/* ================================================
   Universal Concern America – style.css
   Professional Blue Theme
   ================================================ */

/* ---- Variables ---- */
:root {
  --blue-950: #020818;
  --blue-900: #0a1628;
  --blue-800: #0f2040;
  --blue-700: #1a3460;
  --blue-600: #1d4ed8;
  --blue-500: #2563eb;
  --blue-400: #3b82f6;
  --blue-300: #60a5fa;
  --blue-200: #93c5fd;
  --blue-100: #bfdbfe;
  --blue-50:  #eff6ff;

  --accent-500: #06b6d4;
  --accent-400: #22d3ee;
  --accent-300: #67e8f9;

  --gray-950: #030712;
  --gray-900: #111827;
  --gray-800: #1f2937;
  --gray-700: #374151;
  --gray-600: #4b5563;
  --gray-500: #6b7280;
  --gray-400: #9ca3af;
  --gray-300: #d1d5db;
  --gray-200: #e5e7eb;
  --gray-100: #f3f4f6;
  --gray-50:  #f9fafb;
  --white:    #ffffff;

  --font-en: 'Inter', sans-serif;
  --font-jp: 'Noto Sans JP', 'Inter', sans-serif;

  --radius-sm:   6px;
  --radius-md:   10px;
  --radius-lg:   16px;
  --radius-xl:   24px;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 3px rgba(0,0,0,.08);
  --shadow-md: 0 4px 16px rgba(0,0,0,.12);
  --shadow-lg: 0 12px 40px rgba(0,0,0,.16);
  --shadow-xl: 0 24px 64px rgba(0,0,0,.22);

  --transition: all .2s ease;
  --header-h: 72px;
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-jp);
  color: var(--gray-800);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ---- Container ---- */
.container { max-width: 1160px; margin: 0 auto; padding: 0 24px; }

/* ---- Section ---- */
.section { padding: 48px 0; }
.section__head { text-align: center; margin-bottom: 28px; }
.section__eyebrow {
  display: inline-block;
  font-size: 0.75rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.12em;
  color: var(--blue-600);
  background: var(--blue-50);
  padding: 5px 14px;
  border-radius: var(--radius-full);
  margin-bottom: 14px;
}
.section__eyebrow--blue  { color: var(--blue-300); background: rgba(37,99,235,.12); }
.section__eyebrow--white { color: rgba(255,255,255,.9); background: rgba(255,255,255,.12); }
.section__title {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 800; color: var(--gray-900);
  line-height: 1.25; margin-bottom: 16px;
}
.section__desc {
  font-size: 1rem; color: var(--gray-500);
  max-width: 560px; margin: 0 auto; line-height: 1.7;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-size: 0.92rem; font-weight: 600;
  padding: 13px 28px; border-radius: var(--radius-md);
  transition: var(--transition); cursor: pointer; border: none;
  font-family: var(--font-jp);
}
.btn--primary {
  background: var(--blue-500); color: var(--white);
  box-shadow: 0 4px 14px rgba(37,99,235,.35);
}
.btn--primary:hover { background: var(--blue-600); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(37,99,235,.45); }
.btn--ghost {
  background: transparent; color: var(--white);
  border: 1.5px solid rgba(255,255,255,.35);
}
.btn--ghost:hover { background: rgba(255,255,255,.1); border-color: rgba(255,255,255,.6); }
.btn--white {
  background: var(--white); color: var(--blue-600);
  box-shadow: 0 4px 20px rgba(0,0,0,.15);
}
.btn--white:hover { transform: translateY(-2px); box-shadow: 0 6px 28px rgba(0,0,0,.2); }
.btn--lg { padding: 16px 36px; font-size: 1rem; border-radius: var(--radius-lg); }

/* ---- Badge ---- */
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 0.78rem; font-weight: 600; padding: 5px 12px;
  border-radius: var(--radius-full);
}
.badge--blue    { background: rgba(37,99,235,.15); color: var(--blue-300); border: 1px solid rgba(37,99,235,.25); }
.badge--outline { background: rgba(255,255,255,.06); color: rgba(255,255,255,.7); border: 1px solid rgba(255,255,255,.15); }

