/* SMUUL survey LP — mobile-first, single column (max 640px). Palette sampled from the client's LP (resale.css). */
:root{
  --teal:#00c2bb; --teal-dark:#00a9a3; --teal-soft:#e5f8f7;
  --orange:#ff8a00; --orange-soft:#fff3e3; --orange-ink:#b35f00;
  --yellow:#fff600; --yellow-soft:#fef793;
  --green:#22b14c; --green-dark:#178f3d;
  --ink:#263236; --muted:#6b7a85; --line:#dfe6ea; --bg:#eef2f4; --card:#fff;
  --font:"Noto Sans JP","Hiragino Sans","Hiragino Kaku Gothic ProN",Meiryo,system-ui,sans-serif;
  --max:640px; --radius:14px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
button{font:inherit;color:inherit}
a{color:var(--teal-dark)}
[hidden]{display:none !important}
.lp{max-width:var(--max);margin:0 auto;min-height:100dvh;background:var(--card);box-shadow:0 0 30px rgba(0,0,0,.06);display:flex;flex-direction:column}

/* top bar (persists on every screen) */
.bar{position:sticky;top:0;z-index:10;display:flex;align-items:center;gap:10px;padding:8px 14px;background:#fff;border-bottom:1px solid var(--line);font-size:12px}
.bar__brand{font-weight:900;letter-spacing:.08em;color:var(--teal-dark);font-size:15px}
.bar__count{color:var(--muted);white-space:nowrap}
.bar__gift{margin-left:auto;background:var(--orange-soft);color:var(--orange-ink);border-radius:999px;padding:3px 10px;font-weight:700;white-space:nowrap}
.bar__gift small{font-weight:400;margin-left:2px}

/* hero (first screen only) */
.hero{position:relative;background:#cfd8dc url("../img/hero.jpg") center 30%/cover no-repeat;min-height:320px;display:flex;align-items:flex-end}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(255,255,255,.35) 0%,rgba(255,255,255,.88) 60%,#fff 100%)}
.hero__inner{position:relative;padding:36px 20px 16px;width:100%;text-align:center}
.hero__lead{margin:0 0 6px;font-size:13px;font-weight:700;color:var(--teal-dark);letter-spacing:.04em}
.hero__title{margin:0 0 14px;font-size:26px;line-height:1.35;font-weight:900}
.marker{background:linear-gradient(transparent 55%,var(--yellow-soft) 55%);padding:0 2px}

/* gift band */
.gift{display:flex;flex-direction:column;align-items:center;gap:2px;background:#fff;border:2px solid var(--orange);border-radius:var(--radius);padding:12px 14px;text-align:center}
.gift__label{font-size:12px;font-weight:700;color:var(--muted)}
.gift__main{font-size:17px;font-weight:900;line-height:1.3}
.gift__main b{font-size:34px;color:var(--orange);margin:0 2px;font-weight:900}
.gift__main small{font-size:14px;color:var(--orange);font-weight:900;margin-right:4px}
.gift__sub{font-size:15px;font-weight:900;color:var(--orange)}
.gift__note{font-size:11px;color:var(--muted)}
.gift--thanks{margin:18px 0 20px;padding:18px 16px;background:var(--orange-soft)}

/* progress pills */
.steps{list-style:none;margin:0;padding:14px 16px 0;display:flex;justify-content:center;gap:12px}
.steps li{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;font-size:12px;font-weight:700;background:#f1f4f6;color:#b0bcc4;transition:all .2s}
.steps li.is-active{background:var(--teal);color:#fff;transform:scale(1.15);box-shadow:0 4px 12px rgba(0,194,187,.35)}
.steps li.is-done{background:var(--teal-soft);color:var(--teal-dark)}

/* screens */
.screens{flex:1}
.screen{display:none;padding:18px 16px 36px}
.screen.is-active{display:block;animation:fadeIn .45s ease both}
.screen.is-leaving{animation:fadeOut .18s ease both}
@keyframes fadeIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
@keyframes fadeOut{to{opacity:0}}
.q__num{display:inline-block;margin:0 0 8px;padding:3px 14px;border-radius:999px;background:var(--teal);color:#fff;font-weight:900;font-size:14px;letter-spacing:.06em;line-height:1.6}
.q__text{margin:0 0 16px;font-size:21px;line-height:1.5;font-weight:900}

/* answer options */
.options{display:grid;gap:12px;margin:0 0 14px}
.option{position:relative;display:flex;align-items:center;gap:12px;width:100%;padding:16px 16px 16px 14px;background:#fff;border:2px solid var(--line);border-radius:var(--radius);text-align:left;font-size:16px;font-weight:700;line-height:1.4;cursor:pointer;transition:border-color .15s,background .15s,transform .1s;-webkit-tap-highlight-color:transparent}
.option::before{content:"";flex:0 0 24px;width:24px;height:24px;border:2px solid #c3ced5;border-radius:6px;background:#fff;transition:all .15s}
.option:active{transform:scale(.99)}
.option.is-selected{border-color:var(--teal);background:var(--teal-soft)}
.option.is-selected::before{border-color:var(--teal);background:var(--teal) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='none' stroke='%23fff' stroke-width='3.2' stroke-linecap='round' stroke-linejoin='round' d='M5 12.5l4.5 4.5L19 7.5'/%3E%3C/svg%3E") center/70% no-repeat}
.option:disabled{cursor:default}
.option:focus-visible{outline:3px solid rgba(0,194,187,.5);outline-offset:2px}

