:root {
    --form-ink: #33251f;
    --form-brown: #5b3d2e;
    --form-rust: #9a5d3d;
    --form-bg: #f3eee6;
    --form-paper: #fffdf8;
    --form-line: #d9cdbd;
    --form-muted: #756b62;
    --form-danger: #a12620;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    color: var(--form-ink);
    background: linear-gradient(180deg, #f7f1e9, #fffdf8);
    font-family: "Yu Gothic", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
    line-height: 1.7;
}

.form-main {
    width: min(820px, calc(100% - 28px));
    margin: 38px auto 70px;
}

.form-title {
    margin-bottom: 24px;
    text-align: center;
}

.eyebrow {
    margin: 0 0 8px;
    color: var(--form-rust);
    font-size: .78rem;
    font-weight: 800;
    letter-spacing: .14em;
}

.form-title h1 {
    margin: 0;
    color: var(--form-brown);
    font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
    font-size: clamp(2rem, 7vw, 3.3rem);
    line-height: 1.3;
}

.form-title p:last-child {
    margin: 10px 0 0;
    color: var(--form-muted);
}

.form-notice {
    margin-bottom: 22px;
    padding: 16px 18px;
    border-left: 5px solid var(--form-rust);
    background: #f3e7d9;
}

.form-notice strong {
    color: var(--form-brown);
}

.form-notice p {
    margin: 4px 0 0;
    color: var(--form-muted);
}

.form-message {
    min-height: 1.7em;
    margin-bottom: 12px;
    color: var(--form-brown);
}

.form-message.error {
    color: var(--form-danger);
}

.form-message.success {
    padding: 14px;
    background: #e5f1e8;
    color: #24553b;
}

.resident-registration-guide {
    margin: 0 0 22px;
    padding: 18px;
    border: 1px solid #b8d5c0;
    background: #edf7f0;
    color: #24553b;
}

.resident-registration-guide p {
    margin: 0 0 10px;
}

.resident-registration-guide p:last-of-type {
    margin-bottom: 14px;
}

.resident-registration-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 10px 22px;
    border-radius: 999px;
    color: #fff;
    background: #06c755;
    font-weight: 800;
    text-decoration: none;
}

.resident-registration-link:hover {
    background: #05a948;
}

.agree a {
    color: var(--form-rust);
    font-weight: 800;
}

.panel {
    margin-bottom: 22px;
    padding: 26px;
    border: 1px solid var(--form-line);
    background: var(--form-paper);
    box-shadow: 0 10px 25px rgba(70, 47, 32, .08);
}

.panel h2 {
    margin: 0 0 8px;
    color: var(--form-brown);
    font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
    font-size: 1.5rem;
}

.section-note,
.help {
    color: var(--form-muted);
    font-size: .88rem;
}

.section-note {
    margin: 0 0 20px;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.field {
    margin-bottom: 18px;
}

.field:last-child {
    margin-bottom: 0;
}

.field label,
legend {
    display: block;
    margin-bottom: 6px;
    color: var(--form-brown);
    font-weight: 800;
}

.field label span,
legend span {
    margin-left: 8px;
    padding: 2px 7px;
    border-radius: 4px;
    background: #ead8c8;
    color: var(--form-rust);
    font-size: .72rem;
}

input,
textarea,
select {
    width: 100%;
    padding: 11px 12px;
    border: 1px solid #bcae9e;
    border-radius: 5px;
    color: var(--form-ink);
    background: #fff;
    font: inherit;
}

textarea {
    min-height: 150px;
    resize: vertical;
}

input:focus,
textarea:focus {
    border-color: var(--form-rust);
    outline: 3px solid rgba(154, 93, 61, .16);
}

.help {
    margin: 5px 0 0;
}

.preview-wrap {
    margin-top: 14px;
    max-width: 460px;
    border: 1px solid var(--form-line);
    background: #eee5da;
}

.preview-wrap img {
    display: block;
    width: 100%;
    max-height: 340px;
    object-fit: contain;
}

fieldset {
    min-width: 0;
    margin: 0 0 20px;
    padding: 0;
    border: 0;
}

.choice-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 8px;
}

.choice-grid label {
    margin: 0;
    padding: 10px;
    border: 1px solid var(--form-line);
    background: #fff;
    font-weight: 700;
    cursor: pointer;
}

.choice-grid input {
    width: auto;
    margin-right: 5px;
}

.agreement-list {
    display: grid;
    gap: 12px;
}

.agree {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    padding: 12px;
    border: 1px solid var(--form-line);
    background: #faf5ee;
    cursor: pointer;
}

.agree input {
    flex: 0 0 auto;
    width: 20px;
    height: 20px;
    margin-top: 3px;
}

.submit-button {
    display: block;
    width: 100%;
    min-height: 56px;
    border: 0;
    border-radius: 999px;
    color: #fff;
    background: var(--form-brown);
    font: inherit;
    font-weight: 800;
    cursor: pointer;
}

.submit-button:hover {
    background: #422b20;
}

@media (max-width: 620px) {
    .form-main {
        margin-top: 26px;
    }

    .panel {
        padding: 20px 16px;
    }

    .form-grid,
    .choice-grid {
        grid-template-columns: 1fr;
    }

    .choice-grid label {
        min-height: 46px;
    }
}

@media (max-width: 768px) {
    .site-header .header-inner {
        display: block;
        padding: 12px 16px 10px;
    }

    .site-header .site-title {
        margin-bottom: 8px;
    }

    .site-header .site-title h1 {
        font-size: 24px;
    }

    .site-header .site-title p {
        margin-top: 2px;
        font-size: 12px;
    }

    .site-header .global-nav {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 4px 8px;
        max-width: none;
    }

    .site-header .global-nav a {
        display: flex;
        align-items: center;
        min-height: 44px;
        padding: 8px 6px;
        font-size: 13px;
        line-height: 1.3;
        white-space: normal;
    }
}