/* ============================================================
   T-BOLAN LAST LIVE — Official Goods Site
   Color Palette: Black #0a0a0a | Red #c8102e | Gold #c9a84c | White #f5f5f5
   ============================================================ */

/* ---- Reset & Base ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --black:    #0a0a0a;
  --black2:   #111111;
  --black3:   #1a1a1a;
  --red:      #c8102e;
  --red-dark: #8b0c20;
  --gold:     #c9a84c;
  --gold-lt:  #e8c97a;
  --white:    #f5f5f5;
  --gray:     #888888;
  --border:   rgba(201,168,76,0.3);
  --font-en:  'Oswald', sans-serif;
  --font-jp:  'Noto Serif JP', serif;
  --font-disp:'Playfair Display', serif;
  --trans:    0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  background: var(--black);
  color: var(--white);
  font-family: var(--font-jp);
  line-height: 1.7;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ---- Scrollbar ---- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--black); }
::-webkit-scrollbar-thumb { background: var(--red); border-radius: 3px; }

/* ============================================================
   NAVIGATION
   ============================================================ */
#main-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(10,10,10,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: background var(--trans);
}

.nav-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}
.nav-logo-main {
  font-family: var(--font-en);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.15em;
}
.nav-logo-sub {
  font-family: var(--font-en);
  font-size: 0.6rem;
  font-weight: 400;
  color: var(--red);
  letter-spacing: 0.35em;
}

.nav-links {
  display: flex;
  gap: 2.5rem;
  align-items: center;
}
.nav-links a {
  font-family: var(--font-en);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  color: var(--gray);
  transition: color var(--trans);
  position: relative;
  padding-bottom: 4px;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 1px;
  background: var(--red);
  transition: width var(--trans);
}
.nav-links a:hover { color: var(--white); }
.nav-links a:hover::after { width: 100%; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 26px; height: 2px;
  background: var(--white);
  transition: var(--trans);
}

/* ============================================================
   HERO
   ============================================================ */
#hero {
  position: relative;
  display: block;
  padding: 100px 5% 0;
  overflow: hidden;
  background: var(--black);
}

.hero-bg-overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 80% at 70% 50%, rgba(200,16,46,0.08) 0%, transparent 70%),
    radial-gradient(ellipse 40% 60% at 10% 80%, rgba(201,168,76,0.05) 0%, transparent 60%),
    linear-gradient(135deg, #0a0a0a 0%, #130a0a 100%);
  z-index: 0;
}

.hero-particles {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 640px;
  padding-bottom: 2.5rem;
}

.hero-series {
  font-family: var(--font-en);
  font-size: 0.8rem;
  letter-spacing: 0.25em;
  color: var(--gold);
  margin-bottom: 1.2rem;
  text-transform: uppercase;
}

.hero-title {
  display: flex;
  flex-direction: column;
  line-height: 1;
  margin-bottom: 0.5rem;
}
.hero-title-brand {
  font-family: var(--font-en);
  font-size: clamp(3.5rem, 8vw, 7rem);
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.08em;
  text-shadow: 0 0 40px rgba(200,16,46,0.3);
}
.hero-title-event {
  font-family: var(--font-en);
  font-size: clamp(1.8rem, 4vw, 3.2rem);
  font-weight: 300;
  color: var(--red);
  letter-spacing: 0.3em;
  margin-top: 0.2rem;
}

.hero-subtitle {
  font-family: var(--font-en);
  font-size: 0.75rem;
  letter-spacing: 0.5em;
  color: var(--gold);
  margin-bottom: 1rem;
  border-left: 2px solid var(--red);
  padding-left: 1rem;
}

/* Live info bar */
.hero-liveinfo {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  margin-bottom: 0;
  background: rgba(200,16,46,0.08);
  border: 1px solid rgba(200,16,46,0.25);
  border-left: 3px solid var(--red);
  padding: 0.55rem 1rem;
  width: fit-content;
}
.hero-liveinfo-date,
.hero-liveinfo-venue {
  font-family: var(--font-en);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  color: var(--white);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.hero-liveinfo-date i { color: var(--red); }
.hero-liveinfo-venue i { color: var(--gold); }
.hero-liveinfo-sep {
  color: rgba(255,255,255,0.2);
  font-size: 0.8rem;
}

.hero-desc {
  font-family: var(--font-jp);
  font-size: 0.9rem;
  color: rgba(245,245,245,0.75);
  line-height: 1.9;
  margin-bottom: 1.8rem;
  max-width: 480px;
  list-style: none;
}
.hero-desc li {
  display: block;
}
/* PC時はsp-onlyを非表示 */
.hero-desc .sp-only { display: none !important; }
.hero-desc .pc-only { display: block !important; }

.hero-tags {
  display: grid;
  grid-template-columns: repeat(2, auto);
  justify-content: start;
  gap: 0.5rem;
  margin-bottom: 2.5rem;
}
.hero-tag {
  font-family: var(--font-jp);
  font-size: 0.72rem;
  color: var(--gold);
  border: 1px solid var(--border);
  padding: 4px 12px;
  border-radius: 2px;
}

.hero-cta {
  display: inline-block;
  font-family: var(--font-en);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.3em;
  color: var(--white);
  background: var(--red);
  padding: 14px 40px;
  border: none;
  position: relative;
  overflow: hidden;
  transition: var(--trans);
}
.hero-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.1);
  transform: translateX(-100%);
  transition: transform var(--trans);
}
.hero-cta:hover::before { transform: translateX(0); }
.hero-cta:hover { box-shadow: 0 8px 30px rgba(200,16,46,0.5); transform: translateY(-2px); }

.hero-image-wrap {
  position: relative;
  z-index: 1;
  flex: 0 0 auto;
  width: min(45%, 560px);
  display: flex;
  align-items: flex-end;
  justify-content: flex-end;
}
.hero-visual {
  width: 100%;
  height: auto;
  object-fit: cover;
  opacity: 0.85;
  mask-image: linear-gradient(to left, black 50%, transparent 100%);
  -webkit-mask-image: linear-gradient(to left, black 50%, transparent 100%);
}

