/* ── Oshily LP ── 夜のための、静かな配色 ───────────────── */
:root {
  --canvas: #07070C;
  --canvas-deep: #040407;
  --surface: #101019;
  --surface-raised: #16161F;
  --surface-high: #1D1D28;
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.14);
  --text: #E7E4EE;
  --text-2: #B6B2C6;
  --text-3: #918DA8;
  --text-faint: #6E6A87;
  --ember: #E3B39C;
  --violet: #8B7BF5;
  --rose: #E79BB4;
  --gold: #DCC188;
  --mint: #7FD1C0;
  --serif: "Shippori Mincho", "Hiragino Mincho ProN", "Yu Mincho", serif;
  --sans: "Zen Kaku Gothic New", -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Noto Sans JP", sans-serif;
  --max: 1080px;
  --r: 18px;
}

* { box-sizing: border-box; }
::selection { background: rgba(227,179,156,.32); color: #fff; }
.grain {
  position: fixed; inset: -50%; z-index: 60; pointer-events: none; opacity: .045; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  animation: grain 1.2s steps(4) infinite;
}
@keyframes grain { 0%{transform:translate(0,0)} 25%{transform:translate(-3%,2%)} 50%{transform:translate(2%,-3%)} 75%{transform:translate(-2%,-1%)} 100%{transform:translate(0,0)} }

html { scroll-behavior: smooth; scroll-padding-top: 76px; }

body {
  margin: 0;
  background: var(--canvas);
  color: var(--text);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.9;
  letter-spacing: 0.02em;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--ember); text-decoration: none; }
a:hover { text-decoration: underline; }

/* 言語切替：data-lang に一致しないブロックを隠す */
html[data-lang="ja"] [data-l="en"],
html[data-lang="en"] [data-l="ja"] { display: none !important; }

.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 22px; }
.narrow { max-width: 760px; }

/* ── ヘッダー ───────────────────────────────── */
.hd {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
  background: rgba(7, 7, 12, 0.72);
  border-bottom: 1px solid transparent;
  transition: border-color .3s, background .3s;
}
.hd.scrolled { border-bottom-color: var(--line); }
.hd .wrap { display: flex; align-items: center; gap: 18px; height: 62px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); font-family: var(--serif); font-size: 17px; letter-spacing: .14em; }
.brand:hover { text-decoration: none; }
.brand img { width: 28px; height: 28px; border-radius: 8px; }
.hd nav { display: flex; gap: 20px; margin-left: auto; font-size: 12.5px; color: var(--text-3); }
.hd nav a { color: var(--text-3); letter-spacing: .06em; }
.hd nav a:hover { color: var(--text); text-decoration: none; }
.hd nav a.active { color: var(--ember); }

.langsw { display: flex; border: 1px solid var(--line-strong); border-radius: 999px; overflow: hidden; flex: none; }
.langsw button {
  appearance: none; border: 0; background: transparent; cursor: pointer;
  color: var(--text-faint); font-family: var(--sans); font-size: 11px;
  letter-spacing: .1em; padding: 5px 11px; transition: .2s;
}
.langsw button[aria-pressed="true"] { background: rgba(227, 179, 156, .16); color: var(--ember); }

.hd .cta-sm {
  flex: none; font-size: 12.5px; padding: 8px 16px; border-radius: 999px;
  background: var(--ember); color: #14100E; font-weight: 700; letter-spacing: .04em;
}
.hd .cta-sm:hover { text-decoration: none; opacity: .88; }

@media (max-width: 860px) {
  .hd nav { display: none; }
  .langsw { margin-left: auto; }
}

/* ── ヒーロー ───────────────────────────────── */
.hero { position: relative; min-height: 100svh; display: flex; align-items: center; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; object-position: center 34%; }
.hero-bg::after {
  content: ""; position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(7,7,12,.86) 0%, rgba(7,7,12,.34) 32%, rgba(7,7,12,.78) 72%, var(--canvas) 100%),
    radial-gradient(120% 70% at 50% 106%, rgba(139,123,245,.20), transparent 60%);
}
.hero .wrap { position: relative; z-index: 2; padding-top: 96px; padding-bottom: 64px; }
.eyebrow {
  font-size: 11.5px; letter-spacing: .34em; color: var(--ember);
  text-transform: uppercase; margin: 0 0 22px;
}
.hero h1 {
  font-family: var(--serif); font-weight: 600; margin: 0 0 24px;
  font-size: clamp(30px, 6.6vw, 58px); line-height: 1.45; letter-spacing: .04em;
  text-shadow: 0 2px 40px rgba(0,0,0,.6);
}
.hero h1 .glow { color: var(--ember); }
.hero p.lead {
  margin: 0 0 36px; max-width: 30em; color: var(--text-2);
  font-size: clamp(14px, 1.6vw, 16px); line-height: 2.1;
}

