/* ============================================================
   トップページ（2026-10 リデザイン「宇宙」 v2：2026-10-19 骨組みを Penguin-LAB 自身の持ち物に）
   1. 物語：画面に貼りついた舞台。モチーフ → 粒子 → フラスコ。題字は縦書き、語りは画面の下
   2. 事業内容：研究所のラボノートが横に流れる
   4. 代表 5. お知らせ（クリームの面）
   6. 締め：オーロラの南極の夜に、ペンギン座が大きく完成する
   ============================================================ */
body.top{background:var(--sp-bg)}
body.top::before{content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background:radial-gradient(60% 50% at 62% 42%,rgba(64,82,130,.16),transparent 70%),radial-gradient(50% 40% at 15% 85%,rgba(212,226,63,.04),transparent 70%)}
.sky{position:fixed;inset:0;width:100%;height:100%;z-index:0;pointer-events:none}
.top main{position:relative;z-index:1}
:root{--sp-acc-d:#B4C21A}   /* クリーム面の上で使う、少し深い黄緑（小さな印だけ） */

/* ---------- 1. 物語 ---------- */
.story{position:relative;height:520svh}
.stage{position:sticky;top:0;height:100svh;overflow:hidden}

.fl{position:absolute;left:calc(var(--x) * 1%);top:calc(var(--y) * 1%);width:calc(var(--w) * 1vw);z-index:2;
  transform:translate(-50%,-50%);will-change:transform,opacity;-webkit-tap-highlight-color:transparent}
.fl img{width:100%;height:auto;filter:drop-shadow(0 24px 30px rgba(0,0,0,.55));transition:transform .5s cubic-bezier(.2,.8,.2,1)}
.fl:hover img,.fl:focus-visible img{transform:scale(1.06)}
.fl .tag{position:absolute;left:50%;top:100%;transform:translate(-50%,6px);white-space:nowrap;display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.12em;color:var(--sp-w);opacity:0;transition:opacity .35s,transform .35s;pointer-events:none}
.fl .tag::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--sp-acc);box-shadow:0 0 8px var(--sp-acc)}
.fl:hover .tag,.fl:focus-visible .tag{opacity:1;transform:translate(-50%,12px)}
.fl.sanma .tag{top:140%}
@media (max-width:999px){.fl .tag{display:none}}
.floats.gone .fl{pointer-events:none}

/* おじペン：目を重ねる（白い楕円の中で黒目を動かす）。5周まわすと2秒だけ×目 */
.ojipen{position:relative;width:100%;aspect-ratio:411/532}
.ojipen img{width:100%;height:100%;filter:drop-shadow(0 20px 26px rgba(0,0,0,.45))}
.ojipen .eye{position:absolute;border-radius:50%;background:#fff}
.ojipen .eye.l{left:31.6%;top:26.7%;width:13.6%;height:9.5%}
.ojipen .eye.r{left:54.6%;top:25.4%;width:14.7%;height:10.2%}
.ojipen .pupil{position:absolute;left:50%;top:50%;width:24%;aspect-ratio:1;border-radius:50%;background:#0b0b0b;transform:translate(-50%,-50%);transition:transform .08s linear,width .15s,background .15s}
.ojipen.x .pupil{background:transparent;width:44%;transform:translate(-50%,-50%)!important}
.ojipen.x .pupil::before,.ojipen.x .pupil::after{content:"";position:absolute;left:50%;top:50%;width:100%;height:16%;background:#0b0b0b;border-radius:3px;transform:translate(-50%,-50%) rotate(45deg)}
.ojipen.x .pupil::after{transform:translate(-50%,-50%) rotate(-45deg)}

/* 題字：縦書き。左に置き、スクロールでモチーフと一緒に消える */
.title{position:absolute;left:7vw;top:52%;transform:translateY(-50%);z-index:3;pointer-events:none;writing-mode:vertical-rl;transition:opacity .2s linear}
.title-main{white-space:nowrap;font-size:clamp(26px,2.7vw,40px);font-weight:700;line-height:1.75;letter-spacing:.28em;color:var(--sp-w);text-shadow:0 2px 24px rgba(12,15,23,.6)}
.title-sub{display:flex;align-items:center;gap:14px;margin-block-start:20px;white-space:nowrap;font-size:11px;color:var(--sp-wm);letter-spacing:.2em;padding-top:4px}
.title-sub .en{display:inline-flex;align-items:center;gap:10px;font-size:15px;font-weight:700;color:var(--sp-w);letter-spacing:.14em}
.title-sub .en::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--sp-acc);box-shadow:0 0 10px var(--sp-acc)}

