/* ==========================================================
   Logicalism Studio — site stylesheet
   ========================================================== */
:root {
  --navy: #0d1a4a;
  --ink: #1c2540;
  --muted: #5b6480;
  --line: #e3e8f4;
  --bg: #f5f8ff;
  --white: #fff;
  --blue: #2457e6;
  --blue-soft: #e8efff;
  --purple: #7a45d6;
  --purple-soft: #f1eafd;
  --green: #2f8f4e;
  --green-soft: #e8f5ec;
  --orange: #f08a24;
  --orange-soft: #fff1e3;
  --cta: #f2a72e;
  --cta-dark: #d98a10;
  --teal: #2aa3b8;
  --grad: linear-gradient(90deg, #2457e6 0%, #7a45d6 55%, #f08a24 100%);
  --radius: 18px;
  --shadow: 0 10px 30px rgba(20, 40, 110, .08);
  --font-head: "Zen Maru Gothic", "Hiragino Maru Gothic ProN", sans-serif;
  --font-body: "Noto Sans JP", "Hiragino Sans", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
  --wrap: 1120px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--white);
  line-height: 1.85;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--blue); }
h1, h2, h3, h4 { font-family: var(--font-head); color: var(--navy); line-height: 1.35; margin: 0; }
p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }

.wrap { width: min(var(--wrap), 100% - 40px); margin-inline: auto; }
.section { padding: 96px 0; }
.section--tint { background: var(--bg); }
.center { text-align: center; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.92);
  backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 20px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--navy); }
.brand img.brand-logo { height: 48px; width: auto; }
.brand-mark { width: 38px; height: 38px; flex: none; }
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-name { font-family: var(--font-head); font-weight: 900; font-size: 20px; letter-spacing: .04em; }
.brand-sub { font-family: var(--font-mono); font-size: 9.5px; letter-spacing: .12em; color: var(--muted); margin-top: 3px; }

.nav { display: flex; align-items: center; gap: 4px; }
.nav a { text-decoration: none; color: var(--ink); font-size: 14.5px; font-weight: 500; padding: 8px 12px; border-radius: 10px; transition: background .2s, color .2s; }
.nav a:hover { background: var(--blue-soft); color: var(--blue); }
.nav a[aria-current="page"] { color: var(--blue); font-weight: 700; }
.nav .nav-member { border: 1.5px solid var(--line); margin-left: 6px; }
.nav .btn { margin-left: 8px; padding: 10px 18px; font-size: 14px; }

.menu-toggle { display: none; background: none; border: 0; width: 44px; height: 44px; cursor: pointer; padding: 10px; }
.menu-toggle span { display: block; height: 2px; background: var(--navy); border-radius: 2px; margin: 6px 0; transition: transform .25s, opacity .25s; }
.menu-open .menu-toggle span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.menu-open .menu-toggle span:nth-child(2) { opacity: 0; }
.menu-open .menu-toggle span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: var(--font-head); font-weight: 700; font-size: 17px;
  padding: 16px 34px; border-radius: 999px; text-decoration: none; border: 0; cursor: pointer;
  transition: transform .15s, box-shadow .2s, background .2s;
}
.btn--cta { background: var(--cta); color: #fff; box-shadow: 0 6px 0 var(--cta-dark); }
.btn--cta:hover { transform: translateY(2px); box-shadow: 0 4px 0 var(--cta-dark); }
.btn--ghost { background: #fff; color: var(--blue); border: 2px solid var(--blue); }
.btn--ghost:hover { background: var(--blue-soft); }
.btn--line { background: #06c755; color: #fff; }
.btn .arrow { font-family: var(--font-mono); }

/* ---------- Section headings ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-mono); font-size: 13px; font-weight: 700; letter-spacing: .18em; color: var(--blue);
}
.eyebrow::before { content: "</"; opacity: .5; }
.eyebrow::after { content: ">"; opacity: .5; }
.sec-head { text-align: center; margin-bottom: 56px; }
.sec-head h2 { font-size: clamp(30px, 4.6vw, 46px); font-weight: 900; margin-top: 10px; letter-spacing: .04em; }
.sec-head h2 em { font-style: normal; color: var(--blue); }
.sec-head .bar { width: 120px; height: 4px; border-radius: 4px; background: var(--grad); margin: 18px auto 20px; }
.sec-head p { color: var(--muted); font-size: 15.5px; }

