{
  "rubric": "5 axes x 20 pts each, total /100. Axes: thumbnail_suitability, anime_appeal, japanese_authenticity, lofi_vibe, study_context. Tiers: Gold >=90, Silver 80-89, Bronze 70-79, below <70.",
  "evaluated_at": "2026-05-06T00:00:00Z",
  "calibration_notes": "References (_existing-style-reference/*.jpg) anchor the gold standard at ~95: cel-anime night scene, character on right doing study/writing pose, cool blue/purple palette, left negative space, cozy desk with book/cup/lamp/window, clearly Touhou. A sampler must hit close to ALL of these to reach Gold.",
  "scores": [
    {
      "letter": "A",
      "slug": "ghibli",
      "filename": "reimu-A-ghibli.png",
      "axes": {"thumbnail_suitability": 11, "anime_appeal": 16, "japanese_authenticity": 17, "lofi_vibe": 16, "study_context": 17},
      "total": 77,
      "tier": "bronze",
      "notes": "Beautiful ghibli watercolor with reading pose, cup, lantern, books, sakura. Strong study context and Japanese authenticity. Loses points on thumbnail layout: character is centered/facing camera, no clear left-third negative space for title, palette is warm earth instead of cool lo-fi night."
    },
    {
      "letter": "B",
      "slug": "shinkai",
      "filename": "reimu-B-shinkai.png",
      "axes": {"thumbnail_suitability": 12, "anime_appeal": 17, "japanese_authenticity": 17, "lofi_vibe": 9, "study_context": 14},
      "total": 69,
      "tier": "below",
      "notes": "Shinkai-style sunset with torii and pagoda is gorgeous and very Japanese, but the dramatic warm sunset palette and high-saturation lens flare clash with lo-fi calm mood. Reimu is reading but the dramatic energy is more cinematic than study-BGM."
    },
    {
      "letter": "C",
      "slug": "retro-cel",
      "filename": "reimu-C-retro-cel.png",
      "axes": {"thumbnail_suitability": 11, "anime_appeal": 17, "japanese_authenticity": 18, "lofi_vibe": 14, "study_context": 16},
      "total": 76,
      "tier": "bronze",
      "notes": "Crisp 90s cel look with shoji, lantern, sakura, shrine altar, clearly Reimu reading. Composition is centered-frontal and lacks the dedicated left-third for title; daytime warm palette is moderate lo-fi rather than the cool night reference."
    },
    {
      "letter": "D",
      "slug": "ukiyoe",
      "filename": "reimu-D-ukiyoe.png",
      "axes": {"thumbnail_suitability": 10, "anime_appeal": 13, "japanese_authenticity": 19, "lofi_vibe": 11, "study_context": 14},
      "total": 67,
      "tier": "below",
      "notes": "Top-tier Japanese authenticity (Hokusai wave, Fuji, ukiyo-e woodblock textures). But anime fans 20-30 demographic skew toward modern cel anime, and busy ukiyo-e layout fights title overlay. Strong artistic personality, weak channel-fit."
    },
    {
      "letter": "E",
      "slug": "channel-matched",
      "filename": "reimu-E-channel-matched.png",
      "axes": {"thumbnail_suitability": 19, "anime_appeal": 19, "japanese_authenticity": 19, "lofi_vibe": 19, "study_context": 19},
      "total": 95,
      "tier": "gold",
      "notes": "Near-perfect match to channel reference. Cool night palette, moon, cherry blossoms, character on right doing study pose with cup/lantern/book, window with cityscape, clear left negative space. This IS the channel style."
    },
    {
      "letter": "F",
      "slug": "oil-pastel",
      "filename": "reimu-F-oil-pastel.png",
      "axes": {"thumbnail_suitability": 11, "anime_appeal": 15, "japanese_authenticity": 16, "lofi_vibe": 14, "study_context": 17},
      "total": 73,
      "tier": "bronze",
      "notes": "Oil-pastel texture adds artisanal feel away from AI-glossy, study scene with book/lantern/cup is solid. Centered composition and warm palette weaken thumbnail-suitability and lo-fi night mood."
    },
    {
      "letter": "G",
      "slug": "watercolor",
      "filename": "reimu-G-watercolor.png",
      "axes": {"thumbnail_suitability": 16, "anime_appeal": 16, "japanese_authenticity": 17, "lofi_vibe": 17, "study_context": 11},
      "total": 77,
      "tier": "bronze",
      "notes": "Wet-on-wet watercolor sunset window scene is atmospheric and Japanese-feeling. Character on right looking out, sakura, shoji. Less study-context (no desk/book/cup), warm sunset palette diverges from cool reference."
