/* ================================================
   Kikiwake HP — "Ink & Archive"
   活版印刷の詩集: 和紙 × 墨 × 朱色 × 古典明朝体
   ================================================ */

@import url('https://fonts.googleapis.com/css2?family=Zen+Old+Mincho:wght@400;700;900&family=Noto+Sans+JP:wght@300;400;500&display=swap');

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

:root {
    --washi:       #f5f0e4;
    --washi-dark:  #e2dbc8;
    --cream:       #fdfbf5;
    --ink:         #1a140e;
    --ink-mid:     #3a3028;
    --ink-soft:    #5c5044;
    --vermilion:   #be3a1e;
    --vermilion-l: #d94e30;
    --indigo:      #1e3560;
    --gold-pale:   #f0e0b0;

    --display: 'Zen Old Mincho', 'YuMincho', '游明朝', serif;
    --body:    'Noto Sans JP', 'Hiragino Sans', sans-serif;
}

html { scroll-behavior: smooth; }

body {
    font-family: var(--body);
    color: var(--ink-mid);
    background: var(--washi);
    line-height: 2;
    font-size: 15px;
    font-weight: 300;
}

a { color: var(--indigo); text-decoration: none; }
a:hover { text-decoration: underline; }
strong { font-weight: 500; color: var(--ink); }

.container {
    max-width: 860px;
    margin: 0 auto;
    padding: 0 36px;
}

/* ─────────────────────────────
   ナビゲーション
───────────────────────────── */
.nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 200;
    transition: background .35s, box-shadow .35s;
}
.nav-solid {
    background: rgba(245, 240, 228, .97);
    box-shadow: 0 1px 0 var(--washi-dark);
    backdrop-filter: blur(8px);
}
.nav-inner {
    max-width: 860px;
    margin: 0 auto;
    height: 58px;
    padding: 0 36px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.nav-logo {
    font-family: var(--display);
    font-size: 1.3em;
    font-weight: 700;
    letter-spacing: .14em;
    color: var(--ink);
}
.nav-logo:hover { text-decoration: none; }
.nav-links {
    list-style: none;
    display: flex;
    gap: 28px;
    align-items: center;
}
.nav-links a {
    font-size: .82em;
    letter-spacing: .07em;
    color: var(--ink-soft);
    transition: color .2s;
    white-space: nowrap;
}
.nav-links a:hover { color: var(--ink); text-decoration: none; }
.nav-cta {
    background: var(--vermilion) !important;
    color: #fff !important;
    padding: 7px 18px;
    border-radius: 1px;
    font-weight: 500 !important;
    letter-spacing: .08em;
    transition: background .2s !important;
}
.nav-cta:hover { background: var(--vermilion-l) !important; }

/* ─────────────────────────────
   ヒーロー — 全幅センター
───────────────────────────── */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding-top: 58px;
    background-image: repeating-linear-gradient(
        180deg,
        transparent,
        transparent 3px,
        rgba(26,20,14,.007) 3px,
        rgba(26,20,14,.007) 4px
    );
}

.hero-credits {
    position: absolute;
    bottom: 36px;
    left: 36px;
    z-index: 1;
}
.hero-credit-name {
    font-size: .78em;
    color: var(--ink-soft);
    letter-spacing: .04em;
    line-height: 1.9;
}

/* 背景の巨大な「聞」— 墨がにじむように */
.hero::before {
    content: '聴';
    font-family: var(--display);
    font-size: clamp(380px, 58vw, 760px);
    font-weight: 900;
    color: rgba(26,20,14,.055);
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    line-height: 1;
    pointer-events: none;
    user-select: none;
    letter-spacing: -.04em;
}

.hero-text-side {
    position: relative;
    z-index: 1;
    max-width: 640px;
    padding: 88px 32px 108px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.hero-eyebrow {
    font-size: .88em;
    letter-spacing: .2em;
    color: var(--indigo);
    margin-bottom: 22px;
    display: flex;
    align-items: center;
    gap: 14px;
}
.hero-eyebrow::before,
.hero-eyebrow::after {
    content: '';
    display: block;
    width: 26px;
    height: 1px;
    background: var(--indigo);
    flex-shrink: 0;
}

