/* ==========================================================
   CrossVision inc. — AI-Driven Corporate Site
   カラーはすべてCSS変数で定義（テーマは css/themes.css 参照）
   ========================================================== */

/* display を持つ要素でも hidden 属性を効かせる */
[hidden] { display: none !important; }

:root {
  /* base — モノクローム × エレクトリックブルー */
  --bg: #fafafa;
  --bg-2: #f1f3f8;
  --bg-3: #e9edf6;
  --tint: #eef1ff;
  --tint-rgb: 238, 241, 255;
  /* dark sections (solutions / footer) */
  --dark: #0d0d13;
  --dark-2: #15151f;
  --dark-text: #e6e8f0;
  --dark-dim: #9a9fb5;
  --dark-border: rgba(130, 150, 255, 0.28);
  /* surfaces */
  --surface: #ffffff;
  --panel: rgba(250, 250, 252, 0.94);
  --header-bg: rgba(250, 250, 250, 0.82);
  --border: rgba(20, 30, 80, 0.12);
  /* text */
  --text: #26262b;
  --text-dim: #6b6e7a;
  --heading: #101014;
  /* accent */
  --accent: #2b4bff;
  --accent-strong: #1e3aeb;
  --accent-deep: #1730c4;
  --accent-rgb: 43, 75, 255;
  --gradient: linear-gradient(120deg, #4d6bff 0%, #2b4bff 50%, #1730c4 100%);
  /* canvas (JSから参照) */
  --cv-link: 43, 75, 255;
  --cv-node: 30, 58, 235;
  --cv-edge-a: 130, 155, 255;
  --cv-edge-b: 43, 75, 255;
  --cv-core: 77, 107, 255;
  --cv-particle: 43, 75, 255;
  /* misc */
  --font-en: "Space Grotesk", sans-serif;
  --font-jp: "Noto Sans JP", sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-jp);
  font-weight: 400;
  line-height: 1.9;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  transition: background 0.4s, color 0.4s;
}

::selection { background: rgba(var(--accent-rgb), 0.3); }

img { max-width: 100%; }
a { color: inherit; text-decoration: none; }

.container {
  width: min(1160px, 92%);
  margin: 0 auto;
}

.pc-only { display: inline; }
@media (max-width: 768px) { .pc-only { display: none; } }

/* ---------- gradient text ---------- */
.gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

/* ---------- pulse dot ---------- */
.pulse-dot {
  display: inline-block;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent);
  margin-right: 8px;
  box-shadow: 0 0 0 0 rgba(var(--accent-rgb), 0.6);
  animation: pulse 2s infinite;
  vertical-align: middle;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(var(--accent-rgb), 0.6); }
  70% { box-shadow: 0 0 0 10px rgba(var(--accent-rgb), 0); }
  100% { box-shadow: 0 0 0 0 rgba(var(--accent-rgb), 0); }
}

/* ==========================================================
   LOADER
   ========================================================== */
.loader {
  position: fixed; inset: 0;
  background: var(--bg);
  z-index: 9999;
  display: flex; align-items: center; justify-content: center;
  transition: opacity 0.6s var(--ease), visibility 0.6s;
}
.loader.done { opacity: 0; visibility: hidden; }
.loader-inner { text-align: center; width: min(320px, 80%); }
.loader-logo {
  margin-bottom: 24px;
}
.loader-logo img {
  width: min(220px, 70%);
  height: auto;
  display: inline-block;
}
.loader-bar {
  height: 2px; background: rgba(var(--accent-rgb), 0.15);
  border-radius: 2px; overflow: hidden;
}
.loader-bar-fill {
  height: 100%; width: 0%;
  background: var(--gradient);
  transition: width 0.3s ease;
}
.loader-status {
  margin-top: 14px;
  font-family: var(--font-en);
  font-size: 0.65rem; letter-spacing: 0.25em;
  color: var(--text-dim);
}

/* ==========================================================
   SCROLL PROGRESS / CURSOR
   ========================================================== */
.scroll-progress {
  position: fixed; top: 0; left: 0;
  height: 2px; width: 0%;
  background: var(--gradient);
  z-index: 1001;
}
.cursor-glow {
  position: fixed;
  width: 500px; height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(var(--accent-rgb), 0.1) 0%, transparent 65%);
  pointer-events: none;
  transform: translate(-50%, -50%);
  z-index: 0;
  transition: opacity 0.4s;
}
@media (hover: none) { .cursor-glow { display: none; } }

/* ==========================================================
   HEADER
   ========================================================== */
.header {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 1000;
  transition: background 0.4s, backdrop-filter 0.4s, border-color 0.4s;
  border-bottom: 1px solid transparent;
}
.header.scrolled {
  background: var(--header-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom-color: var(--border);
}
.header-inner {
  width: min(1280px, 94%);
  margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  height: 72px;
}
.logo {
  display: flex; align-items: center;
}
.logo img {
  height: 32px;
  width: auto;
  display: block;
}
.logo-invert img { filter: invert(1) brightness(1.6); }
.nav { display: flex; align-items: center; gap: 28px; }
.nav a {
  font-family: var(--font-en);
  font-size: 0.85rem; letter-spacing: 0.06em;
  color: var(--text-dim);
  transition: color 0.3s;
  position: relative;
}
.nav a:hover { color: var(--heading); }
.nav a:not(.nav-cta)::after {
  content: "";
  position: absolute; left: 0; bottom: -6px;
  width: 0; height: 1px;
  background: var(--gradient);
  transition: width 0.3s var(--ease);
}
.nav a:not(.nav-cta):hover::after { width: 100%; }
.nav-cta {
  padding: 9px 20px;
  border: 1px solid var(--heading);
  border-radius: 100px;
  color: var(--heading) !important;
  background: var(--surface);
  transition: border-color 0.3s, box-shadow 0.3s, background 0.3s, color 0.3s !important;
}
.nav-cta:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff !important;
  box-shadow: 0 4px 20px rgba(var(--accent-rgb), 0.4);
}
.menu-toggle {
  display: none;
  flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer;
  padding: 8px;
}
.menu-toggle span {
  width: 24px; height: 2px;
  background: var(--heading);
  transition: transform 0.3s, opacity 0.3s;
}
.menu-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.open span:nth-child(2) { opacity: 0; }
.menu-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 900px) {
  .menu-toggle { display: flex; }
  .nav {
    position: fixed; top: 72px; right: 0;
    flex-direction: column; align-items: flex-end;
    gap: 22px;
    background: var(--header-bg);
    backdrop-filter: blur(20px);
    padding: 36px 32px;
    border-left: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    border-radius: 0 0 0 16px;
    transform: translateX(110%);
    transition: transform 0.4s var(--ease);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.12);
  }
  .nav.open { transform: translateX(0); }
}

/* ==========================================================
   BUTTONS
   ========================================================== */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 32px;
  border-radius: 100px;
  font-family: var(--font-jp);
  font-size: 0.95rem; font-weight: 500;
  cursor: pointer;
  transition: transform 0.3s var(--ease), box-shadow 0.3s, background 0.3s, border-color 0.3s;
  border: none;
}
.btn-lg { padding: 17px 44px; font-size: 1.05rem; }
.btn-primary {
  background: var(--gradient);
  color: #fff;
  font-weight: 700;
  box-shadow: 0 4px 24px rgba(var(--accent-rgb), 0.4);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(var(--accent-rgb), 0.55);
}
.btn-ghost {
  background: var(--surface);
  border: 1px solid var(--heading);
  color: var(--heading);
}
.btn-ghost:hover {
  border-color: var(--accent-strong);
  color: var(--accent-deep);
  box-shadow: 0 4px 20px rgba(var(--accent-rgb), 0.25);
  transform: translateY(-2px);
}
.btn-arrow { transition: transform 0.3s var(--ease); }
.btn:hover .btn-arrow { transform: translateX(4px); }

/* ==========================================================
   HERO — マウスに共鳴する波紋
   ========================================================== */
.hero {
  position: relative;
  min-height: 92svh;
  display: flex; align-items: center;
  padding-top: 72px;
  overflow: hidden;
  background: var(--bg);
}
.hero-aurora {
  position: absolute; inset: 0;
  overflow: hidden;
  pointer-events: none;
}
.hero-aurora span {
  position: absolute;
  width: 60vmax; height: 60vmax;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.5;
}
.hero-aurora span:nth-child(1) {
  top: -30vmax; right: -18vmax;
  background: radial-gradient(circle, rgba(var(--accent-rgb), 0.16) 0%, transparent 60%);
  animation: auroraDrift 18s ease-in-out infinite alternate;
}
.hero-aurora span:nth-child(2) {
  bottom: -35vmax; left: -20vmax;
  background: radial-gradient(circle, rgba(var(--accent-rgb), 0.1) 0%, transparent 60%);
  animation: auroraDrift 24s ease-in-out infinite alternate-reverse;
}
@keyframes auroraDrift {
  from { transform: translate(0, 0) scale(1); }
  to { transform: translate(-6vmax, 5vmax) scale(1.15); }
}
#rippleCanvas {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
}
.hero-grid-overlay {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(var(--accent-rgb), 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(var(--accent-rgb), 0.06) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 0%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 0%, transparent 100%);
  pointer-events: none;
}
.hero-content {
  position: relative; z-index: 2;
  width: min(1160px, 92%);
  margin: 0 auto;
}
.hero-title {
  font-size: clamp(2.6rem, 7.2vw, 5.6rem);
  font-weight: 900;
  line-height: 1.25;
  letter-spacing: 0.02em;
  margin-bottom: 30px;
  color: var(--heading);
}
.hero-line { display: block; }
.hero-sub {
  font-size: clamp(1rem, 2.4vw, 1.4rem);
  font-weight: 500;
  margin-bottom: 20px;
  min-height: 3em;
  color: var(--heading);
  line-height: 1.6;
}
.typewriter {
  font-family: var(--font-jp);
  color: var(--accent-deep);
  font-weight: 700;
}
.typewriter-cursor {
  color: var(--accent-strong);
  animation: blink 1s step-end infinite;
  font-weight: 300;
}
@keyframes blink { 50% { opacity: 0; } }
.hero-desc {
  color: var(--text-dim);
  font-size: clamp(0.92rem, 1.6vw, 1.05rem);
  margin-bottom: 44px;
}
.hero-actions { display: flex; gap: 18px; flex-wrap: wrap; }
.hero-scroll-hint {
  position: absolute; bottom: 36px; left: 50%;
  transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  font-family: var(--font-en);
  font-size: 0.65rem; letter-spacing: 0.3em;
  color: var(--text-dim);
  z-index: 2;
}
.scroll-line {
  width: 1px; height: 48px;
  background: linear-gradient(to bottom, var(--accent-strong), transparent);
  animation: scrollLine 2s var(--ease) infinite;
  transform-origin: top;
}
@keyframes scrollLine {
  0% { transform: scaleY(0); }
  50% { transform: scaleY(1); }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ==========================================================
   SECTIONS (common)
   ========================================================== */
.section { padding: 96px 0; position: relative; }
.section-head { margin-bottom: 52px; }
.section-label {
  font-family: var(--font-en);
  font-size: 0.8rem; letter-spacing: 0.3em;
  line-height: 1;
  color: var(--accent-deep);
  margin-bottom: 14px;
}
.section-title {
  font-size: clamp(1.7rem, 4.4vw, 2.9rem);
  font-weight: 900;
  line-height: 1.5;
  letter-spacing: 0.02em;
  color: var(--heading);
}
.section-title-line { display: block; }
.section-lead {
  margin-top: 26px;
  color: var(--text-dim);
  font-size: 1rem;
}

