:root{color-scheme:dark;--bg:#11171e;--panel:#19222c;--line:#34414e;--text:#eff2f5;--muted:#a1afbd;--gold:#e5c48a;--blue:#9dcde0}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.75 'Yu Gothic','Hiragino Kaku Gothic ProN',Meiryo,sans-serif}a{color:inherit}button,input,select{font:inherit}button,a,input,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{opacity:.45;cursor:default}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--gold);outline-offset:5px}[hidden]{display:none!important}.site-header{max-width:1360px;margin:auto;min-height:100px;display:flex;align-items:center;justify-content:space-between;padding:20px 48px;border-bottom:1px solid var(--line)}.site-brand{display:flex;align-items:center;gap:13px;text-decoration:none;font:25px/1.2 Georgia,serif;letter-spacing:3px}.brand-mark{color:var(--gold);font-size:43px}.site-brand em{font-style:normal;color:var(--gold)}.site-brand small{display:block;margin-top:5px;font:9px/1.5 sans-serif;letter-spacing:4px;color:var(--muted)}.site-header nav{display:flex;align-items:center;gap:30px;font-size:13px}.site-header nav a{text-decoration:none;color:var(--muted)}.site-header nav a:hover,.site-header nav a[aria-current]{color:var(--gold)}.home-main{max-width:1220px;margin:auto;padding:0 48px}.home-intro{display:flex;justify-content:space-between;align-items:center;gap:40px;padding:76px 0 68px}.eyebrow{font:10px/1.5 sans-serif;letter-spacing:2.4px;color:var(--gold);margin:0 0 20px}h1,h2,h3,p{margin-top:0}.home-intro h1{font:500 clamp(34px,4.3vw,56px)/1.5 'Yu Mincho',Georgia,serif;letter-spacing:.09em;margin:0 0 22px}.home-intro h1 span{color:var(--gold)}.intro-copy{color:var(--muted);line-height:2;margin:0}.intro-note{border-left:1px solid var(--line);padding:18px 0 18px 35px;min-width:220px}.local-icon{font-size:28px;color:var(--gold)}.intro-note p{font-size:17px;margin:10px 0}.intro-note small{color:var(--muted);font-size:11px}.section-heading{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:24px}.section-heading h2{font-size:18px;font-weight:500;margin:0}.section-heading>span{font:10px sans-serif;letter-spacing:2px;color:var(--muted)}.tool-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}.tool-card{display:block;text-decoration:none;background:var(--panel);border:1px solid var(--line);border-radius:7px;overflow:hidden;transition:border-color .2s,transform .2s}.tool-card:hover{border-color:var(--gold);transform:translateY(-4px)}.tool-art{position:relative;height:270px;overflow:hidden}.card-art{background:radial-gradient(ellipse at center,#3d3740,#242630 70%);display:flex;align-items:center;justify-content:center;padding:40px 50px}.card-art img{width:100%;height:auto;max-height:195px;object-fit:contain;transform:rotate(-5deg);filter:drop-shadow(0 15px 15px #0008)}.art-label{position:absolute;left:24px;top:19px;font:9px sans-serif;letter-spacing:1.6px;color:#d0c3b6}.art-count{position:absolute;right:20px;bottom:18px;font:9px sans-serif;letter-spacing:2px;color:var(--gold)}.photo-art>img{width:100%;height:100%;object-fit:cover;filter:brightness(.82) saturate(.75)}.photo-art>.photo-art-enhanced{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;clip-path:inset(0 0 0 50%);filter:brightness(1.14) saturate(1.3)}.split-line{position:absolute;top:0;bottom:0;left:50%;width:1px;background:#fff9;display:flex;align-items:center;justify-content:center}.split-line span{display:grid;place-items:center;background:#eee7dc;color:#28333e;font-size:18px;border-radius:50%;min-width:30px;height:30px;box-shadow:0 2px 14px #0006}.before-label,.after-label{position:absolute;bottom:18px;font:9px sans-serif;letter-spacing:2px;background:#10171dc9;padding:5px 9px}.before-label{left:20px}.after-label{right:20px;color:var(--gold)}.tool-info{padding:28px 30px}.tool-kicker{font:10px sans-serif;letter-spacing:1.8px;color:var(--gold);margin-bottom:14px}.tool-info h3{display:flex;justify-content:space-between;gap:10px;font-size:19px;font-weight:500;letter-spacing:.025em;margin-bottom:14px}.tool-info h3>span{font-size:24px;color:var(--gold)}.tool-info p{font-size:13px;color:var(--muted);line-height:1.95;margin-bottom:20px}.tool-tags{display:flex;flex-wrap:wrap;gap:8px;font-size:10px;color:#bdc9d3}.tool-tags>span{border:1px