Initial Version

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Andy Dixon
2026-06-08 08:54:29 +01:00
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# 和紙 · Washi
> © 2026 Andy Dixon · [www.dixon.cx](https://www.dixon.cx) · All rights reserved.
A warm **paper & sumi-ink** CSS framework. No build step, no dependencies — one
stylesheet of plain, semantic class names you drop straight onto markup.
```
v3/
├── washi.css ← the framework (tokens + reset + components + utilities)
├── index.html ← live showcase of every component
└── README.md ← this file
```
## Quick start
```html
<link rel="preconnect" href="https://fonts.googleapis.com">
<link rel="stylesheet" href="washi.css">
```
Fonts (Noto Serif JP + DM Mono) are `@import`ed by `washi.css`, so no extra `<link>`
is required. Optional dark theme: add `data-theme="sumi"` to `<html>`.
---
## Design language
| Aspect | Choice |
|-------------|------------------------------------------------------------------|
| Background | Warm washi paper `#f3ede1` + greyscale noise + corner colour-washes |
| Text/ink | Sumi `#1a1714`, monospace body (**DM Mono**) |
| Display | **Noto Serif JP** — headings, brand mark, big numbers, kanji |
| Accents | Vermilion `#c0392b`, jade `#2e7d5e`, murasaki `#7c5cbf`, gold `#b07d2e` |
| UI labels | UPPERCASE, wide letter-spacing, small (eyebrows / button text) |
| Borders | 1.5px hairlines; 2px ink rules under headers/footers |
| Radius | Tight — 2px controls, 4px inputs, 8px cards |
| Motion | Press-down buttons, fade/pop overlays, shimmer loading |
| Signature | The **hanko seal** (`.seal`) and `完`-style kanji flourishes |
All values are CSS custom properties under `:root` — see the **DESIGN TOKENS**
section of `washi.css`. Re-theme by overriding the semantic aliases
(`--bg`, `--surface`, `--text`, `--heading`, `--border`, `--accent`, …).
---
## Component cheat-sheet
**Layout** — `.container` / `.container-sm`, `.section`, `.grid` (auto) /
`.grid-2/3/4`, `.stack` / `.stack-sm` / `.stack-lg`, `.cluster`, `.spread`, `.center`.
**Header/nav** — `.site-header` > `.brand` (`.mark` JP + `.mark-en`) and
`.nav` > `a` (use `aria-current="page"` for the active link).
**Typography** — `h1`–`h6` (serif), `.display`, `.title-jp`, `.eyebrow` / `.label`,
`.lead`, `.kanji`. Text colour: `.muted`, `.t-accent`, `.t-jade`, `.t-violet`, `.t-gold`.
**Buttons** — `.btn` + one of `.btn-primary` `.btn-accent` `.btn-success`
`.btn-info` `.btn-danger` `.btn-ghost`; sizes `.btn-sm` / `.btn-lg` / `.btn-block`;
`.is-loading` for the shimmer. Groups: `.segmented` (square, joined) and
`.pills` (rounded ends). Mark the selected child `.active` or `aria-pressed="true"`.
**Cards** — `.card` > `.card-header` / `.card-body` / `.card-footer`; `.card-title`;
add `.card-hover` for lift; top-stripe variants `.card-accent/-jade/-violet/-gold`.
**Feedback** — `.badge` (+ `-accent/-jade/-violet/-gold/-solid`), `.tag`,
`.alert` (+ `-accent/-jade/-violet/-gold`) with `.alert-title`,
`.status` (+ `.error/.success/.info`).
**Forms** — `.field` > `label` + input; styled `input/textarea/select`,
`.check` for checkbox/radio rows, `.input-group`, validation `.is-valid/.is-invalid`,
`.hint`.
**Data** — `.table` (+ `.table-hover`, `.table-zebra`), `pre`/`code` blocks, `.stat` > `.stat-num` + `.stat-label`.
**Flourish** — `.seal` / `.seal-round` / `.seal-ink` (hanko stamp),
`.rule` (centred-glyph divider), `.hero`.
**Overlay** — `.overlay` + toggle `.show`; `.modal` inside; `.win-kanji` for the popped kanji.
**Utilities** — `.surface`, `.bordered`, `.shadow` / `.shadow-lg`, `.text-center/-right`,
`.uppercase`, `.full`, `.hidden`, spacing `.mt-* / .mb-*`.
---
## Redesigning a site with Washi
When asked to *"redesign &lt;site&gt; using Washi"*, the recipe is:
1. Link `washi.css`; remove the old stylesheet.
2. Wrap the page in `.site-header` + `.container` + `.site-footer`.
3. Map existing UI to the cheat-sheet above — prefer composing the provided classes
over writing new CSS. Reach for tokens (`var(--…)`) before hard-coded values.
4. Use Noto Serif JP (`h*` / `.display` / `.title-jp`) for headings and one or two
kanji/seal flourishes; keep everything else in mono.
5. Keep the palette disciplined: ink + paper as the base, **one** accent per section.
`reduced-motion` and keyboard `:focus-visible` are handled by the framework.
---
© 2026 Andy Dixon · [www.dixon.cx](https://www.dixon.cx) · All rights reserved.
