/* ブラックアイテープ「ひっぱるシール」 — World: kawaii-sticker / Structure: acts / Signature: card-flip */
:root{
  --bg:#fff;--bg2:#fff7e0;--card:#fff;--ink:#1c1c1c;--body:#333;--muted:#777;--line:#1c1c1c;
  --accent:#ffcc00;--accent2:#ff5a5f;--tape:#dff4ff;
  --f-en:"Fredoka","Zen Maru Gothic",sans-serif;--f-jp:"Zen Maru Gothic","Noto Sans JP",sans-serif;--f-body:"Noto Sans JP","Zen Maru Gothic",sans-serif;
  --bw:4px;
}
*{box-sizing:border-box}
html{overflow-x:clip;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--body);font-family:var(--f-body);line-height:1.8;-webkit-font-smoothing:antialiased;overflow-x:clip}
img,svg{max-width:100%;display:block}
a{color:inherit}
h1,h2,h3{font-family:var(--f-jp);color:var(--ink);line-height:1.15;margin:0}
p{margin:0}

/* ---------- sticker primitives ---------- */
.sticker{background:#fff;border:var(--bw) solid var(--ink);box-shadow:0 0 0 6px #fff,0 0 0 10px var(--ink);border-radius:22px}
.btn{display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;text-decoration:none;font-family:var(--f-jp);font-weight:900;color:var(--ink);background:var(--accent);border:var(--bw) solid var(--ink);border-radius:999px;padding:.9em 1.8em;box-shadow:0 0 0 5px #fff,0 0 0 9px var(--ink),6px 8px 0 9px var(--ink);transform:rotate(-2deg);transition:transform .25s cubic-bezier(.34,1.56,.64,1),box-shadow .25s;line-height:1.2}
.btn small{font-family:var(--f-body);font-weight:700;font-size:.62em;color:var(--body)}
.btn:hover,.btn:focus-visible{transform:rotate(0deg) translate(3px,4px);box-shadow:0 0 0 5px #fff,0 0 0 9px var(--ink),2px 3px 0 9px var(--ink)}
.btn--s{font-size:.8rem;padding:.55em 1.1em;box-shadow:0 0 0 3px #fff,0 0 0 6px var(--ink),3px 4px 0 6px var(--ink);transform:rotate(0)}
.btn--main{font-size:1.25rem}
.btn--big{font-size:1.6rem;padding:.8em 1.6em}

/* ---------- loader ---------- */
.loader{position:fixed;inset:0;z-index:50;background:var(--accent);display:flex;align-items:center;justify-content:center;gap:0;flex-wrap:wrap}
.loader__tab{width:38px;height:38px;border-radius:9px;background:var(--ink)}
.loader__tape{width:0;height:26px;background:var(--tape);border:var(--bw) solid var(--ink);border-left:0;border-right:0;overflow:hidden;position:relative}
.loader__t{width:100%;text-align:center;font-family:var(--f-jp);font-weight:900;font-size:1.2rem;color:var(--ink);margin-top:14px}
.loader.is-done{pointer-events:none;opacity:0;transition:opacity .5s}

/* ---------- top ---------- */
.top{position:fixed;top:0;left:0;right:0;z-index:40;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 18px;background:rgba(255,255,255,.85);backdrop-filter:blur(6px);border-bottom:var(--bw) solid var(--ink)}
.top__brand{font-family:var(--f-en);font-weight:700;font-size:1.3rem;text-decoration:none;color:var(--ink);letter-spacing:.04em}
.top__count{font-family:var(--f-en);font-weight:700;font-size:.85rem;letter-spacing:.12em;color:var(--ink);background:var(--accent);border:3px solid var(--ink);border-radius:999px;padding:.15em .9em;transform:rotate(-3deg)}

