:root {
  --archive-navy: #13245c;
  --archive-blue: #3e70dc;
  --archive-background: #f7faff;
  --archive-panel: rgba(255, 255, 255, 0.78);
  --archive-line: rgba(19, 36, 92, 0.18);
  --archive-line-strong: rgba(19, 36, 92, 0.32);
  --archive-muted: rgba(19, 36, 92, 0.62);
  --archive-faint: rgba(19, 36, 92, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  color: var(--archive-navy);
  background: var(--archive-background);
  font-family:
    -apple-system,
    BlinkMacSystemFont,
    "Helvetica Neue",
    "Hiragino Kaku Gothic ProN",
    "Yu Gothic",
    sans-serif;
}

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  background-color: var(--archive-background);
  background-image:
    linear-gradient(
      var(--archive-faint) 1px,
      transparent 1px
    ),
    linear-gradient(
      90deg,
      var(--archive-faint) 1px,
      transparent 1px
    );
  background-size: 32px 32px;
}

a {
  color: inherit;
}

.archive-page {
  width: min(100% - 48px, 1120px);
  margin: 0 auto;
  padding: 64px 0 112px;
}

/* ========================================================
   Utility navigation
   ======================================================== */

.archive-page__navigation {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 80px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--archive-line);
}

.archive-page__home,
.archive-page__archive-link {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-decoration: none;
}

.archive-page__archive-link {
  color: var(--archive-muted);
}

/* ========================================================
   Hero
   Portfolioを基準とするArchive共通Hero
   ======================================================== */

.archive-hero {
  display: grid;
  grid-template-columns:
    minmax(0, 1.35fr)
    minmax(280px, 0.65fr);
  gap: clamp(40px, 7vw, 96px);
  align-items: end;
  margin-bottom: 72px;
}

.archive-hero__heading {
  min-width: 0;
}

.archive-hero__label {
  margin: 0 0 14px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  font-variant-numeric: tabular-nums;
}

.archive-hero h1 {
  margin: 0;
  font-size: clamp(3.8rem, 9vw, 8.5rem);
  font-weight: 450;
  letter-spacing: -0.065em;
  line-height: 0.85;
}

.archive-hero__description {
  max-width: 38rem;
  margin: 20px 0 0;
  color: var(--archive-muted);
  font-size: clamp(0.86rem, 1.5vw, 1rem);
  line-height: 1.8;
  letter-spacing: 0.08em;
}

.archive-hero__index {
  margin: 0;
  padding: 18px 0;
  border-top: 1px solid var(--archive-line-strong);
  border-bottom: 1px solid var(--archive-line-strong);
}

.archive-hero__index div {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  padding: 12px 0;
  border-bottom: 1px solid var(--archive-line);
}

.archive-hero__index div:last-child {
  border-bottom: 0;
}

.archive-hero__index dt,
.archive-hero__index dd {
  margin: 0;
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.14em;
}

.archive-hero__index dt {
  color: var(--archive-muted);
}

/* ========================================================
   Status panel
   ======================================================== */

.archive-status {
  margin-bottom: 64px;
  border-top: 1px solid var(--archive-line-strong);
  border-bottom: 1px solid var(--archive-line-strong);
  background: var(--archive-panel);
}

.archive-status__heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin: 0;
  padding: 16px 20px;
  border-bottom: 1px solid var(--archive-line);
}

.archive-status__label,
.archive-status__caption {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.16em;
}

.archive-status__caption {
  color: var(--archive-muted);
}

.archive-status__list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 0;
}

.archive-status__item {
  padding: 22px 20px;
  border-right: 1px solid var(--archive-line);
}

.archive-status__item:last-child {
  border-right: 0;
}

.archive-status__item dt,
.archive-status__item dd {
  margin: 0;
}

.archive-status__item dt {
  margin-bottom: 10px;
  color: var(--archive-muted);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.14em;
}

.archive-status__item dd {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

/* ========================================================
   Archive sections
   ======================================================== */

.archive-sections {
  border-top: 1px solid var(--archive-line-strong);
}

.archive-section {
  display: grid;
  grid-template-columns: minmax(180px, 0.32fr) minmax(0, 1fr);
  gap: clamp(36px, 7vw, 96px);
  padding: 42px 0 48px;
  border-bottom: 1px solid var(--archive-line-strong);
}

