/* シーウェル OEM・PB モック v0.5 */
:root{
  --bg:#ECEAE6;        /* 明るいグレージュ */
  --paper:#F7F6F3;
  --ink:#2B2A28;       /* 墨色 */
  --muted:#6E6A64;
  --line:#D3CEC6;
  --brass:#8F7244;     /* 控えめに使う真鍮色 */
  --ph:#D9D5CE;        /* 写真の仮枠 */
  --jp-serif:"Shippori Mincho","Hiragino Mincho ProN","Yu Mincho",serif;
  --sans:"Zen Kaku Gothic New","Hiragino Sans","Yu Gothic","Meiryo",sans-serif;
  --en:"Cormorant Garamond","Times New Roman",serif;
  --panel:#E2DED7;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--bg:#1F1E1C;--paper:#272623;--ink:#ECE8E1;--muted:#A9A39A;--line:#3B3935;--brass:#C7A770;--ph:#34322E;--panel:#2C2A27;color-scheme:dark}}
:root[data-theme="dark"]{--bg:#1F1E1C;--paper:#272623;--ink:#ECE8E1;--muted:#A9A39A;--line:#3B3935;--brass:#C7A770;--ph:#34322E;--panel:#2C2A27;color-scheme:dark}
:root{box-sizing:border-box;padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}
html{scroll-padding-top:calc(90px + env(safe-area-inset-top,0px))}
*{box-sizing:border-box}
html{scroll-padding-top:90px}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:15px;line-height:2;letter-spacing:.04em;-webkit-text-size-adjust:100%}
a{color:inherit}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{outline:2px solid var(--brass);outline-offset:3px}
img{max-width:100%}
.wrap{max-width:1160px;margin:0 auto;padding:0 32px}
.narrow{max-width:760px}
@media (max-width:640px){.wrap{padding:0 20px}}

/* 試作品の表示 */
.mock-note{font-size:11px;text-align:center;color:var(--muted);padding:6px 16px;border-bottom:1px solid var(--line);line-height:1.6}
.kari{font-size:11px;color:var(--brass);margin-left:4px;white-space:nowrap;letter-spacing:0}

/* ヘッダー */
.hd{position:sticky;top:env(safe-area-inset-top,0px);z-index:30;background:color-mix(in srgb,var(--bg) 92%,transparent);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}
.hd .wrap{display:flex;align-items:center;gap:20px;height:76px}
.logo{text-decoration:none;line-height:1.3}
.logo b{display:block;font-family:var(--jp-serif);font-weight:500;font-size:19px;letter-spacing:.12em}
.logo small{display:block;font-family:var(--en);font-size:12px;color:var(--muted);letter-spacing:.14em}
.hd-actions{margin-left:auto;display:flex;align-items:center;gap:22px}
.hd-shop{font-family:var(--en);font-size:14px;letter-spacing:.14em;text-decoration:none}
.hd-shop:hover{color:var(--brass)}
.btn{display:inline-block;text-decoration:none;font-size:14px;letter-spacing:.1em;padding:13px 28px;border:1px solid var(--ink);background:var(--ink);color:var(--bg);cursor:pointer;font-family:var(--sans);transition:background .3s,color .3s}
.btn:hover{background:transparent;color:var(--ink)}
.btn.line{background:transparent;color:var(--ink)}
.btn.line:hover{background:var(--ink);color:var(--bg)}
.hd .btn{padding:10px 20px;font-size:13px}
.menu-btn{background:none;border:0;font-family:var(--en);font-size:15px;letter-spacing:.14em;color:var(--ink);cursor:pointer;padding:8px 0;display:flex;align-items:center;gap:10px}
.menu-btn i{display:block;width:22px;height:1px;background:var(--ink);position:relative}
.menu-btn i::after{content:"";position:absolute;left:0;top:6px;width:22px;height:1px;background:var(--ink)}
@media (max-width:640px){.hd-shop{display:none}.hd .btn{padding:9px 14px}.hd .wrap{height:64px}}

/* 開閉メニュー */
.menu{position:fixed;inset:0;z-index:40;background:var(--paper);display:none;overflow-y:auto}
.menu.open{display:block}
.menu .wrap{padding-top:28px;padding-bottom:48px}
.menu-close{background:none;border:0;font-family:var(--en);font-size:15px;letter-spacing:.14em;cursor:pointer;float:right;color:var(--ink);padding:8px 0}
.menu ul{list-style:none;margin:72px 0 0;padding:0;clear:both}
.menu li{border-top:1px solid var(--line)}
.menu li:last-child{border-bottom:1px solid var(--line)}
.menu a{display:flex;justify-content:space-between;align-items:baseline;gap:16px;padding:20px 0;text-decoration:none;font-family:var(--jp-serif);font-size:20px}
.menu a span{font-family:var(--en);font-size:13px;color:var(--muted);letter-spacing:.14em}
.menu a:hover{color:var(--brass)}
.menu .sub{margin-top:32px;font-size:13px;color:var(--muted)}

/* 見出し・ラベル */
.label{display:block;font-family:var(--en);font-size:15px;letter-spacing:.16em;color:var(--muted);margin-bottom:14px}
h1,h2,h3{font-family:var(--jp-serif);font-weight:500;line-height:1.6;letter-spacing:.08em;margin:0}
h2{font-size:clamp(22px,2.6vw,28px);margin-bottom:28px}
h3{font-size:18px;margin-bottom:10px}
p{margin:0 0 1.2em}
.muted{color:var(--muted)}
.small{font-size:13px}
section{padding:120px 0}
section.tight{padding:80px 0}
section.paper{background:var(--paper)}
@media (max-width:640px){section{padding:80px 0}section.tight{padding:56px 0}}

/* 写真の仮枠（4種類だけ） */
.ph{position:relative;background:var(--ph);width:100%;overflow:hidden}
.ph img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.ph > span{position:absolute;left:14px;bottom:10px;font-size:11px;color:#8A857D;letter-spacing:.06em;line-height:1.5;padding-right:14px}
.ph-wide{height:clamp(240px,46vw,600px)}
.ph-32{aspect-ratio:3/2}
.ph-11{aspect-ratio:1/1}
.ph-45{aspect-ratio:4/5}

