/* =========================================================
   CakeKeep — style.css
   色やフォントは :root の変数だけ変えれば全体に反映されます。
   ブランドカラーはデザイナー提供ロゴ（img/brand/）から抽出。
   ========================================================= */

:root {
  /* Brand colors（ロゴから抽出） */
  --red:        #A92025;
  --red-deep:   #8A181D;
  --red-soft:   #ED7173;   /* いちごのピンク */
  --sky:        #A9D6F3;
  --sky-deep:   #7DBFE8;
  --cream:      #FCF9E5;   /* ロゴのクリーム */
  --butter:     #FFF3D1;   /* セクション背景用のすこし濃いクリーム */
  --bg:         #FFFDF7;
  --ink:        #4A2426;   /* 本文色：純黒よりやわらかいココア寄り */
  --ink-soft:   #7E5A5C;
  --white:      #FFFFFF;

  /* Typography */
  --font-pixel: "DotGothic16", monospace;          /* ラベル・アクセント */
  --font-body:  "Zen Maru Gothic", system-ui, sans-serif;

  /* Shape */
  --radius:     20px;
  --radius-lg:  32px;
  --border:     3px solid var(--red);
  --shadow:     6px 6px 0 var(--red);
  --shadow-sm:  4px 4px 0 var(--red);

  --container:  1120px;
  --header-h:   72px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); }
body {
  margin: 0;
  font-family: var(--font-body);
  font-weight: 500;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.9;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, p { margin: 0; }
.pixel { image-rendering: pixelated; }

.container { width: min(100% - 32px, var(--container)); margin-inline: auto; }
.container.narrow { max-width: 760px; }
.center { text-align: center; }

/* ---------- Header ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  height: var(--header-h);
  border-bottom: 2px solid transparent;
  transition: border-color .3s, box-shadow .3s;
}
.site-header.is-scrolled { border-bottom-color: var(--red); }
/* すりガラスは疑似要素に。ヘッダー本体に backdrop-filter を付けると、
   スマホの全画面メニュー（position: fixed）がヘッダーの高さに閉じ込められて背景が透けるため */
.site-header::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.header-inner { height: 100%; display: flex; align-items: center; justify-content: space-between; }

.brand { display: inline-flex; align-items: center; gap: 6px; text-decoration: none; }
.brand-logo { height: 44px; width: auto; }

.global-nav ul { display: flex; gap: 8px; align-items: center; }
.global-nav a {
  display: block; padding: 6px 14px; border-radius: 999px;
  font-family: var(--font-pixel); font-size: .95rem; letter-spacing: .08em;
  color: var(--red); text-decoration: none;
  transition: background .2s, color .2s;
}
.global-nav a:hover { background: var(--butter); }
.global-nav .nav-cta { background: var(--red); color: var(--cream); }
.global-nav .nav-cta:hover { background: var(--red-deep); }

.nav-toggle { display: none; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: 14px 32px;
  border: var(--border);
  border-radius: 999px;
  font-weight: 700;
  text-decoration: none;
  box-shadow: var(--shadow-sm);
  transition: transform .15s, box-shadow .15s;
}
.btn:hover  { transform: translate(-2px, -2px); box-shadow: 6px 6px 0 var(--red); }
.btn:active { transform: translate(3px, 3px);   box-shadow: 1px 1px 0 var(--red); }
.btn-primary { background: var(--red); color: var(--cream); }
.btn-ghost   { background: var(--white); color: var(--red); }
.btn-cream   { background: var(--cream); color: var(--red); border-color: var(--cream); box-shadow: 4px 4px 0 var(--red-deep); }
.btn-cream:hover { box-shadow: 6px 6px 0 var(--red-deep); }
.btn-lg { font-size: 1.1rem; padding: 18px 40px; }
.btn-sm { padding: 8px 20px; font-size: .9rem; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: grid; place-items: center;
  padding: calc(var(--header-h) + 40px) 0 120px;
  background:
    radial-gradient(circle at 15% 20%, var(--sky) 0 18%, transparent 19%),
    radial-gradient(circle at 88% 75%, var(--butter) 0 20%, transparent 21%),
    radial-gradient(var(--sky) 1.5px, transparent 1.5px) 0 0 / 22px 22px,
    var(--bg);
  overflow: hidden;
}
.hero-inner { position: relative; z-index: 2; text-align: center; }

