/* =============================================================
   Surfride Technologies – site.css
   Consolidates colors_and_type.css + kit.css from the
   Surfride Technologies Design System (navy-forward editorial).
   ============================================================= */

/* ---------- Webfonts (Google Fonts substitutions, per design system) ---------- */
@import url('https://fonts.googleapis.com/css2?family=Zen+Kaku+Gothic+New:wght@400;500;700;900&family=Schibsted+Grotesk:wght@400;500;600;700&family=Noto+Sans+JP:wght@400;500;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  /* ---- Brand palette (navy / ocean) ---- */
  --sr-navy:        #184868;
  --sr-navy-deep:   #0B2E47;
  --sr-abyss:       #061A2C;
  --sr-wave:        #2E7FB8;
  --sr-foam:        #BFE0F2;
  --sr-mist:        #E6F1F8;

  /* ---- Neutrals ---- */
  --sr-ink:         #141820;
  --sr-muted:       #5A6472;
  --sr-quiet:       #8B94A3;
  --sr-line:        #E4E7EB;
  --sr-line-strong: #C8CFD8;
  --sr-surface:     #F5F7FA;
  --sr-surface-2:   #EEF2F6;
  --sr-paper:       #FFFFFF;

  /* ---- Signal ---- */
  --sr-sun:         #E8A53A;
  --sr-coral:       #D6524A;
  --sr-seagrass:    #3E8F6E;

  /* ---- Semantic ---- */
  --fg-1: var(--sr-navy-deep);
  --fg-2: var(--sr-ink);
  --fg-3: var(--sr-muted);
  --fg-4: var(--sr-quiet);
  --fg-inv: #FFFFFF;
  --bg-1: var(--sr-paper);
  --bg-2: var(--sr-surface);
  --bg-3: var(--sr-surface-2);
  --bg-inv: var(--sr-abyss);
  --accent: var(--sr-wave);
  --border: var(--sr-line);
  --border-strong: var(--sr-line-strong);

  /* ---- Type families ---- */
  --ff-display-en: 'Schibsted Grotesk', 'Helvetica Neue', Arial, sans-serif;
  --ff-display-jp: 'Zen Kaku Gothic New', 'Hiragino Sans', 'Yu Gothic', sans-serif;
  --ff-body:       'Noto Sans JP', 'Zen Kaku Gothic New', 'Hiragino Sans', sans-serif;
  --ff-body-en:    'Schibsted Grotesk', 'Helvetica Neue', Arial, sans-serif;
  --ff-mono:       'JetBrains Mono', ui-monospace, Menlo, monospace;

  /* ---- Type scale (desktop) ---- */
  --fs-hero-en:  96px;
  --fs-hero-jp:  72px;
  --fs-h1:       56px;
  --fs-h2:       40px;
  --fs-h3:       28px;
  --fs-h4:       20px;
  --fs-lead:     18px;
  --fs-body:     16px;
  --fs-small:    14px;
  --fs-caption:  13px;
  --fs-eyebrow:  12px;
  --fs-mono:     13px;

  /* ---- Line heights ---- */
  --lh-tight:   0.95;
  --lh-snug:    1.15;
  --lh-normal:  1.5;
  --lh-relaxed: 1.75;
  --lh-loose:   1.9;

  /* ---- Spacing ---- */
  --sp-1: 4px;  --sp-2: 8px;  --sp-3: 12px; --sp-4: 16px;
  --sp-5: 24px; --sp-6: 32px; --sp-7: 48px; --sp-8: 64px;
  --sp-9: 96px; --sp-10: 128px; --sp-11: 192px;

  /* ---- Radii ---- */
  --r-sm: 4px;  --r-md: 8px;  --r-lg: 16px;  --r-pill: 999px;

  /* ---- Shadows ---- */
  --shadow-xs: 0 1px 2px rgba(11,46,71,.06);
  --shadow-sm: 0 2px 8px rgba(11,46,71,.08);
  --shadow-md: 0 12px 32px -12px rgba(11,46,71,.18);

