/* ============================================
   CSS変数
   ============================================ */
:root {
    --color-base: #ffffff;
    --color-bg-muted: #f4f4f6;
    --color-text: #111111;
    --color-text-light: #222222;
    --color-black: #0f0f0f;
    --color-gold: #d4af37;
    --color-primary: #FF8907;
    --color-secondary: #000000;
    --color-border: #e2e2e2;
    --color-border-light: #dddddd;
    
    /* アニメーション */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --ease-out-expo: cubic-bezier(0.19, 1, 0.22, 1);
    --ease-in-out-expo: cubic-bezier(0.87, 0, 0.13, 1);
}

/* ============================================
   リセット・ベース設定
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: system-ui, -apple-system, 'Helvetica Neue', Arial, 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', Meiryo, sans-serif;
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-base);
    overflow-x: hidden;
}

/* ============================================
   アニメーション定義
   ============================================ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }
    100% {
        background-position: 1000px 0;
    }
}

/* スクロールアニメーション用クラス */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s var(--ease-out-expo), transform 0.8s var(--ease-out-expo);
}

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

.fade-in {
    opacity: 0;
    transition: opacity 0.8s var(--ease-out-expo);
}

.fade-in.visible {
    opacity: 1;
}

.slide-in-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: opacity 0.8s var(--ease-out-expo), transform 0.8s var(--ease-out-expo);
}

.slide-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.slide-in-right {
    opacity: 0;
    transform: translateX(50px);
    transition: opacity 0.8s var(--ease-out-expo), transform 0.8s var(--ease-out-expo);
}

.slide-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

.scale-in {
    opacity: 0;
    transform: scale(0.95);
    transition: opacity 0.6s var(--ease-out-expo), transform 0.6s var(--ease-out-expo);
}

.scale-in.visible {
    opacity: 1;
    transform: scale(1);
}

/* スタッガーアニメーション用 */
.stagger-item {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s var(--ease-out-expo), transform 0.6s var(--ease-out-expo);
}

.stagger-item.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   コンテナ・レイアウト
   ============================================ */
.l-container {
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 80px 0;
}

.section--muted {
    background-color: var(--color-bg-muted);
}

/* ============================================
   ヘッダー・ナビゲーション
   ============================================ */
.header {
    position: sticky;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--color-base);
    z-index: 1000;
    box-shadow: none;
    transition: box-shadow var(--transition-base), background-color var(--transition-base);
}

.header.scrolled {
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
}

.header__container {
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.header__logo-link {
    text-decoration: none;
    color: var(--color-text);
    transition: transform var(--transition-base);
    display: inline-flex;
    align-items: center;
    gap: 12px;
}

.header__logo-link:hover {
    transform: translateY(-2px);
}

.header__logo-image {
    height: 40px;
    width: auto;
    object-fit: contain;
    display: block;
}

.header__logo-text {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-text);
    letter-spacing: 0.15em;
    margin: 0;
    transition: color var(--transition-base);
    position: relative;
}

.header__logo-text::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-gold);
    transition: width var(--transition-base);
}

.header__logo-link:hover .header__logo-text::after {
    width: 100%;
}

.header__line-black {
    width: 100%;
    height: 1px;
    background-color: var(--color-black);
}

.header__line-gold {
    width: 100%;
    height: 2px;
    background-color: var(--color-gold);
}

.nav__list {
    display: flex;
    list-style: none;
    gap: 40px;
}

.nav__link {
    color: var(--color-text);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.1em;
    padding: 5px 0;
    position: relative;
    transition: color var(--transition-base), transform var(--transition-fast);
    display: inline-block;
}

.nav__link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background-color: var(--color-gold);
    transition: width var(--transition-base), left var(--transition-base);
    transform: translateX(-50%);
}

.nav__link:hover {
    color: var(--color-black);
    transform: translateY(-2px);
}

.nav__link:hover::before {
    width: 100%;
}

.nav__link--active {
    color: var(--color-black);
}

.nav__link--active::before {
    width: 100%;
    height: 2px;
    background-color: var(--color-gold);
}

.menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    width: 30px;
    height: 30px;
    position: relative;
    align-items: center;
    justify-content: center;
}

.menu-btn span {
    display: block;
    width: 25px;
    height: 2px;
    background-color: var(--color-text);
    transition: all 0.3s ease;
    position: absolute;
    left: 50%;
    top: 50%;
    transform-origin: center;
}

