/* =============================================
   SONY風デザイン - style-new.css
   reiga0919様 スポーツチーム公式サイト
   ============================================= */

/* --- Reset & Base --- */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Light header/MV area */
    --color-white: #ffffff;
    --color-bg-light: #ffffff;
    --color-text-dark: #1a1a1a;
    --color-text-gray: #666666;
    --color-text-light-gray: #999999;
    --color-border-light: #e5e5e5;

    /* Dark content sections */
    --color-bg: #0a0a0f;
    --color-bg-secondary: #111118;
    --color-bg-card: #16161f;
    --color-bg-card-hover: #1c1c28;
    --color-surface: #1e1e2a;
    --color-border: rgba(255, 255, 255, 0.08);
    --color-border-hover: rgba(255, 255, 255, 0.15);
    --color-text: #ffffff;
    --color-text-secondary: rgba(255, 255, 255, 0.6);
    --color-text-muted: rgba(255, 255, 255, 0.35);
    --color-accent: #3b82f6;
    --color-accent-light: #60a5fa;
    --color-accent-dark: #2563eb;
    --color-accent-glow: rgba(59, 130, 246, 0.15);

    /* Footer gradient */
    --color-footer-start: #0a1628;
    --color-footer-end: #1a0a2e;

    --font-family: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, sans-serif;
    --header-height: 72px;
    --container-width: 1440px;
    --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: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family);
    background: linear-gradient(
        160deg,
        #081a1a 0%,
        #0a2235 20%,
        #0d1f2d 40%,
        #0b2a2a 60%,
        #0e1b30 80%,
        #0a1e25 100%
    );
    background-attachment: fixed;
    color: var(--color-text);
    line-height: 1.8;
    overflow-x: hidden;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

ul, ol {
    list-style: none;
}

button {
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
    color: inherit;
}

input, select, textarea {
    font-family: inherit;
    font-size: inherit;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 60px;
}

.section {
    padding: 120px 0;
}

/* --- Utility --- */
.sp-only {
    display: none;
}

@media (max-width: 768px) {
    .sp-only {
        display: inline;
    }
}

/* --- Scroll Animation --- */
.js-fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* =============================================
   Header（黒ベース）
   ============================================= */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    z-index: 1100;
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: box-shadow var(--transition-base);
}

.header.is-scrolled {
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.08);
}

.header__inner {
    max-width: 100%;
    margin: 0 auto;
    padding: 0 40px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.header__logo a {
    display: flex;
    align-items: center;
}

.header__logo-img {
    width: 250px;
    height: auto;
    display: block;
}

.header__nav {
    display: flex;
    align-items: center;
    margin-left: 48px;
}

.header__nav-list {
    display: flex;
    gap: 32px;
}

.header__nav-item a {
    font-size: 0.8125rem;
    font-weight: 500;
    letter-spacing: 0.04em;
    color: rgba(255, 255, 255, 0.85);
    position: relative;
    padding: 4px 0;
    transition: color var(--transition-fast);
}

.header__nav-item a:hover {
    color: var(--color-white);
}

.header__actions {
    display: flex;
    align-items: center;
    gap: 24px;
    margin-left: auto;
}

/* Hamburger（SONY風 3本線・デスクトップでも表示） */
.hamburger {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    gap: 6px;
    position: relative;
    z-index: 1100;
}

.hamburger span {
    display: block;
    width: 22px;
    height: 1.5px;
    background: var(--color-white);
    transition: all var(--transition-base);
    border-radius: 1px;
}

.hamburger.is-active span:first-child {
    transform: translateY(7.5px) rotate(45deg);
}

.hamburger.is-active span:nth-child(2) {
    opacity: 0;
}

.hamburger.is-active span:last-child {
    transform: translateY(-7.5px) rotate(-45deg);
}

/* =============================================
   Mobile Navigation（上からスライドダウン）
   ============================================= */
.mobile-nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1050;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s ease, visibility 0.4s;
}

.mobile-nav-overlay.is-active {
    opacity: 1;
    visibility: visible;
}

.mobile-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    background: rgba(15, 15, 25, 0.3);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 1060;
    transform: translateY(-100%);
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    overflow-y: auto;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.mobile-nav.is-active {
    transform: translateY(0);
}

.mobile-nav__list {
    width: 100%;
    max-width: 600px;
    padding: 32px 60px;
}

.mobile-nav__item {
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.mobile-nav__item a {
    display: block;
    padding: 18px 0;
    font-size: 0.9375rem;
    font-weight: 400;
    letter-spacing: 0.04em;
    color: var(--color-text);
    transition: color var(--transition-fast);
}

.mobile-nav__item a:hover {
    color: var(--color-text-secondary);
}

.mobile-nav__cta {
    padding: 0 60px 40px;
}

.mobile-nav__contact-link {
    display: inline-block;
    text-align: center;
    padding: 14px 40px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: var(--color-text);
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    transition: all var(--transition-fast);
}

.mobile-nav__contact-link:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-white);
}

/* =============================================
   Main Visual（スクロール駆動アニメーション）
   ============================================= */
.mv {
    position: relative;
    width: 100%;
    height: 300vh;
    background: transparent;
}