.ctas { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; }
.btn-store {
  display: inline-flex; align-items: center; gap: 11px;
  background: var(--text); color: #0B0910; border-radius: 14px;
  padding: 11px 22px 12px; font-weight: 700; letter-spacing: .03em;
  transition: transform .2s, box-shadow .2s;
  box-shadow: 0 10px 40px rgba(227,179,156,.16);
}
.btn-store:hover { text-decoration: none; transform: translateY(-2px); box-shadow: 0 14px 46px rgba(227,179,156,.26); }
.btn-store svg { width: 26px; height: 26px; flex: none; }
.btn-store .l1 { display: block; font-size: 9.5px; font-weight: 500; letter-spacing: .12em; opacity: .66; line-height: 1.4; }
.btn-store .l2 { display: block; font-size: 15px; line-height: 1.3; }
.btn-ghost {
  display: inline-flex; align-items: center; gap: 8px; color: var(--text-2);
  border: 1px solid var(--line-strong); border-radius: 14px; padding: 12px 20px; font-size: 13.5px;
}
.btn-ghost:hover { text-decoration: none; border-color: var(--ember); color: var(--ember); }
.hero .note { margin: 26px 0 0; font-size: 11.5px; color: var(--text-faint); letter-spacing: .04em; }

.h-in { opacity: 0; transform: translateY(18px); animation: hin 1.1s cubic-bezier(.2,.7,.3,1) forwards; animation-delay: calc(.15s + var(--d, 0) * .14s); }
@keyframes hin { to { opacity: 1; transform: none; } }
.hero-bg img { will-change: transform; transform: translateY(var(--py, 0px)) scale(1.06); }
.orb { position: absolute; border-radius: 50%; filter: blur(70px); pointer-events: none; z-index: 1; mix-blend-mode: screen; }
.orb-a { width: 420px; height: 420px; left: -120px; bottom: -80px; background: rgba(227,179,156,.16); animation: float 14s ease-in-out infinite; }
.orb-b { width: 520px; height: 520px; right: -160px; top: 10%; background: rgba(139,123,245,.14); animation: float 18s ease-in-out infinite reverse; }
@keyframes float { 0%,100% { transform: translate(0,0); } 50% { transform: translate(24px,-30px); } }

.scrollhint {
  position: absolute; left: 50%; bottom: 26px; z-index: 2; translate: -50% 0;
  width: 1px; height: 46px; background: linear-gradient(180deg, transparent, var(--text-faint));
  animation: drop 2.6s ease-in-out infinite;
}
@keyframes drop { 0%,100% { opacity: .2; height: 30px; } 50% { opacity: .9; height: 52px; } }

/* ── セクション共通 ──────────────────────────── */
section { position: relative; padding: 104px 0; }
.sec-label {
  font-size: 11px; letter-spacing: .32em; color: var(--text-faint);
  text-transform: uppercase; margin: 0 0 14px;
}
h2 {
  font-family: var(--serif); font-weight: 600; letter-spacing: .06em;
  font-size: clamp(23px, 3.6vw, 33px); line-height: 1.6; margin: 0 0 18px;
}
.sec-sub { color: var(--text-3); margin: 0 0 46px; font-size: 14px; max-width: 34em; }
.hr { height: 1px; background: linear-gradient(90deg, transparent, var(--line-strong), transparent); border: 0; margin: 0; }

