:root {
  --yatsu-font-color: #152033;
  --yatsu-background-color: #dbe8ef;
  --yatsu-surface-color: rgba(255, 255, 255, 0.82);
  --yatsu-surface-strong-color: rgba(255, 255, 255, 0.94);
  --yatsu-border-color: rgba(148, 163, 184, 0.28);
  --yatsu-shadow-color: rgba(15, 23, 42, 0.12);
  --yatsu-accent-color: #0f766e;
  --yatsu-accent-strong-color: #115e59;
  --yatsu-accent-fg: #f8fafc;
  --yatsu-header-bg: rgba(15, 23, 42, 0.78);
  --yatsu-header-fg: #f8fafc;
  --yatsu-header-border: rgba(255, 255, 255, 0.1);
  --md-primary-fg-color: #0f766e;
  --md-primary-fg-color--light: #14b8a6;
  --md-primary-fg-color--dark: #115e59;
  --md-accent-fg-color: #0f766e;
  --md-default-fg-color: rgba(21, 32, 51, 0.9);
  --md-default-fg-color--light: rgba(21, 32, 51, 0.72);
  --md-default-fg-color--lighter: rgba(21, 32, 51, 0.48);
  --md-default-fg-color--lightest: rgba(21, 32, 51, 0.18);
  --md-default-bg-color: transparent;
  --md-typeset-a-color: #115e59;
  --md-code-fg-color: #152033;
  --md-code-bg-color: rgba(15, 23, 42, 0.06);
  --md-typeset-color: var(--yatsu-font-color);
  --md-typeset-font-size: 0.8rem;
  --md-text-font: 'Noto Sans JP', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --md-code-font: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --md-footer-fg-color: rgba(21, 32, 51, 0.9);
  --md-footer-fg-color--light: rgba(21, 32, 51, 0.72);
  --md-footer-fg-color--lighter: rgba(21, 32, 51, 0.58);
  --md-footer-bg-color: transparent;
  --md-footer-bg-color--dark: transparent;
}

[data-md-color-scheme='default'] {
  --md-footer-fg-color: rgba(21, 32, 51, 0.9);
  --md-footer-fg-color--light: rgba(21, 32, 51, 0.72);
  --md-footer-fg-color--lighter: rgba(21, 32, 51, 0.58);
}

[data-md-color-scheme='slate'] {
  --yatsu-font-color: rgba(248, 250, 252, 0.94);
  --yatsu-background-color: #08111a;
  --yatsu-surface-color: rgba(15, 23, 42, 0.8);
  --yatsu-surface-strong-color: rgba(15, 23, 42, 0.92);
  --yatsu-border-color: rgba(148, 163, 184, 0.2);
  --yatsu-shadow-color: rgba(2, 6, 23, 0.36);
  --yatsu-header-bg: rgba(2, 6, 23, 0.76);
  --yatsu-header-border: rgba(148, 163, 184, 0.18);
  --md-default-fg-color: rgba(248, 250, 252, 0.92);
  --md-default-fg-color--light: rgba(248, 250, 252, 0.72);
  --md-default-fg-color--lighter: rgba(248, 250, 252, 0.48);
  --md-default-fg-color--lightest: rgba(248, 250, 252, 0.16);
  --md-typeset-a-color: #5eead4;
  --md-code-fg-color: rgba(248, 250, 252, 0.92);
  --md-code-bg-color: rgba(255, 255, 255, 0.06);
  --md-footer-fg-color: rgba(248, 250, 252, 0.86);
  --md-footer-fg-color--light: rgba(248, 250, 252, 0.68);
  --md-footer-fg-color--lighter: rgba(248, 250, 252, 0.46);
}

html {
  scroll-behavior: smooth;
  background: var(--yatsu-background-color);
}

body {
  position: relative;
  min-height: 100vh;
  background: transparent;
  color: var(--yatsu-font-color);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(circle at top left, rgba(20, 184, 166, 0.15), transparent 32%),
    radial-gradient(circle at top right, rgba(56, 189, 248, 0.1), transparent 24%),
    linear-gradient(180deg, color-mix(in srgb, var(--yatsu-background-color) 94%, white), var(--yatsu-background-color));
}

[data-md-color-scheme='slate'] body::before {
  background:
    radial-gradient(circle at top left, rgba(20, 184, 166, 0.18), transparent 28%),
    radial-gradient(circle at top right, rgba(14, 165, 233, 0.14), transparent 24%),
    linear-gradient(180deg, #08111a, #0b1320 42%, #0f172a 100%);
}

.md-header {
  background: var(--yatsu-header-bg);
  color: var(--yatsu-header-fg);
  border-bottom: 1px solid var(--yatsu-header-border);
  box-shadow: none;
  backdrop-filter: blur(16px);
}

