@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;500;600&family=Noto+Sans+JP:wght@300;400;500;700&display=swap');

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: #ffffff;
  color: #111111;
  font-family: "Noto Sans JP", "Montserrat", sans-serif;
  font-weight: 300;
  line-height: 1.9;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: inherit; }

/* ---------- HERO ---------- */
.mrk-hero {
  max-width: 900px;
  margin: 0 auto;
  padding: min(14vw, 140px) 24px min(9vw, 90px);
  text-align: center;
}
.mrk-logo {
  width: 220px;
  max-width: 52vw;
  height: auto;
  margin: 0 auto 72px;
  display: block;
}
.mrk-logo-color {
  width: 200px;
  max-width: 48vw;
  height: auto;
  margin: 0 auto 56px;
  display: block;
}
.mrk-catch {
  font-family: "Montserrat", "Noto Sans JP", sans-serif;
  font-weight: 500;
  font-size: clamp(22px, 3.4vw, 34px);
  letter-spacing: .08em;
  margin: 0;
}

.mrk-sparkle {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 18px;
  margin: 56px auto 0;
}
.mrk-sparkle span {
  display: block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  opacity: .85;
}
.mrk-sparkle span:nth-child(1) { background: #F0603E; }
.mrk-sparkle span:nth-child(2) { background: #F4C542; width: 9px; height: 9px; }
.mrk-sparkle span:nth-child(3) { background: #5FC2BE; }
.mrk-sparkle span:nth-child(4) { background: #8DC63F; width: 5px; height: 5px; }

/* ---------- CONCEPT / MESSAGE TEXT ---------- */
.mrk-concept {
  max-width: 560px;
  margin: 0 auto;
  padding: min(11vw, 110px) 24px;
  text-align: center;
  font-size: 15px;
  letter-spacing: .03em;
}
.mrk-concept p { margin: 0 0 1.9em; }
.mrk-concept p:last-child { margin-bottom: 0; }

/* ---------- SECTION LABEL ---------- */
.mrk-eyebrow {
  font-family: "Montserrat", sans-serif;
  font-weight: 500;
  font-size: 12px;
  letter-spacing: .32em;
  text-align: center;
  margin: 0 0 min(9vw, 80px);
}

/* ---------- BUSINESS LIST ---------- */
.mrk-business {
  max-width: 680px;
  margin: 0 auto;
  padding: min(13vw, 130px) 24px;
}
.mrk-business-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.mrk-business-item {
  border-top: 1px solid #eaeaea;
  padding: 44px 0;
  text-align: center;
}
.mrk-business-list .mrk-business-item:last-child {
  border-bottom: 1px solid #eaeaea;
}
.mrk-business-name {
  font-family: "Montserrat", "Noto Sans JP", sans-serif;
  font-weight: 500;
  font-size: 16px;
  letter-spacing: .04em;
  margin: 0 0 14px;
}
.mrk-business-desc {
  font-size: 13.5px;
  color: #5b5b5b;
  max-width: 420px;
  margin: 0 auto 20px;
  line-height: 1.95;
}
.mrk-business-link {
  display: inline-block;
  font-family: "Montserrat", sans-serif;
  font-size: 11px;
  letter-spacing: .18em;
  color: #111111;
  text-decoration: none;
  border-bottom: 1px solid #111111;
  padding-bottom: 4px;
  transition: opacity .25s ease;
}
.mrk-business-link:hover { opacity: .5; }

/* ---------- COMPANY INFO ---------- */
.mrk-company {
  max-width: 420px;
  margin: 0 auto;
  padding: min(12vw, 120px) 24px min(16vw, 160px);
  text-align: center;
}
.mrk-company-row {
  display: flex;
  justify-content: center;
  gap: 28px;
  padding: 18px 0;
  border-top: 1px solid #eaeaea;
  font-size: 13px;
}
.mrk-company-row:last-child { border-bottom: 1px solid #eaeaea; }
.mrk-company-label {
  font-family: "Montserrat", sans-serif;
  letter-spacing: .12em;
  color: #8a8a8a;
  width: 90px;
  text-align: left;
  flex-shrink: 0;
}
.mrk-company-value { text-align: left; }

/* ---------- THANKS PAGE ---------- */
.mrk-thanks-msg {
  max-width: 480px;
  margin: 0 auto;
  padding: 0 24px min(9vw, 90px);
  text-align: center;
  font-size: 14.5px;
  letter-spacing: .03em;
}
.mrk-thanks-msg p { margin: 0 0 1.6em; }
.mrk-thanks-msg p:last-child { margin-bottom: 0; }

/* ---------- CONTACT PAGE ---------- */
.mrk-contact-intro {
  max-width: 520px;
  margin: 0 auto;
  padding: 0 24px min(10vw, 100px);
  text-align: center;
  font-size: 14.5px;
  letter-spacing: .03em;
}
.mrk-contact-intro p { margin: 0 0 1.6em; }

.mrk-contact-list {
  max-width: 460px;
  margin: 0 auto;
  padding: min(4vw, 40px) 24px min(4vw, 40px);
}
.mrk-contact-item {
  border-top: 1px solid #eaeaea;
  padding: 30px 0;
  text-align: center;
}
.mrk-contact-list .mrk-contact-item:last-child {
  border-bottom: 1px solid #eaeaea;
}
.mrk-contact-name {
  font-family: "Montserrat", "Noto Sans JP", sans-serif;
  font-weight: 500;
  font-size: 15px;
  letter-spacing: .03em;
  margin: 0 0 10px;
}
.mrk-contact-email {
  font-size: 13px;
  color: #444444;
  text-decoration: none;
  letter-spacing: .02em;
}
.mrk-contact-email:hover { opacity: .6; }

.mrk-phone-block {
  max-width: 460px;
  margin: 0 auto;
  padding: min(10vw, 100px) 24px;
  text-align: center;
}
.mrk-phone-number {
  font-family: "Montserrat", sans-serif;
  font-size: 22px;
  letter-spacing: .06em;
  margin: 16px 0;
}
.mrk-phone-note {
  font-size: 13px;
  color: #5b5b5b;
  margin: 0 0 1.6em;
}

.mrk-closing {
  max-width: 480px;
  margin: 0 auto;
  padding: 0 24px min(14vw, 140px);
  text-align: center;
  font-size: 14px;
  color: #444444;
}
.mrk-closing p { margin: 0 0 1.6em; }

/* ---------- BACK LINK ---------- */
.mrk-back {
  text-align: center;
  padding: 0 24px min(16vw, 160px);
}
.mrk-back a {
  display: inline-block;
  font-family: "Montserrat", sans-serif;
  font-size: 11px;
  letter-spacing: .18em;
  text-decoration: none;
  border-bottom: 1px solid #111111;
  padding-bottom: 4px;
}
.mrk-back a:hover { opacity: .5; }