/* =========================================================
   Postecho — Landing Page
   Aesthetic: light editorial · warm paper · generous whitespace
   strong type contrast · image-led · low text density
   ========================================================= */

:root {
  --paper:    #FAF8F3;
  --paper-2:  #F1EEE6;
  --card:     #FFFFFF;
  --ink:      #17181C;
  --ink-soft: #3C3F46;
  --muted:    #767981;
  --line:     rgba(20,20,26,.10);
  --line-2:   rgba(20,20,26,.16);
  --accent:   #0A93B0;   /* 浅葱色（水色寄りのシアン） */
  --accent-d: #097A93;
  --accent-soft: #E3F1F5;
  --pop:      #E85D34;   /* 浅葱色の反対色（朱色／バーミリオン）— 数字の強調用 */
  --on-accent:#FFFFFF;

  --maxw: 1140px;
  --r: 22px;
  --r-sm: 14px;
  --ease: cubic-bezier(.22,.61,.36,1);

  /* Noto Sans で統一：ラテン=Noto Sans ／ 日本語=Noto Sans JP */
  --f-disp:  "Noto Sans", "Noto Sans JP", sans-serif;
  --f-jp:    "Noto Sans JP", "Noto Sans", sans-serif;
  --f-serif: "Noto Sans JP", "Noto Sans", sans-serif;
  --f-body:  "Noto Sans", "Noto Sans JP", system-ui, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--f-body);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.85;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }
.only-sp { display: none; }

h1, h2, h3 { font-family: var(--f-jp); font-weight: 900; line-height: 1.28; letter-spacing: .01em; }
a { color: inherit; text-decoration: none; }

/* ---- Type accents ---- */
.eyebrow {
  display: inline-block;
  font-family: var(--f-disp); font-weight: 800;
  font-size: clamp(15px, 1.8vw, 19px); letter-spacing: .01em;
  color: var(--ink-soft); margin-bottom: 20px;
}
.eyebrow--accent { color: var(--accent); }
.serif-accent { font-family: var(--f-jp); font-weight: 900; color: var(--accent); }
.hero__title .serif-accent { color: var(--ink); }

/* ---- Buttons / links ---- */
.btn {
  --py: 14px; --px: 26px;
  display: inline-flex; align-items: center; justify-content: center; gap: .5em;
  font-family: var(--f-jp); font-weight: 700; font-size: 15px;
  padding: var(--py) var(--px);
  background: var(--accent); color: var(--on-accent);
  border: none; border-radius: 999px; cursor: pointer;
  transition: transform .2s var(--ease), box-shadow .25s var(--ease), background .2s;
  box-shadow: 0 10px 26px -12px rgba(10,147,176,.7);
}
.btn:hover { background: var(--accent-d); transform: translateY(-2px); box-shadow: 0 16px 34px -12px rgba(10,147,176,.75); }
.btn--sm { --py: 10px; --px: 20px; font-size: 14px; }
.btn--lg { --py: 18px; --px: 38px; font-size: 17px; }
.btn--block { width: 100%; }
.textlink { font-family: var(--f-jp); font-weight: 700; font-size: 15px; color: var(--ink); border-bottom: 2px solid var(--accent); padding-bottom: 2px; transition: color .2s; }
.textlink:hover { color: var(--accent); }

/* ---- Header ---- */
.hdr { position: sticky; top: 0; z-index: 50; background: #fff; border-bottom: 1px solid var(--line); transition: box-shadow .3s; }
.hdr.is-scrolled { box-shadow: 0 6px 20px -14px rgba(60,40,20,.4); }
.hdr__in { display: flex; align-items: center; gap: 24px; height: 72px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-family: var(--f-disp); font-weight: 800; font-size: 21px; letter-spacing: -.01em; }
.brand__mark { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 10px; background: var(--accent); color: #fff; }
.hdr__nav { display: flex; gap: 24px; margin-left: auto; font-family: var(--f-jp); font-weight: 500; font-size: 14px; color: var(--ink-soft); white-space: nowrap; }
.hdr__nav a:hover { color: var(--accent); }

