:root{--paper:#F7F3EC;--kinari:#EFE8DC;--sumi:#221E1A;--sub:#6A6157;--line:#E0D6C6;--shu:#B8492A;--card:#FFFDF9;--night:#15120F}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--paper:#15120F;--kinari:#1E1A16;--sumi:#EDE6DA;--sub:#B0A594;--line:#3A332A;--shu:#E27B55;--card:#1A1714}}
:root[data-theme="dark"]{--paper:#15120F;--kinari:#1E1A16;--sumi:#EDE6DA;--sub:#B0A594;--line:#3A332A;--shu:#E27B55;--card:#1A1714}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-padding-top:72px}
body{margin:0;background:var(--paper);color:var(--sumi);font-family:"Hiragino Sans","Noto Sans JP",system-ui,sans-serif;font-size:15.5px;line-height:1.95;letter-spacing:.02em;font-feature-settings:"palt" 0}
a{color:var(--shu);text-underline-offset:3px;text-decoration-thickness:1px}
.serif,h1,h2,h3,.facts b,.wm{font-family:"Noto Serif JP","Hiragino Mincho ProN",serif;font-weight:600}
.kicker{font-family:"Cormorant Garamond","Noto Serif JP",serif;font-size:12px;letter-spacing:.32em;text-transform:uppercase;color:var(--shu);margin:0 0 10px}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
header.top{position:sticky;top:0;z-index:10;background:color-mix(in srgb,var(--paper) 92%,transparent);backdrop-filter:blur(6px);border-bottom:1px solid var(--line)}
header.top .wrap{display:flex;align-items:center;gap:18px;height:56px}
.wm{font-size:20px;letter-spacing:.28em;color:var(--sumi);text-decoration:none;white-space:nowrap}
.wm small{font-family:"Hiragino Sans",sans-serif;font-weight:400;font-size:11px;letter-spacing:.1em;color:var(--sub);margin-left:10px}
nav.gn{display:flex;gap:2px;overflow-x:auto;margin-left:auto;-webkit-mask-image:linear-gradient(90deg,#000 88%,transparent);mask-image:linear-gradient(90deg,#000 88%,transparent);padding-right:20px}
nav.gn a{color:var(--sub);text-decoration:none;font-size:13px;padding:6px 9px;white-space:nowrap;border-radius:3px}
nav.gn a:hover,nav.gn a[aria-current]{color:var(--sumi);background:var(--kinari)}
.hero{position:relative;min-height:74vh;display:flex;align-items:flex-end;color:#F4EEE4;background:#15120F center/cover no-repeat}
.hero:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(15,12,10,.05) 30%,rgba(15,12,10,.78))}
.hero .wrap{position:relative;z-index:1;padding-bottom:56px;width:100%}
.hero h1{font-size:clamp(34px,6vw,64px);line-height:1.2;margin:0 0 14px;letter-spacing:.06em}
.hero p{max-width:34em;margin:0;color:#E6DDCF}.hero .kicker{color:#E7A07F}
.facts{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin:0}
.facts div{padding:22px 18px 20px;border-right:1px solid var(--line)}.facts div:last-child{border-right:0}
.facts b{display:block;font-size:34px;line-height:1.1;font-variant-numeric:tabular-nums;letter-spacing:.02em}
.facts span{font-size:12.5px;color:var(--sub);line-height:1.6;display:block;margin-top:6px}
section{padding:64px 0;border-bottom:1px solid var(--line)}section:last-of-type{border-bottom:0}
h1.pt{font-size:clamp(28px,4.2vw,42px);margin:0 0 12px;letter-spacing:.06em;line-height:1.3}
.lead{color:var(--sub);max-width:40em;margin:0}
h2{font-size:22px;letter-spacing:.06em;margin:0 0 18px;line-height:1.45}
h3{font-size:16.5px;letter-spacing:.04em;margin:30px 0 10px}
.pagehead{padding-top:56px;padding-bottom:40px;border-bottom:1px solid var(--line)}
.feature{display:grid;grid-template-columns:1.35fr 1fr;gap:36px;align-items:center;text-decoration:none;color:inherit}
.feature img{width:100%;display:block;border-radius:14px}
.feature .go{display:inline-block;margin-top:14px;color:var(--shu);font-weight:600}
.idx{list-style:none;margin:0;padding:0;border-top:2px solid var(--sumi)}
.idx li{border-bottom:1px solid var(--line)}
