:root {
      --green-primitive: oklch(0.46 0.135 153);
      --green-dark-primitive: oklch(0.27 0.055 153);
      --yellow-primitive: oklch(0.89 0.17 96);
      --paper-primitive: oklch(0.985 0.006 95);
      --ink-primitive: oklch(0.22 0.018 153);
      --surface: var(--paper-primitive);
      --surface-brand: var(--green-primitive);
      --surface-dark: var(--green-dark-primitive);
      --text: var(--ink-primitive);
      --text-on-brand: oklch(0.985 0.006 95);
      --accent: var(--yellow-primitive);
      --line: oklch(0.82 0.018 153);
      --line-dark: oklch(0.42 0.06 153);
      --muted: oklch(0.43 0.02 153);
      --button-bg: var(--accent);
      --button-text: var(--ink-primitive);
      --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
      --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
      --container: 1280px;
      --ease: cubic-bezier(.22, 1, .36, 1);
    }
    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; scroll-padding-top: 88px; }
    body { margin: 0; min-width: 320px; min-height: 100dvh; overflow-x: hidden; background: var(--surface); color: var(--text); font: 16px/1.7 var(--font-sans); -webkit-font-smoothing: antialiased; }
    body.modal-open { overflow: hidden; }
    button, input { font: inherit; }
    button, a { -webkit-tap-highlight-color: transparent; }
    button { color: inherit; }
    a { color: inherit; text-decoration: none; }
    button { cursor: pointer; }
    svg { display: block; }
    ::selection { background: var(--accent); color: var(--text); }
    :focus-visible { outline: 3px solid var(--accent); outline-offset: 4px; }
    .container { width: min(100% - 40px, var(--container)); margin-inline: auto; }
    .mono { font-family: var(--font-mono); }
    .skip-link { position: fixed; z-index: 100; top: 8px; left: 8px; padding: 10px 16px; background: var(--accent); color: var(--text); transform: translateY(-160%); transition: transform .2s var(--ease); }
    .skip-link:focus { transform: translateY(0); }
    .announcement { background: var(--accent); border-bottom: 1px solid var(--text); font-size: 13px; font-weight: 700; letter-spacing: .04em; }
    .announcement .container { min-height: 36px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
    .announcement span:last-child { font-family: var(--font-mono); font-size: 12px; }
    .site-header { position: sticky; z-index: 20; top: 0; background: color-mix(in oklch, var(--surface) 94%, transparent); border-bottom: 1px solid var(--line); backdrop-filter: blur(16px); }
    .nav { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
    .brand { display: inline-flex; align-items: center; gap: 12px; flex: 0 0 auto; }
    .brand-mark { width: 40px; height: 40px; display: grid; place-items: center; background: var(--surface-brand); color: var(--accent); border: 1px solid var(--text); font: 800 14px/1 var(--font-mono); letter-spacing: -.08em; transform: rotate(-4deg); transition: transform .2s var(--ease); }
    .brand:hover .brand-mark { transform: rotate(0); }
    .brand-name { display: block; font-size: 17px; font-weight: 900; line-height: 1.2; letter-spacing: .02em; }
    .brand-sub { display: block; margin-top: 4px; color: var(--muted); font: 10px/1 var(--font-mono); letter-spacing: .13em; }
    .nav-links { display: flex; align-items: center; gap: 28px; margin-left: auto; }
    .nav-links a { position: relative; min-height: 44px; display: inline-flex; align-items: center; font-size: 14px; font-weight: 700; }
    .nav-links a::after { content: ""; position: absolute; right: 0; bottom: 7px; left: 0; height: 2px; background: var(--surface-brand); transform: scaleX(0); transform-origin: right; transition: transform .2s var(--ease); }