/* ── 約束 ─────────────────────────────────── */
.promises { display: grid; gap: 14px; }
.promise {
  display: grid; grid-template-columns: 72px 1fr; gap: 18px; align-items: start;
  padding: 34px 34px 36px; border: 1px solid var(--line); border-radius: var(--r);
  background: linear-gradient(120deg, var(--surface) 0%, rgba(16,16,25,.55) 100%);
  position: relative; overflow: hidden; transition: border-color .4s, transform .4s;
}
.promise::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 2px;
  background: linear-gradient(180deg, transparent, var(--ember), transparent); opacity: .0; transition: opacity .5s;
}
.promise:hover { border-color: var(--line-strong); transform: translateX(4px); }
.promise:hover::before { opacity: 1; }
.promise .n { font-family: var(--serif); font-size: 26px; color: var(--ember); letter-spacing: .1em; line-height: 1; padding-top: 4px; opacity: .9; }
.promise h3 { margin: 0 0 10px; font-family: var(--serif); font-size: clamp(18px, 2.4vw, 23px); font-weight: 600; letter-spacing: .06em; line-height: 1.6; }
.promise p { margin: 0; font-size: 13.5px; color: var(--text-3); line-height: 2; max-width: 40em; }
@media (max-width: 600px) { .promise { grid-template-columns: 1fr; gap: 10px; padding: 26px 22px; } }

/* ── できること ───────────────────────────── */
.feats { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 18px; }
.feat {
  border: 1px solid var(--line); border-radius: var(--r); padding: 26px 24px;
  background: linear-gradient(180deg, var(--surface) 0%, rgba(16,16,25,.4) 100%);
  transition: border-color .3s, transform .3s;
}
.feat { position: relative; overflow: hidden; }
.feat::before {
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: 0; transition: opacity .4s;
  background: radial-gradient(240px circle at var(--mx, 50%) var(--my, 50%), rgba(227,179,156,.12), transparent 60%);
}
.feat:hover { border-color: var(--line-strong); transform: translateY(-3px); }
.feat:hover::before { opacity: 1; }
.feat .ic { font-size: 19px; line-height: 1; margin-bottom: 14px; display: block; }
.feat h3 { margin: 0 0 8px; font-size: 14.5px; font-weight: 700; letter-spacing: .04em; }
.feat p { margin: 0; font-size: 12.5px; color: var(--text-3); line-height: 1.95; }
.feat .tag { display: inline-block; margin-top: 12px; font-size: 10.5px; letter-spacing: .1em; color: var(--gold); border: 1px solid rgba(220,193,136,.3); border-radius: 999px; padding: 2px 10px; }

/* ── 推し ─────────────────────────────────── */
.oshi-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(168px, 1fr)); gap: 16px; }
.oshi { border-radius: 16px; overflow: hidden; position: relative; border: 1px solid var(--line); background: var(--surface); }
.oshi img { aspect-ratio: 1; object-fit: cover; width: 100%; transition: transform .6s cubic-bezier(.2,.7,.3,1); }
.oshi:hover img { transform: scale(1.05); }
.oshi .meta { padding: 14px 15px 17px; background: var(--surface); position: relative; }
.oshi::after { content: ""; position: absolute; inset: 0; border-radius: 16px; box-shadow: inset 0 0 0 1px rgba(227,179,156,0); transition: box-shadow .4s; pointer-events: none; }
.oshi:hover::after { box-shadow: inset 0 0 0 1px rgba(227,179,156,.5); }
.oshi .nm { font-family: var(--serif); font-size: 16px; letter-spacing: .1em; display: block; }
.oshi .tl { font-size: 11px; color: var(--text-3); line-height: 1.7; margin-top: 5px; display: block; }

/* ── 画面 ─────────────────────────────────── */
.shots-wrap { position: relative; }
.shots-wrap::before, .shots-wrap::after { content: ""; position: absolute; top: 0; bottom: 26px; width: 80px; z-index: 2; pointer-events: none; }
.shots-wrap::before { left: 0; background: linear-gradient(90deg, var(--canvas), transparent); }
.shots-wrap::after { right: 0; background: linear-gradient(270deg, var(--canvas), transparent); }
.shots-nav {
  position: absolute; top: 50%; z-index: 3; translate: 0 -60%; width: 42px; height: 42px; border-radius: 50%;
  border: 1px solid var(--line-strong); background: rgba(16,16,25,.8); color: var(--text); font-size: 22px; line-height: 1;
  cursor: pointer; backdrop-filter: blur(8px); transition: .2s; font-family: var(--serif);
}
.shots-nav:hover { border-color: var(--ember); color: var(--ember); }
.shots-nav.prev { left: 14px; } .shots-nav.next { right: 14px; }
@media (max-width: 700px) { .shots-nav { display: none; } .shots-wrap::before, .shots-wrap::after { width: 28px; } }
.shots { display: flex; gap: 18px; overflow-x: auto; padding: 4px 22px 26px; scroll-snap-type: x mandatory; -webkit-overflow-scrolling: touch; scrollbar-width: none; cursor: grab; }
.shots.dragging { cursor: grabbing; scroll-snap-type: none; }
.shots::-webkit-scrollbar { display: none; }
.shots::-webkit-scrollbar { height: 5px; }
.shots::-webkit-scrollbar-thumb { background: var(--line-strong); border-radius: 99px; }
.shots img { flex: none; width: 246px; border-radius: 20px; border: 1px solid var(--line); scroll-snap-align: center; user-select: none; -webkit-user-drag: none; transition: transform .4s; box-shadow: 0 20px 50px rgba(0,0,0,.5); }
.shots img:hover { transform: translateY(-4px); }