/* 語り：画面の下の中央に、1段ずつ */
.steps{position:absolute;left:50%;bottom:7svh;transform:translateX(-50%);width:min(880px,88vw);z-index:3;pointer-events:none;display:grid;justify-items:center;text-align:center}
.step{grid-area:1/1;align-self:end;opacity:0;transform:translateY(14px);filter:blur(4px);transition:opacity .8s ease,transform .8s cubic-bezier(.2,.8,.2,1),filter .8s;pointer-events:none}
.step.on{opacity:1;transform:none;filter:none;pointer-events:auto}
.step p{font-size:15px;line-height:2.25;letter-spacing:.12em;color:rgba(255,255,255,.88);font-weight:500;text-shadow:0 1px 16px rgba(12,15,23,.9)}
.step-h{display:inline-block;margin-bottom:6px;font-size:1.18em;color:var(--sp-w);letter-spacing:.16em}
.step mark{background:none;color:var(--sp-w);font-weight:700;box-shadow:inset 0 -2px 0 var(--sp-acc);padding:0 .08em}
.step .pill{margin-top:22px;color:var(--sp-w);min-width:250px}
/* 4つの星が、段が進むたびに線でつながる */
.dots{grid-area:2/1;list-style:none;display:flex;gap:34px;margin-top:26px;opacity:0;transition:opacity .6s;position:relative}
.dots.on{opacity:1}
.dots li{position:relative;width:5px;height:5px;border-radius:50%;background:rgba(255,255,255,.35);transition:background .4s,box-shadow .4s}
.dots li+li::before{content:"";position:absolute;right:calc(100% + 4px);top:50%;width:26px;height:1px;background:rgba(255,255,255,.75);transform:scaleX(0);transform-origin:left;transition:transform .5s ease .1s}
.dots li.done,.dots li.on{background:#fff;box-shadow:0 0 8px rgba(255,255,255,.8)}
.dots li.on{background:var(--sp-acc);box-shadow:0 0 10px var(--sp-acc)}
.dots li.done+li::before,.dots li.done+li.on::before{transform:scaleX(1)}

/* Scroll down */
.cue{position:absolute;right:30px;bottom:0;z-index:3;padding-bottom:72px;font-size:11px;letter-spacing:.14em;color:var(--sp-wm);transition:opacity .5s}
.cue::before,.cue::after{content:"";position:absolute;right:-12px;bottom:0;width:1px;height:62px;background:rgba(255,255,255,.2)}
.cue::after{background:var(--sp-w);height:20px;animation:cue 2.2s cubic-bezier(.6,0,.3,1) infinite}
.cue.hide{opacity:0}
@keyframes cue{0%{transform:translateY(-62px);opacity:0}30%{opacity:1}100%{transform:translateY(0);opacity:0}}

