/* ==========================================================================
   HERO & PROMOTION VIDEO (トップ専用)
   ========================================================================== */
.hero {
  position: relative; width: 100%; min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  padding: 100px 0 80px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.92) 0%, rgba(230, 240, 248, 0.85) 50%, rgba(255, 255, 255, 0.75) 100%),
    url('../img/8FZ1I.jpg') no-repeat center right / cover;
  overflow: hidden;
}
.hero::before {
  content: ""; position: absolute; top: -100px; right: -100px; width: 500px; height: 500px;
  border-radius: 50%; background: linear-gradient(135deg, rgba(141, 198, 63, 0.08), rgba(0, 104, 183, 0.04));
  z-index: 1; pointer-events: none;
}
.hero-video-wrapper {
  position: absolute; top: 0; left: 0; width: 100%; height: 100%;
  background: #000; z-index: 10; overflow: hidden;
  transition: opacity 0.8s ease, visibility 0.8s ease;
}
.hero-video-wrapper.is-hidden { opacity: 0; visibility: hidden; pointer-events: none; }
.hero-video-wrapper video { width: 100%; height: 100%; object-fit: cover; display: block; }

.btn-video-skip, .btn-video-audio {
  position: absolute; top: 95px; z-index: 20; background: rgba(0, 0, 0, 0.55);
  color: #fff; border: 1px solid rgba(255, 255, 255, 0.4); padding: 8px 16px;
  border-radius: var(--radius-pill); font-size: 13px; font-weight: 700;
  cursor: pointer; transition: all 0.3s; backdrop-filter: blur(4px);
}
.btn-video-skip { right: 25px; padding: 8px 18px; }
.btn-video-audio { right: 110px; display: inline-flex; align-items: center; gap: 6px; }
.btn-video-skip:hover, .btn-video-audio:hover { background: rgba(0, 104, 183, 0.85); border-color: #fff; }

.hero-content {
  position: relative; z-index: 5; opacity: 0; max-width: 850px; margin: 0 auto; text-align: center;
  transform: translateY(20px); transition: opacity 1s cubic-bezier(0.16, 1, 0.3, 1), transform 1s cubic-bezier(0.16, 1, 0.3, 1);
  pointer-events: none;
}
.hero-content.is-visible { opacity: 1; transform: translateY(0); pointer-events: auto; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px; background: var(--c-primary-light);
  color: var(--c-primary); padding: 8px 18px; border-radius: var(--radius-pill);
  font-size: 13px; font-weight: 800; letter-spacing: 0.05em; margin-bottom: 24px;
}
.hero h1 { font-size: clamp(32px, 5.5vw, 56px); font-weight: 900; line-height: 1.35; color: var(--c-primary); margin-bottom: 24px; }
.hero p { font-size: clamp(16px, 2vw, 19px); color: var(--text-sub); line-height: 1.8; margin-bottom: 40px; }
.hero-cta { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }
.btn-primary {
  background: var(--c-accent); color: #fff !important; padding: 18px 40px; border-radius: var(--radius-pill);
  font-size: 16px; font-weight: 800; box-shadow: 0 6px 15px rgba(141, 198, 63, 0.35); transition: all 0.3s;
}
.btn-primary:hover { background: var(--c-accent-dark); transform: translateY(-3px); }
.btn-secondary {
  background: #fff; color: var(--c-primary); padding: 18px 36px; border-radius: var(--radius-pill);
  font-size: 16px; font-weight: 800; border: 1.5px solid var(--c-primary); transition: all 0.3s;
}
.btn-secondary:hover { background: var(--c-primary-light); }

