/* ==========================================================================
   カラーパレット & 共通変数設定
   ========================================================================== */
:root {
  --color-primary: #0D1B2A;    /* ディープネイビー */
  --color-accent: #C89D7C;     /* キャメルベージュ */
  --color-bg-light: #FDFCF8;   /* オフホワイト */
  --color-text-dark: #0D1B2A;
  --color-text-light: #FDFCF8;
  --color-text-muted: rgba(253, 252, 248, 0.7);
  --border-subtle: rgba(200, 157, 124, 0.25);
  --font-base: 'Montserrat', 'Noto Sans JP', sans-serif;
}

/* リセット & 全体設定 */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-base);
  background-color: var(--color-primary);
  color: var(--color-text-light);
  line-height: 1.8;
  letter-spacing: 0.04em;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
  transition: opacity 0.25s ease, color 0.25s ease;
}

a:hover {
  opacity: 0.8;
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
}

/* ==========================================================================
   ヘッダー
   ========================================================================== */
.header {
  position: sticky;
  top: 0;
  background-color: rgba(13, 27, 42, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-subtle);
  z-index: 100;
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.logo-img {
  height: 32px;
  width: auto;
  display: block;
  filter: brightness(0) invert(1);
}

.nav ul {
  display: flex;
  gap: 32px;
  list-style: none;
}

.nav a {
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--color-text-light);
}

.nav a:hover {
  color: var(--color-accent);
}

/* ==========================================================================
   ヒーローセクション
   ========================================================================== */
.hero {
  background-color: var(--color-primary);
  border-bottom: 1px solid var(--border-subtle);
  overflow: hidden;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  min-height: 540px;
  align-items: center;
}

.hero-content {
  padding: 80px 40px 80px 0;
  border-right: 1px solid var(--border-subtle);
}

.hero-tag {
  display: inline-block;
  color: var(--color-accent);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.hero-content h2 {
  font-size: 2.75rem;
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 24px;
  letter-spacing: -0.01em;
}

.hero-content p {
  color: var(--color-text-muted);
  font-size: 1.05rem;
  margin-bottom: 36px;
  max-width: 480px;
}

.hero-visual-panel {
  position: relative;
  height: 100%;
  min-height: 400px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at center, rgba(200, 157, 124, 0.08) 0%, transparent 70%);
}

.watermark-amp {
  font-size: 18rem;
  font-family: 'Montserrat', serif;
  font-weight: 300;
  color: rgba(200, 157, 124, 0.15);
  user-select: none;
  line-height: 1;
}

/* ==========================================================================
   期間限定キャンペーンバナー（表示・非表示スイッチ）
   ========================================================================== */
.campaign-floating-badge {
  /* ▼ ここでON/OFF！消したいときはコメントを外す（現在は非表示設定） ▼ */
  /* display: none !important; */

  margin-top: -30px;
  z-index: 2;
  background: rgba(13, 27, 42, 0.85);
  border: 1px solid var(--color-accent);
  border-radius: 8px;
  padding: 12px 20px;
  text-align: center;
  backdrop-filter: blur(8px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
  transition: all 0.3s cubic-bezier(0.25, 1, 0.5, 1);
  text-decoration: none;
  max-width: 280px;
  width: 90%;
}


.campaign-floating-badge:hover {
  transform: translateY(-4px);
  background: rgba(200, 157, 124, 0.15);
  box-shadow: 0 12px 28px rgba(200, 157, 124, 0.3);
  opacity: 1;
}

.campaign-badge-tag {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  background: rgba(200, 157, 124, 0.15);
  padding: 2px 8px;
  border-radius: 12px;
  margin-bottom: 6px;
}

.campaign-badge-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-text-light);
  line-height: 1.3;
  margin-bottom: 4px;
}

.campaign-badge-price {
  font-size: 0.75rem;
  font-weight: 600;
  color: #fb923c;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

/* ==========================================================================
   セクション共通
   ========================================================================== */
.section {
  padding: 100px 0;
}

.section-header {
  margin-bottom: 60px;
}

.text-center {
  text-align: center;
}

.sub-title {
  color: var(--color-accent);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  display: block;
  margin-bottom: 10px;
}

.title {
  font-size: 2.2rem;
  font-weight: 700;
  letter-spacing: 0.03em;
}

.section-lead {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  margin-top: 12px;
  letter-spacing: 0.05em;
}

/* ==========================================================================
   Services セクション（6事業グリッド & 動画完全対応）
   ========================================================================== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 32px;
}

.service-card {
  background-color: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-subtle);
  padding: 30px 24px;
  border-radius: 4px;
  position: relative;
  transition: all 0.35s cubic-bezier(0.25, 1, 0.5, 1);
}

.service-card:hover {
  transform: translateY(-6px);
  border-color: var(--color-accent);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.25);
  background-color: rgba(200, 157, 124, 0.03);
}

.service-num {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: 0.1em;
  margin-bottom: 12px;
}

.service-img-frame {
  margin-bottom: 20px;
  border: 1px solid rgba(200, 157, 124, 0.3);
  padding: 6px;
  background-color: rgba(13, 27, 42, 0.6);
  border-radius: 4px;
  overflow: hidden;
}

