/* CSS Document */
*,
*:before,
*:after {
  -webkit-box-sizing: border-box;
  -o-box-sizing: border-box;
  -ms-box-sizing: border-box;
  box-sizing: border-box;
}

/*----------------------------------------------------------------------
//////////■■■■base style■■■■//////////
----------------------------------------------------------------------*/
html {
  font-size: 62.5%;
  scroll-behavior: smooth;
}

body {
  color: #222222;
  font-size: clamp(1.6rem, 2.2vw, 2.2rem);
  font-weight: 500;
  font-family: "Helvetica Neue", "Helvetica", "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Arial", "Yu Gothic", "Meiryo", sans-serif;
  word-wrap: break-word;
  overflow-wrap: break-word;
  -webkit-text-size-adjust: 100%;
  letter-spacing: 0em;
  line-height: 1.75;
  overflow-x: hidden;
  position: relative;
  min-width: 100%;
  width: 100%;
}

a {
  border: none;
  text-decoration: none;
  outline: none;
  -webkit-transition: all 0.3s;
  transition: all 0.3s;
}

button {
  -webkit-appearance: none;
     -moz-appearance: none;
          appearance: none;
  background-color: transparent;
  border: none;
  cursor: pointer;
  outline: none;
  padding: 0;
  width: 100%;
}

strong {
  font-weight: 500;
}

img {
  display: block;
  width: 100%;
}