:root{--bg:#fdf7eb;--surface:#fffdf8;--line:#e7dcc7;--line-strong:#cdbd9f;--ink:#1d1a16;--ink-sub:#5e5547;--key-bg:#fffdf5;--key-ink:#1557a8;--key-shadow:#d9ccb3;--key-press:#ffe7a3;--blue:#1e6bd0;--blue-dark:#134f9e;--coral:#e8705c;--coral-pale:#fde6e0;--yellow-pale:#fff2c9;--yellow-line:#ecd27e;--green-pale:#e6f4ea;--sky-pale:#e8f2fa;--pink-pale:#fdecec;--danger:#b3261e;--focus:#f0a500;--radius:12px;--gap:6px;--pad:8px;--font:"Hiragino Maru Gothic ProN", "Hiragino Maru Gothic Pro", "BIZ UDPGothic", "Hiragino Sans", "Noto Sans JP", "Yu Gothic", "Meiryo", "IPAGothic", system-ui, sans-serif;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}*,:before,:after{box-sizing:border-box}html,body,#root{height:100%;margin:0}html{-webkit-text-size-adjust:100%;-moz-text-size-adjust:100%;text-size-adjust:100%}body{background:var(--bg);color:var(--ink);font-family:var(--font);overscroll-behavior:none;touch-action:manipulation;-webkit-tap-highlight-color:transparent;-webkit-user-select:none;user-select:none;-webkit-touch-callout:none;overflow:hidden}button,input,select{font:inherit;color:inherit}button{cursor:pointer;touch-action:manipulation}button:disabled{cursor:default}input,select{-webkit-user-select:text;user-select:text}:focus-visible{outline:3px solid var(--focus);outline-offset:2px}.visually-hidden{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;overflow:hidden;position:absolute!important}.icon{flex:none;width:1.25em;height:1.25em}.app{height:100dvh;padding:max(var(--pad), env(safe-area-inset-top)) max(var(--pad), env(safe-area-inset-right)) max(var(--pad), env(safe-area-inset-bottom)) max(var(--pad), env(safe-area-inset-left));gap:var(--gap);flex-direction:column;display:flex}.app-header{flex:none;justify-content:space-between;align-items:center;gap:8px;display:flex}.brand{align-items:center;gap:8px;min-width:0;display:flex}.brand-icon{border-radius:8px;width:30px;height:30px;box-shadow:0 1px 2px #00000026}.brand h1{letter-spacing:.06em;color:var(--coral);margin:0;font-size:20px}.app-version{color:#8a8172;white-space:nowrap;letter-spacing:.02em;flex:none;align-self:flex-end;margin-bottom:.25em;font-size:12px;line-height:1}.btn-settings{border:1px solid var(--line);background:var(--surface);min-height:34px;color:var(--ink-sub);border-radius:999px;flex:none;align-items:center;gap:4px;padding:4px 12px;font-size:14px;display:inline-flex}.main{gap:var(--gap);flex:1;grid-template:"text""actions""board"minmax(0,1fr)"pager"/minmax(0,1fr);min-height:0;display:grid}.text-area{grid-area:text;min-width:0}.text-panel{height:100%}.text-display{overscroll-behavior:contain;border:2px solid var(--line-strong);border-radius:var(--radius);height:clamp(84px,15dvh,150px);color:var(--ink);white-space:pre-wrap;word-break:break-all;line-break:anywhere;cursor:text;-webkit-overflow-scrolling:touch;background:#fff;padding:8px 12px;font-size:28px;font-weight:700;line-height:1.35;overflow-y:auto}.text-display:focus-visible{outline-offset:0}.placeholder{color:#9a8f7c;pointer-events:none;font-size:.62em;font-weight:400}.ch.space{background:linear-gradient(#0000 82%,#d8cdb8 82% 90%,#0000 90%);min-width:.4em;display:inline-block}.newline-mark{color:#b5a990;padding:0 .15em;font-size:.6em;font-weight:400}.caret{vertical-align:-.15em;width:0;height:1.1em;display:inline-block;position:relative}.caret:after{content:"";background:var(--blue);border-radius:2px;width:3px;height:100%;animation:1.1s step-end infinite blink;position:absolute;top:0;left:-1.5px}.placeholder+.caret,.placeholder+span .caret{margin-left:2px}@keyframes blink{50%{opacity:.15}}.notice{z-index:50;left:50%;top:max(10px, env(safe-area-inset-top));border:2px solid var(--danger);border-radius:var(--radius);max-width:min(92vw,640px);color:var(--danger);background:#fff5f3;margin:0;padding:10px 