/* ============================================================
  Co-Next / Plus Plan — Base (全サイト共通・原則編集しない)
  見た目の違いは各サイトの theme.css の変数だけで作る。
  複数ページ・フォーム用のパーツは plus.css。
============================================================ */
:root {
  /* テーマで上書きされる前提のデフォルト値 */
  --accent: #8b7bd8;
  --accent-2: #6fd1c4;
  --on-accent: #fff;
  --bg: #f6f3fb;
  --bg-2: #efeaf8;
  --surface: #fff;
  --text: #2a2638;
  --muted: #6d6880;
  --line: #e4dff0;
  --star: #8b7bd8;
  --shadow: 0 14px 40px -18px rgb(60 40 120 / .28);
  --btn-shadow: 0 12px 30px -10px color-mix(in srgb, var(--accent) 70%, transparent);
  --border-w: 1px;
  --border-c: var(--line);
  --radius: 22px;
  --visual-radius: 999px 999px 22px 22px;
  --visual-tilt: 0deg;
  --font-body: "Hiragino Maru Gothic ProN", "Yu Gothic", sans-serif;
  --font-display: var(--font-body);
  --font-en: "Segoe UI", system-ui, sans-serif;
  --font-accent: "Yu Mincho", serif;
  --en-heavy: 700;
  --en-light: 200;
  --motif: none;
  --motif-2: none;
  --particle: none;
  --ease: cubic-bezier(.22, 1, .36, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
body.locked { overflow: hidden; }
::selection { background: var(--accent); color: var(--on-accent); }
a { color: inherit; }
img { max-width: 100%; display: block; }
button { font: inherit; color: inherit; }
.wrap { width: min(1120px, 100% - 32px); margin-inline: auto; }

/* モチーフ：--motif / --motif-2 の SVG をマスクにして currentColor で塗る */
.motif {
  display: inline-block; flex: none;
  background: currentColor;
  -webkit-mask: var(--m, var(--motif)) center / contain no-repeat;
  mask: var(--m, var(--motif)) center / contain no-repeat;
}
.motif.alt { --m: var(--motif-2); background: currentColor; } /* セクション用の .alt 背景を打ち消す */

/* ================= Loader ================= */
.loader { display: none; }
.js .loader {
  position: fixed; inset: 0; z-index: 100; display: grid; place-items: center;
  background: var(--bg);
  clip-path: inset(0 0 0 0);
  transition: clip-path 1s var(--ease);
}
.loader.done { clip-path: inset(0 0 100% 0); pointer-events: none; }
.loader-inner { text-align: center; }
.loader-mark { width: 48px; height: 48px; margin: 0 auto 18px; color: var(--accent); animation: markIn 1s var(--ease) both; }
.loader-name { display: flex; justify-content: center; font-family: var(--font-en); font-weight: var(--en-light); font-size: clamp(22px, 4vw, 34px); letter-spacing: .4em; padding-left: .4em; }
.loader-name span { display: inline-block; animation: charIn .8s var(--ease) both; }
@keyframes markIn { from { opacity: 0; transform: rotate(-60deg) scale(.5); } }
@keyframes charIn { from { opacity: 0; transform: translateY(14px); filter: blur(6px); } }

