:root {
  --ink: #16181d;
  --muted: #5e6673;
  --line: #dce1e8;
  --paper: #ffffff;
  --soft: #f4f7f8;
  --red: #bd1e28;
  --red-dark: #8f141d;
  --teal: #216e6b;
  --cyan: #0f8795;
  --shadow: 0 18px 55px rgba(20, 31, 45, 0.14);
  --max: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  font-family: "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  background: var(--paper);
  line-height: 1.75;
}
img { display: block; max-width: 100%; }
a { color: inherit; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 74px;
  padding: 14px clamp(18px, 4vw, 48px);
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid rgba(220, 225, 232, 0.86);
  backdrop-filter: blur(14px);
}
.brand img { width: 210px; height: auto; }
.nav {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2vw, 28px);
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
}
.nav a { text-decoration: none; }
.nav-contact {
  padding: 9px 16px;
  color: #fff;
  background: var(--red);
  border-radius: 6px;
}

.hero {
  position: relative;
  display: grid;
  min-height: calc(100vh - 74px);
  overflow: hidden;
  background: #11151c;
}
.hero::after {
  position: absolute;
  inset: 0;
  content: "";
  background:
    linear-gradient(90deg, rgba(13, 17, 25, 0.52) 0%, rgba(13, 17, 25, 0.28) 38%, rgba(13, 17, 25, 0.01) 100%),
    linear-gradient(0deg, rgba(13, 17, 25, 0.14), rgba(13, 17, 25, 0));
}
.hero-media,
.hero-media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.hero-media img {
  object-fit: cover;
  object-position: center;
}
.hero-copy {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: center;
  width: min(690px, calc(100% - 36px));
  margin-left: max(18px, calc((100vw - var(--max)) / 2));
  padding: 72px 0 110px;
  color: #fff;
}
.eyebrow {
  margin: 0 0 12px;
  color: var(--red);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}
.hero .eyebrow { color: #ff4d58; }
h1, h2, h3, p { overflow-wrap: anywhere; }
h1 {
  margin: 0;
  font-size: clamp(34px, 4.6vw, 58px);
  line-height: 1.12;
  letter-spacing: 0;
  overflow-wrap: normal;
  word-break: keep-all;
}
.hero h1 {
  font-size: clamp(40px, 5.6vw, 68px);
}
h2 {
  margin: 0;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.18;
  letter-spacing: 0;
}
h3 { margin: 0 0 10px; font-size: 20px; line-height: 1.35; }
.lead {
  max-width: 620px;
  margin: 24px 0 0;
  color: rgba(255, 255, 255, 0.9);
  font-size: clamp(18px, 2.2vw, 24px);
  font-weight: 700;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 22px;
  border: 0;
  border-radius: 6px;
  font: inherit;
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
}
.button.primary { color: #fff; background: var(--red); }
.button.primary:hover, .nav-contact:hover { background: var(--red-dark); }
.button.secondary {
  color: #fff;
  background: rgba(255, 255, 255, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.42);
}

.intro-band {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  padding: 18px;
  color: #fff;
  background: var(--teal);
  text-align: center;
}
.intro-band a { color: #fff; font-weight: 900; text-decoration-thickness: 1px; text-underline-offset: 4px; }

.section {
  width: min(var(--max), calc(100% - 36px));
  margin: 0 auto;
  padding: clamp(36px, 5vw, 60px) 0;
}
.section-heading { max-width: 760px; }
.section-heading p:not(.eyebrow) {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 18px;
}
.service-heading-logo {
  width: min(100%, 360px);
  margin: 0 0 18px;
}
.push-heading-logo {
  width: min(100%, 360px);
}
.company-layout {
  display: grid;
  grid-template-columns: minmax(260px, 0.82fr) 1.18fr;
  gap: 42px;
  margin-top: 22px;
}
.company-summary {
  padding: 32px;
  background: var(--soft);
  border: 1px solid var(--line);
  border-radius: 8px;
}
.company-summary img { width: 250px; margin-bottom: 34px; }
.company-summary p { margin: 0; color: var(--muted); }
.company-list { margin: 0; border-top: 1px solid var(--line); }
.company-list div {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 24px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}
.company-list dt { color: var(--muted); font-size: 14px; font-weight: 800; }
.company-list dd { margin: 0; font-weight: 700; }