.hero-subtitle {
    font-family: var(--display);
    font-size: clamp(1.4em, 3vw, 2em);
    font-weight: 400;
    letter-spacing: .35em;
    color: var(--ink-soft);
    margin-bottom: 32px;
    margin-top: -24px;
}

.hero-title {
    font-family: var(--display);
    font-size: clamp(4.8em, 11vw, 9.5em);
    font-weight: 700;
    letter-spacing: .18em;
    color: var(--ink);
    line-height: 1;
    margin-bottom: 38px;
}

.hero-catch {
    font-family: var(--display);
    font-size: clamp(1.25em, 2.8vw, 1.65em);
    font-weight: 400;
    color: var(--ink);
    line-height: 1.85;
    margin-bottom: 14px;
    letter-spacing: .04em;
}
.hero-sub {
    font-size: .95em;
    font-weight: 400;
    color: var(--ink-soft);
    line-height: 2;
    margin-bottom: 42px;
    letter-spacing: .05em;
}

.hero-mode-pills {
    display: flex;
    gap: 18px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 14px;
}

.hero-mode-pill {
    font-size: 0.95em;
    font-weight: 600;
    color: var(--ink-mid);
    letter-spacing: 0.02em;
    display: flex;
    align-items: center;
    gap: 5px;
    cursor: default;
}

.hero-mode-pill::before {
    content: '●';
    font-size: 0.55em;
    line-height: 1;
}

.hero-mode-pill--novice::before {
    color: #2a8050;
}

.hero-mode-pill--expert::before {
    color: var(--indigo);
}

.hero-mode-pill--resume::before {
    color: #c8603c;
}

.hero-mode-pill--casual::before {
    color: #b07820;
}

.hero-shikibu-note {
    margin: 28px auto 0;
    font-size: 0.92em;
    color: #1a140e;
    text-align: center;
    line-height: 1.7;
    letter-spacing: 0.01em;
}

/* サウンドウェーブ */
.soundwave {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 3px;
    margin-bottom: 42px;
    height: 28px;
}
.soundwave-bar {
    width: 3px;
    border-radius: 2px;
    background: var(--vermilion);
    opacity: .5;
    animation: wave 1.4s ease-in-out infinite;
    transform-origin: bottom;
}
.soundwave-bar:nth-child(1)  { height: 8px;  animation-delay: 0s; }
.soundwave-bar:nth-child(2)  { height: 16px; animation-delay: .1s; }
.soundwave-bar:nth-child(3)  { height: 22px; animation-delay: .2s; }
.soundwave-bar:nth-child(4)  { height: 28px; animation-delay: .15s; }
.soundwave-bar:nth-child(5)  { height: 18px; animation-delay: .25s; }
.soundwave-bar:nth-child(6)  { height: 24px; animation-delay: .05s; }
.soundwave-bar:nth-child(7)  { height: 12px; animation-delay: .3s; }
.soundwave-bar:nth-child(8)  { height: 20px; animation-delay: .18s; }
.soundwave-bar:nth-child(9)  { height: 26px; animation-delay: .08s; }
.soundwave-bar:nth-child(10) { height: 14px; animation-delay: .22s; }
.soundwave-bar:nth-child(11) { height: 8px;  animation-delay: .32s; }
.soundwave-bar:nth-child(12) { height: 18px; animation-delay: .12s; }
.soundwave-label {
    font-size: .7em;
    letter-spacing: .14em;
    color: var(--ink-soft);
    margin-left: 10px;
}
@keyframes wave {
    0%, 100% { transform: scaleY(1); opacity: .5; }
    50%       { transform: scaleY(.28); opacity: .14; }
}

