:root{--bg:#f4f5f7;--card:#fff;--text:#17191f;--muted:#707783;--line:#e4e7ec;--accent:#111827;--soft:#f8fafc;--danger:#b42318;--success:#067647}*{box-sizing:border-box}html{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Hiragino Kaku Gothic ProN","Yu Gothic",sans-serif;color:var(--text);background:var(--bg)}body{margin:0;background:var(--bg)}a{color:inherit}.eyebrow{font-size:11px;font-weight:900;letter-spacing:.14em;color:#737b87}.brand{text-decoration:none;font-weight:950;letter-spacing:.06em}.muted,.help{color:var(--muted);font-size:13px}.alert,.success,.sealed{padding:13px 14px;border-radius:12px;margin:12px 0}.alert{background:#fff1f2;color:#9f1239;border:1px solid #fecdd3}.success{background:#ecfdf5;color:#065f46;border:1px solid #a7f3d0}.sealed{background:#f8fafc;color:#596273;border:1px dashed #cbd5e1}.primary{background:var(--accent)!important;color:#fff!important;border-color:var(--accent)!important}.stack{display:grid;gap:14px}.stack label,.editor-form label,.settings-form>label{display:grid;gap:6px;font-size:13px;font-weight:800}input,textarea,button{font:inherit}input,textarea{width:100%;font-size:16px;padding:12px 13px;border:1px solid #cfd5de;border-radius:11px;background:#fff;color:var(--text)}textarea{resize:vertical}button{border:1px solid #cfd5de;border-radius:10px;padding:11px 14px;background:#fff;font-weight:800;cursor:pointer}button:disabled{opacity:.55;cursor:not-allowed}.login-page{min-height:100vh;display:grid;place-items:center;padding:20px}.student-login{width:min(100%,440px);background:#fff;border:1px solid var(--line);border-radius:22px;padding:30px}.student-login h1{font-size:34px;margin:6px 0 10px}.student-login .lead{line-height:1.7;color:#4b5563}.privacy-note{font-size:12px;color:#7b8491;margin:18px 0 0}.app-top,.admin-top{height:64px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 max(16px,calc((100% - 980px)/2));position:sticky;top:0;z-index:50}.app-top nav,.admin-top nav{display:flex;gap:16px;align-items:center;flex-wrap:wrap}.app-top nav a,.admin-top nav a{text-decoration:none;font-size:13px;font-weight:800;color:#4b5563}.feed{max-width:620px;margin:0 auto;padding:24px 12px 70px}.feed-intro{display:flex;align-items:end;justify-content:space-between;gap:20px;padding:8px 4px 18px}.feed-intro h1{margin:4px 0 0}.feed-intro p{max-width:250px;color:var(--muted);font-size:13px}.insta-card{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;margin:0 0 22px}.post-head{padding:13px 15px;display:flex;align-items:center;gap:10px}.anon-avatar{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:#111827;color:#fff;font-weight:900}.post-head strong{font-size:14px}.own-badge{font-size:10px;background:#eef2ff;color:#3730a3;padding:3px 6px;border-radius:999px;margin-left:7px}.hook{padding:11px 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15px}.rating-title{font-size:13px;font-weight:900;margin-bottom:10px}.rating-buttons{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.rating-buttons button{min-height:68px;display:grid;gap:2px;place-items:center;background:#fff}.rating-buttons b{font-size:24px}.rating-buttons span{font-size:11px;color:#6b7280}.rating-buttons button[data-rating="3"]{border-color:#111827}.rated-done{padding:11px;border-radius:10px;background:#f8fafc;color:#4b5563}.rated-done b{font-size:18px;color:#111827}.comments{margin-top:13px;border-top:1px dashed #d9dee6;padding-top:11px}.comments summary{font-weight:800;font-size:13px;cursor:pointer}.comment-list p{font-size:13px;line-height:1.6;padding:8px 0;border-bottom:1px solid #f0f2f5;margin:0}.comment-form{display:flex;gap:7px;margin-top:10px}.comment-form input{min-width:0}.result-release{background:#f8fafc;border-radius:12px;padding:13px}.score-big{font-size:30px;font-weight:950;margin:5px 0}.empty{background:#fff;border:1px