/* ===== HERO ===== */
.hero {
  padding: 80px 24px 72px;
  text-align: center;
  position: relative; overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 15% 50%, rgba(255,107,157,0.14) 0%, transparent 55%),
    radial-gradient(ellipse at 85% 20%, rgba(78,143,214,0.11) 0%, transparent 50%),
    radial-gradient(ellipse at 55% 85%, rgba(255,212,79,0.09) 0%, transparent 45%);
  pointer-events: none;
}

.hero-eyebrow {
  display: inline-block;
  background: var(--pink-light);
  color: var(--pink);
  font-size: 12px; font-weight: 800;
  padding: 5px 18px; border-radius: 20px;
  margin-bottom: 28px; letter-spacing: 0.06em;
}

.hero-title {
  margin-bottom: 22px;
  position: relative; z-index: 1;
}
.hero-logo-img {
  max-width: min(340px, 72vw);
  height: auto;
  display: block;
  margin: 0 auto;
}

.hero-tagline {
  font-size: clamp(16px, 2.8vw, 22px);
  font-weight: 700; color: var(--text-mid);
  max-width: 540px; margin: 0 auto 16px;
  position: relative; z-index: 1;
  text-wrap: balance;
}
.hero-desc {
  font-size: 14px; color: var(--text-light);
  max-width: 560px; margin: 0 auto 44px;
  position: relative; z-index: 1;
}

.hero-cta {
  display: flex; gap: 12px; justify-content: center; flex-wrap: wrap;
  margin-bottom: 52px; position: relative; z-index: 1;
}
.btn-primary {
  background: linear-gradient(135deg, var(--pink), #FF9EC5);
  color: #fff;
  padding: 16px 44px; border-radius: 50px;
  font-size: 17px; font-weight: 900;
  box-shadow: 0 6px 24px rgba(255,107,157,0.4);
  transition: all 0.25s; display: inline-block;
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 36px rgba(255,107,157,0.5);
  text-decoration: none;
}
.btn-secondary {
  background: white;
  color: var(--pink);
  border: 2.5px solid var(--pink-light);
  padding: 14px 32px; border-radius: 50px;
  font-size: 15px; font-weight: 800;
  transition: all 0.25s; display: inline-block;
}
.btn-secondary:hover {
  background: var(--pink-pale);
  transform: translateY(-1px);
  text-decoration: none;
}

.hero-tech-badges {
  display: flex; gap: 8px; flex-wrap: wrap; justify-content: center;
  position: relative; z-index: 1;
}
.tech-badge {
  background: white;
  border: 2px solid var(--pink-light);
  color: var(--text-mid);
  font-size: 11px; font-weight: 700;
  padding: 4px 12px; border-radius: 10px;
}

/* ===== SECTION BASE ===== */
.section { padding: 72px 24px; }
.section-alt { background: linear-gradient(180deg, #FFF0F6 0%, #F5F0FF 100%); }
.wrap { max-width: 960px; margin: 0 auto; }

.section-header { text-align: center; margin-bottom: 48px; }
.section-label {
  display: inline-block;
  background: var(--pink-light); color: var(--pink);
  font-size: 11px; font-weight: 800;
  padding: 4px 14px; border-radius: 10px;
  letter-spacing: 0.1em; text-transform: uppercase;
  margin-bottom: 12px;
}
.section-label.blue { background: var(--blue-light); color: var(--blue); }
.section-label.yellow { background: #FFF6D6; color: #9A7800; }
.section-title {
  font-size: clamp(24px, 4vw, 36px);
  font-weight: 900; margin-bottom: 12px;
}
.section-desc {
  color: var(--text-mid); font-size: 15px; max-width: 520px; margin: 0 auto;
}

/* ===== PRIVACY BANNER ===== */
.privacy-banner {
  padding: 0 24px 48px;
}
.privacy-inner {
  max-width: 720px; margin: 0 auto;
  display: flex; align-items: flex-start; gap: 20px;
  background: var(--white);
  border: 2px solid var(--blue-light);
  border-radius: var(--radius);
  padding: 28px 32px;
}
.privacy-icon {
  flex-shrink: 0;
  color: var(--blue);
  margin-top: 2px;
}
.privacy-text h3 {
  font-size: 18px; font-weight: 900; color: var(--text);
  margin-bottom: 6px;
}
.privacy-text p {
  font-size: 13px; color: var(--text-mid); line-height: 1.8; margin: 0;
}