/* ボタン */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    background: linear-gradient(to bottom, #c8402a 0%, var(--vermilion) 100%);
    color: #fff;
    border: none;
    padding: 22px 68px;
    border-radius: 3px;
    font-family: var(--body);
    font-size: 1em;
    font-weight: 700;
    letter-spacing: .2em;
    text-decoration: none;
    width: fit-content;
    position: relative;
    overflow: hidden;
    box-shadow:
        0 3px 0 rgba(120,20,8,.5),
        0 5px 16px rgba(0,0,0,.14),
        inset 0 1px 0 rgba(255,255,255,.18);
    transition: box-shadow .3s, transform .3s;
}
.btn-primary::after {
    content: '';
    position: absolute;
    top: -50%; left: -70%;
    width: 40%; height: 200%;
    background: linear-gradient(to right, transparent, rgba(255,255,255,.38), transparent);
    transform: skewX(-15deg);
    transition: none;
    pointer-events: none;
}
.btn-primary:hover::after {
    transition: left .55s cubic-bezier(.4,0,.2,1);
}
.btn-primary:hover {
    color: #fff;
    text-decoration: none;
    transform: translateY(-4px);
    box-shadow:
        0 8px 0 rgba(120,20,8,.35),
        0 20px 40px rgba(0,0,0,.2),
        inset 0 1px 0 rgba(255,255,255,.18);
}
.btn-primary:hover::after { left: 130%; }
.btn-arrow { display: inline-block; opacity: .7; transition: transform .3s cubic-bezier(.4,0,.2,1); }
.btn-primary:hover .btn-arrow { transform: translateX(6px); opacity: 1; }
.btn-primary-lg { padding: 22px 72px; font-size: 1.05em; }

.btn-secondary {
    display: inline-flex;
    align-items: center;
    background: transparent;
    color: var(--washi);
    border: 1px solid rgba(245,240,228,.4);
    padding: 13px 28px;
    border-radius: 3px;
    font-family: var(--body);
    font-size: .88em;
    font-weight: 500;
    letter-spacing: .1em;
    text-decoration: none;
    width: fit-content;
    transition: background .2s, border-color .2s;
}
.btn-secondary:hover {
    background: rgba(245,240,228,.1);
    border-color: rgba(245,240,228,.7);
    text-decoration: none;
    color: var(--washi);
}

.hero-notes {
    margin-top: 14px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.hero-note {
    font-size: .76em;
    color: var(--ink-soft);
    letter-spacing: .05em;
}

/* ─────────────────────────────
   数字帯 — 墨色の横断帯
───────────────────────────── */
.stats-strip {
    background: var(--ink);
    padding: 32px 0;
}
.stats-strip-light {
    background: transparent;
    padding: 0;
    margin-bottom: 40px;
}
.stats-strip-light .stats-inner {
    padding: 0;
    border-top: 1px solid var(--washi-dark);
    border-bottom: 1px solid var(--washi-dark);
}
.stats-strip-light .stat-block {
    padding: 24px 20px;
    border-right-color: var(--washi-dark);
}
.stats-strip-light .stat-val {
    color: var(--ink);
    font-size: 2em;
}
.stats-strip-light .stat-val span {
    color: var(--ink-soft);
}
.stats-strip-light .stat-desc {
    color: var(--ink-soft);
}
.stats-inner {
    display: flex;
    align-items: stretch;
    max-width: 860px;
    margin: 0 auto;
    padding: 0 36px;
}
.stat-block {
    flex: 1;
    text-align: center;
    padding: 0 20px;
    border-right: 1px solid rgba(255,255,255,.09);
}
.stat-block:last-child { border-right: none; }
.stat-val {
    display: block;
    font-family: var(--display);
    font-size: 2.2em;
    font-weight: 700;
    color: var(--gold-pale);
    line-height: 1;
    letter-spacing: -.01em;
}
.stat-val span {
    font-size: .42em;
    color: rgba(255,255,255,.42);
    vertical-align: super;
    margin-left: 2px;
}
.stat-desc {
    display: block;
    font-size: .72em;
    color: rgba(255,255,255,.38);
    margin-top: 7px;
    letter-spacing: .08em;
}

/* ─────────────────────────────
   セクション共通
───────────────────────────── */
.section { padding: 96px 0; }
.section-tinted { background: var(--cream); }

