:root {
  --yellow: #ffc20e;
  --ink: #2b2b2b;
  --muted: #666;
  --paper: #fffdf6;
  --line: #eadfbf;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Hiragino Sans", "Noto Sans JP", "Yu Gothic", system-ui, sans-serif;
  line-height: 1.8;
}
header {
  background: var(--yellow);
  padding: 32px 16px;
  text-align: center;
}
header img { width: 96px; height: 96px; border-radius: 50%; display: block; margin: 0 auto 12px; }
header h1 { margin: 0; color: #fff; font-size: 28px; letter-spacing: 0.04em; text-shadow: 0 1px 2px rgba(0, 0, 0, 0.15); }
header p { margin: 4px 0 0; color: #fff; }
main { max-width: 720px; margin: 0 auto; padding: 24px 16px 48px; }
h2 { font-size: 20px; border-bottom: 3px solid var(--yellow); padding-bottom: 4px; margin-top: 40px; }
h3 { font-size: 16px; margin-top: 24px; }
a { color: #8a5a00; }
.button {
  display: inline-block;
  background: var(--yellow);
  color: #fff;
  font-weight: bold;
  text-decoration: none;
  padding: 10px 20px;
  border-radius: 999px;
}
.en { color: var(--muted); }
footer { border-top: 1px solid var(--line); text-align: center; padding: 16px; font-size: 14px; color: var(--muted); }
footer a { margin: 0 8px; }