@font-face {
  font-family: "brother-1816";
  src: url("https://use.typekit.net/af/e4f93d/00000000000000003b9b03cb/27/l?primer=8c6cdece1802ac03951c30593622b1b6185a07621a4f8858e37fe29080c384e2&fvd=i3&v=3") format("woff2"), url("https://use.typekit.net/af/e4f93d/00000000000000003b9b03cb/27/d?primer=8c6cdece1802ac03951c30593622b1b6185a07621a4f8858e37fe29080c384e2&fvd=i3&v=3") format("woff"), url("https://use.typekit.net/af/e4f93d/00000000000000003b9b03cb/27/a?primer=8c6cdece1802ac03951c30593622b1b6185a07621a4f8858e37fe29080c384e2&fvd=i3&v=3") format("opentype");
  font-style: italic;
  font-weight: 300;
  font-display: auto;
}

@font-face {
  font-family: "brother-1816";
  src: url("https://use.typekit.net/af/deeb73/00000000000000003b9b03d0/27/l?primer=8c6cdece1802ac03951c30593622b1b6185a07621a4f8858e37fe29080c384e2&fvd=n5&v=3") format("woff2"), url("https://use.typekit.net/af/deeb73/00000000000000003b9b03d0/27/d?primer=8c6cdece1802ac03951c30593622b1b6185a07621a4f8858e37fe29080c384e2&fvd=n5&v=3") format("woff"), url("https://use.typekit.net/af/deeb73/00000000000000003b9b03d0/27/a?primer=8c6cdece1802ac03951c30593622b1b6185a07621a4f8858e37fe29080c384e2&fvd=n5&v=3") format("opentype");
  font-style: normal;
  font-weight: 500;
  font-display: auto;
}

@font-face {
  font-family: "brother-1816";
  src: url("https://use.typekit.net/af/f5cf85/00000000000000003b9b03d2/27/l?primer=8c6cdece1802ac03951c30593622b1b6185a07621a4f8858e37fe29080c384e2&fvd=n7&v=3") format("woff2"), url("https://use.typekit.net/af/f5cf85/00000000000000003b9b03d2/27/d?primer=8c6cdece1802ac03951c30593622b1b6185a07621a4f8858e37fe29080c384e2&fvd=n7&v=3") format("woff"), url("https://use.typekit.net/af/f5cf85/00000000000000003b9b03d2/27/a?primer=8c6cdece1802ac03951c30593622b1b6185a07621a4f8858e37fe29080c384e2&fvd=n7&v=3") format("opentype");
  font-style: normal;
  font-weight: 700;
  font-display: auto;
}

:root {
  --pageWidth: 894px;
  --backgroundColor: #fff;
  --colorUtu1: #8b5dcb;
  --colorUtu2: #78c8d2;
  --colorUtu3: #f8485e;
  --colorUtu4: #adcb00;
  --colorUtu5: #000;
  --colorUtu6: #868686;
  --colorUtu7: #b1b1b0;
  --colorUtu8: #d9d9d9;
  --colorUtu9: #ffffff;
}

html {
    font: 120% brother-1816, sans-serif;
    box-sizing: border-box;
    overflow-y: scroll;
    -ms-text-size-adjust: 100%;
    -webkit-text-size-adjust: 100%;
    margin: 0;
    padding: 0;
}

.layout {
    background-color: var(--colorUtu8);
    padding-right:0;
    padding-left:0;
}

.layout-container {
    background-color: var(--colorUtu9);
    margin: 0 auto;
    max-width:100rem;
}

.main-content {
    display: flex;
    align-items: flex-start;
    align-content: space-between;
    flex-wrap: wrap;
}

.toc-container {
    margin-left: -5em;
    margin-right: 1em;
    width: 20%;
    flex-grow: 1;
    position: sticky;
    display: block;
    border-radius: 15px;
    padding: 0.5em;
    padding-top: 2em;
    padding-bottom: 2em;
    background: var(--colorUtu8);
    border: 2px solid var(--colorUtu5);
}