/* ===== VIDEO PV ===== */
.video-wrap {
  max-width: 640px; margin: 0 auto;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 2px solid var(--pink-light);
}
.video-placeholder {
  aspect-ratio: 16/9;
  background: linear-gradient(135deg, #FFD6E8, #DDE8FF);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 10px;
}
.play-ico {
  width: 52px; height: 52px; border-radius: 50%;
  background: rgba(255,255,255,0.75);
  display: flex; align-items: center; justify-content: center;
}
.play-ico svg { width: 22px; height: 22px; fill: var(--pink); margin-left: 2px; }
.video-placeholder p { font-size: 14px; font-weight: 700; color: var(--text-mid); }

/* ===== FEATURES ===== */
/* ===== FEATURE SHOWCASE (交互レイアウト) ===== */
.features-showcase {
  margin-bottom: 0;
}
.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
  padding: 48px 0;
  border-bottom: 1px solid var(--border);
}
.feature-row:last-child { border-bottom: none; }
/* .feature-row-rev は HTML の DOM 順が media→text なのでCSS不要 */
.feature-row-text h3 {
  font-size: 26px; font-weight: 900; color: var(--text);
  margin-bottom: 14px; line-height: 1.3;
}
.feature-row-text p {
  font-size: 14px; color: var(--text-mid); line-height: 1.8; margin: 0;
}
.feature-note {
  display: block; margin-top: 10px;
  font-size: 11px; color: var(--text-light); line-height: 1.6;
}
.feature-row-media {
  background: linear-gradient(160deg, var(--pink-pale), var(--blue-light));
  border-radius: 16px;
  overflow: hidden;
}
.feature-row-media img { width: 100%; height: auto; display: block; }
.feature-gif-ph {
  width: 100%; aspect-ratio: 16/9;
  display: flex; align-items: center; justify-content: center;
}
.feature-gif-ph span { font-size: 13px; color: var(--text-light); font-weight: 700; }

/* ===== TARGET ===== */
.target-list {
  list-style: none; display: flex; flex-direction: column; gap: 12px;
  max-width: 640px; margin: 0 auto;
}
.target-list li {
  display: flex; align-items: baseline; gap: 12px;
  font-size: 15px; color: var(--text-mid);
}
.target-list li::before {
  content: '';
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--pink); flex-shrink: 0;
  margin-top: 7px;
}

/* ===== SAMPLES ===== */
.samples-note {
  background: #FFFBEA;
  border: 2px solid var(--yellow);
  border-radius: 12px;
  padding: 11px 18px;
  font-size: 13px; font-weight: 700; color: #7A6500;
  margin-bottom: 36px; text-align: center;
}
.samples-lang-block { margin-bottom: 48px; }
.samples-lang-block:last-child { margin-bottom: 0; }
.samples-category { margin-bottom: 28px; }
.samples-category:last-child { margin-bottom: 0; }
.samples-category-heading {
  font-size: 13px; font-weight: 800; letter-spacing: .04em;
  color: var(--text-mid); text-transform: uppercase;
  margin-bottom: 12px; padding-left: 2px;
}
.sample-meta {
  margin-bottom: 12px; display: flex; flex-direction: column; gap: 3px;
}
.meta-label { font-size: 11px; font-weight: 700; color: var(--text-light); }
.meta-value { font-size: 11px; color: var(--text-mid); margin-left: 4px; }
.samples-lang-heading {
  font-size: 18px; font-weight: 900; color: var(--text);
  margin-bottom: 20px;
  display: flex; align-items: center; gap: 12px;
}
.samples-lang-heading::after {
  content: ''; flex: 1; height: 2px;
  background: linear-gradient(90deg, var(--pink-light), transparent);
}
.samples-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
}
.sample-card {
  background: white; border: 2px solid var(--border);
  border-radius: 16px; padding: 20px;
  transition: all 0.2s;
}
.sample-card:hover { box-shadow: var(--shadow); border-color: var(--pink-light); }
.sample-card-title {
  font-size: 14px; font-weight: 800; color: var(--text);
  margin-bottom: 14px;
}
.sample-card-sub {
  font-size: 12px; font-weight: 600; color: var(--text-mid);
}
.ba-tabs { display: flex; gap: 6px; margin-bottom: 10px; }
.ba-tab {
  flex: 1; padding: 7px 4px; border-radius: 8px;
  font-size: 12px; font-weight: 700;
  border: 2px solid var(--border);
  background: white; color: var(--text-mid);
  cursor: pointer; transition: all 0.15s; font-family: inherit;
}
.ba-tab.active { background: var(--pink-light); color: var(--pink); border-color: var(--pink); }
.sample-audio {
  width: 100%; accent-color: var(--pink);
  display: none; margin-top: 4px;
}
.sample-audio.visible { display: block; }