/* ================= Header ================= */
.header {
  position: fixed; inset: 0 0 auto; z-index: 20;
  padding-top: env(safe-area-inset-top, 0px);
  border-bottom: 1px solid transparent;
  transition: background .4s, border-color .4s;
}
.header.scrolled {
  backdrop-filter: blur(16px) saturate(1.4);
  background: color-mix(in srgb, var(--bg) 74%, transparent);
  border-color: color-mix(in srgb, var(--line) 70%, transparent);
}
.header.menu-open { backdrop-filter: none; } /* backdrop-filter があると固定メニューが全画面にならないため */
.header .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.logo { position: relative; z-index: 2; display: flex; align-items: center; gap: 10px; font-family: var(--font-en); font-weight: var(--en-heavy); letter-spacing: .14em; text-decoration: none; }
.logo .motif { width: 20px; height: 20px; color: var(--accent); }
.logo img { height: 32px; width: auto; }
.nav { display: flex; gap: 28px; font-family: var(--font-en); font-size: 13px; letter-spacing: .12em; text-transform: uppercase; }
.nav a { position: relative; text-decoration: none; color: var(--muted); transition: color .3s; }
.nav a::after { content: ""; position: absolute; left: 0; right: 0; bottom: -4px; height: 1px; background: var(--accent); transform: scaleX(0); transform-origin: right; transition: transform .4s var(--ease); }
.nav a:hover { color: var(--text); }
.nav a:hover::after { transform: scaleX(1); transform-origin: left; }
.menu-btn { display: none; position: relative; z-index: 2; width: 44px; height: 44px; border: 0; background: none; cursor: pointer; }
.menu-btn span { position: absolute; left: 11px; right: 11px; height: 1.5px; background: currentColor; transition: transform .4s var(--ease), top .4s var(--ease); }
.menu-btn span:nth-child(1) { top: 17px; }
.menu-btn span:nth-child(2) { top: 26px; }
.menu-open .menu-btn span:nth-child(1) { top: 21.5px; transform: rotate(45deg); }
.menu-open .menu-btn span:nth-child(2) { top: 21.5px; transform: rotate(-45deg); }
@media (max-width: 720px) {
  .menu-btn { display: block; }
  .nav {
    position: fixed; inset: 0; flex-direction: column; justify-content: center; align-items: center; gap: 26px;
    font-size: 22px; background: var(--bg);
    opacity: 0; visibility: hidden; transition: opacity .4s, visibility .4s;
  }
  .nav a { color: var(--text); }
  .menu-open .nav { opacity: 1; visibility: visible; }
}

/* ================= Hero ================= */
.hero {
  position: relative; overflow: hidden; isolation: isolate;
  min-height: 100svh; display: grid; align-items: center;
  padding-block: 120px 80px;
}
#particles { position: absolute; inset: 0; width: 100%; height: 100%; z-index: -1; }
.hero .glow { position: absolute; border-radius: 50%; filter: blur(80px); z-index: -2; }
.hero .glow.a { width: 560px; height: 560px; background: var(--accent); top: -180px; right: -140px; opacity: .45; }
.hero .glow.b { width: 440px; height: 440px; background: var(--accent-2); bottom: -200px; left: -160px; opacity: .32; }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }
.hero-grid.reverse { grid-template-columns: .95fr 1.05fr; gap: 120px; } /* 縦書きテキストの分だけ広げる */
.hero-grid.reverse > :first-child { order: 2; }
@media (max-width: 860px) {
  .hero-grid, .hero-grid.reverse { grid-template-columns: 1fr; gap: 64px; }
  .hero-grid.reverse > :first-child { order: 0; }
}

.eyebrow { display: inline-flex; align-items: center; gap: 12px; font-family: var(--font-en); font-size: 12px; letter-spacing: .3em; text-transform: uppercase; color: var(--accent); }
.eyebrow::before { content: ""; width: 32px; height: 1px; background: currentColor; }
.hero h1 { margin: 18px 0 6px; font-family: var(--font-display); font-size: clamp(48px, 8.4vw, 92px); line-height: 1.12; font-weight: 700; letter-spacing: .05em; }
.hero h1 .line { display: block; overflow: hidden; }
.hero h1 .line > span { display: inline-block; }
.romaji { font-family: var(--font-en); font-weight: var(--en-light); font-size: clamp(15px, 2vw, 20px); letter-spacing: .5em; color: var(--muted); }
.lead { margin: 28px 0 36px; font-size: 16px; color: var(--muted); max-width: 30em; }
.btns { display: flex; flex-wrap: wrap; gap: 12px; }
.btn {
  position: relative; overflow: hidden; display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 28px; border-radius: 999px; text-decoration: none; border: 0; cursor: pointer;
  font-family: var(--font-en); font-weight: 500; font-size: 14px; letter-spacing: .08em;
  transition: transform .4s var(--ease), box-shadow .4s var(--ease);
}
.btn-primary { background: linear-gradient(120deg, var(--accent), var(--accent-2)); color: var(--on-accent); box-shadow: var(--btn-shadow); border: var(--border-w) solid var(--border-c); }
.btn-primary::before { content: ""; position: absolute; inset: 0; background: linear-gradient(100deg, transparent 30%, rgb(255 255 255 / .35) 50%, transparent 70%); transform: translateX(-100%); transition: transform .8s var(--ease); }
.btn-primary:hover::before { transform: translateX(100%); }
.btn-ghost { background: var(--surface); border: var(--border-w) solid var(--border-c); }
.btn:hover { transform: translateY(-3px); }
.btn .arr { transition: transform .4s var(--ease); }
.btn:hover .arr { transform: translateX(4px); }

