/* ─── RESET & ROOT ─────────────────────────────────── */
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    :root {
      --black: #000000;
      --white: #FFFFFF;
      --red:   #FF0000;
      --off-white: #F5F4F0;
      --gray-100: #fff;
      --gray-400: #fff;
      --gray-600: #fff;
      --serif: 'Shippori Mincho', serif;
      --sans:  'DM Sans', sans-serif;
      --nav-h: 72px;
    }
    html { scroll-behavior: smooth; font-size: 16px; }
    body {
      background: var(--black);
      color: var(--white);
      font-family: var(--sans);
      font-weight: 300;
      line-height: 1.7;
      overflow-x: hidden;
      cursor: none;
    }
    ::selection { background: var(--red); color: var(--white); }

    /* ─── CUSTOM CURSOR ────────────────────────────────── */
    #cursor {
      position: fixed; top: 0; left: 0; z-index: 9999;
      width: 10px; height: 10px;
      background: var(--red);
      border-radius: 50%;
      pointer-events: none;
      transform: translate(-50%,-50%);
      transition: transform .1s, width .3s, height .3s, background .3s;
    }
    #cursor-ring {
      position: fixed; top: 0; left: 0; z-index: 9998;
      width: 36px; height: 36px;
      border: 1px solid rgba(255,255,255,.3);
      border-radius: 50%;
      pointer-events: none;
      transform: translate(-50%,-50%);
      transition: transform .25s cubic-bezier(.23,1,.32,1), width .3s, height .3s, border-color .3s;
    }
    body:has(a:hover) #cursor { background: var(--white); transform: translate(-50%,-50%) scale(2); }
    body:has(a:hover) #cursor-ring { border-color: var(--white); transform: translate(-50%,-50%) scale(.6); }

    /* ─── NOISE OVERLAY ────────────────────────────────── */
    body::before {
      content: '';
      position: fixed; inset: 0; z-index: 1000;
      pointer-events: none;
      opacity: .025;
      background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
      background-repeat: repeat;
      background-size: 128px;
    }

    /* ─── SCROLLBAR ────────────────────────────────────── */
    ::-webkit-scrollbar { width: 3px; }
    ::-webkit-scrollbar-track { background: var(--black); }
    ::-webkit-scrollbar-thumb { background: var(--red); }

    /* ─── NAV ──────────────────────────────────────────── */
    nav {
      position: fixed; top: 0; left: 0; right: 0; z-index: 500;
      height: var(--nav-h);
      display: flex; align-items: center; justify-content: space-between;
      padding: 0 clamp(24px, 5vw, 80px);
      background: rgba(0,0,0,.92);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(255,255,255,.05);
      transition: border-color .3s;
    }
    nav.scrolled { border-bottom-color: rgba(255,255,255,.1); }
    .nav-logo {
      display: flex; align-items: center; gap: 12px;
      text-decoration: none; color: var(--white);
    }
    .logo-mark {
      width: 40px; height: 40px;
      display: flex; align-items: center; justify-content: center;
      position: relative;
    }
    .logo-mark svg { width: 40px; height: 40px; }
    .logo-text {
      font-family: var(--serif);
      font-size: 1.25rem;
      font-weight: 700;
      letter-spacing: .08em;
    }
    .logo-text span { color: var(--red); }
    .nav-links {
      display: flex; gap: 40px; list-style: none;
    }
    .nav-links a {
      color: #fff;
      text-decoration: none;
      font-size: .8rem;
      letter-spacing: .18em;
      text-transform: uppercase;
      font-weight: 400;
      transition: color .25s;
      position: relative;
    }
    .nav-links a::after {
      content: '';
      position: absolute; left: 0; bottom: -4px;
      width: 0; height: 1px;
      background: var(--red);
      transition: width .3s;
    }
    .nav-links a:hover { color: var(--white); }
    .nav-links a:hover::after { width: 100%; }
    .nav-cta {
      background: var(--white); color: var(--black) !important;
      padding: 8px 20px;
      font-weight: 500 !important;
      letter-spacing: .1em !important;
      transition: background .25s, color .25s !important;
    }
    .nav-cta::after { display: none !important; }
    .nav-cta:hover { background: var(--red) !important; color: var(--white) !important; }
    .hamburger {
      display: none; flex-direction: column; gap: 5px;
      background: none; border: none; cursor: pointer; padding: 4px;
    }
    .hamburger span {
      display: block; width: 24px; height: 1px;
      background: var(--white);
      transition: transform .3s, opacity .3s;
    }
    .hamburger.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
    .hamburger.open span:nth-child(2) { opacity: 0; }
    .hamburger.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
    .mobile-menu {
      display: none; position: fixed; inset: var(--nav-h) 0 0 0; z-index: 499;
      background: rgba(0,0,0,.97);
      flex-direction: column; align-items: center; justify-content: center;
      gap: 40px;
    }
    .mobile-menu.open { display: flex; }
    .mobile-menu a {
      color: var(--white); text-decoration: none;
      font-family: var(--serif); font-size: 2rem;
      letter-spacing: .05em;
      transition: color .2s;
    }
    .mobile-menu a:hover { color: var(--red); }

