@charset "UTF-8";

.main {
    overflow: hidden;
}

.section--members__form {
    padding: 64px 4.2% 80px;
}

.title {
    text-align: center;
}

.section--members__form .title::after {
    content: 'MEMBERS';
    font-size: 6.4rem;
    font-weight: 900;
    letter-spacing: 0.03em;
    background-repeat: no-repeat;
    color: #e6e6e6;
    opacity: 40%;
    position: absolute;
    top: -25px;
    left: 50%;
    transform: translateX(-50%);
    z-index: -10;
}

.membersForm__txt {
    font-size: 1.6rem;
    margin: 48px auto 0;
    width: 311px;
    text-align: left;
    letter-spacing: 0.03em;
}

.form__list {
    margin-top: 64px;
    font-size: 1.6rem;
    letter-spacing: 0.05em;
}

.form__item {
    margin-top: 32px;
}

.form__item::after {
    content: '';
    display: block;
    width: 100%;
    height: 1px;
    background-color: #e6e6e6;
    margin-top: 40px;
}

.form__title {
    display: flex;
    align-items: baseline;
}

input[type="radio"] {
    width: 16px;
    height: 16px;
    border: 1px solid #ccc;
    border-radius: 50%;
    margin-right: 8px;
}

input[type="radio"]:checked {
    position: relative;
}

input[type="radio"]:checked::after {
    display: block;
    content: '';
    width: 8px;
    height: 8px;
    background-color: #3f3f3f;
    border-radius: 50%;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(-45deg);
}

.group__radio {
    margin-left: 16px;
}

.radio {
    display: block;
    margin-top: 4px;
}

.radio:first-of-type {
    margin-top: 12px;
}

input[type="tel"],
input[type="email"],
input[type="url"],
input[type="text"] {
    width: 100%;
    background-color: #f5f5f5;
    color: #3f3f3f;
    font-size: 1.4rem;
    letter-spacing: 0.03em;
    margin-top: 12px;
    border-width: 1px;
    border-style: solid;
    border-color: #ccc;
    padding: 8px 0 8px 16px;
    border-radius: 4px;
}

.required {
    color: #445cbd;
    font-size: 1.4rem;
    margin-left: 8px;
}

/* small sp ~350 */
@media screen and (max-width: 350px){
    input[type="text"] {
        letter-spacing: 0;
        padding-left: 0;
    }

    .membersForm__txt {
        letter-spacing: 0;
    }
}

/* tab 600px */
@media screen and (min-width: 600px) {
    .section--members__form {
        padding: 96px 9.7% 120px;
    }
}

/* tab 1024px */
@media screen and (min-width: 1024px) {
    .section--members__form {
        padding: 120px 9.7% 180px;
    }

    .section--members__form .title::after {
        font-size: 9.6rem;
        top: -42px;
    }

    .membersForm__txt br {
        display: none;
    }

    .membersForm__txt {
        width: unset;
        text-align: center;
        margin-top: 56px;
    }

    .form__list {
        max-width: 1160px;
        margin: 88px auto 0;
    }

    .formItem__group {
        display: flex;
        justify-content: center;
        gap: 16px;
    }

    .form__item--checkbox .formItem__group {
        gap: 0;
    }

    .form__item--checkbox .form__title {
        width: 36%;
    }

    .form__item--checkbox .group__radio {
        width: 444px;
    }

    .form__title {
        width: 36%;
    }

    .radio:first-of-type {
        margin-top: 0;
    }

    .group__radio {
        width: 64%;
        margin-left: 0;
    }

    input[type="tel"],
    input[type="email"],
    input[type="url"],
    input[type="text"] {
        padding: 8px 80px 8px 16px;
        margin-top: 4px;
        letter-spacing: 0.05em;
    }
}

/* tab 1440px */
@media screen and (min-width: 1440px) {
    .section--members__form {
        padding: 184px 9.7% 280px;
    }

    .membersForm__txt {
        margin-top: 80px;
    }

    .form__list {
        margin-top: 96px;
    }
}