.section-credits {
    background: var(--washi);
    padding: 48px 0;
    text-align: center;
}
.credits-row {
    display: flex;
    align-items: center;
    gap: 40px;
    justify-content: center;
}
#about-us .credits-row {
    justify-content: flex-start;
}
#about-us {
    padding-top: 16px;
}
#about-us h2 {
    font-size: clamp(1.22em, 2.66vw, 1.68em);
    margin-bottom: 24px;
}
.maker-cards {
    display: flex;
    gap: 40px;
    flex-wrap: wrap;
}
.maker-card {
    display: flex;
    align-items: flex-start;
    gap: 20px;
}
.maker-avatar {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
    border: 2px solid var(--washi-dark);
}
.maker-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.maker-name {
    font-family: var(--display);
    font-size: 1.15em;
    font-weight: 700;
    color: var(--ink);
    letter-spacing: .06em;
}
.maker-role {
    font-size: .78em;
    color: var(--ink-soft);
    letter-spacing: .03em;
}
.credits-inner {
    display: flex;
    gap: 48px;
    flex-wrap: wrap;
    align-items: flex-start;
}
.credit-group {
    display: flex;
    flex-direction: column;
    gap: 1px;
}
.credit-role {
    display: inline-block;
    align-self: flex-start;
    font-size: .72em;
    letter-spacing: .04em;
    color: var(--ink-soft);
    background: var(--washi-dark);
    padding: 3px 6px;
    margin-bottom: 10px;
}
.credit-name {
    font-family: var(--display);
    font-size: 1.05em;
    font-weight: 700;
    color: var(--ink);
    letter-spacing: .06em;
}
.credit-note {
    font-size: .78em;
    color: var(--ink-soft);
    margin-top: 2px;
}
.credit-hp {
    font-size: .65em;
    letter-spacing: .1em;
    color: var(--vermilion);
    vertical-align: middle;
    margin-left: 4px;
}
.credit-links {
    display: flex;
    gap: 8px;
    margin-top: 8px;
    align-items: center;
}
.credit-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: .78em;
    letter-spacing: .1em;
    color: var(--indigo);
    text-decoration: none;
    border: 1px solid rgba(30,53,96,.3);
    padding: 6px 14px;
    min-height: 36px;
    transition: background .18s, color .18s, border-color .18s;
}
.credit-link:hover {
    background: var(--indigo);
    border-color: var(--indigo);
    color: #fff;
}
.credit-link-x {
    padding: 6px 10px;
}
.credit-link-x:hover {
    background: var(--indigo);
    border-color: var(--indigo);
    color: #fff;
}
.credit-icon {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

.credit-email {
    font-family: var(--body);
    font-size: .9em;
    letter-spacing: .04em;
}
.credit-sub {
    font-family: var(--body);
    font-size: .65em;
    font-weight: 400;
    color: var(--ink-soft);
    letter-spacing: .06em;
    display: block;
    margin-top: 2px;
}
.section-ink {
    background: var(--ink);
    color: rgba(255,255,255,.78);
}

.sec-mark {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 18px;
}
.sec-mark-line {
    width: 28px;
    height: 2px;
    background: var(--vermilion);
    flex-shrink: 0;
}
.sec-mark-label {
    font-size: .95em;
    letter-spacing: .15em;
    color: var(--vermilion);
}
.section-ink .sec-mark-label { color: rgba(190,58,30,.75); }

h2 {
    font-family: var(--display);
    font-size: clamp(1.75em, 3.8vw, 2.4em);
    font-weight: 700;
    color: var(--ink);
    letter-spacing: .04em;
    line-height: 1.45;
    margin-bottom: 42px;
}
.section-ink h2 { color: rgba(255,255,255,.92); }

/* ─────────────────────────────
   ステップ
───────────────────────────── */
.steps { margin-bottom: 48px; }
.step {
    display: grid;
    grid-template-columns: 52px 1fr;
    gap: 22px;
    padding: 28px 0;
    border-bottom: 1px solid var(--washi-dark);
    align-items: start;
}
.step:first-child { border-top: 1px solid var(--washi-dark); }
.step-num {
    font-family: var(--display);
    font-size: 2.4em;
    font-weight: 900;
    color: var(--washi-dark);
    line-height: 1;
    text-align: center;
    padding-top: 2px;
}
.step-body strong {
    display: block;
    font-size: .97em;
    font-weight: 500;
    color: var(--ink);
    margin-bottom: 7px;
    letter-spacing: .02em;
}
.step-body p {
    font-size: .9em;
    color: var(--ink-soft);
    line-height: 2;
}

.tag-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.tag {
    background: var(--washi-dark);
    border-radius: 1px;
    padding: 5px 13px;
    font-size: .78em;
    color: var(--ink-mid);
    letter-spacing: .04em;
}

