body {
    height: 100vh;
    box-sizing: border-box;
    background: #F8F3F2;
    font-family: 'Noto Sans JP';
    color: #2b0505;
}

header {
    display: flex;
    padding: 25px 0 0 25px;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    max-width: 1200px;
    padding: 0 25px;
}

.container {
    display: flex;
    height: 80%;
    padding: 20px 50px 50px 50px;
}

.main-content {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 80%;
    gap: 97px;
    margin-top: 46px;
    border-radius: 20px;
    background-color: #FFFDFD;
    filter: drop-shadow(0px 0px 15px rgba(0, 0, 0, 0.08));
}

.welcome {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.welcome img {
    margin-bottom: 40px;
}

.welcome h1 {
    margin-bottom: 28px;
}

.main-content img {
    width: 90px;
    opacity: 1;
}

.title h1 {
    font-size: 32px;
}

.sub-title {
    margin-bottom: 28px;
    display: flex;
    justify-content: center;
    text-align: center;
    color: #bfb2b2;
}

.logo h1 {
    font-size: 10vw;
}

.logo .kana {
    font-size: 2.5vw;
}


.logo img {
    width: 16%;
    object-fit: contain;
}

.hamburger {
    display: none;
}

.link-btn {
    display: flex;
    margin-bottom: 25px;
    gap: 25px;
}

/* ver1のみ使用 LP遷移用 */
.to-lp {
    width: 100%;
    display: flex;
    justify-content: center;
}

.to-lp img {
    width: 100%;
    max-width: 500px;
    height: auto;
    object-fit: contain;
    transition: 0.3s ease;
}

.to-lp img:hover {
    opacity: 0.3;
}

.link-btn button {
    width: 223px;
    height: 223px;
    border-radius: 20px;
    border: none;
    font-size: 20px;
    transition: 0.3s;
    background-color: #FFF;
    filter: drop-shadow(0px 0px 15px rgba(0, 0, 0, 0.08));
}

.all-equipment {
    width: 100%;
    height: 48px;
    border-radius: 10px;
    border: none;
    font-size: 20px;
    transition: 0.3s;
    background-color: #FFF;
    filter: drop-shadow(0px 0px 15px rgba(0, 0, 0, 0.08));
    color: #EE5528;
    font-size: 15px;
    font-weight: 700;
}

.check-inventory:hover,
.equipment-list:hover,
.all-equipment:hover {
    opacity: 0.5;
}

/* スマートフォン(480px以下) */
@media screen and (max-width: 480px) {
    html {
        height: 100%;
        width: 100%;
    }

    body {
        color: #2B0505;
        font-family: "Noto Sans JP";
        text-align: left;
        background-color: #f8f3f2;
        margin: 0;
        padding: 0;
    }

    header {
        display: flex;
        font-size: 24px;
        font-weight: bold;
        padding: 15px 0;
        background: #FFF;
        box-shadow: 0px 0px 12px 0px rgba(0, 0, 0, 0.12);
    }

    .header-container {
        padding: 0 15px;
    }

    .container {
        padding: 20px 15px;
        height: auto;
    }

    .main-content {
        width: 100%;
        margin-top: 20px;
        padding: 20px;
        gap: 30px;
    }

    .welcome {
        width: 100%;
    }

    .welcome img {
        width: 60px;
        margin-bottom: 20px;
    }

    .title h1 {
        font-size: 24px;
        margin-bottom: 20px;
        text-align: center;
    }

    .sub-title {
        font-size: 14px;
        margin-bottom: 20px;
    }

    .link-btn {
        /* flex-direction: column; */
        gap: 15px;
        margin-bottom: 20px;
    }

    .link-btn button {
        width: 100%;
        height: auto;
        aspect-ratio: 1 / 1;
    }

    .check-inventory svg {
        width: 90px;
    }

    .equipment-list svg {
        width: 66px;
    }

    .to-lp img {
        width: 100%;
        max-width: 300px;
        height: auto;
        object-fit: contain;
    }

    .all-equipment {
        width: 300px;
        height: 40px;
        font-size: 14px;
    }

    #sidebar-container {
        display: block;
        position: fixed;
        top: 0;
        right: 0;
        z-index: 1000;
    }


}