/* ============================================================
   C3 Software Co., Ltd. — Corporate Website Design System
   ============================================================ */

:root {
  /* Color Palette */
  --navy-900: #071426;
  --navy-800: #0B1F42;
  --navy-700: #112C5E;
  --navy-600: #183B7F;
  --blue-700: #1D4ED8;
  --blue-600: #2563EB;
  --blue-500: #3B82F6;
  --blue-400: #60A5FA;
  --blue-100: #DBEAFE;
  --blue-50:  #EFF6FF;

  /* Semantic Tokens */
  --color-primary:      #1a3c82;
  --color-primary-mid:  #2355a8;
  --color-accent:       #2563EB;
  --color-accent-hover: #1D4ED8;
  --color-accent-bg:    #EFF6FF;
  --color-text:         #1E293B;
  --color-text-mid:     #475569;
  --color-text-light:   #94A3B8;
  --color-border:       #E2E8F0;
  --color-bg:           #F8FAFC;
  --color-white:        #FFFFFF;
  --color-footer-bg:    #F1F5F9;

  /* Typography */
  --font: 'Hiragino Sans', 'ヒラギノ角ゴシック', 'Hiragino Kaku Gothic ProN',
          'Noto Sans JP', 'Yu Gothic Medium', '游ゴシック Medium',
          'Meiryo', sans-serif;

  --text-xs:   0.75rem;
  --text-sm:   0.875rem;
  --text-base: 1rem;
  --text-lg:   1.125rem;
  --text-xl:   1.25rem;
  --text-2xl:  1.5rem;
  --text-3xl:  1.875rem;
  --text-4xl:  2.25rem;
  --text-5xl:  3rem;

  /* Spacing */
  --sp-1: 0.25rem;  --sp-2: 0.5rem;   --sp-3: 0.75rem;
  --sp-4: 1rem;     --sp-5: 1.25rem;  --sp-6: 1.5rem;
  --sp-7: 1.75rem;  --sp-8: 2rem;     --sp-10: 2.5rem;  --sp-12: 3rem;
  --sp-16: 4rem;    --sp-20: 5rem;    --sp-24: 6rem;

  /* Layout */
  --max-w: 1160px;
  --pad: 1.5rem;
  --header-h: 72px;

  /* Effects */
  --shadow-sm: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
  --shadow:    0 4px 6px -1px rgba(0,0,0,.07), 0 2px 4px -1px rgba(0,0,0,.04);
  --shadow-md: 0 10px 15px -3px rgba(0,0,0,.07), 0 4px 6px -2px rgba(0,0,0,.04);
  --shadow-lg: 0 20px 25px -5px rgba(0,0,0,.09), 0 10px 10px -5px rgba(0,0,0,.04);

  --radius-sm: 4px;
  --radius:    8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  --dur: 200ms;
  --dur-md: 300ms;
}

/* ============================================================
   Reset
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  font-size: var(--text-base);
  line-height: 1.8;
  color: var(--color-text);
  background: var(--color-white);
  -webkit-font-smoothing: antialiased;
}
a { color: var(--color-accent); text-decoration: none; transition: color var(--dur); }
a:hover { color: var(--color-accent-hover); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }

h1, h2, h3, h4, h5 {
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-primary);
}
h1 { font-size: var(--text-4xl); }
h2 { font-size: var(--text-3xl); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }
h5 { font-size: var(--text-lg); }

p { margin-bottom: var(--sp-4); }
p:last-child { margin-bottom: 0; }

/* ============================================================
   Layout
   ============================================================ */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--pad);
}

.main { margin-top: var(--header-h); }

.section          { padding: var(--sp-20) 0; }
.section--gray    { background: var(--color-bg); }
.section--navy    { background: var(--color-primary); color: var(--color-white); }
.section--accent  { background: var(--color-accent-bg); }

.section__header  { text-align: center; margin-bottom: var(--sp-12); }

.section__label {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--sp-3);
}

.section__title {
  font-size: var(--text-3xl);
  color: var(--color-primary);
  margin-bottom: 0;
}

.section--navy .section__title { color: var(--color-white); }

.section__title-line {
  display: block;
  width: 44px;
  height: 3px;
  background: var(--color-accent);
  border-radius: 2px;
  margin: var(--sp-4) auto 0;
}

.section__desc {
  font-size: var(--text-lg);
  color: var(--color-text-mid);
  max-width: 600px;
  margin: var(--sp-5) auto 0;
}

.section--navy .section__desc { color: rgba(255,255,255,.75); }

/* ============================================================
   Header & Navigation
   ============================================================ */
.header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 1000;
  height: var(--header-h);
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--dur);
}

.header.scrolled { box-shadow: var(--shadow-md); }

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--pad);
}

/* Logo */
.header__logo {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  color: var(--color-primary);
  flex-shrink: 0;
}

.header__logo-img {
  height: 40px;
  width: auto;
  flex-shrink: 0;
  display: block;
}

.header__logo-text { display: flex; flex-direction: column; }

.header__logo-name {
  font-size: var(--text-sm);
  font-weight: 700;
  line-height: 1.25;
  color: var(--color-primary);
}

.header__logo-sub {
  font-size: 10px;
  color: var(--color-text-light);
  line-height: 1.25;
}

/* Desktop Nav */
.nav { display: flex; align-items: center; gap: var(--sp-1); }

.nav__item { position: relative; }

.nav__link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: var(--sp-2) var(--sp-3);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  border-radius: var(--radius-sm);
  border: none;
  background: none;
  cursor: pointer;
  font-family: inherit;
  transition: all var(--dur);
  white-space: nowrap;
}

.nav__link:hover, .nav__link.active {
  color: var(--color-accent);
  background: var(--color-accent-bg);
}

.nav__chevron {
  width: 10px; height: 10px;
  transition: transform var(--dur);
  flex-shrink: 0;
}

.nav__item.open .nav__chevron { transform: rotate(180deg); }

/* Dropdown */
.nav__dropdown {
  position: absolute;
  top: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%) translateY(-6px);
  min-width: 210px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  padding: var(--sp-2) 0;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: all var(--dur-md);
  z-index: 200;
}

.nav__item.open .nav__dropdown {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

.nav__dd-link {
  display: block;
  padding: var(--sp-2) var(--sp-5);
  font-size: var(--text-sm);
  color: var(--color-text-mid);
  transition: all var(--dur);
  border-left: 2px solid transparent;
}

.nav__dd-link:hover {
  color: var(--color-accent);
  background: var(--color-accent-bg);
  border-left-color: var(--color-accent);
  padding-left: calc(var(--sp-5) + 4px);
}

