/* YOBITSUGI AI(呼継AI)の LP(G-10・G-13)。色はアプリと同じ(藍色 1 色・ミントはロゴだけ)。角の丸み: 画面の写真 16px・カード 20px・ボタンは丸 */
:root {
  --bg: #fbfbfa; --panel: #ffffff; --tint: #f3f5fd; --fg: #1b1c1f; --mut: #5f626a; --faint: #8b8e96;
  --line: #e6e6e3; --acc: #2f4fd8; --acc-fg: #ffffff; --acc-soft: #eef1fd; --acc-ink: #2440b8;
  --shadow: 0 1px 2px rgb(47 79 216 / .06), 0 18px 48px -18px rgb(47 79 216 / .28);
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  color-scheme: light;
}
/* 黒い章(G-44・G-49)。白い章と入れ替わりに置き、イラストは白い章だけに置く。LP は OS の暗い設定に従わない(アプリは従う) */
.dk {
  --bg: #0b0c10; --panel: #14161c; --tint: #151a2c; --fg: #ecedf0; --mut: #a4a7b0; --faint: #767a84;
  --line: #262931; --acc: #8b9dff; --acc-fg: #0d0f1a; --acc-soft: #1b2140; --acc-ink: #b3bfff;
  --shadow: 0 1px 2px rgb(0 0 0 / .4), 0 24px 60px -24px rgb(0 0 0 / .7);
  color-scheme: dark; background: var(--bg); color: var(--fg);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0; background: var(--bg); color: var(--fg);
  font-family: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Noto Sans CJK JP", "Yu Gothic UI", Meiryo, system-ui, sans-serif;
  font-size: 16px; line-height: 1.8; -webkit-font-smoothing: antialiased; font-feature-settings: "palt" 1;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
h1, h2, h3 { margin: 0; letter-spacing: -0.01em; font-weight: 700; }
p { margin: 0; }
.wrap { width: min(1200px, 100% - 48px); margin-inline: auto; }
.sp { display: none; }
.ic { width: 1.15em; height: 1.15em; flex: none; fill: currentColor; }

/* ボタン */
.btn {
  display: inline-flex; align-items: center; gap: 8px; height: 40px; padding: 0 18px; border-radius: 999px;
  border: 1px solid var(--line); background: var(--panel); color: var(--fg); text-decoration: none; font-size: 14px; font-weight: 600;
  white-space: nowrap; transition: transform 140ms var(--ease), background-color 160ms ease, border-color 160ms ease, box-shadow 200ms ease;
}
.btn:active { transform: scale(0.97); }
.btn.lg { height: 52px; padding: 0 26px; font-size: 16px; }
.btn.primary { background: var(--acc); color: var(--acc-fg); border-color: transparent; box-shadow: 0 8px 24px -10px rgb(47 79 216 / .6); }
.btn.primary .ic { transition: transform 200ms var(--ease); }
.btn.ghost { background: transparent; }
.btn:focus-visible { outline: 3px solid color-mix(in srgb, var(--acc) 45%, transparent); outline-offset: 2px; }
@media (hover: hover) and (pointer: fine) {
  .btn:hover { border-color: color-mix(in srgb, var(--acc) 40%, var(--line)); }
  .btn.primary:hover { background: color-mix(in srgb, var(--acc) 90%, #000); }
  .btn.primary:hover .ic { transform: translateX(3px); }
}

/* ナビ */
.nav { position: sticky; top: 0; z-index: 10; background: color-mix(in srgb, var(--bg) 82%, transparent); backdrop-filter: saturate(160%) blur(14px); -webkit-backdrop-filter: saturate(160%) blur(14px); border-bottom: 1px solid color-mix(in srgb, var(--line) 70%, transparent); }
.nav-in { height: 64px; display: flex; align-items: center; gap: 28px; }
.logo { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 700; font-size: 18px; letter-spacing: -0.01em; }
.logo img { border-radius: 22%; }
.logo.sm { font-size: 15px; gap: 8px; }
/* 名前(10/4): YOBITSUGI AI を中心に、横に小さく 呼継AI */
.logo span { letter-spacing: .02em; }
.logo .logo-ja { margin-left: -4px; font-size: 11px; font-weight: 600; letter-spacing: .1em; color: var(--faint); }
.logo.sm .logo-ja { font-size: 10px; margin-left: -2px; }
.nav-links { display: flex; gap: 24px; margin-left: auto; font-size: 14px; }
.nav-links a { text-decoration: none; color: var(--mut); transition: color 160ms ease; }
.nav-links a:hover { color: var(--fg); }