.mv__sticky {
    position: sticky;
    top: 0;
    width: 100%;
    height: 100vh;
    overflow: hidden;
}

.mv__image-area {
    position: absolute;
    top: calc(var(--header-height) + 5vh);
    left: 10%;
    right: 10%;
    bottom: calc(80px + 5vh);
    overflow: hidden;
}

.mv__slides {
    position: relative;
    width: 100%;
    height: 100%;
}

.mv__slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    will-change: transform, opacity;
}

.mv__slide-image {
    width: 100%;
    height: 100%;
    overflow: hidden;
    will-change: transform, opacity;
}

.mv__slide-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* Placeholder Images */
.mv__image-placeholder {
    width: 100%;
    height: 100%;
    background: #888888;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.875rem;
    text-align: center;
    line-height: 1.6;
}

.mv__image-placeholder--02 {
    background: #666666;
}

.mv__image-placeholder--03 {
    background: #444444;
}

.mv__image-placeholder--04 {
    background: #2a2a2a;
}

/* Caption（画像下） */
.mv__caption {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
}

.mv__caption-text {
    font-size: 0.8125rem;
    font-weight: 400;
    letter-spacing: 0.08em;
    color: rgba(255, 255, 255, 0.7);
}

/* Controls（右上） */
.mv__controls {
    position: absolute;
    top: calc(var(--header-height) + 16px);
    right: 32px;
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 10;
}

.mv__motion-label {
    font-size: 0.6875rem;
    font-weight: 400;
    letter-spacing: 0.05em;
    color: rgba(255, 255, 255, 0.5);
}

.mv__pause-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 50%;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.625rem;
    transition: all var(--transition-fast);
}

.mv__pause-btn:hover {
    border-color: rgba(255, 255, 255, 0.5);
    color: var(--color-white);
}

/* Progress Bar（右端・縦） */
.mv__progress {
    position: absolute;
    right: 32px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 6px;
    z-index: 10;
}

.mv__progress-bar {
    width: 2px;
    height: 40px;
    background: rgba(255, 255, 255, 0.15);
    position: relative;
    overflow: hidden;
    border-radius: 1px;
}

.mv__progress-fill {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 0%;
    background: var(--color-white);
    border-radius: 1px;
}

.mv__progress-bar.is-active .mv__progress-fill {
    height: 100%;
}

.mv__progress-bar.is-past .mv__progress-fill {
    height: 100%;
}

/* =============================================
   Mission Section（SONY風）
   ============================================= */
.mission {
    position: relative;
    overflow: hidden;
    padding: 160px 0 180px;
    min-height: 85vh;
}

.mission > .container {
    position: relative;
    z-index: 1;
    max-width: 1680px;
}

/* 背景画像（透過で配置） */
.mission__bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

.mission__bg-image {
    position: absolute;
    top: 50%;
    right: -5%;
    transform: translateY(-50%);
    width: 65%;
    height: 85%;
    opacity: 0.35;
}

.mission__bg-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* プレースホルダー（画像未設定時） */
.mission__bg-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(
        135deg,
        rgba(59, 130, 246, 0.08) 0%,
        rgba(59, 130, 246, 0.15) 30%,
        rgba(100, 80, 200, 0.12) 60%,
        rgba(59, 130, 246, 0.06) 100%
    );
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.15);
    font-size: 0.8125rem;
    text-align: center;
    line-height: 1.6;
}

/* コンテンツ */
.mission__content {
    position: relative;
    z-index: 1;
    max-width: 640px;
}

.mission__en {
    font-size: clamp(3rem, 7vw, 5rem);
    font-weight: 300;
    letter-spacing: -0.02em;
    line-height: 1.1;
    color: var(--color-text);
    margin-bottom: 16px;
}

.mission__label {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    color: var(--color-text-secondary);
    margin-bottom: 48px;
}

.mission__title {
    font-size: clamp(1.5rem, 3.5vw, 2.25rem);
    font-weight: 700;
    letter-spacing: 0.12em;
    line-height: 2;
    color: var(--color-text);
    margin-bottom: 56px;
}

.mission__link {
    display: inline-flex;
    align-items: center;
    gap: 20px;
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

.mission__link:hover {
    color: var(--color-text);
}

.mission__link-text {
    font-size: 0.875rem;
    font-weight: 400;
    letter-spacing: 0.06em;
}

.mission__link-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    font-size: 0.75rem;
    transition: all var(--transition-base);
}

.mission__link:hover .mission__link-icon {
    border-color: rgba(255, 255, 255, 0.5);
    background: rgba(255, 255, 255, 0.05);
    transform: translateX(4px);
}

/* =============================================
   Members Section（SONY風スライダー）
   ============================================= */
.members {
    background: transparent;
    position: relative;
}

.members__container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 60px;
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 48px;
    align-items: start;
}

/* 左カラム：タイトル + ナビ */
.members__header {
    padding-top: 8px;
}

.members__en {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 300;
    letter-spacing: -0.02em;
    line-height: 1.1;
    color: var(--color-text);
    margin-bottom: 12px;
}

