/* ============================================================
   O-MENZ AUDITION LP — STREET × ATHLETIC
   White / Anton / Tiffany Blue
   ============================================================ */

/* ===========================
   RESET & BASE
=========================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 84px;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  background: #474747;
  color: white;
  font-family: 'Noto Sans JP', sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6, p, blockquote, figure { margin: 0; }

ul, ol { list-style: none; }

a { text-decoration: none; color: inherit; }

img, video, svg { max-width: 100%; display: block; }

button, input, select, textarea {
  font: inherit;
  color: inherit;
}

button { cursor: pointer; background: none; border: none; padding: 0; }

table { border-collapse: collapse; border-spacing: 0; }

textarea { resize: vertical; }

:root {
  --bg:       #ffffff;
  --bg-2:     #f6f6f6;
  --bg-3:     #ececec;
  --ink:      #0a0a0a;
  --ink-2:    #2a2a2a;
  --ink-mute: #767676;
  --line:     #0a0a0a;
  --line-soft:#d8d8d8;
  --acc:      #0aceaf;
  --acc-deep: #06a48b;
  --acc-soft: #c2fff3;
  --warn:     #ff3b1f;

  --display: "Anton", "Bebas Neue", Impact, sans-serif;
  --sans:    "Inter Tight", "Inter", "Helvetica Neue", system-ui, sans-serif;
  --jp:      "Noto Sans JP", "Hiragino Sans", system-ui, sans-serif;
  --mono:    "JetBrains Mono", "IBM Plex Mono", ui-monospace, monospace;
}

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

html { scroll-padding-top: 84px; }

body {
  margin: 0; padding: 0;
  background: var(--bg); color: var(--ink);
  font-family: var(--jp);
  font-feature-settings: "palt" 1;
  letter-spacing: 0;
}

.oc-root {
  width: 100%;
  position: relative;
  overflow-x: clip;
}

/* ── Shared primitives ─────────────────────────────────── */

.oc-q {
  font-family: var(--display);
  font-style: italic;
  letter-spacing: 0.005em;
}

.oc-tm {
  font-family: var(--mono);
  font-size: 0.42em;
  vertical-align: 0.5em;
  font-weight: 600;
  letter-spacing: 0;
  margin-left: 2px;
}

.oc-pulse-c {
  width: 8px; height: 8px; border-radius: 50%;
  display: inline-block;
  background: var(--acc);
  box-shadow: 0 0 0 0 var(--acc);
  animation: oc-pulse 1.4s ease-out infinite;
  vertical-align: middle;
  margin-right: 6px;
}

@keyframes oc-pulse {
  0%   { box-shadow: 0 0 0 0 rgba(10,206,175,0.5); }
  70%  { box-shadow: 0 0 0 8px rgba(10,206,175,0); }
  100% { box-shadow: 0 0 0 0 rgba(10,206,175,0); }
}

/* TAPE LABELS */
.oc-tape {
  display: inline-flex; align-items: stretch;
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.18em;
  text-transform: uppercase; font-weight: 600;
  position: relative;
}
.oc-tape__inner {
  display: inline-flex; align-items: center;
  padding: 8px 14px;
  background: var(--ink); color: #fff;
}
.oc-tape::before, .oc-tape::after {
  content: ""; width: 12px; align-self: stretch;
}
.oc-tape::before {
  background: repeating-linear-gradient(135deg, var(--ink) 0 4px, #fff 4px 8px);
  border: 1px solid var(--ink); border-right: 0;
}
.oc-tape::after {
  background: repeating-linear-gradient(135deg, var(--ink) 0 4px, #fff 4px 8px);
  border: 1px solid var(--ink); border-left: 0;
}
.oc-tape--accent .oc-tape__inner { background: var(--acc); color: #062a25; }
.oc-tape--warn   .oc-tape__inner { background: var(--warn); color: #fff; }

/* DORSAL NUMBER (BIB) */
.oc-bib {
  display: inline-flex; align-items: center; justify-content: center;
  position: relative; padding: 4px 10px;
  background: #fff; border: 2px solid var(--ink);
  font-family: var(--display); letter-spacing: 0.04em;
  font-size: 18px; line-height: 1;
}
.oc-bib__n { position: relative; z-index: 1; }
.oc-bib__x {
  position: absolute; left: 0; right: 0; top: 50%; height: 1px;
  background: var(--acc); transform: translateY(-50%);
  z-index: 0;
}
.oc-bib::before, .oc-bib::after {
  content: ""; position: absolute; width: 6px; height: 6px;
  background: var(--ink);
}
.oc-bib::before { top: -2px; left: -2px; }
.oc-bib::after  { bottom: -2px; right: -2px; }

/* IMG PLACEHOLDER / PHOTO */
.oc-img {
  position: relative; overflow: hidden;
  background:
    repeating-linear-gradient(45deg, transparent 0 16px, rgba(10,10,10,0.04) 16px 17px),
    var(--bg-2);
  border: 1.5px solid var(--ink);
  width: 100%; max-width: 30vw; min-height: 700px;
}
.oc-img__src {
  position: absolute; inset: 0; width: 100%; height: 100%; z-index: 2;
}
.oc-img__src--contain { object-fit: contain; padding: 24px; }
.oc-img__src--cover   { object-fit: cover; }
.oc-img__crop span {
  position: absolute; width: 14px; height: 14px;
  border: 2px solid var(--ink); background: #fff;
}
.oc-img__crop span:nth-child(1) { top: -1px;    left: -1px;  border-right: 0; border-bottom: 0; }
.oc-img__crop span:nth-child(2) { top: -1px;    right: -1px; border-left: 0;  border-bottom: 0; }
.oc-img__crop span:nth-child(3) { bottom: -1px; left: -1px;  border-right: 0; border-top: 0; }
.oc-img__crop span:nth-child(4) { bottom: -1px; right: -1px; border-left: 0;  border-top: 0; }

/* SECTION SHARED */
.oc-section {
  padding: 120px 56px;
  position: relative;
  border-top: 1.5px solid var(--ink);
  background: var(--bg);
}
.oc-section--alt { background: var(--bg-2); }

.oc-section__head {
  display: grid; grid-template-columns: auto 1fr auto auto;
  align-items: center; gap: 16px; margin-bottom: 56px;
}
.oc-section__no  { font-family: var(--mono); font-size: 12px; font-weight: 700; letter-spacing: 0.16em; }
.oc-section__rule { height: 1.5px; background: var(--ink); }
.oc-section__k   { font-family: var(--display); font-size: 36px; line-height: 1; letter-spacing: 0.02em; text-transform: uppercase; font-style: italic; }
.oc-section__jp  { font-family: var(--mono); font-size: 12px; letter-spacing: 0.14em; color: var(--ink-2); }

.oc-h2 {
  font-family: var(--display); font-weight: 400;
  font-size: 96px; line-height: 0.95; letter-spacing: 0.005em;
  margin: 0 0 32px; text-transform: uppercase;
  display: flex; flex-wrap: wrap; gap: 0 18px; align-items: baseline;
}
.oc-h2--center { justify-content: center; text-align: center; }
.oc-h2--sm     { font-size: 56px; }
.oc-h2--accent {
  font-family: var(--display); font-style: italic;
  color: var(--ink); position: relative;
  background: var(--acc); padding: 0 14px;
  display: inline-block; transform: skewX(-6deg);
}
.oc-h2--center .oc-h2--accent { padding: 0 18px; }

