@charset "utf-8";

/* ネットスクール アフィリエイトプログラム 特設ページ
   ------------------------------------------------------------------ */

:root {
  --green: #2E6B41;
  --green-dark: #1F4A2C;
  --green-deep: #245534;
  --green-pale: #E7F1E6;
  --green-mid: #7FA98A;
  --green-soft: #8FB795;
  --bg: #F4F7F2;
  --line: #E3EADF;
  --ink: #243028;
  --ink-2: #42504A;
  --ink-3: #6B7770;
  --ink-4: #7F8B82;
  --gold: #C9A227;
  --alert-bg: #FDF3EC;
  --alert-ink: #9C4F2C;
  --alert-body: #6B5347;
  --font-body: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  --font-display: "Zen Maru Gothic", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.9;
}

img { display: block; max-width: 100%; }

a { color: var(--green); text-decoration: none; }
a:hover { color: #418A55; text-decoration: underline; }

h1, h2, h3, p, ul, dl { margin: 0; }
ul { padding-left: 1.1em; }

.inner { max-width: 1000px; margin: 0 auto; }
.section { padding: 60px 28px; }
.section--white { background: #FFFFFF; }
.section--tight { padding: 52px 28px; }

.h2 {
  font-family: var(--font-display);
  font-size: 27px;
  font-weight: 700;
  color: var(--green-dark);
  line-height: 1.5;
}
.lead { margin-top: 10px; font-size: 16px; color: var(--ink-2); text-wrap: pretty; }
.note { font-size: 13px; color: var(--ink-4); line-height: 1.85; }

/* header ------------------------------------------------------------ */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 28px;
  background: #FFFFFF;
}
.header__brand { display: flex; align-items: center; gap: 12px; }
.header__logo { width: 156px; height: auto; }
.header__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  color: var(--green);
}
.header__aud { font-size: 12px; color: var(--ink-4); }

/* hero -------------------------------------------------------------- */
.hero { padding: 56px 28px 60px; background: #FFFFFF; }
.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: 48px;
  align-items: center;
}
.badge {
  display: inline-block;
  padding: 7px 16px;
  background: var(--green-pale);
  color: var(--green);
  font-size: 13px;
  font-weight: 700;
  border-radius: 999px;
}
.hero__h1 {
  margin: 22px 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 40px;
  line-height: 1.45;
  color: var(--green-dark);
  text-wrap: pretty;
}
.hero__body { font-size: 16px; color: var(--ink-2); line-height: 2; text-wrap: pretty; }
.hero__cta { display: flex; flex-wrap: wrap; align-items: center; gap: 18px; margin-top: 30px; }
.hero__ctanote { font-size: 13px; color: var(--ink-4); line-height: 1.7; }
.hero__img { width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: cover; border-radius: 24px; }

.btn {
  display: inline-block;
  padding: 19px 40px;
  background: var(--green);
  color: #FFFFFF;
  font-size: 17px;
  font-weight: 700;
  border-radius: 999px;
  transition: background .15s ease;
}
.btn:hover { background: var(--green-deep); color: #FFFFFF; text-decoration: none; }
.btn--invert { background: #FFFFFF; color: var(--green); padding: 20px 48px; }
.btn--invert:hover { background: #EAF2E9; color: var(--green); }

/* benefit cards ----------------------------------------------------- */
.benefits { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.benefit { background: #FFFFFF; border-radius: 18px; padding: 26px 26px 28px; }
.benefit__mark { display: block; width: 26px; height: 26px; margin-bottom: 16px; background: var(--green); border-radius: 999px; }
.benefit__mark--sq { background: var(--green-mid); border-radius: 6px; }
.benefit__mark--gold { background: var(--gold); }
.benefit__title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--green-dark);
  margin-bottom: 6px;
}
.benefit__body { font-size: 14px; color: var(--ink-3); line-height: 1.85; }