/* ヒーロー */
.hero{padding:96px 0 0}
.hero .concept{font-family:var(--en);font-weight:400;font-size:clamp(40px,7vw,92px);line-height:1.12;letter-spacing:.01em;margin:0 0 36px;max-width:12em}
.hero .jp{font-family:var(--jp-serif);font-size:clamp(17px,1.8vw,20px);letter-spacing:.12em;margin-bottom:28px}
.hero .lead{max-width:36em;color:var(--muted)}
.hero .actions{display:flex;flex-wrap:wrap;gap:14px;margin:36px 0 72px}
@media (max-width:640px){.hero{padding-top:56px}.hero .actions{margin-bottom:48px}}

/* ページ見出し（下層） */
.page-hd{padding:88px 0 64px}
.page-hd h1{font-size:clamp(26px,3.4vw,36px);margin-bottom:24px}
.page-hd .lead{max-width:38em;color:var(--muted)}
.crumbs{font-size:12px;color:var(--muted);padding-top:20px}
.crumbs ol{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.crumbs li+li::before{content:"/";margin-right:8px}
.crumbs a{text-decoration:none}

/* 2カラム */
.split{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}
.split.top{align-items:start}
.split.wide-left{grid-template-columns:1.2fr .8fr}
.split.rev > :first-child{order:2}
@media (max-width:860px){.split,.split.wide-left{grid-template-columns:1fr;gap:40px}.split.rev > :first-child{order:0}}

/* 罫線だけのリスト */
.rules{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.rules li{border-bottom:1px solid var(--line);padding:22px 0}
.rules li h3{margin-bottom:4px;font-size:17px}
.rules li p{margin:0;color:var(--muted);font-size:14px}
.rules.cols{display:grid;grid-template-columns:1fr 1fr;column-gap:56px;border-top:0}
.rules.cols li:nth-child(-n+2){border-top:1px solid var(--line)}
.rules.simple li{padding:16px 0}
@media (max-width:720px){.rules.cols{grid-template-columns:1fr}.rules.cols li:nth-child(2){border-top:0}}

/* 数字 */
.figures{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:40px 0}
.figures div{text-align:center}
.figures b{display:block;font-family:var(--en);font-weight:400;font-size:clamp(30px,3.6vw,44px);line-height:1.2;letter-spacing:.02em}
.figures b small{font-family:var(--jp-serif);font-size:.42em;margin-left:2px}
.figures span{font-size:12px;color:var(--muted)}
@media (max-width:720px){.figures{grid-template-columns:1fr 1fr;row-gap:32px}}

/* 並び（同じ並びは同じ形・同じ幅） */
.grid{display:grid;gap:48px 32px}
.grid.g2{grid-template-columns:repeat(2,1fr)}
.grid.g3{grid-template-columns:repeat(3,1fr)}
.grid.g4{grid-template-columns:repeat(4,1fr)}
.item{text-decoration:none;display:block}
.item .ph{margin-bottom:20px}
.item .en{display:block;font-family:var(--en);font-size:14px;letter-spacing:.14em;color:var(--muted);margin-bottom:4px}
.item h3{font-size:17px}
.item p{font-size:14px;color:var(--muted);margin:0}
.item .more{display:inline-block;margin-top:14px;font-size:13px;border-bottom:1px solid var(--ink);padding-bottom:2px}
.item .meta{font-size:13px;color:var(--muted);margin-top:8px;line-height:1.8}
a.item:hover h3{color:var(--brass)}
@media (max-width:960px){.grid.g4{grid-template-columns:repeat(2,1fr)}}
@media (max-width:860px){.grid.g3{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.grid.g2,.grid.g3,.grid.g4{grid-template-columns:1fr}}

.center{text-align:center}
.more-link{margin-top:56px;text-align:center}

/* 手順（順番があるので番号を使用） */
.process{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(5,1fr);gap:28px;counter-reset:p}
.process li{counter-increment:p;border-top:1px solid var(--ink);padding-top:18px}
.process li::before{content:"0" counter(p);display:block;font-family:var(--en);font-size:22px;margin-bottom:6px}
.process h3{font-size:16px;margin-bottom:4px}
.process p{font-size:13px;color:var(--muted);margin:0}
.process .t{display:block;margin-top:8px;font-size:12px;color:var(--brass)}
@media (max-width:860px){.process{grid-template-columns:1fr;gap:0}.process li{padding:18px 0 22px}}

/* 縦の手順（写真は全工程同じ大きさ） */
.steps{list-style:none;margin:0;padding:0;counter-reset:s}
.steps li{counter-increment:s;display:grid;grid-template-columns:72px 1fr 300px;gap:40px;align-items:center;padding:40px 0;border-top:1px solid var(--line)}
.steps li:last-child{border-bottom:1px solid var(--line)}
.steps li::before{content:"0" counter(s);font-family:var(--en);font-size:34px;line-height:1;align-self:start}
.steps h3{font-size:19px}
.steps p{margin:0;color:var(--muted);font-size:14px}
.steps .t{display:block;margin-top:10px;font-size:13px;color:var(--brass)}
@media (max-width:860px){.steps li{grid-template-columns:48px 1fr;gap:16px 20px}.steps li .ph{grid-column:2}.steps li::before{font-size:26px}}

/* 表 */
.tbl-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
table.tbl{border-collapse:collapse;width:100%;min-width:680px;font-size:14px}
.tbl th,.tbl td{padding:18px 16px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line)}
.tbl thead th{font-family:var(--jp-serif);font-weight:500;font-size:16px;border-bottom:1px solid var(--ink)}
.tbl thead th span{display:block;font-family:var(--en);font-size:13px;color:var(--muted);letter-spacing:.14em;font-weight:400}
.tbl tbody th{font-weight:400;color:var(--muted);white-space:nowrap;width:150px}
.tbl.spec{min-width:0}
.tbl.spec th{width:180px}

