:root {
  --navy: #18314b;
  --green: #17633d;
  --green-dark: #104d31;
  --green-soft: #e7f0df;
  --leaf: #8dbd62;
  --gold: #e6c94d;
  --ink: #283341;
  --muted: #64706d;
  --paper: #fffdf5;
  --line: #dce7d4;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  font: 16px/1.8 -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  background: var(--paper);
}
.shell { max-width: 1160px; margin: auto; padding: 0 30px; }
.brand {
  height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid #e9eddf;
  background: var(--paper);
}
.brand img { display: block; width: 164px; height: auto; }
.header-cta {
  background: var(--green);
  color: white;
  text-decoration: none;
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
  box-shadow: 0 3px 0 var(--green-dark);
}
.hero {
  position: relative;
  overflow: hidden;
  padding: 46px 0 70px;
  background:
    radial-gradient(ellipse at 8% 10%, #f8ed9b6b 0 8%, transparent 30%),
    radial-gradient(ellipse at 92% 12%, #deedcf 0 8%, transparent 31%),
    linear-gradient(180deg, #fffdf4 0%, #fbf8e9 100%);
}
.hero::before, .hero::after {
  content: "";
  position: absolute;
  z-index: 0;
  pointer-events: none;
  border: 2px solid #8fbd6a;
  border-radius: 50%;
  opacity: .45;
}
.hero::before { width: 54px; height: 19px; top: 45px; left: max(18px, calc((100vw - 1260px) / 2)); transform: rotate(-35deg); }
.hero::after { width: 34px; height: 13px; right: max(24px, calc((100vw - 1240px) / 2)); top: 115px; transform: rotate(36deg); }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(420px, .92fr); grid-template-areas: "intro form" "benefits form"; grid-template-rows: auto auto; gap: 20px 36px; align-items: start; }
.hero-copy { grid-area: intro; min-width: 0; padding: 10px 0 0; }
.hero-benefit-area { grid-area: benefits; min-width: 0; }
.entry-form { grid-area: form; align-self: start; min-width: 0; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--green);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .035em;
  margin: 0 0 14px;
}
.hero .eyebrow { padding: 6px 14px; background: #fffefa; border: 1px solid #e2e9d7; border-radius: 999px; box-shadow: 0 3px 10px #455b3010; }
.hero h1 {
  max-width: 670px;
  font-size: clamp(34px, 4vw, 52px);
  line-height: 1.35;
  letter-spacing: .005em;
  margin: 10px 0 12px;
  color: var(--navy);
}
.hero-marker {
  background: linear-gradient(transparent 69%, #f1dc5f 69%, #f1dc5f 88%, transparent 88%);
  padding-bottom: .04em;
}
.sub { font-size: 17px; line-height: 1.7; color: #43554b; margin: 0 0 16px; }
.lead { font-size: 15px; color: #58665d; margin: 0; }
.hero-takeaways { max-width: 650px; margin: 18px 0 0; padding: 15px 17px; border: 1px solid #dbe6cf; border-radius: 16px; background: #fffefa; box-shadow: 0 7px 18px #37442b0b; }
.hero-takeaways>p { margin: 0 0 9px; color: var(--navy); font-size: 14px; font-weight: 900; }
.hero-takeaways ul { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 7px; margin: 0; padding: 0; list-style: none; }
.hero-takeaways li { display: flex; flex-direction: column; min-width: 0; padding: 9px 10px; border-radius: 11px; background: #f2f6e9; }
.hero-takeaways li strong { color: var(--green-dark); font-size: 13px; }
.hero-takeaways li span { color: #58665d; font-size: 11px; line-height: 1.55; }
.hero-takeaways small { display: block; margin-top: 9px; color: var(--muted); font-size: 11px; }
.hero-copy .btn { margin-top: 20px; }
.hero-contents-link { display: inline-flex; align-items: center; min-height: 44px; margin: 8px 0 0 12px; padding: 4px 8px; color: var(--green); font-size: 13px; font-weight: 700; text-underline-offset: 3px; }
.btn {
  display: inline-block;
  background: var(--green);
  color: white;
  padding: 13px 24px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 800;
  letter-spacing: .025em;
  box-shadow: 0 4px 0 var(--green-dark), 0 9px 16px #185b3b20;
  transition: transform .15s ease, box-shadow .15s ease;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 6px 0 var(--green-dark), 0 11px 18px #185b3b25; }
.btn:after { content: "　→"; color: #f3df72; }
