/* =========================================================
   FROM美術 / ART Platform — prototype stylesheet
   palette: black / gray / white  +  accent #235BC8 / #F15A22
   ========================================================= */

:root {
    --bg:        #fcfcfc;
    --bg-dark:   #0e0e10;
    --bg-soft:   #f3f3f4;
    --fg:        #111114;
    --fg-mute:   #5f6168;
    --line:      #e3e3e6;
    --line-dark: #2a2a2e;
    --accent:    #235BC8;   /* Sea blue */
    --accent2:   #F15A22;   /* 差し色 */

    --max:       1240px;
    --pad-x:     6vw;

    --serif:     "Noto Serif JP", "Hiragino Mincho ProN", serif;
    --sans:      "Inter", "Noto Sans JP", "Helvetica Neue", "Hiragino Kaku Gothic ProN", sans-serif;

    --t:         cubic-bezier(.2,.7,.2,1);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: var(--sans);
    background: var(--bg);
    color: var(--fg);
    line-height: 1.7;
    font-feature-settings: "palt";
    -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; padding: 0; margin: 0; }

/* ========== shared utility ========== */
.accent { color: var(--accent); }

.tag {
    display: inline-block;
    font-size: 10px;
    letter-spacing: 0.12em;
    font-weight: 700;
    padding: 4px 10px;
    border: 1px solid currentColor;
    border-radius: 999px;
    text-transform: uppercase;
    color: var(--fg);
}
.tag--blue   { background: var(--accent); color: #fff; border-color: var(--accent); }
.tag--orange { background: var(--accent2); color: #fff; border-color: var(--accent2); }

.date {
    font-family: var(--sans);
    font-size: 11px;
    letter-spacing: 0.1em;
    color: var(--fg-mute);
    text-transform: uppercase;
}

/* ========== brand mark ========== */
.brand-mark {
    display: inline-flex;
    align-items: center;
    font-family: var(--sans);
    font-weight: 900;
    letter-spacing: -0.02em;
    line-height: 1;
}
.brand-mark__jp,
.brand-mark__en {
    font-family: var(--sans);
    font-weight: 900;
}

/* ============================================================
   伏流ロゴ画像（fukuryu-logo.png）
   ------------------------------------------------------------
   透過背景PNG・黒線画。そのまま表示すれば黒い文字として読める。
   高さだけ指定して幅は auto（自然アスペクト ≈ 1.96:1）。
   margin-left のマイナス値で全体をわずかに左に寄せている。
   ============================================================ */
.brand-mark__img,
.hero__logo-img,
.site-footer__logo {
    display: block;
    width: auto;
    object-fit: contain;
    object-position: left center;
}

/* ヘッダー用（小） */
.brand-mark__img {
    height: 36px;
    margin-left: -6px;
}

/* ヒーロー用（大） */
.hero__logo-img {
    max-width: 100%;
    height: 175px;
    margin: 0 auto;
}

/* フッター用（中） */
.site-footer__logo {
    height: 44px;
    margin-left: -6px;
    margin-bottom: 4px;
}

/* スマホ調整 */
@media (max-width: 640px) {
    .brand-mark__img { height: 30px; margin-left: -4px; }
    .hero__logo-img { height: 150px; margin: 0 auto; }
}

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(252,252,252,0.92);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
}

/* ---- 上部: ON AIR ステータスバー ---- */
.site-header__status {
    background: var(--accent);
    color: #fff;
    overflow: hidden;
}
.site-header__status-inner {
    max-width: var(--max);
    margin: 0 auto;
    padding: 9px var(--pad-x);
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 11px;
    letter-spacing: 0.05em;
}
.status-pulse {
    position: relative;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #F15A22;
    flex-shrink: 0;
}
.status-pulse::before {
    content: "";
    position: absolute;
    inset: -5px;
    border-radius: 50%;
    border: 1.5px solid #F15A22;
    animation: status-pulse 1.6s ease-out infinite;
    opacity: 0;
}
@keyframes status-pulse {
    0%   { opacity: 1; transform: scale(0.5); }
    100% { opacity: 0; transform: scale(2.0); }
}
.status-label {
    color: #F15A22;
    font-weight: 800;
    letter-spacing: 0.22em;
    flex-shrink: 0;
}
.status-current {
    color: rgba(255,255,255,.88);
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.status-date {
    color: rgba(255,255,255,.5);
    font-family: var(--serif);
    font-weight: 500;
    flex-shrink: 0;
    letter-spacing: 0.1em;
}

/* ---- 中部: メインヘッダー ---- */
.header-inner {
    max-width: var(--max);
    margin: 0 auto;
    padding: 16px var(--pad-x);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

/* ブランドマーク（ロゴ + サブタイトル） */
.brand-mark {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
}
.brand-mark__name {
    display: inline-flex;
    align-items: baseline;
    line-height: 1;
}
.brand-mark__sub {
    font-family: var(--sans);
    font-weight: 500;
    font-size: 9px;
    letter-spacing: 0.22em;
    color: var(--fg-mute);
    text-transform: uppercase;
}
.site-header .brand-mark {
    font-size: 24px;
    letter-spacing: -0.05em;
}
.site-header .brand-mark__en {
    margin-left: -0.02em;       /* FUKU と LIU を自然に詰める */
}

/* グローバルナビ（ナンバリング付き） */
.global-nav ul {
    display: flex;
    gap: clamp(16px, 2.1vw, 30px);
}
.global-nav a {
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.02em;
    position: relative;
    padding: 6px 0;
    display: inline-flex;
    align-items: baseline;
    gap: 5px;
    transition: color .25s var(--t);
}
.global-nav a:hover { color: var(--fg); }
.global-nav a[aria-current="page"] { color: var(--fg); }
.global-nav a::after {
    content: "";
    position: absolute;
    left: 0; bottom: 0;
    width: 0; height: 2px;
    background: var(--accent);
    transition: width .3s var(--t);
}
.global-nav a:hover::after { width: 100%; }
.global-nav a[aria-current="page"]::after { width: 100%; }

