/* ========================================
   A-RISE Renovation - Global Styles
   ======================================== */

/* ベース設定 */
body {
    font-family: 'Noto Sans JP', sans-serif;
    color: #333;
    -webkit-font-smoothing: antialiased;
    background-color: #202020;
    color: #fff;
    overflow-x: hidden;
    font-weight: 300;
}

/* ========================================
   ヒーローエリア
   ======================================== */
.hero-bg {
    background-image: url('../img/top-02.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    animation: heroZoom 8s ease-out forwards;
}

/* Hero 背景ズームイン */
@keyframes heroZoom {
    0%   { background-size: 120%; opacity: 0; }
    20%  { opacity: 1; }
    100% { background-size: 105%; }
}

@keyframes heroZoomMobile {
    0%   { transform: scale(1.1); opacity: 0; }
    20%  { opacity: 1; }
    100% { transform: scale(1); opacity: 1; }
}

/* Hero オーバーレイ フェードイン */
.hero-overlay-fade {
    animation: fadeIn 1.8s ease-out forwards;
}

/* ロゴ: 下からフェードイン */
.hero-logo-in {
    opacity: 0;
    animation: slideUpFade 1.2s ease-out 0.8s forwards;
}

/* キャッチコピー: 右からフェードイン（各行ずらし） */
.hero-catch-in-1 {
    opacity: 0;
    animation: slideLeftFade 0.9s ease-out 1.2s forwards;
}
.hero-catch-in-2 {
    opacity: 0;
    animation: slideLeftFade 0.9s ease-out 1.5s forwards;
}
.hero-catch-in-3 {
    opacity: 0;
    animation: slideLeftFade 0.9s ease-out 1.8s forwards;
}
.hero-line-in {
    opacity: 0;
    animation: fadeIn 1s ease-out 2s forwards;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}
@keyframes slideUpFade {
    from { opacity: 0; transform: translateY(24px); }
    to   { opacity: 1; transform: translateY(0); }
}
@keyframes slideLeftFade {
    from { opacity: 0; transform: translateX(20px); }
    to   { opacity: 1; transform: translateX(0); }
}

/* ページヘッダー共通（下層ページ用） */
.page-hero {
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    position: relative;
}

/* ========================================
   ホバーエフェクト
   ======================================== */
.hover-lift {
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.hover-lift:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px -10px rgba(0, 0, 0, 0.15);
}

/* ========================================
   スクロールバー
   ======================================== */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: #1a1a1a;
}
::-webkit-scrollbar-thumb {
    background: #444;
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: #666;
}

/* 横スライダー用スクロールバー非表示 */
.hide-scrollbar::-webkit-scrollbar {
    display: none;
}
.hide-scrollbar {
    -ms-overflow-style: none;
    scrollbar-width: none;
}

/* ========================================
   ヘッダー
   ======================================== */
#header {
    transition: background-color 0.3s ease, backdrop-filter 0.3s ease;
}
#header.scrolled {
    background-color: rgba(0, 0, 0, 0.9);
}

/* ========================================
   ナビゲーション - ドロップダウン
   ======================================== */
.nav-item {
    position: relative;
}
.nav-dropdown {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    min-width: 200px;
    background: rgba(10, 10, 10, 0.97);
    border: 1px solid rgba(255, 255, 255, 0.08);
    padding: 0.75rem 0;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.25s ease, visibility 0.25s ease, transform 0.25s ease;
    transform: translateX(-50%) translateY(8px);
    z-index: 100;
    backdrop-filter: blur(12px);
}
.nav-item:hover .nav-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}
.nav-dropdown a {
    display: block;
    padding: 0.6rem 1.25rem;
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.7);
    letter-spacing: 0.1em;
    transition: color 0.2s ease, padding-left 0.2s ease;
    font-family: 'Noto Serif JP', serif;
}
.nav-dropdown a:hover {
    color: #00bfff;
    padding-left: 1.5rem;
}

/* ========================================
   モバイルメニュー
   ======================================== */
#mobile-menu {
    display: none;
}
#mobile-menu.open {
    display: block;
}

/* ========================================
   パンくずリスト
   ======================================== */
.breadcrumb {
    font-size: 0.7rem;
    letter-spacing: 0.15em;
    color: rgba(255, 255, 255, 0.4);
}
.breadcrumb a {
    color: rgba(255, 255, 255, 0.4);
    transition: color 0.2s ease;
}
.breadcrumb a:hover {
    color: #00bfff;
}
.breadcrumb .separator {
    margin: 0 0.5rem;
    opacity: 0.3;
}

/* ========================================
   セクション共通
   ======================================== */
.section-label {
    font-family: 'Playfair Display', serif;
    font-size: 0.8rem;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: #00bfff;
    display: block;
    margin-bottom: 0.75rem;
}

.section-title {
    font-family: 'Noto Serif JP', serif;
    font-weight: 500;
    letter-spacing: 0.1em;
    line-height: 1.4;
}

/* ========================================
   ボタン共通
   ======================================== */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    background: transparent;
    border: 1px solid #00bfff;
    color: #00bfff;
    padding: 0.875rem 2rem;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    transition: background-color 0.3s ease, color 0.3s ease, transform 0.2s ease;
    font-family: 'Noto Sans JP', sans-serif;
}
.btn-primary:hover {
    background-color: #00bfff;
    color: #fff;
    transform: translateY(-2px);
}
.btn-primary svg {
    transition: transform 0.3s ease;
}
.btn-primary:hover svg {
    transform: translateX(4px);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: rgba(255, 255, 255, 0.7);
    padding: 0.75rem 1.5rem;
    font-size: 0.7rem;
    letter-spacing: 0.15em;
    transition: border-color 0.3s ease, color 0.3s ease;
    font-family: 'Noto Sans JP', sans-serif;
}
.btn-secondary:hover {
    border-color: #00bfff;
    color: #00bfff;
}

