:root {
  --bg: #f7f7f5;
  --fg: #1d1d1b;
  --muted: #5f5f5a;
  --line: #deded9;
  --link: #1f5fbf;
  --card: #ffffff;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #161615;
    --fg: #ececea;
    --muted: #a3a39d;
    --line: #33332f;
    --link: #8ab4f8;
    --card: #1f1f1d;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.75 system-ui, -apple-system, "Hiragino Sans", "Noto Sans JP", sans-serif;
}
main { max-width: 720px; margin: 0 auto; padding: 32px 16px 64px; }
header { border-bottom: 1px solid var(--line); margin-bottom: 24px; }
header p { color: var(--muted); margin-top: 0; }
h1 { font-size: 1.6rem; line-height: 1.3; margin: 0 0 8px; }
h2 { font-size: 1.15rem; margin: 32px 0 8px; }
a { color: var(--link); }
ul { padding-left: 1.25em; }
li { margin: 4px 0; }
.lang { float: right; font-size: 0.9rem; }
footer { margin-top: 48px; color: var(--muted); font-size: 0.9rem; }
.crumb { margin: 0 0 4px; font-size: 0.9rem; }

/* Landing page */
.lp main { max-width: 880px; }
.lp code, .lp pre { font-family: ui-monospace, "JetBrains Mono", Menlo, monospace; font-size: 0.9em; }
.lp pre {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px 14px;
  overflow-x: auto;
  line-height: 1.5;
}
.top { display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.top a { margin-left: 16px; font-size: 0.95rem; }
.top .brand { margin-left: 0; color: var(--fg); font-weight: 600; text-decoration: none; }
.hero { padding: 48px 0 24px; }
.hero h1 { font-size: clamp(1.8rem, 6vw, 2.6rem); line-height: 1.25; margin: 20px 0 16px; }
.hero .lead { color: var(--muted); font-size: 1.05rem; max-width: 640px; }
.icon { width: 72px; height: 72px; border-radius: 16px; }
.placeholder { background: var(--card); border: 1px dashed var(--line); color: var(--muted); }
.stores { display: flex; flex-wrap: wrap; gap: 8px; }
.store {
  display: inline-block;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 0.9rem;
  color: var(--muted);
}
.shots { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; max-width: 600px; margin: 16px 0 8px; }
.shot {
  aspect-ratio: 9 / 19.5;
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
}
.shot img { width: 100%; height: 100%; object-fit: cover; border-radius: inherit; }
.features { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 12px; }
.features li {
  margin: 0;
  padding: 14px 16px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--muted);
  font-size: 0.95rem;
}
.features strong { display: block; color: var(--fg); margin-bottom: 4px; }
.steps { padding-left: 1.4em; }
.steps li { margin: 0 0 20px; }
.steps p { margin: 4px 0; color: var(--muted); }
.note { color: var(--muted); font-size: 0.95rem; }
.lp footer p { margin: 4px 0; }
@media (max-width: 480px) {
  .shots { gap: 8px; }
  .shot { border-radius: 12px; font-size: 0.8rem; }
}