/* ハンバーガー */
.nav-toggle {
    display: none;
    background: transparent;
    border: 0;
    width: 28px; height: 22px;
    flex-direction: column;
    justify-content: space-between;
    cursor: pointer;
    padding: 0;
}
.nav-toggle span {
    display: block;
    height: 1.5px;
    background: var(--fg);
}

/* ---- 下部: アクセントストリップ（青＋オレンジ） ---- */
.site-header__bar {
    height: 3px;
    background:
        linear-gradient(to right,
            var(--accent) 0%,
            var(--accent) 22%,
            transparent 22%,
            transparent 26%,
            var(--accent) 26%,
            var(--accent) 62%,
            #F15A22 62%,
            #F15A22 86%,
            transparent 86%,
            transparent 100%);
}

/* ---- レスポンシブ：ステータスバー ---- */
@media (max-width: 800px) {
    .status-current {
        font-size: 10px;
    }
    .status-date { display: none; }
}
@media (max-width: 540px) {
    .status-label { display: none; }
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
    position: relative;
    max-width: 100%;
    margin: 0 auto;
    padding: 80px var(--pad-x) 60px;
    overflow: hidden;
    background-image: url('hero-bg.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}
.hero__bg-text {
    position: absolute;
    right: -2vw;
    top: 30px;
    font-family: var(--serif);
    font-weight: 900;
    font-size: clamp(180px, 30vw, 420px);
    color: var(--bg-soft);
    line-height: .8;
    letter-spacing: -0.04em;
    pointer-events: none;
    user-select: none;
    z-index: 0;
}
.hero__main {
    position: relative;
    z-index: 1;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-bottom: 64px;
}
.hero__eyebrow {
    font-size: 12px;
    letter-spacing: 0.2em;
    color: var(--fg-mute);
    margin: 0 0 28px;
    text-transform: uppercase;
}
.hero__logo {
    margin: 0;
    font-size: clamp(64px, 12vw, 200px);
    line-height: .9;
    letter-spacing: -0.04em;
    font-weight: 900;
    display: flex;
    justify-content: center;
    align-items: baseline;
    flex-wrap: wrap;
}
.hero__logo-jp,
.hero__logo-en {
    font-family: var(--sans);
    font-weight: 900;
}
.hero__logo-en {
    margin-left: 0;
    color: var(--fg);
    position: relative;
}
.hero__logo-en::after {
    content: "";
    display: inline-block;
    width: 0.18em; height: 0.18em;
    background: var(--accent);
    border-radius: 50%;
    margin-left: 0.12em;
    vertical-align: top;
    transform: translateY(0.15em);
}
.hero__tagline {
    margin-top: 32px;
    font-size: clamp(16px, 1.6vw, 20px);
    line-height: 1.9;
    color: var(--fg);
    text-align: center;
    white-space: nowrap;
}

/* Featured story link */
.hero__feature {
    position: relative;
    z-index: 1;
    display: block;
    margin-top: 64px;
    padding: 28px 32px;
    border: 1px solid var(--line);
    border-radius: 4px;
    background: #fff;
    transition: transform .35s var(--t), box-shadow .35s var(--t), border-color .35s var(--t);
    max-width: 760px;
}
.hero__feature:hover {
    transform: translateY(-3px);
    box-shadow: 0 18px 50px rgba(35, 91, 200, .10);
    border-color: var(--accent);
}
.hero__feature-meta {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 14px;
}
.hero__feature-title {
    font-family: var(--serif);
    font-weight: 700;
    font-size: clamp(20px, 2.2vw, 26px);
    line-height: 1.6;
    margin: 0 0 18px;
}
.hero__feature-link {
    font-size: 12px;
    letter-spacing: 0.18em;
    font-weight: 700;
    color: var(--accent);
}

/* ============================================================
   FEATURED REEL — センターフォーカスカルーセル
   ============================================================ */
.featured-reel {
    background: var(--accent);
    padding: 52px 0 60px;
    overflow: hidden;
}
.featured-reel__head {
    max-width: var(--max);
    margin: 0 auto 36px;
    padding: 0 var(--pad-x);
}
.featured-reel__label {
    display: block;
    font-size: 11px;
    letter-spacing: 0.24em;
    font-weight: 700;
    color: rgba(255,255,255,0.50);
    text-transform: uppercase;
    margin-bottom: 8px;
}
.featured-reel__subtitle {
    margin: 0;
    font-family: var(--serif);
    font-size: clamp(20px, 2.5vw, 28px);
    font-weight: 900;
    color: #fff;
    letter-spacing: -0.01em;
}

/* Stage: arrow + track-wrap */
.featured-reel__stage {
    position: relative;
}
.featured-reel__track-wrap {
    overflow: hidden;
}
.featured-reel__track {
    display: flex;
    gap: 24px;
    transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    will-change: transform;
    user-select: none;
}

/* ---- Reel Card — dimmed default ---- */
.reel-card {
    flex: 0 0 clamp(260px, 36vw, 440px);
    background: rgba(255,255,255,0.10);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: 8px;
    padding: 32px 32px 26px;
    color: rgba(255,255,255,0.45);
    display: flex;
    flex-direction: column;
    gap: 14px;
    text-decoration: none;
    opacity: 0.5;
    transform: scale(0.92);
    transition: opacity 0.45s ease, transform 0.45s ease,
                background 0.45s ease, color 0.45s ease,
                box-shadow 0.45s ease;
    min-height: 210px;
    cursor: pointer;
}

