:root{--color-bg:#fafafa;--color-bg-alt:#f4f4f2;--color-primary:#111;--color-accent:#1a5cff;--color-accent-hover:#0f44d0;--color-muted:#888;--color-border:#e8e8e8;--color-white:#fff;--font-en:var(--font-inter), "Inter", sans-serif;--font-ja:var(--font-noto-sans-jp), "Noto Sans JP", sans-serif;--section-padding:clamp(80px, 12vw, 160px);--container-width:1280px;--container-padding:clamp(24px, 5vw, 80px);--ease-spring:cubic-bezier(.16, 1, .3, 1);--ease-out:cubic-bezier(.25, .46, .45, .94);--duration-fast:.2s;--duration-normal:.5s;--duration-slow:.8s;--shadow-sm:0 2px 8px #0000000f;--shadow-md:0 8px 32px #00000014;--shadow-lg:0 24px 64px #0000001f}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;height:100%;font-size:16px}html,body{max-width:100vw;overflow-x:hidden}body{background-color:var(--color-bg);min-height:100%;color:var(--color-primary);font-family:var(--font-ja);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-weight:300;line-height:1.8}body.is-loading{overflow:hidden}a{color:inherit;text-decoration:none}img,video{max-width:100%;display:block}.font-en{font-family:var(--font-en)}.font-ja{font-family:var(--font-ja)}.container{width:100%;max-width:var(--container-width);padding-inline:var(--container-padding);margin-inline:auto}.section{padding-block:var(--section-padding);position:relative;overflow:hidden}.section-label{font-family:var(--font-en);letter-spacing:.25em;text-transform:uppercase;color:var(--color-muted);align-items:center;gap:16px;margin-bottom:24px;font-size:clamp(10px,1vw,11px);font-weight:200;display:flex}.section-label:before{content:"";background-color:var(--color-accent);width:32px;height:1px;display:block}.section-title{font-family:var(--font-en);letter-spacing:-.02em;color:var(--color-primary);font-size:clamp(36px,5vw,72px);font-weight:200;line-height:1.05}.section-title--jp{font-family:var(--font-ja);letter-spacing:.1em;color:var(--color-muted);margin-top:8px;font-size:clamp(13px,1.2vw,16px);font-weight:300}.btn{font-family:var(--font-en);letter-spacing:.12em;text-transform:uppercase;transition:all var(--duration-normal) var(--ease-out);cursor:pointer;border:none;align-items:center;gap:12px;padding:16px 32px;font-size:13px;font-weight:300;display:inline-flex;position:relative;overflow:hidden}.btn--primary{background-color:var(--color-primary);color:var(--color-white)}.btn--primary:after{content:"";background-color:var(--color-accent);transform-origin:0;transition:transform var(--duration-normal) var(--ease-spring);position:absolute;inset:0;transform:scaleX(0)}.btn--primary:hover:after{transform:scaleX(1)}.btn--primary .btn-text,.btn--primary .btn-icon{z-index:1;position:relative}.btn--outline{color:var(--color-primary);border:1px solid var(--color-primary);background-color:#0000}.btn--outline:hover{background-color:var(--color-primary);color:var(--color-white)}.btn-icon{transition:transform var(--duration-fast) var(--ease-out)}.btn:hover .btn-icon{transform:translate(6px)}.arrow-link{font-family:var(--font-en);letter-spacing:.15em;text-transform:uppercase;color:var(--color-primary);transition:gap var(--duration-fast) var(--ease-out);align-items:center;gap:10px;font-size:12px;font-weight:300;display:inline-flex}.arrow-link:after{content:"→";transition:transform var(--duration-fast) var(--ease-out)}.arrow-link:hover{gap:16px}.arrow-link:hover:after{transform:translate(4px)}.anim-fade-up{opacity:0;transition:opacity var(--duration-slow) var(--ease-spring), transform var(--duration-slow) var(--ease-spring);transform:translateY(48px)}.anim-fade-up.is-visible{opacity:1;transform:translateY(0)}.anim-fade-left{opacity:0;transition:opacity var(--duration-slow) var(--ease-spring), transform var(--duration-slow) var(--ease-spring);transform:translate(-48px)}.anim-fade-left.is-visible{opacity:1;transform:translate(0)}.anim-fade-right{opacity:0;transition:opacity var(--duration-slow) var(--ease-spring), transform var(--duration-slow) var(--ease-spring);transform:translate(48px)}.anim-fade-right.is-visible{opacity:1;transform:translate(0)}.anim-delay-1{transition-delay:.1s}.anim-delay-2{transition-delay:.2s}.anim-delay-3{transition-delay:.3s}.anim-delay-4{transition-delay:.4s}.anim-delay-5{transition-delay:.5s}.divider{background-color:var(--color-border);width:100%;height:1px}.text-muted{color:var(--color-muted)}.bg-alt{background-color:var(--color-bg-alt)}@media (max-width:768px){:root{--section-padding:clamp(60px, 10vw, 100px)}}