.menu-btn span:nth-child(1) {
    transform: translate(-50%, calc(-50% - 7px));
}

.menu-btn span:nth-child(2) {
    transform: translate(-50%, calc(-50% + 7px));
}

/* ============================================
   見出しスタイル
   ============================================ */
.section-title-block {
    background-color: var(--color-black);
    padding: 100px 0 60px;
    margin-top: 73px;
    position: relative;
    overflow: hidden;
}

.section-title-block::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.section-title-block__title {
    font-size: 42px;
    font-weight: 700;
    color: var(--color-base);
    letter-spacing: 0.05em;
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
    animation: fadeInUp 0.8s var(--ease-out-expo);
}

.section-title-block__line {
    width: 100%;
    height: 2px;
    background-color: var(--color-gold);
    max-width: 1320px;
    position: relative;
    z-index: 1;
    animation: slideInLeft 1s var(--ease-out-expo) 0.3s both;
}

.section-title {
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 32px;
    font-weight: 700;
    color: var(--color-text);
    letter-spacing: 0.05em;
    margin-bottom: 40px;
    position: relative;
}

.section-title::before {
    content: '';
    width: 42px;
    height: 2px;
    background: var(--color-gold);
    flex-shrink: 0;
    transition: width var(--transition-base);
}

.section-title:hover::before {
    width: 60px;
}

.section-title-wrapper {
    margin-bottom: 40px;
}

.section-title__sub {
    font-size: 14px;
    color: var(--color-text-light);
    margin-top: 8px;
    font-weight: 400;
    margin-left: 56px;
}

/* ============================================
   ヒーローセクション
   ============================================ */
.hero {
    width: 100vw;
    min-height: 700px;
    background-color: var(--color-base);
    padding: 120px 0 80px;
    margin-top: 73px;
    position: relative;
    overflow: hidden;
}

.hero--with-image .hero__background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.hero__background-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.hero__overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.3) 0%, rgba(255, 255, 255, 0.2) 50%, rgba(255, 255, 255, 0.3) 100%);
    z-index: 1;
    pointer-events: none;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.03) 0%, transparent 70%);
    pointer-events: none;
    animation: fadeIn 2s var(--ease-out-expo);
    z-index: 0;
}

.hero__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero__content {
    max-width: 600px;
}

.hero__eyebrow {
    font-size: 12px;
    color: var(--color-gold);
    letter-spacing: 0.2em;
    font-weight: 600;
    margin-bottom: 20px;
    text-transform: uppercase;
    opacity: 0;
    animation: fadeInUp 0.8s var(--ease-out-expo) 0.2s forwards;
}

.hero--with-image .hero__eyebrow {
    color: var(--color-gold);
    text-shadow: 0 2px 6px rgba(0, 0, 0, 0.7);
}

.hero__title {
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-text);
    letter-spacing: 0.1em;
    margin-bottom: 30px;
    line-height: 1.2;
    opacity: 0;
    animation: fadeInUp 0.8s var(--ease-out-expo) 0.4s forwards;
}

.hero--with-image .hero__title {
    color: var(--color-black);
    text-shadow: 0 2px 8px rgba(255, 255, 255, 0.9), 0 1px 3px rgba(255, 255, 255, 0.7);
}

.hero__text {
    font-size: 18px;
    color: var(--color-text-light);
    line-height: 1.8;
    margin-bottom: 40px;
    opacity: 0;
    animation: fadeInUp 0.8s var(--ease-out-expo) 0.6s forwards;
}

.hero--with-image .hero__text {
    color: var(--color-text);
    text-shadow: 0 1px 4px rgba(255, 255, 255, 0.9), 0 0 8px rgba(255, 255, 255, 0.7);
}

.hero__visual {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    opacity: 0;
    animation: slideInRight 1s var(--ease-out-expo) 0.8s forwards;
}

.hero__panel {
    background-color: var(--color-black);
    padding: 60px 50px;
    color: var(--color-base);
    max-width: 500px;
    width: 100%;
    position: relative;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
    border: 1px solid transparent;
}

.hero__panel::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border: 1px solid var(--color-gold);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.hero__panel:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.hero__panel:hover::before {
    opacity: 1;
}

.hero__panel-title {
    font-size: 14px;
    color: var(--color-gold);
    letter-spacing: 0.2em;
    font-weight: 600;
    margin-bottom: 20px;
    text-transform: uppercase;
    position: relative;
    padding-bottom: 12px;
}

