@import"https://fonts.googleapis.com/css2?family=Indie+Flower&family=Noto+Sans+JP:wght@300;700&family=Sawarabi+Mincho&family=Permanent+Marker&display=swap";@import"https://fonts.googleapis.com/css2?family=Sawarabi+Mincho&family=Permanent+Marker&family=Indie+Flower&display=swap";:root{--bg-desk: #efeee5;--paper-grid: #fffdfa;--grid-line: rgba(214, 48, 49, .15);--sticky-yellow: #fff385;--tape-clear: rgba(255, 255, 255, .4);--hanko-red: #d63031;--ink-black: #2d3436;--marker-cyan: rgba(0, 206, 201, .3)}body{margin:0;background-color:var(--bg-desk);background-image:radial-gradient(#d1d1d1 .8px,transparent .8px);background-size:24px 24px;font-family:Indie Flower,Noto Sans JP,cursive;color:var(--ink-black);-webkit-font-smoothing:antialiased}@keyframes float{0%,to{transform:translateY(0) rotate(-1deg)}50%{transform:translateY(-8px) rotate(1deg)}}.reveal{opacity:0;transform:translateY(20px);transition:.6s all ease}.reveal.active{opacity:1;transform:translateY(0)}@keyframes pageFadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.page-transition-wrapper{animation:pageFadeIn .5s ease-out forwards}.nav-item.admin-item.active:after{background:#fab1a0!important}.admin-container{max-width:1100px;margin:0 auto;padding:20px}.admin-header{background:#fff;padding:30px;box-shadow:2px 5px 15px #0000000d;margin-bottom:40px;position:relative;border-left:5px solid var(--hanko-red)}.stat-sticky{background:var(--sticky-yellow);padding:20px;width:150px;height:150px;box-shadow:3px 3px 10px #0000001a;transform:rotate(-2deg);display:flex;flex-direction:column;align-items:center;justify-content:center;transition:.3s}.stat-sticky:hover{transform:rotate(0) scale(1.05)}.admin-table-container{background:#fff;padding:20px;border:2px solid #2d3436;box-shadow:8px 8px #2d3436;overflow-x:auto}.admin-table{width:100%;border-collapse:collapse;font-family:Sawarabi Mincho,serif}.admin-table th{border-bottom:2px solid #2d3436;padding:10px;text-align:left}.admin-table td{padding:12px;border-bottom:1px solid #eee}.btn-admin{font-family:Permanent Marker,cursive;padding:8px 16px;border:none;cursor:pointer;box-shadow:3px 3px #000;transition:.1s}.btn-admin:active{transform:translate(2px,2px);box-shadow:1px 1px #000}.admin-form-paper{background:#fff;background-image:linear-gradient(#e1e1e1 1px,transparent 1px);background-size:100% 2.5rem;line-height:2.5rem;padding:30px 20px;margin-bottom:40px;box-shadow:5px 5px #0000001a;border:1px solid #ddd;position:relative;border-radius:2px}.admin-form-paper h2{margin-bottom:30px;color:var(--hanko-red);border-bottom:2px solid var(--ink-black);display:inline-block}.input-group{display:flex;flex-direction:column;margin-bottom:10px}.input-label{font-family:Permanent Marker,cursive;font-size:.75rem;color:var(--hanko-red);margin-bottom:-10px;z-index:1}.admin-input,.admin-textarea,.admin-select{background:transparent;border:none;border-bottom:2px solid var(--ink-black);padding:10px 5px;font-family:Sawarabi Mincho,serif;font-size:1.1rem;color:#2c3e50;width:100%;outline:none;transition:all .3s}.admin-textarea{height:100px;line-height:1.5;resize:none}.admin-input:focus,.admin-select:focus{border-bottom-color:var(--hanko-red);background:#b72e2e05}.admin-select{cursor:pointer;appearance:none;background-image:url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");background-repeat:no-repeat;background-position:right 10px center;background-size:1em}.btn-submit-ink{margin-top:20px;background:var(--ink-black);color:#fff;padding:15px;border:none;font-family:Permanent Marker,cursive;font-size:1.1rem;cursor:pointer;box-shadow:4px 4px 0 var(--hanko-red);transition:.2s;width:100%}.btn-submit-ink:active{transform:translate(2px,2px);box-shadow:2px 2px 0 var(--hanko-red)}.btn-cancel{margin-top:10px;background:transparent;border:1px dashed #999;padding:10px;font-family:Sawarabi Mincho,serif;width:100%}header.header-paper.reveal.active{padding:60px 0 