/* レンタルスタジオAKIHA — 夜のスタジオ×照明 */
:root{
  --ink:#0A0A0C; --ink2:#121215; --ink3:#1B1B20; --steel:#8D8C93; --steel2:#CFCBD2; --pale:#E7E2DA; --paper:#F2EDE4; --cyan:#3DE8FF; --warm:#FFD9A0;
  --red:#3B7BFF; --red2:#8FB3FF; --text:#1E1C1F; --note:#6E6A70; --line:rgba(255,255,255,.12);
  --g:"Zen Kaku Gothic New","Hiragino Sans",sans-serif; --en:"Anton","Inter",sans-serif; --en2:"Inter",sans-serif; --mono:"JetBrains Mono",monospace;
  --ease:cubic-bezier(.7,0,.2,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html.lenis,html.lenis body{height:auto}
.lenis.lenis-smooth{scroll-behavior:auto!important}
body{font-family:var(--g);color:var(--text);background:var(--paper);line-height:1.85;font-size:16px;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
::selection{background:var(--red);color:#fff}
.w{max-width:1200px;margin:0 auto;padding:0 40px;position:relative;z-index:1}
.dark{background:var(--ink);color:#fff}
.dark .h2{color:#fff}
.dark .lead{color:var(--steel2)}

/* 粒子ノイズ */
.grain{position:fixed;inset:-50%;z-index:90;pointer-events:none;opacity:.07;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 .9 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");animation:grain 1s steps(4) infinite}
@keyframes grain{0%{transform:translate(0,0)}25%{transform:translate(-3%,2%)}50%{transform:translate(2%,-3%)}75%{transform:translate(-2%,-1%)}100%{transform:translate(1%,3%)}}

/* 方眼 */
.grid-bg{position:relative}
.grid-bg::before{content:"";position:absolute;inset:0;z-index:0;pointer-events:none;
  background-image:linear-gradient(rgba(12,13,15,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(12,13,15,.06) 1px,transparent 1px);background-size:80px 80px;
  -webkit-mask-image:radial-gradient(ellipse at 50% 40%,#000 30%,transparent 80%);mask-image:radial-gradient(ellipse at 50% 40%,#000 30%,transparent 80%)}
.dark.grid-bg::before{background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px)}

/* ローダー */
.ld{position:fixed;inset:0;z-index:200;display:flex;pointer-events:none}
.ld i{flex:1;background:var(--ink);transform-origin:top}
.ld-c{position:fixed;inset:0;z-index:201;display:flex;flex-direction:column;align-items:center;justify-content:center;color:#fff;pointer-events:none}
.ld-c b{font-family:var(--mono);font-size:13px;letter-spacing:.3em;color:var(--steel)}
.ld-n{font-family:var(--en);font-weight:400;font-size:130px;line-height:1;letter-spacing:-.04em;margin:10px 0}
.ld-bar{width:220px;height:1px;background:var(--line);position:relative}
.ld-bar span{position:absolute;inset:0;background:var(--red);transform-origin:left;transform:scaleX(0)}
/* 遷移 */
.tr{position:fixed;inset:0;z-index:199;pointer-events:none;display:flex}
.tr i{flex:1;background:var(--ink);transform:scaleY(0);transform-origin:bottom}
.tr i:nth-child(2){background:var(--red)}

/* カーソル */
.cur,.cur-r{position:fixed;left:0;top:0;z-index:150;pointer-events:none;border-radius:50%;mix-blend-mode:difference}
.cur{width:8px;height:8px;margin:-4px 0 0 -4px;background:#fff}
.cur-r{width:44px;height:44px;margin:-22px 0 0 -22px;border:1px solid rgba(255,255,255,.6);transition:width .35s,height .35s,margin .35s,background .35s;display:grid;place-items:center;font-family:var(--mono);font-size:10px;letter-spacing:.14em;color:#000}
.cur-r.hov{width:70px;height:70px;margin:-35px 0 0 -35px}
.cur-r.view{width:100px;height:100px;margin:-50px 0 0 -50px;background:#fff;border-color:#fff}
.cur-r span{opacity:0;transition:.3s}
.cur-r.view span{opacity:1}
@media (hover:none){.cur,.cur-r{display:none}}

