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--tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}@property --tw-ease{syntax:"*";inherits:false}@property --tw-font-weight{syntax:"*";inherits:false}.timeline-page{z-index:1;color:#151515;isolation:isolate;background:radial-gradient(circle at 12% 10%,#ff4fd86b 0 10%,#0000 11%),radial-gradient(circle at 88% 12%,#25d9ff61 0 9%,#0000 10%),radial-gradient(circle at 78% 78%,#2df7b557 0 11%,#0000 12%),repeating-linear-gradient(112deg,#0000 0 30px,#1515150b 31px 34px),linear-gradient(135deg,#fff7df 0%,#fff0fb 36%,#eafff8 70%,#fff7bd 100%);min-height:100vh;padding:clamp(60px,10vw,120px) 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0;font-size:clamp(18px,2vw,24px);font-weight:700}.timeline-timeline-desc{color:#3e3941;margin:0;font-size:clamp(14px,1.3vw,16px);line-height:1.7}.timeline-footer{z-index:1;text-align:center;margin-top:clamp(80px,12vw,160px);padding-bottom:60px;position:relative}.timeline-quote{color:#55344b;letter-spacing:.05em;margin:0 0 40px;font-size:clamp(18px,2.5vw,28px);font-style:italic}.timeline-back{color:#151515;letter-spacing:.1em;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:linear-gradient(90deg,#ff4fd8,#ffe74c 48%,#2df7b5),#fff;border:4px solid #151515;border-radius:20px 5px 18px 6px;padding:14px 36px;font-size:15px;font-weight:900;text-decoration:none;transition:all .15s;display:inline-block;box-shadow:6px 6px #151515}.timeline-back:hover{transform:translate(2px,2px);box-shadow:3px 3px #151515}.timeline-doodle{pointer-events:none;filter:drop-shadow(5px 5px #151515);z-index:0;opacity:.92;position:absolute}.timeline-doodle path,.timeline-doodle polygon{stroke:#1a1a1a;stroke-width:4px;stroke-linejoin:round;stroke-linecap:round}@keyframes doodle-float{0%{transform:translateY(0)rotate(0)}50%{transform:translateY(-12px)rotate(3deg)}to{transform:translateY(0)rotate(0)}}#timeline-doodle-heart{fill:#ff4fd8;width:clamp(100px,15vw,180px);animation:6s ease-in-out infinite doodle-float;top:8%;left:10%}#timeline-doodle-cloud{fill:#25d9ff;width:clamp(120px,18vw,220px);animation:7s ease-in-out .5s infinite doodle-float;top:55%;left:3%}#timeline-doodle-star{fill:#ffe74c;width:clamp(90px,13vw,160px);animation:5s ease-in-out 1s infinite doodle-float;top:4%;right:8%}#timeline-doodle-lightning{fill:#ff595e;width:clamp(80px,12vw,140px);animation:8s ease-in-out 1.5s infinite doodle-float;top:38%;right:4%}#timeline-doodle-spiral{fill:none;stroke:#9b5cff;width:clamp(70px,10vw,110px);animation:6s ease-in-out 2s infinite doodle-float;top:78%;right:18%}#timeline-doodle-blob{fill:#2df7b5;opacity:.85;width:clamp(100px,14vw,160px);animation:7s 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var(--ink);box-shadow:0 5px 0 var(--ink);background:linear-gradient(90deg,#ffe74cdb,#ff4fd82e,#25d9ff5c),#fffdf2;justify-content:space-between;align-items:center;gap:22px;padding:18px clamp(18px,4vw,54px);display:flex;position:sticky;top:0}.brand{white-space:nowrap;align-items:baseline;gap:10px;display:flex}.brand span{border:3px solid var(--ink);letter-spacing:0;color:var(--ink);background:var(--pop-yellow);box-shadow:var(--doodle-shadow-small);border-radius:18px 5px 16px 6px;padding:6px 12px;font-size:13px;font-weight:700;transform:rotate(-1deg)}.brand strong{color:#1a1a1a;font-size:20px;font-weight:900}.teacher-tabs{gap:8px;padding-bottom:2px;display:flex;overflow-x:auto}.teacher-tabs button{border:3px solid var(--ink);min-height:38px;color:var(--ink);box-shadow:var(--doodle-shadow-small);cursor:pointer;background:#fff;border-radius:18px 5px 16px 6px;flex:none;padding:0 18px;font-weight:700;transition:all .15s}.teacher-tabs button:hover{background:var(--tab,#ff6b6b);color:#fff;box-shadow:2px 2px 0 var(--ink);transform:translate(2px,2px)}.teacher-tabs button.active{color:#fff;background:var(--tab);border-color:#000;transform:translateY(-2px);box-shadow:4px 4px #000}.teacher-tabs button.home.active{color:#fff;background:#ff6b6b;border-color:#000;box-shadow:4px 4px #000}.teacher-tabs .tab-btn{border:3px solid var(--ink);cursor:pointer;color:var(--ink);z-index:0;box-shadow:var(--doodle-shadow-small);background:#fff;border-radius:18px 5px 16px 6px;justify-content:center;align-items:center;padding:10px 22px;font-weight:800;transition:all .15s;display:inline-flex;position:relative;overflow:hidden}.teacher-tabs .tab-btn:hover{background:var(--tab);color:#fff;transform:translate(2px,2px);box-shadow:2px 2px #000}.teacher-tabs .tab-btn:active{box-shadow:none;transform:translate(4px,4px)}.teacher-tabs .tab-btn .hoverEffect{z-index:1;opacity:0;justify-content:center;align-items:center;transition:opacity 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var(--ink);font-size:clamp(1.8rem,4.5vw,3.5rem);font-weight:900;animation:1s forwards fadeInSimple;position:absolute;top:clamp(36px,6vw,80px);left:0;right:0}.selector-heading{max-width:880px}.time-marker{color:#6f3d65;opacity:0;margin-top:20px;font-size:clamp(.95rem,1.2vw,1.1rem);animation:1s forwards fadeInSimple}.selector-heading h1{color:var(--ink);opacity:0;margin-top:6px;font-size:clamp(40px,7vw,80px);line-height:1;animation:1.2s cubic-bezier(.23,1,.32,1) .3s forwards titleSlideUp}.class-header{color:#1f2523;letter-spacing:.08em;opacity:0;font-family:Noto Serif SC,serif;font-size:clamp(18px,2.5vw,28px);font-weight:700;animation:1s .15s forwards fadeInSimple}.guide-text{color:#3f3a43;opacity:0;max-width:520px;margin-top:14px;font-size:clamp(16px,1.5vw,20px);line-height:1.9;animation:.8s .6s forwards fadeInSimple}.guide-text-2{margin-top:0;animation-delay:.75s}.selector-transition{color:#71425f;opacity:0;margin-top:14px;font-size:clamp(1rem,1.2vw,1.15rem);animation:.6s .8s forwards 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