.hero-visual-svg {
  width: 100%;
  height: auto;
  max-height: 600px;
  mask-image: linear-gradient(to left, black 55%, transparent 100%);
  -webkit-mask-image: linear-gradient(to left, black 55%, transparent 100%);
  filter: drop-shadow(0 0 40px rgba(200,16,46,0.25));
  animation: heroSvgFloat 6s ease-in-out infinite;
}

.hero-visual-img {
  width: 100%;
  height: auto;
  max-height: 620px;
  object-fit: contain;
  display: block;
  filter: drop-shadow(0 0 40px rgba(200,16,46,0.3));
  animation: heroSvgFloat 6s ease-in-out infinite;
}

@keyframes heroSvgFloat {
  0%, 100% { transform: translateY(0px); }
  50%       { transform: translateY(-12px); }
}

/* ============================================================
   SECTIONS — Common
   ============================================================ */
section {
  position: relative;
  padding: 100px 0;
}

.section-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section-label {
  font-family: var(--font-en);
  font-size: 0.7rem;
  letter-spacing: 0.45em;
  color: var(--red);
  text-transform: uppercase;
  margin-bottom: 0.8rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}
.section-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(to right, var(--red), transparent);
  max-width: 200px;
}
.section-label.gold { color: var(--gold); }
.section-label.gold::after { background: linear-gradient(to right, var(--gold), transparent); }

.section-title {
  font-family: var(--font-disp);
  font-size: clamp(1.6rem, 3vw, 2.6rem);
  font-weight: 700;
  color: var(--white);
  margin-bottom: 3rem;
  line-height: 1.3;
}

/* ============================================================
   CONCEPT
   ============================================================ */
#concept {
  background: #000;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 0;
}
.concept-img-wrap {
  width: 100%;
  max-width: 680px;
  margin: 0 auto;
  display: block;
}
.concept-img {
  width: 100%;
  height: auto;
  display: block;
}

.concept-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-bottom: 4rem;
}

.concept-card {
  background: var(--black3);
  border: 1px solid var(--border);
  padding: 2.5rem 2rem;
  text-align: center;
  position: relative;
  overflow: hidden;
  transition: var(--trans);
}
.concept-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(to right, var(--red), var(--gold));
  transform: scaleX(0);
  transition: transform var(--trans);
}
.concept-card:hover::before { transform: scaleX(1); }
.concept-card:hover { transform: translateY(-6px); box-shadow: 0 20px 60px rgba(200,16,46,0.15); }

.concept-icon {
  font-size: 2rem;
  color: var(--gold);
  margin-bottom: 1.2rem;
}
.concept-heading {
  font-family: var(--font-en);
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: 0.3em;
  color: var(--white);
  margin-bottom: 1rem;
}
.concept-text {
  font-family: var(--font-jp);
  font-size: 0.88rem;
  color: rgba(245,245,245,0.7);
  line-height: 1.8;
}

.concept-catch {
  font-family: var(--font-jp);
  font-size: clamp(1.1rem, 2.5vw, 1.6rem);
  font-weight: 500;
  color: var(--white);
  text-align: center;
  line-height: 1.9;
  margin-bottom: 1rem;
  padding: 2rem;
  border-left: 3px solid var(--red);
  border-right: 3px solid var(--red);
  background: rgba(200,16,46,0.04);
}
.concept-catch::before { content: '\201C'; color: var(--red); font-size: 2rem; }
.concept-catch::after  { content: '\201D'; color: var(--red); font-size: 2rem; }
.concept-catch-line {
  display: block;
}

.concept-sig {
  font-family: var(--font-en);
  font-size: 0.8rem;
  letter-spacing: 0.3em;
  color: var(--gold);
  text-align: center;
}

/* ============================================================
   GOODS
   ============================================================ */
#goods { background: var(--black); }

.goods-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.8rem;
}

.goods-card {
  background: var(--black2);
  border: 1px solid rgba(255,255,255,0.08);
  position: relative;
  overflow: hidden;
  transition: var(--trans);
  display: flex;
  flex-direction: column;
}
.goods-card {
  cursor: pointer;
}
.goods-card:hover {
  border-color: var(--red);
  transform: translateY(-8px);
  box-shadow: 0 24px 60px rgba(200,16,46,0.2);
}
/* カード画像エリアに「VIEW」ラベルを出す */
.goods-card-img-wrap::before {
  content: none;
}

.goods-card-badge {
  position: absolute;
  top: 14px; right: 14px;
  z-index: 2;
  font-family: var(--font-en);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  color: var(--black);
  background: var(--gold);
  padding: 3px 10px;
  font-weight: 700;
}

.goods-card-img-wrap {
  background: #000000;
  height: 240px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

/* 実画像スタイル */
.goods-card-photo {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  display: block;
  padding: 16px;
  transition: transform 0.5s ease;
  background: transparent;
}
.goods-card:hover .goods-card-photo {
  transform: scale(1.06);
}
.goods-card-img-wrap::after {
  content: none;
}

.goods-card-img-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%; height: 100%;
  font-size: 4rem;
  color: rgba(201,168,76,0.2);
  transition: var(--trans);
}

/* ヒーローバナー画像 */
.hero-banner-img {
  margin-top: 2rem;
  width: 100%;
  max-width: 480px;
  border: 1px solid rgba(201,168,76,0.2);
  overflow: hidden;
}
.hero-banner-img img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

/* プレミアム画像 */
.premium-photo {
  width: 100%;
  max-width: 200px;
  height: 200px;
  object-fit: cover;
  object-position: center;
  display: block;
  margin: 0 auto;
  border: 1px solid rgba(201,168,76,0.2);
}

/* ステーショナリー画像 */
.stationery-photo {
  width: 100%;
  max-width: 120px;
  height: 100px;
  object-fit: contain;
  object-position: center;
  display: block;
  margin: 0 auto;
}
.goods-card-img-placeholder svg {
  display: block;
  transition: transform var(--trans), filter var(--trans);
  filter: drop-shadow(0 4px 16px rgba(200,16,46,0.2));
}
.goods-card:hover .goods-card-img-placeholder svg {
  transform: scale(1.06) translateY(-4px);
  filter: drop-shadow(0 8px 24px rgba(200,16,46,0.4));
}
.goods-card:hover .goods-card-img-placeholder {
  color: rgba(201,168,76,0.4);
}