.toc-container a {
    color: var(--colorUtu5);
    text-decoration: none;
}

.toc-container a:hover {
    color: var(--colorUtu5);
    text-decoration: underline solid var(--colorUtu5);
}

.header a:hover {
    color: var(--colorUtu5);
    text-decoration: underline solid var(--colorUtu5);
}

.main-header {
}

.main-lecture {
    max-width: 80%;
}

.main-content  {
    flex-grow: 1;
}

@media (max-width:60em) {
    .main-content {
        display: block;
    }
    .main-lecture {
        max-width: 100%;
    }
    .toc-container {
        margin: 1em auto 1em auto;
        padding: 0.5em;
        width: 90%;
    }
}

.lecture-grid-container {
    display: grid;
    grid-template-columns: auto auto;
    border-top: 1px solid var(--colorUtu5);
    border-bottom: 1px solid var(--colorUtu5);
    padding: 2px;
    align-items: center;
    width: 100%;
}

.lecture-grid-container2 {
    display: grid;
    grid-template-columns: auto;
    border-top: 1px solid var(--colorUtu5);
    border-bottom: 1px solid var(--colorUtu5);
    padding: 2px;
    align-items: center;
    width: 100%;
}

.lecture-grid-item {
    border: 0;
    padding: 10px;
    font-size: 16px;
    text-align: center;
    max-width: 100%;
    margin: 0 auto;
}

.controls-right button {
  margin-left: 0.5em;
}

.controls-left button {
  margin-right: 0.5em;
}


.lecture-grid-item2:first-child {
    border-right: 2px solid var(--colorUtu8);
}

@media (min-width:50em) {
    .layout {
        padding-right: 2em;
        padding-left: 2em;
    }
    .main-content {
        padding-right: 2.5em;
        padding-left: 2.5em;
        padding-bottom: 2.5em;
    }
}

@media (min-width:60em) {
    .layout {
        padding-right: 3em;
        padding-left: 3em;
    }
    .main-content {
        padding-right: 3.25em;
        padding-left: 3.25em;
        padding-bottom: 3.25em;
    }
}

@media (min-width:80em) {
    .layout {
        padding-right: 4em;
        padding-left: 4em;
    }
    .main-content {
        padding-right: 4em;
        padding-left: 4em;
        padding-bottom: 4em;
    }
}

