/* =============================================
   ソーシャルペン — SocialPen SMM Copywriting
   vast-grass-539.css
   ============================================= */

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

:root {
  --bg: #2a315e;
  --bg-dark: #1C223F;
  --gold: #e1be5a;
  --gold-alt: #e2bf5a;
  --white: #ffffff;
  --footer-dark: #333333;
  --footer-bottom: #1C223F;
  --text-muted: rgba(255,255,255,0.7);
  --radius: 4px;
  --transition: 0.3s ease;
}

html { scroll-behavior: smooth; }

body {
  background-color: var(--bg);
  color: var(--white);
  font-family: 'Noto Sans JP', 'Open Sans', sans-serif;
  font-size: 16px;
  line-height: 1.7;
}

a { color: var(--gold); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--white); }
img { max-width: 100%; display: block; }
ul { list-style: none; }

/* ---- TYPOGRAPHY ---- */
h1, h2, h3, h4, h5 {
  font-family: 'Noto Sans JP', sans-serif;
  line-height: 1.3;
  color: var(--gold);
}
h1 { font-size: clamp(28px, 5vw, 52px); font-weight: 700; }
h2 { font-size: clamp(22px, 3.5vw, 36px); font-weight: 700; }
h3 { font-size: clamp(18px, 2.5vw, 24px); font-weight: 600; }
h4 { font-size: 18px; font-weight: 600; }

p { margin-bottom: 1em; color: var(--white); }
p:last-child { margin-bottom: 0; }

.section-label {
  font-size: 12px;
  letter-spacing: 6px;
  text-transform: uppercase;
  color: var(--gold);
  display: block;
  margin-bottom: 12px;
}

/* ---- LAYOUT ---- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: 80px 0; }
.section--dark { background-color: var(--bg-dark); }
.section--darker { background-color: #171d38; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

/* ---- BUTTONS ---- */
.btn {
  display: inline-block;
  padding: 14px 36px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  border: 2px solid var(--white);
  background-color: var(--gold);
  color: var(--bg-dark);
  cursor: pointer;
  transition: background-color var(--transition), color var(--transition);
  font-family: inherit;
}
.btn:hover { background-color: var(--bg-dark); color: var(--white); }
.btn--outline {
  background-color: transparent;
  color: var(--gold);
  border-color: var(--gold);
}
.btn--outline:hover { background-color: var(--gold); color: var(--bg-dark); }

/* ---- NAV ---- */
.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background-color: rgba(26, 31, 60, 0.97);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(225, 190, 90, 0.2);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}
.nav-logo svg { width: 44px; height: 44px; }
.nav-logo-text { font-size: 20px; font-weight: 700; color: var(--gold); letter-spacing: 1px; }
.nav-menu { display: flex; gap: 36px; }
.nav-menu a {
  font-size: 13px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--white);
  font-weight: 500;
  transition: color var(--transition);
}
.nav-menu a:hover, .nav-menu a.active { color: var(--gold); }
.nav-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}
.nav-burger span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--gold);
  transition: var(--transition);
}

/* ---- HERO ---- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: 72px;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('../gallery/hero.webp');
  background-size: cover;
  background-position: center;
  filter: brightness(0.35);
  z-index: 0;
}
.hero-content {
  position: relative;
  z-index: 1;
  max-width: 720px;
}
.hero h1 { margin-bottom: 24px; color: var(--white); }
.hero h1 span { color: var(--gold); }
.hero p { font-size: 18px; color: rgba(255,255,255,0.85); margin-bottom: 40px; max-width: 560px; }
.hero-btns { display: flex; gap: 16px; flex-wrap: wrap; }

