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summary{gap:12px}.guide-examples strong{font-size:14px}.guide-answer{padding-left:26px}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{transition:none!important;animation:none!important}.level-card:hover{transform:none}}.daily-band{background:var(--tone-e7f7f5);border-block:1px solid var(--tone-bce1dd)}.daily-content{align-items:center;gap:24px;padding-block:32px;display:flex}.daily-content>svg{color:var(--tone-00766c);flex-shrink:0}.daily-content>div{flex:1}.daily-content h2{margin:4px 0 8px;font-size:26px}.daily-content p{margin:0}.statistics-link{margin-top:24px}.statistics-page{max-width:850px}.statistics-page h1{font-size:34px}.statistics-toggle{cursor:pointer;align-items:center;gap:12px;min-height:48px;font-weight:650;display:flex}.statistics-toggle input{width:22px;height:22px;accent-color:var(--tone-00766c)}.statistics-page>p{line-height:1.7}.statistics-table{margin:30px 0;overflow-x:auto}.statistics-table table{border-collapse:collapse;text-align:left;width:100%}.statistics-table caption{text-align:left;padding-bottom:16px;font-weight:700}.statistics-table th,.statistics-table td{border-bottom:1px solid var(--tone-bce1dd);padding:15px 10px}.question-figure{margin:20px 0}.question-figure .question-image{object-fit:contain;width:100%;height:auto;max-height:320px;margin:0}.image-credit{margin-top:10px;font-size:12px;line-height:1.6;display:block}@media (max-width:767px){.daily-content{flex-wrap:wrap;gap:16px}.daily-content>div{flex-basis:calc(100% - 50px);min-width:0}.daily-content>button{width:100%}.daily-content h2{font-size:23px}.question-figure .question-image{max-height:240px}.quiz-mode{flex-wrap:wrap}.statistics-table th,.statistics-table td{font-size:14px}}.language-switch{white-space:nowrap;align-items:center;gap:8px;font-size:13px;display:flex}.language-switch a{padding:12px 2px;text-decoration:none}.language-switch a[aria-current=page]{text-underline-offset:5px;font-weight:700;text-decoration:underline}.guide-header-actions{align-items:center;gap:20px;display:flex}@media (max-width:700px){.header-inner{flex-wrap:wrap;gap:8px}.header-inner>.language-switch{margin-left:auto}.guide-header-actions{flex-wrap:wrap;justify-content:flex-end;gap:8px}.site-header{height:auto;min-height:76px}.header-inner{height:auto;min-height:76px;padding-block:12px}.header-note{flex-basis:100%;order:3;max-width:none}}@media (max-width:380px){.brand-logo{width:150px}}.account-page{max-width:740px;padding-block:30px 60px}.account-page h1{margin:24px 0 12px;font-size:32px}.account-page h2{font-size:22px}.account-page p{overflow-wrap:anywhere;line-height:1.7}.account-email{font-weight:650}.account-tabs{border-bottom:1px solid var(--line);gap:12px;margin:28px 0;display:flex}.account-tabs button{min-height:48px;color:var(--muted);background:0 0;border:0;border-bottom:3px solid #0000;align-items:center;gap:8px;padding:10px 8px;display:inline-flex}.account-tabs button[aria-pressed=true]{border-color:var(--green);color:var(--ink);font-weight:700}.account-form{gap:18px;max-width:480px;margin-block:24px;display:grid}.account-form label{gap:8px;font-weight:650;display:grid}.account-form input:not([type=checkbox]){border:1px solid var(--line);width:100%;min-height:48px;color:var(--ink);background:var(--surface);font:inherit;border-radius:6px;padding:12px}.account-form small{color:var(--muted);font-weight:400;line-height:1.6}.account-form .account-check{align-items:flex-start;gap:12px;font-weight:400;line-height:1.7;display:flex}.account-check input{width:24px;height:24px;accent-color:var(--green);flex-shrink:0;margin:0}.account-actions{flex-wrap:wrap;align-items:center;gap:14px 24px;display:flex}.account-actions button{min-height:44px}.account-records{border-block:1px solid var(--line);margin-block:30px;padding-block:20px}.account-records dl{margin:20px 0}.account-records dl>div{border-bottom:1px solid var(--line);justify-content:space-between;gap:16px;padding-block:12px;display:flex}.account-records dd{margin:0;font-weight:750}.account-records