/* ヒーロー */
.hero { padding: 56px 0 72px; overflow: hidden; }
.hero-in { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 48px; align-items: center; }
.hero h1 { font-size: clamp(2.1rem, 3.9vw, 3.5rem); line-height: 1.3; letter-spacing: -0.02em; }
.lead { margin-top: 22px; font-size: 18px; color: var(--mut); max-width: 32em; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.shot { margin: 0; border-radius: 16px; overflow: hidden; border: 1px solid var(--line); background: var(--panel); box-shadow: var(--shadow); }
.hero-shot { margin-right: calc(-1 * max(24px, (100vw - 1200px) / 2)); border-top-right-radius: 0; border-bottom-right-radius: 0; border-right: 0; }
.hero-shot img { width: 100%; }

/* 頼むだけで */
.work { padding: 72px 0; }
.work-in { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: 56px; align-items: center; }
.work h2, .admin h2, .api h2 { font-size: clamp(1.7rem, 2.8vw, 2.4rem); line-height: 1.4; }
.work-copy p, .admin-copy > p { margin-top: 18px; color: var(--mut); max-width: 30em; }
.ticks { list-style: none; padding: 0; margin: 26px 0 0; display: grid; gap: 12px; }
.ticks li { display: flex; align-items: center; gap: 12px; font-weight: 600; font-size: 15px; }
.ticks .ic { width: 22px; height: 22px; color: var(--acc); }

/* 頼めること(ベント) */
.can { padding: 72px 0; }
.sec-h { font-size: clamp(1.6rem, 2.6vw, 2.2rem); line-height: 1.4; margin-bottom: 32px; }
.bento { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); grid-auto-rows: minmax(190px, auto); gap: 16px; }
.cell { border: 1px solid var(--line); border-radius: 20px; background: var(--panel); padding: 26px; display: flex; flex-direction: column; gap: 10px; overflow: hidden; }
.cell h3 { font-size: 19px; line-height: 1.5; }
.cell p { color: var(--mut); font-size: 15px; }
.cell-icon { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; background: var(--acc-soft); color: var(--acc); margin-bottom: 4px; }
.cell-icon .ic { width: 24px; height: 24px; }
.c-files { grid-column: 1 / 4; grid-row: 1 / 3; padding-bottom: 0; }
.c-media { grid-column: 4 / 7; grid-row: 1; background: var(--acc); color: var(--acc-fg); border-color: transparent; }
.c-media p { color: color-mix(in srgb, var(--acc-fg) 82%, transparent); }
.c-google { grid-column: 4 / 7; grid-row: 2; background: var(--tint); }
.c-stream { grid-column: 1 / 4; }
.c-safe { grid-column: 4 / 7; }
.media-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: auto; padding-top: 8px; }
.media-chips span { display: inline-flex; align-items: center; gap: 6px; padding: 6px 12px; border-radius: 999px; background: color-mix(in srgb, var(--acc-fg) 14%, transparent); font-size: 14px; font-weight: 600; }
.cell-shot { margin: 8px -26px 0; display: block; }
.cell-shot img { width: 100%; border-top: 1px solid var(--line); }
.c-files { justify-content: space-between; }

/* 使える AI */
.models { padding: 72px 0; }
.model-row { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1px solid var(--line); }
.model { padding: 22px 22px 0 0; display: grid; gap: 6px; align-content: start; }
.model + .model { padding-left: 22px; border-left: 1px solid var(--line); }
.model b { font-size: 20px; letter-spacing: -0.01em; line-height: 1; }
.brand-row { display: flex; align-items: center; gap: 10px; height: 32px; color: var(--fg); }
.lg.mark { width: 28px; height: 28px; flex: none; }
.lg.word { height: 21px; width: auto; flex: none; }
.cell-icon.brand { background: var(--panel); border: 1px solid var(--line); }
.cell-icon.brand .lg.mark { width: 24px; height: 24px; }
.model span { color: var(--mut); font-size: 15px; }

/* 料金 */
.price { padding: 80px 0; }
.price-in { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 24px 56px; align-items: center; }
.price-big { font-size: 18px; font-weight: 700; color: var(--acc-ink); }
.price-big span { font-size: 44px; line-height: 1; margin: 0 4px; letter-spacing: -0.02em; }
.price-head h2 { margin-top: 10px; font-size: clamp(1.7rem, 2.8vw, 2.4rem); }
.price-head p:last-child { margin-top: 14px; color: var(--mut); }
.price-tiles { margin: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.pt { border: 1px solid var(--line); border-radius: 20px; padding: 20px 22px; background: var(--panel); }
.pt dt { display: flex; align-items: center; gap: 8px; color: var(--mut); font-size: 14px; font-weight: 600; }
.pt dt .ic { color: var(--acc); width: 20px; height: 20px; }
.pt dd { margin: 8px 0 0; font-size: 34px; font-weight: 700; letter-spacing: -0.02em; line-height: 1.2; font-variant-numeric: tabular-nums; }
.pt dd small { font-size: 14px; font-weight: 600; color: var(--mut); margin-left: 6px; letter-spacing: 0; }
.note { grid-column: 2; font-size: 13px; color: var(--faint); }

