:root{color-scheme:light;--bg-gradient: linear-gradient(135deg, #eef2f3 0%, #e3eeff 100%);--glass-bg: rgba(255, 255, 255, .45);--glass-border: rgba(255, 255, 255, .45);--glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, .06), inset 1px 1px 0px 0px rgba(255, 255, 255, .2);--input-bg: rgba(255, 255, 255, .35);--input-border: rgba(255, 255, 255, .25);--text-color: #2c3e50;--text-muted: #5e6d82;--accent-color: #ff5500;--accent-hover: #e04b00;--accent-light: rgba(255, 85, 0, .08);--radius-lg: 24px;--radius-md: 16px;--radius-sm: 12px;--transition-normal: .3s cubic-bezier(.25, .8, .25, 1);--font-family: "Noto Sans JP", sans-serif;--orb-opacity: .45}[data-theme=dark]{color-scheme:dark;--bg-gradient: linear-gradient(135deg, #090d16 0%, #111524 100%);--glass-bg: rgba(15, 23, 42, .45);--glass-border: rgba(255, 255, 255, .08);--glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, .35), inset 1px 1px 0px 0px rgba(255, 255, 255, .05);--input-bg: rgba(15, 23, 42, .35);--input-border: rgba(255, 255, 255, .04);--text-color: #f1f5f9;--text-muted: #8a99ad;--accent-color: #ff5500;--accent-hover: #e04b00;--accent-light: rgba(255, 85, 0, .15);--orb-opacity: .22}*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}body{font-family:var(--font-family);background:var(--bg-gradient);color:var(--text-color);transition:background .4s ease,color .3s ease;overflow-x:hidden;overflow-y:auto;min-height:100vh;min-height:100dvh;position:relative}body.timeline-active{overflow-y:scroll;height:auto;padding-bottom:40px}body:before,body:after{content:"";position:fixed;width:350px;height:350px;border-radius:50%;filter:blur(120px);z-index:-1;pointer-events:none;transition:opacity .4s ease}body:before{background:radial-gradient(circle,#f50,#f500 70%);top:10%;left:-5%;opacity:var(--orb-opacity);animation:floatOrb1 25s infinite alternate ease-in-out}body:after{background:radial-gradient(circle,#3b82f6,#3b82f600 70%);bottom:10%;right:-5%;opacity:var(--orb-opacity);animation:floatOrb2 30s infinite alternate ease-in-out;animation-delay:-5s}@keyframes floatOrb1{0%{transform:translate(0) scale(1)}50%{transform:translate(120px,80px) scale(1.25)}to{transform:translate(40px,-60px) scale(.9)}}@keyframes floatOrb2{0%{transform:translate(0) scale(1.1)}50%{transform:translate(-100px,-120px) scale(.85)}to{transform:translate(80px,40px) scale(1.2)}}button,input,textarea{font-family:inherit;font-size:inherit;color:inherit;border:none;outline:none;background:none;-webkit-appearance:none;-moz-appearance:none;appearance:none}input::placeholder,textarea::placeholder{color:var(--text-muted);opacity:.7}a{color:inherit;text-decoration:none}.hidden{display:none!important}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#fff3;border:2px solid transparent;background-clip:padding-box;border-radius:99px}.bento-box{background:var(--glass-bg);backdrop-filter:blur(20px) saturate(180%);-webkit-backdrop-filter:blur(20px) saturate(180%);border:1px solid var(--glass-border);border-radius:var(--radius-lg);padding:16px;box-shadow:var(--glass-shadow);transition:transform var(--transition-normal),box-shadow var(--transition-normal),background-color .3s}.bento-box:hover{transform:translateY(-2px);box-shadow:0 12px 40px #1f26871f,inset 1px 1px #ffffff4d}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;font-weight:700;border-radius:var(--radius-md);background:#ffffff26;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.2);box-shadow:0 4px 15px #00000008;cursor:pointer;transition:transform .1s ease,background-color .2s,border-color .2s,box-shadow .2s;-webkit-user-select:none;user-select:none;min-height:48px}[data-theme=dark] .btn{background:#ffffff0d;border:1px solid