/* =============================================
   合同会社YR — Light & Vibrant Corporate Site
   Color Palette:
     Primary:   #FF6B35 (coral-orange)
     Secondary: #00C9A7 (teal-mint)
     Accent:    #6C63FF (purple)
     BG:        #FFFFFF / #F7F9FC
     Text:      #1A1A2E / #444
   ============================================= */

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

:root {
  --primary:   #FF6B35;
  --secondary: #00C9A7;
  --purple:    #6C63FF;
  --bg:        #FFFFFF;
  --bg-alt:    #F4F7FF;
  --text:      #1A1A2E;
  --text-muted:#666;
  --border:    #E8ECF4;
  --radius:    16px;
  --shadow:    0 8px 40px rgba(108,99,255,.10);
  --shadow-lg: 0 20px 60px rgba(108,99,255,.18);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Noto Sans JP', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
}

/* ---- SCROLLBAR ---- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-alt); }
::-webkit-scrollbar-thumb { background: var(--primary); border-radius: 3px; }

/* =============================================
   HEADER
   ============================================= */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow .3s;
}
.site-header.scrolled { box-shadow: 0 4px 24px rgba(0,0,0,.08); }

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.logo-badge {
  width: 40px; height: 40px;
  background: linear-gradient(135deg, var(--primary), var(--purple));
  color: #fff;
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 1rem;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  letter-spacing: 1px;
}
.logo-name {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 700;
  font-size: .95rem;
  color: var(--text);
}

.nav-links { display: flex; align-items: center; gap: 32px; }
.nav-links a {
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: .85rem;
  letter-spacing: 1px;
  color: var(--text-muted);
  text-decoration: none;
  transition: color .2s;
}
.nav-links a:hover { color: var(--primary); }
.nav-cta {
  background: linear-gradient(135deg, var(--primary), var(--purple)) !important;
  color: #fff !important;
  padding: 10px 22px;
  border-radius: 50px;
  font-size: .82rem !important;
  transition: opacity .2s, transform .2s !important;
}
.nav-cta:hover { opacity: .88; transform: translateY(-2px); }

/* 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(--text);
  border-radius: 2px;
  transition: .3s;
}

/* mobile menu */
.mobile-menu {
  display: none;
  flex-direction: column;
  background: #fff;
  border-top: 1px solid var(--border);
  padding: 16px 24px 24px;
}
.mobile-menu.open { display: flex; }
.mobile-link {
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: .9rem;
  letter-spacing: 1px;
  color: var(--text);
  text-decoration: none;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
}
.mobile-link:last-child { border-bottom: none; }

@media (max-width: 768px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
}

/* =============================================
   HERO
   ============================================= */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: linear-gradient(135deg, #EEF2FF 0%, #FFF5F0 50%, #E8FDF8 100%);
  padding-top: 68px;
}

.hero-bg-img {
  position: absolute;
  inset: 0;
  background: url('assets/yr_hero_bg_light.jpg') center/cover no-repeat;
  opacity: .18;
  z-index: 0;
}

/* floating shapes */
.hero-shapes { position: absolute; inset: 0; pointer-events: none; z-index: 0; }
.shape {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: .35;
}
.shape-1 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, #FF6B35, transparent);
  top: -100px; right: -80px;
  animation: float1 8s ease-in-out infinite;
}
.shape-2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, #6C63FF, transparent);
  bottom: -80px; left: -60px;
  animation: float2 10s ease-in-out infinite;
}
.shape-3 {
  width: 300px; height: 300px;
  background: radial-gradient(circle, #00C9A7, transparent);
  top: 40%; right: 20%;
  animation: float1 12s ease-in-out infinite reverse;
}

@keyframes float1 {
  0%,100% { transform: translateY(0) scale(1); }
  50%      { transform: translateY(-30px) scale(1.05); }
}
@keyframes float2 {
  0%,100% { transform: translateY(0) scale(1); }
  50%      { transform: translateY(24px) scale(.96); }
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 700px;
  margin: 0 auto;
  padding: 60px 32px;
  text-align: center;
}

.hero-eyebrow {
  display: inline-block;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: .75rem;
  letter-spacing: 3px;
  color: var(--primary);
  background: rgba(255,107,53,.1);
  border: 1px solid rgba(255,107,53,.25);
  padding: 6px 18px;
  border-radius: 50px;
  margin-bottom: 28px;
}

