html:has([data-theme]){background:#f2f2f0}[data-theme]{--ground:#f2f2f0;--paper:#fff;--paper-2:#f7f7f5;--hatch:#e9e9e9;--faint:#d9d9d9;--dim:#7a7a7a;--ink-dim:#666;--ink:#1c1c1c;--rule:#2a2a2a;--placeholder:#767676;--shu:#c8361b;--shu-hover:#a82a12;--shu-soft:#c8361b14;--shu-line:#c8361b73;--bg:var(--paper);--bg-deep:var(--paper-2);--surface:var(--paper);--surface-2:var(--paper-2);--surface-3:var(--faint);--fg:var(--ink);--fg-muted:var(--ink-dim);--fg-faint:var(--ink-dim);--accent:var(--shu);--accent-hover:var(--shu-hover);--accent-ink:var(--paper);--accent-soft:var(--shu-soft);--accent-line:var(--shu-line);--accent-glow:transparent;--line:var(--faint);--line-strong:var(--rule);--gray-50:#f7f7f5;--gray-100:#f3f3f1;--gray-200:#e9e9e9;--gray-300:#d9d9d9;--gray-500:#7a7a7a;--gray-700:#444;--gray-900:#1c1c1c;--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-5:24px;--space-6:32px;--space-8:48px;--space-10:64px;--space-12:96px;--space-16:128px;--radius-sm:0;--radius-md:0;--radius-lg:0;--radius-full:999px;--shadow-xs:none;--shadow-sm:none;--shadow-md:none;--shadow-lg:none;--glow-sm:none;--glow-md:none;--glow-lg:none;--glow:none;--accent-grad:linear-gradient(var(--shu), var(--shu));--accent-grad-line:var(--shu);--accent-dim:var(--shu-soft);--scanline:transparent;--beam-color:var(--shu);--container-wide:1180px;--container-narrow:720px;--status-amber-bg:#fff4dc;--status-amber-fg:#8a5a00;--status-amber-line:#e6c273;--status-green-bg:#e8f5ea;--status-green-fg:#1f6b35;--status-green-line:#9fd3ac;--status-gray-bg:#f0f0ee;--status-gray-fg:#555;--status-gray-line:var(--faint);--status-red-bg:var(--shu-soft);--status-red-fg:var(--shu);--status-red-line:var(--shu-line);--danger:var(--shu);--danger-bg:var(--shu-soft);--sheet-pad:14px;--axis-w:34px;--dim-h:34px;--font-display:"IBM Plex Sans JP", "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Yu Gothic", sans-serif;--font-body:"IBM Plex Sans JP", "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Yu Gothic", sans-serif;--font-mono:"IBM Plex Mono", "SF Mono", Menlo, Consolas, ui-monospace, monospace;background:var(--ground);color:var(--ink);font-family:var(--font-body);font-variant-numeric:tabular-nums;font-size:15px;line-height:1.8}[data-theme] h1{font-family:var(--font-display);letter-spacing:-.01em;color:var(--ink);font-size:clamp(30px,4.4vw,46px);font-weight:600;line-height:1.2}[data-theme] h2{font-family:var(--font-display);letter-spacing:-.005em;color:var(--ink);font-size:clamp(22px,3vw,30px);font-weight:600;line-height:1.3}[data-theme] h3{font-family:var(--font-display);color:var(--ink);font-size:17px;font-weight:600;line-height:1.45}[data-theme] a{color:inherit}[data-theme] ::selection{background:var(--shu);color:var(--paper)}[data-theme] :focus-visible{outline:2px solid var(--shu);outline-offset:1px}[data-theme] .container{width:100%;max-width:var(--container-wide);padding-inline:var(--space-6);margin-inline:auto}[data-theme] .container-narrow{width:100%;max-width:var(--container-narrow);padding-inline:var(--space-6);margin-inline:auto}[data-theme] .section{padding-block:var(--space-12)}[data-theme] .section-sm{padding-block:var(--space-8)}[data-theme] .stack{gap:var(--stack-gap,var(--space-4));flex-direction:column;display:flex}[data-theme] .grid-cards{gap:var(--space-5);grid-template-columns:repeat(auto-fit,minmax(260px,1fr));display:grid}[data-theme] .mono{font-family:var(--font-mono);font-feature-settings:normal;letter-spacing:.04em}[data-theme] .section-index{font-family:var(--font-mono);letter-spacing:.16em;color:var(--ink-dim);font-size:11px;font-weight:500}[data-theme] .bp-grid{background-image:linear-gradient(var(--faint) 