/* ==========================================================================
   SERVICE (3つの柱)
   ========================================================================== */
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.service-card {
  background: #fff; border-radius: var(--radius-md); padding: 40px 30px;
  box-shadow: var(--shadow-sm); border: 1px solid #eef1f6;
  display: flex; flex-direction: column; transition: all 0.3s ease;
}
.service-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-md); border-color: var(--c-primary); }
.service-tag { font-family: var(--font-en); font-size: 12px; font-weight: 800; color: var(--c-primary); letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 12px; }
.service-icon {
  width: 60px; height: 60px; border-radius: 12px; background: var(--c-primary-light);
  display: flex; align-items: center; justify-content: center; font-size: 26px; color: var(--c-primary); margin-bottom: 24px;
}
.service-card h3 { font-size: 22px; font-weight: 800; color: var(--c-primary); margin-bottom: 16px; line-height: 1.4; }
.service-card p { font-size: 15px; color: var(--text-sub); line-height: 1.8; margin-bottom: 24px; flex-grow: 1; }
.service-features { border-top: 1px solid #f0f2f5; padding-top: 20px; margin-bottom: 24px; }
.service-features li { font-size: 14px; font-weight: 700; color: var(--text-main); margin-bottom: 10px; display: flex; align-items: center; gap: 8px; }
.service-features li::before { content: "✔"; color: var(--c-accent); font-size: 13px; font-weight: 900; }
.service-link { display: inline-flex; align-items: center; gap: 6px; font-weight: 800; font-size: 14px; color: var(--c-primary); }
.service-link:hover { color: var(--c-accent); gap: 10px; }
.service-card.highlight { border: 2px solid var(--c-primary); background: linear-gradient(180deg, #ffffff, #f7faff); }

/* ==========================================================================
   EXECUTION & METHOD (7領域)
   ========================================================================== */
.method-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; margin-top: 40px; }
.method-card { background: #fff; border-radius: var(--radius-sm); padding: 24px; border-left: 4px solid var(--c-primary); box-shadow: var(--shadow-sm); }
.method-card .step-num { font-family: var(--font-en); font-size: 13px; font-weight: 900; color: var(--c-accent-dark); margin-bottom: 6px; }
.method-card h4 { font-size: 16px; font-weight: 800; color: var(--c-primary); margin-bottom: 8px; }
.method-card p { font-size: 13px; color: var(--text-sub); line-height: 1.6; }

/* ==========================================================================
   VALUE / MISSION
   ========================================================================== */
.value-box {
  background: var(--bg-dark); color: #fff; border-radius: 20px; padding: 70px 50px;
  display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center;
}
.value-text h2 { font-size: clamp(26px, 3.5vw, 38px); font-weight: 900; line-height: 1.4; margin-bottom: 20px; }
.value-text h2 span { color: var(--c-accent); }
.value-text p { font-size: 16px; color: #a4b2cb; line-height: 1.9; }
.value-metrics { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.metric-item { background: rgba(255, 255, 255, 0.05); padding: 24px; border-radius: 12px; border: 1px solid rgba(255,255,255,0.1); }
.metric-num { font-family: var(--font-en); font-size: 32px; font-weight: 900; color: var(--c-accent); display: block; margin-bottom: 4px; }
.metric-desc { font-size: 13px; color: #cbd5e1; font-weight: 700; }

/* PRODUCTS */
.product-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 30px; margin-top: 40px; }
.product-card { background: #fff; border-radius: var(--radius-md); padding: 32px; border: 1px solid #eef1f6; box-shadow: var(--shadow-sm); }
.product-tag {
  display: inline-block; background: var(--c-primary-light); color: var(--c-primary);
  font-size: 11px; font-weight: 800; padding: 4px 10px; border-radius: var(--radius-pill); margin-bottom: 12px;
}
.product-card h3 { font-size: 18px; font-weight: 800; color: var(--c-primary); margin-bottom: 12px; }
.product-card p { font-size: 14px; color: var(--text-sub); line-height: 1.7; }

/* NEWS */
.news-container { max-width: 840px; margin: 0 auto; }
.news-list { border-top: 1px solid #e5e9f0; }
.news-item { display: flex; align-items: center; gap: 24px; padding: 20px 0; border-bottom: 1px solid #e5e9f0; }
.news-meta { display: flex; align-items: center; gap: 16px; flex-shrink: 0; }
.news-date { font-family: var(--font-en); font-size: 14px; font-weight: 700; color: var(--text-muted); min-width: 100px; }
.news-cat {
  font-size: 12px; font-weight: 800; padding: 4px 14px; border-radius: var(--radius-pill);
  background: var(--c-primary); color: #ffffff; min-width: 90px; text-align: center;
}
.news-cat.cat-seminar { background: var(--c-accent); }
.news-title { font-size: 15px; font-weight: 700; color: var(--text-main); transition: color 0.2s; flex: 1; }
.news-title:hover { color: var(--c-primary); }

