/* =========================================================
   Studio マスカレード — style.css
   デザイン: design/studio-masquerade.pen（Top — Desktop / Top — Mobile）
   ========================================================= */

:root {
  --bg: #ffffff;
  --surface: #f3f6f9;
  --ink: #14181f;
  --sub: #5a6372;
  --line: #e2e7ed;
  --accent: #1d64d8;
  --accent-hover: #1754b8;
  --accent-soft: #eaf1fc;

  --font-jp: "Noto Sans JP", "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  --font-en: "Jost", "Noto Sans JP", sans-serif;

  --gutter: clamp(20px, 4.5vw, 64px);
  --section-y: clamp(72px, 9vw, 120px);
  --container: 1440px;
  --header-h: 96px;
}

/* ---------- base ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-jp);
  font-size: 16px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  font-feature-settings: "palt";
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, p, dl, dd { margin: 0; }
button { font: inherit; color: inherit; }

.icon {
  width: 1em;
  height: 1em;
  flex-shrink: 0;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -100px;
  z-index: 100;
  padding: 8px 16px;
  background: var(--ink);
  color: #fff;
  border-radius: 8px;
}
.skip-link:focus { top: 16px; }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.container--narrow { max-width: calc(1000px + var(--gutter) * 2); }

.section { padding-block: var(--section-y); }
.section--surface { background: var(--surface); }

/* ---------- typography parts ---------- */
.eyebrow {
  font-family: var(--font-en);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.28em;
  color: var(--accent);
}

.section-heading { display: flex; flex-direction: column; gap: 8px; }
.section-heading__en {
  font-family: var(--font-en);
  font-size: clamp(40px, 4.5vw, 64px);
  font-weight: 500;
  letter-spacing: 0.03em;
  line-height: 1.1;
}
.section-heading__ja {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--accent);
  line-height: 1.5;
}
.section-heading--center { align-items: center; text-align: center; }
.section-heading--invert .section-heading__en,
.section-heading--invert .section-heading__ja { color: #fff; }

.lead-title {
  font-size: clamp(24px, 2.4vw, 34px);
  font-weight: 700;
  line-height: 1.6;
}

.body-text { font-size: clamp(15px, 1.1vw, 16px); line-height: 2; color: var(--sub); }
.body-text p + p { margin-top: 1.6em; }

/* ---------- buttons & links ---------- */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 18px 36px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.4;
  transition: background-color .2s, color .2s, border-color .2s, transform .2s;
}
.button .icon { font-size: 18px; }
.button--primary { background: var(--accent); color: #fff; }
.button--primary:hover { background: var(--accent-hover); }
.button--outline { border: 1px solid var(--line); background: var(--bg); }
.button--outline:hover { border-color: var(--ink); }
.button--white { background: #fff; color: var(--accent); }
.button--white:hover { transform: translateY(-2px); }
.button--sm { padding: 14px 28px; font-size: 14px; }
.button--sm .icon { font-size: 16px; }
.button--lg { padding: 24px 48px; font-size: 17px; }
.button--lg .icon { font-size: 20px; }

.more-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 15px;
  font-weight: 700;
  white-space: nowrap;
}
.more-link__circle {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  transition: background-color .2s, color .2s;
}
.more-link__circle .icon { font-size: 16px; }
.more-link:hover .more-link__circle { background: var(--ink); color: #fff; }

.icon-circle {
  display: grid;
  place-items: center;
  flex-shrink: 0;
  width: 52px;
  height: 52px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
}
.icon-circle .icon { font-size: 22px; }
.icon-circle--lg { width: 64px; height: 64px; }
.icon-circle--lg .icon { font-size: 26px; }

/* ---------- header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: box-shadow .2s;
}
.site-header.is-scrolled { box-shadow: 0 1px 0 var(--line); }
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  max-width: var(--container);
  min-height: var(--header-h);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.logo { display: flex; flex-direction: column; gap: 2px; }
.logo__name { font-size: 20px; font-weight: 700; letter-spacing: 0.05em; line-height: 1.3; }
.logo__sub { font-size: 11px; letter-spacing: 0.18em; color: var(--sub); line-height: 1.4; }

.global-nav { display: flex; align-items: center; gap: 40px; }
.global-nav__list { display: flex; gap: 40px; }
.global-nav__list a {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  line-height: 1.3;
}
.global-nav__list .en { font-family: var(--font-en); font-size: 14px; font-weight: 500; letter-spacing: 0.1em; }
.global-nav__list .ja { font-size: 10px; color: var(--sub); }
.global-nav__list a:hover .en { color: var(--accent); }

