/* ========================================
   LP本体スタイル
======================================== */
.lp-wrap * {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

.lp-wrap {
  --gold: #B8943A;
  --gold-light: #D4B06A;
  --gold-pale: #F5EDD6;
  --dark: #0F0F0F;
  --dark2: #181818;
  --dark3: #222222;
  --text: #E8E4DC;
  --text-sub: #9A9080;
  font-family: 'Noto Sans JP', 'ヒラギノ角ゴ ProN', 'Hiragino Kaku Gothic ProN', sans-serif;
  font-weight: 300;
  color: var(--text);
  background: var(--dark);
  line-height: 1.8;
  overflow-x: clip;
}

/* --- ナビ --- */
.lp-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 9999;
  padding: 1.1rem 2.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: linear-gradient(to bottom, rgba(15,15,15,0.97) 70%, transparent);
}
.lp-nav-logo {
  font-family: 'Noto Serif JP', serif;
  font-size: 0.9rem;
  letter-spacing: 0.15em;
  color: var(--gold-light);
  text-decoration: none;
}
.lp-nav-cta {
  background: var(--gold);
  color: var(--dark) !important;
  padding: 0.55rem 1.4rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-decoration: none !important;
  border: none;
  transition: background 0.2s;
  white-space: nowrap;
}
.lp-nav-cta:hover { background: var(--gold-light); }

/* --- ヒーロー --- */
.lp-hero {
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  padding: 6rem 4rem 4rem;
  position: relative;
  overflow: hidden;
}
.lp-hero-bg {
  position: absolute; inset: 0;
  background: url('https://katariytch.com/wp-content/uploads/2026/03/75ae7978438da019b045b14cad9f68e5-scaled.jpg') center/cover no-repeat;
  opacity: 0.42;
}
.lp-hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(110deg, rgba(15,15,15,0.92) 45%, rgba(15,15,15,0.2));
}
.lp-hero-content {
  position: relative;
  z-index: 2;
  max-width: 620px;
}
.lp-tag {
  display: inline-block;
  border: 1px solid var(--gold);
  color: var(--gold);
  font-size: 0.68rem;
  letter-spacing: 0.28em;
  padding: 0.35rem 1rem;
  margin-bottom: 1.8rem;
  text-transform: uppercase;
}
.lp-hero h1 {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(2rem, 5vw, 3.6rem);
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: 0.04em;
  margin-bottom: 1.4rem;
  color: var(--text);
}
.lp-hero h1 span { color: var(--gold-light); }
.lp-hero-desc {
  font-size: 0.97rem;
  color: var(--text-sub);
  max-width: 460px;
  margin-bottom: 2.4rem;
  line-height: 2;
}
.lp-btns { display: flex; gap: 1rem; flex-wrap: wrap; }
.lp-btns a { flex: 1; min-width: 200px; text-align: center; }
.lp-btn-primary {
  background: var(--gold);
  color: var(--dark) !important;
  padding: 1rem 2.2rem;
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-decoration: none !important;
  display: inline-block;
  transition: all 0.2s;
  border: none;
}
.lp-btn-primary:hover { background: var(--gold-light); transform: translateY(-2px); }
.lp-btn-outline {
  border: 1px solid var(--text-sub);
  color: var(--text) !important;
  padding: 1rem 2.2rem;
  font-size: 0.9rem;
  letter-spacing: 0.06em;
  text-decoration: none !important;
  display: inline-block;
  transition: all 0.2s;
}
.lp-btn-outline:hover { border-color: var(--gold-light); color: var(--gold-light) !important; }

/* --- セクション共通 --- */
.lp-section { padding: 5.5rem 4rem; }
.lp-section-label {
  font-size: 0.67rem;
  letter-spacing: 0.3em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 0.8rem;
}
.lp-section-title {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(1.5rem, 3vw, 2.3rem);
  font-weight: 600;
  letter-spacing: 0.04em;
  margin-bottom: 0.8rem;
  color: var(--text);
}
.lp-section-sub {
  color: var(--text-sub);
  font-size: 0.94rem;
  max-width: 540px;
  line-height: 2;
}
.lp-divider {
  width: 36px;
  height: 1px;
  background: var(--gold);
  margin: 1.3rem 0;
}

/* --- BEFORE/AFTER ヒーロー下 --- */
.lp-befaft {
  background: var(--dark2);
  padding: 4rem 4rem 5rem;
}
.lp-befaft-img {
  width: 100%;
  max-width: 760px;
  display: block;
  margin: 1.5rem auto 0;
}

