/* サブマシーン 紹介LP — custom-studio-pink / 明るい基調 × マゼンタ × 紫 */

:root{
  --bg:#fffafc; --bg2:#fff; --tint:#fdf3f8; --card:#fff;
  --ink:#1b1220; --body:#5f5060; --muted:#9a8b99;
  --line:rgba(27,18,32,.08);
  --pink:#ff2d8f; --pink-lt:#ff7ab8; --purple:#8b5cf6; --purple-lt:#c4b5fd;
  --grad:linear-gradient(135deg,#ff2d8f 0%,#b44bd6 55%,#8b5cf6 100%);
  --wrap:1080px; --narrow:720px;
  --min:"Shippori Mincho B1",serif;
  --jp:"Noto Sans JP",system-ui,sans-serif;
  --ease:cubic-bezier(.16,1,.3,1);
  --r:18px;
}

*,*::before,*::after{box-sizing:border-box}
html{overflow-x:clip;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--body);
  font-family:var(--jp);font-weight:400;font-size:16px;line-height:1.95;letter-spacing:.02em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
h1,h2,h3{margin:0;color:var(--ink);line-height:1.5;font-weight:700}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}

.wrap{max-width:var(--wrap);margin:0 auto;padding:0 22px}
.wrap--narrow{max-width:var(--narrow)}
.p--c{text-align:center}
.p--small{font-size:14px;color:var(--muted)}

/* ---------- 読了バー ---------- */
.progress{position:fixed;top:0;left:0;right:0;height:3px;z-index:100;pointer-events:none}
.progress i{display:block;height:100%;width:0;background:var(--grad)}

/* ---------- 固定バナー ---------- */
.bar{
  position:fixed;top:0;left:0;right:0;z-index:90;
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:11px 20px;background:rgba(255,255,255,.86);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transform:translateY(-110%);transition:transform .5s var(--ease);
}
.bar.is-on{transform:none}
.bar__name{font-weight:900;color:var(--ink);font-size:15px;letter-spacing:.04em}

/* ---------- ボタン ---------- */
.btn{
  display:inline-block;text-decoration:none;color:#fff;background:var(--grad);
  font-weight:700;font-size:16px;letter-spacing:.06em;
  padding:17px 38px;border-radius:999px;
  box-shadow:0 10px 30px rgba(255,45,143,.28);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.btn:hover{transform:translateY(-3px);box-shadow:0 16px 40px rgba(255,45,143,.38)}
.btn--sm{font-size:12px;padding:10px 18px;box-shadow:0 6px 18px rgba(255,45,143,.24);white-space:nowrap}
.btn--lg{font-size:18px;padding:22px 52px}
.note{margin-top:15px;font-size:12px;color:var(--muted)}

.lv{
  font-size:11px;letter-spacing:.34em;font-weight:700;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;
  color:transparent;-webkit-text-fill-color:transparent;margin-bottom:14px;
}
.eyebrow{font-size:12px;letter-spacing:.3em;color:var(--pink);font-weight:700;margin-bottom:22px}

/* ---------- 背景のにじみ ---------- */
.blob{position:absolute;border-radius:50%;filter:blur(70px);pointer-events:none;z-index:0}
.blob--a{width:44vw;height:44vw;max-width:520px;max-height:520px;left:-10vw;top:-6vh;background:rgba(255,45,143,.22)}
.blob--b{width:38vw;height:38vw;max-width:460px;max-height:460px;right:-8vw;top:14vh;background:rgba(139,92,246,.20)}
.blob--c{width:34vw;height:34vw;max-width:420px;max-height:420px;left:24vw;bottom:-10vh;background:rgba(255,122,184,.18)}
.blob--d{width:50vw;height:50vw;max-width:560px;max-height:560px;left:50%;top:-18%;transform:translateX(-50%);background:rgba(255,45,143,.16)}
html.motion .blob{animation:drift 16s ease-in-out infinite alternate}
html.motion .blob--b{animation-duration:20s;animation-delay:-4s}
html.motion .blob--c{animation-duration:24s;animation-delay:-8s}
@keyframes drift{to{transform:translate(4%,5%) scale(1.09)}}
html.motion .blob--d{animation:none}

