/* ===== YMS — "Orbit" cinematic experience ===== */
:root{
  --bg:#03040a;
  --accent:#84b4ec;
  --accent-dim:rgba(132,180,236,.55);
  --text:#e8ebf2;
  --muted:#fff;
  --line:rgba(255,255,255,.09);
  --line-strong:rgba(255,255,255,.18);
  --serif:"Zen Old Mincho",serif;
  --sans:"Zen Kaku Gothic New",sans-serif;
  --mont:"Montserrat",sans-serif;
  --maxw:1200px;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:0;}
body{font-family:var(--serif);color:var(--text);background:var(--bg);line-height:1.95;font-weight:400;-webkit-font-smoothing:antialiased;font-size:16px;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul,ol{list-style:none;}
strong{font-weight:500;color:#fff;}
::selection{background:var(--accent);color:#03040a;}

/* film grain */
.grain{position:fixed;inset:0;z-index:9999;pointer-events:none;opacity:.05;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");}

/* ===== Cosmic stage ===== */
.stage{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden;background:#000;}
#stars{position:absolute;inset:0;width:100%;height:100%;display:block;}
.stage-earth{position:absolute;left:50%;bottom:-66vh;transform:translateX(-50%);width:130vh;height:130vh;
  background:url("../images/earth-night.webp") center/contain no-repeat;opacity:.55;filter:brightness(.9) saturate(.95);
  will-change:transform;}
.stage-glow{position:absolute;left:50%;bottom:-30vh;transform:translateX(-50%);width:120vh;height:80vh;pointer-events:none;
  background:radial-gradient(ellipse at 50% 100%,rgba(132,180,236,.22),transparent 62%);}
main,.site-header,.chapters,.site-footer,.float-cta,.mobile-menu{position:relative;z-index:2;}

/* ===== Header (non-fixed: sits over hero, scrolls away with the page) ===== */
.site-header{position:absolute;top:0;left:0;width:100%;z-index:100;}
.header-inner{width:92%;max-width:1360px;margin:0 auto;height:90px;display:flex;align-items:center;justify-content:space-between;}
.logo-img{height:56px;width:auto;opacity:.96;}
.gnav ul{display:flex;gap:32px;align-items:center;}
.gnav a{font-family:var(--mont);font-size:.76rem;letter-spacing:.16em;font-weight:400;color:rgba(255,255,255,.72);position:relative;transition:.3s;}
.gnav a:not(.nav-cta)::after{content:"";position:absolute;left:0;bottom:-7px;width:0;height:1px;background:var(--accent);transition:.35s;}
.gnav a:not(.nav-cta):hover{color:#fff;}
.gnav a:not(.nav-cta):hover::after,.gnav a.active::after{width:100%;}
.gnav a.active{color:#fff;}
.gnav .nav-cta{border:1px solid var(--line-strong);color:#fff;padding:10px 22px;}
.gnav .nav-cta:hover{border-color:var(--accent);color:var(--accent);}

/* ===== Chapter nav ===== */
.chapters{position:fixed;right:34px;top:50%;transform:translateY(-50%);z-index:95;transition:opacity .45s ease;}
.chapters.hidden{opacity:0;pointer-events:none;}
.chapters ul{display:flex;flex-direction:column;gap:20px;}
.chapters a{display:flex;align-items:center;justify-content:flex-end;gap:14px;color:var(--muted);transition:.35s;}
.chapters i{font-family:var(--mont);font-size:.66rem;letter-spacing:.1em;font-style:normal;opacity:.6;transition:.35s;width:20px;text-align:right;}
.chapters a::after{content:"";width:26px;height:1px;background:currentColor;opacity:.4;transition:.4s;}
.chapters a::before{content:attr(data-label);font-family:var(--mont);font-size:.62rem;letter-spacing:.16em;opacity:0;transform:translateX(8px);transition:.35s;}
.chapters a:hover,.chapters a.active{color:#fff;}
.chapters a:hover::before,.chapters a.active::before{opacity:1;transform:none;}
.chapters a.active::after{width:46px;background:var(--accent);opacity:1;}
.chapters a.active i{opacity:1;color:var(--accent);}

/* ===== Typography helpers ===== */
.overline{font-family:var(--mont);letter-spacing:.42em;font-size:.7rem;font-weight:500;color:var(--accent-dim);text-transform:uppercase;margin-bottom:30px;}
.overline.center{text-align:center;}
.big-title{font-family:var(--serif);font-weight:500;letter-spacing:.1em;line-height:1.5;color:#fff;font-size:clamp(2rem,4.4vw,3.4rem);}
.sec-head{margin-bottom:64px;}
.sec-head.center{text-align:center;}
.sec-desc{margin-top:30px;color:var(--muted);font-size:.98rem;}

/* split / kinetic */
.split .char{display:inline-block;opacity:0;transform:translateY(60%) rotate(4deg);transition:transform .9s cubic-bezier(.2,.8,.25,1),opacity .9s ease;}
.split.is-visible .char{opacity:1;transform:none;}
.reveal{opacity:0;transform:translateY(40px);transition:opacity 1.1s cubic-bezier(.2,.7,.3,1),transform 1.1s cubic-bezier(.2,.7,.3,1);}
.reveal.is-visible{opacity:1;transform:none;}

