@import url("https://fonts.googleapis.com/css2?family=Zen+Kaku+Gothic+New:wght@400;700&display=swap");

:root {
  --ink: #1f2a37;
  --muted: #667383;
  --accent: #c8323a;
  --rule: #9db8a8;
  --line: #cfe0d4;
  --soft: #f6f8f4;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Zen Kaku Gothic New", "Hiragino Sans", "Meiryo", sans-serif;
  color: var(--ink);
  background: #fff;
  line-height: 1.85;
  font-size: 15px;
}

main {
  max-width: 720px;
  margin: 0 auto;
  padding: 32px 20px 56px;
}

h1 {
  font-size: 1.5rem;
  border-bottom: 3px solid var(--rule);
  padding-bottom: 8px;
  margin: 0 0 20px;
}

h2 {
  font-size: 1.1rem;
  margin: 28px 0 8px;
  padding-left: 10px;
  border-left: 5px solid var(--accent);
}

p,
li {
  margin: 6px 0;
}

ol,
ul {
  padding-left: 1.4em;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 12px 0;
  font-size: 0.92rem;
}

th,
td {
  border: 1px solid var(--line);
  padding: 8px 10px;
  text-align: left;
  vertical-align: top;
}

th {
  background: var(--soft);
  white-space: nowrap;
}

.updated {
  color: var(--muted);
  font-size: 0.85rem;
}

.disclaimer {
  margin-top: 32px;
  padding: 12px 14px;
  background: var(--soft);
  border: 1px dashed var(--line);
  border-radius: 8px;
  color: var(--muted);
  font-size: 0.85rem;
}