:root {
  --rx-black: #08090c;
  --rx-black-soft: #0e1015;
  --rx-graphite: #151820;
  --rx-panel: #11141a;
  --rx-white: #f4f5f7;
  --rx-silver: #b8bec8;
  --rx-silver-bright: #e0e4e9;
  --rx-silver-dark: #7a828e;
  --rx-violet: #7657d6;
  --rx-violet-light: #a58cff;
  --rx-violet-dark: #38266c;
  --rx-line: rgba(184, 190, 200, .20);
  --rx-line-strong: rgba(184, 190, 200, .36);
  --rx-error: #ff9b9b;
  --rx-container: 1180px;
  --rx-shadow: 0 22px 70px rgba(0, 0, 0, .32);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 86px; }
body {
  margin: 0;
  background: var(--rx-black);
  color: var(--rx-white);
  font-family: "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}
body.admin-bar .site-header { top: 32px; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
.container { width: min(calc(100% - 48px), var(--rx-container)); margin-inline: auto; }
.section { padding: 104px 0; border-bottom: 1px solid var(--rx-line); }
.section-alt { background: var(--rx-black-soft); }
.section-heading { max-width: 880px; margin-bottom: 48px; }
.section-number, .eyebrow {
  margin: 0 0 10px;
  color: var(--rx-violet-light);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .19em;
}
.section h2 {
  margin: 0 0 22px;
  font-size: clamp(30px, 4vw, 50px);
  line-height: 1.33;
  letter-spacing: .015em;
}
.section-intro { margin: 0; color: var(--rx-silver); font-size: 17px; line-height: 1.95; }

/* Header */
.site-header {
  position: sticky;
  z-index: 1000;
  top: 0;
  border-bottom: 1px solid var(--rx-line);
  background: rgba(8, 9, 12, .92);
  backdrop-filter: blur(16px);
}
.header-inner { min-height: 82px; display: flex; align-items: center; gap: 32px; }
.brand { margin-right: auto; line-height: 1.15; }
.brand-name { display: block; font-size: 24px; font-weight: 750; letter-spacing: .18em; }
.brand-sub { display: block; margin-top: 2px; color: var(--rx-silver); font-size: 9px; letter-spacing: .16em; }
.global-nav { display: flex; gap: 26px; color: var(--rx-silver); font-size: 12px; font-weight: 600; letter-spacing: .04em; }
.global-nav a { transition: color .2s ease; }
.global-nav a:hover { color: var(--rx-violet-light); }
.header-cta {
  padding: 10px 18px;
  border: 1px solid var(--rx-violet);
  background: rgba(118, 87, 214, .07);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .06em;
}

/* Buttons */
.button-primary, .button-secondary {
  display: inline-flex;
  min-height: 54px;
  align-items: center;
  justify-content: center;
  padding: 13px 25px;
  border: 1px solid var(--rx-violet-light);
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .04em;
  transition: transform .2s ease, filter .2s ease, border-color .2s ease;
}
.button-primary { background: linear-gradient(135deg, var(--rx-violet-dark), var(--rx-violet)); }
.button-secondary { border-color: var(--rx-line-strong); background: rgba(255,255,255,.025); }
.button-primary:hover, .button-secondary:hover { transform: translateY(-2px); filter: brightness(1.1); }

