:root{--color-bg: #fafafa;--color-bg-accent: #f2f2f2;--color-text: #1a1a1a;--color-text-sub: #555;--color-text-muted: #999;--color-border: #e0e0e0;--font: "Inter", "Noto Sans JP", -apple-system, BlinkMacSystemFont, sans-serif;--ease: cubic-bezier(.16, 1, .3, 1)}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html{font-size:16px;scroll-behavior:smooth;scroll-padding-top:64px;-webkit-font-smoothing:antialiased}body{font-family:var(--font);background:var(--color-bg);color:var(--color-text);line-height:1.8;overflow-x:hidden}a{color:inherit;text-decoration:none}ul{list-style:none}.header{position:fixed;top:0;left:0;width:100%;z-index:100;padding:0 48px;height:64px;display:flex;align-items:center;justify-content:space-between;background:var(--color-bg);border-bottom:1px solid rgba(0,0,0,.05)}.header-logo{font-size:1.1rem;font-weight:600;letter-spacing:.03em}.header-nav{display:flex;gap:32px}.header-nav a{font-size:.8rem;font-weight:500;letter-spacing:.04em;color:var(--color-text-sub);transition:color .3s ease}.header-nav a:hover{color:var(--color-text)}.menu-toggle{display:none;background:none;border:none;cursor:pointer;width:28px;height:20px;position:relative;z-index:101}.menu-toggle span{display:block;width:100%;height:1.5px;background:var(--color-text);position:absolute;left:0;transition:.3s var(--ease)}.menu-toggle span:first-child{top:4px}.menu-toggle span:last-child{bottom:4px}.menu-toggle.active span:first-child{top:50%;transform:translateY(-50%) rotate(45deg)}.menu-toggle.active span:last-child{bottom:50%;transform:translateY(50%) rotate(-45deg)}.mobile-nav{position:fixed;inset:0;background:var(--color-bg);z-index:99;display:flex;align-items:center;justify-content:center;opacity:0;pointer-events:none;transition:opacity .4s ease}.mobile-nav.active{opacity:1;pointer-events:auto}.mobile-nav nav{display:flex;flex-direction:column;align-items:center;gap:28px}.mobile-nav a{font-size:1.25rem;font-weight:500;letter-spacing:.04em}.hero{min-height:100dvh;display:flex;align-items:center;padding:0 48px;position:relative;background:#0a0a0a;color:#fafafa;overflow:hidden}.hero-canvas{position:absolute;top:0;left:0;width:100%;height:100%}.hero-inner{max-width:800px;padding-top:64px;position:relative;z-index:1}.hero-label{font-size:.75rem;font-weight:500;letter-spacing:.14em;text-transform:uppercase;color:#fff6;margin-bottom:20px}.hero-title{font-size:clamp(2rem,5vw,3.5rem);font-weight:700;line-height:1.4;letter-spacing:-.01em;margin-bottom:24px}.hero-sub{font-size:.95rem;color:#ffffff80;line-height:2;margin-bottom:40px}.hero-cta{display:inline-flex;align-items:center;gap:8px;font-size:.85rem;font-weight:500;color:#fff;padding:12px 28px;border:1px solid rgba(255,255,255,.2);border-radius:100px;transition:all .3s var(--ease)}.hero-cta:hover{background:#fff;color:#0a0a0a;border-color:#fff}.section{min-height:100dvh;padding:100px 48px;display:flex;align-items:center}.section>.container,.section>.container--narrow{width:100%}.section--accent{background:var(--color-bg-accent)}.container{max-width:960px;margin:0 auto}.container--narrow{max-width:640px;margin:0 auto}.section-label{font-size:.7rem;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--color-text-muted);margin-bottom:20px}.section-title{font-size:clamp(1.6rem,3vw,2.2rem);font-weight:700;margin-bottom:48px}.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s var(--ease),transform .7s var(--ease)}.reveal.visible{opacity:1;transform:translateY(0)}.about-content{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}.about-title{font-size:clamp(1.5rem,3vw,2.2rem);font-weight:700;line-height:1.6}.about-text p{font-size:1rem;color:var(--color-text-sub);line-height:2;margin-bottom:12px}.about-text p:last-child{margin-bottom:0}.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.service-card{background:#fff;padding:36px 28px;border-radius:12px;border:1px solid rgba(0,0,0,.06);transition:transform .3s var(--ease),box-shadow .3s var(--ease)}.service-card:hover{transform:translateY(-3px);box-shadow:0 12px 40px #0000000d}.service-num{font-size:.75rem;font-weight:600;color:var(--color-text-muted);letter-spacing:.06em;margin-bottom:20px}.service-card h3{font-size:1.2rem;font-weight:600;margin-bottom:12px}.service-card p{font-size:.95rem;color:var(--color-text-sub);line-height:1.8;margin-bottom:20px}.service-tags{display:flex;flex-wrap:wrap;gap:6px}.service-tags span{font-size:.7rem;padding:3px 10px;border-radius:100px;background:var(--color-bg-accent);color:var(--color-text-muted);font-weight:500}.profile{display:flex;gap:40px;align-items:flex-start}.profile-name{font-size:1.3rem;font-weight:600;margin-bottom:4px}.profile-role{font-size:.8rem;color:var(--color-text-muted);letter-spacing:.04em;margin-bottom:16px}.profile-bio{font-size:1rem;color:var(--color-text-sub);line-height:2}.info-table{max-width:640px}.info-row{display:grid;grid-template-columns:120px 1fr;padding:18px 0;border-bottom:1px solid rgba(0,0,0,.07);gap:20px;font-size:.9rem}.info-row:first-child{border-top:1px solid rgba(0,0,0,.07)}.info-row dt{color:var(--color-text-muted);font-weight:500;font-size:.85rem}.info-row dd{color:var(--color-text-sub)}.contact-title{font-size:clamp(1.6rem,3vw,2.2rem);font-weight:700;margin-bottom:16px;text-align:center}.contact-sub{font-size:1rem;color:var(--color-text-sub);text-align:center;line-height:2;margin-bottom:36px}.contact-action{text-align:center}.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 36px;font-size:.88rem;font-weight:500;font-family:inherit;background:var(--color-text);color:#fff;border:none;border-radius:100px;cursor:pointer;transition:all .3s var(--ease)}.btn:hover{opacity:.8;transform:translateY(-1px)}.footer{padding:40px 48px;border-top:1px solid var(--color-border)}.footer-inner{max-width:960px;margin:0 auto;display:flex;align-items:center;justify-content:space-between}.footer-logo{font-size:.95rem;font-weight:600;letter-spacing:.03em}.footer small{font-size:.72rem;color:var(--color-text-muted)}.pc-only{display:inline}.sp-only{display:none}@media(max-width:768px){.header{padding:0 24px}.header-nav{display:none}.menu-toggle{display:block}.hero{padding:0 24px}.section{padding:72px 24px}.about-content{grid-template-columns:1fr;gap:28px}.service-grid{grid-template-columns:1fr;gap:16px}.profile{flex-direction:column;align-items:center;text-align:center}.footer{padding:32px 24px}.footer-inner{flex-direction:column;gap:12px}.pc-only{display:none}.sp-only{display:inline}}