/* ---------- 2. 事業内容：ラボノート ---------- */
.notes{position:relative;padding:96px 0 72px}
.notes-track{display:grid;gap:72px;padding:0 22px}
.notes-intro .ttl{margin-top:14px}
.notes-lead{margin-top:24px;font-size:14px;line-height:2.25;letter-spacing:.08em;color:rgba(255,255,255,.82)}
.notes-hint{display:none}
.notes-bar{display:none}
/* ノート1枚：方眼の紙（研究所のノート）。モチーフが紙の上端からはみ出す */
.note{position:relative;background-color:var(--sp-cream);color:var(--sp-ink);padding:120px 26px 30px;border-radius:6px;
  background-image:linear-gradient(rgba(21,23,29,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(21,23,29,.055) 1px,transparent 1px);background-size:22px 22px;background-position:-1px -1px;
  box-shadow:0 30px 60px rgba(0,0,0,.35)}
.note-vis{position:absolute;right:18px;top:-64px;width:46%;max-width:300px;height:auto;transform:rotate(var(--r,0deg));filter:drop-shadow(0 22px 26px rgba(0,0,0,.45));pointer-events:none}
.note-vis.tall{width:auto;height:190px;top:-80px;right:40px}
.note-vis.wide{width:62%;max-width:380px;top:-10px}
.note-k{display:flex;align-items:center;gap:10px;font-size:12px;font-weight:500;letter-spacing:.16em;color:var(--sp-mute)}
.note-k::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--sp-acc-d)}
.note h3{margin-top:8px;font-size:clamp(21px,2vw,26px);font-weight:700;letter-spacing:.14em;line-height:1.5}
.note-lead{margin-top:16px;font-size:13.5px;line-height:2.05;letter-spacing:.04em}
.note-lead b,.note-items b{font-weight:700;background:linear-gradient(transparent 62%,rgba(212,226,63,.6) 0)}
.note-items{margin-top:20px;display:grid;gap:0;border-top:1.5px solid var(--sp-ink)}
.note-items>div{padding:11px 0;border-bottom:1px dashed rgba(21,23,29,.25)}
.note-items dt{font-size:13px;font-weight:700;letter-spacing:.08em}
.note-items dd{font-size:12.5px;line-height:1.85;color:#3a3d46;margin-top:2px}
.note-days{list-style:none;margin-top:20px;border-top:1.5px solid var(--sp-ink)}
.note-days li{display:grid;grid-template-columns:4.2em 1fr;gap:8px;padding:9px 0;border-bottom:1px dashed rgba(21,23,29,.25);font-size:12.5px;line-height:1.8}
.note-days b{font-weight:700;letter-spacing:.06em}
.note-link{display:inline-flex;align-items:center;gap:12px;margin-top:22px;font-size:13px;font-weight:700;letter-spacing:.08em;padding-bottom:4px;
  background:linear-gradient(var(--sp-ink),var(--sp-ink)) left bottom/100% 1.5px no-repeat;transition:background-size .4s}
.note-link::after{content:"";width:7px;height:7px;border-top:1.5px solid currentColor;border-right:1.5px solid currentColor;transform:rotate(45deg)}
.note-link:hover{background-size:0 1.5px;background-position:right bottom}
/* 2026-10-20：5枚とも同じ大きさ・同じ組み方。項目は名前だけ、ボタンは目立たせる */
.note{display:flex;flex-direction:column;min-height:520px}
ul.note-items{list-style:none;margin-top:22px;display:grid;grid-template-columns:1fr 1fr;gap:0 24px;border-top:1.5px solid var(--sp-ink)}
ul.note-items li{position:relative;padding:12px 0 12px 16px;border-bottom:1px dashed rgba(21,23,29,.25);font-size:13.5px;font-weight:700;letter-spacing:.06em;line-height:1.6}
ul.note-items li::before{content:"";position:absolute;left:0;top:1.35em;width:7px;height:7px;border-radius:50%;background:var(--sp-acc-d)}
ul.note-items.one{grid-template-columns:1fr}
ul.note-items li a{text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px;text-decoration-color:rgba(21,23,29,.35)}
ul.note-items li a:hover{text-decoration-color:currentColor}
.note-btn{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:auto;padding:0 8px 0 24px;min-height:56px;border-radius:999px;
  background:var(--sp-ink);color:var(--sp-w);font-size:14px;font-weight:700;letter-spacing:.08em;transition:background .3s,transform .3s}
.note-btn::after{content:"";flex:none;width:40px;height:40px;border-radius:50%;background:var(--sp-acc) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M7 4l6 6-6 6' fill='none' stroke='%2315171D' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/18px no-repeat;transition:transform .3s}
.note-btn:hover{background:#000;transform:translateY(-2px)}
.note-btn:hover::after{transform:translateX(3px)}
.note ul.note-items+.note-btn{margin-top:auto}
.note>.note-btn{position:relative;color:#fff}   /* .sp a の色の引き継ぎより強くする */
.note .note-items{margin-bottom:28px}
.note-vis.ball{width:22%;max-width:150px;top:-56px}
/* 恐竜は横長で体が細く、同じ幅だと小さく見えるので大きめに（2026-10-20） */
.note-vis.dino{width:62%;max-width:420px;top:-96px;right:6px}
/* スマホ・タブレット：カードの縦幅を詰め、モチーフをタイトルの近くまで下ろす（2026-10-21） */
@media(max-width:999px){
  .note{padding-top:84px;min-height:0}
  .note-vis{top:-30px}
  .note-vis.tall{top:-46px}
  .note-vis.wide{top:14px}
  .note-vis.ball{top:-22px}
  .note-vis.dino{top:-62px}
  .note-lead{line-height:1.95}
  ul.note-items{margin-top:18px}
  ul.note-items li{padding:9px 0 9px 16px}
  .note .note-items{margin-bottom:22px}
}
@media(min-width:1000px){
  .notes{padding:0;height:var(--notes-h,500vh)}
  .notes-pin{position:sticky;top:0;height:100svh;overflow:hidden;display:flex;align-items:center}
  .notes-track{display:flex;align-items:center;gap:6vw;padding:0 10vw 0 9vw;will-change:transform}
  .notes-intro{flex:none;width:min(420px,30vw)}
  .notes-hint{display:inline-flex;align-items:center;gap:14px;margin-top:44px;font-size:11px;letter-spacing:.2em;color:var(--sp-wm)}
  .notes-hint i{position:relative;width:64px;height:1px;background:rgba(255,255,255,.25);overflow:hidden}
  .notes-hint i::after{content:"";position:absolute;inset:0;background:var(--sp-w);animation:hint 2.2s cubic-bezier(.6,0,.3,1) infinite}
  @keyframes hint{from{transform:translateX(-100%)}to{transform:translateX(100%)}}
  .note{flex:none;width:min(720px,50vw);height:min(512px,calc(100svh - 170px));min-height:0;padding:84px 40px 34px;margin-top:40px}
  .note-vis.ball{width:20%;top:-70px}
  .note-vis.dino{width:54%;max-width:420px;top:-150px;right:14px}
  .note-vis{top:-86px;right:32px;width:38%}
  .note-vis.tall{height:230px;top:-120px}
  .note-vis.wide{top:-30px;width:56%}
  .notes-bar{display:block;position:absolute;left:9vw;right:10vw;bottom:44px;height:1px;background:rgba(255,255,255,.16)}
  .notes-bar i{position:absolute;left:0;top:-1px;height:3px;width:100%;background:var(--sp-acc);transform:scaleX(var(--np,0));transform-origin:left;box-shadow:0 0 10px var(--sp-acc)}
}
@media(min-width:1000px) and (max-height:820px){
  .note{padding-top:70px}
  .note-lead{font-size:12.5px;line-height:1.9}
  ul.note-items li{padding:9px 0 9px 16px}
  .note-items dd{font-size:11.5px;line-height:1.7}
}