/* Hero */
.hero {
  position: relative;
  display: flex;
  min-height: calc(100vh - 82px);
  align-items: center;
  overflow: hidden;
  border-bottom: 1px solid var(--rx-line);
  background:
    radial-gradient(circle at 78% 44%, rgba(118, 87, 214, .18), transparent 30%),
    radial-gradient(circle at 18% 30%, rgba(184, 190, 200, .05), transparent 28%),
    var(--rx-black);
}
.hero::after {
  position: absolute;
  right: -160px;
  bottom: -260px;
  width: 640px;
  height: 640px;
  border: 1px solid rgba(165, 140, 255, .12);
  border-radius: 50%;
  content: "";
  pointer-events: none;
}
.hero-inner { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(340px, .9fr); align-items: center; gap: 80px; }
.hero-copy { position: relative; z-index: 1; }
.hero h1 { margin: 20px 0 18px; font-size: clamp(42px, 6vw, 76px); line-height: 1.2; letter-spacing: .01em; }
.hero-lead { max-width: 720px; margin: 0 0 34px; color: var(--rx-silver); font-size: clamp(17px, 2vw, 23px); line-height: 1.9; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-points { display: flex; flex-wrap: wrap; gap: 11px 22px; margin: 30px 0 0; padding: 0; color: var(--rx-silver); font-size: 12px; list-style: none; }
.hero-points li::before { margin-right: 8px; color: var(--rx-violet-light); content: "◆"; font-size: 8px; }
.hero-unit {
  position: relative;
  z-index: 1;
  display: grid;
  justify-items: center;
  padding: 54px 34px 38px;
  border: 1px solid var(--rx-line);
  background: linear-gradient(145deg, rgba(255,255,255,.035), rgba(118,87,214,.045));
  box-shadow: var(--rx-shadow);
}
.unit-square {
  position: relative;
  display: grid;
  width: min(260px, 70vw);
  aspect-ratio: 1;
  place-items: center;
  border: 2px solid var(--rx-violet-light);
  background:
    linear-gradient(rgba(165,140,255,.04), rgba(165,140,255,.04)),
    repeating-linear-gradient(0deg, transparent 0 31px, rgba(184,190,200,.08) 31px 32px),
    repeating-linear-gradient(90deg, transparent 0 31px, rgba(184,190,200,.08) 31px 32px);
}
.unit-square strong { display: block; font-size: 36px; letter-spacing: .12em; }
.unit-square small { position: absolute; bottom: 66px; color: var(--rx-silver); font-size: 13px; letter-spacing: .12em; }
.unit-square__dimension { position: absolute; color: var(--rx-silver); font-size: 11px; letter-spacing: .08em; }
.unit-square__dimension--top { top: -28px; left: 50%; transform: translateX(-50%); }
.unit-square__dimension--side { right: -39px; top: 50%; transform: translateY(-50%) rotate(90deg); }
.hero-unit > p { max-width: 420px; margin: 36px 0 0; color: var(--rx-silver); font-size: 13px; line-height: 1.9; text-align: center; }

/* Features */
.feature-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.feature-card { min-height: 225px; padding: 28px; border: 1px solid var(--rx-line); background: rgba(255,255,255,.018); }
.feature-card > span { color: var(--rx-violet-light); font-size: 11px; font-weight: 700; letter-spacing: .16em; }
.feature-card h3 { margin: 28px 0 12px; font-size: 17px; line-height: 1.5; }
.feature-card p { margin: 0; color: var(--rx-silver); font-size: 13px; line-height: 1.9; }

/* Unit explanation */
.unit-section { display: grid; grid-template-columns: .8fr 1.2fr; gap: 72px; align-items: center; }
.unit-section .section-heading { margin: 0; }
.unit-explain { display: grid; gap: 32px; }
.unit-explain__visual { display: flex; align-items: center; gap: 14px; padding: 32px; border: 1px solid var(--rx-line); background: #0a0c10; }
.unit-mini, .unit-result { display: grid; width: 105px; aspect-ratio: 1; place-items: center; border: 1px solid var(--rx-line-strong); text-align: center; }
.unit-mini strong, .unit-result strong { display: block; font-size: 30px; line-height: 1; }
.unit-mini span, .unit-result span { display: block; margin-top: -30px; color: var(--rx-silver); font-size: 11px; letter-spacing: .10em; }
.unit-result { border-color: var(--rx-violet-light); background: rgba(118,87,214,.08); }
.unit-cross, .unit-equals { color: var(--rx-silver-dark); font-size: 24px; }
.unit-explain__copy p { margin: 0 0 18px; color: var(--rx-silver); font-size: 15px; }
.example-box { display: flex; gap: 16px; padding: 16px 18px; border-left: 2px solid var(--rx-violet); background: rgba(118,87,214,.06); font-size: 13px; }
.example-box strong { color: var(--rx-violet-light); }
.example-box span { color: var(--rx-silver-bright); }

