/* ============================================================
   東京塗装株式会社 サイトリニューアル提案(営業提案用デモ)
   ツナグWeb v2.0 / 静的HTML・CSS・Vanilla JS
   ============================================================ */

/* ---------- Design tokens ---------- */
:root{
  --color-bg:#F7F3EC;
  --color-bg-elevated:#FFFFFF;
  --color-bg-navy-tint:#EEF1F6;
  --color-navy-900:#0F1A2E;
  --color-navy-800:#16233D;
  --color-navy-700:#233152;
  --color-navy-600:#334269;
  --color-accent-700:#B5341A;
  --color-accent-600:#E2592E;
  --color-accent-500:#EB7D53;
  --color-accent-100:#FBE7DC;
  --color-text:#262620;
  --color-text-muted:#6B6A62;
  --color-text-on-navy:#F3F1EA;
  --color-text-on-navy-muted:#B9C0D1;
  --color-border:#E5DFD0;
  --color-border-navy:rgba(255,255,255,.14);
  --color-verify-bg:#FFF3DE;
  --color-verify-text:#8A5A00;
  --color-verify-border:#EFC172;
  --color-white:#FFFFFF;

  --font-jp:"Noto Sans JP","Yu Gothic","Hiragino Kaku Gothic ProN","Hiragino Sans",Meiryo,sans-serif;

  --radius-s:8px;
  --radius-m:16px;
  --radius-l:28px;
  --radius-pill:999px;

  --shadow-s:0 2px 8px rgba(15,26,46,.06);
  --shadow-m:0 8px 24px rgba(15,26,46,.10);
  --shadow-l:0 16px 48px rgba(15,26,46,.16);

  --container-w:1160px;
  --header-h:76px;

  --ease:cubic-bezier(.22,.61,.36,1);
}

/* ---------- Reset ---------- */
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-jp);
  background:var(--color-bg);
  color:var(--color-text);
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
h1,h2,h3,h4,p,figure{margin:0;}
table{border-collapse:collapse;width:100%;}
input,select,textarea{font-family:inherit;font-size:1rem;}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important;scroll-behavior:auto !important;}
}

h1,h2,h3,h4{
  font-weight:800;
  line-height:1.4;
  color:var(--color-navy-800);
  letter-spacing:.01em;
}

.container{
  width:100%;
  max-width:var(--container-w);
  margin-inline:auto;
  padding-inline:24px;
}

.section{
  padding-block:clamp(56px,8vw,104px);
}
.section--tight{padding-block:clamp(40px,6vw,72px);}
.section--navy{background:var(--color-navy-800);color:var(--color-text-on-navy);}
.section--navy h2,.section--navy h3{color:var(--color-white);}
.section--alt{background:var(--color-bg-elevated);}

.section-head{
  text-align:center;
  max-width:680px;
  margin-inline:auto;
  margin-bottom:clamp(32px,5vw,56px);
}
.section-eyebrow{
  display:inline-block;
  font-size:.8rem;
  font-weight:700;
  letter-spacing:.14em;
  color:var(--color-accent-600);
  margin-bottom:10px;
}
.section-title{
  font-size:clamp(1.55rem,3.4vw,2.35rem);
}
.section-lead{
  margin-top:14px;
  color:var(--color-text-muted);
  font-size:1.02rem;
}
.section--navy .section-lead{color:var(--color-text-on-navy-muted);}

.title-rule{
  display:flex;
  justify-content:center;
  gap:6px;
  margin-top:16px;
}
.title-rule span{height:4px;border-radius:2px;background:var(--color-navy-800);}
.title-rule span:nth-child(1){width:34px;}
.title-rule span:nth-child(2){width:16px;background:var(--color-accent-600);}
.title-rule span:nth-child(3){width:34px;}
.section--navy .title-rule span{background:var(--color-text-on-navy-muted);}
.section--navy .title-rule span:nth-child(2){background:var(--color-accent-500);}

/* ---------- Skip link ---------- */
.skip-link{
  position:absolute;left:12px;top:-60px;
  background:var(--color-navy-800);color:#fff;
  padding:10px 16px;border-radius:var(--radius-s);
  z-index:1000;transition:top .2s var(--ease);
}
.skip-link:focus{top:12px;}

