:root { color-scheme: light; --ink: #14213d; --muted: #52606d; --line: #d9e1e8; --surface: #f6f8fa; --accent: #075985; --focus: #b45309; }
* { box-sizing: border-box; }
body { margin: 0; background: var(--surface); color: var(--ink); font: 16px/1.65 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
a { color: var(--accent); text-underline-offset: .18em; }
a:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; }
.skip-link { position: absolute; left: -9999px; top: 0; background: white; padding: .65rem 1rem; }
.skip-link:focus { left: 1rem; top: 1rem; z-index: 2; }
header { background: #102a43; color: white; border-bottom: 4px solid #38bdf8; }
.wrap { width: min(100% - 2rem, 760px); margin: auto; }
header .wrap { padding: 2.6rem 0 2.2rem; }
header p { color: #dbeafe; margin-bottom: 0; }
main { background: white; margin: 2rem auto; padding: clamp(1.4rem, 5vw, 3rem); border: 1px solid var(--line); border-radius: 12px; box-shadow: 0 8px 28px rgb(15 23 42 / .07); }
h1, h2 { line-height: 1.2; }
h1 { margin: 0; font-size: clamp(2rem, 6vw, 3rem); }
h2 { margin-top: 2.35rem; font-size: 1.35rem; }
.intro { font-size: 1.15rem; }
.app-card { border: 1px solid var(--line); border-radius: 8px; padding: 1.25rem; margin: 1rem 0; }
.app-card h2 { margin: 0 0 .5rem; }
.placeholder { background: #fff7ed; border-left: 4px solid #ea580c; padding: .85rem 1rem; }
.notice { background: #eff6ff; border-left: 4px solid #2563eb; padding: .85rem 1rem; }
.button { display: inline-block; background: var(--accent); color: white; font-weight: 700; padding: .75rem 1rem; border-radius: 7px; text-decoration: none; }
.button:hover { background: #064a6b; }
.button:focus-visible { outline-color: var(--focus); }
.faq { margin: 1rem 0; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
.faq + .faq { margin-top: .75rem; }
.faq summary { cursor: pointer; font-weight: 700; padding: 1rem 1.1rem; }
.faq summary:hover { background: #f8fafc; }
.faq p, .faq ul { margin: 0; padding: 0 1.1rem 1.1rem; }
.faq ul { padding-left: 2.5rem; }
.contact-list { padding-left: 1.25rem; }
footer { color: var(--muted); font-size: .9rem; padding-bottom: 2rem; }
@media (max-width: 480px) { .wrap { width: min(100% - 1.25rem, 760px); } main { margin: 1rem auto; } }