.visual-wrap { position: relative; justify-self: center; width: min(420px, 78vw); aspect-ratio: 4 / 5; }
.ring { position: absolute; width: 132%; aspect-ratio: 1; left: 50%; top: 50%; translate: -50% -50%; pointer-events: none; color: var(--muted); }
.ring svg { width: 100%; height: 100%; animation: spin 40s linear infinite; }
.ring text { font-family: var(--font-en); font-size: 7.2px; letter-spacing: 3.4px; fill: currentColor; }
@keyframes spin { to { transform: rotate(360deg); } }
.visual {
  position: absolute; inset: 0; overflow: hidden;
  border-radius: var(--visual-radius);
  rotate: var(--visual-tilt);
  border: var(--border-w) solid var(--border-c);
  box-shadow: var(--shadow);
  /* 画像が入るまでの仮背景。透過PNGの立ち絵を入れた場合はこの上に表示される */
  background:
    radial-gradient(circle at 50% 36%, rgb(255 255 255 / .7) 0 17%, transparent 17.5%),
    radial-gradient(ellipse 72% 44% at 50% 100%, rgb(255 255 255 / .55) 0 99%, transparent 100%),
    linear-gradient(165deg, var(--accent), var(--accent-2));
}
.visual.has-img { background: linear-gradient(165deg, var(--accent), var(--accent-2)); }
.visual img { width: 100%; height: 100%; object-fit: cover; }
.visual img.cutout { object-fit: contain; object-position: center bottom; } /* 透過PNGの立ち絵 */
.visual .deco { position: absolute; top: 9%; right: 12%; width: 58px; height: 58px; color: #fff; }
.visual .bit { position: absolute; width: 12px; height: 12px; color: #fff; animation: twinkle 3.2s ease-in-out infinite; }
@keyframes twinkle { 50% { opacity: .2; transform: scale(.5) rotate(45deg); } }
/* 回転テキスト（ビジュアル幅の132%）の外側に置く */
.vertical {
  position: absolute; left: -26%; top: 14%; writing-mode: vertical-rl;
  font-family: var(--font-accent); font-size: 15px; letter-spacing: .5em; color: var(--muted);
}
.reverse .vertical { left: auto; right: -26%; }
@media (max-width: 1100px) { .vertical { display: none; } }
.next-card {
  position: absolute; right: -28px; bottom: 9%; z-index: 2;
  padding: 14px 18px; border-radius: 16px; min-width: 190px;
  background: color-mix(in srgb, var(--surface) 84%, transparent); backdrop-filter: blur(12px);
  border: var(--border-w) solid var(--border-c); box-shadow: var(--shadow);
  animation: float 6s ease-in-out infinite;
}
.reverse .next-card { right: auto; left: -28px; }
@media (max-width: 520px) { .next-card, .reverse .next-card { right: -8px; left: auto; bottom: -7%; } }
@keyframes float { 50% { transform: translateY(-10px); } }
.next-card .lbl { display: flex; align-items: center; gap: 8px; font-family: var(--font-en); font-size: 10px; letter-spacing: .24em; color: var(--accent); }
.next-card .lbl::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: #ff6b8b; animation: pulse 2s infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 #ff6b8b; } 70%, 100% { box-shadow: 0 0 0 8px transparent; } }
.next-card b { display: block; font-size: 14px; margin-top: 2px; }
.next-card small { font-family: var(--font-en); color: var(--muted); font-size: 12px; }

