/* ============================================================
   Laif Corporate Site - style.css
   Brand colors: Navy #1a2e4a / Mint #5fbfb0 / White #fff / Gold #c9a84c
   ============================================================ */

/* ----- Reset & Base ----- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --navy:    #1a2e4a;
  --navy-d:  #0f1e31;
  --mint:    #5fbfb0;
  --mint-l:  #a8ddd7;
  --gold:    #c9a84c;
  --white:   #ffffff;
  --gray-l:  #f5f7fa;
  --gray:    #888;
  --text:    #2c3e50;
  --font-jp: 'Noto Sans JP', sans-serif;
  --font-en: 'Cormorant Garamond', serif;
  --radius:  12px;
  --shadow:  0 4px 24px rgba(0,0,0,0.10);
  --trans:   0.3s ease;
}

html { scroll-behavior: smooth; }
body {
  font-family: var(--font-jp);
  font-size: 16px;
  color: var(--text);
  line-height: 1.8;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; transition: color var(--trans); }
a:hover { color: var(--mint); }
ul { list-style: none; }
img { max-width: 100%; display: block; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ----- Utility ----- */
.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }
.section { padding: 96px 0; }
.section-label {
  font-family: var(--font-en);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--mint);
  margin-bottom: 12px;
  text-transform: uppercase;
}
.section-title {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 16px;
  line-height: 1.4;
}
.section-desc {
  color: var(--gray);
  max-width: 640px;
  margin-bottom: 48px;
}

/* ----- Buttons ----- */
.btn {
  display: inline-block;
  padding: 14px 36px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  transition: all var(--trans);
  cursor: pointer;
}
.btn-primary {
  background: var(--mint);
  color: var(--white);
  box-shadow: 0 4px 16px rgba(95,191,176,0.4);
}
.btn-primary:hover { background: #4da898; color: var(--white); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(95,191,176,0.5); }
.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.7);
}
.btn-outline:hover { background: rgba(255,255,255,0.1); color: var(--white); }
.btn-full { width: 100%; text-align: center; }

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 12px 0;
  transition: background var(--trans), box-shadow var(--trans);
}
.site-header.scrolled {
  background: rgba(255,255,255,0.97);
  box-shadow: 0 2px 20px rgba(0,0,0,0.08);
}
.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

/* Logo */
.header-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-img {
  width: 56px;
  height: 56px;
  object-fit: contain;
  border-radius: 50%;
  transition: transform var(--trans);
}
.header-logo:hover .logo-img { transform: scale(1.05); }
.logo-text {
  font-family: var(--font-en);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--white);
  letter-spacing: 0.05em;
  transition: color var(--trans);
}
.site-header.scrolled .logo-text { color: var(--navy); }

/* Nav */
.nav-list {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-list a {
  font-size: 0.88rem;
  font-weight: 500;
  color: rgba(255,255,255,0.9);
  position: relative;
  padding-bottom: 4px;
}
.nav-list a::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 2px;
  background: var(--mint);
  transition: width var(--trans);
}
.nav-list a:hover::after, .nav-list a.active::after { width: 100%; }
.nav-list a:hover { color: var(--white); }
.site-header.scrolled .nav-list a { color: var(--navy); }
.site-header.scrolled .nav-list a:hover { color: var(--mint); }

.nav-cta {
  background: var(--mint);
  color: var(--white) !important;
  padding: 8px 22px;
  border-radius: 50px;
  font-weight: 700 !important;
  transition: all var(--trans);
}
.nav-cta:hover { background: #4da898; transform: translateY(-1px); }
.nav-cta::after { display: none !important; }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 26px; height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all var(--trans);
}
.site-header.scrolled .hamburger span { background: var(--navy); }
.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); }