    /* ─── SECTIONS BASE ────────────────────────────────── */
    section { padding: clamp(80px, 12vw, 160px) clamp(24px, 8vw, 120px); }
    .section-label {
      display: flex; align-items: center; gap: 16px;
      font-size: .7rem; letter-spacing: .3em; text-transform: uppercase;
      color: var(--gray-400); margin-bottom: 24px;
    }
    .section-label::before {
      content: ''; display: block;
      width: 32px; height: 1px; background: var(--red);
    }
    h1,h2,h3 { font-family: var(--serif); line-height: 1.15; }
    h1 { font-size: clamp(3rem, 8vw, 7rem); font-weight: 800; }
    h2 { font-size: clamp(2rem, 5vw, 4rem); font-weight: 700; }
    h3 { font-size: clamp(1.2rem, 2.5vw, 1.75rem); font-weight: 600; }
    p { color: var(--gray-400); max-width: 640px; }
    .red { color: var(--red); }
    .btn {
      display: inline-flex; align-items: center; gap: 10px;
      padding: 14px 32px;
      font-family: var(--sans); font-size: .8rem;
      letter-spacing: .18em; text-transform: uppercase; font-weight: 500;
      text-decoration: none; border: none; cursor: pointer;
      transition: all .3s cubic-bezier(.23,1,.32,1);
      position: relative; overflow: hidden;
    }
    .btn-primary {
      background: var(--white); color: var(--black);
    }
    .btn-primary::after {
      content: ''; position: absolute; inset: 0;
      background: var(--red);
      transform: translateX(-101%);
      transition: transform .35s cubic-bezier(.23,1,.32,1);
      z-index: 0;
    }
    .btn-primary:hover { color: var(--white); }
    .btn-primary:hover::after { transform: translateX(0); }
    .btn-primary span, .btn-primary svg { position: relative; z-index: 1; }
    .btn-outline {
      background: transparent; color: var(--white);
      border: 1px solid rgba(255,255,255,.25);
    }
    .btn-outline:hover { border-color: var(--white); background: rgba(255,255,255,.05); }
    hr.divider {
      border: none; border-top: 1px solid rgba(255,255,255,.07);
      margin: 0;
    }

    /* ─── FADE-IN ANIMATION ────────────────────────────── */
    .fade-up {
      opacity: 0; transform: translateY(40px);
      transition: opacity .8s cubic-bezier(.23,1,.32,1), transform .8s cubic-bezier(.23,1,.32,1);
    }
    .fade-up.visible { opacity: 1; transform: translateY(0); }
    .delay-1 { transition-delay: .1s; }
    .delay-2 { transition-delay: .2s; }
    .delay-3 { transition-delay: .3s; }
    .delay-4 { transition-delay: .45s; }