/* COMPANY PROFILE & CONTACT */
.company-table-wrap {
  max-width: 800px; margin: 0 auto; background: #fff; border-radius: var(--radius-md);
  padding: 40px; box-shadow: var(--shadow-sm); border: 1px solid #eef1f6;
}
.company-table { width: 100%; border-collapse: collapse; }
.company-table th, .company-table td { padding: 18px 12px; border-bottom: 1px solid #f0f2f5; text-align: left; font-size: 15px; }
.company-table tr:last-child th, .company-table tr:last-child td { border-bottom: none; }
.company-table th { width: 28%; color: var(--c-primary); font-weight: 800; vertical-align: top; }
.business-list { list-style: decimal; padding-left: 20px; margin: 0; }
.business-list li { line-height: 1.8; margin-bottom: 6px; color: var(--text-main); }

.contact-section { background: var(--bg-sub); }
.contact-card {
  max-width: 760px; margin: 0 auto; background: #fff; border-radius: var(--radius-md);
  padding: 50px 40px; box-shadow: var(--shadow-sm); border: 1px solid #eef1f6;
}
.form-group { margin-bottom: 22px; }
.form-group label { display: block; font-weight: 800; margin-bottom: 8px; font-size: 14px; }
.form-group label span { color: #e60012; margin-left: 4px; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 14px 16px; border: 1px solid #d2d8e6; border-radius: var(--radius-sm);
  font-family: inherit; font-size: 15px; transition: border-color 0.2s;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: var(--c-primary); outline: none; box-shadow: 0 0 0 3px rgba(0, 104, 183, 0.1);
}
.form-group textarea { min-height: 120px; resize: vertical; }
.btn-submit {
  width: 100%; background: var(--c-primary); color: #fff; padding: 18px; border: none;
  border-radius: var(--radius-pill); font-size: 17px; font-weight: 800; cursor: pointer; transition: all 0.3s;
}
.btn-submit:hover { background: var(--c-accent); box-shadow: var(--shadow-md); transform: translateY(-2px); }

/* ==========================================================================
   TOPページ専用 スマホレスポンシブ (900px以下)
   ========================================================================== */
@media (max-width: 900px) {
  .hero {
    min-height: 100svh; width: 100%; max-width: 100vw; padding: 0;
    overflow: hidden; background-color: #000;
  }
  .hero-video-wrapper {
    position: absolute; inset: 0; width: 100%; height: 100%;
    display: flex; align-items: center; justify-content: center; background: #000;
  }
  .hero-video-wrapper video {
    width: 100% !important; height: auto !important; max-height: 100%; object-fit: contain !important;
  }
  .btn-video-skip, .btn-video-audio {
    top: 90px; padding: 6px 12px; font-size: 11px; line-height: 1; z-index: 25;
  }
  .btn-video-skip { right: 12px; }
  .btn-video-audio { right: auto; left: 12px; }

  .service-grid, .value-box, .product-grid { grid-template-columns: 1fr; }
  .value-box { padding: 40px 24px; gap: 30px; }
  .value-metrics { grid-template-columns: 1fr; gap: 16px; }

  .news-item { align-items: flex-start; gap: 14px; padding: 16px 0; }
  .news-meta { flex-direction: column; align-items: flex-start; gap: 6px; flex-shrink: 0; width: 92px; }
  .news-date { min-width: auto; font-size: 12px; line-height: 1.2; }
  .news-cat { min-width: auto; font-size: 11px; padding: 3px 8px; white-space: nowrap; }
  .news-title { font-size: 14px; line-height: 1.6; }
}