:root{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Noto Sans JP,Yu Gothic,Meiryo,sans-serif;color:#293b36;background:#f5f3ee;font-synthesis:none;--bg: #f5f3ee;--paper: #fffefa;--ink: #293b36;--muted: #66746d;--line: #dcded5;--accent: #345e4d;--soft: #e8eee7;--error: #a23328;color-scheme:light}:root[data-theme=dark]{--bg: #18231f;--paper: #202e27;--ink: #e7ede4;--muted: #b0bdb2;--line: #415046;--accent: #b5d2b6;--soft: #354a3d;--error: #ffb0a4;color:var(--ink);background:var(--bg);color-scheme:dark}*{box-sizing:border-box}body{margin:0}button,textarea,input{font:inherit}button,a,input{-webkit-tap-highlight-color:transparent}button{cursor:pointer;border:1px solid var(--line);border-radius:8px;background:var(--paper);color:var(--ink);min-height:44px;padding:10px 16px;transition:background .15s,border-color .15s}button:hover:not(:disabled){background:var(--soft);border-color:var(--muted)}button:disabled{opacity:.42;cursor:default}button:focus-visible,a:focus-visible,textarea:focus-visible,input:focus-visible{outline:3px solid var(--accent);outline-offset:4px}.app{max-width:1200px;margin:0 auto;padding:0 48px}.header{height:104px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);gap:16px}.brand{color:var(--ink);text-decoration:none;font-size:21px;font-weight:600;line-height:1.4;overflow-wrap:anywhere}.header-right{display:flex;align-items:center;gap:28px;font-size:12px}.quiet{background:transparent;font-size:12px}.editor{max-width:800px;margin:0 auto;padding:52px 0 24px}.input-card{border:1px solid var(--line);border-radius:12px;background:var(--paper);overflow:hidden;box-shadow:0 5px 24px #20352a04}.text-button{background:transparent;border:none;padding:8px 4px;color:var(--muted);font-size:12px}.text-button:hover:not(:disabled){background:transparent;color:var(--ink);text-decoration:underline}textarea{resize:vertical;min-height:220px;width:100%;display:block;background:transparent;color:var(--ink);border:none;padding:14px 24px;font-size:15px;line-height:1.9}textarea::placeholder{color:var(--muted);opacity:.8}textarea:focus-visible{outline-offset:-4px;border-radius:6px}.input-bottom{border-top:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;padding:4px 24px;color:var(--muted);font-size:11px}.input-note{color:var(--muted);font-size:12px;line-height:1.7;margin:12px 0}.reader-source{display:block;font-size:11px;text-align:right}.start-row{display:flex;justify-content:space-between;gap:20px;align-items:center;margin-top:24px}.privacy{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:12px}.privacy p{margin:0;line-height:1.8}.primary{background:var(--accent);color:var(--paper);border-color:var(--accent);font-weight:600}.primary:hover:not(:disabled){background:var(--ink);color:var(--paper)}.start{min-width:205px;height:54px;display:flex;justify-content:space-between;align-items:center;font-size:14px;padding:0 24px}.storage-row{display:flex;align-items:center;flex-wrap:wrap;column-gap:14px;font-size:11px;color:var(--muted);margin-top:20px}.storage-row label{display:flex;gap:7px;align-items:center;min-height:44px;cursor:pointer}input[type=checkbox]{accent-color:var(--accent);width:16px;height:16px}.save-state{font-size:10px;color:var(--muted)}.message{font-size:12px;line-height:1.8;background:var(--soft);padding:12px 16px;border-radius:6px}.error,.over-limit{color:var(--error)}.is-reading{height:100dvh;display:flex;flex-direction:column}.is-reading .header{height:86px;flex:0 0 86px}.reader{min-height:0;flex:0 1 auto;height:calc(var(--reader-size) * 7.8 + 374px);max-height:calc(100dvh - 86px);display:grid;grid-template-rows:auto minmax(0,1fr) auto;max-width:900px;width:100%;margin:0 auto}.reader-top{display:flex;align-items:center;justify-content:space-between;padding:14px 0;gap:10px}.reader-state{color:var(--muted);font-size:11px;letter-spacing:.08em}.page-number{font-variant-numeric:tabular-nums;font-size:16px;min-width:60px;text-align:right}.page-number