/* --- [01. 基礎設定] 背景ベージュ(#f5f5f0)と文字色(#2d2d2d)を固定 --- */
body {
    margin: 0; padding: 0;
    background-color: #f5f5f0;
    color: #2d2d2d;
    font-family: 'Inter', 'Noto Sans JP', sans-serif;
    position: relative;
    overflow-x: hidden;
    -webkit-tap-highlight-color: transparent;
    scroll-behavior: smooth;
}

/* --- [02. 質感ノイズ] --- */
body::before {
    content: "";
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
    opacity: 0.04;
    pointer-events: none;
    z-index: 9998;
}

/* --- [03. パンくずリスト] --- */
.breadcrumb-container {
    position: relative;
    padding: 85px 25px 20px;
    z-index: 10;
}
.breadcrumbs {
    list-style: none;
    display: flex;
    align-items: center;
    padding: 0;
    margin: 0;
    font-size: 10px;
    letter-spacing: 0.05em;
    overflow-x: auto;
    white-space: nowrap;
}
.breadcrumbs li:not(:last-child)::after {
    content: "/";
    margin: 0 10px;
    color: #ccc;
}
.breadcrumbs a {
    text-decoration: none;
    color: #2d2d2d;
    opacity: 0.5;
}

/* --- [04. ページヘッダー] --- */
.page-header {
    padding: 20px 25px 40px;
    text-align: center;
    position: relative;
}
.page-title {
    font-family: 'Noto Sans JP', sans-serif;
    font-weight: 550;
    font-size: 1.375rem;
    letter-spacing: 0.1rem;
    margin: 0;
    color: #1a2a40;
    line-height: 1.6;
}
.page-title span {
    display: block;
    font-size: 10px;
    font-family: 'Inter', sans-serif;
    letter-spacing: 0.3em;
    margin-top: 10px;
    opacity: 0.6;
}

/* --- [05. フォーム用CSS] --- */
.main-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 0 100px;
}

.form-inner {
    padding: 0 25px;
}

.form-note {
    font-size: 14px;
    line-height: 1.6;
    color: #2d2d2d;
    margin-bottom: 25px;
    font-weight: 500;
}

.input-group {
    position: relative;
    margin-bottom: 25px;
}

.input-label {
    display: block;
    font-size: 16px;
    color: #2d2d2d;
    margin-bottom: 5px;
    font-weight: 700;
}

.required-tag {
    color: #cc3333;
    font-weight: 500;
    font-size: 13px;
    margin-left: 8px;
}

.form-input {
    width: 100%;
    height: 58px;
    background-color: #ffffff;
    border: 1px solid #a0a1a1;
    box-sizing: border-box;
    padding: 0 15px;
    font-size: 16px;
    color: #2d2d2d;
    border-radius: 6px;
    outline: none;
    -webkit-appearance: none;
    appearance: none;
}

textarea.form-input {
    height: 200px;
    padding: 15px;
    line-height: 1.6;
    resize: vertical;
}

.form-input::placeholder {
    color: #a0a1a1;
    font-size: 14px;
}

select.form-input {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%232d2d2d' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'%3E%3C/path%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 8px center;
    background-size: 20px;
    padding-right: 28px;
    padding-left: 10px;
}

/* --- ラジオボタン用のスタイル --- */
.radio-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 10px;
    padding-left: 5px;
}
.radio-label {
    display: flex;
    align-items: center;
    font-size: 15px;
    cursor: pointer;
    color: #2d2d2d;
}
.radio-label input[type="radio"] {
    margin-right: 10px;
    width: 20px;
    height: 20px;
    cursor: pointer;
    accent-color: #1a2a40;
}

.flex-group {
    display: flex;
    gap: 10px;
}
.flex-group .form-input {
    flex: 1;
}
.zip-flex {
    align-items: center;
}
.zip-flex .form-input {
    flex: none;
    width: 160px;
    max-width: 45%;
}

.zip-link {
    display: inline-block;
    background: none;
    border: none;
    padding: 0;
    font-family: inherit;
    color: #189bbc;
    text-decoration: underline;
    font-size: 14px;
    cursor: pointer;
}

.label-note {
    font-size: 12px;
    font-weight: normal;
    color: #888;
    margin-left: 8px;
}

/* お問合せ対応時間の案内板スタイル */
.support-info {
    background-color: #ffffff;
    border: 1px solid #e0e0e0;
    padding: 20px;
    border-radius: 8px;
    margin: 40px 0 40px;
    font-size: 13px;
    line-height: 1.6;
    color: #555;
}
.support-info b {
    color: #1a2a40;
    display: block;
    margin-bottom: 5px;
    font-size: 14px;
}

.check-label {
    display: flex;
    align-items: center;
    font-size: 15px;
    cursor: pointer;
}
.check-label input {
    margin-right: 8px;
    width: 18px;
    height: 18px;
}
.policy-link {
    color: #2d2d2d;
    text-decoration: underline;
}

.btn-container {
    padding: 0 35px;
    margin-top: 20px;
    display: flex;
    flex-direction: column;
    gap: 15px;
}
.form-btn {
    width: 100%;
    max-width: 320px;
    margin-left: auto;
    margin-right: auto;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    font-size: 16px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: opacity 0.3s;
    box-sizing: border-box;
    border-radius: 30px;
}
.form-btn:hover { opacity: 0.8; }

.btn-navy {
    background-color: #1a2a40;
    color: #ffffff;
}
.btn-white { background-color: #ffffff; color: #1a2a40; border: 1px solid #1a2a40; }


/* =============================================
   PC レスポンシブ (768px)
   ============================================= */
@media (min-width: 768px) {
    .breadcrumb-container { 
        max-width: 960px;
        margin: 0 auto;
        padding: 90px 40px 20px; 
    }
    .breadcrumbs { font-size: 12px; }

    .page-header { padding: 20px 40px 40px; }
    .page-title { font-size: 1.8rem; }
    .page-title span { font-size: 12px; }

    .main-content { max-width: 860px; }
    .section-title { font-size: 1.375rem; margin: 50px 0 25px; }
    .form-inner { padding: 0 40px; }
    .form-note { font-size: 15px; }

    .input-label { font-size: 17px; }

    .radio-group { flex-direction: row; gap: 30px; }

    .address-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        column-gap: 15px;
    }

    .support-info { font-size: 14px; }
    .support-info b { font-size: 15px; }

    .btn-container { padding: 0; max-width: 500px; margin-left: auto; margin-right: auto; }
}

/* =============================================
   PC レスポンシブ (1024px)
   ============================================= */
@media (min-width: 1024px) {
    .breadcrumb-container { padding: 90px 60px 20px; }

    .page-header { padding: 20px 60px 40px; }

    .form-inner { padding: 0 60px; }
}