:root {
  --ink: #143b38;
  --green: #0b6b63;
  --aqua: #cceee8;
  --cream: #fff9ed;
  --coral: #ff7b5c;
  --paper: #ffffff;
  --muted: #607874;
  --line: rgba(20, 59, 56, 0.15);
  --shadow: 0 22px 60px rgba(11, 71, 66, 0.12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--cream);
  font-family: "Noto Sans JP", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}
button, input, select { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; text-decoration: none; }

.topbar {
  position: sticky;
  z-index: 20;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  padding: 0 clamp(20px, 5vw, 72px);
  border-bottom: 1px solid rgba(20, 59, 56, 0.08);
  background: rgba(255, 249, 237, 0.9);
  backdrop-filter: blur(16px);
}
.brand { display: flex; align-items: center; gap: 11px; }
.brand-name { font-size: 14px; font-weight: 800; letter-spacing: .03em; line-height: 1.15; }
.brand-name small { display: block; margin-top: 4px; color: var(--green); font: 700 8px/1 "DM Sans", sans-serif; letter-spacing: .12em; }
.brand-mark { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; color: white; background: var(--green); font: 700 17px/1 "DM Sans", sans-serif; }
.top-actions { display: flex; align-items: center; gap: 10px; }
.language-switch { padding: 9px 12px; border: 1px solid var(--line); border-radius: 99px; color: var(--green); background: rgba(255,255,255,.55); font: 700 12px/1 "DM Sans", sans-serif; }
.top-cta { padding: 11px 18px; border-radius: 99px; color: white; background: var(--green); font-size: 13px; font-weight: 700; }
.language-switch:hover { background: white; }
button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible { outline: 3px solid rgba(255,123,92,.6); outline-offset: 3px; }

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(360px, .98fr);
  min-height: 680px;
  overflow: hidden;
  background: var(--cream);
}
.hero-copy { container-type: inline-size; align-self: center; min-width: 0; padding: 80px clamp(28px, 7vw, 110px); padding-right: 30px; }
.eyebrow { margin: 0 0 20px; color: var(--green); font: 700 12px/1.4 "DM Sans", sans-serif; letter-spacing: .18em; }
h1, h2, h3, p { margin-top: 0; }
h1 { margin-bottom: 25px; font-size: clamp(22px, 8.05cqw, 52px); line-height: 1.2; letter-spacing: -.045em; }
.title-line { display: block; white-space: nowrap; }
.title-accent { color: var(--green); }
.lead { max-width: 610px; margin-bottom: 28px; color: var(--muted); font-size: clamp(15px, 1.5vw, 18px); line-height: 2; }
.hero-badges { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 34px; }
.hero-badges span { padding: 8px 13px; border: 1px solid var(--line); border-radius: 99px; background: rgba(255,255,255,.55); font-size: 12px; font-weight: 700; }
.primary-button, .submit-button {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  min-height: 56px;
  padding: 0 24px;
  border: 0;
  border-radius: 9px;
  color: white;
  background: var(--green);
  box-shadow: 0 10px 24px rgba(11,107,99,.2);
  font-weight: 700;
  cursor: pointer;
}
.primary-button:hover, .submit-button:hover { transform: translateY(-1px); filter: brightness(1.06); }

.hero-art { position: relative; display: grid; place-items: center; min-height: 580px; border-bottom-left-radius: 90px; background: var(--aqua); }
.hero-art svg { width: min(620px, 92%); overflow: visible; }
.sun { fill: var(--coral); }
.sky-line { fill: rgba(255,255,255,.43); }
.island { fill: var(--green); }
.sea { fill: #78d3c7; }
.sea-line { fill: none; stroke: white; stroke-width: 4; stroke-linecap: round; opacity: .7; }
.lily { fill: var(--cream); stroke: var(--ink); stroke-width: 3; stroke-linecap: round; stroke-linejoin: round; }
.path-dots { fill: var(--coral); }
.art-note { position: absolute; right: 8%; bottom: 8%; padding: 18px 22px; border-radius: 6px; background: var(--paper); box-shadow: var(--shadow); }
.art-note span { display: block; margin-bottom: 7px; color: var(--coral); font: 700 10px/1 "DM Sans", sans-serif; letter-spacing: .15em; }
.art-note strong { font-size: 13px; line-height: 1.6; }

