:root {
  --ink: #132033;
  --muted: #6f6670;
  --line: #ead9d5;
  --soft: #fff6f3;
  --white: #ffffff;
  --navy: #111f34;
  --blue: #d65355;
  --cyan: #f08478;
  --green: #ffb6a9;
  --shadow: 0 20px 60px rgba(70, 30, 38, 0.12);
  --radius: 8px;
  --max: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  font-family: "Segoe UI", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  background: var(--white);
  line-height: 1.8;
}
body.nav-open {
  overflow: hidden;
  touch-action: none;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1000;
  width: 100%;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(20px, 4vw, 48px);
  color: var(--white);
  transition: background 0.25s ease, color 0.25s ease, box-shadow 0.25s ease;
}
.site-header.is-scrolled, .site-header.is-open {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 12px 36px rgba(70, 30, 38, 0.1);
  backdrop-filter: blur(14px);
}
.brand { display: inline-flex; align-items: center; font-weight: 800; line-height: 1; }
.brand-logo {
  width: 54px;
  height: 54px;
  object-fit: contain;
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 10px 28px rgba(4, 16, 28, 0.18);
}
.site-nav { display: flex; align-items: center; gap: clamp(16px, 2.1vw, 30px); font-size: 0.9rem; font-weight: 800; }
.site-nav a { position: relative; padding: 8px 0; }
.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 3px;
  width: 100%;
  height: 2px;
  background: var(--green);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.2s ease;
}
.site-nav a:hover::after, .site-nav a:focus-visible::after { transform: scaleX(1); transform-origin: left; }
.menu-button { display: none; }

.hero {
  position: relative;
  min-height: min(760px, calc(100svh - 54px));
  overflow: hidden;
  color: var(--white);
  background: var(--navy);
}
.hero-bg, .hero-overlay { position: absolute; inset: 0; }
.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: saturate(0.95) contrast(1.03);
}
.hero-overlay {
  background:
    linear-gradient(90deg, rgba(5, 20, 38, 0.92) 0%, rgba(5, 20, 38, 0.68) 43%, rgba(5, 20, 38, 0.22) 100%),
    linear-gradient(0deg, rgba(5, 20, 38, 0.56), rgba(5, 20, 38, 0.12) 45%, rgba(5, 20, 38, 0.5));
  pointer-events: none;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(90deg, #000 0%, transparent 72%);
  opacity: 0.28;
  pointer-events: none;
}
.scan-line {
  position: absolute;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(240, 132, 120, 0.95), transparent);
  opacity: 0.7;
  animation: scan 6s linear infinite;
}
.scan-line-1 { top: 28%; }
.scan-line-2 { top: 62%; animation-delay: -2.5s; }
.sensor-beam {
  position: absolute;
  right: 18%;
  top: 16%;
  width: 28vw;
  height: 54vw;
  max-height: 560px;
  background: linear-gradient(145deg, rgba(240, 132, 120, 0), rgba(240, 132, 120, 0.16), rgba(255, 182, 169, 0.18));
  clip-path: polygon(75% 0, 100% 0, 42% 100%, 0 100%);
  opacity: 0.8;
  mix-blend-mode: screen;
}
.hero-inner {
  position: relative;
  z-index: 2;
  width: min(var(--max), calc(100% - 40px));
  min-height: inherit;
  margin: 0 auto;
  padding: 112px 0 72px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  align-items: end;
  gap: 40px;
}
.hero-content { max-width: 720px; }
.eyebrow {
  margin: 0 0 16px;
  color: var(--blue);
  font-size: 0.78rem;
  font-weight: 900;
  line-height: 1.2;
  text-transform: uppercase;
}
.hero .eyebrow, .contact-section .eyebrow { color: var(--green); }
h1, h2, h3, p { overflow-wrap: anywhere; }
h1 { margin: 0; font-size: clamp(3rem, 8vw, 7.8rem); line-height: 0.98; letter-spacing: 0; }
.hero-copy {
  margin: 24px 0 0;
  color: var(--white);
  font-size: clamp(1.18rem, 3.05vw, 2.72rem);
  font-weight: 900;
  line-height: 1.25;
  overflow-wrap: normal;
  white-space: nowrap;
}
.hero-text { max-width: 640px; margin: 24px 0 0; color: rgba(255, 255, 255, 0.88); font-size: clamp(1rem, 1.4vw, 1.13rem); }
.hero-line { white-space: nowrap; }
.mobile-only { display: none; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 36px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 12px 24px;
  border: 1px solid transparent;
  border-radius: 6px;
  cursor: pointer;
  font-weight: 900;
  line-height: 1.3;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}
.button::after { content: "\2192"; margin-left: 12px; }
.button:hover, .button:focus-visible { transform: translateY(-2px); box-shadow: 0 14px 34px rgba(11, 31, 54, 0.18); }
.button-primary { color: var(--navy); background: var(--green); }
.button-secondary { color: var(--white); border-color: rgba(255, 255, 255, 0.5); background: rgba(255, 255, 255, 0.08); }
.button:disabled { cursor: wait; opacity: 0.65; transform: none; }
.hero-panel {
  align-self: end;
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: var(--radius);
  background: rgba(6, 22, 40, 0.62);
  box-shadow: 0 22px 80px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(14px);
}
.panel-label { margin: 0 0 18px; color: rgba(255, 255, 255, 0.66); font-size: 0.78rem; font-weight: 900; text-transform: uppercase; }
.meter-list { display: grid; gap: 18px; }
.meter-list span { display: grid; gap: 8px; }
.meter-list b { font-size: 0.82rem; }
.meter-list i {
  display: block;
  height: 8px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--cyan) var(--value), rgba(255, 255, 255, 0.16) var(--value));
}

