:root {
  --navy: #0f2845;
  --navy-deep: #0a1d33;
  --navy-soft: #1a3a5c;
  --gold: #b08a3e;
  --gold-soft: #c9a961;
  --paper: #f6f3ec;
  --paper-warm: #efeadd;
  --ink: #1c1a16;
  --ink-soft: #4a463e;
  --line: #d9d3c3;
  --serif: "Noto Serif JP", "Yu Mincho", "YuMincho", serif;
  --sans: "Noto Sans JP", "Hiragino Sans", sans-serif;
  --latin: "Cormorant Garamond", serif;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  color: var(--ink);
  background: var(--paper);
  font-feature-settings: "palt";
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
.serif { font-family: var(--serif); }
.latin { font-family: var(--latin); font-style: italic; letter-spacing: 0.02em; }

/* ============ HEADER ============ */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  background: rgba(246, 243, 236, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid transparent;
  transition: background .3s ease, border-color .3s ease;
}
.site-header.scrolled, .site-header.solid {
  background: rgba(246, 243, 236, 0.98);
  border-bottom-color: var(--line);
}
.header-inner {
  max-width: 1280px; margin: 0 auto;
  padding: 18px 40px;
  display: flex; align-items: center; justify-content: space-between;
  gap: 32px;
}
.brand { display: flex; align-items: center; gap: 14px; }
.brand-mark {
  width: 44px; height: 44px;
  border: 1.5px solid var(--navy);
  display: grid; place-items: center;
  position: relative;
  background: var(--paper);
}
.brand-mark::before {
  content: ""; position: absolute; inset: 4px;
  border: 1px solid var(--navy);
}
.brand-mark span {
  font-family: var(--serif); font-weight: 700;
  color: var(--navy); font-size: 20px;
  position: relative; z-index: 1;
}
.brand-text { line-height: 1.2; }
.brand-jp { font-family: var(--serif); font-weight: 600; font-size: 18px; color: var(--navy); letter-spacing: 0.06em; }
.brand-en { font-family: var(--latin); font-style: normal; font-size: 11px; color: var(--ink-soft); letter-spacing: 0.18em; text-transform: uppercase; margin-top: 2px; }

.nav { display: flex; align-items: center; gap: 36px; }
.nav a {
  font-size: 14px; color: var(--ink); letter-spacing: 0.08em;
  position: relative; padding: 6px 0;
  font-weight: 500;
}
.nav a .num {
  font-family: var(--latin); font-style: normal;
  color: var(--gold); font-size: 11px;
  margin-right: 6px; letter-spacing: 0.1em;
}
.nav a::after {
  content: ""; position: absolute; left: 0; right: 100%; bottom: 0;
  height: 1px; background: var(--gold);
  transition: right .35s ease;
}
.nav a:hover::after, .nav a.current::after { right: 0; }
.header-cta {
  background: var(--navy); color: var(--paper);
  padding: 12px 24px; font-size: 13px; letter-spacing: 0.05em;
  display: inline-flex; align-items: center; gap: 8px;
  transition: background .25s;
}
/* .nav a の各指定を上書きしてトップページのボタンと統一 */
.nav .header-cta {
  color: var(--paper);
  padding: 12px 24px;
  font-size: 13px;
  letter-spacing: 0.05em;
  font-weight: 400;
}
.nav .header-cta::after { display: none; }
.header-cta:hover { background: var(--navy-deep); }
.header-cta .arr { font-family: var(--latin); font-style: normal; }

.menu-toggle { display: none; }
.mobile-nav { display: none; }
@media (max-width: 900px) {
  .header-inner { padding: 14px 20px; }
  .nav, .header-cta { display: none; }
  .menu-toggle {
    display: grid; place-items: center;
    width: 44px; height: 44px;
    background: var(--navy); color: var(--paper);
  }
  .mobile-nav {
    position: fixed; inset: 72px 0 0 0;
    background: var(--paper);
    padding: 40px 24px;
    border-top: 1px solid var(--line);
  }
  .mobile-nav.open { display: block; }
  .mobile-nav a { display: block; padding: 18px 0; border-bottom: 1px solid var(--line); font-family: var(--serif); font-size: 18px; }
  .mobile-nav a .num { color: var(--gold); font-family: var(--latin); margin-right: 10px; }
}

