/* =========================================================
   FRONT of FRONTIER — Official Site
   トーン: 夕陽×鋼（ヴェスパーの宵）・ダーク固定 1 テーマ
   ========================================================= */

:root {
  --bg: #0f1113;
  --panel: #171b1e;
  --panel-2: #1d2226;
  --ink: #eae7e1;
  --muted: #9ca1a4;
  --line: #262b2f;
  --amber: #e08a3c;      /* ヴェスパーの夕陽 */
  --amber-deep: #b96a22;
  --steel: #7a9aae;      /* 鋼・企業 */
  --ember-grad: linear-gradient(180deg, #2a1c10 0%, #171b1e 70%);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Noto Sans JP", "Hiragino Sans", "Yu Gothic", sans-serif;
  line-height: 1.85;
  font-size: 15px;
}

.en {
  font-family: "Chakra Petch", "Noto Sans JP", sans-serif;
  letter-spacing: .06em;
}

a { color: var(--amber); text-decoration: none; }
a:hover { text-decoration: underline; }
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}

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

/* ---- header / nav ---- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(15, 17, 19, .92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}
.site-header .inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}
.brand {
  font-family: "Chakra Petch", sans-serif;
  font-weight: 700;
  font-size: 15px;
  letter-spacing: .1em;
  color: var(--ink);
  white-space: nowrap;
}
.brand:hover { text-decoration: none; color: var(--amber); }
.site-nav { display: flex; gap: 18px; flex-wrap: wrap; }
.site-nav a {
  font-family: "Chakra Petch", sans-serif;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .12em;
  color: var(--muted);
}
.site-nav a:hover { color: var(--amber); text-decoration: none; }
.site-nav a[aria-current="page"] { color: var(--ink); border-bottom: 2px solid var(--amber); }

/* ---- hero (top) ---- */
.hero {
  position: relative;
  min-height: 66vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: var(--ember-grad);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
  padding: 60px 20px;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: .55;
}
.hero-body { position: relative; max-width: 760px; }
.hero-logo {
  font-family: "Chakra Petch", sans-serif;
  font-weight: 700;
  font-size: clamp(34px, 7vw, 64px);
  letter-spacing: .08em;
  line-height: 1.15;
  margin: 0 0 18px;
  text-wrap: balance;
}
.hero-logo img {
  width: min(380px, 70vw);
  height: auto;
  margin: 0 auto;
  filter: drop-shadow(0 4px 18px rgba(0, 0, 0, .55));
}
.hero-logo small {
  display: block;
  font-size: .32em;
  font-weight: 600;
  letter-spacing: .5em;
  color: var(--amber);
  margin-top: 10px;
}
.hero-copy {
  font-size: clamp(15px, 2.4vw, 19px);
  font-weight: 500;
  margin: 0 0 10px;
}
.hero-genre {
  color: var(--muted);
  font-size: 13px;
  letter-spacing: .18em;
  margin: 0;
}

/* ---- page hero (sub pages) ---- */
.page-hero {
  background: var(--ember-grad);
  border-bottom: 1px solid var(--line);
  padding: 56px 20px 40px;
}
.page-hero .inner { max-width: 1080px; margin: 0 auto; }
.page-hero h1 {
  font-family: "Chakra Petch", sans-serif;
  font-size: clamp(26px, 5vw, 40px);
  letter-spacing: .12em;
  margin: 0 0 6px;
}
.page-hero p { color: var(--muted); margin: 0; }

/* ---- layout ---- */
main.page { max-width: 1080px; margin: 0 auto; padding: 24px 20px 80px; }

section.block { margin: 56px 0; }
.block > h2 {
  font-family: "Chakra Petch", sans-serif;
  font-size: 22px;
  letter-spacing: .14em;
  margin: 0 0 6px;
  padding-left: 14px;
  border-left: 4px solid var(--amber);
}
.block > h2 .jp {
  display: block;
  font-family: "Noto Sans JP", sans-serif;
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--muted);
}
.block > p.lede { color: var(--muted); max-width: 40em; }

/* ---- cards ---- */
.cards { display: grid; gap: 18px; margin-top: 20px; }
.cards.c3 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.cards.c2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.card .thumb {
  aspect-ratio: 16 / 9;
  background: var(--panel-2);
  background-size: cover;
  background-position: center;
}
.card .body { padding: 16px 18px 18px; flex: 1; display: flex; flex-direction: column; gap: 6px; }
.card h3 {
  font-family: "Chakra Petch", sans-serif;
  font-size: 17px;
  letter-spacing: .1em;
  margin: 0;
}
.card h3 .jp { font-family: "Noto Sans JP", sans-serif; font-size: 13px; color: var(--amber); margin-left: 8px; }
.card p { margin: 0; color: var(--muted); font-size: 13.5px; }
.card .more { margin-top: auto; padding-top: 10px; font-size: 13px; font-weight: 600; }

/* ---- news ---- */
.news-list { list-style: none; margin: 16px 0 0; padding: 0; }
.news-list li {
  display: flex;
  gap: 18px;
  padding: 10px 4px;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
}
.news-list time {
  font-family: "Chakra Petch", monospace;
  color: var(--amber);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

