:root {
  color-scheme: light;
  --bg: #fffce3;
  --surface: #fff9d2;
  --text: #162536;
  --text-muted: #4f5d6a;
  --primary: #f9e547;
  --primary-dark: #d4c62b;
  --accent: #0b2645;
  --accent-soft: #1d4974;
  --green: #2f8f55;
  --border: #dde4ed;
  --shadow: 0 16px 40px rgba(11, 38, 69, 0.08);
}

* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  font-family: "Yu Gothic UI", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
}
img {
  max-width: 100%;
  display: block;
}
button,
a {
  text-decoration: none;
}
.container {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(13, 30, 56, 0.06);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 0;
}
.header-phone {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--primary);
  border-radius: 999px;
  padding: 12px 20px;
  box-shadow: 0 8px 20px rgba(11, 38, 69, 0.12);
}
.header-phone a {
  color: var(--accent);
  font-weight: 700;
  font-size: 0.98rem;
}
@media (max-width: 720px) {
  .site-nav {
    justify-content: center;
  }
  .hero {
    padding-top: 60px;
  }
  .header-inner {
    flex-direction: column;
    align-items: flex-start;
  }
  .btn {
    width: 100%;
  }
  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}
.brand {
  display: flex;
  flex-direction: column;
}
.brand-mark {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--accent);
}
.site-nav {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}
.site-nav a {
  font-size: 0.95rem;
  color: var(--text-muted);
}
.site-nav a:hover {
  color: var(--accent);
}
.hero {
  background: linear-gradient(180deg, #fff8b9 0%, #fff9d2 100%);
  padding: 88px 0 64px;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.2fr 0.9fr;
  gap: 42px;
  align-items: center;
}
.eyebrow {
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 16px;
}
.hero h1 {
  font-size: clamp(2.4rem, 3vw, 3.6rem);
  margin: 0;
  line-height: 1.05;
}
.hero-text {
  max-width: 680px;
  margin: 24px 0 32px;
  color: var(--text-muted);
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 24px;
  border-radius: 999px;
  font-weight: 700;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.btn:hover {
  transform: translateY(-2px);
}
.btn-primary {
  background: var(--accent);
  color: #ffffff;
}
.btn-secondary {
  background: var(--green);
  color: #ffffff;
  border: 2px solid transparent;
}
.btn-secondary:hover {
  background: var(--accent-soft);
}
.hero-visual {
  display: flex;
  justify-content: center;
}
.photo-card {
  border-radius: 30px;
  background: #ffffff;
  box-shadow: var(--shadow);
  overflow: hidden;
}
.photo-card svg {
  display: block;
  width: 100%;
  height: auto;
}
.photo-large {
  width: 100%;
  max-width: 520px;
}
.photo-medium {
  width: 100%;
  max-width: 560px;
}
.hero-card {
  display: none;
}
.section {
  padding: 72px 0;
}
.profile-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 28px;
  align-items: center; /* start → center に変更 */
}
.company-info {
  display: grid;
  gap: 18px;
}
.company-info div {
  display: grid;
  gap: 8px;
  padding: 18px 20px;
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 18px;
}
.company-info dt {
  font-weight: 700;
  color: var(--accent);
}
.company-info dd {
  margin: 0;
  color: var(--text-muted);
  line-height: 1.6;
}
.section-header {
  margin-bottom: 42px;
}
.section-header.light h2,
.section-header.light p {
  color: #ffffff;
}
.section-label {
  display: inline-block;
  padding: 8px 16px;
  border-radius: 999px;
  background: var(--primary);
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 16px;
}
.section h2 {
  font-size: clamp(2rem, 2.5vw, 2.8rem);
  margin: 0;
  letter-spacing: -0.04em;
}
.section-title {
  display: inline-block;
  padding: 10px 18px;
  border-radius: 18px;
  background: rgba(249, 229, 71, 0.24);
}
.about-grid,
.work-grid,
.reason-grid,
.recruit-grid {
  display: grid;
  gap: 24px;
}
.about-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.about-card {
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 28px;
  box-shadow: var(--shadow);
}
.about-card h3 {
  margin-top: 0;
  color: var(--accent);
}
.work-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.work-card {
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 30px;
  box-shadow: var(--shadow);
}
.work-icon {
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  background: var(--primary);
  border-radius: 16px;
  margin-bottom: 18px;
  font-size: 1.35rem;
}
.work-card h3 {
  margin-bottom: 14px;
}
.recruit {
  background: var(--accent);
  color: #ffffff;
}
.recruit-grid {
  grid-template-columns: 1.2fr 0.8fr;
  align-items: start;
}
.recruit-copy h3 {
  color: #ffffff;
}
.recruit-copy ul {
  padding-left: 20px;
  color: #e3f5d8;
}
.recruit-copy li {
  margin-bottom: 12px;
}
.recruit-box {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 24px;
  padding: 28px;
}
.highlight {
  display: inline-flex;
  align-items: center;
  padding: 10px 16px;
  border-radius: 999px;
  background: var(--primary);
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 16px;
}
.reasons {
  background: var(--surface);
}
.reason-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.reason-card {
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 28px;
  box-shadow: var(--shadow);
}
.reason-card h3 {
  color: var(--green);
}
.contact-body {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 28px;
  align-items: start;
}
.contact-copy p {
  color: var(--text-muted);
}
.site-footer {
  background: linear-gradient(135deg, #0b2645 0%, #11335f 100%);
  color: #ffffff;
  padding: 28px 0;
}
.contact-form {
  background: #ffffff;
  border-radius: 24px;
  padding: 24px;
  box-shadow: var(--shadow);
}
.form-frame {
  min-height: auto;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 0;
}
.form-frame iframe {
  width: 100%;
  height: 100%;
  border: none;
}
.site-footer {
  background: var(--accent);
  color: #ffffff;
  padding: 28px 0;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: center;
}
.footer-title {
  font-weight: 700;
  margin: 0 0 8px;
}
.footer-note {
  color: rgba(255, 255, 255, 0.8);
  margin: 0;
}
@media (max-width: 950px) {
  .hero-inner,
  .recruit-grid,
  .contact-body {
    grid-template-columns: 1fr;
  }
  .about-grid,
  .work-grid,
  .reason-grid {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 720px) {
  .site-nav {
    justify-content: center;
  }
  .hero {
    padding-top: 60px;
  }
  .header-inner {
    flex-direction: column;
    align-items: flex-start;
  }
  .btn {
    width: 100%;
  }
  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}