*{margin:0;padding:0;box-sizing:border-box}body{font-family:'Noto Sans JP','Hiragino Sans','Hiragino Kaku Gothic ProN','Yu Gothic','Meiryo',sans-serif;line-height:1.6;color:#333;background-color:#fff}h1,h2,h3,h4,h5,h6{font-family:'Noto Serif JP','Hiragino Mincho ProN','Yu Mincho','YuMincho',serif;font-weight:700;line-height:1.2;margin-bottom:1rem}h1{font-size:3.5rem}h2{font-size:2.5rem}h3{font-size:2rem}h4{font-size:1.5rem}p{margin-bottom:1rem;font-size:1.1rem}.container{max-width:1200px;margin:0 auto;padding:0 2rem}.site-header{background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);color:#fff;padding:1rem 0;position:fixed;width:100%;top:0;z-index:1000;backdrop-filter:blur(10px);box-shadow:0 2px 20px rgba(0,0,0,.1);transition:all .3s ease}.site-header.scrolled{background:rgba(102,126,234,.95);backdrop-filter:blur(15px)}.site-header.header-hidden{transform:translateY(-100%)}.header-content{display:flex;justify-content:space-between;align-items:center}.site-title{font-size:1.8rem;font-weight:700}.site-title a{color:#fff;text-decoration:none}.nav-menu{display:flex;list-style:none;gap:2rem}.nav-menu a{color:#fff;text-decoration:none;font-weight:500;transition:all .3s ease;position:relative}.nav-menu a:hover{color:#f0f0f0}.nav-menu a:after{content:'';position:absolute;bottom:-5px;left:0;width:0;height:2px;background:#fff;transition:width .3s ease}.nav-menu a:hover:after{width:100%}.mobile-menu-toggle{display:none;background:0 0;border:none;cursor:pointer;padding:.5rem;flex-direction:column;gap:4px}.mobile-menu-toggle span{display:block;width:25px;height:3px;background:#fff;transition:all .3s ease}.mobile-menu-toggle.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}.mobile-menu-toggle.active 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0;background:#fff}.mission-content{text-align:center}.section-title{color:#667eea;margin-bottom:1rem}.section-subtitle{font-size:1.2rem;color:#666;margin-bottom:3rem;max-width:800px;margin-left:auto;margin-right:auto}.mission-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:3rem;margin-top:3rem}.mission-card{background:#fff;padding:2rem;border-radius:15px;box-shadow:0 10px 30px rgba(0,0,0,.1);transition:all .3s ease;border:1px solid #f0f0f0}.mission-card:hover{transform:translateY(-5px);box-shadow:0 20px 40px rgba(0,0,0,.15)}.mission-icon{width:60px;height:60px;background:linear-gradient(135deg,#667eea,#764ba2);border-radius:50%;display:flex;align-items:center;justify-content:center;margin-bottom:1.5rem;color:#fff;font-size:1.5rem}.mission-icon i{font-size:1.5rem}.mission-card h3{color:#667eea;margin-bottom:1rem}.about-section{padding:80px 0;background:linear-gradient(135deg,#f8f9fa 0%,#e9ecef 100%)}.about-content{display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:center}.about-text h2{color:#667eea;margin-bottom:2rem}.about-image{background:linear-gradient(135deg,#667eea,#764ba2);height:400px;border-radius:20px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:2rem;font-weight:700}.services-section{padding:80px 0;background:#fff}.services-content{text-align:center}.services-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:3rem;margin-top:3rem}.service-card{background:#fff;padding:2rem;border-radius:15px;box-shadow:0 10px 30px rgba(0,0,0,.1);transition:all .3s ease;border:1px solid #f0f0f0}.service-card:hover{transform:translateY(-5px);box-shadow:0 20px 40px