/* Tieshome デジタルカタログ — 深緑・グレージュ・木質感 */
:root{
  --green:#1f3a2e;--green-deep:#142820;--greige:#d8d1c4;--greige-light:#efeae0;--paper:#f7f4ee;
  --wood:#a67c52;--wood-dark:#7a5738;--ink:#1c201d;--ink-soft:#5b605a;--line:#d3ccbe;
  --en:"Barlow Condensed","Arial Narrow",Impact,sans-serif;
  --jp:"Zen Kaku Gothic New","Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;
  --pw:210mm;--ph:297mm;
}
*{box-sizing:border-box}
html,body{margin:0;background:#e9e4da;color:var(--ink);font-family:var(--jp);font-size:14px;line-height:1.9;letter-spacing:.03em;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
h1,h2,h3,p,dl,dd,ul{margin:0}
img{max-width:100%;display:block}
button{font-family:inherit}

/* ===== 本棚 ===== */
.shelf{max-width:1200px;margin:0 auto;padding:clamp(28px,5vw,72px) clamp(16px,4vw,48px) 96px}
.shelf-head{display:grid;gap:8px;margin-bottom:clamp(28px,4vw,48px)}
.shelf-head .en{font-family:var(--en);font-weight:700;font-size:clamp(44px,7vw,88px);line-height:.95;letter-spacing:.02em;text-transform:uppercase;color:var(--green)}
.shelf-head .jp{font-size:13px;letter-spacing:.24em;color:var(--wood-dark)}
.shelf-head p{color:var(--ink-soft);max-width:40em}
.books{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:clamp(16px,2.5vw,32px)}
.book{display:grid;gap:12px;align-content:start;text-align:left;background:none;border:0;padding:0;cursor:pointer;color:inherit}
.book .cover{aspect-ratio:210/297;box-shadow:0 18px 40px -18px rgba(20,40,32,.45),0 2px 0 rgba(0,0,0,.05);transition:transform .35s;overflow:hidden;position:relative}
.book:hover .cover{transform:translateY(-6px)}
.book .cover .page{transform:scale(var(--s,1));transform-origin:0 0;position:absolute;inset:0}
.book b{font-size:16px;font-weight:700;letter-spacing:.06em}
.book span{font-size:12px;color:var(--ink-soft)}
.book .meta{font-family:var(--en);font-size:12px;letter-spacing:.16em;color:var(--wood-dark)}
@media (max-width:900px){.books{grid-template-columns:repeat(2,minmax(0,1fr))}}

