:root{--primary: #245c73;--primary-dark: #1c495b;--primary-soft: #edf5f8;--accent: #d7a24a;--accent-dark: #c8943d;--bg: #f7f8fa;--bg-soft: #fbfcfd;--text: #222;--muted: #666;--white: #fff;--border: #e3e7eb;--border-dark: #cfd8de;--success-bg: #e7f7ec;--success-text: #1f7a3f;--warning-bg: #fff5df;--warning-text: #9a6a00;--danger-bg: #fdeaea;--danger-text: #b42318;--sidebar: #24343d;--sidebar-hover: rgba(255, 255, 255, .08);--shadow-sm: 0 4px 14px rgba(0, 0, 0, .04);--shadow-md: 0 8px 24px rgba(0, 0, 0, .08);--radius-sm: 10px;--radius-md: 14px;--radius-lg: 20px;--max-width: 1100px;--transition: .25s ease}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Hiragino Sans,Yu Gothic,Meiryo,sans-serif;color:var(--text);line-height:1.7;background:var(--white)}img{display:block;max-width:100%;height:auto}a{color:var(--primary);text-decoration:none;transition:var(--transition)}a:hover{opacity:.85}button,input,textarea,select{font:inherit}.container{width:min(100% - 32px,var(--max-width));margin:0 auto}.narrow{width:min(100% - 32px,900px);margin:0 auto}.section{padding:72px 0}.section-alt{background:var(--bg)}.page-content{padding:64px 0 80px}.section-title{margin:0 0 28px;text-align:center;font-size:2rem;color:var(--primary-dark);position:relative}.section-title:after{content:"";display:block;width:64px;height:3px;margin:12px auto 0;background:var(--accent);border-radius:999px}.lead{margin:0 0 32px;font-size:1.05rem;text-align:center;color:#333}.center{text-align:center}.breadcrumb{margin-bottom:20px;font-size:.92rem;color:var(--muted)}.breadcrumb a{color:var(--muted)}.content-box,.card,.info-box,.form-box,.stat-card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius-md);box-shadow:var(--shadow-sm)}.content-box{padding:32px}.card,.info-box,.form-box,.stat-card{padding:24px}.card h3,.info-box h3,.form-box h3{margin-top:0;margin-bottom:12px;color:var(--primary-dark);font-size:1.15rem}.cards{display:grid;gap:22px}.two-column{grid-template-columns:repeat(2,1fr)}.three-column{grid-template-columns:repeat(3,1fr)}.four-column{grid-template-columns:repeat(4,1fr)}.info-grid,.recruit-points,.stat-grid{display:grid;gap:20px}.info-grid,.recruit-points,.stat-grid{grid-template-columns:repeat(4,1fr)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 22px;border:none;border-radius:999px;font-weight:700;cursor:pointer;transition:var(--transition)}.btn:hover{opacity:1;transform:translateY(-1px)}.btn-primary{background:var(--accent);color:#222}.btn-primary:hover{background:var(--accent-dark)}.btn-danger{background:var(--danger-text);color:#fff}.btn-danger:hover{transition:var(--transition);opacity:.7}.btn-secondary{background:transparent;color:var(--primary-dark);border:2px solid var(--primary-dark)}.btn-secondary:hover{background:var(--primary-dark);color:var(--white)}.btn-white{background:transparent;color:var(--white);border:2px solid rgba(255,255,255,.8)}.btn-white:hover{background:#ffffff1f}.btn-block{width:100%}.site-header{position:sticky;top:0;z-index:100;background:#fffffff5;border-bottom:1px solid var(--border);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.header-inner{display:flex;justify-content:space-between;align-items:center;gap:24px;padding:14px 0}.site-brand{display:flex;flex-direction:column}.logo{display:inline-block;font-size:1.5rem;font-weight:700;color:var(--primary-dark)}.tagline{margin:4px 0 0;font-size:.92rem;color:var(--muted)}.global-nav ul{display:flex;flex-wrap:wrap;gap:18px;list-style:none;margin:0;padding:0}.global-nav a{font-size:.95rem;font-weight:600;color:var(--text)}.global-nav