/* ヤードゥの紹介サイト（yaadu.jp に置く予定）。色は本体の画面とそろえる */
:root { --primary: #0e6a86; --primary-dark: #0a4f64; --soft: #e3f1f5; --text: #1f2933; --muted: #5f6b76; --line: #d9e1e7; --bg: #f5f7f9; --accent: #c2410c; --accent-soft: #fff1e8; }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 70px; }
body { margin: 0; font-family: "Hiragino Sans", "Yu Gothic UI", "Yu Gothic", "Meiryo", sans-serif; color: var(--text); background: #fff; line-height: 1.8; font-size: 16px; }
a { color: var(--primary); }
img { max-width: 100%; height: auto; display: block; }
.inner { max-width: 1120px; margin: 0 auto; padding: 0 16px; }
.inner.narrow { max-width: 720px; }
section { padding: 56px 0; }
section:nth-of-type(even) { background: var(--bg); }
h1 { font-size: clamp(1.6rem, 4.2vw, 2.4rem); line-height: 1.45; margin: .3em 0 .6em; }
h2 { font-size: clamp(1.3rem, 3vw, 1.75rem); margin: 0 0 24px; }
h3 { font-size: 1.05rem; margin: 0 0 6px; color: var(--primary-dark); }
.top { position: sticky; top: 0; z-index: 10; background: rgba(255,255,255,.96); border-bottom: 1px solid var(--line); }
.top .inner { display: flex; align-items: center; gap: 16px; height: 60px; }
.logo { font-weight: 800; font-size: 1.25rem; color: var(--primary); text-decoration: none; margin: 0; display: inline-flex; align-items: center; gap: 8px; }
.logo img { width: 30px; height: 30px; display: inline-block; }
.links { margin-left: auto; display: flex; align-items: center; gap: 18px; font-size: .92rem; }
.links a:not(.btn) { color: var(--text); text-decoration: none; }
.btn { display: inline-block; background: var(--primary); color: #fff; text-decoration: none; font-weight: 700; padding: 12px 22px; border-radius: 10px; border: 2px solid var(--primary); font-size: 1rem; cursor: pointer; }
.btn:hover { background: var(--primary-dark); border-color: var(--primary-dark); }
.btn.ghost { background: #fff; color: var(--primary); }
.btn.small { padding: 6px 14px; font-size: .9rem; color: #fff; }
.btn[disabled] { opacity: .5; cursor: not-allowed; }
.hero { background: linear-gradient(180deg, var(--soft), #fff); padding-top: 48px; }
.hero-grid { display: grid; gap: 32px; align-items: center; }
.eyebrow { color: var(--primary); font-weight: 700; margin: 0; font-size: .95rem; }
.lead { font-size: 1.05rem; color: #34414d; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; margin: 20px 0 8px; }
.note { color: var(--muted); font-size: .85rem; }
.shot { margin: 0; background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 6px; box-shadow: 0 6px 24px rgba(15, 50, 70, .08); }
.shot img { border-radius: 8px; }
.shot figcaption { text-align: center; font-size: .9rem; color: var(--muted); padding: 6px 0 2px; }
.checks { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.checks li { position: relative; padding: 12px 14px 12px 44px; background: #fff; border: 1px solid var(--line); border-radius: 10px; }
.checks li::before { content: "✓"; position: absolute; left: 16px; top: 11px; color: var(--primary); font-weight: 800; }
.cards { display: grid; gap: 16px; }
.card { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 18px 18px 14px; }
.card p { margin: 0; color: #34414d; font-size: .95rem; }
.intro { margin: -12px 0 24px; color: #34414d; }
.walk { list-style: none; padding: 0; margin: 0; display: grid; gap: 28px; }
.walk li { display: grid; gap: 14px; align-items: center; }
.walk p { margin: 0; color: #34414d; }
.walk .phone { max-width: 240px; justify-self: center; }
.tax { background: var(--accent-soft) !important; }
.tax h2 { color: var(--accent); }
.steps { list-style: none; counter-reset: s; padding: 0; margin: 0; display: grid; gap: 14px; }
.steps li { counter-increment: s; position: relative; background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 16px 16px 16px 64px; }
.steps li::before { content: counter(s); position: absolute; left: 16px; top: 14px; width: 34px; height: 34px; border-radius: 50%; background: var(--primary); color: #fff; font-weight: 800; display: grid; place-items: center; }
.steps b { display: block; }
.steps span { color: #34414d; font-size: .95rem; }
.faq details { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 12px 16px; margin-bottom: 10px; }
.faq summary { cursor: pointer; font-weight: 700; }
.faq details p { margin: 8px 0 0; color: #34414d; }
.form { display: grid; gap: 14px; }
.form label { display: grid; gap: 4px; font-weight: 700; font-size: .95rem; }
.form input, .form select, .form textarea { font: inherit; font-weight: 400; font-size: 16px; padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px; width: 100%; }
.form .agree { display: flex; align-items: center; gap: 8px; font-weight: 400; }
.form .agree input { width: auto; }
.req { color: var(--accent); font-size: .8rem; }
.foot { background: #1f2933; color: #d5dde3; padding: 32px 0; font-size: .9rem; }
.foot .logo { color: #fff; }
.foot .small { font-size: .8rem; color: #9aa7b2; }
@media (min-width: 760px) {
  .checks { grid-template-columns: 1fr 1fr; }
  .cards.three { grid-template-columns: repeat(3, 1fr); }
  .cards.grid { grid-template-columns: repeat(2, 1fr); }
  .walk li { grid-template-columns: 1.25fr 1fr; gap: 28px; }
  .walk li:nth-child(even) > figure { order: 2; }
  .steps { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1000px) {
  .hero-grid { grid-template-columns: 1fr 1.1fr; }
  .cards.grid { grid-template-columns: repeat(3, 1fr); }
  .steps { grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 759px) {
  .links a:not(.btn) { display: none; }
  section { padding: 40px 0; }
}
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.msg { margin: 0; padding: 12px 14px; border-radius: 8px; background: var(--soft); }
.msg.err { background: var(--accent-soft); color: var(--accent); }
.aside { margin: 18px 0 0; color: var(--muted); font-size: .92rem; }