.archive-section__number {
  margin: 0 0 14px;
  color: var(--archive-muted);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.16em;
}

.archive-section h2 {
  margin: 0;
  font-size: clamp(1.35rem, 3vw, 2.2rem);
  font-weight: 500;
  letter-spacing: -0.035em;
  line-height: 1.15;
}

.archive-section__status {
  display: inline-flex;
  margin-top: 18px;
  padding: 7px 9px;
  border: 1px solid var(--archive-line);
  color: var(--archive-muted);
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.archive-section__description {
  max-width: 42rem;
  margin: 0;
  color: var(--archive-muted);
  font-size: 0.88rem;
  line-height: 2;
}

.archive-section__placeholder {
  display: grid;
  min-height: 132px;
  margin-top: 24px;
  padding: 20px;
  border-top: 1px solid var(--archive-line);
  border-bottom: 1px solid var(--archive-line);
  place-items: center start;
}

.archive-section__placeholder p {
  margin: 0;
  color: var(--archive-muted);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.14em;
}

/* ========================================================
   Compact preparation page
   ======================================================== */

.archive-preparation {
  display: grid;
  min-height: calc(100vh - 260px);
  place-items: center;
}

.archive-preparation__panel {
  width: min(100%, 760px);
  border-top: 1px solid var(--archive-line-strong);
  border-bottom: 1px solid var(--archive-line-strong);
  background: var(--archive-panel);
}

.archive-preparation__status {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  margin: 0;
  padding: 16px 20px;
  border-bottom: 1px solid var(--archive-line);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.16em;
}

.archive-preparation__content {
  padding: clamp(42px, 8vw, 80px) 20px;
}

.archive-preparation__label {
  margin: 0 0 18px;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.18em;
}

.archive-preparation h1 {
  margin: 0;
  font-size: clamp(3.6rem, 11vw, 7.4rem);
  font-weight: 450;
  letter-spacing: -0.07em;
  line-height: 0.85;
}

.archive-preparation__description {
  max-width: 36rem;
  margin: 32px 0 0;
  color: var(--archive-muted);
  font-size: 0.9rem;
  line-height: 2;
}

.archive-preparation__back {
  display: inline-flex;
  margin-top: 40px;
  padding-bottom: 4px;
  border-bottom: 1px solid currentColor;
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-decoration: none;
}

/* ========================================================
   Footer
   ======================================================== */

.archive-page-footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding:
    28px
    max(24px, calc((100% - 1120px) / 2));
  border-top: 1px solid var(--archive-line);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
}

.archive-page-footer p {
  margin: 0;
}

.archive-page-footer a {
  text-decoration: none;
}

/* ========================================================
   Responsive
   ======================================================== */

@media (max-width: 800px) {
  .archive-page {
    width: min(100% - 32px, 1120px);
    padding-top: 32px;
    padding-bottom: 72px;
  }

  .archive-page__navigation {
    margin-bottom: 56px;
  }

  .archive-hero {
    grid-template-columns: 1fr;
    gap: 40px;
    margin-bottom: 28px;
  }

  .archive-status {
    margin-bottom: 28px;
  }

  .archive-status__list {
    grid-template-columns: 1fr;
  }

  .archive-status__item {
    border-right: 0;
    border-bottom: 1px solid var(--archive-line);
  }

  .archive-status__item:last-child {
    border-bottom: 0;
  }

  .archive-section {
    grid-template-columns: 1fr;
    gap: 28px;
    padding: 34px 0 40px;
  }
}

@media (max-width: 520px) {
  .archive-page__navigation,
  .archive-status__heading,
  .archive-preparation__status,
  .archive-page-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .archive-page__navigation {
    gap: 12px;
  }

  .archive-hero h1 {
    font-size: clamp(3.5rem, 20vw, 5rem);
  }

  .archive-preparation h1 {
    font-size: clamp(3.2rem, 19vw, 5rem);
  }
}

/* ========================================================
   Network page
   ======================================================== */