20px}.spinner-overlay{position:fixed;top:0;left:0;width:100vw;height:100vh;background:#fffc;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);display:flex;flex-direction:column;justify-content:center;align-items:center;z-index:9999}.spinner-inline-container{display:flex;justify-content:center;align-items:center;padding:auto;width:auto}.stationery-loader{position:relative;width:80px;height:80px}.loader-svg{width:100%;height:100%;animation:rotate-svg 3s linear infinite}.loader-circle-draw{fill:none;stroke:currentColor;stroke-width:8;stroke-linecap:round;stroke-dasharray:283;stroke-dashoffset:283;animation:draw-circle 2s ease-in-out infinite}.loader-circle-bg{fill:none;stroke:#ffffff1a;stroke-width:8}.loader-pen{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);font-size:2rem;animation:float-pen 1.5s ease-in-out infinite alternate}.loading-text{margin-top:15px;font-family:Sawarabi Mincho,serif;color:#666;font-style:italic}.spinner-button-container{display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px}.spinner-button-container .stationery-loader{width:24px;height:24px}.spinner-button-container .loader-pen{font-size:.8rem}@keyframes rotate-svg{to{transform:rotate(360deg)}}@keyframes draw-circle{0%,to{stroke-dashoffset:283}50%{stroke-dashoffset:0}}@keyframes float-pen{0%{transform:translate(-50%,-50%) translateY(0)}to{transform:translate(-50%,-50%) translateY(-5px)}}.dashboard-wrapper{--bg-desk: #efeee5;--paper-grid: #fffdfa;--grid-line: rgba(214, 48, 49, .15);--hanko-red: #d63031;--ink-black: #2d3436;--tape-clear: rgba(255, 255, 255, .4);background-color:var(--bg-desk);background-image:radial-gradient(#d1d1d1 .8px,transparent .8px);background-size:24px 24px;min-height:100vh;padding:40px 20px;font-family:Indie Flower,Noto Sans JP,cursive;color:var(--ink-black)}.header-paper{background:#fff;padding:20px 40px;position:relative;box-shadow:2px 5px 15px #00000014;transform:rotate(.5deg);margin-bottom:50px;max-width:800px;width:100%}.header-paper h1{font-family:Sawarabi Mincho,serif;margin:0;border-bottom:2px dashed var(--hanko-red)}.tool-card{background:var(--paper-grid);background-image:linear-gradient(var(--grid-line) 1px,transparent 1px),linear-gradient(90deg,var(--grid-line) 1px,transparent 1px);background-size:30px 30px;padding:35px 25px;position:relative;box-shadow:3px 8px 15px #0000001a;transition:all .4s cubic-bezier(.175,.885,.32,1.275);display:flex;flex-direction:column;justify-content:space-between}.tool-card:hover{transform:scale(1.02) rotate(0) translateY(-5px);box-shadow:10px 15px 25px #0000001f}.washi-tape{position:absolute;width:70px;height:25px;background:var(--tape-clear);-webkit-backdrop-filter:blur(1px);backdrop-filter:blur(1px);top:-10px;left:50%;transform:translate(-50%) rotate(-2deg);border-left:2px dashed rgba(255,255,255,.5);border-right:2px dashed rgba(255,255,255,.5);z-index:5}.hanko-badge{position:absolute;bottom:15px;right:15px;width:40px;height:40px;border:2px solid var(--hanko-red);color:var(--hanko-red);font-family:Sawarabi Mincho;display:flex;align-items:center;justify-content:center;font-weight:700;transform:rotate(-15deg);font-size:.7rem;opacity:.7}.btn-pen{background:#2d3436;color:#fff;border:none;padding:12px;font-family:Permanent Marker,cursive;cursor:pointer;box-shadow:4px 4px #636e72;transition:.2s;min-height:44px}.btn-pen:active{transform:translate(2px,2px);box-shadow:0 0 #636e72}.floating{animation:float 5s ease-in-out infinite}.marker-highlight{background-color:var(--marker-cyan);padding:2px 5px}@media(max-width:560px){.header-paper{padding:6px 0}.header-title{padding:35px 25px}}.user-page-wrapper{padding:40px 20px 120px;max-width:800px;margin:0 auto;display:flex;flex-direction:column;align-items:center}.gakuseisho-card{background:#fff;width:100%;max-width:500px;padding:30px;border:1px solid #d1d1d1;box-shadow:15px 15px #0000000d;position:relative;display:flex;gap:25px;margin-bottom:50px;transform:rotate(-1deg);font-family:Sawarabi Mincho,serif}.gakuseisho-photo{width:130px;height:160px;border:2px solid