:root {
      --ink: #2f2a25;
      --soft: rgba(47, 42, 37, .62);
      --mute: rgba(47, 42, 37, .45);
      --line: rgba(47, 42, 37, .1);
      --card: rgba(255, 255, 255, .55);
      --page: #f3eee8;
      --pace: #76966e;
      --things: #c79a5a;
      --watch: #8e84c8;
      --departure: #508aba;
      --focus: #d08868;
      --detox: #5fa092;
      --someday: #c77c93;
      --sky1: #efd1bc; --sky2: #e0c4bc; --sky3: #bdb0bf;
    }
    body[data-period="morning"] { --sky1: #f1e4de; --sky2: #f0eae3; --sky3: #e1eaee; }
    body[data-period="noon"]    { --sky1: #f5f0de; --sky2: #eceee7; --sky3: #dae7db; }
    body[data-period="evening"] { --sky1: #efd1bc; --sky2: #e0c4bc; --sky3: #bdb0bf; }
    body[data-period="night"]   { --sky1: #2a2e52; --sky2: #2b2b4a; --sky3: #3b2f4b; }

    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      background: var(--page);
      color: var(--ink);
      font-family: "Zen Kaku Gothic New", -apple-system, BlinkMacSystemFont, "Hiragino Sans", sans-serif;
      line-height: 1.85;
      -webkit-font-smoothing: antialiased;
    }
    html:lang(en) body { line-height: 1.7; }
    img { max-width: 100%; height: auto; display: block; }
    a { color: inherit; }
    .num { font-family: Outfit, sans-serif; font-variant-numeric: tabular-nums; letter-spacing: -.01em; }

    /* ナビ */
    .site-nav {
      position: sticky; top: 0; z-index: 10;
      display: flex; align-items: center; justify-content: space-between; gap: 1rem;
      padding: .8rem clamp(1rem, 4vw, 2.4rem);
      background: color-mix(in srgb, var(--page) 72%, transparent);
      backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
      border-bottom: 1px solid var(--line);
      font-size: .86rem;
    }
    .site-nav .brand { font-family: Outfit, sans-serif; font-weight: 500; text-decoration: none; letter-spacing: .02em; }
    .nav-links { display: flex; gap: 1.2rem; align-items: center; }
    .nav-links a { text-decoration: none; color: var(--soft); }
    .nav-links a:hover { color: var(--ink); }
    .langs { display: flex; gap: .3rem; }
    .langs button {
      border: 1px solid var(--line); background: transparent; color: var(--soft);
      border-radius: 999px; padding: .15rem .6rem; font: inherit; font-size: .76rem; cursor: pointer;
    }
    .langs button[aria-pressed="true"] { background: var(--ink); color: #fff; border-color: var(--ink); }

    /* ヒーロー：訪れた時間帯の空 */
    .hero {
      position: relative; overflow: hidden;
      background: linear-gradient(170deg, var(--sky1), var(--sky2) 55%, var(--sky3));
      transition: background 1.2s ease;
    }
    body[data-period="night"] .hero { color: #f1ecf4; --soft: rgba(241, 236, 244, .66); --line: rgba(255, 255, 255, .16); --card: rgba(255, 255, 255, .12); }
    /* 街並みは画像の縦横比のまま置いて、上が切れないように */
    .hero::after {
      content: ""; position: absolute; left: -2%; right: -2%; bottom: -4px;
      aspect-ratio: 720 / 215;
      background: url("images/city.png") center bottom / 100% auto no-repeat; opacity: .28; pointer-events: none;
    }
    body[data-period="night"] .hero::after { background-image: url("images/city-night.png"); aspect-ratio: 720 / 219; opacity: .4; }
    .hero-inner {
      position: relative; z-index: 1;
      width: min(1120px, 100%); margin: 0 auto;
      padding: clamp(3rem, 8vw, 6rem) clamp(1rem, 4vw, 2rem) clamp(4rem, 9vw, 7rem);
      display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(2rem, 5vw, 4rem); align-items: center;
    }
    .app-icon { width: 84px; height: 84px; border-radius: 22%; box-shadow: 0 12px 30px -12px rgba(0, 0, 0, .35); background: #fff; }
    .eyebrow { margin: 1.4rem 0 .2rem; font-family: Outfit, sans-serif; font-weight: 300; letter-spacing: .2em; font-size: .8rem; color: var(--soft); text-transform: uppercase; }
    h1 { margin: 0; font-family: Outfit, sans-serif; font-weight: 200; font-size: clamp(3rem, 8vw, 5.4rem); letter-spacing: -.02em; line-height: 1; }
    .hero-copy { margin: 1.2rem 0 0; font-size: clamp(1.35rem, 3vw, 1.9rem); font-weight: 500; line-height: 1.6; }
    .hero-desc { margin: 1rem 0 0; max-width: 34em; color: var(--soft); font-size: 1rem; }
    .pills { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 1.6rem; }
    .pill { padding: .35rem .9rem; border-radius: 999px; background: var(--card); border: 1px solid var(--line); font-size: .82rem; backdrop-filter: blur(8px); }
    .soon { margin-top: 1.4rem; display: inline-flex; align-items: center; gap: .6rem; padding: .6rem 1.2rem; border-radius: 14px; background: var(--ink); color: #fff; font-size: .9rem; }
    body[data-period="night"] .soon { background: #f1ecf4; color: #2a2e52; }
    .phone {
      justify-self: center; width: min(290px, 74vw);
      border-radius: 44px; overflow: hidden; background: #000; padding: 8px;
      box-shadow: 0 40px 80px -30px rgba(40, 30, 60, .55);
    }
    .phone img { border-radius: 36px; }

