.starry-background{position:absolute;inset:0;pointer-events:none;z-index:0;overflow:hidden}.star{position:absolute;border-radius:50%;background:#fbbf2480;box-shadow:0 0 4px #fbbf244d;animation:twinkle var(--duration) ease-in-out infinite;animation-delay:var(--delay)}.star:nth-child(3n){background:#fff6;box-shadow:0 0 3px #fff3}@keyframes twinkle{0%,to{opacity:.15}50%{opacity:var(--peak-opacity)}}.city-skyline{position:absolute;bottom:0;left:0;right:0;pointer-events:none;z-index:0;height:180px;overflow:hidden}@media(min-width:640px){.city-skyline{height:220px}}.city-skyline svg{display:block;width:100%;height:100%}.city-window{animation:window-flicker var(--duration) ease-in-out infinite;animation-delay:var(--delay)}@keyframes window-flicker{0%,to{opacity:var(--base-opacity)}50%{opacity:var(--peak-opacity)}}.floating-messages-container{position:absolute;inset:0;pointer-events:none;z-index:0;overflow:hidden}.floating-message{position:absolute;font-size:.95rem;line-height:1.6;max-width:280px;pointer-events:none;animation:floating-lifecycle 5.6s ease-in-out forwards}.floating-message-bubble{position:relative;padding:10px 16px;border-radius:14px;background:#ffffff0f;border:1px solid rgba(255,255,255,.08);backdrop-filter:blur(4px)}.floating-message-bubble:after{content:"";position:absolute;bottom:-6px;left:18px;width:10px;height:10px;background:inherit;border-right:1px solid rgba(255,255,255,.08);border-bottom:1px solid rgba(255,255,255,.08);transform:rotate(45deg);border-radius:0 0 3px}@keyframes floating-lifecycle{0%{opacity:0;transform:translateY(8px)}14%{opacity:.45;transform:translateY(0)}86%{opacity:.45;transform:translateY(-4px)}to{opacity:0;transform:translateY(-12px)}}@keyframes kotoba-fadein{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}.kotoba-fadein{opacity:0;animation:kotoba-fadein .7s ease-out forwards}.kotoba-top{position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center;min-height:100vh;padding:60px 20px;background:radial-gradient(ellipse at 50% 20%,rgba(251,191,36,.1) 0%,transparent 50%),radial-gradient(ellipse at 20% 80%,rgba(30,27,75,.6) 0%,transparent 50%),radial-gradient(ellipse at 80% 60%,rgba(23,37,84,.6) 0%,transparent 50%),linear-gradient(135deg,#0f172a,#1e1b4b 40%,#172554)}.kotoba-top-inner{max-width:640px;text-align:center}.kotoba-top-kicker{font-size:.85rem;letter-spacing:.12em;color:var(--kotoba-text-secondary);margin-bottom:28px!important}.kotoba-top-title{font-size:3rem;font-weight:700;color:var(--kotoba-accent);margin-bottom:16px!important;letter-spacing:.08em}@media(min-width:640px){.kotoba-top-title{font-size:3.75rem}}.kotoba-top-subtitle{font-size:1.25rem;color:var(--kotoba-text-secondary);margin-bottom:56px!important;letter-spacing:.04em}@media(min-width:640px){.kotoba-top-subtitle{font-size:1.4rem}}.kotoba-top-scene{font-size:1.05rem;line-height:2.2;color:var(--kotoba-text-secondary);margin-bottom:36px;letter-spacing:.02em}@media(min-width:640px){.kotoba-top-scene{font-size:1.15rem}}.kotoba-top-description{display:flex;flex-direction:column;gap:24px;font-size:1.1rem;line-height:2.1;color:var(--kotoba-text);margin-bottom:48px}@media(min-width:640px){.kotoba-top-description{font-size:1.2rem}}.kotoba-top-notes{list-style:none;padding:0;margin:0 0 56px;display:flex;flex-direction:column;gap:6px;font-size:.85rem;color:var(--kotoba-text-secondary)}.kotoba-top-notes li:before{content:"- "}.kotoba-top-start{display:inline-block;padding:16px 48px;background:linear-gradient(90deg,#fbbf24,#f59e0b);color:#0f172a;border:none;border-radius:10px;font-size:1.1rem;font-weight:700;cursor:pointer;letter-spacing:.06em;transition:transform .25s,box-shadow .25s;box-shadow:0 4px 20px #fbbf2440}.kotoba-top-start:hover{transform:translateY(-2px);box-shadow:0 6px 28px #fbbf2466}.char-counter{font-size:.8rem;color:var(--kotoba-text-secondary);font-variant-numeric:tabular-nums;transition:color .2s}.char-counter--near{color:var(--kotoba-accent)}.char-counter--over{color:#ef4444;font-weight:600}.kotoba-prompts{margin-bottom:16px;text-align:left}.kotoba-prompts-label{font-size:.75rem;color:var(--kotoba-text-secondary);margin-bottom:8px!important;letter-spacing:.04em}.kotoba-prompts-list{display:flex;flex-wrap:wrap;gap:8px}.kotoba-prompts-pill{display:inline-block;padding:6px 14px;background:var(--kotoba-bg-surface);border:1px solid rgba(255,255,255,.1);border-radius:20px;color:var(--kotoba-text-secondary);font-size:.8rem;cursor:pointer;transition:background .2s,color .2s,border-color .2s;white-space:nowrap}.kotoba-prompts-pill:hover{background:#ffffff14;color:var(--kotoba-text);border-color:#fff3}.kotoba-write{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:60px 20px}.kotoba-write-inner{max-width:520px;width:100%;text-align:center}.kotoba-write-tabs{display:flex;justify-content:center;gap:4px;margin-bottom:28px}.kotoba-write-tab{padding:8px 20px;background:transparent;border:1px solid rgba(255,255,255,.1);border-radius:20px;color:var(--kotoba-text-secondary);font-size:.85rem;cursor:pointer;transition:background .2s,color .2s,border-color .2s}.kotoba-write-tab:hover{border-color:#ffffff40;color:var(--kotoba-text)}.kotoba-write-tab.is-active{border-color:var(--tab-color);color:var(--tab-color);background:#ffffff0a}.kotoba-write-recipient{font-size:.875rem;letter-spacing:.04em;margin-bottom:24px!important}.kotoba-write-textarea-wrap{position:relative;border-radius:12px;transition:box-shadow .4s ease}.kotoba-write-textarea-wrap[style]{box-shadow:0 0 40px -10px var(--glow-color, transparent),0 0 80px -20px var(--glow-color, transparent)}.kotoba-write-textarea{width:100%;padding:20px;background:var(--kotoba-bg-surface);border:1.5px solid rgba(255,255,255,.1);border-radius:12px;color:var(--kotoba-text);font-size:1.05rem;line-height:1.9;resize:none;outline:none;transition:border-color .25s}.kotoba-write-textarea::placeholder{color:#ffffff40}.kotoba-write-textarea:focus{border-color:#fbbf2480;box-shadow:0 0 20px #fbbf2414}.kotoba-write-footer{display:flex;justify-content:flex-end;margin-top:8px;margin-bottom:32px}.kotoba-write-author{margin-bottom:32px;text-align:left}.kotoba-write-author-input{width:100%;padding:10px 16px;background:var(--kotoba-bg-surface);border:1px solid rgba(255,255,255,.08);border-radius:8px;color:var(--kotoba-text);font-size:.9rem;outline:none;transition:border-color .25s}.kotoba-write-author-input::placeholder{color:#fff3}.kotoba-write-author-input:focus{border-color:#fff3}.kotoba-write-submit{display:inline-block;padding:14px 36px;background:transparent;color:var(--btn-color, var(--kotoba-text-secondary));border:1.5px solid var(--btn-color, rgba(255, 255, 255, .15));border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;letter-spacing:.04em;transition:background .25s,color .25s,opacity .25s}.kotoba-write-submit:hover:not(:disabled){background:var(--btn-color);color:var(--kotoba-bg-deep)}.kotoba-write-submit:disabled{opacity:.3;cursor:not-allowed}.kotoba-write-notes{list-style:none;padding:0;margin:0 0 28px;font-size:.78rem;color:var(--kotoba-text-secondary);opacity:.6;text-align:left;display:flex;flex-direction:column;gap:4px}.kotoba-write-notes li:before{content:"※ "}.kotoba-back-button{display:block;margin:24px auto 0;background:none;border:none;color:var(--kotoba-text-secondary);font-size:.875rem;cursor:pointer;padding:8px 16px;transition:color .2s}.message-card{position:relative;background:var(--kotoba-bg-surface);border-left:3px