/*
  SOLE AI — Landing Page Stylesheet
  Design Philosophy: Dark Intelligence × Tech Minimalism
  「唯一（Sole）」であり「魂（Soul）」であること
  Color: #0A0A0A (bg) × #FFFFFF (text) × #141414 (card)
  Typography: Noto Sans JP + Noto Serif JP + Space Grotesk
*/

/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  background-color: #0A0A0A;
  color: #FFFFFF;
  font-family: 'Noto Sans JP', sans-serif;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }

/* ===== TYPOGRAPHY ===== */
.section-label {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 11px; font-weight: 500;
  letter-spacing: 0.2em; text-transform: uppercase;
  color: rgba(255,255,255,0.35); margin-bottom: 20px;
}
.section-title {
  font-size: clamp(30px, 5vw, 52px); font-weight: 900;
  line-height: 1.2; letter-spacing: -0.02em; margin-bottom: 24px;
}
.section-title-sm {
  font-size: clamp(24px, 4vw, 38px); font-weight: 900;
  line-height: 1.25; letter-spacing: -0.02em; margin-bottom: 20px;
}
.section-desc {
  font-size: 16px; color: rgba(255,255,255,0.55);
  line-height: 2; margin-bottom: 60px;
}

/* ===== BUTTONS ===== */
.btn-primary {
  display: inline-block; background: #FFFFFF; color: #0A0A0A;
  font-family: 'Noto Sans JP', sans-serif; font-weight: 700;
  font-size: 15px; padding: 16px 36px; border-radius: 100px;
  transition: all 0.25s ease; cursor: pointer; border: none; white-space: nowrap;
}
.btn-primary:hover { background: #E0E0E0; transform: translateY(-1px); }
.btn-primary-sm {
  display: inline-block; background: #FFFFFF; color: #0A0A0A;
  font-family: 'Noto Sans JP', sans-serif; font-weight: 700;
  font-size: 13px; padding: 10px 22px; border-radius: 100px; transition: all 0.25s ease;
}
.btn-primary-sm:hover { background: #E0E0E0; }
.btn-ghost {
  display: inline-block; background: transparent; color: rgba(255,255,255,0.65);
  font-family: 'Noto Sans JP', sans-serif; font-weight: 500;
  font-size: 15px; padding: 16px 0; transition: color 0.2s ease;
}
.btn-ghost:hover { color: #FFFFFF; }
.btn-login {
  font-size: 14px; color: rgba(255,255,255,0.6); font-weight: 500; transition: color 0.2s ease;
}
.btn-login:hover { color: #FFFFFF; }
.btn-large { font-size: 17px; padding: 20px 48px; }
.btn-ghost-full {
  display: block; width: 100%; text-align: center; background: transparent;
  color: rgba(255,255,255,0.75); font-weight: 700; font-size: 14px;
  padding: 14px 24px; border-radius: 8px; border: 1px solid rgba(255,255,255,0.15);
  transition: all 0.2s ease;
}
.btn-ghost-full:hover { border-color: rgba(255,255,255,0.4); color: #FFFFFF; }
.btn-primary-full {
  display: block; width: 100%; text-align: center; background: #FFFFFF;
  color: #0A0A0A; font-weight: 700; font-size: 14px;
  padding: 14px 24px; border-radius: 8px; transition: all 0.2s ease;
}
.btn-primary-full:hover { background: #E0E0E0; }

/* ===== HEADER ===== */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 0 24px; transition: background 0.3s ease, backdrop-filter 0.3s ease;
}
.header.scrolled {
  background: rgba(10,10,10,0.92);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.header-inner {
  max-width: 1100px; margin: 0 auto;
  display: flex; align-items: center; height: 68px; gap: 32px;
}
.logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo-icon {
  width: 36px; height: 36px; background: #FFFFFF; color: #0A0A0A;
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-family: 'Space Grotesk', sans-serif; font-weight: 700; font-size: 16px;
}
.logo-text { font-family: 'Space Grotesk', sans-serif; font-weight: 700; font-size: 18px; letter-spacing: 0.05em; }
.nav { display: flex; gap: 28px; margin-left: auto; }
.nav-link {
  font-size: 13px; color: rgba(255,255,255,0.55); font-weight: 500;
  transition: color 0.2s ease; position: relative;
}
.nav-link::after {
  content: ''; position: absolute; bottom: -2px; left: 0;
  width: 0; height: 1px; background: #FFFFFF; transition: width 0.2s ease;
}
.nav-link:hover { color: #FFFFFF; }
.nav-link:hover::after { width: 100%; }
.header-actions { display: flex; align-items: center; gap: 20px; flex-shrink: 0; }
.hamburger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 4px; margin-left: auto; }
.hamburger span { display: block; width: 24px; height: 2px; background: #FFFFFF; transition: all 0.3s ease; }
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.mobile-nav {
  display: none; flex-direction: column; gap: 4px; padding: 16px 0 24px;
  border-top: 1px solid rgba(255,255,255,0.08); background: rgba(10,10,10,0.98);
}
.mobile-nav.open { display: flex; }
.mobile-nav-link { font-size: 16px; color: rgba(255,255,255,0.7); padding: 12px 0; font-weight: 500; transition: color 0.2s ease; }
.mobile-nav-link:hover { color: #FFFFFF; }
.mobile-cta { margin-top: 12px; text-align: center; }

