/* ライフログ — 夜の墨色に、声の色（琥珀・青緑）が灯る */
:root {
  --ink: #07080b;
  --ink-2: #0d0e13;
  --raised: #121218;
  --line: rgba(255, 255, 255, 0.08);
  --line-2: rgba(255, 255, 255, 0.14);
  --text: #f5f0e6;
  --sub: rgba(245, 240, 230, 0.64);
  --dim: rgba(245, 240, 230, 0.38);
  --amber: #ffba52;
  --amber-2: #ff9e4d;
  --teal: #70e3d1;
  --coral: #ff7361;
  --indigo: #9494ff;
  --sage: #b0d6ab;
  --mincho: "Shippori Mincho B1", "Hiragino Mincho ProN", "Yu Mincho", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Noto Sans JP", sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, monospace;
  --max: 1160px;
  --gutter: clamp(20px, 5vw, 56px);
  --ease: cubic-bezier(.2, .7, .1, 1);
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--ink);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.8;
  font-feature-settings: "palt";
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
/* 紙のような粒子 */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 100;
  opacity: .06;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
img, svg, canvas { display: block; max-width: 100%; }
a { color: var(--amber); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 4px; }
:focus-visible { outline: 2px solid var(--amber); outline-offset: 3px; border-radius: 6px; }
::selection { background: rgba(255, 186, 82, .35); }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }
.eyebrow { font: 600 12px/1 var(--sans); letter-spacing: .2em; color: var(--dim); }
.mincho { font-family: var(--mincho); font-weight: 700; letter-spacing: .01em; }
h1, h2, h3 { font-family: var(--mincho); font-weight: 700; margin: 0; letter-spacing: .02em; word-break: auto-phrase; text-wrap: balance; }
.lead, .section-head p { word-break: auto-phrase; text-wrap: pretty; }
h2 { font-size: clamp(30px, 4.6vw, 54px); line-height: 1.35; }
h3 { font-size: clamp(19px, 2vw, 23px); line-height: 1.5; }
p { margin: 0; }
.lead { font-size: clamp(16px, 1.6vw, 19px); color: var(--sub); line-height: 1.95; }
.mono { font-family: var(--mono); }

/* ヘッダー */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px var(--gutter);
  transition: background .4s var(--ease), border-color .4s var(--ease), backdrop-filter .4s;
  border-bottom: 1px solid transparent;
}
.nav.scrolled { background: rgba(7, 8, 11, .72); backdrop-filter: blur(18px) saturate(1.4); -webkit-backdrop-filter: blur(18px) saturate(1.4); border-color: var(--line); }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); font-family: var(--mincho); font-weight: 700; font-size: 18px; letter-spacing: .06em; }
.brand:hover { text-decoration: none; }
.brand img { width: 30px; height: 30px; border-radius: 8px; }
.nav ul { display: flex; gap: clamp(14px, 2.4vw, 32px); list-style: none; margin: 0; padding: 0; }
.nav ul a { color: var(--sub); font-size: 14px; }
.nav ul a:hover, .nav ul a[aria-current="page"] { color: var(--text); text-decoration: none; }
@media (max-width: 720px) { .nav ul li.optional { display: none; } .nav ul { gap: 16px; } }

/* ボタン */
.btn {
  display: inline-flex; align-items: center; gap: 10px; height: 54px; padding: 0 28px; border-radius: 999px;
  font-weight: 600; font-size: 15px; color: var(--ink);
  background: linear-gradient(135deg, var(--amber), var(--amber-2));
  box-shadow: 0 10px 40px -10px rgba(255, 186, 82, .55);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.btn:hover { text-decoration: none; transform: translateY(-2px); box-shadow: 0 16px 50px -10px rgba(255, 186, 82, .7); }
.btn.ghost { background: transparent; color: var(--text); box-shadow: inset 0 0 0 1px var(--line-2); }
.btn.ghost:hover { box-shadow: inset 0 0 0 1px var(--amber); }
.soon { font-size: 12px; color: var(--dim); }