.goods-card-body {
  padding: 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.goods-card-category {
  font-family: var(--font-en);
  font-size: 0.68rem;
  letter-spacing: 0.3em;
  color: var(--red);
  text-transform: uppercase;
}
.goods-card-name {
  font-family: var(--font-en);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.05em;
}
.goods-card-desc {
  font-family: var(--font-jp);
  font-size: 0.82rem;
  color: rgba(245,245,245,0.65);
  line-height: 1.75;
}
/* Spec list */
.goods-card-spec {
  list-style: none;
  margin: 0.6rem 0 0;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  border-top: 1px solid rgba(201,168,76,0.12);
  padding-top: 0.6rem;
}
.goods-card-spec li {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  font-family: var(--font-jp);
  font-size: 0.72rem;
  color: rgba(245,245,245,0.55);
}
.goods-card-spec li span {
  font-family: var(--font-en);
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  color: var(--gold);
  flex: 0 0 58px;
  text-transform: uppercase;
}
.goods-card-footer {
  margin-top: 0.8rem;
}
.goods-btn {
  width: 100%;
  font-family: var(--font-en);
  font-size: 0.72rem;
  letter-spacing: 0.25em;
  font-weight: 600;
  color: var(--white);
  background: transparent;
  border: 1px solid rgba(255,255,255,0.2);
  padding: 11px 10px;
  cursor: pointer;
  transition: var(--trans);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}
.goods-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--red);
  transform: translateX(-100%);
  transition: transform 0.35s cubic-bezier(0.22,1,0.36,1);
  z-index: 0;
}
.goods-btn span, .goods-btn i {
  position: relative;
  z-index: 1;
}
.goods-btn:hover::before {
  transform: translateX(0);
}
.goods-btn:hover {
  border-color: var(--red);
  box-shadow: 0 6px 20px rgba(200,16,46,0.3);
}

/* ============================================================
   PREMIUM
   ============================================================ */
#premium {
  background: var(--black2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}

.premium-bg-overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 100% at 50% 0%, rgba(201,168,76,0.06) 0%, transparent 70%);
  pointer-events: none;
}

.premium-intro {
  font-family: var(--font-jp);
  font-size: 0.9rem;
  color: var(--gold);
  margin-top: -1.5rem;
  margin-bottom: 3rem;
  letter-spacing: 0.05em;
}

.premium-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-bottom: 2.5rem;
}

.premium-card {
  background: var(--black3);
  border: 1px solid var(--border);
  padding: 2.5rem 2rem;
  text-align: center;
  position: relative;
  transition: var(--trans);
}
.premium-card:hover {
  border-color: var(--gold);
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(201,168,76,0.12);
}

.premium-card-num {
  position: absolute;
  top: 1.2rem; left: 1.5rem;
  font-family: var(--font-en);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  color: var(--gold);
  opacity: 0.5;
}

.premium-icon-wrap {
  font-size: 2.4rem;
  color: var(--gold);
  margin-bottom: 1.5rem;
  opacity: 0.8;
}

.premium-name {
  font-family: var(--font-jp);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 0.8rem;
}
.premium-desc {
  font-family: var(--font-jp);
  font-size: 0.82rem;
  color: rgba(245,245,245,0.65);
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

.premium-badge {
  font-family: var(--font-jp);
  font-size: 0.7rem;
  color: var(--gold);
  border: 1px solid var(--gold);
  padding: 3px 12px;
  display: inline-block;
}

.premium-note {
  background: rgba(201,168,76,0.06);
  border: 1px solid var(--border);
  border-left: 3px solid var(--gold);
  padding: 1rem 1.5rem;
  font-family: var(--font-jp);
  font-size: 0.85rem;
  color: var(--gold);
  display: flex;
  gap: 0.8rem;
  align-items: center;
}

/* ============================================================
   STATIONERY
   ============================================================ */
#stationery { background: var(--black); }

.stationery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.stationery-card {
  background: var(--black2);
  border: 1px solid rgba(255,255,255,0.08);
  padding: 2rem 1.5rem;
  text-align: center;
  transition: var(--trans);
  position: relative;
  overflow: hidden;
}
.stationery-card::before {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(to right, var(--red), var(--gold));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--trans);
}
.stationery-card:hover::before { transform: scaleX(1); }
.stationery-card:hover {
  border-color: rgba(200,16,46,0.4);
  transform: translateY(-5px);
}

.stationery-icon {
  font-size: 2rem;
  color: var(--red);
  margin-bottom: 1.2rem;
  opacity: 0.8;
  transition: var(--trans);
}
.stationery-card:hover .stationery-icon { opacity: 1; transform: scale(1.1); }

.stationery-name {
  font-family: var(--font-jp);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 0.8rem;
  line-height: 1.5;
}
.stationery-desc {
  font-family: var(--font-jp);
  font-size: 0.78rem;
  color: rgba(245,245,245,0.6);
  line-height: 1.75;
}

/* ============================================================
   SALES CHANNEL
   ============================================================ */
#sales {
  background: var(--black2);
  border-top: 1px solid var(--border);
}

.sales-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.sales-card {
  background: var(--black3);
  border: 1px solid rgba(255,255,255,0.06);
  padding: 2rem 1.5rem;
  text-align: center;
  transition: var(--trans);
}
.sales-card:hover {
  border-color: var(--red);
  background: rgba(200,16,46,0.05);
}

.sales-icon {
  font-size: 2rem;
  color: var(--red);
  margin-bottom: 1rem;
}
.sales-name {
  font-family: var(--font-jp);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 0.7rem;
  line-height: 1.5;
}
.sales-desc {
  font-family: var(--font-jp);
  font-size: 0.78rem;
  color: rgba(245,245,245,0.6);
  line-height: 1.75;
}

/* ============================================================
   FOOTER
   ============================================================ */
#main-footer {
  background: #050505;
  border-top: 1px solid var(--border);
  padding: 4rem 2rem;
  text-align: center;
}