.hero-title {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 900;
  font-size: clamp(2rem, 5vw, 3.4rem);
  line-height: 1.35;
  color: var(--text);
  margin-bottom: 20px;
}
.hero-accent {
  background: linear-gradient(90deg, var(--primary), var(--purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 1.05rem;
  color: var(--text-muted);
  margin-bottom: 36px;
  line-height: 1.8;
}

.hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 50px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: .9rem;
  letter-spacing: .5px;
  text-decoration: none;
  transition: transform .2s, box-shadow .2s, opacity .2s;
  cursor: pointer;
  border: none;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--purple) 100%);
  color: #fff;
  box-shadow: 0 8px 28px rgba(255,107,53,.35);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 14px 36px rgba(255,107,53,.45); }
.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 2px solid var(--border);
}
.btn-ghost:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-2px); }

.hero-scroll {
  position: absolute;
  bottom: 32px; left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  z-index: 1;
}
.hero-scroll span {
  font-family: 'Montserrat', sans-serif;
  font-size: .65rem;
  letter-spacing: 3px;
  color: var(--text-muted);
}
.scroll-bar {
  width: 2px; height: 40px;
  background: linear-gradient(to bottom, var(--primary), transparent);
  border-radius: 2px;
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%,100% { opacity: 1; transform: scaleY(1); }
  50%      { opacity: .4; transform: scaleY(.6); }
}

/* =============================================
   TICKER
   ============================================= */
.ticker-wrap {
  background: linear-gradient(90deg, var(--primary), var(--purple), var(--secondary));
  overflow: hidden;
  padding: 14px 0;
}
.ticker-track {
  display: flex;
  gap: 32px;
  white-space: nowrap;
  animation: ticker 28s linear infinite;
  width: max-content;
}
.ticker-track span {
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: .82rem;
  letter-spacing: 1.5px;
  color: #fff;
}
.ticker-track .sep { color: rgba(255,255,255,.5); font-size: .7rem; }
@keyframes ticker {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* =============================================
   SECTIONS
   ============================================= */
.section { padding: 100px 0; }
.section-alt { background: var(--bg-alt); }

.container { max-width: 1100px; margin: 0 auto; padding: 0 32px; }

.section-head {
  text-align: center;
  margin-bottom: 60px;
}
.section-head .label {
  display: inline-block;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: .72rem;
  letter-spacing: 3px;
  color: var(--primary);
  background: rgba(255,107,53,.08);
  border: 1px solid rgba(255,107,53,.2);
  padding: 5px 16px;
  border-radius: 50px;
  margin-bottom: 14px;
}
.section-head h2 {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 900;
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  color: var(--text);
  margin-bottom: 16px;
}
.section-head p {
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.8;
}

/* =============================================
   SERVICE CARDS
   ============================================= */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 28px;
}

.card {
  background: #fff;
  border-radius: var(--radius);
  padding: 36px 28px;
  border: 1.5px solid var(--border);
  box-shadow: var(--shadow);
  transition: transform .3s, box-shadow .3s, border-color .3s;
  position: relative;
  overflow: hidden;
}
.card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  border-radius: var(--radius) var(--radius) 0 0;
}
.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(255,107,53,.3);
}

.card-featured {
  border-color: rgba(108,99,255,.25);
  background: linear-gradient(160deg, #fff 60%, #F4F0FF 100%);
}
.card-featured::before {
  background: linear-gradient(90deg, var(--purple), var(--primary));
}

.card-icon-box {
  width: 72px; height: 72px;
  background: var(--bg-alt);
  border-radius: 18px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
  overflow: hidden;
}
.card-icon-box img { width: 52px; height: 52px; object-fit: contain; }

.card h3 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--text);
  margin-bottom: 12px;
}
.card p {
  color: var(--text-muted);
  font-size: .92rem;
  line-height: 1.8;
  margin-bottom: 20px;
}
.tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tags span {
  font-size: .75rem;
  font-weight: 600;
  color: var(--primary);
  background: rgba(255,107,53,.08);
  border: 1px solid rgba(255,107,53,.2);
  padding: 4px 12px;
  border-radius: 50px;
}
.card-featured .tags span {
  color: var(--purple);
  background: rgba(108,99,255,.08);
  border-color: rgba(108,99,255,.2);
}