.network-theme {
  --archive-navy: #e9f7ff;
  --archive-blue: #70dbff;
  --archive-background: #252a30;
  --archive-panel: rgba(12, 17, 22, 0.76);
  --archive-line: rgba(112, 219, 255, 0.17);
  --archive-line-strong: rgba(112, 219, 255, 0.38);
  --archive-muted: rgba(223, 239, 247, 0.66);
  --archive-faint: rgba(112, 219, 255, 0.055);

  color: var(--archive-navy);
  background-color: var(--archive-background);
  background-image:
    linear-gradient(
      var(--archive-faint) 1px,
      transparent 1px
    ),
    linear-gradient(
      90deg,
      var(--archive-faint) 1px,
      transparent 1px
    );
}

.network-theme .archive-page-footer {
  background: rgba(15, 20, 25, 0.72);
}

.network-page .archive-page__home {
  color: #ffffff;
}

.network-page .archive-page__archive-link {
  transition:
    color 160ms ease,
    transform 160ms ease;
}

.network-page .archive-page__archive-link:hover {
  color: var(--archive-blue);
  transform: translateX(3px);
}

/* Network hero */

.network-page .archive-hero__label {
  color: var(--archive-blue);
}

.network-page .archive-hero h1 {
  color: #f3fbff;
  text-shadow:
    0 0 26px rgba(112, 219, 255, 0.08);
}

.network-page .archive-hero__index dd {
  color: #ffffff;
}

.network-status {
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.025),
    0 22px 60px rgba(0, 0, 0, 0.12);
}

.network-status .archive-status__caption {
  color: var(--archive-blue);
}

/* Network groups */

.network-group {
  margin-top: 96px;
}

.network-group--primary {
  margin-top: 0;
}

.network-group__heading {
  display: grid;
  grid-template-columns:
    minmax(180px, 0.32fr)
    minmax(0, 1fr);
  gap: clamp(36px, 7vw, 96px);
  align-items: end;
  margin-bottom: 24px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--archive-line-strong);
}

.network-group__label {
  margin: 0;
  color: var(--archive-blue);
  font-size: 0.64rem;
  font-weight: 700;
  letter-spacing: 0.18em;
}

.network-group__heading h2 {
  margin: 0;
  font-size: clamp(1.4rem, 3vw, 2.25rem);
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 1;
}

.network-channel-list {
  display: grid;
  gap: 18px;
}

/* Channel card */

.network-channel {
  position: relative;
  display: grid;
  grid-template-columns:
    minmax(96px, 0.18fr)
    minmax(0, 1fr)
    minmax(190px, 0.3fr);
  gap: clamp(24px, 4vw, 52px);
  align-items: stretch;
  overflow: hidden;
  border: 1px solid var(--archive-line);
  background:
    linear-gradient(
      135deg,
      rgba(255, 255, 255, 0.035),
      transparent 42%
    ),
    rgba(13, 18, 23, 0.7);
  box-shadow:
    0 20px 50px rgba(0, 0, 0, 0.14);
  transition:
    border-color 180ms ease,
    transform 180ms ease,
    box-shadow 180ms ease;
}

.network-channel::before {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 2px;
  background: var(--archive-line-strong);
  content: "";
}

.network-channel:hover {
  border-color: rgba(112, 219, 255, 0.5);
  box-shadow:
    0 26px 70px rgba(0, 0, 0, 0.2),
    0 0 36px rgba(112, 219, 255, 0.035);
  transform: translateY(-2px);
}

.network-channel--primary {
  min-height: 296px;
  border-color: rgba(112, 219, 255, 0.42);
  background:
    radial-gradient(
      circle at 12% 15%,
      rgba(88, 101, 242, 0.2),
      transparent 35%
    ),
    linear-gradient(
      135deg,
      rgba(112, 219, 255, 0.08),
      transparent 48%
    ),
    rgba(11, 16, 22, 0.9);
}

.network-channel--primary::before {
  height: 3px;
  background: var(--archive-blue);
  box-shadow:
    0 0 18px rgba(112, 219, 255, 0.5);
}

/* Icons */

.network-channel__icon {
  display: grid;
  min-width: 0;
  padding: 30px;
  border-right: 1px solid var(--archive-line);
  color: rgba(233, 247, 255, 0.74);
  place-items: center;
}

