:root {
  --ink: #4d4d4b;
  --ink-dark: #31312f;
  --ash: #777775;
  --ash-light: #aaa9a5;
  --paper: #ffffff;
  --soft: #f6f6f4;
  --soft-deep: #ededeb;
  --line: #dededb;
  --green: #06c755;
  --radius: 18px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", "YuGothic", "Noto Sans JP", sans-serif;
  font-size: 16px;
  line-height: 1.85;
  letter-spacing: .04em;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
img { max-width: 100%; height: auto; display: block; }
.skip-link { position: absolute; left: -9999px; top: 0; background: #fff; padding: .75rem 1rem; z-index: 999; }
.skip-link:focus { left: 0; }
.site-header { height: 88px; border-bottom: 1px solid rgba(119,119,117,.16); background: rgba(255,255,255,.96); position: sticky; top: 0; z-index: 50; backdrop-filter: blur(12px); }
.header-inner { height: 100%; max-width: 1180px; margin: auto; padding: 0 28px; display: flex; align-items: center; gap: 34px; }
.brand { width: 138px; display: block; }
.brand img { width: 100%; }
.desktop-nav { display: flex; gap: 28px; margin-left: auto; }
.desktop-nav a { text-decoration: none; font-size: .86rem; color: var(--ink); }
.desktop-nav a:hover { color: #111; }
.header-phone { text-decoration: none; border-left: 1px solid var(--line); padding-left: 24px; font-size: 1.05rem; letter-spacing: .08em; }
.header-phone span { display: block; font-size: .68rem; line-height: 1.2; color: var(--ash); letter-spacing: .1em; }
.hero { min-height: 670px; display: grid; align-items: center; background: radial-gradient(circle at 86% 18%,#ededeb 0,transparent 28%),linear-gradient(145deg,#fff 64%,#f3f3f1 64%); overflow: hidden; }
.hero-inner { max-width: 1180px; width: 100%; margin: auto; padding: 88px 28px 96px; display: grid; grid-template-columns: minmax(0,1.35fr) minmax(280px,.65fr); gap: 8vw; align-items: center; }
.hero-inner-single { grid-template-columns: minmax(0,760px); }
.eyebrow,.section-kicker { margin: 0 0 17px; font-family: Arial,sans-serif; color: var(--ash); font-weight: 600; font-size: .75rem; letter-spacing: .24em; }
.hero h1 { margin: 0; color: var(--ink-dark); font-family: "Yu Mincho", "Hiragino Mincho ProN", serif; font-weight: 500; font-size: clamp(2.45rem,5.2vw,4.25rem); line-height: 1.34; letter-spacing: .05em; }
.hero h1 span { white-space: nowrap; }
.hero-bridge { margin: 25px 0 0; color: var(--ink-dark); font-size: 1.2rem; font-weight: 700; }
.hero-lead { max-width: 710px; margin: 12px 0 0; font-size: 1.03rem; line-height: 2; }
.hero-lead strong { color: var(--ink-dark); font-size: 1.12rem; }
.hero-concept { max-width: 710px; margin: 30px 0 0; padding: 24px 26px; border: 1px solid var(--line); border-radius: var(--radius); background: rgba(255,255,255,.82); box-shadow: 0 18px 44px rgba(49,49,47,.06); }
.hero-concept p { margin: 0; }
.hero-concept .hero-concept-label { margin-bottom: 8px; color: var(--ash); font-family: Arial,sans-serif; font-size: .75rem; font-weight: 700; letter-spacing: .12em; }
.hero-concept .hero-concept-title { color: var(--ink-dark); font-family: "Yu Mincho", "Hiragino Mincho ProN", serif; font-size: 1.34rem; font-weight: 600; line-height: 1.65; letter-spacing: .06em; }
.hero-concept-copy { margin-top: 13px; color: var(--ash); font-size: 1rem; line-height: 1.9; }
.hero-concept-copy p + p { margin-top: 12px; }
.hero-actions { margin-top: 34px; display: flex; flex-wrap: wrap; gap: 12px; }