/* Nav CTA */
.nav__cta {
  display: inline-flex;
  align-items: center;
  padding: var(--sp-2) var(--sp-5);
  margin-left: var(--sp-2);
  background: var(--color-accent);
  color: var(--color-white) !important;
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  font-weight: 600;
  transition: background var(--dur);
  white-space: nowrap;
}

.nav__cta:hover {
  background: var(--color-accent-hover) !important;
  color: var(--color-white) !important;
}

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px; height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--sp-2);
}

.nav-toggle__bar {
  display: block;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
  transition: all var(--dur-md);
  width: 22px;
}

/* Mobile Nav */
.mobile-nav {
  display: none;
  position: fixed;
  inset: var(--header-h) 0 0 0;
  background: var(--color-white);
  overflow-y: auto;
  z-index: 999;
  padding: var(--sp-4) var(--pad) var(--sp-8);
}

.mobile-nav.open { display: block; }

.mobile-nav__item { border-bottom: 1px solid var(--color-border); }

.mobile-nav__link {
  display: block;
  padding: var(--sp-4) 0;
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text);
}

.mobile-nav__sub {
  padding: 0 0 var(--sp-3) var(--sp-5);
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.mobile-nav__sub-link {
  font-size: var(--text-sm);
  color: var(--color-text-mid);
  padding: var(--sp-1) 0;
}

.mobile-nav__cta {
  display: block;
  margin-top: var(--sp-6);
  padding: var(--sp-4);
  background: var(--color-accent);
  color: var(--color-white) !important;
  text-align: center;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: var(--text-base);
}

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  padding: var(--sp-3) var(--sp-8);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: var(--text-base);
  font-weight: 600;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--dur);
  line-height: 1.5;
  text-decoration: none;
}

.btn--primary {
  background: var(--color-accent);
  color: var(--color-white);
  border-color: var(--color-accent);
}
.btn--primary:hover {
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  color: var(--color-white);
}
.btn:disabled,
.btn[aria-disabled="true"] {
  opacity: .45;
  cursor: not-allowed;
  pointer-events: none;
}

.btn--outline {
  background: transparent;
  color: var(--color-accent);
  border-color: var(--color-accent);
}
.btn--outline:hover {
  background: var(--color-accent);
  color: var(--color-white);
}

.btn--white {
  background: var(--color-white);
  color: var(--color-primary);
  border-color: var(--color-white);
}
.btn--white:hover {
  background: var(--blue-100);
  border-color: var(--blue-100);
  color: var(--color-primary);
}

.btn--ghost-white {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255,255,255,.55);
}
.btn--ghost-white:hover {
  background: rgba(255,255,255,.1);
  border-color: rgba(255,255,255,.9);
  color: var(--color-white);
}

.btn--lg { padding: var(--sp-4) var(--sp-10); font-size: var(--text-lg); }

/* ============================================================
   Hero (Top Page)
   ============================================================ */
.hero {
  min-height: calc(100vh - var(--header-h));
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: linear-gradient(140deg, #1a3c82 0%, #2563EB 60%, #3B82F6 100%);
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 70% at 75% 50%, rgba(37,99,235,.12) 0%, transparent 70%),
    radial-gradient(ellipse 40% 40% at 15% 80%, rgba(96,165,250,.07) 0%, transparent 60%);
}

.hero__deco {
  position: absolute;
  right: -80px;
  top: 50%;
  transform: translateY(-50%);
  width: 580px;
  height: 580px;
  border-radius: 50%;
  border: 70px solid rgba(255,255,255,.025);
  pointer-events: none;
}

.hero__deco2 {
  position: absolute;
  right: 60px;
  top: 50%;
  transform: translateY(-50%);
  width: 380px;
  height: 380px;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,.04);
  pointer-events: none;
}

.hero__inner {
  position: relative;
  z-index: 1;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: var(--sp-24) var(--pad);
  width: 100%;
}
.hero__inner--split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.hero__content { min-width: 0; }

/* ── Hero visual / C3 concept reveal ── */
.hero__visual {
  display: flex;
  flex-direction: column;
  justify-self: center;
  width: 100%;
  max-width: 380px;
  border-top: 1px solid rgba(255,255,255,.15);
}

@keyframes concept-slidein {
  from { opacity: 0; transform: translateX(40px); }
  to   { opacity: 1; transform: translateX(0); }
}

.hero__concept {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid rgba(255,255,255,.15);
  opacity: 0;
  animation: concept-slidein .5s cubic-bezier(.25,.46,.45,.94) forwards;
}
.hero__concept--1 { animation-delay: .5s; }
.hero__concept--2 { animation-delay: .72s; }
.hero__concept--3 { animation-delay: .94s; }

.hero__concept-en {
  font-size: 1.75rem;
  font-weight: 800;
  color: rgba(255,255,255,.95);
  letter-spacing: .01em;
  line-height: 1;
}
.hero__concept-jp {
  font-size: .8rem;
  color: rgba(255,255,255,.45);
  letter-spacing: .2em;
  flex-shrink: 0;
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-3);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--blue-400);
  margin-bottom: var(--sp-6);
}
.hero__eyebrow::before {
  content: '';
  display: block;
  width: 28px;
  height: 2px;
  background: var(--blue-400);
  border-radius: 2px;
}

.hero__title {
  font-size: clamp(var(--text-3xl), 4vw, var(--text-5xl));
  color: var(--color-white);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: var(--sp-6);
  max-width: 700px;
}

.hero__title em {
  font-style: normal;
  color: var(--blue-400);
}

.hero__desc {
  font-size: var(--text-lg);
  color: rgba(255,255,255,.78);
  max-width: 560px;
  line-height: 1.85;
  margin-bottom: var(--sp-10);
}

.hero__c3 {
  display: flex;
  gap: var(--sp-8);
  margin-bottom: var(--sp-10);
  flex-wrap: wrap;
}

.hero__c3-item { display: flex; flex-direction: column; }

.hero__c3-en {
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--blue-400);
  line-height: 1;
  letter-spacing: -.5px;
}

.hero__c3-jp {
  font-size: var(--text-xs);
  color: rgba(255,255,255,.5);
  letter-spacing: .05em;
  margin-top: var(--sp-1);
}

.hero__actions {
  display: flex;
  gap: var(--sp-4);
  flex-wrap: wrap;
}

/* ============================================================
   Page Banner (sub-pages)
   ============================================================ */
.page-banner {
  background: linear-gradient(140deg, #EFF6FF 0%, #DBEAFE 55%, #C7D9FF 100%);
  padding: var(--sp-16) 0 var(--sp-12);
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid #BFDBFE;
}