.menu-button {
  display: none;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: 999px;
  background: var(--surface);
  cursor: pointer;
}
.menu-button .icon { font-size: 20px; }
.menu-button .icon--close { display: none; }
.menu-button[aria-expanded="true"] .icon--menu { display: none; }
.menu-button[aria-expanded="true"] .icon--close { display: block; }

/* ---------- hero ---------- */
.hero {
  display: grid;
  grid-template-columns: minmax(0, 520px) minmax(0, 1fr);
  align-items: center;
  gap: 64px;
  max-width: var(--container);
  margin-inline: auto;
  padding: 40px 0 0 var(--gutter);
}
.hero__copy { display: flex; flex-direction: column; gap: 32px; }
.hero__title {
  font-size: clamp(32px, 3.6vw, 52px);
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: 0.02em;
}
.hero__lead { font-size: 16px; line-height: 2; color: var(--sub); }
.hero__buttons { display: flex; flex-wrap: wrap; gap: 16px; }
.hero__photo {
  height: clamp(420px, 44vw, 640px);
  border-radius: 24px 0 0 24px;
  overflow: hidden;
  background: var(--surface);
}
.hero__photo img { width: 100%; height: 100%; object-fit: cover; }

/* ---------- about ---------- */
.about { padding-top: clamp(80px, 10vw, 140px); }
.about__inner {
  display: grid;
  grid-template-columns: minmax(0, 620px) minmax(0, 1fr);
  align-items: center;
  gap: clamp(48px, 6.5vw, 96px);
}
.about__photos { position: relative; aspect-ratio: 620 / 560; }
.about__photos img { position: absolute; object-fit: cover; border-radius: 16px; }
.about__photo-main { left: 0; top: 0; width: 74%; height: 78.5%; }
.about__photo-sub {
  right: 0;
  bottom: 0;
  width: 51.6%;
  height: 50%;
  outline: 10px solid var(--bg);
}
.about__copy { display: flex; flex-direction: column; align-items: flex-start; gap: 40px; }

/* ---------- service ---------- */
.service .container { display: flex; flex-direction: column; gap: 64px; }
.service__head { display: flex; justify-content: space-between; align-items: flex-end; gap: 48px; }
.service__intro { max-width: 520px; font-size: 16px; line-height: 2; color: var(--sub); }

.feature {
  display: grid;
  grid-template-columns: minmax(0, 640px) minmax(0, 1fr);
  align-items: center;
  gap: 64px;
}
.feature__photo { aspect-ratio: 640 / 460; border-radius: 20px; overflow: hidden; }
.feature__photo img { width: 100%; height: 100%; object-fit: cover; }
.feature__copy { display: flex; flex-direction: column; gap: 28px; }
.feature__en { font-family: var(--font-en); font-size: 15px; font-weight: 500; letter-spacing: 0.13em; color: var(--accent); }
.feature__title { font-size: clamp(24px, 2.4vw, 34px); font-weight: 700; line-height: 1.5; }

.use-cases { display: flex; flex-direction: column; gap: 14px; padding-top: 24px; border-top: 1px solid var(--line); }
.use-cases__label { font-size: 13px; font-weight: 700; color: var(--sub); }
.tags { display: flex; flex-wrap: wrap; gap: 10px; }
.tags li {
  padding: 10px 18px;
  border-radius: 999px;
  background: var(--bg);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.4;
}

.other-recording {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 28px 36px;
  border-radius: 16px;
  background: var(--bg);
}
.other-recording__text { flex: 1; display: flex; flex-direction: column; gap: 6px; }
.other-recording__title { font-size: 18px; font-weight: 700; line-height: 1.5; }
.other-recording__desc { font-size: 14px; line-height: 1.8; color: var(--sub); }

/* ---------- equipment ---------- */
.equipment__inner {
  display: grid;
  grid-template-columns: minmax(0, 520px) minmax(0, 1fr);
  gap: clamp(48px, 5.5vw, 80px);
}
.equipment__feature { display: flex; flex-direction: column; gap: 32px; }
.equipment__photo { width: 100%; aspect-ratio: 520 / 400; object-fit: cover; border-radius: 16px; }
.equipment__note { display: flex; flex-direction: column; gap: 8px; }
.equipment__model { font-family: var(--font-en); font-size: 24px; font-weight: 500; }
.equipment__desc { font-size: 15px; line-height: 1.9; color: var(--sub); }