.footer-inner {
  max-width: 600px;
  margin: 0 auto;
}

.footer-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 1.2rem;
}
.footer-logo-main {
  font-family: var(--font-en);
  font-size: 2rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.2em;
}
.footer-logo-sub {
  font-family: var(--font-en);
  font-size: 0.7rem;
  font-weight: 300;
  color: var(--red);
  letter-spacing: 0.5em;
}
.footer-collab {
  font-family: var(--font-en);
  font-size: 0.75rem;
  letter-spacing: 0.25em;
  color: var(--gold);
  margin-bottom: 0.5rem;
}
.footer-copy {
  font-family: var(--font-jp);
  font-size: 0.78rem;
  color: var(--gray);
  margin-bottom: 2rem;
}
.footer-divider {
  width: 60px;
  height: 1px;
  background: var(--border);
  margin: 0 auto 1.5rem;
}
.footer-legal {
  font-family: var(--font-en);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  color: rgba(136,136,136,0.6);
}

/* ============================================================
   MODAL
   ============================================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(0,0,0,0.88);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--trans);
  backdrop-filter: blur(6px);
}
.modal-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.modal-box {
  background: var(--black2);
  border: 1px solid var(--border);
  padding: 3rem 2.5rem;
  max-width: 480px;
  width: 100%;
  position: relative;
  transform: translateY(30px);
  transition: transform var(--trans);
  text-align: center;
}
.modal-overlay.active .modal-box {
  transform: translateY(0);
}

.modal-close {
  position: absolute;
  top: 1rem; right: 1rem;
  background: none;
  border: 1px solid rgba(255,255,255,0.15);
  color: var(--white);
  width: 34px; height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 0.9rem;
  transition: var(--trans);
}
.modal-close:hover { background: var(--red); border-color: var(--red); }

.modal-icon {
  font-size: 3rem;
  color: var(--gold);
  margin-bottom: 1rem;
  opacity: 0.8;
}
.modal-category {
  font-family: var(--font-en);
  font-size: 0.68rem;
  letter-spacing: 0.35em;
  color: var(--red);
  margin-bottom: 0.8rem;
}
.modal-name {
  font-family: var(--font-en);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 1.2rem;
}
.modal-desc {
  font-family: var(--font-jp);
  font-size: 0.88rem;
  color: rgba(245,245,245,0.7);
  line-height: 1.9;
  margin-bottom: 1.5rem;
}
.modal-icon svg {
  width: 120px;
  height: auto;
  max-height: 140px;
  display: block;
  margin: 0 auto;
}

/* ---- Detail Table ---- */
.modal-detail {
  background: rgba(201,168,76,0.04);
  border: 1px solid var(--border);
  border-radius: 2px;
  padding: 1rem 1.2rem;
  margin-bottom: 1.2rem;
  text-align: left;
  display: none;
}
.modal-detail-row {
  display: flex;
  gap: 0.8rem;
  align-items: baseline;
  padding: 0.4rem 0;
  border-bottom: 1px solid rgba(201,168,76,0.08);
}
.modal-detail-row:last-child { border-bottom: none; }
.modal-detail-label {
  font-family: var(--font-en);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  color: var(--gold);
  flex: 0 0 90px;
  text-transform: uppercase;
}
.modal-detail-value {
  font-family: var(--font-jp);
  font-size: 0.78rem;
  color: rgba(245,245,245,0.75);
  flex: 1;
}

/* ---- Collab line ---- */
.modal-collab {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  margin-bottom: 1.2rem;
  padding: 0.6rem 1rem;
  border-left: 2px solid var(--red);
  border-right: 2px solid var(--red);
  background: rgba(200,16,46,0.04);
}
.modal-collab-text {
  font-family: var(--font-en);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--gold);
}
.modal-collab-sub {
  font-family: var(--font-jp);
  font-size: 0.65rem;
  color: rgba(245,245,245,0.4);
  letter-spacing: 0.05em;
}

.modal-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  margin-bottom: 1.2rem;
}
.modal-tag {
  font-family: var(--font-jp);
  font-size: 0.68rem;
  color: var(--gold);
  border: 1px solid var(--border);
  padding: 3px 10px;
  border-radius: 2px;
}

.modal-buy-btn {
  width: 100%;
  font-family: var(--font-en);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--white);
  background: var(--red);
  border: none;
  padding: 14px;
  cursor: pointer;
  transition: var(--trans);
}
.modal-buy-btn:hover {
  background: var(--red-dark);
  box-shadow: 0 8px 30px rgba(200,16,46,0.4);
}

/* ============================================================
   PARTICLE
   ============================================================ */
.particle {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  animation: particleFloat linear infinite;
}

@keyframes particleFloat {
  0%   { transform: translateY(100vh) rotate(0deg); opacity: 0; }
  10%  { opacity: 1; }
  90%  { opacity: 1; }
  100% { transform: translateY(-100px) rotate(720deg); opacity: 0; }
}

/* ============================================================
   SCROLL REVEAL
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* ============================================================
   RESPONSIVE
   ============================================================ */

/* ---- タブレット ---- */
@media (max-width: 1024px) {
  .goods-grid       { grid-template-columns: repeat(2, 1fr); }
  .concept-grid     { grid-template-columns: repeat(2, 1fr); }
  .stationery-grid  { grid-template-columns: repeat(2, 1fr); }
  .sales-grid       { grid-template-columns: repeat(2, 1fr); }
  .premium-grid     { grid-template-columns: repeat(2, 1fr); }
  .hero-image-wrap  { width: 40%; }
}

/* ---- スマホ（768px以下） ---- */
@media (max-width: 768px) {

  /* --- ベース --- */
  html { font-size: 15px; }

  section {
    padding: 60px 0;
  }
  .section-inner {
    padding: 0 1.2rem;
  }
  .section-label {
    font-size: 0.6rem;
    letter-spacing: 0.25em;
    margin-bottom: 0.6rem;
  }
  .section-title {
    font-size: clamp(1.4rem, 6vw, 2rem);
    margin-bottom: 1.8rem;
    line-height: 1.3;
  }

  /* --- ナビ --- */
  .nav-inner { padding: 0 1rem; }
  .nav-logo-main { font-size: 1.1rem; }
  .nav-links {
    display: none;
    position: absolute;
    top: 68px; left: 0; right: 0;
    background: rgba(8,8,8,0.99);
    flex-direction: column;
    padding: 1.2rem 1.5rem;
    gap: 1rem;
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(12px);
  }
  .nav-links.open { display: flex; }
  .nav-toggle { display: flex; }