/* ===== Section base ===== */
.section{padding:130px 0;position:relative;}
.container{width:88%;max-width:var(--maxw);margin:0 auto;}

/* ===== 01 Hero ===== */
.hero{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;position:relative;}
.hero-content{padding:0 24px;}
.br-sp{display:none;}   /* responsive-only line break; enabled on SP via media query */
.hero-brand-main{font-family:var(--mont);font-weight:500;font-size:clamp(3.4rem,11vw,8rem);letter-spacing:.12em;color:#fff;line-height:1.2;text-indent:.12em;text-shadow:0 4px 60px rgba(0,0,0,.6);}
.hero-tagline{font-family:var(--mont);font-weight:400;font-size:clamp(1.1rem,2.6vw,1.7rem);letter-spacing:.42em;color:var(--accent);margin-top:30px;text-indent:.42em;opacity:0;animation:fadeUp 1s .5s forwards;}
.hero-line{display:block;width:1px;height:52px;background:linear-gradient(180deg,var(--accent),transparent);margin:36px auto;opacity:0;animation:fadeUp 1s .7s forwards;}
.hero-philosophy{font-family:var(--serif);font-weight:400;font-size:clamp(1.05rem,2.2vw,1.45rem);letter-spacing:.12em;line-height:1.9;color:rgba(231,234,241,.85);opacity:0;animation:fadeUp 1s .9s forwards;}
@keyframes fadeUp{from{opacity:0;transform:translateY(28px);}to{opacity:1;transform:none;}}
.hero-title{font-family:var(--serif);font-weight:500;font-size:clamp(2.6rem,7vw,5.4rem);line-height:1.55;letter-spacing:.16em;color:#fff;text-shadow:0 4px 60px rgba(0,0,0,.6);}
.hero-lead{margin-top:46px;color:rgba(232,235,242,.8);font-size:clamp(.95rem,1.6vw,1.1rem);letter-spacing:.12em;line-height:2.1;transition-delay:.6s;}
.scroll-down{position:absolute;bottom:40px;left:50%;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;gap:14px;}
.scroll-down span{font-family:var(--mont);font-size:.6rem;letter-spacing:.3em;color:var(--muted);}
.scroll-down i{width:1px;height:54px;background:rgba(255,255,255,.2);position:relative;overflow:hidden;}
.scroll-down i::after{content:"";position:absolute;top:0;left:0;width:100%;height:40%;background:var(--accent);animation:scroll 2.4s infinite;}
@keyframes scroll{0%{top:-40%}100%{top:100%}}

/* ===== Statement interlude ===== */
.statement{min-height:90vh;display:flex;align-items:center;text-align:center;padding:120px 0;}
.statement-text{font-family:var(--serif);font-weight:400;font-size:clamp(1.5rem,3.6vw,2.7rem);line-height:1.85;letter-spacing:.1em;color:#fff;}
.statement-sub{margin-top:44px;color:var(--muted);letter-spacing:.1em;transition-delay:.4s;}

/* ===== 02 About ===== */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center;}
.about-right p{color:var(--muted);margin-bottom:20px;font-size:1.02rem;line-height:2.1;}
.about-mission{margin-top:36px!important;font-family:var(--serif);color:var(--accent)!important;font-size:1.2rem;letter-spacing:.08em;}

/* ===== 03 Service ===== */
.svc-list{border-top:1px solid var(--line);}
.svc-row{display:grid;grid-template-columns:140px 1fr;gap:50px;padding:56px 0;border-bottom:1px solid var(--line);align-items:start;transition:.4s;}
.svc-row:hover{padding-left:24px;}
.svc-no{font-family:var(--mont);font-size:2.6rem;font-weight:200;color:var(--accent-dim);line-height:1;}
.svc-main h3{font-family:var(--serif);font-size:clamp(1.4rem,2.6vw,1.9rem);font-weight:500;letter-spacing:.06em;color:#fff;margin-bottom:14px;}
.svc-catch{color:var(--accent);font-size:1rem;letter-spacing:.05em;margin-bottom:18px;}
.svc-text{color:var(--muted);font-size:.95rem;max-width:680px;line-height:2.05;}

.flow{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:18px;margin-top:120px;}
.flow-step{font-family:var(--serif);font-size:1.05rem;letter-spacing:.06em;color:var(--text);padding:18px 26px;border:1px solid var(--line);}
.flow-main{border-color:var(--accent-dim);color:#fff;display:flex;flex-direction:column;align-items:center;gap:4px;}
.flow-main em{font-family:var(--mont);font-style:normal;font-size:.68rem;letter-spacing:.16em;color:var(--accent);}
.flow-sep{color:var(--accent);font-family:var(--mont);font-size:1.15rem;line-height:1;display:inline-flex;align-items:center;justify-content:center;}
.flow-sep::before{content:"\2192";}
.flow-note{text-align:center;color:var(--muted);font-size:.9rem;max-width:760px;margin:40px auto 0;}

