/* =====================================================
   TEMPORA CORE WEB — 株式会社テンポラコアウェブ
   Shared Stylesheet v1.0 | 2026
   ===================================================== */

@import url('https://fonts.googleapis.com/css2?family=Zen+Kaku+Gothic+New:wght@300;400;500;700;900&family=Exo+2:ital,wght@0,100;0,200;0,300;0,400;0,500;0,600;0,700;1,300&family=Share+Tech+Mono&display=swap');

:root {
  --navy-deep:   #04071a;
  --navy:        #070c22;
  --navy-2:      #0a1030;
  --navy-3:      #0e1640;
  --navy-4:      #122050;
  --white:       #ffffff;
  --white-soft:  #dce8f8;
  --silver:      #7a93b8;
  --silver-l:    #a8bcd8;
  --cyan:        #00d4ff;
  --cyan-dim:    #0099bb;
  --cyan-glow:   rgba(0,212,255,0.18);
  --cyan-glow2:  rgba(0,212,255,0.07);
  --transition:  cubic-bezier(0.4, 0, 0.2, 1);
  --font-jp:     'Zen Kaku Gothic New', 'Noto Sans JP', sans-serif;
  --font-en:     'Exo 2', sans-serif;
  --font-mono:   'Share Tech Mono', monospace;
  --header-h:    72px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-jp);
  background: var(--navy-deep);
  color: var(--white-soft);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

.page-transition {
  position: fixed; inset: 0;
  background: var(--navy-deep);
  z-index: 9999; pointer-events: none;
  animation: pageReveal 0.8s var(--transition) forwards;
}
@keyframes pageReveal { 0% { opacity:1; } 100% { opacity:0; pointer-events:none; } }

::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--navy); }
::-webkit-scrollbar-thumb { background: var(--cyan-dim); border-radius: 2px; }

/* ── Header ── */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  height: var(--header-h);
  display: flex; align-items: center;
  padding: 0 clamp(20px,4vw,60px);
  background: rgba(4,7,26,0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0,212,255,0.1);
  transition: background 0.4s, box-shadow 0.4s;
}
.site-header.scrolled { background: rgba(4,7,26,0.97); box-shadow: 0 4px 30px rgba(0,0,0,0.5); }

.nav-container {
  width: 100%; max-width: 1400px; margin: 0 auto;
  display: flex; align-items: center; gap: 40px;
}
.logo { display: flex; align-items: center; gap: 14px; flex-shrink: 0; }
.logo-svg { width: 48px; height: 48px; }
.logo-text { display: flex; flex-direction: column; line-height: 1.2; }
.logo-en { font-family: var(--font-en); font-weight: 600; font-size: 0.85rem; letter-spacing: 0.2em; color: var(--white); }
.logo-jp { font-size: 0.58rem; font-weight: 300; color: var(--silver); letter-spacing: 0.05em; }

.nav-menu { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.nav-menu li a {
  font-size: 0.78rem; font-weight: 400; letter-spacing: 0.08em;
  padding: 8px 14px; border-radius: 4px; color: var(--silver-l);
  transition: color 0.3s, background 0.3s; position: relative;
}
.nav-menu li a::after {
  content:''; position:absolute; bottom:4px; left:14px; right:14px;
  height:1px; background:var(--cyan);
  transform:scaleX(0); transition:transform 0.3s; transform-origin:left;
}
.nav-menu li a:hover { color: var(--white); }
.nav-menu li a:hover::after { transform: scaleX(1); }
.nav-menu li a.active { color: var(--cyan); }
.nav-menu li a.nav-cta {
  background: var(--cyan-glow); border: 1px solid rgba(0,212,255,0.35);
  color: var(--cyan); border-radius: 4px; padding: 7px 18px;
}
.nav-menu li a.nav-cta:hover { background: rgba(0,212,255,0.25); }
.nav-menu li a.nav-cta::after { display: none; }

.menu-toggle { display:none; flex-direction:column; gap:5px; width:30px; padding:4px; margin-left:auto; }
.menu-toggle span { display:block; height:1.5px; border-radius:2px; background:var(--silver-l); transition:transform 0.3s,opacity 0.3s; }
.menu-toggle span:nth-child(2) { width:70%; }
.menu-toggle.open span:nth-child(1) { transform:translateY(6.5px) rotate(45deg); }
.menu-toggle.open span:nth-child(2) { opacity:0; }
.menu-toggle.open span:nth-child(3) { transform:translateY(-6.5px) rotate(-45deg); }