.members__title {
    font-size: 0.8125rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    color: var(--color-text-secondary);
    margin-bottom: 48px;
}

.members__nav {
    display: flex;
    gap: 12px;
}

.members__nav-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    color: var(--color-text-secondary);
    font-size: 0.8125rem;
    transition: all var(--transition-base);
}

.members__nav-btn:hover {
    border-color: rgba(255, 255, 255, 0.5);
    color: var(--color-text);
    background: rgba(255, 255, 255, 0.05);
}

/* 右カラム：スライダー */
.members__slider {
    position: relative;
    overflow: hidden;
}

.members__slider-track {
    display: flex;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.members__slide {
    flex: 0 0 calc(100% / 3);
    padding-right: 24px;
    box-sizing: border-box;
}

.members__slide-link {
    display: block;
}

.members__slide-image {
    width: 100%;
    aspect-ratio: 3 / 4;
    overflow: hidden;
    border-radius: 2px;
    position: relative;
}

.members__slide-img-second {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 1;
}

.members__slide-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    transition: opacity 0.5s ease;
    pointer-events: none;
    z-index: 2;
}

.members__slide.is-active .members__slide-image::after {
    opacity: 0;
}

.members__slide.no-transition .members__slide-image::after {
    transition: none;
}

.members__slide-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: opacity 0.3s ease;
}

.members__slide-placeholder {
    width: 100%;
    height: 100%;
    background: var(--color-surface);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    color: var(--color-text-muted);
    font-size: 0.75rem;
    line-height: 1.6;
}

.members__slide-info {
    padding: 28px 0 0;
}

.members__slide-name {
    font-size: 1.125rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    color: var(--color-text);
    margin-bottom: 8px;
}

.members__slide-role {
    font-size: 0.8125rem;
    font-weight: 400;
    color: var(--color-text-secondary);
    margin-bottom: 4px;
}

.members__slide-desc {
    font-size: 0.8125rem;
    font-weight: 400;
    line-height: 1.7;
    color: var(--color-text-secondary);
}

/* プログレスバー */
.members__progress {
    position: relative;
    width: 200px;
    height: 2px;
    background: rgba(255, 255, 255, 0.1);
    margin-top: 32px;
    border-radius: 1px;
    display: inline-block;
    vertical-align: middle;
}

.members__progress-fill {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    background: var(--color-text);
    border-radius: 1px;
    transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.members__progress-counter {
    font-size: 0.75rem;
    font-weight: 400;
    letter-spacing: 0.04em;
    color: var(--color-text-secondary);
    margin-left: 16px;
    vertical-align: middle;
}

.placeholder-icon {
    opacity: 0.3;
}

/* =============================================
   News Section（SONY風）
   ============================================= */
.news {
    background: transparent;
    position: relative;
}

.news__title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 300;
    letter-spacing: 0.02em;
    color: var(--color-text);
    margin-bottom: 12px;
}

.news__subtitle {
    font-size: 0.8125rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    color: var(--color-text-secondary);
    margin-bottom: 48px;
}

.news__content {
    display: block;
}

.news__list {
    border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.news__item {
    display: flex;
    align-items: center;
    gap: 24px;
    padding: 28px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    transition: opacity var(--transition-fast);
    color: inherit;
}

.news__item:hover {
    opacity: 0.7;
}

.news__item-body {
    flex: 1;
    min-width: 0;
}

.news__item-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 10px;
}

.news__item-date {
    font-size: 0.75rem;
    font-weight: 400;
    letter-spacing: 0.02em;
    color: var(--color-accent-light);
}

.news__item-tag {
    font-size: 0.6875rem;
    font-weight: 400;
    letter-spacing: 0.02em;
    color: var(--color-text-secondary);
}

.news__item-title {
    font-size: 1.0625rem;
    font-weight: 500;
    line-height: 1.7;
    color: var(--color-text);
    margin-bottom: 6px;
}

.news__item-desc {
    font-size: 0.8125rem;
    font-weight: 400;
    line-height: 1.6;
    color: var(--color-text-secondary);
}

/* =============================================
   Contact Section
   ============================================= */
.contact {
    background: transparent;
    position: relative;
}

.contact__inner,
.contact__form-wrapper {
    max-width: var(--container-width);
    margin: 0 auto;
}

.contact__header {
    margin-bottom: 56px;
}

.contact__en {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 300;
    letter-spacing: -0.02em;
    line-height: 1.1;
    color: var(--color-text);
    margin-bottom: 12px;
}

.contact__title {
    font-size: 0.8125rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    color: var(--color-text-secondary);
}

.contact__form,
.contact__form-wrapper .wpcf7-form {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.contact__form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.contact__form-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8125rem;
    font-weight: 500;
    letter-spacing: 0.04em;
    margin-bottom: 10px;
    color: var(--color-text-secondary);
}

.contact__required {
    font-size: 0.625rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    padding: 2px 8px;
    background: rgba(239, 68, 68, 0.15);
    color: #f87171;
    border-radius: 2px;
}