/* ---------- hero ---------- */
.hero{position:relative;min-height:100svh;padding:110px 5vw 0;display:grid;grid-template-columns:1.1fr .9fr;grid-template-areas:"eyebrow eyebrow" "h1 h1" "stage copy" "kv copy" "ribbon ribbon";column-gap:4vw;align-items:start;background:var(--bg2);overflow:hidden}
.eyebrow{grid-area:eyebrow;font-family:var(--f-en);font-weight:700;letter-spacing:.14em;font-size:.85rem;color:var(--ink)}
.hero__h1{grid-area:h1;font-size:clamp(3rem,13.2vw,12.5rem);font-weight:900;letter-spacing:-.02em;line-height:1;margin:.05em 0 .1em -.03em;color:var(--ink);white-space:nowrap;
  -webkit-text-stroke:0;text-shadow:0 0 0 #fff}
.hero__h1 .w{display:inline-block;will-change:transform}
.hero__stage{grid-area:stage;position:relative;height:260px;margin-top:-10px}
.eye{position:absolute;left:0;top:70px;width:min(320px,70%);height:auto}
.eye__line{transition:stroke-dashoffset 1s cubic-bezier(.2,.8,.2,1)}
.pull{position:absolute;left:0;top:34px;display:flex;align-items:center;height:36px;transform-origin:left center}
.pull__tab{width:36px;height:36px;border-radius:9px;background:var(--ink);flex:none}
.pull__tape{width:40px;height:22px;background:var(--tape);border-top:var(--bw) solid var(--ink);border-bottom:var(--bw) solid var(--ink)}
.hero__copy{grid-area:copy;padding-top:24px}
.hero__lead{font-family:var(--f-jp);font-weight:700;font-size:clamp(1.05rem,1.6vw,1.35rem);color:var(--ink);line-height:1.7}
.hero__sub{margin-top:14px;font-size:.95rem;color:var(--muted);font-weight:700}
.hero__cta{margin-top:28px}
.hero__note{margin-top:14px;font-size:.78rem;color:var(--muted)}
.hero__deco{position:absolute;font-family:var(--f-en);font-weight:700;color:var(--ink);background:#fff;border:var(--bw) solid var(--ink);border-radius:999px;padding:.2em .8em;box-shadow:0 0 0 5px #fff,0 0 0 8px var(--ink);z-index:2}
.hero__deco--a{right:6vw;top:88px;transform:rotate(12deg);font-size:1.1rem;background:var(--accent2);color:#fff}
.hero__deco--b{left:4vw;top:44vh;transform:rotate(-14deg);font-size:.9rem;background:var(--accent)}
.slot{margin:0;position:relative;overflow:hidden;border:var(--bw) solid var(--ink);border-radius:26px;box-shadow:0 0 0 6px #fff,0 0 0 10px var(--ink);background:var(--accent)}
.slot svg{width:100%;height:100%;object-fit:cover}
.slot img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.slot figcaption{position:absolute;left:14px;top:12px;font-family:var(--f-en);font-weight:700;background:#fff;border:3px solid var(--ink);border-radius:999px;padding:.05em .7em;transform:rotate(-6deg);font-size:.85rem}
.slot--kv{grid-area:kv;aspect-ratio:3/2;max-width:560px;transform:rotate(-3deg);margin:24px 0 48px}
.ribbon{grid-area:ribbon;margin:0 -5vw;background:var(--ink);color:var(--accent);border-top:var(--bw) solid var(--ink);overflow:hidden;font-family:var(--f-jp);font-weight:900;font-size:1.05rem;padding:10px 0}
.ribbon__in{display:inline-block;white-space:nowrap;padding-left:100%;animation:ribbon 22s linear infinite}
@keyframes ribbon{to{transform:translateX(-100%)}}

/* ---------- acts ---------- */
.act{position:relative;padding:14vh 5vw;max-width:1200px;margin:0 auto}
.act--1{background:var(--bg)}
.act--2{background:var(--bg2);max-width:none}
.act--2>*{max-width:1100px;margin-left:auto;margin-right:auto}
.act--2>.p,.act--4>.p{margin-left:max(0px,calc((100% - 1100px)/2))}
.act--3{background:var(--bg)}
.act--4{background:var(--accent);max-width:none;text-align:left}
.act--4>*{max-width:1100px;margin-left:auto;margin-right:auto}
.sec__no{font-family:var(--f-en);font-weight:700;letter-spacing:.14em;color:var(--ink);display:inline-block;background:#fff;border:3px solid var(--ink);border-radius:999px;padding:.05em .9em;transform:rotate(-3deg);margin-bottom:22px}
.h2{font-size:clamp(2rem,6.4vw,5.2rem);font-weight:900;letter-spacing:-.01em;line-height:1.1}
.h2 em{font-style:normal;color:var(--accent2);-webkit-text-stroke:0}
.p{margin-top:22px;font-size:clamp(1rem,1.3vw,1.15rem);max-width:640px;color:var(--body)}
.sec__hint{margin-top:10px;font-size:.8rem;color:var(--muted)}
.cap{margin-top:34px;font-family:var(--f-jp);font-weight:700;font-size:.92rem;color:var(--ink);display:inline-block;background:#fff;border:3px solid var(--ink);border-radius:12px;padding:.4em 1em;transform:rotate(1.5deg)}

