/* Existing Mero blue with a paper-white editorial layout. Native CSS.
   Radius rule: buttons 999px, images 18px, fields and content blocks 12px.
   DESIGN_VARIANCE 6 / MOTION_INTENSITY 3 / VISUAL_DENSITY 3. */
:root{--blue:#3155e7;--blue-hover:#2342c2;--ink:#19202c;--muted:#5b6475;--paper:#fcfcfa;--tint:#f0f3ff;--line:#e0e4ed;--field:#fff;color-scheme:light;font-family:-apple-system,BlinkMacSystemFont,"Hiragino Kaku Gothic ProN","Yu Gothic",sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:96px}body{margin:0;background:var(--paper);color:var(--ink);line-height:1.8;overflow-wrap:anywhere}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}button,a,input,textarea,summary{-webkit-tap-highlight-color:transparent}button{cursor:pointer}img{display:block;max-width:100%;height:auto}[hidden]{display:none!important}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid var(--blue);outline-offset:4px}h1,h2,h3,p{margin:0}h1,h2,h3{line-height:1.5;font-weight:750;letter-spacing:-.045em}h2{font-size:clamp(26px,3vw,38px)}h3{font-size:21px}main:focus{outline:none}.skip-link{position:fixed;top:-100px;left:16px;z-index:10;background:var(--blue);color:white;padding:8px 16px}.skip-link:focus{top:12px}.site-header{position:sticky;top:0;z-index:5;background:var(--paper);border-bottom:1px solid var(--line)}.nav-wrap{max-width:1200px;margin:auto;height:76px;display:flex;align-items:center;gap:32px;padding:0 32px}.brand{display:flex;align-items:center;gap:10px;font-size:30px;letter-spacing:-.08em;font-weight:850;line-height:1}.brand img{border-radius:10px}.nav-wrap nav{display:flex;gap:28px;margin-left:auto;font-size:14px;font-weight:650;white-space:nowrap}.nav-wrap nav a{padding:12px 0}.nav-wrap nav a[aria-current]{color:var(--blue)}.button{display:inline-flex;justify-content:center;align-items:center;gap:18px;border:0;border-radius:999px;background:var(--blue);color:white;font-size:15px;font-weight:700;padding:15px 24px;line-height:1.5;min-height:52px;white-space:nowrap;transition:background .15s,transform .15s}.button:hover{background:var(--blue-hover)}.button:active,.small-button:active{transform:scale(.98)}.nav-download{font-size:12px;padding:12px 18px;min-height:44px;gap:12px}.hero{max-width:1200px;margin:auto;display:grid;grid-template-columns:1.1fr 1fr;align-items:center;gap:44px;padding:50px 32px 56px;min-height:650px}.eyebrow{font-size:14px;font-weight:650;color:var(--blue);margin-bottom:20px}.hero h1{font-size:clamp(38px,4.4vw,58px);line-height:1.4;letter-spacing:-.07em}.hero-description{font-size:18px;color:var(--muted);margin-top:24px}.hero-actions{display:flex;flex-direction:column;align-items:flex-start;gap:22px;margin-top:32px}.secondary-link{font-size:14px;display:flex;gap:12px;align-items:center}.hero-visual{position:relative;width:100%;height:514px}.hero-story{position:absolute;width:226px;border-radius:18px;box-shadow:0 18px 40px rgb(35 66 194 / .14)}.story-front{left:22%;top:20px;transform:rotate(-7deg)}.story-back{left:53%;top:0;transform:rotate(8deg);width:190px}.intro-section{max-width:1136px;margin:24px auto 0;padding:56px 60px;background:var(--tint);border-radius:18px}.intro-section p{font-size:16px;color:var(--muted);margin-top:22px}.section-shortcuts{display:flex;gap:40px;margin-top:28px;font-size:15px;font-weight:700;color:var(--blue)}.section-shortcuts a{display:flex;gap:18px;align-items:center}.guides-section,.related-section{max-width:1200px;margin:auto;padding:76px 32px}.catalog{margin-top:28px}.search-wrap{display:grid;grid-template-columns:1fr;max-width:520px;gap:8px;margin-bottom:24px}.search-wrap label{font-size:14px;font-weight:600}.search-wrap input{width:100%;border:1px solid var(--line);border-radius:12px;background:var(--field);color:var(--ink);padding:13px 18px;min-height:50px}.search-count{font-size:13px;color:var(--muted);min-height:24px}.guide-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px 40px}.guide-card{padding:24px 