.faq-section {
    max-width: 950px;
    margin: 60px auto;
    text-align: center;
}

.faq-list {
    margin: 30px 0 36px 0;
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.faq-item {
    background: white;
    border: 1px solid #b0b0b0;
    text-align: left;
    overflow: hidden;
    transition: box-shadow 0.15s;
}

.faq-question {
    padding: 18px 28px 18px 18px;
    display: flex;
    align-items: center;
    font-weight: bold;
    cursor: pointer;
    background: #fff;
    user-select: none;
}

.faq-q {
    font-size: 32px;
    font-weight: 500;
    font-family: 'Futura', 'Noto Sans JP', sans-serif;
    margin-right: 18px;
    color: #111;
    flex-shrink: 0;
}
.faq-question-text {
    flex: 1;
    font-weight: 500;
    letter-spacing: 0.06em;
}
.faq-toggle {
    font-size: 25px;
    margin-left: 16px;
    transition: transform 0.3s cubic-bezier(.4,2,.6,1);
    color: #222;
    font-family: inherit;
}

.faq-item:not(.open) .faq-toggle {
    transform: rotate(180deg);
}

.faq-answer {
    display: block;
    border-top: 1px solid #d9d9d9;
    padding: 0 48px;
    align-items: flex-start;
    gap: 18px;
    background: #fff;
    font-size: 17px;
    font-weight: normal;

    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transition: max-height 0.5s cubic-bezier(.4,2,.6,1), opacity 0.5s cubic-bezier(.4,2,.6,1);
}
.faq-item.open .faq-answer {
    padding: 18px 48px;
    max-height: 500px;
    opacity: 1;
    transition: max-height 0.5s cubic-bezier(.4,2,.6,1), opacity 0.5s cubic-bezier(.4,2,.6,1);
}
.faq-item:not(.open) .faq-answer {
    padding: 0 48px;
}

.faq-a {
    font-size: 24px;
    font-weight: 500;
    margin-right: 18px;
    color: #111;
    font-family: 'Futura', 'Noto Sans JP', sans-serif;
    flex-shrink: 0;
    margin-top: 2px;
}
.faq-answer-text {
    font-size: 16px;
    color: #111;
    font-weight: 500;
    line-height: 1.7;
    letter-spacing: 0.05em;
    margin-top: 2px;
}

.contact-button {
    background: black;
    color: white;
    padding: 16px 64px;
    border-radius: 100px;
    border: none;
    cursor: pointer;
    font-size: 18px;
    font-weight: 500;
    margin: 30px 0 0 0;
    transition: background 0.2s;
    letter-spacing: 0.04em;
}
.contact-button:hover {
    background: #333;
}

@media (max-width: 768px) {
    .faq-item {
        width: 94vw;
        margin: auto;
    }
    .faq-question {
        padding: 18px 28px 18px 18px;
    }

    .faq-q {
        font-size: 1.5em;
        margin-right: 18px;
    }
    .faq-question-text {
        flex: 1;
        font-weight: 500;
        letter-spacing: 0.06em;
    }
    .faq-toggle {
        font-size: 25px;
        margin-left: 16px;
        transition: transform 0.3s cubic-bezier(.4,2,.6,1);
        color: #222;
        font-family: inherit;
    }
    
    .faq-answer {
        display: block;
        border-top: 1px solid #d9d9d9;
        padding: 0 3em;
        align-items: flex-start;
        gap: 1em;
        background: #fff;
        font-size: 1em;
        font-weight: normal;

        max-height: 0;
        opacity: 0;
        overflow: hidden;
        transition: max-height 0.5s cubic-bezier(.4,2,.6,1), opacity 0.5s cubic-bezier(.4,2,.6,1);
    }
    .faq-item.open .faq-answer {
        padding: 18px 30px;
        max-height: 500px;
        opacity: 1;
        transition: max-height 0.5s cubic-bezier(.4,2,.6,1), opacity 0.5s cubic-bezier(.4,2,.6,1);
    }
    .faq-item:not(.open) .faq-answer {
        padding: 0 48px;
    }


    .faq-a {
        font-size: 1.5em;
    }
    .faq-answer-text {
        font-size: 1em;
    }

    .contact-button {
        padding: 1rem 1rem;
        width: 94vw;
        font-size: 16px;
        margin: 2.5em auto;
        letter-spacing: 0.04em;
        display: block;
    }

}