/* ================================================
   HEADER
   ================================================ */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  height: var(--header-h);
  display: flex; align-items: center;
  background: transparent;
  transition: background .3s, box-shadow .3s;
}
.header.scrolled {
  background: rgba(2,8,24,.93);
  backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 rgba(255,255,255,.06);
}
.header .container { width: 100%; }
.header__inner {
  display: flex; align-items: center; justify-content: space-between; width: 100%;
}

/* Logo */
.logo { display: flex; align-items: center; gap: 12px; }
.logo__mark { flex-shrink: 0; }
.logo__text { display: flex; flex-direction: column; line-height: 1.2; }
.logo__name { font-size: 0.95rem; font-weight: 700; color: var(--white); letter-spacing: -0.01em; }
.logo__sub  { font-size: 0.68rem; color: rgba(255,255,255,.5); font-weight: 400; }

/* Nav */
.nav { display: flex; align-items: center; gap: 4px; }
.nav__link {
  font-size: 0.88rem; font-weight: 500; color: rgba(255,255,255,.72);
  padding: 8px 14px; border-radius: var(--radius-md);
  transition: var(--transition);
}
.nav__link:hover, .nav__link.active { color: var(--white); background: rgba(255,255,255,.08); }
.nav__cta {
  background: var(--blue-500); color: var(--white) !important;
  padding: 9px 20px; margin-left: 8px;
  box-shadow: 0 2px 8px rgba(37,99,235,.4);
}
.nav__cta:hover { background: var(--blue-400) !important; transform: translateY(-1px); }

/* Lang switcher */
.lang-switcher { display: flex; gap: 4px; margin-left: 12px; }
.lang-btn {
  font-size: 0.75rem; font-weight: 700;
  padding: 5px 10px; border-radius: var(--radius-sm);
  color: rgba(255,255,255,.5); background: transparent;
  border: 1px solid rgba(255,255,255,.15);
  transition: var(--transition);
}
.lang-btn:hover, .lang-btn.active {
  color: var(--white);
  background: var(--blue-600);
  border-color: var(--blue-500);
}

/* Hamburger */
.hamburger {
  display: none; flex-direction: column; gap: 5px;
  width: 28px; padding: 4px;
}
.hamburger span {
  display: block; height: 2px; background: var(--white);
  border-radius: 2px; transition: var(--transition);
}
.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); }

/* ================================================
   HERO
   ================================================ */
.hero {
  position: relative;
  display: flex; align-items: center;
  background: var(--blue-950); overflow: hidden;
  padding: calc(var(--header-h) + 32px) 0 48px;
}
.hero__bg { position: absolute; inset: 0; z-index: 0; }
.hero__globe {
  position: absolute;
  inset: 0;
  z-index: 0;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  pointer-events: none;
}
.hero__globe-svg {
  width: 85%;
  height: 100%;
  opacity: 0.85;
  transform: translateX(calc(10% - 500px));
}
.hero__video {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: .18;
  z-index: 0;
}
.hero__video-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, var(--blue-950) 0%, rgba(15,23,42,.75) 60%, transparent 100%);
  z-index: 1;
}
.hero__grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(37,99,235,.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37,99,235,.07) 1px, transparent 1px);
  background-size: 52px 52px;
}
.hero__glow {
  position: absolute; border-radius: 50%; filter: blur(90px); opacity: .4;
}
.hero__glow--1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, var(--blue-700), transparent);
  top: -200px; right: -60px;
}
.hero__glow--2 {
  width: 360px; height: 360px;
  background: radial-gradient(circle, var(--blue-900), transparent);
  bottom: -80px; left: 60px;
}
.hero__inner {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1fr 1.15fr;
  gap: 56px; align-items: center;
}
.hero__content { max-width: 520px; }
.hero__badges { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 20px; }
.hero__title {
  font-size: clamp(2rem, 4.5vw, 3rem);
  font-weight: 800; color: var(--white);
  line-height: 1.15; margin-bottom: 18px; letter-spacing: -0.02em;
}
.hero__title span { color: var(--blue-300); }
.hero__desc { font-size: 1rem; color: rgba(255,255,255,.62); margin-bottom: 28px; line-height: 1.75; }
.hero__actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 28px; }
.hero__trust {
  display: flex; gap: 20px; flex-wrap: wrap;
  font-size: 0.82rem; color: rgba(255,255,255,.45);
}

