:root{--bg-primary: #0f172a;--bg-secondary: #1e293b;--bg-card: rgba(30, 41, 59, .7);--text-primary: #f8fafc;--text-secondary: #cbd5e1;--accent-color: #6366f1;--accent-hover: #4f46e5;--danger-color: #ef4444;--border-color: rgba(255, 255, 255, .1);--glass-blur: blur(12px);--radius-lg: 16px;--radius-md: 8px;--shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, .3), 0 8px 10px -6px rgba(0, 0, 0, .3)}*{box-sizing:border-box;margin:0;padding:0}html{height:100%;overflow:hidden}body{font-family:Noto Sans JP,sans-serif;background-color:var(--bg-primary);background-image:radial-gradient(at 0% 0%,rgba(99,102,241,.15) 0px,transparent 50%),radial-gradient(at 100% 100%,rgba(244,63,94,.1) 0px,transparent 50%);color:var(--text-primary);height:100%;overflow:hidden;display:flex;flex-direction:column}#app{display:flex;flex:1;height:100vh;overflow:hidden}.app-container{display:flex;width:100%;height:100%}.control-panel{width:45%;min-width:450px;max-width:600px;background:var(--bg-card);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);border-right:1px solid var(--border-color);display:flex;flex-direction:column;height:100%;box-shadow:var(--shadow-lg)}.panel-header{padding:24px;border-bottom:1px solid var(--border-color);background:#0f172a66}.panel-title{font-size:1.5rem;font-weight:700;background:linear-gradient(to right,#a5b4fc,#fda4af);-webkit-background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:4px}.panel-subtitle{font-size:.8rem;color:var(--text-secondary)}.tab-navigation{display:flex;background:#0f172a99;padding:4px;margin:16px 24px 0;border-radius:var(--radius-md);border:1px solid var(--border-color)}.tab-btn{flex:1;background:transparent;border:none;color:var(--text-secondary);padding:10px 4px;font-size:.85rem;font-weight:500;cursor:pointer;border-radius:6px;transition:all .2s ease}.tab-btn:hover{color:var(--text-primary)}.tab-btn.active{background:var(--accent-color);color:var(--text-primary);box-shadow:0 4px 12px #6366f14d}.panel-content{flex:1;overflow-y:auto;padding:24px}.tab-content{display:none}.tab-content.active{display:block}h3{font-size:1.1rem;margin-bottom:16px;border-left:4px solid var(--accent-color);padding-left:8px;color:var(--text-primary)}.form-group{margin-bottom:16px}.form-row{display:flex;gap:12px}.form-row .form-group{flex:1}label{display:block;font-size:.85rem;color:var(--text-secondary);margin-bottom:6px}input[type=text],input[type=tel],select,textarea{width:100%;background:#0f172a99;border:1px solid var(--border-color);color:var(--text-primary);padding:10px 14px;border-radius:var(--radius-md);font-size:.9rem;transition:all .2s ease}input[type=text]:focus,input[type=tel]:focus,select:focus,textarea:focus{outline:none;border-color:var(--accent-color);box-shadow:0 0 0 2px #6366f133}.btn{background:var(--accent-color);color:var(--text-primary);border:none;padding:12px 20px;font-weight:500;border-radius:var(--radius-md);cursor:pointer;transition:all .2s ease;display:inline-flex;align-items:center;justify-content:center;gap:8px}.btn:hover{background:var(--accent-hover);transform:translateY(-1px)}.btn-secondary{background:#ffffff1a;color:var(--text-primary)}.btn-secondary:hover{background:#ffffff26}.btn-danger{background:var(--danger-color)}.btn-danger:hover{background:#dc2626}.recipient-list{list-style:none;display:flex;flex-direction:column;gap:10px}.recipient-item{background:#1e293b66;border:1px solid var(--border-color);border-radius:var(--radius-md);padding:12px 16px;display:flex;align-items:center;justify-content:space-between;cursor:pointer;transition:all .2s ease}.recipient-item:hover{border-color:var(--accent-color);background:#1e293b99}.recipient-item.active{border-color:var(--accent-color);background:#6366f126;box-shadow:0 0 8px #6366f133}.recipient-item-info{flex:1}.recipient-item-name{font-weight:600;font-size:.95rem}.recipient-item-address{font-size:.8rem;color:var(--text-secondary);margin-top:4px}.recipient-item-actions{display:flex;gap:8px}.icon-btn{background:transparent;border:none;color:var(--text-secondary);cursor:pointer;padding:6px;border-radius:4px;transition:all .2s