/* ============================================================
   products.css — 製品情報ページ固有スタイル
   ============================================================ */

/* ---------- Product Lineup (Lead) ---------- */
.prod-lead {
  padding: 140px 0 120px;
  background: var(--paper);
  position: relative; overflow: hidden;
}
.prod-lead .sec-watermark { top: 40px; right: -60px }
.prod-lead-grid {
  display: grid; grid-template-columns: 1fr 1.2fr; gap: 80px;
  align-items: start;
}
.prod-lead-body {
  font-size: 17px; line-height: 2.2; letter-spacing: .06em;
  color: var(--ink);
}
.prod-lead-body p { margin: 0 0 28px }
.prod-lead-body p:last-child { margin-bottom: 0 }

/* ---------- Product Categories Grid ---------- */
.prod-categories {
  padding: 140px 0;
  background: var(--ink);
  color: #fff;
  position: relative; overflow: hidden;
}
.prod-categories .sec-watermark { bottom: 30px; left: -40px; color: rgba(255,255,255,.04) }
.pcat-grid {
  margin-top: 56px;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.pcat-card {
  padding: 36px 28px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.03);
  transition: border-color .3s, background .3s;
}
.pcat-card:hover {
  border-color: rgba(255,255,255,.3);
  background: rgba(255,255,255,.06);
}
.pcat-card-num {
  font-family: var(--en); font-weight: 500; font-size: 32px;
  letter-spacing: .02em; color: rgba(255,255,255,.25);
  line-height: 1; margin-bottom: 16px;
}
.pcat-card-name {
  font-size: 17px; font-weight: 600; letter-spacing: .08em;
  color: #fff; margin-bottom: 14px;
}
.pcat-card-desc {
  font-size: 14px; line-height: 1.9; letter-spacing: .04em;
  color: rgba(255,255,255,.7);
  margin: 0 0 20px;
}
.pcat-card-more {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--mono); font-size: 11px; letter-spacing: .18em;
  color: rgba(255,255,255,.85);
  background: transparent;
  border: 1px solid rgba(255,255,255,.25);
  padding: 10px 16px;
  cursor: pointer;
  transition: background .25s, border-color .25s, color .25s;
}
.pcat-card-more:hover,
.pcat-card-more:focus-visible {
  background: rgba(255,255,255,.08);
  border-color: rgba(255,255,255,.6);
  color: #fff;
}
.pcat-card-more .arr {
  font-family: var(--en); font-size: 14px;
  transition: transform .25s;
}
.pcat-card-more:hover .arr { transform: translateX(4px) }

/* ---------- Product Detail Modal ---------- */
.pdetail-modal {
  position: fixed; inset: 0; z-index: 10000;
  display: none;
  align-items: center; justify-content: center;
  padding: 24px;
}
.pdetail-modal.is-open {
  display: flex;
}
.pdetail-backdrop {
  position: absolute; inset: 0;
  background: rgba(10, 20, 32, .82);
  cursor: pointer;
}
.pdetail-panel {
  position: relative; z-index: 1;
  width: 100%; max-width: 720px;
  max-height: 90vh;
  background: var(--paper);
  color: var(--ink);
  padding: 48px 48px 40px;
  overflow-y: auto;
  animation: pdetail-pop .25s cubic-bezier(0, 0, .2, 1) both;
}
.pdetail-panel { scroll-behavior: smooth }
@keyframes pdetail-pop {
  from { opacity: 0; transform: translateY(12px) }
}
.pdetail-close {
  position: sticky; top: 0;
  float: right;
  width: 40px; height: 40px;
  margin: -32px -32px 0 0;
  display: grid; place-items: center;
  background: var(--paper);
  border: 1px solid var(--line);
  color: var(--ink);
  cursor: pointer;
  transition: background .2s, border-color .2s;
  z-index: 2;
}
.pdetail-close:hover {
  background: var(--ink); color: #fff; border-color: var(--ink);
}
.pdetail-close svg { width: 16px; height: 16px }
.pdetail-num {
  font-family: var(--en); font-weight: 500; font-size: 32px;
  letter-spacing: .02em; color: var(--slate-2);
  line-height: 1; margin-bottom: 12px;
}
.pdetail-title {
  font-size: 22px; font-weight: 600; letter-spacing: .08em;
  color: var(--ink);
  margin: 0 0 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
}
.pdetail-heading {
  font-size: 14px; font-weight: 600; letter-spacing: .12em;
  color: var(--ink);
  margin: 28px 0 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
}
.pdetail-list {
  margin: 0 0 8px; padding: 0; list-style: none;
}
.pdetail-list li {
  font-size: 14px; line-height: 1.9; letter-spacing: .04em;
  color: var(--slate);
  padding: 6px 0 6px 16px;
  position: relative;
  border-bottom: 1px dashed var(--line);
}
.pdetail-list li:last-child { border-bottom: none }
.pdetail-list li::before {
  content: '';
  position: absolute; top: 15px; left: 0;
  width: 6px; height: 1px; background: var(--slate-2);
}
.pdetail-body p {
  font-size: 15px; line-height: 2; letter-spacing: .04em;
  color: var(--slate);
  margin: 0;
}
.pdetail-img {
  width: 100%;
  aspect-ratio: 4 / 3;
  background: var(--paper-2);
  display: grid; place-items: center;
  margin-bottom: 24px;
  border-radius: 4px;
  color: var(--slate-2);
  font-family: var(--mono); font-size: 12px; letter-spacing: .18em;
  text-align: center;
}
.pdetail-img small {
  font-family: var(--jp); font-size: 11px; letter-spacing: .1em;
  color: var(--slate-2); display: inline-block; margin-top: 6px;
}
.pdetail-body > img {
  width: 100%;
  max-height: 60vh;
  object-fit: contain;
  background: var(--paper-2);
  display: block;
  margin-bottom: 24px;
  border-radius: 4px;
}
/* Gallery for products with multiple photos */
.pdetail-gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 24px;
}
.pdetail-gallery.cols-3 { grid-template-columns: repeat(3, 1fr) }
.pdetail-gallery img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
  margin: 0;
  border-radius: 4px;
  cursor: zoom-in;
  transition: opacity .2s;
}
.pdetail-gallery img:hover { opacity: .88 }
/* Variant: contain-fit for taller / technical drawings (avoids crop) */
.pdetail-gallery.pdetail-gallery--contain img {
  aspect-ratio: auto;
  max-height: 60vh;
  object-fit: contain;
  background: var(--paper-2);
}
@media (max-width: 720px) {
  .pdetail-gallery,
  .pdetail-gallery.cols-3 { grid-template-columns: 1fr }
  .pdetail-gallery.pdetail-gallery--contain img { max-height: 50vh }
}
body.pdetail-open { overflow: hidden }

