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slides

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更新日2026年3月16日 02:48

HTML presentation slide creator with 12 style presets. Generates self-contained HTML files that work as presentations in any browser. Zero dependencies — no npm, no framework, just open the file. Supports speaker notes, keyboard navigation, and print-to-PDF. Triggers on: HTML slides, web presentation, browser slides, HTML presentation, reveal.js alternative, simple slides, quick presentation, keynote alternative.

インストール

Codex または Claude でインストールこの Prompt をコピーして Codex、Claude、または他のアシスタントに貼り付けると、Skill ページを確認してインストールできます。

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ceoimperiumprojects/imperium-brain

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HTML Presentation Slides

Create self-contained HTML presentations that run in any browser with zero dependencies. One file, no build step, no internet required.

Keywords

HTML slides, web presentation, browser slides, HTML presentation, reveal.js alternative, simple slides, quick presentation, keynote alternative, slide deck, presentation, slides, powerpoint alternative, google slides alternative, speaker notes, fullscreen presentation

What This Creates

A single .html file that:

Opens in any browser as a full-screen presentation
Arrow keys and spacebar navigate between slides
Escape key shows slide overview grid
F key toggles fullscreen mode
P key shows/hides presenter notes
Ctrl+P prints to PDF (use Chrome for best results)
Responsive — adapts to any screen size
No internet required — all styles and scripts are inline
Works offline, works on any OS, works forever (no dependencies to break)

Base HTML Template

Every presentation uses this template. Style presets override the CSS variables.

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>{{TITLE}}</title>
<style>
  /* ===== RESET ===== */
  * { margin: 0; padding: 0; box-sizing: border-box; }
  html, body { width: 100%; height: 100%; overflow: hidden; }

  /* ===== THEME VARIABLES ===== */
  :root {
    --bg: {{BG_COLOR}};
    --text: {{TEXT_COLOR}};
    --accent: {{ACCENT_COLOR}};
    --heading-font: {{HEADING_FONT}};
    --body-font: {{BODY_FONT}};
    --code-font: 'Fira Code', 'Cascadia Code', 'JetBrains Mono', 'Consolas', monospace;
  }

  /* ===== SLIDE CONTAINER ===== */
  .slide {
    width: 100vw;
    height: 100vh;
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 5vw;
    font-family: var(--body-font);
    background: var(--bg);
    color: var(--text);
    position: relative;
  }
  .slide.active { display: flex; }

  /* ===== TYPOGRAPHY ===== */
  h1 {
    font-size: clamp(2rem, 4vw, 5rem);
    font-family: var(--heading-font);
    margin-bottom: 2vh;
    line-height: 1.2;
    text-align: center;
  }
  h2 {
    font-size: clamp(1.5rem, 3vw, 3.5rem);
    font-family: var(--heading-font);
    margin-bottom: 2vh;
    line-height: 1.3;
  }
  h3 {
    font-size: clamp(1.2rem, 2.2vw, 2.5rem);
    font-family: var(--heading-font);
    margin-bottom: 1.5vh;
  }
  p {
    font-size: clamp(1rem, 2vw, 2rem);
    line-height: 1.6;
    max-width: 80%;
    text-align: center;
  }
  ul, ol {
    font-size: clamp(0.9rem, 1.8vw, 1.8rem);
    line-height: 2;
    text-align: left;
    max-width: 75%;
  }
  li { margin-bottom: 0.5vh; }
  strong { color: var(--accent); }
  code {
    font-family: var(--code-font);
    background: rgba(0,0,0,0.15);
    padding: 0.2em 0.5em;
    border-radius: 4px;
    font-size: 0.9em;
  }
  pre {
    font-family: var(--code-font);
    background: rgba(0,0,0,0.3);
    padding: 2vw;
    border-radius: 8px;
    font-size: clamp(0.7rem, 1.4vw, 1.2rem);
    line-height: 1.6;
    text-align: left;
    max-width: 85%;
    overflow-x: auto;
    white-space: pre-wrap;
  }
  blockquote {
    font-size: clamp(1.2rem, 2.5vw, 2.5rem);
    font-style: italic;
    border-left: 4px solid var(--accent);
    padding-left: 2vw;
    max-width: 75%;
    line-height: 1.5;
  }
  blockquote cite {
    display: block;
    font-size: 0.6em;
    font-style: normal;
    margin-top: 1vh;
    opacity: 0.7;
  }