.scroll-hint { position: absolute; left: 50%; bottom: 26px; translate: -50% 0; display: grid; justify-items: center; gap: 8px; font-family: var(--font-en); font-size: 10px; letter-spacing: .3em; color: var(--muted); }
.scroll-hint::after { content: ""; width: 1px; height: 44px; background: linear-gradient(var(--muted), transparent); animation: drop 2s var(--ease) infinite; transform-origin: top; }
@keyframes drop { 0% { transform: scaleY(0); } 50% { transform: scaleY(1); transform-origin: top; } 51% { transform-origin: bottom; } 100% { transform: scaleY(0); transform-origin: bottom; } }
@media (max-width: 860px) { .scroll-hint { display: none; } }

/* ================= Marquee ================= */
.marquee { overflow: hidden; padding-block: 22px; border-block: var(--border-w) solid var(--border-c); background: var(--bg-2); }
.marquee-track { display: flex; width: max-content; animation: marquee 32s linear infinite; }
.marquee span { display: inline-flex; align-items: center; gap: 36px; padding-right: 36px; font-family: var(--font-en); font-weight: var(--en-light); font-size: clamp(18px, 2.4vw, 26px); letter-spacing: .1em; white-space: nowrap; }
.marquee .motif { width: 14px; height: 14px; color: var(--accent); }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ================= Section common ================= */
section.sec { position: relative; padding-block: clamp(80px, 12vw, 130px); }
.alt { background: var(--bg-2); }
.sec-head { display: grid; gap: 6px; margin-bottom: 52px; }
.sec-head .num { font-family: var(--font-en); font-size: 12px; letter-spacing: .3em; color: var(--accent); }
.sec-head h2 { margin: 0; font-family: var(--font-en); font-weight: var(--en-heavy); font-size: clamp(38px, 6vw, 64px); letter-spacing: .06em; line-height: 1; }
.sec-head .ja { font-size: 13px; color: var(--muted); letter-spacing: .24em; }
.card { background: var(--surface); border: var(--border-w) solid var(--border-c); border-radius: var(--radius); box-shadow: var(--shadow); }

/* ================= About ================= */
.about-grid { display: grid; grid-template-columns: 1.15fr 1fr; gap: 28px; }
@media (max-width: 860px) { .about-grid { grid-template-columns: 1fr; } }
.about-text { position: relative; overflow: hidden; padding: clamp(28px, 4vw, 44px); }
.about-text .quote { margin: 0 0 24px; font-family: var(--font-accent); font-size: clamp(20px, 2.6vw, 26px); line-height: 1.7; }
.about-text .quote em { font-style: normal; background: linear-gradient(transparent 62%, color-mix(in srgb, var(--accent-2) 45%, transparent) 62%); }
.about-text p { position: relative; margin: 0 0 1em; color: var(--muted); }
.about-text p:last-of-type { margin: 0; }
.about-text .bg-mark { position: absolute; right: -30px; bottom: -30px; width: 190px; height: 190px; color: color-mix(in srgb, var(--accent) 12%, transparent); pointer-events: none; }
.profile { padding: 14px clamp(22px, 3vw, 34px); }
.profile dl { margin: 0; }
.profile .row { display: grid; grid-template-columns: 7.5em 1fr; gap: 12px; padding: 17px 0; border-bottom: 1px dashed var(--line); }
.profile .row:last-child { border: 0; }
.profile dt { font-size: 13px; color: var(--muted); }
.profile dd { margin: 0; font-weight: 500; }
.tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tags span { font-size: 12px; padding: 3px 11px; border-radius: 999px; background: color-mix(in srgb, var(--accent) 14%, transparent); color: var(--accent); }