    /* ─── HERO ─────────────────────────────────────────── */
    #home {
      min-height: 100svh;
      display: grid; grid-template-rows: 1fr auto;
      padding-top: var(--nav-h);
      position: relative; overflow: hidden;
    }
    .hero-bg {
      position: absolute; inset: 0;
      background: radial-gradient(ellipse 80% 60% at 60% 50%, rgba(255,0,0,.04) 0%, transparent 70%);
      pointer-events: none;
    }
    .hero-kanji {
      position: absolute; right: -2vw; top: 50%;
      transform: translateY(-50%);
      font-family: var(--serif);
      font-size: clamp(200px, 30vw, 480px);
      font-weight: 800; line-height: 1;
      color: rgba(255,255,255,.03);
      pointer-events: none; user-select: none;
      letter-spacing: -.05em;
    }
    .hero-content {
      display: flex; flex-direction: column; justify-content: center;
      padding: clamp(60px, 10vw, 120px) 0;
      max-width: 900px;
      position: relative; z-index: 1;
    }
    .hero-eyebrow {
      display: flex; align-items: center; gap: 12px;
      font-size: .7rem; letter-spacing: .35em; text-transform: uppercase;
      color: var(--red); margin-bottom: 32px;
      opacity: 0; animation: fadeInUp .8s .2s forwards;
    }
    .hero-eyebrow::before {
      content: ''; width: 24px; height: 1px; background: var(--red);
    }
    .hero-h1 {
      opacity: 0; animation: fadeInUp .9s .4s forwards;
    }
    .hero-h1 .line { display: block; }
    .hero-h1 .line-dim { color: rgba(255,255,255,.2); }
    .hero-h1 .line-mid { color: rgba(255,255,255,.55); }
    .hero-sub {
      margin-top: 32px; margin-bottom: 48px;
      font-size: 1.05rem; max-width: 520px;
      opacity: 0; animation: fadeInUp .9s .6s forwards;
    }
    .hero-actions {
      display: flex; gap: 16px; flex-wrap: wrap;
      opacity: 0; animation: fadeInUp .9s .75s forwards;
    }
    .hero-stats {
      padding: clamp(24px, 4vw, 40px) 0;
      border-top: 1px solid rgba(255,255,255,.07);
      display: flex; gap: clamp(32px, 6vw, 80px);
      position: relative; z-index: 1;
    }
    .stat { }
    .stat-num {
      font-family: var(--serif);
      font-size: clamp(1.8rem, 3.5vw, 2.5rem);
      font-weight: 700; line-height: 1;
      color: var(--white);
    }
    .stat-num sup { font-size: .5em; color: var(--red); }
    .stat-label { font-size: .7rem; letter-spacing: .2em; text-transform: uppercase; color: var(--gray-400); margin-top: 4px; }
    .scroll-hint {
      position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%);
      display: flex; flex-direction: column; align-items: center; gap: 8px;
      color: var(--gray-600); font-size: .65rem; letter-spacing: .2em; text-transform: uppercase;
      animation: float 2.5s ease-in-out infinite;
    }
    .scroll-hint svg { opacity: .4; }
    @keyframes float { 0%,100%{transform:translateX(-50%) translateY(0)} 50%{transform:translateX(-50%) translateY(8px)} }
    @keyframes fadeInUp { from{opacity:0;transform:translateY(30px)} to{opacity:1;transform:translateY(0)} }

    /* ─── MARQUEE ──────────────────────────────────────── */
    .marquee-strip {
      overflow: hidden;
      border-top: 1px solid rgba(255,255,255,.06);
      border-bottom: 1px solid rgba(255,255,255,.06);
      padding: 16px 0; background: var(--black);
    }
    .marquee-track {
      display: flex; gap: 0;
      animation: marquee 22s linear infinite;
      width: max-content;
    }
    .marquee-track span {
      font-family: var(--serif); font-size: .8rem;
      letter-spacing: .3em; text-transform: uppercase;
      color: #fff;
      padding: 0 40px;
      white-space: nowrap;
    }
    .marquee-track span.dot { color: var(--red); padding: 0 16px; letter-spacing: 0; font-size: 1.2rem; }
    @keyframes marquee { 0%{transform:translateX(0)} 100%{transform:translateX(-50%)} }

