/* ==========================================
   M Agency - Global Styles
   ========================================== */
:root {
  --primary: #0a1b33;
  --primary-light: #16315c;
  --accent: #d4af37;
  --text: #333333;
  --text-light: #666666;
  --bg-light: #f8f9fa;
  --bg-dark: #0a1b33;
  --white: #ffffff;
  --font-sans: 'Inter', 'Noto Sans JP', sans-serif;
  --transition: all 0.3s ease;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-sans);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Skip Link */
.skip-link {
  position: absolute;
  top: -100px;
  left: 0;
  background: var(--accent);
  color: var(--primary);
  padding: 10px 20px;
  z-index: 9999;
}
.skip-link:focus { top: 0; }

/* Header */
.site-header {
  background: var(--white);
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: 10px 0;
}

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

.brand {
  display: flex;
  align-items: center;
  text-decoration: none;
  color: var(--primary);
}

.brand-logo-wrap {
  margin-right: 12px;
  background: var(--bg-light);
  border-radius: 8px;
  padding: 4px;
}

.brand-copy strong {
  display: block;
  font-size: 1.1rem;
}
.brand-copy small {
  font-size: 0.8rem;
  color: var(--text-light);
}

.nav-panel a {
  margin-left: 24px;
  text-decoration: none;
  color: var(--text);
  font-weight: 500;
  transition: var(--transition);
}

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

.nav-panel .nav-cta {
  background: var(--primary);
  color: var(--white);
  padding: 8px 20px;
  border-radius: 4px;
}
.nav-panel .nav-cta:hover { background: var(--accent); color: var(--primary); }

.lang-switch {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-left: 20px;
}
.lang-btn {
  background: none;
  border: none;
  cursor: pointer;
  font-weight: bold;
  color: var(--text-light);
}
.lang-btn.active { color: var(--accent); }

.nav-toggle { display: none; }

/* Hero */
.hero {
  padding: 8px 0;
  background: linear-gradient(135deg, #0a1b33 0%, #11294a 100%);
  color: var(--white);
  min-height: 80vh;
  display: flex;
  align-items: center;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.eyebrow {
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 2px;
  font-weight: 600;
  margin-bottom: 15px;
}

.hero-title {
  font-size: 3rem;
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 24px;
}
.hero-title span { display: block; }

.hero-sub {
  font-size: 1.1rem;
  color: #ccd6f6;
  margin-bottom: 40px;
}

.btn {
  display: inline-block;
  padding: 12px 32px;
  border-radius: 4px;
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition);
  cursor: pointer;
}
.btn-primary { background: var(--accent); color: var(--primary); margin-right: 16px; }
.btn-primary:hover { background: var(--white); }
.btn-secondary { border: 2px solid var(--white); color: var(--white); }
.btn-secondary:hover { background: var(--white); color: var(--primary); }

.hero-panel-inner {
  background: rgba(255,255,255,0.05);
  padding: 40px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.1);
  backdrop-filter: blur(10px);
}

.hero-panel-brand {
  display: flex;
  align-items: center;
  gap: 20px;
}
.panel-label { color: var(--accent); font-size: 0.9rem; text-transform: uppercase; }
.panel-title { font-size: 1.5rem; font-weight: 700; }

/* Sections */
.section { padding: 100px 0; scroll-margin-top: 90px; } /* sticky header分のオフセットを確保し、アンカージャンプ時に見出しが隠れないようにする */
.section-soft { background: var(--bg-light); }
.section-dark { background: var(--bg-dark); color: var(--white); }

.section-head { margin-bottom: 60px; max-width: 600px; }
.section-head.center { margin: 0 auto 60px; text-align: center; }
.section-kicker { color: var(--accent); font-weight: 600; text-transform: uppercase; margin-bottom: 10px; }
h2 { font-size: 2.5rem; color: var(--primary); margin-bottom: 20px; }
.section-dark h2 { color: var(--white); }

/* Intro Band */
.intro-band { background: var(--bg-light); padding: 30px 0; text-align: center; }
.intro-band-inner { display: flex; justify-content: center; gap: 20px; font-weight: bold; color: var(--primary); }

/* About */
.about-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 60px; align-items: center; }
.about-photo-frame { border: 4px solid var(--accent); border-radius: 8px; overflow: hidden; }
.about-photo-img { width: 100%; display: block; filter: grayscale(20%); }
.about-photo-meta { margin-top: 15px; }

.message-card { background: var(--bg-light); padding: 30px; border-left: 4px solid var(--accent); margin: 30px 0; }
.about-points { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.about-card { background: var(--white); padding: 20px; border-radius: 8px; box-shadow: 0 4px 15px rgba(0,0,0,0.05); }
.card-label { color: var(--accent); font-weight: bold; font-size: 0.8rem; text-transform: uppercase; }

/* Dynamic Grids */
.services-grid, .reasons-grid, .metrics-grid, .testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.service-card, .reason-card, .metric-card, .testimonial-card {
  background: var(--white);
  padding: 30px;
  border-radius: 8px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.05);
  transition: var(--transition);
}
.service-card:hover { transform: translateY(-5px); }
.metric-card { background: rgba(255,255,255,0.05); color: var(--white); text-align: center; }
.metric-num { font-size: 3rem; font-weight: 800; color: var(--accent); }

