/* ============================================
   Licht Studio — 写真スタジオ
   Theme: B&W Gallery / Large Photos / Masonry
   STANDALONE — Photo-first, text-minimal
   ============================================ */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Inter','Noto Sans JP',sans-serif;color:#888;background:#fff;font-size:14px;line-height:1.8;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
::selection{background:rgba(0,0,0,.08)}

:root{--black:#111;--gray:#888;--light:#f5f5f5;--fe:'Inter',sans-serif}

/* === HEADER — Ultra thin === */
.hdr{position:fixed;top:0;left:0;width:100%;z-index:800;display:flex;align-items:center;justify-content:space-between;padding:1.25rem clamp(1.5rem,4vw,3rem);background:rgba(255,255,255,.9);backdrop-filter:blur(12px)}
.hdr-logo{font-size:.8rem;font-weight:700;color:var(--black);letter-spacing:.12em;text-transform:uppercase}
.hdr-nav{display:flex;gap:2rem;align-items:center}
.hdr-nav a{font-size:.65rem;font-weight:500;color:var(--gray);letter-spacing:.05em;transition:color .2s}
.hdr-nav a:hover{color:var(--black)}
@media(max-width:640px){.hdr-nav a:first-child{display:none}}

/* === HERO — Full-bleed photo, no text overlay === */
.hero-photo{margin-top:52px}
.hero-photo img{width:100%;height:80vh;object-fit:cover;filter:grayscale(20%)}
.hero-photo-caption{padding:1.5rem clamp(1.5rem,4vw,3rem);display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid rgba(0,0,0,.04)}
.hero-photo-caption h1{font-size:clamp(1.3rem,3vw,2rem);font-weight:700;color:var(--black);letter-spacing:.05em}
.hero-photo-caption p{font-size:.7rem;color:var(--gray);max-width:300px;text-align:right}

/* === MASONRY GALLERY === */
.gallery-section{padding:clamp(2rem,4vw,3rem) clamp(1.5rem,4vw,3rem)}
.gallery-section h2{font-size:.65rem;font-weight:600;letter-spacing:.15em;text-transform:uppercase;color:var(--gray);margin-bottom:1.5rem}
.masonry{columns:3;column-gap:1rem}
.masonry-item{break-inside:avoid;margin-bottom:1rem;position:relative;overflow:hidden;cursor:pointer}
.masonry-item img{width:100%;display:block;filter:grayscale(30%);transition:filter .6s,transform .6s}
.masonry-item:hover img{filter:grayscale(0%);transform:scale(1.02)}
.masonry-caption{position:absolute;bottom:0;left:0;right:0;padding:1rem;background:linear-gradient(transparent,rgba(0,0,0,.6));color:#fff;opacity:0;transform:translateY(8px);transition:all .3s}
.masonry-item:hover .masonry-caption{opacity:1;transform:none}
.masonry-caption h3{font-size:.75rem;font-weight:600;margin-bottom:.15rem}
.masonry-caption p{font-size:.55rem;color:rgba(255,255,255,.6)}
@media(max-width:768px){.masonry{columns:2}}
@media(max-width:480px){.masonry{columns:1}}

/* === SERVICES === */
.svc-photo{padding:clamp(3rem,6vw,5rem) clamp(1.5rem,4vw,3rem);border-top:1px solid rgba(0,0,0,.04)}
.svc-photo h2{font-size:.65rem;font-weight:600;letter-spacing:.15em;text-transform:uppercase;color:var(--gray);margin-bottom:2rem}
.svc-photo-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid rgba(0,0,0,.04)}
.svc-photo-item{padding:1.5rem;border-right:1px solid rgba(0,0,0,.04);transition:background .3s}
.svc-photo-item:last-child{border-right:none}
.svc-photo-item:hover{background:var(--light)}
.svc-photo-item h3{font-size:.85rem;font-weight:700;color:var(--black);margin-bottom:.4rem}
.svc-photo-item p{font-size:.68rem;line-height:1.8;margin-bottom:.5rem}
.svc-photo-item .price{font-size:.65rem;font-weight:600;color:var(--black)}
@media(max-width:768px){.svc-photo-grid{grid-template-columns:repeat(2,1fr)}.svc-photo-item:nth-child(2){border-right:none}}
@media(max-width:480px){.svc-photo-grid{grid-template-columns:1fr}.svc-photo-item{border-right:none;border-bottom:1px solid rgba(0,0,0,.04)}}

/* === ABOUT STRIP === */
.about-strip{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid rgba(0,0,0,.04)}
.about-strip-img img{width:100%;height:100%;object-fit:cover;min-height:400px;filter:grayscale(40%)}
.about-strip-text{display:flex;flex-direction:column;justify-content:center;padding:clamp(2rem,5vw,4rem)}
.about-strip-text h2{font-size:1.1rem;font-weight:700;color:var(--black);margin-bottom:1rem;letter-spacing:.02em}
.about-strip-text p{font-size:.78rem;line-height:2.2}
@media(max-width:768px){.about-strip{grid-template-columns:1fr}.about-strip-img img{min-height:250px}}

/* === CTA === */
.cta-photo{padding:clamp(3rem,6vw,5rem) clamp(1.5rem,4vw,3rem);text-align:center;background:var(--black);color:#fff}
.cta-photo h2{font-size:clamp(1rem,2.5vw,1.5rem);font-weight:700;margin-bottom:.4rem}
.cta-photo p{font-size:.72rem;color:rgba(255,255,255,.35);margin-bottom:1.25rem}
.cta-photo-btn{display:inline-block;font-size:.65rem;font-weight:600;letter-spacing:.1em;border:1px solid rgba(255,255,255,.2);padding:.55rem 1.8rem;color:#fff;transition:all .3s}
.cta-photo-btn:hover{background:#fff;color:var(--black);opacity:1}

.ftr-photo{padding:1rem clamp(1.5rem,4vw,3rem);text-align:center;font-size:.55rem;color:rgba(0,0,0,.12)}

.sa{opacity:0;transform:translateY(18px);transition:opacity .7s cubic-bezier(.22,1,.36,1),transform .9s cubic-bezier(.22,1,.36,1)}
.sa.v{opacity:1;transform:none}
.d1{transition-delay:.1s}.d2{transition-delay:.2s}.d3{transition-delay:.3s}

.badge{position:fixed;bottom:1rem;right:1rem;font-size:.5rem;color:rgba(0,0,0,.08);display:flex;align-items:center;gap:.3rem;z-index:700}
.badge::before{content:'';width:3px;height:3px;background:var(--black);border-radius:50%}