  /* ---- Motion ---- */
  --ease-out:  cubic-bezier(.2, .7, .2, 1);
  --ease-wave: cubic-bezier(.4, 0, .2, 1);
  --dur-micro: 160ms;
  --dur-base:  240ms;
  --dur-emph:  400ms;
  --dur-hero:  800ms;

  /* ---- Layout ---- */
  --container:    1280px;
  --gutter:       64px;
  --gutter-sm:    24px;
  --section-y:    128px;
  --section-y-sm: 80px;

  /* ---- Icon sizes ---- */
  --icon-sm: 16px;
  --icon-md: 20px;
  --icon-lg: 24px;
  --icon-xl: 32px;
}

/* ---------- Base reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--ff-body);
  font-size: var(--fs-body);
  line-height: var(--lh-relaxed);
  color: var(--fg-2);
  background: var(--bg-1);
  font-feature-settings: "palt" 1;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
::selection { background: var(--sr-foam); color: var(--sr-navy-deep); }

img, svg { max-width: 100%; }
button { font-family: inherit; cursor: pointer; }

/* ---------- Semantic type styles ---------- */
.sr-hero-en,
.sr-display-en {
  font-family: var(--ff-display-en);
  font-size: var(--fs-hero-en);
  line-height: var(--lh-tight);
  letter-spacing: -0.03em;
  font-weight: 600;
  color: var(--fg-1);
}
.sr-hero-jp,
.sr-display-jp {
  font-family: var(--ff-display-jp);
  font-size: var(--fs-hero-jp);
  line-height: 1.2;
  letter-spacing: -0.02em;
  font-weight: 700;
  color: var(--fg-1);
  font-feature-settings: "palt" 1;
}
h1, .sr-h1 {
  font-family: var(--ff-display-jp);
  font-size: var(--fs-h1);
  line-height: var(--lh-snug);
  letter-spacing: -0.02em;
  font-weight: 700;
  color: var(--fg-1);
  margin: 0 0 var(--sp-5);
}
h2, .sr-h2 {
  font-family: var(--ff-display-jp);
  font-size: var(--fs-h2);
  line-height: 1.2;
  letter-spacing: -0.02em;
  font-weight: 600;
  color: var(--fg-1);
  margin: 0 0 var(--sp-5);
}
h3, .sr-h3 {
  font-family: var(--ff-display-jp);
  font-size: var(--fs-h3);
  line-height: 1.3;
  letter-spacing: -0.01em;
  font-weight: 500;
  color: var(--fg-1);
  margin: 0 0 var(--sp-4);
}
h4, .sr-h4 {
  font-family: var(--ff-body);
  font-size: var(--fs-h4);
  line-height: 1.4;
  font-weight: 500;
  color: var(--fg-1);
  margin: 0 0 var(--sp-3);
}
.sr-eyebrow {
  font-family: var(--ff-display-en);
  font-size: var(--fs-eyebrow);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--sr-wave);
  display: inline-block;
}
.sr-lead {
  font-size: var(--fs-lead);
  line-height: 1.8;
  color: var(--fg-2);
}
p, .sr-body {
  font-size: var(--fs-body);
  line-height: var(--lh-relaxed);
  color: var(--fg-2);
  text-wrap: pretty;
  margin: 0 0 var(--sp-4);
}
.sr-caption {
  font-size: var(--fs-caption);
  line-height: var(--lh-normal);
  color: var(--fg-3);
  letter-spacing: 0.02em;
}
code, .sr-mono {
  font-family: var(--ff-mono);
  font-size: var(--fs-mono);
  color: var(--sr-navy-deep);
}
a {
  color: var(--sr-wave);
  text-decoration: none;
  background-image: linear-gradient(currentColor, currentColor);
  background-size: 0% 1px;
  background-repeat: no-repeat;
  background-position: 0 100%;
  transition: background-size var(--dur-base) var(--ease-out);
}
a:hover { background-size: 100% 1px; }

/* ---------- Utilities ---------- */
.sr-container { max-width: var(--container); margin: 0 auto; padding: 0 var(--gutter); }

/* =============================================================
   UI KIT STYLES
   ============================================================= */