/* AI Assistant Card */
.hero__visual { display: flex; justify-content: center; align-items: stretch; }
.aicard {
  width: 100%;
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.10);
  border-radius: 20px;
  overflow: hidden;
  backdrop-filter: blur(20px);
}

/* Header */
.aicard__header {
  display: flex; align-items: center; gap: 12px;
  padding: 16px 20px;
  background: rgba(37,99,235,.15);
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.aicard__avatar {
  width: 44px; height: 44px; border-radius: 50%;
  background: linear-gradient(135deg, var(--blue-500), var(--blue-700));
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
  box-shadow: 0 0 16px rgba(37,99,235,.5);
}
.aicard__intro { flex: 1; }
.aicard__name  { font-size: 0.9rem; font-weight: 700; color: var(--white); }
.aicard__status {
  display: flex; align-items: center; gap: 6px;
  font-size: 0.72rem; color: rgba(255,255,255,.5); margin-top: 2px;
}
.aicard__online {
  width: 7px; height: 7px; border-radius: 50%; background: #28c941;
  animation: pulseDot 1.4s ease-in-out infinite;
}
@keyframes pulseDot { 0%,100%{opacity:1} 50%{opacity:.35} }

/* Counter badge */
.aicard__counter {
  display: flex; flex-direction: column; align-items: flex-end;
  gap: 2px; flex-shrink: 0;
}
.aicard__counter-num {
  font-size: 1.4rem; font-weight: 800; color: var(--blue-300);
  line-height: 1;
  transition: transform .2s, color .2s;
}
.aicard__counter-num.counter--bump {
  transform: scale(1.3); color: #28c941;
}
.aicard__counter-label {
  font-size: 0.62rem; color: rgba(255,255,255,.35); white-space: nowrap;
}

/* ---- Signal / Live instruction line ---- */
.aicard__signal {
  padding: 10px 20px 12px;
  border-bottom: 1px solid rgba(255,255,255,.07);
}
.signal__label {
  font-size: 0.6rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: .1em; color: rgba(255,255,255,.28);
  margin-bottom: 7px;
}
.signal__track {
  position: relative; height: 4px;
  background: rgba(255,255,255,.06);
  border-radius: 99px; overflow: hidden;
  margin-bottom: 7px;
}
.signal__line {
  position: absolute; top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(90deg,
    transparent 0%,
    rgba(37,99,235,.15) 25%,
    var(--blue-400) 50%,
    rgba(99,179,255,.9) 58%,
    rgba(37,99,235,.15) 75%,
    transparent 100%);
  animation: signalFlow 2s cubic-bezier(0.4, 0, 0.2, 1) infinite;
  will-change: transform;
}
@keyframes signalFlow {
  0%   { transform: translateX(0%); }
  100% { transform: translateX(200%); }
}
.signal__pulse {
  position: absolute; top: 50%;
  width: 6px; height: 6px; border-radius: 50%;
  background: #93c5fd;
  box-shadow: 0 0 6px 2px rgba(147,197,253,.7);
  transform: translateY(-50%) translateX(0);
  opacity: 0;
  animation: signalDot 2s cubic-bezier(0.4, 0, 0.2, 1) infinite;
  will-change: transform, opacity;
}
.signal__pulse--1 { animation-delay: 0s; }
.signal__pulse--2 { animation-delay: 0.65s; }
.signal__pulse--3 { animation-delay: 1.3s; }
@keyframes signalDot {
  0%   { transform: translateY(-50%) translateX(-20px); opacity: 0; }
  8%   { opacity: 1; }
  90%  { opacity: 0.9; }
  100% { transform: translateY(-50%) translateX(500px); opacity: 0; }
}
.signal__nodes {
  display: flex; gap: 6px;
}
.signal__node {
  font-size: 0.58rem; font-weight: 700; letter-spacing: .06em;
  padding: 3px 9px; border-radius: 99px;
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.08);
  color: rgba(255,255,255,.28);
  transition: background .25s, color .25s, border-color .25s;
}
.signal__node--active {
  background: rgba(37,99,235,.2);
  border-color: rgba(37,99,235,.5);
  color: var(--blue-300);
}

