@charset "UTF-8";
/* CSS Document */

* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: "Hiragino Kaku Gothic ProN", "ヒラギノ角ゴ ProN W3", "Yu Gothic", "游ゴシック", sans-serif;
  color: #2C2C2A;
  background: #FAF8F4;
  line-height: 1.8;
  font-size: 16px;
  font-weight: 300;
}
.section { padding: 80px 24px; max-width: 1080px; margin: 0 auto; }
.section-narrow { max-width: 720px; margin: 0 auto; }
h1, h2, h3 { font-weight: 400; letter-spacing: 0.05em; line-height: 1.5; color: #1a1a1a; }
h2 { font-size: 28px; margin-bottom: 32px; }
h3 { font-size: 20px; margin-bottom: 20px; }
p { margin-bottom: 1.2em; font-size: 15px; line-height: 1.9; color: #3a3a3a; }
.lead { font-size: 17px; color: #1a1a1a; }
.fv {
  position: relative;
  min-height: 720px;
  background-image: linear-gradient(rgba(0,0,0,0.32), rgba(0,0,0,0.5)), url('../img/fv-img.webp');
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  padding: 120px 48px 80px;
  color: white;
}
.fv-inner { max-width: 1080px; margin: 0 auto; width: 100%; display: grid; grid-template-columns: 1.4fr 1fr; gap: 40px; align-items: end; }
.fv-text { padding-bottom: 24px; }
.fv-main {
  font-size: 38px;
  font-weight: 300;
  line-height: 1.5;
  letter-spacing: 0.05em;
  margin-bottom: 28px;
  color: white;
}
.fv-sub {
  font-size: 14px;
  line-height: 1.9;
  margin-bottom: 32px;
  opacity: 0.9;
  color: white;
}
.fv-badges { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 32px; }
.badge {
  background: rgba(255,255,255,0.18);
  border: 1px solid rgba(255,255,255,0.4);
  padding: 7px 14px;
  font-size: 11px;
  letter-spacing: 0.05em;
  border-radius: 2px;
  backdrop-filter: blur(8px);
  color: white;
}
.badge-patent {
  background: rgba(74, 111, 92, 0.85);
  border-color: rgba(74, 111, 92, 0.85);
}
.cta-primary {
  display: inline-block;
  background: #4a6f5c;
  color: white;
  padding: 18px 44px;
  text-decoration: none;
  font-size: 14px;
  letter-spacing: 0.1em;
  border-radius: 2px;
  font-weight: 400;
  text-align: center;
  border: 1px solid #4a6f5c;
  margin-bottom: 12px;
}
.cta-secondary {
  display: inline-block;
  color: white;
  padding: 12px 32px;
  text-decoration: none;
  font-size: 13px;
  letter-spacing: 0.05em;
  border-bottom: 1px solid rgba(255,255,255,0.5);
}
.cta-tertiary {
  display:inline-block;
  color:rgba(255,255,255,0.6);
  padding:8px 24px;
  text-decoration:none;
  font-size:12px;
  letter-spacing:0.03em;
  border-bottom:1px solid rgba(255,255,255,0.3);
}

.fv-evidence {
  background: white;
  padding: 16px;
  border-radius: 2px;
}
.fv-evidence img {
  width: 100%;
  height: 320px;
  object-fit: cover;
  display: block;
  border-radius: 2px;
}
.fv-evidence-cap {
  font-size: 11px;
  color: #5a5a5a;
  margin-top: 12px;
  letter-spacing: 0.05em;
  line-height: 1.5;
}
.section-label {
  font-size: 11px;
  letter-spacing: 0.3em;
  color: #4a6f5c;
  margin-bottom: 16px;
  text-transform: uppercase;
}
.s2 { background: #FAF8F4; text-align: center; padding: 100px 24px; }
.s2 h2 { font-size: 32px; line-height: 1.6; font-weight: 300; }
.s2 p { font-size: 15px; max-width: 580px; margin: 0 auto 1.2em; }
.s3 { background: white; }
.s3-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; margin-top: 40px; }
.s3-grid img { width: 100%; height: 360px; object-fit: cover; border-radius: 2px; }
.s4 { background: #F4F1EA; }
.s4-grid { display: grid; grid-template-columns: 1fr 1.3fr; gap: 48px; align-items: center; }
.s4-grid img { width: 100%; height: 480px; object-fit: cover; border-radius: 2px; }
.s5 { background: white; }
.s5-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 40px; align-items: center; margin-top: 40px; }
.s5-grid > img { width: 100%; height: 420px; object-fit: cover; border-radius: 2px; }
.s5-sub-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.s5-sub-grid img { height: 200px; width: 100%; object-fit: cover; border-radius: 2px; }
.s6 { background: #F4F1EA; }
.s6-grid { display: grid; grid-template-columns: 1fr 1.3fr; gap: 48px; align-items: center; }
.s6-imgs { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.s6-imgs img { width: 100%; height: 380px; object-fit: cover; border-radius: 2px; }
.s7 {
  background: #2C3E33;
  color: #F4F1EA;
  padding: 100px 24px;
}
.s7 .section-narrow { color: #F4F1EA; }
.s7 .section-label { color: #9FB8A6; }
.s7 h2 { color: white; font-weight: 300; }
.s7 p { color: rgba(244, 241, 234, 0.85); font-size: 15px; }
.s7 .patent-num {
  display: inline-block;
  border: 1px solid rgba(255,255,255,0.4);
  padding: 12px 24px;
  margin: 16px 0 32px;
  font-size: 13px;
  letter-spacing: 0.15em;
  border-radius: 2px;
  color: white;
}
.disclaimer {
  font-size: 14px;
  color: rgba(244, 241, 234, 0.85);
  border-left: 2px solid rgba(159, 184, 166, 0.5);
  padding: 16px 20px;
  margin-top: 32px;
  line-height: 1.8;
  background: rgba(0,0,0,0.15);
}
.s8 { background: white; }
.s8-flow { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 24px; margin-top: 48px; }
.s8-flow-item img { width: 100%; height: 220px; object-fit: cover; border-radius: 2px; margin-bottom: 16px; }
.s8-flow-item h3 { font-size: 16px; margin-bottom: 8px; color: #4a6f5c; }
.s8-flow-item p { font-size: 13px; line-height: 1.7; }
.s9 {
  position: relative;
  min-height: 480px;
  background-image: linear-gradient(rgba(0,0,0,0.4), rgba(0,0,0,0.4)), url('../img/cycle.webp');
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 80px 24px;
  text-align: center;
  color: white;
}
.s9 h2 { color: white; font-weight: 300; font-size: 28px; line-height: 1.7; margin-bottom: 24px; }
.s9 p { color: rgba(255,255,255,0.9); max-width: 580px; margin: 0 auto 1em; }
.s9 .section-label { color: #9FB8A6; }