/* ヒーロー */
.hero { position: relative; min-height: 100svh; display: grid; place-items: center; padding: 120px var(--gutter) 80px; overflow: hidden; }
.hero::after { content: ""; position: absolute; inset: 0; background: radial-gradient(60% 50% at 50% 38%, rgba(255, 186, 82, .13), transparent 70%); pointer-events: none; }
.hero-inner { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(30px, 5vw, 72px); align-items: center; max-width: var(--max); width: 100%; }
.hero h1 { font-size: clamp(32px, 4.7vw, 72px); line-height: 1.22; letter-spacing: .02em; }
.nb { display: inline-block; white-space: nowrap; }
.hero .answer { margin-top: 22px; font: 700 clamp(20px, 2.2vw, 28px)/1.5 var(--mincho); letter-spacing: .04em; color: var(--text); word-break: auto-phrase; text-wrap: balance; }
.hero h1 .accent { color: var(--amber); }
.hero .lead { margin-top: 28px; max-width: 30em; }
.hero .actions { margin-top: 40px; display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }
#ring { display: block; width: 100%; max-width: 340px; aspect-ratio: 1; margin: 0 auto 4px; }
.hero-chat { width: 100%; }
.hero-chat .chat { max-width: none; gap: 14px; }
.hero-chat .bubble { font-size: 15px; padding: 16px 20px; }
.chat-caption { margin-top: 16px; font-size: 13px; color: var(--dim); text-align: center; }
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; text-align: left; }
  .hero { padding-top: 104px; min-height: auto; }
}

/* セクション */
section { position: relative; }
.section { padding: clamp(90px, 14vw, 180px) 0; }
.section-head { display: grid; gap: 22px; max-width: 760px; margin-bottom: clamp(48px, 7vw, 90px); }
.divider { height: 1px; background: linear-gradient(90deg, transparent, var(--line-2), transparent); }

/* 一日を巻き戻す（スクラブ） */
.scrub { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(30px, 6vw, 80px); align-items: center; }
@media (max-width: 900px) { .scrub { grid-template-columns: 1fr; } }
.scrub-clock { text-align: center; font: 300 clamp(40px, 5vw, 64px)/1 var(--sans); letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.scrub-clock small { font-size: .3em; color: var(--dim); margin-left: .4em; letter-spacing: .1em; }
.scrub input[type=range] { width: 100%; margin: 26px 0 8px; accent-color: var(--amber); }
.snippet { min-height: 270px; padding: 30px; border-radius: 26px; background: var(--raised); border: 1px solid var(--line); transition: opacity .4s var(--ease), transform .4s var(--ease); }
.snippet .meta { display: flex; gap: 14px; flex-wrap: wrap; font-size: 13px; color: var(--sub); margin-bottom: 18px; }
.snippet .meta b { color: var(--text); font-weight: 600; }
.snippet .line { font-family: var(--mincho); font-size: clamp(17px, 1.8vw, 20px); line-height: 2; }
.snippet .line time { font: 12px var(--mono); color: var(--dim); margin-right: 14px; }
.snippet.quiet { display: grid; place-items: center; text-align: center; color: var(--dim); }
.snippet.fade { opacity: 0; transform: translateY(8px); }