/* ============ BUTTONS ============ */
.btn {
  display: inline-flex; align-items: center; gap: 14px;
  padding: 18px 32px;
  font-size: 14px; letter-spacing: 0.12em; font-weight: 500;
  transition: all .3s ease;
  border: 1px solid transparent;
}
.btn .arr { font-family: var(--latin); font-style: normal; font-size: 16px; }
.btn-primary { background: var(--gold); color: var(--navy-deep); }
.btn-primary:hover { background: var(--gold-soft); transform: translateX(4px); }
.btn-ghost { border-color: rgba(246,243,236,0.3); color: var(--paper); }
.btn-ghost:hover { border-color: var(--gold-soft); color: var(--gold-soft); }
.btn-outline { border-color: var(--navy); color: var(--navy); }
.btn-outline:hover { background: var(--navy); color: var(--paper); transform: translateX(4px); }

/* ============ SECTION FRAME ============ */
section { position: relative; }
.sec-pad { padding: 120px 40px; max-width: 1280px; margin: 0 auto; }
.sec-pad-sm { padding: 80px 40px; max-width: 1280px; margin: 0 auto; }
@media (max-width: 900px) { .sec-pad { padding: 80px 20px; } .sec-pad-sm { padding: 60px 20px; } }

.sec-head {
  display: flex; align-items: flex-end; justify-content: space-between; gap: 40px;
  margin-bottom: 70px; position: relative;
}
.sec-head .sec-num {
  font-family: var(--latin); font-style: normal;
  font-size: 14px; letter-spacing: 0.3em; color: var(--gold);
  margin-bottom: 12px;
}
.sec-head h2 {
  font-family: var(--serif); font-weight: 600;
  font-size: clamp(30px, 4.4vw, 52px);
  color: var(--navy);
  letter-spacing: 0.04em; line-height: 1.3;
}
.sec-head h2 .latin {
  display: block;
  font-family: var(--latin); font-style: italic;
  color: var(--gold); font-size: 0.4em;
  letter-spacing: 0.15em;
  margin-top: 8px;
  font-weight: 400;
}
.sec-head p {
  max-width: 460px; font-size: 14px; line-height: 2;
  color: var(--ink-soft);
}
@media (max-width: 800px) {
  .sec-head { flex-direction: column; align-items: flex-start; margin-bottom: 40px; }
  .sec-head h2 { font-size: 22px; }
  .sec-head p { font-size: 13px; }
}

/* ============ PAGE HERO (sub pages) ============ */
.page-hero {
  background: var(--navy); color: var(--paper);
  padding: 200px 40px 100px;
  position: relative; overflow: hidden;
}
.page-hero::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}
.page-hero::after {
  content: ""; position: absolute; right: -10%; top: 50%; transform: translateY(-50%);
  width: 50vw; height: 50vw; max-width: 700px; max-height: 700px;
  background: radial-gradient(circle, rgba(176, 138, 62, 0.12), transparent 60%);
  pointer-events: none;
}
.page-hero-inner {
  max-width: 1280px; margin: 0 auto;
  display: grid; grid-template-columns: 1fr 1fr; gap: 40px;
  align-items: end; position: relative; z-index: 1;
}
.page-hero .sec-num { color: var(--gold-soft); margin-bottom: 18px; font-family: var(--latin); font-style: normal; font-size: 13px; letter-spacing: 0.3em; }
.page-hero h1 {
  font-family: var(--serif); font-weight: 600;
  font-size: clamp(36px, 5.5vw, 72px);
  letter-spacing: 0.05em; line-height: 1.3;
}
.page-hero h1 .latin {
  display: block; font-family: var(--latin); font-style: italic;
  color: var(--gold-soft); font-size: 0.36em;
  letter-spacing: 0.18em; margin-top: 14px; font-weight: 400;
}
.page-hero p {
  font-size: 15px; line-height: 2.1;
  color: rgba(246,243,236,0.78);
  max-width: 480px; justify-self: end;
}
@media (max-width: 900px) {
  .page-hero { padding: 100px 20px 50px; }
  .page-hero-inner { grid-template-columns: 1fr; gap: 16px; }
  .page-hero p { justify-self: start; font-size: 14px; line-height: 1.9; }
  .page-hero h1 { font-size: 26px; }
}

/* breadcrumb */
.crumb {
  background: var(--paper-warm);
  border-bottom: 1px solid var(--line);
  padding: 16px 40px;
  font-size: 12px; letter-spacing: 0.1em;
  color: var(--ink-soft);
}
.crumb-inner { max-width: 1280px; margin: 0 auto; display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.crumb a:hover { color: var(--navy); }
.crumb .sep { color: var(--gold); }
@media (max-width: 900px) { .crumb { padding: 14px 20px; } }

