:root {
  --ai: #1f2f4a;       /* 藍 */
  --ai-2: #2c4268;
  --ki: #f2b632;       /* 付箋の黄 */
  --ki-soft: #fdf3d6;
  --usu: #eef1f6;
  --sumi: #1d2430;
  --nezumi: #566070;
}
* { box-sizing: border-box; }
body { margin: 0; background: #fff; color: var(--sumi); font-family: "BIZ UDPGothic", sans-serif; font-size: 16px; line-height: 1.8; }
a { color: inherit; }
a:focus-visible { outline: 3px solid var(--ki); outline-offset: 3px; }
img { max-width: 100%; display: block; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 16px; }
h1, h2, h3, .logo { font-family: "Murecho", sans-serif; }

header { background: var(--ai); color: #fff; }
header .wrap { display: flex; align-items: center; justify-content: space-between; height: 60px; gap: 12px; }
.logo { font-weight: 900; font-size: 20px; text-decoration: none; }
nav { display: none; gap: 24px; font-size: 15px; }
nav a { text-decoration: none; }
@media (min-width: 820px) { nav { display: flex; } }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 50px; padding: 0 26px; border-radius: 8px; font-weight: 700; text-decoration: none; }
.btn-line { background: #06c755; color: #fff; }
.btn-sub { background: #fff; color: var(--ai); border: 2px solid var(--ai); }
.btn-small { min-height: 44px; padding: 0 16px; font-size: 14px; }

/* 最初の画面：作戦会議の机 */
.hero { background: var(--ai); color: #fff; padding: 24px 0 56px; }
.hero-grid { display: grid; gap: 28px; align-items: center; }
@media (min-width: 900px) { .hero-grid { grid-template-columns: 1fr 1.15fr; } }
.hero h1 { font-size: clamp(30px, 7vw, 50px); line-height: 1.3; font-weight: 900; margin: 0 0 16px; }
.hero p { color: #d6dcea; margin: 0 0 26px; max-width: 30em; }
.chips { list-style: none; margin: 0 0 18px; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.chips li { background: var(--ki); color: var(--sumi); font-weight: 700; font-size: 14px; padding: 4px 12px; border-radius: 4px; }
.hero .note { font-size: 13px; color: #aab4c8; margin-top: 10px; }
.hero-img { aspect-ratio: 16 / 10; background: var(--ai-2); border-radius: 14px; overflow: hidden; border: 4px solid var(--ki); }
.hero-img img { width: 100%; height: 100%; object-fit: cover; }
.sticky { position: relative; display: inline-block; background: var(--ki); color: var(--sumi); font-weight: 700; padding: 6px 14px; transform: rotate(-2deg); margin-bottom: 14px; box-shadow: 0 2px 0 rgba(0,0,0,.25); }

section { padding: 72px 0; }
.bg-usu { background: var(--usu); }
h2 { font-size: clamp(24px, 5.4vw, 36px); line-height: 1.4; color: var(--ai); margin: 0 0 12px; font-weight: 900; }
.lead { color: var(--nezumi); margin: 0 0 32px; max-width: 36em; }

/* 主役：公式LINE */
.feature { display: grid; gap: 28px; }
@media (min-width: 860px) { .feature { grid-template-columns: 1fr 1fr; align-items: start; } }
.memo-list { display: grid; gap: 12px; margin: 0 0 24px; padding: 0; list-style: none; }
.memo-list li { background: var(--ki-soft); border-left: 6px solid var(--ki); padding: 12px 16px; font-weight: 700; }
.answer-list { margin: 0; padding: 0; list-style: none; display: grid; gap: 14px; }
.answer-list li { background: #fff; border: 1px solid #d5dbe6; border-radius: 10px; padding: 16px 18px; }
.answer-list b { display: block; color: var(--ai); }
.answer-list span { color: var(--nezumi); font-size: 15px; }
.feature-cta { margin-top: 22px; display: flex; flex-wrap: wrap; gap: 12px; }

/* AIのチーム：組織図 */
.org { display: grid; justify-items: center; gap: 0; }
.boss { background: var(--ai); color: #fff; border-radius: 14px; padding: 16px 22px; text-align: center; max-width: 340px; }
.boss b { display: block; font-family: "Murecho", sans-serif; font-size: 22px; color: var(--ki); }
.boss span { font-size: 14px; color: #d6dcea; }
.line-v { width: 3px; height: 28px; background: var(--ai); }
.members { width: 100%; display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); border-top: 3px solid var(--ai); padding-top: 20px; }
.member { background: #fff; border: 2px solid var(--ai); border-radius: 12px; padding: 14px; }
.member b { display: block; color: var(--ai); }
.member span { font-size: 14px; color: var(--nezumi); }
.human { margin-top: 24px; width: 100%; background: var(--ki-soft); border: 2px dashed var(--ki); border-radius: 12px; padding: 16px 18px; }
.human b { color: var(--ai); }

