:root {
  --paper: #dde2e5;
  --paper-deep: #c8cfd3;
  --ink: #222a2e;
  --ink-soft: #5d686f;
  --ink-faint: #8a949b;
  --forest: #2a333a;
  --forest-soft: #3e4b52;
  --acid: #b3b7a4;
  --acid-strong: #7b826f;
  --line: rgba(34, 42, 46, 0.16);
  --line-light: rgba(239, 242, 243, 0.16);
  --white: #eff2f3;
  --header-height: 72px;
  --max-width: 1180px;
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 10px;
  --font-sans: "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  --font-mono: "Cascadia Mono", "SFMono-Regular", Consolas, monospace;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-out: cubic-bezier(0, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  letter-spacing: 0.01em;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(115deg, rgba(34, 42, 46, 0.03), transparent 46%),
    repeating-linear-gradient(90deg, transparent 0 79px, rgba(34, 42, 46, 0.02) 80px);
  background-size: 100% 100%, 80px 100%;
  content: "";
  pointer-events: none;
}

h1, h2, h3 { text-wrap: balance; }
p { text-wrap: pretty; }

::selection {
  background: var(--acid);
  color: var(--ink);
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
textarea {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

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

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  padding: 10px 16px;
  transform: translateY(-150%);
  border-radius: 999px;
  background: var(--acid);
  color: var(--ink);
  font-weight: 700;
}

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

:focus-visible {
  outline: 3px solid var(--acid-strong);
  outline-offset: 4px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  min-height: var(--header-height);
  border-bottom: 1px solid var(--line);
  background: rgba(221, 226, 229, 0.85);
  backdrop-filter: blur(18px) saturate(1.2);
  -webkit-backdrop-filter: blur(18px) saturate(1.2);
}

.header-inner {
  position: relative;
  display: flex;
  width: min(calc(100% - 48px), var(--max-width));
  min-height: var(--header-height);
  margin: 0 auto;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.brand-mark {
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
  border-radius: 50%;
  background: var(--ink);
  color: var(--acid);
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -0.08em;
  transition: transform 300ms var(--ease);
}

.brand:hover .brand-mark {
  transform: rotate(-8deg) scale(1.08);
}

.brand-copy {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.brand-copy strong {
  font-size: 16px;
  letter-spacing: -0.02em;
}

.brand-copy small {
  margin-top: 5px;
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.16em;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(18px, 2.5vw, 36px);
}

.site-nav a {
  position: relative;
  padding: 9px 0;
  color: var(--ink-soft);
  font-size: 14px;
  font-weight: 650;
  white-space: nowrap;
}

.site-nav a span {
  margin-right: 5px;
  color: inherit;
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 500;
  opacity: 0.55;
}

.site-nav a::after {
  position: absolute;
  right: 0;
  bottom: 1px;
  left: 0;
  height: 2px;
  transform: scaleX(0);
  transform-origin: right;
  background: var(--ink);
  content: "";
  transition: transform 250ms var(--ease);
}

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

.site-nav a:hover::after,
.site-nav a[aria-current="page"]::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: transparent;
  color: inherit;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 17px;
  height: 1.5px;
  margin: 5px auto;
  background: currentColor;
  transition: transform 250ms var(--ease), opacity 250ms var(--ease);
}

.nav-toggle[aria-expanded="true"] span:first-child {
  transform: translateY(3.25px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:last-child {
  transform: translateY(-3.25px) rotate(-45deg);
}

.home-page .site-header {
  position: absolute;
  right: 0;
  left: 0;
  border-bottom-color: transparent;
  background: transparent;
  color: var(--white);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

.home-page .brand-mark {
  background: var(--acid);
  color: var(--forest);
}

.home-page .brand-copy small,
.home-page .site-nav a {
  color: rgba(239, 242, 243, 0.68);
}

.home-page .site-nav a:hover,
.home-page .site-nav a[aria-current="page"] {
  color: var(--white);
}

.home-page .site-nav a::after {
  background: var(--acid);
}

.hero {
  position: relative;
  display: grid;
  min-height: 100svh;
  overflow: hidden;
  background: var(--forest);
  color: var(--white);
  isolation: isolate;
}

.hero::after {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(180deg, rgba(25, 31, 35, 0.14), transparent 40%, rgba(18, 23, 26, 0.42)),
    linear-gradient(90deg, rgba(25, 31, 35, 0.88), rgba(25, 31, 35, 0.68) 36%, rgba(25, 31, 35, 0.26) 70%, rgba(25, 31, 35, 0.18));
  content: "";
  pointer-events: none;
}

.hero-visual {
  position: absolute;
  inset: 0;
  z-index: 0;
  margin: 0;
  overflow: hidden;
}

.hero-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 76% center;
  filter: saturate(0.72) contrast(0.94) brightness(0.82);
  transition: transform 600ms var(--ease);
}

.hero-visual:hover img {
  transform: scale(1.03);
}

#particle-canvas {
  position: absolute;
  inset: 0;
  z-index: 2;
  width: 100%;
  height: 100%;
}

.hero-inner {
  position: relative;
  z-index: 3;
  display: grid;
  width: min(calc(100% - 48px), var(--max-width));
  margin: auto;
  padding: calc(var(--header-height) + 72px) 0 72px;
  grid-template-columns: minmax(0, 1fr);
  align-items: end;
  gap: clamp(48px, 8vw, 120px);
}

.hero-copy {
  max-width: 760px;
}

.hero-kicker,
.section-kicker,
.page-kicker,
.card-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 24px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.hero-kicker::before,
.section-kicker::before,
.page-kicker::before,
.card-kicker::before {
  width: 28px;
  height: 1px;
  background: currentColor;
  content: "";
  opacity: 0.55;
}

.hero-kicker {
  color: var(--acid);
}

.hero-title {
  max-width: 900px;
  margin: 0;
  font-size: clamp(56px, 8vw, 112px);
  font-weight: 720;
  letter-spacing: -0.08em;
  line-height: 0.82;
}

.hero-title span {
  display: block;
}

.hero-title .latin {
  margin-left: clamp(42px, 10vw, 150px);
  color: transparent;
  font-family: var(--font-mono);
  font-size: 0.64em;
  font-weight: 500;
  letter-spacing: -0.08em;
  -webkit-text-stroke: 1.25px rgba(239, 242, 243, 0.72);
}

.hero-title i {
  color: var(--acid);
  font-family: var(--font-sans);
  font-style: normal;
  -webkit-text-stroke: 0;
}

.hero-summary {
  display: grid;
  max-width: 730px;
  margin-top: clamp(44px, 6vw, 74px);
  grid-template-columns: minmax(0, 1.4fr) minmax(180px, 0.8fr);
  gap: 38px;
  align-items: end;
}

.hero-tagline {
  margin: 0;
  font-size: clamp(20px, 2.5vw, 32px);
  font-weight: 650;
  letter-spacing: -0.04em;
  line-height: 1.25;
}

