/* ========================================
   SHIELD損保プロ - style.css
   Tough, data-driven, black+red design
   ======================================== */

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

:root {
  --primary: #1A1A1A;
  --accent: #B91C1C;
  --accent-light: #DC2626;
  --bg: #F5F5F5;
  --bg-dark: #111111;
  --text: #1A1A1A;
  --text-light: #6B7280;
  --text-on-dark: #E5E5E5;
  --text-muted-dark: #9CA3AF;
  --border: #D1D5DB;
  --border-dark: #2A2A2A;
}

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

body {
  font-family: 'Zen Kaku Gothic New', sans-serif;
  font-weight: 400;
  color: var(--text);
  background: var(--bg);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }

/* ========== HEADER ========== */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(26,26,26,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-dark);
  transition: transform 0.3s;
}
.header.hidden { transform: translateY(-100%); }
.header-inner {
  max-width: 1100px; margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.logo {
  font-weight: 900; font-size: 1.1rem; color: #fff; text-decoration: none;
  letter-spacing: 0.08em; display: flex; align-items: center; gap: 4px;
}
.logo-mark { color: var(--accent); margin-right: 4px; font-size: 0.8em; }
.logo-sub { font-weight: 400; font-size: 0.7em; color: var(--text-muted-dark); margin-left: 6px; }

.nav-desktop { display: flex; align-items: center; gap: 28px; }
.nav-desktop a {
  color: var(--text-muted-dark); text-decoration: none; font-size: 0.85rem;
  font-weight: 500; transition: color 0.2s; letter-spacing: 0.03em;
}
.nav-desktop a:hover { color: #fff; }
.nav-cta {
  background: var(--accent) !important; color: #fff !important;
  padding: 8px 20px !important; border-radius: 2px; font-weight: 700 !important;
  font-size: 0.8rem !important;
}
.nav-cta:hover { background: var(--accent-light) !important; }

.hamburger {
  display: none; background: none; border: none; cursor: pointer;
  width: 32px; height: 24px; position: relative;
}
.hamburger span {
  display: block; width: 100%; height: 2px; background: #fff;
  position: absolute; left: 0; transition: 0.3s;
}
.hamburger span:first-child { top: 4px; }
.hamburger span:last-child { bottom: 4px; }
.hamburger.active span:first-child { top: 11px; transform: rotate(45deg); }
.hamburger.active span:last-child { bottom: 11px; transform: rotate(-45deg); }

.nav-mobile {
  display: none; position: fixed; top: 64px; left: 0; right: 0;
  background: rgba(17,17,17,0.98); z-index: 99;
  flex-direction: column; padding: 20px 24px;
  transform: translateY(-10px); opacity: 0; pointer-events: none;
  transition: 0.3s;
}
.nav-mobile.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
.nav-mobile a {
  color: var(--text-on-dark); text-decoration: none; padding: 14px 0;
  font-size: 1rem; font-weight: 500; border-bottom: 1px solid var(--border-dark);
}

/* ========== HERO ========== */
.hero {
  position: relative; min-height: 100vh; background: var(--bg-dark);
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
.hero-bg-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(185,28,28,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(185,28,28,0.06) 1px, transparent 1px);
  background-size: 60px 60px;
  animation: gridPulse 8s ease-in-out infinite;
}
@keyframes gridPulse {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 1; }
}

.hero-content {
  position: relative; z-index: 2; text-align: center; padding: 0 24px;
}
.hero-pre {
  color: var(--accent); font-size: 0.85rem; font-weight: 700;
  letter-spacing: 0.3em; text-transform: uppercase; margin-bottom: 32px;
}
.hero-title {
  font-size: clamp(2.8rem, 8vw, 6.5rem); font-weight: 900;
  line-height: 1.15; color: #fff; margin-bottom: 48px;
}
.hero-line { display: block; }
.hero-line--accent { color: var(--accent); position: relative; }
.hero-line--accent::after {
  content: ''; position: absolute; bottom: -4px; left: 50%;
  transform: translateX(-50%); width: 0; height: 3px;
  background: var(--accent); animation: underlineGrow 1.5s 1s forwards;
}
@keyframes underlineGrow { to { width: 100%; } }