/* ===== HERO ===== */
.hero { position: relative; min-height: 100vh; display: flex; align-items: center; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; z-index: 0; }
.hero-bg-img { width: 100%; height: 100%; object-fit: cover; opacity: 0.3; }
.hero-bg-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to bottom, rgba(10,10,10,0.2) 0%, rgba(10,10,10,0.1) 40%, rgba(10,10,10,0.85) 80%, rgba(10,10,10,1) 100%);
}
.hero-content { position: relative; z-index: 1; padding-top: 120px; padding-bottom: 80px; }
.hero-eyebrow {
  font-family: 'Space Grotesk', sans-serif; font-size: 12px; font-weight: 500;
  letter-spacing: 0.3em; color: rgba(255,255,255,0.45); margin-bottom: 20px;
  animation: fadeUp 0.8s ease forwards;
}
.hero-title {
  font-size: clamp(40px, 8vw, 80px); font-weight: 900;
  line-height: 1.1; letter-spacing: -0.03em; margin-bottom: 20px;
  animation: fadeUp 0.8s ease 0.1s both;
}
.hero-tagline {
  font-family: 'Noto Serif JP', serif; font-size: clamp(14px, 2vw, 18px);
  font-weight: 300; color: rgba(255,255,255,0.55); margin-bottom: 24px;
  letter-spacing: 0.05em; animation: fadeUp 0.8s ease 0.15s both;
}
.hero-desc {
  font-size: 15px; color: rgba(255,255,255,0.6); line-height: 2;
  margin-bottom: 40px; max-width: 480px; animation: fadeUp 0.8s ease 0.2s both;
}
.hero-actions { display: flex; gap: 24px; align-items: center; flex-wrap: wrap; animation: fadeUp 0.8s ease 0.3s both; }
.hero-scroll-hint {
  position: absolute; bottom: 40px; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 8px; z-index: 1;
  animation: fadeIn 1s ease 1s both;
}
.scroll-line { width: 1px; height: 40px; background: linear-gradient(to bottom, transparent, rgba(255,255,255,0.35)); animation: scrollPulse 2s ease infinite; }
.scroll-label { font-family: 'Space Grotesk', sans-serif; font-size: 9px; letter-spacing: 0.3em; color: rgba(255,255,255,0.25); }

/* ===== PHILOSOPHY ===== */
.philosophy { padding: 120px 0; background: #0D0D0D; border-top: 1px solid rgba(255,255,255,0.05); }
.philosophy-header { text-align: center; margin-bottom: 64px; }
.philosophy-title {
  font-family: 'Noto Serif JP', serif; font-size: clamp(28px, 4vw, 46px);
  font-weight: 400; line-height: 1.4; letter-spacing: 0.02em; margin-bottom: 24px;
}
.philosophy-title em { font-style: normal; font-weight: 700; color: #FFFFFF; }
.philosophy-lead { font-size: 16px; color: rgba(255,255,255,0.55); line-height: 2; }
.philosophy-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-bottom: 64px; }
.philosophy-card {
  padding: 48px 40px; border-radius: 16px;
  background: #0F0F0F; border: 1px solid rgba(255,255,255,0.08);
  transition: border-color 0.3s ease;
}
.philosophy-card:hover { border-color: rgba(255,255,255,0.18); }
.philosophy-card--soul { background: #111111; border-color: rgba(255,255,255,0.12); }
.philosophy-card-en {
  font-family: 'Space Grotesk', sans-serif; font-size: 48px; font-weight: 700;
  letter-spacing: -0.02em; line-height: 1; margin-bottom: 4px; color: rgba(255,255,255,0.9);
}
.philosophy-card-jp {
  font-family: 'Noto Serif JP', serif; font-size: 14px; font-weight: 300;
  color: rgba(255,255,255,0.4); letter-spacing: 0.2em; margin-bottom: 8px;
}
.philosophy-card-sub {
  font-size: 12px; color: rgba(255,255,255,0.3); letter-spacing: 0.05em; margin-bottom: 24px;
}
.philosophy-divider { width: 32px; height: 1px; background: rgba(255,255,255,0.15); margin-bottom: 24px; }
.philosophy-card-text { font-size: 14px; color: rgba(255,255,255,0.6); line-height: 1.9; margin-bottom: 20px; }
.philosophy-card-quote {
  font-family: 'Noto Serif JP', serif; font-size: 15px; font-weight: 400;
  color: rgba(255,255,255,0.85); line-height: 1.8; border-left: 2px solid rgba(255,255,255,0.2);
  padding-left: 16px; margin-bottom: 20px;
}
.philosophy-footer { text-align: center; }
.philosophy-footer-text {
  font-family: 'Noto Serif JP', serif; font-size: clamp(16px, 2.5vw, 22px);
  color: rgba(255,255,255,0.6); line-height: 2; font-weight: 300;
}
.philosophy-footer-text strong { color: #FFFFFF; font-weight: 600; }