/* ============================================================
   HERO
   ============================================================ */
.hero-section {
  position: relative;
  min-height: 100vh;
  background: linear-gradient(135deg, var(--navy-d) 0%, var(--navy) 60%, #1d4a5e 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
}
#hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  pointer-events: none;
}
.hero-content {
  position: relative;
  z-index: 2;
  padding: 80px 24px 0;
}
.hero-tagline {
  font-family: var(--font-en);
  font-size: clamp(0.85rem, 1.5vw, 1rem);
  letter-spacing: 0.2em;
  color: var(--mint-l);
  margin-bottom: 20px;
}
.hero-title {
  font-size: clamp(1.8rem, 5vw, 3.4rem);
  font-weight: 700;
  color: var(--white);
  line-height: 1.4;
  margin-bottom: 16px;
}
.hero-sub {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.65);
  margin-bottom: 40px;
  letter-spacing: 0.1em;
}
.hero-btns { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

.hero-scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255,255,255,0.5);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  z-index: 2;
  animation: bounce 2s infinite;
}
@keyframes bounce { 0%,100%{transform:translateX(-50%) translateY(0)} 50%{transform:translateX(-50%) translateY(6px)} }

/* ============================================================
   FEATURES STRIP
   ============================================================ */
.features-strip {
  background: var(--navy);
  padding: 28px 0;
}
.features-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
}
.feature-item {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(255,255,255,0.9);
  font-size: 0.9rem;
  font-weight: 500;
}
.feature-item i { color: var(--mint); font-size: 1.1rem; }

/* ============================================================
   ABOUT
   ============================================================ */
.about-section { background: var(--white); }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.8fr;
  gap: 64px;
  align-items: center;
}
.about-logo-wrap {
  display: flex;
  justify-content: center;
  align-items: center;
}
.about-logo {
  width: min(280px, 100%);
  height: auto;
  border-radius: 50%;
  box-shadow: 0 8px 40px rgba(26,46,74,0.15);
  transition: transform var(--trans);
}
.about-logo:hover { transform: scale(1.03); }
.about-catch {
  font-family: var(--font-en);
  font-size: 1.1rem;
  color: var(--mint);
  margin-bottom: 20px;
  font-style: italic;
}
.about-text p { margin-bottom: 16px; color: #555; }
.about-info { margin-top: 28px; border-top: 1px solid #eee; padding-top: 24px; }
.info-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 10px;
  font-size: 0.92rem;
  color: #555;
}
.info-row i { color: var(--mint); margin-top: 4px; flex-shrink: 0; }
.info-row a:hover { color: var(--mint); }

/* ============================================================
   SERVICES
   ============================================================ */
.services-section { background: var(--gray-l); }
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.service-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 32px 28px;
  box-shadow: var(--shadow);
  transition: transform var(--trans), box-shadow var(--trans);
}
.service-card:hover { transform: translateY(-6px); box-shadow: 0 12px 40px rgba(0,0,0,0.14); }
.service-icon {
  width: 56px; height: 56px;
  background: linear-gradient(135deg, var(--mint), var(--mint-l));
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--white);
  font-size: 1.3rem;
  margin-bottom: 20px;
}
.service-card h3 { font-size: 1rem; font-weight: 700; color: var(--navy); margin-bottom: 10px; }
.service-card p { font-size: 0.88rem; color: #666; }

/* ============================================================
   WORKS
   ============================================================ */
.works-section { background: var(--white); }
.works-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.work-card {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform var(--trans);
}
.work-card:hover { transform: translateY(-4px); }
.work-img-wrap { background: var(--gray-l); }
.work-img-placeholder {
  height: 200px;
  display: flex; align-items: center; justify-content: center;
  font-size: 3rem;
  color: var(--mint-l);
  background: linear-gradient(135deg, #eaf6f4, #d0eeea);
}
.work-img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}
.work-card:hover .work-img {
  transform: scale(1.04);
}
.work-img-wrap {
  overflow: hidden;
}
.work-info { padding: 20px; background: var(--white); }
.work-tag {
  display: inline-block;
  background: var(--mint-l);
  color: var(--navy);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 50px;
  margin-bottom: 8px;
}
.work-info h3 { font-size: 0.95rem; font-weight: 700; color: var(--navy); margin-bottom: 6px; }
.work-info p { font-size: 0.82rem; color: #666; }