/* FAQ */
.faq details{border-bottom:1px solid var(--line)}
.faq details:first-of-type{border-top:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;padding:24px 48px 24px 0;position:relative;font-family:var(--jp-serif);font-size:16px;letter-spacing:.06em}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:"Q.";font-family:var(--en);font-size:18px;margin-right:14px;color:var(--muted)}
.faq summary::after{content:"";position:absolute;right:6px;top:34px;width:12px;height:1px;background:var(--ink);box-shadow:0 0 0 0 var(--ink)}
.faq details:not([open]) summary::before{color:var(--muted)}
.faq .plus{position:absolute;right:11px;top:29px;width:1px;height:12px;background:var(--ink)}
.faq details[open] .plus{display:none}
.faq .a{padding:0 0 26px 38px;color:var(--muted);font-size:14px}
.faq .a p{margin:0}
.faq-group{margin-bottom:80px}
.faq-group:last-child{margin-bottom:0}

/* 事例の流れ */
.seq{display:grid;grid-template-columns:1fr 1fr 1fr;gap:32px}
.seq figure{margin:0}
.seq figcaption{margin-top:12px;font-size:13px;color:var(--muted)}
.seq figcaption b{font-family:var(--en);font-weight:400;font-size:14px;letter-spacing:.14em;color:var(--ink);margin-right:8px}
@media (max-width:640px){.seq{grid-template-columns:1fr}}
blockquote{margin:0;font-family:var(--jp-serif);font-size:clamp(18px,2vw,22px);line-height:1.9;letter-spacing:.08em}

/* 相談 */
.contact-band{text-align:center}
.contact-band p{max-width:34em;margin-left:auto;margin-right:auto;color:var(--muted)}
.contact-band .actions{display:flex;justify-content:center;flex-wrap:wrap;gap:14px;margin:36px 0 24px}
.tel{font-family:var(--en);font-size:26px;letter-spacing:.08em}
.tel + .small{color:var(--muted)}

/* フォーム */
.form-sec{border-top:1px solid var(--ink);padding:36px 0 12px;margin:0}
.form-sec > legend{float:left;width:100%;padding:0;margin-bottom:28px;font-family:var(--jp-serif);font-size:20px;letter-spacing:.08em}
.form-sec > legend span{font-family:var(--en);font-size:15px;color:var(--muted);margin-right:12px;letter-spacing:.14em}
.form-sec > *:not(legend){clear:both}
fieldset.form-sec{border-left:0;border-right:0;border-bottom:0}
.f{margin:0 0 30px;border:0;padding:0}
.f > label,.f > legend{display:block;font-size:14px;margin-bottom:10px;padding:0}
.f .opt{font-size:11px;color:var(--muted);margin-left:8px}
.f .req{font-size:11px;color:var(--brass);margin-left:8px}
.f input[type=text],.f input[type=email],.f input[type=tel],.f textarea{width:100%;font:inherit;font-size:15px;padding:12px 0;border:0;border-bottom:1px solid var(--line);background:transparent;color:var(--ink);border-radius:0}
.f input:focus,.f textarea:focus{border-bottom-color:var(--ink);outline:none}
.f textarea{min-height:120px;resize:vertical}
.chs{display:flex;flex-wrap:wrap;gap:10px}
.chs label{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line);padding:8px 16px;font-size:14px;cursor:pointer;background:var(--paper)}
.chs input{accent-color:var(--ink)}
.chs label:has(input:checked){border-color:var(--ink)}
.form-note{font-size:13px;color:var(--muted);margin-bottom:32px}
.form-msg{display:none;margin-top:20px;font-size:14px;color:var(--brass)}
.form-msg.show{display:block}
.info dl{margin:0;border-top:1px solid var(--line)}
.info dl div{border-bottom:1px solid var(--line);padding:18px 0}
.info dt{font-family:var(--en);font-size:13px;letter-spacing:.14em;color:var(--muted)}
.info dd{margin:0;font-size:14px}

/* フッター */
.ft{border-top:1px solid var(--line);padding:72px 0 40px;font-size:13px}
.ft .wrap{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px}
.ft h2{font-size:16px;margin-bottom:14px}
.ft ul{list-style:none;margin:0;padding:0}
.ft li{margin-bottom:6px}
.ft a{text-decoration:none;color:var(--muted)}
.ft a:hover{color:var(--ink)}
.ft p{color:var(--muted)}
.copy{grid-column:1/-1;font-family:var(--en);font-size:12px;color:var(--muted);letter-spacing:.1em;margin-top:24px}
@media (max-width:760px){.ft .wrap{grid-template-columns:1fr}}

/* スクロール時の表示（1種類のみ） */
.js .reveal{opacity:0;transform:translateY(16px);transition:opacity 1.1s ease,transform 1.1s ease}
.js .reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.js .reveal{opacity:1;transform:none;transition:none}}
.split > *,.grid > *{min-width:0}
.f input[type=file]{max-width:100%;font-size:13px}
fieldset{min-width:0;min-inline-size:0}
.hd .btn,.logo small,.menu-btn{white-space:nowrap}
@media (max-width:640px){.hd-actions{gap:14px}.hd .btn{font-size:12px;letter-spacing:.04em;padding:9px 12px}.logo small{letter-spacing:.06em;font-size:11px}.menu-btn{font-size:14px}}
@media (max-width:480px){.hd .hd-actions>.btn{display:none}}

/* イラスト枠（写真の代わり。形は4種類のみ） */
.ill{position:relative;background:var(--panel);width:100%;overflow:hidden;display:flex;align-items:center;justify-content:center}
.ill svg{width:84%;height:84%}
.ill.ph-wide svg{width:100%;height:100%}
.ill .cap{position:absolute;left:14px;bottom:10px;font-size:11px;color:var(--muted);letter-spacing:.06em}
section[id]{scroll-margin-top:80px}
.nav-inline{display:flex;gap:22px}
.nav-inline a{font-family:var(--en);font-size:14px;letter-spacing:.12em;text-decoration:none}
.nav-inline a:hover{color:var(--brass)}
@media (max-width:1100px){.nav-inline{display:none}}
.sub-hd{display:flex;justify-content:space-between;align-items:end;gap:24px;flex-wrap:wrap;margin-bottom:48px}
.sub-hd h2{margin-bottom:0}
.sub-hd p{margin:0;max-width:30em}
.item .ill{margin-bottom:20px}