article,
aside,
details,
figcaption,
figure,
footer,
header,
main,
menu,
nav,
section,
summary {
  display: block;
}
audio,
canvas,
progress,
video {
  display: inline-block;
}
audio:not([controls]) {
  display: none;
  height: 0;
}
progress {
  vertical-align: baseline;
}
[hidden],
template {
  display: none;
}
a {
  background-color: transparent;
  -webkit-text-decoration-skip: objects;
}
a:active,
a:hover {
  outline-width: 0;
}
abbr[title] {
  border-bottom: none;
  text-decoration: underline;
  text-decoration: underline dotted;
}
b,
strong {
  font-weight: inherit;
  font-weight: bolder;
}
dfn {
  font-style: italic;
}
h1 {
  font-size: 2em;
  margin: 0.67em 0;
}
mark {
  background-color: #ff0;
  color: #000;
}
small {
  font-size: 80%;
}
sub,
sup {
  font-size: 75%;
  line-height: 0;
  position: relative;
  vertical-align: baseline;
}
sub {
  bottom: -0.25em;
}
sup {
  top: -0.5em;
}
img {
  border-style: none;
}
svg:not(:root) {
  overflow: hidden;
}
code,
kbd,
pre,
samp {
  font-family: monospace, monospace;
  font-size: 1em;
}
figure {
  margin: 1em 40px;
}
hr {
  box-sizing: content-box;
  height: 0;
  overflow: visible;
}
button,
input,
optgroup,
select,
textarea {
  font: inherit;
  margin: 0;
}
optgroup {
  font-weight: 700;
}
button,
input {
  overflow: visible;
}
button,
select {
  text-transform: none;
}
[type="reset"],
[type="submit"],
button,
html [type="button"] {
  -webkit-appearance: button;
}
[type="button"]::-moz-focus-inner,
[type="reset"]::-moz-focus-inner,
[type="submit"]::-moz-focus-inner,
button::-moz-focus-inner {
  border-style: none;
  padding: 0;
}
[type="button"]:-moz-focusring,
[type="reset"]:-moz-focusring,
[type="submit"]:-moz-focusring,
button:-moz-focusring {
  outline: 1px dotted ButtonText;
}
fieldset {
  border: 1px solid silver;
  margin: 0 2px;
  padding: 0.35em 0.625em 0.75em;
}
legend {
  box-sizing: border-box;
  color: inherit;
  display: table;
  max-width: 100%;
  padding: 0;
  white-space: normal;
}
textarea {
  overflow: auto;
}
[type="checkbox"],
[type="radio"] {
  box-sizing: border-box;
  padding: 0;
}
[type="number"]::-webkit-inner-spin-button,
[type="number"]::-webkit-outer-spin-button {
  height: auto;
}
[type="search"] {
  -webkit-appearance: textfield;
  outline-offset: -2px;
}
[type="search"]::-webkit-search-cancel-button,
[type="search"]::-webkit-search-decoration {
  -webkit-appearance: none;
}
::-webkit-input-placeholder {
  color: inherit;
  opacity: 0.54;
}
::-webkit-file-upload-button {
  -webkit-appearance: button;
  font: inherit;
}
* {
  box-sizing: inherit;
}
*:before {
  box-sizing: inherit;
}
*:after {
  box-sizing: inherit;
}
body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    margin: 0;
    padding: 0;
    color: hsla(0, 0%, 0%, 0.8);
    font-weight: normal;
    word-wrap: break-word;
    font-kerning: normal;
    -moz-font-feature-settings: "kern", "liga", "clig", "calt";
    -ms-font-feature-settings: "kern", "liga", "clig", "calt";
    -webkit-font-feature-settings: "kern", "liga", "clig", "calt";
    font-feature-settings: "kern", "liga", "clig", "calt";
}
img {
  max-width: 100%;
  margin-left: 0;
  margin-right: 0;
  margin-top: 0;
  padding-bottom: 0;
  padding-left: 0;
  padding-right: 0;
  padding-top: 0;
  margin-bottom: 1.45rem;
}
h1 {
  margin-left: 0;
  margin-right: 0;
  margin-top: 0;
  padding-bottom: 0;
  padding-left: 0;
  padding-right: 0;
  padding-top: 0;
  margin-bottom: 1.45rem;
  color: inherit;
  font-family: -apple-system, BlinkMacSystemFont, Segoe UI, Roboto, Oxygen,
    Ubuntu, Cantarell, Fira Sans, Droid Sans, Helvetica Neue, sans-serif;
  font-weight: bold;
  text-rendering: optimizeLegibility;
  font-size: 2.25rem;
