@import url("https://fonts.googleapis.com/css2?family=Noto+Serif+JP&display=swap&subset=japanese");
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  height: 100%;
}

body {
  font-family: "Noto Serif JP", serif;
  height: 100%;
}

img {
  max-width: 100%;
}

/* Header */
header {
  z-index: 100;
  position: fixed;
  background-color: black;
  width: 100%;
  display: inline-block;
  align-items: center;
  height: 64px;
  margin: 0 auto;
  padding: 0;
}

.header_title {
  cursor: pointer;
  font-weight: bold;
  font-size: 24px;
  color: white;
  text-decoration: none;
  margin: 0;
  padding: 14px 20px;
  height: 64px;
  display: inline-block;
  position: absolute;
}
.header_title:hover {
  color: lightgray;
}

#global_nav {
  display: none;
}

#mobile_nav {
  box-sizing: border-box;
  position: fixed;
  top: 64px;
  display: none;
  width: 100%;
  margin: 0;
  padding: 0;
  height: 320px;
  background-color: black;
  opacity: 0.9;
}
#mobile_nav ul {
  position: absolute;
  top: 0;
  left: 0;
  list-style: none;
  width: 100%;
}

.nav_item {
  cursor: pointer;
  font-weight: bold;
  list-style: none;
  color: white;
  text-decoration: none;
  display: block;
  padding: 20px;
  height: 64px;
}
.nav_item:hover {
  color: lightgray;
}

#nav_toggle {
  cursor: pointer;
  z-index: 200;
  box-sizing: border-box;
  position: absolute;
  top: 0;
  right: 0;
  display: inline-block;
  width: 64px;
  height: 64px;
}
#nav_toggle span {
  position: absolute;
  top: 16px;
  left: 16px;
  display: inline-block;
  width: 32px;
  height: 2px;
  border-radius: 2px;
  background-color: white;
  vertical-align: top;
  transition: all 0.4s ease-in-out;
}
#nav_toggle span:nth-child(1) {
  margin-top: calc(7px * 1);
}
#nav_toggle span:nth-child(2) {
  margin-top: calc(7px * 2);
}
#nav_toggle span:nth-child(3) {
  margin-top: calc(7px * 3);
}
#nav_toggle.open span {
  background-color: lightgray;
}
#nav_toggle.open span:nth-child(1) {
  translate: 0 calc(7px * (2 - 1));
  rotate: calc(-45deg * (2 + 1));
  opacity: mod(1, 2);
}
#nav_toggle.open span:nth-child(2) {
  translate: 0 calc(7px * (2 - 2));
  rotate: calc(-45deg * (2 + 2));
  opacity: mod(2, 2);
}
#nav_toggle.open span:nth-child(3) {
  translate: 0 calc(7px * (2 - 3));
  rotate: calc(-45deg * (2 + 3));
  opacity: mod(3, 2);
}

/* Main */
main {
  margin: 0 auto;
  padding: 79px 15px 15px;
  max-width: 1024px;
}

.posts_list {
  margin: 0 20px;
}

.concert_list {
  margin: 0 20px;
}

/* Footer */
footer {
  position: sticky;
  top: 100vh;
  width: 100%;
  margin: 15px 0 0 0;
  padding: 15px;
  background-color: black;
  color: white;
  text-align: center;
  display: block;
}

@media screen and (min-width: 768px) {
  #global_nav {
    display: inline-block;
    position: absolute;
    top: 0;
    right: 0;
    width: auto;
    height: auto;
    margin-right: 15px;
    opacity: 1;
    height: 64px;
  }
  #global_nav ul {
    position: relative;
    top: 0;
    left: 0;
    transform: unset;
  }
  #global_nav ul li {
    display: inline-block;
    padding: 0;
  }
  #mobile_nav {
    display: none;
  }
  #nav_toggle {
    display: none;
  }
}

/*# sourceMappingURL=style.css.map */