/* =========================================================
   合同会社アールスリー  style.css
   ========================================================= */

:root {
  --ink: #1b2124;
  --text: #333b40;
  --sub: #4a5358;
  --muted: #5f696e;
  --line: #e3e7e9;
  --bg-gray: #f4f6f7;

  --corp: #0073bd;
  --corp-dark: #00548a;

  --care: #ea608e;
  --care-light: #f19db5;
  --care-deep: #a8335a;
  --care-tint: #fde8ef;
  --care-bg: #fdf1f5;

  --creative: #389bb2;
  --creative-deep: #1d6475;
  --creative-tint: #e3f2f6;
  --creative-bg: #eef7f9;
  --creative-line: #d6e6eb;

  --font-ja: 'Zen Kaku Gothic New', 'Hiragino Kaku Gothic ProN', 'Yu Gothic', sans-serif;
  --font-en: 'Outfit', var(--font-ja);
  --container: 1240px;
}

*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 88px; }

body {
  margin: 0;
  font-family: var(--font-ja);
  color: var(--ink);
  background: #ffffff;
  line-height: 1.8;
  letter-spacing: 0.04em;
  -webkit-text-size-adjust: 100%;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--corp); }
a:hover { color: var(--corp-dark); }

.container { max-width: var(--container); margin: 0 auto; padding-left: 24px; padding-right: 24px; }

.eyebrow {
  margin: 0;
  font-family: var(--font-en);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.2em;
  color: var(--corp);
}
.eyebrow--care { color: var(--care-deep); font-weight: 700; letter-spacing: 0.24em; }
.eyebrow--creative { color: var(--creative-deep); font-weight: 700; letter-spacing: 0.24em; }
.eyebrow--light { color: #b9c4c9; }

.visually-hidden {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(8px);
}
.site-header__inner {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding-top: 18px; padding-bottom: 18px;
}
.site-header__logo img { height: 34px; width: auto; }

.gnav { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 28px; font-size: 14px; font-weight: 500; }
.gnav a { color: var(--ink); text-decoration: none; padding: 10px 0; }
.gnav a:hover { color: var(--corp); }
.gnav .gnav__cta { color: #ffffff; background: var(--ink); padding: 10px 22px; border-radius: 999px; }
.gnav .gnav__cta:hover { color: #ffffff; background: #000000; }
.gnav__privacy { display: none; }

.menu-toggle {
  display: none;
  width: 48px; height: 48px; padding: 0;
  border: 0; border-radius: 12px;
  background: var(--bg-gray); color: var(--ink);
  align-items: center; justify-content: center; cursor: pointer;
}
.menu-toggle .icon-close { display: none; }
.menu-toggle[aria-expanded="true"] .icon-open { display: none; }
.menu-toggle[aria-expanded="true"] .icon-close { display: block; }

@media (max-width: 899px) {
  .menu-toggle { display: flex; }
  .gnav {
    display: none;
    position: absolute; left: 0; right: 0; top: 100%;
    flex-direction: column; align-items: stretch; gap: 0;
    padding: 8px 24px 24px;
    background: #ffffff;
    border-bottom: 1px solid var(--line);
    box-shadow: 0 12px 24px rgba(27, 33, 36, 0.12);
  }
  .gnav.is-open { display: flex; }
  .gnav a { padding: 14px 0; border-bottom: 1px solid var(--line); font-size: 16px; font-weight: 700; }
  .gnav__privacy { display: block; }
  .gnav .gnav__cta { order: 10; margin-top: 20px; padding: 14px 22px; text-align: center; border-bottom: 0; font-size: 15px; }
}

/* ---------- Hero ---------- */
.hero-lead {
  display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 24px;
  padding-top: 72px; padding-bottom: 40px;
}
.hero-lead .eyebrow { margin-bottom: 12px; }
.hero-lead h1 {
  margin: 0;
  font-size: clamp(2.2rem, 5vw, 4.2rem);
  font-weight: 900; line-height: 1.3; letter-spacing: 0.06em;
}
.hero-lead__text { margin: 0; max-width: 420px; font-size: 15px; color: var(--sub); }

