:root {
      --primary: #c62828;
      --primary-dark: #8e1d1d;
      --primary-light: #d84a4a;
      --primary-gradient: linear-gradient(135deg, #8e1d1d 0%, #cf4646 50%, #8e1d1d 100%);
      --secondary: #ffffff;
      --secondary-light: #ffffff;
      --secondary-dark: #c62828;
      --accent: #c9a227;
      
      --text-main: #222222;
      --text-sub: #555555;
      --text-light: #888888;
      --text-white: #ffffff;
      
      --bg-main: #ffffff;
      --bg-sub: #f5f7f5;
      --bg-dark: #c62828;
      --bg-darker: #0d2818;
      
      --border: #e0e0e0;
      --border-light: #f0f0f0;
      
      --font-main: 'Noto Sans JP', sans-serif;
      --font-accent: 'Oswald', sans-serif;
      
      --text-xs: 12px;
      --text-sm: 14px;
      --text-base: 16px;
      --text-lg: 18px;
      --text-xl: 24px;
      --text-2xl: 32px;
      --text-3xl: 48px;
      --text-4xl: 64px;
      
      --line-height: 1.8;
      
      --space-xs: 8px;
      --space-sm: 16px;
      --space-md: 24px;
      --space-lg: 48px;
      --space-xl: 80px;
      --space-2xl: 120px;
      
      --radius-sm: 4px;
      --radius-md: 8px;
      --radius-lg: 16px;
      --radius-full: 9999px;
      
      --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
      --shadow-md: 0 4px 16px rgba(0,0,0,0.12);
      --shadow-lg: 0 8px 32px rgba(0,0,0,0.16);
      --shadow-glow: 0 0 20px rgba(201, 162, 39, 0.4);
      
      --transition: 0.3s ease;
      --transition-fast: 0.15s ease;
      
      --content-width: 1200px;
      --content-narrow: 800px;
    }

    *, *::before, *::after { box-sizing: border-box; }
    body { font-family: var(--font-main); font-size: var(--text-base); line-height: var(--line-height); color: var(--text-main); background: var(--bg-main); margin: 0; padding: 0; }
    img { max-width: 100%; height: auto; }
    
    .shobi-header { position: fixed; top: 0; left: 0; width: 100%; background: var(--primary-gradient); z-index: 1000; transition: var(--transition); }
    .shobi-header.is-scrolled { box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3); }
    .shobi-header__inner { max-width: var(--content-width); margin: 0 auto; padding: 0 var(--space-md); display: flex; justify-content: space-between; align-items: center; height: 70px; }
    @media (min-width: 1024px) { .shobi-header__inner { height: 80px; } }
    .shobi-header__logo { display: flex; align-items: center; gap: var(--space-sm); text-decoration: none; }
    .shobi-header__logo-text { font-family: var(--font-accent); font-size: 24px; font-weight: 700; color: var(--text-white); letter-spacing: 0.05em; }
    .shobi-header__logo-text span { color: var(--secondary); }
    @media (min-width: 1024px) { .shobi-header__logo-text { font-size: 28px; } }
    .shobi-header__nav { display: none; }
    @media (min-width: 1024px) { .shobi-header__nav { display: flex; align-items: center; gap: 0; } }
    .shobi-header__nav-item { position: relative; color: var(--text-white); text-decoration: none; font-size: var(--text-sm); font-weight: 500; padding: var(--space-md) var(--space-sm); transition: var(--transition); display: flex; flex-direction: column; align-items: center; gap: 2px; }
    .shobi-header__nav-item::before { content: ''; position: absolute; bottom: 10px; left: 50%; transform: translateX(-50%); width: 0; height: 3px; background: var(--secondary); transition: var(--transition); }
    .shobi-header__nav-item:hover::before { width: 30px; }
    .shobi-header__nav-item:hover { color: var(--secondary); }
    .shobi-header__nav-item.is-current { color: var(--secondary); }
    .shobi-header__nav-item.is-current::before { width: 30px; }
    .shobi-header__nav-en { font-family: var(--font-accent); font-size: var(--text-xs); letter-spacing: 0.1em; opacity: 0.7; }
    .shobi-header__nav-jp { font-size: 11px; }
    .shobi-header__cta { display: none; }
    @media (min-width: 1024px) { .shobi-header__cta { display: inline-flex; align-items: center; justify-content: center; padding: var(--space-xs) calc(var(--space-md) / 2); background: var(--text-white); color: var(--secondary-dark); text-decoration: none; font-size: var(--text-sm); font-weight: 700; border-radius: var(--radius-sm); transition: var(--transition); margin-left: var(--space-sm); } .shobi-header__cta:hover { background: var(--secondary-light); color: var(--secondary-dark); transform: translateY(-2px); box-shadow: var(--shadow-glow); } }
    .shobi-header__menu-btn { position: relative; display: flex; justify-content: center; align-items: center; width: 44px; height: 44px; background: var(--secondary); border: none; border-radius: var(--radius-sm); cursor: pointer; transition: var(--transition); }
    @media (min-width: 1024px) { .shobi-header__menu-btn { display: none; } }
    .shobi-header__menu-btn span { position: absolute; display: block; width: 20px; height: 2px; background: var(--primary-dark); transition: var(--transition); transform-origin: center; }
    .shobi-header__menu-btn span:nth-child(1) { top: 14px; }
    .shobi-header__menu-btn span:nth-child(2) { top: 21px; }
    .shobi-header__menu-btn span:nth-child(3) { top: 28px; }
    .shobi-header__menu-btn.is-active span:nth-child(1) { top: 21px; transform: rotate(45deg); }
    .shobi-header__menu-btn.is-active span:nth-child(2) { opacity: 0; }
    .shobi-header__menu-btn.is-active span:nth-child(3) { top: 21px; transform: rotate(-45deg); }
    .shobi-header__mobile-nav { display: none; position: fixed; top: 70px; left: 0; width: 100%; height: calc(100vh - 70px); background: var(--primary-gradient); padding: var(--space-md); overflow-y: auto; }
    .shobi-header__mobile-nav.is-open { display: block; }
    @media (min-width: 1024px) { .shobi-header__mobile-nav { display: none !important; } }
    .shobi-header__mobile-nav-item { display: flex; justify-content: space-between; align-items: center; padding: var(--space-md) 0; color: var(--text-white); text-decoration: none; font-size: var(--text-base); font-weight: 500; border-bottom: 1px solid var(--primary-light); transition: var(--transition); }
    .shobi-header__mobile-nav-item:hover { color: var(--secondary); }
    .shobi-header__mobile-nav-item.is-current { color: var(--secondary); }
    .shobi-header__mobile-nav-en { font-family: var(--font-accent); font-size: var(--text-xs); opacity: 0.6; letter-spacing: 0.1em; }
    .shobi-header__mobile-cta { display: block; margin-top: var(--space-lg); padding: var(--space-md) calc(var(--space-md) / 2); background: var(--text-white); color: var(--secondary-dark); text-decoration: none; text-align: center; font-weight: 700; font-size: var(--text-base); border-radius: var(--radius-sm); transition: var(--transition); }
    .shobi-header__mobile-cta:hover { background: var(--secondary-light); color: var(--secondary-dark); }
    .shobi-header__sns { display: flex; gap: var(--space-sm); margin-top: var(--space-lg); justify-content: center; }
    .shobi-header__sns-link { display: flex; align-items: center; justify-content: center; width: 44px; height: 44px; background: var(--primary-light); color: var(--text-white); text-decoration: none; font-size: var(--text-sm); font-weight: 700; border-radius: var(--radius-sm); transition: var(--transition); }
    .shobi-header__sns-link:hover { background: var(--secondary); color: var(--primary-dark); }