.sr-app { min-height: 100vh; display: flex; flex-direction: column; }

/* ===== Nav ===== */
.sr-nav {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 40px;
  background: rgba(255,255,255,.72);
  backdrop-filter: blur(16px) saturate(1.2);
  -webkit-backdrop-filter: blur(16px) saturate(1.2);
  border-bottom: 1px solid var(--sr-line);
}
.sr-nav__brand { display: inline-flex; align-items: center; cursor: pointer; background: none; }
.sr-nav__brand:hover { background: none; opacity: .82; }
.sr-nav__logo {
  display: block;
  height: 44px;
  width: auto;
  object-fit: contain;
  transition: opacity var(--dur-micro) var(--ease-out);
}

/* Legacy (kept for fallback styling if brand mark is ever used) */
.sr-nav__mark { display: inline-flex; color: var(--sr-navy); width: 30px; height: 30px; align-self: center; }
.sr-nav__mark svg { width: 100%; height: 100%; }
.sr-nav__word { font-family: var(--ff-display-en); font-weight: 700; font-size: 16px; letter-spacing: .04em; color: var(--sr-navy-deep); }
.sr-nav__sub  { font-family: var(--ff-display-en); font-weight: 500; font-size: 11px; letter-spacing: .04em; color: var(--fg-3); }
.sr-nav__links { display: flex; gap: 32px; }
.sr-nav__link {
  font-family: var(--ff-display-en); font-weight: 600; font-size: 12px;
  letter-spacing: .2em; text-transform: uppercase; color: var(--sr-navy-deep);
  cursor: pointer; position: relative; padding-bottom: 4px;
  background: none;
}
.sr-nav__link:hover { background: none; opacity: 0.7; }
.sr-nav__link.is-active { color: var(--sr-wave); }
.sr-nav__link.is-active::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: 0;
  height: 1px; background: currentColor;
}
.sr-nav__cta {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--ff-display-en); font-weight: 600; font-size: 12px;
  letter-spacing: .14em; text-transform: uppercase;
  padding: 10px 18px; border-radius: 999px;
  background: var(--sr-navy); color: #fff !important; cursor: pointer;
  transition: background var(--dur-micro) var(--ease-out);
}
.sr-nav__cta:hover { background: var(--sr-navy-deep); }
.arr { font-family: var(--ff-mono); font-weight: 400; }

/* Hamburger */
.sr-nav__burger {
  display: none;
  flex-direction: column; justify-content: center; gap: 5px;
  background: none; border: none; padding: 8px;
  width: 40px; height: 40px;
}
.sr-nav__burger span {
  display: block; width: 22px; height: 1.5px;
  background: var(--sr-navy-deep);
  transition: transform var(--dur-base) var(--ease-out), opacity var(--dur-base) var(--ease-out);
}
.sr-nav__burger.is-open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.sr-nav__burger.is-open span:nth-child(2) { opacity: 0; }
.sr-nav__burger.is-open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.sr-nav__mobile {
  display: none;
  position: fixed; inset: 64px 0 0 0;
  background: #fff; z-index: 49;
  flex-direction: column;
  padding: 32px 40px;
}
.sr-nav__mobile.is-open { display: flex; }
.sr-nav__mobile a {
  font-family: var(--ff-display-en); font-weight: 600; font-size: 16px;
  letter-spacing: .14em; text-transform: uppercase;
  padding: 20px 0; border-bottom: 1px solid var(--sr-line);
  color: var(--sr-navy-deep); background: none;
}
.sr-nav__mobile a:first-child { border-top: 1px solid var(--sr-line); }

/* ===== Buttons ===== */
.sr-btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 22px; font: 500 14px/1 var(--ff-body);
  border-radius: 999px; border: 1px solid transparent; cursor: pointer;
  transition: background var(--dur-micro) var(--ease-out),
              color var(--dur-micro) var(--ease-out),
              border-color var(--dur-micro) var(--ease-out);
  background-image: none;
  text-decoration: none;
}
.sr-btn--primary { background: var(--sr-navy); color: #fff; }
.sr-btn--primary:hover { background: var(--sr-navy-deep); color: #fff; }
.sr-btn--ghost { background: transparent; color: var(--sr-navy-deep); border-color: var(--sr-line-strong); }
.sr-btn--ghost:hover { background: var(--sr-surface); border-color: var(--sr-navy-deep); }
.sr-link {
  font-family: var(--ff-display-en); font-size: 12px; font-weight: 600;
  letter-spacing: .14em; text-transform: uppercase;
  color: var(--sr-navy-deep); cursor: pointer;
  display: inline-flex; gap: 8px; align-items: center;
  background-image: none;
}
.sr-link:hover { color: var(--sr-wave); background-image: none; }

