@font-face {
  font-family: "IBM Plex Sans";
  src: url("/fonts/IBMPlexSans-Regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "IBM Plex Sans";
  src: url("/fonts/IBMPlexSans-Medium.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "IBM Plex Sans";
  src: url("/fonts/IBMPlexSans-SemiBold.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

* {
  box-sizing: border-box;
}

html {
  font-size: 112.5%;
  color-scheme: light;
}

html.dark,
html[data-theme="dark"] {
  color-scheme: dark;
}

body {
  margin: 0;
  background: var(--c-bg);
  color: var(--c-text-primary);
  font-family:
    "IBM Plex Sans",
    "Hiragino Kaku Gothic ProN",
    "Noto Sans JP",
    "Yu Gothic",
    "Meiryo",
    sans-serif;
  line-height: 1.5;
  letter-spacing: 0;
}

a {
  color: var(--c-interactive);
}

button,
input,
select,
textarea {
  font: inherit;
}

button,
select {
  cursor: pointer;
}

button:disabled,
input:disabled,
select:disabled,
textarea:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

:focus-visible {
  outline: 2px solid var(--c-focus);
  outline-offset: 2px;
}

::selection {
  background: var(--c-interactive);
  color: var(--c-text-on-dark);
}