/* ================= HERO ================= */
.hero{position:relative;overflow:clip;padding:120px 0 72px;text-align:center}
.hero__in{position:relative;z-index:2;max-width:940px;margin:0 auto;padding:0 22px}
.hero__h{
  font-family:var(--min);font-weight:700;
  font-size:clamp(30px,6.2vw,62px);line-height:1.42;letter-spacing:.01em;
}
.hero__h em{
  font-style:normal;position:relative;white-space:nowrap;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;
  color:transparent;-webkit-text-fill-color:transparent;
}
.hero__h em::after{
  content:"";position:absolute;left:0;right:0;bottom:.06em;height:.16em;
  background:linear-gradient(90deg,rgba(255,45,143,.28),rgba(139,92,246,.28));border-radius:99px;z-index:-1;
}
.hero__lead{margin-top:26px;font-size:clamp(14px,1.9vw,17px);color:var(--body)}
.hero__tags{margin-top:26px;display:flex;flex-wrap:wrap;gap:8px;justify-content:center}
.tag{
  font-size:12px;font-weight:700;color:var(--body);background:#fff;
  border:1px solid var(--line);border-radius:999px;padding:7px 15px;
}
.tag--on{color:#fff;background:var(--grad);border-color:transparent}
.hero__shot{margin:42px auto 0;max-width:900px}
.hero__shot img{
  border-radius:var(--r);border:1px solid var(--line);
  box-shadow:0 30px 70px rgba(27,18,32,.13);
}

/* ================= セクション ================= */
.sec{padding:92px 0;position:relative}
.sec--tint{background:var(--tint)}
.h2{font-size:clamp(22px,3.4vw,34px);letter-spacing:.02em;margin-bottom:30px;line-height:1.55}
.h2--c{text-align:center}
.h2 em{
  font-style:normal;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;
  color:transparent;-webkit-text-fill-color:transparent;
}

/* ---------- 悩み ---------- */
.hi{text-align:center;color:var(--muted);font-size:14px;margin-bottom:16px}
.pains{display:grid;gap:12px;max-width:560px;margin:0 auto}
.pains li{
  background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:16px 20px 16px 48px;position:relative;color:var(--ink);font-weight:500;
  box-shadow:0 6px 18px rgba(27,18,32,.04);
}
.pains li::before{
  content:"";position:absolute;left:20px;top:50%;transform:translateY(-50%);
  width:9px;height:9px;border-radius:50%;background:var(--pink-lt);
}
.turn{margin-top:36px;text-align:center;font-size:clamp(17px,2.4vw,23px);color:var(--ink);line-height:1.8}
.turn b{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;-webkit-text-fill-color:transparent;font-weight:900}
.turn--2{margin-top:14px;font-weight:700}
.note--soft{margin-top:22px;color:var(--muted);font-size:14px}

/* ---------- 画像 ---------- */
.shot{margin:0;border-radius:var(--r);overflow:hidden;border:1px solid var(--line);background:#fff}
.shot img{width:100%;height:auto;display:block}
.shot--wide{margin:0 auto 34px;max-width:900px;box-shadow:0 22px 56px rgba(27,18,32,.1)}
html.motion .shot{transition:transform .6s var(--ease),box-shadow .6s var(--ease)}
html.motion .shot:hover{transform:translateY(-5px);box-shadow:0 30px 70px rgba(27,18,32,.16)}
.gallery{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}

/* ---------- できること ---------- */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:38px}
.cards li{
  position:relative;overflow:hidden;background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:20px 20px 20px 48px;color:var(--ink);font-weight:500;font-size:15px;line-height:1.8;
  box-shadow:0 6px 18px rgba(27,18,32,.04);cursor:default;
  transition:transform .35s var(--ease),box-shadow .35s var(--ease);
}
.cards li::before{
  content:"";position:absolute;left:20px;top:24px;
  width:12px;height:7px;border-left:2.5px solid var(--pink);border-bottom:2.5px solid var(--pink);
  transform:rotate(-45deg);
}
html.motion .cards li:hover{transform:translateY(-4px);box-shadow:0 16px 36px rgba(255,45,143,.14)}
.pull{
  background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:30px 28px;
  display:grid;gap:14px;box-shadow:0 10px 30px rgba(27,18,32,.05);
}
.pull b{color:var(--ink);font-weight:900}

/* ---------- 3ステップ ---------- */
.steps{display:grid;gap:18px}
.step{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r);
  padding:30px 28px 28px 28px;box-shadow:0 10px 30px rgba(27,18,32,.05);
}
.step__n{
  position:absolute;left:28px;top:-16px;width:34px;height:34px;border-radius:50%;
  background:var(--grad);color:#fff;font-weight:900;font-size:15px;
  display:grid;place-items:center;box-shadow:0 8px 20px rgba(255,45,143,.3);
}
.step__h{margin:14px 0 14px;font-size:19px}
.step .p{margin-bottom:10px}
.mini{display:grid;gap:6px;margin:12px 0 14px}
.mini li{position:relative;padding-left:18px;font-size:14px;color:var(--body)}
.mini li::before{content:"";position:absolute;left:2px;top:.72em;width:7px;height:1.5px;background:var(--pink-lt)}

