:root{--bg:#fff;--ink:#111;--sub:#888;--line:#e5e5e5}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--ink);font-family:Inter,"Noto Sans JP",sans-serif;font-weight:400;line-height:1.9;letter-spacing:.04em;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
ul{list-style:none}

.loader{position:fixed;inset:0;background:#fff;display:grid;place-items:center;z-index:100;transition:opacity .8s,visibility .8s;font-size:12px;letter-spacing:.2em;color:var(--sub)}
.loader.done{opacity:0;visibility:hidden}

.header{position:fixed;top:0;left:0;right:0;display:flex;justify-content:space-between;align-items:center;padding:28px 48px;z-index:50;mix-blend-mode:difference;color:#fff}
.logo{font-weight:600;letter-spacing:.3em;font-size:15px}
.nav{display:flex;gap:36px;font-size:12px;letter-spacing:.2em}
.nav a{position:relative}
.nav a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:1px;background:currentColor;transition:width .3s}
.nav a:hover::after{width:100%}

.hero{min-height:100vh;display:grid;place-items:center;position:relative;padding:120px 24px;overflow:hidden}
.hero-art{position:absolute;width:min(70vw,620px);color:#ddd;animation:spin 80s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.hero-text{position:relative;text-align:center}
.hero-sub{font-size:11px;letter-spacing:.4em;color:var(--sub);margin-bottom:24px}
.hero h1{font-weight:300;font-size:clamp(26px,4.4vw,48px);line-height:1.6;letter-spacing:.12em}
.hero-lead{margin-top:28px;font-size:14px;color:#555}
.scroll{position:absolute;bottom:32px;left:50%;transform:translateX(-50%);font-size:10px;letter-spacing:.3em;color:var(--sub);padding-bottom:48px}
.scroll::after{content:"";position:absolute;bottom:0;left:50%;width:1px;height:40px;background:var(--sub);animation:line 2s infinite}
@keyframes line{0%{transform:scaleY(0);transform-origin:top}50%{transform:scaleY(1);transform-origin:top}51%{transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}

.section{max-width:1200px;margin:0 auto;padding:120px 48px}
.section-title{font-size:13px;font-weight:500;letter-spacing:.4em;margin-bottom:56px;display:flex;align-items:center;gap:16px}
.section-title::after{content:"";flex:1;height:1px;background:var(--line)}

.works{display:grid;grid-template-columns:repeat(3,1fr);gap:64px 40px}
.work .thumb{aspect-ratio:4/3;display:grid;place-items:center;overflow:hidden;margin-bottom:18px;transition:transform .6s cubic-bezier(.2,.7,.2,1)}
.work .thumb span{text-align:center;line-height:1.4;transition:transform .6s}
.work:hover .thumb span{transform:scale(1.08)}
.work:hover .thumb{transform:translateY(-4px)}
.work-tag{font-size:10px;letter-spacing:.2em;color:var(--sub)}
.work h3{font-size:15px;font-weight:500;margin:2px 0}
.work-cat{font-size:10px;letter-spacing:.15em;color:var(--sub)}
.t-nuri{background:#2b3a4a;color:#fff;font-size:34px;letter-spacing:.3em}
.t-tsumugi{background:#efe9df;color:#3a3127;font-size:18px;letter-spacing:.35em;font-weight:300}
.t-auto{background:#f4f6f9;color:#1d4f9a;font-size:26px;font-weight:600;letter-spacing:.15em}
.t-aube{background:#f6efe6;color:#9b7a55;font-size:30px;font-weight:300;font-style:italic}
.t-sen{background:#e7ebe3;color:#56634e;font-size:40px;letter-spacing:.5em;font-weight:300}

.about-grid{display:grid;grid-template-columns:1fr 1.6fr;gap:64px}
.name-en{font-size:32px;font-weight:300;letter-spacing:.3em}
.name-ja{font-size:12px;color:var(--sub)}
.about-body p{font-size:14px;margin-bottom:16px}
.about-body h3{font-size:11px;letter-spacing:.3em;font-weight:500;margin:40px 0 12px}
.about-body li{font-size:14px;padding:10px 0;border-bottom:1px solid var(--line)}

.contact p{font-size:14px}
.mail{display:inline-block;margin-top:24px;font-size:clamp(18px,3vw,30px);font-weight:300;border-bottom:1px solid var(--ink);padding-bottom:4px;transition:opacity .3s}
.mail:hover{opacity:.5}

.footer{text-align:center;padding:48px 16px;font-size:11px;letter-spacing:.2em;color:var(--sub)}

.fade{opacity:0;transform:translateY(24px);transition:opacity 1s,transform 1s}
.fade.show{opacity:1;transform:none}

@media(max-width:900px){.works{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){
  .header{padding:20px 16px}.nav{gap:16px;font-size:10px}
  .section{padding:80px 16px}
  .works{grid-template-columns:1fr;gap:48px}
  .about-grid{grid-template-columns:1fr;gap:32px}
}

/* multi-page */
.nav a.current::after{width:100%}
.page-head{padding:180px 48px 40px;max-width:1200px;margin:0 auto}
.page-head h1{font-size:clamp(40px,7vw,80px);font-weight:300;letter-spacing:.2em;line-height:1.2}
.page-head p{font-size:12px;color:var(--sub);letter-spacing:.2em}
.page-head + .section{padding-top:40px}
.thumb{position:relative}
.thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:top;z-index:1;transition:transform .6s}
.work:hover .thumb img{transform:scale(1.04)}
.work-desc{font-size:13px;color:#555;margin-top:10px;line-height:1.8}
.more{text-align:center;margin-top:64px}
.btn{display:inline-block;margin-top:24px;padding:14px 40px;border:1px solid var(--ink);font-size:11px;letter-spacing:.3em;transition:background .3s,color .3s}
.btn:hover{background:var(--ink);color:#fff}
.footer-nav{display:flex;justify-content:center;gap:28px;margin-bottom:16px}
.footer-nav a:hover{color:var(--ink)}
@media(max-width:640px){.page-head{padding:130px 16px 24px}}