:root {
  --black: #070909;
  --black-2: #0d1110;
  --black-3: #151a18;
  --green: #22d66f;
  --green-bright: #45f28a;
  --green-dark: #0c7139;
  --green-soft: #dffbea;
  --white: #ffffff;
  --off-white: #f4f7f5;
  --ink: #0c110f;
  --muted: #647069;
  --muted-dark: #9ba8a1;
  --line: #dce4df;
  --line-dark: rgba(255,255,255,0.13);
  --shadow: 0 28px 80px rgba(0,0,0,0.13);
  --radius-lg: 30px;
  --radius-md: 20px;
  --radius-sm: 12px;
  --content: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  overflow-x: hidden;
  font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
::selection { background: var(--green); color: var(--black); }

.container { width: min(calc(100% - 48px), var(--content)); margin-inline: auto; }
.skip-link {
  position: fixed; left: 16px; top: -100px; z-index: 9999;
  padding: 10px 16px; border-radius: 999px; background: var(--green); color: var(--black);
  font-weight: 800; transition: top .2s ease;
}
.skip-link:focus { top: 16px; }
.scroll-progress { position: fixed; inset: 0 0 auto; z-index: 2000; height: 3px; background: transparent; }
.scroll-progress span { display: block; width: 0; height: 100%; background: var(--green); box-shadow: 0 0 14px rgba(34,214,111,.8); }

.site-header {
  position: sticky; top: 0; z-index: 1000;
  background: rgba(7,9,9,.88); color: var(--white);
  backdrop-filter: blur(18px); border-bottom: 1px solid rgba(255,255,255,.08);
  transition: background .3s ease, box-shadow .3s ease;
}
.site-header.is-scrolled { background: rgba(7,9,9,.96); box-shadow: 0 14px 40px rgba(0,0,0,.18); }
.header-inner { min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 12px; font-weight: 900; letter-spacing: .02em; }
.brand-mark {
  width: 42px; height: 42px; border-radius: 12px; background: var(--green); color: var(--black);
  display: grid; place-items: center; box-shadow: 0 0 0 1px rgba(255,255,255,.08), 0 8px 24px rgba(34,214,111,.18);
}
.brand-mark svg { width: 25px; height: 25px; }
.brand-text { font-size: .98rem; line-height: 1.25; }
.brand-text small { display: block; color: #8b9891; font-size: .66rem; font-weight: 700; letter-spacing: .06em; }
.nav-list { display: flex; align-items: center; gap: 4px; margin: 0; padding: 0; list-style: none; }
.nav-list a {
  display: inline-flex; align-items: center; min-height: 42px; padding: 8px 13px; border-radius: 999px;
  color: #b8c2bd; font-size: .9rem; font-weight: 800; transition: background .2s ease, color .2s ease, transform .2s ease;
}
.nav-list a:hover, .nav-list a[aria-current="page"] { color: var(--white); background: rgba(255,255,255,.08); }
.nav-list .nav-cta { margin-left: 6px; background: var(--green); color: var(--black); }
.nav-list .nav-cta:hover, .nav-list .nav-cta[aria-current="page"] { background: var(--green-bright); color: var(--black); transform: translateY(-1px); }
.menu-button { display: none; width: 44px; height: 44px; border: 1px solid rgba(255,255,255,.12); border-radius: 12px; background: rgba(255,255,255,.05); color: var(--white); cursor: pointer; }
.menu-button span, .menu-button::before, .menu-button::after { content: ""; display: block; width: 21px; height: 2px; margin: 5px auto; border-radius: 99px; background: currentColor; transition: transform .2s ease, opacity .2s ease; }
.menu-button[aria-expanded="true"] span { opacity: 0; }
.menu-button[aria-expanded="true"]::before { transform: translateY(7px) rotate(45deg); }
.menu-button[aria-expanded="true"]::after { transform: translateY(-7px) rotate(-45deg); }

.hero {
  position: relative; min-height: calc(100svh - 78px); overflow: hidden; display: grid; align-items: center;
  padding: 76px 0 100px; background: var(--black); color: var(--white);
}
.hero-noise { position: absolute; inset: 0; opacity: .13; pointer-events: none; background-image: radial-gradient(rgba(255,255,255,.42) .7px, transparent .7px); background-size: 7px 7px; mask-image: linear-gradient(to bottom, rgba(0,0,0,.8), transparent 85%); }
.hero::before { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(34,214,111,.04) 1px, transparent 1px), linear-gradient(rgba(34,214,111,.04) 1px, transparent 1px); background-size: 72px 72px; mask-image: radial-gradient(circle at 70% 45%, #000 0, transparent 63%); }
.hero-orbit { position: absolute; border-radius: 50%; border: 1px solid rgba(34,214,111,.16); pointer-events: none; will-change: transform; }
.hero-orbit-one { width: 580px; height: 580px; right: -160px; top: -170px; box-shadow: inset 0 0 110px rgba(34,214,111,.03); }
.hero-orbit-two { width: 250px; height: 250px; left: -80px; bottom: -90px; background: rgba(34,214,111,.04); }
.hero-grid { position: relative; z-index: 2; display: grid; grid-template-columns: 1.02fr .98fr; align-items: center; gap: 72px; }
.hero-copy { padding-top: 10px; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px; margin-bottom: 20px; padding: 7px 12px;
  border: 1px solid rgba(34,214,111,.38); border-radius: 999px; background: rgba(34,214,111,.08);
  color: var(--green-bright); font-size: .78rem; font-weight: 900; letter-spacing: .13em; text-transform: uppercase;
}
.eyebrow::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 15px var(--green); }
.hero-title { margin: 0; font-size: clamp(3.25rem, 7.7vw, 7.5rem); line-height: .93; letter-spacing: -.065em; font-weight: 950; }
.hero-title span { display: block; }
.hero-title-small { font-size: .48em; letter-spacing: -.045em; color: var(--white); margin-bottom: .18em; }
.hero-title-accent { color: var(--green); text-shadow: 0 0 60px rgba(34,214,111,.16); }
.hero-lead { max-width: 640px; margin: 30px 0 0; color: #b7c2bc; font-size: 1.05rem; line-height: 1.9; }
.button-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.button {
  display: inline-flex; align-items: center; justify-content: center; gap: 11px; min-height: 52px; padding: 12px 22px;
  border: 1px solid transparent; border-radius: 999px; font-weight: 900; cursor: pointer;
  transition: transform .25s ease, box-shadow .25s ease, background .25s ease, border-color .25s ease;
}
.button:hover { transform: translateY(-3px); }
.button-primary { background: var(--green); color: var(--black); box-shadow: 0 16px 38px rgba(34,214,111,.19); }
.button-primary:hover { background: var(--green-bright); box-shadow: 0 20px 50px rgba(34,214,111,.24); }
.button-secondary { border-color: var(--line); background: var(--white); color: var(--ink); }
.button-ghost { border-color: rgba(255,255,255,.17); background: rgba(255,255,255,.04); color: var(--white); }
.button-ghost:hover { background: rgba(255,255,255,.09); border-color: rgba(255,255,255,.28); }
.button-light { background: var(--white); color: var(--black); }
.hero-meta { display: flex; align-items: center; gap: 12px; margin-top: 28px; color: #89968f; font-size: .78rem; font-weight: 800; letter-spacing: .08em; }
.hero-meta i { width: 3px; height: 3px; border-radius: 50%; background: var(--green); }

.hero-stage { position: relative; min-height: 540px; border: 1px solid rgba(255,255,255,.11); border-radius: 36px; background: linear-gradient(145deg, rgba(255,255,255,.07), rgba(255,255,255,.02)); box-shadow: inset 0 1px 0 rgba(255,255,255,.08), 0 40px 100px rgba(0,0,0,.25); overflow: hidden; }
.hero-stage::before { content: ""; position: absolute; width: 310px; height: 310px; left: 50%; top: 50%; transform: translate(-50%,-50%); border-radius: 50%; background: radial-gradient(circle, rgba(34,214,111,.22), rgba(34,214,111,.035) 52%, transparent 70%); filter: blur(5px); }
.stage-grid { position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px); background-size: 42px 42px; mask-image: linear-gradient(to bottom, transparent, #000 18%, #000 82%, transparent); }
.person-card { position: absolute; width: 190px; min-height: 220px; padding: 20px; border-radius: 24px; background: rgba(12,17,15,.9); border: 1px solid rgba(255,255,255,.13); backdrop-filter: blur(14px); z-index: 3; will-change: transform; }
.person-card strong { display: block; margin-top: 16px; font-size: 1.04rem; line-height: 1.55; }
.person-student { left: 42px; bottom: 78px; transform: rotate(-4deg); }
.person-teacher { right: 42px; top: 74px; transform: rotate(4deg); }
.person-label { color: var(--green); font-size: .68rem; font-weight: 900; letter-spacing: .17em; }
.person-avatar { width: 78px; height: 78px; display: grid; place-items: center; margin-top: 22px; border-radius: 50%; background: var(--green); color: var(--black); font-size: 1.65rem; font-weight: 950; box-shadow: 0 0 40px rgba(34,214,111,.24); }
.person-teacher .person-avatar { margin-left: auto; background: var(--white); }
.lesson-line { position: absolute; left: 29%; right: 29%; top: 50%; height: 2px; transform: rotate(-19deg); background: linear-gradient(90deg, transparent, var(--green), transparent); z-index: 2; }
.lesson-line::before, .lesson-line::after { content: ""; position: absolute; top: 50%; width: 12px; height: 12px; border: 2px solid var(--green); border-radius: 50%; transform: translateY(-50%); background: var(--black); box-shadow: 0 0 18px rgba(34,214,111,.8); }
.lesson-line::before { left: 12%; } .lesson-line::after { right: 12%; }
.lesson-line span { position: absolute; left: 50%; top: 50%; width: 74px; height: 74px; transform: translate(-50%,-50%); border: 1px solid rgba(34,214,111,.46); border-radius: 50%; animation: pulse-ring 2.8s ease-out infinite; }
.lesson-badge { position: absolute; left: 50%; top: 50%; z-index: 4; transform: translate(-50%,-50%); width: 132px; height: 132px; display: grid; align-content: center; place-items: center; border-radius: 50%; background: var(--green); color: var(--black); box-shadow: 0 0 0 12px rgba(34,214,111,.07), 0 0 60px rgba(34,214,111,.25); }
.lesson-badge span { font-size: .54rem; font-weight: 950; letter-spacing: .1em; }
.lesson-badge strong { font-size: 1.3rem; }
.mini-card { position: absolute; z-index: 5; padding: 10px 14px; border: 1px solid rgba(255,255,255,.13); border-radius: 999px; background: rgba(7,9,9,.83); color: #d7dfdb; font-size: .72rem; font-weight: 800; backdrop-filter: blur(12px); }
.mini-card-top { left: 32px; top: 34px; } .mini-card-bottom { right: 34px; bottom: 30px; }
.scroll-cue { position: absolute; z-index: 5; left: 50%; bottom: 24px; display: flex; flex-direction: column; align-items: center; gap: 7px; transform: translateX(-50%); color: #738079; font-size: .62rem; font-weight: 900; letter-spacing: .18em; }
.scroll-cue i { width: 1px; height: 38px; background: linear-gradient(var(--green), transparent); animation: scroll-line 1.8s ease-in-out infinite; }