.entry-form {
  background: #fffefa;
  padding: 25px;
  border: 2px solid #dbe8d0;
  border-radius: 24px;
  box-shadow: 0 16px 42px #283d261a, inset 0 0 0 5px #fbf9ee;
  scroll-margin-top: 14px;
}
.seminar-benefits { margin-bottom: 20px; padding: 16px 18px; border: 1px solid #d9e6cb; border-radius: 18px; background: #fffefa; box-shadow: 0 5px 18px #283d260c; }
.seminar-benefits .eyebrow { margin-bottom: 5px; }
.seminar-benefits h2 { margin: 0 0 10px; color: var(--navy); font-size: 20px; }
.benefit-cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.benefit-card { min-width: 0; display: flex; align-items: center; gap: 10px; padding: 12px; border-radius: 12px; background: #f2f6e9; }
.benefit-card>span { flex: 0 0 38px; width: 38px; height: 38px; display: grid; place-items: center; border-radius: 50%; background: #fffefa; color: var(--green); font-size: 11px; font-weight: 800; }
.benefit-card h3 { margin: 0; color: var(--navy); font-size: 14px; line-height: 1.5; }
.benefit-card h3 small { display: inline-block; color: var(--muted); font-size: 11px; font-weight: 600; }
.form-heading { padding: 2px 0 10px; }
.form-heading .form-kicker { color: var(--green); font-size: 11px; font-weight: 800; letter-spacing: .07em; margin: 0; }
.form-heading h2 { font-size: 21px; line-height: 1.4; color: var(--navy); margin: 4px 0; }
.form-heading p { font-size: 12px; color: var(--muted); margin: 0 0 8px; }
.form-fieldset { margin: 0; padding: 0; border: 0; }
.form-fieldset legend { font-size: 13px; font-weight: 800; color: var(--navy); margin-bottom: 6px; }
.contact-step-heading { display: flex; align-items: baseline; gap: 8px; margin: 15px 0 8px; padding-top: 13px; border-top: 1px solid #e2e9d8; }
.contact-step-heading strong { color: var(--navy); font-size: 13px; }
.contact-step-heading span { color: var(--muted); font-size: 11px; }
.required-label { font-size: 10px; color: #31523d; background: #e4efce; padding: 2px 6px; border-radius: 999px; white-space: nowrap; }
.session-options { display: grid; grid-template-columns: 1fr 1fr; gap: 7px; }
.session-card { border: 1px solid #dbe5d1; border-radius: 13px; background: #fff; padding: 8px; display: flex; gap: 8px; align-items: center; min-height: 54px; font-size: 12px; line-height: 1.4; cursor: pointer; transition: background .15s, border-color .15s; }
.session-card:hover { background: #f7faef; }
.session-card:has(input:checked) { border-color: var(--green); background: #f1f7e9; box-shadow: 0 0 0 1px var(--green); }
.session-card input { flex: 0 0 auto; width: 18px; height: 18px; margin: 0; accent-color: var(--green); }
.session-card span { display: block; min-width: 0; }
.session-card b { display: block; white-space: nowrap; font-size: 13px; color: var(--navy); }
.selection-note { margin: 5px 0 0; color: var(--green); font-size: 11px; line-height: 1.5; font-weight: 700; }
.session-card.is-closed { color: #87928a; background: #f3f4ef; cursor: not-allowed; }
.loading, .closed-note { grid-column: 1/-1; color: var(--muted); font-size: 12px; margin: 5px; }
.form-fields { display: grid; grid-template-columns: 1fr 1fr; gap: 7px 10px; margin: 12px 0; }
.form-fields label, .optional-details label { font-size: 12px; font-weight: 700; color: var(--navy); }
.form-fields input, .optional-details textarea { display: block; width: 100%; min-height: 44px; border: 1px solid #d3ddce; border-radius: 10px; padding: 7px 10px; background: white; font: inherit; font-size: 16px; margin-top: 3px; }
.form-fields input:focus, .optional-details textarea:focus { outline: 2px solid #8fbd6a; outline-offset: 1px; }
.optional-details, .privacy-details { font-size: 11px; margin: 6px 0; color: #45554b; }
.optional-details summary, .privacy-details summary { cursor: pointer; text-decoration: underline; text-underline-offset: 2px; min-height: 44px; display: flex; align-items: center; }
.privacy-details p { font-size: 11px; line-height: 1.65; }
.consent { min-height: 44px; display: flex; align-items: center; gap: 8px; font-size: 11px; margin: 8px 0; cursor: pointer; }