/* ---------- In-House Manufacturing ---------- */
.prod-mfg {
  padding: 140px 0;
  background: var(--paper-2);
  position: relative; overflow: hidden;
}
.prod-mfg .sec-watermark { top: 60px; right: -40px }
.pmfg-grid {
  margin-top: 56px;
  display: grid; grid-template-columns: 1fr 1fr; gap: 32px;
}
.pmfg-card {
  padding: 44px 36px;
  border: 1px solid var(--line);
  background: var(--paper);
  transition: border-color .3s;
}
.pmfg-card:hover { border-color: var(--ink) }
.pmfg-card-label {
  font-family: var(--mono); font-size: 11px; letter-spacing: .2em;
  color: var(--slate-2); text-transform: uppercase;
  margin-bottom: 18px;
}
.pmfg-card-title {
  font-size: 20px; font-weight: 600; letter-spacing: .08em;
  color: var(--ink); margin: 0 0 18px;
}
.pmfg-card-text {
  font-size: 15px; line-height: 2; letter-spacing: .04em;
  color: var(--slate); margin: 0 0 16px;
}
.pmfg-card-text:last-child { margin-bottom: 0 }
.pmfg-card-note {
  font-size: 13px; line-height: 1.8; letter-spacing: .04em;
  color: var(--slate-2);
  margin: 0;
}
.pmfg-card-note a {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color .3s;
}
.pmfg-card-note a:hover { border-color: var(--blue) }

/* ---------- Partner Brands ---------- */
.prod-partners {
  padding: 140px 0;
  background: var(--ink-deep);
  color: #fff;
  position: relative; overflow: hidden;
}
.prod-partners .sec-watermark { top: 60px; right: -30px; color: rgba(255,255,255,.04) }
.partner-grid {
  margin-top: 56px;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.partner-card {
  padding: 40px 32px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.03);
  transition: border-color .3s, background .3s;
}
.partner-card:hover {
  border-color: rgba(255,255,255,.3);
  background: rgba(255,255,255,.06);
}
.partner-card-num {
  font-family: var(--mono); font-size: 11px; letter-spacing: .2em;
  color: rgba(255,255,255,.45);
  margin-bottom: 18px;
}
.partner-card-name {
  font-size: 18px; font-weight: 600; letter-spacing: .06em;
  color: #fff; margin: 0 0 16px;
}
.partner-card-text {
  font-size: 14px; line-height: 2; letter-spacing: .04em;
  color: rgba(255,255,255,.75);
  margin: 0 0 14px;
}
.partner-card-text:last-child { margin-bottom: 0 }
.partner-card-year {
  font-family: var(--mono); font-size: 10px; letter-spacing: .18em;
  color: rgba(255,255,255,.45); margin-top: 16px;
}

