:root{
  --bg:#0b0d0e; --bg2:#14191b; --panel:#1b2427; --line:#2c3a3d;
  --text:#f2eee8; --muted:#a9b0b1; --gold:#c9a96a; --wine:#8e2f43; --rose:#e3c4c9;
  --line-green:#06c755;
  --serif:"Noto Serif JP","Hiragino Mincho ProN","Yu Mincho",serif;
  --sans:"Noto Sans JP","Hiragino Sans","Yu Gothic",sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{background:#050606;color:var(--text);font-family:var(--sans);line-height:1.8;font-size:16px}
img,video{display:block;max-width:100%;height:auto}
a{color:inherit}
main,.footer,.eventbar{max-width:520px;margin:0 auto}
main{background:var(--bg);overflow:hidden}

.eventbar{background:var(--gold);color:#16120a;text-align:center;font-size:12px;font-weight:700;padding:6px 12px;letter-spacing:.04em}

/* buttons */
.btn{display:flex;align-items:center;justify-content:center;min-height:52px;padding:0 24px;border-radius:999px;font-weight:700;font-size:16px;text-decoration:none;letter-spacing:.04em}
.btn--line{background:var(--line-green);color:#fff;box-shadow:0 6px 20px rgba(6,199,85,.25)}
.btn--line:active{transform:translateY(1px)}
.btn--lg{min-height:60px;font-size:18px}
.btn:focus-visible,summary:focus-visible,.card:focus-visible{outline:3px solid var(--gold);outline-offset:3px}

/* hero */
.hero{position:relative}
.hero__media{position:relative;height:60svh;min-height:380px;max-height:560px;overflow:hidden;background:#000}
.hero__media picture,.hero__media img,.hero__media video{position:absolute;inset:0;width:100%;height:100%}
.hero__media img{object-fit:cover;object-position:50% 25%}
.hero__media video{object-fit:cover;object-position:50% 70%;opacity:0;transition:opacity .6s}
.hero__media video.is-playing{opacity:1}
.hero__media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,13,14,.2) 0%,rgba(11,13,14,0) 30%,rgba(11,13,14,.55) 70%,var(--bg) 100%)}
.hero__body{position:relative;z-index:1;padding:0 20px 28px;margin-top:-72px;width:100%}
@media (prefers-reduced-motion:reduce){.hero__media video{display:none}}
.pr{display:inline-block;font-size:11px;color:var(--muted);border:1px solid rgba(255,255,255,.35);padding:2px 10px;border-radius:2px;margin-bottom:14px;background:rgba(0,0,0,.35)}
h1{font-family:var(--serif);font-size:clamp(28px,8.6vw,38px);line-height:1.45;font-weight:700;margin-bottom:12px}
h1 em{font-style:normal;color:var(--rose)}
.hero__sub{font-size:14px;color:#ddd;margin-bottom:20px}
.note{font-size:12px;color:var(--muted);text-align:center;margin-top:8px}
.credit{font-size:11px;color:var(--muted);margin-top:14px;text-align:right}

/* sections */
.sec{padding:56px 20px;border-top:1px solid var(--line)}
.eyebrow{font-size:11px;letter-spacing:.24em;color:var(--gold);margin-bottom:8px;font-weight:700}
h2{font-family:var(--serif);font-size:clamp(22px,6.4vw,28px);line-height:1.5;margin-bottom:20px;font-weight:700}
h3{font-size:16px;line-height:1.5}
.lead{color:#ddd;margin:0 0 18px;font-size:15px}
.small{font-size:12px;color:var(--muted);margin:10px 0 18px}