.hero-note {
  margin: 0;
  color: rgba(239, 242, 243, 0.62);
  font-size: 13px;
}

.hero-actions {
  display: flex;
  margin-top: 34px;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  min-height: 46px;
  padding: 0 22px;
  align-items: center;
  justify-content: center;
  gap: 12px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  background: var(--ink);
  color: var(--white);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: transform 250ms var(--ease), background 250ms var(--ease), color 250ms var(--ease);
}

.button::after {
  content: "↗";
  font-size: 15px;
  transition: transform 250ms var(--ease);
}

.button:hover {
  transform: translateY(-1px);
  background: var(--acid);
  color: var(--ink);
}

.button:hover::after {
  transform: translate(2px, -2px);
}

.button-acid {
  border-color: var(--acid);
  background: var(--acid);
  color: var(--forest);
}

.button-acid:hover {
  background: var(--white);
}

.button-ghost {
  border-color: rgba(239, 242, 243, 0.3);
  background: transparent;
  color: var(--white);
}

.button-ghost:hover {
  border-color: var(--white);
  background: var(--white);
  color: var(--forest);
}

.hero-scroll {
  position: absolute;
  right: max(24px, calc((100vw - var(--max-width)) / 2));
  bottom: 24px;
  z-index: 4;
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(239, 242, 243, 0.5);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.14em;
  writing-mode: vertical-rl;
}

.hero-scroll::after {
  width: 1px;
  height: 54px;
  background: linear-gradient(var(--acid), transparent);
  content: "";
  animation: breathe 4.5s var(--ease) infinite;
}

@keyframes breathe {
  0%, 100% { opacity: 0.4; transform: scaleY(0.7); transform-origin: top; }
  50% { opacity: 1; transform: scaleY(1); transform-origin: top; }
}

.content-section {
  width: min(calc(100% - 48px), var(--max-width));
  margin: 0 auto;
  padding: clamp(64px, 7vw, 104px) 0;
}

.intro-grid {
  display: grid;
  grid-template-columns: minmax(150px, 0.42fr) minmax(0, 1.58fr);
  gap: clamp(40px, 8vw, 120px);
}

.section-index {
  display: flex;
  height: max-content;
  padding-top: 8px;
  border-top: 1px solid var(--line);
  justify-content: space-between;
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
}

.intro-copy h2,
.route-heading,
.page-title {
  margin: 0;
  font-size: clamp(32px, 4.5vw, 56px);
  font-weight: 700;
  letter-spacing: -0.055em;
  line-height: 1.05;
}

.intro-copy h2 {
  max-width: 920px;
}

.intro-copy h2 em {
  color: var(--ink-soft);
  font-style: normal;
  font-weight: 400;
}

.principles {
  display: grid;
  margin-top: clamp(44px, 5vw, 72px);
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
}

.principle {
  min-height: 220px;
  padding: 26px 26px 0 0;
  border-right: 1px solid var(--line);
}

.principle + .principle {
  padding-left: 26px;
}

.principle:last-child {
  border-right: 0;
}

.principle small {
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 10px;
}

.principle h3 {
  margin: 50px 0 12px;
  font-size: 23px;
  letter-spacing: -0.035em;
}

.principle p {
  max-width: 30ch;
  margin: 0;
  color: var(--ink-soft);
  font-size: 14px;
}

.route-section {
  width: min(calc(100% - 32px), calc(var(--max-width) + 60px));
  margin: 0 auto 16px;
  padding: clamp(56px, 7vw, 96px) clamp(24px, 6vw, 64px);
  border-radius: var(--radius-lg);
  background: var(--forest);
  color: var(--white);
}

.route-section-head {
  display: flex;
  margin-bottom: 44px;
  align-items: end;
  justify-content: space-between;
  gap: 32px;
}

.route-section-head p {
  max-width: 38ch;
  margin: 0;
  color: rgba(239, 242, 243, 0.6);
  font-size: 14px;
}

.route-list {
  border-top: 1px solid var(--line-light);
}

.route-item {
  display: grid;
  padding: 24px clamp(20px, 2.5vw, 32px);
  grid-template-columns: 64px minmax(0, 1fr) auto;
  align-items: center;
  gap: 22px;
  border-bottom: 1px solid var(--line-light);
  transition: background 250ms var(--ease), color 250ms var(--ease);
  border-radius: 0;
}

.route-item:hover {
  background: rgba(179, 183, 164, 0.08);
  color: var(--acid);
}

.route-item:hover span {
  transform: translateX(4px);
}

.route-item small {
  color: rgba(239, 242, 243, 0.4);
  font-family: var(--font-mono);
  font-size: 10px;
}

.route-item strong {
  font-size: clamp(20px, 2.5vw, 28px);
  font-weight: 600;
  letter-spacing: -0.04em;
}

.route-item span {
  font-size: 24px;
  transition: transform 250ms var(--ease);
}

.page-main {
  min-height: calc(100svh - var(--header-height));
}

.page-hero {
  width: min(calc(100% - 48px), var(--max-width));
  margin: 0 auto;
  padding: clamp(56px, 8vw, 104px) 0 clamp(44px, 6vw, 80px);
  border-bottom: 1px solid var(--line);
}

.page-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(260px, 0.65fr);
  align-items: end;
  gap: clamp(40px, 8vw, 120px);
}

.page-kicker {
  color: var(--ink-soft);
}

.page-title .outline {
  color: transparent;
  -webkit-text-stroke: 1.2px var(--ink);
}

.page-intro {
  max-width: 42ch;
  margin: 0 0 4px;
  color: var(--ink-soft);
  font-size: clamp(15px, 1.5vw, 18px);
}

.page-index {
  margin: 34px 0 0;
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.15em;
}

.page-visual {
  position: relative;
  aspect-ratio: 2.18 / 1;
  margin: clamp(36px, 5vw, 60px) 0 0;
  overflow: hidden;
  border: 1px solid rgba(34, 42, 46, 0.2);
  border-radius: var(--radius-lg);
  background: var(--forest);
}

.page-visual::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 48%, rgba(25, 31, 35, 0.34));
  content: "";
  pointer-events: none;
}

.page-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: saturate(0.76) contrast(0.96) brightness(0.92);
}

.page-visual-notes img {
  object-position: 48% center;
}

.page-visual-tools img {
  object-position: center;
}

.tools-section {
  width: min(calc(100% - 48px), var(--max-width));
  margin: 0 auto;
  padding: clamp(64px, 7vw, 104px) 0;
}

.tools-section-head {
  display: grid;
  grid-template-columns: minmax(150px, 0.42fr) minmax(0, 1.58fr);
  gap: clamp(40px, 8vw, 120px);
}

.tools-section-head h2 {
  max-width: 920px;
  margin: 0;
  font-size: clamp(32px, 4.5vw, 56px);
  font-weight: 700;
  letter-spacing: -0.055em;
  line-height: 1.05;
}