/* ─────────────────────────────
   比較・分析セクション
───────────────────────────── */
.insight-pair {
    display: grid;
    grid-template-columns: 1fr 1fr;
}
.insight-block {
    padding: 72px 56px;
    position: relative;
    overflow: hidden;
    min-height: 340px;
    display: flex;
    align-items: flex-end;
}
.insight-compare {
    background: var(--ink);
}
.insight-analyze {
    background: var(--washi-dark);
}
.insight-kana {
    font-family: var(--display);
    font-size: clamp(5em, 12vw, 9em);
    font-weight: 900;
    line-height: 1;
    position: absolute;
    top: 24px;
    left: 40px;
    letter-spacing: .04em;
    pointer-events: none;
}
.insight-compare .insight-kana { color: rgba(255,255,255,.07); }
.insight-analyze .insight-kana { color: rgba(26,20,14,.07); }
.insight-content { position: relative; z-index: 1; }
.insight-en {
    font-size: .68em;
    letter-spacing: .28em;
    margin-bottom: 12px;
    font-weight: 500;
}
.insight-compare .insight-en { color: var(--vermilion); }
.insight-analyze .insight-en { color: var(--vermilion); }
.insight-block h3 {
    font-family: var(--body);
    font-size: 1.15em;
    font-weight: 700;
    margin-bottom: 14px;
    letter-spacing: .02em;
}
.insight-compare h3 { color: rgba(255,255,255,.92); }
.insight-analyze h3 { color: var(--ink); }
.insight-block p {
    font-size: .88em;
    line-height: 2;
}
.insight-compare p { color: rgba(255,255,255,.5); }
.insight-analyze p { color: var(--ink-mid); }


/* ─────────────────────────────
   研究について（ダーク）
───────────────────────────── */
.two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 52px;
    align-items: start;
}
.vision-list {
    display: flex;
    flex-direction: column;
    gap: 32px;
    margin-top: 24px;
}
.vision-item {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
}
.vision-label {
    font-size: 1em;
    letter-spacing: .12em;
    color: #fff;
    background: var(--vermilion);
    padding: 4px 0;
    width: 7.5em;
    text-align: center;
    flex-shrink: 0;
    font-weight: 500;
}
.vision-item p {
    font-size: .9em;
    color: rgba(255,255,255,.6);
    line-height: 1.8;
    margin: 0;
}

.two-col > div > p {
    font-size: .93em;
    color: rgba(255,255,255,.68);
    margin-bottom: 18px;
    line-height: 2;
}
.two-col strong { color: rgba(255,255,255,.92); font-weight: 500; }

.data-panel {
    background: rgba(255,255,255,.04);
    border: 1px solid rgba(255,255,255,.09);
    border-top: 2px solid rgba(190,58,30,.55);
    padding: 32px 28px;
}
.data-row {
    padding: 20px 0;
    border-bottom: 1px solid rgba(255,255,255,.06);
}
.data-row:first-child { padding-top: 0; }
.data-row:last-child  { border-bottom: none; padding-bottom: 0; }
.data-label {
    font-size: .7em;
    letter-spacing: .18em;
    color: rgba(255,255,255,.36);
    display: block;
    margin-bottom: 5px;
}
.data-val {
    font-family: var(--display);
    font-size: 2.4em;
    font-weight: 700;
    color: var(--gold-pale);
    line-height: 1;
    letter-spacing: -.01em;
}
.data-val small {
    font-size: .38em;
    font-family: var(--body);
    color: rgba(255,255,255,.36);
    margin-left: 5px;
    letter-spacing: .1em;
}

/* ─────────────────────────────
   参加の流れ
───────────────────────────── */
.flow-subheading {
    font-family: var(--display);
    font-size: 1.2em;
    font-weight: 700;
    letter-spacing: .06em;
    color: var(--ink);
    margin-bottom: 20px;
    margin-top: 52px;
}

.flow-prereq {
    font-size: .88em;
    color: var(--ink-soft);
    letter-spacing: .04em;
    margin-bottom: 0;
    line-height: 1.8;
}

