:root {
        --bg: #FDF7E6;
        --card: #FFFFFF;
        --ink: #3A2E14;
        --sub: #7A6B48;
        --line: #F0E4C4;
        --primary: #A35117;
        --primary-soft: #FAE7A8;
        --primary-soft-border: #E9D289;
        --green: #5F6B38;
        --green-soft: #EDF0DE;
        --green-soft-border: #D5DCBB;
        --red: #B3261E;
        --red-soft: #FBE4E1;
        --red-soft-border: #EFC0B8;
      }

      @font-face {
        font-family: "M PLUS Rounded 1c";
        font-style: normal;
        font-weight: 400;
        font-display: swap;
        src: url("./fonts/m-plus-rounded-1c-japanese-400-normal.woff2") format("woff2");
      }

      * { box-sizing: border-box; }

      body {
        margin: 0;
        background: var(--bg);
        color: var(--ink);
        font-family: "M PLUS Rounded 1c", "Hiragino Maru Gothic ProN", "Yu Gothic",
          -apple-system, BlinkMacSystemFont, "Hiragino Sans", Meiryo, sans-serif;
        line-height: 1.8;
      }

      main {
        width: min(100% - 40px, 680px);
        margin: 0 auto;
        padding: 40px 0 56px;
      }

      section {
        margin-top: 16px;
        padding: 24px;
        border: 1px solid var(--line);
        border-radius: 20px;
        background: var(--card);
      }

      h1, h2, h3 { margin: 0; font-weight: 600; line-height: 1.45; }
      h1 { font-size: clamp(1.9rem, 8vw, 2.8rem); }
      h2 { font-size: clamp(1.35rem, 5vw, 1.75rem); }
      h3 { font-size: 1rem; }
      p { margin: 12px 0 0; }
      a { color: var(--ink); font-weight: 500; text-underline-offset: 0.18em; }

      .hero {
        margin-top: 0;
        padding: 32px 24px;
        border-color: var(--primary-soft-border);
        background: var(--primary-soft);
      }

      .hero p { font-size: 1.05rem; }
      .cta {
        display: inline-block;
        margin-top: 24px;
        padding: 12px 20px;
        border-radius: 999px;
        background: var(--primary);
        color: var(--card);
        font-weight: 500;
        text-decoration: none;
      }

      .lead { margin-top: 0; }
      .list, .cards { margin: 20px 0 0; padding: 0; list-style: none; }
      .list { display: grid; gap: 12px; }
      .list li { padding-left: 1.4em; position: relative; }
      .list li::before { content: "・"; position: absolute; left: 0; color: var(--green); }
      .cards { display: grid; gap: 12px; }
      .cards li { padding: 16px; border: 1px solid var(--line); border-radius: 16px; }
      .cards p { color: var(--sub); font-size: 0.9375rem; }
      .feature-shot { display: block; width: 100%; height: auto; margin-top: 16px; border: 1px solid var(--line); border-radius: 12px; }
      .video-links ul { margin: 16px 0 0; padding-left: 1.25em; }
      .video-links li + li { margin-top: 8px; }
      .principles { background: var(--green-soft); border-color: var(--green-soft-border); }
      .principles .cards li { background: var(--card); }
      .allergy { background: var(--red-soft); border-color: var(--red-soft-border); }
      .allergy h2 { color: var(--red); }
      .allergy p { color: var(--ink); }
      .final { text-align: center; }
      .final .cta { margin-top: 20px; }

      footer {
        margin-top: 24px;
        color: var(--sub);
        font-size: 0.875rem;
        text-align: center;
      }

      footer a { color: var(--sub); }

      @media (max-width: 480px) {
        main { width: min(100% - 32px, 680px); padding-top: 24px; }
        section, .hero { padding: 20px; border-radius: 16px; }
      }