.page-banner::after {
  content: '';
  position: absolute;
  right: -60px; bottom: -60px;
  width: 280px; height: 280px;
  border-radius: 50%;
  border: 44px solid rgba(37,99,235,.1);
  pointer-events: none;
}

.page-banner__inner {
  position: relative;
  z-index: 1;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--pad);
}

.page-banner__label {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--sp-2);
}

.page-banner__title {
  font-size: var(--text-4xl);
  color: var(--color-primary);
  font-weight: 800;
  margin-bottom: var(--sp-4);
}

/* Breadcrumb */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--text-sm);
  color: var(--color-text-mid);
  flex-wrap: wrap;
}
.breadcrumb a { color: var(--color-text-mid); }
.breadcrumb a:hover { color: var(--color-accent); }
.breadcrumb__sep { opacity: .5; font-size: var(--text-xs); }
.breadcrumb__cur { color: var(--color-text); }

/* ============================================================
   Cards
   ============================================================ */
.grid { display: grid; gap: var(--sp-6); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--sp-8);
  box-shadow: var(--shadow-sm);
  transition: all var(--dur-md);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--blue-100);
}

.card__icon {
  width: 52px; height: 52px;
  border-radius: var(--radius);
  background: var(--color-accent-bg);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: var(--sp-5);
  font-size: 24px;
}

.card__tag {
  display: inline-block;
  padding: 2px var(--sp-3);
  background: var(--color-accent-bg);
  color: var(--color-accent);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 700;
  margin-bottom: var(--sp-3);
}

.card__title {
  font-size: var(--text-xl);
  color: var(--color-primary);
  margin-bottom: var(--sp-3);
  font-weight: 700;
}

.card__text {
  font-size: var(--text-sm);
  color: var(--color-text-mid);
  line-height: 1.75;
  margin-bottom: 0;
}

.card__link {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-accent);
  margin-top: var(--sp-5);
  transition: gap var(--dur);
}
.card__link:hover { gap: var(--sp-2); }
.card__link::after { content: '→'; }

/* ============================================================
   Table
   ============================================================ */
.table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.table {
  width: 100%;
  border-collapse: collapse;
}

.table th, .table td {
  padding: var(--sp-4) var(--sp-6);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
  font-size: var(--text-sm);
  vertical-align: top;
  line-height: 1.7;
}

.table th {
  background: var(--color-primary);
  color: var(--color-white);
  font-weight: 600;
  white-space: nowrap;
  width: 200px;
}

.table tr:last-child th,
.table tr:last-child td { border-bottom: none; }

.table tr:hover td { background: var(--blue-50); }

/* Dev table variant */
.table--dev th { width: auto; background: var(--navy-800); text-align: center; }
.table--dev td { text-align: center; }
.table--dev td:first-child { text-align: left; font-weight: 600; background: var(--color-bg); }
.table--dev td:nth-child(2) { text-align: left; }

/* ============================================================
   Timeline (History)
   ============================================================ */
.timeline {
  position: relative;
  padding-left: var(--sp-10);
}

.timeline::before {
  content: '';
  position: absolute;
  left: 4px;
  top: 8px; bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-accent), var(--color-border));
}

.timeline__item {
  position: relative;
  padding-bottom: var(--sp-8);
  padding-left: var(--sp-6);
}

.timeline__item::before {
  content: '';
  position: absolute;
  left: calc(-1 * var(--sp-6) - 1px);
  top: 6px;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--color-accent);
  border: 2px solid var(--color-white);
  box-shadow: 0 0 0 2px var(--color-accent);
}

.timeline__year {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: var(--sp-2);
  letter-spacing: .04em;
}

.timeline__box {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--sp-5) var(--sp-6);
  box-shadow: var(--shadow-sm);
}

.timeline__event {
  font-size: var(--text-sm);
  color: var(--color-text);
  line-height: 1.75;
  margin-bottom: var(--sp-2);
}
.timeline__event:last-child { margin-bottom: 0; }

/* ============================================================
   Org Chart
   ============================================================ */
.org-chart {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  padding: var(--sp-6) 0;
}

.org-node {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--sp-3) var(--sp-8);
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: var(--text-sm);
  text-align: center;
  border: 2px solid transparent;
}

.org-node--top {
  background: var(--color-primary);
  color: var(--color-white);
  font-size: var(--text-base);
  padding: var(--sp-4) var(--sp-10);
}

.org-node--mid {
  background: var(--navy-700);
  color: var(--color-white);
}

.org-node--dept {
  background: var(--color-accent-bg);
  color: var(--color-primary);
  border-color: var(--blue-100);
}

.org-connector {
  width: 2px;
  height: 32px;
  background: var(--color-border);
  margin: 0 auto;
}

.org-row {
  display: flex;
  gap: var(--sp-4);
  align-items: flex-start;
  justify-content: center;
  flex-wrap: wrap;
}

.org-col {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.org-branch {
  display: flex;
  justify-content: center;
  position: relative;
  gap: var(--sp-4);
}

.org-branch::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  width: calc(100% - 80px);
  height: 2px;
  background: var(--color-border);
  transform: translateX(-50%);
}

/* ============================================================
   News / Announce
   ============================================================ */
.news-list { display: flex; flex-direction: column; }

.news-item {
  display: flex;
  gap: var(--sp-6);
  padding: var(--sp-6) 0;
  border-bottom: 1px solid var(--color-border);
  align-items: flex-start;
}
.news-item:first-child { padding-top: 0; }

.news-item__meta {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  width: 100px;
}

.news-item__date {
  font-size: var(--text-xs);
  color: var(--color-text-light);
  white-space: nowrap;
}

.news-item__tag {
  display: inline-block;
  padding: 2px var(--sp-2);
  border-radius: var(--radius-sm);
  font-size: 10px;
  font-weight: 700;
  background: var(--color-accent-bg);
  color: var(--color-accent);
  white-space: nowrap;
}
.news-item__tag--alert { background: #FEF2F2; color: #DC2626; }

.news-item__body { flex: 1; }
.news-item__title {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--sp-1);
  line-height: 1.6;
}
.news-item__text {
  font-size: var(--text-sm);
  color: var(--color-text-mid);
  line-height: 1.75;
  margin: 0;
}

