/* ============================================================
   CYPHER BRAWL — R:DRESSCODE tournament site
   設計: 黒×金×深紅 / 円 / モジュラースケール1.25 / 余白は自信
   ============================================================ */

:root {
  --bg: #060505;
  --bg-2: #0D0B09;
  --ink: #EFE8D8;
  --ink-dim: rgba(239,232,216,.64);
  --ink-mute: rgba(239,232,216,.5);
  --line: rgba(199,154,69,.16);
  --line-strong: rgba(199,154,69,.34);
  --gold: #C79A45;
  --ember: #E8B34B;
  --crimson: #B2342B;
  /* type scale (1.25) base 16 */
  --t-1: clamp(48px, 9vw, 96px);
  --t-2: clamp(30px, 4.6vw, 49px);
  --t-3: clamp(20px, 2.6vw, 25px);
  --t-body: 15px;
  --t-small: 12.5px;
  --t-label: 10.5px;
  --sp: 8px;
  --sec-pad: clamp(96px, 16vw, 176px);
}

*,*::before,*::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: 'Shippori Mincho', serif;
  font-size: var(--t-body);
  line-height: 1.9;
  font-feature-settings: "palt";
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
/* 全面ノイズ */
body::before {
  content: ''; position: fixed; inset: 0; pointer-events: none; z-index: 3; opacity: .05;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='180' height='180'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3'/></filter><rect width='180' height='180' filter='url(%23n)'/></svg>");
}

::selection { background: rgba(199,154,69,.35); }

a { color: inherit; }
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--gold); outline-offset: 3px; border-radius: 2px;
}

/* ---------- nav ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 20;
  display: flex; justify-content: space-between; align-items: center;
  padding: 18px 28px;
  background: linear-gradient(180deg, rgba(6,5,5,.88), rgba(6,5,5,0));
}
.brand { text-decoration: none; display: flex; flex-direction: column; gap: 2px; }
.brand .b-presents {
  font-family: 'JetBrains Mono', monospace;
  font-size: 8.5px; letter-spacing: .34em; color: var(--ink-mute); text-transform: uppercase;
}
.brand .b-name {
  font-family: 'Cormorant Garamond', serif;
  font-size: 19px; font-weight: 600; letter-spacing: .06em; color: var(--ink);
}
.brand .b-name em { font-style: italic; color: var(--gold); }
.menu { display: flex; gap: 30px; align-items: center; }
.menu a {
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--t-label); letter-spacing: .26em;
  color: var(--ink-dim); text-decoration: none; text-transform: uppercase;
  transition: color .13s ease;
}
.menu a:hover { color: var(--gold); }
.menu .m-entry {
  color: var(--gold); border: 1px solid var(--line-strong); border-radius: 2px;
  padding: 9px 16px; transition: background .13s ease, color .13s ease;
}
.menu .m-entry:hover { background: var(--gold); color: var(--bg); }
@media (max-width: 640px) {
  .nav { padding: 14px 16px; }
  .menu { gap: 14px; }
  .menu a { font-size: 9px; letter-spacing: .16em; }
  .menu .m-entry { padding: 7px 10px; }
}

/* ---------- hero ---------- */
.hero {
  position: relative; min-height: 100svh;
  display: flex; flex-direction: column; justify-content: center; align-items: center;
  padding: 90px 24px 120px;
  overflow: hidden;
}
.ring-canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.corners { position: absolute; inset: 22px; border: 1px solid rgba(199,154,69,.18); pointer-events: none; }
.corners::before, .corners::after {
  content: ''; position: absolute; width: 26px; height: 26px; border: 1px solid var(--gold);
}
.corners::before { top: -2px; left: -2px; border-right: none; border-bottom: none; }
.corners::after { bottom: -2px; right: -2px; border-left: none; border-top: none; }

.hero-inner { position: relative; z-index: 2; text-align: center; }
.h-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--t-label); letter-spacing: .4em; text-transform: uppercase;
  color: var(--ink-mute); margin-bottom: 30px;
}
.hero h1 {
  font-family: 'Cormorant Garamond', serif; font-weight: 500;
  font-size: var(--t-1); line-height: .96; letter-spacing: .02em;
  display: flex; flex-direction: column; align-items: center;
}
.hero h1 .w1 { color: var(--ink); }
.hero h1 .w2 { color: transparent; -webkit-text-stroke: 1px var(--gold); font-style: italic; }
.h-copy {
  margin-top: 34px;
  font-size: clamp(15px, 2.2vw, 19px); letter-spacing: .12em; color: var(--ink-dim);
}
.h-copy em { font-style: normal; color: var(--ember); }
.h-state {
  display: inline-flex; align-items: center; gap: 12px;
  margin-top: 38px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px; letter-spacing: .3em; text-transform: uppercase; color: var(--gold);
  border: 1px solid var(--line-strong); border-radius: 2px; padding: 11px 20px;
}
.h-state .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--crimson); animation: pulse 1.6s ease-in-out infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .25; } }