.flow-list { list-style: none; }
.flow-item {
    display: grid;
    grid-template-columns: 40px 1fr;
    gap: 20px;
    padding: 26px 0;
    border-bottom: 1px solid var(--washi-dark);
    align-items: start;
}
.flow-item:first-child { border-top: 1px solid var(--washi-dark); }
.flow-num {
    width: 40px;
    height: 40px;
    border: 1.5px solid var(--ink);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: .82em;
    font-family: var(--display);
    font-weight: 700;
    flex-shrink: 0;
    color: var(--ink);
    margin-top: 3px;
}
.flow-item strong {
    display: block;
    font-size: .95em;
    font-weight: 500;
    color: var(--ink);
    margin-bottom: 5px;
    letter-spacing: .02em;
}
.flow-item p {
    font-size: .88em;
    color: var(--ink-soft);
    line-height: 2;
}

/* ─────────────────────────────
   FAQ
───────────────────────────── */
.faq-list { display: flex; flex-direction: column; }
.faq-item { border-bottom: 1px solid var(--washi-dark); }
.faq-item:first-child { border-top: 1px solid var(--washi-dark); }
.faq-item[open] summary { color: var(--vermilion); }
.faq-item summary {
    padding: 20px 0;
    font-size: .92em;
    font-weight: 500;
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--ink);
    letter-spacing: .02em;
    transition: color .2s;
    gap: 16px;
    line-height: 1.6;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
    content: '+';
    font-size: 1.5em;
    font-weight: 300;
    color: var(--vermilion);
    flex-shrink: 0;
    transition: transform .25s;
    line-height: 1;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-body {
    padding: 0 40px 24px 0;
    font-size: .88em;
    color: var(--ink-soft);
    line-height: 2;
}
.faq-body a { color: var(--indigo); text-decoration: underline; }

/* ─────────────────────────────
   関連プロジェクト
───────────────────────────── */
#related-works h2 {
    font-size: clamp(1.22em, 2.66vw, 1.68em);
    margin-bottom: 8px;
}
.related-works-lead {
    font-size: 0.92em;
    color: var(--ink-soft);
    margin-bottom: 28px;
}
.rw-with-thumb {
    display: flex;
    align-items: center;
    gap: 20px;
}
.chihayabure-thumb {
    width: 120px;
    border-radius: 6px;
    flex-shrink: 0;
    opacity: .82;
    transition: opacity .2s;
}
.chihayabure-thumb:hover { opacity: 1; }

.related-works-credit {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 0.82em;
    color: var(--ink-soft);
    border-top: 1px solid var(--washi-dark);
    padding-top: 20px;
}
.related-works-credit li { line-height: 1.6; }
.related-works-credit a {
    color: var(--ink-mid);
    text-decoration: underline;
    text-underline-offset: 2px;
}
.related-works-credit a:hover { color: var(--vermilion); }

@media (max-width: 540px) {
    .rw-svg { min-width: 480px; }
    .related-works-map { overflow-x: auto; justify-content: flex-start; }
}

/* ─────────────────────────────
   CTA
───────────────────────────── */
.section-cta {
    background: var(--washi);
    padding: 112px 24px 128px;
    text-align: center;
    border-top: 2px solid var(--vermilion);
    position: relative;
    overflow: hidden;
}
.section-cta::before {
    content: '聴';
    font-family: var(--display);
    font-size: 44vw;
    font-weight: 900;
    color: rgba(26,20,14,.02);
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    line-height: 1;
    pointer-events: none;
    user-select: none;
}
.cta-eyebrow {
    font-size: .72em;
    letter-spacing: .28em;
    color: var(--vermilion);
    display: block;
    margin-bottom: 20px;
    position: relative;
}
.cta-heading {
    font-family: var(--display);
    font-size: clamp(1.7em, 4.2vw, 2.7em);
    font-weight: 700;
    color: var(--ink);
    letter-spacing: .04em;
    margin-bottom: 46px;
    position: relative;
    line-height: 1.65;
}
.cta-note {
    margin-top: 20px;
    font-size: .78em;
    color: var(--ink-soft);
    letter-spacing: .05em;
    position: relative;
}