/* ---------- Comprehensive notice banner (mandatory, top of every page) ---------- */
.notice-banner{
  background:var(--color-navy-900);
  color:var(--color-text-on-navy-muted);
  font-size:.82rem;
  line-height:1.7;
  padding:12px 0;
  border-bottom:1px solid var(--color-border-navy);
}
.notice-banner .container{display:flex;gap:10px;align-items:flex-start;}
.notice-banner__mark{
  flex:none;
  color:var(--color-accent-500);
  font-weight:700;
}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:500;
  background:rgba(247,243,236,.92);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--color-border);
}
.site-header__inner{
  display:flex;align-items:center;justify-content:space-between;
  height:var(--header-h);
}
.brand{display:flex;align-items:center;gap:10px;}
.brand__mark{width:38px;height:38px;border-radius:10px;background:var(--color-navy-800);
  display:flex;align-items:center;justify-content:center;flex:none;}
.brand__mark svg{width:20px;height:20px;}
.brand__text{display:flex;flex-direction:column;line-height:1.2;}
.brand__name{font-weight:800;font-size:1.05rem;color:var(--color-navy-800);}
.brand__name small{font-weight:600;font-size:.68em;color:var(--color-text-muted);margin-left:.35em;}
.brand__tag{
  margin-left:8px;font-size:.68rem;font-weight:700;color:var(--color-accent-700);
  background:var(--color-accent-100);padding:3px 9px;border-radius:var(--radius-pill);
  white-space:nowrap;
}

.nav-toggle{
  display:none;
  width:44px;height:44px;align-items:center;justify-content:center;
  background:none;border:1px solid var(--color-border);border-radius:var(--radius-s);
}
.nav-toggle svg{width:22px;height:22px;color:var(--color-navy-800);}
.nav-toggle .icon-close{display:none;}
.nav-toggle[aria-expanded="true"] .icon-menu{display:none;}
.nav-toggle[aria-expanded="true"] .icon-close{display:block;}

.main-nav__list{display:flex;align-items:center;gap:6px;}
.main-nav__list a:not(.btn){
  display:inline-block;padding:10px 14px;border-radius:var(--radius-pill);
  font-size:.92rem;font-weight:600;color:var(--color-navy-700);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.main-nav__list a:not(.btn):hover{background:var(--color-bg-navy-tint);}
.main-nav__list a[aria-current="page"]{color:var(--color-accent-700);}
.main-nav__list li:last-child{margin-left:6px;}

/* ---------- Buttons ---------- */
.btn{
  position:relative;overflow:hidden;
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:var(--radius-pill);
  font-weight:700;font-size:.96rem;border:2px solid transparent;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease);
  white-space:nowrap;
}
.btn svg{width:18px;height:18px;}
.btn--primary{background:var(--color-accent-600);color:#fff;box-shadow:var(--shadow-s);}
.btn--primary:hover{background:var(--color-accent-700);transform:translateY(-2px);box-shadow:var(--shadow-m);}
.btn--outline{border-color:var(--color-navy-800);color:var(--color-navy-800);background:transparent;}
.btn--outline:hover{background:var(--color-navy-800);color:#fff;transform:translateY(-2px);}
.btn--on-navy{border-color:rgba(255,255,255,.5);color:#fff;}
.btn--on-navy:hover{background:#fff;color:var(--color-navy-800);}
.btn--block{width:100%;}
.btn--sm{padding:10px 18px;font-size:.85rem;}
.btn[disabled],.btn--disabled{opacity:.55;cursor:not-allowed;}

/* ripple (UI effect 2) */
.ripple{
  position:absolute;border-radius:50%;
  background:rgba(255,255,255,.55);
  transform:scale(0);
  animation:ripple .5s ease-out forwards;
  pointer-events:none;
}
.btn--outline .ripple,.btn--on-navy .ripple{background:rgba(22,35,61,.18);}
@keyframes ripple{to{transform:scale(2.6);opacity:0;}}

.cta-row{display:flex;flex-wrap:wrap;gap:14px;align-items:center;}

/* ---------- Reveal-on-scroll (UI effect 1) ---------- */
.reveal{
  opacity:0;transform:translateY(18px);
  transition:opacity .7s var(--ease),transform .7s var(--ease);
}
.reveal.is-visible{opacity:1;transform:translateY(0);}
.reveal-group > *{transition-delay:calc(var(--i,0) * 90ms);}

/* ---------- Hero / 3D scroll section ---------- */
.hero-3d{
  position:relative;
  height:340vh;
}
@media (max-width:1024px){.hero-3d{height:300vh;}}
@media (max-width:768px){.hero-3d{height:260vh;}}

