:root{color-scheme:light dark;--bg:#FBFBFD;--bg2:#F5F5F7;--card:#FFFFFF;--ink:#1D1D1F;--ink2:#6E6E73;--hair:#D2D2D7;--pill:#1D1D1F;--pill-ink:#FFFFFF;--nav:rgba(251,251,253,.72);--shadow:rgba(0,0,0,.18);--stage:radial-gradient(60% 55% at 50% 60%,#EDEDF0 0%,rgba(237,237,240,0) 100%);--draft:#FFF4C2;--draft-ink:#6B4E00}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--bg:#000000;--bg2:#111113;--card:#1C1C1E;--ink:#F5F5F7;--ink2:#A1A1A6;--hair:#3A3A3C;--pill:#F5F5F7;--pill-ink:#000;--nav:rgba(0,0,0,.72);--shadow:rgba(0,0,0,.6);--stage:radial-gradient(60% 55% at 50% 60%,#1A1A1D 0%,rgba(26,26,29,0) 100%);--draft:#3B3200;--draft-ink:#FFE08A}}
:root[data-theme="dark"]{--bg:#000000;--bg2:#111113;--card:#1C1C1E;--ink:#F5F5F7;--ink2:#A1A1A6;--hair:#3A3A3C;--pill:#F5F5F7;--pill-ink:#000;--nav:rgba(0,0,0,.72);--shadow:rgba(0,0,0,.6);--stage:radial-gradient(60% 55% at 50% 60%,#1A1A1D 0%,rgba(26,26,29,0) 100%);--draft:#3B3200;--draft-ink:#FFE08A}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","SF Pro Text","Helvetica Neue",Helvetica,"Hiragino Sans","Hiragino Kaku Gothic ProN","Noto Sans JP",Arial,sans-serif;font-size:17px;line-height:1.55;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
body[data-lang="ja"] .en{display:none!important} body[data-lang="en"] .ja{display:none!important}
body[data-lang="ja"]{font-feature-settings:"palt"}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:980px;margin:0 auto;padding:0 24px}
.draft{background:var(--draft);color:var(--draft-ink);font-size:12px;letter-spacing:.06em;text-align:center;padding:6px 12px}
/* nav */
.nav{position:sticky;top:0;z-index:20;background:var(--nav);-webkit-backdrop-filter:saturate(180%) blur(20px);backdrop-filter:saturate(180%) blur(20px);border-bottom:1px solid var(--hair)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:52px}
.wordmark{font-weight:600;letter-spacing:-.01em;font-size:17px}
.nav ul{display:flex;gap:28px;list-style:none;margin:0;padding:0;font-size:13px;color:var(--ink2)}
.nav ul a:hover{color:var(--ink)}
@media(max-width:700px){.nav ul{display:none}}
.langsw{display:inline-flex;border:1px solid var(--hair);border-radius:999px;padding:2px;gap:2px;background:var(--bg)}
.langsw button{border:0;background:transparent;color:var(--ink2);font:inherit;font-size:12px;font-weight:600;letter-spacing:.04em;padding:4px 10px;border-radius:999px;cursor:pointer}
.langsw button[aria-pressed="true"]{background:var(--pill);color:var(--pill-ink)}
.langsw button:focus-visible{outline:2px solid var(--ink);outline-offset:2px}
/* type */
h1,h2,h3{margin:0;font-weight:600;letter-spacing:-.022em;text-wrap:balance}
body[data-lang="ja"] h1,body[data-lang="ja"] h2{word-break:keep-all;overflow-wrap:anywhere;text-wrap:pretty}
h1{font-size:clamp(40px,7vw,72px);line-height:1.04}
h2{font-size:clamp(32px,4.6vw,48px);line-height:1.08}
.lede{font-size:clamp(19px,2.2vw,24px);line-height:1.4;color:var(--ink2);font-weight:400;max-width:34em;margin:22px auto 0}
.eyebrow{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink2);font-weight:600;margin:0 0 14px}
p{margin:0}
.center{text-align:center}
/* hero */
.hero{padding:96px 0 0}
.hero .wrap{text-align:center}
.stage{position:relative;margin:56px auto 0;max-width:980px;background:var(--stage);padding:24px 0 48px}
.packs{display:flex;justify-content:center;align-items:flex-end;gap:clamp(24px,8vw,120px)}
.hint{font-size:12px;color:var(--ink2);letter-spacing:.06em;text-align:center;margin-top:8px}
/* 3D pack */
.pack{position:relative;perspective:1400px;width:var(--w,300px);cursor:pointer;-webkit-tap-highlight-color:transparent}
.pack .float{transform-style:preserve-3d;animation:float 7s ease-in-out infinite}
.pack:nth-child(2) .float{animation-delay:-3.5s}
.pack .inner{position:relative;transform-style:preserve-3d;transition:transform .7s cubic-bezier(.2,.8,.2,1);will-change:transform}
.pack.dragging .inner{transition:transform .08s linear}
.pack .face{position:relative;width:100%;height:auto;-webkit-backface-visibility:hidden;backface-visibility:hidden;filter:drop-shadow(0 30px 40px var(--shadow))}
.pack .face.back{position:absolute;inset:0;transform:rotateY(180deg)}