/* --- YouTube動画 --- */
.lp-video-wrap {
  background: var(--dark);
  padding: 3rem 4rem;
  text-align: center;
}
.lp-video-thumb {
  display: block;
  position: relative;
  max-width: 720px;
  margin: 0 auto;
  cursor: pointer;
  text-decoration: none;
}
.lp-video-img {
  width: 100%;
  display: block;
  filter: brightness(0.45);
  transition: filter 0.3s;
}
.lp-video-thumb:hover .lp-video-img { filter: brightness(0.6); }
.lp-video-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
}
.lp-video-btn {
  width: 68px;
  height: 68px;
  border: 2px solid var(--gold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
}
.lp-video-thumb:hover .lp-video-btn { background: rgba(184,148,58,0.2); }
.lp-video-label {
  font-size: 0.72rem;
  letter-spacing: 0.25em;
  color: var(--gold-light);
  text-transform: uppercase;
}

/* --- ABOUT --- */
.lp-about {
  background: var(--dark3);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}
.lp-about-imgwrap { position: relative; }
.lp-about-img { width: 100%; aspect-ratio: 4/3; object-fit: cover; display: block; }
.lp-about-img-label {
  position: absolute; bottom: 1rem; left: 1rem;
  background: rgba(15,15,15,0.85);
  border: 1px solid var(--gold);
  color: var(--gold-light);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  padding: 0.35rem 0.8rem;
}
.lp-about p {
  color: var(--text-sub);
  line-height: 2;
  margin-bottom: 1rem;
  font-size: 0.95rem;
}

/* --- FEATURES --- */
.lp-features { background: var(--dark); }
.lp-feat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  margin-top: 3rem;
}
.lp-feat-card {
  background: var(--dark2);
  padding: 2.5rem 2rem;
  border-top: 2px solid transparent;
  transition: border-color 0.3s;
}
.lp-feat-card:hover { border-top-color: var(--gold); }
.lp-feat-num {
  font-family: 'Noto Serif JP', serif;
  font-size: 2.4rem;
  font-weight: 600;
  color: var(--dark2);
  -webkit-text-stroke: 1px var(--gold);
  margin-bottom: 0.9rem;
  line-height: 1;
}
.lp-feat-title {
  font-size: 0.97rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  margin-bottom: 0.7rem;
  color: var(--text);
}
.lp-feat-desc { color: var(--text-sub); font-size: 0.87rem; line-height: 1.9; }

/* --- 対応部位 --- */
.lp-parts { background: var(--dark2); }
.lp-parts-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3px;
  margin-top: 2.5rem;
}
.lp-parts-item { position: relative; overflow: hidden; }
.lp-parts-img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  display: block;
  filter: brightness(0.75);
  transition: filter 0.3s, transform 0.4s;
}
.lp-parts-item:hover .lp-parts-img { filter: brightness(1); transform: scale(1.03); }
.lp-parts-label {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  background: linear-gradient(transparent, rgba(15,15,15,0.85));
  color: var(--text);
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  padding: 1.5rem 1rem 0.8rem;
}

/* --- GALLERY --- */
.lp-gallery { background: var(--dark); }
.lp-gallery-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  grid-template-rows: auto auto;
  gap: 3px;
  margin-top: 2.5rem;
}
.lp-gallery-grid > div:first-child { grid-row: span 2; }
.lp-gimg {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  aspect-ratio: 4/3;
  filter: brightness(0.82);
  transition: filter 0.3s;
}
.lp-gallery-grid > div:first-child .lp-gimg {
  aspect-ratio: unset;
  min-height: 280px;
}
.lp-gimg:hover { filter: brightness(1); }
.lp-gallery-more {
  margin-top: 1.5rem;
  text-align: right;
}

/* --- CASE --- */
/* PC: 左列写真を表示、テキスト内写真を非表示 */
.lp-case-img-wrap { display: block; }
.lp-case-img-sp   { display: none; }
.lp-case {
  background: var(--dark2);
}
.lp-case-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
  max-width: 860px;
  margin: 2.5rem auto 0;
}
.lp-case-img-wrap { width: 100%; }
.lp-case-img { width: 100%; height: auto; display: block; }
.lp-case-table { width: 100%; }
.lp-case-quote {
  font-family: 'Noto Serif JP', serif;
  font-size: 1.1rem;
  line-height: 2;
  color: var(--text);
  border-left: 2px solid var(--gold);
  padding-left: 1.4rem;
  margin: 1.8rem 0;
}
.lp-case-table { background: var(--dark3); padding: 1.4rem; margin-top: 1.2rem; }
.lp-case-row {
  display: flex;
  justify-content: space-between;
  padding: 0.6rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.07);
  font-size: 0.88rem;
}
.lp-case-row:last-child { border-bottom: none; }
.lp-case-label { color: var(--text-sub); }
.lp-case-val { color: var(--gold-light); font-weight: 500; }

