:root{--bg:#f6f7f3;--surface:#fff;--surface-soft:#edf1ea;--text:#1f2420;--muted:#667069;--line:#d9ded7;--accent:#6f8f7e;--accent-strong:#405f51;--signal:#9a7f49;--night:#202822;--radius:8px;--shadow:0 24px 70px #1f242017;--font-body:Arial, "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif}*{box-sizing:border-box}html{background:var(--bg);min-width:320px}body{color:var(--text);background:var(--bg);font-family:var(--font-body);margin:0;line-height:1.6}a{color:inherit;text-decoration:none}.site-header{z-index:10;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);background:#ffffffd1;border-bottom:1px solid #dfe5eed1;justify-content:space-between;align-items:center;gap:24px;padding:16px clamp(20px,5vw,64px);display:flex;position:sticky;top:0}.brand,.nav-links{align-items:center;display:flex}.brand{color:var(--text);white-space:nowrap;gap:10px;font-weight:800}.brand-mark{background:radial-gradient(circle at 50% 40%, #fff 0 18%, transparent 19%), linear-gradient(145deg, 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0;display:grid}.orbital-mark{place-items:center;width:min(100%,680px);min-height:220px;display:grid;position:relative}.orbital-mark-compact{width:min(100%,280px);min-height:92px}.orbital-mark-compact .orbit-ring-one{width:min(100%,260px);height:74px}.orbital-mark-compact .orbit-ring-two{width:min(90%,228px);height:62px}.orbital-mark-compact .orbit-ring-three{width:min(74%,186px);height:48px}.orbital-mark-compact .orbit-dot-one{top:16px;right:10%}.orbital-mark-compact .orbit-dot-two{bottom:14px;left:12%}.orbital-mark-compact .orbit-dot-three{bottom:10px;right:20%}.orbit-ring,.orbit-dot{pointer-events:none;position:absolute}.orbit-ring{transform:translate(-50%, -50%) rotate(var(--rotation));border:1.5px solid #405f5161;border-radius:999px;inset:50% auto auto 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p:first-child{color:#28322c;font-size:1.22rem;font-weight:400}.tagline-mobile{display:none}.brand-video-frame{aspect-ratio:16/9;border-radius:var(--radius);background:linear-gradient(180deg, #ffffffbd, #f7f8f4d1), var(--surface);border:1px solid #d9ded7eb;width:min(100%,760px);position:relative;overflow:hidden;box-shadow:0 24px 70px #1f24201c,inset 0 1px #ffffffe6}.brand-video{object-fit:cover;background:var(--surface-soft);width:100%;height:100%;display:block}.brand-video-play{cursor:pointer;background:radial-gradient(circle,#ffffff2e,#f6f7f314 34%,#1f242024);border:0;place-items:center;display:grid;position:absolute;inset:0}.brand-video-play span{background:linear-gradient(#ffffffdb,#f7f8f4b8);border:1px solid #ffffffb8;border-radius:999px;width:74px;height:74px;transition:transform .18s,box-shadow .18s;position:relative;box-shadow:0 18px 46px #1f242033,inset 0 1px #fffffff0}.brand-video-play span:before{content:"";border-top:13px solid #0000;border-bottom:13px solid 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0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.otsuki-showcase{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;width:min(100%,760px);display:grid}.otsuki-card{border-radius:var(--radius);background:linear-gradient(180deg, #ffffffe0, #fafbf8e6), var(--surface);border:1px solid #d9ded7f5;align-content:start;justify-items:center;gap:20px;padding:34px 30px 30px;display:grid;position:relative;overflow:hidden;box-shadow:0 28px 70px #1f24201a,inset 0 1px #ffffffe6}.otsuki-card:before{content:none}.otsuki-card>*{position:relative}.otsuki-card h2{color:#202822;font-size:3rem;font-weight:900;line-height:1}.otsuki-title,.otsuki-note{color:var(--muted);margin:0}.otsuki-title{color:#3d463f;font-weight:800}.otsuki-note{text-align:center;grid-column:1/-1;justify-self:center;max-width:430px;font-size:.95rem}.site-footer{border-top:1px