/* ========================================
   株式会社アール土木 - contact.css
   お問い合わせページ専用
   ※ .page-hero は全ページ共通のため common.css に定義
======================================== */

/* ========================================
   お問い合わせ（お急ぎの方・メールフォームを同一セクション内で縦積み）
======================================== */
.contact {
    background-color: var(--color-bg-gray);
    background-image: linear-gradient(rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.1)), url('../images/bg-03.webp');
    background-size: 300px auto;
    background-repeat: repeat;
    background-position: center;
    text-align: center;
}

/* 2つのinnerを縦積みにし、間隔をベース3rem / 768以上4remに */
.contact__wrap {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

@media (min-width: 768px) {
    .contact__wrap {
        gap: 4rem;
    }
}

/* 内側カード（白面・枠なし・角丸なし・影なし）
   上下パディングは左上ウォーターマークと見出しが重ならないよう一段広めに確保 */
.contact-direct__inner {
    position: relative;
    z-index: 1;
    overflow: hidden;
    width: 100%;
    max-width: var(--w-xs);
    margin-inline: auto;
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    padding-top: 4.5rem;
    padding-bottom: 2.25rem;
    padding-left: 1.25rem;
    padding-right: 1.25rem;
}

/* 左上の装飾英字（kurayoshidenko流：大きく・薄く・左上） */
.contact-direct__deco-en,
.contact-form-section__deco-en {
    position: absolute;
    top: 2.25rem;
    left: 1.25rem;
    transform: translateY(-50%);
    z-index: 0;
    font-family: var(--font-en);
    font-size: 1.5rem;
    line-height: 1;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-primary);
    opacity: 0.12;
    pointer-events: none;
    user-select: none;
}

/* inner左上角の赤い直角三角形（コーナー装飾）
   サイズ：ベース16px / 768以上20px / 1024以上24px */
.contact-direct__inner::before,
.contact-form-section__inner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 16px;
    height: 16px;
    background-color: var(--color-primary);
    clip-path: polygon(0 0, 100% 0, 0 100%);
    pointer-events: none;
}

@media (min-width: 768px) {
    .contact-direct__inner::before,
    .contact-form-section__inner::before {
        width: 20px;
        height: 20px;
    }
}

@media (min-width: 1024px) {
    .contact-direct__inner::before,
    .contact-form-section__inner::before {
        width: 24px;
        height: 24px;
    }
}

/* 左右パディングの段階変動（両inner共通）と、deco-enのleftを同値で揃える
   1.25rem → 475以上1.5rem → 576以上2rem → 1024以上3rem */
@media (min-width: 475px) {
    .contact-direct__inner,
    .contact-form-section__inner {
        padding-left: 1.5rem;
        padding-right: 1.5rem;
    }

    .contact-direct__deco-en,
    .contact-form-section__deco-en {
        left: 1.5rem;
    }
}

@media (min-width: 576px) {
    .contact-direct__inner,
    .contact-form-section__inner {
        padding-left: 2rem;
        padding-right: 2rem;
    }

    .contact-direct__deco-en,
    .contact-form-section__deco-en {
        left: 2rem;
    }
}

@media (min-width: 1024px) {
    .contact-direct__inner,
    .contact-form-section__inner {
        padding-left: 3rem;
        padding-right: 3rem;
    }

    .contact-direct__deco-en,
    .contact-form-section__deco-en {
        left: 3rem;
    }
}

/* 日本語見出し：上下二重線（ワインレッド）
   フォントはしっぽり明朝（Shippori Mincho）・weight 600 */
.contact-direct__title,
.contact-form-section__title {
    position: relative;
    display: inline-block;
    font-family: var(--font-mincho);
    font-weight: 600;
    padding: 0.75rem 0.75rem;
}

.contact-direct__title::before,
.contact-direct__title::after,
.contact-form-section__title::before,
.contact-form-section__title::after {
    content: '';
    position: absolute;
    left: 0;
    width: 100%;
    height: 5px;
    background-image: linear-gradient(to bottom,
        var(--color-primary) 0 1px,
        transparent 1px 4px,
        var(--color-primary) 4px 5px);
}

.contact-direct__title::before,
.contact-form-section__title::before {
    top: 0;
}

.contact-direct__title::after,
.contact-form-section__title::after {
    bottom: 0;
}

@media (min-width: 768px) {
    .contact-direct__inner {
        max-width: var(--w-md);
    }
}