/* ---------- 5. お知らせ：画面の1/4ほどの横帯 ---------- */
.newsband{position:relative;background:var(--sp-cream);color:var(--sp-ink);min-height:25svh;display:flex;align-items:center}
.nb-in{width:100%;max-width:1320px;margin:0 auto;padding:38px 22px;display:grid;gap:20px}
.newsband .kicker::before{background:var(--sp-acc-d)}
.nb-ttl{margin-top:6px;font-size:20px;font-weight:700;letter-spacing:.16em}
.nb-all{display:inline-flex;align-items:center;gap:10px;margin-top:12px;font-size:12px;font-weight:700;letter-spacing:.1em;padding-bottom:3px;border-bottom:1px solid currentColor}
.nb-all::after{content:"";width:6px;height:6px;border-top:1.5px solid currentColor;border-right:1.5px solid currentColor;transform:rotate(45deg)}
.newsband .topic-list{display:grid;grid-auto-flow:column;grid-auto-columns:78%;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:6px;scrollbar-width:thin}
.newsband .topic{position:relative;display:grid;grid-template-columns:96px 1fr;gap:14px;align-items:center;scroll-snap-align:start;padding:10px;background:#fff;border-radius:4px;transition:transform .3s,box-shadow .3s}
.newsband .topic:hover{transform:translateY(-3px);box-shadow:0 10px 24px rgba(21,23,29,.1)}
.newsband .topic .thumb{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--sp-cream2)}
.newsband .topic .thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.newsband .topic .thumb img.ph{object-fit:contain;padding:10%}
.newsband .topic time{display:flex;align-items:center;gap:8px;font-family:var(--en);font-size:11px;font-weight:500;letter-spacing:.12em;color:var(--sp-mute)}
.newsband .topic time::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--sp-acc-d)}
.newsband .topic .kind{font-size:10px;border:1px solid var(--sp-line);border-radius:999px;padding:0 7px;margin-left:6px}
.newsband .topic h3{margin-top:4px;font-size:12.5px;font-weight:700;line-height:1.6;letter-spacing:.03em;display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical;overflow:hidden}
.topic-empty{font-size:13px;color:var(--sp-mute)}
@media(min-width:1000px){
  .nb-in{grid-template-columns:200px 1fr;align-items:center;gap:40px;padding:44px 48px 44px 64px}
  .newsband .topic-list{grid-auto-flow:row;grid-template-columns:repeat(3,1fr);overflow:visible;gap:20px}
  .newsband .topic{grid-template-columns:120px 1fr}
}

