@import"https://fonts.googleapis.com/css2?family=Noto+Serif+JP:wght@400;700&family=Noto+Sans+JP:wght@400;500;700&display=swap";.mt-xs{margin-top:var(--spacing-xs)}.mt-sm{margin-top:var(--spacing-sm)}.mt-md{margin-top:var(--spacing-md)}.mt-lg{margin-top:var(--spacing-lg)}.mt-xl{margin-top:var(--spacing-xl)}.mb-xs{margin-bottom:var(--spacing-xs)}.mb-sm{margin-bottom:var(--spacing-sm)}.mb-md{margin-bottom:var(--spacing-md)}.mb-lg{margin-bottom:var(--spacing-lg)}.mb-xl{margin-bottom:var(--spacing-xl)}.text-center{text-align:center}.text-left{text-align:left}.text-right{text-align:right}.d-block{display:block}.d-flex{display:flex}.d-none{display:none}.flex-column{flex-direction:column}.justify-center{justify-content:center}.align-center{align-items:center}.gap-sm{gap:var(--spacing-sm)}.gap-md{gap:var(--spacing-md)}.detail-page{padding-bottom:4rem}.detail-top{display:grid;grid-template-columns:1.2fr .8fr;gap:4rem;margin-bottom:4rem}.detail-gallery{display:flex;flex-direction:column;gap:1rem}.main-image-container{width:100%;background-color:var(--color-bg-secondary);border-radius:var(--radius-md);overflow:hidden;cursor:zoom-in;box-shadow:var(--shadow-sm)}.main-image-container img{width:100%;height:auto;display:block}.thumbnail-list{display:flex;gap:.5rem;overflow-x:auto}.thumb-item{width:80px;height:80px;object-fit:cover;border-radius:var(--radius-sm);cursor:pointer;opacity:.7;transition:opacity .2s}.thumb-item:hover,.thumb-item.active{opacity:1;border:2px solid var(--color-primary)}.detail-info{display:flex;flex-direction:column}.detail-title{font-size:2.5rem;margin-bottom:.5rem;line-height:1.2}.detail-meta{color:var(--color-text-muted);font-size:.95rem;margin-bottom:2rem;display:flex;gap:1rem}.detail-description{margin-bottom:2.5rem;font-size:1rem;line-height:1.8;color:#444}.detail-price-box{margin-bottom:2rem;padding:1.5rem;background-color:#fff;border:1px solid var(--color-border);border-radius:var(--radius-md)}.price-label{font-size:.85rem;color:var(--color-text-muted);margin-bottom:.25rem}.detail-price{font-size:2rem;font-weight:700;color:var(--color-primary);margin:0}.detail-actions{display:flex;flex-direction:column;gap:1rem;margin-bottom:2rem}.detail-extra-actions{display:flex;gap:1.5rem;font-size:.9rem}.text-link{background:none;border:none;color:var(--color-text-muted);cursor:pointer;padding:0;text-decoration:underline}.text-link:hover{color:var(--color-primary)}.artist-section{background-color:#fff;padding:3rem;border-radius:var(--radius-lg);margin-bottom:4rem}.artist-profile{display:flex;align-items:center;gap:2rem}.artist-avatar{width:120px;height:120px;border-radius:50%;overflow:hidden;background-color:#eee;flex-shrink:0}.artist-avatar img{width:100%;height:100%;object-fit:cover}.artist-text h2{font-size:1.5rem;margin-bottom:.5rem}.zoom-modal{display:none;position:fixed;z-index:2000;left:0;top:0;width:100%;height:100%;overflow:auto;background-color:#000000e6}.zoom-modal-content{margin:auto;display:block;max-width:95%;max-height:95vh;margin-top:2.5vh}.close-zoom{position:absolute;top:20px;right:35px;color:#f1f1f1;font-size:40px;font-weight:700;cursor:pointer}@media (max-width: 900px){.detail-top{grid-template-columns:1fr;gap:2rem}.artist-profile{flex-direction:column;text-align:center}}.section-narrow{max-width:800px;margin:0 auto}.section-title{text-align:center;margin-bottom:1rem}.section-desc{text-align:center;margin-bottom:3rem;color:var(--color-text-muted)}.contact-form{background:var(--color-bg-card);padding:var(--card-padding);border-radius:var(--card-border-radius);box-shadow:var(--card-shadow);border:var(--card-border)}.form-group{margin-bottom:1.5rem}.form-group