/* ---- Hero ---- */
.hero { padding: 80px 0 96px; }
.hero__in { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }
.hero__title { font-size: clamp(40px, 5.2vw, 60px); line-height: 1.22; letter-spacing: .005em; margin-bottom: 28px; }
.hero__proof { display: flex; align-items: baseline; flex-wrap: wrap; gap: 4px 12px; margin: 24px 0 18px; }
.hero__proof .stat { display: inline-flex; align-items: baseline; gap: 6px; }
.hero__proof .stat__num { font-family: var(--f-disp); font-weight: 800; font-size: clamp(40px, 6.4vw, 64px); line-height: .92; color: var(--accent); letter-spacing: -.01em; }
.hero__proof .stat__num small { font-size: .42em; font-weight: 800; margin-left: 1px; }
.hero__proof .stat__u { font-size: clamp(14px, 1.5vw, 16px); font-weight: 700; color: var(--ink); }
.hero__proof .stat__x { font-family: var(--f-disp); font-weight: 700; font-size: clamp(20px, 2.4vw, 26px); color: var(--muted); margin: 0 2px; }
.hero__proof .stat__tail { font-size: clamp(14px, 1.5vw, 16px); font-weight: 700; color: var(--ink); }

.hero__lead { font-size: clamp(15px, 1.7vw, 17.5px); color: var(--ink-soft); line-height: 1.9; }
.hero__cta { display: flex; align-items: center; gap: 28px; margin: 38px 0 20px; flex-wrap: wrap; }
.hero__note { font-family: var(--f-jp); font-weight: 700; font-size: 13.5px; color: var(--accent); letter-spacing: .02em; }
.hero__media { position: relative; }
.hero__media img { width: 100%; border-radius: var(--r); box-shadow: 0 40px 80px -40px rgba(60,40,20,.4); aspect-ratio: 3/2; object-fit: cover; }

/* ---- Hero: 実際のX投稿に寄せた自動運用カード ---- */
.xcard {
  --x-ink: #0F1419; --x-sub: #536471; --x-line: #EFF3F4;
  --x-blue: #1D9BF0; --x-pink: #F91880; --x-green: #00BA7C;
  position: relative; background: #fff; border: 1px solid var(--line);
  border-radius: var(--r); box-shadow: 0 40px 80px -42px rgba(60,40,20,.45);
  overflow: hidden; min-height: 400px;
  font-family: var(--f-body);
}
.xcard__top { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 13px 18px; border-bottom: 1px solid var(--x-line); }
.xcard__live { display: inline-flex; align-items: center; gap: 8px; font-size: 12.5px; font-weight: 700; color: var(--accent); }
.xcard__live i { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); animation: xaPulse 1.2s infinite; }
@keyframes xaPulse { 0%,100%{opacity:.35;} 50%{opacity:1;} }
.xcard__fol { font-size: 13px; color: var(--x-sub); flex: 0 0 auto; }
.xcard__fnum { font-weight: 800; color: var(--x-ink); font-variant-numeric: tabular-nums; transition: transform .2s var(--ease), color .2s; }
.xcard__fnum.bump { transform: scale(1.16); color: var(--accent); }

.xpost { display: flex; gap: 12px; padding: 16px 18px 14px; }
.xcard .xpost__av { flex: 0 0 auto; width: 44px; height: 44px; border-radius: 50%; object-fit: cover; aspect-ratio: 1; background: var(--x-line); box-shadow: none; }
.xpost__main { flex: 1 1 auto; min-width: 0; }
.xpost__head { display: flex; align-items: center; gap: 4px; }
.xpost__name { font-weight: 700; font-size: 15px; color: var(--x-ink); white-space: nowrap; }
.xpost__badge { flex: 0 0 auto; }
.xpost__meta { font-size: 15px; color: var(--x-sub); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.xpost__menu { margin-left: auto; color: var(--x-sub); flex: 0 0 auto; }
.xpost__text { font-size: 15px; line-height: 1.55; color: var(--x-ink); margin: 3px 0 12px; min-height: 1.55em; white-space: pre-wrap; word-break: break-word; }
.xpost__text::after { content: "▍"; color: var(--accent); margin-left: 1px; opacity: 0; font-weight: 400; }
.xpost.typing .xpost__text::after { opacity: 1; animation: xaCaret .7s steps(1) infinite; }
@keyframes xaCaret { 50% { opacity: 0; } }