.contact__form-input,
.contact__form-select,
.contact__form-textarea {
    width: 100%;
    padding: 14px 16px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    color: var(--color-text);
    font-size: 0.875rem;
    line-height: 1.6;
    transition: border-color var(--transition-fast);
    outline: none;
}

.contact__form-input::placeholder,
.contact__form-textarea::placeholder {
    color: var(--color-text-muted);
}

.contact__form-input:focus,
.contact__form-select:focus,
.contact__form-textarea:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px var(--color-accent-glow);
}

.contact__form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%2360a5fa' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}

.contact__form-select option {
    background: var(--color-bg-card);
    color: var(--color-text);
}

.contact__form-textarea {
    resize: vertical;
    min-height: 160px;
}

.contact__form-group--checkbox {
    padding-top: 4px;
}

.contact__checkbox-label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    font-size: 0.8125rem;
}

.contact__form-checkbox {
    appearance: none;
    width: 18px;
    height: 18px;
    border: 1px solid var(--color-border-hover);
    border-radius: 3px;
    background: var(--color-bg-card);
    cursor: pointer;
    position: relative;
    flex-shrink: 0;
    transition: all var(--transition-fast);
}

.contact__form-checkbox:checked {
    background: var(--color-accent);
    border-color: var(--color-accent);
}

.contact__form-checkbox:checked::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 5px;
    width: 5px;
    height: 9px;
    border: solid #fff;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.contact__checkbox-text {
    color: var(--color-text-secondary);
}

.contact__checkbox-text a {
    color: var(--color-accent-light);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.contact__checkbox-text a:hover {
    color: var(--color-accent);
}

.contact__form-submit {
    text-align: center;
    padding-top: 12px;
}

.contact__form-wrapper .wpcf7 form.sent .wpcf7-response-output,
.contact__form-wrapper .wpcf7 form.failed .wpcf7-response-output,
.contact__form-wrapper .wpcf7 form.invalid .wpcf7-response-output {
    border: none !important;
}

.contact__submit-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    padding: 16px 56px;
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-text);
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 2px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.contact__submit-btn:hover {
    background: rgba(255, 255, 255, 0.18);
    border-color: rgba(255, 255, 255, 0.4);
}

.wpcf7-spinner {
    display: none;
}

.contact__submit-btn::after {
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    content: "\f1d8";
    margin-left: 4px;
}

/* =============================================
   Footer（黒ベース）
   ============================================= */
.footer {
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

/* Bottom Bar */
.footer__bottom {
    padding: 40px 0 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer__bottom-sns {
    display: flex;
    align-items: center;
    gap: 24px;
    margin-bottom: 32px;
}

.footer__bottom-sns-label {
    font-size: 0.8125rem;
    font-weight: 400;
    letter-spacing: 0.04em;
    color: var(--color-text-secondary);
}

.footer__bottom-sns-links {
    display: flex;
    gap: 20px;
}

.footer__bottom-sns-links a {
    font-size: 1.25rem;
    color: var(--color-text);
    transition: opacity var(--transition-fast);
}

.footer__bottom-sns-links a:hover {
    opacity: 0.6;
}

.footer__bottom-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer__bottom-links {
    display: flex;
    gap: 24px;
}

.footer__bottom-links a {
    font-size: 0.6875rem;
    font-weight: 400;
    letter-spacing: 0.02em;
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

.footer__bottom-links a:hover {
    color: var(--color-text);
}

.footer__copyright {
    font-size: 0.6875rem;
    font-weight: 400;
    letter-spacing: 0.02em;
    color: var(--color-text-muted);
}

/* =============================================
   Page Hero（下層ページ共通）
   ============================================= */
.page-hero {
    margin-top: var(--header-height);
    padding: 80px 0;
    position: relative;
    overflow: hidden;
    min-height: 40vh;
    display: flex;
    align-items: flex-end;
}

.page-hero__bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

.page-hero__bg-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.25;
}

.page-hero__bg-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(
        135deg,
        rgba(59, 130, 246, 0.06) 0%,
        rgba(59, 130, 246, 0.12) 30%,
        rgba(100, 80, 200, 0.08) 60%,
        rgba(59, 130, 246, 0.04) 100%
    );
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.12);
    font-size: 0.8125rem;
    text-align: center;
    line-height: 1.6;
}

.page-hero .container {
    position: relative;
    z-index: 1;
    width: 100%;
    text-align: left;
}

.page-hero__en {
    font-size: clamp(3rem, 7vw, 5rem);
    font-weight: 300;
    letter-spacing: -0.02em;
    line-height: 1.1;
    color: var(--color-text);
    margin-bottom: 16px;
}

.page-hero__title {
    font-size: 0.8125rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    color: var(--color-text-secondary);
}

/* =============================================
   Company Vision Section
   ============================================= */
.company-vision__header {
    margin-bottom: 56px;
}

.company-vision__en {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 300;
    letter-spacing: -0.02em;
    line-height: 1.1;
    color: var(--color-text);
    margin-bottom: 12px;
}

.company-vision__subtitle {
    font-size: 0.8125rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    color: var(--color-text-secondary);
}

