/* HOME のオープニングアニメーション（assets/js/opening.js が組み立てる）。決定の経緯: notes/phase1.md。
   部品の大きさは 1280 × 800 の画面を基準に px で決め、狭い画面では opening.js が zoom で縮める。
   お店の CSS と名前がぶつからないよう、すべて .op の中に閉じる。 */

/* 流すと決まってから opening.js がオーバーレイを置くまで、HOME を隠す（HOME が一瞬見えてからオープニングが始まるのを避ける） */
html[data-opening-play]:not([data-opening-started]) body { visibility: hidden; }

.op { --logo-teal: #4b98a8; position: absolute; inset: 0; z-index: 10; overflow: hidden; cursor: pointer; }
.op--page { position: fixed; z-index: 1000; }
.op img { display: block; max-width: none; }
.op .logo { height: 300px; width: auto; }
.op__skip { position: absolute; right: 24px; bottom: 20px; z-index: 5; padding: 6px 14px; border-radius: 999px; background: rgba(0, 0, 0, .45); color: #fff; font: 700 13px var(--font-display); letter-spacing: .1em; }
.op .center { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); }
.op--mat { background-color: var(--mat); background-image:
    linear-gradient(var(--mat-line-bold) 2px, transparent 2px), linear-gradient(90deg, var(--mat-line-bold) 2px, transparent 2px),
    linear-gradient(var(--mat-line) 1px, transparent 1px), linear-gradient(90deg, var(--mat-line) 1px, transparent 1px);
  background-size: 240px 240px, 240px 240px, 48px 48px, 48px 48px; }
/* ロゴの元画像と同じ、青緑の地に黒い粒 */
.op--teal { background-color: var(--logo-teal); background-image:
    radial-gradient(circle at 20% 30%, #1d2a2c 0 1.2px, transparent 1.6px), radial-gradient(circle at 70% 80%, #1d2a2c 0 1px, transparent 1.4px), radial-gradient(circle at 50% 10%, #1d2a2c 0 .8px, transparent 1.2px);
  background-size: 97px 89px, 61px 73px, 43px 51px; }
.op .glow { filter: drop-shadow(0 0 10px rgba(236, 172, 72, .75)) drop-shadow(0 0 28px rgba(236, 172, 72, .45)); }
.op .flash { position: absolute; inset: 0; background: #fff; opacity: 0; }
.op .scan { position: absolute; inset: 0; pointer-events: none; }

/* shutter: 工場のシャッター */
.op--shutter { background: repeating-linear-gradient(#c9cdd1 0 30px, #9aa0a6 30px 34px, #e2e5e8 34px 36px); box-shadow: inset 0 -18px 0 #6c7177; }
.op--shutter .plate { padding: 26px 46px 20px; border: 6px solid var(--ink); border-radius: 14px; background-color: var(--logo-teal); box-shadow: 0 8px 0 rgba(0, 0, 0, .25); }
.op--shutter .plate .logo { height: 240px; }
.op--shutter .plate small { display: block; margin-top: 12px; text-align: center; font: 900 18px var(--font-display); letter-spacing: .3em; color: #fff; }
.op--shutter .handle { position: absolute; bottom: 34px; left: 50%; width: 140px; height: 18px; margin-left: -70px; border-radius: 9px; background: #4b5056; }

/* jack: 異次元からの電波ジャック */
.op--jack { background: #000; }
.op--jack canvas { position: absolute; inset: 0; width: 100%; height: 100%; opacity: .35; image-rendering: pixelated; }
.op--jack .scan { background: repeating-linear-gradient(rgba(0, 0, 0, .35) 0 2px, transparent 2px 4px); }
.op--jack .ghost { width: 300px; height: 326px; }
.op--jack .ghost img { position: absolute; inset: 0; width: 100%; height: 100%; }
.op--jack .r { filter: brightness(0) invert(1) sepia(1) saturate(30) hue-rotate(-50deg); mix-blend-mode: screen; }
.op--jack .c { filter: brightness(0) invert(1) sepia(1) saturate(20) hue-rotate(140deg); mix-blend-mode: screen; }
.op--jack .msg { position: absolute; top: calc(50% + 190px); left: 0; right: 0; text-align: center; font: 700 20px ui-monospace, Menlo, "Hiragino Sans", monospace; letter-spacing: .2em; color: #ff3b2b; }

/* clip: 目玉クリップで吊られた看板 */
.op--clip .hang { position: absolute; top: -40px; left: 50%; width: 400px; margin-left: -200px; transform-origin: 50% 0; }
.op--clip .wire { width: 3px; height: 150px; margin: 0 auto; background: var(--ink); }
.op--clip .clip { width: 120px; margin: -30px auto 0; position: relative; z-index: 2; }
.op--clip .card { margin-top: -70px; padding: 60px 50px 30px; border: 12px solid #fff; background-color: var(--logo-teal); box-shadow: 0 18px 30px rgba(7, 38, 55, .4); }
.op--clip .card .logo { height: 280px; margin: 0 auto; }
.op--clip .card small { display: block; margin-top: 14px; text-align: center; font: 900 16px var(--font-heading); letter-spacing: .2em; color: #fff; }