/* ---------- reveal animation ---------- */
.reveal {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ==========================================================
   ABOUT
   ========================================================== */
.about { background: var(--bg); }
.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 64px;
  align-items: center;
}
/* 本文の段落間を右のカード列の高さに合わせて配分し、上下の余白差をなくす */
.about-text {
  display: flex;
  flex-direction: column;
  justify-content: center;
  height: 100%;
}
.about-text p:last-child { margin-bottom: 0; }
.about .section-head { margin-bottom: 36px; }
.about-title {
  white-space: nowrap;
  font-size: clamp(2rem, 4.2vw, 3.2rem);
  letter-spacing: -0.025em;
}
.about-text p { margin-bottom: 22px; color: var(--text-dim); }
.about-text strong { color: var(--heading); font-weight: 700; }
.about-stats { display: grid; gap: 20px; }
.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 28px 32px;
  display: grid;
  gap: 12px;
  align-content: center;
  transition: border-color 0.3s, box-shadow 0.3s;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}
.stat-card:hover {
  border-color: rgba(var(--accent-rgb), 0.5);
  box-shadow: 0 12px 40px rgba(var(--accent-rgb), 0.15);
}
.stat-value {
  font-family: var(--font-en);
  font-size: 2.8rem; font-weight: 700;
  line-height: 1;
  background: var(--gradient);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
  white-space: nowrap;
  min-width: 110px;
}
.stat-value.stat-concept {
  min-width: 0;
  font-family: var(--font-jp);
  font-size: 1.12rem;
  letter-spacing: 0.02em;
}
.stat-unit { font-size: 1.2rem; vertical-align: 0.12em; }
.stat-label { font-size: 0.88rem; color: var(--text-dim); line-height: 1.7; }

@media (max-width: 860px) {
  .about-title { white-space: normal; }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
}
@media (max-width: 480px) {
  .stat-card {
    gap: 14px;
    padding: 24px;
  }
}

/* ==========================================================
   STRENGTH
   ========================================================== */
.strength {
  background: linear-gradient(35deg, var(--tint) 0%, var(--tint) 20%, var(--bg) 21%, var(--bg) 79%, var(--tint) 80%, var(--tint) 100%);
}
.strength-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}
.strength-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 44px 34px 38px;
  overflow: hidden;
  transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s;
  will-change: transform;
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.06);
}
.strength-card:hover {
  border-color: rgba(var(--accent-rgb), 0.55);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.12), 0 0 40px rgba(var(--accent-rgb), 0.15);
}
.strength-num {
  position: absolute; top: 18px; right: 24px;
  font-family: var(--font-en);
  font-size: 3.4rem; font-weight: 700;
  color: rgba(var(--accent-rgb), 0.18);
  line-height: 1;
}
.strength-icon {
  width: 56px; height: 56px;
  color: var(--accent-strong);
  margin-bottom: 26px;
}
.strength-icon svg { width: 100%; height: 100%; }
.strength-card h3 {
  font-size: 1.25rem; font-weight: 700;
  margin-bottom: 6px;
  color: var(--heading);
}
.strength-en {
  font-family: var(--font-en);
  font-size: 0.7rem; letter-spacing: 0.25em;
  color: var(--accent-deep);
  margin-bottom: 18px;
}
.strength-card p:last-child {
  font-size: 0.92rem; color: var(--text-dim);
}
.strength-card strong { color: var(--heading); }

@media (max-width: 900px) {
  .strength-grid { grid-template-columns: 1fr; }
}

/* ==========================================================
   SERVICE
   ========================================================== */
.service { background: var(--bg); }
.service-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 26px;
  margin-bottom: 26px;
}
.service-card {
  position: relative;
  background: linear-gradient(160deg, var(--bg-3) 0%, var(--bg-2) 100%);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 48px 42px;
  overflow: hidden;
  transition: border-color 0.4s, transform 0.4s var(--ease), box-shadow 0.4s;
}
.service-card:hover {
  border-color: rgba(var(--accent-rgb), 0.5);
  transform: translateY(-4px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.1);
}
.service-card-glow {
  position: absolute; top: -80px; right: -80px;
  width: 260px; height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(var(--accent-rgb), 0.2), transparent 70%);
  pointer-events: none;
}
.service-type {
  font-family: var(--font-en);
  font-size: 0.72rem; letter-spacing: 0.3em;
  color: var(--accent-deep);
  margin-bottom: 20px;
}
.service-card h3 {
  font-size: 1.5rem; font-weight: 900;
  line-height: 1.55;
  margin-bottom: 18px;
  color: var(--heading);
}
.service-formula {
  display: inline-block;
  font-size: 0.85rem; font-weight: 700;
  padding: 8px 18px;
  border: 1px solid rgba(var(--accent-rgb), 0.4);
  border-radius: 100px;
  background: rgba(var(--accent-rgb), 0.08);
  margin-bottom: 24px;
  color: var(--heading);
}
.service-formula span { color: var(--accent-deep); margin: 0 6px; }
.service-card > p:not(.service-type):not(.service-formula) {
  font-size: 0.93rem; color: var(--text-dim);
  margin-bottom: 24px;
}
.service-points { list-style: none; }
.service-points li {
  position: relative;
  padding-left: 26px;
  font-size: 0.9rem;
  margin-bottom: 10px;
  color: var(--text);
}
.service-points li::before {
  content: "▸";
  position: absolute; left: 0;
  color: var(--accent-strong);
}
.service-sub {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 26px;
}
.service-sub-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 32px 34px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}
.service-sub-card h4 { font-size: 1.05rem; font-weight: 700; margin-bottom: 12px; color: var(--heading); }
.service-sub-card p:last-child { font-size: 0.88rem; color: var(--text-dim); }
.service-sub-card .service-type { margin-bottom: 12px; }

@media (max-width: 860px) {
  .service-grid, .service-sub { grid-template-columns: 1fr; }
  .service-card { padding: 38px 28px; }
}

/* ==========================================================
   PROCESS
   ========================================================== */
.process { background: var(--bg-2); }
.process-timeline {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  padding-top: 30px;
}
.process-line {
  position: absolute;
  top: 55px; left: 6%; right: 6%;
  height: 2px;
  background: rgba(var(--accent-rgb), 0.15);
  overflow: hidden;
}
.process-line::after {
  content: "";
  position: absolute; inset: 0;
  background: var(--gradient);
  transform: scaleX(var(--progress, 0));
  transform-origin: left;
  transition: transform 0.2s linear;
}
.process-step { text-align: center; padding: 0 8px; }
.process-node {
  width: 52px; height: 52px;
  margin: 0 auto 24px;
  border-radius: 50%;
  border: 1px solid rgba(var(--accent-rgb), 0.4);
  background: var(--surface);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-en);
  font-weight: 700;
  color: var(--accent-deep);
  position: relative; z-index: 1;
  box-shadow: 0 0 0 8px var(--bg-2);
}
.process-step h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 12px; color: var(--heading); }
.process-step p { font-size: 0.86rem; color: var(--text-dim); text-align: left; }

@media (max-width: 860px) {
  .process-timeline { grid-template-columns: 1fr; gap: 42px; }
  .process-line { display: none; }
  .process-step { display: grid; grid-template-columns: 52px 1fr; gap: 20px; text-align: left; }
  .process-node { margin: 0; box-shadow: none; }
  .process-step h3 { grid-column: 2; }
  .process-step p { grid-column: 2; }
  .process-node { grid-row: 1 / 3; }
}

/* ==========================================================
   SOLUTIONS  (ダークアクセントセクション)
   ========================================================== */
.solutions {
  background: linear-gradient(160deg, var(--dark) 0%, var(--dark-2) 100%);
  overflow: hidden;
}
.solutions .section-title { color: #ffffff; }
.solutions .section-label { color: var(--accent); }
.solutions .section-lead { color: var(--dark-dim); }
.solutions.section { padding: 72px 0; }
.solutions-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 48px;
  align-items: center;
}
.solutions .section-head { margin-bottom: 28px; }
.solutions .section-title { font-size: clamp(1.5rem, 3vw, 2.2rem); }
.solutions .section-lead { margin-top: 12px; font-size: 0.92rem; }