1px, transparent 1px), linear-gradient(90deg, var(--faint) 1px, transparent 1px);background-size:36px 36px}[data-theme] .hatch{background-image:repeating-linear-gradient(-45deg, transparent 0 5px, var(--hatch) 5px 6px)}[data-theme] .shu{color:var(--shu)}[data-theme] .rule-dashed{border:0;border-top:1px dashed var(--dim)}[data-theme] .mark{border:1px solid var(--rule);border-radius:var(--radius-full);background:var(--paper);width:22px;height:22px;font-family:var(--font-mono);letter-spacing:.02em;color:var(--ink);flex:none;justify-content:center;align-items:center;font-size:9px;font-weight:500;line-height:1;display:inline-flex}[data-theme] .eyebrow{font-family:var(--font-mono);letter-spacing:.14em;text-transform:uppercase;color:var(--ink-dim);align-items:center;gap:9px;font-size:11px;font-weight:500;display:inline-flex}[data-theme] .eyebrow:before{content:"";background:var(--shu);width:6px;height:6px}[data-theme] .eyebrow[data-mark]:before{content:attr(data-mark);border:1px solid var(--rule);border-radius:var(--radius-full);background:var(--paper);letter-spacing:.02em;width:22px;height:22px;color:var(--ink);justify-content:center;align-items:center;font-size:9px;display:inline-flex}[data-theme] .btn{border:1px solid var(--rule);background:var(--paper);color:var(--ink);font-family:var(--font-mono);letter-spacing:.04em;cursor:pointer;border-radius:0;justify-content:center;align-items:center;gap:8px;padding:10px 18px;font-size:13px;font-weight:500;line-height:1.4;text-decoration:none;transition:background .12s,color .12s,border-color .12s;display:inline-flex}[data-theme] .btn:hover:not(:disabled){background:var(--ink);color:var(--paper);border-color:var(--ink)}[data-theme] .btn:focus-visible{outline:2px solid var(--shu);outline-offset:1px}[data-theme] .btn:disabled{opacity:.35;cursor:not-allowed}[data-theme] .btn-primary{border-color:var(--shu);color:var(--shu);background:var(--paper)}[data-theme] .btn-primary:hover:not(:disabled){background:var(--shu);color:var(--paper);border-color:var(--shu)}[data-theme] .btn-secondary{background:var(--paper-2);color:var(--ink);border-color:var(--rule)}[data-theme] .btn-ghost{color:var(--ink);border-color:var(--rule);background:0 0}[data-theme] .btn-on-dark{border-color:var(--shu);color:var(--shu);background:var(--paper)}[data-theme] .btn-on-dark:hover:not(:disabled){background:var(--shu);color:var(--paper);border-color:var(--shu)}[data-theme] .btn-ghost-on-dark{color:var(--ink);border-color:var(--rule);background:0 0}[data-theme] .btn-block{width:100%}[data-theme] .btn-sm{padding:5px 12px;font-size:12px}[data-theme] .card{background:var(--paper);border:1px solid var(--rule);padding:var(--space-5);box-shadow:none;border-radius:0;position:relative}[data-theme] .card-hover{outline-offset:-2px;outline:2px solid #0000;transition:outline-color .12s}[data-theme] .card-hover:hover,[data-theme] .card-hover:focus-within{outline-color:var(--ink)}[data-theme] .card-hover:after{content:"";border-style:solid;border-width:0 10px 10px 0;border-color:transparent var(--shu) transparent transparent;opacity:0;pointer-events:none;width:0;height:0;transition:opacity .12s;position:absolute;top:-1px;right:-1px}[data-theme] .card-hover:hover:after,[data-theme] .card-hover:focus-within:after{opacity:1}[data-theme] .badge{border:1px solid