/* Alert box */
.alert-box {
  background: #FEF2F2;
  border: 1px solid #FECACA;
  border-left: 4px solid #DC2626;
  border-radius: var(--radius);
  padding: var(--sp-6);
  margin: var(--sp-6) 0;
}
.alert-box__title {
  font-size: var(--text-lg);
  font-weight: 700;
  color: #DC2626;
  margin-bottom: var(--sp-3);
}
.alert-box__text { font-size: var(--text-sm); line-height: 1.75; margin: 0; }

/* Bullet list */
.bullet-list { display: flex; flex-direction: column; gap: var(--sp-3); }
.bullet-list li {
  font-size: var(--text-sm);
  color: var(--color-text);
  line-height: 1.75;
  padding-left: var(--sp-5);
  position: relative;
}
.bullet-list li::before {
  content: '▶';
  position: absolute;
  left: 0;
  font-size: 10px;
  color: var(--color-accent);
  top: 4px;
}

/* ============================================================
   Contact Form
   ============================================================ */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: var(--sp-10);
  align-items: start;
}

.form-group { margin-bottom: var(--sp-6); }

.form-label {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--sp-2);
}

.form-req {
  font-size: 10px;
  font-weight: 700;
  color: #DC2626;
  background: #FEE2E2;
  padding: 1px 6px;
  border-radius: var(--radius-sm);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--sp-3) var(--sp-4);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: var(--text-base);
  color: var(--color-text);
  background: var(--color-white);
  transition: border-color var(--dur), box-shadow var(--dur);
  outline: none;
  -webkit-appearance: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(37,99,235,.1);
}

.form-textarea { resize: vertical; min-height: 140px; line-height: 1.7; }

.form-select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%2394A3B8'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--sp-4) center;
  padding-right: var(--sp-10);
}

.form-check {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-3);
  cursor: pointer;
}
.form-check input[type="checkbox"] {
  width: 18px; height: 18px;
  flex-shrink: 0;
  margin-top: 3px;
  accent-color: var(--color-accent);
  cursor: pointer;
}
.form-check__label { font-size: var(--text-sm); color: var(--color-text); line-height: 1.6; }

.privacy-scroll {
  max-height: 180px;
  overflow-y: auto;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--sp-4);
  font-size: var(--text-xs);
  color: var(--color-text-mid);
  line-height: 1.8;
  margin-bottom: var(--sp-4);
}

.form-error {
  display: none;
  font-size: var(--text-xs);
  color: #DC2626;
  margin-top: var(--sp-1);
}

.form-success {
  text-align: center;
  padding: var(--sp-16) var(--sp-8);
  background: var(--color-accent-bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--blue-100);
}
.form-success__title { font-size: var(--text-2xl); font-weight: 700; color: var(--color-primary); margin-bottom: var(--sp-3); }
.form-success__text { font-size: var(--text-base); color: var(--color-text-mid); margin: 0; }

/* Contact sidebar */
.contact-sidebar {
  background: var(--color-primary);
  border-radius: var(--radius-md);
  padding: var(--sp-8);
  color: rgba(255,255,255,.85);
  position: sticky;
  top: calc(var(--header-h) + var(--sp-6));
}

.contact-sidebar__title {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: var(--sp-6);
  padding-bottom: var(--sp-4);
  border-bottom: 1px solid rgba(255,255,255,.12);
}

.contact-office { margin-bottom: var(--sp-6); }
.contact-office:last-child { margin-bottom: 0; }

.contact-office__name {
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--blue-400);
  letter-spacing: .06em;
  margin-bottom: var(--sp-2);
}

.contact-office__detail {
  font-size: var(--text-xs);
  color: rgba(255,255,255,.65);
  line-height: 1.8;
}

.contact-office__tel {
  font-size: var(--text-sm);
  font-weight: 600;
  color: rgba(255,255,255,.9);
}

/* ============================================================
   Access / Offices
   ============================================================ */
.office-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-6); }

.office-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.office-card__header {
  background: var(--color-primary);
  padding: var(--sp-5) var(--sp-6);
}

.office-card__type {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--blue-400);
  margin-bottom: var(--sp-1);
}

.office-card__name {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-white);
}

.office-card__body { padding: var(--sp-6); }

.office-card__address {
  font-size: var(--text-sm);
  color: var(--color-text-mid);
  line-height: 1.75;
  margin-bottom: var(--sp-4);
}

.office-card__tel { font-size: var(--text-sm); margin-bottom: var(--sp-1); }
.office-card__fax { font-size: var(--text-sm); color: var(--color-text-mid); }

.office-card__map-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  margin-top: var(--sp-4);
  padding: var(--sp-2) var(--sp-4);
  border: 1.5px solid var(--color-accent);
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-accent);
  transition: all var(--dur);
}
.office-card__map-btn:hover {
  background: var(--color-accent);
  color: var(--color-white);
}

/* ============================================================
   Product Feature Cards
   ============================================================ */
.feature-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--sp-5); }

.feature-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--sp-6);
  display: flex;
  gap: var(--sp-4);
  transition: all var(--dur);
}

.feature-card:hover {
  border-color: var(--blue-400);
  box-shadow: var(--shadow);
}

.feature-card__icon {
  width: 40px; height: 40px;
  background: var(--color-accent-bg);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  font-size: 20px;
}

.feature-card__title {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--sp-2);
}

.feature-card__text {
  font-size: var(--text-sm);
  color: var(--color-text-mid);
  line-height: 1.75;
  margin: 0;
}

/* Price highlight */
.price-highlight {
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius-md);
  padding: var(--sp-8);
  text-align: center;
}
.price-highlight__note { font-size: var(--text-sm); color: rgba(255,255,255,.65); margin-bottom: var(--sp-2); }
.price-highlight__amount { font-size: var(--text-4xl); font-weight: 900; color: var(--blue-400); margin-bottom: 0; }
.price-highlight__sub { font-size: var(--text-xs); color: rgba(255,255,255,.5); margin-top: var(--sp-2); }

/* Tech badges */
.tech-grid { display: flex; flex-wrap: wrap; gap: var(--sp-2); }
.tech-badge {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--sp-1) var(--sp-3);
  font-size: var(--text-xs);
  color: var(--color-text-mid);
  font-weight: 500;
}

/* ============================================================
   Policy
   ============================================================ */
.policy-body { max-width: 780px; margin: 0 auto; }

.policy-section { margin-bottom: var(--sp-10); }

.policy-section__title {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-primary);
  padding-bottom: var(--sp-3);
  border-bottom: 2px solid var(--color-accent);
  margin-bottom: var(--sp-5);
}

.policy-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px; height: 28px;
  background: var(--color-accent);
  color: var(--color-white);
  border-radius: 50%;
  font-size: var(--text-xs);
  font-weight: 700;
  flex-shrink: 0;
}