/* ===== FUNCLIST ===== */
.funclist-section {
  background: var(--bg);
  border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
  padding: 40px 0;
}
.funclist-header {
  display: flex; align-items: center; gap: 14px; margin-bottom: 24px;
}
.funclist-title {
  font-size: 15px; font-weight: 800; color: var(--text);
}
.funclist-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
}
.funclist-cat-heading {
  font-size: 11px; font-weight: 800; letter-spacing: .06em;
  text-transform: uppercase; color: var(--pink);
  padding-bottom: 7px; margin-bottom: 8px;
  border-bottom: 1.5px solid var(--pink-light);
}
.funclist-cat ul { list-style: none; }
.funclist-cat li {
  font-size: 12px; color: var(--text-mid);
  padding: 3px 0 3px 12px; position: relative; line-height: 1.45;
}
.funclist-cat li::before {
  content: '–'; position: absolute; left: 0; color: var(--pink); font-weight: 700;
}
@media (max-width: 680px) {
  .funclist-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ===== PURCHASE ===== */
.purchase-card {
  max-width: 580px; margin: 0 auto;
  background: linear-gradient(135deg, #FF6B9D 0%, #FF9EC5 50%, #82B4F0 100%);
  border-radius: 28px; padding: 60px 40px;
  text-align: center;
  box-shadow: 0 16px 56px rgba(255,107,157,0.38);
  position: relative; overflow: hidden;
}
.purchase-card::before {
  content: '';
  position: absolute; top: -40%; left: -20%; right: -20%; bottom: -40%;
  background: radial-gradient(ellipse, rgba(255,255,255,0.15) 0%, transparent 60%);
}
.purchase-card h2 {
  font-size: 28px; font-weight: 900; color: white;
  margin-bottom: 10px; position: relative;
}
.purchase-card > p {
  color: rgba(255,255,255,0.9); margin-bottom: 32px;
  font-size: 15px; position: relative;
}
.btn-booth {
  background: white; color: var(--pink);
  padding: 16px 52px; border-radius: 50px;
  font-size: 18px; font-weight: 900;
  box-shadow: 0 4px 20px rgba(0,0,0,0.15);
  transition: all 0.25s; display: inline-block;
  position: relative;
}
.btn-booth:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 36px rgba(0,0,0,0.2);
  text-decoration: none;
}
/* NEWS */
.news-list { display: flex; flex-direction: column; gap: 16px; max-width: 640px; margin: 0 auto; }
.news-card {
  display: block; text-decoration: none; color: var(--text);
  background: var(--white); border: 2px solid var(--border);
  border-radius: var(--radius); padding: 20px 24px;
  transition: all 0.2s;
}
.news-card:hover {
  border-color: var(--pink-light); box-shadow: var(--shadow);
  transform: translateY(-2px); text-decoration: none;
}
.news-card time { font-size: 12px; color: var(--text-light); font-weight: 600; }
.news-card h3 { font-size: 16px; font-weight: 800; margin: 4px 0; }
.news-card p { font-size: 13px; color: var(--text-mid); margin: 0; }

.booth-note {
  color: rgba(255,255,255,0.75); font-size: 12px;
  margin-top: 16px !important; margin-bottom: 0 !important;
  position: relative;
}