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<!DOCTYPE html>
<!-- © 2026 Andy Dixon · www.dixon.cx · All rights reserved. -->
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0, viewport-fit=cover">
<title>和紙 · Washi — CSS Framework</title>
<meta name="theme-color" content="#f3ede1">
<link rel="preconnect" href="https://fonts.googleapis.com">
<link rel="stylesheet" href="washi.css">
<style>
/* page-local only: demo scaffolding, not part of the framework */
.demo-section { scroll-margin-top: 80px; }
.demo-section + .demo-section { margin-top: var(--sp-7); }
.swatch { height: 64px; border-radius: var(--r); border: 1px solid var(--border); display: flex; align-items: flex-end; padding: 6px 8px; font-size: var(--fs-xs); }
.swatch span { background: color-mix(in srgb, var(--paper) 80%, transparent); padding: 1px 5px; border-radius: 2px; }
</style>
</head>
<body>
<header class="site-header">
<div class="brand">
<span class="mark">和紙</span>
<span class="mark-en">Washi</span>
</div>
<nav class="nav">
<a href="#colour">Colour</a>
<a href="#type">Type</a>
<a href="#buttons">Buttons</a>
<a href="#components">Components</a>
<a href="#forms">Forms</a>
</nav>
</header>
<!-- HERO -->
<section class="hero">
<div class="container-sm">
<span class="eyebrow">CSS Framework · 和紙</span>
<h1 class="display">Paper &amp; sumi&nbsp;ink,<br>as a design&nbsp;system.</h1>
<p>A warm, tactile component kit — washi-paper tones, vermilion seal red, jade and murasaki accents, monospace body type and Noto Serif&nbsp;JP display.</p>
<div class="cluster">
<a href="#components" class="btn btn-primary">Explore components</a>
<a href="#colour" class="btn">View tokens</a>
<button class="btn btn-info" onclick="toggleTheme()" id="themeBtn">☾ Sumi mode</button>
</div>
</div>
</section>
<main class="container stack-lg" style="padding-bottom: var(--sp-8);">
<!-- COLOUR -->
<section class="demo-section" id="colour">
<div class="rule">色 · Colour</div>
<div class="grid mt-6">
<div class="swatch" style="background:var(--paper)"><span>--paper</span></div>
<div class="swatch" style="background:var(--card)"><span>--card</span></div>
<div class="swatch" style="background:var(--paper-2)"><span>--paper-2</span></div>
<div class="swatch" style="background:var(--paper-3)"><span>--paper-3</span></div>
<div class="swatch" style="background:var(--ink);color:var(--paper)"><span style="background:rgba(243,237,225,.2)">--ink</span></div>
<div class="swatch" style="background:var(--accent);color:#fff"><span style="background:rgba(0,0,0,.2)">--accent</span></div>
<div class="swatch" style="background:var(--jade);color:#fff"><span style="background:rgba(0,0,0,.2)">--jade</span></div>
<div class="swatch" style="background:var(--murasaki);color:#fff"><span style="background:rgba(0,0,0,.2)">--murasaki</span></div>
<div class="swatch" style="background:var(--gold);color:#fff"><span style="background:rgba(0,0,0,.2)">--gold</span></div>
<div class="swatch" style="background:var(--muted);color:#fff"><span style="background:rgba(0,0,0,.2)">--muted</span></div>
</div>
</section>
<!-- TYPE -->
<section class="demo-section" id="type">
<div class="rule">字 · Typography</div>
<div class="grid-2 mt-6">
<div class="stack">
<span class="eyebrow">Eyebrow label</span>
<h1>Display heading 見出し</h1>
<h2>Section heading</h2>
<h3>Subsection heading</h3>
<p class="lead">A lead paragraph sets the tone — slightly larger, softer ink, tighter leading.</p>
<p>Body copy is set in DM&nbsp;Mono for a precise, drafting-table feel. Inline <code>code</code>, a <a href="#">hyperlink</a>, <strong>strong</strong> emphasis, and <kbd>⌘K</kbd> keys all live here.</p>
</div>
<div class="stack">
<blockquote>The space between things is where the design lives.
<cite>— a maxim</cite></blockquote>
<ul>
<li>Marker bullets carry the accent colour</li>
<li>Generous line-height for readability</li>
<li>Consistent vertical rhythm</li>
</ul>
<pre><code>:root {
--ink: #1a1714;
--paper: #f3ede1;
--accent: #c0392b;
}</code></pre>
</div>
</div>
</section>
<!-- BUTTONS -->
<section class="demo-section" id="buttons">
<div class="rule">釦 · Buttons</div>
<div class="stack mt-6">
<div class="cluster">
<button class="btn">Default</button>
<button class="btn btn-primary">Primary</button>
<button class="btn btn-accent">Accent</button>
<button class="btn btn-success">Success</button>
<button class="btn btn-info">Info</button>
<button class="btn btn-danger">Danger</button>
<button class="btn btn-ghost">Ghost</button>
<button class="btn" disabled>Disabled</button>
</div>
<div class="cluster">
<button class="btn btn-sm btn-primary">Small</button>
<button class="btn btn-primary">Regular</button>
<button class="btn btn-lg btn-primary">Large</button>
<button class="btn btn-info is-loading">✦ Solving…</button>
</div>
<div class="cluster">
<div class="segmented">
<button class="btn">6×6</button>
<button class="btn active">8×8</button>
<button class="btn">10×10</button>
</div>
<div class="pills">
<button class="btn">Easy</button>
<button class="btn active">Medium</button>
<button class="btn">Hard</button>
</div>
</div>
</div>
</section>
<!-- COMPONENTS -->
<section class="demo-section" id="components">
<div class="rule">部品 · Components</div>
<h4 class="mt-6 mb-4 eyebrow">Cards</h4>
<div class="grid-3">
<article class="card card-accent card-hover">
<div class="card-body stack-sm">
<span class="badge badge-accent">New</span>
<h3 class="card-title">Vermilion</h3>
<p class="muted">Cards lift on hover and carry an optional coloured top-stripe.</p>
</div>
</article>