.ill.photo img{display:block;width:100%;height:100%;object-fit:cover}
.logo{display:flex;flex-direction:column;gap:4px}
.logo-word{display:block;height:32px;width:auto}
.logo-mark{display:block;width:64px;height:auto;margin-bottom:18px}
.ill.photo.ph-wide img{object-position:center}
.entries{display:grid;grid-template-columns:1fr 1fr;gap:32px}
.entry{display:block;text-decoration:none;background:var(--paper)}
.entry .body{padding:28px 28px 32px}
.entry .en{display:block;font-family:var(--en);font-size:15px;letter-spacing:.14em;color:var(--muted);margin-bottom:6px}
.entry h2{font-size:clamp(20px,2.2vw,26px);margin-bottom:12px}
.entry p{color:var(--muted);font-size:14px;margin:0 0 18px}
.entry .more{font-size:13px;border-bottom:1px solid var(--ink);padding-bottom:2px}
.entry:hover h2{color:var(--brass)}
.entry .ill{margin:0}
@media (max-width:760px){.entries{grid-template-columns:1fr}}
.tbl td.num{white-space:nowrap}
.cases li h3{font-size:16px}
.f-group[hidden]{display:none}
.backplan{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(5,1fr);gap:0}
.backplan li{padding:20px 18px 20px 0;border-top:1px solid var(--ink);margin-right:16px}
.backplan b{display:block;font-family:var(--en);font-weight:400;font-size:24px;line-height:1.2}
.backplan b small{font-family:var(--jp-serif);font-size:13px;margin-left:4px}
.backplan h3{font-size:15px;margin:8px 0 4px}
.backplan p{font-size:13px;color:var(--muted);margin:0}
@media (max-width:860px){.backplan{grid-template-columns:1fr}.backplan li{margin-right:0}}
/* 組み立て見積もり */
.bld{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:start}
.bld-stage{position:sticky;top:110px;background:var(--panel);padding:24px;aspect-ratio:auto}
.bld-stage svg{display:block;width:100%;height:auto;aspect-ratio:1/1}
.bld-hint{position:absolute;left:0;right:0;top:44%;text-align:center;font-size:13px;color:var(--muted);margin:0}
.bld-summary{list-style:none;margin:16px 0 0;padding:0;font-size:13px}
.bld-summary li{display:flex;gap:12px;border-top:1px solid var(--line);padding:6px 0}
.bld-summary li span{color:var(--muted);min-width:7em}
.bld-step{border:0;padding:0;margin:0 0 30px}
.bld-step legend{font-family:var(--jp-serif);font-size:17px;margin-bottom:12px;padding:0}
.bld-step legend span{font-family:var(--en);color:var(--muted);margin-right:10px}
.bld-text{width:100%;font:inherit;font-size:15px;padding:12px 0;border:0;border-bottom:1px solid var(--line);background:transparent;color:var(--ink)}
.bld-text:focus{outline:none;border-bottom-color:var(--ink)}
.bld-go{border-top:1px solid var(--ink);padding-top:28px}
.bld-go p{margin-top:12px}
#bld-svg g.pop{animation:pop .7s cubic-bezier(.2,.8,.2,1)}
@keyframes pop{from{opacity:0;transform:translateY(-14px)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){#bld-svg g.pop{animation:none}}
@media (max-width:860px){.bld{grid-template-columns:1fr;gap:32px}.bld-stage{position:relative;top:0}}
/* スマホ下部の相談ボタン */
.mbar{display:none}
@media (max-width:760px){
  .mbar{display:grid;grid-template-columns:1.4fr 1fr 1fr;position:fixed;left:0;right:0;bottom:0;z-index:25;background:var(--paper);border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom,0px)}
  .mbar a{display:flex;align-items:center;justify-content:center;height:54px;font-size:13px;text-decoration:none;letter-spacing:.06em}
  .mbar a:first-child{background:var(--ink);color:var(--bg)}
  .mbar a+a{border-left:1px solid var(--line)}
  body{padding-bottom:calc(54px + env(safe-area-inset-bottom,0px))}
}
/* スクロールで伸びるチェーン */
.pchain{position:fixed;z-index:20;pointer-events:none;background-repeat:repeat-y;background-size:12px 24px;right:10px;top:0;width:12px;height:calc(var(--p,0) * 100vh);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='24'%3E%3Cellipse cx='6' cy='6' rx='4' ry='7' fill='none' stroke='%238F7244' stroke-width='1.4'/%3E%3Cellipse cx='6' cy='18' rx='1.2' ry='7' fill='none' stroke='%238F7244' stroke-width='1.4'/%3E%3C/svg%3E")}
@media (max-width:760px){.pchain{right:auto;left:0;top:env(safe-area-inset-top,0px);height:12px;width:calc(var(--p,0) * 100vw);background-repeat:repeat-x;background-size:24px 12px;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='12'%3E%3Cellipse cx='6' cy='6' rx='7' ry='4' fill='none' stroke='%238F7244' stroke-width='1.4'/%3E%3Cellipse cx='18' cy='6' rx='7' ry='1.2' fill='none' stroke='%238F7244' stroke-width='1.4'/%3E%3C/svg%3E")}}
@media (prefers-reduced-motion:reduce){.pchain{display:none}}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .pchain{filter:brightness(1.5)}}
.pv{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:start}
.pv-stage{background:var(--panel);padding:32px;position:sticky;top:110px}
.pv-stage svg{display:block;width:100%;height:auto}
.pv-ctrl .f input[type=text]{width:100%;font:inherit;font-size:15px;padding:12px 0;border:0;border-bottom:1px solid var(--line);background:transparent;color:var(--ink)}
