:root {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans JP", sans-serif;
  color: #20352e;
  background: #f7f8f4;
  line-height: 1.7;
  font-synthesis: none;
  -webkit-font-smoothing: antialiased;
}
* { box-sizing: border-box; }
body { margin: 0; min-height: 100svh; display: flex; flex-direction: column; }
a { color: inherit; text-underline-offset: 0.3em; }
a:focus-visible { outline: 3px solid #286545; outline-offset: 6px; }
.site-header, .site-footer { padding: 28px clamp(24px, 6vw, 88px); }
.brand { font-size: 15px; font-weight: 700; text-decoration: none; letter-spacing: 0.04em; }
main { flex: 1; display: grid; align-items: center; padding: 48px clamp(24px, 10vw, 144px) 80px; }
.panel { max-width: 800px; }
.eyebrow { font-size: 12px; letter-spacing: 0.18em; font-weight: 600; color: #4c6b5a; margin: 0 0 28px; }
h1 { font-size: clamp(32px, 5.8vw, 68px); line-height: 1.4; letter-spacing: 0.02em; margin: 0 0 28px; overflow-wrap: anywhere; }
.description { color: #5a695f; font-size: clamp(14px, 1.6vw, 17px); line-height: 2; margin: 0 0 36px; }
.status { display: inline-flex; align-items: center; gap: 9px; margin: 0; padding: 6px 14px; border: 1px solid #d1dfd2; border-radius: 999px; font-size: 12px; color: #3d624b; }
.status span { width: 6px; height: 6px; background: #658369; border-radius: 50%; }
.home-link { font-size: 14px; font-weight: 600; }
.site-footer { border-top: 1px solid #e2e6dd; color: #6b776c; font-size: 12px; }
.search-main { display: block; width: 100%; max-width: 1180px; margin: 0 auto; padding: 56px 28px 88px; }
.search-intro { max-width: 780px; margin: 0 auto; }
.search-intro h1 { font-size: clamp(30px, 4.5vw, 49px); letter-spacing: -0.02em; }
.search-form { margin-top: 38px; }
.search-form label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 10px; }
.input-row { display: flex; padding: 7px; gap: 8px; background: #fff; border: 1px solid #ccd8cd; border-radius: 14px; box-shadow: 0 6px 30px #20352e05; }
input, button { font: inherit; }
.input-row input { flex: 1; min-width: 0; border: none; border-radius: 8px; padding: 13px 14px; background: transparent; color: #20352e; font-size: 17px; }
.input-row input:focus-visible { outline: 2px solid #698e72; outline-offset: -2px; }
button { cursor: pointer; border: 0; border-radius: 9px; padding: 12px 20px; color: white; background: #284c3b; font-size: 14px; white-space: nowrap; }
button:hover { background: #37634d; }
button:focus-visible { outline: 3px solid #84a78b; outline-offset: 3px; }
button:disabled { opacity: 0.6; cursor: progress; }
.help { color: #66776b; font-size: 12px; margin: 10px 0 0; }
.search-status { max-width: 780px; margin: 28px auto 0; border-radius: 10px; background: #eaf0e7; padding: 18px 20px; font-size: 14px; overflow-wrap: anywhere; }
.search-status[data-kind="error"] { background: #f7eae4; color: #804530; }
.search-status p { margin: 0; }
.search-status p + p, .search-status a { margin-top: 9px; }
.search-status a { display: inline-block; font-size: 13px; }
.results { max-width: 960px; margin: 34px auto 0; }
.results-summary { font-size: 13px; color: #66776b; margin-bottom: 20px; }
.product-card { display: grid; grid-template-columns: 230px minmax(0, 1fr); gap: 30px; padding: 28px; border: 1px solid #dce3d8; border-radius: 16px; background: #fff; margin-bottom: 24px; }
.product-visual { min-height: 200px; border-radius: 10px; background: #fafbf8; display: flex; flex-wrap: wrap; align-content: center; align-items: center; justify-content: center; gap: 8px; padding: 12px; }
.product-visual img { width: 100%; height: 220px; object-fit: contain; }
.image-placeholder { color: #7e887f; font-size: 12px; }
.source-label { font-size: 11px; color: #687c6c; margin: 0 0 12px; }
.identity-badge { display: inline-block; border-radius: 5px; padding: 2px 7px; background: #f4eee1; color: #866222; margin-left: 7px; }
.identity-badge[data-confirmed="true"] { background: #e9f2e5; color: #406c38; }
.product-name { font-size: 21px; line-height: 1.6; margin: 0 0 20px; overflow-wrap: anywhere; }
.product-fields { display: grid; grid-template-columns: 84px minmax(0, 1fr); gap: 8px 16px; font-size: 13px; margin: 0; }
dt { color: #6d7c6e; }
dd { margin: 0; overflow-wrap: anywhere; white-space: pre-wrap; }
.identity-note { font-size: 12px; color: #7b725e; margin: 18px 0 10px; }
.source-link { font-size: 13px; }
.spec-section { grid-column: 1 / -1; border-top: 1px solid #e6eae2; padding-top: 18px; }
.spec-section h3 { font-size: 14px; margin: 0 0 12px; }
.spec-section h3 span { color: #839181; font-size: 11px; font-weight: 400; margin-left: 5px; }
.spec-list { display: grid; grid-template-columns: minmax(90px, 1fr) 3fr; font-size: 13px; margin: 0; }
.spec-list dt, .spec-list dd { padding: 10px 12px; border-bottom: 1px solid #edf0e9; }
.spec-list dt { background: #fafbf8; }
.spec-empty { font-size: 13px; color: #788572; }
.site-footer { display: flex; flex-wrap: wrap; gap: 10px 28px; justify-content: space-between; }
[hidden] { display: none !important; }
@media (max-width: 600px) {
  .search-main { padding: 28px 20px 60px; }
  .search-intro h1 { font-size: 30px; }
  .description br { display: none; }
  .input-row { flex-wrap: wrap; }
  .input-row input { flex-basis: 100%; font-size: 16px; }
  .input-row button { width: 100%; }
  .product-card { grid-template-columns: minmax(0, 1fr); gap: 20px; padding: 20px; }
  .product-visual { min-height: 120px; }
  .product-visual img { height: 180px; }
  .spec-list { grid-template-columns: 100px minmax(0, 1fr); }
  .product-name { font-size: 18px; }
}
.site-header { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 20px; }
.module-nav { display: flex; gap: 22px; font-size: 13px; }
.module-nav a { text-decoration: none; color: #66776b; }
.module-nav a[aria-current="page"] { color: #20352e; font-weight: 700; text-decoration: underline; }
.price-card, .candidate-card { padding: 28px; background: white; border: 1px solid #dce3d8; border-radius: 16px; margin-bottom: 20px; }
.price-card .eyebrow { margin-bottom: 12px; }
.lowest-price { font-size: clamp(20px, 3vw, 30px); font-weight: 700; color: #284c3b; }
.price-table { width: 100%; border-collapse: collapse; font-size: 14px; margin-bottom: 20px; }
.price-table th, .price-table td { text-align: left; padding: 14px 10px; border-bottom: 1px solid #edf0e9; }
.price-table thead { background: #f7f8f4; font-size: 12px; color: #66776b; }
.price-table tbody th { font-weight: 500; }
.candidate-card h2 { font-size: 18px; margin-top: 0; }
.candidate-card button { margin-top: 16px; margin-right: 20px; }
.candidate-card a { display: inline-block; font-size: 13px; }
@media (max-width: 600px) { .price-card, .candidate-card { padding: 18px; } .price-table { font-size: 12px; } .price-table th, .price-table td { padding: 12px 5px; } .price-table .identity-badge { display: block; width: max-content; margin-left: 0; } }