/* SAMPLE帯 */
.sample-bar{position:fixed;left:0;right:0;bottom:0;z-index:95;background:var(--red);color:#fff;font-size:11px;text-align:center;padding:4px 12px;letter-spacing:.06em}
.sample-bar b{font-family:var(--en);font-weight:800;margin-right:8px}

/* ヘッダー */
.hd{position:fixed;top:0;left:0;right:0;z-index:100;transition:transform .5s var(--ease),background .4s,border-color .4s;border-bottom:1px solid transparent;color:#fff}
.hd.solid{background:rgba(12,13,15,.72);backdrop-filter:blur(14px) saturate(1.4);-webkit-backdrop-filter:blur(14px) saturate(1.4);border-color:var(--line)}
.hd.hide{transform:translateY(-100%)}
.hd .w{display:flex;align-items:center;justify-content:space-between;height:84px;max-width:1440px}
.logo{display:flex;align-items:center;gap:12px}
.logo-mark{width:38px;height:38px;border:1.5px solid #fff;border-radius:50%;position:relative;display:grid;place-items:center;font-family:var(--en);font-size:19px;line-height:1;color:#fff}
.logo-mark::after{content:"";position:absolute;right:-2px;top:-2px;width:10px;height:10px;border-radius:50%;background:var(--red);box-shadow:0 0 12px var(--red)}
.logo b{font-family:var(--en);font-weight:400;font-size:24px;letter-spacing:.06em;line-height:1}
.logo small{display:block;font-family:var(--en);font-size:9px;letter-spacing:.24em;color:var(--steel);margin-top:4px}
.nav{display:flex;align-items:center;gap:34px;font-size:14px;font-weight:700}
.nav a:not(.btn){position:relative;padding:4px 0;overflow:hidden;display:inline-block}
.nav a:not(.btn) span{display:block;transition:transform .45s var(--ease)}
.nav a:not(.btn) span::after{content:attr(data-t);position:absolute;left:0;top:100%;color:var(--red)}
.nav a:not(.btn):hover span{transform:translateY(-100%)}
.nav a.on{color:var(--red)}
.nav-tog{display:none;width:48px;height:48px;border:1px solid var(--line);background:transparent;position:relative;cursor:pointer}
.nav-tog span,.nav-tog::before,.nav-tog::after{content:"";position:absolute;left:13px;right:13px;height:1.5px;background:#fff;transition:.3s}
.nav-tog::before{top:17px}.nav-tog span{top:23px}.nav-tog::after{top:29px}

/* ボタン */
.btn{display:inline-flex;align-items:center;gap:16px;background:var(--red);color:#fff;font-weight:900;padding:18px 28px;font-size:15px;border:1px solid var(--red);position:relative;overflow:hidden;isolation:isolate;transition:color .4s,border-color .4s}
.btn::before{content:"";position:absolute;inset:0;background:#fff;transform:translateY(101%);transition:transform .5s var(--ease);z-index:-1}
.btn:hover{color:var(--ink);border-color:#fff}
.btn:hover::before{transform:none}
.btn.sm{padding:11px 20px;font-size:13px}
.btn.ghost{background:transparent;border-color:rgba(255,255,255,.4);color:#fff}
.btn.ink{background:var(--ink);border-color:var(--ink);color:#fff}
.btn.ink::before{background:var(--red)}
.btn.ink:hover{color:#fff;border-color:var(--red)}
.btn i{width:18px;height:1.5px;background:currentColor;position:relative;transition:transform .4s var(--ease)}
.btn i::after{content:"";position:absolute;right:0;top:-4px;width:8px;height:8px;border-top:1.5px solid currentColor;border-right:1.5px solid currentColor;transform:rotate(45deg)}
.btn:hover i{transform:translateX(5px)}

/* 見出し */
.sec{padding:150px 0;position:relative;overflow:clip}
.lbl{display:flex;align-items:center;gap:12px;font-family:var(--mono);font-size:12px;letter-spacing:.16em;color:var(--red);font-weight:700;margin-bottom:22px}
.lbl::before{content:"";width:28px;height:1.5px;background:currentColor}
.h2{font-size:50px;font-weight:900;line-height:1.35;color:var(--ink);letter-spacing:.01em}
.h2 em{font-style:normal;color:var(--red)}
.lead{margin-top:24px;max-width:620px;color:var(--note);font-size:16.5px}
.big-en{position:absolute;right:-20px;top:40px;font-family:var(--en);font-weight:400;font-size:240px;line-height:1;color:transparent;-webkit-text-stroke:1px rgba(12,13,15,.09);letter-spacing:-.04em;pointer-events:none;z-index:0;white-space:nowrap}
.dark .big-en{-webkit-text-stroke:1px rgba(255,255,255,.08)}

