#page {
  font-family: 'Noto Sans JP';
}

/* subject container style */
#container {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 50px;
  overflow: visible;
  padding: 5px;
  width: calc(100% - 10px);
}

.subject {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-decoration: none;
  color: white;
  flex: 1 1 55px;
  padding: 15px;
  padding-bottom: 18px;
  border-radius: 10px;
  transition: ease 25ms;
  user-select: none;
}

.subject:hover {
  transform: scale(1.025);
}

.subject.radical {
  background: #00a6f9;
}

.subject.vocabulary,
.subject.kana_vocabulary {
  background: #9f00ef;
}

.subject.kanji {
  background: #fa00a6;
}

.subject.last-row {
  max-width: max-content;
}

.subject .characters {
  font-size: 45px;
  line-height: 1;
  margin-bottom: 15px;
  white-space: nowrap;
  display: flex;
  justify-content: center;
  text-shadow: 0px 5px 0px rgba(0, 0, 0, 0.25);
}

.subject.radical .characters {
  margin-inline: 8px;
}

.subject .information {
  display: flex;
  justify-content: center;
  white-space: nowrap;
  font-size: 15px;
  line-height: 1;
}

.subject .information span:not(:last-child)::after {
  content: '・';
  line-height: 1;
  margin: 0 3px;
}

/* section style */
.section {
  margin-block: 50px;
}

.step {
  font-size: 32px;
  font-weight: 500;
  margin-bottom: 10px;
  text-align: center;
}

/* api token style */
#api-token {
  width: 370px;
  text-align: center;
  color: #d14 !important;
  font-family: 'Noto Sans JP' !important;
  font-weight: 600;
}

#api-token::placeholder {
  font-weight: 400;
  opacity: 0.4;
}

.hint {
  font-size: 10px;
  opacity: 0.8;
  max-width: 370px;
  text-align: justify;
  letter-spacing: 0.3px;
}

/* input elements style */
#content {
  font-family: 'Noto Sans JP' !important;
  font-size: 14px;
  font-weight: 500;
  padding: 6px;
  box-shadow: 2px 2px 2px rgba(0, 0, 0, 0.2);
  border: 1px solid rgba(0, 0, 0, 0.2);
  background: var(--col-bg-high);
  color: var(--col-text-low);
  border-radius: 5px;
  max-height: 100px;
  cursor: pointer;
  scrollbar-color: rgba(0, 0, 0, 0.2) transparent;
  line-height: 1;
}

#content:hover {
  box-shadow: 2px 2px 3px rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(0, 0, 0, 0.3);
}

#content:focus {
  outline: none;
}

#content::-webkit-scrollbar {
  background-color: transparent;
}

#content::-webkit-scrollbar-thumb {
  background-color: rgba(0, 0, 0, 0.2);
}

.checkboxes {
  display: flex;
  align-items: center;
  flex-wrap: nowrap;
  gap: 7px;
}

label,
label > input {
  cursor: pointer;
  user-select: none;
  font-size: 14px;
  font-weight: 500;
  line-height: 1;
}

label {
  display: flex;
  align-items: center;
  gap: 2px;
}

#download > span {
  font-family: 'Noto Sans JP' !important;
  font-size: 14px;
  font-weight: 500;
  padding: 10px;
}

#input {
  display: flex;
  align-items: center;
  justify-content: center;
  column-gap: 40px;
  row-gap: 20px;
  flex-wrap: wrap;
}

.input-group {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.input-group .stack {
  gap: 0px;
}

.input-group .hint {
  margin-top: 1px;
}

/* error style */
#error {
  display: flex;
  align-items: center;
  flex-direction: column;
  margin-top: 50px;
}

#error img {
  margin-bottom: 20px;
  width: 200px !important;
  padding: 0px !important;
  border: none !important;
  border-radius: 10px !important;
  background: transparent !important;
}

#error .hint {
  font-size: 18px;
  color: #d14;
  opacity: 1;
  font-weight: 600;
  text-align: center;
  max-width: 500px;
}

/* generic style */
.stack {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.hidden {
  display: none !important;
}

/* changes for tablet design */
@media (max-width: 768px) {
  .step {
    font-size: 24px;
    margin-bottom: 5px;
  }

  #api-token {
    width: 270px;
  }

  .hint {
    max-width: 270px;
    font-size: 8px;
  }

  .section {
    margin-block: 30px;
  }

  #input label,
  #input select,
  #input button span {
    font-size: 12px;
  }

  #subject-container {
    margin-top: 30px;
  }

  .subject {
    padding: 10px;
    padding-bottom: 13px;
  }

  .subject .information {
    font-size: 13px;
  }

  .subject .characters {
    font-size: 37px;
  }

  .subject .information span:not(:last-child)::after {
    margin: 0 2px;
  }

  #error {
    width: 400px;
  }

  #error .hint {
    max-width: 400px;
  }

  #error img {
    width: 150px !important;
    margin-bottom: 15px;
  }

  #error .hint {
    font-size: 14px;
  }
}

/* changes for phone design */
@media (max-width: 480px) {
  .step {
    font-size: 20px;
    margin-bottom: 0px;
  }

  #api-token {
    width: 220px;
  }

  .hint {
    max-width: 220px;
    font-size: 8px;
  }


  #input label,
  #input select,
  #input button span {
    font-size: 10px;
  }

  .subject .information {
    font-size: 11px;
  }

  .subject .characters {
    font-size: 33px;
  }

  .subject .information span:not(:last-child)::after {
    margin: 0 1px;
  }

  #error {
    width: 300px;
  }

  #error img {
    width: 120px !important;
    margin-bottom: 10px;
  }

  #error .hint {
    font-size: 11px;
  }
}

/* changes for mini design */
@media (max-width: 350px) {
  .input-group {
    flex-direction: column;
  }
}