.tools-section-head h2 em {
  color: var(--ink-soft);
  font-style: normal;
  font-weight: 400;
}

.tools-section-head > div:last-child > p:last-child {
  max-width: 54ch;
  margin: 22px 0 0;
  color: var(--forest-soft);
}

.tool-card {
  display: grid;
  margin-top: clamp(42px, 6vw, 72px);
  overflow: hidden;
  grid-template-columns: minmax(0, 1.45fr) minmax(300px, 0.55fr);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--paper-deep);
}

.tool-card-copy {
  padding: clamp(28px, 5vw, 56px);
}

.tool-card-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.tool-card-label span {
  padding: 7px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--paper);
  color: var(--ink);
  font-size: 12px;
  font-weight: 700;
}

.tool-card-label small,
.tool-card-meta {
  color: var(--forest-soft);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
}

.tool-card h3 {
  margin: clamp(46px, 6vw, 76px) 0 18px;
  font-size: clamp(46px, 7vw, 82px);
  font-weight: 720;
  letter-spacing: -0.065em;
  line-height: 0.92;
}

.tool-card-summary {
  max-width: 46ch;
  margin: 0;
  color: var(--forest-soft);
  font-size: clamp(16px, 1.7vw, 19px);
}

.tool-card-meta {
  margin: 34px 0 0;
}

.tool-card-actions {
  display: flex;
  padding: clamp(28px, 4vw, 44px);
  align-items: stretch;
  justify-content: space-between;
  flex-direction: column;
  gap: 48px;
  background: var(--forest);
  color: var(--white);
}

.tool-card-actions p {
  margin: 0;
}

.tool-card-actions p strong,
.tool-card-actions p span {
  display: block;
}

.tool-card-actions p strong {
  margin-bottom: 10px;
  font-size: 17px;
}

.tool-card-actions p span {
  color: var(--paper-deep);
  font-size: 13px;
}

.tool-card-actions > div {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.tool-card-actions .button {
  min-width: 0;
  padding-inline: 18px;
}

.tool-card-view::after {
  content: "→";
}

.works-section,
.lab-section,
.notes-section,
.feedback-section {
  width: min(calc(100% - 48px), var(--max-width));
  margin: 0 auto;
  padding: clamp(48px, 6vw, 88px) 0 clamp(72px, 8vw, 120px);
}

.section-bar {
  display: flex;
  margin-bottom: 28px;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.section-bar h2 {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
}

.section-bar span {
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
}

.works-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 340px), 1fr));
  gap: 18px;
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.lab-section {
  padding-top: 0;
  border-top: 1px solid var(--line);
}

.lab-section-intro {
  max-width: 54ch;
  margin: -10px 0 28px;
  color: var(--ink-soft);
}

.lab-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.lab-card {
  display: grid;
  min-width: 0;
  min-height: 250px;
  padding: clamp(24px, 4vw, 42px);
  grid-template-rows: auto auto 1fr auto;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(239, 242, 243, 0.5);
}

.lab-card-index {
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.14em;
}

.lab-card h3 {
  margin: 28px 0 12px;
  font-size: clamp(24px, 3vw, 38px);
  letter-spacing: -0.045em;
}

.lab-card p {
  margin: 0 0 30px;
  color: var(--ink-soft);
  overflow-wrap: anywhere;
}

.lab-card a {
  display: inline-flex;
  width: fit-content;
  padding-bottom: 6px;
  gap: 14px;
  border-bottom: 1px solid var(--ink);
  font-size: 12px;
  font-weight: 700;
}

.work-category-stack {
  display: grid;
  gap: clamp(58px, 8vw, 96px);
}

.work-category-block {
  min-width: 0;
}

.work-category-head {
  display: flex;
  margin-bottom: 22px;
  padding-bottom: 16px;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  border-bottom: 1px solid var(--line);
}

.work-category-head > div {
  min-width: 0;
}

.work-category-kicker {
  margin: 0 0 8px;
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.14em;
}

.work-category-head h2 {
  display: inline;
  margin: 0 12px 0 0;
  font-size: clamp(28px, 4vw, 48px);
  letter-spacing: -0.055em;
  line-height: 1;
}

.work-category-head > div > span {
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.1em;
  white-space: nowrap;
}

.work-category-access {
  display: inline-flex;
  padding: 10px 0;
  align-items: center;
  gap: 18px;
  border-bottom: 1px solid var(--ink);
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
}

.work-category-access span {
  color: var(--acid-strong);
  font-size: 16px;
  transition: transform 220ms var(--ease);
}

.work-category-access:hover span {
  transform: translate(3px, -3px);
}

.work-slider-shell {
  display: grid;
  min-width: 0;
  grid-template-columns: 44px minmax(0, 1fr) 44px;
  align-items: center;
  gap: 12px;
}

.work-slider-track {
  display: flex;
  min-width: 0;
  overflow-x: auto;
  padding: 3px 2px 14px;
  gap: 18px;
  scroll-behavior: smooth;
  scroll-snap-type: x mandatory;
  scrollbar-color: rgba(34, 42, 46, 0.32) transparent;
  scrollbar-width: thin;
  overscroll-behavior-inline: contain;
  touch-action: pan-x pan-y;
  cursor: grab;
}

.work-slider-track::-webkit-scrollbar {
  height: 5px;
}

.work-slider-track::-webkit-scrollbar-track {
  background: transparent;
}

.work-slider-track::-webkit-scrollbar-thumb {
  border-radius: 999px;
  background: rgba(34, 42, 46, 0.32);
}

.work-slider-track.is-dragging {
  scroll-behavior: auto;
  scroll-snap-type: none;
  cursor: grabbing;
  user-select: none;
}

.work-slider-track .portfolio-card {
  flex: 0 0 calc((100% - 54px) / 4);
  scroll-snap-align: start;
  scroll-snap-stop: always;
}

.work-slider-track[data-card-count="1"] .portfolio-card {
  flex-basis: 100%;
}

.work-slider-arrow {
  display: grid;
  width: 44px;
  height: 64px;
  padding: 0;
  place-items: center;
  border: 1px solid rgba(34, 42, 46, 0.28);
  border-radius: 999px;
  background: rgba(239, 242, 243, 0.68);
  color: var(--ink);
  font-size: 18px;
  cursor: pointer;
  transition: opacity 180ms ease, border-color 180ms ease, background 180ms ease;
}

.work-slider-arrow:hover:not(:disabled) {
  border-color: var(--ink-soft);
  background: var(--paper-deep);
}

.work-slider-arrow:disabled,
.work-slider-arrow[aria-disabled="true"] {
  opacity: 0.28;
  cursor: default;
}

.work-category-empty {
  display: grid;
  min-height: 220px;
  padding: 32px;
  place-items: center;
  border: 1px dashed rgba(34, 42, 46, 0.28);
  border-radius: var(--radius-md);
  background: rgba(239, 242, 243, 0.3);
  color: var(--ink-soft);
  text-align: center;
}

