/* ===========================
   BENSA ベンチプレス講座 LP
   =========================== */

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

:root {
  --black:    #0a0a0a;
  --dark:     #111111;
  --dark2:    #1a1a1a;
  --red:      #c0392b;
  --red-bright: #e74c3c;
  --gold:     #d4a017;
  --gold-light: #f5c842;
  --white:    #ffffff;
  --gray:     #aaaaaa;
  --font-jp: 'Noto Sans JP', sans-serif;
  --font-en: 'Oswald', sans-serif;
}

html { scroll-behavior: smooth; }

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

a { color: inherit; text-decoration: none; }

.container {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 24px;
}

.gold { color: var(--gold-light); }

/* ---- Section ---- */
.section { padding: 80px 0; }
.section-dark { background: var(--dark2); }

.section-badge {
  display: inline-block;
  font-family: var(--font-en);
  font-size: 12px;
  letter-spacing: 4px;
  color: var(--gold);
  border: 1px solid var(--gold);
  padding: 4px 14px;
  margin-bottom: 20px;
}

.section-title {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 900;
  line-height: 1.4;
  margin-bottom: 40px;
  text-align: center;
}

/* ===========================
   HERO
   =========================== */
.hero {
  position: relative;
  min-height: 100vh;
  background: radial-gradient(ellipse at 70% 40%, #3a0000 0%, #1a0000 30%, #0a0a0a 70%);
  display: flex;
  align-items: center;
  overflow: hidden;
}

/* particles */
.hero-particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}
.hero-particles .particle {
  position: absolute;
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--gold);
  opacity: 0;
  animation: float-up var(--dur, 4s) ease-in infinite;
  animation-delay: var(--delay, 0s);
}
@keyframes float-up {
  0%   { opacity: 0; transform: translateY(0) translateX(0) scale(1); }
  20%  { opacity: 1; }
  80%  { opacity: 0.6; }
  100% { opacity: 0; transform: translateY(-300px) translateX(var(--dx, 20px)) scale(0.3); }
}

.hero-inner {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 60px 24px 100px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 40px;
}

/* --- Hero Text --- */
.hero-text { display: flex; flex-direction: column; gap: 16px; }

.hero-sub {
  display: inline-block;
  font-family: var(--font-en);
  font-size: 14px;
  letter-spacing: 3px;
  color: var(--gold);
  background: linear-gradient(135deg, #2a1500, #1a0a00);
  border: 1px solid var(--gold);
  padding: 6px 18px;
  width: fit-content;
  text-shadow: 0 0 8px rgba(212,160,23,0.6);
}

.hero-title {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.hero-title-small {
  font-size: clamp(2rem, 5vw, 3.4rem);
  font-weight: 900;
  color: var(--white);
  text-shadow: 0 2px 20px rgba(0,0,0,0.8), 0 0 40px rgba(192,57,43,0.4);
  line-height: 1.1;
  letter-spacing: 2px;
}

.hero-title-main {
  font-size: clamp(3rem, 7vw, 5.5rem);
  font-weight: 900;
  background: linear-gradient(180deg, #f5c842 0%, #d4a017 40%, #9a6f00 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 2px 8px rgba(212,160,23,0.5));
  line-height: 1;
  letter-spacing: 4px;
}

.hero-series {
  font-size: clamp(1.2rem, 3vw, 1.8rem);
  font-weight: 900;
  color: var(--white);
  letter-spacing: 3px;
  text-shadow: 0 0 20px rgba(255,255,255,0.3);
}

.hero-copy {
  font-size: clamp(1rem, 2vw, 1.25rem);
  font-weight: 700;
  color: #ffe8cc;
  line-height: 1.8;
  margin-top: 8px;
  padding-left: 16px;
  border-left: 3px solid var(--red-bright);
}

