:root {
      --bg: #f7f5ef;
      --card: #ffffff;
      --ink: #171717;
      --text: #333333;
      --muted: #777777;
      --line: #dedbd2;
      --accent: #2f5cff;
      --accent-soft: #eef2ff;
      --max: 1180px;
      --radius: 18px;
      --shadow: 0 10px 32px rgba(0, 0, 0, 0.06);
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      color: var(--ink);
      background: var(--bg);
      font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Sans", "Noto Sans JP", sans-serif;
      line-height: 1.7;
      letter-spacing: 0.02em;
    }

    a {
      color: inherit;
      text-decoration: none;
    }

    img,
    video {
      display: block;
      width: 100%;
      height: auto;
    }

    [hidden] {
      display: none !important;
    }

    .wrap {
      width: min(var(--max), calc(100% - 40px));
      margin: 0 auto;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      border-bottom: 1px solid var(--line);
      background: rgba(247, 245, 239, 0.9);
      backdrop-filter: blur(14px);
    }

    .nav {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      min-height: 72px;
    }

    .brand {
      display: flex;
      flex-direction: column;
      line-height: 1.15;
    }

    .brand strong {
      font-size: 18px;
      letter-spacing: -0.03em;
    }

    .brand span {
      color: var(--muted);
      font-size: 12px;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 18px;
      color: var(--text);
      font-size: 14px;
    }

    .nav-links a {
      display: inline-flex;
      align-items: center;
      min-height: 38px;
      padding: 8px 0;
      border-bottom: 2px solid transparent;
    }

    .nav-links a:hover {
      border-bottom-color: var(--ink);
    }

    .nav-links .contact-link {
      min-height: 38px;
      padding: 8px 16px;
      border: 1px solid var(--ink);
      border-radius: 999px;
      line-height: 1;
      font-weight: 700;
    }

    .nav-links .contact-link:hover {
      color: #fff;
      background: var(--ink);
      border-color: var(--ink);
    }

    .intro {
      padding: 48px 0 34px;
      border-bottom: 1px solid var(--line);
    }

    .intro-grid {
      display: block;
    }

    .intro-main {
      max-width: 760px;
    }

    h1 {
      margin: 0;
      font-size: clamp(34px, 6vw, 72px);
      line-height: 1;
      letter-spacing: -0.07em;
    }

    .intro-text {
      max-width: 720px;
      margin: 16px 0 0;
      color: var(--text);
      font-size: 16px;
    }

    .profile-summary {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 10px;
      margin: 24px 0 0;
      padding: 10px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: rgba(255, 255, 255, 0.62);
    }

    .summary-row {
      display: grid;
      gap: 4px;
      padding: 10px 8px;
      font-size: 14px;
    }

    .summary-row dt {
      color: var(--muted);
      font-size: 12px;
      font-weight: 800;
      line-height: 1.3;
    }

    .summary-row dd {
      margin: 0;
      color: var(--text);
      line-height: 1.45;
    }

    .section {
      padding: 54px 0;
    }

    .section-title {
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 24px;
      margin-bottom: 22px;
    }

    h2 {
      margin: 0;
      font-size: clamp(26px, 4vw, 44px);
      line-height: 1.08;
      letter-spacing: -0.06em;
    }

    .section-title p {
      max-width: 520px;
      margin: 0;
      color: var(--muted);
      font-size: 14px;
    }

    .filter-bar {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-bottom: 20px;
    }

    .filter-chip {
      appearance: none;
      cursor: pointer;
      padding: 8px 12px;
      border: 1px solid var(--line);
      border-radius: 999px;
      background: #fff;
      color: var(--text);
      font: inherit;
      font-size: 13px;
      font-weight: 700;
      transition: background 160ms ease, color 160ms ease, border-color 160ms ease, transform 160ms ease;
    }

    .filter-chip:hover {
      border-color: var(--ink);
      transform: translateY(-1px);
    }

    .filter-chip.active {
      color: #fff;
      background: var(--ink);
      border-color: var(--ink);
    }

    .works-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 18px;
    }

    .work-card {
      display: flex;
      flex-direction: column;
      min-height: 100%;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: var(--card);
      box-shadow: var(--shadow);
      overflow: hidden;
      opacity: 1;
      transform: translateY(0) scale(1);
      transition: box-shadow 180ms ease, transform 180ms ease;
    }

    .work-card:hover {
      transform: translateY(-3px);
      box-shadow: 0 18px 42px rgba(0, 0, 0, 0.09);
    }

    .work-card.is-showing {
      animation: cardFadeIn 260ms ease both;
    }

    @keyframes cardFadeIn {
      from {
        opacity: 0;
        transform: translateY(8px) scale(0.99);
      }
      to {
        opacity: 1;
        transform: translateY(0) scale(1);
      }
    }