.section, .intro-section, .vision-section, .contact-section { padding: clamp(72px, 10vw, 128px) 0; }
.intro-section { background: var(--white); }
.section-muted {
  background:
    linear-gradient(180deg, rgba(255, 246, 243, 0.96), rgba(255, 246, 243, 1)),
    repeating-linear-gradient(90deg, transparent 0 28px, rgba(214, 83, 85, 0.07) 28px 29px);
}
.section-inner { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }
.two-column { display: grid; grid-template-columns: minmax(520px, 0.95fr) minmax(0, 1fr); gap: clamp(28px, 5vw, 58px); }
.section-heading h2, .vision-text h2, .contact-copy h2 {
  margin: 0;
  font-size: clamp(2rem, 4.7vw, 4rem);
  line-height: 1.22;
  letter-spacing: 0;
}
#about-title,
#contact-title {
  overflow-wrap: normal;
  word-break: keep-all;
}
.title-line {
  display: inline-block;
  white-space: nowrap;
}
.section-heading.center { max-width: 760px; margin: 0 auto 46px; text-align: center; }
.section-heading:not(.center) { margin-bottom: 40px; }
.section-body { color: var(--muted); font-size: 1.05rem; }
.section-body p, .vision-text p, .contact-copy p { margin: 0 0 18px; }
.section-body p:last-child, .vision-text p:last-child, .contact-copy p:last-child { margin-bottom: 0; }
.grid { display: grid; gap: 22px; }
.cards-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.cards-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.issue-card, .service-card, .case-card {
  position: relative;
  min-height: 100%;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: 0 12px 40px rgba(70, 30, 38, 0.07);
}
.issue-card { display: flex; align-items: center; gap: 18px; }
.issue-card::before, .service-card::before, .case-card::before, .strength-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, var(--blue), var(--cyan), var(--green));
  border-radius: var(--radius) 0 0 var(--radius);
}
.card-number { flex: 0 0 auto; color: var(--blue); font-weight: 900; font-size: 0.82rem; }
.issue-card p { margin: 0; font-weight: 900; line-height: 1.55; }
.service-card { padding: 32px; }
.service-icon {
  display: grid;
  width: 54px;
  height: 54px;
  place-items: center;
  margin-bottom: 24px;
  border: 1px solid #f2c9c2;
  border-radius: 8px;
  background: #fff1ee;
  color: var(--blue);
  font-size: 0.82rem;
  font-weight: 900;
}
.service-card h3, .case-card h3, .strength-item h3 { margin: 0 0 12px; font-size: clamp(1.2rem, 2vw, 1.5rem); line-height: 1.45; }
.strength-item h3.keep-one-line { font-size: clamp(1.05rem, 1.7vw, 1.42rem); white-space: nowrap; }
.service-card p, .case-card p, .case-card li, .strength-item p { margin: 0; color: var(--muted); }
.case-card ul { margin: 14px 0 0; padding: 0; list-style: none; }
.case-card li { position: relative; padding-left: 18px; }
.case-card li::before { content: ""; position: absolute; left: 0; top: 0.88em; width: 7px; height: 7px; border-radius: 50%; background: var(--cyan); }
.case-tag { display: inline-flex; margin-bottom: 18px; color: var(--blue); font-size: 0.78rem; font-weight: 900; }

