:root {
  --bg: #07080b;
  --panel: #101217;
  --panel-soft: #151820;
  --line: rgba(224, 177, 89, .25);
  --gold: #d9a441;
  --gold-bright: #f2ce7b;
  --text: #f2eee5;
  --muted: #aaa79f;
  --blue: #79c9e8;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text);
  background: var(--bg);
  font-family: "Malgun Gothic", "Apple SD Gothic Neo", sans-serif;
  font-size: 16px;
  line-height: 1.75;
}
a { color: inherit; text-decoration: none; }
button { font: inherit; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  padding: 0 max(24px, calc((100vw - var(--max)) / 2));
  background: rgba(7, 8, 11, .92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}
.brand { display: flex; align-items: center; gap: 12px; font-weight: 800; letter-spacing: .08em; }
.brand-script { color: var(--gold-bright); font-family: "Brush Script MT", "Segoe Script", "Lucida Handwriting", cursive; font-size: 1.55rem; font-weight: 600; letter-spacing: .02em; line-height: 1; text-shadow: 0 0 14px rgba(217,164,65,.18); }
.brand-mark {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  color: #0b0c0f;
  background: linear-gradient(135deg, var(--gold-bright), #9b6620);
  border-radius: 50%;
  font-family: Georgia, serif;
  font-size: 1.25rem;
}
.main-nav { display: flex; gap: 30px; color: #d8d5cd; font-size: .95rem; }
.main-nav a { padding: 24px 0; border-bottom: 2px solid transparent; }
.main-nav a:hover { color: var(--gold-bright); border-color: var(--gold); }
.main-nav a.is-current { color: var(--gold-bright); border-color: var(--gold); }
.menu-button { display: none; color: var(--text); background: transparent; border: 1px solid var(--line); padding: 7px 12px; }

.hero {
  position: relative;
  display: grid;
  grid-template-columns: 1.35fr .65fr;
  align-items: center;
  min-height: 690px;
  padding: 100px max(24px, calc((100vw - var(--max)) / 2));
  overflow: hidden;
  background:
    radial-gradient(circle at 78% 42%, rgba(217, 164, 65, .16), transparent 28%),
    linear-gradient(135deg, #090a0d 0%, #11141a 50%, #08090c 100%);
}
.hero.hero-image {
  min-height: calc(100vh - 72px);
  grid-template-columns: 1fr;
  background-image: url("assets/renaissance-hero.png");
  background-size: cover;
  background-position: center;
}
.hero-shade {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(5,6,9,.92) 0%, rgba(5,6,9,.68) 34%, rgba(5,6,9,.12) 68%, rgba(5,6,9,.16) 100%), linear-gradient(0deg, rgba(5,6,9,.8), transparent 45%);
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: .18;
  background-image: linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, black, transparent 85%);
}
.hero-content, .hero-emblem { position: relative; z-index: 1; }
.hero-image .hero-content { transform: translateX(-40px); }
.eyebrow, .section-kicker { margin: 0 0 12px; color: var(--gold); font-size: .82rem; font-weight: 800; letter-spacing: .22em; }
.hero h1 { max-width: 640px; margin: 0; font-family: Georgia, "Batang", serif; font-size: clamp(2.5rem, 4.4vw, 4.7rem); line-height: 1.08; letter-spacing: -.04em; text-shadow: 0 3px 24px rgba(0,0,0,.8); }
.hero-summary { max-width: 600px; margin: 30px 0 0; color: #c6c2ba; font-size: 1.15rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 38px; }
.hero-notice { margin-top: 22px; color: #898780; font-size: .9rem; }
.hero-open-date { position: absolute; z-index: 2; left: max(24px, calc((100vw - var(--max)) / 2 - 40px)); bottom: 22%; margin: 0; color: #d6d1c7; font-size: 1.8rem; letter-spacing: .04em; text-shadow: 0 2px 16px rgba(0,0,0,.9); }
.hero-open-date span { margin-right: 10px; color: var(--gold); font-family: Georgia,serif; font-weight: 800; letter-spacing: .18em; }
.button { display: inline-flex; min-height: 48px; align-items: center; justify-content: center; padding: 0 24px; border: 1px solid var(--line); font-weight: 700; transition: .2s ease; }
.button:hover { transform: translateY(-2px); border-color: var(--gold); }
.button-primary { color: #15120b; background: linear-gradient(135deg, var(--gold-bright), var(--gold)); border-color: var(--gold); }
.button-ghost { background: rgba(255,255,255,.03); }
.hero-emblem { justify-self: end; text-align: center; color: var(--gold); }
.emblem-ring { display: grid; place-items: center; width: 260px; height: 260px; border: 1px solid rgba(242,206,123,.35); border-radius: 50%; box-shadow: 0 0 80px rgba(217,164,65,.12), inset 0 0 40px rgba(217,164,65,.06); }
.emblem-ring::before { content: ""; position: absolute; width: 218px; height: 218px; border: 1px dashed rgba(242,206,123,.22); border-radius: 50%; }
.emblem-ring span { font-family: Georgia, serif; font-size: 8rem; line-height: 1; text-shadow: 0 0 30px rgba(217,164,65,.35); }
.hero-emblem p { margin-top: 18px; font-family: Georgia, serif; font-size: .8rem; letter-spacing: .42em; }