/* ---- Task feed ---- */
.aicard__feed-wrap {
  height: 192px;
  overflow: hidden;
  border-bottom: 1px solid rgba(255,255,255,.07);
  position: relative;
}
/* 上端フェードアウト */
.aicard__feed-wrap::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 40px;
  background: linear-gradient(to bottom, rgba(10,20,48,.9), transparent);
  z-index: 2; pointer-events: none;
}
.aicard__feed {
  padding: 10px 16px;
  display: flex; flex-direction: column; gap: 7px;
}
.feed__row {
  display: flex; align-items: center; gap: 10px;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.07);
  border-radius: 10px;
  padding: 9px 12px;
  transition: opacity .35s ease, transform .35s ease;
}
.feed__row--entering {
  opacity: 0;
  transform: translateY(-10px);
}
.feed__row--exiting {
  opacity: 0;
  transform: translateY(6px);
}
.feed__icon { font-size: 1.15rem; flex-shrink: 0; }
.feed__body { flex: 1; min-width: 0; }
.feed__title {
  font-size: 0.78rem; font-weight: 600; color: rgba(255,255,255,.85);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.feed__sub {
  font-size: 0.62rem; color: rgba(255,255,255,.38);
  margin-top: 2px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.feed__tag {
  font-size: 0.58rem; font-weight: 700;
  color: var(--blue-300);
  background: rgba(37,99,235,.12);
  border: 1px solid rgba(37,99,235,.2);
  border-radius: 99px; padding: 2px 8px;
  flex-shrink: 0; white-space: nowrap;
}
.feed__check {
  font-size: 0.72rem; font-weight: 700;
  color: #28c941;
  background: rgba(40,201,65,.12);
  border-radius: 99px; padding: 2px 7px;
  flex-shrink: 0;
}

/* Summary bar */
.aicard__summary {
  display: flex; align-items: center;
  padding: 12px 20px; gap: 0;
}
.aicard__sum-item { flex: 1; text-align: center; }
.aicard__sum-icon  { font-size: 1rem; margin-bottom: 3px; }
.aicard__sum-val   { font-size: 1.1rem; font-weight: 800; color: var(--white); }
.aicard__sum-label { font-size: 0.6rem; color: rgba(255,255,255,.4); margin-top: 2px; }
.aicard__sum-divider {
  width: 1px; height: 32px;
  background: rgba(255,255,255,.1); flex-shrink: 0;
}

.stats {
  background: var(--white);
  border-top: 1px solid var(--gray-100);
  border-bottom: 1px solid var(--gray-100);
  padding: 32px 0;
}
.stats__grid { display: grid; grid-template-columns: repeat(4,1fr); }
.stats__item {
  text-align: center; padding: 24px 16px;
  border-right: 1px solid var(--gray-100);
}
.stats__item:last-child { border-right: none; }
.stats__num  { font-size: 2.6rem; font-weight: 800; color: var(--blue-600); line-height: 1; display: inline; }
.stats__unit { font-size: 1.1rem; font-weight: 700; color: var(--blue-500); display: inline; }
.stats__label { font-size: 0.8rem; color: var(--gray-500); margin-top: 6px; font-weight: 500; }

/* ================================================
   SERVICES
   ================================================ */
.services__grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.svc-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-xl);
  padding: 32px 28px;
  transition: var(--transition);
  position: relative; overflow: hidden;
}
.svc-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--blue-500), var(--accent-500));
  opacity: 0; transition: var(--transition);
}
.svc-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--blue-200); }
.svc-card:hover::before { opacity: 1; }
.svc-card--featured { border-color: var(--blue-200); background: linear-gradient(135deg, rgba(37,99,235,.04), var(--white)); }
.svc-card--featured::before { opacity: 1; }
.svc-card__icon {
  width: 52px; height: 52px;
  background: var(--blue-50); color: var(--blue-600);
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
}
.svc-card__tag   { font-size: 0.7rem; font-weight: 700; text-transform: uppercase; letter-spacing: .1em; color: var(--blue-500); margin-bottom: 10px; }
.svc-card__title { font-size: 1.05rem; font-weight: 700; color: var(--gray-900); margin-bottom: 10px; }
.svc-card__desc  { font-size: 0.87rem; color: var(--gray-500); line-height: 1.65; margin-bottom: 16px; }
.svc-card__list  { display: flex; flex-direction: column; gap: 6px; }
.svc-card__list li { font-size: 0.82rem; color: var(--gray-600); padding-left: 14px; position: relative; }
.svc-card__list li::before { content: '›'; position: absolute; left: 0; color: var(--blue-400); font-weight: 700; }