    /* ─── ABOUT ────────────────────────────────────────── */
    #about { background: var(--black); }
    .about-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: clamp(40px, 6vw, 100px);
      align-items: start;
      margin-top: 60px;
    }
    .about-left { position: relative; }
    .about-portrait {
      width: 100%; aspect-ratio: 3/4;
      background: rgba(255,255,255,.04);
      border: 1px solid rgba(255,255,255,.08);
      position: relative; overflow: hidden;
    }
    .about-portrait::before {
      content: '道'; position: absolute;
      top: 50%; left: 50%; transform: translate(-50%,-50%);
      font-family: var(--serif); font-size: 200px;
      color: rgba(255,255,255,.06); pointer-events: none;
    }
    .about-portrait-caption {
      position: absolute; bottom: 0; left: 0; right: 0;
      padding: 24px;
      background: linear-gradient(transparent, rgba(0,0,0,.9));
      font-size: .7rem; letter-spacing: .2em; text-transform: uppercase; color: var(--gray-400);
    }
    .about-portrait-line {
      position: absolute; top: 0; right: -20px; bottom: 0; width: 1px;
      background: linear-gradient(to bottom, transparent, var(--red) 50%, transparent);
    }
    .about-right { padding-top: 8px; }
    .about-right h2 { margin-bottom: 32px; }
    .about-right p { margin-bottom: 24px; color: #fff; }
    .about-right p strong { color: var(--white); font-weight: 500; }
    .philosophy-list { list-style: none; margin-top: 40px; }
    .philosophy-list li {
      display: flex; align-items: flex-start; gap: 20px;
      padding: 20px 0;
      border-top: 1px solid rgba(255,255,255,.06);
    }
    .phil-kanji {
      font-family: var(--serif); font-size: 1.8rem;
      color: var(--red); line-height: 1; min-width: 32px;
      text-align: center;
    }
    .phil-body h4 {
      font-family: var(--serif); font-size: 1rem;
      font-weight: 600; color: var(--white); margin-bottom: 4px;
    }
    .phil-body p { font-size: .88rem; margin: 0; max-width: none; }

    /* ─── SERVICES ─────────────────────────────────────── */
    #services { background: var(--off-white); color: var(--black); }
    #services .section-label { color: var(--gray-600); }
    #services h2 { color: var(--black); }
    #services p { color: #fff; }
    .services-intro { margin-bottom: 64px; }
    .services-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 2px;
    }
    .service-card {
      background: var(--black);
      padding: clamp(32px, 4vw, 52px);
      position: relative; overflow: hidden;
      transition: transform .4s cubic-bezier(.23,1,.32,1);
    }
    .service-card::before {
      content: ''; position: absolute; top: 0; left: 0; right: 0;
      height: 2px; background: transparent;
      transition: background .3s;
    }
    .service-card:hover { transform: translateY(-4px); }
    .service-card:hover::before { background: var(--red); }
    .service-icon {
      width: 52px; height: 52px; margin-bottom: 28px;
      display: flex; align-items: center; justify-content: center;
      border: 1px solid rgba(255,255,255,.1);
      color: var(--red); font-family: var(--serif); font-size: 1.4rem;
    }
    .service-card h3 { color: var(--white); margin-bottom: 16px; font-size: 1.3rem; }
    .service-card p { color: rgba(255,255,255,.45); font-size: .9rem; margin: 0; max-width: none; }
    .service-card .service-tags {
      display: flex; flex-wrap: wrap; gap: 8px; margin-top: 28px;
    }
    .service-tag {
      font-size: .65rem; letter-spacing: .15em; text-transform: uppercase;
      padding: 4px 10px; border: 1px solid rgba(255,255,255,.12);
      color: #fff;
    }

