/* Hero */
.c-hero.-feature-paint {
  position: relative;
  min-height: min(68vh, 620px);
  display: grid;
  place-items: center;
  padding: 80px 20px;
  color: #fff;
  background: radial-gradient(
      900px 360px at 12% 10%,
      rgba(255, 255, 255, 0.1),
      rgba(255, 255, 255, 0) 60%
    ),
    radial-gradient(
      700px 260px at 86% 70%,
      rgba(255, 255, 255, 0.1),
      rgba(255, 255, 255, 0) 60%
    ),
    linear-gradient(
      135deg,
      #0e2a47 0%,
      var(--primary-blue, #3a7ca5) 60%,
      #184b73 100%
    );
  overflow: hidden;
}
.c-hero.-feature-paint .c-hero__inner {
  text-align: center;
  position: relative;
  z-index: 1;
}
.c-hero.-feature-paint .c-hero__title {
  font-size: clamp(30px, 5.6vw, 60px);
  letter-spacing: 0.06em;
  line-height: 1.1;
  margin: 10px 0 6px;
}
.c-hero__lead {
  opacity: 0.95;
  margin-top: 6px;
}
.c-hero__actions {
  margin-top: 22px;
  display: flex;
  gap: 14px;
  justify-content: center;
}
.fp-hero-glow {
  position: absolute;
  inset: -20% -10% -10% -10%;
  background: radial-gradient(
      600px 320px at 40% 20%,
      rgba(255, 255, 255, 0.2),
      rgba(255, 255, 255, 0) 70%
    ),
    radial-gradient(
      800px 420px at 70% 80%,
      rgba(58, 124, 165, 0.35),
      rgba(58, 124, 165, 0) 70%
    );
  filter: blur(6px);
  pointer-events: none;
  z-index: 0;
  transform: translate3d(0, 0, 0);
}

/* Section spacing and head (必要最小限を同梱) */
.c-section {
  padding: 56px 16px;
}
.c-container {
  width: min(1120px, 100%);
  margin: 0 auto;
}
.c-container.-center {
  text-align: center;
}
.c-sec-head {
  display: grid;
  gap: 4px;
  margin-bottom: 12px;
}
.c-sec-head__eyebrow {
  font-size: 12px;
  letter-spacing: 0.1em;
  opacity: 0.8;
}
.c-sec-head__title {
  font-size: clamp(20px, 4.4vw, 28px);
}

/* About / Intro */
.c-section.-about {
  background: radial-gradient(
      800px 300px at 10% 0%,
      rgba(12, 40, 80, 0.04),
      transparent 60%
    ),
    linear-gradient(0deg, #faf7f2, #f7f4ef);
}
.fp-intro {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 18px;
  align-items: center;
}
.fp-intro__media img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 12px;
  box-shadow: 0 10px 30px -20px rgba(0, 0, 0, 0.35);
}
.fp-badges {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin: 10px 0;
}
.fp-badge {
  display: grid;
  grid-auto-flow: column;
  align-items: center;
  gap: 8px;
  background: #fff;
  border: 1px solid rgba(12, 40, 80, 0.06);
  padding: 8px 12px;
  border-radius: 12px;
  box-shadow: 0 8px 24px -20px rgba(0, 0, 0, 0.3);
  font-size: 0.96rem;
}
.fp-badge span {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, var(--primary-blue, #3a7ca5), #184b73);
  box-shadow: 0 6px 16px -10px rgba(24, 75, 115, 0.6);
  font-size: 0.85rem;
}

/* Features */
.c-section.-features {
  background: var(--bg-light, #f9f9f9);
}
.fp-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin-top: 12px;
}
.fp-feature {
  position: relative;
  padding: 20px 18px;
  border-radius: 12px;
  background: #fff;
  border: 1px solid rgba(12, 40, 80, 0.06);
  box-shadow: 0 8px 24px -18px rgba(0, 0, 0, 0.25);
  transition: transform 0.3s var(--easing-entrance),
    box-shadow 0.3s var(--easing-entrance);
}
.fp-feature:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 36px -18px rgba(0, 0, 0, 0.28);
}
.fp-feature__icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-blue, #3a7ca5), #184b73);
  box-shadow: 0 8px 18px -10px rgba(24, 75, 115, 0.6);
  margin-bottom: 8px;
}
.fp-feature__title {
  font-weight: 700;
  margin-bottom: 6px;
  color: #0b1a2a;
}
.fp-feature__text {
  color: #3a526b;
  font-size: 0.95rem;
}