    },
    {
      "letter": "H",
      "slug": "sumie",
      "filename": "reimu-H-sumie.png",
      "axes": {"thumbnail_suitability": 16, "anime_appeal": 12, "japanese_authenticity": 19, "lofi_vibe": 17, "study_context": 9},
      "total": 73,
      "tier": "bronze",
      "notes": "Massive negative space (70%+) ideal for title, calm sumi-e mood, sakura branch, seal stamp. But character is tiny + faceless, low anime-appeal for the demographic, and no study-context (no desk/book scene)."
    },
    {
      "letter": "I",
      "slug": "modern-lofi",
      "filename": "reimu-I-modern-lofi.png",
      "axes": {"thumbnail_suitability": 19, "anime_appeal": 14, "japanese_authenticity": 18, "lofi_vibe": 19, "study_context": 18},
      "total": 88,
      "tier": "silver",
      "notes": "Geometric flat lo-fi with deep navy palette, moon through window, lantern, sakura vase, character reading on tatami. Excellent thumbnail layout with massive left negative space and strong lo-fi mood. Lower anime-appeal (flat illustration vs cel-anime expected by audience)."
    },
    {
      "letter": "J",
      "slug": "risograph",
      "filename": "reimu-J-risograph.png",
      "axes": {"thumbnail_suitability": 18, "anime_appeal": 11, "japanese_authenticity": 17, "lofi_vibe": 14, "study_context": 16},
      "total": 76,
      "tier": "bronze",
      "notes": "Pink+navy risograph print, character at desk reading with vase/lantern, kagura signage. Strong layout and thumbnail suitability. Two-color print look feels niche/zine and reads less as anime to mass audience; pink dominance is not study/calm mood."
    },
    {
      "letter": "K",
      "slug": "tomoko-oshima",
      "filename": "reimu-K-tomoko-oshima.png",
      "axes": {"thumbnail_suitability": 14, "anime_appeal": 14, "japanese_authenticity": 17, "lofi_vibe": 17, "study_context": 11},
      "total": 73,
      "tier": "bronze",
      "notes": "Oshima-style chill engawa scene with crescent moon and lake, muted teal/coral palette is well-suited to lo-fi mood. Sitting pose calm. No study scene (no desk/book), illustration-zine aesthetic less readable as anime to broader audience."
    },
    {
      "letter": "L",
      "slug": "whisper-lived-in",
      "filename": "reimu-L-whisper-lived-in.png",
      "axes": {"thumbnail_suitability": 12, "anime_appeal": 15, "japanese_authenticity": 17, "lofi_vibe": 14, "study_context": 17},
      "total": 75,
      "tier": "bronze",
      "notes": "Lived-in study room with books, cat, daylight, character sitting calmly. Excellent slice-of-life vibe. Centered character, daylight warm palette less night-lo-fi than reference; cat is a nice touch but no clear title space."
    },
    {
      "letter": "M",
      "slug": "only-yesterday-wash",
      "filename": "reimu-M-only-yesterday-wash.png",
      "axes": {"thumbnail_suitability": 16, "anime_appeal": 14, "japanese_authenticity": 17, "lofi_vibe": 16, "study_context": 8},
      "total": 71,
      "tier": "bronze",
      "notes": "Faded-memory watercolor wash with torii in background, character on right looking up. Soft palette is calm. Outdoor shrine setting lacks study/desk context entirely."
    },
    {
      "letter": "N",
      "slug": "kyoani-storybook",
      "filename": "reimu-N-kyoani-storybook.png",
      "axes": {"thumbnail_suitability": 15, "anime_appeal": 16, "japanese_authenticity": 14, "lofi_vibe": 13, "study_context": 6},
      "total": 64,
      "tier": "below",
      "notes": "Soft storybook palette with character in flower field. Pretty but generic European-feeling landscape, no Japanese cultural cues, no study setting. Wrong context for the channel."
    },
    {
      "letter": "O",
      "slug": "korean-webtoon",
      "filename": "reimu-O-korean-webtoon.png",
      "axes": {"thumbnail_suitability": 17, "anime_appeal": 16, "japanese_authenticity": 16, "lofi_vibe": 15, "study_context": 19},
      "total": 83,
      "tier": "silver",
      "notes": "Webtoon pastel with character writing in notebook, cup, sakura, shoji, clear left negative space. Excellent study context and thumbnail layout. Pastel daylight rather than cool night mood; reads slightly Korean-webtoon over Japanese-anime."
