@font-face {
  font-family: 'Marcellus';
  font-weight: 400;
  src: url('../fonts/Marcellus/Marcellus-Regular.ttf') format('truetype');
  font-display: swap;
}

@font-face {
  font-family: 'Noto Sans JP';
  font-weight: 300;
  src: url('../fonts/Noto_Sans_JP/NotoSansJP-Light.woff2') format('woff2'),
       url('../fonts/Noto_Sans_JP/NotoSansJP-Light.ttf') format('truetype');
  font-display: swap;
}

:root {
  --text-base-color: #000000;
  --text-emphasis-color: #840000;
  --accent-color: #19274e;
  --sub-color1: #1b0046;
  /*--sub-color2: ;*/
  --font-family-sansserif: Helvetica, "Segoe UI", Arial, sans-serif;
  --font-family-serif: "Times New Roman", serif;
  --font-family-Marcellus: 'Marcellus', serif;
  font-size: 62.5%;
}

* {
  box-sizing: border-box;
}

body {
  position: relative;
  margin: 0;
  color: var(--text-base-color);
  font-family: var(--font-family-sansserif);
  font-size: 1.6rem;
  -webkit-text-size-adjust: 100%;
}

h1 {
  font-size: 2.8rem;
}

h2 {
  font-size: 3rem;
}

h3 {
  font-size: 2.4rem;
}

h4 {
  font-size: 1.8rem;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: var(--font-family-serif);
  font-weight: normal;
  line-height: 1.25;
  text-align: center;
}

h4,
h5,
h6 {
  margin: 0;
  font-family: var(--font-family-serif);
  font-weight: normal;
  line-height: 1.5;
}

p {
  margin-bottom: 0;
  font-weight: 300;
  line-height: 1.5;
}

img,
video {
  max-width: 100%;
  height: auto;
  vertical-align: top;
}

figure {
  margin: 0;
  text-align: center;
  /*line-height: 0;*/
}

figcaption {
  font-size: 1.2rem;
  font-weight: 300;
}

nav ul {
  margin: 0;
  padding-left: 0;
  list-style-type: none;
}

address {
  font-style: normal;
}

sup,
sub {
  font-size: 1rem;
}

iframe {
  border: none;
}

button {
  padding: 0;
  background-color: transparent;
  border: none;
}

input,
textarea {
  padding: 12px;
  width: 100%;
  font-size: 1.6rem;
}

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="number"],
textarea {
  background-color: #ffffff;
  border: solid 1px #999999;
}

input[type="radio"],
input[type="checkbox"] {
  width: auto;
}

@media (max-width: 639px) {
  html {
    scroll-padding-top: 199px;
  }
  h2 {
    font-size: 2.4rem;
  }
  h3 {
    font-size: 2.1rem;
  }
  h4 {
    font-size: 1.6rem;
  }
}