/* ---------- 流れ ---------- */
.flow{counter-reset:f;display:grid;gap:2px;background:var(--line);border-radius:var(--r);overflow:hidden;margin-bottom:34px}
.flow li{counter-increment:f;background:#fff;padding:24px 26px 24px 70px;position:relative}
.flow li::before{
  content:counter(f);position:absolute;left:26px;top:26px;
  width:28px;height:28px;border-radius:50%;background:var(--tint);color:var(--pink);
  font-weight:900;font-size:13px;display:grid;place-items:center;
}
.flow h3{font-size:17px;margin-bottom:8px}
.flow p{font-size:15px;line-height:1.9}

/* ---------- AI ---------- */
.ai{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:center}
.ai__h{font-size:18px;margin:0 0 10px}
.ai__t .p{margin-bottom:22px}
.ai__t .p--small{margin-bottom:0}

/* ---------- 確認 ---------- */
.checks{display:grid;gap:10px;max-width:560px;margin:24px auto}
.checks li{
  background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:15px 18px 15px 46px;position:relative;color:var(--ink);font-size:15px;
}
.checks li::before{
  content:"";position:absolute;left:19px;top:50%;margin-top:-4px;
  width:11px;height:6px;border-left:2.5px solid var(--purple);border-bottom:2.5px solid var(--purple);
  transform:rotate(-45deg);
}

/* ---------- FAQ ---------- */
.faq{display:grid;gap:10px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;box-shadow:0 6px 18px rgba(27,18,32,.04)}
.faq summary{cursor:pointer;list-style:none;padding:18px 52px 18px 22px;position:relative;font-weight:700;color:var(--ink)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after,.faq summary::before{content:"";position:absolute;right:22px;top:50%;background:var(--pink);transition:transform .35s ease,opacity .35s ease}
.faq summary::after{width:13px;height:2px;margin-top:-1px}
.faq summary::before{width:2px;height:13px;right:27px;margin-top:-6px}
.faq details[open] summary::before{opacity:0;transform:rotate(90deg)}
.faq p{padding:0 22px 22px;font-size:15px;line-height:1.95;color:var(--body)}

/* ---------- さいごに ---------- */
.whisper{color:var(--muted);font-size:15px;line-height:2.2;margin:18px 0}
.strong{margin-top:24px;font-size:clamp(16px,2.2vw,20px);color:var(--ink);line-height:1.85}
.strong b{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;-webkit-text-fill-color:transparent;font-weight:900}
#last .p--c{margin-bottom:12px}

/* ---------- 最終CTA ---------- */
.cta{position:relative;overflow:clip;padding:104px 0 112px;text-align:center;background:var(--bg2);border-top:1px solid var(--line)}
.cta .wrap{position:relative;z-index:2}
.cta__lv{font-size:11px;letter-spacing:.3em;font-weight:900;color:var(--pink);margin-bottom:18px}
.cta__h{font-family:var(--min);font-size:clamp(24px,4.6vw,44px);line-height:1.5;margin-bottom:24px}
.cta__h em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;-webkit-text-fill-color:transparent}
.cta__btn{margin-top:36px}

/* ---------- フッター ---------- */
.foot{background:var(--bg);padding:52px 0;text-align:center;border-top:1px solid var(--line)}
.foot__name{color:var(--ink);font-weight:700}
.foot__c{margin-top:10px;font-size:11px;color:var(--muted);letter-spacing:.14em}

/* ---------- 波紋（シグネチャー） ---------- */
.ripple{
  position:absolute;border-radius:50%;pointer-events:none;
  background:radial-gradient(circle,rgba(255,45,143,.28),rgba(139,92,246,.06) 70%,transparent 72%);
  transform:translate(-50%,-50%) scale(0);animation:rip .7s var(--ease) forwards;
}
@keyframes rip{to{transform:translate(-50%,-50%) scale(1);opacity:0}}

/* ---------- 出現 ---------- */
.reveal{opacity:1}
html.motion .reveal{opacity:0;transform:translateY(26px)}
html.motion .reveal.is-in{opacity:1;transform:none;transition:opacity .9s ease,transform .9s var(--ease)}

/* ================= SP ================= */
@media (max-width:860px){
  .hero{padding:104px 0 56px}
  .sec{padding:66px 0}
  .cta{padding:80px 0 88px}
  .cards{grid-template-columns:1fr}
  .gallery{grid-template-columns:1fr;gap:14px}
  .ai{grid-template-columns:1fr;gap:24px}
  .flow li{padding:20px 20px 20px 60px}
  .flow li::before{left:18px;top:22px}
  .step{padding:26px 20px 24px}
  .step__n{left:20px}
  .pull{padding:24px 20px}
  .bar{padding:10px 14px}
  .bar__name{font-size:13px}
  .btn--lg{font-size:16px;padding:19px 34px}
}

/* ================= 動きを減らす ================= */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
  html.motion .reveal{opacity:1!important;transform:none!important}
  .bar{transform:none}
  .ripple{display:none}
}