.service-section,
.contact-section {
  width: 100%;
  padding-right: max(18px, calc((100vw - var(--max)) / 2));
  padding-left: max(18px, calc((100vw - var(--max)) / 2));
}
.service-section { background: linear-gradient(180deg, #fff 0%, #f5f8fa 100%); }
.service-visual {
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(280px, 0.82fr);
  align-items: end;
  gap: 24px;
  margin-top: 22px;
}
.service-visual-wide {
  grid-template-columns: 1fr;
}
.service-main {
  width: 100%;
  border-radius: 8px;
  box-shadow: var(--shadow);
}
.service-panel {
  margin-bottom: 28px;
  padding: 28px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 12px 35px rgba(20, 31, 45, 0.08);
}
.service-panel img { width: min(100%, 330px); margin: 0 auto 24px; }
.service-panel p,
.feature-grid p,
.push-layout p { margin: 0; color: var(--muted); }
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 18px;
}
.feature-grid article {
  padding: 24px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.push-section { padding-top: clamp(40px, 5vw, 64px); }
.push-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(310px, 0.82fr);
  align-items: center;
  gap: 56px;
}
.push-layout p { font-size: 18px; }
.push-layout .eyebrow {
  margin: 0 0 12px;
  color: var(--red);
  font-size: 13px;
}
.check-list {
  display: grid;
  gap: 12px;
  padding: 0;
  margin: 28px 0 0;
  list-style: none;
}
.check-list li { position: relative; padding-left: 28px; font-weight: 800; }
.check-list li::before {
  position: absolute;
  top: 0.72em;
  left: 0;
  width: 12px;
  height: 12px;
  content: "";
  background: var(--cyan);
  border-radius: 50%;
}
.push-card {
  display: grid;
  gap: 28px;
  padding: 30px;
  background: #10141a;
  border-radius: 8px;
  box-shadow: var(--shadow);
}
.push-card img:last-child { width: 78%; margin: 0 auto; }
.contact-section { background: var(--soft); }
.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(320px, 1.12fr);
  gap: 50px;
}
.mail-link {
  display: inline-block;
  margin-top: 24px;
  color: var(--red);
  font-size: 22px;
  font-weight: 900;
}
.contact-form {
  display: grid;
  gap: 18px;
  padding: 32px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 14px 35px rgba(20, 31, 45, 0.08);
}
.contact-form label {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 800;
}
.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 12px 14px;
  color: var(--ink);
  font: inherit;
  background: #fff;
  border: 1px solid #cbd3dc;
  border-radius: 6px;
}
.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--teal);
  outline: 3px solid rgba(33, 110, 107, 0.16);
}
.form-check {
  display: flex;
  grid-template-columns: none;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-size: 14px;
}
.form-check input {
  width: 18px;
  height: 18px;
  padding: 0;
}
.form-hidden { display: none; }
.result-page {
  display: grid;
  min-height: 100vh;
  place-items: center;
  padding: 24px;
  background: var(--soft);
}
.result-card {
  width: min(640px, 100%);
  padding: clamp(28px, 5vw, 44px);
  background: #fff;
  border: 1px solid var(--line);
  border-top: 6px solid var(--red);
  border-radius: 8px;
  box-shadow: var(--shadow);
}
.result-card.success { border-top-color: var(--teal); }
.result-card h1 {
  margin: 0;
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.2;
}
.result-card p {
  margin: 18px 0 28px;
  color: var(--muted);
  font-size: 18px;
}
.footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 28px clamp(18px, 4vw, 48px);
  color: var(--muted);
  border-top: 1px solid var(--line);
}
.footer img { width: 180px; }
.footer p { margin: 0; font-size: 13px; }

@media (max-width: 880px) {
  .site-header { position: static; align-items: flex-start; flex-direction: column; }
  .nav { flex-wrap: wrap; gap: 10px 18px; white-space: normal; }
  .hero { min-height: 760px; }
  .hero::after { background: linear-gradient(0deg, rgba(13, 17, 25, 0.54), rgba(13, 17, 25, 0.06)); }
  .hero-media img { object-position: 62% center; }
  .hero-copy { justify-content: end; padding-bottom: 74px; }
  .company-layout,
  .service-visual,
  .push-layout,
  .contact-layout { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: 1fr; }
  .service-panel { order: -1; margin-bottom: 0; }
}
@media (max-width: 620px) {
  .brand img { width: 188px; }
  .nav a:not(.nav-contact) { font-size: 13px; }
  .intro-band { align-items: stretch; }
  .company-list div { grid-template-columns: 1fr; gap: 6px; }
  .contact-form,
  .company-summary,
  .service-panel,
  .feature-grid article,
  .push-card { padding: 22px; }
  .mail-link { font-size: 18px; }
  .footer { align-items: flex-start; flex-direction: column; }
}