0;border-top:1px solid var(--line);display:block}.guide-card h3{margin:8px 0 12px}.guide-card p{color:var(--muted);font-size:14px;max-width:48ch}.guide-card:hover h3,.guide-card:hover .text-link{color:var(--blue)}.guide-type{font-size:12px;color:var(--muted);font-weight:600}.text-link{display:inline-flex;gap:18px;margin-top:20px;font-size:13px;font-weight:700}.empty-state{padding:40px 0;color:var(--muted)}.promo{max-width:1136px;margin:0 auto 48px;border-radius:18px;padding:44px 60px;background:var(--tint);display:grid;grid-template-columns:1fr 240px;gap:52px;align-items:center;overflow:hidden}.promo>div>img{border-radius:12px;margin-bottom:22px}.promo h2{margin-bottom:18px}.promo p{color:var(--muted);font-size:15px}.promo .button{margin:26px 0 16px}.promo .fine-print{font-size:12px;max-width:400px;line-height:1.8}.promo-shot{max-height:410px;width:auto;border-radius:18px;margin:auto}.site-footer{max-width:1200px;margin:auto;padding:44px 32px 36px;border-top:1px solid var(--line)}.site-footer>p{font-size:13px;color:var(--muted);margin:16px 0 22px}.footer-links{display:flex;gap:24px;flex-wrap:wrap;font-size:12px;color:var(--muted)}.site-footer small{display:block;margin-top:22px;color:var(--muted);font-size:11px}.collection-head{max-width:1200px;margin:auto;padding:60px 32px 12px}.collection-head h1{font-size:clamp(32px,4vw,50px);margin-top:28px}.collection-head>p{max-width:640px;color:var(--muted);margin-top:24px}.collection-guides{padding-top:20px}.back-link{display:inline-flex;gap:12px;font-size:13px;color:var(--blue);font-weight:650}.guide-article{max-width:830px;margin:auto;padding:44px 32px 64px}.breadcrumbs{display:flex;gap:14px;font-size:12px;color:var(--muted);margin-bottom:32px}.article-head h1{font-size:clamp(30px,4vw,46px);line-height:1.5}.article-head>p{font-size:16px;color:var(--muted);margin-top:24px;max-width:640px}.article-head .article-meta{font-size:12px;margin-top:18px}.examples-section,.template-section{margin-top:44px}.section-description,.template-section>p{font-size:14px;color:var(--muted);margin-top:16px}.examples-list{display:grid;gap:22px;margin-top:26px}.example{border-radius:12px;background:var(--tint);padding:24px 28px}.example-top{display:flex;gap:20px;align-items:center;justify-content:space-between}.example-top h3{font-size:16px;letter-spacing:-.02em}.copy-button{border:1px solid var(--line);border-radius:999px;background:var(--field);color:var(--ink);padding:9px 16px;min-height:44px;white-space:nowrap;font-size:12px}.copy-button:hover{border-color:var(--blue);color:var(--blue)}.example-text{font-size:18px;line-height:1.9;margin-top:18px}.next-message{font-size:13px;color:var(--muted);margin-top:18px}.tips-section,.faq-section{margin-top:54px}.tips-grid{display:grid;grid-template-columns:1fr 1fr;gap:34px;margin-top:28px}.tips-grid h3{font-size:17px;margin-bottom:12px}.tips-grid p{font-size:14px;color:var(--muted)}.faq-section details{margin-top:22px;border-bottom:1px solid var(--line);padding-bottom:20px}.faq-section summary{cursor:pointer;font-size:15px;font-weight:600;min-height:44px;align-content:center}.faq-section details p{font-size:14px;color:var(--muted);padding-top:12px}.related-section h3{font-size:19px}.related-section .guide-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:32px}.related-section>.back-link{margin-top:20px}.input-pair{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:26px 0 18px}.template-section label{display:block;font-size:13px;font-weight:600;margin-bottom:8px}.input-pair input{width:100%;min-height:48px;border:1px solid var(--line);border-radius:12px;background:var(--field);color:var(--ink);padding:12px 16px}::placeholder{color:#697386}.small-button{border:1px solid var(--line);background:var(--field);border-radius:999px;color:var(--ink);padding:10px 20px;min-height:44px;font-size:13px;font-weight:600}.small-button:hover{border-color:var(--blue)}#personalize-form{margin-bottom:26px}textarea{width:100%;min-height:480px;resize:vertical;background:var(--field);border:1px