.consent input { width: 20px; height: 20px; flex: 0 0 20px; accent-color: var(--green); }
.form-submit { width: 100%; border: 0; border-radius: 999px; background: var(--green); color: #fff; padding: 11px; font: inherit; font-size: 15px; font-weight: 800; cursor: pointer; box-shadow: 0 3px 0 var(--green-dark); }
.form-submit:disabled { opacity: .55; cursor: wait; }
.form-disclaimer, .form-message { margin: 7px 0 0; text-align: center; font-size: 11px; color: #526258; }
.form-message { min-height: 20px; font-weight: 700; }
.form-message.is-error, .field-error { color: #a22; }
.field-error { font-size: 11px; min-height: 0; margin: 2px 0 0; }
.form-fields .field-error:empty, .field-error:empty { display: none; }
.honeypot { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.section { padding: 64px 0; }
.section.alt { background: #f5f5e9; }
.section h2 { font-size: 30px; line-height: 1.45; color: var(--navy); margin: 0 0 22px; }
.issue { max-width: 820px; border-left: 4px solid var(--gold); border-radius: 0 16px 16px 0; padding: 18px 24px; background: #fffdf7; box-shadow: 0 7px 25px #37442b0c; }
.points { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 20px; }
.point { border: 1px solid #e0e8d8; border-radius: 17px; padding: 18px; display: flex; gap: 14px; background: #fffefa; box-shadow: 0 5px 16px #38472d0a; }
.num { flex: 0 0 43px; width: 43px; height: 43px; display: grid; place-items: center; border-radius: 50%; background: #edf3dc; color: var(--green); font-family: Georgia, serif; font-size: 18px; }
.point h3 { font-size: 16px; margin: 0 0 4px; color: var(--navy); }
.point p { font-size: 14px; margin: 0; color: var(--muted); }
.outcome { background: var(--green); color: white; border-radius: 22px; padding: 34px 40px; font-size: 22px; line-height: 1.7; box-shadow: 0 10px 26px #20573920; }
.outcome strong { color: #f3df72; }
.overview { display: grid; grid-template-columns: 150px 1fr; border-top: 1px solid #d9e3d1; margin: 0; background: #fffefa; border-radius: 16px; overflow: hidden; }
.overview dt, .overview dd { padding: 14px; margin: 0; border-bottom: 1px solid #e5ebdd; }
.overview dt { color: var(--green); font-weight: 800; }
.speaker-card { max-width: 900px; border: 1px solid #e0e8d8; border-left: 5px solid var(--leaf); border-radius: 18px; padding: 20px 28px 24px; background: #fffefa; box-shadow: 0 8px 24px #37442b0d; }
.speaker-card h3 { font-size: 23px; color: var(--navy); margin: 14px 0 4px; }
.speaker-card h3 small { font-size: 15px; font-weight: 500; }
.speaker-role { font-weight: 700; color: #536b58; }
.speaker-card>p:last-child { color: var(--muted); font-size: 14px; }
.cta-strip { padding: 26px 0; background: #e8efd9; text-align: center; }
.cta-strip p { margin: 0 0 8px; font-weight: 800; color: var(--green); }
.mobile-sticky-cta { display: none; }
.footer { text-align: center; padding: 32px; color: #7a8491; font-size: 12px; background: #f5f5e9; }
.test-mode-banner { margin: 0 0 14px; padding: 11px 13px; border: 1px solid #e2cd91; border-left: 4px solid #b28e31; border-radius: 10px; background: #fff9e9; color: #634e1d; font-size: 12px; line-height: 1.6; font-weight: 700; }
.test-email-hint { display: block; margin-top: 3px; color: #6c5317; font-size: 11px; font-weight: 500; line-height: 1.5; }
.phone-help { display: block; margin-top: 3px; color: var(--muted); font-size: 10px; font-weight: 500; line-height: 1.5; }

/* Expanded seminar details: practical examples, participation steps and FAQs. */
.lead { max-width: 650px; line-height: 1.75; }
.audience-section h2 { max-width: 760px; margin-bottom: 14px; }
.issue-intro,.issue-close { max-width: 780px; color: #45554b; }
.issue-list { display: grid; gap: 9px; max-width: 820px; margin: 22px 0; padding: 0; list-style: none; }
.issue-list li { position: relative; padding: 13px 16px 13px 42px; border: 1px solid #e0e8d8; border-radius: 13px; background: #fffefa; }
.issue-list li::before { content: "✓"; position: absolute; left: 16px; top: 12px; color: var(--green); font-weight: 900; }
.issue-close { margin-bottom: 0; }
.contents-section h2 { max-width: none; }