/* Tables */
.price-table-wrap, .special-table-wrap { overflow-x: auto; border: 1px solid var(--rx-line); background: #0b0d11; }
.price-table, .special-table { width: 100%; min-width: 620px; border-collapse: collapse; }
.price-table th, .price-table td, .special-table th, .special-table td { padding: 15px 18px; border-bottom: 1px solid var(--rx-line); text-align: right; white-space: nowrap; }
.price-table th:first-child, .price-table td:first-child, .special-table th:first-child, .special-table td:first-child { text-align: left; }
.price-table th, .special-table th { background: rgba(184,190,200,.055); color: var(--rx-silver); font-size: 12px; letter-spacing: .05em; }
.price-table td, .special-table td { font-size: 14px; }
.price-table tbody tr:last-child td, .special-table tbody tr:last-child td { border-bottom: 0; }
.price-table tbody tr:nth-child(10) { background: rgba(118,87,214,.07); }
.price-notes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 22px; }
.price-notes p { margin: 0; padding: 20px; border: 1px solid var(--rx-line); color: var(--rx-silver); font-size: 12px; line-height: 1.8; }
.price-notes strong { display: block; margin-bottom: 5px; color: var(--rx-white); font-size: 13px; }

/* Calculator */
.calculator-section { background: radial-gradient(circle at 86% 30%, rgba(118,87,214,.12), transparent 30%), #090a0d; }
.calculator-layout { display: grid; grid-template-columns: minmax(0, 1.12fr) minmax(340px, .88fr); gap: 26px; align-items: start; }
.calculator-form, .calculator-result { border: 1px solid var(--rx-line); background: rgba(255,255,255,.022); }
.calculator-form { padding: 34px; }
.calculator-field { padding: 24px 0; border-bottom: 1px solid var(--rx-line); }
.calculator-field:first-child { padding-top: 0; }
.calculator-field:last-child { border-bottom: 0; padding-bottom: 0; }
.calculator-field > label, .calculator-special__class > label { display: block; margin-bottom: 9px; color: var(--rx-white); font-size: 14px; font-weight: 700; }
.calculator-form input[type="number"], .calculator-form select {
  width: 100%;
  min-height: 50px;
  padding: 10px 13px;
  border: 1px solid var(--rx-line-strong);
  border-radius: 0;
  outline: 0;
  background: #080a0e;
  color: #fff;
  font-size: 16px;
}
.calculator-form input:focus, .calculator-form select:focus { border-color: var(--rx-violet-light); box-shadow: 0 0 0 2px rgba(118,87,214,.13); }
.number-control { display: grid; grid-template-columns: 1fr auto; align-items: center; border: 1px solid var(--rx-violet); background: #080a0e; }
.number-control input[type="number"] { border: 0; font-size: 22px; font-weight: 700; }
.number-control > span { padding: 0 18px; color: var(--rx-violet-light); font-size: 12px; font-weight: 700; letter-spacing: .08em; }
.calculator-help { margin: 8px 0 0; color: var(--rx-silver-dark); font-size: 11px; line-height: 1.7; }
.calculator-details { margin-top: 8px; padding: 0 0 24px; border-bottom: 1px solid var(--rx-line); }
.calculator-details summary { padding: 18px 0 8px; color: var(--rx-silver-bright); cursor: pointer; font-size: 14px; font-weight: 700; }
.calculator-details__body { display: grid; gap: 12px; margin-top: 12px; }
.calculator-toggle-row { display: grid; grid-template-columns: minmax(0, 1fr) 180px; gap: 10px 16px; align-items: center; padding: 16px; border: 1px solid var(--rx-line); background: #0b0d11; }
.calculator-toggle-row small { grid-column: 1 / -1; color: var(--rx-silver-dark); font-size: 10px; line-height: 1.65; }
.calculator-toggle-row--muted { opacity: .86; }
.toggle-check { display: flex; gap: 10px; align-items: flex-start; color: var(--rx-silver-bright); font-size: 13px; line-height: 1.6; }
.toggle-check input { width: 18px; height: 18px; margin: 2px 0 0; accent-color: var(--rx-violet); }
.toggle-check--strong { color: #fff; font-size: 14px; font-weight: 700; }
.inline-unit-input { display: grid; grid-template-columns: 1fr auto; align-items: center; border: 1px solid var(--rx-line); }
.inline-unit-input input[type="number"] { min-height: 42px; border: 0; font-size: 14px; }
.inline-unit-input span { padding: 0 10px; color: var(--rx-silver-dark); font-size: 10px; white-space: nowrap; }
.calculator-special__class { margin-top: 16px; }
.calculator-result { position: sticky; top: 104px; padding: 36px; box-shadow: var(--rx-shadow); }
.calculator-result__label { margin: 0 0 8px; color: var(--rx-silver); font-size: 12px; letter-spacing: .08em; }
.calculator-result__total { margin: 0 0 28px; color: #fff; font-size: clamp(40px, 5vw, 58px); font-weight: 750; line-height: 1.15; letter-spacing: -.02em; }
.calculator-breakdown { border-top: 1px solid var(--rx-line); border-bottom: 1px solid var(--rx-line); }
.calculator-breakdown__row { display: flex; gap: 16px; justify-content: space-between; padding: 13px 0; border-bottom: 1px solid rgba(184,190,200,.11); color: var(--rx-silver); font-size: 12px; }
.calculator-breakdown__row:last-child { border-bottom: 0; }
.calculator-breakdown__row strong { color: var(--rx-white); text-align: right; }
.calculator-result__note { margin: 20px 0 0; color: var(--rx-silver-dark); font-size: 11px; line-height: 1.75; }
.calculator-result__button { width: 100%; margin-top: 24px; border: 1px solid var(--rx-violet-light); }