/* Service cards are now clickable links (<a>) that jump to #network */
.service-card {
  display: block;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
  border: 1px solid transparent;
  overflow: hidden;
}
.service-card:hover {
  border-color: var(--accent);
  box-shadow: 0 8px 24px rgba(212,175,55,0.18);
}
.service-card-photo {
  width: 100%;
  height: 160px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 18px;
  display: block;
  background: var(--bg-light); /* 画像が届く前/読み込み失敗時の背景 */
  transition: transform 0.4s ease;
}
.service-card:hover .service-card-photo {
  transform: scale(1.06);
}
.service-card h3 {
  color: var(--primary);
  margin-bottom: 10px;
  font-size: 1.15rem;
}
.service-card p {
  color: var(--text-light);
  margin-bottom: 16px;
}
.service-card-arrow {
  display: inline-block;
  color: var(--accent);
  font-weight: 700;
  font-size: 0.9rem;
  transition: var(--transition);
}
.service-card:hover .service-card-arrow {
  transform: translateX(4px);
}

/* Partner Network: category tabs */
.partner-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 40px;
}
.partner-tab {
  padding: 10px 22px;
  border: 1px solid #ddd;
  background: var(--white);
  border-radius: 30px;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-light);
  transition: var(--transition);
  font-family: inherit;
}
.partner-tab:hover {
  border-color: var(--accent);
  color: var(--primary);
}
.partner-tab.active {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--white);
}

/* Partner Network: partner cards grid */
/* PC: 常に2列 / スマホ: 1列（下部の @media (max-width: 768px) で上書き） */
.partner-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
  align-items: stretch; /* カードの高さを揃える */
}
.partner-card {
  display: flex;
  flex-direction: column;
  height: 100%; /* グリッド内で高さを揃える */
  background: var(--white);
  padding: 30px;
  border-radius: 8px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.05);
  transition: var(--transition);
}
.partner-card:hover { transform: translateY(-5px); }
.partner-card h3 {
  color: var(--primary);
  margin-bottom: 10px;
  font-size: 1.1rem;
}
.partner-card p {
  color: var(--text-light);
  margin-bottom: 15px;
  flex-grow: 1; /* 説明文の長さに関わらず、ボタンをカード下端に揃える */
}
.partner-link {
  color: var(--accent);
  font-weight: 600;
  text-decoration: none;
  font-size: 0.9rem;
}
.partner-link:hover { text-decoration: underline; }

/* Partner card image (company photo) */
.partner-card-image {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 20px;
  background: var(--bg-light); /* 画像読み込み前/失敗時の背景 */
}

/* 写真が届くまでの仮表示（届いたら <img class="partner-card-image"> に置き換える） */
.partner-photo-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #eef1f5 0%, #e2e6ec 100%);
  color: var(--text-light);
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 1px;
}

/* 公式サイトへ飛ぶボタン（partner-linkより目立たせたい場合はこちらを使う） */
.partner-visit-btn {
  display: inline-block;
  align-self: flex-start; /* flex化したカード内でボタン幅がコンテンツ幅のままになるように */
  margin-top: auto; /* 説明文の長さに関わらずカード下端に揃える */
  padding: 8px 20px;
  border: 2px solid var(--primary);
  border-radius: 4px;
  color: var(--primary);
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  transition: var(--transition);
}
.partner-visit-btn:hover {
  background: var(--primary);
  color: var(--white);
}

.partner-empty {
  grid-column: 1 / -1;
  text-align: center;
  color: var(--text-light);
  padding: 40px 0;
}

/* FAQ */
.faq-item { border-bottom: 1px solid #e0e0e0; padding: 20px 0; }
.faq-question { font-weight: bold; color: var(--primary); cursor: pointer; }
.faq-answer { margin-top: 10px; color: var(--text-light); }

/* Contact Form */
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 60px; }
.contact-form { background: var(--bg-light); padding: 40px; border-radius: 8px; }
.field-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 20px; }
label { display: block; margin-bottom: 20px; }
label span { display: block; font-weight: 600; margin-bottom: 8px; }
input, textarea { width: 100%; padding: 12px; border: 1px solid #ccc; border-radius: 4px; font-family: inherit; }
.btn.full { width: 100%; background: var(--primary); color: var(--white); }
.btn.full:hover { background: var(--accent); color: var(--primary); }

/* Footer */
.site-footer { background: var(--bg-dark); color: rgba(255,255,255,0.7); padding: 8px 0 30px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr repeat(3, 1fr); gap: 40px; margin-bottom: 40px; }
.footer-brand { display: flex; align-items: center; gap: 15px; color: var(--white); }
.footer-list { list-style: none; }
.footer-list li, .footer-list a { color: rgba(255,255,255,0.7); text-decoration: none; margin-bottom: 10px; display: block; }
.footer-list a:hover { color: var(--accent); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 30px; text-align: center; }

/* Responsive */
@media (max-width: 768px) {
  .hero-grid, .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .partner-grid { grid-template-columns: 1fr; }
  .nav-panel { display: none; }
  .nav-toggle { display: block; background: none; border: none; font-size: 1.5rem; color: var(--primary); }
  .footer-grid { grid-template-columns: 1fr; }
}