solid #3d4c5a;padding:3px 8px;border-radius:3px}.tool-action{display:flex;align-items:center;justify-content:space-between;margin-top:26px;padding-top:19px;border-top:1px solid var(--line);color:var(--gold);font-size:13px}.tool-action span{font-size:20px}.home-endnote{color:var(--muted);font-size:12px;text-align:center;padding:40px 0 50px;margin:0}.site-footer{max-width:1360px;margin:auto;padding:28px 48px;border-top:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;gap:24px;color:var(--muted);font-size:11px}.site-footer>span{letter-spacing:1px}.site-footer small{display:block;letter-spacing:0;margin-top:4px;font-size:10px}.site-footer nav{display:flex;flex-wrap:wrap;gap:22px}.site-footer a{text-decoration:none}.site-footer a:hover{color:var(--gold)}
/* Color editor */
.adjust-main{max-width:1440px;margin:auto;padding:36px 40px 46px}.adjust-heading{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:26px}.adjust-heading .eyebrow{margin-bottom:8px}.adjust-heading h1{font-size:27px;letter-spacing:.04em;font-weight:500;margin:0 0 8px}.adjust-heading p:not(.eyebrow){color:var(--muted);font-size:13px;margin:0}.local-pill{font-size:11px;color:var(--gold);white-space:nowrap;border:1px solid #625641;padding:5px 12px;border-radius:20px}.adjust-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:26px;align-items:start}.preview-panel{min-width:0}.preview-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}.preview-title{font-size:12px;color:var(--muted)}.quiet-button{color:var(--muted);border:1px solid var(--line);background:#19222c;padding:6px 12px;border-radius:4px;font-size:12px}.quiet-button:hover{color:var(--text);border-color:#7a8996}.quiet-button[aria-pressed=true]{border-color:var(--gold);color:var(--gold)}.preview-surface{position:relative;min-height:460px;background:#0c1116;border:1px solid var(--line);border-radius:6px;display:flex;align-items:center;justify-content:center;overflow:hidden;padding:24px;outline-offset:3px}.preview-surface.dragover{border-color:var(--gold);background:#232b30}.empty-preview{text-align:center;color:var(--muted);padding:45px 15px}.empty-preview .empty-symbol{display:inline-block;color:var(--gold);font-size:48px;line-height:1;margin-bottom:24px}.empty-preview h2{font-size:21px;font-weight:500;color:var(--text);margin:0 0 10px}.empty-preview p{font-size:12px;line-height:2;margin:0 0 24px}.gold-button{display:inline-flex;justify-content:center;align-items:center;gap:8px;background:var(--gold);border:1px solid var(--gold);color:#18212b;font-weight:700;border-radius:4px;padding:11px 20px;text-decoration:none;font-size:13px}.gold-button:hover:not(:disabled){background:#f1d6a8}.canvas-wrap{width:100%;line-height:0;text-align:center;background:repeating-conic-gradient(#202831 0% 25%,#18212a 0% 50%) 50%/16px 16px;border-radius:3px}#adjustCanvas{max-width:100%;max-height:65vh;width:auto;height:auto}#viewBadge{position:absolute;top:12px;left:12px;border:1px solid #53606b;background:#11171ede;padding:3px 9px;color:var(--text);font-size:10px;pointer-events:none}.image-meta{display:flex;justify-content:space-between;gap:16px;font-size:11px;color:var(--muted);padding:12px 0}.image-meta span:first-child{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:65%}.upload-row{display:flex;align-items:center;gap:16px;margin-top:8px}.upload-row small{font-size:11px;color:var(--muted)}.control-panel{background:var(--panel);border:1px solid var(--line);border-radius:6px;padding:24px}.control-title{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px}.control-title h2{font-size:15px;font-weight:500;margin:0}.link-button{background:none;border:0;padding:0;color:var(--gold);font-size:11px}.adjust-controls{border:0;margin:0;padding:0;min-width:0}.adjust-controls:disabled{opacity:.5}.range-label{display:block;margin-bottom:24px;color:#d4dce3;font-size:12px}.range-heading{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:6px}.range-heading output{font:12px sans-serif;color:var(--gold);font-variant-numeric:tabular-nums}.range-label input{width:100%;margin:10px 