/* Conditions */
.condition-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.condition-card { padding: 24px; border: 1px solid var(--rx-line); background: #0a0c10; }
.condition-card h3 { min-height: 52px; margin: 0 0 18px; font-size: 15px; line-height: 1.6; }
.condition-card strong { display: block; color: var(--rx-violet-light); font-size: 17px; line-height: 1.5; }
.condition-card p { margin: 12px 0 0; color: var(--rx-silver); font-size: 12px; line-height: 1.8; }
.special-box { display: grid; grid-template-columns: .8fr 1.2fr; gap: 36px; margin-top: 46px; padding: 34px; border: 1px solid var(--rx-violet); background: linear-gradient(135deg, rgba(118,87,214,.07), rgba(255,255,255,.018)); }
.special-box h3 { margin: 0 0 12px; font-size: 25px; }
.special-box p { margin: 0; color: var(--rx-silver); font-size: 13px; }
.special-table-wrap { border-color: rgba(165,140,255,.26); }
.table-note { padding: 12px 16px; border-top: 1px solid var(--rx-line); color: var(--rx-silver-dark) !important; font-size: 10px !important; }

/* Acceptance */
.acceptance-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.acceptance-list ul { margin: 0; padding: 0; border: 1px solid var(--rx-line); list-style: none; }
.acceptance-list li { position: relative; padding: 16px 20px 16px 43px; border-bottom: 1px solid var(--rx-line); color: var(--rx-silver); font-size: 13px; }
.acceptance-list li:last-child { border-bottom: 0; }
.acceptance-list li::before { position: absolute; left: 19px; color: var(--rx-violet-light); content: "—"; }
.acceptance-note { margin: 20px 0 0; padding: 18px 20px; border-left: 2px solid var(--rx-silver); background: rgba(255,255,255,.02); color: var(--rx-silver); font-size: 12px; }