/* ---- FEATURES ---- */
.feature-card {
  background-color: rgba(255,255,255,0.04);
  border: 1px solid rgba(225,190,90,0.2);
  border-radius: var(--radius);
  padding: 36px 28px;
  transition: border-color var(--transition), transform var(--transition);
}
.feature-card:hover { border-color: var(--gold); transform: translateY(-4px); }
.feature-card .icon {
  width: 52px;
  height: 52px;
  background-color: rgba(225,190,90,0.15);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 22px;
  color: var(--gold);
}
.feature-card h3 { margin-bottom: 12px; font-size: 18px; }
.feature-card p { font-size: 15px; color: var(--text-muted); margin-bottom: 0; }

/* ---- ABOUT ---- */
.about-img {
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
}
.about-img img { width: 100%; height: 480px; object-fit: cover; }
.about-img::after {
  content: '';
  position: absolute;
  inset: 0;
  border: 3px solid var(--gold);
  border-radius: var(--radius);
  pointer-events: none;
  transform: translate(10px,10px);
}
.about-text { padding-left: 20px; }
.about-text h2 { margin-bottom: 20px; }
.about-text p { color: rgba(255,255,255,0.85); margin-bottom: 16px; }
.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 36px;
  padding-top: 36px;
  border-top: 1px solid rgba(225,190,90,0.25);
}
.stat-num { font-size: 36px; font-weight: 700; color: var(--gold); line-height: 1; }
.stat-label { font-size: 13px; color: var(--text-muted); margin-top: 4px; }

/* ---- COURSES ---- */
.course-card {
  background-color: var(--bg-dark);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid rgba(225,190,90,0.15);
  transition: transform var(--transition), border-color var(--transition);
}
.course-card:hover { transform: translateY(-6px); border-color: var(--gold); }
.course-card-img { height: 200px; overflow: hidden; }
.course-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.course-card:hover .course-card-img img { transform: scale(1.05); }
.course-card-body { padding: 24px; }
.course-tag {
  font-size: 11px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 10px;
  display: block;
}
.course-card h3 { font-size: 18px; margin-bottom: 10px; }
.course-card p { font-size: 14px; color: var(--text-muted); margin-bottom: 20px; }
.course-price {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.price-val { font-size: 22px; font-weight: 700; color: var(--gold); }
.price-currency { font-size: 13px; color: var(--text-muted); margin-left: 4px; }

/* ---- GALLERY ---- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  aspect-ratio: 4/3;
  cursor: pointer;
}
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.gallery-item:hover img { transform: scale(1.08); }
.gallery-overlay {
  position: absolute;
  inset: 0;
  background: rgba(26,31,60,0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition);
}
.gallery-overlay i { font-size: 28px; color: var(--gold); }
.gallery-item:hover .gallery-overlay { opacity: 1; }
.gallery-item--wide { grid-column: span 2; }

/* ---- TESTIMONIALS ---- */
.testimonials-section { text-align: center; }
.testimonials-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; margin-top: 48px; }
.testimonial-card {
  background-color: rgba(255,255,255,0.04);
  border: 1px solid rgba(225,190,90,0.15);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: left;
}
.testimonial-stars { color: var(--gold); margin-bottom: 16px; font-size: 14px; letter-spacing: 3px; }
.testimonial-text { font-size: 15px; color: rgba(255,255,255,0.8); margin-bottom: 20px; font-style: italic; }
.testimonial-author { display: flex; align-items: center; gap: 12px; }
.author-avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  background-color: var(--gold);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700;
  color: var(--bg-dark);
  font-size: 16px;
  flex-shrink: 0;
}
.author-name { font-weight: 600; font-size: 14px; color: var(--white); }
.author-role { font-size: 12px; color: var(--text-muted); }

/* ---- SECTION HEADING ---- */
.section-heading { text-align: center; margin-bottom: 56px; }
.section-heading h2 { margin-bottom: 12px; }
.section-heading p { max-width: 560px; margin: 0 auto; color: var(--text-muted); font-size: 16px; }
.gold-line {
  width: 60px; height: 3px;
  background-color: var(--gold);
  margin: 16px auto 0;
}