a:hover{color:var(--primary);opacity:1}.nav-login{display:inline-block;padding:8px 14px;border:1px solid var(--primary);border-radius:999px;background:var(--white);color:var(--primary-dark);font-weight:700}.nav-login:hover{background:var(--primary);color:var(--white)}.hero{background:linear-gradient(#245c73c7,#245c73c7),url(https://images.unsplash.com/photo-1465847899084-d164df4dedc6?auto=format&fit=crop&w=1600&q=80) center / cover no-repeat;color:var(--white);padding:72px 0}.hero-inner{display:grid;grid-template-columns:1.2fr 1fr;gap:32px;align-items:center}.hero h1,.page-hero h1{margin:0 0 20px;font-size:clamp(2rem,4vw,3.2rem);line-height:1.2}.hero p{margin:0 0 24px;font-size:1.05rem}.hero-image img{min-height:320px;object-fit:cover;border-radius:var(--radius-md);box-shadow:var(--shadow-md)}.hero-buttons{display:flex;gap:14px;flex-wrap:wrap}.page-hero{background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:var(--white);padding:64px 0 56px}.page-hero p{margin:0;font-size:1.05rem;opacity:.96}.news-list{list-style:none;margin:0;padding:0;border-top:1px solid var(--border)}.news-list li{display:flex;gap:18px;flex-wrap:wrap;padding:18px 0;border-bottom:1px solid var(--border)}.news-list time{min-width:110px;font-weight:700;color:var(--primary)}.page-table,.list-table{width:100%;border-collapse:collapse;background:var(--white);border:1px solid var(--border);border-radius:var(--radius-md);overflow:hidden}.page-table th,.page-table td,.list-table th,.list-table td{padding:14px 16px;border-bottom:1px solid var(--border);text-align:left;vertical-align:top}.page-table th,.list-table th{background:#f0f3f6;color:var(--primary-dark);font-size:.95rem}.page-table th{width:220px}.list-table .action-column{text-align:right}.form-row{display:flex;flex-direction:column;gap:8px;margin-bottom:18px}.form-row label{font-weight:700;color:var(--primary-dark)}.form-row input,.form-row textarea,.form-row select,.search-box input,.inline-select,.inline-input{width:100%;padding:12px 14px;border:1px solid var(--border-dark);border-radius:var(--radius-sm);background:var(--white)}.form-row textarea{min-height:160px;resize:vertical}.form-actions{display:flex;gap:.5rem;flex-direction:row-reverse}.toolbar{display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:18px}.toolbar-actions{display:flex;gap:10px;flex-wrap:wrap}.search-box{min-width:260px;flex:1}.concert-box{display:grid;grid-template-columns:1.15fr .85fr;gap:28px;align-items:center;padding:28px;background:var(--white);border:1px solid var(--border);border-radius:var(--radius-md);box-shadow:var(--shadow-md)}.concert-text h3{margin-top:0;font-size:1.6rem;color:var(--primary-dark)}.concert-text ul{padding-left:1.2em}.concert-image img{min-height:320px;object-fit:cover;border-radius:var(--radius-md)}.site-footer{background:#1f2d36;color:#e9eef1;padding-top:48px}.footer-inner{display:grid;grid-template-columns:1fr 1fr;gap:28px;padding-bottom:28px}.site-footer h2{margin-top:0;font-size:1.2rem;color:var(--white)}.site-footer a{color:#dbe8ee}.footer-links{list-style:none;margin:0;padding:0}.footer-links li+li{margin-top:10px}.footer-login{display:inline-block;margin-top:10px;padding:10px 16px;border-radius:999px;background:var(--accent);color:#222;font-weight:700}.footer-login:hover{opacity:.92}.copyright{padding:18px 0;text-align:center;color:#c8d3d9;border-top:1px solid rgba(255,255,255,.12)}.login-page{min-height:100vh;display:grid;place-items:center;padding:24px;background:linear-gradient(135deg,var(--primary),var(--primary-dark))}.login-card{width:100%;max-width:460px;padding:36px;background:#fffffffa;border-radius:var(--radius-lg);box-shadow:var(--shadow-md)}.login-card