/* ================================================
   AI SECTION
   ================================================ */
.ai-section { background: var(--blue-950); position: relative; overflow: hidden; }
.ai-section::before {
  content: ''; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(37,99,235,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37,99,235,.06) 1px, transparent 1px);
  background-size: 48px 48px;
}
.ai-section__inner {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 80px; align-items: center;
}
.ai-section .section__title { color: var(--white); }
.ai-section .section__desc  { color: rgba(255,255,255,.58); margin: 0 0 40px; text-align: left; max-width: 100%; }

/* Steps */
.ai-steps { display: flex; flex-direction: column; gap: 24px; }
.ai-step  { display: flex; gap: 20px; align-items: flex-start; }
.ai-step__num {
  font-size: 0.72rem; font-weight: 800; color: var(--blue-300);
  background: rgba(37,99,235,.14); border: 1px solid rgba(37,99,235,.28);
  width: 36px; height: 36px; border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; letter-spacing: .05em;
}
.ai-step__title { font-size: 0.95rem; font-weight: 700; color: var(--white); margin-bottom: 4px; }
.ai-step__desc  { font-size: 0.85rem; color: rgba(255,255,255,.48); line-height: 1.6; }

/* AI Demo panel */
.ai-demo {
  background: var(--blue-900);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius-xl);
  overflow: hidden; box-shadow: var(--shadow-xl);
}
.ai-demo__header {
  background: var(--blue-950); padding: 14px 20px;
  display: flex; align-items: center; gap: 12px;
  border-bottom: 1px solid rgba(255,255,255,.07);
}
.ai-demo__dots { display: flex; gap: 6px; }
.ai-demo__dots span { width: 10px; height: 10px; border-radius: 50%; }
.ai-demo__dots span:nth-child(1) { background: #ff5f57; }
.ai-demo__dots span:nth-child(2) { background: #ffbd2e; }
.ai-demo__dots span:nth-child(3) { background: #28c840; }
.ai-demo__title { font-size: 0.78rem; color: rgba(255,255,255,.4); font-weight: 500; }
.ai-demo__body  { padding: 24px 20px; display: flex; flex-direction: column; gap: 16px; min-height: 220px; overflow-y: auto; }
.ai-demo__msg   { display: flex; gap: 10px; align-items: flex-start; }
.ai-demo__msg--user { flex-direction: row-reverse; }
.ai-demo__avatar {
  width: 32px; height: 32px; border-radius: 50%;
  background: linear-gradient(135deg, var(--blue-500), var(--blue-800));
  display: flex; align-items: center; justify-content: center;
  font-size: 0.68rem; font-weight: 700; color: var(--white); flex-shrink: 0;
}
.ai-demo__bubble {
  font-size: 0.83rem; color: rgba(255,255,255,.8); line-height: 1.6;
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius-md); padding: 10px 14px; max-width: 85%;
}
.ai-demo__msg--user .ai-demo__bubble {
  background: rgba(37,99,235,.22); border-color: rgba(37,99,235,.35);
}
.ai-demo__footer { padding: 12px 20px; border-top: 1px solid rgba(255,255,255,.07); display: flex; justify-content: space-between; align-items: center; }
.ai-demo__status { display: flex; align-items: center; gap: 8px; font-size: 0.75rem; color: rgba(255,255,255,.38); }
.ai-demo__dot   { width: 7px; height: 7px; border-radius: 50%; background: var(--blue-400); animation: demoPulse 2s ease-in-out infinite; }
@keyframes demoPulse { 0%,100%{opacity:1;} 50%{opacity:.35;} }
.agent-loop { font-size: 0.7rem; color: rgba(255,255,255,.25); font-variant-numeric: tabular-nums; }

/* ── Agent Log Stream UI ── */
.ai-demo__titlever { font-size: 0.65rem; color: rgba(255,255,255,.25); margin-left: 4px; }
.ai-demo__badge {
  margin-left: auto; font-size: 0.6rem; font-weight: 700; letter-spacing: .1em;
  color: #34d399; border: 1px solid rgba(52,211,153,.35);
  border-radius: 4px; padding: 2px 7px;
  animation: livePulse 2s ease-in-out infinite;
}
@keyframes livePulse { 0%,100%{opacity:1} 50%{opacity:.4} }