/* ダミー画像の固定 */
.service-img-frame .dummy-img {
  width: 100%;
  height: 170px;
  background-color: rgba(200, 157, 124, 0.08);
  border: 1px dashed var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.05em;
}

/* 動画のサイズ完全統一固定 */
.service-video {
  width: 100%;
  max-width: 100%;
  height: 170px;
  object-fit: cover;
  display: block;
  border-radius: 2px;
  transition: transform 0.4s ease;
}

.service-card:hover .service-video {
  transform: scale(1.03);
}

.service-category {
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
  font-weight: 600;
  display: block;
  margin-bottom: 6px;
}

.service-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 14px;
  color: var(--color-text-light);
  letter-spacing: 0.05em;
}

.service-card p {
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--color-text-muted);
}

/* ==========================================================================
   フィロソフィー（ベージュトーン）
   ========================================================================== */
.section-beige {
  background-color: var(--color-accent);
  color: var(--color-primary);
}

.section-beige .sub-title {
  color: #ffffff;
}

.split-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.split-text h2 {
  font-size: 2.4rem;
  line-height: 1.4;
  margin-bottom: 24px;
}

.split-text p {
  font-size: 1.05rem;
  color: #231d17;
}

.philosophy-card {
  border: 1px solid rgba(13, 27, 42, 0.2);
  border-radius: 4px;
  overflow: hidden;
}

.philosophy-img {
  width: 100%;
  height: 340px;
  object-fit: cover;
  display: block;
}

.philosophy-card .dummy-img.large {
  height: 340px;
  background-color: rgba(13, 27, 42, 0.15);
  border: 1px solid rgba(13, 27, 42, 0.2);
  color: var(--color-primary);
}

/* ==========================================================================
   コンタクト & フッター（オフホワイト背景）
   ========================================================================== */
.footer-section {
  background-color: var(--color-bg-light);
  color: var(--color-primary);
  border-top: 1px solid rgba(13, 27, 42, 0.08);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  margin-bottom: 80px;
}

.footer-logo {
  height: 36px;
  width: auto;
  filter: none;
  margin-bottom: 20px;
}

.footer-desc {
  color: #555555;
  font-size: 0.95rem;
  margin-bottom: 30px;
  max-width: 400px;
}

.quick-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.quick-links a {
  color: var(--color-accent);
  font-size: 0.95rem;
  font-weight: 600;
  transition: opacity 0.2s ease;
}

.quick-links a:hover {
  opacity: 0.7;
}

.form-title {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 24px;
  color: var(--color-primary);
  letter-spacing: 0.02em;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
  color: var(--color-primary);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  background-color: #ffffff;
  border: 1px solid rgba(13, 27, 42, 0.18);
  border-radius: 4px;
  color: var(--color-primary);
  font-family: inherit;
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(200, 157, 124, 0.15);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: #aaa;
}

.footer-section .btn-accent {
  background-color: var(--color-primary);
  color: #ffffff;
  width: 100%;
  font-weight: 600;
  letter-spacing: 0.1em;
  transition: background-color 0.25s ease, transform 0.2s ease;
}

.footer-section .btn-accent:hover {
  background-color: var(--color-accent);
  color: #ffffff;
  transform: translateY(-2px);
}

.copyright {
  text-align: center;
  border-top: 1px solid rgba(13, 27, 42, 0.08);
  padding-top: 40px;
  font-size: 0.8rem;
  color: #888888;
}

/* ==========================================================================
   ボタン共通
   ========================================================================== */
.btn {
  display: inline-block;
  padding: 14px 38px;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: 4px;
  cursor: pointer;
  border: none;
  transition: all 0.3s ease;
}

.btn-outline {
  border: 1px solid var(--color-accent);
  color: var(--color-accent);
  background: transparent;
}

.btn-outline:hover {
  background-color: var(--color-accent);
  color: var(--color-primary);
  opacity: 1;
}

/* 写真（JPG/PNG）も動画と全く同じ高さ・挙動に統一 */
.service-img {
  width: 100%;
  max-width: 100%;
  height: 170px;
  object-fit: cover;
  display: block;
  border-radius: 2px;
  transition: transform 0.4s ease;
}

.service-card:hover .service-img {
  transform: scale(1.03);
}

/* ==========================================================================
   レスポンシブ対応
   ========================================================================== */
@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 768px) {
  .hero-grid,
  .split-layout,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero-content {
    padding: 40px 0;
    border-right: none;
    border-bottom: 1px solid var(--border-subtle);
  }

  .hero-visual-panel {
    min-height: 200px;
  }

  .watermark-amp {
    font-size: 10rem;
  }

  /* スマホヘッダーの最適化 */
  header,
  .header-container,
  nav {
    padding: 12px 16px !important;
  }

  header img,
  .logo img,
  .site-logo img {
    height: 22px !important;
    width: auto !important;
    max-width: none !important;
  }

  .logo,
  .site-logo,
  header h1,
  header .brand {
    font-size: 1.15rem !important;
    white-space: nowrap !important;
  }

  header nav ul,
  header .nav-links,
  header .menu {
    gap: 10px !important;
  }

  header nav a,
  header .nav-links a,
  header .menu a {
    font-size: 0.75rem !important;
    padding: 2px 4px !important;
  }
}

@media (max-width: 640px) {
  .services-grid {
    grid-template-columns: 1fr;
  }
}