.hero-foot {
  position: absolute; left: 0; right: 0; bottom: 0; z-index: 2;
  display: flex; justify-content: space-between; align-items: flex-end;
  padding: 0 46px 40px;
}
.hf-item { display: flex; flex-direction: column; gap: 6px; }
.hf-item.r { text-align: right; }
.hf-item .k {
  font-family: 'JetBrains Mono', monospace;
  font-size: 9.5px; letter-spacing: .3em; color: var(--ink-mute); text-transform: uppercase;
}
.hf-item .v { font-size: 13px; color: var(--ink-dim); letter-spacing: .04em; }
.scroll-cue {
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  font-family: 'JetBrains Mono', monospace; font-size: 9px; letter-spacing: .34em; color: var(--ink-mute);
}
.scroll-cue .line { width: 1px; height: 44px; background: linear-gradient(180deg, transparent, var(--gold)); animation: cue 2.2s ease-in-out infinite; }
@keyframes cue { 0% { transform: scaleY(.2); transform-origin: top; } 55% { transform: scaleY(1); } 100% { transform: scaleY(.2); transform-origin: bottom; } }
@media (max-width: 700px) {
  .hero-foot { padding: 0 20px 26px; }
  .hf-item .v { font-size: 11px; }
}
@media (prefers-reduced-motion: reduce) {
  .h-state .dot, .scroll-cue .line { animation: none; }
}

/* ---------- 共通セクション ---------- */
.s { padding: var(--sec-pad) 24px; position: relative; }
.s .inner { max-width: 1040px; margin: 0 auto; }
.sec-mark {
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--t-label); letter-spacing: .4em; text-transform: uppercase;
  color: var(--gold); margin-bottom: 34px;
}
.sec-title {
  font-family: 'Shippori Mincho', serif; font-weight: 500;
  font-size: var(--t-2); line-height: 1.35; letter-spacing: .02em;
  margin-bottom: clamp(48px, 7vw, 76px);
}
.sec-title em { font-style: normal; color: var(--gold); }

/* reveal（控えめな出現・JS有効時のみ隠す＝JS無効/クローラでも全文表示） */
html.js .reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s ease, transform .7s ease; }
html.js .reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { html.js .reveal { opacity: 1; transform: none; transition: none; } }

/* ---------- 01 概要 ---------- */
.about { border-top: 1px solid var(--line); background: linear-gradient(180deg, var(--bg), var(--bg-2)); }
.about-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: clamp(36px, 6vw, 72px); align-items: start; }
@media (max-width: 820px) { .about-grid { grid-template-columns: 1fr; } }
.lead { font-size: clamp(15px, 1.9vw, 17px); line-height: 2.2; color: var(--ink); max-width: 36em; }
.cells { display: grid; grid-template-columns: 1fr; gap: 1px; background: var(--line); border: 1px solid var(--line); }
.cell { background: var(--bg); padding: 18px 22px; display: flex; flex-direction: column; gap: 7px; }
.cell .k { font-family: 'JetBrains Mono', monospace; font-size: 9.5px; letter-spacing: .3em; color: var(--ink-mute); text-transform: uppercase; }
.cell .v { font-family: 'Cormorant Garamond', serif; font-size: 21px; font-weight: 500; }
.cell .v.accent { color: var(--gold); }
.cell .v small { display: block; font-family: 'Shippori Mincho', serif; font-size: 11.5px; color: var(--ink-dim); margin-top: 3px; }