/* --- Hero Image --- */
.hero-image {
  display: flex;
  justify-content: center;
  align-items: flex-end;
}
.hero-image img {
  width: 100%;
  max-width: 520px;
  height: auto;
  border-radius: 4px;
  filter: drop-shadow(0 8px 30px rgba(192,57,43,0.5));
  animation: hero-img-float 4s ease-in-out infinite;
}
@keyframes hero-img-float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-10px); }
}

/* --- Hero Scroll --- */
.hero-scroll {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 3px;
  color: var(--gray);
  z-index: 2;
}
.hero-scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--gray), transparent);
  animation: scroll-line 1.5s ease-in-out infinite;
}
@keyframes scroll-line {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.2; }
}

/* ===========================
   INTRO
   =========================== */
.intro-text {
  font-size: 1.05rem;
  line-height: 2;
  color: #ddd;
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}
.intro-text strong {
  color: var(--gold-light);
  font-weight: 700;
}

/* ===========================
   INSTRUCTOR
   =========================== */
.instructor-card {
  display: flex;
  gap: 32px;
  background: linear-gradient(135deg, #1c1c1c, #111);
  border: 1px solid #333;
  border-top: 3px solid var(--gold);
  border-radius: 4px;
  padding: 36px;
  align-items: flex-start;
}

.instructor-icon {
  flex-shrink: 0;
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--red), #7a0000);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: white;
  box-shadow: 0 4px 20px rgba(192,57,43,0.4);
}

.instructor-name {
  font-size: 1.8rem;
  font-weight: 900;
  margin-bottom: 4px;
}
.instructor-title {
  color: var(--gold);
  font-size: 0.9rem;
  letter-spacing: 2px;
  margin-bottom: 16px;
}
.instructor-stats {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 16px;
}
.instructor-stats li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
  color: #ccc;
}
.instructor-stats li i {
  color: var(--gold);
  width: 18px;
}
.instructor-stats strong { color: var(--white); }
.instructor-stats a {
  color: var(--gold-light);
  border-bottom: 1px dashed var(--gold);
  transition: opacity 0.2s;
}
.instructor-stats a:hover { opacity: 0.7; }

.instructor-desc {
  font-size: 0.95rem;
  color: #aaa;
  line-height: 1.8;
}

/* ===========================
   FORMAT
   =========================== */
.format-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.format-item {
  background: var(--dark2);
  border: 1px solid #2a2a2a;
  border-top: 3px solid var(--red);
  border-radius: 4px;
  padding: 28px 20px;
  text-align: center;
  transition: transform 0.3s, border-color 0.3s;
}
.format-item:hover {
  transform: translateY(-4px);
  border-top-color: var(--gold);
}
.format-item i {
  font-size: 2rem;
  color: var(--red-bright);
  margin-bottom: 12px;
  display: block;
}
.format-item h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--white);
}
.format-item p {
  font-size: 0.85rem;
  color: var(--gray);
  line-height: 1.6;
}

/* ===========================
   SCHEDULE
   =========================== */
.schedule-list {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.schedule-item {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 0;
  background: var(--dark);
  border: 1px solid #2a2a2a;
  border-radius: 6px;
  overflow: hidden;
  transition: box-shadow 0.3s;
}
.schedule-item:hover {
  box-shadow: 0 8px 40px rgba(212,160,23,0.15);
}

.schedule-num {
  background: linear-gradient(180deg, var(--red) 0%, #7a0000 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-en);
  font-size: 2rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 1px;
  writing-mode: vertical-rl;
  text-orientation: mixed;
  padding: 20px 0;
}

.schedule-body {
  padding: 28px 28px 24px;
}

.schedule-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}

.schedule-date {
  font-size: 0.9rem;
  color: var(--gold-light);
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 6px;
}
.schedule-date i { font-size: 0.8rem; }

.schedule-level {
  font-size: 0.75rem;
  letter-spacing: 1px;
  padding: 3px 10px;
  border-radius: 2px;
  font-weight: 700;
}
.schedule-level.beginner {
  background: rgba(52,152,219,0.2);
  color: #5dade2;
  border: 1px solid #2e86c1;
}
.schedule-level.intermediate {
  background: rgba(231,76,60,0.2);
  color: #e57373;
  border: 1px solid var(--red);
}