.section { padding: 100px max(24px, calc((100vw - var(--max)) / 2)); scroll-margin-top: 70px; }
.page-hero {
  position: relative;
  height: 365px;
  min-height: 365px;
  padding: 115px max(24px, calc((100vw - var(--max)) / 2)) 75px;
  background-image: linear-gradient(90deg, rgba(5,6,9,.96) 0%, rgba(5,6,9,.86) 34%, rgba(5,6,9,.28) 66%, rgba(5,6,9,.18) 100%), url("assets/classes-banner.png");
  background-size: auto 145%;
  background-position: right center;
  background-repeat: no-repeat;
  background-color: #08090c;
  border-bottom: 1px solid var(--line);
}
.page-hero h1, .page-hero p { position: relative; z-index: 1; }
.page-hero h1 { margin: 0; font-family: Georgia,"Batang",serif; font-size: clamp(2.6rem,5vw,4.6rem); line-height: 1.1; text-shadow: 0 3px 20px rgba(0,0,0,.85); }
.page-hero > p:last-child { max-width: 680px; margin: 20px 0 0; color: #c6c2ba; text-shadow: 0 2px 12px rgba(0,0,0,.9); }
.section-dark { background: #090a0d; }
.section-panel { background: linear-gradient(180deg, #111319, #0d0f13); }
.section-heading { margin-bottom: 42px; }
.section-heading h2, .download-section h2 { margin: 0; font-family: Georgia, "Batang", serif; font-size: clamp(2rem, 4vw, 3.3rem); line-height: 1.15; }
.heading-row { display: flex; align-items: end; justify-content: space-between; gap: 30px; }
.heading-row > p { max-width: 460px; margin: 0; color: var(--muted); }

.notice-list { border-top: 1px solid var(--line); }
.notice-item { display: grid; grid-template-columns: 120px 1fr; gap: 28px; padding: 25px 0; border-bottom: 1px solid rgba(255,255,255,.08); }
.notice-item > span { color: var(--gold); font-weight: 700; }
.notice-item h3 { margin: 0 0 4px; font-size: 1.08rem; }
.notice-item p { margin: 0; color: var(--muted); }