var(--rule);background:var(--paper);color:var(--ink);font-family:var(--font-mono);letter-spacing:.06em;white-space:nowrap;border-radius:0;align-items:center;gap:6px;padding:2px 8px;font-size:10.5px;font-weight:500;display:inline-flex}[data-theme] .badge-amber{background:var(--status-amber-bg);color:var(--status-amber-fg);border-color:var(--status-amber-line)}[data-theme] .badge-green{background:var(--status-green-bg);color:var(--status-green-fg);border-color:var(--status-green-line)}[data-theme] .badge-gray{background:var(--status-gray-bg);color:var(--status-gray-fg);border-color:var(--status-gray-line)}[data-theme] .field{gap:var(--space-2);flex-direction:column;display:flex}[data-theme] .field-label{font-family:var(--font-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--ink-dim);font-size:11px;font-weight:500}[data-theme] .input{border:0;border-bottom:1px solid var(--dim);width:100%;font-family:var(--font-body);color:var(--ink);background:0 0;border-radius:0;padding:10px 2px;font-size:15px;transition:border-color .12s}[data-theme] textarea.input{border:1px solid var(--rule);padding:10px 12px}[data-theme] .input::placeholder{color:var(--placeholder)}[data-theme] .input:focus{border-color:var(--shu);outline:none}[data-theme] .form-message{border:1px solid var(--rule);border-radius:0;padding:10px 12px;font-size:14px;line-height:1.6}[data-theme] .form-message.is-success{background:var(--status-green-bg);color:var(--status-green-fg);border-color:var(--status-green-line)}[data-theme] .form-message.is-error{background:var(--paper);color:var(--shu);border:1px dashed var(--shu)}[data-theme] .room{background:var(--paper);border:1px solid var(--rule);flex-direction:column;min-width:0;display:flex;position:relative}[data-theme] .room-head{border-bottom:1px solid var(--rule);flex:none;justify-content:space-between;align-items:flex-end;gap:8px;padding:8px 12px 6px;display:flex}[data-theme] .room-body{padding:var(--space-4) 12px;flex:1}[data-theme] .tag{flex-direction:column;line-height:1.3;display:flex}[data-theme] .tag b{color:var(--ink);font-size:13px;font-weight:600}[data-theme] .tag small{font-family:var(--font-mono);letter-spacing:.04em;color:var(--ink-dim);font-size:10px}[data-theme] .tools{flex-wrap:wrap;justify-content:flex-end;gap:4px;display:flex}[data-theme] .tools .btn{padding:1px 8px;font-size:11px}[data-theme] .sheet{min-height:100vh;padding:var(--sheet-pad);background:var(--ground)}[data-theme] .frame{min-height:calc(100vh - var(--sheet-pad) * 2);background:var(--paper);border:1.5px solid var(--rule);outline:1px solid var(--rule);outline-offset:3px;grid-template-columns:var(--axis-w) minmax(0, 1fr);grid-template-rows:var(--dim-h) 1fr auto;grid-template-areas:"corner dim""axis body""title title";animation:.5s both sheet-in;display:grid;position:relative}@keyframes sheet-in{0%{opacity:0}}[data-theme] .corner{border-right:1px solid var(--faint);border-bottom:1px solid var(--faint);background-image:repeating-linear-gradient(-45deg, transparent 0 5px, var(--hatch) 5px 6px);grid-area:corner}[data-theme] .dim{border-bottom:1px solid var(--faint);grid-area:dim;position:relative}[data-theme] .dim-row{grid-template-columns:1fr;display:grid;position:absolute;inset:0}[data-theme] .dim-seg{height:100%;position:relative}[data-theme] .dim-seg:before{content:"";background:var(--dim);transform-origin:0;height:1px;animation:.7s cubic-bezier(.2,.7,.2,1) .2s both dim-draw;position:absolute;top:22px;left:0;right:0}@keyframes dim-draw{0%{transform:scaleX(0)}}[data-theme] .dim-seg:after,[data-theme] .dim-seg .tick{content:"";background:var(--ink);width:7px;height:1px;position:absolute;top:19px;right:-4px;transform:rotate(45deg)}[data-theme] .dim-seg .tick{left:-4px;right:auto}[data-theme] .dim-val{font-family:var(--font-mono);letter-spacing:.04em;color:var(--ink);white-space:nowrap;font-size:10px;animation:.4s .9s both sheet-in;position:absolute;top:4px;left:50%;transform:translate(-50%)}[data-theme] .dim-val:empty{display:none}[data-theme] .dim-mark{z-index:2;position:absolute;top:5px;transform:translate(-50%)}[data-theme] .dim-mark.l{left:0}[data-theme] .dim-mark.r{right:0;transform:translate(50%)}[data-theme] .axis{border-right:1px solid var(--faint);grid-area:axis;position:relative}[data-theme] .axis:before{content:"";border-left:1px dashed var(--faint);z-index:0;position:absolute;top:0;bottom:0;left:16px}[data-theme] .axis .mark{position:absolute;left:5px}[data-theme] .axis .m1{top:6px}[data-theme] .axis .m3{bottom:6px}[data-theme] .frame-body{flex-direction:column;grid-area:body;min-width:0;min-height:0;display:flex}[data-theme] .frame-body>main{flex:1}[data-theme] [data-axis]{position:relative}[data-theme] [data-axis]:before{content:attr(data-axis);left:calc(-1 * var(--axis-w) + 5px);top:var(--space-6);z-index:3;border:1px solid var(--rule);border-radius:var(--radius-full);background:var(--paper);width:22px;height:22px;font-family:var(--font-mono);letter-spacing:.02em;color:var(--ink);pointer-events:none;justify-content:center;align-items:center;font-size:9px;line-height:1;display:inline-flex;position:absolute}[data-theme] .title-block{border-top:1.5px solid var(--rule);grid-area:title;grid-template-columns:1fr 150px 110px 110px 190px;display:grid}[data-theme] .title-block>div{border-right:1px solid var(--rule);flex-direction:column;justify-content:space-between;min-width:0;min-height:62px;padding:6px 12px;display:flex}[data-theme] .title-block>div:last-child{border-right:0}[data-theme] .title-block small{font-family:var(--font-mono);letter-spacing:.06em;color:var(--ink-dim);font-size:9px}[data-theme] .title-block span{font-family:var(--font-mono);white-space:nowrap;text-overflow:ellipsis;font-size:13px;overflow:hidden}[data-theme] .title-block .name span{font-family:var(--font-display);font-size:15px;font-weight:600}@media (max-width:960px){[data-theme]{--sheet-pad:8px}[data-theme] .frame{grid-template-columns:minmax(0,1fr);grid-template-areas:"dim""body""title"}[data-theme] .corner,[data-theme] .axis,[data-theme] [data-axis]:before{display:none}[data-theme] .dim-mark.l,[data-theme] .dim-mark.r{transform:none}[data-theme] .title-block{grid-template-columns:1fr 1fr}[data-theme] .title-block>div{border-bottom:1px solid var(--faint);min-height:52px}[data-theme] .title-block>div:nth-child(2n){border-right:0}}[data-theme] .fx-beam{position:relative}[data-theme] .fx-beam:before{content:"";pointer-events:none;z-index:1;background:linear-gradient(var(--shu), var(--shu)) top left / 0 1px no-repeat, linear-gradient(var(--shu), var(--shu)) top right / 1px 0 no-repeat, linear-gradient(var(--shu), var(--shu)) bottom right / 0 1px no-repeat, linear-gradient(var(--shu), var(--shu)) bottom left / 1px 0 no-repeat;transition:background-size .35s;position:absolute;inset:-1px}[data-theme] .fx-beam:hover:before,[data-theme] .fx-beam:focus-within:before,[data-theme] .fx-beam-always:before{background-size:100% 1px,1px 100%,100% 1px,1px 100%}[data-theme] .fx-beam-always:before{transition:none}[data-theme] .fx-caret:after{content:"";vertical-align:-.1em;background:var(--shu);width:2px;height:.9em;margin-left:.2em;animation:1s