.statement-section { padding: 128px 0; background: var(--white); }
.statement-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(280px, .95fr); gap: clamp(32px, 5vw, 72px); align-items: start; }
.statement-number { color: var(--green); font-size: 4.8rem; line-height: 1; font-weight: 950; letter-spacing: -.08em; }
.kicker { margin: 0 0 12px; color: var(--green-dark); font-weight: 900; letter-spacing: .13em; text-transform: uppercase; font-size: .76rem; }
.statement-title { margin: 0; max-width: 650px; font-size: clamp(2.3rem, 5vw, 4.7rem); line-height: 1.16; letter-spacing: -.055em; overflow-wrap: normal; word-break: normal; }
.statement-title span { color: var(--green-dark); }
.statement-copy { padding-top: 34px; color: var(--muted); }
.statement-copy p { margin: 0 0 18px; }

.section { padding: 104px 0; }
.section-dark { background: var(--black); color: var(--white); }
.section-soft { background: var(--off-white); }
.section-heading { max-width: 780px; margin-bottom: 44px; }
.section-heading.center { margin-inline: auto; text-align: center; }
.section-heading h2 { margin: 0; font-size: clamp(2.1rem, 4.7vw, 4.25rem); line-height: 1.17; letter-spacing: -.05em; }
.section-heading p { margin: 17px 0 0; color: var(--muted); }
.section-dark .section-heading p { color: var(--muted-dark); }
.section-dark .kicker { color: var(--green); }
.split-heading { max-width: none; display: grid; grid-template-columns: 1fr .72fr; gap: 60px; align-items: end; }
.split-heading > p { max-width: 520px; margin-bottom: 10px; }

.feature-section { position: relative; overflow: hidden; }
.feature-section::after { content: ""; position: absolute; right: -200px; top: 10%; width: 500px; height: 500px; border-radius: 50%; background: rgba(34,214,111,.06); filter: blur(10px); }
.feature-list { position: relative; z-index: 1; border-top: 1px solid var(--line-dark); }
.feature-row { display: grid; grid-template-columns: 80px 1fr 60px; gap: 28px; align-items: center; padding: 34px 8px; border-bottom: 1px solid var(--line-dark); transition: background .25s ease, padding .25s ease; }
.feature-row:hover { background: rgba(34,214,111,.05); padding-inline: 20px; }
.feature-index { color: var(--green); font-size: .8rem; font-weight: 950; letter-spacing: .12em; }
.feature-row h3 { margin: 0 0 7px; font-size: clamp(1.45rem, 2.6vw, 2.15rem); }
.feature-row p { margin: 0; color: var(--muted-dark); }
.feature-symbol { justify-self: end; width: 42px; height: 42px; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.14); border-radius: 50%; color: var(--green); font-size: 1.25rem; }

.subjects-section { background: var(--off-white); }
.course-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px,1fr)); gap: 18px; }
.course-grid-home { grid-template-columns: repeat(5,1fr); }
.course-card { position: relative; min-height: 290px; display: flex; flex-direction: column; justify-content: space-between; overflow: hidden; padding: 26px; border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--white); box-shadow: 0 16px 38px rgba(0,0,0,.05); transition: transform .3s ease, box-shadow .3s ease, background .3s ease, color .3s ease; }
.course-card::after { content: ""; position: absolute; right: -45px; bottom: -70px; width: 150px; height: 150px; border-radius: 50%; background: var(--green-soft); transition: transform .35s ease, background .35s ease; }
.course-card:hover { transform: translateY(-8px); background: var(--black); color: var(--white); box-shadow: 0 28px 55px rgba(0,0,0,.16); }
.course-card:hover::after { transform: scale(1.25); background: rgba(34,214,111,.14); }
.course-card > * { position: relative; z-index: 1; }
.course-number { color: #aeb8b2; font-size: .72rem; font-weight: 900; letter-spacing: .12em; }
.course-card .subject { margin-top: 42px; font-size: 1.7rem; font-weight: 950; color: var(--green-dark); }
.course-card:hover .subject { color: var(--green); }
.course-card p { margin: 12px 0; color: var(--muted); font-size: .9rem; }
.course-card:hover p { color: var(--muted-dark); }
.tag-list { display: flex; flex-wrap: wrap; gap: 7px; margin: 0; padding: 0; list-style: none; }
.tag-list li { padding: 5px 9px; border-radius: 999px; background: var(--green-soft); color: var(--green-dark); font-size: .72rem; font-weight: 900; }
.course-card:hover .tag-list li { background: rgba(34,214,111,.12); color: var(--green-bright); }
.center-action { display: flex; justify-content: center; margin-top: 38px; }
.text-link { display: inline-flex; align-items: center; gap: 10px; padding-bottom: 5px; border-bottom: 1px solid var(--ink); font-weight: 900; }

.split { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 64px; }
.guidance-section { overflow: hidden; }
.guidance-grid { grid-template-columns: .9fr 1.1fr; }
.guidance-visual { position: relative; min-height: 500px; display: grid; place-items: center; border: 1px solid var(--line-dark); border-radius: 34px; background: radial-gradient(circle at center, rgba(34,214,111,.12), transparent 56%); overflow: hidden; }
.guidance-word { position: absolute; top: 26px; left: 28px; color: rgba(255,255,255,.16); font-size: clamp(2.8rem, 7vw, 6rem); font-weight: 950; letter-spacing: -.05em; writing-mode: vertical-rl; }
.guidance-ring { position: absolute; border: 1px solid rgba(34,214,111,.24); border-radius: 50%; }
.ring-one { width: 360px; height: 360px; animation: slow-spin 20s linear infinite; }
.ring-one::before, .ring-two::before { content: ""; position: absolute; width: 12px; height: 12px; border-radius: 50%; background: var(--green); box-shadow: 0 0 20px var(--green); }
.ring-one::before { left: 42px; top: 56px; }
.ring-two { width: 240px; height: 240px; border-style: dashed; animation: slow-spin 14s linear infinite reverse; }
.ring-two::before { right: 20px; bottom: 54px; background: var(--white); box-shadow: none; }
.guidance-center { position: relative; z-index: 2; width: 150px; height: 150px; display: grid; place-items: center; border-radius: 50%; background: var(--green); color: var(--black); text-align: center; font-size: 2rem; line-height: 1.2; font-weight: 950; box-shadow: 0 0 60px rgba(34,214,111,.22); }
.check-list { display: grid; gap: 14px; margin: 28px 0 0; padding: 0; list-style: none; }
.check-list li { position: relative; padding: 15px 18px 15px 50px; border: 1px solid rgba(255,255,255,.11); border-radius: 13px; color: #d7dfdb; }
.check-list li::before { content: ""; position: absolute; left: 18px; top: 50%; width: 17px; height: 17px; transform: translateY(-50%); border: 2px solid var(--green); border-radius: 50%; box-shadow: inset 0 0 0 4px var(--black); background: var(--green); }
.section:not(.section-dark) .check-list li { border-color: var(--line); color: var(--ink); }
.section:not(.section-dark) .check-list li::before { box-shadow: inset 0 0 0 4px var(--white); }

.cta-section { background: var(--white); }
.cta-band { position: relative; overflow: hidden; padding: 62px; display: flex; align-items: flex-end; justify-content: space-between; gap: 38px; border-radius: 32px; background: var(--green); color: var(--black); box-shadow: var(--shadow); }
.cta-band::after { content: ""; position: absolute; right: -90px; top: -130px; width: 370px; height: 370px; border: 1px solid rgba(0,0,0,.17); border-radius: 50%; box-shadow: 0 0 0 42px rgba(0,0,0,.035), 0 0 0 84px rgba(0,0,0,.025); }
.cta-band > * { position: relative; z-index: 1; }
.cta-band .kicker { color: rgba(0,0,0,.62); }
.cta-band h2 { margin: 0; font-size: clamp(2rem, 4.4vw, 4.1rem); line-height: 1.12; letter-spacing: -.055em; }
.cta-band p { margin: 14px 0 0; color: rgba(0,0,0,.67); }

.page-hero { position: relative; overflow: hidden; padding: 88px 0 70px; background: var(--black); color: var(--white); }
.page-hero::after { content: ""; position: absolute; right: -90px; top: -160px; width: 420px; height: 420px; border: 1px solid rgba(34,214,111,.16); border-radius: 50%; box-shadow: 0 0 0 70px rgba(34,214,111,.025); }
.page-hero .container { position: relative; z-index: 1; }
.page-hero h1 { margin: 0; font-size: clamp(2.7rem, 6vw, 5.4rem); line-height: 1.08; letter-spacing: -.055em; }
.page-hero h1 span { color: var(--green); }
.page-hero p { max-width: 720px; margin: 18px 0 0; color: var(--muted-dark); font-size: 1.05rem; }
.notice { padding: 20px 22px; border: 1px solid #bfe9d0; border-radius: var(--radius-sm); background: var(--green-soft); color: #07572b; }
.notice strong { display: block; margin-bottom: 4px; }