/* 仕組み（図） */
.system { position: relative; border-radius: 32px; border: 1px solid var(--line); background: linear-gradient(180deg, var(--ink-2), var(--ink)); padding: clamp(24px, 4vw, 48px); overflow: hidden; }
.zones { display: grid; grid-template-columns: 1.05fr 1fr; gap: 18px; }
.zone { position: relative; border-radius: 22px; padding: 26px 22px 22px; border: 1px dashed rgba(112, 227, 209, .3); background: rgba(112, 227, 209, .025); }
.zone.premium { border-color: rgba(255, 186, 82, .35); background: rgba(255, 186, 82, .03); }
.zone-label { position: absolute; top: -11px; left: 20px; padding: 2px 12px; border-radius: 999px; font-size: 11px; font-weight: 600; letter-spacing: .08em; background: var(--ink); color: var(--teal); border: 1px solid rgba(112, 227, 209, .35); }
.zone.premium .zone-label { color: var(--amber); border-color: rgba(255, 186, 82, .4); }
.nodes { display: grid; gap: 12px; }
.node {
  position: relative; display: grid; grid-template-columns: 46px 1fr; gap: 14px; align-items: start;
  padding: 16px; border-radius: 18px; background: var(--raised); border: 1px solid var(--line); cursor: default;
  opacity: 0; transform: translateY(14px); transition: opacity .7s var(--ease), transform .7s var(--ease), border-color .3s, background .3s;
}
.node.in { opacity: 1; transform: none; }
.node:hover, .node.active { border-color: rgba(255, 186, 82, .45); background: #16161d; }
.node .ico { width: 46px; height: 46px; border-radius: 14px; display: grid; place-items: center; background: rgba(112, 227, 209, .1); color: var(--teal); }
.zone.premium .node .ico { background: rgba(255, 186, 82, .1); color: var(--amber); }
.node .ico svg { width: 22px; height: 22px; }
.node h4 { margin: 2px 0 4px; font-size: 15px; font-weight: 700; }
.node p { font-size: 13px; color: var(--sub); line-height: 1.7; }
.node .step { position: absolute; top: 14px; right: 16px; font: 11px var(--mono); color: var(--dim); }
.gate { display: flex; align-items: center; gap: 10px; justify-content: center; margin: 4px 0; font-size: 12px; color: var(--amber); letter-spacing: .06em; }
.gate::before, .gate::after { content: ""; height: 1px; flex: 1; background: linear-gradient(90deg, transparent, rgba(255, 186, 82, .5), transparent); }
.system-legend { display: flex; gap: 22px; flex-wrap: wrap; margin-top: 26px; font-size: 13px; color: var(--sub); }
.system-legend i { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 8px; vertical-align: middle; }
/* 仕組みの流れ（声 → 文字 → 境界 → 暗号化 → AI） */
@property --x { syntax: "<percentage>"; inherits: false; initial-value: 0%; }
@property --drop { syntax: "<length>"; inherits: false; initial-value: 0px; }
.flow { --cycle: 7.5s; --row: 86px; --dropTo: 114px; position: relative; height: 282px; margin-bottom: 40px; }
.flow-zone { position: absolute; top: 0; bottom: 0; border-radius: 22px; }
.flow-zone span { position: absolute; top: 14px; left: 18px; font-size: 11px; font-weight: 600; letter-spacing: .08em; }
.flow-zone.local { left: 0; width: 58.5%; background: radial-gradient(120% 90% at 30% 0%, rgba(112, 227, 209, .07), transparent 70%); border: 1px dashed rgba(112, 227, 209, .22); }
.flow-zone.local span { color: var(--teal); }
.flow-zone.cloud { right: 0; width: 39%; background: radial-gradient(120% 90% at 70% 0%, rgba(255, 186, 82, .08), transparent 70%); border: 1px dashed rgba(255, 186, 82, .26); }
.flow-zone.cloud span { color: var(--amber); }
.flow-line { position: absolute; left: 7%; right: 7%; top: var(--row); height: 1px; background: linear-gradient(90deg, rgba(112, 227, 209, .4), rgba(112, 227, 209, .4) 55%, rgba(255, 186, 82, .45) 62%, rgba(255, 186, 82, .45)); }
.flow-line::after { content: ""; position: absolute; inset: -1px 0; background: linear-gradient(90deg, transparent, rgba(255, 255, 255, .7), transparent) no-repeat; background-size: 12% 100%; animation: sweep var(--cycle) linear infinite; }
@keyframes sweep { from { background-position: -15% 0; } to { background-position: 115% 0; } }
.flow-border { position: absolute; left: 59.75%; top: 10px; bottom: 10px; width: 0; border-left: 1px solid rgba(255, 255, 255, .22); }
.flow-border span { position: absolute; bottom: 4px; left: 50%; transform: translateX(-50%); white-space: nowrap; font-size: 11px; color: var(--text); padding: 4px 10px; border-radius: 999px; background: var(--ink); border: 1px solid var(--line-2); }
.st { position: absolute; left: var(--x); top: var(--row); transform: translate(-50%, -23px); display: grid; justify-items: center; gap: 6px; text-align: center; width: 128px; }
.st i { width: 46px; height: 46px; border-radius: 15px; display: grid; place-items: center; background: #101318; border: 1px solid rgba(112, 227, 209, .3); color: var(--teal); }
.st.premium i { border-color: rgba(255, 186, 82, .35); color: var(--amber); background: #15120d; }
.st svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.st b { font-size: 13px; font-weight: 700; margin-top: 4px; }
.st small { font-size: 11px; color: var(--dim); margin-top: -4px; }
.st-drop { top: calc(var(--row) + var(--dropTo)); }
.st-drop i { width: 36px; height: 36px; border-radius: 12px; color: var(--coral); border-color: rgba(255, 115, 97, .3); background: #160f0e; }
.st-drop svg { width: 18px; height: 18px; }
.st-drop b { font-size: 12px; color: var(--sub); font-weight: 600; }
.s-text i { animation: ping-teal var(--cycle) var(--ease) infinite; }
.s-lock i { animation: ping-amber var(--cycle) var(--ease) infinite; }
.s-ai i { animation: ping-ai var(--cycle) var(--ease) infinite; }
.st-drop i { animation: ping-drop var(--cycle) var(--ease) infinite; }
@keyframes ping-teal { 0%, 30%, 48%, 100% { box-shadow: 0 0 0 0 rgba(112, 227, 209, 0); } 36% { box-shadow: 0 0 0 8px rgba(112, 227, 209, .12), 0 0 30px rgba(112, 227, 209, .5); } }
