* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    overflow-x: hidden;
}

html, body {
    width: 100%;
    height: 100%;
}

body {
    font-family: 'Segoe UI', sans-serif;
    background-color: white;
    color: #000;
    overflow-x: hidden;
    position: relative;
}

    /* 背景の半円（擬似要素） */
    body::before {
        content: "";
        position: absolute;
        width: 400px;
        height: 400px;
        border: 20px solid #f2b800;
        border-radius: 50%;
        background: transparent;
        top: -120px;
        left: -200px;
        z-index: 0;
    }

    body::after {
        content: "";
        position: absolute;
        width: 600px;
        height: 600px;
        border: 20px solid #f2b800;
        border-radius: 50%;
        background: transparent;
        bottom: -300px;
        right: -300px;
        z-index: 0;
    }

.wrapper {
    width: 100%;
    display: flex;
    justify-content: center;
    padding: 0 16px;
    position: relative;
    z-index: 1;
}

.container {
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.top-row {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    margin-top: 60px;
    gap: 20px;
    flex-wrap: nowrap;
}

@media (max-width: 767px) {
    body::before {
        width: 300px;
        height: 300px;
        top: -2%;
        left: -165px;
    }

    body::after {
        width: 480px;
        height: 480px;
        bottom: -240px;
        right: -280px;
    }
}

@media (max-width: 767px) and (orientation: landscape) {
    body::after {
        bottom: -400px;
    }
}

@media (max-width: 450px) {
    body::before {
        width: 240px;
        height: 240px;
        top: -2%;
        left: -165px;
    }

    body::after {
        width: 360px;
        height: 360px;
        bottom: -160px;
        right: -300px;
    }

    .top-row {
        flex-wrap: nowrap;
        gap: 10px;
    }

    .background-ring {
        flex-shrink: 0;
    }

    .header {
        text-align: left;
    }
}

.background-ring {
    width: 120px;
    height: 120px;
    background: white;
    border-radius: 50%;
    /* box-shadow: 0 0 30px #000000e6;  ←　灰色のぼかしをやめてってさ   */
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.2rem;
    text-align: center;
    line-height: 1.2;
    z-index: 1;
    background-image: url('../../img/links/ww-mall.png'); /* 画像パス */
    background-size: cover; /* 要素全体を覆うように拡大縮小 */
    background-position: center; /* 中央に配置 */
    background-repeat: no-repeat; /* 繰り返ししない */
}

.header {
    text-align: left;
}

    .header .logo {
        font-size: 2.5rem;
        font-weight: bold;
    }

    .header .subtext {
        margin-top: 10px;
        font-size: 1.1rem;
    }

.section {
    /*background-color: #f9f9f9;*/
    padding: 20px 0px 20px 0px;
    ;
    margin-top: 10px;
    /*border-radius: 10px;*/
    /*box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);*/
    text-align: left;
    width: 100%;
}

.item {
    padding: 15px 10px;
    border-bottom: 1px solid #ddd;
    margin-bottom: 5px;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    background: white;
}

.item_error {
    padding: 15px 10px;    
    margin-bottom: 5px;
    border-radius: 10px;
    background: white;
}

.item-main {
    display: flex;
    align-items: center;
}

.item:last-child {
    border-bottom: none;
}

.iconff {
    width: 70px;
    height: 70px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 15px;
    flex-shrink: 0;
}

.icon {
    width: 70px;
    height: 70px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 15px;
    flex-shrink: 0;
}

.text-area {
    flex: 1;
}

    .text-area .title {
        font-size: 1.1rem;
        font-weight: bold;
    }

    .text-area .desc {
        font-size: 0.95rem;
        color: #333;
    }

.item-notice-wrap {
    display: flex;
    margin-top: 5px;
    margin-left: 80px; /* FLOWFUSHI公式サイト と開始位置を揃えるための調整 */
}

.item-notice {
    font-size: 0.8rem;
    color: #c00;
    margin-left: 5px;
}

.graybar {
    margin-top: 20px;
    height: 40px;
    width: 100vw;
    background-color: #99BDD8;
}

.logo_img {
    width: 100%;
}