:root{--bg-primary: #0a0a14;--bg-secondary: #12121f;--bg-card: rgba(255, 255, 255, .04);--bg-card-hover: rgba(255, 255, 255, .08);--bg-glass: rgba(255, 255, 255, .06);--border-glass: rgba(255, 255, 255, .1);--text-primary: #f0f0f5;--text-secondary: #9999b0;--text-muted: #666680;--accent-start: #6366f1;--accent-end: #a855f7;--accent-glow: rgba(99, 102, 241, .3);--success: #22c55e;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 20px;--shadow-soft: 0 4px 24px rgba(0, 0, 0, .3);--shadow-glow: 0 0 30px rgba(99, 102, 241, .15);--transition-fast: .15s ease;--transition-normal: .25s ease;--transition-smooth: .4s cubic-bezier(.4, 0, .2, 1);--font-main: "Noto Sans JP", "Hiragino Sans", sans-serif}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:var(--font-main);background:var(--bg-primary);color:var(--text-primary);line-height:1.7;min-height:100vh;-webkit-font-smoothing:antialiased}body:before{content:"";position:fixed;top:0;left:0;right:0;bottom:0;background:radial-gradient(ellipse at 20% 0%,rgba(99,102,241,.08) 0%,transparent 60%),radial-gradient(ellipse at 80% 100%,rgba(168,85,247,.06) 0%,transparent 60%);pointer-events:none;z-index:0}.header{position:sticky;top:0;z-index:100;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);background:#0a0a14bf;border-bottom:1px solid var(--border-glass)}.header__inner{max-width:1400px;margin:0 auto;padding:14px 24px}.header__logo{display:flex;align-items:center;gap:10px;font-weight:700}.header__logo-icon{font-size:1.6rem;animation:float 3s ease-in-out infinite}.header__logo-text{font-size:1.3rem;background:linear-gradient(135deg,var(--accent-start),var(--accent-end));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.header__logo-sub{font-size:.75rem;font-weight:400;color:var(--text-muted);margin-left:4px}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-3px)}}.app{position:relative;z-index:1;max-width:1400px;margin:0 auto;padding:28px 24px}.app__layout{display:grid;grid-template-columns:1fr 380px;gap:28px;align-items:start}.preview-panel{position:sticky;top:80px}.preview-panel__header{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}.preview-panel__title{font-size:.9rem;color:var(--text-secondary);font-weight:500;text-transform:uppercase;letter-spacing:.08em}.preview-panel__size-badge{font-size:.72rem;padding:3px 10px;background:var(--bg-glass);border:1px solid var(--border-glass);border-radius:20px;color:var(--text-muted);font-variant-numeric:tabular-nums}.preview-panel__canvas-wrap{position:relative;background:var(--bg-card);border:1px solid var(--border-glass);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-soft),var(--shadow-glow);transition:box-shadow var(--transition-smooth)}.preview-panel__canvas-wrap:hover{box-shadow:var(--shadow-soft),0 0 50px #6366f133}.preview-panel__canvas-wrap canvas{display:block;width:100%;height:auto}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:none;cursor:pointer;font-family:var(--font-main);font-weight:600;transition:all var(--transition-normal)}.btn--primary{background:linear-gradient(135deg,var(--accent-start),var(--accent-end));color:#fff;border-radius:var(--radius-md);padding:14px 28px;font-size:1rem;box-shadow:0 4px 16px #6366f14d}.btn--primary:hover{transform:translateY(-2px);box-shadow:0 8px 28px #6366f173}.btn--primary:active{transform:translateY(0)}.btn--download{width:100%;margin-top:16px}.btn__icon{font-size:1.2rem}.btn--success{background:linear-gradient(135deg,#22c55e,#16a34a)!important}.control-panel{display:flex;flex-direction:column;gap:6px}.control-section{background:var(--bg-glass);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--border-glass);border-radius:var(--radius-lg);padding:18px;transition:border-color var(--transition-normal)}.control-section:hover{border-color:#ffffff26}.control-section__title{font-size:.82rem;font-weight:600;color:var(--text-secondary);margin-bottom:12px;display:flex;align-items:center;gap:6px;text-transform:uppercase;letter-spacing:.06em}.control-section__icon{font-size:1rem}.control-group{margin-bottom:12px}.control-group:last-child{margin-bottom:0}.control-label{display:block;font-size:.78rem;color:var(--text-muted);margin-bottom:5px;font-weight:500}.control-input{width:100%;padding:10px 14px;background:#0000004d;border:1px solid rgba(255,255,255,.08);border-radius:var(--radius-sm);color:var(--text-primary);font-family:var(--font-main);font-size:.9rem;transition:all var(--transition-fast);outline:none}.control-input::placeholder{color:var(--text-muted)}.control-input:focus{border-color:var(--accent-start);box-shadow:0 0 0 3px #6366f126}.control-input--emoji{width:72px;font-size:1.5rem;text-align:center;padding:6px}.control-hint{display:block;font-size:.7rem;color:var(--text-muted);text-align:right;margin-top:3px;font-variant-numeric:tabular-nums}.control-select{width:100%;padding:10px 36px 10px 14px;background:#0000004d;border:1px solid rgba(255,255,255,.08);border-radius:var(--radius-sm);color:var(--text-primary);font-family:var(--font-main);font-size:.9rem;outline:none;cursor:pointer;transition:border-color var(--transition-fast);-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg 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#ffffff4d}.align-buttons{display:flex;gap:4px}.align-btn{flex:1;padding:8px;background:#0000004d;border:1px solid rgba(255,255,255,.08);border-radius:var(--radius-sm);color:var(--text-secondary);font-size:1.1rem;cursor:pointer;transition:all