.main {
    max-width: 80%;
    margin: 2% auto;
}
.main__title {
    font-size: 1.5rem;
    font-weight: bold;
}
.title > p:nth-child(1) {
    background-color: #b5f0d4;
}
.box {
    display: grid;
    width: calc(100%-10px);
    border-top: 4px solid #b5e9f0;
    border-left: 4px solid #b5e9f0;
    grid-auto-rows: auto;
    grid-template-columns: 20% 80%;
}
  
.title__items {
    font-size: 16px;
    padding: .25rem .25rem .25rem .5rem;
    color: #444;
    border-right: 4px solid #b5e9f0;
    border-bottom: 4px solid #b5e9f0;
    background-color: #fff;
}

.firebase {
    list-style: none;
    margin-left: 2.5%;
}

@media screen and (max-width: 736px) {
    .box {
      grid-auto-columns: auto;
    }
    
  }

@media screen and (max-width: 426px) {
    .title > p {
        font-size: 0.5rem;
    }
    .title > p:first-child {
        background-color: #b5e9f0;
        font-size: 1rem;
    }
    .title > li {
        font-size: 0.5rem;
    }

    /* 利用規約の特定・明示 */
    .title__items {
        font-size: 0.5rem;
    }
    /* 利用規約の特定・明示　end */
}
@media screen and (max-width: 376px) {
}
@media screen and (max-width: 321px) {
}