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36px;font-size:.95rem;font-weight:600;cursor:pointer;transition:opacity .15s,transform .15s}.contact-btn:hover{opacity:.88;transform:translateY(-1px)}.contact-support{margin-bottom:10px}.contact-support-link{display:inline-block;background:var(--color-primary);color:#fff;border-radius:50px;padding:11px 28px;font-size:.92rem;font-weight:600;text-decoration:none;transition:opacity .15s,transform .15s}.contact-support-link:hover{opacity:.88;transform:translateY(-1px)}.manual-page{min-height:calc(100vh - 60px);background:var(--color-bg-section);padding:60px 24px 80px}.manual-inner{max-width:960px;margin:0 auto}.manual-title{font-size:2rem;font-weight:800;color:var(--color-text);margin-bottom:8px}.manual-subtitle{color:var(--color-text-muted);font-size:1rem;margin-bottom:40px}.manual-tabs{display:flex;gap:10px;margin-bottom:48px}.manual-tab-btn{padding:10px 28px;border-radius:24px;border:2px solid var(--color-border);background:#fff;cursor:pointer;font-size:.95rem;font-weight:600;color:var(--color-text-muted);transition:all .18s}.manual-tab-btn:hover{border-color:var(--color-primary);color:var(--color-primary)}.manual-tab-btn.active{background:var(--color-primary);border-color:var(--color-primary);color:#fff}.manual-steps{display:flex;flex-direction:column;gap:28px}.manual-step{background:#fff;border:1px solid var(--color-border);border-radius:16px;overflow:hidden}.step-img-clickable{cursor:zoom-in;transition:opacity .18s}.step-img-clickable:hover{opacity:.8}.step-body{padding:32px 36px;display:flex;flex-direction:column;gap:0}.step-num{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:50%;background:var(--color-primary);color:#fff;font-size:.8rem;font-weight:800;letter-spacing:.5px;margin-bottom:12px;flex-shrink:0}.step-title{font-size:1.2rem;font-weight:700;color:var(--color-text);margin:0 0 18px}.step-desc{display:flex;flex-direction:column;gap:14px}.step-desc p{color:var(--color-text-muted);font-size:.95rem;line-height:1.75;margin:0}.step-item{padding:4px 0 6px}.step-item+.step-item{border-top:1px solid var(--color-border);padding-top:14px}.step-term{display:flex;align-items:center;gap:8px;font-size:1rem;font-weight:700;color:var(--color-text);margin-bottom:6px}.step-item p{padding-left:2px}.step-term.tone-bar{color:var(--color-primary-dark)}.step-term.tone-band{color:#3f6fc4}.step-term.tone-median{color:#4b5563}.step-term.tone-now{color:var(--color-accent)}.step-swatch{display:inline-block;width:18px;height:12px;flex:none}.swatch-bar{background-color:var(--color-primary);border-radius:3px 3px 0 0}.swatch-band{background-color:#1a73e829;border:1px solid rgba(26,115,232,.35)}.swatch-median{height:0;border-top:2px solid #6b7280}.swatch-now{height:0;border-top:2px dashed var(--color-accent)}.step-code{display:block;background:#f3f6fb;border-left:3px solid var(--color-primary);border-radius:0 6px 6px 0;padding:8px 14px;font-family:Courier New,Courier,monospace;font-size:.88rem;color:var(--color-text);word-break:break-all}.manual-join-notice{background:#eff6ff;border:1.5px solid #3b82f6;border-radius:14px;padding:24px 28px;margin-bottom:32px}.manual-join-notice-title{font-size:1rem;font-weight:800;color:#1e40af;margin-bottom:14px}.manual-join-notice-list{margin:0;padding-left:20px;display:flex;flex-direction:column;gap:10px}.manual-join-notice-list li{color:#1e3a8a;font-size:.93rem;line-height:1.75}.manual-join-notice-list strong{color:#1e40af}.manual-caution{background:#fffbeb;border:1.5px