/* ---- Active card — 白く明るく ---- */
.reel-card.is-active {
    background: #fff;
    border-color: transparent;
    color: var(--fg);
    opacity: 1;
    transform: scale(1);
    box-shadow: 0 24px 72px rgba(0,0,0,0.28);
    pointer-events: auto;
}

.reel-card__type {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 10px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    font-weight: 700;
    color: rgba(255,255,255,0.35);
    transition: color 0.45s ease;
}
.reel-card.is-active .reel-card__type { color: var(--accent); }

.reel-card__title {
    font-family: var(--serif);
    font-size: clamp(15px, 1.6vw, 20px);
    font-weight: 700;
    line-height: 1.55;
    margin: 0;
    flex: 1;
    color: inherit;
}
.reel-card__meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 11px;
    color: inherit;
    margin-top: auto;
    padding-top: 14px;
    border-top: 1px solid rgba(255,255,255,0.12);
    transition: border-color 0.45s ease;
    opacity: 0.75;
}
.reel-card.is-active .reel-card__meta {
    border-top-color: var(--line);
    color: var(--fg-mute);
    opacity: 1;
}
.reel-card__platform { font-weight: 600; }

/* ---- Arrows ---- */
.reel-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(255,255,255,0.14);
    border: 1px solid rgba(255,255,255,0.25);
    color: #fff;
    cursor: pointer;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s, opacity 0.2s;
    padding: 0;
}
.reel-arrow:hover:not(:disabled) { background: rgba(255,255,255,0.28); }
.reel-arrow:disabled { opacity: 0.2; cursor: default; pointer-events: none; }
.reel-arrow--prev { left: clamp(10px, 2.5vw, 44px); }
.reel-arrow--next { right: clamp(10px, 2.5vw, 44px); }

/* ---- Pagination bars ---- */
.reel-pagination {
    display: flex;
    gap: 6px;
    justify-content: center;
    margin-top: 40px;
    padding: 0 var(--pad-x);
}
.reel-bar {
    height: 3px;
    flex: 0 0 22px;
    border-radius: 2px;
    background: rgba(255,255,255,0.22);
    border: none;
    cursor: pointer;
    padding: 0;
    transition: flex 0.35s ease, background 0.25s;
}
.reel-bar.is-active {
    flex: 0 0 52px;
    background: #fff;
}

@media (max-width: 640px) {
    .featured-reel { padding: 40px 0 48px; }
    .reel-card { flex: 0 0 clamp(240px, 70vw, 300px); min-height: 180px; padding: 24px; }
    .reel-arrow { width: 36px; height: 36px; }
    .reel-arrow--prev { left: 8px; }
    .reel-arrow--next { right: 8px; }
}

/* ============================================================
   FEATURE STRIP (now-on-air ticker)
   ============================================================ */
.feature-strip {
    background: var(--fg);
    color: #fff;
    overflow: hidden;
}
.feature-strip__inner {
    max-width: var(--max);
    margin: 0 auto;
    padding: 16px var(--pad-x);
    display: flex;
    align-items: center;
    gap: 24px;
}
.feature-strip__label {
    flex-shrink: 0;
    font-size: 11px;
    letter-spacing: 0.2em;
    font-weight: 700;
    color: var(--accent2);
    text-transform: uppercase;
    border-right: 1px solid var(--line-dark);
    padding-right: 24px;
}
.ticker {
    display: flex;
    gap: 18px;
    font-size: 13px;
    letter-spacing: 0.04em;
    white-space: nowrap;
    overflow: hidden;
}
.ticker span { opacity: 0.85; }

/* ============================================================
   PROGRAM SECTION (shared)
   ============================================================ */
.program {
    max-width: var(--max);
    margin: 0 auto;
    padding: 100px var(--pad-x);
    border-top: 2px solid var(--accent);
}
.program--dark {
    max-width: none;
    margin: 0;
    background: var(--bg-dark);
    color: #fff;
    border-top: 0;
}
.program--dark .program__more,
.program--dark .program__label,
.program--dark .program__title,
.program--dark .program__desc { color: #fff; }
.program--dark .program__label { color: rgba(255,255,255,0.55); }
.program--dark .program__more { border-bottom-color: #fff; }
.program--dark .program__inner,
.program--dark .program__head,
.program--dark .card-grid--video {
    max-width: var(--max);
    margin-left: auto;
    margin-right: auto;
}
.program--dark > .program__head,
.program--dark > .card-grid {
    padding-left: var(--pad-x);
    padding-right: var(--pad-x);
}

.program__head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 32px;
    margin-bottom: 56px;
    flex-wrap: wrap;
}
.program__head-text { max-width: 680px; }
.program__label {
    display: inline-block;
    font-size: 11px;
    letter-spacing: 0.22em;
    color: var(--accent);
    text-transform: uppercase;
    margin-bottom: 18px;
    font-weight: 700;
}
.program__title {
    font-family: var(--serif);
    font-weight: 900;
    font-size: clamp(32px, 4.5vw, 56px);
    line-height: 1.2;
    margin: 0 0 18px;
    letter-spacing: -0.02em;
}
.program__desc {
    margin: 0;
    color: var(--fg-mute);
    font-size: 15px;
    max-width: 560px;
}
.program__more {
    display: inline-block;
    font-size: 12px;
    letter-spacing: 0.18em;
    font-weight: 700;
    border-bottom: 1px solid currentColor;
    padding-bottom: 4px;
    transition: color .25s var(--t), letter-spacing .25s var(--t);
}
.program__more:hover {
    color: var(--accent);
    letter-spacing: 0.22em;
}