/* ===== 04 Results ===== */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line);}
.stat{padding:56px 18px;text-align:center;border-bottom:1px solid var(--line);}
.stat:not(:last-child){border-right:1px solid var(--line);}
.stat-num{font-family:var(--mont);font-size:clamp(2.6rem,5vw,3.6rem);font-weight:200;color:#fff;line-height:1;display:flex;align-items:baseline;justify-content:center;gap:8px;}
.stat-num.small{font-family:var(--serif);font-size:clamp(1.7rem,3vw,2.2rem);font-weight:500;}
.stat-num i{font-family:var(--sans);font-style:normal;font-size:.8rem;font-weight:300;color:var(--muted);letter-spacing:.05em;}
.stat-label{font-family:var(--mont);font-size:.66rem;letter-spacing:.18em;color:var(--muted);text-transform:uppercase;margin-top:24px;}

/* ===== 05 Works (horizontal) ===== */
.works{padding:170px 0;}
.works-head{margin-bottom:64px;}
.drag-hint{font-family:var(--mont);font-size:.68rem;letter-spacing:.24em;color:var(--accent-dim);margin-top:30px;}
.works-track{display:flex;gap:0;overflow-x:auto;scroll-snap-type:x proximity;padding:0 max(6vw,24px) 30px;cursor:grab;-ms-overflow-style:none;scrollbar-width:thin;scrollbar-color:var(--accent-dim) transparent;}
.works-track.dragging{cursor:grabbing;scroll-behavior:auto;}

/* pinned (scroll-driven) horizontal scroll on homepage */
.works-pin{position:relative;}
.works-sticky{position:sticky;top:0;height:100vh;display:flex;align-items:center;overflow:hidden;}
.works-pin .works-track{overflow:visible;cursor:default;scroll-snap-type:none;padding:0 0 0 max(6vw,24px);transition:none;will-change:transform;}
@media(max-width:760px){
  .works-pin{height:auto!important;}
  .works-sticky{position:static;height:auto;display:block;overflow:visible;}
  .works-pin .works-track{overflow-x:auto;transform:none!important;padding-bottom:30px;}
}
.works-track::-webkit-scrollbar{height:3px;}
.works-track::-webkit-scrollbar-thumb{background:var(--accent-dim);}
.work{flex:0 0 380px;scroll-snap-align:start;padding:48px 44px;border:1px solid var(--line);border-right:none;transition:.4s;background:rgba(8,12,22,.4);backdrop-filter:blur(4px);}
.work:last-child{border-right:1px solid var(--line);}
.work:hover{background:rgba(132,180,236,.05);}
.work-no{font-family:var(--mont);font-size:2.2rem;font-weight:200;color:var(--accent-dim);margin-bottom:18px;}
.work-cat{font-family:var(--mont);font-size:.64rem;letter-spacing:.2em;color:var(--muted);margin-bottom:14px;}
.work h3{font-family:var(--serif);font-size:1.3rem;font-weight:500;color:#fff;letter-spacing:.04em;margin-bottom:12px;}
.work-sub{color:var(--muted);font-size:.86rem;line-height:1.85;margin-bottom:32px;min-height:62px;text-wrap:balance;}
.work dl{display:flex;flex-direction:column;gap:14px;}
.work dl div{border-top:1px solid var(--line);padding-top:13px;}
.work dt{font-family:var(--sans);font-size:.78rem;letter-spacing:.08em;color:var(--accent);margin-bottom:5px;}
.work dd{font-size:.9rem;color:var(--text);}
.work dd b{font-family:var(--mont);color:var(--accent);font-weight:400;}

/* ===== 06 Message ===== */
.message-grid{display:grid;grid-template-columns:0.8fr 1.2fr;gap:78px;align-items:center;}
.ceo-photo{width:100%;aspect-ratio:361/396;object-fit:cover;object-position:center top;filter:grayscale(.2) contrast(1.03);}
.ceo-name{font-family:var(--serif);font-size:1.3rem;color:#fff;margin-top:24px;letter-spacing:.1em;}
.ceo-name span{display:block;font-family:var(--mont);font-size:.7rem;letter-spacing:.18em;color:var(--muted);margin-top:8px;}
.message-body .big-title{margin-bottom:36px;}
.message-body p{color:var(--muted);margin-bottom:18px;font-size:.98rem;line-height:2.1;}

.history{margin-top:150px;max-width:760px;}
.timeline{position:relative;}
.timeline::before{content:"";position:absolute;left:96px;top:10px;bottom:10px;width:1px;background:var(--line-strong);}
.timeline li{display:grid;grid-template-columns:96px 1fr;gap:44px;padding-bottom:44px;position:relative;}
.timeline li:last-child{padding-bottom:0;}
.ty{font-family:var(--mont);font-size:1.2rem;color:var(--accent);text-align:right;}
.timeline li>div{position:relative;padding-left:38px;}
.timeline li>div::before{content:"";position:absolute;left:-5px;top:10px;width:9px;height:9px;border:1px solid var(--accent);border-radius:50%;background:var(--bg);box-shadow:0 0 0 5px rgba(132,180,236,.1);}
.timeline h4{font-family:var(--serif);font-size:1.08rem;font-weight:500;color:#fff;margin-bottom:4px;}
.timeline p{color:var(--muted);font-size:.88rem;}