solid #f59e0b;border-radius:14px;padding:24px 28px;margin-bottom:32px}.manual-caution-title{font-size:1rem;font-weight:800;color:#92400e;margin-bottom:14px}.manual-caution-list{margin:0;padding-left:20px;display:flex;flex-direction:column;gap:10px}.manual-caution-list li{color:#78350f;font-size:.93rem;line-height:1.75}.manual-caution-list strong{color:#92400e}.manual-caution-formula{display:inline-block;margin-top:6px;background:#fef3c7;border-radius:6px;padding:4px 10px;font-size:.88rem;font-family:Courier New,Courier,monospace;color:#78350f}.img-viewer-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000e0;display:flex;align-items:center;justify-content:center;z-index:2000;cursor:zoom-out;animation:viewer-backdrop-in .5s ease forwards}.img-viewer-backdrop.closing{animation:viewer-backdrop-out .45s ease forwards}.img-viewer-frame{display:flex;align-items:center;justify-content:center;animation:viewer-frame-in .5s cubic-bezier(.165,.84,.44,1) forwards}.img-viewer-backdrop.closing .img-viewer-frame{animation:viewer-frame-out .45s ease forwards}.img-viewer-img{max-width:90vw;max-height:90vh;object-fit:contain;border-radius:8px;cursor:default;transition:transform .12s ease;display:block;-webkit-user-select:none;user-select:none}@keyframes viewer-backdrop-in{0%{opacity:0}to{opacity:1}}@keyframes viewer-backdrop-out{0%{opacity:1}to{opacity:0}}@keyframes viewer-frame-in{0%{opacity:0;transform:scale(.75)}to{opacity:1;transform:scale(1)}}@keyframes viewer-frame-out{0%{opacity:1;transform:scale(1)}to{opacity:0;transform:scale(.75)}}.mail-template{background:#f8faff;border:1.5px solid var(--color-primary);border-radius:14px;padding:28px 32px;margin-top:32px}.mail-template-header{margin-bottom:20px}.mail-template-title{font-size:1.1rem;font-weight:800;color:var(--color-text);margin:0 0 10px}.mail-template-note{font-size:.93rem;color:var(--color-text-muted);line-height:1.75;margin:0}.mail-template-body{position:relative;background:#fff;border:1px solid var(--color-border);border-radius:8px;padding:20px 72px 20px 24px;margin-bottom:16px}.mail-template-text{font-family:Courier New,Courier,monospace;font-size:.88rem;color:var(--color-text);line-height:1.9;margin:0;white-space:pre-wrap;word-break:break-all}.mail-template-copy{position:absolute;top:12px;right:12px;padding:4px 12px;border-radius:6px;border:1px solid var(--color-primary);background:#fff;color:var(--color-primary);font-size:.82rem;font-weight:600;cursor:pointer;transition:all .18s}.mail-template-copy:hover{background:var(--color-primary);color:#fff}.mail-template-send{display:inline-block;color:var(--color-primary);font-size:.95rem;font-weight:600;text-decoration:none}.mail-template-send:hover{text-decoration:underline}@media(max-width:720px){.step-body{padding:24px 20px}.manual-title{font-size:1.5rem}}@media(max-width:480px){.manual-tabs{flex-direction:column}.manual-tab-btn{text-align:center}}.step-img{display:flex;justify-content:center;background:#f0f4fa;border:1px solid var(--color-border);border-radius:10px;padding:14px;margin:0 0 20px}.step-img img{width:100%;max-width:880px;height:auto;border-radius:6px;display:block}@media(max-width:720px){.step-img{padding:10px;margin-bottom:16px}}.manual-contact-note{margin-top:36px;text-align:center;font-size:.92rem;color:#5a6270;line-height:2}.manual-tool-link{font-weight:700;color:var(--color-primary, #2456e6);text-decoration:none}.manual-tool-link:hover{text-decoration:underline}