.idx a{display:grid;grid-template-columns:64px 1fr auto;gap:14px;align-items:baseline;padding:18px 4px;text-decoration:none;color:inherit}
.idx a:hover{background:var(--kinari)}
.idx .no{font-family:"Cormorant Garamond",serif;font-size:22px;color:var(--shu)}
.idx .tt{font-family:"Noto Serif JP",serif;font-weight:600;font-size:18px;letter-spacing:.05em}
.idx .ds{display:block;font-size:13px;color:var(--sub);font-family:"Hiragino Sans",sans-serif;font-weight:400;letter-spacing:.02em}
.idx .ar{color:var(--sub)}
img{max-width:100%;height:auto}
figure{margin:0}figure img{display:block;width:100%;border-radius:10px;background:var(--kinari)}
figure.big img{border-radius:14px}
figcaption{font-size:12.5px;color:var(--sub);padding:8px 2px 0;line-height:1.7}
.gal{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}
.gal figure{grid-column:span 2}.gal figure.big{grid-column:span 4;grid-row:span 2}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:12px}
.card figcaption{color:var(--sumi);font-size:13px}.card .s{color:var(--sub)}
.tw{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:8px 0 6px}
table{border-collapse:collapse;width:100%;font-size:13.5px;min-width:680px;background:var(--card);line-height:1.7}
th,td{border-bottom:1px solid var(--line);padding:9px 10px;vertical-align:top;text-align:left}
th{background:var(--kinari);font-weight:600;font-size:12.5px;white-space:nowrap;border-bottom:1px solid var(--sumi)}
td.n{text-align:right;white-space:nowrap;font-variant-numeric:tabular-nums}
tr.t td{font-weight:700;background:var(--kinari)}
.note{border-left:3px solid var(--shu);padding:12px 18px;background:var(--card);margin:18px 0;border-radius:0 8px 8px 0}
.note.warn{border-left-color:#A33}
.big-num{font-family:"Noto Serif JP",serif;font-size:clamp(30px,5vw,48px);font-weight:600;line-height:1.1;font-variant-numeric:tabular-nums}
.s{font-size:12.5px;color:var(--sub)}
ul.clean{padding-left:1.2em;margin:8px 0}ul.clean li{margin:4px 0}
ol.steps{list-style:none;padding:0;margin:0;counter-reset:st}
ol.steps li{counter-increment:st;display:grid;grid-template-columns:120px 1fr;gap:18px;padding:16px 0;border-bottom:1px solid var(--line)}
ol.steps li b{font-family:"Noto Serif JP",serif}
ol.steps .when{color:var(--shu);font-variant-numeric:tabular-nums;font-size:14px}
model-viewer{display:block;width:100%;height:520px;background:#1b1916;border-radius:14px;--poster-color:#1b1916}
.pager{display:flex;justify-content:space-between;gap:16px;padding-top:40px;padding-bottom:40px}
.pager a{text-decoration:none;color:var(--sumi);border:1px solid var(--line);border-radius:10px;padding:14px 18px;flex:1;max-width:48%}
.pager a small{display:block;color:var(--sub);font-size:12px}
.pager a.nx{text-align:right;margin-left:auto}
footer{padding:36px 0 60px;color:var(--sub);font-size:12px;border-top:1px solid var(--line)}
.two{display:grid;grid-template-columns:1fr 1fr;gap:28px}
@media(max-width:760px){
 body{font-size:15px}.facts{grid-template-columns:1fr 1fr}.facts div:nth-child(2){border-right:0}.facts div:nth-child(-n+2){border-bottom:1px solid var(--line)}
 .facts b{font-size:28px}.feature,.two{grid-template-columns:1fr}.gal{grid-template-columns:1fr 1fr}.gal figure,.gal figure.big{grid-column:span 2;grid-row:auto}
 .cards{grid-template-columns:1fr}.idx a{grid-template-columns:44px 1fr auto}.hero{min-height:64vh}.hero .wrap{padding-bottom:36px}
 section{padding:48px 0}.pagehead{padding-top:40px;padding-bottom:28px}ol.steps li{grid-template-columns:1fr;gap:4px}model-viewer{height:360px}
 .wm small{display:none}header.top .wrap{gap:10px}
}
@media print{header.top,model-viewer,.pager,.noprint{display:none!important}section{padding:18px 0}table{min-width:0;font-size:10px}.hero{min-height:auto;padding-top:40px}}