:root {
  --paper: #f6f2ea;
  --ink: #171614;
  --body-ink: #302e2a;
  --green: #4bdc70;
  --outer-pad: clamp(28px, 4vw, 64px);
  --column-shift: clamp(0px, 6.2vw, 96px);
  --measure: 680px;
}

* { box-sizing: border-box; }

html { background: var(--paper); }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.shell {
  width: min(calc(100% - (2 * var(--outer-pad))), 1180px);
  margin: 0 auto;
  padding-bottom: clamp(92px, 10vw, 144px);
}

.site-header,
.content {
  width: min(100%, var(--measure));
  margin-left: var(--column-shift);
}

.site-header {
  padding-top: clamp(44px, 4.5vw, 66px);
}

.mark {
  display: block;
  width: 62px;
  height: 62px;
}

.mark img {
  display: block;
  width: 100%;
  height: 100%;
}

.hero {
  margin-top: clamp(105px, 11vh, 145px);
}

h1 {
  margin: 0;
  max-width: 660px;
  font-size: clamp(54px, 5.5vw, 76px);
  line-height: 1.01;
  font-weight: 400;
  letter-spacing: -0.032em;
  text-wrap: balance;
}

.essay {
  margin-top: clamp(62px, 6vw, 82px);
}

.essay p {
  margin: 0 0 1.55em;
  color: var(--body-ink);
  font-size: clamp(18px, 1.42vw, 20px);
  line-height: 1.60;
  letter-spacing: -0.004em;
}

.essay .edge {
  margin-top: 2.15em;
  margin-bottom: 0;
  color: var(--ink);
  font-style: italic;
}

.contact {
  margin-top: clamp(92px, 9.5vw, 136px);
}

.contact a {
  color: var(--ink);
  font-size: clamp(17px, 1.35vw, 19px);
  text-decoration: none;
}

.contact a:hover,
.contact a:focus-visible {
  text-decoration: underline;
  text-decoration-thickness: 1.2px;
  text-underline-offset: 0.19em;
}

@media (max-width: 760px) {
  :root {
    --outer-pad: 24px;
    --column-shift: 0px;
    --measure: 100%;
  }

  .shell {
    width: auto;
    margin: 0;
    padding-left: var(--outer-pad);
    padding-right: var(--outer-pad);
    padding-bottom: 72px;
  }

  .site-header,
  .content { width: 100%; }

  .site-header { padding-top: 28px; }

  .mark {
    width: 54px;
    height: 54px;
  }

  .hero { margin-top: 88px; }

  h1 {
    max-width: 620px;
    font-size: clamp(40px, 11.4vw, 52px);
    line-height: 1.01;
    letter-spacing: -0.036em;
  }

  .essay { margin-top: 62px; }

  .essay p {
    font-size: 18px;
    line-height: 1.57;
    margin-bottom: 1.5em;
  }

  .essay .edge { margin-top: 2em; }

  .contact { margin-top: 80px; }

  .contact a { font-size: 17px; }

}