:root{--primary-color:#22386D;--accent-color:#21BCA5;--text-color:#333333;--text-light:#666666;--bg-color:#FFFFFF;--bg-light:#F8F9FA;--border-color:#E9ECEF;--shadow:0 2px 10px rgba(0, 0, 0, 0.1);--shadow-hover:0 5px 20px rgba(0, 0, 0, 0.15);--transition:all 0.3s ease}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:'Noto Sans JP',sans-serif;line-height:1.6;color:var(--text-color);background-color:var(--bg-color)}img{max-width:100%;height:auto}a{text-decoration:none;color:inherit}ul{list-style:none}.container{max-width:1200px;margin:0 auto;padding:0 20px}.section-title{font-size:2.5rem;font-weight:700;text-align:center;margin-bottom:3rem;color:var(--primary-color);position:relative}.section-title::after{content:'';position:absolute;bottom:-10px;left:50%;transform:translateX(-50%);width:60px;height:3px;background-color:var(--accent-color)}.btn{display:inline-block;padding:12px 30px;border-radius:5px;font-weight:500;text-align:center;transition:var(--transition);cursor:pointer;border:none;font-size:1rem}.btn-primary{background-color:var(--accent-color);color:#fff}.btn-primary:hover{background-color:#1da690;transform:translateY(-2px);box-shadow:var(--shadow-hover)}.header{position:fixed;top:0;left:0;width:100%;background-color:rgba(255,255,255,.95);backdrop-filter:blur(10px);z-index:1000;transition:var(--transition);box-shadow:var(--shadow)}.header-content{display:flex;justify-content:space-between;align-items:center;padding:1rem 0}.logo a{font-size:1.5rem;font-weight:700;color:var(--primary-color)}.nav-list{display:flex;gap:2rem}.nav-link{font-weight:500;transition:var(--transition);position:relative}.nav-link:hover{color:var(--accent-color)}.nav-link::after{content:'';position:absolute;bottom:-5px;left:0;width:0;height:2px;background-color:var(--accent-color);transition:var(--transition)}.nav-link:hover::after{width:100%}.hamburger{display:none;flex-direction:column;cursor:pointer}.hamburger span{width:25px;height:3px;background-color:var(--primary-color);margin:3px 0;transition:var(--transition)}.hero{position:relative;height:100vh;display:flex;align-items:center;justify-content:center;text-align:center;color:#fff;overflow:hidden}.hero-background{position:absolute;top:0;left:0;width:100%;height:100%;z-index:-2}.hero-image{width:100%;height:100%;object-fit:cover}.hero-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(135deg,rgba(34,56,109,.8),rgba(33,188,165,.6));z-index:-1}.hero-content{z-index:1;animation:fadeInUp 1s ease-out}.hero-title{font-size:3.5rem;font-weight:700;margin-bottom:1rem;text-shadow:2px 2px 4px rgba(0,0,0,.3)}.hero-subtitle{font-size:1.3rem;margin-bottom:1rem;opacity:.9}.hero-description{font-size:1.1rem;margin-bottom:2rem;opacity:.8}.hero-description,.hero-subtitle,.hero-title{text-shadow:0 4px 16px rgba(0,0,0,.7),2px 2px 6px #000}.scroll-down{position:absolute;bottom:30px;left:50%;transform:translateX(-50%);text-align:center;color:#fff;animation:bounce 2s infinite}.scroll-arrow{width:20px;height:20px;border-right:2px solid #fff;border-bottom:2px solid #fff;transform:rotate(45deg);margin:10px auto}.about{padding:5rem 0;background-color:var(--bg-light)}.about-content{display:grid;grid-template-columns:1fr 2fr;gap:3rem;align-items:center}.profile-image{width:100%;max-width:300px;border-radius:50%;box-shadow:var(--shadow)}.about-name{font-size:2rem;font-weight:700;color:var(--primary-color);margin-bottom:1rem}.about-description{margin-bottom:1.5rem;line-height:1.8;color:var(--text-light)}.contact-info{margin-top:2rem}.contact-info a{color:var(--accent-color);font-weight:500}.contact-info a:hover{text-decoration:underline}.skills{padding:5rem 0}.skills-content{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:3rem}.skill-category{background-color:var(--bg-light);padding:2rem;border-radius:10px;box-shadow:var(--shadow)}.skill-category-title{font-size:1.3rem;font-weight:700;color:var(--primary-color);margin-bottom:1.5rem;text-align:center}.skill-item{margin-bottom:1.5rem}.skill-info{display:flex;justify-content:space-between;margin-bottom:.5rem}.skill-name{font-weight:500}.skill-level{font-size:.9rem;color:var(--text-light)}.skill-bar{height:8px;background-color:#e9ecef;border-radius:4px;overflow:hidden}.skill-progress{height:100%;background:linear-gradient(90deg,var(--accent-color),var(--primary-color));border-radius:4px;width:0;transition:width 1s ease-out}.works{padding:5rem 0;background-color:var(--bg-light)}.works-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(350px,1fr));gap:2rem}.work-item{background-color:#fff;border-radius:10px;overflow:hidden;box-shadow:var(--shadow);transition:var(--transition)}.work-item:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover)}.work-image{position:relative;overflow:hidden}.work-image