:root {
      --ink: #06131f;
      --paper: #ffffff;
      --line: #dbe3ea;
      --muted: #4b5563;
      --signal: #0b63ce;
      --font-sans: HelveticaNeue, "Helvetica Neue", Helvetica, Arial,
        "游ゴシック体", YuGothic, "游ゴシック Medium", "Yu Gothic Medium",
        "游ゴシック", "Yu Gothic", "ヒラギノ角ゴ ProN W3", "Hiragino Kaku Gothic ProN",
        "ヒラギノ角ゴ Pro W3", "Hiragino Kaku Gothic Pro", "MS ゴシック", "MS Gothic",
        sans-serif;
      --font-mono: "SF Mono", "Fira Code", "Fira Mono", Menlo, Consolas, monospace;
      font-family: var(--font-sans);
      color: var(--ink);
      background: var(--paper);
    }

    * { box-sizing: border-box; }

    body {
      margin: 0;
      font-size: 16px;
      line-height: 1.8;
      font-feature-settings: "palt";
      -webkit-font-smoothing: antialiased;
      word-wrap: break-word;
      background: #f8f7f2;
    }

    a { color: inherit; text-decoration: none; }
    img { display: block; max-width: 100%; height: auto; }

    .site-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      min-height: 62px;
      padding: 14px clamp(20px, 4vw, 58px) 10px;
      background: #f8f7f2;
      box-shadow: inset 0 -1px 0 rgba(6, 19, 31, 0.08);
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 7px;
    }

    .brand-symbol { width: 40px; }
    .brand-wordmark { width: 96px; }

    .back-link,
    .news-link {
      font-family: var(--font-mono);
      font-size: 11px;
      font-weight: 780;
      letter-spacing: 0.08em;
      text-transform: uppercase;
    }

    .back-link:hover,
    .back-link:focus-visible,
    .news-link:hover,
    .news-link:focus-visible {
      color: var(--signal);
      outline: none;
    }

    main {
      max-width: 1160px;
      margin: 0 auto;
      padding: clamp(40px, 7vw, 88px) clamp(20px, 4vw, 40px) clamp(60px, 9vw, 120px);
    }

    .breadcrumb {
      margin-bottom: 18px;
      color: var(--muted);
      font-family: var(--font-mono);
      font-size: 11px;
      font-weight: 780;
      letter-spacing: 0.06em;
    }

    .breadcrumb a,
    .news-lead a,
    .news-cta a {
      text-decoration: underline;
      text-underline-offset: 3px;
    }

    .breadcrumb a:hover,
    .breadcrumb a:focus-visible,
    .news-lead a:hover,
    .news-lead a:focus-visible,
    .news-cta a:hover,
    .news-cta a:focus-visible {
      color: var(--signal);
      outline: none;
    }

    .section-label {
      color: var(--signal);
      font-family: var(--font-mono);
      font-size: 12px;
      font-weight: 780;
      letter-spacing: 0.1em;
      text-transform: uppercase;
    }

    h1 {
      margin: 14px 0 10px;
      font-size: clamp(28px, 4vw, 40px);
      font-weight: 820;
      line-height: 1.2;
      letter-spacing: 0.02em;
    }

    .news-lead {
      max-width: 760px;
      margin: 0 0 44px;
      color: var(--ink);
    }

    .news-sections {
      display: grid;
      gap: clamp(34px, 5vw, 58px);
    }

    .news-category {
      display: grid;
      gap: 18px;
    }

    .news-category-head {
      display: flex;
      flex-wrap: wrap;
      align-items: baseline;
      gap: 12px 22px;
      padding-bottom: 14px;
      border-bottom: 1px solid rgba(6, 19, 31, 0.22);
    }

    .news-category-label {
      color: var(--signal);
      font-family: var(--font-mono);
      font-size: 12px;
      font-weight: 780;
      letter-spacing: 0.08em;
      text-transform: uppercase;
    }

    .news-category-head :is(h2, h3) {
      margin: 0;
      font-size: clamp(20px, 2vw, 26px);
      font-weight: 820;
      line-height: 1.08;
      letter-spacing: 0.01em;
    }

    .news-list {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(min(270px, 100%), 1fr));
      border-top: 1px solid var(--ink);
      border-left: 1px solid var(--ink);
    }