/* ---- pillars (game page) ---- */
.pillar {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 24px 26px;
  margin: 22px 0;
}
.pillar h3 {
  font-size: 19px;
  margin: 0 0 4px;
}
.pillar h3 .num {
  font-family: "Chakra Petch", sans-serif;
  color: var(--amber);
  margin-right: 10px;
}
.pillar .tag {
  display: inline-block;
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--steel);
  border: 1px solid var(--steel);
  border-radius: 3px;
  padding: 0 8px;
  margin-bottom: 10px;
}
.pillar ul { margin: 8px 0 0; padding-left: 20px; }
.pillar li { margin: 6px 0; }

/* ---- creator hero / brand ---- */
.creator-hero {
  background-size: cover;
  background-position: center 30%;
  padding-top: 110px;
}
.brandlogo { margin: 18px 0 6px; }
.brandlogo img {
  width: min(300px, 76vw);
  height: auto;
  border-radius: 10px;
  border: 1px solid var(--line);
}

/* ---- team copy (CREATOR) ---- */
.team-copy {
  font-size: clamp(19px, 3vw, 26px);
  font-weight: 700;
  letter-spacing: .05em;
  margin: 18px 0 10px;
}

/* ---- manifest (GAME コンセプト3行) ---- */
.manifest { text-align: center; padding: 8px 0 0; }
.manifest p {
  font-size: clamp(16px, 2.6vw, 21px);
  font-weight: 700;
  margin: 14px 0;
  letter-spacing: .04em;
  text-wrap: balance;
}
.manifest p::before, .manifest p::after {
  content: "";
  display: inline-block;
  width: 28px;
  height: 1px;
  background: var(--amber);
  vertical-align: middle;
  margin: 0 14px;
  opacity: .6;
}
@media (max-width: 600px) {
  .manifest p::before, .manifest p::after { display: none; }
}

/* ---- figures ---- */
.figs { display: grid; gap: 14px; margin-top: 18px; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.figs figure { margin: 0; }
.figs img { border-radius: 6px; border: 1px solid var(--line); }
.figs figcaption { font-size: 12px; color: var(--muted); padding-top: 6px; }

.insignia-row { display: flex; gap: 40px; margin-top: 20px; flex-wrap: wrap; }
.insignia-row figure { margin: 0; text-align: center; }
.insignia-row img { width: 150px; border-radius: 8px; border: 1px solid var(--line); background: #d9d4ca; padding: 12px; }
.insignia-row figcaption { font-size: 12.5px; color: var(--muted); padding-top: 8px; }

/* ---- character ---- */
.char {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 22px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 22px;
  margin: 18px 0;
}
.char .portrait { aspect-ratio: 3 / 4; background: var(--panel-2); border-radius: 6px; background-size: cover; background-position: top center; }
.char h3 { margin: 0 0 2px; font-size: 18px; }
.char .en-name { color: var(--amber); font-size: 12px; letter-spacing: .16em; }
.char p { color: var(--muted); font-size: 13.5px; }
@media (max-width: 560px) { .char { grid-template-columns: 1fr; } }

/* ---- gallery ---- */
.shots { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px; margin-top: 20px; }
.shots figure { margin: 0; }
.shots .ph {
  aspect-ratio: 16 / 9;
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 6px;
  background-size: cover;
  background-position: center;
}
.shots figcaption { font-size: 12px; color: var(--muted); padding-top: 6px; }

/* ---- footer ---- */
.site-footer {
  border-top: 1px solid var(--line);
  background: var(--panel);
  padding: 36px 20px 44px;
}
.site-footer .inner {
  max-width: 1080px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 13px;
  color: var(--muted);
}
.site-footer .team {
  font-family: "Chakra Petch", sans-serif;
  letter-spacing: .14em;
  color: var(--ink);
  font-size: 14px;
}
.site-footer .team-logo img {
  width: 170px;
  height: auto;
  opacity: .88;
}
.site-footer .team-logo:hover img { opacity: 1; }

/* ---- lightbox ---- */
.lb-zoomable { cursor: zoom-in; }
.lb-overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(8, 9, 10, .92);
  cursor: zoom-out;
  padding: 24px;
}
.lb-overlay.is-open { display: flex; }
.lb-figure { margin: 0; max-width: 100%; text-align: center; }
.lb-img {
  max-width: min(1400px, 94vw);
  max-height: 86vh;
  width: auto;
  height: auto;
  margin: 0 auto;
  border-radius: 6px;
  box-shadow: 0 12px 48px rgba(0, 0, 0, .6);
}
.lb-caption { color: var(--muted); font-size: 13px; padding-top: 10px; }
.lb-close {
  position: fixed;
  top: 14px;
  right: 18px;
  background: none;
  border: none;
  color: var(--ink);
  font-size: 34px;
  line-height: 1;
  cursor: pointer;
  padding: 6px 10px;
}

/* ---- misc ---- */
.placeholder-note {
  border: 1px dashed var(--steel);
  border-radius: 6px;
  color: var(--steel);
  font-size: 12.5px;
  padding: 10px 14px;
  margin: 14px 0;
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}