.oc-foot-note {
  font-family: var(--mono); font-size: 11px;
  color: var(--ink-mute); letter-spacing: 0.04em; margin-top: 24px;
}
.oc-foot-note a { color: var(--acc-deep); }

/* CBTN — split buttons */
.oc-cbtn {
  display: inline-flex; align-items: stretch; text-decoration: none;
  border: 2px solid var(--ink); background: #fff;
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.16em;
  text-transform: uppercase; font-weight: 700;
  cursor: pointer; transition: background 0.15s, color 0.15s;
}
.oc-cbtn__l   { padding: 16px 22px; background: var(--ink); color: #fff; transition: background 0.15s, color 0.15s; }
.oc-cbtn__sep { width: 2px; background: var(--ink); }
.oc-cbtn__r   { padding: 16px 22px; color: var(--ink); display: inline-flex; align-items: center; gap: 8px; transition: background 0.15s, color 0.15s; }
.oc-cbtn--solid .oc-cbtn__l { background: var(--acc); color: var(--ink); }
.oc-cbtn--solid .oc-cbtn__r { background: var(--ink); color: #fff; }
.oc-cbtn--ghost .oc-cbtn__l { background: #fff; color: var(--ink); }
.oc-cbtn--big   { font-size: 14px; align-self: flex-start; }
.oc-cbtn--big .oc-cbtn__l { padding: 24px 28px; }
.oc-cbtn--big .oc-cbtn__r { padding: 24px 28px; }
.oc-cbtn:hover .oc-cbtn__l { background: var(--acc); color: var(--ink); }
.oc-cbtn:hover .oc-cbtn__r { background: var(--ink); color: var(--acc); }
.oc-cbtn--solid:hover .oc-cbtn__l { background: #fff; color: var(--ink); }
.oc-cbtn--solid:hover .oc-cbtn__r { background: var(--acc); color: var(--ink); }

/* ============================================================
   HEADER
   ============================================================ */
.oc-header {
  background: #fff; border-bottom: 2px solid var(--ink);
}
.oc-header__main {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 24px;
  position: sticky; top: 0; z-index: 100;
  background: #fff; border-bottom: 1.5px solid var(--ink);
}
.oc-header__logo { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); }
.oc-header__logo-img { display: block; height: 56px; width: auto; }
.oc-header__nav { display: flex; gap: 0; }
.oc-header__nav a {
  padding: 10px clamp(8px, calc(0.89vw + 1.1px), 14px);
  text-decoration: none; color: var(--ink);
  font-family: var(--mono); font-weight: 700;
  font-size: clamp(9.5px, calc(0.22vw + 7.8px), 11px);
  letter-spacing: clamp(0.08em, calc(0.012vw + 0.02em), 0.16em);
  text-transform: uppercase;
  display: inline-flex; align-items: baseline;
  gap: clamp(4px, calc(0.15vw + 3px), 6px);
  border-left: 1px solid var(--line-soft);
  transition: background 0.15s, color 0.15s;
}
.oc-header__nav a:hover { background: var(--ink); color: #fff; }
.oc-header__nav a:last-child { border-right: 1px solid var(--line-soft); }
.oc-header__nav-n {
  color: var(--ink-mute);
  font-size: clamp(8px, calc(0.224vw + 6.3px), 9.5px);
}
.oc-header__cta {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 18px;
  background: var(--acc); color: var(--ink); text-decoration: none;
  border: 1.5px solid var(--ink);
  font-family: var(--mono); font-weight: 700; font-size: 12px;
  letter-spacing: 0.14em; text-transform: uppercase;
  transition: background 0.15s, color 0.15s;
}
.oc-header__cta:hover { background: var(--ink); color: var(--acc); }

/* Header marquee band */
.oc-header__band {
  border-top: 1px solid var(--ink); padding: 8px 0; overflow: hidden;
  background: var(--ink); color: #fff;
}
.oc-header__band-track {
  display: flex; gap: 36px; white-space: nowrap;
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase;
  animation: oc-band 50s linear infinite;
}
.oc-header__band-item { display: inline-flex; align-items: center; gap: 12px; }
.oc-header__band-item span:not(.oc-pulse-c) { color: var(--acc); }

@keyframes oc-band {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ============================================================
   CHAIN DECOR
   ============================================================ */
.oc-chain {
  position: absolute; pointer-events: none; z-index: 2;
  display: block; height: auto;
  filter: drop-shadow(0 12px 24px rgba(0,0,0,0.22)) drop-shadow(0 3px 6px rgba(0,0,0,0.15));
}
.oc-chain--hero-1 { bottom: 4%; right: -8vw; width: 70vw; }

/* ============================================================
   HERO
   ============================================================ */
.oc-hero { padding: 0; position: relative; overflow: hidden; }

.oc-hero__topline {
  display: flex; justify-content: space-between; align-items: center;
  padding: 16px 56px; border-bottom: 1px solid var(--ink);
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--ink-2);
}
.oc-hero__topline span { display: inline-flex; align-items: center; gap: 10px; }

.oc-hero__main {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  grid-template-rows: 1fr auto;
  align-items: stretch; border-bottom: 1.5px solid var(--ink);
}
.oc-hero__l-top {
  grid-column: 1; grid-row: 1;
  padding: 56px clamp(24px, 3.9vw, 56px) 0 56px;
  border-right: 1px solid var(--ink);
  background:
    linear-gradient(to right, rgba(10,10,10,0.04) 1px, transparent 1px) 0 0 / 64px 100%,
    #fff;
  position: relative;
}
.oc-hero__l-btm {
  grid-column: 1; grid-row: 2;
  padding: 0 56px 56px;
  border-right: 1px solid var(--ink);
  background: #fff;
  position: relative;
}
.oc-hero__r {
  grid-column: 2; grid-row: 1 / 3;
  padding: 56px 56px 56px clamp(24px, 3.9vw, 56px);
  background: #fff;
  position: relative;
  display: flex; flex-direction: column; gap: 32px;
}

.oc-hero__sup {
  position: relative; z-index: 5;
  display: flex; align-items: center; gap: 16px; margin-bottom: 32px;
}
.oc-hero__sup-text { font-family: var(--mono); font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-2); }

.oc-hero__h {
  position: relative; z-index: 5;
  font-family: var(--display); font-weight: 400;
  font-size: clamp(80px, 13.9vw, 200px); line-height: 0.82; letter-spacing: 0.005em;
  margin: 0 0 36px; text-transform: uppercase; color: var(--ink);
}
.oc-hero__h-row            { display: block; }
.oc-hero__h-row--big       { font-size: clamp(96px, 14.6vw, 240px); }
.oc-hero__h-row--mid       { font-size: 96px; padding-left: 60px; line-height: 1; }
.oc-hero__h-and            { color: var(--ink-mute); font-style: italic; padding-right: 12px; }
.oc-hero__h-row--accent    { display: flex; align-items: baseline; }
.oc-hero__h-row--accent .oc-q {
  background: var(--acc); color: var(--ink); padding: 0 24px;
  transform: skewX(-6deg); display: inline-block;
}

.oc-header__actions { display: flex; align-items: center; gap: 8px; }
.oc-header__menu { display: none; }
.oc-entrybar { display: none; }