    .shobi-hero { position: relative; width: 100%; height: 0; padding-bottom: 100%; overflow: hidden; background: #000000; margin-top: 70px; }
    @media (min-width: 768px) { .shobi-hero { height: 100vh; padding-bottom: 0; margin-top: 0; } }
    .shobi-hero__bg { position: absolute; top: 0; left: 0; width: 100%; height: 100%; z-index: 1; }
    .shobi-hero__slide { position: absolute; top: 0; left: 0; width: 100%; height: 100%; opacity: 0; animation: heroSlide 25s infinite; }
    .shobi-hero__slide:nth-child(1) { animation-delay: 0s; }
    .shobi-hero__slide:nth-child(2) { animation-delay: 5s; }
    .shobi-hero__slide:nth-child(3) { animation-delay: 10s; }
    .shobi-hero__slide:nth-child(4) { animation-delay: 15s; }
    .shobi-hero__slide:nth-child(5) { animation-delay: 20s; }
    @keyframes heroSlide { 0% { opacity: 0; } 4% { opacity: 1; } 16% { opacity: 1; } 20% { opacity: 0; } 100% { opacity: 0; } }
    .shobi-hero__slide img { width: 100%; height: 100%; object-fit: cover; object-position: center center; }
    .shobi-hero__bg::after { content: none; }
    .shobi-hero__diagonal { display: none; }
    .shobi-hero__inner { position: absolute; left: 5%; right: 5%; bottom: 20px; z-index: 4; width: auto; padding: var(--space-sm); text-align: left; }
    @media (min-width: 768px) { .shobi-hero__inner { left: 8%; right: auto; bottom: 40px; width: 50%; padding: var(--space-xl) var(--space-md); } }
    .shobi-hero__subtitle { display: inline-block; font-family: var(--font-accent); font-size: 6px; font-weight: 600; color: #111111; letter-spacing: 0.05em; margin-bottom: 6px; padding: 3px 6px; border: 1px solid #111111; border-radius: var(--radius-sm); text-shadow: none; }
    @media (min-width: 768px) { .shobi-hero__subtitle { font-size: var(--text-base); letter-spacing: 0.2em; margin-bottom: var(--space-md); padding: var(--space-xs) var(--space-md); } }
    .shobi-hero__title { font-family: var(--font-accent); font-size: 18px; font-weight: 700; color: #111111; line-height: 1.1; margin-bottom: 6px; letter-spacing: 0.05em; text-shadow: none; }
    @media (min-width: 768px) { .shobi-hero__title { font-size: 56px; margin-bottom: var(--space-md); } }
    @media (min-width: 1024px) { .shobi-hero__title { font-size: 72px; } }
    .shobi-hero__title-accent { color: var(--secondary); }
    .shobi-hero__description { font-size: 8px; color: #111111; opacity: 1; margin-bottom: 8px; line-height: 1.5; max-width: 500px; text-shadow: none; }
    @media (min-width: 768px) { .shobi-hero__description { font-size: var(--text-lg); margin-bottom: var(--space-lg); } }
    .shobi-hero__buttons { display: flex; flex-direction: row; gap: 4px; align-items: flex-start; }
    @media (min-width: 768px) { .shobi-hero__buttons { gap: var(--space-md); } }
    .shobi-hero__btn { display: inline-flex; align-items: center; justify-content: center; padding: 5px 4px; font-size: 7px; font-weight: 700; text-decoration: none; border-radius: var(--radius-sm); transition: var(--transition); min-width: auto; border: 1px solid transparent; box-sizing: border-box; }
    @media (min-width: 768px) { .shobi-hero__btn { padding: var(--space-md) calc(var(--space-xl) / 2); font-size: var(--text-base); min-width: 180px; border-width: 2px; } }
    .shobi-hero__btn--primary { background: var(--primary); color: var(--text-white); border-color: var(--primary); box-shadow: 0 4px 20px rgba(198, 40, 40, 0.35); }
    .shobi-hero__btn--primary:hover { background: var(--primary-dark); color: var(--text-white); border-color: var(--primary-dark); transform: translateY(-3px); box-shadow: 0 8px 30px rgba(198, 40, 40, 0.45); }
    .shobi-hero__btn--outline { background: var(--primary); color: var(--text-white); border-color: var(--primary); }
    .shobi-hero__btn--outline:hover { background: var(--primary-dark); color: var(--text-white); border-color: var(--primary-dark); }
    .shobi-hero__scroll { position: absolute; bottom: 80px; left: 50%; transform: translateX(-50%); z-index: 4; text-align: center; display: none; }
    @media (min-width: 768px) { .shobi-hero__scroll { display: block; bottom: 180px; } }
    .shobi-hero__scroll-text { font-family: var(--font-accent); font-size: var(--text-xs); color: var(--text-white); letter-spacing: 0.2em; opacity: 0.7; margin-bottom: var(--space-xs); }
    .shobi-hero__scroll-line { width: 1px; height: 50px; background: linear-gradient(to bottom, var(--secondary), transparent); margin: 0 auto; animation: scrollPulse 2s ease-in-out infinite; }
    .shobi-hero-copy { padding: var(--space-md) var(--space-md) var(--space-lg); background: var(--bg-main); }
    @media (min-width: 768px) { .shobi-hero-copy { padding: var(--space-lg) var(--space-md); } }
    .shobi-hero-copy .shobi-hero__inner { position: static; left: auto; right: auto; bottom: auto; width: 100%; max-width: var(--content-width); margin: 0 auto; padding: 0; }
    .shobi-hero-copy .shobi-hero__subtitle { color: #111111; border-color: #111111; text-shadow: none; }
    .shobi-hero-copy .shobi-hero__title { color: #111111; text-shadow: none; }
    .shobi-hero-copy .shobi-hero__description { color: #111111; text-shadow: none; opacity: 1; }
    .shobi-hero-copy .shobi-hero__btn--primary { background: var(--primary); color: var(--text-white); border-color: var(--primary); box-shadow: none; }
    .shobi-hero-copy .shobi-hero__btn--primary:hover { background: var(--primary-dark); color: var(--text-white); border-color: var(--primary-dark); box-shadow: none; transform: none; }
    .shobi-hero-copy__sns { display: flex; justify-content: flex-end; gap: var(--space-xs); margin-top: var(--space-sm); }
    .shobi-hero-copy__sns-link { display: inline-flex; align-items: center; justify-content: center; width: 42px; height: 42px; background: #ffffff; border: 1px solid var(--border); border-radius: var(--radius-sm); text-decoration: none; transition: var(--transition); }
    .shobi-hero-copy__sns-link:hover { transform: translateY(-2px); box-shadow: var(--shadow-sm); }
    .shobi-hero-copy__sns-icon { width: 28px; height: 28px; display: block; }
    @keyframes scrollPulse { 0%, 100% { opacity: 0.3; transform: scaleY(0.8); } 50% { opacity: 1; transform: scaleY(1); } }