/* ============================================================
   CARDS — RADIO
   ============================================================ */
.card-grid {
    display: grid;
    gap: 32px;
}
.card-grid--radio {
    grid-template-columns: 1.4fr 1fr 1fr;
}
.card {
    display: flex;
    flex-direction: column;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 2px;
    overflow: hidden;
    transition: transform .35s var(--t), box-shadow .35s var(--t), border-color .35s var(--t);
}
.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 18px 40px rgba(0,0,0,.06);
    border-color: var(--accent);
}
.card__media {
    aspect-ratio: 16 / 10;
    background:
        linear-gradient(135deg, #1c1c20 0%, #2c2c33 100%);
    position: relative;
    color: #fff;
}
.card__media::before {
    content: attr(data-num);
    position: absolute;
    bottom: 16px; left: 20px;
    font-family: var(--serif);
    font-weight: 900;
    font-size: 84px;
    line-height: 1;
    color: rgba(255,255,255,.85);
    letter-spacing: -0.04em;
}
.card__media::after {
    content: "RADIO";
    position: absolute;
    top: 16px; left: 20px;
    font-size: 10px;
    letter-spacing: 0.3em;
    color: var(--accent2);
    font-weight: 700;
}
.card--lg .card__media { aspect-ratio: 16 / 11; }
.card__body {
    padding: 22px 24px 26px;
    display: flex;
    flex-direction: column;
    flex: 1;
    gap: 12px;
}
.card__meta {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}
.card__title {
    font-family: var(--serif);
    font-weight: 700;
    font-size: 17px;
    line-height: 1.55;
    margin: 0;
    letter-spacing: -0.005em;
}
.card--lg .card__title { font-size: 22px; line-height: 1.5; }
.card__excerpt {
    font-size: 13px;
    color: var(--fg-mute);
    margin: 0;
    line-height: 1.8;
}
.card__link {
    margin-top: auto;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.16em;
    color: var(--accent);
}

/* ============================================================
   CARDS — VIDEO
   ============================================================ */
.card-grid--video {
    grid-template-columns: repeat(4, 1fr);
}
.card-grid--video .card--feature {
    grid-column: span 2;
    grid-row: span 1;
}
.card--video {
    background: #1a1a1d;
    border-color: #28282d;
}
.card--video:hover { border-color: var(--accent); }
.card--video .card__title { color: #fff; font-family: var(--sans); font-weight: 700; }
.card--video .card__excerpt { color: rgba(255,255,255,.65); }
.card__thumb {
    aspect-ratio: 16 / 9;
    background:
        radial-gradient(circle at 30% 30%, #2a2a30 0%, #0c0c0f 70%);
    position: relative;
    overflow: hidden;
}
.card__thumb::after {
    content: "";
    position: absolute; inset: 0;
    background:
        repeating-linear-gradient(45deg, rgba(255,255,255,.02) 0 2px, transparent 2px 6px);
}
.card__thumb .play {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%,-50%);
    width: 56px; height: 56px;
    background: rgba(255,255,255,.92);
    color: var(--fg);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 16px;
    transition: transform .3s var(--t);
}
.card--video:hover .card__thumb .play { transform: translate(-50%,-50%) scale(1.1); background: var(--accent); color: #fff; }
.card__thumb .duration {
    position: absolute;
    right: 12px; bottom: 12px;
    background: rgba(0,0,0,.7);
    color: #fff;
    padding: 3px 8px;
    font-size: 11px;
    letter-spacing: 0.05em;
    border-radius: 2px;
}
.card--feature .card__thumb { aspect-ratio: 16 / 8; }
.card--feature .card__title { font-size: 22px; line-height: 1.45; }

/* ============================================================
   PROGRAM — SPOTIFY VARIANT (radio)
   ============================================================ */
.program--spotify {
    position: relative;
    max-width: none;
    margin: 0;
    padding: 100px var(--pad-x);
    background: #0a0a0a;
    color: #fff;
    border-top: 0;
    overflow: hidden;
}
.program--spotify .program__bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 70% 55% at 25% 0%, rgba(30, 215, 96, 0.28) 0%, transparent 60%),
        radial-gradient(ellipse 55% 40% at 85% 5%, rgba(30, 215, 96, 0.10) 0%, transparent 60%),
        linear-gradient(180deg, #0d2818 0%, #0a0a0a 70%);
    pointer-events: none;
    z-index: 0;
}
.program--spotify > *:not(.program__bg) { position: relative; z-index: 1; }

.program--spotify .program__head,
.program--spotify .card-grid {
    max-width: var(--max);
    margin-left: auto;
    margin-right: auto;
}
.program--spotify .program__label {
    color: rgba(255,255,255,.65);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.spotify-glyph {
    width: 18px;
    height: 18px;
    fill: #1ED760;
    flex-shrink: 0;
}
.program--spotify .program__title { color: #fff; }
.program--spotify .program__desc { color: rgba(255,255,255,.7); }
.program--spotify .program__more {
    color: #1ED760;
    border-bottom-color: #1ED760;
}
.program--spotify .program__more:hover { color: #fff; border-bottom-color: #fff; }

/* Spotify CTA pill */
.spotify-cta {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-top: 28px;
    padding: 13px 28px 13px 22px;
    background: #1ED760;
    color: #000;
    border-radius: 999px;
    font-weight: 700;
    font-size: 13px;
    letter-spacing: 0.05em;
    transition: transform .2s var(--t), background .2s var(--t);
}
.spotify-cta svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
}
.spotify-cta:hover {
    transform: scale(1.04);
    background: #1FDF64;
    color: #000;
}