.hero__panel-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: var(--color-gold);
}

.hero__panel-text {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-base);
    letter-spacing: 0.1em;
    line-height: 1.5;
}

/* ============================================
   ボタン
   ============================================ */
.btn {
    display: inline-block;
    padding: 16px 40px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    text-align: center;
    border: 2px solid var(--color-gold);
    color: var(--color-text);
    background-color: var(--color-base);
    cursor: pointer;
    transition: all var(--transition-base);
    letter-spacing: 0.05em;
    border-radius: 4px;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background-color: var(--color-gold);
    transition: left var(--transition-base);
    z-index: -1;
}

.btn:hover {
    color: var(--color-base);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(212, 175, 55, 0.3);
}

.btn:hover::before {
    left: 0;
}

.btn:active {
    transform: translateY(0);
}

.btn--outline {
    color: var(--color-text);
    background-color: transparent;
    border-color: var(--color-gold);
}

.btn--outline:hover {
    background-color: var(--color-gold);
    color: var(--color-base);
    border-color: var(--color-gold);
}

.btn--gold {
    color: var(--color-base);
    background-color: var(--color-gold);
    border-color: var(--color-gold);
}

.btn--gold::before {
    background-color: var(--color-black);
}

.btn--gold:hover {
    background-color: var(--color-black);
    border-color: var(--color-black);
    box-shadow: 0 8px 20px rgba(15, 15, 15, 0.3);
}

/* ============================================
   ABOUT INTRO
   ============================================ */
.about-intro {
    padding: 100px 0;
}

.about-intro__header {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 60px;
    margin-bottom: 60px;
    align-items: start;
}

.about-intro__text {
    padding-right: 20px;
}

.about-intro__paragraph {
    font-size: 16px;
    line-height: 1.9;
    color: var(--color-text-light);
}

.about-intro__cards {
    display: flex;
    flex-wrap: nowrap;
    gap: 20px;
    overflow-x: auto;
    padding-bottom: 12px;
}

.about-intro__cards::-webkit-scrollbar {
    height: 6px;
}

.about-intro__cards::-webkit-scrollbar-thumb {
    background: rgba(212, 175, 55, 0.4);
    border-radius: 3px;
}

.about-intro__card {
    padding: 24px 20px;
    background-color: var(--color-base);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    border-top: 2px solid var(--color-gold);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    flex: 0 0 200px;
}

.about-intro__card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--color-gold);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base);
}

.about-intro__card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
    border-color: var(--color-gold);
}

.about-intro__card:hover::before {
    transform: scaleX(1);
}

.about-intro__card-label {
    font-size: 11px;
    color: var(--color-gold);
    letter-spacing: 0.15em;
    font-weight: 600;
    margin-bottom: 12px;
    text-transform: uppercase;
}

.about-intro__card-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--color-text);
}

.about-intro__card-text {
    font-size: 14px;
    line-height: 1.7;
    color: var(--color-text-light);
}

/* ============================================
   ABOUT 詳細
   ============================================ */
.about-basic__list {
    display: grid;
    gap: 16px;
    margin-bottom: 26px;
}

.about-basic__item {
    display: grid;
    grid-template-columns: 130px 1fr;
    gap: 12px;
    align-items: center;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--color-border);
}

.about-basic__item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.about-basic__label {
    font-size: 12px;
    letter-spacing: 0.12em;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--color-text-light);
}

.about-basic__value {
    font-size: 17px;
    font-weight: 700;
    color: var(--color-text);
}

.about-basic__value a {
    color: var(--color-text);
    text-decoration: none;
    transition: color var(--transition-base);
}

.about-basic__value a:hover {
    color: var(--color-gold);
}

.about-basic__subsection {
    display: grid;
    gap: 12px;
    margin-top: 20px;
}

.about-basic__subtitle {
    font-size: 13px;
    letter-spacing: 0.12em;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--color-text);
}

.about-basic__credits {
    list-style: none;
    display: grid;
    gap: 8px;
    padding: 0;
    margin: 0;
}

.about-basic__credit {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--color-text-light);
}

.about-basic__credit span {
    font-weight: 700;
    color: var(--color-text);
}

.about-basic__credit a {
    color: var(--color-gold);
    text-decoration: none;
    transition: color var(--transition-base);
}