solid var(--card-color);border-radius:12px;padding:28px 24px;max-width:480px;margin:0 auto}.message-card-recipient{font-size:.8rem;color:var(--card-color);margin-bottom:12px!important;letter-spacing:.04em}.message-card-body{font-size:1.1rem;line-height:1.9;color:var(--kotoba-text);white-space:pre-wrap;word-break:break-word}.kotoba-share{display:flex;justify-content:center;gap:10px;margin-bottom:24px}.kotoba-share-btn{display:inline-flex;align-items:center;gap:6px;padding:10px 20px;border-radius:8px;font-size:.85rem;font-weight:600;cursor:pointer;border:none;transition:background .2s,transform .15s}.kotoba-share-btn:hover{transform:translateY(-1px)}.kotoba-share-btn:active{transform:translateY(0)}.kotoba-share-x{background:#000;color:#fff}.kotoba-share-x:hover{background:#333}.kotoba-share-other{background:#ffffff1a;color:var(--kotoba-text);border:1px solid rgba(255,255,255,.15)}.kotoba-share-other:hover{background:#ffffff26}@keyframes kotoba-complete-fadein{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.kotoba-complete-fadein{opacity:0;animation:kotoba-complete-fadein .7s ease-out forwards}@keyframes kotoba-complete-glow-pulse{0%{opacity:0;transform:scale(.8)}to{opacity:1;transform:scale(1)}}.kotoba-complete{position:relative;display:flex;align-items:center;justify-content:center;min-height:100vh;padding:60px 20px;overflow:hidden}.kotoba-complete-glow{position:absolute;top:30%;left:50%;width:400px;height:400px;transform:translate(-50%,-50%) scale(.8);background:radial-gradient(circle,var(--complete-color, var(--kotoba-accent)) 0%,transparent 70%);opacity:0;animation:kotoba-complete-glow-pulse 1.2s ease-out forwards;filter:blur(80px);pointer-events:none}.kotoba-complete-inner{position:relative;max-width:520px;width:100%;text-align:center;z-index:1}.kotoba-complete-thanks{font-size:1.5rem;font-weight:700;color:var(--kotoba-accent);margin-bottom:32px!important}.kotoba-complete-card{margin-bottom:32px}.kotoba-complete-sub{font-size:.9rem;color:var(--kotoba-text-secondary);margin-bottom:6px!important}.kotoba-complete-postmortem{font-size:.85rem;color:var(--kotoba-text-secondary);opacity:.7;margin-bottom:40px!important}.kotoba-complete-share{margin-bottom:20px}.kotoba-complete-actions{display:flex;flex-direction:column;align-items:center;gap:12px}.kotoba-complete-another{display:inline-block;padding:12px 32px;background:linear-gradient(90deg,#fbbf24,#f59e0b);color:#0f172a;border:none;border-radius:10px;font-size:.95rem;font-weight:700;cursor:pointer;letter-spacing:.04em;transition:transform .25s,box-shadow .25s;box-shadow:0 4px 20px #fbbf2440}.kotoba-complete-another:hover{transform:translateY(-2px);box-shadow:0 6px 28px #fbbf2466}.kotoba-back-button{background:none;border:none;color:var(--kotoba-text-secondary);font-size:.875rem;cursor:pointer;padding:8px 16px;transition:color .2s}.kotoba-back-button:hover{color:var(--kotoba-text)}.kotoba-app{--kotoba-bg-deep: #0f172a;--kotoba-bg: #141e38;--kotoba-bg-surface: #1c2747;--kotoba-text: #f0f0f0;--kotoba-text-secondary: #a0aec0;--kotoba-accent: #f6c567;--kotoba-category-self: #e8a87c;--kotoba-category-team: #82c4b5;--kotoba-category-family: #c4a8e8;font-family:Plain,Shin Go Regular,Noto Sans JP,sans-serif;line-height:1.8;color:var(--kotoba-text);background:linear-gradient(135deg,#0f172a,#1e1b4b 40%,#172554);min-height:100vh}.kotoba-app *,.kotoba-app *:before,.kotoba-app *:after{box-sizing:border-box}.kotoba-app h1,.kotoba-app h2,.kotoba-app h3,.kotoba-app h4,.kotoba-app h5,.kotoba-app h6{font-family:Plain,Shin Go Regular,Noto Sans JP,sans-serif;line-height:1.4;margin:0}.kotoba-app p{margin:0}.kotoba-app button,.kotoba-app textarea{font-family:Plain,Shin Go Regular,Noto Sans JP,sans-serif}