@charset "UTF-8";

/* ==========================================================================
   KYODO - Equipment page styles (list + detail)
   ========================================================================== */

/* ===== Equipment Hero ===== */
.eq-hero {
  position: relative;
  padding: calc(var(--header-height) + 6rem) 5% 5rem;
  border-bottom: 1px solid var(--c-border);
  overflow: hidden;
  background:
    radial-gradient(circle at 85% 15%, rgba(0,0,0,0.03), transparent 50%),
    var(--c-bg);
}

.eq-hero-title {
  font-size: clamp(2.2rem, 5vw, 4.5rem);
  font-weight: 300;
  line-height: 1.3;
  letter-spacing: -0.02em;
  margin: 1.5rem 0 2rem;
}
.eq-hero-title .serif {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
}

.eq-hero-desc {
  font-size: 1rem;
  color: var(--c-text-muted);
  line-height: 1.9;
  max-width: 720px;
  margin-bottom: 3rem;
}

/* ===== Hero Stats ===== */
.eq-stats {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0;
  margin-top: 3rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--c-border);
}

.eq-stat {
  flex: 1 1 180px;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 0 2rem;
}
.eq-stat:first-child { padding-left: 0; }
.eq-stat:last-child { padding-right: 0; }

.eq-stat-num {
  font-family: var(--font-en);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 300;
  letter-spacing: -0.02em;
  color: var(--c-text);
}

.eq-stat-label {
  font-family: var(--font-en);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  color: var(--c-text-muted);
}

.eq-stat-divider {
  width: 1px;
  align-self: stretch;
  background: var(--c-border);
}

@media (max-width: 640px) {
  .eq-stat-divider { display: none; }
  .eq-stat {
    padding: 1rem 0;
    border-bottom: 1px solid var(--c-border);
  }
  .eq-stat:last-child { border-bottom: 0; }
}

/* ===== Filter Bar ===== */
.eq-filter {
  position: sticky;
  top: var(--header-height);
  z-index: 50;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--c-border);
  padding: 1rem 0;
  transition: top 0.5s cubic-bezier(0.25, 1, 0.5, 1);
}

.header.is-hidden ~ .eq-filter {
  top: 0;
}

.eq-filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.eq-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: 999px;
  font-size: 0.85rem;
  font-family: inherit;
  color: var(--c-text);
  cursor: pointer;
  transition: background 0.3s var(--easing), color 0.3s var(--easing),
              border-color 0.3s var(--easing), transform 0.3s var(--easing);
}
.eq-chip:hover {
  border-color: var(--c-accent);
  transform: translateY(-2px);
}
.eq-chip.is-active {
  background: var(--c-accent);
  color: var(--c-bg);
  border-color: var(--c-accent);
}
.eq-chip-count {
  font-family: var(--font-en);
  font-size: 0.7rem;
  padding: 0.1rem 0.45rem;
  background: rgba(0,0,0,0.06);
  border-radius: 999px;
}
.eq-chip.is-active .eq-chip-count {
  background: rgba(255,255,255,0.18);
  color: var(--c-bg);
}

/* ===== Equipment Category ===== */
.eq-main {
  padding-top: 4rem;
  padding-bottom: 4rem;
}

.eq-category {
  margin-bottom: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--c-border);
}
.eq-category:last-child {
  border-bottom: 0;
  margin-bottom: 0;
}
.eq-category.is-hidden { display: none; }

.eq-category-head {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 1.5rem;
  align-items: start;
  padding: 1.5rem 0 2rem;
}

.eq-category-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  background: linear-gradient(145deg, #222222, #000000);
  box-shadow: 0 4px 10px rgba(255, 255, 255, 0.02), inset 0 1px 0 rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--c-text);
  transition: transform 0.4s var(--easing), box-shadow 0.4s var(--easing);
}
.eq-category-icon svg { width: 30px; height: 30px; }

.eq-category-head.is-highlight .eq-category-icon {
  background: linear-gradient(135deg, var(--c-accent), #222);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.15), inset 0 1px 0 rgba(255, 255, 255, 0.1);
  color: var(--c-bg);
  border: none;
}

.eq-category-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
  font-family: var(--font-en);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  color: var(--c-text-muted);
}
.eq-category-num { color: var(--c-text); font-weight: 500; }
.eq-category-tag::before { content: '—'; margin-right: 0.25rem; }
.eq-category-pill {
  display: inline-block;
  padding: 0.15rem 0.6rem;
  background: var(--c-accent);
  color: var(--c-bg);
  border-radius: 999px;
  font-family: var(--font-ja);
  font-size: 0.65rem;
  letter-spacing: 0.05em;
}

