/* ============================================
   長尾商店 - style.css
   ============================================ */

:root {
  --primary: #1a3a5c;
  --accent: #e85d04;
  --light-bg: #f8f9fa;
  --text: #1c1c1e;
  --text-muted: #6c757d;
  --white: #ffffff;
  --border: #dee2e6;
  --shadow: 0 4px 20px rgba(0,0,0,0.08);
  --radius: 8px;
  --transition: 0.3s ease;
}

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

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

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

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }

/* ---- Container ---- */
.container {
  width: min(1120px, 92%);
  margin-inline: auto;
}

/* ---- Section ---- */
section {
  padding: 96px 0;
}

.section-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 800;
  color: var(--primary);
  line-height: 1.3;
  margin-bottom: 24px;
}

.section-lead {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 640px;
  line-height: 1.9;
}

/* ============================================
   HEADER / NAV
   ============================================ */
header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), box-shadow var(--transition);
}

header.scrolled {
  border-color: var(--border);
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}

nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.logo {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: 0.05em;
}
.logo span { color: var(--accent); }

.nav-links {
  display: flex;
  gap: 36px;
  list-style: none;
}

.nav-links a {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text);
  position: relative;
  padding-bottom: 2px;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 2px;
  background: var(--accent);
  transition: width var(--transition);
}
.nav-links a:hover::after { width: 100%; }

.nav-cta {
  background: var(--accent);
  color: var(--white) !important;
  padding: 10px 22px;
  border-radius: 4px;
  font-size: 0.875rem;
  font-weight: 700;
  transition: background var(--transition), transform var(--transition);
}
.nav-cta:hover { background: #c94e00; transform: translateY(-1px); }
.nav-cta::after { display: none !important; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}
.hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--primary);
  transition: var(--transition);
}
.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 {
  min-height: 100svh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, #0d2137 0%, #1a3a5c 55%, #0f4c75 100%);
  position: relative;
  overflow: hidden;
  padding: 120px 0 80px;
}

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

.hero-eyebrow {
  display: inline-block;
  background: rgba(232,93,4,0.18);
  color: #ff7b35;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  padding: 6px 14px;
  border-radius: 4px;
  margin-bottom: 28px;
}

.hero-catch {
  font-size: clamp(2rem, 5vw, 3.4rem);
  font-weight: 900;
  color: var(--white);
  line-height: 1.2;
  letter-spacing: 0.02em;
  margin-bottom: 24px;
}
.hero-catch em {
  font-style: normal;
  color: #ff7b35;
}

.hero-sub {
  font-size: 1rem;
  color: rgba(255,255,255,0.75);
  line-height: 1.9;
  margin-bottom: 44px;
  max-width: 480px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 4px;
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  border: 2px solid transparent;
}

.btn-primary {
  background: var(--accent);
  color: var(--white);
}
.btn-primary:hover { background: #c94e00; transform: translateY(-2px); box-shadow: 0 6px 20px rgba(232,93,4,0.35); }

.btn-ghost {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.4);
}
.btn-ghost:hover { border-color: var(--white); background: rgba(255,255,255,0.08); }

.hero-visual {
  position: relative;
}

.hero-card {
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 12px;
  padding: 32px;
  backdrop-filter: blur(4px);
}

.stat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 24px;
}

.stat-item {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 8px;
  padding: 20px;
  text-align: center;
}

.stat-num {
  font-size: 2.2rem;
  font-weight: 900;
  color: #ff7b35;
  line-height: 1;
}

.stat-label {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.65);
  margin-top: 6px;
}

.hero-card-title {
  font-size: 1rem;
  font-weight: 700;
  color: rgba(255,255,255,0.9);
}

/* hero deco */
.hero-deco {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
}
.hero-deco-1 {
  width: 400px; height: 400px;
  background: rgba(232,93,4,0.12);
  top: -100px; right: -80px;
}
.hero-deco-2 {
  width: 300px; height: 300px;
  background: rgba(15,76,117,0.5);
  bottom: -60px; left: 30%;
}