/* ============ FOOTER ============ */
.site-footer {
  background: var(--navy); color: var(--paper);
  padding: 60px 40px 32px;
}
.footer-inner {
  max-width: 1280px; margin: 0 auto;
  display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 60px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(246,243,236,0.15);
}
.footer-brand .brand-jp { color: var(--paper); }
.footer-brand .brand-en { color: rgba(246,243,236,0.5); }
.footer-brand .desc { color: rgba(246,243,236,0.6); font-size: 13px; line-height: 1.95; margin-top: 24px; max-width: 360px; }
.footer-col h5 {
  font-family: var(--latin); font-style: normal;
  font-size: 12px; letter-spacing: 0.3em; color: var(--gold-soft);
  margin-bottom: 20px; text-transform: uppercase;
}
.footer-col a, .footer-col p { display: block; font-size: 13px; color: rgba(246,243,236,0.75); padding: 5px 0; }
.footer-col a:hover { color: var(--gold-soft); }
.copyright {
  max-width: 1280px; margin: 24px auto 0;
  display: flex; justify-content: space-between; align-items: center;
  font-size: 11px; color: rgba(246,243,236,0.5); letter-spacing: 0.15em;
  font-family: var(--latin); font-style: normal;
}
@media (max-width: 800px) {
  .footer-inner { grid-template-columns: 1fr; gap: 40px; }
  .copyright { flex-direction: column; gap: 12px; align-items: flex-start; }
}

/* ============ REVEAL ============ */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .9s ease, transform .9s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ============ COMMON UTILS ============ */
.placeholder-img {
  background: linear-gradient(155deg, #2a4868, #0f2845);
  position: relative; overflow: hidden;
}
.placeholder-img::before {
  content: ""; position: absolute; inset: 0;
  background:
    repeating-linear-gradient(135deg, rgba(255,255,255,0.04) 0 4px, transparent 4px 28px),
    repeating-linear-gradient(0deg, rgba(0,0,0,0.15) 0 1px, transparent 1px 100px);
}
.placeholder-img .ph-label {
  position: absolute; left: 20px; bottom: 18px;
  font-family: var(--latin); font-style: normal;
  font-size: 11px; letter-spacing: 0.4em;
  color: rgba(246,243,236,0.5);
}

/* ============ LOGO-BASED HEADER BRAND (sub-pages) ============ */
.brand-logo { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.hdr-logo { height: 96px; width: auto; }
.hdr-brand-name { font-size: 13px; font-weight: 500; color: var(--navy); letter-spacing: 0.08em; white-space: nowrap; }
@media (max-width: 900px) {
  .hdr-logo { height: 44px; }
}

/* ============ LOGO-BASED FOOTER BRAND (sub-pages) ============ */
.footer-logo-link { display: flex; align-items: center; gap: 12px; text-decoration: none; margin-bottom: 24px; }
.footer-logo-img { height: 80px; width: auto; filter: brightness(0) invert(1); }
.footer-logo-txt { font-size: 13px; font-weight: 500; color: #fff; letter-spacing: 0.08em; white-space: nowrap; }
@media (max-width: 800px) {
  .footer-logo-img { height: 56px; }
  .copyright { flex-direction: column; gap: 8px; align-items: flex-start; }
}

/* ============ スマホ全体調整 ============ */
@media (max-width: 768px) {
  /* 見出し縮小 */
  .greet-text h2 { font-size: 20px !important; }
  .rec-msg h2 { font-size: 20px !important; }
  .profile-side h3 { font-size: 20px !important; }
  .svc-detail-text h2 { font-size: 20px !important; }

  /* 本文フォント */
  .svc-detail-text p,
  .greet-text p,
  .rec-msg p { font-size: 14px; line-height: 1.9; }

  /* セクションパディング縮小 */
  .sec-pad { padding: 60px 20px; }
  .sec-pad-sm { padding: 40px 20px; }
  .svc-block { padding: 50px 20px; }

  /* フローリスト */
  .flow-list { grid-template-columns: 1fr; }

  /* 採用カード */
  .pos-head { grid-template-columns: 1fr 40px; padding: 16px; }
  .pos-num, .pos-tag { display: none; }
  .pos-body { padding: 0 16px 20px; }
  .pos-body dl { grid-template-columns: 1fr; gap: 4px; }

  /* お問い合わせ */
  .field-row { grid-template-columns: 1fr; }

  /* テキストはみ出し防止 */
  * { word-break: break-word; overflow-wrap: break-word; }
  img { max-width: 100%; height: auto; }
}