    /* セクション */
    main section { padding: clamp(4rem, 9vw, 7rem) clamp(1rem, 4vw, 2rem); }
    main section.alt { background: #fbf8f4; }
    .inner { width: min(1080px, 100%); margin: 0 auto; }
    .sec-eyebrow { margin: 0 0 .6rem; font-family: Outfit, sans-serif; letter-spacing: .2em; font-size: .76rem; color: var(--mute); text-transform: uppercase; }
    h2 { margin: 0 0 1.2rem; font-size: clamp(1.6rem, 3.6vw, 2.4rem); font-weight: 500; line-height: 1.5; letter-spacing: .01em; }
    .lead { margin: 0 0 2.4rem; max-width: 38em; color: var(--soft); }
    .split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 6vw, 5rem); align-items: center; }
    .split.rev > :first-child { order: 2; }

    /* 問いかけ */
    .quiet { text-align: center; }
    .quiet h2 { font-size: clamp(1.7rem, 4vw, 2.6rem); }
    .quiet .lead { margin: 0 auto; }
    .examples { display: flex; flex-wrap: wrap; justify-content: center; gap: .6rem; margin-top: 2.2rem; }
    .examples span { padding: .5rem 1.1rem; border-radius: 999px; background: #fff; border: 1px solid var(--line); font-size: .92rem; }

    /* 機能カード */
    .features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
    .feature { padding: 1.5rem 1.4rem 1.6rem; border-radius: 24px; background: #fff; border: 1px solid var(--line); position: relative; overflow: hidden; }
    .feature::before { content: ""; position: absolute; width: 160px; height: 160px; right: -60px; top: -70px; border-radius: 50%; background: radial-gradient(color-mix(in srgb, var(--tint) 30%, transparent), transparent 70%); }
    .feature .tag { display: inline-block; font-size: .78rem; color: color-mix(in srgb, var(--tint) 75%, var(--ink)); letter-spacing: .06em; }
    .feature h3 { margin: .3rem 0 .5rem; font-size: 1.1rem; font-weight: 500; }
    .feature p { margin: 0; color: var(--soft); font-size: .92rem; }
    .feature .eg { margin-top: .8rem; font-size: .82rem; color: var(--mute); }

    /* 自然文入力 */
    .parse { display: grid; gap: .8rem; }
    .parse .row { display: grid; grid-template-columns: 1fr auto 1fr; gap: .8rem; align-items: center; padding: 1rem 1.2rem; border-radius: 20px; background: #fff; border: 1px solid var(--line); }
    .parse .in { font-size: .98rem; }
    .parse .arrow { color: var(--mute); font-family: Outfit, sans-serif; }
    .parse .out { font-size: .86rem; color: var(--soft); }
    .parse .out b { font-weight: 500; color: var(--ink); }

    /* 空：ウィジェット */
    .skies { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; margin-top: 2rem; }
    .skies figure { margin: 0; }
    .skies figcaption { margin-top: .5rem; text-align: center; font-size: .8rem; color: var(--mute); font-family: Outfit, sans-serif; letter-spacing: .12em; }
    .wide-widgets { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-top: 1rem; }
    /* 角の丸みは画像そのもの。影も画像の形にそわせる */
    .widget { filter: drop-shadow(0 12px 18px rgba(40, 30, 60, .16)); }

    .shot { border-radius: 28px; box-shadow: 0 30px 60px -28px rgba(40, 30, 60, .45); }
    .points { margin: 0; padding: 0; list-style: none; display: grid; gap: .9rem; }
    .points li { padding-left: 1.2rem; position: relative; color: var(--soft); }
    .points li::before { content: ""; position: absolute; left: 0; top: .72em; width: 6px; height: 6px; border-radius: 50%; background: var(--dot, var(--pace)); }
    .points strong { color: var(--ink); font-weight: 500; }

    /* 枕元 */
    .night { background: linear-gradient(170deg, #252b4d, #2b2b4a 55%, #3b2f4b); color: #f1ecf4; --soft: rgba(241, 236, 244, .66); --mute: rgba(241, 236, 244, .45); --line: rgba(255, 255, 255, .14); }
    .duo { display: grid; grid-template-columns: 1.3fr 1fr; gap: 1rem; margin-top: 2.2rem; align-items: end; }
    .duo figure { margin: 0; }
    .duo figcaption { margin-top: .6rem; font-size: .84rem; color: var(--soft); }

    /* ことば */
    .words { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
    .word { padding: 1.4rem; border-radius: 22px; background: #fff; border: 1px solid var(--line); }
    .word .not { font-size: .82rem; color: var(--mute); text-decoration: line-through; }
    .word .say { margin-top: .4rem; font-size: 1.05rem; }