.local-guide-intro {
  display: grid;
  grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
  gap: clamp(36px, 7vw, 100px);
  align-items: start;
  padding: 72px clamp(20px, 8vw, 130px);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: #effaf7;
}
.local-guide-intro .eyebrow { margin-bottom: 14px; }
.local-guide-intro h2 { max-width: 610px; margin-bottom: 0; font-size: clamp(28px, 3.6vw, 46px); line-height: 1.35; letter-spacing: -.035em; }
.local-guide-copy { max-width: 690px; }
.local-guide-copy p { margin-bottom: 12px; color: var(--muted); font-size: 16px; line-height: 2; }
.local-guide-copy p:last-child { margin-bottom: 0; }

.courses { padding: 120px clamp(20px, 6vw, 92px); background: var(--paper); }
.section-heading { display: grid; grid-template-columns: 1.4fr .6fr; gap: 60px; align-items: end; max-width: 1240px; margin: 0 auto 52px; }
.section-heading h2, .booking-intro h2 { margin-bottom: 0; font-size: clamp(30px, 4vw, 52px); line-height: 1.25; letter-spacing: -.035em; }
.section-heading > p { margin: 0; color: var(--muted); line-height: 1.9; font-size: 14px; }
.course-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; max-width: 1320px; margin: 0 auto; }
.course-card { position: relative; padding: 34px; border: 1px solid var(--line); border-radius: 18px; background: var(--cream); }
.course-card.recommended { border: 2px solid var(--green); background: var(--paper); box-shadow: var(--shadow); transform: translateY(-10px); }
.recommend-label { position: absolute; top: -15px; left: 25px; padding: 6px 14px; border-radius: 99px; color: white; background: var(--coral); font-size: 11px; font-weight: 800; }
.free-label { position: absolute; top: -15px; left: 25px; padding: 6px 14px; border-radius: 99px; color: var(--ink); background: var(--aqua); font-size: 11px; font-weight: 800; }
.cleanup-course { border-color: var(--green); background: linear-gradient(155deg, var(--aqua), var(--cream) 62%); }
.cleanup-course .price-note strong { color: var(--green); font-size: 16px; }
.course-photo { position: relative; height: 165px; margin: 0 0 25px; overflow: hidden; border-radius: 11px; background: var(--aqua); box-shadow: inset 0 0 0 1px rgba(20,59,56,.08); }
.course-photo::after { content: ""; position: absolute; inset: 55% 0 0; background: linear-gradient(transparent, rgba(9,42,39,.42)); }
.course-photo img { display: block; width: 100%; height: 100%; object-fit: cover; }
.course-photo figcaption, .photo-caption { position: absolute; z-index: 2; right: 9px; bottom: 8px; padding: 4px 7px; border-radius: 99px; color: white; background: rgba(9,42,39,.68); font-size: 9px; font-weight: 700; letter-spacing: .04em; }
.photo-entrance img { object-position: center 68%; }
.photo-cleanup img { object-position: center 70%; }
.gallery-track, .gallery-slide { width: 100%; height: 100%; }
.gallery-slide { position: absolute; inset: 0; opacity: 0; transition: opacity .3s ease; }
.gallery-slide.is-active { opacity: 1; }
.course-gallery .photo-caption { right: auto; left: 9px; }
.gallery-controls { position: absolute; z-index: 3; right: 8px; bottom: 7px; display: flex; align-items: center; gap: 5px; }
.gallery-button { display: grid; place-items: center; width: 27px; height: 27px; padding: 0; border: 1px solid rgba(255,255,255,.55); border-radius: 50%; color: white; background: rgba(9,42,39,.7); font-size: 18px; line-height: 1; cursor: pointer; }
.gallery-count { min-width: 34px; color: white; font: 700 9px/1 "DM Sans", sans-serif; text-align: center; text-shadow: 0 1px 3px rgba(0,0,0,.5); }
.course-topline { display: flex; justify-content: space-between; align-items: center; margin-bottom: 28px; color: var(--green); font: 700 13px/1 "DM Sans", sans-serif; }
.duration { padding: 7px 10px; border-radius: 99px; background: var(--aqua); font-family: "Noto Sans JP", sans-serif; }
.course-card h3 { margin-bottom: 12px; font-size: 25px; letter-spacing: -.025em; }
.course-tagline { min-height: 52px; margin-bottom: 22px; color: var(--muted); font-size: 14px; line-height: 1.8; }
.course-card ul { min-height: 108px; margin: 0 0 24px; padding: 0; list-style: none; }
.course-card li { position: relative; margin: 10px 0; padding-left: 21px; font-size: 13px; }
.course-card li::before { content: "✓"; position: absolute; left: 0; color: var(--green); font-weight: 800; }
.price-note { padding-top: 18px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; }
.price-note strong { color: var(--green); font-size: 19px; }
.select-course { width: 100%; min-height: 50px; border: 1px solid var(--green); border-radius: 8px; color: var(--green); background: transparent; font-weight: 700; cursor: pointer; }
