/* ============================================================
   MTコンサルティング税理士法人 / MT CONSULTING TAX & MANAGEMENT
   Design System — Deep Navy × Charcoal × Warm White × Champagne Gold
   ============================================================ */

:root{
  --c-navy: #101a2e;
  --c-navy-2: #16233d;
  --c-navy-3: #1f304f;
  --c-black: #16151a;
  --c-white: #faf8f4;
  --c-white-2: #f3f0e9;
  --c-gold: #b9975a;
  --c-gold-light: #d8c49a;
  --c-gray: #f1efe9;
  --c-gray-2: #e6e3da;
  --c-text: #23242a;
  --c-text-soft: #5a5c66;
  --c-text-invert: #f4f2ec;
  --c-text-invert-soft: #c4c8d4;
  --c-border: #dedad0;

  --font-jp: "Noto Sans JP", -apple-system, "Hiragino Kaku Gothic ProN", sans-serif;
  --font-en: "Jost", "Noto Sans JP", sans-serif;

  --max-w: 1280px;
  --pad: clamp(20px, 5vw, 64px);

  --ease: cubic-bezier(.22,.61,.36,1);
  --dur: .8s;

  --header-h: 88px;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family: var(--font-jp);
  color: var(--c-text);
  background: var(--c-white);
  line-height: 1.9;
  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; }
input,select,textarea{ font-family:inherit; font-size:1rem; }

.container{
  max-width: var(--max-w);
  margin: 0 auto;
  padding-left: var(--pad);
  padding-right: var(--pad);
}

.en-label{
  font-family: var(--font-en);
  letter-spacing: .22em;
  text-transform: uppercase;
  font-size: .78rem;
  font-weight: 500;
  color: var(--c-gold);
}
.en-label.on-dark{ color: var(--c-gold-light); }

/* ============ Reveal animation ============ */
.reveal{
  opacity: 0;
  transform: translateY(36px);
  transition: opacity 1s var(--ease), transform 1s var(--ease);
  will-change: opacity, transform;
}
.reveal.is-visible{ opacity:1; transform:translateY(0); }
.reveal-delay-1{ transition-delay: .12s; }
.reveal-delay-2{ transition-delay: .24s; }
.reveal-delay-3{ transition-delay: .36s; }
.reveal-delay-4{ transition-delay: .48s; }

@media (prefers-reduced-motion: reduce){
  .reveal{ opacity:1; transform:none; transition:none; }
  html{ scroll-behavior:auto; }
}

/* ============ Skip link ============ */
.skip-link{
  position:absolute; left:-999px; top:0; background:var(--c-navy); color:#fff;
  padding: 10px 18px; z-index: 2000; border-radius: 0 0 6px 0;
}
.skip-link:focus{ left:0; }

/* ============ Header ============ */
.site-header{
  position: fixed; top:0; left:0; right:0; z-index: 1000;
  height: var(--header-h);
  display:flex; align-items:center;
  background: transparent;
  transition: background var(--dur) var(--ease), height .4s var(--ease), box-shadow .4s var(--ease);
}
.site-header.is-solid{
  background: rgba(16,26,46,.92);
  backdrop-filter: blur(10px);
  height: 68px;
  box-shadow: 0 10px 30px rgba(0,0,0,.18);
}
body.light-header .site-header:not(.is-solid){
  background: rgba(250,248,244,.0);
}
.header-inner{
  width:100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--pad);
  display:flex; align-items:center; justify-content:space-between;
  gap: 24px;
}
.logo{
  display:flex; flex-direction:column; line-height:1;
  color: var(--c-text-invert);
  font-family: var(--font-en);
}
.logo .logo-main{
  font-size: 1.5rem; font-weight:700; letter-spacing:.14em;
}
.logo .logo-sub{
  font-family: var(--font-en);
  font-size: .56rem; letter-spacing:.24em; color: var(--c-gold-light);
  margin-top:4px; text-transform:uppercase;
}
.nav-desktop{
  display:flex; align-items:center; gap: clamp(18px, 2.4vw, 38px);
}
.nav-desktop a{
  font-size: .92rem; letter-spacing:.04em; color: var(--c-text-invert);
  position:relative; padding: 6px 0;
}
.nav-desktop a::after{
  content:""; position:absolute; left:0; bottom:0; width:0; height:1px;
  background: var(--c-gold); transition: width .3s var(--ease);
}
.nav-desktop a:hover::after, .nav-desktop a.active::after{ width:100%; }
.header-cta{
  display:flex; align-items:center; gap:16px;
}
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:10px;
  padding: 14px 32px;
  font-size: .9rem; letter-spacing:.06em;
  border-radius: 2px;
  border: 1px solid transparent;
  transition: all .35s var(--ease);
  white-space: nowrap;
}
.btn-gold{
  background: var(--c-gold);
  color: var(--c-navy);
  font-weight:700;
}
.btn-gold:hover{ background: var(--c-gold-light); transform: translateY(-2px); box-shadow: 0 10px 24px rgba(185,151,90,.35); }
.btn-outline-light{
  border-color: rgba(244,242,236,.5);
  color: var(--c-text-invert);
}
.btn-outline-light:hover{ border-color:#fff; background: rgba(255,255,255,.08); }
.btn-outline-navy{
  border-color: var(--c-navy);
  color: var(--c-navy);
}
.btn-outline-navy:hover{ background: var(--c-navy); color:#fff; }
.btn-navy{
  background: var(--c-navy); color: #fff;
}
.btn-navy:hover{ background: var(--c-navy-3); transform: translateY(-2px); }
.btn-small{ padding: 10px 22px; font-size:.82rem; }
.btn-block{ width:100%; }