solid var(--line);border-radius:12px;color:var(--ink);font-size:14px;line-height:1.9;padding:22px}.tool-actions{display:flex;gap:14px;align-items:center;flex-wrap:wrap;margin-top:18px}.text-button{border:0;background:transparent;color:var(--muted);font-size:12px;min-height:44px;padding:8px 0;text-decoration:underline;text-underline-offset:4px}.template-section .tool-note{font-size:12px;line-height:1.9;margin-top:18px}.action-status{position:fixed;bottom:28px;left:50%;transform:translate(-50%,12px);max-width:calc(100% - 32px);width:max-content;background:var(--ink);color:var(--paper);border-radius:12px;padding:12px 22px;font-size:13px;opacity:0;pointer-events:none;transition:opacity .18s,transform .18s;z-index:10}.action-status.shown{opacity:1;transform:translate(-50%,0)}
@media(min-width:1200px){.hero-visual{height:520px}.story-front{left:19%;width:230px}.story-back{left:54%;width:205px}}
@media(max-width:1023px){.nav-wrap{gap:20px}.hero{gap:20px;min-height:580px}.hero h1{font-size:42px}.hero-visual{height:460px}.hero-story{width:190px}.story-front{left:12%;top:30px}.story-back{left:48%;width:166px}.intro-section,.promo{margin-left:32px;margin-right:32px}.related-section .guide-grid{grid-template-columns:1fr 1fr}}
@media(max-width:767px){html{scroll-padding-top:76px}.nav-wrap{height:66px;padding:0 20px;gap:20px}.brand{font-size:27px}.brand img{width:32px;height:32px;border-radius:9px}.nav-wrap nav{gap:20px;font-size:12px}.nav-download{display:none}.hero{grid-template-columns:1fr;padding:36px 24px 28px;gap:26px;min-height:0}.eyebrow{font-size:12px;margin-bottom:16px}.hero h1{font-size:39px;line-height:1.45}.hero-description{font-size:16px;margin-top:18px}.hero-actions{margin-top:24px;gap:18px}.hero-visual{height:388px;max-width:400px;margin:8px auto 0}.hero-story{width:164px}.story-front{left:14%;top:10px}.story-back{left:50%;width:151px;top:4px}.intro-section{margin:0 20px;padding:32px 24px;border-radius:18px}.intro-section p{font-size:14px;margin-top:18px}.intro-section br{display:none}.intro-section h2 br{display:block}.section-shortcuts{gap:20px;flex-wrap:wrap;font-size:13px;margin-top:24px}.section-shortcuts a{gap:10px}.guides-section,.related-section{padding:44px 24px}.guide-grid,.related-section .guide-grid{grid-template-columns:1fr;gap:0}.guide-card{padding:24px 0}.guide-card h3{font-size:21px}.promo{margin:0 20px 32px;padding:32px 24px;grid-template-columns:1fr;gap:26px}.promo h2{font-size:29px}.promo-shot{max-height:360px;margin:0 auto}.promo .fine-print{font-size:11px}.site-footer{padding:32px 24px}.footer-links{gap:16px 22px}.collection-head{padding:36px 24px 0}.collection-head h1{font-size:32px;margin-top:22px}.collection-head>p{font-size:14px;margin-top:18px}.collection-guides{padding-top:0}.guide-article{padding:28px 24px 44px}.breadcrumbs{margin-bottom:24px}.article-head h1{font-size:30px}.article-head>p{font-size:14px;margin-top:18px}.article-head .article-meta{font-size:11px}.examples-section,.template-section{margin-top:34px}.example{padding:20px}.example-text{font-size:17px}.example-top h3{font-size:15px}.copy-button{padding:9px 14px}.tips-grid{grid-template-columns:1fr;gap:26px}.tips-section,.faq-section{margin-top:38px}.input-pair{grid-template-columns:1fr;gap:16px}.template-section>p{font-size:13px}textarea{min-height:550px;padding:16px;font-size:14px}.tool-actions{gap:10px}.tool-actions .button{font-size:14px;padding:13px 18px}.tool-actions .small-button{padding:11px 16px}.action-status{bottom:20px}}
@media(max-width:359px){.hero h1{font-size:34px}.nav-wrap{gap:12px}.nav-wrap nav{gap:14px}.hero-story{width:145px}.story-back{width:128px}.hero-visual{height:348px}.article-head h1,.collection-head h1{font-size:26px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}}
/* Match the current native HibiTheme / MeroSurface / MeroGlass family.
