:root{--ink:#000000;--muted:#6b6b72;--faint:#a9a9a9;--paper:#ffffff;--surface:#fffcfc;--coral:#000000;--rose:#f4f4f4;--mint:#ededed;--lemon:#f4f4f4;--lilac:#ededed;--line:#e8e8e8;--divider:#d9d9d9;--shadow:0 14px 44px rgba(0,0,0,0.1);--shadow-card:0 2px 8px rgba(0,0,0,0.06)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font-body),"Hiragino Sans","Hiragino Kaku Gothic ProN","Yu Gothic","Meiryo",system-ui,sans-serif;letter-spacing:.01em;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}a{color:inherit;text-decoration:none}a,button{-webkit-tap-highlight-color:transparent}.hero{min-height:92svh;padding:26px clamp(18px,4vw,64px) 72px;background:var(--paper);border-bottom:1px solid var(--line)}.nav{align-items:center;display:flex;justify-content:space-between;margin:0 auto;max-width:1180px}.brand{font-size:1.18rem;gap:10px;letter-spacing:.03em}.brand,.brand-mark{align-items:center;display:inline-flex;font-family:var(--font-display),serif}.brand-mark{background:var(--ink);border-radius:10px;color:var(--paper);height:36px;justify-content:center;width:36px}.nav nav{align-items:center;display:flex;gap:26px;color:var(--muted);font-size:.9rem;font-weight:500;letter-spacing:.02em}.nav nav a{transition:color .16s ease}.nav nav a:hover{color:var(--ink)}.hero-grid{align-items:center;display:grid;grid-gap:clamp(32px,7vw,92px);gap:clamp(32px,7vw,92px);grid-template-columns:minmax(0,.92fr) minmax(320px,1fr);margin:50px auto 0;max-width:1180px}.hero-copy{max-width:640px}.eyebrow,.section-label{color:var(--faint);font-size:.72rem;font-weight:700;letter-spacing:.22em;margin:0 0 14px;text-transform:uppercase}h1,h2,h3,p{margin-top:0}h1,h2{font-family:var(--font-display),serif;letter-spacing:.02em}h1{font-size:clamp(3.4rem,10vw,7rem);line-height:.98;margin-bottom:24px}h2{font-size:clamp(1.9rem,4.4vw,3.4rem);line-height:1.14;margin-bottom:20px}h3{font-size:1.12rem;font-weight:700;letter-spacing:.02em;line-height:1.34;margin-bottom:10px}.lead{color:var(--muted);font-size:clamp(1.02rem,1.7vw,1.22rem);font-weight:500;line-height:1.95;max-width:560px}.hero-actions{align-items:center;display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}.ghost-button,.store-button{align-items:center;border-radius:16px;display:inline-flex;font-weight:700;letter-spacing:.03em;min-height:56px;transition:transform .16s ease,background .16s ease,color .16s ease}.store-button{background:var(--ink);color:var(--paper);gap:12px;padding:10px 24px 10px 16px}.store-button:hover{transform:translateY(-2px)}.store-button.dark{background:var(--paper);color:var(--ink)}.store-button small{display:block;font-size:.66rem;font-weight:500;opacity:.7}.store-icon{align-items:center;background:rgba(255,255,255,.14);border-radius:10px;display:inline-flex;height:34px;justify-content:center;width:34px}.store-button.dark .store-icon{background:var(--surface);border:1px solid var(--line)}.ghost-button{border:1px solid var(--ink);color:var(--ink);padding:0 26px}.ghost-button:hover{background:var(--ink);color:var(--paper)}.note{color:var(--faint);font-size:.84rem;margin-top:18px}.hero-visual{align-items:center;display:grid;grid-template-columns:1fr .7fr;min-height:620px;position:relative}.phone{background:#000;border:8px solid #000;border-radius:38px;box-shadow:var(--shadow);overflow:hidden;position:relative}.phone-main{aspect-ratio:.56;max-width:335px;min-width:260px;transform:rotate(-3deg);z-index:2}.phone-side{aspect-ratio:.56;max-width:230px;min-width:185px;transform:rotate(7deg) translateX(-24px)}.phone-bar{background:#000;border-radius:999px;height:22px;left:50%;position:absolute;top:12px;transform:translateX(-50%);width:104px;z-index:3}.mock-screen,.phone-side{background:var(--surface)}.mock-screen{display:flex;flex-direction:column;gap:16px;height:100%;padding:54px 