ease}.icon-btn:hover{color:var(--text-primary);background:#ffffff1a}.csv-actions{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:24px}.preview-area{flex:1;background:#020617;display:flex;flex-direction:column;align-items:center;justify-content:flex-start;padding:24px;position:relative;overflow:auto;gap:20px}.preview-header{width:100%;display:flex;justify-content:space-between;align-items:center;flex-shrink:0}.preview-title{font-size:1rem;color:var(--text-secondary)}.postcard-wrapper{margin:auto 0;transform-origin:center;box-shadow:0 25px 50px -12px #0009;background:#fff;border-radius:2px;overflow:hidden}.postcard{width:100mm;height:148mm;background:#fff;color:#000;position:relative;overflow:hidden;box-sizing:border-box;writing-mode:vertical-rl;-webkit-writing-mode:vertical-rl;text-orientation:upright;-webkit-text-orientation:upright}.postcard-template-decorations{position:absolute;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:1}.decor-logo{position:absolute;top:5mm;left:36mm;writing-mode:horizontal-tb;-webkit-writing-mode:horizontal-tb;font-family:"Noto Serif JP",serif;font-weight:500;font-size:8.5pt;color:#f33;letter-spacing:2.2mm;opacity:.85}.decor-stamp{position:absolute;top:12mm;left:12mm;width:18mm;height:22mm;border:1px solid rgba(255,51,51,.35);display:flex;flex-direction:column;align-items:center;justify-content:center;background:#fff0f066;opacity:.85}.decor-stamp-art{width:12mm;height:12mm;border:1.5px solid #ff3333;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:6.5pt;font-weight:700;color:#f33;margin-bottom:2px}.decor-stamp-text{font-size:5pt;color:#f33;font-weight:700}.decor-sender-postal-box{position:absolute;left:6mm;bottom:22mm;display:flex;gap:0;writing-mode:horizontal-tb;-webkit-writing-mode:horizontal-tb;z-index:3}.decor-sender-digit{width:3.1mm;height:4.8mm;border:1px dashed rgba(255,51,51,.75);display:flex;align-items:center;justify-content:center;font-size:3.8mm;font-family:Helvetica Neue,Arial,sans-serif;font-weight:700;color:#000;line-height:1}.decor-sender-postal-box .decor-sender-digit:nth-child(3){margin-right:2mm}.decor-sender-postal-box .decor-sender-digit:not(:last-child):not(:nth-child(3)){margin-right:.6mm}.decor-lottery{position:absolute;bottom:6mm;left:8mm;right:8mm;height:13mm;border:1px dashed rgba(255,51,51,.4);background:#fff5f54d;display:flex;align-items:center;justify-content:center;font-size:7.5pt;color:#f33;font-weight:500;letter-spacing:.5mm;opacity:.8;writing-mode:horizontal-tb;-webkit-writing-mode:horizontal-tb}.postal-code-container{position:absolute;top:8mm;left:44mm;display:flex;gap:0;writing-mode:horizontal-tb;-webkit-writing-mode:horizontal-tb;z-index:2}.postal-digit-box{width:5.7mm;height:8mm;border:1.2px solid #ff3333;display:flex;align-items:center;justify-content:center;font-size:6mm;font-family:Helvetica Neue,Arial,sans-serif;font-weight:700;color:#000;line-height:1}.postal-digit-box:nth-child(3){margin-right:3.3mm}.postal-digit-box:not(:last-child):not(:nth-child(3)){margin-right:1.1mm}.vertical-text{writing-mode:vertical-rl;-webkit-writing-mode:vertical-rl;text-orientation:upright;-webkit-text-orientation:upright;white-space:nowrap}.recipient-address-wrap{position:absolute;top:26mm;right:8mm;width:25mm;display:flex;flex-direction:column;align-items:flex-start;z-index:2}.recipient-address-1{line-height:1.5;letter-spacing:.5px;white-space:nowrap}.recipient-address-2{line-height:1.5;margin-left:3.5mm;white-space:nowrap}.recipient-names-wrap{position:absolute;top:32mm;left:38mm;right:38mm;bottom:15mm;display:flex;flex-direction:column;justify-content:center;align-items:flex-start;z-index:2}.recipient-name-block{display:block;height:100%;margin-left:1.5mm}.recipient-name{font-weight:600;line-height:1.25;letter-spacing:4mm;height:100%;white-space:nowrap;writing-mode:vertical-rl;-webkit-writing-mode:vertical-rl;text-orientation:upright;-webkit-text-orientation:upright}.sender-wrap{position:absolute;left:6mm;width:28mm;bottom:27mm;display:flex;flex-direction:column;align-items:flex-start;height:60mm;z-index:2}.sender-address{line-height:1.45;letter-spacing:.3px;white-space:nowrap}.sender-names-block{display:flex;flex-direction:column;align-items:flex-start;margin-left:3mm;height:100%}.sender-name{line-height:1.3;letter-spacing:2mm;white-space:nowrap}.sender-contact-block{display:flex;flex-direction:column;align-items:flex-start;margin-left:2mm}.sender-phone{font-family:inherit;font-size:8pt;writing-mode:vertical-rl;-webkit-writing-mode:vertical-rl;text-orientation:upright;-webkit-text-orientation:upright;white-space:nowrap}.pdf-rendering .postcard-template-decorations{display:none!important}.pdf-rendering .decor-sender-digit,.pdf-rendering .postal-digit-box{border-color:transparent!important}.slider-group{margin-bottom:14px}.slider-label{display:flex;justify-content:space-between;font-size:.8rem;margin-bottom:4px;color:var(--text-secondary)}.slider-val{font-family:monospace;color:var(--accent-color)}input[type=range]{width:100%;height:6px;background:#0f172a99;border-radius:3px;outline:none;-webkit-appearance:none;border:1px solid var(--border-color)}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:16px;height:16px;border-radius:50%;background:var(--accent-color);cursor:pointer;transition:all .1s ease}input[type=range]::-webkit-slider-thumb:hover{transform:scale(1.2)}.loader-overlay{position:absolute;top:0;left:0;right:0;bottom:0;background:#0f172ad9;-webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);display:flex;flex-direction:column;align-items:center;justify-content:center;z-index:100;gap:16px}.loader-spinner{width:50px;height:50px;border:4px solid rgba(99,102,241,.2);border-top-color:var(--accent-color);border-radius:50%;animation:spin 1s infinite linear}@keyframes spin{to{transform:rotate(360deg)}}.loader-text{font-size:1.1rem;font-weight:500}.checkbox-label{display:inline-flex;align-items:center;gap:8px;cursor:pointer;-webkit-user-select:none;user-select:none}.checkbox-label input[type=checkbox]{width:16px;height:16px;accent-color:var(--accent-color)}.postcard-watermark{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%) rotate(-45deg);font-family:Noto Sans JP,sans-serif;font-weight:900;font-size:22mm;color:#ef446e26;letter-spacing:2mm;z-index:10;pointer-events:none;white-space:nowrap;-webkit-user-select:none;user-select:none;writing-mode:horizontal-tb!important;-webkit-writing-mode:horizontal-tb!important}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#0f172acc;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;z-index:1000;animation:fadeIn .2s ease-out}.modal-content{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:32px;width:90%;max-width:440px;box-shadow:var(--shadow-lg);text-align:center;animation:scaleIn .2s ease-out}.modal-icon{width:64px;height:64px;background:#6366f126;color:var(--accent-color);border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 20px}.modal-title{font-size:1.3rem;font-weight:700;margin-bottom:12px;color:var(--text-primary)}.modal-description{font-size:.9rem;color:var(--text-secondary);line-height:1.6;margin-bottom:24px}.modal-actions{display:flex;flex-direction:column;gap:10px}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes scaleIn{0%{transform:scale(.95);opacity:0}to{transform:scale(1);opacity:1}}.license-status-card{background:#1e293b66;border:1px solid var(--border-color);border-radius:var(--radius-md);padding:20px;margin-bottom:24px;text-align:center}.license-status-badge{display:inline-block;padding:4px 12px;border-radius:9999px;font-size:.8rem;font-weight:700;margin-top:8px}.license-status-badge.active{background:#10b98133;color:#10b981;border:1px solid rgba(16,185,129,.3)}.license-status-badge.inactive{background:#ef444433;color:#ef4444;border:1px solid rgba(239,68,68,.3)}.pwa-install-btn{display:inline-flex;align-items:center;justify-content:center;width:100%;padding:10px 16px;background:linear-gradient(135deg,#e11d48,#be123c);color:#fff;border:none;border-radius:var(--radius-md);font-size:.85rem;font-weight:600;cursor:pointer;box-shadow:0 4px 12px #e11d4840;transition:all .2s ease;margin-top:8px}.pwa-install-btn:hover{background:linear-gradient(135deg,#f43f5e,#e11d48);transform:translateY(-1px);box-shadow:0 6px 16px #e11d4859}.pwa-install-btn:active{transform:translateY(0)}.pwa-install-btn svg{flex-shrink:0}