   One light theme: soft gray paper, ink actions, white rounded surfaces.
   Web blur is an approximation of the app's glass material. */
:root{--paper:#f2f3f2;--ink:#2b2e2b;--muted:#626962;--line:#dfe2de;--tint:#ffffffb8;--field:#fff;--blue:#2b2e2b;--blue-hover:#111511;color-scheme:light}
h1,h2,h3{font-weight:600;letter-spacing:-.035em}.site-header{background:#f2f3f2e6;backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-bottom:0}.nav-wrap{gap:24px}.nav-wrap nav{gap:6px}.nav-wrap nav a{padding:10px 16px;border-radius:999px;min-height:44px}.nav-wrap nav a[aria-current]{background:#ffffffc9}.brand{font-size:27px}.button{background:var(--ink);font-weight:600;box-shadow:0 5px 20px #2b2e2b0a}.button:hover{background:var(--blue-hover)}.hero{grid-template-columns:1.2fr 1fr;gap:56px;padding-top:32px;min-height:660px}.hero h1{font-size:clamp(36px,4.4vw,56px);font-weight:550;letter-spacing:-.055em}.eyebrow{color:var(--muted);font-weight:500}.hero-visual{position:relative;margin:0;width:264px;height:auto;justify-self:center}.hero-screen{width:100%;border-radius:36px;box-shadow:0 24px 60px #2b2e2b10}.hero-visual figcaption,.promo-visual figcaption{font-size:11px;color:var(--muted);text-align:center;margin-top:12px}.hero-description{line-height:1.9}.home-comparisons{padding-top:4px}.home-comparisons>.back-link{margin-top:24px}.intro-section,.promo{background:var(--tint);border-radius:32px;box-shadow:0 6px 24px #2b2e2b04}.guide-grid{gap:16px}.guide-card{background:#ffffffc9;border:0;border-radius:26px;padding:28px;box-shadow:0 5px 18px #2b2e2b03}.guide-card h3{font-size:20px}.guide-card:hover{background:white}.guide-card:hover h3,.guide-card:hover .text-link{text-decoration:underline;text-underline-offset:5px}.guide-card p{line-height:1.9}.promo-visual{margin:0}.promo-shot{max-height:410px;border-radius:28px}.example{background:white;border-radius:26px;padding:26px}.copy-button,.small-button{border:0;box-shadow:0 4px 20px #2b2e2b08}.copy-button{background:var(--paper)}.search-wrap input,.input-pair input,textarea{border:0;border-radius:22px;box-shadow:0 2px 12px #2b2e2b03}.search-wrap input{border-radius:999px}.search-wrap{max-width:580px}::placeholder{color:var(--muted)}.comparison-article{max-width:1000px}.comparison-section,.fit-section,.sources-section{margin-top:44px}.comparison-table{width:100%;table-layout:fixed;border-collapse:separate;border-spacing:0;margin-top:24px;background:white;border-radius:26px;overflow:hidden;font-size:14px;line-height:1.9}.comparison-table caption{text-align:left;font-size:13px;color:var(--muted);margin-bottom:12px}.comparison-table th,.comparison-table td{text-align:left;vertical-align:top;padding:20px;border-bottom:1px solid var(--paper);font-weight:400}.comparison-table thead th{font-weight:600;background:#e9ece8}.comparison-table th:first-child{width:24%}.comparison-table tbody th{font-weight:600}.comparison-table tr:last-child>*{border-bottom:0}.comparison-table a{text-decoration:underline;text-underline-offset:3px;font-size:12px}.fit-options{display:grid;grid-template-columns:1fr 1fr;gap:36px;margin-top:26px}.fit-options h3{font-size:19px;margin-bottom:14px}.fit-options p{font-size:15px;color:var(--muted);line-height:1.9}.fit-options .button{margin-top:22px}.sources-section{background:#ffffffb8;border-radius:26px;padding:28px}.sources-section h2{font-size:22px}.sources-section p,.sources-section li{font-size:13px;color:var(--muted);line-height:1.9}.sources-section p{margin-top:16px}.sources-section ol{padding-left:22px}.sources-section li{padding:8px 0;scroll-margin-top:100px}.sources-section a{color:var(--ink);text-decoration:underline;text-underline-offset:4px}
