:root {
  --primary: #593622;
  --secondary: #8C5B3E;
  --bg-cream: #F2EBE1;
  --bg-sand: #FAF6EE;
  --text-dark: #2C2420;
  --text-main: #4A403A;
  --white: #FFFFFF;

  /* Borders */
  --border-light: #E4DACF;
  --border-divider: #EAE1D5;
  --border-dashed: #E2D9CE;
  --border-row: #F0EAE1;

  /* Shadows */
  --shadow-xs: 0 2px 8px rgba(89, 54, 34, 0.02);
  --shadow-sm: 0 4px 12px rgba(89, 54, 34, 0.04);
  --shadow-md: 0 6px 20px rgba(89, 54, 34, 0.06);
  --shadow-lg: 0 10px 30px rgba(89, 54, 34, 0.08);

  /* Accent backgrounds */
  --bg-feature: #F8F4EE;
  --bg-form: #FAF8F5;
  --bg-table-alt: #FAF7F2;
  --bg-table-head: #F8F3EC;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* Safari / WebKit SVG Collapse Fix & Icon Sizing */
svg, i[data-lucide], .lucide {
  display: inline-block;
  width: 1em;
  height: 1em;
  vertical-align: middle;
  flex-shrink: 0;
}

body {
  font-family: 'Noto Sans JP', sans-serif;
  background-color: var(--bg-cream);
  color: var(--text-main);
  line-height: 1.85;
  letter-spacing: 0.035em;
  overflow-x: hidden;
}

h1, h2, h3 {
  font-family: 'Shippori Mincho', serif;
  color: var(--text-dark);
}

.title-underline {
  height: 4px;
  width: 60px;
  background-color: var(--secondary);
  margin-top: 1rem;
}