@charset "UTF-8";
*,
::before,
::after {
  box-sizing: border-box;
  border-style: solid;
  border-width: 0;
}

html {
  line-height: 1.15;
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
  font-size: 62.5%;
}

body {
  margin: 0;
}

main {
  display: block;
}

p,
table,
blockquote,
address,
pre,
iframe,
form,
figure,
dl {
  margin: 0;
}

/* Headings */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-size: inherit;
  line-height: inherit;
  font-weight: inherit;
  margin: 0;
}

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

dt {
  font-weight: bold;
}

dd {
  margin-left: 0;
}

address {
  font-style: inherit;
}

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

strong {
  font-weight: bolder;
}

small {
  font-size: 80%;
}

html {
    scroll-behavior: smooth;
}

body {
  font-family: Arial, "ヒラギノ角ゴ Pro W3", "Hiragino Kaku Gothic Pro", "メイリオ", Meiryo, "ＭＳ Ｐゴシック", "MS PGothic", sans-serif;
  background: whitesmoke;
  color: dimgray;
}

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

main {
    padding: 5% 0;
}
.wrapper {
    margin: 0 auto;
    max-width: 470px;
    text-align: center;
}
h1 {
    font-size: 3rem;
    font-weight: bold;
    font-style: italic;
    padding: 1rem 2rem;
    color: #fff;
    background-image: -webkit-linear-gradient(315deg, #704308 0%, #ffce08 40%, #e1ce08 60%, #704308 100%);
    background-image: linear-gradient(135deg, #704308 0%, #ffce08 40%, #e1ce08 60%, #704308 100%);
    display: inline-block;
}

.wrapper nav {
    margin: 15% 0;
    padding: 0 5%;
}
.wrapper nav h2 {
    font-size: 2rem;
    font-weight: bold;
    position: relative;
    padding: 0 65px;
    text-align: center;
}
.wrapper nav h2:before {
    position: absolute;
    top: calc(50% - 1px);
    left: 0;
    width: 100%;
    height: 2px;
    content: '';
    background: dimgray;
}
.wrapper nav h2 span {
    position: relative;
    padding: 0 1em;
    background: whitesmoke;
}
.wrapper nav ul {
    margin: 15% 0;
    padding: 0 10%;
    font-size: 1.7rem;
}
.wrapper nav ul li {
    margin-bottom: 10%;
}
.sns li:nth-child(1) i {
    color: #c4302b;
}
.sns li:nth-child(2) i {
    background: linear-gradient(135deg, #427eff 0%, #f13f79 70%) no-repeat;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.sns li:nth-child(3) i {
    color: #1877f2;
}
.sns li:nth-child(4) i {
    color: #1DA1F2;
}