html {
  font-size: 62.5%;
  scroll-behavior: smooth;
}

a {
  color: inherit;
  text-decoration: none;
}

a:hover {
  opacity: 0.8;
}

i {
  margin-right: 5px;
}

img {
  max-width: 100%;
  height: auto;
  vertical-align: bottom;
}

iframe {
  width: 100%;
  height: 100%;
  vertical-align: bottom;
}

body {
  overflow: scroll;
  font-family: "游ゴシック体", YuGothic, "Yu Gothic M", "游ゴシック Medium", "Yu Gothic Medium", "ヒラギノ角ゴ ProN W3", "Hiragino Kaku Gothic ProN W3", HiraKakuProN-W3, "ヒラギノ角ゴ ProN", "Hiragino Kaku Gothic ProN", "ヒラギノ角ゴ Pro", "Hiragino Kaku Gothic Pro", "メイリオ", Meiryo, Osaka, "ＭＳ Ｐゴシック", "MS PGothic", "Helvetica Neue", HelveticaNeue, Helvetica, Arial, "Segoe UI", "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
  font-size: clamp(1.4rem, 1.4vw, 1.8rem);
  font-weight: 400;
  font-feature-settings: "palt";
  line-height: 1.6;
  color: #727171;
  letter-spacing: 0.12rem;
  background-color: #fff;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  letter-spacing: 0;
}

/* font */
.noto {
  font-family: 'Noto Serif JP', serif;
}

.text-c {
  text-align: center;
}

.flex {
  display: flex;
  flex-wrap: wrap;
}

picture {
  display: block;
}