.article-main {
    padding-bottom: 60px;
}
.article-main > section:nth-of-type(n + 2) {
    margin-top: 60px;
    padding-top: 60px;
    border-top: 2px solid #e5e5e5;
}
.article-main > section > h2 {
    font-size: 2.4rem;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    gap: 10px;
    margin-bottom: 25px;
}
.article-main > section > h2 > span {
    font-size: 1.4rem;
    font-weight: bold;
    color: #fff;
    background-color: #dc7a89;
    padding: 0 12px;
    border-radius: 2px;
}
.article-main > section > h2 > p > small {
    font-size: 1.6rem;
}
.article-main > section textarea {
    width: 100%;
    display: block;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    background-color: #fff;
    outline: none;
    resize: none;
    border: 1px solid #c4c4c4;
    border-radius: 10px;
    padding: 15px;
    font-size: 1.8rem;
}

.meetup-post-list {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
    gap: 30px;
}
.meetup-post-list > li {
    -webkit-transition: 0.3s;
    transition: 0.3s;
    cursor: pointer;
    width: 160px;
    min-height: 94px;
}
.meetup-post-list > li > label {
    height: 100%;
    background-color: #fff;
    font-weight: bold;
    display: block;
    margin: 0;
    cursor: pointer;
}
.meetup-post-list > li > label > input {
    display: none;
}
.meetup-post-list > li > label > input:checked + div {
    background-color: #8ed1ee;
}
.meetup-post-list > li > label > input + div {
    -webkit-transition: 0.3s;
    transition: 0.3s;
    -webkit-box-shadow: 0px 0px 5px 1px rgba(0, 0, 0, 0.1);
    box-shadow: 0px 0px 5px 1px rgba(0, 0, 0, 0.1);
    border-radius: 10px;
    padding: 15px 0;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    width: 100%;
    height: 100%;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
    text-align: center;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -ms-flex-direction: column;
    flex-direction: column;
    gap: 10px;
    font-size: 1.6rem;
}
.meetup-post-list > li > label > input + div > img {
    width: 45px;
}
.meetup-post-term {
    padding: 15px;
    border-radius: 10px;
    border: 1px solid #c4c4c4;
}
.meetup-post-term-body {
    height: 200px;
    overflow: auto;
    padding: 10px;
}
.meetup-post-term-body > dl:nth-of-type(n + 2) {
    margin-top: 40px;
}
.meetup-post-term-body > dl > dt {
    color: #1781c1;
    font-size: 2rem;
    margin-bottom: 10px;
    font-weight: bold;
}
.meetup-post-term-body > dl > dd > p {
    font-size: 1.8rem;
    line-height: 2;
}
.meetup-post-term-body > dl > dd > ul {
    font-size: 1.4rem;
}
.meetup-post-send {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    width: 100%;
    max-width: 440px;
    height: 80px;
    border-radius: 10px;
    -webkit-box-shadow: 0px 0px 5px 1px rgba(0, 0, 0, 0.1);
    box-shadow: 0px 0px 5px 1px rgba(0, 0, 0, 0.1);
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    background-color: #1781c1;
    color: #fff;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
    background-repeat: no-repeat;
    background-position: right 20px center;
    font-size: 2rem;
    font-weight: bold;
    margin: 60px auto 0;
}
.meetup-post-send > img {
    max-width: none;
    height: 35px;
    margin-right: 10px;
}
@media screen and (max-width: 767px) {
    .article-main {
        padding-bottom: 40px;
    }
    .article-main > section:nth-of-type(n + 2) {
        margin-top: 30px;
        padding-top: 30px;
        border-top: 1px solid #e5e5e5;
    }
    .article-main > section > h2 {
        -ms-flex-wrap: wrap;
        flex-wrap: wrap;
        font-size: 2rem;
        margin-bottom: 15px;
    }
    .article-main > section > h2 > span {
        margin-right: auto;
    }
    .article-main > section textarea {
        font-size: 1.6rem;
    }
    .meetup-post-list {
        gap: 20px;
    }
    .meetup-post-list > li {
        min-height: 70px;
        width: calc(50% - 10px);
    }
    .meetup-post-term {
        padding: 10px;
    }
    .meetup-post-term-body > dl:nth-of-type(n + 2) {
        margin-top: 30px;
    }
    .meetup-post-term-body > dl > dt {
        margin-bottom: 5px;
        font-size: 1.6rem;
    }
    .meetup-post-term-body > dl > dd > p {
        font-size: 1.4rem;
    }
    .meetup-post-term-body > dl > dd > ul {
        font-size: 1.2rem;
    }
    .meetup-post-send {
        margin-top: 40px;
        height: 70px;
        font-size: 1.8rem;
    }
    .meetup-post-send > img {
        height: 28px;
    }
}

/* 文字数カウント */
.char-count {
    display: block;
    text-align: right;
    font-size: 1.4rem;
    color: #888;
    margin-top: 5px;
}

/* 成功メッセージ */
.success-message {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
    border-radius: 10px;
    padding: 15px;
    margin-bottom: 20px;
    text-align: center;
    font-size: 1.8rem;
    font-weight: bold;
}

/* 送信ボタンの無効化スタイル */
.meetup-post-send.disabled {
    background-color: #ccc;
    cursor: not-allowed !important;
    pointer-events: none;
}

@media screen and (max-width: 767px) {
    .char-count {
        font-size: 1.2rem;
    }

    .success-message {
        font-size: 1.6rem;
        padding: 12px;
    }
}