/* ---------- Hero ---------- */
.hero { position: relative; overflow: hidden; background: radial-gradient(1200px 600px at 85% 20%, #e3ebff 0%, rgba(227,235,255,0) 60%), var(--white); }
.hero .wrap { display: grid; grid-template-columns: 1.05fr 1fr; gap: 40px; align-items: center; padding: 72px 0 88px; }
.hero h1 { font-size: clamp(42px, 6.4vw, 74px); font-weight: 900; letter-spacing: .02em; line-height: 1.2; }
.hero h1 .c-blue { color: var(--blue); }
.hero h1 .c-orange { color: var(--orange); }
.hero-lead { margin: 26px 0 34px; font-size: 16.5px; color: var(--ink); }
.hero-badges { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 32px; }
.hero-badges li { display: inline-flex; align-items: center; gap: 8px; padding: 8px 16px; background: #fff; border: 1px solid var(--line); border-radius: 999px; font-size: 14px; font-weight: 700; color: var(--navy); }
.hero-badges svg { width: 18px; height: 18px; color: var(--blue); }

.hero-visual { position: relative; }
.hero-visual .ph { aspect-ratio: 4 / 3.2; border-radius: 28px; box-shadow: var(--shadow); }
.hero-code {
  position: absolute; left: -28px; bottom: -26px; background: var(--navy); color: #c8d4ff; border-radius: 16px;
  padding: 16px 20px; font-family: var(--font-mono); font-size: 13px; line-height: 1.7; box-shadow: var(--shadow);
}
.hero-code .k { color: #ff9f5a; } .hero-code .s { color: #8ee0a1; } .hero-code .f { color: #8fb4ff; }
.hero-bubble {
  position: absolute; right: -10px; top: -18px; background: #fff; border: 2px solid var(--blue); color: var(--navy);
  font-family: var(--font-head); font-weight: 900; padding: 10px 18px; border-radius: 20px 20px 20px 4px; font-size: 15px; box-shadow: var(--shadow);
}
.hero-bubble b { color: var(--blue); }

/* ---------- Photo placeholders (auto-replaced when the file exists) ---------- */
.ph {
  position: relative; overflow: hidden; background:
    repeating-linear-gradient(45deg, rgba(36,87,230,.05) 0 12px, rgba(36,87,230,0) 12px 24px),
    linear-gradient(135deg, #eaf0ff, #f4eefe);
  display: grid; place-items: center; color: #7d8bb5; font-size: 13px; text-align: center;
}
.ph::after { content: attr(data-label); padding: 0 12px; font-weight: 500; }
.ph img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.ph.has-img::after { display: none; }

/* ---------- Cards ---------- */
.grid-6 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 30px 26px; box-shadow: var(--shadow); }

.reason { position: relative; padding-top: 38px; }
.reason .num {
  position: absolute; top: -18px; left: 26px; width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center;
  font-family: var(--font-mono); font-weight: 700; color: #fff; background: var(--c, var(--blue)); font-size: 15px;
}
.reason .icon { width: 56px; height: 56px; border-radius: 16px; display: grid; place-items: center; background: var(--cs, var(--blue-soft)); color: var(--c, var(--blue)); margin-bottom: 16px; }
.reason .icon svg { width: 30px; height: 30px; }
.reason h3 { font-size: 20px; color: var(--c, var(--blue)); margin-bottom: 10px; }
.reason p { font-size: 14.5px; color: var(--muted); }
.reason-foot { text-align: center; margin-top: 44px; font-family: var(--font-head); font-weight: 700; font-size: 19px; color: var(--navy); }
.reason-foot b { color: var(--blue); }

/* ---------- Course cards ---------- */
.course { display: flex; flex-direction: column; padding: 0; overflow: hidden; border-top: 6px solid var(--c); }
.course-body { padding: 26px 26px 28px; display: flex; flex-direction: column; flex: 1; }
.tag { display: inline-block; font-size: 12.5px; font-weight: 700; padding: 3px 12px; border-radius: 999px; background: var(--cs); color: var(--c); }
.course h3 { font-size: 23px; margin: 12px 0 4px; color: var(--c); }
.course .langs { font-family: var(--font-mono); font-size: 13px; color: var(--muted); margin-bottom: 12px; }
.course .desc { font-size: 15px; margin-bottom: 18px; }
.course .ph { aspect-ratio: 16 / 9; }
.checks li { position: relative; padding-left: 26px; font-size: 14.5px; margin-bottom: 6px; }
.checks li::before {
  content: ""; position: absolute; left: 0; top: .45em; width: 16px; height: 16px; border-radius: 50%;
  background: var(--c, var(--blue)) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4 8.2l2.6 2.5L12 5.4' fill='none' stroke='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / 100% no-repeat;
}
.course dl { margin: 0 0 16px; display: grid; grid-template-columns: auto 1fr; gap: 4px 12px; font-size: 14.5px; }
.course dt { color: var(--c); font-weight: 700; }
.course dd { margin: 0; }
.course .note { margin-top: auto; padding: 14px 16px; border-radius: 12px; background: var(--cs); font-size: 14px; }
.course .note b { display: block; color: var(--c); font-family: var(--font-head); }
.c-blue { --c: var(--blue); --cs: var(--blue-soft); }
.c-purple { --c: var(--purple); --cs: var(--purple-soft); }
.c-orange { --c: var(--orange); --cs: var(--orange-soft); }
.c-green { --c: var(--green); --cs: var(--green-soft); }
.c-teal { --c: var(--teal); --cs: #e4f6f9; }