.server-info { display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.server-info > div { min-height: 120px; padding: 25px 28px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.server-info dt { color: var(--gold); font-size: .86rem; font-weight: 800; letter-spacing: .06em; }
.server-info dd { margin: 10px 0 0; font-size: 1.08rem; }
.home-links { display: grid; grid-template-columns: repeat(3,1fr); border: 1px solid var(--line); }
.home-links a { min-height: 210px; padding: 28px; border-right: 1px solid var(--line); background: var(--panel); }
.home-links a:last-child { border-right: 0; }
.home-links span { display: block; color: var(--gold); font-family: Georgia,serif; font-size: 1.8rem; }
.home-links strong { display: block; margin-top: 42px; font-size: 1.2rem; }
.home-links p { margin: 6px 0 0; color: var(--muted); }
.stat-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.stat-card { min-height: 220px; padding: 30px; background: var(--panel); }
.stat-card span { color: var(--gold); font-family: Georgia,serif; font-size: 2rem; }
.stat-card h2 { margin: 30px 0 8px; }
.stat-card p { margin: 0; color: var(--muted); }
.stat-tabs { display: flex; gap: 8px; overflow-x: auto; padding-bottom: 12px; }
.stat-tabs button { min-width: 140px; padding: 14px 20px; color: #c8c4bc; background: #111319; border: 1px solid rgba(255,255,255,.1); cursor: pointer; }
.stat-tabs button:hover, .stat-tabs button.is-active { color: #0d0c09; background: var(--gold); border-color: var(--gold); }
.stat-table-panel { display: none; margin-top: 18px; padding: 34px; background: var(--panel); border: 1px solid var(--line); }
.stat-table-panel.is-active { display: block; }
.stat-table-panel h2 { margin: 0 0 24px; font-size: 1.7rem; }
.stat-table-panel h2 span { margin-left: 8px; color: var(--gold); font-family: Georgia,serif; }
.stat-table-scroll { overflow-x: auto; }
.stat-table { width: 100%; min-width: 620px; border-collapse: collapse; text-align: center; }
.stat-table th { padding: 13px 12px; color: #17130b; background: var(--gold); white-space: nowrap; }
.stat-table td { padding: 11px 12px; border-bottom: 1px solid rgba(255,255,255,.08); white-space: nowrap; }
.stat-table tbody tr:nth-child(even) { background: rgba(255,255,255,.025); }
.stat-table tbody tr:hover { background: rgba(217,164,65,.08); }
.download-page { display: flex; align-items: center; justify-content: space-between; gap: 50px; min-height: 300px; padding: 45px; border: 1px solid var(--line); background: var(--panel); }
.download-page h2 { margin: 0; font-size: 1.7rem; }
.download-page p { color: var(--muted); }

.class-tabs { display: flex; gap: 8px; overflow-x: auto; padding-bottom: 12px; }
.class-tabs button { min-width: 120px; padding: 14px 20px; color: #c8c4bc; background: #111319; border: 1px solid rgba(255,255,255,.1); cursor: pointer; }
.class-tabs button:hover, .class-tabs button.is-active { color: #0d0c09; background: var(--gold); border-color: var(--gold); }
.class-panel { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; height: 360px; min-height: 360px; margin-top: 18px; padding: 48px; background: #08090c; border: 1px solid var(--line); }
.class-role { color: var(--blue); font-weight: 800; }
.class-copy h3 { margin: 8px 0 18px; font-family: Georgia, "Batang", serif; font-size: 3rem; }
.class-copy > p:not(.class-role) { color: #c1beb7; }
.class-copy ul { display: flex; flex-wrap: wrap; gap: 9px; padding: 0; margin: 25px 0 0; list-style: none; }
.class-copy li { padding: 6px 12px; color: var(--gold-bright); background: rgba(217,164,65,.08); border: 1px solid var(--line); font-size: .9rem; }
.class-art { position: relative; align-self: stretch; min-width: 0; overflow: hidden; background: #08090c; }
.class-art::before { content: ""; position: absolute; z-index: 1; inset: 0 auto 0 0; width: 18%; background: linear-gradient(90deg, #08090c, transparent); pointer-events: none; }
.class-art img { display: block; width: 100%; height: 100%; object-fit: contain; object-position: right center; }
.skill-card { align-self: stretch; padding: 30px; background: radial-gradient(circle at 85% 10%, rgba(217,164,65,.18), transparent 38%), #0b0d11; border-left: 3px solid var(--gold); }
.skill-card > p:first-child { margin: 0; color: var(--gold); font-size: .8rem; font-weight: 800; letter-spacing: .12em; }
.skill-card h4 { margin: 8px 0 18px; font-size: 2rem; }
.skill-card > p:last-child { color: #c1beb7; }
.skill-meta { display: flex; flex-wrap: wrap; gap: 9px; }
.skill-meta span { padding: 6px 10px; background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.1); font-size: .85rem; }

.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.feature-grid article { min-height: 260px; padding: 28px; background: var(--panel); }
.feature-grid span { color: var(--gold); font-family: Georgia, serif; font-size: 2.3rem; }
.feature-grid h3 { margin: 50px 0 10px; font-size: 1.2rem; }
.feature-grid p { margin: 0; color: var(--muted); }