.header-cta .btn{ display:none; }
.header-cta .btn.header-contact-btn{ display:inline-flex; }

.hamburger{
  display:none;
  width: 44px; height:44px;
  border:none; background:transparent;
  position:relative;
  flex-direction:column; align-items:center; justify-content:center; gap:6px;
}
.hamburger span{
  display:block; width:26px; height:2px; background: var(--c-text-invert);
  transition: all .3s var(--ease);
}
.hamburger.is-open span:nth-child(1){ transform: translateY(8px) rotate(45deg); }
.hamburger.is-open span:nth-child(2){ opacity:0; }
.hamburger.is-open span:nth-child(3){ transform: translateY(-8px) rotate(-45deg); }

.mobile-nav{
  position:fixed; inset:0; z-index:999;
  background: var(--c-navy);
  display:flex; flex-direction:column;
  padding: 120px var(--pad) 40px;
  transform: translateX(100%);
  transition: transform .5s var(--ease);
  overflow-y:auto;
}
.mobile-nav.is-open{ transform: translateX(0); }
.mobile-nav a{
  color: var(--c-text-invert);
  font-size: 1.3rem;
  padding: 16px 0;
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.mobile-nav .mobile-cta{ margin-top: 32px; }

/* ============ Hero ============ */
.hero{
  position:relative; min-height: 100svh;
  display:flex; align-items:flex-end;
  color: var(--c-text-invert);
  overflow:hidden;
  background: var(--c-navy);
}
.hero-media{
  position:absolute; inset:0; z-index:0;
}
.hero-media img{
  width:100%; height:100%; object-fit:cover;
  opacity: .62;
  transform: scale(1.08);
  animation: heroZoom 14s var(--ease) forwards;
}
@keyframes heroZoom{ to{ transform: scale(1); } }
.hero-media::after{
  content:"";
  position:absolute; inset:0;
  background: linear-gradient(180deg, rgba(16,26,46,.55) 0%, rgba(16,26,46,.35) 35%, rgba(16,26,46,.92) 100%);
}
.hero-inner{
  position:relative; z-index:2;
  width:100%; max-width: var(--max-w); margin:0 auto;
  padding: 160px var(--pad) 90px;
}
.hero-eyebrow{
  display:block; margin-bottom: 26px;
  opacity:0; animation: fadeUp .9s var(--ease) .3s forwards;
}
.hero-title{
  font-size: clamp(2.4rem, 6.4vw, 5.2rem);
  font-weight: 700;
  letter-spacing: .03em;
  line-height: 1.3;
  margin: 0 0 30px;
  opacity:0; animation: fadeUp 1s var(--ease) .5s forwards;
}
.hero-title span{ display:inline-block; }
.hero-sub{
  font-size: clamp(.98rem, 1.6vw, 1.2rem);
  color: var(--c-text-invert-soft);
  max-width: 620px;
  margin: 0 0 44px;
  line-height:2;
  opacity:0; animation: fadeUp 1s var(--ease) .75s forwards;
}
.hero-en{
  font-family: var(--font-en);
  font-size: clamp(.78rem, 1.2vw, .95rem);
  letter-spacing: .32em;
  color: var(--c-gold-light);
  margin-bottom: 18px;
  opacity:0; animation: fadeUp 1s var(--ease) .2s forwards;
}
@keyframes fadeUp{
  from{ opacity:0; transform: translateY(26px); }
  to{ opacity:1; transform: translateY(0); }
}
.hero-cta{
  display:flex; flex-wrap:wrap; gap:18px;
  opacity:0; animation: fadeUp 1s var(--ease) 1s forwards;
}
.hero-scroll{
  position:absolute; right: var(--pad); bottom: 36px; z-index:2;
  display:flex; flex-direction:column; align-items:center; gap:10px;
  color: var(--c-text-invert-soft);
  font-family: var(--font-en); font-size:.7rem; letter-spacing:.2em;
  pointer-events:none;
}
.hero-scroll .line{
  width:1px; height: 52px; background: rgba(255,255,255,.35);
  position:relative; overflow:hidden;
}
.hero-scroll .line::after{
  content:""; position:absolute; left:0; top:-100%; width:100%; height:100%;
  background: var(--c-gold);
  animation: scrollLine 2.2s ease-in-out infinite;
}
@keyframes scrollLine{ 0%{ top:-100%;} 60%{ top:100%;} 100%{ top:100%;} }

