/* ============================================
   株式会社LIVION コーポレートサイト 共通スタイル
   ============================================ */
:root {
  --purple: #4a3d99;
  --purple-deep: #372e78;
  --purple-soft: #6a5cc0;
  --ink: #2b2545;
  --gray: #6f6a85;
  --bg: #ffffff;
  --bg-soft: #f7f6fc;
  --line: #e7e4f4;
  --rainbow: linear-gradient(90deg, #e8504f, #f59a3e, #f7d34e, #59b95c, #4a8fd9, #7c5bd6);
  --serif: "Shippori Mincho", "Hiragino Mincho ProN", "Yu Mincho", Georgia, serif;
  --sans: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.9;
  font-size: 16px;
  letter-spacing: 0.02em;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.container { max-width: 1080px; margin: 0 auto; padding: 0 24px; }

/* ---------- rainbow top bar ---------- */
.rainbow-bar { height: 4px; background: var(--rainbow); }

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 76px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand img { width: 52px; height: 52px; }
.brand-text { line-height: 1.3; }
.brand-name {
  font-family: var(--serif);
  font-size: 22px; letter-spacing: 0.28em;
  color: var(--purple); font-weight: 600;
}
.brand-sub { font-size: 10px; letter-spacing: 0.18em; color: var(--purple-soft); }

.global-nav { display: flex; align-items: center; gap: 34px; }
.global-nav a {
  font-size: 14px; font-weight: 500; color: var(--ink);
  position: relative; padding: 6px 0; transition: color 0.25s;
}
.global-nav a::after {
  content: ""; position: absolute; left: 0; bottom: 0;
  width: 0; height: 2px; background: var(--rainbow);
  transition: width 0.3s ease;
}
.global-nav a:hover, .global-nav a.current { color: var(--purple); }
.global-nav a:hover::after, .global-nav a.current::after { width: 100%; }

.nav-cta {
  background: var(--purple); color: #fff !important;
  padding: 10px 24px !important; border-radius: 999px;
  font-size: 13px !important; letter-spacing: 0.08em;
  transition: opacity 0.25s, transform 0.25s;
}
.nav-cta::after { display: none; }
.nav-cta:hover { opacity: 0.85; transform: translateY(-1px); }

/* ---------- hero (top) ---------- */
.hero {
  position: relative; overflow: hidden;
  background:
    radial-gradient(ellipse 800px 500px at 85% 10%, rgba(124, 91, 214, 0.10), transparent 60%),
    radial-gradient(ellipse 700px 450px at 10% 90%, rgba(74, 143, 217, 0.08), transparent 60%),
    var(--bg);
  padding: 96px 0 110px;
}
.hero-inner {
  display: flex; align-items: center; gap: 60px; flex-wrap: wrap;
}
.hero-copy { flex: 1 1 480px; }
.hero-tag {
  display: inline-block; font-size: 12px; letter-spacing: 0.25em;
  color: var(--purple-soft); border: 1px solid var(--line);
  border-radius: 999px; padding: 6px 18px; margin-bottom: 28px;
  background: #fff;
}
.hero h1 {
  font-family: var(--serif);
  font-size: clamp(34px, 5vw, 54px);
  line-height: 1.5; letter-spacing: 0.06em;
  color: var(--ink); font-weight: 600;
}
.hero h1 .accent {
  background: var(--rainbow);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}
.hero p.lead {
  margin-top: 26px; font-size: 16px; color: var(--gray); max-width: 560px;
}
.hero-actions { margin-top: 40px; display: flex; gap: 16px; flex-wrap: wrap; }
.btn-primary {
  display: inline-block; background: var(--purple); color: #fff;
  padding: 15px 42px; border-radius: 999px; font-size: 15px;
  letter-spacing: 0.1em; font-weight: 500;
  box-shadow: 0 10px 26px rgba(74, 61, 153, 0.28);
  transition: transform 0.25s, box-shadow 0.25s;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 32px rgba(74, 61, 153, 0.36); }
.btn-ghost {
  display: inline-block; color: var(--purple); border: 1.5px solid var(--purple);
  padding: 15px 42px; border-radius: 999px; font-size: 15px;
  letter-spacing: 0.1em; font-weight: 500; background: #fff;
  transition: background 0.25s, color 0.25s;
}
.btn-ghost:hover { background: var(--purple); color: #fff; }
.hero-logo { flex: 0 1 360px; margin: 0 auto; }
.hero-logo img { width: 100%; max-width: 360px; filter: drop-shadow(0 18px 40px rgba(74, 61, 153, 0.15)); }

