:root {
  --bg: #f4f6fa;
  --bg-deep: #eef2f8;
  --surface: rgba(255, 255, 255, 0.86);
  --surface-strong: #ffffff;
  --line: rgba(18, 34, 66, 0.14);
  --line-soft: rgba(18, 34, 66, 0.08);
  --text: #2f3543;
  --text-muted: #4b5363;
  --accent: #4b5565;
  --focus: #2f6de0;

  --radius: 16px;
  --radius-sm: 10px;
  --container: 1140px;

  --space-1: 0.5rem;
  --space-2: 0.75rem;
  --space-3: 1rem;
  --space-4: 1.5rem;
  --space-5: 2rem;
  --space-6: 3rem;
  --space-7: 4rem;

  --font-sans: "Hiragino Kaku Gothic ProN", "Yu Gothic", "Meiryo", sans-serif;
  --font-serif: "Hiragino Mincho ProN", "Yu Mincho", "Noto Serif JP", serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(820px 520px at -6% -10%, rgba(122, 151, 211, 0.2), transparent 72%),
    radial-gradient(920px 560px at 104% 2%, rgba(89, 127, 201, 0.17), transparent 74%),
    radial-gradient(980px 680px at 50% 120%, rgba(151, 174, 217, 0.2), transparent 76%),
    var(--bg);
  font-family: var(--font-sans);
  line-height: 1.75;
  min-height: 100vh;
  position: relative;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    radial-gradient(140% 100% at 0% 0%, transparent 64%, rgba(52, 82, 135, 0.03) 64.4%, transparent 65.2%),
    radial-gradient(130% 95% at 100% 8%, transparent 68%, rgba(52, 82, 135, 0.024) 68.4%, transparent 69.2%),
    radial-gradient(120% 90% at 10% 100%, transparent 72%, rgba(52, 82, 135, 0.024) 72.4%, transparent 73.2%),
    radial-gradient(150% 110% at 100% 100%, transparent 76%, rgba(52, 82, 135, 0.02) 76.4%, transparent 77.2%);
  background-repeat: no-repeat;
  pointer-events: none;
  z-index: -3;
}

.bg-blur {
  position: fixed;
  border-radius: 999px;
  filter: blur(90px);
  opacity: 0.4;
  pointer-events: none;
  z-index: -2;
}

.bg-blur-1 {
  width: min(45vw, 480px);
  height: min(45vw, 480px);
  top: -12%;
  left: -10%;
  background: rgba(124, 155, 222, 0.46);
}

.bg-blur-2 {
  width: min(42vw, 420px);
  height: min(42vw, 420px);
  right: -10%;
  bottom: 6%;
  background: rgba(149, 182, 228, 0.4);
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
  border-radius: 6px;
}

.container {
  width: min(var(--container), calc(100% - 2.8rem));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(12px);
  background: rgba(248, 250, 255, 0.8);
  border-bottom: 1px solid var(--line-soft);
}

.header-inner {
  min-height: 66px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.site-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
}

.site-brand-mark {
  display: none;
}

.site-brand-text {
  font-family: var(--font-serif);
  letter-spacing: 0.03em;
  font-size: 1.18rem;
  font-weight: 800;
  color: #3f4755;
}

.site-nav {
  display: inline-flex;
  align-items: center;
  gap: 1.25rem;
}

.site-nav a,
.footer-nav a {
  font-size: 0.84rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.site-nav a:hover,
.footer-nav a:hover {
  color: var(--accent);
}

.hero {
  padding: clamp(4.5rem, 9vw, 7.2rem) 0 clamp(3.2rem, 7vw, 5.2rem);
}

.hero-inner {
  max-width: 780px;
}

.hero-kicker {
  margin: 0 0 var(--space-2);
  color: var(--text-muted);
  font-size: 0.86rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  font-family: var(--font-sans);
  font-size: 1.06rem;
  font-weight: 600;
  letter-spacing: 0;
  line-height: 1.4;
}

h1 {
  font-size: clamp(2rem, 5vw, 3.35rem);
  max-width: 18ch;
}

.hero-lead {
  margin: var(--space-4) 0 0;
  color: var(--text-muted);
  font-size: clamp(1rem, 2vw, 1.08rem);
  max-width: 58ch;
}