.oc-hero__deck {
  position: relative; z-index: 5;
  padding: 24px;
  border: 2px solid var(--ink); margin-bottom: 36px;
}
.oc-hero__deck::before {
  content: "FIG · A"; position: absolute; top: -10px; left: 16px;
  font-family: var(--mono); font-size: 10px; font-weight: 700; letter-spacing: 0.18em;
  background: var(--acc); padding: 2px 8px; color: var(--ink);
}
.oc-hero__deck p {
  font-size: 15px; line-height: 1.85; margin: 0; color: var(--ink);
  position: relative; z-index: 1;
}
.oc-hero__deck p::before {
  content: ""; position: absolute; inset: -8px -10px; z-index: -1;
  background: rgba(255,255,255,0.88);
}
.oc-hero__deck strong { font-family: var(--display); font-style: italic; font-weight: 400; font-size: 1.08em; }

.oc-hero__cta {
  position: relative; z-index: 5;
  display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 56px;
}

.oc-hero__kpi {
  position: relative; z-index: 5;
  display: grid; grid-template-columns: repeat(4, 1fr);
  border-top: 1.5px solid var(--ink); border-bottom: 1.5px solid var(--ink);
}
.oc-hero__kpi-cell {
  padding: 18px 16px; border-right: 1px solid var(--line-soft);
  display: flex; flex-direction: column; gap: 4px;
}
.oc-hero__kpi-cell:last-child { border-right: 0; }
.oc-hero__kpi-k { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-mute); }
.oc-hero__kpi-v { font-family: var(--display); font-size: 32px; line-height: 1; letter-spacing: 0.02em; }

.oc-hero__photo-wrap { position: relative; z-index: 3; }
.oc-hero__photo-tag  { position: absolute; top: -16px; left: 16px; z-index: 5; }

/* Spinning stamp */
.oc-hero__stamp {
  position: absolute; right: 36px; bottom: -56px;
  width: 160px; height: 160px; z-index: 4;
  display: flex; align-items: center; justify-content: center;
}
.oc-hero__stamp-ring {
  position: absolute; inset: 0; border-radius: 50%;
  background: var(--ink); color: #fff;
  display: flex; align-items: center; justify-content: center;
  animation: oc-spin 18s linear infinite;
  font-family: var(--mono); font-size: 9px; letter-spacing: 0.2em; text-transform: uppercase;
}
.oc-hero__stamp-ring span {
  position: absolute; inset: 6px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center; text-align: center;
}
.oc-hero__stamp-ring::before {
  content: ""; position: absolute; inset: 14px;
  border: 1px solid #fff; border-radius: 50%;
}
@keyframes oc-spin { to { transform: rotate(360deg); } }
.oc-hero__stamp-core {
  position: relative; z-index: 1;
  width: 86px; height: 86px; border-radius: 50%;
  background: var(--acc); color: var(--ink);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  border: 2px solid var(--ink);
}
.oc-hero__stamp-num { font-family: var(--display); font-size: 36px; line-height: 1; letter-spacing: 0.02em; }
.oc-hero__stamp-sub { font-family: var(--mono); font-size: 9px; letter-spacing: 0.18em; }

/* Hero floor marquee */
.oc-hero__floor { background: var(--ink); color: #fff; padding: 24px 0; overflow: hidden; }
.oc-hero__floor-track {
  display: flex; gap: 24px; white-space: nowrap;
  font-family: var(--display); font-style: italic;
  font-size: 80px; line-height: 1; letter-spacing: 0.02em; text-transform: uppercase;
  animation: oc-band 30s linear infinite;
}
.oc-hero__floor-track span          { color: #fff; }
.oc-hero__floor-track span:nth-child(2n) { color: var(--acc); }

/* ============================================================
   INDEX
   ============================================================ */
.oc-index { padding: 80px 56px; border-top: 1.5px solid var(--ink); background: #fff; }
.oc-index__head {
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--ink-2);
  padding-bottom: 16px; border-bottom: 1px solid var(--ink); margin-bottom: 16px;
}
.oc-index__no { color: var(--ink); font-weight: 700; }
.oc-index__rows { display: flex; flex-direction: column; }
.oc-index__row {
  display: grid; grid-template-columns: 60px 240px 1fr auto 32px;
  align-items: center; gap: 24px;
  padding: 18px 0; border-bottom: 1px solid var(--line-soft);
  text-decoration: none; color: var(--ink); cursor: pointer;
  transition: background .2s, padding .2s;
}
.oc-index__row:hover { background: var(--acc); padding-left: 12px; }
.oc-index__row-n   { font-family: var(--mono); font-size: 12px; font-weight: 700; letter-spacing: 0.14em; }
.oc-index__row-k   { font-family: var(--display); font-size: 56px; line-height: 1; font-style: italic; letter-spacing: 0.02em; }
.oc-index__row-rule { height: 1px; background: var(--line-soft); }
.oc-index__row-v   { font-family: var(--mono); font-size: 12px; letter-spacing: 0.06em; color: var(--ink-2); }
.oc-index__row-arr { font-size: 22px; color: var(--ink); }

/* ============================================================
   CONCEPT
   ============================================================ */
.oc-concept { display: grid; grid-template-columns: 1fr 1.4fr; gap: 56px; align-items: start; }
.oc-concept__l { display: flex; flex-direction: column; gap: 24px; }
.oc-concept__l .oc-h2 { font-size: clamp(36px, calc(6.94vw - 16.3px), 76px); }
.oc-concept__stat {
  display: inline-flex; align-items: center; gap: 12px;
  padding: 12px 16px; border: 1.5px solid var(--ink); width: fit-content;
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase;
}
.oc-concept__cols { columns: 2; column-gap: 32px; column-rule: 1px solid var(--line-soft); }
.oc-concept__p   { font-size: 14.5px; line-height: 1.95; margin: 0 0 14px; break-inside: avoid; }
.oc-concept__pull {
  margin-top: 32px; padding: 28px; background: var(--ink); color: #fff;
  display: grid; grid-template-columns: auto 1fr auto; gap: 16px; align-items: center;
}
.oc-concept__pull-l,
.oc-concept__pull-r { font-family: var(--display); font-style: italic; font-size: 80px; line-height: 0.7; color: var(--acc); }
.oc-concept__pull-t { font-family: var(--display); font-style: italic; font-size: 36px; line-height: 1.2; text-align: center; }
.oc-concept__pull-t em { font-style: italic; color: var(--acc); }
.oc-concept__media { display: grid; grid-template-columns: 1fr; gap: 12px; margin-top: 56px; }
.oc-concept__media-cell .oc-img { max-width: none; }