16px 18px}.mock-photo{align-items:flex-end;background:#f1f1f1;border:1px solid var(--line);border-radius:14px;display:flex;flex:1 1;justify-content:center;min-height:315px;overflow:hidden;position:relative}.mock-photo:before{background:#dedede;border:4px solid var(--surface);border-radius:999px 999px 72px 72px;bottom:34px;content:"";height:178px;position:absolute;width:122px}.mock-photo:after{background:#bdbdbd;border-radius:999px;bottom:190px;content:"";height:78px;position:absolute;width:78px}.handwrite,.sticker{position:absolute;z-index:2}.sticker{color:var(--ink);font-size:2.4rem;font-weight:700}.heart{right:20px;top:64px}.star{left:22px;top:32px}.handwrite{background:var(--ink);border-radius:12px;bottom:22px;color:var(--paper);font-family:var(--font-display),serif;font-size:.86rem;letter-spacing:.04em;padding:8px 14px}.template-row{display:grid;grid-gap:8px;gap:8px;grid-template-columns:repeat(3,1fr)}.template-row span{background:var(--paper);border:1px solid var(--line);border-radius:10px;color:var(--muted);font-size:.76rem;font-weight:500;padding:10px 4px;text-align:center}.mock-screen button{background:var(--ink);border:0;border-radius:14px;color:var(--paper);font:inherit;font-weight:700;letter-spacing:.03em;min-height:46px}.feed-card{background:var(--paper);border:1px solid var(--line);border-radius:14px;margin:58px 14px 14px;padding:12px}.feed-card.small{margin-top:14px}.mini-photo{aspect-ratio:1;background:#ededed;border-radius:10px}.mini-photo.mint{background:#e0e0e0}.feed-line{background:var(--divider);border-radius:999px;height:10px;margin-top:12px}.feed-line.short{width:68%}.feed-actions{color:var(--faint);display:flex;font-size:.78rem;font-weight:500;justify-content:space-between;margin-top:10px}.section{margin:0 auto;max-width:1180px;padding:86px clamp(18px,4vw,64px)}.intro{align-items:flex-start;display:grid;grid-gap:44px;gap:44px;grid-template-columns:.92fr 1fr}.faq-item p,.feature-card p,.intro p:last-child,.split-section p{color:var(--muted);font-size:1rem;line-height:1.9}.section-heading{max-width:720px}.feature-grid{display:grid;grid-gap:16px;gap:16px;grid-template-columns:repeat(3,1fr);margin-top:28px}.faq-item,.feature-card,.prompt-card,.safety-item{background:var(--surface);border:1px solid var(--line);border-radius:14px}.feature-card{box-shadow:var(--shadow-card);padding:28px;transition:transform .18s ease,box-shadow .18s ease}.feature-card:hover{box-shadow:var(--shadow);transform:translateY(-3px)}.feature-icon{align-items:center;background:var(--ink);border-radius:12px;color:var(--paper);display:flex;font-size:1.15rem;height:44px;justify-content:center;margin-bottom:20px;width:44px}.split-section{align-items:center;display:grid;grid-gap:54px;gap:54px;grid-template-columns:.85fr 1fr}.mock-panel{background:var(--surface);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow-card);display:grid;grid-gap:12px;gap:12px;padding:20px}.prompt-card{display:grid;grid-gap:6px;gap:6px;padding:18px}.prompt-card.color{background:var(--ink);border-color:var(--ink)}.prompt-card.color span{color:rgba(255,255,255,.6)}.prompt-card.color strong{color:var(--paper)}.prompt-card span{color:var(--faint);font-size:.8rem;font-weight:500;letter-spacing:.04em}.prompt-card strong{font-family:var(--font-display),serif;font-size:1.08rem;font-weight:400;letter-spacing:.02em}.safety-section{background:var(--ink);border-radius:0;color:var(--paper);max-width:none}.safety-list,.safety-section .section-heading{margin-left:auto;margin-right:auto;max-width:1180px}.safety-section .section-label{color:rgba(255,255,255,.55)}.safety-list{display:grid;grid-gap:12px;gap:12px;grid-template-columns:repeat(3,1fr);margin-top:28px}.safety-item{align-items:flex-start;background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.12);display:flex;gap:12px;padding:22px}.safety-item