* {
        box-sizing: border-box;
      }

      html,
      body {
        min-height: 100%;
      }

      body {
        margin: 0;
        background: #000;
        color: #f4f4f4;
        font-family: "SF Pro Display", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
      }

      main {
        width: min(1040px, 100%);
        margin: 0 auto;
        padding: clamp(22px, 5vw, 56px);
      }

      nav {
        display: flex;
        justify-content: space-between;
        gap: 18px;
        margin-bottom: clamp(44px, 8vw, 86px);
      }

      a {
        color: #aaa;
        text-decoration: none;
      }

      a:hover,
      a:focus-visible {
        color: #fff;
        outline: none;
      }

      h1 {
        margin: 0 0 22px;
        overflow-wrap: normal;
        font-size: clamp(2rem, 6.4vw, 4.6rem);
        line-height: 0.98;
        letter-spacing: -0.025em;
        white-space: nowrap;
      }

      .summary {
        max-width: 760px;
        margin: 0 0 clamp(42px, 8vw, 72px);
        color: #aaa;
        font-size: clamp(1rem, 2.2vw, 1.28rem);
        line-height: 1.65;
      }

      .code-list {
        display: grid;
        gap: 18px;
        margin: 0;
        padding: 0;
        list-style: none;
      }

      .code-list a {
        display: grid;
        grid-template-columns: minmax(0, 1fr) auto;
        gap: 22px;
        align-items: center;
        min-height: 92px;
        padding: 22px 0;
      }

      .file-name {
        display: block;
        color: #f4f4f4;
        font-size: clamp(1.25rem, 3.2vw, 2rem);
        line-height: 1.15;
        overflow-wrap: anywhere;
      }

      .file-note {
        display: block;
        margin-top: 8px;
        color: #777;
        font-size: clamp(0.88rem, 1.7vw, 1rem);
        line-height: 1.5;
        overflow-wrap: anywhere;
      }

      .open {
        color: #777;
        font-size: clamp(1.1rem, 2.4vw, 1.6rem);
      }

      @media (max-width: 640px) {
        nav,
        .code-list a {
          grid-template-columns: 1fr;
        }

        h1 {
          white-space: normal;
        }

        .open {
          display: none;
        }
      }