16px;font-size:15px;font-weight:700;position:fixed;transform:translate(-50%);box-shadow:0 4px 14px #00000026}.actions{gap:var(--gap);grid-area:actions;grid-template-columns:repeat(3,minmax(0,1fr));grid-template-areas:"speak speak speak""back undo redo""clear fav fav";display:grid}.act{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);min-width:0;min-height:42px;color:var(--ink);white-space:nowrap;border-bottom-width:3px;justify-content:center;align-items:center;gap:6px;padding:4px 6px;font-size:15px;font-weight:700;line-height:1.15;display:flex}.act:active:not(:disabled){border-bottom-width:1px;transform:translateY(1px)}.act:disabled{opacity:.45}.act-speak{background:linear-gradient(180deg, var(--blue) 0%, var(--blue-dark) 100%);color:#fff;letter-spacing:.08em;border-color:#0f3f80;grid-area:speak;min-height:54px;font-size:22px}.act-speak .icon{width:1.4em;height:1.4em}.act-speak:disabled{opacity:.55}.act-speak.is-speaking{box-shadow:0 0 0 4px #9cc4f5}.act-back{grid-area:back}.act-undo{grid-area:undo}.act-redo{grid-area:redo}.act-clear{color:var(--danger);background:#fffaf8;border-color:#e9b8b0;grid-area:clear}.act-fav{background:var(--yellow-pale);border-color:var(--yellow-line);color:#6b4d00;grid-area:fav}.act-settings{color:var(--ink-sub);grid-area:settings;font-size:13px;display:none}.board-area{border-radius:calc(var(--radius) + 4px);background:var(--sky-pale);border:1px solid #d5e5f2;grid-area:board;min-width:0;min-height:0;padding:6px;display:flex}.board-area.page-dakuon{background:var(--green-pale);border-color:#cfe6d6}.board-area.page-small{background:var(--pink-pale);border-color:#f1d3d3}.board-viewport{touch-action:none;flex:1;min-height:0;position:relative;overflow:hidden;container-type:size}.board-grid{gap:var(--gap);grid-template-columns:repeat(var(--cols), minmax(0, 1fr));grid-template-rows:repeat(var(--rows), minmax(0, 1fr));display:grid;position:absolute;inset:0}.enter-next{animation:.18s ease-out enter-next}.enter-prev{animation:.18s ease-out enter-prev}@keyframes enter-next{0%{opacity:.3;transform:translate(6%)}}@keyframes enter-prev{0%{opacity:.3;transform:translate(-6%)}}.key{min-width:0;min-height:0;font-family:var(--font);border-radius:10px;justify-content:center;align-items:center;padding:0;font-weight:700;line-height:1;display:flex}button.key{border:1px solid var(--line);border-bottom:3px solid var(--key-shadow);background:var(--key-bg);color:var(--key-ink);font-size:min(12cqh,6.4cqw);transition:background-color .12s}button.key:active,button.key.flash{background:var(--key-press);border-color:#e3c25d;border-bottom-width:1px}.key-empty{background:#ffffff59;border:1px dashed #0000000f}.board-dakuon button.key{font-size:min(12cqh,11cqw)}.board-small button.key{font-size:min(16cqh,6.4cqw)}.board-small button.key-op{gap:.3em;font-size:min(10cqh,4cqw)}.key-op-mark{opacity:.6;font-size:.9em}.pager{--pager-h:56px;--pager-w:120px;min-height:var(--pager-h);grid-area:pager;justify-content:space-between;align-items:center;gap:8px;display:flex}.pager-btn{min-height:var(--pager-h);min-width:var(--pager-w);border:1px solid var(--line);background:var(--surface);color:var(--blue-dark);border-radius:999px;flex:none;justify-content:center;align-items:center;gap:4px;padding:0 14px;font-size:15px;font-weight:700;display:inline-flex}.pager-btn:disabled{opacity:.35}.pager-btn .icon{width:1.6em;height:1.6em}.pager-btn:active{background:var(--sky-pale)}.pager-center{align-items:center;gap:10px;min-width:0;display:flex}.pager-title{color:var(--ink-sub);white-space:nowrap;font-size:15px;font-weight:700}.pager-num{color:var(--blue-dark);margin-right:4px}.pager-dots{display:flex}.dot{background:0 0;border:0;place-items:center;width:30px;height:36px;padding:0;display:grid}.dot span{background:0 0;border:2px solid #8fa7c4;border-radius:50%;width:11px;height:11px}.dot-active