@keyframes ping-amber { 0%, 62%, 78%, 100% { box-shadow: 0 0 0 0 rgba(255, 186, 82, 0); } 67% { box-shadow: 0 0 0 8px rgba(255, 186, 82, .12), 0 0 30px rgba(255, 186, 82, .5); } }
@keyframes ping-ai { 0%, 84%, 100% { box-shadow: 0 0 0 0 rgba(255, 186, 82, 0); } 90% { box-shadow: 0 0 0 10px rgba(255, 186, 82, .12), 0 0 40px rgba(255, 186, 82, .6); } }
@keyframes ping-drop { 0%, 42%, 60%, 100% { box-shadow: 0 0 0 0 rgba(255, 115, 97, 0); } 50% { box-shadow: 0 0 24px rgba(255, 115, 97, .45); } }
.pk { position: absolute; left: var(--x); top: var(--row); transform: translate(-50%, -50%) translateY(var(--drop)); opacity: 0; white-space: nowrap; pointer-events: none; }
.pk-wave { display: flex; gap: 3px; align-items: center; height: 26px; padding: 0 9px; border-radius: 999px; background: rgba(112, 227, 209, .14); border: 1px solid rgba(112, 227, 209, .45); animation: pk-wave var(--cycle) var(--ease) infinite; }
.pk-wave span { width: 3px; height: 12px; border-radius: 2px; background: var(--teal); animation: bars .5s ease-in-out infinite alternate; }
.pk-wave span:nth-child(2) { animation-delay: -.2s; } .pk-wave span:nth-child(3) { animation-delay: -.35s; } .pk-wave span:nth-child(4) { animation-delay: -.1s; } .pk-wave span:nth-child(5) { animation-delay: -.42s; }
@keyframes bars { from { transform: scaleY(.3); } to { transform: scaleY(1.2); } }
.pk-text { font: 600 12px/1 var(--sans); padding: 8px 12px; border-radius: 999px; color: var(--ink); background: var(--text); box-shadow: 0 6px 30px rgba(245, 240, 230, .25); animation: pk-text var(--cycle) var(--ease) infinite; }
.pk-lock { display: flex; gap: 6px; align-items: center; font: 700 12px/1 var(--mono); letter-spacing: .1em; padding: 7px 12px; border-radius: 999px; color: var(--ink); background: var(--amber); box-shadow: 0 6px 30px rgba(255, 186, 82, .4); animation: pk-lock var(--cycle) var(--ease) infinite; }
.pk-lock svg { width: 13px; height: 13px; fill: none; stroke: currentColor; stroke-width: 2.2; }
@keyframes pk-wave {
  0% { --x: 7%; --drop: 0px; opacity: 0; } 4% { opacity: 1; }
  30% { --x: 43%; --drop: 0px; opacity: 1; }
  36% { --x: 43%; --drop: 0px; opacity: 1; }
  48% { --x: 43%; --drop: var(--dropTo); opacity: 0; } 100% { --x: 43%; --drop: var(--dropTo); opacity: 0; }
}
@keyframes pk-text {
  0%, 32% { --x: 43%; opacity: 0; transform: translate(-50%, -50%) scale(.6); }
  37% { --x: 43%; opacity: 1; transform: translate(-50%, -50%) scale(1); }
  42% { --x: 43%; }
  62% { --x: 76%; opacity: 1; transform: translate(-50%, -50%) scale(1); }
  66%, 100% { --x: 76%; opacity: 0; transform: translate(-50%, -50%) scale(.6); }
}
@keyframes pk-lock {
  0%, 63% { --x: 76%; opacity: 0; transform: translate(-50%, -50%) scale(.6); }
  68% { --x: 76%; opacity: 1; transform: translate(-50%, -50%) scale(1); }
  72% { --x: 76%; }
  88% { --x: 93%; opacity: 1; transform: translate(-50%, -50%) scale(1); }
  92%, 100% { --x: 93%; opacity: 0; transform: translate(-50%, -50%) scale(.5); }
}
@media (max-width: 760px) {
  .flow { --row: 46px; --dropTo: 138px; height: 640px; margin-bottom: 30px; }
  .flow-zone.local { left: 0; right: 0; top: 0; bottom: auto; width: auto; height: 58.5%; }
  .flow-zone.cloud { left: 0; right: 0; bottom: 0; top: auto; width: auto; height: 39%; }
  .flow-zone span { left: auto; right: 16px; }
  .flow-line { left: var(--row); right: auto; top: 7%; bottom: 7%; width: 1px; height: auto; background: linear-gradient(180deg, rgba(112, 227, 209, .4), rgba(112, 227, 209, .4) 55%, rgba(255, 186, 82, .45) 62%, rgba(255, 186, 82, .45)); }
  .flow-line::after { background: linear-gradient(180deg, transparent, rgba(255, 255, 255, .7), transparent) no-repeat; background-size: 100% 12%; animation-name: sweep-v; }
  @keyframes sweep-v { from { background-position: 0 -15%; } to { background-position: 0 115%; } }
  .flow-border { left: 10px; right: 10px; top: 59.75%; bottom: auto; width: auto; height: 0; border-left: 0; border-top: 1px solid rgba(255, 255, 255, .22); }
  .flow-border span { bottom: auto; top: 0; left: auto; right: 6px; transform: translateY(-50%); }
  .st { left: var(--row); top: var(--x); transform: translate(-23px, -23px); grid-template-columns: 46px auto; justify-items: start; text-align: left; column-gap: 14px; row-gap: 2px; width: auto; }
  .st i { grid-row: span 2; }
  .st b { margin-top: 6px; }
  .st small { margin-top: 0; }
  .st-drop { left: calc(var(--row) + var(--dropTo)); top: var(--x); transform: translate(-18px, -18px); grid-template-columns: 36px auto; }
  .st-drop i { grid-row: auto; }
  .st-drop b { margin-top: 0; align-self: center; }
  .st b, .st small { white-space: nowrap; }
  .st-drop { column-gap: 10px; }
  .pk { left: var(--row); top: var(--x); transform: translate(-50%, -50%) translateX(var(--drop)); }
  .pk-text, .pk-lock { transform: translate(-50%, -50%); }
  @keyframes pk-text {
    0%, 32% { --x: 43%; opacity: 0; } 37% { --x: 43%; opacity: 1; } 42% { --x: 43%; }
    62% { --x: 76%; opacity: 1; } 66%, 100% { --x: 76%; opacity: 0; }
  }
  @keyframes pk-lock {
    0%, 63% { --x: 76%; opacity: 0; } 68% { --x: 76%; opacity: 1; } 72% { --x: 76%; }
    88% { --x: 93%; opacity: 1; } 92%, 100% { --x: 93%; opacity: 0; }
  }
}
@media (prefers-reduced-motion: reduce) {
  .pk, .flow-line::after { animation: none !important; opacity: 0 !important; }
  .st i { animation: none !important; }
}
@media (max-width: 560px) {
  .system { padding: 16px 12px; border-radius: 24px; }
  .zone { padding: 24px 10px 10px; border-radius: 18px; }
  .node { grid-template-columns: 38px 1fr; gap: 12px; padding: 14px 12px; }
  .node .ico { width: 38px; height: 38px; border-radius: 12px; }
  .node h4 { padding-right: 18px; word-break: auto-phrase; }
}
@media (max-width: 900px) { .zones { grid-template-columns: 1fr; gap: 34px; } }

