/* Coffee-pouch application study and its Applications-page entrance. */
.case-feature-section { padding: 0 0 36px; }
.case-feature { display: grid; grid-template-columns: 1fr 1.1fr; align-items: center; gap: 44px; padding: 44px; border: 1px solid var(--line); border-radius: 18px; background: var(--light); transition: border-color .2s; }
.case-feature:hover { border-color: #73bfb9; }
.case-feature h2 { font-size: clamp(30px, 3.4vw, 46px); line-height: 1.15; letter-spacing: -.04em; margin: 16px 0; }
.case-feature p { color: var(--muted); max-width: 470px; }
.case-feature figure { margin: 0; }
.case-feature img { display: block; width: 100%; border-radius: 10px; }
.case-feature-link { display: inline-flex; align-items: center; gap: 30px; color: var(--blue); font-weight: 700; margin-top: 22px; }
.coffee-case h1, .coffee-case h2 { letter-spacing: -.045em; line-height: 1.12; }
.coffee-case h3 { line-height: 1.3; margin: 0 0 14px; font-size: 23px; letter-spacing: -.025em; }
.case-hero { background: linear-gradient(135deg,#f4f8fa,#fff 75%); padding: 32px 0 0; }
.case-crumb { display: flex; flex-wrap: wrap; gap: 10px; color: var(--muted); font-size: 12px; margin-bottom: 48px; }
.case-crumb a:hover { color: var(--blue); }
.case-hero-grid { display: grid; grid-template-columns: .9fr 1.15fr; gap: 48px; align-items: center; }
.coffee-case h1 { font-size: clamp(42px,4.7vw,66px); margin: 18px 0 24px; }
.case-lead { max-width: 500px; color: var(--muted); font-size: 18px; }
.case-tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 24px 0; }
.case-tags span { color: #245659; background: #e6f3f1; border: 1px solid #cde6e2; padding: 5px 10px; border-radius: 5px; font-size: 11px; font-weight: 650; }
.case-hero-figure { margin: 0; }
.case-hero-figure img { width: 100%; display: block; border-radius: 12px; border: 1px solid var(--line); }
.coffee-case figcaption { color: var(--muted); font-size: 11px; line-height: 1.6; margin-top: 12px; }
.case-facts { display: grid; grid-template-columns: 1fr 1.5fr 1.3fr 1fr; padding: 28px 0; margin: 44px 0 0; border-top: 1px solid var(--line); gap: 24px; }
.case-facts dt { font-size: 10px; text-transform: uppercase; letter-spacing: .12em; color: var(--muted); margin-bottom: 8px; }
.case-facts dd { margin: 0; font-size: 14px; font-weight: 650; }
.case-facts a { color: var(--blue); }
.case-jump { border-block: 1px solid var(--line); background: #fff; }
.case-jump .container { display: flex; gap: 34px; padding-block: 17px; overflow-x: auto; }
.case-jump a { white-space: nowrap; font-size: 12px; font-weight: 700; }
.case-jump a:hover { color: var(--blue); }
.case-section { padding: 76px 0; scroll-margin-top: 105px; }
.case-heading { display: grid; grid-template-columns: 1.05fr 1fr; align-items: end; gap: 70px; margin-bottom: 38px; }
.case-heading h2 { font-size: clamp(32px,3.5vw,46px); margin: 16px 0 0; }
.case-heading > p { color: var(--muted); max-width: 490px; margin: 0; }
.case-light { background: var(--light); }
.case-pass { padding: 26px 30px; border: 1px solid var(--line); border-radius: 12px; margin: 14px 0; }
.case-pass-title { display: flex; gap: 20px; align-items: center; }
.case-pass-title > span { display: grid; place-items: center; background: #e6f3f1; color: #187d7a; width: 44px; height: 44px; flex-shrink: 0; border-radius: 50%; font-weight: 700; }
.case-pass-title h3 { margin-bottom: 2px; }
.case-pass-title p { color: var(--muted); font-size: 13px; margin: 0; }
.case-flow { display: flex; flex-wrap: wrap; align-items: center; list-style: none; padding: 0; gap: 12px 28px; margin: 24px 0 0; }
.case-flow li { position: relative; border-radius: 6px; background: #f0f5f8; padding: 10px 14px; font-weight: 600; font-size: 12px; }
.case-flow li:not(:last-child)::after { content: '→'; position: absolute; right: -22px; color: #198984; }
.case-note { font-size: 12px; line-height: 1.7; color: var(--muted); margin: 20px 0 0; max-width: 980px; }
.case-table-wrap { overflow-x: auto; margin-top: 32px; }
.case-table { border-collapse: collapse; width: 100%; text-align: left; font-size: 14px; min-width: 640px; }
.case-table caption { text-align: left; font-size: 17px; font-weight: 700; margin-bottom: 16px; }
.case-table th, .case-table td { border-bottom: 1px solid var(--line); padding: 19px 20px; vertical-align: top; }
.case-table thead { background: var(--navy); color: #fff; font-size: 12px; }
.case-table tbody tr:nth-child(even) { background: #f4f8fa; }
.case-table small { color: var(--muted); font-size: 12px; }
.case-materials { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.case-materials article { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 30px; }
.case-material-label { display: block; color: #168a86; letter-spacing: .12em; font-size: 11px; font-weight: 750; margin-bottom: 28px; }
.case-materials p, .case-two-col p { color: var(--muted); font-size: 14px; margin-bottom: 0; }