  /* ===== LAYOUT HELPERS ===== */
  .slide-title {
    text-align: center;
  }
  .slide-title h1 {
    font-size: clamp(2.5rem, 5vw, 6rem);
    margin-bottom: 3vh;
  }
  .slide-title p {
    font-size: clamp(1rem, 2vw, 2rem);
    opacity: 0.8;
  }
  .two-columns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4vw;
    width: 85%;
    align-items: start;
    text-align: left;
  }
  .two-columns h2 {
    grid-column: 1 / -1;
    text-align: center;
  }
  .stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3vw;
    width: 80%;
    text-align: center;
  }
  .stat-number {
    font-size: clamp(2rem, 4vw, 5rem);
    font-weight: 800;
    color: var(--accent);
    font-family: var(--heading-font);
  }
  .stat-label {
    font-size: clamp(0.8rem, 1.4vw, 1.2rem);
    opacity: 0.7;
    margin-top: 0.5vh;
  }
  .image-full {
    width: 100vw;
    height: 100vh;
    object-fit: cover;
    position: absolute;
    top: 0;
    left: 0;
  }
  .image-side {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4vw;
    width: 90%;
    align-items: center;
  }
  .image-side img {
    width: 100%;
    border-radius: 8px;
  }

  /* ===== SPEAKER NOTES ===== */
  .notes { display: none; }
  .show-notes .notes {
    display: block;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(0,0,0,0.92);
    color: #e2e8f0;
    padding: 2vh 3vw;
    font-size: clamp(0.8rem, 1.5vw, 1.1rem);
    line-height: 1.6;
    font-family: var(--body-font);
    z-index: 100;
    max-height: 25vh;
    overflow-y: auto;
    border-top: 2px solid var(--accent);
  }

  /* ===== SLIDE COUNTER ===== */
  .counter {
    position: fixed;
    bottom: 1.5vh;
    right: 2vw;
    font-size: clamp(0.7rem, 1.2vw, 1rem);
    opacity: 0.4;
    font-family: var(--body-font);
    z-index: 50;
  }

  /* ===== PROGRESS BAR ===== */
  .progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    background: var(--accent);
    transition: width 0.3s ease;
    z-index: 50;
  }

  /* ===== OVERVIEW MODE ===== */
  .overview .slide {
    display: flex !important;
    width: 23vw;
    height: 23vh;
    font-size: 0.25em;
    border: 2px solid transparent;
    cursor: pointer;
    border-radius: 8px;
    transition: border-color 0.2s;
  }
  .overview .slide:hover { border-color: var(--accent); }
  .overview .slide.active { border-color: var(--accent); }
  body.overview-mode {
    overflow: auto;
    display: flex;
    flex-wrap: wrap;
    gap: 1vw;
    padding: 2vw;
    background: #111;
  }
  body.overview-mode .progress,
  body.overview-mode .counter { display: none; }

  /* ===== PRINT STYLES ===== */
  @media print {
    .slide {
      display: flex !important;
      page-break-after: always;
      height: 100vh;
    }
    .progress, .counter { display: none; }
    .notes { display: none; }
  }

  /* ===== TRANSITIONS ===== */
  .slide {
    animation: fadeIn 0.3s ease;
  }
  @keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
  }
</style>
</head>
<body>

<div class="progress" id="progress"></div>
<div class="counter" id="counter"></div>

<!-- ===== SLIDES START ===== -->

<!-- Title Slide -->
<div class="slide slide-title">
  <h1>{{PRESENTATION_TITLE}}</h1>
  <p>{{SUBTITLE}}</p>
  <div class="notes">Speaker notes go here. Press P to show/hide.</div>
</div>

<!-- Content Slide Example -->
<div class="slide">
  <h2>{{Slide Title}}</h2>
  <ul>
    <li>Point one</li>
    <li>Point two</li>
    <li>Point three</li>
  </ul>
  <div class="notes">Additional context for the speaker.</div>
</div>

<!-- Quote Slide Example -->
<div class="slide">
  <blockquote>
    "The best way to predict the future is to create it."
    <cite>— Peter Drucker</cite>
  </blockquote>
</div>

<!-- Stats Slide Example -->
<div class="slide">
  <h2>Key Numbers</h2>
  <div class="stats-grid">
    <div>
      <div class="stat-number">10K+</div>
      <div class="stat-label">Active Users</div>
    </div>
    <div>
      <div class="stat-number">99.9%</div>
      <div class="stat-label">Uptime</div>
    </div>
    <div>
      <div class="stat-number">4.8★</div>
      <div class="stat-label">Rating</div>
    </div>
  </div>
</div>

