/* ============================================================================
   Nippon Bike World — sections.css  (editorial composition)
   ============================================================================ */
.sec-head{ display:grid; grid-template-columns:auto 1fr; gap:1.4rem 2rem; align-items:baseline; margin-bottom:3.8rem; }
.sec-head__no{ font-family:var(--font-en); font-weight:600; font-size:1.1rem; color:var(--gold); }
.sec-head__t{ font-family:var(--font-jp); font-weight:800; font-size:clamp(1.8rem,4.5vw,3.2rem); }
.sec-head__x{ grid-column:2; color:var(--muted); max-width:56ch; }

/* Chapters (index band) */
.chapters{ border-top:1px solid var(--line); }
.chapter{ display:grid; grid-template-columns:auto 1fr auto; gap:2rem; align-items:center; padding:2.4rem 0; border-bottom:1px solid var(--line); transition:padding-inline .5s var(--ease), background .5s; }
.chapter:hover{ padding-inline:1.4rem; background:linear-gradient(90deg, rgba(201,162,75,.06), transparent); }
.chapter__no{ font-family:var(--font-en); font-weight:600; font-size:2.4rem; color:var(--gold-deep); }
.chapter__jp{ font-family:var(--font-jp); font-weight:800; font-size:2rem; }
.chapter__en{ font-family:var(--font-ui); font-size:.7rem; letter-spacing:.28em; color:var(--gold); margin-top:.3rem; }
.chapter__x{ color:var(--muted); font-size:.95rem; max-width:36ch; text-align:right; }

/* Collection (asymmetric magazine grid) */
.collection{ display:grid; grid-template-columns:1.15fr .95fr .95fr; gap:2.8rem 1.8rem; align-items:start; width:100%; }
.collection > *{ min-width:0; }

/* Feature spread */
.spread{ display:grid; grid-template-columns:1fr 1fr; gap:0; align-items:stretch; border:1px solid var(--line); width:100%; max-width:100%; }
.spread__img{ overflow:hidden; min-height:56vh; min-width:0; }
.spread__img img{ width:100%; height:100%; object-fit:cover; }
.spread__body{ padding:clamp(1.6rem,5vw,4.5rem); display:flex; flex-direction:column; justify-content:center; min-width:0; }
.spread__body h2{ font-family:var(--font-jp); font-weight:800; font-size:clamp(1.8rem,4vw,3rem); margin:1rem 0; }
.spread--rev .spread__img{ order:2; }

/* Stats */
.stats{ border-block:1px solid var(--line); }
.stats__grid{ display:grid; grid-template-columns:repeat(4,1fr); }
.stat{ text-align:center; padding:3rem 1rem; border-left:1px solid var(--line); }
.stat:first-child{ border-left:0; }
.stat__n{ font-family:var(--font-en); font-weight:600; font-size:clamp(2.6rem,6vw,4.4rem); color:var(--gold-2); }
.stat__l{ font-family:var(--font-ui); font-size:.74rem; letter-spacing:.16em; color:var(--muted); margin-top:.4rem; }

/* Horizontal showcase (signature scroll) */
.hscroll{
  overflow:hidden;
  width:100%;
  max-width:100%;
  position:relative;
}
.hscroll__track{
  display:flex;
  gap:2rem;
  width:max-content;
  padding-inline:clamp(1rem, 4vw, calc((100% - min(100%, var(--container))) / 2 + 1rem));
  will-change:transform;
}
.hslide{ flex:0 0 min(72vw,520px); max-width:520px; }
.hslide__img{ overflow:hidden; aspect-ratio:3/2; border:1px solid var(--line); }
.hslide__img img{ width:100%; height:100%; object-fit:cover; }
.hslide__cap{ display:flex; justify-content:space-between; margin-top:1rem; align-items:baseline; gap:.6rem; }
.hslide__cap h3{ font-family:var(--font-jp); font-size:1.4rem; }
.hslide__cap span{ font-family:var(--font-en); color:var(--gold-2); white-space:nowrap; }

/* Editorial pull-quote */
.pull{ text-align:center; max-width:900px; margin-inline:auto; }
.pull q{ font-family:var(--font-en); font-style:italic; font-size:clamp(1.6rem,4vw,2.8rem); line-height:1.4; quotes:none; }
.pull__who{ font-family:var(--font-ui); letter-spacing:.14em; color:var(--gold); margin-top:1.6rem; font-size:.82rem; }