/* Mechanism */
.c-section.-mechanism {
  background: #fff;
}
.fp-mechanism {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  align-items: center;
}
.fp-diagram {
  aspect-ratio: 16/10;
  border-radius: 12px;
  background: linear-gradient(180deg, #eef5fb, #ffffff),
    radial-gradient(
      200px 100px at 30% 30%,
      rgba(58, 124, 165, 0.25),
      transparent 60%
    ),
    radial-gradient(
      240px 120px at 70% 70%,
      rgba(24, 75, 115, 0.2),
      transparent 60%
    );
  border: 1px solid rgba(12, 40, 80, 0.06);
  box-shadow: 0 8px 24px -18px rgba(0, 0, 0, 0.25);
}
.fp-steps {
  display: grid;
  gap: 8px;
  counter-reset: step;
}
.fp-steps li {
  position: relative;
  padding-left: 16px;
}
.fp-steps li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary-blue, #3a7ca5);
  box-shadow: 0 0 0 2px rgba(58, 124, 165, 0.2);
}
.fp-note {
  margin-top: 6px;
  font-size: 0.9rem;
  opacity: 0.85;
}

/* Benefits */
.c-section.-benefits {
  background: #fff;
}
.fp-benefits {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
  margin-top: 12px;
}
.fp-benefit {
  background: #fcfdff;
  border: 1px solid rgba(12, 40, 80, 0.06);
  border-radius: 12px;
  padding: 16px 14px;
  box-shadow: 0 8px 24px -20px rgba(0, 0, 0, 0.3);
}
.fp-benefit__num {
  display: inline-block;
  font-weight: 900;
  color: var(--primary-blue, #3a7ca5);
  margin-bottom: 4px;
}
.fp-benefit__title {
  font-weight: 700;
  margin-bottom: 6px;
}

/* Before / After Slider */
.c-section.-ba {
  background: #fff;
}
.fp-ba-slider {
  margin-top: 12px;
}
.fp-ba {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  border-radius: 12px;
  overflow: hidden;
}
.fp-ba img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.fp-ba__labels {
  position: absolute;
  inset: 10px auto auto 10px;
  display: grid;
  grid-auto-flow: column;
  gap: 8px;
}
.fp-ba__labels span {
  display: inline-block;
  padding: 4px 8px;
  font-weight: 700;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: #fff;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(2px);
}
.swiper-pagination-bullet {
  background: rgba(255, 255, 255, 0.7);
}
.swiper-pagination-bullet-active {
  background: #fff;
}

/* Palette */
.c-section.-palette {
  background: #f5f8fc;
}
.fp-swatches {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-top: 12px;
}
.fp-swatch {
  appearance: none;
  border: 1px solid rgba(12, 40, 80, 0.08);
  border-radius: 12px;
  background: var(--c, #eee);
  color: inherit;
  padding: 18px 10px;
  box-shadow: 0 8px 24px -20px rgba(0, 0, 0, 0.3);
  cursor: pointer;
  font-weight: 700;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.fp-swatch:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 28px -16px rgba(0, 0, 0, 0.35);
}
.fp-swatch.is-active {
  border-color: var(--primary-blue, #3a7ca5);
  box-shadow: 0 0 0 2px rgba(58, 124, 165, 0.2),
    0 12px 26px -18px rgba(0, 0, 0, 0.35);
}
.fp-descs {
  margin-top: 10px;
}
.fp-desc {
  display: none;
  background: #fff;
  border: 1px solid rgba(12, 40, 80, 0.06);
  border-radius: 12px;
  padding: 12px;
}
.fp-desc.is-active {
  display: block;
}