/* タブの下 — 探求ステートメント */
.solutions-explore {
  margin-top: 26px;
  padding-top: 22px;
  border-top: 1px solid var(--dark-border);
}
.solutions-explore-text {
  font-size: 0.86rem;
  line-height: 1.85;
  color: var(--dark-dim);
}
.solutions-explore-note {
  margin-top: 10px;
  font-size: 0.74rem;
  line-height: 1.8;
  color: var(--dark-dim);
  opacity: 0.62;
}
.solution-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.solution-tab {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border: 1px solid var(--dark-border);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.03);
  cursor: pointer;
  text-align: left;
  font-family: var(--font-jp);
  transition: border-color 0.3s, background 0.3s, transform 0.3s var(--ease);
}
.solution-tab:hover {
  border-color: rgba(var(--accent-rgb), 0.55);
  background: rgba(var(--accent-rgb), 0.08);
  transform: translateX(4px);
}
.solution-tab.active {
  border-color: var(--accent);
  background: rgba(var(--accent-rgb), 0.14);
}
.solution-num {
  font-family: var(--font-en);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--accent);
  flex-shrink: 0;
  min-width: 24px;
}
.solution-name {
  font-size: 0.86rem;
  font-weight: 500;
  color: #ffffff;
  line-height: 1.45;
}
/* 準備中のソリューション */
.solution-tab.is-coming-soon {
  cursor: default;
  background: rgba(255, 255, 255, 0.015);
  border-color: rgba(255, 255, 255, 0.07);
}
.solution-tab.is-coming-soon:hover {
  transform: none;
  background: rgba(255, 255, 255, 0.015);
  border-color: rgba(255, 255, 255, 0.07);
}
/* バッジ分の幅を空けるため、余白と文字を少し詰めて1行に収める */
.solution-tab.is-coming-soon { padding: 12px 12px; gap: 10px; }
.solution-tab.is-coming-soon .solution-num { color: rgba(var(--accent-rgb), 0.4); }
.solution-tab.is-coming-soon .solution-name {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.38);
}
.solution-soon {
  margin-left: auto;
  flex-shrink: 0;
  padding: 2px 7px;
  border-radius: 100px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  font-size: 0.58rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: rgba(255, 255, 255, 0.5);
  white-space: nowrap;
}
.octa-frame {
  position: relative;
  aspect-ratio: 1;
  max-width: 480px;
  margin: 0 auto;
  border: 1px solid var(--dark-border);
  border-radius: 24px;
  background:
    radial-gradient(circle at 50% 50%, rgba(var(--accent-rgb), 0.12), transparent 70%),
    rgba(255, 255, 255, 0.02);
  overflow: hidden;
  cursor: grab;
}
.octa-frame:active { cursor: grabbing; }
#octaCanvas { width: 100%; height: 100%; display: block; touch-action: none; }
.octa-hud {
  position: absolute; top: 16px; left: 20px; right: 20px;
  font-family: var(--font-en);
  font-size: 0.62rem; letter-spacing: 0.2em;
  color: var(--dark-dim);
  pointer-events: none;
}
.octa-hint {
  position: absolute; bottom: 16px; left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-en);
  font-size: 0.62rem; letter-spacing: 0.3em;
  color: var(--dark-dim);
  pointer-events: none;
  animation: hintFade 3s ease infinite;
}
@keyframes hintFade { 0%, 100% { opacity: 0.4; } 50% { opacity: 1; } }
body.solution-modal-open { overflow: hidden; }
.solution-modal {
  position: fixed;
  inset: 0;
  z-index: 9000;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: clamp(16px, 4vh, 48px) clamp(16px, 3vw, 32px);
  visibility: hidden;
  pointer-events: none;
  transition: visibility 0.7s;
}
.solution-modal.show {
  visibility: visible;
  pointer-events: auto;
}
/* 背景：白透過とぼかしをフェードで乗せる
   （モーダル親のopacityを使うとbackdrop-filterが効かなくなるため、背景自体を遷移させる） */
.solution-modal-backdrop {
  position: absolute;
  inset: 0;
  border: none;
  background: rgba(248, 250, 253, 0);
  backdrop-filter: blur(0px);
  -webkit-backdrop-filter: blur(0px);
  cursor: pointer;
  transition:
    background 0.65s var(--ease),
    backdrop-filter 0.7s var(--ease),
    -webkit-backdrop-filter 0.7s var(--ease);
}
.solution-modal.show .solution-modal-backdrop {
  background: rgba(248, 250, 253, 0.55);
  backdrop-filter: blur(14px) saturate(1.2);
  -webkit-backdrop-filter: blur(14px) saturate(1.2);
}
.solution-detail {
  position: relative;
  z-index: 1;
  width: min(1040px, 100%);
  max-height: min(86vh, 900px);
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: clamp(30px, 4vw, 48px) clamp(24px, 3.5vw, 44px) clamp(34px, 4vw, 52px);
  border-radius: 22px;
  border: 1px solid rgba(255, 255, 255, 0.9);
  background:
    linear-gradient(rgba(255, 255, 255, 0.92), rgba(255, 255, 255, 0.92)),
    radial-gradient(circle at 12% 0%, rgba(var(--accent-rgb), 0.5), transparent 46%),
    radial-gradient(circle at 95% 100%, rgba(var(--accent-rgb), 0.35), transparent 40%),
    #ffffff;
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.95) inset,
    0 24px 70px rgba(15, 23, 42, 0.18),
    0 6px 22px rgba(var(--accent-rgb), 0.12);
  transform: translateY(16px) scale(0.965);
  opacity: 0;
  transition:
    transform 0.7s cubic-bezier(0.22, 1, 0.36, 1),
    opacity 0.55s var(--ease);
}
/* 上辺のアクセントライン */
.solution-detail::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--gradient);
  border-radius: 22px 22px 0 0;
}
.solution-detail.show {
  transform: translateY(0) scale(1);
  opacity: 1;
}
.solution-detail-inner {
  width: min(960px, 100%);
  margin: 0 auto;
}
.solution-detail-close {
  position: sticky;
  top: 0;
  float: right;
  z-index: 2;
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border: 1px solid var(--border);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.92);
  color: var(--text-dim);
  font-size: 1.35rem;
  cursor: pointer;
  line-height: 1;
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.08);
  transition: color 0.3s, border-color 0.3s, background 0.3s, transform 0.3s;
}
.solution-detail-close:hover {
  color: var(--heading);
  border-color: rgba(var(--accent-rgb), 0.45);
  background: rgba(var(--accent-rgb), 0.08);
  transform: rotate(90deg);
}
.solution-detail-num {
  font-family: var(--font-en);
  font-size: 0.75rem;
  letter-spacing: 0.25em;
  color: var(--accent);
  margin-bottom: 12px;
}
.solution-detail-title {
  font-size: clamp(1.35rem, 2.8vw, 1.9rem);
  font-weight: 700;
  color: var(--heading);
  margin-bottom: 14px;
  line-height: 1.35;
  padding-right: 44px;
}
.solution-detail-desc {
  font-size: clamp(0.9rem, 1.5vw, 0.98rem);
  color: var(--text-dim);
  line-height: 1.85;
  max-width: 72ch;
}
.solution-section-label {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-en);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  color: var(--accent);
  margin-bottom: 16px;
}
/* ラベル後ろに伸びる罫線 */
.solution-section-label::after {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, rgba(var(--accent-rgb), 0.35), transparent);
}
.solution-detail-service,
.solution-detail-works,
.solution-detail-pricing {
  margin-top: 30px;
}
.solution-detail-service .section-label {
  margin-bottom: 10px;
}
.solution-service-headline {
  font-size: clamp(1.15rem, 2.4vw, 1.45rem);
  font-weight: 900;
  line-height: 1.55;
  margin-bottom: 18px;
  color: var(--heading);
}
.solution-detail-service .service-grid {
  margin-bottom: 18px;
}
.solution-detail-service .service-card {
  padding: 34px 28px;
}
.solution-detail-service .service-card h3 {
  font-size: 1.15rem;
  line-height: 1.55;
}
.service-card-visual {
  position: relative;
  margin: 0 0 20px;
  height: 136px;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  overflow: visible;
}
.service-card-silhouette {
  display: block;
  width: 100%;
  height: 128px;
  background: #0a0a0c;
  -webkit-mask-image: var(--silhouette);
  mask-image: var(--silhouette);
  -webkit-mask-size: contain;
  mask-size: contain;
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
  -webkit-mask-position: center bottom;
  mask-position: center bottom;
  /* シルエット形状に沿った投影（矩形ボックスではない） */
  filter: drop-shadow(0 10px 14px rgba(0, 0, 0, 0.14)) drop-shadow(0 3px 6px rgba(0, 0, 0, 0.08));
  pointer-events: none;
  user-select: none;
}
.solution-works-list {
  display: grid;
  gap: 12px;
}
.solution-work-card {
  position: relative;
  padding: 18px 20px 18px 24px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.75);
  overflow: hidden;
  transition: border-color 0.3s, box-shadow 0.3s;
}
/* 左端のアクセントバー */
.solution-work-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; bottom: 0;
  width: 3px;
  background: var(--gradient);
}
.solution-work-card:hover {
  border-color: rgba(var(--accent-rgb), 0.4);
  box-shadow: 0 10px 30px rgba(var(--accent-rgb), 0.12);
}
.solution-work-title {
  font-size: 0.96rem;
  font-weight: 700;
  color: var(--heading);
  margin-bottom: 6px;
  line-height: 1.45;
}
.solution-work-meta {
  font-family: var(--font-en);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 8px;
}
.solution-work-desc {
  font-size: 0.84rem;
  color: var(--text-dim);
  line-height: 1.75;
}
.solution-work-embed {
  margin-top: 16px;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid rgba(var(--accent-rgb), 0.2);
  background: var(--bg-2);
  aspect-ratio: 16 / 10;
  min-height: 280px;
}
.solution-work-embed iframe {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 280px;
  border: 0;
}
.solution-work-embed-link {
  display: inline-block;
  margin-top: 10px;
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--accent-deep);
  text-decoration: none;
  transition: color 0.25s;
}
.solution-work-embed-link:hover { color: var(--heading); }
/* ---------- 料金プラン（3ティア） ---------- */
.solution-tiers {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 16px;
  padding-top: 12px;
}
.solution-tier {
  position: relative;
  display: grid;
  align-content: start;
  gap: 10px;
  padding: 26px 20px 22px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.85);
  transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s;
}
.solution-tier:hover {
  border-color: rgba(var(--accent-rgb), 0.4);
  box-shadow: 0 14px 36px rgba(var(--accent-rgb), 0.12);
  transform: translateY(-3px);
}
.solution-tier.featured {
  border-color: rgba(var(--accent-rgb), 0.55);
  background:
    linear-gradient(180deg, rgba(var(--accent-rgb), 0.06), rgba(255, 255, 255, 0.95) 55%);
  box-shadow: 0 18px 46px rgba(var(--accent-rgb), 0.16);
}
.solution-tier-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  padding: 4px 16px;
  border-radius: 999px;
  background: var(--gradient);
  color: #ffffff;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  white-space: nowrap;
  box-shadow: 0 6px 16px rgba(var(--accent-rgb), 0.35);
}
.solution-tier-tag {
  font-family: var(--font-en);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  color: var(--accent);
}
.solution-tier-name {
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--heading);
  line-height: 1.45;
}
.solution-tier-price {
  font-family: var(--font-en);
  font-size: clamp(1.3rem, 2.4vw, 1.6rem);
  font-weight: 700;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  padding-bottom: 10px;
  border-bottom: 1px dashed rgba(var(--accent-rgb), 0.25);
}
.solution-tier-features {
  list-style: none;
  display: grid;
  gap: 8px;
}
.solution-tier-features li {
  position: relative;
  padding-left: 22px;
  font-size: 0.82rem;
  color: var(--text-dim);
  line-height: 1.6;
}
.solution-tier-features li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}

