@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;700&family=Noto+Sans+JP:wght@300;400;500;700&display=swap";
:root{--primary-red:#e60012;--primary-red-hover:#cc0010;--text-dark:#1a1a1c;--text-light:#666;--bg-color:#f8f9fa;--card-bg:#fffffff2}.not-found-wrapper{background-color:var(--bg-color);color:var(--text-dark);z-index:99999;justify-content:center;align-items:center;width:100vw;height:100vh;font-family:Inter,Noto Sans JP,sans-serif;display:flex;position:fixed;top:0;left:0;overflow:hidden}.pattern-bg{z-index:0;background-image:radial-gradient(circle at 2px 2px,#e600120d 1px,#0000 0);background-size:32px 32px;width:100%;height:100%;position:absolute;top:0;left:0}.petals{pointer-events:none;z-index:1;width:100%;height:100%;position:absolute;top:0;left:0;overflow:hidden}.petal{background:linear-gradient(135deg,#e6001226 0%,#e600120d 100%);border-radius:150% 0;animation:linear infinite fall;position:absolute}@keyframes fall{0%{opacity:0;transform:translateY(-10vh)rotate(0)translate(0)}10%{opacity:1}90%{opacity:1}to{opacity:0;transform:translateY(110vh)rotate(360deg)translate(100px)}}.container{z-index:10;background:var(--card-bg);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);opacity:0;border-radius:24px;width:90%;max-width:850px;animation:.8s cubic-bezier(.16,1,.3,1) forwards slideUp;display:flex;position:relative;overflow:hidden;transform:translateY(40px);box-shadow:0 20px 40px #00000014,inset 0 0 0 1px #ffffff80}@keyframes slideUp{to{opacity:1;transform:translateY(0)}}.content{flex-direction:column;flex:1;justify-content:center;padding:60px 50px;display:flex}.visual{background:linear-gradient(135deg,#fff0f1 0%,#fff 100%);border-left:1px solid #00000008;justify-content:center;align-items:center;width:320px;display:flex;position:relative}.brand-badge{letter-spacing:1.5px;color:var(--primary-red);text-transform:uppercase;align-items:center;gap:8px;margin-bottom:20px;font-size:.85rem;font-weight:700;display:flex}.brand-badge:before{content:"";background-color:var(--primary-red);border-radius:50%;width:12px;height:12px;display:block}h1.error-code{color:var(--text-dark);margin-bottom:10px;font-size:6.5rem;font-weight:800;line-height:1;display:inline-block;position:relative}h1.error-code:after{content:"404";color:#e600121a;z-index:-1;position:absolute;top:4px;left:4px}h2.japanese-title{color:var(--primary-red);letter-spacing:2px;margin-bottom:16px;font-family:Noto Sans JP,sans-serif;font-size:1.25rem;font-weight:500}h3.vietnamese-title{color:var(--text-dark);margin-bottom:16px;font-size:1.75rem;font-weight:600}p.description{color:var(--text-light);max-width:400px;margin-bottom:32px;font-size:1.05rem;line-height:1.6}.actions{gap:16px;display:flex}.btn{cursor:pointer;border:none;border-radius:8px;align-items:center;gap:8px;padding:14px 28px;font-size:1rem;font-weight:600;text-decoration:none;transition:all .3s;display:flex}.btn-primary{background-color:var(--primary-red);color:#fff;box-shadow:0 4px 15px #e600124d}.btn-primary:hover{background-color:var(--primary-red-hover);transform:translateY(-2px);box-shadow:0 6px 20px #e6001266}.btn-secondary{color:var(--text-dark);background-color:#0000;border:1px solid #e2e8f0}.btn-secondary:hover{background-color:#f1f5f9;border-color:#cbd5e1;transform:translateY(-2px)}.art-container{width:100%;height:100%;position:relative}.circle-art{background:var(--primary-red);opacity:.05;border-radius:50%;width:200px;height:200px;animation:4s ease-in-out infinite alternate pulse;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.circle-art-2{opacity:.1;width:150px;height:150px;animation-delay:1s}@keyframes pulse{0%{opacity:.05;transform:translate(-50%,-50%)scale(.95)}to{opacity:.15;transform:translate(-50%,-50%)scale(1.05)}}.icon-education{width:90px;height:90px;color:var(--primary-red);position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}@media (max-width:768px){.container{flex-direction:column}.visual{border-bottom:1px solid #00000008;border-left:none;order:-1;width:100%;height:220px}.content{padding:40px 30px}h1.error-code{font-size:5rem}}