/* ---------- section base ---------- */
section.block { padding: 96px 0; }
section.block.alt { background: var(--bg-soft); }
.sec-label {
  font-size: 12px; letter-spacing: 0.3em; color: var(--purple-soft);
  text-transform: uppercase; margin-bottom: 12px;
}
.sec-title {
  font-family: var(--serif); font-size: clamp(26px, 3.4vw, 36px);
  letter-spacing: 0.08em; color: var(--ink); font-weight: 600;
}
.sec-title-line {
  width: 64px; height: 3px; background: var(--rainbow);
  border-radius: 2px; margin-top: 20px;
}
.center { text-align: center; }
.center .sec-title-line { margin-left: auto; margin-right: auto; }
.sec-lead { margin-top: 24px; color: var(--gray); max-width: 680px; }
.center .sec-lead { margin-left: auto; margin-right: auto; }

/* ---------- service cards ---------- */
.svc-grid {
  margin-top: 56px; display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 28px;
}
.svc-card {
  background: #fff; border: 1px solid var(--line); border-radius: 20px;
  padding: 44px 36px; position: relative; overflow: hidden;
  transition: transform 0.3s, box-shadow 0.3s;
}
.svc-card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0;
  height: 4px; background: var(--rainbow);
}
.svc-card:hover { transform: translateY(-6px); box-shadow: 0 20px 44px rgba(74, 61, 153, 0.13); }
.svc-icon {
  width: 64px; height: 64px; border-radius: 18px;
  background: linear-gradient(135deg, #f0eefc, #e4ecfb);
  display: flex; align-items: center; justify-content: center;
  font-size: 30px; margin-bottom: 24px;
}
.svc-card h3 {
  font-family: var(--serif); font-size: 22px; letter-spacing: 0.06em;
  color: var(--purple); margin-bottom: 6px;
}
.svc-card .en { font-size: 11px; letter-spacing: 0.22em; color: var(--purple-soft); margin-bottom: 18px; }
.svc-card p { font-size: 14.5px; color: var(--gray); }
.svc-card .more {
  display: inline-block; margin-top: 22px; font-size: 13px;
  color: var(--purple); font-weight: 600; letter-spacing: 0.08em;
}
.svc-card .more::after { content: " →"; transition: margin-left 0.25s; }
.svc-card:hover .more::after { margin-left: 6px; }

/* ---------- strengths ---------- */
.strength-grid {
  margin-top: 56px; display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 24px;
}
.strength {
  background: #fff; border-radius: 16px; padding: 34px 28px;
  border: 1px solid var(--line);
}
.strength .num {
  font-family: var(--serif); font-size: 15px; letter-spacing: 0.2em;
  background: var(--rainbow);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
  font-weight: 700; margin-bottom: 14px;
}
.strength h4 { font-size: 17px; color: var(--ink); margin-bottom: 10px; letter-spacing: 0.04em; }
.strength p { font-size: 14px; color: var(--gray); }

/* ---------- message ---------- */
.message-box {
  margin-top: 56px; background: #fff; border-radius: 24px;
  border: 1px solid var(--line); padding: 60px 56px;
  position: relative; overflow: hidden;
}
.message-box::after {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0;
  width: 5px; background: var(--rainbow);
}
.message-box blockquote {
  font-family: var(--serif); font-size: 19px; line-height: 2.2;
  color: var(--ink); letter-spacing: 0.05em;
}
.message-box .sign { margin-top: 30px; text-align: right; color: var(--gray); font-size: 14px; }
.message-box .sign strong { color: var(--ink); font-size: 16px; margin-left: 10px; letter-spacing: 0.1em; }

/* ---------- CTA band ---------- */
.cta-band {
  background:
    radial-gradient(ellipse 600px 300px at 15% 20%, rgba(255,255,255,0.10), transparent),
    linear-gradient(120deg, var(--purple-deep), var(--purple) 55%, #5a4bb0);
  color: #fff; padding: 88px 0; text-align: center; position: relative; overflow: hidden;
}
.cta-band::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 4px;
  background: var(--rainbow);
}
.cta-band h2 {
  font-family: var(--serif); font-size: clamp(24px, 3.2vw, 34px);
  letter-spacing: 0.1em; font-weight: 600;
}
.cta-band p { margin-top: 18px; opacity: 0.85; font-size: 15px; }
.cta-band .btn-white {
  display: inline-block; margin-top: 38px; background: #fff; color: var(--purple);
  padding: 16px 52px; border-radius: 999px; font-weight: 600; letter-spacing: 0.1em;
  transition: transform 0.25s, box-shadow 0.25s;
  box-shadow: 0 12px 30px rgba(0,0,0,0.22);
}
.cta-band .btn-white:hover { transform: translateY(-2px); }