/* ---------- 02 形式 ---------- */
.format { background: var(--bg-2); border-top: 1px solid var(--line); }
.loopbar { margin-bottom: clamp(48px, 7vw, 72px); }
.loopbar .bars { display: grid; grid-template-columns: repeat(8, 1fr); gap: 8px; }
.loopbar .bar {
  height: 42px; border: 1px solid var(--line-strong); border-radius: 2px;
  background: rgba(199,154,69,.05); position: relative; overflow: hidden;
}
.loopbar .bar::after {
  content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(232,179,75,.75), rgba(178,52,43,.55));
  opacity: 0; animation: barlight 6.4s linear infinite;
}
.loopbar .bar:nth-child(1)::after { animation-delay: 0s; }
.loopbar .bar:nth-child(2)::after { animation-delay: .8s; }
.loopbar .bar:nth-child(3)::after { animation-delay: 1.6s; }
.loopbar .bar:nth-child(4)::after { animation-delay: 2.4s; }
.loopbar .bar:nth-child(5)::after { animation-delay: 3.2s; }
.loopbar .bar:nth-child(6)::after { animation-delay: 4s; }
.loopbar .bar:nth-child(7)::after { animation-delay: 4.8s; }
.loopbar .bar:nth-child(8)::after { animation-delay: 5.6s; }
@keyframes barlight { 0% { opacity: 0; } 4% { opacity: 1; } 12.5% { opacity: 1; } 20% { opacity: 0; } 100% { opacity: 0; } }
@media (prefers-reduced-motion: reduce) { .loopbar .bar::after { animation: none; opacity: .35; } }
.loopnote {
  margin-top: 14px; font-family: 'JetBrains Mono', monospace;
  font-size: 9.5px; letter-spacing: .3em; color: var(--ink-mute); text-transform: uppercase; text-align: right;
}
.flow { list-style: none; display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
@media (max-width: 700px) { .flow { grid-template-columns: 1fr; } }
.flow li { background: var(--bg-2); padding: 30px 28px; display: flex; gap: 20px; align-items: baseline; }
.flow .n { font-family: 'JetBrains Mono', monospace; font-size: 11px; letter-spacing: .2em; color: var(--gold); }
.flow .d { font-size: 13.5px; line-height: 2; color: var(--ink-dim); }
.flow .d b { color: var(--ink); font-weight: 500; display: inline-block; margin-bottom: 4px; font-size: 15px; }

/* ---------- 03 円 ---------- */
.circle { border-top: 1px solid var(--line); text-align: center; }
.circle .sec-mark, .circle .sec-title { text-align: left; }
.circle-stage {
  position: relative; width: min(72vw, 460px); height: min(72vw, 460px);
  margin: 0 auto; border-radius: 50%;
  border: 1px dashed var(--line-strong);
  display: flex; align-items: center; justify-content: center;
}
.circle-stage::before {
  content: ''; position: absolute; inset: -26px; border-radius: 50%;
  border: 1px solid var(--line);
}
.c-center { display: flex; flex-direction: column; gap: 8px; }
.c-count { font-family: 'Cormorant Garamond', serif; font-size: clamp(56px, 9vw, 92px); font-weight: 300; color: var(--gold); line-height: 1; }
.c-label { font-family: 'JetBrains Mono', monospace; font-size: 9.5px; letter-spacing: .4em; color: var(--ink-mute); }
.c-seat {
  position: absolute; width: 11px; height: 11px; border-radius: 50%;
  border: 1px solid var(--line-strong); background: rgba(199,154,69,.08);
  transform: translate(-50%, -50%);
}
.circle-note { margin-top: 44px; font-size: var(--t-small); color: var(--ink-mute); letter-spacing: .06em; }

/* ---------- 04 Road ---------- */
.road { background: var(--bg-2); border-top: 1px solid var(--line); }
.road-line { display: flex; align-items: stretch; gap: 0; }
@media (max-width: 760px) { .road-line { flex-direction: column; } }
.rd-node {
  flex: 1; border: 1px solid var(--line); background: var(--bg);
  padding: 26px 24px; display: flex; flex-direction: column; gap: 8px;
}
.rd-node.now { border-color: var(--line-strong); background: rgba(199,154,69,.06); }
.rd-node.far { opacity: .75; }
.rd-k { font-family: 'JetBrains Mono', monospace; font-size: 9.5px; letter-spacing: .3em; color: var(--gold); text-transform: uppercase; }
.rd-v { font-family: 'Shippori Mincho', serif; font-size: 18px; font-weight: 500; }
.rd-s { font-size: 11.5px; color: var(--ink-mute); }
.rd-arrow { width: 46px; position: relative; }
.rd-arrow::before {
  content: ''; position: absolute; top: 50%; left: 6px; right: 6px; height: 1px;
  background: linear-gradient(90deg, var(--line-strong), var(--gold));
}
.rd-arrow::after {
  content: ''; position: absolute; top: 50%; right: 6px; width: 7px; height: 7px;
  border-top: 1px solid var(--gold); border-right: 1px solid var(--gold);
  transform: translateY(-50%) rotate(45deg);
}
@media (max-width: 760px) {
  .rd-arrow { width: auto; height: 34px; }
  .rd-arrow::before { left: 50%; right: auto; top: 6px; bottom: 6px; width: 1px; height: auto; background: linear-gradient(180deg, var(--line-strong), var(--gold)); }
  .rd-arrow::after { top: auto; bottom: 6px; right: auto; left: 50%; transform: translateX(-50%) rotate(135deg); }
}
.road-note { margin-top: 40px; font-size: var(--t-small); color: var(--ink-mute); letter-spacing: .06em; }