/* Confidence meter */
.agent-meter {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 20px; border-bottom: 1px solid rgba(255,255,255,.06);
  background: rgba(0,0,0,.15);
}
.agent-meter__label { font-size: 0.65rem; font-weight: 700; letter-spacing:.08em; text-transform:uppercase; color: rgba(255,255,255,.3); flex-shrink:0; }
.agent-meter__track { flex: 1; height: 5px; background: rgba(255,255,255,.08); border-radius: 99px; overflow: hidden; }
.agent-meter__fill  { height: 100%; width: 0%; border-radius: 99px; background: linear-gradient(90deg,#3b82f6,#34d399); transition: width .6s ease, background .6s ease; }
.agent-meter__val   { font-size: 0.72rem; font-weight: 700; color: #34d399; min-width: 36px; text-align: right; font-variant-numeric: tabular-nums; }

/* Log stream */
.agent-log {
  padding: 14px 20px;
  font-family: 'SF Mono','Fira Code','Consolas',monospace;
  font-size: 0.72rem;
  line-height: 1.7;
  min-height: 230px;
  max-height: 230px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 2px;
  scrollbar-width: thin;
  scrollbar-color: rgba(255,255,255,.1) transparent;
}
.agent-log::-webkit-scrollbar { width: 4px; }
.agent-log::-webkit-scrollbar-thumb { background: rgba(255,255,255,.12); border-radius: 2px; }

.log-line {
  display: flex; gap: 8px; align-items: flex-start;
  opacity: 0; transform: translateX(-6px);
  animation: logIn .25s ease forwards;
}
@keyframes logIn { to { opacity:1; transform: none; } }

.log-time { color: rgba(255,255,255,.2); flex-shrink: 0; }
.log-tag  {
  flex-shrink: 0; font-weight: 700; padding: 0 6px;
  border-radius: 3px; font-size: 0.64rem; letter-spacing: .04em;
}
.log-tag--obs  { background: rgba(96,165,250,.18);  color: #93c5fd; }
.log-tag--think{ background: rgba(167,139,250,.18); color: #c4b5fd; }
.log-tag--act  { background: rgba(52,211,153,.18);  color: #6ee7b7; }
.log-tag--warn { background: rgba(251,191,36,.18);  color: #fcd34d; }
.log-tag--done { background: rgba(52,211,153,.25);  color: #34d399; }

.log-text { color: rgba(255,255,255,.72); flex: 1; }
.log-text em { color: #93c5fd; font-style: normal; }
.log-text strong { color: #fbbf24; font-style: normal; font-weight: 600; }

/* Decision chip */
.agent-decision {
  margin: 0 20px 14px;
  min-height: 32px;
}
.agent-decision__chip {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(37,99,235,.2); border: 1px solid rgba(96,165,250,.3);
  border-radius: 8px; padding: 7px 14px;
  font-size: 0.78rem; color: #93c5fd;
  animation: chipIn .3s ease;
}
@keyframes chipIn { from{opacity:0;transform:translateY(4px)} to{opacity:1;transform:none} }
.agent-decision__icon { font-size: 1rem; }

/* ================================================
   WORKS
   ================================================ */
.works__grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.work-card {
  background: var(--white); border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg); padding: 28px 24px;
  transition: var(--transition);
}
.work-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--blue-200); }
.work-card__tag {
  font-size: 0.7rem; font-weight: 700; text-transform: uppercase; letter-spacing: .1em;
  color: var(--blue-600); background: var(--blue-50);
  padding: 3px 10px; border-radius: var(--radius-full);
  display: inline-block; margin-bottom: 12px;
}
.work-card__title { font-size: 1rem; font-weight: 700; color: var(--gray-900); margin-bottom: 8px; }
.work-card__desc  { font-size: 0.85rem; color: var(--gray-500); line-height: 1.65; margin-bottom: 14px; }
.work-card__tech  { font-size: 0.75rem; color: var(--gray-400); font-weight: 500; }

