/* ==========================================================================
   IKENAO GROUP 採用サイト - style.css
   ========================================================================== */

:root {
  --color-primary: #1f7a6c;
  --color-primary-dark: #145c50;
  --color-primary-light: #e8f4f1;
  --color-primary-lighter: #f4faf9;
  --color-accent: #ef9459;
  --color-accent-dark: #d97b3f;
  --color-text: #22302c;
  --color-text-muted: #5c6d67;
  --color-text-faint: #8b9a95;
  --color-border: #e1e8e5;
  --color-bg: #ffffff;
  --color-bg-alt: #f7faf9;
  --color-bg-dark: #16332d;
  --shadow-sm: 0 1px 3px rgba(22, 51, 45, 0.08);
  --shadow-md: 0 6px 20px rgba(22, 51, 45, 0.10);
  --shadow-lg: 0 16px 40px rgba(22, 51, 45, 0.14);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --max-width: 1120px;
  --header-height: 72px;
  --font-base: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-base);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.8;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, p { margin: 0; }
button { font-family: inherit; cursor: pointer; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Utility ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--color-primary);
  text-transform: uppercase;
  margin-bottom: 12px;
}
.eyebrow::before {
  content: "";
  width: 24px;
  height: 2px;
  background: var(--color-accent);
  display: inline-block;
}
.section { padding: 88px 0; }
.section-alt { background: var(--color-bg-alt); }
.section-title {
  font-size: clamp(24px, 4vw, 34px);
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 16px;
}
.section-lead {
  color: var(--color-text-muted);
  font-size: 16px;
  max-width: 680px;
  margin-bottom: 48px;
}
.section-head { margin-bottom: 48px; }
.center { text-align: center; margin-left: auto; margin-right: auto; }
.grid { display: grid; gap: 28px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.mt-0 { margin-top: 0; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 15px 32px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 15px;
  border: 2px solid transparent;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, color 0.15s ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--color-accent);
  color: #ffffff;
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover { background: var(--color-accent-dark); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-outline {
  background: transparent;
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.btn-outline:hover { background: var(--color-primary); color: #fff; transform: translateY(-2px); }
.btn-ghost {
  background: rgba(255,255,255,0.12);
  border-color: rgba(255,255,255,0.5);
  color: #fff;
}
.btn-ghost:hover { background: rgba(255,255,255,0.25); }
.btn-block { width: 100%; }
.btn-sm { padding: 10px 20px; font-size: 13px; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.94);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
  height: var(--header-height);
}
.site-header .container {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; }
.brand .mark {
  width: 38px; height: 38px; border-radius: 10px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: #fff; display: flex; align-items: center; justify-content: center;
  font-size: 15px; letter-spacing: -0.5px;
}
.brand .name { font-size: 15px; line-height: 1.3; }
.brand .name small { display: block; font-weight: 500; font-size: 11px; color: var(--color-text-muted); letter-spacing: 0.04em; }

.nav-desktop { display: flex; align-items: center; gap: 4px; }
.nav-desktop a {
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 600;
  border-radius: 999px;
  color: var(--color-text);
  transition: background 0.15s, color 0.15s;
}
.nav-desktop a:hover, .nav-desktop a.active { background: var(--color-primary-light); color: var(--color-primary-dark); }
.header-cta { display: flex; align-items: center; gap: 10px; }

.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  background: #fff;
  align-items: center;
  justify-content: center;
}
.nav-toggle span, .nav-toggle::before, .nav-toggle::after { display: none; }
.nav-toggle svg { width: 20px; height: 20px; }

.nav-mobile {
  display: none;
  position: fixed;
  inset: 0 0 0 0;
  background: #fff;
  z-index: 99;
  padding: 24px;
  overflow-y: auto;
}
.nav-mobile.open { display: block; }
.nav-mobile a {
  display: block;
  padding: 16px 4px;
  font-size: 17px;
  font-weight: 700;
  border-bottom: 1px solid var(--color-border);
}
.nav-mobile .header-cta { flex-direction: column; margin-top: 24px; }
.nav-mobile .header-cta .btn { width: 100%; }