/* ============================================================
   CHAPTER
   ============================================================ */
.oc-chapter__rail {
  display: grid; grid-template-columns: repeat(3, 1fr);
  border: 1.5px solid var(--ink); background: #fff;
}
.oc-chap {
  padding: 28px; border-right: 1px solid var(--ink);
  display: flex; flex-direction: column; gap: 14px; min-height: 360px; position: relative;
}
.oc-chap:last-child { border-right: 0; }
.oc-chap.is-current { background: var(--acc-soft); }
.oc-chap__head { display: flex; justify-content: space-between; align-items: center; }
.oc-chap__chip {
  font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.14em;
  text-transform: uppercase; padding: 4px 8px;
}
.oc-chap__chip--now  { background: var(--ink); color: var(--acc); }
.oc-chap__chip--done { color: var(--ink-mute); }
.oc-chap__roman {
  font-family: var(--display); font-style: italic;
  font-size: 200px; line-height: 0.82; color: var(--ink); letter-spacing: 0.02em;
}
.oc-chap.is-current .oc-chap__roman { color: var(--acc-deep); }
.oc-chap__year { font-family: var(--mono); font-size: 12px; letter-spacing: 0.12em; color: var(--ink-2); }
.oc-chap__h    { font-family: var(--display); font-size: 32px; margin: 0; font-weight: 400; letter-spacing: 0.02em; line-height: 1.05; }
.oc-chap p     { font-size: 14px; line-height: 1.8; margin: 0; color: var(--ink-2); flex: 1; }
.oc-chap__bar  { height: 4px; background: #fff; border: 1px solid var(--ink); margin-top: 8px; }
.oc-chap__bar span { display: block; height: 100%; background: var(--acc); }

/* ============================================================
   SCHEDULE
   ============================================================ */
.oc-sched { border: 1.5px solid var(--ink); background: #fff; margin-bottom: 64px; }
.oc-sched__head {
  display: grid; grid-template-columns: clamp(140px,11vw,180px) clamp(110px,9vw,150px) clamp(240px,19vw,320px) clamp(220px,17vw,300px) 1fr;
  align-items: center; gap: 16px; padding: 12px 24px;
  background: var(--ink); color: #fff;
  font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.16em;
  text-transform: uppercase; font-weight: 700;
}
.oc-sched__head span:nth-child(3) { color: var(--acc); }
.oc-sched__row {
  display: grid; grid-template-columns: clamp(140px,11vw,180px) clamp(110px,9vw,150px) clamp(240px,19vw,320px) clamp(220px,17vw,300px) 1fr;
  align-items: center; gap: 16px; padding: 24px;
  border-top: 1px solid var(--line-soft); transition: background .2s;
}
.oc-sched__row--final    { background: var(--ink); color: #fff; }
.oc-sched__row--final:hover { background: var(--ink); }
.oc-sched__row--tba      { opacity: 0.6; }
.oc-sched__phase         { display: flex; align-items: baseline; gap: 6px; }
.oc-sched__phase-big     { font-family: var(--display); font-size: 56px; line-height: 0.85; letter-spacing: 0.02em; }
.oc-sched__row--open .oc-sched__phase-big  { color: var(--acc-deep); }
.oc-sched__row--final .oc-sched__phase-big { color: var(--acc); }
.oc-sched__phase-sm      { font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; color: var(--ink-mute); }
.oc-sched__row--final .oc-sched__phase-sm { color: var(--acc); }
.oc-sched__status {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase;
  display: inline-flex; align-items: center; padding: 4px 10px;
  background: #fff; border: 1.5px solid var(--ink); width: fit-content;
}
.oc-sched__row--open  .oc-sched__status  { background: var(--acc); }
.oc-sched__row--final .oc-sched__status  { background: var(--acc); color: var(--ink); border-color: var(--acc); }
.oc-sched__what  { font-family: var(--display); font-style: italic; font-size: 26px; letter-spacing: 0.02em; }
.oc-sched__date  { font-family: var(--mono); font-size: 14px; font-weight: 600; letter-spacing: 0.06em; }
.oc-sched__note  { font-size: 13px; color: var(--ink-2); }
.oc-sched__row--final .oc-sched__note { color: #fff; }

.oc-final {
  display: grid; grid-template-columns: 1fr 0.8fr;
  border: 1.5px solid var(--ink); background: var(--ink); color: #fff;
}
.oc-final__l { padding: 48px; display: flex; flex-direction: column; gap: 16px; border-right: 1px solid #fff; }
.oc-final__h {
  font-family: var(--display); font-weight: 400;
  font-size: 96px; line-height: 0.92; letter-spacing: 0.02em;
  text-transform: uppercase; margin: 8px 0 12px; display: flex; flex-direction: column;
}
.oc-final__h-jp { font-size: 56px; color: var(--acc); }
.oc-final p      { font-size: 15px; line-height: 1.8; color: #d8d8d8; margin: 0; }
.oc-final__list  { list-style: none; padding: 0; margin: 16px 0 0; border-top: 1px solid #2a2a2a; }
.oc-final__list li {
  display: grid; grid-template-columns: 100px 1fr; gap: 16px; align-items: baseline;
  padding: 14px 0; border-bottom: 1px solid #2a2a2a;
}
.oc-final__list span   { font-family: var(--mono); font-size: 11px; letter-spacing: 0.16em; color: var(--acc); }
.oc-final__list strong { font-family: var(--display); font-size: 22px; letter-spacing: 0.04em; font-weight: 400; }
.oc-final__r    { padding: 48px; display: flex; flex-direction: column; gap: 48px; }
.oc-final__r .oc-img { max-width: none; flex: 1; }
.oc-final__bib  {
  border: 2px solid var(--acc); padding: 24px;
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  background: rgba(10,206,175,0.06);
}
.oc-final__bib-n { font-family: var(--display); font-size: 96px; line-height: 0.9; color: var(--acc); letter-spacing: 0.02em; }
.oc-final__bib-l { font-family: var(--mono); font-size: 11px; letter-spacing: 0.16em; color: #fff; text-transform: uppercase; }

/* ============================================================
   REQUIREMENTS
   ============================================================ */
.oc-req__plate { border: 1.5px solid var(--ink); background: #fff; max-width: 860px; margin: 0 auto; }
.oc-req__row {
  display: grid; grid-template-columns: 40px 120px 1fr; align-items: center; gap: 16px;
  padding: 22px 24px; border-bottom: 1px solid var(--line-soft);
}
.oc-req__row:last-child { border-bottom: 0; }
.oc-req__n { font-family: var(--mono); font-size: 14px; font-weight: 700; letter-spacing: 0.12em; color: var(--acc-deep); }
.oc-req__k { font-family: var(--display); font-size: 28px; letter-spacing: 0.02em; }
.oc-req__v { font-family: var(--display); font-style: italic; font-size: 22px; letter-spacing: 0.02em; }

/* ============================================================
   BENEFIT
   ============================================================ */
.oc-benefit {
  display: grid; grid-template-columns: repeat(2, 1fr);
  border: 1.5px solid var(--ink);
}
.oc-benefit__card {
  padding: 32px; background: #fff; min-height: 280px;
  display: flex; flex-direction: column; gap: 12px;
  position: relative; border-right: 1px solid var(--ink); border-bottom: 1px solid var(--ink);
}
.oc-benefit__card:nth-child(2n)      { border-right: 0; }
.oc-benefit__card:nth-last-child(-n+2) { border-bottom: 0; }
.oc-benefit__head {
  display: flex; justify-content: flex-end; align-items: center;
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--ink-mute);
}
.oc-benefit__num {
  font-family: var(--display); font-style: italic; font-size: 120px; line-height: 0.85;
  color: var(--ink); letter-spacing: 0.02em;
}
.oc-benefit__card:hover { background: var(--acc-soft); }
.oc-benefit__card h3    { font-family: var(--display); font-size: 32px; margin: 0; font-weight: 400; letter-spacing: 0.02em; }
.oc-benefit__card p     { font-size: 14.5px; line-height: 1.8; color: var(--ink-2); margin: 0; flex: 1; }
.oc-benefit__foot {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 12px; border-top: 1px dashed var(--line-soft);
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em; color: var(--ink); font-weight: 700;
}