.xpost__actions { display: flex; align-items: center; gap: 0; justify-content: space-between; max-width: 340px; }
.xact { display: inline-flex; align-items: center; gap: 7px; color: var(--x-sub); font-size: 13px; font-variant-numeric: tabular-nums; transition: color .2s; }
.xact i { font-style: normal; }
.xact--end { margin-left: auto; }
.xact--end + .xact--end { margin-left: 14px; }
.xact.pop svg { animation: xaPop .4s var(--ease); }
.xact.pop[data-k="like"] { color: var(--x-pink); }
.xact.pop[data-k="rt"] { color: var(--x-green); }
.xact.pop[data-k="reply"] { color: var(--x-blue); }
@keyframes xaPop { 0%{transform:scale(1);} 40%{transform:scale(1.45);} 100%{transform:scale(1);} }

.xreply { display: flex; gap: 10px; align-items: flex-start; margin: 0 18px 18px; padding: 12px 14px; background: var(--paper); border: 1px solid var(--x-line); border-radius: 14px; opacity: 0; transform: translateY(8px); transition: opacity .4s var(--ease), transform .4s var(--ease); }
.xreply.show { opacity: 1; transform: none; }
.xreply__av { flex: 0 0 auto; width: 28px; height: 28px; border-radius: 50%; background: linear-gradient(135deg, #d8b48a, #c98f6a); }
.xreply__name { font-weight: 700; font-size: 13px; color: var(--x-ink); }
.xreply__h { font-weight: 400; color: var(--x-sub); margin-left: 5px; }
.xreply p { font-size: 13px; color: var(--x-ink); line-height: 1.55; margin-top: 1px; }

.xauto__toast { position: absolute; right: 18px; bottom: 18px; background: var(--x-ink); color: #fff; font-family: var(--f-body); font-weight: 700; font-size: 13px; padding: 9px 16px; border-radius: 999px; box-shadow: 0 12px 28px -10px rgba(0,0,0,.5); opacity: 0; transform: translateY(12px) scale(.96); transition: opacity .35s var(--ease), transform .35s var(--ease); pointer-events: none; }
.xauto__toast.show { opacity: 1; transform: none; }
.xauto__toast b { color: #6fd9ee; }

/* ---- Trust line ---- */
.trust { border-block: 1px solid var(--line); background: var(--paper-2); }
.trust__in { display: flex; align-items: center; justify-content: center; gap: 18px; padding: 20px 28px; flex-wrap: wrap; font-family: var(--f-jp); font-weight: 700; font-size: 15px; color: var(--ink-soft); }
.trust__in i { width: 5px; height: 5px; border-radius: 50%; background: var(--accent); display: inline-block; }
.trust__lead { color: var(--muted); font-weight: 500; font-size: 13px; letter-spacing: .04em; }
.trust__in a { color: var(--ink-soft); border-bottom: 2px solid transparent; padding-bottom: 2px; transition: color .2s, border-color .2s; }
.trust__in a:hover { color: var(--accent); border-bottom-color: var(--accent); }

/* ---- Use cases ---- */
.uc__row { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; scroll-margin-top: 100px; }
.uc__row + .uc__row { margin-top: 100px; }
.uc__row--rev .uc__media { order: 2; }
.uc__media img { width: 100%; border-radius: var(--r); box-shadow: 0 36px 76px -44px rgba(60,40,20,.5); aspect-ratio: 3/2; object-fit: cover; }
.uc__media svg { width: 100%; height: auto; aspect-ratio: 600 / 400; display: block; border-radius: var(--r); box-shadow: 0 36px 76px -44px rgba(60,40,20,.5); }
.uc__tag { display: inline-block; font-family: var(--f-jp); font-weight: 700; font-size: 15.5px; color: var(--accent); background: var(--accent-soft); border-radius: 999px; padding: 9px 22px; margin-bottom: 18px; }
.uc__copy h3 { font-size: clamp(24px, 3vw, 32px); line-height: 1.34; margin-bottom: 16px; }
.uc__copy > p { font-size: 15.5px; color: var(--ink-soft); line-height: 1.95; }
.uc__list { list-style: none; margin-top: 22px; display: grid; gap: 11px; }
.uc__list li { position: relative; padding-left: 28px; font-size: 14.5px; color: var(--ink-soft); }
.uc__list li::before { content: ""; position: absolute; left: 0; top: .55em; width: 14px; height: 8px; border-left: 2px solid var(--accent); border-bottom: 2px solid var(--accent); transform: rotate(-45deg); }

