/*
Theme Name: どさんこプロダクション
Theme URI: https://dosanko.works
Author: どさんこプロダクション
Author URI: https://dosanko.works
Description: ビジネス特化の動画編集・映像制作チーム「どさんこプロダクション」公式サイト用テーマ。黒×ゴールドのエディトリアル・ラグジュアリーデザイン。
Version: 1.0.0
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: dosanko-production
*/

/* ===================================================================
   どさんこプロダクション — Black × Gold / Editorial Luxury Theme
   =================================================================== */

:root{
  --bg-0:#0a0a0a;
  --bg-1:#000000;
  --bg-2:#0f0f0f;
  --panel:#111110;
  --panel-border:rgba(201,169,97,0.22);
  --text-0:#f5f2ea;
  --text-1:#b3ac9d;
  --text-2:#6e6858;
  --gold:#cda45e;
  --gold-light:#f0d9a8;
  --gold-dark:#8a6a30;
  --red:#a83a3a;
  --green:#6b8f6b;
  --grad-gold:linear-gradient(120deg,#8a6a30 0%,#f0d9a8 42%,#cda45e 58%,#8a6a30 100%);
  --radius-lg:2px;
  --radius-md:2px;
  --radius-sm:1px;
  --ff-head:'Noto Serif JP','Noto Sans JP',serif;
  --ff-body:'Noto Sans JP',sans-serif;
  --ff-latin:'Bebas Neue',sans-serif;
  --ease:cubic-bezier(.16,.84,.44,1);
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  background:var(--bg-0);
  color:var(--text-0);
  font-family:var(--ff-body);
  line-height:1.75;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;}
button{font:inherit;cursor:pointer;}
input,textarea,select{font:inherit;}

.container{
  width:100%;
  max-width:1180px;
  margin:0 auto;
  padding-inline:24px;
}

/* ---------- background fx ---------- */
.noise-overlay{
  position:fixed;inset:0;z-index:1;pointer-events:none;opacity:.05;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='120' height='120'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}

/* ---------- reveal on scroll ---------- */
[data-reveal]{
  opacity:0;
  transform:translateY(24px);
  transition:opacity .9s var(--ease),transform .9s var(--ease);
}
[data-reveal].is-visible{opacity:1;transform:translateY(0);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:16px 34px;
  border-radius:var(--radius-sm);
  font-family:var(--ff-body);
  font-weight:700;
  font-size:.85rem;
  letter-spacing:.08em;
  border:1px solid transparent;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),background .3s var(--ease),border-color .3s var(--ease),color .3s var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:var(--grad-gold);
  color:#100c02;
  border-color:var(--gold);
}
.btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:0 10px 26px -8px rgba(205,164,94,.5);
}
.btn-ghost{
  background:transparent;
  border-color:rgba(245,242,234,0.35);
  color:var(--text-0);
}
.btn-ghost:hover{
  border-color:var(--gold);
  color:var(--gold-light);
  transform:translateY(-2px);
}
.btn-small{padding:12px 24px;font-size:.78rem;}