    /* ─── PROCESS ──────────────────────────────────────── */
    #process { background: var(--black); }
    .process-steps {
      display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
      gap: 0; margin-top: 64px;
    }
    .process-step {
      padding: 40px 32px;
      border-left: 1px solid rgba(255,255,255,.06);
      position: relative;
    }
    .process-step:first-child { border-left: none; }
    .step-num {
      font-family: var(--serif); font-size: 4rem; font-weight: 800;
      color: rgb(255 255 255 / 45%); line-height: 1; margin-bottom: 20px;
    }
    .process-step h3 { font-size: 1.1rem; margin-bottom: 12px; }
    .process-step p { font-size: .88rem; max-width: none; }
    .process-step .step-bar {
      position: absolute; top: 0; left: 0; right: 0;
      height: 1px; background: rgba(255,255,255,.06);
      overflow: hidden;
    }
    .process-step .step-bar::after {
      content: ''; display: block;
      height: 100%; width: 0; background: var(--red);
      transition: width 1.2s cubic-bezier(.23,1,.32,1);
    }
    .process-step.visible .step-bar::after { width: 100%; }

    /* ─── BLOG ─────────────────────────────────────────── */
    #blog { background: var(--black); border-top: 1px solid rgba(255,255,255,.06); }
    .blog-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 2px; margin-top: 60px;
    }
    .blog-card {
      background: rgba(255,255,255,.02);
      padding: 40px;
      border: 1px solid rgba(255,255,255,.05);
      text-decoration: none; color: inherit;
      transition: border-color .3s, background .3s;
      display: flex; flex-direction: column;
    }
    .blog-card:hover { border-color: rgba(255,255,255,.15); background: rgba(255,255,255,.04); }
    .blog-meta {
      display: flex; align-items: center; gap: 16px;
      margin-bottom: 20px;
    }
    .blog-cat {
      font-size: .65rem; letter-spacing: .2em; text-transform: uppercase;
      color: var(--red);
    }
    .blog-date { font-size: .75rem; color: var(--gray-600); }
    .blog-card h3 { font-size: 1.2rem; margin-bottom: 12px; color: var(--white); }
    .blog-card p { font-size: .88rem; color: var(--gray-400); flex: 1; max-width: none; }
    .blog-read {
      display: flex; align-items: center; gap: 8px;
      margin-top: 24px; font-size: .75rem;
      letter-spacing: .15em; text-transform: uppercase;
      color: var(--gray-600);
      transition: color .25s;
    }
    .blog-card:hover .blog-read { color: var(--white); }
    .blog-read svg { transition: transform .3s; }
    .blog-card:hover .blog-read svg { transform: translateX(4px); }
    .blog-cta { text-align: center; margin-top: 48px; }

    /* ─── CONTACT ──────────────────────────────────────── */
    #contact { background: var(--white); color: var(--black); }
    #contact .section-label { color: var(--gray-600); }
    #contact h2 { color: var(--black); }
    .contact-grid {
      display: grid; grid-template-columns: 1fr 1fr;
      gap: clamp(40px, 6vw, 100px); margin-top: 60px;
    }
    .contact-left h3 { color: var(--black); margin-bottom: 20px; font-size: 1.5rem; }
    .contact-left p { color: var(--gray-600); margin-bottom: 40px; max-width: 400px; }
    .contact-detail {
      display: flex; align-items: center; gap: 16px;
      padding: 20px 0; border-bottom: 1px solid var(--gray-100);
    }
    .contact-detail:last-child { border-bottom: none; }
    .cd-icon {
      width: 44px; height: 44px; display: flex; align-items: center; justify-content: center;
      border: 1px solid var(--gray-100); flex-shrink: 0;
    }
    .cd-icon svg { color: var(--black); }
    .cd-label { font-size: .7rem; letter-spacing: .15em; text-transform: uppercase; color: var(--gray-400); margin-bottom: 4px; }
    .cd-value { font-size: .95rem; color: var(--black); font-weight: 400; }
    .cd-value a { color: var(--black); text-decoration: none; }
    .cd-value a:hover { color: var(--red); }
    .wa-btn {
      display: inline-flex; align-items: center; gap: 10px;
      background: #25D366; color: var(--white);
      padding: 14px 28px; margin-top: 32px;
      font-size: .8rem; letter-spacing: .15em; text-transform: uppercase;
      text-decoration: none; font-weight: 500;
      transition: opacity .25s;
    }
    .wa-btn:hover { opacity: .88; }
    /* Form */
    .contact-form { display: flex; flex-direction: column; gap: 20px; }
    .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
    .form-group { display: flex; flex-direction: column; gap: 8px; }
    .form-group label {
      font-size: .7rem; letter-spacing: .18em; text-transform: uppercase;
      color: var(--gray-600);
    }
    .form-group input,
    .form-group select,
    .form-group textarea {
      background: var(--off-white);
      border: 1px solid var(--gray-100);
      padding: 14px 16px;
      font-family: var(--sans); font-size: .92rem; color: var(--black);
      outline: none;
      transition: border-color .25s;
      resize: none;
    }
    .form-group input:focus,
    .form-group select:focus,
    .form-group textarea:focus { border-color: var(--black); }
    .form-group textarea { min-height: 120px; }
    .form-submit .btn-primary { width: 100%; justify-content: center; background: var(--black); color: var(--white); }
    .form-submit .btn-primary::after { background: var(--red); }
    .form-submit .btn-primary:hover { color: var(--white); }
    .form-note { font-size: .75rem; color: var(--gray-400); text-align: center; max-width: none; }
    #form-success {
      display: none; text-align: center; padding: 40px 20px;
      background: rgba(0,200,80,.05); border: 1px solid rgba(0,200,80,.15);
    }
    #form-success h3 { color: var(--black); margin-bottom: 12px; }
    #form-success p { color: var(--gray-600); max-width: none; }