    /* 価格 */
    .prices { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
    .price { padding: 1.8rem; border-radius: 26px; background: #fff; border: 1px solid var(--line); }
    .price .name { font-size: .88rem; color: var(--soft); }
    .price .val { margin: .3rem 0 .6rem; font-family: Outfit, sans-serif; font-weight: 300; font-size: 2.6rem; line-height: 1.1; }
    .price .val small { font-family: "Zen Kaku Gothic New", sans-serif; font-size: .9rem; color: var(--soft); margin-left: .3rem; }
    .price p { margin: 0; color: var(--soft); font-size: .92rem; }
    .fine { margin-top: 1.2rem; font-size: .8rem; color: var(--mute); }

    footer { padding: 3rem clamp(1rem, 4vw, 2rem); text-align: center; font-size: .84rem; color: var(--mute); border-top: 1px solid var(--line); }
    footer nav { display: flex; justify-content: center; gap: 1.4rem; margin-bottom: .8rem; }
    footer a { color: var(--soft); text-decoration: none; }

    .reveal { opacity: 0; transform: translateY(14px); transition: opacity .9s ease, transform .9s ease; }
    .reveal.in { opacity: 1; transform: none; }

    @media (max-width: 860px) {
      .hero-inner, .split, .duo { grid-template-columns: 1fr; }
      .split.rev > :first-child { order: 0; }
      .features, .words { grid-template-columns: 1fr 1fr; }
      .skies { grid-template-columns: 1fr 1fr; }
      .wide-widgets, .prices { grid-template-columns: 1fr; }
      .parse .row { grid-template-columns: 1fr; gap: .2rem; }
      .parse .arrow { display: none; }
    }
    @media (max-width: 560px) {
      .nav-links a { display: none; }
      .features, .words { grid-template-columns: 1fr; }
    }
    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      .reveal { opacity: 1; transform: none; transition: none; }
    }

/* Six-language navigation and readable, resilient layouts. */
body { font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", "PingFang TC", "Microsoft JhengHei", "Apple SD Gothic Neo", "Malgun Gothic", sans-serif; }
:root { --soft: #625c57; --mute: #716b65; }
.site-nav { flex-wrap: wrap; }
.nav-links { flex-wrap: wrap; justify-content: flex-end; }
.langs { flex-wrap: wrap; gap: .25rem; }
.langs a { display: inline-block; min-height: 36px; padding: .25rem .65rem; border: 1px solid var(--line); border-radius: 999px; font-size: .76rem; color: var(--ink); }
.langs a[aria-current="page"] { background: var(--ink); color: #fff; }
a:focus-visible { outline: 3px solid #508aba; outline-offset: 4px; }
.skip { position: absolute; left: 1rem; top: -100px; z-index: 100; padding: .7rem; background: white; }
.skip:focus { top: .7rem; }
.reveal { opacity: 1; transform: none; }
.feature { transition: transform .2s ease; }
.feature:hover { transform: translateY(-3px); }
.hero-desc { max-width: 32em; }
.hero-copy { text-wrap: balance; }
.feature .tag { color: var(--ink); }
main section { scroll-margin-top: 110px; }
.scene { display: grid; grid-template-columns: .85fr 1.15fr; gap: clamp(2rem,6vw,5rem); align-items: center; }
.scene .phone { width: min(260px,70vw); }
.scene p { max-width: 36em; }
.scene .lead { margin-bottom: 1.5rem; }
.scene-links { display: flex; gap: .8rem; flex-wrap: wrap; }
.scene-links a { padding: .5rem 1rem; border: 1px solid var(--line); border-radius: 999px; text-decoration: none; font-size: .88rem; }
html:lang(ko) { word-break: keep-all; overflow-wrap: anywhere; }
html:lang(zh-Hant) body { line-height: 1.9; }
.phone img { width: 100%; }
@media(max-width:860px) { .scene { grid-template-columns:1fr; } .scene .phone { order:2; } }
@media(max-width:560px) {
 .site-nav { padding:.6rem 1rem; gap:.4rem; }
 .nav-links { width:100%; justify-content: flex-start; }
 .nav-links > a { display:none; }
 .nav-links .langs a { display:inline-block; }
 .hero-inner { padding-top:2.5rem; gap:2rem; }
 h1 { font-size: clamp(2.7rem,12vw,4rem); }
 .phone { width:min(260px,72vw); }
 .hero-desc { font-size:.95rem; }
 .duo { gap:2rem; }
}
@media(prefers-reduced-motion:reduce) { .feature { transition:none; } .feature:hover { transform:none; } }
.price .val { font-size: clamp(1.3rem, 3.5vw, 2.6rem); overflow-wrap: anywhere; }
.hero-inner > *, .split > *, .scene > *, .duo > *, .prices > * { min-width: 0; }
.shot { width: 100%; }
.night { --soft: rgba(241,236,244,.8); --mute: rgba(241,236,244,.72); }
body[data-period="night"] .hero { --soft: rgba(241,236,244,.8); }