/* リセット */
*, *::before, *::after {
  box-sizing: border-box;
}
html,
body,
h1,
h2,
h3,
h4,
h5,
h6,
p,
a,
ul,
li,
figure,
dl,
dd,
dt,
hr,
table,
tr,
td,
th {
  margin: 0;
  padding: 0; 
}
a {
  text-decoration: none;
}
li {
  list-style: none;
}
img {
  width: 100%;
  height: auto;
  display: block;
}
textarea {
  width: 100%;
}
button:focus {
  outline: none;
}