.about-basic__credit a:hover {
    color: var(--color-black);
}

.about-basic__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.about-basic__tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    border-radius: 999px;
    background-color: rgba(212, 175, 55, 0.16);
    border: 1px solid rgba(212, 175, 55, 0.4);
    font-size: 12px;
    font-weight: 600;
    color: var(--color-black);
    transition: background-color var(--transition-base), color var(--transition-base);
}

.about-basic__tag a {
    color: inherit;
    text-decoration: none;
}

.about-basic__tag:hover {
    background-color: var(--color-gold);
    color: var(--color-base);
}

.about-basic__requirements {
    list-style: none;
    display: grid;
    gap: 8px;
    padding: 0;
    margin: 0;
    font-size: 13px;
    color: var(--color-text-light);
}

.about-basic__note {
    font-size: 11px;
    letter-spacing: 0.08em;
    color: var(--color-text-light);
}

/* ============================================
   動画セクション
   ============================================ */
.video-section {
    padding: 100px 0;
    background-color: var(--color-base);
}

.video-section__wrapper {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%; /* 16:9 */
    height: 0;
    overflow: hidden;
    border-radius: 2px;
    border-bottom: 3px solid var(--color-gold);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.video-section__wrapper:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.15);
}

.video-section__iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* ============================================
   OWNER MESSAGE
   ============================================ */
.owner-message {
    padding: 100px 0;
}

.owner-message__card {
    max-width: 1000px;
    margin: 0 auto;
    background-color: var(--color-base);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    overflow: hidden;
    transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.owner-message__card:hover {
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.1);
    transform: translateY(-4px);
}

.owner-message__header {
    background-color: var(--color-black);
    padding: 20px 30px;
    border-bottom: 2px solid var(--color-gold);
}

.owner-message__title {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-base);
    letter-spacing: 0.05em;
    margin: 0;
}

.owner-message__content {
    display: grid;
    grid-template-columns: 150px 1fr;
    gap: 40px;
    padding: 50px;
    align-items: start;
}

.owner-message__image {
    width: 120px;
    height: 120px;
}

.owner-message__image-photo {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--color-border);
    background-color: var(--color-bg-muted);
}

.owner-message__image-placeholder {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background-color: var(--color-bg-muted);
    border: 2px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-light);
    font-size: 12px;
    text-align: center;
}

.owner-message__text {
    padding-top: 10px;
}

.owner-message__paragraph {
    font-size: 16px;
    line-height: 2;
    color: var(--color-text-light);
    margin-bottom: 30px;
}

.owner-message__name {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text);
    letter-spacing: 0.05em;
}

/* ============================================
   NEWSセクション
   ============================================ */
.news {
    padding: 100px 0;
}

.news__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 60px;
}

.news-card {
    background-color: var(--color-base);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    padding: 30px;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.news-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background-color: var(--color-gold);
    transform: scaleY(0);
    transform-origin: bottom;
    transition: transform var(--transition-base);
}

.news-card:hover {
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
    transform: translateY(-4px);
    border-color: var(--color-gold);
}

.news-card:hover::before {
    transform: scaleY(1);
    transform-origin: top;
}

.news-card__date {
    font-size: 12px;
    color: var(--color-text-light);
    letter-spacing: 0.05em;
    margin-bottom: 8px;
}

.news-card__category {
    font-size: 11px;
    color: var(--color-gold);
    letter-spacing: 0.1em;
    font-weight: 600;
    margin-bottom: 16px;
    text-transform: uppercase;
}

.news-card__title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--color-text);
    line-height: 1.5;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--color-gold);
}

.news-card__excerpt {
    font-size: 14px;
    line-height: 1.7;
    color: var(--color-text-light);
    margin-bottom: 20px;
}

.news-card__link {
    font-size: 13px;
    color: var(--color-gold);
    text-decoration: none;
    letter-spacing: 0.1em;
    font-weight: 600;
    text-transform: uppercase;
    transition: all var(--transition-base);
    display: inline-block;
    position: relative;
    padding-bottom: 2px;
}

.news-card__link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-gold);
    transition: width var(--transition-base);
}

.news-card__link:hover {
    color: var(--color-black);
    transform: translateX(4px);
}

.news-card__link:hover::after {
    width: 100%;
}

.news__footer {
    text-align: center;
}

/* ============================================
   NEWS詳細ページ
   ============================================ */
.news-detail {
    padding: 100px 0;
}