/* ---------- 05 記録 ---------- */
.archive { border-top: 1px solid var(--line); }
.arc-list { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
@media (max-width: 760px) { .arc-list { grid-template-columns: 1fr; } }
.arc-card {
  border: 1px solid var(--line); border-left: 2px solid var(--gold);
  background: var(--bg-2); padding: 30px 28px;
  display: flex; flex-direction: column; gap: 14px;
}
.arc-card.coming { border-left-color: var(--line-strong); opacity: .8; }
.ac-head { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; font-family: 'JetBrains Mono', monospace; font-size: 9.5px; letter-spacing: .2em; text-transform: uppercase; }
.ac-date { color: var(--ink); }
.ac-tag { color: var(--gold); }
.ac-title { font-family: 'Shippori Mincho', serif; font-size: 20px; font-weight: 500; }
.ac-body { font-size: 13px; line-height: 2; color: var(--ink-dim); }
.ac-body b { color: var(--ink); font-weight: 500; }
.ac-link {
  font-family: 'JetBrains Mono', monospace; font-size: 10px; letter-spacing: .2em;
  color: var(--ink-mute); text-decoration: none; text-transform: uppercase;
  transition: color .13s ease; margin-top: auto;
}
.ac-link:hover { color: var(--gold); }

/* ---------- 06 エントリー ---------- */
.entry { background: var(--bg-2); border-top: 1px solid var(--line); }
.entry-lead { max-width: 34em; color: var(--ink-dim); margin-bottom: 44px; }
.entry-cta { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; max-width: 760px; }
@media (max-width: 640px) { .entry-cta { grid-template-columns: 1fr; } }
.cta {
  position: relative; display: flex; flex-direction: column; gap: 6px;
  border: 1px solid var(--line-strong); border-radius: 2px;
  padding: 24px 26px; text-decoration: none;
  transition: background .13s ease, border-color .13s ease;
}
.cta .lbl { font-family: 'JetBrains Mono', monospace; font-size: 9.5px; letter-spacing: .28em; color: var(--gold); text-transform: uppercase; }
.cta .ttl { font-size: 16px; font-weight: 500; color: var(--ink); }
.cta .hint { font-family: 'JetBrains Mono', monospace; font-size: 9px; letter-spacing: .14em; color: var(--ink-mute); }
.cta .arr { position: absolute; right: 22px; top: 50%; transform: translateY(-50%); font-family: 'JetBrains Mono', monospace; color: var(--ink-mute); transition: color .13s ease, transform .13s ease; }
.cta:hover { border-color: var(--gold); background: rgba(199,154,69,.07); }
.cta:hover .arr { color: var(--gold); transform: translate(4px, -50%); }
.cta.primary { border-color: var(--gold); background: rgba(199,154,69,.08); }
.entry-note { margin-top: 34px; font-size: 11.5px; color: var(--ink-mute); }

