:root{
  --ink:#1e1a17;
  --ink2:#4a423b;
  --mute:#7b7168;
  --cream:#f7f1e8;
  --paper:#fffdf9;
  --hinoki:#c9a476;
  --hinoki-d:#9b7448;
  --char:#24211e;
  --line:#06c755;
  --line-d:#05a647;
  --rsv:#b5552b;
  --rsv-d:#9a4522;
  --gold:#b8913c;
  --bd:#e6dccd;
  --serif:"Noto Serif JP","Hiragino Mincho ProN",serif;
  --sans:"Noto Sans JP","Hiragino Sans",sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--sans);color:var(--ink);background:#14110f;line-height:1.8;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit}

/* ---- PC frame: column center + side panels ---- */
.stage{position:relative;min-height:100vh;overflow:hidden}
.stage-bg{position:fixed;inset:0;background:#14110f center/cover no-repeat;filter:brightness(.35) blur(2px);transform:scale(1.04);z-index:0}
.side{display:none}
.lp{position:relative;z-index:1;max-width:480px;margin:0 auto;background:var(--paper);box-shadow:0 0 60px rgba(0,0,0,.45);overflow:hidden}
@media(min-width:1080px){
  .side{display:flex;position:fixed;top:0;bottom:0;width:calc((100vw - 480px)/2);z-index:1;align-items:center;justify-content:center;color:#f3e9da;padding:40px}
  .side-l{left:0}
  .side-r{right:0}
  .side-inner{max-width:300px}
  .side .brand{font-family:var(--serif);font-size:13px;letter-spacing:.3em;opacity:.8}
  .side .pname{font-family:var(--serif);font-size:34px;letter-spacing:.08em;margin:6px 0 14px}
  .side p{font-size:14px;opacity:.85}
  .side .cta{margin-top:12px}
}

/* ---- demo switcher (demo only) ---- */
.demo-bar{position:sticky;top:0;z-index:50;display:flex;align-items:center;gap:6px;justify-content:center;background:#0f0d0b;color:#cfc3b2;font-size:11px;padding:6px 8px}
.demo-bar span{opacity:.7}
.demo-bar a{text-decoration:none;padding:3px 10px;border:1px solid #4b433b;border-radius:999px}
.demo-bar a.on{background:var(--hinoki);color:#1e1a17;border-color:var(--hinoki);font-weight:700}

/* ---- common ---- */
.sec{padding:56px 22px}
.sec.cream{background:var(--cream)}
.sec.dark{background:var(--char);color:#f3e9da}
.eyebrow{font-size:11px;letter-spacing:.28em;color:var(--hinoki-d);font-weight:700;text-transform:uppercase}
.dark .eyebrow{color:var(--hinoki)}
.h2{font-family:var(--serif);font-size:24px;line-height:1.55;margin:8px 0 18px;font-weight:700;letter-spacing:.02em}
.h2 em{font-style:normal;background:linear-gradient(transparent 62%,rgba(201,164,118,.45) 62%)}
.dark .h2 em{background:linear-gradient(transparent 62%,rgba(201,164,118,.35) 62%)}
.lead{font-size:15px;color:var(--ink2)}
.dark .lead{color:#d8ccbb}
.note{font-size:11px;color:var(--mute);line-height:1.7;margin-top:10px}
.dark .note{color:#a99b8a}
.ph{position:relative;border-radius:6px;overflow:hidden}
.ph img{width:100%;height:100%;object-fit:cover}
.ph .cap{position:absolute;left:10px;bottom:8px;font-size:10px;color:#fff;background:rgba(0,0,0,.45);padding:2px 8px;border-radius:3px}