span{color:var(--muted);font-size:12px}.reading-paper{min-height:0;position:relative;border:1px solid var(--line);border-radius:12px;padding:clamp(18px,4vw,48px);background:var(--paper)}.viewport{position:relative;width:100%;height:100%;display:flex;align-items:flex-start}.page-text{font-family:Yu Mincho,Hiragino Mincho ProN,"Noto Serif JP",serif;font-size:var(--reader-size);font-weight:500;line-height:1.95;letter-spacing:.045em;overflow-wrap:anywhere;white-space:pre-wrap;margin:0;width:100%}.page-text[hidden]{display:none}.measure{position:absolute;top:0;left:0;visibility:hidden;pointer-events:none}.reader-error{position:absolute;top:10px;right:10px;bottom:10px;left:10px;overflow:auto;display:grid;place-content:center;color:var(--error);font-size:13px;padding:10px;background:var(--paper)}.reader-bottom{padding:24px 0 12px}.progress-label{display:flex;justify-content:space-between;color:var(--muted);font-size:11px;margin-bottom:8px}progress{width:100%;height:3px;border:0;-webkit-appearance:none;-moz-appearance:none;appearance:none;display:block;background:var(--line)}progress::-webkit-progress-bar{background:var(--line)}progress::-webkit-progress-value{background:var(--accent)}progress::-moz-progress-bar{background:var(--accent)}.controls{display:flex;align-items:center;justify-content:center;gap:30px;margin:23px 0 12px}.playback{min-width:180px;height:52px;font-size:14px}.playback>span{margin-right:10px;font-size:12px}.nav-button{background:transparent;border:0;font-size:13px}.nav-button span{margin:0 6px}.reader-meta{display:grid;grid-template-columns:1fr 1fr 1fr;align-items:center;color:var(--muted);font-size:10px;gap:8px}.reader-meta>.control-key{justify-self:start}.reading-speed{justify-self:center;white-space:nowrap;font-variant-numeric:tabular-nums}.reader-save-state{height:22px;line-height:22px;overflow:hidden;text-align:right;color:var(--muted);font-size:10px}.control-key{display:flex;flex-direction:column;align-items:center;gap:3px}.control-key kbd{font:10px ui-monospace,monospace;color:var(--muted);line-height:16px}.ruby-setting{display:flex;align-items:center;gap:12px;font-size:13px;margin:16px 0}.ruby-setting select{background:var(--paper);color:var(--ink);border:1px solid var(--line);border-radius:6px;padding:8px}.page-text ruby{ruby-align:center}.page-text rt{font-size:.5em;line-height:1}.ruby-visible .page-text{padding-top:.6em}.reader-notice{margin:0;font-size:10px;color:var(--muted)}.settings-dialog{width:min(440px,calc(100% - 32px));max-height:calc(100dvh - 32px);padding:28px;background:var(--paper);border:1px solid var(--line);border-radius:14px;color:var(--ink);box-shadow:0 20px 80px #0002}.settings-dialog::backdrop{background:#15231b66}.dialog-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}h2{font-size:18px;font-family:serif;font-weight:500;margin:0}.setting{display:block;margin-bottom:12px;font-size:13px}.setting select{width:100%;padding:10px;margin-top:10px;background:var(--paper);color:var(--ink);border:1px solid var(--line);border-radius:6px}.setting>span{display:flex;align-items:center;justify-content:space-between}.setting strong{font-size:18px;font-weight:500}.setting strong small{font-size:10px;margin-left:5px;color:var(--muted)}input[type=range]{width:100%;height:36px;accent-color:var(--accent);cursor:pointer;margin:2px 0 0}.range-label{color:var(--muted)}.theme-setting{display:flex;justify-content:space-between;align-items:center;font-size:13px}.theme-setting>div{display:flex;gap:6px}.theme-setting button[aria-pressed=true]{border-color:var(--accent);background:var(--soft)}.settings-note{font-size:11px;color:var(--muted);line-height:1.8;margin:8px 0 12px}@media(max-width:640px){.app{padding:0 20px}.header{height:82px}.brand{font-size:15px}.editor{padding-top:32px}textarea{min-height:230px;padding:12px 16px;font-size:14px}.input-bottom{padding:4px 