:root{--bg-primary: #FAFBFC;--bg-secondary: #F3F4F6;--bg-tertiary: #E5E7EB;--bg-elevated: #FFFFFF;--text-primary: #111827;--text-secondary: #6B7280;--accent: #10B981;--accent-hover: #059669;--accent-light: #D1FAE5;--border: #E5E7EB;--font-heading: "Inter", "Noto Sans JP", sans-serif;--font-body: "Inter", "Noto Sans JP", sans-serif;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 24px;--radius-full: 9999px;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -2px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -4px rgba(0, 0, 0, .1);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .1), 0 8px 10px -6px rgba(0, 0, 0, .1);--header-bg: rgba(250, 251, 252, .85);--header-border: rgba(229, 231, 235, .8)}[data-theme=dark]{--bg-primary: #0F172A;--bg-secondary: #1E293B;--bg-tertiary: #334155;--bg-elevated: #1E293B;--text-primary: #F1F5F9;--text-secondary: #94A3B8;--accent: #34D399;--accent-hover: #10B981;--accent-light: rgba(52, 211, 153, .15);--border: #334155;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .3);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .4), 0 2px 4px -2px rgba(0, 0, 0, .3);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .4), 0 4px 6px -4px rgba(0, 0, 0, .3);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .5), 0 8px 10px -6px rgba(0, 0, 0, .4);--header-bg: rgba(15, 23, 42, .85);--header-border: rgba(51, 65, 85, .8)}@media(prefers-color-scheme:dark){:root:not([data-theme=light]){--bg-primary: #0F172A;--bg-secondary: #1E293B;--bg-tertiary: #334155;--bg-elevated: #1E293B;--text-primary: #F1F5F9;--text-secondary: #94A3B8;--accent: #34D399;--accent-hover: #10B981;--accent-light: rgba(52, 211, 153, .15);--border: #334155;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .3);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .4), 0 2px 4px -2px rgba(0, 0, 0, .3);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .4), 0 4px 6px -4px rgba(0, 0, 0, .3);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .5), 0 8px 10px -6px rgba(0, 0, 0, .4);--header-bg: rgba(15, 23, 42, .85);--header-border: rgba(51, 65, 85, .8)}}*,*:before,*:after{transition:background-color .2s ease,border-color .2s ease,color .15s ease}body{margin:0;font-family:var(--font-body);background-color:var(--bg-primary);color:var(--text-primary);line-height:1.6;-webkit-font-smoothing:antialiased}#root{min-height:100vh;display:flex;flex-direction:column}h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);font-weight:700;margin:0;line-height:1.2}h1{font-size:clamp(2.5rem,5vw,4rem);letter-spacing:-.02em}p{margin:0 0 1rem}.container{max-width:1200px;margin:0 auto;padding:0 1.5rem;width:100%}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.625rem 1.25rem;border-radius:var(--radius-md);font-weight:600;cursor:pointer;transition:all .15s ease;border:none;text-decoration:none;gap:.5rem;font-family:var(--font-body);font-size:.9375rem}.btn-primary{background-color:var(--accent);color:#fff;box-shadow:var(--shadow-sm)}.btn-primary:hover{background-color:var(--accent-hover);transform:translateY(-1px);box-shadow:var(--shadow-md)}.btn-ghost{background-color:transparent;color:var(--text-secondary)}.btn-ghost:hover{background-color:var(--bg-tertiary);color:var(--text-primary)}.card{background-color:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius-lg);padding:1.5rem;box-shadow:var(--shadow-sm)}.input{width:100%;padding:.75rem 1rem;background-color:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius-md);color:var(--text-primary);outline:none;font-family:var(--font-body);font-size:.9375rem;transition:border-color .2s,box-shadow .2s;box-sizing:border-box}.input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-light)}.input::placeholder{color:var(--text-secondary)}textarea.input{resize:vertical;line-height:1.5}select.input{cursor:pointer}.game-card{position:relative;display:block;background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;text-decoration:none;color:inherit;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;box-shadow:var(--shadow-sm)}.game-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--accent)}.game-card-icon{width:100%;aspect-ratio:16/9;border-bottom:1px solid var(--border);overflow:hidden;background-color:var(--bg-secondary);display:flex;align-items:center;justify-content:center}.game-card-icon img{width:100%;height:100%;object-fit:cover}.game-card-content{padding:1.25rem}.game-card-title{font-size:1.125rem;font-weight:600;margin-bottom:.5rem;transition:color .2s}.game-card:hover .game-card-title{color:var(--accent)}.game-card-desc{font-size:.875rem;color:var(--text-secondary);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.animate-fade-up{animation:fadeInUp .6s cubic-bezier(.16,1,.3,1) forwards}.games-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1.5rem;padding:2rem 0}.section-heading{font-size:1.75rem;font-weight:700;margin-bottom:1.5rem;display:flex;align-items:center;gap:.75rem;color:var(--text-primary)}.section-heading svg{color:var(--accent)}.external-link-btn{display:flex;align-items:center;justify-content:space-between;padding:1rem 1.5rem;border-radius:var(--radius-md);text-decoration:none;color:#fff;transition:transform .2s,box-shadow .2s;font-weight:600;box-shadow:var(--shadow-sm)}.external-link-btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}.external-link-btn.facebook{background-color:#4267b2}.external-link-btn.line{background-color:#06c755}.hero-section{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:50vh;text-align:center;padding:4rem 1.5rem;position:relative;overflow:hidden}.hero-bg-gradient{position:absolute;inset:0;background:radial-gradient(ellipse at 50% 0%,var(--accent-light) 0%,transparent 60%);pointer-events:none;z-index:-1}.hero-title{font-size:clamp(2.5rem,6vw,4rem);font-weight:700;line-height:1.1;letter-spacing:-.03em;margin-bottom:1rem;color:var(--text-primary);font-family:var(--font-heading)}.hero-title .accent{color:var(--accent)}.hero-subtitle{font-size:1.125rem;color:var(--text-secondary);max-width:500px;margin-bottom:2rem;font-family:var(--font-body)}.hero-actions{display:flex;gap:1rem;flex-direction:column;align-items:center}.state-message{padding:2rem;text-align:center;color:var(--text-secondary);background-color:var(--bg-secondary);border:1px dashed var(--border);border-radius:var(--radius-md);font-weight:500}.state-loading{padding:2rem;text-align:center;color:var(--text-secondary)}.site-header{border-bottom:1px solid var(--header-border);background-color:var(--header-bg);position:sticky;top:0;z-index:100;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}.header-container{max-width:1200px;margin:0 auto;padding:0 1.5rem;height:4rem;display:flex;align-items:center;justify-content:space-between}.brand-logo{display:flex;align-items:center;gap:.625rem;font-family:var(--font-heading);font-size:1.125rem;font-weight:700;letter-spacing:-.02em;color:var(--text-primary);text-decoration:none;transition:opacity .2s}.brand-logo:hover{opacity:.8}.brand-logo img{width:32px;height:32px;border-radius:var(--radius-sm)}.site-nav{display:flex;align-items:center;gap:.5rem}.site-footer{border-top:1px solid var(--border);padding:2rem 0;margin-top:4rem;background-color:var(--bg-secondary);text-align:center;color:var(--text-secondary);font-size:.875rem;font-family:var(--font-body)}.hidden-sm{display:none}@media(min-width:640px){.hidden-sm{display:inline}}.theme-toggle{display:flex;align-items:center;justify-content:center;width:2.25rem;height:2.25rem;border-radius:var(--radius-md);background:transparent;border:none;color:var(--text-secondary);cursor:pointer;transition:background-color .2s,color .2s}.theme-toggle:hover{background-color:var(--bg-tertiary);color:var(--text-primary)}.game-detail-grid{display:grid;gap:2rem;padding:2rem 0}@media(min-width:768px){.game-detail-grid{grid-template-columns:1fr 1fr;gap:3rem}}.game-detail-media{display:flex;flex-direction:column;gap:1rem}.game-detail-main-image{width:100%;aspect-ratio:16/9;border-radius:var(--radius-lg);overflow:hidden;background:var(--bg-secondary);border:1px solid var(--border);position:relative}.game-detail-main-image img{width:100%;height:100%;object-fit:cover}.game-detail-main-placeholder{width:100%;height:100%;display:flex;align-items:center;justify-content:center;background-color:var(--bg-secondary);color:var(--accent);font-size:4rem;font-weight:700}.thumbs-container{display:flex;gap:.5rem;overflow-x:auto;padding-bottom:.5rem}.game-thumb{width:80px;height:60px;border-radius:var(--radius-sm);overflow:hidden;border:2px solid var(--border);cursor:pointer;transition:border-color .2s;flex-shrink:0;background:transparent;padding:0}.game-thumb:hover{border-color:var(--text-secondary)}.game-thumb.active{border-color:var(--accent)}.game-thumb img{width:100%;height:100%;object-fit:cover}.game-detail-content{display:flex;flex-direction:column;gap:1.5rem}.game-detail-title{font-size:2.5rem;font-family:var(--font-heading);font-weight:700;line-height:1.1;color:var(--text-primary)}.game-detail-desc{font-size:1rem;color:var(--text-secondary);line-height:1.6}.about-section{background-color:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-md);padding:1.5rem}.about-title{font-size:1.125rem;font-weight:600;margin-bottom:.75rem;padding-bottom:.5rem;border-bottom:1px solid