/* ---- CTA ---- */
.cta{display:grid;gap:10px}
.btn{display:flex;align-items:center;justify-content:center;gap:10px;text-decoration:none;font-weight:700;border-radius:999px;padding:15px 18px;font-size:16px;color:#fff;box-shadow:0 4px 0 rgba(0,0,0,.18);transition:transform .15s}
.btn:active{transform:translateY(2px);box-shadow:0 2px 0 rgba(0,0,0,.18)}
.btn small{display:block;font-size:11px;font-weight:500;opacity:.9;line-height:1.3}
.btn .t{line-height:1.35;text-align:left}
.btn-line{background:var(--line)}
.btn-line:hover{background:var(--line-d)}
.btn-rsv{background:var(--rsv)}
.btn-rsv:hover{background:var(--rsv-d)}
.btn-ghost{background:transparent;color:var(--ink);border:1.5px solid var(--ink);box-shadow:none}
.ico{width:26px;height:26px;flex:none}
.cta-hint{text-align:center;font-size:12px;color:var(--mute);margin-top:4px}
.dark .cta-hint{color:#b8ab9a}
.micro{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;font-size:11px;color:var(--ink2);margin-top:8px}
.micro span::before{content:"✓ ";color:var(--line-d);font-weight:700}
.dark .micro{color:#d8ccbb}

/* ---- FV ---- */
.fv{position:relative;color:#fff;min-height:680px;padding-top:70px!important;display:flex;flex-direction:column;justify-content:flex-end;padding:0 0 22px}
.fv-img{position:absolute;inset:0}
.fv-img img{width:100%;height:100%;object-fit:cover}
.fv::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,15,10,.15) 0%,rgba(20,15,10,.05) 30%,rgba(20,15,10,.75) 68%,rgba(20,15,10,.92) 100%)}
.fv>*:not(.fv-img){position:relative;z-index:2}
.fv>.fv-top{position:absolute}
.fv-top{position:absolute;top:18px;left:22px;right:22px;display:flex;justify-content:space-between;align-items:center;font-size:11px;letter-spacing:.25em;z-index:2}
.fv-top b{font-family:var(--serif);font-weight:600}
.fv-tag{border:1px solid rgba(255,255,255,.6);padding:2px 10px;border-radius:999px;letter-spacing:.05em;white-space:nowrap}
.fv-body{padding:0 22px}
.fv-pre{font-size:13px;letter-spacing:.12em;color:#ecd9bd}
.fv-catch.sm{font-size:28px}
.fv-catch{font-family:var(--serif);font-size:34px;line-height:1.45;font-weight:700;margin:6px 0 12px;letter-spacing:.03em;text-shadow:0 2px 14px rgba(0,0,0,.4)}
.fv-sub{font-size:14px;color:#efe4d4;margin-bottom:16px}
.badges{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;margin-bottom:16px}
.badge{background:rgba(255,255,255,.1);border:1px solid rgba(236,217,189,.5);border-radius:6px;padding:8px 2px;text-align:center;font-size:10px;line-height:1.35;backdrop-filter:blur(4px)}
.badge b{display:block;font-family:var(--serif);font-size:15px;color:#f3dcb5}
.fv-offer{display:flex;align-items:center;gap:10px;background:linear-gradient(90deg,#b8913c,#d8b36a);color:#2a1f10;border-radius:6px;padding:8px 12px;font-size:12px;font-weight:700;margin-bottom:14px}
.fv-offer .gift{font-size:20px}
.fv .cta{padding:0 22px}
.fv .micro{color:#e8dccb}

/* ---- empathy ---- */
.worry{display:grid;gap:10px;margin:18px 0}
.worry li{list-style:none;background:#fff;border:1px solid var(--bd);border-radius:8px;padding:12px 14px 12px 44px;position:relative;font-size:14px}
.worry li::before{content:"";position:absolute;left:14px;top:50%;width:18px;height:18px;margin-top:-9px;border-radius:4px;border:2px solid var(--hinoki-d)}
.worry li::after{content:"";position:absolute;left:19px;top:50%;width:6px;height:11px;margin-top:-8px;border:solid var(--rsv);border-width:0 3px 3px 0;transform:rotate(45deg)}
.turn{text-align:center;font-family:var(--serif);font-size:19px;line-height:1.7;margin-top:22px}
.turn::before{content:"";display:block;width:1px;height:36px;background:var(--hinoki-d);margin:0 auto 14px}