.news-detail__article {
    max-width: 800px;
    margin: 0 auto;
    background-color: var(--color-base);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    padding: 60px;
}

.news-detail__header {
    margin-bottom: 40px;
    padding-bottom: 30px;
    border-bottom: 2px solid var(--color-gold);
}

.news-detail__meta {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
    align-items: center;
}

.news-detail__date {
    font-size: 14px;
    color: var(--color-text-light);
    letter-spacing: 0.05em;
}

.news-detail__category {
    font-size: 12px;
    color: var(--color-gold);
    letter-spacing: 0.1em;
    font-weight: 600;
    text-transform: uppercase;
    padding: 4px 12px;
    border: 1px solid var(--color-gold);
    border-radius: 2px;
}

.news-detail__title {
    font-size: 32px;
    font-weight: 700;
    color: var(--color-text);
    line-height: 1.4;
    letter-spacing: 0.02em;
}

.news-detail__content {
    font-size: 16px;
    line-height: 2;
    color: var(--color-text-light);
}

.news-detail__content h2 {
    font-size: 24px;
    font-weight: 600;
    color: var(--color-text);
    margin-top: 40px;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--color-border);
}

.news-detail__content ul {
    margin: 20px 0;
    padding-left: 30px;
}

.news-detail__content li {
    margin-bottom: 10px;
    line-height: 1.8;
}

.news-detail__content p {
    margin-bottom: 20px;
}

.news-detail__footer {
    text-align: center;
    margin-top: 60px;
}

/* ニュースカードをリンク化 */
.news-card a {
    text-decoration: none;
    color: inherit;
    display: block;
}

.news-card a:hover {
    text-decoration: none;
}

.news-card a:hover .news-card__title {
    color: var(--color-gold);
}

/* ============================================
   MEMBERセクション
   ============================================ */
.member {
    padding: 100px 0;
}

.member__division {
    margin-bottom: 80px;
}

.member__division:last-child {
    margin-bottom: 0;
}

.member__division .section-title-wrapper {
    margin-bottom: 30px;
}

.member__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 30px;
}

.member-card {
    background-color: var(--color-base);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    padding: 30px;
    transition: all var(--transition-base);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.04);
    position: relative;
    overflow: hidden;
}

.member-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-gold), transparent);
    transform: translateX(-100%);
    transition: transform var(--transition-base);
}

.member-card:hover {
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.12);
    transform: translateY(-6px);
    border-color: var(--color-gold);
}

.member-card:hover::after {
    transform: translateX(0);
}

.member-card__name {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--color-text);
    letter-spacing: 0.05em;
    transition: color var(--transition-base);
}

.member-card:hover .member-card__name {
    color: var(--color-gold);
}

.member-card__label {
    font-size: 11px;
    color: var(--color-gold);
    letter-spacing: 0.15em;
    font-weight: 600;
    margin-bottom: 12px;
    text-transform: uppercase;
}

.member-card__achievement {
    font-size: 13px;
    line-height: 1.6;
    color: var(--color-text-light);
    margin-bottom: 8px;
}

.member__staff {
    margin-top: 100px;
    padding-top: 60px;
    border-top: 1px solid var(--color-border);
}

.member__staff-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 30px;
}

/* ============================================
   PROFILEページ
   ============================================ */
.profile-hero {
    background-color: var(--color-black);
    color: var(--color-base);
    padding: 120px 0 80px;
    margin-top: 73px;
    position: relative;
    overflow: hidden;
}

.profile-hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at top right, rgba(212, 175, 55, 0.08), transparent 55%);
    pointer-events: none;
}

.profile-hero__inner {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.profile-hero__meta {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.profile-hero__avatar {
    width: 108px;
    height: 108px;
    border-radius: 50%;
    border: 2px solid rgba(212, 175, 55, 0.4);
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.2), rgba(15, 15, 15, 0.7));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: rgba(255, 255, 255, 0.9);
    position: relative;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
}

.hero--with-image .profile-hero__avatar {
    background: rgba(255, 255, 255, 0.15);
    color: rgba(0, 0, 0, 0.8);
    border-color: rgba(0, 0, 0, 0.1);
}