    .shobi-news { padding: var(--space-xl) var(--space-md); background: var(--bg-main); }
    @media (min-width: 768px) { .shobi-news { padding: var(--space-2xl) var(--space-md); } }
    .shobi-news__inner { max-width: var(--content-width); margin: 0 auto; }
    .shobi-news__header { display: flex; flex-direction: column; gap: var(--space-md); margin-bottom: var(--space-lg); }
    @media (min-width: 768px) { .shobi-news__header { flex-direction: row; justify-content: space-between; align-items: flex-end; } }
    .shobi-news__title-wrap { display: flex; align-items: baseline; gap: var(--space-md); }
    .shobi-news__title-en { font-family: var(--font-accent); font-size: var(--text-3xl); font-weight: 700; color: var(--primary); letter-spacing: 0.05em; line-height: 1; }
    .shobi-news__title-jp { font-size: var(--text-sm); color: var(--text-sub); font-weight: 500; }
    .shobi-news__tabs { display: flex; gap: var(--space-xs); flex-wrap: wrap; }
    .shobi-news__tab { padding: var(--space-xs) var(--space-md); font-size: var(--text-sm); font-weight: 600; color: var(--text-sub); background: var(--bg-sub); border: none; border-radius: var(--radius-sm); cursor: pointer; transition: var(--transition); }
    .shobi-news__tab:hover { background: var(--primary-light); color: var(--text-white); }
    .shobi-news__tab.is-active { background: var(--primary); color: var(--text-white); }
    .shobi-news__list { display: flex; flex-direction: column; gap: 0; border-top: 2px solid var(--primary); }
    .shobi-news__item { display: none; border-bottom: 1px solid var(--border); }
    .shobi-news__item.is-visible { display: block; }
    .shobi-news__link { display: flex; flex-direction: column; gap: var(--space-xs); padding: var(--space-md) 0; text-decoration: none; transition: var(--transition); }
    @media (min-width: 768px) { .shobi-news__link { flex-direction: row; align-items: center; gap: var(--space-md); } }
    .shobi-news__link:hover { background: var(--bg-sub); padding-left: var(--space-sm); padding-right: var(--space-sm); margin-left: calc(-1 * var(--space-sm)); margin-right: calc(-1 * var(--space-sm)); }
    .shobi-news__meta { display: flex; align-items: center; gap: var(--space-sm); flex-shrink: 0; }
    .shobi-news__date { font-family: var(--font-accent); font-size: var(--text-sm); color: var(--text-light); letter-spacing: 0.05em; }
    .shobi-news__category { display: inline-block; padding: 2px var(--space-xs); font-size: 11px; font-weight: 700; color: var(--text-white); background: var(--secondary); border-radius: 2px; min-width: 80px; text-align: center; }
    .shobi-news__category--info { background: var(--primary); }
    .shobi-news__category--result { background: var(--secondary); color: var(--primary-dark); }
    .shobi-news__category--media { background: #28a745; }
    .shobi-news__text { font-size: var(--text-base); color: var(--text-main); font-weight: 500; line-height: 1.5; }
    .shobi-news__more { display: inline-flex; align-items: center; justify-content: center; margin-top: var(--space-lg); padding: var(--space-sm) var(--space-xl); font-size: var(--text-sm); font-weight: 700; color: var(--primary); background: transparent; border: 2px solid var(--primary); border-radius: var(--radius-sm); text-decoration: none; transition: var(--transition); }
    .shobi-news__more:hover { background: var(--primary); color: var(--text-white); }
    .shobi-news__more-wrap { text-align: center; }