label{display:block;margin-bottom:.5rem;font-weight:500}.form-group .required{color:#e74c3c;font-size:.9em;margin-left:.25rem}.form-group input,.form-group select,.form-group textarea{width:100%;padding:var(--input-padding);border:var(--input-border);border-radius:var(--input-border-radius);font-size:1rem;font-family:inherit;background-color:var(--input-bg);transition:var(--transition);color:var(--color-text-main)}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--color-border-focus);box-shadow:var(--input-focus-shadow);background-color:var(--color-bg-surface)}.full-width{width:100%}.form-row{display:flex;gap:1rem}.form-row .form-group{flex:1}.radio-group{display:flex;flex-direction:column;gap:.75rem;margin-bottom:1rem}.radio-label{display:flex;align-items:center;gap:.5rem;cursor:pointer;padding:.5rem;border:1px solid var(--color-border);border-radius:var(--radius-sm);transition:background-color .2s}.radio-label:hover{background-color:var(--color-bg-hover);border-color:var(--color-border-focus)}.creator-intro{text-align:center;max-width:600px;margin:0 auto 3rem;line-height:1.8}.creator-intro p{margin-bottom:2rem}.btn.large{padding:1rem 3rem;font-size:1.2rem}.modal-content.form-container{background:var(--color-bg-card);width:90%;max-width:600px;margin:5% auto;padding:var(--card-padding);border-radius:var(--card-border-radius);position:relative;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow-lg);border:var(--card-border)}.close-zoom{color:#aaa;float:right;font-size:28px;font-weight:700;cursor:pointer;position:absolute;right:1.5rem;top:1rem}.close-zoom:hover,.close-zoom:focus{color:#000;text-decoration:none}.image-preview{margin-top:1rem;max-width:100%;max-height:200px;overflow:hidden;border-radius:var(--radius-sm);display:none}.image-preview img{width:100%;height:100%;object-fit:cover}.mypage-container{display:flex;gap:2rem;max-width:1200px;margin:0 auto;padding:2rem 1.5rem 4rem}.mypage-sidebar{width:250px;flex-shrink:0;background:var(--color-bg-card);border-radius:var(--card-border-radius);padding:var(--card-padding);height:fit-content;box-shadow:var(--card-shadow);border:var(--card-border)}.user-profile-summary{text-align:center;margin-bottom:2rem;padding-bottom:1.5rem;border-bottom:1px solid var(--color-border)}.avatar-circle{width:80px;height:80px;border-radius:50%;overflow:hidden;margin:0 auto 1rem;background:var(--color-bg-hover)}.avatar-circle img{width:100%;height:100%;object-fit:cover}.mypage-nav{display:flex;flex-direction:column;gap:.5rem}.nav-item{text-align:left;background:none;border:none;padding:.75rem 1rem;cursor:pointer;border-radius:var(--radius-sm);color:var(--color-text-main);transition:all .2s;display:flex;justify-content:space-between;align-items:center}.nav-item:hover{background-color:var(--color-bg-hover)}.nav-item.active{background-color:var(--color-primary-light);color:var(--color-primary);font-weight:700}.nav-item.logout{color:#e74c3c;margin-top:1rem;border-top:1px solid var(--color-border);padding-top:1rem}.badge{background:#e74c3c;color:#fff;font-size:.75rem;padding:2px 6px;border-radius:10px}.mypage-content{flex-grow:1;background:#fff;border-radius:var(--radius-md);padding:2rem;min-height:500px;box-shadow:var(--shadow-sm)}.content-section{display:none;animation:fadeIn .3s ease}.content-section.active{display:block}@keyframes