:root {
  --night: #0b1830;
  --night-deep: #060f1e;
  --ruri: #2458b8;
  --indigo: #1b3a6b;
  --sky: #dfe9f7;
  --mist: #f3f6fb;
  --ink: #11202f;
  --muted: #46586f;
  --line: #c3d2e8;
  --on-night: #eef3fb;
  --on-night-muted: #a9bad4;
  --pale-btn: #d6e4ff;
  --serif: 'Shippori Mincho', 'Noto Serif JP', 'Yu Mincho', 'Hiragino Mincho ProN', serif;
  --sans: 'Zen Kaku Gothic New', 'Noto Sans JP', 'Hiragino Sans', 'Yu Gothic', system-ui, sans-serif;
  --gutter: clamp(20px, 5vw, 56px);
  --section: clamp(56px, 9vw, 112px);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 88px; }
@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}
body {
  margin: 0;
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.9;
  color: var(--ink);
  background: #fff;
}
h1, h2, h3, h4, p, ul, ol, dl, dd, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
a { color: inherit; }
:focus-visible { outline: 3px solid var(--ruri); outline-offset: 3px; }
.dark :focus-visible { outline-color: #9fc0ff; }

.skip {
  position: absolute; left: 12px; top: -80px; z-index: 30;
  padding: 10px 16px; background: #fff; color: var(--ink); border-radius: 4px;
}
.skip:focus { top: 12px; }

.wrap {
  width: 100%; max-width: 1120px; margin: 0 auto;
  padding: 0 var(--gutter);
}
.sec { padding: var(--section) 0; }
.sec.mist { background: var(--mist); }
.sec.sky { background: var(--sky); }
.dark { background: var(--night); color: var(--on-night); }

.serif { font-family: var(--serif); }
h2, h3, h4 { font-family: var(--serif); font-weight: 700; }
.h2 {
  font-size: clamp(26px, 3.6vw, 40px);
  line-height: 1.5; letter-spacing: 0.02em;
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 56px; padding: 0 28px;
  border: 1.5px solid transparent; border-radius: 4px;
  font-family: inherit; font-size: 16px; font-weight: 700; line-height: 1.4;
  text-decoration: none; text-align: center; cursor: pointer;
}
.btn-primary { background: var(--ruri); color: #fff; }
.btn-primary:hover { background: #1c4a9c; }
.btn-pale { background: var(--pale-btn); color: var(--night); }
.btn-pale:hover { background: #ffffff; }
.btn-ghost { border-color: var(--ruri); color: var(--ruri); min-height: 52px; }
.btn-ghost:hover { background: var(--ruri); color: #fff; }
.btn-ghost-light {
  min-height: 44px; padding: 0 18px; font-size: 14px; font-weight: 500;
  border-color: rgba(255,255,255,0.4); color: var(--on-night);
}
.btn-ghost-light:hover { background: rgba(255,255,255,0.1); }
.btn-row { display: flex; flex-wrap: wrap; gap: 14px; }

/* ---------- site header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 20;
  background: var(--night); color: var(--on-night);
  border-bottom: 1px solid rgba(255,255,255,0.14);
}
.header-inner {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: 0 24px; min-height: 72px;
}
.brand {
  font-family: var(--serif); font-weight: 700; font-size: 18px; letter-spacing: 0.12em;
  color: var(--on-night); text-decoration: none;
}
.menu-btn {
  display: none; align-items: center; min-height: 44px; padding: 0 16px;
  background: transparent; color: var(--on-night);
  border: 1px solid rgba(255,255,255,0.4); border-radius: 4px;
  font: inherit; font-size: 14px; cursor: pointer;
}
.site-nav { display: flex; flex-wrap: wrap; align-items: center; gap: 0 26px; }
.site-nav a.link {
  display: inline-flex; align-items: center; min-height: 44px;
  color: #cfdcf1; text-decoration: none; font-size: 14px;
}
.site-nav a.link:hover { color: #fff; text-decoration: underline; }
.site-nav a[aria-current="page"] { color: #fff; box-shadow: inset 0 -2px 0 #9fc0ff; }

