@charset "utf-8";

:root {
  color: #252a2d;
  background: #fff;
  font-family: "Yu Gothic", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: #fff; }
a { color: inherit; }
h1, h2, h3, p { margin-top: 0; }
.plain-preview { padding: 9px max(5vw, 22px); border-bottom: 1px solid #dfe2e3; color: #5b6265; font-size: 12px; }
.plain-preview a { float: right; color: #315a70; }
.plain-header { display: flex; min-height: 82px; align-items: center; gap: 30px; padding: 13px max(5vw, 22px); border-bottom: 1px solid #dfe2e3; }
.plain-brand { display: grid; flex-shrink: 0; gap: 4px; text-decoration: none; }
.plain-brand strong { font-size: 19px; letter-spacing: .04em; }
.plain-brand span { color: #687176; font-size: 12px; }
.plain-header nav { display: flex; justify-content: flex-end; gap: clamp(14px, 2.4vw, 31px); margin-left: auto; }
.plain-header nav a { color: #41494d; font-size: 14px; text-decoration: none; }
.plain-header nav a:hover, .plain-contact-link:hover { text-decoration: underline; }
.plain-contact-link { padding: 11px 15px; border: 1px solid #315a70; color: #315a70; font-size: 13px; font-weight: 700; text-decoration: none; white-space: nowrap; }
.plain-hero { display: grid; min-height: 445px; grid-template-columns: 1.25fr .75fr; align-items: center; gap: 65px; padding: 65px max(10vw, 35px); border-bottom: 1px solid #dfe2e3; background: #f7f8f8; }
.plain-hero-copy { max-width: 700px; }
.plain-kicker { margin-bottom: 13px; color: #315a70; font-size: 13px; font-weight: 700; letter-spacing: .04em; }
.plain-hero h1 { margin-bottom: 20px; font-size: clamp(34px, 4vw, 49px); line-height: 1.55; letter-spacing: 0; }
.plain-hero-copy > p:not(.plain-kicker) { max-width: 620px; margin-bottom: 23px; color: #515b60; font-size: 16px; line-height: 2; }
.plain-button { display: inline-flex; min-height: 49px; align-items: center; padding: 0 20px; background: #315a70; color: #fff; font-size: 14px; font-weight: 700; text-decoration: none; }
.plain-hero-copy > small { display: block; margin-top: 12px; color: #626c71; font-size: 12px; line-height: 1.8; }
.plain-hero-aside { padding: 25px 22px; border: 1px solid #d5dadc; background: white; }
.plain-hero-aside > span { display: block; margin-bottom: 13px; color: #315a70; font-size: 13px; font-weight: 700; }
.plain-hero-aside p { display: flex; gap: 12px; margin: 0; padding: 12px 0; border-top: 1px solid #e5e8e9; font-size: 13px; line-height: 1.7; }
.plain-hero-aside p b { color: #315a70; }
.plain-reassurance { display: flex; justify-content: center; gap: 0; padding: 20px; border-bottom: 1px solid #dfe2e3; }
.plain-reassurance p { margin: 0; padding: 4px 27px; color: #3e4b50; font-size: 14px; font-weight: 700; }
.plain-reassurance p + p { border-left: 1px solid #d5dadc; }
.plain-section { padding: 74px max(9vw, 30px); }
.plain-section-heading { max-width: 750px; margin: 0 auto 30px; text-align: center; }
.plain-section-heading h2, .plain-pricing h2, .plain-area h2, .plain-contact h2 { margin-bottom: 12px; font-size: clamp(27px, 3vw, 36px); line-height: 1.5; }
.plain-section-heading > p:last-child { margin-bottom: 0; color: #626c71; font-size: 15px; line-height: 1.8; }
.plain-services { display: grid; max-width: 1080px; grid-template-columns: repeat(3, 1fr); margin: auto; border-top: 1px solid #cfd5d7; border-bottom: 1px solid #cfd5d7; }
.plain-services a { display: flex; min-height: 220px; flex-direction: column; padding: 22px; text-decoration: none; }
.plain-services a + a { border-left: 1px solid #cfd5d7; }
.plain-services a:hover { background: #f7f8f8; }
.plain-services a > span { margin-bottom: 18px; color: #687176; font-size: 12px; }
.plain-services h3 { margin-bottom: 10px; font-size: 20px; }
.plain-services p { color: #515b60; font-size: 14px; line-height: 1.9; }
.plain-services b { margin-top: auto; color: #315a70; font-size: 13px; }
.plain-note { max-width: 1080px; margin: 17px auto 0; color: #636d71; font-size: 12px; line-height: 1.8; }
.plain-pricing { display: grid; grid-template-columns: 1fr .8fr; align-items: center; gap: 50px; padding: 70px max(10vw, 35px); border-top: 1px solid #dfe2e3; border-bottom: 1px solid #dfe2e3; background: #f7f8f8; }
.plain-pricing > div:first-child > p:not(.plain-kicker) { max-width: 570px; color: #515b60; font-size: 15px; line-height: 2; }
.plain-pricing ul { display: grid; gap: 10px; margin: 20px 0 0; padding-left: 1.35em; color: #41494d; font-size: 14px; line-height: 1.8; }
.plain-price { padding: 25px; border: 1px solid #d5dadc; background: white; }
.plain-price > span { color: #515b60; font-size: 13px; }
.plain-price > p:first-of-type { margin: 10px 0 0; font-size: 14px; }
.plain-price > p:first-of-type strong { font-size: 58px; letter-spacing: -.04em; }
.plain-price > small { display: block; margin-top: 9px; color: #626c71; font-size: 12px; line-height: 1.8; }
.plain-price hr { margin: 20px 0; border: 0; border-top: 1px solid #dfe2e3; }
.plain-price > b { font-size: 13px; }
.plain-price .plain-price-items { margin: 9px 0 0; color: #515b60; font-size: 13px; }
.plain-support { background: #fff; }
.plain-support-list { max-width: 920px; margin: auto; border-top: 1px solid #cfd5d7; }
.plain-support-list article { display: grid; grid-template-columns: .55fr 1.45fr; align-items: baseline; gap: 20px; padding: 17px 7px; border-bottom: 1px solid #dfe2e3; }
.plain-support-list h3 { margin: 0; font-size: 16px; }
.plain-support-list p { margin: 0; color: #515b60; font-size: 14px; line-height: 1.8; }
.plain-flow { padding: 72px max(9vw, 30px); background: #f7f8f8; }
.plain-flow ol { max-width: 850px; margin: auto; padding: 0; border-top: 1px solid #cfd5d7; list-style: none; }
.plain-flow li { display: grid; grid-template-columns: 55px 1fr; gap: 15px; padding: 18px 5px; border-bottom: 1px solid #cfd5d7; }
.plain-flow li > b { color: #315a70; font-size: 18px; }
.plain-flow h3 { margin: 0 0 5px; font-size: 16px; }
.plain-flow li p { margin: 0; color: #515b60; font-size: 13px; line-height: 1.8; }
.plain-area { display: grid; grid-template-columns: 1fr .8fr; align-items: center; gap: 35px; padding: 70px max(10vw, 35px); }
.plain-area > div > p:last-child { max-width: 560px; margin: 0; color: #515b60; font-size: 14px; line-height: 2; }
.plain-area ul { display: grid; grid-template-columns: 1fr 1fr; gap: 0 25px; margin: 0; padding: 0; border-top: 1px solid #cfd5d7; list-style: none; }
.plain-area li { padding: 13px 3px; border-bottom: 1px solid #cfd5d7; color: #41494d; font-size: 14px; }
.plain-comparison { padding: 27px max(10vw, 35px); border-top: 1px solid #dfe2e3; border-bottom: 1px solid #dfe2e3; background: #f7f8f8; }
.plain-comparison h2 { margin-bottom: 8px; font-size: 21px; }
.plain-comparison p { max-width: 920px; margin: 0; color: #515b60; font-size: 13px; line-height: 1.9; }
.plain-updates { display: grid; grid-template-columns: .65fr 1.35fr; align-items: center; gap: 25px; padding: 40px max(10vw, 35px); }
.plain-updates h2 { margin: 0; font-size: 23px; }
.plain-updates > p { margin: 0; color: #515b60; font-size: 14px; line-height: 1.9; }
.plain-contact { padding: 58px 25px; border-top: 1px solid #dfe2e3; background: #315a70; color: white; text-align: center; }
.plain-contact .plain-kicker { color: #d6e4ea; }
.plain-contact h2 { margin-bottom: 11px; }
.plain-contact > p:not(.plain-kicker) { font-size: 15px; }
.plain-contact > span { display: inline-block; margin-top: 9px; padding: 13px 19px; border: 1px solid #ffffff99; font-size: 13px; }
.plain-footer { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; padding: 22px max(7vw, 25px); background: #f7f8f8; }
.plain-footer > div { display: grid; gap: 5px; }
.plain-footer strong { font-size: 14px; }
.plain-footer small, .plain-footer > a { color: #626c71; font-size: 12px; }
.plain-footer > a { align-self: center; }