main { padding-top: var(--header-h); }

/* ── Hero ── */
.hero {
  position:relative; overflow:hidden;
  min-height: calc(100vh - var(--header-h));
  display:flex; align-items:center;
  padding: clamp(60px,10vh,120px) clamp(20px,4vw,60px);
}
.hero-bg {
  position:absolute; inset:0; z-index:0;
  background: radial-gradient(ellipse 80% 60% at 70% 50%, rgba(0,80,140,0.25) 0%, transparent 70%),
              radial-gradient(ellipse 40% 40% at 20% 80%, rgba(0,212,255,0.08) 0%, transparent 60%),
              var(--navy-deep);
}
.hero-grid {
  position:absolute; inset:0; z-index:0;
  background-image: linear-gradient(rgba(0,212,255,0.04) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(0,212,255,0.04) 1px, transparent 1px);
  background-size:60px 60px;
  animation: gridShift 20s linear infinite;
}
@keyframes gridShift { 0%{background-position:0 0;} 100%{background-position:60px 60px;} }
.hero-content { position:relative; z-index:1; max-width:1400px; margin:0 auto; width:100%; }
.hero-eyebrow {
  font-family:var(--font-mono); font-size:0.75rem;
  color:var(--cyan); letter-spacing:0.25em; margin-bottom:24px;
  display:flex; align-items:center; gap:12px;
}
.hero-eyebrow::before { content:''; width:30px; height:1px; background:var(--cyan); }
.hero h1 { font-size:clamp(2rem,5vw,4rem); font-weight:700; line-height:1.2; color:var(--white); margin-bottom:20px; }
.hero h1 .accent { color: var(--cyan); }
.hero p { font-size:clamp(0.95rem,1.5vw,1.1rem); color:var(--silver-l); max-width:540px; margin-bottom:40px; line-height:1.8; }
.hero-actions { display:flex; gap:16px; flex-wrap:wrap; }

/* ── Buttons ── */
.btn-primary {
  font-family:var(--font-en); font-weight:500; font-size:0.85rem; letter-spacing:0.12em;
  padding:14px 32px; background:var(--cyan); color:var(--navy-deep); border-radius:4px;
  transition:background 0.3s, box-shadow 0.3s, transform 0.2s;
}
.btn-primary:hover { background:#20e0ff; box-shadow:0 0 30px rgba(0,212,255,0.4); transform:translateY(-1px); }
.btn-outline {
  font-family:var(--font-en); font-weight:400; font-size:0.85rem; letter-spacing:0.12em;
  padding:13px 32px; border:1px solid rgba(0,212,255,0.4); color:var(--cyan); border-radius:4px;
  transition:background 0.3s, border-color 0.3s, transform 0.2s;
}
.btn-outline:hover { background:var(--cyan-glow); border-color:var(--cyan); transform:translateY(-1px); }

/* ── Sections ── */
section { padding: clamp(60px,8vw,120px) clamp(20px,4vw,60px); }
.section-inner { max-width:1400px; margin:0 auto; }
.section-label { font-family:var(--font-mono); font-size:0.7rem; color:var(--cyan); letter-spacing:0.3em; text-transform:uppercase; margin-bottom:16px; }
.section-title { font-size:clamp(1.6rem,3vw,2.6rem); font-weight:700; color:var(--white); margin-bottom:16px; line-height:1.25; }
.section-subtitle { font-size:clamp(0.9rem,1.4vw,1rem); color:var(--silver); max-width:580px; line-height:1.8; margin-bottom:60px; }
.section-alt { background: rgba(10,16,48,0.4); }

/* ── Cards ── */
.grid-3 { display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
.grid-4 { display:grid; grid-template-columns:repeat(4,1fr); gap:20px; }
.grid-2 { display:grid; grid-template-columns:repeat(2,1fr); gap:32px; }
.card {
  background:rgba(14,22,64,0.5); border:1px solid rgba(0,212,255,0.1);
  border-radius:8px; padding:36px 28px;
  transition:border-color 0.3s, transform 0.3s, box-shadow 0.3s;
  position:relative; overflow:hidden;
}
.card::before {
  content:''; position:absolute; top:0; left:0; right:0; height:2px;
  background:linear-gradient(90deg, transparent, var(--cyan), transparent);
  opacity:0; transition:opacity 0.4s;
}
.card:hover { border-color:rgba(0,212,255,0.3); transform:translateY(-4px); box-shadow:0 20px 60px rgba(0,0,0,0.4); }
.card:hover::before { opacity:1; }
.card-icon { width:52px; height:52px; margin-bottom:20px; color:var(--cyan); }
.card-num { font-family:var(--font-mono); font-size:0.7rem; color:var(--cyan-dim); letter-spacing:0.2em; margin-bottom:12px; }
.card h3 { font-size:1.05rem; font-weight:700; color:var(--white); margin-bottom:12px; }
.card p { font-size:0.88rem; color:var(--silver); line-height:1.8; }