ol.steps { list-style: none; margin: 40px 0 0; padding: 0; display: grid; gap: 12px; counter-reset: s; }
@media (min-width: 860px) { ol.steps { grid-template-columns: repeat(5, 1fr); } }
ol.steps li { counter-increment: s; background: #fff; border-radius: 10px; padding: 14px; border-top: 5px solid var(--ai); }
ol.steps li::before { content: counter(s); font-family: "Murecho", sans-serif; font-weight: 900; font-size: 24px; color: var(--ki); display: block; line-height: 1; margin-bottom: 6px; }
ol.steps b { display: block; color: var(--ai); }
ol.steps span { font-size: 14px; color: var(--nezumi); }

/* ほかのサービス */
.svc { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.svc a { display: block; text-decoration: none; background: #fff; border: 1px solid #d5dbe6; border-radius: 12px; padding: 20px; }
.svc a:hover { border-color: var(--ai); }
.svc .q { font-weight: 700; color: var(--nezumi); font-size: 15px; margin: 0 0 6px; }
.svc h3 { margin: 0 0 6px; color: var(--ai); font-size: 20px; }
.svc p { margin: 0 0 10px; font-size: 15px; }
.svc .more { color: var(--ai); font-weight: 700; font-size: 14px; text-decoration: underline; }

.works { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); }
.works div { background: #fff; border-radius: 12px; padding: 18px; border: 1px solid #d5dbe6; }
.works small { color: var(--nezumi); }
.works h3 { margin: 2px 0 6px; font-size: 18px; color: var(--ai); }
.works p { margin: 0; font-size: 15px; color: var(--nezumi); }

.promise { background: var(--ki); }
.promise h2 { color: var(--sumi); }
.promise p { margin: 0; max-width: 38em; font-size: 17px; }

.final { background: var(--ai); color: #fff; text-align: center; }
.final h2 { color: #fff; }
.final p { color: #d6dcea; margin: 0 0 24px; }
footer { text-align: center; font-size: 13px; color: var(--nezumi); padding: 26px 0; }
@media (max-width: 520px) { .hero .btn, .final .btn, .feature-cta .btn { width: 100%; } }
.nb { display: inline-block; }

/* ---- サービスのページ ---- */
.page-hero { background: var(--ai); color: #fff; padding: 20px 0 48px; }
.crumb { font-size: 13px; color: #aab4c8; margin: 0 0 14px; }
.crumb a { color: #d6dcea; }
.page-hero h1 { font-size: clamp(28px, 6.4vw, 44px); line-height: 1.3; font-weight: 900; margin: 0 0 14px; }
.page-hero p { color: #d6dcea; margin: 0 0 22px; max-width: 30em; }
.page-hero .crumb { margin: 0 0 14px; }
.can { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.can div { background: #fff; border: 1px solid #d5dbe6; border-radius: 12px; padding: 18px; }
.can b { display: block; color: var(--ai); font-size: 17px; margin-bottom: 4px; }
.can span { color: var(--nezumi); font-size: 15px; }
.team-mini { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.team-mini li { display: grid; grid-template-columns: 9em 1fr; gap: 12px; align-items: start; background: #fff; border-radius: 10px; padding: 12px 14px; border-left: 6px solid var(--ai); }
.team-mini li.boss-row, .team-mini li.human-row { border-left-color: var(--ki); }
.team-mini li.human-row { background: var(--ki-soft); }
.team-mini b { color: var(--ai); }
@media (max-width: 520px) { .team-mini li { grid-template-columns: 1fr; gap: 0; } }
.plans { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); }
.plans div { background: #fff; border: 1px solid #d5dbe6; border-top: 6px solid var(--ai); border-radius: 10px; padding: 18px; }
.plans h3 { margin: 0 0 6px; color: var(--ai); font-size: 18px; }
.plans p { margin: 0; font-size: 15px; color: var(--nezumi); }
.price-tbd { margin-top: 18px; border: 2px dashed var(--ki); background: var(--ki-soft); border-radius: 10px; padding: 14px 18px; font-weight: 700; }
.cant { background: #fff; border-radius: 12px; padding: 18px 20px; border: 1px solid #d5dbe6; }
.cant ul { margin: 8px 0 0; padding-left: 1.2em; color: var(--nezumi); }
.reply { font-size: 14px; color: #d6dcea; margin: 14px auto 0; max-width: 32em; }
.back { display: inline-block; font-weight: 700; color: var(--ai); }
.section-tight { padding: 32px 0; }