/* ===========================
   JPA中級認定セミナー LP — Design System
   =========================== */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;700;900&display=swap');

/* --- CSS Custom Properties --- */
:root {
  /* Colors */
  --c-bg-dark: #0A1628;
  --c-bg-navy: #111D33;
  --c-bg-white: #FFFFFF;
  --c-bg-light: #F6F7FB;
  --c-bg-warm: #FFF8F2;
  --c-bg-card: #FFFFFF;
  --c-text: #1A1A2E;
  --c-text-sub: #555770;
  --c-text-light: #8A8CA5;
  --c-text-white: #FFFFFF;
  --c-accent: #C91A47;
  --c-accent-light: #E8436A;
  --c-cta: #FF6B2B;
  --c-cta-hover: #E85D1F;
  --c-cta-glow: rgba(255, 107, 43, 0.4);
  --c-gold: #FFB800;
  --c-gold-light: #FFD666;
  --c-red: #E70000;
  --c-green: #00B67A;
  --c-border: #E2E4ED;
  --c-gradient-hero: linear-gradient(135deg, #0A1628 0%, #1A2C4E 50%, #0D1F3C 100%);
  --c-gradient-cta: linear-gradient(135deg, #FF6B2B 0%, #E85D1F 100%);
  --c-gradient-accent: linear-gradient(135deg, #C91A47 0%, #FF4B6E 100%);
  --c-gradient-gold: linear-gradient(135deg, #FFB800 0%, #FF8C00 100%);

  /* Typography */
  --f-family: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', 'Yu Gothic', sans-serif;
  --f-size-xs: 0.75rem;
  --f-size-sm: 0.875rem;
  --f-size-base: 1rem;
  --f-size-md: 1.125rem;
  --f-size-lg: 1.25rem;
  --f-size-xl: 1.5rem;
  --f-size-2xl: 1.75rem;
  --f-size-3xl: 2rem;
  --f-size-4xl: 2.5rem;
  --f-line-tight: 1.3;
  --f-line-normal: 1.6;
  --f-line-loose: 1.8;

  /* Spacing */
  --sp-xs: 0.5rem;
  --sp-sm: 1rem;
  --sp-md: 1.5rem;
  --sp-lg: 2rem;
  --sp-xl: 3rem;
  --sp-2xl: 4rem;
  --sp-3xl: 5rem;
  --sp-section: 4rem;

  /* Layout */
  --max-width: 900px;
  --content-pad: 1.25rem;

  /* Effects */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --shadow-sm: 0 2px 8px rgba(10, 22, 40, 0.06);
  --shadow-md: 0 4px 20px rgba(10, 22, 40, 0.08);
  --shadow-lg: 0 8px 40px rgba(10, 22, 40, 0.12);
  --shadow-cta: 0 6px 24px rgba(255, 107, 43, 0.35);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--f-family);
  font-weight: 400;
  color: var(--c-text);
  background: var(--c-bg-white);
  line-height: var(--f-line-normal);
  overflow-x: hidden;
}

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

/* --- Utility --- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--content-pad);
}

.text-center { text-align: center; }
.text-accent { color: var(--c-accent); }
.text-cta { color: var(--c-cta); }
.text-gold { color: var(--c-gold); }
.text-red { color: var(--c-red); }
.text-white { color: var(--c-text-white); }
.text-sub { color: var(--c-text-sub); }
.fw-bold { font-weight: 700; }
.fw-black { font-weight: 900; }

/* --- Section Spacing --- */
.section {
  padding: var(--sp-section) 0;
}
.section--dark {
  background: var(--c-gradient-hero);
  color: var(--c-text-white);
}
.section--light {
  background: var(--c-bg-light);
}
.section--warm {
  background: var(--c-bg-warm);
}

