:root{--sw-bg: #F5F5F3;--sw-bg-white: #FFFFFF;--sw-bg-hover: #EDEDEB;--sw-text: #1a1a1a;--sw-text-muted: #6b6b6b;--sw-text-light: #999999;--sw-border: #e0e0de;--sw-border-light: #eeeeec;--sw-accent: #1a1a1a;--sw-accent-hover: #333333;--sw-danger: #c44;--sw-danger-hover: #a33;--sw-success: #2a7d4f;--sw-sidebar-bg: #1a1a1a;--sw-sidebar-text: #cccccc;--sw-sidebar-text-active: #ffffff;--sw-sidebar-hover: #2a2a2a;--sw-sidebar-active: #333333;--sw-sidebar-width: 240px;--font-display: "Cormorant Garamond", serif;--font-body: "Noto Sans JP", sans-serif;--space-xs: 4px;--space-sm: 8px;--space-md: 16px;--space-lg: 24px;--space-xl: 32px;--space-2xl: 48px;--space-3xl: 64px;--radius-sm: 4px;--radius-md: 6px;--radius-lg: 10px;--transition-fast: .15s ease;--transition-normal: .25s ease;--transition-slow: .4s ease;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .04);--shadow-md: 0 4px 12px rgba(0, 0, 0, .06);--shadow-lg: 0 8px 24px rgba(0, 0, 0, .08)}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html{font-size:16px;scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{font-family:var(--font-body);font-weight:300;color:var(--sw-text);background-color:var(--sw-bg);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}input,textarea,select,button{font-family:inherit;font-size:inherit;font-weight:inherit;color:inherit}.app-layout{display:flex;min-height:100vh}.app-sidebar{position:fixed;top:0;left:0;width:var(--sw-sidebar-width);height:100vh;background:var(--sw-sidebar-bg);display:flex;flex-direction:column;z-index:100;transition:transform var(--transition-normal)}.app-main{margin-left:var(--sw-sidebar-width);flex:1;min-height:100vh}.page-container{max-width:1100px;margin:0 auto;padding:var(--space-2xl) var(--space-xl)}.sidebar-brand{padding:var(--space-xl) var(--space-lg);border-bottom:1px solid rgba(255,255,255,.06)}.sidebar-brand-name{font-family:var(--font-display);font-size:1.3rem;color:var(--sw-sidebar-text-active);letter-spacing:.02em}.sidebar-brand-label{font-size:.65rem;letter-spacing:.18em;text-transform:uppercase;color:var(--sw-sidebar-text);opacity:.5;margin-top:2px}.sidebar-nav{flex:1;padding:var(--space-md) 0;overflow-y:auto}.sidebar-section-label{font-size:.6rem;letter-spacing:.2em;text-transform:uppercase;color:var(--sw-sidebar-text);opacity:.4;padding:var(--space-lg) var(--space-lg) var(--space-sm)}.sidebar-link{display:flex;align-items:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-lg);color:var(--sw-sidebar-text);font-size:.85rem;font-weight:300;transition:all var(--transition-fast);cursor:pointer;border:none;background:none;width:100%;text-align:left}.sidebar-link:hover{color:var(--sw-sidebar-text-active);background:var(--sw-sidebar-hover)}.sidebar-link.active{color:var(--sw-sidebar-text-active);background:var(--sw-sidebar-active)}.sidebar-link svg{width:18px;height:18px;opacity:.7;flex-shrink:0}.sidebar-link.active svg{opacity:1}.sidebar-footer{padding:var(--space-md) var(--space-lg);border-top:1px solid rgba(255,255,255,.06)}.page-header{margin-bottom:var(--space-2xl)}.page-title{font-family:var(--font-display);font-size:2.2rem;font-weight:300;line-height:1.3;letter-spacing:-.01em}.page-subtitle{font-size:.85rem;color:var(--sw-text-muted);margin-top:var(--space-xs)}.page-header-row{display:flex;justify-content:space-between;align-items:center;gap:var(--space-md)}.card{background:var(--sw-bg-white);border:1px solid var(--sw-border-light);border-radius:var(--radius-md);padding:var(--space-lg);transition:box-shadow var(--transition-normal)}.card:hover{box-shadow:var(--shadow-md)}.card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--space-md)}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--space-lg)}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--space-lg)}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--space-lg)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-md);border:1px