/* ================= Links ================= */
.links { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.link { position: relative; overflow: hidden; display: flex; align-items: center; gap: 16px; padding: 22px 24px; text-decoration: none; transition: transform .4s var(--ease), border-color .4s; }
.link::before { content: ""; position: absolute; inset: 0; background: linear-gradient(120deg, color-mix(in srgb, var(--accent) 10%, transparent), color-mix(in srgb, var(--accent-2) 10%, transparent)); opacity: 0; transition: opacity .4s; }
.link > * { position: relative; }
.link:hover { transform: translateY(-4px); border-color: var(--accent); }
.link:hover::before { opacity: 1; }
.link .ic { flex: none; width: 50px; height: 50px; border-radius: 16px; display: grid; place-items: center; background: color-mix(in srgb, var(--accent) 14%, transparent); color: var(--accent); transition: background .4s, color .4s; }
.link:hover .ic { background: var(--accent); color: var(--on-accent); }
.link .ic svg { width: 22px; height: 22px; }
.link b { display: block; font-family: var(--font-en); font-weight: 500; letter-spacing: .06em; }
.link small { color: var(--muted); font-size: 12px; }
.link .arrow { margin-left: auto; color: var(--muted); transition: transform .4s var(--ease), color .4s; }
.link:hover .arrow { transform: translate(3px, -3px); color: var(--accent); }

/* ================= Works ================= */
.works { display: grid; grid-template-columns: repeat(12, 1fr); gap: 16px; }
.work { grid-column: span 4; padding: 0; text-align: left; cursor: zoom-in; overflow: hidden; }
.work.wide { grid-column: span 8; }
@media (max-width: 860px) { .work, .work.wide { grid-column: span 6; } }
@media (max-width: 520px) { .work, .work.wide { grid-column: span 12; } }
.work .thumb { position: relative; aspect-ratio: 4 / 3; overflow: hidden; }
.work.wide .thumb { aspect-ratio: auto; height: 100%; min-height: 240px; }
.work .thumb > :first-child { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .9s var(--ease); }
.work:hover .thumb > :first-child { transform: scale(1.07); }
.work .meta { position: absolute; left: 0; right: 0; bottom: 0; padding: 40px 20px 16px; color: #fff; background: linear-gradient(transparent, rgb(20 16 32 / .65)); }
.work .meta b { display: block; font-size: 15px; }
.work .meta small { font-family: var(--font-en); font-size: 11px; letter-spacing: .14em; opacity: .85; }
.work .zoom { position: absolute; top: 14px; right: 14px; width: 36px; height: 36px; border-radius: 50%; display: grid; place-items: center; background: rgb(255 255 255 / .9); color: #2a2638; opacity: 0; transform: scale(.7); transition: opacity .4s, transform .4s var(--ease); }
.work:hover .zoom { opacity: 1; transform: none; }
/* 仮サムネイル（テーマ色から自動生成） */
.ph-1 { background: radial-gradient(circle at 70% 30%, #fff8 0 8%, transparent 9%), linear-gradient(135deg, var(--accent), color-mix(in srgb, var(--accent-2) 50%, #fff)); }
.ph-2 { background: radial-gradient(circle at 30% 60%, #fff6 0 14%, transparent 15%), linear-gradient(135deg, var(--accent-2), color-mix(in srgb, var(--accent) 40%, #fff)); }
.ph-3 { background: radial-gradient(circle at 50% 50%, #fff7 0 20%, transparent 21%), linear-gradient(135deg, color-mix(in srgb, var(--accent) 50%, #fff), var(--accent)); }
.ph-4 { background: radial-gradient(circle at 80% 20%, #fff9 0 4%, transparent 5%), radial-gradient(circle at 20% 70%, #fff6 0 2%, transparent 3%), linear-gradient(135deg, var(--accent), color-mix(in srgb, var(--accent) 40%, #000)); }
.ph-5 { background: radial-gradient(ellipse 80% 40% at 50% 100%, #fff6 0 99%, transparent 100%), linear-gradient(160deg, var(--accent-2), var(--accent)); }

