:root {
  color-scheme: light;
  --paper: #fff;
  --ink: oklch(0.2 0.008 80);
  --ink-muted: oklch(0.46 0.008 80);
  --rule: oklch(0.82 0.006 80);
  --font-site: "Zen Kaku Gothic New", "Hiragino Kaku Gothic ProN", "Yu Gothic", system-ui, sans-serif;
  --reading-width: 82ch;
  --page-gutter: clamp(1rem, 2.8vw, 3.25rem);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  color-scheme: light;
  font-kerning: normal;
  font-size: 100%;
  text-size-adjust: 100%;
}

body {
  min-height: 100vh;
  margin: 0;
  padding-inline: env(safe-area-inset-left) env(safe-area-inset-right);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-site);
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--ink-muted);
  text-decoration-color: currentColor;
  text-decoration-thickness: 0.055em;
  text-underline-offset: 0.15em;
  transition: color 140ms ease, text-decoration-color 140ms ease;
}

a:hover {
  color: var(--ink);
  text-decoration-color: currentColor;
}

.skip-link,
.skip-link:hover {
  color: var(--paper);
}

a:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 0.2rem;
}

img {
  display: block;
  max-width: 100%;
}

.container {
  width: 100%;
  margin: 0;
}

.site-shell {
  display: flex;
  min-height: 100vh;
  flex-direction: column;
  padding-inline: var(--page-gutter);
}

.skip-link {
  position: absolute;
  z-index: 2;
  top: 0.5rem;
  left: 0.5rem;
  padding: 0.5rem 0.75rem;
  transform: translateY(-150%);
  background: var(--ink);
  color: var(--paper);
  text-decoration: none;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding-block: 0.65rem 0.55rem;
  border-bottom: 1px solid var(--rule);
}

.site-mark {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  color: var(--ink);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.045em;
  line-height: 1.3;
  text-decoration: none;
}

.site-mark-logo {
  display: block;
  width: auto;
  height: 2.5rem;
  aspect-ratio: 1 / 1;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(0.75rem, 2vw, 1.7rem);
  font-size: 0.84rem;
}

.site-nav a {
  display: inline-flex;
  min-height: 2.5rem;
  align-items: center;
  border-bottom: 1px solid transparent;
  color: var(--ink-muted);
  text-decoration: none;
}

.site-nav a[aria-current="page"],
.site-nav a:hover,
.site-nav a:focus-visible {
  border-color: var(--ink);
  color: var(--ink);
}

.site-nav a:focus-visible {
  outline-offset: 0.08rem;
}

.site-nav-about {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.1rem;
}

.site-nav-dropdown {
  position: relative;
}

.site-nav-dropdown summary {
  display: flex;
  width: 1.25rem;
  min-height: 2.5rem;
  align-items: center;
  justify-content: center;
  color: var(--ink-muted);
  cursor: pointer;
  list-style: none;
}

.site-nav-dropdown summary::-webkit-details-marker {
  display: none;
}

.site-nav-dropdown summary svg {
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.2;
  transition: transform 140ms ease;
}

.site-nav-dropdown[open] summary svg {
  transform: rotate(180deg);
}

.site-nav-dropdown summary:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 0.08rem;
}

.site-nav-submenu {
  position: absolute;
  z-index: 3;
  top: calc(100% + 0.1rem);
  right: 0;
  display: none;
  min-width: 7rem;
  padding: 0.2rem 0.45rem;
  border: 1px solid var(--rule);
  background: var(--paper);
}

.site-nav-about:hover .site-nav-submenu,
.site-nav-about:focus-within .site-nav-submenu,
.site-nav-dropdown[open] .site-nav-submenu {
  display: block;
}

.site-nav-submenu a {
  display: flex;
  min-height: 2.4rem;
  align-items: center;
  padding-inline: 0.3rem;
  text-decoration: none;
}

