:root{--primary-color:#6a4c3a;--secondary-color:#f5f0e8;--text-color:#3e3e3e;--accent-color:#a47e69;--white-color:#fff;--bg-main:var(--secondary-color);--bg-content:var(--white-color);--text-main:var(--text-color);--text-heading:var(--primary-color);--border-color:#e0d8cc}body.dark-theme{--primary-color:#d3bda6;--secondary-color:#1a1a1a;--text-color:#c7c7c7;--accent-color:#a47e69;--white-color:#2c2c2c;--bg-main:#1a1a1a;--bg-content:#2c2c2c;--text-main:#c7c7c7;--text-heading:#d3bda6;--border-color:#444}*{box-sizing:border-box;margin:0;padding:0}html{height:100%;overflow-x:hidden}body{font-family:"Noto Serif JP","游明朝 Medium","Yu Mincho Medium","YuMincho Medium","ヒラギノ明朝 ProN","Hiragino Mincho ProN",serif;background-color:var(--bg-main);color:var(--text-main);line-height:1.8;overflow-x:hidden;transition:background-color .3s , color .3s;-webkit-text-size-adjust:100%;width:100%;min-height:100vh;padding-top:60px}.reader-header{background-color:rgba(245,240,232,.95);padding:10px 0;border-bottom:1px solid var(--border-color);position:fixed;top:0;left:0;right:0;z-index:1000;transition:background-color .3s , border-color .3s;width:100%;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}body.dark-theme .reader-header{background-color:rgba(44,44,44,.95)}.reader-header .container{display:flex;justify-content:space-between;align-items:center;max-width:100%;padding:0 20px;width:100%}.logo a{font-size:24px;font-weight:700;color:var(--text-heading);text-decoration:none;white-space:nowrap}.reader-controls{display:flex;align-items:center;gap:20px;flex-shrink:0}.display-settings-btn,.menu-toggle{background:none;border:none;cursor:pointer;font-size:16px;color:var(--text-heading);flex-shrink:0}.menu-toggle{width:25px;height:25px;display:flex;flex-direction:column;justify-content:space-around}.menu-toggle .bar{display:block;width:100%;height:3px;background-color:var(--text-heading)}.reader-container{display:flex;gap:30px;padding:30px 20px;align-items:flex-start;max-width:100%;width:100%}.sidebar-left,.sidebar-right{flex-shrink:0;width:260px;position:sticky;top:80px;height:calc(100vh - 90px);overflow-y:auto;max-width:100%}.sidebar-card{background:var(--bg-content);border-radius:16px;padding:20px;box-shadow:0 4px 15px rgba(0,0,0,.05);margin-bottom:20px;transition:background-color .3s;max-width:100%;overflow:hidden}body.dark-theme .sidebar-card{box-shadow:0 4px 15px rgba(0,0,0,.2)}.sidebar-card h3{font-size:18px;margin-bottom:15px;padding-bottom:10px;border-bottom:1px solid var(--border-color);color:var(--text-heading);transition:border-color .3s , color .3s;word-wrap:break-word;overflow-wrap:break-word}.author-card .author-image{width:100px;height:100px;border-radius:50%;background-color:#eee;margin:0 auto 15px auto;background-size:cover}.author-card .author-name{font-size:20px;text-align:center;margin-bottom:5px;word-wrap:break-word;overflow-wrap:break-word}.author-card .author-bio{font-size:14px;text-align:center;color:#777;word-wrap:break-word;overflow-wrap:break-word}body.dark-theme .author-card .author-bio{color:#aaa}.related-novel-list{list-style:none}.related-novel-item a{display:block;padding:10px;border-radius:5px;transition:background-color .3s;text-decoration:none;word-wrap:break-word;overflow-wrap:break-word}.related-novel-item a:hover{background-color:var(--bg-main)}.related-novel-item .title{font-weight:bold;color:var(--text-main);font-size:15px;word-wrap:break-word;overflow-wrap:break-word}.related-novel-item .author{font-size:13px;color:var(--accent-color);word-wrap:break-word;overflow-wrap:break-word}.main-content{min-width:0;flex-grow:1;background:var(--bg-content);padding:50px;border-radius:16px;box-shadow:0 4px 20px rgba(0,0,0,.07);transition:background-color .3s;max-width:100%;overflow-x:hidden}body.dark-theme .main-content{box-shadow:0 4px 20px rgba(0,0,0,.2)}.novel-title{text-align:center;font-size:32px;margin-bottom:50px;color:var(--text-heading);word-wrap:break-word;overflow-wrap:break-word}.novel-text{max-width:100%;font-size:17px;line-height:2.2;white-space:pre-wrap;transition:font-size .3s;word-wrap:break-word;overflow-wrap:break-word;hyphens:auto;-webkit-hyphens:auto;-ms-hyphens:auto}.novel-text.font-size-small{font-size:14px}.novel-text.font-size-large{font-size:21px}.modal-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.5);z-index:1999;opacity:0;transition:opacity .3s ease;pointer-events:none}.modal-overlay.visible{opacity:1;pointer-events:auto}.settings-modal,.resume-modal{position:fixed;top:50%;left:50%;transform:translate(-50%,-60%);background:var(--bg-content);border-radius:18px;padding:20px;width:90%;max-width:340px;box-shadow:0 10px 30px rgba(0,0,0,.2);z-index:2001;opacity:0;transition:opacity .3s ease , transform .3s ease;pointer-events:none}.settings-modal.visible,.resume-modal.visible{opacity:1;transform:translate(-50%,-50%);pointer-events:auto}.modal-header{display:flex;justify-content:space-between;align-items:center;padding-bottom:15px;margin-bottom:15px;border-bottom:1px solid var(--border-color)}.modal-header h4{font-size:22px;color:var(--text-heading)}.close-modal-btn{background:none;border:none;font-size:25px;cursor:pointer;color:#888}.setting-group{margin-bottom:20px}.setting-group label{display:block;margin-bottom:10px;font-size:15px;color:var(--text-main)}.control-buttons{display:flex}.control-buttons button{flex:1;padding:8px;border:1px solid var(--border-color);background:var(--bg-main);color:var(--text-main);cursor:pointer}.control-buttons button:first-child{border-radius:5px 0 0 5px}.control-buttons button:last-child{border-radius:0 5px 5px 0}.control-buttons button.active{background:var(--primary-color);color:var(--white-color);border-color:var(--primary-color)}.toggle-switch{position:relative;display:inline-block;width:50px;height:28px}.toggle-switch input{opacity:0;width:0;height:0}.slider{position:absolute;cursor:pointer;top:0;left:0;right:0;bottom:0;background-color:#ccc;transition:.4s;border-radius:28px}.slider:before{position:absolute;content:"";height:20px;width:20px;left:4px;bottom:4px;background-color:#fff;transition:.4s;border-radius:50%}input:checked+.slider{background-color:var(--primary-color)}input:checked+.slider:before{transform:translateX(22px)}.resume-modal{padding:30px;text-align:center}.resume-modal p{font-size:20px;margin-bottom:20px;color:var(--text-main)}.resume-modal button{background-color:var(--primary-color);color:var(--white-color);border:none;padding:10px 30px;border-radius:20px;cursor:pointer;transition:background-color .3s ease}.resume-modal button:hover{background-color:var(--accent-color)}.actions-modal{position:fixed;bottom:-100%;left:0;width:100%;background:var(--bg-content);border-top:1px solid var(--border-color);z-index:2000;transition:bottom .3s ease-in-out;padding:10px 0}.actions-modal.visible{bottom:0}.actions-list{display:flex;justify-content:space-around;list-style:none}.action-item button{background:none;border:none;cursor:pointer;color:var(--text-main);display:flex;flex-direction:column;align-items:center;gap:8px;padding:10px;border-radius:8px;width:100px}.action-item button:hover{background-color:var(--bg-main)}.action-item svg{width:24px;height:24px;fill:var(--text-heading)}.toast-notification{position:fixed;bottom:-100px;left:50%;transform:translateX(-50%);background-color:rgba(0,0,0,.8);color:#fff;padding:12px 25px;border-radius:25px;font-size:14px;z-index:3000;transition:bottom .5s ease-in-out , opacity .5s ease-in-out;opacity:0}.toast-notification.show{bottom:30px;opacity:1}@media (max-width:1080px){.reader-container{flex-direction:column}.sidebar-left,.sidebar-right{position:static;width:100%;height:auto;overflow-y:visible}.main-content{order:-1}}@media (max-width:768px){.reader-container{padding:0 0;width:100%}.main-content{padding:30px 18px;border-radius:0;width:100%}.novel-title{font-size:28px}.logo a{font-size:20px}.display-settings-btn{font-size:14px}.reader-header .container{padding:0 10px}.reader-controls{gap:10px}.novel-text{overflow-wrap:anywhere}}