solid var(--line);text-align:center;background:#ffffffb8;gap:4px;padding:24px 20px 30px;display:grid}.site-footer p{color:var(--muted);margin:0;font-size:.86rem;font-weight:800}.site-footer a{color:var(--accent-strong);font-weight:900}.site-footer a:hover{color:var(--accent)}.site-footer span{color:#7a837d;margin-left:8px;font-weight:700}.lead{color:#ffffffd1;max-width:690px;margin:22px 0 0;font-size:clamp(1rem,2.5vw,1.2rem)}.hero-actions{flex-wrap:wrap;gap:12px;margin-top:34px;display:flex}.tagline{max-width:820px;color:var(--signal);margin:18px 0 0;font-size:clamp(1.25rem,3vw,2rem);font-weight:900;line-height:1.35}.primary-action,.secondary-action{border-radius:var(--radius);justify-content:center;align-items:center;min-height:48px;padding:12px 22px;font-weight:800;transition:box-shadow .16s,transform .16s;display:inline-flex}.primary-action{color:#fff;background:linear-gradient(135deg,#405f51,#6f8f7e);box-shadow:0 16px 34px #405f5133,inset 0 1px #ffffff3d}.primary-action:hover{transform:translateY(-1px);box-shadow:0 20px 40px 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100%);background:linear-gradient(#facc1547,#facc1500);width:clamp(150px,22vw,260px);height:58%;position:absolute;bottom:12%;right:clamp(64px,18vw,250px)}.section{width:min(1120px,100% - 40px);margin:0 auto;padding:76px 0}.section-heading{margin-bottom:28px}.intro-section p{max-width:720px;color:var(--muted);margin:0 0 16px;font-size:1.05rem}.split-layout{grid-template-columns:minmax(0,1.35fr) minmax(280px,.65fr);align-items:start;gap:28px;display:grid}.statement-panel{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow);gap:8px;padding:24px;display:grid}.statement-panel span{color:var(--muted);text-transform:uppercase;font-size:.78rem;font-weight:800}.statement-panel strong{margin-bottom:10px;font-size:1.1rem}.feature-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;display:grid}.feature-card,.roadmap-panel,.upload-placeholder,.signal-item{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow)}.feature-card{padding:28px}.feature-number{color:var(--accent);margin-bottom:34px;font-weight:900;display:block}.feature-card p,.roadmap-panel p,.upload-placeholder p,.signal-item p{color:var(--muted);margin:0}.muted-section{background:var(--surface-soft);width:100%;padding-inline:max(20px,50% - 560px)}.pill-list{flex-wrap:wrap;gap:10px;margin:0 0 22px;padding:0;list-style:none;display:flex}.pill-list li{border:1px solid var(--line);background:var(--surface);color:var(--muted);border-radius:999px;padding:9px 12px;font-weight:700}.roadmap-panel{padding:26px}.roadmap-panel ul{color:var(--muted);grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 22px;margin:14px 0 0;padding-left:20px;display:grid}.product-band{color:#fff;background:linear-gradient(90deg,#0a152ff0,#0f766ed1),linear-gradient(135deg,#0f172a,#0f766e);grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:24px;padding:64px max(20px,50% - 560px);display:grid}.product-band .lead{color:var(--signal);font-weight:900}.product-band p:not(.eyebrow,.lead){color:#ffffffc7;max-width:680px;margin:14px 0 0}.checker-page{width:min(1040px,100% - 40px);margin:0 auto;padding:48px 0 96px}.checker-hero{text-align:center;justify-items:center;gap:10px;margin-bottom:22px;display:grid}.ohtsuki-brand-mark{width:min(100%,200px)}.ohtsuki-brand-mark .orbital-mark-compact{width:100%;min-height:64px;overflow:visible}.ohtsuki-brand-mark .orbital-mark-compact .orbit-ring-one{width:min(100%,178px);height:48px}.ohtsuki-brand-mark .orbital-mark-compact .orbit-ring-two{width:min(90%,154px);height:40px}.ohtsuki-brand-mark .orbital-mark-compact .orbit-ring-three{width:min(74%,122px);height:30px}.ohtsuki-brand-mark .orbital-mark-compact .orbit-dot-one{top:9px;right:12%}.ohtsuki-brand-mark .orbital-mark-compact .orbit-dot-two{bottom:10px;left:12%}.ohtsuki-brand-mark .orbital-mark-compact .orbit-dot-three{bottom:8px;right:20%}.ohtsuki-brand-text{z-index:1;color:#243029;letter-spacing:0;text-wrap:balance;place-items:center;font-size:.88rem;font-weight:900;line-height:1;display:grid;position:absolute;inset:0}.checker-hero .lead{color:var(--muted)}.checker-hero .tagline{color:var(--accent-strong)}.lead-list{color:var(--muted);text-align:left;gap:8px;margin:18px auto 0;padding-left:20px;display:grid}.ohtsuki-tool{gap:24px;width:min(100%,920px);margin:0 auto;display:grid}.input-panel,.analysis-card{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow)}.checker-grid{grid-template-columns:1fr;align-items:start;gap:22px;display:grid}.input-panel{gap:18px;padding:22px;display:grid}.upload-zone{border:1px dashed var(--accent);border-radius:var(--radius);text-align:center;background:linear-gradient(135deg, #0f766e14, #facc1524), var(--surface);cursor:pointer;place-items:center;gap:10px;min-height:260px;padding:36px;display:grid;position:relative}.upload-zone input{opacity:0;cursor:pointer;width:100%;height:100%;position:absolute;inset:0}.upload-zone strong{font-size:1.5rem}.upload-zone span:last-child{color:var(--muted)}.upload-zone-has-image{background:#0f172a;overflow:hidden}.upload-preview{object-fit:contain;background:#0f172a;width:100%;height:100%;position:absolute;inset:0}.upload-overlay{z-index:1;border-radius:var(--radius);color:#fff;text-align:center;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#0f172aad;justify-items:center;gap:4px;padding:16px 20px;display:grid;position:relative}.upload-overlay strong{font-size:1.08rem}.upload-overlay span:last-child{color:#fffc;font-size:.9rem}.field-grid{gap:14px;display:grid}.field-grid label{gap:7px;display:grid}.field-grid label span,.checkbox-field{color:var(--muted);font-size:.92rem;font-weight:800}.field-grid input,.field-grid textarea{border:1px solid var(--line);border-radius:var(--radius);width:100%;min-width:0;color:var(--text);font:inherit;background:#fff;padding:12px 13px}.field-grid input::placeholder,.field-grid textarea::placeholder{color:#7b857e}.field-grid textarea{resize:vertical}.field-grid input:focus,.field-grid textarea:focus{border-color:var(--accent);outline:2px solid #39d6bb5c}.checkbox-field{align-items:flex-start;gap:10px;display:flex}.checkbox-field input{width:18px;height:18px;accent-color:var(--accent);margin-top:3px}.form-error{color:#fecaca;margin:0;font-weight:800}.analyze-button{cursor:pointer;width:100%;font:inherit;border:0}.analyze-button:disabled{cursor:not-allowed;opacity:.55}.upload-placeholder{text-align:center;background:linear-gradient(135deg, #0f766e14, #facc1524), var(--surface);place-items:center;min-height:280px;padding:36px;display:grid}.placeholder-icon{border:2px dashed var(--accent);background:radial-gradient(circle at 50% 42%, var(--signal) 0 10%, transparent 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h2{font-size:clamp(1.55rem,4vw,2.35rem)}.analysis-card p{color:var(--muted);margin:0}.analysis-card.verdict-confirmed_ai{background:linear-gradient(135deg, #facc151f, #39d6bb0d), var(--surface);border-color:#facc158c}.analysis-card.verdict-high{border-color:#facc156b}.analysis-card.verdict-medium{border-color:#39d6bb61}.analysis-card.verdict-low{border-color:#7cf5df4d}.analysis-card.verdict-unknown{border-color:#aab3c26b}.result-facts{gap:10px;margin:0;display:grid}.result-facts div{border-top:1px solid var(--line);grid-template-columns:130px minmax(0,1fr);gap:12px;padding-top:10px;display:grid}.result-facts