/* ===== ビューア ===== */
button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid #bb956e;outline-offset:4px}
.shelf-head>p,.book>span:not(.meta){font-size:16px}
.back-home,.shelf-head .jp{font-size:14px}
.catalog-detail-link{display:inline-block;border-bottom:1px solid currentColor;margin-top:20px;font-size:17px;font-weight:700}
.viewer.zoomed .stage{overflow:auto;display:block}
.viewer.zoomed .spread{display:block;width:794px;height:1123px;aspect-ratio:auto;margin:0 auto}
.viewer.zoomed .pg.right{width:794px;height:1123px}
.viewer.zoomed .pg.left,.viewer.zoomed .spine{display:none}
.viewer.zoomed .arrow{position:fixed;top:auto;bottom:72px;z-index:10}
.vbar .tools>*{min-height:44px;font-size:14px;letter-spacing:0}
@media(max-width:760px){.vbar{flex-wrap:wrap}.vbar .tools{width:100%;justify-content:space-between}.vbar .title b{font-size:16px}.vbar button,.vbar a{padding:5px 10px}.vfoot{font-size:14px}.shelf{padding:30px 20px}.books{gap:28px 18px}}
.viewer{position:fixed;inset:0;z-index:50;background:#1a221d;color:#fff;display:grid;grid-template-rows:auto 1fr auto;padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}
.viewer[hidden]{display:none}
.vbar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 16px;background:rgba(0,0,0,.25)}
.vbar .title{display:grid;line-height:1.2}
.vbar .title b{font-family:var(--en);font-size:18px;font-weight:600;letter-spacing:.12em}
.vbar .title span{font-size:11px;color:#aab5aa;letter-spacing:.1em}
.vbar .tools{display:flex;gap:6px}
.vbar button,.vbar a{border:1px solid rgba(255,255,255,.25);background:none;color:#fff;font-family:var(--en);font-size:13px;letter-spacing:.14em;padding:6px 12px;cursor:pointer;display:inline-flex;align-items:center;gap:6px}
.vbar button:hover,.vbar a:hover{background:rgba(255,255,255,.12)}
.stage{position:relative;display:grid;place-items:center;overflow:hidden;padding:12px}
.spread{position:relative;display:grid;grid-template-columns:1fr 1fr;width:min(calc(100vw - 120px),calc((100vh - 140px) * 2 * 0.7071));aspect-ratio:2/1.4142;perspective:2600px;filter:drop-shadow(0 30px 50px rgba(0,0,0,.5))}
.spread .pg{position:relative;overflow:hidden;background:var(--paper)}
.spread .pg.blank{background:transparent;filter:none}
.spread .pg .page{position:absolute;inset:0;transform-origin:0 0;transform:scale(var(--s,1))}
.spine{position:absolute;top:0;bottom:0;left:50%;width:2px;background:linear-gradient(90deg,rgba(0,0,0,.25),rgba(0,0,0,.05));z-index:3;pointer-events:none}
.leaf{position:absolute;top:0;bottom:0;left:50%;width:50%;transform-origin:left center;transform-style:preserve-3d;z-index:5;pointer-events:none}
.leaf.back{left:0;transform-origin:right center}
.leaf .face{position:absolute;inset:0;overflow:hidden;background:var(--paper);backface-visibility:hidden}
.leaf .face.rev{transform:rotateY(180deg)}
.leaf .face .page{position:absolute;inset:0;transform-origin:0 0;transform:scale(var(--s,1))}
.leaf.go{transition:transform .9s cubic-bezier(.4,.05,.3,1)}
.leaf.fwd.go{transform:rotateY(-180deg)}
.leaf.back.go{transform:rotateY(180deg)}
.arrow{position:absolute;top:50%;transform:translateY(-50%);width:48px;height:48px;border-radius:50%;border:1px solid rgba(255,255,255,.3);background:rgba(0,0,0,.3);color:#fff;font-family:var(--en);font-size:22px;cursor:pointer;display:grid;place-items:center}
.arrow:hover{background:rgba(255,255,255,.15)}
.arrow.prev{left:16px}.arrow.next{right:16px}
.arrow[disabled]{opacity:.25;cursor:default}
.vfoot{display:flex;align-items:center;justify-content:center;gap:16px;padding:10px 16px;background:rgba(0,0,0,.25);font-family:var(--en);letter-spacing:.14em;font-size:13px}
.vfoot input[type=range]{width:min(420px,50vw);accent-color:var(--wood)}
.thumbs{position:absolute;left:0;right:0;bottom:0;display:flex;gap:6px;overflow-x:auto;padding:10px 16px;background:rgba(0,0,0,.6);z-index:8}
.thumbs[hidden]{display:none}
.thumbs button{flex:none;width:56px;aspect-ratio:210/297;border:2px solid transparent;background:var(--paper);padding:0;position:relative;overflow:hidden;cursor:pointer}
.thumbs button.on{border-color:var(--wood)}
.thumbs button .page{position:absolute;inset:0;transform-origin:0 0;transform:scale(var(--s,1))}
@media (max-width:760px){
  .spread{grid-template-columns:1fr;width:min(calc(100vw - 24px),calc((100vh - 140px) * 0.7071));aspect-ratio:210/297}
  .spread .pg.left{display:none}.spine{display:none}.leaf{display:none}
  .arrow.prev{left:4px}.arrow.next{right:4px}
  .vbar .title span{display:none}
}

/* ===== ページ（A4 210×297mm を px 換算 794×1123 で作り、scale で表示） ===== */
.page{width:794px;height:1123px;background:var(--paper);color:var(--ink);position:relative;overflow:hidden;font-size:15px;line-height:1.9}
.page .pad{position:absolute;inset:64px 56px 72px}
.page .foot{position:absolute;left:56px;right:56px;bottom:32px;display:flex;justify-content:space-between;align-items:center;font-family:var(--en);font-size:12px;letter-spacing:.24em;color:var(--ink-soft)}
.page .foot b{font-weight:600;color:var(--green)}
.page.dark{background:var(--green);color:#f1ede4}
.page.dark .foot{color:#aab5aa}.page.dark .foot b{color:#f1ede4}
.page.deep{background:var(--green-deep);color:#f1ede4}
.page.deep .foot{color:#aab5aa}.page.deep .foot b{color:#f1ede4}
.page.greige{background:var(--greige-light)}

