/* ==========================================================================
   株式会社イチマルゴ (ICHIMARUGO CO., LTD.)
   Official Corporate Website - Design System & Custom Styles
   ========================================================================== */

:root {
  --color-primary: #0f2b5c;       /* Japanese Trust Navy */
  --color-primary-light: #1e40af;
  --color-accent: #0d9488;        /* Care Jade Green */
  --color-accent-light: #14b8a6;
  --color-text-main: #1e293b;     /* Slate 800 */
  --color-text-muted: #64748b;    /* Slate 500 */
  --color-bg-light: #f8fafc;      /* Slate 50 */
  --color-border: #e2e8f0;        /* Slate 200 */
}

/* Base Typography & Japanese Typesetting */
html {
  scroll-behavior: smooth;
  font-family: 'Noto Sans JP', 'Hiragino Sans', 'Hiragino Kaku Gothic ProN', 'Yu Gothic', 'Meiryo', sans-serif;
  font-feature-settings: "palt" 1;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  color: var(--color-text-main);
  background-color: #ffffff;
  line-height: 1.85;
}

/* Serif font for elegant Japanese headings */
.font-mincho {
  font-family: 'Shippori Mincho', 'Yu Mincho', 'Hiragino Mincho ProN', serif;
}

/* Number / Latin font */
.font-latin {
  font-family: 'Plus Jakarta Sans', 'Inter', -apple-system, sans-serif;
}

/* Japanese Corporate Table (会社概要テーブル) */
.corporate-table th {
  background-color: #f8fafc;
  color: #334155;
  font-weight: 600;
  border-bottom: 1px solid var(--color-border);
  padding: 1.1rem 1.25rem;
  width: 28%;
  vertical-align: top;
  letter-spacing: 0.05em;
}

.corporate-table td {
  border-bottom: 1px solid var(--color-border);
  padding: 1.1rem 1.25rem;
  color: #1e293b;
  vertical-align: top;
}

@media (max-width: 640px) {
  .corporate-table th,
  .corporate-table td {
    display: block;
    width: 100%;
    padding: 0.75rem 1rem;
  }
  .corporate-table th {
    border-bottom: none;
    padding-bottom: 0.25rem;
    font-size: 0.875rem;
    color: #475569;
  }
}

/* Trust Badges Bar */
.trust-stat-card {
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.trust-stat-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px -5px rgba(15, 43, 92, 0.08);
}

/* Japanese Service Card */
.service-card {
  transition: all 0.25s ease;
  border: 1px solid #e2e8f0;
}
.service-card:hover {
  border-color: #cbd5e1;
  box-shadow: 0 12px 30px -8px rgba(15, 43, 92, 0.1);
  transform: translateY(-3px);
}

/* Form Styles */
.form-input {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 1px solid #cbd5e1;
  border-radius: 0.375rem;
  background-color: #ffffff;
  transition: border-color 0.2s, box-shadow 0.2s;
  font-size: 0.95rem;
}
.form-input:focus {
  outline: none;
  border-color: #1e40af;
  box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.12);
}

/* Mobile Nav Drawer */
#mobile-menu {
  transition: opacity 0.25s ease, transform 0.25s ease;
}

/* Back to Top Button */
#back-to-top {
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.2s ease;
}
#back-to-top.show {
  opacity: 1;
  visibility: visible;
}
#back-to-top:hover {
  transform: translateY(-3px);
}

/* Subtle Grid Pattern for Hero */
.bg-grid-pattern {
  background-image: radial-gradient(rgba(15, 43, 92, 0.07) 1px, transparent 1px);
  background-size: 24px 24px;
}