/* ===== SYSTEM REQUIREMENTS ===== */
.req-table-wrap { max-width: 640px; margin: 0 auto; }
.req-table {
  width: 100%; border-collapse: collapse;
  background: var(--white);
  border-radius: 14px; overflow: hidden;
  border: 2px solid var(--border);
}
.req-table th,
.req-table td {
  padding: 14px 20px; text-align: left;
  font-size: 14px; border-bottom: 1px solid var(--border);
}
.req-table tr:last-child th,
.req-table tr:last-child td { border-bottom: none; }
.req-table th {
  background: var(--pink-pale); color: var(--pink);
  font-weight: 800; font-size: 13px;
  width: 120px; white-space: nowrap;
}
.req-table td { color: var(--text-mid); }
.req-sub-note { color: var(--text-light); font-size: 11px; }
.req-note {
  text-align: center; font-size: 13px; color: var(--text-light);
  margin-top: 16px;
}

/* ===== TRADEMARK ===== */
.trademark-section {
  padding: 32px 24px 40px;
}
.trademark-inner {
  max-width: 640px; margin: 0 auto;
  font-size: 11px; color: var(--text-light); line-height: 1.8;
  text-align: center;
}

/* SP-only line break */
.sp-only { display: none; }

/* ===== RESPONSIVE ===== */
@media (max-width: 640px) {
  .sp-only { display: inline; }
  /* Hero */
  .hero { padding: 40px 16px 32px; }
  .hero-eyebrow { font-size: 10px; padding: 4px 12px; margin-bottom: 16px; }
  .hero-tagline { font-size: 15px; }
  .hero-desc { margin-bottom: 24px; font-size: 12px; }
  .hero-cta { gap: 8px; margin-bottom: 28px; }
  .btn-primary { padding: 13px 28px; font-size: 14px; }
  .btn-secondary { padding: 11px 22px; font-size: 13px; }
  .hero-tech-badges { gap: 5px; }
  .tech-badge { font-size: 10px; padding: 3px 8px; }

  /* Sections */
  .section { padding: 28px 16px; }
  .section-title { font-size: 18px; }
  .section-header { margin-bottom: 20px; }
  .section-desc { font-size: 12px; }

  /* Privacy */
  .privacy-banner { padding: 0 14px 28px; }
  .privacy-inner { padding: 20px 18px; gap: 14px; }
  .privacy-text h3 { font-size: 14px; }
  .privacy-text p { font-size: 11px; }
  .privacy-icon svg { width: 24px; height: 24px; }

  /* Features showcase — モバイルは縦積み */
  .features-showcase { margin-bottom: 32px; }
  .feature-row { grid-template-columns: 1fr; gap: 16px; padding: 28px 0; }
  .feature-row-text h3 { font-size: 17px; margin-bottom: 8px; }
  .feature-row-text p  { font-size: 12px; }
  .feature-row-media { border-radius: 10px; }


  /* Funclist */
  .funclist-section { padding: 24px 0; }
  .funclist-section .wrap { padding: 0 16px; }
  .funclist-header { margin-bottom: 16px; }
  .funclist-grid { gap: 14px; }

  /* Samples */
  .samples-grid { grid-template-columns: 1fr; }
  .samples-lang-heading { font-size: 15px; margin-bottom: 14px; }
  .samples-category { margin-bottom: 20px; }
  .samples-lang-block { margin-bottom: 32px; }

  /* Sample card — 圧縮レイアウト */
  .sample-card {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 0 8px;
    padding: 14px;
  }
  .sample-card-title {
    grid-column: 1; grid-row: 1;
    align-self: center;
    font-size: 13px; margin-bottom: 0;
  }
  .sample-meta {
    grid-column: 1 / -1; grid-row: 2;
    flex-direction: row; gap: 10px;
    padding: 6px 0 8px; margin-bottom: 0;
  }
  .ba-tabs { grid-column: 1 / -1; grid-row: 3; }
  .sample-audio { grid-column: 1 / -1; }

  /* Requirements */
  .req-table th, .req-table td { padding: 10px 14px; font-size: 12px; }
  .req-table th { width: auto; }
  .req-note { font-size: 11px; }

  /* Purchase */
  .purchase-card { padding: 36px 20px; border-radius: 20px; }
  .purchase-card h2 { font-size: 22px; }
  .btn-booth { padding: 14px 36px; font-size: 16px; }

  /* Target */
  .target-list li { font-size: 13px; }
}
@media (max-width: 400px) {
  .btn-primary, .btn-secondary { width: 100%; text-align: center; }
  .funclist-grid { grid-template-columns: 1fr; }
}