h1{margin:0 0 8px;color:var(--primary-dark);font-size:2rem}.login-card p{margin:0 0 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1fr;min-height:calc(100vh - 72px)}.sidebar{padding:24px 20px;background:var(--sidebar);color:#e8eef1}.sidebar-title{margin:0 0 20px;font-size:1.2rem;color:var(--white)}.sidebar-nav{list-style:none;margin:0;padding:0}.sidebar-nav li+li{margin-top:8px}.sidebar-nav a{display:block;padding:10px 14px;border-radius:var(--radius-sm);color:#dce8ee;font-weight:600}.sidebar-nav a:hover,.sidebar-nav a.is-active{background:var(--sidebar-hover);color:var(--white);opacity:1}.admin-main{padding:32px;background:var(--bg)}.admin-header{margin-bottom:24px}.admin-header h1{margin:0 0 8px;font-size:2rem;color:var(--primary-dark)}.admin-header p{margin:0;color:var(--muted)}.stat-card h2{margin:0 0 10px;font-size:.95rem;color:var(--muted)}.stat-card p{margin:0;font-size:2rem;font-weight:700;color:var(--primary-dark)}.admin-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:20px}.badge{display:inline-block;padding:5px 10px;border-radius:999px;background:var(--primary-soft);color:var(--primary-dark);font-size:.85rem;font-weight:700}.badge-success{background:var(--success-bg);color:var(--success-text)}.badge-warning{background:var(--warning-bg);color:var(--warning-text)}.badge-danger{background:var(--danger-bg);color:var(--danger-text)}.note-box{padding:16px 18px;border:1px solid var(--border);border-radius:12px;background:var(--bg-soft);color:#334}.profile-box{display:grid;grid-template-columns:160px 1fr;gap:24px}.avatar{display:grid;place-items:center;width:160px;height:160px;border-radius:20px;background:#dfe8ec;color:var(--primary-dark);font-size:3rem;font-weight:700}.action-links{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}@media(max-width:960px){.header-inner,.member-header-inner{flex-direction:column;align-items:flex-start}.global-nav ul,.member-top-nav ul{gap:12px 16px}.hero-inner,.concert-box,.two-column,.three-column,.four-column,.info-grid,.recruit-points,.footer-inner,.admin-layout,.admin-grid,.profile-box,.stat-grid{grid-template-columns:1fr}.admin-main{padding:20px}.page-table th,.page-table td{display:block;width:100%}.page-table th{border-bottom:none}}@media(max-width:640px){.hero,.page-hero,.section,.page-content{padding:56px 0}.logo,.member-logo{font-size:1.25rem}.hero h1,.page-hero h1{font-size:2rem}.news-list li{flex-direction:column;gap:6px}.btn,.btn-block{width:100%}.login-card{padding:28px 22px}.form-actions{flex-direction:column}}.checkbox-row{flex-direction:row;align-items:center;gap:10px}.checkbox-row input[type=checkbox]{width:16px;height:16px;margin:0;flex:0 0 auto;accent-color:var(--primary);cursor:pointer}.checkbox-row label{margin:0;font-weight:500;color:var(--text);cursor:pointer}.flash-message{display:flex;justify-content:space-between;align-items:center;border-radius:6px;margin-bottom:1.5rem;padding:1rem}.flash-message p{font-size:.9rem;margin:0}.flash-message span{cursor:pointer}.flash-message span:hover{opacity:.7;transition:var(--transition)}.flash-message.success{border:1px solid var(--success-text);background-color:var(--success-bg)}.flash-message.success p,.flash-message.success span{color:var(--success-text)}.flash-message.error{border:1px solid var(--danger-text);background-color:var(--danger-bg)}.flash-message.error p,.flash-message.error span{color:var(--danger-text)}