/* ==========================================================================
   Foundation — Reset & CSS Variables
   ========================================================================== */

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

:root {
  /* Colors — Trust Blue palette */
  --color-main:        #1A5FA8;
  --color-main-dark:   #144d8a;
  --color-main-light:  #E8F0FB;
  --color-accent:      #F5A623;
  --color-accent-dark: #d4891a;
  --color-accent-light:#fff3e0;
  --color-dark:        #1A1A2E;
  --color-text:        #1A1A2E;
  --color-text-muted:  #5a6a8a;
  --color-bg:          #ffffff;
  --color-bg-alt:      #f4f7fc;
  --color-border:      #d0dcea;
  --color-white:       #ffffff;

  /* Typography */
  --font-base:    'Noto Sans JP', sans-serif;
  --font-serif:   'Playfair Display', serif;
  --font-size-xs: 0.75rem;   /* 12px */
  --font-size-sm: 0.875rem;  /* 14px */
  --font-size-md: 1rem;      /* 16px */
  --font-size-lg: 1.125rem;  /* 18px */
  --font-size-xl: 1.5rem;    /* 24px */
  --font-size-2xl: 2rem;     /* 32px */
  --font-size-3xl: clamp(1.75rem, 4vw, 2.5rem);
  --font-size-hero: clamp(1.875rem, 5vw, 3.25rem);
  --line-height-base:    1.8;
  --line-height-heading: 1.25;
  --letter-spacing-wide: 0.08em;

  /* Spacing */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Layout */
  --container-max: 1200px;
  --container-pad: clamp(1.25rem, 4vw, 2.5rem);
  --section-pad:   clamp(3.5rem, 7vw, 5rem);

  /* Shadows */
  --shadow-sm: 0 1px 4px rgba(26,95,168,0.08);
  --shadow-md: 0 4px 16px rgba(26,95,168,0.12);
  --shadow-lg: 0 8px 32px rgba(26,95,168,0.18);

  /* Borders */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;

  /* Transitions */
  --transition: 200ms ease;
  --transition-slow: 350ms ease;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-base);
  font-size: var(--font-size-md);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: var(--line-height-base);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--color-main);
  transition: color var(--transition);
}

a:hover { color: var(--color-main-dark); }

ul, ol { list-style: none; }

/* ==========================================================================
   Layout
   ========================================================================== */

.l-container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.l-section {
  padding-block: var(--section-pad);
}

.l-section--alt {
  background: var(--color-bg-alt);
}

.l-section--dark {
  background: var(--color-dark);
}

/* Header */
.l-header {
  background: var(--color-white);
  border-bottom: 3px solid var(--color-main);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}

.l-header__inner {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

/* Footer */
.l-footer {
  background: var(--color-dark);
  border-top: 3px solid var(--color-accent);
}

/* ==========================================================================
   Object / Component
   ========================================================================== */

/* --- Buttons --- */
.c-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  line-height: 1;
  white-space: nowrap;
}

.c-btn--primary {
  background: var(--color-accent);
  color: var(--color-dark);
}
.c-btn--primary:hover {
  background: var(--color-accent-dark);
  color: var(--color-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(245,166,35,0.45);
}

.c-btn--outline-white {
  background: transparent;
  color: rgba(255,255,255,0.85);
  border: 1.5px solid rgba(255,255,255,0.35);
}
.c-btn--outline-white:hover {
  border-color: rgba(255,255,255,0.7);
  color: #fff;
}

.c-btn--main {
  background: var(--color-main);
  color: #fff;
}
.c-btn--main:hover {
  background: var(--color-main-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.c-btn--outline-main {
  background: transparent;
  color: var(--color-main);
  border: 1.5px solid var(--color-main);
}
.c-btn--outline-main:hover {
  background: var(--color-main-light);
}

.c-btn--lg {
  padding: 16px 40px;
  font-size: var(--font-size-md);
}

/* --- Section Header --- */
.c-sec-eyebrow {
  font-size: var(--font-size-xs);
  font-weight: 700;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-main);
  margin-bottom: var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.c-sec-eyebrow::after {
  content: '';
  display: block;
  width: 28px;
  height: 2px;
  background: var(--color-accent);
}