<article class="card card-jade card-hover">
<div class="card-header"><h3 class="card-title">Jade</h3><span class="seal seal-round">完</span></div>
<div class="card-body"><p class="muted">A header row pairs nicely with a hanko seal.</p></div>
<div class="card-footer cluster"><button class="btn btn-sm">Action</button></div>
</article>
<article class="card card-violet card-hover">
<div class="card-body stack-sm">
<h3 class="card-title">Murasaki</h3>
<p class="muted">Soft warm shadows, hairline borders, paper surface.</p>
<div class="cluster-sm"><span class="tag">tag</span><span class="tag">tag</span></div>
</div>
</article>
</div>
<h4 class="mt-6 mb-4 eyebrow">Badges, tags &amp; stats</h4>
<div class="cluster mb-6">
<span class="badge">Default</span>
<span class="badge badge-accent">Accent</span>
<span class="badge badge-jade">Jade</span>
<span class="badge badge-violet">Violet</span>
<span class="badge badge-gold">Gold</span>
<span class="badge badge-solid">Solid</span>
</div>
<div class="grid-4 surface" style="padding:var(--sp-5)">
<div class="stat"><span class="stat-num">和</span><span class="stat-label">Harmony</span></div>
<div class="stat"><span class="stat-num">42</span><span class="stat-label">Projects</span></div>
<div class="stat"><span class="stat-num">3:08</span><span class="stat-label">Avg time</span></div>
<div class="stat"><span class="stat-num">98%</span><span class="stat-label">Uptime</span></div>
</div>
<h4 class="mt-6 mb-4 eyebrow">Alerts &amp; status</h4>
<div class="stack">
<div class="alert alert-accent"><div><span class="alert-title">Vermilion alert</span>Something needs attention.</div></div>
<div class="alert alert-jade"><div><span class="alert-title">Success</span>The operation completed cleanly.</div></div>
<div class="alert alert-violet"><div><span class="alert-title">Note</span>An aside, set apart in murasaki.</div></div>
<div class="cluster">
<span class="status">Default status</span>
<span class="status error">Invalid input</span>
<span class="status success">Looking good!</span>
<span class="status info">Solving…</span>
</div>
</div>
<h4 class="mt-6 mb-4 eyebrow">Table</h4>
<div class="surface" style="overflow:hidden">
<table class="table table-hover table-zebra">
<thead><tr><th>Piece</th><th>Area</th><th>State</th></tr></thead>
<tbody>
<tr><td>Rectangle A</td><td>2 × 3</td><td><span class="badge badge-jade">Valid</span></td></tr>
<tr><td>Rectangle B</td><td>1 × 4</td><td><span class="badge badge-jade">Valid</span></td></tr>
<tr><td>Rectangle C</td><td>3 × 3</td><td><span class="badge badge-accent">Overlap</span></td></tr>
</tbody>
</table>
</div>
<h4 class="mt-6 mb-4 eyebrow">Overlay / modal</h4>
<button class="btn btn-primary" onclick="document.getElementById('demo-overlay').classList.add('show')">Open modal</button>
</section>
<!-- FORMS -->
<section class="demo-section" id="forms">
<div class="rule">入力 · Forms</div>
<div class="grid-2 mt-6">
<div class="stack">
<div class="field">
<label for="n">Name</label>
<input id="n" type="text" placeholder="Andy Dixon">
</div>
<div class="field">
<label for="e">Email</label>
<input id="e" type="email" class="is-valid" value="andy@dixon.cx">
<span class="hint">Looks valid.</span>
</div>
<div class="field">
<label for="s">Difficulty</label>
<select id="s"><option>Easy</option><option selected>Medium</option><option>Hard</option></select>
</div>
</div>
<div class="stack">
<div class="field">
<label for="m">Message</label>
<textarea id="m" placeholder="Drag across cells to draw a rectangle…"></textarea>
</div>
<label class="check"><input type="checkbox" checked> Show clue numbers</label>
<label class="check"><input type="radio" name="r" checked> Light · washi</label>
<label class="check"><input type="radio" name="r"> Dark · sumi</label>
<div class="input-group">
<input type="search" placeholder="Search…">
<button class="btn btn-primary">Go</button>
</div>
</div>
</div>
</section>
</main>
<footer class="site-footer">
<span class="title-jp">和紙 · Washi</span>
<span>A paper &amp; sumi-ink CSS framework</span>
<span>© 2026 Andy Dixon · <a href="https://www.dixon.cx">www.dixon.cx</a></span>
</footer>
<!-- demo modal -->
<div class="overlay" id="demo-overlay">
<div class="modal stack">
<div class="win-kanji">完</div>
<h3 class="card-title">Complete</h3>
<p class="muted">Backdrop blur, fade-in, and a popped-in kanji.</p>
<div class="cluster center">
<button class="btn btn-primary" onclick="document.getElementById('demo-overlay').classList.remove('show')">Next →</button>
<button class="btn" onclick="document.getElementById('demo-overlay').classList.remove('show')">Close</button>
</div>
</div>
</div>
<script>
function toggleTheme() {
const root = document.documentElement;
const dark = root.getAttribute('data-theme') === 'sumi';
root.setAttribute('data-theme', dark ? '' : 'sumi');
document.getElementById('themeBtn').textContent = dark ? '☾ Sumi mode' : '☀ Washi mode';
}
</script>
</body>
</html>
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/* ════════════════════════════════════════════════════════════════════════════
WASHI · 和紙
A warm "paper & sumi-ink" CSS framework — Japanese paper tones, vermilion seal
red, jade, and murasaki purple, monospace body + Noto Serif JP display.
Load order:
<link rel="preconnect" href="https://fonts.googleapis.com">
<link rel="stylesheet" href="washi.css">
Usage: plain, semantic class names. Drop them onto markup directly.
Optional dark theme: <html data-theme="sumi"> … </html>
© 2026 Andy Dixon · www.dixon.cx · All rights reserved.