16px;font-size:10px}.start-row{flex-direction:column-reverse;align-items:stretch;gap:16px}.start{width:100%}.privacy{justify-content:center}.storage-row{margin-top:10px;gap:0 10px}.is-reading .header{height:70px;flex-basis:70px}.reader{height:calc(var(--reader-size) * 7.8 + 314px);max-height:calc(100dvh - 70px)}.reader-top{padding:5px 0}.reader-state{font-size:10px}.reading-paper{padding:20px}.reader-bottom{padding-top:16px;padding-bottom:max(8px,env(safe-area-inset-bottom))}.controls{gap:10px;margin:16px 0 5px}.playback{min-width:140px;height:48px}.nav-button{padding:8px}.shortcut{display:none}.reader-meta{flex-wrap:wrap}.reader-meta .save-state{display:none}}@media(max-height:500px){.is-reading .header{flex-basis:52px;height:52px}.reader{max-height:calc(100dvh - 52px)}.reader-top{padding:0}.reading-paper{padding:8px 20px}.reader-bottom{padding:6px 0 0}.progress-label,.reader-meta{display:none}.controls{margin:5px 0}.playback{height:44px}}@media(prefers-reduced-motion:reduce){*{transition:none!important}}.header-right{gap:12px;flex-shrink:0}.kofi-link{color:var(--ink);padding:12px 4px}.toast{position:fixed;top:16px;left:50%;transform:translate(-50%);z-index:100;width:min(560px,calc(100% - 32px));display:flex;align-items:center;gap:12px;padding:10px 16px;border:1px solid var(--line);border-radius:10px;background:var(--paper);box-shadow:0 5px 24px #0003;font-size:13px;line-height:1.7;animation:toast-enter .2s ease-out}.toast button{margin-left:auto;border:0;padding:6px 10px}@keyframes toast-enter{0%{opacity:0;translate:0 -12px}to{opacity:1;translate:0 0}}.control-key{flex-direction:row}.control-key kbd{color:inherit;white-space:nowrap}.reader-meta{display:flex}.footer{text-align:center;padding:12px 0;color:var(--muted);font-size:11px;flex-shrink:0}.is-reading .footer{margin-top:auto}.is-reading .reader{max-height:calc(100dvh - 126px)}.ruby-setting{justify-content:space-between;margin:12px 0}@media(max-width:640px){.controls{gap:4px}.playback{min-width:0;padding:8px}.playback>span{margin-right:2px}.nav-button{padding:8px 2px}.control-key kbd{font-size:9px}.is-reading .reader{max-height:calc(100dvh - 110px)}}@media(max-height:500px){.is-reading .reader{max-height:calc(100dvh - 92px)}}.kofi-button{display:inline-flex;align-items:center;gap:5px;white-space:nowrap;color:var(--paper);background:var(--accent);border-radius:7px;padding:10px 12px;text-decoration:none;font:700 14px Helvetica,sans-serif;box-shadow:1px 1px #0003}.kofi-button img{width:22px;height:15px;object-fit:contain}.controls{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,180px) minmax(0,1fr)}.control-key{justify-content:center;min-width:0}.controls button{white-space:nowrap;width:100%}.playback{min-width:0}.save-state,.reader-save-state{font-size:16px}@media(max-width:640px){.header,.is-reading .header{height:108px;flex-basis:108px;flex-wrap:wrap;gap:4px;padding:10px 0}.header-right{margin-left:auto;gap:8px}.brand{width:100%}.controls{grid-template-columns:minmax(0,1fr) 140px minmax(0,1fr);gap:2px}.controls button{font-size:12px;padding-left:0;padding-right:0}.controls kbd{font-size:8px}.is-reading .reader{max-height:calc(100dvh - 148px)}}@media(max-width:350px){.app{padding-left:10px;padding-right:10px}.controls{grid-template-columns:minmax(0,1fr) 130px minmax(0,1fr)}}@media(max-width:640px){.header-right{gap:6px}.header-right .quiet{padding:8px;font-size:11px}.kofi-button{padding:10px 8px;font-size:12px}}.kofi-button:hover{background:var(--ink)}.vertical-reading .page-text{writing-mode:vertical-rl;text-orientation:mixed;height:calc(100% - 2px);width:100%}.vertical-reading.ruby-visible .page-text{padding-top:0;padding-right:.6em}.writing-setting{margin-top:12px}.is-reading.vertical-reading .reader{height:calc(100dvh - 126px)}.vertical-reading .reading-paper{width:min(100%,max(160px,calc((100dvh - 