/* Cards in Spotify section */
.program--spotify .card {
    background: rgba(255,255,255,.05);
    border: 1px solid rgba(255,255,255,.07);
    border-radius: 12px;
    text-decoration: none;
    color: inherit;
    overflow: hidden;
}
.program--spotify .card:hover {
    background: rgba(255,255,255,.10);
    border-color: rgba(30, 215, 96, .45);
    box-shadow: 0 18px 50px rgba(0,0,0,.5), 0 0 0 1px rgba(30, 215, 96, .15);
    transform: translateY(-6px);
}
.program--spotify .card__media {
    background: linear-gradient(135deg, #0d4d2a 0%, #1a1a1a 100%);
    border-radius: 12px 12px 0 0;
    overflow: hidden;
}
.program--spotify .card__media img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 1;
    transition: transform .5s var(--t), filter .35s var(--t);
}
.program--spotify .card:hover .card__media img {
    transform: scale(1.04);
    filter: brightness(.85);
}
/* hide oversized data-num in spotify cards (image becomes the cover art) */
.program--spotify .card__media::before { display: none; }
.program--spotify .card__media::after {
    content: "PODCAST";
    color: #1ED760;
    background: rgba(0,0,0,.55);
    padding: 4px 10px;
    border-radius: 4px;
    z-index: 2;
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    letter-spacing: 0.22em;
    font-size: 9px;
}
.program--spotify .card__title {
    color: #fff;
    font-family: var(--serif);
}
.program--spotify .card__excerpt { color: rgba(255,255,255,.7); }
.program--spotify .card__link { color: #1ED760; }
.program--spotify .card__meta .date { color: rgba(255,255,255,.55); }

/* tag green */
.tag--green {
    background: #1ED760;
    color: #000;
    border-color: #1ED760;
}

/* ------------------------------------------------------------
   Episode list (Spotify embed cards)
   ------------------------------------------------------------ */
.radio-episodes {
    max-width: var(--max);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}
.radio-card {
    background: rgba(255,255,255,.04);
    border: 1px solid rgba(255,255,255,.08);
    border-radius: 16px;
    overflow: hidden;
    transition: background .25s var(--t), border-color .25s var(--t), transform .3s var(--t);
    display: flex;
    flex-direction: column;
}
.radio-card:hover {
    background: rgba(255,255,255,.07);
    border-color: rgba(30, 215, 96, .3);
    transform: translateY(-3px);
}
.radio-card--featured {
    grid-column: span 2;
    display: grid;
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
    align-items: stretch;
    background: linear-gradient(180deg, rgba(30,215,96,.06), rgba(255,255,255,.04));
    border-color: rgba(30, 215, 96, .25);
}

.radio-card__cover {
    position: relative;
    background: linear-gradient(135deg, #0d4d2a 0%, #1a1a1a 100%);
    aspect-ratio: 16 / 10;
    overflow: hidden;
    flex-shrink: 0;
}
.radio-card--featured .radio-card__cover {
    aspect-ratio: auto;
    min-height: 360px;
}
.radio-card__cover img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .6s var(--t), filter .35s var(--t);
}
.radio-card:hover .radio-card__cover img { transform: scale(1.04); }
.radio-card__badge {
    position: absolute;
    top: 18px;
    left: 18px;
    background: #1ED760;
    color: #000;
    padding: 6px 14px;
    border-radius: 999px;
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    z-index: 2;
}

.radio-card__body {
    padding: 28px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    flex: 1;
    min-width: 0;
}
.radio-card__meta .date { color: rgba(255,255,255,.55); }
.radio-card__title {
    font-family: var(--serif);
    font-weight: 700;
    font-size: 20px;
    line-height: 1.55;
    color: #fff;
    margin: 0;
    letter-spacing: -0.005em;
}
.radio-card--featured .radio-card__title {
    font-size: 28px;
    line-height: 1.45;
}
.radio-card__guest {
    color: #1ED760;
    font-size: 12px;
    margin: 0;
    letter-spacing: 0.04em;
    font-weight: 500;
}
.radio-card__excerpt {
    color: rgba(255,255,255,.7);
    font-size: 13px;
    line-height: 1.85;
    margin: 0;
}
.radio-card__iframe {
    border-radius: 12px;
    margin-top: auto;
    display: block;
    width: 100%;
}
.radio-card__embed-placeholder {
    margin-top: auto;
    height: 152px;
    border-radius: 12px;
    background: rgba(255,255,255,.04);
    border: 1px dashed rgba(255,255,255,.18);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255,255,255,.45);
    font-size: 11px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

@media (max-width: 960px) {
    .radio-episodes { grid-template-columns: 1fr; }
    .radio-card--featured {
        grid-column: span 1;
        grid-template-columns: 1fr;
    }
    .radio-card--featured .radio-card__cover {
        min-height: 220px;
        aspect-ratio: 16 / 10;
    }
    .radio-card--featured .radio-card__title { font-size: 22px; }
}

/* ============================================================
   ARTICLE LIST
   ============================================================ */

/* category palette */
:root {
    --cat-review:   #F15A22;  /* 展示レビュー */
    --cat-essay:    #235BC8;  /* エッセイ */
    --cat-dialogue: #1a1a1a;  /* 対談 */
}

/* legend (記事ヘッダー直下の凡例) */
.cat-legend {
    display: flex;
    gap: 22px;
    margin-top: 22px;
    flex-wrap: wrap;
}
.cat-legend__item {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--fg-mute);
    letter-spacing: 0.04em;
}
.cat-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    display: inline-block;
}
.cat-dot--essay    { background: var(--accent); }
.cat-dot--critique { background: #7b3fbf; }
.cat-dot--blog     { background: #1a9e5c; }
.cat-dot--art      { background: var(--accent2); }
.cat-dot--dialogue { background: #1a1a1a; }