    .nav-links a:hover::after, .nav-links a:focus-visible::after { transform: scaleX(1); transform-origin: left; }
    .nav-order { min-height: 44px; display: inline-flex; align-items: center; gap: 10px; padding: 0 18px; background: var(--text); color: var(--text-on-brand); border: 1px solid var(--text); font-size: 14px; font-weight: 800; transition: background .2s, color .2s, transform .2s; }
    .nav-order:hover { background: var(--accent); color: var(--text); transform: translateY(-2px); }
    .hero { position: relative; overflow: hidden; background: var(--surface-brand); color: var(--text-on-brand); border-bottom: 1px solid var(--text); }
    .hero::before { content: ""; position: absolute; inset: 0; opacity: .12; pointer-events: none; background-image: linear-gradient(var(--text-on-brand) 1px, transparent 1px), linear-gradient(90deg, var(--text-on-brand) 1px, transparent 1px); background-size: 48px 48px; mask-image: linear-gradient(90deg, transparent, #000 70%); }
    .hero-main { position: relative; display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(340px, .8fr); align-items: center; gap: 72px; padding-block: 80px 72px; }
    .eyebrow { display: flex; align-items: center; gap: 12px; margin: 0 0 24px; color: var(--accent); font: 700 12px/1.4 var(--font-mono); letter-spacing: .12em; text-transform: uppercase; }
    .eyebrow::before { content: ""; width: 32px; height: 2px; background: currentColor; }
    .hero h1 { max-width: 780px; margin: 0; font-size: clamp(44px, 5.2vw, 76px); font-weight: 950; line-height: 1.12; letter-spacing: -.055em; }
    .hero h1 .highlight { position: relative; display: inline-block; color: var(--accent); }
    .hero h1 .highlight::after { content: ""; position: absolute; right: 0; bottom: -5px; left: 0; height: 7px; background: var(--accent); transform: rotate(-1deg); opacity: .32; }
    .hero-copy { max-width: 650px; margin: 28px 0 0; color: var(--text-on-brand); font-size: 17px; line-height: 1.85; }
    .hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 24px; margin-top: 36px; }
    .button-primary { min-height: 54px; display: inline-flex; align-items: center; justify-content: center; gap: 20px; padding: 0 24px; background: var(--button-bg); color: var(--button-text); border: 1px solid var(--text); box-shadow: 5px 5px 0 var(--text); font-weight: 900; transition: transform .2s var(--ease), box-shadow .2s var(--ease); }
    .button-primary:hover { transform: translate(3px, 3px); box-shadow: 2px 2px 0 var(--text); }
    .button-primary:active { transform: translate(5px, 5px); box-shadow: none; }
    .text-link { min-height: 44px; display: inline-flex; align-items: center; gap: 8px; border-bottom: 1px solid currentColor; font-weight: 800; }
    .text-link svg { transition: transform .2s var(--ease); }
    .text-link:hover svg { transform: translateX(4px); }
    .hero-note { display: flex; flex-wrap: wrap; gap: 8px 24px; margin: 30px 0 0; padding: 0; list-style: none; font-size: 13px; }
    .hero-note li { display: flex; align-items: center; gap: 8px; }
    .hero-note li::before { content: ""; width: 5px; height: 5px; background: var(--accent); }
    .order-visual { position: relative; color: var(--text); transform: rotate(2deg); }
    .order-visual::before { content: ""; position: absolute; inset: 14px -14px -14px 14px; border: 1px solid var(--accent); }
    .terminal { position: relative; background: var(--surface); border: 1px solid var(--text); box-shadow: 10px 10px 0 color-mix(in oklch, var(--text) 30%, transparent); }
    .terminal-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 16px 20px; border-bottom: 1px solid var(--text); font: 700 12px/1.4 var(--font-mono); }
    .live { display: inline-flex; align-items: center; gap: 8px; color: var(--surface-brand); }