solid var(--line);padding:30px;border-radius:16px;text-align:center;color:var(--muted)}.editor-wrap,.admin-main{max-width:1120px;margin:0 auto;padding:28px 18px 70px}.editor-wrap{max-width:820px}.editor-head h1{margin:4px 0 8px}.editor-head p{color:#596273;line-height:1.7}.my-posts{background:#fff;border:1px solid var(--line);border-radius:16px;padding:16px;margin:20px 0}.my-posts h2{font-size:15px;margin:0 0 10px}.my-post-row{display:flex;justify-content:space-between;gap:12px;padding:10px 0;border-top:1px solid #f0f2f5;text-decoration:none;font-size:13px}.editor-form{display:grid;gap:18px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px}.editor-form label small{font-weight:500;color:#7b8491}.editor-actions{display:flex;justify-content:flex-end;gap:10px}.media-edit-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px;margin:10px 0}.media-edit-item{border:1px solid var(--line);border-radius:10px;padding:8px;display:grid;gap:7px!important;font-size:11px!important}.media-edit-item img{width:100%;height:110px;object-fit:cover;border-radius:7px}.video-chip{height:110px;background:#111827;color:#fff;display:grid;place-items:center;border-radius:7px;font-weight:900}.admin-body{background:#f5f6f8}.admin-top{padding:0 18px}.admin-main h1{margin-top:0}.admin-title{display:flex;justify-content:space-between;align-items:end;gap:18px;margin-bottom:18px}.status-pills{display:flex;gap:8px}.pill{font-size:12px;font-weight:900;padding:7px 10px;border-radius:999px}.pill.on{background:#ecfdf5;color:#067647}.pill.off{background:#f2f4f7;color:#667085}.stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin:18px 0}.stat-grid>div{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px}.stat-grid b{font-size:28px;display:block}.stat-grid span{font-size:12px;color:#6b7280}.panel{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px;margin:16px 0}.panel h2{font-size:16px;margin:0 0 14px}.section-title{display:flex;justify-content:space-between;align-items:center}.table-wrap{overflow:auto}.table-wrap table{width:100%;border-collapse:collapse;min-width:760px}.table-wrap th,.table-wrap td{text-align:left;padding:11px 10px;border-bottom:1px solid #edf0f3;font-size:13px;vertical-align:top}.table-wrap th{font-size:11px;color:#667085;background:#f8fafc;position:sticky;top:0}.inline{display:inline}.inline button{padding:6px 8px;font-size:11px}.narrow{max-width:560px}.settings-form{display:grid;gap:18px;max-width:680px}.switch-row{grid-template-columns:1fr auto!important;align-items:center;border-bottom:1px solid #edf0f3;padding-bottom:15px}.switch-row span{display:grid;gap:4px}.switch-row small{font-weight:500;color:#727b88}.switch-row input{width:22px;height:22px}.rating-breakdown{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.rating-breakdown>div{background:#f8fafc;border-radius:12px;padding:14px}.rating-breakdown span{display:block;font-size:12px;color:#667085}.rating-breakdown b{display:block;font-size:30px;margin-top:4px}.heatmap-wrap{position:relative;display:inline-block;max-width:720px;width:100%;background:#111}.heatmap-wrap img{display:block;width:100%;height:auto}.heatmap-wrap canvas{position:absolute;inset:0;pointer-events:none}.comment-admin-list{display:grid;gap:8px}.comment-admin-list>div{background:#f8fafc;border-radius:10px;padding:12px}.comment-admin-list p{margin:0 0 5px}.comment-admin-list small{color:#697386}@media(max-width:760px){.app-top,.admin-top{height:auto;min-height:58px;padding:10px 14px;align-items:flex-start}.app-top nav,.admin-top nav{gap:9px;justify-content:flex-end}.feed-intro{display:block}.feed-intro p{max-width:none}.stat-grid{grid-template-columns:repeat(2,1fr)}.admin-title{display:block}.status-pills{margin-top:10px}.rating-breakdown{grid-template-columns:1fr}.editor-wrap,.admin-main{padding:20px 12px 60px}.student-login{padding:22px}.rating-buttons button{min-height:74px}.editor-actions{display:grid;grid-template-columns:1fr 1fr}.comment-form{display:grid;grid-template-columns:1fr auto}}@media print{.admin-top,.panel form,.issued button{display:none!important}.admin-main{padding:0}.issued{border:0}.table-wrap{overflow:visible}.table-wrap table{min-width:0}}