rgba(255,255,255,.05)}.btn:hover{background:#ffffff40;border-color:#ffffff59}[data-theme=dark] .btn:hover{background:#ffffff1a;border-color:#ffffff26}.btn:active{transform:scale(.97)}.btn-primary{color:var(--accent-color);background:var(--accent-light);border:1px solid rgba(255,85,0,.25)}.btn-primary:hover{background:#ff550026;border-color:#f506}.btn-block{display:flex;width:100%}.btn-icon{width:48px;height:48px;padding:0;border-radius:50%}.btn-fab,[data-theme=dark] .btn-fab{position:fixed;bottom:calc(84px + env(safe-area-inset-bottom));right:32px;width:68px;height:68px;border-radius:50%;background:var(--accent-color)!important;color:#fff!important;border:1px solid rgba(255,255,255,.2)!important;box-shadow:0 8px 24px #ff55004d!important;z-index:999;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:transform .2s,box-shadow .2s,background-color .2s}.btn-fab:hover,[data-theme=dark] .btn-fab:hover{transform:translateY(-4px) scale(1.06)!important;background:var(--accent-hover)!important;box-shadow:0 12px 32px #f506!important}.btn-fab:active,[data-theme=dark] .btn-fab:active{transform:scale(.95)!important}.btn-fab i{width:32px;height:32px;stroke-width:3px}.input-group{display:flex;flex-direction:column;gap:8px;margin-bottom:20px}.input-group label{font-weight:700;font-size:.9rem;letter-spacing:.05em;padding-left:8px;opacity:.9}.input-group input,.input-group textarea{width:100%;padding:14px;border-radius:var(--radius-md);background:var(--input-bg);border:1px solid var(--input-border);box-shadow:inset 0 2px 4px #00000008;font-weight:500;transition:border-color .2s,background-color .3s;-webkit-appearance:none;-moz-appearance:none;appearance:none;color:var(--text-color)!important}.input-group input::placeholder,.input-group textarea::placeholder{color:var(--text-muted);opacity:.7}.input-group input:focus,.input-group textarea:focus{border-color:var(--accent-color);background:#ffffff80}[data-theme=dark] .input-group input:focus,[data-theme=dark] .input-group textarea:focus{background:#0f172a80}.screen{min-height:100vh;width:100%;display:flex;flex-direction:column;justify-content:center;align-items:center;padding:24px 0}#timeline-screen.screen{padding-top:0!important;justify-content:flex-start!important}.intro-container{display:grid;grid-template-columns:1fr;gap:12px;width:100%;max-width:500px;padding:0 20px;box-sizing:border-box}@media (min-width: 768px){.intro-container{grid-template-columns:1.2fr 1fr;grid-template-rows:auto auto;max-width:840px;padding:0;gap:20px}.logo-box{grid-column:1 / 2;grid-row:1 / 3;height:100%}.action-box{grid-column:2 / 3;grid-row:1 / 2}.info-box{grid-column:2 / 3;grid-row:2 / 3}}.logo-box{text-align:center;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:32px 16px;background:none!important;border:none!important;box-shadow:none!important;backdrop-filter:none!important;-webkit-backdrop-filter:none!important}.logo-text{font-family:"Space Grotesk",var(--font-family);font-size:3.8rem;font-weight:900;letter-spacing:-.05em;line-height:1;color:var(--accent-color);text-shadow:0 4px 12px rgba(255,85,0,.15)}.logo-text-sm{font-family:"Space Grotesk",var(--font-family);font-size:1.6rem;font-weight:900;color:var(--accent-color);transition:color .2s,transform .15s ease}.logo-text-sm:hover{color:var(--accent-hover);transform:scale(1.03)}.logo-text-sm:active{transform:scale(.97)}.logo-text-inline{font-family:"Space Grotesk",var(--font-family);font-weight:800;letter-spacing:-.02em;color:var(--accent-color)}.logo-sub{font-size:1rem;font-weight:700;letter-spacing:.25em;text-transform:uppercase;margin-top:8px;margin-bottom:24px;color:var(--text-color);opacity:.9}.tagline{font-size:.95rem;font-weight:500;line-height:1.6;opacity:.95}.info-box{display:flex;flex-direction:column;gap:20px}.info-item{display:flex;gap:16px;align-items:flex-start}.info-item i{flex-shrink:0;width:24px;height:24px;stroke-width:2px}.icon-orange{color:var(--accent-color)}.info-item