    .live-dot { width: 8px; height: 8px; border-radius: 50%; background: currentColor; animation: pulse 2s ease-in-out infinite; }
    .terminal-body { padding: 26px 24px 24px; }
    .terminal-label { margin: 0; color: var(--muted); font: 12px/1.4 var(--font-mono); letter-spacing: .08em; }
    .terminal-title { margin: 10px 0 24px; font-size: 26px; font-weight: 950; line-height: 1.3; }
    .terminal-row { display: grid; grid-template-columns: 34px 1fr auto; gap: 12px; align-items: center; padding: 15px 0; border-top: 1px solid var(--line); }
    .terminal-row .num { font: 12px/1 var(--font-mono); color: var(--muted); }
    .terminal-row strong { font-size: 14px; }
    .terminal-row .state { font: 11px/1.4 var(--font-mono); }
    .terminal-row:last-child .state { color: var(--surface-brand); font-weight: 800; }
    .terminal-code { margin-top: 20px; padding: 12px; background: var(--accent); border: 1px dashed var(--text); text-align: center; font: 700 12px/1.5 var(--font-mono); letter-spacing: .08em; }
    .hero-strip { position: relative; border-top: 1px solid var(--line-dark); }
    .hero-strip .container { display: grid; grid-template-columns: repeat(4, 1fr); }
    .strip-item { padding: 22px 24px; border-left: 1px solid var(--line-dark); }
    .strip-item:last-child { border-right: 1px solid var(--line-dark); }
    .strip-item small { display: block; color: var(--accent); font: 11px/1.4 var(--font-mono); letter-spacing: .08em; }
    .strip-item strong { display: block; margin-top: 6px; font-size: 16px; }
    @keyframes pulse { 50% { opacity: .35; transform: scale(.8); } }

.products-section { padding-block: 88px 96px; }
    .section-intro { display: grid; grid-template-columns: 1fr minmax(300px, 430px); gap: 48px; align-items: end; margin-bottom: 40px; }
    .section-kicker { margin: 0 0 12px; color: var(--surface-brand); font: 700 12px/1.4 var(--font-mono); letter-spacing: .12em; text-transform: uppercase; }
    .section-title { margin: 0; font-size: clamp(34px, 4vw, 54px); font-weight: 950; line-height: 1.18; letter-spacing: -.04em; }
    .section-desc { max-width: 620px; margin: 16px 0 0; color: var(--muted); }
    .search-wrap { position: relative; }
    .search-wrap svg { position: absolute; top: 50%; left: 16px; transform: translateY(-50%); pointer-events: none; }
    .search-input { width: 100%; min-height: 52px; padding: 0 48px; background: transparent; color: var(--text); border: 1px solid var(--text); border-radius: 0; outline: none; }
    .search-input::placeholder { color: var(--muted); }
    .search-input:focus { box-shadow: 4px 4px 0 var(--accent); }
    .search-clear { position: absolute; top: 50%; right: 6px; width: 44px; height: 44px; transform: translateY(-50%); border: 0; background: transparent; font-size: 22px; opacity: 0; pointer-events: none; transition: opacity .2s; }
    .search-clear.visible { opacity: 1; pointer-events: auto; }
    .filter-bar { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; margin-bottom: 24px; }
    .filter-button { min-height: 44px; padding: 0 18px; background: transparent; border: 1px solid var(--line); font-size: 14px; font-weight: 800; transition: background .2s, color .2s, border-color .2s; }
    .filter-button:hover { border-color: var(--text); }
    .filter-button[aria-pressed="true"] { background: var(--text); color: var(--text-on-brand); border-color: var(--text); }
    .result-count { margin: 0 0 16px auto; color: var(--muted); font: 12px/1.4 var(--font-mono); }
    .product-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1px solid var(--text); border-left: 1px solid var(--text); }
    .product-card { min-width: 0; display: flex; flex-direction: column; padding: 0; background: transparent; border: 0; border-right: 1px solid var(--text); border-bottom: 1px solid var(--text); border-radius: 0; text-align: left; transition: background .2s; }
