:root {
  --bg: #f6f2ea;
  --surface: #fffdf8;
  --fg: #23201b;
  --muted: #6b645a;
  --line: #ddd5c6;
  --accent: #2f6b5e;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #17181a;
    --surface: #202226;
    --fg: #ece8e1;
    --muted: #a39d93;
    --line: #34373c;
    --accent: #7fc2b1;
    color-scheme: dark;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: system-ui, -apple-system, "Segoe UI", "Hiragino Sans", "Noto Sans JP", "Yu Gothic UI", Meiryo, sans-serif;
  font-size: 1rem;
  line-height: 1.8;
}

.page {
  max-width: 44rem;
  margin: 0 auto;
  padding-block: 2.5rem 4rem;
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
  display: grid;
  gap: 2rem;
}

.langs {
  display: flex;
  gap: 1rem;
  font-size: 0.875rem;
}

section {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1.75rem clamp(1rem, 4vw, 2rem);
  min-width: 0;
}

h1 {
  font-size: clamp(1.6rem, 5vw, 2.2rem);
  line-height: 1.3;
  margin: 0 0 1rem;
  text-wrap: balance;
}

h2 {
  font-size: 1.1rem;
  margin: 2rem 0 0.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
}

p,
ul {
  margin: 0 0 0.75rem;
}

ul {
  padding-left: 1.25rem;
}

li + li {
  margin-top: 0.35rem;
}

a {
  color: var(--accent);
  text-underline-offset: 0.2em;
}

a[href^="mailto:"] {
  white-space: nowrap;
}

code {
  font-family: ui-monospace, "Cascadia Mono", Consolas, monospace;
  font-size: 0.9em;
}

.links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  margin-top: 1.25rem;
}

.meta {
  color: var(--muted);
  font-size: 0.875rem;
  margin-top: 1.5rem;
}