.network-channel__icon svg {
  display: block;
  width: min(100%, 82px);
  height: auto;
  max-height: 82px;
}

.network-channel--primary .network-channel__icon {
  color: #8f9aff;
}

.network-channel--primary .network-channel__icon svg {
  width: min(100%, 116px);
  max-height: 116px;
}

.network-channel--youtube .network-channel__icon {
  color: #ff6666;
}

.network-channel--twitter .network-channel__icon {
  color: #58b8ff;
}

.network-channel--instagram .network-channel__icon {
  color: #f0a7ff;
}

/* Channel content */

.network-channel__content {
  min-width: 0;
  padding: 32px 0;
}

.network-channel__heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 24px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--archive-line);
}

.network-channel__heading h3 {
  margin: 0;
  color: #ffffff;
  font-size: clamp(1.45rem, 3vw, 2.35rem);
  font-weight: 500;
  letter-spacing: -0.045em;
}

.network-channel__role {
  color: var(--archive-blue);
  font-size: 0.61rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  white-space: nowrap;
}

.network-channel__description {
  max-width: 42rem;
  margin: 24px 0 0;
  color: var(--archive-muted);
  font-size: 0.86rem;
  line-height: 1.95;
}

.network-channel__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 26px;
}

.network-channel__tag {
  display: inline-flex;
  padding: 7px 9px;
  border: 1px solid var(--archive-line);
  color: rgba(233, 247, 255, 0.68);
  font-size: 0.56rem;
  font-weight: 700;
  letter-spacing: 0.11em;
}

/* Connection panel */

.network-channel__connection {
  display: flex;
  min-width: 0;
  padding: 32px 28px;
  border-left: 1px solid var(--archive-line);
  flex-direction: column;
  justify-content: space-between;
}

.network-signal__label,
.network-signal__value {
  margin: 0;
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.14em;
}

.network-signal__label {
  color: var(--archive-muted);
}

.network-signal__bars {
  display: grid;
  grid-template-columns: repeat(8, minmax(3px, 1fr));
  gap: 4px;
  height: 30px;
  margin: 14px 0 12px;
  align-items: end;
}

.network-signal__bar {
  display: block;
  height: 22%;
  border: 1px solid var(--archive-line);
  background: rgba(112, 219, 255, 0.035);
}

.network-signal__bar:nth-child(2) {
  height: 32%;
}

.network-signal__bar:nth-child(3) {
  height: 42%;
}

.network-signal__bar:nth-child(4) {
  height: 52%;
}

.network-signal__bar:nth-child(5) {
  height: 64%;
}

.network-signal__bar:nth-child(6) {
  height: 76%;
}

.network-signal__bar:nth-child(7) {
  height: 88%;
}

.network-signal__bar:nth-child(8) {
  height: 100%;
}

.network-signal__bar--active {
  border-color: var(--archive-blue);
  background: var(--archive-blue);
  box-shadow:
    0 0 8px rgba(112, 219, 255, 0.22);
}

.network-signal__value {
  color: var(--archive-blue);
}

.network-channel__connect {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 34px;
  padding: 14px 0;
  border-top: 1px solid var(--archive-line);
  border-bottom: 1px solid var(--archive-line);
  color: #ffffff;
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-decoration: none;
  transition:
    color 160ms ease,
    padding 160ms ease;
}

.network-channel__connect:hover {
  padding-right: 6px;
  color: var(--archive-blue);
}

.network-channel__address {
  overflow-wrap: anywhere;
  margin: 16px 0 0;
  color: var(--archive-muted);
  font-size: 0.58rem;
  line-height: 1.6;
}

/* About block */

.network-about {
  display: grid;
  grid-template-columns:
    minmax(180px, 0.32fr)
    minmax(0, 1fr);
  gap: clamp(36px, 7vw, 96px);
  margin-top: 112px;
  padding: 38px 0;
  border-top: 1px solid var(--archive-line-strong);
  border-bottom: 1px solid var(--archive-line-strong);
}

.network-about__label {
  margin: 0;
  color: var(--archive-blue);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.17em;
}

.network-about__content h2 {
  margin: 0;
  color: #ffffff;
  font-size: clamp(1.4rem, 3vw, 2.2rem);
  font-weight: 500;
  letter-spacing: -0.04em;
}

