/* このページ内のみに適用。共通ヘッダー・フッターは styles.css を使用。 */
.sheet-page { background:#fff; }
.sheet-hero { background:var(--cream); padding:24px 0 46px; border-bottom:1px solid var(--line); }
.sheet-breadcrumb { display:flex; gap:12px; font-size:12px; color:var(--muted); margin-bottom:34px; }
.sheet-breadcrumb a { color:var(--blue); }
.sheet-hero h1 { font-size:clamp(32px,4vw,50px); line-height:1.5; letter-spacing:-.04em; margin:12px 0 18px; }
.sheet-title-dot { color:var(--blue); }
.sheet-lead { max-width:800px; font-size:17px; line-height:1.9; }
.sheet-screen-note { margin-top:13px; color:var(--muted); font-size:13px; }
.sheet-flow { display:flex; flex-wrap:wrap; list-style:none; gap:24px; margin-top:28px; font-size:14px; font-weight:700; }
.sheet-flow li { display:flex; align-items:center; gap:9px; }
.sheet-flow span { display:grid; place-items:center; width:30px; height:30px; border-radius:50%; color:var(--blue); background:var(--blue-soft); font:800 12px 'DM Sans',sans-serif; }
.sheet-catalog { padding-top:48px; padding-bottom:60px; }
.sheet-section-head { display:flex; align-items:end; justify-content:space-between; gap:20px; margin-bottom:26px; }
.sheet-section-head h2 { margin-top:10px; font-size:25px; line-height:1.6; }
.sheet-section-head > p { color:var(--muted); font-size:13px; }
.sheet-categories { display:flex; flex-wrap:wrap; gap:10px; }
.sheet-category { min-height:44px; padding:8px 17px; border:1px solid #d6dce3; border-radius:24px; background:#fff; color:var(--ink); font-size:14px; font-weight:700; cursor:pointer; }
.sheet-category:hover { border-color:var(--blue); }
.sheet-category[aria-pressed="true"] { background:var(--blue); border-color:var(--blue); color:#fff; }
.sheet-search-row { display:flex; justify-content:space-between; align-items:end; gap:20px; padding:22px 0 28px; }
.sheet-search { font-size:13px; font-weight:700; display:block; width:min(100%,350px); }
.sheet-search input { display:block; margin-top:7px; width:100%; min-height:46px; border:1px solid #ccd4de; border-radius:8px; background:#f8fafc; padding:10px 13px; color:var(--ink); font:inherit; font-size:15px; }
.sheet-result { font-size:14px; color:var(--muted); padding-bottom:10px; white-space:nowrap; }
.sheet-list-heading { display:flex; align-items:center; justify-content:space-between; gap:16px; margin-bottom:20px; }
.sheet-list-heading h2,.sheet-list-heading h3 { font-size:22px; }
.sheet-list-heading p { font-size:13px; color:var(--muted); }
.sheet-grid { display:grid; grid-template-columns:repeat(5,minmax(0,1fr)); gap:20px; list-style:none; }
.sheet-card { min-width:0; border:1px solid #e1e6eb; border-radius:13px; background:#fff; box-shadow:0 4px 16px rgba(32,49,71,.045); overflow:hidden; }
.sheet-card-preview { display:block; width:100%; text-align:left; border:0; background:#fff; color:var(--ink); padding:0; cursor:pointer; }
.sheet-swatch { display:block; height:160px; margin:10px 10px 0; border-radius:7px; border:1px solid rgba(32,49,71,.12); background:var(--swatch); }
.sheet-card-copy { display:flex; flex-direction:column; align-items:start; padding:15px 16px 12px; }
.sheet-number { font:700 14px/1.5 'DM Sans',sans-serif; color:var(--muted); letter-spacing:.03em; }
.sheet-card-name { font-size:16px; font-weight:800; line-height:1.55; min-height:3.1em; margin:5px 0 9px; overflow-wrap:anywhere; }
.sheet-badge { display:inline-block; background:var(--blue-soft); color:var(--blue-deep); border-radius:5px; padding:3px 9px; font-size:12px; font-weight:700; }
.sheet-badge.is-matte { background:#f1ede4; color:#61523a; }
.sheet-card-quote { display:flex; align-items:center; justify-content:center; min-height:46px; margin:0 12px 14px; border:1px solid var(--blue); border-radius:7px; color:var(--blue); font-size:13px; font-weight:800; text-align:center; padding:8px 5px; }
.sheet-card-quote:hover { background:var(--blue); color:#fff; }
.sheet-special { margin-top:44px; padding-top:32px; border-top:1px solid var(--line); }
.sheet-special .sheet-list-heading { align-items:start; margin-bottom:12px; }
.sheet-special .sheet-list-heading p { margin-top:6px; font-size:15px; color:var(--ink); }
.sheet-special-tag { border-radius:6px; padding:6px 12px; background:var(--cream); color:#67532c; font-size:12px; }
.sheet-special-note { color:var(--muted); font-size:14px; max-width:820px; margin-bottom:22px; }
.sheet-card.is-special .sheet-swatch,.sheet-dialog-swatch.is-special { background:var(--swatch); }
.sheet-card.is-special .sheet-swatch[data-color="gold"],.sheet-dialog-swatch[data-color="gold"] { background:#d8b52c; }