h3{font-size:.95rem;font-weight:700;margin-bottom:4px}.info-item p{font-size:.85rem;color:var(--text-muted);line-height:1.5}.app-header{position:sticky;top:0;width:100%;max-width:760px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;padding:10px 16px;z-index:90;background:#fff3;backdrop-filter:blur(20px) saturate(180%);-webkit-backdrop-filter:blur(20px) saturate(180%);border-bottom:1px solid var(--glass-border);border-radius:0 0 var(--radius-lg) var(--radius-lg);box-shadow:0 4px 20px #00000005}[data-theme=dark] .app-header{background:#0f172a33}.countdown-text-only{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);text-align:center;line-height:1.25;pointer-events:none}.countdown-label{display:block;font-size:.68rem;font-weight:600;color:var(--text-muted);letter-spacing:.05em}.countdown-time-val{display:block;font-size:.85rem;font-weight:700;color:var(--text-color)}.header-logo{display:flex;align-items:center;gap:12px}.user-badge{background:#ffffff40;border:1px solid rgba(255,255,255,.3);padding:6px 16px;border-radius:99px;font-size:.8rem;font-weight:700}[data-theme=dark] .user-badge{background:#0f172a40;border-color:#ffffff0d}.timeline-container{width:100%;max-width:760px;margin:0 auto;padding:12px 0 80px;display:flex;flex-direction:column;gap:0}.filter-box{position:fixed;bottom:0;left:0;right:0;margin:0 auto;width:100%;max-width:760px;z-index:900;padding:8px 16px calc(8px + env(safe-area-inset-bottom));border-radius:var(--radius-lg) var(--radius-lg) 0 0!important;background:var(--glass-bg);backdrop-filter:blur(20px) saturate(180%);-webkit-backdrop-filter:blur(20px) saturate(180%);border:1px solid var(--glass-border)!important;border-bottom:none!important;box-shadow:0 -4px 20px #0000000d!important;transition:background-color .3s}.tab-switch{display:grid;grid-template-columns:repeat(3,1fr);gap:6px}.tab-btn{display:flex;align-items:center;justify-content:center;gap:6px;padding:8px 6px;font-weight:700;border-radius:var(--radius-sm);cursor:pointer;color:var(--text-muted);border:1px solid transparent;transition:background-color .2s,color .2s,border-color .2s,transform .1s}.tab-btn i{width:18px!important;height:18px!important}.tab-btn span{font-size:.76rem!important}.tab-btn:hover{color:var(--text-color);background:#fff3}[data-theme=dark] .tab-btn:hover{background:#ffffff0d}.tab-btn.active{background:var(--glass-bg);border-color:var(--glass-border);color:var(--accent-color);box-shadow:0 4px 12px #00000008}.timeline-grid{display:block;column-count:1;column-gap:0}@media (min-width: 640px){.timeline-grid{column-count:2;column-gap:16px}}.post-card{position:relative;display:inline-block;overflow:hidden;width:100%;margin-bottom:12px;break-inside:avoid;-webkit-column-break-inside:avoid}.post-card>*{margin-bottom:8px}.post-card>*:last-child{margin-bottom:0}@media (min-width: 640px){.post-card{margin-bottom:16px}}.post-header{display:flex;justify-content:space-between;align-items:center}.post-author{font-weight:700;font-size:.95rem}.post-time{font-size:.8rem;color:var(--text-muted)}.post-body{font-size:.95rem;line-height:1.6;word-break:break-all;flex-grow:1}.post-images{display:grid;gap:10px;margin-top:4px}.post-images.single-image{grid-template-columns:1fr}.post-images.multi-image{grid-template-columns:1fr 1fr}.post-img-wrapper{position:relative;width:100%;aspect-ratio:1 / 1;border-radius:var(--radius-md);background:#ffffff26;border:1px solid rgba(255,255,255,.25);padding:4px;overflow:hidden}[data-theme=dark] .post-img-wrapper{background:#00000040;border-color:#ffffff0d}.post-img-wrapper img{width:100%;height:100%;object-fit:cover;display:block;border-radius:var(--radius-sm);cursor:zoom-in;transition:transform .25s ease}.post-img-wrapper