.v33-filter{display:flex;gap:10px;flex-wrap:wrap;margin:18px 0}.v33-filter button{border:1px solid #d9e4e3;background:#fff;border-radius:999px;padding:10px 14px;font-weight:800;cursor:pointer}.v33-filter button.active{background:#0f6b5a;color:#fff;border-color:#0f6b5a}.v33-filter button span{opacity:.75;margin-left:5px}.v33-summary{padding:18px 20px;background:#f2f8f6;border-radius:16px;margin:18px 0 28px}.v33-case-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.v33-case-card{border:1px solid #dfe8e7;border-radius:20px;padding:24px;background:#fff}.v33-case-head{display:flex;justify-content:space-between;gap:12px}.v33-case-head b{color:#0f6b5a}.v33-case-head span{font-size:12px;background:#edf5f3;padding:5px 8px;border-radius:999px}.v33-case-card small{display:block;margin-top:16px;color:#718078}.v33-case-card h2{font-size:19px;line-height:1.45;margin:8px 0 12px}.v33-case-card p{color:#60706a;line-height:1.65}.v33-tags{display:flex;flex-wrap:wrap;gap:6px;margin:14px 0}.v33-tags i{font-style:normal;font-size:11px;background:#f4f6f6;padding:5px 7px;border-radius:8px}.v33-case-card a{font-weight:800;color:#0f6b5a}.v33-detail{max-width:980px;margin:0 auto;padding:70px 24px}.v33-detail .badge{display:inline-block;background:#0f6b5a;color:#fff;border-radius:999px;padding:7px 11px;font-weight:800}.v33-detail h1{font-size:clamp(30px,5vw,52px);line-height:1.2}.v33-detail section{margin:30px 0;padding:24px;border:1px solid #dfe8e7;border-radius:18px}.v33-detail dt{font-weight:800;color:#0f6b5a;margin-top:12px}.v33-detail dd{margin:4px 0 0;line-height:1.7}.v33-back{display:inline-block;margin-top:25px;font-weight:800;color:#0f6b5a}@media(max-width:900px){.v33-case-grid{grid-template-columns:1fr 1fr}}@media(max-width:620px){.v33-case-grid{grid-template-columns:1fr}.v33-filter button{font-size:12px;padding:9px 11px}}


/* V3.3.1 - HOME CASE STUDIES two-axis filter fix */
.case-filter-v331{margin:4px 0 30px;padding:22px;border:1px solid #dfe8e7;border-radius:20px;background:#f8fbfa}
.case-filter-row{display:flex;flex-wrap:wrap;gap:9px;margin:0 0 12px}
.case-filter-row:last-of-type{margin-bottom:0}
.case-filter-row button{border:1px solid #d9e4e3;background:#fff;color:#22313b;border-radius:999px;padding:10px 14px;font-weight:800;cursor:pointer;transition:.2s}
.case-filter-row button:hover{border-color:#0f6b5a}
.case-filter-row button.active{background:#0f6b5a;color:#fff;border-color:#0f6b5a}
.case-filter-row button span{opacity:.78;margin-left:4px}
.case-filter-scope{padding-bottom:12px;border-bottom:1px solid #e5eeec}
.case-filter-summary{margin-top:14px;color:#60706a;font-size:14px}
.case-filter-summary strong{color:#0f6b5a}
.case-state.v331-expansion{background:#0f6b5a;color:#fff}
.case-empty-v331{grid-column:1/-1;padding:42px 24px;text-align:center;border:1px dashed #cad8d5;border-radius:18px;color:#60706a;background:#fbfdfc}
@media(max-width:620px){.case-filter-v331{padding:16px}.case-filter-row{gap:7px}.case-filter-row button{font-size:12px;padding:9px 11px}.v331-case-card .case-top{align-items:flex-start}}

/* V3.3.2 - filter terminology guide */
.case-filter-guide{margin:-2px 0 14px;color:#6b777d;font-size:13px;line-height:1.6}
.case-filter-guide strong{color:#44535a;font-weight:800}
@media(max-width:620px){.case-filter-guide{font-size:12px;margin-bottom:13px}.case-filter-guide span[aria-hidden="true"]{display:none}.case-filter-guide strong:nth-of-type(2)::before{content:"";display:block;margin-top:3px}}


/* MOBILE QA FIX 2026-09-21 */
@media(max-width:620px){
  html,body{max-width:100%;overflow-x:hidden}
  .v33-detail{width:100%;max-width:100%;padding:34px 16px 48px;overflow:hidden}
  .v33-detail h1{font-size:clamp(27px,8.5vw,36px);line-height:1.25;overflow-wrap:anywhere}
  .v33-detail>p{overflow-wrap:anywhere}
  .v33-filter{width:100%;gap:7px;margin:14px 0}
  .v33-filter button{flex:0 1 auto;max-width:100%;white-space:normal;line-height:1.25;text-align:center}
  .v33-summary{width:100%;padding:14px 15px;margin:15px 0 22px;overflow-wrap:anywhere}
  .v33-case-grid{width:100%;min-width:0}
  .v33-case-card{min-width:0;width:100%;padding:18px}
  .v33-case-head{min-width:0;flex-wrap:wrap;align-items:flex-start}
  .v33-case-head>*{max-width:100%;overflow-wrap:anywhere}
  .v33-case-card h2,.v33-case-card p{overflow-wrap:anywhere;word-break:break-word}
  .v33-tags{max-width:100%}
}

/* V3.4 CASE card real-content layout */
.v33-case-card{display:flex;flex-direction:column}.v33-case-card h2{display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:3;overflow:hidden;min-height:82px}.v33-case-card p{display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:4;overflow:hidden;min-height:106px}.v33-tags{margin-top:auto}.v33-case-card>a{margin-top:4px}