.pv-ctrl .f input[type=text]:focus{outline:none;border-bottom-color:var(--ink)}
@media (max-width:860px){.pv{grid-template-columns:1fr;gap:28px}.pv-stage{position:relative;top:0;padding:18px}}
.grid.g4 .item h3{font-size:16px}
/* v1.0 読みやすさ */
body{font-size:16px;line-height:1.95}
:root{--muted:#57534D}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--muted:#C2BCB3}}
:root[data-theme="dark"]{--muted:#C2BCB3}
.small,.item p,.rules li p,.faq .a,.process p,.backplan p,.tbl,.item .meta,.form-note,.bld-summary,.info dd,.entry p,.ft{font-size:15px}
.figures span,.process .t,.steps .t,.label{font-size:14px}
.crumbs{font-size:13px}
.page-hd .lead,.hero .lead,.sub-hd p,.item p,.entry p{max-width:40em}
.grid.g4 .item p{font-size:14px}
.agree{display:flex;align-items:center;gap:10px;font-size:15px}
.agree input{width:18px;height:18px;accent-color:var(--ink)}
.form-msg.err{color:#A3402A}
.shortcut{margin:-16px 0 40px}
/* 3D表示 */
.cw3d{display:none;width:100%;aspect-ratio:1/1;position:relative;cursor:grab}
.cw3d:active{cursor:grabbing}
.cw3d canvas{display:block;width:100%!important;height:100%!important}
.has3d .cw3d{display:block}
.has3d #bld-svg,.has3d #pv-svg{display:none}
.pv-stage .cw3d{aspect-ratio:4/3}
.cw3d-bar{display:none;justify-content:space-between;align-items:center;font-size:13px;color:var(--muted);margin-top:8px}
.has3d .cw3d-bar{display:flex}
.cw3d-reset{background:none;border:1px solid var(--line);padding:4px 12px;font:inherit;font-size:13px;color:var(--ink);cursor:pointer}
.cw3d-reset:hover{border-color:var(--ink)}
.bld-stage{background:radial-gradient(ellipse at 50% 35%,var(--paper) 0%,var(--panel) 75%)}
.pv-stage{background:radial-gradient(ellipse at 50% 35%,var(--paper) 0%,var(--panel) 75%)}
.sim-steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:28px;counter-reset:ss}
.sim-steps li{counter-increment:ss;border-top:1px solid var(--ink);padding-top:16px}
.sim-steps li::before{content:"0" counter(ss);font-family:var(--en);font-size:22px;display:block}
.sim-steps h3{font-size:16px;margin:4px 0}
.sim-steps p{font-size:15px;color:var(--muted);margin:0}
@media (max-width:760px){.sim-steps{grid-template-columns:1fr}}
.sim-band{display:grid;grid-template-columns:1fr auto;gap:32px;align-items:center;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:40px 0}
@media (max-width:760px){.sim-band{grid-template-columns:1fr}}
/* v1.2 文字を大きく */
body{font-size:18px;line-height:1.9}
.small,.item p,.rules li p,.faq .a,.process p,.backplan p,.tbl,.item .meta,.form-note,.bld-summary,.info dd,.entry p,.ft,.sim-steps p,.grid.g4 .item p{font-size:16px}
.figures span,.process .t,.steps .t,.label,.item .en{font-size:15px}
.page-hd h1{font-size:clamp(30px,4vw,44px)}
h2{font-size:clamp(25px,3vw,34px)}
.item h3,.rules li h3{font-size:19px}
.grid.g4 .item h3{font-size:18px}
.faq summary{font-size:18px}
.chs label{font-size:15px}
.lead{font-size:19px}
@media (max-width:640px){body{font-size:17px}.lead{font-size:17px}}
/* トップの3D */
.hero3{padding:56px 0 24px}
.hero3-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:56px;align-items:center}
.hero3 .concept{font-family:var(--en);font-weight:400;font-size:clamp(40px,5.4vw,74px);line-height:1.1;margin:0 0 28px}
.hero3 .jp{font-family:var(--jp-serif);font-size:clamp(19px,2vw,23px);letter-spacing:.1em;margin-bottom:22px;line-height:1.7}
.hero3 .lead{color:var(--muted);max-width:28em}
.hero3 .actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.hero3-stage{background:radial-gradient(ellipse at 50% 35%,var(--paper) 0%,var(--panel) 78%);padding:18px 22px 22px}
.hero3-view{position:relative;aspect-ratio:1/1;max-height:62vh;margin:0 auto}
.hero3-view .cw3d{position:absolute;inset:0;aspect-ratio:auto;width:100%;height:100%}
.hero3-fallback{position:absolute;inset:0;display:flex;align-items:center;justify-content:center}
.hero3-fallback svg{width:70%;height:70%}
.has3d .hero3-fallback{display:none}
.hero3-ctrl{display:grid;gap:14px;margin-top:10px}
.hero3-name{display:flex;align-items:center;gap:14px;border-bottom:1px solid var(--line)}
.hero3-name span{font-size:15px;color:var(--muted);white-space:nowrap}
.hero3-name input{flex:1;font:inherit;font-size:17px;padding:10px 0;border:0;background:transparent;color:var(--ink);min-width:0}
.hero3-name input:focus{outline:none}
.hero3-go{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
.also{margin-top:40px;font-size:16px;color:var(--muted)}
@media (max-width:900px){.hero3-grid{grid-template-columns:1fr;gap:32px}.hero3{padding-top:36px}.hero3-view{max-height:none}}
.hero3 .concept{font-size:clamp(38px,4.6vw,64px)}
.hero3-ctrl .chs label{padding:7px 14px;font-size:14px}
@media (max-width:900px){
  .hero3-copy{display:contents}
  .hero3-grid > *, .hero3-copy > *{order:1}
  .hero3-stage{order:2}
  .hero3 .actions{order:3;margin-top:0}
  .hero3 .jp{font-size:17px;letter-spacing:.06em}
  .hero3-grid{gap:20px}
  .hero3-stage{margin:8px 0}
}


