/* ====================================
   FAQ Component Styles
   アコーディオン式FAQ（トップページ & 各詳細ページ共通）
   ==================================== */

/* FAQ Item */
.faq__item,
.phase-faq__item {
    background: rgba(255, 255, 255, 0.05) !important;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1) !important;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
    padding: 0;
    border-radius: 6px;
    overflow: hidden;
    margin-bottom: 1rem;
}

.faq__item:last-child,
.phase-faq__item:last-child {
    margin-bottom: 0;
}

/* Question */
.faq__question,
.phase-faq__question {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem 2rem;
    cursor: pointer;
    position: relative;
    transition: background 0.3s;
}

.faq__question:hover,
.phase-faq__question:hover {
    background: rgba(255, 255, 255, 0.05);
}

/* Q Mark */
.faq__q-mark,
.phase-faq__q-mark {
    font-size: 1.2rem;
    color: #4CAF50;
    font-weight: bold;
    flex-shrink: 0;
}

/* Q Text */
.faq__q-text,
.phase-faq__q-text {
    font-size: 1.1rem;
    color: #fff;
    letter-spacing: 0.05em;
    font-weight: normal;
    margin: 0;
    flex-grow: 1;
}

/* Toggle Icon - Arrow Style (トップページ用) */
.faq__toggle-icon {
    width: 12px;
    height: 12px;
    border-right: 2px solid rgba(255, 255, 255, 0.5);
    border-bottom: 2px solid rgba(255, 255, 255, 0.5);
    transform: rotate(45deg);
    transition: transform 0.3s;
    margin-left: 10px;
    flex-shrink: 0;
}

.faq__question.is-open .faq__toggle-icon {
    transform: rotate(-135deg);
    border-color: #4CAF50;
}

/* Toggle Icon - Plus/Minus Style (詳細ページ用) */
.phase-faq__toggle-icon {
    position: relative;
    width: 24px;
    height: 24px;
    flex-shrink: 0;
    margin-left: auto;
}

.phase-faq__toggle-icon::before,
.phase-faq__toggle-icon::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    background: rgba(255, 255, 255, 0.6);
    transition: all 0.3s ease;
}

.phase-faq__toggle-icon::before {
    width: 16px;
    height: 2px;
    transform: translate(-50%, -50%);
}

.phase-faq__toggle-icon::after {
    width: 2px;
    height: 16px;
    transform: translate(-50%, -50%);
}

.phase-faq__question.is-open .phase-faq__toggle-icon::after {
    opacity: 0;
    transform: translate(-50%, -50%) rotate(90deg);
}

.phase-faq__question.is-open .phase-faq__toggle-icon::before {
    background: #4CAF50;
}

/* Answer */
.faq__answer,
.phase-faq__answer {
    display: none;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    background: rgba(0, 0, 0, 0.2);
}

/* Answer Inner */
.faq__answer-inner,
.phase-faq__answer-inner {
    padding: 1.5rem 2rem 2rem;
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

/* A Mark */
.faq__a-mark,
.phase-faq__a-mark {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.4);
    font-weight: bold;
    flex-shrink: 0;
}

/* A Text */
.faq__a-text,
.phase-faq__a-text {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
    margin: 0;
}

/* ====================================
   レスポンシブ対応
   ==================================== */

@media (max-width: 768px) {
    .faq__question,
    .phase-faq__question {
        padding: 1.2rem 1.5rem;
        gap: 0.8rem;
    }

    .faq__q-mark,
    .phase-faq__q-mark {
        font-size: 1rem;
    }

    .faq__q-text,
    .phase-faq__q-text {
        font-size: 0.95rem;
        letter-spacing: 0.03em;
    }

    /* Toggle Icon - Arrow Style */
    .faq__toggle-icon {
        width: 10px;
        height: 10px;
    }

    /* Toggle Icon - Plus/Minus Style */
    .phase-faq__toggle-icon {
        width: 20px;
        height: 20px;
    }

    .phase-faq__toggle-icon::before {
        width: 14px;
    }

    .phase-faq__toggle-icon::after {
        height: 14px;
    }

    .faq__answer-inner,
    .phase-faq__answer-inner {
        padding: 1.2rem 1.5rem 1.5rem;
        gap: 0.8rem;
    }

    .faq__a-mark,
    .phase-faq__a-mark {
        font-size: 1rem;
    }

    .faq__a-text,
    .phase-faq__a-text {
        font-size: 0.85rem;
        line-height: 1.7;
    }
}

@media (max-width: 480px) {
    .faq__item,
    .phase-faq__item {
        margin-bottom: 0.8rem;
    }

    .faq__question,
    .phase-faq__question {
        padding: 1rem 1.2rem;
        gap: 0.7rem;
    }

    .faq__q-mark,
    .phase-faq__q-mark {
        font-size: 0.95rem;
    }

    .faq__q-text,
    .phase-faq__q-text {
        font-size: 0.9rem;
        letter-spacing: 0.02em;
        line-height: 1.5;
    }

    /* Toggle Icon - Arrow Style */
    .faq__toggle-icon {
        width: 9px;
        height: 9px;
        margin-left: 8px;
    }

    /* Toggle Icon - Plus/Minus Style */
    .phase-faq__toggle-icon {
        width: 18px;
        height: 18px;
    }

    .phase-faq__toggle-icon::before {
        width: 12px;
    }

    .phase-faq__toggle-icon::after {
        height: 12px;
    }

    .faq__answer-inner,
    .phase-faq__answer-inner {
        padding: 1rem 1.2rem 1.2rem;
        gap: 0.7rem;
    }

    .faq__a-mark,
    .phase-faq__a-mark {
        font-size: 0.95rem;
    }

    .faq__a-text,
    .phase-faq__a-text {
        font-size: 0.8rem;
        line-height: 1.6;
    }
}