.hero-3d__sticky{
  position:sticky;top:0;height:100vh;min-height:520px;
  overflow:hidden;background:var(--color-navy-900);
}
#scroll3d-canvas{width:100%;height:100%;display:block;will-change:contents;transform:translateZ(0);}

.hero-3d__loading{
  position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;background:var(--color-navy-900);color:var(--color-text-on-navy-muted);
  z-index:5;transition:opacity .5s var(--ease),visibility .5s var(--ease);
}
.hero-3d__loading.is-loaded{opacity:0;visibility:hidden;pointer-events:none;}
.hero-3d__bar{width:200px;height:4px;border-radius:2px;background:rgba(255,255,255,.16);overflow:hidden;}
.hero-3d__bar span{display:block;height:100%;width:0%;background:var(--color-accent-600);transition:width .2s var(--ease);}

.hero-3d__overlay{
  position:absolute;inset:0;z-index:4;
  display:flex;align-items:center;
  background:linear-gradient(90deg,rgba(15,26,46,.72) 0%,rgba(15,26,46,.42) 45%,rgba(15,26,46,0) 75%);
}
.hero-3d__content{padding-left:6vw;max-width:620px;color:#fff;}
.hero-3d__eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.82rem;font-weight:700;letter-spacing:.08em;
  color:var(--color-accent-500);margin-bottom:18px;
}
.hero-3d__title{
  font-size:clamp(2rem,5vw,3.4rem);color:#fff;line-height:1.35;
  text-shadow:0 2px 24px rgba(0,0,0,.25);
}
.hero-3d__title em{
  display:block;font-style:normal;color:var(--color-accent-500);
}
.hero-3d__lead{
  margin-top:20px;font-size:1.05rem;color:var(--color-text-on-navy-muted);max-width:480px;
}
.hero-3d__cta{margin-top:32px;}
.hero-3d__scrolldown{
  position:absolute;left:6vw;bottom:34px;z-index:4;
  display:flex;flex-direction:column;align-items:center;gap:6px;
  font-size:.72rem;color:var(--color-text-on-navy-muted);
  opacity:0;transition:opacity .5s var(--ease);
}
.hero-3d__scrolldown.is-visible{opacity:1;}
.hero-3d__scrolldown svg{width:16px;height:16px;animation:bob 1.6s ease-in-out infinite;}
@keyframes bob{0%,100%{transform:translateY(0);}50%{transform:translateY(6px);}}

.hero-3d__annotation{
  position:absolute;right:6vw;bottom:15%;z-index:4;max-width:280px;
  background:rgba(15,26,46,.72);backdrop-filter:blur(6px);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius-m);padding:18px 20px;color:#fff;
  transition:opacity .4s var(--ease),transform .4s var(--ease);
  opacity:0;transform:translateY(20px);
}
.hero-3d__annotation.visible{opacity:1;transform:translateY(0);}
.hero-3d__annotation h3{color:#fff;font-size:1rem;}
.hero-3d__annotation p{margin-top:6px;font-size:.85rem;color:var(--color-text-on-navy-muted);}

/* per-page simple hero (non-3D pages) */
.page-hero{
  background:var(--color-navy-800);color:#fff;
  padding-block:clamp(64px,10vw,120px) clamp(48px,7vw,80px);
  position:relative;overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;right:-10%;top:-30%;width:60%;height:160%;
  background:radial-gradient(circle,rgba(226,89,46,.22),transparent 70%);
  pointer-events:none;
}
.page-hero__eyebrow{color:var(--color-accent-500);font-weight:700;font-size:.82rem;letter-spacing:.1em;}
.page-hero h1{color:#fff;font-size:clamp(1.9rem,4.4vw,2.9rem);margin-top:10px;}
.page-hero p{color:var(--color-text-on-navy-muted);margin-top:14px;max-width:640px;font-size:1.02rem;}
.page-hero__crumb{margin-top:22px;font-size:.85rem;color:var(--color-text-on-navy-muted);}
.page-hero__crumb a{color:#fff;font-weight:600;}
.page-hero__crumb a:hover{text-decoration:underline;}

/* ---------- Parallax decorations (UI effect 3) ---------- */
.parallax-layer{position:absolute;pointer-events:none;will-change:transform;}
.deco-blob{
  position:absolute;border-radius:50%;filter:blur(2px);opacity:.5;
  background:radial-gradient(circle,var(--color-accent-100),transparent 70%);
}