/* ============================================================
   PRICING
   ============================================================ */
.pricing-section { background: var(--gray-l); }
.pricing-cat-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.pricing-cat-title i { color: var(--mint); }
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.pricing-grid-2 { grid-template-columns: repeat(2, 1fr); }
.price-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: transform var(--trans);
}
.price-card:hover { transform: translateY(-4px); }
.price-card-wide { text-align: left; padding: 28px 32px; }
.price-icon { font-size: 2rem; color: var(--mint); margin-bottom: 12px; }
.price-name { font-size: 0.9rem; color: #666; margin-bottom: 8px; font-weight: 500; }
.price-value { font-size: 1.8rem; font-weight: 700; color: var(--navy); line-height: 1.2; }
.price-card-wide .price-value { font-size: 2.2rem; margin-bottom: 20px; }
.price-items { list-style: none; }
.price-items li {
  font-size: 0.88rem;
  color: #555;
  padding: 6px 0;
  border-bottom: 1px solid #f0f0f0;
  display: flex;
  align-items: center;
  gap: 8px;
}
.price-items li i { color: var(--mint); font-size: 0.8rem; }

/* ============================================================
   WHY LAIF
   ============================================================ */
.why-section { background: var(--navy); }
.why-section .section-label { color: var(--mint-l); }
.why-section .section-title { color: var(--white); }
.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.why-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  padding: 32px 24px;
  transition: transform var(--trans), background var(--trans);
}
.why-card:hover { transform: translateY(-4px); background: rgba(255,255,255,0.1); }
.why-num {
  font-family: var(--font-en);
  font-size: 2.8rem;
  font-weight: 600;
  color: rgba(95,191,176,0.25);
  line-height: 1;
  margin-bottom: 12px;
}
.why-icon { font-size: 1.6rem; color: var(--mint); margin-bottom: 16px; }
.why-card h3 { font-size: 1rem; font-weight: 700; color: var(--white); margin-bottom: 10px; }
.why-card p { font-size: 0.85rem; color: rgba(255,255,255,0.65); line-height: 1.7; }

/* ============================================================
   FLOW
   ============================================================ */
.flow-section { background: var(--white); }
.flow-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
}
.flow-list::before {
  content: '';
  position: absolute;
  left: 56px;
  top: 0; bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--mint), var(--mint-l));
}
.flow-step {
  display: flex;
  gap: 32px;
  align-items: flex-start;
  padding: 24px 0;
  position: relative;
}
.flow-step-num {
  flex-shrink: 0;
  width: 80px;
  display: flex;
  flex-direction: column;
  align-items: center;
  font-family: var(--font-en);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--mint);
  position: relative;
  z-index: 1;
}
.flow-step-num span {
  font-size: 1.8rem;
  line-height: 1;
  background: var(--navy);
  color: var(--white);
  width: 48px; height: 48px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin-top: 4px;
  border: 3px solid var(--mint);
}
.flow-step-body {
  background: var(--gray-l);
  border-radius: var(--radius);
  padding: 24px 28px;
  flex: 1;
}
.flow-step-body h3 { font-size: 1rem; font-weight: 700; color: var(--navy); margin-bottom: 8px; }
.flow-step-body p { font-size: 0.88rem; color: #666; }