/* Aftercare */
.aftercare { background: linear-gradient(90deg, rgba(118,87,214,.08), transparent 65%), #0b0d11; }
.aftercare-inner { display: flex; gap: 48px; align-items: flex-end; justify-content: space-between; }
.aftercare-inner > div { max-width: 800px; }
.aftercare h2 { margin-bottom: 16px; }
.aftercare p:last-child { margin: 0; color: var(--rx-silver); font-size: 14px; }
.aftercare .button-secondary { flex: 0 0 auto; }

/* Contact */
.ridixel-contact, .ridixel-contact * { box-sizing: border-box; }
.ridixel-contact { padding: 104px 0 118px; border-bottom: 1px solid var(--rx-line); background: #06070a; }
.ridixel-contact__inner { width: min(calc(100% - 48px), 900px); margin: 0 auto; }
.ridixel-contact__header { margin: 0 auto 28px; text-align: center; }
.ridixel-contact__title { margin: 0 0 14px; font-size: clamp(30px, 4vw, 46px); line-height: 1.35; }
.ridixel-contact__lead { max-width: 720px; margin: 0 auto; color: var(--rx-silver); font-size: 15px; line-height: 1.9; }
.ridixel-contact__result { width: min(100%, 780px); margin: 28px auto 0; padding: 19px 22px; border: 1px solid var(--rx-line); background: #111319; }
.ridixel-contact__result strong { display: block; color: #fff; font-size: 16px; }
.ridixel-contact__result p, .ridixel-contact__result ul { margin: 8px 0 0; color: #dfe2e7; font-size: 14px; line-height: 1.8; }
.ridixel-contact__result ul { padding-left: 1.4em; }
.ridixel-contact__result--success { border-color: rgba(111,195,142,.7); }
.ridixel-contact__result--warning { border-color: rgba(163,138,255,.7); }
.ridixel-contact__result--error { border-color: rgba(214,92,92,.85); }
.ridixel-contact__result:focus { outline: 2px solid var(--rx-violet-light); outline-offset: 3px; }
.ridixel-contact__form { position: relative; width: min(100%, 780px); margin: 36px auto 0; padding: 46px 50px 50px; border: 1px solid var(--rx-line); background: linear-gradient(135deg, rgba(255,255,255,.035), rgba(118,87,214,.025)); }
.ridixel-contact__form::before, .ridixel-contact__form::after { position: absolute; width: 31px; height: 31px; content: ""; pointer-events: none; }
.ridixel-contact__form::before { top: -1px; left: -1px; border-top: 2px solid var(--rx-violet); border-left: 2px solid var(--rx-violet); }
.ridixel-contact__form::after { right: -1px; bottom: -1px; border-right: 2px solid var(--rx-silver); border-bottom: 2px solid var(--rx-silver); }
.ridixel-contact__estimate { margin-bottom: 28px; padding: 19px 20px; border: 1px solid rgba(165,140,255,.45); background: rgba(118,87,214,.07); }
.ridixel-contact__estimate-label { margin: 0 0 4px; color: var(--rx-violet-light); font-size: 10px; font-weight: 700; letter-spacing: .08em; }
.ridixel-contact__estimate > strong { display: block; margin-bottom: 9px; font-size: 25px; }
.ridixel-contact__estimate > p { margin: 0; color: var(--rx-silver); font-size: 11px; line-height: 1.7; white-space: pre-line; }
.ridixel-contact__estimate > small { display: block; margin-top: 10px; color: var(--rx-silver-dark); font-size: 9px; line-height: 1.6; }
.ridixel-contact__grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
.ridixel-contact__grid--spaced { margin-top: 24px; }
.ridixel-contact__field { margin-top: 24px; }
.ridixel-contact__grid .ridixel-contact__field { margin-top: 0; }
