:root {
  color-scheme: light dark;
  --fg: #1c1c1e;
  --bg: #ffffff;
  --muted: #6b6b70;
  --rule: #e3e3e6;
  --accent: #0b6ec9;
  --tint: #f6f6f8;
}

@media (prefers-color-scheme: dark) {
  :root {
    --fg: #e9e9ea;
    --bg: #141416;
    --muted: #9d9da3;
    --rule: #2c2c30;
    --accent: #5aa9f0;
    --tint: #1d1d20;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0 auto;
  padding: 3rem 1.25rem 5rem;
  max-width: 46rem;
  font: 17px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--fg);
  background: var(--bg);
  -webkit-text-size-adjust: 100%;
}

/* Japanese needs more leading and a font stack that resolves on non-Apple
   platforms, where the App Store reviewer may well be reading this. */
body:lang(ja) {
  line-height: 1.85;
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans",
               "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
}

h1 { font-size: 2rem; line-height: 1.2; margin: 0 0 .35rem; letter-spacing: -.02em; }
h2 { font-size: 1.25rem; margin: 2.75rem 0 .75rem; letter-spacing: -.01em; }
h1:lang(ja) { font-size: 1.85rem; line-height: 1.4; letter-spacing: 0; }
h2:lang(ja) { font-size: 1.2rem; letter-spacing: 0; }

.dates { color: var(--muted); font-size: .9rem; margin: 0 0 1.5rem; }
.lang {
  margin: 0 0 2.5rem; padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--rule); font-size: .95rem;
}

a { color: var(--accent); }

ul { padding-left: 1.25rem; }
li { margin: .35rem 0; }

table {
  border-collapse: collapse; width: 100%; margin: 1rem 0;
  font-size: .95rem; display: block; overflow-x: auto;
}
th, td {
  text-align: left; padding: .6rem .7rem;
  border-bottom: 1px solid var(--rule); vertical-align: top;
}
th { background: var(--tint); font-weight: 600; }

code {
  background: var(--tint); padding: .12em .4em;
  border-radius: 4px; font-size: .875em;
}

.callout {
  background: var(--tint); border-left: 3px solid var(--accent);
  padding: .9rem 1.1rem; margin: 1.5rem 0; border-radius: 0 6px 6px 0;
}

footer {
  margin-top: 3.5rem; padding-top: 1.5rem;
  border-top: 1px solid var(--rule); color: var(--muted); font-size: .875rem;
}

/* Landing page */
.apps { list-style: none; padding: 0; margin: 2rem 0 0; }
.apps li { margin: 0 0 1.25rem; padding: 1.1rem 1.25rem; background: var(--tint); border-radius: 10px; }
.apps .name { font-weight: 600; font-size: 1.05rem; }
.apps .what { color: var(--muted); font-size: .92rem; margin: .2rem 0 .6rem; }