:root{color-scheme:light;--paper: #f4f0e6;--paper-deep: #e7e0cf;--surface: #fffdf7;--ink: #172522;--muted: #58635f;--forest: #1e4b42;--forest-dark: #143a33;--gold: #d9aa45;--gold-soft: #f4dfae;--coral: #b8553f;--line: #d9d3c4;--shadow: 0 22px 60px rgba(37, 48, 43, .12);--radius-lg: 24px;--radius-md: 14px;font-family:Hiragino Kaku Gothic ProN,Yu Gothic,Meiryo,sans-serif;background:var(--paper);color:var(--ink)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-width:320px;background:var(--paper);line-height:1.75}button,textarea,select{font:inherit}button,summary,.dropzone{-webkit-tap-highlight-color:transparent}button:focus-visible,textarea:focus-visible,select:focus-visible,summary:focus-visible,.dropzone:focus-within{outline:3px solid rgba(184,85,63,.38);outline-offset:3px}.site-header,main,footer{width:min(1120px,calc(100% - 40px));margin-inline:auto}.site-header{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:26px 0}.brand{display:inline-flex;align-items:center;gap:12px;color:inherit;text-decoration:none}.brand-mark{display:grid;place-items:center;width:42px;height:42px;border-radius:12px;background:var(--forest);color:var(--gold-soft);font:800 22px/1 Georgia,serif;transform:rotate(-3deg)}.brand-symbol{background:transparent;overflow:hidden}.brand-symbol img{display:block;width:100%;height:100%}.brand b{display:block;font:800 15px/1.2 ui-monospace,SFMono-Regular,Consolas,monospace;letter-spacing:.12em}.brand small{display:block;margin-top:4px;color:var(--muted);font-size:14px}.local-badge{display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border:1px solid #bdd2c8;border-radius:999px;color:var(--forest);background:#edf5ee;font-size:14px;font-weight:700}.local-badge span{color:#4d9a70;font-size:14px}.hero{padding:78px 0 48px}.eyebrow,.step-label{margin:0 0 10px;color:var(--coral);font:800 14px/1.2 ui-monospace,SFMono-Regular,Consolas,monospace;letter-spacing:.13em}.hero h1{max-width:920px;margin:0;font-family:Yu Mincho,Hiragino Mincho ProN,serif;font-size:clamp(42px,8vw,84px);line-height:1.12;letter-spacing:-.045em}.hero h1 span{color:var(--forest)}.hero-copy{max-width:720px;margin:28px 0 0;color:var(--muted);font-size:16px}.tool-shell{position:relative;padding:clamp(24px,5vw,50px);overflow:hidden;border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--surface);box-shadow:var(--shadow)}.tool-shell:before{content:"";position:absolute;top:-90px;right:-70px;width:250px;height:250px;border:34px solid rgba(217,170,69,.16);border-radius:50%;pointer-events:none}.tool-heading-row,.file-meta,footer{display:flex;align-items:flex-start;justify-content:space-between;gap:24px}h2{margin:0;font-family:Yu Mincho,Hiragino Mincho ProN,serif;font-size:clamp(24px,4vw,36px);line-height:1.35}.text-button{padding:7px 0;border:0;border-bottom:1px solid currentColor;background:transparent;color:var(--forest);cursor:pointer;font-weight:700}#sourceText,#resultText{width:100%;border:1px solid #cbc4b3;border-radius:var(--radius-md);background:#fff;color:var(--ink);font-family:ui-monospace,SFMono-Regular,Consolas,BIZ UDPGothic,monospace;line-height:1.7;resize:vertical}#sourceText,#resultText{min-height:280px;padding:18px;font-size:15px}#sourceText::placeholder,#resultText::placeholder{color:#9a988f}#resultText{background:#f7f8f4}.repair-grid{display:grid;grid-template-columns:minmax(0,1fr) 42px minmax(0,1fr);align-items:start;margin-top:28px}.editor-panel{min-width:0}.editor-heading{display:flex;align-items:baseline;gap:10px;margin-bottom:10px}.editor-heading span{padding:3px 7px;border-radius:5px;background:var(--paper-deep);color:var(--muted);font:800 14px ui-monospace,monospace}.editor-heading label{font-size:14px;font-weight:800}.flow-arrow{display:grid;place-items:center;min-height:280px;color:var(--coral);font:700 24px/1 Georgia,serif}.primary-actions{display:flex;align-items:center;gap:10px;margin-top:14px;flex-wrap:wrap}.primary-button,.secondary-button,.copy-button{border-radius:10px;cursor:pointer;font-weight:800;transition:transform .15s ease,background .15s ease,border-color .15s ease}.primary-button{display:inline-flex;align-items:center;justify-content:space-between;gap:36px;min-width:240px;padding:14px 18px;border:1px solid var(--forest);background:var(--forest);color:#fff}.primary-button:hover{background:var(--forest-dark);transform:translateY(-1px)}.primary-button:disabled{opacity:.45;cursor:not-allowed;transform:none}.primary-button.compact{min-width:210px;margin-top:16px}.secondary-button{padding:14px 18px;border:1px solid var(--line);background:transparent;color:var(--ink)}.secondary-button:hover{border-color:var(--ink)}.shortcut{margin:8px 0 0;color:var(--muted);font-size:14px}.status{min-height:1.75em;margin:0;color:var(--forest);font-size:14px;font-weight:700}.result-actions{display:flex;align-items:center;gap:14px;margin-top:14px}.copy-button{min-width:104px;padding:9px 14px;border:1px solid var(--forest);background:transparent;color:var(--forest)}.copy-button:hover,.copy-button.copied{background:var(--forest);color:#fff}.copy-button:disabled{opacity:.42;cursor:not-allowed;background:transparent;color:var(--forest)}.result-copy{min-height:48px}.alternatives{margin-top:14px;border-top:1px solid var(--line)}.alternatives summary{padding:14px 2px 8px;cursor:pointer;color:var(--muted);font-size:14px;font-weight:700}.alternate-list{display:flex;gap:8px;flex-wrap:wrap;padding:4px 0 2px}.alternate-button{padding:8px 11px;border:1px solid var(--line);border-radius:8px;background:transparent;color:var(--ink);cursor:pointer;font-size:14px;font-weight:700}.alternate-button:hover{border-color:var(--forest);color:var(--forest)}.trust-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:0;margin:28px 0 72px;border-block:1px solid var(--line)}.trust-strip article{position:relative;padding:28px}.trust-strip article+article{border-left:1px solid var(--line)}.trust-strip span{position:absolute;top:28px;right:28px;color:#a7a090;font:700 14px ui-monospace,monospace}.trust-strip h3{margin:0 0 8px;font-size:15px}.trust-strip p{margin:0;color:var(--muted);font-size:14px}.file-tool{margin:0 0 84px}.file-tool>details{border:1px solid var(--line);border-radius:var(--radius-lg);background:#ebe4d5;overflow:hidden}.file-tool summary{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:28px 32px;cursor:pointer;list-style:none}.file-tool summary::-webkit-details-marker{display:none}.file-tool summary span:first-child{display:flex;align-items:center;gap:18px}.file-tool summary small{padding:5px 8px;border-radius:6px;background:var(--forest);color:#fff;font:700 14px ui-monospace,monospace}.file-tool summary strong{font-family:Yu Mincho,Hiragino Mincho ProN,serif;font-size:20px}.summary-action{color:var(--forest);font-size:14px;font-weight:800}.file-tool-body{padding:0 32px 32px}.section-intro{max-width:720px;margin:0 0 20px;color:var(--muted);font-size:14px}.dropzone{display:grid;place-items:center;min-height:180px;padding:25px;border:2px dashed #a8a18f;border-radius:var(--radius-md);background:#ffffff73;cursor:pointer;text-align:center}.dropzone.dragging{border-color:var(--coral);background:#fff7e8}.dropzone input{position:absolute;width:1px;height:1px;opacity:0}.drop-icon{font:300 34px/1 Georgia,serif;color:var(--coral)}.dropzone strong{margin-top:8px}.dropzone small{margin-top:4px;color:var(--muted)}.file-result{margin-top:22px;padding:22px;border-radius:var(--radius-md);background:var(--surface)}.file-meta{justify-content:flex-start}.file-meta>div{min-width:210px}.file-meta small,.preview-box small{display:block;color:var(--muted);font-size:11px}.file-meta strong{display:block;margin-top:4px;word-break:break-word}.encoding-settings{display:flex;align-items:end;gap:14px;margin-top:22px}.encoding-settings label{display:grid;gap:7px;flex:1;color:var(--muted);font-size:14px}.encoding-settings select{width:100%;padding:11px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink)}.preview-box{margin-top:20px;padding:14px;border:1px