@charset "UTF-8";
/* =========================================================
   RIFF & SOUL（仮）— オリジナルテーマ HTMLデザイン版
   WordPress化の際は、このファイルの内容を style.css として利用します
   ---------------------------------------------------------
   01. Tokens / Base
   02. Header / Global nav
   03. Hero / Amp panel（トップページ）
   04. Layout / Section title
   05. Post card / Sleeve（サムネイル）
   06. Sidebar widgets
   07. Page head / Breadcrumb / Filter / Pagination
   08. Single（記事ページ）
   09. Share buttons
   10. Pages（ご依頼・お問い合わせ・ポリシー）
   11. Footer / Page top
   12. Responsive
   ========================================================= */

/* ---------- 01. Tokens / Base ---------- */
:root {
  --steel: #1B1C20;      /* ベース背景 */
  --cabinet: #24252B;    /* パネル・ボックス */
  --panel: #2E3036;
  --line: #3A3C43;
  --bone: #ECE6DA;       /* 本文 */
  --bone-dim: #CFC9BD;
  --ash: #8E8A83;        /* 補助テキスト */
  --red: #C4161C;        /* 真空管の赤（メタル・ロック側） */
  --red-hi: #FF5A50;
  --brass: #C9A04C;      /* 真鍮（ブルース側） */
  --brass-hi: #E8C877;

  --f-display: "Dela Gothic One", "Hiragino Kaku Gothic StdN", "Noto Sans JP", sans-serif;
  --f-en: "Big Shoulders Display", "Arial Narrow", Impact, sans-serif;
  --f-body: "Zen Kaku Gothic New", "Hiragino Kaku Gothic ProN", "Noto Sans JP", Meiryo, sans-serif;

  --wrap: 1200px;
  --header-h: 76px;

  --grille:
    repeating-linear-gradient(45deg, rgba(255,255,255,.035) 0 1px, transparent 1px 4px),
    repeating-linear-gradient(-45deg, rgba(0,0,0,.35) 0 1px, transparent 1px 4px),
    #17181C;
}

/* ジャンルカラー（カテゴリーのスラッグと合わせる） */
/* ヘヴィメタルはスラッグの表記ゆれに対応 */
[data-genre="metal"],
[data-genre="heavymetal"],
[data-genre="heavy-metal"],
[data-genre="heavy_metal"],
[data-genre="%e3%83%98%e3%83%b4%e3%82%a3%e3%83%a1%e3%82%bf%e3%83%ab"],
[data-genre="ヘヴィメタル"] { --g: #D4232A; }
[data-genre="hardrock"] { --g: #E0662F; }
[data-genre="rock"]     { --g: #C9455A; }
[data-genre="blues"]     { --g: #C9A04C; }
[data-genre="column"]   { --g: #B9B2A6; }

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 16px); }
body {
  margin: 0;
  background: var(--steel);
  color: var(--bone);
  font-family: var(--f-body);
  font-size: 16px;
  line-height: 1.9;
  letter-spacing: .02em;
  -webkit-font-smoothing: antialiased;
}
body::before { /* うっすらノイズ */
  content: "";
  position: fixed; inset: 0;
  pointer-events: none; z-index: 100;
  opacity: .05;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}
body.is-locked { overflow: hidden; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; }
:where(a, button, input, select, textarea, summary):focus-visible {
  outline: 2px solid var(--brass-hi);
  outline-offset: 3px;
}
.wrap { max-width: var(--wrap); margin-inline: auto; padding-inline: 24px; }
.sr-only {
  position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
.skip-link {
  position: absolute; left: 16px; top: -60px; z-index: 200;
  background: var(--brass); color: #1b1406; padding: 10px 16px; font-weight: 700;
}
.skip-link:focus { top: 12px; }
time, .num { font-family: var(--f-en); font-weight: 600; letter-spacing: .05em; }

/* ---------- 02. Header / Global nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 60;
  background: rgba(27,28,32,.9);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.site-header__inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px; height: var(--header-h);
}
.logo { display: inline-flex; flex-direction: column; line-height: 1; }
.logo__name {
  font-family: var(--f-en);
  font-weight: 900;
  font-size: 32px;
  letter-spacing: .03em;
  background: linear-gradient(180deg, #ffffff 0%, #d5d8de 44%, #7b7f88 52%, #c9ccd2 70%, #f4f5f7 100%);
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
}
.logo__amp { -webkit-text-fill-color: var(--brass); }
.logo__tag { margin-top: 6px; font-size: 11px; color: var(--ash); letter-spacing: .08em; }

.gnav > ul { display: flex; align-items: center; gap: 2px; list-style: none; margin: 0; padding: 0; }
.gnav a {
  display: block; position: relative;
  padding: 10px 14px;
  font-size: 14px; font-weight: 500;
  transition: color .2s;
}
.gnav a:hover { color: var(--brass-hi); }
.gnav > ul > li > a[aria-current="page"]::after {
  content: "";
  position: absolute; left: 50%; bottom: 0;
  width: 6px; height: 6px; margin-left: -3px; border-radius: 50%;
  background: var(--red-hi);
  box-shadow: 0 0 8px 2px rgba(255,59,48,.6);
}
.has-sub { position: relative; }
.has-sub > a { padding-right: 28px; }
.has-sub > a::before {
  content: "";
  position: absolute; right: 12px; top: 50%;
  width: 6px; height: 6px; margin-top: -5px;
  border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg);
}
.sub-menu {
  position: absolute; top: 100%; left: 0;
  min-width: 230px; margin: 0; padding: 8px;
  list-style: none;
  background: var(--cabinet);
  border: 1px solid var(--line);
  border-top: 2px solid var(--red);
  box-shadow: 0 16px 32px rgba(0,0,0,.45);
  opacity: 0; visibility: hidden; transform: translateY(6px);
  transition: opacity .2s, transform .2s, visibility .2s;
}
.has-sub:hover .sub-menu,
.has-sub:focus-within .sub-menu { opacity: 1; visibility: visible; transform: none; }
.sub-menu a { display: flex; align-items: center; gap: 10px; padding: 9px 12px; }
.sub-menu a::before {
  content: ""; flex: none;
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--g, var(--ash));
}
.sub-menu a:hover { background: var(--panel); }

.nav-toggle {
  display: none;
  width: 46px; height: 46px; padding: 0;
  background: transparent; color: var(--bone);
  border: 1px solid var(--line); border-radius: 2px;
  cursor: pointer; position: relative;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  position: absolute; left: 50%; width: 20px; height: 2px; margin-left: -10px;
  background: currentColor; transition: transform .25s, opacity .25s;
}
.nav-toggle span { top: 50%; margin-top: -1px; }
.nav-toggle span::before, .nav-toggle span::after { content: ""; left: 0; margin-left: 0; }
.nav-toggle span::before { top: -7px; }
.nav-toggle span::after { top: 7px; }
.nav-toggle[aria-expanded="true"] span { background: transparent; }
.nav-toggle[aria-expanded="true"] span::before { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::after { transform: translateY(-7px) rotate(-45deg); }