span{align-items:center;background:var(--paper);border-radius:999px;color:var(--ink);display:inline-flex;flex:0 0 26px;font-weight:700;height:26px;justify-content:center}.safety-item p{line-height:1.75;margin:0}.faq-list{display:grid;grid-gap:12px;gap:12px;margin-top:26px}.faq-item{padding:22px 24px}.faq-item p{margin-bottom:0}.cta-band{background:var(--ink);color:var(--paper);padding:92px 18px;text-align:center}.cta-band .section-label{color:rgba(255,255,255,.55)}.cta-band .store-button.dark:hover{transform:translateY(-2px)}.cta-band h2{margin-left:auto;margin-right:auto;max-width:720px}.footer{align-items:center;display:flex;gap:18px;justify-content:space-between;margin:0 auto;max-width:1180px;padding:28px clamp(18px,4vw,64px)}.footer-links{display:flex;flex-wrap:wrap;gap:16px;justify-content:center}.footer,.footer a,.footer p{color:var(--muted);font-size:.9rem;font-weight:700}.footer p{margin:0}.legal-shell{margin:0 auto;max-width:940px;padding:22px clamp(18px,5vw,54px) 72px}.legal-header{align-items:center;display:flex;justify-content:space-between;margin-bottom:62px}.legal-header nav{display:flex;gap:18px;color:var(--muted);font-size:.92rem;font-weight:800}.legal-content{background:white;border:1px solid var(--line);border-radius:8px;padding:clamp(22px,5vw,52px)}.legal-content h1{font-size:clamp(2.2rem,7vw,4.6rem);line-height:1}.legal-content h2{font-size:1.35rem;margin-top:34px}.legal-content li,.legal-content p{color:var(--muted);line-height:1.9}.legal-content ul{padding-left:1.2rem}.legal-meta{color:var(--coral);font-weight:900}.legal-content h3{font-size:1.05rem;margin-top:24px}.legal-content .legal-table{border-collapse:collapse;font-size:.92rem;margin:14px 0 6px;width:100%}.legal-content .legal-table td,.legal-content .legal-table th{border:1px solid var(--line);padding:8px 10px;text-align:left;vertical-align:top;color:var(--muted);line-height:1.6}.legal-content .legal-table thead th{background:#faf6f4;color:inherit;font-weight:800}.legal-content .legal-table code{background:#f3eeec;border-radius:4px;font-size:.85em;padding:1px 6px}@media (max-width:640px){.legal-content .legal-table{display:block;overflow-x:auto;white-space:nowrap}}@media (max-width:900px){.hero{padding-bottom:42px}.nav{align-items:flex-start;gap:18px}.nav nav{flex-wrap:wrap;gap:12px 16px;justify-content:flex-end}.hero-grid,.intro,.split-section{grid-template-columns:1fr}.hero-grid{margin-top:44px}.hero-visual{grid-template-columns:minmax(0,1fr);justify-items:center;min-height:auto}.phone-side{display:none}.phone-main{transform:none}.feature-grid,.safety-list{grid-template-columns:1fr}.footer{align-items:flex-start;flex-direction:column}}@media (max-width:540px){.hero{min-height:auto}.nav{display:grid}.legal-header nav,.nav nav{justify-content:flex-start}.ghost-button,.hero-actions,.store-button{width:100%}.ghost-button,.store-button{justify-content:center}.phone-main{min-width:0;width:min(100%,310px)}.section{padding-bottom:60px;padding-top:60px}.legal-header{align-items:flex-start;flex-direction:column;gap:18px;margin-bottom:32px}.legal-header nav{flex-wrap:wrap}}.app-main{background:var(--paper);min-height:100svh;padding:22px clamp(18px,4vw,64px) 72px}.app-header{gap:16px;justify-content:space-between;margin:0 auto 38px;max-width:1180px}.app-header,.app-nav{align-items:center;display:flex}.app-nav{flex-wrap:wrap;font-size:.92rem;font-weight:700;gap:18px;justify-content:flex-end}.app-nav,.app-nav a{color:var(--muted)}.header-btn{align-items:center;background:white;border:1px solid var(--line);border-radius:999px;color:var(--ink);cursor:pointer;display:inline-flex;font-weight:800;font-size:.9rem;height:38px;padding:0 