/* ===== LP v2.1 ===== */
:root{--accent:#F36B00;--dark:#121314;--dark2:#1C1D1F;--dline:#2E3034;--dtext:#ECEBE7;--dmuted:#A6A7AA}
.label{display:flex;align-items:center;gap:10px;font-family:var(--en);font-size:15px;letter-spacing:.18em;color:var(--muted);margin-bottom:14px;text-transform:uppercase}
.label::before{content:"";width:22px;height:2px;background:var(--accent);flex:none}
.btn:hover{background:var(--accent);border-color:var(--accent);color:#fff}
.btn.line:hover{background:var(--accent);border-color:var(--accent);color:#fff}
.hd .nav-inline{gap:20px}
.hd .nav-inline a{font-family:var(--sans);font-size:14px;letter-spacing:.06em;white-space:nowrap}
.hd-shop{white-space:nowrap}
@media (max-width:1200px){.hd .nav-inline,.hd-corp{display:none}}
.hd .nav-inline a:hover{color:var(--accent)}
.hd-shop{font-family:var(--sans);font-size:13px;letter-spacing:.06em}
.hd-corp{font-size:13px;text-decoration:none;white-space:nowrap}
.hd-corp:hover,.hd-shop:hover{color:var(--accent)}
@media (max-width:1100px){.hd-corp{display:none}}
.menu a:hover{color:var(--accent)}
/* ヒーロー */
.hero4{padding:48px 0 32px}
.hero4 .eyebrow-en{font-family:var(--en);font-size:clamp(18px,1.8vw,22px);letter-spacing:.04em;color:var(--muted);margin:0 0 18px}
.hero4 h1{font-family:var(--jp-serif);font-weight:500;font-size:clamp(34px,4.3vw,58px);line-height:1.32;letter-spacing:.04em;margin:0 0 8px}
.hero4 .rule{width:56px;height:3px;background:var(--accent);margin:26px 0}
.hero4 .lead{color:var(--muted);max-width:26em}
.hero4 .actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
/* 0から */
.idea{display:grid;grid-template-columns:1fr .9fr;gap:72px;align-items:end}
.idea h2{font-size:clamp(30px,4vw,50px);line-height:1.4;margin:0}
.needs{list-style:none;margin:64px 0 0;padding:0;border-top:1px solid var(--line)}
.needs li{display:flex;justify-content:space-between;align-items:baseline;gap:20px;padding:22px 0;border-bottom:1px solid var(--line);font-family:var(--jp-serif);font-size:clamp(20px,2.3vw,28px)}
.needs li span{font-family:var(--en);font-size:14px;letter-spacing:.2em;color:var(--accent)}
@media (max-width:860px){.idea{grid-template-columns:1fr;gap:20px}}
/* 加工体験（暗い背景） */
.exp{background:var(--dark);color:var(--dtext);padding:110px 0}
.exp .label{color:var(--dmuted)}
.exp h2{color:var(--dtext);font-size:clamp(32px,4.2vw,54px);line-height:1.3}
.exp .muted,.exp p{color:var(--dmuted)}
.exp-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:start}
.exp .bench{position:sticky;top:100px}
@media (max-width:900px){.exp .bench{position:relative;top:0}}
.bench{position:relative;aspect-ratio:1/1;background:radial-gradient(circle at 50% 40%,#34363A 0,#1A1B1E 50%,#0C0D0F 80%);border:1px solid var(--dline);overflow:hidden;touch-action:none;user-select:none;-webkit-user-select:none}
.bench::before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(112deg,transparent 0 7px,rgba(255,255,255,.025) 8px,transparent 9px 17px);pointer-events:none}
.bench canvas{position:absolute;inset:6%;width:88%;height:88%}
#pol-rust{cursor:grab;transition:opacity .7s}
#pol-rust:active{cursor:grabbing}
#pol-rust.fade{opacity:0}
.bench .glow{position:absolute;left:var(--mx,50%);top:var(--my,50%);width:320px;height:320px;margin:-160px 0 0 -160px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.12),transparent 65%);pointer-events:none;opacity:0;transition:opacity .25s}
.bench:hover .glow{opacity:1}
.bench.shine::after{content:"";position:absolute;inset:-20%;background:linear-gradient(115deg,transparent 40%,rgba(255,255,255,.55) 50%,transparent 60%);animation:sweep 1.3s ease forwards;pointer-events:none}
.bench.laser::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 50% 50%,rgba(255,140,40,.35),transparent 45%);animation:flash .9s ease forwards;pointer-events:none}
@keyframes sweep{from{transform:translateX(-60%)}to{transform:translateX(60%)}}
@keyframes flash{0%{opacity:0}30%{opacity:1}100%{opacity:0}}
@media (prefers-reduced-motion:reduce){.bench.shine::after,.bench.laser::after{display:none}}
.bench .prog{position:absolute;left:22px;right:22px;bottom:18px}
.bench .prog-top{display:flex;justify-content:space-between;font-family:var(--en);font-size:13px;letter-spacing:.18em;color:var(--dmuted);margin-bottom:8px}
.bench .bar{height:3px;background:#2C2E31}
.bench .bar span{display:block;height:100%;width:0;background:var(--accent);transition:width .15s}
.bench .hint3d{position:absolute;left:22px;top:18px;font-size:13px;color:var(--dmuted);pointer-events:none}
.stages{list-style:none;margin:28px 0 0;padding:0;border-top:1px solid var(--dline)}
.stages li{display:grid;grid-template-columns:48px 1fr auto;align-items:center;padding:14px 0;border-bottom:1px solid var(--dline);color:#6E7074}
.stages li b{font-family:var(--en);font-weight:400;font-size:18px}
.stages li strong{font-weight:500;font-size:17px}
.stages li em{font-style:normal;font-size:13px}
.stages li.active{color:var(--dtext)}
.stages li.active em{color:var(--accent)}
.stages li.done{color:var(--dtext)}
.stages li.done em::before{content:"✓ ";color:var(--accent)}
.pol-opt{margin-top:24px}
.pol-opt > span{display:block;font-size:14px;color:var(--dmuted);margin-bottom:10px}
.pol-opt.locked{opacity:.4}
.pchips{display:flex;flex-wrap:wrap;gap:8px}
.pchip{background:transparent;border:1px solid #45474C;color:var(--dtext);padding:9px 14px;font:inherit;font-size:15px;cursor:pointer}