.work-category-empty p {
  margin: 0;
}

.category-page-hero {
  width: min(calc(100% - 48px), var(--max-width));
  margin: 0 auto;
  padding: clamp(64px, 9vw, 118px) 0 clamp(44px, 6vw, 72px);
  border-bottom: 1px solid var(--line);
}

.category-page-hero .back-link {
  display: inline-block;
  margin-bottom: clamp(50px, 8vw, 96px);
}

.category-page-hero h1 {
  margin: 10px 0 22px;
  font-size: clamp(58px, 11vw, 132px);
  letter-spacing: -0.075em;
  line-height: 0.88;
}

.category-page-hero h1 .outline {
  display: block;
  color: transparent;
  -webkit-text-stroke: 1.2px var(--ink);
}

.category-page-hero > p:last-child {
  max-width: 52ch;
  margin: 0;
  color: var(--ink-soft);
}

.work-category-empty-page {
  min-height: 300px;
}

@media (max-width: 1100px) {
  .work-slider-track .portfolio-card {
    flex-basis: calc((100% - 36px) / 3);
  }

  .work-slider-track[data-card-count="1"] .portfolio-card {
    flex-basis: 100%;
  }
}

@media (max-width: 900px) {
  .work-slider-track .portfolio-card {
    flex-basis: calc((100% - 18px) / 2);
  }

  .work-slider-track[data-card-count="1"] .portfolio-card {
    flex-basis: 100%;
  }
}

@media (max-width: 760px) {
  .category-page-hero {
    width: min(calc(100% - 32px), var(--max-width));
  }

  .work-category-head {
    align-items: center;
  }

  .work-category-head > div > span {
    display: block;
    margin-top: 8px;
  }

  .work-slider-shell {
    grid-template-columns: 34px minmax(0, 1fr) 34px;
    gap: 6px;
  }

  .work-slider-arrow {
    width: 34px;
    height: 54px;
  }

  .work-slider-track .portfolio-card {
    flex-basis: min(82vw, 320px);
  }

  .work-slider-track[data-card-count="1"] .portfolio-card {
    flex-basis: 100%;
  }
}

.portfolio-card {
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(239, 242, 243, 0.52);
  transition: transform 300ms var(--ease), border-color 300ms var(--ease), box-shadow 300ms var(--ease);
}

.portfolio-card:hover {
  transform: translateY(-2px);
  border-color: rgba(34, 42, 46, 0.36);
  box-shadow: 0 12px 32px rgba(34, 42, 46, 0.08);
}

.portfolio-card-link {
  display: flex;
  height: 100%;
  min-height: 470px;
  flex-direction: column;
}

.portfolio-cover {
  position: relative;
  display: flex;
  min-height: 230px;
  overflow: hidden;
  padding: 22px;
  align-items: flex-start;
  justify-content: space-between;
  background:
    linear-gradient(135deg, rgba(179, 183, 164, 0.13), transparent 48%),
    var(--forest);
  color: var(--white);
  isolation: isolate;
}

.portfolio-cover::before,
.portfolio-cover::after {
  position: absolute;
  z-index: -1;
  border: 1px solid rgba(179, 183, 164, 0.32);
  content: "";
}

.portfolio-cover::before {
  right: 10%;
  bottom: -44%;
  width: 230px;
  height: 230px;
  border-radius: 50%;
}

.portfolio-cover::after {
  top: 34%;
  right: 27%;
  width: 150px;
  height: 96px;
  transform: rotate(-18deg);
}

.portfolio-cover > span {
  color: rgba(239, 242, 243, 0.52);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
}

.portfolio-cover b {
  position: absolute;
  right: clamp(28px, 6vw, 70px);
  bottom: 24px;
  color: var(--acid);
  font-size: clamp(58px, 8vw, 96px);
  font-weight: 500;
  line-height: 1;
}

.portfolio-cover-photo {
  padding: 0;
  background: var(--forest);
}

.portfolio-cover-photo::before,
.portfolio-cover-photo::after {
  display: none;
}

.portfolio-cover-photo img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 230px;
  object-fit: cover;
  transition: transform 500ms var(--ease), filter 500ms var(--ease);
}

.portfolio-card:hover .portfolio-cover-photo img {
  transform: scale(1.025);
  filter: saturate(0.92) contrast(1.02);
}

.portfolio-cover .portfolio-cover-num {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 1;
  padding: 5px 8px;
  border: 1px solid rgba(239, 242, 243, 0.2);
  border-radius: 3px;
  background: rgba(25, 31, 35, 0.68);
  color: var(--acid);
  backdrop-filter: blur(8px);
}

.cover-wave::after {
  width: 210px;
  height: 68px;
  transform: skewX(-24deg);
  border-radius: 50%;
}

.cover-frame::before {
  border-radius: 4px;
  transform: rotate(12deg);
}

.cover-cube::after {
  width: 120px;
  height: 120px;
  transform: rotate(45deg);
}

.cover-grid {
  background:
    linear-gradient(rgba(179, 183, 164, 0.09) 1px, transparent 1px),
    linear-gradient(90deg, rgba(179, 183, 164, 0.09) 1px, transparent 1px),
    var(--forest);
  background-size: 42px 42px;
}

.cover-ring::before {
  right: 20%;
  bottom: -28%;
  border-width: 20px;
}

.cover-pulse::after {
  width: 240px;
  height: 1px;
  transform: rotate(-8deg);
  box-shadow: 0 -22px rgba(179, 183, 164, 0.18), 0 22px rgba(179, 183, 164, 0.18);
}

.cover-orbit::before {
  right: 16%;
  bottom: -18%;
  border-width: 2px;
  box-shadow: 0 0 0 24px rgba(179, 183, 164, 0.05), 0 0 0 48px rgba(179, 183, 164, 0.03);
}

.portfolio-copy {
  display: flex;
  padding: 26px 28px 28px;
  flex: 1;
  flex-direction: column;
}

.portfolio-copy small {
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.13em;
}

.portfolio-copy h2,
.portfolio-copy h3 {
  margin: 13px 0 12px;
  font-size: clamp(25px, 3vw, 38px);
  letter-spacing: -0.045em;
  line-height: 1.15;
}

.portfolio-copy p {
  max-width: 36ch;
  margin: 0 0 28px;
  color: var(--ink-soft);
  font-size: 14px;
}

.card-enter {
  display: flex;
  margin-top: auto;
  padding-top: 18px;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--line);
  font-size: 12px;
  font-weight: 700;
}

.card-enter::after {
  color: var(--acid-strong);
  content: "↗";
  font-size: 16px;
  transition: transform 250ms var(--ease);
}

.portfolio-card:hover .card-enter::after {
  transform: translateX(4px);
}

.portfolio-card-featured {
  border-color: rgba(123, 130, 111, 0.54);
}

.diary-notice,
.truth-notice {
  display: grid;
  margin-bottom: 18px;
  padding: 18px 20px;
  grid-template-columns: minmax(150px, 0.35fr) minmax(0, 1fr);
  gap: 24px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(239, 242, 243, 0.42);
}