.s10 { background: white; padding: 100px 24px; }
.s10-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 32px; margin-top: 48px; margin-bottom: 48px; }
.s10-item { background: #FAF8F4; padding: 32px; border-radius: 2px; }
.s10-item h3 { color: #4a6f5c; font-size: 18px; margin-bottom: 12px; }
.s10-item h3 small { display: block; font-size: 11px; color: #888; letter-spacing: 0.15em; margin-bottom: 8px; font-weight: 300; }
.s10-item p { font-size: 13px; line-height: 1.7; }
.s10-cta{ display:flex; flex-direction:column; align-items:center; text-align:center;}
.s10-cta .cta-secondary { color: #4a6f5c; border-bottom-color: #4a6f5c;}
.s10-cta .cta-tertiary{color:rgba(74,111,92,0.6);border-bottom-color:rgba(74,111,92,0.4);font-size:12px;padding:8px 24px;}

.s11 { background: #FAF8F4; padding: 100px 24px; }
.s11 .section-narrow { max-width: 800px; }
.faq-item { background: white; padding: 28px 32px; margin-bottom: 16px; border-radius: 2px; border-left: 3px solid #4a6f5c; }
.faq-item h3 { font-size: 15px; color: #1a1a1a; margin-bottom: 12px; font-weight: 500; }
.faq-item p { font-size: 14px; line-height: 1.85; margin: 0; color: #3a3a3a; }

.s12 {
  background-image: linear-gradient(rgba(255,255,255,0.85), rgba(255,255,255,0.95)), url('../img/start.webp');
  background-size: cover;
  background-position: center;
  text-align: center;
  padding: 120px 24px;
}
.s12 h2 { font-size: 30px; line-height: 1.6; margin-bottom: 24px; font-weight: 300; }
.s12 p { font-size: 15px; max-width: 580px; margin: 0 auto 40px; }
.s12 .cta-group {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  margin-bottom: 40px;
}
.s12 .cta-primary {
  font-size: 15px;
  padding: 22px 56px;
}
.s12 .cta-secondary {
  color: #4a6f5c;
  border-bottom-color: #4a6f5c;
}
.disclaimer-light {
  font-size: 14px;
  color: #3a3a3a;
  border-left: 2px solid #4a6f5c;
  padding: 16px 20px;
  max-width: 580px;
  margin: 32px auto 0;
  line-height: 1.85;
  background: rgba(74, 111, 92, 0.05);
  text-align: left;
}
.section-divider {
  width: 40px;
  height: 1px;
  background: #4a6f5c;
  margin: 32px auto;
}
.dev-note {
  position: sticky;
  top: 0;
  background: #2C2C2A;
  color: white;
  padding: 12px 24px;
  font-size: 12px;
  z-index: 100;
  text-align: center;
  letter-spacing: 0.05em;
}

@media (max-width: 768px) {
  .fv { min-height: auto; padding: 100px 24px 60px; }
  .fv-inner { grid-template-columns: 1fr; gap: 32px; }
  .fv-main { font-size: 28px; }
  .fv-evidence img { height: 240px; }
  .s3-grid, .s4-grid, .s5-grid, .s6-grid, .s8-flow, .s6-imgs, .s10-grid { grid-template-columns: 1fr; gap: 24px; }
  .s4-grid img, .s5-grid > img, .s6-imgs img { height: 280px; }
  h2 { font-size: 22px; }
  .s2 h2, .s12 h2, .s9 h2 { font-size: 24px; }
}

@media (max-width: 480px) {
  .pc-only { display: none;}

  .mb-left { text-align: left;}
}

/* アニメーション */
.fade-in {
    opacity: 0;
    transform: translateY(25px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}