.company-vision__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.company-vision__heading {
    font-size: clamp(1.25rem, 2.5vw, 1.75rem);
    font-weight: 700;
    letter-spacing: 0.08em;
    line-height: 1.9;
    color: var(--color-text);
    margin-bottom: 32px;
}

.company-vision__text {
    font-size: 0.9375rem;
    font-weight: 400;
    line-height: 2;
    color: var(--color-text-secondary);
    margin-bottom: 20px;
}

.company-vision__text:last-child {
    margin-bottom: 0;
}

.company-vision__image-placeholder {
    width: 100%;
    aspect-ratio: 4 / 3;
    background: var(--color-surface);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
    font-size: 0.8125rem;
    text-align: center;
    line-height: 1.6;
    border-radius: 2px;
}

/* =============================================
   Company Business Section
   ============================================= */
.company-business__header {
    margin-bottom: 56px;
}

.company-business__en {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 300;
    letter-spacing: -0.02em;
    line-height: 1.1;
    color: var(--color-text);
    margin-bottom: 12px;
}

.company-business__subtitle {
    font-size: 0.8125rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    color: var(--color-text-secondary);
}

.company-business__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.company-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    padding: 40px 32px;
    transition: all var(--transition-base);
}

.company-card:hover {
    background: var(--color-bg-card-hover);
    border-color: var(--color-border-hover);
    transform: translateY(-4px);
}

.company-card__heading {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
}

.company-card__icon {
    font-size: 1.5rem;
    color: var(--color-accent-light);
    flex-shrink: 0;
}

.company-card__title {
    font-size: 1.125rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    color: var(--color-text);
}

.company-card__text {
    font-size: 0.875rem;
    font-weight: 400;
    line-height: 1.9;
    color: var(--color-text-secondary);
}

/* =============================================
   Company Info Section
   ============================================= */
.company-info__header {
    margin-bottom: 56px;
}

.company-info__en {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 300;
    letter-spacing: -0.02em;
    line-height: 1.1;
    color: var(--color-text);
    margin-bottom: 12px;
}

.company-info__subtitle {
    font-size: 0.8125rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    color: var(--color-text-secondary);
}

.company-table {
    width: 100%;
    border-collapse: collapse;
}

.company-table tr {
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.company-table th,
.company-table td {
    padding: 24px 0;
    font-size: 0.9375rem;
    font-weight: 400;
    line-height: 1.8;
    text-align: left;
    vertical-align: top;
}

.company-table th {
    width: 180px;
    color: var(--color-text-secondary);
    font-weight: 500;
    letter-spacing: 0.04em;
    padding-right: 40px;
}

.company-table td {
    color: var(--color-text);
}

/* Access Section */
.company-access__header {
    margin-bottom: 56px;
}

.company-access__en {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 300;
    letter-spacing: -0.02em;
    color: var(--color-text-muted);
    line-height: 1;
    margin-bottom: 12px;
}

.company-access__subtitle {
    font-size: 1rem;
    font-weight: 400;
    color: var(--color-text);
    letter-spacing: 0.1em;
}

.company-access__map {
    width: 100%;
    border-radius: 2px;
    overflow: hidden;
    margin-bottom: 20px;
}

.company-access__map iframe {
    display: block;
    width: 100%;
    height: 450px;
}

.company-access__address {
    font-size: 0.9375rem;
    color: var(--color-text-muted);
    letter-spacing: 0.02em;
}

/* =============================================
   Project Overview Section
   ============================================= */
.project-overview__header {
    margin-bottom: 56px;
}

.project-overview__en {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 300;
    letter-spacing: -0.02em;
    line-height: 1.1;
    color: var(--color-text);
    margin-bottom: 12px;
}

.project-overview__subtitle {
    font-size: 0.8125rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    color: var(--color-text-secondary);
}

.project-overview__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.project-overview__heading {
    font-size: clamp(1.25rem, 2.5vw, 1.75rem);
    font-weight: 700;
    letter-spacing: 0.08em;
    line-height: 1.9;
    color: var(--color-text);
    margin-bottom: 32px;
}

.project-overview__text {
    font-size: 0.9375rem;
    font-weight: 400;
    line-height: 2;
    color: var(--color-text-secondary);
    margin-bottom: 20px;
}

.project-overview__text:last-child {
    margin-bottom: 0;
}

.project-overview__image-placeholder {
    width: 100%;
    aspect-ratio: 4 / 3;
    background: var(--color-surface);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
    font-size: 0.8125rem;
    text-align: center;
    line-height: 1.6;
    border-radius: 2px;
}

/* =============================================
   Project Activities Section (Sticky Scroll)
   ============================================= */
.project-activities__header {
    margin-bottom: 56px;
}

.project-activities__en {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 300;
    letter-spacing: -0.02em;
    line-height: 1.1;
    color: var(--color-text);
    margin-bottom: 12px;
}

.project-activities__subtitle {
    font-size: 0.8125rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    color: var(--color-text-secondary);
}

.project-activities__sticky-wrap {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

/* 左カラム: スティッキー画像 */
.project-activities__image-col {
    position: relative;
}

.project-activities__image-sticky {
    position: sticky;
    top: calc(var(--header-height) + 40px);
}

