:root {
  --retsu-sumi: #34373b;
  --retsu-sumi-dark: #202226;
  --retsu-vermilion: #c94b3d;
  --retsu-paper: #faf7ef;
  --retsu-ink: #2c2c2c;
  --retsu-scroll-thumb: rgb(133 135 139 / 45%);
  --retsu-scroll-thumb-hover: rgb(133 135 139 / 68%);
  --retsu-rainbow: linear-gradient(
    90deg,
    #e55345 0 20%,
    #dfae28 20% 40%,
    #4b9f5c 40% 60%,
    #328fa0 60% 80%,
    #bd4fa7 80% 100%
  );
}

* {
  scrollbar-color: var(--retsu-scroll-thumb) transparent;
  scrollbar-width: thin;
}

*::-webkit-scrollbar {
  width: 0.55rem;
  height: 0.55rem;
}

*::-webkit-scrollbar-track {
  background: transparent;
}

*::-webkit-scrollbar-thumb {
  background: var(--retsu-scroll-thumb);
  background-clip: padding-box;
  border: 0.14rem solid transparent;
  border-radius: 99rem;
}

*::-webkit-scrollbar-thumb:hover {
  background: var(--retsu-scroll-thumb-hover);
  background-clip: padding-box;
}

html.retsu-zoom-open,
html.retsu-zoom-open body {
  overflow: hidden;
}

html.retsu-zoom-open body {
  position: fixed;
  right: 0;
  left: 0;
  width: 100%;
}

[data-md-color-scheme="default"] {
  --md-primary-fg-color: var(--retsu-sumi);
  --md-primary-fg-color--light: #65696f;
  --md-primary-fg-color--dark: var(--retsu-sumi-dark);
  --md-primary-bg-color: #fff;
  --md-primary-bg-color--light: rgb(255 255 255 / 72%);
  --md-accent-fg-color: var(--retsu-vermilion);
  --md-default-bg-color: var(--retsu-paper);
  --md-default-fg-color: var(--retsu-ink);
  --md-code-bg-color: #f1ede4;
  --md-typeset-a-color: #386b73;
}

[data-md-color-scheme="slate"] {
  --md-hue: 210;
  --md-primary-fg-color: #e5e1d8;
  --md-primary-fg-color--light: #f4f1ea;
  --md-primary-fg-color--dark: #c7c2b8;
  --md-primary-bg-color: #fff;
  --md-primary-bg-color--light: rgb(255 255 255 / 72%);
  --md-accent-fg-color: #ff8174;
  --md-default-bg-color: #17191c;
  --md-code-bg-color: #222529;
  --md-typeset-a-color: #8fc5c4;
}

.md-header {
  background: var(--retsu-sumi);
  color: #fff;
  box-shadow: none;
}

.md-header__inner {
  min-height: 2.8rem;
}

.md-header__button.md-logo {
  width: 9.5rem;
  height: 2.15rem;
  margin: 0 0.35rem;
  padding: 0;
}

.md-header__button.md-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.md-header__topic {
  display: none;
}

.md-header__button,
.md-header__source,
.md-source {
  color: #fff;
}

.md-search__form {
  background: rgb(255 255 255 / 10%);
}

.md-search__input,
.md-search__input::placeholder,
.md-search__icon {
  color: #fff;
}

.md-search__input::placeholder {
  opacity: 0.72;
}

.md-search__button {
  color: #fff;
  background: rgb(255 255 255 / 10%);
}

.md-tabs {
  background: var(--retsu-sumi-dark);
  color: #fff;
  border-bottom: 0.05rem solid rgb(255 255 255 / 10%);
  box-shadow: 0 0.2rem 0.65rem rgb(13 18 53 / 14%);
}

.md-tabs__item {
  position: relative;
}

.md-tabs__link {
  font-weight: 700;
  opacity: 0.7;
}

.md-tabs__link:hover,
.md-tabs__item--active .md-tabs__link {
  color: #fff;
  opacity: 1;
}

.md-tabs__item--active::after {
  position: absolute;
  right: 0.6rem;
  bottom: 0;
  left: 0.6rem;
  height: 0.16rem;
  background: var(--retsu-rainbow);
  border-radius: 0.2rem 0.2rem 0 0;
  content: "";
}

.md-content__inner > h1 {
  position: relative;
  margin-bottom: 1.6rem;
  padding-bottom: 0.75rem;
  color: var(--md-primary-fg-color);
  font-weight: 800;
  letter-spacing: -0.025em;
}

.md-content__inner > h1::after {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 3.5rem;
  height: 0.2rem;
  background: var(--retsu-rainbow);
  border-radius: 1rem;
  content: "";
}

.md-typeset h2 {
  color: var(--md-primary-fg-color);
  font-weight: 750;
}

.md-typeset a {
  text-decoration-color: rgb(217 75 59 / 32%);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.16em;
}

.md-typeset a:hover {
  text-decoration-color: var(--md-accent-fg-color);
}

.md-typeset code {
  border-radius: 0.28rem;
}

.md-typeset pre > code {
  border-top: 0.14rem solid transparent;
  border-image: var(--retsu-rainbow) 1;
  border-radius: 0.35rem;
}

