@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=Noto+Sans+JP:wght@300;400;500&display=swap";:root{--color-bg:#030303;--color-text-primary:#ededed;--color-text-secondary:#888;--color-text-muted:#555;--color-accent:#fff;--font-sans:"Inter", "Noto Sans JP", sans-serif;--spacing-xs:.5rem;--spacing-sm:1rem;--spacing-md:2rem;--spacing-lg:4rem;--spacing-xl:8rem;--spacing-xxl:12rem;--transition-slow:1.2s cubic-bezier(.2, 0, .2, 1);--transition-normal:.6s cubic-bezier(.2, 0, .2, 1);--transition-fast:.3s ease}html,body{background-color:var(--color-bg);color:var(--color-text-primary);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;scroll-behavior:smooth;font-size:16px;line-height:1.6;overflow-x:hidden}::selection{color:var(--color-accent);background-color:#ffffff1a}button{color:inherit;cursor:pointer;background:0 0;border:none;font-family:inherit}h1,h2,h3,h4{letter-spacing:.05em;font-weight:400;line-height:1.2}h1{font-size:clamp(2rem,5vw,4rem)}h2{font-size:clamp(1.5rem,3vw,2.5rem)}p{color:var(--color-text-secondary);letter-spacing:.02em;font-weight:300}strong{color:var(--color-text-primary);font-weight:500}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border-width:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.delay-3{animation-delay:.9s}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}:root{--bg-color:#0c0c0c;--bg-surface:#141414;--text-primary:#e6e6e6;--text-secondary:#8c8c8c;--border-subtle:#ffffff0f;--border-focus:#ffffff26;--font-sans:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-serif:"Playfair Display", Georgia, serif;--font-mono:"JetBrains Mono", "Fira Code", monospace;--container-width:1200px;--header-height:80px;--space-xs:.5rem;--space-sm:1rem;--space-md:2rem;--space-lg:4rem;--space-xl:8rem;--transition-fast:.2s cubic-bezier(.25, 1, .5, 1);--transition-slow:.6s cubic-bezier(.25, 1, .5, 1)}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{font-family:var(--font-sans);background-color:var(--bg-color);color:var(--text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;scroll-behavior:smooth;font-size:16px;line-height:1.6}body{min-height:100vh;overflow-x:hidden}a{color:inherit;transition:color var(--transition-fast);text-decoration:none}a:hover{color:var(--text-secondary)}h1,h2,h3,h4,h5,h6{letter-spacing:-.02em;font-weight:400;line-height:1.2}.heading-hero{letter-spacing:-.03em;font-size:clamp(2.5rem,5vw,5rem)}.heading-section{margin-bottom:var(--space-md);font-size:clamp(2rem,3vw,3rem)}.text-muted{color:var(--text-secondary)}.app-container{flex-direction:column;min-height:100vh;display:flex}.container{width:100%;max-width:var(--container-width);padding:0 var(--space-md);margin:0 auto}.main-content{padding-top:var(--header-height);flex-direction:column;flex:1;display:flex}.section{padding:var(--space-xl) 0}.site-header{width:100%;height:var(--header-height);z-index:100;-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border-subtle);transition:background var(--transition-fast);background:#0c0c0cb3;align-items:center;display:flex;position:fixed;top:0;left:0}.header-inner{justify-content:space-between;align-items:center;display:flex}.site-logo{letter-spacing:-.01em;font-size:1.125rem;font-weight:600}.site-nav{gap:var(--space-md);display:flex}.site-nav a{text-transform:uppercase;letter-spacing:.05em;color:var(--text-secondary);font-size:.875rem}.site-nav a:hover,.site-nav a.active{color:var(--text-primary)}.site-footer{padding:var(--space-lg) 0;border-top:1px solid var(--border-subtle);margin-top:auto}.footer-inner{align-items:center;gap:var(--space-sm);flex-direction:column;display:flex}.footer-copy{color:var(--text-secondary);font-size:.875rem}.fade-in{opacity:0;animation:fadeIn var(--transition-slow) forwards}.delay-1{animation-delay:.2s}.delay-2{animation-delay:.4s}.background-echo{pointer-events:none;z-index:-1;justify-content:center;align-items:center;width:100vw;height:100vh;display:flex;position:fixed;top:50%;left:50%;transform:translate(-50%,-50%)}.echo-ring{border:1px solid #ffffff08;border-radius:50%;position:absolute}.ring-1{width:30vw;height:30vw;animation:10s infinite alternate pulse}.ring-2{width:50vw;height:50vw;animation:15s infinite alternate-reverse pulse}.ring-3{width:80vw;height:80vw;animation:20s infinite alternate pulse}@keyframes pulse{0%{opacity:.5;transform:scale(1)}to{opacity:1;transform:scale(1.1)}}.form-group{margin-bottom:var(--space-sm);gap:var(--space-xs);flex-direction:column;display:flex}.form-group label{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em;font-size:.875rem}.form-control{background:var(--bg-surface);border:1px solid var(--border-subtle);color:var(--text-primary);transition:border-color var(--transition-fast);border-radius:0;padding:1rem;font-family:inherit;font-size:1rem}.form-control:focus{border-color:var(--border-focus);outline:none}.btn-primary{background:var(--text-primary);color:var(--bg-color);text-transform:uppercase;letter-spacing:.05em;cursor:pointer;transition:opacity var(--transition-fast);border:none;justify-content:center;align-items:center;padding:1rem 2rem;font-family:inherit;font-size:.875rem;font-weight:500;display:inline-flex}.btn-primary:hover{opacity:.9;color:var(--bg-color)}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.btn-outline{color:var(--text-primary);text-transform:uppercase;letter-spacing:.05em;border:1px solid var(--border-focus);cursor:pointer;transition:all var(--transition-fast);background:0 0;justify-content:center;align-items:center;padding:1rem 2rem;font-family:inherit;font-size:.875rem;font-weight:500;display:inline-flex}.btn-outline:hover{background:var(--border-subtle)}