fadeIn{0%{opacity:0;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}.dashboard-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1.5rem;margin-bottom:2rem}.stat-card{background:var(--color-bg-secondary);padding:1.5rem;border-radius:var(--radius-sm);text-align:center}.stat-num{font-size:2rem;font-weight:700;color:var(--color-primary);margin-top:.5rem}.notification-list{list-style:none;padding:0}.notification-list li{padding:1rem 0;border-bottom:1px solid var(--color-border)}.notification-list .date{font-size:.85rem;color:var(--color-text-muted)}.message-item{padding:1rem;border:1px solid var(--color-border);border-radius:var(--radius-sm);margin-bottom:1rem;cursor:pointer;transition:background .2s}.message-item .msg-body{display:none;margin-top:1rem;padding-top:1rem;border-top:1px dashed var(--color-border);color:var(--color-text-main);line-height:1.6;white-space:pre-wrap}.message-item.expanded .msg-body{display:block}.message-item.expanded .msg-preview{display:none}.notification-list li{padding:1rem 0;border-bottom:1px solid var(--color-border);cursor:pointer;transition:background-color .2s}.notification-list li:hover{background-color:var(--color-bg-hover);padding-left:.5rem}.message-item:hover{background:var(--color-bg-secondary)}.message-item.unread{border-left:4px solid var(--color-primary)}.msg-header{display:flex;justify-content:space-between;margin-bottom:.5rem;font-size:.9rem;color:var(--color-text-muted)}.settings-form{max-width:500px}.checkbox-label{display:flex;align-items:center;gap:.5rem;cursor:pointer}@media (max-width: 768px){.mypage-container{flex-direction:column;padding-top:1rem}.mypage-sidebar{width:100%}.mypage-nav{flex-direction:row;overflow-x:auto;padding-bottom:.5rem}.nav-item{white-space:nowrap;flex-shrink:0}.nav-item.logout{margin-top:0;border-top:none;padding-top:.75rem;border-left:1px solid var(--color-border);margin-left:.5rem;padding-left:1rem}.mypage-content{padding:1.5rem}}.recent-orders{margin-top:2rem}.order-list{display:grid;gap:1rem}.order-card{background:var(--color-bg-secondary);padding:1rem;border-radius:var(--radius-md);border:1px solid var(--color-border);transition:var(--transition)}.order-card:hover{border-color:var(--color-border-focus);background:var(--color-bg-hover)}.order-header{display:flex;justify-content:space-between;margin-bottom:.5rem}.order-date{font-weight:700;color:var(--color-text-main)}.order-id{color:var(--color-text-muted);font-size:.9rem}.order-items{margin-bottom:.5rem}.order-total{text-align:right;font-weight:700}.login-container{display:flex;justify-content:center;align-items:center;min-height:60vh;padding:2rem;background:var(--color-bg-secondary);border-radius:var(--radius-md);margin-top:2rem}.login-card{background:#fff;padding:2.5rem;border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);width:100%;max-width:400px;border:1px solid var(--color-border)}.login-card .section-title{margin-bottom:.5rem;text-align:center}.login-card .section-desc{text-align:center;color:var(--color-text-muted);font-size:.9rem;margin-bottom:2rem}.hidden{display:none!important}.auth-switch{margin-top:1.5rem;text-align:center;font-size:.9rem}.auth-switch a{color:var(--color-primary);text-decoration:underline;cursor:pointer}@media (max-width: 768px){.dashboard-grid{grid-template-columns:1fr;gap:1rem}.mypage-container{flex-direction:column}.mypage-sidebar{width:100%;margin-bottom:1rem;border-right:none;border-bottom:1px solid var(--color-border);padding-bottom:1rem}.mypage-nav{display:flex;overflow-x:auto;white-space:nowrap;padding-bottom:.5rem;margin:0 -1rem;padding:0 1rem;-webkit-overflow-scrolling:touch;scrollbar-width:none;gap:.5rem}.mypage-nav::-webkit-scrollbar{display:none}.mypage-nav