.split { display: flex; flex-wrap: wrap; }
.split__panel {
  flex: 1 1 340px;
  min-height: 560px;
  padding: 56px 48px;
  color: #ffffff;
  display: flex; flex-direction: column; justify-content: space-between; gap: 40px;
  overflow: hidden;
  transition: flex-grow 0.6s cubic-bezier(.2, .8, .2, 1);
}
.split__panel--care { background: var(--care); }
.split__panel--creative { background: var(--creative); }
@media (hover: hover) and (min-width: 720px) {
  .split__panel:hover { flex-grow: 1.6; }
}
.split__label { margin: 0; font-family: var(--font-en); font-size: 14px; font-weight: 700; letter-spacing: 0.24em; }
.split__title { margin: 16px 0 0; font-size: clamp(2rem, 3.6vw, 3.2rem); font-weight: 900; line-height: 1.3; }
.split__catch { margin: 8px 0 0; font-size: clamp(1.25rem, 2.2vw, 1.625rem); font-weight: 700; line-height: 1.5; }

.split__card {
  max-width: 460px;
  background: #ffffff; color: var(--ink);
  border-radius: 20px; padding: 24px 28px;
  display: flex; flex-direction: column; gap: 16px;
}
.split__card-logo { height: 56px; width: auto; align-self: center; }
.split__card p { margin: 0; font-size: 14px; color: var(--sub); }
.split__more { align-self: flex-start; font-size: 14px; font-weight: 700; text-decoration: none; padding: 8px 0; }
.split__panel--care .split__more { color: var(--care-deep); }
.split__panel--creative .split__more { color: var(--creative-deep); }

.tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; list-style: none; }
.tags li { font-size: 13px; font-weight: 700; border-radius: 999px; padding: 4px 14px; }
.tags--care li { color: var(--care-deep); background: var(--care-tint); }
.tags--creative li { color: var(--creative-deep); background: var(--creative-tint); }

@media (max-width: 599px) {
  .split__panel { min-height: 0; padding: 48px 24px; }
}

/* ---------- About ---------- */
.about { display: flex; flex-wrap: wrap; gap: 48px 80px; padding-top: 120px; padding-bottom: 120px; }
.about__head { flex: 1 1 280px; }
.about__head h2 { margin: 12px 0 0; font-size: 32px; font-weight: 900; line-height: 1.5; }
.about__body { flex: 2 1 480px; font-size: 16px; color: var(--text); display: flex; flex-direction: column; gap: 20px; }
.about__body p { margin: 0; }

/* ---------- Business sections ---------- */
.biz { padding-top: 112px; padding-bottom: 112px; display: flex; flex-direction: column; gap: 48px; }
.biz-wrap--care { background: var(--care-bg); }
.biz__head { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 24px; }
.biz__head h2 { margin: 12px 0 0; font-size: clamp(1.9rem, 3vw, 2.5rem); font-weight: 900; line-height: 1.4; }
.biz__head-sub { margin: 8px 0 0; font-size: 15px; color: var(--sub); }
.biz__logo { height: 96px; width: auto; }

.care-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(300px, 100%), 1fr)); gap: 24px; }
.care-card {
  background: #ffffff; border-radius: 24px; padding: 40px;
  display: flex; flex-direction: column; gap: 16px;
}
.care-card img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; border-radius: 16px; }
.care-card h3 { margin: 8px 0 0; font-size: 24px; font-weight: 900; }
.care-card p { margin: 0; font-size: 15px; color: var(--sub); }
.care-card .care-card__sub { font-size: 13px; font-weight: 700; color: var(--care-deep); }
.care-card__more { color: var(--care-deep); }
.care-card__badge {
  align-self: flex-start; font-size: 13px; font-weight: 700; color: #6b4a55;
  border: 1px dashed #d9a3b5; border-radius: 999px; padding: 6px 16px;
}
@media (max-width: 599px) { .care-card { padding: 24px; } }

