/* ==========================================================================
   AI NATIVE STUDIO — 名刺QRから開く営業体験
   外部ライブラリ・Webフォントを使わない。端末に載っている書体だけで組む。
   ========================================================================== */

:root{
  --ink:#0b0b0c;
  --ink-2:#141416;
  --ink-3:#1d1d20;
  --paper:#f2efe8;
  --paper-2:#e7e2d7;
  --vermilion:#cf3b2b;
  --gold:#b9922f;
  --gold-on-paper:#7d5f10;   /* 生成り地でも4.5:1を満たす濃い金 */
  --vermilion-on-paper:#b82f21; /* 生成り地でも4.5:1を満たす濃い朱 */
  --on-dark:#f2efe8;
  --on-dark-dim:#a5a099;
  --on-paper:#17171a;
  --on-paper-dim:#5d5a54;
  --line-dark:rgba(242,239,232,.14);
  --line-paper:rgba(23,23,26,.14);

  --mincho:"Hiragino Mincho ProN","Yu Mincho","YuMincho","Noto Serif JP",serif;
  --gothic:-apple-system,BlinkMacSystemFont,"Hiragino Sans","Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,monospace;

  --wrap:1080px;
  --pad:clamp(20px,5.5vw,48px);
  --r:14px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  margin:0;background:var(--ink);color:var(--on-dark);
  font-family:var(--gothic);font-size:16px;line-height:1.85;
  letter-spacing:.02em;overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img,video{max-width:100%;display:block}
a{color:inherit}
button{font:inherit;color:inherit;cursor:pointer}

:focus-visible{outline:2px solid var(--gold);outline-offset:3px}

.skip{position:absolute;left:-9999px;top:0;z-index:100;background:var(--gold);color:#000;padding:12px 18px}
.skip:focus{left:8px;top:8px}

.wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:var(--pad)}
.wrap--narrow{max-width:660px}
.br-sp{display:none}
@media (max-width:640px){.br-sp{display:inline}}

/* ---------- FV ---------- */
.hero{position:relative;min-height:100vh;min-height:100svh;display:flex;flex-direction:column;justify-content:flex-end;overflow:hidden}
.hero__media{position:absolute;inset:0;z-index:0}
.hero__video{width:100%;height:100%;object-fit:cover;object-position:center 38%;filter:saturate(1.05) contrast(1.03)}
.hero__scrim{
  position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(11,11,12,.72) 0%,rgba(11,11,12,.30) 26%,rgba(11,11,12,.72) 62%,var(--ink) 100%),
    radial-gradient(120% 80% at 50% 0%,transparent 40%,rgba(11,11,12,.55) 100%);
}
.hero__inner{position:relative;z-index:1;width:100%;max-width:var(--wrap);margin-inline:auto;
  padding:0 var(--pad) calc(clamp(40px,9vh,90px) + env(safe-area-inset-bottom))}
.hero__eyebrow{margin:0 0 18px;font-size:11px;letter-spacing:.34em;color:var(--on-dark-dim)}
.hero__eyebrow span{position:relative;padding-left:38px}
.hero__eyebrow span::before{content:"";position:absolute;left:0;top:.62em;width:26px;height:1px;background:var(--gold)}
.hero__title{
  margin:0;font-family:var(--mincho);font-weight:600;
  font-size:clamp(24px,6.4vw,52px);line-height:1.38;letter-spacing:.01em;
  text-shadow:0 2px 30px rgba(0,0,0,.6);
}
.hero__title em{font-style:normal;color:var(--gold);display:block;margin-top:.22em}
.hero__lead{margin:20px 0 0;font-size:clamp(13.5px,3.6vw,16px);line-height:1.9;color:#ddd8cf;text-shadow:0 1px 12px rgba(0,0,0,.7)}
.hero__cta{display:flex;gap:12px;margin-top:28px;flex-wrap:wrap}
.hero__note{margin:18px 0 0;font-size:11.5px;line-height:1.7;color:var(--on-dark-dim)}
.hero__down{position:absolute;left:50%;bottom:14px;z-index:1;translate:-50% 0}
.hero__down span{display:block;width:1px;height:34px;background:linear-gradient(180deg,transparent,var(--gold));animation:drop 2.2s ease-in-out infinite}
@keyframes drop{0%,100%{opacity:.25;transform:translateY(-6px)}50%{opacity:1;transform:translateY(4px)}}

