/* hotahota shared design system. Each product page overrides only the --accent / --bg / --ink tokens. */
:root {
  --bg: #fff;
  --ink: #1d1d1f;
  --muted: #6e6e73;
  --line: rgba(0, 0, 0, .1);
  --accent: #1d1d1f;
  --soft: #f5f5f7;
  --ease: cubic-bezier(.16, 1, .3, 1);
  --on-accent: #fff;
  --gutter: clamp(16px, 5vw, 56px);
  --measure: 1120px;
  --nav-h: 44px;
  --sub-h: 52px;
  --section: clamp(88px, 15vw, 180px);
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Yu Gothic", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--sub-h) + 16px); }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--font); font-size: 17px; line-height: 1.7; -webkit-font-smoothing: antialiased; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
h1, h2, h3, p, ol, ul { margin: 0; padding: 0; }
ol, ul { list-style: none; }
h1, h2, h3 { font-weight: 600; letter-spacing: -.015em; line-height: 1.2; word-break: auto-phrase; text-wrap: balance; }
.nb { display: inline-block; }
.wrap { width: min(100% - var(--gutter) * 2, var(--measure)); margin-inline: auto; }
.section { padding-block: var(--section); }
.display { font-size: clamp(2.25rem, 8.4vw, 5rem); }
.lead { font-size: clamp(1.0625rem, 2.2vw, 1.3125rem); line-height: 1.75; color: var(--muted); font-weight: 400; text-wrap: pretty; }
.eyebrow { font-size: 1.0625rem; font-weight: 600; }

/* Global nav */
.gnav { height: var(--nav-h); display: flex; align-items: center; background: var(--soft); color: var(--ink); font-size: .75rem; }
.gnav .wrap { display: flex; align-items: center; justify-content: space-between; }
.gnav a { text-decoration: none; display: inline-flex; align-items: center; min-height: var(--nav-h); }
.gnav .brand { font-weight: 600; font-size: .875rem; }
.gnav ul { display: flex; gap: 22px; }

/* Product subnav: the same on every product page */
.subnav { position: sticky; top: 0; z-index: 50; height: var(--sub-h); display: flex; align-items: center; background: color-mix(in srgb, var(--bg) 82%, transparent); -webkit-backdrop-filter: saturate(170%) blur(18px); backdrop-filter: saturate(170%) blur(18px); border-bottom: 1px solid var(--line); }
.subnav .wrap { display: flex; align-items: center; gap: 24px; }
.subnav .name { font-weight: 600; font-size: 1.125rem; text-decoration: none; letter-spacing: -.01em; margin-right: auto; }
.subnav ul { display: flex; gap: 22px; font-size: .75rem; color: var(--muted); }
.subnav ul a { text-decoration: none; }
@media (max-width: 640px) { .subnav ul { display: none; } }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 26px; border-radius: 999px; background: var(--accent); color: var(--on-accent); border: 1.5px solid var(--accent); font: inherit; font-weight: 500; font-size: 1rem; text-decoration: none; transition: transform .25s var(--ease), opacity .25s ease; }
.btn:hover { opacity: .82; }
.btn:active { transform: scale(.97); }
.btn.ghost { background: transparent; color: var(--ink); border-color: currentColor; }
.btn.sm { min-height: 30px; padding: 0 13px; font-size: .75rem; }
.subnav .btn.sm { position: relative; }
.subnav .btn.sm::after { content: ""; position: absolute; inset: -8px -2px; }
:focus-visible { outline: 3px solid var(--ink); outline-offset: 3px; border-radius: 4px; }

/* Spec table and FAQ */
.spec { width: 100%; border-collapse: collapse; }
.spec th, .spec td { text-align: left; vertical-align: top; padding: 20px 0; border-top: 1px solid var(--line); font-weight: 400; }
.spec th { width: 34%; padding-right: 20px; font-weight: 600; white-space: nowrap; }
.spec tr:last-child th, .spec tr:last-child td { border-bottom: 1px solid var(--line); }
.fold { border-top: 1px solid var(--line); }
.fold:last-of-type { border-bottom: 1px solid var(--line); }
.fold summary { display: flex; justify-content: space-between; gap: 20px; align-items: center; min-height: 64px; padding: 14px 0; font-weight: 500; font-size: 1.0625rem; cursor: pointer; list-style: none; }
.fold summary::-webkit-details-marker { display: none; }
.fold summary::after { content: "+"; font-size: 1.5rem; font-weight: 400; line-height: 1; transition: transform .2s ease; }
.fold[open] summary::after { transform: rotate(45deg); }
.fold > div { padding: 0 0 24px; color: var(--muted); max-width: 44em; }