/* ---------- オプションプラン ---------- */
.solution-option {
  margin-bottom: 18px;
  padding: 22px 24px;
  border-radius: 18px;
  border: 1px solid transparent;
  background:
    linear-gradient(rgba(255, 255, 255, 0.96), rgba(255, 255, 255, 0.96)) padding-box,
    var(--gradient) border-box;
  box-shadow: 0 10px 30px rgba(var(--accent-rgb), 0.08);
}
.solution-option-head {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 14px;
}
.solution-option-label {
  font-family: var(--font-en);
  font-size: 0.64rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: #ffffff;
  padding: 4px 12px;
  border-radius: 999px;
  background: var(--gradient);
}
.solution-option-name {
  flex: 1;
  font-size: 1rem;
  font-weight: 700;
  color: var(--heading);
  line-height: 1.45;
}
.solution-option-price {
  font-family: var(--font-jp);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--accent-deep);
  white-space: nowrap;
}
.solution-option-features {
  list-style: none;
  display: grid;
  gap: 8px;
  margin-bottom: 12px;
}
.solution-option-features li {
  position: relative;
  padding-left: 22px;
  font-size: 0.84rem;
  color: var(--text-dim);
  line-height: 1.7;
}
.solution-option-features li::before {
  content: "＋";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}
.solution-option-note {
  font-size: 0.76rem;
  color: var(--text-dim);
  opacity: 0.85;
}

/* ---------- 注記 ---------- */
.solution-pricing-notes {
  list-style: none;
  display: grid;
  gap: 8px;
}
.solution-pricing-notes li {
  position: relative;
  padding-left: 16px;
  font-size: 0.84rem;
  color: var(--text-dim);
  line-height: 1.75;
}
.solution-pricing-notes li::before {
  content: "・";
  position: absolute;
  left: 0;
  color: var(--accent);
}

@media (max-width: 900px) {
  .solutions-grid { grid-template-columns: 1fr; gap: 36px; }
  .solution-tab { padding: 10px 14px; gap: 10px; }
  .solution-tab:hover { transform: none; }
  .solution-detail {
    max-height: 92vh;
    border-radius: 18px;
  }
  .solution-detail::before { border-radius: 18px 18px 0 0; }
  .solution-tiers { grid-template-columns: 1fr; gap: 18px; }
  .solution-option-head { flex-direction: column; align-items: flex-start; gap: 8px; }
  .sc-showcase { padding: 20px 16px 4px; }
  .sc-shot-devices { width: 100%; }
}

/* ==========================================================
   SOLUTION DEMOS（各ソリューションのインタラクティブデモ）
   ========================================================== */
.solution-detail-demo {
  margin-top: 26px;
  padding: 24px 22px;
  border: 1px solid rgba(var(--accent-rgb), 0.16);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.75);
}
.solution-demo-box { margin-top: 14px; }
.demo-note {
  font-size: 0.78rem;
  color: var(--text-dim);
  line-height: 1.7;
  margin-bottom: 14px;
}
.demo-btn {
  padding: 10px 22px;
  border-radius: 100px;
  border: none;
  background: linear-gradient(120deg, var(--accent), var(--accent-deep));
  color: #fff;
  font-size: 0.8rem;
  font-weight: 700;
  font-family: var(--font-jp);
  cursor: pointer;
  transition: transform 0.25s, box-shadow 0.25s, opacity 0.25s;
  box-shadow: 0 6px 18px rgba(var(--accent-rgb), 0.25);
}
.demo-btn:hover { transform: translateY(-1px); }
.demo-btn:disabled { opacity: 0.55; cursor: default; transform: none; }

/* --- 02 カスタマーサポートAI（スマホフレーム × 2カラム） --- */
/* --- 04 AI映像解析 --- */
.cvz-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 232px;
  gap: 18px;
  align-items: start;
  margin-top: 4px;
}
.cvz-main { min-width: 0; }
.cvz-stage {
  position: relative;
  aspect-ratio: 16 / 9;
  border-radius: 14px;
  overflow: hidden;
  background: #0a0b10;
  border: 1px solid rgba(20, 30, 80, 0.18);
}
.cvz-video,
.cvz-overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.cvz-video {
  object-fit: cover;
  transform: scaleX(-1);
  opacity: 0;
  transition: opacity 0.4s var(--ease);
}
.cvz-stage.is-live .cvz-video { opacity: 1; }
.cvz-overlay { pointer-events: none; }
/* 明るい映像でも上下のテキストが読めるようにする */
.cvz-stage.is-live::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(rgba(6, 8, 14, 0.55), transparent 16%),
    linear-gradient(transparent 84%, rgba(6, 8, 14, 0.55));
}

/* 起動前・読み込み中・エラーの各パネル */
.cvz-intro,
.cvz-load,
.cvz-error {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 24px;
  text-align: center;
  background: radial-gradient(circle at 50% 40%, #171a26, #0a0b10 72%);
}
.cvz-intro-icon {
  width: 42px;
  height: 42px;
  color: rgba(150, 180, 255, 0.85);
}
.cvz-intro-icon svg { width: 100%; height: 100%; }
.cvz-intro-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: #eaeefb;
}
.cvz-intro-text {
  max-width: 34em;
  font-size: 0.76rem;
  line-height: 1.75;
  color: rgba(200, 208, 230, 0.72);
}
.cvz-start {
  margin-top: 6px;
  padding: 11px 26px;
  border: none;
  border-radius: 100px;
  background: linear-gradient(120deg, var(--accent), var(--accent-deep));
  color: #fff;
  font-family: inherit;
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 8px 22px rgba(var(--accent-rgb), 0.35);
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.cvz-start:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(var(--accent-rgb), 0.45);
}
.cvz-intro-hint {
  font-size: 0.68rem;
  color: rgba(180, 190, 215, 0.5);
}
.cvz-spin {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 2px solid rgba(150, 180, 255, 0.22);
  border-top-color: rgba(150, 180, 255, 0.95);
  animation: cvzSpin 0.85s linear infinite;
}
@keyframes cvzSpin { to { transform: rotate(360deg); } }
.cvz-load-txt {
  max-width: 26em;
  font-size: 0.82rem;
  font-weight: 600;
  line-height: 1.7;
  color: rgba(224, 232, 255, 0.94);
}
.cvz-load-sub {
  font-size: 0.72rem;
  letter-spacing: 0.02em;
  color: rgba(180, 196, 232, 0.68);
}

/* 起動後のモデル追加読み込み。映像を隠さないよう端に寄せる */
.cvz-badge {
  position: absolute;
  left: 12px;
  bottom: 12px;
  right: 12px;
  z-index: 4;
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 9px 13px;
  border: 1px solid rgba(150, 180, 255, 0.2);
  border-radius: 11px;
  background: rgba(10, 12, 20, 0.76);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  animation: cvzLogIn 0.3s var(--ease);
}
.cvz-badge-spin {
  flex: none;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  border: 2px solid rgba(150, 180, 255, 0.22);
  border-top-color: rgba(150, 180, 255, 0.95);
  animation: cvzSpin 0.85s linear infinite;
}
.cvz-badge-txt {
  font-size: 0.72rem;
  line-height: 1.5;
  color: rgba(214, 224, 250, 0.9);
}
.cvz-error-txt {
  max-width: 32em;
  font-size: 0.8rem;
  line-height: 1.7;
  color: #ffd7a1;
}
.cvz-retry { box-shadow: none; }