var(--border);font-family:var(--font-heading)}.play-now-label{font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--text-secondary);margin-bottom:.5rem}.external-links{display:flex;flex-direction:column;gap:.75rem}.error-text{color:#ef4444;font-weight:500}.profile-card{max-width:800px;margin:2rem auto;background-color:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius-lg);padding:2rem;box-shadow:var(--shadow-sm)}.profile-header{display:flex;flex-direction:column;align-items:center;gap:1.5rem;padding-bottom:2rem;margin-bottom:2rem;border-bottom:1px solid var(--border)}@media(min-width:768px){.profile-header{flex-direction:row;text-align:left}}.profile-avatar{width:80px;height:80px;border-radius:50%;border:3px solid var(--accent);box-shadow:var(--shadow-md)}.profile-name{font-size:1.5rem;font-weight:700;margin-bottom:.25rem;font-family:var(--font-heading)}.profile-meta{color:var(--text-secondary);font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:.8125rem}.profile-section-title{font-size:1.125rem;font-weight:600;margin-bottom:1rem;padding-left:.75rem;border-left:3px solid var(--accent);font-family:var(--font-heading)}.profile-empty-state{padding:1.5rem;text-align:center;color:var(--text-secondary);background-color:var(--bg-secondary);border-radius:var(--radius-md);border:1px dashed var(--border)}.admin-section{margin-top:2rem;padding-top:2rem;border-top:1px solid var(--border)}.admin-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:2rem;flex-wrap:wrap;gap:1rem}.admin-games-grid{display:flex;flex-direction:column;gap:.75rem}.admin-game-item{display:flex;align-items:center;justify-content:space-between;padding:1.25rem;background-color:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius-md);transition:box-shadow .2s}.admin-game-item:hover{box-shadow:var(--shadow-sm)}.admin-tag{background-color:var(--bg-tertiary);padding:.25rem .5rem;border-radius:4px;font-size:.75rem;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace}.admin-modal-overlay{position:fixed;inset:0;background-color:#00000080;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:1000;padding:1rem}.admin-modal-content{width:100%;max-width:700px;max-height:90vh;overflow-y:auto;background-color:var(--bg-elevated);border-radius:var(--radius-lg);padding:2rem;box-shadow:var(--shadow-xl)}.admin-form-group{margin-bottom:1rem}.admin-label{display:block;font-size:.8125rem;color:var(--text-secondary);margin-bottom:.375rem;font-weight:500;line-height:1.4}.admin-grid-2{display:grid;grid-template-columns:1fr 1fr;gap:1rem;align-items:start}.admin-checkbox-group{display:flex;flex-wrap:wrap;gap:1.25rem;padding:.5rem 0}.admin-checkbox-label{display:flex;align-items:center;gap:.5rem;cursor:pointer;font-weight:500;-webkit-user-select:none;user-select:none;color:var(--text-primary)}.admin-checkbox-label input[type=checkbox]{width:1rem;height:1rem;cursor:pointer;accent-color:var(--accent)}.admin-panel{border:1px solid var(--border);padding:1.25rem;border-radius:var(--radius-md);margin-bottom:1.25rem;background-color:var(--bg-secondary)}.admin-panel-title{font-weight:600;font-size:.8125rem;text-transform:uppercase;letter-spacing:.05em;color:var(--text-secondary);margin-bottom:1rem;display:flex;align-items:center;gap:.5rem}.admin-table{border-collapse:collapse;width:100%}.admin-table th{font-size:.75rem;color:var(--text-secondary);font-weight:600;text-transform:uppercase;letter-spacing:.05em;padding:.75rem;text-align:left;border-bottom:1px solid var(--border);background-color:var(--bg-secondary)}.admin-table td{padding:.75rem;border-bottom:1px solid var(--border);vertical-align:top}.admin-table tbody tr:hover{background-color:var(--bg-secondary)}.admin-actions{display:flex;justify-content:flex-end;gap:.75rem;margin-top:1.5rem;padding-top:1rem;border-top:1px solid var(--border)}.flex{display:flex}.flex-col{flex-direction:column}.gap-2{gap:.5rem}.relative{position:relative}.w-full{width:100%}.space-y-4>*+*{margin-top:1rem}.text-xs{font-size:.75rem}.text-sm{font-size:.875rem}.text-green-500{color:#10b981}.mb-2{margin-bottom:.5rem}.mb-4{margin-bottom:1rem}.font-bold{font-weight:700}.font-heading{font-family:var(--font-heading)}.text-secondary,.text-text-secondary{color:var(--text-secondary)}.whitespace-pre-wrap{white-space:pre-wrap}.language-toggle{display:flex;align-items:center;gap:.25rem;color:var(--text-secondary);font-size:.8125rem}.language-icon{margin-right:.25rem}.language-separator{color:var(--border);margin:0 .125rem}.language-btn{background:none;border:none;padding:.25rem .375rem;cursor:pointer;color:var(--text-secondary);font-size:.8125rem;border-radius:var(--radius-sm);transition:color .2s,background-color .2s}.language-btn:hover{color:var(--text-primary);background-color:var(--bg-tertiary)}.language-btn.active{color:var(--accent);font-weight:600}