.profile-hero__avatar::after {
    content: attr(data-initials);
}

.profile-hero__avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: none;
}

.profile-hero__avatar--image::after {
    content: '';
}

.profile-hero__avatar--image img {
    display: block;
}

.profile-hero__role {
    font-size: 12px;
    letter-spacing: 0.2em;
    font-weight: 600;
    color: var(--color-gold);
}

.profile-hero__name {
    font-size: 48px;
    letter-spacing: 0.08em;
    font-weight: 700;
}

.profile-hero__tagline {
    font-size: 18px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.8);
    max-width: 640px;
}

.profile-hero__stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.profile-stat {
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(212, 175, 55, 0.25);
    padding: 18px 24px;
    border-radius: 4px;
    min-width: 180px;
}

.profile-stat__label {
    font-size: 12px;
    letter-spacing: 0.15em;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 8px;
}

.profile-stat__value {
    font-size: 20px;
    font-weight: 700;
}

.profile-main {
    padding: 100px 0;
    background-color: var(--color-base);
}

.profile-main__grid {
    display: grid;
    grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
    gap: 60px;
}

.profile-section {
    margin-bottom: 60px;
}

.profile-section:last-child {
    margin-bottom: 0;
}

.profile-section__title {
    font-size: 20px;
    letter-spacing: 0.08em;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.profile-section__title::before {
    content: '';
    width: 36px;
    height: 2px;
    background-color: var(--color-gold);
}

.profile-section__body {
    background-color: var(--color-base);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    padding: 30px;
    line-height: 1.8;
    color: var(--color-text-light);
}

.profile-timeline {
    list-style: none;
    display: grid;
    gap: 24px;
}

.profile-timeline__item {
    border-left: 2px solid var(--color-gold);
    padding-left: 18px;
    position: relative;
}

.profile-timeline__item::before {
    content: '';
    position: absolute;
    left: -7px;
    top: 6px;
    width: 12px;
    height: 12px;
    background-color: var(--color-gold);
    border-radius: 50%;
}

.profile-timeline__year {
    font-size: 12px;
    letter-spacing: 0.15em;
    font-weight: 600;
    color: var(--color-gold);
    margin-bottom: 6px;
}

.profile-timeline__title {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 6px;
}

.profile-timeline__desc {
    font-size: 14px;
    color: var(--color-text-light);
}

.profile-aside {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.profile-aside__card {
    border: 1px solid var(--color-border);
    border-radius: 4px;
    padding: 28px;
    background-color: var(--color-base);
}

.profile-aside__title {
    font-size: 16px;
    letter-spacing: 0.08em;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.profile-aside__title::before {
    content: '';
    width: 24px;
    height: 2px;
    background-color: var(--color-gold);
}

.profile-aside__list {
    list-style: none;
    display: grid;
    gap: 12px;
    font-size: 14px;
    color: var(--color-text-light);
}

.profile-aside__list a {
    color: var(--color-gold);
    text-decoration: none;
    transition: color var(--transition-base);
}

.profile-aside__list a:hover {
    color: var(--color-black);
    text-decoration: underline;
}

.member-card__cta {
    margin-top: 20px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    font-weight: 600;
    color: var(--color-gold);
    text-decoration: none;
    transition: transform var(--transition-base), color var(--transition-base);
}

.member-card__cta::after {
    content: '→';
    font-size: 12px;
    transition: transform var(--transition-base);
}

.member-card__cta:hover {
    color: var(--color-black);
    transform: translateX(4px);
}

.member-card__cta:hover::after {
    transform: translateX(4px);
}

/* ============================================
   ABOUTセクション
   ============================================ */
.about {
    padding: 100px 0;
}

.about__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 50px;
}

.about__column {
    padding: 50px 40px;
    border-right: 1px solid var(--color-gold);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.about__column:hover {
    transform: translateY(-4px);
}

.about__column-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 20px;
    letter-spacing: 0.05em;
    transition: color var(--transition-base);
}

.about__column:hover .about__column-title {
    color: var(--color-gold);
}

.about__column-line {
    width: 100%;
    height: 2px;
    background-color: var(--color-gold);
    margin-bottom: 30px;
    transition: transform var(--transition-base);
    transform-origin: left;
}

.about__column:hover .about__column-line {
    transform: scaleX(1.1);
}

.about__column-text {
    font-size: 15px;
    line-height: 1.9;
    color: var(--color-text-light);
    margin-bottom: 20px;
}

.about__column-text:last-child {
    margin-bottom: 0;
}

/* ============================================
   CONTACTセクション
   ============================================ */
.contact {
    padding: 100px 0;
}