/* ---------- footer ---------- */
footer { border-top: 1px solid var(--line); padding: 64px 28px 30px; background: var(--bg); }
.f-top { max-width: 1040px; margin: 0 auto; display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; padding-bottom: 44px; border-bottom: 1px solid var(--line); }
@media (max-width: 700px) { .f-top { grid-template-columns: 1fr; } }
.f-brand { display: flex; flex-direction: column; gap: 8px; }
.fb-name { font-family: 'Cormorant Garamond', serif; font-size: 26px; font-weight: 600; }
.fb-name em { font-style: italic; color: var(--gold); }
.fb-note { font-family: 'JetBrains Mono', monospace; font-size: 9.5px; letter-spacing: .26em; color: var(--ink-mute); text-transform: uppercase; }
.f-col h5 { font-family: 'JetBrains Mono', monospace; font-size: 9.5px; letter-spacing: .3em; color: var(--gold); text-transform: uppercase; margin-bottom: 16px; }
.f-col a { display: block; font-size: 13px; color: var(--ink-dim); text-decoration: none; padding: 5px 0; transition: color .13s ease; }
.f-col a:hover { color: var(--gold); }
.f-bot { max-width: 1040px; margin: 0 auto; display: flex; justify-content: space-between; padding-top: 22px; font-family: 'JetBrains Mono', monospace; font-size: 9px; letter-spacing: .26em; color: var(--ink-mute); text-transform: uppercase; }

/* 優勝賞金を大々的に (2026-08-04 本人指示) */
.h-prize {
  margin-top: 26px;
  font-family: 'Shippori Mincho', serif;
  font-size: clamp(17px, 2.6vw, 24px); letter-spacing: .14em; color: var(--ink);
}
.h-prize em {
  font-style: normal; font-family: 'Cormorant Garamond', serif; font-weight: 600;
  font-size: clamp(30px, 5vw, 46px); color: var(--gold);
  text-shadow: 0 0 30px rgba(232,179,75,.35);
  vertical-align: -2px; margin-left: 6px;
}

/* --- エントリー3ステップ (2026-08-04 分かりやすく) --- */
.howto { list-style: none; display: flex; flex-direction: column; gap: 1px; background: var(--line); border: 1px solid var(--line); margin-bottom: 44px; max-width: 760px; }
.howto li { background: var(--bg); padding: 22px 24px; display: flex; gap: 20px; align-items: baseline; }
.howto .hn { font-family: 'Cormorant Garamond', serif; font-size: 34px; font-weight: 300; color: var(--gold); line-height: 1; min-width: 30px; }
.howto .hd { font-size: 13.5px; line-height: 2; color: var(--ink-dim); }
.howto .hd b { color: var(--ink); font-weight: 500; display: inline-block; margin-bottom: 3px; font-size: 15px; }

/* --- エントリーフォーム (2026-08-04) --- */
.entry-form { max-width: 760px; border: 1px solid var(--line-strong); background: var(--bg-2); padding: 30px 28px; margin-bottom: 26px; }
.ef-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin: 20px 0 6px; }
@media (max-width: 640px) { .ef-grid { grid-template-columns: 1fr; } }
.ef-field label { display: block; font-family: 'JetBrains Mono', monospace; font-size: 10px; letter-spacing: .22em; text-transform: uppercase; color: var(--ink-mute); margin-bottom: 8px; }
.ef-field label em { font-style: normal; color: var(--crimson); margin-left: 6px; }
.ef-field input, .ef-field select {
  width: 100%; background: var(--bg); color: var(--ink);
  border: 1px solid var(--line-strong); border-radius: 2px;
  padding: 12px 14px; font-family: 'Shippori Mincho', serif; font-size: 15px;
}
.ef-field input:focus, .ef-field select:focus { outline: 2px solid var(--gold); outline-offset: 1px; }
.ef-field input::placeholder { color: rgba(239,232,216,.28); }
.ef-check { display: flex; gap: 10px; align-items: baseline; font-size: 13px; color: var(--ink-dim); margin: 14px 0 0; cursor: pointer; }
.ef-check.big { font-size: 14.5px; color: var(--ink); margin: 0; }
.ef-check input { accent-color: #C79A45; width: 16px; height: 16px; }
.ef-check em { font-style: normal; color: var(--crimson); }
.ef-check a { color: var(--gold); }
.ef-hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.ef-submit {
  display: block; width: 100%; margin-top: 24px;
  background: var(--gold); color: var(--bg); border: none; border-radius: 2px;
  font-family: 'Shippori Mincho', serif; font-size: 16px; font-weight: 700; letter-spacing: .12em;
  padding: 16px; cursor: pointer; transition: opacity .13s ease;
}
.ef-submit:hover { opacity: .88; }
.ef-submit:disabled { opacity: .45; cursor: default; }
.ef-msg { margin-top: 14px; font-size: 13px; line-height: 1.9; min-height: 1.5em; }
.ef-msg.ok { color: var(--ember); }
.ef-msg.err { color: #D96C60; }
html.js .first-only.off { display: none; }
.ef-check[hidden] { display: none; }