/* mossbit.app — DeltaDisk は「何が増えたか」を見せる道具なので、ページ自体を読み取り画面として組む。
   色が付くのは増えた数値だけ。数字は等幅で右揃え、見出しと同じ罫線に揃える。 */

@font-face {
  font-family: "Spline Sans";
  src: url("/fonts/spline-sans.woff2") format("woff2-variations");
  font-weight: 300 700; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "Spline Sans Mono";
  src: url("/fonts/spline-sans-mono.woff2") format("woff2-variations");
  font-weight: 300 600; font-style: normal; font-display: swap;
}

:root {
  --ink: #0E1F22;         /* 文字 */
  --paper: #FFFFFF;       /* 地 */
  --panel: #EAF0ED;       /* 読み取り面 */
  --deep: #0A3A44;        /* 構造・濃い面(アイコンの背景色) */
  --grow: #0C7A5E;        /* 増えた分。白地でも読み取り面でも 4.5:1 以上 */
  --bar: #1FB38A;         /* バーの塗りだけに使う */
  --quiet: #5A6E6B;       /* 補助文字 */
  --rule: #D5DEDA;        /* 行の区切り */
  --measure: 34rem;       /* 本文の行長(70 字弱) */
  --sans: "Spline Sans", "Hiragino Sans", -apple-system, sans-serif;
  --mono: "Spline Sans Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}
@media (prefers-color-scheme: dark) {
  :root {
    --ink: #EAF2EF; --paper: #08282E; --panel: #0E3840; --deep: #DCE9E5;
    --grow: #4FD1A6; --bar: #1FB38A; --quiet: #9DB4B0; --rule: #1B4A53;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font: 400 17px/1.65 var(--sans);
  font-feature-settings: "ss01";
  -webkit-font-smoothing: antialiased;
}

/* ---- 枠 ---- */
header.site, footer.site, main { max-width: 68rem; margin: 0 auto; padding: 0 1.75rem; }
main { padding-bottom: 6rem; }

header.site { display: flex; align-items: baseline; gap: 1.5rem; flex-wrap: wrap; padding-top: 1.6rem; padding-bottom: 3rem; }
.logo { font-size: 1.05rem; font-weight: 600; letter-spacing: -0.01em; color: var(--ink); text-decoration: none; }
header nav { display: flex; align-items: baseline; gap: 1.4rem; flex-wrap: wrap; margin-left: auto; font-size: 0.95rem; }
header nav a { color: var(--quiet); text-decoration: none; }
header nav a:hover, header nav a:focus-visible { color: var(--ink); }
header nav .lang { font-variant: all-small-caps; letter-spacing: 0.04em; }

/* ---- 文字 ---- */
h1 {
  font-size: clamp(2.1rem, 5.2vw, 3.3rem); line-height: 1.12; font-weight: 500;
  letter-spacing: -0.025em; margin: 0 0 1.1rem; max-width: 22ch;
}
h2 { font-size: clamp(1.3rem, 2.6vw, 1.65rem); line-height: 1.25; font-weight: 600; letter-spacing: -0.015em; margin: 4rem 0 1rem; }
h3 { font-size: 1.05rem; font-weight: 600; margin: 2rem 0 0.35rem; }
p { margin: 0.8rem 0; max-width: var(--measure); }
.lead { font-size: 1.22rem; line-height: 1.5; color: var(--quiet); max-width: 38rem; }
.small { font-size: 0.92rem; color: var(--quiet); }
a { color: var(--grow); text-underline-offset: 0.18em; }
strong { font-weight: 600; }

/* ---- 読み取り面(このページの主役) ---- */
.readout {
  background: var(--panel); border-radius: 4px; padding: 1.4rem 1.6rem;
  margin: 2.4rem 0 1rem; max-width: 46rem;
}
.readout .row {
  display: grid; grid-template-columns: minmax(8rem, 15rem) 1fr auto;
  align-items: center; gap: 1rem; padding: 0.55rem 0;
  border-bottom: 1px solid var(--rule);
}
.readout .row:last-of-type { border-bottom: 0; }
.readout .name { font-size: 0.98rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.readout .track { height: 0.5rem; background: color-mix(in srgb, var(--rule) 70%, transparent); border-radius: 2px; overflow: hidden; }
.readout .fill {
  display: block; height: 100%; background: var(--bar); border-radius: 2px;
  transform-origin: left center; animation: draw 900ms cubic-bezier(.2,.7,.3,1) both;
}
.readout .delta {
  font-family: var(--mono); font-size: 1rem; font-weight: 500; color: var(--grow);
  font-variant-numeric: tabular-nums; white-space: nowrap;
}
.readout .foot { display: flex; justify-content: space-between; gap: 1rem; padding-top: 0.9rem; color: var(--quiet); font-size: 0.9rem; }
.readout .foot .delta { color: var(--quiet); }
@keyframes draw { from { transform: scaleX(0); } to { transform: scaleX(1); } }
@media (prefers-reduced-motion: reduce) { .readout .fill { animation: none; } }

