@charset "UTF-8";

:root {
  --main: #c9497f;

  --main-dark: var(--main);
  --main-tint: #faf4f6;
  --main-line: #ecd7e0;
  --main-pale: #fdf7f9;
  --main-dark: color-mix(in srgb, var(--main) 74%, #000);
  --main-tint: color-mix(in srgb, var(--main)  7%, #fff);
  --main-line: color-mix(in srgb, var(--main) 22%, #fff);
  --main-pale: color-mix(in srgb, var(--main)  4%, #fff);

  --accent:   #4bb7d8;    --spark-y:  #f2c14b;    --text:     #493b42;    --text-sub: #7d7076;
  --bg:       #fdfafb;    --bg-tint:  #f6eff2;

  --container: 1000px;

  --washi:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)' opacity='0.22'/%3E%3C/svg%3E"),
    repeating-linear-gradient(96deg, rgba(120,90,100,.028) 0 1px, transparent 1px 7px),
    repeating-linear-gradient(4deg,  rgba(120,90,100,.02)  0 1px, transparent 1px 11px);
  --serif: YakuHanMP, "Zen Old Mincho", "Hiragino Mincho ProN", "Yu Mincho", serif;
  --sans:  YakuHanJP, "Zen Kaku Gothic New", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  --en:    "Marcellus", serif;
}

*, *::before, *::after { box-sizing: border-box; }
html {
  -webkit-text-size-adjust: 100%; scroll-behavior: smooth;
  overflow-x: clip;
}
body, h1, h2, h3, p, ul, ol, li, dl, dt, dd, figure, table, th, td { margin: 0; padding: 0; }
ul, ol { list-style: none; }
img, svg { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
table { border-collapse: collapse; }

body {
  position: relative;
  background-color: var(--bg);
  background-image: var(--washi);
  background-blend-mode: multiply;
  font-family: var(--sans);
  font-feature-settings: "palt" 1;
  color: var(--text);
  font-size: 18px;
  line-height: 1.92;
  letter-spacing: .03em;
  padding-bottom: 64px;   overflow-x: clip;       }

::selection { background: var(--main-line); color: var(--main-dark); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

.container { width: min(100% - 44px, var(--container)); margin-inline: auto; }

.line { display: block; }
.is-split { overflow: hidden; padding-bottom: .12em; }
.ch { display: inline-block; will-change: transform; }

.heading { position: relative; text-align: center; margin-bottom: 52px; }
.heading__en {
  display: block;
  font-family: var(--en); font-size: 12px;
  letter-spacing: .3em; color: var(--main);
  margin-bottom: 12px;
}
.heading__ja {
  font-family: var(--serif);
  font-size: clamp(26px, 5.6vw, 34px);
  font-weight: 600; line-height: 1.5;
  letter-spacing: .04em;   }
.heading--left { text-align: left; }
.heading--left .heading__en { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.heading--left .heading__en::after { content: ""; flex: 1; height: 1px; background: var(--main-line); }

.staffrun { position: absolute; inset: 0; z-index: 0; pointer-events: none; overflow: hidden; }
.staffrun svg { width: 100%; height: 100%; }
.river use { stroke: var(--main); stroke-width: 1.4; opacity: .3; }
.river use:nth-child(2) { stroke: var(--accent); opacity: .24; }
.river use:nth-child(4) { opacity: .2; }
.river__b use { opacity: .22; }
.river__b use:nth-child(2) { opacity: .18; }
@media (max-width: 700px) {
  .river use { stroke-width: 1.1; opacity: .24; }
  .river__b use { opacity: .18; }
}

.scat {
  position: absolute; top: var(--t); left: var(--l);
  font-family: "Noto Music", var(--serif);
  font-size: var(--s); line-height: 1;
  color: var(--main); opacity: .17;
  will-change: transform;
}
.scat:nth-child(3n)   { color: var(--accent); opacity: .15; }
.scat:nth-child(4n+2) { opacity: .12; }
@media (max-width: 700px) {
  .scat { font-size: calc(var(--s) * .72); opacity: .13; }
}