li{margin-bottom:0;margin-right:0;flex-shrink:0}.mypage-nav a{padding:.5rem 1rem;border-radius:20px;background:var(--color-bg-secondary);color:var(--color-text-primary);display:inline-block}.mypage-nav a.active{background:var(--color-primary);color:#fff}.user-profile-summary{flex-direction:row;align-items:center;text-align:left;margin-bottom:1rem}.avatar-upload{margin-bottom:0;margin-right:1rem}.settings-form .form-row{flex-direction:column}}:root{--color-bg-body: linear-gradient(135deg, #fefefe 0%, #f8f6f0 100%);--color-bg-surface: #ffffff;--color-bg-card: #ffffff;--color-bg-input: #fefefe;--color-bg-hover: #f5f2eb;--color-bg-selected: #fff8e1;--color-bg-secondary: #faf9f5;--color-bg-overlay: rgba(255, 255, 255, .95);--color-text-main: #2d3748;--color-text-muted: #718096;--color-text-light: #a0aec0;--color-text-accent: #805ad5;--color-primary: #2d3748;--color-accent: #d69e2e;--color-accent-light: #f6e05e;--color-accent-dark: #b7791f;--color-border: #e2e8f0;--color-border-light: #f7fafc;--color-border-focus: #d69e2e;--color-error: #e53e3e;--color-success: #38a169;--spacing-xs: .5rem;--spacing-sm: 1rem;--spacing-md: 1.5rem;--spacing-lg: 2rem;--spacing-xl: 3rem;--spacing-2xl: 4rem;--font-serif: "Noto Serif JP", serif;--font-sans: "Noto Sans JP", sans-serif;--font-weight-light: 300;--font-weight-normal: 400;--font-weight-medium: 500;--font-weight-bold: 700;--radius-sm: 6px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 24px;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .1), 0 1px 2px rgba(0, 0, 0, .06);--shadow-md: 0 4px 6px rgba(0, 0, 0, .07), 0 2px 4px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 15px rgba(0, 0, 0, .1), 0 4px 6px rgba(0, 0, 0, .05);--shadow-xl: 0 20px 25px rgba(0, 0, 0, .1), 0 10px 10px rgba(0, 0, 0, .04);--transition: all .3s cubic-bezier(.4, 0, .2, 1);--transition-fast: all .15s cubic-bezier(.4, 0, .2, 1);--header-height: 80px;--border-width: 1px;--border-style: solid;--input-padding: .875rem 1rem;--input-border: var(--border-width) var(--border-style) var(--color-border);--input-border-radius: var(--radius-md);--input-focus-shadow: 0 0 0 3px rgba(214, 158, 46, .1);--input-bg: var(--color-bg-input);--card-padding: var(--spacing-lg);--card-border: var(--border-width) var(--border-style) var(--color-border);--card-border-radius: var(--radius-lg);--card-bg: var(--color-bg-card);--card-shadow: var(--shadow-sm);--card-shadow-hover: var(--shadow-md)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;scroll-behavior:smooth}body{background:var(--color-bg-body);color:var(--color-text-main);font-family:var(--font-sans);font-weight:var(--font-weight-normal);line-height:1.6;-webkit-font-smoothing:antialiased;min-height:100vh}img{max-width:100%;height:auto;display:block}a{color:inherit;text-decoration:none;transition:var(--transition)}ul{list-style:none}h1,h2,h3,h4,h5,h6{font-family:var(--font-serif);font-weight:700;line-height:1.3;color:var(--color-primary)}h1{font-size:2.5rem;letter-spacing:-.02em}h2{font-size:2rem}h3{font-size:1.5rem}p{margin-bottom:1rem}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 var(--spacing-md)}.section{padding:var(--spacing-xl) 0}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.75rem 2rem;font-family:var(--font-sans);font-weight:500;font-size:.95rem;border-radius:999px;cursor:pointer;transition:var(--transition);border:1px solid