:root{--bg: #F3F0E8;--surface: #FBF9F4;--surface-2: #EDE9DE;--ink: #171717;--ink-2: #5F5A52;--ink-3: #8A8378;--line: #CFC3B1;--line-soft: #E0D8C8;--accent: #C65A3A;--accent-dark: #A6462A;--sage: #7A8A6A;--sage-soft: #EEF0E8;--danger: #A6462A;--radius-lg: 14px;--radius: 10px;--radius-sm: 7px;--font-sans: "Inter", "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;--font-display: "Zen Old Mincho", "Hiragino Mincho ProN", serif;--font-mono: "IBM Plex Mono", "SFMono-Regular", monospace;--space-section: clamp(64px, 9vw, 110px);--content-w: 1080px}*{box-sizing:border-box}html{scroll-behavior:smooth}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font-sans);font-size:15.5px;line-height:1.8;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;font-feature-settings:"palt";line-break:strict;word-break:auto-phrase;overflow-wrap:break-word;text-wrap:pretty}::selection{background:#c65a3a38}:focus-visible{outline:2.5px solid var(--accent);outline-offset:2px;border-radius:4px}.skip-link{position:absolute;left:-9999px;top:0;background:var(--ink);color:var(--surface);padding:10px 18px;border-radius:0 0 8px;z-index:100;font-weight:700}.skip-link:focus{left:12px;top:12px}.site-header{display:flex;justify-content:space-between;align-items:center;padding:16px clamp(20px,4vw,44px);border-bottom:1px solid var(--line);background:#f3f0e8eb;backdrop-filter:blur(8px);position:sticky;top:0;z-index:20}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink)}.brand-mark{width:28px;height:28px}.brand-name{font-weight:700;font-size:1.22rem;letter-spacing:.02em}.brand-kana{font-size:.6rem;font-weight:700;color:var(--accent);margin-left:8px;vertical-align:.5em;letter-spacing:.28em}.site-nav{display:flex;gap:clamp(14px,3vw,28px)}.site-nav a{color:var(--ink-2);text-decoration:none;font-size:.9rem;font-weight:600;letter-spacing:.02em;padding:4px 2px;border-bottom:1.5px solid transparent;transition:color .15s,border-color .15s}.site-nav a:hover{color:var(--accent-dark);border-bottom-color:var(--accent-dark)}main{max-width:var(--content-w);margin:0 auto;padding:0 clamp(16px,4vw,32px) 0}.hero{padding:clamp(26px,4vw,44px) 0 0}.hero-inner{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.85fr);gap:clamp(28px,5vw,56px);align-items:center}.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:.72rem;font-weight:700;letter-spacing:.18em;color:var(--accent-dark);margin:0 0 16px;padding:0}.hero-eyebrow:before{content:"";width:24px;height:2px;background:var(--accent);display:inline-block}.hero-title{font-family:var(--font-display);font-weight:700;font-size:clamp(1.3rem,3.4vw,2.05rem);line-height:1.5;letter-spacing:.01em;margin:0 0 16px;color:var(--ink);text-wrap:balance}.hero-title .line{display:block}.hero-title em{font-style:normal;color:var(--accent-dark);font-family:var(--font-display)}.hero-lead{max-width:33em;margin:0 0 22px;color:var(--ink-2);font-size:.96rem;line-height:1.95}.hero-actions{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:18px}.hero-points{display:flex;gap:8px;flex-wrap:wrap;list-style:none;padding:0;margin:0}.hero-points li{font-size:.78rem;font-weight:600;letter-spacing:.04em;color:var(--ink-2);border:1px solid var(--line);background:var(--surface);border-radius:999px;padding:5px 14px}.hero-visual{display:flex;justify-content:center}.preview{width:min(100%,330px);background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:0 1px 2px #1717170d,0 18px 44px -22px #17171747;overflow:hidden}.preview-bar{display:flex;align-items:center;gap:10px;padding:11px 16px;border-bottom:1px solid var(--line);background:#efebe0}.preview-dot{width:9px;height:9px;border-radius:50%;background:var(--sage);flex:none}.preview-label{font-family:var(--font-mono);font-size:.68rem;letter-spacing:.06em;color:var(--ink-3);flex:1}.preview-chip{font-size:.66rem;font-weight:700;letter-spacing:.08em;color:var(--sage);border:1px solid rgba(122,138,106,.45);border-radius:999px;padding:2px 10px;background:#7a8a6a1a}.preview-pages{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;padding:22px 22px 8px}.preview-page{aspect-ratio:3 / 4;background:#fff;border:1px solid var(--line);border-radius:6px;padding:14% 12%;display:flex;flex-direction:column;gap:9%;transition:transform .25s ease}.preview-page.p2{transform:translateY(6px)}.preview-page.p3{transform:translateY(-4px)}.preview-page.p4{transform:translateY(4px)}.preview-page span{display:block;height:5%;background:var(--line);border-radius:2px}.preview-page span.short{width:55%}.preview-page.accent{border-color:var(--accent)}.preview-page.accent span:first-child{background:#c65a3a8c;height:14%}.preview-caption{display:flex;align-items:center;gap:8px;padding:12px 22px 16px;font-size:.72rem;font-weight:600;letter-spacing:.03em;color:var(--sage)}.dot-ok{width:7px;height:7px;border-radius:50%;background:var(--sage);box-shadow:0 0 0 3px #7a8a6a2e;flex:none}.strip-section{margin:0 0 var(--space-section)}.hero-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;margin-top:0}.hero-point{background:var(--surface);display:flex;flex-direction:column;gap:2px;padding:18px 20px;font-size:.8rem;line-height:1.5}.hero-point b{font-size:.88rem;letter-spacing:.02em}.hero-point span{color:var(--ink-2);font-size:.78rem}.hero-point-icon{color:var(--accent);font-size:.95rem}.workspace-outer{background:var(--surface);border:1.5px solid var(--ink);border-radius:var(--radius-lg);box-shadow:0 1px 2px #1717170f,10px 12px 0 -2px var(--surface-2);padding:clamp(16px,2.6vw,26px);margin:clamp(24px,3.5vw,36px) 0 clamp(32px,4.5vw,48px);scroll-margin-top:76px}.workspace-head{display:flex;justify-content:space-between;align-items:baseline;flex-wrap:wrap;gap:8px;padding-bottom:16px;border-bottom:1px solid var(--line);margin-bottom:18px}.workspace-title{font-size:1.05rem;font-weight:700;letter-spacing:.08em;margin:0}.workspace-note{margin:0;font-size:.8rem;color:var(--ink-2);font-weight:600}.lock{opacity:.85}.toolbar{display:flex;flex-direction:column;gap:12px;padding-bottom:18px;border-bottom:1px solid var(--line-soft);margin-bottom:18px}.toolbar-top{display:flex;justify-content:space-between;align-items:baseline;gap:16px;flex-wrap:wrap}.file-count{font-weight:700;font-size:.92rem;font-variant-numeric:tabular-nums}.toolbar-hint{margin:0;font-size:.75rem;color:var(--ink-3)}.toolbar-groups{display:flex;flex-wrap:wrap;gap:10px;align-items:center}.toolbar-group{display:flex;flex-wrap:wrap;gap:8px;align-items:center}.toolbar-sep{width:1px;align-self:stretch;background:var(--line-soft)}.toolbar-spacer{flex:1 1 auto}.toolbar-hint{margin:0;font-size:.78rem;color:var(--ink-3)}.split-size-wrap{font-size:.8rem;color:var(--ink-2);display:inline-flex;align-items:center;gap:6px;font-weight:600}.split-size-wrap input{width:60px;padding:7px 8px;border:1.5px solid var(--line);border-radius:var(--radius-sm);font-family:var(--font-mono);font-size:.88rem;text-align:right;background:var(--surface);color:var(--ink)}.split-size-wrap input:focus-visible{border-color:var(--accent);outline:none;box-shadow:0 0 0 3px #c65a3a26}.btn{font-family:var(--font-sans);font-weight:600;font-size:.86rem;letter-spacing:.01em;padding:8px 16px;border-radius:8px;border:1.5px solid var(--ink);background:var(--surface);color:var(--ink);cursor:pointer;transition:background .15s,border-color .15s,transform .06s,box-shadow .06s}.btn:hover{background:var(--surface-2);border-color:var(--ink)}.btn:active{transform:translateY(1px)}.btn:focus-visible{outline:2.5px solid var(--accent);outline-offset:2px}.btn-primary{background:var(--ink);color:var(--surface);border-color:var(--ink);font-weight:700;box-shadow:0 2px #17171740}.btn-primary:hover{background:#000}.btn-ghost{border-color:var(--line);color:var(--ink-2);background:transparent}.btn-ghost:hover{border-color:var(--ink-3);color:var(--ink);background:var(--surface)}.btn-danger-ghost{border-color:#a6462a73;color:var(--accent-dark)}.btn-danger-ghost:hover{background:#c65a3a14;border-color:var(--accent-dark)}.btn-lg{padding:12px 26px;font-size:.95rem;border-radius:10px}.btn:disabled{opacity:.4;cursor:not-allowed}.dropzone{border:1.5px dashed