@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,200;0,9..144,300;0,9..144,400;1,9..144,200;1,9..144,300;1,9..144,400&family=Syne:wght@400;500;600;700&family=Noto+Sans+JP:wght@300;400;500&display=swap');

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

:root {
  --white: #ffffff;
  --off: #fafaf8;
  --ink: #141414;
  --ink-mid: #3a3a38;
  --ink-light: #7a7a76;
  --rule: rgba(20,20,20,0.1);
  --navy: #1a2438;
  --gold: #a07830;
  --gold-light: #c8a050;
  --green: #2a5c45;
  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Syne', 'Noto Sans JP', sans-serif;
  --font-ja: 'Noto Sans JP', sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--white);
  color: var(--ink);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
body.ja { font-family: var(--font-ja); }

/* NAV */
.adv-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; justify-content: space-between; align-items: center;
  padding: 20px 60px;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--rule);
}
.adv-nav-logo {
  font-family: var(--font-display);
  font-size: 18px; font-weight: 400; letter-spacing: 0.02em;
  color: var(--ink); text-decoration: none;
}
.adv-nav-logo span { color: var(--gold); }
.adv-nav-links {
  display: flex; gap: 36px; list-style: none; align-items: center;
}
.adv-nav-links a {
  font-size: 13px; font-weight: 500; letter-spacing: 0.06em;
  text-transform: uppercase; color: var(--ink-light);
  text-decoration: none; transition: color 0.2s;
}
.adv-nav-links a:hover { color: var(--gold); }
.lang-pill {
  display: flex; gap: 4px; align-items: center;
  padding-left: 20px; margin-left: 4px;
  border-left: 1px solid var(--rule);
}
.lang-pill a {
  font-size: 12px !important; font-weight: 600 !important;
  color: var(--ink-light) !important; text-transform: none !important;
}
.lang-pill a.on { color: var(--gold) !important; }
.lang-pill span { font-size: 11px; color: var(--rule); }

/* HERO */
.adv-hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 0;
  padding-top: 80px;
}
.adv-hero-left {
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 80px 60px 80px 60px;
  background: var(--white);
  border-right: 1px solid var(--rule);
}
.adv-hero-right {
  display: flex; flex-direction: column;
  background: var(--navy);
}
.adv-photo-area {
  flex: 1;
  display: flex; align-items: center; justify-content: center;
  padding: 48px 40px 24px;
  position: relative;
}
.adv-photo-placeholder {
  width: 100%; aspect-ratio: 3/4;
  max-height: 400px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 12px;
}
.adv-photo-placeholder svg {
  width: 48px; height: 48px; opacity: 0.25;
}
.adv-photo-placeholder p {
  font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase;
  color: rgba(255,255,255,0.25);
}
.adv-photo-img {
  width: 100%; aspect-ratio: 3/4; max-height: 400px;
  object-fit: cover; object-position: center top;
  display: block;
}
.adv-hero-card {
  padding: 32px 40px 48px;
  border-top: 1px solid rgba(255,255,255,0.08);
}
.adv-hero-card .name {
  font-family: var(--font-display);
  font-size: 22px; font-weight: 300; color: var(--white);
  margin-bottom: 4px;
}
.adv-hero-card .title {
  font-size: 12px; font-weight: 500; letter-spacing: 0.1em;
  text-transform: uppercase; color: rgba(255,255,255,0.4);
  margin-bottom: 20px;
}
.adv-hero-card .tags {
  display: flex; flex-wrap: wrap; gap: 6px;
}
.adv-tag {
  font-size: 11px; font-weight: 600; letter-spacing: 0.06em;
  text-transform: uppercase; color: var(--gold-light);
  background: rgba(200,160,80,0.12);
  border: 1px solid rgba(200,160,80,0.25);
  padding: 3px 9px; border-radius: 2px;
}

.adv-eyebrow {
  font-size: 12px; font-weight: 600; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--gold);
  margin-bottom: 20px;
}
.adv-hero-h1 {
  font-family: var(--font-display);
  font-size: clamp(32px, 3.8vw, 54px); font-weight: 300;
  letter-spacing: -0.02em; line-height: 1.12;
  color: var(--ink); margin-bottom: 28px;
}
.adv-hero-h1 em { font-style: italic; color: var(--gold); }
.adv-hero-sub {
  font-size: 17px; color: var(--ink-mid); line-height: 1.8;
  max-width: 520px; margin-bottom: 44px;
  border-left: 2px solid var(--gold); padding-left: 20px;
}
.adv-cta {
  display: inline-flex; align-items: center; gap: 10px;
  background: var(--navy); color: var(--white);
  font-size: 14px; font-weight: 600; letter-spacing: 0.08em;
  text-transform: uppercase; text-decoration: none;
  padding: 15px 32px; transition: background 0.2s;
}
.adv-cta:hover { background: var(--gold); }
.adv-cta-ghost {
  display: inline-flex; align-items: center; gap: 10px;
  color: var(--navy); font-size: 14px; font-weight: 600;
  letter-spacing: 0.08em; text-transform: uppercase;
  text-decoration: none;
  border: 1px solid var(--navy); padding: 15px 32px;
  margin-left: 16px; transition: all 0.2s;
}
.adv-cta-ghost:hover { background: var(--navy); color: var(--white); }

