.optimization-hero { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 48px; }
.optimization-hero h1 { font-size: clamp(31px, 3vw, 44px); line-height: 1.45; }
.optimization-hero > div > p { font-size: 14px; line-height: 1.95; }
.product-visual { margin: 0; min-width: 0; overflow: hidden; align-self: center; background: var(--navy); border: 1px solid var(--line); border-radius: 6px; box-shadow: 0 12px 35px #112b430b; }
.product-visual img { display: block; width: 100%; height: auto; }
.product-visual figcaption { padding: 15px 18px; background: #fff; font-size: 12px; line-height: 1.8; color: var(--text); }
.product-visual figcaption > span { display: block; color: var(--muted); font-size: 10px; margin-top: 6px; }
.optimization-overview { display: grid; grid-template-columns: minmax(0, 1fr) 315px; gap: 80px; }
.optimization-overview h2 { font-size: clamp(27px, 2.5vw, 35px); }
.optimization-overview .section-description { font-size: 15px; }
.product-scope h3 { font-size: 22px; line-height: 1.55; }
.product-scope .small-note { font-size: 11px; }
.product-section-intro { max-width: 900px; font-size: 14px; line-height: 1.95; margin-bottom: 30px; }
.product-function-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.product-function-card { display: flex; flex-direction: column; min-width: 0; border: 1px solid var(--line); border-radius: 5px; padding: 28px 30px 24px; }
.product-function-top { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 22px; }
.product-function-top > span:first-child { font: 12px/1.5 Arial, sans-serif; color: var(--blue); }
.product-function-en { color: var(--muted); font-size: 10px; letter-spacing: .04em; margin-bottom: 8px; }
.product-function-card h3 { font-size: 22px; line-height: 1.5; margin-bottom: 13px; }
.product-function-card > p { font-size: 14px; line-height: 1.95; margin-bottom: 22px; }
.product-function-card .product-function-condition { margin: auto 0 0; border-top: 1px solid var(--line); padding-top: 17px; font-size: 12px; color: var(--muted); }
.product-function-condition > strong { display: block; color: var(--ink); font-size: 11px; margin-bottom: 5px; }
.product-proposal { background: #f7f2e7; color: #806a39; }
.product-data-band { background: var(--paper); border-block: 1px solid var(--line); }
.product-spec-table { width: 100%; table-layout: fixed; border-collapse: collapse; background: #fff; border-top: 2px solid var(--ink); font-size: 13px; line-height: 1.95; }
.product-spec-table th, .product-spec-table td { text-align: left; vertical-align: top; padding: 19px 22px; border-bottom: 1px solid var(--line); overflow-wrap: anywhere; }
.product-spec-table thead th { font-size: 12px; background: #eaf0f3; }
.product-spec-table thead th:first-child { width: 22%; }
.product-spec-table tbody th { font-weight: 600; color: var(--ink); background: #f8fafb; }
.product-spec-table td { color: var(--text); }
.product-verification { display: flex; align-items: flex-start; gap: 30px; margin-top: 26px; padding-top: 22px; font-size: 12px; }
.product-verification > strong { flex-shrink: 0; }
.product-verification ul { margin: 0; padding-left: 18px; color: var(--muted); }
.product-verification li + li { margin-top: 6px; }
.product-scenario-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
.product-scenario-grid > article { min-width: 0; border-top: 2px solid var(--blue); padding: 25px 22px; background: var(--paper); border-radius: 0 0 4px 4px; }
.product-scenario-label { font-size: 10px; color: var(--muted); display: block; margin-bottom: 15px; }
.product-scenario-grid h3 { font-size: 21px; line-height: 1.6; }
.product-scenario-grid p { font-size: 13px; line-height: 1.95; margin-bottom: 0; }
.product-adoption .steps-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 26px; margin-block: 30px; }
.product-adoption .steps-list li { padding-right: 10px; }
@media (max-width: 1100px) {
  .optimization-hero { gap: 30px; }
  .optimization-overview { gap: 40px; grid-template-columns: minmax(0, 1fr) 280px; }
  .product-function-card { padding: 25px; }
  .product-spec-table th, .product-spec-table td { padding: 17px; }
  .product-scenario-grid { gap: 16px; }
}
@media (max-width: 960px) {
  .optimization-hero { grid-template-columns: minmax(0, 1fr); gap: 30px; }
  .optimization-hero h1 { font-size: 38px; }
  .optimization-hero .product-visual { max-width: 720px; width: 100%; }
  .optimization-overview { grid-template-columns: minmax(0, 1fr); gap: 32px; }
  .product-scope { max-width: none; }
  .product-scenario-grid { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 700px) {
  .optimization-hero h1 { font-size: clamp(29px, 7.8vw, 38px); }
  .optimization-hero > div > p { font-size: 14px; }
  .product-visual figcaption { padding: 14px 16px; font-size: 11px; }
  .product-visual figcaption > span { font-size: 9px; }
  .product-section-intro { font-size: 13px; }
  .product-function-grid { grid-template-columns: minmax(0, 1fr); gap: 16px; }
  .product-function-card { padding: 24px 22px; }
  .product-function-card h3 { font-size: 21px; }
  .product-function-card > p { font-size: 13px; }
  .product-function-card .product-function-condition { font-size: 12px; }
  .product-spec-table thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }
  .product-spec-table, .product-spec-table tbody, .product-spec-table tr, .product-spec-table th, .product-spec-table td { display: block; width: 100%; }
  .product-spec-table { border-top: 0; background: transparent; }
  .product-spec-table tr { background: #fff; border: 1px solid var(--line); border-radius: 4px; overflow: hidden; }
  .product-spec-table tr + tr { margin-top: 15px; }
  .product-spec-table th, .product-spec-table td { padding: 16px 19px; font-size: 12px; }
  .product-spec-table td:last-child { border-bottom: 0; }
  .product-spec-table td::before { content: attr(data-label); display: block; font-size: 10px; color: var(--muted); margin-bottom: 5px; }
  .product-verification { flex-direction: column; gap: 12px; font-size: 11px; }
  .product-scenario-grid > article { padding: 23px; }
  .product-scenario-grid h3 { font-size: 21px; }
  .product-adoption .steps-list { grid-template-columns: minmax(0, 1fr); gap: 0; }
}