    .thumb {
      position: relative;
      aspect-ratio: 16 / 10;
      background:
        linear-gradient(135deg, rgba(47, 92, 255, 0.18), rgba(255, 255, 255, 0)),
        #dedbd2;
      overflow: hidden;
    }

    .thumb::after {
      content: "作品orイメージ";
      position: absolute;
      inset: auto 14px 14px auto;
      padding: 5px 9px;
      border-radius: 999px;
      color: rgba(255,255,255,0.9);
      background: rgba(0, 0, 0, 0.42);
      font-size: 11px;
      font-weight: 700;
    }

    .thumb img,
    .thumb video {
      height: 100%;
      object-fit: cover;
    }

    .work-body {
      display: flex;
      flex-direction: column;
      flex: 1;
      padding: 18px;
    }

    .work-topline {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      margin-bottom: 10px;
      color: var(--muted);
      font-size: 12px;
      font-weight: 700;
    }

    .category {
      color: var(--accent);
    }

    .work-card h3 {
      margin: 0 0 8px;
      font-size: 21px;
      line-height: 1.25;
      letter-spacing: -0.04em;
    }

    .work-desc {
      margin: 0;
      color: var(--text);
      font-size: 14px;
    }

    .work-info {
      display: grid;
      gap: 7px;
      margin-top: 16px;
      margin-bottom: 26px;
      padding-top: 14px;
      border-top: 1px solid var(--line);
      color: var(--muted);
      font-size: 13px;
    }

    .work-info div {
      display: grid;
      grid-template-columns: 72px 1fr;
      gap: 10px;
    }

    .work-info strong {
      color: var(--ink);
      font-weight: 700;
    }

    .work-link {
      display: inline-flex;
      justify-content: center;
      margin-top: auto;
      padding: 12px 14px;
      border-radius: 12px;
      color: #fff;
      background: var(--ink);
      font-size: 14px;
      font-weight: 800;
      transition: background 160ms ease, transform 160ms ease;
    }

    .work-link:hover {
      background: var(--accent);
      transform: translateY(-1px);
    }

    .info-grid {
      display: grid;
      grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
      gap: 18px;
    }

    .info-card {
      padding: 24px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: #fff;
      box-shadow: var(--shadow);
    }

    .info-card h3 {
      margin: 0 0 10px;
      font-size: 20px;
      letter-spacing: -0.04em;
    }

    .info-card p {
      margin: 0;
      color: var(--text);
      font-size: 14px;
    }

    .skill-list {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 16px;
    }

    .skill {
      padding: 7px 10px;
      border-radius: 999px;
      background: var(--accent-soft);
      color: #2448c7;
      font-size: 13px;
      font-weight: 700;
    }

    .contact-section {
      padding: 54px 0 70px;
    }

    .contact-box {
      display: grid;
      grid-template-columns: minmax(0, 1fr) max-content;
      gap: 24px;
      align-items: center;
      padding: 28px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: var(--ink);
      color: #fff;
      overflow: visible;
    }

    .contact-box h2 {
      font-size: clamp(24px, 4vw, 38px);
    }

    .contact-box p {
      margin: 10px 0 0;
      color: rgba(255,255,255,0.72);
      font-size: 14px;
    }

    .mail-button {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      justify-self: end;
      min-width: 150px;
      min-height: 46px;
      padding: 0 20px;
      border-radius: 999px;
      background: #fff;
      color: var(--ink);
      line-height: 1;
      white-space: nowrap;
      font-weight: 800;
    }

    footer {
      padding: 22px 0 34px;
      border-top: 1px solid var(--line);
      color: var(--muted);
      font-size: 13px;
    }

    .footer-inner {
      display: flex;
      justify-content: space-between;
      gap: 16px;
    }

    @media (max-width: 980px) {
      .info-grid,
      .contact-box {
        grid-template-columns: 1fr;
      }

      .profile-summary {
        grid-template-columns: 1fr;
        gap: 4px;
        margin-top: 20px;
      }

      .summary-row {
        padding: 10px 8px;
      }

      .mail-button {
        justify-self: start;
      }

      .works-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 680px) {
      .wrap {
        width: min(var(--max), calc(100% - 24px));
      }

      .nav {
        min-height: 64px;
      }

      .nav-links {
        display: none;
      }

      .intro {
        padding-top: 38px;
      }

      .contact-box {
        padding: 22px;
      }

      .mail-button {
        width: 100%;
      }

      .works-grid {
        grid-template-columns: 1fr;
      }

      .section-title {
        display: block;
      }

      .section-title p {
        margin-top: 10px;
      }

      .work-info div {
        grid-template-columns: 1fr;
        gap: 2px;
      }

      .footer-inner {
        flex-direction: column;
      }
    }