img:hover{transform:scale(1.04)}.post-actions{display:flex;justify-content:space-between;align-items:center;margin-top:8px;padding-top:12px;border-top:1px solid rgba(255,255,255,.2)}[data-theme=dark] .post-actions{border-top-color:#ffffff0d}.action-btn{display:inline-flex;align-items:center;gap:6px;background:transparent;cursor:pointer;padding:8px 14px;border-radius:var(--radius-sm);font-weight:700;font-size:.85rem;transition:transform .1s,background-color .2s;color:var(--text-muted);border:1px solid transparent}.action-btn:hover{color:var(--text-color);background:#fff3;border-color:#ffffff1a}[data-theme=dark] .action-btn:hover{background:#ffffff0d}.action-btn:active{transform:scale(.97)}.btn-like.liked{color:var(--accent-color);background:#ff55000f;border-color:#ff550026}.btn-like.liked i{fill:var(--accent-color)}.btn-like i{transition:transform .2s cubic-bezier(.175,.885,.32,1.275)}.btn-like:active i{transform:scale(1.3)}.btn-hide{color:var(--text-muted)}.modal-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background-color:#0f172a26;backdrop-filter:blur(15px);-webkit-backdrop-filter:blur(15px);display:flex;justify-content:center;align-items:center;padding:24px;z-index:1000}.modal-content{width:100%;max-width:480px;max-height:90vh;overflow-y:auto}.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.modal-header h2{font-size:1.25rem;font-weight:700}.image-upload-area{margin-bottom:20px}.image-upload-label{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;padding:24px;border-radius:var(--radius-md);cursor:pointer;background:var(--input-bg);border:1px solid var(--input-border);transition:background-color .2s;font-weight:700}.image-upload-label:hover{background:#ffffff73}.image-previews{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-bottom:16px}.preview-wrapper{position:relative;aspect-ratio:1 / 1;border-radius:var(--radius-md);background:#fff3;border:1px solid rgba(255,255,255,.3);padding:4px}.preview-wrapper img{width:100%;height:100%;object-fit:cover;border-radius:var(--radius-sm)}.remove-img-btn{position:absolute;top:8px;right:8px;background:var(--glass-bg);border:1px solid var(--glass-border);color:var(--accent-color);border-radius:50%;width:28px;height:28px;display:flex;align-items:center;justify-content:center;cursor:pointer;font-weight:700}.star-particle{position:absolute;pointer-events:none;color:var(--accent-color);z-index:999}.post-comments-section{display:none;overflow:hidden;margin-top:12px;padding:16px;border-radius:var(--radius-md);background:#0000000a}[data-theme=dark] .post-comments-section{background:#0003}.comments-list{display:flex;flex-direction:column;gap:10px;margin-bottom:16px;max-height:240px;overflow-y:auto;padding-right:4px}.comment-item{background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:var(--radius-sm);padding:10px 12px;font-size:.88rem;line-height:1.4;box-shadow:0 2px 8px #00000003}.comment-meta{display:flex;justify-content:space-between;align-items:center;margin-bottom:4px}.comment-author{font-weight:700;font-size:.82rem}.comment-time{font-size:.75rem;color:var(--text-muted)}.comment-body{word-break:break-all}.comment-form{display:flex;gap:8px}.comment-input{flex-grow:1;min-width:0;padding:10px 14px;border-radius:var(--radius-sm);background:var(--input-bg);border:1px solid var(--input-border);font-size:.88rem;font-weight:500}.comment-input:focus{border-color:var(--accent-color);background:#ffffff73}.btn-comment-submit{flex-shrink:0;padding:0 16px;min-height:40px;height:40px;border-radius:var(--radius-sm);font-size:.85rem}@media (max-width: 639px){.post-card.bento-box{border-radius:0!important;border-left:none!important;border-right:none!important;box-shadow:0 4px 20px #00000008!important}.filter-box,.app-header{border-radius:0!important;border-left:none!important;border-right:none!important}.post-comments-section{border-radius:0!important}}