/**
 * reset.css — CSS リセット
 */

*, *::before, *::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

body {
  margin: 0;
  padding: 0;
  min-height: 100dvh;
}

h1, h2, h3, h4, h5, h6 {
  margin: 0;
  font-weight: inherit;
  line-height: 1.2;
}

p {
  margin: 0;
}

ul, ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

a {
  color: inherit;
  text-decoration: none;
}

img, svg, video {
  display: block;
  max-width: 100%;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  padding: 0;
  font: inherit;
  color: inherit;
}

input, textarea, select {
  font: inherit;
}

figure {
  margin: 0;
}

address {
  font-style: normal;
}

/* アクセシビリティ: スクリーンリーダー専用 */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* フォーカスリング */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}