:root {
      --black: #0a0a0a;
      --white: #f5f4f0;
      --gray-1: #e8e6e0;
      --gray-2: #b0ada6;
      --gray-3: #6b6860;
      --gray-4: #2a2926;
      --border: rgba(0,0,0,0.10);
      --serif: 'EB Garamond', Georgia, serif;
      --serif-light: 'Cormorant Garamond', Georgia, serif;
      --serif-cn: 'Noto Serif TC', 'Songti SC', serif;
      --mono: 'DM Mono', monospace;
    }

    *, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
    html { scroll-behavior: smooth; }

    body {
      background: var(--white);
      color: var(--black);
      font-family: var(--serif);
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }
    
    img {
      pointer-events: none;
      user-select: none;
      -webkit-user-drag: none;
    }

    /* ── NAV ── */
    nav {
      position: fixed;
      top: 0; left: 0; right: 0;
      z-index: 100;
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 2rem 4rem;
      background: transparent;
      border-bottom: 0.5px solid transparent;
      transition: background 0.5s ease, border-color 0.5s ease;
    }

    nav.scrolled {
      background: rgba(245,244,240,0.88);
      backdrop-filter: blur(8px);
      border-bottom: 0.5px solid var(--border);
    }
    nav.scrolled .nav-name {
    color: var(--black);
    }

    nav.scrolled .nav-links a {
    color: var(--gray-3);
    }

    nav.scrolled .nav-links a:hover {
    color: var(--black);
    }

    .nav-name {
      font-family: var(--mono);
      font-size: 14px;
      letter-spacing: 0.3em;
      text-transform: uppercase;
      color: rgba(255,255,255,0.85);
    }

    .nav-links { display: flex; gap: 3rem; list-style: none; }

    .nav-links a {
      font-family: var(--mono);
      font-size: 14px;
      letter-spacing: 0.2em;
      text-transform: uppercase;
      color: rgba(255,255,255,0.55);
      text-decoration: none;
      transition: color 0.3s ease;
    }

    .nav-links a:hover { color: rgba(255,255,255,1);}

    /* ── HERO — full bleed painting ── */
    .hero {
      position: relative;
      width: 100%;
      height: 100vh;
      overflow: hidden;
      border-bottom: 0.5px solid var(--border);
    }

    .hero-bg {
      position: absolute;
      inset: 0;
      background-image: url('o_hero.jpg');
      background-size: cover;
      background-position: center top;
      background-repeat: no-repeat;
    }

    .hero-content {
      position: absolute;
      top: 0; left: 0; right: 0;
      padding: 10rem 4rem 0;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 4rem;
      align-items: start;
    }

    .hero-kanji {
      font-family: var(--serif-cn);
      font-size: 120px;
      line-height: 1;
      margin-top: 1.5rem;
      font-weight: 800;
      color: rgba(255,255,255,0.01);
      line-height: 1;
    }

    .hero-statement {
      font-family: var(--serif-cn);
      font-size: 42px;
      font-weight: 800;
      line-height: 1.6;
      color: rgba(255,255,255,0.7);
      letter-spacing: -0.01em;
      padding-top: 1rem;
    }

    .hero-subdued {
      color: rgba(255,255,255,0.6);
      font-size: 28px;
      font-weight: 500;
      font-style: normal;
    }

    .hero-tagline {
      font-family: var(--serif);
      font-size: 14px;
      color: rgba(255,255,255,0.45);
      letter-spacing: 0.05em;
      margin-top: 2rem;
    }

    .hero-quote {
      font-family: var(--serif);
      font-size: 16px;
      font-weight: 300;
      line-height: 1.7;
      color: rgba(255,255,255,0.55);
      margin-top: 1.5rem;
      max-width: 360px;
    }

    .hero-author {
      font-family: var(--mono);
      font-size: 10px;
      max-width: 80%;
      letter-spacing: 0.2em;
      color: rgba(255,255,255,0.35);
      margin-top: 0.75rem;
      text-transform: uppercase;
    }

    .hero-location {
      position: absolute;
      bottom: 3rem;
      left: 4rem;
      font-family: var(--mono);
      font-size: 10px;
      letter-spacing: 0.2em;
      color: var(--gray-3);
      text-transform: uppercase;
    }

    /* ── SECTION BASE ── */
    section { border-bottom: 0.5px solid var(--border); }

    .section-header {
      display: grid;
      grid-template-columns: 240px 1fr;
      gap: 4rem;
      padding: 4rem;
      border-bottom: 0.5px solid var(--border);
      align-items: center;
    }

    .section-meta { display: flex; flex-direction: column; gap: 0.75rem; }

    .section-num {
      font-family: var(--mono);
      font-size: 10px;
      letter-spacing: 0.2em;
      color: var(--gray-2);
    }

    .section-kanji {
      font-family: var(--serif-cn);
      font-size: 32px;
      font-weight: 800;
      color: var(--gray-2);
      line-height: 1;
      margin-left: -4px;
    }