.contents-section .points { grid-template-columns: repeat(3, minmax(0, 1fr)); max-width: none; }
.contents-cta { margin-top: 24px; padding: 20px 16px; border: 1px solid #d9e6cb; border-radius: 18px; background: #f2f6e9; text-align: center; }
.contents-cta p { margin: 0 0 8px; color: var(--green); font-weight: 800; }
.contents-cta .btn { min-height: 48px; display: inline-flex; align-items: center; justify-content: center; }
.content-point { align-items: flex-start; padding: 23px; display: flex; flex-direction: column; gap: 10px; height: 100%; }
.content-point>div { display: flex; flex: 1; flex-direction: column; min-width: 0; width: 100%; }
.content-point>div>p { margin-bottom: 14px; }
.content-point .example { margin-top: auto; width: 100%; }
.content-point .num { flex-basis: 46px; width: 46px; height: 46px; }
.content-point h3 { font-size: 18px; line-height: 1.55; margin: 0 0 9px; }
.content-point p { font-size: 15px; line-height: 1.85; }
.example { margin-top: 10px; padding: 0 12px; border-left: 3px solid var(--gold); border-radius: 0 10px 10px 0; background: #f8f7eb; }
.example summary { min-height: 44px; display: flex; align-items: center; color: var(--green-dark); font-size: 14px; font-weight: 800; cursor: pointer; list-style: none; }
.example summary::-webkit-details-marker { display: none; }
.example summary::after { content: "+"; margin-left: auto; padding-left: 10px; font-size: 17px; font-weight: 500; }
.example[open] summary::after { content: "−"; }
.example p { padding-bottom: 10px; font-size: 14px; line-height: 1.75; }
.example p+p { margin-top: -4px; }
.outcome-section { padding-top: 64px; }
.outcome { max-width: 940px; }
.outcome .eyebrow { color: #f3df72; }
.outcome h2 { margin: 0 0 12px; color: #fff; font-size: 27px; }
.outcome>p:not(.eyebrow) { margin: 0 0 12px; }
.outcome ul { display: grid; gap: 6px; margin: 12px 0 23px; padding-left: 1.35em; }
.outcome .btn { background: #fffefa; color: var(--green-dark); box-shadow: 0 4px 0 #d4dfc5, 0 9px 16px #12352222; }
.outcome .btn:after { color: var(--green); }
.speaker-section { padding-top: 64px; }
.overview-section .overview { margin-bottom: 30px; }
.participation-flow { max-width: 900px; }
.participation-flow h3 { color: var(--navy); font-size: 20px; margin: 0 0 14px; }
.participation-flow ol { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin: 0; padding: 0; list-style: none; }
.participation-flow li { display: flex; align-items: flex-start; gap: 11px; padding: 16px; border: 1px solid #e0e8d8; border-radius: 15px; background: #fffefa; }
.participation-flow li>span { flex: 0 0 30px; width: 30px; height: 30px; display: grid; place-items: center; border-radius: 50%; background: #edf3dc; color: var(--green); font-weight: 800; }
.participation-flow li strong { color: var(--navy); font-size: 14px; }
.participation-flow li p { margin: 5px 0 0; color: var(--muted); font-size: 12px; line-height: 1.65; }
.faq-section { padding-top: 58px; }
.faq-shell { max-width: 940px; }
.faq-shell h2 { margin-bottom: 20px; }
.faq-list { display: grid; gap: 9px; }
.faq-item { border: 1px solid #dce7d4; border-radius: 14px; background: #fffefa; }
.faq-item summary { position: relative; min-height: 52px; display: flex; align-items: center; padding: 12px 48px 12px 17px; color: var(--navy); font-weight: 800; cursor: pointer; list-style: none; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; position: absolute; right: 17px; color: var(--green); font-size: 22px; font-weight: 500; }
.faq-item[open] summary::after { content: "−"; }
.faq-item>p { margin: 0; padding: 0 17px 17px; color: #536158; font-size: 14px; line-height: 1.8; }
.faq-cta { margin-top: 30px; padding: 24px 18px; border-radius: 18px; background: #edf3df; text-align: center; }
.faq-cta p { margin: 0 0 8px; color: var(--green); font-weight: 800; }

@media (max-width: 960px) {
  .hero-grid { grid-template-columns: minmax(0, 1fr); grid-template-areas: "intro" "form" "benefits"; grid-template-rows: auto; gap: 24px; justify-items: center; }
  .hero-copy { width: min(100%, 760px); padding-top: 0; }