16px;transition:background .15s ease}.header-btn:hover:not(:disabled){background:#fcf3ee}.header-btn:disabled{opacity:.5;cursor:not-allowed}.header-btn-primary{background:var(--ink);border-color:var(--ink);color:white}.header-btn-primary:hover:not(:disabled){background:#3a2c33}.credit-badge{align-items:center;background:white;border:1px solid var(--line);border-radius:999px;color:var(--ink);display:inline-flex;font-weight:800;font-size:.88rem;gap:6px;padding:6px 14px}.credit-badge-icon{color:var(--coral);font-size:.95rem}.credit-badge-value{font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.credit-badge-label{color:var(--muted);font-weight:700}.app-section{margin:0 auto;max-width:1180px}.app-card{background:white;border:1px solid var(--line);border-radius:22px;box-shadow:0 12px 40px rgba(62,45,54,.06);padding:clamp(24px,4vw,38px)}.app-title{font-size:clamp(1.7rem,4vw,2.6rem);line-height:1.15;margin-bottom:12px}.app-title-sm{font-size:clamp(1.2rem,2.6vw,1.5rem);line-height:1.2;margin-bottom:18px}.app-lead{color:var(--muted);font-size:1rem;font-weight:600;line-height:1.7;margin-bottom:26px}.app-state-block{align-items:center;color:var(--muted);display:flex;flex-direction:column;gap:14px;justify-content:center;min-height:220px;padding:32px;text-align:center}.app-auth{display:grid;justify-content:center}.app-auth .app-card{max-width:480px;width:100%}.auth-buttons{display:grid;grid-gap:12px;gap:12px;margin:18px 0 14px}.auth-btn{align-items:center;border-radius:12px;border:1px solid transparent;cursor:pointer;display:flex;font-size:1rem;font-weight:800;gap:12px;height:52px;justify-content:center;transition:opacity .15s ease,background .15s ease;width:100%}.auth-btn:disabled{cursor:not-allowed;opacity:.6}.auth-btn-apple{background:#000;color:#fff}.auth-btn-apple span{font-size:1.2rem}.auth-btn-google{background:#fff;border-color:#dadce0;color:#3c4043}.auth-btn-google span{background:#fff;border:1px solid #dadce0;border-radius:4px;color:#4285f4;display:inline-grid;font-family:Roboto,system-ui,sans-serif;font-weight:900;height:22px;place-items:center;width:22px}.auth-error{color:#c0394e;font-size:.92rem;margin:12px 0 0}.auth-fine{color:var(--muted);font-size:.82rem;line-height:1.7;margin-top:18px}.auth-fine a{color:var(--coral);margin:0 2px;text-decoration:underline}.generate-grid{display:grid;grid-gap:clamp(20px,3vw,32px);gap:clamp(20px,3vw,32px);grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.field{display:flex;flex-direction:column;gap:8px;margin-bottom:22px;position:relative}.field-label{color:var(--ink);font-size:.92rem;font-weight:800}.field-textarea{background:#fffaf8;border:1px solid var(--line);border-radius:14px;color:var(--ink);font-family:inherit;font-size:1rem;line-height:1.6;min-height:140px;padding:14px 16px;resize:vertical;transition:border-color .15s ease;width:100%}.field-textarea:focus{border-color:var(--coral);outline:none}.field-counter{color:var(--muted);font-size:.78rem;text-align:right}.chip-row{display:flex;flex-wrap:wrap;gap:8px}.chip{background:white;border:1px solid var(--line);border-radius:999px;color:var(--ink);cursor:pointer;font-size:.9rem;font-weight:700;height:36px;padding:0 16px;transition:background .15s ease,color .15s ease}.chip-active{background:var(--ink);border-color:var(--ink);color:white}.quality-toggle{align-items:flex-start;background:#fffaf8;border:1px solid var(--line);border-radius:14px;cursor:pointer;display:flex;gap:12px;margin-bottom:18px;padding:14px 16px}.quality-toggle input{accent-color:var(--coral);height:18px;margin-top:2px;width:18px}.quality-toggle span{display:flex;flex-direction:column;gap:4px}.quality-toggle strong{font-size:.98rem;font-weight:800}.quality-toggle