.download-detail {
    background: #f6f7fb;
}

.download-detail .site-header {
    background-color: rgba(229, 229, 229, .8);
    box-shadow: 0 5px 10px rgba(0, 0, 0, .3);
    height: 100px;
    padding: 0 10px;
}

.download-detail .logo-image {
    width: 265px;
}

.download-detail .logo-image img {
    display: block;
    height: auto;
    width: 100%;
}

.download-detail .site-nav {
    color: #333;
    font-size: 18px;
    gap: 0;
    letter-spacing: .1em;
    margin-left: auto;
    margin-right: 25px;
}

.download-detail .site-nav a {
    color: #333;
    position: relative;
}

.download-detail .site-nav a:hover {
    text-decoration: none;
}

.download-detail .site-nav a:not(:last-child)::after {
    content: '｜';
    margin: 0 8px;
}

.download-detail .site-nav a::before {
    background-color: #333;
    content: '';
    height: 2px;
    position: absolute;
    bottom: -10px;
    left: 12.5%;
    transform: scale(0, 1);
    transform-origin: center top;
    transition: all .3s;
    width: 75%;
}

.download-detail .site-nav a:hover::before {
    transform: scale(1, 1);
}

.download-detail .footer-logo img {
    display: block;
    height: auto;
    width: min(398px, 72vw);
}

.download-detail .site-footer {
    background: #e5e5e5;
    color: #333;
    font-size: 18px;
    padding: 120px 0 135px;
    text-align: center;
}

.download-detail .footer-logo {
    display: flex;
    justify-content: center;
    margin-bottom: 14px;
}

.download-hero {
    background: linear-gradient(180deg, #fff 0%, #f7f8fb 100%);
    border-bottom: 1px solid #e5e7eb;
    padding: 72px clamp(18px, 5vw, 72px) 48px;
}

.download-hero-inner,
.download-section {
    margin: 0 auto;
    max-width: 1120px;
}

.download-hero-inner {
    align-items: start;
    display: grid;
    gap: 36px;
    grid-template-columns: minmax(0, 1.15fr) minmax(320px, .85fr);
}

.download-brand-logo {
    margin: 0 0 24px;
    max-width: 280px;
}

.download-brand-logo img {
    display: block;
    height: auto;
    width: 100%;
}

.download-kicker {
    color: #3366cc;
    font-size: 13px;
    font-weight: 800;
    letter-spacing: .12em;
    margin: 0 0 14px;
}

.download-brand h1 {
    font-size: clamp(32px, 5vw, 58px);
    line-height: 1.25;
    margin: 0 0 20px;
}

.download-lead {
    color: #475569;
    font-size: 17px;
    line-height: 1.95;
    max-width: 760px;
    margin: 0;
}

.download-summary {
    background: #fff;
    border: 1px solid #e5e7eb;
    box-shadow: 0 12px 30px rgba(15, 23, 42, .04);
    margin-top: 16px;
    overflow: hidden;
}

.download-thumb {
    aspect-ratio: 16 / 9;
    background: #f1f5f9;
    margin: 0;
    overflow: hidden;
}

.download-thumb img {
    height: 100%;
    object-fit: cover;
    width: 100%;
}

.download-summary-body {
    padding: 22px 24px 26px;
}

.download-summary-body time {
    color: #64748b;
    display: block;
    font-size: 13px;
    font-weight: 700;
    margin-bottom: 10px;
}

.download-summary-body p {
    color: #334155;
    font-size: 16px;
    line-height: 1.9;
    margin: 0;
}

.download-section {
    padding: 56px clamp(18px, 5vw, 72px) 84px;
}

.download-form-panel {
    background: rgba(255, 255, 255, .94);
    border: 1px solid rgba(171, 143, 70, .24);
    box-shadow: 0 22px 54px rgba(51, 51, 51, .08);
    margin: 0 auto;
    max-width: 980px;
    padding: 48px;
}

.download-section-head {
    margin-bottom: 34px;
    max-width: 760px;
}

.download-section-head h2 {
    font-size: clamp(28px, 4vw, 40px);
    line-height: 1.3;
    margin: 0 0 10px;
}