    .shobi-about-teaser { position: relative; padding: var(--space-xl) var(--space-md); background: var(--primary-gradient); overflow: hidden; }
    @media (min-width: 768px) { .shobi-about-teaser { padding: var(--space-2xl) var(--space-md); } }
    .shobi-about-teaser__bg-text { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); font-family: var(--font-accent); font-size: 150px; font-weight: 900; color: var(--primary-light); opacity: 0.1; white-space: nowrap; pointer-events: none; letter-spacing: 0.1em; }
    @media (min-width: 768px) { .shobi-about-teaser__bg-text { font-size: 250px; } }
    .shobi-about-teaser__inner { position: relative; z-index: 1; max-width: var(--content-width); margin: 0 auto; display: grid; grid-template-columns: 1fr; gap: var(--space-lg); align-items: center; }
    @media (min-width: 768px) { .shobi-about-teaser__inner { grid-template-columns: 1fr 1fr; gap: var(--space-xl); } }
    .shobi-about-teaser__mobile-heading { display: none; }
    @media (max-width: 767px) {
      .shobi-about-teaser__mobile-heading { display: block; color: var(--text-white); margin-bottom: calc(-1 * var(--space-sm)); }
      .shobi-about-teaser__content > .shobi-about-teaser__subtitle,
      .shobi-about-teaser__content > .shobi-about-teaser__title { display: none; }
    }
    .shobi-about-teaser__image { position: relative; border-radius: var(--radius-md); overflow: hidden; box-shadow: var(--shadow-lg); }
    .shobi-about-teaser__image::before { content: ''; position: absolute; top: -10px; left: -10px; right: 10px; bottom: 10px; border: 3px solid var(--secondary); border-radius: var(--radius-md); z-index: -1; }
    .shobi-about-teaser__image img { width: 100%; height: auto; display: block; transition: var(--transition); }
    .shobi-about-teaser__image:hover img { transform: scale(1.05); }
    .shobi-about-teaser__content { color: var(--text-white); }
    .shobi-about-teaser__subtitle { font-family: var(--font-accent); font-size: var(--text-sm); color: var(--secondary); letter-spacing: 0.2em; margin-bottom: var(--space-sm); }
    .shobi-about-teaser__title { font-size: var(--text-xl); font-weight: 700; margin-bottom: var(--space-md); line-height: 1.4; }
    @media (min-width: 768px) { .shobi-about-teaser__title { font-size: var(--text-2xl); } }
    .shobi-about-teaser__text { font-size: var(--text-base); line-height: var(--line-height); opacity: 0.9; margin-bottom: var(--space-lg); }
    .shobi-about-teaser__points { display: flex; flex-wrap: wrap; gap: var(--space-sm); margin-bottom: var(--space-lg); }
    .shobi-about-teaser__point { display: inline-flex; align-items: center; gap: var(--space-xs); font-size: var(--text-sm); font-weight: 500; color: var(--secondary); }
    .shobi-about-teaser__point::before { content: ''; width: 6px; height: 6px; background: var(--secondary); border-radius: 50%; }
    .shobi-about-teaser__btn { display: inline-flex; align-items: center; justify-content: center; padding: var(--space-sm) calc(var(--space-xl) / 2); font-size: var(--text-sm); font-weight: 700; color: var(--secondary-dark); background: var(--text-white); border-radius: var(--radius-sm); text-decoration: none; transition: var(--transition); }
    .shobi-about-teaser__btn:hover { background: var(--secondary-light); color: var(--secondary-dark); transform: translateY(-2px); box-shadow: var(--shadow-glow); }
    .shobi-about-teaser__btn--primary { background: var(--primary); color: var(--text-white); border: 1px solid var(--primary); }
    .shobi-about-teaser__btn--primary:hover { background: var(--primary-dark); color: var(--text-white); border-color: var(--primary-dark); box-shadow: 0 8px 30px rgba(198, 40, 40, 0.35); }