/* ---------- page hero (sub pages) ---------- */
.page-hero {
  background:
    radial-gradient(ellipse 700px 350px at 90% 0%, rgba(124, 91, 214, 0.10), transparent 60%),
    var(--bg-soft);
  padding: 78px 0 64px;
  border-bottom: 1px solid var(--line);
}
.page-hero .sec-label { margin-bottom: 8px; }
.page-hero h1 {
  font-family: var(--serif); font-size: clamp(30px, 4vw, 42px);
  letter-spacing: 0.1em; color: var(--ink); font-weight: 600;
}
.breadcrumb { margin-top: 18px; font-size: 12px; color: var(--gray); letter-spacing: 0.05em; }
.breadcrumb a { color: var(--purple-soft); }

/* ---------- service detail ---------- */
.svc-detail {
  display: flex; gap: 48px; align-items: flex-start;
  background: #fff; border: 1px solid var(--line); border-radius: 24px;
  padding: 56px 52px; margin-top: 48px; flex-wrap: wrap;
}
.svc-detail .icon-big {
  flex: 0 0 96px; width: 96px; height: 96px; border-radius: 24px;
  background: linear-gradient(135deg, #f0eefc, #e4ecfb);
  display: flex; align-items: center; justify-content: center; font-size: 46px;
}
.svc-detail .body { flex: 1 1 420px; }
.svc-detail h3 {
  font-family: var(--serif); font-size: 26px; color: var(--purple);
  letter-spacing: 0.06em;
}
.svc-detail .en { font-size: 11px; letter-spacing: 0.24em; color: var(--purple-soft); margin-bottom: 20px; }
.svc-detail p { color: var(--gray); font-size: 15px; }
.svc-detail ul { margin-top: 22px; list-style: none; }
.svc-detail li {
  padding: 13px 0 13px 34px; border-bottom: 1px dashed var(--line);
  font-size: 14.5px; position: relative;
}
.svc-detail li::before {
  content: "✦"; position: absolute; left: 6px; color: var(--purple-soft);
}
.svc-detail li:last-child { border-bottom: none; }

.other-biz {
  margin-top: 48px; background: var(--bg-soft); border-radius: 20px; padding: 44px 48px;
}
.other-biz h3 { font-family: var(--serif); font-size: 20px; color: var(--ink); letter-spacing: 0.08em; margin-bottom: 20px; }
.other-biz .chips { display: flex; flex-wrap: wrap; gap: 12px; }
.other-biz .chip {
  background: #fff; border: 1px solid var(--line); border-radius: 999px;
  padding: 9px 22px; font-size: 13.5px; color: var(--ink);
}

/* ---------- company table ---------- */
.company-table {
  width: 100%; margin-top: 48px; border-collapse: collapse;
  background: #fff; border: 1px solid var(--line); border-radius: 16px; overflow: hidden;
}
.company-table th, .company-table td {
  padding: 24px 30px; text-align: left; font-size: 15px;
  border-bottom: 1px solid var(--line); vertical-align: top;
}
.company-table tr:last-child th, .company-table tr:last-child td { border-bottom: none; }
.company-table th {
  width: 220px; background: var(--bg-soft); color: var(--purple);
  font-weight: 600; letter-spacing: 0.08em;
}
.company-table td { color: var(--ink); }
.company-table td ol { padding-left: 20px; }
.company-table td ol li { margin: 4px 0; color: var(--gray); font-size: 14px; }

.philosophy {
  margin-top: 64px; text-align: center; padding: 64px 32px;
  background: var(--bg-soft); border-radius: 24px;
}
.philosophy .word {
  font-family: var(--serif); font-size: clamp(24px, 3.4vw, 34px);
  letter-spacing: 0.14em; color: var(--purple); font-weight: 600;
}
.philosophy p { margin-top: 22px; color: var(--gray); max-width: 620px; margin-left: auto; margin-right: auto; font-size: 15px; }