/* ---------- header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  border-bottom:1px solid transparent;
  transition:background .3s var(--ease),border-color .3s var(--ease),backdrop-filter .3s var(--ease);
}
.site-header.scrolled{
  background:rgba(10,10,10,0.9);
  backdrop-filter:blur(10px);
  border-bottom-color:var(--panel-border);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  height:80px;
}
.logo{display:flex;align-items:baseline;gap:6px;font-family:var(--ff-head);font-weight:700;font-size:1.05rem;letter-spacing:.02em;white-space:nowrap;}
.logo-mark{display:none;}
.logo-text{
  background:var(--grad-gold);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.logo-text .accent{
  background:none;-webkit-background-clip:initial;background-clip:initial;
  color:var(--text-0);font-weight:400;font-size:.82em;margin-left:2px;
}
.main-nav{display:flex;gap:36px;}
.main-nav a{
  font-size:.82rem;color:var(--text-1);font-weight:500;position:relative;padding:4px 0;
  letter-spacing:.03em;
  transition:color .25s var(--ease);
}
.main-nav a::after{
  content:"";position:absolute;left:0;bottom:-2px;width:0;height:1px;background:var(--gold);
  transition:width .3s var(--ease);
}
.main-nav a:hover{color:var(--text-0);}
.main-nav a:hover::after{width:100%;}
.nav-cta{margin-left:16px;}
.hamburger{
  display:none;flex-direction:column;gap:5px;background:none;border:none;padding:6px;
}
.hamburger span{width:22px;height:1px;background:var(--text-0);transition:transform .3s var(--ease),opacity .3s var(--ease);}
.hamburger.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.hamburger.open span:nth-child(2){opacity:0;}
.hamburger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ---------- hero ---------- */
.hero{
  position:relative;z-index:2;
  min-height:100vh;
  display:flex;align-items:center;
  padding:150px 0 90px;
  overflow:hidden;
  background:
    radial-gradient(ellipse 60% 50% at 15% 20%,rgba(205,164,94,0.07),transparent 60%),
    var(--bg-1);
}
.hero-vignette{
  position:absolute;inset:0;z-index:0;pointer-events:none;
  background:radial-gradient(ellipse 80% 70% at 50% 40%,transparent 40%,rgba(0,0,0,0.75) 100%);
}
.hero-bgtype{
  position:absolute;
  top:50%;left:50%;
  transform:translate(-50%,-50%);
  font-family:var(--ff-latin);
  font-size:clamp(6rem,20vw,15rem);
  letter-spacing:.02em;
  color:transparent;
  -webkit-text-stroke:1px rgba(205,164,94,0.16);
  white-space:nowrap;
  z-index:0;
  pointer-events:none;
  user-select:none;
}

.hero-inner{position:relative;z-index:1;}
.hero-copy{max-width:720px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:14px;
  font-family:var(--ff-latin);
  font-size:.85rem;letter-spacing:.14em;
  color:var(--gold-light);
  margin-bottom:26px;
}
.eyebrow-rule{
  width:34px;height:1px;background:var(--gold);
  display:inline-block;
}

.hero-title{
  font-family:var(--ff-head);
  font-weight:700;
  font-size:clamp(2rem,4.4vw,3.3rem);
  line-height:1.45;
  letter-spacing:.01em;
  margin-bottom:26px;
}
.gradient-text{
  background:var(--grad-gold);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-rule{width:64px;height:1px;background:var(--gold);margin-bottom:26px;}
.hero-desc{
  color:var(--text-1);
  font-size:1rem;
  max-width:480px;
  margin-bottom:40px;
}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:56px;}

.hero-stats{display:flex;align-items:center;gap:32px;}
.stat{display:flex;flex-direction:column;}
.stat-divider{width:1px;height:36px;background:rgba(245,242,234,0.14);}
.stat-num{
  font-family:var(--ff-head);font-weight:700;font-size:2rem;color:var(--text-0);
}
.stat-suffix{font-family:var(--ff-latin);font-weight:400;font-size:1.1rem;color:var(--gold);margin-left:2px;}
.stat-label{font-size:.78rem;color:var(--text-2);letter-spacing:.02em;margin-top:4px;max-width:150px;}
.hero-credential{
  margin-top:26px;
  font-size:.8rem;color:var(--text-2);
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 18px;
  border:1px solid rgba(245,242,234,0.12);
}

.scroll-cue{
  position:absolute;left:50%;bottom:24px;transform:translateX(-50%);
  display:flex;flex-direction:column;align-items:center;gap:10px;
  font-family:var(--ff-latin);font-size:.7rem;letter-spacing:.16em;color:var(--text-2);
  z-index:1;
}
.scroll-cue span{
  width:1px;height:34px;
  background:linear-gradient(var(--gold),transparent);
  animation:scroll-cue-move 1.8s ease-in-out infinite;
}
@keyframes scroll-cue-move{
  0%{opacity:0;transform:translateY(-6px);}
  50%{opacity:1;}
  100%{opacity:0;transform:translateY(10px);}
}