.callout {
  display: flex; align-items: center; justify-content: center; gap: 18px; flex-wrap: wrap;
  margin-top: 36px; padding: 20px 28px; border: 2px solid var(--blue); border-radius: 16px; background: #fff;
}
.callout strong { font-family: var(--font-head); font-size: 20px; color: var(--blue); }
.callout span { font-size: 14.5px; color: var(--muted); }

/* ---------- Gallery ---------- */
.gallery { display: grid; grid-template-columns: repeat(4, 1fr); grid-auto-rows: 200px; gap: 14px; }
.gallery .ph { border-radius: 16px; }
.gallery .wide { grid-column: span 2; }
.gallery .tall { grid-row: span 2; }
.speech {
  display: inline-block; background: #fff; border: 2px solid var(--blue); border-radius: 22px; padding: 8px 20px;
  font-family: var(--font-head); font-weight: 900; color: var(--navy); margin-bottom: 14px;
}

/* ---------- Trial CTA band ---------- */
.trial-band { background: var(--navy); color: #fff; border-radius: 28px; overflow: hidden; display: grid; grid-template-columns: 1fr 1fr; }
.trial-band .ph { min-height: 100%; }
.trial-band-body { padding: 56px 52px; }
.trial-band h2 { color: #fff; font-size: clamp(28px, 3.6vw, 40px); font-weight: 900; }
.trial-band h2 em { font-style: normal; color: var(--cta); }
.trial-band .sub { color: #c4cdf0; margin: 8px 0 26px; }
.trial-points li { display: flex; gap: 14px; margin-bottom: 18px; }
.trial-points .ic { width: 42px; height: 42px; flex: none; border-radius: 50%; background: rgba(255,255,255,.1); display: grid; place-items: center; color: #9fb7ff; }
.trial-points .ic svg { width: 22px; height: 22px; }
.trial-points b { display: block; font-family: var(--font-head); font-size: 17px; color: #fff; }
.trial-points span { font-size: 14px; color: #c4cdf0; }
.trial-band .actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 30px; align-items: center; }
.trial-band .tel { color: #fff; font-family: var(--font-mono); font-size: 18px; text-decoration: none; }

/* ---------- Access ---------- */
.access { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.school { display: flex; gap: 16px; padding: 22px 0; border-bottom: 1px dashed var(--line); }
.school:last-child { border-bottom: 0; }
.school .pin { width: 40px; height: 40px; flex: none; border-radius: 50%; background: var(--blue-soft); color: var(--blue); display: grid; place-items: center; }
.school .pin svg { width: 20px; height: 20px; }
.school h3 { font-size: 19px; }
.school p { font-size: 14.5px; color: var(--muted); }
.soon { display: inline-block; margin-top: 4px; font-size: 13px; font-weight: 700; color: var(--blue); background: var(--blue-soft); padding: 2px 12px; border-radius: 8px; }
.contact-box { display: flex; flex-direction: column; gap: 16px; }
.contact-box .tel-big { font-family: var(--font-mono); font-weight: 700; font-size: 30px; color: var(--navy); text-decoration: none; }
.contact-box .label { font-size: 13px; color: var(--muted); }