/* --- Section Heading --- */
.section-heading {
  text-align: center;
  margin-bottom: var(--sp-xl);
}
.section-heading__label {
  display: inline-block;
  font-size: var(--f-size-sm);
  font-weight: 700;
  color: var(--c-accent);
  background: rgba(201, 26, 71, 0.08);
  padding: 0.3em 1em;
  border-radius: 100px;
  margin-bottom: var(--sp-sm);
  letter-spacing: 0.05em;
}
.section-heading__title {
  font-size: var(--f-size-2xl);
  font-weight: 900;
  line-height: var(--f-line-tight);
}
.section-heading__sub {
  margin-top: var(--sp-xs);
  font-size: var(--f-size-base);
  color: var(--c-text-sub);
}
.section--dark .section-heading__label {
  color: var(--c-gold);
  background: rgba(255, 184, 0, 0.15);
}
.section--dark .section-heading__sub {
  color: rgba(255,255,255,0.7);
}

/* --- Header --- */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--c-bg-dark);
  padding: 0.6rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  backdrop-filter: blur(12px);
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.header__logo img {
  height: 28px;
  width: auto;
}

/* --- Announcement Bar --- */
.announce-bar {
  background: var(--c-accent);
  color: var(--c-text-white);
  text-align: center;
  padding: 0.6rem var(--content-pad);
  font-size: var(--f-size-sm);
  font-weight: 700;
  animation: pulse-bg 3s ease-in-out infinite;
}
@keyframes pulse-bg {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.85; }
}

/* --- Hero Section --- */
.hero {
  background: var(--c-gradient-hero);
  color: var(--c-text-white);
  padding: var(--sp-xl) 0 var(--sp-3xl);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(ellipse at 30% 50%, rgba(201, 26, 71, 0.08) 0%, transparent 60%),
              radial-gradient(ellipse at 70% 20%, rgba(255, 107, 43, 0.06) 0%, transparent 50%);
  pointer-events: none;
}
.hero__badge {
  display: inline-block;
  background: rgba(255, 184, 0, 0.15);
  color: var(--c-gold);
  font-size: var(--f-size-sm);
  font-weight: 700;
  padding: 0.35em 1.2em;
  border-radius: 100px;
  border: 1px solid rgba(255, 184, 0, 0.3);
  margin-bottom: var(--sp-md);
}
.hero__title {
  font-size: var(--f-size-3xl);
  font-weight: 900;
  line-height: var(--f-line-tight);
  margin-bottom: var(--sp-sm);
}
.hero__title .highlight {
  color: var(--c-gold);
}
.hero__sub {
  font-size: var(--f-size-md);
  color: rgba(255,255,255,0.8);
  margin-bottom: var(--sp-lg);
  line-height: var(--f-line-loose);
}
.hero__images {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  margin-bottom: var(--sp-lg);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.hero__images img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: contain;
  background: rgba(0, 0, 0, 0.16);
}
.hero__images img:first-child {
  grid-column: 1 / -1;
  aspect-ratio: 16 / 9;
}
.hero__stats {
  display: flex;
  justify-content: center;
  gap: var(--sp-lg);
  margin-top: var(--sp-md);
}
.hero__stat {
  text-align: center;
}
.hero__stat-number {
  font-size: var(--f-size-2xl);
  font-weight: 900;
  color: var(--c-gold);
}
.hero__stat-label {
  font-size: var(--f-size-xs);
  color: rgba(255,255,255,0.7);
  margin-top: 0.2em;
}

/* --- CTA Button --- */
.cta-wrap {
  padding: var(--sp-lg) 0;
  text-align: center;
}
.btn-cta {
  display: inline-block;
  width: 100%;
  max-width: 420px;
  background: var(--c-gradient-cta);
  color: var(--c-text-white);
  font-size: var(--f-size-lg);
  font-weight: 900;
  padding: 1.1rem 2rem;
  border-radius: var(--radius-xl);
  border: none;
  cursor: pointer;
  box-shadow: var(--shadow-cta);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  text-align: center;
  letter-spacing: 0.03em;
}
.btn-cta::after {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: inherit;
  background: var(--c-gradient-cta);
  z-index: -1;
  animation: cta-pulse 2.5s ease-in-out infinite;
}
@keyframes cta-pulse {
  0%, 100% { transform: scale(1); opacity: 0; }
  50% { transform: scale(1.06); opacity: 0.4; }
}
.btn-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(255, 107, 43, 0.45);
}
.cta-note {
  margin-top: var(--sp-xs);
  font-size: var(--f-size-xs);
  color: var(--c-red);
  font-weight: 700;
}
.section--dark .cta-note {
  color: var(--c-gold);
}

