/* ===========================
   GOLD'S GYM 南船橋千葉店
   サポート付き体験コース LP
   style.css
=========================== */

:root {
  --bg:            #000000;
  --bg-elevated:   #0a0a0a;
  --surface-glass: rgba(255,255,255,0.06);
  --hairline:      rgba(255,255,255,0.14);
  --text:          #f5f5f7;
  --text-sub:      #a1a1a6;
  --accent:        #C9A227;
  --accent-dim:    rgba(201,162,39,0.15);
  --accent-border: rgba(201,162,39,0.35);
}

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

html {
  font-size: 15px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, "SF Pro Display", "SF Pro Text",
               "Hiragino Kaku Gothic ProN", "Noto Sans JP", sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
}

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

/* ─── Typography ─── */
.t11  { font-size: 11px; }
.t12  { font-size: 12px; }
.t13  { font-size: 13px; }
.t15  { font-size: 15px; }
.t17  { font-size: 17px; }
.t22  { font-size: 22px; }
.t28  { font-size: 28px; }
.t34  { font-size: 34px; }
.t44  { font-size: 44px; }
.t56  { font-size: 56px; }

/* ─── Layout ─── */
.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 80px 0;
}

.section-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}

.section-title {
  font-size: 34px;
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 20px;
  letter-spacing: -0.01em;
}

.section-sub {
  font-size: 17px;
  color: var(--text-sub);
  line-height: 1.7;
  margin-bottom: 44px;
}

/* ─── Glass Card ─── */
.glass-card {
  backdrop-filter: blur(30px) saturate(180%);
  -webkit-backdrop-filter: blur(30px) saturate(180%);
  background: var(--surface-glass);
  border: 1px solid var(--hairline);
  border-radius: 14px;
}

/* ─── CTA Button ─── */
.btn-cta {
  display: inline-block;
  background: var(--accent);
  color: #000;
  font-size: 17px;
  font-weight: 700;
  padding: 20px 44px;
  border-radius: 12px;
  cursor: pointer;
  transition: opacity 0.3s cubic-bezier(0.25,0.1,0.25,1),
              transform 0.3s cubic-bezier(0.25,0.1,0.25,1);
  text-align: center;
  letter-spacing: 0.01em;
  border: none;
}
.btn-cta:hover {
  opacity: 0.88;
  transform: translateY(-2px);
}
.btn-cta-wrap {
  text-align: center;
}
.btn-cta-guide {
  display: block;
  font-size: 12px;
  color: var(--text-sub);
  margin-top: 12px;
  text-align: center;
  line-height: 1.6;
}

/* ─── Separator ─── */
.hairline {
  border: none;
  border-top: 1px solid var(--hairline);
  margin: 0;
}

/* ─── Badge ─── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 100px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
}
.badge-accent {
  background: var(--accent-dim);
  border: 1px solid var(--accent-border);
  color: var(--accent);
}
.badge-glass {
  background: var(--surface-glass);
  border: 1px solid var(--hairline);
  color: var(--text-sub);
}

/* ─── Scroll Reveal ─── */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s cubic-bezier(0.25,0.1,0.25,1),
              transform 0.5s cubic-bezier(0.25,0.1,0.25,1);
}
.reveal.is-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; }

/* ══════════════════════════════
   HEADER
══════════════════════════════ */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: 56px;
  display: flex;
  align-items: center;
  padding: 0 24px;
  backdrop-filter: blur(30px) saturate(180%);
  -webkit-backdrop-filter: blur(30px) saturate(180%);
  background: rgba(0,0,0,0.72);
  border-bottom: 1px solid var(--hairline);
}
.header-inner {
  max-width: 900px;
  margin: 0 auto;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.header-logo {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--accent);
  text-transform: uppercase;
}
.header-cta {
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  padding: 8px 16px;
  border: 1px solid var(--accent-border);
  border-radius: 8px;
  transition: background 0.3s cubic-bezier(0.25,0.1,0.25,1);
}
.header-cta:hover {
  background: var(--accent-dim);
}

/* ══════════════════════════════
   EXPIRED NOTICE
══════════════════════════════ */
#expired-notice {
  display: none;
  min-height: 100vh;
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 80px 24px;
}
#expired-notice .t34 {
  margin-bottom: 16px;
}
#expired-notice .t17 {
  color: var(--text-sub);
}

/* ══════════════════════════════
   SECTION 1 — FV
══════════════════════════════ */
.fv {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 24px 80px;
  position: relative;
}
.fv-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(201,162,39,0.07) 0%, transparent 60%),
    radial-gradient(ellipse 60% 40% at 20% 80%, rgba(201,162,39,0.04) 0%, transparent 50%);
  pointer-events: none;
}
.fv-badge-row {
  display: flex;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 32px;
}
.fv-headline {
  font-size: 56px;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}
@media (max-width: 600px) {
  .fv-headline { font-size: 44px; }
}
.fv-sub {
  font-size: 22px;
  color: var(--text-sub);
  margin-bottom: 12px;
  line-height: 1.45;
}
.fv-price-row {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 8px;
  margin-bottom: 32px;
}
.fv-price-num {
  font-size: 44px;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.02em;
}
.fv-price-unit {
  font-size: 17px;
  color: var(--text-sub);
}
.fv-limit {
  font-size: 13px;
  color: var(--text-sub);
  margin-bottom: 8px;
}
.fv-period {
  font-size: 13px;
  color: var(--text-sub);
  margin-bottom: 44px;
}