.hero-stats {
  display: flex; align-items: center; justify-content: center;
  gap: 32px; margin-bottom: 48px;
}
.hero-stat { text-align: center; }
.hero-stat-num {
  font-size: clamp(2rem, 5vw, 3.5rem); font-weight: 900; color: #fff;
  display: inline;
}
.hero-stat-unit { font-size: 1rem; color: var(--accent); font-weight: 700; margin-left: 2px; }
.hero-stat-label {
  display: block; font-size: 0.75rem; color: var(--text-muted-dark);
  margin-top: 4px; letter-spacing: 0.05em;
}
.hero-stat-divider {
  width: 1px; height: 48px; background: var(--border-dark);
}

.hero-cta {
  display: inline-block; background: var(--accent); color: #fff;
  padding: 16px 40px; font-size: 1rem; font-weight: 700;
  text-decoration: none; letter-spacing: 0.08em;
  border: 2px solid var(--accent);
  transition: 0.3s;
}
.hero-cta:hover {
  background: transparent; color: var(--accent);
}

.hero-scroll {
  position: absolute; bottom: 32px; left: 50%;
  transform: translateX(-50%); text-align: center;
}
.hero-scroll span {
  font-size: 0.65rem; color: var(--text-muted-dark);
  letter-spacing: 0.3em; display: block; margin-bottom: 8px;
}
.hero-scroll-line {
  width: 1px; height: 40px; background: var(--border-dark);
  margin: 0 auto; position: relative; overflow: hidden;
}
.hero-scroll-line::after {
  content: ''; position: absolute; top: -40px; left: 0;
  width: 1px; height: 40px; background: var(--accent);
  animation: scrollDown 2s infinite;
}
@keyframes scrollDown { to { top: 40px; } }

/* ========== SECTIONS COMMON ========== */
.section { padding: 100px 0; }
.section--dark { background: var(--bg-dark); color: var(--text-on-dark); }

.section-label {
  font-size: 0.7rem; font-weight: 700; letter-spacing: 0.35em;
  color: var(--accent); margin-bottom: 16px; text-transform: uppercase;
}
.section-title {
  font-size: clamp(1.8rem, 4vw, 3rem); font-weight: 900;
  line-height: 1.3; margin-bottom: 56px;
}
.section--dark .section-title { color: #fff; }

/* ========== FIELD CARDS (Section 2) ========== */
.field-grid {
  display: grid; grid-template-columns: 1fr; gap: 24px;
  margin-bottom: 48px;
}
.field-card {
  background: rgba(255,255,255,0.04); border: 1px solid var(--border-dark);
  padding: 32px; position: relative; overflow: hidden;
  transition: border-color 0.3s;
}
.field-card:hover { border-color: var(--accent); }
.field-card--feature {
  grid-column: 1 / -1;
  border-left: 4px solid var(--accent);
}
.field-card-num {
  font-size: 4rem; font-weight: 900; color: rgba(185,28,28,0.12);
  position: absolute; top: -8px; right: 16px; line-height: 1;
}
.field-card h3 { font-size: 1.2rem; font-weight: 900; margin-bottom: 12px; color: #fff; }
.field-card p { font-size: 0.95rem; color: var(--text-muted-dark); line-height: 1.8; }
.field-card strong { color: var(--accent-light); }

.field-card-loss {
  display: grid; grid-template-columns: auto 1fr; gap: 4px 16px;
  margin-top: 20px; padding-top: 20px; border-top: 1px solid var(--border-dark);
}
.loss-label { font-size: 0.75rem; color: var(--text-muted-dark); font-weight: 700; align-self: center; }
.loss-amount { font-size: 1.5rem; font-weight: 900; color: #fff; }
.loss-amount--covered { color: var(--accent); }