.button { min-height: 58px; padding: 0 24px; display: inline-flex; justify-content: center; align-items: center; gap: 10px; border: 1px solid transparent; border-radius: 999px; text-decoration: none; font-weight: 700; transition: transform .2s, box-shadow .2s, background .2s; }
.button:hover { transform: translateY(-2px); box-shadow: 0 9px 25px rgba(60,60,58,.14); }
.button-line { background: var(--green); color: #fff; }
.button-phone { background: var(--ink); color: #fff; }
.button-icon { font-family: Arial,sans-serif; font-size: .68rem; background: white; color: var(--green); padding: 2px 4px; border-radius: 2px; letter-spacing: -.02em; }
.hero-note { font-size: .8rem; color: var(--ash); margin: 14px 0 0; }
.section { padding: 112px 28px; }
.section-inner { max-width: 1120px; margin: auto; }
.section-heading h2 { margin: 0; color: var(--ink-dark); font-family: "Yu Mincho", "Hiragino Mincho ProN", serif; font-weight: 500; font-size: clamp(2rem,4vw,3.2rem); line-height: 1.45; letter-spacing: .07em; }
.section-heading > p:last-child:not(.section-kicker) { margin: 20px 0 0; }
.section-heading.centered { text-align: center; margin-bottom: 48px; }
.audience-grid { margin-top: 48px; display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; }
.audience-grid article { min-height: 270px; padding: 30px 28px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.audience-grid .num { color: var(--ash-light); font-family: Georgia,serif; font-style: italic; }
.audience-grid h3 { margin: 42px 0 11px; font-size: 1.07rem; color: var(--ink-dark); }
.audience-grid p { margin: 0; font-size: .9rem; line-height: 1.8; }
.consultation-callout { margin-top: 20px; padding: 28px 30px; display: grid; grid-template-columns: 1fr auto; gap: 30px; align-items: center; border-radius: var(--radius); background: var(--soft); }
.consultation-callout p { margin: 0; }
.consultation-callout .callout-label { margin-bottom: 5px; color: var(--ink-dark); font-weight: 700; }
.consultation-callout a { padding: 12px 20px; border: 1px solid var(--ash-light); border-radius: 999px; text-decoration: none; white-space: nowrap; font-weight: 700; }
.consultation-callout a:hover { background: #fff; }
.muted { background: var(--soft); }
.split-heading { display: grid; grid-template-columns: 1fr 1.45fr; gap: 9vw; }
.sticky-heading { align-self: start; position: sticky; top: 130px; }
.service-list { display: grid; gap: 14px; }
.service-list article { display: grid; grid-template-columns: 56px 1fr; gap: 18px; padding: 34px 30px 36px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.service-list article.service-primary { border-color: #c9c9c5; box-shadow: 0 18px 46px rgba(49,49,47,.07); }
.service-list article.service-secondary { background: transparent; box-shadow: none; }
.service-list h3 { margin: 0 0 10px; color: var(--ink-dark); font-size: 1.25rem; }
.service-list p { margin: 0; }
.service-no { color: var(--ash-light); font-family: Georgia,serif; font-style: italic; }
.service-list .service-tag { margin: 0 0 5px; color: var(--ash); font-family: Arial,sans-serif; font-size: .64rem; font-weight: 700; letter-spacing: .18em; }
.price-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 14px; }
.price-card { min-height: 260px; border: 1px solid var(--line); border-radius: var(--radius); padding: 38px 28px; display: flex; flex-direction: column; text-align: center; justify-content: center; }
.price-card.featured { background: var(--ink); color: white; border-color: var(--ink); box-shadow: 0 18px 40px rgba(49,49,47,.12); }
.price-card p { margin: 0; }
.price-card .menu { font-weight: 700; }