  /* --- ヒーロー --- */
  #hero {
    padding: 90px 1.2rem 0;
  }
  .hero-content {
    text-align: center;
    width: 100%;
    max-width: 100%;
  }
  .hero-series {
    font-size: 0.65rem;
    letter-spacing: 0.15em;
    margin-bottom: 0.8rem;
  }
  .hero-title-brand {
    font-size: clamp(2.8rem, 14vw, 5rem);
  }
  .hero-title-event {
    font-size: clamp(1.4rem, 7vw, 2.4rem);
    letter-spacing: 0.2em;
  }
  .hero-subtitle {
    border-left: none;
    padding-left: 0;
    justify-content: center;
    font-size: 0.68rem;
    letter-spacing: 0.2em;
  }
  .hero-liveinfo {
    justify-content: center;
    font-size: 0.72rem;
    gap: 0.5rem;
    flex-wrap: wrap;
    width: auto;
    margin-left: auto;
    margin-right: auto;
  }
  .hero-desc {
    font-size: 0.82rem;
    margin: 0 0 1.4rem 0;
    line-height: 2;
    text-align: left;
    width: 100%;
    max-width: 100%;
    letter-spacing: 0;
  }
  .hero-desc li {
    display: block;
  }
  /* スマホ時はsp-onlyを表示、pc-onlyを非表示 */
  .sp-only { display: block !important; }
  .pc-only { display: none !important; }
  .hero-tags {
    grid-template-columns: repeat(2, auto);
    justify-content: center;
    gap: 0.4rem;
  }
  .hero-tag {
    font-size: 0.62rem;
    padding: 4px 10px;
    letter-spacing: 0.05em;
  }
  .hero-cta {
    font-size: 0.72rem;
    padding: 12px 28px;
    letter-spacing: 0.2em;
  }
  .hero-image-wrap {
    width: 85%;
    max-width: 320px;
    margin: 0 auto;
  }
  .hero-visual {
    mask-image: linear-gradient(to bottom, black 60%, transparent 100%);
    -webkit-mask-image: linear-gradient(to bottom, black 60%, transparent 100%);
  }

  /* --- コンセプト --- */
  .concept-grid { grid-template-columns: 1fr; gap: 1rem; }
  .concept-card { padding: 1.8rem 1.4rem; }
  .concept-icon { font-size: 1.8rem; }
  .concept-title { font-size: 1rem; }
  .concept-text { font-size: 0.82rem; }
  .concept-catch {
    font-size: clamp(0.85rem, 3.5vw, 1.1rem);
    line-height: 2;
    margin-top: 2rem;
    padding: 1.2rem 1rem;
    text-align: center;
    word-break: keep-all;
    overflow-wrap: break-word;
    border-left: 2px solid var(--red);
    border-right: 2px solid var(--red);
  }

  /* --- グッズ --- */
  .goods-grid { grid-template-columns: 1fr; gap: 1.2rem; }
  .goods-card-img-wrap { height: 200px; }
  .goods-card-body { padding: 1.2rem; }
  .goods-card-name { font-size: 1rem; }
  .goods-card-desc { font-size: 0.8rem; line-height: 1.7; }
  .goods-card-spec li { font-size: 0.7rem; }
  .goods-card-spec li span { flex: 0 0 52px; font-size: 0.58rem; }
  .goods-btn { font-size: 0.68rem; padding: 12px 10px; }

  /* --- プレミアム --- */
  .premium-grid { grid-template-columns: 1fr; gap: 1rem; }
  .premium-card { padding: 2rem 1.4rem; }
  .premium-name { font-size: 0.95rem; }
  .premium-desc { font-size: 0.8rem; }

  /* --- ステーショナリー --- */
  .stationery-grid { grid-template-columns: repeat(2, 1fr); gap: 0.8rem; }
  .stationery-card { padding: 1.4rem 1rem; }
  .stationery-name { font-size: 0.82rem; }
  .stationery-desc { font-size: 0.72rem; }

  /* --- 購入方法 --- */
  .sales-grid { grid-template-columns: repeat(2, 1fr); gap: 0.8rem; }
  .sales-card { padding: 1.4rem 1rem; }
  .sales-name { font-size: 0.85rem; }
  .sales-desc { font-size: 0.72rem; }

  /* --- フッター --- */
  #main-footer { padding: 2.5rem 1.2rem; }
  .footer-logo-main { font-size: 1.6rem; }
}

/* ---- スマホ小（480px以下） ---- */
@media (max-width: 480px) {
  html { font-size: 14px; }

  .stationery-grid { grid-template-columns: 1fr; }
  .sales-grid      { grid-template-columns: 1fr; }

  .hero-tags { gap: 0.35rem; }
  .hero-tag  { font-size: 0.6rem; }

  .goods-card-img-wrap { height: 180px; }
  .goods-card-name { font-size: 0.95rem; line-height: 1.4; }
}

/* ============================================================
   FULLSCREEN DETAIL PAGE
   ============================================================ */
.detail-page {
  position: fixed;
  inset: 0;
  z-index: 3000;
  background: #080005;
  display: flex;
  flex-direction: column;

  /* 初期状態：非表示・クリップ＋フェード */
  opacity: 0;
  transform: scale(0.96) translateY(40px);
  pointer-events: none;
  visibility: hidden;
  clip-path: inset(0 0 100% 0);
  transition: opacity 0.55s cubic-bezier(0.22,1,0.36,1),
              transform 0.55s cubic-bezier(0.22,1,0.36,1),
              clip-path 0.55s cubic-bezier(0.22,1,0.36,1),
              visibility 0s linear 0.55s;
}
.detail-page.active {
  opacity: 1;
  transform: scale(1) translateY(0);
  pointer-events: all;
  visibility: visible;
  clip-path: inset(0 0 0% 0);
  transition: opacity 0.55s cubic-bezier(0.22,1,0.36,1),
              transform 0.55s cubic-bezier(0.22,1,0.36,1),
              clip-path 0.55s cubic-bezier(0.22,1,0.36,1),
              visibility 0s linear 0s;
}