<!-- Two-Column Slide Example -->
<div class="slide">
  <div class="two-columns">
    <h2>Comparison</h2>
    <div>
      <h3>Before</h3>
      <ul>
        <li>Manual process</li>
        <li>Hours of work</li>
        <li>Error-prone</li>
      </ul>
    </div>
    <div>
      <h3>After</h3>
      <ul>
        <li>Automated</li>
        <li>Minutes</li>
        <li>Reliable</li>
      </ul>
    </div>
  </div>
</div>

<!-- Code Slide Example -->
<div class="slide">
  <h2>How It Works</h2>
  <pre><code>// Example code block
const result = await imperium.analyze({
  target: 'competitors',
  depth: 'full'
});
console.log(result.insights);</code></pre>
</div>

<!-- CTA/Closing Slide -->
<div class="slide slide-title">
  <h1>Thank You</h1>
  <p>{{CTA — website, email, or next step}}</p>
</div>

<!-- ===== SLIDES END ===== -->

<script>
(function() {
  const slides = document.querySelectorAll('.slide');
  let current = 0;
  let overviewMode = false;

  function show(n) {
    if (overviewMode) return;
    slides[current].classList.remove('active');
    current = Math.max(0, Math.min(n, slides.length - 1));
    slides[current].classList.add('active');
    updateUI();
  }

  function updateUI() {
    document.getElementById('counter').textContent = (current + 1) + ' / ' + slides.length;
    document.getElementById('progress').style.width = ((current + 1) / slides.length * 100) + '%';
  }

  function toggleOverview() {
    overviewMode = !overviewMode;
    document.body.classList.toggle('overview-mode', overviewMode);
    if (!overviewMode) {
      show(current);
    }
  }

  // Keyboard navigation
  document.addEventListener('keydown', function(e) {
    if (overviewMode && e.key === 'Escape') {
      toggleOverview();
      return;
    }
    if (overviewMode) return;

    switch(e.key) {
      case 'ArrowRight':
      case ' ':
      case 'ArrowDown':
        e.preventDefault();
        show(current + 1);
        break;
      case 'ArrowLeft':
      case 'ArrowUp':
        e.preventDefault();
        show(current - 1);
        break;
      case 'Home':
        e.preventDefault();
        show(0);
        break;
      case 'End':
        e.preventDefault();
        show(slides.length - 1);
        break;
      case 'f':
        if (document.fullscreenElement) {
          document.exitFullscreen();
        } else {
          document.documentElement.requestFullscreen().catch(function(){});
        }
        break;
      case 'p':
        document.body.classList.toggle('show-notes');
        break;
      case 'Escape':
        toggleOverview();
        break;
    }
  });

  // Click navigation in overview mode
  slides.forEach(function(slide, index) {
    slide.addEventListener('click', function() {
      if (overviewMode) {
        current = index;
        toggleOverview();
      }
    });
  });

  // Touch support for mobile
  let touchStartX = 0;
  let touchStartY = 0;
  document.addEventListener('touchstart', function(e) {
    touchStartX = e.changedTouches[0].screenX;
    touchStartY = e.changedTouches[0].screenY;
  });
  document.addEventListener('touchend', function(e) {
    const dx = e.changedTouches[0].screenX - touchStartX;
    const dy = e.changedTouches[0].screenY - touchStartY;
    if (Math.abs(dx) > Math.abs(dy) && Math.abs(dx) > 50) {
      if (dx < 0) show(current + 1);
      else show(current - 1);
    }
  });

  // Hash-based navigation (allows linking to specific slides)
  function checkHash() {
    const hash = window.location.hash;
    if (hash && hash.startsWith('#slide-')) {
      const n = parseInt(hash.replace('#slide-', '')) - 1;
      if (!isNaN(n) && n >= 0 && n < slides.length) {
        show(n);
      }
    }
  }
  window.addEventListener('hashchange', checkHash);

  // Initialize
  checkHash();
  show(current);
})();
</script>
</body>
</html>

Style Presets

12 visual themes available. Each preset overrides the CSS :root variables.

1. Midnight

Dark navy background with white text and electric blue accents. Professional, modern, great for tech presentations.

:root {
  --bg: #0f172a;
  --text: #f1f5f9;
  --accent: #3b82f6;
  --heading-font: 'Segoe UI', system-ui, sans-serif;
  --body-font: 'Segoe UI', system-ui, sans-serif;
}

2. Clean

White background with dark text. Minimal, distraction-free. Works for any context.

:root {
  --bg: #ffffff;
  --text: #1e293b;
  --accent: #2563eb;
  --heading-font: 'Segoe UI', system-ui, sans-serif;
  --body-font: 'Segoe UI', system-ui, sans-serif;
}

3. Startup

Dark background with gradient accent elements. Modern startup aesthetic.