════════════════════════════════════════════════════════════════════════════ */
@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+JP:wght@400;600;700&family=DM+Mono:wght@400;500&display=swap');
/* ════════════════════════════════════════════════════════════════════════════
1 · DESIGN TOKENS
════════════════════════════════════════════════════════════════════════════ */
:root {
/* ── Core palette ─────────────────────────────────────────────────────── */
--ink: #1a1714; /* sumi — primary text & strong borders */
--ink-2: #4a4039; /* softer ink — secondary text */
--paper: #f3ede1; /* washi — page background */
--paper-2: #ece4d4; /* dividers, hover, subtle wells */
--paper-3: #e3d9c4; /* deeper wells, code surfaces */
--card: #faf7f0; /* raised surface (the canvas tone) */
--accent: #c0392b; /* shu — vermilion seal red */
--accent-2: #a3281d; /* darker vermilion for hover/active */
--jade: #2e7d5e; /* success / valid */
--jade-2: #246449;
--murasaki: #7c5cbf; /* info / special */
--murasaki-2: #6a49ad;
--gold: #b07d2e; /* warning — sits inside the warm palette */
--gold-2: #946727;
--muted: #8c8078; /* eyebrows, captions, meta */
--line: #cabfae; /* hairline borders */
/* ── Soft tint fills (badges, alerts, hovers) ─────────────────────────── */
--accent-soft: rgba(192, 57, 43, 0.10);
--jade-soft: rgba(46, 125, 94, 0.13);
--murasaki-soft: rgba(124, 92, 191, 0.12);
--gold-soft: rgba(176, 125, 46, 0.14);
--ink-soft: rgba(26, 23, 20, 0.06);
/* ── Semantic aliases (themeable) ─────────────────────────────────────── */
--bg: var(--paper);
--surface: var(--card);
--surface-2: var(--paper-2);
--text: var(--ink);
--text-dim: var(--muted);
--heading: var(--ink);
--border: var(--line);
--border-strong: var(--ink);
--link: var(--accent);
--link-hover: var(--accent-2);
/* ── Typography ───────────────────────────────────────────────────────── */
--font-display: 'Noto Serif JP', Georgia, 'Times New Roman', serif;
--font-mono: 'DM Mono', ui-monospace, 'SF Mono', SFMono-Regular, Menlo, monospace;
--font-body: var(--font-mono);
--fs-xs: 0.6875rem; /* 11px — labels, badges */
--fs-sm: 0.8125rem; /* 13px — meta, captions */
--fs-base: 0.9375rem; /* 15px — body */
--fs-md: 1.0625rem; /* 17px — lead */
--fs-lg: 1.375rem; /* 22px */
--fs-xl: 1.875rem; /* 30px */
--fs-2xl: 2.625rem; /* 42px */
--fs-3xl: 3.75rem; /* 60px — hero display */
--lh-tight: 1.2;
--lh-snug: 1.45;
--lh-base: 1.7;
--tracking-wide: 0.12em; /* uppercase UI labels */
--tracking-wider: 0.2em; /* eyebrows */
--tracking-jp: 0.05em; /* display serif */
/* ── Spacing scale ────────────────────────────────────────────────────── */
--sp-1: 0.25rem;
--sp-2: 0.5rem;
--sp-3: 0.75rem;
--sp-4: 1rem;
--sp-5: 1.5rem;
--sp-6: 2rem;
--sp-7: 3rem;
--sp-8: 4.5rem;
/* ── Radius ───────────────────────────────────────────────────────────── */
--r-sm: 2px;
--r: 4px;
--r-lg: 8px;
--r-pill: 999px;
/* ── Borders ──────────────────────────────────────────────────────────── */
--bw: 1.5px; /* standard control border weight */
--bw-strong: 2px; /* section rules */
/* ── Shadows (warm sumi, not neutral grey) ────────────────────────────── */
--shadow-sm: 0 1px 2px rgba(26, 23, 20, 0.06);
--shadow: 0 2px 8px rgba(26, 23, 20, 0.08), 0 1px 2px rgba(26, 23, 20, 0.06);
--shadow-lg: 0 12px 32px rgba(26, 23, 20, 0.14), 0 4px 10px rgba(26, 23, 20, 0.08);
/* ── Motion ───────────────────────────────────────────────────────────── */
--t-fast: 0.08s ease;
--t: 0.12s ease;
--t-slow: 0.35s ease;
/* ── Layout ───────────────────────────────────────────────────────────── */
--container: 1080px;
--container-sm: 720px;
--pad: clamp(1rem, 4vw, 2.5rem);
/* ── Textures ─────────────────────────────────────────────────────────── */
--noise: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
}
/* ── Dark "sumi" theme — ink ground, paper text ──────────────────────────── */
[data-theme="sumi"] {
--paper: #1a1714;
--paper-2: #241f1a;
--paper-3: #2d2720;
--card: #211c17;
--ink: #f3ede1;
--ink-2: #cabfae;
--muted: #9a8f84;
--line: #3a332b;
--accent: #e0594b;
--accent-2: #ef6f61;
--jade: #5cb78f;
--jade-2: #74c9a3;
--murasaki: #a487e0;
--murasaki-2:#b89af0;
--gold: #d6a24e;
--border-strong: #5a4f43;
--link: var(--accent);
--link-hover: var(--accent-2);
--accent-soft: rgba(224, 89, 75, 0.14);
--jade-soft: rgba(92, 183, 143, 0.14);
--murasaki-soft: rgba(164, 135, 224, 0.16);
--gold-soft: rgba(214, 162, 78, 0.16);
--ink-soft: rgba(243, 237, 225, 0.06);
--shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
--shadow: 0 2px 10px rgba(0, 0, 0, 0.45);
--shadow-lg: 0 14px 36px rgba(0, 0, 0, 0.6);
}
/* ════════════════════════════════════════════════════════════════════════════
2 · RESET & BASE
════════════════════════════════════════════════════════════════════════════ */
*, *::before, *::after {
box-sizing: border-box;
margin: 0;
padding: 0;
-webkit-tap-highlight-color: transparent;
}
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
background-color: var(--bg);
background-image:
radial-gradient(circle at 20% 15%, rgba(192, 57, 43, 0.04), transparent 40%),
radial-gradient(circle at 85% 80%, rgba(124, 92, 191, 0.04), transparent 42%),
var(--noise);
color: var(--text);
font-family: var(--font-body);
font-size: var(--fs-base);
line-height: var(--lh-base);
min-height: 100dvh;
-webkit-font-smoothing: antialiased;