/* ---------- Breadcrumb ---------- */
.breadcrumb {
  font-size: 12px;
  color: var(--color-text-faint);
  padding: 18px 0;
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.breadcrumb a { color: var(--color-text-muted); }
.breadcrumb a:hover { color: var(--color-primary); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  color: #fff;
  padding: 120px 0 100px;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(120deg, rgba(20,44,39,0.92), rgba(20,44,39,0.62));
  z-index: 1;
}
.hero .hero-bg {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  z-index: 0;
}
.hero .container { position: relative; z-index: 2; }
.hero h1 { font-size: clamp(30px, 5vw, 50px); font-weight: 700; line-height: 1.45; margin-bottom: 20px; }
.hero p.lead { font-size: 17px; color: rgba(255,255,255,0.86); max-width: 620px; margin-bottom: 36px; }
.hero .hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero .hero-tags { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 24px; }
.hero .hero-tags span {
  font-size: 12px; font-weight: 700; padding: 6px 14px; border-radius: 999px;
  background: rgba(255,255,255,0.14); border: 1px solid rgba(255,255,255,0.3);
}

.page-hero {
  padding: 64px 0 56px;
  background: var(--color-bg-dark);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.page-hero::after {
  content: "";
  position: absolute; right: -60px; top: -60px; width: 260px; height: 260px;
  border-radius: 50%; background: rgba(239,148,89,0.18);
}
.page-hero .container { position: relative; z-index: 1; }
.page-hero .eyebrow { color: var(--color-accent); }
.page-hero h1 { font-size: clamp(26px, 4vw, 38px); font-weight: 700; margin-bottom: 12px; }
.page-hero p { color: rgba(255,255,255,0.78); max-width: 640px; }

/* ---------- Cards ---------- */
.card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.card img { aspect-ratio: 4/3; object-fit: cover; width: 100%; }
.card .card-body { padding: 22px; }
.card .card-tag {
  display: inline-block; font-size: 11px; font-weight: 700; color: var(--color-primary);
  background: var(--color-primary-light); padding: 4px 10px; border-radius: 999px; margin-bottom: 10px;
}
.card h3 { font-size: 17px; font-weight: 700; margin-bottom: 8px; line-height: 1.5; }
.card p { color: var(--color-text-muted); font-size: 14px; }

/* Staff / interview cards */
.staff-card { text-align: center; }
.staff-card img { aspect-ratio: 1/1; object-fit: cover; border-radius: var(--radius-md) var(--radius-md) 0 0; }
.staff-card .role { font-size: 12px; font-weight: 700; color: var(--color-accent-dark); margin-bottom: 4px; }
.staff-card h3 { font-size: 16px; }
.staff-card .badge { font-size: 11px; color: var(--color-text-faint); margin-top: 4px; }

/* Job type card */
.job-card { display: flex; flex-direction: column; height: 100%; }
.job-card .card-body { flex: 1; display: flex; flex-direction: column; }
.job-card ul { margin-top: 14px; display: flex; flex-direction: column; gap: 8px; }
.job-card li { font-size: 13px; color: var(--color-text-muted); padding-left: 18px; position: relative; }
.job-card li::before {
  content: "";
  position: absolute; left: 0; top: 7px; width: 8px; height: 8px; border-radius: 50%;
  background: var(--color-accent);
}

/* Stat card */
.stat-card {
  background: var(--color-bg-alt);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  border: 1px solid var(--color-border);
}
.stat-card .num { font-size: 40px; font-weight: 800; color: var(--color-primary); line-height: 1; }
.stat-card .num span { font-size: 18px; font-weight: 700; margin-left: 2px; }
.stat-card .label { margin-top: 10px; font-size: 13px; color: var(--color-text-muted); font-weight: 600; }

