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

    :root {
      --white:       #ffffff;
      --black:       #0c0c0c;
      --gray:        #6a6a6a;
      --navy:        #1a2e6c;
      --cyan:        #2db5e8;
      --blue:        #2C7BBF;
      --line:        rgba(0, 0, 0, 0.35);
    }

    html { font-size: 16px; }

    body {
      font-family: 'Noto Serif JP', serif;
      background: var(--white);
      color: var(--black);
      overflow-x: hidden;
    }

    /* ─── ARTICLE HEAD（中央寄せエディトリアル） ─────────── */
    .p-head {
      max-width: 860px;
      margin: 0 auto;
      padding: 5.5rem 3rem 4rem;
      text-align: center;
    }
    .p-head__meta {
      display: flex;
      align-items: baseline;
      justify-content: center;
      gap: 1.6rem;
      margin-bottom: 2.2rem;
    }
    .p-head__cat {
      font-family: 'Cormorant Garamond', serif;
      font-size: 0.68rem;
      letter-spacing: 0.32em;
      text-transform: uppercase;
      color: var(--blue);
    }
    .p-head__date {
      font-family: 'Cormorant Garamond', serif;
      font-size: 0.72rem;
      letter-spacing: 0.18em;
      color: var(--gray);
    }
    .p-head__title {
      font-size: clamp(1.8rem, 3.6vw, 3rem);
      font-weight: 500;
      letter-spacing: 0.05em;
      line-height: 1.75;
      margin-bottom: 2rem;
    }
    .p-head__title .line {
      display: block;
      overflow: hidden;
    }
    .p-head__title .line-inner {
      display: block;
      transform: translateY(110%);
    }
    .p-head__lead {
      font-size: 0.875rem;
      font-weight: 300;
      line-height: 2.3;
      letter-spacing: 0.05em;
      color: var(--gray);
      max-width: 620px;
      margin: 0 auto;
      opacity: 0;
    }

    /* ─── HERO ─────────────────────────────────────────── */
    .p-hero {
      width: 100%;
      height: clamp(320px, 52vw, 660px);
      overflow: hidden;
      position: relative;
    }
    .p-hero img {
      position: absolute;
      left: 0;
      top: -30%;
      width: 100%;
      height: 160%;
      object-fit: cover;
      display: block;
      will-change: transform;
    }

    /* ─── ARTICLE INFO BAR（水平メタバー） ──────────────── */
    .p-infobar {
      border-top: 0.25px solid var(--line);
      border-bottom: 0.25px solid var(--line);
    }
    .p-infobar__inner {
      max-width: 1100px;
      margin: 0 auto;
      padding: 1.1rem 3rem;
      display: flex;
      align-items: center;
      gap: 2.5rem;
      flex-wrap: wrap;
    }
    .p-infobar__group {
      display: flex;
      align-items: baseline;
      gap: 0.9rem;
    }
    .p-infobar__key {
      font-family: 'Cormorant Garamond', serif;
      font-size: 0.6rem;
      letter-spacing: 0.28em;
      text-transform: uppercase;
      color: var(--gray);
    }
    .p-infobar__val {
      font-size: 0.75rem;
      font-weight: 400;
      letter-spacing: 0.08em;
      color: var(--navy);
    }
    .p-infobar__tags {
      display: flex;
      gap: 0.5rem;
      flex-wrap: wrap;
      margin-left: auto;
    }
    .p-infobar__tag {
      font-size: 0.65rem;
      font-weight: 300;
      letter-spacing: 0.08em;
      color: var(--gray);
      border: 0.5px solid var(--line);
      padding: 0.35em 1em;
      white-space: nowrap;
    }

    /* ─── ARTICLE BODY（中央1カラム） ───────────────────── */
    .l-article {
      max-width: 720px;
      margin: 0 auto;
      padding: 5rem 3rem 6rem;
    }

    .p-chapter { margin-bottom: 5.5rem; }
    .p-chapter:last-child { margin-bottom: 0; }

    .p-chapter__label {
      font-family: 'Cormorant Garamond', serif;
      font-size: clamp(2.2rem, 4vw, 3.2rem);
      font-weight: 300;
      letter-spacing: 0.02em;
      line-height: 1;
      color: var(--cyan);
      display: block;
      margin-bottom: 1rem;
    }
    .p-chapter__title {
      font-size: clamp(1.25rem, 2.2vw, 1.65rem);
      font-weight: 500;
      letter-spacing: 0.06em;
      line-height: 1.8;
      margin-bottom: 2rem;
      padding-bottom: 1.4rem;
      border-bottom: 0.25px solid var(--line);
    }
    .p-chapter__subtitle {
      font-size: 0.85rem;
      font-weight: 400;
      letter-spacing: 0.06em;
      color: var(--gray);
      margin-top: -1.2rem;
      margin-bottom: 2rem;
    }

