/* Chiron AX Partners — Design Tokens */
:root {
  /* Base palette — Off-white × Sumi × Deep green */
  --ink: #0E1512;
  --ink-2: #1a2320;
  --ink-3: #3a4441;
  --paper: #F5F3EE;
  --paper-2: #EDEAE1;
  --paper-3: #E2DED2;
  --line: #d5d0c2;
  --line-2: #c2bcac;
  --green: #0E4B3A;
  --green-2: #0A382B;
  --green-3: #14614C;
  --green-hi: #2C8E72;
  --accent: var(--green);
  --muted: #6b6f68;

  /* Type */
  --font-jp: "Noto Sans JP", system-ui, sans-serif;
  --font-en: "Inter", "Helvetica Neue", Arial, sans-serif;

  /* Scale */
  --step-0: clamp(13px, 0.85vw, 14px);
  --step-1: clamp(14px, 0.95vw, 15px);
  --step-2: clamp(16px, 1.1vw, 17px);
  --step-3: clamp(18px, 1.35vw, 21px);
  --step-4: clamp(22px, 1.9vw, 28px);
  --step-5: clamp(28px, 2.6vw, 40px);
  --step-6: clamp(36px, 4vw, 60px);
  --step-7: clamp(48px, 6.5vw, 96px);
  --step-8: clamp(64px, 9vw, 140px);

  /* Layout */
  --gutter: clamp(20px, 4vw, 56px);
  --maxw: 1440px;
  --radius: 2px;
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font-jp);
  color: var(--ink);
  background: var(--paper);
  font-size: var(--step-2);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-feature-settings: "palt" 1;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }

/* Reveal — used by all variants */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 1s cubic-bezier(0.2, 0.7, 0.2, 1),
              transform 1s cubic-bezier(0.2, 0.7, 0.2, 1);
  transition-delay: var(--rd, 0ms);
}
[data-reveal].is-in {
  opacity: 1;
  transform: none;
}

/* Typographic conventions */
.en {
  font-family: var(--font-en);
  font-feature-settings: "ss01" 1, "cv11" 1;
  letter-spacing: 0.01em;
}
.eyebrow {
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--muted);
}
.hairline {
  display: inline-block;
  width: 40px;
  height: 1px;
  background: currentColor;
  vertical-align: middle;
  margin-right: 12px;
  opacity: 0.5;
}
.num {
  font-family: var(--font-en);
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1;
}

/* Utilities */
.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.divider {
  height: 1px;
  background: var(--line);
  width: 100%;
}