.diary-notice strong,
.truth-notice strong {
  font-size: 13px;
}

.diary-notice p,
.truth-notice p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 12px;
}

.diary-list {
  border-top: 1px solid var(--ink);
}

.diary-card a {
  display: grid;
  padding: clamp(28px, 4vw, 44px) clamp(16px, 2.5vw, 28px);
  grid-template-columns: minmax(110px, 0.28fr) minmax(0, 1fr) auto;
  align-items: center;
  gap: clamp(24px, 5vw, 70px);
  border-bottom: 1px solid var(--line);
  transition: background 250ms var(--ease);
}

.diary-card a:hover {
  background: rgba(239, 242, 243, 0.5);
}

.diary-card time {
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 11px;
}

.placeholder-pill {
  display: inline-flex;
  padding: 4px 8px;
  border: 1px solid rgba(123, 130, 111, 0.54);
  border-radius: 999px;
  color: var(--acid-strong);
  font-size: 10px;
  font-weight: 700;
}

.diary-card h2 {
  margin: 12px 0 8px;
  font-size: clamp(24px, 3vw, 38px);
  letter-spacing: -0.045em;
}

.diary-card p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 13px;
}

.diary-arrow {
  color: var(--acid-strong);
  font-size: 24px;
  transition: transform 250ms var(--ease);
}

.diary-card a:hover .diary-arrow {
  transform: translateX(4px);
}

.detail-main {
  min-height: calc(100svh - var(--header-height));
}

.showcase-shell {
  width: min(calc(100% - 48px), var(--max-width));
  margin: 0 auto;
  padding: clamp(48px, 6vw, 88px) 0 0;
}

.showcase-shell .back-link {
  margin-bottom: clamp(28px, 4vw, 48px);
}

.showcase {
  display: grid;
  margin-bottom: clamp(24px, 4vw, 48px);
  grid-template-columns: minmax(0, 1fr) minmax(260px, 340px);
  gap: clamp(22px, 4vw, 44px);
  align-items: stretch;
}

.showcase-left {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 12px;
}

.showcase-stage {
  position: relative;
  display: grid;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  place-items: stretch;
  border: 1px solid rgba(34, 42, 46, 0.32);
  border-radius: var(--radius-md);
  background: var(--forest);
  box-shadow: 0 18px 48px rgba(34, 42, 46, 0.12);
}

.showcase-main {
  display: block;
  width: 100%;
  height: 100%;
  min-width: 0;
  object-fit: cover;
}

.showcase-placeholder.portfolio-cover {
  min-height: 0;
  padding: clamp(18px, 3vw, 30px);
}

.showcase-placeholder.portfolio-cover b {
  font-size: clamp(56px, 9vw, 116px);
}

.showcase-thumbs {
  display: flex;
  max-width: 100%;
  padding: 2px 0 8px;
  gap: 9px;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  scrollbar-width: thin;
  scrollbar-color: var(--acid-strong) transparent;
}

.showcase-thumb {
  position: relative;
  flex: 0 0 124px;
  height: 72px;
  overflow: hidden;
  padding: 0;
  border: 2px solid transparent;
  border-radius: 5px;
  background: var(--forest);
  cursor: pointer;
  transition: border-color 180ms var(--ease), transform 180ms var(--ease), opacity 180ms var(--ease);
}

.showcase-thumb img,
.showcase-thumb video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
}

.showcase-thumb:hover,
.showcase-thumb:focus-visible,
.showcase-thumb.is-active {
  border-color: var(--acid-strong);
  opacity: 1;
}

.showcase-thumb:hover {
  transform: translateY(-1px);
}

.showcase-right {
  display: flex;
  min-width: 0;
  padding: clamp(24px, 3vw, 34px);
  flex-direction: column;
  gap: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background:
    linear-gradient(145deg, rgba(179, 183, 164, 0.12), transparent 58%),
    rgba(239, 242, 243, 0.5);
}

.showcase-right .page-kicker {
  margin: 0;
}

.showcase-right h1 {
  margin: 0;
  font-size: clamp(38px, 5vw, 66px);
  letter-spacing: -0.065em;
  line-height: 1;
  overflow-wrap: anywhere;
}

.showcase-intro {
  margin: 0;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.75;
}

.showcase-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.showcase-actions .button {
  min-width: 96px;
  justify-content: center;
}

.showcase-meta {
  display: flex;
  margin-top: auto;
  padding-top: 20px;
  flex-wrap: wrap;
  gap: 8px;
  border-top: 1px solid var(--line);
}

.showcase-meta span {
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.1em;
}

.detail-hero,
.detail-actions,
.detail-content,
.note-detail {
  width: min(calc(100% - 48px), var(--max-width));
  margin: 0 auto;
}

.detail-hero {
  position: relative;
  padding: clamp(48px, 6vw, 88px) 0 clamp(40px, 5vw, 72px);
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.detail-hero::after {
  position: absolute;
  right: 2%;
  bottom: -145px;
  width: 360px;
  height: 360px;
  border: 1px solid rgba(123, 130, 111, 0.28);
  border-radius: 50%;
  content: "";
  pointer-events: none;
}

.back-link {
  display: inline-flex;
  margin-bottom: clamp(40px, 5vw, 72px);
  padding-bottom: 5px;
  border-bottom: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 12px;
  font-weight: 700;
  transition: color 250ms var(--ease);
}

.back-link:hover {
  color: var(--ink);
}

.detail-heading {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(260px, 0.65fr);
  align-items: end;
  gap: clamp(36px, 8vw, 110px);
}

.detail-heading h1,
.note-detail-header h1 {
  max-width: 11ch;
  margin: 0;
  font-size: clamp(40px, 6vw, 84px);
  letter-spacing: -0.07em;
  line-height: 0.98;
}

.detail-heading > p {
  max-width: 42ch;
  margin: 0 0 6px;
  color: var(--ink-soft);
  font-size: 15px;
}

.detail-meta {
  position: relative;
  z-index: 1;
  display: flex;
  margin-top: 48px;
  flex-wrap: wrap;
  gap: 12px;
}

.detail-meta span,
.detail-meta time {
  display: inline-flex;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.1em;
}

.detail-actions {
  padding: 28px 0 0;
}

.detail-actions > div {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.button-outline {
  border-color: rgba(34, 42, 46, 0.42);
  background: transparent;
  color: var(--ink);
}

.button-outline:hover {
  border-color: var(--forest);
  background: var(--forest);
  color: var(--white);
}

.action-status {
  display: none;
  margin: 18px 0 0;
  padding: 13px 16px;
  border: 1px solid rgba(123, 130, 111, 0.48);
  border-radius: 10px;
  background: rgba(179, 183, 164, 0.18);
  color: var(--ink);
  font-size: 13px;
}