:root {
  --bg: #0a0a0a;
  --text: #fafafa;
  --accent: #a855f7;
  --heading-font: 'Segoe UI', system-ui, sans-serif;
  --body-font: 'Segoe UI', system-ui, sans-serif;
}

Additional: accent gradient from #a855f7 to #ec4899 on headings.

4. Corporate

Light gray background, navy text. Professional and boardroom-ready.

:root {
  --bg: #f8fafc;
  --text: #1e3a5f;
  --accent: #1e40af;
  --heading-font: 'Georgia', 'Times New Roman', serif;
  --body-font: 'Segoe UI', system-ui, sans-serif;
}

5. Creative

Bold colors, oversized typography. For pitches that need to stand out.

:root {
  --bg: #fef3c7;
  --text: #1c1917;
  --accent: #dc2626;
  --heading-font: 'Georgia', 'Times New Roman', serif;
  --body-font: 'Segoe UI', system-ui, sans-serif;
}

6. Developer

Terminal aesthetic. Dark background, monospace font, green accents.

:root {
  --bg: #0d1117;
  --text: #c9d1d9;
  --accent: #58a6ff;
  --heading-font: 'Fira Code', 'Cascadia Code', 'Consolas', monospace;
  --body-font: 'Fira Code', 'Cascadia Code', 'Consolas', monospace;
}

Additional: green (#3fb950) for code highlights, subtle grid background.

7. Warm

Cream background with warm brown text. Friendly, approachable, human.

:root {
  --bg: #fdf6e3;
  --text: #3c2415;
  --accent: #c2410c;
  --heading-font: 'Georgia', 'Times New Roman', serif;
  --body-font: 'Segoe UI', system-ui, sans-serif;
}

8. Neon

Black background with neon gradient text. High-energy, attention-grabbing.

:root {
  --bg: #000000;
  --text: #ffffff;
  --accent: #00ff88;
  --heading-font: 'Segoe UI', system-ui, sans-serif;
  --body-font: 'Segoe UI', system-ui, sans-serif;
}

Additional: headings use gradient linear-gradient(135deg, #00ff88, #00d4ff) with -webkit-background-clip: text.

9. Nature

Forest green palette. Organic, grounded, eco-friendly feel.

:root {
  --bg: #1a2e1a;
  --text: #e8f5e9;
  --accent: #66bb6a;
  --heading-font: 'Georgia', 'Times New Roman', serif;
  --body-font: 'Segoe UI', system-ui, sans-serif;
}

10. Minimal

Pure black and white. Maximum whitespace, maximum clarity.

:root {
  --bg: #ffffff;
  --text: #000000;
  --accent: #000000;
  --heading-font: 'Segoe UI', system-ui, sans-serif;
  --body-font: 'Segoe UI', system-ui, sans-serif;
}

Additional: headings use letter-spacing: 0.05em, lighter font-weight.

11. Retro

Vintage color palette with serif fonts. Nostalgic, distinctive.

:root {
  --bg: #2d1b14;
  --text: #f5e6d3;
  --accent: #e07a3a;
  --heading-font: 'Georgia', 'Palatino Linotype', serif;
  --body-font: 'Georgia', 'Palatino Linotype', serif;
}

12. Gradient

Smooth gradient backgrounds that shift per slide. Dynamic, modern.

:root {
  --bg: linear-gradient(135deg, #667eea, #764ba2);
  --text: #ffffff;
  --accent: #fbbf24;
  --heading-font: 'Segoe UI', system-ui, sans-serif;
  --body-font: 'Segoe UI', system-ui, sans-serif;
}

Additional: each slide uses a different gradient from a curated palette:

Slide 1: #667eea → #764ba2
Slide 2: #f093fb → #f5576c
Slide 3: #4facfe → #00f2fe
Slide 4: #43e97b → #38f9d7
Slide 5: #fa709a → #fee140
Slide 6+: cycle through the palette

Brand Integration

Before generating slides, check if brand/brand.json exists.

If brand files exist:

Override any preset with brand colors:
- brand.colors.primary → --accent
- brand.colors.background → --bg (or use a preset and just override accent)
- brand.colors.text → --text
Use brand fonts:
- brand.fonts.heading → --heading-font
- brand.fonts.body → --body-font
Add brand logo to title slide if brand/assets/logo.svg or brand/assets/logo.png exists
Apply tone-of-voice to slide content

If no brand files exist:

Use the selected preset as-is
Default to "Midnight" preset if no preference given

Slide Types

When generating presentations, use these slide patterns:

Title Slide

Centered layout. Large heading, subtitle, optional logo. Used for opening and section breaks.