/* category tag (記事行・記事カバー上) */
.tag--essay    { background: var(--accent);  color: #fff; border-color: var(--accent); }
.tag--critique { background: #7b3fbf;        color: #fff; border-color: #7b3fbf; }
.tag--blog     { background: #1a9e5c;        color: #fff; border-color: #1a9e5c; }
.tag--art      { background: var(--accent2); color: #fff; border-color: var(--accent2); }
.tag--dialogue { background: #1a1a1a;        color: #fff; border-color: #1a1a1a; }

/* article feature / TOP STORY */
.article-feature {
    display: block;
    padding: 48px 0 48px 32px;
    border-top: 1px solid var(--line);
    border-left: 4px solid var(--line);
    text-decoration: none;
    color: inherit;
    transition: padding-left .3s var(--t), border-left-color .3s var(--t);
}
.article-feature--link { cursor: pointer; }
.article-feature--link:hover { padding-left: 44px; }
.article-feature--review   { border-left-color: var(--cat-review); }
.article-feature--essay    { border-left-color: var(--cat-essay); }
.article-feature--dialogue { border-left-color: rgba(26,26,26,.5); }
.article-feature--review.article-feature--link:hover   { background: linear-gradient(to right, rgba(241,90,34,.04), transparent 70%); }
.article-feature--essay.article-feature--link:hover    { background: linear-gradient(to right, rgba(35,91,200,.04), transparent 70%); }
.article-feature--dialogue.article-feature--link:hover { background: linear-gradient(to right, rgba(26,26,26,.04), transparent 70%); }

.article-feature__label {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 20px;
}
.article-feature__badge {
    font-size: 10px;
    font-weight: 700;
    letter-spacing: .2em;
    text-transform: uppercase;
    color: var(--fg-mute);
}
.badge--updated {
    display: inline-block;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: .12em;
    padding: 2px 8px;
    border-radius: 999px;
    background: #1a9e5c;
    color: #fff;
    vertical-align: middle;
}
.article-feature__title {
    font-family: var(--serif);
    font-size: clamp(26px, 3.5vw, 40px);
    font-weight: 900;
    line-height: 1.3;
    letter-spacing: -.02em;
    margin: 0 0 18px;
    max-width: 760px;
}
.article-feature--review:hover   .article-feature__title { color: var(--cat-review); }
.article-feature--essay:hover    .article-feature__title { color: var(--cat-essay); }
.article-feature--dialogue:hover .article-feature__title { color: var(--cat-dialogue); }
.article-feature__excerpt {
    font-size: 15px;
    color: var(--fg-mute);
    line-height: 1.9;
    max-width: 640px;
    margin: 0 0 24px;
}
.article-feature__foot {
    display: flex;
    gap: 20px;
    align-items: center;
}
.article-feature__author {
    font-size: 12px;
    letter-spacing: .1em;
    color: var(--fg-mute);
}
.tag--dark { background: #1a1a1a; color: #fff; border-color: #1a1a1a; }

@media (max-width: 640px) {
    .article-feature { padding: 32px 0 32px 18px; }
    .article-feature--link:hover { padding-left: 26px; }
    .article-feature__title { font-size: 22px; }
}

/* article rows */
.article-list { border-top: 2px solid var(--accent); }
.article-row {
    display: grid;
    grid-template-columns: 80px 1fr 160px;
    gap: 32px;
    padding: 28px 0 28px 16px;
    border-bottom: 1px solid var(--line);
    border-left: 3px solid transparent;
    align-items: start;
    transition: padding-left .3s var(--t), border-left-color .3s var(--t), background .3s var(--t);
    text-decoration: none;
    color: inherit;
}
.article-row--link { cursor: pointer; }
.article-row--link:hover { padding-left: 28px; }

/* category-specific accents */
.article-row--review     { border-left-color: rgba(241, 90, 34, .35); }
.article-row--essay      { border-left-color: rgba(35, 91, 200, .35); }
.article-row--dialogue   { border-left-color: rgba(26, 26, 26, .35); }

.article-row--review:hover {
    border-left-color: var(--cat-review);
    background: linear-gradient(to right, rgba(241,90,34,.05), transparent 60%);
}
.article-row--essay:hover {
    border-left-color: var(--cat-essay);
    background: linear-gradient(to right, rgba(35,91,200,.05), transparent 60%);
}
.article-row--dialogue:hover {
    border-left-color: var(--cat-dialogue);
    background: linear-gradient(to right, rgba(26,26,26,.05), transparent 60%);
}

.article-row__num {
    font-family: var(--serif);
    font-weight: 900;
    font-size: 28px;
    color: var(--fg-mute);
    letter-spacing: -0.02em;
    transition: color .3s var(--t);
}
.article-row--review:hover   .article-row__num { color: var(--cat-review); }
.article-row--essay:hover    .article-row__num { color: var(--cat-essay); }
.article-row--dialogue:hover .article-row__num { color: var(--cat-dialogue); }

.article-row__meta {
    display: flex;
    gap: 12px;
    align-items: center;
    margin-bottom: 8px;
    flex-wrap: wrap;
}
.article-row__pending {
    font-size: 10px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--fg-mute);
    border: 1px dashed var(--line);
    padding: 2px 8px;
    border-radius: 999px;
}
.article-row__title {
    font-family: var(--serif);
    font-weight: 700;
    font-size: 22px;
    line-height: 1.5;
    margin: 0 0 8px;
    letter-spacing: -0.01em;
    transition: color .3s var(--t);
}
.article-row--review:hover   .article-row__title { color: var(--cat-review); }
.article-row--essay:hover    .article-row__title { color: var(--cat-essay); }
.article-row--dialogue:hover .article-row__title { color: var(--cat-dialogue); }