    /* ─── FOOTER ───────────────────────────────────────── */
    footer {
      background: var(--black);
      padding: clamp(40px, 6vw, 80px) clamp(24px, 8vw, 120px) 40px;
      border-top: 1px solid rgba(255,255,255,.06);
    }
    .footer-top {
      display: flex; align-items: flex-start; justify-content: space-between;
      padding-bottom: 48px; gap: 40px; flex-wrap: wrap;
    }
    .footer-brand .logo-text { font-size: 1.5rem; }
    .footer-brand p { font-size: .85rem; color: var(--gray-600); margin-top: 16px; max-width: 280px; }
    .footer-links { display: flex; gap: 60px; flex-wrap: wrap; }
    .footer-col h5 {
      font-size: .7rem; letter-spacing: .2em; text-transform: uppercase;
      color: var(--gray-600); margin-bottom: 20px; font-weight: 400;
    }
    .footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 12px;     padding: 0;}
    .footer-col a {
      color: var(--gray-400); text-decoration: none; font-size: .88rem;
      transition: color .25s;
    }
    .footer-col a:hover { color: var(--white); }
    .footer-bottom {
      border-top: 1px solid rgba(255,255,255,.06);
      padding-top: 32px;
      display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px;
    }
    .footer-bottom p { font-size: .75rem; color: var(--gray-600); max-width: none; }
    .footer-bottom a { color: var(--gray-600); text-decoration: none; }
    .footer-bottom a:hover { color: var(--white); }
    .footer-kanji {
      font-family: var(--serif); font-size: .9rem;
      color: rgba(255,255,255,.15); letter-spacing: .3em;
    }

    /* ─── RESPONSIVE ───────────────────────────────────── */
    @media (max-width: 900px) {
      .nav-links { display: none; }
      .hamburger { display: flex; }
      .about-grid { grid-template-columns: 1fr; }
      .about-left { display: none; }
      .contact-grid { grid-template-columns: 1fr; }
      .form-row { grid-template-columns: 1fr; }
    }
    @media (max-width: 640px) {
      body { cursor: auto; }
      #cursor, #cursor-ring { display: none; }
      h1 { font-size: 2.6rem; }
      h2 { font-size: 2rem; }
      .hero-stats { gap: 24px; flex-wrap: wrap; }
      .footer-top { flex-direction: column; }
      .footer-links { gap: 32px; }
      .process-steps { grid-template-columns: 1fr 1fr; }
    }
    @media (max-width: 400px) {
      .process-steps { grid-template-columns: 1fr; }
    }