/* ============ Page Hero (sub pages) ============ */
.page-hero{
  position:relative;
  min-height: 56vh;
  display:flex; align-items:flex-end;
  color: var(--c-text-invert);
  background: var(--c-navy);
  overflow:hidden;
}
.page-hero-media{ position:absolute; inset:0; }
.page-hero-media img{ width:100%; height:100%; object-fit:cover; opacity:.5; }
.page-hero-media::after{
  content:""; position:absolute; inset:0;
  background: linear-gradient(180deg, rgba(16,26,46,.55) 0%, rgba(16,26,46,.9) 100%);
}
.page-hero-inner{
  position:relative; z-index:2; width:100%;
  padding: 170px var(--pad) 60px;
  max-width: var(--max-w); margin:0 auto;
}
.page-hero h1{
  font-size: clamp(2rem, 4.6vw, 3.4rem);
  font-weight:700; letter-spacing:.02em; margin: 14px 0 18px;
}
.page-hero p{
  color: var(--c-text-invert-soft); max-width: 640px; font-size:1rem;
}

/* ============ Breadcrumb ============ */
.breadcrumb{
  font-size: .78rem; color: var(--c-text-invert-soft);
  display:flex; gap:8px; flex-wrap:wrap; font-family: var(--font-en); letter-spacing:.04em;
}
.breadcrumb a{ color: var(--c-text-invert-soft); }
.breadcrumb a:hover{ color: var(--c-gold-light); }
.breadcrumb .sep{ opacity:.5; }
.breadcrumb.on-light{ color: var(--c-text-soft); }
.breadcrumb.on-light a{ color: var(--c-text-soft); }
.breadcrumb.on-light a:hover{ color: var(--c-gold); }

/* ============ Sections generic ============ */
section{ position:relative; }
.sec{ padding: clamp(80px, 11vw, 140px) 0; }
.sec-navy{ background: var(--c-navy); color: var(--c-text-invert); }
.sec-black{ background: var(--c-black); color: var(--c-text-invert); }
.sec-gray{ background: var(--c-gray); }
.sec-white{ background: var(--c-white); }

.sec-head{ margin-bottom: clamp(44px, 6vw, 84px); }
.sec-head .en-label{ display:block; margin-bottom: 18px; }
.sec-head h2{
  font-size: clamp(1.7rem, 3.6vw, 2.8rem);
  font-weight:700; letter-spacing:.02em; line-height:1.5;
}
.sec-head p.lead{
  margin-top: 22px; max-width: 680px; color: var(--c-text-soft); font-size: 1rem;
}
.sec-navy .sec-head p.lead, .sec-black .sec-head p.lead{ color: var(--c-text-invert-soft); }

/* ============ Philosophy ============ */
.philosophy{
  display:grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items:center;
}
.philosophy-media{
  position:relative; overflow:hidden; aspect-ratio: 4/5; border-radius:2px;
}
.philosophy-media img{ width:100%; height:100%; object-fit:cover; transition: transform 1.2s var(--ease); }
.philosophy-media:hover img{ transform: scale(1.06); }
.philosophy-text .en-label{ display:block; margin-bottom:20px; }
.philosophy-text h2{
  font-size: clamp(1.6rem, 3.2vw, 2.4rem);
  line-height:1.65; font-weight:700; margin-bottom: 28px;
}
.philosophy-text p{ color: var(--c-text-soft); font-size: 1rem; }