/* ---------- Cards ---------- */
.grid{display:grid;gap:28px;}
.grid--3{grid-template-columns:repeat(3,1fr);}
.grid--4{grid-template-columns:repeat(4,1fr);}
.grid--2{grid-template-columns:repeat(2,1fr);}
@media (max-width:960px){.grid--3,.grid--4{grid-template-columns:repeat(2,1fr);}}
@media (max-width:620px){.grid--3,.grid--4,.grid--2{grid-template-columns:1fr;}}

.card{
  background:var(--color-bg-elevated);
  border:1px solid var(--color-border);
  border-radius:var(--radius-m);
  overflow:hidden;
  box-shadow:var(--shadow-s);
  transition:box-shadow .25s var(--ease),transform .25s var(--ease);
}
.card:hover{box-shadow:var(--shadow-m);transform:translateY(-4px);}
.card__body{padding:22px 22px 26px;}
.card__title{font-size:1.12rem;margin-bottom:10px;}
.card__text{color:var(--color-text-muted);font-size:.94rem;}
.card__icon{
  width:52px;height:52px;border-radius:14px;background:var(--color-accent-100);
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;
}
.card__icon svg{width:26px;height:26px;color:var(--color-accent-700);}

/* tilt cards (UI effect 7) */
.tilt-card{transform-style:preserve-3d;transition:transform .15s ease-out,box-shadow .25s var(--ease);}
.tilt-card:hover{box-shadow:var(--shadow-l);}

/* ---------- Image / media placeholder (画像未着手スロット) ---------- */
.media{
  position:relative;aspect-ratio:4/3;border-radius:var(--radius-m);overflow:hidden;
  background:var(--color-bg-navy-tint);
}
.media--wide{aspect-ratio:16/9;}
.media--square{aspect-ratio:1/1;}
.media img{width:100%;height:100%;object-fit:cover;
  filter:blur(14px);opacity:0;transform:scale(1.04);
  transition:filter .6s var(--ease),opacity .6s var(--ease),transform .6s var(--ease);
}
.media img.is-loaded{filter:blur(0);opacity:1;transform:scale(1);}

.img-placeholder{
  position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:10px;text-align:center;padding:20px;
  background:
    repeating-linear-gradient(135deg,rgba(22,35,61,.05) 0 14px,transparent 14px 28px),
    linear-gradient(160deg,var(--color-bg-navy-tint),#E4E9F2);
  border:1px dashed rgba(22,35,61,.28);
  color:var(--color-navy-700);
}
.img-placeholder svg{width:34px;height:34px;color:var(--color-navy-600);opacity:.7;}
.img-placeholder__label{font-size:.86rem;font-weight:700;}
.img-placeholder__sub{font-size:.72rem;color:var(--color-text-muted);max-width:220px;}

.media-caption{
  margin-top:10px;font-size:.74rem;line-height:1.6;color:var(--color-text-muted);
}
.media-caption strong{color:var(--color-accent-700);font-weight:700;}

/* ---------- Badges ---------- */
.badge{
  display:inline-flex;align-items:center;gap:5px;
  font-size:.72rem;font-weight:700;padding:4px 10px;border-radius:var(--radius-pill);
  white-space:nowrap;
}
.badge--verify{background:var(--color-verify-bg);color:var(--color-verify-text);border:1px solid var(--color-verify-border);}
.badge--sample{background:var(--color-navy-800);color:#fff;}
.badge--ai{background:var(--color-accent-100);color:var(--color-accent-700);}
.badge--outline{background:transparent;border:1px solid var(--color-border);color:var(--color-text-muted);}

/* ---------- Stat counters (UI effect 4) ---------- */
.stat{text-align:center;}
.stat__value{
  font-size:clamp(2rem,4.4vw,3rem);font-weight:800;color:var(--color-navy-800);
  display:flex;align-items:baseline;justify-content:center;gap:4px;
}
.section--navy .stat__value{color:#fff;}
.stat__unit{font-size:1.1rem;font-weight:700;color:var(--color-text-muted);}
.stat__label{margin-top:8px;font-size:.88rem;color:var(--color-text-muted);}
.stat__verify{margin-top:10px;}
.section--navy .stat__label{color:var(--color-text-on-navy-muted);}