    .product-card:hover { background: color-mix(in oklch, var(--accent) 17%, var(--surface)); }
    .product-card[hidden] { display: none; }
    .product-art { position: relative; height: 190px; overflow: hidden; display: flex; align-items: center; justify-content: center; background: var(--surface-brand); color: var(--accent); border-bottom: 1px solid var(--text); }
    .product-art::before { content: ""; position: absolute; width: 160px; height: 160px; border: 1px solid currentColor; border-radius: 50%; transform: translate(48px, -34px); transition: transform .25s var(--ease); }
    .product-art::after { content: ""; position: absolute; inset: 16px; border: 1px solid currentColor; opacity: .35; transform: rotate(-4deg); transition: transform .25s var(--ease); }
    .product-card:hover .product-art::before { transform: translate(28px, -12px) scale(1.1); }
    .product-card:hover .product-art::after { transform: rotate(0); }
    .art-glyph { position: relative; z-index: 1; font-size: 70px; font-weight: 950; line-height: 1; letter-spacing: -.08em; text-shadow: 4px 4px 0 var(--text); }
    .art-code { position: absolute; z-index: 2; right: 12px; bottom: 10px; font: 11px/1 var(--font-mono); letter-spacing: .1em; }
    .product-card:nth-child(3n+2) .product-art { background: var(--accent); color: var(--surface-brand); }
    .product-card:nth-child(3n) .product-art { background: var(--text); color: var(--text-on-brand); }
    .product-info { flex: 1; display: flex; flex-direction: column; padding: 22px; }
    .product-meta { display: flex; align-items: center; justify-content: space-between; gap: 12px; color: var(--muted); font: 11px/1.4 var(--font-mono); letter-spacing: .06em; }
    .product-stock { color: var(--surface-brand); font-weight: 800; }
    .product-name { margin: 16px 0 8px; font-size: 20px; font-weight: 950; line-height: 1.4; }
    .product-desc { margin: 0 0 24px; color: var(--muted); font-size: 14px; line-height: 1.75; }
    .product-action { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: auto; padding-top: 16px; border-top: 1px solid var(--line); font-size: 14px; font-weight: 900; }
    .product-action svg { transition: transform .2s var(--ease); }
    .product-card:hover .product-action svg { transform: translateX(5px); }
    .empty-state { padding: 64px 24px; border: 1px solid var(--text); text-align: center; }
    .empty-state[hidden] { display: none; }
    .empty-state h3 { margin: 0 0 8px; font-size: 24px; }
    .empty-state p { margin: 0 0 24px; color: var(--muted); }
    .reset-button { min-height: 44px; padding: 0 20px; background: var(--text); color: var(--text-on-brand); border: 1px solid var(--text); font-weight: 800; }
    .catalog-note { margin: 20px 0 0; color: var(--muted); font-size: 13px; }
    .process-section { background: var(--accent); border-block: 1px solid var(--text); }
    .process-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 80px; padding-block: 88px; }
    .process-heading { align-self: start; position: sticky; top: 112px; }
    .process-heading .section-kicker { color: var(--text); }
    .process-heading p:last-child { max-width: 420px; margin: 20px 0 0; }
    .steps { border-top: 1px solid var(--text); }
    .step { display: grid; grid-template-columns: 70px 1fr; gap: 24px; padding-block: 30px; border-bottom: 1px solid var(--text); }
    .step-num { font: 700 14px/1.6 var(--font-mono); }
    .step h3 { margin: 0 0 8px; font-size: 24px; line-height: 1.4; }
    .step p { margin: 0; line-height: 1.8; }
    .process-action { margin-top: 32px; }
    .order-band { background: var(--surface-dark); color: var(--text-on-brand); }