/* =========================================================
   V1.1 PHOTO FAVORITE-SPOT / HEATMAP
   評価後、参加者が写真上で意図的に選んだ位置のみ記録する。
   ========================================================= */
.slide{position:relative}
.spot-guide{position:absolute;z-index:8;top:10px;left:50%;transform:translateX(-50%);width:max-content;max-width:calc(100% - 28px);padding:8px 11px;border-radius:999px;background:rgba(17,24,39,.88);color:#fff;font-size:11px;font-weight:900;line-height:1.35;text-align:center;pointer-events:none;box-shadow:0 2px 10px rgba(0,0,0,.16)}
.spot-pickable{cursor:crosshair;touch-action:pan-y;-webkit-user-select:none;user-select:none}
.spot-marker{display:none;position:absolute;z-index:7;width:28px;height:28px;border-radius:50%;transform:translate(-50%,-50%);border:3px solid #fff;background:rgba(220,38,38,.72);box-shadow:0 0 0 2px rgba(127,29,29,.78),0 2px 10px rgba(0,0,0,.25);pointer-events:none}
.spot-marker.is-set{display:block}
.spot-status{position:absolute;z-index:8;left:10px;bottom:10px;padding:6px 9px;border-radius:8px;background:rgba(255,255,255,.92);color:#374151;font-size:10px;font-weight:900;pointer-events:none;transition:.2s}
.spot-status.saved{background:#ecfdf5;color:#067647;transform:scale(1.03)}
.spot-help{margin-top:10px;padding:11px 12px;border-radius:11px;background:#fff7ed;border:1px solid #fed7aa;color:#9a3412;font-size:12px;line-height:1.65}
.heatmap-tabs{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 12px}
.heatmap-tabs button{padding:8px 11px;font-size:12px;background:#fff}
.heatmap-tabs button span{font-size:10px;color:#6b7280;margin-left:3px}
.heatmap-tabs button.active{background:#111827;color:#fff;border-color:#111827}
.heatmap-tabs button.active span{color:#d1d5db}
.heatmap-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:10px;font-size:12px;color:#667085}
.heatmap-meta b{color:#111827;font-size:14px}
@media(max-width:620px){.spot-guide{top:8px;font-size:10px}.spot-status{bottom:8px}.spot-marker{width:26px;height:26px}.heatmap-tabs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}.heatmap-tabs button{width:100%}}

/* V1.2 multiple post management */
.my-posts-title{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:10px}.my-posts-title h2{margin:0}.my-posts-title p{margin:2px 0 0}.my-post-list{display:grid}.my-post-row-card{display:grid;grid-template-columns:minmax(0,1fr) auto auto auto;align-items:center;gap:8px;padding:11px 0;border-top:1px solid #edf0f3}.my-post-main{display:grid;gap:3px;text-decoration:none;min-width:0}.my-post-main span{overflow-wrap:anywhere}.my-post-main small{color:#7b8491}.button-link{display:inline-flex;align-items:center;justify-content:center;text-decoration:none;border:1px solid #cfd5de;border-radius:10px;padding:9px 12px;background:#fff;font-size:12px;font-weight:850;white-space:nowrap}.button-link.primary{border-color:#111827}.danger-button{color:#b42318;border-color:#f3b6b2;background:#fff8f7;padding:9px 11px}.post-state{font-size:11px;font-weight:900;padding:5px 8px;border-radius:999px;white-space:nowrap}.post-state.published{background:#ecfdf5;color:#067647}.post-state.draft{background:#f2f4f7;color:#667085}.editor-form-title{display:flex;align-items:end;justify-content:space-between;gap:12px}.editor-form-title h2{margin:3px 0 0}.edit-warning{display:grid;gap:5px;padding:13px 14px;border-radius:12px;background:#fff8e7;border:1px solid #f6d689;color:#7a4c00;font-size:13px}.edit-warning span{line-height:1.55}.fixed-rules{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.fixed-rules>div{background:#f8fafc;border-radius:12px;padding:14px;display:grid;gap:5px}.fixed-rules b{font-size:12px;color:#667085}.fixed-rules span{font-size:18px;font-weight:900}