/* ---------- generic section ---------- */
.section{position:relative;z-index:2;padding:130px 0;}
.section-dark{background:var(--bg-2);}
.section-eyebrow{
  font-family:var(--ff-latin);font-size:.85rem;letter-spacing:.16em;color:var(--gold);margin-bottom:18px;
}
.section-title{
  font-family:var(--ff-head);font-weight:700;
  font-size:clamp(1.6rem,3.2vw,2.3rem);
  margin-bottom:20px;
  max-width:720px;
  letter-spacing:.01em;
}
.section-desc{color:var(--text-1);max-width:600px;margin-bottom:60px;font-size:.98rem;}

/* ---------- services ---------- */
.service-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:1px;
  background:var(--panel-border);
}
.service-card{
  position:relative;
  background:var(--bg-1);
  padding:44px 34px 38px;
  overflow:hidden;
  transition:background .35s var(--ease);
}
.service-card:hover{background:var(--panel);}
.service-bg{
  position:absolute;inset:0;
  z-index:0;
  opacity:.6;
  pointer-events:none;
  overflow:hidden;
  mask-image:radial-gradient(circle at 100% 0%,#000 0%,#000 26%,transparent 62%);
  -webkit-mask-image:radial-gradient(circle at 100% 0%,#000 0%,#000 26%,transparent 62%);
}
.service-bg svg{
  position:absolute;top:0;right:0;
  width:78%;height:60%;
  fill:none;
  stroke:var(--gold);
  stroke-width:1.2;
  stroke-linecap:round;
  stroke-linejoin:round;
}
.service-content{position:relative;z-index:1;}
.service-no{
  position:absolute;top:30px;right:34px;
  font-family:var(--ff-latin);font-size:.85rem;color:var(--text-2);letter-spacing:.08em;
}
.service-icon{
  width:52px;height:52px;
  display:flex;align-items:center;justify-content:center;
  margin-bottom:26px;
  background:var(--bg-1);
  border:1px solid rgba(205,164,94,0.3);
}
.service-icon svg{width:24px;height:24px;fill:none;stroke:var(--gold);stroke-width:1.4;stroke-linecap:round;stroke-linejoin:round;}
.icon-video{}
.icon-web{}
.icon-ai{}
.service-card h3{font-family:var(--ff-head);font-size:1.2rem;margin-bottom:14px;font-weight:700;}
.service-content > p{color:var(--text-1);font-size:.9rem;margin-bottom:22px;}
.service-list{display:flex;flex-direction:column;gap:9px;}
.service-list li{
  font-size:.84rem;color:var(--text-1);padding-left:20px;position:relative;
}
.service-list li::before{
  content:"";position:absolute;left:0;top:8px;width:10px;height:1px;background:var(--gold);
}

/* ---------- concept ---------- */
.concept-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:1px;
  background:var(--panel-border);
}
.concept-card{
  padding:40px 34px;
  background:var(--bg-1);
  transition:background .3s var(--ease);
}
.concept-card:hover{background:var(--panel);}
.concept-no{
  font-family:var(--ff-latin);font-size:.9rem;color:var(--gold);letter-spacing:.1em;display:block;margin-bottom:16px;
}
.concept-card h3{font-family:var(--ff-head);font-size:1.05rem;margin-bottom:14px;font-weight:700;}
.concept-card p{font-size:.88rem;color:var(--text-1);}

/* ---------- pain points ---------- */
.pain-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:1px;
  background:var(--panel-border);
}
.pain-card{
  padding:40px 34px;
  background:var(--bg-2);
  transition:background .3s var(--ease);
}
.pain-card:hover{background:var(--panel);}
.pain-icon{color:var(--gold);font-size:1rem;display:block;margin-bottom:16px;font-family:var(--ff-latin);letter-spacing:.1em;}
.pain-card h3{font-family:var(--ff-head);font-size:1rem;margin-bottom:14px;font-weight:700;}
.pain-card p{font-size:.86rem;color:var(--text-1);}