/* ---------- Notice (individual annotation) ---------- */
.notice-inline{
  display:flex;gap:8px;align-items:flex-start;
  font-size:.78rem;line-height:1.7;color:var(--color-text-muted);
  background:var(--color-bg-navy-tint);border-radius:var(--radius-s);
  padding:10px 12px;margin-top:14px;
}
.notice-inline svg{width:16px;height:16px;flex:none;margin-top:2px;color:var(--color-accent-700);}

.verify-note{
  margin-top:8px;font-size:.78rem;color:var(--color-verify-text);
  display:flex;gap:6px;align-items:center;
}

/* ---------- Sections: kodawari / feature list ---------- */
.feature-row{
  display:grid;grid-template-columns:repeat(2,1fr);gap:20px;
}
@media (max-width:768px){.feature-row{grid-template-columns:1fr;}}
.feature{
  display:flex;gap:16px;padding:22px;background:var(--color-bg-elevated);
  border:1px solid var(--color-border);border-radius:var(--radius-m);
}
.feature__num{
  flex:none;width:40px;height:40px;border-radius:50%;background:var(--color-navy-800);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:.95rem;
}
.feature h3{font-size:1.02rem;margin-bottom:6px;}
.feature p{font-size:.9rem;color:var(--color-text-muted);}

/* ---------- Table ---------- */
.table-wrap{overflow-x:auto;border-radius:var(--radius-m);border:1px solid var(--color-border);}
.data-table{min-width:560px;background:var(--color-bg-elevated);}
.data-table th,.data-table td{
  text-align:left;padding:14px 18px;border-bottom:1px solid var(--color-border);font-size:.92rem;
}
.data-table th{background:var(--color-bg-navy-tint);color:var(--color-navy-800);font-weight:700;width:32%;}
.data-table tr:last-child td,.data-table tr:last-child th{border-bottom:none;}

.compare-table th,.compare-table td{text-align:center;}
.compare-table th:first-child,.compare-table td:first-child{text-align:left;}
.compare-table thead th{background:var(--color-navy-800);color:#fff;}
.compare-table tbody tr:nth-child(odd){background:var(--color-bg);}
.compare-table td.is-us{background:var(--color-accent-100);font-weight:700;color:var(--color-accent-700);}

/* ---------- Timeline (company history) ---------- */
.timeline{border-left:2px solid var(--color-border);padding-left:26px;display:flex;flex-direction:column;gap:26px;}
.timeline li{position:relative;}
.timeline li::before{
  content:"";position:absolute;left:-33px;top:4px;width:12px;height:12px;border-radius:50%;
  background:var(--color-accent-600);border:3px solid var(--color-bg-elevated);box-shadow:0 0 0 2px var(--color-accent-600);
}
.timeline time{font-weight:700;color:var(--color-navy-700);font-size:.85rem;}
.timeline p{margin-top:4px;color:var(--color-text-muted);font-size:.92rem;}

/* ---------- Works / testimonial cards ---------- */
.works-card{position:relative;}
.works-card__badge{
  position:absolute;top:14px;left:14px;z-index:2;
}
.works-card .media{border-radius:0;}

.quote-card{
  background:var(--color-bg-elevated);border:1px solid var(--color-border);border-radius:var(--radius-m);
  padding:26px;position:relative;
}
.quote-card svg.quote-mark{width:26px;height:26px;color:var(--color-accent-500);margin-bottom:10px;}
.quote-card p{font-size:.98rem;color:var(--color-text);}
.quote-card footer{margin-top:16px;font-size:.82rem;color:var(--color-text-muted);}

/* ---------- Form ---------- */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
@media (max-width:640px){.form-grid{grid-template-columns:1fr;}}
.form-field{display:flex;flex-direction:column;gap:8px;}
.form-field--full{grid-column:1/-1;}
.form-field label{font-weight:700;font-size:.9rem;color:var(--color-navy-800);}
.form-field label .req{color:var(--color-accent-600);margin-left:4px;font-size:.78rem;}
.form-field label .opt{color:var(--color-text-muted);margin-left:4px;font-size:.78rem;font-weight:500;}
.form-field input,.form-field select,.form-field textarea{
  padding:13px 14px;border:1px solid var(--color-border);border-radius:var(--radius-s);
  background:var(--color-bg-elevated);color:var(--color-text);
}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{
  outline:2px solid var(--color-accent-500);outline-offset:1px;border-color:var(--color-accent-500);
}
.form-note{
  margin-top:20px;padding:16px 18px;border-radius:var(--radius-s);
  background:var(--color-verify-bg);border:1px solid var(--color-verify-border);
  color:var(--color-verify-text);font-size:.86rem;line-height:1.8;
}
.form-status{
  margin-top:16px;padding:14px 16px;border-radius:var(--radius-s);
  background:var(--color-bg-navy-tint);color:var(--color-navy-800);font-size:.88rem;
  display:none;
}
.form-status.is-visible{display:block;}