.vision-section {
  overflow: hidden;
  color: var(--white);
  background:
    radial-gradient(circle at 78% 20%, rgba(240, 132, 120, 0.2), transparent 30%),
    linear-gradient(135deg, #121827, #2a3147 56%, #251d2d);
}
.vision-layout { display: grid; grid-template-columns: 340px minmax(0, 1fr); align-items: center; gap: clamp(34px, 7vw, 90px); }
.vision-graphic { position: relative; aspect-ratio: 1; border: 1px solid rgba(255, 255, 255, 0.24); border-radius: 50%; overflow: hidden; }
.vision-graphic::before { content: ""; position: absolute; inset: 16%; border: 1px dashed rgba(255, 255, 255, 0.34); border-radius: 50%; }
.orbit { position: absolute; border-radius: 50%; }
.orbit-1 { inset: 9%; border: 2px solid rgba(240, 132, 120, 0.72); animation: rotate 18s linear infinite; }
.orbit-2 { inset: 24%; border: 2px solid rgba(255, 182, 169, 0.72); animation: rotate 12s linear infinite reverse; }
.orbit-1::after, .orbit-2::after { content: ""; position: absolute; width: 12px; height: 12px; border-radius: 50%; background: var(--green); }
.orbit-1::after { top: 12%; right: 12%; }
.orbit-2::after { left: 9%; bottom: 9%; background: var(--cyan); }
.vision-core {
  position: absolute;
  inset: 36%;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.96);
  color: var(--navy);
  font-size: 0.82rem;
  font-weight: 900;
  line-height: 1.15;
  text-align: center;
}
.vision-text { max-width: 720px; }
.vision-text p { color: rgba(255, 255, 255, 0.82); }

.strength-list { display: grid; gap: 18px; }
.strength-item {
  position: relative;
  display: grid;
  grid-template-columns: 80px minmax(180px, 0.48fr) minmax(0, 1fr);
  gap: 22px;
  align-items: start;
  padding: 28px 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
}
.strength-item span { color: var(--blue); font-size: 1.35rem; font-weight: 900; line-height: 1; }

.contact-section {
  color: var(--white);
  background:
    linear-gradient(135deg, rgba(18, 24, 39, 0.96), rgba(58, 37, 52, 0.94)),
    url("assets/hero-automation.png") center / cover;
}
.contact-layout { display: grid; grid-template-columns: minmax(520px, 0.95fr) minmax(0, 1fr); gap: clamp(28px, 5vw, 58px); align-items: start; }
.contact-copy p { color: rgba(255, 255, 255, 0.8); }
.contact-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  padding: clamp(22px, 4vw, 36px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.96);
  color: var(--ink);
  box-shadow: var(--shadow);
}
.contact-form label { display: grid; gap: 8px; color: var(--ink); font-weight: 900; }
.contact-form .full { grid-column: 1 / -1; }
.contact-form input, .contact-form textarea {
  width: 100%;
  border: 1px solid #e4d2ce;
  border-radius: 6px;
  background: #fffaf8;
  color: var(--ink);
  outline: none;
  padding: 12px 14px;
  transition: border 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}
.contact-form textarea { resize: vertical; min-height: 150px; }
.contact-form input:focus, .contact-form textarea:focus {
  border-color: var(--blue);
  background: var(--white);
  box-shadow: 0 0 0 4px rgba(214, 83, 85, 0.14);
}
.contact-form .button { width: 100%; border: none; }
.form-hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-message { grid-column: 1 / -1; min-height: 1.5em; margin: 0; color: var(--blue); font-weight: 900; }
.form-message.is-error { color: #b94442; }