/* ===== Hero ===== */
.sr-hero {
  position: relative; background: var(--sr-abyss); color: #fff;
  padding: 128px 0 96px; overflow: hidden;
}
.sr-hero__tex {
  position: absolute; inset: 0;
  color: #fff; opacity: .06; pointer-events: none;
  background-image: url('/assets/wave-texture.svg');
  background-repeat: repeat;
  background-size: 240px 80px;
}
.sr-hero__inner { position: relative; z-index: 2; display: flex; flex-direction: column; gap: 28px; }
.sr-hero__eye { color: rgba(255,255,255,.6); }
.sr-hero__title { margin: 0; display: flex; flex-direction: column; gap: 18px; }
.sr-hero__en {
  font-family: var(--ff-display-en); font-weight: 600;
  font-size: clamp(64px, 8.5vw, 128px); line-height: .95;
  letter-spacing: -.03em; color: #fff;
}
.sr-hero__wave-word { position: relative; display: inline-block; }
.sr-hero__wave {
  position: absolute; left: 0; right: 0; bottom: -18px;
  width: 100%; height: 14px; color: var(--sr-wave);
}
.sr-hero__jp {
  font-family: var(--ff-display-jp); font-weight: 700;
  font-size: clamp(28px, 3.5vw, 56px); letter-spacing: -.01em;
  color: rgba(255,255,255,.85);
}
.sr-hero__lead {
  max-width: 620px; font-size: 18px; line-height: 1.9;
  color: rgba(255,255,255,.72);
}
.sr-hero__ctas { display: flex; gap: 12px; margin-top: 8px; flex-wrap: wrap; }
.sr-hero__ctas .sr-btn--primary { background: #fff; color: var(--sr-navy-deep); }
.sr-hero__ctas .sr-btn--primary:hover { background: var(--sr-foam); color: var(--sr-navy-deep); }
.sr-hero__ctas .sr-btn--ghost { border-color: rgba(255,255,255,.3); color: #fff; }
.sr-hero__ctas .sr-btn--ghost:hover { background: rgba(255,255,255,.08); border-color: #fff; color: #fff; }
.sr-hero__meta {
  position: relative; z-index: 2;
  max-width: var(--container); margin: 96px auto 0;
  padding: 0 64px; display: flex; gap: 48px;
  font-family: var(--ff-mono); font-size: 12px;
  color: rgba(255,255,255,.45); letter-spacing: .06em;
}

/* ===== Section shell ===== */
.sr-section { padding: 128px 0; background: var(--sr-paper); }
.sr-section--alt { background: var(--sr-surface); }
.sr-section--page { padding: 96px 0; min-height: 70vh; }
.sr-section__head { margin-bottom: 64px; max-width: 720px; }
.sr-section__head--row {
  display: flex; justify-content: space-between; align-items: flex-end;
  max-width: none; gap: 24px; flex-wrap: wrap;
}
.sr-section__head .sr-eyebrow { display: block; margin-bottom: 12px; }