/* FAQ */
.c-section.-faq {
  background: #fff;
}
.fp-faq {
  display: grid;
  gap: 10px;
  margin-top: 12px;
}
.fp-faq__item {
  background: #ffffff;
  border: 1px solid rgba(12, 40, 80, 0.06);
  border-radius: 12px;
  padding: 14px;
  box-shadow: 0 8px 24px -20px rgba(0, 0, 0, 0.3);
}
.fp-faq__q {
  font-weight: 700;
  margin-bottom: 6px;
  color: #0b1a2a;
}
.fp-faq__a {
  color: #3a526b;
}

/* CTA */
.fp-cta {
  display: inline-grid;
  grid-auto-flow: column;
  gap: 10px;
}

/* Responsive */
@media (max-width: 640px) {
  .c-hero__actions {
    flex-direction: column;
  }
  .fp-intro {
    grid-template-columns: 1fr;
  }
  .fp-badges {
    grid-template-columns: 1fr;
  }
  .fp-mechanism {
    grid-template-columns: 1fr;
  }
  .fp-ba {
    grid-template-columns: 1fr;
  }
  .fp-swatches {
    grid-template-columns: 1fr 1fr;
  }
  .fp-cta {
    grid-auto-flow: row;
  }
}

/* --- 基本設定 --- */
#lp-wrapper-final {
  font-family: "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", Meiryo,
    sans-serif;
  color: #333;
  line-height: 1.8;
  background-color: #fff;
  overflow-x: hidden;
  margin: 0;
  padding: 0;
}
#lp-wrapper-final * {
  box-sizing: border-box;
}

:root {
  --primary-color: #00a8cc; /* シアンブルー */
  --accent-color: #ffd700;
  --text-light: #fff;
  --text-dark: #1a202c;
  --overlay-dark: rgba(0, 0, 0, 0.6);
  --overlay-blue: rgba(0, 40, 80, 0.7);
}

/* --- 共通レイアウト --- */
.lp-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  position: relative;
  z-index: 2;
}
.lp-section {
  padding: 100px 0;
  position: relative;
}
.text-center {
  text-align: center;
}
.text-light {
  color: var(--text-light);
}
.font-bold {
  font-weight: bold;
}

/* 背景画像設定 */
.bg-image {
  background-position: center;
  background-size: cover;
  background-attachment: fixed; /* パララックス効果 */
  position: relative;
}
.bg-overlay-blue::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--overlay-blue);
  z-index: 1;
}
.bg-dark {
  background-color: #1a202c;
  color: #fff;
}

/* --- 斜めカット --- */
.skew-divider-top {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 80px;
  background: #fff;
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 20%);
  z-index: 3;
  margin-top: -5px;
}
.skew-divider-bottom {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 80px;
  background: #fff;
  clip-path: polygon(0 80%, 100% 0, 100% 100%, 0 100%);
  z-index: 3;
  margin-bottom: -5px;
}
/* ダークセクション用の斜めカット */
.skew-dark-top {
  background: #1a202c;
}
.skew-dark-bottom {
  background: #1a202c;
}

/* --- アニメーション --- */
.fade-in-up {
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.8s ease-out;
}
.fade-in-up.visible {
  opacity: 1;
  transform: translateY(0);
}
.delay-1 {
  transition-delay: 0.2s;
}
.delay-2 {
  transition-delay: 0.4s;
}

/* --- コンポーネント --- */
.lp-btn-main {
  display: inline-block;
  padding: 18px 50px;
  background: var(--primary-color);
  color: #fff;
  font-weight: bold;
  font-size: 1.2rem;
  border-radius: 50px;
  text-decoration: none;
  transition: all 0.3s;
  border: 2px solid transparent;
  box-shadow: 0 10px 20px rgba(0, 168, 204, 0.3);
}
.lp-btn-main:hover {
  background: #fff;
  color: var(--primary-color);
  transform: translateY(-3px);
}

/* --- Hero --- */
.lp-hero {
  height: 85vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  background-image: url("https://images.unsplash.com/photo-1605276374104-dee2a0ed3cd6?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80");
}
.lp-hero h1 {
  font-size: 3.5rem;
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 20px;
  text-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