/* ---- 背景グロー ---- */
.detail-bg-glow {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(ellipse 55% 70% at 20% 50%, rgba(200,16,46,0.12) 0%, transparent 70%),
    radial-gradient(ellipse 40% 60% at 80% 80%, rgba(201,168,76,0.07) 0%, transparent 70%);
  transition: background 0.5s ease;
}

/* ---- 閉じるボタン ---- */
.detail-close {
  position: fixed;
  top: 1.4rem;
  left: 1.8rem;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  background: rgba(10,10,10,0.7);
  border: 1px solid rgba(255,255,255,0.12);
  color: var(--white);
  padding: 0.55rem 1.1rem 0.55rem 0.9rem;
  cursor: pointer;
  font-family: var(--font-en);
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  backdrop-filter: blur(8px);
  transition: var(--trans);
}
.detail-close:hover {
  background: var(--red);
  border-color: var(--red);
}
.detail-close-icon {
  position: relative;
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}
.detail-close-icon span {
  position: absolute;
  left: 0; top: 50%;
  width: 100%; height: 1.5px;
  background: currentColor;
  display: block;
}
.detail-close-icon span:first-child {
  transform: translateY(-50%) rotate(45deg);
}
.detail-close-icon span:last-child {
  transform: translateY(-50%) rotate(-45deg);
}
.detail-close-text { line-height: 1; }

/* ---- スクロールエリア ---- */
.detail-scroll {
  flex: 1;
  overflow-y: auto;
  position: relative;
  z-index: 1;
  scrollbar-width: thin;
  scrollbar-color: var(--red) transparent;
}
.detail-scroll::-webkit-scrollbar { width: 4px; }
.detail-scroll::-webkit-scrollbar-thumb { background: var(--red); border-radius: 2px; }

/* ---- 2カラムレイアウト ---- */
.detail-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 100vh;
}

/* ---- 左カラム：ビジュアル ---- */
.detail-visual-col {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  padding: 2rem 1.5rem;
  background: rgba(0,0,0,0.3);
  border-right: 1px solid rgba(201,168,76,0.1);
}

.detail-visual-frame {
  position: relative;
  width: 100%;
  max-width: 680px;
  aspect-ratio: 1 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #000000;
  border: 1px solid rgba(201,168,76,0.15);
}

/* 四隅の飾り */
.detail-visual-corner {
  position: absolute;
  width: 24px; height: 24px;
  border-color: var(--gold);
  border-style: solid;
  opacity: 0.55;
}
.detail-visual-corner.tl { top: -1px; left: -1px; border-width: 2px 0 0 2px; }
.detail-visual-corner.tr { top: -1px; right: -1px; border-width: 2px 2px 0 0; }
.detail-visual-corner.bl { bottom: -1px; left: -1px; border-width: 0 0 2px 2px; }
.detail-visual-corner.br { bottom: -1px; right: -1px; border-width: 0 2px 2px 0; }

.detail-visual-img {
  width: 100%; height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  transition: transform 0.5s ease;
}

.detail-visual-photo {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  padding: 0.5rem;
}
.detail-visual-img svg {
  width: 100%;
  height: 100%;
  max-height: 340px;
  object-fit: contain;
  filter: drop-shadow(0 0 40px rgba(200,16,46,0.35));
  animation: detailFloat 5s ease-in-out infinite;
}
@keyframes detailFloat {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-14px); }
}

.detail-visual-label {
  position: absolute;
  bottom: 1.2rem;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-en);
  font-size: 0.58rem;
  letter-spacing: 0.35em;
  color: var(--gold);
  background: rgba(0,0,0,0.8);
  padding: 3px 14px;
  white-space: nowrap;
  border: 1px solid rgba(201,168,76,0.2);
}

/* 前後ナビ */
.detail-nav-btns {
  display: flex;
  gap: 1rem;
}
.detail-nav-btn {
  font-family: var(--font-en);
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  color: rgba(245,245,245,0.5);
  background: none;
  border: 1px solid rgba(255,255,255,0.1);
  padding: 0.5rem 1.2rem;
  cursor: pointer;
  transition: var(--trans);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.detail-nav-btn:hover {
  color: var(--white);
  border-color: var(--red);
  background: rgba(200,16,46,0.08);
}

/* ---- 右カラム：情報 ---- */
.detail-info-col {
  padding: 6rem 4rem 4rem;
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
  position: relative;
}

.detail-brand {
  font-family: var(--font-en);
  font-size: 0.62rem;
  letter-spacing: 0.35em;
  color: rgba(245,245,245,0.3);
}

.detail-category-wrap {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  flex-wrap: wrap;
}
.detail-category {
  font-family: var(--font-en);
  font-size: 0.68rem;
  letter-spacing: 0.35em;
  color: var(--black);
  background: var(--red);
  padding: 3px 14px;
  font-weight: 700;
  text-transform: uppercase;
}
.detail-live-date {
  font-family: var(--font-en);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  color: var(--gold);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.detail-name {
  font-family: var(--font-en);
  font-size: clamp(2rem, 4vw, 3.8rem);
  font-weight: 700;
  color: var(--white);
  line-height: 1.05;
  letter-spacing: 0.04em;
  text-shadow: 0 0 60px rgba(200,16,46,0.25);

  /* 入場アニメ */
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.5s 0.15s ease, transform 0.5s 0.15s ease;
}
.detail-page.active .detail-name {
  opacity: 1;
  transform: translateX(0);
}

.detail-divider {
  width: 60px;
  height: 2px;
  background: linear-gradient(to right, var(--red), var(--gold));
}

.detail-desc {
  font-family: var(--font-jp);
  font-size: 0.95rem;
  color: rgba(245,245,245,0.7);
  line-height: 2;
  max-width: 520px;

  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s 0.25s ease, transform 0.5s 0.25s ease;
}
.detail-page.active .detail-desc {
  opacity: 1;
  transform: translateY(0);
}