/* ============ Values ============ */
.values-list{ display:flex; flex-direction:column; }
.value-row{
  display:grid; grid-template-columns: 120px 1fr 1.1fr; gap: 40px; align-items:center;
  padding: 48px 0; border-top: 1px solid var(--c-border);
}
.value-row:last-child{ border-bottom: 1px solid var(--c-border); }
.value-num{
  font-family: var(--font-en); font-size: 2.6rem; color: var(--c-gold); font-weight:300;
}
.value-body .value-tag{ font-family: var(--font-en); letter-spacing:.14em; font-size:.82rem; color: var(--c-gold); display:block; margin-bottom:10px; text-transform:uppercase; }
.value-body h3{ font-size: 1.5rem; font-weight:700; margin-bottom:14px; }
.value-body p{ color: var(--c-text-soft); max-width: 480px; }
.value-media{ aspect-ratio: 16/9; overflow:hidden; border-radius:2px; }
.value-media img{ width:100%; height:100%; object-fit:cover; transition: transform 1s var(--ease); }
.value-row:hover .value-media img{ transform: scale(1.05); }

/* ============ Service Cards ============ */
.service-grid{
  display:grid; grid-template-columns: repeat(5, 1fr); gap: 2px;
  background: var(--c-border);
}
.service-card{
  background: var(--c-white);
  padding: 40px 24px;
  display:flex; flex-direction:column; gap:16px;
  transition: background .4s var(--ease);
  position:relative;
}
.service-card:hover{ background: var(--c-navy); color: var(--c-text-invert); }
.service-card:hover .service-card-link{ color: var(--c-gold-light); }
.service-card:hover p{ color: var(--c-text-invert-soft); }
.service-card .svc-num{ font-family: var(--font-en); color: var(--c-gold); font-size:.85rem; letter-spacing:.1em; }
.service-card h3{ font-size: 1.3rem; font-weight:700; line-height:1.5; }
.service-card p{ color: var(--c-text-soft); font-size: .92rem; flex-grow:1; }
.service-card-link{
  font-family: var(--font-en); font-size:.82rem; letter-spacing:.1em;
  color: var(--c-navy); display:inline-flex; align-items:center; gap:8px;
}
.service-card-link .arrow{ transition: transform .3s var(--ease); }
.service-card:hover .service-card-link .arrow{ transform: translateX(6px); }

/* ============ Beyond Accounting ============ */
.beyond-grid{
  display:grid; grid-template-columns: repeat(4, 1fr); gap: 2px;
}
.beyond-item{
  position:relative; aspect-ratio: 1/1; overflow:hidden;
  color:#fff; display:flex; align-items:flex-end; padding: 28px;
}
.beyond-item img{ position:absolute; inset:0; width:100%; height:100%; object-fit:cover; transition: transform 1s var(--ease); z-index:0; }
.beyond-item::after{ content:""; position:absolute; inset:0; background: linear-gradient(180deg, rgba(16,26,46,.1), rgba(16,26,46,.86)); z-index:1; }
.beyond-item:hover img{ transform: scale(1.08); }
.beyond-item-content{ position:relative; z-index:2; }
.beyond-item .en-label.on-dark{ display:block; margin-bottom:10px; }
.beyond-item h3{ font-size: 1.2rem; font-weight:700; }

/* ============ Approach steps ============ */
.approach-steps{
  display:grid; grid-template-columns: repeat(4, 1fr); gap: 2px; background: rgba(255,255,255,.12);
}
.approach-step{
  background: var(--c-navy); padding: 40px 28px;
}
.approach-step .step-num{ font-family: var(--font-en); font-size: 2.4rem; color: var(--c-gold); font-weight:300; display:block; margin-bottom:22px; }
.approach-step h3{ font-size: 1.1rem; margin-bottom:14px; font-weight:700; }
.approach-step p{ font-size: .88rem; color: var(--c-text-invert-soft); }
.approach-note{ margin-top: 36px; font-size:.82rem; color: var(--c-text-invert-soft); }

