:root {
    --se-orange: #ff6600;
    --ink: #f5f5f5;
    --muted: #aaaaaa;
    --card: #101010;
}

/* 全体 */
body {
    background: #000;
    color: var(--ink);
}

.contact-page {
    min-height: 100vh;
}

/* 共通セクション */
.section-block {
    max-width: 880px;
    margin: 0 auto;
    padding: 80px 20px;
}

/* ===== HERO ===== */

.contact-hero {
    padding: 120px 20px 80px;
    background: radial-gradient(circle at top, #202020, #000000);
    border-bottom: 1px solid rgba(255, 102, 0, 0.25);
}

.contact-hero-inner {
    max-width: 960px;
    margin: 0 auto;
    text-align: center;
}

.hero-eyebrow {
    font-family: "Orbitron", system-ui, sans-serif;
    font-size: 0.8rem;
    letter-spacing: 0.35em;
    color: var(--muted);
    margin-bottom: 10px;
}

.contact-hero h1 {
    font-family: "Orbitron", system-ui, sans-serif;
    font-size: clamp(32px, 6vw, 44px);
    letter-spacing: 0.18em;
    margin-top: 10px;
    margin-bottom: 18px;
    color: var(--se-orange);
}

.hero-lead {
    font-size: 1.02rem;
    color: var(--muted);
}

/* ===== INTRO TEXT ===== */

.contact-intro {
    margin-bottom: 26px;
    font-size: 0.98rem;
    line-height: 1.9;
    color: var(--ink);
}

.contact-note {
    font-size: 0.9rem;
    color: var(--muted);
    margin-top: 6px;
}

/* ===== FORM ===== */

.contact-form {
    background: radial-gradient(circle at top left, #1b1b1b, var(--card));
    padding: 26px 24px 28px;
    border-radius: 14px;
    border: 1px solid #262626;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.9);
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.form-field {
    display: flex;
    flex-direction: column;
}

.contact-form label {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--ink);
}

.required {
    color: var(--se-orange);
    font-size: 0.85em;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 11px 12px;
    border-radius: 8px;
    border: 1px solid #343434;
    background: #050505;
    color: var(--ink);
    font-size: 0.95rem;
    box-sizing: border-box;
    transition:
        border-color 0.2s ease,
        box-shadow 0.2s ease,
        background 0.2s ease;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
    color: #666;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--se-orange);
    box-shadow: 0 0 0 1px rgba(255, 102, 0, 0.6);
    background: #080808;
}

/* 送信ボタン */

.contact-submit {
    margin-top: 8px;
    align-self: flex-end;
    padding: 12px 26px;
    border-radius: 9999px;
    border: none;
    font-size: 0.95rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    cursor: pointer;
    background: var(--se-orange);
    color: #fff;
    box-shadow: 0 10px 26px rgba(255, 102, 0, 0.4);
    transition:
        background 0.25s ease,
        transform 0.2s ease,
        box-shadow 0.25s ease;
}

.contact-submit:hover {
    background: #ff7a1f;
    transform: translateY(-2px);
    box-shadow: 0 16px 36px rgba(255, 122, 31, 0.55);
}

.contact-submit:active {
    transform: translateY(0);
    box-shadow: 0 8px 20px rgba(255, 102, 0, 0.5);
}

/* ===== フェードアップ ===== */

.fade-up {
    opacity: 0;
    transform: translateY(30px);
    filter: blur(4px);
    transition:
        opacity 0.7s ease-out,
        transform 0.7s ease-out,
        filter 0.7s ease-out;
}

.fade-up.is-visible {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0);
}

/* ===== Responsive ===== */

@media (max-width: 768px) {
    .contact-hero {
        padding-top: 100px;
    }

    .section-block {
        padding: 60px 16px;
    }

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

    .contact-submit {
        width: 100%;
        justify-content: center;
        text-align: center;
    }
}