dt{color:var(--muted);font-weight:800}.result-facts dd{overflow-wrap:anywhere;min-width:0;margin:0}.analysis-section{border-top:1px solid var(--line);gap:8px;padding-top:16px;display:grid}.analysis-section h3{margin:0;font-size:1rem}.compact-list{color:var(--muted);gap:8px;margin:0;padding-left:20px;display:grid}.policy-note{border-radius:var(--radius);background:#39d6bb14;padding:12px}.result-summary dl{gap:10px;margin:22px 0 0;display:grid}.result-summary dl div{border-top:1px solid var(--line);grid-template-columns:96px minmax(0,1fr);gap:12px;padding-top:10px;display:grid}.result-summary dt{color:var(--muted);font-weight:800}.result-summary dd{overflow-wrap:anywhere;min-width:0;margin:0}.checker-section{width:100%;padding-bottom:32px}.signal-list{gap:14px;margin:0;padding:0;list-style:none;display:grid}.signal-list li{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow);color:var(--muted);padding:16px 18px;font-weight:700}.signal-item{align-items:center;gap:12px;padding:18px;display:flex}.signal-item span{background:var(--accent);border-radius:50%;flex:none;width:12px;height:12px;box-shadow:0 0 0 5px 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9px;font-size:.72rem;font-weight:900;display:inline-flex}.ruppelt-result-bar{color:var(--muted);justify-content:space-between;align-items:center;gap:12px;font-weight:900;display:flex}.ruppelt-result-actions{flex-wrap:wrap;gap:8px;display:flex}.ruppelt-view-toggle{border:1px solid var(--line);background:#fffc;border-radius:999px;align-items:center;gap:4px;padding:4px;display:inline-flex}.ruppelt-view-toggle button{min-height:32px;color:var(--muted);font:inherit;cursor:pointer;background:0 0;border:0;border-radius:999px;padding:0 12px;font-size:.8rem;font-weight:900}.ruppelt-view-toggle button[aria-pressed=true]{color:#fff;background:var(--accent-strong)}.ruppelt-result-bar button,.ruppelt-card-actions button,.ruppelt-card-actions a{border:1px solid var(--line);border-radius:var(--radius);min-height:38px;color:var(--accent-strong);background:var(--surface);font:inherit;cursor:pointer;justify-content:center;align-items:center;padding:0 12px;font-size:.86rem;font-weight:900;display:inline-flex}.ruppelt-card-actions{grid-template-columns:repeat(auto-fit,minmax(88px,1fr));gap:8px;display:grid}.ruppelt-card-actions button,.ruppelt-card-actions a{width:100%}.ruppelt-result-bar button[aria-pressed=true],.ruppelt-card-actions button[aria-pressed=true]{color:#fff;border-color:var(--accent-strong);background:var(--accent-strong)}.ruppelt-card-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;display:grid}.ruppelt-card-grid--list{grid-template-columns:minmax(0,1fr);justify-items:stretch;gap:10px}.ruppelt-card-grid--list .ruppelt-card{width:100%}.ruppelt-carousel-shell{gap:10px;padding-top:6px;scroll-margin-top:150px;display:grid}.ruppelt-carousel-hint{color:var(--muted);margin:0;font-size:.84rem;font-weight:700}.ruppelt-carousel{--ruppelt-carousel-card-width:min(76vw, 520px);--ruppelt-carousel-edge:max(18px, calc((100% - var(--ruppelt-carousel-card-width)) / 2));padding:14px var(--ruppelt-carousel-edge) 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10px;font-size:.76rem;font-weight:900;line-height:1;display:inline-flex}.ruppelt-card h2{color:#141c18;font-size:1.04rem;line-height:1.2}.ruppelt-card-title-ja{color:var(--muted);margin:-6px 0 0;font-size:.82rem;line-height:1.32}.ruppelt-card-thumbnail{border-radius:calc(var(--radius) - 2px);aspect-ratio:16/9;background:#ffffffb8;border:1px solid #6f8f7e24;overflow:hidden}.ruppelt-card-thumbnail img,.ruppelt-card-thumbnail iframe,.ruppelt-card-thumbnail-fallback{width:100%;height:100%;display:block}.ruppelt-card-thumbnail img{object-fit:cover}.ruppelt-card-thumbnail