/* AI に聞く（会話の見本） */
.chat { max-width: 720px; margin: 0 auto; display: grid; gap: 18px; }
.bubble { padding: 18px 22px; border-radius: 22px; line-height: 1.9; opacity: 0; transform: translateY(12px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.bubble.in { opacity: 1; transform: none; }
.bubble.me { justify-self: end; max-width: 80%; background: rgba(255, 255, 255, .07); border: 1px solid var(--line); }
.bubble.ai { max-width: 92%; background: var(--raised); border: 1px solid var(--line); }
.bubble.ai .tool { display: inline-flex; gap: 8px; align-items: center; font: 12px var(--mono); color: var(--teal); margin-bottom: 12px; }
.bubble.ai .tool::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--teal); box-shadow: 0 0 8px var(--teal); }
.cite { display: inline-block; margin: 2px 4px; padding: 0 9px; border-radius: 6px; font: 12px/1.9 var(--mono); color: var(--amber); background: rgba(255, 186, 82, .1); }

/* 機能 */
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
@media (max-width: 900px) { .grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .grid { grid-template-columns: 1fr; } }
.card { padding: 28px; border-radius: 24px; background: var(--raised); border: 1px solid var(--line); transition: border-color .3s, transform .4s var(--ease); }
.card:hover { border-color: var(--line-2); transform: translateY(-3px); }
.card .ico { color: var(--amber); margin-bottom: 18px; }
.card .ico svg { width: 26px; height: 26px; }
.card h3 { font-size: 19px; margin-bottom: 10px; }
.card p { font-size: 14px; color: var(--sub); line-height: 1.85; }