/* ===== 07 Company ===== */
.company-table{width:100%;border-collapse:collapse;border-top:1px solid var(--line);}
.company-table th,.company-table td{padding:26px 30px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line);font-size:.95rem;}
.company-table th{width:200px;font-family:var(--sans);font-weight:400;letter-spacing:.06em;color:var(--accent);font-size:.9rem;}
.company-table td{color:var(--text);}

/* ===== 08 Contact ===== */
.contact{min-height:100vh;display:flex;align-items:center;text-align:center;padding:150px 0;}
.contact .container{width:90%;}
.contact-title{font-family:var(--serif);font-weight:500;font-size:clamp(2.2rem,6vw,4.4rem);line-height:1.55;letter-spacing:.14em;color:#fff;margin-bottom:80px;}
.contact-links{display:flex;justify-content:center;gap:0;flex-wrap:wrap;border-top:1px solid var(--line);max-width:900px;margin:0 auto;}
.contact-link{flex:1 1 320px;padding:48px 30px;border-bottom:1px solid var(--line);transition:.4s;display:flex;flex-direction:column;gap:12px;}
.contact-link:first-child{border-right:1px solid var(--line);}
.contact-link:hover{background:rgba(132,180,236,.05);}
.cl-label{font-family:var(--mont);font-size:.7rem;letter-spacing:.26em;color:var(--accent-dim);}
.cl-value{font-size:1.05rem;color:#fff;letter-spacing:.04em;word-break:break-all;}
.cl-note{font-size:.78rem;color:var(--muted);}

/* ===== Contact form ===== */
.contact-form{max-width:680px;margin:0 auto 70px;text-align:left;display:flex;flex-direction:column;gap:26px;}
.contact-form .field{display:flex;flex-direction:column;gap:10px;}
.contact-form .field-row{display:flex;gap:26px;}
.contact-form .field-row .field{flex:1 1 0;}
.contact-form label{font-family:var(--mont);font-size:.72rem;letter-spacing:.16em;color:rgba(255,255,255,.8);display:flex;align-items:center;gap:10px;}
.contact-form .req{font-family:var(--sans);font-size:.62rem;letter-spacing:.08em;color:var(--accent);border:1px solid var(--accent-dim);border-radius:2px;padding:1px 7px;}
.contact-form input,.contact-form textarea{width:100%;background:rgba(255,255,255,.04);border:1px solid var(--line-strong);border-radius:4px;
  padding:15px 18px;color:#fff;font-family:var(--sans);font-size:1rem;font-weight:300;letter-spacing:.04em;line-height:1.7;transition:border-color .3s,background .3s;}
.contact-form textarea{resize:vertical;min-height:150px;}
.contact-form input::placeholder,.contact-form textarea::placeholder{color:rgba(255,255,255,.3);}
.contact-form input:focus,.contact-form textarea:focus{outline:none;border-color:var(--accent);background:rgba(132,180,236,.07);}
.form-submit{text-align:center;margin-top:14px;}
.form-btn{font-family:var(--mont);font-size:.82rem;letter-spacing:.22em;color:#fff;background:transparent;border:1px solid var(--accent);
  border-radius:4px;padding:18px 64px;cursor:pointer;transition:.35s;}
.form-btn:hover{background:var(--accent);color:#03040a;letter-spacing:.28em;}
.form-status{min-height:1.4em;text-align:center;font-size:.9rem;letter-spacing:.04em;line-height:1.7;margin-top:6px;transition:.3s;}
.form-status.is-success{color:var(--accent);}
.form-status.is-error{color:#ff9a9a;}
.form-btn:disabled{opacity:.5;cursor:default;letter-spacing:.22em;background:transparent;color:#fff;}
.contact-or{text-align:center;color:var(--muted);font-size:.85rem;letter-spacing:.1em;margin-bottom:34px;margin-top:60px;}
@media(max-width:680px){
  .contact-form .field-row{flex-direction:column;gap:26px;}
}

/* ===== "詳しく見る" link (homepage → detail pages) ===== */
.more-link{display:inline-flex;align-items:center;gap:12px;margin-top:50px;font-family:var(--mont);font-size:.76rem;letter-spacing:.18em;color:var(--accent);transition:.35s;}
.more-link::after{content:"";width:34px;height:1px;background:var(--accent);transition:.35s;}
.more-link:hover{color:#fff;}
.more-link:hover::after{width:54px;background:#fff;}
.more-wrap{margin-top:8px;}
.more-wrap.center{text-align:center;}

/* ===== Breadcrumb ===== */
.breadcrumb{font-family:var(--mont);font-size:.68rem;letter-spacing:.14em;color:var(--muted);margin-bottom:30px;}
.breadcrumb a{color:var(--accent-dim);transition:.3s;}
.breadcrumb a:hover{color:var(--accent);}
.breadcrumb span{margin:0 10px;opacity:.5;}