.section {
  padding: clamp(3rem, 6vw, 5rem) 0;
}

.section-head {
  margin-bottom: var(--space-5);
}

.section-label {
  margin: 0;
  line-height: 0.1;
  color: var(--text-muted);
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

h2 {
  font-size: clamp(1.45rem, 3.2vw, 2.1rem);
}

.card {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(255, 255, 255, 0.84));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 18px 40px rgba(23, 44, 82, 0.08);
}

.brands-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

.brand-card {
  display: flex;
  flex-direction: column;
  gap: 0.95rem;
  padding: 1.45rem;
}

.brand-logo-wrap {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #ffffff;
  border: 1px solid rgba(18, 34, 66, 0.1);
  border-radius: var(--radius-sm);
  padding: 0.8rem 0.9rem;
  min-height: 112px;
}

.brand-logo {
  width: 336px;
  height: 84px;
  object-fit: contain;
  object-position: center center;
}

h3 {
  font-family: var(--font-sans);
  font-size: 1.06rem;
  font-weight: 600;
  letter-spacing: 0;
  line-height: 1.4;
}

.brand-catch {
  margin: 0;
  color: var(--accent);
  font-size: 0.98rem;
}

.brand-card p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.button {
  margin-top: auto;
  width: fit-content;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0.45rem 0.95rem;
  border-radius: 999px;
  border: 1px solid rgba(18, 34, 66, 0.26);
  color: var(--accent);
  background: rgba(255, 255, 255, 0.82);
  font-size: 0.84rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.button:hover {
  background: #ffffff;
  border-color: rgba(18, 34, 66, 0.45);
}

.profile-card {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  padding: var(--space-4);
  align-items: center;
}

.profile-photo {
  width: min(100%, 210px);
  margin-inline: auto;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border-radius: 14px;
  border: 1px solid var(--line);
}

.profile-body h3 {
  font-family: var(--font-sans);
  font-size: 1.06rem;
  font-weight: 600;
  letter-spacing: 0;
  line-height: 1.4;
}

.profile-body p {
  margin: 0;
  color: var(--text-muted);
}

.profile-body p + p {
  margin-top: var(--space-3);
}

.company-card {
  padding: 1.2rem 1.4rem;
}

.company-list {
  display: grid;
  grid-template-columns: minmax(130px, 180px) 1fr;
  margin: 0;
}

.company-list dt,
.company-list dd {
  margin: 0;
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--line-soft);
}

.company-list dt {
  color: var(--accent);
  font-weight: 600;
}

.company-list dd {
  color: var(--text-muted);
  padding-left: 1.2rem;
}

.site-footer {
  padding: var(--space-5) 0;
  border-top: 1px solid var(--line-soft);
  background: rgba(249, 251, 255, 0.84);
  backdrop-filter: blur(10px);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.footer-inner p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.84rem;
}

.footer-nav {
  display: inline-flex;
  gap: 1rem;
}

@media (min-width: 720px) {
  .brands-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .brands-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .profile-card {
    grid-template-columns: minmax(210px, 260px) 1fr;
    gap: var(--space-5);
  }
}

@media (max-width: 680px) {
  .container {
    width: min(var(--container), calc(100% - 1.5rem));
  }

  .header-inner {
    min-height: 58px;
  }

  .site-nav {
    gap: 0.75rem;
  }

  .site-nav a,
  .footer-nav a {
    font-size: 0.75rem;
  }

  .company-list {
    grid-template-columns: 1fr;
  }

  .company-list dd {
    padding-left: 0;
    padding-top: 0.35rem;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}