/* ---------- ボタン ---------- */
.btn{
  display:inline-flex;flex-direction:column;align-items:center;justify-content:center;
  min-height:56px;padding:10px 26px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:700;letter-spacing:.04em;text-decoration:none;
  transition:transform .18s ease,background-color .18s ease,border-color .18s ease;
}
.btn__sub{display:block;font-size:10.5px;font-weight:500;letter-spacing:.12em;opacity:1;margin-top:1px}
.btn--primary{background:var(--vermilion);color:#fff;box-shadow:0 8px 30px rgba(207,59,43,.28)}
.btn--ghost{border-color:rgba(242,239,232,.4);color:var(--on-dark);backdrop-filter:blur(6px);background:rgba(11,11,12,.28)}
.btn--ghost .btn__sub{opacity:.8}
.btn--wide{width:100%}
@media (hover:hover){.btn:hover{transform:translateY(-2px)}.btn--ghost:hover{border-color:var(--gold)}}
.btn:active{transform:translateY(0) scale(.99)}

/* ---------- セクション ---------- */
.sec{padding:clamp(72px,13vw,128px) 0;position:relative}
.sec--tight{padding-top:clamp(20px,5vw,44px)}
.sec--dark{background:var(--ink);color:var(--on-dark)}
.sec--paper{background:var(--paper);color:var(--on-paper)}
.sec--paper + .sec--paper{padding-top:0}
.sec__no{margin:0 0 10px;font-family:var(--mono);font-size:11px;letter-spacing:.28em;color:var(--gold)}
.sec--paper .sec__no{color:var(--gold-on-paper)}
.sec__title{margin:0;font-family:var(--mincho);font-weight:600;font-size:clamp(27px,6.6vw,46px);line-height:1.35;letter-spacing:.02em}
.sec__lead{margin:16px 0 0;font-size:14.5px;line-height:1.95;color:var(--on-dark-dim);max-width:46em}
.sec--paper .sec__lead{color:var(--on-paper-dim)}

/* ---------- キャラクターガイド ---------- */
.guide{background:var(--ink);padding:0 0 clamp(28px,7vw,56px)}
.guide--turn{background:var(--ink);padding:clamp(48px,10vw,90px) 0 clamp(40px,8vw,72px)}
.guide__row{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:var(--pad);display:flex;gap:14px;align-items:flex-start}
.guide__face{width:58px;height:58px;border-radius:50%;flex:none;border:1px solid var(--line-dark);background:#000}
.guide__bubble{
  position:relative;background:var(--ink-2);border:1px solid var(--line-dark);
  border-radius:4px 16px 16px 16px;padding:16px 18px;flex:1;min-width:0;
}
.guide__line{margin:0;font-family:var(--mincho);font-size:clamp(16px,4.4vw,21px);line-height:1.6;letter-spacing:.04em}
.guide__choices{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.chip{
  background:transparent;border:1px solid rgba(185,146,47,.5);color:var(--on-dark);
  border-radius:999px;padding:11px 16px;font-size:13px;min-height:44px;
  transition:background-color .16s ease,border-color .16s ease;
}
@media (hover:hover){.chip:hover{background:rgba(185,146,47,.14);border-color:var(--gold)}}

/* ---------- フィルタ ---------- */
.filter{display:flex;gap:8px;flex-wrap:wrap;margin:30px 0 26px}
.filter__btn{
  background:transparent;border:1px solid var(--line-dark);color:var(--on-dark-dim);
  border-radius:999px;padding:10px 15px;font-size:12.5px;min-height:44px;letter-spacing:.04em;
  transition:color .16s ease,border-color .16s ease,background-color .16s ease;
}
.filter__btn.is-on{background:var(--on-dark);border-color:var(--on-dark);color:var(--ink);font-weight:700}
@media (hover:hover){.filter__btn:not(.is-on):hover{color:var(--on-dark);border-color:var(--on-dark-dim)}}

