/* ==============================================================
   reset.css — 一般的なリセット用の固定CSS
   ============================================================== */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body,
div,
span,
h1,
h2,
h3,
h4,
h5,
h6,
p,
a,
img,
ul,
li,
button,
input,
textarea,
section,
header,
footer,
nav,
figure {
  margin: 0;
  padding: 0;
  border: 0;
  font: inherit;
  vertical-align: baseline;
}

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

body {
  line-height: 1;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

ul,
ol {
  list-style: none;
}

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

button {
  background: none;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  text-align: inherit;
}

img,
picture {
  display: block;
  border: 0;
}