/* --- Important Alert Box --- */
.alert-box {
  background: linear-gradient(135deg, #FFF5F5 0%, #FFF0F0 100%);
  border: 3px solid var(--c-red);
  border-radius: var(--radius-lg);
  padding: var(--sp-lg);
  text-align: center;
}
.alert-box__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  background: var(--c-red);
  color: var(--c-text-white);
  font-size: var(--f-size-xl);
  font-weight: 900;
  padding: 0.35em 1.2em;
  border-radius: var(--radius-sm);
  margin-bottom: var(--sp-sm);
}
.alert-box__text {
  font-size: var(--f-size-md);
  font-weight: 700;
  line-height: var(--f-line-loose);
}
.alert-box__note {
  margin-top: var(--sp-sm);
  font-size: var(--f-size-sm);
  color: var(--c-text-sub);
}

/* --- Pain Points --- */
.pain-list {
  display: flex;
  flex-direction: column;
  gap: var(--sp-sm);
}
.pain-list__item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  background: var(--c-bg-card);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  padding: var(--sp-sm) var(--sp-md);
  font-weight: 500;
  font-size: var(--f-size-base);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.pain-list__item:hover {
  border-color: var(--c-accent);
  box-shadow: var(--shadow-md);
  transform: translateX(4px);
}
.pain-list__icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  background: var(--c-gradient-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 14px;
  margin-top: 2px;
}
.pain-conclude {
  text-align: center;
  margin-top: var(--sp-xl);
  font-size: var(--f-size-lg);
  font-weight: 700;
  color: var(--c-accent);
  line-height: var(--f-line-normal);
}

/* --- Benefit Cards (1-2-3) --- */
.benefit-grid {
  display: grid;
  gap: var(--sp-lg);
}
.benefit-card {
  background: var(--c-bg-card);
  border-radius: var(--radius-lg);
  padding: var(--sp-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--c-border);
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}
.benefit-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.benefit-card__number {
  position: absolute;
  top: -8px;
  left: var(--sp-md);
  font-size: 4rem;
  font-weight: 900;
  color: rgba(201, 26, 71, 0.06);
  line-height: 1;
}
.benefit-card__title {
  font-size: var(--f-size-lg);
  font-weight: 900;
  margin-bottom: var(--sp-xs);
  color: var(--c-text);
}
.benefit-card__desc {
  font-size: var(--f-size-sm);
  line-height: var(--f-line-loose);
  color: var(--c-text-sub);
}
.benefit-card__img {
  margin-top: var(--sp-sm);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.benefit-card__img img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: contain;
  background: #fff;
}

/* --- About Section --- */
.about-block {
  display: grid;
  gap: var(--sp-lg);
}
.about-block__images {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  border-radius: var(--radius-md);
  overflow: hidden;
}
.about-block__images img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: contain;
  background: #fff;
}
.about-block__text h3 {
  font-size: var(--f-size-xl);
  font-weight: 900;
  margin-bottom: var(--sp-sm);
}
.about-block__text p {
  line-height: var(--f-line-loose);
  color: var(--c-text-sub);
}
.about-block__text .highlight-text {
  color: var(--c-accent);
  font-weight: 700;
}