/* 説明文の段落スタイル */
.detail-desc-para {
  margin-bottom: 1.2rem;
  line-height: 2;
}
.detail-desc-para:first-child {
  font-family: var(--font-en);
  font-size: 0.72rem;
  letter-spacing: 0.25em;
  color: var(--gold);
  background: rgba(201,168,76,0.06);
  border-left: 3px solid var(--gold);
  padding: 0.5rem 1rem;
  margin-bottom: 1.4rem;
}
.detail-desc-para:last-child {
  margin-bottom: 0;
}

/* 詳細ページ 画像スライダー */
.detail-slider {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
}
.detail-slider-track {
  display: flex;
  width: 100%;
  height: 100%;
  transition: transform 0.4s ease;
}
.detail-slider-item {
  flex: 0 0 100%;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #000;
}
.detail-slider-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0,0,0,0.55);
  border: 1px solid rgba(201,168,76,0.4);
  color: var(--gold);
  font-size: 1rem;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
  transition: var(--trans);
}
.detail-slider-btn:hover {
  background: var(--red);
  border-color: var(--red);
  color: #fff;
}
.detail-slider-btn.prev { left: 10px; }
.detail-slider-btn.next { right: 10px; }
.detail-slider-dots {
  position: absolute;
  bottom: 10px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  z-index: 2;
}
.detail-slider-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(201,168,76,0.4);
  cursor: pointer;
  transition: var(--trans);
}
.detail-slider-dot.active {
  background: var(--gold);
}

/* タップで拡大カーソル */
.detail-zoomable {
  cursor: zoom-in;
}

/* ライトボックス */
.img-lightbox {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0,0,0,0.92);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  padding: 1rem;
}
.img-lightbox.active {
  opacity: 1;
  pointer-events: all;
}
.img-lightbox #img-lightbox-img {
  max-width: 95vw;
  max-height: 90vh;
  object-fit: contain;
  border: 1px solid rgba(201,168,76,0.3);
  box-shadow: 0 0 60px rgba(200,16,46,0.2);
  border-radius: 2px;
  display: block;
  transform: scale(0.92);
  transition: transform 0.3s ease;
}
.img-lightbox.active #img-lightbox-img {
  transform: scale(1);
}
.img-lightbox-close {
  position: fixed;
  top: 1.2rem;
  right: 1.4rem;
  background: rgba(0,0,0,0.6);
  border: 1px solid rgba(201,168,76,0.4);
  color: var(--white);
  font-size: 1.1rem;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  transition: var(--trans);
}
.img-lightbox-close:hover {
  background: var(--red);
  border-color: var(--red);
}

/* サイズ表・素材ブロック */
.detail-size-block {
  margin-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
}
.detail-size-img {
  width: 100%;
  max-width: 520px;
  height: auto;
  display: block;
  border: 1px solid rgba(201,168,76,0.3);
  border-radius: 4px;
  background: #fff;
  padding: 12px;
}
.detail-material {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  font-family: var(--font-jp);
  font-size: 0.88rem;
  color: rgba(245,245,245,0.8);
  line-height: 1.9;
}
.detail-material-head {
  color: var(--gold);
  font-weight: 600;
  letter-spacing: 0.05em;
}

/* スペックブロック */
.detail-spec-block {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s 0.35s ease, transform 0.5s 0.35s ease;
}
.detail-page.active .detail-spec-block {
  opacity: 1;
  transform: translateY(0);
}

.detail-spec-heading {
  font-family: var(--font-en);
  font-size: 0.62rem;
  letter-spacing: 0.4em;
  color: var(--gold);
  margin-bottom: 0.8rem;
  display: flex;
  align-items: center;
  gap: 0.8rem;
}
.detail-spec-heading::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(to right, rgba(201,168,76,0.3), transparent);
}

.detail-spec-table {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid rgba(201,168,76,0.12);
}
.detail-spec-row {
  display: flex;
  align-items: baseline;
  border-bottom: 1px solid rgba(201,168,76,0.08);
}
.detail-spec-row:last-child { border-bottom: none; }
.detail-spec-label {
  font-family: var(--font-en);
  font-size: 0.62rem;
  letter-spacing: 0.2em;
  color: var(--gold);
  text-transform: uppercase;
  flex: 0 0 110px;
  padding: 0.6rem 1rem;
  background: rgba(201,168,76,0.04);
  border-right: 1px solid rgba(201,168,76,0.1);
  align-self: stretch;
  display: flex;
  align-items: center;
}
.detail-spec-value {
  font-family: var(--font-jp);
  font-size: 0.82rem;
  color: rgba(245,245,245,0.75);
  padding: 0.6rem 1.2rem;
  flex: 1;
}

/* タグ */
.detail-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  opacity: 0;
  transition: opacity 0.5s 0.4s ease;
}
.detail-page.active .detail-tags { opacity: 1; }

.detail-tag {
  font-family: var(--font-jp);
  font-size: 0.68rem;
  color: rgba(245,245,245,0.5);
  border: 1px solid rgba(255,255,255,0.1);
  padding: 4px 12px;
  transition: var(--trans);
}
.detail-tag:hover {
  color: var(--gold);
  border-color: var(--gold);
}

/* コラボライン */
.detail-collab {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 0.8rem 1.2rem;
  border-left: 3px solid var(--red);
  background: rgba(200,16,46,0.04);
}
.detail-collab-main {
  font-family: var(--font-en);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  color: var(--gold);
}
.detail-collab-sub {
  font-family: var(--font-jp);
  font-size: 0.68rem;
  color: rgba(245,245,245,0.35);
}

/* CTAボタン行 */
.detail-cta-row {
  display: flex;
  gap: 1rem;
  align-items: center;
  margin-top: 0.5rem;

  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s 0.5s ease, transform 0.5s 0.5s ease;
}
.detail-page.active .detail-cta-row {
  opacity: 1;
  transform: translateY(0);
}

.detail-buy-btn {
  flex: 1;
  font-family: var(--font-en);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--white);
  background: var(--red);
  border: none;
  padding: 1rem 2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  position: relative;
  overflow: hidden;
  transition: var(--trans);
}
.detail-buy-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.1);
  transform: translateX(-100%);
  transition: transform var(--trans);
}
.detail-buy-btn:hover::before { transform: translateX(0); }
.detail-buy-btn:hover {
  box-shadow: 0 8px 40px rgba(200,16,46,0.5);
  transform: translateY(-2px);
}