@media (max-width: 900px) {
  .js .menu-btn { display: inline-flex; }
  .js .site-nav { display: none; width: 100%; flex-direction: column; align-items: stretch; gap: 0; padding: 4px 0 20px; }
  .js .site-nav.open { display: flex; }
  .site-nav a.link { min-height: 50px; border-top: 1px solid rgba(255,255,255,0.12); font-size: 15px; }
  .site-nav a[aria-current="page"] { box-shadow: none; color: #9fc0ff; }
  .js .site-nav .btn-ghost-light { margin-top: 14px; }
  .site-nav { padding-bottom: 12px; }
}

/* ---------- page title band (sub pages) ---------- */
.page-hero { background: var(--sky); padding: clamp(40px, 7vw, 88px) 0; }
.page-hero .wrap { display: flex; flex-direction: column; gap: 16px; }
.page-hero h1 {
  font-family: var(--serif); font-weight: 700;
  font-size: clamp(28px, 4.4vw, 48px); line-height: 1.5; letter-spacing: 0.02em; color: var(--indigo);
}
.page-hero p { max-width: 34em; color: #2c4160; }
.page-hero .strong { font-weight: 700; color: var(--ink); }
.stack-l { display: flex; flex-direction: column; gap: clamp(32px, 5vw, 56px); }

/* ---------- hero (top) ---------- */
.hero-body {
  padding: clamp(48px, 9vw, 112px) 0 clamp(56px, 9vw, 112px);
  display: flex; flex-direction: column; gap: clamp(32px, 5vw, 56px);
}
.hero-row {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: clamp(16px, 4vw, 48px);
}
.hero-main { min-width: 0; display: flex; flex-direction: column; gap: clamp(20px, 3vw, 32px); }
.hero h1 {
  font-size: clamp(40px, 9vw, 112px); line-height: 1.15; letter-spacing: 0.04em; color: #fff;
}
.hero-lines {
  display: flex; flex-direction: column; gap: 2px;
  font-size: clamp(15px, 1.6vw, 19px); color: #dbe6f7;
}
.tagline {
  flex: none; writing-mode: vertical-rl;
  font-family: var(--serif); font-weight: 500;
  font-size: clamp(20px, 3.6vw, 40px); line-height: 1.9; letter-spacing: 0.18em;
  color: var(--on-night);
}
.tagline span { display: block; }
.tagline span + span { margin-top: 1.6em; }
.hero-intro { max-width: 34em; font-size: 15px; line-height: 2; color: var(--on-night-muted); }
.hero-cta { display: flex; flex-direction: column; align-items: flex-start; gap: 10px; }
.note { font-size: 13px; line-height: 1.7; color: var(--on-night-muted); }

/* ---------- worries ---------- */
.worries-wrap { display: flex; flex-direction: column; gap: clamp(28px, 5vw, 56px); }
.worries { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 56px; }
.worries li {
  display: flex; align-items: flex-start; gap: 16px;
  padding: 22px 0; border-top: 1px solid var(--line);
  font-size: 17px; line-height: 1.8;
}
.check { flex: none; width: 22px; height: 22px; margin-top: 4px; color: var(--ruri); }

.statement { display: flex; flex-direction: column; gap: 20px; }
.statement .big {
  font-family: var(--serif); font-weight: 700;
  font-size: clamp(26px, 4.4vw, 48px); line-height: 1.5; letter-spacing: 0.02em;
  color: var(--indigo);
}
.statement p:last-child { max-width: 34em; font-size: 17px; line-height: 2; color: #2c4160; }

