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#73b6e426}.mode-icon{border-radius:18px;flex:0 0 60px;place-items:center;width:60px;height:60px;display:grid}.mode-icon-staff{color:#5f9dd0;background:#dceffd}.mode-icon-ear{color:var(--otopon-purple);background:#ece8ff}.mode-card-copy{flex-direction:column;gap:5px;display:flex}.mode-card-copy strong{font-family:Zen Maru Gothic,sans-serif;font-size:.98rem;font-weight:900}.mode-card-copy small{color:var(--otopon-ink-soft);font-size:.77rem;font-weight:700;line-height:1.45}.mode-check{color:#0000;background:#fff;border:2px solid #cfdae5;border-radius:50%;flex:0 0 27px;place-items:center;width:27px;height:27px;margin-left:auto;display:grid}.mode-card.is-selected .mode-check{border-color:var(--otopon-blue-deep);color:#fff;background:var(--otopon-blue-deep)}.primary-button,.secondary-button{letter-spacing:.03em;cursor:pointer;border-radius:19px;justify-content:center;align-items:center;gap:9px;min-height:64px;font-weight:900;transition:transform .16s,box-shadow .16s,background 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3px;font-size:.76rem;font-weight:800;display:flex}.home-tips>div{align-items:center;gap:7px;display:flex}.tip-number{color:#fff;background:var(--otopon-mint-deep);border-radius:50%;place-items:center;width:27px;height:27px;font-size:.75rem;display:grid}.home-tips>svg{color:#a5b6c8}.quiz-main{flex-direction:column;padding-top:12px;display:flex}.quiz-toolbar{grid-template-columns:1fr auto 1fr;align-items:center;gap:15px;display:grid}.text-button{width:fit-content;min-height:64px;color:var(--otopon-ink-soft);cursor:pointer;background:0 0;border-radius:14px;align-items:center;gap:7px;padding:8px 13px;font-size:.8rem;font-weight:900;display:inline-flex}.text-button:hover{color:var(--otopon-ink);background:#ffffffb3}.question-count{color:var(--otopon-ink-soft);align-items:baseline;gap:9px;display:flex}.question-count span{letter-spacing:.08em;font-size:.75rem;font-weight:900}.question-count strong{color:var(--otopon-ink);font-size:1.55rem;font-weight:900}.question-count small{color:var(--otopon-ink-soft);font-size:.86rem}.progress-dots{justify-content:end;gap:5px;display:flex}.progress-dots span{background:#dbe5ed;border-radius:99px;width:20px;height:7px;display:block}.progress-dots span.is-done{background:var(--otopon-mint)}.progress-dots span.is-current{background:var(--otopon-blue);width:32px}.quiz-card{border:1px solid var(--otopon-line);min-height:510px;box-shadow:var(--otopon-shadow);background:#ffffffd1;border-radius:31px;flex-direction:column;flex:1;margin-top:18px;padding:23px 32px 26px;transition:background .2s;display:flex;position:relative}.feedback-correct{background:linear-gradient(135deg,#f1fff7f2,#ffffffe0)}.feedback-wrong{background:linear-gradient(135deg,#fff9f5f2,#ffffffe0)}.quiz-card-heading{justify-content:space-between;align-items:center;gap:15px;display:flex}.quiz-card-heading p{color:var(--otopon-ink-soft);text-align:right;margin:0;font-size:.82rem;font-weight:800}.mode-label{white-space:nowrap;border-radius:999px;align-items:center;gap:7px;min-height:38px;padding:7px 13px;font-size:.78rem;font-weight:900;display:inline-flex}.mode-label-staff{color:#4b8bbf;background:#e6f4ff}.mode-label-ear{color:#715abb;background:#eeeaff}.quiz-stage{background:radial-gradient(circle at 50% 52%,#fffffff5,#0000 58%),#f3f9fc;border:1px solid #649ec11c;border-radius:23px;flex:1;justify-content:center;align-items:center;min-height:335px;margin:14px 0 9px;display:flex;position:relative;overflow:hidden}.staff-notation{width:100%;min-height:250px;padding:8px 