:root{--green:#1F3D2B;--beige:#F5F1E8;--gold:#C8A96A;--muted:#606c60;--line:#deded0;--paper:#fffdf8}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--beige);color:var(--green);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;-webkit-font-smoothing:antialiased;line-height:1.8}
a{color:inherit;text-decoration:none}
a:focus-visible{outline:3px solid var(--gold);outline-offset:5px}
.page-shell{max-width:1080px;margin:auto;padding:0 56px}
.site-header{display:flex;align-items:center;justify-content:space-between;padding:30px 0;border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:13px}
.brand-name{font-size:23px;font-weight:600;letter-spacing:.14em}
.brand-jp{font-size:14px;font-weight:400;letter-spacing:.14em;margin-left:16px;padding-left:16px;border-left:1px solid #b8bbaa}
.header-note{font-size:12px;letter-spacing:.12em;color:var(--muted)}
.hero{display:flex;align-items:center;justify-content:space-between;gap:30px;padding:62px 0 58px}
.eyebrow{font-size:10px;font-weight:650;letter-spacing:.2em;margin:0 0 15px}
.hero .eyebrow{display:flex;align-items:center;gap:10px}
.eyebrow>span{display:block;width:24px;height:1px;background:var(--gold)}
h1{font-family:"Yu Mincho","Hiragino Mincho ProN",serif;font-size:clamp(32px,4vw,46px);line-height:1.65;font-weight:500;letter-spacing:.09em;margin:0 0 20px}
.hero-description{font-size:14px;line-height:2.05;color:var(--muted);margin:0}
.hero-art{width:265px;flex-shrink:0;text-align:center;color:var(--gold)}
.hero-art svg{display:block;width:100%;height:auto}
.hero-art span{color:var(--muted);font-size:10px;letter-spacing:.17em}
.section-heading{display:flex;align-items:center;justify-content:space-between;gap:12px}
.section-heading .eyebrow{margin-bottom:5px;color:var(--muted)}
h2{font-size:23px;letter-spacing:.08em;font-weight:600;margin:0}
.version{font-size:11px;letter-spacing:.06em;border:1px solid #c9cebd;border-radius:30px;padding:4px 13px;white-space:nowrap}
.section-description{margin:12px 0 24px;font-size:13px;color:var(--muted)}
.download-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.download-card{background:var(--paper);border:1px solid var(--line);border-top:3px solid var(--gold);border-radius:3px;padding:28px}
.platform-heading{display:flex;gap:15px;align-items:center;margin-bottom:24px}
h3{font-size:24px;line-height:1.4;letter-spacing:.025em;margin:0;font-weight:550}
h3 span{display:block;font-size:11px;font-weight:400;letter-spacing:.025em;color:var(--muted);margin-top:5px}
.download-button{display:flex;align-items:center;justify-content:center;gap:16px;background:var(--green);color:#fffdf8;padding:14px 12px;border-radius:3px;font-size:14px;font-weight:600;line-height:1.7;transition:background .15s,transform .15s}
.download-button:hover{background:#31563d;transform:translateY(-1px)}
.download-button>span{font-size:21px;font-weight:400;line-height:1}
.file-detail{font-size:10px;color:var(--muted);text-align:center;margin:8px 0 22px}
.instructions{border-top:1px solid var(--line);margin:0;padding:19px 0 0 19px;font-size:12px;line-height:1.9}
.instructions li+li{margin-top:5px}
.instructions li::marker{color:#8a7447;font-size:11px}
.platform-note{font-size:10px;color:var(--muted);margin:12px 0 0}
.mobile-note{font-size:11px;color:var(--muted);text-align:center;margin:17px 0 0}
.trial-note{display:flex;align-items:flex-start;gap:14px;margin-top:32px;padding:21px 24px;background:#eaece2;border-radius:3px}
.note-symbol{border:1px solid #8e9b87;border-radius:50%;width:20px;height:20px;flex-shrink:0;line-height:18px;text-align:center;font-family:serif;font-size:13px;margin-top:3px}
.trial-note h2{font-size:13px;letter-spacing:.035em;margin-bottom:5px}
.trial-note p{font-size:11px;line-height:1.95;color:var(--muted);margin:0}
.qr-section{display:flex;justify-content:center;align-items:center;gap:26px;padding:43px 0}
.qr-link{display:block;padding:4px;background:#fff;border:1px solid var(--line);border-radius:4px;line-height:0}
.qr-link img{display:block}
.qr-section .eyebrow{font-size:9px;margin-bottom:6px;color:var(--muted)}
.qr-section h2{font-size:15px;letter-spacing:.04em}
.qr-section p:not(.eyebrow){font-size:11px;color:var(--muted);margin:3px 0}
.site-url{font-size:12px;letter-spacing:.03em;text-decoration:underline;text-decoration-color:#b8bbaa;text-underline-offset:4px}
.site-url span{margin-left:5px}
footer{display:flex;justify-content:space-between;align-items:center;padding:22px 0 28px;border-top:1px solid var(--line);font-size:13px;letter-spacing:.12em}
.footer-jp,footer small{font-size:10px;color:var(--muted)}
.mobile-break{display:none}
.skip-link{position:absolute;top:-80px;left:16px;background:var(--green);color:white;padding:10px 18px;z-index:10}
.skip-link:focus{top:8px}
@media(max-width:760px){.page-shell{padding:0 24px}.site-header{padding:22px 0}.header-note{display:none}.hero{padding:40px 0;gap:10px}.hero-art{width:175px}.hero-art span{display:none}h1{font-size:32px}.hero-description{font-size:12px}.download-card{padding:23px 20px}.download-grid{gap:14px}.download-button{font-size:12px;gap:8px}.desktop-break{display:none}}
@media(max-width:560px){.page-shell{padding:0 22px}.brand-name{font-size:20px}.brand img{width:34px;height:34px}.brand-jp{font-size:12px}.hero{position:relative;padding:38px 0 40px}.hero-copy{position:relative;z-index:1}.hero-art{display:none}h1{font-size:34px;letter-spacing:.065em}.hero-description{font-size:13px}.hero .eyebrow{font-size:9px}.section-heading h2{font-size:21px}.version{font-size:10px;padding:3px 9px}.section-description{font-size:12px;margin-top:10px}.download-grid{grid-template-columns:1fr;gap:18px}.download-card{padding:24px}.platform-heading{margin-bottom:20px}.download-button{font-size:14px;padding:15px 10px}.file-detail{font-size:10px}.mobile-note{text-align:left;font-size:10px}.trial-note{padding:18px 16px;margin-top:25px;gap:11px}.qr-section{gap:16px;padding:32px 0}.qr-link img{width:100px;height:100px}.qr-section h2{font-size:13px}.qr-section p:not(.eyebrow){font-size:10px}.mobile-break{display:block}footer{padding:20px 0}.instructions{font-size:12px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.download-button{transition:none}}