/* ---------- 03. Hero / Amp panel ---------- */
.hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(ellipse 55% 90% at 88% 10%, rgba(196,22,28,.30), transparent 62%),
    radial-gradient(ellipse 45% 70% at 4% 110%, rgba(201,160,76,.16), transparent 60%),
    var(--grille);
}
.hero__body { padding: 96px 0 64px; max-width: 820px; }
.hero__intro { margin: 0; font-size: 14px; color: var(--brass-hi); font-weight: 500; }
.hero__title {
  margin: 18px 0 26px;
  font-family: var(--f-display);
  font-weight: 400;
  font-size: clamp(38px, 6.6vw, 80px);
  line-height: 1.22;
  letter-spacing: .01em;
  text-shadow: 0 2px 0 rgba(0,0,0,.4);
}
.hero__title span { display: block; }
.hero__text { margin: 0; max-width: 34em; color: var(--bone-dim); font-size: 16px; }

.amp {
  position: relative;
  background:
    linear-gradient(180deg, rgba(255,255,255,.09) 0%, rgba(255,255,255,0) 40%, rgba(0,0,0,.28) 100%),
    repeating-linear-gradient(90deg, rgba(255,255,255,.028) 0 1px, transparent 1px 3px),
    #34363C;
  border-top: 1px solid #52555D;
  border-bottom: 5px solid #0C0D0F;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.14), 0 12px 30px rgba(0,0,0,.35);
}
.amp__inner { display: flex; align-items: center; gap: 36px; padding-block: 24px 20px; }
.amp__side {
  flex: none;
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  font-family: var(--f-en); font-weight: 700; font-size: 12px; letter-spacing: .18em;
  color: #D6D1C6;
}
.lamp {
  width: 26px; height: 26px; border-radius: 50%;
  background: radial-gradient(circle at 38% 32%, #FFC2B8 0%, #FF3B30 28%, #A00E14 68%, #420405 100%);
  box-shadow:
    0 0 0 3px #17181B, 0 0 0 5px #767A83,
    0 0 18px 5px rgba(255,59,48,.6), 0 0 44px 12px rgba(255,59,48,.22);
}
.jack {
  width: 30px; height: 30px; border-radius: 50%;
  background: radial-gradient(circle, #050505 0 26%, #A7ABB3 30% 52%, #50535A 56% 70%, #2A2C31 74%);
  box-shadow: 0 1px 0 rgba(255,255,255,.15), inset 0 1px 2px rgba(0,0,0,.6);
}
.amp__knobs {
  flex: 1;
  display: flex; justify-content: space-between; gap: 12px;
  list-style: none; margin: 0; padding: 0;
}
.knob-link {
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  text-align: center; line-height: 1.3; white-space: nowrap;
}
.knob { position: relative; width: 60px; height: 60px; margin-top: 8px; }
.knob::before { /* 目盛り（0〜10） */
  content: "";
  position: absolute; inset: -9px; border-radius: 50%;
  background: repeating-conic-gradient(from -136deg, #D6D1C6 0deg 2deg, transparent 2deg 27deg);
  -webkit-mask: radial-gradient(circle closest-side, transparent 84%, #000 85%), conic-gradient(from -136deg, #000 0deg 272deg, transparent 272deg);
  -webkit-mask-composite: source-in;
          mask: radial-gradient(circle closest-side, transparent 84%, #000 85%), conic-gradient(from -136deg, #000 0deg 272deg, transparent 272deg);
          mask-composite: intersect;
  opacity: .8;
}
.knob__cap {
  --rot: calc(-135deg + 27deg * var(--lvl, 5));
  position: absolute; inset: 0; border-radius: 50%;
  background: radial-gradient(circle at 36% 28%, #62656D 0%, #24252A 52%, #0B0B0D 100%);
  box-shadow: 0 7px 12px rgba(0,0,0,.65), inset 0 1px 1px rgba(255,255,255,.28);
  transform: rotate(var(--rot));
  transition: transform .7s cubic-bezier(.25, 1.35, .45, 1);
}
.knob__cap::before { /* ローレット */
  content: "";
  position: absolute; inset: 0; border-radius: 50%;
  background: repeating-conic-gradient(rgba(255,255,255,.09) 0 4deg, transparent 4deg 9deg);
  -webkit-mask: radial-gradient(circle closest-side, transparent 76%, #000 80%);
          mask: radial-gradient(circle closest-side, transparent 76%, #000 80%);
}
.knob__cap::after { /* 指針 */
  content: "";
  position: absolute; left: 50%; top: 5px;
  width: 3px; height: 34%; margin-left: -1.5px; border-radius: 2px;
  background: var(--g, var(--bone));
  box-shadow: 0 0 6px var(--g, transparent);
}
.knob-link__ja { font-size: 13px; font-weight: 700; transition: color .2s; }
.knob-link__en { font-family: var(--f-en); font-size: 12px; font-weight: 600; color: #A9A59D; letter-spacing: .06em; }
.knob-link:hover .knob-link__ja,
.knob-link:focus-visible .knob-link__ja { color: var(--g); }
.knob-link:hover .knob__cap,
.knob-link:focus-visible .knob__cap { --rot: 165deg; } /* 目盛りの先「11」まで */

/* 読み込み時：電源ON演出（JSが .is-on を付与） */
.js .amp:not(.is-on) .knob__cap { --rot: -135deg; }
.js .amp:not(.is-on) .lamp {
  background: radial-gradient(circle at 38% 32%, #6E403C 0%, #3A0B0D 60%, #1C0405 100%);
  box-shadow: 0 0 0 3px #17181B, 0 0 0 5px #767A83;
}
.amp.is-on .lamp { animation: tube-flicker .8s steps(1, end) 1; }
@keyframes tube-flicker {
  0% { opacity: .35; } 12% { opacity: 1; } 22% { opacity: .45; }
  34% { opacity: 1; } 46% { opacity: .75; } 58%, 100% { opacity: 1; }
}


/* ---------- 03-b. FV animation（ギターの指板・ステージライト） ---------- */
.hero__stage { position: relative; isolation: isolate; overflow: hidden; }
.hero__stage > .wrap { position: relative; z-index: 2; }
.hero__strings {
  position: absolute; inset: 0; z-index: 0;
  width: 100%; height: 100%;
  pointer-events: none;
}