    .order-band .container { min-height: 280px; display: flex; align-items: center; justify-content: space-between; gap: 48px; padding-block: 56px; }
    .order-band .mono { margin: 0 0 12px; color: var(--accent); font-size: 12px; letter-spacing: .1em; }
    .order-band h2 { max-width: 780px; margin: 0; font-size: clamp(32px, 4vw, 52px); line-height: 1.25; letter-spacing: -.035em; }
    .order-band .button-primary { flex: 0 0 auto; }
    .faq-section { padding-block: 88px; }
    .faq-layout { display: grid; grid-template-columns: .72fr 1.28fr; gap: 80px; }
    .faq-aside p { max-width: 380px; color: var(--muted); }
    .faq-list { border-top: 1px solid var(--text); }
    .faq-item { border-bottom: 1px solid var(--text); }
    .faq-item summary { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 18px 0; cursor: pointer; list-style: none; font-size: 18px; font-weight: 900; }
    .faq-item summary::-webkit-details-marker { display: none; }
    .faq-item summary::after { content: "+"; flex: 0 0 auto; font: 400 28px/1 var(--font-mono); transition: transform .2s var(--ease); }
    .faq-item[open] summary::after { transform: rotate(45deg); }
    .faq-item summary:hover { color: var(--surface-brand); }
    .faq-answer { max-width: 70ch; padding: 0 44px 24px 0; color: var(--muted); }
    .faq-answer p { margin: 0; }
    .site-footer { background: var(--text); color: var(--text-on-brand); }
    .footer-main { display: grid; grid-template-columns: 1fr auto; gap: 48px; padding-block: 56px 40px; }
    .footer-brand { font-size: clamp(30px, 4vw, 50px); font-weight: 950; line-height: 1.2; letter-spacing: -.04em; }
    .footer-brand span { color: var(--accent); }
    .footer-copy { max-width: 620px; margin: 16px 0 0; color: var(--text-on-brand); font-size: 14px; }
    .footer-links { display: flex; align-items: start; gap: 24px; }
    .footer-links a { min-height: 44px; display: inline-flex; align-items: center; border-bottom: 1px solid var(--line-dark); font-size: 14px; }
    .footer-links a:hover { color: var(--accent); border-color: var(--accent); }
    .footer-bottom { display: flex; justify-content: space-between; gap: 24px; padding-block: 20px; border-top: 1px solid var(--line-dark); font: 11px/1.6 var(--font-mono); }
    .modal { width: min(100% - 32px, 560px); max-height: min(760px, calc(100dvh - 48px)); padding: 0; overflow: auto; background: var(--surface); color: var(--text); border: 1px solid var(--text); border-radius: 0; box-shadow: 12px 12px 0 var(--accent); opacity: 0; transform: scale(.95); transition: opacity .2s var(--ease), transform .2s var(--ease), overlay .2s allow-discrete, display .2s allow-discrete; }
    .modal[open] { opacity: 1; transform: scale(1); }
    @starting-style { .modal[open] { opacity: 0; transform: scale(.95); } }
    .modal::backdrop { background: oklch(0.15 0.02 153 / .74); opacity: 0; transition: opacity .2s, overlay .2s allow-discrete, display .2s allow-discrete; }
    .modal[open]::backdrop { opacity: 1; }
    @starting-style { .modal[open]::backdrop { opacity: 0; } }
    .modal-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 18px 22px; background: var(--accent); border-bottom: 1px solid var(--text); }
    .modal-head span { font: 700 12px/1.4 var(--font-mono); letter-spacing: .08em; }
    .modal-close { width: 44px; height: 44px; display: grid; place-items: center; background: transparent; border: 1px solid var(--text); font-size: 24px; line-height: 1; transition: background .2s, color .2s; }
    .modal-close:hover { background: var(--text); color: var(--text-on-brand); }
    .modal-body { padding: 30px; }
    .modal-body h2 { margin: 0 0 12px; font-size: 30px; line-height: 1.3; }
    .modal-desc { margin: 0 0 24px; color: var(--muted); }
