/* Shared discovery presentation: only the home fragment and game catalog opt in. */
.dm-catalog-page{margin:0;background:#fbf8f1;color:#243d3b}
.dm-discovery{--ink:#243d3b;--muted:#5d6f68;--line:#dce3d8;--paper:#fffefa;--accent:#246a5e;max-width:1120px;margin:0 auto;padding:32px 24px 44px;color:var(--ink);font-family:system-ui,"Yu Gothic",sans-serif;font-size:16px;line-height:1.65}
.dm-discovery *{box-sizing:border-box}
.dm-discovery [hidden]{display:none!important}
.dm-discovery a{color:inherit;text-decoration:none}
.dm-discovery :is(a,button,select):focus-visible{outline:3px solid #b75315;outline-offset:4px}
.dm-discovery :is(h1,h2,h3,p){padding:0;border:0;background:none;margin:0;letter-spacing:normal}
.dm-discovery h1{font-size:clamp(28px,3.5vw,44px);line-height:1.35;letter-spacing:.015em;font-weight:800}
.dm-discovery h2{font-size:25px;line-height:1.4;font-weight:750}
.dm-discovery h3{font-size:20px;line-height:1.45;font-weight:750;overflow-wrap:anywhere}
.dm-kicker{font-size:13px;font-weight:700;color:var(--accent);letter-spacing:.07em!important;margin-bottom:8px!important}
.dm-lead{font-size:17px;color:var(--muted);margin-top:12px!important}
.dm-mobile-break{display:none}
.dm-discovery-hero{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:4px 0 28px}
.dm-hero-note{display:flex;flex-wrap:wrap;gap:6px 18px;margin-top:16px!important;font-size:13px;color:var(--muted)}
.dm-hero-note span:before{content:'✓';color:var(--accent);font-weight:bold;margin-right:6px}
.dm-hero-note-card{flex:0 0 220px;align-self:stretch;border-left:1px solid var(--line);padding-left:32px;display:flex;flex-direction:column;justify-content:center;color:var(--muted);font-size:13px}
.dm-hero-note-card b{font-size:55px;line-height:1.25;color:var(--accent);font-weight:750}
.dm-hero-note-card small{font-size:15px;margin-left:7px}
.dm-subjects{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px;margin:0 0 38px}
.dm-subject{display:flex;align-items:center;gap:10px;border:1px solid var(--line);border-bottom:3px solid var(--subject-color);border-radius:14px;background:var(--paper);min-height:76px;padding:14px;font-size:17px;font-weight:750;transition:transform .15s,box-shadow .15s}
.dm-subject:hover{transform:translateY(-2px);box-shadow:0 4px 10px #243d3b0c}
.dm-subject small{display:block;font-size:12px;font-weight:500;color:var(--muted)}
.dm-subject-mark{width:34px;height:36px;border-radius:10px;display:grid;place-items:center;background:var(--subject-pale);color:var(--subject-color);font-weight:800;font-size:17px;flex-shrink:0}
.dm-subject[data-subject="science"] .dm-subject-mark,.dm-subject[data-subject="social"] .dm-subject-mark,.dm-subject[data-subject="english"] .dm-subject-mark{font-size:12px}
.dm-subject-arrow{margin-left:auto;font-size:15px;color:var(--muted)}
.dm-discovery [data-subject="japanese"]{--subject-color:#a13d4a;--subject-pale:#fff0f0}
.dm-discovery [data-subject="math"]{--subject-color:#2464a0;--subject-pale:#eaf3ff}
.dm-discovery [data-subject="science"]{--subject-color:#36704e;--subject-pale:#edf6e8}
.dm-discovery [data-subject="social"]{--subject-color:#97600d;--subject-pale:#fff4d9}
.dm-discovery [data-subject="english"]{--subject-color:#70529b;--subject-pale:#f3edfd}
.dm-section-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:15px;margin-bottom:20px}