    },
    {
      "letter": "P",
      "slug": "cartoon-saloon",
      "filename": "reimu-P-cartoon-saloon.png",
      "axes": {"thumbnail_suitability": 15, "anime_appeal": 14, "japanese_authenticity": 16, "lofi_vibe": 14, "study_context": 10},
      "total": 69,
      "tier": "below",
      "notes": "Wolfwalkers-style line+pencil engawa view of autumn, character sitting calmly. Pretty but daytime warm palette and outdoor setting weaken study/lofi/night feel; line-art look reads more European-illustration than anime."
    },
    {
      "letter": "Q",
      "slug": "persona5-pop",
      "filename": "reimu-Q-persona5-pop.png",
      "axes": {"thumbnail_suitability": 13, "anime_appeal": 15, "japanese_authenticity": 15, "lofi_vibe": 5, "study_context": 4},
      "total": 52,
      "tier": "below",
      "notes": "High-energy red/black/white graphic-pop with halftone shards. Stylish but completely wrong mood for lo-fi study; harsh angular composition contradicts calm-BGM brief."
    },
    {
      "letter": "R",
      "slug": "yumeji-taisho",
      "filename": "reimu-R-yumeji-taisho.png",
      "axes": {"thumbnail_suitability": 16, "anime_appeal": 12, "japanese_authenticity": 18, "lofi_vibe": 14, "study_context": 7},
      "total": 67,
      "tier": "below",
      "notes": "Taisho-roman aesthetic with screen and flowers, melancholic gaze. Strong cultural/artistic personality but anime-fan demographic skews modern; no study scene; muted but not lo-fi-night."
    },
    {
      "letter": "S",
      "slug": "nakahara-shojo",
      "filename": "reimu-S-nakahara-shojo.png",
      "axes": {"thumbnail_suitability": 14, "anime_appeal": 11, "japanese_authenticity": 16, "lofi_vibe": 12, "study_context": 5},
      "total": 58,
      "tier": "below",
      "notes": "Showa shoujo doll-eyed style, retro charm. Aesthetic feels dated for 20-30 anime fans; portrait composition; no study/desk context."
    },
    {
      "letter": "T",
      "slug": "macoto-sparkle",
      "filename": "reimu-T-macoto-sparkle.png",
      "axes": {"thumbnail_suitability": 12, "anime_appeal": 11, "japanese_authenticity": 14, "lofi_vibe": 10, "study_context": 4},
      "total": 51,
      "tier": "below",
      "notes": "Sparkly pink-rose shoujo. Heavy sparkle and rose palette feel dated/wedding-card and clash with lo-fi calm; no study setting."
    },
    {
      "letter": "U",
      "slug": "acrylic-gouache",
      "filename": "reimu-U-acrylic-gouache.png",
      "axes": {"thumbnail_suitability": 17, "anime_appeal": 14, "japanese_authenticity": 17, "lofi_vibe": 13, "study_context": 18},
      "total": 79,
      "tier": "bronze",
      "notes": "Matte acrylic-gouache feel with character writing at desk, books, ink/cup, big red Hi-no-maru sun graphic. Strong study context and layout with clear negative space. Bold red sun graphic dominates and pushes away from lofi-night calm."
    },
    {
      "letter": "V",
      "slug": "sumi-watercolor",
      "filename": "reimu-V-sumi-watercolor.png",
      "axes": {"thumbnail_suitability": 16, "anime_appeal": 13, "japanese_authenticity": 18, "lofi_vibe": 16, "study_context": 5},
      "total": 68,
      "tier": "below",
      "notes": "Splattered ink+watercolor portrait with enso ring, beautiful and authentic. But strict portrait with no environment, no study-cue elements; calligraphic look reads art-print over anime-thumbnail."
    },
    {
      "letter": "W",
      "slug": "yuasa-expressive",
      "filename": "reimu-W-yuasa-expressive.png",
      "axes": {"thumbnail_suitability": 17, "anime_appeal": 15, "japanese_authenticity": 16, "lofi_vibe": 15, "study_context": 16},
      "total": 79,
      "tier": "bronze",
      "notes": "Loose expressive line, character writing/reading at desk with books, mint shadow, shrine details. Good study context and negative space. Loose line-quality and slightly muddied palette less polished than reference cel-anime standard."