@media (min-width: 1024px) {
    .contact-direct__inner {
        max-width: var(--w-lg);
    }
}

.contact-direct__lead {
    color: var(--color-text);
    margin: 0 0 var(--spacing-md);
}

/* 見出しブロックの下マージン（両inner共通） */
.contact .sec-heading {
    margin-bottom: 2rem;
}

.contact-direct__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}

.contact-direct__card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem 1.5rem;
    background-color: var(--color-bg-light);
    border: 1px solid var(--color-border);
    text-align: left;
    transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.contact-direct__card:hover {
    border-color: var(--color-primary);
    transform: translateY(-3px);
}

.contact-direct__icon {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    background: var(--color-primary);
    color: var(--color-white);
    font-size: 1.375rem;
}

.contact-direct__body {
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
}

.contact-direct__label {
    font-size: 0.8125rem;
    color: var(--color-primary-light);
}

.contact-direct__main {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-title);
    letter-spacing: 0.02em;
}

.contact-direct__sub {
    font-size: 0.75rem;
    color: var(--color-text-light);
}

@media (min-width: 1024px) {
    .contact-direct__main {
        font-size: 1.125rem;
    }
}

@media (min-width: 768px) {
    .contact-direct__grid {
        grid-template-columns: 1fr 1fr;
    }
}

/* ========================================
   メールフォーム
======================================== */
/* 内側カード（白面・枠なし・角丸なし・影なし）
   上下パディングは左上ウォーターマークと見出しが重ならないよう一段広めに確保
   max-widthは上のinnerと揃えて 576→720→860 と段階変動 */
.contact-form-section__inner {
    position: relative;
    z-index: 1;
    overflow: hidden;
    width: 100%;
    max-width: var(--w-xs);
    margin-inline: auto;
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    padding-top: 4.5rem;
    padding-bottom: 2.25rem;
    padding-left: 1.25rem;
    padding-right: 1.25rem;
}

/* formのinnerベース定義はこの上（ファイル後方）にあるため、前方の共通
   左右パディングメディアクエリを上書きしてしまうので、form側だけ
   同じ段階指定をここ（後方）で再定義する
   1.25rem → 475以上1.5rem → 576以上2rem → 1024以上3rem */
@media (min-width: 475px) {
    .contact-form-section__inner {
        padding-left: 1.5rem;
        padding-right: 1.5rem;
    }
}

@media (min-width: 576px) {
    .contact-form-section__inner {
        padding-left: 2rem;
        padding-right: 2rem;
    }
}

@media (min-width: 1024px) {
    .contact-form-section__inner {
        padding-left: 3rem;
        padding-right: 3rem;
    }
}

/* 両inner共通：768以上の上下パディング・ウォーターマークサイズ
   ※ .contact-form-section__inner のベース定義より後方に置き、ソース順で確実に上書きする */
@media (min-width: 768px) {
    .contact-direct__inner,
    .contact-form-section__inner {
        padding-top: 5.5rem;
        padding-bottom: 5.5rem;
    }

    /* innerの下パディングだけ上の半分に（両inner共通） */
    .contact-direct__inner,
    .contact-form-section__inner {
        padding-bottom: 2.75rem;
    }

    /* max-width：上のinnerと揃えて768以上は720 */
    .contact-form-section__inner {
        max-width: var(--w-md);
    }

    .contact-direct__deco-en,
    .contact-form-section__deco-en {
        top: 2.75rem;
        font-size: 2.75rem;
    }
}

@media (min-width: 1024px) {
    /* max-width：上のinnerと揃えて1024以上は860 */
    .contact-form-section__inner {
        max-width: var(--w-lg);
    }
}

.contact-form-section__lead {
    text-align: left;
    color: var(--color-text);
    line-height: 1.9;
    margin: 0 0 var(--spacing-lg);
}

@media (min-width: 576px) {
    .contact-form-section__lead {
        text-align: center;
    }
}

/* フォームとアコーディオンを包む外枠（内側カード上なので枠・影なしで一体化） */
.contact-form-group {
    background-color: transparent;
}

.contact-form {
    background-color: transparent;
    padding: 0;
    text-align: left;
}