.hero-logo { position: relative; display: inline-block; margin: 0; line-height: 0; }
/* ドット絵ロゴ：原寸の2倍（726px）で表示。拡大表示のときだけドットをくっきり */
.hero-logo img { width: min(84vw, 640px); height: auto; user-select: none; -webkit-user-drag: none; }
@media (min-width: 740px) { .hero-logo img { image-rendering: pixelated; } }
/* ロゴ内のケーキ部分に重ねる透明ボタン */
.logo-cake-hit {
  position: absolute; left: 67%; top: 6%; width: 21%; height: 52%;
  border: 0; padding: 0; background: transparent; cursor: pointer;
  -webkit-tap-highlight-color: transparent; border-radius: 12px;
}
.logo-cake-hit:focus-visible { outline: 3px dashed var(--sky-deep); }
.hero-actions { margin-top: 40px; display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

.hero-bg { position: absolute; inset: 0; z-index: 1; pointer-events: none; }
.spark, .berry { position: absolute; height: auto; }
.spark { width: 28px; animation: twinkle 2.4s ease-in-out infinite; }
.s1 { top: 22%; left: 12%; }
.s2 { top: 16%; right: 18%; width: 36px; animation-delay: .6s; }
.s3 { bottom: 26%; right: 10%; animation-delay: 1.2s; }
.s4 { bottom: 20%; left: 20%; width: 20px; animation-delay: 1.8s; }
.berry { width: 44px; animation: float 5s ease-in-out infinite; }
.b1 { top: 58%; left: 7%; transform: rotate(-15deg); }
.b2 { top: 28%; right: 7%; width: 34px; animation-delay: 1.5s; }

/* ---------- Waves ---------- */
.wave { position: absolute; left: 0; width: 100%; height: 60px; display: block; }
.wave-bottom { bottom: -1px; }
.wave-bottom path { fill: var(--red); }
.wave-top { top: -1px; }
.wave-top path { fill: var(--cream); }

/* ---------- Marquee ---------- */
.marquee {
  background: var(--red); color: var(--cream);
  font-family: var(--font-pixel); letter-spacing: .15em;
  padding: 14px 0; overflow: hidden; white-space: nowrap;
}
.marquee-track { display: flex; width: max-content; animation: marquee var(--marquee-dur, 28s) linear infinite; }
.marquee-track span { flex: none; padding-right: 0; }

/* ---------- Sections ---------- */
.section { position: relative; padding: 120px 0; }
.section-cream { background: var(--butter); }
.section-sky {
  background:
    radial-gradient(var(--white) 2px, transparent 2px) 0 0 / 26px 26px,
    var(--sky);
  padding-top: 150px;
}
.section-red { background: var(--red); color: var(--cream); }

.section-head { text-align: center; margin-bottom: 56px; }
.section-label {
  display: inline-flex; align-items: center; gap: 14px;
  font-family: var(--font-pixel); letter-spacing: .3em; font-size: .95rem; color: var(--red);
}
.section-label::before, .section-label::after {
  content: ""; width: 40px; height: 2px; background: currentColor;
}
.section-title {
  margin-top: 8px;
  font-size: clamp(1.8rem, 4vw, 2.6rem); font-weight: 900; color: var(--red); letter-spacing: .04em;
}
.section-red .section-label,
.section-red .section-title { color: var(--cream); }

/* ---------- Card（共通） ---------- */
.card {
  background: var(--white);
  border: var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  transition: transform .2s, box-shadow .2s;
}
.card:hover { transform: translate(-3px, -3px); box-shadow: 9px 9px 0 var(--red); }

/* ---------- About ---------- */
.about-body { max-width: 880px; margin: 0 auto 64px; text-align: center; font-size: 1.05rem; }
.value-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.value-card { padding: 36px 28px; text-align: center; }
.value-icon { width: 56px; height: 56px; object-fit: contain; margin: 0 auto 16px; }
.value-icon-cake { width: 72px; height: 72px; margin-top: -8px; margin-bottom: 8px; border-radius: 50%; }
.pc-only { display: inline; }
@media (max-width: 760px) { .pc-only { display: none; } }
.value-card h3 { font-size: 1.3rem; font-weight: 900; color: var(--red); margin-bottom: 6px; }
.value-card p { color: var(--ink-soft); font-size: .95rem; }

