/* ==============================
   CSS変数（ヘッダーと統一）
============================== */
:root {
    --color-primary: #4EBCD4;
    --color-primary-light: #87CEEB;
    --color-orange: #F5A623;
    --color-orange-dark: #E8941E;
    --color-green: #7CB342;
    --color-green-dark: #558B2F;
    --color-yellow: #FFD700;
    --color-bg-light: #F5F9E8;
    --color-text: #333333;
    --color-text-light: #666666;
    --color-white: #FFFFFF;
    --color-border: #E0E0E0;
    --color-error: #e30e03;
    --font-main: 'Noto Sans JP', sans-serif;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 16px;
}

/* ==============================
   コンタクトセクション
============================== */
.contact-section {
    width: 100%;
    min-height: 100vh;
    background: linear-gradient(135deg, var(--color-bg-light) 0%, #e8f4f8 100%);
    padding: 4rem 1.5rem;
}

.contact-container {
    max-width: 800px;
    margin: 0 auto;
}

/* ==============================
   セクションヘッダー
============================== */
.contact-header {
    text-align: center;
    margin-bottom: 3rem;
}

.contact-title {
    font-size: 2rem;
    font-weight: 900;
    color: var(--color-text);
    margin-bottom: 0.75rem;
    position: relative;
    display: inline-block;
}

.contact-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-green));
    border-radius: 2px;
}

.contact-subtitle {
    font-size: 1rem;
    color: var(--color-text-light);
    margin-top: 1.25rem;
}

.contact-subtitle .sp-only {
    display: none;
}

/* ==============================
   フォームカード
============================== */
.hp-form {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: 0;
    width: 100%;
    margin: 0 auto;
    animation: fadeInUp 0.6s ease-out;
    overflow: hidden;
}

/* ==============================
   フォーム行（横並びレイアウト）
============================== */
.form-row {
    display: flex;
    border-bottom: 1px solid var(--color-border);
}

.form-row:last-of-type {
    border-bottom: none;
}

/* ==============================
   ラベル部分
============================== */
.form-label {
    display: flex;
    align-items: flex-start;
    padding: 1.5rem 1.25rem;
    width: 200px;
    min-width: 200px;
    background: linear-gradient(135deg, #f0f9e8 0%, #e8f5e0 100%);
    border-right: 3px solid var(--color-green);
    position: relative;
}

.form-label::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--color-yellow);
}

.form-label-inner {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.form-label-text {
    font-weight: 700;
    font-size: 0.9375rem;
    color: var(--color-text);
    line-height: 1.4;
}

.badge-required {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--color-error);
    color: var(--color-white);
    font-size: 0.6875rem;
    font-weight: 700;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    line-height: 1;
}

/* ==============================
   入力部分
============================== */
.form-input {
    flex: 1;
    padding: 1.25rem 1.5rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.form-input input[type="text"],
.form-input input[type="email"],
.form-input input[type="tel"],
.form-input textarea,
.form-input select {
    width: 100%;
    padding: 0.875rem 1rem;
    font-size: 1rem;
    font-family: var(--font-main);
    color: var(--color-text);
    background-color: #f8f9fa;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-sm);
    outline: none;
    transition: all 0.25s ease;
}

.form-input input[type="text"]:hover,
.form-input input[type="email"]:hover,
.form-input input[type="tel"]:hover,
.form-input textarea:hover,
.form-input select:hover {
    border-color: var(--color-primary-light);
    background-color: #fff;
}

.form-input input[type="text"]:focus,
.form-input input[type="email"]:focus,
.form-input input[type="tel"]:focus,
.form-input textarea:focus,
.form-input select:focus {
    border-color: var(--color-primary);
    background-color: #fff;
    box-shadow: 0 0 0 4px rgba(78, 188, 212, 0.15);
}

.form-input textarea {
    min-height: 140px;
    resize: vertical;
    line-height: 1.6;
}

/* プレースホルダー */
.form-input input::placeholder,
.form-input textarea::placeholder {
    color: #aaa;
}

/* ==============================
   住所グループ
============================== */
.address-group {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.postal-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.postal-mark {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-text-light);
    flex-shrink: 0;
}

.postal-input {
    max-width: 180px;
}

.prefecture-select {
    max-width: 200px;
}

.address-detail {
    width: 100%;
}

/* 住所自動入力時のハイライト */
.address-highlight {
    background-color: #e8f5e8 !important;
    border-color: var(--color-green) !important;
    transition: all 0.3s ease;
}

