/* PU-13 invitation: a quiet final spread, with the existing PR-16 dialog. */
#brief.v7-brief {
  --brief-paper: #f8f6f2;
  --brief-ink: #17151e;
  --brief-muted: #625d6a;
  --brief-accent: #503cff;
  --brief-line: #ded9e5;
  --brief-light: #eae4f7;
  position: relative;
  isolation: isolate;
  display: block;
  width: 100%;
  max-width: none;
  margin: 0;
  padding: 0;
  overflow: hidden;
  border: 0;
  border-block: 1px solid var(--brief-line);
  border-radius: 0;
  color: var(--brief-ink);
  background: linear-gradient(110deg, var(--brief-paper) 42%, var(--brief-light) 140%);
  box-shadow: none;
}

/* Remove V5/V6's atmospheric scene and large sign from this new composition. */
#brief.v7-brief::before,
#brief.v7-brief::after {
  content: none;
  display: none;
}

#brief.v7-brief > .v7-brief-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(250px, .65fr);
  align-items: end;
  gap: clamp(32px, 5vw, 80px);
  max-width: var(--v7-content, 1440px);
  margin-inline: auto;
  padding: 56px var(--v7-gutter, clamp(20px, 4vw, 80px)) 64px;
}

#brief.v7-brief .v3-kicker {
  margin: 0 0 24px;
  color: var(--brief-muted);
  font-size: 10px;
  font-weight: 400;
  line-height: 1.6;
}

#brief.v7-brief h2 {
  max-width: 13ch;
  margin: 0;
  color: var(--brief-ink);
  font-size: clamp(48px, 5.3vw, 78px);
  font-weight: 400;
  line-height: 1.055;
  letter-spacing: -.06em;
  text-wrap: initial;
}

#brief.v7-brief h2 > span {
  color: var(--brief-accent);
}

#brief.v7-brief .v7-brief-action {
  display: grid;
  justify-items: start;
  align-content: end;
  min-width: 0;
  padding: 0 0 2px;
}

.v7-brief-sign {
  display: block;
  width: 42px;
  height: 38px;
  margin-bottom: 24px;
  background: var(--brief-ink);
  -webkit-mask: url('/assets/symbol.svg') center / contain no-repeat;
  mask: url('/assets/symbol.svg') center / contain no-repeat;
  pointer-events: none;
}

#brief.v7-brief .v7-brief-lead {
  max-width: 28ch;
  margin: 0 0 20px;
  color: var(--brief-ink);
  font-size: 15px;
  font-weight: 400;
  line-height: 1.65;
}

#brief.v7-brief .v7-brief-open {
  display: inline-flex;
  justify-content: space-between;
  align-items: center;
  gap: 36px;
  width: 100%;
  max-width: 290px;
  min-height: 52px;
  margin: 0;
  padding: 14px 18px;
  border: 1px solid var(--brief-ink);
  border-radius: 8px;
  background: var(--brief-ink);
  color: var(--brief-paper);
  box-shadow: 0 2px 4px #17151e08, 0 14px 20px -18px #17151e50;
  font-size: 14px;
  font-weight: 400;
  line-height: 1.5;
  transform: none;
  transition: background-color 160ms, border-color 160ms;
}

#brief.v7-brief .v7-brief-open .icon {
  width: 20px;
  height: 20px;
  filter: brightness(0) invert(1);
  transform: none;
}

#brief.v7-brief .v7-brief-open::before,
#brief.v7-brief .v7-brief-open::after {
  content: none;
  display: none;
}

#brief.v7-brief .v7-brief-open:hover {
  background: #302c3c;
  border-color: #302c3c;
}

#brief.v7-brief .v7-brief-open:active {
  background: #44404f;
  border-color: #44404f;
  transform: none;
}

#brief.v7-brief .v7-brief-open:focus-visible {
  outline: 2px solid var(--brief-paper);
  outline-offset: -4px;
}

#brief.v7-brief .v7-brief-note {
  max-width: 32ch;
  margin: 12px 0 0;
  color: var(--brief-muted);
  font-size: 12px;
  font-weight: 400;
  line-height: 1.6;
}

html[data-theme=dark] #brief.v7-brief {
  --brief-paper: #25212e;
  --brief-ink: #f3f0ec;
  --brief-muted: #bfb7ca;
  --brief-accent: #b1a6ff;
  --brief-line: #433a52;
  --brief-light: #352b4b;
}

html[data-theme=dark] #brief.v7-brief .v7-brief-open .icon {
  filter: brightness(0);
}

html[data-theme=dark] #brief.v7-brief .v7-brief-open:hover {
  background: #e3ddf0;
  border-color: #e3ddf0;
}

html[data-theme=dark] #brief.v7-brief .v7-brief-open:active {
  background: #ccc3df;
  border-color: #ccc3df;
}

@media (max-width: 850px) {
  #brief.v7-brief > .v7-brief-inner {
    grid-template-columns: minmax(0, 1fr) minmax(230px, .7fr);
    gap: 28px;
  }

  #brief.v7-brief h2 {
    font-size: clamp(44px, 6.2vw, 58px);
  }
}

@media (max-width: 600px) {
  #brief.v7-brief > .v7-brief-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 28px;
    padding-block: 44px 48px;
  }

  #brief.v7-brief .v3-kicker {
    margin-bottom: 20px;
  }

  #brief.v7-brief h2 {
    font-size: clamp(40px, 11.1vw, 54px);
    line-height: 1.08;
  }

  #brief.v7-brief .v7-brief-action {
    grid-template-columns: minmax(0, 1fr) 42px;
    gap: 0 20px;
    padding: 0;
  }

  .v7-brief-sign {
    grid-column: 2;
    grid-row: 1;
    align-self: start;
    margin: 3px 0 0;
  }

  #brief.v7-brief .v7-brief-lead {
    grid-column: 1;
    grid-row: 1;
    margin-bottom: 20px;
    font-size: 14px;
  }

  #brief.v7-brief .v7-brief-open,
  #brief.v7-brief .v7-brief-note {
    grid-column: 1 / -1;
  }

  #brief.v7-brief .v7-brief-open {
    max-width: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  #brief.v7-brief .v7-brief-open {
    transition: none;
  }
}

@media (forced-colors: active) {
  #brief.v7-brief {
    background: Canvas;
    color: CanvasText;
    border-color: CanvasText;
  }

  #brief.v7-brief h2,
  #brief.v7-brief h2 > span,
  #brief.v7-brief .v7-brief-lead,
  #brief.v7-brief .v3-kicker,
  #brief.v7-brief .v7-brief-note {
    color: CanvasText;
  }

  .v7-brief-sign {
    background: CanvasText;
  }

  #brief.v7-brief .v7-brief-open {
    background: ButtonFace;
    color: ButtonText;
    border-color: ButtonText;
    box-shadow: none;
  }

  #brief.v7-brief .v7-brief-open:focus-visible {
    outline-color: Highlight;
  }
}