.schedule-title {
  font-size: 1.4rem;
  font-weight: 900;
  margin-bottom: 12px;
  color: var(--white);
}

.schedule-goal {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 0.9rem;
  color: #ccc;
  margin-bottom: 14px;
  padding: 8px 14px;
  background: rgba(212,160,23,0.08);
  border-left: 3px solid var(--gold);
}
.schedule-goal span {
  font-family: var(--font-en);
  font-size: 0.7rem;
  letter-spacing: 2px;
  color: var(--gold);
  font-weight: 700;
  flex-shrink: 0;
}

.schedule-points {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 20px;
}
.schedule-points li {
  font-size: 0.9rem;
  color: #bbb;
  padding-left: 16px;
  position: relative;
}
.schedule-points li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 6px;
  background: var(--red-bright);
  border-radius: 50%;
}

.btn-apply {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--red) 0%, #9b1a11 100%);
  color: var(--white);
  padding: 12px 28px;
  font-weight: 700;
  font-size: 0.95rem;
  border-radius: 3px;
  border: 1px solid rgba(255,255,255,0.1);
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
  cursor: pointer;
}
.btn-apply:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(192,57,43,0.5);
  background: linear-gradient(135deg, var(--red-bright) 0%, var(--red) 100%);
}

/* ===========================
   ABOUT BENSA
   =========================== */
.bensa-card {
  background: linear-gradient(135deg, #0f0f0f, #1a1a1a);
  border: 1px solid #2a2a2a;
  border-radius: 6px;
  overflow: hidden;
}

.bensa-mission {
  background: linear-gradient(135deg, var(--red) 0%, #7a0000 60%, #500000 100%);
  padding: 28px 36px;
  display: flex;
  align-items: baseline;
  gap: 20px;
  flex-wrap: wrap;
}
.bensa-mission-label {
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 4px;
  color: rgba(255,255,255,0.6);
  flex-shrink: 0;
  padding-top: 4px;
}
.bensa-mission-text {
  font-size: clamp(1rem, 2.2vw, 1.3rem);
  font-weight: 900;
  color: var(--white);
  line-height: 1.6;
  text-shadow: 0 2px 10px rgba(0,0,0,0.4);
}

.bensa-body {
  padding: 32px 36px 28px;
  border-bottom: 1px solid #2a2a2a;
}
.bensa-desc {
  font-size: 0.98rem;
  color: #ccc;
  line-height: 1.9;
  margin-bottom: 14px;
}
.bensa-desc:last-of-type { margin-bottom: 0; }
.bensa-desc strong { color: var(--white); font-weight: 700; }
.bensa-cta-text {
  margin-top: 18px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--gold-light);
}

.bensa-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid #2a2a2a;
}
.bensa-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 28px 20px;
  border-right: 1px solid #2a2a2a;
  text-align: center;
  transition: background 0.3s;
}
.bensa-stat:last-child { border-right: none; }
.bensa-stat:hover { background: rgba(212,160,23,0.05); }

.bensa-stat-num {
  font-family: var(--font-en);
  font-size: 2.8rem;
  font-weight: 700;
  background: linear-gradient(180deg, var(--gold-light), var(--gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}
.bensa-stat-num small {
  font-size: 1.2rem;
  -webkit-text-fill-color: transparent;
  background: inherit;
  -webkit-background-clip: text;
  background-clip: text;
}
.bensa-stat-label {
  font-size: 0.78rem;
  color: var(--gray);
  line-height: 1.6;
}

/* ===========================
   PRICE
   =========================== */
.price-box {
  background: linear-gradient(135deg, #1c1400, #110f00);
  border: 1px solid var(--gold);
  border-radius: 6px;
  padding: 48px;
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
  box-shadow: 0 0 60px rgba(212,160,23,0.1);
}