@media(max-width:700px){.my-posts-title{align-items:stretch;display:grid;grid-template-columns:1fr}.my-posts-title .button-link{width:100%;min-height:44px}.my-post-row-card{grid-template-columns:minmax(0,1fr) auto}.my-post-main{grid-column:1/-1}.my-post-row-card>.button-link,.my-post-row-card>form{min-width:0}.my-post-row-card>.button-link{width:100%}.my-post-row-card>form button{width:100%}.post-state{justify-self:start}.fixed-rules{grid-template-columns:1fr}.editor-form-title{align-items:stretch;display:grid}.editor-form-title .button-link{width:100%}}

/* V1.2.1 heatmap reliability fix */
.heatmap-wrap{line-height:0;overflow:hidden}.heatmap-wrap canvas{display:block;position:absolute;left:0;top:0;width:100%;height:100%;z-index:2}.heatmap-wrap img{position:relative;z-index:1}.heatmap-empty-note{display:grid;gap:5px;padding:12px 13px;margin:0 0 12px;border:1px solid #fed7aa;background:#fff7ed;color:#9a3412;border-radius:11px;font-size:12px;line-height:1.6}.heatmap-empty-note b{font-size:13px}.spot-status.saved::before{content:'✓ ';font-weight:950}

/* V1.3 invisible participant heatmap + mobile zoom viewer */
.image-shell{position:relative;width:100%;display:grid;place-items:center;background:#0f1115;overflow:hidden}
.image-shell>img{width:100%;max-height:680px;display:block;object-fit:contain;background:#0f1115}
.spot-marker,.spot-status{display:none!important}
.zoom-open{position:absolute;right:10px;bottom:10px;z-index:10;min-height:42px;padding:8px 12px;border:1px solid rgba(255,255,255,.7);border-radius:999px;background:rgba(17,24,39,.82);color:#fff;font-size:12px;font-weight:900;backdrop-filter:blur(5px);-webkit-backdrop-filter:blur(5px)}
.zoom-viewer[hidden]{display:none!important}
.zoom-viewer{position:fixed;z-index:9999;inset:0;background:rgba(7,9,13,.97);display:grid;grid-template-rows:auto minmax(0,1fr) auto;color:#fff}
.zoom-viewer-bar{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 12px;border-bottom:1px solid rgba(255,255,255,.14)}
.zoom-viewer-bar>span{font-size:13px;font-weight:900}.zoom-tools{display:flex;gap:6px;align-items:center;flex-wrap:wrap;justify-content:flex-end}
.zoom-tools button{min-width:44px;min-height:44px;padding:8px 11px;border:1px solid rgba(255,255,255,.25);background:#fff;color:#111827;border-radius:9px;font-weight:900}.zoom-tools .zoom-close{background:#111827;color:#fff}
.zoom-canvas{position:relative;min-height:260px;overflow:hidden;touch-action:none;overscroll-behavior:contain;user-select:none;-webkit-user-select:none;background:#050609}
.zoom-canvas img{position:absolute;max-width:none!important;max-height:none!important;object-fit:contain;transform-origin:0 0;will-change:transform;touch-action:none;-webkit-user-drag:none}
.zoom-viewer-help{padding:9px 12px;text-align:center;font-size:11px;line-height:1.5;color:#d1d5db;border-top:1px solid rgba(255,255,255,.12)}
body.zoom-opened{overflow:hidden;touch-action:none}
@media(max-width:620px){.spot-guide{font-size:9px;max-width:calc(100% - 100px);left:10px;transform:none}.zoom-open{right:8px;bottom:8px}.zoom-viewer-bar{align-items:flex-start}.zoom-viewer-bar>span{padding-top:12px}.zoom-tools{gap:4px}.zoom-tools button{min-width:42px;padding:7px 9px;font-size:12px}}

/* V1.5 admin participant password management */
.admin-pw-view{display:flex;gap:6px;align-items:center;min-width:210px}.admin-pw-view input{min-width:125px;max-width:170px}.admin-pw-set{display:flex;gap:6px;align-items:center;min-width:230px}.admin-pw-set input{min-width:130px;max-width:170px}.admin-pw-view button,.admin-pw-set button{white-space:nowrap}