.contact__description {
    text-align: center;
    font-size: 16px;
    color: var(--color-text-light);
    margin-bottom: 50px;
    line-height: 1.8;
}

.contact-form {
    max-width: 700px;
    margin: 0 auto;
    padding: 50px;
    background-color: var(--color-base);
    border: 1px solid var(--color-black);
    border-radius: 4px;
    border-top: 3px solid var(--color-gold);
    transition: box-shadow var(--transition-base), transform var(--transition-base);
    position: relative;
    overflow: hidden;
}

.contact-form::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-gold), transparent);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.contact-form:hover::before {
    opacity: 1;
}

.contact-form:hover {
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

.contact-form__input,
.contact-form__textarea {
    width: 100%;
    padding: 14px 16px;
    font-size: 16px;
    border: 1px solid var(--color-border-light);
    background-color: var(--color-base);
    color: var(--color-text);
    font-family: inherit;
    transition: all var(--transition-base);
    border-radius: 4px;
    position: relative;
}

.contact-form__input:focus,
.contact-form__textarea:focus {
    outline: none;
    border-color: var(--color-gold);
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.1);
    transform: translateY(-2px);
}

.contact-form__input:hover,
.contact-form__textarea:hover {
    border-color: var(--color-gold);
}

.contact-form__group {
    position: relative;
    margin-bottom: 30px;
}

.contact-form__label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--color-text);
    letter-spacing: 0.05em;
    transition: color var(--transition-base);
}

.contact-form__group:focus-within .contact-form__label {
    color: var(--color-gold);
}

.contact-form__textarea {
    resize: vertical;
}

.contact-form__submit {
    text-align: center;
    margin-top: 40px;
}

/* ============================================
   フッター
   ============================================ */
.footer {
    background-color: var(--color-base);
    padding: 40px 0;
    border-top: 1px solid var(--color-border);
}

.footer__container {
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 24px;
    text-align: center;
}

.footer__text {
    color: var(--color-text-light);
    font-size: 14px;
}

/* ============================================
   レスポンシブ対応（タブレット以下）
   ============================================ */
@media (max-width: 1024px) {
    .about-intro__header {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-intro__text {
        padding-right: 0;
    }

    .about-intro__cards {
        flex-wrap: wrap;
        justify-content: center;
    }

    .about-intro__card {
        flex: 1 1 calc(50% - 20px);
        max-width: 260px;
    }
    .about-intro__cards {
        flex-wrap: nowrap;
        gap: 16px;
    }

    .about-intro__card {
        flex: 0 0 220px;
        max-width: none;
    }

    .owner-message__content {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .owner-message__image {
        margin: 0 auto;
    }

    .news__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .about__grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-basic__item {
        grid-template-columns: 1fr;
        gap: 8px;
    }

    .profile-hero__inner {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .profile-hero__stats {
        grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    }

    .profile-main__grid {
        grid-template-columns: 1fr;
    }

    .profile-aside {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 20px;
    }

    .profile-aside__card {
        flex: 1 1 min(320px, 100%);
    }
}

/* ============================================
   レスポンシブ対応（スマホ）
   ============================================ */
@media (max-width: 768px) {
    .section {
        padding: 60px 0;
    }

    .section-title-block {
        padding: 80px 0 40px;
        margin-top: 73px;
    }

    .section-title {
        font-size: 28px;
        margin-bottom: 30px;
    }

    .section-title__sub {
        margin-left: 0;
    }

    .header__container {
        height: 60px;
    }

    .header__logo-image {
        height: 32px;
    }

    .header__logo-text {
        font-size: 20px;
    }

    .nav__list {
        position: fixed;
        top: 63px;
        left: 0;
        width: 100%;
        background-color: var(--color-base);
        flex-direction: column;
        padding: 20px;
        gap: 0;
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        border-top: 1px solid var(--color-black);
        border-bottom: 2px solid var(--color-gold);
    }

    .nav__list.active {
        transform: translateX(0);
    }

    .nav__item {
        width: 100%;
        border-bottom: 1px solid var(--color-border);
    }

    .nav__link {
        display: block;
        padding: 15px 0;
        width: 100%;
    }

    .menu-btn {
        display: flex;
    }

    .menu-btn.active span:nth-child(1) {
        transform: translate(-50%, -50%) rotate(45deg);
    }

