* {
    box-sizing: border-box;
}

html,
body,
div,
section,
header,
footer,
aside,
ul,
ol,
li,
table,
tr,
th,
td,
button,
input,
textarea,
select,
h1,
h2,
h3,
h4,
h5,
h6,
em,
i,
strong,
p,
span,
blockquote {
    margin: 0;
    padding: 0;
}

h1,
h2,
h3,
h4,
h5,
h6,
th,
i,
input,
textarea,
button,
select {
    font-weight: normal;
    font-style: normal;
}

ul,
ol {
    list-style: none;
    vertical-align: top;
}

table,
td,
th {
    border-collapse: collapse;
    border-spacing: 0;
}

input,
button,
select,
textarea {
    outline: none;
    background: none;
}

textarea {
    resize: none;
}

img,
a img {
    border: none;
    vertical-align: top;
    pointer-events: none;
}

a {
    text-decoration: none;
    color: #fff;
}

html {
    width: 100%;
    height: 100%;
}

html {
    font-size: 100px;
}

@media (min-width: 320px) and (max-width: 750px) {
    html { font-size: 13.33333vw; }
}

@media (min-width: 751px) and (max-width: 960px) {
    html { font-size: 100px; }
}

@media (min-width: 961px) {
    html { font-size: 5.20833vw; }
}

body {
    background: #000;
    width: 100%;
    height: 100%;
    min-width: 320px;
    display: flex;
    flex-direction: column;
    align-items: center;
    font-family: 'Avenir', Helvetica, Arial, sans-serif;
    font-size: 0.14rem;
    color: #fff;
    user-select: none;
}

.hidden { display: none; }

@media (min-width: 961px) {
    .pc\:block { display: block; }
    .pc\:hidden { display: none; }
}

.is-off { display: none !important; }