/* ============================================
   原田社労士事務所 - Style
   Color: White + Navy#1B3A5C + Orange#E67E22
   Font: Noto Sans JP
   ============================================ */

:root {
  --primary: #E67E22;
  --primary-dark: #D35400;
  --primary-light: #F39C12;
  --navy: #1B3A5C;
  --navy-dark: #132C47;
  --navy-light: #2C5282;
  --dark: #1A1A1A;
  --text: #444444;
  --text-light: #777777;
  --white: #FFFFFF;
  --off-white: #FAFBFC;
  --bg-light: #F0F4F8;
  --border: #DEE5ED;
  --font-main: 'Noto Sans JP', sans-serif;
}

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


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

body {
  font-family: var(--font-main);
  color: var(--text);
  background: var(--white);
  line-height: 1.8;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  text-decoration: none;
  color: inherit;
  transition: all 0.3s ease;
}

ul, ol {
  list-style: none;
}


.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
}


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

.section-label {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 10px;
  font-weight: 600;
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 16px;
}

.section-line {
  width: 48px;
  height: 3px;
  background: var(--primary);
  margin: 0 auto;
  border-radius: 2px;
}

.section-desc {
  margin-top: 20px;
  font-size: 1rem;
  color: var(--text-light);
  line-height: 2;
}


/* Buttons */
.btn {
  display: inline-block;
  padding: 16px 40px;
  font-family: var(--font-main);
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
}

.btn-primary {
  background: var(--primary);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(230,126,34,0.3);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.6);
}

.btn-outline:hover {
  background: var(--white);
  color: var(--navy);
}

.btn-full {
  width: 100%;
  text-align: center;
}


/* Header */
.header {
  position: fixed; top: 0; left: 0; width: 100%; z-index: 1000;
  padding: 16px 0; transition: all 0.4s ease;
}

.header.scrolled {
  background: rgba(255,255,255,0.97);
  padding: 10px 0;
  box-shadow: 0 2px 16px rgba(0,0,0,0.06);
}

.header.scrolled .logo-text {
  color: var(--navy);
}

.header.scrolled .nav-link {
  color: var(--text);
}

.header.scrolled .nav-link:hover {
  color: var(--primary);
}

.header.scrolled .hamburger span {
  background: var(--navy);
}


.header-inner {
  max-width: 1160px; margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-text {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--white);
  transition: color 0.3s;
}


.nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-link {
  font-size: 0.85rem;
  font-weight: 500;
  color: rgba(255,255,255,0.9);
}

.nav-link:hover {
  color: var(--white);
}


.nav-cta {
  background: var(--primary); color: var(--white) !important;
  padding: 10px 24px; border-radius: 6px; font-weight: 600;
}
.nav-cta:hover {
  background: var(--primary-dark);
}


.hamburger {
  display: none; background: none; border: none; cursor: pointer;
  padding: 8px; flex-direction: column; gap: 5px;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--white);
  transition: all 0.3s;
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px,5px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px,-5px);
}


/* Hero */
.hero {
  position: relative; min-height: 100vh;
  display: flex; align-items: center; justify-content: center; overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(27,58,92,0.88) 0%, rgba(27,58,92,0.7) 100%);
}


.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  color: var(--white);
  padding: 0 24px;
}


.hero-sub {
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  color: var(--primary);
  margin-bottom: 20px;
  font-weight: 600;
  opacity: 0;
  animation: fadeUp 0.8s ease 0.3s forwards;
}

.hero-title {
  font-size: 3rem;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 20px;
  opacity: 0;
  animation: fadeUp 0.8s ease 0.5s forwards;
}

.hero-desc {
  font-size: 1rem;
  line-height: 2;
  opacity: 0.85;
  margin-bottom: 40px;
  opacity: 0;
  animation: fadeUp 0.8s ease 0.7s forwards;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeUp 0.8s ease 0.9s forwards;
}


.hero-scroll {
  position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  z-index: 1; color: rgba(255,255,255,0.6); font-size: 0.7rem; letter-spacing: 0.15em;
}
.scroll-line {
  width: 1px;
  height: 36px;
  background: var(--primary);
  animation: scrollAnim 2s ease infinite;
}


