1 files changed, 323 insertions, 0 deletions
diff --git a/frontend/src/styles/pc98.css b/frontend/src/styles/pc98.css
index 7ec0d1c..e591cdc 100644
--- a/frontend/src/styles/pc98.css
+++ b/frontend/src/styles/pc98.css
@@ -4680,3 +4680,326 @@ button:focus-visible {
 .capacity-fill.high { background: #ffcc66; }
 .capacity-fill.full { background: #ff4466; }
 .refresh-indicator { font-size: 11px; color: rgba(255, 255, 255, 0.3); margin-left: auto; }
+
+/* ================== Professional Landing Page ================== */
+
+/* ── Header ── */
+
+.pro-header {
+  position: fixed;
+  top: 0;
+  left: 0;
+  right: 0;
+  z-index: 100;
+  backdrop-filter: blur(12px);
+  -webkit-backdrop-filter: blur(12px);
+  background: rgba(10, 14, 28, 0.85);
+  border-bottom: 1px solid rgba(0, 200, 255, 0.15);
+}
+
+.pro-header-content {
+  max-width: 1100px;
+  margin: 0 auto;
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  padding: 0.6rem 1.5rem;
+}
+
+.pro-header-left {
+  display: flex;
+  align-items: center;
+  gap: 0.65rem;
+}
+
+.pro-crane-logo {
+  display: block;
+}
+
+.pro-company-name {
+  font-family: var(--font-family, 'IBM Plex Mono', 'MS Gothic', monospace);
+  font-size: 1rem;
+  font-weight: 600;
+  letter-spacing: 0.18em;
+  color: #e0e8f0;
+}
+
+.pro-header-center {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+}
+
+.pro-header-nav {
+  display: flex;
+  align-items: center;
+  gap: 0.25rem;
+}
+
+.pro-nav-link {
+  background: none;
+  border: 1px solid transparent;
+  color: #8fa8c8;
+  font-family: var(--font-family, 'IBM Plex Mono', 'MS Gothic', monospace);
+  font-size: 0.8rem;
+  letter-spacing: 0.08em;
+  padding: 0.35rem 0.75rem;
+  cursor: pointer;
+  border-radius: 3px;
+  transition: color 0.2s, border-color 0.2s;
+}
+
+.pro-nav-link:hover {
+  color: #00c8ff;
+  border-color: rgba(0, 200, 255, 0.3);
+}
+
+.pro-nav-login {
+  color: #00c8ff;
+  border-color: rgba(0, 200, 255, 0.35);
+  margin-left: 0.5rem;
+}
+
+.pro-nav-login:hover {
+  background: rgba(0, 200, 255, 0.08);
+  border-color: #00c8ff;
+}
+
+/* ── Landing Container ── */
+
+.pro-landing {
+  min-height: 100vh;
+  background: #080c1a;
+  color: #c8d4e0;
+  font-family: var(--font-family, 'IBM Plex Mono', 'MS Gothic', monospace);
+  overflow-x: hidden;
+}
+
+/* ── Hero ── */
+
+.pro-hero {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  min-height: 100vh;
+  padding: 6rem 1.5rem 4rem;
+  text-align: center;
+  position: relative;
+}
+
+.pro-hero::before {
+  content: '';
+  position: absolute;
+  inset: 0;
+  background:
+    radial-gradient(ellipse 60% 50% at 50% 40%, rgba(0, 100, 180, 0.08) 0%, transparent 100%),
+    radial-gradient(ellipse 40% 30% at 50% 60%, rgba(0, 200, 255, 0.04) 0%, transparent 100%);
+  pointer-events: none;
+}
+
+.pro-hero-inner {
+  position: relative;
+  max-width: 700px;
+}
+
+.pro-hero-tagline-jp {
+  font-size: 0.85rem;
+  letter-spacing: 0.5em;
+  color: rgba(0, 200, 255, 0.45);
+  margin-bottom: 1.5rem;
+  text-transform: uppercase;
+}
+
+.pro-hero-headline {
+  font-size: clamp(1.8rem, 4vw, 2.8rem);
+  font-weight: 600;
+  line-height: 1.25;
+  color: #e8f0fa;
+  margin: 0 0 1.25rem;
+  letter-spacing: -0.01em;
+}
+
+.pro-hero-sub {
+  font-size: 1rem;
+  line-height: 1.7;
+  color: #8fa8c8;
+  margin: 0 auto 2.5rem;