text-rendering: optimizeLegibility;
overflow-x: hidden;
}
img, svg, video, canvas { display: block; max-width: 100%; height: auto; }
::selection { background: var(--accent); color: var(--paper); }
:where(a, button, input, textarea, select):focus-visible {
outline: 2px solid var(--accent);
outline-offset: 2px;
border-radius: var(--r-sm);
}
/* ════════════════════════════════════════════════════════════════════════════
3 · TYPOGRAPHY
════════════════════════════════════════════════════════════════════════════ */
h1, h2, h3, h4, h5, h6 {
font-family: var(--font-display);
font-weight: 700;
color: var(--heading);
line-height: var(--lh-tight);
letter-spacing: var(--tracking-jp);
}
h1 { font-size: var(--fs-2xl); }
h2 { font-size: var(--fs-xl); }
h3 { font-size: var(--fs-lg); }
h4 { font-size: var(--fs-md); font-weight: 600; }
h5 { font-size: var(--fs-base); font-weight: 600; }
h6 { font-size: var(--fs-sm); font-weight: 600; }
p { margin: 0; }
p + p { margin-top: var(--sp-4); }
a {
color: var(--link);
text-decoration: none;
border-bottom: 1px solid transparent;
transition: color var(--t), border-color var(--t);
}
a:hover { color: var(--link-hover); border-bottom-color: currentColor; }
strong, b { font-weight: 500; color: var(--ink); }
small { font-size: var(--fs-sm); }
ul, ol { padding-left: 1.3em; }
li + li { margin-top: var(--sp-2); }
li::marker { color: var(--accent); }
hr {
border: 0;
border-top: 1px solid var(--border);
margin: var(--sp-6) 0;
}
blockquote {
border-left: 3px solid var(--accent);
padding: var(--sp-2) 0 var(--sp-2) var(--sp-5);
margin: var(--sp-5) 0;
color: var(--ink-2);
font-style: italic;
}
blockquote cite { display: block; margin-top: var(--sp-3); font-style: normal;
font-size: var(--fs-xs); letter-spacing: var(--tracking-wide);
text-transform: uppercase; color: var(--muted); }
code, kbd, samp { font-family: var(--font-mono); font-size: 0.9em; }
:not(pre) > code {
background: var(--paper-3);
padding: 0.12em 0.4em;
border-radius: var(--r-sm);
color: var(--accent-2);
}
kbd {
background: var(--card);
border: 1px solid var(--border);
border-bottom-width: 2px;
border-radius: var(--r);
padding: 0.1em 0.45em;
font-size: var(--fs-xs);
color: var(--ink);
}
/* ── Display & label utilities ───────────────────────────────────────────── */
.display {
font-family: var(--font-display);
font-size: clamp(var(--fs-2xl), 7vw, var(--fs-3xl));
font-weight: 700;
line-height: 1.05;
letter-spacing: var(--tracking-jp);
}
.title-jp { font-family: var(--font-display); font-weight: 700; letter-spacing: var(--tracking-jp); }
.eyebrow, .label {
display: inline-block;
font-family: var(--font-mono);
font-size: var(--fs-xs);
letter-spacing: var(--tracking-wider);
text-transform: uppercase;
color: var(--muted);
}
.lead { font-size: var(--fs-md); color: var(--ink-2); line-height: var(--lh-snug); }
.kanji { font-family: var(--font-display); line-height: 1; }
/* Colour text helpers */
.muted { color: var(--muted); }
.t-ink { color: var(--ink); }
.t-accent{ color: var(--accent); }
.t-jade { color: var(--jade); }
.t-violet{ color: var(--murasaki); }
.t-gold { color: var(--gold); }
/* ════════════════════════════════════════════════════════════════════════════
4 · LAYOUT
════════════════════════════════════════════════════════════════════════════ */
.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: var(--pad); }
.container-sm { width: 100%; max-width: var(--container-sm); margin-inline: auto; padding-inline: var(--pad); }
.section { padding-block: clamp(var(--sp-6), 8vw, var(--sp-8)); }
.stack { display: flex; flex-direction: column; gap: var(--sp-4); }
.stack-sm { display: flex; flex-direction: column; gap: var(--sp-2); }
.stack-lg { display: flex; flex-direction: column; gap: var(--sp-6); }
.cluster { display: flex; flex-wrap: wrap; align-items: center; gap: var(--sp-3); }
.cluster-sm { display: flex; flex-wrap: wrap; align-items: center; gap: var(--sp-2); }
.spread { display: flex; align-items: center; justify-content: space-between; gap: var(--sp-4); }
.center { display: flex; align-items: center; justify-content: center; }
.grid { display: grid; gap: var(--sp-5); grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.grid-2 { display: grid; gap: var(--sp-5); grid-template-columns: repeat(2, 1fr); }
.grid-3 { display: grid; gap: var(--sp-5); grid-template-columns: repeat(3, 1fr); }
.grid-4 { display: grid; gap: var(--sp-5); grid-template-columns: repeat(4, 1fr); }
@media (max-width: 760px) {
.grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}
/* ════════════════════════════════════════════════════════════════════════════
5 · SITE HEADER / NAV
════════════════════════════════════════════════════════════════════════════ */
.site-header {
position: sticky; top: 0; z-index: 50;
display: flex; align-items: baseline; gap: var(--sp-3);
padding: var(--sp-4) var(--pad) var(--sp-3);
border-bottom: var(--bw-strong) solid var(--ink);
background: color-mix(in srgb, var(--paper) 88%, transparent);
backdrop-filter: blur(6px);
}
.brand { display: flex; align-items: baseline; gap: var(--sp-3); }
.brand .mark { font-family: var(--font-display); font-size: var(--fs-lg); font-weight: 700; letter-spacing: var(--tracking-jp); color: var(--ink); }
.brand .mark-en { font-size: var(--fs-xs); letter-spacing: var(--tracking-wider); text-transform: uppercase; color: var(--muted); }