/* reference figure (Q2) */
.ref{margin:0 0 16px;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);background:#f7f9fa}
.ref img{width:100%;aspect-ratio:490/368;object-fit:cover}
.ref figcaption{padding:6px 10px;font-size:11px;color:var(--muted);text-align:center}

/* video gate */
.screen--video{text-align:center}
.video__lead{margin:4px 0 12px;font-weight:700}
.video__lead b{color:var(--orange)}
.video__frame{position:relative;margin:0 auto;width:min(100%,340px);aspect-ratio:9/16;background:#0f1a1f;border-radius:var(--radius);overflow:hidden;box-shadow:0 10px 30px rgba(0,0,0,.18)}
.video__frame video{width:100%;height:100%;object-fit:cover;display:block}
.video__play{position:absolute;inset:0;margin:auto;width:200px;height:56px;border:0;border-radius:999px;background:rgba(255,255,255,.95);font-weight:900;font-size:16px;cursor:pointer;box-shadow:0 6px 18px rgba(0,0,0,.3)}
.video__mute{position:absolute;left:10px;bottom:10px;border:0;border-radius:999px;padding:6px 12px;background:rgba(0,0,0,.55);color:#fff;font-size:12px;font-weight:700;cursor:pointer}
.video__note{margin:12px 0 10px;font-size:13px;color:var(--muted)}

/* storyboard placeholder — used until assets/video/movie.mp4 exists */
.storyboard{position:absolute;inset:0;background:linear-gradient(160deg,#00c2bb 0%,#0092a8 55%,#263236 100%);color:#fff}
.storyboard p{position:absolute;inset:0;margin:0;display:grid;place-items:center;padding:28px 20px;font-size:17px;line-height:1.8;font-weight:700;text-align:center;opacity:0;transition:opacity .5s}
.storyboard p b{color:var(--yellow);font-size:1.2em}
.storyboard p.is-on{opacity:1}
.storyboard::after{content:"※動画差し替え前の仮表示（台本）";position:absolute;left:0;right:0;bottom:8px;font-size:10px;text-align:center;opacity:.7}

/* buttons */
.btn{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;border:0;border-radius:999px;padding:16px 18px;font-weight:900;font-size:17px;text-decoration:none;cursor:pointer}
.btn--ghost{background:#fff;border:2px solid var(--line);color:var(--ink);font-size:15px;padding:12px;animation:fadeIn .3s ease both}
.btn--cv{position:relative;background:linear-gradient(180deg,#2cc45a 0%,var(--green) 55%,var(--green-dark) 100%);color:#fff;box-shadow:0 8px 20px rgba(34,177,76,.35),inset 0 -3px 0 rgba(0,0,0,.15);padding:18px 44px 18px 20px;animation:pulse 2.2s ease-in-out infinite}
.btn__free{display:flex;flex-direction:column;align-items:center;line-height:1;color:var(--yellow);font-size:20px}
.btn__free small{font-size:9px;letter-spacing:.1em}
.btn__label{font-size:18px}
.btn__arrow{position:absolute;right:18px;top:50%;transform:translateY(-52%);font-size:24px;opacity:.9}
@keyframes pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.025)}}
.cv__sub{margin:10px 0 14px;text-align:center;font-size:13px;font-weight:700;color:var(--teal-dark)}

/* thanks */
.screen--thanks{text-align:center}
.thanks__check{width:56px;height:56px;margin:6px auto 10px;border-radius:50%;background:var(--teal);color:#fff;font-size:30px;font-weight:900;display:grid;place-items:center}
.thanks__title{margin:0;font-size:22px;font-weight:900;line-height:1.45}
.assure{list-style:none;margin:0 0 16px;padding:14px 16px;background:#f7f9fa;border-radius:var(--radius);text-align:left;font-size:14px;display:grid;gap:6px}
.assure li{padding-left:26px;position:relative}
.assure li::before{content:"✓";position:absolute;left:4px;color:var(--teal);font-weight:900}

/* notes / footer */
.notice{margin:10px 0 0;font-size:11px;line-height:1.6;color:var(--muted)}
.foot{padding:20px 16px 28px;display:flex;justify-content:center;gap:16px;flex-wrap:wrap;font-size:12px;color:var(--muted);border-top:1px solid var(--line)}
.foot a{color:var(--muted)}
.foot small{width:100%;text-align:center}

@media (min-width:641px){.hero{min-height:360px}.q__text{font-size:23px}}
@media (prefers-reduced-motion:reduce){.btn--cv{animation:none}.screen.is-active{animation:none}}