:root{color-scheme:light;--primary: var(--accent);--primary-hover: var(--accent-hover);--secondary: var(--fg-muted);--danger: var(--kch-danger);--bg-body: var(--bg);--bg-card: #ffffff;--text-main: var(--fg);--text-muted: var(--fg-muted);--border-color: var(--border);--radius-sm: 6px;--radius-md: 12px;--radius-lg: 16px;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--fg: #1a1814;--fg-muted: #6b665d;--fg-faint: #97928a;--bg: #fbfaf7;--bg-sunken: #f4f2ed;--border: #e8e4dc;--border-strong: #d8d2c5;--accent: #2563eb;--accent: oklch(58% .14 250);--accent-soft: #eff6ff;--accent-soft: oklch(96% .02 250);--accent-fg: #ffffff;--accent-hover: #1d4ed8;--accent-hover: oklch(48% .14 250);--kch-danger: #e53e3e;--kch-danger: oklch(58% .18 25);--radius: 6px;--kch-radius-lg: 10px;--font-body: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", "Meiryo", sans-serif;--font-display: var(--font-body);--font-mono: ui-monospace, "SF Mono", Menlo, Monaco, Consolas, monospace;--sem-success-bg: oklch(95% .045 140);--sem-success-fg: oklch(46% .13 142);--sem-success-bd: oklch(80% .085 140);--sem-warning-bg: oklch(95.5% .05 75);--sem-warning-fg: oklch(50% .13 62);--sem-warning-bd: oklch(83% .1 72);--sem-danger-bg: oklch(95% .04 28);--sem-danger-fg: oklch(54% .16 27);--sem-danger-bd: oklch(83% .1 26);--sem-accent-bg: var(--accent-soft);--sem-accent-fg: var(--accent-hover);--sem-accent-bd: oklch(86% .05 250);--sem-plum-bg: oklch(95% .045 330);--sem-plum-fg: oklch(51% .16 330);--sem-plum-bd: oklch(82% .1 330);--sem-teal-bg: oklch(95% .035 178);--sem-teal-fg: oklch(48% .11 180);--sem-teal-bd: oklch(81% .07 178)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-body);background-color:var(--bg-body);color:var(--text-main);line-height:1.6;min-height:100vh;padding:0;-webkit-font-smoothing:antialiased}.container{background:var(--bg-card);border-radius:var(--radius-lg);padding:40px;max-width:900px;margin:0 auto;box-shadow:var(--shadow-md);border:1px solid rgba(255,255,255,.5)}.container-small{max-width:540px}.container-medium{max-width:720px}.container-large{max-width:1200px}h1{font-size:24px;font-weight:700;color:var(--text-main);margin-bottom:.5em;letter-spacing:.02em}h2{font-size:18px;font-weight:700;color:var(--text-main);margin-bottom:1em;display:flex;align-items:center;gap:8px}a{color:var(--primary);text-decoration:none;transition:color .2s}a:hover{color:var(--primary-hover);text-decoration:underline}.section-icon,.success-icon,.error-icon{display:inline-block;filter:grayscale(100%);opacity:.8}.success-icon,.error-icon{font-size:48px;margin-bottom:16px;filter:none}.subtitle{color:var(--text-muted);font-size:14px;margin-bottom:32px;text-align:center}.text-center{text-align:center}.text-bold{font-weight:700}.section{background:#fff;padding:0 0 40px;margin:40px 0;border-bottom:1px solid var(--border-color)}.section:last-child{border-bottom:none;padding-bottom:0}.section h2{border-bottom:none;font-size:18px;color:var(--text-main)}.optional-details{border:1px solid var(--border-color);border-radius:var(--radius-md);background:#fff;padding:0;margin:24px 0}.optional-details summary{cursor:pointer;list-style:none;padding:16px 20px;font-weight:700;color:var(--text-main);display:flex;align-items:center;justify-content:space-between}.optional-details summary::-webkit-details-marker{display:none}.optional-toggle-icon{font-size:18px;color:var(--text-muted);margin-left:12px}.optional-details .optional-body{padding:0 20px 20px;border-top:1px solid var(--border-color)}.optional-divider{border:0;border-top:1px solid var(--border-color);margin:20px 0}label{display:block;font-size:14px;font-weight:500;color:var(--text-main);margin-bottom:8px}.required:after{content:"\5fc5\9808";font-size:10px;background:var(--danger);color:#fff;padding:2px 6px;border-radius:4px;margin-left:8px;vertical-align:middle}.tag-req{display:inline-block;font-size:10px;font-weight:600;background:var(--kch-danger, var(--danger));color:#fff;padding:2px 6px;border-radius:4px;margin-left:6px;vertical-align:middle;letter-spacing:.02em}.tag-opt{display:inline-block;font-size:10px;font-weight:500;background:var(--bg-sunken, #f4f2ed);color:var(--fg-muted, var(--text-muted));border:1px