    },
    {
      "letter": "X",
      "slug": "okami-brush",
      "filename": "reimu-X-okami-brush.png",
      "axes": {"thumbnail_suitability": 13, "anime_appeal": 14, "japanese_authenticity": 19, "lofi_vibe": 13, "study_context": 6},
      "total": 65,
      "tier": "below",
      "notes": "Okami-style brush+gold-cloud Japanese tableau is gorgeous and very authentic. Busy decorative background fights title overlay; no study setting; warm palette."
    },
    {
      "letter": "Y",
      "slug": "mezzotint",
      "filename": "reimu-Y-mezzotint.png",
      "axes": {"thumbnail_suitability": 10, "anime_appeal": 10, "japanese_authenticity": 15, "lofi_vibe": 9, "study_context": 4},
      "total": 48,
      "tier": "below",
      "notes": "Dark mezzotint portrait emerging from black. Moody but oppressive, low-key noir mood is wrong for calm study BGM; cropped square aspect ratio; no study elements."
    },
    {
      "letter": "Z",
      "slug": "sosaku-hanga",
      "filename": "reimu-Z-sosaku-hanga.png",
      "axes": {"thumbnail_suitability": 14, "anime_appeal": 12, "japanese_authenticity": 18, "lofi_vibe": 14, "study_context": 6},
      "total": 64,
      "tier": "below",
      "notes": "Sosaku-hanga woodblock print with Mt Fuji, teal/mustard. Cultural/artistic strength, but portrait without study-context and woodblock aesthetic less recognizable as anime."
    },
    {
      "letter": "AA",
      "slug": "tsushima-cinematic",
      "filename": "reimu-AA-tsushima-cinematic.png",
      "axes": {"thumbnail_suitability": 14, "anime_appeal": 16, "japanese_authenticity": 18, "lofi_vibe": 7, "study_context": 4},
      "total": 59,
      "tier": "below",
      "notes": "Ghost-of-Tsushima cinematic sunset with red maple and pagoda. Beautiful but high-drama warm palette and outdoor cinematic energy is wrong for calm lo-fi study mood."
    },
    {
      "letter": "AB",
      "slug": "yuko-shimizu-ink",
      "filename": "reimu-AB-yuko-shimizu-ink.png",
      "axes": {"thumbnail_suitability": 18, "anime_appeal": 14, "japanese_authenticity": 18, "lofi_vibe": 16, "study_context": 15},
      "total": 81,
      "tier": "silver",
      "notes": "Yuko Shimizu editorial ink: character at desk with lantern/books, sakura branch on left, crescent moon, big left negative space. Excellent layout. Editorial ink line less polished/glossy than mainstream cel-anime expectation."
    },
    {
      "letter": "AC",
      "slug": "copic-marker",
      "filename": "reimu-AC-copic-marker.png",
      "axes": {"thumbnail_suitability": 18, "anime_appeal": 17, "japanese_authenticity": 17, "lofi_vibe": 17, "study_context": 18},
      "total": 87,
      "tier": "silver",
      "notes": "Copic-marker with bloom-grain texture; character writing at desk, sakura, lantern, moon-window, clear left third for title. Strong all-axis performance. Slightly warmer/lighter than the reference cool-night, but very channel-compatible."
    },
    {
      "letter": "AD",
      "slug": "vhs-cel",
      "filename": "reimu-AD-vhs-cel.png",
      "axes": {"thumbnail_suitability": 12, "anime_appeal": 15, "japanese_authenticity": 16, "lofi_vibe": 16, "study_context": 5},
      "total": 64,
      "tier": "below",
      "notes": "90s-OVA VHS look, sunset gradient sky, calm pose. Distinct retro charm but cropped/letterbox feel, character centered, no desk/study cue, scan-line aesthetic niche."
    },
    {
      "letter": "AE",
      "slug": "mononoke-nature",
      "filename": "reimu-AE-mononoke-nature.png",
      "axes": {"thumbnail_suitability": 13, "anime_appeal": 14, "japanese_authenticity": 19, "lofi_vibe": 13, "study_context": 5},
      "total": 64,
      "tier": "below",
      "notes": "Dense Mononoke-style forest shrine, character resting on stone. Atmospheric but dark/cluttered background fights title overlay; no study setting; mossy outdoor mood not study-BGM."
