* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: #ffffff;
    color: #252525;
    font-family: Arial, Helvetica, sans-serif;
    line-height: 1.7;
}

a {
    color: inherit;
}

.container {
    width: min(1060px, calc(100% - 40px));
    margin: 0 auto;
}

.site-header {
    border-bottom: 1px solid #e7e7e7;
    background: #fff;
}

.header-inner {
    min-height: 128px;
    display: flex;
    align-items: center;
    gap: 24px;
}

.brand {
    display: block;
    flex: 0 0 auto;
}

.brand img {
    width: 112px;
    height: 112px;
    display: block;
    object-fit: contain;
}

.brand-text h1 {
    margin: 0 0 5px;
    font-size: clamp(21px, 3vw, 30px);
    line-height: 1.2;
    font-weight: 700;
    letter-spacing: .3px;
}

.brand-text p {
    margin: 0;
    color: #666;
    font-size: 14px;
}

.hero {
    padding: 72px 0 42px;
    border-bottom: 1px solid #ededed;
}

.eyebrow {
    margin: 0 0 9px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1.6px;
    color: #777;
}

.hero h2 {
    margin: 0 0 14px;
    font-size: clamp(30px, 5vw, 46px);
    line-height: 1.12;
    font-weight: 700;
}

.intro {
    max-width: 760px;
    margin: 0;
    color: #606060;
    font-size: 17px;
}

.content-section {
    padding: 48px 0;
}

.notice {
    max-width: 860px;
    margin: 0 auto;
    font-family: Georgia, "Times New Roman", serif;
    font-size: 17px;
}

.notice p {
    margin: 0 0 22px;
}

.notice h3 {
    margin: 34px 0 12px;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 19px;
    text-transform: uppercase;
    letter-spacing: .5px;
    border-bottom: 1px solid #ddd;
    padding-bottom: 8px;
}

.agenda {
    margin: 0;
    padding-left: 28px;
}

.agenda li {
    padding: 3px 0;
}

.agenda ol {
    margin-top: 4px;
    padding-left: 28px;
}

.signature {
    margin-top: 45px;
    margin-left: auto;
    width: max-content;
    max-width: 100%;
    text-align: center;
    font-family: Georgia, "Times New Roman", serif;
}

.signature strong,
.signature span {
    display: block;
}

.signature span {
    margin-top: 3px;
}

.document-section {
    padding: 0 0 56px;
}

.document-box {
    border: 1px solid #dedede;
    border-radius: 4px;
    padding: 28px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 30px;
}

.document-box h2 {
    margin: 0 0 7px;
    font-size: 24px;
}

.document-box p {
    margin: 0;
    color: #666;
}

.document-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    flex-shrink: 0;
}

.button {
    display: inline-block;
    padding: 11px 17px;
    background: #222;
    color: #fff;
    text-decoration: none;
    border: 1px solid #222;
    border-radius: 3px;
    font-size: 14px;
    font-weight: 700;
}

.button:hover {
    background: #444;
}

.button.secondary {
    background: #fff;
    color: #222;
}

.button.secondary:hover {
    background: #f5f5f5;
}

.site-footer {
    border-top: 1px solid #e5e5e5;
    background: #fafafa;
}

.footer-inner {
    padding: 32px 0 22px;
    display: flex;
    justify-content: space-between;
    gap: 40px;
}

.footer-inner p {
    margin: 4px 0 0;
    color: #666;
    font-size: 14px;
}

.contact {
    text-align: right;
}

.contact p {
    margin: 0 0 4px;
}

.contact a {
    text-decoration: none;
}

.contact a:hover {
    text-decoration: underline;
}

.copyright {
    border-top: 1px solid #e5e5e5;
    padding: 13px 0 20px;
    color: #888;
    font-size: 12px;
}

@media (max-width: 700px) {
    .container {
        width: min(100% - 28px, 1060px);
    }

    .header-inner {
        min-height: 100px;
        gap: 14px;
    }

    .brand img {
        width: 82px;
        height: 82px;
    }

    .brand-text h1 {
        font-size: 18px;
    }

    .brand-text p {
        font-size: 12px;
    }

    .hero {
        padding: 48px 0 32px;
    }

    .content-section {
        padding: 34px 0;
    }

    .notice {
        font-size: 16px;
    }

    .document-box,
    .footer-inner {
        flex-direction: column;
        align-items: flex-start;
    }

    .contact {
        text-align: left;
    }

    .document-actions {
        width: 100%;
    }

    .button {
        flex: 1 1 auto;
        text-align: center;
    }

    .signature {
        margin-left: 0;
        width: 100%;
    }
}