:root{--bg-primary:#fff;--bg-secondary:#f8f9fa;--bg-tertiary:#f1f3f5;--bg-overlay:#fffffff5;--bg-dark-overlay:#0a0a0abf;--text-primary:#0a0a0a;--text-secondary:#495057;--text-muted:#868e96;--text-dim:#ced4da;--text-white:#fff;--border-light:#e9ecef;--border-medium:#dee2e6;--border-strong:#0a0a0a;--accent-blue:#3282fd;--accent-blue-hover:#1c6feb;--accent-blue-subtle:#3282fd14;--font-en:"Montserrat", sans-serif;--font-jp:"Noto Sans JP", sans-serif;--font-main:"Montserrat", "Noto Sans JP", sans-serif;--ease-snappy:cubic-bezier(.16, 1, .3, 1);--ease-smooth:cubic-bezier(.22, 1, .36, 1);--ease-in-out:cubic-bezier(.4, 0, .2, 1);--section-padding:clamp(80px, 10vw, 140px);--container-max-width:1200px}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;background-color:var(--bg-primary);color:var(--text-primary);font-size:16px}body{width:100%;min-height:100vh;font-family:var(--font-main);letter-spacing:.02em;background-color:var(--bg-primary);color:var(--text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-weight:400;line-height:1.8;overflow-x:hidden}a{color:inherit;transition:color .2s var(--ease-snappy);text-decoration:none}button{cursor:pointer;background:0 0;border:none;outline:none;font-family:inherit}img{max-width:100%;height:auto;display:block}.custom-scrollbar::-webkit-scrollbar{width:6px;height:6px}.custom-scrollbar::-webkit-scrollbar-track{background:0 0}.custom-scrollbar::-webkit-scrollbar-thumb{background:var(--border-medium)}.custom-scrollbar::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}.section-container{max-width:var(--container-max-width);margin:0 auto;padding:0 clamp(20px,4vw,40px)}.section-header{text-align:center;margin-bottom:clamp(40px,6vw,70px)}.section-tag{font-family:var(--font-en);letter-spacing:.2em;text-transform:uppercase;color:var(--accent-blue);margin-bottom:8px;font-size:.75rem;font-weight:700;display:inline-block}.section-title{letter-spacing:.04em;color:var(--text-primary);font-size:clamp(1.8rem,3.5vw,2.5rem);font-weight:700;line-height:1.2}.section-divider{background-color:var(--accent-blue);width:40px;height:2px;margin:16px auto 0}