    .modal-specs { margin: 0 0 28px; padding: 0; list-style: none; border-top: 1px solid var(--line); }
    .modal-specs li { display: flex; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--line); font-size: 14px; }
    .modal-specs li::before { content: "→"; color: var(--surface-brand); font-family: var(--font-mono); font-weight: 800; }
    .modal-tip { margin: 18px 0 0; color: var(--muted); font-size: 12px; }
    .modal .button-primary { width: 100%; }
    @media (max-width: 1024px) {
      .hero-main { gap: 40px; grid-template-columns: minmax(0, 1.1fr) minmax(320px, .9fr); }
      .hero h1 { font-size: clamp(42px, 5.6vw, 60px); }
      .product-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
      .process-layout, .faq-layout { gap: 48px; }
    }
    @media (max-width: 768px) {
      .container { width: min(100% - 32px, var(--container)); }
      .nav { min-height: 68px; gap: 12px; }
      .nav-links { display: none; }
      .brand-sub { display: none; }
      .brand-name { font-size: 15px; }
      .brand-mark { width: 36px; height: 36px; }
      .nav-order { padding: 0 12px; font-size: 13px; }
      .hero-main { grid-template-columns: 1fr; gap: 56px; padding-block: 56px 64px; }
      .hero h1 { font-size: clamp(40px, 9vw, 60px); }
      .hero-copy { font-size: 16px; }
      .order-visual { width: min(100% - 12px, 480px); margin-inline: auto; }
      .hero-strip .container { grid-template-columns: repeat(2, 1fr); }
      .strip-item:nth-child(3) { border-top: 1px solid var(--line-dark); }
      .strip-item:nth-child(4) { border-top: 1px solid var(--line-dark); border-right: 1px solid var(--line-dark); }
      .section-intro { grid-template-columns: 1fr; gap: 28px; }
      .products-section, .faq-section { padding-block: 64px; }
      .product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
      .product-art { height: 160px; }
      .product-info { padding: 18px; }
      .process-layout, .faq-layout { grid-template-columns: 1fr; gap: 40px; padding-block: 64px; }
      .process-heading { position: static; }
      .order-band .container { align-items: flex-start; flex-direction: column; gap: 28px; }
      .footer-main { grid-template-columns: 1fr; gap: 24px; }
      .footer-links { flex-wrap: wrap; }
    }
    @media (max-width: 480px) {
      .announcement .container { justify-content: center; }
      .announcement span:last-child { display: none; }
      .hero-main { padding-top: 44px; }
      .hero h1 { font-size: 39px; letter-spacing: -.045em; }
      .hero-actions { align-items: flex-start; flex-direction: column; gap: 16px; }
      .button-primary { min-height: 52px; }
      .hero-note { gap: 8px 16px; }
      .terminal-body { padding: 22px 18px 18px; }
      .terminal-title { font-size: 23px; }
      .terminal-row { grid-template-columns: 26px 1fr; }
      .terminal-row .state { display: none; }
      .strip-item { padding: 18px 12px; }
      .strip-item strong { font-size: 14px; }
      .product-grid { grid-template-columns: 1fr; }
      .product-art { height: 174px; }
      .filter-bar { gap: 6px; }
      .filter-button { padding: 0 13px; }
      .result-count { width: 100%; margin: 6px 0 0; }
      .step { grid-template-columns: 44px 1fr; gap: 12px; }
      .step h3 { font-size: 21px; }
      .order-band .container { min-height: 0; }
      .footer-bottom { flex-direction: column; gap: 8px; }
      .modal-body { padding: 24px 20px; }
    }
    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      *, *::before, *::after { animation: none !important; transition: none !important; }
    }

.search-label { display: block; margin-bottom: 8px; font-size: 12px; }
.button-dark { background: var(--text); color: var(--text-on-brand); box-shadow: 5px 5px 0 var(--surface-brand); }