/* offer */
.offer{background:linear-gradient(180deg,var(--bg2),var(--bg));text-align:center}
.offer h2 strong{font-size:1.5em;color:var(--gold);padding:0 .1em}
.free{display:inline-block;background:var(--wine);color:#fff;padding:0 .4em;margin-left:.2em;border-radius:4px;letter-spacing:.2em}
.chips{display:flex;flex-wrap:wrap;gap:8px;list-style:none;margin:0 0 20px}
.offer .chips{justify-content:center}
.chips li{border:1px solid var(--line);background:var(--panel);padding:6px 14px;border-radius:999px;font-size:14px}
.chips--gold li{border-color:var(--gold);color:var(--gold);background:transparent}
.wide{margin:0 -20px 12px}
.wide img{width:100%;aspect-ratio:3/2;object-fit:cover}
.wide--tall img{aspect-ratio:2/3}
.offer .btn{margin-top:4px}

/* ambassadors */
.cards{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:16px}
.card{display:block;text-decoration:none;background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:14px;min-height:72px}
.card__name{display:block;font-family:var(--serif);font-size:18px;font-weight:700}
.card__sns{display:block;font-size:11px;color:var(--muted);word-break:break-all}

/* reasons / steps */
.reason-list,.steps{list-style:none;display:grid;gap:14px}
.reason-list li,.steps li{display:flex;gap:16px;align-items:flex-start;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:18px}
.num{font-family:var(--serif);font-size:26px;line-height:1;color:var(--gold);min-width:40px}
.reason-list p,.steps p{font-size:14px;color:var(--muted);margin-top:4px}

/* gallery */
.gallery{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:0 -8px 20px}
.gallery figure{position:relative}
.gallery img{width:100%;height:100%;aspect-ratio:3/4;object-fit:cover;border-radius:6px}
.gallery figure:nth-child(-n+2){grid-column:span 2}
.gallery figure:nth-child(-n+2) img{aspect-ratio:3/2}
.gallery figcaption{position:absolute;left:8px;bottom:8px;font-size:11px;background:rgba(0,0,0,.6);padding:1px 8px;border-radius:2px}
.video{max-width:260px;margin:0 auto}
.video__label{font-size:12px;color:var(--muted);margin-bottom:6px;text-align:center}
.video video{width:100%;aspect-ratio:9/16;background:#000;border-radius:8px}

/* faq */
details{border-bottom:1px solid var(--line)}
summary{list-style:none;cursor:pointer;min-height:52px;display:flex;align-items:center;justify-content:space-between;gap:12px;font-weight:500;padding:8px 0}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";color:var(--gold);font-size:22px}
details[open] summary::after{content:"–"}
details p{color:var(--muted);font-size:14px;padding:0 0 16px}

/* final */
.final{position:relative;border-top:1px solid var(--line);min-height:520px;display:flex;align-items:flex-end}
.final picture,.final img{position:absolute;inset:0;width:100%;height:100%}
.final img{object-fit:cover;object-position:50% 20%}
.final::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,13,14,.1),rgba(11,13,14,.9) 70%,var(--bg))}
.final__body{position:relative;z-index:1;padding:0 20px 40px;width:100%;text-align:center}
.final .small{margin-top:14px}

/* footer */
.footer{background:#050606;padding:36px 20px 112px;font-size:12px;color:var(--muted)}
.footer__brand{font-family:var(--serif);font-size:18px;color:var(--text);margin-bottom:12px;letter-spacing:.1em}
.footer dl{display:grid;grid-template-columns:4.5em 1fr;gap:6px 8px;margin-bottom:16px}
.footer dt{color:var(--gold)}
.footer a{text-decoration:underline}
.legal{margin-top:6px;line-height:1.7}

/* fixed CTA */
.cta-bar{position:fixed;left:0;right:0;bottom:0;z-index:50;padding:10px 16px calc(10px + env(safe-area-inset-bottom));background:linear-gradient(180deg,rgba(11,13,14,0),rgba(11,13,14,.92) 40%);transition:transform .25s,opacity .25s}
.cta-bar .btn{max-width:488px;margin:0 auto}
.cta-bar.is-hidden{transform:translateY(120%);opacity:0;pointer-events:none}

@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.cta-bar{transition:none}}