:root{--bg-color:#050505;--text-color:#e5e7eb;--accent-color:#6366f1;--font-main:"Outfit", "Noto Sans JP", sans-serif;--font-serif:"STVerticalMincho", "Noto Serif JP", serif}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-main);color:var(--text-color);background:radial-gradient(circle,#111 0%,#050505 100%);min-height:100vh;margin:0;overflow:hidden}#app{flex-direction:column;width:100vw;height:100vh;display:flex}.editor-container{flex:1;width:100%;height:100%;position:relative;overflow:hidden}.editor-wrapper{transform-origin:0 0;width:100vh;height:100vw;transform:rotate(90deg)translateY(-100%)}.cm-editor{height:100%!important}.cm-scroller{max-width:800px;margin:0 auto;padding:40px!important}.cm-focused{outline:none!important}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:#333;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#444}.footer{text-align:right;z-index:10;background-color:#000;border-top:1px solid #1a1a1a;padding:1rem 2rem}.footer a{color:#666;letter-spacing:.05em;font-size:.85rem;text-decoration:none;transition:color .3s}.footer a:hover{color:var(--accent-color)}