html, body {
  width: 100%;
  height: 100%;
  margin: 0;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  font-family: "Noto Sans JP";
}

body:after {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  content: "";
  z-index: -1;
  background-size: 200% 200%;
  animation: gradient 13s ease infinite;
}

main {
  width: 100%;
  height: 100%;
  padding: 20px;
  padding-bottom: 150px;
  display: flex;
  justify-content: center;
  align-items: center;
}

#nojs {
  width: 100%;
  height: 100%;
  background: #fff;
  position: fixed;
  padding: 30px;
  padding-bottom: 70px;
  display: flex;
  text-align: center;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  z-index: 1;
}

footer {
  text-align: center;
  position: fixed;
  left: 0;
  bottom: 0;
  width: 100%;
  color: #000;
}

a {
  text-decoration: none !important;
  transition: transform 0.2s;
}
a:active {
  transform: scale(0.95);
}

button {
  cursor: auto;
  -webkit-user-select: none;
  -moz-user-select: none;
  user-select: none;
}

img.emoji {
  height: 1em;
  width: 1em;
  margin: 0.05em 0.1em;
  vertical-align: -0.1em;
}

.attention {
  background: azure;
  border-radius: 10px;
  margin: 20px;
  margin-top: 70px;
  padding: 20px;
}
.attention p {
  width: 90%;
  margin: 0 auto;
}

.birthday {
  background: rgba(48, 249, 210, 0.4);
  border-radius: 10px;
  margin: 0 auto 0;
  padding: 20px;
  width: 50%;
  font-size: 110%;
}
.birthday #happy-birthday {
  display: none;
  font-size: 200%;
  justify-content: center;
}
.birthday .count {
  text-align: center;
}
.birthday .count-num {
  font-size: 240%;
}

@media (max-width: 770px) {
  .birthday {
    background: none;
    width: 80%;
    min-width: none;
  }
}
.link {
  width: 16px;
  height: 16px;
}

.glass-filter {
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
}

@supports not ((-webkit-backdrop-filter: blur(5px)) or (backdrop-filter: blur(5px))) {
  .glass-filter {
    background-color: rgba(255, 255, 255, 0.4);
  }
}
@media all and (-ms-high-contrast: none) {
  * {
    font-size: initial;
  }
  .glass-filter {
    background-color: rgba(255, 255, 255, 0.5);
  }
}
.sub-txt {
  font-size: 80%;
  text-align: center;
}

.box {
  position: relative;
  border-radius: 10px;
  background: rgba(48, 249, 210, 0.4);
  padding: 40px;
  width: 90%;
  min-width: 400px;
  max-width: 500px;
  height: 300px;
  text-align: center;
}
.box p {
  font-size: 20px;
  font-size: clamp(30px, 5vw, 15px);
}

#click {
  font-size: 200%;
}

#voice {
  cursor: pointer;
  -webkit-user-select: none;
     -moz-user-select: none;
          user-select: none;
  background: #fff;
  border: solid 2px #30f9d2;
  padding: 10px;
  font-size: 20px;
  font-size: clamp(30px, 8vw, 20px);
  width: 70%;
  min-width: 200px;
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: inline-block;
  transition: all 0.3s;
  text-align: center;
}
#voice:hover {
  background: #30f9d2;
  border-radius: 40px;
}

@media (max-width: 500px) {
  .box,
  .birthday {
    background: none;
    width: 100%;
    min-width: none;
  }
}/*# sourceMappingURL=main.css.map */