solid transparent;border-radius:var(--radius-sm);font-size:.82rem;font-weight:400;letter-spacing:.04em;cursor:pointer;transition:all var(--transition-fast);white-space:nowrap;line-height:1.5}.btn:disabled{opacity:.4;cursor:not-allowed}.btn-primary{background:var(--sw-accent);color:#fff;border-color:var(--sw-accent)}.btn-primary:hover:not(:disabled){background:var(--sw-accent-hover)}.btn-secondary{background:transparent;color:var(--sw-text);border-color:var(--sw-border)}.btn-secondary:hover:not(:disabled){background:var(--sw-bg-hover)}.btn-danger{background:transparent;color:var(--sw-danger);border-color:var(--sw-danger)}.btn-danger:hover:not(:disabled){background:var(--sw-danger);color:#fff}.btn-ghost{background:transparent;color:var(--sw-text-muted);padding:var(--space-xs) var(--space-sm)}.btn-ghost:hover:not(:disabled){color:var(--sw-text);background:var(--sw-bg-hover)}.btn-lg{padding:12px var(--space-lg);font-size:.9rem}.btn svg{width:16px;height:16px}.form-group{margin-bottom:var(--space-lg)}.form-label{display:block;font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--sw-text-muted);margin-bottom:var(--space-sm)}.form-input{width:100%;padding:10px 14px;background:var(--sw-bg-white);border:1px solid var(--sw-border);border-radius:var(--radius-sm);font-size:.9rem;line-height:1.5;transition:border-color var(--transition-fast);outline:none}.form-input:focus{border-color:var(--sw-accent)}.form-input::placeholder{color:var(--sw-text-light)}textarea.form-input{resize:vertical;min-height:80px}.form-hint{font-size:.75rem;color:var(--sw-text-light);margin-top:var(--space-xs)}.image-uploader{border:2px dashed var(--sw-border);border-radius:var(--radius-md);padding:var(--space-2xl);text-align:center;cursor:pointer;transition:all var(--transition-fast);position:relative;overflow:hidden}.image-uploader:hover,.image-uploader.dragging{border-color:var(--sw-accent);background:#1a1a1a05}.image-uploader.has-image{padding:0;border-style:solid;border-width:1px}.image-uploader .upload-placeholder{color:var(--sw-text-muted)}.image-uploader .upload-placeholder svg{width:32px;height:32px;margin:0 auto var(--space-sm);opacity:.4}.image-uploader .upload-placeholder p{font-size:.82rem}.image-uploader .upload-placeholder .hint{font-size:.72rem;color:var(--sw-text-light);margin-top:var(--space-xs)}.image-uploader .preview-image{width:100%;aspect-ratio:4/3;object-fit:cover;display:block}.image-uploader .remove-btn{position:absolute;top:var(--space-sm);right:var(--space-sm);background:#0009;color:#fff;border:none;border-radius:50%;width:28px;height:28px;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:14px;transition:background var(--transition-fast)}.image-uploader .remove-btn:hover{background:#000000d9}.admin-item-card{background:var(--sw-bg-white);border:1px solid var(--sw-border-light);border-radius:var(--radius-md);overflow:hidden;transition:box-shadow var(--transition-normal),transform var(--transition-normal)}.admin-item-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.admin-item-card .item-image{width:100%;aspect-ratio:4/3;object-fit:cover;background:var(--sw-bg-hover)}.admin-item-card .item-image-placeholder{width:100%;aspect-ratio:4/3;background:var(--sw-bg-hover);display:flex;align-items:center;justify-content:center;color:var(--sw-text-light);font-size:.8rem}.admin-item-card .item-body{padding:var(--space-md)}.admin-item-card .item-label{font-size:.65rem;letter-spacing:.18em;text-transform:uppercase;color:var(--sw-text-muted)}.admin-item-card .item-name{font-family:var(--font-display);font-size:1.2rem;margin:var(--space-xs) 0}.admin-item-card .item-desc{font-size:.8rem;color:var(--sw-text-muted);line-height:1.5}.admin-item-card .item-actions{display:flex;gap:var(--space-xs);padding:var(--space-sm) var(--space-md) var(--space-md)}.category-card{background:var(--sw-bg-white);border:1px solid