* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; line-height: 1.7; color: #1a1a2e; background: #fafafa; padding: 2rem 1rem; padding-top: calc(env(safe-area-inset-top) + 2rem); }
.container { max-width: 680px; margin: 0 auto; background: #fff; border-radius: 12px; padding: 2.5rem; box-shadow: 0 1px 3px rgba(0,0,0,0.08); }
h1 { font-size: 1.75rem; font-weight: 700; margin-bottom: 0.25rem; }
.updated { color: #666; font-size: 0.875rem; margin-bottom: 2rem; }
h2 { font-size: 1.125rem; font-weight: 600; margin-top: 2rem; margin-bottom: 0.75rem; }
p { margin-bottom: 0.75rem; color: #444; }
ul { margin: 0.5rem 0 1rem 1.5rem; color: #444; }
li { margin-bottom: 0.4rem; }
strong { color: #1a1a2e; }
a { color: #7c3aed; text-decoration: none; }
a:hover { text-decoration: underline; }
:focus-visible { outline: 2px solid #7c3aed; outline-offset: 4px; }
.age-callout { margin: 1.25rem 0; padding: 1rem 1.25rem; background: #f5f0ff; border: 1px solid #e2d6ff; border-left: 4px solid #7c3aed; border-radius: 8px; color: #2a1a4a; font-weight: 500; }
.breadcrumbs { margin-bottom: 1.5rem; font-size: 0.875rem; }
.breadcrumbs ol { list-style: none; display: flex; flex-wrap: wrap; gap: 0.35rem 0.6rem; }
.breadcrumbs li { margin: 0; }
.breadcrumbs li + li::before { content: "/"; margin-right: 0.6rem; color: #666; }
.breadcrumbs [aria-current] { color: #444; }
.related { margin-top: 2.5rem; padding-top: 0.5rem; border-top: 1px solid #e6e0ed; }
.related h2 { margin-top: 1rem; }
.token-diagram { margin: 1.5rem 0; }
.token-diagram img { display: block; width: 100%; height: auto; max-width: 520px; margin: 0 auto; }
.token-diagram figcaption { margin-top: 0.75rem; color: #444; font-size: 0.875rem; }
@media (max-width: 480px) { .container { padding: 1.5rem; } }