@charset "UTF-8";

/* base color */
:root {
  --black-color: #000;
  --white-color: #fff;
  --main-color: #5d9ab2;
  --accent-color: #bf6a7a;
  --dark-main-color: #2b5566;
  --text-bright-color: #fff;
  --icon-color: #fff;
  --icon-bk-color: #ddd;
  --large-width: 1980px;
  --background-gray: #f8f8f8;
  --default-font-size-mobile: 1.4em;
  --defalut-font-size-tablet: 1.6em;
  --default-font-size-desktop: 1.8em;
}

body {
  font-size: 62.5%;
  overflow-x: hidden;
  font-family: "hiragino kaku gothic pro", "ヒラギノ角ゴ pro w3", "メイリオ",
    meiryo, sans-serif;
  background-color: var(--background-gray);
}

h1 {
  font-size: 2em;
  font-weight: bold;
}

h2 {
  font-size: 1.8em;
  font-weight: bold;
  margin: 0;
  margin-bottom: 10px;
}

h3 {
  font-size: 1.6em;
  font-weight: 700;
}

p {
  font-size: 1.4em;
  line-height: 1.5;
}

a {
  color: var(--black-color);
  text-decoration: none;
}

a:hover {
  opacity: 0.5;
}

ul {
  padding-left: 0;
}

li {
  list-style: none;
}

@media (min-width: 768px) {
  h1 {
    font-size: 2.6em;
  }
  h2 {
    font-size: 2em;
  }
  h3 {
    font-size: 1.8em;
  }
  p {
    font-size: 1.6em;
  }
}

@media screen and (min-width: 1920px) {
  h2 {
    font-size: 2.4em;
  }

  p {
    font-size: 1.8em;
  }
}