@media(max-width:767px){.nav-wrap{gap:12px;padding:0 20px}.nav-wrap nav{gap:0}.nav-wrap nav a{padding:10px 12px}.brand{font-size:24px}.hero{grid-template-columns:1fr;padding:32px 24px 40px;gap:36px;min-height:0}.hero h1{font-size:36px}.hero-visual{width:234px;height:auto;margin:0 auto}.hero-screen{border-radius:32px}.home-comparisons{padding-top:0}.guide-grid,.related-section .guide-grid{gap:14px}.guide-card{padding:24px}.intro-section,.promo{border-radius:28px}.promo-shot{max-height:360px}.comparison-section,.fit-section,.sources-section{margin-top:34px}.comparison-table{font-size:13px}.comparison-table th,.comparison-table td{padding:14px 10px}.comparison-table th:first-child{width:24%}.fit-options{grid-template-columns:1fr;gap:26px}.sources-section{padding:24px}.sources-section h2{font-size:21px}.sources-section li{scroll-margin-top:78px}}
@media(max-width:359px){.hero h1{font-size:30px}.nav-wrap nav a{padding:10px 9px}.nav-wrap{padding:0 16px}.comparison-article{padding-left:20px;padding-right:20px}.comparison-table th,.comparison-table td{padding:12px 8px}.comparison-table{font-size:12px}.hero-visual{width:220px}}
@media(prefers-reduced-transparency:reduce){.site-header{background:var(--paper);backdrop-filter:none;-webkit-backdrop-filter:none}}
/* Writing notes and browser-local creative tools. */
.writing-blocks>section{margin:0 0 36px}.writing-blocks h2{font-size:clamp(21px,4.8vw,29px);line-height:1.5;margin:0 0 12px}.writing-blocks p,.writing-blocks li{line-height:1.9;color:var(--muted)}.writing-blocks ul{padding-left:1.4em}.writing-sample{background:#fff;border-radius:24px;padding:22px;margin-top:18px}.writing-sample pre{font:inherit;line-height:1.9;white-space:pre-wrap;overflow-wrap:anywhere;margin:0 0 12px;color:var(--ink)}.guide-tool{background:white;border-radius:28px;padding:30px;margin-bottom:42px}.guide-tool h2{margin-top:0;line-height:1.5}.tool-fields{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:22px}.guide-tool label{display:block;font-size:14px;font-weight:600;margin-bottom:8px}.guide-tool input:not([type=checkbox]),.guide-tool select{width:100%;font:inherit;color:var(--ink);background:#f2f3f2;border:1px solid #d9ddd8;border-radius:14px;min-height:48px;padding:12px;box-sizing:border-box}.guide-tool #tool-result{width:100%;min-height:310px;margin-top:4px;background:#f8f9f7}.guide-tool form+label{margin-top:24px}.tool-checklist{border:0;padding:0;margin:22px 0}.tool-checklist legend{font-size:14px;margin-bottom:10px}.tool-checklist label{display:flex;align-items:flex-start;gap:12px;padding:12px 0;line-height:1.7}.tool-checklist input{accent-color:#2b2e2b;width:20px;height:20px;flex-shrink:0;margin-top:3px}.guide-tool .tool-note{line-height:1.7}.guide-tool .button{white-space:normal;text-align:center}.guide-tool select:focus-visible{outline:3px solid #6b7766;outline-offset:3px}@media(max-width:600px){.tool-fields{grid-template-columns:1fr}.guide-tool{padding:20px}.guide-tool h2{font-size:22px}.writing-sample{padding:18px}.tool-actions{gap:14px}}