.page {
  flex: 1;
  padding-block: 1.5rem 2.5rem;
}

.home-intro {
  padding-block: 1.2rem 1.35rem;
}

.page-kicker {
  margin: 0 0 0.28rem;
  color: var(--ink-muted);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  line-height: 1.4;
  text-transform: uppercase;
}

.home-title,
.page-title {
  margin: 0;
  font-family: var(--font-site);
  font-size: clamp(2.35rem, 4.7vw, 3.55rem);
  font-weight: 700;
  letter-spacing: -0.065em;
  line-height: 1.03;
  text-wrap: balance;
}

.home-title {
  max-width: none;
  color: var(--ink);
  font-size: 1rem;
  font-weight: 400;
  letter-spacing: normal;
  line-height: 1.6;
  text-wrap: pretty;
}

.page-deck {
  max-width: 42ch;
  margin: 0 0 0.25rem;
  font-size: 0.98rem;
  line-height: 1.55;
}

.content-section {
  margin-top: 1.75rem;
  padding-top: 0.85rem;
  border-top: 1px solid var(--rule);
}

.home-intro + .content-section,
.page-home > .content-section:first-of-type {
  margin-top: 0;
}

.page-home > .content-section:first-of-type {
  padding-top: 0;
  border-top: 0;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.page-home .story-row {
  grid-template-columns: minmax(0, 1fr);
  padding-block: 0.38rem;
}

.page-home .project-row {
  display: block;
  padding-block: 0.38rem;
}

.section-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.45rem;
}

.section-title {
  margin: 0;
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  line-height: 1.4;
  text-transform: uppercase;
}

.section-archive {
  flex: 0 0 auto;
  color: var(--ink-muted);
  font-size: 0.8rem;
}

.section-archive span {
  padding-left: 0.16em;
  color: var(--ink);
}

.story-list,
.project-list {
  display: grid;
}

.story-row {
  display: grid;
  grid-template-columns: minmax(7rem, 0.16fr) minmax(0, 1fr);
  gap: 1.1rem;
  padding-block: 0.55rem;
}

.story-date,
.page-date {
  color: var(--ink-muted);
  font-size: 0.77rem;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.04em;
  line-height: 1.55;
}

.story-date {
  padding-top: 0.12rem;
}

.story-title,
.project-title {
  margin: 0;
  font-family: var(--font-site);
  font-size: 1.05rem;
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 1.4;
}

.story-summary,
.project-summary {
  max-width: var(--reading-width);
  margin: 0.12rem 0 0;
  color: var(--ink-muted);
  font-size: 0.9rem;
  line-height: 1.5;
}

.story-title a,
.project-title a {
  color: var(--ink-muted);
  text-decoration-color: currentColor;
  text-decoration-thickness: 0.055em;
  text-underline-offset: 0.16em;
}

.story-title a:hover,
.project-title a:hover {
  color: var(--ink);
  text-decoration-color: currentColor;
}

.project-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  align-items: center;
  gap: 1.25rem;
  padding-block: 0.62rem;
}

.project-row-has-image {
  grid-template-columns: auto minmax(0, 1fr);
}

.project-copy {
  min-width: 0;
}

.project-image {
  width: 4.7rem;
  height: 3.35rem;
  object-fit: contain;
  object-position: center;
}

.page-intro {
  padding-bottom: 1.25rem;
}

.page-intro-article {
  padding-bottom: 1.5rem;
}

.page-intro-article .page-title {
  max-width: 40ch;
  font-size: clamp(2rem, 3.8vw, 3rem);
}

.page-date {
  display: block;
  margin-top: 0.55rem;
}

.archive-list {
  padding-top: 0.8rem;
  border-top: 1px solid var(--rule);
}

.archive-list .story-list > :first-child {
  padding-top: 0;
}

.prose {
  max-width: var(--reading-width);
  font-size: 1rem;
  line-height: 1.72;
  overflow-wrap: anywhere;
}

.prose-full {
  max-width: none;
}

.prose-full p {
  text-align: justify;
  text-justify: inter-word;
}

.work-history {
  width: 100%;
}

.work-entry {
  display: grid;
  grid-template-columns: minmax(7rem, 0.16fr) minmax(0, 1fr);
  align-items: baseline;
  gap: 1.1rem;
}