/* ===== 3 INTELLIGENCE ===== */
.intelligence { padding: 120px 0; }
.intel-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-bottom: 48px; }
.intel-card {
  padding: 40px 32px; border-radius: 16px;
  background: #0F0F0F; border: 1px solid rgba(255,255,255,0.08);
  position: relative; overflow: hidden; transition: border-color 0.3s ease, transform 0.3s ease;
}
.intel-card:hover { border-color: rgba(255,255,255,0.2); transform: translateY(-4px); }
.intel-card--1::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px; background: linear-gradient(to right, transparent, rgba(255,255,255,0.3), transparent); }
.intel-card--2::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px; background: linear-gradient(to right, transparent, rgba(255,255,255,0.5), transparent); }
.intel-card--3::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px; background: linear-gradient(to right, transparent, rgba(255,255,255,0.2), transparent); }
.intel-num { font-family: 'Space Grotesk', sans-serif; font-size: 11px; color: rgba(255,255,255,0.2); letter-spacing: 0.1em; margin-bottom: 16px; }
.intel-icon { font-size: 28px; margin-bottom: 16px; }
.intel-title { font-size: 20px; font-weight: 700; margin-bottom: 16px; line-height: 1.3; }
.intel-desc { font-size: 14px; color: rgba(255,255,255,0.55); line-height: 1.9; margin-bottom: 20px; }
.intel-tag {
  display: inline-block; font-family: 'Space Grotesk', sans-serif;
  font-size: 10px; font-weight: 600; letter-spacing: 0.1em;
  color: rgba(255,255,255,0.35); border: 1px solid rgba(255,255,255,0.12);
  padding: 4px 10px; border-radius: 100px;
}
.intel-formula {
  background: #111111; border: 1px solid rgba(255,255,255,0.1);
  border-radius: 16px; padding: 36px 40px; text-align: center;
}
.intel-formula-inner {
  display: flex; align-items: center; justify-content: center;
  gap: 16px; flex-wrap: wrap; margin-bottom: 16px;
}
.formula-item {
  font-size: clamp(13px, 1.8vw, 16px); font-weight: 700;
  color: rgba(255,255,255,0.75); white-space: nowrap;
}
.formula-item--highlight { color: rgba(255,255,255,0.4); font-style: italic; }
.formula-op { font-family: 'Space Grotesk', sans-serif; font-size: 20px; color: rgba(255,255,255,0.2); font-weight: 300; }
.formula-result {
  font-family: 'Noto Serif JP', serif; font-size: clamp(16px, 2.5vw, 22px);
  font-weight: 700; color: #FFFFFF; white-space: nowrap;
}
.intel-formula-note { font-size: 12px; color: rgba(255,255,255,0.3); line-height: 1.7; }

/* ===== FOR WHO ===== */
.for-who { padding: 120px 0; background: #0D0D0D; border-top: 1px solid rgba(255,255,255,0.05); border-bottom: 1px solid rgba(255,255,255,0.05); }
.who-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.who-card {
  padding: 32px 28px; border-radius: 14px;
  background: #0F0F0F; border: 1px solid rgba(255,255,255,0.07);
  transition: border-color 0.25s ease, transform 0.25s ease; position: relative;
}
.who-card:hover { border-color: rgba(255,255,255,0.18); transform: translateY(-3px); }
.who-card--system { border-color: rgba(255,255,255,0.15); background: #111111; }
.who-icon { font-size: 28px; margin-bottom: 16px; }
.who-title { font-size: 16px; font-weight: 700; line-height: 1.5; margin-bottom: 12px; }
.who-desc { font-size: 13px; color: rgba(255,255,255,0.5); line-height: 1.85; }
.who-badge {
  display: inline-block; margin-top: 16px;
  font-size: 11px; font-weight: 600; color: rgba(255,255,255,0.5);
  border: 1px solid rgba(255,255,255,0.15); padding: 4px 10px; border-radius: 100px;
}