.nav { display: flex; align-items: center; gap: var(--sp-5); margin-left: auto; }
.nav a {
font-size: var(--fs-xs); letter-spacing: var(--tracking-wide); text-transform: uppercase;
color: var(--muted); border-bottom: none; padding-bottom: 2px;
border-bottom: 2px solid transparent;
}
.nav a:hover, .nav a[aria-current="page"] { color: var(--ink); border-bottom-color: var(--accent); }
/* ════════════════════════════════════════════════════════════════════════════
6 · BUTTONS
════════════════════════════════════════════════════════════════════════════ */
.btn {
display: inline-flex; align-items: center; justify-content: center; gap: var(--sp-2);
font-family: var(--font-mono); font-size: var(--fs-xs); font-weight: 500;
letter-spacing: var(--tracking-wide); text-transform: uppercase;
padding: 0.65em 1.15em;
border: var(--bw) solid var(--ink); border-radius: var(--r-sm);
background: transparent; color: var(--ink); cursor: pointer; white-space: nowrap;
transition: background var(--t), color var(--t), border-color var(--t), transform var(--t-fast);
-webkit-user-select: none; user-select: none; text-decoration: none;
}
.btn:hover { background: var(--ink); color: var(--paper); }
.btn:active { transform: translateY(1px); }
.btn:disabled, .btn[aria-disabled="true"] { opacity: 0.4; pointer-events: none; }
.btn-primary { background: var(--ink); color: var(--paper); }
.btn-primary:hover { background: var(--accent); border-color: var(--accent); }
.btn-accent { border-color: var(--accent); color: var(--accent); }
.btn-accent:hover { background: var(--accent); color: var(--paper); }
.btn-danger { border-color: var(--accent); color: var(--accent); }
.btn-danger:hover { background: var(--accent); color: var(--paper); }
.btn-success { border-color: var(--jade); color: var(--jade); }
.btn-success:hover { background: var(--jade); color: var(--paper); }
.btn-info { border-color: var(--murasaki); color: var(--murasaki); }
.btn-info:hover { background: var(--murasaki); color: var(--paper); }
.btn-ghost { border-color: transparent; color: var(--ink-2); }
.btn-ghost:hover { background: var(--ink-soft); color: var(--ink); }
.btn-sm { font-size: 0.625rem; padding: 0.5em 0.85em; }
.btn-lg { font-size: var(--fs-sm); padding: 0.8em 1.5em; }
.btn-block { display: flex; width: 100%; }
/* Loading shimmer — add .is-loading */
.btn.is-loading { position: relative; overflow: hidden; pointer-events: none; }
.btn.is-loading::after {
content: ''; position: absolute; left: -120%; top: 0; bottom: 0; width: 70%;
background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.35), transparent);
animation: washi-shimmer 0.9s infinite;
}
@keyframes washi-shimmer { to { left: 220%; } }
/* ── Segmented control (square, joined) ──────────────────────────────────── */
.segmented { display: inline-flex; }
.segmented .btn, .segmented button {
border-radius: 0; margin-left: calc(var(--bw) * -1);
}
.segmented :first-child { border-radius: var(--r-sm) 0 0 var(--r-sm); margin-left: 0; }
.segmented :last-child { border-radius: 0 var(--r-sm) var(--r-sm) 0; }
.segmented .active, .segmented [aria-pressed="true"] { background: var(--ink); color: var(--paper); }
/* ── Pills (rounded ends, muted by default) ──────────────────────────────── */
.pills { display: inline-flex; }
.pills .btn, .pills button {
border-radius: 0; margin-left: calc(var(--bw) * -1);
border-color: var(--muted); color: var(--muted);
}
.pills :first-child { border-radius: var(--r-pill) 0 0 var(--r-pill); padding-left: 1.2em; margin-left: 0; }
.pills :last-child { border-radius: 0 var(--r-pill) var(--r-pill) 0; padding-right: 1.2em; }
.pills .active, .pills [aria-pressed="true"] { background: var(--ink); border-color: var(--ink); color: var(--paper); }
/* ════════════════════════════════════════════════════════════════════════════
7 · CARDS
════════════════════════════════════════════════════════════════════════════ */
.card {
background: var(--surface);
border: 1px solid var(--border);
border-radius: var(--r-lg);
box-shadow: var(--shadow-sm);
overflow: hidden;
transition: transform var(--t-slow), box-shadow var(--t-slow), border-color var(--t-slow);
}
.card-body { padding: var(--sp-5); }
.card-header {
padding: var(--sp-4) var(--sp-5);
border-bottom: 1px solid var(--border);
display: flex; align-items: center; justify-content: space-between; gap: var(--sp-3);
}
.card-footer {
padding: var(--sp-4) var(--sp-5);
border-top: 1px solid var(--border);
background: var(--paper-2);
}
.card-title { font-family: var(--font-display); font-size: var(--fs-lg); font-weight: 600; }
.card-hover:hover, a.card:hover {
transform: translateY(-3px);
box-shadow: var(--shadow-lg);
border-color: var(--line);
}
/* Accent top-stripe variants */
.card-accent { border-top: 3px solid var(--accent); }
.card-jade { border-top: 3px solid var(--jade); }
.card-violet { border-top: 3px solid var(--murasaki); }
.card-gold { border-top: 3px solid var(--gold); }
/* ════════════════════════════════════════════════════════════════════════════
8 · HERO
════════════════════════════════════════════════════════════════════════════ */
.hero {
position: relative; overflow: hidden;
padding-block: clamp(var(--sp-7), 12vw, calc(var(--sp-8) * 1.6));
text-align: center;
}
.hero::before {
content: ''; position: absolute; inset: 0; z-index: -1;
background:
radial-gradient(circle at 25% 20%, var(--accent-soft), transparent 45%),
radial-gradient(circle at 80% 75%, var(--murasaki-soft), transparent 48%);
}
.hero .eyebrow { margin-bottom: var(--sp-4); }
.hero .display { margin-bottom: var(--sp-4); }
.hero p { max-width: 52ch; margin-inline: auto; color: var(--ink-2); }
.hero .cluster { justify-content: center; margin-top: var(--sp-6); }
/* ════════════════════════════════════════════════════════════════════════════
9 · BADGES & TAGS
════════════════════════════════════════════════════════════════════════════ */
.badge {
display: inline-flex; align-items: center; gap: 0.4em;
font-family: var(--font-mono); font-size: var(--fs-xs); font-weight: 500;
letter-spacing: var(--tracking-wide); text-transform: uppercase;
padding: 0.25em 0.65em; border-radius: var(--r-sm);
border: 1px solid var(--border); color: var(--ink-2); background: var(--paper-2);
}
.badge-accent { color: var(--accent); background: var(--accent-soft); border-color: transparent; }
.badge-jade { color: var(--jade); background: var(--jade-soft); border-color: transparent; }
.badge-violet { color: var(--murasaki); background: var(--murasaki-soft); border-color: transparent; }
.badge-gold { color: var(--gold); background: var(--gold-soft); border-color: transparent; }
.badge-solid { color: var(--paper); background: var(--ink); border-color: var(--ink); }
.tag {
display: inline-flex; font-family: var(--font-mono); font-size: var(--fs-sm);
padding: 0.2em 0.7em; border: 1px solid var(--border); border-radius: var(--r-pill);
color: var(--ink-2);
}
/* ════════════════════════════════════════════════════════════════════════════
10 · ALERTS / CALLOUTS
════════════════════════════════════════════════════════════════════════════ */
.alert {
display: flex; gap: var(--sp-3);
padding: var(--sp-4) var(--sp-5);
border: 1px solid var(--border); border-left-width: 3px;
border-radius: var(--r);
background: var(--surface);
font-size: var(--fs-sm);
}
.alert-title { font-weight: 500; color: var(--ink); display: block; margin-bottom: 0.2em; }
.alert-accent { border-left-color: var(--accent); background: var(--accent-soft); }
.alert-jade { border-left-color: var(--jade); background: var(--jade-soft); }
.alert-violet { border-left-color: var(--murasaki); background: var(--murasaki-soft); }
.alert-gold { border-left-color: var(--gold); background: var(--gold-soft); }
/* ── Status line ─────────────────────────────────────────────────────────── */
.status {
font-size: var(--fs-xs); letter-spacing: var(--tracking-wide); text-transform: uppercase;
color: var(--muted); min-height: 1.2em; transition: color var(--t);
}
.status.error { color: var(--accent); }
.status.success { color: var(--jade); font-weight: 500; }
.status.info { color: var(--murasaki); font-weight: 500; }
/* ════════════════════════════════════════════════════════════════════════════
11 · FORMS
════════════════════════════════════════════════════════════════════════════ */
.field { display: flex; flex-direction: column; gap: var(--sp-2); }
.field > label, .form-label {
font-size: var(--fs-xs); letter-spacing: var(--tracking-wide); text-transform: uppercase;
color: var(--muted);
}
.field .hint { font-size: var(--fs-sm); color: var(--muted); }
input[type="text"], input[type="email"], input[type="password"], input[type="number"],
input[type="search"], input[type="url"], input[type="tel"], input[type="date"],
textarea, select, .input {
font-family: var(--font-mono); font-size: var(--fs-base); color: var(--ink);
background: var(--card);
border: var(--bw) solid var(--line); border-radius: var(--r);
padding: 0.6em 0.8em;
transition: border-color var(--t), box-shadow var(--t);
width: 100%;
}
textarea { min-height: 6em; resize: vertical; line-height: var(--lh-snug); }
input:focus, textarea:focus, select:focus, .input:focus {
outline: none; border-color: var(--ink);
box-shadow: 0 0 0 3px var(--ink-soft);
}
input::placeholder, textarea::placeholder { color: var(--muted); }
input:disabled, textarea:disabled, select:disabled { background: var(--paper-2); opacity: 0.6; cursor: not-allowed; }
input.is-valid, textarea.is-valid { border-color: var(--jade); }
input.is-invalid, textarea.is-invalid { border-color: var(--accent); }
select {
appearance: none;
background-image: linear-gradient(45deg, transparent 50%, var(--ink) 50%),
linear-gradient(135deg, var(--ink) 50%, transparent 50%);
background-position: calc(100% - 18px) center, calc(100% - 13px) center;
background-size: 5px 5px, 5px 5px;
background-repeat: no-repeat;
padding-right: 2.2em;
}
/* Native checkbox/radio accent */
input[type="checkbox"], input[type="radio"] { accent-color: var(--accent); width: 1.05em; height: 1.05em; }
.check { display: inline-flex; align-items: center; gap: var(--sp-2); cursor: pointer; font-size: var(--fs-base); }
.input-group { display: flex; }
.input-group > :not(:first-child) { margin-left: calc(var(--bw) * -1); border-radius: 0; }
.input-group > :first-child { border-radius: var(--r) 0 0 var(--r); }
.input-group > :last-child { border-radius: 0 var(--r) var(--r) 0; }
/* ════════════════════════════════════════════════════════════════════════════
12 · TABLES
════════════════════════════════════════════════════════════════════════════ */
.table { width: 100%; border-collapse: collapse; font-size: var(--fs-sm); }