/* ===== Sub-pages (固定ページ) ===== */
.page-hero{text-align:center;padding:210px 0 20px;}
.page-hero .overline{margin-bottom:24px;}
.page-hero .page-lead{margin-top:32px;color:var(--muted);max-width:700px;margin-left:auto;margin-right:auto;font-size:1rem;}
.page-section{padding:100px 0 130px;}
.page-section.first{padding-top:80px;}
.works-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--line);}
.works-grid .work{flex:none;border-right:1px solid var(--line);backdrop-filter:none;background:rgba(8,12,22,.35);}
.works-grid .work:nth-child(3n){border-right:none;}
.back-home{display:inline-block;margin-top:60px;font-family:var(--mont);font-size:.74rem;letter-spacing:.18em;color:var(--accent);border-bottom:1px solid transparent;transition:.3s;}
.back-home:hover{border-color:var(--accent);letter-spacing:.24em;}
.page-foot{text-align:center;}

/* ===== Footer ===== */
.site-footer{padding:80px 0 36px;text-align:center;border-top:1px solid var(--line);background:rgba(2,3,8,.6);backdrop-filter:blur(8px);}
.footer-inner{display:flex;flex-direction:column;align-items:center;gap:18px;}
.footer-nav{display:flex;flex-wrap:wrap;justify-content:center;gap:10px 26px;}
.footer-nav a{font-family:var(--mont);font-size:.72rem;letter-spacing:.16em;color:var(--muted);transition:.3s;}
.footer-nav a:hover{color:var(--accent);}
.site-footer .logo-img{height:38px;opacity:.85;}
.footer-address{font-size:.84rem;color:var(--muted);letter-spacing:.04em;}
.copyright{font-family:var(--mont);font-size:.68rem;letter-spacing:.14em;color:rgba(255,255,255,.34);margin-top:10px;}

/* ===== Float CTA ===== */
.float-cta{position:fixed;right:26px;bottom:26px;z-index:90;display:flex;flex-direction:column;gap:12px;align-items:flex-end;}
.float-contact{font-family:var(--mont);letter-spacing:.18em;font-size:.74rem;font-weight:500;background:rgba(3,4,10,.7);backdrop-filter:blur(8px);border:1px solid var(--accent-dim);color:#fff;padding:15px 24px;transition:.4s;opacity:0;transform:translateY(20px);pointer-events:none;}
.float-contact.show{opacity:1;transform:none;pointer-events:auto;}
.float-contact:hover{background:var(--accent);color:#03040a;}
.to-top{width:46px;height:46px;border:1px solid var(--line-strong);background:rgba(3,4,10,.7);backdrop-filter:blur(8px);color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:.4s;opacity:0;transform:translateY(20px);pointer-events:none;}
.to-top.show{opacity:1;transform:none;pointer-events:auto;}
.to-top:hover{border-color:var(--accent);color:var(--accent);}

/* ===== Mobile menu ===== */
.nav-toggle{display:none;background:none;border:none;width:30px;height:20px;position:relative;cursor:pointer;z-index:101;}
.nav-toggle span{position:absolute;left:0;width:100%;height:1px;background:#fff;transition:.3s;}
.nav-toggle span:nth-child(1){top:0;}.nav-toggle span:nth-child(2){top:9px;}.nav-toggle span:nth-child(3){top:18px;}
.nav-toggle.open span:nth-child(1){top:9px;transform:rotate(45deg);}
.nav-toggle.open span:nth-child(2){opacity:0;}
.nav-toggle.open span:nth-child(3){top:9px;transform:rotate(-45deg);}
.mobile-menu{position:fixed;inset:0;z-index:99;background:rgba(3,4,10,.96);backdrop-filter:blur(14px);display:flex;align-items:center;justify-content:center;opacity:0;pointer-events:none;transition:.4s;}
.mobile-menu.open{opacity:1;pointer-events:auto;}
.mobile-menu a{font-family:var(--serif);font-size:1.4rem;letter-spacing:.1em;color:#fff;display:block;padding:14px 0;text-align:center;}
.mobile-menu a:hover{color:var(--accent);}