/* Vision numbered list */
.vision-list { display: flex; flex-direction: column; gap: 0; }
.vision-item {
  display: grid; grid-template-columns: 64px 1fr; gap: 24px;
  padding: 32px 0; border-bottom: 1px solid var(--color-border);
}
.vision-item:first-child { padding-top: 0; }
.vision-item .idx { font-size: 32px; font-weight: 800; color: var(--color-primary-light); -webkit-text-stroke: 1.5px var(--color-primary); }
.vision-item h3 { font-size: 19px; margin-bottom: 10px; }
.vision-item p { color: var(--color-text-muted); font-size: 15px; }

/* ---------- Quote / message ---------- */
.message-block { display: grid; grid-template-columns: 320px 1fr; gap: 56px; align-items: center; }
.message-block img { border-radius: var(--radius-lg); aspect-ratio: 3/4; object-fit: cover; box-shadow: var(--shadow-lg); }
.message-block .quote-mark { font-size: 64px; color: var(--color-primary-light); font-weight: 800; line-height: 0.5; display: block; margin-bottom: 8px; }
.message-block h2 { font-size: 24px; margin-bottom: 20px; }
.message-block p { color: var(--color-text-muted); margin-bottom: 16px; }
.message-block .signature { margin-top: 24px; font-weight: 700; }
.message-block .signature small { display: block; font-weight: 500; color: var(--color-text-muted); font-size: 12px; margin-top: 2px; }

/* ---------- Timeline (1日の流れ) ---------- */
.timeline { display: flex; flex-direction: column; gap: 0; }
.timeline-item { display: grid; grid-template-columns: 88px 1fr; gap: 20px; position: relative; padding-bottom: 32px; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-item .time { font-weight: 800; color: var(--color-primary); font-size: 15px; padding-top: 2px; }
.timeline-item .dot-col { display: none; }
.timeline-item .content { border-left: 2px solid var(--color-border); padding-left: 20px; padding-bottom: 4px; position: relative; }
.timeline-item .content::before {
  content: ""; position: absolute; left: -7px; top: 4px; width: 12px; height: 12px; border-radius: 50%;
  background: var(--color-accent); border: 2px solid #fff; box-shadow: 0 0 0 2px var(--color-accent);
}
.timeline-item:last-child .content { border-left-color: transparent; }
.timeline-item .content h4 { font-size: 15px; margin-bottom: 4px; }
.timeline-item .content p { font-size: 14px; color: var(--color-text-muted); }

/* ---------- Interview page ---------- */
.interview-hero { display: grid; grid-template-columns: 280px 1fr; gap: 40px; align-items: end; }
.interview-hero img { border-radius: var(--radius-lg); aspect-ratio: 1/1; object-fit: cover; box-shadow: var(--shadow-lg); }
.interview-hero .role-tag { display: inline-block; background: var(--color-accent); color: #fff; font-size: 12px; font-weight: 700; padding: 5px 14px; border-radius: 999px; margin-bottom: 14px; }
.interview-hero h1 { font-size: clamp(24px, 3.4vw, 32px); margin-bottom: 10px; }
.interview-hero .meta { display: flex; gap: 18px; flex-wrap: wrap; color: rgba(255,255,255,0.75); font-size: 13px; }
.qa-block { margin-bottom: 40px; }
.qa-block .q { font-weight: 700; font-size: 17px; color: var(--color-primary-dark); margin-bottom: 12px; display: flex; gap: 10px; }
.qa-block .q .qmark { flex-shrink: 0; width: 28px; height: 28px; border-radius: 50%; background: var(--color-primary); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 13px; }
.qa-block .a { color: var(--color-text-muted); padding-left: 38px; }
.qa-block .a p + p { margin-top: 12px; }

.interview-nav { display: flex; justify-content: space-between; gap: 16px; border-top: 1px solid var(--color-border); padding-top: 32px; margin-top: 16px; flex-wrap: wrap; }
.interview-nav a { font-size: 13px; font-weight: 700; color: var(--color-primary); display: flex; align-items: center; gap: 6px; }