/* ============================================================
   FLOW
   ============================================================ */
.oc-flow {
  list-style: none; padding: 0; margin: 0 auto;
  max-width: 880px; border: 1.5px solid var(--ink); background: #fff;
}
.oc-flow__row {
  display: grid; grid-template-columns: 100px 1fr 32px;
  align-items: center; gap: 24px; padding: 24px 32px;
  border-bottom: 1px solid var(--line-soft); position: relative;
}
.oc-flow__row:last-child { border-bottom: 0; background: var(--ink); color: #fff; }
.oc-flow__row:last-child p { color: #d8d8d8; }
.oc-flow__n {
  font-family: var(--display); font-style: italic; font-size: 56px; line-height: 1;
  color: var(--acc-deep); letter-spacing: 0.04em;
}
.oc-flow__row:last-child .oc-flow__n { color: var(--acc); }
.oc-flow__rule { display: none; }
.oc-flow__body h3 { font-family: var(--display); font-size: 28px; margin: 0 0 4px; font-weight: 400; letter-spacing: 0.02em; }
.oc-flow__body p  { font-size: 14px; line-height: 1.8; color: var(--ink-2); margin: 0; }
.oc-flow__arr { font-family: var(--display); font-size: 24px; color: var(--ink); text-align: right; }
.oc-flow__row:last-child .oc-flow__arr { color: var(--acc); }

/* ============================================================
   AGREEMENT
   ============================================================ */
.oc-agree { background: #fff; border: 1.5px solid var(--ink); padding: 40px; }
.oc-agree__head  { display: flex; justify-content: space-between; align-items: center; gap: 24px; margin-bottom: 16px; flex-wrap: wrap; }
.oc-agree__intro { font-size: 14.5px; color: var(--ink-2); margin: 0 0 24px; }
.oc-agree__list  { list-style: none; padding: 0; margin: 0; }
.oc-agree__list li {
  display: grid; grid-template-columns: 80px 1fr; gap: 16px;
  padding: 20px 0; border-top: 1px solid var(--line-soft);
  font-size: 14.5px; line-height: 1.85; align-items: start;
}
.oc-agree__n { font-family: var(--mono); font-size: 12px; font-weight: 700; letter-spacing: 0.12em; color: var(--acc-deep); padding-top: 2px; }

/* ============================================================
   FAQ  (using <details>)
   ============================================================ */
.oc-faq { border: 1.5px solid var(--ink); background: #fff; }
.oc-faq__row {
  border-bottom: 1px solid var(--line-soft);
  transition: background .15s;
}
.oc-faq__row:last-child { border-bottom: 0; }
.oc-faq__row[open] { background: var(--ink); color: #fff; }
.oc-faq__q {
  display: grid; grid-template-columns: 80px 1fr 32px; align-items: center; gap: 16px;
  padding: 22px 24px; cursor: pointer; list-style: none;
  -webkit-user-select: none;
  user-select: none;
}
.oc-faq__q::-webkit-details-marker { display: none; }
.oc-faq__q::marker { display: none; }
.oc-faq__qn  { font-family: var(--mono); font-size: 12px; font-weight: 700; letter-spacing: 0.14em; color: var(--acc-deep); }
.oc-faq__row[open] .oc-faq__qn { color: var(--acc); }
.oc-faq__qt  { font-family: var(--display); font-size: 26px; letter-spacing: 0.02em; }
.oc-faq__chev { text-align: right; font-family: var(--display); font-size: 32px; }
.oc-faq__chev::after { content: "+"; }
.oc-faq__row[open] .oc-faq__chev::after { content: "−"; }
.oc-faq__a {
  display: grid; grid-template-columns: 80px 1fr; gap: 16px;
  padding: 16px 24px 22px;
}
.oc-faq__a span { font-family: var(--mono); font-size: 12px; letter-spacing: 0.14em; color: var(--acc); font-weight: 700; }
.oc-faq__a p    { font-size: 14.5px; line-height: 1.8; margin: 0; color: #d8d8d8; }

/* ============================================================
   MOBILE MENU
   ============================================================ */
.oc-menu {
  position: fixed; inset: 0; z-index: 300;
  display: flex; flex-direction: column;
  background: var(--ink); color: #fff;
  visibility: hidden; opacity: 0;
  transition: opacity .25s ease, visibility .25s ease;
}
body.is-menu-open .oc-entrybar { visibility: hidden; }
.oc-menu.is-open { visibility: visible; opacity: 1; }
@media (min-width: 769px) { .oc-menu { display: none; } }

.oc-menu__head {
  display: flex; justify-content: space-between; align-items: center;
  padding: 14px 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}
.oc-menu__brand {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.16em;
  display: inline-flex; align-items: center; gap: 8px; color: #fff;
}
.oc-menu__brand-sep { color: var(--acc); }
.oc-menu__close {
  width: 36px; height: 36px;
  background: var(--acc); border: 1.25px solid var(--acc);
  position: relative; cursor: pointer;
}
.oc-menu__close span {
  position: absolute; top: 50%; left: 50%;
  width: 18px; height: 1.5px; background: var(--ink);
}
.oc-menu__close span:first-child { transform: translate(-50%, -50%) rotate(45deg); }
.oc-menu__close span:last-child  { transform: translate(-50%, -50%) rotate(-45deg); }

.oc-menu__nav {
  display: flex; flex-direction: column;
  flex: 1; overflow-y: auto;
}
.oc-menu__nav a {
  display: grid; grid-template-columns: 56px 1fr 28px;
  align-items: center; gap: 12px;
  padding: 18px 20px;
  text-decoration: none; color: #fff;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  opacity: 0; transform: translateY(8px);
  transition: opacity .3s ease, transform .3s ease, background .15s, padding .15s, color .15s;
}
.oc-menu__nav a:last-child { border-bottom: 0; }
.oc-menu.is-open .oc-menu__nav a { opacity: 1; transform: translateY(0); }
.oc-menu.is-open .oc-menu__nav a:nth-child(1) { transition-delay: .04s, .04s, 0s, 0s, 0s; }
.oc-menu.is-open .oc-menu__nav a:nth-child(2) { transition-delay: .07s, .07s, 0s, 0s, 0s; }
.oc-menu.is-open .oc-menu__nav a:nth-child(3) { transition-delay: .10s, .10s, 0s, 0s, 0s; }
.oc-menu.is-open .oc-menu__nav a:nth-child(4) { transition-delay: .13s, .13s, 0s, 0s, 0s; }
.oc-menu.is-open .oc-menu__nav a:nth-child(5) { transition-delay: .16s, .16s, 0s, 0s, 0s; }
.oc-menu.is-open .oc-menu__nav a:nth-child(6) { transition-delay: .19s, .19s, 0s, 0s, 0s; }
.oc-menu.is-open .oc-menu__nav a:nth-child(7) { transition-delay: .22s, .22s, 0s, 0s, 0s; }
.oc-menu.is-open .oc-menu__nav a:nth-child(8) { transition-delay: .25s, .25s, 0s, 0s, 0s; }
.oc-menu__nav a:hover,
.oc-menu__nav a:active {
  background: var(--acc); color: var(--ink);
  padding-left: 28px;
}
.oc-menu__nav a:hover .oc-menu__n,
.oc-menu__nav a:active .oc-menu__n { color: var(--ink); }
.oc-menu__n {
  font-family: var(--mono); font-size: 11px; font-weight: 700;
  letter-spacing: 0.14em; color: var(--acc);
}
.oc-menu__lbl {
  font-family: var(--display); font-style: italic; font-weight: 400;
  font-size: 32px; line-height: 1; letter-spacing: 0.02em;
}
.oc-menu__arr { font-family: var(--display); font-size: 22px; text-align: right; }