.site-footer { display: grid; gap: 16px; justify-items: center; padding: 42px 20px; color: rgba(255, 255, 255, 0.82); text-align: center; background: #111827; }
.footer-brand .brand-logo { width: 78px; height: 78px; box-shadow: none; }
.site-footer p, .site-footer small { margin: 0; }
.reveal { opacity: 1; transform: none; transition: opacity 0.65s ease, transform 0.65s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

@keyframes scan {
  0% { transform: translateY(-42px); opacity: 0; }
  18%, 75% { opacity: 0.72; }
  100% { transform: translateY(180px); opacity: 0; }
}
@keyframes rotate { to { transform: rotate(360deg); } }

@media (max-width: 980px) {
  .site-header { height: 66px; }
  .menu-button {
    position: relative;
    z-index: 1001;
    display: grid;
    width: 44px;
    height: 44px;
    place-items: center;
    border: 1px solid currentColor;
    border-radius: 6px;
    color: inherit;
    background: transparent;
    cursor: pointer;
  }
  .menu-button span:not(.sr-only) { display: block; width: 20px; height: 2px; background: currentColor; transition: transform 0.2s ease, opacity 0.2s ease; }
  .menu-button[aria-expanded="true"] span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
  .menu-button[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .menu-button[aria-expanded="true"] span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }
  .site-nav {
    position: fixed;
    inset: 0;
    z-index: 999;
    display: grid;
    grid-auto-rows: minmax(54px, auto);
    align-content: start;
    justify-items: stretch;
    gap: 10px;
    width: 100%;
    height: 100vh;
    height: 100svh;
    height: 100dvh;
    padding: calc(86px + env(safe-area-inset-top)) 24px calc(24px + env(safe-area-inset-bottom));
    overflow-y: auto;
    overscroll-behavior: contain;
    color: var(--ink);
    background: var(--white);
    transform: translateX(100%);
    transition: transform 0.25s ease;
  }
  .site-nav.is-open { transform: translateX(0); }
  .site-nav a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: min(100%, 520px);
    min-height: 54px;
    margin: 0 auto;
    padding: 12px 18px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--white);
    box-shadow: 0 10px 28px rgba(70, 30, 38, 0.08);
    font-size: 1.05rem;
    line-height: 1.3;
    text-align: center;
    white-space: nowrap;
  }
  .site-nav a::after { display: none; }
  .hero { min-height: auto; }
  .hero-inner { min-height: 760px; grid-template-columns: 1fr; align-content: end; padding: 96px 0 54px; }
  .hero-panel { max-width: 420px; }
  .two-column, .vision-layout, .contact-layout { grid-template-columns: 1fr; }
  .vision-graphic {
    width: min(300px, 72vw);
    justify-self: center;
    margin-inline: auto;
  }
  .strength-item { grid-template-columns: 64px 1fr; }
  .strength-item p { grid-column: 2; }
}

@media (max-width: 760px) {
  .cards-3, .cards-2, .contact-form { grid-template-columns: 1fr; }
  .hero-bg img { object-position: 58% center; }
  .hero-inner { width: min(100% - 32px, var(--max)); min-height: 720px; }
  .hero-copy { margin-top: 18px; }
  .mobile-only { display: block; }
  .hero-actions { display: grid; }
  .button { width: 100%; }
  .hero-panel { display: none; }
  .section-inner { width: min(100% - 32px, var(--max)); }
  .section-heading.center { text-align: left; }
  .issue-card, .service-card, .case-card, .strength-item, .contact-form { padding: 22px; }
  .strength-item { grid-template-columns: 1fr; gap: 12px; }
  .strength-item p { grid-column: auto; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}