+  max-width: 520px;
+}
+
+.pro-hero-cta {
+  display: flex;
+  gap: 1rem;
+  justify-content: center;
+  flex-wrap: wrap;
+}
+
+.pro-btn-primary,
+.pro-btn-secondary {
+  font-family: var(--font-family, 'IBM Plex Mono', 'MS Gothic', monospace);
+  font-size: 0.85rem;
+  letter-spacing: 0.06em;
+  padding: 0.65rem 1.5rem;
+  border-radius: 3px;
+  cursor: pointer;
+  transition: all 0.2s;
+}
+
+.pro-btn-primary {
+  background: rgba(0, 200, 255, 0.1);
+  color: #00c8ff;
+  border: 1px solid rgba(0, 200, 255, 0.35);
+}
+
+.pro-btn-primary:hover {
+  background: rgba(0, 200, 255, 0.18);
+  border-color: #00c8ff;
+}
+
+.pro-btn-secondary {
+  background: transparent;
+  color: #8fa8c8;
+  border: 1px solid rgba(140, 170, 200, 0.25);
+}
+
+.pro-btn-secondary:hover {
+  color: #e0e8f0;
+  border-color: rgba(140, 170, 200, 0.5);
+}
+
+.pro-btn-icon {
+  margin-right: 0.35rem;
+  font-size: 0.75rem;
+}
+
+/* ── Content Grid ── */
+
+.pro-content-grid {
+  max-width: 1100px;
+  margin: 0 auto;
+  padding: 0 1.5rem 5rem;
+  display: grid;
+  grid-template-columns: repeat(auto-fit, minmax(min(100%, 440px), 1fr));
+  gap: 2rem;
+}
+
+.pro-card {
+  background: rgba(12, 18, 36, 0.7);
+  border: 1px solid rgba(0, 200, 255, 0.12);
+  border-radius: 4px;
+  overflow: hidden;
+  scroll-margin-top: 5rem;
+  transition: border-color 0.3s ease, box-shadow 0.3s ease;
+}
+
+.pro-card:hover {
+  border-color: rgba(0, 200, 255, 0.28);
+  box-shadow: 0 0 20px rgba(0, 200, 255, 0.06);
+}
+
+.pro-card-header {
+  padding: 1.25rem 1.5rem 0.75rem;
+  display: flex;
+  align-items: center;
+  gap: 0.75rem;
+  flex-wrap: wrap;
+}
+
+.pro-card-title {
+  font-size: 1.1rem;
+  font-weight: 600;
+  letter-spacing: 0.12em;
+  color: #e0e8f0;
+  margin: 0;
+  text-transform: uppercase;
+}
+
+.pro-card-badge {
+  font-size: 0.65rem;
+  letter-spacing: 0.1em;
+  text-transform: uppercase;
+  padding: 0.2rem 0.5rem;
+  background: rgba(0, 200, 255, 0.1);
+  border: 1px solid rgba(0, 200, 255, 0.25);
+  border-radius: 2px;
+  color: #00c8ff;
+}
+
+.pro-card-accent {
+  flex: 1;
+  height: 1px;
+  background: linear-gradient(90deg, rgba(0, 200, 255, 0.3), transparent);
+}
+
+.pro-card-body {
+  padding: 0.75rem 1.5rem 1.5rem;
+}
+
+.pro-card-subtitle {
+  font-size: 0.95rem;
+  font-weight: 500;
+  color: #c0d0e0;
+  margin: 0 0 0.75rem;
+  line-height: 1.5;
+}
+
+.pro-card-text {
+  font-size: 0.85rem;
+  line-height: 1.7;
+  color: #7a90a8;
+  margin: 0 0 0.6rem;
+}
+
+.pro-card-text:last-child {
+  margin-bottom: 0;
+}
+
+.pro-makima-logo {
+  display: block;
+  width: 64px;
+  height: 64px;
+  margin-bottom: 1rem;
+  opacity: 0.75;
+}
+
+/* ── Footer ── */
+
+.pro-footer {
+  border-top: 1px solid rgba(0, 200, 255, 0.1);
+  padding: 1.5rem;
+  text-align: center;
+}
+
+.pro-footer-inner {
+  font-size: 0.75rem;
+  color: #4a6080;
+  letter-spacing: 0.08em;
+}
+
+.pro-footer-brand {
+  letter-spacing: 0.18em;
+  color: #5a7898;
+}
+
+.pro-footer-sep {
+  margin: 0 0.5rem;
+  opacity: 0.4;
+}
+
+.pro-footer-text {
+  color: #4a6080;
+}
+
+/* ── Shared transitions ── */
+
+.pro-landing.hidden,
+.pro-header.hidden {
+  opacity: 0;
+  pointer-events: none;
+}
+
+.pro-landing.fade-in,
+.pro-header.fade-in {
+  opacity: 1;
+  transition: opacity 0.8s ease;
+}