.oc-menu__foot {
  padding: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  display: flex; flex-direction: column; gap: 10px;
}
.oc-menu__cta {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  height: 56px;
  background: var(--acc); color: var(--ink);
  font-family: var(--display); font-size: 18px; letter-spacing: 0.16em;
  border: 1.5px solid var(--acc); text-decoration: none;
}
.oc-menu__cta:hover { background: var(--ink); color: var(--acc); }
.oc-menu__note {
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.14em;
  color: rgba(255, 255, 255, 0.6); text-align: center;
}

body.is-menu-open { overflow: hidden; }

/* ============================================================
   LEGAL
   ============================================================ */
.oc-legal { display: flex; flex-direction: column; gap: 0; border: 1.5px solid var(--ink); max-height: 320px; overflow-y: auto; }
.oc-legal__lead { font-size: 13.5px; line-height: 1.95; padding: 28px 32px; border-bottom: 1px solid var(--line-soft); }
.oc-legal__art { display: flex; flex-direction: column; gap: 8px; padding: 24px 32px; border-bottom: 1px solid var(--line-soft); }
.oc-legal__art:last-child { border-bottom: 0; }
.oc-legal__art-h { font-family: var(--mono); font-size: 11px; font-weight: 700; letter-spacing: 0.12em; color: var(--acc-deep); margin-bottom: 4px; }
.oc-legal__art p { font-size: 13.5px; line-height: 1.9; margin: 0; }
.oc-legal__art ul { font-size: 13.5px; line-height: 1.9; margin: 4px 0 0; padding-left: 1.4em; }
.oc-legal__art li { margin-bottom: 2px; }
.oc-legal__note { font-size: 12px; color: var(--ink-mute); font-family: var(--mono); }
.oc-legal__link { color: var(--acc-deep); text-decoration: underline; word-break: break-all; }
@media (max-width: 768px) {
  .oc-legal__lead { padding: 20px; font-size: 12.5px; }
  .oc-legal__art { padding: 20px; gap: 6px; }
  .oc-legal__art p, .oc-legal__art ul { font-size: 12.5px; }
}

/* ============================================================
   CTA
   ============================================================ */
.oc-cta { padding: 0; border-top: 1.5px solid var(--ink); background: #fff; }
.oc-cta__strip {
  background: var(--acc); color: var(--ink); padding: 16px 0; overflow: hidden;
  border-bottom: 1.5px solid var(--ink);
}
.oc-cta__strip-track {
  display: flex; gap: 24px; white-space: nowrap;
  font-family: var(--display); font-style: italic; font-size: 56px; line-height: 1;
  letter-spacing: 0.02em; text-transform: uppercase; color: var(--ink);
  animation: oc-band 35s linear infinite;
}
.oc-cta__inner {
  display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 48px;
  padding: 96px 56px; align-items: center;
}
.oc-cta__inner > * { min-width: 0; }
.oc-cta__l { display: flex; flex-direction: column; gap: 24px; }
.oc-cta__h {
  font-family: var(--display); font-weight: 400;
  font-size: clamp(72px, 11.1vw, 160px); line-height: 0.88; letter-spacing: 0.005em;
  margin: 0; display: flex; flex-direction: column; text-transform: uppercase;
}
.oc-cta__h--accent {
  background: var(--acc); color: var(--ink); padding: 0 18px;
  font-style: italic; transform: skewX(-6deg); width: fit-content;
  display: inline-block; white-space: nowrap;
}
.oc-cta__h > span:nth-child(2) { white-space: nowrap; }
.oc-cta__sub { font-size: 16px; line-height: 1.85; color: var(--ink); margin: 0; max-width: 520px; }
.oc-cta__sub strong { font-family: var(--display); font-style: italic; font-size: 2em; }

.oc-cta__r      { display: flex; flex-direction: column; gap: 16px; }
.oc-cta__count  { border: 2px solid var(--ink); padding: 24px; display: flex; flex-direction: column; gap: 12px; }
.oc-cta__count-row { display: flex; justify-content: space-between; align-items: baseline; padding: 8px 0; border-bottom: 1px dashed var(--line-soft); }
.oc-cta__count-row:last-child { border-bottom: 0; }
.oc-cta__count-k { font-family: var(--mono); font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-mute); }
.oc-cta__count-v { font-family: var(--display); font-size: clamp(32px, calc(3.58vw + 4.5px), 56px); line-height: 1; letter-spacing: 0.04em; }
.oc-cta__bib {
  background: var(--ink); color: var(--acc);
  font-family: var(--display); font-size: clamp(120px, calc(11.8vw + 29px), 240px); line-height: 0.85;
  text-align: center; padding: 32px 16px 16px; letter-spacing: 0.04em;
  border: 2px solid var(--ink);
}

/* ============================================================
   GALLERY (SOCIAL)
   ============================================================ */
.oc-social { padding: 80px 56px; border-top: 1.5px solid var(--ink); background: var(--bg-2); }
.oc-social__head {
  display: grid; grid-template-columns: auto 1fr auto auto; align-items: center;
  gap: 16px; margin-bottom: 32px;
}
.oc-social__row  { display: grid; grid-template-columns: repeat(6, 1fr); gap: 8px; }

/* ============================================================
   FOOTER
   ============================================================ */
.oc-footer { padding: 80px 56px 24px; background: var(--ink); color: #fff; border-top: 1.5px solid var(--ink); }
.oc-footer__big {
  display: flex; justify-content: center; align-items: center;
  margin-bottom: 56px; padding-bottom: 56px; border-bottom: 1px solid #2a2a2a;
}
.oc-footer__big-img { display: block; width: 100%; max-width: 1100px; height: auto; }
.oc-footer__cols {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px;
  padding-bottom: 32px; border-bottom: 1px solid #2a2a2a;
}
.oc-footer__cols h4 {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.16em;
  text-transform: uppercase; margin: 0 0 12px; color: var(--acc); font-weight: 700;
}
.oc-footer__cols p  { font-size: 14px; line-height: 1.7; margin: 0; color: #d8d8d8; }
.oc-footer__cols a  { color: #fff; text-decoration: none; font-family: var(--display); font-style: italic; font-size: 18px; letter-spacing: 0.02em; }
.oc-footer__cols a:hover { color: var(--acc); }
.oc-footer__bot {
  display: flex; justify-content: space-between; align-items: center; padding-top: 24px;
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.12em; color: #767676;
  text-transform: uppercase;
}