/* reward ------------------------------------------------------------ */
.reward { background: var(--bg); border-radius: 22px; padding: 38px 40px; margin-top: 30px; }
.reward__calc {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 22px;
  font-family: var(--font-display);
  color: var(--green-dark);
}
.reward__label { font-family: var(--font-body); font-size: 13px; font-weight: 500; color: var(--ink-4); margin-bottom: 6px; }
.reward__num { font-size: 28px; font-weight: 700; }
.reward__num small { font-size: 16px; }
.reward__op { font-size: 22px; color: #A9B8AE; }
.reward__out { background: #FFFFFF; border-radius: 16px; padding: 16px 26px; }
.reward__out .reward__label { margin-bottom: 4px; }
.reward__big { font-size: 40px; font-weight: 700; color: var(--green); line-height: 1.1; }
.reward__big small { font-size: 18px; }
.reward__big .tax { font-family: var(--font-body); font-size: 13px; font-weight: 500; color: var(--ink-4); }
.reward__note { margin-top: 24px; }

/* steps (4 up) ------------------------------------------------------ */
.flow { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; margin-top: 32px; }
.flow__card { background: #FFFFFF; border-radius: 18px; padding: 26px 22px; }
.flow__card--accent { background: var(--green); }
.flow__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  margin-bottom: 14px;
  border-radius: 999px;
  background: var(--green-pale);
  color: var(--green);
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
}
.flow__card--accent .flow__num { background: rgba(255, 255, 255, .18); color: #FFFFFF; }
.flow__title { font-family: var(--font-display); font-size: 17px; font-weight: 700; color: var(--green-dark); margin-bottom: 6px; }
.flow__card--accent .flow__title { color: #FFFFFF; }
.flow__body { font-size: 13px; color: var(--ink-3); line-height: 1.8; }
.flow__card--accent .flow__body { color: #C9DDCC; }

/* media examples ---------------------------------------------------- */
.examples { margin-top: 34px; }
.examples__label { font-size: 14px; font-weight: 700; color: var(--green-dark); margin-bottom: 14px; }
.examples__grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.example__img { width: 100%; height: auto; aspect-ratio: 1 / 1; object-fit: cover; border-radius: 16px; }
.example__cap { margin-top: 10px; font-size: 13px; color: var(--ink-3); }

/* spec table -------------------------------------------------------- */
.spec { background: var(--bg); border-radius: 22px; padding: 8px 34px; margin-top: 28px; }
.spec__row {
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr);
  gap: 20px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}
.spec__row:last-child { border-bottom: 0; }
.spec__key { font-weight: 700; font-size: 15px; color: var(--green-dark); }
.spec__val { font-size: 15px; color: var(--ink-2); }
.spec__val ul { display: grid; gap: 6px; margin: 0; }

.alert { margin-top: 20px; background: var(--alert-bg); border-radius: 18px; padding: 26px 30px; }
.alert__title { font-family: var(--font-display); font-weight: 700; font-size: 16px; color: var(--alert-ink); margin-bottom: 10px; }
.alert__body { font-size: 14px; color: var(--alert-body); line-height: 1.9; margin-bottom: 10px; }
.alert a { color: var(--alert-ink); text-decoration: underline; font-size: 14px; }

/* rules ------------------------------------------------------------- */
.rules { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin-top: 28px; }
.rule { background: #FFFFFF; border-radius: 18px; padding: 24px 28px; }
.rule__title { font-weight: 700; font-size: 15px; color: var(--green-dark); margin-bottom: 6px; }
.rule__body { font-size: 14px; color: var(--ink-3); line-height: 1.85; }

/* join steps -------------------------------------------------------- */
.steps { display: grid; gap: 12px; margin-top: 30px; }
.step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 20px;
  align-items: start;
  background: var(--bg);
  border-radius: 18px;
  padding: 24px 28px;
}
.section--white .step { background: var(--bg); }
.step__num { font-family: var(--font-display); font-size: 22px; font-weight: 700; color: var(--green-mid); }
.step__title { font-weight: 700; font-size: 16px; color: var(--green-dark); margin-bottom: 4px; }
.step__body { font-size: 14px; color: var(--ink-3); line-height: 1.85; }
.steps__after { margin-top: 18px; font-size: 14px; color: var(--ink-3); line-height: 1.85; }