dt{overflow-wrap:anywhere}.account-delete{border-top:2px solid var(--red);padding-top:20px}.account-danger{color:var(--red)}.account-links{flex-wrap:wrap;gap:12px;display:flex}.account-links a{align-items:center;min-height:44px;display:inline-flex}@media (max-width:700px){.account-page h1{font-size:28px}.account-page .button{white-space:normal}}.account-password-field{gap:8px;display:grid}.account-password-input{position:relative}.account-form .account-password-input input{padding-right:56px}.account-password-input button{width:44px;height:44px;color:var(--ink);cursor:pointer;background:0 0;border:0;border-radius:4px;place-items:center;display:grid;position:absolute;top:2px;right:2px}.account-password-input button:hover{background:var(--surface)}.account-password-input button:focus-visible{outline:2px solid var(--green);outline-offset:-2px}.account-password-input button:disabled{opacity:.5;cursor:default}.account-google{gap:12px;max-width:480px;margin-top:24px;display:grid}.account-google .button{width:100%}.account-google small{color:var(--muted)}.round-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.round-card{--level-color:var(--tone-00766c);border-radius:8px;min-width:0}.round-standard{--level-color:var(--tone-6041cf)}.round-long{--level-color:var(--tone-765409)}.round-endless{--level-color:var(--tone-a6323a)}.round-card h2{font-size:24px}.round-card .level-bottom{overflow-wrap:anywhere;min-height:64px;line-height:1.5}.round-card:disabled{opacity:1;cursor:default;color:var(--muted)}.round-card:disabled .level-top{opacity:.6}.round-card.is-selected,.pace-option.is-selected{border:2px solid var(--green);background:var(--mint)}.round-card.is-selected .level-top,.pace-option.is-selected>svg:last-child{color:var(--green)}.pace-section{margin-top:38px}.pace-section h2{margin:0 0 16px;font-size:24px}.pace-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;display:grid}.pace-option{text-align:left;background:var(--tone-fff);border:1px solid var(--line);border-radius:8px;align-items:flex-start;gap:14px;min-width:0;min-height:112px;padding:19px;display:flex}.pace-option span{flex:1;min-width:0}.pace-option strong{font-size:18px;display:block}.pace-option small{color:var(--muted);overflow-wrap:anywhere;margin-top:7px;line-height:1.5;display:block}.pace-option:hover{border-color:var(--green)}.start-round-button{min-height:50px;margin-top:22px}.start-round-button:disabled{background:var(--tone-fff);color:var(--muted);border:1px solid var(--line);box-shadow:none;cursor:not-allowed}.round-short .level-top{color:var(--green)}.round-result-details,.round-result-mode{margin:16px 0}.round-record-note{color:var(--muted);font-size:14px;line-height:1.6}.answer-trail{flex-wrap:wrap}.quiz-category{overflow-wrap:anywhere}@media (max-width:900px){.round-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:600px){.round-grid{grid-template-columns:minmax(0,1fr)}.round-card{min-height:190px;padding:18px 18px 0}.round-card .level-top{margin-bottom:8px}.round-card h2{margin:4px 0 8px;font-size:22px}.round-card p{margin-bottom:12px}.round-card .level-bottom{min-height:47px;padding:11px 0}.pace-grid{grid-template-columns:minmax(0,1fr)}}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-shadow-color{syntax:"*";inherits:false}@property --tw-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-inset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-shadow-color{syntax:"*";inherits:false}@property --tw-inset-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-ring-color{syntax:"*";inherits:false}@property --tw-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-ring-color{syntax:"*";inherits:false}@property --tw-inset-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-ring-inset{syntax:"*";inherits:false}@property --tw-ring-offset-width{syntax:"<length>";inherits:false;initial-value:0}@property --tw-ring-offset-color{syntax:"*";inherits:false;initial-value:#fff}@property --tw-ring-offset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --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}