.spec-list { padding-top: 24px; }
.spec-list > div {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 24px;
  padding-block: 22px;
  border-bottom: 1px solid var(--line);
}
.spec-list dt { font-size: 14px; font-weight: 700; color: var(--sub); line-height: 1.9; }
.spec-list dd { font-family: var(--font-en); font-size: 17px; line-height: 1.7; }

/* ---------- price ---------- */
.price .container { display: flex; flex-direction: column; align-items: center; gap: 56px; }
.price__intro { font-size: 16px; color: var(--sub); text-align: center; margin-top: -24px; }

.plan {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 400px;
  gap: 56px;
  width: 100%;
  padding: 56px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--bg);
}
.plan__info { display: flex; flex-direction: column; gap: 20px; }
.plan__en { font-family: var(--font-en); font-size: 13px; font-weight: 500; letter-spacing: 0.15em; color: var(--accent); }
.plan__name { font-size: 28px; font-weight: 700; line-height: 1.4; }
.check-list { display: flex; flex-direction: column; gap: 12px; padding-top: 8px; }
.check-list li { display: flex; align-items: center; gap: 10px; font-size: 15px; line-height: 1.6; }
.check-list .icon { font-size: 18px; color: var(--accent); }

.plan__prices { display: flex; flex-direction: column; gap: 16px; }
.price-box {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 24px 28px;
  border-radius: 16px;
  background: var(--surface);
}
.price-box--featured { background: var(--accent-soft); outline: 2px solid var(--accent); outline-offset: -2px; }
.price-box__label { display: flex; justify-content: space-between; align-items: center; font-size: 15px; font-weight: 700; }
.price-box__amount { display: flex; align-items: baseline; flex-wrap: wrap; gap: 6px; }
.price-box__yen { font-family: var(--font-en); font-size: 44px; font-weight: 500; line-height: 1.2; }
.price-box--featured .price-box__yen { color: var(--accent); }
.price-box__unit { font-size: 13px; color: var(--sub); }
.badge {
  padding: 5px 12px;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  line-height: 1.4;
}

.options { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; width: 100%; margin-top: -32px; }
.option {
  display: flex;
  gap: 14px;
  padding: 20px 24px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--bg);
}
.option .icon { font-size: 20px; color: var(--sub); margin-top: 2px; }
.option__title { font-size: 14px; font-weight: 700; line-height: 1.6; }
.option__desc { font-size: 13px; line-height: 1.7; color: var(--sub); }

.notes { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; width: 100%; }
.notes__title { font-size: 16px; font-weight: 700; margin-bottom: 12px; }
.notes__list li { position: relative; padding-left: 1em; font-size: 14px; line-height: 1.8; color: var(--sub); }
.notes__list li::before { content: "・"; position: absolute; left: 0; }

/* ---------- flow ---------- */
.flow .container { display: flex; flex-direction: column; gap: 64px; }
.steps { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); }
.step { position: relative; display: flex; flex-direction: column; gap: 20px; padding-right: 24px; }
.step:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 32px;
  left: 80px;
  right: 16px;
  height: 1px;
  background: var(--line);
}
.step__text { display: flex; flex-direction: column; gap: 12px; }
.step__no { font-family: var(--font-en); font-size: 13px; font-weight: 500; letter-spacing: 0.15em; color: var(--accent); }
.step__title { font-size: 19px; font-weight: 700; line-height: 1.5; }
.step__desc { font-size: 14px; line-height: 1.9; color: var(--sub); }

/* ---------- faq ---------- */
.faq__inner { display: grid; grid-template-columns: 360px minmax(0, 1fr); gap: clamp(48px, 6.5vw, 96px); }
.faq__side { display: flex; flex-direction: column; align-items: flex-start; gap: 32px; }
.faq__list { display: flex; flex-direction: column; gap: 12px; }

