:root {
  color-scheme: light;
  --background: #fafaf8;
  --text: #252a29;
  --muted: #68706c;
  --line: #e1e4df;
  --accent: #37644f;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  color: var(--text);
  background: var(--background);
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}
* { box-sizing: border-box; }
body { margin: 0; min-height: 100svh; display: flex; flex-direction: column; }
a { color: inherit; text-decoration: none; }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 5px; border-radius: 3px; }
[hidden] { display: none !important; }
.container { width: min(960px, calc(100% - 96px)); margin-inline: auto; }
.site-header { min-height: 106px; display: flex; align-items: center; justify-content: space-between; gap: 24px; border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; align-items: center; gap: 13px; font-size: 17px; font-weight: 650; letter-spacing: -.3px; }
.brand-mark { display: inline-flex; align-items: center; justify-content: center; width: 44px; height: 44px; border-radius: 12px; background: var(--accent); color: white; font-size: 13px; letter-spacing: -1px; font-weight: 600; }
.nav-link { color: var(--muted); font-size: 13px; white-space: nowrap; }
.nav-link span { margin-left: 9px; }
.nav-link:hover, .footer-links a:hover { color: var(--accent); text-decoration: underline; text-underline-offset: 5px; }
main { flex: 1; }
.intro { padding: 100px 0 90px; }
.eyebrow { margin: 0 0 24px; font-size: 11px; font-weight: 650; letter-spacing: 2px; color: var(--accent); }
h1 { margin: 0; font-size: clamp(28px, 4.3vw, 44px); line-height: 1.6; font-weight: 600; letter-spacing: .025em; overflow-wrap: anywhere; }
.intro-description { margin: 20px 0 0; color: var(--muted); font-size: 15px; line-height: 2; white-space: pre-line; }
.apps-section { padding-bottom: 100px; scroll-margin-top: 32px; }
.section-heading { display: flex; justify-content: space-between; align-items: center; gap: 20px; padding-bottom: 21px; border-bottom: 1px solid var(--line); }
h2 { font-size: 17px; font-weight: 600; margin: 0; }
.section-caption { font-size: 10px; color: var(--muted); letter-spacing: 1.5px; }
.app-card { display: grid; grid-template-columns: 48px 1fr; column-gap: 24px; padding: 32px 0; border-bottom: 1px solid var(--line); }
.app-icon { width: 48px; height: 48px; border-radius: 13px; background: #eaf0e8; color: var(--accent); display: grid; place-items: center; font-weight: 600; font-size: 21px; }
.app-card h3 { font-size: 18px; font-weight: 600; margin: 0; overflow-wrap: anywhere; }
.app-description { color: var(--muted); line-height: 1.9; font-size: 14px; margin: 9px 0 0; white-space: pre-line; }
.app-links { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; }
.app-link { display: inline-flex; align-items: center; gap: 20px; border: 1px solid #ccd6ce; border-radius: 6px; padding: 10px 15px; font-size: 12px; color: var(--accent); background: #fff; transition: background .15s; }
.app-link:hover { background: #edf2eb; }
.app-status { color: var(--muted); font-size: 12px; margin: 16px 0 0; }
.empty-state { padding: 52px 20px; text-align: center; border-bottom: 1px solid var(--line); }
.empty-symbol { color: var(--accent); background: #edf1e9; border-radius: 50%; width: 36px; height: 36px; display: inline-grid; place-items: center; font-size: 22px; }
.empty-state p { font-size: 14px; line-height: 1.9; margin: 15px 0 0; }
.empty-state p.muted { margin-top: 6px; font-size: 12px; }
.muted { color: var(--muted); }
.site-footer { border-top: 1px solid var(--line); padding-block: 28px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 18px; color: var(--muted); }
.site-footer small, .footer-links { font-size: 11px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 20px; }
.skip-link { position: absolute; top: -80px; left: 20px; background: white; padding: 12px; z-index: 1; }
.skip-link:focus { top: 12px; }
@media (max-width: 600px) {
  .container { width: calc(100% - 40px); }
  .site-header { min-height: 86px; gap: 12px; }
  .brand { font-size: 12px; gap: 8px; }
  .brand-mark { width: 32px; height: 32px; border-radius: 9px; flex-shrink: 0; }
  .nav-link { font-size: 11px; }
  .intro { padding: 68px 0 62px; }
  .intro-description { font-size: 14px; }
  .section-caption { display: none; }
  .app-card { column-gap: 16px; }
  .app-links { margin-left: -64px; padding-top: 4px; }
  .apps-section { padding-bottom: 64px; }
  .empty-state { padding-inline: 0; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }
