:root {
  --text-color1: #333333;
  --text-color2: #FFFFFF;
  --text-emphasis-color: #840000;
  --theme-color: #003D34;
  --sub-color1: #598371;
  --accent-color: #FFE024;
  --achromatic-color1: #E0DEE0;
  --font-family-sansserif: "Hiragino Sans W3", "Hiragino Kaku Gothic ProN", "ヒラギノ角ゴ ProN W3", "游ゴシック", YuGothic, "メイリオ", Meiryo, "ＭＳ Ｐゴシック", "MS PGothic", sans-serif;
  --font-family-serif: "Hiragino Mincho ProN W3", "ヒラギノ明朝 ProN W3", "Hiragino Mincho ProN", "游明朝", YuMincho, "HG明朝E", "ＭＳ Ｐ明朝", "ＭＳ 明朝", serif;
  font-size: 62.5%;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--text-base-color);
  font-family: var(--font-family-serif);
  font-size: 1.6rem;
  background-color: #FFFFFF;
}

h2 {
  font-size: 3rem;
}

h3 {
  font-size: 2.1rem;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.1;
  text-align: center;
}

h4,
h5,
h6 {
  margin: 0;
  line-height: 1.25;
  text-align: center;
}

p {
  margin-bottom: 0;
  font-size: 1.8rem;
  line-height: 1.5;
}

a {
  transition-duration: 0.3s;
}

a[href*="mailto:"] {
  color: inherit;
  text-decoration: none;
}

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

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

figcaption {
  font-size: 1.2rem;
}

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

iframe {
  max-width: 100%;
  border: none;
}

address {
  font-size: 1.8rem;
  font-style: normal;
  line-height: 1.5;
}

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

@media (min-width: 640px) {
  h2 {
    font-size: 3.6rem;
  }
  h3 {
    font-size: 2.4rem;
  }
}

@media (min-width: 1024px) {
  h2 {
    font-size: 4rem;
  }
  h3 {
    font-size: 3rem;
  }
  p {
    font-size: 2.1rem;
  }
  address {
    font-size: 2.1rem;
  }
}