var(--sw-border-light);border-radius:var(--radius-md);padding:var(--space-lg);display:flex;flex-direction:column;gap:var(--space-md);cursor:pointer;transition:all var(--transition-normal)}.category-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.category-card .cat-label{font-size:.65rem;letter-spacing:.2em;text-transform:uppercase;color:var(--sw-text-muted)}.category-card .cat-title{font-family:var(--font-display);font-size:1.5rem;font-weight:300}.category-card .cat-count{font-size:.82rem;color:var(--sw-text-muted)}.category-card .cat-count strong{font-weight:500;color:var(--sw-text)}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--sw-bg)}.login-box{width:100%;max-width:380px;padding:var(--space-2xl)}.login-brand{text-align:center;margin-bottom:var(--space-2xl)}.login-brand h1{font-family:var(--font-display);font-size:2rem;font-weight:300;letter-spacing:.02em}.login-brand p{font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;color:var(--sw-text-muted);margin-top:var(--space-xs)}.login-hr{width:40px;border:none;border-top:1px solid var(--sw-text);margin:var(--space-lg) auto}.login-error{background:#fef2f2;border:1px solid #fecaca;color:var(--sw-danger);padding:var(--space-sm) var(--space-md);border-radius:var(--radius-sm);font-size:.82rem;margin-bottom:var(--space-md)}.dialog-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000059;display:flex;align-items:center;justify-content:center;z-index:1000;animation:fadeIn .15s ease}.dialog-box{background:var(--sw-bg-white);border-radius:var(--radius-lg);padding:var(--space-xl);max-width:400px;width:calc(100% - 32px);box-shadow:var(--shadow-lg);animation:slideUp .2s ease}.dialog-title{font-family:var(--font-display);font-size:1.3rem;margin-bottom:var(--space-sm)}.dialog-message{font-size:.85rem;color:var(--sw-text-muted);margin-bottom:var(--space-lg);line-height:1.6}.dialog-actions{display:flex;gap:var(--space-sm);justify-content:flex-end}.badge{display:inline-flex;align-items:center;gap:4px;font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;padding:3px 10px;border-radius:100px;background:var(--sw-bg-hover);color:var(--sw-text-muted)}.badge-success{background:#ecfdf5;color:var(--sw-success)}.toast-container{position:fixed;bottom:var(--space-lg);right:var(--space-lg);z-index:2000;display:flex;flex-direction:column;gap:var(--space-sm)}.toast{background:var(--sw-sidebar-bg);color:#fff;padding:12px var(--space-lg);border-radius:var(--radius-md);font-size:.82rem;box-shadow:var(--shadow-lg);animation:slideUp .25s ease}.toast-success{background:var(--sw-success)}.toast-error{background:var(--sw-danger)}.back-link{display:inline-flex;align-items:center;gap:var(--space-sm);font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--sw-text-muted);margin-bottom:var(--space-lg);transition:color var(--transition-fast)}.back-link:hover{color:var(--sw-text)}.back-link:before{content:"←";font-size:1rem}.empty-state{text-align:center;padding:var(--space-3xl) var(--space-lg);color:var(--sw-text-muted)}.empty-state p{font-family:var(--font-display);font-size:1.2rem;margin-bottom:var(--space-md)}.loading-spinner{display:flex;align-items:center;justify-content:center;padding:var(--space-3xl)}.loading-spinner:after{content:"";width:24px;height:24px;border:2px solid var(--sw-border);border-top-color:var(--sw-text);border-radius:50%;animation:spin .6s linear 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var(--space-md)}.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}.mobile-menu-btn{display:flex}.publish-bar{left:0}.page-header-row{flex-direction:column;align-items:flex-start}}.mobile-menu-btn{display:none;position:fixed;top:var(--space-md);left:var(--space-md);z-index:200;background:var(--sw-sidebar-bg);color:#fff;border:none;border-radius:var(--radius-sm);width:40px;height:40px;align-items:center;justify-content:center;cursor:pointer;font-size:1.2rem}