.section > .container { position: relative; z-index: 1; }

.illust {
  position: absolute; z-index: 3;
  height: auto;
  pointer-events: none; user-select: none;
  will-change: transform;
}
.illust--fv      { left: 3%;   bottom: 12%; width: clamp(86px, 10vw, 148px); }
.illust--lesson  { right: 7%;  top: 9%;     width: clamp(58px, 6.4vw, 96px); }
.illust--teacher { left: 64%;  top: 15%;    width: clamp(86px, 10vw, 150px); }
.illust--info    { left: 26%;  top: 9%;     width: clamp(86px, 10vw, 152px); }
.illust--contact { right: 8%;  top: 27%;    width: clamp(78px, 9vw, 128px); }
.illust--about { left: 29%; top: 11%;    width: clamp(96px, 13vw, 176px); }
.illust--price { right: 11%; top: 8%;    width: clamp(70px, 8vw, 116px); }
.illust--flow  { right: 3%; bottom: 4%;  width: clamp(132px, 19vw, 248px); }
@media (max-width: 860px) {
  .illust--flow {
    position: static; display: block;
    width: min(46%, 190px);
    margin: 170px auto 0;
  }
}
@media (max-width: 700px) {
  .illust--about, .illust--price, .illust--lesson { display: none; }
  .illust--fv      { left: 1%;  bottom: 1.5%; width: 66px; }
  .illust--teacher { left: auto; right: 4%; top: 12%;  width: 74px; }
  .illust--info    { left: 2%;  top: 1.5%;   width: 74px; }
  .illust--contact { right: 5%; top: 8%;     width: 68px; }
}

.section { padding: 96px 0; position: relative; z-index: 1; }
.section--tint {
  background-image: linear-gradient(180deg,
    transparent 0, rgba(246,239,242,.92) 90px,
    rgba(246,239,242,.92) calc(100% - 90px), transparent 100%);
}
.about      { padding: 118px 0 108px; }
.price-sec  { padding: 92px 0; }
.teacher-sec{ padding: 112px 0 104px; }
.flow-sec   { padding: 96px 0; }

.section__bgtext {
  position: absolute; top: 6%; right: 0;   font-family: var(--en); font-size: clamp(78px, 17vw, 190px);
  line-height: 1; letter-spacing: .02em;
  color: var(--main); opacity: .055;
  pointer-events: none; user-select: none;
}

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden;
  min-height: 58px; padding: 0 34px;
  border-radius: 999px;
  font-size: 15px; letter-spacing: .07em;
  transition: color .35s ease, border-color .35s ease, translate .35s ease;
}
.btn--main  { background: var(--main); color: #fff; }
.btn--ghost { border: 1px solid var(--main-line); color: var(--main-dark); background: #fff; }
.btn::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: var(--main-dark);
  transform-origin: left; scale: 0 1;
  transition: scale .45s cubic-bezier(.16,.84,.28,1);
}
.btn { z-index: 0; }
@media (hover: hover) {
  .btn:hover { translate: 0 -2px; }
  .btn--main:hover::before { scale: 1 1; }
  .btn--ghost:hover { color: #fff; border-color: var(--main-dark); }
  .btn--ghost:hover::before { scale: 1 1; }
}

.header { position: relative; z-index: 5; border-bottom: 1px solid var(--main-line); }
.header__inner {
  width: min(100% - 44px, var(--container)); margin-inline: auto;
  min-height: 70px; display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.header__name { font-family: var(--serif); font-size: 18px; letter-spacing: .1em; }
.header__tel { text-align: right; line-height: 1.4; }
.header__tel-label { display: block; font-size: 11px; letter-spacing: .1em; color: var(--main); }
.header__tel-num   { font-family: var(--en); font-size: 21px; letter-spacing: .04em; font-variant-numeric: tabular-nums; }
@media (max-width: 700px) { .header__tel { display: none; } }