.source-panel { margin: 36px 0; padding-top: 24px; border-top: 2px solid #ccd8cd; }
.source-panel > h2 { font-size: 22px; margin: 0 0 10px; }
.source-panel > .help { margin-bottom: 18px; }
.comparison-table-wrap { overflow-x: auto; margin-top: 24px; }
.comparison-table-wrap table { min-width: 640px; background: #fff; }
.comparison-table-wrap caption { text-align: left; font-size: 12px; color: #66776b; padding: 8px 0; }
.comparison-table-wrap th { white-space: nowrap; }
.module-nav { flex-wrap: wrap; }

.yamada-images { display:flex; gap:12px; overflow-x:auto; margin:20px 0; }
.yamada-images img { width:160px; height:160px; object-fit:contain; flex-shrink:0; background:#fff; border-radius:8px; }

.unified-card { padding: 28px; margin: 20px 0; border: 1px solid var(--border, #dedfd8); border-radius: 18px; background: #fff; overflow-wrap: anywhere; }
.unified-card h2 { line-height: 1.55; font-size: 1.3rem; }
.unified-heading .eyebrow { margin: 0 0 10px; }
.unified-note { padding: 14px 16px; background: #f2f5ef; border-radius: 10px; line-height: 1.7; }
.unified-fields { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin-top: 24px; }
.unified-field { padding: 16px 0; border-bottom: 1px solid #e7e9e2; min-width: 0; }
.unified-field h3 { font-size: 1rem; margin: 0 0 10px; }
.unified-value { padding: 6px 0; }
.unified-value p { margin: 6px 0; }
.unified-card details, .source-details { margin-top: 20px; }
.unified-card summary, .source-details > summary, details.source-panel > summary { cursor: pointer; line-height: 1.7; font-weight: 600; padding: 8px 0; }
.unified-gallery { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 14px; }
.unified-gallery figure { margin: 0; padding: 12px; border: 1px solid #e7e9e2; border-radius: 10px; }
.unified-gallery img { display: block; width: 100%; height: 160px; object-fit: contain; margin-bottom: 12px; }
.unified-gallery figcaption { font-size: .85rem; line-height: 1.6; }
.unified-choose { border: 0; background: #324e42; color: white; padding: 12px 16px; border-radius: 9px; cursor: pointer; margin: 12px 0; }
@media (max-width: 720px) { .unified-card { padding: 18px; } .unified-fields { grid-template-columns: 1fr; } }