/* ── Stats ── */
.stats-row {
  display:grid; grid-template-columns:repeat(4,1fr);
  gap:1px; background:rgba(0,212,255,0.1);
  border:1px solid rgba(0,212,255,0.1); border-radius:8px;
  overflow:hidden;
}
.stat-item { background:rgba(7,12,34,0.8); padding:40px 30px; text-align:center; }
.stat-num { font-family:var(--font-en); font-weight:700; font-size:clamp(2rem,4vw,3.2rem); color:var(--cyan); line-height:1; margin-bottom:8px; }
.stat-label { font-size:0.8rem; color:var(--silver); letter-spacing:0.05em; }

/* ── Page hero ── */
.page-hero {
  background:linear-gradient(135deg, var(--navy-2) 0%, var(--navy-3) 100%);
  padding:clamp(60px,8vh,100px) clamp(20px,4vw,60px) clamp(40px,6vh,80px);
  position:relative; overflow:hidden;
  border-bottom:1px solid rgba(0,212,255,0.1);
}
.page-hero-bg {
  position:absolute; inset:0;
  background:radial-gradient(ellipse 60% 80% at 90% 50%, rgba(0,150,255,0.12) 0%, transparent 70%);
  pointer-events:none;
}
.page-hero .inner { max-width:1400px; margin:0 auto; position:relative; z-index:1; }
.page-hero .breadcrumb { font-family:var(--font-mono); font-size:0.7rem; color:var(--silver); letter-spacing:0.2em; margin-bottom:20px; }
.page-hero .breadcrumb a { color:var(--cyan); }
.page-hero h1 { font-size:clamp(1.8rem,4vw,3.2rem); font-weight:700; color:var(--white); margin-bottom:16px; }
.page-hero .lead { font-size:clamp(0.9rem,1.4vw,1.05rem); color:var(--silver-l); max-width:580px; line-height:1.8; }

/* ── Misc ── */
.tag { display:inline-block; font-family:var(--font-mono); font-size:0.65rem; letter-spacing:0.15em; padding:4px 12px; border-radius:2px; background:rgba(0,212,255,0.1); border:1px solid rgba(0,212,255,0.25); color:var(--cyan); }
.tag-row { display:flex; gap:8px; flex-wrap:wrap; margin-bottom:20px; }
.feature-list { list-style:none; }
.feature-list li { display:flex; align-items:flex-start; gap:14px; padding:16px 0; border-bottom:1px solid rgba(0,212,255,0.07); font-size:0.92rem; color:var(--silver-l); }
.feature-list li::before { content:'▸'; color:var(--cyan); font-size:0.75rem; margin-top:3px; flex-shrink:0; }
.glow-box { border:1px solid rgba(0,212,255,0.2); border-radius:8px; background:rgba(0,212,255,0.04); padding:40px; position:relative; }
.two-col { display:grid; grid-template-columns:1fr 1fr; gap:clamp(40px,6vw,100px); align-items:center; }
.divider { border:none; border-top:1px solid rgba(0,212,255,0.1); margin:0; }

/* ── Timeline ── */
.timeline { position:relative; padding-left:32px; }
.timeline::before { content:''; position:absolute; left:0; top:8px; bottom:8px; width:1px; background:rgba(0,212,255,0.2); }
.timeline-item { position:relative; margin-bottom:48px; }
.timeline-item::before { content:''; position:absolute; left:-36px; top:6px; width:10px; height:10px; border-radius:50%; background:var(--cyan); box-shadow:0 0 10px rgba(0,212,255,0.6); }
.timeline-item .year { font-family:var(--font-mono); font-size:0.75rem; color:var(--cyan); letter-spacing:0.15em; margin-bottom:8px; }
.timeline-item h4 { font-size:1rem; font-weight:700; color:var(--white); margin-bottom:8px; }
.timeline-item p { font-size:0.88rem; color:var(--silver); line-height:1.7; }

/* ── Form ── */
.form-group { margin-bottom:24px; }
.form-group label { display:block; font-size:0.8rem; color:var(--silver); letter-spacing:0.08em; margin-bottom:8px; }
.form-group input, .form-group textarea, .form-group select {
  width:100%; padding:12px 16px;
  background:rgba(14,22,64,0.6); border:1px solid rgba(0,212,255,0.2);
  border-radius:4px; color:var(--white);
  font-family:var(--font-jp); font-size:0.9rem;
  transition:border-color 0.3s, box-shadow 0.3s; outline:none;
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
  border-color:var(--cyan); box-shadow:0 0 0 3px rgba(0,212,255,0.12);
}
.form-group textarea { resize:vertical; min-height:140px; }
.form-group select option { background:var(--navy-3); }