.fv {
  position: relative; z-index: 1; overflow: hidden;
  background: linear-gradient(170deg, var(--main-tint) 0%, var(--bg) 62%);
}
.fv__inner {
  position: relative; z-index: 2;
  width: min(100% - 44px, var(--container)); margin-inline: auto;
  padding: clamp(84px, 15vw, 150px) 0 clamp(78px, 12vw, 128px);
  text-align: center;
}
.fv__en {
  font-family: var(--en); font-size: 12px; letter-spacing: .36em;
  color: var(--main); margin-bottom: 28px;
}
.fv__catch {
  font-family: var(--serif);
  font-size: clamp(31px, 8.6vw, 60px);
  font-weight: 600; line-height: 1.45;
  letter-spacing: .03em;   margin-bottom: 32px;
}
.fv__lead { font-size: 15px; color: var(--text-sub); margin-bottom: 40px; }
@media (max-width: 560px) { .fv__lead br { display: none; } }
.fv__cta { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; }

.deco { position: absolute; inset: 0; z-index: 1; pointer-events: none; }

.deco__ring {
  position: absolute; left: 50%; top: 50%;
  width: clamp(420px, 62vw, 760px); height: auto;
  translate: -50% -50%;
  opacity: .5;
}
.ring__lines circle { stroke: var(--main); stroke-width: 1; opacity: .17; }
.ring__lines circle:nth-child(2) { stroke: var(--accent); opacity: .13; }
.ring__lines circle:nth-child(4) { opacity: .1; }

.glyph__in { display: inline-block; will-change: transform; }
.cloud-wrap { position: absolute; top: 9%; right: 5%; width: clamp(120px, 19vw, 212px); }
.glyph {
  position: absolute;
  font-family: "Noto Music", var(--serif);
  line-height: 1;
  color: var(--main);
  user-select: none;
}
.cloudpic { width: 100%; height: auto; opacity: .92; will-change: transform; }
@media (max-width: 700px) {
  .cloud-wrap { width: 92px; top: auto; bottom: 1.5%; right: 2%; }
  .cloudpic { opacity: .86; }
}

.glyph--clef  { font-size: clamp(96px, 20vw, 210px); top: 12%; left:  5%; opacity: .22; }
.glyph--beam  { font-size: clamp(38px,  8vw,  74px); top: 76%; left: 30%; opacity: .22; color: var(--accent); }
.glyph--flat  { font-size: clamp(34px,  7vw,  68px); top: 72%; left: 16%; opacity: .2; }
.glyph--sharp { font-size: clamp(28px,  6vw,  56px); top: 20%; right: 18%; opacity: .16; }

@media (max-width: 700px) {
  .deco__ring   { width: 128vw; opacity: .42; }
  .glyph--clef  { font-size: 92px; top: 8%;  left: -1%; opacity: .16; }
  .glyph--beam  { font-size: 34px; top: 80%; left: 34%; opacity: .18; }
  .glyph--flat  { font-size: 30px; top: 78%; left: 8%;  opacity: .14; }
  .glyph--sharp { display: none; }
}

.spark {
  position: fixed; top: 0; left: 0; z-index: 9999;
  width: 11px; height: 11px; border-radius: 50%;
  pointer-events: none;
  will-change: transform, opacity;
}
.spark--head { position: absolute; z-index: 4; }

.spark--a { background: radial-gradient(circle, var(--accent)   0%, transparent 68%); }
.spark--b {
  background: radial-gradient(circle, #fff 0%, var(--spark-y) 38%, transparent 72%);
  box-shadow: 0 0 10px color-mix(in srgb, var(--spark-y) 60%, transparent);
}