.policy-section__text { font-size: var(--text-base); color: var(--color-text); line-height: 1.9; margin: 0; }

/* ============================================================
   CTA Section
   ============================================================ */
.cta {
  background: linear-gradient(140deg, #1D4ED8 0%, #2563EB 55%, #3B82F6 100%);
  padding: var(--sp-20) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta::before {
  content: '';
  position: absolute;
  left: -120px; top: 50%;
  transform: translateY(-50%);
  width: 440px; height: 440px;
  border-radius: 50%;
  border: 56px solid rgba(255,255,255,.025);
}

.cta__inner { position: relative; z-index: 1; }

.cta__label {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--blue-400);
  margin-bottom: var(--sp-4);
}

.cta__title {
  font-size: var(--text-3xl);
  font-weight: 800;
  color: var(--color-white);
  margin-bottom: var(--sp-4);
}

.cta__desc {
  font-size: var(--text-base);
  color: rgba(255,255,255,.72);
  max-width: 480px;
  margin: 0 auto var(--sp-8);
}

.cta__actions {
  display: flex;
  gap: var(--sp-4);
  justify-content: center;
  flex-wrap: wrap;
}

/* ============================================================
   Footer
   ============================================================ */
.footer { background: var(--color-footer-bg); }

.footer__top {
  padding: var(--sp-16) 0 var(--sp-10);
  border-bottom: 1px solid var(--color-border);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: var(--sp-10);
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--pad);
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  margin-bottom: var(--sp-5);
  text-decoration: none;
}

.footer__logo-img {
  height: 36px;
  width: auto;
  flex-shrink: 0;
  display: block;
}

.footer__logo-name {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.3;
}

.footer__tagline {
  font-size: var(--text-xs);
  color: var(--color-text-mid);
  line-height: 1.8;
  margin-bottom: var(--sp-5);
}

.footer__c3 { display: flex; gap: var(--sp-5); }
.footer__c3-en { display: block; font-size: var(--text-xs); font-weight: 800; color: var(--color-accent); }
.footer__c3-jp { display: block; font-size: 10px; color: var(--color-text-light); margin-top: 2px; }

.footer__col-title {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--color-text-light);
  margin-bottom: var(--sp-4);
}

.footer__links { display: flex; flex-direction: column; gap: var(--sp-2); }

.footer__link {
  font-size: var(--text-sm);
  color: var(--color-text-mid);
  transition: color var(--dur);
  line-height: 1.5;
}
.footer__link:hover { color: var(--color-accent); }

.footer__bottom {
  padding: var(--sp-5) 0;
}

.footer__bottom-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--pad);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--sp-3);
}

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

.footer__bottom-links { display: flex; gap: var(--sp-5); }
.footer__bottom-link {
  font-size: var(--text-xs);
  color: var(--color-text-light);
  transition: color var(--dur);
}
.footer__bottom-link:hover { color: var(--color-accent); }

/* ============================================================
   Utilities
   ============================================================ */
.text-center { text-align: center; }
.mt-6  { margin-top: var(--sp-6); }
.mt-8  { margin-top: var(--sp-8); }
.mt-10 { margin-top: var(--sp-10); }
.mt-12 { margin-top: var(--sp-12); }
.mb-6  { margin-bottom: var(--sp-6); }
.mb-8  { margin-bottom: var(--sp-8); }
.divider { height: 1px; background: var(--color-border); margin: var(--sp-8) 0; }

.info-box {
  background: var(--color-accent-bg);
  border: 1px solid var(--blue-100);
  border-left: 4px solid var(--color-accent);
  border-radius: var(--radius);
  padding: var(--sp-5) var(--sp-6);
  margin: var(--sp-6) 0;
}
.info-box p { font-size: var(--text-sm); color: var(--color-text); margin: 0; }

.tag {
  display: inline-block;
  padding: 3px var(--sp-3);
  background: var(--color-accent-bg);
  color: var(--color-accent);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 700;
}

/* Recruit value items */
.values-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: var(--sp-5); }

.value-card {
  background: var(--color-accent-bg);
  border: 1px solid var(--blue-100);
  border-radius: var(--radius-md);
  padding: var(--sp-6);
}

.value-card__num {
  font-size: var(--text-4xl);
  font-weight: 900;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: var(--sp-3);
  opacity: .3;
}

.value-card__title {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--sp-2);
}

.value-card__text { font-size: var(--text-sm); color: var(--color-text-mid); margin: 0; }

/* Message page */
.message-layout { display: grid; grid-template-columns: 280px 1fr; gap: var(--sp-12); align-items: start; }

.message-photo {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  aspect-ratio: 3/4;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--sp-3);
  color: var(--color-text-light);
}

.message-photo__icon { font-size: 48px; opacity: .4; }
.message-photo__label { font-size: var(--text-xs); }

.message-body p { line-height: 1.95; margin-bottom: var(--sp-6); font-size: var(--text-base); }

.message-sig {
  margin-top: var(--sp-8);
  text-align: right;
  font-weight: 700;
  color: var(--color-primary);
  font-size: var(--text-base);
}

/* ============================================================
   Privacy Policy
   ============================================================ */
.privacy-policy {
  max-width: 780px;
  margin: 0 auto;
}

.privacy-policy__intro {
  font-size: var(--text-base);
  color: var(--color-text-mid);
  line-height: 1.9;
  margin-bottom: var(--sp-10);
  padding-bottom: var(--sp-8);
  border-bottom: 1px solid var(--color-border);
}

.privacy-policy__section {
  margin-bottom: var(--sp-10);
}

.privacy-policy__heading {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-primary);
  padding-bottom: var(--sp-3);
  border-bottom: 2px solid var(--color-accent);
  margin-bottom: var(--sp-5);
}

.privacy-policy__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px; height: 28px;
  background: var(--color-accent);
  color: var(--color-white);
  border-radius: 50%;
  font-size: var(--text-xs);
  font-weight: 700;
  flex-shrink: 0;
}

.privacy-policy__section p {
  font-size: var(--text-base);
  color: var(--color-text);
  line-height: 1.9;
}

.privacy-policy__list {
  margin: var(--sp-4) 0;
  padding-left: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.privacy-policy__list li {
  font-size: var(--text-sm);
  color: var(--color-text-mid);
  line-height: 1.75;
  padding-left: var(--sp-5);
  position: relative;
}

.privacy-policy__list li::before {
  content: '▶';
  position: absolute;
  left: 0;
  font-size: 10px;
  color: var(--color-accent);
  top: 5px;
}

