/* ==========================================================
   アクシリウム株式会社 コーポレートサイト
   見た目と画面遷移を確認するための簡易スタイル
   ========================================================== */

:root {
  /* 色トークン */
  --ink: #14181f;          /* 藍墨：背景の濃色 */
  --ink-soft: #1c212b;     /* 藍墨よりわずかに明るい面 */
  --paper: #f4efe4;        /* 生成り紙：明色パネル背景 */
  --paper-soft: #ece4d2;   /* 生成り紙の陰影面 */
  --text-on-ink: #f4efe4;
  --text-on-ink-dim: #b9b2a2;
  --text-on-paper: #2b2820;
  --text-on-paper-dim: #6b6455;
  --bronze: #b4884a;       /* 金古美：共通アクセント */
  --line: rgba(180, 136, 74, 0.35);

  /* 事業部カラー */
  --it-accent: #4a6fa5;    /* 藍 */
  --ad-accent: #b5542e;    /* 弁柄 */
  --beauty-accent: #a8637a;/* 梅鼠 */

  /* フォント */
  --font-display: "Zen Old Mincho", serif;
  --font-body: "Zen Kaku Gothic New", "Hiragino Sans", sans-serif;
  --font-latin: "Cormorant Garamond", serif;

  --container: 1080px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--text-on-paper);
  font-family: var(--font-body);
  line-height: 1.9;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.5;
  margin: 0;
}

a { color: inherit; text-decoration: none; }

.wrap {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
}

/* ---------- ヘッダー ---------- */
.site-header {
  background: var(--ink);
  color: var(--text-on-ink);
  padding: 22px 0;
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid rgba(180, 136, 74, 0.25);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-family: var(--font-latin);
  letter-spacing: 0.08em;
}

.brand .brand-mark {
  font-family: var(--font-display);
  font-size: 20px;
  color: var(--bronze);
}

.brand .brand-en {
  font-size: 13px;
  color: var(--text-on-ink-dim);
  letter-spacing: 0.22em;
}

.site-nav {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
  font-size: 14px;
  letter-spacing: 0.05em;
}

.site-nav a {
  position: relative;
  padding-bottom: 4px;
  color: var(--text-on-ink-dim);
  transition: color 0.2s ease;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--text-on-ink);
}

.site-nav a[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1px;
  background: var(--bronze);
}

/* ---------- ヒーロー（濃色帯） ---------- */
.hero {
  background: var(--ink);
  color: var(--text-on-ink);
  padding: 96px 0 88px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(180,136,74,0.14) 1px, transparent 1px),
    linear-gradient(90deg, rgba(180,136,74,0.14) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse at top right, black, transparent 70%);
  pointer-events: none;
}

.hero .eyebrow {
  font-family: var(--font-latin);
  letter-spacing: 0.3em;
  font-size: 13px;
  color: var(--bronze);
  margin-bottom: 22px;
}

.hero h1 {
  font-size: clamp(34px, 5vw, 56px);
  max-width: 14ch;
}

.hero p.lead {
  margin-top: 24px;
  max-width: 46ch;
  color: var(--text-on-ink-dim);
  font-size: 16px;
}

.hero-page {
  padding: 72px 0 64px;
}

.hero-page .division-seal {
  margin-bottom: 28px;
}

/* ---------- ボタン ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 36px;
  padding: 14px 30px;
  border: 1px solid var(--bronze);
  color: var(--text-on-ink);
  font-size: 14px;
  letter-spacing: 0.08em;
  transition: background 0.2s ease, color 0.2s ease;
}

.btn:hover {
  background: var(--bronze);
  color: var(--ink);
}

.btn-solid {
  background: var(--bronze);
  color: var(--ink);
  border-color: var(--bronze);
}

.btn-solid:hover {
  background: transparent;
  color: var(--text-on-ink);
}

.btn-arrow { font-family: var(--font-latin); }

/* ---------- 印章（花押）コンポーネント ---------- */
.seal {
  width: 92px;
  height: 92px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid currentColor;
  position: relative;
  font-family: var(--font-display);
  font-size: 34px;
  transform: rotate(-3deg);
}

.seal::before {
  content: "";
  position: absolute;
  inset: 6px;
  border: 1px solid currentColor;
  border-radius: 50%;
  opacity: 0.6;
}

.seal.-it     { color: var(--it-accent); }
.seal.-ad     { color: var(--ad-accent); }
.seal.-beauty { color: var(--beauty-accent); }

.division-seal.-lg .seal {
  width: 128px;
  height: 128px;
  font-size: 46px;
}

/* ---------- セクション共通 ---------- */
section { padding: 88px 0; }

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 48px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 24px;
}

.section-head .eyebrow {
  font-family: var(--font-latin);
  letter-spacing: 0.28em;
  font-size: 13px;
  color: var(--bronze);
  display: block;
  margin-bottom: 12px;
}

.section-head h2 {
  font-size: 28px;
}

.section-head .roman {
  font-family: var(--font-latin);
  font-size: 22px;
  color: var(--text-on-paper-dim);
  letter-spacing: 0.1em;
}

/* ---------- 事業カード ---------- */
.division-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.division-card {
  background: var(--paper);
  padding: 44px 34px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  transition: background 0.25s ease;
}