.pchip:hover:not(:disabled),.pchip.active{background:var(--dtext);color:var(--dark);border-color:var(--dtext)}
.pchip:disabled{cursor:not-allowed}
.laser-row{display:flex;gap:8px}
.laser-row input{flex:1;min-width:0;background:transparent;border:0;border-bottom:1px solid #45474C;color:var(--dtext);font:inherit;font-size:16px;padding:8px 2px}
.laser-row input:focus{outline:none;border-bottom-color:var(--accent)}
#pol-msg{margin:22px 0 0;font-size:16px;color:var(--dtext);min-height:2em}
.exp .btn{background:var(--dtext);color:var(--dark);border-color:var(--dtext)}
.exp .btn.line{background:transparent;color:var(--dtext);border-color:#55575C}
.exp .btn:hover,.exp .btn.line:hover{background:var(--accent);border-color:var(--accent);color:#fff}
#pol-next:not([hidden]){display:flex;flex-wrap:wrap;gap:12px;margin-top:8px}
.pol-reset{background:none;border:0;color:var(--dmuted);font:inherit;font-size:14px;text-decoration:underline;cursor:pointer;padding:0;margin-top:18px}
@media (max-width:900px){.exp-grid{grid-template-columns:1fr;gap:36px}.exp{padding:80px 0}}
/* 3Dで描いた品物 */
.r3d{background:radial-gradient(ellipse at 50% 38%,var(--paper) 0%,var(--panel) 80%)}
.r3d .r3d-img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;transform:scale(1.1)}
.r3d.rendered > svg{display:none}
.r3d .cap{z-index:1}
.ill.photo .photo-cap{position:absolute;left:12px;bottom:8px;font-size:12px;color:#fff;text-shadow:0 1px 3px rgba(0,0,0,.5)}
/* 締めの言葉 */
.manifesto{background:radial-gradient(circle at 75% 40%,#34363A,#16171A 48%,#0C0D0F 78%);color:var(--dtext);padding:150px 0}
.manifesto .label{color:var(--dmuted)}
.manifesto h2{color:var(--dtext);font-size:clamp(34px,4.8vw,62px);line-height:1.35;margin-bottom:28px}
.manifesto p{color:#C4C5C8;max-width:32em}
.manifesto .btn{background:var(--dtext);color:var(--dark);border-color:var(--dtext);margin-top:24px}
/* 流れ6つ */
.flow6{list-style:none;margin:0;padding:0;counter-reset:f}
.flow6 li{counter-increment:f;display:grid;grid-template-columns:80px 1fr 1.3fr;gap:24px;align-items:baseline;padding:24px 0;border-top:1px solid var(--line)}
.flow6 li:last-child{border-bottom:1px solid var(--line)}
.flow6 li::before{content:"0" counter(f);font-family:var(--en);font-size:30px;line-height:1}
.flow6 h3{font-size:19px;margin:0}
.flow6 h3 small{display:block;font-family:var(--en);font-size:13px;letter-spacing:.16em;color:var(--muted);margin-top:2px}
.flow6 p{margin:0;color:var(--muted);font-size:16px}
.flow6 .t{color:var(--accent);font-size:14px;margin-left:8px;white-space:nowrap}
@media (max-width:760px){.flow6 li{grid-template-columns:52px 1fr}.flow6 p{grid-column:2}}
/* 外部への案内 */
.links3{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--line);margin-top:56px}
.links3 a{display:block;padding:26px 24px 26px 0;border-bottom:1px solid var(--line);text-decoration:none}
.links3 a b{display:block;font-family:var(--jp-serif);font-weight:500;font-size:20px}
.links3 a span{color:var(--muted);font-size:15px}
.links3 a:hover b{color:var(--accent)}
@media (max-width:760px){.links3{grid-template-columns:1fr}}
.ft .ft-logo{height:30px;width:auto;margin-bottom:16px}
.chs.pics{gap:10px}
.chs.pics label.pic{flex-direction:column;align-items:center;gap:6px;padding:8px 8px 10px;min-width:84px}
.chs.pics label.pic img{height:104px;width:auto;display:block;border-radius:2px}
.chs.pics label.pic input{position:absolute;opacity:0;pointer-events:none}
.chs.pics label.pic{position:relative}
.chs.pics label.pic:has(input:checked){border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}
.chs.pics label.pic:has(input:focus-visible){outline:2px solid var(--accent);outline-offset:2px}
@media (max-width:560px){.chs.pics label.pic{min-width:0;flex:1 1 28%}.chs.pics label.pic img{height:84px}}
/* ===== v3.0 ===== */
.hero5{padding:56px 0 64px}
.hero5 .wrap{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.hero5 .eyebrow-en{font-family:var(--en);font-size:clamp(18px,1.8vw,22px);color:var(--muted);margin:0 0 18px}
.hero5 h1{font-family:var(--jp-serif);font-weight:500;font-size:clamp(36px,4.6vw,62px);line-height:1.32;letter-spacing:.04em;margin:0}
.hero5 .rule{width:56px;height:3px;background:var(--accent);margin:28px 0}
.hero5 .lead{color:var(--muted);max-width:27em;margin:0}
.hero5 .actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-top:34px}
.tel-link{display:inline-flex;flex-direction:column;text-decoration:none;line-height:1.3;padding:4px 6px}
.tel-link b{font-family:var(--en);font-weight:500;font-size:24px;letter-spacing:.04em}
.tel-link span{font-size:13px;color:var(--muted)}
.tel-link:hover b{color:var(--accent)}
.hero5-photo{position:relative;margin:0}
.hero5-photo img{display:block;width:100%;aspect-ratio:3/2;object-fit:cover;background:#fff}
.hero5-photo figcaption{font-size:13px;color:var(--muted);margin-top:10px}
.hero5-photo::before{content:"";position:absolute;left:18px;top:18px;width:100%;aspect-ratio:3/2;border:1px solid var(--accent);z-index:-1}
.hero5-photo{z-index:0}
.hero5 .to3d{display:inline-block;margin-top:22px;font-size:15px;color:var(--ink)}
.hero5 .to3d:hover{color:var(--accent)}
.hero5 .to3d+br+.to3d{margin-top:10px}
.kh-shop{margin-top:8px;font-size:14px}.kh-shop a{color:var(--accent);text-decoration:underline;text-underline-offset:3px}
@media (max-width:900px){.hero5 .wrap{grid-template-columns:1fr;gap:40px}.hero5-photo::before{left:10px;top:10px}.hero5-photo{margin-right:10px}}