/* Services rows */
.workshop{ display:grid; grid-template-columns:repeat(2,1fr); gap:0 4rem; }
.wrow{ display:grid; grid-template-columns:auto 1fr; gap:1.6rem; padding:2rem 0; border-bottom:1px solid var(--line); }
.wrow__no{ font-family:var(--font-en); color:var(--gold); font-size:1.3rem; }
.wrow h3{ font-family:var(--font-jp); font-size:1.4rem; margin-bottom:.4rem; }
.wrow p{ color:var(--muted); font-size:.94rem; }

/* FAQ */
.faq{ max-width:840px; margin-inline:auto; border-top:1px solid var(--line); }
.faq__item{ border-bottom:1px solid var(--line); }
.faq__q{ width:100%; display:flex; justify-content:space-between; gap:1rem; padding:1.6rem 0; text-align:left; font-family:var(--font-jp); font-weight:600; font-size:1.1rem; }
.faq__q .ico{ color:var(--gold); font-family:var(--font-en); transition:transform .4s; }
.faq__item.is-open .ico{ transform:rotate(45deg); }
.faq__a{ max-height:0; overflow:hidden; transition:max-height .5s var(--ease); }
.faq__a p{ padding-bottom:1.6rem; color:var(--muted); }

/* Banner (inner) */
.banner{ position:relative; padding:calc(76px + 5rem) 0 4rem; border-bottom:1px solid var(--line); }
.crumb{ font-family:var(--font-ui); font-size:.74rem; letter-spacing:.14em; color:var(--muted); margin-bottom:1.4rem; display:flex; gap:.6rem; }
.crumb a:hover{ color:var(--gold); }
.banner h1{ font-family:var(--font-jp); font-weight:800; font-size:clamp(2.4rem,6vw,4.6rem); }
.banner .en{ font-family:var(--font-en); font-style:italic; color:var(--gold-2); font-size:1.2rem; display:block; margin-top:.6rem; }
.banner p{ color:var(--muted); max-width:56ch; margin-top:1.2rem; }

/* Timeline */
.timeline{ border-top:1px solid var(--line); }
.tl{ display:grid; grid-template-columns:auto 1fr; gap:2rem; padding:2.2rem 0; border-bottom:1px solid var(--line); }
.tl__y{ font-family:var(--font-en); font-weight:600; font-size:1.8rem; color:var(--gold); }
.tl h4{ font-family:var(--font-jp); font-size:1.3rem; margin-bottom:.4rem; }
.tl p{ color:var(--muted); }

/* Values */
.values{ display:grid; grid-template-columns:repeat(3,1fr); gap:2rem; }

/* News magazine */
.mag{ display:grid; grid-template-columns:1.4fr 1fr; gap:0; border:1px solid var(--line); width:100%; max-width:100%; }
.mag__img{ overflow:hidden; min-height:52vh; min-width:0; }
.mag__img img{ width:100%; height:100%; object-fit:cover; }
.mag__body{ padding:clamp(1.4rem,4vw,3.4rem); display:flex; flex-direction:column; justify-content:center; min-width:0; }
.mag__meta{ font-family:var(--font-ui); font-size:.74rem; letter-spacing:.14em; color:var(--gold); }
.mag__body h2{ font-family:var(--font-jp); font-weight:800; font-size:clamp(1.6rem,3.5vw,2.6rem); margin:1rem 0; }
.filters{ display:flex; gap:1.6rem; flex-wrap:wrap; margin:3rem 0; border-bottom:1px solid var(--line); padding-bottom:1rem; }
.filter{ font-family:var(--font-ui); font-size:.82rem; letter-spacing:.12em; color:var(--muted); position:relative; padding-bottom:.4rem; }
.filter.is-active,.filter:hover{ color:var(--gold-2); }
.filter.is-active::after{ content:""; position:absolute; left:0; bottom:-1px; width:100%; height:1px; background:var(--gold); }
.articles{ display:grid; grid-template-columns:repeat(3,1fr); gap:2.4rem; }

/* Contact */
.contact-grid{ display:grid; grid-template-columns:1fr 1fr; gap:0; border:1px solid var(--line); }
.contact-grid > *{ padding:clamp(1.8rem,4vw,3.6rem); }
.contact-grid > *:first-child{ border-right:1px solid var(--line); }
.info-list dt{ font-family:var(--font-ui); font-size:.72rem; letter-spacing:.2em; text-transform:uppercase; color:var(--gold); margin-top:1.6rem; }
.info-list dd{ color:var(--ivory); margin-top:.3rem; }
.map{ border:1px solid var(--line); margin-top:2rem; }
.map iframe{ width:100%; height:280px; border:0; filter:grayscale(1) sepia(.3) brightness(.85); }