/* ===== Responsive ===== */
@media(max-width:1100px){.chapters{display:none;}}
@media(max-width:880px){
  .gnav{display:none;}          /* full header nav → hamburger */
  .nav-toggle{display:block;}
  .header-inner{height:74px;}
  .logo-img{height:48px;}
  .mobile-menu{top:0;}
}
@media(max-width:920px){
  .about-grid,.message-grid{grid-template-columns:1fr;gap:48px;}
  .message-photo{max-width:320px;}
  .stats{grid-template-columns:repeat(2,1fr);}
  .stat:nth-child(2n){border-right:none;}
  .works-grid{grid-template-columns:repeat(2,1fr);}
  .works-grid .work:nth-child(3n){border-right:1px solid var(--line);}
  .works-grid .work:nth-child(2n){border-right:none;}
}
@media(max-width:680px){
  .section{padding:100px 0;}
  .hero-brand-main{font-size:clamp(2.4rem,13vw,3.6rem);letter-spacing:.05em;text-indent:.05em;}
  .br-sp{display:inline;}   /* show the "YMS CO.," line break only on SP */
  .hero-tagline{letter-spacing:.28em;text-indent:.28em;font-size:clamp(1rem,3.4vw,1.3rem);}
  /* SP: tighten titles and break only at punctuation (not mid-phrase) to avoid awkward wraps */
  .big-title,.contact-title,.statement-text{letter-spacing:.03em;word-break:keep-all;overflow-wrap:anywhere;line-break:strict;}
  .big-title{font-size:clamp(1.6rem,6.2vw,2.1rem);line-height:1.6;}
  .statement-text{font-size:clamp(1.3rem,5.4vw,1.8rem);line-height:1.75;}
  .contact-title{font-size:clamp(1.8rem,7.4vw,2.4rem);line-height:1.5;margin-bottom:56px;}
  .page-hero{padding-top:150px;}
  .sec-head{margin-bottom:56px;}
  .svc-row{grid-template-columns:1fr;gap:14px;padding:40px 0;}
  .svc-row:hover{padding-left:0;}
  .svc-no{font-size:1.8rem;}
  .flow{flex-direction:column;}
  .flow-sep{transform:none;}
  .flow-sep::before{content:"\2193";}
  .work{flex-basis:80vw;padding:38px 30px;}
  .works-grid{grid-template-columns:1fr;}
  .works-grid .work{flex-basis:auto;border-right:none!important;}
  .contact-link:first-child{border-right:none;}
  .company-table th{width:108px;padding:18px;font-size:.66rem;}
  .company-table td{padding:18px;}
  .timeline::before{left:64px;}
  .timeline li{grid-template-columns:64px 1fr;gap:24px;}
  .ty{font-size:1rem;}
  .float-cta{right:16px;bottom:16px;}
  .stage-earth{bottom:-40vh;width:170vh;height:170vh;}
}
@media(prefers-reduced-motion:reduce){
  .split .char,.reveal,.reveal-stagger>*,.hero-tagline,.hero-line,.hero-philosophy{opacity:1!important;transform:none!important;animation:none!important;}
  #stars{display:none;}
}

/* ===================================================================
   ██  v2 DESIGN SYSTEM  ██
   Shared rules. EVERY new section must use these tokens/components so
   independently-built parts stay visually consistent when stitched.
=================================================================== */
:root{
  /* —— color (black × blue, cinematic) —— */
  --v-bg:#04060d;            /* page base */
  --v-surface:#0a1020;       /* cards / elevated panels */
  --v-surface-2:#0e1626;
  --v-line:rgba(255,255,255,.10);
  --v-line-strong:rgba(255,255,255,.20);
  --v-ink:#ffffff;           /* headings */
  --v-text:rgba(232,237,246,.84); /* body */
  --v-muted:rgba(170,180,200,.78);/* captions / labels */
  --v-accent:#84b4ec;
  --v-accent-2:#aaccff;
  --v-accent-soft:rgba(132,180,236,.14);

  /* —— fluid type scale —— */
  --fs-display:clamp(2.7rem,6.2vw,5rem);
  --fs-h1:clamp(2.2rem,4.6vw,3.6rem);
  --fs-h2:clamp(1.7rem,3.4vw,2.7rem);
  --fs-h3:clamp(1.15rem,1.9vw,1.45rem);
  --fs-body:clamp(.96rem,1.1vw,1.06rem);
  --fs-small:.78rem;

  /* —— spacing / shape —— */
  --sp-section:clamp(96px,12vw,168px);
  --gap:clamp(24px,4vw,72px);
  --radius:14px;
  --radius-lg:22px;
  --shadow:0 28px 80px rgba(0,0,0,.46);
  --ease:cubic-bezier(.2,.7,.3,1);
}

/* shared section shell (new sections use .sectionv) */
.sectionv{padding:var(--sp-section) 0;position:relative;}
.wrap{width:92%;max-width:1360px;margin:0 auto;}
.eyebrow{font-family:var(--mont);font-size:.74rem;letter-spacing:.28em;text-transform:uppercase;color:var(--v-accent);display:inline-flex;align-items:center;gap:14px;}
.eyebrow::before{content:"";width:34px;height:1px;background:var(--v-accent);opacity:.7;}
.eyebrow.center{justify-content:center;}
.eyebrow.center::after{content:"";width:34px;height:1px;background:var(--v-accent);opacity:.7;}

/* shared buttons */
.btn{position:relative;isolation:isolate;display:inline-flex;align-items:center;justify-content:center;gap:12px;
  font-family:var(--mont);font-weight:500;font-size:.8rem;letter-spacing:.16em;padding:17px 38px;border-radius:10px;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;overflow:hidden;
  transition:transform .35s var(--ease),box-shadow .35s var(--ease),background .35s var(--ease),color .35s var(--ease),border-color .35s var(--ease);}
.btn:active{transform:translateY(0) scale(.985);}
.btn:focus-visible{outline:2px solid var(--v-accent);outline-offset:3px;}
.btn-primary{background:var(--v-accent);color:#05080f;box-shadow:0 6px 18px rgba(132,180,236,.18);}
.btn-primary:hover{background:var(--v-accent-2);transform:translateY(-2px);box-shadow:0 16px 38px rgba(132,180,236,.36);}
.btn-primary::before{content:"";position:absolute;top:0;left:-130%;width:55%;height:100%;z-index:-1;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.45),transparent);transform:skewX(-18deg);transition:left .65s var(--ease);}
.btn-primary:hover::before{left:140%;}
.btn-ghost{border-color:var(--v-line-strong);color:#fff;background:rgba(255,255,255,.015);}
.btn-ghost:hover{border-color:var(--v-accent);color:var(--v-accent);background:rgba(132,180,236,.06);transform:translateY(-2px);}
.btn-arrow::after{content:"→";font-family:var(--mont);transition:transform .35s var(--ease);}
.btn-arrow:hover::after{transform:translateX(5px);}