.dm-text-link{font-size:15px;color:var(--accent)!important;min-height:44px;display:inline-flex;align-items:center;gap:12px;font-weight:700;white-space:nowrap}
.dm-text-link:hover{text-decoration:underline}
.dm-featured-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.dm-game-card{overflow:hidden;background:var(--paper);border:1px solid var(--line);border-radius:18px;box-shadow:0 3px 0 #e7ecdf88;display:flex;flex-direction:column;min-width:0;transition:box-shadow .15s,border-color .15s}
.dm-game-card:hover{border-color:var(--subject-color);box-shadow:0 7px 20px #243d3b0c}
.dm-game-image-link{display:block;overflow:hidden;border-bottom:1px solid var(--line);background:var(--subject-pale)}
.dm-game-image-link img{display:block;width:100%;height:auto;aspect-ratio:16/10;object-fit:cover;object-position:center;border:0;border-radius:0;max-width:100%}
.dm-game-copy{padding:18px;display:flex;flex-direction:column;gap:8px;flex:1;min-width:0}
.dm-game-meta{display:flex;align-items:center;flex-wrap:wrap;gap:5px 8px;color:var(--muted);font-size:12px;line-height:1.5}
.dm-subject-tag{display:inline-flex;align-items:center;background:var(--subject-pale);color:var(--subject-color);font-size:12px;line-height:1.4;font-weight:750;border-radius:5px;padding:4px 7px}
.dm-game-description{font-size:15px;color:var(--muted);line-height:1.65}
.dm-game-topic{font-size:12px;color:var(--accent);margin-top:auto!important;padding-top:3px!important}
.dm-play-link{min-height:44px;border:1px solid #a8bcb0;border-radius:10px;padding:8px 14px;display:flex;align-items:center;justify-content:space-between;font-weight:750;font-size:15px;background:#f7faf2;margin-top:5px}
.dm-play-link:hover{background:#e9f0e3}
.dm-game-card-featured .dm-play-link{background:var(--accent);color:white;border-color:var(--accent)}
.dm-game-card-featured .dm-play-link:hover{background:#175348}
.dm-game-card-featured h3{font-size:19px}
.dm-discovery-more{margin-top:34px;display:flex;justify-content:space-between;align-items:center;gap:24px;padding:26px;border:1px solid #dbe1d1;background:#edf1e4;border-radius:18px}
.dm-discovery-more h2{font-size:22px}.dm-discovery-more p{font-size:14px;margin-top:7px;color:var(--muted)}
.dm-primary-link{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:50px;background:var(--accent);color:white!important;border-radius:12px;padding:12px 22px;font-weight:750;white-space:nowrap}
.dm-primary-link:hover{background:#175348}
.dm-parent-note{color:var(--muted);font-size:13px;margin-top:26px!important;line-height:1.8}
.dm-parent-note a{text-decoration:underline;color:var(--accent);display:inline-block;padding:5px}
.dm-catalog-hero{padding:0 0 22px}
.dm-catalog-hero h1{font-size:34px}
.dm-filters{padding:20px 22px;background:var(--paper);border:1px solid var(--line);border-radius:18px}
.dm-filters fieldset{margin:0;padding:0;border:0;min-width:0}
.dm-filters legend{font-size:13px;font-weight:750;margin-bottom:9px;padding:0}
.dm-filter-chips{display:flex;gap:8px;flex-wrap:wrap}
.dm-filters button,.dm-filters select{font:inherit;color:var(--ink);cursor:pointer;touch-action:manipulation}
.dm-filter-chips button{min-height:46px;border:1px solid var(--line);background:#fff;border-radius:10px;padding:8px 16px;font-weight:700;display:inline-flex;align-items:center;gap:7px;font-size:16px}
.dm-filter-chips button>span:last-child{font-size:12px;color:var(--muted);font-weight:500}