.article-row__excerpt {
    font-size: 13px;
    color: var(--fg-mute);
    margin: 0;
    line-height: 1.85;
}
.article-row__author {
    font-size: 12px;
    color: var(--fg-mute);
    letter-spacing: 0.1em;
    text-align: right;
}

@media (max-width: 640px) {
    .article-row { grid-template-columns: 56px 1fr; gap: 16px; padding-left: 12px; }
    .article-row--link:hover { padding-left: 20px; }
    .article-row__author { display: none; }
}

/* ============================================================
   SERIES
   ============================================================ */
.series {
    max-width: var(--max);
    margin: 0 auto;
    padding: 100px var(--pad-x);
    border-top: 2px solid var(--accent);
}
.series__head { margin-bottom: 48px; }
.series-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
}
.series-card {
    display: flex;
    flex-direction: column;
    padding: 32px 28px;
    background: var(--bg-soft);
    border-radius: 2px;
    min-height: 280px;
    transition: background .3s var(--t), color .3s var(--t), transform .3s var(--t);
    position: relative;
    overflow: hidden;
}
.series-card:hover {
    background: var(--fg);
    color: #fff;
    transform: translateY(-4px);
}
.series-card--accent { background: var(--accent); color: #fff; }
.series-card--accent:hover { background: var(--fg); }
.series-card__no {
    font-family: var(--serif);
    font-weight: 900;
    font-size: 14px;
    letter-spacing: 0.05em;
    margin-bottom: 28px;
    opacity: .7;
}
.series-card h3 {
    font-family: var(--serif);
    font-weight: 700;
    font-size: 26px;
    line-height: 1.35;
    margin: 0 0 18px;
    letter-spacing: -0.01em;
}
.series-card p {
    font-size: 13px;
    line-height: 1.8;
    margin: 0 0 28px;
    opacity: .85;
}
.series-card__type {
    margin-top: auto;
    font-size: 10px;
    letter-spacing: 0.2em;
    font-weight: 700;
    text-transform: uppercase;
    border: 1px solid currentColor;
    padding: 5px 10px;
    border-radius: 999px;
    align-self: flex-start;
}

/* ============================================================
   DUAL — Works / Shop
   ============================================================ */
.dual {
    display: grid;
    grid-template-columns: 1fr 1fr;
    border-top: 1px solid var(--line);
}
.dual__col {
    padding: 100px var(--pad-x);
    min-height: 360px;
}
.dual__col--alt {
    background: var(--fg);
    color: #fff;
}
.dual__col--alt .program__label { color: rgba(255,255,255,.6); }
.dual__desc {
    max-width: 420px;
    color: var(--fg-mute);
    margin: 0 0 32px;
}
.dual__col--alt .dual__desc { color: rgba(255,255,255,.7); }

.btn-line {
    display: inline-block;
    padding: 14px 28px;
    border: 1px solid var(--fg);
    color: var(--fg);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.18em;
    transition: background .25s var(--t), color .25s var(--t);
}
.btn-line:hover { background: var(--fg); color: #fff; }
.btn-line--white { border-color: #fff; color: #fff; }
.btn-line--white:hover { background: #fff; color: var(--fg); }

.btn-fill {
    display: inline-block;
    padding: 14px 28px;
    background: var(--accent);
    color: #fff;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.18em;
    transition: background .25s var(--t);
}
.btn-fill:hover { background: var(--fg); }

/* ============================================================
   BACKNUMBERS
   ============================================================ */
.backnumbers {
    max-width: var(--max);
    margin: 0 auto;
    padding: 100px var(--pad-x);
    border-top: 1px solid var(--line);
}
.backnumbers__head { margin-bottom: 32px; }
.archive-filter {
    display: flex;
    gap: 8px;
    margin-bottom: 14px;
    flex-wrap: wrap;
}
.archive-filter__btn {
    background: transparent;
    border: 1px solid var(--line);
    color: var(--fg-mute);
    padding: 8px 18px;
    font-size: 12px;
    letter-spacing: 0.12em;
    cursor: pointer;
    border-radius: 999px;
    transition: all .25s var(--t);
    font-family: var(--sans);
}
.archive-filter__btn:hover { border-color: var(--fg); color: var(--fg); }
.archive-filter__btn.is-active {
    background: var(--fg);
    border-color: var(--fg);
    color: #fff;
}
.archive-status {
    margin: 0 0 22px;
    font-size: 11px;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--fg-mute);
}
.archive-list {
    border-top: 1px solid var(--line);
    display: grid;
}
.archive-list__item {
    border-bottom: 1px solid var(--line);
}
.archive-list__link {
    display: grid;
    grid-template-columns: 116px 104px minmax(0, 1fr) auto;
    gap: 24px;
    padding: 21px 0;
    align-items: center;
    font-size: 14px;
    color: inherit;
    transition: padding-left .25s var(--t), background .25s var(--t), color .25s var(--t);
}
.archive-list__item--link .archive-list__link { cursor: pointer; }
.archive-list__item--link .archive-list__link:hover {
    padding-left: 14px;
    color: var(--accent);
}
.archive-list__date {
    font-size: 12px;
    color: var(--fg-mute);
    letter-spacing: 0.06em;
}
.archive-list__cat {
    justify-self: start;
    font-size: 9px;
    letter-spacing: 0.16em;
    font-weight: 700;
    color: var(--fg);
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 4px 9px;
    line-height: 1;
}
.archive-list__title {
    font-family: var(--serif);
    font-weight: 500;
    font-size: 15px;
    line-height: 1.65;
}
.archive-list__pending {
    justify-self: end;
    font-size: 10px;
    letter-spacing: 0.12em;
    color: var(--fg-mute);
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 4px 10px;
}
.archive-list__empty {
    padding: 28px 0;
    color: var(--fg-mute);
    font-size: 14px;
}