img{width:100%;height:250px;object-fit:cover;transition:var(--transition)}.work-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background-color:rgba(33,188,165,.9);display:flex;align-items:center;justify-content:center;opacity:0;transition:var(--transition)}.work-item:hover .work-overlay{opacity:1}.work-link{color:#fff;font-weight:500;padding:10px 20px;border:2px solid #fff;border-radius:5px;transition:var(--transition)}.work-link:hover{background-color:#fff;color:var(--accent-color)}.work-content{padding:1.5rem}.work-title{font-size:1.3rem;font-weight:700;color:var(--primary-color);margin-bottom:1rem}.work-description{color:var(--text-light);margin-bottom:1rem;line-height:1.6}.work-tech{display:flex;flex-wrap:wrap;gap:.5rem}.tech-tag{background-color:var(--accent-color);color:#fff;padding:.3rem .8rem;border-radius:15px;font-size:.8rem;font-weight:500}.work-more-box{margin:50px auto 10px;text-align:center}.btn-more{background-color:var(--primary-color);border-radius:50px;color:#fff}.btn-more:hover{background-color:#2f4f99;color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-hover)}.contact{padding:5rem 0}.contact-content{display:grid;grid-template-columns:1fr 1fr;gap:3rem}.contact-info h3{font-size:1.5rem;color:var(--primary-color);margin-bottom:1rem}.contact-info p{color:var(--text-light);margin-bottom:2rem;line-height:1.6}.contact-item{margin-bottom:1rem}.contact-item a{color:var(--accent-color);font-weight:500}.contact-form{background-color:var(--bg-light);padding:2rem;border-radius:10px;box-shadow:var(--shadow)}.form-group{margin-bottom:1.5rem}.form-group label{display:block;margin-bottom:.5rem;font-weight:500;color:var(--primary-color)}.required{color:#e74c3c}.form-group input,.form-group textarea{width:100%;padding:12px;border:2px solid var(--border-color);border-radius:5px;font-size:1rem;transition:var(--transition)}.form-group input:focus,.form-group textarea:focus{outline:0;border-color:var(--accent-color);box-shadow:0 0 0 3px rgba(33,188,165,.1)}#mail_complete{background:#fff;font-size:1.2rem;margin-bottom:30px;padding:15px 20px}.footer{background-color:var(--primary-color);color:#fff;padding:2rem 0;text-align:center}.footer-content{display:flex;justify-content:space-between;align-items:center}.footer-links a{color:var(--accent-color);margin-left:1rem;transition:var(--transition)}.footer-links a:hover{color:#fff}@keyframes fadeInUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@keyframes bounce{0%,100%,20%,50%,80%{transform:translateX(-50%) translateY(0)}40%{transform:translateX(-50%) translateY(-10px)}60%{transform:translateX(-50%) translateY(-5px)}}.fade-in{opacity:0;transform:translateY(30px);transition:all .6s ease-out}.fade-in.visible{opacity:1;transform:translateY(0)}@media (max-width:768px){.container{padding:0 15px}.section-title{font-size:2rem}.nav{position:fixed;top:100%;left:0;width:100%;background-color:#fff;box-shadow:var(--shadow);transition:var(--transition);z-index:999;visibility:hidden;opacity:0;pointer-events:none}.nav.active{top:70px;visibility:visible;opacity:1;pointer-events:auto}.nav-list{flex-direction:column;padding:1rem 0;gap:0}.nav-link{display:block;padding:1rem 2rem;border-bottom:1px solid var(--border-color)}.nav-link:last-child{border-bottom:none}.hamburger{display:flex}.hamburger.active span:nth-child(1){transform:rotate(45deg) translate(6px,5px)}.hamburger.active span:nth-child(2){opacity:0}.hamburger.active span:nth-child(3){transform:rotate(-45deg) translate(8px,-7px)}.hero-title{font-size:2.5rem}.hero-subtitle{font-size:1.1rem}.hero-description{font-size:1rem}.about-content{grid-template-columns:1fr;text-align:center;gap:2rem}.skills-content{grid-template-columns:1fr}.works-grid{grid-template-columns:1fr}.contact-content{grid-template-columns:1fr;gap:2rem}.footer-content{flex-direction:column;gap:1rem}}@media (max-width:480px){.hero-title{font-size:2rem}.section-title{font-size:1.8rem}.skill-category{padding:1.5rem}.contact-form{padding:1.5rem}}.nav-link.active{color:var(--accent-color)}.nav-link.active::after{width:100%}.fade-in,.skill-progress,.work-item{will-change:transform,opacity}.work-item:hover .work-image img{transform:scale(1.05)}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--bg-light)}::-webkit-scrollbar-thumb{background:var(--accent-color);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--primary-color)}.btn:focus,.nav-link:focus,input:focus,textarea:focus{outline:2px solid var(--accent-color);outline-offset:2px}@keyframes pulse{0%{opacity:1}50%{opacity:.5}100%{opacity:1}}.loading{animation:pulse 1.5s ease-in-out infinite}@media (min-width:769px) and (max-width:1024px){.hero-title{font-size:3rem}.works-grid{grid-template-columns:repeat(2,1fr)}.skills-content{grid-template-columns:repeat(2,1fr)}}