rgba(0,0,0,.15)}.service-icon{width:60px;height:60px;background:linear-gradient(135deg,#667eea,#764ba2);border-radius:50%;display:flex;align-items:center;justify-content:center;margin-bottom:1.5rem;color:#fff;font-size:1.5rem}.service-icon i{font-size:1.5rem}.service-card h3{color:#667eea;margin-bottom:1rem}.contact-section{padding:80px 0;background:linear-gradient(135deg,#f8f9fa 0%,#e9ecef 100%)}.contact-content{text-align:center}.contact-info{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:2rem;margin-top:3rem}.contact-item{background:#fff;padding:2rem;border-radius:15px;box-shadow:0 10px 30px rgba(0,0,0,.1);transition:all .3s ease}.contact-item:hover{transform:translateY(-5px);box-shadow:0 20px 40px rgba(0,0,0,.15)}.contact-item h3{color:#667eea;margin-bottom:1rem}.contact-item h3 i{margin-right:.5rem;color:#667eea}.site-footer{background:#2c3e50;color:#fff;padding:3rem 0 1rem}.footer-content{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:2rem;margin-bottom:2rem}.footer-section h3{color:#667eea;margin-bottom:1rem}.footer-section p,.footer-section a{color:#bdc3c7;text-decoration:none;line-height:1.8}.footer-section p i{margin-right:.5rem;color:#667eea}.footer-section a:hover{color:#fff}.footer-section ul{list-style:none}.footer-section ul li{margin-bottom:.5rem}.social-links{display:flex;gap:1rem}.social-links a{display:inline-block;width:40px;height:40px;background:#667eea;border-radius:50%;display:flex;align-items:center;justify-content:center;transition:all .3s ease}.social-links a:hover{background:#5a6fd8;transform:translateY(-2px)}.footer-bottom{border-top:1px solid #34495e;padding-top:1rem;text-align:center;color:#bdc3c7}.scroll-to-top{position:fixed;bottom:30px;right:30px;width:50px;height:50px;background:linear-gradient(135deg,#667eea,#764ba2);border:none;border-radius:50%;color:#fff;font-size:1.2rem;cursor:pointer;opacity:0;visibility:hidden;transition:all .3s ease;z-index:1000;box-shadow:0 4px 15px rgba(0,0,0,.2)}.scroll-to-top.visible{opacity:1;visibility:visible}.scroll-to-top:hover{transform:translateY(-3px);box-shadow:0 6px 20px rgba(0,0,0,.3)}.notification{position:fixed;top:20px;right:20px;background:#fff;padding:1rem 1.5rem;border-radius:10px;box-shadow:0 10px 30px rgba(0,0,0,.2);z-index:10000;transform:translateX(100%);transition:transform .3s ease;max-width:400px;display:flex;align-items:center;justify-content:space-between;gap:1rem}.notification.show{transform:translateX(0)}.notification-success{border-left:4px solid #28a745}.notification-error{border-left:4px solid #dc3545}.notification-info{border-left:4px solid #17a2b8}.notification-close{background:0 0;border:none;font-size:1.5rem;cursor:pointer;color:#666;padding:0;line-height:1}.notification-close:hover{color:#333}@keyframes fadeInUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.fade-in-up{animation:fadeInUp .6s ease-out}.animate-in{opacity:1 !important;transform:translateY(0) !important}@media (max-width:768px){.hero-title{font-size:2.5rem}.nav-menu{display:none;position:absolute;top:100%;left:0;right:0;background:rgba(102,126,234,.95);backdrop-filter:blur(10px);flex-direction:column;padding:2rem;gap:1rem}.nav-menu.mobile-active{display:flex}.mobile-menu-toggle{display:flex}.about-content{grid-template-columns:1fr}.mission-grid,.services-grid{grid-template-columns:1fr}.contact-info{grid-template-columns:1fr}.container{padding:0 1rem}.scroll-to-top{bottom:20px;right:20px;width:45px;height:45px}}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:#f1f1f1}::-webkit-scrollbar-thumb{background:#667eea;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#5a6fd8}