.wrapper {
    background-color: #f5f5f5;
}

.container2 {
    max-width: 1000px;
    margin: 0 auto 50px auto; 
    padding: 0 20px;
}

h1 {
    font-size: 2rem;
    border-bottom: 2px solid #ccc;
    padding-bottom: 0.5em;
    margin-bottom: 1em;
}

.section-header {
    text-align: center;
    background-color: #f5f5f5;
    padding: 40px 0 20px;
    position: relative;
}

.main-title {
    display: inline-block;
    font-size: 2rem;
    font-weight: bold;
    color: #000;
    margin: 0 1.5rem;
    position: relative;
    z-index: 1;
}

.line {
    display: inline-block;
    width: 30px;
    height: 2px;
    background-color: #4b8b79;
    transform: rotate(45deg);
    margin: 0 10px;
}

.line.left {
    position: relative;
    top: -5px;
}

.line.right {
    position: relative;
    top: -5px;
}

.sub-title {
    margin-top: 10px;
    font-size: 0.85rem;
    color: #999;
    letter-spacing: 1px;
}

table {
    width: 100%;
    border-collapse: collapse;
    background-color: #f5f5f5;
}

tr {
    border-top: 2px solid #ddd;
}

th,
td {
    padding: 1em 0;
}

th {
    position: relative;
    text-align: left;
    color: #4CAF50;
    vertical-align: top;
    width: 20%;
    font-weight: normal;
}

/* 線付きバー */
th::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    height: 2px;
    width: 100%;
    background-color: #4CAF50;
    /* 緑系バー */
}

td {
    vertical-align: top;
}

.location {
    margin-top: 1em;
}

.location strong {
    display: block;
    font-weight: bold;
    margin-top: 1em;
}

a {
    color: #4CAF50;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.president-message {
    background-color: #fafafa;
    padding: 2em;
    margin-bottom: 2em;
    border-left: 5px solid #4b8b79;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    font-size: 1.1rem;
    line-height: 1.8;
    color: #333;
    word-wrap: break-word;
    overflow-wrap: break-word;
    white-space: normal;
}

.p {
    margin-bottom: 1em;
}

.signature {
    text-align: right;
    font-weight: bold;
    color: #555;
    margin-top: 2.5em;
}

.address-box {
    display: flex;
    align-items: center;
    gap: 0.5em;
    margin-bottom: 1em;
}

.iframe-wrp {
    position: relative;
    width: 100%;
    padding-top: 56.25%;
    overflow: hidden;
}

.iframe-wrp iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

@media (max-width: 768px) {

    table,
    thead,
    tbody,
    tr,
    th,
    td {
        display: block;
        width: 100%;
    }

    th {
        background-color: #f9f9f9;
        padding-top: 1.5em;
        margin-top: 1em;
    }

    th::before {
        height: 3px;
        background-color: #4CAF50;
    }

    tr {
        border: none;
        margin-bottom: 1.5em;
    }

    td {
        padding-top: 0;
        margin-bottom: 1em;
    }

    .address-box {
        flex-direction: column;
        align-items: flex-start;
    }
}