/* ---------- empathy ---------- */
.empathy { display: flex; flex-wrap: wrap; gap: clamp(32px, 6vw, 72px); align-items: flex-start; }
.empathy > * { flex: 1 1 380px; min-width: 0; }
.empathy .lead { display: flex; flex-direction: column; gap: 24px; }
.empathy .lines { display: flex; flex-direction: column; gap: 4px; color: var(--muted); }
.empathy .panel {
  display: flex; flex-direction: column; gap: 14px;
  background: var(--mist); border-radius: 2px; padding: clamp(24px, 4vw, 44px);
}
.empathy .panel .quiet {
  font-family: var(--serif); font-weight: 700;
  font-size: clamp(19px, 2.2vw, 24px); line-height: 1.7; color: var(--indigo);
}
.empathy .panel span { color: var(--muted); }

/* ---------- media ---------- */
.media-wrap { display: flex; flex-direction: column; gap: clamp(32px, 5vw, 56px); }
.cols { display: flex; flex-wrap: wrap; gap: 40px; }
.cols article {
  flex: 1 1 260px; min-width: 0; display: flex; flex-direction: column; gap: 10px;
  border-top: 2px solid var(--ruri); padding-top: 20px;
}
.cols h3 { font-size: 22px; line-height: 1.5; }
.cols p { font-size: 15px; color: var(--muted); }
.kinds { display: flex; flex-direction: column; gap: 14px; }
.kinds strong { font-weight: 700; }
.chips { display: flex; flex-wrap: wrap; gap: 10px; }
.chips a {
  display: inline-flex; align-items: center; min-height: 44px; padding: 0 20px;
  background: #fff; border: 1px solid #a9bfe0; border-radius: 22px;
  color: var(--indigo); font-size: 15px; text-decoration: none;
}
.chips a:hover { background: var(--sky); }

/* ---------- community ---------- */
.community-wrap { display: flex; flex-direction: column; gap: clamp(40px, 6vw, 72px); }
.community-head { display: flex; flex-direction: column; gap: 16px; }
.community-head p { max-width: 34em; }
.community-head .strong { font-weight: 700; }
.community-head .sub { color: var(--muted); }
.community-grid { display: flex; flex-wrap: wrap; gap: clamp(32px, 5vw, 56px); align-items: flex-start; }
.community-grid > * { flex: 1 1 400px; min-width: 0; }
.facts { display: flex; flex-direction: column; border-bottom: 1px solid var(--line); }
.fact { display: flex; gap: 20px; padding: 18px 0; border-top: 1px solid var(--line); }
.fact dt { flex: none; width: 88px; font-size: 14px; font-weight: 700; color: var(--muted); }
.fact dd { min-width: 0; }
.fact dd.price { font-weight: 700; color: var(--indigo); }
.promise {
  display: flex; flex-direction: column; gap: 22px;
  border-radius: 2px; padding: clamp(24px, 4vw, 44px);
}
.promise h3 { font-size: 22px; line-height: 1.5; color: #fff; }
.promise li {
  display: flex; flex-direction: column; gap: 2px;
  padding-top: 18px; border-top: 1px solid rgba(255,255,255,0.18);
}
.promise li + li { margin-top: 22px; }
.promise strong { font-weight: 700; }
.promise li span { font-size: 14px; line-height: 1.8; color: var(--on-night-muted); }
.flow-wrap { display: flex; flex-direction: column; gap: 28px; max-width: 760px; }
.flow-wrap h2, .flow-wrap h3 { font-size: clamp(22px, 2.8vw, 30px); line-height: 1.5; }
.flow { counter-reset: step; }
.flow li {
  position: relative; display: grid; grid-template-columns: 40px minmax(0, 1fr);
  column-gap: 20px; padding-bottom: 32px;
}
.flow li:last-child { padding-bottom: 0; }
.flow li::before {
  counter-increment: step; content: counter(step);
  width: 40px; height: 40px; border-radius: 50%;
  border: 1.5px solid var(--ruri); color: var(--ruri);
  display: flex; align-items: center; justify-content: center; font-weight: 700;
}
.flow li:not(:last-child)::after {
  content: ''; position: absolute; left: 19.5px; top: 40px; bottom: 0;
  width: 1px; background: var(--line);
}
.step-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
.step-head h4 { font-size: 20px; line-height: 1.6; }
.step-head .min { flex: none; font-size: 13px; color: var(--muted); }
.step-body p { font-size: 15px; color: var(--muted); }
.venue { font-size: 14px; color: var(--muted); }