    .menu-btn.active span:nth-child(2) {
        transform: translate(-50%, -50%) rotate(-45deg);
    }

    .hero {
        min-height: 520px;
        padding: 80px 0 60px;
        margin-top: 63px;
    }

    .hero--with-image .hero__background {
        height: 100%;
    }

    .hero__background-image {
        object-position: top center;
    }

    .hero__inner {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero__content {
        max-width: 100%;
    }

    .hero__visual {
        justify-content: center;
    }

    .hero__panel {
        padding: 40px 30px;
        max-width: 100%;
    }

    .hero__title {
        font-size: 2rem;
        margin-bottom: 20px;
    }

    .hero__text {
        font-size: 16px;
        margin-bottom: 30px;
    }

    .about-basic__list {
        gap: 20px;
    }

    .about-basic__item {
        grid-template-columns: 1fr;
        gap: 6px;
    }

    .about-basic__label {
        font-size: 12px;
    }

    .about-basic__value {
        font-size: 16px;
    }

    .about-basic__tag {
        padding: 8px 12px;
        font-size: 12px;
    }

    .news-detail__article {
        padding: 40px 30px;
    }

    .news-detail__title {
        font-size: 24px;
    }

    .news-detail__content h2 {
        font-size: 20px;
    }

    .news-detail__meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    /* スマホではマウスカーソルエフェクトを無効化 */
    .news-card,
    .member-card,
    .about-intro__card {
        transform: none !important;
    }

    .about-intro {
        padding: 60px 0;
    }

    .about-intro__header {
        grid-template-columns: 1fr;
        gap: 30px;
        margin-bottom: 40px;
    }

    .about-intro__cards {
        flex-direction: column;
        flex-wrap: wrap;
        overflow-x: visible;
        gap: 20px;
    }

    .about-intro__card {
        flex: 1 1 100%;
        max-width: 100%;
        padding: 28px 24px;
    }

    .about-intro__card-label {
        font-size: 12px;
        margin-bottom: 14px;
    }

    .about-intro__card-title {
        font-size: 22px;
        margin-bottom: 12px;
    }

    .about-intro__card-text {
        font-size: 15px;
        line-height: 1.8;
    }

    .video-section {
        padding: 60px 0;
    }

    .owner-message {
        padding: 60px 0;
    }

    .owner-message__content {
        padding: 30px 20px;
    }

    .news {
        padding: 60px 0;
    }

    .news__grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .member {
        padding: 60px 0;
    }

    .member__grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .member__staff-grid {
        grid-template-columns: 1fr;
    }

    .about {
        padding: 60px 0;
    }

    .contact {
        padding: 60px 0;
    }

    .contact-form {
        padding: 30px 20px;
    }

    .btn {
        padding: 14px 30px;
        font-size: 14px;
    }

    .profile-hero {
        padding: 80px 0 50px;
        margin-top: 63px;
    }

    .profile-hero__name {
        font-size: 36px;
    }

    .profile-hero__tagline {
        font-size: 16px;
    }

    .profile-hero__stats {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }

    .profile-stat {
        min-width: auto;
        padding: 16px 18px;
    }

    .profile-main {
        padding: 60px 0;
    }

    .profile-section__body {
        padding: 24px;
    }

    .profile-aside {
        flex-direction: column;
    }

    .profile-aside__card {
        padding: 24px;
    }
}

/* ============================================
   小さいスマホ対応
   ============================================ */
@media (max-width: 480px) {
    .hero__title {
        font-size: 1.75rem;
    }

    .section-title-block__title {
        font-size: 32px;
    }

    .section-title {
        font-size: 24px;
    }

    .about-intro__card {
        padding: 24px 20px;
    }

    .about-intro__card-title {
        font-size: 20px;
    }

    .about-intro__card-text {
        font-size: 14px;
        line-height: 1.9;
    }

    .about-basic__credits {
        padding: 20px;
    }

    .about-basic__tags {
        gap: 8px;
    }

    .about-basic__tag {
        width: 100%;
        justify-content: center;
    }

    .owner-message__image {
        width: 100px;
        height: 100px;
    }

    .profile-hero__name {
        font-size: 30px;
    }

    .profile-hero__stats {
        grid-template-columns: 1fr;
    }

    .profile-stat__value {
        font-size: 18px;
    }

    .hero {
        min-height: 480px;
    }
}