var(--ink-black);background:#f8f9fa;overflow:hidden;flex-shrink:0;box-shadow:inset 0 0 10px #0000000d}.gakuseisho-photo img{width:100%;height:100%;object-fit:cover}.gakuseisho-details{flex:1;display:flex;flex-direction:column;justify-content:center}.gakuseisho-details h2{margin:0 0 15px;font-size:1.6rem;font-family:Permanent Marker,cursive;border-bottom:3px solid var(--hanko-red);width:fit-content;padding-right:20px}.detail-line{font-size:.9rem;margin:10px 0;border-bottom:1px dashed #ccc;padding-bottom:4px;display:flex;justify-content:space-between}.detail-line strong{font-family:Noto Sans JP,sans-serif;color:#636e72;font-size:.75rem}.detail-line span{font-family:Indie Flower,cursive;font-size:1.1rem;color:var(--ink-black)}.stamp-card{background:var(--paper-grid);background-image:linear-gradient(var(--grid-line) 1px,transparent 1px),linear-gradient(90deg,var(--grid-line) 1px,transparent 1px);background-size:30px 30px;width:100%;max-width:600px;padding:40px 30px;border:1px solid #ddd;box-shadow:2px 10px 30px #0000000d;position:relative}.stamp-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(70px,1fr));gap:15px;margin-top:25px}.stamp-slot{width:70px;height:70px;border:2px solid rgba(0,0,0,.05);background:#ffffff80;display:flex;align-items:center;justify-content:center;font-family:Permanent Marker,cursive;color:#ccc;position:relative;transition:all .3s ease}.stamped{border:2px solid var(--hanko-red);color:var(--hanko-red);background:#d6303105}.stamped:after{content:"済";position:absolute;font-size:2rem;opacity:.2;transform:rotate(-15deg)}.header-paper .btn-pen{max-width:300px}.btn-logout-small{margin-top:15px;background:transparent;border:1px dashed var(--hanko-red);color:var(--hanko-red);font-family:Permanent Marker,cursive;font-size:.7rem;padding:5px 10px;cursor:pointer;transition:.3s;width:fit-content;align-self:center}.btn-logout-small:hover{background:var(--hanko-red);color:#fff;border-style:solid}.login-sticky{cursor:pointer;transition:.3s;background:#fff985!important;border:1px solid #eee;text-align:center}.login-sticky:hover{transform:scale(1.05) rotate(0)}.tools-grid{display:grid;gridTemplateColumns:repeat(auto-fill,minmax(300px,1fr));gap:30px;width:100%;max-width:1200px}@media(max-width:550px){.gakuseisho-card{flex-direction:column;align-items:center;text-align:center;padding:20px;transform:rotate(0)}.gakuseisho-details h2{margin:15px auto;padding-right:0}.detail-line{flex-direction:column;gap:2px;align-items:center}.stamp-grid{grid-template-columns:repeat(3,1fr)}.stamp-slot{width:100%;height:80px}}.blocked-container{display:flex;justify-content:center;align-items:center;min-height:80vh}.blocked-card{background:#fff985;width:100%;max-width:400px;padding:40px;position:relative;box-shadow:5px 10px 20px #0000001a;transform:rotate(-1deg);border:1px solid #eee;text-align:center}.blocked-title{font-family:Permanent Marker,cursive;color:var(--hanko-red);font-size:2rem;margin-bottom:20px;text-decoration:line-through;text-decoration-thickness:4px}.blocked-message{font-family:Indie Flower,cursive;font-size:1.2rem;color:var(--ink-black);line-height:1.5;margin-bottom:30px}.hanko-denied{width:80px;height:80px;border:4px double var(--hanko-red);color:var(--hanko-red);display:flex;align-items:center;justify-content:center;font-family:Sawarabi Mincho,serif;font-weight:700;font-size:1.5rem;margin:0 auto 20px;transform:rotate(-15deg);opacity:.8}.btn-back{background:var(--ink-black);color:#fff;border:none;padding:10px 20px;font-family:Permanent Marker,cursive;cursor:pointer;box-shadow:3px 3px 0 var(--hanko-red);transition:.2s}.btn-back:hover{transform:translate(-2px,-2px);box-shadow:5px 5px 0 var(--hanko-red)}.stationery-navbar{position:fixed;bottom:20px;left:50%;transform:translate(-50%);z-index:1000;width:90%;max-width:500px}.nav-tape{background:var(--paper-grid);border:1px solid rgba(0,0,0,.1);box-shadow:0 4px 15px #0000001a;display:flex;justify-content:space-around;padding:10px 