  line-height: 1.1;
}
h2 {
  margin-left: 0;
  margin-right: 0;
  margin-top: 0;
  padding-bottom: 0;
  padding-left: 0;
  padding-right: 0;
  padding-top: 0;
  margin-bottom: 1.45rem;
  color: inherit;
  font-family: -apple-system, BlinkMacSystemFont, Segoe UI, Roboto, Oxygen,
    Ubuntu, Cantarell, Fira Sans, Droid Sans, Helvetica Neue, sans-serif;
  font-weight: bold;
  text-rendering: optimizeLegibility;
  font-size: 1.62671rem;
  line-height: 1.1;
}
h3 {
  margin-left: 0;
  margin-right: 0;
  margin-top: 0;
  padding-bottom: 0;
  padding-left: 0;
  padding-right: 0;
  padding-top: 0;
  margin-bottom: 1.45rem;
  color: inherit;
  font-family: -apple-system, BlinkMacSystemFont, Segoe UI, Roboto, Oxygen,
    Ubuntu, Cantarell, Fira Sans, Droid Sans, Helvetica Neue, sans-serif;
  font-weight: bold;
  text-rendering: optimizeLegibility;
  font-size: 1.38316rem;
  line-height: 1.1;
}
h4 {
  margin-left: 0;
  margin-right: 0;
  margin-top: 0;
  padding-bottom: 0;
  padding-left: 0;
  padding-right: 0;
  padding-top: 0;
  margin-bottom: 1.45rem;
  color: inherit;
  font-family: -apple-system, BlinkMacSystemFont, Segoe UI, Roboto, Oxygen,
    Ubuntu, Cantarell, Fira Sans, Droid Sans, Helvetica Neue, sans-serif;
  font-weight: bold;
  text-rendering: optimizeLegibility;
  font-size: 1rem;
  line-height: 1.1;
}
h5 {
  margin-left: 0;
  margin-right: 0;
  margin-top: 0;
  padding-bottom: 0;
  padding-left: 0;
  padding-right: 0;
  padding-top: 0;
  margin-bottom: 1.45rem;
  color: inherit;
  font-family: -apple-system, BlinkMacSystemFont, Segoe UI, Roboto, Oxygen,
    Ubuntu, Cantarell, Fira Sans, Droid Sans, Helvetica Neue, sans-serif;
  font-weight: bold;
  text-rendering: optimizeLegibility;
  font-size: 0.85028rem;
  line-height: 1.1;
}
h6 {
  margin-left: 0;
  margin-right: 0;
  margin-top: 0;
  padding-bottom: 0;
  padding-left: 0;
  padding-right: 0;
  padding-top: 0;
  margin-bottom: 1.45rem;
  color: inherit;
  font-family: -apple-system, BlinkMacSystemFont, Segoe UI, Roboto, Oxygen,
    Ubuntu, Cantarell, Fira Sans, Droid Sans, Helvetica Neue, sans-serif;
  font-weight: bold;
  text-rendering: optimizeLegibility;
  font-size: 0.78405rem;
  line-height: 1.1;
}
hgroup {
  margin-left: 0;
  margin-right: 0;
  margin-top: 0;
  padding-bottom: 0;
  padding-left: 0;
  padding-right: 0;
  padding-top: 0;
  margin-bottom: 1.45rem;
}
ul {
  margin-left: 1.45rem;
  margin-right: 0;
  margin-top: 0;
  padding-bottom: 0;
  padding-left: 0;
  padding-right: 0;
  padding-top: 0;
  margin-bottom: 1.45rem;
  list-style-position: outside;
  list-style-image: none;
}
ol {
  margin-left: 1.45rem;
  margin-right: 0;
  margin-top: 0;
  padding-bottom: 0;
  padding-left: 0;
  padding-right: 0;
  padding-top: 0;
  margin-bottom: 1.45rem;
  list-style-position: outside;
  list-style-image: none;
}
dl {
  margin-left: 0;
  margin-right: 0;
  margin-top: 0;
  padding-bottom: 0;
  padding-left: 0;
  padding-right: 0;
  padding-top: 0;
  margin-bottom: 1.45rem;
}
dd {
  margin-left: 0;
  margin-right: 0;
  margin-top: 0;
  padding-bottom: 0;
  padding-left: 0;
  padding-right: 0;
  padding-top: 0;
  margin-bottom: 1.45rem;
}
p {
  margin-left: 0;
  margin-right: 0;
  margin-top: 0;
  padding-bottom: 0;
  padding-left: 0;
  padding-right: 0;
  padding-top: 0;
  margin-bottom: 1.45rem;
}
figure {
  margin-left: 0;
  margin-right: 0;
  margin-top: 0;
  padding-bottom: 0;
  padding-left: 0;
  padding-right: 0;
  padding-top: 0;
  margin-bottom: 1.45rem;
}
pre {
  margin-left: 0;
  margin-right: 0;
  margin-top: 0;
  margin-bottom: 1.45rem;
  font-size: 0.85rem;
  line-height: 1.42;
  background: hsla(0, 0%, 0%, 0.04);
  border-radius: 3px;
  overflow: auto;
