:root {
  --paper: #FAF8F4;
  --sumi: #1A1A1A;
  --sumi-soft: #6E6E6E;
  --vermillion: #C8364B;
  --font: 'Shippori Mincho', 'Hiragino Mincho ProN', 'Yu Mincho', serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
}

body {
  background: var(--paper);
  color: var(--sumi);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.85;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Hero composition — asymmetric, lower-right, Japanese ma */
.hush {
  position: relative;
  flex: 1;
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 4rem 3rem;
  display: grid;
  grid-template-columns: 1fr;
  align-items: end;
}

.hush::after {
  content: '';
  position: absolute;
  top: 4rem;
  bottom: 4rem;
  right: 3rem;
  width: 1px;
  background: var(--vermillion);
}

.edge-mark {
  position: absolute;
  top: 4rem;
  right: 4rem;
  font-size: 0.7rem;
  letter-spacing: 0.4em;
  color: var(--vermillion);
  writing-mode: vertical-rl;
  text-orientation: mixed;
}

.composition {
  margin-left: auto;
  max-width: 40ch;
  text-align: right;
  padding-right: 3.5rem;
}

h1 {
  font-family: var(--font);
  font-weight: 500;
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  line-height: 1.35;
  letter-spacing: 0.01em;
  margin: 0 0 1rem;
  color: var(--sumi);
}

h1 .subhead {
  display: block;
  font-weight: 400;
  color: var(--sumi-soft);
  font-size: 0.55em;
  line-height: 1.6;
  margin-top: 1.5rem;
  letter-spacing: 0.02em;
}

.body {
  margin-top: 4rem;
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--sumi-soft);
}

.body p {
  margin: 0 0 1em;
}

.body p:last-child {
  margin-bottom: 0;
}

.body a {
  color: var(--vermillion);
  text-decoration: none;
  border-bottom: 1px solid var(--vermillion);
  transition: opacity 0.2s ease;
}

.body a:hover,
.body a:focus-visible {
  opacity: 0.7;
}

/* Footer disclosure — UK trading disclosure compliance */
.disclosure {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2rem 3rem 3rem;
  border-top: 1px solid rgba(26, 26, 26, 0.1);
  font-size: 0.72rem;
  color: var(--sumi-soft);
  line-height: 1.7;
  text-align: right;
}

/* Mobile */
@media (max-width: 720px) {
  .hush {
    padding: 3rem 1.5rem;
  }
  .hush::after {
    top: 3rem;
    bottom: 2rem;
    right: 1.5rem;
  }
  .edge-mark {
    top: 2rem;
    right: 2rem;
    font-size: 0.65rem;
    letter-spacing: 0.35em;
  }
  .composition {
    padding-right: 2rem;
  }
  .disclosure {
    padding: 2rem 1.5rem 2.5rem;
  }
}

/* Accessibility — keyboard focus visibility */
a:focus-visible {
  outline: 2px solid var(--vermillion);
  outline-offset: 4px;
  border-bottom-color: transparent;
}