.network-about__content p {
  max-width: 42rem;
  margin: 24px 0 0;
  color: var(--archive-muted);
  font-size: 0.86rem;
  line-height: 2;
}

/* Network responsive */

@media (max-width: 900px) {
  .network-channel {
    grid-template-columns: 92px minmax(0, 1fr);
  }

  .network-channel__connection {
    display: grid;
    grid-column: 1 / -1;
    grid-template-columns:
      minmax(0, 1fr)
      minmax(160px, 0.34fr);
    gap: 28px;
    border-top: 1px solid var(--archive-line);
    border-left: 0;
  }

  .network-channel__connect {
    align-self: end;
    margin-top: 0;
  }

  .network-channel__address {
    grid-column: 2;
  }
}

@media (max-width: 680px) {
  .network-group {
    margin-top: 72px;
  }

  .network-group__heading,
  .network-about {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .network-channel {
    grid-template-columns: 1fr;
  }

  .network-channel__icon {
    min-height: 150px;
    border-right: 0;
    border-bottom: 1px solid var(--archive-line);
  }

  .network-channel__content {
    padding: 28px 20px;
  }

  .network-channel__heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
  }

  .network-channel__connection {
    display: flex;
    grid-column: auto;
    padding: 26px 20px;
  }

  .network-channel__connect {
    margin-top: 28px;
  }

  .network-channel__address {
    grid-column: auto;
  }

  .network-about {
    margin-top: 80px;
  }
}

/* ========================================================
   Network Revision 1
   Interaction hierarchy / connection overview
   ======================================================== */

/* Compact network entrance */

.network-page {
  padding-top: 48px;
}

.network-page .archive-page__navigation {
  margin-bottom: 52px;
}

.network-page .archive-hero {
  gap: clamp(40px, 7vw, 88px);
  margin-bottom: 44px;
}

.network-page .archive-hero__label {
  margin-bottom: 14px;
  font-size: 0.64rem;
}

.network-page .archive-hero h1 {
  font-size: clamp(3.5rem, 9vw, 6.85rem);
  line-height: 0.84;
}

.network-page .archive-hero__description {
  max-width: 35rem;
  margin-top: 24px;
  font-size: 0.84rem;
  line-height: 1.85;
}

.network-page .archive-hero__index {
  padding: 12px 0;
}

.network-page .archive-hero__index div {
  padding: 9px 0;
}

.network-page .archive-hero__index dt,
.network-page .archive-hero__index dd {
  font-size: 0.61rem;
}

/* Connection overview */

.network-overview {
  margin-bottom: 38px;
  border-top: 1px solid var(--archive-line-strong);
  border-bottom: 1px solid var(--archive-line-strong);
  background:
    linear-gradient(
      90deg,
      rgba(112, 219, 255, 0.035),
      transparent 36%
    ),
    rgba(12, 17, 22, 0.58);
}

.network-overview__heading {
  display: grid;
  grid-template-columns:
    minmax(170px, 0.32fr)
    minmax(0, 1fr)
    auto;
  gap: clamp(24px, 5vw, 64px);
  align-items: baseline;
  padding: 14px 18px;
  border-bottom: 1px solid var(--archive-line);
}

.network-overview__label,
.network-overview__caption {
  margin: 0;
  color: var(--archive-blue);
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.16em;
}

.network-overview__heading h2 {
  margin: 0;
  color: #ffffff;
  font-size: clamp(1rem, 2vw, 1.32rem);
  font-weight: 500;
  letter-spacing: -0.025em;
}

.network-overview__caption {
  color: var(--archive-muted);
  white-space: nowrap;
}

.network-overview__list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.network-overview__item {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-rows: auto auto;
  gap: 5px 12px;
  min-width: 0;
  padding: 18px;
  border-right: 1px solid var(--archive-line);
  text-decoration: none;
  transition:
    background-color 160ms ease,
    color 160ms ease;
}

.network-overview__item:last-child {
  border-right: 0;
}

.network-overview__item::before {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 2px;
  background: transparent;
  content: "";
  transition:
    background-color 160ms ease,
    box-shadow 160ms ease;
}

