/* ===========================================
   KANRI — Company Website Styles
   =========================================== */

:root {
  --blue:        #1B50A8;
  --blue-dark:   #0F3075;
  --blue-glow:   rgba(27, 80, 168, 0.35);
  --blue-light:  #60A5FA;
  --dark:        #0A1628;
  --dark-card:   #0F1E33;
  --dark-border: rgba(255, 255, 255, 0.08);
  --white:       #FFFFFF;
  --light:       #F8FAFC;
  --text:        #1E293B;
  --text-mid:    #475569;
  --text-muted:  #94A3B8;
  --header-h:    72px;
  --ease:        0.3s ease;
  --radius:      4px;
  --container:   1140px;
}

/* ───────────────────────────────────────────
   RESET & BASE
─────────────────────────────────────────── */

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: 'Noto Sans JP', sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a   { text-decoration: none; color: inherit; transition: color var(--ease); }
ul  { list-style: none; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ───────────────────────────────────────────
   BUTTONS
─────────────────────────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  padding: 14px 32px;
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: all var(--ease);
}

.btn-primary {
  background: var(--blue);
  color: var(--white);
}
.btn-primary:hover {
  background: var(--blue-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px var(--blue-glow);
}

.btn-ghost {
  background: transparent;
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.35);
}
.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.7);
}

.btn-lg { padding: 18px 48px; font-size: 0.95rem; }

/* ───────────────────────────────────────────
   HEADER
─────────────────────────────────────────── */

.header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--header-h);
  transition: background var(--ease), box-shadow var(--ease);
}

.header.scrolled {
  background: var(--white);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.08);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
}

/* Logo switching: white on hero, blue when scrolled */
.nav-logo { display: flex; align-items: center; }
.logo { display: flex; align-items: center; height: 34px; }
.logo-img { height: 34px; width: auto; display: block; }

.logo-white { display: block; }
.logo-blue  { display: none;  }

.header.scrolled .logo-white { display: none;  }
.header.scrolled .logo-blue  { display: block; }

/* Nav links */
.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.85);
  letter-spacing: 0.04em;
}
.nav-links a:hover { color: var(--white); }

.header.scrolled .nav-links a        { color: var(--text); }
.header.scrolled .nav-links a:hover  { color: var(--blue); }

.nav-cta {
  padding: 10px 22px;
  background: var(--blue);
  color: var(--white) !important;
  border-radius: var(--radius);
}
.nav-cta:hover        { background: var(--blue-dark) !important; }
.header.scrolled .nav-cta { color: var(--white) !important; }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all var(--ease);
}
.header.scrolled .hamburger span { background: var(--text); }

.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile menu */
.mobile-menu {
  display: none;
  position: absolute;
  top: var(--header-h);
  left: 0;
  right: 0;
  background: var(--white);
  border-top: 1px solid rgba(0, 0, 0, 0.06);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12);
}
.mobile-menu.open { display: block; }

.mobile-link {
  display: block;
  padding: 15px 24px;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}
.mobile-link:last-child { border-bottom: none; }

/* ───────────────────────────────────────────
   HERO
─────────────────────────────────────────── */

.hero {
  position: relative;
  height: 100vh;
  min-height: 640px;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transform: scale(1.06);
  transition: transform 10s ease;
}
.hero.loaded .hero-bg { transform: scale(1); }

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    120deg,
    rgba(8, 18, 34, 0.90) 0%,
    rgba(8, 18, 34, 0.65) 55%,
    rgba(8, 18, 34, 0.40) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 1;
  padding-top: var(--header-h);
  max-width: 720px;
}

.hero-eyebrow {
  font-family: 'Inter', sans-serif;
  font-size: 0.78rem;
  font-weight: 400;
  letter-spacing: 0.22em;
  color: rgba(255, 255, 255, 0.55);
  text-transform: uppercase;
  margin-bottom: 20px;
}

.hero-title {
  font-size: clamp(1.2rem, 2.8vw, 2rem);
  font-weight: 900;
  color: var(--white);
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin-bottom: 16px;
  white-space: nowrap;
}

.hero-em {
  font-style: normal;
  color: var(--blue-light);
}

.hero-sub {
  font-size: clamp(0.78rem, 1.3vw, 0.9rem);
  font-weight: 400;
  color: rgba(255, 255, 255, 0.92);
  line-height: 1.9;
  margin-bottom: 12px;
  text-shadow: 0 1px 6px rgba(0, 0, 0, 0.5);
}
.hero-sub-last { margin-bottom: 32px; }

.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }

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

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.scroll-dot {
  width: 5px;
  height: 5px;
  background: rgba(255, 255, 255, 0.5);
  border-radius: 50%;
}

.scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.5), transparent);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 0.35; transform: scaleY(0.85); }
  50%       { opacity: 1;    transform: scaleY(1);    }
}

/* ───────────────────────────────────────────
   SECTIONS — common
─────────────────────────────────────────── */

.section       { padding: 100px 0; }
.section-light { background: var(--white); }
.section-dark  { background: var(--dark);  }

/* Section header */
.section-header { text-align: center; margin-bottom: 64px; }

.label {
  display: inline-block;
  font-family: 'Inter', sans-serif;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 10px;
}
.section-dark .label { color: var(--blue-light); }

.section-header h2 {
  font-size: clamp(1.7rem, 3vw, 2.2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
  display: inline-block;
  position: relative;
  padding-bottom: 20px;
}
.section-dark .section-header h2 { color: var(--white); }

.section-header h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 36px;
  height: 2px;
  background: var(--blue);
}
.section-dark .section-header h2::after { background: var(--blue-light); }

/* ───────────────────────────────────────────
   PHILOSOPHY — Mission / Vision / Value
─────────────────────────────────────────── */

.mvv { display: flex; flex-direction: column; position: relative; }

.mvv-bg-mark {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 560px;
  opacity: 0.07;
  pointer-events: none;
  user-select: none;
}
.mvv-bg-mark img { width: 100%; }
@media (max-width: 768px) {
  .mvv-bg-mark { display: none; }
}
.mvv-bg-mark img { width: 100%; }

.mvv-item {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 64px;
  padding: 60px 0;
  border-top: 1px solid rgba(0, 0, 0, 0.08);
  align-items: start;
}
.mvv-item:last-child { border-bottom: 1px solid rgba(0, 0, 0, 0.08); }

.mvv-label { padding-top: 6px; }

.mvv-en {
  font-family: 'Inter', sans-serif;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.28em;
  color: var(--blue);
  text-transform: uppercase;
}

.mvv-heading {
  font-size: clamp(1.5rem, 2.6vw, 2rem);
  font-weight: 700;
  line-height: 1.35;
  color: var(--text);
  margin-bottom: 20px;
  letter-spacing: -0.01em;
}

.mvv-text {
  font-size: 0.92rem;
  color: var(--text-mid);
  line-height: 2;
  max-width: 560px;
}

/* stagger delays */
.mvv-item:nth-child(2) { transition-delay: 0.1s; }
.mvv-item:nth-child(3) { transition-delay: 0.2s; }

@media (max-width: 768px) {
  .mvv-item {
    grid-template-columns: 1fr;
    gap: 16px;
    padding: 40px 0;
  }
}

/* Gecko story block */
.gecko-story {
  margin-bottom: 64px;
  padding: 56px 64px;
  background: var(--light);
  border-radius: var(--radius);
  border-left: 3px solid var(--blue);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 28px;
}

.gecko-icon img {
  height: 40px;
  width: auto;
  opacity: 0.75;
}

.gecko-text {
  font-size: clamp(1rem, 1.8vw, 1.15rem);
  font-weight: 400;
  color: var(--text-mid);
  line-height: 2.1;
  letter-spacing: 0.01em;
}

/* ───────────────────────────────────────────
   SERVICES
─────────────────────────────────────────── */

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.service-card {
  padding: 36px 32px;
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius);
  transition: transform var(--ease), border-color var(--ease);
}
.service-card:hover {
  transform: translateY(-4px);
  border-color: rgba(27, 80, 168, 0.5);
}

.service-num {
  font-family: 'Inter', sans-serif;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--blue-light);
  margin-bottom: 16px;
}

.service-icon {
  width: 44px;
  height: 44px;
  color: var(--blue-light);
  margin-bottom: 20px;
}
.service-icon svg { width: 100%; height: 100%; }

.service-card h3 {
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1.5;
  margin-bottom: 20px;
  min-height: 3.2em;
  display: flex;
  align-items: flex-end;
}

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

.service-list li {
  font-size: 0.88rem;
  color: var(--text-muted);
  padding-left: 16px;
  position: relative;
  line-height: 1.6;
}
.service-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 5px;
  height: 1px;
  background: var(--blue-light);
}

/* ───────────────────────────────────────────
   COMPANY
─────────────────────────────────────────── */

.company-section { position: relative; overflow: hidden; }

.company-mark {
  position: absolute;
  right: -80px;
  top: 50%;
  transform: translateY(-50%);
  width: 700px;
  opacity: 0.08;
  pointer-events: none;
  user-select: none;
}
.company-mark img { width: 100%; }

@media (max-width: 768px) {
  .company-mark { width: 360px; right: -60px; opacity: 0.06; }
}