    .news-item {
      display: grid;
      min-height: 278px;
      padding: 18px;
      border-right: 1px solid var(--ink);
      border-bottom: 1px solid var(--ink);
      background:
        radial-gradient(ellipse at 8% 0%, rgba(6, 19, 31, 0.052) 0%, rgba(6, 19, 31, 0.016) 34%, rgba(6, 19, 31, 0) 62%),
        linear-gradient(145deg, #ffffff 0%, #f8f7f2 58%, #e7edf2 100%);
    }

    .news-item[hidden] { display: none; }

    .news-thumb {
      display: block;
      margin-bottom: 14px;
      overflow: hidden;
      border: 1px solid rgba(6, 19, 31, 0.18);
      background: rgba(6, 19, 31, 0.05);
    }

    .news-thumb img {
      display: block;
      width: 100%;
      aspect-ratio: 16 / 9;
      height: auto;
      object-fit: cover;
      transition: transform 0.32s ease;
    }

    .news-item:hover .news-thumb img,
    .news-item:focus-within .news-thumb img {
      transform: scale(1.035);
    }

    .news-item time,
    .news-source {
      font-family: var(--font-mono);
      font-size: 10px;
      font-weight: 780;
      letter-spacing: 0.06em;
      text-transform: uppercase;
    }

    .news-item time { color: var(--signal); }

    .news-meta {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 8px;
    }

    .news-tag {
      display: inline-flex;
      align-items: center;
      padding: 0 6px;
      border: 1px solid var(--ink);
      color: var(--ink);
      font-family: var(--font-mono);
      font-size: 9px;
      font-weight: 780;
      letter-spacing: 0.06em;
      text-transform: uppercase;
    }

    .news-item h3 {
      margin: 12px 0 10px;
      font-size: 17px;
      font-weight: 820;
      line-height: 1.34;
      letter-spacing: 0.01em;
    }

    .news-item h3 a { overflow-wrap: anywhere; }

    .news-item h3 a:hover,
    .news-item h3 a:focus-visible {
      color: var(--signal);
      outline: none;
    }

    .news-summary {
      margin: 0 0 12px;
      color: var(--muted);
      font-size: 13.5px;
      line-height: 1.6;
      font-weight: 450;
    }

    .news-source {
      align-self: end;
      color: var(--ink);
    }

    .news-actions {
      display: flex;
      justify-content: center;
      margin-top: 28px;
    }

    .news-actions[hidden] { display: none; }

    .news-more {
      min-width: 190px;
      min-height: 44px;
      padding: 10px 18px;
      border: 1px solid var(--ink);
      background: var(--ink);
      color: var(--paper);
      font-family: var(--font-mono);
      font-size: 11px;
      font-weight: 780;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      cursor: pointer;
    }

    .news-more:hover,
    .news-more:focus-visible {
      background: var(--signal);
      outline: none;
    }

    .news-cta {
      max-width: 760px;
      margin: 48px auto 0;
      padding: 24px;
      border: 1px solid var(--ink);
      background: var(--paper);
    }

    .news-cta p { margin: 0; }

    .site-footer {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 10px 16px;
      padding: 18px clamp(20px, 4vw, 58px);
      background: linear-gradient(180deg, #eef2f5 0%, #f8f7f2 62%);
      box-shadow: inset 0 1px 0 rgba(6, 19, 31, 0.08);
      color: var(--muted);
      font-family: var(--font-mono);
      font-size: 11px;
      font-weight: 850;
      letter-spacing: 0.04em;
      text-transform: uppercase;
    }

    .site-footer a:hover,
    .site-footer a:focus-visible {
      color: var(--signal);
      outline: none;
    }

    @media (max-width: 620px) {
      .news-list {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

      .news-item {
        min-height: 0;
        align-content: start;
        padding: 12px;
      }

      .news-thumb { margin-bottom: 10px; }

      .news-item h3 {
        margin: 8px 0 6px;
        font-size: 13.5px;
        line-height: 1.4;
        display: -webkit-box;
        -webkit-box-orient: vertical;
        -webkit-line-clamp: 3;
        overflow: hidden;
      }

      .news-summary {
        margin-bottom: 8px;
        font-size: 12px;
        line-height: 1.5;
        display: -webkit-box;
        -webkit-box-orient: vertical;
        -webkit-line-clamp: 2;
        overflow: hidden;
      }

      .news-source { font-size: 9px; }
    }