iframe{pointer-events:none;background:#111;border:0}.ruppelt-card-thumbnail--video{background:#111}.ruppelt-card-thumbnail-fallback{color:#7f8a83;background:linear-gradient(135deg,#6f8f7e14,#ffffffeb);place-items:center;font-size:.82rem;font-weight:800;display:grid}.ruppelt-card p{color:var(--muted);margin:0;font-size:.9rem;line-height:1.42}.ruppelt-card-description{min-height:0;padding-bottom:2px}.ruppelt-card-description--expanded{display:block;overflow:visible}.ruppelt-card-description-block{gap:4px;display:grid}.ruppelt-description-toggle{min-height:28px;color:var(--accent-strong);font:inherit;cursor:pointer;background:0 0;border:0;justify-self:start;padding:0;font-size:.78rem;font-weight:900}.ruppelt-description-toggle:hover,.ruppelt-description-toggle:focus-visible{text-decoration:underline}.ruppelt-card dl{border-top:1px solid #6f8f7e1f;gap:6px;margin:0;padding-top:2px;display:grid}.ruppelt-card dl div{gap:1px;display:grid}.ruppelt-card dt{color:#7a837d;font-size:.74rem;font-weight:900}.ruppelt-card dd{color:#29332c;margin:0;font-weight:800}.ruppelt-empty{gap:10px;padding:28px;display:grid}.ruppelt-empty h2{color:#111827;font-size:1.55rem}.ruppelt-empty p{color:var(--muted);margin:0}@media (max-width:980px) and (min-width:761px){.ruppelt-filter-row{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:760px){.site-header{padding:14px 20px}.nav-links{flex-wrap:wrap;gap:12px}.brand-home{padding:48px 18px 64px}.brand-home-inner{gap:34px}.orbital-mark{min-height:168px}.orbit-ring-one{width:min(100%,390px);height:108px}.orbit-ring-two{width:min(92%,350px);height:92px}.orbit-ring-three{width:min(74%,280px);height:72px}.orbit-dot-one{top:30px;right:7%}.orbit-dot-two{bottom:34px;left:10%}.brand-logo{font-size:2.9rem;line-height:1.04}.brand-taglines p:first-child{font-size:1.18rem}.tagline-desktop{display:none}.tagline-mobile{display:inline}.brand-video-play span{width:60px;height:60px}.brand-video-play span:before{border-top-width:11px;border-bottom-width:11px;border-left-width:16px;top:19px;left:25px}.brand-video-controls{bottom:12px;left:12px;right:12px}.brand-video-controls button{min-height:34px;padding-inline:12px;font-size:.78rem}.otsuki-card{padding:22px}.otsuki-card h2{font-size:2.25rem}.otsuki-showcase{grid-template-columns:1fr;justify-self:stretch;width:100%}.primary-action{width:100%}.hero{min-height:560px}.hero-content{padding-top:70px}.feature-grid,.roadmap-panel ul,.signal-list,.split-layout,.checker-grid,.product-band,.result-panel,.ruppelt-card-grid,.ruppelt-filter-row{grid-template-columns:1fr}.ruppelt-controls{margin-inline:-20px;padding-inline:20px}.ruppelt-filter-summary{gap:8px;display:grid}.ruppelt-filter-toggle{justify-self:start}.ruppelt-filter-row{border-radius:var(--radius);background:#ffffffbd;border:1px solid #6f8f7e24;gap:10px;padding:12px;display:none}.ruppelt-filter-row--open{display:grid}.ruppelt-result-bar{flex-direction:column;align-items:stretch}.ruppelt-result-actions,.ruppelt-result-bar button{flex:1}.ruppelt-view-toggle{width:100%}.ruppelt-view-toggle button{flex:1}.ruppelt-carousel{--ruppelt-carousel-card-width:min(76vw, 380px);padding-top:18px}.ruppelt-carousel-item{flex-basis:var(--ruppelt-carousel-card-width);scroll-margin-top:190px}.ruppelt-carousel-shell{scroll-margin-top:190px}.ruppelt-card-topbar{padding-right:48px}.ruppelt-language-switch button{padding-inline:9px}.lead-list{margin-top:14px}.result-facts div{grid-template-columns:1fr;gap:4px}.product-band{justify-items:start}.ufo-body{bottom:70%;right:28px}.ufo-beam{right:64px}}@media (max-width:380px){.brand-home{padding-inline:16px}.brand-logo{font-size:2.45rem}.brand-taglines p:first-child{font-size:1.08rem}.otsuki-card h2{font-size:2rem}}