.c-sec-title {
  font-size: var(--font-size-3xl);
  font-weight: 900;
  line-height: var(--line-height-heading);
  letter-spacing: -0.01em;
  margin-bottom: var(--space-3);
}

.c-sec-desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* --- Category row in tables --- */
.c-table-cat td {
  background: var(--color-dark) !important;
  color: var(--color-accent) !important;
  font-size: var(--font-size-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 10px 16px !important;
}

/* --- Badge --- */
.c-badge {
  display: inline-block;
  font-size: var(--font-size-xs);
  font-weight: 700;
  padding: 3px 10px;
  border-radius: var(--radius-sm);
  line-height: 1.4;
  white-space: nowrap;
}
.c-badge--main     { background: var(--color-main-light); color: var(--color-main); }
.c-badge--accent   { background: var(--color-accent); color: #fff; }
.c-badge--warn     { background: #fef2f2; color: #c01e1e; border: 1px solid #fca5a5; }
.c-badge--dark     { background: var(--color-dark); color: var(--color-accent); }

/* --- Card --- */
.c-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

/* --- Info table (会社概要など) --- */
.c-info-table {
  width: 100%;
  border-collapse: collapse;
}
.c-info-table tr {
  border-bottom: 1px solid var(--color-border);
}
.c-info-table tr:first-child {
  border-top: 1px solid var(--color-border);
}
.c-info-table th {
  padding: var(--space-4) var(--space-4) var(--space-4) 0;
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: var(--color-main);
  width: 120px;
  vertical-align: top;
  white-space: nowrap;
}
.c-info-table td {
  padding: var(--space-4) 0;
  font-size: var(--font-size-sm);
  vertical-align: top;
}

/* ==========================================================================
   Object / Project — Common across pages
   ========================================================================== */

/* --- Page Hero Banner (sub-pages) --- */
.p-page-hero {
  background: linear-gradient(135deg, var(--color-main) 0%, var(--color-main-dark) 100%);
  padding: clamp(2.5rem, 5vw, 4rem) var(--container-pad);
  position: relative;
  overflow: hidden;
}
.p-page-hero::before {
  content: '';
  position: absolute;
  top: -60px; right: -60px;
  width: 300px; height: 300px;
  border-radius: 50%;
  background: rgba(245,166,35,0.1);
}
.p-page-hero__inner {
  max-width: var(--container-max);
  margin-inline: auto;
}
.p-page-hero__label {
  font-size: var(--font-size-xs);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.6);
  margin-bottom: var(--space-2);
}
.p-page-hero__title {
  font-size: clamp(1.625rem, 4vw, 2.5rem);
  font-weight: 900;
  color: #fff;
  line-height: var(--line-height-heading);
}
.p-page-hero__title .accent { color: var(--color-accent); }

/* --- Map placeholder --- */
.p-map {
  background: linear-gradient(135deg, var(--color-main-light) 0%, #dce8f7 100%);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  min-height: 240px;
  color: var(--color-main);
}
.p-map svg {
  width: 44px; height: 44px;
  stroke: var(--color-main);
  fill: none;
  stroke-width: 1.5;
}
.p-map__addr {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-main);
}

/* --- Fixed phone button (mobile) --- */
.p-fixed-tel {
  display: none;
  position: fixed;
  bottom: 24px;
  right: 20px;
  background: var(--color-accent);
  color: #fff;
  border-radius: 50px;
  padding: 13px 22px;
  font-size: var(--font-size-sm);
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 4px 20px rgba(245,166,35,0.5);
  align-items: center;
  gap: var(--space-2);
  z-index: 200;
  transition: all var(--transition);
}
.p-fixed-tel svg {
  width: 17px; height: 17px;
  stroke: #fff; fill: none;
  stroke-width: 2.5;
}
.p-fixed-tel:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(245,166,35,0.65);
  color: #fff;
}

/* --- Fade-in animation (JS-triggered) --- */
.js-fade {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
.js-fade.is-visible {
  opacity: 1;
  transform: none;
}

/* ==========================================================================
   Utilities
   ========================================================================== */

.u-sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* ==========================================================================
   Responsive — Mobile overrides
   ========================================================================== */

@media (max-width: 768px) {
  .p-fixed-tel { display: flex; }
}