/* ---------- themes ---------- */
.themes { display: flex; flex-direction: column; gap: 28px; }
.themes-head { display: flex; flex-direction: column; gap: 10px; }
.themes-head h2, .themes-head h3 { font-size: clamp(22px, 2.8vw, 30px); line-height: 1.5; }
.themes-head p { max-width: 34em; color: var(--muted); }
.theme-groups { display: flex; flex-wrap: wrap; gap: 24px; }
.theme-group {
  flex: 1 1 300px; min-width: 0;
  background: var(--mist); border-radius: 2px; padding: clamp(22px, 3vw, 32px);
}
.sec.mist .theme-group { background: #fff; }
.theme-group h3, .theme-group h4 { font-size: 20px; line-height: 1.5; color: var(--indigo); margin-bottom: 8px; }
.theme-group li { display: flex; flex-direction: column; gap: 2px; padding: 14px 0; border-top: 1px solid var(--line); }
.theme-group li strong { font-weight: 700; }
.theme-group li span { font-size: 14px; line-height: 1.8; color: var(--muted); }
.themes-note { font-size: 14px; color: var(--muted); }

/* ---------- about ---------- */
.about { display: flex; flex-wrap: wrap; gap: clamp(28px, 5vw, 56px); align-items: center; }
.photo {
  flex: none; width: 160px; height: 160px; background: #fff; border-radius: 50%;
  object-fit: cover; object-position: 50% 50%; border: 1px solid var(--line);
}
.about-text { flex: 1 1 380px; min-width: 0; display: flex; flex-direction: column; gap: 14px; }
.about-text h2 { font-size: clamp(24px, 3vw, 32px); line-height: 1.5; }
.about-text .name { font-weight: 700; color: var(--indigo); }
.about-text p { max-width: 36em; color: #2c4160; }

/* ---------- faq ---------- */
.faq-wrap { display: flex; flex-direction: column; gap: clamp(28px, 5vw, 48px); }
.faq { max-width: 820px; border-bottom: 1px solid var(--line); }
.qa { display: flex; flex-direction: column; gap: 6px; padding: 24px 0; border-top: 1px solid var(--line); }
.qa h3 { font-size: 18px; line-height: 1.7; color: var(--indigo); }
.qa p { font-size: 15px; color: var(--muted); }

/* ---------- final cta ---------- */
.signup { padding: clamp(64px, 10vw, 128px) 0; }
.signup-grid { display: flex; flex-wrap: wrap; gap: clamp(32px, 6vw, 72px); align-items: center; }
.signup-grid > * { flex: 1 1 380px; min-width: 0; }
.signup-copy { display: flex; flex-direction: column; gap: 18px; }
.signup-copy h2 {
  font-size: clamp(28px, 4.4vw, 48px); line-height: 1.5; letter-spacing: 0.02em; color: #fff;
}
.signup-copy div { display: flex; flex-direction: column; gap: 2px; color: var(--on-night-muted); }
.signup-form {
  display: flex; flex-direction: column; gap: 16px;
  background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.18);
  border-radius: 2px; padding: clamp(24px, 4vw, 40px);
}
.signup-form label.field { font-weight: 700; font-size: 15px; }
.signup-form input[type="email"] {
  width: 100%; min-height: 52px; padding: 0 16px;
  border: 1px solid #a9bfe0; border-radius: 4px;
  font: inherit; font-size: 16px; background: #fff; color: var(--ink);
}
.agree { display: flex; align-items: center; gap: 12px; font-size: 14px; }
.agree input { width: 22px; height: 22px; margin: 0; flex: none; accent-color: var(--ruri); }
.agree a { color: var(--pale-btn); }
.hp { display: none; }
.cta-band { padding: clamp(48px, 8vw, 96px) 0; }
.cta-band .wrap { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 28px 48px; }
.cta-band h2 {
  font-size: clamp(24px, 3.4vw, 36px); line-height: 1.5; color: #fff;
}
.cta-band .copy { display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.cta-band .copy p { color: var(--on-night-muted); max-width: 30em; }