@keyframes fadeUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }
@keyframes scrollAnim { 0%,100% { opacity: 0.3; } 50% { opacity: 1; } }

/* About */
.about {
  background: var(--white);
}


.about-grid {
  display: grid; grid-template-columns: 1fr 1.2fr; gap: 64px; align-items: center;
}

.about-image {
  border-radius: 12px;
  overflow: hidden;
}

.about-image img {
  width: 100%;
  height: 380px;
  object-fit: cover;
}


.about-text h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 20px;
  line-height: 1.6;
}

.about-text p {
  color: var(--text-light);
  margin-bottom: 16px;
  line-height: 2;
}


/* Services */
.services {
  background: var(--bg-light);
}


.services-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px;
}

.service-card {
  padding: 40px; background: var(--white); border-radius: 12px;
  border: 1px solid var(--border); transition: all 0.4s ease;
}

.service-card:hover {
  transform: translateY(-4px); box-shadow: 0 12px 40px rgba(27,58,92,0.08);
  border-color: var(--primary);
}

.service-icon-circle {
  width: 60px; height: 60px; background: rgba(230,126,34,0.1);
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
}

.service-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 12px;
}

.service-desc {
  font-size: 0.93rem;
  color: var(--text-light);
  margin-bottom: 16px;
  line-height: 1.8;
}


.service-list li {
  position: relative; padding-left: 18px; font-size: 0.88rem; color: var(--text); margin-bottom: 6px;
}
.service-list li::before {
  content: ''; position: absolute; left: 0; top: 10px;
  width: 6px; height: 6px; background: var(--primary); border-radius: 50%;
}

/* Strength */
.strength {
  background: var(--navy);
  color: var(--white);
}

.strength .section-title {
  color: var(--white);
}


.strength-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 48px;
}

.strength-item {
  text-align: center;
}


.strength-num {
  font-size: 3rem; font-weight: 700; color: var(--primary); line-height: 1; margin-bottom: 16px;
}

.strength-item h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 12px;
  line-height: 1.5;
}

.strength-item p {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.65);
  line-height: 1.9;
}


/* Cases */
.cases {
  background: var(--white);
}


.cases-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px;
}

.case-card {
  background: var(--off-white); padding: 36px; border-radius: 12px;
  border: 1px solid var(--border); transition: all 0.3s ease;
}
.case-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.06);
}


.case-tag {
  display: inline-block; font-size: 0.75rem; font-weight: 600;
  color: var(--primary); background: rgba(230,126,34,0.1);
  padding: 4px 12px; border-radius: 20px; margin-bottom: 16px;
}

.case-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 12px;
  line-height: 1.5;
}

.case-desc {
  font-size: 0.88rem;
  color: var(--text-light);
  line-height: 1.8;
}


/* Numbers */
.numbers {
  background: var(--primary);
  padding: 80px 0;
}


.numbers-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}

.number-item {
  color: var(--white);
}

.number-value {
  font-size: 3rem;
  font-weight: 700;
  line-height: 1;
  display: inline;
}

.number-unit {
  font-size: 1rem;
  font-weight: 600;
}

.number-label {
  display: block;
  margin-top: 8px;
  font-size: 0.85rem;
  opacity: 0.85;
}


/* Flow */
.flow {
  background: var(--off-white);
}


.flow-steps {
  max-width: 760px;
  margin: 0 auto;
}


.flow-step {
  display: flex; gap: 28px; padding: 28px 0;
  border-bottom: 1px solid var(--border); align-items: flex-start;
}
.flow-step:last-child {
  border-bottom: none;
}


.flow-number {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary);
  min-width: 50px;
  line-height: 1;
}

.flow-body h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 6px;
}

.flow-body p {
  font-size: 0.93rem;
  color: var(--text-light);
  line-height: 1.8;
}


/* FAQ */
.faq {
  background: var(--white);
}


.faq-list {
  max-width: 760px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--border);
}


.faq-question {
  width: 100%; display: flex; justify-content: space-between; align-items: center;
  padding: 22px 0; background: none; border: none; font-family: var(--font-main);
  font-size: 0.95rem; font-weight: 600; color: var(--navy); cursor: pointer; text-align: left; gap: 16px;
}