/* 管理者 */
.admin { padding: 72px 0; }
.admin-in { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 56px; align-items: center; }
.feat { list-style: none; padding: 0; margin: 28px 0 0; display: grid; gap: 18px; }
.feat li { display: grid; grid-template-columns: 40px 1fr; gap: 14px; align-items: start; }
.feat .ic { width: 40px; height: 40px; padding: 9px; border-radius: 12px; background: var(--acc-soft); color: var(--acc); }
.feat b { display: block; font-size: 16px; }
.feat span { color: var(--mut); font-size: 14.5px; }

/* 専用の契約(同じテーマの中で色を少し変えた帯) */
.api { padding: 0; }
.api-in { background: var(--tint); border: 1px solid color-mix(in srgb, var(--acc) 18%, var(--line)); border-radius: 20px; padding: 52px; display: grid; grid-template-columns: minmax(0, 6fr) minmax(0, 5fr); gap: 40px; align-items: center; }
.api-copy p { margin-top: 16px; color: var(--mut); max-width: 32em; }
.api-copy .api-note { font-size: 14px; color: var(--fg); font-weight: 600; }
.api-points { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.api-points li { display: flex; align-items: center; gap: 14px; padding: 14px 18px; border-radius: 14px; background: var(--panel); border: 1px solid var(--line); font-weight: 600; font-size: 15px; }
.api-points .ic { width: 22px; height: 22px; color: var(--acc); }

/* よくある質問 */
.faq { padding: 88px 0 72px; }
.faq-in { max-width: 760px; }
.faq-list { border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { list-style: none; cursor: pointer; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 20px 2px; font-weight: 600; font-size: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary .ic { color: var(--faint); transition: transform 220ms var(--ease); }
.faq details[open] summary .ic { transform: rotate(180deg); }
.faq details p { padding: 0 2px 22px; color: var(--mut); font-size: 15px; }
.faq summary:focus-visible { outline: 3px solid color-mix(in srgb, var(--acc) 45%, transparent); outline-offset: 2px; border-radius: 6px; }

/* 最後の誘い */
.end { padding: 40px 0 96px; }
.end-in { display: grid; justify-items: center; gap: 20px; text-align: center; }
.end-in img { border-radius: 22%; }
.end h2 { font-size: clamp(1.5rem, 2.4vw, 2rem); }

.foot { border-top: 1px solid var(--line); padding: 28px 0 36px; }
.foot-in { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 24px; font-size: 13px; color: var(--faint); }
.foot .tm { margin-left: auto; }

/* 動き: 最初の表示と、画面に入ったとき(CSS のスクロール連動。対応していないブラウザは動かさずに見せる) */
@media (prefers-reduced-motion: no-preference) {
  .hero .rv { animation: rise 700ms var(--ease) both; }
  .hero .hero-shot { animation-delay: 120ms; }
  @supports (animation-timeline: view()) {
    main > section:not(.hero) .rv { animation: rise linear both; animation-timeline: view(); animation-range: entry 0% entry 38%; }
  }
}
@keyframes rise { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }

/* スマホ */
@media (max-width: 1023px) {
  .nav-links { display: none; }
  .nav-in { justify-content: space-between; }
  .hero-in, .work-in, .price-in, .admin-in, .api-in { grid-template-columns: minmax(0, 1fr); }
  .hero-shot { margin-right: 0; border-radius: 16px; border-right: 1px solid var(--line); }
  .work-in .shot { order: 2; }
  .note { grid-column: 1; }
  .api-in { padding: 32px 24px; }
}
@media (max-width: 767px) {
  .wrap { width: min(1200px, 100% - 32px); }
  .sp { display: inline; }
  .hero { padding: 32px 0 48px; }
  .lead { font-size: 16px; }
  .work, .can, .models, .admin { padding: 48px 0; }
  .price { padding: 56px 0; }
  .bento { grid-template-columns: minmax(0, 1fr); grid-auto-rows: auto; }
  .c-files, .c-media, .c-google, .c-stream, .c-safe { grid-column: 1; grid-row: auto; }
  .model-row { grid-template-columns: minmax(0, 1fr); }
  .model, .model + .model { padding: 16px 0; border-left: 0; border-bottom: 1px solid var(--line); }
  .price-tiles { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 10px; }
  .pt { padding: 16px; } .pt dd { font-size: 26px; }
  .foot .tm { margin-left: 0; }
  .btn.lg { height: 50px; padding: 0 22px; }
}
/* 印刷・ページ全体の書き出しでは動きを止めて、全部見せる */
@media print { .rv { animation: none !important; opacity: 1 !important; transform: none !important; } .nav { position: static; } }

/* 規約とお問い合わせへのリンク(フッター・10/5) */
.foot-legal { display: flex; flex-wrap: wrap; gap: 6px 18px; width: 100%; order: 3; font-size: 12px; }
.foot-legal a { color: inherit; text-decoration: none; }
.foot-legal a:hover { text-decoration: underline; text-underline-offset: 2px; }
.foot-in > .copy { order: 4; }