/* リセット / ベース要素 / フォーカスリング */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; }

html, body { height: 100%; }

body {
  font-family: var(--font-jp);
  font-size: 16px;
  line-height: 1.8;
  color: var(--c-text);
  background: var(--c-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, picture, video, canvas, svg { display: block; max-width: 100%; }
input, button, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--c-accent-hi); }
ul, ol { list-style: none; padding: 0; }
table { border-collapse: collapse; width: 100%; }

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-jp);
  line-height: 1.35;
  font-weight: 700;
  letter-spacing: .01em;
}
h1 { font-size: var(--fs-7); }
h2 { font-size: var(--fs-6); }
h3 { font-size: var(--fs-5); }
h4 { font-size: var(--fs-4); }

p { max-width: 72ch; }

.numeric, .fs-numeric {
  font-family: var(--font-en);
  font-variant-numeric: tabular-nums;
}

:focus-visible {
  outline: 2px solid var(--c-cyan);
  outline-offset: 2px;
}

::selection { background: var(--c-accent-dim); color: var(--c-text); }

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: var(--z-modal);
  background: var(--c-accent);
  color: #fff;
  padding: var(--sp-2) var(--sp-4);
}
.skip-link:focus { left: var(--sp-2); top: var(--sp-2); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }
}

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--c-bg-elev-1); }
::-webkit-scrollbar-thumb { background: var(--c-line-strong); border-radius: var(--radius); }