.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; }
.card { padding: 28px; border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--white); box-shadow: 0 16px 38px rgba(0,0,0,.06); }
.card-icon { width: 50px; height: 50px; display: grid; place-items: center; margin-bottom: 18px; border-radius: 14px; background: var(--green); color: var(--black); font-size: 1.3rem; font-weight: 950; }
.card h3 { margin: 0 0 10px; font-size: 1.2rem; }
.card p { margin: 0; color: var(--muted); }
.image-panel { min-height: 390px; position: relative; overflow: hidden; border-radius: var(--radius-lg); background: var(--black); box-shadow: var(--shadow); }
.image-panel .pattern { position: absolute; inset: 0; background-image: radial-gradient(rgba(34,214,111,.23) 1px, transparent 1px); background-size: 22px 22px; }
.image-panel-content { position: relative; z-index: 1; min-height: 390px; display: flex; flex-direction: column; justify-content: flex-end; padding: 34px; color: var(--white); }
.image-panel-content strong { font-size: 2rem; }
.image-panel-content p { margin: 8px 0 0; color: var(--muted-dark); }

.teacher-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 28px; }
.teacher-card { overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--white); box-shadow: var(--shadow); }
.teacher-photo { min-height: 260px; display: grid; place-items: center; position: relative; overflow: hidden; background: var(--black); }
.teacher-photo::before, .teacher-photo::after { content: ""; position: absolute; border: 1px solid rgba(34,214,111,.24); border-radius: 50%; }
.teacher-photo::before { width: 210px; height: 210px; top: -60px; right: -50px; }
.teacher-photo::after { width: 140px; height: 140px; bottom: -40px; left: -30px; }
.avatar { width: 132px; height: 132px; display: grid; place-items: center; position: relative; z-index: 1; border-radius: 50%; background: var(--green); color: var(--black); font-size: 2.5rem; font-weight: 950; box-shadow: 0 0 50px rgba(34,214,111,.22); }
.teacher-body { padding: 28px; }
.teacher-role { color: var(--green-dark); font-weight: 900; font-size: .82rem; }
.teacher-body h2 { margin: 4px 0 14px; font-size: 1.7rem; }
.teacher-body p { color: var(--muted); }
.info-list { display: grid; gap: 0; margin: 0; }
.info-list div { display: grid; grid-template-columns: 120px 1fr; gap: 20px; padding: 18px 0; border-bottom: 1px solid var(--line); }
.info-list dt { font-weight: 900; color: var(--green-dark); }
.info-list dd { margin: 0; }
.map-frame { width: 100%; min-height: 420px; border: 0; border-radius: var(--radius-lg); box-shadow: var(--shadow); filter: grayscale(.72) contrast(1.05); }

.contact-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 34px; align-items: start; }
.contact-box { padding: 30px; border-radius: var(--radius-md); background: var(--black); color: var(--white); }
.contact-box h2 { margin-top: 0; }
.contact-box p { color: var(--muted-dark); }
.contact-box .contact-line { padding: 14px 0; border-bottom: 1px solid var(--line-dark); }
.contact-form { padding: 32px; border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--white); box-shadow: var(--shadow); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { display: grid; gap: 8px; }
.field.full { grid-column: 1/-1; }
.field label { font-weight: 900; }
.required { margin-left: 6px; color: #b51d3f; font-size: .72rem; }
.field input, .field select, .field textarea { width: 100%; padding: 13px 14px; border: 1px solid #cbd5cf; border-radius: 12px; background: #fafcfb; color: var(--ink); outline: none; transition: border-color .2s ease, box-shadow .2s ease; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--green); box-shadow: 0 0 0 4px rgba(34,214,111,.13); }
.field textarea { min-height: 150px; resize: vertical; }
.form-note { margin-top: 14px; color: var(--muted); font-size: .84rem; }
.form-status { display: none; margin-top: 16px; padding: 12px 14px; border-radius: 10px; background: var(--green-soft); color: #07572b; font-weight: 800; }
.form-status.is-visible { display: block; }

.site-footer { padding: 52px 0 28px; background: #050706; color: var(--white); border-top: 1px solid rgba(255,255,255,.08); }
.footer-grid { display: grid; grid-template-columns: 1.2fr .8fr .8fr; gap: 36px; }
.footer-heading { margin: 0 0 12px; font-size: 1rem; }
.footer-text, .footer-links a, .footer-bottom { color: #909d96; }
.footer-links { display: grid; gap: 8px; }
.footer-links a:hover { color: var(--green); }
.footer-bottom { margin-top: 38px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.1); font-size: .8rem; }

.reveal { opacity: 0; transform: translateY(30px); transition: opacity .82s cubic-bezier(.2,.65,.2,1), transform .82s cubic-bezier(.2,.65,.2,1); }
.reveal-left { transform: translateX(-34px); }
.reveal-right { transform: translateX(34px); }
.reveal-delay-1 { transition-delay: .12s; }
.reveal-delay-2 { transition-delay: .24s; }
.reveal-delay-3 { transition-delay: .36s; }
.reveal.is-visible { opacity: 1; transform: none; }

@keyframes pulse-ring { 0% { transform: translate(-50%,-50%) scale(.55); opacity: .9; } 100% { transform: translate(-50%,-50%) scale(1.45); opacity: 0; } }
@keyframes scroll-line { 0%,100% { transform: scaleY(.35); transform-origin: top; opacity: .35; } 50% { transform: scaleY(1); opacity: 1; } }
@keyframes slow-spin { to { transform: rotate(360deg); } }

@media (max-width: 1060px) {
  .course-grid-home { grid-template-columns: repeat(3,1fr); }
  .hero-grid { gap: 40px; }
  .hero-stage { min-height: 500px; }
  .person-card { width: 168px; }
}

@media (max-width: 920px) {
  .menu-button { display: block; }
  .site-nav { position: absolute; top: calc(100% + 1px); left: 0; right: 0; display: none; padding: 14px 22px 22px; background: rgba(7,9,9,.98); border-bottom: 1px solid rgba(255,255,255,.08); box-shadow: 0 20px 38px rgba(0,0,0,.28); }
  .site-nav.is-open { display: block; }
  .nav-list { align-items: stretch; flex-direction: column; }
  .nav-list a { justify-content: center; }
  .nav-list .nav-cta { margin-left: 0; }
  .hero { min-height: auto; padding-top: 64px; }
  .hero-grid, .split, .contact-layout { grid-template-columns: 1fr; }
  .hero-stage { width: min(100%, 620px); margin-top: 16px; }
  .statement-grid { grid-template-columns: 1fr; gap: 28px; }
  .statement-copy { grid-column: auto; padding-top: 0; }
  .split-heading { grid-template-columns: 1fr; gap: 12px; }
  .feature-row { grid-template-columns: 58px 1fr 44px; }
  .course-grid-home { grid-template-columns: repeat(2,1fr); }
  .grid-3, .footer-grid { grid-template-columns: 1fr; }
  .teacher-grid { grid-template-columns: 1fr; }
  .cta-band { align-items: flex-start; flex-direction: column; }
  .guidance-visual { min-height: 430px; }
}

@media (max-width: 620px) {
  .container { width: min(calc(100% - 28px), var(--content)); }
  .header-inner { min-height: 68px; }
  .brand-mark { width: 38px; height: 38px; }
  .brand-text { font-size: .84rem; }
  .brand-text small { display: none; }
  .hero { padding: 54px 0 86px; }
  .hero-title { font-size: clamp(3.15rem, 17vw, 5.2rem); }
  .hero-title-small { font-size: .42em; }
  .hero-lead { font-size: .95rem; margin-top: 24px; }
  .button-row .button { width: 100%; }
  .hero-meta { justify-content: center; }
  .hero-stage { min-height: 430px; border-radius: 26px; }
  .person-card { width: 148px; min-height: 188px; padding: 16px; }
  .person-student { left: 16px; bottom: 48px; }
  .person-teacher { right: 16px; top: 48px; }
  .person-avatar { width: 60px; height: 60px; margin-top: 15px; font-size: 1.3rem; }
  .person-card strong { font-size: .84rem; }
  .lesson-badge { width: 104px; height: 104px; }
  .lesson-badge strong { font-size: 1.05rem; }
  .mini-card { display: none; }
  .scroll-cue { display: none; }
  .statement-section, .section { padding: 76px 0; }
  .statement-grid { grid-template-columns: 1fr; gap: 22px; }
  .statement-number { font-size: 3.4rem; }
  .statement-copy { grid-column: auto; }
  .statement-title { font-size: 2.45rem; }
  .feature-row { grid-template-columns: 40px 1fr; gap: 15px; padding: 26px 2px; }
  .feature-symbol { display: none; }
  .course-grid-home, .course-grid { grid-template-columns: 1fr; }
  .course-card { min-height: 250px; }
  .cta-band { padding: 34px 24px; border-radius: 24px; }
  .guidance-visual { min-height: 360px; }
  .ring-one { width: 280px; height: 280px; }
  .ring-two { width: 190px; height: 190px; }
  .guidance-center { width: 126px; height: 126px; font-size: 1.65rem; }
  .page-hero { padding: 70px 0 56px; }
  .page-hero h1 { font-size: 2.7rem; }
  .form-grid { grid-template-columns: 1fr; }
  .field.full { grid-column: auto; }
  .info-list div { grid-template-columns: 1fr; gap: 6px; }
  .contact-form, .card { padding: 22px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}

/* ===== Responsive refinements (PC / tablet / smartphone) ===== */
@media (min-width: 921px) {
  .site-nav { display: block !important; }
  .hero-copy { min-width: 0; }
  .hero-title, .section-heading h2, .page-hero h1 { overflow-wrap: anywhere; }
  .statement-title { overflow-wrap: normal; word-break: normal; }
}