.privacy-policy__contact {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--sp-6);
  margin-top: var(--sp-4);
}

.privacy-policy__contact p {
  font-size: var(--text-sm);
  color: var(--color-text-mid);
  line-height: 1.9;
  margin-bottom: var(--sp-1);
}

.privacy-policy__footer {
  margin-top: var(--sp-12);
  padding-top: var(--sp-8);
  border-top: 1px solid var(--color-border);
  text-align: right;
}

.privacy-policy__footer p {
  font-size: var(--text-sm);
  color: var(--color-text-mid);
  line-height: 1.8;
}

/* ============================================================
   Announce Page
   ============================================================ */
.announce-alert {
  background: #FFF5F5;
  border: 1px solid #FECACA;
  border-left: 4px solid #DC2626;
  border-radius: var(--radius-md);
  padding: var(--sp-8);
  margin-bottom: var(--sp-12);
}

.announce-alert__header {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  margin-bottom: var(--sp-4);
  flex-wrap: wrap;
}

.announce-alert__badge {
  display: inline-block;
  padding: var(--sp-1) var(--sp-3);
  background: #DC2626;
  color: var(--color-white);
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
  font-weight: 700;
}

.announce-alert__date {
  font-size: var(--text-xs);
  color: #6B7280;
}

.announce-alert__title {
  font-size: var(--text-xl);
  font-weight: 700;
  color: #DC2626;
  margin-bottom: var(--sp-4);
}

.announce-alert__body p {
  font-size: var(--text-base);
  color: var(--color-text);
  line-height: 1.85;
}

.announce-list {
  display: flex;
  flex-direction: column;
}

.announce-item {
  padding: var(--sp-7) 0;
  border-bottom: 1px solid var(--color-border);
}

.announce-item:first-child { padding-top: 0; }
.announce-item:last-child { border-bottom: none; }

.announce-item__meta {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  margin-bottom: var(--sp-3);
}

.announce-item__date {
  font-size: var(--text-xs);
  color: var(--color-text-light);
  white-space: nowrap;
}

.announce-item__tag {
  display: inline-block;
  padding: 2px var(--sp-2);
  border-radius: var(--radius-sm);
  font-size: 10px;
  font-weight: 700;
  background: var(--color-accent-bg);
  color: var(--color-accent);
}

.announce-item__tag--alert {
  background: #FEE2E2;
  color: #DC2626;
}

.announce-item__title {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--sp-2);
  line-height: 1.5;
}

.announce-item__desc {
  font-size: var(--text-sm);
  color: var(--color-text-mid);
  line-height: 1.75;
  margin: 0;
}

/* ============================================================
   Service Page
   ============================================================ */
.service-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-6);
  background: var(--color-primary);
  border-radius: var(--radius-lg);
  padding: var(--sp-10) var(--sp-8);
}

.service-stat { text-align: center; }

.service-stat__num {
  font-size: var(--text-4xl);
  font-weight: 900;
  color: var(--color-white);
  line-height: 1;
  margin-bottom: var(--sp-2);
}

.service-stat__unit {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--blue-400);
}

.service-stat__label {
  font-size: var(--text-xs);
  color: rgba(255,255,255,.55);
  margin: 0;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-6);
}

.service-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--dur-md), box-shadow var(--dur-md);
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.service-card__head {
  padding: var(--sp-8) var(--sp-6) var(--sp-6);
  position: relative;
}

.service-card__cat {
  display: inline-block;
  padding: 3px var(--sp-3);
  background: rgba(255,255,255,.18);
  color: rgba(255,255,255,.9);
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .04em;
  margin-bottom: var(--sp-4);
}

.service-card__icon-wrap {
  font-size: 2.5rem;
  line-height: 1;
}

.service-card__body {
  padding: var(--sp-6);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.service-card__title {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--sp-3);
}

.service-card__text {
  font-size: var(--text-sm);
  color: var(--color-text-mid);
  line-height: 1.8;
  margin-bottom: var(--sp-4);
}

.service-card__features {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--sp-5);
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  flex: 1;
}

.service-card__features li {
  font-size: var(--text-xs);
  color: var(--color-text-mid);
  padding-left: var(--sp-4);
  position: relative;
  line-height: 1.6;
}

.service-card__features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: 700;
  font-size: 11px;
}

.service-card__link {
  display: inline-flex;
  align-items: center;
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-accent);
  transition: gap var(--dur);
  gap: 0;
  margin-top: auto;
}

.service-card__link:hover { gap: var(--sp-1); }

/* Service navigation cards */
.service-nav-card {
  display: flex;
  align-items: center;
  gap: var(--sp-5);
  padding: var(--sp-6) var(--sp-7);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: all var(--dur-md);
  color: inherit;
}

.service-nav-card:hover {
  border-color: var(--color-accent);
  background: var(--color-accent-bg);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.service-nav-card--accent {
  background: var(--color-primary);
  border-color: var(--navy-700);
}

.service-nav-card--accent .service-nav-card__title { color: var(--color-white); }
.service-nav-card--accent .service-nav-card__text { color: rgba(255,255,255,.65); }
.service-nav-card--accent .service-nav-card__arrow { color: var(--blue-400); }
.service-nav-card--accent:hover { background: var(--navy-700); }

.service-nav-card__icon { font-size: 2rem; flex-shrink: 0; }

.service-nav-card__title {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--sp-1);
}

.service-nav-card__text {
  font-size: var(--text-sm);
  color: var(--color-text-mid);
  margin: 0;
  line-height: 1.6;
}

.service-nav-card__arrow {
  margin-left: auto;
  font-size: var(--text-xl);
  color: var(--color-accent);
  flex-shrink: 0;
}

/* ============================================================
   Flow / Process Steps
   ============================================================ */
.flow-steps {
  display: flex;
  flex-direction: column;
}

.flow-step {
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: var(--sp-6);
  padding-bottom: var(--sp-2);
}

.flow-step__left {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.flow-step__num {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-white);
  font-size: var(--text-xl);
  font-weight: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(11,31,66,.3);
  position: relative;
  z-index: 1;
}

.flow-step__num--done {
  background: linear-gradient(135deg, var(--color-accent), #1d4ed8);
}

.flow-step__line {
  flex: 1;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-primary), var(--color-border));
  margin: var(--sp-2) 0;
  min-height: 40px;
}

.flow-step__content {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--sp-7) var(--sp-8);
  margin-bottom: var(--sp-6);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--dur-md);
}

.flow-step__content:hover { box-shadow: var(--shadow); }

.flow-step--last .flow-step__content {
  border-color: var(--color-accent);
  background: var(--color-accent-bg);
}