/* ==============================
   お問い合わせ内容の補足テキスト
============================== */
.form-note {
    margin-top: 0.5rem;
    font-size: 0.8125rem;
    color: var(--color-text-light);
    line-height: 1.6;
}

/* ==============================
   プライバシーポリシー
============================== */
.privacy-section {
    padding: 1.5rem;
    border-top: 1px solid var(--color-border);
}

.privacy-area {
    width: 100%;
    height: 200px;
    overflow-y: auto;
    overflow-x: hidden;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-sm);
    background-color: #fafafa;
    padding: 1.5rem;
}

.privacy-area::-webkit-scrollbar {
    width: 8px;
}

.privacy-area::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}

.privacy-area::-webkit-scrollbar-thumb {
    background: var(--color-primary-light);
    border-radius: 4px;
}

.privacy-area::-webkit-scrollbar-thumb:hover {
    background: var(--color-primary);
}

.privacy-area h3 {
    text-align: center;
    font-weight: 800;
    font-size: 1.125rem;
    color: var(--color-text);
    padding-bottom: 1rem;
    margin-bottom: 1rem;
    border-bottom: 2px solid var(--color-border);
}

.privacy-area h4 {
    font-weight: 700;
    font-size: 0.9375rem;
    color: var(--color-primary);
    padding: 1.25rem 0 0.5rem 0;
    margin: 0;
}

.privacy-area p {
    font-size: 0.875rem;
    line-height: 1.7;
    color: var(--color-text-light);
    margin: 0.5rem 0;
}

/* ==============================
   同意チェックボックス（前回仕様）
============================== */
.new-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 1.5rem;
    padding: 1rem;
    background: linear-gradient(135deg, #fff5f5 0%, #fff8e8 100%);
    border-radius: var(--radius-sm);
    border: 2px solid #ffcccc;
    transition: all 0.3s ease;
}

/* チェック済み状態 */
.new-btn.is-checked {
    background: linear-gradient(135deg, #e8f5e8 0%, #f0fff0 100%);
    border-color: var(--color-green);
}

.new-btn .wpcf7-form-control-wrap {
    display: flex;
    align-items: center;
}

.new-btn .wpcf7-list-item {
    margin: 0;
}

.new-btn input[type="checkbox"] {
    width: 22px;
    height: 22px;
    margin-right: 0.75rem;
    accent-color: var(--color-green);
    cursor: pointer;
    transition: transform 0.2s ease;
}

.new-btn input[type="checkbox"]:hover {
    transform: scale(1.1);
}

.new-btn .wpcf7-list-item-label {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text);
    cursor: pointer;
    transition: color 0.3s ease;
}

.new-btn.is-checked .wpcf7-list-item-label {
    color: var(--color-green-dark);
}

/* ==============================
   ヒントテキスト
============================== */
.agreement-hint {
    text-align: center;
    font-size: 0.8125rem;
    color: var(--color-text-light);
    margin: -0.5rem 1.5rem 1rem 1.5rem;
    opacity: 1;
    transition: opacity 0.3s ease;
}

.agreement-hint.is-hidden {
    opacity: 0;
}

.agreement-hint .hint-icon {
    display: inline-block;
    margin-right: 0.25rem;
    animation: bounce 1s infinite;
}

@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-3px);
    }
}

/* ==============================
   送信ボタン
============================== */
.submit-section {
    padding: 0 1.5rem 1.5rem 1.5rem;
    text-align: center;
    background: linear-gradient(135deg, #f8fbf5 0%, #f0f9e8 100%);
}

.hp-form-btn {
    text-align: center;
    margin: 0;
}

.hp-form-btn input[type="submit"] {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    max-width: 320px;
    padding: 1.25rem 2rem;
    font-size: 1.125rem;
    font-weight: 800;
    font-family: var(--font-main);
    color: #999;
    background: linear-gradient(135deg, #d0d0d0, #b8b8b8);
    border: none;
    border-radius: 50px;
    cursor: not-allowed;
    transition: all 0.4s ease;
    box-shadow: none;
    position: relative;
    overflow: hidden;
    opacity: 0.6;
    pointer-events: none;
}

/* 有効状態のボタン */
.hp-form-btn input[type="submit"].is-active {
    color: var(--color-white);
    background: linear-gradient(135deg, var(--color-primary), #3aa8c0);
    cursor: pointer;
    box-shadow: 0 4px 16px rgba(78, 188, 212, 0.4);
    opacity: 1;
    pointer-events: auto;
    animation: buttonActivate 0.5s ease;
}