/* ===== SCOPE ===== */
.scope-section { padding: 120px 0; }
.scope-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2px; background: rgba(255,255,255,0.05); border-radius: 16px; overflow: hidden; }
.scope-item {
  background: #0A0A0A; padding: 32px 24px;
  transition: background 0.2s ease;
}
.scope-item:hover { background: #111111; }
.scope-icon { font-size: 24px; margin-bottom: 12px; }
.scope-title { font-size: 15px; font-weight: 700; margin-bottom: 8px; }
.scope-desc { font-size: 12px; color: rgba(255,255,255,0.4); line-height: 1.7; }

/* ===== CHAT DEMO ===== */
.chat-demo-section { padding: 120px 0; background: #0D0D0D; border-top: 1px solid rgba(255,255,255,0.05); border-bottom: 1px solid rgba(255,255,255,0.05); }
.chat-demo-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.chat-demo-desc { font-size: 15px; color: rgba(255,255,255,0.55); line-height: 2; margin-bottom: 36px; }
.chat-steps { display: flex; flex-direction: column; gap: 16px; }
.chat-step { display: flex; align-items: flex-start; gap: 16px; }
.chat-step--optional { opacity: 0.65; }
.chat-step-num {
  width: 32px; height: 32px; border-radius: 50%; border: 1px solid rgba(255,255,255,0.2);
  display: flex; align-items: center; justify-content: center;
  font-family: 'Space Grotesk', sans-serif; font-size: 13px; font-weight: 600;
  flex-shrink: 0; color: rgba(255,255,255,0.65);
}
.chat-step-num--plus { background: rgba(255,255,255,0.05); border-style: dashed; }
.chat-step-text { font-size: 14px; color: rgba(255,255,255,0.6); padding-top: 6px; }
.chat-step-text strong { color: rgba(255,255,255,0.85); }
.chat-window { background: #141414; border: 1px solid rgba(255,255,255,0.1); border-radius: 16px; overflow: hidden; box-shadow: 0 40px 80px rgba(0,0,0,0.5); }
.chat-window-header { display: flex; align-items: center; gap: 12px; padding: 16px 20px; border-bottom: 1px solid rgba(255,255,255,0.07); }
.chat-window-dots { display: flex; gap: 6px; }
.chat-window-dots span { width: 10px; height: 10px; border-radius: 50%; background: rgba(255,255,255,0.12); }
.chat-window-title { font-family: 'Space Grotesk', sans-serif; font-size: 13px; font-weight: 600; color: rgba(255,255,255,0.5); margin-left: 4px; }
.chat-messages { padding: 24px 20px; display: flex; flex-direction: column; gap: 16px; min-height: 240px; }
.chat-msg { max-width: 88%; padding: 14px 18px; border-radius: 12px; font-size: 14px; line-height: 1.75; }
.chat-msg--user { background: rgba(255,255,255,0.07); border: 1px solid rgba(255,255,255,0.08); align-self: flex-end; color: rgba(255,255,255,0.85); }
.chat-msg--ai { background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.06); align-self: flex-start; color: rgba(255,255,255,0.8); }
.chat-msg-label { font-family: 'Space Grotesk', sans-serif; font-size: 10px; font-weight: 600; letter-spacing: 0.15em; color: rgba(255,255,255,0.3); margin-bottom: 8px; }
.typing-cursor { display: inline-block; animation: blink 1s step-end infinite; color: rgba(255,255,255,0.4); }
.chat-input-area { display: flex; align-items: center; gap: 12px; padding: 16px 20px; border-top: 1px solid rgba(255,255,255,0.07); }
.chat-input { flex: 1; background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.08); border-radius: 8px; padding: 10px 14px; font-size: 13px; color: rgba(255,255,255,0.35); font-family: 'Noto Sans JP', sans-serif; outline: none; }
.chat-send { width: 36px; height: 36px; border-radius: 50%; background: rgba(255,255,255,0.08); border: none; color: rgba(255,255,255,0.4); cursor: pointer; font-size: 14px; transition: background 0.2s ease; }
.chat-send:hover { background: rgba(255,255,255,0.18); }

/* ===== FEATURES ===== */
.features { padding: 120px 0; }
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px; background: rgba(255,255,255,0.05); border-radius: 16px; overflow: hidden; }
.feature-card {
  background: #0A0A0A; padding: 40px 32px;
  opacity: 0; transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease, background 0.2s ease;
}
.feature-card.visible { opacity: 1; transform: translateY(0); }
.feature-card:hover { background: #111111; }
.feature-number { font-family: 'Space Grotesk', sans-serif; font-size: 11px; color: rgba(255,255,255,0.18); letter-spacing: 0.1em; margin-bottom: 16px; }
.feature-title { font-size: 17px; font-weight: 700; margin-bottom: 12px; line-height: 1.4; }
.feature-desc { font-size: 13px; color: rgba(255,255,255,0.5); line-height: 1.85; }