span{border-color:var(--blue);background:var(--blue);width:14px;height:14px}@media (orientation:portrait) and (width<=699px){:root{--gap:4px;--pad:6px}.board-area{padding:4px}.key{border-radius:7px}.pager{--pager-h:clamp(52px, 7dvh, 60px);--pager-w:var(--pager-h)}.pager-btn-label{display:none}.pager-btn{width:var(--pager-h);height:var(--pager-h);border-radius:50%;padding:0;font-size:17px}.text-display{height:max(68px,clamp(84px,15dvh,150px) + -1*clamp(52px,7dvh,60px) + 36px)}}@media (orientation:landscape) and (height<=560px){:root{--gap:4px;--pad:6px}.app-header{display:none}.main{grid-template:"text actions""board actions"minmax(0,1fr)"pager actions"/minmax(0,1fr) clamp(150px,22vw,230px)}.text-display{height:max(40px,clamp(46px,17dvh,84px) - 10px);padding:4px 10px;font-size:24px}.actions{grid-template-rows:2.4fr 1fr 1fr 1fr .75fr;grid-template-columns:repeat(2,minmax(0,1fr));grid-template-areas:"speak speak""fav fav""back clear""undo redo""settings settings"}.act{flex-direction:column;gap:1px;min-height:0;padding:2px;font-size:13px}.act-speak{flex-direction:row;font-size:20px}.act-settings{flex-direction:row;display:flex}.board-area{padding:4px}.board-dakuon{inset:0 8%}.pager{--pager-h:40px;--pager-w:92px}.pager-btn{font-size:16px}.dot{height:30px;min-height:30px}}@media (width>=700px) and (height>=561px){:root{--gap:8px;--pad:14px}.brand-icon{width:38px;height:38px}.brand h1{font-size:24px}.text-display{height:max(76px,clamp(96px,16dvh,180px) - 20px);padding:10px 18px;font-size:clamp(32px,4.4vmin,52px)}.actions{grid-template-columns:3fr repeat(5,minmax(0,1fr));grid-template-areas:"speak back undo redo clear fav"}.act{min-height:62px;font-size:clamp(15px,1.9vmin,20px)}.act-speak{font-size:clamp(24px,3vmin,32px)}.board-area{padding:10px}.board-dakuon{inset:0 9%}.pager-btn,.pager-title{font-size:17px}}@media (width>=700px) and (height>=561px) and (orientation:portrait){.actions{grid-template-columns:repeat(4,minmax(0,1fr));grid-template-areas:"speak speak speak fav""back undo redo clear"}.act{min-height:56px}}.modal-backdrop{z-index:20;padding:max(8px, env(safe-area-inset-top)) max(8px, env(safe-area-inset-right)) max(8px, env(safe-area-inset-bottom)) max(8px, env(safe-area-inset-left));background:#3c2d1459;justify-content:center;align-items:stretch;display:flex;position:fixed;inset:0}.modal{background:var(--bg);border-radius:calc(var(--radius) + 4px);flex-direction:column;width:100%;max-width:760px;display:flex;overflow:hidden;box-shadow:0 10px 40px #00000040}.modal:focus{outline:none}.modal-header{background:var(--surface);border-bottom:1px solid var(--line);align-items:center;gap:8px;padding:10px 12px;display:flex}.modal-header h2{flex:1;margin:0;font-size:20px}.modal-body{overscroll-behavior:contain;-webkit-overflow-scrolling:touch;flex:1;padding:12px;overflow-y:auto}.btn{border:1px solid var(--line-strong);background:var(--surface);white-space:nowrap;border-radius:10px;justify-content:center;align-items:center;gap:6px;min-height:44px;padding:6px 14px;font-size:16px;font-weight:700;display:inline-flex}.btn:disabled{opacity:.45}.btn-primary{background:var(--blue);border-color:var(--blue-dark);color:#fff}.btn-secondary{background:var(--surface)}.btn-danger{background:var(--danger);color:#fff;border-color:#7d1a14}.btn-danger-outline{color:var(--danger);background:#fff;border-color:#e3a79e}.btn-icon{min-width:44px;padding:6px}.btn-toggle.is-on{background:var(--yellow-pale);border-color:var(--yellow-line)}.fav-toolbar{flex-wrap:wrap;gap:8px;display:flex}.fav-message{color:var(--ink-sub);margin:8px 2px 10px;font-size:14px}.fav-list,.fav-edit-list,.settings-list{margin:0;padding:0;list-style:none}.fav-list{grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:8px;display:grid}.fav-speak{border:1px solid