.pack .gloss{position:absolute;inset:6% 8%;pointer-events:none;background:linear-gradient(115deg,rgba(255,255,255,0) 40%,rgba(255,255,255,.35) 50%,rgba(255,255,255,0) 60%);background-size:300% 100%;background-position:var(--gx,80%) 0;mix-blend-mode:screen;opacity:.9;transform:translateZ(1px);border-radius:10px}
.pack .tag{margin-top:18px;text-align:center;font-size:12px;letter-spacing:.12em;color:var(--ink2);font-weight:600;text-transform:uppercase}
.pack .flip{display:block;margin:8px auto 0;border:1px solid var(--hair);background:var(--card);color:var(--ink);border-radius:999px;font:inherit;font-size:12px;padding:5px 12px;cursor:pointer}
.pack .flip:focus-visible{outline:2px solid var(--ink);outline-offset:2px}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
@media (prefers-reduced-motion:reduce){.pack .float{animation:none}.pack .inner{transition:none}html{scroll-behavior:auto}}
/* sections */
section{padding:112px 0}
section.alt{background:var(--bg2)}
.two{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
@media(max-width:760px){.two{grid-template-columns:1fr}section{padding:80px 0}}
.body{font-size:clamp(17px,1.6vw,21px);line-height:1.5;color:var(--ink2);max-width:36em}
.body b{color:var(--ink);font-weight:600}
.facts{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.facts li{display:flex;gap:14px;align-items:flex-start;padding:16px 20px;border:1px solid var(--hair);border-radius:14px;background:var(--card);font-size:16px}
.facts li .no{flex:0 0 auto;font-variant-numeric:tabular-nums;font-size:12px;letter-spacing:.1em;color:var(--ink2);font-weight:600;padding-top:3px}
.plants{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:36px}
@media(max-width:600px){.plants{grid-template-columns:1fr}}
.plant{border:1px solid var(--hair);border-radius:18px;padding:22px 22px 20px;background:var(--card)}
.plant .k{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink2);font-weight:600}
.plant .v{font-size:clamp(22px,2.6vw,30px);font-weight:600;letter-spacing:-.02em;margin-top:6px}
.plant .s{color:var(--ink2);margin-top:6px;font-size:15px}
/* products */
.records{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:48px}
@media(max-width:760px){.records{grid-template-columns:1fr}}
.record{background:var(--card);border:1px solid var(--hair);border-radius:24px;padding:28px 28px 24px;display:flex;flex-direction:column;gap:20px}
.record .head{display:flex;justify-content:space-between;align-items:center;font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink2);font-weight:600}
.record .stamp{border:1px solid var(--ink);color:var(--ink);border-radius:6px;padding:2px 8px;letter-spacing:.08em}
.record .name{font-size:clamp(22px,2.4vw,28px);font-weight:600;letter-spacing:-.02em;line-height:1.2}
.record .stmt{color:var(--ink2);font-size:16px;margin-top:6px}
.record .visual{display:flex;justify-content:center;padding:10px 0 4px}
.spec{margin:0;display:grid;grid-template-columns:auto 1fr;gap:0 18px;font-size:15px}
.spec dt{color:var(--ink2);padding:10px 0;border-top:1px solid var(--hair);white-space:nowrap}
.spec dd{margin:0;padding:10px 0;border-top:1px solid var(--hair);font-variant-numeric:tabular-nums}
.record .foot{font-size:11px;letter-spacing:.18em;color:var(--ink2);text-align:center;padding-top:6px}
.note{font-size:13px;color:var(--ink2);max-width:60em;margin:36px auto 0;text-align:center;line-height:1.6}
/* footer */
footer{background:var(--bg2);border-top:1px solid var(--hair);padding:48px 0 40px;font-size:13px;color:var(--ink2)}
footer .cols{display:grid;grid-template-columns:2fr 1fr;gap:32px}
@media(max-width:600px){footer .cols{grid-template-columns:1fr}}
footer .co{display:grid;grid-template-columns:auto 1fr;gap:4px 16px}
footer .co dt{color:var(--ink2)} footer .co dd{margin:0;color:var(--ink)}
footer .legal{margin-top:28px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;border-top:1px solid var(--hair);padding-top:16px}
footer a:hover{text-decoration:underline}
/* legal page */
.legal-page h1{font-size:clamp(32px,5vw,48px)}
.legal-page h3{font-size:18px;margin:36px 0 10px;letter-spacing:-.01em}
.legal-page p,.legal-page li{color:var(--ink2);font-size:16px;line-height:1.65}
.legal-page ul{padding-left:20px;margin:8px 0}
.legal-page .wrap{max-width:760px}