@media (max-width: 1180px) {
  .container { width: min(calc(100% - 40px), var(--content)); }
  .header-inner { gap: 16px; }
  .nav-list a { padding-inline: 10px; font-size: .84rem; }
  .hero-grid { grid-template-columns: minmax(0, 1fr) minmax(420px, .9fr); gap: 34px; }
  .hero-title { font-size: clamp(3.25rem, 7vw, 6.2rem); }
  .person-card { width: 158px; }
  .person-student { left: 24px; }
  .person-teacher { right: 24px; }
}

@media (max-width: 920px) {
  body.menu-open { overflow: hidden; }
  .site-header { position: sticky; }
  .site-nav { max-height: calc(100dvh - 69px); overflow-y: auto; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-copy { max-width: 760px; }
  .hero-stage { justify-self: center; }
  .course-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .contact-layout { gap: 28px; }
  .map-frame { min-height: 360px; }
}

@media (max-width: 740px) {
  .container { width: min(calc(100% - 32px), var(--content)); }
  .hero-title { font-size: clamp(3rem, 15vw, 5rem); }
  .hero-stage { min-height: 390px; }
  .person-card { width: 138px; min-height: 174px; padding: 14px; }
  .person-student { left: 14px; bottom: 38px; }
  .person-teacher { right: 14px; top: 40px; }
  .person-avatar { width: 56px; height: 56px; }
  .lesson-badge { width: 96px; height: 96px; }
  .lesson-badge strong { font-size: .98rem; }
  .course-grid, .course-grid-home { grid-template-columns: 1fr; }
  .teacher-grid { gap: 20px; }
  .teacher-photo { min-height: 220px; }
  .footer-grid { gap: 26px; }
}

@media (max-width: 520px) {
  .container { width: min(calc(100% - 24px), var(--content)); }
  .header-inner { min-height: 64px; }
  .brand { gap: 9px; min-width: 0; }
  .brand-mark { flex: 0 0 auto; width: 35px; height: 35px; border-radius: 10px; }
  .brand-text { min-width: 0; font-size: .78rem; white-space: nowrap; }
  .menu-button { flex: 0 0 auto; width: 42px; height: 42px; }
  .site-nav { top: 100%; padding: 12px 14px 18px; }
  .nav-list a { min-height: 48px; font-size: .95rem; }

  .hero { padding: 44px 0 72px; }
  .eyebrow { margin-bottom: 16px; font-size: .68rem; letter-spacing: .09em; }
  .hero-title { font-size: clamp(2.7rem, 16.5vw, 4.35rem); line-height: .98; }
  .hero-title-small { font-size: .44em; line-height: 1.2; }
  .hero-lead { font-size: .92rem; line-height: 1.8; }
  .button { min-height: 50px; padding-inline: 17px; }
  .hero-meta { flex-wrap: wrap; gap: 8px 10px; font-size: .72rem; }

  .hero-stage { min-height: 330px; border-radius: 22px; }
  .person-card { width: 116px; min-height: 150px; padding: 12px; border-radius: 17px; }
  .person-label { font-size: .54rem; letter-spacing: .12em; }
  .person-avatar { width: 46px; height: 46px; margin-top: 10px; font-size: 1.05rem; }
  .person-card strong { margin-top: 10px; font-size: .7rem; line-height: 1.45; }
  .person-student { left: 8px; bottom: 28px; }
  .person-teacher { right: 8px; top: 30px; }
  .lesson-badge { width: 80px; height: 80px; }
  .lesson-badge span { font-size: .42rem; }
  .lesson-badge strong { font-size: .86rem; }
  .lesson-line { left: 22%; right: 22%; }

  .statement-section, .section { padding: 64px 0; }
  .statement-title, .section-heading h2 { font-size: clamp(2rem, 10.5vw, 2.8rem); }
  .section-heading { margin-bottom: 32px; }
  .feature-row { padding-block: 22px; }
  .feature-row h3 { font-size: 1.35rem; }
  .course-card { min-height: 228px; padding: 22px; }
  .course-card .subject { margin-top: 28px; }
  .guidance-visual { min-height: 310px; border-radius: 24px; }
  .guidance-word { font-size: 2.6rem; }
  .ring-one { width: 235px; height: 235px; }
  .ring-two { width: 165px; height: 165px; }
  .guidance-center { width: 108px; height: 108px; font-size: 1.4rem; }
  .cta-band { padding: 30px 20px; }
  .cta-band h2 { font-size: 2rem; }
  .page-hero { padding: 56px 0 46px; }
  .page-hero h1 { font-size: 2.35rem; }
  .page-hero p { font-size: .95rem; }
  .teacher-body, .contact-box, .contact-form { padding: 20px; }
  .teacher-body h2 { font-size: 1.45rem; }
  .avatar { width: 108px; height: 108px; font-size: 2rem; }
  .map-frame { min-height: 300px; border-radius: 20px; }
  .footer-bottom { margin-top: 28px; }
}

@media (max-width: 360px) {
  .brand-text { font-size: .72rem; }
  .hero-title { font-size: 2.7rem; }
  .hero-stage { min-height: 300px; }
  .person-card { width: 105px; }
  .lesson-badge { width: 70px; height: 70px; }
  .lesson-badge strong { font-size: .76rem; }
}

@media (max-height: 620px) and (orientation: landscape) {
  .hero { min-height: auto; padding-block: 48px 72px; }
  .hero-stage { min-height: 360px; }
}


/* ===== Summer course special page ===== */
.nav-list .nav-seasonal {
  color: var(--green-bright);
  border: 1px solid rgba(34,214,111,.24);
  background: rgba(34,214,111,.055);
}
.nav-list .nav-seasonal:hover,
.nav-list .nav-seasonal[aria-current="page"] {
  color: var(--black);
  border-color: var(--green);
  background: var(--green);
}

.summer-promo-section { padding: 26px 0; background: var(--off-white); }
.summer-promo {
  position: relative; overflow: hidden; display: grid;
  grid-template-columns: auto 1fr auto auto; align-items: center; gap: 20px;
  min-height: 94px; padding: 22px 28px; border: 1px solid rgba(34,214,111,.34);
  border-radius: 22px; background: var(--black); color: var(--white);
  box-shadow: 0 18px 50px rgba(0,0,0,.12); transition: transform .25s ease, border-color .25s ease;
}
.summer-promo::before {
  content: ""; position: absolute; width: 260px; height: 260px; right: -80px; top: -130px;
  border-radius: 50%; border: 1px solid rgba(34,214,111,.28); box-shadow: 0 0 0 34px rgba(34,214,111,.035);
}
.summer-promo:hover { transform: translateY(-3px); border-color: var(--green); }
.summer-promo > * { position: relative; z-index: 1; }
.summer-promo-label { color: var(--green); font-size: .72rem; font-weight: 950; letter-spacing: .15em; }
.summer-promo strong { font-size: clamp(1.15rem,2.2vw,1.7rem); letter-spacing: -.03em; }
.summer-promo-status { padding: 6px 12px; border-radius: 999px; background: rgba(255,255,255,.08); color: #b9c4be; font-size: .78rem; font-weight: 800; }
.summer-promo-arrow { color: var(--green); font-size: 1.4rem; }

.summer-hero {
  position: relative; overflow: hidden; min-height: calc(100svh - 78px); display: grid; align-items: center;
  padding: 88px 0 104px; background: var(--black); color: var(--white);
}
.summer-hero::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(circle at 74% 42%, rgba(34,214,111,.16), transparent 27%),
              linear-gradient(135deg, rgba(34,214,111,.04), transparent 48%);
}
.summer-hero-grid { position: absolute; inset: 0; opacity: .52; background-image: linear-gradient(rgba(34,214,111,.045) 1px, transparent 1px), linear-gradient(90deg, rgba(34,214,111,.045) 1px, transparent 1px); background-size: 64px 64px; mask-image: linear-gradient(to bottom, #000, transparent 94%); }
.summer-sun { position: absolute; border-radius: 50%; pointer-events: none; border: 1px solid rgba(34,214,111,.23); will-change: transform; }
.summer-sun-one { width: 560px; height: 560px; right: -190px; top: -190px; box-shadow: inset 0 0 120px rgba(34,214,111,.035), 0 0 0 70px rgba(34,214,111,.018); }
.summer-sun-two { width: 230px; height: 230px; left: -80px; bottom: -80px; background: rgba(34,214,111,.035); }
.summer-hero-inner { position: relative; z-index: 2; display: grid; grid-template-columns: minmax(0,1.05fr) minmax(360px,.72fr); gap: clamp(42px,7vw,100px); align-items: center; }
.summer-season { display: inline-block; color: var(--green); font-size: .8rem; font-weight: 950; letter-spacing: .19em; }
.summer-status { display: inline-flex; margin: 0 0 0 14px; padding: 6px 12px; border: 1px solid rgba(255,255,255,.13); border-radius: 999px; color: #aab6b0; font-size: .76rem; font-weight: 900; }
.summer-hero h1 { margin: 24px 0 0; font-size: clamp(3.5rem,8.1vw,7.4rem); line-height: .93; letter-spacing: -.07em; }
.summer-hero h1 span { color: var(--green); }
.summer-hero-lead { max-width: 660px; margin: 30px 0 0; color: #b7c2bc; font-size: 1.05rem; line-height: 1.95; }
.summer-hero-panel { position: relative; overflow: hidden; min-height: 440px; display: flex; flex-direction: column; justify-content: flex-end; padding: clamp(28px,4vw,48px); border: 1px solid rgba(255,255,255,.12); border-radius: 34px; background: linear-gradient(155deg, rgba(255,255,255,.085), rgba(255,255,255,.025)); box-shadow: inset 0 1px 0 rgba(255,255,255,.08), 0 38px 90px rgba(0,0,0,.25); }
.summer-hero-panel::before { content: "夏"; position: absolute; top: -55px; right: -20px; color: rgba(34,214,111,.075); font-size: 15rem; line-height: 1; font-weight: 950; }
.summer-panel-en { position: absolute; left: 34px; top: 30px; color: var(--green); font-size: .72rem; font-weight: 950; letter-spacing: .18em; }
.summer-hero-panel strong { position: relative; font-size: clamp(2rem,3.7vw,3.3rem); line-height: 1.24; letter-spacing: -.055em; }
.summer-panel-line { position: relative; width: 66px; height: 3px; margin: 24px 0; background: var(--green); }
.summer-hero-panel p { position: relative; margin: 0; color: #b5c0ba; }
.summer-panel-note { position: relative; margin-top: 28px; color: #748079; font-size: .67rem; font-weight: 900; letter-spacing: .14em; }