/* ---- story timeline ---- */
.story{margin-top:22px;position:relative}
.story::before{content:"";position:absolute;left:62px;top:6px;bottom:6px;width:1px;background:rgba(201,164,118,.5)}
.st{display:grid;grid-template-columns:50px 1fr;gap:26px;margin-bottom:22px;position:relative}
.st-time{font-family:var(--serif);font-size:15px;color:var(--hinoki);text-align:right;padding-right:6px;position:relative}
.st-time::after{content:"";position:absolute;right:-17px;top:9px;width:9px;height:9px;border-radius:50%;background:var(--hinoki)}
.st h3{font-size:15px;margin-bottom:4px;color:#fff}
.st p{font-size:13px;color:#cfc2b0}
.st .ph{margin-top:10px;height:150px}

/* ---- features ---- */
.feat{display:grid;gap:14px;margin-top:20px}
.fcard{background:#fff;border:1px solid var(--bd);border-radius:10px;overflow:hidden}
.fcard .ph{border-radius:0;height:170px}
.fcard-b{padding:14px 16px 16px}
.fcard .num{font-family:var(--serif);color:var(--hinoki-d);font-size:12px;letter-spacing:.2em}
.fcard h3{font-family:var(--serif);font-size:18px;line-height:1.5;margin:2px 0 6px}
.fcard p{font-size:13px;color:var(--ink2)}

/* ---- size / install ---- */
.size-box{background:#fff;border:1px solid var(--bd);border-radius:10px;padding:18px 16px;margin-top:16px}
.cube{position:relative;width:200px;height:190px;margin:10px auto 18px}
.cube svg{width:100%;height:100%}
.spec{width:100%;border-collapse:collapse;font-size:13px}
.spec th,.spec td{border-top:1px solid var(--bd);padding:9px 6px;text-align:left;vertical-align:top}
.spec th{width:38%;color:var(--mute);font-weight:500}
.check-cta{margin-top:18px;background:#eaf9ef;border:1px dashed var(--line-d);border-radius:10px;padding:16px}
.check-cta p{font-size:13px;margin-bottom:12px}
.check-cta ol{font-size:13px;padding-left:20px;margin-bottom:12px;color:var(--ink2)}

/* ---- chiller ---- */
.chill{margin-top:16px}
.chill .ph{height:220px}
.chill-list{margin-top:14px;display:grid;gap:8px}
.chill-list li{list-style:none;font-size:14px;padding-left:22px;position:relative}
.chill-list li::before{content:"";position:absolute;left:4px;top:11px;width:8px;height:8px;border-radius:50%;background:#6fa8c9}

/* ---- campaign ---- */
.camp{background:linear-gradient(160deg,#2b241d,#191512);color:#f3e9da;border-radius:12px;padding:24px 18px;border:1px solid #5a4a36;position:relative;overflow:hidden}
.camp h3{font-family:var(--serif);font-size:22px;line-height:1.5;margin:6px 0 10px}
.camp h3 b{color:#e8c47e}
.gifts{display:grid;grid-template-columns:1fr auto 1fr;gap:8px;align-items:center;margin:16px 0}
.gift-c{background:rgba(255,255,255,.06);border:1px solid rgba(232,196,126,.45);border-radius:8px;padding:12px 8px;text-align:center;font-size:12px}
.gift-c svg{display:block;width:44px;height:44px;margin:0 auto 6px}
.gifts .or{font-family:var(--serif);color:#e8c47e;font-size:13px}
.camp .deadline{font-size:12px;background:rgba(232,196,126,.15);border-radius:4px;padding:6px 10px;text-align:center;margin-bottom:14px}