/* ---------- Works ---------- */
.works-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 32px; max-width: 880px; margin-inline: auto; }
.work-card { overflow: hidden; display: grid; grid-template-columns: 1.1fr 1fr; }
.works-grid:has(.work-card:only-child) { grid-template-columns: 1fr; }
.work-thumb { position: relative; background: var(--cream); min-height: 280px; border-right: var(--border); }
.thumb-placeholder {
  position: absolute; inset: 0; display: grid; place-content: center; justify-items: center; gap: 14px;
  background:
    repeating-conic-gradient(var(--butter) 0 25%, #FFE9B0 0 50%) 0 0 / 32px 32px;
  font-family: var(--font-pixel); color: var(--red); letter-spacing: .2em;
}
.thumb-placeholder img { width: 96px; animation: bob 3s ease-in-out infinite; }
.badge {
  position: absolute; top: 16px; left: 16px;
  background: var(--red); color: var(--cream);
  font-family: var(--font-pixel); font-size: .8rem; letter-spacing: .12em;
  padding: 4px 12px; border-radius: 999px;
}
.work-info { padding: 36px 32px; display: flex; flex-direction: column; justify-content: center; gap: 10px; }
.work-link { align-self: flex-start; margin-top: 8px; }
.ck-toast a { color: var(--red); font-weight: 700; }
.work-title { font-size: 1.7rem; font-weight: 900; color: var(--red); }
.work-meta { font-family: var(--font-pixel); color: var(--ink-soft); font-size: .9rem; }

/* ---------- News ---------- */
.news-list { border-top: 2px dashed var(--red); }
.news-list li {
  display: grid; grid-template-columns: auto auto 1fr; gap: 20px; align-items: center;
  padding: 22px 8px; border-bottom: 2px dashed var(--red);
}
.news-list time { font-family: var(--font-pixel); color: var(--red); letter-spacing: .05em; }
.tag {
  font-family: var(--font-pixel); font-size: .75rem; letter-spacing: .1em;
  padding: 2px 12px; border-radius: 999px;
  background: var(--sky); color: var(--red-deep);
  justify-self: start;
}
.tag-dev { background: var(--cream); border: 2px solid var(--red); }

/* ---------- Members ---------- */
.member-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 28px; max-width: 840px; margin-inline: auto; }
.member-card { position: relative; padding: 36px 24px 32px; text-align: center; display: flex; flex-direction: column; align-items: center; }
.leader-ribbon {
  position: absolute; top: 18px; left: -3px;
  background: var(--red); color: var(--cream);
  font-family: var(--font-pixel); font-size: .72rem; letter-spacing: .15em;
  padding: 3px 12px 3px 14px; border-radius: 0 999px 999px 0;
}
.member-x {
  margin-top: 16px; display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 16px; border: 2px solid var(--red); border-radius: 999px;
  font-family: var(--font-pixel); font-size: .85rem; color: var(--red); text-decoration: none;
  transition: background .2s, color .2s;
}
.member-x svg { width: 14px; height: 14px; fill: currentColor; }
.member-x:hover { background: var(--red); color: var(--cream); }
.avatar {
  width: 120px; height: 120px; margin: 0 auto 18px;
  border-radius: 50%; border: var(--border);
  display: grid; place-items: center;
}
.avatar { overflow: hidden; width: 140px; height: 140px; }
.avatar img { width: 100%; height: 100%; object-fit: cover; }
.avatar-red   { background: var(--red); }
.avatar-sky   { background: var(--sky); }
.avatar-pink  { background: #FBE3EA; }
.member-card h3 { font-size: 1.35rem; font-weight: 900; color: var(--red); }
.role { font-family: var(--font-pixel); color: var(--ink-soft); font-size: .88rem; letter-spacing: .05em; line-height: 1.7; }
.role span { white-space: nowrap; }
.member-bio { margin-top: 10px; font-size: .92rem; }

/* ---------- Contact ---------- */
#contact p { margin-bottom: 32px; }
.contact-x { display: flex; gap: 18px; justify-content: center; flex-wrap: wrap; }
.contact-x .btn { display: inline-flex; align-items: center; gap: 12px; padding: 12px 28px; text-align: left; }
.contact-x svg { width: 20px; height: 20px; fill: currentColor; flex: none; }
.contact-x span { display: flex; flex-direction: column; line-height: 1.3; font-family: var(--font-pixel); font-weight: 400; }
.contact-x small { font-family: var(--font-body); font-weight: 700; font-size: .8rem; }

/* ---------- Footer ---------- */
.site-footer { background: var(--red-deep); color: var(--cream); padding: 32px 0; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.brand-footer img { width: 64px; height: 64px; }
.site-footer small { font-family: var(--font-pixel); letter-spacing: .05em; opacity: .85; }
.to-top {
  width: 48px; height: 48px; border-radius: 50%; background: var(--cream);
  display: grid; place-items: center; transition: transform .2s;
}
.to-top:hover { transform: translateY(-4px); }
.to-top img { width: 22px; }