.download-section-head p {
    color: #64748b;
    font-size: 16px;
    line-height: 1.9;
    margin: 0;
}

.download-notice {
    background: #ecfdf5;
    border: 1px solid #bbf7d0;
    border-radius: 12px;
    color: #065f46;
    font-size: 16px;
    font-weight: 700;
    margin: 0 0 24px;
    padding: 14px 18px;
}

.download-index-list {
    display: grid;
    gap: 22px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.download-index-list > li {
    border-top: 0;
    margin-top: 0;
    padding: 0;
}

.download-index-list dl {
    align-items: stretch;
    display: block;
    margin: 0;
}

.download-index-list dt {
    color: #333;
    font-size: 15px;
    font-weight: 800;
    letter-spacing: .08em;
    margin-bottom: 8px;
    padding: 0;
    position: static;
    width: auto;
}

.download-index-list dt::before {
    content: none;
}

.download-index-list dd {
    flex-grow: 1;
    margin: 0;
    padding: 0;
}

.download-index-list label {
    font-weight: 700;
}

.download-name-pair {
    display: grid;
    gap: 18px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.download-name-pair label {
    color: #64748b;
    display: block;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: .04em;
    margin-bottom: 8px;
}

.download-index-list input,
.download-index-list textarea {
    background: #fff;
    border: 1px solid #d8dee8;
    border-radius: 8px;
    color: #333;
    font: inherit;
    font-size: 17px;
    padding: 12px;
    transition: border-color .18s ease, box-shadow .18s ease, background-color .18s ease;
    width: 100%;
}

.download-index-list input {
    height: 58px;
}

.download-index-list input:focus,
.download-index-list textarea:focus {
    border-color: #3366cc;
    box-shadow: 0 0 0 4px rgba(51, 102, 204, .12);
    outline: none;
}

.download-detail .form-error {
    background: #fff1f2;
    border-color: #fecdd3;
    color: #9f1239;
    margin: 0 0 24px;
}

.download-index-list input.is-invalid,
.download-index-list textarea.is-invalid {
    border-color: #e11d48;
    box-shadow: 0 0 0 4px rgba(225, 29, 72, .12);
}

.download-agreed input.is-invalid + .custom-checkbox {
    border-color: #e11d48;
    box-shadow: 0 0 0 4px rgba(225, 29, 72, .12);
}

.download-index-list .textarea dl {
    align-items: flex-start;
}

.download-index-list .textarea dt::before {
    content: none;
}

.download-index-list textarea {
    min-height: 150px;
    resize: vertical;
}

.download-policy {
    background: #f8fafc;
    border: 1px solid #d8dee8;
    border-radius: 8px;
    margin: 30px 0 0;
    overflow: hidden;
}

.download-policy summary {
    align-items: center;
    cursor: pointer;
    display: flex;
    font-size: 15px;
    font-weight: 800;
    gap: 16px;
    justify-content: space-between;
    list-style: none;
    padding: 18px 20px;
}

.download-policy summary::-webkit-details-marker {
    display: none;
}

.download-policy summary:focus-visible,
.contact_kiyaku summary:focus-visible {
    outline: 3px solid rgba(51, 102, 204, .24);
    outline-offset: -3px;
}

.policy-summary_text {
    display: grid;
    gap: 4px;
}

.policy-summary_title {
    color: #333;
    font-size: 15px;
    font-weight: 800;
    letter-spacing: .06em;
}

.policy-summary_note {
    color: #64748b;
    font-size: 12px;
    font-weight: 600;
    line-height: 1.6;
}

.policy-summary_action {
    align-items: center;
    background: #333;
    border-radius: 999px;
    color: #fff;
    display: inline-flex;
    flex: 0 0 auto;
    font-size: 12px;
    font-weight: 800;
    height: 32px;
    justify-content: center;
    min-width: 64px;
    padding: 0 14px;
}

.download-policy[open] .policy-summary_action {
    background: #3366cc;
    font-size: 0;
}