/* ============ Message ============ */
.message-block{
  display:grid; grid-template-columns: .9fr 1.4fr; gap: 64px; align-items:center;
}
.message-media{ aspect-ratio: 3/4; overflow:hidden; border-radius:2px; position:relative; }
.message-media img{ width:100%; height:100%; object-fit:cover; filter: grayscale(.15); }
.message-quote{ font-size: clamp(1.25rem, 2vw, 1.6rem); line-height:2; font-weight:500; margin-bottom: 30px; }
.message-name{ font-weight:700; letter-spacing:.04em; }
.message-role{ color: var(--c-text-soft); font-size:.86rem; margin-top:6px; }
.demo-badge{
  display:inline-block; margin-top:26px; padding:8px 16px;
  border:1px solid var(--c-gold); color: var(--c-gold);
  font-size:.74rem; letter-spacing:.08em; font-family: var(--font-en); border-radius:2px;
}

/* ============ Recruit teaser ============ */
.recruit-teaser{
  position:relative; min-height: 460px; display:flex; align-items:center;
  overflow:hidden; color:#fff;
}
.recruit-teaser img{ position:absolute; inset:0; width:100%; height:100%; object-fit:cover; z-index:0; }
.recruit-teaser::after{ content:""; position:absolute; inset:0; background: linear-gradient(90deg, rgba(16,26,46,.92) 20%, rgba(16,26,46,.45) 100%); z-index:1; }
.recruit-teaser-content{ position:relative; z-index:2; max-width:560px; }
.recruit-teaser h2{ font-size: clamp(1.7rem, 3.4vw, 2.6rem); font-weight:700; margin: 18px 0 22px; line-height:1.5; }
.recruit-teaser p{ color: var(--c-text-invert-soft); margin-bottom: 34px; }

/* ============ Insights ============ */
.insight-grid{
  display:grid; grid-template-columns: repeat(auto-fit, minmax(260px,1fr)); gap: 40px;
}
.insight-card{ display:flex; flex-direction:column; gap:18px; }
.insight-thumb{ aspect-ratio: 4/3; overflow:hidden; border-radius:2px; }
.insight-thumb img{ width:100%; height:100%; object-fit:cover; transition: transform .8s var(--ease); }
.insight-card:hover .insight-thumb img{ transform: scale(1.08); }
.insight-meta{ display:flex; gap:14px; align-items:center; font-size:.76rem; color: var(--c-text-soft); font-family: var(--font-en); letter-spacing:.05em; }
.insight-tag{ color: var(--c-gold); border:1px solid var(--c-gold); padding:3px 10px; border-radius:2px; }
.insight-card h3{ font-size: 1.1rem; font-weight:700; line-height:1.6; }
.insight-card p{ font-size:.88rem; color: var(--c-text-soft); }

/* ============ Contact CTA section ============ */
.contact-cta{
  text-align:center; padding: clamp(80px,10vw,120px) 0;
  background: var(--c-navy); color:#fff; position:relative; overflow:hidden;
}
.contact-cta h2{ font-size: clamp(1.8rem, 3.6vw, 2.8rem); font-weight:700; margin: 18px 0 20px; }
.contact-cta p{ color: var(--c-text-invert-soft); max-width: 600px; margin: 0 auto 40px; }
.contact-cta .btn-row{ display:flex; gap:18px; justify-content:center; flex-wrap:wrap; }

/* ============ Footer ============ */
.site-footer{
  background: var(--c-black); color: var(--c-text-invert-soft); padding: 80px 0 30px;
}
.footer-top{
  display:grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 40px;
  padding-bottom: 56px; border-bottom: 1px solid rgba(255,255,255,.1);
}
.footer-brand .logo-main{ color:#fff; font-size:1.5rem; }
.footer-brand p{ margin-top: 20px; font-size:.84rem; line-height:1.9; max-width: 320px; }
.footer-col h4{
  font-family: var(--font-en); font-size:.76rem; letter-spacing:.14em; color: var(--c-gold-light);
  margin-bottom: 22px; text-transform:uppercase;
}
.footer-col li{ margin-bottom: 14px; font-size:.88rem; }
.footer-col a:hover{ color:#fff; }
.footer-bottom{
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:16px;
  padding-top: 28px; font-size:.76rem; color: rgba(244,242,236,.45);
}
.footer-disclaimer{
  font-size: .72rem; line-height:1.9; color: rgba(244,242,236,.38);
  margin-top: 26px; max-width: 760px;
}