/* ===== STATS ===== */
.stats-section { padding: 80px 0; border-top: 1px solid rgba(255,255,255,0.06); border-bottom: 1px solid rgba(255,255,255,0.06); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2px; }
.stat-item {
  padding: 40px 24px; text-align: center;
  border-right: 1px solid rgba(255,255,255,0.06);
  opacity: 0; transform: translateY(16px); transition: opacity 0.5s ease, transform 0.5s ease;
}
.stat-item:last-child { border-right: none; }
.stat-item.visible { opacity: 1; transform: translateY(0); }
.stat-number { font-family: 'Space Grotesk', sans-serif; font-size: clamp(40px, 5vw, 60px); font-weight: 700; line-height: 1; display: inline; }
.stat-unit { font-family: 'Space Grotesk', sans-serif; font-size: 20px; font-weight: 400; color: rgba(255,255,255,0.4); display: inline; margin-left: 4px; }
.stat-label { font-size: 12px; color: rgba(255,255,255,0.35); margin-top: 8px; }

/* ===== PRICING ===== */
.pricing { padding: 120px 0; background: #0D0D0D; border-top: 1px solid rgba(255,255,255,0.05); }

/* Token explanation bar */
.pricing-token-intro {
  background: #111111; border: 1px solid rgba(255,255,255,0.08);
  border-radius: 16px; padding: 36px 40px; margin-bottom: 48px;
}
.pricing-token-intro-title {
  font-size: 18px; font-weight: 700; margin-bottom: 12px;
}
.pricing-token-intro-text {
  font-size: 14px; color: rgba(255,255,255,0.55); line-height: 1.9; margin-bottom: 24px;
}
.token-flow {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
}
.token-flow-item {
  display: flex; align-items: center; gap: 8px;
  background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.08);
  border-radius: 8px; padding: 10px 16px;
}
.token-flow-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.token-flow-dot--low { background: rgba(255,255,255,0.25); }
.token-flow-dot--mid { background: rgba(255,255,255,0.55); }
.token-flow-dot--high { background: #FFFFFF; }
.token-flow-label { font-size: 12px; color: rgba(255,255,255,0.6); }
.token-flow-arrow { font-size: 16px; color: rgba(255,255,255,0.2); }
.token-flow-auto {
  font-size: 12px; font-weight: 700; color: rgba(255,255,255,0.4);
  border: 1px dashed rgba(255,255,255,0.15); padding: 8px 14px; border-radius: 8px;
}

.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.pricing-card {
  background: #0F0F0F; border: 1px solid rgba(255,255,255,0.08);
  border-radius: 16px; padding: 36px 28px; position: relative;
  transition: border-color 0.25s ease, transform 0.25s ease;
}
.pricing-card:hover { border-color: rgba(255,255,255,0.2); transform: translateY(-3px); }
.pricing-card--featured { background: #141414; border-color: rgba(255,255,255,0.22); }
.pricing-card--system { background: #0F0F0F; border-color: rgba(255,255,255,0.12); }
.pricing-badge {
  display: inline-block; background: #FFFFFF; color: #0A0A0A;
  font-size: 11px; font-weight: 700; padding: 4px 12px; border-radius: 100px;
  margin-bottom: 16px; letter-spacing: 0.05em;
}
.pricing-badge--system { background: rgba(255,255,255,0.1); color: rgba(255,255,255,0.7); }
.pricing-plan { font-family: 'Space Grotesk', sans-serif; font-size: 13px; font-weight: 600; color: rgba(255,255,255,0.4); letter-spacing: 0.1em; margin-bottom: 8px; }
.pricing-target { font-size: 15px; font-weight: 700; margin-bottom: 16px; color: rgba(255,255,255,0.9); }
.pricing-price { margin-bottom: 12px; }
.pricing-amount { font-family: 'Space Grotesk', sans-serif; font-size: 36px; font-weight: 700; line-height: 1; }
.pricing-period { font-size: 13px; color: rgba(255,255,255,0.35); margin-left: 4px; }
.pricing-token-badge {
  display: inline-flex; align-items: center; gap: 6px;
  background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1);
  border-radius: 6px; padding: 6px 12px; margin-bottom: 24px;
  font-size: 12px; color: rgba(255,255,255,0.5);
}
.pricing-token-badge strong { color: rgba(255,255,255,0.8); }
.pricing-token-dot { width: 6px; height: 6px; border-radius: 50%; }
.pricing-token-dot--1 { background: rgba(255,255,255,0.3); }
.pricing-token-dot--2 { background: rgba(255,255,255,0.6); }
.pricing-token-dot--3 { background: #FFFFFF; }
.pricing-features { display: flex; flex-direction: column; gap: 11px; margin-bottom: 28px; }
.pricing-features li { font-size: 13px; color: rgba(255,255,255,0.6); padding-left: 18px; position: relative; line-height: 1.6; }
.pricing-features li::before { content: '—'; position: absolute; left: 0; color: rgba(255,255,255,0.2); font-size: 11px; top: 3px; }
.pricing-auto-note {
  font-size: 11px; color: rgba(255,255,255,0.3); line-height: 1.7;
  border-top: 1px solid rgba(255,255,255,0.06); padding-top: 16px; margin-bottom: 20px;
}