/* ステージライト */
.hero__lights { position: absolute; inset: 0; z-index: 1; pointer-events: none; mix-blend-mode: screen; }
.beam {
  --c: 255, 60, 48;
  --o: .75;
  position: absolute; top: -8%;
  width: min(38vw, 560px); height: 125%;
  transform-origin: 50% 0;
  transform: translateX(-50%) rotate(var(--a));
  background: linear-gradient(180deg, rgba(var(--c), .7) 0%, rgba(var(--c), .18) 50%, rgba(var(--c), 0) 88%);
  clip-path: polygon(47% 0, 53% 0, 100% 100%, 0 100%);
  filter: blur(16px);
  opacity: 0;
}
.beam--1 { left: 54%; --a: 14deg;  --b: -8deg;  --dur: 11s; --o: .55; }
.beam--2 { left: 72%; --a: -12deg; --b: 10deg;  --dur: 14s; --c: 232, 190, 110; --o: .45; }
.beam--3 { left: 88%; --a: 6deg;   --b: -20deg; --dur: 9s; }
.hero.is-hit .beam {
  animation:
    beam-on .7s steps(1, end) forwards,
    beam-sweep var(--dur) ease-in-out .3s infinite alternate;
}
.hero.is-hit .beam--2 { animation-delay: .12s, .5s; }
.hero.is-hit .beam--3 { animation-delay: .05s, .2s; }
.hero.is-strum .beam { filter: blur(16px) brightness(1.6); transition: filter .05s; }
.beam { transition: filter .5s ease-out; }
@keyframes beam-on {
  0% { opacity: var(--o); } 15% { opacity: .1; } 30% { opacity: var(--o); }
  45% { opacity: .2; } 60%, 100% { opacity: var(--o); }
}
@keyframes beam-sweep {
  from { transform: translateX(-50%) rotate(var(--a)); }
  to   { transform: translateX(-50%) rotate(var(--b)); }
}

/* インパクトの閃光 */
.hero__stage::after {
  content: "";
  position: absolute; inset: 0; z-index: 3;
  pointer-events: none;
  background: radial-gradient(ellipse 70% 90% at 30% 55%, rgba(255,236,214,.4), rgba(196,22,28,.28) 45%, transparent 75%);
  opacity: 0;
}
.hero.is-flash .hero__stage::after { animation: hit-flash .7s ease-out; }
.hero.is-flash .hero__body { animation: hero-shake .5s cubic-bezier(.36,.07,.19,.97) both; }
.hero.is-flash h2.hero__title { animation: title-afterglow 1.4s ease-out; }
@keyframes hit-flash { 0% { opacity: 1; } 100% { opacity: 0; } }
@keyframes hero-shake {
  10%, 90% { transform: translate3d(-2px, 1px, 0); }
  20%, 80% { transform: translate3d(4px, -2px, 0); }
  30%, 50%, 70% { transform: translate3d(-8px, 3px, 0); }
  40%, 60% { transform: translate3d(8px, -3px, 0); }
  100% { transform: none; }
}
@keyframes title-afterglow {
  0% { text-shadow: 0 0 24px rgba(255,80,60,.95), 0 0 60px rgba(196,22,28,.8); }
  100% { text-shadow: 0 2px 0 rgba(0,0,0,.4); }
}

/* タイトル：1文字ずつ叩きつける */
.hero__title .char { display: inline-block; }
.js h2.hero__title:not(.is-split) { opacity: 0; animation: hero-fallback 0s 4s forwards; }
@keyframes hero-fallback { to { opacity: 1; transform: none; } }
.hero.is-intro .hero__title .char { opacity: 0; }
.hero.is-play .hero__title .char {
  animation: char-slam .42s cubic-bezier(.2, .8, .25, 1.2) both;
  animation-delay: calc(var(--i) * 45ms);
}
@keyframes char-slam {
  0%   { opacity: 0; transform: translate3d(0, -.4em, 0) scale(2.4) rotate(var(--r, 0deg)); filter: blur(10px); }
  55%  { opacity: 1; filter: blur(0); }
  75%  { transform: translate3d(0, .05em, 0) scale(.93) rotate(0deg); }
  100% { opacity: 1; transform: none; filter: none; }
}

/* 導入テキスト・ヒント */
.hero__intro, .hero__text, .hero__hint { transition: opacity .7s ease, transform .7s ease; }
/* .js は <head> で付与されるので、初回描画から隠れた状態になる */
.js .hero:not(.is-hit) .hero__intro,
.js .hero:not(.is-hit) .hero__text,
.js .hero:not(.is-hit) .hero__hint { opacity: 0; transform: translateY(14px); animation: hero-fallback 0s 4s forwards; }
.hero.is-hit .hero__text { transition-delay: .2s; }
.hero.is-hit .hero__hint { transition-delay: 1.2s; }

.hero__hint {
  position: absolute; z-index: 2;
  right: max(24px, calc((100% - var(--wrap)) / 2 + 24px));
  bottom: 18px;
  display: flex; align-items: center; gap: 10px;
  margin: 0;
  font-size: 12px; color: var(--ash);
  pointer-events: none;
}
.hero__hint::before { content: ""; width: 32px; height: 1px; background: currentColor; }
.hero__hint-touch { display: none; }
@media (hover: none) {
  .hero__hint-fine { display: none; }
  .hero__hint-touch { display: inline; }
}

/* グリッチ */
.hero__title-wrap { position: relative; display: flow-root; }
.hero__glitch {
  position: absolute; top: 0; left: 0; right: 0;
  pointer-events: none; user-select: none;
  text-shadow: none;
  opacity: 0;
}
.hero__glitch--a { color: #FF3B30; }
.hero__glitch--b { color: #3FD6C8; }
.hero.is-glitch .hero__glitch { opacity: .8; mix-blend-mode: screen; }
.hero.is-glitch .hero__glitch--a { animation: glitch-a .36s steps(1, end) both; }
.hero.is-glitch .hero__glitch--b { animation: glitch-b .36s steps(1, end) both; }
.hero.is-glitch .hero__title-wrap > h2 { animation: glitch-main .36s steps(1, end) both; }
@keyframes glitch-a {
  0%   { clip-path: inset(6% 0 74% 0);  transform: translate(-8px, 0); }
  20%  { clip-path: inset(52% 0 24% 0); transform: translate(10px, 0); }
  40%  { clip-path: inset(28% 0 50% 0); transform: translate(-12px, 0); }
  60%  { clip-path: inset(80% 0 3% 0);  transform: translate(6px, 0); }
  80%  { clip-path: inset(14% 0 64% 0); transform: translate(-4px, 0); }
  100% { clip-path: inset(50% 0 50% 0); transform: none; }
}
@keyframes glitch-b {
  0%   { clip-path: inset(62% 0 14% 0); transform: translate(9px, 0); }
  20%  { clip-path: inset(10% 0 70% 0); transform: translate(-7px, 0); }
  40%  { clip-path: inset(70% 0 10% 0); transform: translate(12px, 0); }
  60%  { clip-path: inset(34% 0 44% 0); transform: translate(-9px, 0); }
  80%  { clip-path: inset(46% 0 36% 0); transform: translate(5px, 0); }
  100% { clip-path: inset(50% 0 50% 0); transform: none; }
}
@keyframes glitch-main {
  0%   { transform: translate(3px, 0) skewX(-6deg); }
  25%  { transform: translate(-4px, 0) skewX(4deg); }
  50%  { transform: translate(2px, 0) skewX(0); }
  75%  { transform: translate(-1px, 0); }
  100% { transform: none; }
}