transparent;gap:.5rem}.btn.primary{background-color:#fff;border-color:var(--color-primary);color:var(--color-primary)}.btn.primary:hover{background-color:var(--color-accent);border-color:var(--color-accent);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-md)}.btn.secondary{background-color:#fff;border-color:var(--color-primary);color:var(--color-primary)}.btn.secondary:hover{background-color:var(--color-accent);border-color:var(--color-accent);color:#fff;transform:translateY(-2px)}.btn.small{padding:.5rem 1rem;font-size:.85rem}.btn.outline{border-color:var(--color-primary);background-color:#fff;color:var(--color-primary)}.btn.outline:hover{background-color:var(--color-accent);border-color:var(--color-accent);color:#fff;transform:translateY(-3px);box-shadow:var(--shadow-md)}.btn.accent{background-color:var(--color-accent);color:#fff;border-color:var(--color-accent)}.btn.accent:hover{background-color:#b88a24;border-color:#b88a24;transform:translateY(-2px);box-shadow:var(--shadow-md)}.site-header{position:sticky;top:0;z-index:1000;background-color:#fffcf7;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--color-border);height:var(--header-height);display:flex;align-items:center;box-shadow:var(--shadow-sm)}.header-inner{display:flex;align-items:center;justify-content:space-between;width:100%;max-width:1200px;margin:0 auto;padding:0 var(--spacing-sm)}.logo{margin-right:20px}.logo img{height:48px;width:auto}.main-nav{display:flex;gap:1.25rem}.main-nav a{font-size:.95rem;font-weight:500;position:relative}.main-nav a:after{content:"";position:absolute;bottom:-4px;left:0;width:0;height:1px;background-color:var(--color-accent);transition:width .3s ease}.main-nav a:hover:after,.main-nav a.active:after{width:100%}.main-nav a:hover,.main-nav a.active{color:var(--color-accent)}.header-icons{display:flex;gap:1rem;align-items:center}.icon-btn{position:relative;background:none;border:none;font-size:1.25rem;cursor:pointer;color:var(--color-text-main);transition:var(--transition);padding:.75rem;border-radius:50%;display:flex;align-items:center;justify-content:center}.icon-btn:hover{background-color:transparent;color:var(--color-accent);transform:translateY(-3px)}.icon-btn:hover svg{fill:var(--color-accent);stroke:var(--color-accent)}.icon-btn[data-count]:after{content:attr(data-count);position:absolute;top:0;right:0;background-color:var(--color-error);color:#fff;font-size:.7rem;font-weight:700;min-width:18px;height:18px;border-radius:9px;display:flex;align-items:center;justify-content:center;padding:0 4px;border:1px solid white}.mobile-menu-toggle{display:none;background:none;border:none;font-size:1.5rem;cursor:pointer}.page-hero{text-align:center;padding:3.5rem 1.5rem 1.5rem;background:linear-gradient(to bottom,#fff,#faf8f5)}.page-hero h1{font-size:3.5rem;margin-bottom:1.5rem;color:var(--color-primary)}.page-hero p{font-size:1.1rem;color:var(--color-text-muted);max-width:600px;margin:0 auto 2.5rem}.hero-actions{display:flex;gap:1rem;justify-content:center}.concept-summary{background-color:#fff;border-radius:var(--radius-lg);padding:3rem;margin:2rem auto;max-width:1000px;box-shadow:var(--shadow-sm);text-align:center}.link-more{display:inline-block;margin-top:1.5rem;color:var(--color-accent);font-weight:700;border-bottom:1px solid currentColor}.page-main.layout-with-sidebar{display:grid;grid-template-columns:280px 1fr;gap:3rem;max-width:1200px;margin:0 auto;padding:3rem var(--spacing-md)}.filters{position:sticky;top:calc(var(--header-height) + 2rem);height:fit-content;background:#fff;padding:1.5rem;border-radius:var(--radius-md);border:1px solid var(--color-border)}.filter-group{margin-bottom:2rem;border-bottom:1px