:root {
  --background: oklch(0.985 0.004 85);
  --foreground: oklch(0.22 0.015 60);
  --muted: oklch(0.95 0.008 80);
  --muted-foreground: oklch(0.5 0.015 60);
  --primary: oklch(0.28 0.02 50);
  --primary-foreground: oklch(0.98 0.005 90);
  --accent: oklch(0.62 0.09 55);
  --border: oklch(0.9 0.01 70);
  --font-serif: "Instrument Serif", "Noto Serif JP", Georgia, serif;
  --font-sans: "Inter", "Noto Sans JP", system-ui, sans-serif;
  --radius: 0.375rem;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-spring: cubic-bezier(0.34, 1.5, 0.5, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  border: 0 solid var(--border);
}

html,
body {
  height: 100%;
}

body {
  background: var(--background);
  color: var(--foreground);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "ss01", "cv11";
  line-height: 1.5;
}

button {
  background: none;
  cursor: pointer;
  font: inherit;
  color: inherit;
  border: 0;
  touch-action: manipulation;
}

a {
  color: inherit;
  text-decoration: none;
}
img {
  display: block;
  max-width: 100%;
  height: auto;
}
ul {
  list-style: none;
}

/* Layout */
.page {
  min-height: 100vh;
}

.container {
  margin: 0 auto;
  max-width: 72rem;
  padding: 4rem 1.5rem 6rem;
}

@media (min-width: 768px) {
  .container {
    padding: 6rem 2.5rem 6rem;
  }
}

/* Hero */
.hero {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--border);
}

@media (min-width: 768px) {
  .hero {
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
  }
}

.eyebrow {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 0.875rem;
  color: var(--muted-foreground);
}

.brand {
  font-family: var(--font-serif);
  font-size: clamp(2.75rem, 7vw, 4.5rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-top: 0.5rem;
}

.brand-dot {
  color: var(--muted-foreground);
}

.lead {
  margin-top: 1.25rem;
  max-width: 28rem;
  font-size: 0.875rem;
  color: var(--muted-foreground);
  line-height: 1.7;
}

.count {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--muted-foreground);
  white-space: nowrap;
}

/* Filter */
.filter {
  margin: 2.5rem -1.5rem 0;
  padding: 1rem 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

@media (min-width: 768px) {
  .filter {
    margin: 2.5rem -2.5rem 0;
    padding: 1rem 2.5rem;
  }
}

.pill {
  position: relative;
  border-radius: 9999px;
  padding: 0.375rem 0.875rem;
  font-size: 0.75rem;
  letter-spacing: 0.025em;
  color: var(--muted-foreground);
  transition: color 300ms ease;
  isolation: isolate;
}

.pill:hover {
  color: var(--foreground);
}

.pill.is-active {
  color: var(--primary-foreground);
}

.pill-bg {
  position: absolute;
  inset: 0;
  border-radius: 9999px;
  background: var(--primary);
  z-index: -1;
  opacity: 0;
  transform: scale(0.85);
  transition:
    opacity 220ms ease,
    transform 380ms var(--ease-spring);
}

.pill.is-active .pill-bg {
  opacity: 1;
  transform: scale(1);
}

.pill-label {
  position: relative;
  z-index: 1;
}

.divider {
  display: inline-block;
  width: 1px;
  height: 1rem;
  background: var(--border);
  margin: 0 0.25rem;
}

/* Grid */
.grid {
  margin-top: 2.5rem;
  display: grid;
  grid-template-columns: 1fr;
  column-gap: 2rem;
  row-gap: 3.5rem;
}

@media (min-width: 640px) {
  .grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Card */
.card {
  opacity: 0;
  transform: translateY(14px);
  transition:
    opacity 450ms var(--ease-out),
    transform 450ms var(--ease-out);
}

.card.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.card.is-hidden {
  display: none;
}

.card-link {
  display: block;
}

.thumb {
  position: relative;
  aspect-ratio: 4 / 2.8;
  overflow: hidden;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--muted);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.02);
  transition: box-shadow 500ms ease;
}

.card-link:hover .thumb {
  box-shadow: 0 20px 40px -24px rgba(0, 0, 0, 0.25);
}

.thumb-inner {
  position: absolute;
  inset: 0;
  transition: transform 1200ms var(--ease-out);
}

.card-link:hover .thumb-inner {
  transform: scale(1.03);
}

.thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.card-head {
  margin-top: 1rem;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
}

.card-title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  letter-spacing: -0.025em;
}

.card-no {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--muted-foreground);
  white-space: nowrap;
}

.card-desc {
  margin-top: 0.375rem;
  font-size: 0.875rem;
  color: var(--muted-foreground);
  line-height: 1.7;
}

.card-tags {
  margin-top: 0.75rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
}

.card-tags span {
  font-size: 11px;
  letter-spacing: 0.02em;
  color: var(--muted-foreground);
}

/* Empty */
.empty {
  margin-top: 5rem;
  text-align: center;
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--muted-foreground);
}

.empty[hidden] {
  display: none;
}

/* Footer */
.page-foot {
  margin-top: 6rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  font-size: 0.75rem;
  letter-spacing: 0.025em;
  color: var(--muted-foreground);
}

