Midjourney プロンプトエンジニアリング：完全ガイド

A golden retriever sitting in autumn leaves, soft afternoon sunlight

Your Text Prompt
      ↓
[Text Encoder] → Converts words to mathematical embeddings
      ↓
[Diffusion Model] → Generates image from noise, guided by embeddings
      ↓
[Upscaler] → Increases resolution and detail
      ↓
Final Image

┌─────────────────────────────────────────────────┐
│  1. SUBJECT（誰/何を）          ← 最も重要      │
│     "elderly fisherman"                          │
├─────────────────────────────────────────────────┤
│  2. SUBJECT DETAILS（詳細な描写）               │
│     "weathered face, silver beard, kind eyes"   │
├─────────────────────────────────────────────────┤
│  3. CONTEXT（どこで/いつ）                      │
│     "on a wooden dock at dawn"                  │
├─────────────────────────────────────────────────┤
│  4. STYLE/MOOD（どんな雰囲気か）                │
│     "documentary photography, contemplative"     │
├─────────────────────────────────────────────────┤
│  5. TECHNICAL（カメラ/ライティング）            │
│     "shot on Leica, natural morning light"      │
├─────────────────────────────────────────────────┤
│  6. PARAMETERS（--ar、--sなど）  ← 微調整       │
│     "--ar 3:2 --s 100 --v 7"                    │
└─────────────────────────────────────────────────┘

[SUBJECT] [SUBJECT DETAILS], [CONTEXT], [STYLE/MOOD], [TECHNICAL] --parameters

An elderly fisherman with a weathered face and silver beard, standing on a
wooden dock at dawn, documentary photography style, contemplative mood,
shot on Leica M11 with natural morning light, soft mist rising from the water
--ar 3:2 --s 100 --v 7

A determined young mage with crimson hair, casting fire magic,
intense expression, ancient library background --niji 7

--niji 6 --style expressive  # ダイナミック、スタイライズド
--niji 6 --style cute        # カワイイ美学
--niji 6 --style scenic      # 背景重視
--niji 6 --style original    # クラシックなNijiルック

Portrait of a woman, soft window light --s 50
# Midjourney プロンプトエンジニアリング：完全ガイド

Portrait of a woman, soft window light --s 250
# Result: More artistic interpretation, enhanced mood

Portrait of a woman, soft window light --s 600
# Result: Distinctly stylized, dreamlike quality

Portrait of a businessman, office background --s 50 --style raw --v 7

--chaos 50 --weird 500   # Varied outputs, each slightly quirky
--chaos 100 --weird 0    # Wild variations, normal aesthetic
--chaos 25 --weird 2000  # Similar outputs, all very weird

--exp 10 --s 200           # Enhanced detail, balanced style
--exp 25 --s 100           # Strong exp, controlled stylize
--exp 5 --style raw        # Subtle boost for photorealism

/imagine A woman in a red dress at a gala --oref [image URL]

--ow 0-1000    # Omni weight (default 100)

# Photo to anime conversion - lower weight
--oref [photo URL] --ow 40 --niji 7

# Maintaining strict likeness
--oref [photo URL] --ow 200 --v 7

# Subject from one image, style from another
--oref [subject URL] --sref [style URL] --ow 100 --sw 150

/imagine A mountain landscape at sunset --sref [style image URL]

--sw 0-1000    # Style weight (default 100)

--sref [url1] [url2]

/imagine A mountain landscape --sref 123456789 --sv 4
# --sv 4 tells V7 to interpret the code using V6 style system

/imagine [prompt] [image URL] --iw 1.5

/imagine A forest path at dawn --p
# Uses your default moodboard

/imagine A forest path at dawn --p abc123
# Uses specific moodboard with ID abc123

/imagine A portrait --p --sref [url] --sw 50
# Your moodboard aesthetic + subtle style reference influence

/imagine [prompt] --draft

1. Draft Mode Exploration (--draft)
   ├── Test 5-10 variations quickly
   ├── Identify promising directions
   └── Note effective parameters

2. Full Render Refinement
   ├── Remove --draft flag
   ├── Apply learned parameters
   └── Fine-tune with --seed

--motion low    # Still scenes, slow motion, subtle movement (default)
--motion high   # Big camera motions, larger character movements
--raw           # Reduces creative flair, more prompt control

Select image → Click "Loop" → Generate

# Good for video
Lone figure standing on cliff edge, wind blowing cape, dramatic clouds

# Less ideal for video
Group of dancers in synchronized formation, precise movements

[Shot type] by [Director], [subject physical description],
[action/pose], [costume/styling], [setting details],
captured with [Camera Body] using [Lens], [lighting description],
[mood/atmosphere summary]
--ar [ratio] --s [value] --p --no anime, cartoon, illustration, painting

Dramatic close-up portrait by Ridley Scott, young woman with pale skin
and auburn hair, intense green eyes staring directly at camera, subtle
freckles across nose, wearing dark wool coat, rain falling around her
face, captured with RED Komodo using 85mm f/1.8 lens, cold blue-silver
lighting with warm practical rim light, melancholic determined atmosphere
--ar 4:5 --s 150 --p --no anime, cartoon, illustration, painting