.fv__scroll {
  position: absolute; z-index: 3; bottom: 0; left: 50%; translate: -50% 0;
  writing-mode: vertical-rl;   line-height: 1;
  font-family: var(--en); font-size: 10px; letter-spacing: .3em;
  color: var(--text-sub); padding-bottom: 62px;
}
@media (max-height: 680px), (max-width: 480px) { .fv__scroll { display: none; } }
.fv__scroll span { display: block; }
.fv__scroll::after {
  content: ""; position: absolute; bottom: 0; left: 50%; translate: -50% 0;
  width: 1px; height: 52px; background: var(--main-line); overflow: hidden;
}
.fv__scroll::before {
  content: ""; position: absolute; bottom: 0; left: 50%; translate: -50% 0;
  width: 1px; height: 52px; background: var(--main);
  transform-origin: top; animation: scrollLine 2.4s cubic-bezier(.4,0,.2,1) infinite;
}
@keyframes scrollLine {
  0%        { scale: 1 0; transform-origin: top; }
  45%, 55%  { scale: 1 1; transform-origin: top; }
  100%      { scale: 1 0; transform-origin: bottom; }
}

.lessons { display: grid; gap: clamp(64px, 9vw, 104px); }
.lesson {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: clamp(32px, 5vw, 64px); align-items: center;
}
.lesson:nth-child(even) .lesson__pic { order: 2; }

.lesson__pic img { width: 100%; height: auto; }
.lesson:nth-child(2) .lesson__pic img {
  --fade: 11%;
  -webkit-mask-image:
    linear-gradient(to bottom, transparent 0, #000 var(--fade), #000 calc(100% - var(--fade)), transparent 100%),
    linear-gradient(to right,  transparent 0, #000 var(--fade), #000 calc(100% - var(--fade)), transparent 100%);
          mask-image:
    linear-gradient(to bottom, transparent 0, #000 var(--fade), #000 calc(100% - var(--fade)), transparent 100%),
    linear-gradient(to right,  transparent 0, #000 var(--fade), #000 calc(100% - var(--fade)), transparent 100%);
  -webkit-mask-composite: source-in;
          mask-composite: intersect;
}

.lesson__no {
  font-family: var(--en); font-size: 13px; letter-spacing: .2em;
  color: var(--main); margin-bottom: 12px; font-variant-numeric: tabular-nums;
}
.lesson__title {
  font-family: var(--serif); font-size: clamp(23px, 3.6vw, 28px);
  font-weight: 600; line-height: 1.6; letter-spacing: .04em;
  margin-bottom: 18px;
}
.lesson__text { font-size: 16.5px; color: var(--text-sub); line-height: 2.05; }

@media (max-width: 860px) {
  .lesson { grid-template-columns: 1fr; gap: 24px; }
  .lesson:nth-child(even) .lesson__pic { order: 0; }
  .lesson__pic { width: min(72%, 300px); margin-inline: auto; }
}

.about__inner { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
@media (max-width: 900px) { .about__inner { grid-template-columns: 1fr; gap: 40px; } }
.about__text { font-size: 15px; line-height: 2.15; }
.facts { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.facts__item {
  text-align: center; padding: 30px 10px; background: #fff;
  border-radius: 999px 999px 18px 18px;   border: 1px solid var(--main-line);
}
.facts__item dt { font-size: 11.5px; letter-spacing: .14em; color: var(--text-sub); }
.facts__item dd {
  font-family: var(--serif); font-size: 15px; letter-spacing: .04em;
  display: flex; align-items: baseline; justify-content: center; gap: 2px;
}
.facts__item dd b {
  font-family: var(--en); font-size: 42px; font-weight: 400;
  color: var(--main); line-height: 1.15; font-variant-numeric: tabular-nums;
}
.facts__word { font-family: var(--serif); font-size: 30px; font-weight: 600; color: var(--main); line-height: 1.4; }

