footer ul { list-style: none; padding: 0; }
.table-wrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-size: .95rem; }
th, td { border: 1px solid var(--line); padding: .4rem .6rem; text-align: left; vertical-align: top; }
th { background: var(--surface); }
.back { margin: 2rem 0 0; }
h1.page-title { font-size: 1.4rem; }