.action-status.is-visible {
  display: block;
}

.detail-content {
  padding: clamp(48px, 6vw, 88px) 0 clamp(72px, 8vw, 120px);
}

.empty-log {
  min-height: 380px;
  padding: clamp(34px, 7vw, 78px);
  border-radius: var(--radius-md);
  background: var(--forest);
  color: var(--white);
}

.empty-log small,
.note-placeholder small {
  color: var(--acid);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
}

.empty-log h2,
.note-placeholder h2 {
  max-width: 10ch;
  margin: clamp(70px, 8vw, 112px) 0 20px;
  font-size: clamp(42px, 6vw, 76px);
  letter-spacing: -0.065em;
  line-height: 1;
}

.empty-log p,
.note-placeholder p {
  max-width: 48ch;
  margin: 0;
  color: rgba(239, 242, 243, 0.64);
  font-size: 14px;
}

.version-log {
  min-height: 260px;
  padding: clamp(30px, 6vw, 68px);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(239, 242, 243, 0.5);
  color: var(--ink);
}

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

.version-log > :last-child {
  margin-bottom: 0;
}

.version-log h1,
.version-log h2,
.version-log h3 {
  margin: 1.6em 0 0.65em;
  letter-spacing: -0.035em;
  line-height: 1.2;
}

.version-log h1 {
  font-size: clamp(30px, 4vw, 46px);
}

.version-log h2 {
  font-size: clamp(24px, 3vw, 34px);
}

.version-log h3 {
  font-size: 20px;
}

.version-log p,
.version-log li {
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.8;
}

.version-log ul,
.version-log ol {
  padding-left: 1.4em;
}

.version-log a {
  border-bottom: 1px solid var(--acid-strong);
}

.version-log blockquote {
  margin: 1.4em 0;
  padding: 2px 0 2px 18px;
  border-left: 3px solid var(--acid-strong);
}

.version-log code {
  padding: 0.16em 0.38em;
  border-radius: 3px;
  background: rgba(34, 42, 46, 0.09);
  font-family: var(--font-mono);
  font-size: 0.9em;
}

.version-log pre {
  padding: 16px 20px;
  overflow-x: auto;
  border-radius: 5px;
  background: var(--forest);
  color: var(--white);
}

.version-log pre code {
  padding: 0;
  background: transparent;
  color: inherit;
}

.version-log-empty {
  display: grid;
  min-height: 120px;
  margin: 0;
  place-items: center;
  color: var(--ink-soft);
  text-align: center;
}

@media (max-width: 768px) {
  .showcase {
    grid-template-columns: minmax(0, 1fr);
  }

  .showcase-right {
    min-height: 300px;
  }
}

.note-detail {
  padding: clamp(48px, 6vw, 88px) 0 clamp(72px, 8vw, 120px);
}

.note-detail-header {
  padding-bottom: clamp(48px, 7vw, 84px);
  border-bottom: 1px solid var(--line);
}

.note-detail-header .placeholder-pill {
  margin-bottom: 22px;
}

.note-actions {
  width: 100%;
  padding-bottom: clamp(54px, 8vw, 86px);
}

.note-placeholder {
  min-height: 430px;
  padding: clamp(34px, 7vw, 78px);
  border-radius: var(--radius-md);
  background: var(--forest);
  color: var(--white);
}

.comments-section {
  width: min(calc(100% - 48px), var(--max-width));
  margin: 0 auto;
  padding: 0 0 clamp(96px, 10vw, 150px);
}

.comment-layout {
  display: grid;
  margin-top: 28px;
  grid-template-columns: minmax(280px, 0.68fr) minmax(0, 1.32fr);
  gap: clamp(28px, 6vw, 78px);
  align-items: start;
}

.comment-composer {
  padding: clamp(26px, 4vw, 42px);
  border-radius: var(--radius-md);
  background: var(--forest);
  color: var(--white);
}

.comment-composer label {
  display: block;
  margin-bottom: 12px;
  color: rgba(239, 242, 243, 0.68);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
}

.comment-composer textarea {
  width: 100%;
  min-height: 170px;
  padding: 14px;
  resize: vertical;
  border: 1px solid rgba(239, 242, 243, 0.24);
  border-radius: 10px;
  outline: none;
  background: rgba(239, 242, 243, 0.04);
  color: var(--white);
}

.comment-composer textarea::placeholder {
  color: rgba(239, 242, 243, 0.34);
}

.comment-composer textarea:focus {
  border-color: var(--acid);
}

.comment-composer > div {
  display: flex;
  margin-top: 18px;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.comment-composer p {
  margin: 0;
  color: rgba(239, 242, 243, 0.48);
  font-size: 10px;
}

.comment-list {
  border-top: 1px solid var(--ink);
}

.comment-item {
  min-width: 0;
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
}

.comment-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.08em;
}

.comment-item > p {
  margin: 14px 0 12px;
  color: var(--ink-soft);
  font-size: 13px;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.comment-reply {
  margin: 22px 0 0 32px;
  padding: 20px;
  border: 0;
  border-left: 2px solid var(--acid-strong);
  background: rgba(239, 242, 243, 0.42);
}

.comment-admin-badge {
  display: inline-flex;
  align-items: center;
  min-height: 22px;
  padding: 0 8px;
  margin-left: 8px;
  border-radius: 999px;
  background: var(--forest);
  color: var(--white);
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 0.08em;
  vertical-align: middle;
}

.comment-reply-form {
  position: relative;
  padding: 22px;
  margin: 18px 0 8px;
  border-radius: var(--radius-md);
  background: var(--forest);
  color: var(--white);
}

.comment-reply-form[hidden] {
  display: none;
}

.comment-reply-form .field {
  margin-bottom: 18px;
}

.comment-reply-form .field textarea {
  min-height: 110px;
}

.reply-form-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.reply-form-footer p {
  margin: 0;
  color: rgba(239, 242, 243, 0.52);
  font-size: 10px;
}

.reply-form-footer .button {
  flex: 0 0 auto;
}

.comment-empty {
  padding: clamp(30px, 5vw, 56px) 0;
  border-bottom: 1px solid var(--line);
  text-align: center;
}

.comment-empty strong {
  font-size: 18px;
}

.comment-empty p {
  margin: 8px 0 0;
  color: var(--ink-soft);
  font-size: 13px;
}

.text-button {
  padding: 0;
  border: 0;
  border-bottom: 1px solid var(--line);
  background: transparent;
  color: var(--ink);
  font-size: 11px;
  font-weight: 700;
  cursor: pointer;
}

.work-card {
  position: relative;
  display: flex;
  min-height: 430px;
  overflow: hidden;
  padding: clamp(26px, 4vw, 42px);
  flex-direction: column;
  border: 1px solid var(--ink);
  border-radius: var(--radius-md);
  background: var(--forest);
  color: var(--white);
  isolation: isolate;
}

.work-card::before,
.work-card::after {
  position: absolute;
  z-index: -1;
  border: 1px solid rgba(179, 183, 164, 0.28);
  border-radius: 50%;
  content: "";
}