/* ---------- contact form ---------- */
.contact-wrap { max-width: 720px; margin: 48px auto 0; }
.contact-note {
  background: var(--bg-soft); border-radius: 14px; padding: 20px 26px;
  font-size: 13.5px; color: var(--gray); margin-bottom: 36px;
  border: 1px solid var(--line);
}
.form-group { margin-bottom: 28px; }
.form-group label {
  display: block; font-size: 14px; font-weight: 600; color: var(--ink);
  margin-bottom: 10px; letter-spacing: 0.05em;
}
.req {
  display: inline-block; background: var(--purple); color: #fff;
  font-size: 10px; padding: 2px 10px; border-radius: 999px;
  margin-left: 10px; vertical-align: 2px; letter-spacing: 0.1em;
}
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 15px 18px; font-size: 15px; font-family: var(--sans);
  border: 1.5px solid var(--line); border-radius: 12px; background: #fff;
  color: var(--ink); transition: border-color 0.25s, box-shadow 0.25s;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none; border-color: var(--purple-soft);
  box-shadow: 0 0 0 4px rgba(106, 92, 192, 0.12);
}
.form-group textarea { min-height: 180px; resize: vertical; }
.consent-box {
  margin-top: 36px; text-align: center;
  background: var(--bg-soft); border: 1px solid var(--line);
  border-radius: 12px; padding: 20px;
}
.consent {
  display: inline-flex; align-items: center; gap: 12px;
  font-size: 14.5px; color: var(--ink); cursor: pointer;
}
.consent input[type="checkbox"] {
  width: 20px; height: 20px; accent-color: var(--purple); cursor: pointer;
}
.consent a { color: var(--purple); text-decoration: underline; }
.form-submit { text-align: center; margin-top: 40px; }
.form-submit button {
  background: var(--purple); color: #fff; border: none; cursor: pointer;
  padding: 17px 72px; border-radius: 999px; font-size: 15px; font-family: var(--sans);
  font-weight: 600; letter-spacing: 0.14em;
  box-shadow: 0 10px 26px rgba(74, 61, 153, 0.28);
  transition: transform 0.25s, opacity 0.25s;
}
.form-submit button:hover { transform: translateY(-2px); opacity: 0.9; }
.form-msg {
  display: none; margin-top: 26px; text-align: center;
  background: var(--bg-soft); border: 1px solid var(--line);
  border-radius: 12px; padding: 18px; font-size: 14px; color: var(--purple);
}

/* ---------- footer ---------- */
.site-footer {
  background: #241f45; color: #cfcbe8; padding: 64px 0 0; margin-top: 0;
}
.footer-inner {
  display: flex; justify-content: space-between; gap: 40px; flex-wrap: wrap;
  padding-bottom: 48px;
}
.footer-brand .brand-name { color: #fff; }
.footer-brand .brand-sub { color: #b7aef0; }
.footer-brand p { margin-top: 16px; font-size: 13px; color: #9d97c4; }
.footer-nav { display: flex; gap: 60px; flex-wrap: wrap; }
.footer-nav ul { list-style: none; }
.footer-nav li { margin: 10px 0; }
.footer-nav a { font-size: 13.5px; color: #cfcbe8; transition: color 0.25s; }
.footer-nav a:hover { color: #fff; }
.footer-nav .head { font-size: 12px; letter-spacing: 0.2em; color: #8f88bd; margin-bottom: 14px; }
.copyright {
  border-top: 1px solid rgba(255,255,255,0.10); padding: 22px 0;
  text-align: center; font-size: 12px; color: #8f88bd; letter-spacing: 0.08em;
}
.footer-rainbow { height: 4px; background: var(--rainbow); }

/* ---------- reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.8s ease, transform 0.8s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* ---------- responsive ---------- */
@media (max-width: 860px) {
  .global-nav { gap: 18px; }
  .global-nav a { font-size: 12.5px; }
  .nav-cta { padding: 8px 16px !important; }
  .brand-name { font-size: 18px; }
  .brand img { width: 42px; height: 42px; }
  .hero { padding: 64px 0 72px; }
  section.block { padding: 68px 0; }
  .svc-detail { padding: 40px 28px; }
  .message-box { padding: 40px 28px; }
  .company-table th { width: 130px; padding: 18px 16px; font-size: 13.5px; }
  .company-table td { padding: 18px 16px; font-size: 14px; }
}
@media (max-width: 620px) {
  .header-inner { height: auto; padding: 12px 0; flex-direction: column; gap: 10px; }
  .brand-sub { display: none; }
}