/* ===== Services grid ===== */
.sr-services__grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1px;
  background: var(--sr-line); border: 1px solid var(--sr-line);
  border-radius: 16px; overflow: hidden;
}
.sr-service {
  background: var(--sr-paper); padding: 40px;
  display: flex; flex-direction: column; gap: 10px;
  cursor: pointer; transition: background var(--dur-base) var(--ease-out);
  min-height: 260px;
  text-decoration: none;
  background-image: none;
}
.sr-service:hover { background: var(--sr-surface); background-image: none; }
.sr-service__num { font-family: var(--ff-mono); font-size: 12px; color: var(--sr-wave); }
.sr-service__ttl {
  font-family: var(--ff-display-jp); font-size: 28px; font-weight: 600;
  color: var(--sr-navy-deep); line-height: 1.3; margin: 4px 0;
}
.sr-service__en {
  font-family: var(--ff-display-en); font-size: 12px;
  letter-spacing: .2em; text-transform: uppercase;
  color: var(--fg-3); font-weight: 600;
}
.sr-service__body {
  font-size: 15px; line-height: 1.75; color: var(--fg-2);
  max-width: 34ch; margin: 0;
}
.sr-service__more {
  margin-top: auto;
  font-family: var(--ff-display-en); font-size: 12px; font-weight: 600;
  letter-spacing: .14em; text-transform: uppercase;
  color: var(--sr-navy-deep); display: inline-flex; gap: 8px;
}

/* ===== Philosophy ===== */
.sr-philo { display: grid; grid-template-columns: 240px 1fr; gap: 96px; }
.sr-philo__aside {
  position: sticky; top: 120px; align-self: flex-start;
  display: flex; flex-direction: column; gap: 32px;
}
.sr-philo__index {
  display: flex; flex-direction: column; gap: 8px;
  border-top: 1px solid var(--sr-line); padding-top: 16px;
  font-size: 13px; color: var(--fg-3);
}
.sr-philo__index .sr-mono { color: var(--sr-wave); margin-right: 12px; }
.sr-philo__body { max-width: 680px; }
.sr-philo__body h2 { line-height: 1.4; }
.sr-philo__body p {
  font-size: 16px; line-height: 2; color: var(--fg-2); margin: 0 0 24px;
}
.sr-quoted { font-family: var(--ff-display-jp); color: var(--sr-wave); font-weight: 700; }
.sr-pullquote {
  margin: 48px 0; padding: 0 0 0 32px;
  border-left: 2px solid var(--sr-wave);
  font-family: var(--ff-display-jp); font-size: 28px;
  line-height: 1.6; font-weight: 500; color: var(--sr-navy-deep);
}
.sr-philo__sig {
  margin-top: 48px; display: flex; gap: 24px; color: var(--fg-3);
  flex-wrap: wrap;
}

/* ===== Works ===== */
.sr-works__strip {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
  padding: 0 64px;
  max-width: calc(var(--container) + 128px); margin: 0 auto;
}
.sr-work {
  cursor: pointer; display: flex; flex-direction: column; gap: 14px;
  text-decoration: none; background-image: none;
}
.sr-work:hover { background-image: none; }
.sr-work__img {
  aspect-ratio: 4/3; border-radius: 12px;
  position: relative; overflow: hidden;
  transition: transform var(--dur-base) var(--ease-out);
}
.sr-work:hover .sr-work__img { transform: translateY(-4px); }
.sr-work__wave { position: absolute; inset: 0; width: 100%; height: 100%; }
.sr-work__num {
  position: absolute; top: 16px; left: 18px;
  font-family: var(--ff-display-en); font-weight: 600;
  color: rgba(255,255,255,.5); font-size: 14px;
}
.sr-work__meta { display: flex; flex-direction: column; gap: 4px; }
.sr-work__meta .sr-mono {
  font-size: 11px; color: var(--sr-wave);
  letter-spacing: .12em; text-transform: uppercase;
}
.sr-work__ttl {
  font-family: var(--ff-display-jp); font-size: 17px; font-weight: 500;
  color: var(--sr-navy-deep); margin: 0; line-height: 1.5;
}

/* ===== Company ===== */
.sr-company__head { margin-bottom: 48px; }
.sr-company__dl { margin: 0; border-top: 1px solid var(--sr-line-strong); }
.sr-company__row {
  display: grid; grid-template-columns: 180px 1fr; gap: 40px;
  padding: 24px 0; border-bottom: 1px solid var(--sr-line);
}
.sr-company__row dt {
  font-family: var(--ff-display-en); font-size: 12px;
  letter-spacing: .16em; text-transform: uppercase;
  color: var(--fg-3); font-weight: 600;
}
.sr-company__row dd {
  margin: 0; font-size: 15px; color: var(--sr-navy-deep); line-height: 1.7;
}