15px}.staff-notation svg{display:block;overflow:visible}.ear-question{color:var(--otopon-purple);flex-direction:column;align-items:center;gap:10px;display:flex;position:relative}.ear-question strong{color:var(--otopon-ink);font-family:Zen Maru Gothic,sans-serif;font-size:1.2rem;font-weight:900}.ear-question small{color:var(--otopon-ink-soft);font-size:.8rem;font-weight:700}.sound-rings{width:180px;height:100px;position:absolute;top:7px;left:50%;transform:translate(-50%)}.sound-rings span{border:2px solid #8973d845;border-bottom-color:#0000;border-radius:50%;width:58px;height:58px;position:absolute;top:0;left:50%;transform:translate(-50%)rotate(45deg)}.sound-rings span:nth-child(2){width:87px;height:87px;top:13px}.sound-rings span:nth-child(3){width:116px;height:116px;top:27px}.feedback-burst{z-index:3;background:#ffffffd1;border-radius:22px;flex-direction:column;align-items:center;gap:4px;padding:8px 22px;animation:.65s cubic-bezier(.17,.84,.37,1) both feedback-pop;display:flex;position:absolute;inset:50% auto auto 50%;transform:translate(-50%,-50%);box-shadow:0 16px 30px #547a9124}.feedback-burst span{font-family:Zen Maru Gothic,sans-serif;font-size:7.2rem;font-weight:900;line-height:.9}.feedback-burst strong{font-family:Zen Maru Gothic,sans-serif;font-size:1rem;font-weight:900}.feedback-correct{color:var(--otopon-mint-deep)}.feedback-wrong{color:var(--otopon-coral)}.feedback-wrong span{font-size:5.2rem}.quiz-actions{justify-content:space-between;align-items:center;gap:20px;min-height:64px;display:flex}.action-spacer{min-width:1px}.replay-button{min-width:190px;color:var(--otopon-purple);padding:0 20px}.input-guide{color:var(--otopon-ink-soft);align-items:center;gap:9px;font-size:.8rem;font-weight:900;display:inline-flex}.input-guide.is-ready{color:var(--otopon-mint-deep)}.input-guide.is-waiting{color:var(--otopon-coral)}.inline-alert{color:var(--otopon-coral);justify-content:center;align-items:center;gap:6px;margin:9px 0 0;font-size:.76rem;font-weight:800;display:flex}.result-main{place-items:center;display:grid}.result-card{width:min(650px,100%);box-shadow:var(--otopon-shadow);text-align:center;background:#ffffffe0;border:1px solid #8973d829;border-radius:32px;padding:37px 32px 32px;position:relative;overflow:hidden}.result-confetti span{color:var(--otopon-yellow);font-size:1.8rem;position:absolute}.result-confetti span:first-child{color:var(--otopon-coral);top:23px;left:15%;transform:rotate(-16deg)}.result-confetti span:nth-child(2){color:var(--otopon-blue);top:42px;right:15%;transform:rotate(15deg)}.result-confetti span:nth-child(3){color:var(--otopon-purple);top:110px;left:8%}.result-confetti span:nth-child(4){color:var(--otopon-mint-deep);top:132px;right:8%}.result-trophy{color:#d58a18;background:#fff2c9;border-radius:27px;place-items:center;width:76px;height:76px;margin:0 auto 12px;display:grid;transform:rotate(-5deg)}.result-card h1{margin:8px 0 0;font-family:Zen Maru Gothic,sans-serif;font-size:clamp(1.7rem,4vw,2.35rem);font-weight:900}.result-mode{color:var(--otopon-ink-soft);margin:7px 0 0;font-size:.82rem;font-weight:800}.result-score{color:var(--otopon-blue-deep);justify-content:center;align-items:baseline;margin-top:15px;display:flex}.result-score strong{font-size:4rem;font-weight:900;line-height:1}.result-score span{color:var(--otopon-ink-soft);font-size:1rem;font-weight:900}.result-stars{color:#f2b62a;letter-spacing:.08em;text-shadow:0 3px #ae80231a;margin-top:9px;font-size:2.15rem}.result-message{color:var(--otopon-ink-soft);margin:12px 0 