<div class="slide slide-title">
  <h1>Presentation Title</h1>
  <p>Subtitle or tagline</p>
</div>

Content Slide

Title with bullet points. The workhorse slide for most content.

<div class="slide">
  <h2>Section Title</h2>
  <ul>
    <li><strong>Key point</strong> — supporting detail</li>
    <li><strong>Key point</strong> — supporting detail</li>
    <li><strong>Key point</strong> — supporting detail</li>
  </ul>
</div>

Quote Slide

Large quote with attribution. Use for customer testimonials, founding principles, or impactful statements.

<div class="slide">
  <blockquote>
    "The quote goes here."
    <cite>— Attribution</cite>
  </blockquote>
</div>

Code Slide

Syntax-displayed code block. For technical presentations, API demos, architecture explanations.

<div class="slide">
  <h2>Implementation</h2>
  <pre><code>const example = 'code here';</code></pre>
</div>

Stats/Numbers Slide

Grid of key metrics. For traction, impact, or comparison data.

<div class="slide">
  <h2>By The Numbers</h2>
  <div class="stats-grid">
    <div>
      <div class="stat-number">{{NUMBER}}</div>
      <div class="stat-label">{{LABEL}}</div>
    </div>
  </div>
</div>

Two-Column Slide

Side-by-side content. For comparisons, before/after, pros/cons.

<div class="slide">
  <div class="two-columns">
    <h2>Title</h2>
    <div><!-- Left column --></div>
    <div><!-- Right column --></div>
  </div>
</div>

Image Slide

Full-bleed image or side-by-side image with text.

<!-- Full bleed -->
<div class="slide" style="padding: 0;">
  <img class="image-full" src="{{IMAGE_URL}}" alt="{{ALT}}">
</div>

<!-- Side by side -->
<div class="slide">
  <div class="image-side">
    <img src="{{IMAGE_URL}}" alt="{{ALT}}">
    <div>
      <h2>Title</h2>
      <p>Description alongside the image.</p>
    </div>
  </div>
</div>

CTA/Closing Slide

Final slide with clear call to action.

<div class="slide slide-title">
  <h1>Get Started</h1>
  <p>website.com | hello@company.com</p>
</div>

Best Practices

Content Rules

Maximum 6 bullet points per slide — less is more
One idea per slide — if it needs two ideas, make two slides
Use <strong> for key terms — they render in the accent color
Keep headlines under 8 words
Speaker notes can be verbose — slides should not be

Design Rules

Default padding (5vw) keeps content away from edges — don't override unless full-bleed
Use clamp() for font sizes — already built into the template for responsiveness
Stats grid auto-fits: 2 stats = 2 columns, 3 = 3 columns, 4 = 2x2 grid
Code blocks have overflow-x auto — long lines won't break the layout

Presentation Tips

F for fullscreen before presenting
Test with Ctrl+P to verify PDF output looks correct
Speaker notes (P key) only show on presenter's screen in browser
Share the .html file directly — recipients just double-click to view
Works in Chrome, Firefox, Safari, Edge — no compatibility issues

name	slides
description	HTML presentation slide creator with 12 style presets. Generates self-contained HTML files that work as presentations in any browser. Zero dependencies — no npm, no framework, just open the file. Supports speaker notes, keyboard navigation, and print-to-PDF. Triggers on: HTML slides, web presentation, browser slides, HTML presentation, reveal.js alternative, simple slides, quick presentation, keynote alternative.
user-invocable	false

slides

このリポジトリの他の Skills

このリポジトリの他の Skills

HTML Presentation Slides

Keywords

What This Creates

Base HTML Template

Style Presets

1. Midnight

2. Clean

3. Startup

4. Corporate

5. Creative

6. Developer

7. Warm

8. Neon

9. Nature

10. Minimal

11. Retro

12. Gradient

Brand Integration

Slide Types

Title Slide

Content Slide

Quote Slide

Code Slide

Stats/Numbers Slide

Two-Column Slide

Image Slide

CTA/Closing Slide

Best Practices

Content Rules

Design Rules

Presentation Tips

HTML Presentation Slides

Keywords

What This Creates

Base HTML Template

Style Presets

1. Midnight

2. Clean

3. Startup

4. Corporate

5. Creative

6. Developer

7. Warm

8. Neon

9. Nature

10. Minimal

11. Retro

12. Gradient

Brand Integration

Slide Types

Title Slide

Content Slide

Quote Slide

Code Slide

Stats/Numbers Slide

Two-Column Slide

Image Slide

CTA/Closing Slide

Best Practices

Content Rules

Design Rules

Presentation Tips