.price {
  max-width: 620px; margin-inline: auto;
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  padding: 40px 48px; background: #fff;
  border: 1px solid var(--main-line); border-radius: 999px;
  box-shadow: 0 10px 34px rgba(201,73,127,.06);
}
@media (max-width: 620px) { .price { flex-direction: column; gap: 10px; text-align: center; padding: 34px 24px; border-radius: 48px; } }
.price__name { font-family: var(--serif); font-size: 18px; letter-spacing: .04em; }
.price__sub  { display: block; font-family: var(--sans); font-size: 12px; color: var(--text-sub); letter-spacing: .08em; }
.price__yen  { display: flex; align-items: baseline; gap: 4px; color: var(--main-dark); }
.price__yen b {
  font-family: var(--en); font-size: 52px; font-weight: 400; line-height: 1;
  letter-spacing: .01em; font-variant-numeric: tabular-nums;
}
.price__unit { font-family: var(--serif); font-size: 15px; }
.price__note { margin-top: 20px; font-size: 13.5px; color: var(--text-sub); text-align: center; line-height: 2; }

.band {
  position: relative; z-index: 1;
  height: clamp(240px, 34vw, 420px);
  overflow: hidden;
}
.band img {
  width: 100%; height: 128%;   object-fit: cover; object-position: center;
}

.teacher { display: grid; grid-template-columns: 320px 1fr; gap: 56px; align-items: center; }
@media (max-width: 860px) { .teacher { grid-template-columns: 1fr; gap: 30px; } }
.teacher__photo {
  aspect-ratio: 4 / 5; display: grid; place-items: center;
  background: #fff; border: 1px dashed var(--main-line);
  border-radius: 160px 160px 8px 8px;   }
@media (max-width: 860px) {
  .teacher__photo { aspect-ratio: 16 / 9; max-width: 340px; margin-inline: auto; }
}
.teacher__photo-note { font-size: 13px; line-height: 1.9; text-align: center; color: var(--text-sub); letter-spacing: .05em; }
.teacher__label {
  font-family: var(--en); font-size: 11px; letter-spacing: .3em;
  color: var(--main); margin-bottom: 18px;
  display: flex; align-items: center; gap: 12px;
}
.teacher__label::after { content: ""; flex: 1; height: 1px; background: var(--main-line); }
.teacher__text { font-size: 15px; line-height: 2.15; }
.teacher__text + .teacher__text { margin-top: 22px; }

.flow { position: relative; padding-left: 4px; }
.flow__line {
  position: absolute; left: 27px; top: 16px; bottom: 16px; width: 2px;
  background: var(--main); opacity: .28;
  transform-origin: top;   }
@media (max-width: 600px) { .flow__line { left: 21px; } }
.flow__list { display: grid; gap: 30px; position: relative; }
.flow__item { display: grid; grid-template-columns: 56px 1fr; gap: 22px; align-items: start; }
@media (max-width: 600px) { .flow__item { grid-template-columns: 44px 1fr; gap: 16px; } }
.flow__no {
  font-family: var(--en); font-size: 13px; letter-spacing: .1em;
  color: #fff; background: var(--main);
  width: 56px; height: 56px; border-radius: 50%;
  display: grid; place-items: center;
  font-variant-numeric: tabular-nums;
}
@media (max-width: 600px) { .flow__no { width: 44px; height: 44px; font-size: 12px; } }
.flow__title { font-family: var(--serif); font-size: 18px; font-weight: 600; letter-spacing: .04em; margin-bottom: 6px; padding-top: 12px; }
.flow__body { font-size: 14px; color: var(--text-sub); line-height: 1.95; }

.info { width: 100%; max-width: 740px; margin-inline: auto; font-size: 14.5px; }
.info th, .info td { padding: 18px 12px; border-bottom: 1px solid var(--main-line); text-align: left; vertical-align: top; }
.info th { width: 32%; font-weight: 500; color: var(--main-dark); letter-spacing: .08em; white-space: nowrap; }
.info tr { transition: background-color .3s ease; }
@media (hover: hover) { .info tr:hover { background: var(--main-pale); } }
.info__sub { font-size: 13px; color: var(--text-sub); }
.map {
  max-width: 740px; margin: 44px auto 0;
  aspect-ratio: 16 / 9; border-radius: 3px; overflow: hidden;
  border: 1px solid var(--main-line);
  filter: saturate(.72) contrast(.96);
}
@media (max-width: 620px) { .map { aspect-ratio: 4 / 3; margin-top: 32px; } }
.map iframe { width: 100%; height: 100%; border: 0; display: block; }
.map__note { max-width: 740px; margin: 14px auto 0; font-size: 13px; color: var(--text-sub); text-align: center; }