/* ══════════════════════════════
   SECTION 2 — 共感
══════════════════════════════ */
.empathy-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}
.empathy-card {
  padding: 32px 24px;
}
.empathy-num {
  font-size: 34px;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 16px;
  opacity: 0.4;
  font-feature-settings: "tnum";
}
.empathy-title {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 12px;
  line-height: 1.3;
}
.empathy-sub {
  font-size: 15px;
  color: var(--text-sub);
  line-height: 1.7;
}

/* ══════════════════════════════
   SECTION 3 — オファー詳細
══════════════════════════════ */
.offer-core {
  padding: 44px;
  margin-bottom: 32px;
  text-align: center;
}
.offer-core-title {
  font-size: 34px;
  font-weight: 800;
  margin-bottom: 16px;
  line-height: 1.25;
}
.offer-core-accent {
  color: var(--accent);
}
.offer-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
@media (max-width: 600px) {
  .offer-detail-grid { grid-template-columns: 1fr; }
  .offer-core { padding: 32px 24px; }
}
.offer-detail-card {
  padding: 24px;
}
.offer-detail-icon {
  font-size: 28px;
  margin-bottom: 12px;
}
.offer-detail-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
}
.offer-detail-title {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 8px;
}
.offer-detail-sub {
  font-size: 13px;
  color: var(--text-sub);
  line-height: 1.6;
}
.placeholder-tag {
  display: inline-block;
  background: rgba(201,162,39,0.12);
  border: 1px dashed var(--accent-border);
  border-radius: 6px;
  padding: 2px 8px;
  font-size: 12px;
  color: var(--accent);
  font-weight: 600;
}

/* ══════════════════════════════
   SECTION 4 — DATA
══════════════════════════════ */
.data-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 32px;
}
.data-card {
  padding: 32px 20px;
  text-align: center;
}
.data-num {
  font-size: 44px;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}
.data-label {
  font-size: 13px;
  color: var(--text-sub);
  line-height: 1.5;
}
.data-mecca {
  padding: 32px 44px;
  text-align: center;
  border-top: 1px solid var(--hairline);
  margin-top: 0;
}
.data-mecca-en {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: var(--accent);
  margin-bottom: 8px;
  text-transform: uppercase;
}
.data-mecca-ja {
  font-size: 13px;
  color: var(--text-sub);
}
.data-since-row {
  display: flex;
  justify-content: center;
  gap: 32px;
  margin-top: 32px;
  flex-wrap: wrap;
}
.data-since-item {
  text-align: center;
}
.data-since-num {
  font-size: 28px;
  font-weight: 800;
  color: var(--text);
  letter-spacing: 0.04em;
}
.data-since-label {
  font-size: 12px;
  color: var(--text-sub);
  margin-top: 4px;
}

/* ══════════════════════════════
   SECTION 5 — 設備
══════════════════════════════ */
.facility-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}
.facility-card {
  padding: 24px;
  position: relative;
  overflow: hidden;
}
.facility-img-wrap {
  width: 100%;
  aspect-ratio: 4/3;
  background: var(--bg-elevated);
  border-radius: 8px;
  margin-bottom: 16px;
  overflow: hidden;
  border: 1px solid var(--hairline);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-sub);
  font-size: 13px;
}
.facility-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.facility-name {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 4px;
}
.facility-desc {
  font-size: 12px;
  color: var(--text-sub);
  line-height: 1.5;
}

/* ══════════════════════════════
   SECTION 6 — トレーナー
══════════════════════════════ */
.trainer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}
.trainer-card {
  padding: 24px;
  text-align: center;
}
.trainer-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--bg-elevated);
  border: 1px solid var(--hairline);
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
}
.trainer-name {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 4px;
}
.trainer-role {
  font-size: 12px;
  color: var(--accent);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.trainer-bio {
  font-size: 13px;
  color: var(--text-sub);
  line-height: 1.6;
}

/* ══════════════════════════════
   SECTION 7 — 当日の流れ
══════════════════════════════ */
.flow-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.flow-item {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 24px;
  align-items: start;
  padding: 32px 32px;
}
@media (max-width: 600px) {
  .flow-item { padding: 24px 20px; grid-template-columns: 44px 1fr; gap: 16px; }
}
.flow-step-num {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--accent-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 17px;
  font-weight: 800;
  color: var(--accent);
  flex-shrink: 0;
}
.flow-step-title {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 8px;
  line-height: 1.3;
}
.flow-step-sub {
  font-size: 13px;
  color: var(--text-sub);
  line-height: 1.6;
}
.flow-connector {
  width: 1px;
  height: 24px;
  background: var(--hairline);
  margin-left: 27px;
}

