:root{--bg-color: #f8f9fa;--text-color: #212529;--accent-color: #007bff;--accent-color-hover: #0056b3;--sub-text-color: #495057;--border-color: #e9ecef;--card-border-color: #eee;--tag-bg-color: #e9ecef;--tag-text-color: #495057;--divider-color: #adb5bd}body{font-family:"Noto Serif JP",serif;background-color:var(--bg-color);color:var(--text-color);margin:0;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.App{text-align:center}.container{max-width:1200px;margin:0 auto;padding:20px}.header{background-color:#fffc;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);padding:10px 0;border-bottom:1px solid var(--border-color);position:sticky;top:0;z-index:100}.header-content{max-width:1200px;margin:0 auto;padding:0 20px;display:flex;justify-content:space-between;align-items:center}.header h1.site-title a{color:var(--text-color);text-decoration:none;font-size:1.5rem;font-family:"Noto Serif JP",serif;font-weight:700}.main-nav a{margin-left:24px;text-decoration:none;color:var(--sub-text-color);transition:color .2s ease}.main-nav a:hover{color:var(--text-color)}main.container{text-align:left;padding-top:40px;padding-bottom:60px}.profile-section,.projects-section,.about-page,.contact-page{margin-bottom:40px}.section-title{font-size:1.8rem;font-weight:500;margin-bottom:2rem;text-align:center;position:relative;padding-bottom:15px}.section-title:after{content:"";position:absolute;bottom:0;left:50%;transform:translate(-50%);width:50px;height:2px;background-color:var(--divider-color)}.profile-section p{text-align:center;line-height:1.8;color:var(--sub-text-color);margin-bottom:20px}.projects-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:30px}.project-card{background-color:#fff;border:1px solid var(--card-border-color);border-radius:4px;padding:0;text-decoration:none;color:inherit;transition:transform .3s ease,box-shadow .3s ease;overflow:hidden}.project-card:hover{transform:translateY(-5px);box-shadow:0 6px 24px #00000014}.project-card img{width:100%;height:auto;border-radius:4px;margin-bottom:12px}.project-card h3{margin-top:0}.project-detail{padding:20px}.project-content{display:flex;gap:30px;margin-top:20px}.project-image-large{max-width:50%;height:auto;border-radius:8px}.project-info{flex:1}.project-info h1{font-family:Noto Sans JP,sans-serif;font-weight:700;font-size:2.2Apprem;margin-top:0;margin-bottom:1rem}.tech-stack{list-style:none;padding:0;display:flex;flex-wrap:wrap;gap:8px}.tech-stack li{background-color:var(--tag-bg-color);color:var(--tag-text-color);padding:4px 8px;border-radius:4px;font-size:.85em}.back-link{display:inline-block;margin-top:30px}.project-links{margin-top:24px;margin-bottom:24px;display:flex;align-items:center;gap:24px}.project-site-link{display:inline-block;padding:10px 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ease}.contact-email:hover{color:var(--accent-color-hover);text-decoration:underline}.more-link{display:inline-block;margin-top:10px;color:var(--accent-color);text-decoration:none;font-weight:500}.more-link:hover{text-decoration:underline}.footer{background-color:var(--bg-color);border-top:1px solid var(--border-color);padding:40px 20px;margin-top:60px;color:var(--sub-text-color);font-size:.9rem}.footer-content{display:flex;flex-direction:column;align-items:center;gap:20px;text-align:center}.footer-nav{display:flex;gap:24px}.footer-nav a{color:var(--sub-text-color);text-decoration:none;transition:color .2s ease}.footer-nav a:hover{color:var(--text-color);text-decoration:underline}.social-links{display:flex;gap:20px;font-size:1.5rem}.social-links a{color:var(--sub-text-color);transition:color .2s ease}.social-links a:hover{color:var(--accent-color-hover)}.copyright p{margin:0}@media (max-width: 768px){.container{padding-left:15px;padding-right:15px}.header-content{flex-direction:column;gap:10px;padding-top:10px;padding-bottom:10px}.main-nav a{margin-left:12px;margin-right:12px}.section-title{font-size:1.6rem}.project-content{flex-direction:column;gap:20px}.project-image-large{max-width:100%}}@media (max-width: 480px){.project-links{flex-direction:column;align-items:flex-start;gap:15px}}.skills-section{margin-top:80px}.skills-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:30px;margin-top:2rem}.skills-category{background-color:#fff;border:1px solid var(--card-border-color);border-radius:4px;padding:25px;transition:transform .3s ease,box-shadow .3s ease}.skills-category:hover{transform:translateY(-3px);box-shadow:0 4px 20px #00000012}.skills-category h3{margin-top:0;margin-bottom:1rem;font-size:1.2rem;font-weight:500;color:var(--text-color);border-bottom:2px solid var(--accent-color);padding-bottom:10px}.skills-list{list-style:none;padding:0;margin:0}.skills-list li{padding:10px 5px;color:var(--sub-text-color);border-bottom:1px solid var(--border-color);font-size:.95rem}.skills-list li:last-child{border-bottom:none}/*! tailwindcss v4.1.12 | MIT License | https://tailwindcss.com */.container{width:100%}.mx-auto{margin-inline:auto}