    .shobi-contribution-teaser { position: relative; padding: var(--space-xl) var(--space-md); background: var(--bg-sub); overflow: hidden; }
    @media (min-width: 768px) { .shobi-contribution-teaser { padding: var(--space-2xl) var(--space-md); } }
    .shobi-contribution-teaser__bg-text { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); font-family: var(--font-accent); font-size: 100px; font-weight: 900; color: var(--primary); opacity: 0.03; white-space: nowrap; pointer-events: none; letter-spacing: 0.1em; }
    @media (min-width: 768px) { .shobi-contribution-teaser__bg-text { font-size: 200px; } }
    .shobi-contribution-teaser__inner { position: relative; z-index: 1; max-width: var(--content-width); margin: 0 auto; display: grid; grid-template-columns: 1fr; gap: var(--space-lg); align-items: center; }
    @media (min-width: 768px) { .shobi-contribution-teaser__inner { grid-template-columns: 1fr 1fr; gap: var(--space-xl); } }
    .shobi-contribution-teaser__image { position: relative; border-radius: var(--radius-md); overflow: hidden; box-shadow: var(--shadow-lg); order: 1; }
    @media (min-width: 768px) { .shobi-contribution-teaser__image { order: 2; } }
    .shobi-contribution-teaser__image::before { content: ''; position: absolute; top: -10px; right: -10px; left: 10px; bottom: 10px; border: 3px solid var(--secondary); border-radius: var(--radius-md); z-index: -1; }
    .shobi-contribution-teaser__image img { width: 100%; height: auto; display: block; transition: var(--transition); }
    .shobi-contribution-teaser__image:hover img { transform: scale(1.05); }
    .shobi-contribution-teaser__content { order: 2; }
    @media (min-width: 768px) { .shobi-contribution-teaser__content { order: 1; } }
    .shobi-contribution-teaser__subtitle { font-family: var(--font-accent); font-size: var(--text-sm); color: var(--secondary-dark); letter-spacing: 0.2em; margin-bottom: var(--space-sm); }
    .shobi-contribution-teaser__title { font-size: var(--text-xl); font-weight: 700; color: var(--primary); margin-bottom: var(--space-md); line-height: 1.4; }
    @media (min-width: 768px) { .shobi-contribution-teaser__title { font-size: var(--text-2xl); } }
    .shobi-contribution-teaser__text { font-size: var(--text-base); line-height: var(--line-height); color: var(--text-sub); margin-bottom: var(--space-lg); }
    .shobi-contribution-teaser__activities { display: flex; flex-wrap: wrap; gap: var(--space-sm); margin-bottom: var(--space-lg); }
    .shobi-contribution-teaser__activity { display: inline-block; padding: var(--space-xs) var(--space-md); font-size: var(--text-sm); font-weight: 500; color: var(--primary); background: var(--text-white); border: 1px solid var(--primary); border-radius: var(--radius-full); }
    .shobi-contribution-teaser__btn { display: inline-flex; align-items: center; justify-content: center; padding: var(--space-sm) calc(var(--space-xl) / 2); font-size: var(--text-sm); font-weight: 700; color: var(--secondary-dark); background: var(--text-white); border-radius: var(--radius-sm); text-decoration: none; transition: var(--transition); }
    .shobi-contribution-teaser__btn:hover { background: var(--secondary-light); color: var(--secondary-dark); transform: translateY(-2px); }

    .shobi-sponsors { padding: var(--space-xl) var(--space-md); background: var(--bg-main); }
    @media (min-width: 768px) { .shobi-sponsors { padding: var(--space-2xl) var(--space-md); } }
    .shobi-sponsors__inner { max-width: var(--content-width); margin: 0 auto; }
    .shobi-sponsors__header { text-align: center; margin-bottom: var(--space-xl); }
    .shobi-sponsors__subtitle { font-family: var(--font-accent); font-size: var(--text-sm); color: var(--secondary-dark); letter-spacing: 0.2em; margin-bottom: var(--space-xs); }
    .shobi-sponsors__title { font-size: var(--text-2xl); font-weight: 700; color: var(--primary); margin-bottom: var(--space-sm); }
    .shobi-sponsors__description { font-size: var(--text-base); color: var(--text-sub); }
    .shobi-sponsors__category { margin-bottom: var(--space-xl); }
    .shobi-sponsors__category-title { font-family: var(--font-accent); font-size: var(--text-sm); color: var(--secondary-dark); letter-spacing: 0.15em; text-align: center; margin-bottom: var(--space-md); padding-bottom: var(--space-sm); border-bottom: 1px solid var(--border); }
    .shobi-sponsors__list { display: flex; flex-wrap: wrap; justify-content: center; gap: var(--space-md); }
    .shobi-sponsors__item { display: flex; align-items: center; justify-content: center; width: min(260px, calc(100vw - 48px)); min-height: 104px; padding: 12px 20px; background: transparent; border: 1px solid var(--border); border-radius: 0; transition: var(--transition); }
    .shobi-sponsors__item:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
    .shobi-sponsors__item img { max-width: 100%; max-height: 56px; width: auto; filter: grayscale(30%); transition: var(--transition); }
    .shobi-sponsors__item:hover img { filter: grayscale(0%); }
    .shobi-sponsors__cta { text-align: center; margin-top: var(--space-xl); padding: var(--space-lg); background: var(--bg-sub); border-radius: var(--radius-lg); }
    .shobi-sponsors__cta-title { font-size: var(--text-lg); font-weight: 700; color: var(--primary); margin-bottom: var(--space-sm); }
    .shobi-sponsors__cta-text { font-size: var(--text-base); color: var(--text-sub); margin-bottom: var(--space-md); }
    .shobi-sponsors__cta-btn { display: inline-flex; align-items: center; justify-content: center; padding: var(--space-sm) calc(var(--space-xl) / 2); font-size: var(--text-sm); font-weight: 700; color: var(--secondary-dark); background: var(--text-white); border-radius: var(--radius-sm); text-decoration: none; transition: var(--transition); }
    .shobi-sponsors__cta-btn:hover { background: var(--secondary-light); color: var(--secondary-dark); transform: translateY(-2px); }