var(--ink-3);border-radius:var(--radius);background:linear-gradient(var(--bg),var(--bg)) padding-box,repeating-linear-gradient(-45deg,transparent,transparent 8px,rgba(207,195,177,.22) 8px,transparent 9px);padding:clamp(28px,4vw,46px) 20px;text-align:center;cursor:pointer;transition:background .15s,border-color .15s;color:var(--ink-2)}.dropzone:hover,.dropzone:focus-visible,.dropzone.dragover{background:var(--surface);border-color:var(--accent);color:var(--ink);outline:none}.dz-icon{width:52px;height:56px;color:var(--accent)}.dz-main{font-size:1.22rem;font-weight:700;color:var(--ink);margin:14px 0 4px;letter-spacing:.02em}.dz-sub{margin:0 0 16px;font-size:.9rem}.dz-privacy{display:inline-block;font-size:.78rem;font-weight:700;letter-spacing:.04em;color:var(--sage);background:#7a8a6a1f;border:1px solid rgba(122,138,106,.35);border-radius:999px;padding:5px 16px;margin:0}.dz-filter-hint{margin:12px 0 0;font-size:.72rem;color:var(--ink-3);line-height:1.8}.pages-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(132px,1fr));gap:16px;padding-top:18px}.page-card{position:relative;background:var(--surface);border:1.5px solid var(--line);border-radius:9px;padding:8px 8px 7px;cursor:grab;user-select:none;transition:border-color .12s,box-shadow .12s,opacity .12s}.page-card:hover{border-color:var(--ink)}.page-card.selected{border-color:var(--accent);box-shadow:0 0 0 2px #c65a3a4d}.page-card.dragging{opacity:.35}.page-thumb{width:100%;display:block;border:1px solid var(--line-soft);border-radius:4px;background:#fff}.page-num{font-family:var(--font-mono);font-size:.7rem;color:var(--ink-2);margin-top:7px;display:flex;justify-content:space-between;align-items:center;gap:6px;font-variant-numeric:tabular-nums}.page-file-label{font-size:.64rem;color:var(--accent-dark);font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:100%;display:block}.page-actions{position:absolute;top:5px;right:5px;display:flex;gap:4px}.icon-btn{width:27px;height:27px;border-radius:7px;border:1.5px solid var(--line);background:var(--surface);color:var(--ink);cursor:pointer;font-size:.78rem;line-height:1;display:inline-flex;align-items:center;justify-content:center;padding:0;transition:background .12s,border-color .12s}.icon-btn:hover{background:var(--bg);border-color:var(--ink)}.icon-btn.rot{font-size:.9rem}.icon-btn.del{border-color:#a6462a80;color:var(--accent-dark);font-weight:900}.icon-btn.del:hover{background:#c65a3a14}.page-check{position:absolute;top:5px;left:5px;width:19px;height:20px;accent-color:var(--accent);cursor:pointer}.page-card.selected .page-check{outline:none}.page-card.dragging{opacity:.4}.page-card.drag-over{border-color:var(--accent);transform:translateY(2px)}.status{min-height:26px;padding:10px 2px 0;font-size:.88rem;color:var(--ink-2);font-weight:600}.status.error{color:var(--accent-dark)}.section-head{margin-bottom:32px}.section-label{font-size:.72rem;font-weight:700;letter-spacing:.22em;text-transform:uppercase;color:var(--accent-dark);margin:0 0 10px}h2{font-size:clamp(1.35rem,3vw,1.7rem);font-weight:900;margin:0;letter-spacing:.02em}.section-eyebrow{font-size:.72rem;letter-spacing:.2em;color:var(--accent-dark);font-weight:700;margin:0 0 14px}.text-link{color:var(--accent-dark);font-weight:700;text-decoration:none;border-bottom:1.5px solid rgba(198,90,58,.4);padding-bottom:1px}.text-link:hover{border-bottom-color:var(--accent-dark)}.privacy-block{margin:0 0 var(--space-section)}.privacy-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:clamp(28px,5vw,64px);align-items:start}.privacy-copy h2{margin-bottom:18px;font-size:clamp(1.5rem,3.2vw,2.1rem);line-height:1.5}.privacy-copy p{color:var(--ink-2);line-height:2.05}.privacy-list{list-style:none;margin:0;padding:0;display:grid;gap:0}.privacy-list li{display:grid;gap:6px;padding:20px 4px;border-top:1px solid var(--line)}.privacy-list li:last-child{border-bottom:1px solid var(--line)}.privacy-list strong{font-size:1rem;letter-spacing:.01em}.privacy-list span{color:var(--ink-2);font-size:.92rem;line-height:2;max-width:40em;text-wrap:pretty}.how{margin:0 0 