.detail-share-btn {
  width: 50px; height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: 1px solid rgba(255,255,255,0.15);
  color: rgba(245,245,245,0.5);
  font-size: 1rem;
  cursor: pointer;
  transition: var(--trans);
  flex-shrink: 0;
}
.detail-share-btn:hover {
  border-color: var(--gold);
  color: var(--gold);
}

/* ---- プログレスバー ---- */
.detail-progress {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 10;
  height: 40px;
  background: rgba(5,0,2,0.9);
  border-top: 1px solid rgba(201,168,76,0.1);
  display: flex;
  align-items: center;
  padding: 0 2rem;
  gap: 1rem;
}
.detail-progress-bar {
  height: 2px;
  background: linear-gradient(to right, var(--red), var(--gold));
  border-radius: 1px;
  transition: width 0.4s ease;
  min-width: 4px;
}
.detail-progress-text {
  font-family: var(--font-en);
  font-size: 0.6rem;
  letter-spacing: 0.3em;
  color: rgba(245,245,245,0.3);
  white-space: nowrap;
}

/* ============================================================
   DETAIL PAGE — RESPONSIVE
   ============================================================ */

/* ---- タブレット（900px以下） ---- */
@media (max-width: 900px) {
  .detail-inner {
    grid-template-columns: 1fr;
    min-height: unset;
  }
  .detail-visual-col {
    position: relative;
    height: auto;
    padding: 5rem 2rem 2rem;
    border-right: none;
    border-bottom: 1px solid rgba(201,168,76,0.1);
  }
  .detail-visual-frame {
    max-width: 560px;
    aspect-ratio: 1 / 1;
  }
  .detail-info-col {
    padding: 2.5rem 2rem 6rem;
    gap: 1.2rem;
  }
  .detail-close {
    top: 1rem;
    left: 1rem;
  }
}

/* ---- スマホ（768px以下） ---- */
@media (max-width: 768px) {

  /* BACKボタン */
  .detail-close {
    top: 0.8rem;
    left: 0.8rem;
    padding: 0.45rem 0.9rem 0.45rem 0.7rem;
    font-size: 0.62rem;
    letter-spacing: 0.2em;
    gap: 0.4rem;
  }

  /* ビジュアルエリア */
  .detail-visual-col {
    padding: 4.5rem 1.2rem 1.5rem;
    gap: 1.2rem;
  }
  .detail-visual-frame {
    max-width: 420px;
    aspect-ratio: 1 / 1;
  }
  .detail-visual-img {
    padding: 0;
  }

  /* 前後ナビ */
  .detail-nav-btns {
    gap: 0.6rem;
    width: 100%;
    justify-content: center;
  }
  .detail-nav-btn {
    flex: 1;
    justify-content: center;
    padding: 0.55rem 0.8rem;
    font-size: 0.62rem;
    letter-spacing: 0.12em;
  }

  /* 情報カラム */
  .detail-info-col {
    padding: 1.8rem 1.2rem 6rem;
    gap: 1rem;
  }

  /* ブランドラベル */
  .detail-brand {
    font-size: 0.55rem;
    letter-spacing: 0.2em;
  }

  /* カテゴリ＋日付行 */
  .detail-category-wrap {
    gap: 0.7rem;
    flex-wrap: wrap;
  }
  .detail-category {
    font-size: 0.6rem;
    letter-spacing: 0.2em;
    padding: 3px 10px;
  }
  .detail-live-date {
    font-size: 0.6rem;
    letter-spacing: 0.08em;
  }

  /* 商品名 */
  .detail-name {
    font-size: clamp(1.4rem, 6vw, 2.2rem);
    line-height: 1.2;
    letter-spacing: 0.02em;
    word-break: break-word;
  }

  /* 説明文コンテナ */
  .detail-desc {
    font-size: 0.85rem;
    line-height: 1.85;
    max-width: 100%;
  }

  /* 説明文の各段落 */
  .detail-desc-para {
    font-size: 0.85rem;
    line-height: 1.85;
    margin-bottom: 0.9rem;
    word-break: break-word;
  }
  /* 1行目（タイトル行）のゴールドバー */
  .detail-desc-para:first-child {
    font-size: 0.65rem;
    letter-spacing: 0.15em;
    padding: 0.5rem 0.8rem;
    line-height: 1.7;
    word-break: break-word;
  }

  /* タグ */
  .detail-tags {
    gap: 0.4rem;
  }
  .detail-tag {
    font-size: 0.62rem;
    padding: 4px 10px;
  }

  /* コラボライン */
  .detail-collab {
    padding: 0.7rem 1rem;
  }
  .detail-collab-main {
    font-size: 0.68rem;
    letter-spacing: 0.12em;
  }
  .detail-collab-sub {
    font-size: 0.62rem;
  }

  /* CTAボタン */
  .detail-cta-row {
    gap: 0.8rem;
  }
  .detail-buy-btn {
    font-size: 0.75rem;
    padding: 0.9rem 1rem;
    letter-spacing: 0.12em;
  }
  .detail-share-btn {
    width: 44px;
    height: 44px;
    font-size: 0.9rem;
  }

  /* プログレスバー */
  .detail-progress {
    height: 36px;
    padding: 0 1rem;
  }
  .detail-progress-text {
    font-size: 0.55rem;
    letter-spacing: 0.2em;
  }
}

/* ---- スマホ小（480px以下） ---- */
@media (max-width: 480px) {
  .detail-visual-col {
    padding: 4rem 1rem 1.2rem;
  }
  .detail-visual-frame {
    max-width: 200px;
  }
  .detail-info-col {
    padding: 1.5rem 1rem 6rem;
    gap: 0.9rem;
  }
  .detail-name {
    font-size: clamp(1.2rem, 5.5vw, 1.8rem);
  }
  .detail-desc,
  .detail-desc-para {
    font-size: 0.82rem;
    line-height: 1.8;
  }
  .detail-desc-para:first-child {
    font-size: 0.6rem;
    letter-spacing: 0.1em;
  }
  .detail-buy-btn {
    font-size: 0.7rem;
    padding: 0.85rem 0.8rem;
  }
}