15px;position:relative}.nav-tape:before,.nav-tape:after{content:"";position:absolute;width:40px;height:20px;background:var(--tape-clear);-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);top:50%;transform:translateY(-50%)}.nav-tape:before{left:-15px;transform:translateY(-50%) rotate(-5deg)}.nav-tape:after{right:-15px;transform:translateY(-50%) rotate(5deg)}.nav-item{text-decoration:none;color:var(--ink-black);display:flex;flex-direction:column;align-items:center;gap:4px;transition:all .3s ease;padding:5px 10px;position:relative}.nav-icon{font-size:1.2rem}.nav-text{font-size:.7rem;font-family:Permanent Marker,cursive;opacity:.8}.nav-item.active:after{content:"";position:absolute;bottom:5px;left:0;width:100%;height:12px;background:var(--marker-cyan);z-index:-1;transform:skew(-15deg)}.nav-item.active .nav-text{opacity:1;color:#000}.nav-item:hover{transform:translateY(-3px)}@media(max-width:480px){.nav-text{display:none}.nav-tape{padding:15px}.nav-icon{font-size:1.5rem}}:root{--ink-black: #2c2c2c;--paper-bg: #fdfaf1;--hanko-red: #b72e2e;--washi-gold: #d4af37}.jp-reader-container{background-color:#e5e5f7;background-image:radial-gradient(#444cf721 .5px,#e5e5f7 .5px);background-size:10px 10px;min-height:100vh;padding:40px 20px;font-family:Sawarabi Mincho,serif;color:var(--ink-black)}.paper-sheet{background:var(--paper-bg);max-width:800px;margin:0 auto;padding:40px;position:relative;box-shadow:5px 5px #0000001a;border:1px solid rgba(0,0,0,.05)}.washi-tape{position:absolute;top:-15px;left:50%;transform:translate(-50%) rotate(-1deg);width:120px;height:35px;background:#b72e2e33;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);border-left:2px dashed rgba(255,255,255,.5);border-right:2px dashed rgba(255,255,255,.5);z-index:10}.header-title{font-family:Permanent Marker,cursive;text-align:center;font-size:2rem;color:var(--hanko-red);margin-bottom:30px}.reader-textarea{width:100%;height:180px;background:transparent;border:none;border-bottom:2px solid var(--ink-black);font-family:Sawarabi Mincho,serif;font-size:1.2rem;line-height:2;resize:none;outline:none}.btn-ink{display:block;width:100%;margin-top:20px;padding:15px;background:var(--ink-black);color:#fff;border:none;font-family:Permanent Marker,cursive;cursor:pointer;transition:.3s}.btn-ink:hover{transform:translateY(-2px);opacity:.9}.reader-content{line-height:3.5;font-size:1.8rem}.word{cursor:pointer;border-bottom:1px solid transparent;transition:.2s}.word:hover{background:#b72e2e1a;border-bottom-color:var(--hanko-red)}ruby rt{font-size:.5em;color:var(--hanko-red);font-family:Indie Flower,cursive}.jp-popup{position:absolute;width:280px;background:#fff;border:2px solid var(--ink-black);padding:15px;box-shadow:8px 8px #0000001a;z-index:1000}.entry-card{border-bottom:1px dashed #ccc;padding-bottom:10px;margin-bottom:10px}.entry-card:last-child{border:none}.kanji-title{font-weight:700;font-size:1.3rem}.meaning-text{font-family:Indie Flower,cursive;font-size:1rem;color:#444}.loading-screen{text-align:center;padding:50px}.highlighter-track{width:100%;height:8px;background:#ddd;margin-top:10px}.highlighter-fill{height:100%;background:var(--hanko-red);transition:width .3s}.builder-workspace{background-color:var(--bg-desk);background-image:radial-gradient(#d1d1d1 .8px,transparent .8px);background-size:24px 24px;min-height:100vh;padding:40px 20px;font-family:Indie Flower,Noto Sans JP,cursive;color:var(--ink-black);display:flex;flex-direction:column;align-items:center;overflow-x:hidden}@keyframes reveal-drop{0%{opacity:0;transform:translateY(40px) scale(1.05) rotate(3deg);filter:blur(8px)}to{opacity:1;transform:translateY(0) scale(1) rotate(-.5deg);filter:blur(0)}}@keyframes stationery-float{0%,to{transform:translateY(0) rotate(-.5deg)}50%{transform:translateY(-10px) rotate(.8deg)}}.reveal-content,.reveal.active{animation:reveal-drop .7s cubic-bezier(.23,1,.32,1) forwards}.floating{animation:stationery-float 5s ease-in-out