.work-entry p {
  margin: 0;
}

.work-period {
  color: var(--ink-muted);
  font-size: 0.85rem;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.work-line {
  line-height: 1.6;
}

.prose > :first-child {
  margin-top: 0;
}

.prose p,
.prose ul,
.prose ol {
  margin: 0 0 1.15em;
}

.prose ul,
.prose ol {
  padding-inline-start: 1.25em;
}

.prose li + li {
  margin-top: 0.35em;
}

.prose h2,
.prose h3,
.prose h4 {
  margin: 1.8em 0 0.55em;
  font-family: var(--font-site);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.35;
  text-wrap: balance;
}

.prose h2 {
  font-size: 1.45rem;
}

.prose h3 {
  font-size: 1.22rem;
}

.prose h4 {
  font-size: 1.05rem;
}

.prose img {
  width: auto;
  height: auto;
  max-width: 100%;
  margin: 1.4rem 0;
}

.prose code {
  padding: 0.06em 0.2em;
  background: oklch(0.97 0.003 80);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.88em;
  overflow-wrap: anywhere;
}

.prose pre {
  max-width: 100%;
  margin: 1.35rem 0;
  padding: 0.8rem 1rem;
  overflow-x: auto;
  border: 1px solid var(--rule);
  background: oklch(0.985 0.002 80);
  line-height: 1.5;
}

.prose pre code {
  display: block;
  min-width: max-content;
  padding: 0;
  background: transparent;
  overflow-wrap: normal;
  white-space: pre;
}

.prose strong {
  font-weight: 700;
}

.prose hr {
  height: 1px;
  margin-block: 1.8rem;
  border: 0;
  background: var(--rule);
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 0.6rem 1rem;
  color: var(--ink-muted);
  font-size: 0.78rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1rem;
}

.footer-links a {
  display: inline-flex;
  min-height: 2.5rem;
  align-items: center;
}

.copyright {
  margin: 0;
  font-variant-numeric: tabular-nums;
}

@media (max-width: 44rem) {
  .site-header {
    flex-wrap: wrap;
    gap: 0.25rem 1rem;
  }

  .site-nav {
    gap: clamp(0.8rem, 5vw, 1.5rem);
  }

  .home-intro {
    padding-block: 1rem 0.9rem;
  }

  .page {
    padding-block: 1.2rem 2rem;
  }

  .content-section {
    margin-top: 1.4rem;
    padding-top: 0.7rem;
  }

  .section-heading {
    margin-bottom: 0.3rem;
  }

  .story-row {
    grid-template-columns: minmax(0, 1fr);
    gap: 0.08rem;
    padding-block: 0.45rem;
  }

  .story-date {
    padding-top: 0;
    font-size: 0.74rem;
  }

.project-row {
    gap: 0.75rem;
    padding-block: 0.5rem;
  }

  .project-image {
    width: 3.7rem;
    height: 2.8rem;
  }

  .page-intro {
    padding-bottom: 1.1rem;
  }

  .page-intro-article {
    padding-bottom: 1.2rem;
  }

  .page-intro-article .page-title {
    font-size: clamp(1.8rem, 7.5vw, 2.6rem);
  }

  .work-entry {
    grid-template-columns: minmax(0, 1fr);
    gap: 0.12rem;
  }

  .archive-list {
    padding-top: 0.65rem;
  }

  .prose {
    font-size: 1rem;
    line-height: 1.7;
  }

  .prose-full p {
    text-align: start;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.1rem;
    padding-bottom: max(0.8rem, env(safe-area-inset-bottom));
  }
}

@media (max-width: 25rem) {
  .site-nav {
    gap: 0.8rem;
    font-size: 0.8rem;
  }

  .section-heading {
    align-items: flex-start;
  }

  .project-row {
    gap: 0.5rem;
  }

  .project-image {
    width: 3.25rem;
    height: 2.5rem;
  }
}

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