/* ---------- 作品グリッド ---------- */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:12px}
@media (min-width:560px){.grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px}}
.card{
  position:relative;background:var(--ink-2);border:1px solid var(--line-dark);border-radius:var(--r);
  overflow:hidden;display:flex;flex-direction:column;text-align:left;padding:0;
  transition:border-color .2s ease,transform .2s ease;
}
@media (hover:hover){.card:hover{border-color:rgba(185,146,47,.55);transform:translateY(-3px)}}
.card__shot{position:relative;aspect-ratio:4/5;background:var(--ink-3);overflow:hidden}
.card__shot img{width:100%;height:100%;object-fit:cover;object-position:top center}
.card--wide .card__shot{aspect-ratio:16/10}
.card__tags{position:absolute;left:10px;top:10px;display:flex;gap:6px;flex-wrap:wrap}
.tag{
  font-size:9.5px;letter-spacing:.1em;padding:4px 8px;border-radius:4px;
  background:rgba(11,11,12,.78);border:1px solid var(--line-dark);color:var(--on-dark-dim);backdrop-filter:blur(4px);
}
.tag--live{background:var(--vermilion);border-color:var(--vermilion);color:#fff;font-weight:700}
.card__body{padding:13px 13px 15px;display:flex;flex-direction:column;gap:6px;flex:1}
@media (min-width:560px){.card__body{padding:16px 16px 18px;gap:8px}}
.card__cat{margin:0;font-family:var(--mono);font-size:9.5px;letter-spacing:.16em;color:var(--gold);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.card__title{margin:0;font-family:var(--mincho);font-size:15.5px;line-height:1.45;font-weight:600}
@media (min-width:560px){.card__title{font-size:18px}}
.card__purpose{margin:0;font-size:12px;line-height:1.75;color:var(--on-dark-dim);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
@media (min-width:560px){.card__purpose{font-size:13px;-webkit-line-clamp:4}}
.card__more{margin-top:auto;padding-top:10px;font-size:11.5px;letter-spacing:.06em;color:var(--gold)}

/* ---------- 触れる ---------- */
.try{display:grid;gap:14px;margin-top:26px;grid-template-columns:repeat(auto-fit,minmax(290px,1fr))}
.try__panel{
  position:relative;border:1px solid var(--line-dark);border-radius:var(--r);overflow:hidden;background:var(--ink-2);
}
.try__cover{position:relative;width:100%;padding:0;border:0;background:none;display:block;text-align:left}
.try__cover img{width:100%;aspect-ratio:4/5;object-fit:cover;object-position:top center}
.try__veil{
  position:absolute;inset:0;display:flex;flex-direction:column;justify-content:flex-end;gap:6px;
  padding:18px;
  background:linear-gradient(180deg,rgba(11,11,12,.08) 8%,rgba(11,11,12,.62) 46%,rgba(11,11,12,.94) 78%,rgba(11,11,12,.99) 100%);
}
.try__name{margin:0;font-family:var(--mincho);font-size:19px;font-weight:600;text-shadow:0 1px 10px rgba(0,0,0,.8)}
.try__desc{margin:0;font-size:12.5px;line-height:1.7;color:#ccc7bf;text-shadow:0 1px 8px rgba(0,0,0,.8)}
.try__go{
  align-self:flex-start;margin-top:10px;background:var(--vermilion);color:#fff;
  border-radius:999px;padding:11px 20px;font-size:14px;font-weight:700;min-height:44px;
  display:inline-flex;align-items:center;gap:8px;
}
.try__frame{width:100%;aspect-ratio:9/15;border:0;display:block;background:#000}
.try__bar{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:10px 12px;border-top:1px solid var(--line-dark);font-size:12px;color:var(--on-dark-dim)}
.try__bar--top{border-top:0;border-bottom:1px solid var(--line-dark)}
.try__bar a,.try__bar button{color:var(--gold);background:none;border:0;text-decoration:underline;padding:10px;min-height:44px;display:inline-flex;align-items:center}

/* ---------- 映像 ---------- */
.reel{display:grid;gap:12px;margin-top:26px;grid-template-columns:repeat(auto-fit,minmax(150px,1fr))}
.yt{position:relative;border:1px solid var(--line-dark);border-radius:var(--r);overflow:hidden;background:var(--ink-2);padding:0;width:100%;display:flex;flex-direction:column;text-align:left}
/* サムネイル自体に題字が焼き込まれているので、説明は画像の外に置く */
.yt__shot{position:relative;display:block}
.yt img{width:100%;aspect-ratio:9/16;object-fit:cover;display:block}
.yt__play{
  position:absolute;left:50%;top:50%;translate:-50% -50%;
  width:56px;height:56px;border-radius:50%;background:rgba(207,59,43,.94);
  display:grid;place-items:center;box-shadow:0 6px 24px rgba(0,0,0,.5);
}
.yt__play::after{content:"";border-left:15px solid #fff;border-top:9px solid transparent;border-bottom:9px solid transparent;margin-left:4px}
.yt__cap{display:block;padding:11px 12px 13px}
.yt__t{display:block;font-family:var(--mincho);font-size:14px;line-height:1.45}
.yt__m{display:block;font-size:10.5px;color:var(--on-dark-dim);margin-top:4px}
.yt iframe{width:100%;aspect-ratio:9/16;border:0;display:block}