.flow-step__icon {
  font-size: 1.75rem;
  margin-bottom: var(--sp-3);
}

.flow-step__title {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--sp-3);
}

.flow-step__desc {
  font-size: var(--text-base);
  color: var(--color-text-mid);
  line-height: 1.85;
  margin-bottom: var(--sp-4);
}

.flow-step__bullets {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--sp-4);
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.flow-step__bullets li {
  font-size: var(--text-sm);
  color: var(--color-text);
  padding-left: var(--sp-5);
  position: relative;
  line-height: 1.65;
}

.flow-step__bullets li::before {
  content: '▶';
  position: absolute;
  left: 0;
  font-size: 9px;
  color: var(--color-accent);
  top: 5px;
}

.flow-step__meta {
  display: inline-block;
  padding: var(--sp-1) var(--sp-4);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  color: var(--color-text-mid);
  font-weight: 600;
}

.flow-step__meta--free {
  background: #EFF6FF;
  border-color: var(--blue-100);
  color: var(--color-accent);
}

/* FAQ */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--sp-5);
}

.faq-item {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.faq-q, .faq-a {
  display: flex;
  gap: var(--sp-5);
  padding: var(--sp-6) var(--sp-7);
  align-items: flex-start;
}

.faq-q { border-bottom: 1px solid var(--color-border); }

.faq-q__mark, .faq-a__mark {
  width: 32px; height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: var(--text-base);
  flex-shrink: 0;
}

.faq-q__mark {
  background: var(--color-primary);
  color: var(--color-white);
}

.faq-a__mark {
  background: var(--color-accent-bg);
  color: var(--color-accent);
}

.faq-q p, .faq-a p {
  font-size: var(--text-base);
  color: var(--color-text);
  line-height: 1.8;
  margin: 0;
  padding-top: 4px;
}

.faq-q p { font-weight: 600; }
.faq-a { background: var(--color-bg); }
.faq-a p { color: var(--color-text-mid); }

/* ============================================================
   Recruit form area */
.recruit-box {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--sp-10);
  box-shadow: var(--shadow-sm);
  margin-bottom: var(--sp-8);
}

.recruit-box__badge {
  display: inline-block;
  padding: var(--sp-1) var(--sp-4);
  background: var(--color-accent);
  color: var(--color-white);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 700;
  margin-bottom: var(--sp-5);
}

.recruit-box__title {
  font-size: var(--text-2xl);
  margin-bottom: var(--sp-5);
  padding-bottom: var(--sp-4);
  border-bottom: 1px solid var(--color-border);
}

/* ============================================================
   Responsive — 1023px (tablet)
   ============================================================ */
@media (max-width: 1023px) {
  .footer__grid { grid-template-columns: 1fr 1fr; gap: var(--sp-8); }
  .office-cards { grid-template-columns: 1fr; }
  .grid--3 { grid-template-columns: 1fr 1fr; }
  .grid--4 { grid-template-columns: 1fr 1fr; }
  .values-grid { grid-template-columns: 1fr 1fr; }
  .service-grid { grid-template-columns: 1fr 1fr; }
  .service-stats { grid-template-columns: 1fr 1fr; }
}

/* ============================================================
   Responsive — 767px (mobile)
   ============================================================ */
@media (max-width: 767px) {
  :root { --header-h: 60px; }

  h1 { font-size: var(--text-3xl); }
  h2 { font-size: var(--text-2xl); }
  h3 { font-size: var(--text-xl); }

  .nav { display: none; }
  .nav-toggle { display: flex; }

  .section { padding: var(--sp-12) 0; }
  .section__title { font-size: var(--text-2xl); }

  .hero__title { font-size: var(--text-3xl); }
  .hero__c3 { gap: var(--sp-5); }
  .hero__actions { flex-direction: column; align-items: flex-start; }
  .hero__inner--split { grid-template-columns: 1fr; }
  .hero__visual { display: none; }

  .page-banner__title { font-size: var(--text-3xl); }
  .page-banner { padding: var(--sp-12) 0 var(--sp-8); }

  .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: 1fr; }
  .office-cards { grid-template-columns: 1fr; }
  .contact-layout { grid-template-columns: 1fr; }
  .message-layout { grid-template-columns: 1fr; }

  .message-photo { max-width: 220px; margin: 0 auto; }

  .table th { width: 120px; font-size: var(--text-xs); }
  .table th, .table td { padding: var(--sp-3) var(--sp-4); }

  .footer__grid { grid-template-columns: 1fr; gap: var(--sp-8); }
  .footer__bottom-inner { flex-direction: column; align-items: flex-start; }

  .contact-sidebar { position: static; }

  .recruit-box { padding: var(--sp-6); }
  .cta__title { font-size: var(--text-2xl); }

  .news-item { flex-direction: column; gap: var(--sp-3); }
  .news-item__meta { flex-direction: row; gap: var(--sp-3); width: auto; }

  .service-grid { grid-template-columns: 1fr; }
  .service-stats { grid-template-columns: 1fr 1fr; padding: var(--sp-6); gap: var(--sp-4); }
  .service-nav-card { flex-wrap: wrap; }

  .flow-step { grid-template-columns: 48px 1fr; gap: var(--sp-4); }
  .flow-step__num { width: 44px; height: 44px; font-size: var(--text-lg); }
  .flow-step__content { padding: var(--sp-5) var(--sp-5); }

  .faq-q, .faq-a { padding: var(--sp-4) var(--sp-5); gap: var(--sp-3); }
}

@media (max-width: 480px) {
  :root { --pad: 1rem; }
  .card { padding: var(--sp-6); }
  .btn--lg { padding: var(--sp-3) var(--sp-6); font-size: var(--text-base); }
}

/* ============================================================
   Solution Cards (service/index.html)
   ============================================================ */
.solution-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-6);
}

.solution-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--sp-7);
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--dur-md), transform var(--dur-md), border-color var(--dur-md);
}

.solution-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-3px);
  border-color: var(--color-accent);
}

.solution-card__tag {
  display: inline-block;
  padding: 3px var(--sp-3);
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .04em;
  align-self: flex-start;
}

/* unified tag — ignore colour variants, all same treatment */
.solution-card__tag--blue,
.solution-card__tag--green,
.solution-card__tag--orange,
.solution-card__tag--navy,
.solution-card__tag--purple,
.solution-card__tag--teal  { background: var(--color-accent-bg); color: var(--color-accent); }

.solution-card__title {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.45;
  margin: 0;
}