/* Dialog */
.template-dialog {
  width: min(960px, calc(100vw - 2rem));
  max-width: none;
  max-height: calc(100dvh - 2rem);
  margin: auto;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) * 2);
  background: var(--background);
  color: var(--foreground);
  overflow: hidden;
  box-shadow: 0 30px 80px -30px rgba(0, 0, 0, 0.4);
}

.template-dialog::backdrop {
  background: rgba(20, 18, 14, 0.45);
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
}

.dialog-inner {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  max-height: calc(100dvh - 2rem);
  padding: 1.75rem 1.5rem 1.5rem;
  overflow-y: auto;
}

@media (min-width: 768px) {
  .dialog-inner {
    padding: 2.25rem 2.5rem 2rem;
    gap: 1.75rem;
  }
}

.dialog-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.dialog-title-block {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.dialog-no {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--muted-foreground);
}

.dialog-title {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 4vw, 2rem);
  letter-spacing: -0.025em;
  line-height: 1.2;
}

.dialog-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: 9999px;
  font-size: 1.5rem;
  line-height: 1;
  color: var(--muted-foreground);
  transition:
    background 200ms ease,
    color 200ms ease;
}

.dialog-close:hover {
  background: var(--muted);
  color: var(--foreground);
}

.dialog-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
}

.dialog-tags span {
  font-size: 11px;
  letter-spacing: 0.02em;
  color: var(--muted-foreground);
}

/* Dialog previews */
.dialog-previews {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

@media (min-width: 720px) {
  .dialog-previews {
    grid-template-columns: 1.7fr 1fr;
    align-items: start;
  }
}

.dialog-preview {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin: 0;
}

.dialog-preview-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--muted-foreground);
}

.dialog-preview-frame {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--muted);
  display: flex;
  align-items: center;
  justify-content: center;
}

.dialog-preview--pc .dialog-preview-frame {
  aspect-ratio: 16 / 10;
}

.dialog-preview--sp .dialog-preview-frame {
  aspect-ratio: 9 / 16;
  max-width: 220px;
}

@media (min-width: 720px) {
  .dialog-preview--sp .dialog-preview-frame {
    max-width: none;
  }
}

.dialog-preview-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.dialog-preview-empty {
  padding: 1.5rem;
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--muted-foreground);
  text-align: center;
}

/* Dialog readme */
.dialog-readme {
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--foreground);
}

.dialog-readme.is-empty {
  font-style: italic;
  color: var(--muted-foreground);
}

.dialog-readme-note {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--muted-foreground);
}

.dialog-readme-fallback {
  margin-top: 0.5rem;
  font-style: normal;
  color: var(--foreground);
}

.dialog-readme h1,
.dialog-readme h2,
.dialog-readme h3,
.dialog-readme h4 {
  font-family: var(--font-serif);
  line-height: 1.3;
  letter-spacing: -0.015em;
  margin-top: 1.5em;
  margin-bottom: 0.5em;
}

.dialog-readme h1 {
  font-size: 1.35rem;
}

.dialog-readme h2 {
  font-size: 1.15rem;
  padding-bottom: 0.25em;
  border-bottom: 1px solid var(--border);
}

.dialog-readme h3 {
  font-size: 1rem;
}

.dialog-readme h4 {
  font-size: 0.9rem;
  color: var(--muted-foreground);
}

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

.dialog-readme p,
.dialog-readme ul,
.dialog-readme ol,
.dialog-readme pre,
.dialog-readme blockquote {
  margin: 0.75em 0;
}

.dialog-readme ul,
.dialog-readme ol {
  padding-left: 1.5em;
}

.dialog-readme ul {
  list-style: disc;
}

.dialog-readme ol {
  list-style: decimal;
}

.dialog-readme li + li {
  margin-top: 0.25em;
}

.dialog-readme code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.85em;
  padding: 0.15em 0.4em;
  border-radius: 4px;
  background: var(--muted);
}

.dialog-readme pre {
  padding: 0.875em 1em;
  border-radius: var(--radius);
  background: var(--muted);
  overflow-x: auto;
  font-size: 0.8rem;
  line-height: 1.6;
}

.dialog-readme pre code {
  padding: 0;
  background: transparent;
  font-size: inherit;
}

.dialog-readme blockquote {
  padding-left: 1em;
  border-left: 2px solid var(--border);
  color: var(--muted-foreground);
}

.dialog-readme a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 0.15em;
}

/* Dialog actions */
.dialog-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  position: sticky;
  bottom: -1.5rem;
  margin-top: auto;
  padding-bottom: 1.5rem;
  background: var(--card);
}

@media (min-width: 768px) {
  .dialog-actions {
    bottom: -2rem;
    padding-bottom: 2rem;
  }
}

.dialog-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.625rem 1.25rem;
  border-radius: 9999px;
  border: 1px solid var(--border);
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  color: var(--foreground);
  background: var(--background);
  transition:
    background 200ms ease,
    color 200ms ease,
    border-color 200ms ease;
}

.dialog-button:hover {
  background: var(--muted);
}

.dialog-button--primary {
  background: var(--primary);
  color: var(--primary-foreground);
  border-color: var(--primary);
}

.dialog-button--primary:hover {
  background: color-mix(in srgb, var(--primary) 88%, transparent);
}