/* ---- Sections ---- */
.sec { padding: 120px 0; }
.sec__head { margin-bottom: 56px; }
.sec__head--center { text-align: center; }
.sec__title { font-size: clamp(28px, 3.8vw, 46px); line-height: 1.32; }
.sec__lead { font-size: 16.5px; color: var(--ink-soft); line-height: 1.95; max-width: 32em; margin-top: 22px; }

/* 日本語リード文の改行を自然に：行の長さを揃えるより、文節区切りでの自然な改行を優先 */
.hero__lead, .sec__lead, .uc__copy > p, .why__item p, .cv__sub {
  text-wrap: pretty;
  word-break: auto-phrase;
}
.sec__lead--center { margin-left: auto; margin-right: auto; }

.cando__ico { display: grid; place-items: center; width: 46px; height: 46px; border-radius: 12px; background: var(--accent-soft); color: var(--accent); }
.cando__ico svg { width: 23px; height: 23px; }

/* ---- Can do: 自動運用サイクル ---- */
.cycle { position: relative; width: 100%; max-width: 680px; aspect-ratio: 1; margin: 64px auto 0; }
.cycle__ring { position: absolute; inset: 0; width: 100%; height: 100%; color: var(--accent); overflow: visible; }
.cycle__orbit { transform-origin: 50% 50%; animation: cySpin 34s linear infinite; }
@keyframes cySpin { to { transform: rotate(360deg); } }

.cycle__hub {
  position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%);
  width: 37%; aspect-ratio: 1; border-radius: 50%;
  background: var(--card); border: 1px solid var(--line);
  box-shadow: 0 24px 56px -28px rgba(60,40,20,.42);
  display: grid; place-content: center; justify-items: center; gap: 6px; text-align: center; padding: 10px;
}
.cycle__hub-ico { color: var(--accent); line-height: 0; }
.cycle__hub b { font-family: var(--f-jp); font-weight: 900; font-size: clamp(15px, 2vw, 20px); line-height: 1.35; }
.cycle__hub small { font-size: 11px; color: var(--muted); line-height: 1.55; }

.cycle__nodes { list-style: none; position: absolute; inset: 0; }
.cycle__node {
  position: absolute; left: var(--x); top: var(--y); transform: translate(-50%, -50%);
  width: 132px; display: flex; flex-direction: column; align-items: center; gap: 10px; text-align: center;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--r-sm); padding: 16px 12px;
  box-shadow: 0 14px 32px -22px rgba(60,40,20,.4);
  font-family: var(--f-jp); font-weight: 700; font-size: 13.5px; line-height: 1.4;
  transition: transform .25s var(--ease), box-shadow .25s, border-color .25s;
}
.cycle__node:hover { transform: translate(-50%, -50%) scale(1.06); border-color: transparent; box-shadow: 0 22px 44px -22px rgba(10,147,176,.4); }

/* ---- Feature (image) ---- */
.feature { background: var(--paper-2); }
.feature__in { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; align-items: center; }
.feature__media img { width: 100%; border-radius: var(--r); box-shadow: 0 40px 80px -44px rgba(60,40,20,.45); aspect-ratio: 3/2; object-fit: cover; }
.feature__copy .sec__lead { margin-top: 24px; }

