:root {
  --bg: #fafaf7;
  --fg: #111;
  --muted: #555;
  --sub: #777;
  --hair: rgba(0, 0, 0, 0.12);
  --rule: #111;
  --card: #ffffff;
  --card-border: rgba(0, 0, 0, 0.15);
  --ph: #eceae2;
  --font: "Noto Sans JP", -apple-system, BlinkMacSystemFont, "Hiragino Sans", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  color-scheme: light;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

html,
body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  letter-spacing: 0.01em;
  min-width: 320px;
  min-height: 100vh;
}

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

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

button {
  font-family: inherit;
  color: inherit;
  background: transparent;
  border: 0;
  padding: 0;
  cursor: pointer;
}
.app {
  min-height: 100vh;
  background: var(--bg);
}

.main-content {
  min-height: calc(100vh - 80px);
}

.mono {
  font-family: var(--mono);
}

.caps {
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-size: 10px;
  font-weight: 600;
}

.loading {
  max-width: 1100px;
  margin: 0 auto;
  padding: 80px 44px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--sub);
}

.loading .spinner {
  width: 10px;
  height: 10px;
  background: var(--fg);
  display: inline-block;
  margin-right: 10px;
  animation: blink 1s steps(2) infinite;
  vertical-align: middle;
}

@keyframes blink {
  50% {
    opacity: 0;
  }
}

@media (max-width: 720px) {
  .loading {
    padding: 60px 22px;
  }
}
.site-topbar-wrap {
  max-width: 1100px;
  margin: 0 auto;
  padding: 34px 44px 0;
}

.site-topbar {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--rule);
  font-size: 11px;
}

.site-topbar a {
  transition: opacity 0.15s;
}

.site-topbar a:hover {
  opacity: 0.55;
}

@media (max-width: 720px) {
  .site-topbar-wrap {
    padding: 22px 22px 0;
  }
}
.wrap {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 44px 60px;
}

/* --- masthead / hero --- */
.hero {
  padding: 28px 0 46px;
}
.hero .kicker {
  margin-top: 22px;
  margin-bottom: 20px;
}
.hero-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  column-gap: 18px;
  align-items: end;
}
.mast {
  grid-column: 1 / span 8;
  font-size: 104px;
  line-height: 0.85;
  font-weight: 800;
  letter-spacing: -0.06em;
  margin: 0;
}
.lead {
  grid-column: 9 / span 4;
  padding-bottom: 8px;
  font-size: 20px;
  line-height: 1.35;
  font-weight: 500;
  letter-spacing: -0.01em;
  margin: 0;
}

/* --- section headings --- */
.sect-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  padding: 38px 0 10px;
}
.sect-head h2 {
  margin: 0;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}
.sect-head .count {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--sub);
  margin-left: 14px;
}
.sect-head .n {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--sub);
}
.sect-head .grp {
  display: flex;
  align-items: baseline;
  gap: 14px;
}

/* --- article list --- */
.articles {
  list-style: none;
  margin: 0;
  padding: 0;
}
.articles li {
  margin: 0;
  padding: 0;
}
.articles a {
  display: grid;
  grid-template-columns: 100px 1fr auto;
  gap: 20px;
  padding: 14px 0;
  border-top: 1px solid var(--hair);
  font-size: 15px;
  transition: background 0.18s, color 0.18s, padding 0.22s;
  align-items: baseline;
}
.articles li:last-child a {
  border-bottom: 1px solid var(--hair);
}
.articles .date {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
}
.articles .title {
  font-weight: 500;
  letter-spacing: -0.005em;
}
.articles .arrow {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--sub);
  opacity: 0;
  transition: opacity 0.15s, transform 0.2s;
}
.articles a:hover {
  background: var(--fg);
  color: var(--bg);
  padding-left: 12px;
  padding-right: 12px;
}
.articles a:hover .date {
  color: var(--bg);
  opacity: 0.7;
}
.articles a:hover .arrow {
  opacity: 0.8;
  transform: translateX(4px);
}

/* --- avatars --- */
.avgrid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px 22px;
  margin-top: 18px;
  padding: 0;
  list-style: none;
}
.avgrid li {
  margin: 0;
}
.avgrid a {
  display: block;
  background: var(--card);
  border: 1px solid var(--card-border);
  padding: 12px;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}
.avgrid .ph {
  aspect-ratio: 1 / 1;
  background-color: var(--ph);
  background-size: cover;
  background-position: center;
}
.avgrid .no {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--sub);
  margin-top: 10px;
}
.avgrid .name {
  font-weight: 600;
  letter-spacing: -0.005em;
  font-size: 16px;
  margin-top: 2px;
}
.avgrid .since {
  display: flex;
  justify-content: space-between;
  margin-top: 8px;
  font-size: 12px;
  font-family: var(--mono);
  color: var(--sub);
}
.avgrid a:hover {
  background: var(--fg);
  color: var(--bg);
  border-color: var(--fg);
}
.avgrid a:hover .no,
.avgrid a:hover .since {
  color: var(--bg);
  opacity: 0.75;
}
.avgrid a:hover .ph {
  filter: invert(1) hue-rotate(180deg);
}

/* --- colophon --- */
.colophon {
  margin-top: 50px;
  padding-top: 18px;
  border-top: 1px solid var(--rule);
  display: flex;
  justify-content: space-between;
  gap: 20px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--sub);
}