.download-policy[open] .policy-summary_action::before {
    content: "閉じる";
    font-size: 12px;
}

.download-policy-body {
    border-top: 1px solid #d8dee8;
    height: 360px;
    max-height: 360px;
    overflow: auto;
    padding: 18px 20px;
}

.download-policy-body p {
    color: #475569;
    font-size: 13px;
    line-height: 1.9;
    margin: 0;
}

.download-agreed {
    align-items: center;
    display: flex;
    gap: 10px;
    justify-content: center;
    margin-top: 24px;
    color: #333;
    font-size: 15px;
    font-weight: 800;
}

.download-agreed input {
    opacity: 0;
    position: absolute;
    pointer-events: none;
}

.download-agreed .custom-checkbox {
    background-color: #fff;
    border: 1px solid #64748b;
    border-radius: 3px;
    cursor: pointer;
    display: inline-block;
    flex: 0 0 18px;
    height: 18px;
    position: relative;
    width: 18px;
}

.download-agreed .custom-checkbox::after {
    color: #333;
    content: "\2713";
    display: none;
    font-size: 15px;
    line-height: 1;
    position: absolute;
    top: -1px;
    left: 3px;
}

.download-agreed input[type="checkbox"]:checked + .custom-checkbox::after {
    display: block;
}

.download-agreed input:focus-visible + .custom-checkbox {
    box-shadow: 0 0 0 4px rgba(51, 102, 204, .16);
}

.download-submit {
    margin-top: 28px;
}

.download-detail .submit-btn {
    background: #333;
    border: 0;
    border-radius: 8px;
    box-shadow: 0 14px 30px rgba(51, 51, 51, .16);
    color: #fff;
    cursor: pointer;
    display: block;
    font-size: 18px;
    font-weight: 800;
    letter-spacing: .08em;
    line-height: 1;
    margin: 0 auto;
    max-width: 360px;
    min-height: 62px;
    text-align: center;
    transition: background-color .18s ease, box-shadow .18s ease, transform .18s ease;
    width: 100%;
}

.download-detail .submit-btn:hover {
    background: #3366cc;
    box-shadow: 0 18px 34px rgba(51, 102, 204, .22);
    transform: translateY(-1px);
}

.download-detail .submit-btn:disabled {
    cursor: not-allowed;
    opacity: .55;
    transform: none;
}

@media (max-width: 800px) {
    .download-detail .site-header {
        height: 70px;
        padding: 0 18px;
    }

    .download-detail .logo-image {
        width: 210px;
    }

    .download-detail .site-nav {
        font-size: 16px;
        margin: 0;
        top: 70px;
    }

    .download-detail .site-nav a:not(:last-child)::after,
    .download-detail .site-nav a::before {
        content: none;
    }

    .download-hero {
        padding: 48px 20px 32px;
    }

    .download-hero-inner {
        grid-template-columns: 1fr;
    }

    .download-section {
        padding: 36px 20px 72px;
    }

    .download-form-panel {
        padding: 28px 20px;
    }

    .download-index-list > li {
        margin-bottom: 0;
    }

    .download-index-list dl {
        display: block;
    }

    .download-index-list dt {
        padding: 0;
        width: 100%;
    }

    .download-index-list dt::before {
        content: none;
    }

    .download-index-list dd {
        padding: 0;
        width: 100%;
    }

    .download-name-pair {
        gap: 12px;
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .download-policy {
        margin-right: 0;
        margin-left: 0;
    }

    .download-policy summary {
        align-items: flex-start;
        padding: 14px;
    }

    .download-policy-body {
        height: 280px;
        max-height: 280px;
        padding: 14px;
    }

    .policy-summary_action {
        height: 30px;
        min-width: 58px;
    }

    .download-detail .submit-btn {
        font-size: 17px;
        line-height: 1;
        margin: 0 auto;
        min-height: 58px;
        width: 100%;
    }

    .download-detail .footer-logo img {
        width: 240px;
    }

    .download-detail .site-footer {
        font-size: 12px;
        padding: 60px 18px 90px;
    }
}