0;accent-color:var(--gold);cursor:pointer;height:14px}.range-label.red input{accent-color:#dd9189}.range-label.green input{accent-color:#8fc6a2}.range-label.blue input{accent-color:#8eb8e3}.range-caption{display:flex;justify-content:space-between;font-size:9px;color:var(--muted)}.rgb-title{border-top:1px solid var(--line);padding-top:20px;margin:8px 0 20px;font-size:11px;letter-spacing:.08em;color:var(--muted)}.color-dot{width:6px;height:6px;border-radius:50%;display:inline-block;margin-right:8px;vertical-align:middle}.red .color-dot{background:#dd9189}.green .color-dot{background:#8fc6a2}.blue .color-dot{background:#8eb8e3}.preset-row{display:flex;gap:8px;margin-bottom:20px}.preset-row button{flex:1;background:#212d38;border:1px solid #465665;color:var(--text);border-radius:3px;padding:7px 0;font-size:11px}.preset-row button:hover{border-color:var(--gold)}.export-options{border-top:1px solid var(--line);padding-top:20px;margin-top:4px}.export-options label{display:flex;align-items:center;justify-content:space-between;color:var(--muted);font-size:11px;margin-bottom:14px}.export-options select{background:#121a22;border:1px solid #485866;color:var(--text);border-radius:4px;padding:5px 8px;font-size:12px}.save-button{width:100%}.export-note{color:var(--muted);font-size:10px;line-height:1.9;margin:10px 0 0}.processing-note{font-size:11px;color:var(--gold);min-height:20px;margin:14px 0 0}#adjustError{background:#392b2d;border:1px solid #a16b6b;color:#f1cdcb;padding:10px 14px;border-radius:4px;font-size:12px;margin:0 0 16px}.guide-row{display:flex;gap:26px;justify-content:space-between;border-top:1px solid var(--line);padding-top:20px;margin-top:30px;color:var(--muted);font-size:11px}.guide-row strong{color:var(--text);font-weight:500;margin-right:8px}.file-input{position:absolute;width:1px;height:1px;clip-path:inset(50%);overflow:hidden}
@media(max-width:900px){.site-header{padding:18px 28px}.home-main{padding:0 28px}.home-intro{padding:50px 0;gap:20px}.intro-note{padding-left:20px;min-width:185px}.tool-art{height:210px}.card-art{padding:35px 28px}.tool-info{padding:24px}.tool-info h3{font-size:19px}.tool-grid{gap:20px}.adjust-main{padding:26px 24px}.adjust-layout{grid-template-columns:minmax(0,1fr) 270px;gap:18px}.control-panel{padding:20px}.preview-surface{min-height:400px;padding:14px}.site-footer{padding:26px 28px}.guide-row{flex-wrap:wrap}}
@media(max-width:650px){.site-header{min-height:78px;padding:14px 20px}.site-brand{font-size:21px;gap:8px}.brand-mark{font-size:35px}.site-header nav{gap:16px;font-size:10px}.home-main{padding:0 20px}.home-intro{display:block;padding:40px 0}.home-intro h1{font-size:34px}.eyebrow{font-size:8px;letter-spacing:1.5px}.intro-copy{font-size:13px}.intro-note{display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin-top:27px;border-left:0;border-top:1px solid var(--line);padding:18px 0 0}.intro-note p{font-size:12px;margin:0}.intro-note p br{display:none}.intro-note small{width:100%;margin-left:30px}.local-icon{font-size:23px}.section-heading h2{font-size:16px}.tool-grid{grid-template-columns:1fr;gap:24px}.tool-art{height:235px}.card-art{padding:38px 40px}.tool-info h3{font-size:21px}.site-footer{display:block;padding:22px 20px}.site-footer nav{margin-top:16px;gap:16px;font-size:10px}.home-endnote{padding:30px 0}.adjust-main{padding:24px 16px}.adjust-heading{display:block;margin-bottom:22px}.adjust-heading h1{font-size:24px}.adjust-heading p:not(.eyebrow){font-size:11px}.local-pill{display:inline-block;margin-top:16px}.adjust-layout{grid-template-columns:1fr;gap:24px}.preview-surface{min-height:260px;padding:10px}.empty-preview{padding:22px 8px}.empty-preview h2{font-size:19px}#adjustCanvas{max-height:55vh}.control-panel{padding:22px}.range-label{margin-bottom:22px}.guide-row{gap:12px;margin-top:24px}.upload-row{gap:12px}.upload-row small{font-size:10px}.upload-row .quiet-button{white-space:nowrap}.preview-toolbar{font-size:11px}.empty-preview p{font-size:11px}.tool-card:hover{transform:none}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}

@media(min-width:651px) and (max-width:1050px){.tool-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}