solid var(--line);border-radius:9px;background:#fff}.preview-box pre{max-height:180px;margin:7px 0 0;overflow:auto;white-space:pre-wrap;word-break:break-all;font:12px/1.65 ui-monospace,monospace}.warning{margin:12px 0 0;font-size:14px;font-weight:700}.warning.safe{color:#347155}.warning.danger{color:var(--coral)}.guide{display:grid;grid-template-columns:.85fr 1.4fr;gap:60px;margin-bottom:90px}.guide-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.guide-grid article{padding:24px;border-top:3px solid var(--forest);background:#ffffff6b}.guide-grid article+article{border-top-color:var(--coral)}.guide-kicker{margin:0 0 14px;font-size:14px;font-weight:800;letter-spacing:.08em}.guide-kicker.good{color:var(--forest)}.guide-kicker.bad{color:var(--coral)}.guide-grid h3{margin:0 0 10px;font-size:17px}.guide-grid article>p:last-child{margin:0;color:var(--muted);font-size:14px}.faq{max-width:820px;margin-bottom:90px}.faq h2{margin-bottom:24px}.faq details{border-top:1px solid var(--line)}.faq details:last-child{border-bottom:1px solid var(--line)}.faq summary{padding:18px 4px;cursor:pointer;font-weight:800}.faq details p{margin:-5px 0 20px;color:var(--muted);font-size:14px}footer{align-items:end;padding:28px 0 42px;border-top:1px solid var(--line)}footer b{font:800 14px ui-monospace,monospace;letter-spacing:.14em}footer p{margin:5px 0 0;color:var(--muted);font-size:14px}footer nav{display:flex;flex:none;flex-wrap:wrap;align-items:center;justify-content:flex-end;gap:22px;color:var(--muted);font-size:14px}footer nav a,footer nav span{white-space:nowrap}footer nav a{color:inherit;text-decoration:none}footer nav a:hover{color:var(--forest);text-decoration:underline}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media(max-width:780px){main{width:min(100% - 28px,1120px)}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition-duration:.01ms!important}}.pdf-page{--pdf-slate: #283b4b;--pdf-slate-dark: #172833;--pdf-amber: #e6a84a;--pdf-red: #c95143;background:var(--paper)}.mini-nav{display:flex;flex-wrap:wrap;gap:18px;font-size:14px;font-weight:700}.mini-nav a{color:var(--muted);text-decoration:none}.mini-nav a:hover{color:var(--forest)}.pdf-hero{display:grid;grid-template-columns:1.2fr .8fr;align-items:center;gap:70px;padding:66px 0 58px}.pdf-hero h1{margin:0;font-family:Yu Mincho,Hiragino Mincho ProN,serif;font-size:clamp(50px,8.5vw,92px);line-height:1.05;letter-spacing:-.06em}.pdf-hero h1 span{color:var(--pdf-red)}.pdf-hero>div:first-child>p:last-child{margin:25px 0 0;color:var(--muted);font-weight:700}.paper-stack{position:relative;width:270px;height:220px;justify-self:end}.paper-stack i{position:absolute;width:160px;height:205px;border:2px solid var(--pdf-slate);background:#fffdf8;box-shadow:8px 10px #283b4b14}.paper-stack i:nth-child(1){top:0;left:22px;transform:rotate(-8deg)}.paper-stack i:nth-child(2){top:7px;left:45px;transform:rotate(2deg)}.paper-stack i:nth-child(3){top:12px;left:65px;transform:rotate(9deg)}.paper-stack i:before{content:"";position:absolute;left:25px;right:25px;top:58px;height:45px;border-block:2px solid #d6d1c5;background:repeating-linear-gradient(to bottom,transparent 0 10px,#e4dfd4 10px 12px)}.paper-stack b{position:absolute;z-index:3;top:86px;left:104px;display:grid;place-items:center;width:84px;height:49px;background:var(--pdf-red);color:#fff;font:900 18px ui-monospace,monospace;letter-spacing:.1em;transform:rotate(9deg)}.paper-stack span{position:absolute;z-index:4;right:0;bottom:0;display:grid;place-items:center;width:62px;height:62px;border-radius:50%;background:var(--pdf-amber);color:var(--pdf-slate-dark);font:500 35px/1 Georgia,serif}.pdf-tool{overflow:hidden;border:1px solid var(--line);border-radius:26px;background:var(--surface);box-shadow:var(--shadow)}.pdf-tool-heading{display:flex;align-items:start;justify-content:space-between;gap:20px;padding:30px 36px}.local-processing{display:flex;align-items:center;gap:7px;margin:4px 0 0;padding:7px 12px;border:1px solid #bed4ca;border-radius:999px;background:#edf6f1;color:var(--forest);font-size:14px;font-weight:800}.local-processing span{color:#48a275;font-size:14px}.pdf-drop-area{padding:0 36px 36px}.pdf-drop-area label{display:grid;place-items:center;min-height:230px;padding:30px;border:2px dashed #9b9f9d;border-radius:18px;background:#f0ede5;cursor:pointer;text-align:center;transition:.16s ease}.pdf-drop-area label:hover,.pdf-drop-area.dragging label{border-color:var(--pdf-red);background:#fff6e9}.pdf-drop-area input{position:absolute;width:1px;height:1px;opacity:0}.add-mark{display:grid;place-items:center;width:56px;height:56px;border-radius:15px;background:var(--pdf-slate);color:#fff;font:300 31px/1 Georgia,serif}.pdf-drop-area strong{margin-top:15px;font-size:16px}.pdf-drop-area small{margin-top:4px;color:var(--muted)}.pdf-drop-area>p{min-height:1.6em;margin:10px 3px 0;color:var(--pdf-red);font-size:14px;font-weight:700}.pdf-drop-area.has-files{padding-bottom:0}.pdf-drop-area.has-files label{display:none}.pdf-editor{border-top:1px solid var(--line)}.editor-toolbar{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:20px 36px;background:var(--pdf-slate);color:#fff}.editor-toolbar p{margin:0;color:#bfcbd2;font-size:14px;font-weight:800;letter-spacing:.08em}.editor-toolbar strong{display:block;margin-top:2px}.toolbar-actions{display:flex;gap:8px}.toolbar-actions button{padding:8px 11px;border:1px solid rgba(255,255,255,.28);border-radius:8px;background:transparent;color:#fff;cursor:pointer;font-size:14px;font-weight:800}.toolbar-actions button:hover{background:#ffffff1a}.source-files{display:flex;gap:8px;padding:18px 36px;overflow-x:auto;border-bottom:1px solid var(--line)}.source-chip{display:grid;grid-template-columns:24px minmax(100px,190px) 23px;align-items:center;gap:8px;flex:0 0 auto;padding:8px;border:1px solid var(--line);border-radius:9px;background:#fff}.source-chip>span{display:grid;place-items:center;width:24px;height:28px;background:#f2dfda;color:var(--pdf-red);font:900 14px ui-monospace,monospace}.source-chip p{min-width:0;margin:0}.source-chip strong,.source-chip small{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.source-chip strong{font-size:14px}.source-chip small{color:var(--muted);font-size:14px}.source-chip button{border:0;background:transparent;color:#8d8d87;cursor:pointer;font-size:17px}.page-help{display:flex;justify-content:space-between;gap:20px;padding:21px 36px 12px}.page-help p{margin:0;color:var(--muted);font-size:14px}.page-help span{color:var(--pdf-red);font-size:14px;font-weight:900;white-space:nowrap}.pdf-pages{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:13px;padding:8px 36px 32px}.pdf-page-card{position:relative;min-width:0;padding:10px;border:1px solid #d5d0c4;border-radius:13px;background:#f3efe7;cursor:grab;transition:transform .12s ease,border-color .12s ease,opacity .12s ease}.pdf-page-card:hover{border-color:var(--pdf-slate);transform:translateY(-2px)}.pdf-page-card.drag-source{opacity:.35}.pdf-page-card.drag-target{border-color:var(--pdf-red);box-shadow:inset 0 0 0 2px var(--pdf-red)}.page-order{position:absolute;z-index:2;top:17px;left:17px;display:grid;place-items:center;min-width:25px;height:25px;padding:0 5px;border-radius:7px;background:var(--pdf-slate);color:#fff;font:900 14px ui-monospace,monospace}.page-preview{display:grid;place-items:center;height:205px;overflow:hidden;border:1px solid #ddd8cc;background:#dfe2df}.page-preview img{max-width:calc(100% - 16px);max-height:calc(100% - 16px);box-shadow:0 5px 16px #282d2b29;transform:rotate(var(--page-rotation));transition:transform .2s ease}.pdf-page-card>p{min-width:0;margin:9px 2px 7px}.pdf-page-card>p strong,.pdf-page-card>p span{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.pdf-page-card>p strong{font-size:14px}.pdf-page-card>p span{color:var(--muted);font-size:14px}.page-actions{display:grid;grid-template-columns:repeat(4,1fr);gap:4px}.page-actions button{height:29px;border:1px solid #d5d0c4;border-radius:6px;background:#fff;color:var(--pdf-slate);cursor:pointer;font-weight:900}.page-actions button:hover{border-color:var(--pdf-red);color:var(--pdf-red)}.page-actions button:disabled{opacity:.25;cursor:default}.pdf-output{display:grid;grid-template-columns:minmax(230px,.8fr) minmax(260px,1fr);gap:18px 28px;align-items:end;padding:28px 36px;background:#eee7d9}.pdf-output label{display:grid;gap:7px;color:var(--muted);font-size:14px;font-weight:800}.pdf-output label>span{display:flex;align-items:center;border:1px solid #c9c0ae;border-radius:9px;background:#fff}.pdf-output input{min-width:0;width:100%;padding:12px;border:0;outline:0;background:transparent;font:inherit;color:var(--ink)}.pdf-output label b{padding-right:12px;color:var(--muted)}.merge-button{display:flex;align-items:center;justify-content:space-between;min-height:49px;padding:12px 16px;border:1px solid var(--pdf-red);border-radius:9px;background:var(--pdf-red);color:#fff;cursor:pointer;font-weight:900}.merge-button:hover{background:#ad4035}.merge-button:disabled{opacity:.5;cursor:wait}.merge-button b{font-size:21px}.pdf-output>p{grid-column:1 / -1;min-height:1.6em;margin:-9px 0 0;color:var(--forest);font-size:14px;font-weight:800}.pdf-value{display:grid;grid-template-columns:.7fr 1.5fr;gap:60px;margin:88px 0}.pdf-value-grid{display:grid;grid-template-columns:repeat(2,1fr);border-block:1px solid var(--line)}.pdf-value article{padding:25px 20px}.pdf-value article+article{border-left:1px solid var(--line)}.pdf-value article>span{color:var(--pdf-red);font:800 14px ui-monospace,monospace}.pdf-value h3{margin:15px 0 7px;font-size:15px}.pdf-value article p{margin:0;color:var(--muted);font-size:14px}.pdf-guide{margin-bottom:88px;padding:32px;border:1px solid var(--line);background:#ffffff73}.pdf-guide ol{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;margin:25px 0;padding:0;list-style:none;background:var(--line)}.pdf-guide li{padding:20px;background:var(--surface)}.pdf-guide li b,.pdf-guide li span{display:block}.pdf-guide li b{color:var(--pdf-slate)}.pdf-guide li span{margin-top:6px;color:var(--muted);font-size:14px}.pdf-guide>p{margin:0;color:var(--muted);font-size:14px}.split-companion{display:flex;align-items:center;justify-content:space-between;gap:28px;margin:-25px 0 85px;padding:26px 30px;border-radius:20px;background:#4d3e58;color:#fff}.split-companion .eyebrow{color:#d8e9e4}.split-companion h2{font-size:clamp(21px,3vw,29px)}.split-companion p:last-child{margin:7px 0 0;color:#d3c9d9;font-size:14px}.split-companion>a{display:flex;justify-content:space-between;gap:28px;min-width:210px;padding:12px 15px;border-radius:8px;background:#d8e9e4;color:#3d4050;font-weight:900;text-decoration:none}@media(max-width:820px){.pdf-hero{grid-template-columns:1fr;gap:50px}.paper-stack{justify-self:start;margin-left:25px}.pdf-value{grid-template-columns:1fr;gap:28px}}@media(max-width:620px){.mini-nav{display:none}.pdf-hero{padding:40px 0 45px}.pdf-hero h1{font-size:57px}.paper-stack{transform:scale(.8);transform-origin:left top;margin-bottom:-42px}.pdf-tool-heading{display:block;padding:24px 18px}.local-processing{display:inline-flex;margin-top:12px}.pdf-drop-area{padding:0 18px 24px}.pdf-drop-area label{min-height:205px;padding:22px 15px}.editor-toolbar{align-items:flex-start;padding:17px 18px}.source-files{padding:14px 18px}.page-help{padding:18px 18px 9px}.page-help span{display:none}.pdf-pages{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;padding:6px 10px 24px}.pdf-page-card{padding:7px}.page-preview{height:170px}.pdf-output{grid-template-columns:1fr;padding:24px 18px}.pdf-output>p{grid-column:auto;margin-top:-7px}.pdf-value-grid,.pdf-guide ol{grid-template-columns:1fr}.pdf-value article+article{border-left:0;border-top:1px solid var(--line)}.pdf-guide{padding:24px 18px}.split-companion{align-items:flex-start;flex-direction:column}}@media(max-width:620px){.editor-toolbar{gap:4px}}@media(max-width:620px){.paper-stack{display:none}.pdf-tool-heading h2{font-size:22px}}