/* ---------- Order Flow ---------- */
.prod-flow {
  padding: 140px 0;
  background: var(--paper);
  position: relative; overflow: hidden;
}
.prod-flow .sec-watermark { bottom: -20px; left: -40px }
.flow-grid {
  margin-top: 56px;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
  counter-reset: flow;
}
.flow-step {
  position: relative;
  padding: 36px 28px;
  border: 1px solid var(--line);
  background: var(--white);
  transition: border-color .3s;
}
.flow-step:hover { border-color: var(--ink) }
.flow-step-num {
  font-family: var(--en); font-weight: 500; font-size: 40px;
  letter-spacing: .02em; color: var(--ink);
  line-height: 1; margin-bottom: 18px;
}
.flow-step-title {
  font-size: 17px; font-weight: 600; letter-spacing: .08em;
  color: var(--ink); margin: 0 0 14px;
}
.flow-step-text {
  font-size: 14px; line-height: 1.9; letter-spacing: .04em;
  color: var(--slate); margin: 0;
}
/* Arrow between steps */
.flow-step:not(:last-child)::after {
  content: "→";
  position: absolute; right: -18px; top: 50%;
  transform: translateY(-50%);
  font-family: var(--en); font-size: 18px;
  color: var(--slate-2);
  z-index: 1;
}

/* ---------- CTA ---------- */
.prod-cta {
  padding: 120px 0;
  background: var(--ink);
  color: #fff;
  position: relative; overflow: hidden;
}
.prod-cta .sec-watermark { bottom: -30px; right: -30px; color: rgba(255,255,255,.04) }
.prod-cta-inner {
  display: grid; grid-template-columns: 1fr 1fr; gap: 80px;
  align-items: end;
}
.prod-cta-lead {
  font-size: 17px; line-height: 2; letter-spacing: .06em;
  color: rgba(255,255,255,.85);
  margin: 32px 0 0;
}
.prod-cta-card {
  padding: 40px;
  border: 1px solid rgba(255,255,255,.2);
  background: rgba(255,255,255,.03);
}
.prod-cta-card .label {
  font-family: var(--mono); font-size: 11px; letter-spacing: .2em;
  color: rgba(255,255,255,.6); margin-bottom: 14px;
  display: flex; align-items: center; gap: 14px;
}
.prod-cta-card .label::before {
  content: ""; width: 24px; height: 1px; background: rgba(255,255,255,.4);
}
.prod-cta-tel {
  font-family: var(--en); font-weight: 500; font-size: 48px;
  line-height: 1; letter-spacing: .02em;
  margin: 0 0 6px; display: block;
}
.prod-cta-hours {
  font-size: 13px; letter-spacing: .14em;
  color: rgba(255,255,255,.7); margin-bottom: 28px;
}
.prod-cta-actions { display: flex; gap: 14px; flex-wrap: wrap }

/* ============================================================
   Responsive — Products page
   ============================================================ */
@media (max-width: 1100px) {
  .prod-lead-grid { grid-template-columns: 1fr; gap: 48px }
  .pcat-grid { grid-template-columns: repeat(2, 1fr) }
  .pmfg-grid { grid-template-columns: 1fr }
  .partner-grid { grid-template-columns: 1fr }
  .flow-grid { grid-template-columns: repeat(2, 1fr) }
  .flow-step:not(:last-child)::after { display: none }
  .prod-cta-inner { grid-template-columns: 1fr; gap: 48px }
}
@media (max-width: 720px) {
  .prod-lead, .prod-categories, .prod-mfg,
  .prod-partners, .prod-flow, .prod-cta { padding: 72px 0 }
  .prod-lead-body { font-size: 15px; line-height: 2 }
  .pcat-grid { grid-template-columns: 1fr }
  .pcat-card { padding: 28px 22px }
  .pcat-card-num { font-size: 26px }
  .pcat-card-name { font-size: 16px }
  .pmfg-card { padding: 28px 22px }
  .pmfg-card-title { font-size: 17px }
  .partner-card { padding: 28px 22px }
  .partner-card-name { font-size: 16px }
  .flow-grid { grid-template-columns: 1fr }
  .flow-step { padding: 28px 22px }
  .flow-step-num { font-size: 32px }
  .flow-step-title { font-size: 16px }
  .prod-cta-tel { font-size: 32px }
  .prod-cta-card { padding: 28px 20px }
  .prod-cta-hours { font-size: 12px }
  .btn-fill { min-width: auto; width: 100%; font-size: 12px; padding: 18px 20px }
  .pdetail-panel { padding: 32px 24px 28px; max-height: 94vh }
  .pdetail-title { font-size: 18px; margin-bottom: 20px; padding-bottom: 16px }
  .pdetail-body p { font-size: 14px; line-height: 1.9 }
}