:root {
  color-scheme: light;
  --ink: #111318;
  --muted: #6f737c;
  --line: #e8eaee;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  background: #fff;
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.project-page {
  display: grid;
  min-height: 100vh;
  place-items: center;
  padding: 24px;
}

.project-copy {
  width: min(760px, 100%);
}

.project-page h1 {
  margin: 0;
  font-size: clamp(42px, 6vw, 68px);
  font-weight: 650;
  letter-spacing: -0.045em;
  line-height: 1.05;
}

.project-page p {
  margin: 30px 0 0;
  color: var(--muted);
  font-size: clamp(18px, 2.2vw, 22px);
  line-height: 1.6;
}

.project-page p + p {
  margin-top: 16px;
}

.project-page .launch-note {
  margin-top: 26px;
  color: var(--ink);
  font-weight: 620;
}

.brief-page {
  width: min(960px, calc(100% - 32px));
  min-height: 100vh;
  margin: 0 auto;
  padding: clamp(64px, 10vw, 120px) 0 72px;
}

.brief-intro {
  margin-bottom: clamp(36px, 6vw, 60px);
  text-align: left;
}

.brief-intro h1 {
  margin: 0;
  font-size: clamp(38px, 6vw, 68px);
  font-weight: 620;
  letter-spacing: -0.055em;
  line-height: 1.02;
}

.brief-intro p {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: clamp(16px, 2vw, 19px);
  line-height: 1.5;
}

.form-frame {
  width: 100%;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: #fff;
}

.form-frame iframe {
  display: block;
  width: 100%;
  max-width: 100%;
  border: 0;
}

@media (max-width: 640px) {
  .brief-page {
    width: min(100% - 20px, 960px);
    padding-top: 54px;
  }

  .brief-intro h1 {
    font-size: clamp(36px, 11vw, 50px);
  }

  .form-frame {
    border-radius: 18px;
  }
}