small{color:var(--muted);font-size:.82rem}.cost-row{align-items:center;background:#fcf3ee;border-radius:14px;color:var(--ink);display:flex;font-size:.95rem;font-weight:800;justify-content:space-between;margin-bottom:18px;padding:14px 18px}.cost-row strong{color:var(--coral);font-size:1.1rem}.primary-btn{align-items:center;background:var(--ink);border:none;border-radius:999px;color:white;cursor:pointer;display:inline-flex;font-size:1rem;font-weight:800;gap:8px;height:52px;justify-content:center;padding:0 24px;text-decoration:none;transition:background .15s ease,opacity .15s ease;width:100%}.primary-btn:hover:not(:disabled){background:#3a2c33}.primary-btn:disabled{cursor:not-allowed;opacity:.4}.primary-btn-sm{font-size:.92rem;height:40px;padding:0 18px;width:auto}.ghost-btn{align-items:center;background:white;border:1px solid var(--line);border-radius:999px;color:var(--ink);cursor:pointer;display:inline-flex;font-size:.95rem;font-weight:800;gap:6px;height:44px;justify-content:center;padding:0 20px;text-decoration:none;transition:background .15s ease}.ghost-btn:hover:not(:disabled){background:#fcf3ee}.ghost-btn-sm{font-size:.85rem;height:34px;padding:0 14px}.generate-result{align-items:stretch;display:flex;flex-direction:column;min-height:480px}.result-placeholder{align-items:center;border:1px dashed var(--line);border-radius:18px;color:var(--muted);display:flex;flex:1 1;flex-direction:column;font-size:.92rem;gap:14px;justify-content:center;padding:28px;text-align:center}.spinner{animation:spin .9s linear infinite;border-radius:50%;border:3px solid #f0e4e0;border-top:3px solid var(--coral);height:32px;width:32px}@keyframes spin{to{transform:rotate(1turn)}}.result-success{display:flex;flex-direction:column;gap:18px}.result-image-wrap{background:#f7eee9;border-radius:18px;overflow:hidden}.result-image{display:block;height:auto;max-height:540px;object-fit:contain;width:100%}.result-actions{display:flex;flex-wrap:wrap;gap:10px}.result-actions .ghost-btn,.result-actions .primary-btn{flex:1 1;min-width:0;width:auto}.result-link{color:var(--coral);font-size:.92rem;font-weight:800;text-decoration:none}.history-head{align-items:flex-end;display:flex;flex-wrap:wrap;gap:16px;justify-content:space-between;margin-bottom:24px}.history-empty{align-items:center;display:flex;flex-direction:column;gap:16px;text-align:center}.history-grid{display:grid;grid-gap:18px;gap:18px;grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}.history-card{background:white;border:1px solid var(--line);border-radius:18px;display:flex;flex-direction:column;overflow:hidden;transition:transform .15s ease,box-shadow .15s ease}.history-card:hover{box-shadow:0 16px 40px rgba(62,45,54,.08);transform:translateY(-2px)}.history-image-wrap{aspect-ratio:1/1;background:#f7eee9;display:grid;overflow:hidden;place-items:center}.history-image{display:block;height:100%;object-fit:cover;width:100%}.history-image-placeholder{color:var(--muted);font-size:.92rem;font-weight:800}.history-meta{display:flex;flex-direction:column;gap:8px;padding:14px 16px 16px}.history-tags{display:flex;flex-wrap:wrap;gap:6px}.tag{background:#fcf3ee;border-radius:999px;color:var(--coral);font-size:.72rem;font-weight:800;padding:3px 10px}.tag-quiet{background:#f6f1f0;color:var(--muted)}.history-prompt{color:var(--ink);display:-webkit-box;font-size:.9rem;font-weight:600;line-height:1.5;margin:0;overflow:hidden;-webkit-box-orient:vertical;-webkit-line-clamp:3}.history-date{color:var(--muted);font-size:.78rem;margin:0}.history-actions{display:flex;gap:8px;margin-top:6px}@media (max-width:900px){.generate-grid{grid-template-columns:1fr}.app-header{align-items:flex-start;flex-direction:column}.app-nav{justify-content:flex-start}}@media (max-width:540px){.app-main{padding-bottom:56px}.history-head{align-items:flex-start;flex-direction:column}}