/* ============ Forms ============ */
.form-grid{ display:grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.form-group{ display:flex; flex-direction:column; gap:10px; }
.form-group.full{ grid-column: 1 / -1; }
.form-group label{ font-size:.86rem; font-weight:700; display:flex; gap:8px; align-items:center; }
.tag-required{ font-size:.66rem; background: #b94a3c; color:#fff; padding:2px 8px; border-radius:2px; letter-spacing:.04em; }
.tag-optional{ font-size:.66rem; background: var(--c-gray-2); color: var(--c-text-soft); padding:2px 8px; border-radius:2px; }
.form-group input[type=text],
.form-group input[type=email],
.form-group input[type=tel],
.form-group select,
.form-group textarea{
  padding: 14px 16px; border: 1px solid var(--c-border); border-radius:2px;
  background: #fff; color: var(--c-text); transition: border-color .3s;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus{
  outline:none; border-color: var(--c-gold);
}
.form-group textarea{ resize: vertical; min-height: 140px; }
.checkbox-row{ display:flex; gap:12px; align-items:flex-start; font-size:.86rem; }
.checkbox-row input{ margin-top:4px; }
.service-check-grid{ display:grid; grid-template-columns: repeat(2, 1fr); gap:12px; }
.service-check{ display:flex; gap:10px; align-items:center; padding:12px 14px; border:1px solid var(--c-border); border-radius:2px; font-size:.88rem; }
.form-error{ color:#b94a3c; font-size:.78rem; display:none; }
.form-group.has-error input, .form-group.has-error select, .form-group.has-error textarea{ border-color:#b94a3c; }
.form-group.has-error .form-error{ display:block; }
.form-note{ font-size:.8rem; color: var(--c-text-soft); margin-top:10px; }
.form-submit-row{ margin-top: 10px; display:flex; flex-direction:column; align-items:flex-start; gap:16px; }
.form-success{
  display:none; padding: 20px 24px; background: var(--c-gray); border-left:3px solid var(--c-gold); font-size:.9rem;
}
.form-success.show{ display:block; }

/* ============ FAQ ============ */
.faq-list{ display:flex; flex-direction:column; border-top: 1px solid var(--c-border); }
.faq-item{ border-bottom: 1px solid var(--c-border); }
.faq-q{
  width:100%; text-align:left; background:none; border:none; padding: 26px 0;
  display:flex; justify-content:space-between; align-items:center; gap:20px;
  font-size: 1rem; font-weight:700; color: var(--c-text);
}
.faq-q .plus{ font-family: var(--font-en); font-size:1.4rem; color: var(--c-gold); transition: transform .3s; flex-shrink:0; }
.faq-item.is-open .plus{ transform: rotate(45deg); }
.faq-a{
  max-height:0; overflow:hidden; transition: max-height .4s var(--ease);
  font-size:.92rem; color: var(--c-text-soft);
}
.faq-a-inner{ padding-bottom: 26px; max-width: 760px; }

/* ============ Misc components ============ */
.two-col{ display:grid; grid-template-columns: 1fr 1fr; gap: 60px; }
.stat-row{ display:grid; grid-template-columns: repeat(3,1fr); gap: 2px; background: var(--c-border); margin-top: 40px; }
.stat-item{ background:#fff; padding: 32px; text-align:center; }
.stat-item .num{ font-family: var(--font-en); font-size: 1.6rem; color: var(--c-navy); font-weight:600; }
.stat-item .label{ font-size:.78rem; color: var(--c-text-soft); margin-top:8px; }

.content-block{ max-width: 860px; }
.content-block h2{ font-size: clamp(1.4rem,2.6vw,2rem); font-weight:700; margin: 50px 0 20px; }
.content-block h3{ font-size: 1.2rem; font-weight:700; margin: 32px 0 14px; }
.content-block p{ color: var(--c-text-soft); margin-bottom:18px; }
.content-block ul{ margin: 0 0 20px; }
.content-block ul li{ position:relative; padding-left: 22px; color: var(--c-text-soft); margin-bottom:10px; }
.content-block ul li::before{ content:""; position:absolute; left:0; top:12px; width:8px; height:1px; background: var(--c-gold); }

.feature-list{ display:flex; flex-direction:column; gap: 0; margin-top: 10px;}
.feature-item{ display:grid; grid-template-columns: 56px 1fr; gap: 22px; padding: 30px 0; border-top:1px solid var(--c-border); }
.feature-item:last-child{ border-bottom:1px solid var(--c-border); }
.feature-item .f-icon{ font-family: var(--font-en); font-size:1.4rem; color: var(--c-gold); }
.feature-item h3{ font-size:1.05rem; font-weight:700; margin-bottom:10px; }
.feature-item p{ color: var(--c-text-soft); font-size:.92rem; margin:0; }

