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

:root {
  /* resitoly-landing風のモダンなモノトーン＋アクセントカラー */
  --color-primary: #09090b; /* ほぼ黒の背景/テキスト */
  --color-secondary: #fafafa; /* ほぼ白の背景 */
  --color-accent: #2563eb; /* 信頼感のあるブルー */
  --color-accent-hover: #1d4ed8;
  --color-text: #09090b;
  --color-text-light: #71717a; /* 落ち着いたグレー */
  --color-bg: #ffffff;
  --color-bg-subtle: #f4f4f5;
  --color-border: #e4e4e7;
  --font-main: "Inter", "Noto Sans JP", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --max-width: 1120px;
  --radius: 0.75rem;
}

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

body {
  font-family: var(--font-main);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
}

/* Header */
.header {
  background-color: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
  transition: all 0.3s ease;
}

.header__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.header__logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-primary);
  text-decoration: none;
  letter-spacing: -0.05em;
}

.header__logo span {
  color: var(--color-accent);
}

.header__nav {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.header__nav a {
  color: var(--color-text-light);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.2s;
}

.header__nav a:hover {
  color: var(--color-primary);
}

/* Hero */
.hero {
  background-color: var(--color-bg);
  background-image: radial-gradient(circle at 15% 50%, rgba(37, 99, 235, 0.05), transparent 25%),
                    radial-gradient(circle at 85% 30%, rgba(37, 99, 235, 0.05), transparent 25%);
  padding: 8rem 1.5rem 6rem;
  text-align: center;
  border-bottom: 1px solid var(--color-border);
}

.hero__title {
  font-size: 3.5rem;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 1.5rem;
  letter-spacing: -0.05em;
  line-height: 1.1;
}

.hero__title span {
  background: linear-gradient(135deg, var(--color-accent), #3b82f6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero__subtitle {
  font-size: 1.25rem;
  color: var(--color-text-light);
  max-width: 650px;
  margin: 0 auto;
  line-height: 1.6;
}

/* Section */
.section {
  padding: 6rem 1.5rem;
  max-width: var(--max-width);
  margin: 0 auto;
  width: 100%;
}

.section--alt {
  background-color: var(--color-bg-subtle);
  max-width: 100%;
  padding-left: 0;
  padding-right: 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.section--alt .section__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section__title {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 3rem;
  text-align: center;
  letter-spacing: -0.02em;
}

/* Services */
.services {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.service-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 2.5rem 2rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
}

.service-card:hover {
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
  transform: translateY(-4px);
  border-color: rgba(37, 99, 235, 0.3);
}

.service-card__icon {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 4rem;
  height: 4rem;
  background-color: var(--color-bg-subtle);
  border-radius: 1rem;
}

.service-card__title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 1rem;
}

.service-card__desc {
  font-size: 1rem;
  color: var(--color-text-light);
  line-height: 1.6;
}

/* Company Info */
.company-table {
  width: 100%;
  max-width: 800px;
  margin: 0 auto;
  border-collapse: collapse;
  background: var(--color-bg);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
  border: 1px solid var(--color-border);
}

.company-table tr:not(:last-child) {
  border-bottom: 1px solid var(--color-border);
}

.company-table th,
.company-table td {
  padding: 1.25rem 1.5rem;
  text-align: left;
  font-size: 0.95rem;
}

.company-table th {
  width: 30%;
  color: var(--color-text-light);
  font-weight: 600;
  background-color: var(--color-bg-subtle);
}

.company-table td {
  color: var(--color-primary);
  font-weight: 500;
}

.company-table td a {
  color: var(--color-accent);
  text-decoration: none;
  font-weight: 500;
}

.company-table td a:hover {
  text-decoration: underline;
}

/* Contact */
.contact__content {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 4rem 2rem;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

.contact__text {
  text-align: center;
  margin-bottom: 2rem;
  color: var(--color-text-light);
  font-size: 1.1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 2rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 0.5rem;
  transition: all 0.2s;
  text-decoration: none;
  cursor: pointer;
}

.btn--primary {
  background-color: var(--color-primary);
  color: white;
  border: 1px solid transparent;
}

.btn--primary:hover {
  background-color: var(--color-text-light);
  transform: translateY(-1px);
}

/* Footer */
.footer {
  background-color: var(--color-primary);
  color: var(--color-bg-subtle);
  padding: 4rem 1.5rem;
  border-top: 1px solid var(--color-border);
}

.footer__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
}

.footer__logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: white;
  text-decoration: none;
  letter-spacing: -0.05em;
}

.footer__logo span {
  color: var(--color-accent);
}

.footer__links {
  list-style: none;
  display: flex;
  gap: 2rem;
}

.footer__links a {
  color: var(--color-text-light);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.2s;
}

.footer__links a:hover {
  color: white;
}

.footer__copy {
  color: var(--color-text-light);
  font-size: 0.85rem;
}

/* Privacy Policy Page */
.policy {
  max-width: 800px;
  margin: 0 auto;
  padding: 4rem 1.5rem 6rem;
}

.policy h1 {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
  letter-spacing: -0.05em;
}

.policy__date {
  color: var(--color-text-light);
  font-size: 0.95rem;
  margin-bottom: 3rem;
  display: block;
}

.policy h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-top: 3rem;
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--color-border);
}

.policy p {
  margin-bottom: 1.25rem;
  line-height: 1.8;
  color: var(--color-text);
}

.policy ul, .policy ol {
  margin-bottom: 1.5rem;
  padding-left: 1.5rem;
  color: var(--color-text);
  line-height: 1.8;
}

.policy li {
  margin-bottom: 0.5rem;
}

/* Responsive */
@media (max-width: 768px) {
  .hero {
    padding: 6rem 1rem 4rem;
  }

  .hero__title {
    font-size: 2.5rem;
  }

  .section {
    padding: 4rem 1rem;
  }

  .section__title {
    font-size: 1.75rem;
    margin-bottom: 2rem;
  }

  .company-table th, .company-table td {
    display: block;
    width: 100%;
  }

  .company-table th {
    border-bottom: none;
    padding-bottom: 0.5rem;
  }

  .company-table td {
    padding-top: 0;
  }
}