.eq-category-label {
  font-size: clamp(1.4rem, 2.5vw, 1.85rem);
  font-weight: 500;
  margin-bottom: 0.5rem;
  letter-spacing: -0.01em;
}

.eq-category-summary {
  font-size: 0.9rem;
  color: var(--c-text-muted);
  line-height: 1.8;
  max-width: 640px;
}

@media (max-width: 768px) {
  .eq-category-head { grid-template-columns: 48px 1fr; }
  .eq-category-icon { width: 42px; height: 42px; }
  .eq-category-icon svg { width: 22px; height: 22px; }
}

/* ===== Equipment Items (clickable cards) ===== */
.eq-item-list {
  display: grid;
  gap: 0.75rem;
  padding-left: 80px;
}

.eq-item {
  position: relative;
  display: block;
  padding: 1.4rem 1.6rem;
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: 12px;
  color: inherit;
  text-decoration: none;
  overflow: hidden;
  transition:
    border-color 0.4s var(--easing),
    transform 0.4s var(--easing),
    box-shadow 0.4s var(--easing),
    background 0.4s var(--easing);
}
.eq-item::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.05), transparent);
  opacity: 0;
  transition: opacity 0.4s var(--easing);
}
.eq-item::after {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 4px;
  background: var(--c-accent);
  transform: scaleY(0);
  transform-origin: center;
  border-radius: 4px 0 0 4px;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.eq-item:hover {
  border-color: #ffffff;
  background: #111111;
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(255, 255, 255, 0.04), 0 4px 12px rgba(255, 255, 255, 0.02);
}
.eq-item:hover::before { opacity: 1; }
.eq-item:hover::after { transform: scaleY(1); }

.eq-item-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
}

.eq-item-name {
  font-size: 1.05rem;
  font-weight: 500;
  letter-spacing: -0.01em;
}
.eq-item-name small {
  font-weight: 400;
  font-size: 0.78em;
  color: var(--c-text-muted);
  margin-left: 0.5rem;
}

.eq-item-arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--c-bg-alt);
  color: var(--c-text);
  transition: background 0.3s var(--easing), color 0.3s var(--easing), transform 0.3s var(--easing);
  flex-shrink: 0;
}
.eq-item:hover .eq-item-arrow {
  background: var(--c-accent);
  color: var(--c-bg);
  transform: translateX(2px);
}

.eq-item-use {
  margin-top: 0.5rem;
  font-size: 0.88rem;
  color: var(--c-text-muted);
  line-height: 1.75;
}

.eq-item-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.85rem;
  padding-top: 0.85rem;
  border-top: 1px dashed var(--c-border);
}

.eq-item-tag {
  display: inline-block;
  padding: 0.25rem 0.7rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 6px;
  font-family: var(--font-en);
  font-size: 0.7rem;
  color: var(--c-text-muted);
  letter-spacing: 0.04em;
  transition: background 0.3s var(--easing), border-color 0.3s var(--easing);
}
.eq-item:hover .eq-item-tag {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.3);
}

@media (max-width: 768px) {
  .eq-item-list { padding-left: 0; }
}

/* ===== CTA ===== */
.eq-cta {
  text-align: center;
  padding-bottom: 8rem;
}

/* ==========================================================================
   Equipment Detail Page
   ========================================================================== */

.eq-detail-hero {
  position: relative;
  padding: calc(var(--header-height) + 4rem) 5% 4rem;
  border-bottom: 1px solid var(--c-border);
  background: var(--c-bg);
}

.eq-detail-head {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 2rem;
  align-items: start;
  margin: 1.5rem 0 2rem;
}

.eq-detail-icon {
  width: 72px;
  height: 72px;
  border-radius: 18px;
  background: var(--c-bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--c-text);
}
.eq-detail-icon svg { width: 36px; height: 36px; }

.eq-detail-cat {
  display: inline-block;
  font-family: var(--font-en);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--c-text-muted);
  margin-bottom: 0.75rem;
  text-transform: uppercase;
}

.eq-detail-title {
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.25;
  margin-bottom: 0.5rem;
}

.eq-detail-sub {
  font-size: 0.95rem;
  color: var(--c-text-muted);
  font-family: var(--font-serif);
  font-style: italic;
}

.eq-detail-use {
  font-size: 1rem;
  color: var(--c-text);
  line-height: 1.9;
  max-width: 760px;
  padding-top: 2rem;
  border-top: 1px solid var(--c-border);
}

@media (max-width: 640px) {
  .eq-detail-head { grid-template-columns: 56px 1fr; gap: 1.25rem; }
  .eq-detail-icon { width: 52px; height: 52px; border-radius: 14px; }
  .eq-detail-icon svg { width: 26px; height: 26px; }
}