.work-card::before {
  top: -120px;
  right: -80px;
  width: 310px;
  height: 310px;
}

.work-card::after {
  top: -55px;
  right: -15px;
  width: 180px;
  height: 180px;
}

.work-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: rgba(239, 242, 243, 0.56);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
}

.status-pill {
  display: inline-flex;
  padding: 7px 10px;
  align-items: center;
  gap: 7px;
  border: 1px solid rgba(179, 183, 164, 0.34);
  border-radius: 999px;
  color: var(--acid);
}

.status-pill::before {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  content: "";
}

.work-card-body {
  margin-top: auto;
}

.work-number {
  margin: 0 0 4px;
  color: rgba(179, 183, 164, 0.72);
  font-family: var(--font-mono);
  font-size: 12px;
}

.work-card h2 {
  margin: 0;
  font-size: clamp(54px, 8vw, 90px);
  font-weight: 700;
  letter-spacing: -0.075em;
  line-height: 1;
}

.work-description {
  max-width: 30ch;
  margin: 18px 0 30px;
  color: rgba(239, 242, 243, 0.7);
  font-size: 16px;
}

.work-link {
  display: inline-flex;
  padding-bottom: 5px;
  align-items: center;
  gap: 14px;
  border-bottom: 1px solid rgba(179, 183, 164, 0.52);
  color: var(--acid);
  font-size: 13px;
  font-weight: 700;
}

.work-link::after {
  content: "↗";
}

.link-status {
  min-height: 24px;
  margin: 18px 0 0;
  color: rgba(239, 242, 243, 0.64);
  font-size: 12px;
}

.future-slot {
  display: grid;
  min-height: 240px;
  place-items: center;
  border: 1px dashed rgba(34, 42, 46, 0.3);
  border-radius: var(--radius-md);
  color: var(--ink-soft);
  text-align: center;
}

.future-slot p {
  max-width: 22ch;
  margin: 0;
  font-size: 13px;
}

.future-slot strong {
  display: block;
  margin-bottom: 8px;
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
}

.notes-stage {
  display: grid;
  min-height: 460px;
  overflow: hidden;
  grid-template-columns: minmax(0, 1.15fr) minmax(260px, 0.85fr);
  border: 1px solid var(--ink);
  border-radius: var(--radius-md);
  background: var(--white);
}

.notes-message {
  display: flex;
  padding: clamp(36px, 7vw, 86px);
  flex-direction: column;
  justify-content: space-between;
}

.notes-message small,
.notes-board small {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
}

.notes-message h2 {
  max-width: 8ch;
  margin: 70px 0 20px;
  font-size: clamp(48px, 7vw, 88px);
  font-weight: 700;
  letter-spacing: -0.07em;
  line-height: 1;
}

.notes-message p {
  max-width: 42ch;
  margin: 0;
  color: var(--ink-soft);
}

.notes-board {
  display: flex;
  padding: clamp(30px, 5vw, 56px);
  flex-direction: column;
  border-left: 1px solid rgba(239, 242, 243, 0.16);
  background: var(--forest);
  color: var(--white);
}

.notes-board small {
  color: var(--acid);
}

.topic-list {
  margin: auto 0;
  padding: 0;
  list-style: none;
}

.topic-list li {
  display: flex;
  padding: 17px 0;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line-light);
  color: rgba(239, 242, 243, 0.74);
}

.topic-list li::after {
  color: var(--acid);
  content: "○";
  font-family: var(--font-mono);
}

.notes-board > p {
  margin: 0;
  color: rgba(239, 242, 243, 0.47);
  font-family: var(--font-mono);
  font-size: 10px;
}

.feedback-grid {
  display: grid;
  grid-template-columns: minmax(220px, 0.55fr) minmax(0, 1.45fr);
  gap: clamp(44px, 8vw, 112px);
}

.feedback-aside {
  display: flex;
  flex-direction: column;
}

.feedback-aside h2 {
  margin: 0 0 20px;
  font-size: 28px;
  letter-spacing: -0.04em;
}

.feedback-aside p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 14px;
}

.availability-card {
  margin-top: auto;
  padding-top: 32px;
  border-top: 1px solid var(--line);
}

.availability-card strong {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 13px;
}

.availability-card strong::before {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #9f776e;
  content: "";
}

.availability-card.is-open strong::before {
  background: #71866f;
}

.availability-card small {
  display: block;
  margin-top: 8px;
  color: var(--ink-soft);
  font-size: 11px;
}

.feedback-form {
  padding: clamp(30px, 5vw, 58px);
  border-radius: var(--radius-md);
  background: var(--forest);
  color: var(--white);
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}

.field {
  margin-bottom: 28px;
}

.field label {
  display: block;
  margin-bottom: 9px;
  color: rgba(239, 242, 243, 0.68);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
}

.field input,
.field textarea {
  width: 100%;
  border: 0;
  border-bottom: 1px solid rgba(239, 242, 243, 0.26);
  border-radius: 0;
  outline: none;
  background: transparent;
  color: var(--white);
  transition: border-color 180ms ease;
}

.field input {
  height: 48px;
}

.field textarea {
  min-height: 150px;
  padding: 12px 0;
  resize: vertical;
}

.field input::placeholder,
.field textarea::placeholder {
  color: rgba(239, 242, 243, 0.3);
}

.field input:focus,
.field textarea:focus {
  border-bottom-color: var(--acid);
}

.field-hint {
  display: block;
  margin-top: 7px;
  color: rgba(239, 242, 243, 0.48);
  font-size: 10px;
}

.feedback-honeypot {
  position: absolute !important;
  left: -10000px !important;
  width: 1px !important;
  height: 1px !important;
  overflow: hidden !important;
  opacity: 0 !important;
  pointer-events: none !important;
}

.form-footer {
  display: flex;
  margin-top: 14px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.form-disclaimer {
  max-width: 44ch;
  margin: 0;
  color: rgba(239, 242, 243, 0.5);
  font-size: 11px;
}

.form-status {
  display: none;
  margin: 24px 0 0;
  padding: 14px 16px;
  border: 1px solid rgba(179, 183, 164, 0.4);
  border-radius: 10px;
  background: rgba(179, 183, 164, 0.1);
  color: var(--acid);
  font-size: 13px;
}

.form-status.is-visible {
  display: block;
}

.form-status.is-error {
  border-color: rgba(198, 112, 100, 0.58);
  background: rgba(159, 47, 47, 0.16);
  color: #f0b0a6;
}

button:disabled,
.button:disabled {
  cursor: wait;
  opacity: 0.62;
  transform: none;
}

.site-footer {
  width: min(calc(100% - 48px), var(--max-width));
  margin: 0 auto;
  padding: 28px 0 34px;
  border-top: 1px solid var(--line);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  color: var(--ink-soft);
  font-size: 11px;
}