.hp-form-btn input[type="submit"].is-active:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(78, 188, 212, 0.5);
}

.hp-form-btn input[type="submit"].is-active:active {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(78, 188, 212, 0.4);
}

/* ボタン有効化アニメーション */
@keyframes buttonActivate {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

/* フェードインアニメーション */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ==============================
   バリデーションエラー
============================== */
.wpcf7-not-valid-tip {
    display: block;
    margin-top: 0.5rem;
    padding: 0.5rem 0.75rem;
    font-size: 0.8125rem;
    color: var(--color-error);
    background: #fff5f5;
    border-radius: 4px;
    border-left: 3px solid var(--color-error);
}

.wpcf7-response-output {
    margin: 1.5rem 1.5rem 0 1.5rem !important;
    padding: 1rem 1.25rem !important;
    border-radius: var(--radius-sm) !important;
    font-size: 0.9375rem;
    text-align: center;
}

.wpcf7-mail-sent-ok {
    background: #e8f5e8 !important;
    border-color: var(--color-green) !important;
    color: var(--color-green-dark) !important;
}

.wpcf7-validation-errors {
    background: #fff5f5 !important;
    border-color: var(--color-error) !important;
    color: var(--color-error) !important;
}

/* ==============================
   レスポンシブ（タブレット）
============================== */
@media (max-width: 768px) {
    .contact-section {
        padding: 3rem 1rem;
    }

    .contact-title {
        font-size: 1.625rem;
    }

    .contact-subtitle {
        font-size: 0.9375rem;
    }

    .contact-subtitle .sp-only {
        display: inline;
    }

    /* フォーム行を縦並びに */
    .form-row {
        flex-direction: column;
    }

    .form-label {
        width: 100%;
        min-width: 100%;
        padding: 1rem 1.25rem;
        border-right: none;
        border-bottom: 2px solid var(--color-green);
    }

    .form-input {
        padding: 1rem 1.25rem;
    }

    .postal-row {
        flex-wrap: wrap;
    }

    .postal-input {
        max-width: 150px;
    }

    .new-btn {
        margin: 1.5rem 1rem;
    }

    .agreement-hint {
        margin: -0.5rem 1rem 1rem 1rem;
    }

    .submit-section {
        padding: 0 1rem 1.5rem 1rem;
    }

    .hp-form-btn input[type="submit"],
    .hp-form-btn input[type="submit"].is-active {
        width: 100%;
        max-width: none;
        padding: 1.125rem 1.5rem;
        font-size: 1rem;
        min-height: 54px;
    }
}

/* ==============================
   レスポンシブ（640px）
============================== */
@media (max-width: 640px) {
    .contact-section {
        padding: 2.5rem 0.875rem;
    }

    .contact-header {
        margin-bottom: 2.5rem;
    }

    .contact-title {
        font-size: 1.5rem;
    }

    .contact-subtitle {
        font-size: 0.875rem;
        margin-top: 1rem;
    }

    .form-label {
        padding: 0.875rem 1rem;
    }

    .form-label-text {
        font-size: 0.875rem;
    }

    .form-input {
        padding: 0.875rem 1rem;
    }

    .form-input input[type="text"],
    .form-input input[type="email"],
    .form-input input[type="tel"],
    .form-input textarea,
    .form-input select {
        padding: 0.75rem 0.875rem;
        font-size: 0.9375rem;
    }

    .form-input textarea {
        min-height: 120px;
    }

    .form-note {
        font-size: 0.75rem;
    }

    .privacy-section {
        padding: 1.125rem;
    }

    .privacy-area {
        height: 170px;
        padding: 1.125rem;
    }

    .privacy-area h3 {
        font-size: 1rem;
    }

    .privacy-area h4 {
        font-size: 0.875rem;
    }

    .privacy-area p {
        font-size: 0.8125rem;
    }

    .new-btn {
        margin: 1.25rem 0.875rem;
        padding: 0.875rem;
    }

    .new-btn input[type="checkbox"] {
        width: 20px;
        height: 20px;
    }

    .new-btn .wpcf7-list-item-label {
        font-size: 0.9375rem;
    }

    .agreement-hint {
        font-size: 0.75rem;
        margin: -0.25rem 0.875rem 1rem 0.875rem;
    }

    .submit-section {
        padding: 0 0.875rem 1.25rem 0.875rem;
    }

    .hp-form-btn input[type="submit"],
    .hp-form-btn input[type="submit"].is-active {
        padding: 1rem 1.25rem;
        font-size: 0.9375rem;
        min-height: 50px;
    }

