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

html,
body,
h1,
h2,
h3,
h4,
h5,
h6,
ul,
ol,
dl,
li,
dt,
dd,
p,
div,
span,
img,
a,
table,
tr,
th,
td,
small,
button,
time,
figure {
  border: 0;
  font: inherit;
  font-size: 100%;
  margin: 0;
  padding: 0;
  vertical-align: baseline;
}

html {
  line-height: 1;
}

ol,
ul {
  list-style: none;
}

li,
dd {
  list-style-type: none;
}

header,
footer,
nav,
section,
article,
main,
aside,
figure,
figcaption {
  display: block;
}

img {
  border: none;
  vertical-align: bottom;
}


/* スタイルを当てやすいように追加 */
picture,
img,
a,
span {
  display: inline-block;
}
a {
  color: inherit;
  text-decoration: none;
}
video,
img,
svg {
  width: 100%;
  height: 100%;
}
button {
  font: inherit;
  color: inherit;
  background: transparent;
  background: none;
  border: none;
}
input,
textarea,
select {
  font: inherit;
}