.faq-icon {
  min-width: 20px;
  height: 20px;
  position: relative;
}

.faq-icon::before, .faq-icon::after {
  content: '';
  position: absolute;
  background: var(--primary);
  transition: transform 0.3s;
}

.faq-icon::before {
  width: 18px;
  height: 2px;
  top: 50%;
  left: 1px;
  transform: translateY(-50%);
}

.faq-icon::after {
  width: 2px;
  height: 18px;
  left: 50%;
  top: 1px;
  transform: translateX(-50%);
}

.faq-item.active .faq-icon::after {
  transform: translateX(-50%) rotate(90deg);
}


.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding-bottom: 22px;
}

.faq-answer p {
  font-size: 0.93rem;
  color: var(--text-light);
  line-height: 2;
}


/* Company */
.company {
  background: var(--bg-light);
}


.company-table-wrap {
  max-width: 760px;
  margin: 0 auto;
}

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

.company-table tr {
  border-bottom: 1px solid var(--border);
}

.company-table th {
  padding: 18px 20px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--navy);
  text-align: left;
  width: 160px;
}

.company-table td {
  padding: 18px 20px;
  font-size: 0.93rem;
  color: var(--text-light);
}


/* Contact */
.contact {
  background: var(--white);
}


.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 48px;
}


.contact-box {
  background: var(--bg-light);
  padding: 28px;
  margin-bottom: 20px;
  border-radius: 10px;
  border: 1px solid var(--border);
}

.contact-box h3 {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 8px;
}

.contact-phone {
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--primary);
}

.contact-email {
  font-size: 1.05rem;
  color: var(--primary);
}

.contact-hours {
  font-size: 0.83rem;
  color: var(--text-light);
  margin-top: 4px;
}


.contact-form {
  background: var(--off-white);
  padding: 40px;
  border-radius: 12px;
  border: 1px solid var(--border);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 6px;
}

.required {
  color: var(--primary);
  font-size: 0.75rem;
}


.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 12px 16px; font-family: var(--font-main); font-size: 0.93rem;
  border: 1px solid var(--border); background: var(--white); color: var(--text);
  border-radius: 6px; transition: border-color 0.3s;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
}

.form-group textarea {
  resize: vertical;
}


/* Footer */
.footer {
  background: var(--navy-dark);
  color: var(--white);
  padding: 64px 0 0;
}


.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 36px;
  padding-bottom: 48px; border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer .logo-text {
  color: var(--white);
}

.footer-desc {
  font-size: 0.83rem;
  color: rgba(255,255,255,0.5);
  margin-top: 10px;
}


.footer-links h4 {
  font-size: 0.83rem;
  font-weight: 600;
  margin-bottom: 14px;
  color: var(--primary);
}

.footer-links a, .footer-links p {
  display: block;
  font-size: 0.83rem;
  color: rgba(255,255,255,0.5);
  margin-bottom: 8px;
}

.footer-links a:hover {
  color: var(--white);
}


.footer-bottom {
  padding: 20px 0;
  text-align: center;
}

.footer-bottom p {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.35);
}


/* Animations */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: all 0.7s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}


/* Responsive */
@media (max-width: 1024px) {
  .hero-title {
    font-size: 2.5rem;
  }

  .cases-grid {
    grid-template-columns: 1fr;
  }

  .strength-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

}

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

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

  .section-title {
    font-size: 1.5rem;
  }


  .nav {
    position: fixed; top: 0; right: -100%; width: 80%; height: 100vh;
    background: var(--white); flex-direction: column; padding: 80px 32px;
    gap: 20px; transition: right 0.4s ease; z-index: 999;
  }
  .nav.active {
    right: 0;
  }

  .nav.active .nav-link {
    color: var(--text);
  }

  .hamburger {
    display: flex;
    z-index: 1001;
  }


  .hero-title {
    font-size: 2rem;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

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

  .number-value {
    font-size: 2.2rem;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .contact-form {
    padding: 24px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .flow-step {
    flex-direction: column;
    gap: 8px;
  }

}

@media (max-width: 480px) {
  .hero-title {
    font-size: 1.7rem;
  }

  .btn {
    padding: 14px 28px;
    font-size: 0.9rem;
  }

}

@media print {
  .header, .hero-scroll, .hamburger {
    display: none;
  }

  .section {
    padding: 32px 0;
  }

}