var(--line);border-radius:var(--radius);width:100%;min-height:60px;color:var(--ink);text-align:left;background:#fff;border-bottom-width:3px;align-items:center;gap:10px;padding:10px 14px;font-size:22px;font-weight:700;display:flex}.fav-speak .icon{color:var(--blue)}.fav-speak:active{background:var(--key-press)}.fav-text{overflow-wrap:anywhere;flex:1;min-width:0}.fav-empty{color:var(--ink-sub)}.fav-edit-row{border:1px solid var(--line);border-radius:var(--radius);background:#fff;flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:6px;padding:8px 10px;font-size:18px;font-weight:700;display:flex}.fav-edit-actions{flex-wrap:wrap;gap:6px;display:flex}.fav-edit-form,.fav-add-row{flex-wrap:wrap;gap:6px;width:100%;display:flex}.fav-edit-form input,.fav-add-row input{border:2px solid var(--line-strong);background:#fff;border-radius:10px;flex:1;min-width:160px;min-height:44px;padding:6px 10px;font-size:18px}.fav-add-form{border:1px dashed var(--line-strong);border-radius:var(--radius);margin-top:14px;padding:12px}.fav-add-form label{color:var(--ink-sub);margin-bottom:6px;font-size:14px;display:block}.settings-section{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);margin-bottom:18px;padding:12px 14px}.settings-section h3{margin:0 0 8px;font-size:18px}.settings-note{margin:0 0 10px;font-size:15px}.is-warning{color:var(--danger);font-weight:700}.field{border:0;margin:0 0 12px;padding:0;display:block}.field>span,.field legend{margin-bottom:6px;font-size:15px;font-weight:700;display:block}.field select{border:2px solid var(--line-strong);background:#fff;border-radius:10px;width:100%;min-height:44px;padding:6px 8px;font-size:16px}.segmented{flex-wrap:wrap;gap:6px;display:flex}.segmented label{border:2px solid var(--line);cursor:pointer;background:#fff;border-radius:10px;align-items:center;gap:6px;min-height:44px;padding:6px 14px;font-weight:700;display:inline-flex}.segmented label.is-on{border-color:var(--blue);background:var(--sky-pale);color:var(--blue-dark)}.segmented input{accent-color:var(--blue)}.settings-buttons{flex-wrap:wrap;gap:8px;display:flex}.settings-hint{color:var(--ink-sub);margin:6px 0 0;font-size:13px;display:block}.check{align-items:flex-start;gap:8px;margin-top:12px;font-weight:700;display:flex}.check input{width:22px;height:22px;accent-color:var(--blue);margin-top:2px}.check small{color:var(--ink-sub);font-size:13px;font-weight:400;display:block}.settings-list li{text-indent:-1em;margin-bottom:6px;padding-left:1em;font-size:15px}.settings-list li:before{content:"・"}.confirm-backdrop{z-index:40;align-items:center}.confirm{background:var(--surface);border-radius:calc(var(--radius) + 4px);width:min(92vw,440px);padding:20px;box-shadow:0 10px 40px #0000004d}.confirm-message{margin:0 0 8px;font-size:20px;font-weight:700}.confirm-detail{color:var(--ink-sub);margin:0 0 16px;font-size:15px}.confirm-actions{justify-content:flex-end;gap:10px;display:flex}.confirm-actions .btn{min-width:110px;min-height:50px}@media (prefers-reduced-motion:reduce){.enter-next,.enter-prev,.caret:after{animation:none}}button.key-smallkana{position:relative}button.key-smallkana:before{content:"小";color:#b0607a;font-size:.32em;font-weight:700;position:absolute;top:.25em;left:.3em}.voice-group+.voice-group{margin-top:10px}.voice-group h4{color:var(--ink-sub);margin:0 0 6px;font-size:15px}.voice-list{gap:6px;margin:0;padding:0;list-style:none;display:grid}.voice-item{border:2px solid var(--line);background:#fff;border-radius:10px;align-items:center;gap:8px;padding:4px 6px 4px 10px;display:flex}.voice-item.is-on{border-color:var(--blue);background:var(--sky-pale)}.voice-choice{cursor:pointer;flex-wrap:wrap;flex:1;align-items:center;gap:2px 8px;min-width:0;min-height:44px;display:flex}.voice-choice