.footer-inner p {
  margin: 0;
}

.footer-wordmark {
  color: var(--ink);
  font-family: var(--font-mono);
  font-weight: 700;
  letter-spacing: 0.08em;
}

/* ── Scroll entrance animations ── */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.portfolio-card {
  animation: fadeInUp 600ms var(--ease) both;
}

.portfolio-card:nth-child(1) { animation-delay: 0ms; }
.portfolio-card:nth-child(2) { animation-delay: 80ms; }
.portfolio-card:nth-child(3) { animation-delay: 160ms; }
.portfolio-card:nth-child(4) { animation-delay: 240ms; }

.diary-card {
  animation: fadeInUp 500ms var(--ease) both;
}

.diary-card:nth-child(1) { animation-delay: 0ms; }
.diary-card:nth-child(2) { animation-delay: 60ms; }
.diary-card:nth-child(3) { animation-delay: 120ms; }

.work-card {
  animation: fadeInUp 600ms var(--ease) both;
}

.work-card:nth-child(1) { animation-delay: 0ms; }
.work-card:nth-child(2) { animation-delay: 80ms; }

.principle {
  animation: fadeInUp 500ms var(--ease) both;
}

.principle:nth-child(1) { animation-delay: 0ms; }
.principle:nth-child(2) { animation-delay: 100ms; }
.principle:nth-child(3) { animation-delay: 200ms; }

@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 0;
  }

  .hero-summary {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .page-hero-grid,
  .feedback-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .feedback-aside {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .availability-card {
    margin-top: 0;
  }
}

@media (max-width: 760px) {
  :root {
    --header-height: 70px;
  }

  .header-inner,
  .hero-inner,
  .content-section,
  .page-hero,
  .tools-section,
  .works-section,
  .lab-section,
  .notes-section,
  .feedback-section,
  .comments-section,
  .showcase-shell,
  .detail-hero,
  .detail-actions,
  .detail-content,
  .note-detail,
  .site-footer {
    width: min(calc(100% - 32px), var(--max-width));
  }

  .brand-copy small {
    display: none;
  }

  .nav-toggle {
    display: block;
  }

  .js .site-nav {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    left: 0;
    visibility: hidden;
    opacity: 0;
    transform: translateY(-8px);
    padding: 12px;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: var(--paper);
    box-shadow: 0 22px 60px rgba(34, 42, 46, 0.14);
    transition: opacity 200ms var(--ease), transform 200ms var(--ease), visibility 200ms;
  }

  .js .site-nav.is-open {
    visibility: visible;
    opacity: 1;
    transform: translateY(0);
  }

  .js .site-nav a,
  .home-page .js .site-nav a {
    padding: 12px 10px;
    color: var(--ink-soft);
  }

  .js .site-nav a[aria-current="page"],
  .home-page .js .site-nav a[aria-current="page"] {
    color: var(--ink);
  }

  .js .site-nav a::after {
    display: none;
  }

  .home-page .nav-toggle {
    border-color: rgba(239, 242, 243, 0.3);
  }

  .hero::after {
    background:
      linear-gradient(180deg, rgba(25, 31, 35, 0.24), rgba(25, 31, 35, 0.08) 42%, rgba(18, 23, 26, 0.76)),
      linear-gradient(90deg, rgba(25, 31, 35, 0.88), rgba(25, 31, 35, 0.38) 72%, rgba(25, 31, 35, 0.2));
  }

  .hero-visual img {
    object-position: 76% center;
    filter: saturate(0.68) contrast(0.92) brightness(0.76);
  }

  .hero-inner {
    display: block;
    padding-top: calc(var(--header-height) + 92px);
  }

  .hero-title {
    font-size: clamp(48px, 10vw, 80px);
  }

  .hero-title .latin {
    margin-top: 8px;
    margin-left: 18vw;
    font-size: 0.58em;
  }

  .hero-summary {
    margin-top: 54px;
  }

  .hero-note {
    max-width: 42ch;
  }

  .hero-scroll {
    display: none;
  }

  .intro-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .tools-section-head,
  .tool-card {
    grid-template-columns: 1fr;
  }

  .tools-section-head {
    gap: 36px;
  }

  .tool-card-actions {
    gap: 36px;
  }

  .section-index {
    max-width: 150px;
  }

  .principles {
    grid-template-columns: 1fr;
  }

  .principle,
  .principle + .principle {
    min-height: 0;
    padding: 24px 0 30px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .principle h3 {
    margin-top: 30px;
  }

  .route-section-head {
    display: block;
  }

  .route-section-head p {
    margin-top: 22px;
  }

  .route-item {
    grid-template-columns: 46px minmax(0, 1fr) auto;
  }

  .notes-stage {
    grid-template-columns: 1fr;
  }

  .page-visual {
    aspect-ratio: 4 / 3;
  }

  .page-visual img {
    object-position: 58% center;
  }

  .page-visual-notes img {
    object-position: 42% center;
  }

  .page-visual-tools img {
    object-position: 38% center;
  }

  .portfolio-grid,
  .lab-grid,
  .detail-heading,
  .comment-layout {
    grid-template-columns: 1fr;
  }

  .portfolio-card-link {
    min-height: 440px;
  }

  .diary-notice,
  .truth-notice {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .diary-card a {
    grid-template-columns: 1fr auto;
    gap: 16px;
  }

  .diary-card time {
    grid-column: 1 / -1;
  }

  .detail-hero::after {
    right: -170px;
  }

  .detail-heading {
    gap: 28px;
  }

  .comment-composer > div {
    align-items: stretch;
    flex-direction: column;
  }

  .comment-meta {
    align-items: flex-start;
    flex-direction: column;
    gap: 6px;
  }

  .comment-reply {
    margin-left: 12px;
    padding: 16px;
  }

  .comment-reply-form {
    padding: 18px;
  }

  .reply-form-footer {
    align-items: stretch;
    flex-direction: column;
  }

  .reply-form-footer .button {
    width: 100%;
  }

  .comment-composer .button {
    width: 100%;
  }

  .notes-board {
    min-height: 380px;
    border-top: 1px solid rgba(239, 242, 243, 0.16);
    border-left: 0;
  }

  .form-row,
  .feedback-aside {
    grid-template-columns: 1fr;
  }

  .form-footer {
    align-items: stretch;
    flex-direction: column;
  }

  .form-footer .button {
    width: 100%;
  }

  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
    gap: 5px;
  }
}

@media (max-width: 480px) {
  .hero-inner {
    padding-bottom: 44px;
  }

  .hero-kicker {
    margin-bottom: 20px;
    font-size: 9px;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .hero-actions .button {
    width: 100%;
  }

  .tool-card-label {
    align-items: flex-start;
    flex-direction: column;
  }

  .tool-card-actions > div {
    grid-template-columns: 1fr;
  }

  .route-section {
    width: calc(100% - 16px);
  }

  .route-item {
    grid-template-columns: 1fr auto;
  }

  .route-item small {
    display: none;
  }

  .future-slot {
    min-height: 170px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}