/* reveal: per-child stagger helper */
.reveal-stagger>*{opacity:0;transform:translateY(34px);transition:opacity 1s var(--ease),transform 1s var(--ease);}
.reveal-stagger.is-visible>*{opacity:1;transform:none;}
.reveal-stagger.is-visible>*:nth-child(2){transition-delay:.10s;}
.reveal-stagger.is-visible>*:nth-child(3){transition-delay:.20s;}
.reveal-stagger.is-visible>*:nth-child(4){transition-delay:.30s;}
.reveal-stagger.is-visible>*:nth-child(5){transition-delay:.40s;}

/* ===================================================================
   ASYMMETRIC SPLIT (reusable: About, Message, …)
   .split-grid  = copy left / visual right
   .split-grid.reverse = visual left / copy right (zig-zag rhythm)
=================================================================== */
.split-grid{display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:var(--gap);}
.split-grid.reverse{grid-template-columns:.95fr 1.05fr;}
.split-grid.reverse .split-copy{order:2;}

.split-copy .h2v{font-family:var(--serif);font-weight:500;font-size:var(--fs-h2);line-height:1.5;
  letter-spacing:.08em;color:#fff;margin:24px 0 30px;}
.leadv{font-size:var(--fs-body);line-height:2.15;color:var(--v-text);margin-bottom:16px;}
.leadv strong{color:#fff;font-weight:500;}
.mission{margin-top:20px;font-family:var(--serif);letter-spacing:.05em;color:var(--v-accent);}

/* visual + decorative offset for the asymmetric feel */
.split-visual{position:relative;}
.split-visual .frame{position:relative;z-index:1;border-radius:var(--radius-lg);overflow:hidden;
  aspect-ratio:4/3;border:1px solid var(--v-line);box-shadow:var(--shadow);}
.split-visual .frame img{width:100%;height:100%;object-fit:cover;display:block;filter:saturate(.92) brightness(.92);
  transition:transform 1.2s var(--ease),filter .6s var(--ease);}
.split-visual .frame:hover img{transform:scale(1.05);filter:saturate(1) brightness(1);}
@media(prefers-reduced-motion:reduce){
  .split-visual .frame:hover img{transform:none;}
  .btn-primary::before{display:none;}
}
.split-visual .frame.is-empty{background:
  radial-gradient(120% 90% at 72% 12%,var(--v-accent-soft),transparent 60%),
  linear-gradient(160deg,#0c1424,#05080f);}
.split-visual .frame.is-empty img{opacity:0;}
.split-visual .frame.is-empty::before{content:"IMAGE";position:absolute;inset:0;display:flex;
  align-items:center;justify-content:center;font-family:var(--mont);letter-spacing:.34em;
  font-size:.7rem;color:rgba(255,255,255,.22);}
/* code-drawn abstract visual (stand-in for a photo) */
.frame.art{background:
  radial-gradient(130% 100% at 75% 12%,var(--v-accent-soft),transparent 60%),
  linear-gradient(160deg,#0c1424,#05080f);}
.frame.art .art-svg{position:absolute;inset:0;width:100%;height:100%;}
/* partner-club badge over a photo (e.g. Osaka City SC on the sports image) */
.club-badge{position:absolute;left:14px;bottom:14px;z-index:2;display:flex;align-items:center;gap:9px;
  background:rgba(255,255,255,.94);border-radius:10px;padding:7px 12px;box-shadow:0 8px 20px rgba(0,0,0,.45);}
.club-badge .cb-label{font-family:var(--mont);font-size:.56rem;letter-spacing:.12em;color:#05080f;
  border-right:1px solid rgba(0,0,0,.18);padding-right:9px;white-space:nowrap;}
.club-badge img{height:24px;width:auto;display:block;}
/* Sports: official black logo on a white plate sized to the logo (white is just padding,
   the logo mark is the focus — not a big 4:3 box). */
.club-frame{display:flex;flex-direction:column;align-items:center;gap:18px;text-align:center;}
.club-plate{background:#fff;border-radius:14px;padding:26px 34px;box-shadow:0 12px 32px rgba(0,0,0,.4);}
.club-plate .club-logo{display:block;width:380px;max-width:72vw;height:auto;
  filter:brightness(1.18) contrast(1.08);}
.club-cap{font-family:var(--mont);font-size:.64rem;letter-spacing:.2em;color:var(--v-muted);}
.split-visual:has(.club-frame)::after{display:none;}
/* offset outline behind the frame (bottom-right) */
.split-visual::after{content:"";position:absolute;right:-22px;bottom:-22px;width:62%;height:64%;
  border:1px solid var(--v-line-strong);border-radius:var(--radius-lg);z-index:0;pointer-events:none;}
.split-grid.reverse .split-visual::after{right:auto;left:-22px;}

@media(max-width:900px){
  .split-grid,.split-grid.reverse{grid-template-columns:1fr;gap:40px;}
  .split-grid.reverse .split-copy{order:0;}
  .split-visual{max-width:560px;}
  .split-visual::after{display:none;}
}