.download-section { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 60px; background: radial-gradient(circle at 15% 50%, rgba(121,201,232,.09), transparent 25%), #090b0f; border-top: 1px solid rgba(121,201,232,.2); border-bottom: 1px solid rgba(121,201,232,.2); }
.download-copy p:last-child { max-width: 700px; color: var(--muted); }
.download-actions { display: flex; gap: 10px; }
.site-footer { padding: 28px max(24px, calc((100vw - var(--max)) / 2)); background: #050609; text-align: center; }
.site-footer p { margin: 4px 0; color: #e5e5e5; font-size: .9rem; line-height: 1.5; }
.site-footer .copyright { color: #fff; font-size: .82rem; letter-spacing: .04em; }
.copyright { grid-column: 1 / -1; padding-top: 25px; border-top: 1px solid rgba(255,255,255,.08); font-size: .82rem; }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; min-height: 620px; }
  .hero-emblem { display: none; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .class-panel { grid-template-columns: 1fr; }
  .download-section { grid-template-columns: 1fr; }
  .download-actions { justify-self: start; }
  .stat-grid { grid-template-columns: repeat(2,1fr); }
}

@media (max-width: 700px) {
  .site-header { min-height: 62px; }
  .menu-button { display: block; }
  .main-nav { position: absolute; top: 62px; left: 0; right: 0; display: none; flex-direction: column; gap: 0; padding: 8px 24px 18px; background: #090a0d; border-bottom: 1px solid var(--line); }
  .main-nav.is-open { display: flex; }
  .main-nav a { padding: 12px 0; }
  .hero { min-height: 590px; padding-top: 80px; padding-bottom: 80px; }
  .hero.hero-image { min-height: calc(100vh - 62px); background-position: 62% center; }
  .hero-shade { background: linear-gradient(90deg,rgba(5,6,9,.88),rgba(5,6,9,.32)),linear-gradient(0deg,rgba(5,6,9,.88),transparent 55%); }
  .hero h1 { font-size: clamp(2.4rem, 12vw, 3.8rem); }
  .hero-image .hero-content { transform: none; }
  .hero-open-date { left: 24px; bottom: 16%; font-size: 1.35rem; }
  .page-hero { height: auto; min-height: 365px; background-size: auto 125%; background-position: 64% center; }
  .section { padding-top: 72px; padding-bottom: 72px; }
  .heading-row { align-items: start; flex-direction: column; }
  .notice-item { grid-template-columns: 1fr; gap: 5px; }
  .server-info { grid-template-columns: 1fr; }
  .home-links, .stat-grid { grid-template-columns: 1fr; }
  .home-links a { border-right: 0; border-bottom: 1px solid var(--line); }
  .home-links a:last-child { border-bottom: 0; }
  .class-panel { height: auto; min-height: 330px; padding: 28px 22px; }
  .class-art { height: 260px; }
  .class-copy h3 { font-size: 2.4rem; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-grid article { min-height: 220px; }
  .download-actions { width: 100%; flex-direction: column; }
  .download-page { align-items: stretch; flex-direction: column; padding: 28px 22px; }
  .stat-table-panel { padding: 22px 14px; }
}