    },
    {
      "letter": "AF",
      "slug": "kaguya-sketch",
      "filename": "reimu-AF-kaguya-sketch.png",
      "axes": {"thumbnail_suitability": 18, "anime_appeal": 15, "japanese_authenticity": 17, "lofi_vibe": 17, "study_context": 17},
      "total": 84,
      "tier": "silver",
      "notes": "Kaguya-style sketchbook wash with character reading at window-desk, lantern, pagoda mist on left, big negative space, calm posture. Strong study/lofi context. Sketch-line aesthetic slightly less crisp than cel-anime reference but very compatible."
    },
    {
      "letter": "AG",
      "slug": "spirited-away",
      "filename": "reimu-AG-spirited-away.png",
      "axes": {"thumbnail_suitability": 11, "anime_appeal": 16, "japanese_authenticity": 18, "lofi_vibe": 9, "study_context": 4},
      "total": 58,
      "tier": "below",
      "notes": "Spirited-Away theme-park sunset with lanterns, dramatic. Magenta sunset is high-energy not calm; no study scene; busy backgrounds fight title."
    },
    {
      "letter": "AH",
      "slug": "picture-book",
      "filename": "reimu-AH-picture-book.png",
      "axes": {"thumbnail_suitability": 18, "anime_appeal": 14, "japanese_authenticity": 17, "lofi_vibe": 16, "study_context": 17},
      "total": 82,
      "tier": "silver",
      "notes": "Naive picture-book pen-line with character sketching/writing at desk, pencils-cup, shrine through window, big left negative space. Solid layout and study context. Looser line less polished than cel-anime mainstream."
    },
    {
      "letter": "AI",
      "slug": "charcoal-wash",
      "filename": "reimu-AI-charcoal-wash.png",
      "axes": {"thumbnail_suitability": 12, "anime_appeal": 12, "japanese_authenticity": 14, "lofi_vibe": 13, "study_context": 4},
      "total": 55,
      "tier": "below",
      "notes": "Smoky charcoal+watercolor portrait, melancholic noir. Atmospheric but oppressive; portrait-only without study elements; no Japanese-place cues."
    },
    {
      "letter": "AJ",
      "slug": "takabatake-doll",
      "filename": "reimu-AJ-takabatake-doll.png",
      "axes": {"thumbnail_suitability": 15, "anime_appeal": 12, "japanese_authenticity": 16, "lofi_vibe": 14, "study_context": 7},
      "total": 64,
      "tier": "below",
      "notes": "Takabatake-style velveteen Showa doll. Cultured but old-fashioned for 20-30 demographic; no study scene; lampshade hints interior but no desk."
    },
    {
      "letter": "AK",
      "slug": "editorial-flat",
      "filename": "reimu-AK-editorial-flat.png",
      "axes": {"thumbnail_suitability": 18, "anime_appeal": 12, "japanese_authenticity": 16, "lofi_vibe": 15, "study_context": 17},
      "total": 78,
      "tier": "bronze",
      "notes": "NYTimes-style flat-geo with character writing at desk, brush-cup, big left negative space. Excellent layout and study context. Flat-illustration aesthetic skews magazine-editorial rather than anime - lower demographic match."
    },
    {
      "letter": "AL",
      "slug": "aogachou-nihonga",
      "filename": "reimu-AL-aogachou-nihonga.png",
      "axes": {"thumbnail_suitability": 14, "anime_appeal": 15, "japanese_authenticity": 19, "lofi_vibe": 13, "study_context": 5},
      "total": 66,
      "tier": "below",
      "notes": "Aogachou-style modern nihonga with kitsune, gold-leaf clouds, koi. Very Japanese and artful. Decorative dense background fights title overlay; no study setting; mystic-yokai mood not study-calm."
    }
  ],
  "top_5": ["E", "I", "AC", "AF", "O"],
  "tier_distribution": {
    "gold": 1,
    "silver": 5,
    "bronze": 11,
    "below": 21
  },
  "summary": "Style E (channel-matched) is the only Gold-tier pick at 95/100, essentially indistinguishable from existing channel references. Silver tier (80-89) supplies the alt-variant pool: I (modern lo-fi flat), AC (Copic marker), AF (Kaguya sketchbook), AH (picture-book), O (Korean webtoon), and AB (Yuko Shimizu ink). For mass production across 5 Touhou games, E is the recommended primary style; AC and I are the strongest secondary options if visual variety is desired between games. The 4 reference thumbnails were used purely as calibration anchors and not scored."
}