.process-list{ counter-reset: proc; display:flex; flex-direction:column; gap: 0; }
.process-item{ display:grid; grid-template-columns: 70px 1fr; gap: 24px; padding: 32px 0; border-top: 1px solid var(--c-border); }
.process-item:last-child{ border-bottom: 1px solid var(--c-border); }
.process-item .p-num{ font-family: var(--font-en); font-size:1.8rem; color: var(--c-gold); font-weight:300; }
.process-item h3{ font-weight:700; margin-bottom:10px; font-size:1.05rem; }
.process-item p{ color: var(--c-text-soft); font-size:.92rem; margin:0; }

.persona-grid{ display:grid; grid-template-columns: repeat(auto-fit,minmax(240px,1fr)); gap: 24px; margin-top: 20px; }
.persona-card{ background:#fff; border:1px solid var(--c-border); padding: 28px; border-radius:2px; }
.persona-card .p-tag{ font-family: var(--font-en); font-size:.72rem; color: var(--c-gold); letter-spacing:.1em; }
.persona-card p{ margin-top:12px; font-size:.9rem; color: var(--c-text); }

.disclaimer-box{
  background: var(--c-gray); border-left: 3px solid var(--c-gold);
  padding: 22px 28px; font-size:.84rem; color: var(--c-text-soft); margin: 40px 0;
}

.related-links{ display:grid; grid-template-columns: repeat(auto-fit,minmax(220px,1fr)); gap: 2px; background: var(--c-border); margin-top: 20px; }
.related-link{ background:#fff; padding: 24px 26px; display:flex; justify-content:space-between; align-items:center; transition: background .3s; }
.related-link:hover{ background: var(--c-gray); }
.related-link span{ font-weight:700; font-size:.92rem; }

/* Service detail hero cards */
.detail-grid{ display:grid; grid-template-columns: repeat(auto-fit,minmax(300px,1fr)); gap: 2px; background: var(--c-border); }
.detail-card{ background:#fff; padding: 40px 32px; }
.detail-card .d-num{ font-family: var(--font-en); color: var(--c-gold); font-size:.84rem; letter-spacing:.1em; }
.detail-card h3{ font-size:1.15rem; font-weight:700; margin: 16px 0 14px; }
.detail-card p{ font-size:.9rem; color: var(--c-text-soft); }

/* Recruit page specific */
.recruit-hero-split{ display:grid; grid-template-columns: 1fr 1fr; min-height: 80vh; }
.recruit-hero-media{ position:relative; overflow:hidden; }
.recruit-hero-media img{ width:100%; height:100%; object-fit:cover; }
.recruit-hero-text{ background: var(--c-navy); color:#fff; display:flex; flex-direction:column; justify-content:center; padding: clamp(40px,6vw,90px); }
.recruit-hero-text h1{ font-size: clamp(1.9rem,3.6vw,3rem); font-weight:700; margin: 20px 0 24px; line-height:1.5; }
.recruit-hero-text p{ color: var(--c-text-invert-soft); margin-bottom: 30px; }

.culture-grid{ display:grid; grid-template-columns: repeat(auto-fit,minmax(260px,1fr)); gap: 30px; }
.culture-card{ padding: 36px 30px; background: #fff; border:1px solid var(--c-border); }
.culture-card .c-num{ font-family: var(--font-en); color: var(--c-gold); font-size:1.5rem; font-weight:300; }
.culture-card h3{ margin: 16px 0 12px; font-size: 1.1rem; font-weight:700; }
.culture-card p{ font-size:.88rem; color: var(--c-text-soft); }

.job-table{ width:100%; border-collapse: collapse; margin-top: 10px; }
.job-table th, .job-table td{ text-align:left; padding: 18px 20px; border-bottom: 1px solid var(--c-border); font-size:.9rem; vertical-align:top; }
.job-table th{ width: 180px; color: var(--c-text-soft); font-weight:700; font-size:.82rem; letter-spacing:.04em; }