  word-wrap: normal;
  padding: 1.45rem;
}
table {
  margin-left: 0;
  margin-right: 0;
  margin-top: 0;
  padding-bottom: 0;
  padding-left: 0;
  padding-right: 0;
  padding-top: 0;
  margin-bottom: 1.45rem;
  font-size: 1rem;
  line-height: 1.45rem;
  border-collapse: collapse;
  width: 100%;
}
fieldset {
  margin-left: 0;
  margin-right: 0;
  margin-top: 0;
  padding-bottom: 0;
  padding-left: 0;
  padding-right: 0;
  padding-top: 0;
  margin-bottom: 1.45rem;
}
blockquote {
  margin-left: 1.45rem;
  margin-right: 1.45rem;
  margin-top: 0;
  padding-bottom: 0;
  padding-left: 0;
  padding-right: 0;
  padding-top: 0;
  margin-bottom: 1.45rem;
}
form {
  margin-left: 0;
  margin-right: 0;
  margin-top: 0;
  padding-bottom: 0;
  padding-left: 0;
  padding-right: 0;
  padding-top: 0;
  margin-bottom: 1.45rem;
}
noscript {
  margin-left: 0;
  margin-right: 0;
  margin-top: 0;
  padding-bottom: 0;
  padding-left: 0;
  padding-right: 0;
  padding-top: 0;
  margin-bottom: 1.45rem;
}
iframe {
  margin-left: 0;
  margin-right: 0;
  margin-top: 0;
  padding-bottom: 0;
  padding-left: 0;
  padding-right: 0;
  padding-top: 0;
  margin-bottom: 1.45rem;
  width: 100%;
  min-height: 90vh;
}
hr {
  margin-left: 0;
  margin-right: 0;
  margin-top: 0;
  padding-bottom: 0;
  padding-left: 0;
  padding-right: 0;
  padding-top: 0;
  margin-bottom: calc(1.45rem - 1px);
  background: hsla(0, 0%, 0%, 0.2);
  border: none;
  height: 1px;
}
address {
  margin-left: 0;
  margin-right: 0;
  margin-top: 0;
  padding-bottom: 0;
  padding-left: 0;
  padding-right: 0;
  padding-top: 0;
  margin-bottom: 1.45rem;
}
b {
  font-weight: bold;
}
strong {
  font-weight: bold;
}
dt {
  font-weight: bold;
}
th {
  font-weight: bold;
}
li {
  margin-bottom: calc(1.45rem / 2);
}
ol li {
  padding-left: 0;
}
ul li {
  padding-left: 0;
}
li > ol {
  margin-left: 1.45rem;
  margin-bottom: calc(1.45rem / 2);
  margin-top: calc(1.45rem / 2);
}
li > ul {
  margin-left: 1.45rem;
  margin-bottom: calc(1.45rem / 2);
  margin-top: calc(1.45rem / 2);
}
blockquote *:last-child {
  margin-bottom: 0;
}
li *:last-child {
  margin-bottom: 0;
}
p *:last-child {
  margin-bottom: 0;
}
li > p {
  margin-bottom: calc(1.45rem / 2);
}
code {
  font-size: 0.85rem;
  line-height: 1.45rem;
}
kbd {
  font-size: 0.85rem;
  line-height: 1.45rem;
}
samp {
  font-size: 0.85rem;
  line-height: 1.45rem;
}
abbr {
  border-bottom: 1px dotted hsla(0, 0%, 0%, 0.5);
  cursor: help;
}
acronym {
  border-bottom: 1px dotted hsla(0, 0%, 0%, 0.5);
  cursor: help;
}
abbr[title] {
  border-bottom: 1px dotted hsla(0, 0%, 0%, 0.5);
  cursor: help;
  text-decoration: none;
}
thead {
  text-align: left;
}
td,
th {
  text-align: left;
  border-bottom: 1px solid hsla(0, 0%, 0%, 0.12);
  font-feature-settings: "tnum";
  -moz-font-feature-settings: "tnum";
  -ms-font-feature-settings: "tnum";
  -webkit-font-feature-settings: "tnum";
  padding-left: 0.96667rem;
  padding-right: 0.96667rem;
  padding-top: 0.725rem;
  padding-bottom: calc(0.725rem - 1px);
}
th:first-child,
td:first-child {
  padding-left: 0;
}
th:last-child,
td:last-child {
  padding-right: 0;
}
tt,
code {
  background-color: hsla(0, 0%, 0%, 0.04);
  border-radius: 3px;
  font-family: "SFMono-Regular", Consolas, "Roboto Mono", "Droid Sans Mono",
    "Liberation Mono", Menlo, Courier, monospace;
  padding: 0;
  padding-top: 0.2em;
  padding-bottom: 0.2em;
}
pre code {
  background: none;
  line-height: 1.42;
}
code:before,
code:after,
tt:before,
tt:after {
  letter-spacing: -0.2em;
  content: " ";
}
pre code:before,
pre code:after,
pre tt:before,
pre tt:after {
  content: "";
}
@media only screen and (max-width: 480px) {
  html {
    font-size: 100%;
  }
}