/* stamp: 作業伝票にロゴのハンコ */
.op--stamp { background: rgba(43, 46, 46, .82); }
.op--stamp .slip { width: 560px; padding: 28px 32px; border-radius: 4px; background: var(--paper); box-shadow: 0 20px 40px rgba(0, 0, 0, .4); font: 700 18px var(--font-display); color: var(--ink); }
.op--stamp .slip-title { margin: 0 0 14px; padding-bottom: 10px; border-bottom: 3px double var(--ink); font: 900 24px var(--font-display); letter-spacing: .2em; }
.op--stamp .row { display: flex; gap: 16px; padding: 8px 0; border-bottom: 1px dashed #b9b1a5; opacity: 0; }
.op--stamp .row span:first-child { width: 7em; color: var(--muted); }
.op--stamp .seal { position: absolute; right: 26px; bottom: 22px; width: 200px; height: 200px; border: 7px solid #d4271b; border-radius: 50%; display: grid; place-items: center; align-content: center; gap: 4px; color: #d4271b; opacity: 0; mix-blend-mode: multiply; }
/* mask-image はファイルを直接開いたとき（file://）に読み込めないので、黄色のロゴを filter で朱に変える */
.op--stamp .seal img { height: 116px; filter: brightness(0) invert(18%) sepia(95%) saturate(5000%) hue-rotate(355deg); }
.op--stamp .seal b { font: 900 22px var(--font-heading); letter-spacing: .2em; }

/* stickers: ステッカーがバンバン貼られる */
.op--stickers .stk { position: absolute; height: 230px; width: auto; filter: drop-shadow(0 6px 0 var(--shadow-deep)) drop-shadow(0 14px 16px rgba(22, 76, 79, .3)); opacity: 0; }
.op--stickers .logostk { padding: 30px 40px; border-radius: 28px; background-color: var(--logo-teal); box-shadow: 0 0 0 12px #fff, 0 16px 0 12px var(--shadow-deep); opacity: 0; }
.op--stickers .logostk .logo { height: 280px; }

/* capsule: カプセルトイ */
.op--capsule .capsule { position: absolute; top: 50%; left: 50%; width: 240px; height: 240px; margin: -120px 0 0 -120px; }
.op--capsule .top, .op--capsule .bot { position: absolute; left: 0; width: 240px; height: 120px; }
.op--capsule .top { top: 0; border-radius: 120px 120px 0 0; background: radial-gradient(circle at 35% 40%, rgba(255, 255, 255, .7) 0 14%, transparent 15%), rgba(75, 152, 168, .85); box-shadow: inset 0 -6px 0 rgba(0, 0, 0, .15); }
.op--capsule .bot { top: 120px; display: grid; place-items: center; padding-bottom: 16px; border-radius: 0 0 120px 120px; background: var(--paper); box-shadow: inset 0 -14px 0 rgba(0, 0, 0, .08); }
.op--capsule .bot img { height: 74px; }
.op--capsule .shadow { position: absolute; left: 30px; right: 30px; bottom: -40px; height: 20px; border-radius: 50%; background: rgba(7, 38, 55, .3); }
.op--capsule .pop { position: absolute; left: 50%; bottom: calc(50% - 20px); height: 330px; margin-left: -104px; opacity: 0; filter: drop-shadow(0 6px 0 var(--shadow-deep)); }
.op--capsule .spark { position: absolute; width: 60px; opacity: 0; }

/* blueprint: 設計図からロゴを描く */
.op--blueprint svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.op--blueprint .dim { stroke: #fff; stroke-width: 2; fill: #fff; opacity: 0; }
.op--blueprint .lbl { font: 700 18px ui-monospace, Menlo, "Hiragino Sans", monospace; fill: #fff; opacity: 0; }
.op--blueprint .logo { height: 420px; top: 46%; }
.op--blueprint .line { filter: brightness(0) invert(1); }
.op--blueprint .fill { opacity: 0; }

/* crt: ブラウン管のスイッチ ON */
.op--crt .half { position: absolute; left: 0; right: 0; height: 50%; background: #000; }
.op--crt .half--t { top: 0; }
.op--crt .half--b { bottom: 0; }
.op--crt .beam { position: absolute; top: 50%; left: 0; right: 0; height: 4px; margin-top: -2px; background: #fff; box-shadow: 0 0 20px 6px #cfe8ff; transform: scaleX(0); }
.op--crt .scan { background: repeating-linear-gradient(rgba(0, 0, 0, .18) 0 2px, transparent 2px 4px); opacity: 0; }
.op--crt .logo { opacity: 0; }

/* neon: ネオン看板が点く */
.op--neon { background: radial-gradient(ellipse at 50% 45%, #1d3a40 0, #0b1517 70%); }
.op--neon .logo { height: 380px; }
.op--neon .on { opacity: 0; filter: drop-shadow(0 0 6px #ffd27a) drop-shadow(0 0 22px rgba(236, 172, 72, .9)) drop-shadow(0 0 60px rgba(236, 172, 72, .6)); }
.op--neon .off { opacity: .22; filter: saturate(.3) brightness(.6); }

/* eyes: 暗闇でアクマの目が光る */
.op--eyes { background: #050808; }
.op--eyes .logo { height: 380px; }
.op--eyes .body { opacity: 0; }
/* 目だけを切り出す（目の位置はロゴ画像の左から 40〜56%・上から 22〜38%） */
.op--eyes .eye { opacity: 0; clip-path: inset(22% 44% 62% 40%); transform-origin: 48% 30%; filter: drop-shadow(0 0 8px #fff3c2) drop-shadow(0 0 22px #ecac48); }

/* warp: 異次元ワープ */
.op--warp canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.op--warp .logo { height: 380px; opacity: 0; }

/* press: プレス機で組み立て */
.op--press .part { position: absolute; top: 50%; left: 50%; height: 400px; margin: -200px 0 0 -184px; opacity: 0; }
.op--press .shadow { position: absolute; top: calc(50% + 205px); left: 50%; width: 420px; height: 26px; margin-left: -210px; border-radius: 50%; background: rgba(7, 38, 55, .3); }
.op--press .label { position: absolute; top: calc(50% - 250px); left: 50%; transform: translateX(-50%); padding: 4px 14px; border-radius: 4px; background: var(--ink); color: #fff; font: 900 16px var(--font-display); letter-spacing: .25em; opacity: 0; }