:root {
      --bg: #f4efe6;
      --bg-deep: #e7dcc8;
      --card: rgba(255, 255, 255, 0.78);
      --card-strong: #fffaf2;
      --text: #1f2429;
      --muted: #6b7480;
      --line: rgba(31, 36, 41, 0.12);
      --accent: #0f7b65;
      --accent-2: #c7662d;
      --shadow: 0 24px 60px rgba(44, 35, 16, 0.12);
      --radius: 22px;
      --radius-sm: 14px;
    }

    * { box-sizing: border-box; }
    html, body { height: 100%; }

    body {
      margin: 0;
      color: var(--text);
      font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
      background:
        radial-gradient(circle at top left, rgba(15, 123, 101, 0.16), transparent 28%),
        radial-gradient(circle at top right, rgba(199, 102, 45, 0.14), transparent 24%),
        linear-gradient(180deg, var(--bg), var(--bg-deep));
    }