Epic wide shot by Denis Villeneuve, lone figure in orange survival suit
walking across endless salt flats, geometric patterns in dried earth,
massive dust storm approaching on horizon, captured with ARRI ALEXA 65
using 24mm f/2.0 lens, harsh afternoon sun creating stark shadows,
desolate apocalyptic atmosphere
--ar 21:9 --s 200 --p --no anime, cartoon, illustration, painting

[Subject description], [expression/emotion], [pose],
[lighting pattern] lighting, shallow depth of field,
[background description], shot on [camera] with [lens]
--ar 4:5 --s 100 --v 7

Middle-aged craftsman with salt-and-pepper beard, focused expression,
hands working on leather saddle, Rembrandt lighting from workshop window,
shallow depth of field, blurred tool-filled background, shot on
Hasselblad with 80mm f/1.9, documentary authenticity
--ar 4:5 --s 75 --style raw --v 7

Professional woman in her 30s, confident subtle smile, shoulders
turned slightly, butterfly lighting with soft fill, pure white
seamless background, shot on Phase One with 110mm f/2.8, clean
commercial aesthetic
--ar 4:5 --s 50 --v 7

[Product] on [surface/platform], [background style],
[lighting setup], commercial photography, high detail,
[brand aesthetic description]
--ar 1:1 --s 50 --v 7 --style raw

Minimalist perfume bottle with gold cap on polished black marble surface,
gradient background from deep purple to black, dramatic rim lighting with
soft front fill, commercial photography, high detail, premium luxury
aesthetic, subtle reflections on marble
--ar 1:1 --s 25 --v 7 --style raw

Wireless earbuds case open showing earbuds inside, floating on
pure white seamless background, soft even lighting from all sides,
commercial product photography, high detail, clean Apple-style
minimalism, subtle shadow beneath
--ar 1:1 --s 50 --v 7 --style raw

[Character/scene description], [fantasy world details],
[magical elements], [lighting style],
[art style: painterly | concept art | illustration],
[artist influence if applicable]
--ar 16:9 --s 500 --weird 100 --v 7

Ancient elven queen seated on crystalline throne in vast cavern hall,
iridescent robes flowing with captured starlight, bioluminescent
flowers floating around her, massive glowing runes carved into
obsidian walls, ethereal volumetric lighting, painterly fantasy
illustration influenced by Craig Mullins and Alphonse Mucha
--ar 16:9 --s 600 --weird 150 --v 7

Battle-scarred knight in tarnished armor standing in ruined cathedral,
sword planted in cracked stone floor, pale moonlight streaming through
shattered rose window, crows circling above, mist swirling at feet,
dark atmospheric concept art, Beksinski and Zdzisław influence
--ar 16:9 --s 400 --weird 200 --v 7

[Subject/scene], [technology details], [environment],
[lighting: neon | holographic | industrial | sterile],
[aesthetic: cyberpunk | hard sci-fi | retro-futurism],
[mood description]
--ar 21:9 --s 300 --v 7

Solo mercenary in worn tactical gear navigating rain-soaked neon alley,
holographic advertisements flickering overhead, steam rising from
street grates, distant megastructures visible through smog, cyan and
magenta neon reflections on wet pavement, Blade Runner cyberpunk
aesthetic, oppressive urban atmosphere
--ar 21:9 --s 350 --v 7

Interior of generation ship agricultural bay, massive cylindrical
space with terraced farms curving overhead, artificial sun strip
running along central axis, workers in utilitarian jumpsuits tending
crops, visible structural engineering, hard science fiction aesthetic,
The Expanse influence, functional yet beautiful
--ar 21:9 --s 250 --v 7

[Character description], [pose/action], [expression],
[setting/background], [specific style notes],
[color palette]
--niji 7 --ar [ratio]

Young mage with flowing crimson hair and determined golden eyes,
casting powerful fire spell with both hands raised, intense focused
expression, ancient library crumbling around her, debris floating
in magical energy, dynamic diagonal composition, warm orange and
red color palette with cool blue shadows
--niji 7 --ar 3:4

Elegant noblewoman with silver hair in elaborate updo, wearing dark
blue Victorian-inspired gown with gold embroidery, subtle knowing
smile, half-body portrait, ornate palace balcony background with
moonlit garden visible, soft romantic atmosphere, detailed lace
and fabric textures
--niji 7 --ar 4:5

[Your prompt] --niji 7 --sref [style image URL] --sw 150

anime girl, beautiful, detailed eyes, colorful --niji 6 --style expressive

Young woman with vibrant teal hair and large expressive amber eyes,
wearing casual summer dress, cheerful smile, urban cafe background,
afternoon sunlight, contemporary anime style
--niji 7

[Building/space type], [architectural style],
[time of day/lighting], [weather/atmosphere],
[perspective: eye-level | aerial | interior | detail],
architectural photography, clean lines
--ar 16:9 --s 150 --v 7 --style raw