    .section-title {
      font-family: var(--mono);
      font-size: 10px;
      letter-spacing: 0.2em;
      text-transform: uppercase;
      color: var(--gray-3);
    }

    .section-desc {
      font-family: var(--serif);
      font-size: 18px;
      font-weight: 400;
      line-height: 1.6;
      color: var(--gray-3);
      max-width: 480px;
      
      padding-top: 0.5rem;
    }

    /* ── PAINTING ── */
    .work-featured {
      width: 100%;
      aspect-ratio: 16 / 7;
      background: var(--gray-1);
      overflow: hidden;
      position: relative;
      display: flex;
      align-items: flex-end;
      padding: 2rem 4rem;
    }

    .work-featured img {
      width: 100%; height: 100%;
      object-fit: cover;
      position: absolute;
      top: 0; left: 0;
    }

    .work-label {
      font-family: var(--mono);
      font-size: 10px;
      letter-spacing: 0.15em;
      color: var(--gray-3);
      text-transform: uppercase;
      position: relative;
      z-index: 1;
    }

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

    .work-item {
      aspect-ratio: 4 / 3;
      background: var(--gray-1);
      overflow: hidden;
      position: relative;
      border-right: 0.5px solid var(--border);
      border-top: 0.5px solid var(--border);
      display: flex;
      align-items: flex-end;
      padding: 1.5rem 2rem;
    }

    .work-item:nth-child(even) { border-right: none; }

    .work-item img {
      width: 100%; height: 100%;
      object-fit: cover;
      position: absolute;
      top: 0; left: 0;
      transition: transform 0.6s ease;
    }

    .work-item:hover img { transform: scale(1.02); }

    .work-item-label {
      font-family: var(--mono);
      font-size: 10px;
      letter-spacing: 0.15em;
      color: rgba(255,255,255,0.5);
      text-transform: uppercase;
      position: relative;
      z-index: 1;
    }

    .shade-a { background: #dedad4; }
    .shade-b { background: #ccc9c2; }
    .shade-c { background: #e4e1db; }
    .shade-d { background: #d4d1ca; }

    /* ── DESIGN ── */
    .design-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      border-top: 0.5px solid var(--border);
    }

    .design-item {
      aspect-ratio: 4 / 3;
      background: var(--gray-1);
      border-right: 0.5px solid var(--border);
      border-bottom: 0.5px solid var(--border);
      overflow: hidden;
      position: relative;
      display: flex;
      align-items: flex-end;
      padding: 1.5rem 2rem;
    }

    .design-item:nth-child(even) { border-right: none; }
    .design-item:nth-child(3),
    .design-item:nth-child(4) { border-bottom: none; }

    .design-item img {
      width: 100%; height: 100%;
      object-fit: cover;
      position: absolute;
      top: 0; left: 0;
      transition: transform 0.6s ease;
    }

    .design-item:hover img { transform: scale(1.02); }

    .design-item::after {
      content: '';
      position: absolute;
      inset: 0;
      background: rgba(0,0,0,1);
      mix-blend-mode: saturation;
      filter: contrast(1);
      transition: opacity 0.5s ease;
      z-index: 1;
    }

    .design-item:hover::after {
      opacity: 0;
    }

    .design-item-label {
      font-family: var(--mono);
      font-size: 10px;
      letter-spacing: 0.15em;
      color: rgba(255,255,255,0.8);
      text-transform: uppercase;
      position: relative;
      z-index: 2;
    }

    /* ── PHILOSOPHY — magazine layout ── */
    .philosophy-body {
      padding: 5rem 4rem 6rem;
    }

    .phil-text {
      font-family: var(--serif);
      font-size: 17px;
      line-height: 1.85;
      color: var(--gray-3);
      
    }

    /* shinai: text left, image right */
    .phil-row-right {
      display: grid;
      grid-template-columns: 1fr 40%;
      gap: 6rem;
      align-items: center;
      margin: 5rem 0;
    }

    /* midi: image left, text right */
    .phil-row-left {
      display: grid;
      grid-template-columns: 38% 1fr;
      gap: 6rem;
      align-items: center;
      margin: 5rem 0;
    }

    .phil-img { position: relative; }

    .phil-img img {
      width: 100%;
      display: block;
      filter: grayscale(100%);
    }

    .phil-img-placeholder {
      width: 100%;
      aspect-ratio: 3/2;
      background: var(--gray-1);
      display: flex;
      align-items: flex-end;
      padding: 1rem 1.25rem;
    }

    .phil-img-caption {
      font-family: var(--mono);
      font-size: 10px;
      letter-spacing: 0.15em;
      color: var(--gray-2);
      text-transform: uppercase;
      margin-top: 1rem;
    }

    /* pillars */
    .philosophy-pillars {
      margin-top: 5rem;
      display: flex;
      flex-direction: column;
      gap: 1.75rem;
      border-top: 0.5px solid var(--border);
      padding-top: 3rem;
      max-width: 700px;
    }

    .pillar {
      display: grid;
      grid-template-columns: 120px 1fr;
      gap: 2rem;
      align-items: baseline;
    }