/* portrait frame + caption (used with real photos) */
.split-grid.split-top{align-items:start;}
.frame.portrait{aspect-ratio:3/4;}
.figure-cap{margin-top:18px;font-family:var(--serif);font-size:1.05rem;color:#fff;letter-spacing:.06em;}
.figure-cap span{display:block;font-family:var(--mont);font-size:.7rem;letter-spacing:.14em;color:var(--v-muted);margin-top:8px;}
#company .split-visual{max-width:440px;}
#company .split-visual::after{display:none;}   /* keep photo + caption clean */
#company .company-table{margin-top:18px;}
#company .company-table th,#company .company-table td{padding:15px 14px;font-size:.9rem;}
#company .company-table th{width:120px;}
.map-frame{background:#0a1020;position:relative;}
/* dark-mode the bright Google map so it blends with the theme */
.map-frame iframe{width:100%;height:100%;border:0;display:block;
  filter:invert(91%) hue-rotate(180deg) brightness(.92) contrast(.9) saturate(.8);}
/* custom marker at map centre (= the address); unaffected by the filter */
.map-pin{position:absolute;left:50%;top:50%;width:16px;height:16px;
  transform:translate(-50%,-50%);pointer-events:none;z-index:2;}
.map-pin::before{content:"";position:absolute;inset:0;border-radius:50%;
  background:var(--v-accent);box-shadow:0 2px 8px rgba(0,0,0,.6);}
.map-pin::after{content:"";position:absolute;left:50%;top:50%;width:16px;height:16px;
  transform:translate(-50%,-50%);border-radius:50%;border:2px solid var(--v-accent);
  animation:mapPulse 2.2s ease-out infinite;}
@keyframes mapPulse{0%{width:16px;height:16px;opacity:.7;}100%{width:54px;height:54px;opacity:0;}}

/* shared centered section header */
.sec-head-v{text-align:center;max-width:720px;margin:0 auto clamp(56px,7vw,96px);}
.h2v.center{text-align:center;}
.leadv.center{text-align:center;margin-left:auto;margin-right:auto;max-width:34em;}

/* Service rows */
.svc-rows{display:flex;flex-direction:column;gap:clamp(64px,8vw,120px);}
.svc-num{font-family:var(--mont);font-weight:300;font-size:2.4rem;line-height:1;color:var(--v-accent);
  opacity:.5;display:block;margin-bottom:16px;}
.h3v{font-family:var(--serif);font-weight:500;font-size:clamp(1.35rem,2.3vw,1.85rem);
  color:#fff;letter-spacing:.06em;line-height:1.5;margin-bottom:12px;}
.svc-catch-v{color:var(--v-accent-2);font-size:1.04rem;letter-spacing:.04em;margin-bottom:20px;}
.flow-v{margin-top:clamp(70px,9vw,120px)!important;}

@media(max-width:900px){
  .svc-item .split-visual{margin-top:4px;}
}

/* ===================================================================
   PREMIUM DECORATIONS (v3)
=================================================================== */

/* 1. Architectural Grid */
.arch-grid {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  background-image: 
    linear-gradient(rgba(255, 255, 255, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.1) 1px, transparent 1px);
  background-size: 100px 100px;
  background-position: center center;
  mask-image: radial-gradient(circle at center, black 50%, transparent 90%);
  -webkit-mask-image: radial-gradient(circle at center, black 50%, transparent 90%);
}

/* 2. Ambient Orbs */
.orb-container {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  overflow: hidden;
}
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.4;
  animation: orbFloat 20s infinite alternate ease-in-out;
}
.orb.cyan {
  width: 60vw;
  height: 60vw;
  background: #84b4ec;
  top: -20%;
  left: -20%;
}
.orb.blue {
  width: 50vw;
  height: 50vw;
  background: #1e3a8a;
  bottom: -10%;
  right: -10%;
  animation-delay: -10s;
}
@keyframes orbFloat {
  0% { transform: translate(0, 0) scale(1); opacity: 0.1; }
  100% { transform: translate(10%, 15%) scale(1.2); opacity: 0.2; }
}

/* 3. Typography Watermark */
.bg-text-watermark {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--mont);
  font-size: clamp(8rem, 20vw, 25rem);
  font-weight: 700;
  color: transparent;
  -webkit-text-stroke: 2px rgba(255, 255, 255, 0.15);
  white-space: nowrap;
  pointer-events: none;
  z-index: 0;
  user-select: none;
}
/* hide the big English watermark on mobile */
@media(max-width:768px){
  .bg-text-watermark{display:none !important;}
}

/* (Custom cursor removed — using the default system cursor) */

/* ===== SP mobile menu: force perfect centering (overrides any earlier rule) ===== */
.mobile-menu{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;}
.mobile-menu ul{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;width:auto;margin:0;padding:0;}
.mobile-menu li{width:auto;text-align:center;}
.mobile-menu a{text-align:center;}

/* ===== Prevent horizontal overflow — use clip (not hidden) so position:sticky still works ===== */
html,body{overflow-x:clip;max-width:100%;}
.bg-text-watermark{max-width:100vw;}
.statement,.sectionv,.section,.works-hero{overflow-x:clip;}