.contact { position: relative; z-index: 1; background: var(--main); color: #fff; padding: 88px 0; text-align: center; }
.contact__en { font-family: var(--en); font-size: 12px; letter-spacing: .36em; opacity: .85; margin-bottom: 18px; }
.contact__title {
  font-family: var(--serif); font-size: clamp(23px, 5.6vw, 34px);
  font-weight: 600; line-height: 1.55; letter-spacing: .05em; margin-bottom: 20px;
}
.contact__lead { font-size: 16px; opacity: .92; margin-bottom: 40px; line-height: 2.05; }
.contact__list { display: grid; grid-template-columns: repeat(3, 240px); gap: 14px; justify-content: center; }
@media (max-width: 860px) { .contact__list { grid-template-columns: min(100%, 330px); } }
.contact__btn {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  width: 100%; min-height: 78px; padding: 0 24px;
  background: #fff; color: var(--main-dark);
  border-radius: 3px; font-size: 16px; letter-spacing: .05em;
  transition: translate .3s ease, box-shadow .3s ease;
}
@media (hover: hover) { .contact__btn:hover { translate: 0 -3px; box-shadow: 0 12px 26px rgba(0,0,0,.14); } }
.contact__btn-en { font-family: var(--en); font-size: 11px; letter-spacing: .22em; color: var(--main); }

.footer { position: relative; z-index: 1; padding: 48px 22px 44px; text-align: center; }
.footer__name { font-family: var(--serif); font-size: clamp(15px, 4.6vw, 18px); letter-spacing: .1em; margin-bottom: 8px; }
.footer__addr { font-size: clamp(11px, 3.4vw, 13.5px); color: var(--text-sub); margin-bottom: 22px; }
.footer__addr span { white-space: nowrap; }
.footer__credit { font-size: clamp(10.5px, 3vw, 12px); color: var(--text-sub); letter-spacing: .06em; }
.footer__credit a { color: var(--main); border-bottom: 1px solid transparent; transition: border-color .3s ease; }
@media (hover: hover) { .footer__credit a:hover { border-color: var(--main); } }

.fixbar { position: fixed; inset: auto 0 0 0; display: flex; z-index: 20; }
.fixbar__btn {
  flex: 1; min-height: 64px;
  display: flex; align-items: center; justify-content: center;
  font-size: 15px; letter-spacing: .07em;
  color: #fff;   }
.fixbar__btn--tel  { background: var(--main-dark); }
.fixbar__btn--mail { background: var(--main); }
@media (min-width: 861px) { .fixbar { display: none; } body { padding-bottom: 0; } }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .fv__scroll::before { animation: none; scale: 1 1; }
  * { transition-duration: .01s !important; }
}

@media print {
  .fixbar, .fv__cta, .fv__scroll, .deco, .section__bgtext { display: none !important; }
  body { padding-bottom: 0; background: #fff; }
  .section, .about, .price-sec, .teacher-sec, .flow-sec { padding: 22px 0; }
  .is-split { overflow: visible; }
  .ch, [data-fade], [data-slide-x], [data-stagger] > *, [data-circle], .lesson, .facts__item, .flow__item, .info tr {
    opacity: 1 !important; visibility: visible !important;
    transform: none !important; translate: none !important; scale: none !important;
    clip-path: none !important;
  }
  .contact { background: #fff; color: var(--text); }
  .contact__btn { border: 1px solid var(--main-line); }
}