/* ========================================
   カード共通
   ======================================== */
.card-work {
    position: relative;
    cursor: pointer;
}
.card-work .corner-tl,
.card-work .corner-tr,
.card-work .corner-bl,
.card-work .corner-br {
    position: absolute;
    width: 3.5rem;
    height: 3.5rem;
    transition: width 0.5s ease, height 0.5s ease, transform 0.5s ease;
}
.card-work:hover .corner-tl,
.card-work:hover .corner-tr,
.card-work:hover .corner-bl,
.card-work:hover .corner-br {
    width: 4.5rem;
    height: 4.5rem;
}
.card-work .corner-tl { top: 0; left: 0; border-top: 1px solid #000; border-left: 1px solid #000; }
.card-work .corner-tr { top: 0; right: 0; border-top: 1px solid #000; border-right: 1px solid #000; }
.card-work .corner-bl { bottom: 0; left: 0; border-bottom: 1px solid #000; border-left: 1px solid #000; }
.card-work .corner-br { bottom: 0; right: 0; border-bottom: 1px solid #000; border-right: 1px solid #000; }
.card-work:hover .corner-tl { transform: translate(-3px, -3px); }
.card-work:hover .corner-tr { transform: translate(3px, -3px); }
.card-work:hover .corner-bl { transform: translate(-3px, 3px); }
.card-work:hover .corner-br { transform: translate(3px, 3px); }

/* ========================================
   施工事例 フィルター
   ======================================== */
.filter-btn {
    font-size: 0.7rem;
    letter-spacing: 0.15em;
    padding: 0.5rem 1.25rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: rgba(255, 255, 255, 0.5);
    transition: all 0.25s ease;
    cursor: pointer;
    background: transparent;
    font-family: 'Noto Sans JP', sans-serif;
}
.filter-btn:hover,
.filter-btn.active {
    border-color: #00bfff;
    color: #00bfff;
    background: rgba(0, 191, 255, 0.05);
}

/* ========================================
   フォーム
   ======================================== */
.form-group {
    margin-bottom: 1.5rem;
}
.form-label {
    display: block;
    font-size: 0.75rem;
    letter-spacing: 0.15em;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 0.5rem;
}
.form-label span.required {
    color: #00bfff;
    margin-left: 0.25rem;
    font-size: 0.65rem;
}
.form-input,
.form-select,
.form-textarea {
    width: 100%;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #fff;
    padding: 0.875rem 1rem;
    font-size: 0.85rem;
    font-family: 'Noto Sans JP', sans-serif;
    transition: border-color 0.25s ease, background-color 0.25s ease;
    outline: none;
    border-radius: 0;
    -webkit-appearance: none;
    appearance: none;
}
.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    border-color: #00bfff;
    background: rgba(0, 191, 255, 0.03);
}
.form-input::placeholder,
.form-textarea::placeholder {
    color: rgba(255, 255, 255, 0.2);
    font-size: 0.8rem;
}
.form-textarea {
    resize: vertical;
    min-height: 140px;
}
.form-select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='rgba(255,255,255,0.4)' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
    cursor: pointer;
    color: rgba(255,255,255,0.5);
}
.form-select option {
    background: #1a1a1a;
    color: #fff;
}

/* ========================================
   アニメーション（初期非表示）
   ======================================== */
.gsap-hero-btn {
    opacity: 0;
    transform: translateY(2rem);
}
.gsap-section-title {
    opacity: 0;
}
.gsap-fade-up {
    opacity: 0;
    transform: translateY(2rem);
}
.gsap-fade-in {
    opacity: 0;
}
.gsap-about-img,
.gsap-about-text,
.gsap-about-img-sub {
    opacity: 0;
    transform: translateY(3rem);
}
.gsap-works-card,
.gsap-voice-card,
.gsap-faq-card,
.gsap-flow-item {
    opacity: 0;
    transform: translateY(2rem);
}
.gsap-faq-card {
    transform: translateX(2rem);
}

/* ========================================
   ページトップボタン
   ======================================== */
#page-top {
    position: fixed;
    bottom: 2rem;
    right: 1.5rem;
    width: 2.5rem;
    height: 2.5rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease, border-color 0.3s ease;
    z-index: 40;
}
#page-top.visible {
    opacity: 1;
    visibility: visible;
}
#page-top:hover {
    border-color: #00bfff;
}
#page-top svg {
    color: rgba(255, 255, 255, 0.6);
    transition: color 0.3s ease;
}
#page-top:hover svg {
    color: #00bfff;
}

/* ========================================
   テーブル（会社概要用）
   ======================================== */
.info-table {
    width: 100%;
    border-collapse: collapse;
}
.info-table tr {
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.info-table th {
    width: 30%;
    padding: 1rem 0.75rem 1rem 0;
    font-size: 0.75rem;
    letter-spacing: 0.12em;
    color: rgba(255, 255, 255, 0.4);
    font-weight: 400;
    text-align: left;
    vertical-align: top;
    white-space: nowrap;
}
.info-table td {
    padding: 1rem 0.75rem;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.75);
    font-weight: 300;
    letter-spacing: 0.05em;
    line-height: 1.9;
}

/* ========================================
   レスポンシブ調整
   ======================================== */
@media (max-width: 768px) {
    .hero-bg {
        background-attachment: scroll;
        background-size: cover !important;
        animation: heroZoomMobile 8s ease-out forwards;
    }
    .page-hero {
        background-attachment: scroll;
    }
    .info-table th {
        width: 35%;
        font-size: 0.7rem;
    }
    .info-table td {
        font-size: 0.8rem;
    }
}