.cvz-hud {
  position: absolute;
  top: 10px;
  left: 12px;
  right: 12px;
  z-index: 3;
  display: flex;
  justify-content: space-between;
  gap: 10px;
  pointer-events: none;
  opacity: 0;
  font-family: var(--font-en);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  color: rgba(230, 236, 255, 0.8);
  transition: opacity 0.4s var(--ease);
}
.cvz-stage.is-live .cvz-hud { opacity: 1; }
.cvz-rec { display: inline-flex; align-items: center; gap: 6px; }
.cvz-rec i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #ff4d5e;
  animation: cvzRec 1.4s infinite;
}
@keyframes cvzRec { 0%, 100% { opacity: 1; } 50% { opacity: 0.25; } }
.cvz-perf {
  position: absolute;
  left: 12px;
  bottom: 10px;
  z-index: 3;
  pointer-events: none;
  font-family: var(--font-en);
  font-size: 0.62rem;
  color: rgba(230, 236, 255, 0.7);
}
.cvz-warn {
  margin-top: 10px;
  padding: 9px 13px;
  border: 1px solid rgba(214, 138, 20, 0.32);
  border-radius: 10px;
  background: rgba(255, 176, 64, 0.1);
  font-size: 0.72rem;
  line-height: 1.65;
  color: #8a5a08;
  animation: cvzLogIn 0.3s var(--ease);
}
.cvz-ctl {
  margin-top: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.cvz-ctlrow {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}
.cvz-ctlkey {
  flex: none;
  min-width: 3.2em;
  white-space: nowrap;
  font-family: var(--font-en);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  color: var(--text-dim);
}
.cvz-switch {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 12px 5px 6px;
  border: 1px solid var(--border);
  border-radius: 100px;
  background: transparent;
  color: var(--text-dim);
  font-family: var(--font-en);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}
.cvz-switch i {
  position: relative;
  width: 32px;
  height: 18px;
  border-radius: 100px;
  background: rgba(20, 30, 80, 0.18);
  transition: background 0.22s var(--ease);
}
.cvz-switch i::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.28);
  transition: transform 0.22s var(--ease);
}
.cvz-switch.is-on {
  border-color: rgba(var(--accent-rgb), 0.5);
  color: var(--accent-strong);
}
.cvz-switch.is-on i { background: var(--accent); }
.cvz-switch.is-on i::after { transform: translateX(14px); }
.cvz-camsel {
  max-width: 190px;
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: 100px;
  background: transparent;
  color: var(--text-dim);
  font-family: inherit;
  font-size: 0.7rem;
  cursor: pointer;
}
.cvz-tog {
  padding: 7px 14px;
  border: 1px solid var(--border);
  border-radius: 100px;
  background: transparent;
  color: var(--text-dim);
  font-family: inherit;
  font-size: 0.73rem;
  cursor: pointer;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease), color 0.2s var(--ease);
}
.cvz-tog:hover:not(:disabled) { border-color: rgba(var(--accent-rgb), 0.35); }
.cvz-tog.is-on {
  border-color: rgba(var(--accent-rgb), 0.5);
  background: rgba(var(--accent-rgb), 0.09);
  color: var(--accent-strong);
  font-weight: 600;
}
.cvz-tog:disabled { opacity: 0.35; cursor: not-allowed; }
.cvz-tog.is-loading {
  border-color: rgba(var(--accent-rgb), 0.35);
  color: var(--accent-strong);
  opacity: 1;
  animation: cvzPulse 1.1s ease-in-out infinite;
}
@keyframes cvzPulse { 50% { opacity: 0.45; } }
.cvz-side {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.cvz-metrics { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.cvz-metric {
  padding: 11px 11px 9px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.72);
}
.cvz-metric-num {
  font-family: var(--font-en);
  font-size: 1.18rem;
  font-weight: 700;
  line-height: 1;
  color: var(--heading);
}
.cvz-metric-num small {
  margin-left: 3px;
  font-size: 0.58rem;
  font-weight: 500;
  color: var(--text-dim);
}
.cvz-metric-label { margin-top: 6px; font-size: 0.64rem; color: var(--text-dim); }

.cvz-panel {
  padding: 11px 12px 12px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.72);
}
.cvz-panel-title {
  margin-bottom: 9px;
  font-family: var(--font-en);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  color: var(--text-dim);
}
.cvz-appr {
  display: grid;
  grid-template-columns: 13px 2.6em 1fr;
  align-items: center;
  gap: 7px 8px;
}
.cvz-sw {
  width: 13px;
  height: 13px;
  border-radius: 4px;
  background: rgba(20, 30, 80, 0.1);
  box-shadow: inset 0 0 0 1px rgba(20, 30, 80, 0.12);
}
.cvz-sw.is-empty { visibility: hidden; }
.cvz-appr-k { font-size: 0.68rem; color: var(--text-dim); }
.cvz-appr-v {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--heading);
  overflow-wrap: anywhere;
}
.cvz-objs {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.cvz-obj {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 8px;
  padding: 5px 8px;
  border-radius: 7px;
  background: rgba(255, 120, 190, 0.09);
  font-size: 0.7rem;
  color: var(--heading);
  animation: cvzLogIn 0.25s var(--ease);
}
.cvz-obj b { font-family: var(--font-en); font-size: 0.64rem; color: #d1418c; }
.cvz-obj.is-empty {
  justify-content: center;
  background: transparent;
  color: var(--text-dim);
}
.cvz-log-title {
  margin-top: 6px;
  font-family: var(--font-en);
  font-size: 0.63rem;
  letter-spacing: 0.18em;
  color: var(--text-dim);
}
.cvz-log {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-height: 120px;
}
.cvz-log-row {
  display: flex;
  gap: 8px;
  padding: 7px 9px;
  border-radius: 8px;
  background: rgba(var(--accent-rgb), 0.05);
  font-size: 0.68rem;
  line-height: 1.45;
  animation: cvzLogIn 0.3s var(--ease);
}
.cvz-log-row time {
  flex: none;
  font-family: var(--font-en);
  font-size: 0.62rem;
  color: var(--accent);
}
.cvz-log-row span { color: var(--text-dim); }
@keyframes cvzLogIn { from { opacity: 0; transform: translateY(-5px); } }
.cvz-tech { margin: 16px 0 0; }

.llm-demo-grid {
  display: grid;
  grid-template-columns: 1fr 330px;
  gap: 30px;
  align-items: center;
  margin-top: 6px;
}
.llm-demo-lead {
  font-size: 0.86rem;
  line-height: 1.85;
  color: var(--text);
}
.llm-demo-feats {
  list-style: none;
  margin-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.llm-demo-feats li {
  position: relative;
  padding-left: 24px;
  font-size: 0.8rem;
  line-height: 1.7;
  color: var(--text-dim);
}
.llm-demo-feats li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  font-weight: 700;
  color: var(--accent-strong);
}
/* スマホフレーム */
.llm-phone {
  position: relative;
  width: 100%;
  max-width: 330px;
  margin: 0 auto;
  padding: 10px;
  border-radius: 44px;
  background: linear-gradient(160deg, #23232c, #101014);
  box-shadow:
    0 24px 54px rgba(16, 20, 45, 0.3),
    inset 0 1px 1px rgba(255, 255, 255, 0.12);
}
.llm-phone-notch {
  position: absolute;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  width: 88px;
  height: 22px;
  border-radius: 100px;
  background: #101014;
  z-index: 5;
  pointer-events: none;
}
.llm-phone-screen {
  position: relative;
  z-index: 0;
  isolation: isolate;
  height: 600px;
  border-radius: 34px;
  overflow: hidden;
  background: var(--surface);
}
.llm-phone-fallback { padding: 40px 18px; }
.chat-panel.embedded {
  position: static;
  width: 100%;
  height: 100%;
  max-height: none;
  opacity: 1;
  transform: none;
  pointer-events: auto;
  border: none;
  border-radius: 34px; /* スマホ画面の角丸に合わせて自前でクリップ */
  box-shadow: none;
}
.chat-panel.embedded .chat-close { display: none; }
.chat-panel.embedded .chat-header { padding-top: 26px; }
/* 縦長画面ではフェードマスクを浅くしてメッセージを読みやすく */
.chat-panel.embedded .chat-body {
  padding-top: 40%;
  mask-image: linear-gradient(180deg, transparent 14%, black 32%);
  -webkit-mask-image: linear-gradient(180deg, transparent 14%, black 32%);
}

/* --- 02 スマートコントラクト / Sound Desert ショーケース --- */
.demo-02 .solution-work-title { margin-top: 0; }
.sc-showcase {
  position: relative;
  margin-top: 18px;
  padding: 30px 30px 8px;
  border-radius: 18px;
  overflow: hidden;
  background:
    radial-gradient(ellipse 80% 70% at 50% 110%, rgba(var(--accent-rgb), 0.12) 0%, transparent 65%),
    linear-gradient(165deg, #fbfcff 0%, #f2f5fd 100%);
  border: 1px solid rgba(var(--accent-rgb), 0.18);
}
/* うっすらとしたグリッド */
.sc-showcase-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(var(--accent-rgb), 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(var(--accent-rgb), 0.05) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: radial-gradient(ellipse 90% 80% at 50% 45%, #000 30%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 90% 80% at 50% 45%, #000 30%, transparent 100%);
  pointer-events: none;
}
/* アクセントのグラデーションブロブ */
.sc-showcase-blob {
  position: absolute;
  right: -70px; top: -70px;
  width: 260px; height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(var(--accent-rgb), 0.14) 0%, transparent 68%);
  pointer-events: none;
}
.sc-showcase-label {
  position: relative;
  font-family: var(--font-en);
  font-size: 0.6rem;
  letter-spacing: 0.22em;
  color: var(--accent-deep);
  margin-bottom: 6px;
}
/* デバイスモック（透過画像）— 中央に大きく浮かせる */
.sc-shot { margin: 0; position: relative; }
.sc-shot img { display: block; width: 100%; height: auto; }
.sc-shot-devices {
  width: min(92%, 560px);
  margin: 0 auto;
  filter: drop-shadow(0 26px 34px rgba(30, 45, 120, 0.22));
  animation: scFloat 7s ease-in-out infinite;
}
@keyframes scFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}
/* 台座の楕円シャドウ */
.sc-shot-devices::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -2px;
  transform: translateX(-50%);
  width: 68%;
  height: 18px;
  border-radius: 50%;
  background: radial-gradient(ellipse, rgba(30, 45, 120, 0.16) 0%, transparent 70%);
}
.solution-work-source {
  display: inline-block;
  margin-top: 12px;
  font-size: 0.74rem;
  font-weight: 600;
  color: var(--accent-deep);
  text-decoration: none;
  transition: color 0.25s;
}
.solution-work-source:hover { color: var(--heading); }

/* --- 04 スマートフォンアプリ / V-tamp ショーケース --- */
.demo-04 .solution-work-title { margin-top: 0; }

.appdev-hero {
  position: relative;
  margin: 20px 0 0;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid rgba(var(--accent-rgb), 0.14);
  box-shadow: 0 18px 40px -22px rgba(30, 45, 120, 0.45);
}
.appdev-hero img { display: block; width: 100%; height: auto; }

.appdev-stats {
  margin-top: 14px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}
.appdev-stat {
  padding: 16px 12px 18px;
  border-radius: 14px;
  border: 1px solid rgba(var(--accent-rgb), 0.14);
  background:
    linear-gradient(170deg, rgba(255, 255, 255, 0.9) 0%, rgba(var(--accent-rgb), 0.05) 100%);
  text-align: center;
}
.appdev-stat-label {
  font-size: 0.8rem;
  font-weight: 700;
  line-height: 1.45;
  letter-spacing: 0.01em;
  color: var(--heading);
}
.appdev-stat-num {
  margin-top: 10px;
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 3px;
  font-family: var(--font-en);
  line-height: 1.05;
  background: linear-gradient(100deg, var(--accent-deep), var(--accent-strong));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.appdev-stat-figure {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}
/* 「iOS / Android」のような長い値は詰めて1行に収める */
.appdev-stat-figure.is-long {
  font-size: 1.05rem;
  letter-spacing: 0;
  white-space: nowrap;
}
.appdev-stat-unit {
  font-size: 0.72rem;
  font-weight: 700;
}