header, footer {
    padding-top: 0.6rem;
    padding-bottom: 0.6rem;
}

footer {
    background: var(--colorUtu5);
    color: var(--colorUtu9);
}

.header, .footer {
    font-size: 87.4975%;
    padding-left: 3.25rem;
    padding-bottom: 0.875rem;
    padding-right: 3.25rem;
    padding-top: 0.875rem;
}

.header-content {
    width: 100%;
    border-bottom: 1px solid var(--colorUtu8);
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    justify-content: space-between;
}

.footer-content {
    width: 100%;
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    justify-content: space-between;
}

.header nav, .footer nav {
    display: block;
    flex: 1 0 auto;
    padding-bottom: 0.5em;
}

.footer nav {
    display: block;
    flex: 1 0 auto;
    padding-top: 0.5em;
    padding-bottom: 0;
}

.header ul, .footer ul {
    float: right;
    margin: 0 -0.5em;
    padding: 0;
    display: flex;
}

.header li, .footer li {
    list-style: none;
    padding: 0;
    margin: 0 1em;
    text-transform: uppercase;
    font-weight: bold;
}

.header a {
    color: var(--colorUtu5);
    text-decoration: none;
}

.footer a {
    color: var(--colorUtu9);
    text-decoration: none;
}

.header a:hover {
    color: var(--colorUtu5);
    text-decoration: underline solid var(--colorUtu5);
}
.header .active {
    color: var(--colorUtu5);
    text-decoration: underline solid var(--colorUtu5);
}

.footer a:hover {
    color: var(--colorUtu9);
    text-decoration: underline solid var(--colorUtu9);
}

.sitebranding {
    width: 14.040rem;
    height: 3.967rem;
    flex: 0 0 auto;
    flex-shrink: 0;
    margin: 0;
    margin-bottom: 1em;
}

@media (min-width:50em) {
    .header, .footer {
        font-size: 91.665%;
        padding-left: 3.1rem;
        padding-bottom: 0.94rem;
        padding-right: 3.1rem;
        padding-top: 0.94rem;
    }

    .sitebranding {
        width: 15.100rem;
        height: 4.267rem;
    }
}

@media (min-width:60em) {
    .header, .footer {
        font-size: 87.4975%;
        padding-left: 4rem;
        padding-bottom: 1.1rem;
        padding-right: 4rem;
        padding-top: 1.1rem;
    }

    .sitebranding {
        width: 16.400rem;
        height: 4.634rem;
    }
}

@media (min-width:80em) {
    .header, .footer {
        font-size: 83.33%;
        padding-left: 5rem;
        padding-bottom: 1.25rem;
        padding-right: 5rem;
        padding-top: 1.25rem;
    }

    .sitebranding {
        width: 17.700rem;
        height: 5.002rem;
    }
}