.project-activities__image-frame {
    position: relative;
    width: 100%;
    aspect-ratio: 4 / 3;
    overflow: hidden;
    border-radius: 2px;
}

.project-activities__slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.project-activities__slide.is-active {
    opacity: 1;
}

.project-activities__slide-placeholder {
    width: 100%;
    height: 100%;
    background: var(--color-surface);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
    font-size: 0.8125rem;
    text-align: center;
    line-height: 1.6;
}

/* 右カラム: スクロールテキスト */
.project-activities__text-col {
    display: flex;
    flex-direction: column;
}

.project-activity {
    padding: 48px 0;
    border-bottom: 1px solid var(--color-border);
    opacity: 0.35;
    transition: opacity 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.project-activity:first-child {
    padding-top: 0;
}

/* SP用画像: PCでは非表示 */
.project-activity__image-sp {
    display: none;
}

.project-activity:last-child {
    border-bottom: none;
}

.project-activity.is-active {
    opacity: 1;
}

.project-activity__number {
    display: block;
    font-size: 0.75rem;
    font-weight: 400;
    letter-spacing: 0.08em;
    color: var(--color-accent-light);
    margin-bottom: 16px;
}

.project-activity__title {
    font-size: 1.375rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    line-height: 1.6;
    color: var(--color-text);
    margin-bottom: 20px;
}

.project-activity__text {
    font-size: 0.9375rem;
    font-weight: 400;
    line-height: 2;
    color: var(--color-text-secondary);
}

/* =============================================
   Partners Intro Section
   ============================================= */
.partners-intro {
    padding-bottom: 0;
}

.partners-intro__text {
    font-size: 0.9375rem;
    font-weight: 400;
    line-height: 2;
    color: var(--color-text-secondary);
    text-align: center;
}

/* =============================================
   Partners Rank Section
   ============================================= */
.partners-rank {
    padding: 80px 0;
}

.partners-rank__header {
    margin-bottom: 40px;
}

.partners-rank__en {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 300;
    letter-spacing: -0.02em;
    line-height: 1.1;
    color: var(--color-text);
    margin-bottom: 8px;
}

.partners-rank__subtitle {
    font-size: 0.8125rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    color: var(--color-text-secondary);
}

.partners-rank__grid {
    display: grid;
    gap: 24px;
}

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

.partners-rank__grid--gold {
    grid-template-columns: repeat(3, 1fr);
}

.partners-rank__grid--silver {
    grid-template-columns: repeat(4, 1fr);
}

.partners-rank__grid--bronze {
    grid-template-columns: repeat(6, 1fr);
}

.partner-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    transition: all var(--transition-base);
}

.partner-logo:hover {
    background: var(--color-bg-card-hover);
    border-color: var(--color-border-hover);
}

.partner-logo--platinum {
    padding: 48px 32px;
}

.partner-logo--gold {
    padding: 40px 24px;
}

.partner-logo--silver {
    padding: 32px 20px;
}

.partner-logo--bronze {
    padding: 24px 16px;
}

.partner-logo__placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
    font-size: 0.8125rem;
    text-align: center;
}

.partner-logo--platinum .partner-logo__placeholder {
    font-size: 1rem;
}

/* =============================================
   Partners CTA Section
   ============================================= */
.partners-cta {
    padding-bottom: 0;
}

.partners-cta__inner {
    text-align: center;
    padding: 80px 40px;
    background: var(--color-bg-card);
}

.partners-cta__title {
    font-size: clamp(1.25rem, 2.5vw, 1.75rem);
    font-weight: 700;
    letter-spacing: 0.08em;
    line-height: 1.8;
    color: var(--color-text);
    margin-bottom: 24px;
}

.partners-cta__text {
    font-size: 0.9375rem;
    font-weight: 400;
    line-height: 2;
    color: var(--color-text-secondary);
    margin-bottom: 40px;
}

.partners-cta__btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    padding: 16px 48px;
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-text);
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

.partners-cta__btn:hover {
    background: rgba(255, 255, 255, 0.18);
    border-color: rgba(255, 255, 255, 0.4);
}

/* =============================================
   Members List Page
   ============================================= */
.members-list__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.member-card {
    position: relative;
    border-radius: 2px;
    overflow: hidden;
}

.member-card__link {
    display: block;
    position: relative;
}

.member-card__img {
    width: 100%;
    aspect-ratio: 3 / 4;
    object-fit: cover;
    display: block;
    transition: transform var(--transition-slow);
}

.member-card:hover .member-card__img {
    transform: scale(1.05);
}

.member-card__img-second {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    aspect-ratio: 3 / 4;
    object-fit: cover;
    opacity: 0;
    transition: opacity 0.3s ease, transform var(--transition-slow);
    z-index: 1;
}

.member-card:hover .member-card__img-second {
    opacity: 1;
    transform: scale(1.05);
}

.member-card__placeholder {
    width: 100%;
    aspect-ratio: 3 / 4;
    background: var(--color-surface);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    color: var(--color-text-muted);
    font-size: 0.8125rem;
    transition: transform var(--transition-slow);
}