.appdev-subhead {
  margin: 26px 0 0;
  font-family: var(--font-en);
  font-size: 0.62rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent-deep);
}
.appdev-feats {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px 24px;
}
.appdev-feats li {
  position: relative;
  padding-left: 18px;
  font-size: 0.78rem;
  line-height: 1.75;
  color: var(--text);
}
.appdev-feats li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-deep), var(--accent-strong));
}

/* ストア掲載スクショ列。元画像のストアUIをCSSで切り抜いて使う */
.appdev-shots {
  position: relative;
  margin-top: 22px;
  border-radius: 16px;
  overflow: hidden;
  aspect-ratio: 1000 / 410;
  border: 1px solid rgba(var(--accent-rgb), 0.14);
  background: #f3f5fb;
}
.appdev-shots img {
  display: block;
  width: 100%;
  height: auto;
  margin-top: -23.05%;
}

.appdev-stores {
  margin-top: 18px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.appdev-store {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 20px;
  border-radius: 100px;
  border: 1px solid rgba(var(--accent-rgb), 0.28);
  background: rgba(var(--accent-rgb), 0.05);
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--accent-deep);
  text-decoration: none;
  transition: background 0.25s, color 0.25s, border-color 0.25s, transform 0.25s;
}
.appdev-store svg { width: 15px; height: 15px; flex: none; }
.appdev-store:hover {
  background: var(--accent-deep);
  border-color: transparent;
  color: #fff;
  transform: translateY(-2px);
}

@media (max-width: 720px) {
  .appdev-stats { grid-template-columns: repeat(2, 1fr); }
  .appdev-feats { grid-template-columns: 1fr; }
  .appdev-store { flex: 1 1 100%; justify-content: center; }
}

.demo-03 .solution-work-title { margin-top: 0; }
.demo-03 .solution-work-embed { min-height: 360px; }
.xr-canvas {
  width: 100%;
  height: 300px;
  border-radius: 14px;
  border: 1px solid rgba(var(--accent-rgb), 0.14);
  background:
    radial-gradient(ellipse at 50% 60%, rgba(var(--accent-rgb), 0.05), transparent 70%),
    var(--bg-2);
  cursor: grab;
  touch-action: none;
}
.xr-canvas:active { cursor: grabbing; }

/* --- 05 AI人材 タイムライン --- */
.tl-head { display: flex; align-items: baseline; gap: 14px; margin-bottom: 8px; }
.tl-week {
  font-family: var(--font-en, monospace);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--accent-deep);
  min-width: 84px;
}
.tl-phase { font-size: 0.76rem; color: var(--text-dim); }
.tl-phase strong { color: var(--heading); }
.tl-track {
  height: 6px;
  border-radius: 999px;
  background: rgba(var(--accent-rgb), 0.12);
  overflow: hidden;
  margin-bottom: 18px;
}
.tl-track-fill {
  height: 100%;
  width: 0;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), var(--accent-deep));
  transition: width 0.5s var(--ease);
}
.tl-bars { display: flex; flex-direction: column; gap: 10px; }
.tl-bar-row { display: grid; grid-template-columns: 110px 1fr 34px; align-items: center; gap: 10px; }
.tl-bar-name { font-size: 0.72rem; color: var(--heading); font-weight: 600; }
.tl-bar { height: 10px; border-radius: 999px; background: var(--bg-2); overflow: hidden; }
.tl-bar-fill {
  height: 100%;
  width: 0;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(var(--accent-rgb), 0.55), var(--accent));
  transition: width 0.5s var(--ease);
}
.tl-bar-val {
  font-family: var(--font-en, monospace);
  font-size: 0.72rem;
  color: var(--accent-deep);
  text-align: right;
}
.tl-replay { margin-top: 16px; }

/* --- 06 時系列予測 --- */
.ts-stats { display: flex; gap: 14px; margin-bottom: 10px; }
.ts-stat {
  font-size: 0.74rem;
  padding: 6px 12px;
  border-radius: 100px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-dim);
}
.ts-stat strong { color: var(--heading); }
.ts-stat.anom { border-color: rgba(224, 62, 82, 0.4); }
.ts-stat.anom strong { color: #d03a52; }
.ts-canvas {
  width: 100%;
  height: 240px;
  border-radius: 14px;
  border: 1px solid rgba(var(--accent-rgb), 0.14);
  background: var(--bg-2);
}

/* --- 08 アプリデザイン --- */
.dsn-toggle { display: flex; gap: 8px; margin-bottom: 16px; }
.dsn-toggle-btn {
  padding: 8px 18px;
  border-radius: 100px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-dim);
  font-size: 0.74rem;
  font-family: var(--font-jp);
  cursor: pointer;
  transition: all 0.25s;
}
.dsn-toggle-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  font-weight: 700;
}
.dsn-phone {
  width: min(260px, 100%);
  margin: 0 auto;
  border-radius: 26px;
  border: 6px solid #1a1c24;
  overflow: hidden;
  background: #fff;
}
.dsn-screen { padding: 14px 12px 16px; display: flex; flex-direction: column; gap: 12px; }
.dsn-screen > * { transition: all 0.6s var(--ease); }
.dsn-header { display: flex; justify-content: space-between; align-items: center; }
.dsn-logo { width: 64px; height: 12px; border-radius: 4px; }
.dsn-menu { width: 20px; height: 12px; border-radius: 3px; }
.dsn-hero { height: 84px; border-radius: 12px; padding: 14px 12px; display: flex; flex-direction: column; justify-content: center; gap: 8px; }
.dsn-hero-title { width: 70%; height: 12px; border-radius: 4px; }
.dsn-hero-sub { width: 45%; height: 8px; border-radius: 3px; }
.dsn-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.dsn-card { border-radius: 10px; padding: 8px; display: flex; flex-direction: column; gap: 6px; }
.dsn-thumb { height: 44px; border-radius: 7px; }
.dsn-line { height: 7px; border-radius: 3px; width: 90%; }
.dsn-line.short { width: 55%; }
.dsn-cta { height: 38px; border-radius: 100px; }

/* ワイヤーフレーム時 */
.dsn-phone.wire .dsn-screen { background: #fff; }
.dsn-phone.wire .dsn-logo,
.dsn-phone.wire .dsn-menu,
.dsn-phone.wire .dsn-hero-title,
.dsn-phone.wire .dsn-hero-sub,
.dsn-phone.wire .dsn-thumb,
.dsn-phone.wire .dsn-line,
.dsn-phone.wire .dsn-cta { background: #e2e4ec; }
.dsn-phone.wire .dsn-hero,
.dsn-phone.wire .dsn-card { background: transparent; border: 1.5px dashed #c9ccd8; }

/* 完成UI時 */
.dsn-phone.ui .dsn-logo { background: var(--accent); }
.dsn-phone.ui .dsn-menu { background: #d8dbe6; }
.dsn-phone.ui .dsn-hero { background: linear-gradient(120deg, var(--accent), #7c3aed); border: none; }
.dsn-phone.ui .dsn-hero-title { background: rgba(255, 255, 255, 0.92); }
.dsn-phone.ui .dsn-hero-sub { background: rgba(255, 255, 255, 0.55); }
.dsn-phone.ui .dsn-card { background: #f4f5fa; border: none; }
.dsn-phone.ui .dsn-card:nth-child(1) .dsn-thumb { background: linear-gradient(135deg, #06b6d4, #2b4bff); }
.dsn-phone.ui .dsn-card:nth-child(2) .dsn-thumb { background: linear-gradient(135deg, #f59e0b, #ef4466); }
.dsn-phone.ui .dsn-line { background: #d8dbe6; }
.dsn-phone.ui .dsn-cta { background: linear-gradient(120deg, var(--accent), var(--accent-deep)); }

/* --- モバイル --- */
@media (max-width: 900px) {
  .llm-demo-grid { grid-template-columns: 1fr; gap: 22px; }
  .cvz-grid { grid-template-columns: 1fr; }
  .cvz-metrics { grid-template-columns: repeat(3, 1fr); }
  .cvz-log { min-height: 0; }
}
@media (max-width: 720px) {
  .cvz-metrics { grid-template-columns: 1fr 1fr; }
  /* 16:9 だと起動前パネルが収まらないうえ、自撮り画角にも合わない */
  .cvz-stage { aspect-ratio: 4 / 3; }
  .cvz-intro-icon { display: none; }
  .cvz-intro { gap: 7px; padding: 14px; }
  .cvz-intro-title { font-size: 0.86rem; }
  .cvz-intro-text { font-size: 0.68rem; line-height: 1.55; }
  .cvz-intro-hint { font-size: 0.62rem; }
  .cvz-start { margin-top: 2px; padding: 9px 20px; font-size: 0.78rem; }
  .cvz-camsel { max-width: 100%; }
  .sc-wrap { grid-template-columns: 1fr; }
  .sc-nft { margin: 0 auto; }
  .tl-bar-row { grid-template-columns: 92px 1fr 30px; }
  .llm-phone-screen { height: 500px; }
}

/* ==========================================================
   COMPANY
   ========================================================== */
/* ==========================================================
   DOCOMO STARTUP
   ========================================================== */
.docomo {
  background: linear-gradient(180deg, var(--bg-2) 0%, var(--bg) 100%);
}
.docomo.section { padding: 78px 0; }
.docomo-card {
  max-width: 780px;
  margin: 0 auto;
  padding: 48px 44px 44px;
  border: 1px solid var(--border);
  border-radius: 22px;
  background: var(--surface);
  box-shadow: 0 20px 50px rgba(16, 22, 46, 0.06);
  text-align: center;
}
.docomo-logo {
  width: 272px;
  height: auto;
  margin: 0 auto 24px;
  display: block;
}
.docomo-title {
  font-size: clamp(1.32rem, 2.4vw, 1.72rem);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--heading);
  margin-bottom: 22px;
}
.docomo-body {
  max-width: 620px;
  margin: 0 auto;
  text-align: left;
}
.docomo-body p {
  font-size: 0.9rem;
  line-height: 2;
  color: var(--text);
}
.docomo-body p + p { margin-top: 14px; }