/* ---------- Forms ---------- */
.form { display: grid; gap: 18px; }
.form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form label { display: block; font-weight: 700; font-size: 14.5px; margin-bottom: 6px; color: var(--navy); }
.form .req { color: #e2463c; margin-left: 4px; font-size: 12px; }
.form input, .form select, .form textarea {
  width: 100%; font: inherit; font-size: 16px; padding: 13px 14px; border: 1.5px solid #cfd8ee; border-radius: 12px; background: #fff; color: var(--ink);
  transition: border-color .2s, box-shadow .2s;
}
.form input:focus, .form select:focus, .form textarea:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 4px rgba(36,87,230,.12); }
.form textarea { min-height: 150px; resize: vertical; }
.form .hint { font-size: 13px; color: var(--muted); margin-top: 4px; }
.form .submit { text-align: center; margin-top: 8px; }
.form-msg { display: none; padding: 16px 18px; border-radius: 12px; font-size: 15px; }
.form-msg.show { display: block; }
.form-msg.ok { background: var(--green-soft); color: var(--green); }
.form-msg.warn { background: var(--orange-soft); color: #9a4f00; }
.form-card { max-width: 820px; margin-inline: auto; padding: 44px 48px; }
.fieldset-title { font-family: var(--font-head); font-weight: 700; color: var(--blue); font-size: 15px; border-left: 4px solid var(--blue); padding-left: 10px; margin-top: 8px; }

/* ---------- Page hero (sub pages) ---------- */
.page-hero { background: linear-gradient(135deg, #eef3ff 0%, #f7f2ff 100%); padding: 72px 0; }
.page-hero .wrap { display: grid; grid-template-columns: 1.15fr .85fr; gap: 40px; align-items: center; }
.page-hero h1 { font-size: clamp(32px, 4.8vw, 52px); font-weight: 900; margin-top: 10px; }
.page-hero h1 em { font-style: normal; color: var(--blue); }
.page-hero p { margin-top: 18px; color: var(--muted); }
.page-hero .ph { aspect-ratio: 4 / 3; border-radius: 24px; }
.page-hero.slim .wrap { grid-template-columns: 1fr; text-align: center; }

/* ---------- About ---------- */
.abilities { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 30px; }
.abilities li { background: #fff; border-radius: 14px; padding: 16px 14px; text-align: center; border: 1px solid var(--line); }
.abilities b { display: block; color: var(--blue); font-family: var(--font-head); }
.abilities span { font-size: 12.5px; color: var(--muted); line-height: 1.6; display: block; }

.compare { display: grid; grid-template-columns: 1fr 1.1fr; gap: 0; border-radius: 20px; overflow: hidden; box-shadow: var(--shadow); border: 1px solid var(--line); }
.compare-col h3 { font-size: 17px; text-align: center; padding: 14px; }
.compare-col.them h3 { background: #eef0f5; color: var(--muted); }
.compare-col.us h3 { background: var(--blue); color: #fff; }
.compare-col li { display: flex; justify-content: space-between; gap: 12px; padding: 14px 22px; border-top: 1px solid var(--line); font-size: 15px; background: #fff; }
.compare-col.us li { font-weight: 700; color: var(--navy); background: #fbfcff; }
.compare-col.them li::after { content: "×"; color: #a6adbf; font-weight: 700; }
.compare-col.us li::after { content: "✓"; color: var(--blue); font-weight: 900; }

.feature { padding: 0; overflow: hidden; }
.feature .ph { aspect-ratio: 16 / 10; }
.feature-body { padding: 22px 22px 26px; }
.feature .no { font-family: var(--font-mono); font-weight: 700; color: var(--blue); font-size: 26px; }
.feature h3 { font-size: 18px; margin: 2px 0 10px; }
.feature p { font-size: 14px; color: var(--muted); }
.feature p b { color: var(--blue); font-weight: 700; }

.lang-flow { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin: 10px 0; font-family: var(--font-mono); font-size: 12px; }
.lang-flow span { padding: 3px 10px; border-radius: 999px; background: var(--blue-soft); color: var(--blue); font-weight: 700; }
.lang-flow i { font-style: normal; color: var(--muted); }

.roadmap { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; position: relative; }
.step { border-top: 6px solid var(--c); }
.step .lbl { font-family: var(--font-mono); font-weight: 700; font-size: 12px; color: #fff; background: var(--c); display: inline-block; padding: 3px 10px; border-radius: 6px; }
.step h3 { color: var(--c); font-size: 19px; margin: 14px 0 2px; }
.step .who { font-weight: 700; font-size: 14px; color: var(--c); }
.step p { font-size: 14px; margin: 12px 0 16px; color: var(--ink); }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chips span { font-size: 12px; padding: 3px 10px; border-radius: 6px; background: var(--cs); color: var(--c); font-weight: 700; }