.ph{position:relative;overflow:hidden;background:linear-gradient(160deg,var(--a,#c9bda6),var(--b,#8a7355))}
.ph img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.ph::after{content:attr(data-label);position:absolute;left:12px;bottom:8px;font-family:var(--en);font-size:11px;letter-spacing:.18em;color:rgba(255,255,255,.75);text-transform:uppercase}
.ph.t2{--a:#5d7163;--b:#1f3a2e}.ph.t3{--a:#dcd3c2;--b:#a4927a}.ph.t4{--a:#a67c52;--b:#4d3824}.ph.t5{--a:#8e988c;--b:#3c4a40}

.p-en{font-family:var(--en);font-weight:700;text-transform:uppercase;line-height:.95;letter-spacing:.02em;color:var(--green)}
.page.dark .p-en,.page.deep .p-en{color:#f1ede4}
.p-jp{font-size:12px;letter-spacing:.26em;color:var(--wood-dark);display:flex;align-items:center;gap:10px;margin-top:8px}
.p-jp::before{content:"";width:28px;height:1px;background:var(--wood)}
.page.dark .p-jp,.page.deep .p-jp{color:var(--greige)}
.p-head{margin-bottom:28px}
.p-head .p-en{font-size:56px}
.h-jp{font-size:24px;font-weight:500;line-height:1.7;letter-spacing:.1em;text-wrap:balance}
.lead{color:var(--ink-soft);max-width:34em}
.page.dark .lead,.page.deep .lead{color:#c9d1c8}
.body p+p{margin-top:14px}
.sub{font-family:var(--en);font-size:13px;font-weight:600;letter-spacing:.26em;color:var(--wood-dark);display:block;margin-bottom:10px}
.page.dark .sub,.page.deep .sub{color:var(--greige)}

/* 表紙 */
.cover-bg{position:absolute;inset:0}
.cover-bg .ph{position:absolute;inset:0}.cover-bg .ph::after{content:none}
.cover-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,40,32,.1) 30%,rgba(20,40,32,.85))}
.cover-top{position:absolute;left:56px;top:56px;right:56px;display:flex;justify-content:space-between;align-items:center;color:#fff;z-index:2}
.cover-top .logo{font-family:var(--en);font-size:26px;font-weight:600;letter-spacing:.06em;line-height:1}
.cover-top .logo small{display:block;font-family:var(--jp);font-size:10px;letter-spacing:.24em;margin-top:4px;color:var(--greige)}
.cover-top .yr{font-family:var(--en);font-size:13px;letter-spacing:.3em;color:var(--greige)}
.cover-body{position:absolute;left:56px;right:56px;bottom:96px;color:#fff;z-index:2;display:grid;gap:14px}
.cover-body .kicker{font-family:var(--en);font-size:16px;font-weight:600;letter-spacing:.32em;color:var(--greige)}
.cover-body .title{font-family:var(--en);font-weight:700;font-size:96px;line-height:.9;letter-spacing:.01em;text-transform:uppercase}
.cover-body .title em{font-style:normal;color:var(--greige)}
.cover-body .jp{font-size:22px;font-weight:500;letter-spacing:.16em}
.cover-body .sub{font-size:13px;color:#d9dcd6;max-width:36em}

/* 目次 */
.toc{display:grid;gap:0;border-top:1px solid var(--line);margin-top:8px}
.toc div{display:grid;grid-template-columns:64px 1fr auto;gap:16px;align-items:baseline;padding:16px 0;border-bottom:1px solid var(--line)}
.toc b{font-family:var(--en);font-size:26px;font-weight:700;color:var(--green);line-height:1;font-variant-numeric:tabular-nums}
.toc span{font-size:16px;font-weight:500;letter-spacing:.08em}
.toc small{font-family:var(--en);font-size:12px;letter-spacing:.2em;color:var(--wood-dark)}

/* intro：大きな一文＋写真 */
.intro-photo{height:440px;margin:0 -56px 40px}
.intro-photo .ph{height:100%}
.intro .p-en{font-size:64px;margin-bottom:20px}
.intro .h-jp{font-size:28px;margin-bottom:22px}