/* ---------- 04. Layout / Section title ---------- */
.layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 56px;
  padding-block: 64px 104px;
}
.sec-title {
  position: relative;
  display: flex; align-items: baseline; flex-wrap: wrap; gap: 4px 14px;
  margin: 0 0 32px; padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}
.sec-title::after {
  content: "";
  position: absolute; left: 0; bottom: -1px;
  width: 72px; height: 3px;
  background: linear-gradient(90deg, var(--red) 0 50%, var(--brass) 50% 100%);
}
.sec-title__ja { font-family: var(--f-display); font-weight: 400; font-size: 28px; line-height: 1.35; }
.sec-title__en { font-family: var(--f-en); font-weight: 700; font-size: 20px; color: var(--brass); letter-spacing: .05em; }
.more-link { margin-top: 48px; text-align: center; }

/* ---------- 05. Post card / Sleeve ---------- */
.post-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 40px 28px;
}
.post-card { display: flex; flex-direction: column; gap: 14px; min-width: 0; }
.post-card[hidden] { display: none; }
.post-card__thumb { display: block; overflow: hidden; }
.post-card__thumb .sleeve { transition: filter .3s; }
.post-card__thumb:hover .sleeve { filter: brightness(1.15); }
.post-card__meta { display: flex; align-items: center; flex-wrap: wrap; gap: 8px 14px; color: var(--ash); font-size: 13px; }
.post-card__title { margin: 0; font-size: 17px; font-weight: 700; line-height: 1.65; }
.post-card__title a { transition: color .2s; }
.post-card__title a:hover { color: var(--brass-hi); }
.post-card__excerpt { margin: 0; font-size: 14px; color: var(--bone-dim); line-height: 1.85; }

.post-card--feature {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  align-items: center;
  gap: 32px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--line);
}
.post-card--feature .post-card__body { display: flex; flex-direction: column; gap: 14px; }
.post-card--feature .post-card__title { font-family: var(--f-display); font-weight: 400; font-size: 26px; line-height: 1.5; }
.post-card__badge {
  align-self: flex-start;
  font-size: 12px; font-weight: 700; color: #fff;
  background: var(--red); padding: 2px 10px; border-radius: 2px;
}

.chip {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 2px 10px 2px 8px;
  font-size: 12px; font-weight: 700; line-height: 1.8;
  color: var(--g);
  border: 1px solid color-mix(in srgb, var(--g) 55%, transparent);
  background: color-mix(in srgb, var(--g) 10%, transparent);
  border-radius: 2px;
}
.chip::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--g, var(--ash)); }
a.chip:hover { background: color-mix(in srgb, var(--g) 22%, transparent); }

/* サムネイル（ダミーのジャケット風アート）
   WordPress化後は .sleeve の中に <img> を入れれば画像が優先されます */
.sleeve:not([data-genre]) { --g: var(--red); }
.sleeve {
  position: relative; isolation: isolate;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  container-type: inline-size;
  background:
    linear-gradient(125deg, color-mix(in srgb, var(--g) 60%, #000) 0%, #16171A 58%, #0E0E10 100%);
}
.sleeve::before { /* レコード盤 */
  content: "";
  position: absolute; z-index: -1;
  width: 74%; aspect-ratio: 1;
  right: -20%; top: 50%; transform: translateY(-50%);
  border-radius: 50%;
  background:
    radial-gradient(circle, #0E0E10 0 2.2%, var(--g) 2.6% 15%, #0E0E10 15.5% 17%, transparent 17.5%),
    repeating-radial-gradient(circle, #1C1C20 0 2px, #0B0B0C 2px 4px);
  box-shadow: 0 0 0 1px rgba(255,255,255,.07), -24px 0 48px rgba(0,0,0,.65);
}
.sleeve::after { /* 光沢 */
  content: "";
  position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(115deg, transparent 40%, rgba(255,255,255,.07) 48%, transparent 56%);
}
.sleeve[data-genre="metal"],
.sleeve[data-genre="hardrock"] {
  background:
    repeating-linear-gradient(-62deg, rgba(0,0,0,.28) 0 2px, transparent 2px 14px),
    linear-gradient(125deg, color-mix(in srgb, var(--g) 62%, #000) 0%, #16171A 58%, #0E0E10 100%);
}
.sleeve[data-genre="blues"] {
  background:
    radial-gradient(circle at 18% 22%, color-mix(in srgb, var(--g) 45%, transparent) 0 9%, transparent 9.5%),
    linear-gradient(160deg, color-mix(in srgb, var(--g) 50%, #000) 0%, #16171A 62%, #0E0E10 100%);
}
.sleeve__word {
  position: absolute; left: 6%; bottom: 7%; right: 20%;
  font-family: var(--f-en);
  font-weight: 900;
  font-size: 44px;
  font-size: 15cqi;
  line-height: .88;
  letter-spacing: .01em;
  color: transparent;
  -webkit-text-stroke: 1px rgba(236,230,218,.75);
  word-break: keep-all;
  overflow-wrap: normal;
}
.sleeve--square { aspect-ratio: 1; }
.sleeve--square .sleeve__word { display: none; }
.sleeve--square::before { width: 120%; right: -60%; }
.sleeve img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: 1; }

/* ---------- 06. Sidebar widgets ---------- */
.sidebar { display: flex; flex-direction: column; gap: 44px; min-width: 0; }
.widget__title {
  display: flex; align-items: center; gap: 10px;
  margin: 0 0 16px; padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
  font-family: var(--f-display); font-weight: 400; font-size: 18px; line-height: 1.4;
}
.widget__title::before { /* インプットジャック */
  content: ""; flex: none;
  width: 16px; height: 16px; border-radius: 50%;
  background: radial-gradient(circle, #050505 0 28%, #A7ABB3 32% 54%, #4A4D54 58%);
}

.search-form {
  display: flex;
  background: var(--cabinet);
  border: 1px solid var(--line); border-radius: 2px;
  transition: border-color .2s;
}
.search-form:focus-within { border-color: var(--brass); }
.search-form input {
  flex: 1; min-width: 0;
  padding: 12px 14px;
  background: transparent; border: 0; color: var(--bone);
  font: inherit; font-size: 15px;
}
.search-form input::placeholder { color: var(--ash); }
.search-form input:focus { outline: none; }
.search-form button {
  flex: none; width: 50px;
  display: grid; place-items: center;
  background: var(--red); color: #fff; border: 0; cursor: pointer;
  transition: background .2s;
}
.search-form button:hover { background: #E0242B; }

.cat-list { list-style: none; margin: 0; padding: 0; }
.cat-list a {
  display: flex; align-items: center; gap: 10px;
  padding: 11px 2px;
  border-bottom: 1px dashed var(--line);
  font-size: 15px;
  transition: color .2s;
}
.cat-list a::before { content: ""; flex: none; width: 8px; height: 8px; border-radius: 50%; background: var(--g, var(--ash)); }
.cat-list a:hover { color: var(--g, var(--brass-hi)); }
.cat-list__count { margin-left: auto; font-family: var(--f-en); font-weight: 600; color: var(--ash); }