.learn { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.learn .card { padding: 24px; }
.learn h3 { font-size: 17px; display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
.learn h3 .n { font-family: var(--font-mono); font-size: 13px; color: #fff; background: var(--blue); border-radius: 6px; padding: 1px 8px; }
.learn p { font-size: 14px; color: var(--muted); }
.code-snip { background: var(--navy); color: #c8d4ff; font-family: var(--font-mono); font-size: 12px; border-radius: 10px; padding: 12px 14px; margin-bottom: 14px; line-height: 1.7; white-space: pre; overflow-x: auto; }
.code-snip .k { color: #ff9f5a; } .code-snip .s { color: #8ee0a1; } .code-snip .f { color: #8fb4ff; } .code-snip .c { color: #6f7ca8; }

/* ---------- Price ---------- */
.free-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.free { text-align: center; }
.free h3 { font-size: 18px; }
.free .big { font-family: var(--font-head); font-weight: 900; color: var(--blue); font-size: 46px; line-height: 1.2; margin-top: 6px; }
.free .yen { color: var(--muted); font-size: 14px; }
.plan { display: flex; flex-direction: column; border-top: 6px solid var(--c); }
.plan .price { display: flex; align-items: baseline; gap: 6px; margin: 16px 0 6px; padding-top: 16px; border-top: 1px solid var(--line); }
.plan .price .m { font-size: 13px; font-weight: 700; background: var(--c); color: #fff; padding: 2px 10px; border-radius: 6px; align-self: center; }
.plan .price .v { font-family: var(--font-head); font-weight: 900; font-size: 46px; color: var(--c); line-height: 1; }
.plan .price .u { font-weight: 700; color: var(--c); }
.plan .price .tax { font-size: 12px; color: var(--muted); }
.plan .checks { margin: 10px 0 18px; }
.plan .meta { margin-top: auto; background: var(--cs); padding: 12px 16px; border-radius: 12px; font-size: 14px; }
.price-note { text-align: center; margin-top: 22px; color: var(--muted); font-size: 14px; }
.support .icon { margin-inline: auto; }
.support { text-align: center; }

/* ---------- Footer ---------- */
.site-footer { background: var(--navy); color: #c4cdf0; padding: 64px 0 28px; margin-top: 0; }
.site-footer .wrap { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 40px; }
.site-footer .brand { color: #fff; }
.site-footer .brand-sub { color: #9aa6d6; }
.site-footer p { font-size: 14px; margin-top: 14px; }
.site-footer h4 { color: #fff; font-size: 15px; margin-bottom: 12px; }
.site-footer a { color: #c4cdf0; text-decoration: none; font-size: 14px; }
.site-footer a:hover { color: #fff; }
.site-footer li { margin-bottom: 6px; }
.social { display: flex; gap: 10px; margin-top: 16px; }
.social a { width: 40px; height: 40px; border-radius: 50%; background: rgba(255,255,255,.08); display: grid; place-items: center; }
.social svg { width: 20px; height: 20px; }
.copyright { grid-column: 1 / -1; border-top: 1px solid rgba(255,255,255,.12); padding-top: 22px; font-size: 12.5px; text-align: center; color: #8d98c6; }

/* floating CTA (mobile) */
.float-cta { display: none; }

/* ---------- Prose (privacy) ---------- */
.prose { max-width: 780px; margin-inline: auto; }
.prose h2 { font-size: 21px; margin: 40px 0 12px; padding-left: 12px; border-left: 4px solid var(--blue); }
.prose p, .prose li { font-size: 15.5px; }
.prose ul { list-style: disc; padding-left: 1.4em; margin: 10px 0; }

/* ---------- Reveal ---------- */
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s ease; }
.js .reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .js .reveal { opacity: 1; transform: none; transition: none; } html { scroll-behavior: auto; } }