    .shobi-cta { position: relative; padding: var(--space-xl) var(--space-md); background: var(--primary-gradient); overflow: hidden; }
    @media (min-width: 768px) { .shobi-cta { padding: var(--space-2xl) var(--space-md); } }
    .shobi-cta__diagonal { position: absolute; top: 0; left: 0; width: 100%; height: 50px; background: var(--bg-main); clip-path: polygon(0 0, 100% 0, 100% 100%); }
    @media (min-width: 768px) { .shobi-cta__diagonal { height: 100px; } }
    .shobi-cta__inner { position: relative; z-index: 1; max-width: var(--content-narrow); margin: 0 auto; text-align: center; padding-top: var(--space-lg); }
    .shobi-cta__title { font-size: var(--text-xl); font-weight: 700; color: var(--text-white); margin-bottom: var(--space-md); }
    @media (min-width: 768px) { .shobi-cta__title { font-size: var(--text-2xl); } }
    .shobi-cta__description { font-size: var(--text-base); color: var(--text-white); opacity: 0.9; margin-bottom: var(--space-lg); }
    .shobi-cta__buttons { display: flex; flex-direction: column; gap: var(--space-sm); justify-content: center; }
    @media (min-width: 768px) { .shobi-cta__buttons { flex-direction: row; gap: var(--space-md); } }
    .shobi-cta__btn { display: inline-flex; align-items: center; justify-content: center; padding: var(--space-md) calc(var(--space-xl) / 2); font-size: var(--text-base); font-weight: 700; border-radius: var(--radius-sm); text-decoration: none; transition: var(--transition); }
    .shobi-cta__btn--primary { background: var(--text-white); color: var(--secondary-dark); }
    .shobi-cta__btn--primary:hover { background: var(--secondary-light); color: var(--secondary-dark); transform: translateY(-2px); box-shadow: var(--shadow-glow); }
    .shobi-cta__btn--outline { background: var(--text-white); color: var(--secondary-dark); border: 2px solid var(--text-white); }
    .shobi-cta__btn--outline:hover { background: var(--secondary-light); color: var(--secondary-dark); }

    .shobi-footer { background: var(--primary-gradient); padding: var(--space-xl) var(--space-md) var(--space-md); }
    .shobi-footer__inner { max-width: var(--content-width); margin: 0 auto; }
    .shobi-footer__content { display: grid; grid-template-columns: 1fr; gap: var(--space-lg); margin-bottom: var(--space-xl); }
    @media (min-width: 768px) { .shobi-footer__content { grid-template-columns: 2fr 1fr 1fr 1fr; } }
    .shobi-footer__brand { }
    .shobi-footer__logo { display: inline-block; text-decoration: none; margin-bottom: var(--space-md); }
    .shobi-footer__logo-text { font-family: var(--font-accent); font-size: var(--text-xl); font-weight: 700; color: var(--text-white); }
    .shobi-footer__logo-text span { color: var(--secondary); }
    .shobi-footer__description { font-size: var(--text-sm); color: var(--text-white); opacity: 0.7; line-height: var(--line-height); margin-bottom: var(--space-md); }
    .shobi-footer__sns { display: flex; gap: var(--space-sm); }
    .shobi-footer__sns-link { display: flex; align-items: center; justify-content: center; width: 40px; height: 40px; background: #ffffff; color: var(--text-white); text-decoration: none; font-size: var(--text-sm); font-weight: 700; border-radius: var(--radius-sm); transition: var(--transition); }
    .shobi-footer__sns-icon { width: 30px; height: 30px; display: block; }
    .shobi-footer__sns-link:hover { background: #ffffff; color: var(--text-white); opacity: 0.9; }
    .shobi-footer__nav { }
    .shobi-footer__nav-title { font-family: var(--font-accent); font-size: var(--text-sm); font-weight: 700; color: var(--secondary); letter-spacing: 0.1em; margin-bottom: var(--space-md); }
    .shobi-footer__nav-list { list-style: none; padding: 0; margin: 0; }
    .shobi-footer__nav-item { margin-bottom: var(--space-sm); }
    .shobi-footer__nav-link { color: var(--text-white); text-decoration: none; font-size: var(--text-sm); opacity: 0.7; transition: var(--transition); }
    .shobi-footer__nav-link:hover { opacity: 1; color: var(--secondary); }
    .shobi-footer__info { }
    .shobi-footer__info-item { font-size: var(--text-sm); color: var(--text-white); opacity: 0.7; margin-bottom: var(--space-sm); line-height: 1.6; }
    .shobi-footer__sns-wrap { }
    .shobi-footer__bottom { display: flex; flex-direction: column; gap: var(--space-sm); padding-top: var(--space-md); border-top: 1px solid var(--primary-light); text-align: center; }
    @media (min-width: 768px) { .shobi-footer__bottom { flex-direction: row; justify-content: space-between; align-items: center; } }
    .shobi-footer__copyright { font-size: var(--text-xs); color: var(--text-white); opacity: 0.5; }
    .shobi-footer__policy-links { display: flex; gap: var(--space-md); justify-content: center; }
    .shobi-footer__policy-link { font-size: var(--text-xs); color: var(--text-white); opacity: 0.5; text-decoration: none; transition: var(--transition); }
    .shobi-footer__policy-link:hover { opacity: 1; }