/* プライバシー要点 */
.duo { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 720px) { .duo { grid-template-columns: 1fr; } }
.duo .card ul { margin: 14px 0 0; padding-left: 1.2em; color: var(--sub); font-size: 14px; line-height: 2; }
.honest { margin-top: 16px; padding: 22px 26px; border-radius: 20px; border: 1px solid rgba(255, 115, 97, .3); background: rgba(255, 115, 97, .05); font-size: 14px; color: var(--sub); line-height: 1.9; }
.honest b { color: var(--text); }

/* 料金 */
.plans { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; max-width: 920px; }
@media (max-width: 720px) { .plans { grid-template-columns: 1fr; } }
.plan { padding: 34px; border-radius: 28px; background: var(--raised); border: 1px solid var(--line); }
.plan.premium { border-color: rgba(255, 186, 82, .4); background: linear-gradient(160deg, rgba(255, 186, 82, .1), var(--raised) 55%); }
.plan .price { font: 300 44px/1.1 var(--sans); margin: 18px 0 4px; }
.plan .price small { font-size: 15px; color: var(--sub); }
.plan .price-alt { font-size: 14px; color: var(--amber); margin-bottom: 6px; }
.plan ul { list-style: none; margin: 24px 0 0; padding: 0; display: grid; gap: 10px; font-size: 14px; color: var(--sub); }
.plan li::before { content: "—"; color: var(--amber); margin-right: 10px; }