/* ---- FORM ---- */
.form-section { background-color: var(--bg-dark); }
.form-wrap { max-width: 680px; margin: 0 auto; }
.form-wrap h2 { text-align: center; margin-bottom: 8px; }
.form-wrap > p { text-align: center; color: var(--text-muted); margin-bottom: 40px; }
.form-group { margin-bottom: 24px; }
.form-group label {
  display: block;
  font-size: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 8px;
  font-family: inherit;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--white);
  color: var(--white);
  font-size: 15px;
  padding: 10px 0;
  outline: none;
  font-family: inherit;
  transition: border-color var(--transition);
}
.form-group input:focus,
.form-group textarea:focus { border-bottom-color: var(--gold); }
.form-group textarea { resize: none; height: 100px; }
.form-group select { cursor: pointer; }
.form-group select option { background-color: var(--bg-dark); color: var(--white); }
.form-submit { text-align: center; margin-top: 36px; }
.form-submit .btn { min-width: 200px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 32px; }

/* ---- CONTACT INFO ---- */
.contact-info-block { padding: 40px 0; }
.contact-info-item { display: flex; align-items: flex-start; gap: 16px; margin-bottom: 24px; }
.contact-info-item .icon {
  width: 44px; height: 44px;
  background: rgba(225,190,90,0.12);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--gold);
  font-size: 18px;
  flex-shrink: 0;
}
.contact-info-item h4 { font-size: 13px; letter-spacing: 2px; text-transform: uppercase; margin-bottom: 4px; }
.contact-info-item p { margin: 0; font-size: 15px; color: rgba(255,255,255,0.85); }
.contact-info-item a { color: var(--gold-alt); }
.contact-info-item a:hover { color: var(--white); }

/* ---- FOOTER ---- */
.site-footer { background-color: var(--footer-dark); border-top: 1px solid #3a3a3a; }
.footer-top { padding: 60px 0 40px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; }
.footer-brand h3 { color: var(--gold); margin-bottom: 14px; font-size: 18px; }
.footer-brand p { font-size: 14px; color: rgba(255,255,255,0.6); line-height: 1.8; }
.footer-col h4 { font-size: 12px; letter-spacing: 3px; text-transform: uppercase; color: var(--gold); margin-bottom: 18px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { font-size: 14px; color: rgba(255,255,255,0.6); transition: color var(--transition); }
.footer-col ul li a:hover { color: var(--gold); }
.footer-social { display: flex; gap: 14px; margin-top: 20px; }
.footer-social a {
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 1px solid rgba(225,190,90,0.3);
  display: flex; align-items: center; justify-content: center;
  color: var(--white);
  font-size: 14px;
  transition: background-color var(--transition), border-color var(--transition);
}
.footer-social a:hover { background-color: var(--gold); border-color: var(--gold); color: var(--bg-dark); }
.footer-bottom {
  background-color: var(--footer-bottom);
  padding: 18px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255,255,255,0.5);
  border-top: 1px solid rgba(255,255,255,0.08);
}
.footer-bottom-links { display: flex; gap: 24px; justify-content: center; flex-wrap: wrap; }
.footer-bottom-links a { color: rgba(255,255,255,0.5); font-size: 12px; }
.footer-bottom-links a:hover { color: var(--gold); }

/* ---- COOKIES GDPR ---- */
#cookie-banner {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 9999;
  background-color: var(--bg-dark);
  border-top: 2px solid var(--gold);
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  transform: translateY(100%);
  transition: transform 0.4s ease;
}
#cookie-banner.show { transform: translateY(0); }
#cookie-banner p { margin: 0; font-size: 14px; color: rgba(255,255,255,0.8); }
#cookie-banner p a { color: var(--gold); }
.cookie-btns { display: flex; gap: 12px; flex-shrink: 0; }
.cookie-btns button {
  padding: 10px 24px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1px;
  cursor: pointer;
  border: 2px solid var(--gold);
  font-family: inherit;
  transition: var(--transition);
}
#cookie-accept {
  background-color: var(--gold);
  color: var(--bg-dark);
}
#cookie-accept:hover { background-color: transparent; color: var(--gold); }
#cookie-decline {
  background-color: transparent;
  color: var(--gold);
}
#cookie-decline:hover { background-color: rgba(225,190,90,0.1); }