.company-wrap {
  max-width: 800px;
  margin: 0 auto;
}

.company-table { width: 100%; border-collapse: collapse; }

.company-table tr { border-bottom: 1px solid rgba(0, 0, 0, 0.07); }
.company-table tr:first-child { border-top: 1px solid rgba(0, 0, 0, 0.07); }

.company-table th {
  width: 180px;
  padding: 20px 20px 20px 0;
  text-align: left;
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--text-mid);
  vertical-align: top;
  white-space: nowrap;
}

.company-table td {
  padding: 20px 0;
  font-size: 0.9rem;
  color: var(--text);
  line-height: 1.75;
}

.license-note {
  font-size: 0.8rem;
  color: var(--text-mid);
}

/* ───────────────────────────────────────────
   CONTACT
─────────────────────────────────────────── */

.contact-lead {
  text-align: center;
  font-size: 0.92rem;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.85;
  margin-bottom: 52px;
}

.contact-form { max-width: 720px; margin: 0 auto; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
}

.form-group label {
  font-size: 0.84rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.75);
}

.req { color: #F87171; }

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 13px 16px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  color: var(--white);
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 0.9rem;
  outline: none;
  transition: border-color var(--ease), background var(--ease);
}
.form-group input::placeholder,
.form-group textarea::placeholder {
  color: rgba(255, 255, 255, 0.25);
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--blue);
  background: rgba(27, 80, 168, 0.08);
}
.form-group textarea { resize: vertical; min-height: 140px; }

.form-submit { text-align: center; margin-top: 8px; }

/* ───────────────────────────────────────────
   FOOTER
─────────────────────────────────────────── */

.footer { background: #060E1B; padding: 64px 0 32px; }

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}

.footer-logo    { height: 30px; margin-bottom: 14px; }
.footer-tagline { font-size: 0.78rem; color: rgba(255,255,255,0.38); margin-bottom: 8px; }
.footer-addr    { font-size: 0.78rem; color: rgba(255,255,255,0.3); line-height: 1.65; }

.footer-nav ul  { display: flex; flex-direction: column; gap: 12px; }
.footer-nav a   { font-size: 0.875rem; color: rgba(255,255,255,0.45); }
.footer-nav a:hover { color: var(--white); }

.footer-bottom { padding-top: 24px; text-align: right; }
.footer-bottom p { font-size: 0.73rem; color: rgba(255,255,255,0.22); letter-spacing: 0.04em; }

/* ───────────────────────────────────────────
   SCROLL ANIMATIONS
─────────────────────────────────────────── */

.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger delay for siblings */
.value-card:nth-child(2) { transition-delay: 0.1s; }
.value-card:nth-child(3) { transition-delay: 0.2s; }
.service-card:nth-child(2) { transition-delay: 0.08s; }
.service-card:nth-child(3) { transition-delay: 0.16s; }
.service-card:nth-child(4) { transition-delay: 0.24s; }

/* ───────────────────────────────────────────
   RESPONSIVE
─────────────────────────────────────────── */

@media (max-width: 768px) {
  :root { --header-h: 64px; }

  .section { padding: 64px 0; }
  .section-header { margin-bottom: 40px; }

  /* Header */
  .nav-links  { display: none; }
  .hamburger  { display: flex; }

  /* Hero */
  .hero-title { font-size: clamp(1rem, 5vw, 1.3rem); white-space: normal; }
  .hero-sub   { font-size: 0.78rem; line-height: 1.85; }
  .hero-btns  { flex-direction: column; align-items: flex-start; }
  .hero-btns .btn { width: 100%; justify-content: center; }

  /* Gecko */
  .gecko-story { padding: 36px 24px; margin-bottom: 0; }
  .gecko-text br { display: none; }
  .gecko-text { font-size: 0.95rem; }

  /* Services */
  .services-grid { grid-template-columns: 1fr; gap: 16px; }
  .service-card  { padding: 32px 28px; }

  /* Contact */
  .form-row { grid-template-columns: 1fr; }
  .contact-lead br { display: none; }

  /* Company */
  .company-table th { width: 100px; font-size: 0.8rem; }

  /* Footer */
  .footer-inner   { flex-direction: column; gap: 28px; }
  .footer-bottom  { text-align: center; }
}

@media (max-width: 480px) {
  .company-table,
  .company-table tbody,
  .company-table tr,
  .company-table th,
  .company-table td { display: block; width: 100%; }

  .company-table tr { padding: 14px 0; }

  .company-table th {
    font-size: 0.72rem;
    color: var(--blue);
    padding: 0 0 4px;
    white-space: normal;
  }
  .company-table td { padding: 0; }
}