/* ---- flow ---- */
.flow{display:grid;gap:0;margin-top:18px;counter-reset:f}
.fl{display:grid;grid-template-columns:40px 1fr;gap:12px;padding-bottom:18px;position:relative}
.fl::before{counter-increment:f;content:counter(f);width:34px;height:34px;border-radius:50%;background:var(--char);color:#f3e9da;display:flex;align-items:center;justify-content:center;font-family:var(--serif);font-size:15px}
.fl:not(:last-child)::after{content:"";position:absolute;left:17px;top:36px;bottom:2px;width:1px;background:var(--bd)}
.fl h3{font-size:15px;line-height:1.5;margin-top:5px}
.fl p{font-size:13px;color:var(--ink2)}
.fl .pill{display:inline-block;font-size:10px;font-weight:700;border-radius:999px;padding:1px 8px;margin-left:6px;vertical-align:2px;color:#fff}
.pill.l{background:var(--line)}
.pill.r{background:var(--rsv)}

/* ---- faq ---- */
.faq{margin-top:16px}
.faq details{border-bottom:1px solid var(--bd)}
.faq summary{list-style:none;cursor:pointer;padding:14px 30px 14px 30px;position:relative;font-size:14px;font-weight:700}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:"Q";position:absolute;left:0;top:13px;font-family:var(--serif);color:var(--hinoki-d);font-size:16px}
.faq summary::after{content:"+";position:absolute;right:4px;top:12px;font-size:18px;color:var(--mute)}
.faq details[open] summary::after{content:"−"}
.faq .a{padding:0 4px 16px 30px;font-size:13px;color:var(--ink2);position:relative}
.faq .a::before{content:"A";position:absolute;left:0;top:0;font-family:var(--serif);color:var(--rsv);font-size:16px}

/* ---- CTA band ---- */
.cta-band{padding:44px 22px 50px;background:var(--char) center/cover;position:relative;color:#fff;text-align:center}
.cta-band::before{content:"";position:absolute;inset:0;background:rgba(20,16,12,.78)}
.cta-band>*{position:relative}
.cta-band h2{font-family:var(--serif);font-size:22px;line-height:1.6;margin-bottom:8px}
.cta-band p{font-size:13px;color:#e3d6c4;margin-bottom:18px}
.cta-compare{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:16px;text-align:left}
.cmp{background:rgba(255,255,255,.07);border-radius:8px;padding:12px 10px;font-size:11.5px;line-height:1.6;color:#e8dccb}
.cmp b{display:block;font-size:13px;margin-bottom:4px}
.cmp.l b{color:#5fe39a}
.cmp.r b{color:#f0a47d}

/* ---- business ---- */
.issue{display:grid;gap:10px;margin-top:16px}
.issue div{background:#fff;border-left:3px solid var(--rsv);padding:12px 14px;font-size:14px;border-radius:0 6px 6px 0}
.issue b{display:block;font-size:13px;color:var(--rsv)}
.merit{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:18px}
.mcard{background:rgba(255,255,255,.06);border:1px solid rgba(201,164,118,.35);border-radius:8px;padding:14px 12px}
.mcard svg{width:30px;height:30px;margin-bottom:6px}
.mcard h3{font-size:14px;line-height:1.5;margin-bottom:4px;color:#f3e9da}
.mcard p{font-size:12px;color:#c9bca9;line-height:1.65}
.usecase{display:grid;gap:14px;margin-top:18px}
.uc{display:grid;grid-template-columns:120px 1fr;gap:12px;align-items:center;background:#fff;border:1px solid var(--bd);border-radius:10px;overflow:hidden}
.uc .ph{height:110px;border-radius:0}
.uc div.t{padding:8px 10px 8px 0}
.uc h3{font-size:14px;line-height:1.5}
.uc p{font-size:12px;color:var(--ink2);line-height:1.6}
.easy{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:16px}
.easy div{background:#fff;border:1px solid var(--bd);border-radius:8px;padding:12px;text-align:center}
.easy b{display:block;font-family:var(--serif);font-size:20px;color:var(--hinoki-d);line-height:1.3}
.easy span{font-size:11px;color:var(--ink2)}