370px)*.75)));justify-self:center;padding:24px}@media(max-width:640px){.is-reading.vertical-reading .reader{height:calc(100dvh - 148px)}.vertical-reading .reading-paper{padding:20px}}@media(max-height:500px){.vertical-reading .reading-paper{width:min(100%,max(140px,calc((100dvh - 220px)*.75)));padding:8px 16px}}.file-controls{display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin-bottom:12px;font-size:12px}.file-controls label{min-width:0;max-width:100%}.file-controls select{max-width:100%;padding:8px;color:var(--ink);background:var(--paper);border:1px solid var(--line);border-radius:6px}.file-picker{position:relative;display:inline-flex;align-items:center;min-height:44px;border:1px solid var(--line);border-radius:8px;padding:8px 12px;cursor:pointer}.file-picker input{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;opacity:0;cursor:pointer}.file-picker:focus-within{outline:3px solid var(--accent);outline-offset:2px}.file-hint{color:var(--muted)}.storage-row{display:grid;grid-template-columns:minmax(0,1fr) 24px}.storage-row .save-state{justify-self:end}.storage-actions{min-height:44px}.font-gothic .page-text{font-family:Yu Gothic,Hiragino Kaku Gothic ProN,Meiryo,sans-serif}.font-rounded .page-text{font-family:Hiragino Maru Gothic ProN,Yu Gothic,Meiryo,sans-serif}.font-mono .page-text{font-family:MS Gothic,Osaka-Mono,monospace}.vertical-reading .reader-top{padding-top:0;padding-bottom:0}.vertical-reading .reader-bottom{padding-top:10px;padding-bottom:0}.vertical-reading .controls{margin-top:8px;margin-bottom:2px}.vertical-reading .reader-meta{float:left}.vertical-reading .reader-save-state{min-height:44px;line-height:44px}.vertical-reading .reading-paper{padding-top:12px;padding-bottom:12px}.header-right{flex-wrap:wrap;justify-content:flex-end}.header-right .file-picker{font-size:12px;white-space:nowrap}@media(max-width:640px){.header,.is-reading .header{height:auto;min-height:108px;flex-basis:auto}.header-right{width:100%}.header-right .file-picker{font-size:11px;padding:8px}}.paper-slot{min-height:0;display:grid;container-type:size}.is-reading.vertical-reading .reader{flex:1 1 0;height:auto;max-height:none}.vertical-reading .reading-paper{width:min(100cqw,calc(100cqh * 105 / 148));height:min(100cqh,calc(100cqw * 148 / 105));justify-self:center;align-self:start;padding:clamp(24px,4cqh,36px) 20px 20px}.is-reading.vertical-reading .footer{padding-top:6px;padding-bottom:6px}@media(min-width:641px){.is-reading.vertical-reading .header{height:104px;flex-basis:104px}}.is-reading .header{height:104px;flex-basis:104px}.reader{grid-template-rows:minmax(0,1fr) auto;padding-top:52px}.vertical-reading .reader-meta{float:none}@media(max-width:640px){.is-reading .header{height:auto;flex-basis:auto}.reader{padding-top:32px}}.file-menu{position:relative}.file-menu-toggle{display:none}.file-menu-actions{display:flex;align-items:center;gap:12px}@media(max-width:640px){.file-menu-toggle{display:inline-flex;align-items:center;justify-content:center;min-width:44px;font-size:22px!important}.file-menu-actions{display:none;position:absolute;top:calc(100% + 6px);right:0;z-index:20;width:190px;padding:8px;border:1px solid var(--line);border-radius:10px;background:var(--paper);box-shadow:0 6px 20px #0002}.file-menu-actions.is-open{display:flex;flex-direction:column;align-items:stretch;gap:4px}.file-menu-actions .quiet,.file-menu-actions .file-picker{width:100%;text-align:left;justify-content:flex-start}.header-right{flex-wrap:nowrap}}.is-reading{height:auto;min-height:100dvh}.is-reading .reader,.is-reading.vertical-reading .reader{flex:none;height:auto;max-height:none;grid-template-rows:auto auto}.paper-slot{container-type:normal}.reading-paper,.vertical-reading .reading-paper{padding:24px;justify-self:center}@media(max-width:640px){.file-menu{order:2}}.settings-dialog .theme-setting{margin:16px 0;gap:12px;flex-wrap:wrap}.settings-dialog .theme-setting>div{margin-left:auto}