@media (max-width: 720px) {
  .wrap {
    padding: 0 22px 60px;
  }
  .mast {
    grid-column: 1 / -1;
    font-size: 56px;
  }
  .lead {
    grid-column: 1 / -1;
    padding-top: 14px;
  }
  .avgrid {
    grid-template-columns: repeat(2, 1fr);
  }
  .articles a {
    grid-template-columns: 86px 1fr;
  }
  .articles .arrow {
    display: none;
  }
  .colophon {
    flex-direction: column;
    gap: 4px;
  }
}
/* --- article page --- */
.art-wrap {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 2fr 1fr;
  gap: 30px;
  padding: 30px 44px 80px;
}
.art-side {
  padding-top: 80px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--sub);
  line-height: 1.8;
}
.art-side .run {
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  letter-spacing: 0.3em;
}
.art-side.r {
  text-align: right;
}

.art-body {
  max-width: 640px;
  margin: 0 auto;
  font-size: 16px;
  line-height: 1.95;
}
.art-body .meta-row {
  display: flex;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 11px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--rule);
  margin-bottom: 22px;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--muted);
}
.art-body h1 {
  font-size: 48px;
  line-height: 1.02;
  letter-spacing: -0.03em;
  font-weight: 800;
  margin: 8px 0 22px;
}
.art-body h2 {
  font-size: 20px;
  margin: 42px 0 12px;
  letter-spacing: -0.01em;
  font-weight: 700;
}
.art-body h3 {
  font-size: 16px;
  margin: 32px 0 10px;
  letter-spacing: -0.005em;
  font-weight: 700;
}
.art-body p {
  margin: 0 0 14px;
}
.art-body ul,
.art-body ol {
  margin: 6px 0 18px 22px;
  padding: 0;
}
.art-body li {
  margin: 0 0 4px;
}
.art-body img {
  margin: 22px 0;
  border: 1px solid var(--card-border);
}
.art-body iframe,
.art-body video {
  max-width: 100%;
  margin: 22px 0;
  border: 0;
  background: #000;
}
.art-body a {
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color 0.15s, background 0.15s;
}
.art-body a:hover {
  background: var(--fg);
  color: var(--bg);
}
.art-body blockquote {
  margin: 22px 0;
  padding: 4px 0 4px 18px;
  border-left: 2px solid var(--rule);
  color: var(--muted);
}
.art-body pre,
.art-body code {
  font-family: var(--mono);
  font-size: 13px;
}
.art-body pre {
  background: #fff;
  border: 1px solid var(--card-border);
  padding: 14px 16px;
  overflow-x: auto;
}
.art-body code {
  background: #fff;
  padding: 1px 5px;
  border: 1px solid var(--card-border);
}
.art-body pre code {
  background: transparent;
  padding: 0;
  border: 0;
}
.art-body .small-note {
  font-size: 11px;
  font-family: var(--mono);
  color: var(--sub);
  margin-left: 6px;
}

.art-nav {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 44px 60px;
  display: flex;
  justify-content: space-between;
  border-top: 1px solid var(--rule);
  padding-top: 18px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--sub);
  text-transform: uppercase;
  letter-spacing: 0.22em;
}
.art-nav a {
  transition: color 0.15s;
}
.art-nav a:hover {
  color: var(--fg);
}

/* --- avatar detail page --- */
.av-hero {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 36px;
  padding: 30px 44px 20px;
  max-width: 1100px;
  margin: 0 auto;
  align-items: start;
}
.av-hero .ph {
  aspect-ratio: 3 / 4;
  background-color: var(--ph);
  background-size: cover;
  background-position: center;
}
.av-hero .info h1 {
  font-size: 64px;
  line-height: 0.95;
  letter-spacing: -0.04em;
  font-weight: 800;
  margin: 10px 0 6px;
}
.av-hero .info .kana {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--sub);
  text-transform: uppercase;
}
.art-wrap--avatar {
  padding-top: 10px;
}

/* --- warning dialog --- */
.warning-dialog {
  position: fixed;
  inset: 0;
  background: rgba(250, 250, 247, 0.92);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 22px;
}
.warning-content {
  background: var(--card);
  border: 1px solid var(--rule);
  padding: 40px 36px;
  max-width: 480px;
  width: 100%;
}
.warning-kicker {
  color: var(--sub);
}
.warning-title {
  font-size: 40px;
  line-height: 1;
  letter-spacing: -0.04em;
  font-weight: 800;
  margin: 10px 0 18px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--rule);
}
.warning-message {
  font-size: 15px;
  line-height: 1.75;
  margin: 0 0 28px;
}
.warning-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.warning-button {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  padding: 12px 16px;
  border: 1px solid var(--rule);
  transition: background 0.15s, color 0.15s;
}
.warning-accept {
  background: var(--fg);
  color: var(--bg);
}
.warning-accept:hover {
  background: transparent;
  color: var(--fg);
}
.warning-cancel {
  background: transparent;
  color: var(--fg);
}
.warning-cancel:hover {
  background: var(--fg);
  color: var(--bg);
}

@media (max-width: 720px) {
  .art-wrap {
    grid-template-columns: 1fr;
    gap: 0;
    padding: 22px 22px 60px;
  }
  .art-side {
    display: none;
  }
  .art-body h1 {
    font-size: 36px;
  }
  .art-nav {
    padding: 18px 22px 60px;
  }
  .av-hero {
    grid-template-columns: 1fr;
    padding: 22px 22px 10px;
  }
  .av-hero .info h1 {
    font-size: 44px;
  }
  .warning-title {
    font-size: 32px;
  }
}