solid var(--border, var(--border-color));padding:2px 6px;border-radius:4px;margin-left:6px;vertical-align:middle}input[type=text],input[type=email],input[type=tel],input[type=number],input[type=datetime-local],input[type=password],select,textarea{width:100%;padding:12px 16px;background:var(--bg-sunken, #f9fafb);border:1px solid var(--border, var(--border-color));border-radius:var(--radius-sm);font-size:15px;color:var(--fg, var(--text-main));transition:all .2s ease;appearance:none}input[type=number]:disabled{background-color:var(--bg-sunken, #f3f4f6);color:var(--fg-faint, #9ca3af);cursor:not-allowed;opacity:.6;border-color:var(--border, #e5e7eb)}input:focus,input[type=password]:focus,select:focus,textarea:focus{background:var(--bg-card, #fff);border-color:var(--accent, var(--primary));box-shadow:0 0 0 4px var(--accent-soft, rgba(37, 99, 235, .25));outline:none}.form-hint{font-size:12px;color:var(--text-muted);margin-top:6px}.field-error{font-size:12px;color:var(--danger);margin-top:6px}.input-error{border-color:var(--danger);box-shadow:0 0 0 3px #ef444433}.btn,button{display:inline-flex;align-items:center;justify-content:center;padding:12px 24px;border:1px solid transparent;border-radius:var(--radius-sm);font-size:14px;font-weight:500;cursor:pointer;transition:all .2s;text-decoration:none;letter-spacing:.02em;gap:8px}.submit-btn,.btn-primary,button[type=submit]{background:var(--accent, var(--primary));color:var(--accent-fg, white);box-shadow:var(--shadow-sm);width:100%}.submit-btn:hover:not(:disabled),.btn-primary:hover,button[type=submit]:hover{background:var(--accent-hover, var(--primary-hover));transform:translateY(-1px);box-shadow:var(--shadow-md)}.submit-btn:disabled{background:var(--text-muted);opacity:.5;cursor:not-allowed}.copy-btn,.add-btn,.refresh-btn{background:#fff;border:1px solid var(--border-color);color:var(--text-main);padding:8px 16px;border-radius:var(--radius-sm);font-size:13px;width:auto;margin:0;box-shadow:none}.copy-btn:hover,.add-btn:hover,.refresh-btn:hover{background:var(--bg-sunken, #f9fafb);border-color:var(--border-strong, #d1d5db);transform:none;color:var(--accent, var(--primary))}.btn-danger{background:#fff;border:1px solid var(--danger);color:var(--danger)}.btn-danger:hover{background:var(--sem-danger-bg)}.btn-block{width:100%;display:flex}.info-box,.success-box,.warning-box,.error-box,.copy-box{padding:20px;border-radius:var(--radius-sm);margin:20px 0;border:none;font-size:14px}.info-box{background:var(--accent-soft);color:var(--accent-hover)}.success-box{background:var(--sem-success-bg);color:var(--sem-success-fg)}.warning-box{background:var(--sem-warning-bg);color:var(--sem-warning-fg)}.error-box{background:var(--sem-danger-bg);color:var(--sem-danger-fg)}.copy-box{background:var(--bg-sunken);border:1px solid var(--border-color);padding:16px;display:flex;align-items:center;justify-content:space-between;gap:12px}.copy-box-label{font-size:11px;text-transform:uppercase;color:var(--text-muted);letter-spacing:.05em;margin-bottom:4px}.copy-box-content{font-family:Menlo,Monaco,monospace;font-size:13px;color:var(--text-main);word-break:break-all;flex:1}.copy-btn{position:static;transform:none;flex-shrink:0}.table-responsive,.table-container{width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch;display:block;border-radius:var(--radius-sm)}@media(max-width:768px){.table-responsive,.table-container{scrollbar-width:thin;scrollbar-color:var(--border-color) transparent}}table{width:100%;word-break:normal;border-collapse:collapse;margin-top:10px;font-size:14px}th{text-align:left;padding:12px 16px;color:var(--text-muted);font-weight:500;border-bottom:1px solid var(--border-color);background:transparent;white-space:nowrap}td{padding:12px 16px;border-bottom:1px solid var(--border-color);color:var(--text-main);white-space:nowrap}tr:last-child td{border-bottom:none}tr:hover{background:var(--bg-sunken)}.badge{padding:4px 10px;border-radius:999px;font-size:11px;font-weight:600;white-space:nowrap;display:inline-block;text-align:center;min-width:80px}.badge-success,.available{background:var(--sem-success-bg);color:var(--sem-success-fg)}.badge-warning,.low-stock{background:var(--sem-warning-bg);color:var(--sem-warning-fg)}.badge-danger,.sold-out{background:var(--sem-danger-bg);color:var(--sem-danger-fg)}.