/* --- FLOW --- */
.lp-flow { background: var(--dark3); }
.lp-flow-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3rem;
  margin-top: 3rem;
  position: relative;
}
.lp-flow-steps::before {
  content: '';
  position: absolute;
  top: 2rem;
  left: calc(16.67% + 1rem);
  right: calc(16.67% + 1rem);
  height: 1px;
  background: var(--gold);
  opacity: 0.25;
}
.lp-step { text-align: center; }
.lp-step-num {
  width: 4rem; height: 4rem;
  border: 1px solid var(--gold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.4rem;
  font-family: 'Noto Serif JP', serif;
  font-size: 1.1rem;
  color: var(--gold);
  background: var(--dark3);
  position: relative;
  z-index: 1;
}
.lp-step-title {
  font-size: 0.94rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  margin-bottom: 0.6rem;
  color: var(--text);
}
.lp-step-desc { color: var(--text-sub); font-size: 0.85rem; line-height: 1.9; }

/* --- PRICE --- */
.lp-price { background: var(--dark); text-align: center; }
.lp-price-box {
  background: var(--dark2);
  border: 1px solid rgba(184,148,58,0.3);
  padding: 2.8rem;
  max-width: 580px;
  margin: 2.8rem auto 0;
  text-align: left;
}
.lp-price-tag {
  font-family: 'Noto Serif JP', serif;
  font-size: 1.9rem;
  color: var(--gold-light);
  margin: 1rem 0;
}
.lp-price-note { font-size: 0.85rem; color: var(--text-sub); line-height: 2; }

/* --- FAQ --- */
.lp-faq { background: var(--dark2); text-align: center; }
.lp-faq-list { max-width: 700px; margin: 2.8rem auto 0; text-align: left; }
.lp-faq-item { border-bottom: 1px solid rgba(255,255,255,0.08); padding: 1.4rem 0; }
.lp-faq-q {
  font-size: 0.94rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  margin-bottom: 0.7rem;
  display: flex;
  gap: 0.9rem;
  color: var(--text);
}
.lp-faq-q::before {
  content: 'Q';
  color: var(--gold);
  font-family: 'Noto Serif JP', serif;
  flex-shrink: 0;
}
.lp-faq-a { color: var(--text-sub); font-size: 0.87rem; line-height: 2; padding-left: 1.7rem; }

/* --- CTA --- */
.lp-cta {
  background: var(--dark3);
  border-top: 1px solid rgba(184,148,58,0.3);
  text-align: center;
  padding: 6rem 4rem;
}
.lp-cta-company {
  margin-top: 3.5rem;
  font-size: 0.82rem;
  color: var(--text-sub);
  line-height: 2.4;
}
.lp-cta-company strong { color: var(--text); font-weight: 500; }
.lp-cta-logo {
  max-width: 180px;
  margin: 1.5rem auto 0;
  display: block;
  filter: brightness(1.4);
  opacity: 0.75;
}

/* --- フッター --- */
.lp-footer {
  background: var(--dark);
  padding: 1.8rem 4rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid rgba(255,255,255,0.05);
  font-size: 0.77rem;
  color: var(--text-sub);
}
.lp-footer a { color: var(--text-sub); text-decoration: none; }
.lp-footer a:hover { color: var(--gold-light); }

/* ========================================
   レスポンシブ
======================================== */
@media (max-width: 768px) {
  .lp-nav { padding: 1rem 1.2rem; }
  .lp-nav-logo { font-size: 0.8rem; }
  .lp-hero { padding: 5rem 1.5rem 3rem; min-height: 75vh; }
  .lp-section { padding: 4rem 1.5rem; }
  .lp-befaft { padding: 3rem 1.5rem; }
  .lp-video-wrap { padding: 2.5rem 1.5rem; }

  .lp-about { grid-template-columns: 1fr; gap: 2rem; }
  .lp-case-inner { grid-template-columns: 1fr; gap: 2rem; }
  /* SP: 左列写真を非表示、テキスト内写真を表示 */
  .lp-case-img-wrap { display: none; }
  .lp-case-img-sp {
    display: block;
    width: 100%;
    aspect-ratio: 1/1;
    object-fit: cover;
    margin: 1.5rem 0;
  }
  /* スマホ：左列の写真を非表示にして、テキスト内の写真を表示 */


  .lp-feat-grid { grid-template-columns: 1fr; gap: 2px; }
  .lp-parts-grid { grid-template-columns: 1fr 1fr; }

  .lp-gallery-grid {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto;
  }
  .lp-gallery-grid > div:first-child { grid-row: auto; }
  .lp-gallery-grid > div:first-child .lp-gimg { min-height: auto; }

  .lp-flow-steps { grid-template-columns: 1fr; gap: 2rem; }
  .lp-flow-steps::before { display: none; }

  .lp-price-box { padding: 1.8rem; }
  .lp-cta { padding: 4rem 1.5rem; }
  .lp-footer { flex-direction: column; gap: 0.8rem; text-align: center; padding: 1.8rem 1.5rem; }
}