.amount { color: var(--ink-dark); font-family: Georgia,serif; font-size: clamp(2.35rem,4vw,3.4rem); letter-spacing: .01em; line-height: 1.35; }
.featured .amount { color: white; }
.amount span { font-size: 1.3rem; margin-right: 2px; }
.amount small { font-family: sans-serif; font-size: 1.1rem; }
.duration { margin: 5px 0 3px !important; color: var(--ink-dark); font-size: .8rem; font-weight: 700; }
.detail,.tax,.same-price { font-size: .78rem; color: var(--ash); }
.featured .duration { color: rgba(255,255,255,.92); }
.featured .tax { color: rgba(255,255,255,.72); }
.featured .same-price { color: rgba(255,255,255,.9); font-weight: 700; }
.service-heading { margin-bottom: 34px !important; }
.service-heading .section-kicker { margin-bottom: 0; }
.service-list { max-width: 900px; margin: 0 auto; }
.option-row { max-width: 760px; margin: 24px auto 0; padding: 20px 25px; border-top: 1px solid var(--ink); border-bottom: 1px solid var(--ink); display: flex; justify-content: center; gap: 32px; align-items: center; }
.option-row span { font-size: .74rem; color: var(--ash); }
.group-discount { max-width: 920px; margin: 24px auto 0; padding: 28px 30px 22px; display: grid; grid-template-columns: 1fr 260px; gap: 24px 34px; align-items: center; border: 1px solid var(--line); border-radius: var(--radius); background: var(--soft); }
.group-discount p,.group-discount h3,.group-discount dl { margin: 0; }
.group-discount-label { margin-bottom: 5px !important; color: var(--ash); font-family: Arial,sans-serif; font-size: .68rem; font-weight: 700; letter-spacing: .16em; }
.group-discount h3 { margin-bottom: 8px; color: var(--ink-dark); font-size: 1.2rem; }
.group-discount-copy > p:not(.group-discount-label) { font-size: .9rem; line-height: 1.8; }
.group-discount-copy .group-discount-note { margin-top: 8px; color: var(--ash); font-size: .82rem; }
.group-discount-example { padding: 18px 20px; border-radius: 14px; background: #fff; }
.group-discount-example > p { margin-bottom: 7px; color: var(--ash); font-size: .72rem; font-weight: 700; }
.group-discount-example dl { border-top: 1px solid var(--line); }
.group-discount-example dl div { grid-template-columns: 1fr auto; gap: 12px; padding: 6px 0; }
.group-discount-example dt,.group-discount-example dd { color: var(--ink); font-size: .82rem; }
.group-discount-example > strong { display: block; margin-top: 8px; color: var(--ink-dark); text-align: right; font-size: 1.08rem; }
.group-discount-condition { grid-column: 1 / -1; padding-top: 13px; border-top: 1px solid var(--line); color: var(--ash); font-size: .76rem; }
.payment-note { margin: 14px 0 0; text-align: center; color: var(--ash); font-size: .84rem; }
.support-ticket { margin: 34px auto 0; padding: 28px 30px; display: grid; grid-template-columns: 1fr auto; gap: 30px; align-items: center; border: 1px solid var(--line); border-radius: var(--radius); background: var(--soft); }
.support-ticket-label { margin: 0 0 6px; color: var(--ash); font-family: Arial,sans-serif; font-size: .68rem; font-weight: 700; letter-spacing: .16em; }
.support-ticket h3 { margin: 0 0 8px; color: var(--ink-dark); font-size: 1.08rem; }
.support-ticket p:last-child { margin: 0; font-size: .88rem; }
.support-ticket a { padding: 12px 18px; border: 1px solid var(--ash-light); border-radius: 999px; text-decoration: none; white-space: nowrap; font-size: .82rem; font-weight: 700; }
.support-ticket a:hover { background: #fff; }