/* ---------- 業種 ---------- */
.pills{display:flex;flex-wrap:wrap;gap:8px;margin:28px 0 0}
.pill{
  background:transparent;border:1px solid var(--line-paper);color:var(--on-paper);
  border-radius:999px;padding:11px 18px;font-size:14px;min-height:46px;
  transition:background-color .16s ease,border-color .16s ease,color .16s ease;
}
.pill.is-on{background:var(--ink);border-color:var(--ink);color:var(--paper);font-weight:700}
@media (hover:hover){.pill:not(.is-on):hover{border-color:var(--on-paper)}}
.fit{margin-top:24px}
.fit__card{background:#fff;border:1px solid var(--line-paper);border-radius:var(--r);padding:clamp(20px,5vw,32px)}
.fit__problem{margin:0 0 20px;font-family:var(--mincho);font-size:clamp(17px,4.6vw,22px);line-height:1.6;font-weight:600}
.fit__problem span{display:block;font-family:var(--gothic);font-size:11px;letter-spacing:.2em;color:var(--vermilion);margin-bottom:8px;font-weight:700}
.fit__list{list-style:none;margin:0;padding:0;display:grid;gap:1px;background:var(--line-paper);border:1px solid var(--line-paper);border-radius:8px;overflow:hidden}
.fit__list li{background:#fff;padding:14px 16px;display:grid;grid-template-columns:88px 1fr;gap:12px;align-items:start}
.fit__k{font-size:11.5px;font-weight:700;letter-spacing:.06em;color:var(--vermilion);padding-top:2px}
.fit__v{font-size:13.5px;line-height:1.8;color:var(--on-paper)}
.fit__gain{margin:20px 0 0;padding-top:18px;border-top:1px solid var(--line-paper);font-size:14px;line-height:1.85;font-weight:700}
.fit__cta{margin-top:20px}
@media (max-width:420px){.fit__list li{grid-template-columns:1fr;gap:4px}}

/* ---------- 条件 ---------- */
.terms{margin:28px 0 0;display:grid;gap:1px;background:var(--line-paper);border:1px solid var(--line-paper);border-radius:var(--r);overflow:hidden}
.terms__item{background:var(--paper);padding:18px 20px;display:grid;grid-template-columns:130px 1fr;gap:16px}
.terms dt{font-size:13px;font-weight:700;letter-spacing:.04em}
.terms dd{margin:0;font-size:13.5px;line-height:1.85;color:var(--on-paper-dim)}
.terms__todo{background:rgba(207,59,43,.08);border-left:3px solid var(--vermilion);padding:12px 14px;border-radius:4px;color:var(--on-paper)}
@media (max-width:560px){.terms__item{grid-template-columns:1fr;gap:6px}}

.proof{margin-top:30px;border:1px solid var(--line-paper);border-radius:var(--r);padding:clamp(20px,5vw,28px);background:#fff}
.proof__label{margin:0 0 16px;font-family:var(--mono);font-size:11px;letter-spacing:.24em;color:var(--gold-on-paper)}
.proof__list{list-style:none;margin:0;padding:0;display:grid;gap:14px}
.proof__list li{display:grid;grid-template-columns:auto 1fr;gap:14px;align-items:baseline}
.proof__list b{font-family:var(--mincho);font-size:clamp(20px,5vw,26px);white-space:nowrap;letter-spacing:.01em}
.proof__list span{font-size:13px;line-height:1.75;color:var(--on-paper-dim)}
.proof__note{margin:18px 0 0;font-size:11.5px;line-height:1.7;color:var(--on-paper-dim)}