/* ---- ボタン ---- */
.row-actions { display: flex; gap: 0.8rem; flex-wrap: wrap; align-items: baseline; margin: 1.8rem 0 0.7rem; }
.button {
  display: inline-block; font: inherit; font-weight: 500; text-decoration: none;
  padding: 0.68rem 1.25rem; border-radius: 3px; border: 1px solid var(--ink); color: var(--ink);
}
.button.primary { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.button.primary:hover, .button.primary:focus-visible { background: var(--deep); border-color: var(--deep); }
.button.small { padding: 0.35rem 0.8rem; font-size: 0.92rem; }
.button.disabled { opacity: 0.55; }

/* ---- 2 列の説明 ---- */
.pairs { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.8rem 3rem; margin: 1.2rem 0 0; max-width: 54rem; }
.pairs p { margin: 0.3rem 0 0; max-width: 28rem; color: var(--quiet); }
.pairs ul { padding-left: 1.2em; margin: 0.4em 0 0; }
.pairs h3 { margin-top: 0; }

/* ---- 比較表・法務の表 ---- */
table { border-collapse: collapse; width: 100%; max-width: 54rem; margin: 1.2rem 0; font-size: 0.98rem; }
th, td { text-align: left; vertical-align: top; padding: 0.7rem 1rem 0.7rem 0; border-bottom: 1px solid var(--rule); }
thead th { font-weight: 600; }
tbody th { font-weight: 400; color: var(--quiet); }
table.legal th { width: 14rem; }

/* ---- 価格 ---- */
.price { font-family: var(--mono); font-size: clamp(1.8rem, 4vw, 2.4rem); font-weight: 500; letter-spacing: -0.02em; margin: 0.4rem 0; }

/* ---- 画像 ---- */
figure { margin: 2rem 0 0; max-width: 54rem; }
figure img { width: 100%; height: auto; display: block; border: 1px solid var(--rule); border-radius: 3px; }
figcaption { font-size: 0.9rem; color: var(--quiet); margin-top: 0.5rem; }

/* ---- 製品の行(Mossbit トップ)---- */
.product { display: flex; gap: 1.2rem; align-items: center; margin: 1.5rem 0; }
.product img { width: 72px; height: 72px; border-radius: 16px; }
.product h3 { margin: 0; }
.product p { margin: 0.15rem 0 0; color: var(--quiet); }

ol, ul { max-width: var(--measure); padding-left: 1.2rem; }
li { margin: 0.35rem 0; }
code { font-family: var(--mono); font-size: 0.92em; word-break: break-all; }


/* ---- 発行されたライセンスキー(Worker が返すページ)---- */
.keybox {
  font-family: var(--mono); font-size: 0.92rem; line-height: 1.5; word-break: break-all;
  background: var(--panel); border-radius: 4px; padding: 1rem 1.1rem; margin: 1rem 0; max-width: 46rem;
}
form input[type=email] {
  font: inherit; padding: 0.6rem 0.7rem; border-radius: 3px; border: 1px solid var(--rule);
  background: var(--paper); color: var(--ink); width: 18rem; max-width: 100%; margin-right: 0.5rem;
}

footer.site { border-top: 1px solid var(--rule); padding-top: 1.4rem; padding-bottom: 3.5rem; font-size: 0.92rem; }
footer.site p { max-width: none; }
footer.site a { color: var(--quiet); text-decoration: none; }
footer.site a:hover, footer.site a:focus-visible { color: var(--ink); text-decoration: underline; }

:focus-visible { outline: 2px solid var(--grow); outline-offset: 3px; }

@media (max-width: 46rem) {
  header.site { padding-bottom: 2rem; }
  header nav { margin-left: 0; gap: 1rem; font-size: 0.9rem; }
  .pairs { grid-template-columns: 1fr; gap: 1.4rem; }
  .readout { padding: 1.1rem 1rem; }
  .readout .row { grid-template-columns: 1fr auto; gap: 0.6rem; }
  .readout .track { display: none; }        /* 幅が足りないときは数字だけ残す */
  h2 { margin-top: 3rem; }
}