@font-face {
  font-family: 'basier_squarebold';
  src: url('../fonts/basier/basiersquare_bold.woff2') format('woff2');
  font-weight: bold;
  font-style: normal;
}

@font-face {
  font-family: 'basier_regular';
  src: url('../fonts/basier/basiersquare_regular.woff2') format('woff2');
  font-weight: normal;
  font-style: normal;
}

@font-face {
  font-family: 'calendas_plus';
  src: url('../fonts/calendas_plus/calendas_plus.woff2') format('woff2');
  font-weight: normal;
  font-style: normal;
}

@font-face {
  font-family: 'calendas_plus';
  src: url('../fonts/calendas_plus/calendas_plus_bold.woff2') format('woff2');
  font-weight: bold;
  font-style: normal;
}

@font-face {
  font-family: 'calendas_plus';
  src: url('../fonts/calendas_plus/calendas_plus_italic.woff2') format('woff2');
  font-weight: normal;
  font-style: italic;
}

@font-face {
  font-family: 'fira_code';
  src: url('../fonts/fira_code/fira_code_regular.woff2') format('woff2');
  font-weight: normal;
  font-style: normal;
}

@media screen and (min-width: 480px) {
  html {
    font-size: 16px;
  }
  body {
  }
}
@media screen and (min-width: 960px) {
  html {
    font-size: 24px;
  }
  body {
  }
}

html {
  hyphens: auto;
  scroll-behavior: smooth;
  --body-background: rgb(253, 253, 253);
  --main-link-color: rgb(240, 240, 240);
  --hover-link-color: rgb(220, 220, 220);
  --copy-color: #333;
  --base: 1rem;
  --mult: 1.33;
  --small: calc(var(--base) / var(--mult));
  --first: calc(var(--base) * var(--mult));
  --second: calc(var(--first) * var(--mult));
  --third: calc(var(--second) * var(--mult));
  --fourth: calc(var(--third) * var(--mult));
  --fifth: calc(var(--fourth) * var(--mult));
}

body {
  background-color: var(--body-background);
  font-weight: 400;
  line-height: 1.5;
  color: var(--copy-color);
  font-feature-settings: "kern", "liga", "swsh";
  text-rendering: optimizeLegibility;
  font-variant-numeric: oldstyle-nums;
  font-family: 'calendas_plus';
  margin: 0;
}

.blogname {
  font-family: 'basier_squarebold';
  text-align: left;
  max-width: 35rem;
  margin: 0 auto var(--fourth);
  padding: 0;
  padding: 0 1rem;
}

.blogname > a {
  color: var(--copy-color);
  margin: 0;
  padding: 0;
  font-size: var(--fifth);
  background: none;
}

p {
  max-width: 35rem;
  margin: 0 auto var(--first);
  padding: 0 var(--first);
}

blockquote p:last-of-type {
  padding: 0 var(--first);
  margin: 0 auto 0;
}

.content ul {
  max-width: 32rem;
  margin: var(--first) auto;
  list-style-type: square;
}

.content ol {
  max-width: 32rem;
  margin: var(--first) auto;
}

h1, h2, h3, h4, h5, .title {
  word-break: break-word;
  max-width: 35rem;
  margin: 0 auto;
  font-family: 'basier_squarebold';
  font-weight: bold;
  line-height: 1.1;
  letter-spacing: -2px;
  padding: 0 var(--second) 0rem;
}

h2.index {
  line-height: 1.45;
}

.title {
  padding: 0 var(--first) 0rem;
}

.metadata {
  padding: 0 var(--first) var(--second);
  max-width: 35rem;
  margin: 0 auto;
  font-family: 'basier_squarebold';
  opacity: 0.5;
  transition: opacity 0.3s;
}

.metadata:hover {
  opacity: 1;
  transition: opacity 0.3s;
}

a.paragraph-link {
  margin-left: calc(-1 * var(--second));
  background-color: transparent;
  color: var(--main-link-color);
}

a.paragraph-link:hover {
  background-color: transparent;
  color: var(--hover-link-color);
}

.title {
  font-size: 2.441rem;
}

h1 {
  font-size: var(--third);
  margin-bottom: var(--second);
  margin-top: calc(2 * var(--third));
}

h2 {
  font-size: var(--second);
  margin-bottom: var(--first);
  margin-top: calc(2 * var(--second));
}

small, .text_small {
  font-size: var(--small);
}

.content {
  max-width: 100%;
}

a {
  color: #444;
  background-color: var(--main-link-color);
  text-decoration: none;
  transition: background-color 0.3s;
  padding: 0.161rem 0.161rem;
  hyphens: none;
}

a:hover {
  background-color: var(--hover-link-color);
  transition: background-color 0.3s;
}

p a {
  text-decoration: underline;
}


.content ul#tags {
  list-style: none;
  display: inline;
  padding: 0;
}

.content #tags a {
  text-decoration: none;
  padding: 0rem 0.32rem;
}

.content #tags li {
  padding: 0rem 0.1rem;
  display: inline;
  position: relative;
  margin: 0;
}


nav ul {
  font-size: 1rem;
  line-height: 1;
  margin: 0;
  list-style: none;
  display: inline;
  padding: 0;
}

nav ul a {
  text-decoration: none;
}

nav ul li {
  display: inline;
}

.date {
  text-align: right;
}

.prevnext {
  margin: 0 auto;
  max-width: 35rem;
  margin-top: var(--fourth);
  display: grid;
  column-count: 2;
  grid-template-columns: 50% 50%;
}