    .p-chapter__summary {
      background: rgba(45, 181, 232, 0.05);
      border-left: 2px solid var(--cyan);
      padding: 1.5rem 1.9rem;
      margin-bottom: 2.6rem;
    }
    .p-chapter__summary-label {
      display: block;
      font-family: 'Cormorant Garamond', serif;
      font-size: 0.65rem;
      letter-spacing: 0.26em;
      text-transform: uppercase;
      color: var(--cyan);
      margin-bottom: 0.8rem;
    }
    .p-chapter__summary ul {
      margin: 0;
      padding: 0;
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 0.55rem;
    }
    .p-chapter__summary li {
      position: relative;
      padding-left: 1.15em;
      font-size: 0.82rem;
      font-weight: 300;
      line-height: 1.75;
      letter-spacing: 0.03em;
      color: var(--navy);
    }
    .p-chapter__summary li::before {
      content: '';
      position: absolute;
      left: 0;
      top: 0.68em;
      width: 5px;
      height: 5px;
      border-radius: 50%;
      background: var(--cyan);
    }

    .p-chapter__text {
      font-size: 0.875rem;
      font-weight: 300;
      line-height: 2.5;
      letter-spacing: 0.05em;
    }
    .p-chapter__text p + p { margin-top: 1.8em; }

    .p-chapter__img {
      width: 100%;
      height: clamp(220px, 34vw, 400px);
      overflow: hidden;
      margin-top: 2.8rem;
    }
    .p-chapter__img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
    }

    /* プルクオート（WIRED風・大きめ） */
    .p-pullquote {
      margin: 3rem 0;
      padding: 0 0 0 2rem;
      position: relative;
    }
    .p-pullquote::before {
      content: '';
      position: absolute;
      left: 0;
      top: 0.3em;
      width: 2px;
      height: calc(100% - 0.5em);
      background: var(--cyan);
    }
    .p-pullquote__text {
      font-size: clamp(1.15rem, 2vw, 1.5rem);
      font-weight: 400;
      line-height: 2;
      letter-spacing: 0.05em;
      color: var(--navy);
    }

    /* ─── RELATED NEWS ─────────────────────────────────── */
    .p-related {
      background: #f5f4f0;
      border-top: 0.25px solid var(--line);
      padding: 4.5rem 3rem 5rem;
    }
    .p-related__inner { max-width: 1100px; margin: 0 auto; }
    .p-related__title {
      font-family: 'Cormorant Garamond', serif;
      font-size: clamp(1.6rem, 2.6vw, 2.2rem);
      font-weight: 500;
      letter-spacing: 0.04em;
      margin-bottom: 2.4rem;
    }
    .p-related__grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 2rem;
    }
    .p-related__card {
      background: #fff;
      border: 0.5px solid var(--line);
      position: relative;
      transition: box-shadow 0.3s;
    }
    .p-related__card:hover { box-shadow: 0 12px 32px rgba(0,0,0,0.08); }
    .p-related__card-link { position: absolute; inset: 0; z-index: 1; }
    .p-related__card-img {
      width: 100%;
      height: 170px;
      object-fit: cover;
      display: block;
    }
    .p-related__card-body { padding: 1.6rem 1.6rem 1.8rem; }
    .p-related__card-date {
      font-family: 'Cormorant Garamond', serif;
      font-size: 0.68rem;
      letter-spacing: 0.18em;
      color: var(--gray);
      display: block;
      margin-bottom: 0.7rem;
    }
    .p-related__card-title {
      font-size: 0.9rem;
      font-weight: 500;
      line-height: 1.9;
      letter-spacing: 0.04em;
      margin-bottom: 0.7rem;
    }
    .p-related__card-excerpt {
      font-size: 0.75rem;
      font-weight: 300;
      line-height: 2;
      color: var(--gray);
      margin-bottom: 1.1rem;
    }
    .p-related__card-more {
      font-family: 'Cormorant Garamond', serif;
      font-size: 0.68rem;
      letter-spacing: 0.24em;
      text-transform: uppercase;
      color: var(--blue);
    }

    /* ─── SP ───────────────────────────────────────────── */
    @media (max-width: 768px) {
      .p-head { padding: 3.5rem 1.5rem 2.5rem; }
      .p-head__title { text-align: left; }
      .p-head__lead { text-align: left; }
      .p-head__meta { justify-content: flex-start; }
      .p-head { text-align: left; }

      .p-infobar__inner { padding: 1rem 1.5rem; gap: 1.2rem; }
      .p-infobar__tags { margin-left: 0; }

      .l-article { padding: 3.5rem 1.5rem 4rem; }

      .p-related { padding: 3rem 1.5rem 3.5rem; }
      .p-related__grid { grid-template-columns: 1fr; }
    }