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

/* Promotion pages */
.promotion-admin-caption { white-space: pre-wrap; }
.promotion-admin-tools select { min-height: 44px; padding: 8px 14px; color: var(--text); background: var(--panel); border: 1px solid var(--line); }
.promotion-admin-tools label { display: block; margin-bottom: 8px; }
#promotion-copy-caption { margin-top: 12px; width: 100%; }
.promotion-hero { min-height: 300px; height: 300px; padding-top: 88px; }
.promotion-section { padding-top: 56px; padding-bottom: 72px; }
.promotion-intro { display: flex; align-items: center; justify-content: space-between; gap: 24px; margin-bottom: 30px; }
.promotion-intro .section-kicker { margin-bottom: 6px; }
.promotion-intro h2 { margin: 0; font-size: clamp(1.45rem, 3vw, 2.05rem); line-height: 1.4; }
.promotion-intro h2 strong { color: var(--gold-bright); white-space: nowrap; }
.promotion-intro > div > p:last-child { margin: 10px 0 0; color: var(--muted); font-size: .92rem; }
.promotion-service-state { flex-shrink: 0; padding: 7px 14px; border: 1px solid var(--line); color: var(--gold-bright); background: rgba(217, 164, 65, .06); font-size: .86rem; }
.promotion-layout { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); gap: 24px; align-items: start; }
.promotion-card { min-width: 0; padding: 30px; border: 1px solid var(--line); background: linear-gradient(145deg, #14171e, #0d0f14); }
.promotion-card-heading { display: flex; align-items: start; gap: 15px; margin-bottom: 24px; }
.promotion-step-number { color: var(--gold); font-family: Georgia, serif; font-size: 1.7rem; line-height: 1.4; }
.promotion-card-heading h2 { margin: 0; font-size: 1.22rem; }
.promotion-card-heading p { margin: 4px 0 0; color: var(--muted); font-size: .87rem; }
.promotion-video-frame { width: min(100%, 320px); margin: 0 auto 24px; background: #050609; }
.promotion-video-frame video { display: block; width: 100%; aspect-ratio: 9 / 16; object-fit: contain; background: #050609; }
.promotion-download { width: 100%; text-align: center; }
.promotion-video-card > .promotion-small { text-align: center; }
.promotion-small { margin: 10px 0 0; color: var(--muted); font-size: .8rem; line-height: 1.65; overflow-wrap: anywhere; }
.promotion-help { margin-top: 22px; padding-top: 18px; border-top: 1px solid rgba(255,255,255,.08); }
.promotion-help summary { color: #d2c9b8; font-size: .88rem; cursor: pointer; }
.promotion-help p { margin-bottom: 0; color: var(--muted); font-size: .82rem; }
.promotion-side { display: grid; gap: 24px; }
.promotion-card fieldset { min-width: 0; margin: 0; padding: 0; border: 0; }
.promotion-card label { display: block; margin: 16px 0 7px; color: #d7d2c8; font-size: .87rem; font-weight: 700; }
.promotion-card input, .promotion-card select, .promotion-card textarea { width: 100%; min-width: 0; min-height: 48px; padding: 11px 13px; border: 1px solid rgba(224,177,89,.28); border-radius: 0; background: #090b0f; color: var(--text); font: inherit; font-size: 16px; line-height: 1.45; }
.promotion-card input::placeholder, .promotion-card textarea::placeholder { color: #777c85; font-size: .86rem; }
.promotion-card input:focus, .promotion-card select:focus, .promotion-card textarea:focus { outline: 2px solid var(--gold); outline-offset: 2px; }
.promotion-card .button { cursor: pointer; }
.promotion-card form .button { width: 100%; margin-top: 20px; }
.promotion-card :disabled { cursor: not-allowed; opacity: .5; }
.promotion-card .button:disabled:hover, .promotion-history .button:disabled:hover { transform: none; }
.promotion-form-state { margin: 0; padding: 12px 14px; border-left: 2px solid var(--gold); background: rgba(217,164,65,.06); color: #d2c9b8; font-size: .86rem; }
.promotion-character-label { margin-top: 24px !important; }
.promotion-message { margin: 16px 0 0; color: var(--muted); font-size: .86rem; overflow-wrap: anywhere; }
.promotion-message.is-error { color: #f5aaa1; }
.promotion-message.is-success { color: #a6d9b9; }
.promotion-instructions { margin: 0 0 24px; padding-left: 22px; color: #c9c5bd; font-size: .9rem; }
.promotion-instructions li + li { margin-top: 9px; }
.promotion-instructions strong { color: var(--gold-bright); }
.promotion-rules { margin-top: 30px; padding: 25px 30px; border: 1px solid rgba(224,177,89,.16); background: rgba(217,164,65,.025); }
.promotion-rules h2 { margin: 0 0 13px; color: var(--gold-bright); font-size: 1rem; }
.promotion-rules ul { margin: 0; padding-left: 20px; color: #aaa79f; font-size: .86rem; }
.promotion-rules li + li { margin-top: 7px; }
.promotion-rules strong { color: #d8d1c4; }
.promotion-history { margin-top: 52px; }
.promotion-history-heading { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 24px; }
.promotion-history-heading .section-kicker { margin-bottom: 5px; }
.promotion-history-heading h2 { margin: 0; font-size: 1.5rem; }
.promotion-history .button { cursor: pointer; }
.promotion-history .button:disabled { opacity: .45; cursor: not-allowed; }
.promotion-empty { margin: 0; padding: 35px 24px; border: 1px solid var(--line); background: var(--panel); color: var(--muted); text-align: center; font-size: .9rem; }
.promotion-history-item { padding: 22px 24px; border: 1px solid var(--line); background: var(--panel); }
.promotion-history-item + .promotion-history-item { margin-top: 12px; }
.promotion-history-item header { display: flex; align-items: center; justify-content: space-between; gap: 15px; }
.promotion-history-item time { color: var(--muted); font-size: .85rem; }
.promotion-history-item a { display: inline-block; max-width: 100%; margin-top: 10px; color: var(--blue); font-size: .86rem; overflow-wrap: anywhere; text-decoration: underline; text-underline-offset: 3px; }
.promotion-history-item p { margin: 8px 0 0; color: #c5c0b6; font-size: .85rem; overflow-wrap: anywhere; }
.promotion-status { display: inline-block; padding: 3px 9px; color: var(--gold-bright); border: 1px solid var(--line); font-size: .8rem; white-space: nowrap; }
.promotion-status[data-status="delivered"] { border-color: rgba(166,217,185,.35); color: #a6d9b9; }
.promotion-status[data-status="rejected"] { border-color: rgba(245,170,161,.35); color: #f5aaa1; }
.promotion-authenticated { margin: 0; color: #a6d9b9; font-size: .92rem; }
.promotion-text-button { margin: 7px 0 0; padding: 0; border: 0; color: var(--muted); background: transparent; font-size: .82rem; cursor: pointer; text-decoration: underline; }
.promotion-proof { margin-top: 22px; padding-top: 5px; border-top: 1px solid var(--line); }
.promotion-proof-row { display: flex; gap: 8px; }
.promotion-proof-row input { min-width: 0; }
.promotion-proof-row .button { min-width: 72px; padding: 0 14px; }
.promotion-video-error { margin: 0; padding: 14px; color: #f5aaa1; font-size: .85rem; }
.promotion-noscript { margin: 30px auto; max-width: 700px; padding: 24px; }
[hidden] { display: none !important; }