.form-group {
    margin-bottom: 1.75rem;
}

/* 768px以上：ラベル左・入力右の横並び（h-sousetu方式）
   .contact-form を grid（max-content 1fr）にし、.form-group を
   display:contents で透過させて、全ラベルを左列・入力を右列に揃える。
   ラベル列は「最長ラベル幅」に自動で揃う。 */
@media (min-width: 768px) {
    .contact-form {
        display: grid;
        grid-template-columns: max-content 1fr;
        align-items: start;
        column-gap: 1.5rem;
        row-gap: 1.75rem;
    }

    /* form-group を透過：中身（ラベル/入力/エラー）を form の grid セルに直接並べる */
    .contact-form .form-group {
        display: contents;
    }

    .contact-form .form-label-wrapper {
        grid-column: 1;
        margin-bottom: 0;
        white-space: nowrap;
    }

    .contact-form .form-input,
    .contact-form .form-textarea,
    .contact-form .form-radio-group {
        grid-column: 2;
        min-width: 0;
    }

    /* エラー文（JSが追加）：右列（入力欄の下）に配置 */
    .contact-form .form-error-msg {
        grid-column: 2;
        margin-top: -1.35rem;
    }

    /* honeypot（非表示）・送信ボタンは全幅セルに */
    .contact-form .form-honeypot,
    .contact-form .form-submit {
        grid-column: 1 / -1;
    }
}

.form-label-wrapper {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    margin-bottom: 0.625rem;
}

.form-label {
    font-size: 0.9375rem;
    font-weight: 700;
    color: var(--color-title);
}

.form-label__badge {
    font-size: 0.6875rem;
    font-weight: 700;
    color: var(--color-white);
    padding: 0.1875rem 0.5rem;
    letter-spacing: 0.04em;
}

.form-label__badge--required {
    background-color: var(--color-primary);
}

.form-label__badge--optional {
    background-color: var(--color-text-light);
}

.form-radio-group {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.form-radio-label {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1rem 0.625rem 0.875rem;
    border: 1px solid var(--color-border);
    cursor: pointer;
    transition: border-color var(--transition), background-color var(--transition);
}

.form-radio-label:hover {
    border-color: var(--color-primary-light);
}

.form-radio {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.form-radio-custom {
    position: relative;
    flex-shrink: 0;
    width: 18px;
    height: 18px;
    border: 2px solid var(--color-border);
    border-radius: 50%;
    transition: border-color var(--transition);
}

.form-radio-custom::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--color-primary);
    transform: translate(-50%, -50%) scale(0);
    transition: transform var(--transition);
}

.form-radio:checked + .form-radio-custom {
    border-color: var(--color-primary);
}

.form-radio:checked + .form-radio-custom::after {
    transform: translate(-50%, -50%) scale(1);
}

.form-radio:checked ~ .form-radio-text {
    color: var(--color-primary);
    font-weight: 700;
}

.form-radio:focus-visible + .form-radio-custom {
    outline: 2px solid var(--color-primary-light);
    outline-offset: 2px;
}

.form-radio-text {
    font-size: 0.9375rem;
    color: var(--color-text);
    transition: color var(--transition);
}

.form-input,
.form-textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    font-family: inherit;
    font-size: 1rem;
    color: var(--color-text);
    background-color: var(--color-bg-light);
    border: 1px solid var(--color-border);
    transition: border-color var(--transition), background-color var(--transition);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: #B0B0B4;
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    background-color: var(--color-white);
}

.form-textarea {
    resize: none;
    min-height: 160px;
    line-height: 1.8;
}

.form-input.is-error,
.form-textarea.is-error {
    border-color: #D64545;
    background-color: #FDF3F3;
}

.form-error-msg {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.8125rem;
    color: var(--color-primary);
    margin-top: 0.375rem;
}

.form-error-msg i {
    font-size: 0.875rem;
    flex-shrink: 0;
}

/* honeypot：非表示 */
.form-honeypot {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.form-submit {
    text-align: center;
    margin-top: 1rem;
}

@media (min-width: 768px) {
    .form-submit {
        text-align: right;
    }
}

.btn-submit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.625rem;
    padding: 0.875rem 2rem;
    font-size: 0.95rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    color: var(--color-white);
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary), var(--color-primary-dark));
    background-size: 160% 160%;
    background-position: 0% 50%;
    transition: background-position 0.4s ease, transform var(--transition);
}

.btn-submit:hover {
    background-position: 100% 50%;
    transform: translateY(-2px);
}