.qa { border-radius: 12px; background: var(--bg); }
.qa summary {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 24px 28px;
  cursor: pointer;
  list-style: none;
}
.qa summary::-webkit-details-marker { display: none; }
.qa__q, .qa__a { font-family: var(--font-en); font-size: 22px; font-weight: 500; line-height: 1.4; }
.qa__q { color: var(--accent); }
.qa__a { color: var(--sub); }
.qa__question { flex: 1; font-size: 17px; font-weight: 700; line-height: 1.6; }
.qa__toggle { position: relative; width: 20px; height: 20px; flex-shrink: 0; }
.qa__toggle::before,
.qa__toggle::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 2px;
  right: 2px;
  height: 2px;
  margin-top: -1px;
  border-radius: 2px;
  background: var(--sub);
  transition: transform .2s;
}
.qa__toggle::after { transform: rotate(90deg); }
.qa[open] .qa__toggle::after { transform: rotate(0deg); }
.qa__answer { display: flex; gap: 16px; padding: 0 28px 24px; }
.qa__answer p { font-size: 15px; line-height: 1.9; color: var(--sub); padding-top: 2px; }

/* ---------- contact ---------- */
.contact__panel {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 40px;
  padding: clamp(48px, 5.5vw, 80px);
  border-radius: 24px;
  background: var(--accent);
}
.contact__copy { display: flex; flex-direction: column; gap: 24px; }
.contact__desc { font-size: 16px; line-height: 2; color: rgba(255, 255, 255, .87); }

/* ---------- footer ---------- */
.site-footer { padding: 72px 0 40px; background: var(--ink); color: #fff; }
.site-footer .container { display: flex; flex-direction: column; gap: 56px; }
.site-footer__top { display: flex; justify-content: space-between; gap: 40px; }
.site-footer__brand { display: flex; flex-direction: column; gap: 12px; }
.site-footer__logo { font-size: 22px; font-weight: 700; letter-spacing: 0.05em; }
.site-footer__desc { font-size: 13px; color: rgba(255, 255, 255, .6); }
.site-footer__desc .sep { display: inline-block; width: 1em; }
.site-footer__nav ul { display: flex; flex-wrap: wrap; gap: 12px 40px; }
.site-footer__nav a { font-size: 13px; color: rgba(255, 255, 255, .8); }
.site-footer__nav a:hover { color: #fff; }
.site-footer__bottom {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, .13);
  font-size: 12px;
  color: rgba(255, 255, 255, .5);
}
.site-footer__privacy:hover { color: #fff; }

/* =========================================================
   Tablet
   ========================================================= */
@media (max-width: 1180px) {
  .global-nav, .global-nav__list { gap: 28px; }
  .plan { grid-template-columns: 1fr; }
  .steps { grid-template-columns: repeat(3, minmax(0, 1fr)); row-gap: 48px; }
  .step:nth-child(3)::after { display: none; }
  .faq__inner { grid-template-columns: 1fr; }
}

/* =========================================================
   Mobile（Top — Mobile 390px）
   ========================================================= */
@media (max-width: 960px) {
  :root { --header-h: 76px; }

  .logo__name { font-size: 16px; }
  .logo__sub { font-size: 9px; }

  .menu-button { display: grid; }
  .global-nav {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 24px;
    padding: 8px var(--gutter) 32px;
    background: var(--bg);
    box-shadow: 0 16px 24px rgba(20, 24, 31, .08);
    visibility: hidden;
    opacity: 0;
    transform: translateY(-8px);
    transition: opacity .2s, transform .2s, visibility .2s;
  }
  .global-nav.is-open { visibility: visible; opacity: 1; transform: none; }
  .global-nav__list { flex-direction: column; gap: 0; }
  .global-nav__list a {
    flex-direction: row;
    align-items: baseline;
    gap: 12px;
    padding-block: 16px;
    border-bottom: 1px solid var(--line);
  }
  .global-nav__list .en { font-size: 18px; }
  .global-nav__list .ja { font-size: 12px; }
  .global-nav .button { width: 100%; padding-block: 18px; }

  .hero {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 8px 0 48px;
  }
  .hero__photo { order: -1; height: 300px; border-radius: 0; }
  .hero__copy { gap: 20px; padding-inline: var(--gutter); }
  .eyebrow { font-size: 11px; }
  .hero__lead { font-size: 15px; line-height: 1.9; }
  .hero__buttons { flex-direction: column; gap: 12px; padding-top: 8px; }
  .hero__buttons .button { width: 100%; }

  .section { padding-block: 72px; }
  .section-heading { gap: 6px; }
  .section-heading__ja { font-size: 12px; }

  .about__inner { display: flex; flex-direction: column; align-items: stretch; gap: 32px; }
  .about__copy { display: contents; }
  .about__copy .section-heading { order: -2; }
  .about__photos { order: -1; aspect-ratio: auto; }
  .about__photos img { position: static; width: 100%; height: 240px; border-radius: 12px; }
  .about__photo-sub { display: none; }
  .about__copy .more-link { align-self: flex-start; }