/* ================================================
   WHY US
   ================================================ */
.whyus { background: var(--gray-50); }
.whyus__grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 24px; }
.why-card {
  background: var(--white); border: 1px solid var(--gray-200);
  border-radius: var(--radius-xl); padding: 32px 24px;
  text-align: center; transition: var(--transition);
}
.why-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--blue-200); }
.why-card__icon  { font-size: 2rem; margin-bottom: 16px; }
.why-card__title { font-size: 1rem; font-weight: 700; color: var(--gray-900); margin-bottom: 10px; }
.why-card__desc  { font-size: 0.85rem; color: var(--gray-500); line-height: 1.65; }

/* ================================================
   ABOUT
   ================================================ */
.about__inner { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.about .section__title { text-align: left; }
.about__lead { font-size: 0.95rem; color: var(--gray-600); line-height: 1.8; margin-bottom: 20px; }
.about__table { display: flex; flex-direction: column; }
.about__row {
  display: grid; grid-template-columns: 130px 1fr;
  gap: 16px; padding: 12px 0; border-bottom: 1px solid var(--gray-100); font-size: 0.87rem;
}
.about__key { color: var(--gray-400); font-weight: 600; font-size: 0.78rem; text-transform: uppercase; letter-spacing: .06em; padding-top: 2px; }
.about__val { color: var(--gray-700); line-height: 1.6; }
.about__val a { color: var(--blue-600); }
.about__val a:hover { text-decoration: underline; }

.about__map { background: var(--blue-50); border: 1px solid var(--blue-100); border-radius: var(--radius-xl); padding: 24px; }
.about__map-svg { width: 100%; height: auto; }
.about__map-tags { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 16px; }
.about__map-tag {
  font-size: 0.78rem; font-weight: 600;
  background: var(--blue-100); color: var(--blue-700);
  padding: 5px 12px; border-radius: var(--radius-full);
}

/* ================================================
   CONTACT
   ================================================ */
.contact {
  background: linear-gradient(135deg, var(--blue-900), var(--blue-950));
  position: relative; overflow: hidden;
}
.contact::before {
  content: ''; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 48px 48px;
}
.contact__simple { position: relative; z-index: 1; text-align: center; max-width: 900px; margin: 0 auto; }
.contact__title { font-size: clamp(1.75rem,3vw,2.4rem); font-weight: 800; color: var(--white); margin-bottom: 16px; line-height: 1.3; }
.contact__desc  { font-size: 1rem; color: rgba(255,255,255,.58); margin-bottom: 24px; line-height: 1.7; }
.contact__cards { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; margin-bottom: 28px; }
.contact__card {
  background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius-xl); padding: 28px 20px;
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  text-decoration: none; transition: var(--transition);
}
a.contact__card:hover { background: rgba(255,255,255,.12); border-color: rgba(255,255,255,.2); transform: translateY(-3px); }
.contact__card-icon  { font-size: 1.8rem; }
.contact__card-label { font-size: 0.7rem; font-weight: 700; color: var(--blue-300); text-transform: uppercase; letter-spacing: .08em; }
.contact__card-val   { font-size: 0.88rem; color: rgba(255,255,255,.8); line-height: 1.5; text-align: center; }
.contact__card-val small { font-size: 0.75rem; color: rgba(255,255,255,.45); }
.contact__cta { display: inline-flex; align-items: center; gap: 8px; }

/* Contact Form */
.contact__form {
  margin-top: 40px;
  text-align: left;
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius-xl);
  padding: 36px 40px;
}
.contact__form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.contact__form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
}
.contact__form-label {
  font-size: 0.82rem;
  font-weight: 600;
  color: rgba(255,255,255,.65);
  letter-spacing: .04em;
}
.contact__form-input {
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.15);
  border-radius: var(--radius);
  padding: 12px 16px;
  color: var(--white);
  font-size: 0.95rem;
  font-family: inherit;
  transition: border-color .2s, background .2s;
  outline: none;
  width: 100%;
}
.contact__form-input:focus {
  border-color: var(--blue-400);
  background: rgba(255,255,255,.10);
}
.contact__form-input::placeholder { color: rgba(255,255,255,.28); }
.contact__form-textarea { resize: vertical; min-height: 130px; }
.contact__form-footer {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}
.contact__form-submit { flex-shrink: 0; }
.contact__form-status {
  font-size: 0.88rem;
  color: rgba(255,255,255,.7);
}
.contact__form-status.success { color: #34d399; }
.contact__form-status.error   { color: #f87171; }