/* ---------- strength ---------- */
.strength-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--panel-border);
}
.strength-card{
  padding:34px 28px;
  background:var(--bg-2);
  transition:background .3s var(--ease);
}
.strength-card:hover{background:var(--panel);}
.strength-icon{font-size:1.3rem;color:var(--gold);display:block;margin-bottom:18px;font-weight:300;}
.strength-card h3{font-family:var(--ff-head);font-size:1rem;margin-bottom:12px;font-weight:700;}
.strength-card p{font-size:.85rem;color:var(--text-1);}

/* ---------- works ---------- */
.works-sub{
  font-family:var(--ff-latin);font-size:1rem;letter-spacing:.1em;
  color:var(--gold-light);margin:0 0 24px;
  display:flex;align-items:center;gap:14px;
}
.works-sub::before{content:"";width:24px;height:1px;background:var(--gold);display:inline-block;}
.works-sub:not(:first-of-type){margin-top:64px;}
.works-more{
  margin-top:26px;font-size:.85rem;color:var(--text-2);
}
.works-more a{color:var(--gold-light);text-decoration:underline;text-underline-offset:3px;}
.works-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:1px;
  background:var(--panel-border);
}
.works-grid-video{grid-template-columns:repeat(4,1fr);}
.work-card{display:block;background:var(--bg-1);overflow:hidden;transition:background .35s var(--ease);}
.work-card:hover{background:var(--panel);}
.work-thumb{
  aspect-ratio:16/10;position:relative;
  display:flex;align-items:center;justify-content:center;
  overflow:hidden;
  background:#050505;
}
.work-thumb img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  filter:grayscale(0.65) contrast(1.05);
  transition:transform .5s var(--ease),filter .5s var(--ease);
}
.work-card:hover .work-thumb img{transform:scale(1.05);filter:grayscale(0) contrast(1.05);}
.work-thumb::after{
  content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 45%,rgba(0,0,0,.65));
}
.work-play{
  position:relative;z-index:1;
  width:44px;height:44px;
  display:flex;align-items:center;justify-content:center;
  border:1px solid rgba(245,242,234,0.4);
  color:#fff;
  transition:transform .3s var(--ease),border-color .3s var(--ease);
}
.work-card:hover .work-play{transform:scale(1.1);border-color:var(--gold);color:var(--gold-light);}
.work-meta{padding:20px 22px 24px;}
.work-tag{
  font-family:var(--ff-latin);font-size:.72rem;letter-spacing:.12em;color:var(--gold);
}
.work-meta h3{font-size:.92rem;margin-top:10px;font-weight:500;line-height:1.5;}

.site-work-card{
  display:flex;flex-direction:column;
  background:var(--bg-1);
  transition:background .35s var(--ease);
}
.site-work-card:hover{background:var(--panel);}
.site-work-thumb{
  aspect-ratio:14/9;position:relative;overflow:hidden;background:#050505;
}
.site-work-thumb img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:top;
  filter:grayscale(0.5) contrast(1.05);
  transition:transform .5s var(--ease),filter .5s var(--ease);
}
.site-work-card:hover .site-work-thumb img{transform:scale(1.04);filter:grayscale(0) contrast(1.05);}
.site-work-body{padding:28px 30px 32px;}
.site-work-body h3{font-family:var(--ff-head);font-size:1.05rem;margin:14px 0 12px;font-weight:700;}
.site-work-body p{font-size:.86rem;color:var(--text-1);margin-bottom:16px;}
.site-work-link{font-family:var(--ff-latin);font-size:.85rem;letter-spacing:.06em;color:var(--gold-light);}