.table th, .table td { padding: var(--sp-3) var(--sp-4); text-align: left; border-bottom: 1px solid var(--border); }
.table thead th {
font-size: var(--fs-xs); letter-spacing: var(--tracking-wide); text-transform: uppercase;
color: var(--muted); border-bottom: var(--bw-strong) solid var(--ink); font-weight: 500;
}
.table tbody tr { transition: background var(--t); }
.table-hover tbody tr:hover { background: var(--paper-2); }
.table-zebra tbody tr:nth-child(even) { background: color-mix(in srgb, var(--paper-2) 55%, transparent); }
.table td .badge { vertical-align: middle; }
/* ════════════════════════════════════════════════════════════════════════════
13 · CODE BLOCKS
════════════════════════════════════════════════════════════════════════════ */
pre {
font-family: var(--font-mono); font-size: var(--fs-sm); line-height: var(--lh-snug);
background: var(--paper-3); color: var(--ink);
border: 1px solid var(--border); border-left: 3px solid var(--ink);
border-radius: var(--r); padding: var(--sp-4) var(--sp-5);
overflow-x: auto;
}
pre code { background: none; padding: 0; color: inherit; font-size: 1em; }
/* ════════════════════════════════════════════════════════════════════════════
14 · SEAL / HANKO (signature stamp accent)
════════════════════════════════════════════════════════════════════════════ */
.seal {
display: inline-flex; align-items: center; justify-content: center;
width: 3.2em; height: 3.2em; padding: 0.3em;
font-family: var(--font-display); font-weight: 700; line-height: 1;
color: var(--paper); background: var(--accent);
border-radius: var(--r);
box-shadow: inset 0 0 0 2px var(--accent), inset 0 0 0 3px var(--paper);
transform: rotate(-4deg);
text-align: center; letter-spacing: 0;
}
.seal-round { border-radius: var(--r-pill); }
.seal-ink { background: var(--ink); box-shadow: inset 0 0 0 2px var(--ink), inset 0 0 0 3px var(--paper); }
/* ── Decorative divider with center glyph ────────────────────────────────── */
.rule {
display: flex; align-items: center; gap: var(--sp-4);
color: var(--muted); font-family: var(--font-display);
}
.rule::before, .rule::after { content: ''; flex: 1; height: 1px; background: var(--border); }
/* ════════════════════════════════════════════════════════════════════════════
15 · STATS
════════════════════════════════════════════════════════════════════════════ */
.stat { display: flex; flex-direction: column; gap: var(--sp-1); }
.stat-num { font-family: var(--font-display); font-size: var(--fs-2xl); font-weight: 700; line-height: 1; color: var(--ink); }
.stat-label { font-size: var(--fs-xs); letter-spacing: var(--tracking-wide); text-transform: uppercase; color: var(--muted); }
/* ════════════════════════════════════════════════════════════════════════════
16 · OVERLAY / MODAL
════════════════════════════════════════════════════════════════════════════ */
.overlay {
position: fixed; inset: 0; z-index: 100;
display: none; align-items: center; justify-content: center; padding: var(--pad);
background: color-mix(in srgb, var(--paper) 92%, transparent);
backdrop-filter: blur(3px);
}
.overlay.show { display: flex; animation: washi-fade-in var(--t-slow); }
@keyframes washi-fade-in { from { opacity: 0; transform: scale(0.97); } to { opacity: 1; transform: scale(1); } }
.modal {
background: var(--surface); border: 1px solid var(--border);
border-top: 3px solid var(--ink);
border-radius: var(--r-lg); box-shadow: var(--shadow-lg);
width: 100%; max-width: 460px; padding: var(--sp-6); text-align: center;
}
.modal .win-kanji {
font-family: var(--font-display); font-size: var(--fs-3xl); line-height: 1; color: var(--jade);
animation: washi-pop-in 0.55s cubic-bezier(0.34, 1.56, 0.64, 1);
}
@keyframes washi-pop-in { from { transform: scale(0.3) rotate(-8deg); opacity: 0; } to { transform: scale(1) rotate(0); opacity: 1; } }
/* ════════════════════════════════════════════════════════════════════════════
17 · FOOTER
════════════════════════════════════════════════════════════════════════════ */
.site-footer {
border-top: var(--bw-strong) solid var(--ink);
padding: var(--sp-6) var(--pad);
margin-top: var(--sp-8);
display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--sp-4);
font-size: var(--fs-sm); color: var(--muted);
}
/* ════════════════════════════════════════════════════════════════════════════
18 · UTILITIES
════════════════════════════════════════════════════════════════════════════ */
.surface { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-lg); }
.bordered { border: 1px solid var(--border); border-radius: var(--r); }
.shadow { box-shadow: var(--shadow); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.rounded { border-radius: var(--r); }
.rounded-lg { border-radius: var(--r-lg); }
.text-center { text-align: center; }
.text-right { text-align: right; }
.uppercase { text-transform: uppercase; letter-spacing: var(--tracking-wide); }
.full { width: 100%; }
.hidden { display: none !important; }
.mt-0 { margin-top: 0; } .mt-2 { margin-top: var(--sp-2); } .mt-4 { margin-top: var(--sp-4); }
.mt-6 { margin-top: var(--sp-6); } .mt-8 { margin-top: var(--sp-8); }
.mb-2 { margin-bottom: var(--sp-2); } .mb-4 { margin-bottom: var(--sp-4); } .mb-6 { margin-bottom: var(--sp-6); }
@media (prefers-reduced-motion: reduce) {
*, *::before, *::after { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}