:root {
  --paper: #FFFFFF;
  --ink: #2B2F36;
  --red: #DD6552;
  --blue: #3D83C2;
  --yellow: #EBD866;
  --lilac: #D5BAD6;
}
* { box-sizing: border-box; }
html { color: var(--ink); background: var(--paper); }
body { margin: 0; padding-bottom: calc(84px + env(safe-area-inset-bottom)); font-family: "Zen Kaku Gothic New", sans-serif; font-size: 16px; line-height: 1.8; }
h1, h2, h3, p { margin: 0; }
a { color: inherit; text-underline-offset: .25em; }
a:focus-visible { outline: 3px solid var(--ink); outline-offset: 5px; }
img { display: block; max-width: 100%; height: auto; }
svg { pointer-events: none; }
.wrap { width: min(100% - 40px, 1080px); margin-inline: auto; }
.notice { padding-top: 16px; }
.notice-inner { position: relative; overflow: hidden; isolation: isolate; padding: 18px 20px 20px; border: 3px solid var(--red); border-radius: 4px; font-size: 14px; line-height: 1.8; }
.notice-label { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; font-size: 13px; font-weight: 700; color: #B8432F; }
.notice-label::before { content: ""; width: 12px; height: 12px; border-radius: 50%; background: var(--red); }
.notice-title { font-size: 23px; font-weight: 900; line-height: 1.45; letter-spacing: -.02em; margin-bottom: 10px; }
.notice-art { position: absolute; z-index: -1; width: 120px; right: -46px; bottom: -52px; }
.hero { position: relative; overflow: hidden; isolation: isolate; }
.hero-inner { padding-block: 30px 86px; }
.brand { display: flex; align-items: center; gap: 13px; }
.brand img { width: 53px; }
.brand-name { font-family: "Outfit", sans-serif; font-size: 23px; font-weight: 500; line-height: 1.2; letter-spacing: .01em; }
.brand-ja { font-size: 12px; font-weight: 700; margin-top: 4px; letter-spacing: .09em; }
h1 { position: relative; margin-top: 64px; font-size: clamp(43px, 12.2vw, 74px); font-weight: 900; line-height: 1.28; letter-spacing: -.045em; }
.hero-art { position: absolute; z-index: -1; width: 280px; height: 290px; right: -150px; top: 84px; }
h2 { font-size: 29px; font-weight: 900; line-height: 1.4; letter-spacing: -.035em; }
.contact { position: relative; isolation: isolate; overflow: hidden; padding-block: 38px 50px; border-block: 1px solid var(--ink); }
.contact-art { position: absolute; z-index: -1; width: 240px; left: -125px; top: -135px; }
.contact h2 { margin-bottom: 25px; }
.contact-links { display: grid; gap: 12px; }
.button { display: flex; align-items: center; justify-content: space-between; gap: 12px; border: 1px solid var(--ink); border-radius: 4px; text-decoration: none; font-weight: 700; }
.button:hover { box-shadow: 3px 3px 0 var(--ink); }
.arrow { font-family: sans-serif; font-size: 25px; font-weight: 400; }
.line-button { min-height: 86px; padding: 20px; background: var(--yellow); font-size: 18px; box-shadow: 3px 3px 0 var(--ink); }
.phone-button, .mail-button { padding: 15px 18px; background: var(--paper); display: grid; grid-template-columns: 1fr auto; column-gap: 8px; }
.contact-label { font-size: 12px; line-height: 1.4; }
.phone-number { font-family: "Outfit", sans-serif; font-size: clamp(29px, 8.5vw, 39px); line-height: 1.3; font-weight: 500; grid-column: 1; white-space: nowrap; }
.phone-button .arrow, .mail-button .arrow { grid-column: 2; grid-row: 1 / 3; }
.mail-address { font-family: "Outfit", sans-serif; font-size: 23px; font-weight: 400; grid-column: 1; }
.courses { padding-block: 61px 65px; }
.courses h2 { margin-bottom: 25px; }
.course-list { padding: 0; margin: 0; list-style: none; border-top: 1px solid var(--ink); }
.course-list li { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding-block: 24px; border-bottom: 1px solid var(--ink); }
.course-list h3 { font-size: 17px; font-weight: 700; line-height: 1.6; }
.course-detail { display: block; font-size: 11px; font-weight: 500; }
.course-button { flex-shrink: 0; min-height: 48px; padding: 10px 12px; gap: 10px; font-size: 12px; background: var(--paper); }