/* --- Detail Content --- */
.detail-section {
  margin-bottom: var(--sp-2xl);
}
.detail-section__header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: var(--sp-md);
}
.detail-section__num {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  background: var(--c-gradient-accent);
  border-radius: 50%;
  color: #fff;
  font-weight: 900;
  font-size: var(--f-size-lg);
  display: flex;
  align-items: center;
  justify-content: center;
}
.detail-section__title {
  font-size: var(--f-size-lg);
  font-weight: 900;
}
.detail-section__body {
  font-size: var(--f-size-base);
  line-height: var(--f-line-loose);
  color: var(--c-text-sub);
}
.detail-section__body strong {
  color: var(--c-text);
}
.detail-section__body .accent {
  color: var(--c-accent);
  font-weight: 700;
}
.detail-section__gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
  margin: var(--sp-md) 0;
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.detail-section__gallery img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: contain;
  background: #fff;
}

.detail-section__body img {
  width: 100%;
  height: auto;
  object-fit: contain;
}

/* --- Testimonial --- */
.testimonial {
  background: var(--c-bg-card);
  border-radius: var(--radius-lg);
  padding: var(--sp-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--c-border);
}
.testimonial__header {
  display: flex;
  align-items: center;
  gap: var(--sp-sm);
  margin-bottom: var(--sp-md);
}
.testimonial__avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--c-border);
}
.testimonial__name {
  font-size: var(--f-size-base);
  font-weight: 700;
}
.testimonial__role {
  font-size: var(--f-size-sm);
  color: var(--c-text-sub);
}
.testimonial__body {
  font-size: var(--f-size-sm);
  line-height: var(--f-line-loose);
  color: var(--c-text-sub);
}
.testimonial__body strong {
  color: var(--c-text);
}
.testimonial__body em {
  font-style: normal;
}
.testimonial__body .qa {
  font-weight: 700;
  color: var(--c-accent);
  margin-top: var(--sp-sm);
  display: block;
}

/* --- Video --- */
.video-wrap {
  position: relative;
  padding-bottom: 56.25%;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.video-wrap iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

/* --- Curriculum --- */
.curriculum-block {
  background: var(--c-bg-card);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: var(--sp-md);
}
.curriculum-block__header {
  background: var(--c-bg-dark);
  color: var(--c-text-white);
  padding: var(--sp-sm) var(--sp-md);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.curriculum-block__tag {
  background: var(--c-gradient-gold);
  color: var(--c-bg-dark);
  font-size: var(--f-size-xs);
  font-weight: 900;
  padding: 0.2em 0.7em;
  border-radius: 4px;
}
.curriculum-block__name {
  font-weight: 700;
  font-size: var(--f-size-base);
}
.curriculum-block__time {
  font-size: var(--f-size-xs);
  opacity: 0.7;
  margin-left: auto;
}
.curriculum-block__body {
  padding: var(--sp-md);
}
.curriculum-list {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.curriculum-list li {
  font-size: var(--f-size-sm);
  padding: 0.4rem 0;
  border-bottom: 1px solid rgba(0,0,0,0.04);
  padding-left: 1.2em;
  position: relative;
}
.curriculum-list li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--c-accent);
  font-weight: 700;
}

/* --- Instructor --- */
.instructor-card {
  background: var(--c-bg-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--c-border);
  margin-bottom: var(--sp-lg);
}
.instructor-card__image {
  height: 220px;
  overflow: hidden;
}
.instructor-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.instructor-card__body {
  padding: var(--sp-lg);
}
.instructor-card__name {
  font-size: var(--f-size-xl);
  font-weight: 900;
  margin-bottom: 0.3rem;
}
.instructor-card__title {
  font-size: var(--f-size-sm);
  color: var(--c-accent);
  font-weight: 700;
  margin-bottom: var(--sp-sm);
}
.instructor-card__bio {
  font-size: var(--f-size-sm);
  line-height: var(--f-line-loose);
  color: var(--c-text-sub);
}