.btn-submit__icon {
    width: 1.25rem;
    height: 1.25rem;
    flex-shrink: 0;
}

/* ========================================
   個人情報保護方針アコーディオン（フォームの一部：上ボーダーで区切る）
======================================== */
.privacy-policy-accordion {
    margin-top: 2.5rem;
    border: 1px solid var(--color-border);
}

.privacy-policy-accordion__header {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    background-color: var(--color-bg-light);
    border: none;
    cursor: pointer;
    font-family: inherit;
    transition: background-color var(--transition);
}

.privacy-policy-accordion__header:hover {
    background-color: var(--color-bg-gray);
}

.privacy-policy-accordion__title {
    font-size: 0.9375rem;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: 0.06em;
}

/* +/−アイコン */
.privacy-policy-accordion__icon {
    width: 18px;
    height: 18px;
    position: relative;
    flex-shrink: 0;
}

.privacy-policy-accordion__icon::before,
.privacy-policy-accordion__icon::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    background-color: var(--color-primary);
    transition: transform var(--transition), opacity var(--transition);
}

.privacy-policy-accordion__icon::before {
    width: 2px;
    height: 14px;
    transform: translate(-50%, -50%);
}

.privacy-policy-accordion__icon::after {
    width: 14px;
    height: 2px;
    transform: translate(-50%, -50%);
}

.privacy-policy-accordion__header[aria-expanded='true'] .privacy-policy-accordion__icon::before {
    transform: translate(-50%, -50%) scaleY(0);
    opacity: 0;
}

.privacy-policy-accordion__content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}

.privacy-policy-accordion__content[hidden] {
    display: block;
    max-height: 0;
}

.privacy-policy-accordion__content:not([hidden]) {
    max-height: 280px;
    overflow-y: auto;
}

.privacy-policy-accordion__text {
    padding: 1.5rem;
    background-color: var(--color-white);
    font-size: 0.8125rem;
    line-height: 1.85;
    color: var(--color-text);
    letter-spacing: 0.04em;
    text-align: left;
}

.privacy-policy-accordion__text p {
    margin: 0 0 0.75rem;
}

.privacy-policy-accordion__text ul {
    list-style: disc;
    padding-left: 1.5rem;
    margin: 0 0 0.75rem;
}

.privacy-policy-accordion__text ul li {
    margin-bottom: 0.25rem;
}

.privacy-policy-accordion__text strong {
    color: var(--color-primary);
}

/* ========================================
   contactセクションの上下パディング
   トップのintroセクションと同じ段階指定
   ベース4.5rem / 576以上5.5rem / 1200以上6rem / 1440以上7rem */
.contact {
    padding-top: 4.5rem;
    padding-bottom: 4.5rem;
}

@media (min-width: 576px) {
    .contact {
        padding-top: 5.5rem;
        padding-bottom: 5.5rem;
    }
}

@media (min-width: 1200px) {
    .contact {
        padding-top: 6rem;
        padding-bottom: 6rem;
    }
}

@media (min-width: 1440px) {
    .contact {
        padding-top: 7rem;
        padding-bottom: 7rem;
    }
}

/* ========================================
   送信完了ポップアップ（thanks.php）
======================================== */
.form-success-popup {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.form-success-popup.is-active {
    opacity: 1;
    visibility: visible;
}

.form-success-popup__overlay {
    position: absolute;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.5);
}

.form-success-popup__content {
    position: relative;
    background-color: var(--color-white);
    border-radius: 0;
    padding: 2.5rem 2rem;
    width: calc(100% - 3rem);
    max-width: 420px;
    text-align: center;
    box-shadow: var(--shadow-lg);
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.form-success-popup.is-active .form-success-popup__content {
    transform: scale(1);
}

.form-success-popup__icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 1.25rem;
    border-radius: 50%;
    background-color: var(--color-primary);
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
}

.form-success-popup__title {
    font-family: var(--font-mincho);
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--color-title);
    margin: 0 0 0.75rem;
}

.form-success-popup__message {
    color: var(--color-text);
    font-size: 0.9375rem;
    line-height: 1.8;
    margin: 0 0 1.5rem;
}

.form-success-popup__button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 2rem;
    background-color: var(--color-primary);
    color: var(--color-white);
    font-weight: 700;
    letter-spacing: 0.06em;
    border-radius: 0;
    transition: background-color var(--transition), transform var(--transition);
}

.form-success-popup__button:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-2px);
}