.network-overview__item:hover {
  background: rgba(112, 219, 255, 0.055);
}

.network-overview__item:hover::before {
  background: rgba(112, 219, 255, 0.68);
}

.network-overview__item--primary {
  background:
    linear-gradient(
      135deg,
      rgba(88, 101, 242, 0.16),
      transparent 75%
    );
}

.network-overview__item--primary::before {
  background: var(--archive-blue);
  box-shadow:
    0 0 14px rgba(112, 219, 255, 0.32);
}

.network-overview__number {
  grid-row: 1 / 3;
  color: var(--archive-blue);
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.network-overview__content {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 5px;
}

.network-overview__content strong {
  overflow: hidden;
  color: #ffffff;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.network-overview__content small {
  overflow: hidden;
  color: var(--archive-muted);
  font-size: 0.52rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.network-overview__status {
  grid-column: 2;
  width: fit-content;
  color: var(--archive-blue);
  font-size: 0.51rem;
  font-weight: 700;
  letter-spacing: 0.14em;
}

.network-overview__status::before {
  display: inline-block;
  width: 5px;
  height: 5px;
  margin-right: 7px;
  border-radius: 50%;
  background: var(--archive-blue);
  box-shadow:
    0 0 8px rgba(112, 219, 255, 0.58);
  vertical-align: 1px;
  content: "";
}

/* Compact status */

.network-status {
  margin-bottom: 58px;
}

.network-status .archive-status__heading {
  padding: 12px 18px;
}

.network-status .archive-status__item {
  padding: 16px 18px;
}

.network-status .archive-status__item dt {
  margin-bottom: 7px;
}

/* Denser channel hierarchy */

.network-group {
  margin-top: 76px;
}

.network-group--primary {
  margin-top: 0;
}

.network-group__heading {
  margin-bottom: 18px;
  padding-bottom: 14px;
}

.network-channel-list {
  gap: 14px;
}

.network-channel {
  grid-template-columns:
    minmax(84px, 0.16fr)
    minmax(0, 1fr)
    minmax(176px, 0.27fr);
  gap: clamp(20px, 3.4vw, 42px);
}

.network-channel--primary {
  min-height: 250px;
  border-color: rgba(112, 219, 255, 0.56);
  box-shadow:
    0 24px 64px rgba(0, 0, 0, 0.18),
    0 0 44px rgba(112, 219, 255, 0.035);
}

.network-channel--primary::before {
  box-shadow:
    0 0 22px rgba(112, 219, 255, 0.62);
}

.network-channel__icon {
  padding: 24px;
}

.network-channel__icon svg {
  width: min(100%, 70px);
  max-height: 70px;
}

.network-channel--primary .network-channel__icon {
  color: #a5adff;
  background:
    radial-gradient(
      circle at center,
      rgba(88, 101, 242, 0.1),
      transparent 68%
    );
}

.network-channel--primary .network-channel__icon svg {
  width: min(100%, 104px);
  max-height: 104px;
  filter:
    drop-shadow(0 0 12px rgba(143, 154, 255, 0.16));
}

.network-channel__content {
  padding: 26px 0;
}

.network-channel__heading {
  gap: 18px;
  padding-bottom: 14px;
}

.network-channel__description {
  margin-top: 18px;
  font-size: 0.82rem;
  line-height: 1.85;
}

.network-channel__tags {
  gap: 6px;
  margin-top: 20px;
}

.network-channel__tag {
  padding: 6px 8px;
  font-size: 0.53rem;
}

.network-channel__connection {
  padding: 26px 24px;
}

.network-signal__bars {
  height: 26px;
  margin: 11px 0 10px;
}

.network-channel__connect {
  margin-top: 26px;
  padding: 12px 0;
}

.network-channel__address {
  margin-top: 12px;
}

/* Network Revision 1 responsive */

@media (max-width: 900px) {
  .network-overview__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .network-overview__item:nth-child(2) {
    border-right: 0;
  }

  .network-overview__item:nth-child(-n + 2) {
    border-bottom: 1px solid var(--archive-line);
  }