/* SECTIONS */
.adv-section { padding: 96px 60px; }
.adv-section-label {
  font-size: 11px; font-weight: 700; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--gold);
  margin-bottom: 14px;
}
.adv-section-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 3vw, 44px); font-weight: 300;
  letter-spacing: -0.02em; line-height: 1.2;
  color: var(--ink); margin-bottom: 48px;
}
.adv-section-title em { font-style: italic; color: var(--gold); }

/* PAIN POINTS */
.adv-pains { background: var(--off); }
.adv-pains-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px;
  background: var(--rule); margin-top: 16px;
}
.adv-pain {
  background: var(--off); padding: 28px 28px;
  display: flex; align-items: flex-start; gap: 14px;
  transition: background 0.2s;
}
.adv-pain:hover { background: var(--white); }
.adv-pain-num {
  font-family: var(--font-display); font-size: 28px; font-weight: 200;
  color: rgba(160,120,48,0.3); line-height: 1; flex-shrink: 0; min-width: 32px;
}
.adv-pain p { font-size: 15px; color: var(--ink-mid); line-height: 1.65; padding-top: 4px; }

/* WHY SECTION */
.adv-why { background: var(--navy); color: var(--white); }
.adv-why-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }
.adv-why .adv-section-label { color: rgba(255,255,255,0.4); }
.adv-why .adv-section-title { color: var(--white); margin-bottom: 24px; }
.adv-why .adv-section-title em { color: var(--gold-light); }
.adv-why-body { font-size: 17px; color: rgba(255,255,255,0.75); line-height: 1.85; }
.adv-three {
  display: flex; flex-direction: column; gap: 0;
  border: 1px solid rgba(255,255,255,0.1);
}
.adv-three-item {
  padding: 28px 32px; border-bottom: 1px solid rgba(255,255,255,0.08);
  display: flex; gap: 20px; align-items: flex-start;
}
.adv-three-item:last-child { border-bottom: none; }
.adv-three-num {
  font-family: var(--font-display); font-size: 32px; font-weight: 200;
  color: rgba(200,160,80,0.3); line-height: 1; flex-shrink: 0;
}
.adv-three-content h4 {
  font-size: 15px; font-weight: 700; letter-spacing: 0.06em;
  text-transform: uppercase; color: var(--gold-light); margin-bottom: 6px;
}
.adv-three-content p { font-size: 15px; color: rgba(255,255,255,0.6); line-height: 1.6; }

/* AREAS */
.adv-areas { background: var(--white); }
.adv-areas-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2px; background: var(--rule); }
.adv-area {
  background: var(--white); padding: 44px 44px; transition: background 0.2s;
}
.adv-area:hover { background: var(--off); }
.adv-area-num {
  font-family: var(--font-display); font-size: 52px; font-weight: 200;
  color: rgba(160,120,48,0.12); line-height: 1; margin-bottom: 12px;
}
.adv-area h3 {
  font-family: var(--font-display); font-size: 22px; font-weight: 400;
  letter-spacing: -0.01em; color: var(--ink); margin-bottom: 6px;
}
.adv-area .area-sub {
  font-size: 12px; font-weight: 700; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--gold);
  margin-bottom: 18px; display: block;
}
.adv-area p { font-size: 15px; color: var(--ink-mid); line-height: 1.75; margin-bottom: 20px; }
.adv-bullets { display: flex; flex-direction: column; gap: 7px; }
.adv-bullet {
  display: flex; align-items: flex-start; gap: 10px;
  font-size: 14px; color: var(--ink-mid); line-height: 1.5;
}
.adv-bullet::before {
  content: ''; width: 4px; height: 4px; border-radius: 50%;
  background: var(--gold); flex-shrink: 0; margin-top: 8px;
}