/* ── Notification ── */
.notification {
  position:fixed; bottom:30px; right:30px;
  background:rgba(10,22,60,0.95); border:1px solid rgba(0,212,255,0.4);
  border-radius:8px; padding:20px 24px;
  z-index:9998; max-width:340px;
  transform:translateY(20px); opacity:0;
  transition:transform 0.4s, opacity 0.4s;
  backdrop-filter:blur(16px);
}
.notification.show { transform:translateY(0); opacity:1; }
.notification-title { font-family:var(--font-en); font-size:0.85rem; font-weight:600; color:var(--cyan); margin-bottom:6px; }
.notification-msg { font-size:0.82rem; color:var(--silver-l); }
.notification-close { position:absolute; top:10px; right:14px; color:var(--silver); font-size:1rem; cursor:pointer; }

/* ── Footer ── */
.site-footer {
  background:rgba(4,7,20,0.98);
  border-top:1px solid rgba(0,212,255,0.1);
  padding:clamp(60px,6vw,100px) clamp(20px,4vw,60px) 0;
}
.footer-grid {
  max-width:1400px; margin:0 auto;
  display:grid; grid-template-columns:2fr 1fr 1fr 1.5fr;
  gap:60px; padding-bottom:60px;
}
.footer-brand p { font-size:0.85rem; color:var(--silver); line-height:1.8; max-width:280px; margin-top:16px; }
.footer-col h4 { font-family:var(--font-en); font-size:0.7rem; letter-spacing:0.25em; color:var(--silver); text-transform:uppercase; margin-bottom:20px; padding-bottom:10px; border-bottom:1px solid rgba(0,212,255,0.15); }
.footer-col ul li { margin-bottom:10px; }
.footer-col ul li a { font-size:0.85rem; color:var(--silver); transition:color 0.3s; display:inline-flex; align-items:center; gap:6px; }
.footer-col ul li a::before { content:'→'; font-size:0.7rem; color:var(--cyan-dim); }
.footer-col ul li a:hover { color:var(--cyan); }
.footer-contact-info p { font-size:0.82rem; color:var(--silver); line-height:1.8; margin-bottom:12px; }
.footer-contact-info a { color:var(--cyan-dim); }
.footer-bottom {
  max-width:1400px; margin:0 auto; border-top:1px solid rgba(0,212,255,0.08);
  padding:24px 0; display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:12px;
}
.footer-bottom p { font-size:0.75rem; color:var(--silver); letter-spacing:0.05em; }
.footer-links-bottom { display:flex; gap:24px; }
.footer-links-bottom a { font-size:0.75rem; color:var(--silver); transition:color 0.3s; }
.footer-links-bottom a:hover { color:var(--cyan); }

/* ── Scroll reveal ── */
.reveal { opacity:0; transform:translateY(28px); transition:opacity 0.7s, transform 0.7s; }
.reveal.visible { opacity:1; transform:translateY(0); }
.reveal-delay-1 { transition-delay:0.1s; }
.reveal-delay-2 { transition-delay:0.2s; }
.reveal-delay-3 { transition-delay:0.3s; }
.reveal-delay-4 { transition-delay:0.4s; }

/* ── Responsive ── */
@media (max-width:1100px) {
  .grid-4 { grid-template-columns:repeat(2,1fr); }
  .footer-grid { grid-template-columns:1fr 1fr; gap:40px; }
  .stats-row { grid-template-columns:repeat(2,1fr); }
}
@media (max-width:900px) {
  .grid-3 { grid-template-columns:repeat(2,1fr); }
  .two-col { grid-template-columns:1fr; }
}
@media (max-width:768px) {
  .menu-toggle { display:flex; }
  .nav-menu {
    position:fixed; inset:var(--header-h) 0 0 0;
    background:rgba(4,7,26,0.98); backdrop-filter:blur(20px);
    flex-direction:column; justify-content:center; align-items:center;
    gap:8px; padding:40px 20px;
    transform:translateX(100%);
    transition:transform 0.4s;
    margin-left:0;
  }
  .nav-menu.open { transform:translateX(0); }
  .nav-menu li a { font-size:1rem; padding:12px 24px; }
  .grid-3 { grid-template-columns:1fr; }
  .grid-2 { grid-template-columns:1fr; }
  .footer-grid { grid-template-columns:1fr; gap:32px; }
}
@media (max-width:480px) {
  .stats-row { grid-template-columns:1fr; }
  .grid-4 { grid-template-columns:1fr; }
  .footer-bottom { flex-direction:column; text-align:center; }
}