/* ============================================================
   CONTACT
   ============================================================ */
.contact-section { background: var(--gray-l); }
.contact-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 48px;
}
.contact-form .form-group { margin-bottom: 20px; }
.contact-form label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 6px;
}
.required { color: var(--mint); }
.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid #ddd;
  border-radius: 8px;
  font-family: var(--font-jp);
  font-size: 0.92rem;
  transition: border-color var(--trans);
  background: var(--white);
}
.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--mint);
  box-shadow: 0 0 0 3px rgba(95,191,176,0.15);
}
.form-msg {
  margin-top: 12px;
  font-size: 0.88rem;
  color: var(--mint);
  min-height: 1.5em;
}
.contact-info { display: flex; flex-direction: column; gap: 20px; }
.contact-info-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
}
.contact-info-card h3 {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.contact-info-card h3 i { color: var(--mint); }
.tel-link { font-size: 1.5rem; font-weight: 700; color: var(--navy); }
.tel-link:hover { color: var(--mint); }
.mail-link { font-size: 0.9rem; color: var(--mint); word-break: break-all; }
.contact-hours { font-size: 0.82rem; color: #888; margin-top: 6px; }
.contact-info-card p { font-size: 0.88rem; color: #555; line-height: 1.8; }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer { background: var(--navy-d); color: rgba(255,255,255,0.75); }
.footer-inner { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 48px;
  padding: 56px 0 40px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand { flex: 1; max-width: 400px; }
.footer-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}
.footer-logo-img {
  width: 64px;
  height: 64px;
  object-fit: contain;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.15);
  transition: transform var(--trans);
}
.footer-logo:hover .footer-logo-img { transform: scale(1.05); }
.footer-logo-text {
  font-family: var(--font-en);
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--white);
  letter-spacing: 0.06em;
}
.footer-tagline {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.5);
  font-style: italic;
  margin-bottom: 20px;
}
.footer-contact-list p {
  font-size: 0.85rem;
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin-bottom: 8px;
}
.footer-contact-list i { color: var(--mint); margin-top: 4px; flex-shrink: 0; }
.footer-contact-list a:hover { color: var(--mint); }
.footer-nav ul { display: flex; flex-direction: column; gap: 12px; }
.footer-nav a {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.7);
  transition: color var(--trans);
}
.footer-nav a:hover { color: var(--mint); }
.footer-bottom {
  padding: 20px 0;
  text-align: center;
}
.copyright { font-size: 0.8rem; color: rgba(255,255,255,0.4); }

/* ============================================================
   FLOATING CTA
   ============================================================ */
.floating-cta {
  position: fixed;
  bottom: 32px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 999;
}
.float-btn {
  width: 52px; height: 52px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  color: var(--white);
  box-shadow: 0 4px 20px rgba(0,0,0,0.25);
  transition: transform var(--trans), box-shadow var(--trans);
}
.float-btn:hover { transform: scale(1.1); box-shadow: 0 8px 30px rgba(0,0,0,0.3); color: var(--white); }
.float-tel { background: var(--mint); }
.float-mail { background: var(--navy); }

/* ============================================================
   SCROLL ANIMATION
   ============================================================ */
.fade-in {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .works-grid    { grid-template-columns: repeat(2, 1fr); }
  .why-grid      { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid  { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .section { padding: 72px 0; }

  /* Header */
  .global-nav {
    display: none;
    position: fixed;
    top: 72px; left: 0; right: 0;
    background: var(--navy);
    padding: 24px;
  }
  .global-nav.open { display: block; }
  .nav-list { flex-direction: column; gap: 20px; align-items: flex-start; }
  .nav-list a { color: rgba(255,255,255,0.9) !important; font-size: 1rem; }
  .hamburger { display: flex; }

  /* About */
  .about-grid { grid-template-columns: 1fr; gap: 32px; }
  .about-logo-wrap { order: -1; }
  .about-logo { width: 180px; }

  /* Services / Works */
  .services-grid { grid-template-columns: 1fr; }
  .works-grid    { grid-template-columns: 1fr; }

  /* Pricing */
  .pricing-grid, .pricing-grid-2 { grid-template-columns: 1fr; }

  /* Why */
  .why-grid { grid-template-columns: 1fr; }

  /* Contact */
  .contact-grid { grid-template-columns: 1fr; }

  /* Footer */
  .footer-top { flex-direction: column; gap: 32px; }
  .footer-brand { max-width: none; }

  /* Flow */
  .flow-list::before { left: 40px; }
  .flow-step-num { width: 56px; }
}

@media (max-width: 480px) {
  .hero-btns { flex-direction: column; align-items: center; }
  .features-inner { gap: 20px; justify-content: flex-start; }
}