/* ══════════════════════════════
   SECTION 8 — アクセス
══════════════════════════════ */
.access-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
@media (max-width: 600px) {
  .access-grid { grid-template-columns: 1fr; }
}
.access-card {
  padding: 32px;
}
.access-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}
.access-value {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text);
}
.access-value a {
  color: var(--accent);
  font-weight: 600;
}
.access-value a:hover {
  opacity: 0.8;
}
.access-map {
  width: 100%;
  aspect-ratio: 16/7;
  background: var(--bg-elevated);
  border: 1px solid var(--hairline);
  border-radius: 14px;
  margin-bottom: 16px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  color: var(--text-sub);
}

/* ══════════════════════════════
   SECTION 9 — 料金
══════════════════════════════ */
.price-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}
.price-card {
  padding: 32px 20px;
  text-align: center;
}
.price-plan {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-sub);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 16px;
}
.price-amount {
  font-size: 34px;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.02em;
  line-height: 1;
  margin-bottom: 4px;
}
.price-tax {
  font-size: 11px;
  color: var(--text-sub);
  margin-bottom: 8px;
}
.price-period {
  font-size: 13px;
  color: var(--text-sub);
}
.price-note {
  font-size: 13px;
  color: var(--text-sub);
  text-align: center;
  padding: 20px 32px;
  border-top: 1px solid var(--hairline);
}
.price-ok {
  font-size: 17px;
  font-weight: 700;
  color: var(--accent);
  text-align: center;
  padding: 24px;
}

/* ══════════════════════════════
   SECTION 10 — FAQ
══════════════════════════════ */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.faq-item {
  border-radius: 14px;
  border: 1px solid var(--hairline);
  overflow: hidden;
  background: var(--surface-glass);
  backdrop-filter: blur(30px) saturate(180%);
  -webkit-backdrop-filter: blur(30px) saturate(180%);
}
.faq-q {
  width: 100%;
  padding: 20px 24px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  background: none;
  border: none;
  color: var(--text);
  cursor: pointer;
  text-align: left;
  font-size: 15px;
  font-weight: 600;
  font-family: inherit;
  line-height: 1.5;
  transition: background 0.3s cubic-bezier(0.25,0.1,0.25,1);
}
.faq-q:hover {
  background: rgba(255,255,255,0.03);
}
.faq-q-text {
  flex: 1;
}
.faq-q-badge {
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
  flex-shrink: 0;
  margin-right: 8px;
}
.faq-icon {
  font-size: 20px;
  color: var(--accent);
  flex-shrink: 0;
  line-height: 1;
  transition: transform 0.3s cubic-bezier(0.25,0.1,0.25,1);
}
.faq-item.is-open .faq-icon {
  transform: rotate(45deg);
}
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.25,0.1,0.25,1),
              padding 0.4s cubic-bezier(0.25,0.1,0.25,1);
  padding: 0 24px;
  font-size: 15px;
  color: var(--text-sub);
  line-height: 1.7;
}
.faq-item.is-open .faq-a {
  max-height: 400px;
  padding: 0 24px 20px;
}
.faq-divider {
  height: 1px;
  background: var(--hairline);
  margin: 0 24px;
}

/* ══════════════════════════════
   SECTION 11 — クロージング
══════════════════════════════ */
.closing {
  padding: 80px 24px;
  text-align: center;
}
.closing-headline {
  font-size: 34px;
  font-weight: 800;
  margin-bottom: 20px;
  line-height: 1.25;
}
.closing-sub {
  font-size: 17px;
  color: var(--text-sub);
  margin-bottom: 32px;
  line-height: 1.7;
}
.closing-note {
  font-size: 12px;
  color: var(--text-sub);
  margin-top: 20px;
  line-height: 1.7;
}

/* ══════════════════════════════
   FOOTER
══════════════════════════════ */
.footer {
  padding: 44px 24px;
  border-top: 1px solid var(--hairline);
  text-align: center;
}
.footer-logo {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 12px;
}
.footer-address {
  font-size: 12px;
  color: var(--text-sub);
  line-height: 1.7;
  margin-bottom: 20px;
}
.footer-links {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
  font-size: 12px;
  color: var(--text-sub);
}
.footer-links a:hover {
  color: var(--text);
}
.footer-copy {
  font-size: 11px;
  color: var(--text-sub);
  opacity: 0.5;
  margin-top: 20px;
}

/* ──────────────────────────── */
@media (max-width: 600px) {
  .section { padding: 56px 0; }
  .section-title { font-size: 28px; }
  .data-num { font-size: 34px; }
  .fv { padding: 100px 20px 56px; }
  .offer-core { padding: 24px 20px; }
  .offer-core-title { font-size: 28px; }
  .access-card { padding: 24px 20px; }
}