@charset "utf-8";
/* CSS Document */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@100..900&display=swap');

html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, img, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var,
b, u, i, center,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, embed, 
figure, figcaption, footer, header, hgroup, 
menu, nav, output, ruby, section, summary,
time, mark, audio, video, select, option, input, textarea {
	margin: 0;
	padding: 0;
	border: 0;
	font-size: 100%;
	font: inherit;
	vertical-align: baseline;
	font-family: "Noto Sans JP", sans-serif;
	line-height: 1.8;
	font-weight: 400;
	box-sizing: border-box;
}
.jumbotron h1 {
    font-size: clamp(24px, 1.875vw, 36px);
}
.container .btn-primary {
    background-color: #c30d23;
    border-color: #c30d23;
    width: 100%;
    max-width: 375px;
    margin: 50px auto;
    display: block;
    padding: 20px;
    font-weight: bold;
    letter-spacing: 0.05em;
}
.container .btn-secondary {
    width: 100%;
    max-width: 375px;
    margin: 50px auto;
    display: block;
    padding: 20px;
    font-weight: bold;
    letter-spacing: 0.05em;
    background-color: #999;
    border-color: #999;
}
.jumbotron {
    border-radius: 0;
    position: relative;
}
.jumbotron::before {
    width: 100%;
    height: 2px;
    background: #c30d23;
    top: 0;
    left: 0;
    content: "";
    position: absolute;
}
::placeholder {
    color: #ccc !important;
}