.recommended .select-course, .select-course:hover { color: white; background: var(--green); }
.extras-panel { display: grid; grid-template-columns: .8fr 1.2fr; gap: 48px; align-items: center; max-width: 1320px; margin: 58px auto 0; padding: 34px; border-radius: 18px; color: white; background: var(--ink); }
.extras-heading .eyebrow { margin-bottom: 10px; color: var(--aqua); }
.extras-heading h3 { margin-bottom: 8px; font-size: 25px; }
.extras-heading > p:last-child { margin: 0; color: rgba(255,255,255,.65); font-size: 12px; line-height: 1.7; }
.extras-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.extra-item { min-width: 0; overflow: hidden; border: 1px solid rgba(255,255,255,.14); border-radius: 11px; background: rgba(255,255,255,.06); }
.extra-photo { display: block; width: 100%; height: 105px; object-fit: cover; }
.extra-item:nth-child(2) .extra-photo { object-position: center 64%; }
.extra-copy { display: flex; gap: 10px; align-items: flex-start; min-height: 82px; padding: 14px; }
.extra-copy > span { color: var(--aqua); font: 700 11px/1.5 "DM Sans", sans-serif; }
.extra-item strong, .extra-item small { display: block; }
.extra-item strong { margin-bottom: 7px; font-size: 13px; line-height: 1.45; }
.extra-item small { color: rgba(255,255,255,.62); font-size: 10px; line-height: 1.5; }
.extras-caution { grid-column: 1 / -1; margin: 0; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.16); color: rgba(255,255,255,.68); font-size: 11px; line-height: 1.8; }
.reviews-panel { display: grid; grid-template-columns: minmax(0, .78fr) minmax(420px, 1.22fr); gap: clamp(38px, 7vw, 90px); align-items: start; max-width: 1320px; margin: 80px auto 0; padding: clamp(28px, 5vw, 64px); border: 1px solid var(--line); border-radius: 22px; background: var(--cream); }
.reviews-content h3 { margin-bottom: 14px; font-size: clamp(28px, 3.4vw, 46px); letter-spacing: -.035em; }
.reviews-content > p:not(.eyebrow) { color: var(--muted); font-size: 13px; line-height: 1.9; }
.review-empty { display: flex; gap: 14px; align-items: center; margin-top: 30px; padding: 20px; border: 1px dashed rgba(11,107,99,.3); border-radius: 12px; background: white; }
.review-empty > span { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 50%; color: white; background: var(--green); }
.review-empty strong, .review-empty small { display: block; }
.review-empty strong { font-size: 13px; }
.review-empty small { margin-top: 4px; color: var(--muted); font-size: 10px; }
.review-form { padding: clamp(24px, 3vw, 38px); border-radius: 16px; background: white; box-shadow: var(--shadow); }
.review-form > label:not(.checkbox-row), .review-row label, .rating-fieldset legend { display: block; margin: 17px 0 8px; font-size: 12px; font-weight: 700; }
.review-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.rating-fieldset { margin: 0; }
.rating-options { display: grid; grid-template-columns: repeat(5, 1fr); gap: 5px; }
.rating-options label { cursor: pointer; }
.rating-options input { position: absolute; opacity: 0; pointer-events: none; }
.rating-options span { display: grid; place-items: center; min-height: 50px; border: 1px solid var(--line); border-radius: 8px; color: var(--green); font: 700 13px/1 "DM Sans", sans-serif; }
.rating-options input:checked + span { border-color: var(--green); color: white; background: var(--green); }
textarea { width: 100%; padding: 13px 14px; resize: vertical; border: 1px solid var(--line); border-radius: 8px; color: var(--ink); background: white; outline: none; font: inherit; font-size: 13px; line-height: 1.7; }
textarea:focus { border-color: var(--green); box-shadow: 0 0 0 3px rgba(11,107,99,.11); }
.review-consent { margin-top: 18px; }
.review-form .submit-button { width: 100%; margin-top: 24px; }
.send-options { display: grid; gap: 9px; margin-top: 16px; }
.send-options .submit-button { width: 100%; margin-top: 0; }
.send-options > p { margin: 0 0 3px; color: var(--muted); text-align: center; font-size: 12px; font-weight: 700; }
.secondary-button, .text-button { width: 100%; min-height: 48px; border-radius: 8px; font-weight: 700; cursor: pointer; }
.secondary-button { border: 1px solid var(--green); color: var(--green); background: white; }
.text-button { border: 0; color: var(--green); background: transparent; text-decoration: underline; text-underline-offset: 3px; }
.review-send-options { padding-top: 14px; border-top: 1px solid var(--line); }
.review-send-options[hidden] { display: none; }
.review-result { min-height: 18px; margin: 10px 0 0; color: var(--green); text-align: center; font-size: 11px; font-weight: 700; }