solid #f0f0f0;padding-bottom:1.5rem}.filter-group:last-child{border-bottom:none}.filter-group h3{font-size:.9rem;text-transform:uppercase;letter-spacing:.05em;margin-bottom:1rem;color:var(--color-text-light)}.filter-group label{display:flex;align-items:center;gap:.5rem;margin-bottom:.5rem;cursor:pointer;font-size:.95rem;color:var(--color-text-main);transition:color .2s}.filter-group label:hover{color:var(--color-accent)}.filter-group select{width:100%;padding:.5rem;border:1px solid var(--color-border);border-radius:var(--radius-sm);background-color:#fff;font-family:var(--font-sans)}.art-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:2rem;justify-content:center;align-content:start}.page-main{max-width:1200px;margin:0 auto;padding:3rem var(--spacing-md)}.page-main.layout-with-sidebar{display:grid;grid-template-columns:280px 1fr;gap:3rem}.art-card{background:var(--color-bg-card);border-radius:var(--card-border-radius);overflow:hidden;transition:var(--transition);border:var(--card-border);display:flex;flex-direction:column;height:100%;box-shadow:var(--card-shadow)}.art-card:hover{transform:translateY(-5px);box-shadow:var(--card-shadow-hover);border-color:var(--color-border-focus)}.art-thumb{position:relative;overflow:hidden;aspect-ratio:1}.art-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}.art-card:hover .art-thumb img{transform:scale(1.05)}.art-info{padding:clamp(1rem,5%,1.5rem);flex-grow:1;display:flex;flex-direction:column;justify-content:space-between;max-height:300px;overflow:hidden;overflow-y:auto}.art-title{font-size:1.2rem;margin-bottom:.25rem;color:var(--color-primary)}.art-artist{font-size:.9rem;color:var(--color-text-muted);margin-bottom:.5rem}.art-price{font-family:var(--font-sans);font-weight:700;font-size:1.1rem;color:var(--color-accent);margin-bottom:1rem}.art-tags{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:1rem;font-size:.75rem;color:var(--color-text-light)}.art-actions{display:flex;gap:.5rem}.site-footer{background-color:#fff;padding:3rem 0;margin-top:4rem;border-top:1px solid var(--color-border);text-align:center;color:var(--color-text-muted);font-size:.9rem}.footer-content{display:flex;flex-direction:column;align-items:center;gap:1rem}.footer-links{display:flex;gap:2rem;flex-wrap:wrap;justify-content:center}.footer-links a{color:var(--color-text-muted);font-size:.9rem;transition:color .2s}.footer-links a:hover{color:var(--color-accent)}.footer-copyright{margin:0}.legal-page .page-hero{padding-bottom:2rem}.legal-content{max-width:800px;margin:0 auto;padding-bottom:3rem}.legal-article{margin-bottom:2.5rem}.legal-article h2{font-size:1.25rem;margin-bottom:1rem;padding-bottom:.5rem;border-bottom:2px solid var(--color-accent);color:var(--color-primary)}.legal-article p{font-size:.95rem;line-height:1.8;color:var(--color-text-main)}.legal-article ul{margin:1rem 0 1rem 1.5rem;list-style:disc}.legal-article ul li{margin-bottom:.5rem;font-size:.95rem;line-height:1.6;color:var(--color-text-main)}.legal-date{text-align:right;color:var(--color-text-light);font-size:.85rem;margin-top:3rem;padding-top:1rem;border-top:1px solid var(--color-border)}.link-inline{color:var(--color-accent);border-bottom:1px solid currentColor}.link-inline:hover{opacity:.8}@media (max-width: 768px){.mobile-menu-toggle{display:block}.main-nav{display:none;position:absolute;top:var(--header-height);left:0;width:100%;background:#fff;flex-direction:column;padding:2rem;box-shadow:var(--shadow-lg);gap:1.5rem}.main-nav.open{display:flex}.page-hero