.rank-list, .mini-list { list-style: none; margin: 0; padding: 0; }
.rank-item a, .mini-item a {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr);
  gap: 14px; align-items: center;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}
.rank-item:first-child a, .mini-item:first-child a { padding-top: 6px; }
.rank-item__thumb { position: relative; }
.rank-item__title, .mini-item__title {
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
  font-size: 14px; font-weight: 500; line-height: 1.65;
  transition: color .2s;
}
.rank-item a:hover .rank-item__title,
.mini-item a:hover .mini-item__title { color: var(--brass-hi); }
.medal {
  position: absolute; top: -8px; left: -8px; z-index: 3;
  width: 30px; height: 30px; border-radius: 50%;
  display: grid; place-items: center;
  font-family: var(--f-en); font-weight: 900; font-size: 16px; line-height: 1;
  color: #231A06;
  box-shadow: 0 3px 8px rgba(0,0,0,.55), inset 0 1px 0 rgba(255,255,255,.7), inset 0 -2px 0 rgba(0,0,0,.2);
}
.medal--gold   { background: linear-gradient(135deg, #FFF3BF 0%, #EAC54F 32%, #A77C12 62%, #F6DC7E 100%); }
.medal--silver { background: linear-gradient(135deg, #FFFFFF 0%, #CDD1D7 32%, #7F858E 62%, #E9EBEE 100%); }
.medal--bronze { background: linear-gradient(135deg, #FFD9BD 0%, #C98049 32%, #7A421A 62%, #E6A675 100%); color: #2A1406; }
.medal--plain  { background: #3F4148; color: var(--bone); box-shadow: 0 2px 6px rgba(0,0,0,.4); }
.rank-item--1 .sleeve { box-shadow: 0 0 0 2px #EAC54F; }
.rank-item--2 .sleeve { box-shadow: 0 0 0 2px #CDD1D7; }
.rank-item--3 .sleeve { box-shadow: 0 0 0 2px #C98049; }
.mini-item time { display: block; margin-top: 2px; font-size: 13px; color: var(--ash); }

.profile {
  padding: 28px 24px;
  background: var(--cabinet);
  border: 1px solid var(--line);
  border-top: 3px solid var(--brass);
}
.profile__head { display: flex; align-items: center; gap: 16px; margin-bottom: 16px; }
.avatar {
  flex: none;
  width: 76px; height: 76px; border-radius: 50%;
  display: grid; place-items: center;
  font-family: var(--f-display); font-size: 26px; color: var(--bone);
  background:
    radial-gradient(circle, var(--red) 0 34%, #0E0E10 35% 37%, transparent 38%),
    repeating-radial-gradient(circle, #1C1C20 0 2px, #0B0B0C 2px 4px);
  box-shadow: 0 0 0 2px var(--line);
}
.avatar img { width: 100%; height: 100%; border-radius: 50%; object-fit: cover; }
.profile__name { margin: 0; font-size: 17px; font-weight: 700; line-height: 1.5; }
.profile__kana { display: block; font-size: 12px; font-weight: 500; color: var(--ash); }
.profile__text { margin: 0 0 20px; font-size: 14px; line-height: 1.9; color: var(--bone-dim); }
.profile .btn { width: 100%; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 26px;
  font-size: 14px; font-weight: 700; line-height: 1.5;
  color: var(--brass-hi);
  background: transparent;
  border: 1px solid var(--brass); border-radius: 2px;
  cursor: pointer;
  transition: background .2s, color .2s, border-color .2s;
}
.btn:hover { background: var(--brass); color: #1B1406; }
.btn--red { background: var(--red); border-color: var(--red); color: #fff; }
.btn--red:hover { background: #E0242B; border-color: #E0242B; color: #fff; }
.btn--lg { padding: 16px 40px; font-size: 16px; }

/* ---------- 07. Page head / Breadcrumb / Filter / Pagination ---------- */
.page-head {
  background:
    radial-gradient(ellipse 50% 120% at 92% 0%, rgba(196,22,28,.26), transparent 62%),
    var(--grille);
  border-bottom: 1px solid var(--line);
  padding: 44px 0 48px;
}
.page-head__title {
  margin: 0;
  font-family: var(--f-display); font-weight: 400;
  font-size: clamp(28px, 4.4vw, 46px); line-height: 1.35;
}
.page-head__en { display: block; margin-top: 8px; font-family: var(--f-en); font-weight: 700; font-size: 20px; color: var(--brass); letter-spacing: .05em; }
.page-head__text { margin: 18px 0 0; max-width: 40em; color: var(--bone-dim); }

.breadcrumb ol {
  display: flex; flex-wrap: wrap;
  list-style: none; margin: 0 0 22px; padding: 0;
  font-size: 12px; color: var(--ash);
}
.breadcrumb li + li::before { content: "/"; margin: 0 10px; color: #5A5C63; }
.breadcrumb a:hover { color: var(--brass-hi); }

.filter { display: flex; flex-wrap: wrap; gap: 10px; margin: 0 0 36px; }
.filter__btn:not([data-genre]) { --g: var(--bone); }
.filter__btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 16px;
  font-size: 14px; font-weight: 700;
  color: var(--bone-dim);
  background: transparent;
  border: 1px solid var(--line); border-radius: 40px;
  cursor: pointer;
  transition: background .2s, color .2s, border-color .2s;
}
.filter__btn:not([data-filter="all"])::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--g, var(--ash)); }
.filter__btn:hover { border-color: var(--g); color: var(--bone); }
.filter__btn[aria-pressed="true"] { background: var(--g); border-color: var(--g); color: #141417; }
.filter__btn[aria-pressed="true"]::before { background: #141417; }
.filter-empty { padding: 40px; text-align: center; color: var(--ash); border: 1px dashed var(--line); }

.pagination { display: flex; justify-content: center; flex-wrap: wrap; gap: 8px; margin-top: 64px; }
.pagination a, .pagination span {
  min-width: 46px; height: 46px; padding: 0 12px;
  display: grid; place-items: center;
  font-family: var(--f-en); font-weight: 700; font-size: 18px;
  border: 1px solid var(--line); border-radius: 2px;
  transition: border-color .2s, color .2s;
}
.pagination a:hover { border-color: var(--brass); color: var(--brass-hi); }
.pagination .current { background: var(--red); border-color: var(--red); color: #fff; }
.pagination .dots { border: 0; min-width: 20px; }

/* ---------- 08. Single ---------- */
.entry-head { margin-bottom: 28px; }
.entry-title {
  margin: 16px 0 18px;
  font-family: var(--f-display); font-weight: 400;
  font-size: clamp(26px, 3.6vw, 38px); line-height: 1.48;
}
.entry-dates { display: flex; flex-wrap: wrap; gap: 6px 20px; color: var(--ash); font-size: 13px; }
.entry-dates span { display: inline-flex; align-items: center; gap: 6px; }
.entry-dates svg { width: 14px; height: 14px; }
.entry-eyecatch .sleeve { aspect-ratio: 16 / 9; }
.entry-eyecatch .sleeve__word { font-size: 13cqi; }