.svc{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:40px}
.svc li{position:relative}
.svc .no{font-family:var(--en);font-size:15px;letter-spacing:.18em;color:var(--accent);display:block;margin:20px 0 6px}
.svc h3{font-family:var(--jp-serif);font-weight:500;font-size:24px;margin:0 0 8px}
.svc p{color:var(--muted);margin:0;font-size:16px}
.svc li:first-child h3::after{content:"主力";font-family:var(--sans);font-size:12px;letter-spacing:.1em;color:#fff;background:var(--accent);padding:2px 8px;margin-left:10px;vertical-align:middle}
@media (max-width:860px){.svc{grid-template-columns:1fr;gap:48px}}
.str{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line)}
.str > div{padding:36px 28px 36px 0;border-bottom:1px solid var(--line)}
.str > div + div{padding-left:28px;border-left:1px solid var(--line)}
.str b{display:block;font-family:var(--en);font-weight:400;font-size:clamp(40px,4.4vw,58px);line-height:1}
.str b small{font-family:var(--jp-serif);font-size:18px;margin-left:4px}
.str h3{font-size:19px;margin:16px 0 6px}
.str p{color:var(--muted);margin:0;font-size:16px}
@media (max-width:860px){.str{grid-template-columns:1fr}.str > div + div{padding-left:0;border-left:0}}
/* 3D（ここだけ演出を強める） */
.sim-dark{background:radial-gradient(ellipse at 30% 20%,#2A2C30 0%,#141517 45%,#0B0C0D 85%);color:var(--dtext);padding:120px 0}
.sim-hd{max-width:40em;margin-bottom:56px}
.sim-hd .label{color:var(--dmuted)}
.sim-hd h2{color:var(--dtext);font-size:clamp(34px,4.6vw,60px);line-height:1.3;margin:0 0 20px}
.sim-hd p{color:#B9BABD;margin:0}
.sim-hd p.sim-shop{margin-top:10px;font-size:14px}.sim-shop a{color:#fff;text-decoration:underline;text-underline-offset:3px}
.sim-dark .bld{grid-template-columns:1.05fr .95fr;gap:64px}
.sim-dark .bld-stage{position:sticky;top:96px;background:radial-gradient(circle at 50% 42%,#3A3C41 0%,#1D1E21 55%,#0E0F11 85%);border:1px solid var(--dline);padding:20px;overflow:hidden}
.sim-dark .spot{position:absolute;left:50%;top:-30%;width:120%;height:90%;transform:translateX(-50%);background:radial-gradient(ellipse at 50% 0,rgba(255,255,255,.14),transparent 62%);pointer-events:none}
.sim-dark .bld-fb{display:block;width:78%;margin:6% auto;aspect-ratio:1/1;object-fit:contain}
.has3d .sim-dark .bld-fb{display:none}
.sim-dark .beam{position:absolute;left:0;right:0;top:0;height:2px;background:linear-gradient(90deg,transparent,#FF8A2A 30%,#FFD2A6 50%,#FF8A2A 70%,transparent);box-shadow:0 0 18px 4px rgba(255,120,30,.55);opacity:0;pointer-events:none}
.sim-dark .bld-stage.lasing .beam{animation:beam .9s ease-in-out}
.sim-dark .bld-stage.lasing::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 50% 55%,rgba(255,130,40,.22),transparent 50%);animation:flash .9s ease forwards;pointer-events:none}
@keyframes beam{0%{top:12%;opacity:0}15%{opacity:1}85%{opacity:1}100%{top:82%;opacity:0}}
@media (prefers-reduced-motion:reduce){.sim-dark .bld-stage.lasing .beam,.sim-dark .bld-stage.lasing::after{animation:none}}
.sim-dark .cw3d-bar{color:var(--dmuted)}
.sim-dark .cw3d-reset{color:var(--dtext);border-color:#45474C}
.sim-dark .bld-summary li{border-top-color:var(--dline);color:var(--dtext)}
.sim-dark .bld-summary li span{color:var(--dmuted)}
.sim-dark .bld-step legend{color:var(--dtext)}
.sim-dark .bld-step legend span{color:var(--accent)}
.sim-dark .chs label{background:transparent;border-color:#3E4045;color:var(--dtext)}
.sim-dark .chs label:hover{border-color:#77797E}
.sim-dark .chs label:has(input:checked){border-color:var(--accent);box-shadow:0 0 0 1px var(--accent);background:rgba(243,107,0,.08)}
.sim-dark .chs input{accent-color:var(--accent)}
.sim-dark .chs label:has(.sw) input{position:absolute;opacity:0;pointer-events:none}
.sim-dark .chs label:has(.sw){position:relative}
.sim-dark .chs label:has(.sw):has(input:focus-visible){outline:2px solid var(--accent);outline-offset:2px}
.sim-dark .chs.pics label.pic{background:#F4F3EF;color:#2B2A28}
.sim-dark .sw{width:14px;height:14px;border-radius:50%;flex:none;box-shadow:inset 0 0 0 1px rgba(255,255,255,.25)}
.sim-dark .bld-text{color:var(--dtext);border-bottom-color:#45474C;font-size:18px}
.sim-dark .bld-text:focus{border-bottom-color:var(--accent)}
.bld-note{font-size:14px;color:var(--dmuted);margin:10px 0 0}
.sim-dark .bld-go{border-top-color:#45474C}
.sim-dark .btn{background:var(--accent);border-color:var(--accent);color:#fff}
.sim-dark .btn:hover{background:#fff;border-color:#fff;color:var(--dark)}
@media (max-width:900px){.sim-dark{padding:80px 0}.sim-dark .bld{grid-template-columns:1fr;gap:36px}.sim-dark .bld-stage{position:relative;top:0}}
.kh-go{flex-direction:column;gap:10px;text-decoration:none;background:radial-gradient(ellipse at 30% 20%,#2A2C30 0%,#141517 60%,#0B0C0D 100%);color:var(--dtext)}
.kh-go .en{color:var(--dmuted)}
.kh-go b{font-family:var(--jp-serif);font-weight:500;font-size:22px}
.kh-go .go{color:var(--accent);font-size:15px;border-bottom:1px solid var(--accent);padding-bottom:2px}
.kh-go:hover .go{color:#fff;border-color:#fff}
.logo .logo-word{align-self:flex-start;width:auto;height:32px;max-width:none;object-fit:contain;flex:none}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.f-hint{display:block;font-size:13px;color:var(--muted);margin-top:6px}
.mbar a:first-child{background:var(--accent);color:#fff}
@media (max-width:860px){.mbar{grid-template-columns:1.6fr 1fr}}