.experience-note { margin-top: 20px; padding: 28px 30px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.experience-note p { margin: 0; }
.experience-note .callout-label { margin-bottom: 6px; color: var(--ink-dark); font-weight: 700; }
.flow-list { list-style: none; margin: 48px auto 0; padding: 0; max-width: 800px; counter-reset: flow; }
.flow-list li { display: grid; grid-template-columns: 66px 1fr; gap: 22px; position: relative; padding-bottom: 34px; }
.flow-list li:not(:last-child)::before { content: ""; position: absolute; left: 27px; top: 55px; bottom: 4px; width: 1px; background: var(--line); }
.flow-list li > span { width: 56px; height: 56px; display: grid; place-items: center; border: 1px solid var(--ash); border-radius: 50%; font-family: Georgia,serif; font-style: italic; background: var(--soft); }
.flow-list h3 { margin: 4px 0 4px; color: var(--ink-dark); font-size: 1.1rem; }
.flow-list p { margin: 0; font-size: .9rem; }
.narrow { max-width: 820px; }
details { border-top: 1px solid var(--line); }
details:last-child { border-bottom: 1px solid var(--line); }
summary { cursor: pointer; list-style: none; padding: 25px 48px 25px 44px; position: relative; color: var(--ink-dark); font-weight: 700; }
summary::before { content: "Q"; position: absolute; left: 8px; top: 23px; color: var(--ash); font-family: Georgia,serif; font-style: italic; font-size: 1.25rem; }
summary::after { content: "+"; position: absolute; right: 10px; font-size: 1.3rem; font-weight: 400; }
details[open] summary::after { content: "−"; }
details p { margin: 0; padding: 0 36px 26px 44px; }
.contact { color: white; background: var(--ink); }
.contact-inner { max-width: 1120px; margin: auto; display: grid; grid-template-columns: 1fr 1fr; gap: 7vw; align-items: center; }
.contact h2 { margin: 0; font-family: "Yu Mincho",serif; font-weight: 500; font-size: clamp(2.3rem,4vw,3.7rem); }
.contact p { margin: 12px 0 0; color: rgba(255,255,255,.72); }
.section-kicker.light { color: rgba(255,255,255,.55); }
.contact-booking { display: grid; grid-template-columns: minmax(0,1fr) 176px; gap: 16px; align-items: stretch; }
.contact-actions { display: grid; gap: 12px; }
.button.large { min-height: 70px; font-size: 1.04rem; }
.phone-contact { min-height: 94px; display: flex; flex-direction: column; align-items: center; justify-content: center; border: 1px solid rgba(255,255,255,.4); border-radius: var(--radius); text-decoration: none; line-height: 1.45; }
.phone-contact small,.phone-contact span { font-size: .71rem; color: rgba(255,255,255,.66); }
.phone-contact strong { font-size: 1.55rem; letter-spacing: .09em; }
.line-qr { display: flex; flex-direction: column; justify-content: center; gap: 9px; padding: 12px; color: var(--ink-dark); background: #fff; border-radius: var(--radius); text-align: center; text-decoration: none; }
.line-qr img { width: 100%; aspect-ratio: 1; object-fit: contain; }
.line-qr span { font-size: .68rem; line-height: 1.45; letter-spacing: .02em; }
.line-qr strong { display: block; font-size: .82rem; color: var(--green); }
.business-inner { display: grid; grid-template-columns: .65fr 1.35fr; gap: 9vw; align-items: center; }
.business-inner > img { width: 300px; }
.business h2 { margin: 0 0 20px; font-size: 1.1rem; color: var(--ink-dark); }
dl { margin: 0; border-top: 1px solid var(--line); }
dl div { display: grid; grid-template-columns: 110px 1fr; border-bottom: 1px solid var(--line); padding: 13px 0; }
dt { color: var(--ash); font-size: .82rem; }
dd { margin: 0; }