.summer-info-section { background: var(--white); }
.summer-info-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 20px; margin-top: 48px; }
.summer-info-card { position: relative; min-height: 250px; padding: 28px; border: 1px solid var(--line); border-radius: 24px; background: var(--off-white); }
.summer-info-index { position: absolute; right: 24px; top: 20px; color: #b3beb8; font-size: .75rem; font-weight: 950; letter-spacing: .1em; }
.summer-info-card p { margin: 48px 0 8px; color: var(--green-dark); font-size: .82rem; font-weight: 950; letter-spacing: .08em; }
.summer-info-card strong { display: block; font-size: clamp(2rem,4vw,3.15rem); letter-spacing: -.06em; }
.summer-info-card small { display: block; margin-top: 12px; color: var(--muted); }

.summer-plan-section { position: relative; overflow: hidden; }
.summer-plan-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 20px; margin-top: 50px; }
.summer-plan-card { min-height: 330px; padding: 30px; border: 1px solid rgba(255,255,255,.12); border-radius: 24px; background: rgba(255,255,255,.035); }
.summer-plan-card > span { color: var(--green); font-size: .7rem; font-weight: 950; letter-spacing: .15em; }
.summer-plan-card h3 { margin: 50px 0 12px; font-size: 1.75rem; }
.summer-plan-card p { margin: 0 0 48px; color: var(--muted-dark); }
.summer-placeholder-line { height: 12px; margin-top: 13px; border-radius: 99px; background: rgba(255,255,255,.075); }
.summer-placeholder-line.short { width: 64%; }

.summer-update-section { background: var(--off-white); }
.summer-update-card { position: relative; overflow: hidden; display: flex; align-items: flex-end; justify-content: space-between; gap: 42px; padding: clamp(34px,6vw,70px); border-radius: 32px; background: var(--green); color: var(--black); box-shadow: var(--shadow); }
.summer-update-card::after { content: ""; position: absolute; width: 390px; height: 390px; right: -120px; top: -170px; border: 1px solid rgba(0,0,0,.16); border-radius: 50%; box-shadow: 0 0 0 48px rgba(0,0,0,.03); }
.summer-update-card > * { position: relative; z-index: 1; }
.summer-update-card .kicker { color: rgba(0,0,0,.58); }
.summer-update-card h2 { margin: 0; font-size: clamp(2rem,4.5vw,4.1rem); line-height: 1.12; letter-spacing: -.06em; }
.summer-update-card p { max-width: 650px; margin: 16px 0 0; color: rgba(0,0,0,.65); }

@media (max-width: 1060px) {
  .summer-hero-inner { grid-template-columns: 1fr .74fr; gap: 38px; }
  .summer-hero-panel { min-height: 400px; }
}

@media (max-width: 920px) {
  .summer-hero { min-height: auto; }
  .summer-hero-inner { grid-template-columns: 1fr; }
  .summer-hero-panel { min-height: 360px; }
  .summer-info-grid, .summer-plan-grid { grid-template-columns: 1fr; }
  .summer-info-card { min-height: 210px; }
  .summer-update-card { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 620px) {
  .summer-promo { grid-template-columns: 1fr auto; gap: 6px 12px; padding: 20px; }
  .summer-promo-label { grid-column: 1 / -1; }
  .summer-promo-status { grid-column: 1; justify-self: start; margin-top: 5px; }
  .summer-promo-arrow { grid-column: 2; grid-row: 2 / 4; align-self: center; }
  .summer-hero { padding: 66px 0 82px; }
  .summer-season { display: block; }
  .summer-status { margin: 12px 0 0; }
  .summer-hero h1 { margin-top: 22px; font-size: clamp(3.4rem,17vw,5.5rem); }
  .summer-hero-lead { font-size: .95rem; }
  .summer-hero-panel { min-height: 330px; padding: 26px; border-radius: 26px; }
  .summer-hero-panel::before { font-size: 11rem; }
  .summer-panel-en { left: 26px; top: 24px; }
  .summer-info-grid, .summer-plan-grid { margin-top: 34px; }
  .summer-info-card, .summer-plan-card { padding: 24px; }
  .summer-plan-card { min-height: 280px; }
  .summer-plan-card h3 { margin-top: 38px; }
  .summer-update-card { padding: 34px 24px; border-radius: 24px; }
  .summer-update-card .button { width: 100%; }
}

/* ===== Light green theme refresh ===== */
:root {
  --black: #173f2d;
  --black-2: #24543e;
  --black-3: #32684f;
  --green: #43b978;
  --green-bright: #69cf96;
  --green-dark: #246d4b;
  --green-soft: #e8f7ee;
  --white: #ffffff;
  --off-white: #f5fbf7;
  --ink: #173b2b;
  --muted: #61786c;
  --muted-dark: #71877c;
  --line: #d7e9df;
  --line-dark: #c9e2d4;
  --shadow: 0 24px 68px rgba(48, 111, 78, .12);
}

body {
  background: #fbfefc;
  color: var(--ink);
}

::selection { background: #bdebd0; color: var(--ink); }

.site-header,
.site-header.is-scrolled {
  background: rgba(255, 255, 255, .94);
  color: var(--ink);
  border-bottom-color: rgba(36, 109, 75, .12);
  box-shadow: 0 10px 36px rgba(48, 111, 78, .08);
}

.brand-mark {
  color: #fff;
  box-shadow: 0 8px 24px rgba(67, 185, 120, .22);
}
.brand-text small { color: #779087; }
.nav-list a { color: #557064; }
.nav-list a:hover,
.nav-list a[aria-current="page"] {
  color: var(--green-dark);
  background: var(--green-soft);
}
.nav-list .nav-cta,
.nav-list .nav-cta:hover,
.nav-list .nav-cta[aria-current="page"] {
  color: #fff;
  background: var(--green);
}
.menu-button {
  border-color: var(--line);
  background: var(--green-soft);
  color: var(--green-dark);
}

.hero {
  background:
    radial-gradient(circle at 82% 28%, rgba(105, 207, 150, .28), transparent 28%),
    linear-gradient(135deg, #f7fcf9 0%, #edf9f2 54%, #ffffff 100%);
  color: var(--ink);
}
.hero-noise {
  opacity: .16;
  background-image: radial-gradient(rgba(36, 109, 75, .34) .7px, transparent .7px);
}
.hero::before {
  background:
    linear-gradient(90deg, rgba(67, 185, 120, .08) 1px, transparent 1px),
    linear-gradient(rgba(67, 185, 120, .08) 1px, transparent 1px);
}
.hero-title-small { color: var(--ink); }
.hero-title-accent { color: var(--green-dark); text-shadow: none; }
.hero-lead { color: var(--muted); }
.eyebrow {
  border-color: rgba(67, 185, 120, .34);
  background: rgba(255, 255, 255, .72);
  color: var(--green-dark);
}
.button-primary { color: #fff; }
.button-ghost {
  border-color: #bddfcd;
  background: rgba(255, 255, 255, .72);
  color: var(--green-dark);
}
.button-ghost:hover { background: #fff; border-color: var(--green); }
.hero-meta { color: #617c6f; }
.scroll-cue { color: #618071; }

.hero-stage {
  border-color: #cce5d7;
  background: rgba(255,255,255,.66);
  box-shadow: inset 0 1px 0 #fff, 0 34px 80px rgba(48,111,78,.12);
}
.stage-grid {
  background-image:
    linear-gradient(rgba(36,109,75,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(36,109,75,.06) 1px, transparent 1px);
}
.person-card {
  background: rgba(255,255,255,.94);
  border-color: #d3e8dc;
  color: var(--ink);
  box-shadow: 0 18px 46px rgba(48,111,78,.12);
}
.person-teacher .person-avatar { background: #eaf7ef; color: var(--green-dark); }
.lesson-line::before,
.lesson-line::after { background: #fff; }
.mini-card {
  border-color: #d3e8dc;
  background: rgba(255,255,255,.92);
  color: var(--green-dark);
}

.statement-section,
.cta-section,
.summer-info-section { background: #fff; }
.section-soft,
.subjects-section,
.summer-promo-section,
.summer-update-section { background: var(--off-white); }
.section-dark {
  background: #edf8f2;
  color: var(--ink);
}
.section-dark .section-heading p,
.feature-row p,
.summer-plan-card p { color: var(--muted); }
.section-dark .kicker { color: var(--green-dark); }

.feature-section::after { background: rgba(67,185,120,.14); }
.feature-list,
.feature-row { border-color: var(--line); }
.feature-row:hover { background: rgba(255,255,255,.72); }
.feature-index { color: var(--green-dark); }
.feature-symbol {
  border-color: #bcdccb;
  background: #fff;
  color: var(--green-dark);
}

.course-card { box-shadow: 0 16px 38px rgba(48,111,78,.07); }
.course-card:hover {
  background: #e4f5eb;
  color: var(--ink);
  box-shadow: 0 24px 50px rgba(48,111,78,.14);
}
.course-card:hover::after { background: rgba(67,185,120,.22); }
.course-card:hover .subject { color: var(--green-dark); }
.course-card:hover p { color: var(--muted); }
.course-card:hover .tag-list li {
  background: #fff;
  color: var(--green-dark);
}

.guidance-visual {
  border-color: #c9e3d5;
  background: radial-gradient(circle at center, rgba(67,185,120,.22), rgba(255,255,255,.7) 58%, transparent 72%);
}
.guidance-word { color: rgba(36,109,75,.12); }
.ring-two::before { background: #fff; }
.check-list li,
.section-dark .check-list li {
  border-color: #cfe5d8;
  background: rgba(255,255,255,.64);
  color: var(--ink);
}
.check-list li::before,
.section-dark .check-list li::before { box-shadow: inset 0 0 0 4px #fff; }