.field-closing {
  text-align: center; font-size: 1.1rem; color: var(--text-muted-dark);
  line-height: 2;
}
.field-closing strong { color: #fff; }

@media(min-width:768px) {
  .field-grid { grid-template-columns: 1fr 1fr; }
}

/* ========== RISK CARDS (Section 3) ========== */
.risk-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}
.risk-card {
  background: #fff; border: 1px solid var(--border); padding: 32px;
  position: relative; transition: 0.3s;
}
.risk-card:hover { transform: translateY(-4px); box-shadow: 0 12px 40px rgba(0,0,0,0.08); }
.risk-icon { width: 48px; height: 48px; color: var(--primary); margin-bottom: 16px; }
.risk-icon svg { width: 100%; height: 100%; }
.risk-card h3 { font-size: 1.1rem; font-weight: 900; margin-bottom: 8px; }
.risk-probability {
  font-size: 0.8rem; color: var(--accent); font-weight: 700;
  margin-bottom: 12px; letter-spacing: 0.02em;
}
.risk-card p { font-size: 0.9rem; color: var(--text-light); line-height: 1.7; }
.risk-card strong { color: var(--primary); }
.risk-bar {
  margin-top: 16px; height: 3px; background: #E5E7EB; position: relative;
  overflow: hidden;
}
.risk-bar-fill {
  position: absolute; left: 0; top: 0; height: 100%;
  background: var(--accent); width: 0;
  transition: width 1.5s cubic-bezier(0.4,0,0.2,1);
}
.risk-card.visible .risk-bar-fill { width: var(--fill); }

/* ========== PROCESS (Section 4) ========== */
.process-timeline { position: relative; padding-left: 48px; }
.process-timeline::before {
  content: ''; position: absolute; left: 18px; top: 0; bottom: 0;
  width: 2px; background: var(--border-dark);
}
.process-step {
  position: relative; margin-bottom: 48px; display: flex; gap: 24px;
  align-items: flex-start;
}
.process-step:last-child { margin-bottom: 0; }
.process-step-num {
  position: absolute; left: -48px; top: 0;
  width: 36px; height: 36px; background: var(--accent);
  color: #fff; font-weight: 900; font-size: 0.8rem;
  display: flex; align-items: center; justify-content: center;
  z-index: 1;
}
.process-step-content { padding-top: 4px; }
.process-step h3 { font-size: 1.1rem; font-weight: 900; color: #fff; margin-bottom: 8px; }
.process-step p { font-size: 0.9rem; color: var(--text-muted-dark); }
.process-step strong { color: var(--accent-light); }
.process-step-detail {
  margin-top: 8px; font-size: 0.75rem; color: var(--text-muted-dark);
  font-weight: 700; letter-spacing: 0.05em;
  padding: 4px 12px; border: 1px solid var(--border-dark); display: inline-block;
}

/* ========== INCIDENT (Section 5) ========== */
.incident-flow {
  max-width: 700px; margin: 0 auto 48px;
}
.incident-step {
  display: flex; gap: 24px; align-items: flex-start;
}
.incident-time {
  flex-shrink: 0; width: 64px; text-align: right;
  font-size: 1.2rem; font-weight: 900; color: var(--accent);
  padding-top: 4px;
}
.incident-body { flex: 1; padding-bottom: 8px; }
.incident-body h3 { font-size: 1.05rem; font-weight: 900; margin-bottom: 6px; }
.incident-body p { font-size: 0.9rem; color: var(--text-light); }
.incident-body strong { color: var(--primary); }
.incident-connector {
  width: 2px; height: 32px; background: #D1D5DB;
  margin-left: 75px;
}

.incident-note {
  max-width: 700px; margin: 0 auto;
  background: var(--primary); color: #fff; padding: 32px;
  border-left: 4px solid var(--accent);
}
.incident-note p { font-size: 0.95rem; line-height: 1.9; }
.incident-note strong { color: var(--accent-light); }