.md-typeset table:not([class]) {
  overflow: hidden;
  border: 0.05rem solid rgb(52 55 59 / 15%);
  border-radius: 0.45rem;
  box-shadow: 0 0.25rem 0.8rem rgb(32 34 38 / 6%);
}

.md-typeset table:not([class]) th {
  background: var(--retsu-sumi);
  color: #fff;
}

[data-md-color-scheme="slate"] .md-typeset table:not([class]) {
  border-color: rgb(229 225 216 / 16%);
  box-shadow: 0 0.25rem 0.8rem rgb(0 0 0 / 18%);
}

.md-nav__link--active {
  color: var(--md-accent-fg-color);
  font-weight: 750;
}

.md-sidebar--primary .md-nav__item--active > .md-nav__link {
  padding-left: 0.55rem;
  background: rgb(217 75 59 / 6%);
  border-left: 0.16rem solid var(--md-accent-fg-color);
  border-radius: 0.3rem;
}

[data-md-color-scheme="slate"] .md-sidebar--primary .md-nav__item--active > .md-nav__link {
  background: rgb(255 129 116 / 8%);
}

.md-footer {
  background: var(--retsu-sumi-dark);
  color: #fff;
}

.md-footer a {
  color: inherit;
}

.md-footer-meta {
  color: #fff;
  background: var(--retsu-sumi-dark);
  border-top: 0.14rem solid transparent;
  border-image: var(--retsu-rainbow) 1;
}

.md-footer__link,
.md-footer-meta a,
.md-copyright,
.md-social__link {
  color: #fff;
}

html .md-footer-meta.md-typeset a:not(:focus, :hover) {
  color: #fff;
}

.md-typeset img[data-retsu-zoom-ready],
.md-typeset .mermaid[data-retsu-zoom-ready] {
  cursor: zoom-in;
}

.md-typeset img[data-retsu-zoom-ready]:focus-visible,
.md-typeset .mermaid[data-retsu-zoom-ready]:focus-visible {
  border-radius: 0.25rem;
  outline: 0.12rem solid var(--retsu-vermilion);
  outline-offset: 0.16rem;
}

.retsu-zoom {
  position: fixed;
  top: 50vh;
  right: auto;
  bottom: auto;
  left: 50vw;
  width: min(94vw, 90rem);
  max-width: none;
  height: min(90vh, 64rem);
  max-height: none;
  margin: 0;
  padding: 0;
  overflow: hidden;
  color: var(--md-default-fg-color);
  background: var(--md-default-bg-color);
  border: 0.05rem solid rgb(52 55 59 / 22%);
  border-radius: 0.65rem;
  box-shadow: 0 1rem 3rem rgb(8 12 32 / 32%);
  transform: translate(-50%, -50%);
}

.retsu-zoom:focus {
  outline: none;
}

.retsu-zoom::backdrop {
  background: rgb(8 12 32 / 78%);
  backdrop-filter: blur(0.15rem);
}

.retsu-zoom__toolbar {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  min-height: 2.6rem;
  padding: 0.35rem 0.55rem;
  background: var(--retsu-sumi-dark);
  border-bottom: 0.12rem solid var(--retsu-vermilion);
}

.retsu-zoom__toolbar button {
  min-width: 2rem;
  min-height: 2rem;
  margin-left: 0.25rem;
  padding: 0.25rem 0.55rem;
  color: #fff;
  font: inherit;
  font-weight: 700;
  background: rgb(255 255 255 / 9%);
  border: 0.05rem solid rgb(255 255 255 / 22%);
  border-radius: 0.3rem;
  cursor: pointer;
}

.retsu-zoom__toolbar button:hover {
  background: rgb(255 255 255 / 17%);
}

.retsu-zoom__viewport {
  display: flex;
  height: calc(100% - 2.6rem);
  padding: 1.2rem;
  overflow: auto;
  text-align: center;
}

.retsu-zoom__stage {
  display: inline-block;
  min-width: min(100%, 48rem);
  margin: auto;
  zoom: var(--retsu-zoom-scale, 1);
}

.retsu-zoom__stage > img {
  width: auto;
  max-width: min(82vw, 80rem);
  height: auto;
}

.retsu-zoom__stage > .mermaid {
  min-width: min(82vw, 62rem);
  cursor: default;
}

.retsu-zoom__stage .mermaid svg {
  width: 100%;
  max-width: none !important;
  height: auto;
}

:focus-visible {
  outline: 0.12rem solid var(--retsu-vermilion);
  outline-offset: 0.16rem;
}

@media screen and (max-width: 44.984375em) {
  .md-header__inner {
    min-height: 2.6rem;
  }

  .md-header__button.md-logo {
    width: 7.4rem;
    height: 1.8rem;
  }

  .md-nav .md-nav__title[for="__drawer"] .md-logo {
    width: 4.8rem;
    height: auto;
  }

  .md-nav .md-nav__title[for="__drawer"] .md-logo img {
    width: 100%;
    height: auto;
  }

  .retsu-zoom {
    width: 96vw;
    height: 88vh;
  }

  .retsu-zoom__viewport {
    padding: 0.75rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}