.lightbox { padding: 0; border: 0; background: transparent; max-width: min(900px, 92vw); width: 100%; overflow: visible; }
.lightbox::backdrop { background: rgb(15 12 24 / .82); backdrop-filter: blur(6px); }
.lightbox[open] { animation: lbIn .5s var(--ease); }
@keyframes lbIn { from { opacity: 0; transform: scale(.94); } }
.lb-img { aspect-ratio: 4 / 3; border-radius: var(--radius); overflow: hidden; }
.lb-img > * { width: 100%; height: 100%; object-fit: contain; }
.lb-cap { margin-top: 14px; color: #fff; text-align: center; }
.lb-cap small { display: block; font-family: var(--font-en); font-size: 11px; letter-spacing: .14em; opacity: .7; }
.lb-close { position: absolute; top: -52px; right: 0; width: 42px; height: 42px; border-radius: 50%; border: 1px solid rgb(255 255 255 / .4); background: none; color: #fff; font-size: 20px; cursor: pointer; }

/* ================= Guidelines ================= */
.guide-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 760px) { .guide-grid { grid-template-columns: 1fr; } }
.guide { padding: clamp(24px, 3.4vw, 36px); }
.guide h3 { margin: 0 0 4px; font-family: var(--font-display); font-size: 18px; }
.guide .tagline { margin: 0 0 18px; font-size: 13px; color: var(--muted); }
.guide ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.guide li { display: grid; grid-template-columns: 22px 1fr; gap: 10px; font-size: 14px; line-height: 1.7; }
.guide li::before { content: ""; width: 20px; height: 20px; margin-top: 2px; border-radius: 50%; background: var(--mark-bg) center / 12px no-repeat; }
.guide li.ok { --mark-bg: color-mix(in srgb, #33a493 18%, transparent) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2333a493' stroke-width='3.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12.5l4.5 4.5L19 7'/%3E%3C/svg%3E"); }
.guide li.ng { --mark-bg: rgb(226 85 122 / .16) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23e2557a' stroke-width='3.4' stroke-linecap='round'%3E%3Cpath d='M7 7l10 10M17 7L7 17'/%3E%3C/svg%3E"); }

/* ================= News ================= */
.news { padding: 6px clamp(20px, 3vw, 36px); }
.news ul { list-style: none; margin: 0; padding: 0; }
.news li { display: grid; grid-template-columns: 7em 6em 1fr; gap: 16px; align-items: baseline; padding: 20px 0; border-bottom: 1px solid var(--line); }
.news li:last-child { border: 0; }
.news time { font-family: var(--font-en); color: var(--muted); font-size: 14px; letter-spacing: .04em; }
.news .cat { font-family: var(--font-en); font-size: 10px; letter-spacing: .16em; text-align: center; padding: 3px 0; border-radius: 999px; background: color-mix(in srgb, var(--accent) 14%, transparent); color: var(--accent); }
.news p { margin: 0; }
@media (max-width: 560px) {
  .news li { grid-template-columns: auto 6em; gap: 6px 12px; justify-content: start; }
  .news li p { grid-column: 1 / -1; }
}

/* ================= Contact ================= */
.contact { position: relative; overflow: hidden; text-align: center; padding: clamp(48px, 7vw, 80px) 24px; }
.contact::before { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 15% 20%, color-mix(in srgb, var(--accent) 22%, transparent), transparent 45%), radial-gradient(circle at 85% 80%, color-mix(in srgb, var(--accent-2) 22%, transparent), transparent 45%); }
.contact > * { position: relative; }
.contact .sec-head { justify-items: center; margin-bottom: 22px; }
.contact p { color: var(--muted); margin: 0 0 26px; }
.mail-row { display: inline-flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 14px; }
.mail { font-family: var(--font-en); font-size: clamp(18px, 3.2vw, 28px); font-weight: 500; letter-spacing: .04em; word-break: break-all; user-select: all; }
.copy { padding: 9px 18px; font-size: 12px; }
.contact .note { margin: 22px 0 0; font-size: 12px; }

/* ================= Footer ================= */
footer { padding-block: 56px calc(48px + env(safe-area-inset-bottom, 0px)); text-align: center; overflow: hidden; }
footer .big { margin-bottom: 28px; font-family: var(--font-en); font-weight: var(--en-light); font-size: clamp(36px, 10vw, 130px); line-height: 1; letter-spacing: .08em; white-space: nowrap; color: transparent; -webkit-text-stroke: 1px color-mix(in srgb, var(--muted) 45%, transparent); user-select: none; }
footer small { font-family: var(--font-en); font-size: 12px; color: var(--muted); letter-spacing: .08em; }
footer small .credit { display: block; margin-bottom: 4px; }
footer a { color: var(--accent); text-decoration: none; }