.entry-content { font-size: 16.5px; line-height: 2.05; }
.entry-content > :first-child { margin-top: 0; }
.entry-content p:not([class]) { margin: 0 0 1.7em; }
.entry-content h2 {
  margin: 3.4em 0 1.3em;
  padding: 18px 20px 18px 24px;
  font-family: var(--f-display); font-weight: 400;
  font-size: 24px; line-height: 1.55;
  background: linear-gradient(90deg, rgba(196,22,28,.2), rgba(196,22,28,0) 75%);
  border-left: 5px solid var(--red);
}
.entry-content h3 {
  position: relative;
  margin: 2.6em 0 1.1em;
  padding: 0 0 10px 20px;
  font-size: 19px; font-weight: 700; line-height: 1.6;
  border-bottom: 1px solid var(--line);
}
.entry-content h3::before {
  content: "";
  position: absolute; left: 0; top: .32em;
  width: 8px; height: 1.1em;
  background: var(--brass);
  transform: skewX(-14deg);
}
.entry-content h4 { margin: 2em 0 .8em; font-size: 17px; color: var(--brass-hi); }
.entry-content strong {
  font-weight: 700;
  background: linear-gradient(transparent 62%, rgba(201,160,76,.35) 62%);
}
.entry-content a:not([class]) { color: var(--brass-hi); text-decoration: underline; text-underline-offset: 3px; }
.entry-content a:not([class]):hover { color: #fff; }
.entry-content ul:not([class]),
.entry-content ol:not([class]) {
  margin: 0 0 1.8em; padding: 20px 24px 20px 44px;
  background: var(--cabinet);
  border: 1px solid var(--line);
}
.entry-content ul:not([class]) li::marker { color: var(--red-hi); }
.entry-content ol:not([class]) li::marker { color: var(--brass); font-family: var(--f-en); font-weight: 700; }
.entry-content figure { margin: 2.4em 0; }
.entry-content figcaption { margin-top: 8px; font-size: 12px; color: var(--ash); }
.entry-content blockquote {
  position: relative;
  margin: 2.2em 0;
  padding: 26px 28px 22px 70px;
  background: var(--cabinet);
  border-left: 3px solid var(--brass);
  color: var(--bone-dim);
}
.entry-content blockquote::before {
  content: "“";
  position: absolute; left: 20px; top: 4px;
  font-family: Georgia, serif; font-size: 64px; line-height: 1; color: var(--brass);
}
.entry-content blockquote p:last-child { margin-bottom: 0; }
.entry-content cite { display: block; margin-top: 10px; font-size: 12px; font-style: normal; color: var(--ash); }

.table-wrap { margin: 2.2em 0; overflow-x: auto; -webkit-overflow-scrolling: touch; }
.table-wrap table { width: 100%; min-width: 540px; border-collapse: collapse; font-size: 14.5px; line-height: 1.75; }
.table-wrap th, .table-wrap td { padding: 12px 14px; border: 1px solid var(--line); text-align: left; vertical-align: top; }
.table-wrap thead th { background: #30323A; color: var(--brass-hi); font-weight: 700; white-space: nowrap; }
.table-wrap tbody tr:nth-child(even) { background: rgba(255,255,255,.025); }
.table-wrap tbody th { background: rgba(255,255,255,.03); white-space: nowrap; }

/* 目次（セットリスト風） */
.toc {
  margin: 2.6em 0;
  padding: 24px 28px 18px;
  background:
    linear-gradient(180deg, rgba(255,255,255,.03), transparent),
    var(--cabinet);
  border: 1px solid var(--line);
  border-top: 3px solid var(--red);
}
.toc__head { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 8px; }
.toc__title { margin: 0; font-family: var(--f-display); font-weight: 400; font-size: 20px; line-height: 1.4; }
.toc__title small { margin-left: 10px; font-family: var(--f-body); font-size: 12px; color: var(--ash); }
.toc__toggle {
  padding: 4px 14px;
  font-size: 12px; font-weight: 700;
  color: var(--bone-dim); background: transparent;
  border: 1px solid var(--line); border-radius: 40px;
  cursor: pointer;
}
.toc__toggle:hover { border-color: var(--brass); color: var(--brass-hi); }
.toc__list { list-style: none; margin: 0; padding: 0; counter-reset: track; }
.toc__list[hidden] { display: none; }
.toc__list li { counter-increment: track; border-bottom: 1px dashed var(--line); }
.toc__list li:last-child { border-bottom: 0; }
.toc__list a {
  display: grid; grid-template-columns: 48px minmax(0, 1fr); gap: 6px; align-items: baseline;
  padding: 11px 0;
  font-size: 15px; font-weight: 500; line-height: 1.6;
  color: var(--bone);
  transition: color .2s;
}
.toc__list a::before {
  content: counter(track, decimal-leading-zero);
  font-family: var(--f-en); font-weight: 900; font-size: 22px; line-height: 1;
  color: var(--red-hi);
}
.entry-content .toc__list a { color: var(--bone); text-decoration: none; }
.entry-content .toc__list a:hover,
.toc__list a:hover { color: var(--brass-hi); }

/* 作品データボックス */
.album-box {
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr);
  gap: 26px;
  margin: 2.6em 0;
  padding: 26px;
  background: linear-gradient(135deg, #292A30, #1F2025);
  border: 1px solid var(--line);
  border-top: 3px solid var(--brass);
  line-height: 1.7;
}
.album-box__label { margin: 0; font-size: 12px; font-weight: 700; color: var(--brass); }
.album-box__title { margin: 4px 0 2px; font-family: var(--f-display); font-weight: 400; font-size: 22px; line-height: 1.4; }
.album-box__artist { margin: 0 0 16px; color: var(--bone-dim); font-size: 15px; }
.album-box__data { display: grid; grid-template-columns: auto 1fr; gap: 4px 18px; margin: 0 0 16px; font-size: 14px; }
.album-box__data dt { color: var(--ash); }
.album-box__data dd { margin: 0; }
.tracks {
  margin: 0; padding: 14px 0 0 1.6em;
  border-top: 1px solid var(--line);
  font-size: 14px;
  columns: 2; column-gap: 32px;
}
.tracks li { break-inside: avoid; }
.tracks li::marker { font-family: var(--f-en); font-weight: 700; color: var(--brass); }
.album-box__note { margin: 14px 0 0; font-size: 12px; color: var(--ash); }

.point-box {
  margin: 2.2em 0;
  padding: 20px 24px;
  background: rgba(196,22,28,.08);
  border: 1px solid rgba(196,22,28,.55);
  border-radius: 2px;
}
.point-box__title { display: flex; align-items: center; gap: 8px; margin: 0 0 8px; font-weight: 700; color: var(--red-hi); }
.point-box__title::before { content: ""; width: 10px; height: 10px; border-radius: 50%; background: var(--red-hi); box-shadow: 0 0 8px var(--red-hi); }
.point-box p:last-child, .point-box ul:last-child { margin-bottom: 0; }
.point-box ul { margin: 0; padding-left: 1.3em; }

