:root{--primary:#c4254b;--primary-hover:#ff6b8b;--secondary:#ffc6c7;--bg:#faeee7;--card-bg:#fffffe;--text:#33272a;--sub-text:#594a4e;--shadow:rgba(0,0,0,0.05);--btn-bg:#fff;--menu-bg:#fff0f3;--article-bg:#fff}body.dark-mode{--primary:#ff8ba7;--primary-hover:#ff5c8d;--secondary:#4a3b40;--bg:#1a1a24;--card-bg:#262633;--text:#eee;--sub-text:#aaa;--shadow:rgba(0,0,0,0.3);--btn-bg:#2c2c3a;--menu-bg:#20202b;--article-bg:#262633}*{box-sizing:border-box;margin:0;padding:0;transition:background-color .3s,color .3s,border-color .3s}body{font-family:Nunito,sans-serif;background-color:var(--bg);color:var(--text);min-height:100vh;display:flex;flex-direction:column;overflow-x:hidden}header{width:100%;max-width:1000px;padding:20px;justify-content:space-between;margin:0 auto 10px;position:relative;z-index:100}.header-left,header{display:flex;align-items:center}.header-left{gap:15px}.hamburger{background:none;border:none;font-size:1.8rem;cursor:pointer;color:var(--text);padding:0;line-height:1}.logo{font-family:M PLUS Rounded\ 1c,sans-serif;font-weight:700;font-size:1.5rem;color:var(--primary);text-decoration:none;cursor:pointer}.theme-toggle{background:var(--card-bg);border:1px solid var(--secondary);color:var(--text);padding:8px 15px;border-radius:20px;cursor:pointer;font-size:.9rem;display:flex;align-items:center;gap:5px;min-width:80px;justify-content:center}.theme-toggle:hover{border-color:var(--primary)}.side-menu{position:fixed;top:0;left:-300px;width:250px;height:100%;background-color:var(--menu-bg);box-shadow:2px 0 15px rgba(0,0,0,.1);padding:80px 20px 20px;z-index:1000;transition:left .3s ease;display:flex;flex-direction:column;gap:15px}.side-menu.open{left:0}.side-menu a{text-decoration:none;color:var(--text);font-size:1.1rem;font-weight:700;padding:10px 15px;border-radius:10px;transition:background .2s}.side-menu a:hover{background-color:var(--primary);color:#fff}.close-menu-btn{position:absolute;top:20px;right:20px;background:none;border:none;font-size:1.5rem;color:var(--sub-text);cursor:pointer}.overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.5);z-index:999;display:none;opacity:0;transition:opacity .3s}.overlay.active{display:block;opacity:1}.grid-container{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:15px;width:100%;max-width:1000px;padding:0 20px;margin:0 auto 10px}.card{background:var(--card-bg);padding:25px 10px;border-radius:16px;text-align:center;cursor:pointer;box-shadow:0 4px 6px var(--shadow);border:2px solid transparent;display:flex;flex-direction:column;justify-content:center;align-items:center;height:130px}.card:hover{transform:translateY(-4px);box-shadow:0 10px 15px var(--shadow);border-color:var(--primary)}.kao-text{font-size:1.2rem;margin-bottom:8px;font-family:M PLUS Rounded\ 1c,sans-serif;word-break:break-word}.kao-desc{font-size:.75rem;color:var(--sub-text);opacity:.8;font-weight:700;text-transform:uppercase}.article-section{width:100%;max-width:800px;background:var(--article-bg);padding:40px;margin:0 auto 60px;border-radius:20px;box-shadow:0 4px 15px var(--shadow);line-height:1.6}.article-section h1.main-title{font-size:2rem;margin-bottom:10px}.article-section h2{font-family:M PLUS Rounded\ 1c,sans-serif;color:var(--primary);margin-bottom:20px;font-size:1.8rem}.article-section p,.article-section ul{margin-bottom:15px;color:var(--sub-text);font-size:1rem}.toast{visibility:hidden;min-width:250px;background-color:var(--text);color:var(--bg);text-align:center;border-radius:50px;padding:14px 20px;position:fixed;z-index:2000;bottom:30px;left:50%;transform:translateX(-50%);font-size:1rem;opacity:0;box-shadow:0 5px 15px rgba(0,0,0,.3);transition:opacity .3s,bottom .3s;font-weight:700}.toast.show{visibility:visible;opacity:1;bottom:50px}footer{background-color:var(--card-bg);padding:40px 20px 20px;text-align:center;margin-top:50px;border-top:1px solid var(--border-color)}footer h3{font-size:1.1rem;margin-bottom:20px;opacity:.8}.footer-nav{display:grid;grid-template-columns:repeat(2,1fr);gap:15px;max-width:800px;margin:0 auto 30px;text-align:left}.footer-nav a{color:var(--text-color);text-decoration:none;font-size:.9rem;opacity:.7;transition:opacity .2s,color .2s}.footer-nav a:hover{opacity:1;color:var(--primary);text-decoration:underline}.copyright{font-size:.85rem;opacity:.5;margin-top:20px}@media (min-width:768px){.footer-nav{grid-template-columns:repeat(4,1fr);text-align:center}}.section-header{width:100%;max-width:1000px;margin:10px auto;text-align:left;border-bottom:1px solid var(--secondary);padding:0 20px 5px;display:flex;align-items:center;justify-content:space-between}.section-header h2{font-size:1.3rem;color:var(--primary)}.article-section{margin-bottom:15px!important;padding-bottom:15px!important}.kaomojiimg{display:block;max-width:100%;margin:auto}