:root{--ink:#1C1C1A;--muted-ink:#6b6559;--paper:#E8E2D2;--paper-dark:#DCD3BC;--card:#F1ECDF;--indigo:#2B4570;--indigo-deep:#182C46;--hanko:#A63A2E;--string:#9C8A66;--line:rgba(28,28,26,.14);--font-display:"Hiragino Mincho ProN","Yu Mincho","Noto Serif JP",serif;--font-body:"Hiragino Kaku Gothic ProN","Yu Gothic","Noto Sans JP",-apple-system,BlinkMacSystemFont,sans-serif;--font-mono:"SF Mono","Courier New",monospace}*{box-sizing:border-box}html,body{margin:0;padding:0;background:var(--paper-dark)}body{font-family:var(--font-body);color:var(--ink);-webkit-font-smoothing:antialiased}#root{min-height:100vh;display:flex;justify-content:center}.app-shell{width:100%;max-width:430px;min-height:100vh;background:radial-gradient(ellipse at top left,rgba(255,255,255,.35),transparent 60%),var(--paper);position:relative;padding:28px 20px 60px}.top-row{display:flex;align-items:center;justify-content:space-between}.eyebrow{font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--indigo);display:flex;align-items:center;gap:8px}.eyebrow:before{content:"";width:14px;height:1px;background:var(--indigo);display:inline-block}.icon-btn{background:none;border:1px solid var(--line);border-radius:5px;width:30px;height:30px;display:flex;align-items:center;justify-content:center;color:var(--muted-ink);cursor:pointer;padding:0;flex-shrink:0}.icon-btn:hover{color:var(--ink);border-color:var(--string)}.icon-btn svg{width:16px;height:16px}.icon-btn.small{width:24px;height:24px;font-size:12px}.icon-btn.small svg{width:12px;height:12px}.top-icons{display:flex;gap:8px}h1.title{font-family:var(--font-display);font-size:30px;line-height:1.15;margin:10px 0 2px;color:var(--ink);font-weight:700}.title .jp{display:block;font-size:15px;color:var(--muted-ink);letter-spacing:.05em;margin-top:4px;font-weight:400}.subtitle{font-size:13px;color:var(--muted-ink);margin:10px 0 26px;line-height:1.5;max-width:34ch}.dropzone{display:flex;flex-direction:column;align-items:center;justify-content:center;border:1.5px dashed var(--string);border-radius:6px;background:#ffffff40;padding:34px 18px;text-align:center;cursor:pointer;transition:background .2s ease,border-color .2s ease}.dropzone:hover{background:#ffffff73;border-color:var(--indigo)}.dropzone svg{width:30px;height:30px;color:var(--indigo);margin-bottom:10px}.dropzone .cta{font-size:14px;font-weight:600;color:var(--ink)}.dropzone .hint{font-size:12px;color:var(--muted-ink);margin-top:4px}input[type=file]{display:none}.plaque{position:relative;margin-top:22px;border-radius:6px;background:var(--ink);padding:14px;box-shadow:0 10px 24px #1c1c1a2e}.plaque img{display:block;width:100%;border-radius:2px}.screw{position:absolute;width:7px;height:7px;border-radius:50%;background:radial-gradient(circle at 35% 35%,#9a9a94,#55534c 70%);box-shadow:0 1px 1px #00000080}.screw.tl{top:8px;left:8px}.screw.tr{top:8px;right:8px}.screw.bl{bottom:8px;left:8px}.screw.br{bottom:8px;right:8px}.actions{display:flex;gap:10px;margin-top:16px}button.btn{font-family:var(--font-body);font-size:13.5px;font-weight:600;border-radius:4px;padding:11px 16px;border:1px solid transparent;cursor:pointer;transition:transform .15s ease,opacity .15s ease}button.btn:active{transform:scale(.97)}button.btn:disabled{opacity:.5;cursor:default}.btn-primary{background:var(--indigo);color:#f4f0e6;flex:1}.btn-primary:hover:not(:disabled){background:var(--indigo-deep)}.btn-ghost{background:transparent;color:var(--muted-ink);border-color:var(--line)}.btn-ghost:hover{color:var(--ink);border-color:var(--string)}.loading{display:flex;align-items:center;gap:10px;margin-top:18px;font-size:13px;color:var(--muted-ink)}.loading .dot{width:7px;height:7px;border-radius:50%;background:var(--hanko);animation:pulse 1.1s ease-in-out infinite}@keyframes pulse{0%,to{opacity:.25}50%{opacity:1}}.error-box{margin-top:18px;padding:14px 