.member-card:hover .member-card__placeholder {
    transform: scale(1.05);
}

.member-card__placeholder svg {
    opacity: 0.5;
}

.member-card__overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 24px 20px;
    background: rgba(0, 0, 0, 0.7);
    opacity: 0;
    transform: translateY(8px);
    transition: opacity var(--transition-base), transform var(--transition-base);
    z-index: 2;
}

.member-card:hover .member-card__overlay {
    opacity: 1;
    transform: translateY(0);
}

.member-card__role {
    font-size: 0.6875rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    color: var(--color-accent-light);
    margin-bottom: 6px;
}

.member-card__name {
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    color: var(--color-white);
}

/* =============================================
   Member Detail Page
   ============================================= */
.page-hero--compact {
    min-height: 28vh;
}

.member-detail__breadcrumb {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    margin-bottom: 48px;
}

.member-detail__breadcrumb a {
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

.member-detail__breadcrumb a:hover {
    color: var(--color-accent-light);
}

.member-detail__breadcrumb-sep {
    margin: 0 12px;
}

.member-detail__grid {
    display: grid;
    grid-template-columns: 4fr 6fr;
    gap: 60px;
    align-items: start;
}

.member-detail__photo-img {
    width: 100%;
    aspect-ratio: 4 / 5;
    object-fit: cover;
    border-radius: 2px;
    display: block;
}

.member-detail__photo-placeholder {
    width: 100%;
    aspect-ratio: 4 / 5;
    background: var(--color-surface);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    color: var(--color-text-muted);
    font-size: 0.8125rem;
    border-radius: 2px;
}

.member-detail__photo-placeholder svg {
    opacity: 0.4;
}

.member-detail__role {
    font-size: 0.8125rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    color: var(--color-accent-light);
    margin-bottom: 16px;
}

.member-detail__name {
    font-size: clamp(1.75rem, 3.5vw, 2.5rem);
    font-weight: 700;
    letter-spacing: 0.06em;
    line-height: 1.4;
    color: var(--color-text);
    margin-bottom: 8px;
}

.member-detail__name-en {
    font-size: 0.875rem;
    font-weight: 300;
    letter-spacing: 0.08em;
    color: var(--color-text-muted);
    margin-bottom: 40px;
}

.member-detail__profile {
    margin-bottom: 40px;
}

.member-detail__profile-heading {
    font-size: 0.8125rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    color: var(--color-text-secondary);
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--color-border);
}

.member-detail__profile-text {
    font-size: 0.9375rem;
    font-weight: 400;
    line-height: 2;
    color: var(--color-text-secondary);
    margin-bottom: 16px;
}

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

.member-detail__sns-heading {
    font-size: 0.8125rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    color: var(--color-text-secondary);
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--color-border);
}

.member-detail__sns-links {
    display: flex;
    gap: 16px;
}

.member-detail__sns-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 50%;
    transition: all var(--transition-fast);
}

.member-detail__sns-link:hover {
    color: var(--color-text);
    background: var(--color-bg-card-hover);
    border-color: var(--color-border-hover);
}

.member-detail__back {
    margin-top: 80px;
    padding-top: 40px;
    border-top: 1px solid var(--color-border);
}

.member-detail__back-link {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.04em;
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

.member-detail__back-link:hover {
    color: var(--color-accent-light);
}

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

/* Tablet */
@media (max-width: 1024px) {
    .section {
        padding: 80px 0;
    }

    .header__nav {
        display: none;
    }

    .header__inner {
        padding: 0 24px;
    }

    .mission {
        padding: 120px 0 140px;
        min-height: 70vh;
    }

    .mission__bg-image {
        width: 75%;
        right: -10%;
        opacity: 0.25;
    }

    .mission__en {
        font-size: 3.5rem;
    }

    .mission__title {
        font-size: 1.75rem;
    }

    .members__container {
        grid-template-columns: 200px 1fr;
        gap: 32px;
        padding: 0 32px;
    }

    .members__slide {
        flex: 0 0 50%;
    }


    .footer__bottom-bar {
        flex-direction: column;
        gap: 16px;
        align-items: flex-start;
    }

    /* Company page - Tablet */
    .company-vision__grid {
        gap: 40px;
    }

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

    /* Project page - Tablet */
    .project-overview__grid {
        gap: 40px;
    }

    .project-activities__sticky-wrap {
        gap: 40px;
    }

    /* Partners page - Tablet */
    .partners-rank__grid--bronze {
        grid-template-columns: repeat(3, 1fr);
    }

    /* Members page - Tablet */
    .members-list__grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }

    /* Member Detail - Tablet */
    .member-detail__grid {
        gap: 40px;
    }
}

/* Mobile */
@media (max-width: 768px) {
    :root {
        --header-height: 56px;
    }

    .section {
        padding: 64px 0;
    }

    .container {
        padding: 0 20px;
    }

    .mv {
        height: 250vh;
    }

    .mv__image-area {
        left: 5%;
        right: 5%;
        bottom: calc(60px + 3vh);
    }

    .mv__caption {
        height: 60px;
    }

    .mv__caption-text {
        font-size: 0.6875rem;
        padding: 0 16px;
        text-align: center;
    }