/* ACT 01 morning sticker */
.act--1{overflow:visible}
.slot--morning{position:absolute;right:5vw;top:7vh;width:min(230px,20vw);aspect-ratio:1/1;transform:rotate(7deg);background:var(--accent2);z-index:1}
.slot--morning figcaption{top:auto;bottom:12px;left:auto;right:12px;transform:rotate(-5deg);background:var(--accent)}
@media (max-width:860px){.slot--morning{position:relative;right:auto;top:auto;width:min(240px,64%);margin:26px 0 8px;transform:rotate(-3deg)}}

/* card-flip (signature) */
.flips{display:grid;grid-template-columns:repeat(3,1fr);gap:36px 28px;margin-top:64px;perspective:1200px}
.flip{perspective:1000px;aspect-ratio:1/.9;cursor:pointer;outline:none}
.flip:nth-child(1){transform:rotate(-3deg)}.flip:nth-child(2){transform:rotate(2deg) translateY(18px)}.flip:nth-child(3){transform:rotate(-1.5deg)}
.flip__in{position:relative;width:100%;height:100%;transform-style:preserve-3d;transition:transform .8s cubic-bezier(.34,1.56,.64,1)}
.flip:hover .flip__in,.flip.is-on .flip__in,.flip:focus-visible .flip__in{transform:rotateY(180deg)}
.flip__f,.flip__b{backface-visibility:hidden;position:absolute;inset:0;border:var(--bw) solid var(--ink);border-radius:26px;box-shadow:0 0 0 6px #fff,0 0 0 10px var(--ink);padding:26px;display:flex;flex-direction:column;justify-content:flex-end;font-family:var(--f-jp);font-weight:900;font-size:clamp(1.15rem,1.9vw,1.5rem);line-height:1.5;color:var(--ink)}
.flip__f{background:#fff}
.flip__b{background:var(--ink);color:var(--accent);transform:rotateY(180deg)}
.flip__n{position:absolute;left:18px;top:14px;font-family:var(--f-en);font-weight:700;font-size:1.05rem;background:var(--accent);border:3px solid var(--ink);border-radius:999px;padding:.05em .7em;transform:rotate(-8deg)}
.act__close{margin-top:56px;font-family:var(--f-jp);font-weight:700;font-size:clamp(1.15rem,2.2vw,1.6rem);color:var(--ink)}
.act__close strong{background:var(--accent);padding:.05em .3em;border-radius:8px;box-decoration-break:clone}

/* anatomy */
.anat{display:flex;align-items:center;margin:40px auto 0;max-width:820px;transform:rotate(-2deg)}
.anat__tab{flex:none;width:clamp(72px,12vw,120px);height:clamp(72px,12vw,120px);border-radius:16px;background:var(--ink);color:var(--accent);font-family:var(--f-jp);font-weight:900;font-size:clamp(.72rem,1.2vw,.95rem);display:flex;align-items:center;justify-content:center;text-align:center;padding:6px;line-height:1.3}
.anat__tape{flex:1;height:clamp(50px,8vw,80px);background:var(--tape);border-top:var(--bw) solid var(--ink);border-bottom:var(--bw) solid var(--ink);display:flex;align-items:center;justify-content:center;font-family:var(--f-jp);font-weight:900;color:var(--ink);font-size:clamp(.9rem,1.6vw,1.3rem)}