/* ---- Why ---- */
.why__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.why__item {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--r);
  padding: 26px 26px 30px; display: flex; flex-direction: column;
  transition: transform .25s var(--ease), box-shadow .25s, border-color .25s;
}
.why__item:hover { transform: translateY(-5px); border-color: transparent; box-shadow: 0 28px 52px -28px rgba(60,40,20,.32); }
.why__head { display: flex; align-items: center; gap: 13px; margin-bottom: 18px; }
.why__no {
  flex: 0 0 auto; display: inline-grid; place-items: center;
  width: 42px; height: 42px; border-radius: 12px;
  background: var(--accent-soft); border: 1px solid rgba(10,147,176,.28); color: var(--accent);
  font-family: var(--f-disp); font-weight: 800; font-size: 16px; letter-spacing: .01em;
}
.why__item h3 { font-size: 20px; margin: 0; }
.why__ill { border-radius: 14px; overflow: hidden; background: var(--paper-2); border: 1px solid var(--line); margin-bottom: 18px; }
.why__ill img { width: 100%; aspect-ratio: 4/3; object-fit: contain; padding: 10px; display: block; }
.why__item p { font-size: 14.5px; color: var(--ink-soft); line-height: 1.85; margin-top: auto; }

/* ---- FAQ ---- */
.faq { background: var(--paper-2); }
.faq__in { max-width: 760px; margin: 0 auto; }
.faq__head { text-align: left; margin-bottom: 44px; }
.faq__list { display: grid; gap: 12px; }
.qa { background: var(--card); border: 1px solid var(--line); border-radius: var(--r-sm); overflow: hidden; transition: border-color .2s; }
.qa[open] { border-color: var(--accent); }
.qa summary { list-style: none; cursor: pointer; padding: 22px 24px; font-family: var(--f-jp); font-weight: 700; font-size: 16.5px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.qa summary::-webkit-details-marker { display: none; }
.qa__icon { position: relative; flex: 0 0 auto; width: 18px; height: 18px; }
.qa__icon::before, .qa__icon::after { content: ""; position: absolute; background: var(--accent); border-radius: 2px; transition: transform .25s var(--ease); }
.qa__icon::before { top: 8px; left: 0; width: 18px; height: 2px; }
.qa__icon::after { top: 0; left: 8px; width: 2px; height: 18px; }
.qa[open] .qa__icon::after { transform: rotate(90deg); opacity: 0; }
.qa__body { padding: 0 24px 24px; }
.qa__body p { color: var(--ink-soft); font-size: 15px; line-height: 1.9; }

/* ---- CV ---- */
.cv { position: relative; padding: 120px 0; background: var(--accent-soft); }
.cv__in { position: relative; z-index: 2; max-width: 760px; margin: 0 auto; }
.cv__head { text-align: left; margin-bottom: 40px; }
.cv__title { font-size: clamp(30px, 4.4vw, 50px); line-height: 1.25; }
.cv__sub { margin-top: 20px; color: var(--ink-soft); font-size: 16px; }

.form { background: var(--card); border: 1px solid var(--line); border-radius: var(--r); padding: 36px; display: grid; gap: 18px; box-shadow: 0 40px 90px -50px rgba(60,40,20,.5); }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field > span, .choices > legend { font-family: var(--f-jp); font-weight: 700; font-size: 13.5px; color: var(--ink-soft); }
.field input, .field select { width: 100%; background: var(--paper); border: 1px solid var(--line-2); border-radius: 12px; padding: 13px 15px; color: var(--ink); font-family: var(--f-body); font-size: 15px; transition: border-color .2s, box-shadow .2s, background .2s; }
.field input::placeholder { color: #aab; }
.field input:focus, .field select:focus { outline: none; border-color: var(--accent); background: #fff; box-shadow: 0 0 0 3px rgba(10,147,176,.14); }
.field select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23767981' stroke-width='1.6' fill='none'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 15px center; padding-right: 38px; }
.choices { border: none; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.choice { display: flex; align-items: center; gap: 10px; background: var(--paper); border: 1px solid var(--line-2); border-radius: 12px; padding: 13px 15px; cursor: pointer; font-size: 14.5px; transition: border-color .2s, background .2s; }
.choice:has(input:checked) { border-color: var(--accent); background: var(--accent-soft); }
.choice input { accent-color: var(--accent); width: 17px; height: 17px; }
.consent { display: flex; align-items: center; gap: 10px; font-size: 13.5px; color: var(--ink-soft); }
.consent input { accent-color: var(--accent); width: 17px; height: 17px; }
.form__err { color: #d33; font-size: 13px; }