  .service .container { gap: 32px; }
  .service__head { flex-direction: column; align-items: flex-start; gap: 24px; }
  .service__intro { font-size: 15px; line-height: 1.9; }
  .feature { grid-template-columns: 1fr; gap: 24px; }
  .feature__photo { aspect-ratio: auto; height: 240px; border-radius: 12px; }
  .feature__copy { gap: 20px; }
  .feature__en { font-size: 12px; }
  .use-cases { padding-top: 0; border-top: 0; gap: 10px; }
  .tags { gap: 8px; }
  .tags li { padding: 8px 14px; font-size: 13px; }
  .other-recording { flex-direction: column; align-items: flex-start; gap: 12px; padding: 20px; border-radius: 12px; }
  .other-recording .icon-circle { display: none; }
  .other-recording__title { font-size: 14px; }
  .other-recording__desc { font-size: 13px; }

  .equipment__inner { grid-template-columns: 1fr; gap: 32px; }
  .equipment__photo, .equipment__note { display: none; }
  .spec-list { padding-top: 0; }
  .spec-list > div { grid-template-columns: 1fr; gap: 4px; padding-block: 16px; }
  .spec-list dt { font-size: 12px; }
  .spec-list dd { font-size: 16px; }

  .price .container { align-items: stretch; gap: 32px; }
  .section-heading--center { align-items: flex-start; text-align: left; }
  .price__intro { text-align: left; font-size: 14px; margin-top: 0; }
  .plan { gap: 24px; padding: 24px; border: 0; border-radius: 16px; }
  .plan__en { display: none; }
  .plan__info { display: contents; }
  .plan__name { font-size: 20px; }
  .check-list { order: 3; }
  .check-list li { font-size: 14px; }
  .price-box { padding: 16px 20px; border-radius: 12px; }
  .price-box__label { font-size: 14px; }
  .price-box__yen { font-size: 34px; }
  .price-box__unit { font-size: 12px; }
  .options { grid-template-columns: 1fr; margin-top: 0; }
  .option { padding: 16px 20px; }
  .option .icon { display: none; }
  .notes { grid-template-columns: 1fr; gap: 32px; }

  .flow .container { gap: 32px; }
  .steps { grid-template-columns: 1fr; row-gap: 0; }
  .step { flex-direction: row; gap: 16px; padding: 0 0 28px; }
  .step:not(:last-child)::after,
  .step:nth-child(3)::after {
    display: block;
    top: 56px;
    bottom: 8px;
    left: 24px;
    right: auto;
    width: 1px;
    height: auto;
  }
  .step .icon-circle--lg { width: 48px; height: 48px; }
  .step .icon-circle--lg .icon { font-size: 20px; }
  .step__text { gap: 6px; padding-top: 4px; }
  .step__no { font-size: 11px; }
  .step__title { font-size: 17px; }
  .step__desc { line-height: 1.8; }

  .faq__inner { gap: 32px; }
  .faq__side { display: contents; }
  .faq__side .body-text { display: none; }
  .faq__side .more-link { order: 3; }
  .faq__list { gap: 10px; }
  .qa summary { gap: 12px; padding: 18px 20px; }
  .qa__q, .qa__a { font-size: 18px; }
  .qa__question { font-size: 15px; }
  .qa__toggle { width: 18px; height: 18px; }
  .qa__answer { gap: 12px; padding: 0 20px 18px; }
  .qa__answer p { font-size: 14px; }

  .contact__panel { flex-direction: column; align-items: stretch; gap: 24px; padding: 48px 24px; border-radius: 20px; }
  .contact__desc { font-size: 14px; line-height: 1.9; }
  .contact__desc br { display: none; }
  .button--lg { padding: 18px 24px; font-size: 15px; }
  .button--lg .icon:last-child { display: none; }

  .site-footer { padding: 48px 0 32px; }
  .site-footer .container { gap: 24px; }
  .site-footer__top { flex-direction: column; gap: 24px; }
  .site-footer__logo { font-size: 18px; }
  .site-footer__desc { font-size: 12px; line-height: 1.8; }
  .site-footer__desc .sep { display: block; width: 0; height: 0; }
  .site-footer__nav ul { gap: 12px 24px; }
  .site-footer__bottom { flex-direction: column; gap: 8px; padding-top: 16px; font-size: 11px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}