/* ===== CTA ===== */
.cta-section { position: relative; padding: 160px 0; overflow: hidden; text-align: center; }
.cta-bg { position: absolute; inset: 0; z-index: 0; }
.cta-bg-img { width: 100%; height: 100%; object-fit: cover; opacity: 0.18; }
.cta-bg-overlay { position: absolute; inset: 0; background: radial-gradient(ellipse at center, rgba(10,10,10,0.2) 0%, rgba(10,10,10,0.88) 100%); }
.cta-content { position: relative; z-index: 1; }
.cta-eyebrow { font-family: 'Space Grotesk', sans-serif; font-size: 11px; letter-spacing: 0.3em; color: rgba(255,255,255,0.35); margin-bottom: 20px; }
.cta-title { font-size: clamp(30px, 5vw, 50px); font-weight: 900; line-height: 1.2; letter-spacing: -0.02em; margin-bottom: 20px; }
.cta-desc { font-size: 16px; color: rgba(255,255,255,0.5); margin-bottom: 40px; }
.cta-actions { margin-bottom: 20px; }
.cta-note { font-size: 12px; color: rgba(255,255,255,0.25); }

/* ===== FOOTER ===== */
.footer { background: #060606; border-top: 1px solid rgba(255,255,255,0.06); padding-top: 80px; }
.footer-inner { display: grid; grid-template-columns: 1fr 2fr; gap: 80px; padding-bottom: 60px; }
.footer-tagline { font-family: 'Noto Serif JP', serif; font-size: 12px; color: rgba(255,255,255,0.3); margin-top: 12px; font-weight: 300; letter-spacing: 0.05em; }
.footer-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }
.footer-col-title { font-family: 'Space Grotesk', sans-serif; font-size: 10px; font-weight: 600; letter-spacing: 0.15em; color: rgba(255,255,255,0.3); margin-bottom: 16px; text-transform: uppercase; }
.footer-link { display: block; font-size: 13px; color: rgba(255,255,255,0.45); margin-bottom: 10px; transition: color 0.2s ease; }
.footer-link:hover { color: rgba(255,255,255,0.8); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.05); padding: 24px 0; }
.footer-copy { font-size: 12px; color: rgba(255,255,255,0.18); font-family: 'Space Grotesk', sans-serif; }

/* ===== ANIMATIONS ===== */
@keyframes fadeUp { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes scrollPulse { 0%, 100% { opacity: 0.2; } 50% { opacity: 0.7; } }
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }

/* ===== RESPONSIVE ===== */
@media (max-width: 960px) {
  .nav, .header-actions { display: none; }
  .hamburger { display: flex; }
  .header-inner { height: 60px; }
  .mobile-nav { padding: 16px 16px 24px; }
  .philosophy-grid { grid-template-columns: 1fr; }
  .intel-grid { grid-template-columns: 1fr; }
  .who-grid { grid-template-columns: repeat(2, 1fr); }
  .scope-grid { grid-template-columns: repeat(2, 1fr); }
  .chat-demo-inner { grid-template-columns: 1fr; gap: 48px; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-item:nth-child(2) { border-right: none; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 420px; margin: 0 auto; }
  .footer-inner { grid-template-columns: 1fr; gap: 48px; }
  .footer-links { grid-template-columns: repeat(2, 1fr); }
  .intel-formula-inner { gap: 10px; }
  .token-flow { gap: 8px; }
}
@media (max-width: 600px) {
  /* Container */
  .container { padding: 0 16px; }

  /* Grids */
  .who-grid { grid-template-columns: 1fr; }
  .scope-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-links { grid-template-columns: 1fr; }
  .intel-grid { grid-template-columns: 1fr; }

  /* Hero */
  .hero-content { padding-top: 96px; padding-bottom: 60px; }
  .hero-actions { flex-direction: column; align-items: stretch; gap: 12px; }
  .hero-actions .btn-primary, .hero-actions .btn-ghost { width: 100%; text-align: center; }
  .hero-scroll-hint { display: none; }