/* ============================================
   ABOUT
   ============================================ */
#about {
  background: var(--white);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.mission-box {
  background: var(--primary);
  border-radius: 12px;
  padding: 40px;
  color: var(--white);
  position: relative;
  overflow: hidden;
}
.mission-box::before {
  content: '"';
  position: absolute;
  top: -20px; left: 20px;
  font-size: 120px;
  font-weight: 900;
  color: rgba(255,255,255,0.06);
  line-height: 1;
  font-family: Georgia, serif;
}

.mission-text {
  font-size: 1.05rem;
  line-height: 2;
  position: relative;
  z-index: 1;
}

.value-list {
  list-style: none;
  margin-top: 40px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.value-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: 8px;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.value-item:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow);
}

.value-icon {
  width: 40px; height: 40px;
  min-width: 40px;
  border-radius: 8px;
  background: rgba(232,93,4,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.value-body h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 4px;
}
.value-body p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ============================================
   SERVICES
   ============================================ */
#services {
  background: var(--light-bg);
}

.service-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 56px;
}

.service-card {
  background: var(--white);
  border-radius: 12px;
  padding: 36px 28px;
  border: 1px solid var(--border);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  position: relative;
  overflow: hidden;
}
.service-card::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--accent);
  transform: scaleX(0);
  transition: transform var(--transition);
  transform-origin: left;
}
.service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.1);
  border-color: transparent;
}
.service-card:hover::after { transform: scaleX(1); }

.service-num {
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: 0.1em;
  margin-bottom: 16px;
}

.service-icon {
  font-size: 2rem;
  margin-bottom: 16px;
}

.service-card h3 {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 12px;
}

.service-card p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.85;
  margin-bottom: 20px;
}

.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tag {
  font-size: 0.72rem;
  font-weight: 600;
  background: rgba(26,58,92,0.07);
  color: var(--primary);
  padding: 4px 10px;
  border-radius: 4px;
}

/* ============================================
   CASES
   ============================================ */
#cases {
  background: var(--white);
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  margin-top: 56px;
}

.case-card {
  background: var(--light-bg);
  border-radius: 12px;
  padding: 36px;
  border: 1px solid var(--border);
  transition: box-shadow var(--transition);
}
.case-card:hover { box-shadow: var(--shadow); }

.case-industry {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  background: var(--primary);
  color: var(--white);
  padding: 4px 12px;
  border-radius: 4px;
  margin-bottom: 16px;
  letter-spacing: 0.05em;
}

.case-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 12px;
  line-height: 1.5;
}

.case-result {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--white);
  border-radius: 8px;
  padding: 16px;
  margin-top: 16px;
}

.result-num {
  font-size: 1.6rem;
  font-weight: 900;
  color: var(--accent);
  white-space: nowrap;
}

.result-text {
  font-size: 0.83rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.case-note {
  font-size: 0.83rem;
  color: var(--text-muted);
  line-height: 1.8;
  margin-top: 12px;
}

/* ============================================
   PROFILE
   ============================================ */
#profile {
  background: var(--light-bg);
}

.profile-grid {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 64px;
  align-items: start;
}

.profile-photo-wrap {
  position: sticky;
  top: 100px;
}

.profile-photo {
  width: 100%;
  aspect-ratio: 3/4;
  border-radius: 12px;
  background: linear-gradient(135deg, #1a3a5c 0%, #0f4c75 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 5rem;
  margin-bottom: 20px;
}

.profile-certs {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.cert-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--primary);
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 12px;
}

.profile-name {
  font-size: 2rem;
  font-weight: 900;
  color: var(--primary);
  margin-bottom: 4px;
}
.profile-name-en {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 32px;
  font-weight: 400;
}

.profile-bio {
  font-size: 0.95rem;
  color: var(--text);
  line-height: 2;
  margin-bottom: 32px;
}

.career-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.career-item {
  display: flex;
  gap: 20px;
  padding-bottom: 20px;
  position: relative;
}
.career-item::before {
  content: '';
  position: absolute;
  left: 50px;
  top: 20px;
  bottom: 0;
  width: 2px;
  background: var(--border);
}
.career-item:last-child::before { display: none; }

.career-year {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--accent);
  min-width: 52px;
  padding-top: 4px;
}

