/* アットマリー共通：Tailwind 補助（フォーム・モーダル・ユーティリティ） */
html {
    visibility: visible;
    opacity: 1;
}
body {
    background-color: #f7f6f2;
    color: #1a2b3c;
    font-feature-settings: 'palt';
    font-family: 'Shippori Mincho', 'Noto Serif JP', serif;
}
.writing-vertical {
    writing-mode: vertical-rl;
    text-orientation: upright;
}
.ink-border-b {
    border-bottom: 1px solid rgba(26, 43, 60, 0.15);
}
.seal-btn {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.seal-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(200, 85, 72, 0.3);
}
.seal-btn:active {
    transform: translateY(1px);
}
.hp-field {
    position: absolute;
    left: -10000px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}
#formMessage.form-message--success {
    color: #1a2b3c;
    background: rgba(26, 43, 60, 0.06);
    border: 1px solid rgba(26, 43, 60, 0.15);
    padding: 0.75rem 1rem;
    border-radius: 0.125rem;
    font-size: 0.875rem;
}
#formMessage.form-message--error {
    color: #c85548;
    background: rgba(200, 85, 72, 0.08);
    border: 1px solid rgba(200, 85, 72, 0.35);
    padding: 0.75rem 1rem;
    border-radius: 0.125rem;
    font-size: 0.875rem;
}