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .nav { position: fixed; inset: 72px 0 auto 0; flex-direction: column; align-items: stretch; background: #fff; padding: 12px 20px 24px; border-bottom: 1px solid var(--line); box-shadow: var(--shadow); transform: translateY(-120%); transition: transform .3s; z-index: -1; }
  .menu-open .nav { transform: none; }
  .nav a { padding: 14px 10px; font-size: 16px; border-bottom: 1px solid var(--line); border-radius: 0; }
  .nav .nav-member { border: 0; border-bottom: 1px solid var(--line); margin: 0; }
  .nav .btn { margin: 16px 0 0; border-bottom: 0; border-radius: 999px; }
  .menu-toggle { display: block; }
  .grid-4, .roadmap { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 860px) {
  .section { padding: 72px 0; }
  .hero .wrap, .page-hero .wrap, .trial-band, .access, .site-footer .wrap { grid-template-columns: 1fr; }
  .hero .wrap { padding: 40px 0 70px; }
  .hero-visual { margin: 10px 12px 0; }
  .grid-6, .grid-3, .free-grid, .learn { grid-template-columns: 1fr 1fr; }
  .compare { grid-template-columns: 1fr; }
  .gallery { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 150px; }
  .trial-band .ph { min-height: 240px; order: -1; }
  .trial-band-body { padding: 40px 28px; }
  .abilities { grid-template-columns: repeat(2, 1fr); }
  .form-card { padding: 32px 22px; }
  .float-cta {
    display: flex; position: fixed; left: 12px; right: 12px; bottom: 12px; z-index: 40; gap: 10px;
  }
  .float-cta a { flex: 1; padding: 14px 10px; font-size: 15px; }
  body { padding-bottom: 80px; }
}
@media (max-width: 600px) {
  .grid-6, .grid-3, .grid-4, .free-grid, .learn, .roadmap, .form .row { grid-template-columns: 1fr; }
  .brand-name { font-size: 17px; }
  .hero-code { left: -6px; font-size: 11.5px; }
  .hero-bubble { right: 0; font-size: 13px; }
  .sec-head { margin-bottom: 40px; }
}

/* fixes */
.course-body > .tag, .plan > .tag { align-self: flex-start; }
.flowbox { aspect-ratio: 16 / 10; background: var(--navy); display: flex; align-items: center; justify-content: center; padding: 18px; }
.flowbox .lang-flow { justify-content: center; margin: 0; }
.flowbox .lang-flow span { background: rgba(255,255,255,.1); color: #fff; }
.flowbox .lang-flow i { color: #8fa0d8; }

/* logo images */
.brand { gap: 8px; }
.brand-icon { height: 52px; width: auto; transition: transform .4s cubic-bezier(.2,1.6,.4,1); }
.brand:hover .brand-icon { transform: rotate(-8deg) scale(1.06); }
.brand-word { height: 38px; width: auto; }
.footer-logo { display: inline-flex; align-items: center; gap: 16px; text-decoration: none; position: relative; }
.footer-logo::before {
  content: ""; position: absolute; left: -18px; top: 50%; width: 130px; height: 130px; transform: translateY(-50%);
  background: radial-gradient(circle, rgba(140,170,255,.38) 0%, rgba(140,170,255,0) 66%); pointer-events: none;
}
.fl-icon { position: relative; width: 86px; height: auto; filter: drop-shadow(0 6px 14px rgba(0,0,0,.25)); transition: transform .4s cubic-bezier(.2,1.6,.4,1); }
.footer-logo:hover .fl-icon { transform: rotate(-8deg) translateY(-3px); }
.fl-word { position: relative; width: 200px; height: auto; }
@media (max-width: 600px) {
  .brand-icon { height: 44px; }
  .brand-word { height: 30px; }
}

/* ---------- About hero with background photo ---------- */
.about-hero { position: relative; overflow: hidden; background: #f5f8fe; padding: 84px 0 92px; min-height: 620px; display: flex; align-items: center; }
.about-hero-bg {
  position: absolute; top: 0; right: 0; bottom: 0; width: min(54%, 900px);
  background: url("../photos/about-hero.jpg") right center / cover no-repeat;
}
.about-hero-bg::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, #f5f8fe 0%, rgba(245,248,254,.8) 8%, rgba(245,248,254,0) 26%);
}
.about-hero .wrap { position: relative; z-index: 1; }
.about-hero-text { max-width: 540px; }
.about-kicker { margin-top: 14px; font-weight: 700; color: var(--navy); font-size: 15.5px; }
.about-hero h1 { font-size: clamp(26px, 2.7vw, 36px); font-weight: 900; margin-top: 8px; line-height: 1.4; }
.about-hero h1 .big { display: inline-block; white-space: nowrap; font-size: 1.45em; margin-top: 2px; background: linear-gradient(transparent 84%, #ffd84d 84%, #ffd84d 95%, transparent 95%); }
.about-hero h1 em { font-style: normal; color: var(--blue); }
.about-lead { margin-top: 20px; color: var(--blue); font-weight: 700; font-size: 17px; line-height: 1.7; }
.about-body { margin-top: 10px; color: var(--ink); font-size: 14.5px; }
.about-hero .abilities { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin-top: 30px; }
.about-hero .abilities li { background: none; border: 0; border-left: 1px solid #d9e2f5; border-radius: 0; padding: 4px 8px; text-align: center; }
.about-hero .abilities li:first-child { border-left: 0; }
.about-hero .abilities svg { width: 38px; height: 38px; color: var(--blue); margin: 0 auto 8px; display: block; }
.about-hero .abilities b { font-size: 14.5px; margin-bottom: 4px; }
@media (max-width: 1080px) {
  .about-hero { display: block; padding: 0 0 60px; min-height: 0; }
  .about-hero-bg { position: relative; width: 100%; height: clamp(260px, 46vw, 440px); background-position: center 30%; }
  .about-hero-bg::before { background: linear-gradient(0deg, #f5f8fe 0%, rgba(245,248,254,0) 30%); }
  .about-hero .wrap { margin-top: -10px; }
  .about-hero-text { max-width: 680px; }
}
@media (max-width: 600px) {
  .about-hero h1 { font-size: 24px; }
  .about-hero h1 .big { font-size: 1.32em; }
  .about-hero .abilities { grid-template-columns: repeat(2, 1fr); row-gap: 22px; }
  .about-hero .abilities li:nth-child(3) { border-left: 0; }
}
@media (max-width: 380px) {
  .about-hero h1 { font-size: 21px; }
  .about-kicker { font-size: 14px; }
}
.trial-band .ph img { object-position: 22% 50%; }