infinite}.selection-wrapper{display:grid;gap:20px;width:100%;max-width:450px;margin-top:20px}.selection-card{padding:40px;position:relative;height:auto;background:var(--paper-grid);border:1px solid #ddd;box-shadow:var(--shadow-real)}.selection-label{text-align:center;margin-bottom:25px;font-family:Sawarabi Mincho,serif;font-weight:700;font-size:1.1rem}.word-pool{display:flex;flex-wrap:wrap;gap:20px;justify-content:center;margin-bottom:40px}.word-sticky{background:var(--sticky-yellow);padding:15px 25px;min-width:120px;text-align:center;box-shadow:5px 5px 15px #0000001a;transform:rotate(var(--rotation));position:relative}.word-sticky:before{content:"";position:absolute;top:-10px;left:50%;transform:translate(-50%);width:60px;height:25px;background:var(--tape-clear);-webkit-backdrop-filter:blur(1px);backdrop-filter:blur(1px);border-left:2px dashed rgba(255,255,255,.5);border-right:2px dashed rgba(255,255,255,.5)}.word-kanji{font-size:1.8rem;font-weight:700}.word-meaning{font-size:.8rem;opacity:.6}.main-paper{background:var(--paper-grid);background-image:linear-gradient(var(--grid-line) 1px,transparent 1px),linear-gradient(90deg,var(--grid-line) 1px,transparent 1px);background-size:30px 30px;width:100%;max-width:700px;padding:60px 40px;box-shadow:2px 10px 30px #0000001a;position:relative;border:1px solid #ddd;margin-bottom:30px}.paper-watermark{position:absolute;top:15px;left:20px;font-size:.75rem;color:#999;letter-spacing:2px;font-family:Sawarabi Mincho,serif}.tape-decor{position:absolute;width:100px;height:35px;background:var(--tape-clear);-webkit-backdrop-filter:blur(1.5px);backdrop-filter:blur(1.5px);top:-18px;left:50%;transform:translate(-50%) rotate(-1.5deg);border-left:2px dashed rgba(255,255,255,.6);border-right:2px dashed rgba(255,255,255,.6);z-index:10}.mode-tabs{position:absolute;top:-32px;right:20px;display:flex;gap:5px}.mode-tab{border:none;padding:8px 15px;font-family:Permanent Marker,cursive;cursor:pointer;background:#d1d1d1;color:#666;border-radius:5px 5px 0 0;transition:all .3s ease}.mode-tab.active{background:var(--paper-grid);color:var(--hanko-red);padding-top:12px;margin-top:-4px;box-shadow:0 -5px 10px #0000000d}.input-container{margin-top:40px}.builder-input-custom{width:100%;background:transparent;border:none;border-bottom:3px solid var(--ink-black);font-family:Indie Flower,cursive;font-size:1.8rem;padding:10px;outline:none;color:#2d3436}.builder-input-custom::placeholder{color:#b2bec3;opacity:.5}.free-mode-note{background:#fff;padding:20px;border:2px dashed var(--marker-cyan);margin-bottom:40px;max-width:600px;text-align:center;font-family:Sawarabi Mincho,serif;position:relative;box-shadow:var(--shadow-real)}.free-mode-note:before{content:"💡";position:absolute;left:-15px;top:-15px;font-size:1.8rem}.action-group{display:flex;gap:15px;margin-top:35px;flex-wrap:wrap}.btn-action{background:var(--ink-black);color:#fff;border:none;padding:14px 28px;font-family:Permanent Marker,cursive;box-shadow:4px 4px #636e72;cursor:pointer;transition:.2s cubic-bezier(.1,.7,.1,1);font-size:1rem;letter-spacing:1px}.btn-submit{flex:2;background-color:#2d3436}.btn-reroll{flex:1;background-color:#fab1a0;color:#000}.btn-action-back{margin-top:50px;background:transparent;border:1px dashed var(--ink-black);color:var(--ink-black);padding:10px 25px;font-family:Indie Flower;cursor:pointer;transition:all .2s}.btn-action-back:hover{background:#0000000d}.sensei-correction{margin-top:40px;padding:25px;border:2px solid var(--hanko-red);position:relative;background:#d6303105;font-family:Sawarabi Mincho,serif;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}.sensei-correction.correct{border-color:#00b894;background:#00b89405}.hanko-badge{position:absolute;top:-22px;right:15px;background:#fff;border:3px solid var(--hanko-red);color:var(--hanko-red);padding:5px 15px;font-weight:700;transform:rotate(6deg);font-size:1.2rem;box-shadow:2px 2px 5px #0000001a}.correction-title{margin-top:0;margin-bottom:20px;font-size:1.3rem}.score-container{margin:20px 