.service-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(250px, 100%), 1fr)); gap: 20px; }
.service-card {
  border: 1px solid var(--creative-line); border-radius: 24px; padding: 20px 20px 28px;
  display: flex; flex-direction: column; gap: 12px;
}
.service-card img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; border-radius: 14px; }
.service-card h3 { margin: 4px 0 0; font-size: 20px; font-weight: 900; }
.service-card p { margin: 0; font-size: 14px; color: var(--sub); }

.works {
  background: var(--creative-bg); border-radius: 28px; padding: 48px 40px;
  display: flex; flex-direction: column; gap: 28px;
}
.works__head { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 12px; }
.works__head h3 { margin: 0; font-size: 24px; font-weight: 900; }
.works__head p { margin: 0; font-size: 14px; color: var(--sub); }
.works__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(220px, 100%), 1fr)); gap: 20px; }
.works__grid figure { margin: 0; display: flex; flex-direction: column; gap: 10px; }
.works__grid img { width: 100%; aspect-ratio: 1 / 1; object-fit: cover; border-radius: 16px; }
.works__grid figcaption { font-size: 14px; font-weight: 700; }
.works__note { margin: 0; font-size: 12px; color: var(--sub); }
@media (max-width: 599px) { .works { padding: 32px 20px; } }

/* ---------- Instagram ---------- */
.insta { background: var(--ink); color: #ffffff; }
.insta__inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 32px; padding-top: 72px; padding-bottom: 72px; }
.insta h2 { margin: 10px 0 0; font-size: 28px; font-weight: 900; line-height: 1.5; }
.insta__links { display: flex; flex-wrap: wrap; gap: 12px; }
.insta__links a {
  display: flex; align-items: center; gap: 10px;
  color: var(--ink); background: #ffffff; text-decoration: none;
  font-weight: 700; font-size: 14px; padding: 14px 24px; border-radius: 999px;
}
.insta__links a:hover { background: #e9eef0; color: var(--ink); }

/* ---------- Company ---------- */
.company { display: flex; flex-wrap: wrap; gap: 48px 80px; padding-top: 112px; padding-bottom: 112px; }
.company__head { flex: 1 1 260px; }
.company__head h2 { margin: 12px 0 0; font-size: 32px; font-weight: 900; }
.company__body { flex: 2 1 480px; display: flex; flex-direction: column; gap: 56px; min-width: 0; }
.company__body h3 { margin: 0 0 16px; font-size: 20px; font-weight: 900; }
.info-table { margin: 0; display: grid; grid-template-columns: minmax(96px, 160px) minmax(0, 1fr); font-size: 15px; border-bottom: 1px solid var(--line); }
.info-table dt { padding: 20px 0; border-top: 1px solid var(--line); font-weight: 700; }
.info-table dd { margin: 0; padding: 20px 0 20px 16px; border-top: 1px solid var(--line); }

/* ---------- Contact ---------- */
.contact-wrap { background: var(--bg-gray); }
.contact { padding-top: 112px; padding-bottom: 112px; display: flex; flex-direction: column; gap: 40px; }
.contact__head h2 { margin: 12px 0 0; font-size: 32px; font-weight: 900; }
.contact__head p { margin: 8px 0 0; font-size: 15px; color: var(--sub); }
.contact__cols { display: flex; flex-wrap: wrap; gap: 24px; align-items: flex-start; }
.contact-box {
  background: #ffffff; border-radius: 24px; padding: 40px;
  display: flex; flex-direction: column; gap: 16px;
}
.contact-box h3 { margin: 0; font-size: 20px; font-weight: 900; }
.contact-box--care { flex: 1 1 300px; border-top: 6px solid var(--care); }
.contact-box--care p { margin: 0; font-size: 14px; color: var(--sub); }
.contact-box--creative { flex: 2 1 460px; border-top: 6px solid var(--creative); gap: 20px; }
@media (max-width: 599px) { .contact-box { padding: 28px 20px; } }