.prev, .next {
  font-family: 'basier_squarebold';
  text-align: justify;
  max-width: 15rem;
}

.prev a, .next a {
  text-decoration: none;
}

.prev {
  justify-self: start;
  text-align: left;
  grid-column: 1;
}

.next {
  justify-self: end;
  text-align: right;
  grid-column: 2;
}

img {
  max-width: 100%;
  padding: 0;
  margin: 0;
}

video {
  max-width: 90%;
  max-height: 90vh;
  padding: 0;
  margin: 0 auto var(--base);
  display: block;
}

.seek {
  cursor: pointer;
  color: #444;
  background-color: var(--main-link-color);
}

figure figcaption {
  font-size: 0.5rem;
  text-align: center;
  letter-spacing: 0px;
}

figure {
  margin: 0rem auto;
  padding: var(--base) 0;
}

figure figcaption h4 {
  margin: 0 auto;
  letter-spacing: -1px;
  text-align: center;
  font-size: var(--base);
}

figure.fullwidth {
  width: 100%;
}

figure.fullwidth img {
  width: 100%;
  margin: 0 auto;
}

figure:not(.fullwidth) {
  max-width: 35rem;
  margin: 0 auto;
}

figure:not(.fullwidth) img {
  box-sizing: border-box;
  border: 0.5rem solid black;
}

figure.seamless img {
  border: none;
}

.highlight {
  width: 100%;
  font-size: 0.8rem;
  transition: border 0.3s;
  border-top: 0.3rem solid var(--main-link-color);
  border-bottom: 0.3rem solid var(--main-link-color);
  padding: 0 1rem;
  margin: var(--second) auto;
  overflow: auto;
  box-sizing: border-box;
}

.highlight:hover {
  transition: border 0.3s;
  border-top: 0.3rem solid var(--hover-link-color);
  border-bottom: 0.3rem solid var(--hover-link-color);
}

code, pre, a[href^="mailto:"] {
  font-family: "fira_code";
  letter-spacing: -1px;
  font-size: 0.8rem;
}

.highlight pre {
  margin: 0 auto;
  max-width: 35rem;
  padding: var(--base);
}

.katex-display {
  font-size: 0.8rem;
  margin: 0 auto;
  max-width: 50rem;
  padding: var(--base);
}


.footnotes {
  display: block;
  margin: 0 auto;
  max-width: 35rem;
}

hr {
  width: 10rem;
  border-bottom: 0.5rem solid var(--copy-color);
  margin: var(--fifth) auto 0.5rem 0;
  position: relative;
}


a[href^="#fn:"],
a[href^="#fnref:"] {
  font-size: small;
  background: none;
  text-decoration: none;
  -font-family: "basier_squarebold";
  margin-left: -0.5em;
  margin-right: -0.2em;
  font-size: 0.66rem;
}
sup {
  line-height: 1;
}
a[href^="#fn:"]:before{ content: '[' }
a[href^="#fn:"]:after{ content: ']' }

a.footnote-return {
  font-size: 1rem;
}

.content.page {
  font-family: 'basier_regular';
}

.underdate {
  margin: calc(-1 * var(--second)) auto 1rem;
  padding: 0 calc(2* var(--base));
  display: block;
  max-width: 35rem;
  font-family: "basier_squarebold";
  color: var(--hover-link-color);
}

.copyright:before {
  content: "";
  display: block;
  padding-top: 60vh;
}

.copyright {
  text-align: right;
  width: 100%;
  margin: 0 auto;
  max-width: 35rem;
}

.copyright span {
  transition: color 0.3s;
  font-family: "basier_squarebold";
  padding: 0 1rem;
  color: var(--hover-link-color);
}

.copyright span:hover {
  transition: color 0.3s;
  color: var(--copy-color);
}


blockquote {
  max-width: 34.7rem;
  box-sizing: border-box;
  margin: var(--second) auto;
  border-left: 0.3rem solid var(--copy-color);
  padding-left: -1.3em;
}

.footnote-return {
  visibility: hidden;
}
.footnote-return::before {
  content: '▲';
  vertical-align: middle;
  padding-left: 0.3em;
  padding-bottom: 0.1em;
  visibility: visible;
}
.footnote-return sup {
  display: none;
}
.footnotes  p {
  padding: 0;
}

.footnotes ol li {
  padding-bottom: var(--small);
}