.ridixel-contact__field > label, .ridixel-contact__turnstile-label { display: block; margin: 0 0 8px; color: #fff; font-size: 14px; font-weight: 700; line-height: 1.6; }
.ridixel-contact__required, .ridixel-contact__optional { display: inline-block; margin-left: 7px; padding: 1px 7px; border: 1px solid var(--rx-violet); color: var(--rx-violet-light); font-size: 10px; font-weight: 700; line-height: 1.5; vertical-align: 1px; }
.ridixel-contact__optional { border-color: rgba(255,255,255,.28); color: #aeb4be; }
.ridixel-contact__field input, .ridixel-contact__field textarea { display: block; width: 100%; min-height: 50px; margin: 0; padding: 12px 14px; border: 1px solid rgba(183,190,200,.35); border-radius: 0; outline: 0; background: #0b0d11; color: #fff; font: inherit; font-size: 16px; line-height: 1.6; transition: border-color .2s ease, box-shadow .2s ease; }
.ridixel-contact__field textarea { min-height: 180px; resize: vertical; }
.ridixel-contact__field input::placeholder, .ridixel-contact__field textarea::placeholder { color: #747b85; }
.ridixel-contact__field input:focus, .ridixel-contact__field textarea:focus { border-color: var(--rx-violet-light); box-shadow: 0 0 0 2px rgba(118,87,214,.16); }
.ridixel-contact__field [aria-invalid="true"] { border-color: #d65c5c; }
.ridixel-contact__field-error { margin: 7px 0 0; color: var(--rx-error); font-size: 12px; font-weight: 600; line-height: 1.6; }
.ridixel-contact__field-note { margin: 7px 0 0; color: #9ba2ad; font-size: 11px; line-height: 1.65; }
.ridixel-contact__turnstile .cf-turnstile { width: 100%; min-height: 65px; }
.ridixel-contact__agreement { margin-top: 28px; padding: 18px; border: 1px solid var(--rx-line); background: rgba(255,255,255,.025); }
.ridixel-contact__agreement.has-error { border-color: #d65c5c; }
.ridixel-contact__agreement label { display: flex; gap: 12px; align-items: flex-start; color: #e5e7eb; font-size: 13px; line-height: 1.75; }
.ridixel-contact__agreement input { width: 18px; height: 18px; flex: 0 0 18px; margin: 4px 0 0; accent-color: var(--rx-violet); }
.ridixel-contact__agreement a { display: inline-block; margin-left: .35em; color: #fff; font-weight: 700; text-decoration: underline; text-decoration-color: var(--rx-violet); text-underline-offset: 3px; }
.ridixel-contact__submit { display: flex; width: min(100%, 390px); min-height: 58px; align-items: center; justify-content: center; margin: 34px auto 0; padding: 14px 28px; border: 1px solid var(--rx-violet-light); border-radius: 0; background: linear-gradient(135deg, var(--rx-violet-dark), var(--rx-violet)); color: #fff; cursor: pointer; font-size: 15px; font-weight: 700; letter-spacing: .03em; }
.ridixel-contact__submit:hover, .ridixel-contact__submit:focus-visible { filter: brightness(1.13); }
.ridixel-contact__submit:disabled { cursor: not-allowed; filter: grayscale(.25); opacity: .64; }
.ridixel-contact__submit.is-submitting { cursor: wait; }
.ridixel-contact__submit-note { margin: 13px 0 0; color: #969da8; font-size: 12px; line-height: 1.7; text-align: center; }
.ridixel-contact__honeypot { position: absolute !important; left: -10000px !important; width: 1px !important; height: 1px !important; overflow: hidden !important; }

