:root{--ink:#171313;--paper:#f6f1e9;--red:#d51d29;--gold:#ddb26a;--muted:#77706b}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;overflow-x:clip;overscroll-behavior-y:none}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"Noto Sans JP","Hiragino Kaku Gothic ProN",Meiryo,sans-serif;overflow-x:clip;overscroll-behavior-y:none}
img{display:block;max-width:100%;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit}
:focus-visible{outline:3px solid #f5bd49;outline-offset:4px}

/* Existing shared header styles are retained. */
.dechauheaderWrapper{position:sticky;top:0;left:0;z-index:9999;width:100%;margin-bottom:1rem}
.dechauheader{background:#ff4200}
.dechauheader a{display:block;padding:10px}
.dechauheader img{width:min(80%,400px);margin:0 auto}
.dechauheaderContentsWrapper{background:#4d4d4d}
.dechauheaderContents{display:flex;justify-content:space-between;width:min(90%,600px);margin:0 auto}
.dechauheaderContents a{padding:.55em;color:#fff;font-size:.9rem;font-weight:700}

.hero{position:relative;isolation:isolate;margin-top:-1rem;display:flex;align-items:center;overflow:hidden;background:radial-gradient(circle at 80% 20%,#9a1826 0,transparent 38%),linear-gradient(135deg,#2b1116 0%,#170e11 55%,#360d17 100%);color:#fff}
.hero::before{content:"";position:absolute;inset:0;z-index:-1;opacity:.35;background:repeating-linear-gradient(115deg,transparent 0 80px,rgba(255,255,255,.08) 81px,transparent 82px),linear-gradient(90deg,transparent 0 72%,rgba(221,178,106,.22) 72.1%,transparent 72.3%)}
.hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:5px;background:linear-gradient(90deg,var(--red),var(--gold),var(--red))}
.hero__inner{position:relative;z-index:1;width:min(100% - 40px,1100px);margin:0 auto;padding:42px 0 48px}
.hero__eyebrow,.section-kicker{font-family:"Barlow Condensed",sans-serif;font-size:14px;font-weight:800;letter-spacing:.2em}
.hero__eyebrow{display:flex;align-items:center;gap:12px;color:#edc98e}
.hero__eyebrow-line{display:inline-block;width:28px;height:1px;background:currentColor}
.hero__brand{display:flex;align-items:end;gap:12px}
.hero__brand img{width:clamp(170px,36vw,260px);height:auto}
.hero__brand span{padding-bottom:5px;font-size:clamp(16px,3vw,24px);font-weight:900;letter-spacing:.08em;white-space:nowrap}
.hero h1{margin:28px 0 20px;font-size:clamp(54px,11vw,112px);font-weight:900;letter-spacing:-.075em;line-height:1.08}
.hero h1 span{color:#f4c77b}
.hero__copy{margin:0;font-size:clamp(15px,2.4vw,19px);font-weight:700;line-height:1.9;letter-spacing:.04em}
.hero__link{display:inline-flex;align-items:center;justify-content:space-between;gap:34px;min-width:200px;margin-top:26px;padding:16px 20px;border:1px solid #eecb91;color:#fbe3b9;font-weight:800;transition:background .2s,color .2s}
.hero__link:hover{background:#fbe3b9;color:var(--ink)}
.hero__link span{font-size:23px;line-height:1}
.hero__number{position:absolute;right:-.015em;bottom:-.37em;z-index:0;color:rgba(255,255,255,.045);font-family:"Barlow Condensed",sans-serif;font-size:clamp(390px,58vw,820px);font-weight:900;line-height:1;pointer-events:none}