.dm-filter-mark{font-size:11px!important;background:var(--subject-pale);color:var(--subject-color)!important;border-radius:5px;min-width:23px;height:25px;display:grid;place-items:center;font-weight:800!important}
.dm-filter-chips button[aria-pressed="true"]{background:#e9f1e7;border-color:var(--accent);box-shadow:inset 0 0 0 1px var(--accent)}
.dm-grade-row{display:flex;align-items:flex-end;gap:16px;margin-top:16px}
.dm-grade-row label{font-size:13px;font-weight:750;display:flex;align-items:center;gap:12px}
.dm-grade-row select{min-height:46px;max-width:100%;padding:7px 34px 7px 12px;background:#fff;border:1px solid #a8bcb0;border-radius:9px;font-size:16px;min-width:185px}
.dm-filter-reset{border:0;background:none;text-decoration:underline;font-size:14px!important;min-height:46px;padding:8px 4px}
.dm-filter-reset:disabled{color:#6b766f;opacity:.65;cursor:default}
.dm-filter-help{margin-top:12px!important;font-size:12px;color:var(--muted);max-width:680px}
.dm-results-heading{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:25px 0 14px;font-size:14px;scroll-margin-top:70px}
.dm-results-heading p{font-weight:750}.dm-results-heading>span{font-size:12px;color:var(--muted)}
.dm-game-section{margin-bottom:30px}.dm-game-section h2{display:flex;align-items:center;gap:9px;margin-bottom:14px;scroll-margin-top:76px}
.dm-game-section h2 .dm-subject-tag{font-size:17px;padding:5px 12px}.dm-section-count{font-size:13px;font-weight:500;color:var(--muted)}
.dm-game-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.dm-game-grid .dm-game-card{display:grid;grid-template-columns:140px minmax(0,1fr);align-items:start;gap:16px;padding:18px}
.dm-game-grid .dm-game-image-link{border:1px solid var(--line);border-radius:10px;margin-top:3px}
.dm-game-grid .dm-game-copy{padding:0;gap:6px}
.dm-empty{padding:35px;border:1px dashed #b7c8b5;border-radius:16px;background:white;max-width:750px}
.dm-discovery-footer{border-top:1px solid #dce3d8;padding:24px;display:flex;flex-wrap:wrap;align-items:center;max-width:1120px;margin:auto;justify-content:center;font:13px var(--dm-font,system-ui);color:var(--dm-ink,#083579);gap:12px 28px}
.dm-discovery-footer a{color:inherit;display:inline-flex;align-items:center;min-height:44px;text-decoration:underline;text-underline-offset:4px}
.dm-catalog-page .dm-common-header__inner{max-width:1120px}
@media(max-width:900px){.dm-featured-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.dm-game-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.dm-game-grid .dm-game-card{grid-template-columns:90px minmax(0,1fr);gap:12px;padding:14px}.dm-subject{padding:10px;gap:7px}.dm-subject-arrow{display:none}.dm-hero-note-card{flex-basis:175px;padding-left:20px}}
@media(max-width:600px){
 .dm-discovery{padding:23px 16px 30px}.dm-discovery h1{font-size:30px}.dm-mobile-break{display:block}.dm-lead{font-size:15px;line-height:1.7;margin-top:10px!important}
 .dm-kicker{font-size:11px}.dm-discovery-hero{padding:0 0 22px}.dm-hero-note-card{display:none}.dm-hero-note{font-size:12px;gap:4px 12px;margin-top:10px!important}
 .dm-subjects{gap:6px;margin-bottom:28px}.dm-subject{flex-direction:column;gap:4px;padding:9px 3px;min-height:95px;font-size:15px;text-align:center;border-radius:12px}.dm-subject-mark{width:30px;height:30px;font-size:16px}.dm-subject small{font-size:11px}