  .network-channel {
    grid-template-columns: 84px minmax(0, 1fr);
  }
}

@media (max-width: 680px) {
  .network-page {
    padding-top: 32px;
  }

  .network-page .archive-page__navigation {
    margin-bottom: 42px;
  }

  .network-page .archive-hero {
    gap: 28px;
    margin-bottom: 36px;
  }

  .network-page .archive-hero h1 {
    font-size: clamp(3.4rem, 18vw, 4.8rem);
  }

  .network-page .archive-hero__description {
    margin-top: 20px;
    line-height: 1.8;
  }

  .network-overview {
    margin-bottom: 28px;
  }

  .network-overview__heading {
    grid-template-columns: 1fr auto;
    gap: 8px 16px;
  }

  .network-overview__label {
    grid-column: 1 / -1;
  }

  .network-overview__list {
    grid-template-columns: 1fr;
  }

  .network-overview__item {
    border-right: 0;
    border-bottom: 1px solid var(--archive-line);
  }

  .network-overview__item:nth-child(2) {
    border-right: 0;
  }

  .network-overview__item:last-child {
    border-bottom: 0;
  }

  .network-status {
    margin-bottom: 50px;
  }

  .network-group {
    margin-top: 62px;
  }

  .network-channel--primary {
    min-height: 0;
  }

  .network-channel__icon {
    min-height: 124px;
    padding: 22px;
  }

  .network-channel__content {
    padding: 24px 20px;
  }

  .network-channel__connection {
    padding: 22px 20px;
  }

  .network-about {
    margin-top: 68px;
  }
}

@media (max-width: 520px) {
  .network-overview__heading {
    grid-template-columns: 1fr;
  }

  .network-overview__caption {
    white-space: normal;
  }

  .network-status .archive-status__heading {
    gap: 8px;
  }
}

/* ========================================================
   Network Revision 1.1
   Remove redundant status / repair mobile channel cards
   ======================================================== */

/* ACTIVE CONNECTIONSからPrimary Hubへ直接つなぐ */

.network-overview {
  margin-bottom: 58px;
}

/* Discord iconを装飾より識別記号として扱う */

.network-channel--primary .network-channel__icon {
  color: #9ba6ff;
}

.network-channel--primary .network-channel__icon svg {
  filter:
    drop-shadow(0 0 10px rgba(143, 154, 255, 0.14));
}

/* Mobile card structure correction */

@media (max-width: 680px) {
  .network-overview {
    margin-bottom: 50px;
  }

  .network-channel,
  .network-channel--primary {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0;
    min-height: 0;
    align-items: start;
  }

  .network-channel__icon {
    display: grid;
    width: 100%;
    min-height: 108px;
    padding: 22px 20px;
    border-right: 0;
    border-bottom: 1px solid var(--archive-line);
    place-items: center;
  }

  .network-channel__icon svg {
    width: 62px;
    max-height: 62px;
  }

  .network-channel--primary .network-channel__icon svg {
    width: 76px;
    max-height: 76px;
  }

  .network-channel__content {
    width: 100%;
    padding: 24px 20px 26px;
  }

  .network-channel__heading {
    display: flex;
    align-items: flex-start;
    flex-direction: column;
    gap: 9px;
    padding-bottom: 16px;
  }

  .network-channel__heading h3 {
    font-size: clamp(1.65rem, 9vw, 2.2rem);
  }

  .network-channel__description {
    max-width: none;
    margin-top: 18px;
    font-size: 0.82rem;
    line-height: 1.8;
  }

  .network-channel__tags {
    margin-top: 20px;
  }

  .network-channel__connection {
    display: block;
    grid-column: auto;
    width: 100%;
    padding: 22px 20px 24px;
    border-top: 1px solid var(--archive-line);
    border-left: 0;
  }

  .network-signal {
    width: 100%;
  }

  .network-signal__bars {
    width: min(100%, 210px);
  }

  .network-channel__connect {
    display: flex;
    width: 100%;
    margin-top: 24px;
    padding: 14px 0;
  }

  .network-channel__address {
    grid-column: auto;
    max-width: none;
    margin-top: 14px;
    font-size: 0.58rem;
    overflow-wrap: anywhere;
  }

  .network-channel-list {
    gap: 16px;
  }
}

/* ========================================================
   Network Revision 1.2
   Final external channel layout
   ======================================================== */

