:root {
  color-scheme: light;
  --ink: #171717;
  --muted: #5f6368;
  --line: #dedbd6;
  --paper: #fffdf9;
  --canvas: #f3eee7;
  --accent: #1769aa;
  --accent-soft: #eaf4fb;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--canvas);
  color: var(--ink);
  font: 16px/1.7 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

main {
  width: min(820px, calc(100% - 32px));
  margin: 40px auto;
  padding: clamp(28px, 6vw, 64px);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: 0 18px 55px rgb(71 58 42 / 9%);
}

header { margin-bottom: 42px; text-align: center; }
.language-switcher { display: flex; justify-content: flex-end; gap: 6px; margin: -24px -24px 28px 0; }
.language-switcher button { padding: 7px 12px; border: 1px solid var(--line); border-radius: 999px; background: transparent; color: var(--muted); font: inherit; font-size: 13px; font-weight: 650; cursor: pointer; }
.language-switcher button[aria-pressed="true"] { border-color: var(--accent); background: var(--accent); color: #fff; }
.eyebrow { margin: 0 0 8px; color: var(--accent); font-size: 13px; font-weight: 750; letter-spacing: .16em; text-transform: uppercase; }
h1 { margin: 0; font-size: clamp(34px, 7vw, 52px); line-height: 1.05; letter-spacing: -.035em; }
.effective { margin: 14px 0 0; color: var(--muted); font-size: 14px; }
h2 { margin: 36px 0 10px; font-size: 22px; line-height: 1.3; letter-spacing: -.015em; }
h3 { margin: 24px 0 8px; font-size: 17px; }
p, li { color: #303236; }
a { color: var(--accent); font-weight: 600; text-underline-offset: 3px; }
ul { padding-left: 24px; }
code { padding: 2px 6px; border-radius: 5px; background: #f0ede8; font-size: .92em; }
.summary { padding: 20px 24px; background: var(--accent-soft); border: 1px solid #c8e1f2; border-radius: 12px; }
.summary h2 { margin-top: 0; font-size: 18px; }
.summary ul { margin-bottom: 0; }
.notice { margin-bottom: 20px; padding: 18px 22px; border: 1px solid #c8e1f2; border-radius: 12px; background: #f6fbff; }
.notice p { margin: 5px 0 0; }
.contact { padding: 20px 24px; border-left: 4px solid var(--accent); background: #f7f5f1; }
nav { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px 20px; margin-top: 42px; padding-top: 24px; border-top: 1px solid var(--line); }
footer { width: min(820px, calc(100% - 32px)); margin: -18px auto 40px; color: var(--muted); text-align: center; font-size: 13px; }

@media (max-width: 560px) {
  main { width: 100%; margin: 0; padding: 28px 20px 42px; border: 0; border-radius: 0; box-shadow: none; }
  .language-switcher { margin: 0 0 26px; }
  footer { margin: 20px auto 32px; }
}