:root{color:#191c1d;background:#f7f7f4;font-family:Hiragino Sans,Yu Gothic UI,Yu Gothic,sans-serif;font-synthesis:none;letter-spacing:0;--ink: #191c1d;--muted: #686d6c;--line: #d9dcda;--paper: #ffffff;--accent: #ff5b45;--accent-dark: #ce3728;--green: #168463;--warning: #d38a00}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh}button,input,textarea{font:inherit;letter-spacing:0}button{cursor:pointer}[hidden]{display:none!important}.app-shell{min-height:100vh}.app-header{height:64px;padding:0 max(18px,env(safe-area-inset-left));border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;background:#f7f7f4f5;position:sticky;top:0;z-index:20}.brand{color:var(--ink);text-decoration:none;display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px}.brand-mark{width:34px;height:34px;display:grid;place-items:center;background:var(--ink);color:#fff;border-radius:4px}.icon-button{width:42px;height:42px;display:grid;place-items:center;border:1px solid var(--line);background:var(--paper);color:var(--ink);border-radius:6px}.icon-button:hover{border-color:#9ea3a1}.icon-button.danger{color:#bd3024}.icon-button svg,.button svg,.privacy-note svg,.empty-editor svg{width:19px;height:19px;stroke-width:2}main{width:min(1180px,100%);margin:0 auto;padding:44px 24px 80px}.phase-upload{max-width:680px;margin:0 auto}.section-heading{margin-bottom:28px}.section-heading.compact{margin-bottom:18px}.section-heading h1{font-size:clamp(28px,5vw,44px);line-height:1.15;margin:5px 0 10px}.section-heading.compact 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rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.action-bar{margin-top:16px;display:flex;justify-content:space-between;gap:12px}.corner-controls{margin-top:10px;display:grid;grid-template-columns:repeat(4,1fr);gap:6px}.corner-button{min-height:38px;border:1px solid var(--line);background:var(--paper);color:var(--muted);border-radius:5px;font-size:12px;font-weight:700}.corner-button.active{border-color:var(--accent-dark);color:var(--accent-dark);background:#fff4f1}.button{min-height:46px;padding:0 18px;display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:6px;border:1px solid transparent;font-weight:700}.button.primary{background:var(--accent-dark);color:#fff}.button.primary:hover{background:var(--accent-dark)}.button.secondary{background:var(--paper);color:var(--ink);border-color:var(--line)}.button.secondary:hover{border-color:#969b99}.button.ghost{background:transparent;color:var(--ink);border-color:var(--line)}.button.small{min-height:38px;padding:0 12px;font-size:13px}.result-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:18px;align-items:start}.result-layout>*{min-width:0}.result-stage canvas{cursor:pointer}.editor-panel{min-height:320px;background:var(--paper);border:1px solid var(--line);border-radius:6px;padding:18px}.token-list{display:flex;gap:5px;overflow-x:auto;padding-bottom:12px;margin-bottom:14px;border-bottom:1px solid var(--line)}.token-list button{flex:0 0 36px;height:36px;border:1px solid var(--line);background:#fff;border-radius:4px;font-weight:700}.token-list 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#b8bdbb;border-radius:5px;padding:12px;font-size:20px;line-height:1.6;color:var(--ink)}.output-band textarea:focus{outline:3px solid rgba(255,91,69,.2);border-color:var(--accent)}.output-actions{margin-top:12px;display:flex;align-items:center;justify-content:space-between;gap:16px}.output-actions span{color:var(--muted);font-size:13px}.new-image{margin-top:18px}.reference-dialog{width:min(1080px,calc(100vw - 28px));max-height:90vh;padding:0;border:1px solid var(--line);border-radius:8px}.reference-dialog::backdrop{background:#121415b3}.dialog-header{height:60px;padding:0 14px 0 20px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.dialog-header h2{font-size:17px;margin:0}.reference-dialog img{width:100%;display:block}.toast{position:fixed;left:50%;bottom:max(24px,env(safe-area-inset-bottom));transform:translate(-50%);z-index:50;background:var(--ink);color:#fff;padding:12px 18px;border-radius:6px;box-shadow:0 8px 30px #0003;white-space:nowrap}.toast.error{background:#a92f24}@media(max-width:780px){main{padding:28px 14px 60px}.section-heading h1{font-size:30px}.capture-zone{min-height:260px}.result-layout{grid-template-columns:1fr}.editor-panel{min-height:0}.empty-editor{min-height:100px}.result-heading{align-items:center}.kana-grid{grid-template-columns:repeat(10,minmax(22px,1fr))}.output-band{margin-inline:-14px;padding-inline:14px}}@media(max-width:430px){.result-heading .button{width:42px;padding:0;font-size:0}.orientation-control{align-items:stretch;flex-direction:column}.orientation-control .button{width:100%}.candidate-row{grid-template-columns:repeat(4,1fr)}.action-bar .button{flex:1}.toast{max-width:calc(100vw - 28px);white-space:normal;text-align:center}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important}.spinner{animation:none}}