var(--space-section)}.how-steps{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(3,1fr);gap:48px;counter-reset:step}.step{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:24px 24px 22px;display:flex;flex-direction:column;gap:12px}.step:after{content:"";position:absolute;top:50%;right:-34px;width:15px;height:15px;margin-top:-7.5px;border-top:2px solid var(--accent);border-right:2px solid var(--accent);transform:rotate(45deg);opacity:.6}.step:last-child:after{display:none}.step-num{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:50%;background:var(--accent);border:1px solid var(--accent-dark);box-shadow:0 0 0 4px #c65a3a1f;color:#fff;font-family:var(--font-display);font-size:1.12rem;font-weight:700;line-height:1}.step-body h3{margin:0 0 8px;font-size:1.06rem;font-weight:700;letter-spacing:.03em}.step-body p{margin:0;font-size:.92rem;color:var(--ink-2);line-height:2;max-width:34em}.how-steps--vertical{grid-template-columns:1fr;gap:44px;max-width:46em}.how-steps--vertical .step:after{inset:auto auto -32px 50%;margin-top:0;margin-left:-7.5px;transform:rotate(135deg)}.faq{margin:0 0 var(--space-section)}.faq details{background:transparent;border-bottom:1px solid var(--line);padding:4px 0}.faq details:first-of-type{border-top:1px solid var(--line)}.faq summary{font-weight:600;font-size:1rem;cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:20px 4px;transition:color .15s;text-wrap:pretty}.faq summary:hover{color:var(--accent-dark)}.faq summary::-webkit-details-marker{display:none}.faq-icon{position:relative;width:14px;height:14px;flex:none}.faq-icon:before,.faq-icon:after{content:"";position:absolute;background:var(--ink-2);transition:transform .2s}.faq-icon:before{left:0;top:6px;width:14px;height:2px}.faq-icon:after{content:"";position:absolute;left:4.5px;top:0;width:2px;height:14px;background:var(--ink-2);transition:transform .2s}.faq details[open] .faq-icon:after{transform:scaleY(0)}.faq details[open] summary{color:var(--accent-dark)}.faq p{color:var(--ink-2);margin:0;padding:0 26px 22px 4px;font-size:.95rem;line-height:2.05;max-width:44em;text-wrap:pretty}.site-footer{border-top:1px solid var(--line);background:var(--surface);padding:40px clamp(20px,4vw,44px) 32px}.footer-inner{max-width:var(--content-w);margin:0 auto;display:flex;justify-content:space-between;align-items:flex-start;gap:24px;flex-wrap:wrap}.footer-brand p{margin:0}.footer-brand{font-weight:700;font-size:1.05rem}.footer-kana{font-size:.58rem;letter-spacing:.28em;color:var(--accent-dark);margin-left:8px;vertical-align:.5em}.footer-tag{font-size:.78rem;color:var(--ink-2);margin-top:4px!important}.footer-links{display:flex;gap:22px;flex-wrap:wrap}.footer-links a{color:var(--ink-2);text-decoration:none;font-size:.82rem;font-weight:600}.footer-links a:hover{color:var(--accent-dark)}.copyright{font-size:.74rem;color:var(--ink-3);margin:0}.sub-page main{max-width:840px;padding-bottom:72px}.sub-page .hero{padding:clamp(36px,6vw,64px) 0 8px}.sub-page .hero-eyebrow{margin-bottom:14px}.sub-page h1{font-size:clamp(1.5rem,3.6vw,2rem)}.sub-page h2{margin-top:8px}@media(max-width:880px){.hero-inner{grid-template-columns:1fr}.hero-visual{display:none}.privacy-grid{grid-template-columns:1fr;gap:8px}.how-steps{grid-template-columns:1fr;gap:44px}.step:after{inset:auto auto -32px 50%;margin-top:0;margin-left:-7.5px;transform:rotate(135deg)}}@media(max-width:640px){.site-header{padding:10px 16px}.site-nav{gap:11px;font-size:.8rem}.hero{padding-top:20px}.hero-title{font-size:clamp(1.22rem,5.4vw,1.6rem)}.hero-lead{font-size:.92rem;line-height:1.85}.hero-points li{font-size:.74rem;padding:4px 12px}.workspace-outer{box-shadow:5px 6px 0 -2px var(--surface-2)}.toolbar-groups{flex-direction:column;align-items:stretch}.toolbar-sep,.toolbar-spacer{display:none}.toolbar-group{width:100%}.toolbar-group .btn{flex:1 1 auto}#saveBtn{width:100%;padding:12px 16px}.split-size-wrap{width:100%}.split-size-wrap .btn{flex:1 1 auto}.pages-grid{grid-template-columns:repeat(auto-fill,minmax(104px,1fr));gap:10px}.dz-main{font-size:1.05rem}.hero-strip{grid-template-columns:1fr 1fr}.hero-point{padding:14px 16px}}