.author-box {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 22px;
  margin-top: 56px;
  padding: 26px;
  background: var(--cabinet);
  border: 1px solid var(--line);
}
.author-box .avatar { width: 96px; height: 96px; font-size: 32px; }
.author-box__label { margin: 0; font-size: 12px; font-weight: 700; color: var(--brass); }
.author-box__name { margin: 2px 0 10px; font-size: 18px; font-weight: 700; }
.author-box__text { margin: 0 0 16px; font-size: 14px; color: var(--bone-dim); line-height: 1.9; }

.post-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 32px; }
.post-nav a {
  display: block; height: 100%;
  padding: 18px 20px;
  background: var(--cabinet);
  border: 1px solid var(--line);
  font-size: 14px; font-weight: 500; line-height: 1.65;
  transition: border-color .2s;
}
.post-nav a:hover { border-color: var(--brass); }
.post-nav small { display: block; margin-bottom: 6px; font-size: 12px; font-weight: 700; color: var(--brass); }
.post-nav__next { text-align: right; }

.related { margin-top: 72px; }
.related .post-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 32px 22px; }
.related .post-card__title { font-size: 15px; }

/* ---------- 09. Share buttons ---------- */
.share { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; margin: 26px 0 36px; }
.share__label { margin-right: 4px; font-size: 13px; font-weight: 700; color: var(--ash); }
.share__list { display: flex; flex-wrap: wrap; gap: 10px; list-style: none; margin: 0; padding: 0; }
.share__btn {
  --sns: #333;
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  width: 42px; height: 42px;
  border-radius: 50%;
  font-size: 13px; font-weight: 900; line-height: 1;
  color: #fff; background: var(--sns);
  border: 0; cursor: pointer;
  transition: transform .15s, filter .15s;
}
.share__btn:hover { transform: translateY(-2px); filter: brightness(1.12); }
.share__btn svg { width: 18px; height: 18px; flex: none; }
.share__btn--x { --sns: #000; box-shadow: inset 0 0 0 1px #4A4C53; }
.share__btn--facebook { --sns: #1877F2; }
.share__btn--line { --sns: #06C755; font-size: 11px; }
.share__btn--hatena { --sns: #00A4DE; font-family: Verdana, sans-serif; }
.share__btn--threads { --sns: #000; box-shadow: inset 0 0 0 1px #4A4C53; font-size: 18px; font-weight: 700; }
.share__btn--copy { --sns: var(--panel); box-shadow: inset 0 0 0 1px #4A4C53; }

.share--end {
  flex-direction: column; align-items: stretch; gap: 16px;
  margin: 56px 0 0;
  padding: 28px 26px;
  background:
    radial-gradient(ellipse 60% 120% at 100% 0%, rgba(196,22,28,.18), transparent 60%),
    var(--cabinet);
  border: 1px solid var(--line);
}
.share--end .share__label { margin: 0; text-align: center; font-family: var(--f-display); font-weight: 400; font-size: 18px; color: var(--bone); }
.share--end .share__list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.share--end .share__btn { width: 100%; height: 48px; border-radius: 2px; font-size: 14px; font-weight: 700; }
.share--end .share__btn--line, .share--end .share__btn--threads { font-size: 14px; }
.share__glyph { font-weight: 900; }

.toast {
  position: fixed; left: 50%; bottom: 32px; z-index: 120;
  padding: 12px 22px;
  background: var(--bone); color: #16171A;
  font-size: 14px; font-weight: 700;
  border-radius: 40px;
  box-shadow: 0 10px 30px rgba(0,0,0,.5);
  transform: translate(-50%, 20px); opacity: 0; pointer-events: none;
  transition: transform .25s, opacity .25s;
}
.toast.is-show { transform: translate(-50%, 0); opacity: 1; }

/* ---------- 10. Pages ---------- */
.page-section + .page-section { margin-top: 72px; }
.lead { margin: 0 0 1.6em; font-size: 17px; line-height: 2; color: var(--bone-dim); }

.service-list {
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr));
  list-style: none; margin: 0; padding: 0;
  border-top: 1px solid var(--line); border-left: 1px solid var(--line);
}
.service {
  padding: 28px 26px;
  border-right: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.service__icon {
  width: 48px; height: 48px;
  display: grid; place-items: center;
  color: var(--g); border: 1px solid color-mix(in srgb, var(--g) 55%, transparent);
  border-radius: 50%;
}
.service__icon svg { width: 22px; height: 22px; }
.service__title { margin: 16px 0 8px; font-family: var(--f-display); font-weight: 400; font-size: 20px; line-height: 1.45; }
.service__text { margin: 0; font-size: 14.5px; color: var(--bone-dim); line-height: 1.9; }

.flow { list-style: none; margin: 0; padding: 0; counter-reset: flow; }
.flow__item {
  position: relative;
  display: grid; grid-template-columns: 60px minmax(0, 1fr); gap: 22px;
  padding-bottom: 32px;
  counter-increment: flow;
}
.flow__item::before {
  content: counter(flow);
  position: relative; z-index: 1;
  width: 56px; height: 56px; border-radius: 50%;
  display: grid; place-items: center;
  font-family: var(--f-en); font-weight: 900; font-size: 26px;
  background: var(--cabinet);
  border: 2px solid var(--red);
}
.flow__item:not(:last-child)::after {
  content: "";
  position: absolute; left: 27px; top: 56px; bottom: 0;
  width: 2px; background: var(--line);
}
.flow__title { margin: 12px 0 4px; font-size: 18px; font-weight: 700; }
.flow__text { margin: 0; font-size: 14.5px; color: var(--bone-dim); }

.note-list { margin: 0; padding-left: 1.3em; color: var(--bone-dim); font-size: 15px; }
.note-list li + li { margin-top: 8px; }

.cta-box {
  margin-top: 80px;
  padding: 48px 28px;
  text-align: center;
  background:
    radial-gradient(ellipse 60% 100% at 50% 120%, rgba(196,22,28,.35), transparent 70%),
    var(--grille);
  border: 1px solid var(--line);
}
.cta-box__title { margin: 0 0 12px; font-family: var(--f-display); font-weight: 400; font-size: clamp(22px, 3vw, 30px); line-height: 1.45; }
.cta-box__text { margin: 0 0 28px; color: var(--bone-dim); }