.case-principle { display: grid; grid-template-columns: 1fr 1.1fr; gap: 44px; background: #e5f0f0; border-radius: 10px; padding: 30px; margin-top: 24px; }
.case-principle h3 { font-size: 21px; margin: 10px 0 0; }
.case-principle p { color: #466773; font-size: 14px; margin: 0; }
.case-text-link { display: inline-block; color: #108b87; font-size: 13px; font-weight: 700; margin-top: 24px; }
.case-temperature { display: grid; grid-template-columns: repeat(3,1fr); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.case-temperature > div { padding: 28px 32px; background: #f0f7f6; }
.case-temperature > div:nth-child(2) { background: #e7f1ef; }
.case-temperature > div:nth-child(3) { background: #dbece8; }
.case-temperature > div > span { font-size: 11px; text-transform: uppercase; letter-spacing: .12em; font-weight: 700; }
.case-temperature strong { display: block; font-size: clamp(29px,3.5vw,48px); letter-spacing: -.04em; margin-top: 12px; }
.case-temperature strong span { font-size: 22px; margin-left: 4px; }
.case-temperature p { font-size: 12px; color: #426270; }
.case-two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; margin-top: 36px; }
.case-dark { background: var(--navy); color: #fff; }
.case-dark .eyebrow { color: #88d6cc; }
.case-dark .case-heading > p, .case-dark-note { color: #b7ccd7; }
.case-diagnostics { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; align-items: start; }
.case-diagnostics details { border: 1px solid #35546a; border-radius: 10px; background: #17394f; padding: 24px; }
.case-diagnostics summary { cursor: pointer; font-size: 17px; font-weight: 650; }
.case-diagnostics summary span { color: #82d4ca; margin-right: 10px; font-size: 12px; }
.case-diagnostics p { font-size: 14px; color: #c6d6df; margin: 18px 0 0; }
.case-dark-note { font-size: 12px; max-width: 840px; margin: 28px 0 0; }
.case-speed { display: grid; grid-template-columns: repeat(3,1fr); list-style: none; margin: 0; padding: 0; gap: 18px; }
.case-speed li { padding: 24px 30px; border: 1px solid var(--line); border-radius: 10px; }
.case-speed li:last-child { background: var(--navy); color: #fff; }
.case-speed li > span { font-size: 11px; color: var(--muted); }
.case-speed li:last-child > span { color: #86d2c8; }
.case-speed strong { display: block; font-size: 44px; letter-spacing: -.04em; }
.case-speed small { font-size: 14px; letter-spacing: 0; font-weight: 500; }
.case-result { border-left: 3px solid #37b2a7; padding: 22px 28px; margin: 24px 0 32px; background: #f0f7f5; }
.case-result p { font-size: 24px; margin: 8px 0 12px; letter-spacing: -.02em; }
.case-result small { display: block; max-width: 840px; color: var(--muted); font-size: 12px; }
.case-wide-figure { margin: 0; }
.case-wide-figure img { display: block; width: 100%; max-width: 1000px; margin: auto; border: 1px solid var(--line); border-radius: 12px; }
.case-wide-figure figcaption { max-width: 1000px; margin: 12px auto 0; }
.case-verification { display: grid; grid-template-columns: 1fr 1fr; gap: 54px; margin-top: 38px; padding-top: 32px; border-top: 1px solid var(--line); }
.case-verification p { color: var(--muted); font-size: 14px; }
.case-verification ul { padding-left: 20px; margin: 0; font-size: 14px; }
.case-verification li { margin-bottom: 12px; }
.case-actions { display: flex; flex-wrap: wrap; gap: 16px 28px; align-items: center; }
.case-actions .case-text-link { margin-top: 0; }
@media (max-width: 900px) {
 .case-hero-grid, .case-feature { grid-template-columns: 1fr; }
 .case-hero-grid { gap: 32px; }
 .case-hero-figure { max-width: 720px; }
 .case-heading { gap: 30px; }
 .case-materials { grid-template-columns: 1fr; }
 .case-material-label { margin-bottom: 14px; }
 .case-facts { grid-template-columns: 1fr 1fr; }
 .case-principle { grid-template-columns: 1fr; gap: 16px; }
}
@media (max-width: 600px) {
 .case-section { padding: 50px 0; }
 .case-feature { padding: 24px; gap: 26px; }
 .case-heading, .case-two-col, .case-verification, .case-diagnostics { grid-template-columns: 1fr; gap: 22px; }
 .case-crumb { margin-bottom: 28px; }
 .case-pass { padding: 22px 18px; }
 .case-flow { flex-direction: column; align-items: stretch; gap: 18px; }
 .case-flow li:not(:last-child)::after { content: '↓'; right: auto; bottom: -18px; left: 50%; }
 .case-temperature { grid-template-columns: 1fr; }
 .case-temperature > div { padding: 22px; }
 .case-temperature strong { font-size: 38px; }
 .case-speed { gap: 8px; }
 .case-speed li { padding: 16px 10px; }
 .case-speed strong { font-size: 29px; }
 .case-speed small { display: block; font-size: 12px; }
 .case-jump .container { gap: 24px; }
 .case-facts dd { font-size: 12px; }
 .case-result { padding: 20px; }
 .case-actions .btn { width: 100%; }
}
/* Preserve the approved illustration aspect ratios despite intrinsic dimensions. */
.case-feature img, .case-hero-figure img, .case-wide-figure img { height: auto; object-fit: contain; }