:root{--color-bg:#faf8f5;--color-text:#1a1a1a;--color-text-muted:#666;--color-primary:#2d4a3e;--color-primary-hover:#3d6454;--color-border:#e0dcd6;--color-card-bg:#fff;--color-card-shadow:#0000000f;--max-width:1200px;--header-height:56px}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-size:16px}body{color:var(--color-text);background:var(--color-bg);min-height:100dvh;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Noto Sans JP,sans-serif;line-height:1.6}#root{flex-direction:column;min-height:100dvh;display:flex}a{color:var(--color-primary);text-decoration:none}a:hover{color:var(--color-primary-hover)}.site-header{z-index:100;height:var(--header-height);background:var(--color-card-bg);border-bottom:1px solid var(--color-border);align-items:center;gap:1rem;padding:0 1.5rem;display:flex;position:sticky;top:0}.site-logo{white-space:nowrap;font-size:1.1rem;font-weight:700}.site-nav{gap:1rem;margin-left:auto;display:flex}.site-nav a{color:var(--color-text-muted);font-size:.9rem;transition:color .15s}.site-nav a.active,.site-nav a:hover{color:var(--color-primary)}.lang-switch{border:1px solid var(--color-border);color:var(--color-text-muted);border-radius:4px;padding:.25rem .75rem;font-size:.85rem;transition:border-color .15s,color .15s}.lang-switch:hover{border-color:var(--color-primary);color:var(--color-primary)}.main{width:100%;max-width:var(--max-width);flex:1;margin:0 auto;padding:2rem 1.5rem}.site-footer{text-align:center;color:var(--color-text-muted);border-top:1px solid var(--color-border);padding:1.5rem;font-size:.8rem}.hero{text-align:center;margin-bottom:3rem}.hero h1{margin-bottom:.5rem;font-size:2rem}.hero p{color:var(--color-text-muted);font-size:1.1rem}.pattern-gallery{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.5rem;display:grid}.pattern-card{background:var(--color-card-bg);border:1px solid var(--color-border);color:inherit;border-radius:8px;transition:box-shadow .2s,transform .2s;display:block;overflow:hidden}.pattern-card:hover{box-shadow:0 4px 16px var(--color-card-shadow);color:inherit;transform:translateY(-2px)}.pattern-card__preview{aspect-ratio:4/3;overflow:hidden}.pattern-card__preview svg{width:100%;height:100%;display:block}.pattern-card__name{padding:.75rem 1rem .25rem;font-size:1rem}.pattern-card__desc{color:var(--color-text-muted);padding:0 1rem 1rem;font-size:.85rem;line-height:1.5}.editor-header h1{margin-bottom:.25rem;font-size:1.5rem}.editor-header p{color:var(--color-text-muted);margin-bottom:1.5rem}.editor-layout{grid-template-columns:1fr 320px;align-items:start;gap:2rem;display:grid}.editor-preview-area{background:var(--color-card-bg);border:1px solid var(--color-border);border-radius:8px;justify-content:center;padding:1.5rem;display:flex}.pattern-preview{border-radius:4px;max-width:100%;height:auto}.editor-sidebar{flex-direction:column;gap:1.5rem;display:flex}.editor-controls{background:var(--color-card-bg);border:1px solid var(--color-border);border-radius:8px;flex-direction:column;gap:1rem;padding:1.25rem;display:flex}.control-group{flex-direction:column;gap:.3rem;display:flex}.control-group label{color:var(--color-text-muted);font-size:.85rem;font-weight:500}.color-input{align-items:center;gap:.5rem;display:flex}.color-input input[type=color]{border:1px solid var(--color-border);cursor:pointer;background:0 0;border-radius:4px;width:36px;height:36px;padding:2px}.hex-input{border:1px solid var(--color-border);background:var(--color-bg);color:var(--color-text);border-radius:4px;flex:1;padding:.4rem .6rem;font-family:monospace;font-size:.9rem}.hex-input:focus{outline:2px solid var(--color-primary);outline-offset:-1px}input[type=range]{width:100%;accent-color:var(--color-primary)}.btn{border:1px solid var(--color-border);cursor:pointer;border-radius:6px;justify-content:center;align-items:center;padding:.5rem 1rem;font-size:.85rem;font-weight:500;transition:background .15s,border-color .15s,color .15s;display:inline-flex}.btn--primary{background:var(--color-primary);color:#fff;border-color:var(--color-primary)}.btn--primary:hover{background:var(--color-primary-hover);border-color:var(--color-primary-hover)}.btn--primary:disabled{opacity:.6;cursor:not-allowed}.btn--secondary{background:var(--color-card-bg);color:var(--color-text)}.btn--secondary:hover{border-color:var(--color-primary);color:var(--color-primary)}.export-panel{background:var(--color-card-bg);border:1px solid var(--color-border);border-radius:8px;flex-direction:column;gap:1rem;padding:1.25rem;display:flex}.export-panel h2{margin:0;font-size:1rem}.size-select{border:1px solid var(--color-border);background:var(--color-bg);width:100%;color:var(--color-text);border-radius:4px;padding:.4rem .6rem;font-size:.85rem}.export-buttons{gap:.5rem;display:flex}.export-buttons .btn{flex:1}.export-copy{gap:.5rem;display:flex}.copy-btn{border:1px solid var(--color-border);cursor:pointer;background:var(--color-card-bg);color:var(--color-text);border-radius:6px;flex:1;justify-content:center;align-items:center;padding:.5rem 1rem;font-size:.85rem;font-weight:500;transition:border-color .15s,color .15s;display:inline-flex}.copy-btn:hover{border-color:var(--color-primary);color:var(--color-primary)}.culture-section{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.5rem;margin-top:3rem;display:grid}.culture-block{background:var(--color-card-bg);border:1px solid var(--color-border);border-radius:8px;padding:1.25rem}.culture-block h3{color:var(--color-primary);text-transform:uppercase;letter-spacing:.05em;margin-bottom:.5rem;font-size:.9rem}.culture-block p{color:var(--color-text);font-size:.9rem;line-height:1.7}.about-page h1{margin-bottom:1rem;font-size:1.5rem}.about-page p{max-width:65ch;line-height:1.8}.loading{text-align:center;color:var(--color-text-muted);padding:4rem}@media (width<=840px){.editor-layout{grid-template-columns:1fr}.editor-preview-area{order:-1}.pattern-preview{max-width:100%}}@media (width<=640px){.site-header{padding:0 1rem}.main{padding:1.5rem 1rem}.hero h1{font-size:1.5rem}.pattern-gallery{grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:1rem}.export-buttons,.export-copy{flex-direction:column}}