.career-dot {
  width: 10px; height: 10px;
  min-width: 10px;
  border-radius: 50%;
  background: var(--accent);
  margin-top: 7px;
  position: relative;
  z-index: 1;
}

.career-body {
  font-size: 0.9rem;
  color: var(--text);
  line-height: 1.7;
}
.career-body strong { color: var(--primary); }

/* ============================================
   CONTACT
   ============================================ */
#contact {
  background: linear-gradient(135deg, #0d2137 0%, #1a3a5c 100%);
  color: var(--white);
}

#contact .section-label { color: #ff7b35; }
#contact .section-title { color: var(--white); }
#contact .section-lead { color: rgba(255,255,255,0.7); }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 64px;
  margin-top: 56px;
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.contact-item-icon {
  width: 44px; height: 44px;
  min-width: 44px;
  border-radius: 8px;
  background: rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.contact-item-body {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.8);
  line-height: 1.7;
}
.contact-item-body strong {
  display: block;
  color: var(--white);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 2px;
}

/* Form */
.contact-form {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 12px;
  padding: 40px;
}

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

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: rgba(255,255,255,0.7);
  margin-bottom: 8px;
  letter-spacing: 0.04em;
}
.form-group label .req {
  color: var(--accent);
  margin-left: 4px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 6px;
  padding: 12px 16px;
  font-size: 0.9rem;
  color: var(--white);
  font-family: inherit;
  transition: border-color var(--transition);
  outline: none;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: rgba(255,255,255,0.35); }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: #ff7b35;
  background: rgba(255,255,255,0.1);
}
.form-group select option { background: #1a3a5c; }
.form-group textarea { resize: vertical; min-height: 120px; }

.form-submit {
  width: 100%;
  padding: 15px;
  background: var(--accent);
  color: var(--white);
  border: none;
  border-radius: 6px;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
  font-family: inherit;
}
.form-submit:hover { background: #c94e00; transform: translateY(-1px); }

.form-note {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.45);
  margin-top: 12px;
  text-align: center;
  line-height: 1.6;
}

/* Toast */
.toast {
  position: fixed;
  bottom: 32px;
  right: 32px;
  background: #27ae60;
  color: var(--white);
  padding: 16px 24px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  box-shadow: 0 8px 32px rgba(0,0,0,0.2);
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  z-index: 9999;
}
.toast.show {
  transform: translateY(0);
  opacity: 1;
}

/* ============================================
   FOOTER
   ============================================ */
footer {
  background: #0a1929;
  color: rgba(255,255,255,0.5);
  padding: 48px 0 32px;
  font-size: 0.85rem;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-logo {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--white);
}
.footer-logo span { color: var(--accent); }

.footer-links {
  display: flex;
  gap: 24px;
  list-style: none;
}
.footer-links a {
  color: rgba(255,255,255,0.5);
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--white); }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 900px) {
  section { padding: 72px 0; }

  .hamburger { display: flex; }
  .nav-links {
    display: none;
    position: fixed;
    top: 68px; left: 0; right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 24px;
    gap: 0;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 8px 24px rgba(0,0,0,0.08);
  }
  .nav-links.open { display: flex; }
  .nav-links li { border-bottom: 1px solid var(--border); }
  .nav-links a {
    display: block;
    padding: 14px 0;
  }
  .nav-links a::after { display: none; }
  .nav-cta { margin-top: 12px; display: inline-block; }

  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { display: none; }

  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .service-cards { grid-template-columns: 1fr; }
  .case-grid { grid-template-columns: 1fr; }

  .profile-grid { grid-template-columns: 1fr; }
  .profile-photo-wrap { position: static; display: flex; gap: 24px; align-items: start; flex-wrap: wrap; }
  .profile-photo { width: 160px; min-width: 160px; }
  .profile-certs { flex-direction: row; flex-wrap: wrap; }

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

@media (max-width: 600px) {
  .hero-catch { font-size: 2rem; }
  .hero-buttons { flex-direction: column; }
  .btn { justify-content: center; }
  .contact-form { padding: 24px; }
  .footer-inner { flex-direction: column; text-align: center; }
  .footer-links { flex-wrap: wrap; justify-content: center; }
}