* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--bg-page);
  color: var(--text);
  font-family: "Pretendard", "Apple SD Gothic Neo", "Noto Sans KR", system-ui, sans-serif;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

button,
input {
  font-family: inherit;
}

#mri-app {
  min-height: 100vh;
}

h1,
h2,
h3,
h4,
p {
  margin: 0;
}

h2 {
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
}

h3 {
  font-weight: 650;
  letter-spacing: -0.015em;
}

h4 {
  font-weight: 600;
  font-size: 14px;
  color: var(--text-secondary);
  letter-spacing: -0.01em;
}

::selection {
  background: rgba(220, 38, 38, .12);
  color: var(--text);
}