.price-amount {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 8px;
  margin-bottom: 28px;
}
.price-num {
  font-family: var(--font-en);
  font-size: 5rem;
  font-weight: 700;
  background: linear-gradient(180deg, var(--gold-light), var(--gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}
.price-unit {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--gold-light);
}

.price-includes {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  text-align: left;
  max-width: 380px;
  margin: 0 auto 24px;
}
.price-includes li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
  color: #ddd;
}
.price-includes li i { color: var(--gold); font-size: 1rem; }

.price-note {
  font-size: 0.8rem;
  color: #777;
  margin-top: 16px;
}

/* ===========================
   CTA
   =========================== */
.cta { text-align: center; }

.cta-title {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 900;
  line-height: 1.5;
  margin-bottom: 12px;
}

.cta-sub {
  color: var(--gray);
  font-size: 0.95rem;
  margin-bottom: 40px;
}

.cta-buttons {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
}

.btn-cta {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  background: linear-gradient(180deg, #2a0000, #1a0000);
  border: 1px solid var(--red);
  border-radius: 4px;
  padding: 20px 12px;
  transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
  cursor: pointer;
}
.btn-cta:hover {
  transform: translateY(-4px);
  border-color: var(--gold);
  box-shadow: 0 8px 24px rgba(192,57,43,0.3);
}

.btn-cta-num {
  font-family: var(--font-en);
  font-size: 0.75rem;
  letter-spacing: 2px;
  color: var(--gold);
  font-weight: 700;
}
.btn-cta-date {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--white);
}
.btn-cta-label {
  font-size: 0.75rem;
  color: var(--gray);
  text-align: center;
  line-height: 1.4;
}

/* ===========================
   FOOTER
   =========================== */
.footer {
  background: #050505;
  border-top: 1px solid #1a1a1a;
  padding: 40px 0;
  text-align: center;
}
.footer-logo {
  font-family: var(--font-en);
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: 6px;
  color: var(--gold);
  margin-bottom: 8px;
}
.footer-copy {
  font-size: 0.8rem;
  color: #555;
}

/* ===========================
   RESPONSIVE
   =========================== */
@media (max-width: 900px) {
  .cta-buttons {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
    padding-top: 100px;
  }
  .hero-text {
    align-items: center;
  }
  .hero-image {
    order: -1;
  }
  .hero-image img {
    max-width: 80vw;
  }
  .hero-copy {
    text-align: left;
    border-left: 3px solid var(--red-bright);
  }

  .format-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .schedule-item {
    grid-template-columns: 60px 1fr;
  }
  .schedule-num {
    font-size: 1.4rem;
  }
  .schedule-body {
    padding: 20px 16px;
  }
  .schedule-title {
    font-size: 1.15rem;
  }

  .instructor-card {
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 28px 20px;
  }
  .instructor-stats li {
    justify-content: center;
  }

  .price-box {
    padding: 36px 24px;
  }
  .price-num {
    font-size: 3.5rem;
  }

  .cta-buttons {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .bensa-mission {
    flex-direction: column;
    gap: 8px;
    padding: 24px 20px;
  }
  .bensa-body {
    padding: 24px 20px;
  }
  .bensa-stats {
    grid-template-columns: repeat(3, 1fr);
  }
  .bensa-stat {
    padding: 20px 10px;
  }
  .bensa-stat-num {
    font-size: 2rem;
  }
}

@media (max-width: 480px) {
  .section { padding: 60px 0; }

  .format-grid {
    grid-template-columns: 1fr 1fr;
  }

  .cta-buttons {
    grid-template-columns: 1fr 1fr;
  }

  .schedule-item {
    grid-template-columns: 50px 1fr;
  }

  .bensa-stats {
    grid-template-columns: 1fr;
  }
  .bensa-stat {
    border-right: none;
    border-bottom: 1px solid #2a2a2a;
  }
  .bensa-stat:last-child {
    border-bottom: none;
  }
}