/* text：見出し＋本文（＋上部写真） */
.text-photo{height:360px;margin:0 -56px 36px}
.text-photo .ph{height:100%}
.note-box{background:var(--greige-light);padding:18px 22px;font-size:13px;color:var(--ink-soft);margin-top:24px;display:grid;gap:4px}
.note-box b{font-family:var(--en);font-size:12px;font-weight:600;letter-spacing:.26em;color:var(--wood-dark)}
.page.dark .note-box{background:rgba(255,255,255,.08);color:#d9dcd6}

/* steps */
.steps{display:grid;gap:0;border-top:1px solid var(--line)}
.steps>div{display:grid;grid-template-columns:76px 1fr;gap:18px;padding:20px 0;border-bottom:1px solid var(--line)}
.steps b{font-family:var(--en);font-size:44px;font-weight:700;line-height:1;color:var(--wood);letter-spacing:.02em}
.steps h3{font-size:17px;font-weight:700;letter-spacing:.08em;margin-bottom:4px}
.steps small{display:block;font-family:var(--en);font-size:12px;letter-spacing:.24em;color:var(--wood-dark);margin-bottom:6px}
.steps p{font-size:13px;color:var(--ink-soft)}
.page.dark .steps{border-color:rgba(255,255,255,.2)}.page.dark .steps>div{border-color:rgba(255,255,255,.15)}.page.dark .steps p{color:#c9d1c8}.page.dark .steps small{color:var(--greige)}

/* grid（写真＋短文のタイル） */
.tiles{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px 20px}
.tiles.c3{grid-template-columns:repeat(3,minmax(0,1fr))}
.tile{display:grid;gap:8px;align-content:start}
.tile .ph{aspect-ratio:4/3}
.tile .ph.tall{aspect-ratio:3/4}
.tile b{font-size:15px;font-weight:700;letter-spacing:.06em}
.tile small{font-family:var(--en);font-size:12px;letter-spacing:.22em;color:var(--wood-dark)}
.tile p{font-size:12.5px;color:var(--ink-soft);line-height:1.8}

/* table */
.tbl{display:grid;grid-template-columns:max-content 1fr;border-top:1px solid var(--line);font-size:13.5px}
.tbl dt,.tbl dd{padding:12px 0;border-bottom:1px solid var(--line)}
.tbl dt{letter-spacing:.12em;color:var(--ink-soft);padding-right:32px;white-space:nowrap}

/* stats */
.stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:2px;margin:26px 0 30px}
.stats div{background:var(--greige-light);padding:22px 20px;display:grid;gap:6px;align-content:start}
.stats b{font-family:var(--en);font-size:48px;font-weight:700;line-height:1;color:var(--green);font-variant-numeric:tabular-nums}
.stats b small{font-family:var(--jp);font-size:13px;font-weight:500;margin-left:4px}
.stats strong{font-size:13.5px;font-weight:700;letter-spacing:.06em}
.stats p{font-size:12px;color:var(--ink-soft);line-height:1.7}
.page.dark .stats div{background:rgba(255,255,255,.08)}.page.dark .stats b{color:#f1ede4}.page.dark .stats p{color:#c9d1c8}

/* columns list（資格一覧など） */
.cols{columns:2;column-gap:36px;font-size:13px;line-height:2.2;color:var(--ink-soft)}
.cols span{display:block;break-inside:avoid;border-bottom:1px dotted var(--line)}
.cols span b{float:right;font-family:var(--en);font-size:14px;font-weight:600;color:var(--green)}

/* faq */
.faq div{padding:18px 0;border-bottom:1px solid var(--line)}
.faq div:first-child{border-top:1px solid var(--line)}
.faq b{display:grid;grid-template-columns:44px 1fr;gap:12px;font-size:15.5px;font-weight:700;letter-spacing:.04em}
.faq b i{font-family:var(--en);font-style:normal;color:var(--wood-dark);font-size:20px}
.faq p{padding-left:56px;font-size:13.5px;color:var(--ink-soft);margin-top:6px}