/* ---------- flow ---------- */
.flow-list{
  position:relative;
  max-width:760px;
  display:flex;flex-direction:column;gap:0;
}
.flow-list::before{
  content:"";position:absolute;left:23px;top:14px;bottom:14px;width:1px;
  background:rgba(205,164,94,0.3);
}
.flow-step{display:flex;gap:28px;padding:24px 0;position:relative;}
.flow-num{
  flex-shrink:0;width:48px;height:48px;
  display:flex;align-items:center;justify-content:center;
  background:var(--bg-2);border:1px solid var(--panel-border);
  font-family:var(--ff-latin);font-weight:400;font-size:1rem;color:var(--gold);
  z-index:1;
}
.flow-body h3{font-family:var(--ff-head);font-size:1.05rem;margin-bottom:10px;font-weight:700;}
.flow-body p{color:var(--text-1);font-size:.9rem;max-width:520px;}

/* ---------- pricing ---------- */
.price-groups{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;align-items:stretch;background:var(--panel-border);}
.price-group{
  position:relative;
  padding:36px 32px;
  background:var(--bg-1);
  display:flex;flex-direction:column;gap:22px;
  transition:background .3s var(--ease);
}
.price-group:hover{background:var(--panel);}
.price-group.featured{
  background:linear-gradient(160deg,rgba(205,164,94,0.08),var(--bg-1) 60%);
}
.price-badge{
  position:absolute;top:-1px;right:32px;
  background:var(--grad-gold);color:#100c02;
  font-family:var(--ff-latin);font-size:.72rem;font-weight:400;
  padding:6px 16px;letter-spacing:.05em;
}
.price-group-title{font-family:var(--ff-head);font-size:1.1rem;font-weight:700;}
.price-table{display:flex;flex-direction:column;gap:0;flex:1;}
.price-table li{
  display:flex;justify-content:space-between;align-items:flex-start;gap:12px;
  padding:14px 0;
  border-bottom:1px solid rgba(245,242,234,0.08);
  font-size:.85rem;color:var(--text-1);
}
.price-table li:last-child{border-bottom:none;}
.price-table li span{flex:1;}
.price-table li small{color:var(--text-2);font-size:.75rem;line-height:1.6;}
.price-table li strong{
  flex-shrink:0;color:var(--text-0);font-family:var(--ff-head);font-weight:700;font-size:.92rem;white-space:nowrap;
}
.price-note{font-size:.75rem;color:var(--text-2);line-height:1.7;}

/* ---------- contact ---------- */
.contact-inner{
  display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:start;
}
.line-btn{margin-top:8px;}
.contact-info{display:flex;flex-direction:column;gap:20px;margin-top:34px;}
.contact-info-item{display:flex;flex-direction:column;gap:5px;}
.ci-label{font-family:var(--ff-latin);font-size:.72rem;letter-spacing:.12em;color:var(--gold);}
.ci-value{font-size:1rem;color:var(--text-0);}
.ci-value a{border-bottom:1px solid rgba(245,242,234,0.25);transition:color .25s var(--ease),border-color .25s var(--ease);}
.ci-value a:hover{color:var(--gold-light);border-color:var(--gold);}

.contact-form{
  border:1px solid var(--panel-border);
  padding:38px;
  display:flex;flex-direction:column;gap:24px;
}
.form-row{display:flex;flex-direction:column;gap:10px;}
.form-row label{font-size:.78rem;color:var(--text-1);letter-spacing:.03em;}
.form-row input,.form-row select,.form-row textarea{
  background:transparent;
  border:none;
  border-bottom:1px solid rgba(245,242,234,0.2);
  border-radius:0;
  padding:10px 2px;
  color:var(--text-0);
  outline:none;
  transition:border-color .25s var(--ease);
  resize:vertical;
}
.form-row input:focus,.form-row select:focus,.form-row textarea:focus{
  border-color:var(--gold);
}
.form-row select option{background:var(--bg-1);}
.form-submit{margin-top:8px;justify-content:center;width:100%;}
.form-note{font-size:.72rem;color:var(--text-2);line-height:1.7;}