.sheet-card.is-special .sheet-swatch[data-color="stainless"],.sheet-dialog-swatch[data-color="stainless"] { background:repeating-linear-gradient(0deg,rgba(255,255,255,.24) 0 1px,rgba(65,75,85,.17) 1px 2px,transparent 2px 4px),#a7adb3; }
.sheet-card.is-special .sheet-badge { background:#f1ede4; color:#61523a; }
.sheet-empty { padding:40px 20px; text-align:center; background:#f5f8fa; border-radius:10px; }
.sheet-notes { background:#f4f7fa; padding:40px 0; }
.sheet-notes h2 { font-size:22px; margin-bottom:16px; }
.sheet-notes ul { list-style:none; color:var(--muted); font-size:14px; line-height:2; }
.sheet-notes > .container > p { margin-top:20px; font-size:14px; }
.sheet-product-links { display:flex; flex-wrap:wrap; gap:12px 28px; margin-top:15px; color:var(--blue); font-size:14px; font-weight:700; }
.sheet-contact { padding:48px 0; background:var(--cream); }
.sheet-contact .container { display:flex; justify-content:space-between; align-items:center; gap:24px; }
.sheet-contact h2 { font-size:26px; line-height:1.65; margin:12px 0; }
.sheet-contact p:not(.eyebrow) { color:var(--muted); font-size:14px; }
.sheet-dialog { border:0; padding:0; border-radius:18px; width:min(540px,calc(100% - 32px)); max-height:calc(100dvh - 32px); color:var(--ink); background:#fff; box-shadow:var(--shadow); overflow:auto; }
.sheet-dialog::backdrop { background:rgba(20,34,51,.6); }
.sheet-dialog-inner { position:relative; padding:20px; }
.sheet-dialog-close { display:flex; align-items:center; gap:12px; margin:0 0 14px auto; min-height:44px; padding:6px 12px; border:1px solid #d9e0e6; border-radius:7px; background:#fff; color:var(--ink); cursor:pointer; font-size:14px; }
.sheet-dialog-close span { font-size:24px; }
.sheet-dialog-swatch { height:210px; border-radius:10px; background:var(--swatch); border:1px solid rgba(32,49,71,.12); }
.sheet-dialog-copy { padding:20px 4px 4px; }
.sheet-dialog-copy h2 { font-size:25px; line-height:1.5; margin:6px 0 12px; }
.sheet-dialog-copy > p:not(.sheet-number) { color:var(--muted); font-size:14px; line-height:1.8; margin-top:18px; }
.sheet-dialog-copy .button { display:flex; min-width:0; margin-top:24px; width:100%; white-space:normal; gap:10px; justify-content:center; font-size:15px; }
body.sheet-dialog-open { overflow:hidden; }
@media(min-width:1440px) { .sheet-grid { grid-template-columns:repeat(6,minmax(0,1fr)); } }
@media(max-width:1100px) { .sheet-grid { grid-template-columns:repeat(4,minmax(0,1fr)); gap:16px; } }
@media(max-width:800px) { .sheet-grid { grid-template-columns:repeat(3,minmax(0,1fr)); } .sheet-section-head { display:block; } .sheet-section-head > p { margin-top:10px; } .sheet-contact .container { align-items:start; flex-direction:column; } }
@media(max-width:600px) {
 .sheet-page .container { width:calc(100% - 32px); }
 .sheet-hero { padding-bottom:30px; } .sheet-breadcrumb { margin-bottom:26px; } .sheet-lead { font-size:15px; } .sheet-flow { gap:10px 18px; font-size:12px; } .sheet-flow span { width:26px; height:26px; }
 .sheet-catalog { padding-top:32px; padding-bottom:40px; } .sheet-section-head h2 { font-size:22px; } .sheet-categories { flex-wrap:nowrap; overflow-x:auto; padding:4px 4px 12px; margin-inline:-4px; } .sheet-category { flex:none; font-size:13px; padding-inline:14px; }
 .sheet-search-row { align-items:start; flex-direction:column; gap:10px; padding-top:16px; padding-bottom:20px; } .sheet-search { width:100%; } .sheet-result { padding:0; } .sheet-list-heading { align-items:start; flex-direction:column; gap:4px; } .sheet-list-heading p { font-size:12px; }
 .sheet-grid { grid-template-columns:repeat(2,minmax(0,1fr)); gap:14px 12px; } .sheet-swatch { height:128px; margin:8px 8px 0; } .sheet-card-copy { padding:12px 12px 14px; } .sheet-card-name { font-size:15px; } .sheet-badge { padding:3px 6px; font-size:11px; }
 .sheet-special { margin-top:32px; } .sheet-special-tag { margin-top:8px; } .sheet-special-note { font-size:13px; } .sheet-notes { padding:30px 0; } .sheet-notes ul { font-size:13px; } .sheet-contact { padding:34px 0; } .sheet-contact h2 { font-size:23px; }
 .sheet-dialog-inner { padding:16px; } .sheet-dialog-swatch { height:170px; } .sheet-dialog-copy h2 { font-size:22px; } .sheet-dialog-copy { padding-top:16px; }
}
@media(prefers-reduced-motion:reduce) { .sheet-page *, .sheet-dialog * { transition:none; } }

.sheet-return-navigation { margin-top:24px; }
.sheet-return-navigation .button { min-width:0; white-space:normal; font-size:14px; }
.sheet-card-preview { height:100%; }
.sheet-card-preview:focus-visible { outline:3px solid var(--blue); outline-offset:-3px; }
.sheet-list-heading > p { max-width:650px; line-height:1.8; }
.sheet-dialog-copy .button span { flex:none; }