/* ===== Contact ===== */
.sr-contact { max-width: 720px; margin: 0 auto; }
.sr-contact__head { margin-bottom: 56px; }
.sr-contact__head .sr-lead { margin-top: 16px; color: var(--fg-3); }
.sr-form {
  display: grid; grid-template-columns: 1fr 1fr; gap: 24px;
}
.sr-field { display: flex; flex-direction: column; gap: 8px; }
.sr-field--full { grid-column: span 2; }
.sr-field label {
  font-family: var(--ff-display-en); font-size: 11px;
  letter-spacing: .16em; text-transform: uppercase;
  color: var(--fg-3); font-weight: 600;
}
.sr-field label .req { color: var(--sr-coral); margin-left: 4px; }
.sr-field input, .sr-field select, .sr-field textarea {
  font: 400 15px/1.5 var(--ff-body);
  padding: 14px 14px;
  border: 1px solid var(--sr-line-strong); border-radius: 8px;
  background: #fff; color: var(--sr-ink); outline: none; resize: vertical;
  transition: border var(--dur-micro) var(--ease-out),
              box-shadow var(--dur-micro) var(--ease-out);
  width: 100%;
  font-family: var(--ff-body);
}
.sr-field input:focus, .sr-field select:focus, .sr-field textarea:focus {
  border-color: var(--sr-navy);
  box-shadow: 0 0 0 3px rgba(46,127,184,.18);
}
.sr-field select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%235A6472' stroke-width='1.5'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 40px;
}
.sr-form__submit {
  grid-column: span 2; display: flex;
  justify-content: flex-end; margin-top: 8px;
}
.sr-contact__done {
  padding: 48px 0; display: flex; flex-direction: column;
  gap: 14px; align-items: flex-start;
}
.sr-contact__done .sr-mono { color: var(--sr-wave); letter-spacing: .14em; }

.sr-validation {
  grid-column: span 2;
  padding: 12px 16px; border-radius: 8px;
  background: rgba(214, 82, 74, 0.08);
  color: var(--sr-coral);
  font-size: 13px;
  border: 1px solid rgba(214, 82, 74, 0.2);
}

/* ===== News list ===== */
.sr-news__list { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--sr-line-strong); }
.sr-news__item {
  display: grid; grid-template-columns: 120px 120px 1fr 40px;
  gap: 32px; align-items: center;
  padding: 28px 0; border-bottom: 1px solid var(--sr-line);
  transition: background var(--dur-micro) var(--ease-out);
  cursor: pointer;
  text-decoration: none;
  background-image: none;
}
.sr-news__item:hover { background: var(--sr-surface); background-image: none; }
.sr-news__date { font-family: var(--ff-mono); font-size: 13px; color: var(--fg-3); }
.sr-news__cat {
  font-family: var(--ff-display-en); font-size: 11px;
  letter-spacing: .14em; text-transform: uppercase;
  color: var(--sr-wave); font-weight: 600;
}
.sr-news__ttl {
  font-family: var(--ff-display-jp); font-size: 16px;
  color: var(--sr-navy-deep); font-weight: 500; line-height: 1.6;
}
.sr-news__arr {
  font-family: var(--ff-mono); font-size: 16px;
  color: var(--sr-navy-deep); text-align: right;
}

.sr-coming-soon {
  padding: 64px 24px; text-align: center;
  border: 1px dashed var(--sr-line-strong);
  border-radius: var(--r-lg);
  background: var(--sr-surface);
}
.sr-coming-soon .sr-mono {
  color: var(--sr-wave); letter-spacing: .18em;
  text-transform: uppercase; margin-bottom: 12px; display: block;
}

/* ===== Google Form iframe ===== */
.sr-gform-wrap {
  margin-top: 8px;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--sr-line);
}
.sr-gform-wrap iframe {
  display: block;
  min-height: 900px;
  width: 100%;
}