.course-button span, .rental-button span { font-family: sans-serif; font-size: 20px; font-weight: 400; }
.course-list li:first-child .course-button { background: var(--yellow); }
.course-button:hover { background: var(--yellow); }
.rental { position: relative; isolation: isolate; overflow: hidden; }
.rental-inner { padding-block: 10px 170px; }
.nb { display: inline-block; }
.rental p { max-width: 27em; margin-block: 20px 25px; font-size: 15px; }
.rental-button { position: relative; width: fit-content; min-height: 58px; padding: 13px 20px; background: var(--lilac); font-size: 15px; box-shadow: 3px 3px 0 var(--ink); }
.rental-art { position: absolute; z-index: -1; width: 300px; height: 240px; right: -120px; bottom: -70px; }
.footer { border-top: 1px solid var(--ink); display: grid; grid-template-columns: 42px 1fr; gap: 20px 14px; padding-block: 35px 28px; }
.footer img { width: 42px; }
.footer-details { font-size: 12px; }
.footer-details p { font-weight: 700; }
address { font-style: normal; margin-top: 12px; }
address a { display: inline-block; padding-block: 5px; }
.footer small { grid-column: 2; font-family: "Outfit", sans-serif; font-size: 12px; }
.mobile-contact { position: fixed; z-index: 10; bottom: 0; left: 0; right: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 10px; border-top: 1px solid var(--ink); padding: 10px 20px calc(10px + env(safe-area-inset-bottom)); background: var(--paper); }
.mobile-contact a { display: flex; align-items: center; justify-content: space-between; min-height: 52px; padding: 10px 18px; border: 1px solid var(--ink); border-radius: 4px; background: var(--yellow); font-weight: 900; text-decoration: none; }
.mobile-contact a:last-child { background: var(--lilac); }
.tel-num { font-family: "Outfit", sans-serif; font-size: 13px; font-weight: 500; }
@media (min-width: 760px) {
  body { padding-bottom: 0; }
  .wrap { width: min(100% - 96px, 1080px); }
  .notice { padding-top: 24px; }
  .notice-inner { display: grid; grid-template-columns: auto 1fr; grid-template-rows: auto auto; column-gap: 40px; align-items: end; padding: 26px 150px 28px 34px; }
  .notice-label { grid-column: 1 / -1; }
  .notice-title { margin: 0; font-size: 34px; white-space: nowrap; }
  .notice-inner > p:last-of-type { max-width: 30em; font-size: 15px; }
  .notice-art { width: 200px; right: -60px; bottom: -90px; }
  .hero-inner { padding-block: 45px 85px; }
  .brand img { width: 64px; }
  .brand-name { font-size: 30px; }
  .brand-ja { font-size: 13px; }
  h1 { font-size: clamp(60px, 7.3vw, 94px); margin-top: 78px; }
  .hero-art { width: 560px; height: 578px; top: -28px; right: -170px; }
  h2 { font-size: 36px; }
  .contact { padding-block: 58px 65px; }
  .contact-inner { display: grid; grid-template-columns: 1fr 1.8fr; gap: 30px; }
  .contact h2 { margin-top: 10px; }
  .contact-art { width: 380px; left: -180px; top: 30px; }
  .line-button { min-height: 102px; font-size: 24px; padding-inline: 28px; }
  .phone-button, .mail-button { padding: 18px 26px; }
  .phone-number { font-size: 43px; }
  .mail-address { font-size: 28px; }
  .courses { padding-block: 86px 100px; display: grid; grid-template-columns: 1fr 1.8fr; gap: 30px; }
  .course-list li { padding-block: 25px; }
  .course-list h3 { font-size: 21px; }
  .course-detail { font-size: 13px; }
  .course-button { font-size: 14px; padding-inline: 18px; }
  .rental-inner { padding-block: 20px 90px; }
  .rental p { font-size: 16px; }
  .rental-art { width: 480px; height: 384px; right: -155px; bottom: -65px; }
  .footer { grid-template-columns: 60px 1fr auto; gap: 25px; padding-block: 45px; align-items: center; }
  .footer img { width: 60px; }
  .footer-details { font-size: 13px; }
  .footer small { grid-column: 3; align-self: end; }
  .mobile-contact { display: none; }
}
@media (min-width: 1100px) {
  .hero-art { right: calc((100vw - 1280px) / 2 - 75px); width: 610px; height: 630px; }
  .rental-art { right: calc((100vw - 1280px) / 2 - 45px); }
}