.btn {
  display: inline-block; align-self: flex-start;
  font: inherit; font-weight: 700; font-size: 15px;
  color: #ffffff; text-decoration: none;
  border: 0; border-radius: 999px; padding: 14px 32px; cursor: pointer;
}
.btn--care { background: var(--care-deep); }
.btn--care:hover { background: #8c2749; color: #ffffff; }
.btn--creative { background: var(--creative-deep); padding: 14px 40px; }
.btn--creative:hover { background: #134a57; color: #ffffff; }

.form-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(220px, 100%), 1fr)); gap: 20px; }
.field { display: flex; flex-direction: column; gap: 6px; font-size: 14px; font-weight: 700; }
.field input,
.field select,
.field textarea {
  font: inherit; font-weight: 400; font-size: 16px;
  padding: 12px 14px; border: 1px solid #c9d2d6; border-radius: 10px;
  background: #ffffff; color: var(--ink); width: 100%;
}
.field textarea { resize: vertical; min-height: 160px; }
.field input:focus,
.field select:focus,
.field textarea:focus { outline: 2px solid var(--creative); outline-offset: 1px; border-color: var(--creative); }
.req { color: var(--care-deep); font-size: 12px; margin-left: 4px; }
.agree { display: flex; align-items: center; gap: 10px; font-size: 14px; }
.agree input { width: 20px; height: 20px; flex: none; }
.hp-field { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.noscript-note { margin: 0; font-size: 13px; color: var(--care-deep); }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--line); }
.site-footer__inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 24px; padding-top: 48px; padding-bottom: 32px; }
.site-footer__logo { height: 28px; width: auto; }
.fnav { display: flex; flex-wrap: wrap; gap: 4px 24px; font-size: 13px; }
.fnav a { color: var(--sub); text-decoration: none; padding: 8px 0; }
.fnav a:hover { color: var(--corp); }
.copyright { margin: 0; padding: 0 24px 32px; text-align: center; font-size: 12px; color: var(--muted); }

/* ---------- Sub pages (privacy / thanks) ---------- */
.page-head { background: var(--bg-gray); }
.page-head__inner { max-width: 880px; padding-top: 72px; padding-bottom: 56px; }
.page-head h1 { margin: 12px 0 0; font-size: clamp(1.8rem, 4vw, 2.6rem); font-weight: 900; line-height: 1.4; }
.page-head p { margin: 8px 0 0; font-size: 15px; color: var(--sub); }

.policy {
  max-width: 880px; padding-top: 64px; padding-bottom: 112px;
  font-size: 15px; color: var(--text); line-height: 1.9;
  display: flex; flex-direction: column; gap: 44px;
}
.policy p { margin: 0; }
.policy section { display: flex; flex-direction: column; gap: 12px; }
.policy h2 { margin: 0; font-size: 20px; font-weight: 900; color: var(--ink); padding-bottom: 10px; border-bottom: 2px solid var(--corp); }
.policy h3 { margin: 8px 0 0; font-size: 16px; font-weight: 900; color: var(--ink); }
.policy ul { margin: 0; padding-left: 1.4em; display: flex; flex-direction: column; gap: 6px; }
.policy__box { background: var(--bg-gray); border-radius: 16px; padding: 24px 28px; display: flex; flex-direction: column; gap: 4px; }
.policy__box strong { color: var(--ink); }
.policy__date { text-align: right; color: var(--sub); }

.message-page { max-width: 720px; padding-top: 80px; padding-bottom: 120px; display: flex; flex-direction: column; gap: 24px; }
.message-page p { margin: 0; font-size: 15px; color: var(--text); }
.message-page ul { margin: 0; padding-left: 1.4em; color: var(--care-deep); }