/* ---------- 6. 締め：オーロラの夜とペンギン座 ---------- */
.closing{position:relative;min-height:100svh;overflow:hidden;background:linear-gradient(to bottom,#070A12 0%,#0C1220 55%,#13223A 100%);color:var(--sp-w)}
.aurora,.bigconst{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
.aurora{z-index:0;opacity:.9}
.bigconst{z-index:1}
.ice{position:absolute;left:0;right:0;bottom:0;height:22svh;min-height:150px;z-index:2;pointer-events:none}
.ice-floe{position:absolute;left:0;right:0;bottom:0;width:100%;height:100%}
.ice-floe path{fill:#E9EEF5}
.ice-floe .ice-edge{fill:none;stroke:#fff;stroke-width:2;vector-effect:non-scaling-stroke}
.ice-pen{position:absolute;left:76%;bottom:calc(100% - 46px);width:clamp(70px,6.5vw,104px);transform-origin:50% 100%}
.ice-pen.hop{animation:hop .9s cubic-bezier(.3,1.6,.5,1)}
@keyframes hop{0%{transform:translateY(0)}35%{transform:translateY(-26px) rotate(-4deg)}70%{transform:translateY(0) scaleY(.94)}100%{transform:none}}
.ice-pen .ojipen img{filter:drop-shadow(0 6px 8px rgba(12,15,23,.35))}
.closing-in{position:relative;z-index:3;max-width:1240px;margin:0 auto;padding:130px 22px calc(max(22svh,150px) + 40px);display:grid;gap:48px}
.ct-main .kicker{color:var(--sp-wm);margin-bottom:16px}
.ct-ttl{font-size:clamp(22px,2.4vw,32px);font-weight:700;line-height:1.75;letter-spacing:.16em;text-shadow:0 2px 20px rgba(7,10,18,.8)}
.ct-main p:not(.kicker){margin-top:22px;font-size:14px;line-height:2.1;color:rgba(255,255,255,.8);letter-spacing:.06em}
.ct-main .pill{margin-top:34px;min-width:260px}
.ct-side{display:grid;gap:22px;font-size:12px;line-height:1.9;letter-spacing:.06em;color:rgba(255,255,255,.82)}
.ct-h{display:flex;align-items:center;gap:8px;font-weight:700;font-size:11px;letter-spacing:.14em;color:var(--sp-wm)}
.ct-h::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--sp-acc)}
.ct-side a{text-decoration:underline;text-underline-offset:3px;text-decoration-color:rgba(255,255,255,.35)}
.ct-nav{display:grid;grid-template-columns:repeat(2,auto);justify-content:start;gap:4px 26px}
.ct-nav a{text-decoration:none;opacity:.8;white-space:nowrap}
.ct-nav a:hover{opacity:1;color:var(--sp-acc)}
.ct-copy{position:absolute;right:22px;bottom:16px;z-index:3;font-size:10px;letter-spacing:.14em;color:#5E6B80}
@media(min-width:1000px){
  .closing-in{padding:150px 48px calc(max(22svh,150px) + 30px) 64px;grid-template-columns:1fr}
  .ct-main{max-width:560px}
  .ct-side{grid-template-columns:auto auto auto;justify-content:start;gap:40px;margin-top:10px;max-width:56vw}
  .ct-nav{gap:4px 20px}
}