steps(2,jump-none) infinite fx-caret-blink;display:inline-block}@keyframes fx-caret-blink{50%{opacity:0}}[data-theme] .fx-type{clip-path:inset(0 100% 0 0);animation:fx-type 1.1s steps(var(--fx-type-steps,22)) .15s forwards;display:inline-flex}@keyframes fx-type{to{clip-path:inset(0 -.2em 0 0)}}[data-theme] .fx-gradient-text{color:var(--shu);text-shadow:none;filter:none;background:0 0}[data-theme] .fx-marquee{border-block:1px solid var(--rule);display:flex;overflow:hidden}[data-theme] .fx-marquee-track{justify-content:space-around;gap:var(--space-8);min-width:100%;padding-block:8px;padding-inline:var(--space-4);font-family:var(--font-mono);letter-spacing:.16em;white-space:nowrap;color:var(--ink-dim);flex-shrink:0;font-size:11px;font-weight:500;animation:32s linear infinite fx-marquee;display:flex}[data-theme] .fx-marquee:hover .fx-marquee-track{animation-play-state:paused}[data-theme] .fx-marquee-track .tick{color:var(--shu)}@keyframes fx-marquee{to{transform:translate(-100%)}}[data-theme] .fx-stencil{z-index:0;right:var(--space-4);font-family:var(--font-mono);letter-spacing:-.04em;color:#0000;-webkit-text-stroke:1px var(--faint);pointer-events:none;-webkit-user-select:none;user-select:none;font-size:clamp(120px,22vw,320px);font-weight:500;line-height:1;position:absolute;bottom:0}@media (max-width:640px){[data-theme] .fx-stencil{font-size:clamp(80px,30vw,140px)}}.reveal-enabled [data-theme] .scroll-fade{opacity:0;transition:opacity .7s 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var(--space-4);flex-wrap:wrap;margin-inline:auto;display:flex}.site-logo{font-family:var(--font-mono);letter-spacing:.02em;color:var(--ink);align-items:center;gap:8px;font-size:14px;font-weight:600;text-decoration:none;display:inline-flex}.site-logo .mark{font-size:10px}.site-logo:hover .mark{background:var(--ink);color:var(--paper)}.site-nav{justify-content:flex-end;align-items:center;gap:var(--space-2) var(--space-5);flex-wrap:wrap;min-width:0;display:flex}.site-nav-link{font-family:var(--font-mono);color:var(--ink-dim);white-space:nowrap;background:linear-gradient(var(--shu), var(--shu)) no-repeat 0 100% / 0 1px;font-size:12.5px;font-weight:500;text-decoration:none;transition:color .12s,background-size .2s}.site-nav .btn{white-space:nowrap}.site-nav-link:hover{color:var(--shu);background-size:100% 1px}.site-nav form{display:inline-flex}.site-nav-toggle{display:none}.site-nav-panel{display:contents}.site-footer{border-top:1px dashed var(--dim);background:var(--paper);padding-block:var(--space-5);margin-top:var(--space-12);position:relative}.site-footer-inner{max-width:var(--container-wide);padding-inline:var(--space-6);justify-content:space-between;align-items:center;gap:var(--space-4);flex-wrap:wrap;margin-inline:auto;display:flex}.site-footer-links{gap:var(--space-4) var(--space-5);flex-wrap:wrap;display:flex}.site-footer-links a{font-family:var(--font-mono);color:var(--ink-dim);font-size:12px;text-decoration:none;transition:color .12s}.site-footer-links a:hover{color:var(--shu)}@media (max-width:640px){.site-nav{gap:var(--space-2) var(--space-3)}.site-footer-inner{flex-direction:column;align-items:flex-start}.site-nav-toggle{cursor:pointer;font-family:var(--font-mono);color:var(--ink-dim);background:0 0;border:0;align-items:center;gap:6px;padding:2px 0;font-size:12.5px;font-weight:500;transition:color 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