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:24px;margin-bottom:40px}.stat-card{background:#fff;border:1px solid var(--border-color);border-radius:var(--radius-md);padding:24px;box-shadow:var(--shadow-sm);text-align:left;color:var(--text-main)}.stat-card.secondary,.stat-card.warning,.stat-card.danger{background:#fff}.stat-label{font-size:13px;color:var(--text-muted);font-weight:500}.stat-value{font-size:28px;font-weight:700;margin-top:8px;color:var(--text-main)}.file-input-label{background:#fff;border:1px dashed var(--border-color);border-radius:var(--radius-sm);color:var(--text-muted);transition:all .2s}.file-input-label:hover{border-color:var(--primary);color:var(--primary);background:var(--accent-soft)}@media(max-width:640px){body{padding:10px}.container{padding:16px 12px}.stats{grid-template-columns:1fr 1fr;gap:12px}.stat-value{font-size:20px}.copy-box{flex-direction:column;align-items:stretch}.copy-btn{width:100%;margin-top:8px}table{font-size:13px}th,td{padding:8px 10px}.badge{min-width:60px;font-size:10px;padding:3px 8px}}.calendar-buttons{display:flex;gap:8px;margin-top:12px}.btn-calendar{flex:1;display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:10px 12px;border:1px solid var(--border-color);border-radius:var(--radius-sm);font-size:13px;font-weight:500;cursor:pointer;transition:all .2s;background:#fff;color:var(--text-main)}.btn-calendar svg{flex-shrink:0}.btn-google:hover{background:#f0f9ff;border-color:#4285f4;color:#4285f4;transform:translateY(-1px);box-shadow:0 2px 4px #4285f433}.btn-apple:hover{background:#f5f5f7;border-color:#000;color:#000;transform:translateY(-1px);box-shadow:0 2px 4px #00000026}@media(max-width:640px){.calendar-buttons{flex-direction:column}.btn-calendar{width:100%}}.stepper-input{display:inline-flex!important;align-items:stretch;border:1px solid var(--border-color);border-radius:var(--radius-sm);overflow:hidden;background:#fff;height:40px;width:130px;margin-left:auto}.stepper-btn{width:40px!important;height:100%!important;background:var(--bg-sunken);border:none!important;font-size:18px;font-weight:700;color:var(--text-main);cursor:pointer;transition:all .2s;display:flex;align-items:center;justify-content:center;padding:0;flex-shrink:0}.stepper-btn:hover:not(:disabled){background:var(--border-strong)}.stepper-input input[type=number]{flex:1;width:100%!important;min-width:0;height:100%!important;border:none!important;border-left:1px solid var(--border-color)!important;border-right:1px solid var(--border-color)!important;text-align:center;padding:0!important;margin:0!important;font-size:16px;font-weight:600;background:#fff!important;box-shadow:none!important;border-radius:0!important}.stepper-input input::-webkit-outer-spin-button,.stepper-input input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}@keyframes pulse-gold{0%{transform:scale(1)}50%{transform:scale(1.05)}to{transform:scale(1)}}.amount-update{animation:pulse-gold .3s ease-out}.loading-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#fffc;display:flex;justify-content:center;align-items:center;z-index:9999;visibility:hidden}.loading-overlay.is-active{visibility:visible}.main-header{background:var(--bg, #ffffff);border-bottom:1px solid var(--border, var(--border-color));position:sticky;top:0;z-index:1000;padding:0 20px}.nav-container{max-width:1200px;margin:0 auto;height:60px;display:flex;justify-content:space-between;align-items:center}.nav-logo{display:flex;align-items:center;gap:8px;font-family:var(--font-display, inherit);font-weight:700;font-size:18px;letter-spacing:-.01em;color:var(--fg, var(--text-main));text-decoration:none;transition:color .2s;z-index:1001}.nav-logo:hover{color:var(--accent, var(--primary));text-decoration:none}.menu-toggle{display:none;flex-direction:column;justify-content:space-between;width:24px;height:18px;background:transparent;border:none;cursor:pointer;padding:0;z-index:1001}.menu-toggle span{width:100%;height:2px;background-color:var(--fg, var(--text-main));transition:all .3s}.nav-menu{display:flex;gap:24px;list-style:none}.nav-menu a{font-size:13px;color:var(--fg-muted, #6b665d);font-weight:500;transition:color .2s}.nav-menu a:hover{color:var(--fg, var(--text-main));text-decoration:none}.nav-menu a.ld-nav-cta{background:var(--accent);color:var(--accent-fg, #fff);padding:8px 16px;border-radius:var(--radius, 6px);font-weight:600;font-size:13px;white-space:nowrap}.nav-menu a.ld-nav-cta:hover{filter:brightness(.95);color:var(--accent-fg, #fff);text-decoration:none}.nav-menu-close-btn{display:none;position:absolute;top:20px;right:20px;background:none;border:none;cursor:pointer;font-size:22px;line-height:1;color:var(--fg-muted, #888);padding:4px 8px;border-radius:4px}.nav-menu-close-btn:hover{background:var(--bg-sunken, #f1f0ee);color:var(--fg, #333)}@media(max-width:768px){.nav-menu-close-btn{display:block}}.nav-overlay{display:none;position:fixed;inset:0;background:#00000073;z-index:1001;cursor:pointer}.nav-overlay.is-active{display:block}@media(max-width:768px){.menu-toggle{display:flex}.nav-menu{position:fixed;top:0;right:-100%;width:280px;height:100vh;background:var(--bg, #ffffff);flex-direction:column;padding:80px 40px;gap:25px;box-shadow:-5px 0 15px #0000001a;transition:right .3s ease-in-out;z-index:1002}.nav-menu.is-active{right:0}.menu-toggle.is-active span:nth-child(1){transform:translateY(8px) rotate(45deg)}.menu-toggle.is-active span:nth-child(2){opacity:0}.menu-toggle.is-active span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}}.back-to-top-btn{position:fixed;bottom:32px;right:32px;width:48px;height:48px;border-radius:50%;background-color:var(--primary, #2563eb);color:#fff;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 12px #0003;opacity:0;visibility:hidden;transform:translateY(8px);transition:opacity .25s ease,visibility .25s ease,transform .25s ease,background-color .2s ease;z-index:1000}.back-to-top-btn.is-visible{opacity:1;visibility:visible;transform:translateY(0)}.back-to-top-btn:hover{background-color:var(--primary-hover, #1d4ed8);transform:translateY(-3px)}.back-to-top-btn:active{transform:translateY(0)}@media print{.back-to-top-btn{display:none!important}}.common-footer{background:var(--bg-sunken, #f4f2ed);border-top:1px solid var(--border, #e8e4dc);padding:20px 20px 16px;text-align:center;font-size:12px}.common-footer-nav{display:flex;justify-content:center;flex-wrap:wrap;gap:4px 20px;margin-bottom:10px;list-style:none;padding:0;margin-top:0}.common-footer-nav a{color:var(--fg-muted, #6b665d);text-decoration:none}.common-footer-nav a:hover{color:var(--fg, #1a1814);text-decoration:underline}.common-footer-copy{color:var(--fg-faint, #97928a);margin:0;font-size:12px}@media print{.common-footer{display:none!important}}.theme-studio{--bg: #fbfaf7;--bg-card: #ffffff;--bg-sunken: #f4f2ed;--border: #e8e4dc;--border-strong: #d8d2c5;--fg: #1a1814;--fg-muted: #6b665d;--fg-faint: #97928a;--accent: #2563eb;--accent: oklch(58% .14 250);--accent-soft: #eff6ff;--accent-soft: oklch(96% .02 250);--accent-fg: #ffffff;--danger: #e53e3e;--danger: oklch(58% .18 25);--danger-bg: #fdf0ee;--danger-bg: oklch(96% .02 25);--radius: 6px;--radius-lg: 10px;--font-display: var(--font-body);--font-mono: ui-monospace, "SF Mono", Menlo, Monaco, Consolas, monospace}.spinner{display:inline-block;width:14px;height:14px;vertical-align:-2px;border:2px solid currentColor;border-top-color:transparent;border-radius:50%;animation:kch-spin .7s linear infinite}div.spinner{width:18px;height:18px;margin-right:8px;vertical-align:-4px}@keyframes kch-spin{to{transform:rotate(360deg)}}.error-message{margin:0;padding:12px 14px;border:1px solid var(--danger, #c0392b);border-radius:8px;background:var(--danger-bg, #fdf0ee);color:var(--danger, #c0392b);font-size:14px;font-weight:600;line-height:1.7;text-align:left}.kagoit-ad{--kagoit-ad-label-color: var(--fg-muted);--kagoit-ad-label-bg: #fff;--kagoit-ad-label-border: var(--border)}.common-ad-header[data-kagoit-ad-mode]{padding:15px 10px;background:var(--bg-sunken);border-bottom:1px solid var(--border);margin-bottom:20px}.common-ad-footer[data-kagoit-ad-mode]{padding:30px 10px;background:var(--bg-sunken);border-top:1px solid var(--border);margin-top:50px}