/* 事例・物件 */
.case-main{height:420px;margin:0 -56px 22px}.case-main .ph{height:100%}
.case-subs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin-bottom:26px}
.case-subs .ph{aspect-ratio:4/3}
.catalog-photo-pair{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:0 0 28px}
.catalog-photo-pair figure{margin:0;min-width:0}
.catalog-photo-pair img{display:block;width:100%;aspect-ratio:3/4;object-fit:cover}
.catalog-photo-pair figcaption{margin-top:10px;font-size:14px;line-height:1.7;color:var(--ink-soft)}
.case-no{font-family:var(--en);font-size:16px;font-weight:600;letter-spacing:.24em;color:var(--wood-dark)}
.case-title{font-size:24px;font-weight:500;line-height:1.6;letter-spacing:.08em;margin:6px 0 14px}
.case-meta{font-size:12px;letter-spacing:.1em;color:var(--ink-soft);margin-bottom:16px}
.case-data{display:grid;grid-template-columns:max-content 1fr;gap:4px 20px;font-size:12.5px;border-top:1px solid var(--line);padding-top:14px;margin-top:20px}
.case-data dt{color:var(--ink-soft);letter-spacing:.1em}
.badge{display:inline-block;font-size:11px;letter-spacing:.16em;padding:3px 12px;background:var(--greige-light);color:var(--wood-dark);margin-bottom:10px}
.page.dark .badge{background:rgba(255,255,255,.12);color:var(--greige)}
.props{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.props .ph{aspect-ratio:4/3}

/* 裏表紙 */
.back-body{position:absolute;inset:64px 56px 72px;display:grid;align-content:space-between}
.back-body .big{font-family:var(--en);font-weight:700;font-size:72px;line-height:.95;text-transform:uppercase}
.back-body .tel{font-family:var(--en);font-weight:700;font-size:52px;letter-spacing:.04em;line-height:1;margin-top:10px}
.back-body dl{display:grid;grid-template-columns:max-content 1fr;gap:6px 22px;font-size:13px;color:#c9d1c8;margin-top:20px}
.back-body .logo{font-family:var(--en);font-size:30px;font-weight:600;letter-spacing:.06em;line-height:1}
.back-body .logo small{display:block;font-family:var(--jp);font-size:10px;letter-spacing:.24em;color:var(--greige);margin-top:4px}
.sns-line{display:flex;gap:26px;margin-top:16px;font-family:var(--en);font-size:13px;letter-spacing:.2em;color:var(--greige)}

/* ===== 印刷（PDF化用） ===== */
.print-wrap{display:none}
@media print{
  html,body{background:#fff}
  .shelf,.viewer{display:none!important}
  .print-wrap{display:block}
  .print-wrap .page{page-break-after:always;break-after:page;transform:none;width:210mm;height:297mm}
  @page{size:A4 portrait;margin:0}
}
body.printing .shelf,body.printing .viewer{display:none}
body.printing .print-wrap{display:block}
body.printing .print-wrap .page{width:794px;height:1123px}

/* 取り扱い商品 */
.makers{display:grid;gap:14px}
.maker{border-top:1px solid var(--line);padding-top:10px}
.maker-head{display:flex;align-items:baseline;gap:14px;margin-bottom:8px}
.maker-head b{font-family:var(--en);font-size:22px;font-weight:700;letter-spacing:.08em;color:var(--green)}
.maker-head span{font-size:11px;letter-spacing:.14em;color:var(--wood-dark)}
.prods{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.prods.c2{grid-template-columns:repeat(2,minmax(0,1fr))}
.prods.c1{grid-template-columns:repeat(2,minmax(0,1fr))}
.prod{display:grid;gap:4px;align-content:start}
.prod .ph{aspect-ratio:16/9}
.prod b{font-size:13px;font-weight:700;letter-spacing:.04em}
.prod p{font-size:11px;color:var(--ink-soft);line-height:1.7}
.src{font-size:10.5px;color:var(--ink-soft);margin-top:12px}
/* 商品タイルは横並び（写真＋説明）にして1ページに収める */
.prods{grid-template-columns:repeat(2,minmax(0,1fr))!important;gap:10px 18px}
.prod{grid-template-columns:132px 1fr;gap:12px;align-items:start}
.prod .ph{aspect-ratio:4/3}
.prod b{font-size:13px}
.prod p{font-size:11px}
.maker{padding-top:8px}
.maker-head{margin-bottom:6px}
.maker-head b{font-size:20px}
.makers{gap:10px}

.back-home{font-family:var(--en);font-size:13px;letter-spacing:.18em;color:var(--wood-dark);margin-bottom:8px}
.back-home:hover{color:var(--green)}