body {
  padding: 0px;
  margin: 0px;
  background-color: #f2f2f2;
  font-family: "Noto Sans JP", "Hiragino Kaku Gothic Pro", "ヒラギノ角ゴ Pro W3",
    Meiryo, メイリオ, "游ゴシック Medium", "Yu Gothic Medium", "游ゴシック体",
    "Yu Gothic", YuGothic, "MS PGothic", Osaka, arial, sans-serif;
  color: #1c1c1c;
}

header {
  height: 48px;
  background-color: #f2f2f2;
}

.head {
  display: flex;
  justify-content: space-between;
}

.blog-title {
  display: block;
  margin-left: 12px;
  text-decoration: none;
  color: #1c1c1c;
}
.blog-title:active {
  color: #1c1c1c;
}

.hamburger {
  margin: 0px;
  margin-right: 12px;
  width: 40px;
  height: 24px;
  position: relative;
  /* position: absolute; */
  top: 10px;
  cursor: pointer;
}

.hamburger span {
  position: absolute;
  width: 100%;
  height: 2px;
  background-color: rgb(94, 94, 94);
}

.hamburger span:first-of-type {
  top: 0;
}

.hamburger span:nth-of-type(2) {
  top: 50%;
}

.hamburger span:last-of-type {
  top: 100%;
}

.hamburger.active > span:first-of-type {
  top: 50%;
  transform: translateY(-50%) rotate(45deg);
}

.hamburger.active > span:nth-of-type(2) {
  display: none;
}

.hamburger.active > span:last-of-type {
  top: 50%;
  transform: translateY(-50%) rotate(-45deg);
}

.main-body {
  display: flex;
  justify-content: center;
  background-color: #fff;
  padding: 30px 0;
}

.slide-menu {
  background-color: rgba(255, 255, 255, 0.8);
  position: fixed;
  top: 48px;
  width: 100%;
  left: 0;
  transform: translateX(100%);
  text-align: center;
}

.slide-menu.active {
  transform: translateX(0);
}

.slide-menu a {
  display: block;
  margin: 2px;
  width: 85%;
  max-width: 1200px;
  text-align: center;
  color: #1c1c1c;
}

.slide-menu a:active {
  color: #1c1c1c;
}

footer {
  /* border-top: 1px solid #aaaaaa; */
  padding-top: 24px;
  margin-top: 24px;
  background-color: #f2f2f2;
  color: rgb(88, 88, 88);
  text-align: center;
}

.footer-inner {
  display: inline-block;
  text-align: left;
  max-width: 1200px;
  width: 85%;
}

footer a {
  color: rgb(88, 88, 88);
  text-decoration: none;
}

.footer-nav {
  padding: 0 20px;
}

.footer-nav a {
  display: block;
  padding: 5px 0;
  margin: 2px 0;
}

.copyright {
  font-size: small;
}

main {
  max-width: 1200px;
  width: 85%;
  background-color: #fff;
}

.article-link {
  display: block;
  border-bottom: 1px solid #aaaaaa;
  padding: 5px;
  color: #1c1c1c;
  text-decoration: none;
}

.article-date {
  color: #aaaaaa;
  font-size: small;
}

.article-nav {
  display: flex;
  justify-content: space-between;
  border-top: 1px solid #aaaaaa;
  margin: 20px 0;
}

.article-nav > a {
  display: block;
}

.hashtag {
  text-decoration: none;
  color: #4d6bf1;
  display: inline-block;
  padding: 1px;
  margin: 1px;
}

.hashtag::before {
  content: "#";
}