/* BACKGROUND */
.adv-background { background: var(--off); }
.adv-background-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
.adv-bg-list { display: flex; flex-direction: column; gap: 0; }
.adv-bg-item {
  display: grid; grid-template-columns: 120px 1fr;
  gap: 24px; padding: 22px 0;
  border-top: 1px solid var(--rule);
}
.adv-bg-item:last-child { border-bottom: 1px solid var(--rule); }
.adv-bg-period {
  font-size: 12px; font-weight: 500; letter-spacing: 0.04em;
  color: var(--ink-light); line-height: 1.5; padding-top: 3px;
}
.adv-bg-content h4 {
  font-size: 15px; font-weight: 600; color: var(--ink); margin-bottom: 4px; line-height: 1.3;
}
.adv-bg-content p { font-size: 14px; color: var(--ink-light); line-height: 1.55; }
.adv-bg-highlight {
  background: var(--navy); padding: 40px; margin-top: 32px; display: none;
}
.adv-stats { display: flex; flex-direction: column; gap: 28px; }
.adv-stat {}
.adv-stat-num {
  font-family: var(--font-display); font-size: 44px; font-weight: 200;
  color: var(--gold); line-height: 1; margin-bottom: 6px;
}
.adv-stat-label { font-size: 13px; color: var(--ink-light); }
.adv-stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px; background: var(--rule); margin-top: 48px; }
.adv-stat-card {
  background: var(--off); padding: 32px 28px;
}
.adv-stat-card .num {
  font-family: var(--font-display); font-size: 48px; font-weight: 200;
  color: var(--navy); line-height: 1; margin-bottom: 8px;
}
.adv-stat-card .lbl { font-size: 13px; color: var(--ink-light); line-height: 1.5; }

/* ENGAGEMENTS */
.adv-engagements { background: var(--white); }
.adv-eng-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px; background: var(--rule); margin-top: 8px; }
.adv-eng {
  background: var(--white); padding: 36px 32px; transition: background 0.2s;
}
.adv-eng:hover { background: var(--off); }
.adv-eng-icon { font-size: 28px; margin-bottom: 16px; display: block; }
.adv-eng h4 {
  font-family: var(--font-display); font-size: 18px; font-weight: 400;
  color: var(--ink); margin-bottom: 10px;
}
.adv-eng p { font-size: 14px; color: var(--ink-light); line-height: 1.65; }

/* CONTACT */
.adv-contact { background: var(--navy); }
.adv-contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: start; }
.adv-contact .adv-section-label { color: rgba(255,255,255,0.4); }
.adv-contact .adv-section-title { color: var(--white); }
.adv-contact .adv-section-title em { color: var(--gold-light); }
.adv-contact-body { font-size: 17px; color: rgba(255,255,255,0.65); line-height: 1.85; margin-bottom: 36px; }
.adv-contact-info { display: flex; flex-direction: column; gap: 20px; }
.adv-contact-row { display: flex; flex-direction: column; gap: 4px; }
.adv-contact-row dt {
  font-size: 11px; font-weight: 700; letter-spacing: 0.12em;
  text-transform: uppercase; color: rgba(255,255,255,0.3);
}
.adv-contact-row dd { font-size: 16px; color: rgba(255,255,255,0.85); }
.adv-contact-row a { color: var(--gold-light); text-decoration: none; }
.adv-contact-row a:hover { text-decoration: underline; }
.adv-contact-note {
  margin-top: 40px; padding: 28px 32px;
  border: 1px solid rgba(255,255,255,0.1);
  font-size: 14px; color: rgba(255,255,255,0.5); line-height: 1.7;
}

/* FOOTER */
.adv-footer {
  background: var(--ink); border-top: 1px solid rgba(255,255,255,0.05);
  padding: 28px 60px; display: flex;
  justify-content: space-between; align-items: center;
}
.adv-footer-logo {
  font-family: var(--font-display); font-size: 16px; font-weight: 400;
  color: rgba(255,255,255,0.35); text-decoration: none;
}
.adv-footer-copy { font-size: 13px; color: rgba(255,255,255,0.2); }

/* ANIMATIONS */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
.adv-eyebrow { animation: fadeUp 0.5s ease both; }
.adv-hero-h1 { animation: fadeUp 0.5s 0.08s ease both; }
.adv-hero-sub { animation: fadeUp 0.5s 0.16s ease both; }
.adv-cta-wrap { animation: fadeUp 0.5s 0.24s ease both; }

/* RESPONSIVE */
@media (max-width: 960px) {
  .adv-nav { padding: 18px 24px; }
  .adv-nav-links { gap: 18px; }
  .adv-hero { grid-template-columns: 1fr; }
  .adv-hero-right { display: none; }
  .adv-hero-left { padding: 80px 24px 60px; }
  .adv-section { padding: 64px 24px; }
  .adv-pains-grid { grid-template-columns: 1fr; }
  .adv-why-grid { grid-template-columns: 1fr; gap: 40px; }
  .adv-areas-grid { grid-template-columns: 1fr; }
  .adv-background-grid { grid-template-columns: 1fr; gap: 40px; }
  .adv-bg-item { grid-template-columns: 100px 1fr; }
  .adv-stats-grid { grid-template-columns: 1fr; }
  .adv-eng-grid { grid-template-columns: 1fr; }
  .adv-contact-grid { grid-template-columns: 1fr; gap: 44px; }
  .adv-footer { flex-direction: column; gap: 8px; padding: 24px; text-align: center; }
}