.cta-band,
.summer-update-card {
  background: linear-gradient(135deg, #60c98e, #43b978);
  color: #fff;
  box-shadow: 0 24px 64px rgba(48,111,78,.18);
}
.cta-band::after,
.summer-update-card::after {
  border-color: rgba(255,255,255,.34);
  box-shadow: 0 0 0 42px rgba(255,255,255,.06), 0 0 0 84px rgba(255,255,255,.035);
}
.cta-band .kicker,
.summer-update-card .kicker,
.cta-band p,
.summer-update-card p { color: rgba(255,255,255,.82); }
.button-light { background: #fff; color: var(--green-dark); }

.page-hero {
  background:
    radial-gradient(circle at 86% 15%, rgba(105,207,150,.3), transparent 24%),
    linear-gradient(135deg, #edf9f2, #ffffff);
  color: var(--ink);
}
.page-hero p { color: var(--muted); }
.page-hero::after { border-color: rgba(67,185,120,.24); box-shadow: 0 0 0 70px rgba(67,185,120,.05); }

.card,
.teacher-card,
.contact-form,
.image-panel {
  background: linear-gradient(145deg, #dff3e7, #f8fcfa);
  border: 1px solid var(--line);
}
.image-panel-content { color: var(--ink); }
.image-panel-content p { color: var(--muted); }
.teacher-photo {
  background: linear-gradient(145deg, #dff3e7, #f8fcfa);
}
.contact-box {
  background: #e7f6ed;
  color: var(--ink);
  border: 1px solid var(--line);
}
.contact-box p { color: var(--muted); }
.contact-box .contact-line { border-color: #cce3d6; }
.map-frame { filter: none; }

.site-footer {
  background: #e5f4eb;
  color: var(--ink);
  border-top-color: #cfe4d8;
}
.footer-text,
.footer-links a,
.footer-bottom { color: #60796c; }
.footer-bottom { border-top-color: #c8dfd2; }

.nav-list .nav-seasonal {
  color: var(--green-dark);
  border-color: #b9ddc9;
  background: #edf8f2;
}
.nav-list .nav-seasonal:hover,
.nav-list .nav-seasonal[aria-current="page"] {
  color: #fff;
  border-color: var(--green);
  background: var(--green);
}
.summer-promo {
  border-color: #b8ddc8;
  background: #fff;
  color: var(--ink);
  box-shadow: 0 18px 50px rgba(48,111,78,.1);
}
.summer-promo-status { background: var(--green-soft); color: var(--green-dark); }
.summer-promo-label,
.summer-promo-arrow { color: var(--green-dark); }

.summer-hero {
  background:
    radial-gradient(circle at 76% 34%, rgba(105,207,150,.32), transparent 28%),
    linear-gradient(135deg, #f5fbf7 0%, #e8f7ee 56%, #fff 100%);
  color: var(--ink);
}
.summer-hero::before {
  background: radial-gradient(circle at 74% 42%, rgba(67,185,120,.17), transparent 27%),
              linear-gradient(135deg, rgba(67,185,120,.08), transparent 48%);
}
.summer-hero-grid {
  background-image:
    linear-gradient(rgba(36,109,75,.065) 1px, transparent 1px),
    linear-gradient(90deg, rgba(36,109,75,.065) 1px, transparent 1px);
}
.summer-season { color: var(--green-dark); }
.summer-status {
  border-color: #bfdcca;
  background: rgba(255,255,255,.7);
  color: #5f796b;
}
.summer-hero-lead { color: var(--muted); }
.summer-hero-panel {
  border-color: #c7e2d3;
  background: rgba(255,255,255,.7);
  box-shadow: inset 0 1px 0 #fff, 0 30px 78px rgba(48,111,78,.13);
}
.summer-hero-panel strong { color: var(--ink); }
.summer-hero-panel p { color: var(--muted); }
.summer-panel-note { color: #72897e; }
.summer-plan-card {
  border-color: #cce3d6;
  background: rgba(255,255,255,.7);
}
.summer-plan-card > span { color: var(--green-dark); }
.summer-placeholder-line { background: #d9ebe1; }

@media (max-width: 920px) {
  .site-nav {
    background: rgba(255,255,255,.98);
    border-bottom-color: var(--line);
    box-shadow: 0 20px 38px rgba(48,111,78,.14);
  }
}


/* ===== Summer banner / notice bar refresh ===== */
.site-alert {
  position: relative;
  z-index: 1001;
  background: linear-gradient(90deg, #fff0a8 0%, #ffd97d 34%, #ffeab9 58%, #cbf2bb 100%);
  border-bottom: 1px solid #f0d27a;
}
.site-alert::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 1px;
  background: linear-gradient(90deg, rgba(255,255,255,.72), rgba(255,255,255,0));
}
.site-alert-link {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  min-height: 52px;
  padding: 10px 0;
  color: #35543f;
  text-align: center;
  font-weight: 800;
}
.site-alert-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(255,255,255,.55);
  color: #b86a18;
  font-size: .76rem;
  font-weight: 950;
  letter-spacing: .11em;
}
.site-alert-link strong {
  font-size: .98rem;
  letter-spacing: .01em;
  color: #244734;
}
.site-alert-text {
  color: #547162;
  font-size: .9rem;
}
.site-alert-arrow {
  font-size: 1rem;
  color: #c26d18;
  transition: transform .2s ease;
}
.site-alert-link:hover .site-alert-arrow { transform: translateX(3px); }

.summer-promo-section {
  padding: 30px 0;
  background: linear-gradient(180deg, #fffef8 0%, #f4fbf4 100%);
}
.summer-promo.summer-promo-large {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(250px, .85fr);
  gap: 22px;
  align-items: stretch;
  padding: clamp(24px, 3vw, 38px);
  border: 1px solid #f0d690;
  border-radius: 32px;
  background: linear-gradient(135deg, #fff9df 0%, #fff3c5 42%, #edfbe9 100%);
  box-shadow: 0 26px 64px rgba(190, 145, 52, .16);
  overflow: hidden;
}
.summer-promo.summer-promo-large::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 16% 18%, rgba(255,255,255,.92), transparent 24%),
              radial-gradient(circle at 82% 16%, rgba(255,214,87,.3), transparent 20%),
              linear-gradient(180deg, rgba(255,255,255,.16), rgba(255,255,255,0));
  pointer-events: none;
}
.summer-promo-copy,
.summer-promo-visual { position: relative; z-index: 1; }
.summer-promo-copy { display: flex; flex-direction: column; justify-content: center; }
.summer-promo-label {
  color: #c06f18;
  font-size: .78rem;
  font-weight: 950;
  letter-spacing: .18em;
}
.summer-promo.summer-promo-large strong {
  margin-top: 12px;
  font-size: clamp(1.9rem, 4vw, 3.15rem);
  line-height: 1.12;
  letter-spacing: -.05em;
  color: #214835;
}
.summer-promo.summer-promo-large p {
  max-width: 32em;
  margin: 16px 0 0;
  color: #5c7067;
  font-size: 1rem;
  line-height: 1.85;
}
.summer-promo-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  align-self: flex-start;
  margin-top: 24px;
  padding: 12px 18px;
  border-radius: 999px;
  background: linear-gradient(135deg, #ffb652, #ff8d5b);
  color: #fff;
  font-weight: 900;
  box-shadow: 0 14px 28px rgba(255, 141, 91, .28);
}
.summer-promo-visual {
  min-height: 220px;
  border-radius: 26px;
  background: linear-gradient(180deg, rgba(255,255,255,.48), rgba(255,255,255,.16));
  border: 1px solid rgba(255,255,255,.6);
  overflow: hidden;
}
.summer-promo-sun {
  position: absolute;
  width: 120px;
  height: 120px;
  right: 28px;
  top: 26px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, #fff9d3 0%, #ffd34f 48%, #ffbc38 100%);
  box-shadow: 0 0 0 16px rgba(255, 211, 79, .18), 0 0 48px rgba(255, 188, 56, .26);
}
.summer-promo-cloud {
  position: absolute;
  border-radius: 999px;
  background: rgba(255,255,255,.92);
  box-shadow: 28px 4px 0 0 rgba(255,255,255,.92), 54px -4px 0 0 rgba(255,255,255,.92), 16px 12px 0 8px rgba(255,255,255,.92);
  height: 22px;
}
.summer-promo-cloud-one { width: 60px; left: 34px; top: 42px; }
.summer-promo-cloud-two { width: 74px; left: 108px; top: 78px; transform: scale(.92); opacity: .95; }
.summer-promo-wave {
  position: absolute;
  left: -10%;
  right: -10%;
  border-radius: 48% 52% 0 0 / 100% 100% 0 0;
}
.summer-promo-wave-one {
  bottom: 60px;
  height: 90px;
  background: rgba(130, 215, 155, .72);
}
.summer-promo-wave-two {
  bottom: 0;
  height: 110px;
  background: rgba(70, 190, 114, .88);
}
.summer-promo-status {
  position: absolute;
  left: 24px;
  bottom: 22px;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(255,255,255,.88);
  color: #2d6545;
  font-size: .78rem;
  font-weight: 900;
}
.summer-promo-mini {
  position: absolute;
  right: 22px;
  bottom: 20px;
  color: rgba(255,255,255,.95);
  text-align: right;
  font-size: 1.2rem;
  line-height: 1.45;
  font-weight: 950;
  letter-spacing: .03em;
}

@media (max-width: 920px) {
  .site-alert-link {
    flex-wrap: wrap;
    gap: 8px 12px;
    min-height: 58px;
    padding: 10px 0 12px;
  }
  .site-alert-link strong { width: 100%; font-size: .94rem; }
  .site-alert-text { font-size: .84rem; }

  .summer-promo.summer-promo-large {
    grid-template-columns: 1fr;
    padding: 24px;
    border-radius: 26px;
  }
  .summer-promo.summer-promo-large p { font-size: .95rem; }
  .summer-promo-visual { min-height: 190px; }
}