@media (max-width: 760px) {
  .plain-header { flex-wrap: wrap; gap: 12px; padding: 13px 20px; }
  .plain-header nav { order: 3; width: 100%; justify-content: space-between; gap: 8px; }
  .plain-header nav a { font-size: 12px; }
  .plain-contact-link { margin-left: auto; padding: 9px 11px; font-size: 12px; }
  .plain-hero { grid-template-columns: 1fr; gap: 28px; padding: 48px 24px; }
  .plain-hero-aside { max-width: 560px; }
  .plain-reassurance { align-items: flex-start; flex-direction: column; gap: 10px; padding: 19px 24px; }
  .plain-reassurance p { padding: 0; }
  .plain-reassurance p + p { border: 0; }
  .plain-section { padding: 58px 22px; }
  .plain-services { grid-template-columns: 1fr; }
  .plain-services a { min-height: 0; padding: 20px 5px; }
  .plain-services a + a { border-top: 1px solid #cfd5d7; border-left: 0; }
  .plain-services a > span { margin-bottom: 10px; }
  .plain-services p { margin-bottom: 13px; }
  .plain-pricing, .plain-area { grid-template-columns: 1fr; gap: 25px; padding: 55px 23px; }
  .plain-support-list article { grid-template-columns: 1fr; gap: 6px; }
  .plain-flow { padding: 57px 22px; }
  .plain-updates { grid-template-columns: 1fr; gap: 12px; padding: 34px 23px; }
}

@media (max-width: 420px) {
  .plain-preview { padding-inline: 12px; font-size: 10px; }
  .plain-header { padding-inline: 15px; }
  .plain-header nav a { font-size: 11px; }
  .plain-brand strong { font-size: 17px; }
  .plain-hero { padding-inline: 19px; }
  .plain-hero h1 { font-size: 31px; }
  .plain-hero-copy > p:not(.plain-kicker) { font-size: 15px; }
  .plain-area ul { gap: 0 12px; }
  .plain-footer { flex-direction: column; }
}