@charset "utf-8";
body {
  display: grid;
  grid-auto-columns: 100%;
  grid-template-rows: auto 0.95fr auto;
  height: 100dvh;
  font-size: large;
  overflow-wrap: break-word;
  text-underline-offset: 0.15em;

  & > header {
    margin-bottom: 0.8em;
    display: grid;
    gap: 2em;
  }
}

header {
  & > nav {
    font-size: 1.1em;
    box-sizing: border-box;
    padding-bottom: 0.8em;
    border-bottom: 0.2em solid #555;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(5em, 1fr));
    max-width: 95dvw;
    gap: 0.8rem;
    place-items: center;
    place-content: center;
    place-self: start;
  }

  & > nav:has(a[href="../index.html"]) {
    place-self: center;
  }

  & > h1 {
    margin-bottom: 0;
    margin-block: 0.67em;
    font-size: 2em;
  }

  & > time {
    font-size: 1rem;
  }
}

article {
  padding-bottom: 2rem;
  padding-top: 0.5rem;

  & h1, h2 {
    font-feature-settings: "palt" 1;
  }
  
  & > dl > dd:has(+ dt) {
    margin-bottom: 0.5rem;
  }
}

blockquote {
  & div {
    padding: 1em;
    border-radius: 0.6rem;
    border-style: solid;
    border-width: thin;
  }

  & *:first-child {
    margin-top: 0;
  }

  & *:last-child {
    margin-bottom: 0;
  }

  & p::before {
    content: '\201C';
  }

  & p::after {
    content: '\201D';
  }
}

code {
  border-radius: 0.3rem;
  padding: 0.1rem 0.2rem;
  margin: 0 0.1em;
  border-style: solid;
  border-width: thin;
}

pre code {
  border-radius: 0.6rem;
  padding: 1rem;
  display: block;
  overflow-x: auto;
}

img {
  max-width: 100%;
  height: auto;
}

hr {
    width: 100%;
}

ul:has( a) {
  display: grid;
  gap: 0.2rem;
}

.center {
  text-align: center;
}

.banner {
    --banner-width: 300px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(var(--banner-width), 1fr));
    max-width: 100dvw;
    gap: 0.5rem;
    place-items: center;

    & > a > img {
      width: var(--banner-width);
      height: auto;
    }
}

/* メディアクエリ */
@media  (min-width: 40em) {
article {
  padding-left: 1rem;
  padding-right: 1rem;
}
}

@media  (min-width: 80em) {
article {
  max-width: 80rem;
  margin-left: auto;
  margin-right: auto;
}

body > header > h1, body > footer {
  padding-left: 0.5rem;
}
}

@media (max-width: 35rem) {
blockquote {
  margin-left: 0rem;
  margin-right: 0rem;
}

header > nav {
  place-self: center;
}
}

@media print {
a {
  color:#000;
}
}

/* 色 */
@media screen{

body {
  background-color: #e8eeed;
}

blockquote div {
  background: #b7dcd5;
  border-color: #000;
}

code {
  background-color: #cae0d9;
  border-color: #389982;
}

pre code {
  background-color: #f6f5f5;
  border-color: #000;
}

a {

  &:link {
    color: #014888;
  }

  &:visited {
    color:#606;
  }

  &:focus, &:hover {
    color: #000;
    background-color: #aadbe8;
  }
}


@media screen and (prefers-color-scheme: dark) {
body {
  background-color: #012824;
  color: #e6e6e6;
}

article {
   color: #e6e6e6;
}
a:link {
  color: #c2dbff;
}
a:visited {
  color: #f5ccf7;
}

a:focus,
a:hover {
  color: #fff;
  background-color: #3e7e6c;
}

blockquote div {
  color: #fff;
  border-color: #e6e6e6;
  background: #2f645c;
}
code {
  color: #f2f2f2;
  background-color: #1c534b;
}
pre code {
  border-color: #e6e6e6;
  color: #ececec;
  background-color: #202224;
}
}