/* Footer */
.site-footer { padding: 38px 0; background: #040508; }
.footer-inner { display: grid; grid-template-columns: 1fr auto auto; gap: 28px; align-items: end; }
.footer-brand { font-weight: 700; letter-spacing: .18em; }
.footer-sub, .copyright { color: var(--rx-silver-dark); font-size: 10px; }
.footer-links { display: flex; gap: 16px; color: var(--rx-silver); font-size: 11px; }
.fallback-page { min-height: 70vh; padding: 120px 0; }

@media (max-width: 1000px) {
  .global-nav { gap: 17px; }
  .feature-grid, .condition-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .unit-section, .special-box { grid-template-columns: 1fr; }
  .calculator-layout { grid-template-columns: 1fr; }
  .calculator-result { position: static; }
  .price-notes { grid-template-columns: 1fr; }
}

@media (max-width: 800px) {
  html { scroll-padding-top: 70px; }
  body.admin-bar .site-header { top: 46px; }
  .container { width: min(calc(100% - 34px), var(--rx-container)); }
  .section { padding: 76px 0; }
  .section-heading { margin-bottom: 34px; }
  .header-inner { min-height: 68px; gap: 14px; }
  .global-nav { display: none; }
  .header-cta { padding: 8px 12px; font-size: 11px; }
  .brand-name { font-size: 20px; }
  .brand-sub { font-size: 8px; }
  .hero { min-height: auto; padding: 82px 0 70px; }
  .hero-inner { grid-template-columns: 1fr; gap: 46px; }
  .hero h1 { font-size: clamp(40px, 12vw, 60px); }
  .hero-actions { display: grid; grid-template-columns: 1fr; }
  .hero-actions .button-primary, .hero-actions .button-secondary { width: 100%; }
  .hero-points { display: grid; gap: 8px; }
  .hero-unit { padding: 48px 26px 30px; }
  .unit-square__dimension--side { right: -35px; }
  .feature-grid, .condition-grid, .acceptance-list { grid-template-columns: 1fr; }
  .feature-card { min-height: auto; }
  .unit-explain__visual { gap: 8px; padding: 22px 14px; }
  .unit-mini, .unit-result { width: 75px; }
  .unit-mini strong, .unit-result strong { font-size: 23px; }
  .unit-mini span, .unit-result span { margin-top: -20px; font-size: 9px; }
  .unit-cross, .unit-equals { font-size: 18px; }
  .example-box { display: block; }
  .example-box strong { display: block; margin-bottom: 4px; }
  .calculator-form, .calculator-result { padding: 24px 20px; }
  .calculator-toggle-row { grid-template-columns: 1fr; }
  .inline-unit-input { width: 100%; }
  .calculator-result__total { font-size: 45px; }
  .special-box { padding: 24px 20px; }
  .aftercare-inner { display: block; }
  .aftercare .button-secondary { width: 100%; margin-top: 28px; }
  .ridixel-contact { padding: 76px 0 82px; }
  .ridixel-contact__inner { width: 100%; }
  .ridixel-contact__header, .ridixel-contact__result, .ridixel-contact__form { width: calc(100% - 34px); }
  .ridixel-contact__form { margin-top: 30px; padding: 34px 20px 37px; }
  .ridixel-contact__grid { display: block; }
  .ridixel-contact__grid .ridixel-contact__field + .ridixel-contact__field, .ridixel-contact__field { margin-top: 22px; }
  .ridixel-contact__grid .ridixel-contact__field:first-child { margin-top: 0; }
  .ridixel-contact__grid--spaced { margin-top: 22px; }
  .ridixel-contact__agreement { padding: 15px; }
  .ridixel-contact__submit { width: 100%; }
  .footer-inner { grid-template-columns: 1fr; gap: 18px; }
  .footer-links { order: 2; }
  .copyright { order: 3; margin: 0; }
}

@media (max-width: 380px) {
  .header-cta { display: none; }
  .hero h1 { font-size: 38px; }
  .unit-mini, .unit-result { width: 65px; }
  .unit-cross, .unit-equals { font-size: 14px; }
  .calculator-result__total { font-size: 40px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}