0;display:flex;align-items:center;gap:15px}.highlighter-track{flex:1;height:15px;background:#0000000d;border-radius:2px;position:relative;overflow:hidden}.highlighter-fill{height:100%;background:var(--marker-cyan);box-shadow:0 0 10px var(--marker-cyan);transition:width 1.5s cubic-bezier(.1,.42,.41,1)}.score-circle{width:60px;height:60px;border:3px solid var(--hanko-red);border-radius:50%;display:flex;align-items:center;justify-content:center;font-family:Permanent Marker,cursive;color:var(--hanko-red);font-size:1.6rem;transform:rotate(-10deg);flex-shrink:0}.correction-text-wrapper{padding:15px;border-left:4px solid #eee;margin-bottom:15px;background:#fff9}.correction-main-text{font-size:1.5rem;margin:0;line-height:1.6}.marker-highlight{background-color:var(--marker-cyan);padding:2px 8px;-webkit-box-decoration-break:clone;box-decoration-break:clone}.correction-explanation{font-size:.95rem;font-style:italic;color:#636e72;line-height:1.5}.alternatives-grid{font-size:.85rem;color:#636e72;display:grid;gap:8px;margin-top:20px;padding-top:15px;border-top:1px dashed #ddd}@media(max-width:500px){.main-paper{padding:40px 20px}.builder-input-custom{font-size:1.4rem}.word-kanji{font-size:1.5rem}.btn-action{padding:12px 18px;font-size:.9rem}.hanko-badge{font-size:1rem;top:-18px}.correction-main-text{font-size:1.2rem}}*{box-sizing:border-box}.drill-workspace{min-height:100vh;padding:40px 15px 120px;display:flex;flex-direction:column;align-items:center;width:100%;overflow-x:hidden}.drill-paper{background:var(--paper-grid, #fdfaf5);background-image:linear-gradient(var(--grid-line, #e0e0e0) 1px,transparent 1px),linear-gradient(90deg,var(--grid-line, #e0e0e0) 1px,transparent 1px);background-size:30px 30px;width:100%;max-width:600px;padding:50px 30px;box-shadow:2px 10px 30px #0000001a;position:relative;border:1px solid #ddd;text-align:center;margin:0 auto}.drill-input-custom{width:100%;background:transparent;border:none;border-bottom:3px solid var(--ink-black, #2d3436);font-family:Indie Flower,cursive;font-size:2rem;padding:10px;outline:none;color:var(--ink-black, #2d3436);text-align:center;border-radius:0}.hanko-feedback{position:absolute;top:10px;right:10px;width:80px;height:80px;border:4px double var(--hanko-red, #d63031);border-radius:50%;display:flex;align-items:center;justify-content:center;font-family:Sawarabi Mincho,serif;color:var(--hanko-red, #d63031);font-size:1.5rem;font-weight:700;transform:rotate(-15deg);background:#ffffffe6;z-index:10;opacity:.8;pointer-events:none}.hanko-feedback.wrong{border-style:solid;font-size:2rem}.settings-note{background:var(--sticky-yellow, #fff7d1);padding:25px;box-shadow:5px 5px 15px #0000001a;transform:rotate(1deg);max-width:500px;width:100%;border:1px solid rgba(0,0,0,.05);margin:0 auto}.checkbox-custom{accent-color:var(--hanko-red, #d63031);width:18px;height:18px;cursor:pointer}.btn-pen{border:none;padding:12px 25px;margin-top:20px;font-family:Permanent Marker,cursive;font-size:1rem;border-radius:4px;cursor:pointer;transition:all .2s ease;box-shadow:0 4px #0003;position:relative;top:0;display:inline-flex;align-items:center;justify-content:center}.btn-pen:active{top:4px;box-shadow:0 0 #0003}.feedback-pop{animation:hanko-pop .3s cubic-bezier(.175,.885,.32,1.275) forwards}@keyframes hanko-pop{0%{transform:scale(2) rotate(0);opacity:0}to{transform:scale(1) rotate(-15deg);opacity:.8}}.drill-progress-container{width:100%;max-width:600px;margin-top:30px}@media(max-width:480px){.drill-paper{padding:30px 15px}.hanko-feedback{width:60px;height:60px;font-size:1.2rem;top:5px;right:5px}.drill-input-custom{font-size:1.5rem}.settings-note{padding:15px}}:root{--bg-desk: #efeee5;--paper-white: #ffffff;--paper-grid: #fffdfa;--grid-line: rgba(214, 48, 49, .15);--sticky-yellow: #fff385;--tape-clear: rgba(255, 255, 255, .4);--hanko-red: #d63031;--ink-black: #2d3436;--marker-cyan: rgba(0, 206, 201, .4);--shadow-real: 2px 10px 20px rgba(0,0,0,.1)}.irodori-tool-container{background-color:var(--bg-desk);background-image:radial-gradient(#d1d1d1 .8px,transparent .8px);background-size:24px 24px;min-height:100vh;padding:40px 20px;font-family:Indie Flower,Noto Sans JP,cursive;color:var(--ink-black);display:flex;flex-direction:column;align-items:center;overflow-x:hidden}.vandal-list-paper,.selection-card,.header-paper{transform:rotate(0)!important}.reveal{opacity:0;transition:all .6s cubic-bezier(.23,1,.32,1)}.reveal.active{opacity:1!important;transform:translateY(.5)!important;visibility:visible!important}.header-paper.reveal{transform:translateY(-20px);visibility:hidden}.reveal-content{width:100%;max-width:800px;display:flex;flex-direction:column;align-items:center;transform:rotate(0)!important}.selection-wrapper{width:100%;max-width:450px;margin-top:20px}.selection-card{padding:40px;text-align:center;background:var(--paper-grid);border:1px solid #ddd;box-shadow:var(--shadow-real);position:relative;margin-top:20px}.book-btn-group{display:flex;flex-direction:column;gap:15px}.btn-toggle-bab{background:transparent;border:1px dashed var(--ink-black);padding:8px 16px;font-family:Indie Flower,cursive;cursor:pointer;margin-bottom:20px;border-radius:4px;transition:all .3s ease}.bab-grid{display:flex;flex-wrap:wrap;gap:15px;justify-content:center;margin-bottom:40px;padding:10px;width:100%}.bab-item-sticky{background:var(--sticky-yellow);padding:12px 18px;min-width:80px;text-align:center;box-shadow:4px 6px 12px #0000001a;border:none;font-family:Permanent Marker,cursive;cursor:pointer;position:relative;transition:all .3s cubic-bezier(.175,.885,.32,1.275);transform:rotate(var(--note-rotation, -2deg))}.bab-item-sticky:before{content:"";position:absolute;top:-8px;left:50%;transform:translate(-50%);width:40px;height:18px;background:var(--tape-clear);-webkit-backdrop-filter:blur(1px);backdrop-filter:blur(1px);border-left:1px dashed rgba(255,255,255,.5);border-right:1px dashed rgba(255,255,255,.5);z-index:2}.bab-item-sticky.active{background:#fff;color:var(--hanko-red);border:2px solid var(--hanko-red);transform:rotate(0) translateY(-5px);box-shadow:0 10px 20px #d630311a}.mode-nav{display:flex;gap:8px;margin-bottom:30px}.mode-nav button{background:#dcdbd3;border:none;padding:10px 25px;font-family:Permanent Marker,cursive;border-radius:6px 6px 0 0;cursor:pointer;color:#777;transition:all .3s ease}.mode-nav button.active{background:var(--paper-grid);color:var(--hanko-red);transform:translateY(-6px);box-shadow:0 -5px 15px #0000000d}.tool-settings{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:20px;width:100%;max-width:700px;margin-bottom:25px}.search-input-handwritten{width:180px;background:transparent;border:none;border-bottom:2px solid var(--ink-black);font-family:Indie Flower,cursive;font-size:1.1rem;padding:5px;outline:none}.card-space{perspective:1500px;width:100%;max-width:400px;height:320px;position:relative;margin-bottom:30px}.card{width:100%;height:100%;cursor:pointer;transform-style:preserve-3d;transition:transform .8s cubic-bezier(.175,.885,.32,1.275)}.card.is-flipped{transform:rotateY(180deg)}.card-face{position:absolute;width:100%;height:100%;backface-visibility:hidden;display:flex;flex-direction:column;justify-content:center;align-items:center;background:var(--paper-grid);background-image:linear-gradient(var(--grid-line) 1px,transparent 1px),linear-gradient(90deg,var(--grid-line) 1px,transparent 1px);background-size:30px 30px;padding:30px;box-shadow:var(--shadow-real)}.card-back{transform:rotateY(180deg)}.card-shuffle-btn{position:absolute;top:15px;left:15px;background:transparent;border:none;font-size:1.2rem;cursor:pointer;z-index:10}.card-counter-inner{position:absolute;top:15px;right:20px;font-size:.8rem;color:#999;font-family:Permanent Marker,cursive}.kanji-display{font-family:Noto Sans JP,sans-serif;margin:0}.yomikata-display{font-size:2.5rem}.meaning-display{font-size:1.5rem;margin-top:20px;color:var(--hanko-red);font-family:Indie Flower}.hanko-overlay{position:absolute;bottom:25px;right:25px;width:65px;height:65px;border:3px