.gallery-section{padding:36px max(20px,calc((100vw - 1100px)/2)) 56px;scroll-margin-top:120px}
.gallery-nav{display:flex;align-items:center;justify-content:space-between;gap:16px;width:min(100%,1100px);margin:16px auto 0}
.gallery-section.is-static .gallery-nav{display:none}
.section-kicker{margin:0 0 11px;color:var(--red)}
.section-head h2,.more-section h2{margin:0;font-size:clamp(30px,5vw,52px);font-weight:900;letter-spacing:-.07em;line-height:1.25}
.section-head__dot{color:var(--red)}
.gallery-arrow{display:grid;place-items:center;flex:0 0 50px;width:50px;height:50px;border:1px solid #ae8e70;border-radius:50%;background:#291b1b;color:#f5dfb9;box-shadow:0 5px 14px rgba(58,30,24,.16);cursor:pointer;transition:background .2s,color .2s,transform .2s,box-shadow .2s}
.gallery-arrow svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.gallery-arrow:hover:not(:disabled){background:var(--red);color:#fff;transform:translateY(-2px);box-shadow:0 7px 18px rgba(128,22,29,.22)}
.gallery-arrow:disabled{border-color:#d8cdc1;background:transparent;color:#b8aea4;box-shadow:none;cursor:default}
.gallery{display:flex;gap:20px;width:min(100%,1100px);margin-inline:auto;overflow-x:auto;scroll-snap-type:x mandatory;scroll-padding-inline:0;overscroll-behavior-inline:contain;scrollbar-width:none;-webkit-overflow-scrolling:touch;cursor:grab}
.gallery.is-dragging{scroll-snap-type:none;cursor:grabbing;user-select:none}
.gallery::-webkit-scrollbar{display:none}
.gallery-card{flex:0 0 calc((100% - 20px)/2);align-self:start;margin:0;overflow:hidden;scroll-snap-align:center;background:#fff;box-shadow:0 12px 36px rgba(39,25,24,.11)}
.gallery-card__top{display:flex;justify-content:space-between;gap:10px;padding:13px 16px;background:#171313;color:#fff;font-family:"Barlow Condensed",sans-serif;font-size:13px;font-weight:800;letter-spacing:.16em}
.gallery-card img{width:100%;height:auto;aspect-ratio:4209/5960;object-fit:cover}
.gallery-card figcaption{display:flex;justify-content:space-between;gap:10px;align-items:center;padding:16px;color:var(--ink);font-family:"Barlow Condensed","Noto Sans JP",sans-serif;font-size:15px;font-weight:800;letter-spacing:.06em}
.gallery-card figcaption span{font-family:"Noto Sans JP",sans-serif;font-size:12px;letter-spacing:0}
.gallery-status{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;min-width:0;font-family:"Barlow Condensed",sans-serif;font-size:17px;font-weight:800;letter-spacing:.08em}
.gallery-dots{display:flex;align-items:center;justify-content:center;gap:7px;min-height:8px}
.gallery-dot{width:7px;height:7px;border-radius:50%;background:#c9bcb0;transition:background .2s,transform .2s}
.gallery-dot.is-active{background:var(--red);transform:scale(1.3)}
.gallery-hint{display:none}

.qr-section{display:grid;grid-template-columns:minmax(0,1fr) 280px;align-items:center;gap:70px;padding:40px max(20px,calc((100vw - 1100px)/2));background:#191314;color:#fff;scroll-margin-top:120px}
.qr-section .section-kicker{color:#e6bd82}
.qr-section h2{margin:0 0 16px;font-size:clamp(32px,4.5vw,55px);font-weight:900;letter-spacing:-.06em;line-height:1.4}
.qr-section h2 span{color:#efc37e}
.qr-section__content>p:not(.section-kicker){margin:0 0 12px;font-size:15px;line-height:1.85}
.qr-card{display:grid;justify-items:center;padding:18px 18px 20px;background:#faf5ec;color:var(--ink);box-shadow:9px 9px 0 #72302f;transition:transform .2s,box-shadow .2s}
.qr-card:hover{transform:translateY(-4px);box-shadow:9px 13px 0 #72302f}
.qr-card__label{justify-self:start;margin-bottom:10px;color:var(--red);font-family:"Barlow Condensed",sans-serif;font-size:15px;font-weight:900;letter-spacing:.19em}
.qr-card__image{padding:9px;background:#fff}
.qr-card__image img{width:216px;height:216px}
.qr-card__caption{margin-top:14px;font-size:13px;font-weight:900;letter-spacing:.04em}

.more-section{padding:24px 20px 36px;text-align:center}
.back-link{display:inline-flex;gap:20px;align-items:center;padding:12px 3px;border-bottom:2px solid var(--ink);font-size:13px;font-weight:800}
.back-link span{font-size:20px}
.copyright{padding:20px;background:#171313;color:#b3a8a2;font-size:10px;text-align:center}

@media(max-width:700px){
  .dechauheaderContents a{font-size:.8rem}
  .hero__inner{padding:22px 0 30px}
  .hero h1{margin-top:30px;font-size:clamp(51px,12vw,75px)}
  .hero__number{right:-.04em;bottom:-.31em;font-size:500px}
  .gallery-section{padding-top:24px;padding-bottom:44px}
  .gallery-section.is-static .gallery-nav{display:flex}
  .gallery-nav{gap:10px;margin-top:14px}
  .gallery-arrow{flex-basis:44px;width:44px;height:44px}
  .gallery-arrow svg{width:19px;height:19px}
  .gallery{gap:16px;width:100%;max-width:none;margin-right:0;padding-right:0}
  .gallery::after{content:"";flex:0 0 28px}
  .gallery-card{flex-basis:calc(100% - 44px)}
  .gallery-status{gap:4px;font-size:16px}
  .gallery-hint{display:block;margin:7px 0 0;color:#756960;font-size:11px;font-weight:700;letter-spacing:.1em;text-align:center}
  .qr-section{grid-template-columns:1fr;gap:24px;padding-top:36px;padding-bottom:42px}
  .qr-card{width:272px;justify-self:center}
}
@media(max-width:390px){
  .hero__brand{gap:8px}
  .hero__brand img{width:170px}
  .hero h1{font-size:49px}
  .gallery-card figcaption{font-size:13px}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition-duration:.01ms!important}}