/* ================= To top / Toast ================= */
.to-top {
  position: fixed; right: 18px; bottom: calc(18px + env(safe-area-inset-bottom, 0px)); z-index: 15;
  width: 52px; height: 52px; border-radius: 50%; border: 0; cursor: pointer;
  background: var(--surface); box-shadow: 0 8px 24px -10px rgb(0 0 0 / .3);
  display: grid; place-items: center;
  opacity: 0; transform: translateY(16px); pointer-events: none; transition: opacity .4s, transform .4s var(--ease);
}
.to-top.show { opacity: 1; transform: none; pointer-events: auto; }
.to-top svg { position: absolute; inset: 0; transform: rotate(-90deg); }
.to-top circle { fill: none; stroke-width: 2; }
.to-top .track { stroke: var(--line); }
.to-top .bar { stroke: var(--accent); stroke-linecap: round; stroke-dasharray: 150.8; stroke-dashoffset: 150.8; }
.toast { position: fixed; left: 50%; bottom: calc(28px + env(safe-area-inset-bottom, 0px)); z-index: 30; translate: -50% 0; padding: 10px 20px; border-radius: 999px; background: var(--text); color: var(--bg); font-size: 13px; opacity: 0; transform: translateY(10px); transition: opacity .3s, transform .3s var(--ease); pointer-events: none; }
.toast.show { opacity: 1; transform: none; }

/* ================= Reveal ================= */
.js .reveal { opacity: 0; transform: translateY(32px); transition: opacity 1s var(--ease), transform 1s var(--ease); transition-delay: var(--d, 0s); }
.js .reveal.in { opacity: 1; transform: none; }
.js .hero h1 .line > span { transform: translateY(105%); transition: transform 1.2s var(--ease); transition-delay: var(--d, 0s); }
.js .ready .hero h1 .line > span { transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .reveal, .js .hero h1 .line > span { opacity: 1; transform: none; transition: none; }
  .ring svg, .visual .bit, .marquee-track, .next-card, .scroll-hint::after, .next-card .lbl::before { animation: none; }
}

/* ================= 素材ガイドモード（URLに ?guide を付けると表示） ================= */
.guide-on [data-slot] { outline: 3px dashed #ff2e88; outline-offset: -3px; }
.guide-on [data-slot]::after {
  content: attr(data-slot); position: absolute; left: 10px; top: 10px; z-index: 5;
  max-width: calc(100% - 20px); padding: 6px 10px; border-radius: 8px;
  font: 600 11px/1.5 system-ui, sans-serif; letter-spacing: 0; white-space: pre-line; text-align: left;
  color: #fff; background: #ff2e88;
}
.guide-on .visual { rotate: 0deg; }
.guide-on .visual::after { top: 50%; left: 50%; translate: -50% -50%; }
.guide-panel {
  position: fixed; left: 16px; bottom: calc(16px + env(safe-area-inset-bottom, 0px)); z-index: 50;
  width: min(340px, calc(100vw - 32px)); max-height: 70vh; overflow: auto;
  padding: 16px 18px; border-radius: 14px;
  font: 13px/1.6 system-ui, sans-serif; color: #fff; background: rgb(24 18 34 / .94);
  box-shadow: 0 20px 50px -20px rgb(0 0 0 / .6);
}
.guide-panel header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.guide-panel header b { color: #ff7ab8; letter-spacing: .06em; }
.guide-panel header button { border: 0; background: none; color: #fff; font-size: 16px; cursor: pointer; }
.guide-panel ol { margin: 0; padding-left: 1.4em; display: grid; gap: 8px; }
.guide-panel li { cursor: pointer; white-space: pre-line; }
.guide-panel li:hover { color: #ff9cc8; }
.guide-panel li.offpage { cursor: default; opacity: .8; }
.guide-panel li.offpage:hover { color: inherit; }