solid var(--hanko-red);color:var(--hanko-red);font-family:Sawarabi Mincho,serif;display:flex;align-items:center;justify-content:center;font-weight:700;transform:rotate(var(--hanko-rotation, -12deg));opacity:0;transition:opacity .3s ease}.hanko-overlay.show-hanko{opacity:.7}.vandal-list-paper{background:var(--paper-grid);width:100%;max-width:700px;border:1px solid #ddd;box-shadow:var(--shadow-real);position:relative;padding-bottom:20px}.list-header-row{grid-template-columns:1.2fr 1fr 60px}.list-row{grid-template-columns:1.2fr 1fr}.list-header-row,.list-row{display:grid;align-items:center;border-bottom:1px solid var(--grid-line);transition:grid-template-columns .3s ease}.list-header-row.edit-active,.list-row.edit-active{grid-template-columns:1.2fr 1fr 60px}.list-header-row{background:#0000000d;padding:15px;font-weight:700;border-bottom:2px solid var(--hanko-red)}.subtopic-header{background:var(--marker-cyan);padding:10px 15px;font-family:Sawarabi Mincho,serif;font-weight:800;font-size:.95rem;color:#2d3436;border-top:1px solid #eee}.word-col{display:flex;justify-content:space-between;align-items:center;padding:12px 10px;border-right:1px solid var(--grid-line)}.mean-col{padding:12px 15px;cursor:pointer}.mean-col.masked{background-color:var(--ink-black)!important;color:transparent!important}.optional-row{opacity:.6;font-style:italic}.is-memorized .mean-text{background:var(--marker-cyan);padding:2px 5px}.word-dictionary-popup{position:absolute;z-index:2000;background:var(--paper-grid);border:1px solid #ccc;box-shadow:0 10px 30px #00000040;width:280px;padding:20px;font-family:Indie Flower,cursive;border-radius:4px;transform:translateY(10px)}.popup-arrow{position:absolute;top:-10px;left:20px;width:0;height:0;border-left:10px solid transparent;border-right:10px solid transparent;border-bottom:10px solid #ccc}.popup-arrow:after{content:"";position:absolute;top:2px;left:-10px;border-left:10px solid transparent;border-right:10px solid transparent;border-bottom:10px solid var(--paper-grid)}.btn-close-popup{position:absolute;top:5px;right:10px;background:transparent;border:none;font-size:1.2rem;cursor:pointer;color:#aaa}.popup-body label{font-size:.7rem;color:#999;text-transform:uppercase;display:block;margin-top:10px}.popup-body p{font-size:1rem;margin:2px 0;color:#333}.popup-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px;margin-top:10px}.popup-source{margin-top:15px;border-top:1px dashed #ddd;padding-top:5px;font-size:.75rem;opacity:.6}.btn-action{background:var(--ink-black);color:#fff;border:none;padding:14px 28px;font-family:Permanent Marker,cursive;box-shadow:4px 4px #636e72;cursor:pointer;transition:.2s cubic-bezier(.1,.7,.1,1)}.btn-action:active{transform:translate(2px,2px);box-shadow:0 0 #636e72}.btn-bulb-inline{background:transparent;border:none;font-size:1.2rem;cursor:pointer;opacity:.7;transition:all .2s}.btn-bulb-inline:hover{opacity:1;transform:scale(1.2) rotate(10deg)}.hanko-col{display:flex;justify-content:center;padding:5px}.btn-list-hanko{width:30px;height:30px;border-radius:50%;border:1.5px solid #ccc;background:#fff;cursor:pointer}.btn-list-hanko.active{border-color:var(--hanko-red);color:var(--hanko-red);background:#d630310d;box-shadow:0 0 5px var(--hanko-red)}.btn-toggle-edit{background:transparent;border:1px solid var(--hanko-red);color:var(--hanko-red);font-family:Permanent Marker,cursive;padding:2px 8px;border-radius:4px;cursor:pointer;font-size:.75rem}.btn-toggle-edit.active{background:var(--hanko-red);color:#fff}.tape-decor{position:absolute;width:100px;height:35px;background:var(--tape-clear);top:-18px;left:50%;transform:translate(-50%) rotate(-1.5deg);border-left:2px dashed rgba(255,255,255,.6);border-right:2px dashed rgba(255,255,255,.6);z-index:10}@media(max-width:500px){.irodori-tool-container{padding:20px 10px}.card-space{height:280px}.kanji-display{font-size:2.2rem}.word-dictionary-popup{width:90vw;left:5vw!important}}