  .entry-form { width: min(100%, 760px); }
  .hero-benefit-area { width: min(100%, 760px); }
  .contents-section .points { grid-template-columns: 1fr; }
  .content-point { flex-direction: row; }
  .content-point .num { flex: 0 0 36px; }
  .benefit-cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .participation-flow ol { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  body { padding-bottom: 80px; }
  .shell { padding: 0 20px; }
  .brand { height: 58px; }
  .brand img { width: 140px; }
  .header-cta { padding: 7px 13px; font-size: 12px; }
  .hero { padding: 29px 0 44px; }
  .hero-grid { grid-template-columns: minmax(0, 1fr); grid-template-areas: "intro" "form" "benefits"; grid-template-rows: auto; gap: 24px; }
  .hero-copy { padding: 0; }
  .hero .eyebrow { font-size: 11px; line-height: 1.5; padding: 6px 11px; }
  .hero h1 { font-size: clamp(31px, 8vw, 37px); line-height: 1.38; margin-top: 12px; }
  .sub { font-size: 15px; }
  .entry-form { padding: 19px; margin-top: 0; border-radius: 19px; }
  .hero-copy .btn { margin-top: 15px; }
  .hero-takeaways { padding: 14px; }
  .hero-takeaways ul { grid-template-columns: 1fr; gap: 6px; }
  .hero-takeaways li { display: grid; grid-template-columns: 90px 1fr; align-items: center; gap: 6px; }
  .contact-step-heading { align-items: flex-start; flex-direction: column; gap: 1px; }
  .hero-contents-link { margin-left: 4px; }
  .content-point { padding: 17px 14px; gap: 10px; }
  .content-point .num { flex-basis: 36px; width: 36px; height: 36px; font-size: 16px; }
  .content-point h3 { font-size: 16px; }
  .benefit-cards { grid-template-columns: 1fr; gap: 8px; }
  .seminar-benefits { margin-bottom: 20px; padding: 16px; }
  .form-fields { grid-template-columns: 1fr; }
  .section { padding: 54px 0; }
  .section h2 { font-size: 25px; }
  .points { grid-template-columns: 1fr; gap: 10px; }
  .outcome { padding: 25px; font-size: 19px; }
  .content-point { padding: 17px 14px; gap: 10px; }
  .content-point .num { flex-basis: 36px; width: 36px; height: 36px; font-size: 16px; }
  .content-point h3 { font-size: 16px; }
  .content-point p { font-size: 14px; }
  .example { padding: 0 12px; }
  .outcome h2 { font-size: 22px; }
  .participation-flow ol { grid-template-columns: 1fr; gap: 8px; }
  .participation-flow li { padding: 13px; }
  .faq-section { padding-top: 43px; }
  .faq-item summary { min-height: 50px; font-size: 14px; }
  .faq-item>p { font-size: 13px; }
  .faq-cta .btn { padding: 12px 16px; font-size: 14px; }
  .contents-cta { padding: 18px 14px; }
  .contents-cta .btn { width: 100%; padding: 12px 14px; text-align: center; }
  .overview { grid-template-columns: 105px 1fr; }
  .session-card { min-height: 52px; font-size: 12px; padding: 8px 6px; }
  .session-card b { font-size: 13px; }
  .mobile-sticky-cta { position: fixed; z-index: 20; left: 0; right: 0; bottom: 0; display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 9px 14px calc(9px + env(safe-area-inset-bottom)); background: #fffefa; border-top: 1px solid #d4e1cb; box-shadow: 0 -4px 16px #1d35521a; transition: transform .2s, opacity .2s; }
  .mobile-sticky-cta div { display: flex; flex-direction: column; font-size: 11px; line-height: 1.4; color: var(--green); }
  .mobile-sticky-cta a { background: var(--green); border-radius: 999px; color: #fff; text-decoration: none; padding: 10px 13px; font-size: 12px; font-weight: 800; }
  .mobile-sticky-cta.is-hidden { transform: translateY(110%); opacity: 0; pointer-events: none; }
  .cta-strip { padding: 24px 0; }
}

@media (max-width: 360px) {
  .shell { padding-left: 16px; padding-right: 16px; }
  .hero .eyebrow { font-size: 10px; }
  .hero h1 { font-size: 30px; }
  .entry-form { padding: 15px; }
  .overview { grid-template-columns: 90px 1fr; font-size: 14px; }
  .overview dt, .overview dd { padding: 11px 9px; }
}

.entry-closed {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 16px;
  text-align: center;
}

.entry-closed h2,
.entry-closed p {
  margin: 0;
}

.entry-closed .btn {
  align-self: center;
  margin-top: 8px;
}