  /* Sections padding */
  .philosophy { padding: 64px 0; }
  .intelligence { padding: 64px 0; }
  .for-who { padding: 64px 0; }
  .scope-section { padding: 64px 0; }
  .chat-demo-section { padding: 64px 0; }
  .features { padding: 64px 0; }
  .pricing { padding: 64px 0; }
  .spec-compare { padding: 64px 0; }
  .cta-section { padding: 72px 0; }
  .footer { padding-top: 48px; }

  /* Cards */
  .philosophy-card { padding: 28px 20px; }
  .philosophy-card-en { font-size: 36px; }
  .intel-card { padding: 24px 20px; }
  .intel-formula-inner { flex-direction: column; align-items: flex-start; gap: 6px; }
  .formula-op { display: none; }

  /* Pricing */
  .pricing-token-intro { padding: 20px; }
  .token-flow { flex-direction: column; align-items: flex-start; gap: 8px; }
  .pricing-amount { font-size: 28px; }

  /* Footer */
  .footer-inner { gap: 32px; }

  /* Tabs */
  .who-tabs { gap: 8px; }
  .who-tab { font-size: 13px; padding: 9px 14px; }

  /* Section desc */
  .section-desc { font-size: 14px; margin-bottom: 40px; }

  /* CTA */
  .cta-desc { font-size: 14px; }
  .cta-actions .btn-primary { width: 100%; text-align: center; }

  /* Stats */
  .stat-item { padding: 24px 12px; }
}

/* ===== SPEC COMPARISON TABLE ===== */
.spec-compare {
  padding: 120px 0;
  background: #0D0D0D;
}
.spec-table-wrap {
  overflow-x: auto;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,0.08);
  margin-top: 60px;
}
.spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.spec-table thead tr {
  background: #141414;
}
.spec-th {
  padding: 18px 24px;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-align: left;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.spec-th--item { color: rgba(255,255,255,0.4); width: 30%; }
.spec-th--generic { color: rgba(255,255,255,0.35); width: 30%; }
.spec-th--sole {
  color: #FFFFFF;
  width: 40%;
  background: rgba(255,255,255,0.04);
}
.spec-table tbody tr {
  border-bottom: 1px solid rgba(255,255,255,0.05);
  transition: background 0.2s;
}
.spec-table tbody tr:hover { background: rgba(255,255,255,0.02); }
.spec-category-row td {
  padding: 12px 24px;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.3);
  background: rgba(255,255,255,0.03);
  border-bottom: 1px solid rgba(255,255,255,0.06) !important;
}
.spec-item {
  padding: 16px 24px;
  color: rgba(255,255,255,0.55);
  font-size: 14px;
  vertical-align: middle;
}
.spec-generic {
  padding: 16px 24px;
  color: rgba(255,255,255,0.25);
  font-size: 14px;
  vertical-align: middle;
  font-style: italic;
}
.spec-sole {
  padding: 16px 24px;
  color: #FFFFFF;
  font-size: 14px;
  vertical-align: middle;
  background: rgba(255,255,255,0.02);
}
.spec-sole strong { font-weight: 700; }
.sole-soul strong {
  background: linear-gradient(90deg, #FFFFFF 0%, rgba(255,255,255,0.6) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
@media (max-width: 600px) {
  .spec-th, .spec-item, .spec-generic, .spec-sole, .spec-category-row td {
    padding: 12px 14px;
    font-size: 12px;
  }
}

/* ===== WHO TABS ===== */
.who-tabs {
  display: flex;
  gap: 12px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}
.who-tab {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.15);
  color: rgba(255,255,255,0.45);
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 14px;
  font-weight: 500;
  padding: 12px 24px;
  border-radius: 100px;
  cursor: pointer;
  transition: all 0.25s ease;
}
.who-tab:hover {
  border-color: rgba(255,255,255,0.4);
  color: rgba(255,255,255,0.8);
}
.who-tab--active {
  background: #FFFFFF;
  border-color: #FFFFFF;
  color: #0A0A0A;
  font-weight: 700;
}

/* ===== PRO CARDS (外部支援) ===== */
.who-card--pro {
  border-color: rgba(255,255,255,0.12);
  background: linear-gradient(135deg, rgba(255,255,255,0.04) 0%, rgba(255,255,255,0.01) 100%);
}
.who-card--pro:hover {
  border-color: rgba(255,255,255,0.3);
  background: rgba(255,255,255,0.06);
}