22px;font-family:Zen Maru Gothic,sans-serif;font-size:.9rem;font-weight:700}.result-actions{justify-content:center;gap:11px;display:flex}.result-actions button{min-width:190px;padding:0 19px}.new-record{color:var(--otopon-purple);align-items:center;gap:5px;margin:19px 0 0;font-size:.78rem;font-weight:900;display:inline-flex}.app-footer{color:#8c9caf;text-align:center;padding:10px 0 2px;font-size:.7rem;font-weight:800}.app-footer span{color:var(--otopon-purple);font-size:1rem}.portrait-guard{display:none}@keyframes feedback-pop{0%{opacity:0;transform:translate(-50%,-50%)scale(.65)rotate(-7deg)}45%{opacity:1;transform:translate(-50%,-50%)scale(1.08)rotate(3deg)}to{opacity:1;transform:translate(-50%,-50%)scale(1)rotate(0)}}@media (width<=760px){.otopon-app{padding:12px}.app-header{min-height:58px}.midi-status-copy{min-width:80px}.home-hero{grid-template-columns:1fr .82fr}.hero-copy{padding:30px 25px}.hero-illustration{min-height:280px}.music-bubble{width:135px;height:135px}.music-bubble svg{width:70px}.quiz-card{padding-inline:20px}.progress-dots span{width:14px}.progress-dots span.is-current{width:23px}}@media (orientation:portrait){.portrait-guard{z-index:100;background:linear-gradient(145deg,#e9f7ff,#effbf4);place-items:center;width:100%;height:100%;padding:24px;display:grid;position:fixed}.portrait-guard-card{border:1px solid var(--otopon-line);box-shadow:var(--otopon-shadow);text-align:center;background:#ffffffe6;border-radius:27px;flex-direction:column;align-items:center;gap:9px;padding:32px 28px;display:flex}.portrait-phone{border:5px solid var(--otopon-blue);width:74px;height:74px;color:var(--otopon-blue-deep);border-radius:21px;place-items:center;font-size:2.6rem;font-weight:900;display:grid;transform:rotate(90deg)}.portrait-guard-card strong{margin-top:8px;font-family:Zen Maru Gothic,sans-serif;font-size:1.3rem;font-weight:900}.portrait-guard-card>span:last-child{color:var(--otopon-ink-soft);font-size:.85rem;font-weight:700}}@media (height<=650px) and (orientation:landscape){.otopon-app{padding-top:8px}.app-header{min-height:52px}.app-main{padding-top:14px}.home-hero,.hero-illustration{min-height:245px}.hero-copy{padding-top:27px;padding-bottom:22px}.hero-description{margin-top:9px;line-height:1.5}.music-bubble{width:130px;height:130px;top:46px}.sun-orb{width:94px;height:94px;top:16px}.mode-section{margin-top:14px;padding-block:17px}.mode-card{min-height:75px;padding-block:10px}.mode-icon{flex-basis:48px;width:48px;height:48px}.mode-icon svg{width:27px}.home-tips{padding-top:9px}.quiz-card{min-height:395px;margin-top:10px}.quiz-stage{min-height:240px}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-leading{syntax:"*";inherits:false}@property --tw-font-weight{syntax:"*";inherits:false}@property --tw-tracking{syntax:"*";inherits:false}@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-backdrop-blur{syntax:"*";inherits:false}@property --tw-backdrop-brightness{syntax:"*";inherits:false}@property --tw-backdrop-contrast{syntax:"*";inherits:false}@property --tw-backdrop-grayscale{syntax:"*";inherits:false}@property --tw-backdrop-hue-rotate{syntax:"*";inherits:false}@property --tw-backdrop-invert{syntax:"*";inherits:false}@property --tw-backdrop-opacity{syntax:"*";inherits:false}@property --tw-backdrop-saturate{syntax:"*";inherits:false}@property --tw-backdrop-sepia{syntax:"*";inherits:false}@property --tw-translate-x{syntax:"*";inherits:false;initial-value:0}@property --tw-translate-y{syntax:"*";inherits:false;initial-value:0}@property --tw-translate-z{syntax:"*";inherits:false;initial-value:0}