/* ===== Prose (Privacy) ===== */
.sr-prose { max-width: 720px; margin: 0; }
.sr-prose h2 {
  font-size: var(--fs-h3); margin: 48px 0 16px;
  color: var(--sr-navy-deep);
}
.sr-prose p, .sr-prose li {
  font-size: var(--fs-body); line-height: var(--lh-loose);
  color: var(--fg-2);
}
.sr-prose ul { padding-left: 20px; }

/* ===== Footer ===== */
.sr-footer {
  position: relative; background: var(--sr-abyss);
  color: rgba(255,255,255,.72);
  padding: 96px 0 32px; overflow: hidden; margin-top: auto;
}
.sr-footer__tex {
  position: absolute; inset: 0; color: #fff; opacity: .04;
  background-image: url('/assets/wave-texture.svg');
  background-repeat: repeat;
  background-size: 240px 80px;
}
.sr-footer__inner {
  position: relative; z-index: 2;
  display: grid; grid-template-columns: 1fr 2fr; gap: 96px;
  padding-bottom: 64px;
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.sr-footer__logo { width: 180px; margin-bottom: 24px; display: block; }
.sr-footer__brand { background-image: none; }
.sr-footer__brand:hover { background-image: none; }
.sr-footer__brand p {
  color: rgba(255,255,255,.6); line-height: 1.8; font-size: 14px;
}
.sr-footer__cols {
  display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 32px;
}
.sr-footer__cols > div { display: flex; flex-direction: column; gap: 10px; }
.sr-footer__h {
  font-family: var(--ff-display-en); font-size: 11px;
  letter-spacing: .2em; text-transform: uppercase;
  color: rgba(255,255,255,.4); font-weight: 600; margin-bottom: 6px;
}
.sr-footer__cols a {
  color: rgba(255,255,255,.82); font-size: 14px; cursor: pointer;
  text-decoration: none; background-image: none;
}
.sr-footer__cols a:hover { color: #fff; background-image: none; }
.sr-footer__btm {
  position: relative; z-index: 2;
  max-width: var(--container); margin: 32px auto 0;
  padding: 0 64px; display: flex; justify-content: space-between;
  font-family: var(--ff-mono); font-size: 11px;
  color: rgba(255,255,255,.4); letter-spacing: .08em;
  flex-wrap: wrap; gap: 12px;
}

/* ===== bg_floor (Espada Group convention) — thin navy bar ===== */
.bg_floor {
  position: fixed; bottom: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--sr-navy-deep), var(--sr-wave));
  z-index: 60; pointer-events: none;
}

/* ===== Responsive ===== */
@media (max-width: 900px) {
  :root {
    --fs-hero-en: 56px;
    --fs-hero-jp: 40px;
    --fs-h1: 36px;
    --fs-h2: 28px;
    --fs-h3: 22px;
  }
  .sr-container { padding: 0 var(--gutter-sm); }
  .sr-nav { padding: 12px 24px; }
  .sr-nav__logo { height: 36px; }
  .sr-nav__links { display: none; }
  .sr-nav__cta { display: none; }
  .sr-nav__burger { display: flex; }
  .sr-services__grid { grid-template-columns: 1fr; }
  .sr-philo { grid-template-columns: 1fr; gap: 32px; }
  .sr-philo__aside { position: static; }
  .sr-works__strip { grid-template-columns: 1fr 1fr; padding: 0 24px; gap: 16px; }
  .sr-footer__inner { grid-template-columns: 1fr; gap: 48px; }
  .sr-footer__btm { padding: 0 24px; }
  .sr-form { grid-template-columns: 1fr; }
  .sr-field--full, .sr-form__submit, .sr-validation { grid-column: span 1; }
  .sr-company__row { grid-template-columns: 1fr; gap: 4px; }
  .sr-section { padding: 80px 0; }
  .sr-hero { padding: 80px 0 64px; }
  .sr-hero__meta { padding: 0 24px; flex-wrap: wrap; gap: 16px; margin-top: 48px; }
  .sr-news__item { grid-template-columns: 1fr; gap: 4px; padding: 20px 0; }
  .sr-news__item > .sr-news__arr { display: none; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
  html { scroll-behavior: auto; }
}