.form { display: grid; gap: 26px; }
.form__label { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; font-size: 15px; font-weight: 700; }
.form__badge { padding: 1px 8px; font-size: 11px; font-weight: 700; border-radius: 2px; background: var(--red); color: #fff; }
.form__badge--opt { background: var(--panel); color: var(--bone-dim); }
.form__input {
  width: 100%;
  padding: 14px 16px;
  font: inherit; font-size: 16px;
  color: var(--bone);
  background: var(--cabinet);
  border: 1px solid var(--line); border-radius: 2px;
  transition: border-color .2s, box-shadow .2s;
}
.form__input::placeholder { color: #6E6B66; }
.form__input:focus { outline: none; border-color: var(--brass); box-shadow: 0 0 0 3px rgba(201,160,76,.2); }
.form__input[aria-invalid="true"] { border-color: var(--red-hi); }
select.form__input {
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--bone) 50%), linear-gradient(135deg, var(--bone) 50%, transparent 50%);
  background-position: calc(100% - 22px) 50%, calc(100% - 16px) 50%;
  background-size: 6px 6px; background-repeat: no-repeat;
  padding-right: 44px;
}
textarea.form__input { min-height: 220px; resize: vertical; line-height: 1.8; }
.form__help { margin: 6px 0 0; font-size: 12px; color: var(--ash); }
.form__error { margin: 6px 0 0; font-size: 13px; font-weight: 700; color: var(--red-hi); }
.form__agree { display: flex; align-items: flex-start; justify-content: center; gap: 10px; font-size: 14px; }
.form__agree input { width: 18px; height: 18px; margin-top: 4px; accent-color: var(--red); }
.form__agree a { color: var(--brass-hi); text-decoration: underline; text-underline-offset: 3px; }
.form__submit { text-align: center; }
.form__status {
  padding: 16px 20px;
  border: 1px solid var(--brass);
  background: rgba(201,160,76,.1);
  font-size: 14px; font-weight: 500;
}
.form__status[hidden] { display: none; }

/* ---------- 11. Footer / Page top ---------- */
.site-footer {
  position: relative;
  background: #141518;
  border-top: 1px solid var(--line);
  padding: 56px 0 28px;
}
.site-footer::before { /* アンプのパイピング */
  content: "";
  position: absolute; left: 0; right: 0; top: -1px; height: 2px;
  background: linear-gradient(90deg, var(--red), var(--brass));
  opacity: .8;
}
.site-footer__inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 24px 40px; }
.fnav ul { display: flex; flex-wrap: wrap; gap: 6px 26px; list-style: none; margin: 0; padding: 0; font-size: 14px; }
.fnav a:hover { color: var(--brass-hi); }
.copyright {
  margin: 40px 0 0; padding-top: 22px;
  border-top: 1px solid var(--line);
  font-family: var(--f-en); font-weight: 600; font-size: 13px; letter-spacing: .06em;
  color: var(--ash);
}
.pagetop {
  position: fixed; right: 20px; bottom: 20px; z-index: 55;
  width: 52px; height: 52px; border-radius: 50%;
  display: grid; place-items: center;
  color: var(--bone);
  background: radial-gradient(circle at 36% 28%, #5A5D65 0%, #24252A 55%, #0B0B0D 100%);
  box-shadow: 0 6px 16px rgba(0,0,0,.6), inset 0 1px 1px rgba(255,255,255,.25);
  border: 0; cursor: pointer;
  opacity: 0; visibility: hidden; transform: translateY(10px);
  transition: opacity .25s, transform .25s, visibility .25s;
}
.pagetop.is-show { opacity: 1; visibility: visible; transform: none; }
.pagetop svg { width: 20px; height: 20px; }

/* ---------- 12. Responsive ---------- */
@media (max-width: 1080px) {
  .layout { grid-template-columns: minmax(0, 1fr) 290px; gap: 40px; }
  .amp__inner { gap: 24px; }
  .knob-link__en { display: none; }
}

@media (max-width: 960px) {
  :root { --header-h: 66px; }
  .site-header { background: var(--steel); -webkit-backdrop-filter: none; backdrop-filter: none; }
  .logo__name { font-size: 26px; }
  .nav-toggle { display: block; }
  .gnav {
    position: fixed; left: 0; right: 0; top: var(--header-h); bottom: 0;
    padding: 12px 24px 40px;
    overflow-y: auto;
    background: var(--grille);
    transform: translateX(100%);
    visibility: hidden;
    transition: transform .3s ease, visibility .3s;
  }
  .gnav.is-open { transform: none; visibility: visible; }
  .gnav > ul { flex-direction: column; align-items: stretch; }
  .gnav a { padding: 16px 4px; font-size: 16px; border-bottom: 1px solid var(--line); }
  .gnav > ul > li > a[aria-current="page"] { color: var(--brass-hi); }
  .gnav > ul > li > a[aria-current="page"]::after { left: auto; right: 8px; bottom: auto; top: 50%; margin-top: -3px; }
  .has-sub > a::before { display: none; }
  .sub-menu {
    position: static;
    min-width: 0; padding: 4px 0 8px 14px;
    background: transparent; border: 0; box-shadow: none;
    opacity: 1; visibility: inherit; transform: none;
  }
  .sub-menu a { padding: 10px 4px; font-size: 15px; border-bottom: 0; }

  .layout { grid-template-columns: minmax(0, 1fr); gap: 72px; padding-block: 48px 80px; }
  .sidebar { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 44px 32px; }
  .sidebar .widget--search { grid-column: 1 / -1; }

  .hero__body { padding: 64px 0 48px; }
  .amp__inner { padding-block: 22px 18px; }
  .amp__side--jack { display: none; }
  .amp__knobs {
    overflow-x: auto; justify-content: flex-start; gap: 26px;
    padding: 4px 36px 6px 12px; scrollbar-width: none;
    -webkit-mask-image: linear-gradient(90deg, #000 85%, transparent);
            mask-image: linear-gradient(90deg, #000 85%, transparent);
  }
  .amp__knobs::-webkit-scrollbar { display: none; }
  .knob-link { min-width: 72px; }
  .related .post-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 640px) {
  body { font-size: 15px; }
  .wrap { padding-inline: 18px; }
  .site-header .logo__tag { display: none; }
  .hero__title { margin: 14px 0 20px; }
  .beam { width: 70vw; }
  .hero__hint { right: 18px; bottom: 12px; }
  .amp__side--power { display: none; }
  .sec-title__ja { font-size: 23px; }
  .post-grid { grid-template-columns: minmax(0, 1fr); gap: 36px; }
  .post-card--feature { grid-template-columns: minmax(0, 1fr); gap: 16px; padding-bottom: 36px; }
  .post-card--feature .post-card__title { font-size: 21px; }
  .sidebar { grid-template-columns: minmax(0, 1fr); }
  .related .post-grid { grid-template-columns: minmax(0, 1fr); }
  .entry-content { font-size: 16px; }
  .entry-content h2 { font-size: 20px; padding: 14px 14px 14px 18px; }
  .entry-content h3 { font-size: 17px; }
  .toc { padding: 20px 18px 14px; }
  .album-box { grid-template-columns: minmax(0, 1fr); padding: 20px; }
  .album-box .sleeve { max-width: 200px; }
  .tracks { columns: 1; }
  .author-box { grid-template-columns: minmax(0, 1fr); text-align: center; }
  .author-box .avatar { margin-inline: auto; }
  .post-nav { grid-template-columns: minmax(0, 1fr); }
  .post-nav__next { text-align: left; }
  .share--end .share__list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .service-list { grid-template-columns: minmax(0, 1fr); }
  .service { padding: 24px 20px; }
  .cta-box { padding: 40px 20px; }
  .pagination a, .pagination span { min-width: 40px; height: 40px; font-size: 16px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation: none !important; }
  .hero.is-hit .beam { opacity: var(--o); }
  .hero__intro, .hero__text { transition: none !important; }
  .hero__hint { display: none; }
}