@media (max-width: 720px) {
  .docomo.section { padding: 56px 0; }
  .docomo-card { padding: 34px 22px 30px; border-radius: 18px; }
  .docomo-logo { width: 188px; margin-bottom: 18px; }
  .docomo-title { margin-bottom: 16px; }
  .docomo-body p { font-size: 0.84rem; line-height: 1.95; }
}

/* ==========================================================
   NEWS
   ========================================================== */
.news { background: var(--bg-2); }
.news .section-head { margin-bottom: 40px; }
.news-grid {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 900px;
}
.news-card {
  display: grid;
  grid-template-columns: 168px 1fr auto;
  align-items: center;
  gap: 20px;
  padding: 14px 20px 14px 14px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface);
  text-decoration: none;
  opacity: 0;
  animation: newsCardIn 0.55s var(--ease) both;
  transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s var(--ease);
}
@keyframes newsCardIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}
.news-card:hover {
  transform: translateX(4px);
  border-color: rgba(var(--accent-rgb), 0.4);
  box-shadow: 0 12px 30px rgba(var(--accent-rgb), 0.12);
}
.news-thumb {
  aspect-ratio: 16 / 9;
  border-radius: 9px;
  background: var(--bg-3);
  overflow: hidden;
}
.news-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s var(--ease);
}
.news-card:hover .news-thumb img { transform: scale(1.05); }
.news-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 7px;
}
.news-date {
  font-family: var(--font-en);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  color: var(--accent);
}
.news-cat {
  padding: 3px 9px;
  border-radius: 99px;
  background: var(--tint);
  font-size: 0.66rem;
  letter-spacing: 0.04em;
  color: var(--text-dim);
}
.news-title {
  font-size: 0.92rem;
  font-weight: 700;
  line-height: 1.6;
  color: var(--heading);
  /* 行数が伸びて行の高さが崩れないよう2行で打ち切る */
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
/* 右端の矢印 */
.news-arrow {
  flex: none;
  width: 26px;
  height: 26px;
  color: var(--accent);
  opacity: 0.55;
  transition: transform 0.3s var(--ease), opacity 0.3s;
}
.news-card:hover .news-arrow { transform: translateX(3px); opacity: 1; }

@media (max-width: 720px) {
  .news-grid { gap: 10px; }
  .news-card {
    grid-template-columns: 108px 1fr;
    gap: 14px;
    padding: 10px 14px 10px 10px;
  }
  .news-arrow { display: none; }
  .news-meta { gap: 8px; margin-bottom: 5px; }
  .news-date { font-size: 0.68rem; }
  .news-cat { font-size: 0.6rem; padding: 2px 7px; }
  .news-title { font-size: 0.82rem; line-height: 1.55; }
}

.company { background: var(--bg); }
.company-table {
  border: 1px solid var(--border);
  border-radius: 20px;
  overflow: hidden;
  background: var(--surface);
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.06);
}
.company-table dl div {
  display: grid;
  grid-template-columns: 200px 1fr;
  padding: 26px 36px;
  border-bottom: 1px solid var(--border);
}
.company-table dl div:last-child { border-bottom: none; }
.company-table dt {
  font-weight: 700;
  color: var(--accent-deep);
  font-size: 0.9rem;
}
.company-table dd { font-size: 0.95rem; color: var(--text-dim); }
.company-table dd strong { color: var(--heading); }

@media (max-width: 640px) {
  .company-table dl div { grid-template-columns: 1fr; gap: 8px; padding: 20px 24px; }
}

/* ==========================================================
   CONTACT
   ========================================================== */
.contact {
  background: linear-gradient(180deg, var(--bg) 0%, var(--tint) 100%);
  position: relative;
  overflow: hidden;
}
#contactCanvas {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  opacity: 0.55;
}
.contact-inner {
  position: relative; z-index: 1;
  text-align: center;
  padding: 40px 0;
}
.contact-lead {
  margin: 28px 0 44px;
  color: var(--text-dim);
}
.contact-actions {
  display: flex; gap: 18px; justify-content: center; flex-wrap: wrap;
}

/* ==========================================================
   FOOTER
   ========================================================== */
.footer {
  background: var(--dark);
  color: var(--dark-text);
  padding-top: 64px;
}
.footer .logo img { height: 30px; }
.footer-inner {
  display: flex; justify-content: space-between; align-items: flex-start;
  flex-wrap: wrap; gap: 36px;
  padding-bottom: 48px;
}
.footer-brand p {
  margin-top: 16px;
  font-size: 0.85rem; color: var(--dark-dim);
}
.footer-nav { display: flex; flex-wrap: wrap; gap: 24px; }
.footer-nav a {
  font-family: var(--font-en);
  font-size: 0.82rem;
  color: var(--dark-dim);
  transition: color 0.3s;
}
.footer-nav a:hover { color: var(--accent); }
.footer-bottom {
  border-top: 1px solid var(--dark-border);
  padding: 22px 0;
  text-align: center;
  font-size: 0.75rem;
  color: var(--dark-dim);
  font-family: var(--font-en);
  letter-spacing: 0.1em;
}

/* ==========================================================
   AI CONCIERGE CHAT
   ========================================================== */
.chat-widget { position: fixed; bottom: 28px; right: 28px; z-index: 1100; }
.chat-fab {
  position: relative;
  width: 62px; height: 62px;
  border-radius: 50%;
  border: none;
  background: var(--gradient);
  color: #ffffff;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 8px 28px rgba(var(--accent-rgb), 0.5);
  transition: transform 0.3s var(--ease);
}
.chat-fab:hover { transform: scale(1.08); }
.chat-fab svg { width: 28px; height: 28px; }
.chat-fab-ring {
  position: absolute; inset: -4px;
  border-radius: 50%;
  border: 1px solid rgba(var(--accent-rgb), 0.6);
  animation: fabRing 2.4s ease-out infinite;
}
@keyframes fabRing {
  0% { transform: scale(1); opacity: 1; }
  100% { transform: scale(1.5); opacity: 0; }
}
.chat-panel {
  position: absolute; bottom: 78px; right: 0;
  width: min(380px, calc(100vw - 40px));
  height: 680px;
  max-height: calc(100svh - 140px);
  background: var(--panel);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: 20px;
  display: flex; flex-direction: column;
  overflow: hidden;
  opacity: 0;
  transform: translateY(16px) scale(0.97);
  pointer-events: none;
  transition: opacity 0.35s var(--ease), transform 0.35s var(--ease);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.25);
}
.chat-panel.open {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}
.chat-header {
  display: flex; align-items: center; gap: 10px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--tint);
}
.chat-header-main {
  flex: 1;
  min-width: 0;
}
.chat-name { font-family: var(--font-jp); font-weight: 700; font-size: 0.88rem; line-height: 1.35; color: var(--heading); }
.chat-close {
  flex-shrink: 0;
  background: none; border: none;
  color: var(--text-dim);
  font-size: 1.4rem;
  cursor: pointer;
  transition: color 0.3s;
  line-height: 1;
}
.chat-close:hover { color: var(--heading); }

/* アバター（背景・縦長）とチャットログ（手前・スクロール）を重ねるステージ */
.chat-main {
  position: relative;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}
.chat-stage {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 90% 70% at 50% 100%, rgba(var(--accent-rgb), 0.14) 0%, transparent 70%),
    linear-gradient(180deg, var(--bg-2) 0%, var(--tint) 100%);
}
.avatar-picker {
  position: relative;
  z-index: 6;
  flex-shrink: 0;
  display: flex;
  gap: 4px;
  padding: 3px;
  border: 1px solid rgba(var(--accent-rgb), 0.15);
  border-radius: 100px;
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 4px 14px rgba(16, 16, 20, 0.08);
}
.avatar-choice {
  width: 30px; height: 30px;
  padding: 0;
  display: grid;
  place-items: center;
  border: 1px solid transparent;
  border-radius: 50%;
  background: transparent;
  color: var(--text-dim);
  cursor: pointer;
  transition: color 0.2s, background 0.2s, border-color 0.2s, transform 0.2s;
}
.avatar-choice:hover { color: var(--accent-deep); transform: translateY(-1px); }
.avatar-choice.active {
  color: #fff;
  border-color: rgba(var(--accent-rgb), 0.5);
  background: var(--accent-strong);
  box-shadow: 0 3px 10px rgba(var(--accent-rgb), 0.25);
}
.avatar-choice:disabled { cursor: wait; opacity: 0.55; }
.avatar-choice svg {
  width: 22px; height: 22px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.chat-stage.failed canvas { display: none; }
.chat-stage canvas {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  opacity: 0;
  transition: opacity 0.6s ease;
}
.chat-stage.ready canvas { opacity: 1; }
.chat-stage.ready .chat-stage-loading { opacity: 0; pointer-events: none; }
.chat-stage-loading {
  position: absolute; inset: 0;
  z-index: 3;
  display: flex; align-items: center; justify-content: center; gap: 10px;
  font-family: var(--font-en);
  font-size: 0.62rem;
  letter-spacing: 0.22em;
  color: var(--text-dim);
  transition: opacity 0.25s ease;
}
.chat-stage-loading span {
  width: 10px; height: 10px;
  border-radius: 50%;
  border: 2px solid rgba(var(--accent-rgb), 0.25);
  border-top-color: var(--accent-strong);
  animation: avatarSpin 0.8s linear infinite;
}
@keyframes avatarSpin { to { transform: rotate(360deg); } }
.chat-body {
  position: absolute; inset: 0;
  z-index: 4; /* .chat-stage-loading (z:3) より前面に */
  overflow-y: auto;
  padding: 58% 14px 14px;
  display: flex; flex-direction: column; gap: 10px;
  /* 上端に近づいたログはアバターの胸より上にかかる前にフェードアウト */
  mask-image: linear-gradient(180deg, transparent 38%, black 58%);
  -webkit-mask-image: linear-gradient(180deg, transparent 38%, black 58%);
}
/* メッセージが少ないときは下寄せにする */
.chat-body::before { content: ""; flex: 1 0 auto; }
.chat-body::-webkit-scrollbar { width: 4px; }
.chat-body::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
.chat-msg {
  max-width: 85%;
  padding: 11px 16px;
  border-radius: 16px;
  font-size: 0.86rem;
  line-height: 1.75;
  animation: msgIn 0.4s var(--ease);
}
@keyframes msgIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}
.chat-msg.bot {
  align-self: flex-start;
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--border);
  border-bottom-left-radius: 4px;
  color: var(--text);
}
.chat-estimate-card {
  margin-top: 10px;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid rgba(var(--accent-rgb), 0.35);
  background: rgba(var(--accent-rgb), 0.08);
  font-size: 0.82rem;
  line-height: 1.65;
}
.chat-estimate-card strong {
  display: block;
  margin-bottom: 4px;
  color: var(--accent-deep);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
}
.chat-lead-notice {
  margin-top: 10px;
  font-size: 0.78rem;
  color: var(--accent-deep);
}