/* ---------- FAQ ---------- */
.faq-item { border-bottom: 1px solid var(--color-border); }
.faq-q {
  width: 100%; text-align: left; background: none; border: none; padding: 22px 4px;
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  font-size: 16px; font-weight: 700; color: var(--color-text);
}
.faq-q .icon { flex-shrink: 0; width: 26px; height: 26px; border-radius: 50%; border: 1.5px solid var(--color-primary); color: var(--color-primary); display: flex; align-items: center; justify-content: center; font-size: 16px; transition: transform 0.2s ease; }
.faq-item.open .faq-q .icon { transform: rotate(45deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height 0.25s ease; }
.faq-item.open .faq-a { max-height: 400px; }
.faq-a-inner { padding: 0 4px 24px 4px; color: var(--color-text-muted); font-size: 14.5px; }

/* ---------- Table (募集要項) ---------- */
.spec-table { width: 100%; border-collapse: collapse; }
.spec-table tr { border-bottom: 1px solid var(--color-border); }
.spec-table th, .spec-table td { text-align: left; padding: 18px 16px; font-size: 14.5px; vertical-align: top; }
.spec-table th { width: 170px; color: var(--color-primary-dark); font-weight: 700; background: var(--color-bg-alt); }
.spec-table td { color: var(--color-text-muted); }
.spec-wrap { border: 1px solid var(--color-border); border-radius: var(--radius-md); overflow: hidden; }

/* ---------- Recruit type cards ---------- */
.recruit-type-card {
  border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: 32px;
  display: flex; flex-direction: column; gap: 14px; background: #fff;
}
.recruit-type-card .tag { font-size: 12px; font-weight: 700; color: var(--color-accent-dark); }
.recruit-type-card h3 { font-size: 20px; }
.recruit-type-card p { color: var(--color-text-muted); font-size: 14px; flex: 1; }

/* ---------- Info list ---------- */
.info-list { display: flex; flex-direction: column; }
.info-row {
  display: grid; grid-template-columns: 120px 90px 1fr; gap: 18px; align-items: center;
  padding: 22px 4px; border-bottom: 1px solid var(--color-border);
}
.info-row .date { font-weight: 700; color: var(--color-text-muted); font-size: 13px; }
.info-row .tag { font-size: 11px; font-weight: 700; color: #fff; background: var(--color-primary); padding: 4px 10px; border-radius: 999px; width: fit-content; }
.info-row .title { font-size: 15px; font-weight: 600; }

/* ---------- CTA band ---------- */
.cta-band {
  background: linear-gradient(120deg, var(--color-primary-dark), var(--color-primary));
  color: #fff; border-radius: var(--radius-lg); padding: 56px; text-align: center;
}
.cta-band h2 { font-size: 26px; margin-bottom: 14px; }
.cta-band p { color: rgba(255,255,255,0.82); margin-bottom: 28px; }
.cta-band .actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ---------- External link list (recruit top) ---------- */
.ext-link-card {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: 24px;
  background: #fff;
}
.ext-link-card .left { display: flex; align-items: center; gap: 16px; }
.ext-link-card .ico { width: 46px; height: 46px; border-radius: 12px; background: var(--color-primary-light); color: var(--color-primary); display: flex; align-items: center; justify-content: center; font-weight: 800; }
.ext-link-card h4 { font-size: 15px; margin-bottom: 3px; }
.ext-link-card p { font-size: 12.5px; color: var(--color-text-faint); }