/* ---------- Gallery (3-col mosaic of real photos) ---------- */
.gallery { grid-template-columns: repeat(3, 1fr); grid-auto-rows: 190px; grid-auto-flow: dense; }
.gallery .big { grid-column: span 2; grid-row: span 2; }
.gallery .tall { grid-row: span 2; }
.gallery .ph img { transition: transform .6s ease; }
.gallery .ph:hover img { transform: scale(1.04); }
@media (max-width: 860px) {
  .gallery { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 130px; }
  .gallery .ph:last-child { grid-column: span 2; }
}

/* ---------- Privacy policy ---------- */
.policy-hero p { margin-top: 14px; color: var(--ink); }
.policy { max-width: 880px; }
.policy-item { display: grid; grid-template-columns: 64px 1fr; gap: 0 8px; padding: 26px 0; border-bottom: 1px solid var(--line); }
.policy-item:first-child { padding-top: 0; }
.policy-no {
  align-self: start; display: inline-grid; place-items: center; width: 38px; height: 34px; border: 1.5px solid var(--blue); border-radius: 8px;
  font-family: var(--font-mono); font-weight: 700; color: var(--blue); font-size: 14px; position: relative;
}
.policy-no::after { content: ""; position: absolute; right: -14px; top: 6px; bottom: 6px; width: 1px; background: var(--line); }
.policy-item h2 { font-size: 19px; color: var(--navy); margin: 2px 0 8px; }
.policy-item p { font-size: 15px; line-height: 1.9; }
.policy-list { display: grid; grid-template-columns: 1fr 1fr; gap: 2px 20px; margin-top: 8px; font-size: 15px; }
.policy-list li::before { content: "・"; color: var(--blue); }
.policy-contact {
  display: grid; grid-template-columns: auto auto 1fr; align-items: center; gap: 22px 28px;
  margin-top: 36px; padding: 26px 34px; background: var(--blue-soft); border-radius: 16px;
}
.pc-icon { width: 64px; height: 64px; border-radius: 50%; background: var(--blue); color: #fff; display: grid; place-items: center; }
.pc-icon svg { width: 30px; height: 30px; }
.pc-main { display: flex; flex-direction: column; padding-right: 28px; border-right: 1px solid #c5d3f5; }
.pc-main b { font-family: var(--font-head); color: var(--navy); font-size: 17px; }
.pc-main span { font-size: 14px; }
.pc-main a { text-decoration: none; color: var(--blue); font-size: 15px; font-weight: 700; }
.pc-main a strong { font-family: var(--font-mono); font-size: 24px; }
.pc-note { font-size: 14.5px; }
@media (max-width: 700px) {
  .policy-item { grid-template-columns: 1fr; }
  .policy-no { margin-bottom: 10px; } .policy-no::after { display: none; }
  .policy-list { grid-template-columns: 1fr; }
  .policy-contact { grid-template-columns: 1fr; text-align: center; padding: 26px 22px; }
  .pc-icon { margin: 0 auto; }
  .pc-main { border-right: 0; padding-right: 0; }
}