/* Footer */
.footer { background: var(--soft); color: var(--muted); font-size: .75rem; padding-block: 36px; }
.footer .wrap { display: flex; flex-wrap: wrap; gap: 14px 28px; justify-content: space-between; }
.footer ul { display: flex; flex-wrap: wrap; gap: 6px 22px; }
.footer a { text-decoration: none; display: inline-block; padding-block: 6px; }

/* Scroll reveal: content stays visible without JS */
.js .reveal { opacity: 0; transform: translateY(44px) scale(.975); transition: opacity 1.1s ease, transform 1.3s var(--ease); }
.js .reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
}

/* Shared entrance */
.rise { animation: rise 1.4s var(--ease) var(--d, 0s) both; }
@keyframes rise { from { opacity: 0; transform: translateY(26px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { .rise { animation: none; } }

/* Top page: Apple-style stacked product sections, then a two-up grid */
.ribbon { margin: 0; padding: 14px var(--gutter); text-align: center; font-size: .875rem; line-height: 1.5; color: var(--ink); background: var(--bg); }
.ribbon a { color: #0066cc; text-decoration: none; white-space: nowrap; }
.ribbon a::after { content: " ›"; }
.ribbon a:hover { text-decoration: underline; }
.promo { position: relative; display: flex; flex-direction: column; align-items: center; overflow: hidden; text-align: center; padding-block: clamp(48px, 7vw, 64px); min-height: clamp(460px, 54vw, 620px); }
.promo-hero + .promo-hero { margin-top: 12px; }
.promo-copy { position: relative; z-index: 1; padding-inline: 20px; }
.promo-name { font-size: clamp(2.5rem, 6vw, 3.5rem); font-weight: 600; letter-spacing: -.005em; line-height: 1.07; }
.promo-tag { margin-top: 8px; font-size: clamp(1.1875rem, 2.6vw, 1.75rem); line-height: 1.2; font-weight: 400; letter-spacing: .007em; }
.promo-links { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 14px; margin-top: 18px; }
.pill { display: inline-flex; align-items: center; min-height: 44px; padding: 0 22px; border-radius: 980px; background: #0071e3; color: #fff; border: 1px solid #0071e3; font-size: 1.0625rem; text-decoration: none; transition: background .2s ease, color .2s ease, opacity .2s ease; }
.pill:hover { background: #0077ed; }
.pill-line { background: transparent; color: #0066cc; }
.pill-line:hover { background: #0071e3; color: #fff; }
.promo-soon { font-size: 1.0625rem; color: var(--muted); }
/* The app icon sits whole, at a modest size, in the space under the copy */
.promo-media { width: clamp(128px, 22vw, 184px); margin-block: auto; padding-top: 36px; transition: transform 1.2s var(--ease); }
.promo-media img { width: 100%; border-radius: 22.37%; box-shadow: 0 18px 40px rgba(0, 0, 0, .16); }
.promo-art { width: min(74%, 460px); margin-block: auto -2%; padding-top: 24px; }
.promo-art i { display: block; aspect-ratio: 1; background: #fff; -webkit-mask: url(/shizukacha/img/shush.webp) center / contain no-repeat; mask: url(/shizukacha/img/shush.webp) center / contain no-repeat; }
.promo-hero:has(.promo-art) { padding-bottom: 0; }
.promo-gray { background: var(--soft); }
.promo-pink { background: #fbe3ea; }
.promo-pink .promo-soon { color: #a83d65; }
.promo-color { color: #fff; }
.promo-color .pill { background: #fff; border-color: #fff; color: #1d1d1f; }
.promo-color .pill:hover { opacity: .88; }
.promo-color .pill-line { background: transparent; color: #fff; }
.promo-color .pill-line:hover { background: #fff; color: #1d1d1f; opacity: 1; }
.promo-color .promo-soon { color: rgba(255, 255, 255, .85); }
.promo-span { background: linear-gradient(160deg, #2d76fd, #5648dd); }
.promo-sky { background: linear-gradient(#2052ab, #3f86c4 58%, #6acbd4); }
.promo-spek { background: linear-gradient(200deg, #2385f4, #6a53df); }
.promo-grid { display: grid; gap: 12px; padding: 12px; }
.promo-grid .promo { min-height: clamp(440px, 46vw, 540px); }
@media (min-width: 834px) {
  .promo-grid { grid-template-columns: 1fr 1fr; }
  .promo-grid .promo-name { font-size: 2.5rem; }
  .promo-grid .promo-tag { font-size: 1.3125rem; }
  .promo-grid .promo-media { width: 160px; }
}
@media (max-width: 833px) { .promo-grid { padding-inline: 0; } }
@media (prefers-reduced-motion: reduce) { .promo-media { transition: none; } }