.division-card:hover { background: var(--paper-soft); }

.division-card .index {
  font-family: var(--font-latin);
  font-size: 14px;
  color: var(--text-on-paper-dim);
  letter-spacing: 0.2em;
}

.division-card h3 {
  font-size: 21px;
  margin-top: 4px;
}

.division-card p {
  font-size: 14.5px;
  color: var(--text-on-paper-dim);
  flex-grow: 1;
}

.division-card .more {
  font-size: 13px;
  letter-spacing: 0.06em;
  border-top: 1px solid var(--line);
  padding-top: 16px;
}

.division-card.-it     .more,
.division-card.-it     .index { color: var(--it-accent); }
.division-card.-ad     .more,
.division-card.-ad     .index { color: var(--ad-accent); }
.division-card.-beauty .more,
.division-card.-beauty .index { color: var(--beauty-accent); }

/* ---------- 登記情報テーブル ---------- */
.registry {
  background: var(--ink);
  color: var(--text-on-ink);
}

.registry .section-head {
  border-bottom-color: rgba(244,239,228,0.2);
}

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

.registry tr {
  border-top: 1px solid rgba(244,239,228,0.14);
}

.registry tr:last-child { border-bottom: 1px solid rgba(244,239,228,0.14); }

.registry th, .registry td {
  text-align: left;
  padding: 20px 12px;
  font-weight: 400;
  font-size: 15px;
}

.registry th {
  width: 200px;
  color: var(--text-on-ink-dim);
  font-family: var(--font-latin);
  letter-spacing: 0.12em;
  font-size: 13px;
  text-transform: uppercase;
}

/* ---------- 事業部ページ：サービス一覧 ---------- */
.service-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.service-list li {
  background: var(--paper);
  padding: 26px 28px;
  display: flex;
  align-items: baseline;
  gap: 22px;
}

.service-list .num {
  font-family: var(--font-latin);
  font-size: 15px;
  color: var(--text-on-paper-dim);
}

.service-list strong {
  display: block;
  font-family: var(--font-display);
  font-size: 17px;
  margin-bottom: 4px;
}

.service-list span {
  font-size: 14px;
  color: var(--text-on-paper-dim);
}

.strength-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  margin-top: 8px;
}

.strength-grid .item {
  border-left: 2px solid var(--bronze);
  padding-left: 20px;
}

.strength-grid h3 {
  font-size: 17px;
  margin-bottom: 8px;
}

.strength-grid p {
  font-size: 14px;
  color: var(--text-on-paper-dim);
  margin: 0;
}

.cta-band {
  background: var(--paper-soft);
  text-align: center;
  padding: 72px 0;
}

.cta-band h2 { font-size: 26px; margin-bottom: 16px; }
.cta-band p { color: var(--text-on-paper-dim); margin: 0 0 8px; }
.cta-band .btn { color: var(--ink); }

/* ---------- お問い合わせフォーム（見た目のみ） ---------- */
.form-panel {
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 48px;
  max-width: 640px;
  margin: 0 auto;
}

.form-row { margin-bottom: 26px; }

.form-row label {
  display: block;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--text-on-paper-dim);
  margin-bottom: 8px;
}

.form-row input,
.form-row select,
.form-row textarea {
  width: 100%;
  border: none;
  border-bottom: 1px solid var(--line);
  background: transparent;
  padding: 10px 4px;
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--text-on-paper);
}

.form-row textarea { min-height: 120px; resize: vertical; }

.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  outline: none;
  border-bottom-color: var(--bronze);
}

.form-submit {
  width: 100%;
  border: none;
  background: var(--ink);
  color: var(--paper);
  padding: 16px;
  font-family: var(--font-latin);
  letter-spacing: 0.12em;
  font-size: 14px;
  cursor: pointer;
  margin-top: 8px;
}

.mock-note {
  text-align: center;
  font-size: 12.5px;
  color: var(--text-on-paper-dim);
  margin-top: 18px;
}

/* ---------- パンくず ---------- */
.crumb {
  font-size: 13px;
  color: var(--text-on-ink-dim);
  letter-spacing: 0.04em;
}
.crumb a:hover { color: var(--bronze); }

/* ---------- フッター ---------- */
.site-footer {
  background: var(--ink);
  color: var(--text-on-ink-dim);
  padding: 56px 0 32px;
  font-size: 13.5px;
}

.site-footer .wrap {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 32px;
}

.footer-cols {
  display: flex;
  gap: 64px;
  flex-wrap: wrap;
}

.footer-col h4 {
  font-family: var(--font-latin);
  letter-spacing: 0.1em;
  color: var(--bronze);
  font-size: 12px;
  margin-bottom: 14px;
}

.footer-col a, .footer-col p {
  display: block;
  margin: 0 0 8px;
  color: var(--text-on-ink-dim);
}

.footer-col a:hover { color: var(--text-on-ink); }

.copyright {
  border-top: 1px solid rgba(244,239,228,0.12);
  margin-top: 40px;
  padding-top: 24px;
  font-size: 12px;
  text-align: center;
  color: rgba(244,239,228,0.45);
}

/* ---------- レスポンシブ ---------- */
@media (max-width: 860px) {
  .division-grid { grid-template-columns: 1fr; }
  .strength-grid { grid-template-columns: 1fr; }
  .registry th { width: 130px; }
  .site-header .wrap { flex-direction: column; align-items: flex-start; gap: 14px; }
  .form-panel { padding: 32px 24px; }
}