/* ========== VOICE (Section 6) ========== */
.voice-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}
.voice-card {
  background: rgba(255,255,255,0.04); border: 1px solid var(--border-dark);
  padding: 32px;
}
.voice-rating { margin-bottom: 16px; color: var(--accent); font-size: 0.6rem; letter-spacing: 4px; }
.voice-text { font-size: 0.95rem; line-height: 1.9; color: var(--text-muted-dark); margin-bottom: 20px; }
.voice-text strong { color: #fff; }
.voice-author { display: flex; align-items: center; gap: 12px; }
.voice-author-info { display: flex; flex-direction: column; }
.voice-name { font-weight: 700; font-size: 0.9rem; color: #fff; }
.voice-role { font-size: 0.75rem; color: var(--text-muted-dark); }

/* ========== PROFILE (Section 7) ========== */
.profile-layout {
  display: grid; grid-template-columns: 280px 1fr; gap: 48px;
  align-items: start;
}
.profile-visual { text-align: center; }
.profile-photo-placeholder {
  width: 200px; height: 240px; margin: 0 auto 24px;
  background: var(--primary); display: flex; align-items: center;
  justify-content: center; position: relative;
}
.profile-photo-placeholder::before {
  content: ''; position: absolute; inset: -4px;
  border: 2px solid var(--accent); z-index: -1;
}
.profile-initials {
  font-size: 2.5rem; font-weight: 900; color: #fff;
  line-height: 1.3; text-align: center;
}
.profile-credentials { display: flex; flex-direction: column; gap: 8px; }
.credential {
  font-size: 0.75rem; font-weight: 700; color: var(--text-light);
  padding: 6px 12px; border: 1px solid var(--border);
  letter-spacing: 0.03em;
}

.profile-name {
  font-size: 1.8rem; font-weight: 900; margin-bottom: 4px;
  display: flex; align-items: baseline; gap: 12px;
}
.profile-name-en { font-size: 0.85rem; font-weight: 400; color: var(--text-light); }
.profile-title-role {
  font-size: 0.85rem; color: var(--accent); font-weight: 700;
  margin-bottom: 32px; letter-spacing: 0.05em;
}

.profile-timeline { margin-bottom: 32px; }
.profile-timeline-item {
  display: flex; gap: 16px; margin-bottom: 16px;
  padding-bottom: 16px; border-bottom: 1px solid var(--border);
}
.profile-timeline-item:last-child { border-bottom: none; }
.profile-year {
  flex-shrink: 0; font-size: 0.85rem; font-weight: 900;
  color: var(--accent); width: 48px;
}
.profile-timeline-item p { font-size: 0.9rem; color: var(--text-light); }

.profile-quote {
  background: var(--bg-dark); color: var(--text-on-dark);
  padding: 28px; font-size: 0.95rem; line-height: 2;
  border-left: 4px solid var(--accent); position: relative;
}
.profile-quote strong { color: var(--accent-light); }

/* ========== CONTACT (Section 8) ========== */
.contact-layout {
  display: grid; grid-template-columns: 1fr 1fr; gap: 48px;
  align-items: start;
}
.contact-lead { font-size: 1.1rem; line-height: 2; color: var(--text-muted-dark); margin-bottom: 32px; }
.contact-methods { display: flex; flex-direction: column; gap: 20px; }
.contact-method {
  padding: 20px; border: 1px solid var(--border-dark);
}
.contact-method-label {
  font-size: 0.7rem; font-weight: 700; color: var(--accent);
  letter-spacing: 0.15em; display: block; margin-bottom: 4px;
}
.contact-method-value {
  font-size: 1.3rem; font-weight: 900; color: #fff;
  text-decoration: none; display: block;
}
.contact-method-value:hover { color: var(--accent); }
.contact-method-note { font-size: 0.75rem; color: var(--text-muted-dark); display: block; margin-top: 4px; }