@media (max-width: 640px) {
  .site-alert-badge { font-size: .7rem; }
  .site-alert-link { gap: 7px 10px; }
  .site-alert-link strong { font-size: .88rem; }
  .site-alert-text { width: 100%; font-size: .8rem; }
  .site-alert-arrow { display: none; }

  .summer-promo-section { padding: 24px 0; }
  .summer-promo.summer-promo-large strong { font-size: clamp(1.7rem, 8vw, 2.25rem); }
  .summer-promo-cta { width: 100%; justify-content: center; }
  .summer-promo-visual { min-height: 170px; }
  .summer-promo-sun { width: 92px; height: 92px; right: 16px; top: 18px; }
  .summer-promo-cloud-one { left: 20px; top: 26px; transform: scale(.78); }
  .summer-promo-cloud-two { left: 76px; top: 56px; transform: scale(.72); }
  .summer-promo-status { left: 16px; bottom: 14px; font-size: .72rem; }
  .summer-promo-mini { right: 16px; bottom: 14px; font-size: 1rem; }
}


/* ===== Summer promo photo ===== */
.summer-promo-visual {
  min-height: 280px;
}
.summer-promo-photo {
  position: absolute;
  right: 8px;
  bottom: -6px;
  height: 112%;
  width: auto;
  max-width: none;
  z-index: 3;
  object-fit: contain;
  filter: drop-shadow(0 22px 26px rgba(70, 116, 88, .22));
}
.summer-promo-mini,
.summer-promo-status { z-index: 4; }
.summer-promo-mini { text-shadow: 0 3px 10px rgba(45, 101, 69, .16); }

@media (max-width: 920px) {
  .summer-promo-visual { min-height: 240px; }
  .summer-promo-photo { height: 122%; right: 50%; transform: translateX(46%); }
}

@media (max-width: 640px) {
  .summer-promo-visual { min-height: 210px; }
  .summer-promo-photo { height: 118%; right: 50%; transform: translateX(42%); }
  .summer-promo-mini { font-size: .92rem; line-height: 1.4; }
}


/* ===== Summer promo premium redesign ===== */
.summer-promo.summer-promo-premium {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(300px, .98fr);
  align-items: center;
  gap: clamp(18px, 3vw, 42px);
  padding: clamp(28px, 4vw, 44px);
  border: 1px solid #ead9a4;
  border-radius: 34px;
  background:
    radial-gradient(circle at 12% 18%, rgba(255,255,255,.92), transparent 24%),
    linear-gradient(135deg, #fff8df 0%, #fff1c4 34%, #f4faea 74%, #edf9f2 100%);
  box-shadow: 0 26px 64px rgba(182, 153, 78, .14);
  overflow: hidden;
}
.summer-promo.summer-promo-premium::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(110deg, rgba(255,255,255,.22), transparent 48%);
  pointer-events: none;
}
.summer-promo.summer-promo-premium .summer-promo-copy,
.summer-promo.summer-promo-premium .summer-promo-visual {
  position: relative;
  z-index: 1;
}
.summer-promo.summer-promo-premium .summer-promo-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #c4731f;
  font-size: .77rem;
  font-weight: 950;
  letter-spacing: .18em;
}
.summer-promo.summer-promo-premium .summer-promo-label::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: linear-gradient(135deg, #ffcf58, #ff9d44);
  box-shadow: 0 0 0 6px rgba(255, 196, 74, .18);
}
.summer-promo-title {
  margin: 18px 0 0;
  font-size: clamp(2.3rem, 4.9vw, 4rem);
  line-height: 1.05;
  letter-spacing: -.06em;
  color: #234433;
}
.summer-promo-title span { color: var(--green-dark); }
.summer-promo.summer-promo-premium p {
  max-width: 34em;
  margin: 16px 0 0;
  color: #5c7067;
  font-size: 1rem;
  line-height: 1.85;
}
.summer-promo-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 14px;
  margin-top: 26px;
}
.summer-promo.summer-promo-premium .summer-promo-status {
  position: static;
  padding: 9px 14px;
  border-radius: 999px;
  background: rgba(255,255,255,.72);
  border: 1px solid rgba(196, 115, 31, .14);
  color: #6b7c70;
  font-size: .77rem;
  font-weight: 900;
  box-shadow: 0 10px 20px rgba(255,255,255,.22);
}
.summer-promo.summer-promo-premium .summer-promo-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 18px;
  border-radius: 999px;
  background: linear-gradient(135deg, #ffb257, #ff8e57);
  color: #fff;
  font-weight: 900;
  box-shadow: 0 16px 30px rgba(255, 145, 87, .28);
}
.summer-promo.summer-promo-premium .summer-promo-visual {
  position: relative;
  min-height: 330px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding: 22px;
}
.summer-promo-orb {
  position: absolute;
  right: 30px;
  top: 24px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, rgba(255,243,194,.96), rgba(255,207,88,.92) 56%, rgba(255,172,66,.72) 100%);
  box-shadow: 0 0 0 22px rgba(255, 226, 127, .18);
}
.summer-promo-year {
  position: absolute;
  left: 8px;
  top: -4px;
  color: rgba(38, 77, 58, .12);
  font-size: clamp(4.8rem, 11vw, 7.2rem);
  line-height: 1;
  font-weight: 950;
  letter-spacing: -.07em;
}
.summer-promo-caption {
  position: absolute;
  right: 10px;
  bottom: 8px;
  color: #76907f;
  font-size: .82rem;
  font-weight: 950;
  letter-spacing: .3em;
}
.summer-promo-photo-frame {
  position: relative;
  width: min(100%, 360px);
  height: 360px;
  margin-right: 18px;
  border-radius: 28px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.72);
  background: linear-gradient(180deg, rgba(255,255,255,.68), rgba(255,255,255,.48));
  box-shadow: 0 24px 60px rgba(92, 112, 103, .15), inset 0 1px 0 rgba(255,255,255,.9);
}
.summer-promo-photo-frame::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.32));
  z-index: 2;
  pointer-events: none;
}
.summer-promo-photo {
  position: absolute;
  inset: auto 0 0 auto;
  right: -4px;
  bottom: 0;
  width: auto;
  height: 100%;
  max-width: none;
  object-fit: cover;
  filter: saturate(.98) contrast(1.02);
}

@media (max-width: 920px) {
  .summer-promo.summer-promo-premium {
    grid-template-columns: 1fr;
    gap: 22px;
    padding: 24px;
    border-radius: 28px;
  }
  .summer-promo.summer-promo-premium .summer-promo-visual {
    min-height: 300px;
    justify-content: center;
  }
  .summer-promo-photo-frame {
    width: min(100%, 440px);
    height: 300px;
    margin-right: 0;
  }
  .summer-promo-year { left: 10px; top: 0; }
}

@media (max-width: 640px) {
  .summer-promo-title { font-size: clamp(2rem, 9vw, 2.7rem); }
  .summer-promo.summer-promo-premium p { font-size: .94rem; }
  .summer-promo-footer { align-items: stretch; }
  .summer-promo.summer-promo-premium .summer-promo-cta { width: 100%; justify-content: center; }
  .summer-promo.summer-promo-premium .summer-promo-visual { min-height: 250px; padding: 16px 8px 6px; }
  .summer-promo-orb { width: 140px; height: 140px; right: 12px; top: 6px; box-shadow: 0 0 0 16px rgba(255,226,127,.16); }
  .summer-promo-photo-frame { height: 240px; border-radius: 22px; }
  .summer-promo-caption { font-size: .7rem; letter-spacing: .22em; }
}


/* ===== Grade-separated course page ===== */
.course-overview-section {
  padding: clamp(54px, 8vw, 92px) 0 clamp(46px, 7vw, 78px);
  background: linear-gradient(180deg, #ffffff 0%, #f5fbf7 100%);
}
.course-overview-heading { margin: 54px auto 0; }
.course-jump-nav {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-top: 34px;
}
.course-jump-nav a {
  position: relative;
  min-height: 116px;
  display: grid;
  grid-template-columns: 1fr auto;
  align-content: space-between;
  gap: 8px;
  padding: 20px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(255,255,255,.94);
  box-shadow: 0 14px 34px rgba(48,111,78,.07);
  transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.course-jump-nav a::after {
  content: "";
  position: absolute;
  width: 88px;
  height: 88px;
  right: -34px;
  bottom: -42px;
  border-radius: 50%;
  background: var(--green-soft);
}
.course-jump-nav a:hover {
  transform: translateY(-5px);
  border-color: #9bd2b3;
  box-shadow: 0 22px 44px rgba(48,111,78,.12);
}
.course-jump-nav span,
.course-jump-nav strong,
.course-jump-nav i { position: relative; z-index: 1; }
.course-jump-nav span {
  grid-column: 1 / -1;
  color: #89a698;
  font-size: .7rem;
  font-weight: 950;
  letter-spacing: .14em;
}
.course-jump-nav strong {
  align-self: end;
  color: var(--ink);
  font-size: clamp(1.05rem, 1.8vw, 1.35rem);
  line-height: 1.35;
}
.course-jump-nav i {
  align-self: end;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--green);
  color: #fff;
  font-style: normal;
  font-weight: 900;
}
.course-edit-note {
  max-width: 880px;
  margin: 24px auto 0;
  padding: 14px 18px;
  border-radius: 14px;
  background: #edf8f2;
  color: #587064;
  font-size: .86rem;
  text-align: center;
}
.course-grade-section { scroll-margin-top: 110px; }
.grade-course-heading {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(300px, 1.1fr);
  gap: clamp(28px, 6vw, 80px);
  align-items: end;
  margin-bottom: 38px;
}
.grade-course-heading > div { position: relative; }
.grade-course-index {
  position: absolute;
  right: 0;
  top: -26px;
  color: rgba(36,109,75,.09);
  font-size: clamp(4.6rem, 10vw, 8rem);
  line-height: 1;
  font-weight: 950;
  letter-spacing: -.06em;
}
.grade-course-heading .kicker { margin-bottom: 6px; }
.grade-course-heading h2 {
  position: relative;
  margin: 0;
  font-size: clamp(2.2rem, 5vw, 4.2rem);
  line-height: 1.08;
  letter-spacing: -.055em;
}
.grade-course-heading > p {
  margin: 0;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.9;
}
.grade-course-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grade-course-grid .course-card { min-height: 280px; }
.back-to-course-menu {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 8px;
  margin-top: 26px;
  color: var(--green-dark);
  font-size: .84rem;
  font-weight: 900;
}
.back-to-course-menu span {
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border: 1px solid #bcdccb;
  border-radius: 50%;
  background: #fff;
}