/* ===== Detail Body Grid ===== */
.eq-detail-body { padding-top: 5rem; padding-bottom: 5rem; }

.eq-detail-grid {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 3rem;
  align-items: start;
}

.eq-block {
  margin-bottom: 3.5rem;
}
.eq-block:last-child { margin-bottom: 0; }

.eq-block-title {
  font-size: 1.4rem;
  font-weight: 500;
  margin-bottom: 1.5rem;
  letter-spacing: -0.01em;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}
.eq-block-title .en {
  font-family: var(--font-en);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  font-weight: 400;
  color: var(--c-text-muted);
  text-transform: uppercase;
}

.eq-block-text {
  font-size: 0.98rem;
  line-height: 2;
  color: var(--c-text);
}

/* Features list */
.eq-features-list {
  display: grid;
  gap: 0.75rem;
}
.eq-features-list li {
  display: grid;
  grid-template-columns: 24px 1fr;
  gap: 0.75rem;
  align-items: start;
  padding: 1rem 1.25rem;
  background: var(--c-bg-alt);
  border-radius: 10px;
  font-size: 0.95rem;
  line-height: 1.8;
  transition: background 0.3s var(--easing), transform 0.3s var(--easing);
}
.eq-features-list li:hover {
  background: #1a1a1a;
  transform: translateX(4px);
}
.eq-bullet {
  color: var(--c-accent);
  font-size: 0.7rem;
  padding-top: 0.55rem;
}

/* Use cases list */
.eq-usecases-list {
  display: grid;
  gap: 0;
  counter-reset: usecase;
}
.eq-usecases-list li {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 1rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--c-border);
  align-items: baseline;
  transition: padding 0.3s var(--easing);
}
.eq-usecases-list li:hover { padding-left: 0.5rem; }
.eq-usecases-list li:last-child { border-bottom: 0; }

.eq-uc-num {
  font-family: var(--font-en);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  color: var(--c-text-muted);
  font-weight: 400;
}
.eq-uc-text {
  font-size: 0.98rem;
  line-height: 1.85;
}

/* ===== Spec Card (sticky aside) ===== */
.eq-spec-card {
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: 16px;
  padding: 2rem 1.75rem;
  position: sticky;
  top: calc(var(--header-height) + 32px);
}

.eq-spec-label {
  display: block;
  font-family: var(--font-en);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--c-text-muted);
  margin-bottom: 0.5rem;
}

.eq-spec-title {
  font-size: 1.1rem;
  font-weight: 500;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--c-border);
}

.eq-spec-list {
  display: grid;
  gap: 0.85rem;
}
.eq-spec-list dt {
  font-family: var(--font-en);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--c-text-muted);
  text-transform: uppercase;
  margin-top: 0.6rem;
  padding-top: 0.6rem;
  border-top: 1px dashed var(--c-border);
}
.eq-spec-list dt:first-child {
  margin-top: 0;
  padding-top: 0;
  border-top: 0;
}
.eq-spec-list dd {
  font-size: 0.92rem;
  color: var(--c-text);
  line-height: 1.6;
  margin-top: 0.25rem;
}

@media (max-width: 960px) {
  .eq-detail-grid { grid-template-columns: 1fr; gap: 2rem; }
  .eq-spec-card { position: static; }
}

/* ===== Related ===== */
.eq-related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
  margin-top: var(--space-lg);
}

.eq-related-card {
  display: grid;
  grid-template-columns: 48px 1fr 20px;
  gap: 1.25rem;
  align-items: center;
  padding: 1.5rem;
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: 12px;
  color: inherit;
  text-decoration: none;
  transition: border-color 0.3s var(--easing), transform 0.3s var(--easing), box-shadow 0.3s var(--easing);
}
.eq-related-card:hover {
  border-color: #ffffff;
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(255, 255, 255, 0.05);
  background: #111111;
}

.eq-related-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--c-bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--c-text);
  flex-shrink: 0;
}
.eq-related-icon svg { width: 22px; height: 22px; }

.eq-related-cat {
  font-family: var(--font-en);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  color: var(--c-text-muted);
  text-transform: uppercase;
}
.eq-related-name {
  font-size: 1rem;
  font-weight: 500;
  margin: 0.25rem 0;
}
.eq-related-body small {
  font-size: 0.8em;
  color: var(--c-text-muted);
}
.eq-related-body p {
  font-size: 0.82rem;
  color: var(--c-text-muted);
  margin-top: 0.4rem;
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.eq-related-arrow {
  font-family: var(--font-en);
  font-size: 1.1rem;
  color: var(--c-text);
  transition: transform 0.3s var(--easing);
}
.eq-related-card:hover .eq-related-arrow { transform: translateX(4px); }