/* cta band ---------------------------------------------------------- */
.cta { padding: 66px 28px; background: var(--green); text-align: center; }
.cta__inner { max-width: 820px; margin: 0 auto; }
.cta__h2 {
  font-family: var(--font-display);
  font-size: 30px;
  font-weight: 700;
  color: #FFFFFF;
  line-height: 1.5;
  text-wrap: pretty;
  margin-bottom: 16px;
}
.cta__body { font-size: 16px; color: #C9DDCC; line-height: 1.9; margin-bottom: 34px; }
.cta__note { margin-top: 18px; font-size: 13px; color: #A9C4AD; }

/* faq --------------------------------------------------------------- */
.faq { display: grid; gap: 10px; margin-top: 26px; }
.faq__item { background: #FFFFFF; border-radius: 16px; padding: 20px 26px; }
.faq__q {
  display: flex;
  gap: 12px;
  font-weight: 700;
  font-size: 16px;
  color: var(--green-dark);
  cursor: pointer;
  list-style: none;
}
.faq__q::-webkit-details-marker { display: none; }
.faq__q span { color: var(--green-soft); }
.faq__a { margin-top: 14px; padding-left: 28px; font-size: 15px; color: #5D6A63; line-height: 1.9; }

/* footer ------------------------------------------------------------ */
.footer { padding: 48px 28px 64px; background: #FFFFFF; }
.footer__inner { max-width: 1000px; margin: 0 auto; display: grid; gap: 24px; }
.contact { background: var(--bg); border-radius: 18px; padding: 24px 28px; }
.contact__title { font-weight: 700; font-size: 15px; color: var(--green-dark); margin-bottom: 8px; }
.contact__body { font-size: 14px; color: var(--ink-3); line-height: 1.9; }
.copyright { font-size: 12px; color: #9AA69F; }

/* tablet ------------------------------------------------------------ */
@media (max-width: 900px) {
  .hero__grid { grid-template-columns: minmax(0, 1fr); gap: 32px; }
  .flow { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .rules { grid-template-columns: minmax(0, 1fr); }
}

/* mobile ------------------------------------------------------------ */
@media (max-width: 640px) {
  body { font-size: 15px; }
  .header { padding: 12px 20px; flex-wrap: wrap; gap: 8px; }
  .header__logo { width: 128px; }
  .header__title { font-size: 15px; }
  .header__aud { font-size: 11px; }
  .hero { padding: 36px 20px 44px; }
  .hero__h1 { font-size: 27px; margin: 18px 0; }
  .hero__h1 br { display: none; }
  .hero__cta { gap: 14px; }
  .btn { display: block; width: 100%; text-align: center; padding: 17px 20px; font-size: 16px; }
  .section, .section--tight { padding: 40px 20px; }
  .h2 { font-size: 22px; }
  .benefits { grid-template-columns: minmax(0, 1fr); }
  .reward { padding: 24px 22px; }
  .reward__calc { gap: 14px; }
  .reward__op { display: none; }
  .reward__num { font-size: 24px; }
  .reward__out { width: 100%; padding: 14px 20px; }
  .reward__big { font-size: 32px; }
  .flow { grid-template-columns: minmax(0, 1fr); gap: 10px; }
  .flow__card { padding: 20px 22px; }
  .examples__grid { grid-template-columns: minmax(0, 1fr); }
  .example__img { aspect-ratio: 1 / 1; }
  .spec { padding: 4px 22px; }
  .spec__row { grid-template-columns: minmax(0, 1fr); gap: 6px; padding: 18px 0; }
  .alert { padding: 22px 22px; }
  .rule, .step { padding: 20px 22px; }
  .step { grid-template-columns: minmax(0, 1fr); gap: 8px; }
  .cta { padding: 44px 20px; }
  .cta__h2 { font-size: 22px; }
  .cta__h2 br { display: none; }
  .faq__item { padding: 18px 20px; }
  .faq__a { padding-left: 0; }
  .footer { padding: 36px 20px 48px; }
  .contact { padding: 20px 22px; }
}