@import url("https://fonts.googleapis.com/css2?family=Noto+Sans:wght@400;700&display=swap");*{box-sizing:border-box}*,body,html{margin:0;padding:0}body,html{font-family:Noto Sans,system-ui,sans-serif;background-color:#fff;color:#333;line-height:1.5;font-size:16px}.container{max-width:1200px;margin:0 auto;padding:1rem}.header-nav{display:flex;align-items:center;justify-content:space-between;padding:1rem;border-bottom:1px solid #ccc}.nav-links{display:flex;gap:1rem;list-style:none}.hamburger{display:none;flex-direction:column;gap:4px;cursor:pointer}.hamburger span{display:block;width:25px;height:3px;background-color:#333;border-radius:2px}@media (max-width:768px){.hamburger{display:flex}.nav-links{display:none;position:absolute;top:60px;right:0;flex-direction:column;gap:1rem;background-color:#fff;padding:1rem;border:1px solid #ccc;border-top:none;box-shadow:0 2px 5px rgba(0,0,0,.1);z-index:999}.nav-links.open{display:flex}}.hero-section{width:100vw;height:100vh;background:url(/hero.png) 50%/cover no-repeat;position:relative}.hero-text{position:absolute;bottom:20px;left:50%;transform:translateX(-50%);color:#fff;white-space:nowrap;font-size:clamp(1rem,8vw,2.5rem);display:flex;flex-direction:column;align-items:center}.hero-arrow{position:relative;width:2px;height:40px;margin-top:1rem}.hero-arrow:before{content:"";transform:translateX(-50%);width:2px;height:100%;background-color:#fff}.hero-arrow .circle,.hero-arrow:before{position:absolute;top:0;left:50%;opacity:.8}.hero-arrow .circle{transform:translate(-50%);width:12px;height:12px;border:2px solid #fff;border-radius:50%;animation:moveCircle 3s ease-in-out infinite}@keyframes moveCircle{0%{transform:translate(-50%)}50%{transform:translate(-50%,40px)}to{transform:translate(-50%)}}.works-section{padding:2rem 0;background-color:#f7f7f7}.works-section h2{margin-bottom:.5rem}.works-section p{margin-bottom:2rem;color:#666}.works-grid{display:grid;grid-gap:2rem;gap:2rem;grid-template-columns:repeat(auto-fill,minmax(300px,1fr))}.work-card{background-color:#fff;border:1px solid #ddd;border-radius:8px;overflow:hidden;box-shadow:0 2px 5px rgba(0,0,0,.1);text-align:center}.work-card img{width:100%;height:auto;display:block}.work-card h3{margin:1rem 0 .5rem;font-size:1.25rem}.work-card p{margin:0 1rem 1rem;color:#555}.about-section{padding:2rem 0;background-color:#fff}.about-section h2{margin-bottom:.5rem}.about-section p{margin-bottom:1rem;color:#666}.youtube-section{padding:1rem;background-color:#f8f9fa;text-align:center}.youtube-section h2{font-size:2rem;margin-bottom:1rem}.youtube-section a{color:#0070f3;text-decoration:underline}.youtube-thumbnail{cursor:pointer;transition:transform .3s ease}.youtube-thumbnail:hover{transform:scale(1.03);box-shadow:0 4px 15px rgba(0,0,0,.15)}.sns-section{padding:4rem 1rem;background-color:#f1f1f1;text-align:center}.sns-links{gap:2rem}.footer{padding:2rem 1rem;background-color:#f1f1f1;text-align:center}.sns-links{margin-top:1rem;display:flex;justify-content:center;gap:1.5rem;flex-wrap:wrap}.sns-link{display:flex;align-items:center;gap:.5rem;color:#333;text-decoration:none;font-weight:700;transition:transform .2s ease}.sns-link img{width:24px;height:24px}.sns-link:hover{transform:scale(1.05);color:#000}