16px;border-radius:5px;background:#a63a2e14;border:1px solid rgba(166,58,46,.3);font-size:13px;color:var(--hanko);line-height:1.5}.divider{display:flex;align-items:center;gap:10px;margin:32px 0 16px;color:var(--muted-ink);font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase}.divider:after{content:"";flex:1;height:1px;background:var(--line)}.seal-banner{display:flex;gap:12px;align-items:flex-start;background:var(--card);border:1px solid var(--line);border-radius:5px;padding:16px}.seal{flex-shrink:0;width:34px;height:34px;border-radius:3px;background:var(--hanko);color:#f4efe3;display:flex;align-items:center;justify-content:center;font-family:var(--font-display);font-size:15px;transform:rotate(-2deg);box-shadow:0 2px 4px #0003}.seal-banner .text{font-size:14.5px;line-height:1.5;padding-top:3px}.quick-nav{position:sticky;top:0;z-index:5;display:flex;gap:6px;overflow-x:auto;margin:14px 0 4px;padding:8px 2px;background:#e8e2d2eb;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.quick-nav::-webkit-scrollbar{height:0}.quick-nav-chip{flex-shrink:0;font-family:var(--font-display);font-size:13px;background:var(--card);border:1px solid var(--line);border-radius:20px;padding:5px 12px;color:var(--ink);cursor:pointer;white-space:nowrap}.quick-nav-chip:hover{border-color:var(--indigo);color:var(--indigo)}.scroll-top-btn{position:fixed;bottom:24px;right:24px;z-index:20;width:42px;height:42px;border-radius:50%;background:var(--indigo);color:#f4f0e6;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 16px #1c1c1a4d}.scroll-top-btn:hover{background:var(--indigo-deep)}.scroll-top-btn svg{width:18px;height:18px}.tags{display:flex;flex-direction:column;gap:18px;margin-top:18px}.tag{position:relative;background:var(--card);border:1px solid var(--line);border-radius:4px;padding:20px 18px 16px;opacity:0;animation:rise .5s ease forwards}@keyframes rise{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.tag-hole{position:absolute;top:-8px;left:22px;width:14px;height:14px;border-radius:50%;background:var(--paper);border:1.5px solid var(--string)}.tag-hole:after{content:"";position:absolute;left:50%;top:100%;width:1px;height:10px;background:var(--string);transform:translate(-50%)}.word-star{position:absolute;top:12px;right:12px;width:28px;height:28px;border-radius:50%;background:#ffffff80;border:1px solid var(--line);color:var(--muted-ink);cursor:pointer;display:flex;align-items:center;justify-content:center}.word-star svg{width:14px;height:14px}.word-star:hover{color:var(--hanko);border-color:var(--hanko)}.word-star.is-saved{color:var(--hanko);border-color:var(--hanko);background:#fffc}.original-line{margin-top:4px;padding-right:30px;overflow-wrap:break-word;word-break:break-word}ruby{font-family:var(--font-display);line-height:2.3;ruby-align:center}rt{font-family:var(--font-body);font-size:12px;color:var(--indigo);font-weight:600}mark.original-highlight{background:none;color:var(--hanko);font-weight:700;text-decoration:underline;text-decoration-style:solid;text-underline-offset:4px}.kanji-row{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0 4px}.kanji-chip{border:1px solid var(--line);border-radius:4px;padding:6px 9px 7px;text-align:center;background:#fff6;min-width:44px}.kanji-chip .ch{font-family:var(--font-display);font-size:19px;display:block;color:var(--ink);white-space:nowrap}.kanji-chip .ch .kanji-target{color:var(--hanko)}.kanji-chip .rd{font-family:var(--font-body);font-size:10px;color:var(--indigo);display:block;margin-top:2px}.kanji-chip .mn{font-family:var(--font-body);font-size:9.5px;color:var(--muted-ink);display:block;margin-top:1px;white-space:nowrap}.translation-line{display:flex;align-items:flex-start;gap:8px;margin-top:14px;padding-top:12px;border-top:1px dashed var(--line);font-size:13.5px;color:var(--ink);line-height:1.5}.translation-line .mark{flex-shrink:0;color:var(--hanko);font-family:var(--font-display);font-size:13px;border:1px solid var(--hanko);border-radius:3px;width:20px;height:20px;display:flex;align-items:center;justify-content:center;margin-top:1px}.example-block{margin-top:12px;padding:12px 14px;background:#2b45700f;border:1px dashed var(--indigo);border-radius:4px}.example-label{font-family:var(--font-mono);font-size:9.