 .dm-section-heading{align-items:center;gap:8px;margin-bottom:15px}.dm-discovery h2{font-size:22px}.dm-section-heading .dm-kicker{font-size:10px;margin-bottom:5px!important}.dm-text-link{font-size:13px;gap:5px}
 .dm-featured-grid{gap:12px}.dm-game-card-featured{border-radius:14px}.dm-game-card-featured .dm-game-copy{padding:12px;gap:7px}.dm-game-card-featured h3{font-size:17px}.dm-game-card-featured .dm-game-description{font-size:14px;line-height:1.6}.dm-game-card-featured .dm-game-meta{font-size:11px;gap:4px}.dm-game-card-featured .dm-game-topic{font-size:11px}.dm-game-card-featured .dm-play-link{font-size:15px;padding:8px 10px}
 .dm-discovery-more{margin-top:24px;padding:20px;display:block}.dm-discovery-more h2{font-size:20px}.dm-discovery-more .dm-primary-link{margin-top:16px;width:100%}.dm-parent-note{font-size:12px}
 .dm-catalog-hero{padding-bottom:18px}.dm-catalog-hero h1{font-size:28px}.dm-filters{padding:14px;border-radius:14px}.dm-filter-chips{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:7px}.dm-filter-chips button{font-size:14px;padding:8px 5px;gap:5px;justify-content:center;min-height:46px}.dm-filter-mark{display:none!important}.dm-filter-chips button>span:last-child{font-size:11px}
 .dm-grade-row{gap:10px;align-items:flex-end;margin-top:12px}.dm-grade-row label{display:block;min-width:0;flex:1;font-size:12px}.dm-grade-row select{display:block;width:100%;min-width:0;margin-top:5px;font-size:15px;padding-right:25px}.dm-filter-reset{font-size:12px!important;max-width:86px;text-align:center}.dm-filter-help{font-size:11px;line-height:1.65}
 .dm-results-heading{display:block;padding:20px 0 14px}.dm-results-heading>span{display:block;margin-top:3px;font-size:11px}.dm-game-section{margin-bottom:24px}.dm-game-section h2{margin-bottom:11px}
 .dm-game-grid{grid-template-columns:1fr;gap:12px}.dm-game-grid .dm-game-card{display:grid;grid-template-columns:104px minmax(0,1fr);gap:12px;padding:13px;border-radius:14px;align-items:start}.dm-game-grid .dm-game-image-link{border:1px solid var(--line);border-radius:9px;margin-top:3px}.dm-game-grid .dm-game-copy{padding:0;gap:5px}.dm-game-grid h3{font-size:18px}.dm-game-grid .dm-game-description{font-size:14px;line-height:1.6}.dm-game-grid .dm-game-meta{font-size:11px}.dm-game-grid .dm-game-topic{font-size:11px}.dm-game-grid .dm-play-link{min-height:44px;font-size:15px;margin-top:4px}.dm-empty{padding:22px;font-size:15px}.dm-discovery-footer{padding:20px 16px;font-size:12px}
}
@media(max-width:370px){.dm-discovery{padding-left:12px;padding-right:12px}.dm-game-grid .dm-game-card{grid-template-columns:88px minmax(0,1fr);gap:10px;padding:12px}.dm-game-card-featured .dm-game-copy{padding:10px}.dm-game-card-featured h3{font-size:16px}}
@media(prefers-reduced-motion:reduce){.dm-discovery *{scroll-behavior:auto!important;transition:none!important}.dm-discovery .dm-subject:hover{transform:none}}
.dm-discovery .dm-game-notice{font-size:12px;color:var(--muted)}
.dm-filters .dm-challenge-filter{margin-top:18px;padding-top:16px;border-top:1px solid var(--line)}
.dm-challenge-filter .dm-filter-chips{display:flex;flex-wrap:wrap}
.dm-challenge-filter .dm-filter-chips button{padding:8px 14px}
.dm-challenge-tag{display:inline-flex;padding:3px 8px;border:1px solid #cbe2ef;border-radius:6px;background:#edf8ff;color:#125287;font-weight:700}