@import url(https://fonts.googleapis.com/css2?family=Noto+Sans+JP&display=swap);.v-main{background:url(data:image/gif;base64,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)}.flex-none{flex:none}.flex-1{flex:1}.v-main__wrap{display:flex}.japanese-text{font-family:Noto Sans JP,sans-serif}.width-100{width:100%}.height-100{height:100vh}.v-dialog.v-dialog--active.v-dialog--fullscreen{display:flex!important;flex-direction:column!important}.max-600{max-width:600px}.login-divider{margin-top:.5rem;margin-bottom:.75rem;width:100%;text-align:center;font-size:.875rem;line-height:1rem;background:#8c9196;background:linear-gradient(180deg,transparent calc(50% - 1px),#8c9196 50%,transparent calc(50% + 1px))}.login-divider .login-divider-or{background:#fff}.mini-flash-card[data-v-51d12dd7]{width:30px;height:40px;margin-left:-10px;margin-bottom:5px;color:gray;font-size:8px;display:flex;align-items:right;justify-content:center;padding-right:8px}.level-1[data-v-51d12dd7]{background:#f6fff6!important}.level-2[data-v-51d12dd7]{background:#e2ffe2!important}.level-3[data-v-51d12dd7]{background:#c4ffc4!important}.level-4[data-v-51d12dd7]{background:#69ff69!important}.level-5[data-v-51d12dd7]{background:#ff0!important}.box.level-5[data-v-51d12dd7]{background:none!important}.flash-card[data-v-51d12dd7]{width:300px;height:400px;display:flex;flex-direction:column;align-items:center;justify-content:center}.flash-card .divide[data-v-51d12dd7]{width:75%;border:2px solid #000}.flash-card .answer[data-v-51d12dd7]{color:#87cefa;min-height:112px;height:112px}.flash-alert[data-v-51d12dd7]{width:300px;margin:0}.box[data-v-51d12dd7]{width:40px;height:40px;background:#fff;margin:2px;display:flex;align-items:center;justify-content:center}.header.box[data-v-51d12dd7]{background:#d32f2f;color:#fff}.box[data-v-6f3ad88d]{width:30px;height:30px;border:1px solid #000;margin:1px;text-align:center;align-items:center;justify-content:center;display:flex}.box.known[data-v-6f3ad88d]{border:none;background-color:#fff}.header[data-v-6f3ad88d]{font-weight:600;border:none}.mini-flash-card[data-v-6f3ad88d]{width:30px;height:40px;margin-left:-10px;margin-bottom:5px;color:grey;font-size:8px;display:flex;align-items:center;justify-content:center}