:root{--color-wood: #8B6B4A;--color-wood-lt: #B08860;--color-concrete: #8C8580;--color-concrete-lt: #C4BFB8;--color-ink: #1C1A18;--color-ink-soft: #4A4440;--color-mist: #7A7470;--color-cream: #F8F5F0;--color-bg-section: #F0EDE8;--color-bg-white: #FFFFFF;--color-rule: #DDD8D2;--font-serif: "Noto Serif JP", serif;--font-sans: "Noto Sans JP", sans-serif}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:var(--font-sans);color:var(--color-ink);background:var(--color-bg-white);overflow-x:hidden}img{max-width:100%;height:auto;display:block}a{text-decoration:none;color:inherit}ul{list-style:none}#intro-overlay{position:fixed;inset:0;z-index:9999;background:var(--color-cream);display:flex;flex-direction:column;align-items:center;justify-content:center;transition:opacity .8s ease}#intro-canvas{position:absolute;inset:0;width:100%;height:100%}#intro-text{position:relative;z-index:10;text-align:center;opacity:0;transform:translateY(10px);transition:opacity .9s ease,transform .9s ease}#intro-text.visible{opacity:1;transform:translateY(0)}.intro-sub{font-size:.62rem;letter-spacing:.28em;color:var(--color-concrete);margin-bottom:.5rem;font-family:var(--font-sans);font-weight:500}.intro-logo{font-family:var(--font-serif);font-size:2.4rem;font-weight:700;color:var(--color-ink);letter-spacing:.18em;margin-bottom:.5rem}.intro-tagline{font-size:.68rem;letter-spacing:.18em;color:var(--color-mist);font-family:var(--font-serif)}#site-header{position:fixed;top:0;left:0;right:0;z-index:100;background:#f8f5f0f7;border-bottom:1px solid var(--color-rule);backdrop-filter:blur(8px)}.header-inner{max-width:1200px;margin:0 auto;padding:0 2rem;height:64px;display:flex;align-items:center;justify-content:space-between}.site-logo{display:flex;align-items:baseline;gap:.8rem}.logo-main{font-family:var(--font-serif);font-size:1.15rem;font-weight:700;color:var(--color-ink);letter-spacing:.1em}.logo-sub{font-size:.62rem;letter-spacing:.1em;color:var(--color-mist);font-weight:500}.site-nav{display:flex;align-items:center;gap:0}.nav-link{font-size:.75rem;font-weight:500;color:var(--color-ink-soft);padding:.5rem .65rem;transition:color .2s;white-space:nowrap}.nav-link:hover,.nav-link.active{color:var(--color-wood)}.nav-contact{background:var(--color-ink);color:#fff!important;padding:.45rem 1.1rem;margin-left:.6rem;font-size:.74rem}.nav-contact:hover{background:var(--color-ink-soft)!important}.hamburger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:4px}.hamburger span{display:block;width:22px;height:1.5px;background:var(--color-ink)}.mobile-menu{display:none;position:fixed;top:64px;left:0;right:0;background:var(--color-cream);z-index:99;border-bottom:1px solid var(--color-rule)}.mobile-menu.open{display:flex;flex-direction:column}.m-nav{padding:1rem 2rem;font-size:.88rem;font-weight:500;color:var(--color-ink);border-bottom:1px solid var(--color-rule)}main{padding-top:64px}.section-badge{display:inline-block;font-size:.55rem;font-weight:700;letter-spacing:.28em;color:var(--color-concrete);background:#8c858012;padding:.22rem .7rem;margin-bottom:.8rem;border:1px solid rgba(140,133,128,.2)}.section-title{font-family:var(--font-serif);font-size:clamp(1.2rem,2.5vw,1.6rem);font-weight:700;color:var(--color-ink);margin-bottom:1.5rem;line-height:1.5}.page-hero{background:var(--color-bg-section);padding:5rem 2rem 4rem;text-align:center;position:relative;overflow:hidden;border-bottom:1px solid var(--color-rule)}.page-hero h1{font-family:var(--font-serif);font-size:clamp(1.6rem,3vw,2.2rem);color:var(--color-ink);font-weight:700;margin-bottom:.8rem}.page-hero p{font-size:.84rem;color:var(--color-ink-soft)}.btn-primary{display:inline-flex;align-items:center;gap:.6rem;background:var(--color-ink);color:#fff;font-family:var(--font-sans);font-size:.84rem;font-weight:700;padding:.85rem 2.2rem;transition:background .2s;letter-spacing:.06em}.btn-primary:hover{background:var(--color-ink-soft)}.arrow-line{display:inline-block;width:26px;height:1px;background:#fff;position:relative}.arrow-line:after{content:"";position:absolute;right:0;top:-3px;width:6px;height:6px;border-top:1.5px solid #fff;border-right:1.5px solid #fff;transform:rotate(45deg)}.arrow-line-dark{display:inline-block;width:26px;height:1px;background:currentColor;position:relative}.arrow-line-dark:after{content:"";position:absolute;right:0;top:-3px;width:6px;height:6px;border-top:1.5px solid currentColor;border-right:1.5px solid currentColor;transform:rotate(45deg)}.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}.reveal.in-view{opacity:1;transform:none}footer{background:var(--color-ink);padding:3rem 2rem 0}.footer-inner{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:auto 1fr auto;gap:2.5rem;align-items:start;padding-bottom:2rem;border-bottom:1px solid rgba(255,255,255,.1)}.footer-logo-main{display:block;font-family:var(--font-serif);font-size:1.1rem;font-weight:700;color:#fff;letter-spacing:.15em;margin-bottom:.2rem}.footer-logo-sub{display:block;font-size:.58rem;letter-spacing:.12em;color:#ffffff73}.footer-info p{font-size:.72rem;color:#fff9;line-height:1.9}.footer-nav{display:flex;flex-direction:column;gap:.4rem}.footer-nav a{font-size:.7rem;color:#ffffff8c;transition:color .2s}.footer-nav a:hover{color:var(--color-wood-lt)}.footer-copy{max-width:1200px;margin:0 auto;padding:1rem 0}.footer-copy p{font-size:.65rem;color:#ffffff4d;text-align:center}@media(max-width:900px){.site-nav{display:none}.hamburger{display:flex}.footer-inner{grid-template-columns:1fr}}