/* ---------- Instructor ---------- */
.teacher { display: grid; grid-template-columns: 300px 1fr; gap: 44px; padding: 44px 48px; }
.teacher-side { text-align: center; }
.teacher-photo { width: 220px; height: 220px; margin: 0 auto 18px; border-radius: 50%; padding: 6px; background: var(--grad); }
.teacher-photo img { width: 100%; height: 100%; border-radius: 50%; object-fit: cover; border: 4px solid #fff; }
.teacher-role { font-size: 13px; font-weight: 700; color: var(--blue); }
.teacher-name { font-size: 28px; margin-top: 2px; }
.teacher-name small { display: block; font-family: var(--font-mono); font-size: 12px; color: var(--muted); letter-spacing: .1em; font-weight: 500; }
.teacher-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin: 20px 0 16px; }
.teacher-stats li { background: var(--blue-soft); border-radius: 14px; padding: 12px 6px; font-size: 12.5px; color: var(--navy); line-height: 1.5; }
.teacher-stats b { display: block; font-family: var(--font-head); font-size: 32px; color: var(--blue); line-height: 1.1; }
.teacher-stats b span { font-size: 15px; margin-left: 2px; }
.teacher-skills { display: flex; flex-wrap: wrap; justify-content: center; gap: 6px; }
.teacher-skills span { font-family: var(--font-mono); font-size: 12.5px; font-weight: 700; padding: 3px 12px; border-radius: 999px; background: var(--navy); color: #fff; }
.teacher-main h4 { font-size: 17px; color: var(--navy); padding-left: 12px; border-left: 4px solid var(--blue); margin-bottom: 14px; }
.teacher-main h4:not(:first-child) { margin-top: 28px; }
.career { list-style: none; margin: 0; padding: 0 0 0 18px; position: relative; }
.career::before { content: ""; position: absolute; left: 5px; top: 10px; bottom: 10px; width: 2px; background: #cfdaf6; }
.career li { position: relative; padding: 4px 0 4px 18px; font-size: 15px; }
.career li::before { content: ""; position: absolute; left: -18px; top: 13px; width: 12px; height: 12px; border-radius: 50%; background: #fff; border: 3px solid var(--blue); }
.career li:last-child::before { background: var(--blue); }
.career b { display: inline-block; min-width: 11em; color: var(--navy); }
.teacher-note { margin-top: 14px; font-size: 14.5px; background: var(--bg); padding: 14px 18px; border-radius: 12px; }
.teacher-note b { color: var(--blue); }
.teacher-msg { margin: 0; padding: 22px 26px 22px 30px; border-radius: 16px; background: linear-gradient(135deg, #f3f6ff, #f8f3ff); position: relative; }
.teacher-msg::before { content: "“"; position: absolute; left: 10px; top: -6px; font-family: Georgia, serif; font-size: 64px; color: var(--blue); opacity: .3; }
.teacher-msg p { font-size: 15px; line-height: 1.95; }
.teacher-msg p + p { margin-top: 10px; }
.teacher-msg b { color: var(--navy); background: linear-gradient(transparent 62%, #ffe48a 62%); }

.teacher-mini { display: grid; grid-template-columns: 110px 1fr auto; gap: 26px; align-items: center; padding: 24px 32px; text-decoration: none; color: inherit; transition: transform .2s, box-shadow .2s; }
.teacher-mini:hover { transform: translateY(-3px); box-shadow: 0 16px 36px rgba(20,40,110,.12); }
.teacher-mini img { width: 110px; height: 110px; border-radius: 50%; object-fit: cover; border: 4px solid var(--blue-soft); }
.tm-name { font-family: var(--font-head); font-weight: 900; font-size: 20px; color: var(--navy); margin-top: 4px; }
.tm-name small { font-family: var(--font-body); font-weight: 500; font-size: 13px; color: var(--muted); margin-left: 8px; }
.tm-quote { font-size: 15px; margin-top: 6px; }
.tm-more { font-weight: 700; color: var(--blue); white-space: nowrap; font-size: 14.5px; }
@media (max-width: 860px) {
  .teacher { grid-template-columns: 1fr; padding: 32px 22px; gap: 28px; }
  .career b { display: block; min-width: 0; }
  .teacher-mini { grid-template-columns: 80px 1fr; padding: 20px; gap: 16px; }
  .teacher-mini img { width: 80px; height: 80px; }
  .tm-more { grid-column: 1 / -1; text-align: right; }
  .tm-name small { display: block; margin-left: 0; }
}