.contact-form { display: flex; flex-direction: column; gap: 16px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { display: flex; flex-direction: column; }
.form-group label {
  font-size: 0.8rem; font-weight: 700; color: var(--text-muted-dark);
  margin-bottom: 6px; letter-spacing: 0.05em;
}
.form-group input, .form-group textarea {
  background: rgba(255,255,255,0.06); border: 1px solid var(--border-dark);
  padding: 12px 16px; color: #fff; font-family: inherit;
  font-size: 0.95rem; transition: border-color 0.2s; outline: none;
}
.form-group input:focus, .form-group textarea:focus {
  border-color: var(--accent);
}
.form-group textarea { resize: vertical; }

.form-checks { display: flex; flex-wrap: wrap; gap: 8px; }
.form-check {
  display: flex; align-items: center; gap: 6px; cursor: pointer;
  padding: 6px 14px; border: 1px solid var(--border-dark);
  font-size: 0.85rem; color: var(--text-muted-dark); transition: 0.2s;
}
.form-check:has(input:checked) {
  border-color: var(--accent); color: #fff; background: rgba(185,28,28,0.15);
}
.form-check input { display: none; }

.form-submit {
  background: var(--accent); color: #fff; border: 2px solid var(--accent);
  padding: 16px; font-family: inherit; font-size: 1rem; font-weight: 700;
  cursor: pointer; letter-spacing: 0.08em; transition: 0.3s;
}
.form-submit:hover { background: transparent; color: var(--accent); }

/* ========== FOOTER ========== */
.footer {
  background: var(--primary); color: var(--text-muted-dark);
  padding: 60px 0 32px; border-top: 1px solid var(--border-dark);
}
.footer-grid {
  display: grid; grid-template-columns: 1fr 1.5fr 1fr; gap: 40px;
  margin-bottom: 40px;
}
.footer-tagline { font-size: 0.8rem; color: var(--text-muted-dark); margin-top: 8px; }
.footer-info h4, .footer-links h4 {
  font-size: 0.75rem; font-weight: 700; color: var(--accent);
  letter-spacing: 0.15em; margin-bottom: 16px; text-transform: uppercase;
}
.footer-table { width: 100%; font-size: 0.85rem; border-collapse: collapse; }
.footer-table th {
  text-align: left; padding: 6px 16px 6px 0; color: var(--text-muted-dark);
  font-weight: 500; white-space: nowrap; width: 80px;
}
.footer-table td { padding: 6px 0; color: var(--text-on-dark); }
.footer-links { display: flex; flex-direction: column; gap: 8px; }
.footer-links a {
  color: var(--text-muted-dark); text-decoration: none; font-size: 0.85rem;
  transition: color 0.2s;
}
.footer-links a:hover { color: #fff; }
.footer-bottom {
  border-top: 1px solid var(--border-dark); padding-top: 20px;
  text-align: center; font-size: 0.75rem;
}

/* ========== REVEAL ANIMATION ========== */
.reveal {
  opacity: 0; transform: translateY(32px);
  transition: opacity 0.8s, transform 0.8s;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ========== RESPONSIVE ========== */
@media(max-width:900px) {
  .profile-layout { grid-template-columns: 1fr; }
  .profile-visual { order: -1; }
  .contact-layout { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
}
@media(max-width:768px) {
  .nav-desktop { display: none; }
  .hamburger { display: block; }
  .nav-mobile { display: flex; }
  .hero-stats { flex-direction: column; gap: 20px; }
  .hero-stat-divider { width: 40px; height: 1px; }
  .hero-title { margin-bottom: 32px; }
  .section { padding: 64px 0; }
  .form-row { grid-template-columns: 1fr; }
  .profile-name { flex-direction: column; gap: 4px; }
  .incident-time { width: 48px; font-size: 1rem; }
  .incident-connector { margin-left: 59px; }
}