@import"https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;600;700&display=swap";@import"https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;700&display=swap";:root{--bg-main: #f9fafb;--bg-card: #ffffff;--bg-surface: #f3f4f6;--primary: #0077c2;--primary-hover: #005fa3;--primary-light: #e0f2fe;--secondary: #38bdf8;--accent: #f43f5e;--text-main: #1f2937;--text-muted: #6b7280;--border: #e5e7eb;--shadow: 0 1px 3px rgba(0,0,0,.1);--shadow-hover: 0 4px 6px -1px rgba(0,0,0,.1), 0 2px 4px -1px rgba(0,0,0,.06);--radius: 16px}*{margin:0;padding:0;box-sizing:border-box}body{background-color:var(--bg-main);color:var(--text-main);font-family:Outfit,Noto Sans JP,sans-serif;line-height:1.6;overflow-x:hidden}h1,h2,h3{font-weight:700;color:var(--text-main)}a{text-decoration:none;color:inherit;transition:all .2s ease}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}.header{height:72px;display:flex;align-items:center;background:var(--bg-card);border-bottom:2px solid var(--border);position:sticky;top:0;z-index:100}.header__inner{display:flex;align-items:center;justify-content:space-between;width:100%}.header__logo{display:flex;align-items:center;gap:10px;font-size:1.5rem;font-weight:800;color:var(--primary)}.header__logo img{height:36px;width:auto}.nav{display:flex;align-items:center;gap:24px}.nav__link{font-weight:600;color:var(--text-muted);font-size:.95rem}.nav__link:hover,.nav__link--active{color:var(--primary)}.btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 20px;border-radius:9999px;font-weight:700;cursor:pointer;transition:all .2s;border:none;font-size:.95rem}.btn--primary{background-color:var(--primary);color:#fff}.btn--primary:hover{background-color:var(--primary-hover);transform:translateY(-2px);box-shadow:0 4px 12px #0077c233}.hero{padding:60px 0 80px;text-align:center;background:linear-gradient(to bottom,#fff,var(--bg-main))}.hero__logo{margin-bottom:24px;animation:bounceIn .8s cubic-bezier(.175,.885,.32,1.275)}.hero__logo img{max-width:320px;width:100%}.hero__title{font-size:2.5rem;margin-bottom:16px;color:var(--text-main);letter-spacing:-.02em}.hero__subtitle{font-size:1.2rem;color:var(--text-muted);max-width:600px;margin:0 auto}@keyframes bounceIn{0%{opacity:0;transform:scale(.3)}50%{opacity:1;transform:scale(1.05)}70%{transform:scale(.9)}to{transform:scale(1)}}.category-section{margin-bottom:60px}.category-section__header{display:flex;align-items:center;gap:12px;margin-bottom:24px}.category-section__icon{font-size:1.5rem;background:var(--primary-light);width:48px;height:48px;display:flex;align-items:center;justify-content:center;border-radius:12px}.category-section__title{font-size:1.5rem;color:var(--text-main)}.category-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:20px}.game-card{background:var(--bg-card);border:2px solid var(--border);border-radius:var(--radius);padding:24px;display:flex;flex-direction:column;gap:16px;transition:all .3s cubic-bezier(.4,0,.2,1)}.game-card:hover{border-color:var(--primary);background-color:#fff;transform:translateY(-4px);box-shadow:var(--shadow-hover)}.game-card__icon{width:64px;height:64px;background:var(--bg-surface);border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:1.75rem;flex-shrink:0;overflow:hidden;border:1px solid var(--border)}.game-card__icon img{width:100%;height:100%;object-fit:cover}.game-card__title{font-size:1.15rem;font-weight:700;color:var(--text-main)}.game-card__stats{display:flex;align-items:center;justify-content:space-between;font-size:.9rem;color:var(--text-muted)}.game-card__count{background:var(--primary-light);color:var(--primary);padding:4px 10px;border-radius:9999px;font-weight:700}.form-container{max-width:800px;margin:40px auto;background:var(--bg-card);border:2px solid var(--border);border-radius:var(--radius);padding:32px}.form-title{font-size:1.75rem;margin-bottom:24px;text-align:center}.form-group{margin-bottom:24px}.form-label{display:block;margin-bottom:8px;font-weight:700;color:var(--text-main)}.form-control{width:100%;background:var(--bg-surface);border:2px solid var(--border);border-radius:12px;padding:12px 16px;color:var(--text-main);font-family:inherit;font-size:1rem;transition:all .2s}.form-control:focus{outline:none;background:#fff;border-color:var(--primary)}.form-hint{font-size:.85rem;color:var(--text-muted);margin-top:4px}.checkbox-group{display:flex;flex-wrap:wrap;gap:12px}.checkbox-item{cursor:pointer}.checkbox-item input{display:none}.checkbox-item span{display:inline-block;padding:8px 16px;background:var(--bg-surface);border:2px solid var(--border);border-radius:12px;font-size:.95rem;font-weight:600}.checkbox-item input:checked+span{background:var(--primary);border-color:var(--primary);color:#fff}.radio-group{display:flex;gap:16px}.radio-item{display:flex;align-items:center;gap:8px;cursor:pointer}.error-message{color:var(--accent);font-size:.85rem;margin-top:4px}.form-actions{margin-top:40px;display:flex;justify-content:center}.custom-select{position:relative}.custom-select__dropdown{position:absolute;top:100%;left:0;width:100%;background:var(--bg-card);border:2px solid var(--border);border-radius:12px;margin-top:4px;max-height:300px;overflow-y:auto;z-index:50}.custom-select__option{padding:12px 16px;cursor:pointer;transition:background .2s}.custom-select__option:hover{background:var(--bg-surface)}.custom-select__option--selected{background:var(--primary-light);color:var(--primary)}.alert{padding:16px 20px;border-radius:12px;margin:20px 0;font-weight:700;border:2px solid transparent}.alert--success{background:#f0fdf4;color:#166534;border-color:#bbf7d0}.alert--danger{background:#fef2f2;color:#991b1b;border-color:#fecaca}.board-header{padding:40px 0;background:var(--bg-card);border-bottom:2px solid var(--border);margin-bottom:40px}.board-header__inner{display:flex;align-items:center;gap:32px}.board-header__icon{width:100px;height:100px;border-radius:20px;border:2px solid var(--border);overflow:hidden}.board-header__icon img{width:100%;height:100%;object-fit:cover}.board-header__info h1{font-size:2.25rem}.accordion-wrapper{margin-bottom:40px}.accordion-toggle{width:100%;padding:16px;background:var(--bg-card);border:2px dashed var(--primary);border-radius:12px;color:var(--primary);font-weight:700;cursor:pointer;text-align:center;transition:all .2s ease}.accordion-toggle:hover{background:var(--primary-light);border-style:solid}.accordion-content{margin-top:16px;overflow:hidden}.filter-bar{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:32px;padding:16px;background:var(--bg-card);border-radius:12px;border:2px solid var(--border)}.filter-item{padding:8px 16px;background:var(--bg-surface);border:2px solid var(--border);border-radius:8px;font-size:.9rem;color:var(--text-muted);transition:all .2s}.filter-item:hover,.filter-item--active{border-color:var(--primary);color:var(--primary);background:var(--primary-light)}.post-list{display:grid;gap:16px}.post-card{background:var(--bg-card);border:2px solid var(--border);border-radius:var(--radius);padding:24px;display:flex;flex-direction:column;gap:16px}.post-card__header{display:flex;justify-content:space-between;align-items:flex-start}.post-card__user{display:flex;align-items:center;gap:12px}.post-card__avatar{width:40px;height:40px;border-radius:50%;background:var(--bg-surface)}.post-card__meta{font-size:.85rem;color:var(--text-muted)}.post-card__type{padding:4px 12px;border-radius:20px;font-size:.75rem;font-weight:700;text-transform:uppercase}.post-card__type--friend{background:#f0fdf4;color:#16a34a;border:1px solid #bbf7d0}.post-card__type--member{background:#f5f3ff;color:#7c3aed;border:1px solid #ddd6fe}.post-card__type--join{background:#ecfeff;color:#0891b2;border:1px solid #cffafe}.post-card__body{font-size:1rem;white-space:pre-wrap}.post-card__tags{display:flex;flex-wrap:wrap;gap:8px}.tag-badge{padding:4px 10px;background:var(--bg-surface);border-radius:6px;font-size:.8rem;color:var(--text-muted)}.tag-badge--platform{background:var(--primary-light);color:var(--primary)}.post-card__footer{display:flex;justify-content:space-between;align-items:center;margin-top:8px;padding-top:16px;border-top:1px solid var(--border)}.post-card__vc{display:flex;align-items:center;gap:6px;font-size:.85rem;color:var(--text-muted)}.footer{padding:40px 0;text-align:center;border-top:2px solid var(--border);color:var(--text-muted)}