/* ── プラン ───────────────────────────────── */
.plans { display: grid; grid-template-columns: repeat(auto-fit, minmax(212px, 1fr)); gap: 16px; }
.plan { border: 1px solid var(--line); border-radius: var(--r); padding: 26px 22px; background: var(--surface); display: flex; flex-direction: column; }
.plan.hi { border-color: rgba(227,179,156,.42); background: linear-gradient(180deg, rgba(227,179,156,.07), var(--surface) 60%); }
.plan .pn { font-family: var(--serif); font-size: 18px; letter-spacing: .12em; margin: 0 0 4px; }
.plan .pp { font-size: 11px; letter-spacing: .1em; color: var(--ember); margin: 0 0 16px; min-height: 1.4em; }
.plan ul { list-style: none; margin: 0; padding: 0; font-size: 12.5px; color: var(--text-3); }
.plan li { padding-left: 15px; position: relative; line-height: 1.9; margin-bottom: 5px; }
.plan li::before { content: ""; position: absolute; left: 0; top: 11px; width: 5px; height: 5px; border-radius: 50%; background: var(--text-faint); }
.plan.hi li::before { background: var(--ember); }
.badge { position: absolute; }
.plan-note { margin: 26px 0 0; font-size: 11.5px; color: var(--text-faint); line-height: 1.9; }

/* ── データの扱い ─────────────────────────── */
.trust { border: 1px solid var(--line); border-radius: var(--r); padding: 34px 30px; background: rgba(16,16,25,.6); backdrop-filter: blur(10px); }
.trust ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; }
.trust li { padding-left: 24px; position: relative; font-size: 13px; color: var(--text-2); line-height: 1.95; }
.trust li::before { content: "—"; position: absolute; left: 0; color: var(--ember); }

.bg-room { position: absolute; inset: 0; z-index: 0; overflow: hidden; }
.bg-room img { width: 100%; height: 100%; object-fit: cover; opacity: .34; }
.bg-room::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, var(--canvas), rgba(7,7,12,.72) 40%, var(--canvas)); }
.bg-room + .wrap { position: relative; z-index: 1; }

/* ── 最後のCTA ───────────────────────────── */
.finale { text-align: center; padding: 120px 0 130px; }
.finale h2 { font-size: clamp(24px, 4.4vw, 38px); line-height: 1.65; }
.finale p { color: var(--text-3); margin: 0 0 36px; }
.finale .ctas { justify-content: center; }

/* ── フッター ───────────────────────────── */
footer { border-top: 1px solid var(--line); padding: 52px 0 68px; background: var(--canvas-deep); }
.f-top { display: flex; flex-wrap: wrap; gap: 26px 40px; align-items: flex-start; }
.f-links { display: flex; flex-wrap: wrap; gap: 8px 26px; margin-left: auto; font-size: 12.5px; }
.f-links a { color: var(--text-3); }
.f-links a:hover { color: var(--ember); }
.f-note { margin: 34px 0 0; font-size: 11px; color: var(--text-faint); line-height: 2; }
.f-copy { margin: 16px 0 0; font-size: 11px; color: var(--text-faint); letter-spacing: .08em; }

/* ── 規約・ポリシー本文 ─────────────────── */
.doc { padding-top: 128px; padding-bottom: 96px; }
.doc h1 { font-family: var(--serif); font-weight: 600; font-size: clamp(24px, 4.2vw, 34px); letter-spacing: .06em; margin: 0 0 10px; line-height: 1.6; }
.doc .meta { color: var(--text-faint); font-size: 12px; margin: 0 0 40px; letter-spacing: .06em; }
.doc h2 { font-size: 17px; margin: 52px 0 14px; padding-top: 26px; border-top: 1px solid var(--line); letter-spacing: .06em; }
.doc h2:first-of-type { border-top: 0; padding-top: 0; }
.doc h3 { font-size: 14px; margin: 30px 0 10px; letter-spacing: .05em; color: var(--text); }
.doc p { color: var(--text-2); font-size: 13.5px; line-height: 2.1; margin: 0 0 14px; }
.doc ol, .doc ul { color: var(--text-2); font-size: 13.5px; line-height: 2.1; padding-left: 1.5em; margin: 0 0 14px; }
.doc li { margin-bottom: 7px; }
.doc li::marker { color: var(--text-faint); }
.doc strong { color: var(--text); font-weight: 700; }
.doc blockquote {
  margin: 22px 0; padding: 14px 20px; border-left: 2px solid var(--line-strong);
  color: var(--text-3); font-size: 12.5px; background: rgba(16,16,25,.5); border-radius: 0 10px 10px 0;
}
.doc .end { margin-top: 46px; color: var(--text-faint); font-size: 12px; text-align: right; }
.tbl-wrap { overflow-x: auto; margin: 0 0 20px; border: 1px solid var(--line); border-radius: 12px; }
.doc table { border-collapse: collapse; width: 100%; min-width: 620px; font-size: 12px; }
.doc th, .doc td { padding: 11px 14px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--line); line-height: 1.8; }
.doc th { background: var(--surface-raised); color: var(--text); font-weight: 700; letter-spacing: .05em; white-space: nowrap; }
.doc td { color: var(--text-3); }
.doc tr:last-child td { border-bottom: 0; }
.backlink { display: inline-flex; align-items: center; gap: 7px; font-size: 12.5px; color: var(--text-3); margin-bottom: 30px; }
.backlink:hover { color: var(--ember); text-decoration: none; }
.toc { border: 1px solid var(--line); border-radius: 14px; padding: 20px 24px; margin: 0 0 44px; background: var(--surface); }
.toc p { font-size: 11px; letter-spacing: .22em; color: var(--text-faint); margin: 0 0 12px; text-transform: uppercase; }
.toc ol { columns: 2; column-gap: 30px; font-size: 12.5px; margin: 0; padding-left: 1.4em; }
.toc a { color: var(--text-3); }
.toc a:hover { color: var(--ember); }
@media (max-width: 640px) { .toc ol { columns: 1; } }

/* ── 出現アニメーション ─────────────────── */
.js-anim .rise { opacity: 0; transform: translateY(22px); transition: opacity .9s cubic-bezier(.2,.7,.3,1), transform .9s cubic-bezier(.2,.7,.3,1); }
.js-anim .rise.in { opacity: 1; transform: none; }
.js-anim .feats .feat, .js-anim .oshi-grid .oshi, .js-anim .plans .plan { opacity: 0; transform: translateY(16px); transition: opacity .8s cubic-bezier(.2,.7,.3,1), transform .8s cubic-bezier(.2,.7,.3,1); transition-delay: calc(var(--i, 0) * 60ms); }
.js-anim .rise.in .feat, .js-anim .rise.in .oshi, .js-anim .rise.in .plan { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .js-anim .rise, .js-anim .feat, .js-anim .oshi, .js-anim .plan { opacity: 1 !important; transform: none !important; transition: none; }
  .h-in { animation: none; opacity: 1; transform: none; }
  .orb, .grain { animation: none; }
  html { scroll-behavior: auto; }
  .h-in { opacity: 0; transform: translateY(18px); animation: hin 1.1s cubic-bezier(.2,.7,.3,1) forwards; animation-delay: calc(.15s + var(--d, 0) * .14s); }
@keyframes hin { to { opacity: 1; transform: none; } }
.hero-bg img { will-change: transform; transform: translateY(var(--py, 0px)) scale(1.06); }
.orb { position: absolute; border-radius: 50%; filter: blur(70px); pointer-events: none; z-index: 1; mix-blend-mode: screen; }
.orb-a { width: 420px; height: 420px; left: -120px; bottom: -80px; background: rgba(227,179,156,.16); animation: float 14s ease-in-out infinite; }
.orb-b { width: 520px; height: 520px; right: -160px; top: 10%; background: rgba(139,123,245,.14); animation: float 18s ease-in-out infinite reverse; }
@keyframes float { 0%,100% { transform: translate(0,0); } 50% { transform: translate(24px,-30px); } }

.scrollhint { animation: none; }
}