/* ============================================================
   SP RESPONSIVE  ≤ 768px
   ============================================================ */
@media (max-width: 768px) {

  body { padding-bottom: 68px; }
  html { scroll-padding-top: 56px; }

  /* ── HEADER ─────────────────────────────────────────────── */
.oc-header__main  { padding: 10px 16px; }
  .oc-header__logo-img { height: 32px; }
  .oc-header__nav   { display: none; }
  .oc-header__cta   {
    padding: 0 10px; font-size: 10px; letter-spacing: 0.12em;
    background: var(--acc); border: 1.25px solid var(--ink);
    height: 36px;
  }
  .oc-header__menu {
    display: flex; flex-direction: column; justify-content: center; align-items: center;
    gap: 4px; width: 36px; height: 36px;
    background: var(--ink); border: 1.25px solid var(--ink); cursor: pointer;
  }
  .oc-header__menu span { display: block; width: 16px; height: 1.5px; background: #fff; }
  .oc-header__band-track { font-size: 9.5px; letter-spacing: 0.18em; animation-duration: 40s; }

  /* ── CHAIN ──────────────────────────────────────────────── */
  .oc-chain--hero-1 { width: 120vw; right: -30vw; bottom: auto; top: 40%; opacity: 0.35; }

  /* ── HERO ───────────────────────────────────────────────── */
  .oc-hero__topline {
    display: grid; grid-template-columns: auto 1fr;
    gap: 6px 12px; padding: 14px 20px;
    font-size: 9.5px; letter-spacing: 0.12em;
  }
  .oc-hero__topline span:nth-child(2) { text-align: right; }
  .oc-hero__topline span:nth-child(3) {
    grid-column: 1 / -1; display: flex; justify-content: space-between;
    padding-top: 6px; border-top: 1px dashed var(--line-soft);
  }

  .oc-hero__main {
    display: flex; flex-direction: column;
    border-bottom: 1.5px solid var(--ink);
  }
  .oc-hero__l-top {
    order: 1;
    padding: 28px 20px 0;
    border-right: none;
    background:
      linear-gradient(to right, rgba(10,10,10,0.04) 1px, transparent 1px) 0 0 / 32px 100%,
      #fff;
  }
  .oc-hero__r {
    order: 2;
    grid-column: unset; grid-row: unset;
    padding: 8px 20px 28px;
    gap: 0;
  }
  .oc-hero__l-btm {
    order: 3;
    padding: 0 20px 28px;
    border-right: none;
    border-top: 1.25px solid var(--ink);
  }

  .oc-hero__sup { margin-bottom: 18px; gap: 10px; }
  .oc-tape { font-size: 9.5px; letter-spacing: 0.16em; }
  .oc-tape__inner { padding: 6px 10px; }
  .oc-tape::before, .oc-tape::after { width: 8px; }

  .oc-hero__h {
    font-size: clamp(48px, 22vw, 88px); line-height: 0.84; margin-bottom: 20px;
  }
  .oc-hero__h-row--big { font-size: clamp(56px, 25vw, 108px); }
  .oc-hero__h-row--mid { font-size: clamp(28px, 11vw, 46px); padding-left: 24px; }
  .oc-hero__h-row--accent .oc-q { padding: 0 12px; }

  .oc-hero__deck {
    padding: 18px 16px; margin-bottom: 0;
    border: 1.5px solid var(--ink);
  }
  .oc-hero__deck::before { top: -8px; left: 12px; font-size: 9px; padding: 2px 6px; }
  .oc-hero__deck p { font-size: 13px; line-height: 1.85; }
  .oc-hero__deck p::before { display: none; }

  .oc-hero__photo-wrap { margin: 8px 0 28px; }
  .oc-hero__photo-wrap .oc-img { max-width: none; }
  .oc-hero__photo-tag  { top: -10px; left: 12px; }

  .oc-hero__stamp {
    position: absolute; right: -8px; bottom: -28px;
    width: 96px; height: 96px;
  }
  .oc-hero__stamp-ring::before { inset: 8px; }
  .oc-hero__stamp-core { width: 56px; height: 56px; }
  .oc-hero__stamp-num { font-size: 22px; }
  .oc-hero__stamp-sub { font-size: 7px; }

  .oc-hero__cta { flex-direction: column; gap: 10px; margin-bottom: 28px; }
  .oc-cbtn { display: flex; width: 100%; min-height: 48px; font-size: 11px; }
  .oc-cbtn__l { padding: 14px 14px; }
  .oc-cbtn__r { padding: 14px 14px; flex: 1; justify-content: center; }
  .oc-cbtn--big .oc-cbtn__l,
  .oc-cbtn--big .oc-cbtn__r { padding: 16px 18px; }

  .oc-hero__kpi {
    grid-template-columns: 1fr 1fr;
    border-bottom: 0;
  }
  .oc-hero__kpi-cell {
    padding: 14px 12px; border-bottom: 1px solid var(--line-soft);
  }
  .oc-hero__kpi-cell:nth-child(2n) { border-right: 0; }
  .oc-hero__kpi-cell:last-child,
  .oc-hero__kpi-cell:nth-last-child(2):nth-child(odd) { border-bottom: 0; }
  .oc-hero__kpi-k { font-size: 9px; }
  .oc-hero__kpi-v { font-size: 22px; }

  .oc-hero__floor { padding: 14px 0; }
  .oc-hero__floor-track { font-size: 40px; gap: 16px; animation-duration: 22s; }

  /* ── INDEX ──────────────────────────────────────────────── */
  .oc-index { padding: 40px 20px; }
  .oc-index__head { font-size: 9.5px; letter-spacing: 0.14em; }
  .oc-index__row {
    display: grid;
    grid-template-columns: 36px 1fr 18px;
    grid-template-rows: auto auto;
    gap: 4px 12px; padding: 14px 0;
  }
  .oc-index__row-n   { grid-column: 1; grid-row: 1 / 3; align-self: center; font-size: 10px; }
  .oc-index__row-k   { grid-column: 2; grid-row: 1; font-size: 32px; }
  .oc-index__row-rule { display: none; }
  .oc-index__row-v   { grid-column: 2; grid-row: 2; font-size: 9.5px; display: block; margin-top: 0; }
  .oc-index__row-arr { grid-column: 3; grid-row: 1 / 3; align-self: center; font-size: 16px; }

  /* ── SECTION shared ─────────────────────────────────────── */
  .oc-section { padding: 56px 20px; }
  .oc-section__head {
    grid-template-columns: auto 1fr auto;
    gap: 10px; margin-bottom: 24px;
  }
  .oc-section__no  { font-size: 10px; }
  .oc-section__k   { font-size: 22px; }
  .oc-section__jp  { display: block; margin-top: 6px; font-size: 9.5px; }

  .oc-h2 { font-size: clamp(36px, 14vw, 40px); line-height: 0.92; margin-bottom: 20px; gap: 0 8px; }
  .oc-h2--sm { font-size: clamp(26px, 9vw, 36px); }
  .oc-h2-break { flex-basis: 100%; text-align: center; }
  .oc-h2--accent { padding: 0 10px; }

  /* ── CONCEPT ────────────────────────────────────────────── */
  .oc-concept { grid-template-columns: 1fr; gap: 24px; }
  .oc-concept__l .oc-h2 { font-size: 54px; }
  .oc-concept__cols { columns: 1; }
  .oc-concept__p { font-size: 13.5px; }
  .oc-concept__pull { padding: 22px 16px; gap: 8px; }
  .oc-concept__pull-l,
  .oc-concept__pull-r { font-size: 56px; }
  .oc-concept__pull-t { font-size: 20px; }
  .oc-concept__media-cell .oc-img { min-height: 0 !important; }