@media (max-width: 920px) {
  .course-jump-nav { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grade-course-heading { grid-template-columns: 1fr; gap: 18px; }
  .grade-course-heading > p { max-width: 680px; }
  .grade-course-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 640px) {
  .course-overview-section { padding: 42px 0 52px; }
  .course-overview-heading { margin-top: 38px; }
  .course-jump-nav { grid-template-columns: 1fr; gap: 10px; margin-top: 26px; }
  .course-jump-nav a {
    min-height: 76px;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    align-content: center;
    padding: 16px 18px;
  }
  .course-jump-nav span { grid-column: auto; }
  .course-jump-nav strong { align-self: center; }
  .course-jump-nav i { align-self: center; }
  .course-edit-note { text-align: left; }
  .course-grade-section { scroll-margin-top: 92px; }
  .grade-course-heading { margin-bottom: 28px; }
  .grade-course-index { top: -18px; font-size: 4.7rem; }
  .grade-course-grid { grid-template-columns: 1fr; }
  .grade-course-grid .course-card { min-height: 235px; }
}

/* ===== Home proof & achievements ===== */
.home-proof-section {
  background:
    radial-gradient(circle at 84% 18%, rgba(67,185,120,.10), transparent 24%),
    var(--white);
}
.home-proof-grid {
  display: grid;
  grid-template-columns: minmax(0,.86fr) minmax(0,1.14fr);
  gap: 20px;
  margin-top: 48px;
}
.home-proof-card {
  position: relative;
  overflow: hidden;
  min-height: 390px;
  padding: clamp(30px,4.2vw,52px);
  border: 1px solid var(--line);
  border-radius: 30px;
  box-shadow: 0 24px 62px rgba(44,96,69,.10);
}
.home-proof-card::after {
  content: "";
  position: absolute;
  width: 230px;
  height: 230px;
  right: -90px;
  top: -105px;
  border: 1px solid rgba(67,185,120,.25);
  border-radius: 50%;
  box-shadow: 0 0 0 38px rgba(67,185,120,.05);
}
.home-proof-card > * { position: relative; z-index: 1; }
.home-proof-card-learning { background: linear-gradient(145deg,#f6fcf8,#eaf7ef); }
.home-proof-card-results { background: var(--ink); color: var(--white); }
.home-proof-card-results::after { border-color: rgba(255,255,255,.13); box-shadow: 0 0 0 38px rgba(255,255,255,.025); }
.home-proof-label {
  display: inline-flex;
  color: var(--green-dark);
  font-size: .72rem;
  font-weight: 950;
  letter-spacing: .16em;
}
.home-proof-card-results .home-proof-label { color: var(--green); }
.home-proof-card h3 {
  max-width: 12em;
  margin: 62px 0 18px;
  font-size: clamp(2rem,4vw,3.45rem);
  line-height: 1.12;
  letter-spacing: -.055em;
}
.home-proof-card p {
  max-width: 34em;
  margin: 0;
  color: var(--muted);
  line-height: 1.9;
}
.home-proof-card .text-link { margin-top: 26px; }
.result-list { margin: 34px 0 0; }
.result-list > div {
  display: grid;
  grid-template-columns: 82px minmax(0,1fr);
  gap: 18px;
  padding: 20px 0;
  border-top: 1px solid rgba(255,255,255,.14);
}
.result-list dt { color: var(--green); font-size: .8rem; font-weight: 950; }
.result-list dd { margin: 0; color: #e8f0eb; font-size: 1.05rem; font-weight: 800; line-height: 1.75; }

/* ===== Summer benefits ===== */
.summer-info-grid-two { grid-template-columns: repeat(2,minmax(0,1fr)); }
.summer-info-grid-two .summer-info-card {
  min-height: 290px;
  background: linear-gradient(145deg,#fbfefc,#eef8f2);
  box-shadow: 0 20px 50px rgba(48,111,78,.09);
}
.summer-info-grid-two .summer-info-card strong { color: var(--green-dark); }
.summer-info-grid-two .summer-info-card small {
  max-width: 33em;
  font-size: .92rem;
  line-height: 1.8;
}
.summer-plan-card { min-height: 270px; }
.summer-plan-card h3 { margin-top: 44px; }

/* ===== Course highlights ===== */
.test-prep-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 34px;
  margin-top: 42px;
  padding: clamp(28px,4.5vw,48px);
  border: 1px solid #b9dfca;
  border-radius: 28px;
  background:
    radial-gradient(circle at 92% 12%, rgba(255,255,255,.88), transparent 28%),
    linear-gradient(135deg,#e9f8ef,#f8fcf9);
  box-shadow: 0 22px 54px rgba(48,111,78,.10);
}
.test-prep-banner h3 {
  margin: 15px 0 10px;
  font-size: clamp(1.8rem,3.4vw,3rem);
  line-height: 1.16;
  letter-spacing: -.05em;
}
.test-prep-banner p { max-width: 720px; margin: 0; color: var(--muted); line-height: 1.85; }
.test-prep-badge {
  display: inline-flex;
  padding: 7px 12px;
  border-radius: 999px;
  background: var(--green-dark);
  color: var(--white);
  font-size: .75rem;
  font-weight: 950;
  letter-spacing: .06em;
}
.test-prep-banner .button { flex: 0 0 auto; }
.math-seminar-option {
  display: grid;
  grid-template-columns: minmax(260px,.75fr) minmax(0,1.25fr);
  gap: clamp(28px,5vw,70px);
  margin-top: 26px;
  padding: clamp(28px,4.5vw,50px);
  border-radius: 28px;
  background:
    linear-gradient(110deg,rgba(255,255,255,.04),transparent 54%),
    var(--ink);
  color: var(--white);
  box-shadow: 0 26px 64px rgba(24,53,38,.17);
}
.math-seminar-heading span {
  color: var(--green);
  font-size: .72rem;
  font-weight: 950;
  letter-spacing: .16em;
}
.math-seminar-heading h3 {
  margin: 18px 0 0;
  font-size: clamp(1.85rem,3.8vw,3.1rem);
  line-height: 1.16;
  letter-spacing: -.05em;
}
.math-seminar-copy p { margin: 0; color: #c5d1ca; line-height: 1.85; }
.math-seminar-copy ul { display: grid; gap: 12px; margin: 24px 0 0; padding: 0; list-style: none; }
.math-seminar-copy li {
  position: relative;
  padding-left: 24px;
  color: #edf4f0;
  line-height: 1.7;
}
.math-seminar-copy li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .7em;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 5px rgba(34,214,111,.12);
}

@media (max-width: 920px) {
  .home-proof-grid { grid-template-columns: 1fr; }
  .home-proof-card { min-height: 340px; }
  .summer-info-grid-two { grid-template-columns: 1fr; }
  .test-prep-banner { align-items: flex-start; flex-direction: column; }
  .math-seminar-option { grid-template-columns: 1fr; gap: 24px; }
}

@media (max-width: 640px) {
  .home-proof-grid { margin-top: 32px; }
  .home-proof-card { min-height: 0; padding: 28px 22px; border-radius: 24px; }
  .home-proof-card h3 { margin-top: 44px; }
  .result-list > div { grid-template-columns: 1fr; gap: 7px; }
  .summer-info-grid-two .summer-info-card { min-height: 235px; }
  .test-prep-banner { margin-top: 32px; padding: 28px 22px; border-radius: 22px; }
  .test-prep-banner .button { width: 100%; }
  .math-seminar-option { padding: 28px 22px; border-radius: 22px; }
}

/* ===== Contact form: live PHP form ===== */
.field.has-error input,
.field.has-error select,
.field.has-error textarea { border-color: #b51d3f; box-shadow: 0 0 0 3px rgba(181,29,63,.10); }
.field-error { margin: 0; color: #a51334; font-size: .82rem; font-weight: 800; }
.field-meta { display: flex; justify-content: space-between; gap: 12px; color: var(--muted); font-size: .76rem; }
.form-status-error { background: #fff0f3; color: #8f1230; border: 1px solid #f0bdc8; }
.checkbox-label { display: flex; align-items: flex-start; gap: 11px; font-weight: 700 !important; line-height: 1.7; cursor: pointer; }
.checkbox-label input { flex: 0 0 auto; width: 19px; height: 19px; margin-top: 4px; accent-color: var(--green-dark); }
.privacy-field { padding: 15px 16px; border-radius: 12px; background: #f5faf7; }
.honeypot-field { position: absolute !important; left: -10000px !important; width: 1px !important; height: 1px !important; overflow: hidden !important; }
.confirm-list { margin: 26px 0; border-top: 1px solid var(--line); }
.confirm-list > div { display: grid; grid-template-columns: 150px minmax(0,1fr); gap: 20px; padding: 17px 0; border-bottom: 1px solid var(--line); }
.confirm-list dt { color: var(--green-dark); font-weight: 900; }
.confirm-list dd { margin: 0; overflow-wrap: anywhere; }
.confirm-message { white-space: normal; }
.form-actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 12px; }
.form-result h2 { margin: 5px 0 16px; font-size: clamp(1.8rem,4vw,2.6rem); }
.form-result .button { margin-top: 14px; }
.contact-form button[disabled] { opacity: .68; cursor: wait; }

@media (max-width: 620px) {
  .confirm-list > div { grid-template-columns: 1fr; gap: 6px; }
  .form-actions { flex-direction: column-reverse; }
  .form-actions .button { width: 100%; }
}