    .katsuta-page-hero { position: relative; margin-top: 70px; padding: 120px var(--space-md) 80px; color: var(--text-white); background: #000000 url('./res/IMG_2703.jpeg') center/cover no-repeat; overflow: hidden; }
    @media (min-width: 768px) { .katsuta-page-hero { margin-top: 0; padding: 180px var(--space-md) 120px; } }
    .katsuta-page-hero::after { content: none; }
    .katsuta-page-hero__inner { position: relative; z-index: 2; max-width: var(--content-width); margin: 0 auto; }
    .katsuta-page-hero__label { display: inline-block; font-family: var(--font-accent); font-size: var(--text-xs); letter-spacing: 0.2em; padding: 4px 10px; border: 1px solid rgba(255,255,255,0.8); border-radius: var(--radius-full); text-shadow: 0 2px 6px rgba(0, 0, 0, 0.75); }
    .katsuta-page-hero__title { margin: var(--space-sm) 0; font-family: var(--font-accent); font-size: clamp(32px, 7vw, 72px); line-height: 1.1; text-shadow: 0 4px 14px rgba(0, 0, 0, 0.85); }
    .katsuta-page-hero__lead { max-width: 760px; font-size: var(--text-base); opacity: 0.95; text-shadow: 0 3px 10px rgba(0, 0, 0, 0.8); }
    .katsuta-page-hero-copy { padding: var(--space-md) var(--space-md) var(--space-lg); background: var(--bg-main); }
    @media (min-width: 768px) { .katsuta-page-hero-copy { padding: var(--space-lg) var(--space-md); } }
    .katsuta-page-hero-copy .katsuta-page-hero__inner { position: static; z-index: auto; max-width: var(--content-width); margin: 0 auto; }
    .katsuta-page-hero-copy .katsuta-page-hero__label { color: #111111; border-color: #111111; text-shadow: none; }
    .katsuta-page-hero-copy .katsuta-page-hero__title { color: #111111; text-shadow: none; }
    .katsuta-page-hero-copy .katsuta-page-hero__lead { color: #111111; opacity: 1; text-shadow: none; }

    .katsuta-section { padding: var(--space-xl) var(--space-md); }
    @media (min-width: 768px) { .katsuta-section { padding: var(--space-2xl) var(--space-md); } }
    .katsuta-section--alt { background: var(--bg-sub); }
    .katsuta-section__inner { max-width: var(--content-width); margin: 0 auto; }
    .katsuta-section__header { margin-bottom: var(--space-lg); }
    .katsuta-section__en { display: inline-block; font-family: var(--font-accent); font-size: var(--text-sm); color: var(--secondary-dark); letter-spacing: 0.16em; margin-bottom: var(--space-xs); }
    .katsuta-section__title { margin: 0; font-size: var(--text-2xl); color: var(--primary); }
    .katsuta-section__lead { margin-top: var(--space-sm); color: var(--text-sub); line-height: var(--line-height); }
    .katsuta-philosophy-image { position: relative; height: 250px; border-radius: var(--radius-md); overflow: hidden; box-shadow: var(--shadow-md); }
    .katsuta-philosophy-image img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; display: block; opacity: 0; animation: philosophyFade 20s infinite; }
    .katsuta-philosophy-image img:nth-child(1) { animation-delay: 0s; }
    .katsuta-philosophy-image img:nth-child(2) { animation-delay: 5s; }
    .katsuta-philosophy-image img:nth-child(3) { animation-delay: 10s; }
    .katsuta-philosophy-image img:nth-child(4) { animation-delay: 15s; }
    @keyframes philosophyFade { 0% { opacity: 0; } 5% { opacity: 1; } 20% { opacity: 1; } 25% { opacity: 0; } 100% { opacity: 0; } }