/* ---------- Reveal on scroll ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

/* ---------- Animations ---------- */
@keyframes bob     { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
@keyframes float   { 0%,100% { translate: 0 0; rotate: -12deg; } 50% { translate: 0 -16px; rotate: 8deg; } }
@keyframes twinkle { 0%,100% { opacity: 1; scale: 1; } 50% { opacity: .3; scale: .6; } }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }


/* ---------- Works 追記 ---------- */
.tentative { font-size: .55em; font-weight: 700; color: var(--ink-soft); margin-left: 4px; }

/* =========================================================
   🍓 Secret（隠しギミック用） — js/secret.js と対応
   ========================================================= */
.hero-logo.is-munch img { animation: logoMunch .28s ease; }
@keyframes logoMunch { 0%,100% { transform: none; } 40% { transform: scale(.97, 1.02) rotate(-1.5deg); } }

.ck-toast {
  position: fixed; left: 50%; bottom: 24px; z-index: 300;
  width: min(92vw, 420px);
  translate: -50% 140%;
  padding: 16px 20px;
  background: var(--white); color: var(--ink);
  border: var(--border); border-radius: var(--radius); box-shadow: var(--shadow);
  font-size: .95rem; line-height: 1.7; text-align: center;
  transition: translate .45s cubic-bezier(.2, 1.4, .4, 1);
}
.ck-toast.is-show { translate: -50% 0; }
.ck-toast b { color: var(--red); }
.ck-toast small { color: var(--ink-soft); font-family: var(--font-pixel); }
.ck-toast code { background: var(--butter); padding: 1px 6px; border-radius: 6px; color: var(--red); }

.ck-pop-berry {
  position: fixed; z-index: 290; width: 36px; height: auto;
  translate: -50% -50%; pointer-events: none;
  animation: berryPop 1.1s cubic-bezier(.2, .8, .3, 1) forwards;
}
body.ck-spell .hero-logo { animation: spell 1.1s ease; }

@keyframes munch    { 0% { transform: scale(1); } 40% { transform: scale(.85, 1.1) rotate(-6deg); } 100% { transform: scale(1); } }
@keyframes poke     { 0%,100% { transform: none; } 30% { transform: scale(1.6) rotate(45deg); } }
@keyframes berryPop { 0% { transform: scale(.4); opacity: 0; } 25% { transform: translateY(-60px) scale(1.4); opacity: 1; }
                      100% { transform: translateY(-140px) scale(.8) rotate(360deg); opacity: 0; } }
@keyframes spell    { 0%,100% { filter: none; } 25% { filter: hue-rotate(160deg) saturate(1.6); } 50% { filter: hue-rotate(300deg); } 75% { filter: hue-rotate(80deg); } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .value-grid { grid-template-columns: 1fr; max-width: 420px; margin-inline: auto; }
  .work-card { grid-template-columns: 1fr; }
  .work-thumb { border-right: none; border-bottom: var(--border); min-height: 240px; }
  .thumb-placeholder { padding-top: 36px; }
}

@media (max-width: 760px) {
  :root { --header-h: 64px; }
  .section { padding: 88px 0; }
  .section-sky { padding-top: 120px; }

  .nav-toggle {
    display: grid; gap: 5px; place-content: center;
    width: 46px; height: 46px; border-radius: 50%;
    background: var(--red); border: none; cursor: pointer; z-index: 110;
  }
  .nav-toggle span { width: 20px; height: 2.5px; background: var(--cream); border-radius: 2px; transition: transform .3s, opacity .3s; }
  .nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

  .global-nav {
    position: fixed; inset: 0; z-index: 105;
    background: var(--cream);
    display: grid; place-items: center;
    opacity: 0; visibility: hidden; transition: opacity .3s, visibility .3s;
  }
  .global-nav.is-open { opacity: 1; visibility: visible; }
  .global-nav ul { flex-direction: column; gap: 18px; }
  .global-nav a { font-size: 1.4rem; padding: 10px 28px; }

  .news-list li { grid-template-columns: auto 1fr; gap: 6px 14px; }
  .news-list li p { grid-column: 1 / -1; }

  .footer-inner { flex-direction: column; text-align: center; }
  .hero-cake { right: -0.35em; }
}