@media (min-width: 701px) and (max-width: 1080px) {
  .site-header { padding-right: 24px; padding-left: 24px; gap: 18px; }
  .main-nav { gap: 18px; font-size: .87rem; }
}
@media (max-width: 900px) {
  .promotion-card { padding: 24px; }
  .site-header { min-height: 62px; }
  .menu-button { display: block; }
  .main-nav { position: absolute; top: 62px; left: 0; right: 0; display: none; flex-direction: column; gap: 0; padding: 8px 24px 18px; background: #090a0d; border-bottom: 1px solid var(--line); }
  .main-nav.is-open { display: flex; }
  .main-nav a { padding: 12px 0; }
  .promotion-layout { grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 18px; }
  .promotion-side { gap: 18px; }
}
@media (max-width: 700px) {
  .promotion-hero { height: auto; min-height: 265px; padding-top: 65px; padding-bottom: 55px; }
  .promotion-hero h1 { font-size: clamp(2rem, 8vw, 3rem); }
  .promotion-hero > p:last-child { font-size: .94rem; }
  .promotion-section { padding-top: 34px; padding-bottom: 48px; }
  .promotion-intro { flex-direction: column; align-items: start; gap: 15px; margin-bottom: 24px; }
  .promotion-intro > div > p:last-child { font-size: .82rem; }
  .promotion-layout { grid-template-columns: 1fr; gap: 20px; }
  .promotion-card { padding: 24px 20px; }
  .promotion-side { gap: 20px; }
  .promotion-video-frame { width: min(100%, 300px); }
  .promotion-rules { padding: 23px 20px; }
  .promotion-history { margin-top: 38px; }
  .promotion-history-heading h2 { font-size: 1.25rem; }
  .promotion-history-heading .button { padding: 0 15px; min-height: 42px; font-size: .86rem; }
  .promotion-history-item { padding: 20px; }
  .promotion-history-item header { align-items: start; }
}