/* 詳細見積 CTA */
/* 詳細見積CTA — 一度出したら入力欄の上に固定して流さない */
.chat-lead-bar {
  flex: none;
  padding: 10px 16px 0;
  animation: chatLeadBarIn 0.35s var(--ease);
}
@keyframes chatLeadBarIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}
.chat-lead-bar button {
  width: 100%;
  padding: 12px 18px;
  border-radius: 100px;
  border: none;
  background: linear-gradient(120deg, var(--accent-strong), var(--accent-deep));
  color: #fff;
  font-size: 0.82rem;
  font-weight: 700;
  font-family: var(--font-jp);
  cursor: pointer;
  box-shadow: 0 6px 20px rgba(var(--accent-rgb), 0.35);
  transition: transform 0.25s, box-shadow 0.25s;
}
.chat-lead-bar button:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 26px rgba(var(--accent-rgb), 0.45);
}

/* 詳細見積フォーム（チャット全体オーバーレイ） */
.chat-lead-overlay {
  position: absolute;
  inset: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: rgba(10, 12, 20, 0.45);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  opacity: 0;
  transition: opacity 0.3s var(--ease);
}
.chat-lead-overlay.show {
  opacity: 1;
}
.chat-lead-overlay-inner {
  position: relative;
  width: 100%;
  max-height: 100%;
  overflow-y: auto;
  padding: 26px 22px 22px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: var(--panel);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.3);
  transform: translateY(12px);
  transition: transform 0.3s var(--ease);
}
.chat-lead-overlay.show .chat-lead-overlay-inner {
  transform: translateY(0);
}
.chat-lead-overlay-inner > strong {
  display: block;
  font-size: 0.9rem;
  color: var(--heading);
  margin-bottom: 4px;
}
.chat-lead-overlay-inner p {
  margin: 0 0 14px;
  font-size: 0.74rem;
  color: var(--text);
}
.chat-lead-overlay-close {
  position: absolute;
  top: 10px;
  right: 12px;
  width: 30px;
  height: 30px;
  border: none;
  border-radius: 50%;
  background: transparent;
  color: var(--text);
  font-size: 1.1rem;
  cursor: pointer;
  line-height: 1;
}
.chat-lead-overlay-close:hover {
  background: var(--tint);
}
.chat-lead-overlay-inner label {
  display: block;
  margin-bottom: 12px;
  font-size: 0.72rem;
  color: var(--accent-deep);
  font-weight: 600;
}
.chat-lead-overlay-inner label .req {
  display: inline-block;
  margin-left: 4px;
  padding: 1px 6px;
  border-radius: 4px;
  background: rgba(255, 90, 90, 0.15);
  color: #d05050;
  font-size: 0.62rem;
}
.chat-lead-overlay-inner input,
.chat-lead-overlay-inner select {
  display: block;
  width: 100%;
  margin-top: 4px;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg-2);
  color: var(--text);
  font-size: 0.8rem;
  font-family: var(--font-jp);
}
.chat-lead-overlay-inner input:focus,
.chat-lead-overlay-inner select:focus {
  outline: none;
  border-color: var(--accent-strong);
}
.chat-lead-overlay-inner > button#leadSubmitBtn,
.chat-lead-done > button {
  width: 100%;
  margin-top: 6px;
  padding: 12px;
  border-radius: 10px;
  border: none;
  background: linear-gradient(120deg, var(--accent-strong), var(--accent-deep));
  color: #fff;
  font-size: 0.8rem;
  font-weight: 700;
  font-family: var(--font-jp);
  cursor: pointer;
}
.chat-lead-overlay-inner > button#leadSubmitBtn:disabled {
  opacity: 0.6;
  cursor: default;
}
.chat-lead-error {
  color: #d05050;
  font-size: 0.72rem;
  margin: 0 0 8px;
}
.chat-lead-done {
  text-align: center;
  padding: 10px 0 4px;
}
.chat-lead-done-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  margin: 0 auto 12px;
  border-radius: 50%;
  background: rgba(var(--accent-rgb), 0.15);
  color: var(--accent-deep);
  font-size: 1.3rem;
  font-weight: 700;
}
.chat-lead-done strong {
  display: block;
  font-size: 0.88rem;
  color: var(--heading);
  margin-bottom: 6px;
}
.chat-lead-done p {
  font-size: 0.76rem;
  margin-bottom: 14px;
}

/* セクション誘導リンク */
.chat-section-link {
  background: transparent !important;
  border: none !important;
  padding: 0 !important;
}
.chat-section-link button {
  padding: 10px 16px;
  border-radius: 12px;
  border: 1px solid rgba(var(--accent-rgb), 0.45);
  background: rgba(var(--accent-rgb), 0.07);
  color: var(--accent-deep);
  font-size: 0.76rem;
  font-family: var(--font-jp);
  cursor: pointer;
  transition: background 0.3s, border-color 0.3s;
}
.chat-section-link button:hover {
  background: var(--tint);
  border-color: var(--accent-strong);
}
.chat-progress {
  padding: 6px 14px 0;
}
.chat-progress-track {
  height: 4px;
  border-radius: 999px;
  background: rgba(var(--accent-rgb), 0.15);
  overflow: hidden;
}
.chat-progress-bar {
  height: 100%;
  width: 0;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), var(--accent-deep));
  transition: width 0.4s ease;
}
.chat-progress-label {
  display: block;
  margin-top: 4px;
  font-size: 0.68rem;
  color: var(--text-dim);
}
.chat-intro {
  position: relative;
  z-index: 4; /* .chat-stage-loading (z:3) より前面に */
  margin: 12px 14px;
  padding: 16px 18px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(var(--accent-rgb), 0.25);
  box-shadow: 0 8px 24px rgba(16, 16, 20, 0.08);
}
.chat-intro p {
  font-size: 0.82rem;
  line-height: 1.85;
  color: var(--text);
}
.chat-intro-start {
  display: block;
  width: 100%;
  margin-top: 14px;
  padding: 11px 16px;
  border: none;
  border-radius: 100px;
  background: var(--gradient);
  color: #fff;
  font-family: var(--font-jp);
  font-size: 0.88rem;
  font-weight: 700;
  cursor: pointer;
  transition: opacity 0.25s, transform 0.25s;
}
.chat-intro-start:hover { opacity: 0.92; transform: translateY(-1px); }
.chat-intro-pick {
  margin-top: 14px;
  font-size: 0.74rem !important;
  letter-spacing: 0.04em;
  color: var(--text-dim) !important;
}
.chat-intro-avatars {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 8px;
}
.chat-intro-avatar {
  padding: 11px 8px;
  border: 1px solid rgba(var(--accent-rgb), 0.35);
  border-radius: 100px;
  background: rgba(255, 255, 255, 0.9);
  color: var(--accent-deep);
  font-family: var(--font-jp);
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.25s, color 0.25s, border-color 0.25s, transform 0.25s;
}
.chat-intro-avatar:hover { transform: translateY(-1px); border-color: var(--accent); }
/* いま表示中のアバターがどちらか分かるようにしておく */
.chat-intro-avatar.is-active {
  background: var(--gradient);
  border-color: transparent;
  color: #fff;
}
.chat-input-row.is-disabled { opacity: 0.45; pointer-events: none; }
.chat-suggestions.is-disabled { opacity: 0.45; pointer-events: none; }
.chat-msg.user {
  align-self: flex-end;
  background: rgba(228, 235, 255, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(var(--accent-rgb), 0.35);
  border-bottom-right-radius: 4px;
  color: var(--heading);
}
.chat-msg.typing { display: flex; gap: 5px; padding: 15px 18px; }
.chat-msg.typing i {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--text-dim);
  animation: typingDot 1.2s infinite;
}
.chat-msg.typing i:nth-child(2) { animation-delay: 0.15s; }
.chat-msg.typing i:nth-child(3) { animation-delay: 0.3s; }
@keyframes typingDot {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
  30% { transform: translateY(-5px); opacity: 1; }
}
.chat-suggestions {
  display: flex; flex-wrap: wrap; gap: 8px;
  align-content: flex-start;
  min-height: 76px;
  flex-shrink: 0;
  padding: 12px 18px;
  border-top: 1px solid var(--border);
}
.chat-suggestions button {
  font-size: 0.72rem;
  padding: 7px 14px;
  border-radius: 100px;
  border: 1px solid rgba(var(--accent-rgb), 0.4);
  background: var(--surface);
  color: var(--accent-deep);
  cursor: pointer;
  font-family: var(--font-jp);
  transition: border-color 0.3s, color 0.3s, background 0.3s;
}
.chat-suggestions button:hover {
  border-color: var(--accent-strong);
  background: var(--tint);
  color: var(--heading);
}
.chat-input-row {
  display: flex; gap: 10px;
  padding: 14px 16px;
  border-top: 1px solid var(--border);
}
.chat-input-row input {
  flex: 1;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 11px 18px;
  color: var(--text);
  font-family: var(--font-jp);
  font-size: 0.86rem;
  outline: none;
  transition: border-color 0.3s;
}
.chat-input-row input:focus { border-color: var(--accent-strong); }
.chat-input-row button {
  width: 42px; height: 42px;
  border-radius: 50%;
  border: none;
  background: var(--gradient);
  color: #ffffff;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: transform 0.3s;
  flex-shrink: 0;
}
.chat-input-row button:hover { transform: scale(1.08); }
.chat-input-row button svg { width: 17px; height: 17px; }

@media (max-width: 480px) {
  .chat-widget { bottom: 18px; right: 18px; }
}

/* ==========================================================
   REDUCED MOTION
   ========================================================== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
}