/* ============ 404 ============ */
.error-page{
  min-height: 100vh; display:flex; flex-direction:column; align-items:center; justify-content:center;
  text-align:center; padding: 140px 24px 80px; background: var(--c-navy); color:#fff;
}
.error-page .code{ font-family: var(--font-en); font-size: clamp(4rem,12vw,8rem); color: var(--c-gold); font-weight:300; line-height:1; }
.error-page h1{ font-size: 1.6rem; margin: 20px 0 16px; }
.error-page p{ color: var(--c-text-invert-soft); margin-bottom: 40px; }

/* ============ Utility ============ */
.mt-0{margin-top:0;}
.text-center{ text-align:center; }
.gold{ color: var(--c-gold); }

/* ============ Responsive ============ */
@media (max-width: 1080px){
  .philosophy{ grid-template-columns: 1fr; }
  .message-block{ grid-template-columns: 1fr; }
  .service-grid{ grid-template-columns: repeat(3, 1fr); }
  .beyond-grid{ grid-template-columns: 1fr 1fr; }
  .approach-steps{ grid-template-columns: 1fr 1fr; }
  .footer-top{ grid-template-columns: 1fr 1fr; }
  .recruit-hero-split{ grid-template-columns: 1fr; }
  .two-col{ grid-template-columns: 1fr; }
  .value-row{ grid-template-columns: 1fr; gap: 20px; }
  .value-num{ font-size: 1.8rem; }
}

@media (max-width: 860px){
  .nav-desktop{ display:none; }
  .hamburger{ display:flex; }
  .header-cta .btn-outline-light{ display:none; }
  .form-grid{ grid-template-columns: 1fr; }
  .service-check-grid{ grid-template-columns: 1fr; }
  .stat-row{ grid-template-columns: 1fr; }
  .detail-grid{ grid-template-columns: 1fr; }
  .service-grid{ grid-template-columns: 1fr 1fr; }
  .beyond-grid{ grid-template-columns: 1fr 1fr; }
}

@media (max-width: 680px){
  .service-grid{ grid-template-columns: 1fr; }
  .beyond-grid{ grid-template-columns: 1fr; }
  .approach-steps{ grid-template-columns: 1fr; }
  .footer-top{ grid-template-columns: 1fr; gap: 36px; }
  .job-table th{ width: 110px; }
  .hero-inner{ padding-top: 140px; padding-bottom: 70px; }
  .hero-cta{ flex-direction:column; align-items:stretch; }
  .hero-cta .btn{ width:100%; }
  .hero-scroll{ display:none; }
}

/* ============ Fixed Bottom CTA Bar (mobile) ============ */
.fixed-bottom-cta{
  position: fixed; left:0; right:0; bottom:0; z-index: 900;
  display:none;
  background: rgba(16,26,46,.97);
  backdrop-filter: blur(10px);
  padding: 12px var(--pad);
  padding-bottom: calc(12px + env(safe-area-inset-bottom));
  box-shadow: 0 -8px 24px rgba(0,0,0,.25);
  gap: 10px;
  transform: translateY(100%);
  transition: transform .4s var(--ease);
}
.fixed-bottom-cta.is-visible{ transform: translateY(0); }
.fixed-bottom-cta.is-footer-visible{ transform: translateY(100%) !important; }
.fixed-bottom-cta .btn{ flex:1; padding: 14px 10px; font-size:.86rem; }
body.has-fixed-bottom-cta{ padding-bottom: 0; }

@media (max-width: 860px){
  .fixed-bottom-cta{ display:flex; }
}

/* ============ Back to Top Button ============ */
.back-to-top{
  position: fixed; right: 22px; bottom: 22px; z-index: 950;
  width: 50px; height: 50px; border-radius: 50%;
  display:flex; align-items:center; justify-content:center;
  background: var(--c-gold); color: var(--c-navy);
  border: none; cursor:pointer;
  opacity:0; visibility:hidden; transform: translateY(12px);
  transition: opacity .35s var(--ease), transform .35s var(--ease), background .3s, box-shadow .3s;
  box-shadow: 0 10px 24px rgba(0,0,0,.25);
}
.back-to-top.is-visible{ opacity:1; visibility:visible; transform: translateY(0); }
.back-to-top.is-footer-visible{ opacity:0 !important; visibility:hidden !important; transform: translateY(12px) !important; }
.back-to-top:hover{ background: var(--c-gold-light); box-shadow: 0 14px 30px rgba(0,0,0,.3); }
.back-to-top svg{ width:20px; height:20px; display:block; }
@media (max-width: 860px){
  .back-to-top{ right: 16px; bottom: 86px; width:46px; height:46px; }
}