.thanks { background: var(--card); border: 1px solid var(--accent); border-radius: var(--r); padding: 52px 36px; text-align: center; }
.thanks__ico { display: grid; place-items: center; width: 60px; height: 60px; margin: 0 auto 18px; border-radius: 50%; background: var(--accent); color: #fff; font-size: 30px; font-weight: 700; }
.thanks h3 { font-size: 24px; margin-bottom: 12px; }
.thanks p { color: var(--ink-soft); }

/* ---- Footer ---- */
.ft { background: var(--ink); color: #C9CCD2; padding: 64px 0 36px; scroll-margin-top: 80px; }
.ft__in { display: grid; grid-template-columns: 1fr 1.15fr; gap: 56px; align-items: start; }
.brand--ft { color: #fff; font-size: 20px; }
.brand--ft .brand__mark { background: var(--accent); }
.ft__tag { color: #9AA0A8; font-size: 14px; margin: 14px 0 20px; }
.ft__links { display: flex; flex-direction: column; gap: 10px; }
.ft__links a { color: #C9CCD2; font-size: 14px; width: fit-content; }
.ft__links a:hover { color: var(--accent); }
.ft__company-ttl { color: #8A8E96; font-size: 12px; font-weight: 700; letter-spacing: .08em; margin-bottom: 14px; }
.ft__dl { display: grid; grid-template-columns: auto 1fr; gap: 10px 22px; font-size: 13.5px; }
.ft__dl dt { color: #8A8E96; white-space: nowrap; }
.ft__dl dd { color: #DDE0E5; line-height: 1.65; }
.ft__bottom { margin-top: 44px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.1); display: flex; flex-direction: column; gap: 8px; }
.ft__small { font-size: 12px; color: #8A8E96; max-width: 52em; line-height: 1.7; }
.ft__copy { font-size: 12px; color: #8A8E96; }

/* ---- Sticky mobile CTA ---- */
.sticky-cta { display: none; position: fixed; left: 16px; right: 16px; bottom: 16px; z-index: 60; text-align: center; padding: 16px; border-radius: 999px; background: var(--accent); color: #fff; font-family: var(--f-jp); font-weight: 700; box-shadow: 0 14px 30px -10px rgba(10,147,176,.6); }

/* ---- Reveal ---- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

/* ---- Responsive ---- */
@media (max-width: 980px) {
  .hero__in { grid-template-columns: 1fr; gap: 44px; }
  .hero__media { order: -1; }
  .feature__in { grid-template-columns: 1fr; gap: 40px; }
  .feature__media { order: -1; }
  .uc__row, .uc__row--rev { grid-template-columns: 1fr; gap: 32px; }
  .uc__row--rev .uc__media { order: -1; }
  .uc__media { order: -1; }
  .uc__row + .uc__row { margin-top: 72px; }
}
@media (max-width: 640px) {
  .only-sp { display: inline; }
  .hdr__nav { display: none; }
  .sec { padding: 80px 0; }
  .hero { padding: 48px 0 64px; }
  /* サイクル → モバイルは縦並びに展開 */
  .cycle { aspect-ratio: auto; max-width: 440px; }
  .cycle__ring { display: none; }
  .cycle__hub { position: static; transform: none; width: 100%; aspect-ratio: auto; border-radius: 16px; display: flex; align-items: center; justify-content: center; gap: 14px; padding: 16px 20px; margin-bottom: 16px; }
  .cycle__hub br { display: none; }
  .cycle__hub b { font-size: 17px; }
  .cycle__hub small { font-size: 12px; }
  .cycle__nodes { position: static; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
  .cycle__node { position: static; left: auto; top: auto; transform: none; width: auto; }
  .cycle__node:hover { transform: scale(1.04); }
  .why__grid { grid-template-columns: 1fr; gap: 16px; max-width: 420px; margin: 0 auto; }
  .ft__in { grid-template-columns: 1fr; gap: 32px; }
  .form { padding: 24px; }
  .form__row, .choices { grid-template-columns: 1fr; }
  .sticky-cta { display: block; }
  body { padding-bottom: 84px; }
  .hero__cta { gap: 18px; }
  .hero__cta .btn { width: 100%; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}