:root { color-scheme: light; font-family: Arial, "Noto Sans", sans-serif; color: #202b32; background: #fff; line-height: 1.7; }
* { box-sizing: border-box; }
body { margin: 0; }
header, main, footer { max-width: 900px; margin: auto; padding: 24px; }
header { display: flex; align-items: center; gap: 16px; border-bottom: 1px solid #d9e1e3; }
header img { width: 56px; height: 56px; border-radius: 8px; }
header strong { display: block; font-size: 18px; }
header small { color: #52646c; }
h1 { font-size: 30px; line-height: 1.25; margin: 24px 0 16px; }
h2 { font-size: 23px; line-height: 1.4; margin: 32px 0 12px; }
h3 { font-size: 18px; margin: 24px 0 8px; }
p, li { overflow-wrap: anywhere; }
a { color: #086c58; text-underline-offset: 3px; }
a:focus-visible, summary:focus-visible { outline: 3px solid #d67e12; outline-offset: 4px; }
nav { display: flex; flex-wrap: wrap; gap: 12px 24px; margin-bottom: 24px; }
.action { display: inline-block; padding: 12px 18px; border-radius: 6px; background: #086c58; color: #fff; font-weight: 700; }
section { padding-bottom: 28px; border-bottom: 1px solid #d9e1e3; scroll-margin-top: 24px; }
li + li { margin-top: 8px; }
code { overflow-wrap: anywhere; }
footer { font-size: 14px; color: #52646c; }
@media (max-width: 480px) { header, main, footer { padding: 20px; } h1 { font-size: 26px; } header strong { font-size: 16px; } }