/* ---------- Contact block (phone/mail cards) ---------- */
.contact-methods{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
@media (max-width:640px){.contact-methods{grid-template-columns:1fr;}}
.contact-method{
  background:var(--color-bg-elevated);border:1px solid var(--color-border);border-radius:var(--radius-m);
  padding:24px;text-align:center;
}
.contact-method svg{width:28px;height:28px;color:var(--color-accent-600);margin-bottom:10px;}
.contact-method__value{font-size:1.3rem;font-weight:800;color:var(--color-navy-800);}
.contact-method__value.is-disabled{color:var(--color-text-muted);text-decoration:line-through;font-size:1.1rem;}

/* ---------- CTA band ---------- */
.cta-band{
  background:linear-gradient(120deg,var(--color-navy-900),var(--color-navy-700));
  color:#fff;border-radius:var(--radius-l);
  padding:clamp(36px,5vw,56px);
  display:flex;flex-wrap:wrap;gap:24px;align-items:center;justify-content:space-between;
  position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 85% 20%,rgba(226,89,46,.35),transparent 55%);
}
.cta-band__text{position:relative;max-width:520px;}
.cta-band h2{color:#fff;font-size:clamp(1.4rem,2.6vw,1.9rem);}
.cta-band p{margin-top:8px;color:var(--color-text-on-navy-muted);}
.cta-band__actions{position:relative;display:flex;flex-wrap:wrap;gap:14px;}

/* ---------- Footer ---------- */
.site-footer{background:var(--color-navy-900);color:var(--color-text-on-navy-muted);padding-block:56px 28px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;}
@media (max-width:860px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media (max-width:560px){.footer-grid{grid-template-columns:1fr;}}
.footer-brand__name{color:#fff;font-weight:800;font-size:1.1rem;}
.footer-brand p{margin-top:12px;font-size:.85rem;line-height:1.9;}
.footer-col h3{color:#fff;font-size:.86rem;letter-spacing:.06em;margin-bottom:14px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:.88rem;transition:color .2s var(--ease);}
.footer-col a:hover{color:#fff;}
.footer-bottom{
  margin-top:44px;padding-top:24px;border-top:1px solid var(--color-border-navy);
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;
  font-size:.76rem;color:var(--color-text-on-navy-muted);
}
.footer-disclaimer{
  margin-top:28px;padding:18px 20px;border:1px solid var(--color-border-navy);border-radius:var(--radius-m);
  font-size:.76rem;line-height:1.8;
}

/* ---------- Responsive: header/nav ---------- */
@media (max-width:900px){
  .nav-toggle{display:inline-flex;}
  .main-nav{
    position:fixed;inset:var(--header-h) 0 0 0;
    background:var(--color-bg);
    padding:20px 24px 40px;
    transform:translateY(-12px);
    opacity:0;visibility:hidden;
    transition:opacity .25s var(--ease),transform .25s var(--ease),visibility .25s;
    overflow-y:auto;
    z-index:400;
  }
  .main-nav.is-open{opacity:1;transform:translateY(0);visibility:visible;}
  .main-nav__list{flex-direction:column;align-items:stretch;gap:4px;}
  .main-nav__list a:not(.btn){padding:14px 16px;border-radius:var(--radius-s);font-size:1rem;}
  .main-nav__list li:last-child{margin-left:0;margin-top:10px;}
  .main-nav__list .btn{width:100%;}
  .hero-3d__overlay{background:linear-gradient(180deg,rgba(15,26,46,.35) 0%,rgba(15,26,46,.82) 78%);align-items:flex-end;padding-bottom:64px;}
  .hero-3d__content{padding-left:6vw;padding-right:6vw;max-width:100%;}
  .hero-3d__annotation{display:none;}
}

@media (max-width:640px){
  .cta-band{flex-direction:column;align-items:flex-start;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}