    .pros-timeline { position: relative; display: grid; gap: var(--space-md); }
    .pros-timeline::before { content: ''; position: absolute; left: 112px; top: 8px; bottom: 8px; width: 2px; background: var(--border); }
    .pros-timeline__item { display: grid; grid-template-columns: 96px 1fr; gap: var(--space-md); position: relative; }
    .pros-timeline__date { font-family: var(--font-accent); font-size: var(--text-sm); color: var(--primary); padding-top: 6px; }
    .pros-timeline__content { background: var(--text-white); border: 1px solid var(--border); border-radius: var(--radius-md); padding: var(--space-md); box-shadow: var(--shadow-sm); position: relative; }
    .pros-timeline__content::before { content: ''; position: absolute; left: -19px; top: 14px; width: 12px; height: 12px; border-radius: 50%; background: var(--secondary); box-shadow: 0 0 0 3px var(--bg-main); }
    .pros-timeline__title { margin: 0 0 6px; color: var(--primary); font-size: var(--text-lg); }
    .pros-timeline__text { margin: 0; color: var(--text-sub); font-size: var(--text-sm); }
    .pros-timeline__tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
    .pros-tag { display: inline-block; padding: 4px 10px; border-radius: var(--radius-full); font-size: 11px; font-weight: 700; color: var(--text-white); }
    .pros-tag--match { background: #1a3d6e; }
    .pros-tag--u13 { background: #2f9e44; }
    .pros-tag--u14 { background: #0284c7; }
    .pros-tag--training { background: #c45f10; }
    .pros-tag--trm { background: #7c3aed; }
    .pros-tag--fixed { background: #6b7280; }
    @media (max-width: 767px) {
      .pros-timeline::before { left: 8px; }
      .pros-timeline__item { grid-template-columns: 1fr; padding-left: 24px; gap: 6px; }
      .pros-timeline__content::before { left: -23px; top: 16px; }
    }

    .katsuta-grid { display: grid; grid-template-columns: 1fr; gap: var(--space-md); }
    @media (min-width: 768px) { .katsuta-grid--2 { grid-template-columns: 1fr 1fr; } }
    @media (min-width: 1024px) { .katsuta-grid--3 { grid-template-columns: 1fr 1fr 1fr; } }
    .katsuta-card { background: var(--text-white); border: 1px solid var(--border); border-radius: var(--radius-md); padding: var(--space-md); box-shadow: var(--shadow-sm); }
    .katsuta-card__title { margin: 0 0 var(--space-xs); font-size: var(--text-lg); color: var(--primary); }
    .katsuta-card__text { margin: 0; color: var(--text-sub); }
    .partner-company-grid { grid-template-columns: 1fr; }
    @media (min-width: 720px) { .partner-company-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
    @media (min-width: 1180px) { .partner-company-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
    .partner-company-card { display: flex; flex-direction: column; gap: 12px; }
    .partner-company__logo {
      display: flex;
      align-items: center;
      justify-content: center;
      min-height: 96px;
      padding: 12px;
      background: #fff;
      border: 1px solid var(--border);
      border-radius: var(--radius-sm);
      overflow: hidden;
    }
    .partner-company__logo img {
      display: block;
      width: 100%;
      max-width: 220px;
      max-height: 72px;
      object-fit: contain;
    }
    .partner-company__title-link { color: var(--primary); text-decoration: none; font-size: var(--text-lg); font-weight: 700; line-height: 1.4; display: inline-flex; align-items: flex-start; gap: 8px; }
    .partner-company__title-link:hover { text-decoration: underline; text-decoration-thickness: 2px; text-underline-offset: 3px; }
    .partner-company__title-link::after { content: '↗'; font-size: 0.9em; line-height: 1; opacity: 0.65; }
    .partner-company__text { line-height: 1.85; }
    .partner-company__links { display: flex; flex-wrap: wrap; align-items: center; gap: 0; line-height: 1.7; }
    .partner-company__links > * { display: inline; }
    .partner-company__links > * + * { margin-left: 12px; }
    .partner-company__links > * + *::before { content: ' | '; color: var(--text-light); margin-right: 12px; }
    .partner-company__links a { color: var(--secondary-dark); text-decoration: none; font-weight: 600; }
    .partner-company__links a:hover { text-decoration: underline; }
    .partner-company__links span { color: var(--text-sub); }
    .katsuta-list { margin: 0; padding-left: 1.2em; color: var(--text-sub); }
    .katsuta-list li { margin-bottom: 6px; }
    .katsuta-note { margin-top: var(--space-md); padding: var(--space-sm) var(--space-md); border-left: 4px solid var(--primary-light); background: #fff5f5; color: var(--primary-dark); border-radius: var(--radius-sm); }
    .katsuta-link-buttons { display: flex; flex-direction: column; gap: var(--space-sm); }
    .katsuta-link-buttons > a { width: 100%; justify-content: center; }
    @media (min-width: 768px) {
      .katsuta-link-buttons { flex-direction: row; flex-wrap: nowrap; align-items: center; }
      .katsuta-link-buttons > a { flex: 1 1 0; min-width: 220px; }
    }

    .katsuta-form { display: grid; gap: var(--space-sm); }
    .katsuta-form__row { display: grid; gap: 8px; }
    .katsuta-form__label { font-size: var(--text-sm); font-weight: 700; color: var(--text-main); }
    .katsuta-form__required { color: var(--primary); font-size: var(--text-xs); margin-left: 6px; }
    .katsuta-form input, .katsuta-form textarea, .katsuta-form select { width: 100%; border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 12px 14px; font: inherit; }
    .katsuta-form textarea { min-height: 180px; resize: vertical; }
    .katsuta-form__submit { margin-top: var(--space-sm); border: none; cursor: pointer; }