var(--transition-fast)}.align-btn:hover{background:#ffffff0f}.align-btn.active{background:linear-gradient(135deg,var(--accent-start),var(--accent-end));color:#fff;border-color:transparent}.template-gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.template-thumb{aspect-ratio:1200 / 630;border-radius:var(--radius-sm);border:2px solid transparent;cursor:pointer;overflow:hidden;transition:all var(--transition-normal);position:relative}.template-thumb:hover{transform:scale(1.04);border-color:#fff3}.template-thumb.active{border-color:var(--accent-start);box-shadow:0 0 12px #6366f166}.template-thumb canvas{display:block;width:100%;height:100%}.template-thumb__label{position:absolute;bottom:0;left:0;right:0;padding:2px 4px;background:#0009;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);font-size:.55rem;text-align:center;color:#ffffffd9;font-weight:500}.howto{position:relative;z-index:1;margin-top:60px;padding:60px 24px;background:var(--bg-secondary);border-top:1px solid var(--border-glass)}.howto__inner{max-width:900px;margin:0 auto}.howto__title{text-align:center;font-size:1.5rem;margin-bottom:40px;background:linear-gradient(135deg,var(--accent-start),var(--accent-end));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.howto__steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.howto__step{text-align:center;padding:28px 20px;background:var(--bg-glass);border:1px solid var(--border-glass);border-radius:var(--radius-lg);position:relative;transition:transform var(--transition-normal),border-color var(--transition-normal)}.howto__step:hover{transform:translateY(-4px);border-color:#6366f14d}.howto__step-number{position:absolute;top:-14px;left:50%;transform:translate(-50%);width:28px;height:28px;background:linear-gradient(135deg,var(--accent-start),var(--accent-end));border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.78rem;font-weight:700;color:#fff}.howto__step-icon{font-size:2rem;margin-bottom:12px}.howto__step h3{font-size:1rem;margin-bottom:8px}.howto__step p{font-size:.82rem;color:var(--text-secondary);line-height:1.6}.faq{position:relative;z-index:1;padding:60px 24px}.faq__inner{max-width:750px;margin:0 auto}.faq__title{text-align:center;font-size:1.5rem;margin-bottom:32px;color:var(--text-primary)}.faq__item{background:var(--bg-glass);border:1px solid var(--border-glass);border-radius:var(--radius-md);margin-bottom:10px;overflow:hidden;transition:border-color var(--transition-normal)}.faq__item[open]{border-color:#6366f14d}.faq__question{padding:16px 20px;cursor:pointer;font-weight:600;font-size:.92rem;list-style:none;display:flex;align-items:center;gap:10px;transition:color var(--transition-fast)}.faq__question::-webkit-details-marker{display:none}.faq__question:before{content:"▸";color:var(--accent-start);transition:transform var(--transition-fast);flex-shrink:0}.faq__item[open] .faq__question:before{transform:rotate(90deg)}.faq__answer{padding:0 20px 16px;font-size:.85rem;color:var(--text-secondary);line-height:1.7}.ad-unit{position:relative;z-index:1;padding:20px 24px}.ad-unit__inner{max-width:900px;margin:0 auto;min-height:90px}.article{position:relative;z-index:1;padding:60px 24px;background:var(--bg-secondary);border-top:1px solid var(--border-glass)}.article__inner{max-width:750px;margin:0 auto}.article__title{font-size:1.4rem;margin-bottom:28px;background:linear-gradient(135deg,var(--accent-start),var(--accent-end));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.article__content h3{font-size:1.05rem;margin:24px 0 10px;color:var(--text-primary);padding-left:12px;border-left:3px solid var(--accent-start)}.article__content p{font-size:.88rem;color:var(--text-secondary);line-height:1.8;margin-bottom:12px}.article__content ul{list-style:none;padding:0;margin-bottom:16px}.article__content li{font-size:.88rem;color:var(--text-secondary);line-height:1.8;padding:4px 0 4px 20px;position:relative}.article__content li:before{content:"✓";position:absolute;left:0;color:var(--accent-start);font-weight:700}.article__content pre{background:#0006;border:1px solid var(--border-glass);border-radius:var(--radius-sm);padding:16px;overflow-x:auto;margin:12px 0}.article__content code{font-family:Consolas,Monaco,monospace;font-size:.82rem;color:#a5b4fc}.article__content p code{background:#6366f11f;padding:2px 6px;border-radius:4px}.footer{position:relative;z-index:1;padding:28px 24px;border-top:1px solid var(--border-glass);text-align:center}.footer__text{font-size:.78rem;color:var(--text-muted)}@media(max-width:960px){.app__layout{grid-template-columns:1fr}.preview-panel{position:relative;top:0}.howto__steps{grid-template-columns:1fr;gap:20px}.template-gallery{grid-template-columns:repeat(4,1fr)}}@media(max-width:600px){.header__logo-sub{display:none}.app{padding:16px 12px}.control-section{padding:14px}.template-gallery{grid-template-columns:repeat(2,1fr)}}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.control-section{animation:fadeIn .4s ease backwards}.control-section:nth-child(1){animation-delay:.05s}.control-section:nth-child(2){animation-delay:.1s}.control-section:nth-child(3){animation-delay:.15s}.control-section:nth-child(4){animation-delay:.2s}.control-section:nth-child(5){animation-delay:.25s}.control-section:nth-child(6){animation-delay:.3s}.control-section:nth-child(7){animation-delay:.35s}