/* ---------- フォーム ---------- */
.form{margin-top:30px}
.field{margin-bottom:20px}
.field label{display:block;font-size:13px;font-weight:700;margin-bottom:8px}
.req{display:inline-block;margin-left:6px;font-size:10.5px;font-weight:700;letter-spacing:.1em;color:var(--vermilion-on-paper);border:1px solid currentColor;border-radius:3px;padding:1px 5px;vertical-align:1px}
.field input,.field textarea{
  width:100%;background:#fff;border:1px solid var(--line-paper);border-radius:8px;
  padding:14px;font:inherit;font-size:16px;color:var(--on-paper);line-height:1.7;
}
.field textarea{resize:vertical;min-height:120px}
.field input:focus,.field textarea:focus{outline:2px solid var(--gold);outline-offset:1px;border-color:transparent}
.field.is-bad input,.field.is-bad textarea{border-color:var(--vermilion);background:rgba(207,59,43,.04)}
.err{margin:7px 0 0;font-size:12.5px;color:var(--vermilion-on-paper);font-weight:700;min-height:0}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form__status{margin:16px 0 0;font-size:13.5px;line-height:1.8;min-height:1.8em}
.form__status.is-ok{color:#1c7a4a;font-weight:700}
.form__status.is-ng{color:var(--vermilion);font-weight:700}
.form__alt{margin:14px 0 0;font-size:12.5px;line-height:1.8;color:var(--on-paper-dim)}
.privacy-note{margin:0 0 20px;padding:13px 15px;background:rgba(23,23,26,.045);border-radius:8px;
  font-size:12.5px;line-height:1.85;color:var(--on-paper-dim)}
.privacy-note strong{color:var(--on-paper)}
.privacy-note a{color:var(--on-paper);text-underline-offset:3px;display:inline-flex;align-items:center;min-height:44px}
.form__alt a{color:var(--on-paper);text-underline-offset:3px}

/* ---------- LAB / footer ---------- */
#lab .sec__lead time{font-family:var(--mono);font-size:13px}
.foot{background:var(--ink);color:var(--on-dark-dim);padding:52px 0 60px;border-top:1px solid var(--line-dark)}
.foot__mark{margin:0;font-family:var(--mono);font-size:11px;letter-spacing:.3em;color:var(--gold)}
.foot__note{margin:14px 0 0;font-size:11.5px;line-height:1.8}
.foot__links{margin:14px 0 0;font-size:12.5px}
.foot__links a{color:var(--on-dark);text-underline-offset:3px;display:inline-flex;align-items:center;min-height:44px;padding:0 2px}
.foot__links span{margin:0 10px;color:var(--on-dark-dim)}

/* ---------- モーダル ---------- */
.modal{
  width:min(920px,100vw);max-width:100vw;height:100vh;height:100svh;max-height:100svh;
  margin:0 auto;padding:0;border:0;background:var(--ink);color:var(--on-dark);
}
.modal::backdrop{background:rgba(0,0,0,.78)}
.modal__bar{
  position:sticky;top:0;z-index:2;display:flex;justify-content:space-between;align-items:center;gap:12px;
  padding:12px calc(16px + env(safe-area-inset-right)) 12px calc(16px + env(safe-area-inset-left));
  background:rgba(11,11,12,.94);border-bottom:1px solid var(--line-dark);backdrop-filter:blur(8px);
}
.modal__title{margin:0;font-family:var(--mincho);font-size:16px;font-weight:600;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.modal__close{background:none;border:1px solid var(--line-dark);border-radius:999px;padding:10px 14px;font-size:12.5px;min-height:44px;flex:none}
.modal__body{padding:0 0 calc(40px + env(safe-area-inset-bottom));overflow-y:auto;height:calc(100vh - 65px);height:calc(100svh - 65px);-webkit-overflow-scrolling:touch}
/* dialogが使えない端末向けの代替表示 */
.modal--fallback{position:fixed;inset:0;z-index:60;display:block}
.detail__shot{width:100%;background:var(--ink-3)}
.detail__in{padding:22px var(--pad) 0}
.detail__cat{margin:0;font-family:var(--mono);font-size:10.5px;letter-spacing:.22em;color:var(--gold)}
.detail__title{margin:8px 0 4px;font-family:var(--mincho);font-size:clamp(22px,5.6vw,30px);line-height:1.4;font-weight:600}
.detail__meta{margin:0 0 22px;font-size:11.5px;color:var(--on-dark-dim)}
.detail__blocks{display:grid;gap:1px;background:var(--line-dark);border:1px solid var(--line-dark);border-radius:var(--r);overflow:hidden}
.detail__b{background:var(--ink-2);padding:16px 18px}
.detail__k{margin:0 0 6px;font-size:11px;font-weight:700;letter-spacing:.14em;color:var(--gold)}
.detail__v{margin:0;font-size:13.5px;line-height:1.9;color:#ddd8cf}
.detail__b--biz{background:rgba(207,59,43,.1)}
.detail__b--biz .detail__k{color:#ff9f92}
.detail__actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}

/* ---------- スクロール表示 ---------- */
[data-rise]{opacity:0;transform:translateY(16px)}
[data-rise].is-in{opacity:1;transform:none;transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1)}
@media (prefers-reduced-motion:reduce){
  [data-rise],[data-rise].is-in{opacity:1;transform:none;transition:none}
  .hero__down span{animation:none}
}