@charset "UTF-8";

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
    background-color: #f4f3f0; 
    color: #2b2b2b;
    line-height: 1.85;
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
    letter-spacing: 0.03em;
}

a {
    color: #8c765c;
    text-decoration: none;
    transition: color 0.3s ease, opacity 0.3s ease;
}

a:hover {
    color: #a38d72;
    opacity: 0.8;
}

.wrapper {
    max-width: 740px;
    margin: 0 auto;
    padding: 60px 24px;
}

article {
    background-color: #ffffff;
    padding: 56px 64px;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(140, 118, 92, 0.05);
    border: 1px solid rgba(140, 118, 92, 0.08);
}

@media (max-width: 739px) {
    .wrapper {
        padding: 24px 16px;
    }
    article {
        padding: 32px 24px;
        border-radius: 12px;
    }
}

h1 {
    font-size: 2rem;
    line-height: 1.45;
    color: #1a1a1a;
    margin-bottom: 20px;
    font-weight: 700;
    letter-spacing: 0.02em;
}

@media (max-width: 739px) {
    h1 {
        font-size: 1.6rem;
    }
}

.sub-text {
    font-size: 0.85rem;
    color: #7a7a7a;
    border-bottom: 1px solid #e8e6e1;
    padding-bottom: 24px;
    margin-bottom: 40px;
    line-height: 1.7;
}

h2 {
    font-size: 1.35rem;
    color: #1a1a1a;
    position: relative;
    padding-bottom: 10px;
    margin-top: 56px;
    margin-bottom: 24px;
    font-weight: 700;
    letter-spacing: 0.04em;
    border-bottom: 1px solid #e8e6e1;
}

h2::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -1px;
    width: 48px;
    height: 2px;
    background-color: #c5a880;
}

p {
    margin-bottom: 28px;
    word-wrap: break-word;
    text-align: justify;
}

strong {
    background: linear-gradient(transparent 70%, #f4ebd9 70%);
    font-weight: 700;
    color: #1a1a1a;
    padding: 0 2px;
}

.info-table {
    width: 100%;
    border-collapse: collapse;
    margin: 40px 0;
    font-size: 0.95rem;
    border: 1px solid #e8e6e1;
}

.info-table th, 
.info-table td {
    padding: 16px 20px;
    text-align: left;
    border-bottom: 1px solid #e8e6e1;
}

.info-table th {
    background-color: #faf9f6;
    color: #4a4a4a;
    width: 28%;
    font-weight: 700;
    white-space: nowrap;
    letter-spacing: 0.05em;
}

.info-table td {
    background-color: #ffffff;
    color: #2b2b2b;
}

@media (max-width: 739px) {
    .info-table th {
        width: 35%;
        padding: 14px 12px;
    }
    .info-table td {
        padding: 14px 12px;
    }
}

@media (prefers-color-scheme: dark) {
    body {
        background-color: #141414;
        color: #cdcdcd;
    }

    article {
        background-color: #1c1c1c;
        box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
        border: 1px solid rgba(255, 255, 255, 0.03);
    }

    a {
        color: #c5a880;
    }

    h1 {
        color: #ffffff;
    }
    
    h2 {
        color: #ffffff;
        border-bottom-color: #2c2c2c;
    }

    .sub-text {
        color: #8a8a8a;
        border-bottom-color: #2c2c2c;
    }

    strong {
        background: linear-gradient(transparent 70%, #3a3224 70%);
        color: #ffffff;
    }

    .info-table {
        border-color: #2c2c2c;
    }

    .info-table th, 
    .info-table td {
        border-bottom-color: #2c2c2c;
    }

    .info-table th {
        background-color: #222222;
        color: #aaaaaa;
    }

    .info-table td {
        background-color: #1c1c1c;
        color: #cdcdcd;
    }
}