/* Device frames drawn in CSS for animated mock-ups (no maker-specific details such as camera cut-outs or buttons).
   Layers: brushed-metal rim (::before), black glass bezel (::after), then the screen (.dvc-scr).
   Every size is in cqw, a share of the device's own width, so a frame looks the same at any size. */
.dvc { --rad: 16cqw; --rim: 1.1cqw; --bez: 2.7cqw; position: relative; isolation: isolate; container-type: inline-size; }
.dvc::before, .dvc::after { content: ""; position: absolute; z-index: -1; pointer-events: none; }
.dvc::before { inset: 0; border-radius: var(--rad); background: linear-gradient(140deg, #d9dade 0%, #7d7e83 9%, #3a3b3f 24%, #2a2b2e 50%, #46474b 74%, #9a9ba0 92%, #55565a 100%); box-shadow: 0 1.4cqw 3cqw -1cqw rgba(0, 0, 0, .3), 0 14cqw 22cqw -12cqw rgba(20, 24, 60, .45); }
.dvc::after { inset: var(--rim); border-radius: calc(var(--rad) - var(--rim)); background: radial-gradient(120% 60% at 30% 0%, #1b1c1f, #050506 60%); box-shadow: inset 0 0 0 .25cqw rgba(255, 255, 255, .07); }
.dvc > .dvc-scr { position: absolute; inset: calc(var(--rim) + var(--bez)); height: auto; border-radius: calc(var(--rad) - var(--rim) - var(--bez)); overflow: hidden; }
.dvc-phone { --rad: 16.5cqw; --rim: 1.15cqw; --bez: 2.7cqw; }
.dvc-duo { --rad: 11.5cqw; --rim: 1.1cqw; --bez: 2.6cqw; }
.dvc-open { --rad: 5.4cqw; --rim: .55cqw; --bez: 1.35cqw; }
.dvc-watch { --rad: 27cqw; --rim: 2.4cqw; --bez: 6.2cqw; }
.dvc-watch::before { background: linear-gradient(150deg, #e3e4e8 0%, #8b8c91 14%, #3c3d41 40%, #2b2c2f 60%, #6d6e73 86%, #b8b9be 100%); }
.dvc-lid { --rad: 3.6cqw; --rim: .45cqw; --bez: 2.3cqw; aspect-ratio: 16 / 10.4; }
.dvc-lid + .deck { display: block; position: relative; width: 108%; margin: 0 -4%; height: 3.1cqw; border-radius: 0 0 1.4cqw 1.4cqw / 0 0 100% 100%; background: linear-gradient(#e6e7ea, #b9babe 45%, #8e8f94); box-shadow: 0 2.4cqw 4cqw -2cqw rgba(0, 0, 0, .35); }
.dvc-lid + .deck::before { content: ""; position: absolute; left: 50%; top: 0; width: 15%; height: 42%; margin-left: -7.5%; border-radius: 0 0 1cqw 1cqw; background: linear-gradient(#a9aaae, #cfd0d4); }

/* Inner pages */
.page { padding-block: clamp(56px, 10vw, 112px) var(--section); }
.app-list { margin-top: clamp(36px, 6vw, 64px); border-bottom: 1px solid var(--line); }
.app-list li > * { display: grid; grid-template-columns: 88px 1fr auto; gap: 8px 22px; align-items: center; padding-block: 26px; border-top: 1px solid var(--line); text-decoration: none; }
.app-list img { border-radius: 20px; }
.app-list b { display: block; font-size: 1.3125rem; font-weight: 600; }
.app-list span span { color: var(--muted); display: block; }
.app-list em { font-style: normal; font-size: .9375rem; color: #a83d65; white-space: nowrap; }
.app-list em.muted { color: var(--muted); }
@media (max-width: 640px) { .app-list li > * { grid-template-columns: 72px 1fr; } .app-list img { width: 72px; height: 72px; border-radius: 16px; } .app-list em { grid-column: 2; } }
.block { margin-top: clamp(48px, 8vw, 88px); }
.block h2 { font-size: clamp(1.5rem, 4vw, 2rem); margin-bottom: 16px; }
.block-link { margin-top: 20px; }
.cta-row { margin-top: 20px; }
.fold > div a, .block-link a, .doc a { color: #a83d65; }
.doc { max-width: 760px; }
.doc h1 { font-size: clamp(2rem, 6vw, 3rem); }
.doc .updated { margin: 10px 0 32px; color: var(--muted); font-size: .9375rem; }
.doc h2 { font-size: 1.5rem; margin: 48px 0 12px; scroll-margin-top: 16px; }
.doc h3 { font-size: 1.0625rem; margin: 28px 0 6px; }
.doc p + p, .doc ul + p { margin-top: 12px; }
.doc ul { list-style: disc; padding-left: 1.3em; margin-top: 8px; }
.doc li { margin-top: 4px; }
.notfound { text-align: center; min-height: 60vh; }
.notfound .lead { margin-top: 14px; }