Brutalist concrete museum interior with dramatic skylights, afternoon
sun creating strong geometric shadows on exposed concrete walls, vast
empty gallery space with single sculpture, eye-level perspective
showing depth and scale, architectural photography by Hélène Binet
--ar 16:9 --s 100 --v 7 --style raw

Futuristic parametric architecture concert hall exterior, flowing white
curves inspired by Zaha Hadid, blue hour lighting with building interior
warmly illuminated, long exposure car light trails on surrounding roads,
wide establishing shot, architectural photography
--ar 16:9 --s 150 --v 7

[Concept/emotion to express], [visual elements],
[color palette], [texture/material qualities],
[movement/energy description], abstract composition
--s 750 --weird 500 --chaos 50 --v 7

The feeling of nostalgia dissolving into hope, fragmented memories
reforming as light, soft blues transitioning to warm amber, watercolor
textures bleeding into geometric shapes, gentle upward movement,
abstract emotional landscape
--ar 1:1 --s 800 --weird 750 --chaos 40 --v 7

Microscopic landscape of oxidized copper and crystalline salt
formations, verdigris greens and rust oranges, extreme macro detail,
mineral textures catching diffused light, abstract geological patterns
--ar 1:1 --s 500 --weird 300 --v 7

The architecture of forgotten dreams, impossible geometries folding
through chromatic space, Escher meets Kandinsky, synesthetic color
relationships, visual music
--ar 1:1 --s 1000 --weird 2000 --chaos 75 --v 7

word::2      # 2倍の強調
word::1.5    # 50%増しの強調
word::1      # 通常（デフォルト）
word::0.5   # 半分の強調
word::-1     # ネガティブ（回避）

ethereal::2 portrait of a warrior, dramatic lighting::1.5, mist::0.5

/imagine Beautiful landscape --no people, text, watermark

--no anime, cartoon, illustration, painting, drawing, sketch, CGI, 3D render

/imagine [prompt] --seed 12345

Scene in morning light --seed 54321
Scene in afternoon light --seed 54321
Scene in evening light --seed 54321

[Primary subject], [secondary subject], [tertiary subject],
[their relationship/interaction], [setting], [style]

In the foreground, [subject A]
In the middle ground, [subject B]
In the background, [subject C]

On the left, [subject A]
In the center, [subject B]
On the right, [subject C]

Elderly grandmother and young granddaughter baking together in
sunlit kitchen, grandmother guiding child's hands rolling dough,
flour dusting the wooden counter, warm afternoon light from window,
vintage kitchen appliances in background, intimate family moment,
documentary photography style
--ar 3:2 --s 100 --v 7

Neon sign reading "OPEN" in storefront window

Vintage poster with "JAZZ NIGHT" in art deco typography

Rainy city street at night, neon diner sign reading "EAT" glowing
red through rain-streaked window, film noir atmosphere
--ar 16:9 --s 150 --v 7

Minimalist book cover design, large serif typography reading "THE END"
centered on cream paper texture, literary fiction aesthetic
--ar 2:3 --s 100 --v 7

1. Enable Draft mode (--draft)
2. Write basic prompt with core concept
3. Generate 4-8 batches quickly
4. Identify promising directions
5. Note what works/doesn't

1. Disable Draft mode
2. Take best concepts from Phase 1
3. Add specific details
4. Adjust parameters (--s, --chaos, etc.)
5. Generate in Fast mode
6. Compare variations

1. Select best candidate
2. Note the seed
3. Make micro-adjustments to prompt
4. Use same seed for consistency
5. Upscale final choice

portrait, beautiful woman, dramatic lighting, 8k, detailed, masterpiece

A contemplative portrait of a woman in her 30s, Rembrandt lighting
casting gentle shadows across her face, medium format photography
aesthetic with shallow depth of field

MODELS
--v 7           Default, best overall (June 2025)
--niji 7        Anime/manga (Jan 2026, best coherence)
--niji 6        Anime/manga (legacy, has --style options)
--draft         Fast iteration, 10x faster, half cost

ASPECT
--ar 16:9       Widescreen
--ar 21:9       Cinematic ultrawide
--ar 4:5        Portrait (Instagram)
--ar 9:16       Vertical (Stories)
--ar 1:1        Square
--ar 3:2        Classic photo
--ar 2:3        Portrait print

STYLE
--s 0-100       Photorealistic
--s 100-300     Balanced
--s 300-1000    Artistic
--style raw     Minimal AI interpretation
--p             Apply personalization (V7 default)

EXPERIMENTAL
--exp 0-100     Enhanced detail (10-25 sweet spot)
--chaos 0-100   Output variety
--weird 0-3000  Unconventional aesthetics

REFERENCES
--oref [url]    Subject/character (V7)
--ow 0-1000     Omni weight (default 100)
--sref [url]    Style transfer
--sw 0-1000     Style weight (default 100)
--iw 0-2        Image weight (default 1)

VIDEO (Web only)
--motion low    Subtle movement (default)
--motion high   Dynamic movement
--raw           More prompt control

QUALITY
--q 1           Full quality (default)
--seed [num]    Reproducibility

NEGATIVE
--no [items]    Exclude elements