  /* ── CHAPTER ────────────────────────────────────────────── */
  .oc-chapter__rail { grid-template-columns: 1fr; }
  .oc-chap {
    padding: 20px; min-height: auto;
    border-right: 0; border-bottom: 1px solid var(--ink);
  }
  .oc-chap:last-child { border-bottom: 0; }
  .oc-chap__roman { font-size: 88px; }
  .oc-chap__h     { font-size: 22px; }
  .oc-chap p      { font-size: 12.5px; }

  /* ── SCHEDULE ───────────────────────────────────────────── */
  .oc-sched__head { display: none; }
  .oc-sched__row {
    grid-template-columns: auto 1fr auto;
    grid-template-rows: auto auto auto;
    gap: 4px 12px; padding: 16px;
  }
  .oc-sched__phase { grid-column: 1; grid-row: 1 / span 2; }
  .oc-sched__phase-big { font-size: 36px; }
  .oc-sched__status { grid-column: 3; grid-row: 1; align-self: start; justify-self: end; }
  .oc-sched__what  { grid-column: 2; grid-row: 1; font-size: 18px; }
  .oc-sched__date  { grid-column: 2 / span 2; grid-row: 2; font-size: 11px; }
  .oc-sched__note  { grid-column: 1 / -1; grid-row: 3; font-size: 11.5px; padding-top: 4px; border-top: 1px dashed var(--line-soft); margin-top: 4px; }

  .oc-final { grid-template-columns: 1fr; }
  .oc-final__l { padding: 24px 20px; border-right: none; border-bottom: 1px solid #2a2a2a; gap: 10px; }
  .oc-final__h { font-size: 56px; }
  .oc-final__h-jp { font-size: 28px; }
  .oc-final__r { padding: 20px; gap: 14px; }
  .oc-final__r .oc-img { min-height: 0 !important; }
  .oc-final__bib-n { font-size: 56px; }

  /* ── REQUIREMENTS ───────────────────────────────────────── */
  .oc-req { grid-template-columns: 1fr; gap: 20px; }
  .oc-req__plate { border: 1.25px solid var(--ink); }
  .oc-req__row {
    grid-template-columns: 32px 1fr; gap: 6px 12px; padding: 16px;
  }
  .oc-req__n { font-size: 11px; }
  .oc-req__k { font-size: 22px; }
  .oc-req__v { font-size: 16px; grid-column: 2; }

  /* ── BENEFIT ────────────────────────────────────────────── */
  .oc-benefit { grid-template-columns: 1fr; }
  .oc-benefit__card {
    padding: 20px; min-height: auto;
    border-right: 0;
    border-bottom: 1px solid var(--ink);
  }
  .oc-benefit__card:nth-child(2n) { border-right: 0; }
  .oc-benefit__card:nth-last-child(-n+2) { border-bottom: 1px solid var(--ink); }
  .oc-benefit__card:last-child { border-bottom: 0; }
  .oc-benefit__num { font-size: 64px; }
  .oc-benefit__card h3 { font-size: 22px; }
  .oc-benefit__card p  { font-size: 13px; }

  /* ── FLOW ───────────────────────────────────────────────── */
  .oc-flow { max-width: 100%; }
  .oc-flow__row {
    grid-template-columns: 64px 1fr 18px;
    padding: 18px 16px; gap: 12px;
  }
  .oc-flow__n { font-size: 40px; }
  .oc-flow__body h3 { font-size: 18px; }
  .oc-flow__body p  { font-size: 12.5px; }

  /* ── AGREEMENT ──────────────────────────────────────────── */
  .oc-agree { padding: 20px; border: 1.25px solid var(--ink); }
  .oc-agree__head { flex-direction: column; align-items: flex-start; gap: 12px; }
  .oc-agree__list li {
    grid-template-columns: 44px 1fr; gap: 10px;
    padding: 14px 0; font-size: 12.5px;
  }
  .oc-agree__n { font-size: 10px; }

  /* ── FAQ ────────────────────────────────────────────────── */
  .oc-faq__q {
    grid-template-columns: 38px 1fr 20px;
    gap: 10px; padding: 16px;
  }
  .oc-faq__qn { font-size: 10px; }
  .oc-faq__qt { font-size: 16px; }
  .oc-faq__chev { font-size: 22px; }
  .oc-faq__a {
    grid-template-columns: 38px 1fr; gap: 10px; padding: 12px 16px 16px;
  }
  .oc-faq__a span { font-size: 10px; }
  .oc-faq__a p    { font-size: 12.5px; }

  /* ── CTA ────────────────────────────────────────────────── */
  .oc-cta__strip-track { font-size: 28px; animation-duration: 24s; }
  .oc-cta__inner {
    grid-template-columns: 1fr;
    padding: 40px 20px; gap: 18px;
  }
  .oc-cta__h { font-size: clamp(44px, 17vw, 72px); line-height: 0.86; gap: 8px; }
  .oc-cta__h span:first-child { position: relative; z-index: 1; }
  .oc-cta__h--accent { padding: 0 12px; }
  .oc-cta__sub { font-size: 13.5px; max-width: 100%; }
  .oc-cta__count-v { font-size: 32px; }
  .oc-cta__bib { font-size: 120px; padding: 20px 12px 12px; }

  /* ── GALLERY ────────────────────────────────────────────── */
  .oc-social { padding: 40px 20px; }
  .oc-social__head { grid-template-columns: auto 1fr auto auto; gap: 10px; }
  .oc-social__row  { grid-template-columns: repeat(3, 1fr); gap: 6px; }

  /* ── FOOTER ─────────────────────────────────────────────── */
  .oc-footer { padding: 40px 20px 24px; }
  .oc-footer__big  { margin-bottom: 28px; padding-bottom: 28px; }
  .oc-footer__cols { grid-template-columns: 1fr 1fr; gap: 20px; }
  .oc-footer__cols p  { font-size: 12px; }
  .oc-footer__cols a  { font-size: 14px; }
  .oc-footer__bot  { flex-direction: column; gap: 6px; font-size: 9.5px; }

  /* ── ENTRY BAR ──────────────────────────────────────────── */
  .oc-entrybar {
    display: grid; grid-template-columns: 1fr auto;
    position: fixed; bottom: 0; left: 0; right: 0; z-index: 200;
    padding: 10px 12px;
    background: rgba(255,255,255,0.95);
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
    border-top: 1.25px solid var(--ink);
  }
  .oc-entrybar__l {
    display: flex; flex-direction: column; gap: 1px;
    font-family: var(--mono); font-size: 9px; letter-spacing: 0.14em;
    text-transform: uppercase; padding: 4px 8px;
  }
  .oc-entrybar__l strong {
    font-family: var(--display); font-style: italic; font-size: 16px;
    letter-spacing: 0.02em; color: var(--acc-deep); font-weight: 400;
  }
  .oc-entrybar__btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 12px 16px; background: var(--acc); color: var(--ink);
    border: 1.5px solid var(--ink); text-decoration: none;
    font-family: var(--mono); font-size: 11px; font-weight: 700;
    letter-spacing: 0.16em; text-transform: uppercase;
    transition: background 0.15s, color 0.15s;
  }
  .oc-entrybar__btn span { color: var(--ink); transition: color 0.15s; }

}

@media (max-width: 768px) and (hover: hover) {
  .oc-entrybar__btn:hover { background: var(--ink); color: var(--acc); }
  .oc-entrybar__btn:hover span { color: var(--acc); }
}