/* steps */
.steps{list-style:none;padding:0;margin:56px auto 0;display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.step{position:relative;background:#fff;border:var(--bw) solid var(--ink);border-radius:22px;box-shadow:0 0 0 5px #fff,0 0 0 8px var(--ink);padding:56px 24px 24px}
.step:nth-child(1){transform:rotate(-2deg)}.step:nth-child(2){transform:rotate(1.5deg) translateY(14px)}.step:nth-child(3){transform:rotate(-1deg)}
.step__n{position:absolute;left:18px;top:-20px;font-family:var(--f-en);font-weight:700;font-size:1.4rem;background:var(--accent2);color:#fff;border:3px solid var(--ink);border-radius:999px;padding:.05em .7em;transform:rotate(-8deg)}
.step h3{font-size:1.6rem;font-weight:900}
.step p{margin-top:8px;font-size:.95rem}

/* howto */
.howto{display:grid;grid-template-columns:minmax(0,520px) 1fr;gap:34px;align-items:end;margin-top:56px}
.slot--howto{aspect-ratio:1/1;transform:rotate(-2deg);background:#fff}
.slot--howto figcaption{background:var(--accent2);color:#fff;top:auto;bottom:12px;left:auto;right:14px;transform:rotate(4deg)}
@media (max-width:860px){.howto{grid-template-columns:1fr}}

/* numbers */
.nums{display:grid;grid-template-columns:1fr 1fr 1.2fr;gap:22px;margin-top:44px;align-items:end}
.num{background:#fff;border:var(--bw) solid var(--ink);border-radius:22px;box-shadow:0 0 0 5px #fff,0 0 0 8px var(--ink);padding:22px 22px 18px}
.num:nth-child(1){transform:rotate(-2deg)}.num:nth-child(2){transform:rotate(1.5deg)}.num--hot{background:var(--accent);transform:rotate(-1deg) scale(1.04)}
.num__v{display:block;font-family:var(--f-jp);font-weight:900;color:var(--ink);font-size:clamp(1.3rem,2.4vw,1.9rem);line-height:1}
.num__v b{font-family:var(--f-en);font-weight:700;font-size:clamp(3rem,7vw,6rem);letter-spacing:-.03em;line-height:.9;margin-right:.05em}
.num__k{display:block;margin-top:12px;font-size:.85rem;color:var(--muted);font-weight:700}
.kit{display:grid;grid-template-columns:.9fr 1.1fr;gap:40px;align-items:center;margin-top:70px}
.slot--sq{aspect-ratio:1/1;transform:rotate(3deg);max-width:440px}
.kit__tag{display:inline-block;font-family:var(--f-jp);font-weight:900;color:var(--ink);background:var(--accent);border:3px solid var(--ink);border-radius:999px;padding:.2em 1em;transform:rotate(-3deg);font-size:1.05rem}

/* eyes (before / after) */
.eyes{list-style:none;padding:0;margin:48px auto 0;display:grid;grid-template-columns:repeat(4,1fr);gap:26px 22px}
.eye-card{position:relative;background:#fff;border:var(--bw) solid var(--ink);border-radius:22px;box-shadow:0 0 0 5px #fff,0 0 0 8px var(--ink);padding:12px 12px 16px}
.eye-card:nth-child(1){transform:rotate(-2.5deg)}.eye-card:nth-child(2){transform:rotate(1.5deg) translateY(10px)}.eye-card:nth-child(3){transform:rotate(-1deg)}.eye-card:nth-child(4){transform:rotate(2deg) translateY(6px)}
.eye-card figure{margin:0;border:3px solid var(--ink);border-radius:14px;overflow:hidden;aspect-ratio:4/3;background:var(--tape)}
.eye-card figure img{width:100%;height:100%;object-fit:cover}
.eye-card__n{position:absolute;left:10px;top:-18px;font-family:var(--f-en);font-weight:700;font-size:1.15rem;background:#fff;border:3px solid var(--ink);border-radius:999px;padding:.02em .6em;transform:rotate(-8deg)}
.eye-card--hot .eye-card__n{background:var(--accent2);color:#fff}
.eye-card p{margin-top:12px;font-family:var(--f-jp);font-weight:900;color:var(--ink);font-size:1rem;line-height:1.3}
.eyes__note{margin-top:18px;font-size:.78rem;color:var(--ink);opacity:.75}
@media (max-width:860px){.eyes{grid-template-columns:1fr 1fr;gap:30px 18px}.eye-card p{font-size:.9rem}}

