/* modern reset for FFFFFF */

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

html {
    font-size: 62.5%;
  -webkit-text-size-adjust: 100%;
  -moz-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body, h1, h2, h3, h4, h5, h6, p, figure, blockquote, dl, dd, ul, ol, li {
  margin: 0;
  padding: 0;
}

ul, ol {
  list-style: none;
}

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

input, button, textarea, select {
  font: inherit;
  background: none;
  border: none;
}

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

table {
  border-collapse: collapse;
  border-spacing: 0;
}

/* optional for accessibility / smoothness */
body {
  line-height: 1.5;
}
button, input, select, textarea {
  color: inherit;
}

img {
  vertical-align: bottom; /* 画像の下に隙間が空くのを防ぐ */
}

button:focus, input:focus, textarea:focus, a:focus {
  outline: none; /* 必要に応じてfocus挙動をコントロール */
}