/* 文字分割 */
.sp-l{display:block;overflow:hidden;padding-bottom:.06em}
.sp-c{display:inline-block;will-change:transform}

/* 画像リビール */
.rimg{overflow:hidden;position:relative}
.rimg img{width:100%;height:118%;object-fit:cover;will-change:transform}

/* 下層ヒーロー */
.ph{position:relative;height:78vh;min-height:560px;display:flex;align-items:flex-end;color:#fff;overflow:hidden;background:var(--ink)}
.ph-bg{position:absolute;inset:-10% 0 0 0;height:120%}
.ph-bg img{width:100%;height:100%;object-fit:cover;opacity:.55}
.ph::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(12,13,15,.5),rgba(12,13,15,.1) 40%,rgba(12,13,15,.92));pointer-events:none}
.ph .w{padding-bottom:90px;width:100%;z-index:2}
.ph h1{font-size:88px;font-weight:900;line-height:1.15;letter-spacing:.01em}
.ph h1 em{font-style:normal;color:var(--red)}
.ph p{margin-top:24px;max-width:560px;color:var(--steel2)}
.ph .en-t{position:absolute;right:40px;bottom:80px;font-family:var(--en);font-weight:400;font-size:170px;line-height:.85;color:transparent;-webkit-text-stroke:1px rgba(255,255,255,.22);z-index:2;letter-spacing:-.03em;text-align:right}
.crumb{font-size:12px;color:var(--steel);margin-bottom:26px;font-family:var(--mono);letter-spacing:.1em}
.crumb a{color:var(--steel2)}

/* 仕様表 */
.spec{width:100%;border-collapse:collapse;font-size:15px}
.spec th,.spec td{border-bottom:1px solid var(--steel2);padding:18px 16px;text-align:left;vertical-align:top}
.spec th{width:200px;font-weight:700;color:var(--ink);background:rgba(12,13,15,.04)}
.spec td .m{font-family:var(--mono);font-size:14px}
.dark .spec th,.dark .spec td{border-color:var(--line)}
.dark .spec th{color:#fff;background:rgba(255,255,255,.04)}

/* CTA */
.cta{position:relative;color:#fff;padding:170px 0;overflow:hidden;background:var(--ink)}
.cta-bg{position:absolute;inset:-15% 0;z-index:0}
.cta-bg img{width:100%;height:100%;object-fit:cover;opacity:.5}
.cta::after{content:"";position:absolute;inset:0;background:radial-gradient(ellipse at 30% 50%,rgba(12,13,15,.35),rgba(12,13,15,.92) 75%);z-index:0}
.cta-in{display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:center;position:relative;z-index:1}
.cta h2{font-size:54px;font-weight:900;line-height:1.3}
.cta h2 em{font-style:normal;color:var(--red)}
.cta p{color:var(--steel2);margin-top:22px}
.glass{border:1px solid rgba(255,255,255,.16);padding:40px;background:linear-gradient(135deg,rgba(255,255,255,.09),rgba(255,255,255,.02));backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);box-shadow:0 40px 80px -30px rgba(0,0,0,.6),inset 0 1px 0 rgba(255,255,255,.12)}
.glass ul{list-style:none;margin-bottom:26px;font-size:14px}
.glass li{padding:12px 0;border-bottom:1px dashed rgba(255,255,255,.18);display:flex;gap:14px}
.glass li span{font-family:var(--mono);color:var(--red)}
.cta-tel{margin-top:26px;font-family:var(--en2);font-size:30px;font-weight:800;letter-spacing:.04em}
.cta-tel small{display:block;font-family:var(--g);font-size:12px;font-weight:400;color:var(--steel);letter-spacing:0}

/* フッター */
.ft{background:#070809;color:var(--steel2);padding:110px 0 70px;font-size:13px;position:relative;overflow:hidden}
.ft-big{font-family:var(--en);font-weight:400;font-size:19vw;line-height:.8;letter-spacing:-.05em;color:transparent;-webkit-text-stroke:1px rgba(255,255,255,.1);white-space:nowrap;margin-top:80px;user-select:none}
.ft-in{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px}
.ft .logo{color:#fff}
.ft h4{color:#fff;font-size:12px;margin-bottom:16px;font-family:var(--mono);letter-spacing:.14em}
.ft li{list-style:none;padding:5px 0}
.ft li a:hover{color:var(--red)}
.ft-copy{margin-top:30px;padding-top:22px;border-top:1px solid #1d2024;display:flex;justify-content:space-between;font-family:var(--mono);font-size:11px;color:var(--steel)}