footer { padding: 25px; text-align: center; border-top: 1px solid var(--line); color: var(--ash); font-size: .75rem; }
.mobile-booking { display: none; }
@media (max-width: 880px) {
  .site-header { height: 72px; }
  .header-inner { padding: 0 18px; }
  .brand { width: 112px; }
  .desktop-nav,.header-phone { display: none; }
  .hero { min-height: 0; background: linear-gradient(160deg,#fff 68%,#f2f2f0 68%); }
  .hero-inner { padding: 62px 22px 76px; grid-template-columns: 1fr; gap: 48px; }
  .audience-grid { grid-template-columns: repeat(2,1fr); }
  .split-heading { grid-template-columns: 1fr; gap: 48px; }
  .sticky-heading { position: static; }
  .price-grid { grid-template-columns: repeat(2,1fr); max-width: 760px; margin: auto; }
  .price-card { min-height: 210px; }
  .contact-inner { grid-template-columns: 1fr; gap: 38px; }
  .contact-booking { max-width: 650px; width: 100%; grid-template-columns: minmax(0,1fr) 176px; }
  .business-inner { grid-template-columns: 1fr; gap: 42px; }
}
@media (max-width: 600px) {
  body { padding-bottom: 66px; font-size: 16px; letter-spacing: .025em; }
  .section { padding: 78px 20px; }
  .hero-inner { padding: 54px 20px 70px; }
  .hero h1 { font-size: clamp(2.15rem,11vw,3.15rem); line-height: 1.38; }
  .hero h1 span { white-space: normal; }
  .hero-bridge { margin-top: 22px; font-size: 1.1rem; }
  .hero-lead { font-size: .98rem; line-height: 1.95; }
  .hero-concept { margin-top: 26px; padding-left: 16px; }
  .hero-concept .hero-concept-title { font-size: 1.16rem; }
  .hero-actions { display: grid; }
  .button { width: 100%; }
  .audience-grid { grid-template-columns: 1fr; }
  .price-grid { grid-template-columns: 1fr; max-width: 520px; }
  .audience-grid article { min-height: auto; padding: 26px 24px 30px; }
  .audience-grid h3 { margin-top: 24px; }
  .consultation-callout { grid-template-columns: 1fr; gap: 18px; padding: 24px 22px; }
  .consultation-callout a { text-align: center; }
  .support-ticket { grid-template-columns: 1fr; gap: 18px; padding: 24px 22px; }
  .support-ticket a { text-align: center; white-space: normal; }
  .group-discount { grid-template-columns: 1fr; gap: 18px; padding: 24px 22px 20px; }
  .group-discount-condition { grid-column: auto; }
  .experience-note { padding: 24px 22px; }
  .section-heading.centered { margin-bottom: 34px; }
  .option-row { align-items: flex-start; flex-direction: column; gap: 4px; }
  .service-list article { grid-template-columns: 36px 1fr; gap: 8px; padding: 26px 20px 28px; }
  .flow-list li { grid-template-columns: 52px 1fr; gap: 15px; }
  .flow-list li > span { width: 46px; height: 46px; }
  .flow-list li:not(:last-child)::before { left: 22px; top: 47px; }
  summary { padding-left: 36px; font-size: .95rem; }
  summary::before { left: 2px; }
  details p { padding-left: 36px; padding-right: 10px; }
  .contact { text-align: center; }
  .contact-booking { grid-template-columns: 1fr; }
  .line-qr { width: min(230px,100%); justify-self: center; padding: 16px; }
  dl div { grid-template-columns: 82px 1fr; }
  .mobile-booking { position: fixed; bottom: 0; left: 0; right: 0; height: 66px; z-index: 100; display: grid; grid-template-columns: 1fr 1fr; box-shadow: 0 -7px 22px rgba(40,40,38,.12); }
  .mobile-booking a { display: grid; place-items: center; color: #fff; text-decoration: none; font-weight: 700; }
  .mobile-line { background: var(--green); }
  .mobile-phone { background: var(--ink-dark); }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .button { transition: none; }
}