/* ─────────────────────────────
   フッター
───────────────────────────── */
footer {
    background: var(--ink);
    color: rgba(255,255,255,.78);
    padding: 48px 32px 28px;
    font-size: .85em;
}
.footer-inner {
    max-width: 860px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1.6fr 1fr;
    gap: 36px;
    padding-bottom: 32px;
    border-bottom: 1px solid rgba(255,255,255,.07);
    margin-bottom: 22px;
}
.footer-brand {
    font-family: var(--display);
    font-size: 1.35em;
    font-weight: 700;
    color: rgba(255,255,255,.82);
    letter-spacing: .14em;
    margin-bottom: 5px;
}
.footer-tagline { font-size: .74em; color: rgba(190,58,30,.85); letter-spacing: .1em; }
.footer-info p { margin-bottom: 5px; line-height: 1.8; }
.footer-info code {
    background: rgba(255,255,255,.07);
    padding: 1px 6px;
    border-radius: 2px;
    font-family: ui-monospace, monospace;
    font-size: .9em;
}
.footer-links { display: flex; flex-direction: column; gap: 10px; text-align: right; }
.footer-links a { color: rgba(255,255,255,.3); transition: color .2s; }
.footer-links a:hover { color: rgba(255,255,255,.75); text-decoration: none; }
.footer-credit {
    max-width: 860px;
    margin: 0 auto 28px;
    text-align: center;
    padding: 28px 0;
    border-top: 1px solid rgba(255,255,255,.1);
    border-bottom: 1px solid rgba(255,255,255,.1);
    display: flex;
    justify-content: center;
    gap: 64px;
}
.footer-credit-block {
    display: flex;
    flex-direction: column;
    align-items: center;
}
.footer-credit-main {
    font-size: .72em;
    letter-spacing: .22em;
    color: var(--vermilion);
    margin-bottom: 8px;
}
.footer-credit-name {
    font-family: var(--display);
    font-size: 1.4em;
    font-weight: 700;
    color: rgba(255,255,255,.9);
    letter-spacing: .1em;
    margin-bottom: 6px;
}
.footer-credit-note {
    font-size: .76em;
    color: rgba(255,255,255,.45);
    letter-spacing: .06em;
}

.contact-org {
    font-size: 1.1em;
    color: var(--ink-mid);
    margin-bottom: 12px;
}
.contact-email {
    font-family: var(--body);
    font-size: 1em;
    color: var(--ink);
    letter-spacing: .04em;
}

.footer-copy {
    max-width: 860px;
    margin: 0 auto;
    text-align: center;
    font-size: .74em;
    color: rgba(255,255,255,.2);
    letter-spacing: .05em;
}

/* ─────────────────────────────
   入場アニメーション
───────────────────────────── */
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
}
.hero-text-side > * { animation: fadeUp .85s both; }
.hero-eyebrow      { animation-delay: .05s; }
.hero-title        { animation-delay: .2s; }
.hero-catch        { animation-delay: .34s; }
.hero-sub          { animation-delay: .45s; }
.soundwave         { animation-delay: .55s; }
.hero-text-side .btn-primary { animation-delay: .65s; }
.hero-note         { animation-delay: .75s; }

/* ─────────────────────────────
   レスポンシブ
───────────────────────────── */
@media (max-width: 960px) {
    .nav-compare { display: none; }
    .nav-links { gap: 20px; }
}
@media (max-width: 768px) {
    .hero-text-side { padding: 64px 24px 88px; }
    .two-col { grid-template-columns: 1fr; gap: 32px; }
    .discover-grid { grid-template-columns: 1fr; }
    .stats-inner { flex-wrap: wrap; }
    .stat-block {
        border-right: none;
        border-bottom: 1px solid rgba(255,255,255,.09);
        min-width: 50%;
        padding: 16px;
    }
    .stat-block:nth-child(odd) { border-right: 1px solid rgba(255,255,255,.09); }
    .stat-block:last-child { border-bottom: none; }
    .footer-inner { grid-template-columns: 1fr; gap: 22px; }
    .footer-links { text-align: left; }
    .nav-links li:not(:last-child) { display: none; }
    .section { padding: 72px 0; }
}
@media (max-width: 480px) {
    .container { padding: 0 20px; }
    .nav-inner { padding: 0 20px; }
    .hero-title { font-size: 3.8em; }
    .stat-block { min-width: 100%; border-right: none !important; }
    .discover-grid { gap: 1px; }
    /* credits セクション：縦並びに */
    .credits-row { flex-direction: column; gap: 16px; align-items: flex-start; }
    .credits-inner { gap: 20px; }
    /* footer credit 横並びを縦に */
    .footer-credit { flex-direction: column; gap: 24px; }
}