/* ---------- footer ---------- */
.site-footer{
  position:relative;z-index:2;
  border-top:1px solid var(--panel-border);
  padding:44px 0;
}
.footer-inner{
  display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:20px;
}
.footer-nav{display:flex;gap:26px;flex-wrap:wrap;}
.footer-nav a{font-size:.8rem;color:var(--text-1);}
.footer-nav a:hover{color:var(--gold-light);}
.footer-copy{font-size:.72rem;color:var(--text-2);width:100%;text-align:center;margin-top:10px;letter-spacing:.02em;}

.fab-cta{
  position:fixed;bottom:22px;right:22px;z-index:90;
  background:var(--bg-1);color:var(--gold-light);
  border:1px solid var(--gold);
  font-family:var(--ff-latin);font-weight:400;font-size:.85rem;letter-spacing:.08em;
  padding:14px 24px;
  box-shadow:0 10px 26px -10px rgba(0,0,0,.7);
  display:none;
}

/* ---------- single-works / single / index (WordPress用テンプレート) ---------- */
.work-single{padding-top:170px;}
.work-single-inner{max-width:900px;}
.work-single-media{margin-bottom:40px;}
.work-single-embed{position:relative;width:100%;aspect-ratio:16/9;background:#050505;}
.work-single-embed iframe{position:absolute;inset:0;width:100%;height:100%;border:0;}
.work-single-image img{width:100%;height:auto;}
.work-single-content{
  color:var(--text-1);font-size:1rem;line-height:1.9;margin-bottom:48px;
}
.work-single-content p{margin-bottom:1.2em;}
.work-single-actions{display:flex;gap:16px;flex-wrap:wrap;}

.index-list{display:flex;flex-direction:column;gap:1px;background:var(--panel-border);max-width:820px;}
.index-item{background:var(--bg-1);padding:32px;}
.index-item h2{font-family:var(--ff-head);font-size:1.15rem;margin-bottom:10px;}
.index-item h2 a:hover{color:var(--gold-light);}
.index-meta{font-family:var(--ff-latin);font-size:.75rem;letter-spacing:.08em;color:var(--gold);margin-bottom:10px;}
.index-item p{color:var(--text-1);font-size:.9rem;}
.index-pagination{margin-top:40px;display:flex;gap:12px;}
.index-pagination .page-numbers{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:36px;height:36px;padding:0 10px;
  border:1px solid var(--panel-border);color:var(--text-1);font-size:.85rem;
}
.index-pagination .page-numbers.current{border-color:var(--gold);color:var(--gold-light);}

/* ===================================================================
   RESPONSIVE
   =================================================================== */
@media (max-width:1020px){
  .service-grid{grid-template-columns:1fr;}
  .concept-grid{grid-template-columns:1fr;}
  .pain-grid{grid-template-columns:1fr;}
  .strength-grid{grid-template-columns:repeat(2,1fr);}
  .works-grid{grid-template-columns:repeat(2,1fr);}
  .works-grid-video{grid-template-columns:repeat(3,1fr);}
  .price-groups{grid-template-columns:1fr;max-width:520px;}
  .contact-inner{grid-template-columns:1fr;gap:40px;}
}

@media (max-width:900px){
  .main-nav{display:none;}
  .nav-cta{display:none;}
  .hamburger{display:flex;}
  .fab-cta{display:inline-block;}
}

@media (max-width:640px){
  .container{padding-inline:18px;}
  .hero{padding:130px 0 70px;min-height:auto;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-stats{gap:22px;flex-wrap:wrap;}
  .strength-grid{grid-template-columns:1fr;}
  .works-grid{grid-template-columns:1fr;}
  .works-grid-video{grid-template-columns:repeat(2,1fr);}
  .section{padding:80px 0;}
  .br-pc{display:none;}
}

/* ---------- mobile nav dropdown ---------- */
@media (max-width:900px){
  .main-nav.open{
    display:flex;flex-direction:column;
    position:absolute;top:80px;left:0;right:0;
    background:rgba(10,10,10,0.97);
    backdrop-filter:blur(12px);
    padding:22px 24px 30px;
    gap:20px;
    border-bottom:1px solid var(--panel-border);
  }
}