/* ---------- Form ---------- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-field { display: flex; flex-direction: column; gap: 8px; }
.form-field.full { grid-column: 1 / -1; }
.form-field label { font-size: 13.5px; font-weight: 700; }
.form-field label .req { color: var(--color-accent-dark); font-size: 11px; margin-left: 6px; font-weight: 700; }
.form-field label .opt { color: var(--color-text-faint); font-size: 11px; margin-left: 6px; font-weight: 500; }
.form-field input, .form-field select, .form-field textarea {
  padding: 13px 16px; border: 1px solid var(--color-border); border-radius: var(--radius-sm);
  font-family: inherit; font-size: 14.5px; background: #fff; color: var(--color-text);
}
.form-field textarea { resize: vertical; min-height: 120px; }
.form-field input:focus, .form-field select:focus, .form-field textarea:focus { outline: 2px solid var(--color-primary); outline-offset: 1px; }
.form-note { font-size: 12.5px; color: var(--color-text-faint); margin-top: 6px; }
.form-submit { margin-top: 12px; text-align: center; }
.form-demo-badge {
  background: #fff7ef; border: 1px solid #f3d8b8; color: var(--color-accent-dark);
  padding: 14px 18px; border-radius: var(--radius-sm); font-size: 13px; margin-bottom: 32px;
}

/* ---------- Footer ---------- */
.site-footer { background: var(--color-bg-dark); color: rgba(255,255,255,0.72); padding: 64px 0 28px; margin-top: 40px; }
.footer-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,0.12); }
.footer-brand .brand .name { color: #fff; }
.footer-brand .brand .name small { color: rgba(255,255,255,0.55); }
.footer-brand p { font-size: 13px; margin-top: 16px; color: rgba(255,255,255,0.6); max-width: 260px; }
.footer-col h5 { color: #fff; font-size: 13px; margin-bottom: 16px; letter-spacing: 0.06em; }
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col a { font-size: 13.5px; }
.footer-col a:hover { color: #fff; }
.footer-social { display: flex; gap: 10px; margin-top: 18px; }
.footer-social a { width: 34px; height: 34px; border-radius: 50%; border: 1px solid rgba(255,255,255,0.3); display: flex; align-items: center; justify-content: center; font-size: 13px; }
.footer-bottom { padding-top: 24px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-size: 12px; color: rgba(255,255,255,0.45); }

/* ---------- Misc ---------- */
.divider-note { text-align: center; color: var(--color-text-faint); font-size: 13px; margin-top: 24px; }
.tag-row { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 20px; }
.pill { font-size: 12px; font-weight: 700; padding: 6px 14px; border-radius: 999px; background: var(--color-primary-light); color: var(--color-primary-dark); }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.two-col img { border-radius: var(--radius-lg); box-shadow: var(--shadow-md); aspect-ratio: 4/3; object-fit: cover; }
.check-list li { padding-left: 30px; position: relative; margin-bottom: 14px; font-size: 15px; color: var(--color-text-muted); }
.check-list li::before { content: "✓"; position: absolute; left: 0; top: -1px; color: #fff; background: var(--color-primary); width: 20px; height: 20px; border-radius: 50%; font-size: 12px; display: flex; align-items: center; justify-content: center; font-weight: 800; }

.notice-demo {
  background: var(--color-accent);
  color: #fff;
  text-align: center;
  font-size: 12.5px;
  font-weight: 700;
  padding: 9px 12px;
  letter-spacing: 0.02em;
}

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .message-block, .two-col { grid-template-columns: 1fr; }
  .message-block img { max-width: 260px; margin: 0 auto; }
  .interview-hero { grid-template-columns: 1fr; }
  .interview-hero img { max-width: 200px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  .nav-desktop, .header-cta.desktop-only { display: none; }
  .nav-toggle { display: flex; }
  .section { padding: 60px 0; }
  .hero { padding: 80px 0 64px; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .vision-item { grid-template-columns: 44px 1fr; gap: 14px; padding: 24px 0; }
  .vision-item .idx { font-size: 24px; }
  .form-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
  .cta-band { padding: 36px 24px; }
  .spec-table th { width: 120px; font-size: 13px; }
  .spec-table th, .spec-table td { padding: 14px 12px; font-size: 13.5px; }
  .ext-link-card { flex-direction: column; align-items: flex-start; }
  .ext-link-card .btn { width: 100%; }
}