    .mv__controls {
        right: 20px;
        top: calc(var(--header-height) + 12px);
    }

    .mv__progress {
        right: 20px;
    }

    .mv__progress-bar {
        height: 28px;
    }

    .mission {
        padding: 80px 0 100px;
        min-height: auto;
    }

    .mission__bg-image {
        width: 100%;
        right: 0;
        opacity: 0.2;
    }

    .mission__en {
        font-size: 2.5rem;
        margin-bottom: 12px;
    }

    .mission__label {
        margin-bottom: 32px;
    }

    .mission__title {
        font-size: 1.375rem;
        letter-spacing: 0.08em;
        line-height: 1.9;
        margin-bottom: 40px;
    }

    .members__container {
        grid-template-columns: 1fr;
        padding: 0 20px;
    }

    .members__header {
        display: block;
        margin-bottom: 24px;
    }

    .members__en {
        font-size: 1.75rem;
        margin-bottom: 8px;
    }

    .members__title {
        margin-bottom: 20px;
    }

    .members__nav {
        display: flex;
        gap: 12px;
    }

    .members__slide {
        flex: 0 0 50%;
    }

    .news__title {
        font-size: 1.5rem;
        margin-bottom: 28px;
    }

    .news__item-title {
        font-size: 0.9375rem;
    }

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

    .contact__submit-btn {
        width: 100%;
        justify-content: center;
    }

    .footer__bottom-sns {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }

    .footer__bottom-links {
        flex-wrap: wrap;
        gap: 16px;
    }

    .mobile-nav__list {
        padding: 32px 28px;
    }

    .mobile-nav__item a {
        font-size: 1.125rem;
        padding: 20px 0;
    }

    .mobile-nav__cta {
        padding: 0 28px 32px;
    }

    /* Company page - Mobile */
    .page-hero {
        padding: 48px 0;
        min-height: 30vh;
    }

    .page-hero__en {
        font-size: 2.5rem;
    }

    .company-vision__grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .company-vision__image {
        order: -1;
    }

    .company-business__grid {
        grid-template-columns: 1fr;
    }

    .company-card {
        padding: 32px 24px;
    }

    .company-table th {
        display: block;
        width: 100%;
        padding-bottom: 4px;
        padding-right: 0;
    }

    .company-table td {
        display: block;
        padding-top: 0;
        padding-bottom: 24px;
    }

    /* Project page - Mobile */
    .project-overview__grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .project-activities__sticky-wrap {
        display: block;
    }

    .project-activities__image-col {
        display: none;
    }

    .project-activity {
        padding: 32px 0;
        opacity: 1;
    }

    .project-activity:first-child {
        padding-top: 0;
    }

    .project-activity__image-sp {
        display: block;
        margin-bottom: 24px;
    }

    .project-activity__image-sp .project-activities__slide-placeholder {
        aspect-ratio: 4 / 3;
        border-radius: 2px;
    }

    /* Partners page - Mobile */
    .partners-intro__text {
        text-align: left;
    }

    .partners-rank__grid--platinum {
        grid-template-columns: 1fr;
    }

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

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

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

    .partners-cta__inner {
        padding: 48px 24px;
    }

    /* Members page - Mobile */
    .members-list__grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .member-card__overlay {
        opacity: 1;
        transform: translateY(0);
        padding: 16px 14px;
    }

    .member-card__name {
        font-size: 0.875rem;
    }

    .member-card__role {
        font-size: 0.625rem;
    }

    /* Member Detail - Mobile */
    .page-hero--compact {
        min-height: 20vh;
    }

    .member-detail__grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .member-detail__photo {
        max-width: 400px;
    }

    .member-detail__back {
        margin-top: 48px;
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    .news__title {
        font-size: 1.25rem;
    }

    .news__item-title {
        font-size: 0.875rem;
    }

    .news__item-desc {
        display: none;
    }

    .members__slide {
        flex: 0 0 100%;
        padding-right: 0;
    }

    /* Members page - Small Mobile */
    .members-list__grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
}

/* =============================================
   404ページ
   ============================================= */
.error-404__content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 80px 0;
}

.error-404__code {
    font-size: clamp(3rem, 7vw, 5rem);
    font-weight: 300;
    letter-spacing: -0.02em;
    line-height: 1.1;
    color: #ffffff;
    margin-bottom: 24px;
}

.error-404__message {
    font-size: clamp(0.875rem, 1.2vw, 1rem);
    color: var(--color-text-secondary);
    line-height: 2;
    margin-bottom: 48px;
}

.error-404__btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    padding: 16px 40px;
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-text);
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 2px;
    text-decoration: none;
    transition: all var(--transition-fast);
}

.error-404__btn:hover {
    background: rgba(255, 255, 255, 0.18);
    border-color: rgba(255, 255, 255, 0.4);
}

/* =============================================
   WordPress 管理バー対応
   ============================================= */
body.admin-bar .header {
    top: 32px;
}

@media (max-width: 782px) {
    body.admin-bar .header {
        top: 46px;
    }
}