/* ---- PAGE BANNER (inner pages) ---- */
.page-banner {
  padding: 140px 0 70px;
  text-align: center;
  position: relative;
  background-image: url('../gallery/hero.webp');
  background-size: cover;
  background-position: center;
}
.page-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(26,31,60,0.82);
}
.page-banner-content { position: relative; z-index: 1; }
.page-banner h1 { color: var(--white); margin-bottom: 12px; }
.page-banner p { color: rgba(255,255,255,0.7); font-size: 16px; }
.breadcrumb {
  display: flex; align-items: center; justify-content: center;
  gap: 8px; margin-top: 16px;
  font-size: 13px; color: var(--text-muted);
}
.breadcrumb a { color: var(--gold); }
.breadcrumb i { font-size: 10px; }

/* ---- PROSE (legal pages) ---- */
.prose { max-width: 820px; margin: 0 auto; }
.prose h2 { font-size: 22px; margin-top: 40px; margin-bottom: 12px; }
.prose h3 { font-size: 18px; margin-top: 28px; margin-bottom: 10px; color: var(--gold-alt); }
.prose p { color: rgba(255,255,255,0.82); margin-bottom: 16px; font-size: 15px; line-height: 1.8; }
.prose ul { margin: 0 0 16px 20px; list-style: disc; }
.prose ul li { color: rgba(255,255,255,0.82); font-size: 15px; margin-bottom: 8px; line-height: 1.7; }
.prose a { color: var(--gold); }
.prose strong { color: var(--white); }

/* ---- GOLD DIVIDER ---- */
.gold-divider {
  width: 80px; height: 2px;
  background: var(--gold);
  margin: 0 auto 40px;
}

/* ---- FAQ ACCORDION ---- */
.faq-item {
  border-bottom: 1px solid rgba(225,190,90,0.2);
  padding: 20px 0;
}
.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  color: var(--white);
  font-size: 16px;
  font-weight: 600;
  gap: 16px;
}
.faq-question i { color: var(--gold); transition: transform var(--transition); flex-shrink: 0; }
.faq-item.open .faq-question i { transform: rotate(180deg); }
.faq-answer {
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.4s ease, padding 0.3s ease;
}
.faq-item.open .faq-answer { max-height: 300px; }
.faq-answer p { padding-top: 14px; color: var(--text-muted); font-size: 15px; margin: 0; }

/* ---- RESPONSIVE ---- */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .section { padding: 60px 0; }
  .grid-2 { grid-template-columns: 1fr; gap: 40px; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr 1fr; }
  .gallery-item--wide { grid-column: span 1; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .form-grid { grid-template-columns: 1fr; }
  .nav-menu { display: none; flex-direction: column; gap: 0; }
  .nav-menu.open {
    display: flex;
    position: absolute;
    top: 72px; left: 0; right: 0;
    background-color: rgba(26,31,60,0.98);
    padding: 16px 24px 24px;
    border-bottom: 2px solid rgba(225,190,90,0.2);
  }
  .nav-menu.open a { padding: 12px 0; border-bottom: 1px solid rgba(255,255,255,0.05); font-size: 14px; }
  .nav-burger { display: flex; }
  .about-text { padding-left: 0; }
  #cookie-banner { flex-direction: column; text-align: center; }
  .footer-bottom-links { gap: 14px; }
  .about-stats { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
  h1 { font-size: 28px; }
  .hero-btns { flex-direction: column; }
  .hero-btns .btn { text-align: center; }
  .gallery-grid { grid-template-columns: 1fr; }
  .about-stats { grid-template-columns: 1fr; }
}