.booking-section { display: grid; grid-template-columns: minmax(0, .9fr) minmax(420px, .72fr); gap: clamp(50px, 8vw, 130px); padding: 120px clamp(20px, 8vw, 130px); background: var(--green); color: white; }
.booking-intro { align-self: start; }
.booking-intro .eyebrow { color: var(--aqua); }
.booking-intro > p:not(.eyebrow) { max-width: 590px; margin: 28px 0; color: rgba(255,255,255,.75); line-height: 1.95; }
.calendar-status { display: flex; gap: 14px; align-items: center; padding: 18px 0; border-top: 1px solid rgba(255,255,255,.2); border-bottom: 1px solid rgba(255,255,255,.2); }
.status-dot { width: 11px; height: 11px; border: 3px solid var(--aqua); border-radius: 50%; box-shadow: 0 0 0 4px rgba(204,238,232,.16); }
.calendar-status strong, .calendar-status small { display: block; }
.calendar-status small { margin-top: 4px; color: rgba(255,255,255,.65); font-size: 11px; }
.cleanup-card { display: flex; gap: 18px; margin-top: 40px; padding: 25px; border-radius: 14px; color: var(--ink); background: var(--aqua); }
.cleanup-icon { display: grid; flex: 0 0 auto; place-items: center; width: 44px; height: 44px; border-radius: 50%; color: white; background: var(--coral); font-size: 22px; }
.mini-label { margin: 0 0 5px; color: var(--green); font: 700 10px/1 "DM Sans", sans-serif; letter-spacing: .16em; }
.cleanup-card h3 { margin-bottom: 8px; font-size: 20px; }
.cleanup-card p:last-child { margin: 0; font-size: 12px; line-height: 1.7; }

.booking-form { padding: clamp(24px, 4vw, 42px); border-radius: 20px; color: var(--ink); background: var(--paper); box-shadow: 0 28px 70px rgba(0,0,0,.14); }
.form-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 28px; font-size: 20px; font-weight: 800; }
.step-pill { padding: 5px 10px; border-radius: 99px; color: var(--green); background: var(--aqua); font-size: 11px; }
.booking-form > label:not(.checkbox-row), fieldset legend { display: block; margin: 18px 0 8px; font-size: 12px; font-weight: 700; }
input[type="text"], input[type="email"], input[type="date"], input[type="month"], select { width: 100%; min-height: 50px; padding: 0 14px; border: 1px solid var(--line); border-radius: 8px; color: var(--ink); background: #fff; outline: none; }
input:focus, select:focus { border-color: var(--green); box-shadow: 0 0 0 3px rgba(11,107,99,.11); }
.field-row { display: grid; grid-template-columns: 1.2fr .8fr; gap: 12px; }
.field-row label { display: block; margin: 18px 0 8px; font-size: 12px; font-weight: 700; }
fieldset { margin: 18px 0 4px; padding: 0; border: 0; }
.time-options { display: grid; grid-template-columns: repeat(3, 1fr); gap: 7px; }
.time-options label { cursor: pointer; }
.time-options input { position: absolute; opacity: 0; pointer-events: none; }
.time-options span { display: grid; place-items: center; min-height: 46px; border: 1px solid var(--line); border-radius: 8px; font-size: 12px; font-weight: 700; }
.time-options input:checked + span { border-color: var(--green); color: white; background: var(--green); }
.checkbox-row { display: flex; gap: 11px; align-items: flex-start; margin-top: 16px; cursor: pointer; }
.checkbox-row input { width: 18px; height: 18px; margin-top: 2px; accent-color: var(--green); }
.checkbox-row strong, .checkbox-row small { display: block; }
.checkbox-row strong { font-size: 12px; }
.checkbox-row small { margin-top: 3px; color: var(--muted); font-size: 10px; }
.extras-fieldset { margin-top: 22px; padding-top: 4px; border-top: 1px solid var(--line); }
.booking-form .submit-button { width: 100%; margin-top: 26px; }
.form-footnote { margin: 12px 0 0; color: var(--muted); text-align: center; font-size: 10px; line-height: 1.6; }