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--indigo);margin-bottom:6px}.example-sentence{font-family:var(--font-display);font-size:16px;color:var(--ink);line-height:1.5}.example-reading{font-size:11.5px;color:var(--indigo);margin-top:3px}.example-translation{font-size:12.5px;color:var(--muted-ink);margin-top:5px;line-height:1.4}mark.example-highlight{background:none;color:var(--hanko);font-weight:700;padding:0;text-decoration:underline;text-decoration-style:solid;text-underline-offset:3px}.history-date{font-family:var(--font-mono);font-size:10.5px;color:var(--muted-ink)}.page-tabs{display:flex;gap:6px;flex-wrap:wrap;margin:20px 0 4px;padding-bottom:10px;border-bottom:1px solid var(--line)}.page-tab{font-family:var(--font-mono);font-size:12px;font-weight:600;width:30px;height:30px;border-radius:5px;background:var(--card);border:1px solid var(--line);color:var(--muted-ink);cursor:pointer;flex-shrink:0}.page-tab:hover{border-color:var(--string);color:var(--ink)}.page-tab.active{background:var(--indigo);border-color:var(--indigo);color:#f4f0e6}.page-tab.pending{color:var(--string);font-style:italic}.page-tab.skipped{opacity:.45}.page-tab.has-error{border-color:var(--hanko);color:var(--hanko)}.page-tab.has-error.active{background:var(--hanko);border-color:var(--hanko);color:#f4efe3}.account-control{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:14px 0 20px;padding:12px 14px;background:var(--card);border:1px solid var(--line);border-radius:6px}.account-avatar{width:26px;height:26px;border-radius:50%;flex-shrink:0}.account-name{font-size:13px;color:var(--ink);font-weight:600;flex:1;min-width:0}.account-signout{background:none;border:none;font-family:var(--font-mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted-ink);cursor:pointer;text-decoration:underline}.account-signout:hover{color:var(--ink)}.account-hint{font-size:11.5px;color:var(--muted-ink);line-height:1.4}.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:4px;margin-top:6px;font-family:var(--font-mono);font-size:11px}.breadcrumb-item{background:none;border:none;color:var(--indigo);cursor:pointer;padding:2px 3px;text-decoration:underline}.breadcrumb-item:hover{color:var(--indigo-deep)}.breadcrumb-sep{color:var(--muted-ink);margin:0 2px}.folder-list{display:flex;flex-direction:column;gap:6px;margin-top:14px}.folder-row{display:flex;align-items:center;justify-content:space-between;gap:8px;background:var(--card);border:1px solid var(--line);border-radius:5px;padding:8px 10px}.folder-open{display:flex;align-items:center;gap:8px;flex:1;min-width:0;background:none;border:none;cursor:pointer;text-align:left;font-size:13.5px;color:var(--ink);font-weight:600}.folder-open svg{width:16px;height:16px;color:var(--string);flex-shrink:0}.folder-row-actions{display:flex;gap:6px;flex-shrink:0}.new-folder-btn{margin-top:12px;background:none;border:1px dashed var(--string);border-radius:5px;padding:8px 12px;font-size:12.5px;color:var(--muted-ink);cursor:pointer;width:100%}.new-folder-btn:hover{color:var(--ink);border-color:var(--indigo)}.new-folder-row{display:flex;gap:8px;margin-top:12px}.new-folder-row .key-input{flex:1}.word-footer{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:10px;flex-wrap:wrap}.folder-select{font-family:var(--font-body);font-size:11px;color:var(--muted-ink);background:#ffffff80;border:1px solid var(--line);border-radius:4px;padding:4px 6px;max-width:160px}