.solution-card__text {
  font-size: var(--text-sm);
  color: var(--color-text-mid);
  line-height: 1.85;
  flex: 1;
}

.solution-card__badge {
  display: inline-block;
  padding: var(--sp-1) var(--sp-3);
  background: var(--color-accent-bg);
  border: 1px solid var(--blue-100);
  border-radius: var(--radius);
  font-size: 11px;
  font-weight: 700;
  color: var(--color-accent);
}

.solution-card__link {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-accent);
  transition: letter-spacing var(--dur);
  margin-top: var(--sp-2);
}

.solution-card__link:hover { letter-spacing: .02em; }

/* Icon wrap */
.solution-card__head {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}

.solution-card__icon-wrap {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  flex-shrink: 0;
}
/* unified icon bg */
.solution-card__icon-wrap--blue,
.solution-card__icon-wrap--green,
.solution-card__icon-wrap--orange,
.solution-card__icon-wrap--navy,
.solution-card__icon-wrap--purple,
.solution-card__icon-wrap--teal  { background: var(--color-primary); }

.solution-card__icon-wrap svg {
  width: 26px; height: 26px;
  stroke: var(--blue-400);
}

/* "あるある" scene callout */
.solution-card__scene {
  background: var(--color-bg);
  border-left: 3px solid var(--color-accent);
  padding: var(--sp-3) var(--sp-4);
  border-radius: 0 var(--radius) var(--radius) 0;
}
.solution-card__scene-label {
  font-size: 10px;
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: .07em;
  display: block;
  margin-bottom: 4px;
}
.solution-card__scene p {
  font-size: var(--text-xs);
  color: var(--color-text-mid);
  font-style: italic;
  line-height: 1.65;
  margin: 0;
}

/* Arrow divider */
.solution-card__arrow-row {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}
.solution-card__arrow-line {
  flex: 1;
  height: 1px;
  background: var(--color-border);
}
.solution-card__arrow-text {
  font-size: 11px;
  font-weight: 700;
  color: var(--color-accent);
  white-space: nowrap;
  letter-spacing: .06em;
}

/* Outcome bullets */
.solution-card__outcomes {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  flex: 1;
}
.solution-card__outcomes li {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-2);
  font-size: var(--text-xs);
  color: var(--color-text);
  line-height: 1.65;
}
.solution-card__outcomes li::before {
  content: '✓';
  color: var(--color-accent);
  font-weight: 900;
  font-size: 11px;
  flex-shrink: 0;
  margin-top: 2px;
}

/* Horizontal card for top page */
.hcard {
  display: flex;
  gap: var(--sp-5);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--sp-8);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--dur-md), transform var(--dur-md),
              border-color var(--dur-md), background var(--dur-md);
  cursor: pointer;
}
.hcard:hover {
  background: var(--color-accent-bg);
  box-shadow: var(--shadow);
  transform: translateY(-2px);
  border-color: var(--color-accent);
}
.hcard__icon-wrap {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  flex-shrink: 0;
}
.hcard__icon-wrap--blue,
.hcard__icon-wrap--green,
.hcard__icon-wrap--orange,
.hcard__icon-wrap--navy   { background: var(--color-primary); }

.hcard__icon-wrap svg { width: 28px; height: 28px; stroke: var(--blue-400); }
.hcard__body { display: flex; flex-direction: column; gap: var(--sp-4); flex: 1; }
.hcard__tag {
  display: inline-block;
  padding: 2px var(--sp-3);
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .04em;
  align-self: flex-start;
}
.hcard__tag--blue,
.hcard__tag--green,
.hcard__tag--orange,
.hcard__tag--navy   { background: var(--color-accent-bg); color: var(--color-accent); }
.hcard__title {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.4;
  margin: 0;
}
.hcard__scene {
  font-size: var(--text-xs);
  color: var(--color-text-mid);
  background: var(--color-bg);
  border-left: 2px solid var(--color-accent);
  padding: var(--sp-3) var(--sp-4);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-style: italic;
  line-height: 1.7;
}
.hcard__outcomes {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}
.hcard__outcomes li {
  font-size: var(--text-xs);
  color: var(--color-text);
  display: flex;
  align-items: flex-start;
  gap: var(--sp-2);
  line-height: 1.6;
}
.hcard__outcomes li::before {
  content: '✓';
  color: var(--color-accent);
  font-weight: 900;
  font-size: 10px;
  flex-shrink: 0;
  margin-top: 2px;
}
.hcard__link {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-accent);
  margin-top: var(--sp-1);
}

/* Responsive */
@media (max-width: 1023px) {
  .solution-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 767px) {
  .solution-grid { grid-template-columns: 1fr; }
  .hcard { flex-direction: column; gap: var(--sp-4); }
  .hcard__icon-wrap { width: 44px; height: 44px; }
}

/* ============================================================
   Scroll animations
   ============================================================ */
.fade-up {
  transition: opacity .7s cubic-bezier(.22,.61,.36,1),
              transform .7s cubic-bezier(.22,.61,.36,1);
}
.fade-up.anim-ready {
  opacity: 0;
  transform: translateY(32px);
}
.fade-up.is-visible { opacity: 1; transform: none; }

.fade-in {
  transition: opacity .7s ease;
}
.fade-in.anim-ready { opacity: 0; }
.fade-in.is-visible { opacity: 1; }

/* stagger children: JS adds .stagger--ready to enable hiding (progressive enhancement) */
.stagger--ready > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .6s cubic-bezier(.22,.61,.36,1),
              transform .6s cubic-bezier(.22,.61,.36,1);
}
.stagger--ready.is-visible > * { opacity: 1; transform: none; }
.stagger--ready.is-visible > *:nth-child(1) { transition-delay: 0s; }
.stagger--ready.is-visible > *:nth-child(2) { transition-delay: .08s; }
.stagger--ready.is-visible > *:nth-child(3) { transition-delay: .16s; }
.stagger--ready.is-visible > *:nth-child(4) { transition-delay: .24s; }
.stagger--ready.is-visible > *:nth-child(5) { transition-delay: .32s; }
.stagger--ready.is-visible > *:nth-child(6) { transition-delay: .40s; }
.stagger--ready.is-visible > *:nth-child(7) { transition-delay: .48s; }
.stagger--ready.is-visible > *:nth-child(8) { transition-delay: .56s; }

/* hero loads immediately */
.hero .fade-up { transition-delay: 0s; }
.hero .fade-up:nth-child(2) { transition-delay: .15s; }
.hero .fade-up:nth-child(3) { transition-delay: .3s; }
.hero .fade-up:nth-child(4) { transition-delay: .45s; }