/* ================================================
   FOOTER
   ================================================ */
.footer { background: var(--gray-950); padding: 48px 0 0; }
.footer__inner { display: flex; gap: 60px; padding-bottom: 36px; border-bottom: 1px solid rgba(255,255,255,.07); }
.footer__brand { flex: 1.5; }
.footer__tagline { font-size: 0.85rem; color: rgba(255,255,255,.38); line-height: 1.7; margin-top: 16px; }
.footer__nav { display: flex; gap: 60px; flex: 2; }
.footer__nav-group h4 { font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .1em; color: rgba(255,255,255,.3); margin-bottom: 16px; }
.footer__nav-group ul { display: flex; flex-direction: column; gap: 10px; }
.footer__nav-group a, .footer__nav-group li { font-size: 0.85rem; color: rgba(255,255,255,.5); transition: var(--transition); }
.footer__nav-group a:hover { color: var(--white); }
.footer__bottom { display: flex; justify-content: space-between; align-items: center; padding: 20px 0; font-size: 0.78rem; color: rgba(255,255,255,.28); }
.footer__bottom a { color: rgba(255,255,255,.45); transition: var(--transition); }
.footer__bottom a:hover { color: var(--white); }

/* ================================================
   ANIMATIONS
   ================================================ */
.animate-fade-up {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .65s ease, transform .65s ease;
  will-change: opacity, transform;
}
.animate-fade-up.is-visible {
  opacity: 1 !important;
  transform: translateY(0) !important;
}

/* セクション自体・コンテナは常に表示 */
section, .container, .stats, .footer {
  opacity: 1 !important;
  transform: none !important;
}

/* ================================================
   RESPONSIVE
   ================================================ */
@media (max-width: 1100px) {
  .services__grid { grid-template-columns: repeat(2,1fr); }
  .works__grid    { grid-template-columns: repeat(2,1fr); }
  .whyus__grid    { grid-template-columns: repeat(2,1fr); }
  .contact__cards { grid-template-columns: repeat(2,1fr); }
  .hero__inner        { gap: 48px; }
  .ai-section__inner  { gap: 48px; }
  .about__inner       { gap: 48px; }
}
@media (max-width: 900px) {
  .stats__grid  { grid-template-columns: repeat(2,1fr); }
  .about__inner { grid-template-columns: 1fr; gap: 40px; }
}
@media (max-width: 768px) {
  .header__inner { position: relative; }
  .nav {
    display: none; flex-direction: column; align-items: flex-start;
    position: absolute; top: calc(var(--header-h) - 4px); left: 0; right: 0;
    background: rgba(2,8,24,.97); backdrop-filter: blur(20px);
    padding: 16px 20px 24px; gap: 4px;
    border-top: 1px solid rgba(255,255,255,.07);
  }
  .nav.open   { display: flex; }
  .nav__link  { width: 100%; padding: 12px 16px; }
  .nav__cta   { margin-left: 0; width: 100%; justify-content: center; }
  .lang-switcher { margin-left: 0; width: 100%; justify-content: center; padding: 8px 0 0; }
  .hamburger  { display: flex; }
  .hero__inner { grid-template-columns: 1fr; }
  .hero__visual { display: none; }
  .hero__content { max-width: 100%; }
  .ai-section__inner { grid-template-columns: 1fr; }
  .services__grid { grid-template-columns: 1fr; }
  .works__grid    { grid-template-columns: 1fr; }
  .whyus__grid    { grid-template-columns: 1fr 1fr; }
  .contact__cards { grid-template-columns: repeat(2,1fr); }
  .footer__inner  { flex-direction: column; gap: 40px; }
  .footer__nav    { flex-direction: column; gap: 32px; }
  .footer__bottom { flex-direction: column; gap: 8px; text-align: center; }
}
@media (max-width: 480px) {
  .hero__title    { font-size: 1.75rem; }
  .hero__actions  { flex-direction: column; }
  .whyus__grid    { grid-template-columns: 1fr; }
  .contact__cards { grid-template-columns: 1fr; }
  .stats__grid    { grid-template-columns: repeat(2,1fr); }
  .section        { padding: 36px 0; }
}