.load-more {
    display: block;
    margin: 40px auto 0;
    padding: 16px 36px;
    background: transparent;
    border: 1px solid var(--fg);
    color: var(--fg);
    font-size: 12px;
    letter-spacing: 0.18em;
    font-weight: 700;
    cursor: pointer;
    transition: background .25s var(--t), color .25s var(--t);
    font-family: var(--sans);
}
.load-more:hover { background: var(--fg); color: #fff; }
.load-more[hidden] { display: none; }

/* ラジオ展開ボタン wrapper */
.radio-toggle-wrap {
    width: 100%;
    display: flex;
    justify-content: center;
    padding: 32px 0 0;
}
/* ラジオ展開ボタン（◯に矢印） */
.radio-toggle-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: transparent;
    border: 2px solid rgba(255,255,255,.4);
    border-radius: 50%;
    cursor: pointer;
    transition: border-color .2s, background .2s;
    color: rgba(255,255,255,.8);
    flex-shrink: 0;
}
.radio-toggle-btn:hover {
    border-color: rgba(30,215,96,.8);
    background: rgba(30,215,96,.08);
    color: #1ed760;
}
.radio-toggle-btn svg {
    transition: transform .35s var(--t);
    display: block;
}
.radio-toggle-btn.is-open svg {
    transform: rotate(180deg);
}
/* 過去エピソード 2カラムグリッド */
.radio-more-grid {
    max-width: var(--max);
    margin: 24px auto 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}
@media(max-width:640px){
    .radio-more-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   ABOUT
   ============================================================ */
.about {
    background: var(--fg);
    color: #fff;
    padding: 120px var(--pad-x);
    text-align: center;
}
.about__inner {
    max-width: 820px;
    margin: 0 auto;
}
.about .program__label { color: rgba(255,255,255,.55); }
.about__title {
    font-family: var(--serif);
    font-weight: 900;
    font-size: clamp(36px, 5vw, 64px);
    line-height: 1.3;
    letter-spacing: -0.02em;
    margin: 0 0 32px;
}
.about__text {
    color: rgba(255,255,255,.78);
    font-size: 15px;
    line-height: 2;
    margin: 0 0 48px;
}
.about__cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}
.about__cta .btn-line { border-color: rgba(255,255,255,.4); color: #fff; }
.about__cta .btn-line:hover { background: #fff; color: var(--fg); border-color: #fff; }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
    background: #fff;
    border-top: 1px solid var(--line);
    padding: 80px var(--pad-x) 0;
}
.site-footer__inner {
    max-width: var(--max);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.3fr 2fr;
    gap: 48px;
    padding-bottom: 60px;
    border-bottom: 1px solid var(--line);
}
.site-footer__brand .brand-mark__jp,
.site-footer__brand .brand-mark__en {
    font-size: 28px;
}
.site-footer__brand p {
    margin: 16px 0 0;
    font-size: 13px;
    color: var(--fg-mute);
    max-width: 320px;
}
.site-footer__cols {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}
.site-footer__cols h4 {
    font-size: 11px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--fg-mute);
    margin: 0 0 18px;
    font-weight: 700;
}
.site-footer__cols li { margin-bottom: 10px; }
.site-footer__cols a {
    font-size: 14px;
    transition: color .2s var(--t);
}
.site-footer__cols a:hover { color: var(--accent); }

.site-footer__base {
    max-width: var(--max);
    margin: 0 auto;
    padding: 24px 0;
    display: flex;
    justify-content: space-between;
    font-size: 11px;
    letter-spacing: 0.12em;
    color: var(--fg-mute);
    text-transform: uppercase;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 960px) {
    .global-nav {
        position: fixed;
        top: 100px; left: 0; right: 0;
        background: #fff;
        border-bottom: 1px solid var(--line);
        max-height: 0;
        overflow: hidden;
        transition: max-height .35s var(--t);
    }
    .global-nav.is-open { max-height: 480px; }
    .global-nav ul {
        flex-direction: column;
        gap: 0;
        padding: 16px var(--pad-x);
    }
    .global-nav li { padding: 14px 0; border-bottom: 1px solid var(--line); }
    .nav-toggle { display: flex; }

    .card-grid--radio { grid-template-columns: 1fr 1fr; }
    .series-grid { grid-template-columns: 1fr 1fr; }
    .dual { grid-template-columns: 1fr; }
    .site-footer__inner { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
    :root { --pad-x: 5vw; }
    .program, .series, .backnumbers { padding: 70px var(--pad-x); }
    .hero { padding: 56px var(--pad-x) 40px; }
    .hero__feature { padding: 22px; }
    .hero__tagline { white-space: normal; }

    .card-grid--radio { grid-template-columns: 1fr; }
    .series-grid { grid-template-columns: 1fr; }

    .archive-list__link {
        grid-template-columns: 86px 1fr;
        gap: 9px 14px;
        padding: 18px 0;
    }
    .archive-list__cat { justify-self: start; }
    .archive-list__title { grid-column: 1 / -1; }
    .archive-list__pending {
        grid-column: 1 / -1;
        justify-self: start;
    }

    .site-footer__cols { grid-template-columns: 1fr 1fr; }
    .site-footer__base { flex-direction: column; gap: 8px; text-align: center; }
}