/* 研究所のボタン：フラスコ。触ると液が満ちて沸き立ち、押すと栓が飛ぶ */
.labbtn{display:inline-flex;align-items:center;gap:18px;margin-top:30px;padding:12px 14px 12px 18px;border-radius:999px;
  border:1px solid rgba(255,255,255,.3);background:rgba(255,255,255,.04);color:var(--sp-w);transition:border-color .4s,box-shadow .4s,background .4s}
.labbtn:hover,.labbtn:focus-visible{border-color:var(--sp-acc);background:rgba(212,226,63,.07);box-shadow:0 0 0 6px rgba(212,226,63,.08),0 0 40px rgba(212,226,63,.18)}
.lb-flask{position:relative;width:44px;height:56px;flex:none}
.lb-flask svg{width:100%;height:100%;overflow:visible}
.lb-glass{fill:none;stroke:#fff;stroke-width:2.4;stroke-linejoin:round;stroke-linecap:round}
.lb-liq{fill:var(--sp-acc);transition:transform .7s cubic-bezier(.3,1.4,.5,1)}
.labbtn:hover .lb-liq,.labbtn:focus-visible .lb-liq{transform:translateY(-14px)}
.lb-bub{fill:#fff;opacity:0;animation:lbBub 2.6s ease-in infinite}
.lb-bub.b2{animation-delay:.7s}.lb-bub.b3{animation-delay:1.3s}.lb-bub.b4{animation-delay:1.9s}
.labbtn:hover .lb-bub,.labbtn:focus-visible .lb-bub{animation-duration:.9s}
@keyframes lbBub{0%{transform:translateY(0);opacity:0}15%{opacity:.9}100%{transform:translateY(-30px);opacity:0}}
.lb-cork{fill:#C99A68;transform-box:fill-box;transform-origin:50% 100%;transition:transform .5s cubic-bezier(.2,.8,.2,1),opacity .5s}
.labbtn:hover .lb-cork{animation:lbRattle .35s ease-in-out infinite}
@keyframes lbRattle{0%,100%{transform:translateY(0) rotate(0)}50%{transform:translateY(-2px) rotate(-6deg)}}
.labbtn.pop .lb-cork{animation:none;transform:translate(-14px,-46px) rotate(-75deg);opacity:0}
.lb-steam{position:absolute;left:50%;top:6px;width:9px;height:9px;margin-left:-4px;border-radius:50%;background:rgba(255,255,255,.75);opacity:0;pointer-events:none}
.labbtn:hover .lb-steam,.labbtn.pop .lb-steam{animation:lbSteam 1.2s ease-out infinite}
.lb-steam.s2{animation-delay:.4s!important}.lb-steam.s3{animation-delay:.8s!important}
@keyframes lbSteam{0%{transform:translate(0,0) scale(.4);opacity:0}25%{opacity:.7}100%{transform:translate(var(--sx,6px),-34px) scale(1.6);opacity:0}}
.lb-steam.s2{--sx:-8px}.lb-steam.s3{--sx:2px}
.labbtn:hover .lb-flask{animation:lbWobble .5s ease-in-out infinite}
@keyframes lbWobble{0%,100%{rotate:-3deg}50%{rotate:3deg}}
.lb-txt{display:grid;gap:2px;line-height:1.3}
.lb-txt small{font-size:10px;font-weight:500;letter-spacing:.2em;color:var(--sp-wm)}
.lb-txt b{font-size:18px;font-weight:700;letter-spacing:.16em}
.lb-arw{display:grid;place-items:center;width:42px;height:42px;margin-left:14px;border-radius:50%;background:var(--sp-acc);color:var(--sp-acc-ink);transition:transform .4s}
.lb-arw::after{content:"";width:9px;height:9px;border-top:2px solid currentColor;border-right:2px solid currentColor;transform:translateX(-2px) rotate(45deg)}
.labbtn:hover .lb-arw{transform:translateX(4px)}
@media (prefers-reduced-motion: reduce){.lb-bub,.lb-steam,.lb-flask,.lb-cork{animation:none!important}}

/* ---------- スマホ ---------- */
@media(max-width:999px){
  .story{height:480svh}
  .fl{left:calc(var(--mx) * 1%);top:calc(var(--my) * 1%);width:calc(var(--mw) * 1vw)}
  .title{left:20px;top:calc(var(--hd-h) + 22px);transform:none}
  .title-sub{margin-block-start:12px}
  .title-main{font-size:clamp(22px,6.6vw,28px);letter-spacing:.22em}
  .steps{bottom:max(56px,8svh);width:auto;left:18px;right:18px;transform:none;padding:20px 18px 18px;background:rgba(12,15,23,.6);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
    opacity:0;transition:opacity .6s}
  .steps.on{opacity:1}
  .step p{font-size:13.5px;line-height:2.05;letter-spacing:.06em}
  .step p br{display:none}
  .step-h{display:block}
  .step .pill{margin-top:16px;min-height:46px}
  .dots{margin-top:14px}
  .cue{right:24px}
  .ice-pen{left:68%}
  ul.note-items{grid-template-columns:1fr}
  .note{min-height:0}
  .closing-in{padding-bottom:calc(max(22svh,150px) + 270px)}
}
@media (prefers-reduced-motion: reduce){
  .cue::after,.notes-hint i::after{animation:none}
}