dialog { width: min(520px, calc(100% - 28px)); padding: 36px; border: 0; border-radius: 20px; color: var(--ink); box-shadow: 0 30px 100px rgba(0,0,0,.28); }
dialog::backdrop { background: rgba(7,42,39,.65); backdrop-filter: blur(4px); }
.dialog-close { position: absolute; top: 14px; right: 14px; width: 36px; height: 36px; border: 0; border-radius: 50%; background: var(--cream); cursor: pointer; }
dialog h2 { margin-bottom: 22px; font-size: 28px; }
dialog dl { display: grid; grid-template-columns: 110px 1fr; margin: 0; border-top: 1px solid var(--line); }
dialog dt, dialog dd { margin: 0; padding: 11px 0; border-bottom: 1px solid var(--line); font-size: 13px; }
dialog dt { color: var(--muted); }
dialog dd { font-weight: 700; }
.notice-box { margin: 22px 0 0; padding: 16px; border-radius: 10px; background: var(--aqua); }
.notice-box strong { font-size: 13px; }
.notice-box p { margin: 4px 0 0; font-size: 11px; line-height: 1.7; }
dialog .submit-button { width: 100%; }
.dialog-result { min-height: 20px; margin: 12px 0 0; color: var(--green); text-align: center; font-size: 12px; font-weight: 700; }

footer { display: flex; justify-content: space-between; gap: 20px; align-items: center; padding: 34px clamp(20px, 6vw, 92px); color: var(--ink); background: var(--cream); }
footer strong, footer span { display: block; }
footer strong { font: 700 14px/1.5 "DM Sans", sans-serif; }
footer span, footer p { margin: 0; color: var(--muted); font-size: 11px; }

@media (max-width: 920px) {
  .hero { grid-template-columns: 1fr; }
  .hero-copy { padding: 70px clamp(22px, 8vw, 70px) 55px; }
  .hero-art { min-height: 420px; border-bottom-left-radius: 55px; }
  .local-guide-intro { grid-template-columns: 1fr; gap: 24px; }
  .section-heading { grid-template-columns: 1fr; gap: 18px; }
  .course-grid { grid-template-columns: 1fr; gap: 24px; }
  .course-card.recommended { transform: none; }
  .course-tagline, .course-card ul { min-height: 0; }
  .booking-section { grid-template-columns: 1fr; }
  .extras-panel { grid-template-columns: 1fr; gap: 24px; }
  .extras-grid { grid-template-columns: repeat(3, 1fr); }
  .reviews-panel { grid-template-columns: 1fr; }
}

@media (min-width: 921px) and (max-width: 1180px) {
  .course-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 560px) {
  .topbar { height: 62px; padding: 0 16px; }
  .brand { font-size: 10px; }
  .brand-mark { width: 30px; height: 30px; }
  .top-actions { gap: 6px; }
  .language-switch { padding: 8px 9px; font-size: 11px; }
  .top-cta { padding: 10px 13px; }
  .hero { min-height: auto; }
  .hero-copy { padding: 55px 20px 42px; }
  .lead { line-height: 1.85; }
  .hero-art { min-height: 330px; border-bottom-left-radius: 40px; }
  .art-note { right: 16px; bottom: 16px; }
  .local-guide-intro { padding: 58px 20px; }
  .courses, .booking-section { padding: 80px 16px; }
  .course-card { padding: 27px 22px; }
  .extras-panel { padding: 26px 20px; }
  .extras-grid { grid-template-columns: 1fr; }
  .extra-item { min-height: 0; }
  .extra-photo { height: 170px; }
  .reviews-panel { margin-top: 60px; padding: 26px 18px; }
  .review-form { padding: 24px 18px; }
  .review-row { grid-template-columns: 1fr; }
  .booking-section { gap: 42px; }
  .booking-form { padding: 26px 18px; border-radius: 14px; }
  .field-row { grid-template-columns: 1fr; gap: 0; }
  dialog { padding: 30px 20px; }
  dialog dl { grid-template-columns: 88px 1fr; }
  footer { align-items: flex-start; flex-direction: column; }
}

html[lang="en"] body { font-family: "DM Sans", system-ui, sans-serif; }
html[lang="en"] .duration { font-family: "DM Sans", system-ui, sans-serif; }
html[lang="en"] h1 { font-size: clamp(21px, 5.9cqw, 44px); letter-spacing: -.035em; }

@media (max-width: 410px) {
  .brand-name { font-size: 12px; }
  .brand-name small { font-size: 7px; }
  .top-cta { display: none; }
}

@media (prefers-reduced-motion: no-preference) {
  .primary-button, .submit-button, .select-course { transition: transform .2s ease, filter .2s ease, background .2s ease, color .2s ease; }
}