/* --- Problem (Cards) --- */
.lp-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 60px;
}
.lp-photo-card {
  background: #fff;
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
  border-radius: 8px;
  overflow: hidden;
  transition: transform 0.3s;
}
.lp-photo-card:hover {
  transform: translateY(-10px);
}
.lp-card-img {
  height: 220px;
  background-size: cover;
  background-position: center;
}
.lp-card-body {
  padding: 25px;
}

/* --- Product Intro --- */
.lp-product-intro {
  background-image: url("https://images.unsplash.com/photo-1519681393784-d120267933ba?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80");
  padding: 150px 0;
}
.lp-product-name {
  font-size: 4.5rem;
  font-weight: 900;
  color: #fff;
  margin: 0;
  text-shadow: 0 5px 20px rgba(0, 0, 0, 0.5);
}

/* --- Features --- */
.lp-feature-visual-card {
  position: relative;
  height: 350px;
  border-radius: 12px;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  color: #fff;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}
.lp-feature-visual-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    to top,
    rgba(0, 0, 0, 0.9) 0%,
    rgba(0, 0, 0, 0) 60%
  );
  z-index: 1;
}
.lp-feature-visual-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  transition: transform 0.5s;
}
.lp-feature-visual-card:hover .lp-feature-visual-bg {
  transform: scale(1.1);
}
.lp-feature-content {
  position: relative;
  z-index: 2;
  padding: 25px;
}
.lp-feature-content h3 {
  margin-bottom: 10px;
  font-size: 1.5rem;
}

/* --- Science Section (追加項目) --- */
.lp-science {
  background-color: var(--text-dark);
  color: #fff;
}
.science-flex {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 50px;
}
.science-text {
  flex: 1;
  min-width: 300px;
}
.science-img-wrap {
  flex: 1;
  min-width: 300px;
  position: relative;
}
.science-img {
  width: 100%;
  border-radius: 10px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

/* --- Comparison Section (追加項目) --- */
.lp-comparison {
  background: #f9f9f9;
}
.lp-table-wrap {
  overflow-x: auto;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
  border-radius: 10px;
}
.lp-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  min-width: 600px; /* スマホでスクロールさせる */
}
.lp-table th,
.lp-table td {
  padding: 20px;
  text-align: center;
  border-bottom: 1px solid #eee;
}
.lp-table th {
  background: #f0f4f8;
  color: #555;
  font-weight: bold;
}

/* 強調カラム */
.lp-table th.highlight-head {
  background: var(--primary-color);
  color: #fff;
  font-size: 1.3rem;
  width: 35%;
  position: relative;
  overflow: hidden;
}
.lp-table td.highlight-body {
  background: #f0fbff;
  color: var(--primary-color);
  font-weight: bold;
  font-size: 1.2rem;
}

/* --- Gallery --- */
.gallery-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 50px;
}
.gallery-item {
  position: relative;
  height: 350px;
  overflow: hidden;
}
.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s;
}
.gallery-item:hover img {
  transform: scale(1.05);
}
.gallery-label {
  position: absolute;
  top: 20px;
  left: 20px;
  background: rgba(0, 0, 0, 0.7);
  color: #fff;
  padding: 5px 15px;
  font-weight: bold;
}
.label-after {
  background: var(--primary-color);
}

/* --- CTA --- */
.lp-cta {
  background-image: url("https://images.unsplash.com/photo-1600585154340-be6161a56a0c?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80");
  padding: 150px 0;
}

/* --- スマホ対応 --- */
@media (max-width: 768px) {
  .lp-hero h1 {
    font-size: 2.2rem;
  }
  .lp-product-name {
    font-size: 3rem;
  }
  .gallery-grid {
    grid-template-columns: 1fr;
  }
  .lp-table th,
  .lp-table td {
    padding: 15px 10px;
    font-size: 0.9rem;
  }
  .lp-btn-main {
    width: 100%;
    text-align: center;
  }
  .lp-table th.highlight-head {
    font-size: 1rem;
  }
}