.md-header__button.md-logo {
  margin: 0;
  padding: 0.2rem 0.35rem 0.2rem 0;
}

.md-header__button.md-logo img,
.md-nav__button.md-logo img {
  display: block;
  width: auto;
  height: 1.6rem;
  max-width: 6.8rem;
}

.md-header__title,
.md-nav__title {
  font-weight: 700;
  letter-spacing: 0.01em;
}

.md-search__form {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
}

.md-search__input::placeholder {
  color: rgba(255, 255, 255, 0.72);
}

.md-main__inner {
  margin-top: 1rem;
  align-items: start;
}

.md-sidebar {
  padding: 0;
}

.md-content__inner,
.md-sidebar__inner {
  background: linear-gradient(180deg, var(--yatsu-surface-strong-color), var(--yatsu-surface-color));
  border: 1px solid var(--yatsu-border-color);
  border-radius: 16px;
  box-shadow:
    0 18px 40px -26px rgba(15, 23, 42, 0.32),
    0 10px 22px -18px var(--yatsu-shadow-color),
    inset 0 1px 0 rgba(255, 255, 255, 0.68);
}

[data-md-color-scheme='slate'] .md-content__inner,
[data-md-color-scheme='slate'] .md-sidebar__inner {
  box-shadow:
    0 24px 52px -34px rgba(2, 6, 23, 0.5),
    inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.md-content__inner {
  padding: clamp(1rem, 2.1vw, 1.6rem);
}

.md-sidebar__scrollwrap {
  margin: 0;
  padding: 0;
}

.md-sidebar__inner {
  padding: 1rem;
  overflow: visible;
}

.md-nav--primary .md-nav__title,
.md-nav--secondary .md-nav__title {
  margin-bottom: 0.4rem;
  border-radius: 16;
  background: transparent;
}

.md-nav__link {
  transition:
    background-color 180ms ease,
    color 180ms ease,
    transform 180ms ease;
}

.md-nav__link:hover {
  transform: translateX(2px);
}

.md-nav__link--active,
.md-typeset a {
  color: var(--yatsu-accent-strong-color);
}

.md-typeset h1,
.md-typeset h2,
.md-typeset h3,
.md-typeset h4,
.md-typeset h5,
.md-typeset h6 {
  font-weight: 700;
  letter-spacing: -0.02em;
}

.md-typeset img {
  display: block;
  width: auto;
  max-width: min(100%, 22rem);
  margin: 1rem auto;
}

.md-typeset .md-button {
  border-radius: 16;
  font-weight: 700;
}

.md-typeset .admonition,
.md-typeset details {
  border-radius: 16;
  border: 1px solid color-mix(in srgb, var(--yatsu-accent-color) 18%, var(--yatsu-border-color));
  box-shadow: none;
}

.md-typeset code {
  border-radius: 0.25rem;
}

.md-footer,
.md-footer-meta,
.md-footer__inner {
  background: transparent;
}

[data-md-color-scheme='default'] .md-footer,
[data-md-color-scheme='default'] .md-footer__link,
[data-md-color-scheme='default'] .md-footer__title,
[data-md-color-scheme='default'] .md-footer__button,
[data-md-color-scheme='default'] .md-social__link,
[data-md-color-scheme='default'] .md-copyright {
  color: rgba(21, 32, 51, 0.9);
}

[data-md-color-scheme='default'] .md-footer__direction,
[data-md-color-scheme='default'] .md-copyright__highlight,
[data-md-color-scheme='default'] .md-footer-meta.md-typeset a {
  color: rgba(21, 32, 51, 0.72);
}

.md-footer__link,
.md-footer__link:hover,
.md-footer a,
.md-social__link,
.md-copyright {
  color: var(--md-footer-fg-color);
}

.md-footer__direction,
.md-copyright__highlight {
  color: var(--md-footer-fg-color--light);
}

.md-social__link:hover,
.md-footer a:hover,
[data-md-color-scheme='default'] .md-social__link:hover,
[data-md-color-scheme='default'] .md-footer a:hover {
  color: var(--yatsu-accent-strong-color);
}

@media (max-width: 1219px) {
  .md-sidebar--secondary {
    display: none;
  }
}

@media (max-width: 959px) {
  .md-content__inner,
  .md-sidebar__inner,
  .md-typeset .admonition,
  .md-typeset details,
  .md-typeset .md-button {
    border-radius: 16px;
  }

  .md-content__inner {
    padding: 1rem;
  }

  .md-header__button.md-logo img,
  .md-nav__button.md-logo img {
    height: 1.4rem;
    max-width: 5.9rem;
  }
}