/* ===== 三方よしカード ===== */
.who-card--sanpo {
  border: 1px solid rgba(255,255,255,0.2);
  background: linear-gradient(135deg, rgba(255,255,255,0.07) 0%, rgba(255,255,255,0.02) 100%);
}
.sanpo-badges {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 20px;
  flex-wrap: wrap;
}
.sanpo-badge {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  color: #FFFFFF;
  font-size: 12px;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 100px;
  font-family: 'Space Grotesk', sans-serif;
  letter-spacing: 0.05em;
}
.sanpo-arrow {
  color: rgba(255,255,255,0.3);
  font-size: 14px;
  font-weight: 700;
}


/* ===== WHY NOT CHATGPT SECTION ===== */
.why-not {
  padding: 120px 0;
  background: #0D0D0D;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.why-not-title {
  margin-bottom: 16px;
}

.why-not-lead {
  font-size: 16px;
  color: rgba(255,255,255,0.5);
  line-height: 2;
  margin-bottom: 64px;
}

/* 比較バナー */
.why-compare-banner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 0;
  margin-bottom: 80px;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 16px;
  overflow: hidden;
}

.why-compare-side {
  padding: 40px 36px;
}

.why-compare-side--generic {
  background: rgba(255,255,255,0.02);
  border-right: 1px solid rgba(255,255,255,0.08);
}

.why-compare-side--sole {
  background: rgba(255,255,255,0.04);
}

.why-compare-label {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.35);
  margin-bottom: 12px;
}

.why-compare-side--sole .why-compare-label {
  color: rgba(255,255,255,0.6);
}

.why-compare-design {
  font-size: 15px;
  font-weight: 700;
  color: rgba(255,255,255,0.75);
  line-height: 1.5;
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.why-compare-side--sole .why-compare-design {
  color: #FFFFFF;
}

.why-compare-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.why-compare-item {
  font-size: 13px;
  line-height: 1.6;
  padding-left: 20px;
  position: relative;
  color: rgba(255,255,255,0.55);
}

.why-compare-item--bad::before {
  content: '✕';
  position: absolute;
  left: 0;
  color: rgba(255,80,80,0.7);
  font-size: 11px;
  top: 2px;
}

.why-compare-item--good {
  color: rgba(255,255,255,0.8);
}

.why-compare-item--good::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: rgba(160,255,160,0.8);
  font-size: 11px;
  top: 2px;
}

.why-compare-vs {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 20px;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 13px;
  font-weight: 700;
  color: rgba(255,255,255,0.2);
  letter-spacing: 0.1em;
  background: rgba(255,255,255,0.02);
  border-right: 1px solid rgba(255,255,255,0.08);
}

/* 理由カード */
.why-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.why-card {
  background: #111111;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 16px;
  padding: 36px 32px;
  position: relative;
  transition: border-color 0.25s ease;
}

.why-card:hover {
  border-color: rgba(255,255,255,0.2);
}

.why-card--coming {
  border-color: rgba(255,255,255,0.12);
  background: linear-gradient(135deg, rgba(255,255,255,0.04) 0%, rgba(255,255,255,0.01) 100%);
}

.why-card-num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: rgba(255,255,255,0.25);
  margin-bottom: 16px;
}

.why-card-icon {
  font-size: 28px;
  margin-bottom: 16px;
}

.why-card-title {
  font-size: 18px;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 14px;
  line-height: 1.4;
}

.why-card-text {
  font-size: 14px;
  color: rgba(255,255,255,0.5);
  line-height: 1.9;
  margin-bottom: 0;
}

.why-card-divider {
  height: 1px;
  background: rgba(255,255,255,0.08);
  margin: 20px 0;
}

.why-card-sole {
  font-size: 14px;
  color: rgba(255,255,255,0.8);
  line-height: 1.9;
  font-weight: 500;
}

.why-card-badge {
  display: inline-block;
  margin-top: 16px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  color: rgba(255,255,255,0.6);
  font-size: 11px;
  font-weight: 700;
  padding: 5px 14px;
  border-radius: 100px;
  font-family: 'Space Grotesk', sans-serif;
  letter-spacing: 0.08em;
}

/* ===== WHY NOT — RESPONSIVE ===== */
@media (max-width: 768px) {
  .why-not {
    padding: 80px 0;
  }

  .why-compare-banner {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto;
  }

  .why-compare-side--generic {
    border-right: none;
    border-bottom: 1px solid rgba(255,255,255,0.08);
  }

  .why-compare-vs {
    padding: 16px 0;
    border-right: none;
    border-top: 1px solid rgba(255,255,255,0.08);
    border-bottom: 1px solid rgba(255,255,255,0.08);
    text-align: center;
  }

  .why-compare-side {
    padding: 28px 24px;
  }

  .why-cards {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .why-card {
    padding: 28px 24px;
  }
}