/* kit: real photo + round tools badge */
.kit__fig{position:relative;max-width:440px}
.slot--round{position:absolute;right:-6%;bottom:-8%;width:42%;aspect-ratio:1/1;border-radius:50%;transform:rotate(-8deg);background:#fff;box-shadow:0 0 0 5px #fff,0 0 0 8px var(--ink)}
.slot--round img{border-radius:50%;object-position:50% 100%;transform:scale(1.35);transform-origin:50% 92%}
@media (max-width:860px){.kit__fig{margin:0 auto 24px}}

/* big illuminate */
.big{margin-top:60px;font-family:var(--f-jp);font-weight:900;font-size:clamp(2rem,7vw,6.4rem);line-height:1.15;color:var(--ink);letter-spacing:-.01em}
.big .ch{opacity:.14;display:inline-block;transition:opacity .3s}
.big .ch.on{opacity:1}

/* final */
.fin{background:var(--ink);padding:16vh 5vw;color:#fff}
.fin__stick{max-width:760px;margin:0 auto;background:#fff;border:var(--bw) solid var(--ink);border-radius:30px;box-shadow:0 0 0 8px #fff,0 0 0 12px var(--accent);padding:48px 32px;text-align:left;transform:rotate(-1.5deg);color:var(--body)}
.fin__h{font-size:clamp(2.4rem,7vw,5rem);font-weight:900}
.fin__p{margin:18px 0 30px;font-family:var(--f-jp);font-weight:700;font-size:1.15rem;color:var(--ink)}
.foot{background:var(--ink);color:#fff;padding:24px 5vw 40px;font-size:.85rem;font-family:var(--f-jp);font-weight:700}
.foot__s{color:#aaa;font-size:.75rem;margin-top:6px;font-weight:400}

/* ---------- reveal ---------- */
.motion .in{opacity:0;transform:translateY(26px) rotate(0.001deg)}
.motion .in.is-in{opacity:1;transform:none;transition:opacity .7s ease,transform .8s cubic-bezier(.2,.8,.2,1)}
.motion .flip.in{transform:translateY(26px) rotate(0.001deg)}
.motion .flip.in.is-in:nth-child(1){transform:rotate(-3deg)}
.motion .flip.in.is-in:nth-child(2){transform:rotate(2deg) translateY(18px)}
.motion .flip.in.is-in:nth-child(3){transform:rotate(-1.5deg)}
.motion .slot--kv.in.is-in{transform:rotate(-3deg)}
.motion .hero__h1{opacity:0}
.motion .hero__h1.is-ready{opacity:1}

/* ---------- reduced motion: 全停止・全文可読 ---------- */
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .loader{display:none}
  .in,.hero__h1{opacity:1!important;transform:none!important}
  .big .ch{opacity:1}
  .eye__line{stroke-dashoffset:0}
  .flip__in{transition:none}
  .ribbon__in{animation:none;padding-left:0}
}
.no-motion .in,.no-motion .hero__h1{opacity:1;transform:none}
.no-motion .big .ch{opacity:1}
.no-motion .loader{display:none}

/* ---------- responsive ---------- */
@media (max-width:860px){
  .hero{grid-template-columns:1fr;grid-template-areas:"eyebrow" "h1" "stage" "copy" "kv" "ribbon";padding-top:96px}
  .hero__h1{font-size:clamp(2.4rem,12.6vw,9rem);white-space:nowrap}
  .hero__deco--a{top:auto;bottom:auto;right:4vw;top:84px;font-size:.9rem;padding:.1em .6em;box-shadow:0 0 0 3px #fff,0 0 0 5px var(--ink)}
  .hero__stage{height:220px}
  .hero__deco--b{display:none}
  .slot--kv{max-width:100%;margin:24px 0 40px}
  .flips,.steps,.nums{grid-template-columns:1fr;gap:34px}
  .flip{aspect-ratio:auto;height:230px}
  .flip:nth-child(2),.step:nth-child(2){transform:rotate(1.5deg)}
  .kit{grid-template-columns:1fr}
  .top .btn--s{display:none}
  .fin__stick{padding:34px 22px}
}