@media(max-width:700px){.admin-pw-view,.admin-pw-set{min-width:200px}}

/* V1.8.6 project / assignment master */
.project-chip{display:flex;flex-wrap:wrap;gap:8px 12px;align-items:center;margin:10px 0;padding:10px 12px;border:1px solid #d8dee8;border-radius:12px;background:#f8fafc}.project-chip b{font-size:14px}.project-chip span{font-size:13px;color:#5b6472}.two-col{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.settings-form select{width:100%;min-height:44px;padding:9px 10px;border:1px solid #ccd3df;border-radius:10px;background:#fff;font:inherit}@media(max-width:640px){.two-col{grid-template-columns:1fr}}

/* V1.8.8 past project visibility */
.current-project-label{margin-top:12px;font-size:11px;font-weight:900;letter-spacing:.08em;color:#6b7280}.past-projects{margin-top:22px;padding-top:18px;border-top:1px solid var(--line)}.past-projects-title{font-size:13px;font-weight:900;margin-bottom:9px}.past-project-item{display:grid;gap:3px;padding:10px 11px;margin-top:7px;border:1px solid #e5e7eb;border-radius:11px;background:#fafbfc}.past-project-item b{font-size:13px}.past-project-item span{font-size:12px;color:#5f6875}.past-project-item small{font-size:11px;color:#8a93a0}

/* V1.8.9 private admin review */
.admin-review-panel{border-color:#c7d2fe}.admin-review-form{display:grid;gap:18px}.admin-score-list{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px}.admin-score-list fieldset{min-width:0;margin:0;padding:12px;border:1px solid #e2e8f0;border-radius:12px}.admin-score-list legend{padding:0 5px;font-size:12px;font-weight:900}.score-options{display:grid;grid-template-columns:repeat(5,1fr);gap:4px}.score-options label{cursor:pointer}.score-options input{position:absolute;opacity:0;pointer-events:none}.score-options span{display:grid;place-items:center;min-height:38px;border:1px solid #d7dce5;border-radius:8px;font-weight:900;background:#fff}.score-options input:checked+span{background:#111827;color:#fff;border-color:#111827}.score-options input:focus-visible+span{outline:3px solid #a5b4fc}.review-comment-label{display:grid;gap:7px;font-size:13px;font-weight:900}.admin-review-actions{display:flex;justify-content:space-between;align-items:center;gap:12px}.admin-review-actions small{color:#697386}.private-badge{display:inline-flex;align-items:center;width:max-content;padding:5px 8px;border-radius:999px;background:#eef2ff;color:#3730a3;font-size:11px;font-weight:900}.private-admin-review{display:grid;gap:12px;margin:0 0 14px;padding:14px;border:1px solid #c7d2fe;border-radius:13px;background:#f5f7ff}.private-admin-review-editor{margin:16px 0;background:#fff}.private-review-head{display:flex;justify-content:space-between;align-items:center;gap:10px}.private-review-head>div{display:grid;gap:3px}.private-review-head span{font-size:12px;font-weight:900;color:#4f46e5}.private-review-head b{font-size:25px}.private-score-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:7px}.private-score-grid>div{display:grid;gap:3px;padding:9px;background:#fff;border-radius:9px;border:1px solid #e0e7ff}.private-score-grid span{font-size:10px;color:#667085}.private-score-grid b{font-size:20px}.private-review-comment{padding:11px 12px;background:#fff;border-radius:10px;border:1px solid #e0e7ff}.private-review-comment>b{font-size:12px}.private-review-comment p{margin:6px 0 0;line-height:1.65;font-size:13px}.private-admin-review>small{color:#7b8491}
@media(max-width:800px){.admin-score-list{grid-template-columns:1fr}.private-score-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.private-score-grid>div:last-child{grid-column:1/-1}.admin-review-actions{align-items:stretch;flex-direction:column}.admin-review-actions button{width:100%}}