@media (max-width:768px){
  body{font-size:15px}
  .w{padding:0 20px}
  .hd .w{height:64px}
  .nav{position:fixed;inset:0;background:var(--ink);flex-direction:column;justify-content:center;align-items:flex-start;gap:0;padding:80px 28px;clip-path:inset(0 0 100% 0);transition:clip-path .6s var(--ease);z-index:-1}
  .nav a:not(.btn){font-size:28px;padding:12px 0}
  .nav .btn{margin-top:26px}
  .nav-open .nav{clip-path:inset(0 0 0 0)}
  .nav-tog{display:block}
  .nav-open .nav-tog span{opacity:0}
  .nav-open .nav-tog::before{top:23px;transform:rotate(45deg)}
  .nav-open .nav-tog::after{top:23px;transform:rotate(-45deg)}
  .sec{padding:90px 0}
  .h2{font-size:28px}
  .lead{font-size:15px}
  .big-en{font-size:96px;top:30px}
  .ph{height:68vh;min-height:460px}
  .ph h1{font-size:46px}
  .ph .w{padding-bottom:60px}
  .ph .en-t{font-size:64px;right:20px;bottom:auto;top:96px}
  .spec th{width:96px;padding:14px 10px}.spec td{padding:14px 10px}
  .cta{padding:100px 0}
  .cta-in{grid-template-columns:1fr;gap:40px}
  .cta h2{font-size:32px}
  .glass{padding:24px}
  .ft{padding:80px 0 60px}
  .ft-in{grid-template-columns:1fr;gap:30px}
  .ft-copy{flex-direction:column;gap:6px}
  .ld-n{font-size:84px}
  .sample-bar{font-size:10px;padding:3px 8px}
}
@media (prefers-reduced-motion:reduce){.grain{animation:none}}

/* LINEボタン（白地アイコン＋小ラベル＋光沢＋脈動） */
.lb-wrap{display:inline-flex;flex-direction:column;align-items:flex-start;gap:10px}
.lb-top{font-size:13px;font-weight:700;color:#fff;letter-spacing:.04em}
.lb{position:relative;display:inline-flex;align-items:center;gap:16px;background:#06C755;color:#fff;padding:14px 24px 14px 14px;border-radius:999px;font-weight:900;font-size:17px;overflow:hidden;box-shadow:0 14px 34px -10px rgba(6,199,85,.75);animation:lbp 2.4s infinite}
.lb::after{content:"";position:absolute;top:0;left:-60%;width:40%;height:100%;background:linear-gradient(100deg,transparent,rgba(255,255,255,.45),transparent);transform:skewX(-20deg);animation:lbs 3.2s infinite}
@keyframes lbs{0%,60%{left:-60%}100%{left:130%}}
@keyframes lbp{0%,100%{box-shadow:0 14px 34px -10px rgba(6,199,85,.75),0 0 0 0 rgba(6,199,85,.5)}50%{box-shadow:0 14px 34px -10px rgba(6,199,85,.75),0 0 0 12px rgba(6,199,85,0)}}
.lb .ic{width:44px;height:44px;border-radius:50%;background:#fff;display:grid;place-items:center;flex:none}
.lb .ic svg{width:28px;height:28px}
.lb small{display:block;font-size:11px;font-weight:700;opacity:.92;letter-spacing:.02em}
.lb .ar{width:20px;height:20px;border-top:2.5px solid #fff;border-right:2.5px solid #fff;transform:rotate(45deg);margin-left:4px;width:10px;height:10px}
.lb-note{font-size:11.5px;color:var(--steel2);line-height:1.7}
.lb-fix{position:fixed;left:12px;right:12px;bottom:30px;z-index:94;display:none;transform:translateY(160%);transition:transform .5s var(--ease)}
.lb-fix.show{transform:none}
.lb-fix .lb{width:100%;justify-content:center}
@media (max-width:768px){.lb-fix{display:block}.lb{font-size:15px}}