/*
 * Desktop:
 * Discord remains the large Primary Hub.
 * YouTube, Twitter and Instagram form one equal card row.
 */

@media (min-width: 901px) {
  .network-channel-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
    align-items: stretch;
  }

  .network-channel-list .network-channel {
    display: flex;
    min-width: 0;
    min-height: 430px;
    gap: 0;
    flex-direction: column;
  }

  .network-channel-list .network-channel__icon {
    width: 100%;
    min-height: 126px;
    padding: 24px;
    border-right: 0;
    border-bottom: 1px solid var(--archive-line);
  }

  .network-channel-list .network-channel__icon svg {
    width: 68px;
    max-height: 68px;
  }

  .network-channel-list .network-channel__content {
    display: flex;
    width: 100%;
    padding: 24px 22px;
    flex: 1;
    flex-direction: column;
  }

  .network-channel-list .network-channel__heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
    padding-bottom: 14px;
  }

  .network-channel-list .network-channel__heading h3 {
    font-size: clamp(1.42rem, 2.2vw, 1.9rem);
  }

  .network-channel-list .network-channel__role {
    white-space: normal;
  }

  .network-channel-list .network-channel__description {
    margin-top: 17px;
    font-size: 0.78rem;
    line-height: 1.8;
  }

  .network-channel-list .network-channel__tags {
    gap: 6px;
    margin-top: 18px;
  }

  .network-channel-list .network-channel__connection {
    display: block;
    width: 100%;
    padding: 20px 22px 22px;
    border-top: 1px solid var(--archive-line);
    border-left: 0;
  }

  .network-channel-list .network-signal__bars {
    width: 100%;
    height: 24px;
    margin: 10px 0 9px;
  }

  .network-channel-list .network-channel__connect {
    width: 100%;
    margin-top: 20px;
    padding: 12px 0;
  }

  .network-channel-list .network-channel__address {
    margin-top: 11px;
  }

  /*
   * The map belongs to the same network sequence,
   * so it sits closer to the final external card row.
   */

  .network-about {
    margin-top: 48px;
  }
}

/* Tablet keeps a readable stacked layout. */

@media (min-width: 681px) and (max-width: 900px) {
  .network-about {
    margin-top: 52px;
  }
}

/* Mobile retains the repaired single-column cards. */

@media (max-width: 680px) {
  .network-about {
    margin-top: 44px;
  }
}

/* ========================================================
   Unified Archive Hero responsive standard
   ======================================================== */

@media (max-width: 900px) {
  .archive-hero {
    grid-template-columns: 1fr;
    gap: 48px;
    margin-bottom: 72px;
  }

  .archive-hero__index {
    width: min(100%, 520px);
  }
}

@media (max-width: 600px) {
  .archive-hero {
    gap: 40px;
    margin-bottom: 28px;
  }

  .archive-hero h1 {
    font-size: clamp(3.4rem, 19vw, 5.4rem);
  }

  .archive-hero__description {
    margin-top: 22px;
  }
}


/* ========================================================
   Archive Site Header
   Portfolioを基準とする全Archiveページ共通Header
   ======================================================== */

.archive-site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  padding: 16px clamp(20px, 4vw, 64px);
  border-bottom: 1px solid var(--archive-line);
  background: rgba(247, 250, 255, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.archive-site-header__logo {
  color: inherit;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-decoration: none;
}

.archive-site-header__navigation {
  display: flex;
  gap: 24px;
}

.archive-site-header__navigation a {
  position: relative;
  color: inherit;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-decoration: none;
  text-transform: uppercase;
}

.archive-site-header__navigation a[aria-current="page"]::after {
  position: absolute;
  right: 0;
  bottom: -8px;
  left: 0;
  height: 1px;
  background: currentColor;
  content: "";
}

.archive-site-header a:focus-visible {
  outline: 2px solid var(--archive-blue);
  outline-offset: 5px;
}

@media (max-width: 600px) {
  .archive-site-header {
    min-height: 60px;
    padding: 14px 20px;
  }

  .archive-site-header__logo {
    font-size: 0.9rem;
  }

  .archive-site-header__navigation a {
    font-size: 0.68rem;
  }
}