/* FAQ */
details { border-bottom: 1px solid var(--line); padding: 22px 0; }
summary { cursor: pointer; list-style: none; font-weight: 600; display: flex; justify-content: space-between; gap: 20px; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; color: var(--amber); font-weight: 300; font-size: 22px; line-height: 1; transition: transform .3s var(--ease); }
details[open] summary::after { transform: rotate(45deg); }
details p { margin-top: 12px; color: var(--sub); font-size: 15px; }

/* 文書（使い方・規約など） */
.doc { padding: 150px 0 120px; }
.doc .wrap { max-width: 820px; }
.doc h1 { font-size: clamp(30px, 5vw, 56px); line-height: 1.35; margin: 14px 0 22px; }
.doc h2 { font-size: clamp(22px, 2.6vw, 28px); margin: 64px 0 18px; padding-top: 10px; }
.doc h3 { font-size: 18px; margin: 36px 0 12px; }
.doc p, .doc li { color: var(--sub); font-size: 15.5px; line-height: 2; }
.doc p + p { margin-top: 14px; }
.doc ol, .doc ul { padding-left: 1.4em; }
.doc li { margin: 6px 0; }
.doc strong { color: var(--text); }
.doc table { width: 100%; border-collapse: collapse; margin: 18px 0; font-size: 14px; }
.doc th, .doc td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--line); vertical-align: top; color: var(--sub); }
.doc th { color: var(--text); font-weight: 600; width: 34%; }
.doc [id] { scroll-margin-top: 90px; }
@media (max-width: 560px) {
  .doc table, .doc tbody, .doc tr, .doc th, .doc td { display: block; width: auto; }
  .doc th { border-bottom: 0; padding: 14px 0 4px; }
  .doc td { padding: 0 0 14px; }
}
.toc { margin: 30px 0 10px; padding: 22px 26px; border-radius: 18px; background: var(--raised); border: 1px solid var(--line); }
.toc ol { margin: 0; columns: 2; column-gap: 32px; }
@media (max-width: 600px) { .toc ol { columns: 1; } }
.toc a { color: var(--sub); font-size: 14px; }
.steps { counter-reset: s; list-style: none; padding: 0 !important; display: grid; gap: 14px; }
.steps > li { counter-increment: s; position: relative; padding: 20px 22px 20px 72px; border-radius: 18px; background: var(--raised); border: 1px solid var(--line); margin: 0 !important; }
.steps > li::before { content: counter(s); position: absolute; left: 22px; top: 18px; width: 32px; height: 32px; border-radius: 50%; display: grid; place-items: center; font: 600 13px var(--mono); color: var(--amber); background: rgba(255, 186, 82, .12); }
.steps > li b { color: var(--text); display: block; margin-bottom: 2px; }
.url-box { display: flex; gap: 10px; align-items: center; justify-content: space-between; flex-wrap: wrap; padding: 18px 22px; border-radius: 18px; background: var(--raised); border: 1px solid rgba(255, 186, 82, .35); margin: 18px 0; }
.url-box code { font: 15px var(--mono); color: var(--text); word-break: break-all; }
.copy { height: 38px; padding: 0 16px; border-radius: 999px; border: 0; font: 600 13px var(--sans); color: var(--amber); background: rgba(255, 186, 82, .14); cursor: pointer; }
.note { font-size: 13px !important; color: var(--dim) !important; }
.updated { font: 12px var(--mono); color: var(--dim); }

/* フッター */
footer { border-top: 1px solid var(--line); padding: 60px 0 50px; color: var(--dim); font-size: 13px; }
footer .wrap { display: flex; justify-content: space-between; gap: 30px; flex-wrap: wrap; }
footer nav { display: flex; gap: 22px; flex-wrap: wrap; }
footer a { color: var(--sub); }

/* 現れる */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 1s var(--ease), transform 1s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal, .node, .bubble { opacity: 1 !important; transform: none !important; transition: none !important; }
}