    .pillar-name {
      font-family: var(--mono);
      font-size: 10px;
      letter-spacing: 0.2em;
      text-transform: uppercase;
      color: var(--gray-2);
    }

    .pillar-desc {
      font-family: var(--serif);
      font-size: 14px;
      line-height: 1.9;
      color: var(--gray-3);
      
    }

    .philosophy-quote {
      font-family: var(--serif-cn);
      font-size: 28px;
      font-weight: 800;
      /*color: var(--gray-2); */
      color: rgba(26,24,22,0.50);
      letter-spacing: 0.12em;
      margin-top: 4rem;
      margin: 4rem -4rem 0;
      padding-top: 2.5rem;
      border-top: 0.5px solid var(--border);
    }

    /* ── FOOTER ── */
    footer {
      padding: 2rem 4rem;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    footer span {
      font-family: var(--mono);
      font-size: 10px;
      letter-spacing: 0.18em;
      color: var(--gray-2);
      text-transform: uppercase;
    }

    /* ── FADE IN ── */
    .fade-in {
      opacity: 0;
      transform: translateY(16px);
      transition: opacity 0.8s ease, transform 0.8s ease;
    }

    .fade-in.visible {
      opacity: 1;
      transform: translateY(0);
    }


    /* ── RESPONSIVE ── */
    @media (max-width: 768px) {
      nav {
        padding: 1.25rem 1.5rem;
        flex-direction: column;
        gap: 0.75rem;
        align-items: center;
      }

      .nav-name {
        font-size: 14px;
        letter-spacing: 0.25em;
      }

      .nav-links {
        gap: 2rem;
      }

      .nav-links a {
        font-size: 12px;
        letter-spacing: 0.15em;
      }

      .hero-content {
        padding: 6rem 1.5rem 0;
        grid-template-columns: 1fr;
        gap: 1rem;
      }

      .hero-kanji {
        font-size: 64px;
      }

      .hero-statement {
        font-size: 36px;
        line-height: 1.5;
      }
      .hero-subdued {
        font-size: 24px;
        line-height: 1.5
      }

      .hero-quote {
        font-size: 14px;
        max-width: 100%;
        margin-top: 1rem;
      }

      .hero-author {
        font-size: 9px;
      }

      .hero-tagline {
        font-size: 11px;
        margin-top: 1rem;
      }

      .hero-location {
        left: 1.5rem;
        bottom: 2rem;
        font-size: 9px;
      }

      .section-header {
        grid-template-columns: 1fr;
        gap: 1rem;
        padding: 2.5rem 1.5rem;
      }

      .section-desc {
        max-width: 100%;
      }

      .design-item::after {
        background: rgba(0,0,0,0.2);
      }

      .work-featured {
        padding: 1.5rem;
        aspect-ratio: 4 / 3;
      }

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

      .work-item {
        border-right: none;å
      }

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

      .design-item {
        aspect-ratio: 4 / 3;
        border-right: none;
        border-bottom: 0.5px solid var(--border);
      }

      .design-item:nth-child(odd) { border-right: none; }
      .design-item:nth-child(even) { border-right: none; }
      .design-item:last-child { border-bottom: none; }

      .philosophy-body {
        padding: 3rem 1.5rem 4rem;
      }

      .phil-row-right,
      .phil-row-left {
        grid-template-columns: 1fr;
        gap: 2rem;
        margin: 2.5rem 0;
      }

      .phil-row-right .phil-img { order: -1; }

      .philosophy-pillars {
        max-width: 100%;
        margin-top: 3rem;
      }

      .pillar {
        grid-template-columns: 90px 1fr;
        gap: 1.5rem;
      }

      .philosophy-quote {
        margin: 3rem -1.5rem 0;
        padding-left: 1.5rem;
      }

      footer {
        padding: 1.5rem;
        flex-wrap: wrap;
        gap: 0.75rem;
      }
    }
    
    /* ── LOGO SLIDER ── */
    .logo-slider {
      position: absolute;
      inset: 0;
    }

    .logo-slider img {
      position: absolute;
      inset: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      opacity: 0;
      animation: fadeSlide 36s infinite;
    }

    .logo-slider img:nth-child(1) { animation-delay: 0s; }
    .logo-slider img:nth-child(2) { animation-delay: 09s; }
    .logo-slider img:nth-child(3) { animation-delay: 18s; }
    .logo-slider img:nth-child(4) { animation-delay: 27s; }

    @keyframes fadeSlide {
      0%    { opacity: 0; }
      15%   { opacity: 1; }
      25%   { opacity: 1; }
      40%   { opacity: 0; }
      100%  { opacity: 0; }
    }

    .hero-kanji rt {
      font-size: 0.25em;
      letter-spacing: 0;
      margin: 0;
      padding: 0;
    }

    .phil-text rt {
      font-size: 0.5em;
      letter-spacing: 0;
      margin: 0;
      padding: 0;
    }
    ruby {
      font-family: var(--serif-cn);
    }