h1{font-size:2.5rem}}.cart-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background-color:#00000080;z-index:2000;opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s;display:flex;justify-content:flex-end}.cart-overlay.open{opacity:1;visibility:visible}.cart-container{width:100%;max-width:450px;background-color:#fff;height:100%;box-shadow:-5px 0 15px #0000001a;transform:translate(100%);transition:transform .3s cubic-bezier(.25,.8,.25,1);display:flex;flex-direction:column}.cart-overlay.open .cart-container{transform:translate(0)}.cart-header{padding:1.5rem;border-bottom:1px solid var(--color-border);display:flex;justify-content:space-between;align-items:center}.cart-header h2{font-size:1.25rem;margin:0}.close-cart{background:none;border:none;font-size:1.5rem;cursor:pointer;padding:.5rem;line-height:1}.cart-items{flex-grow:1;overflow-y:auto;padding:1.5rem;display:flex;flex-direction:column;gap:1.5rem}.cart-item{display:flex;gap:1rem;border-bottom:1px solid #f0f0f0;padding-bottom:1rem}.cart-item-thumb{width:80px;height:80px;border-radius:var(--radius-sm);overflow:hidden;flex-shrink:0}.cart-item-thumb img{width:100%;height:100%;object-fit:cover}.cart-item-info{flex-grow:1}.cart-item-title{font-size:1rem;margin-bottom:.25rem}.cart-item-artist{font-size:.85rem;color:var(--color-text-muted);margin-bottom:.5rem}.cart-item-price{font-weight:700;color:var(--color-accent)}.remove-item{background:none;border:none;color:var(--color-text-light);cursor:pointer;font-size:1.2rem;align-self:flex-start;padding:.25rem}.remove-item:hover{color:var(--color-error)}.cart-footer{padding:1.5rem;border-top:1px solid var(--color-border);background-color:#fafafa}.cart-total{display:flex;justify-content:space-between;font-size:1.25rem;font-weight:700;margin-bottom:1.5rem;color:var(--color-primary)}.usage-guide{background-color:var(--color-bg-body);padding:4rem var(--spacing-md);max-width:1200px;margin:0 auto}.usage-header{text-align:center;margin-bottom:3rem}.usage-header h2{font-size:2rem;margin-bottom:1rem;color:var(--color-primary)}.usage-header p{color:var(--color-text-muted);font-size:1.1rem}.usage-grid{display:grid;grid-template-columns:1fr 1fr;gap:2rem;align-items:stretch}.usage-column{background:var(--color-bg-surface);border-radius:var(--radius-lg);padding:3rem 2rem;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;align-items:center;text-align:center;border:1px solid var(--color-border);transition:var(--transition)}.usage-column:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}.creator-column{border-top:4px solid var(--color-accent)}.buyer-column{border-top:4px solid var(--color-primary)}.usage-icon{font-size:3rem;margin-bottom:1rem}.usage-column h3{font-size:1.5rem;margin-bottom:.5rem}.usage-subtitle{color:var(--color-text-muted);margin-bottom:2rem;font-weight:500}.usage-steps{list-style:none;width:100%;margin-bottom:2rem;text-align:left}.usage-steps li{display:flex;gap:1rem;margin-bottom:1.5rem;align-items:flex-start}.step-number{background-color:#f0f0f0;color:var(--color-primary);width:28px;height:28px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.9rem;flex-shrink:0;margin-top:2px}.creator-column .step-number{background-color:#fff8e1;color:#b58500}.buyer-column .step-number{background-color:#eceff1;color:#546e7a}.step-content strong{display:block;font-size:1rem;color:var(--color-primary);margin-bottom:.25rem}.step-content p{font-size:.9rem;color:var(--color-text-muted);margin:0;line-height:1.5}.usage-column .btn{margin-top:auto}@media (max-width: 768px){.usage-grid{grid-template-columns:1fr;gap:3rem}}