.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  max-width: 360px;
  height: 60px;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition:
    background-color 0.15s ease,
    color 0.15s ease,
}

/* pribtn_nor */ 
.btn-primary { 
  background-color: var(--color-primary-400);
  color: var(--color-system-950);
}

.btn-primary.btn-primary--bg-back {
  color: var(--color-bg-back);
}

/* pribtn_hover */
.btn-primary:hover { 
  background-color: var(--color-primary-700);
  color: var(--color-system-950);
}

/* pribtn_pressed */
.btn-primary:active { 
  background-color: var(--color-primary-950);
  color: var(--color-primary-100);
}

/* pribtn_disabled */
.btn-primary:disabled { 
  background-color: var(--color-system-600);
  color: var(--color-system-400);
  cursor: not-allowed;
}

/* subbtn_nor */
.btn-sub {  
  background-color: var(--color-secondary-300);
  color: var(--color-bg-back);
}

/* subbtn_hover */
.btn-sub:hover {  
  background-color: var(--color-secondary-400);
  color: var(--color-bg-back);
}

/* subbtn_pressed */
.btn-sub:active {  
  background-color: var(--color-secondary-700);
  color: var(--color-bg-back);
}

/* bkbtn */
.btn-bk {
  background-color: var(--color-bg-back);
  color: var(--color-system-wt);
}

/* bkbtn_hover */
.btn-bk:hover {  
  background-color: var(--color-system-500);
  color: var(--color-bg-back);
}

/* bkbtn_pressed */
.btn-bk:active {  
  background-color: var(--color-primary-400);
  color: var(--color-bg-back);
}

.sub-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  max-width: 118px;
  height: 50px;
  background-color: var(--color-primary-400);
  color: var(--color-system-950);
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition:
    background-color 0.15s ease
}

.sub-btn.sub-btn--w100 {
  max-width: 100%;
}

.sub-btn.sub-btn--video {
  gap: 4px;
  font-size: 14px;
  font-weight: 400;
  line-height: 21px;
  max-width: 100%;
  color: var(--color-bg-back)
}

.sub-btn:hover { 
  background-color: var(--color-primary-700);
}

.sub-btn:active { 
  background-color: var(--color-primary-950);
  color: var(--color-primary-100);
}

.sub-btn:disabled { 
  background-color: var(--color-system-600);
  color: var(--color-system-400);
  cursor: not-allowed;
}

.sub-btn img {
  width: 24px;
  height: 24px;
}

/* ========================================
   PC (1024px 이상)
   ======================================== */
@media (min-width: 1024px) {
  .btn {
    max-width: 384px;
  }
}