/* =============================================
   COMPANY
   ============================================= */
.company-wrap {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 48px;
  align-items: start;
}
@media (max-width: 768px) {
  .company-wrap { grid-template-columns: 1fr; }
}

.company-left { text-align: center; }

.emblem {
  width: 140px; height: 140px;
  background: linear-gradient(135deg, var(--primary), var(--purple));
  border-radius: 32px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  box-shadow: 0 16px 48px rgba(255,107,53,.3);
}
.emblem-yr {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 2.8rem;
  color: #fff;
  line-height: 1;
}
.emblem-sub {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: .7rem;
  color: rgba(255,255,255,.8);
  letter-spacing: 2px;
  margin-top: 4px;
}

.company-quote {
  font-size: .95rem;
  color: var(--text-muted);
  line-height: 1.9;
  border-left: 3px solid var(--primary);
  padding-left: 16px;
  text-align: left;
  font-style: italic;
  margin-top: 8px;
}

.info-table {
  width: 100%;
  border-collapse: collapse;
}
.info-table tr { border-bottom: 1px solid var(--border); }
.info-table tr:last-child { border-bottom: none; }
.info-table th {
  width: 130px;
  padding: 18px 16px 18px 0;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: .8rem;
  letter-spacing: 1px;
  color: var(--primary);
  vertical-align: top;
  white-space: nowrap;
}
.info-table td {
  padding: 18px 0;
  font-size: .93rem;
  color: var(--text);
  line-height: 1.7;
}

/* =============================================
   CONTACT
   ============================================= */
.section-contact {
  background: linear-gradient(135deg, #FFF5F0 0%, #EEF2FF 50%, #E8FDF8 100%);
  position: relative;
  overflow: hidden;
}
.section-contact::before {
  content: '';
  position: absolute;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(255,107,53,.12), transparent);
  top: -200px; right: -200px;
  border-radius: 50%;
  pointer-events: none;
}

.contact-card {
  max-width: 560px;
  margin: 0 auto;
  background: #fff;
  border-radius: 24px;
  padding: 48px 40px;
  text-align: center;
  box-shadow: var(--shadow-lg);
  border: 1.5px solid rgba(255,107,53,.15);
}

.contact-email-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: linear-gradient(135deg, var(--primary), var(--purple));
  color: #fff;
  text-decoration: none;
  padding: 18px 40px;
  border-radius: 50px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  box-shadow: 0 10px 32px rgba(255,107,53,.35);
  transition: transform .2s, box-shadow .2s;
  margin-bottom: 20px;
}
.contact-email-btn:hover { transform: translateY(-4px); box-shadow: 0 18px 44px rgba(255,107,53,.45); }
.email-icon { font-size: 1.2rem; }

.contact-note {
  font-size: .85rem;
  color: var(--text-muted);
}

/* =============================================
   FOOTER
   ============================================= */
.site-footer {
  background: var(--text);
  padding: 48px 32px;
}
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}
.footer-logo { display: flex; align-items: center; gap: 10px; }
.footer-logo .logo-badge {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, var(--primary), var(--purple));
  color: #fff;
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: .9rem;
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
}
.footer-logo .logo-name {
  color: rgba(255,255,255,.9);
  font-weight: 700;
  font-size: .9rem;
}
.footer-nav { display: flex; gap: 28px; }
.footer-nav a {
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: .78rem;
  letter-spacing: 1px;
  color: rgba(255,255,255,.5);
  text-decoration: none;
  transition: color .2s;
}
.footer-nav a:hover { color: var(--primary); }
.footer-copy {
  font-size: .78rem;
  color: rgba(255,255,255,.3);
  letter-spacing: .5px;
}

/* =============================================
   ANIMATIONS
   ============================================= */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .7s ease, transform .7s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 600px) {
  .hero-content { padding: 40px 20px; }
  .hero-title { font-size: 1.9rem; }
  .section { padding: 70px 0; }
  .container { padding: 0 20px; }
  .cards { grid-template-columns: 1fr; }
  .contact-card { padding: 32px 20px; }
  .contact-email-btn { font-size: .85rem; padding: 16px 28px; }
}