/* --- Bonus / Benefits --- */
.bonus-card {
  background: var(--c-bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--c-border);
  padding: var(--sp-lg);
  margin-bottom: var(--sp-md);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.bonus-card:hover {
  box-shadow: var(--shadow-md);
}
.bonus-card__number {
  display: inline-block;
  background: var(--c-gradient-gold);
  color: var(--c-bg-dark);
  font-size: var(--f-size-xs);
  font-weight: 900;
  padding: 0.25em 0.8em;
  border-radius: 4px;
  margin-bottom: var(--sp-xs);
}
.bonus-card__title {
  font-size: var(--f-size-base);
  font-weight: 900;
  margin-bottom: var(--sp-xs);
}
.bonus-card__desc {
  font-size: var(--f-size-sm);
  color: var(--c-text-sub);
  line-height: var(--f-line-loose);
}
.bonus-card__desc li {
  padding: 0.2rem 0;
  padding-left: 1em;
  position: relative;
}
.bonus-card__desc li::before {
  content: '・';
  position: absolute;
  left: 0;
}

/* --- Pricing / Schedule --- */
.pricing-section {
  background: var(--c-gradient-hero);
  color: var(--c-text-white);
}
.pricing-table {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  padding: var(--sp-lg);
  backdrop-filter: blur(8px);
}
.pricing-table__row {
  display: flex;
  align-items: baseline;
  padding: var(--sp-xs) 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  gap: 0.5rem;
}
.pricing-table__row:last-child {
  border-bottom: none;
}
.pricing-table__label {
  font-size: var(--f-size-sm);
  font-weight: 700;
  color: var(--c-gold);
  flex-shrink: 0;
  min-width: 80px;
}
.pricing-table__value {
  font-size: var(--f-size-sm);
  color: rgba(255,255,255,0.85);
}
.pricing-table__value strong {
  color: #fff;
}
.pricing-table__price {
  font-size: var(--f-size-2xl);
  font-weight: 900;
  color: var(--c-gold);
  text-align: center;
  margin: var(--sp-md) 0;
}
.pricing-table__price small {
  font-size: var(--f-size-base);
  font-weight: 500;
  opacity: 0.7;
}
.schedule-slot {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: var(--sp-sm);
  background: rgba(255,255,255,0.04);
  border-radius: var(--radius-md);
  margin-bottom: 0.5rem;
}
.schedule-slot--soldout {
  opacity: 0.5;
  text-decoration: line-through;
}
.schedule-slot__badge {
  font-size: var(--f-size-xs);
  font-weight: 700;
  padding: 0.2em 0.6em;
  border-radius: 4px;
  flex-shrink: 0;
}
.schedule-slot__badge--open {
  background: var(--c-green);
  color: #fff;
}
.schedule-slot__badge--sold {
  background: rgba(255,255,255,0.15);
  color: rgba(255,255,255,0.5);
}
.schedule-slot__text {
  font-size: var(--f-size-sm);
}

/* --- FAQ --- */
.faq-item {
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  margin-bottom: var(--sp-sm);
  overflow: hidden;
  background: var(--c-bg-card);
}
.faq-item__q {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: var(--sp-md);
  font-weight: 700;
  cursor: pointer;
  user-select: none;
  transition: var(--transition);
}
.faq-item__q:hover {
  background: var(--c-bg-light);
}
.faq-item__q-badge {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  background: var(--c-gradient-accent);
  color: var(--c-text-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--f-size-xs);
  font-weight: 900;
}
.faq-item__q-text {
  font-size: var(--f-size-sm);
  flex: 1;
}
.faq-item__q-arrow {
  flex-shrink: 0;
  transition: var(--transition);
  font-size: 0.75rem;
  opacity: 0.4;
}
.faq-item.is-open .faq-item__q-arrow {
  transform: rotate(180deg);
}
.faq-item__a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}
.faq-item.is-open .faq-item__a {
  max-height: 600px;
}
.faq-item__a-inner {
  padding: 0 var(--sp-md) var(--sp-md);
  font-size: var(--f-size-sm);
  line-height: var(--f-line-loose);
  color: var(--c-text-sub);
}
.faq-item__a-inner strong {
  color: var(--c-text);
}