input{width:20px;height:20px;accent-color:var(--blue)}.voice-name{font-size:16px;font-weight:700}.voice-meta{color:var(--ink-sub);font-size:13px}.voice-test{flex:none}.voice-guide{background:#fff8ef;border:2px solid #ecc5a0;border-radius:10px;padding:10px 12px}.voice-guide p{margin:6px 0 0;font-size:14px}.diag summary{cursor:pointer;align-items:center;min-height:44px;font-size:16px;font-weight:700;display:flex}.diag-output{border:1px solid var(--line);white-space:pre-wrap;word-break:break-all;-webkit-user-select:text;user-select:text;background:#fff;border-radius:8px;max-height:40vh;margin:10px 0 0;padding:10px;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:12px;line-height:1.5;overflow:auto}.voice-choice input:disabled+.voice-name{opacity:.5}.fav-reading-mark{border:1px solid var(--line-strong);color:var(--ink-sub);border-radius:999px;flex:none;padding:2px 8px;font-size:12px;font-weight:700}.fav-reading-preview{color:var(--ink-sub);font-size:13px;font-weight:400;display:block}.fav-reading-form{gap:8px;width:100%;display:grid}.fav-reading-form label{color:var(--ink-sub);font-size:13px;font-weight:400}.fav-reading-title{margin:0;font-size:15px}.fav-reading-form input{border:2px solid var(--line-strong);background:#fff;border-radius:10px;min-height:44px;padding:6px 10px;font-size:18px}.fav-reading-actions{flex-wrap:wrap;gap:6px;display:flex}.fine-rate{margin-top:10px}.fine-rate summary{cursor:pointer;align-items:center;min-height:40px;font-size:15px;font-weight:700;display:flex}.rate-steps{flex-wrap:wrap;gap:6px;margin:6px 0;display:flex}.rate-steps .btn{min-width:64px}.rate-slider{flex-wrap:wrap;align-items:center;gap:8px;margin:8px 0;font-size:14px;display:flex}.rate-slider input{min-width:160px;accent-color:var(--blue);flex:1}.rate-slider output{min-width:3em;font-weight:700}.compare-list{gap:6px;margin:8px 0;padding:0;list-style:none;display:grid}.compare-list li{border:1px solid var(--line);background:#fff;border-radius:10px;flex-wrap:wrap;align-items:center;gap:6px 10px;padding:8px 10px;display:flex}.compare-label{min-width:7em;font-size:14px;font-weight:700}.compare-list code{min-width:10em;font-family:var(--font);overflow-wrap:anywhere;flex:1;font-size:16px}.toast{z-index:50;left:50%;top:max(10px, env(safe-area-inset-top));border-radius:var(--radius);background:var(--green-pale);color:#1f5d3a;pointer-events:none;border:2px solid #9ccdb0;width:max-content;max-width:min(92vw,560px);margin:0;padding:10px 16px;font-size:15px;font-weight:700;position:fixed;transform:translate(-50%);box-shadow:0 4px 14px #00000026}.segmented.rate-grid{grid-template-columns:repeat(2,minmax(0,1fr));max-width:440px;display:grid}.segmented.rate-grid label{justify-content:flex-start}.check-key-echo{margin-top:0;margin-bottom:16px}.info-section .settings-note{margin-bottom:10px}.info-link{white-space:normal;text-align:center;min-height:52px;padding:8px 18px;font-size:17px;text-decoration:none}.btn-coral{color:#fff;background:#c4523f;border-color:#a3402f}.btn-coral:active{background:#a9442f}.changelog-title{margin:0 0 4px;font-size:20px}.changelog-title:focus{outline:none}.changelog-list{gap:12px;margin:12px 0 16px;padding:0;list-style:none;display:grid}.changelog-entry{background:var(--surface);border:1px solid var(--line);border-left:5px solid var(--coral);border-radius:var(--radius);padding:14px 16px}.changelog-entry+.changelog-entry{border-left-color:var(--line-strong)}.changelog-head{color:var(--ink-sub);flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;display:flex}.changelog-version{color:var(--ink);font-size:16px;font-weight:700}.changelog-latest{background:var(--coral-pale);color:#a3402f;border-radius:999px;padding:1px 10px;font-size:12px;font-weight:700}.changelog-entry h4{margin:6px 0 8px;font-size:17px}.changelog-entry ul{margin:0;padding-left:1.3em}.changelog-entry li{margin-bottom:6px;font-size:15px;line-height:1.6}