html {
  color-scheme: dark;
}

body {
  margin: 0;
  background-color: #222;
  font-family: "Noto Sans KR", sans-serif;
  font-size: 4vmin;
  color: #ddd;
  line-height: 1.25;
  word-break: keep-all;
  touch-action: manipulation;
}

div {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

a {
  color: #88f;
  text-decoration: none;
}

a:hover {
  color: #f88;
}

img {
  border-radius: 22.5%;
  width: 10vmin;
  height: 10vmin;
}

.d-n {
  display: none;
}

.m-a {
  margin: auto;
}

.mt-5 {
  margin-top: 5vmin;
}

.mt-10 {
  margin-top: 10vmin;
}

.mr-5 {
  margin-right: 5vmin;
}

.mb-20 {
  margin-bottom: 20vmin;
}

.w-10 {
  width: 10vmin;
}

.w-75 {
  width: 75vmin;
}

.w-90 {
  width: 90vmin;
}

.h-10 {
  height: 10vmin;
}

.fd-r {
  flex-direction: row;
}

.ai-fs {
  align-items: flex-start;
}

.jc-fe {
  justify-content: flex-end;
}

.jc-se {
  justify-content: space-evenly;
}

.fs-2 {
  font-size: 2vmin;
}

.fs-6 {
  font-size: 6vmin;
}

.fs-8 {
  font-size: 8vmin;
}

.c-gray {
  color: #888;
}