/* ===== Reset / Base ===== */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  background-color: #0b0b0f;
  color: #e9e9f1;
  font-family: system-ui, -apple-system, BlinkMacSystemFont,
               "Segoe UI", "Noto Sans JP", sans-serif;
  line-height: 1.6;
}

/* Links */
a {
  color: inherit;
  text-decoration: none;
}

/* Container */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ===== a11y / usability ===== */
.skip-link{
  position: absolute;
  left: -9999px;
  top: 8px;
  padding: 10px 12px;
  border-radius: 10px;
  background: #12121a;
  border: 1px solid #2a2a36;
  color: #e9e9f1;
  z-index: 9999;
}
.skip-link:focus{
  left: 12px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  * {
    scroll-behavior: auto !important;
    transition: none !important;
    animation: none !important;
  }
}