    .wpcf7-response-output {
        margin: 1rem 1rem 0 1rem !important;
        padding: 0.875rem 1rem !important;
        font-size: 0.875rem;
    }

    .wpcf7-not-valid-tip {
        font-size: 0.75rem;
        padding: 0.4rem 0.625rem;
    }
}

/* ==============================
   レスポンシブ（スマホ）
============================== */
@media (max-width: 480px) {
    .contact-section {
        padding: 2rem 0.75rem;
    }

    .contact-title {
        font-size: 1.375rem;
    }

    .form-label {
        padding: 0.875rem 1rem;
    }

    .form-label-text {
        font-size: 0.875rem;
    }

    .form-input {
        padding: 0.875rem 1rem;
    }

    .form-input input[type="text"],
    .form-input input[type="email"],
    .form-input input[type="tel"],
    .form-input textarea,
    .form-input select {
        padding: 0.75rem 0.875rem;
        font-size: 0.9375rem;
    }

    .privacy-section {
        padding: 1rem;
    }

    .privacy-area {
        height: 160px;
        padding: 1rem;
    }

    .new-btn {
        margin: 1rem 0.75rem;
        padding: 0.875rem;
    }

    .new-btn input[type="checkbox"] {
        width: 20px;
        height: 20px;
    }

    .new-btn .wpcf7-list-item-label {
        font-size: 0.9375rem;
    }

    .agreement-hint {
        font-size: 0.75rem;
        margin: -0.25rem 0.75rem 1rem 0.75rem;
    }

    .submit-section {
        padding: 0 0.75rem 1rem 0.75rem;
    }
}

/* ==============================
   レスポンシブ（375px）
============================== */
@media (max-width: 375px) {
    .contact-section {
        padding: 1.5rem 0.5rem;
    }

    .contact-header {
        margin-bottom: 2rem;
    }

    .contact-title {
        font-size: 1.2rem;
    }

    .contact-title::after {
        width: 50px;
        height: 3px;
        bottom: -6px;
    }

    .contact-subtitle {
        font-size: 0.8125rem;
        margin-top: 0.875rem;
    }

    .form-label {
        padding: 0.75rem 0.875rem;
    }

    .form-label-text {
        font-size: 0.8125rem;
    }

    .badge-required {
        font-size: 0.625rem;
        padding: 0.15rem 0.375rem;
    }

    .form-input {
        padding: 0.75rem 0.875rem;
    }

    .form-input input[type="text"],
    .form-input input[type="email"],
    .form-input input[type="tel"],
    .form-input textarea,
    .form-input select {
        padding: 0.625rem 0.75rem;
        font-size: 0.875rem;
    }

    .form-input textarea {
        min-height: 110px;
    }

    .postal-input {
        max-width: 130px;
    }

    .prefecture-select {
        max-width: 160px;
    }

    .form-note {
        font-size: 0.6875rem;
    }

    .privacy-section {
        padding: 0.75rem;
    }

    .privacy-area {
        height: 140px;
        padding: 0.875rem;
    }

    .privacy-area h3 {
        font-size: 0.9375rem;
        padding-bottom: 0.75rem;
        margin-bottom: 0.75rem;
    }

    .privacy-area h4 {
        font-size: 0.8125rem;
        padding: 1rem 0 0.375rem 0;
    }

    .privacy-area p {
        font-size: 0.75rem;
        line-height: 1.6;
    }

    .new-btn {
        margin: 0.875rem 0.5rem;
        padding: 0.75rem;
    }

    .new-btn input[type="checkbox"] {
        width: 18px;
        height: 18px;
        margin-right: 0.5rem;
    }

    .new-btn .wpcf7-list-item-label {
        font-size: 0.875rem;
    }

    .agreement-hint {
        font-size: 0.6875rem;
        margin: -0.25rem 0.5rem 0.75rem 0.5rem;
    }

    .submit-section {
        padding: 0 0.5rem 0.875rem 0.5rem;
    }

    .hp-form-btn input[type="submit"],
    .hp-form-btn input[type="submit"].is-active {
        padding: 0.875rem 1rem;
        font-size: 0.875rem;
        min-height: 48px;
    }

    .wpcf7-not-valid-tip {
        font-size: 0.6875rem;
        padding: 0.375rem 0.5rem;
    }

    .wpcf7-response-output {
        margin: 0.75rem 0.5rem 0 0.5rem !important;
        padding: 0.75rem !important;
        font-size: 0.8125rem;
    }
}