/**
 * First View (FV)
 */
.p-fv {
    position: relative;
    width: 100%;
    height: 600px; /* PC基準の高さ */
    background-image: url('../img/fv-bg-pc.jpg');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.p-fv__inner {
    width: 100%;
}

.p-fv__content {
    max-width: 600px;
    animation: fvFadeIn 1s ease-out forwards;
}

/* テキストスタイル */
.p-fv__sub-title {
    font-size: 20px;
    font-weight: 800;
    color: var(--color-main);
    letter-spacing: 0.05em;
    margin-bottom: 20px;
}

.p-fv__main-copy {
    font-size: clamp(2.5rem, 0.939rem + 3.25vw, 3.375rem);
    line-height: 1.3;
    font-weight: 800;
    color: var(--color-main);
    margin-bottom: 40px;
}

/* FV専用ボタン */
.c-btn-fv {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-key);
    color: var(--color-main);
    font-weight: bold;
    padding: 15px 40px;
    border-radius: 4px;
    text-decoration: none;
    font-size: 18px;
    transition: 0.3s;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.c-btn-fv:hover {
    background-color: #ffe64d;
    transform: translateY(-2px);
}

.c-btn-fv img {
    width: 20px;
    margin-left: 15px;
}

/* 装飾要素 */
.p-fv__deco-icon {
    position: absolute;
    left: 40px;
    bottom: 20%;
    width: 60px;
    opacity: 0.8;
}

/**
 * レスポンシブ (SP)
 */
@media screen and (max-width: 768px) {
    .p-fv {
        height: auto;
        min-height: 140vw; /* 画像の比率に合わせる */
        background-image: url('../img/fv-bg-sp.jpg');
        align-items: flex-start;
        padding-top: 60px;
    }

    .p-fv__content {
        padding: 0 20px;
    }

    .p-fv__sub-title {
        font-size: 14px;
        margin-bottom: 10px;
    }

    .p-fv__main-copy {
        font-size: clamp(1.8rem, 8vw, 2.5rem);
        margin-bottom: 200px;
    }

    .p-fv__btn-wrap {
        width: 100%;
    }

    .c-btn-fv {
        width: 100%;
        padding: 18px 20px;
        font-size: 16px;
    }
}

/* フェードインアニメーション */
@keyframes fvFadeIn {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}