/* ---------- contact form (light) ---------- */
.contact-form {
  display: flex; flex-direction: column; gap: 18px; max-width: 640px;
  background: var(--mist); border-radius: 2px; padding: clamp(24px, 4vw, 40px);
}
.contact-form label.field { font-weight: 700; font-size: 15px; }
.contact-form .opt { font-weight: 400; font-size: 13px; color: var(--muted); margin-left: 8px; }
.contact-form input[type="text"], .contact-form input[type="email"], .contact-form textarea {
  width: 100%; min-height: 52px; padding: 12px 16px;
  border: 1px solid #a9bfe0; border-radius: 4px;
  font: inherit; font-size: 16px; line-height: 1.8; background: #fff; color: var(--ink);
}
.contact-form textarea { min-height: 200px; resize: vertical; }
.contact-form .agree a { color: var(--ruri); }
.contact-form .btn { align-self: flex-start; }

/* ---------- prose (privacy etc.) ---------- */
.prose { max-width: 760px; display: flex; flex-direction: column; gap: 14px; }
.prose h2 { font-size: 22px; line-height: 1.6; color: var(--indigo); margin-top: 28px; }
.prose ul { list-style: disc; padding-left: 1.4em; }
.prose li { margin: 4px 0; }
.prose .meta { font-size: 14px; color: var(--muted); }

/* ---------- footer ---------- */
.site-footer { background: var(--night-deep); color: var(--on-night-muted); padding: 48px 0; }
.footer-top { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 20px 32px; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 4px 24px; font-size: 14px; }
.footer-nav a { display: inline-flex; align-items: center; min-height: 36px; color: #cfdcf1; text-decoration: none; }
.footer-nav a:hover { text-decoration: underline; }
.site-footer .legal { font-size: 13px; line-height: 1.8; }
.site-footer .copy { font-size: 13px; }
.footer-stack { display: flex; flex-direction: column; gap: 24px; }

@media (max-width: 760px) {
  .worries { grid-template-columns: minmax(0, 1fr); }
}

.contact-form legend.field { font-weight: 700; font-size: 15px; padding: 0; }
.contact-form .date-note { margin: 0; font-size: 14px; color: var(--muted); }
.contact-form .date-list { display: flex; flex-wrap: wrap; gap: 8px; }
.contact-form .date-month { flex: 0 0 100%; margin: 10px 0 0; font-weight: 700; color: var(--indigo); }
.contact-form .date-chip { position: relative; }
.contact-form .date-chip input { position: absolute; opacity: 0; inset: 0; width: 100%; height: 100%; margin: 0; cursor: pointer; }
.contact-form .date-chip span { display: inline-flex; align-items: center; min-height: 44px; padding: 0 14px; border: 1px solid #a9bfe0; border-radius: 4px; background: #fff; font-size: 15px; }
.contact-form .date-chip input:checked + span { background: var(--ruri); border-color: var(--ruri); color: #fff; font-weight: 700; }
.contact-form .date-chip input:focus-visible + span { outline: 2px solid var(--ruri); outline-offset: 2px; }
.contact-form select { width: 100%; min-height: 52px; padding: 0 16px; border: 1px solid #a9bfe0; border-radius: 4px; font: inherit; font-size: 16px; background: #fff; color: var(--ink); }
.contact-form .opt-row { display: flex; align-items: center; gap: 10px; min-height: 40px; font-size: 15px; }
.contact-form .opt-row input { width: 20px; height: 20px; margin: 0; flex: none; accent-color: var(--ruri); }