/* calculator */
.calc{background:#fff;border:1px solid var(--bd);border-radius:10px;padding:18px 16px;margin-top:18px}
.calc label{display:block;font-size:12px;color:var(--ink2);margin:12px 0 4px}
.calc .row{display:flex;align-items:center;gap:10px}
.calc input[type=range]{flex:1;accent-color:var(--rsv)}
.calc output{font-family:var(--serif);font-weight:700;min-width:96px;text-align:right;font-size:15px}
.calc .res{margin-top:16px;background:var(--cream);border-radius:8px;padding:14px;text-align:center}
.calc .res span{font-size:12px;color:var(--ink2)}
.calc .res b{display:block;font-family:var(--serif);font-size:30px;color:var(--rsv);line-height:1.4}
.calc .res small{font-size:12px;color:var(--ink2)}

/* ---- footer & sticky ---- */
.foot{background:#0f0d0b;color:#9d9081;font-size:11px;text-align:center;padding:26px 16px 96px}
.foot b{display:block;font-family:var(--serif);color:#e3d6c4;font-size:14px;letter-spacing:.2em;margin-bottom:6px}
.sticky{position:fixed;left:50%;bottom:0;transform:translate(-50%,110%);width:100%;max-width:480px;z-index:40;background:rgba(255,253,249,.97);border-top:1px solid var(--bd);padding:8px 10px calc(8px + env(safe-area-inset-bottom));display:grid;grid-template-columns:1fr 1fr;gap:8px;transition:transform .3s}
.sticky.show{transform:translate(-50%,0)}
.sticky .btn{padding:10px 8px;font-size:13.5px;gap:6px}
.sticky .btn small{font-size:10px}
.sticky .ico{width:20px;height:20px}

/* reveal */
.rv{opacity:0;transform:translateY(18px);transition:opacity .7s,transform .7s}
.rv.in{opacity:1;transform:none}

/* debug panel */
#dbg{position:fixed;left:10px;bottom:10px;z-index:99;width:300px;max-height:240px;overflow:auto;background:rgba(10,10,10,.9);color:#9ef0b8;font:11px/1.5 monospace;padding:10px;border-radius:6px;display:none}
#dbg.on{display:block}
#dbg h4{color:#fff;font-size:11px;margin-bottom:4px}

/* ---- FV comparison page ---- */
.fvpage{background:#1a1613;color:#f3e9da;min-height:100vh;padding:28px 16px 60px}
.fvpage h1{font-family:var(--serif);font-size:24px;text-align:center;margin-bottom:6px}
.fvpage .intro{text-align:center;font-size:13px;color:#c9bca9;max-width:720px;margin:0 auto 26px}
.fvgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:26px;max-width:1240px;margin:0 auto}
.fvitem h2{font-size:14px;margin-bottom:4px}
.fvitem h2 span{display:inline-block;font-size:10px;padding:1px 8px;border-radius:999px;background:var(--hinoki);color:#1e1a17;margin-right:6px;vertical-align:2px}
.fvitem .why{font-size:12px;color:#c9bca9;margin:8px 0 0;line-height:1.7}
.phone{width:100%;max-width:300px;aspect-ratio:9/18.5;margin:10px auto 0;border-radius:30px;border:8px solid #000;overflow:hidden;position:relative;background:#000;box-shadow:0 10px 30px rgba(0,0,0,.5)}
.phone .fv{min-height:100%;height:100%;padding-bottom:14px;padding-top:50px!important}
.phone .fv-catch.sm{font-size:19px}
.phone .fv-catch{font-size:22px}
.phone .fv-sub{font-size:12px;margin-bottom:10px}
.phone .badges{margin-bottom:10px}
.phone .badge{font-size:8.5px;padding:5px 1px}
.phone .badge b{font-size:12px}
.phone .btn{padding:10px 12px;font-size:13px}
.phone .btn small{font-size:9.5px}
.phone .fv-offer{font-size:10.5px;padding:6px 10px;margin-bottom:10px}
.phone .micro{font-size:9.5px}
.phone .fv-top{top:14px}