/* --- Footer --- */
.footer {
  background: var(--c-bg-dark);
  color: rgba(255,255,255,0.6);
  padding: var(--sp-2xl) 0 var(--sp-lg);
  font-size: var(--f-size-sm);
  line-height: var(--f-line-loose);
}
.footer__logo {
  margin-bottom: var(--sp-md);
}
.footer__logo img {
  height: 32px;
}
.footer__desc {
  margin-bottom: var(--sp-lg);
}
.footer__info p {
  margin-bottom: 0.3rem;
}
.footer__copy {
  margin-top: var(--sp-xl);
  padding-top: var(--sp-sm);
  border-top: 1px solid rgba(255,255,255,0.06);
  text-align: center;
  font-size: var(--f-size-xs);
  color: rgba(255,255,255,0.3);
}
.footer a {
  color: rgba(255,255,255,0.8);
  transition: var(--transition);
}
.footer a:hover {
  color: var(--c-gold);
}

/* --- Scroll Animations --- */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.fade-in-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-in-left.is-visible {
  opacity: 1;
  transform: translateX(0);
}
.fade-in-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-in-right.is-visible {
  opacity: 1;
  transform: translateX(0);
}

/* --- Photo Grids --- */
.photo-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  border-radius: var(--radius-md);
  overflow: hidden;
}
.photo-grid img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: contain;
  background: #fff;
}
.photo-grid--4 {
  grid-template-columns: repeat(2, 1fr);
}
.photo-grid--4 img {
  aspect-ratio: 3 / 4;
}

.result-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
  margin-top: var(--sp-md);
  text-align: center;
}

/* --- Special Feature Block --- */
.feature-highlight {
  background: var(--c-bg-warm);
  border-radius: var(--radius-lg);
  padding: var(--sp-lg);
  border-left: 4px solid var(--c-accent);
}
.feature-highlight__title {
  font-size: var(--f-size-lg);
  font-weight: 900;
  margin-bottom: var(--sp-sm);
  color: var(--c-accent);
}
.feature-highlight__body {
  font-size: var(--f-size-sm);
  line-height: var(--f-line-loose);
  color: var(--c-text-sub);
}

/* --- Scroll-to-top --- */
.scroll-top {
  display: inline-block;
  background: rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.5);
  padding: 0.5rem 1.2rem;
  border-radius: var(--radius-sm);
  font-size: var(--f-size-sm);
  transition: var(--transition);
  border: 1px solid rgba(255,255,255,0.1);
}
.scroll-top:hover {
  background: rgba(255,255,255,0.15);
  color: #fff;
}

/* --- Responsive (Desktop) --- */
@media (min-width: 768px) {
  :root {
    --sp-section: 5rem;
    --content-pad: 2rem;
  }
  .hero__title { font-size: var(--f-size-4xl); }
  .section-heading__title { font-size: var(--f-size-3xl); }
  .hero__images img { aspect-ratio: 16 / 9; }
  .hero__images img:first-child { aspect-ratio: 21 / 9; }
  .benefit-grid { grid-template-columns: repeat(3, 1fr); }
  .benefit-card__img img { aspect-ratio: 16 / 9; }
  .detail-section__gallery img { aspect-ratio: 16 / 10; }
  .photo-grid img { aspect-ratio: 16 / 10; }
  .photo-grid--4 img { aspect-ratio: 3 / 4; }
}

@media (max-width: 767px) {
  .detail-section__gallery {
    grid-template-columns: 1fr;
  }

  .photo-grid,
  .photo-grid--4 {
    grid-template-columns: 1fr;
  }

  .result-stats {
    grid-template-columns: 1fr;
    gap: var(--sp-sm);
  }

  .hero__stats {
    gap: var(--sp-sm);
  }

  .curriculum-block__time {
    margin-left: 0;
    width: 100%;
  }
}