:root{--color-bg: #0a0a0a;--color-text: #ffffff;--color-accent: #c0c0c0;--font-main: "Inter", sans-serif}*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font-main);background-color:var(--color-bg);color:var(--color-text);overflow-x:hidden}#header{position:fixed;top:0;left:0;width:100%;padding:1.5rem 2rem;display:flex;justify-content:space-between;align-items:center;z-index:100;mix-blend-mode:difference}.logo{font-size:1.5rem;font-weight:700;letter-spacing:.1em;color:#fff}nav ul{display:flex;gap:2rem;list-style:none}nav a{color:#fff;text-decoration:none;font-size:.9rem;text-transform:uppercase;letter-spacing:.05em;transition:opacity .3s}nav a:hover{opacity:.7}#webgl-canvas{position:fixed;top:0;left:0;width:100%;height:100%;z-index:-1;pointer-events:none}#mobile-bg{position:fixed;top:0;left:0;width:100%;height:100%;z-index:-1;background:#0a0a0a}.mobile-fallback-visual{width:100%;height:100%;background:linear-gradient(45deg,#0a0a0a,#1a1a2e);background-size:cover;background-position:center}.hidden{display:none}.section{min-height:100vh;display:flex;align-items:center;justify-content:center;position:relative;z-index:1;padding:2rem}.content{max-width:1200px;width:100%;text-align:center}h1{font-size:4rem;line-height:1.1;margin-bottom:2rem;background:linear-gradient(to right,#fff,#999);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent}@media(max-width:768px){h1{font-size:2.5rem;word-break:break-word}header{padding:1rem;flex-direction:column;gap:1rem}nav ul{gap:1rem;font-size:.8rem}}.concept-kanji{font-size:1.2rem;letter-spacing:.5em;color:var(--color-accent);margin-top:-1rem;margin-bottom:2rem;margin-right:-.5em;opacity:.6}h2{font-size:2.5rem;margin-bottom:1.5rem;color:var(--color-accent)}p{font-size:1.2rem;line-height:1.6;margin-bottom:1rem}.concept-grid{display:grid;grid-template-columns:1fr;gap:2rem;margin-top:2rem}@media(min-width:1024px){.concept-grid{grid-template-columns:repeat(3,1fr);gap:2rem;align-items:start}.concept-item:nth-child(2){margin-top:4rem}.concept-item:nth-child(3){margin-top:8rem}}.concept-item{padding:2rem;text-align:left;display:flex;flex-direction:column;height:100%;transition:transform .3s ease}.concept-item:hover{transform:translateY(-5px);background:#ffffff14}.concept-item-header{display:flex;align-items:baseline;gap:1rem;margin-bottom:1rem;border-bottom:1px solid rgba(255,255,255,.2);padding-bottom:1rem}.concept-number{font-size:3rem;font-weight:700;color:#ffffff1a;line-height:1}.concept-item h3{font-size:1.5rem;color:#fff;margin:0}.concept-subtitle{font-size:1.1rem;font-weight:700;color:var(--color-accent);margin-bottom:1rem}.concept-desc{font-size:.95rem;line-height:1.8;color:#ddd}.concept-desc strong{color:#fff;font-weight:700}.works-container{display:flex;overflow-x:auto;gap:2rem;padding:2rem 0;-webkit-overflow-scrolling:touch;scrollbar-width:none;-ms-overflow-style:none}.works-container::-webkit-scrollbar{display:none}.work-item{flex:0 0 300px;background:#ffffff0d;border-radius:8px;overflow:hidden;transition:transform .3s}.work-item:hover{transform:translateY(-10px)}.work-image{height:200px;background-size:cover;background-position:center}.work-info{padding:1rem;text-align:left}.work-info h3{font-size:1.2rem;margin-bottom:.5rem;color:#fff}.work-info p{font-size:.9rem;color:var(--color-accent);margin-bottom:0}.contact-desc{max-width:400px;margin:0 auto 1.5rem;text-align:left;font-size:.9rem;color:#ddd}form{display:flex;flex-direction:column;gap:1rem;max-width:400px;margin:0 auto}input,textarea{padding:1rem;background:#ffffff1a;border:1px solid rgba(255,255,255,.2);color:#fff;border-radius:4px;width:100%;font-family:inherit}textarea{resize:vertical}.checkbox-group{display:flex;align-items:center;gap:.5rem;justify-content:center;font-size:.9rem}.checkbox-group input{width:auto}.checkbox-group a{color:var(--color-accent);text-decoration:underline}button{padding:1rem;background:var(--color-text);color:var(--color-bg);border:none;border-radius:4px;cursor:pointer;font-weight:700;transition:opacity .3s}button:hover{opacity:.8}